CN113086864B - Counterweight telescopic working arm - Google Patents
Counterweight telescopic working arm Download PDFInfo
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- CN113086864B CN113086864B CN202110418008.XA CN202110418008A CN113086864B CN 113086864 B CN113086864 B CN 113086864B CN 202110418008 A CN202110418008 A CN 202110418008A CN 113086864 B CN113086864 B CN 113086864B
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- rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/202—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from below, e.g. by floors of buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J18/00—Arms
- B25J18/02—Arms extensible
- B25J18/025—Arms extensible telescopic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
- B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Robotics (AREA)
- Civil Engineering (AREA)
- Jib Cranes (AREA)
Abstract
本发明涉及一种配重伸缩工作臂，包括基座，基座上设有折叠伸缩臂和配重箱，折叠伸缩臂包括第一臂杆、两个第二臂杆、若干节臂，第一臂杆与基座之间设有用于第一驱动机构，两个第二臂杆与第一臂杆之间设有用于第二驱动机构，节臂与两个第二臂杆之间设有第三驱动机构，若干节臂内设有第四驱动机构，基座的第一液压缸铰接有连接件，连接件与滑套之间设有第一连杆，连接件与滑臂之间设有第二连杆，第二连杆与滑套之间设有第三连杆，通过改变第一臂杆与基座的角度、第二臂杆与第一臂杆之间的角度、第二臂杆和若干节臂总长、相邻节臂同步伸缩移动总长、配重箱伸缩移动提高工作臂工作时的载荷能力、工作灵活性和作业范围，减小损耗、满足作业需求。
The present invention relates to a counterweight telescopic working arm, comprising a base, on which a folding telescopic arm and a counterweight box are arranged, the folding telescopic arm comprising a first arm, two second arms, and a plurality of section arms, a first driving mechanism is arranged between the first arm and the base, a second driving mechanism is arranged between the two second arms and the first arm, a third driving mechanism is arranged between the section arm and the two second arms, and a fourth driving mechanism is arranged in the section arms, a first hydraulic cylinder of the base is hinged with a connecting piece, a first connecting rod is arranged between the connecting piece and the sliding sleeve, a second connecting rod is arranged between the connecting piece and the sliding arm, and a third connecting rod is arranged between the second connecting rod and the sliding sleeve, and by changing the angle between the first arm and the base, the angle between the second arm and the first arm, the total length of the second arm and the plurality of section arms, the total length of the synchronous telescopic movement of adjacent section arms, and the telescopic movement of the counterweight box, the load capacity, working flexibility and operating range of the working arm during operation are improved, the loss is reduced, and the operation requirements are met.
Description
Technical Field
The invention relates to a counterweight telescopic working arm, and belongs to the technical field of mechanical arms.
Background
The telescopic working arm can be matched with a lifting appliance, a clamp and the like to realize mechanization and automation by designating extension according to a program instead of heavy work, can be assembled with a moving vehicle or a fixed area, and can be widely applied to working conditions such as machining, installation and maintenance, lifting, feeding, material selecting and the like in the fields of mechanical manufacturing, metallurgy, electronics, light industry, petroleum, ships and the like. The telescopic working arm in the prior art generally comprises a folding or rope arm support, a base, an upright post, a hydraulic system, a weight box and the like, the weight box is assembled with the base by adopting a fixed or movable mode so as to improve the load weighing of the working arm, the movable weight box is generally directly driven by a hydraulic cylinder parallel to the base to increase moment, the stability of the working arm, particularly when a heavy object is transferred, is improved, but the weight component born by a hydraulic rod of the hydraulic cylinder in the telescopic process is increased, the telescopic distance is limited, the influence on the abrasion and connection flexibility of the internal components of the hydraulic cylinder is larger, and meanwhile, the telescopic working arm adopts a single-arm multi-section telescopic structure so that the hydraulic step-by-step transmission strength is poorer, thereby limiting the load of the working arm and being difficult to meet the application requirement.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a counterweight telescopic working arm, which improves the load capacity, the working flexibility and the working range of the working arm during working by changing the angle between a first arm rod and a base, the angle between a second arm rod and the first arm rod, the total length of the second arm rod and a plurality of sections of arms, the total length of synchronous telescopic movement of adjacent sections of arms and the telescopic movement of a counterweight box, reduces the loss and meets the working requirement.
The invention is realized by the following technical scheme:
The folding telescopic arm comprises a first arm rod hinged with the base, two second arm rods connected with the first arm rod and a plurality of sections of arms nested in the second arm rods, and a first driving mechanism for driving the first arm rod to reciprocally deflect around a hinged position with the base is arranged between the first arm rod and the base;
a second driving mechanism for driving the second arm rod to reciprocate around the hinge position of the second arm rod and the first arm rod is arranged between the two second arm rods, a third driving mechanism for driving the second arm rod to synchronously reciprocate in the corresponding second arm rod is arranged between the two second arm rods in the plurality of section arms, a fourth driving mechanism for driving the adjacent section arms to synchronously reciprocate is arranged in the plurality of section arms, and connecting seats are arranged at the end parts of the plurality of section arms of the two second arm rods;
The sliding sleeve is arranged on one side of the base, a sliding arm which is in sliding fit and connected with the weight box is arranged in the sliding sleeve, a first hydraulic cylinder is hinged to the base, a connecting piece is hinged to the end part of a hydraulic rod of the first hydraulic cylinder, a first connecting rod which is connected in a hinged mode is arranged between the connecting piece and the sliding sleeve, a second connecting rod which is connected in a hinged mode is arranged between the connecting piece and the sliding arm, and a third connecting rod which is connected in a hinged mode is arranged between the second connecting rod and the sliding sleeve;
The first driving mechanism is a second hydraulic cylinder which is positioned at the bottom of the side of the first arm rod and is hinged with the base, and the end part of a hydraulic rod of the second hydraulic cylinder is hinged with the side wall of the first arm rod;
The second driving mechanism is a third hydraulic cylinder which is positioned at the bottom of the second arm rod and hinged with the end part of the first arm rod, and the end part of a hydraulic rod of the third hydraulic cylinder is hinged with the bottom of the second arm rod;
The third driving mechanism is a fourth hydraulic cylinder which is arranged in parallel between the two second arm rods, a hinging seat is arranged at the end part of the hydraulic rod of the fourth hydraulic cylinder, and a fourth connecting rod which is hinged with the side wall of the knuckle arm, which is close to the second arm rods, of the knuckle arms is arranged between the hinging seat and the side wall of the knuckle arm;
The plurality of sections of arms comprise a first section of arms, a second section of arms, a third section of arms and a fourth section of arms which are nested in sequence, the fourth driving mechanism is a fifth hydraulic cylinder which is arranged inside the plurality of sections of arms, the end part of the hydraulic rod of the fifth hydraulic cylinder is fixedly connected with the first section of arms, a supporting frame is arranged between the end part of the fifth hydraulic cylinder and the second section of arms, a first pulley is arranged at the tail end of the fifth hydraulic cylinder, a first belt which is in sliding fit with the first pulley and is respectively connected with the first section of arms and the third section of arms at the two ends is arranged outside the first pulley, a second pulley is arranged on the second section of arms, a second belt which is in sliding fit with the first section of arms and is respectively connected with the third section of arms at the two ends of the second pulley is arranged at the two ends of the third section of arms, a third belt which is in sliding fit with the first belt and the fourth section of arms is respectively arranged outside the third pulley, and a fourth belt which is respectively connected with the second section of arms and the fourth section of arms is respectively arranged at the two ends of the fourth pulley;
The base is characterized in that an inner sleeve and an outer sleeve which are mutually nested are arranged at the bottom of the base, a worm wheel is arranged on the inner sleeve, a worm meshed with the worm wheel and a servo motor coaxially connected with the worm are arranged on the outer sleeve, and a base is arranged at the bottom of the outer sleeve.
The beneficial effects of the invention are as follows:
(1) The base is connected with a carrying vehicle or other fixed areas, the connecting seat is connected with mechanical structures such as a lifting appliance, a clamp and the like, and when in operation, the first driving mechanism, namely the hydraulic rod of the second hydraulic cylinder stretches to push or pull the hinged first arm rod, so that the angle between the first arm rod and the base is changed to realize operation height and angle adjustment;
(2) The second driving mechanism, namely a hydraulic rod of the third hydraulic cylinder stretches to push or pull the hinged second arm rod, so that the angle between the second arm rod and the first arm rod is changed to realize the adjustment of the working height and the angle;
(3) The third driving mechanism, namely a hydraulic rod of a fourth hydraulic cylinder stretches to push or pull the hinging seat, the side wall of the knuckle arm, which is close to the second arm rod, in the knuckle arm is pushed or pulled by a hinged fourth connecting rod, and the knuckle arm moves back and forth in the second arm rod to adjust the total length of the second arm rod and a plurality of knuckle arms, so that the stable support and synchronous adjustment of the double arms are realized, and the adjustment of the operation position is realized;
(3) The second section arm moves relative to the first section arm through the movement of the supporting frame along with the fifth hydraulic cylinder, the first pulley moves along with the fifth hydraulic cylinder to pull the third section arm by a first belt or the second pulley moves along with the second section arm to pull the third section arm by a second belt, so that the third section arm moves relative to the second section arm, the fourth pulley moves along with the third section arm to pull the fourth section arm by a fourth belt or the third pulley moves along with the third section arm to pull the fourth section arm by a third belt, so that the fourth section arm moves relative to the third section arm, the synchronous telescopic movement of adjacent section arms is driven, the operation efficiency and the supporting strength are improved, and the total length of a plurality of section arms is changed, so that the operation position is adjusted;
(4) The hydraulic rod of the first hydraulic cylinder stretches, pushes or pulls the hinged connecting piece, the connecting piece moves under the limiting action of the first connecting rod, pushes or pulls the sliding arm hinged through the second connecting rod, so that the sliding arm stretches and moves in the sliding sleeve, the moment from the weight box to the base is changed, the load capacity of the working arm during working is improved, the loss of the first hydraulic cylinder is reduced, and the service life is prolonged;
(5) The servo motor drives the worm to rotate, so that the base on the inner sleeve is driven to deflect relative to the outer sleeve under the speed reduction transmission of the worm and the worm wheel, and the operation direction is changed, thereby improving the working flexibility and the operation range in a comprehensive way and meeting the operation requirement.
Drawings
Fig. 1 is a top perspective view of the present invention.
Fig. 2 is a bottom perspective view of the present invention.
Fig. 3 is a front view of the structure of the present invention.
Fig. 4 is a top view of the structure of the present invention.
Fig. 5 is a partial cross-sectional view in the AA direction of fig. 4.
The figure shows a base 1, a folding telescopic arm 2 and a weight box 3, a first arm rod 21, a second arm rod 22, a connecting seat 4, a sliding sleeve 5, a sliding arm 6, a first hydraulic cylinder 7, a connecting piece 8, a first connecting rod 9, a second connecting rod 10, a third connecting rod 11, a second hydraulic cylinder 12, a third hydraulic cylinder 13, a first side plate 14, a second side plate 15, a fourth hydraulic cylinder 16, a hinging seat 17, a fourth connecting rod 18, a first arm 23, a second arm 24, a third arm 25 and a fourth arm 26, a fifth hydraulic cylinder 19, a supporting frame 20, a first pulley 27, a first belt 28, a second pulley 29, a second belt 30, a third pulley 31 and a fourth pulley 32, a third belt 33, a fourth belt 34, a first slide rail 35, a second slide rail 36, an inner sleeve 37 and an outer sleeve 38, a worm gear 39, a worm 40, a servo motor 41 and a base 42.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The folding telescopic arm 2 comprises a first arm rod 21 hinged with the base 1, two second arm rods 22 connected with the first arm rod 21 and a plurality of sections of arms nested in the second arm rods 22, and a first driving mechanism for driving the first arm rod 21 to reciprocate around a hinged position with the base 1 is arranged between the first arm rod 21 and the base 1;
a second driving mechanism for driving the second arm rods 22 to reciprocate around the hinge positions of the first arm rods 21 is arranged between the two second arm rods 22 and the first arm rods 21, a third driving mechanism for driving the section arms to synchronously reciprocate in the corresponding second arm rods 22 is arranged between the section arms close to the second arm rods 22 in the plurality of section arms, a fourth driving mechanism for driving the adjacent section arms to synchronously stretch and retract is arranged in the plurality of section arms, and a connecting seat 4 is arranged at the end parts of the plurality of section arms of the two second arm rods 22;
A sliding sleeve 5 is arranged on one side of the base 1, a sliding arm 6 which is in sliding fit with the sliding sleeve 5 and is connected with the weight box 3 is arranged in the sliding sleeve 5, a first hydraulic cylinder 7 is hinged on the base 1, a connecting piece 8 is hinged at the end part of the hydraulic rod of the first hydraulic cylinder 7, a first connecting rod 9 which is hinged with the connecting piece 8 is arranged between the connecting piece 8 and the sliding sleeve 5, a second connecting rod 10 which is hinged with the sliding arm 6 is arranged between the connecting piece 8 and the sliding sleeve 6, and a third connecting rod 11 which is hinged with the second connecting rod 10 is arranged between the sliding sleeve 5;
The first driving mechanism is a second hydraulic cylinder 12 which is positioned at the bottom of the side of the first arm rod 21 and is hinged with the base 1, and the end part of the hydraulic rod of the second hydraulic cylinder 12 is hinged with the side wall of the first arm rod 21;
the second driving mechanism is a third hydraulic cylinder 13 which is positioned at the bottom of the second arm lever 22 and hinged with the end part of the first arm lever 21, and the hydraulic rod end part of the third hydraulic cylinder 13 is hinged with the bottom of the second arm lever 22;
The first arm rod 21 is of a T-shaped structure, a plurality of first side plates 14 protruding obliquely are arranged at the end parts of the first arm rod 21, a plurality of second side plates 15 are arranged at the two sides and the bottom of the second arm rod 22, and the second side plates 15 and the third hydraulic cylinders 13 are hinged between the adjacent first side plates 14;
The third driving mechanism is a fourth hydraulic cylinder 16 arranged in parallel between two second arm rods 22, the end part of the hydraulic rod of the fourth hydraulic cylinder 16 is provided with a hinge seat 17, and a fourth connecting rod 18 which is hinged and connected between the hinge seat 17 and the side wall of the arm section of the plurality of arm sections, which is close to the second arm rods 22;
The plurality of sections of arms comprise a first section of arm 23, a second section of arm 24, a third section of arm 25 and a fourth section of arm 26 which are nested in sequence, the fourth driving mechanism is a fifth hydraulic cylinder 19 arranged in the plurality of sections of arms, the end part of the hydraulic rod of the fifth hydraulic cylinder 19 is fixedly connected with the first section of arm 23, a support frame 20 is arranged between the end part of the fifth hydraulic cylinder 19 and the second section of arm 24, a first pulley 27 is arranged at the tail end of the fifth hydraulic cylinder 19, a first belt 28 which is externally provided with a sliding fit and is respectively connected with the first section of arm 23 and the third section of arm 25 at the two ends, a second belt 30 which is externally provided with a sliding fit and is respectively connected with the first section of arm 23 and the third section of arm 25 at the two ends, a third pulley 31 and a fourth pulley 32 are respectively arranged at the two ends of the third section of arm 25, a third belt 33 which is externally provided with a sliding fit and is respectively connected with the first belt 28 and the fourth section of arm 26 at the two ends, and a fourth belt 32 which is externally provided with a sliding fit and is respectively connected with the fourth section of arm 24 and the fourth section of arm 34;
a plurality of parallel and sliding-fit first sliding rails 35 are arranged between the outer wall of the first arm 23 and the end part of the second arm lever 22, between the outer wall of the second arm 24 and the end part of the first arm 23, between the outer wall of the third arm 25 and the end part of the second arm 24, and between the two sides of the fourth arm 26 and the end part of the third arm 25, and two sides of the sliding arm 6 are provided with second sliding rails 36 which are in sliding fit with the end part of the sliding sleeve 5;
The bottom of the base 1 is provided with an inner sleeve 37 and an outer sleeve 38 which are mutually nested, the inner sleeve 37 is provided with a worm wheel 39, the outer sleeve 38 is provided with a worm 40 meshed with the worm wheel 39, a servo motor 41 coaxially connected with the worm 40, and the bottom of the outer sleeve 38 is provided with a base 42.
The working principle of the invention is as follows:
Referring to the drawings, a base 42 is connected with a carrier vehicle or other fixed areas, a first hydraulic cylinder 7, a second hydraulic cylinder 12, a third hydraulic cylinder 13, a fourth hydraulic cylinder 16 and a fifth hydraulic cylinder 19 are connected with a hydraulic system oil way, a servo motor 41 is connected with an electric control system for connection control, and a connecting seat 4 is connected with mechanical structures such as a lifting appliance, a clamp and the like;
During operation, the first driving mechanism, namely the hydraulic rod of the second hydraulic cylinder 12 stretches out and draws back to push or pull the side wall of the hinged first arm rod 21, so that the first arm rod 21 ascends and deflects around the hinge position of the base 1 or descends and deflects, the hydraulic rods of the second hydraulic cylinder 12 and the second hydraulic cylinder 12 respectively deflect around the hinge position of the base 1 and the first arm rod 21, and the angle between the first arm rod 21 and the base 1 is changed to realize operation height and angle adjustment;
The second driving mechanism, namely the hydraulic rod of the third hydraulic cylinder 13 stretches to push or pull the hinged second arm rod 22, so that the second arm rod 22 ascends and deflects around the hinge position of the first arm rod 21 or descends and deflects to fold, the hydraulic rod of the third hydraulic cylinder 13 respectively deflects around the hinge positions of the first arm rod 21 and the second arm rod 22, and the angle between the second arm rod 22 and the first arm rod 21 is changed to realize operation height and angle adjustment;
the first arm rod 21 is of a T-shaped structure, and a plurality of first side plates 14 protruding obliquely are arranged at the end parts of the first arm rod, and are used for enabling the second side plates 15 connected with the second arm rod 22 and the third hydraulic cylinders 13 to be hinged in a compact mode, so that the supporting force and the operation stability are improved;
The third driving mechanism, namely the hydraulic rod of the fourth hydraulic cylinder 16 stretches to push or pull the hinging seat 17, the hinging seat 17 pushes or pulls the side wall of the knuckle arm, which is close to the second arm rod 22, of the knuckle arms through the hinged fourth connecting rod 18, so that the knuckle arms can reciprocate in the second arm rod 22 to adjust the total length of the second arm rod 22 and a plurality of knuckle arms, the operation position can be adjusted, and the two second arm rods 22 carry out double-arm support and synchronous adjustment, and the structural strength and stability are improved;
The hydraulic rod of a fourth driving mechanism, namely a fifth hydraulic cylinder 19, is extended to enable the second section arm 24 to move along with the fifth hydraulic cylinder 19 through the supporting frame 20 and move relative to the first section arm 23 under the guidance of the first sliding rail 35, one end of a first belt 28 which is in sliding fit is pulled to enable the third section arm 25 to stably move relative to the second section arm 24 under the guidance of the first sliding rail 35 when the first pulley 27 moves along with the fifth hydraulic cylinder 19, a fourth belt 34 which is in sliding fit is pulled to enable the fourth section arm 26 to move relative to the third section arm 25 under the guidance of the first sliding rail 35 when the fourth pulley 32 moves along with the third section arm 25, a second belt 30 outside the second pulley 29 and a third belt 33 outside the third pulley 31 are correspondingly moved, the first section arm 23, the second section arm 24, the third section arm 25 and the fourth section arm 26 which are nested in sequence are synchronously extended to move, and the total length of a plurality of sections of arms is changed to realize operation position adjustment;
The hydraulic rod of a fifth hydraulic rod is contracted by a fourth driving mechanism, namely, the second section arm 24 moves relative to the fifth hydraulic cylinder 19 through the support frame 20 and moves relative to the first section arm 23 under the guidance of the first slide rail 35, one end of a second belt 30 which is in sliding fit with the second section arm 24 is pulled to enable the third section arm 25 to stably move relative to the second section arm 24 under the guidance of the first slide rail 35, one end of a third belt 33 which is in sliding fit with the third section arm 25 is pulled to enable the fourth section arm 26 to move relative to the third section arm 25 under the guidance of the first slide rail 35, the first belt 28 outside the first pulley 27 and the fourth belt 34 outside the fourth pulley 32 are correspondingly moved, the first section arm 23, the second section arm 24, the third section arm 25 and the fourth section arm 26 which are nested in sequence are synchronously contracted, the total length of a plurality of sections of arms is changed to realize the adjustment of the operation positions, and the fourth driving mechanism is realized to drive the synchronous movement of adjacent sections of arms, the operation efficiency and the support strength are improved;
When the load of the working arm is increased, the hydraulic rods of the first hydraulic cylinder 7 stretch to push the hinged connecting piece 8, the connecting piece 8 moves under the limit action of the first connecting rod 9 and pushes the sliding arm 6 hinged through the second connecting rod 10, so that the sliding arm 6 stretches and moves in the sliding sleeve 5 along the guiding action of the second sliding rail 36, the hydraulic rods of the first hydraulic cylinder 7 and the first hydraulic cylinder 7 respectively deflect around the hinging positions of the base 1 and the connecting piece 8, the second connecting rod 10 deflects around the hinging positions of the connecting piece 8 and the sliding sleeve 5, and the third connecting rod 11 deflects around the hinging positions of the second connecting rod 10 and the sliding sleeve 5, so that the moment from the weight box 3 to the base 1 is increased, and the load capacity of the working arm during working is improved;
Similarly, the hydraulic rod of the first hydraulic cylinder 7 contracts to pull the hinged connecting piece 8, the connecting piece 8 pulls the sliding arm 6 hinged with the second connecting rod 10 to enable the sliding sleeve 5 to contract and move relative to the sliding arm 6, the first hydraulic rod, the second connecting rod 10 and the third connecting rod 11 deflect correspondingly, the moment from the weight box 3 to the base 1 is reduced, the integral movement is prevented from being influenced when the weight box is not in operation, the integral structure is supported reliably, the moving distance of the weight box 3 is increased, the load capacity is improved, the acting force of the first hydraulic cylinder 7 by the weight box 3 is reduced, the loss is reduced, and the service life is prolonged;
The servo motor 41 on the outer sleeve 38 drives the worm 40 to rotate, so that the worm 40 and the worm wheel 39 are driven by the speed reduction transmission to drive the base 1 on the inner sleeve 37 to deflect relative to the outer sleeve 38, and the working direction is changed, thereby improving the working flexibility and the working range and meeting the working requirements.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a number" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (7)
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| CN114131650A (en) * | 2021-11-09 | 2022-03-04 | 杭州景业智能科技股份有限公司 | Telescopic device |
| CN114165027B (en) * | 2021-12-15 | 2023-11-24 | 福建联政信息技术有限公司 | Coating mechanism for building interior wall |
| CN116142769A (en) * | 2022-09-14 | 2023-05-23 | 武汉孚锐利自动化设备有限公司 | A balanced lifting carbon fiber HM host |
| CN118877760B (en) * | 2024-09-30 | 2025-01-10 | 河南省时代输送设备有限公司 | Intelligent elevator based on mechanical arm |
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| CN214780382U (en) * | 2021-04-19 | 2021-11-19 | 江苏和润智能装备有限公司 | Counterweight telescopic working arm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4757875A (en) * | 1987-09-25 | 1988-07-19 | Kidde, Inc. | Vehicular low profile self propelled aerial work platform |
| DE102009020338B4 (en) * | 2009-05-07 | 2011-07-21 | Manitowoc Crane Group France Sas | Telescopic crane with self-assembling guying fixture and mounting method for a guying fixture |
| CN101955133B (en) * | 2009-07-14 | 2013-06-05 | 三一汽车制造有限公司 | Movable crane |
| CN201952140U (en) * | 2011-01-19 | 2011-08-31 | 上海三一科技有限公司 | Movable rear counterweight device of crawler crane |
| CN105384091A (en) * | 2015-12-31 | 2016-03-09 | 徐州重型机械有限公司 | Telescopic boom structure with a multilevel independent telescopic cylinder and crane |
| CN211283526U (en) * | 2019-12-12 | 2020-08-18 | 襄阳誉德智能科技有限公司 | Novel brick machine is embraced in loading |
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| CN214780382U (en) * | 2021-04-19 | 2021-11-19 | 江苏和润智能装备有限公司 | Counterweight telescopic working arm |
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