CN114148895A

CN114148895A - Structural tube hoisting device for ocean engineering

Info

Publication number: CN114148895A
Application number: CN202111426862.7A
Authority: CN
Inventors: 刘欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-28
Filing date: 2021-11-28
Publication date: 2022-03-08

Abstract

The invention discloses a structural pipe hoisting device for ocean engineering, which relates to the technical field of pipe fitting hoisting devices and comprises a tower crane cantilever, wherein a driving part for hoisting a structural pipe is arranged at the bottom of the tower crane cantilever, three winding drums are arranged on the driving part in parallel, two safety cables are arranged on the three winding drums, three automatic pipe fitting clamping parts for stably clamping the pipe fitting are arranged at the bottom ends of the six safety cables, and a rope mounting part for conveniently dismounting the safety cables is arranged on the safety cables. According to the invention, when clamping is required, the hanging process is stable and reliable, meanwhile, the safety cable can be adjusted according to the specification and the number of the pipe fittings, the shaking of the pipe fittings in the air due to transfer can be reduced to the maximum extent, the occurrence probability of pipe fitting damage and safety accidents caused by falling of the pipe fittings is reduced, and the safety of the structural pipe hanging device for ocean engineering is improved.

Description

Structural tube hoisting device for ocean engineering

Technical Field

The invention relates to the technical field of pipe fitting hoisting devices, in particular to a structural pipe hoisting device for ocean engineering.

Background

The ocean engineering aims at developing, utilizing, protecting and recovering ocean resources, and the engineering main body is positioned in newly-built, reconstructed and expanded engineering from a coastline to one side of the sea and generally comprises two parts of a resource development technology and an equipment facility technology, a large number of structural pipes are commonly used in the ocean engineering to construct an infrastructure, the structural pipes are generally structural steel pipes and are divided into hot-rolled seamless steel pipes and welded steel pipes, and a hoisting device is commonly used in the ocean engineering construction process to transfer and transport structural pipe fittings.

The existing pipe fitting hoisting device is generally used for transferring a lifting hook on a binding rope of a structural pipe by using a crane, but in the hoisting mode, the structural pipe and a tower crane cantilever are single-point stressed, so that the structural pipe and the tower crane cantilever are not uniformly stressed, safety measures are lacked, the pipe fitting is easily separated or the hanging rope is easily connected and broken with the tower crane cantilever, and the pipe fitting is damaged and a safety accident is caused.

Disclosure of Invention

An object of the application is to provide a structural tube hoisting device for ocean engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a marine engineering is with structure pipe hoisting device, includes the tower crane cantilever, the drive division that is used for hoisting the structure pipe is installed to the bottom of tower crane cantilever, all install three winding reel on the drive division, it is three winding reel parallel arrangement, it is three all install two safety cables, six on the winding reel the bottom of safety cable is provided with the three automatic clamping part of pipe fitting that is used for stabilizing the centre gripping pipe fitting, install on the safety cable and be used for convenient the dismantlement the rope installation department of safety cable, the rope installation department with the automatic clamping part of pipe fitting the winding reel is connected.

Borrow by above-mentioned structure, when needing the centre gripping, can make three winding reel rotate through the drive division, and then make six safety cables rolling, thereby make three automatic clamping parts of three pipe fitting to carry out three point centre gripping of pipe fitting, make the process of hanging stable and reliable, can adjust according to the specification and the quantity of pipe fitting simultaneously, the safety cable can furthest reduce the pipe fitting when unsettled because of transporting the rocking that produces, reduce the pipe fitting and drop and lead to the emergence probability of pipe fitting damage and incident, the security that has increased the structure pipe hoisting device for ocean engineering.

Preferably, the drive division includes fixed mounting in the fixing base and two side claw slide rails of tower crane cantilever bottom, two equal sliding connection has the sliding seat and distributes on the side claw slide rail the both sides of fixing base, the tower crane cantilever and two equal fixedly connected with two reel supports in bottom of sliding seat, it is three all rotate on the reel support and be connected with the winding pivot, be located the threely of homonymy equal fixedly connected with hoisting motor in reel support one side is located the homonymy winding pivot one end with hoisting motor's output drive is connected, and is three the winding reel is fixed cup joint respectively threely in the winding pivot.

Further, through the fixing base, the side claw slide rail, the sliding seat, the reel support, the winding pivot, hoisting motor's setting, it is rotatory to make hoisting motor accessible drive winding pivot drive winding reel, thereby make the safety cable winding on winding reel, thereby realize hoisting and putting down the structure pipe, thereby realize the hoist and mount transportation of pipe fitting, the side claw slide rail, the sliding seat can mutually support the reel support and the winding reel that drive both sides and remove, thereby can adjust according to the length of structure pipe, improve device's application scope.

Preferably, the automatic pipe clamping part comprises three hanging fixed frames arranged at the bottom ends of six safety cables, the three hanging fixed frames are internally and respectively and rotatably connected with two clamping rotating shafts, two ends of each clamping rotating shaft are respectively and fixedly sleeved with a steering sleeve rod, the bottom ends of the steering sleeve rods positioned at two same sides of the center are fixedly connected with the same central clamping claw, the bottom ends of the steering sleeve rods positioned at two same sides of the center are fixedly connected with the same side clamping claw, two clamping rotating shafts positioned at the center are respectively and fixedly sleeved with a clamping gear, the two clamping gears are meshed with each other, a clamping motor is fixedly connected onto the side wall of the hanging fixed frame positioned at the center, one end of one clamping rotating shaft is in driving connection with the output end of the clamping motor, and the central clamping claw and the side clamping claws are respectively provided with an extending clamping unit, be located the homonymy center gripper jaw and two install same linkage unit on the side gripper jaw, it is three hang the top of fixed frame and install same roll adjustment unit, the rope installation department with hang fixed frame and be connected, be located two of homonymy a plurality of transverse connection cable of fixedly connected with between the insurance cable.

Furthermore, through the arrangement of the transverse connecting cable, the hanging fixed frame, the clamping rotating shaft, the steering loop bar, the central clamping claw, the side clamping claws, the clamping gear and the clamping motor, the clamping motor drives the steering loop bar to rotate, the clamping rotating shaft is driven to rotate through the meshed clamping gear, so that the central clamping claw is driven by the steering loop bar to clamp the pipe fitting, at the moment, the central clamping claw drives the side clamping claws at two sides to simultaneously clamp two ends of the pipe fitting through the linkage unit, thereby taking two ends and the central position of the pipe fitting as suspension points to hoist the pipe fitting, the hanging process is stable and reliable, automatic hanging can be realized without manually installing a hook, in the hanging process, the three-point clamping mode can prevent the pipe fitting from being separated due to uneven stress in the transferring process, and the hanging fixed frames at two sides and the side clamping claws can be driven to move by the distance adjusting unit, so that the side clamping claws at two sides can be adjusted according to the length of the pipe fitting to be transferred, thereby improved this hoist device fixture's application scope, be convenient for deal with multiple transportation condition, transverse connection cable also can continue to provide the suspension holding power when the sub-thread safety rope breaks off for the safety rope provides stronger structural stability, reduces the pipe fitting and drops the emergence probability that leads to pipe fitting damage and incident.

Preferably, the extension clamping unit comprises a central clamping claw and an arc-shaped sliding groove formed in the bottom of the side clamping claw, an extension auxiliary claw is connected in the arc-shaped sliding groove in a sliding mode, an arc-shaped limiting sliding hole is formed in the inner wall of the arc-shaped sliding groove, two spring limiting buttons are fixedly connected to the side wall of the extension auxiliary claw, and the spring limiting buttons are located in the arc-shaped limiting sliding hole.

Further, through the arc spout, extend vice claw, the spacing slide opening of arc, the setting of spring limit button for during the centre gripping pipe fitting, the accessible is pressed spring limit button and is relieved spacing messenger and extend vice claw roll-off, can will extend vice claw spacing when spring limit button pops out again, thereby increase the centre gripping span of both sides center gripper jaw or side gripper jaw, the structure pipe fitting of the different internal diameters of adaptation or quantity of being convenient for is tied, thereby further improve this hoist device fixture's application scope.

Preferably, the linkage unit comprises a linkage sliding seat fixedly connected to the side wall of the central clamping jaw, two linkage sliding holes are formed in the side wall of the linkage sliding seat, linkage sliding rods are fixedly connected to the side wall of the side clamping jaw, and the linkage sliding rods are arranged in a staggered mode and penetrate through the two linkage sliding holes respectively.

Furthermore, through the arrangement of the linkage sliding seat, the linkage sliding rods and the linkage sliding holes, when the central clamping jaw turns to the clamping, the central clamping jaw can drive the side clamping jaws on two sides to clamp two ends of a pipe fitting simultaneously through the linkage sliding seat and the linkage sliding rods, so that three-point clamping is realized, the two linkage sliding rods on the same side are arranged in a staggered mode, and therefore the side clamping jaws on two sides cannot be affected during distance adjustment.

Preferably, the roll adjustment unit includes fixed connection in hang the fixed platform at fixed frame top, be located the center the roll adjustment pneumatic cylinder at fixed platform top, the both sides of roll adjustment pneumatic cylinder all the drive be connected with the roll adjustment hydraulic stem, the flexible end fixedly connected with roll adjustment connecting rod of roll adjustment hydraulic stem, two the one end difference fixed connection of roll adjustment connecting rod is two be located both sides fixed platform's top.

Further, through the setting of fixed platform, roll adjustment pneumatic cylinder, roll adjustment hydraulic stem, roll adjustment connecting rod for the roll adjustment pneumatic cylinder can be flexible through the drive roll adjustment hydraulic stem, drives the fixed frame that hangs of both sides through the roll adjustment connecting rod and removes, thereby can adjust according to the length of waiting to transport the pipe fitting, thereby improves this hoist device fixture's application scope, is convenient for deal with multiple transportation condition.

Preferably, the rope installation department is top installation unit and bottom installation unit, top installation unit include fixed connection in the installation ejector pin at safety cable top, the top of installation ejector pin is rotated and has been cup jointed and is rotated the sleeve, a plurality of dead levers of fixedly connected with on the telescopic lateral wall of rotation, it is a plurality of the same arc pothook of top fixedly connected with of dead lever, the installation perforation has been seted up on the lateral wall of winding reel, the arc draw-in groove has all been seted up on the fenestrate both sides inner wall of installation, the arc draw-in groove with arc pothook looks adaptation, bottom installation unit with hang fixed frame and be connected.

Further, through the setting of installation ejector pin, rotation sleeve, dead lever, arc pothook, arc draw-in groove for when installing the safety cable, at first pass the installation perforation on the winding reel with the installation ejector pin and the arc pothook on safety cable top, rotatory rotation sleeve drives the arc pothook through the dead lever and rotates ninety degrees and arc draw-in groove corresponding again, then loosens the safety cable and makes the arc pothook block under the action of gravity provide the suspension holding power for the safety cable in the arc draw-in groove, the quick dismantlement on safety cable top of being convenient for.

Preferably, a plurality of first reverse-insertion anti-drop plates are fixedly connected to the side walls of the central clamping claw and the side clamping claws, and a second reverse-insertion anti-drop plate is fixedly connected to the bottom of the extension auxiliary claw.

Further, through first fall-plug anticreep board, the setting of second fall-plug anticreep board, make when the centre gripping pipe fitting, central gripper jaw, a plurality of first fall-plug anticreep boards on the side gripper jaw lateral wall and the second that is located the extension vice claw bottom fall-plug anticreep board can be along with the clamp of pipe fitting tightly, insert in the gap between the structure pipe fitting of bundling, thereby be central gripper jaw under the action of gravity, the side gripper jaw provides the grabbing power, when further preventing to transport, the pipe fitting is from central gripper jaw, drop on the side between the gripper jaw, thereby improve the stability when this hoist device transports again, the security of pipe fitting hoist and mount transportation has been ensured, avoid the emergence of incident.

Preferably, the bottom mounting unit comprises a mounting bottom rod fixedly connected to the bottom end of the safety cable, a suspension cross rod is fixedly connected to the bottom end of the mounting bottom rod, an L-shaped suspension groove is formed in the side wall of the suspension fixing frame and matched with the suspension cross rod, a bottom rod passing groove is formed in the inner wall of the top of the L-shaped suspension groove, and the bottom rod passing groove corresponds to the mounting bottom rod.

Further, through the installation sill bar, hang horizontal pole, L shape and hang the groove, the sill bar passes through the setting in groove for to install the sill bar, hang the horizontal pole and push into the sill bar respectively and hang the inslot through groove and L shape, make and hang the horizontal pole and hug closely the top inner wall that L shape hung the groove under the action of gravity, for the pipe fitting provides the suspension holding power, can realize the quick assembly disassembly of safety cable, provide convenience for the daily maintenance and the change of safety cable.

In conclusion, the technical effects and advantages of the invention are as follows:

1. according to the invention, three-point clamping can prevent the pipe fittings from being separated due to uneven stress in the transfer process, at least two safety cables are arranged at the top of each hanging and fixing frame, the shaking of the pipe fittings can be reduced, a plurality of transverse connecting cables are connected between the two safety cables positioned on the same side, the transverse connecting cables can provide stronger structural stability for the safety cables, and meanwhile, the hanging and supporting force can be continuously provided when the single safety cables are broken, so that safety measures are provided, and safety accidents are avoided.

2. According to the pipe fitting hoisting device, when a pipe fitting is clamped, the steering sleeve rod is driven to rotate by the clamping motor, the clamping rotating shaft is driven to rotate by the meshed clamping gear, so that the central clamping claw is driven by the steering sleeve rod to clamp the pipe fitting, at the moment, the central clamping claw drives the side clamping claws on two sides to simultaneously clamp two ends of the pipe fitting through the linkage sliding seat and the linkage sliding rod, the two ends and the central position of the pipe fitting are used as hanging points, the pipe fitting is hoisted, the hoisting process is stable and reliable, and automatic hoisting can be achieved without manually installing a hook.

3. According to the pipe fitting clamping mechanism, when a pipe fitting is clamped, the auxiliary claws can slide out, the clamping span of the central clamping claws or the side clamping claws at two sides is increased, the pipe fitting bundle with different inner diameters or quantities can be conveniently adapted, meanwhile, the distance adjusting hydraulic cylinder can drive the hanging fixing frames and the side clamping claws at two sides to move, so that the side clamping claws at two sides can be adjusted according to the length of the pipe fitting to be transferred, the application range of the clamping mechanism of the hoisting device is expanded, and various transfer conditions can be conveniently handled.

4. According to the pipe fitting clamping device, when a pipe fitting is clamped, the central clamping claw, the plurality of first reverse-insertion anti-falling plates on the side wall of the side clamping claw and the second reverse-insertion anti-falling plates positioned at the bottom of the extension auxiliary claw can be inserted into gaps among bundled structural pipe fittings, so that grabbing force is provided for the central clamping claw and the side clamping claws, the pipe fitting is further prevented from falling off, the stability of the lifting device during transportation is improved again, the safety of lifting and transporting the pipe fitting is guaranteed, and safety accidents are avoided.

5. According to the safety cable, when the safety cable is installed, the installation ejector rod and the arc-shaped clamping hook penetrate through the installation through hole, then the arc-shaped clamping hook is rotated to be clamped into the arc-shaped clamping groove to provide a suspension supporting force for the safety cable, then the installation bottom rod and the suspension cross rod are respectively pushed into the bottom rod passing groove and the L-shaped suspension groove, the suspension cross rod is enabled to be tightly attached to the inner wall of the top of the L-shaped suspension groove under the action of gravity, the suspension supporting force is provided for pipe fittings, the safety cable can be rapidly assembled and disassembled, and convenience is provided for daily overhaul and replacement of the safety cable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a hoisting device;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged perspective view of the arc-shaped hook and the safety cable;

FIG. 4 is an enlarged perspective view of the automatic clamping portion of the tube;

FIG. 5 is a schematic view of a matched enlarged three-dimensional structure of a central clamping claw and a hanging fixing frame;

FIG. 6 is a schematic view of a central clamping claw and a clamping motor in a matched enlarged three-dimensional structure;

FIG. 7 is a schematic view of a side clamping claw and a hanging fixing frame in a matched enlarged three-dimensional structure;

fig. 8 is a schematic view of a matched enlarged three-dimensional structure of the hanging cross bar and the safety cable.

Reference numerals: 1. a tower crane cantilever; 2. a fixed seat; 3. a side jaw slide rail; 4. a sliding seat; 5. a spool support; 6. winding the rotating shaft; 7. winding the reel; 8. a hoisting motor; 9. a safety cable; 10. a transverse connecting cable; 11. hanging a fixed frame; 12. clamping the rotating shaft; 13. a steering sleeve rod; 14. a central gripper jaw; 15. a side gripper jaw; 16. clamping the gear; 17. a clamping motor; 18. a linkage slide carriage; 19. linking the slide bars; 20. a fixed platform; 21. a distance-adjusting hydraulic cylinder; 22. a distance-adjusting hydraulic rod; 23. a distance adjusting connecting rod; 24. extending the auxiliary claw; 25. a spring limit button; 26. a first reverse-insertion anti-drop plate; 27. a second reverse-insertion anti-falling plate; 28. mounting a bottom rod; 29. hanging a cross bar; 30. an L-shaped suspension groove; 31. installing a mandril; 32. rotating the sleeve; 33. fixing the rod; 34. an arc-shaped hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-8, a structural tube hoisting device for ocean engineering, including tower crane cantilever 1, the drive division that is used for hoisting the structural tube is installed to the bottom of tower crane cantilever 1, all install three winding reel 7 on the drive division, three winding reel 7 parallel arrangement, all install two insurance cables 9 on the three winding reel 7, the bottom of six insurance cables 9 is provided with the automatic clamping part of three pipe fitting that is used for stabilizing the centre gripping pipe fitting, install the rope installation department that is used for conveniently dismantling insurance cable 9 on the insurance cable 9, the rope installation department is connected with the automatic clamping part of pipe fitting, winding reel 7.

Borrow by above-mentioned structure, when needing the centre gripping, can make three winding reel 7 rotate through the drive division, and then make six insurance cable 9 rolling, thereby make three automatic clamping part of pipe fitting carry out three point clamping to the pipe fitting, make the process of hanging stable and reliable, can adjust according to the specification and the quantity of pipe fitting simultaneously, insurance cable 9 can reduce the pipe fitting when unsettled because of transporting the rocking that produces furthest, reduce the pipe fitting and drop and lead to the emergence probability of pipe fitting damage and incident, the security that has increased the structure pipe hoist and mount device for ocean engineering.

As a preferred embodiment of this embodiment, as shown in fig. 1 and fig. 2, the driving portion includes a fixed seat 2 and two side claw slide rails 3 fixedly installed at the bottom of the tower crane cantilever 1, two side claw slide rails 3 are all slidably connected with a sliding seat 4 and are distributed on two sides of the fixed seat 2, two drum supports 5 are all fixedly connected with the bottom of the tower crane cantilever 1 and two sliding seats 4, three drum supports 5 are all rotatably connected with a winding rotating shaft 6, a lifting motor 8 is all fixedly connected with one side of three drum supports 5 on the same side, one end of the winding rotating shaft 6 on the same side is in driving connection with an output end of the lifting motor 8, and three winding drums 7 are respectively and fixedly sleeved on the three winding rotating shafts 6.

The hoisting motor 8 accessible drive winding pivot 6 is rotatory to drive winding reel 7 rotatory to make the insurance cable 9 winding on winding reel 7, thereby realize hoisting and putting down the structure pipe, thereby realize the hoist and mount transportation of pipe fitting, the reel support 5 and the winding reel 7 that the side claw slide rail 3, sliding seat 4 can mutually support and drive both sides move, thereby can adjust the application scope of high pressure heater unit according to the length of structure pipe.

As a preferred embodiment of this embodiment, as shown in fig. 4, the automatic pipe clamping portion includes three hanging fixed frames 11 disposed at the bottom ends of six safety cables 9, two clamping rotating shafts 12 are rotatably connected inside the three hanging fixed frames 11, two ends of each clamping rotating shaft 12 are fixedly sleeved with a steering loop bar 13, the bottom ends of two steering loop bars 13 located at the same side of the center are fixedly connected with a same center clamping claw 14, the bottom ends of two steering loop bars 13 located at the same side of the two sides are fixedly connected with a same side clamping claw 15, two clamping rotating shafts 12 located at the center are fixedly sleeved with clamping gears 16, the two clamping gears 16 are engaged with each other, a clamping motor 17 is fixedly connected to the side wall of the hanging fixed frame 11 located at the center, one end of one clamping rotating shaft 12 is drivingly connected to the output end of the clamping motor 17, and the center clamping claw 14, The extension clamping units are arranged on the side clamping claws 15, the same linkage unit is arranged on the center clamping claw 14 and the two side clamping claws 15 which are positioned on the same side, the same distance adjusting unit is arranged at the top of the three hanging fixed frames 11, the rope mounting part is connected with the hanging fixed frames 11, and a plurality of transverse connecting ropes 10 are fixedly connected between the two safety ropes 9 which are positioned on the same side.

The clamping motor 17 drives the steering sleeve rod 13 to rotate, the clamping rotating shaft 12 is driven to rotate through the meshed clamping gear 16, so that the central clamping jaw 14 is driven by the steering sleeve rod 13 to clamp the pipe fitting, at the moment, the central clamping jaw 14 drives the side clamping jaws 15 on two sides through the linkage unit to simultaneously clamp two ends of the pipe fitting, so that the two ends and the central position of the pipe fitting are taken as suspension points to hoist the pipe fitting, the hoisting process is stable and reliable, automatic hoisting can be realized without manually installing a hook, the pipe fitting can be prevented from being separated due to uneven stress in the transferring process in a three-point clamping mode in the hoisting process, the suspension fixing frames 11 and the side clamping jaws 15 on two sides can be driven by the distance adjusting unit to move, so that the side clamping jaws 15 on two sides can be adjusted according to the length of the pipe fitting to be transferred, the application range of the clamping mechanism of the hoisting device is improved, and various transferring conditions can be conveniently coped with, the transverse connecting cable 10 provides stronger structural stability for the safety cable 9, and meanwhile, the suspension supporting force can be continuously provided when the single-strand safety cable 9 is broken, so that the probability of occurrence of pipe damage and safety accidents caused by falling of the pipe is reduced.

In this embodiment, as shown in fig. 5 and 6, the extending and clamping unit includes an arc chute formed at the bottom of the central clamping jaw 14 and the side clamping jaw 15, an extending sub-jaw 24 is slidably connected to the arc chute, an arc-shaped limiting slide hole is formed on the inner wall of the arc chute, two spring limiting buttons 25 are fixedly connected to the side wall of the extending sub-jaw 24, and the spring limiting buttons 25 are located in the arc-shaped limiting slide hole.

When the pipe fitting is clamped, the auxiliary jaw 24 can slide out by releasing the limit by pressing the spring limit button 25, and the auxiliary jaw 24 can be limited by extending when the spring limit button 25 is popped out, so that the clamping span of the central clamping jaw 14 or the side clamping jaws 15 at two sides is increased, the pipe fitting bundles with different inner diameters or different quantities can be conveniently adapted, and the application range of the clamping mechanism of the hoisting device is further enlarged.

In this embodiment, as shown in fig. 4 and 5, the linkage unit includes a linkage sliding seat 18 fixedly connected to a side wall of the central clamping jaw 14, two linkage sliding holes are formed in the side wall of the linkage sliding seat 18, linkage sliding rods 19 are fixedly connected to side walls of the two side clamping jaws 15, and the two linkage sliding rods 19 are arranged in a staggered manner and respectively penetrate through the two linkage sliding holes.

When the central clamping jaw 14 turns to the clamping, the central clamping jaw 14 can drive the side clamping jaws 15 on both sides to simultaneously clamp two ends of a pipe through the linkage sliding seat 18 and the linkage sliding rod 19, so that three-point clamping is realized, and the two linkage sliding rods 19 on the same side are arranged in a staggered mode, so that the side clamping jaws 15 on both sides cannot be influenced during distance adjustment.

In this embodiment, as shown in fig. 4 and 5, the distance adjusting unit includes a fixed platform 20 fixedly connected to the top of the suspended fixed frame 11, a distance adjusting hydraulic cylinder 21 located at the top of the fixed platform 20 at the center, distance adjusting hydraulic rods 22 are respectively and drivingly connected to both sides of the distance adjusting hydraulic cylinder 21, a distance adjusting connecting rod 23 is fixedly connected to a telescopic end of each distance adjusting hydraulic rod 22, and one end of each distance adjusting connecting rod 23 is respectively and fixedly connected to the tops of two fixed platforms 20 located at both sides.

The roll adjustment pneumatic cylinder 21 can stretch out and draw back through drive roll adjustment hydraulic stem 22, drives the fixed frame 11 that hangs of both sides through roll adjustment connecting rod 23 and removes to can adjust according to the length of waiting to transport the pipe fitting, thereby improve this hoist device fixture's application scope, be convenient for deal with multiple transportation condition.

In this embodiment, as shown in fig. 2 and fig. 5, the rope installation part is top installation unit and bottom installation unit, top installation unit includes the installation ejector pin 31 of fixed connection in the safety cable 9 top, the top of installation ejector pin 31 is rotated and has been cup jointed and has been rotated sleeve 32, a plurality of dead levers 33 of fixedly connected with on the lateral wall of rotation sleeve 32, the same arc pothook 34 of top fixedly connected with of a plurality of dead levers 33, the installation perforation has been seted up on the lateral wall of winding reel 7, the arc draw-in groove has all been seted up on the both sides inner wall of installation perforation, arc draw-in groove and arc pothook 34 looks adaptation, bottom installation unit is connected with hanging fixed frame 11.

When the safety cable 9 is installed, firstly, the installation ejector rod 31 and the arc-shaped hook 34 at the top end of the safety cable 9 penetrate through the installation through hole on the winding drum 7, then the rotating sleeve 32 is rotated to drive the arc-shaped hook 34 to rotate for ninety degrees through the fixed rod 33 to correspond to the arc-shaped clamping groove, then the safety cable 9 is loosened to enable the arc-shaped hook 34 to be clamped into the arc-shaped clamping groove under the action of gravity to provide suspension supporting force for the safety cable 9, and the top end of the safety cable 9 can be conveniently and quickly detached.

In this embodiment, as shown in fig. 5 and 7, a plurality of first reverse-insertion preventing plates 26 are fixedly connected to the side walls of the central gripper jaw 14 and the side gripper jaws 15, and a second reverse-insertion preventing plate 27 is fixedly connected to the bottom of the extendable sub-jaw 24, so that the advantage of this arrangement is that, when clamping the pipe, the central clamping claw 14, the plurality of first reverse anti-dropping plates 26 on the side walls of the side clamping claws 15 and the second reverse anti-dropping plates 27 at the bottom of the extension auxiliary claws 24 are inserted into the gaps between the bundled structural pipes along with the clamping of the pipe, thereby providing grabbing force for the central gripper 14 and the side grippers 15 under the action of gravity, further preventing the pipe from falling off from the space between the central gripper 14 and the side grippers 15 during transfer, thereby improve the stability when this hoist device transports again, ensured the security that the pipe fitting hoist and mount was transported, avoid the emergence of incident.

In this embodiment, as shown in fig. 8, the bottom mounting unit includes a mounting bottom bar 28 fixedly connected to the bottom end of the safety cable 9, a hanging cross bar 29 is fixedly connected to the bottom end of the mounting bottom bar 28, an L-shaped hanging groove 30 is formed in a side wall of the hanging fixing frame 11, the L-shaped hanging groove 30 is adapted to the hanging cross bar 29, a bottom bar passing groove is formed in an inner wall of the top of the L-shaped hanging groove 30, and the bottom bar passing groove corresponds to the position of the mounting bottom bar 28.

The installation bottom rod 28 and the hanging cross rod 29 are respectively pushed into the bottom rod passing groove and the L-shaped hanging groove 30, so that the hanging cross rod 29 is tightly attached to the inner wall of the top of the L-shaped hanging groove 30 under the action of gravity, a hanging supporting force is provided for pipe fittings, the safety cable 9 can be quickly disassembled and assembled, and convenience is provided for daily maintenance and replacement of the safety cable 9.

The working principle of the invention is as follows: when the structural pipe hoisting device is used for clamping a pipe fitting, as shown in figure 1, a hoisting tower drives an automatic pipe fitting clamping part to move to a bundled structural pipe to be transported through a hoisting tower cantilever 1 and a safety cable 9, as shown in figures 4, 5 and 6, then a clamping motor 17 drives a steering sleeve rod 13 to rotate, a clamping rotating shaft 12 is driven to rotate through a clamping gear 16 which is meshed with the steering sleeve rod 13, so that a central clamping claw 14 is driven to clamp the pipe fitting through the steering sleeve rod 13, at the moment, the central clamping claw 14 drives side clamping claws 15 on two sides through a linkage sliding seat 18 and a linkage sliding rod 19 to simultaneously clamp two ends of the pipe fitting, and the two ends and the central position of the pipe fitting are used as suspension points to hoist the pipe fitting, the hoisting process is stable and reliable, and automatic hoisting can be realized without manually installing a hook.

When centre gripping pipe fitting, as shown in fig. 5, fig. 7, accessible press spring limit button 25 to relieve spacing messenger and extend vice claw 24 roll-off, it is spacing to extend vice claw 24 again when spring limit button 25 pops out, thereby increase the centre gripping span of both sides center gripper jaw 14 or side gripper jaw 15, the structure pipe fitting bundle of the different internal diameters of adaptation or quantity of being convenient for, simultaneously, roll adjustment pneumatic cylinder 21 can be flexible through drive roll adjustment hydraulic stem 22, drive the fixed frame 11 that hangs and the side gripper jaw 15 of both sides through roll adjustment connecting rod 23 and remove, thereby make the side gripper jaw 15 of both sides adjust according to the length of waiting to transport the pipe fitting, thereby improved this hoist device fixture's application scope, be convenient for deal with multiple transportation condition.

In the process of hanging, the mode of three point centre gripping can prevent that the pipe fitting from breaking away from because of the atress is uneven in the transportation, each hangs the top of fixed frame 11 and all is provided with two at least strands of safety cables 9, can furthest reduce the pipe fitting and shake because of transporting the production when unsettled, be connected with a plurality of transverse connection cable 10 between two strands of safety cables 9 that are located the homonymy, transverse connection cable 10 provides stronger structural stability for safety cable 9 in, also can continue to provide the suspension holding power when the fracture takes place for the single strand safety cable 9, reduce the pipe fitting and drop and lead to the emergence probability of pipe fitting damage and incident.

When centre gripping pipe fitting, as shown in fig. 5, fig. 7, center gripper jaw 14, a plurality of first fall-plug anticreep boards 26 on the side gripper jaw 15 lateral wall and be located the second fall-plug anticreep board 27 that extends vice claw 24 bottom can be along with the clamp of pipe fitting tightly, insert in the gap between the structure pipe fitting of bundling, thereby be center gripper jaw 14 under the action of gravity, side gripper jaw 15 provides the grabbing power, when further preventing to transport, the pipe fitting drops from between center gripper jaw 14, side gripper jaw 15, thereby improve the stability when this hoist device transports again, the security of pipe fitting hoist and mount transportation has been ensured, avoid the emergence of incident.

The safety cable 9, the winding drum 7 and the hanging fixing frame 11 are movably installed, as shown in figures 2, 3, 5 and 8, when the safety cable 9 is installed, firstly, the mounting ejector rod 31 and the arc-shaped hook 34 at the top end of the safety cable 9 pass through the mounting through hole on the winding drum 7, then the rotating sleeve 32 is rotated to drive the arc-shaped hook 34 to rotate ninety degrees through the fixed rod 33 to correspond to the arc-shaped slot, then the safety cable 9 is released to ensure that the arc-shaped hook 34 is clamped into the arc-shaped clamping groove under the action of gravity to provide a suspension supporting force for the safety cable 9, then the mounting bottom rod 28 and the hanging cross rod 29 are respectively pushed into the bottom rod passing groove and the L-shaped hanging groove 30, so that the hanging cross rod 29 is tightly attached to the inner wall of the top part of the L-shaped hanging groove 30 under the action of gravity to provide hanging supporting force for the pipe fittings, the safety cable 9 can be quickly disassembled and assembled, and convenience is brought to daily maintenance and replacement of the safety cable 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a structural tube hoisting device for ocean engineering, includes tower crane cantilever (1), its characterized in that: the bottom of tower crane cantilever (1) is installed and is used for hoisting the drive division of structural tube, all install three winding reel (7), it is three on the drive division winding reel (7) parallel arrangement, it is three all install two safety cables (9), six on winding reel (7) the bottom of safety cable (9) is provided with the three automatic clamping part of pipe fitting that is used for stabilizing the centre gripping pipe fitting, install on safety cable (9) and be used for convenient the dismantlement the rope installation department of safety cable (9), the rope installation department with the automatic clamping part of pipe fitting winding reel (7) are connected.

2. The structural pipe hoisting device for oceanographic engineering according to claim 1, wherein: drive division includes fixed mounting in fixing base (2) and two side claw slide rails (3) of tower crane cantilever (1) bottom, two equal sliding connection has sliding seat (4) and distributes on side claw slide rail (3) the both sides of fixing base (2), tower crane cantilever (1) and two equal fixedly connected with two reel support (5) in bottom of sliding seat (4), three all rotate on reel support (5) and be connected with winding pivot (6), be located the threely of homonymy the equal fixedly connected with hoisting motor (8) in reel support (5) one side is located the homonymy winding pivot (6) one end with the output drive of hoisting motor (8) is connected, and is three winding reel (7) are fixed cup joint respectively threely on winding pivot (6).

3. The structural pipe hoisting device for oceanographic engineering according to claim 1, wherein: the automatic clamping part of the pipe fitting comprises three suspended fixed frames (11) arranged at the bottom ends of six safety cables (9), the three suspended fixed frames (11) are respectively and rotatably connected with two clamping rotating shafts (12), two ends of each clamping rotating shaft (12) are respectively and fixedly sleeved with a steering loop bar (13), the bottom ends of the steering loop bars (13) positioned at two same sides of the center are respectively and fixedly connected with the same central clamping claw (14), the bottom ends of the steering loop bars (13) positioned at two same sides of the two sides are respectively and fixedly connected with the same side clamping claw (15), two clamping rotating shafts (12) positioned at the center are respectively and fixedly sleeved with a clamping gear (16), the two clamping gears (16) are meshed with each other, a clamping motor (17) is fixedly connected onto the side wall of the suspended fixed frame (11) positioned at the center, one end of one clamping rotating shaft (12) is in driving connection with the output end of the clamping motor (17), center gripper jaw (14) all install the extension centre gripping unit on side gripper jaw (15), be located the homonymy center gripper jaw (14) and two install same linkage unit on side gripper jaw (15), it is three the same roll adjustment unit is installed at the top of hanging fixed frame (11), the rope installation department with hang fixed frame (11) and be connected, be located two of homonymy a plurality of transverse connection cable (10) of fixedly connected with between insurance cable (9).

4. The structural pipe hoisting device for oceanographic engineering according to claim 3, wherein: extend the centre gripping unit including offering in center gripper jaw (14) side gripper jaw (15) bottom arc spout, sliding connection has the vice claw of extension (24) in the arc spout, the spacing slide opening of arc has been seted up on the inner wall of arc spout, two spring limit button (25) of fixedly connected with on the lateral wall of the vice claw of extension (24), spring limit button (25) are located in the spacing slide opening of arc.

5. The structural pipe hoisting device for oceanographic engineering according to claim 3, wherein: the linkage unit comprises a linkage sliding seat (18) fixedly connected to the side wall of the central clamping jaw (14), two linkage sliding holes are formed in the side wall of the linkage sliding seat (18), two linkage sliding rods (19) are fixedly connected to the side wall of the side clamping jaw (15), and the two linkage sliding rods (19) are arranged in a staggered mode and penetrate through the two linkage sliding holes respectively.

6. The structural pipe hoisting device for oceanographic engineering according to claim 3, wherein: the roll adjustment unit includes fixed connection in hang fixed platform (20) at fixed frame (11) top, be located the center the roll adjustment pneumatic cylinder (21) at fixed platform (20) top, the equal drive in both sides of roll adjustment pneumatic cylinder (21) is connected with roll adjustment hydraulic stem (22), the flexible end fixedly connected with roll adjustment connecting rod (23) of roll adjustment hydraulic stem (22), two the one end difference fixed connection of roll adjustment connecting rod (23) is two be located the top of fixed platform (20).

7. The structural pipe hoisting device for oceanographic engineering according to claim 3, wherein: the rope installation department is top installation unit and bottom installation unit, top installation unit include fixed connection in installation ejector pin (31) at safety cable (9) top, the top of installation ejector pin (31) is rotated and has been cup jointed and is rotated sleeve (32), a plurality of dead levers of fixedly connected with (33) are a plurality of on the lateral wall of rotation sleeve (32) the same arc pothook (34) of top fixedly connected with of dead lever (33), seted up the installation perforation on the lateral wall of winding reel (7), the arc draw-in groove has all been seted up on the both sides inner wall of installation perforation, the arc draw-in groove with arc pothook (34) looks adaptation, bottom installation unit with hang fixed frame (11) and be connected.

8. The structural pipe hoisting device for oceanographic engineering according to claim 4, wherein: the clamping device is characterized in that the side walls of the central clamping claw (14) and the side clamping claws (15) are fixedly connected with a plurality of first reverse-insertion anti-falling plates (26), and the bottom of the extension auxiliary claw (24) is fixedly connected with a second reverse-insertion anti-falling plate (27).

9. The structural pipe hoisting device for oceanographic engineering according to claim 7, wherein: the bottom installation unit comprises an installation bottom rod (28) fixedly connected to the bottom end of the safety cable (9), a hanging cross rod (29) is fixedly connected to the bottom end of the installation bottom rod (28), an L-shaped hanging groove (30) is formed in the side wall of the hanging fixing frame (11), the L-shaped hanging groove (30) is matched with the hanging cross rod (29), a bottom rod passing groove is formed in the inner wall of the top of the L-shaped hanging groove (30), and the bottom rod passing groove corresponds to the position of the installation bottom rod (28).