Stable steel structural part hoisting device

Abstract

A stable steel structural part hoisting and conveying device comprises a crane body, a hoisting and conveying assembly is hooked on the crane body and comprises a first bearing plate, second bearing plates are arranged at the two ends of the first bearing plate, symmetrical connecting rods are fixed to the inner ends of the second bearing plates, first sliding grooves corresponding to the connecting rods are formed in the first bearing plate, and second sliding grooves corresponding to the connecting rods are formed in the second bearing plate. Locking devices used for locking the positions of the connecting rods are arranged on the two sides of the first bearing plate. The locking device comprises a locking screw in threaded connection with the connecting rod, a first strip-shaped hole is formed in the side face of the first bearing plate, first protection devices are arranged on the two sides of the first bearing plate, and second strip-shaped holes corresponding to the first strip-shaped hole are formed in the lower portions of the first protection devices. The outer end of the locking screw sequentially penetrates through the first strip-shaped hole and the second strip-shaped hole and is in threaded connection with a locking nut. A second protection device is detachably fixed to the top of the first protection device, and a hooking part is arranged on the second protection device. The lifting device is convenient to adjust, and the lifting stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure lifting, in particular to a stable steel structure lifting device. Background Art

[0002] Steel structures are generally made of steel materials. Its main structure mainly includes three components: steel columns, steel beams, and steel trusses. These components are made of steel plates and steel sections, and are generally connected by bolts, welds, rivets, etc. These components are widely used in the construction of factories, bridges, towers, etc. During the installation of steel structures, they need to be lifted by cranes. Steel structures are often placed on lifting and transportation devices for easy lifting. However, the commonly used lifting and transportation devices are simple in structure and generally have average stability.

[0003] The patent publication number is CN221607573U, and the patent name is "A Steel Structure Lifting and Transportation Device". The technical solution disclosed in the patent improves the flexibility and stability of the lifting device. However, during use, the length of the load-bearing plate is not easy to adjust, making it difficult to support different parts of the steel structure, and its adaptability is average. Utility Model Content

[0004] The purpose of the utility model is to provide a stable steel structure lifting device that is easy to adjust, can support different parts of the steel structure, and improve the stability of the lifting.

[0005] The technical solution adopted by this utility model is:

[0006] A stable steel structure lifting device includes a crane body, a lifting and transporting assembly is hooked on the crane body, the lifting and transporting assembly includes a first load-bearing plate, a second load-bearing plate is provided at both ends of the first load-bearing plate, a symmetrical connecting rod is fixed to the inner end of the second load-bearing plate, a first sliding groove corresponding to the connecting rod is provided on the first load-bearing plate, and locking devices for locking the position of the connecting rod are provided on both sides of the first load-bearing plate; the locking device includes a locking screw threadedly connected to the connecting rod, a first strip hole is provided on the side of the first load-bearing plate, a first protective device is provided on both sides of the first load-bearing plate, a second strip hole corresponding to the first strip hole is provided at the lower part of the first protective device, the outer end of the locking screw passes through the corresponding first strip hole and second strip hole in sequence and is threadedly connected with a locking nut; the top of the first protective device is detachably fixed with the second protective device, and the second protective device is provided with a hook portion.

[0007] Furthermore, the first protection device includes a side bracket in the shape of a U-shaped U-shaped side bracket, and the second strip-shaped hole is arranged at the lower part of the side bracket.

[0008] Furthermore, a plug-in column is fixed on the inner side of the side bracket, and a plug-in groove corresponding to the plug-in column is provided on the first load-bearing plate.

[0009] Furthermore, a plurality of spaced horizontal rods are fixed in the side bracket.

[0010] Furthermore, a U-shaped assembly frame is fixed on the top of the first protective device, and the opening of the assembly frame points to one of the second load-bearing plates; the second protective device includes an assembly rod that can be detachably fixed in the assembly frame, and the hook portion can be detachably fixed at the top position in the middle of the assembly rod.

[0011] Furthermore, the crane body includes a door-shaped lifting frame, the lifting frame includes a top beam, a lifting device cooperating with the hook portion is installed on the top beam, legs are detachably fixed at both ends of the top beam, a bottom beam is detachably fixed at the bottom of the legs, and a walking mechanism is installed on the bottom beam; a balance rod that can move up and down is provided between the two legs, and a through hole corresponding to the balance rod is provided in the middle of the assembly rod.

[0012] Furthermore, a vertical second sliding groove is provided on the inner side of the support leg, and a sliding rod is slidably connected in the second sliding groove. One end of the sliding rod extends to the outside of the second sliding groove and is fixed with a second connecting plate; the balance rod passes through the assembly rod, and both ends of the balance rod extend to the outside of the assembly rod and are fixed with a first connecting plate. The first connecting plate and the second connecting plate are detachably fixedly connected by bolts.

[0013] Furthermore, the assembly rod is arranged in the assembly frame, the assembly frame is threadedly connected with an assembly bolt, and the assembly rod is provided with a threaded hole corresponding to the assembly bolt.

[0014] Furthermore, the hooking portion includes a fixing block detachably fixed to the top of the assembly frame, and a hooking ring is fixed to the top of the fixing block.

[0015] Furthermore, anti-slip pads are detachably fixed on the tops of the first load-bearing plate and the second load-bearing plate.

[0016] The beneficial effects of the utility model are:

[0017] (1) The lifting and transporting assembly includes a first load-bearing plate and a second load-bearing plate, which are used to better provide support. By adjusting the position of the connecting rod in the first sliding groove, the position of the second load-bearing plate can be adjusted, which is convenient for supporting different parts of the steel structure, improving the supporting effect and improving the stability of the lifting.

[0018] (2) The locking device includes a locking screw threadedly connected to the connecting rod, the outer end of the locking screw passes through the corresponding first strip hole and second strip hole in sequence and is threadedly connected to a locking nut, which can be used to lock the position of the connecting rod in the first sliding groove and also to detachably fix the first protective device to the side of the first load-bearing plate.

[0019] (3) The first protective device is used to shield and protect the side of the steel structure, and the second protective device is used to shield and protect the top of the steel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a structural diagram of the lifting and transporting components and the balance bar;

[0022] Figure 3 It is a structural diagram of the lifting and transportation components;

[0023] Figure 4 Schematic diagram of the partial structure of the lifting and transportation component (I);

[0024] Figure 5 Schematic diagram of the partial structure of the lifting and transportation components (II);

[0025] Figure 6 Schematic diagram of the local structure of the support leg.

[0026] In the figure: 1-walking mechanism, 2-bottom beam, 3-support leg, 4-slide bar, 5-top beam, 6-trolley track, 7-lifting device, 8-hook, 9-lifting and transporting assembly, 10-balance bar, 11-first connecting plate, 12-second connecting plate, 13-second sliding groove, 14-assembly rod, 15-assembly frame, 16-hook part, 17-hook ring, 18-fixing block, 19-first protective device, 20-anti-slip pad, 21-second load-bearing plate, 22-locking nut, 23-locking screw, 24-connecting rod, 25-plug-in column, 26-first load-bearing plate, 27-side bracket, 28-horizontal rod, 29-second strip hole, 30-plug-in groove, 31-first strip hole, 32-assembly bolt. DETAILED DESCRIPTION

[0027] like Figures 1-6As shown, a stable steel structure lifting device includes a crane body, a lifting and transporting assembly 9 is hooked on the crane body, the lifting and transporting assembly 9 is used to place the steel structure with lifting, the crane body can hook the lifting and transporting assembly 9 and lift it to a suitable position, the lifting and transporting assembly 9 includes a first load-bearing plate 26, two ends of the first load-bearing plate 26 are provided with a second load-bearing plate 21, the inner end of the second load-bearing plate 21 is fixed with a symmetrical connecting rod 24, the first load-bearing plate 26 is provided with a first sliding groove corresponding to the connecting rod 24, the connecting rod 24 is arranged in the corresponding first sliding groove and can slide along the corresponding first sliding groove, and locking devices for locking the position of the connecting rod 24 are provided on both sides of the first load-bearing plate 26; the locking device includes a locking screw 23 threadedly connected to the connecting rod 24 , which is convenient for installation and disassembly. A first strip hole 31 is provided on the side of the first bearing plate 26, and a first protective device 19 is provided on both sides of the first bearing plate 26 to block and protect the side of the steel structure. A second strip hole 29 corresponding to the first strip hole 31 is provided at the lower part of the first protective device 19. The outer end of the locking screw 23 passes through the corresponding first strip hole 31 and the second strip hole 29 in sequence and is threadedly connected with a locking nut 22. It can be used to lock the position of the connecting rod 24 in the first sliding groove, and can also detachably fix the first protective device 19 to the side of the first bearing plate 26; the top of the first protective device 19 is detachably fixed with a second protective device for blocking and protecting the top of the steel structure. A hook portion 16 is provided on the second protective device for easy hooking of the crane body.

[0028] The first protection device 19 includes a U-shaped side bracket 27 , and the second strip-shaped hole 29 is provided at the lower portion of the side bracket 27 .

[0029] To facilitate installation and disassembly, a plug-in column 25 is fixed on the inner side of the side bracket 27, and a plug-in groove 30 corresponding to the plug-in column 25 is provided on the first load-bearing plate 26. The plug-in column 25 is inserted into the corresponding plug-in groove 30. When the locking nut 22 is loosened and the position of the connecting rod 24 is adjusted, the side bracket 27 can also be set more stably on the side of the first load-bearing plate 26. After the position of the connecting rod 24 and the second load-bearing plate 21 is adjusted, tighten the locking nut 22 to lock the position of the connecting rod 24 and the side bracket 27.

[0030] In order to increase the strength of the side bracket 27 , a number of spaced horizontal rods 28 are fixed inside the side bracket 27 . When ropes are needed to further fix the steel structure, the ropes can also be fixed to the corresponding horizontal rods 28 .

[0031] To facilitate installation and disassembly, a U-shaped assembly frame 15 is fixed to the top of the first protective device 19, and the opening of the assembly frame 15 points to one of the second load-bearing plates 21; the second protective device includes an assembly rod 14 that can be removably fixed in the assembly frame 15, and the hook portion 16 can be removably fixed at the top position in the middle of the assembly rod 14.

[0032] In order to increase the stability of the lifting, the crane body includes a door-shaped lifting frame, which includes a top beam 5. A lifting device 7 is installed on the top beam 5 to cooperate with the hook portion 16. The lifting device 7 can be a conventional lifting equipment such as an electric hoist. A trolley that can move left and right is installed on the electric hoist. A trolley track 6 is set on the top beam 5 to facilitate the left and right movement of the electric hoist. The two ends of the top beam 5 are detachably fixed with support legs 3. The bottom of the support legs 3 is detachably fixed with a bottom beam 2. A walking mechanism 1 is installed on the bottom beam 2. The walking mechanism 1 includes a trolley. Wheels. In order to improve the degree of automation of the crane body, a drive motor for driving the wheels can be installed on the bottom beam 2 to facilitate lifting the steel structure to the destination. This is a prior art and will not be described in detail here. The crane body preferably uses a simple gantry crane for easy lifting; a balance bar 10 that can move up and down is provided between the two legs 3 to balance the load, and a through hole corresponding to the balance bar 10 is provided in the middle of the assembly rod 14. During the lifting process, the shaking caused by weather or operation is reduced, thereby improving the stability of the lifting.

[0033] To facilitate the up and down movement of the balancing pole 10, a vertical second sliding groove 13 is provided on the inner side of the support leg 3, and the sliding rod 4 is slidably connected in the second sliding groove 13. One end of the sliding rod 4 extends to the outside of the second sliding groove 13 and is fixed with a second connecting plate 12; the balancing pole 10 passes through the assembly rod 14, and both ends of the balancing pole 10 extend to the outside of the assembly rod 14 and are fixed with a first connecting plate 11. The first connecting plate 11 and the second connecting plate 12 are detachably fixedly connected by bolts, which is convenient for installation and disassembly.

[0034] To facilitate the installation and disassembly of the assembly rod 14, the assembly rod 14 is arranged in the assembly frame 15, and the assembly frame 15 is threadedly connected with an assembly bolt 32. The assembly rod 14 is provided with a threaded hole corresponding to the assembly bolt 32, and the threaded hole is a through hole. During the lifting process, when it is necessary to lock the position of the assembly rod 14 on the balance pole 10, an appropriately longer assembly bolt 32 can be selected so that the inner end of the assembly bolt 32 is tightened against the balance pole 10.

[0035] To facilitate installation and removal of the hook portion 16 , the hook portion 16 includes a fixing block 18 detachably fixed to the top of the assembly frame 15 , and a hook ring 17 is fixed to the top of the fixing block 18 .

[0036] To prevent slipping, anti-slip pads 20 are detachably fixed on the top of the first load-bearing plate 26 and the second load-bearing plate 21. Silicone pads can be used, which can prevent slipping and provide protection.

[0037] During use, according to the structure of the steel structure, loosen the locking nut 22, pull the second load-bearing plate 21 outward, and the connecting rod 24 slides along the corresponding first sliding groove. After the second load-bearing plate 21 is adjusted to the appropriate position, tighten the locking nut 22, place the steel structure to be lifted on the first load-bearing plate 26 and the second load-bearing plate 21, and push the crane body toward the lifting and transporting component 9. An assembly rod 14 is provided on the balance rod 10 of the crane body. Slide the assembly rod 14 from the opening of the assembly frame 15 into the assembly frame 15, and then fix the assembly rod 14 in the assembly frame 15 by bolts. Hook the hook 8 of the lifting device 7 on the hook ring 17. After lifting it to the appropriate position, the walking mechanism 1 of the crane body works to lift it to the destination.

[0038] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the scope of protection of the present invention.

Claims

1. A stable steel structure lifting device, comprising a crane body, a lifting and transporting assembly hooked on the crane body, characterized in that: The lifting and transportation component includes a first bearing plate. Second bearing plates are provided at both ends of the first bearing plate. Symmetrical connecting rods are fixed to the inner ends of the second bearing plates. First sliding grooves corresponding to the connecting rods are provided on the first bearing plate. Locking devices for locking the positions of the connecting rods are provided on both sides of the first bearing plate. The locking device includes a locking screw threadedly connected to the connecting rod. A first strip-shaped hole is provided on the side surface of the first bearing plate. First protection devices are provided on both sides of the first bearing plate. A second strip-shaped hole corresponding to the first strip-shaped hole is provided at the lower part of the first protection device. The outer end of the locking screw sequentially passes through the corresponding first strip-shaped hole and the second strip-shaped hole and is threadedly connected with a locking nut. A second protection device is detachably fixed to the top of the first protection device. A hanging portion is provided on the second protection device.

2. The stable steel structure lifting device according to claim 1, characterized in that: The first protection device includes a side bracket in a rectangular shape with a loop. The second strip-shaped hole is provided at the lower part of the side bracket.

3. The stable steel structure lifting device according to claim 2, characterized in that: Insertion columns are fixed to the inner side of the side bracket. Insertion grooves corresponding to the insertion columns are provided on the first bearing plate.

4. The stable steel structure lifting device according to claim 2, characterized in that: A number of spaced horizontal rods are fixed inside the side bracket.

5. The stable steel structure lifting device according to claim 1, characterized in that: An assembly frame in a U shape is fixed to the top of the first protection device. The opening of the assembly frame points to one of the second bearing plates. The second protection device includes an assembly rod detachably fixed inside the assembly frame. The hanging portion is detachably fixed to the top position in the middle of the assembly rod.

6. The stable steel structure lifting device according to claim 5, characterized in that: The crane body includes a lifting frame in a door shape. The lifting frame includes a top beam. A lifting device cooperating with the hanging portion is installed on the top beam. Legs are detachably fixed to both ends of the top beam. A bottom beam is detachably fixed to the bottom of the legs. A traveling mechanism is installed on the bottom beam. A balance rod capable of moving up and down is provided between the two legs. A through hole corresponding to the balance rod is provided in the middle of the assembly rod.

7. The stable steel structure lifting device according to claim 6, characterized in that: Vertical second sliding grooves are provided inside the legs. A sliding rod is slidably connected in the second sliding groove. One end of the sliding rod extends outside the second sliding groove and is fixed with a second connecting plate. The balance rod passes through the assembly rod. Both ends of the balance rod extend outside the assembly rod and are fixed with a first connecting plate. The first connecting plate and the second connecting plate are detachably fixedly connected by bolts.

8. The stable steel structure lifting device according to claim 5, characterized in that: The assembly rod is arranged inside the assembly frame. An assembly bolt is threadedly connected to the assembly frame. A threaded hole corresponding to the assembly bolt is provided on the assembly rod.

9. The stable steel structure lifting device according to claim 5, characterized in that: The hanging portion includes a fixed block detachably fixed to the top of the assembly frame. A hanging ring is fixed to the top of the fixed block.

10. The stable steel structure lifting device according to claim 1, characterized in that: Anti-slip pads are detachably fixed to the tops of the first bearing plate and the second bearing plates.

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