CN117286859B - Wing bag sand barrier laying device - Google Patents
Wing bag sand barrier laying deviceInfo
- Publication number
- CN117286859B CN117286859B CN202311396518.7A CN202311396518A CN117286859B CN 117286859 B CN117286859 B CN 117286859B CN 202311396518 A CN202311396518 A CN 202311396518A CN 117286859 B CN117286859 B CN 117286859B
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- CN
- China
- Prior art keywords
- sand
- frame
- swing
- binding
- barrier
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/04—Applying separate sealing or securing members, e.g. clips
- B65B51/07—Sewing or stitching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Textile Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Basic Packing Technique (AREA)
- Road Paving Machines (AREA)
Abstract
The invention provides a wing bag sand barrier laying device which comprises a main frame, a subsidiary frame, a sand lifting conveying device, a guiding device, a binding device and a sand filling device, wherein traveling devices are arranged on two sides of the main frame, a sand opening and gathering device is arranged in front of the main frame, the main frame is further arranged between the traveling devices, the front end of the main frame is hinged with the front side of the main frame, the rear end of the main frame is controlled to swing up and down through a first lifting device, the subsidiary frame is fixed on the subsidiary frame, the sand lifting conveying device, the guiding device, the binding device and the sand filling device are arranged behind the sand opening and gathering device, a containing shaft is arranged on the main frame or the subsidiary frame, the rolled wing bag sand barrier is placed on the containing shaft, the belt-shaped wing bag sand barrier is guided into a cylinder through a guiding mechanism and then is sent to a guiding device, the binding device and the sand filling device to be finally output from the rear of the main frame, and a power source is further arranged on the main frame. The invention has the advantages of unmanned and automatic wing bag sand barriers in desert areas.
Description
Technical Field
The invention relates to the field of wing bag sand barrier paving devices, in particular to a wing bag sand barrier paving device.
Background
The sand barrier is also called mechanical sand barrier and wind barrier, is a barrier made of firewood, straw, clay, branches, battens, pebbles and other materials on the sand surface, and is an effective engineering sand-fixing measure for reducing wind speed and fixing the sand surface. The main function is to fix a moving dune and a semi-moving dune.
The flat sand barrier is a sand barrier for fixing sand, and is paved or sprayed on a sand surface by using substances such as firewood, grass, pebbles, clay or asphalt emulsion, polyacrylamide and the like, so that the contact of wind and loose sand layers is isolated, the wind erosion effect is avoided when wind and sand flow pass through the sand surface, the sand content in the wind and sand flow is not increased, and the effect of fixing quicksand in situ while the wind passes through the sand.
The vertical sand barrier is mainly a sand-accumulating type sand barrier, and the sand prevention principle is mainly that on a route through which wind and sand flow passes, no matter the wind speed is influenced and reduced when the vertical sand barrier encounters any obstacle, part of the sand is deposited around the obstacle, so that the sand conveying amount of the wind and sand flow is reduced, and the effect of preventing and treating wind and sand damage is achieved. In addition, the vertical sand barriers are arranged in a plurality of rows, and can also play a role in reducing the wind speed between barriers, so that the effects of preventing the sand from forming again, causing wind erosion between barriers and the like are reduced or avoided.
At present, the wing bag sand barrier is laid with the problems of low automation degree, lack of mechanical and intelligent equipment, high labor cost and the like, so the wing bag sand barrier laying device suitable for unmanned and automatic desert sand barrier laying is designed and developed.
Disclosure of Invention
Based on the problems, the invention aims to provide a wing bag sand barrier laying device which can be used for unmanned and automatic wing bag sand barrier laying in desert areas.
The wing bag sand barrier laying device comprises a main frame, wherein travelling devices are arranged on two sides of the main frame, a sand opening and gathering device is arranged in front of the main frame, the main frame is further provided with auxiliary frames, the front ends of the auxiliary frames are hinged with the front sides of the main frame, the rear ends of the auxiliary frames are controlled to swing up and down through a first lifting device, the auxiliary frames are fixed on the auxiliary frames, a sand lifting conveying device, a guiding device, a binding device and a sand filling device are arranged behind the sand opening and gathering device, a containing shaft is arranged on the main frame or the auxiliary frames, the coiled wing bag sand barrier is placed on the containing shaft, the coiled wing bag sand barrier is guided into a cylinder through a guiding mechanism and then is sent to a guiding device, the binding device and the sand filling device, and finally output from the rear of the main frame, and the main frame is further provided with a power source.
In the structure, the first lifting device is a winch, the auxiliary frame is controlled to swing through a guy rope so as to lift or lower the sand lifting conveying device, the guiding-out device, the binding device and the sand filling device, the power source is an internal combustion engine, the hydraulic station is matched to provide power for the whole machine, the running device is driven by the power source to drive the wing bag sand barrier paving device to advance, the sand opening and gathering device can remove barriers or loose sand, then the loose sand is lifted to the sand filling device through the sand lifting conveying device and filled into the wing bag sand barrier, the wing bag sand barrier is guided out through the guiding-out device, the binding device binds the wing bag sand barrier, and accordingly the wing bag sand barrier paving is achieved, and the sand barrier paving device has the advantages of being high in automation degree and high in paving efficiency (the guiding mechanism is the same as the existing packaging bag forming principle, and is not described in detail herein).
The sand opening and gathering device comprises a roller frame, wherein the rear end of the roller frame is hinged with a main frame, a sand opening roller driven to rotate by a first driver is arranged at the front end of the roller frame, the front end of the roller frame is controlled to swing up and down by a second lifting device, a first sand gathering blade and a second sand gathering blade which are spirally arranged along the axial direction of the sand opening roller are arranged around the outer wall of the sand opening roller, the first sand gathering blade and the second sand gathering blade are mutually arranged at intervals in the axial direction of the sand opening roller, a sand gathering section is formed at the outer wall of the sand opening roller between the first sand gathering blade and the second sand gathering blade, the spiral directions of the first sand gathering blade and the second sand gathering blade are opposite to each other, and sand opening teeth which are arranged at intervals along the spiral directions are arranged on the outer edges of one sides of the first sand gathering blade and the second sand gathering blade far away from the central axis of the sand opening roller.
In the structure, the sand opening roller is driven to rotate through the first driver, the first sand gathering blades are utilized to contact the sand surface of the sand gathering blade, the sand floor knots or uneven areas of the sand are loosened and leveled, the upper layer of loosened sand is driven to the sand opening roller to be gathered in the axial direction, so that a sand accumulation area is formed, the hardened and caked sand can be effectively loosened through the sand opening teeth, meanwhile, obstacles can be cleaned and broken, sand taking and filling operation by the sand lifting conveying device is facilitated, the second lifting device is a winch, the sand opening depth of the sand opening roller is controlled through driving inhaul cables, the sand opening roller can be automatically swung up and retracted to be protected when the sand opening roller encounters obstruction, and the first driver is preferably a hydraulic motor.
The invention further provides that hard alloy is welded on the tooth walls at two sides of the sand opening tooth facing or/and facing away from the rotation direction of the sand opening roller.
In the structure, the abrasive resistance of the contact part between the sand-cutting tooth and sand is ensured while the abrasive resistance of the sand-cutting tooth is kept flexible.
The sand lifting and conveying device comprises a lifting Sha Jiaolong, wherein the lower end of the lifting and conveying device faces to the rear of a main frame, the upper end of the lifting and conveying device faces to the front of the main frame, the lifting Sha Jiaolong is driven by a second driver, the branching line between the lifting and conveying device and the main frame or the auxiliary frame is arranged in an offset mode, the lower end and the upper end of the lifting and conveying device are respectively provided with a sand taking opening and a sand discharging opening, the lower end of the lifting and conveying device is provided with a sand collecting plate, the sand collecting plates are arranged at an included angle with each other and are in a V shape in the projection mode in the axial direction of the lifting Sha Jiaolong, the sand taking openings are positioned at bottoms of V-shaped grooves of the two sand collecting plates, the V-shaped grooves of the sand taking openings and the two sand collecting plates face to the front of the main frame, one side of the sand collecting plate faces to the sand discharging opening is provided with a sand pressing plate fixed on the auxiliary frame, and the height of the sand pressing plate, which is close to the V-shaped grooves of the two sand collecting plates, is higher than the height of the sand pressing plate, which is close to the V-shaped grooves of the two sand collecting plates.
In the structure, when the wing bag sand barrier laying device advances, the two sand collecting plates are used for guiding and gathering the loosened sand towards the bottom directions of the V-shaped grooves of the two sand collecting plates, so that the sand lifting auger is guaranteed to lift the sand, the sand lifting fullness is improved, meanwhile, the sand pressing plate can also effectively inhibit dust at the position of the sand taking opening, dust pollution is reduced, the energy-saving, environment-friendly and efficient desert sand taking work is realized, the inclined sand pressing plate is used for pressing the height of the sand when the wing bag sand barrier laying device advances, the sand lifting fullness of the sand lifting auger is further improved, and the second driver is preferably a hydraulic motor.
The guide-out device comprises a guide-out fixing frame fixedly connected with the auxiliary frame, wherein the guide-out fixing frame is hinged with a guide-out swinging frame, the guide-out swinging frame is further arranged on an adjusting frame and driven by a third driver to realize rotating squeeze rollers, the guide-out swinging frame, the adjusting frame, the third driver and the squeeze rollers are symmetrically arranged, the two guide-out swinging frames are connected through a synchronous shaft so that the guide-out swinging frames can swing synchronously at equal angles relative to the guide-out fixing frame during adjustment, the hinge axis of the guide-out swinging frame, which is hinged with the guide-out fixing frame, is perpendicular to the axis of the squeeze rollers by 90 degrees, the axes of the two squeeze rollers are parallel to each other, and the adjusting frame is arranged in a sliding mode relative to the guide-out swinging frame so as to control the interval distance between the two squeeze rollers.
In the structure, after the guide mechanism guides the banded luffing sand-protecting barrier into a cylinder, the two squeeze rollers roll oppositely to control the luffing sand-protecting barrier guided into the cylinder, the rolling extrusion can ensure that the heights of the two side edges of the luffing sand-protecting barrier are difficult to generate dislocation change when the luffing sand-protecting barrier is conveyed to the downstream binding device, the traction speed of the luffing sand-protecting barrier is controlled, the downstream binding device is assisted to provide positioning and shaping for the luffing sand-protecting barrier, the guiding-out swinging frame is adjusted to realize swinging adjustment and positioning through the adaptation of the fan-shaped groove and the swinging frame screw when the guiding-out swinging frame is adjusted so as to control the pitching angle of the squeeze rollers when the luffing sand-protecting barrier is output, and the axis of the squeezing rollers is in a vertical state with the output direction of the luffing sand-protecting barrier generally, for example, the guiding-out swinging frame is required to be adjusted so that the squeezing rollers are lifted (namely, the output angle is higher than the original output direction of the luffing sand-protecting barrier when the squeezing rollers roll rolls roll into the luffing sand-protecting barrier, the luffing sand-protecting barrier forms upward traction force, so as to offset the upward traction reliability of the luffing sand-protecting barrier is ensured.
The invention is further characterized in that the outer wall of the extrusion roller is provided with a rubber coating layer, and the two extrusion rollers are extruded and oppositely ground.
In the structure, the rubber coating layer can improve friction force, reduce or avoid slipping phenomenon of the squeeze roller when the wing bag sand barrier is pulled, and meanwhile, the rubber coating layer can play a role in certain abrasion compensation and self-adaptive lamination by utilizing own elasticity.
The invention further provides that the adjusting frame comprises a driver supporting plate and a squeeze roller supporting plate, wherein the driver supporting plate and the squeeze roller supporting plate are fixedly connected through a connecting rod, the third driver is fixedly arranged on the driver supporting plate, and the squeeze roller supporting plate is provided with two supporting rollers which are arranged at intervals and are tangentially supported with the squeeze roller.
In the structure, the two supporting rollers are tangentially supported with the squeeze roller, so that the rigidity of the squeeze roller is improved.
The invention is further arranged that one end of the squeeze roller is in power connection with the third driver, and the supporting roller and one end of the squeeze roller far away from the third driver are supported.
In the structure, one end of the squeeze roller far away from the third driver is a cantilever end, so that the rigidity is poor, and the integral rigidity is improved through supporting the roller support.
The invention is further characterized in that the outer wall of the squeeze roller is provided with an adapting groove, and the supporting roller is adapted to the adapting groove.
In the structure, the adaptation groove is adapted to the supporting roller, so that a good guiding effect can be achieved, and the relative axial position between the extrusion roller and the supporting roller is guaranteed, if the supporting roller is directly contacted with the outer wall of the extrusion roller, the rubber coating layer at the position can be locally worn due to the fact that contact stress is too concentrated.
The guide-out swing frame is further provided with a sliding groove, the driver supporting plate and the extrusion roller supporting plate are in sliding fit relative to the sliding groove, and a pressing device is further arranged between the guide-out swing frame and the adjusting frame.
In the structure, the pressing device is used for adjusting the interval distance between the two groups of pressing rollers and providing a certain opposite rolling extrusion force for the pressing rollers.
The invention further provides that the compactor comprises a sliding rod which is fixed on the adjusting frame and can slide relative to the guiding-out swing frame, wherein the sliding rod is provided with a high-strength rubber sleeve, the guiding-out swing frame is provided with a push plate which abuts against the end face of the high-strength rubber sleeve, and the guiding-out swing frame is provided with an adjusting screw used for adjusting the position of the push plate.
In the structure, the excellent force rubber sleeve is sleeved on the slide bar, one end of the excellent force rubber sleeve is propped against the adjusting frame, the other end of the excellent force rubber sleeve is propped against the push plate, the adjusting screw is in threaded fit with the guiding-out swing frame, so that the end part of the adjusting screw is propped against the push plate and acts on the excellent force rubber sleeve with thrust, and the excellent force rubber sleeve is further compressed to provide elastic energy storage when the two extrusion rollers are in contact extrusion, so that the extrusion force of the two extrusion rollers is always kept.
The invention further provides that the third driver is a stepping motor or a servo motor.
In the structure, the third driver can be driven by a hydraulic motor or is in power connection with a power source of the luffing bag sand barrier laying device.
The invention further provides that the binding device comprises a binding fixing frame fixedly connected with the auxiliary frame, the binding fixing frame is provided with a binding swing frame, one end of the binding swing frame is hinged with the binding fixing frame, the other end of the binding swing frame is in sagging swing arrangement, the swing direction of the hanging end of the binding swing frame is in the same direction as the output direction of the wing bag sand barrier, a swing limiting mechanism and a reset device are arranged between the binding fixing frame and the binding swing frame, the swing end of the binding swing frame is provided with a binding opening, and a binding device driven by a fourth driver is arranged in the binding opening.
In the structure, the bookbinding device is controlled by the fourth driver to bind the two side edges of the wing bag sand barrier, and the bookbinding swing frame can swing relative to the bookbinding fixing frame, so that when bookbinding is carried out, the bookbinding device can move along the output direction of the wing bag sand barrier when the bookbinding needle of the bookbinding device pierces the wing bag sand barrier, the aim of synchronous follow is fulfilled, meanwhile, the bookbinding device is adopted to bind, the working reliability can be effectively guaranteed in a sand-blown environment, the defects that the conventional sewing equipment is too many in precision parts and too high in lubrication requirement, and the normal working of the existing sewing equipment is influenced due to the fact that sand enters the inside and sand is attached are avoided, and the fourth driver is preferably an air cylinder.
The swing limiting mechanism comprises a swing groove and a swing pin, wherein the swing groove is arranged along the swing direction, the swing pin is matched with the swing groove and limits the reciprocating swing limit position of the swing limiting mechanism, the swing groove is formed in the binding swing frame, the swing pin is positioned on the binding fixing frame, the reset device controls the binding swing frame to swing towards one side opposite to the output direction of the wing bag sand barrier, and the binding device is a stapler.
In the structure, the swinging groove is matched with the swinging pin, so that the swinging angle of the binding swinging frame can be limited, and when the binding is completed, the binding swinging frame which swings under the traction of the wing bag sand barrier is reset through the reset device, so that the reset is performed for the next binding.
The invention is further provided that the resetting device is a tension spring, and two ends of the resetting device are respectively connected with tension spring lugs of the binding fixing frame and the binding swing frame.
In the structure, two ends of the tension spring are respectively hooked on the tension spring ear of the binding fixing frame and the tension spring ear of the binding swing frame.
The invention further provides that the binding fixing frame comprises a fixing plate and a supporting beam which is arranged on the fixing plate and extends towards the output direction of the wing bag sand barrier, and the binding swing frame is hinged to the extending end of the supporting beam.
In the structure, the binding swing frame is separated from the guiding-out device, so that the binding swing frame and the guiding-out device are prevented from being interfered.
The sand filling device comprises a sand filling auger fixedly connected with an auxiliary frame and driven by a fifth movable driver, a sand inlet is formed in the front end of the sand filling auger, a sand filling opening is formed in the rear end of the sand filling auger, the sand filling opening is located below a sand discharging opening, a sand barrier conveying mechanism is located on one side of the sand filling opening in the output direction and comprises a conveying frame and driving wheels which are arranged on the conveying frame and driven by a sixth movable driver, the number of the driving wheels is two, the driving wheels are arranged at intervals in the output direction of the sand filling opening, conveying belts driven by the driving wheels are arranged on the two driving wheels, the upper direction of the conveying belts is in the same direction with the output direction of the sand filling opening, and the upper direction of the conveying belts is located below the cross section of the sand filling auger.
In the structure, when the sand filling auger fills sand into the wing bag sand barrier, the wing bag sand barrier which is filled with sand can firstly fall on the sand barrier conveying mechanism and then is conveyed to the ground through the sand barrier conveying mechanism, the situation that the wing bag sand barrier which is not filled with sand is pulled to slide out due to self weight falling after sand filling is reduced, so that the situation that sand filling is not real is caused, meanwhile, the conveying belt can control the conveying speed through the sixth moving driver, so that a certain resistance is provided for the output of the wing bag sand barrier, the wing bag sand barrier can be filled with sand filled in a sand filling port as much as possible, and the sand filling quality is ensured.
The invention is further characterized in that conveying toothed plates are arranged on the outer side belt wall of the conveying belt, the conveying toothed plates are arranged at intervals towards the output direction of the sand filling port, the conveying belt is formed by butt joint of a plurality of chain plates, one or more conveying toothed plates are arranged on each chain plate, and the middle section of one surface of the conveying toothed plate, which is opposite to the chain plate, is concave downwards to form a bearing recess.
In the structure, the friction force between the conveying toothed plate and the wing bag sand barrier can be increased, the slippage between the conveying toothed plate and the wing bag sand barrier can be reduced, the chain plate is matched with the conveying toothed plate, the rigidity of the chain plate can be further improved to bear the wing bag sand barrier after sand filling is completed, the bearing recess can be more matched with the bottom of the wing bag sand barrier after sand filling is completed, and the problem of deformation caused by stress concentration of the bottom of the wing bag sand barrier under the dead weight is reduced.
The invention is further arranged that the conveying frame is also provided with a supporting plate which is positioned between the two driving wheels and is used for supporting and propping against the lower surface of the upper belt surface of the conveying belt.
In the structure, the supporting plate can improve the supporting rigidity of the conveying belt between the two driving wheels.
The sand filling device is further characterized in that a molding cylinder which is concentric with the sand filling port is arranged on the outer wall of the sand filling port.
In the structure, the molding cylinder is used for guiding the wing bag sand barrier to form a cylinder.
The invention further provides that the fifth movable driver is positioned at one end of the sand filling auger, which is provided with a sand inlet.
In the structure, the fifth moving driver is a hydraulic motor, and the sixth moving driver is a stepping motor or a servo motor.
The sand lifting device has the advantages that the first lifting device is a winch, the auxiliary frame is controlled to swing through the stay rope, the sand lifting conveying device, the guiding device, the binding device and the sand filling device are lifted or lowered, the internal combustion engine is used as a power source, the hydraulic station is matched for providing power for the whole machine, the travelling device is driven by the power source to drive the wing bag sand barrier paving device to advance, the sand lifting device can remove barriers or loose sand, then the loose sand is lifted to the sand filling device through the sand lifting conveying device and filled into the wing bag sand barrier, the wing bag sand barrier is guided out through the guiding device, the binding device binds the wing bag sand barrier, so that the wing bag sand barrier paving is realized, and the sand lifting device has the advantages of being high in automation degree and high in paving efficiency (the guiding mechanism is the same as an existing packaging bag forming principle, and is not described in detail).
Drawings
Fig. 1 is a schematic diagram of a right-side orthographic projection structure of the present invention.
Fig. 2 is a schematic perspective view of a first view of the present invention.
Fig. 3 is a schematic view of a second perspective structure of the present invention.
Fig. 4 is a schematic perspective view of a third perspective view of the present invention.
Fig. 5 is a schematic view of a first perspective view of a sub-frame according to the present invention.
Fig. 6 is a schematic view of a second perspective view of a sub-frame according to the present invention.
Fig. 7 is a schematic perspective view of a first view angle of the sand opening Sha Zhuangzhi according to the present invention.
Fig. 8 is a schematic view of a second perspective view of the sand opening Sha Zhuangzhi of the present invention.
Fig. 9 is an enlarged schematic view of the portion a of fig. 7 according to the present invention.
Fig. 10 is a right-side front projection structure schematic diagram of the sand lifting conveying device of the invention.
Fig. 11 is a schematic view showing a bottom view of the sand lifting and conveying device of the present invention.
Fig. 12 is a schematic view of a first perspective structure of the sand lifting and conveying device of the present invention.
Fig. 13 is a schematic view of a second perspective view of the sand lifting and conveying device of the present invention.
Fig. 14 is a schematic view of a first perspective view of the deriving device according to the present invention.
Fig. 15 is a schematic view of a second perspective view of the deriving device according to the present invention.
Fig. 16 is a schematic perspective view showing a swing state of a guide-out swing frame of the guide-out device of the present invention.
Fig. 17 is a schematic view of a first perspective exploded perspective view of the deriving device of the present invention.
Fig. 18 is a schematic view of a second perspective exploded perspective view of the deriving device of the present invention.
Fig. 19 is a schematic perspective view showing a reset state of a binding swing frame of the binding apparatus of the present invention.
Fig. 20 is a side view showing a reset state of a binding carriage of the binding apparatus of the present invention.
Fig. 21 is a schematic perspective view showing a swing state of a stapling swing frame of the stapling apparatus of the present invention.
Fig. 22 is a side view showing a swing state of a stapling swing frame of the stapling apparatus of the present invention.
Fig. 23 is a schematic perspective view of a bookbinding apparatus according to the present invention.
Fig. 24 is a schematic view of a first perspective structure of the sand filling device of the present invention.
Fig. 25 is a schematic view of a second perspective view of the sand filling device of the present invention.
Fig. 26 is an enlarged view of the B part of fig. 24 according to the present invention.
FIG. 27 is a schematic view of a wing bag sand barrier layout structure of the present invention.
FIG. 28 is a schematic cross-sectional view of a sand barrier with a wing pocket according to the present invention.
The reference sign in the figure means 1-main frame; 10-a walking device; 11-first lifting device, 12-auxiliary frame, 13-Cheng Fangzhou, 14-wing bag sand barrier, 2-sand opening and closing device, 20-roller frame, 21-first driver, 22-sand opening roller, 221-first sand closing blade, 222-second driver support plate, 4221-support roller, 423-connecting rod, 43-third driver, 44-squeeze roller, 2241-hard alloy, 23-second lifting device, 3-sand lifting and conveying device, 30-lifting Sha Jiaolong, 301-sand taking opening, 302-sand discharging opening, 31-second driver, 32-sand collecting plate, 14-sand pressing plate, 4-guiding device, 40-guiding fixing frame, 401-swing frame screw, 41-guiding swing frame, 411-synchronous shaft, 412-fan groove, 413-sliding groove, 42-adjusting frame, 421-driver support plate, 422-squeeze roller support plate, 4221-support roller, 423-connecting rod, 43-third driver, 44-squeeze roller, 441-glue wrapping layer, 442-fitting groove, 45-hold-down device, 30-lifting and Sha Jiaolong, 301-sand taking opening, 302-sand discharging opening, 31-second driver, 32-sand collecting plate, 51-sand pressing plate, 4-guiding device, 41-sand pressing plate, 4-guiding device, 40-guiding fixing frame, 401-swing frame screw, 41-guiding swing frame, 411-synchronous shaft, 412-fan groove, 413-sliding groove, 42-adjusting frame, 421-adjusting frame, 422-driving frame, 422-squeeze roller, supporting frame, 45-squeeze roller, 45-and binding device The sand filling machine comprises a dragon, a 601-sand inlet, a 602-sand filling inlet, a 603-molding cylinder, a 61-fifth moving driver, a 70-sand barrier conveying mechanism, a 71-conveying frame, a 711-supporting plate, a 72-sixth moving driver, 73-driving wheels, 74-conveying belts, 741-conveying toothed plates, 741-bearing recesses and 742-chain plates.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1 to 28, a wing bag sand barrier laying device as shown in fig. 1 to 28 comprises a main frame 1, travelling devices 10 are arranged on two sides of the main frame 1, a sand opening and gathering device 2 is arranged in front of the main frame 1, the main frame 1 is further provided with auxiliary frames 12, the front end of the auxiliary frames is hinged with the front side of the main frame 1, the rear end of the auxiliary frames is controlled to swing up and down through a first lifting device 11, the auxiliary frames 12 are fixed on the auxiliary frames 12, a sand lifting conveying device 3, a guiding device 4, a binding device 5 and a sand filling device 6 are arranged behind the sand opening and gathering device 2, a containing shaft 13 is arranged on the main frame 1 or the auxiliary frames 12, the rolled wing bag sand barrier 14 is guided to form a barrel through a guiding mechanism and then is sent to the guiding device 4, the binding device 5 and the sand filling device 6, and finally a power source (not shown in the drawings) is further arranged on the main frame 1.
In the above structure, the first lifting device 11 is a winch, the auxiliary frame 12 is controlled to swing through a guy rope to lift or lower the sand lifting conveying device 3, the guiding device 4, the binding device 5 and the sand filling device 6, a power source (not shown in the figure) is an internal combustion engine and is matched with a hydraulic station (not shown in the figure) to provide power for the whole machine, the traveling device 10 is driven by the power source (not shown in the figure) to drive the wing bag sand barrier paving device to advance, the sand lifting device 2 can remove barriers or loose sand, then the loose sand is lifted to the sand filling device 6 through the sand lifting conveying device 3 and filled into the wing bag sand barrier 14, the guiding device 4 is matched to guide out the wing bag sand barrier 14, and the binding device 5 is matched with the wing bag sand barrier 14, so that the wing bag sand barrier 14 is paved, and the sand barrier paving device has the advantages of high automation degree and high paving efficiency (the guiding mechanism is the same as the existing bag forming principle and is not described in detail).
In this embodiment, as shown in fig. 1 to 9 and fig. 27 and 28, the sand opening and gathering device 2 includes a roller frame 20, the rear end of the roller frame 20 is hinged to the main frame 1, the front end of the roller frame 20 is provided with a sand opening roller 22 driven to rotate by a first driver 21, the front end of the roller frame 20 is controlled to swing up and down by a second lifting device 23, the outer wall of the sand opening roller 22 is circumferentially provided with a first sand gathering blade 221 and a second sand gathering Sha Jiangshe 222 which are spirally arranged along the axial direction of the sand opening roller 22, the first sand gathering blade 221 and the second sand gathering Sha Jiangshe are mutually spaced in the axial direction of the sand opening roller 22 to form a sand gathering section 223 at the outer wall of the sand opening roller 22 between the first sand gathering blade 221 and the second sand gathering blade 222, the spiral directions of the first sand gathering blade 221 and the second sand gathering blade Sha Jiangshe are opposite to each other, and the outer edge of one side of the first sand gathering blade 221 and the second sand gathering blade Sha Jiangshe 222 away from the central axis of the sand gathering roller 22 is provided with sand opening teeth 224 which are alternately arranged along the spiral directions.
In the structure, the sand opening roller 22 is driven to rotate by the first driver 21, the first sand gathering blades 221 are used for contacting with the sand surface of the second sand gathering Sha Jiangshe to loosen and level the sand floor knots or the uneven areas of the sand, the upper layer of the loosened sand is driven and collected in the axial direction of the sand opening roller 22 to form a sand accumulation area, the sand opening teeth 224 can effectively loosen hardened and agglomerated sand, meanwhile, obstacles can be cleaned and broken, the sand lifting conveying device 3 is convenient to take and fill, the second lifting device 23 is a winch, the sand opening depth of the sand opening roller 22 is controlled by driving cables, the sand opening roller 22 can be automatically swung up and retracted to protect the sand opening roller 22 when the sand opening roller 22 encounters obstruction, and the first driver 21 is preferably a hydraulic motor.
In this embodiment, cemented carbide 2241 is welded on the tooth walls of the two sides of the sand opening tooth 224 facing or/and facing away from the rotation direction of the sand opening roller 22.
In the above structure, the abrasion resistance of the contact part with sand is ensured while the tooth 224 itself maintains toughness.
In this embodiment, as shown in fig. 1 to 6, 10 to 13, 27 and 28, the sand lifting and conveying device 3 includes a sand lifting auger 30 with a lower end facing the rear of the main frame 1 and an upper end facing the front of the main frame 1, and driven by a second driver 31, where the sand lifting auger 30 and the main frame 1 or the auxiliary frame 12 are separated and offset, the lower end and the upper end of the sand lifting auger 30 are respectively provided with a sand taking opening 301 and a sand discharging opening 302, the lower end of the sand lifting auger 30 is provided with a sand collecting plate 32, the sand collecting plates 32 are arranged at two angles with each other and have V-shapes in projection in the axial direction of the sand lifting auger 30, the sand taking openings 301 are located at bottoms of V-shaped grooves of the two sand collecting plates 32, the V-shaped grooves of the sand taking openings 301 and the two sand collecting plates 32 face the front of the main frame 1, one side of the sand collecting plates 32 facing the auxiliary frame 12 is provided with a sand pressing plate 33 fixed on the auxiliary frame 12, and the height of the V-shaped grooves 33 near the two V-shaped grooves 32 at the height of the two V-shaped grooves 32 near the height of the two V-shaped grooves 1.
In the structure, when the wing-shaped sand barrier paving device advances, the two sand collecting plates 32 are used for guiding and gathering the loosened sand towards the bottom directions of the V-shaped grooves of the two sand collecting plates 32, so that the sand lifting auger 30 is guaranteed to lift the sand, the sand lifting fullness is improved, meanwhile, the sand pressing plate 33 can also effectively inhibit dust at the position of the sand taking opening 301, dust pollution is reduced, the energy-saving, environment-friendly and efficient desert sand taking work is realized, the inclined sand pressing plate 33 is used for pressing the height of the sand when the wing-shaped sand barrier paving device advances, the sand lifting fullness of the sand lifting auger 30 is further improved, and the second driver 31 is preferably a hydraulic motor.
In this embodiment, as shown in fig. 1 to 6, 14 to 18, 27 and 28, the guiding device 4 includes a guiding fixing frame 40 fixedly connected to the sub-frame 12, the guiding fixing frame 40 is hinged with a guiding swing frame 41, the guiding device further includes a squeeze roller 44 mounted on an adjusting frame 42 and driven to rotate by a third driver 43, the guiding swing frame 41, the adjusting frame 42, the third driver 43 and the squeeze roller 44 are symmetrically arranged, the guiding swing frame 41 is connected by a synchronizing shaft 411 so that the guiding swing frame 41 can swing at equal angles relative to the guiding fixing frame 40 during adjustment, a hinge axis of the guiding swing frame 41 hinged with the guiding fixing frame 40 is perpendicular to an axis of the squeeze roller 44 by 90 degrees, the axes of the two squeeze rollers 44 are parallel to each other, and the adjusting frame 42 is slidably arranged relative to the guiding swing frame 41 so as to control a spacing distance between the two squeeze rollers 44.
In the above structure, after the guiding mechanism (not shown in the figure) guides the strip-shaped wing bag sand-protecting barrier 14 into a cylinder, the wing bag sand-protecting barrier 14 guided into the cylinder is controlled by the way of opposite rolling of the two squeeze rollers 44, the height of two sides of the wing bag sand-protecting barrier 14 is not easy to generate dislocation change when the wing bag sand-protecting barrier is conveyed to the downstream binding device 5, the traction speed of the wing bag sand-protecting barrier 14 is controlled, the downstream binding device 5 is assisted to provide positioning and shaping for the wing bag sand-protecting barrier 14, the guiding-out swinging frame 41 is matched with the swinging frame screw 401 through the fan groove 412 when being adjusted, so as to control the pitching angle of the squeeze rollers 44 when being output, for example, under the traction state, the wing bag sand-protecting barrier 14 has a downward sliding trend relative to the squeeze rollers 44, and the guiding-out swinging frame 41 is required to be adjusted to enable the squeeze rollers 44 to raise the push-out barrier 44 (namely, the output angle is higher than the original output direction of the wing bag sand-protecting barrier 14), so that the wing bag sand-protecting barrier 14 can be lifted when the wing bag sand-protecting barrier 14 is driven upwards, and the traction performance of the wing bag is ensured.
In this embodiment, the outer wall of the squeeze roller 44 is provided with a glue coating layer 441, and the two squeeze rollers 44 squeeze each other for opposite rolling.
In the above structure, the rubber coating layer 441 can improve friction force, reduce or avoid slipping phenomenon of the squeeze roller 44 when pulling the wing bag sand barrier 14, and meanwhile, the rubber coating layer 441 can utilize its own elasticity to play a role in certain abrasion compensation and self-adaptive lamination.
In this embodiment, the adjusting frame 42 includes a driver support plate 421 and a squeeze roll support plate 422, the driver support plate 421 and the squeeze roll support plate 422 are connected and fixed by a connecting rod 423, the third driver 43 is fixed on the driver support plate 421, and the squeeze roll support plate 422 is provided with two support rollers 4221 that are spaced from each other and tangentially supported by the squeeze roll 44.
In the above structure, both the support rollers 4221 are supported tangentially to the squeeze roller 44, and the rigidity of the squeeze roller 44 is improved.
In this embodiment, one end of the squeeze roller 44 is in power connection with the third driver 43, and the support roller 4221 and one end of the squeeze roller 44 away from the third driver 43 are supported.
In the above-described structure, the end of the squeeze roller 44 remote from the third driver 43 is a cantilever end, so that the rigidity is poor, and the entire rigidity is enhanced by being supported by the support roller 4221.
In this embodiment, the outer wall of the squeeze roller 44 is provided with an adapting groove 442, and the supporting roller 4221 is adapted to the adapting groove 442.
In the above structure, the adapting groove 442 is adapted to the supporting roller 4221, which can perform a good guiding function, so as to ensure the relative axial position between the squeeze roller 44 and the supporting roller 4221, for example, the supporting roller 4221 directly contacts with the outer wall of the squeeze roller 44, and the localized wear of the encapsulation layer 441 at the position can be caused due to the excessive concentration of contact stress.
In this embodiment, the guiding-out swing frame 41 is provided with a sliding groove 413, the driver support plate 421 and the squeeze roller support plate 422 are slidably matched with each other with respect to the sliding groove 413, and a presser 45 is further provided between the guiding-out swing frame 41 and the adjusting frame 42.
In the above-described structure, the presser 45 is used to adjust the distance between the two sets of pressing rollers 44 while providing a certain counter-rolling force thereto.
In this embodiment, the compactor 45 includes a slide rod 451 fixed to the adjusting frame 42 and capable of sliding relative to the guiding-out swing frame 41, a force-optimizing rubber sleeve 452 is provided on the slide rod 451, the guiding-out swing frame 41 is provided with a push plate 453 abutting against an end surface of the force-optimizing rubber sleeve 452, and the guiding-out swing frame 41 is provided with an adjusting screw 454 for adjusting a position of the push plate 453.
In the above structure, the elastic force rubber sleeve 452 is sleeved on the slide rod 451, one end of the elastic force rubber sleeve 452 is propped against the adjusting frame 42, the other end is propped against the push plate 453, and the adjusting screw 454 is in threaded fit with the guiding-out swing frame 41, so that the end of the adjusting screw 454 is propped against the push plate 453 and acts on the elastic force rubber sleeve 452, and the elastic force rubber sleeve 452 is further compressed to provide elastic force energy storage when the two extrusion rollers 44 are in contact extrusion, so that the extrusion force of the two extrusion rollers 44 is always kept.
In this embodiment, the third driver 43 is a stepper motor or a servo motor.
In the above structure, the third driver 43 can be driven by a hydraulic motor or in power connection with a power source (not shown in the figure) of the lupin bag sand barrier laying device.
In this embodiment, as shown in fig. 1 to 6, 19 to 23, 27 and 28, the binding device 5 includes a binding fixing frame 50 fixedly connected to the sub-frame 12, the binding fixing frame 50 is provided with a binding swing frame 51, one end of the binding swing frame 51 is hinged to the binding fixing frame 50, the other end of the binding swing frame is in a sagging swing arrangement, the swinging direction of the sagging end of the binding swing frame 51 is in the same direction as the output direction of the wing bag sand barrier 14, a swing limiting mechanism 52 and a reset device 53 are arranged between the binding fixing frame 50 and the binding swing frame 51, a binding opening 511 is arranged at the swinging end of the binding swing frame 51, and a binding device 55 driven by a fourth driver 54 is arranged in the binding opening 511.
In the above structure, the fourth driver 54 controls the binder 55 to bind the two sides of the wing bag sand-protecting object 14, and the binding swing frame 51 swings relative to the binding fixing frame 50, so that when the binding is performed, the binder 55 moves along the output direction of the wing bag sand-protecting object 14 when the binding needle of the binder 55 pierces the wing bag sand-protecting object 14, thereby achieving the purpose of synchronous following.
In this embodiment, the swing limiting mechanism 52 includes a swing groove 512 disposed along a swing direction, and a swing pin 501 adapted to the swing groove 512 to limit a reciprocating swing limit position, the swing groove 512 is disposed on the binding swing frame 51, the swing pin 501 is disposed on the binding fixing frame 50, the reset device 53 controls the binding swing frame 51 to swing toward a side opposite to an output direction of the wing-shaped sand barrier 14, and the stapler 55 is a stapler.
In the above structure, the swing groove 512 is adapted to the swing pin 501, so as to limit the swing angle of the binding swing frame 51, and after the binding is completed, the binding swing frame 51 that swings under the traction of the wing bag sand barrier 14 is reset by the reset device 53, so as to reset for the next binding.
In this embodiment, the resetting device 53 is a tension spring, and two ends of the resetting device are respectively connected with tension spring ears 531 of the binding fixing frame 50 and the binding swing frame 51.
In the above structure, both ends of the tension spring are hooked on the tension spring ear 531 of the binding fixing frame 50 and the tension spring ear 531 of the binding swing frame 51, respectively.
In this embodiment, the binding fixing frame 50 includes a fixing plate 502 and a support beam 503 mounted on the fixing plate 502 and extending toward the output direction of the wing bag sand barrier 14, and the binding swing frame 51 is hinged to the extending end of the support beam 503.
In the above configuration, the stapling carriage 51 is spaced from the guide 4, and interference between the two is avoided.
In this embodiment, as shown in fig. 1 to 6 and fig. 24 to 28, the sand filling device 6 includes a sand filling auger 60 fixedly connected to the sub-frame 12 and driven by a fifth driving driver 61, a sand inlet 601 is provided at a front end of the sand filling auger 60 and a rear end of the sand filling auger facing the main frame 1, a sand filling opening 602 is provided at a rear end of the sand filling auger facing the main frame 1, the sand filling opening 602 is located below the sand discharging opening 302, a sand barrier conveying mechanism 70 is further included on one side of an output direction of the sand filling opening 602, the sand barrier conveying mechanism 70 includes a conveying frame 71 and driving wheels 73 mounted on the conveying frame 71 and driven by a sixth driving driver 72, the driving wheels 73 are two groups and are disposed at intervals in an output direction of the sand filling opening 602, a conveying belt 74 driven by the driving wheels 73 is further included, a belt surface on the conveying belt 74 is oriented in the same direction as the output direction of the sand filling opening 602, and a belt surface on the conveying belt 74 is located below a section of the sand filling auger 60.
In the above structure, when the sand filling auger 60 fills the sand on the wing bag sand barrier 14, the wing bag sand barrier 14 which has completed filling sand can be firstly dropped on the sand barrier conveying mechanism 70, then conveyed to the ground through the sand barrier conveying mechanism 70, the situation that the wing bag sand barrier 14 slides out due to self weight dropping to drag the wing bag sand barrier 14 which is not filled with sand after filling sand is reduced, so that the situation that sand filling is not practical is avoided, meanwhile, the conveying speed of the conveying belt 74 can be controlled through the sixth moving driver 72, so that a certain resistance is provided for the output of the wing bag sand barrier 14, and the sand filled by the sand filling port 602 is forced to fill the wing bag sand barrier 14 as much as possible, so that the sand filling quality is ensured.
In this embodiment, a conveying toothed plate 741 is disposed on an outer belt wall of the conveying belt 74, the conveying toothed plates 741 are arranged at intervals in the output direction of the sand filling port 602, the conveying belt 74 is formed by butting a plurality of chain plates 742, each chain plate 742 is provided with one or more conveying toothed plates 741, and a middle position of one surface of the conveying toothed plate 741 opposite to the chain plate 742 is concaved downwards to form a bearing recess 7411.
In the structure, the conveying toothed plate 741 can increase the friction force between the conveying toothed plate 741 and the wing bag sand barrier 14 to reduce the slip between the conveying toothed plate and the wing bag sand barrier 14, the chain plate 742 is matched with the conveying toothed plate 741 to further improve the rigidity of the conveying toothed plate to bear the wing bag sand barrier 14 after the sand filling is completed, the bearing recess 7411 can be more matched with the bottom of the wing bag sand barrier 14 after the sand filling is completed, and the problem of deformation caused by stress concentration of the bottom of the wing bag sand barrier 14 under the dead weight is reduced.
In this embodiment, the carriage 71 is further provided with a support plate 711 disposed between the two driving wheels 73 for supporting against the lower surface of the upper surface of the conveyor belt 74.
In the above-described structure, the support plate 711 can enhance the support rigidity of the conveyor belt 74 between the two drive wheels 73.
In this embodiment, the outer wall of the sand filling port 602 is provided with a molding cylinder 603 concentrically arranged therewith.
In the above configuration, molding cylinder 603 is used to guide the wing bag sand barrier 14 into cylinders.
In this embodiment, the fifth driving device 61 is located at one end of the sand filling auger 60 where the sand inlet 601 is provided.
In the above configuration, the fifth moving driver 61 is a hydraulic motor, and the sixth moving driver 72 is a stepping motor or a servo motor.
The sand lifting device has the advantages that the first lifting device 11 is a winch, the auxiliary frame 12 is controlled to swing through a guy rope to lift or lower the sand lifting conveying device 3, the guiding device 4, the binding device 5 and the sand filling device 6, the power source is an internal combustion engine and is matched with a hydraulic station to provide power for the whole machine, the traveling device 10 is driven by the power source to drive the wing bag sand barrier paving device to advance, the sand lifting device 2 can remove barriers or loose sand, then the loose sand is lifted to the sand filling device 6 through the sand lifting conveying device 3 and filled into the wing bag sand barrier 14, the binding device 5 is matched with the guiding device 4 to guide the wing bag sand barrier 14, and therefore the wing bag sand barrier 14 is paved, and the sand lifting device has the advantages of being high in automation degree and high in paving efficiency (a guiding mechanism is the same as the existing bag forming principle, and is not described in detail).
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311396518.7A CN117286859B (en) | 2023-10-25 | 2023-10-25 | Wing bag sand barrier laying device |
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| CN202311396518.7A CN117286859B (en) | 2023-10-25 | 2023-10-25 | Wing bag sand barrier laying device |
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| CN117286859B true CN117286859B (en) | 2025-09-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316279A (en) * | 2018-03-21 | 2018-07-24 | 内蒙古低覆盖治沙科技开发有限公司 | A kind of continuous wing bag sand-protecting barrier laydown machine |
| CN221345529U (en) * | 2023-10-25 | 2024-07-16 | 内蒙古低覆盖治沙科技开发有限公司 | Wing bag sand barrier laying device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258499B (en) * | 2019-06-21 | 2024-03-19 | 民勤县北海兴鑫机械有限公司 | Self-adaptive omentum sand barrier paving machine |
| CN210368917U (en) * | 2019-06-21 | 2020-04-21 | 民勤县北海兴鑫机械有限公司 | Machine for laying net film sand barrier of mobile sand land |
| CN111119152B (en) * | 2020-01-10 | 2025-03-07 | 内蒙古低覆盖治沙科技开发有限公司 | A continuous feather bag sand barrier laying machine |
| CN111119082A (en) * | 2020-01-10 | 2020-05-08 | 内蒙古低覆盖治沙科技开发有限公司 | A kind of wing bag sand barrier laying sand extraction device |
| CN115088423A (en) * | 2022-06-27 | 2022-09-23 | 山东五征集团有限公司 | A sand belt and sand barrier combined sand control machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316279A (en) * | 2018-03-21 | 2018-07-24 | 内蒙古低覆盖治沙科技开发有限公司 | A kind of continuous wing bag sand-protecting barrier laydown machine |
| CN221345529U (en) * | 2023-10-25 | 2024-07-16 | 内蒙古低覆盖治沙科技开发有限公司 | Wing bag sand barrier laying device |
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