CN218893361U

CN218893361U - Assembled prefabricated plate hoist device

Info

Publication number: CN218893361U
Application number: CN202223002386.9U
Authority: CN
Inventors: 林云壮
Original assignee: Hainan Zhite New Material Co ltd
Current assignee: Hainan Zhite New Material Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-21
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses an assembled precast slab hoisting device, which belongs to the technical field of precast slab hoisting equipment and comprises a base plate, wherein two sliding grooves are formed in the base plate, sliding blocks are slidably arranged in the two sliding grooves, a moving assembly for driving the sliding blocks to move is arranged on the upper surface of the base plate, two mounting plates are fixedly arranged on the lower surface of the sliding blocks, a bidirectional screw rod is rotatably arranged between the two mounting plates, clamping plates are arranged on the outer surfaces of two sections of threads of the bidirectional screw rod in a threaded manner, supporting plates are fixedly arranged on the opposite surfaces of the two clamping plates, worm gears are fixedly arranged on the outer surfaces of the bidirectional screw rod, and a rotating shaft is rotatably arranged on the upper surface of the sliding block; need not trompil or pre-buried lifting hook on the prefabricated plate, avoid at the prefabricated plate because of the problem of stress concentration emergence fracture in-process of hoist and mount, can not lead to the fact the destruction to the structure of prefabricated plate, guaranteed the structural strength of prefabricated plate, easy operation, convenient to use.

Description

Assembled prefabricated plate hoist device

Technical Field

The utility model belongs to the technical field of precast slab hoisting equipment, and particularly relates to an assembled precast slab hoisting device.

Background

The prefabricated plate is a module or plate used for engineering, the prefabricated concrete member which is produced and formed in a prefabricated field is directly transported to a construction site for installation, the construction period can be effectively shortened, the construction cost is reduced, the assembly is convenient, and the like.

The existing hoisting device for the precast slabs mostly adopts a pre-installed lifting hook on the precast slabs or sets a threaded hole on the precast slabs to install the lifting hook through bolts to hoist, the structure of the precast slabs can be damaged in the two modes, the overall structural strength of the precast slabs is reduced, stress concentration is easy to generate at the hole opening part, and the precast slabs are easy to crack in the hoisting process.

Disclosure of Invention

The utility model aims to provide an assembled precast slab hoisting device, which solves the problems that in the prior art, the existing hoisting device for precast slabs mostly adopts a pre-installed lifting hook on a precast slab or a threaded hole is formed in the precast slab to install the lifting hook through a bolt for hoisting, the structure of the precast slab can be damaged in the two modes, the overall structural strength of the precast slab is reduced, stress concentration is easy to occur at a hole opening, and the precast slab is easy to crack in the hoisting process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an assembled prefabricated plate hoist device, includes the base plate, set up two spouts and two equal slidable mounting have the slider in the spout on the base plate, the upper surface of base plate is provided with the motion subassembly that is used for driving the slider motion, the lower surface fixed mounting of slider has two mounting panels, rotates between two mounting panels and installs two-way lead screw, the equal screw thread in the surface of two sections screw threads of two-way lead screw installs the grip block, two equal fixed mounting in opposite face of grip block has the backup pad, the surface fixed mounting of two-way lead screw has the worm wheel, the upper surface rotation of slider installs the pivot, the surface fixed mounting of pivot has the worm with worm wheel engaged with, the top of pivot extends to outside the slider and fixed mounting has, the upper surface of base plate is provided with coupling assembling.

By adopting the scheme, through setting up mounting panel, two-way lead screw, the pivot, the grip block, the worm wheel, the worm, the rotation knob drives the pivot and rotates, the pivot rotates and drives two-way lead screw through worm and worm wheel and rotate, two grip blocks and backup pad are close to each other to the prefabricated plate between two grip blocks is fixed in the centre gripping, need not trompil or pre-buried lifting hook on the prefabricated plate, avoids the problem of fracture because of stress concentration takes place at the prefabricated plate in the hoist and mount in-process, can not lead to the fact the destruction to the structure of prefabricated plate, guaranteed the structural strength of prefabricated plate, easy operation, convenient to use.

As a preferred implementation mode, the motion subassembly is including rotating two threaded rods of installing at the slider upper surface, and the sliding sleeve at the threaded rod surface is installed to the screw thread, the surface of sliding sleeve articulates there are two articulated poles, the other end of articulated pole articulates with the slider of homonymy mutually, two the equal fixed mounting of surface of threaded rod has the band pulley, two be provided with the belt between the band pulley and connect through belt drive, one of them the top fixed mounting of threaded rod has the hand wheel.

By adopting the scheme, the rotating hand wheel drives one of the threaded rods to rotate, one of the threaded rods rotates to drive the other threaded rod to rotate through the belt wheel and the belt, the threaded rod rotates to drive the sliding sleeve to move, and the sliding sleeve moves to drive the sliding blocks on two sides through the hinging rods on two sides, so that the distance between two groups of clamping plates can be adjusted, the prefabricated plates with different sizes can be clamped and fixed conveniently, the operation is simple, and the application range is wide.

As a preferred embodiment, the upper surface of the base plate is fixedly provided with a mounting frame, and the threaded rod is rotatably connected with the mounting frame.

By adopting the scheme, the threaded rod is supported by the installation frame, so that the stability of the threaded rod during rotation is improved.

As a preferred implementation mode, the connecting assembly comprises two steel wire ropes, lifting lugs are fixedly arranged at four corners of the upper surface of the base plate, and two ends of each steel wire rope are fixedly connected with two lifting lugs on the same side respectively.

By adopting the scheme, the two steel wire ropes are hung on the lifting hook of the crane, so that the hoisting of the precast slab can be completed, the stress of the base plate is uniform, and the inclination of the base plate caused by uneven stress is avoided.

As a preferable implementation mode, two sliding rods are fixedly arranged between the inner walls of the sliding grooves, and the sliding blocks are slidably arranged on the outer surfaces of the two sliding rods.

By adopting the scheme, the sliding rod is arranged to guide the movement of the sliding block, so that the stability of the movement of the sliding block is improved.

As a preferred embodiment, a guide rod is fixedly installed between the two mounting plates, and the two clamping plates slide on the outer surface of the guide rod.

By adopting the scheme, the guide rod is arranged to limit the movement of the clamping plate on the bidirectional screw rod, so that the clamping plate is prevented from moving and rotating in an offset manner when moving on the bidirectional screw rod, and the movement stability of the clamping plate is improved.

As a preferable implementation mode, the lower surface of the sliding block is fixedly provided with a supporting frame, and the bottom of the rotating shaft is rotationally connected with the supporting frame.

By adopting the scheme, the rotating shaft can be supported by the supporting frame, and the rotating stability of the rotating shaft is improved.

As a preferred embodiment, a plurality of anti-slip teeth are mounted on the opposite surfaces of the two clamping plates and the upper surfaces of the two supporting plates.

By adopting the scheme, the hoisting stability can be further improved.

Compared with the prior art, the utility model has the beneficial effects that:

according to the assembled precast slab hoisting device, the installation plate, the bidirectional screw rod, the rotating shaft, the clamping plates, the worm wheel, the worm, the guide rod, the connecting assembly and the anti-slip teeth are arranged, the rotating knob drives the rotating shaft to rotate, the rotating shaft drives the bidirectional screw rod to rotate through the worm and the worm wheel, the bidirectional screw rod is matched with the guide rod in a rotating mode to drive the two clamping plates and the support plate to be close to each other, so that the precast slabs between the two clamping plates are clamped and fixed, the anti-slip teeth can further improve the stability of clamping, then the two steel wire ropes are hung on the lifting hook of the crane, hoisting of the precast slabs can be completed, holes are not needed to be formed in the precast slabs or the lifting hook is not needed to be embedded, the problem that the precast slabs are cracked due to stress concentration in the hoisting process is avoided, the structure of the precast slabs is not damaged, the structural strength of the precast slabs is ensured, and the assembled precast slab hoisting device is simple to operate and convenient to use;

this assembled prefabricated plate hoist device is through setting up motion subassembly, rotates the hand wheel and drives one of them threaded rod and rotate, and one of them threaded rod rotates and drives another threaded rod through band pulley and belt and rotate, and the threaded rod rotates and drives the sliding sleeve motion, and the sliding sleeve motion drives the slider motion of both sides through the articulated rod of both sides and cooperation slide bar to can adjust the distance between two sets of grip blocks, be convenient for carry out the centre gripping to the prefabricated plate of equidimension not fixed, easy operation, application scope is wide.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a motion assembly according to the present utility model;

FIG. 3 is a schematic view of another angle structure of the slider of the present utility model;

fig. 4 is a schematic structural diagram of a connection assembly according to the present utility model.

In the figure: 1. a substrate; 2. a slide block; 3. a motion assembly; 301. a threaded rod; 302. a sliding sleeve; 303. a hinge rod; 304. a belt wheel; 305. a belt; 306. a hand wheel; 4. a mounting plate; 5. a two-way screw rod; 6. a clamping plate; 7. a support plate; 8. a worm wheel; 9. a connection assembly; 901. a wire rope; 902. lifting lugs; 10. a rotating shaft; 11. a worm; 12. a slide bar; 13. a guide rod; 14. a support frame; 15. anti-slip teeth; 16. a knob; 17. and (5) mounting a frame.

Detailed Description

Referring to fig. 1-4, the utility model provides an assembled precast slab hoisting device, which comprises a base plate 1, two sliding grooves are arranged on the base plate 1, a sliding block 2 is slidably arranged in each sliding groove, a moving component 3 for driving the sliding block 2 to move is arranged on the upper surface of the base plate 1, two mounting plates 4 are fixedly arranged on the lower surface of the sliding block 2, a bidirectional screw rod 5 is rotatably arranged between the two mounting plates 4, clamping plates 6 are fixedly arranged on the outer surfaces of two sections of threads of the bidirectional screw rod 5, supporting plates 7 are fixedly arranged on the opposite surfaces of the two clamping plates 6, a worm wheel 8 is fixedly arranged on the outer surface of the bidirectional screw rod 5, a rotating shaft 10 is rotatably arranged on the upper surface of the sliding block 2, a worm 11 meshed with the worm wheel 8 is fixedly arranged on the outer surface of the rotating shaft 10, the top end of the rotating shaft 10 extends out of the sliding block 2 and is fixedly arranged, a connecting component 9 is arranged on the upper surface of the base plate 1, the connecting component 9 comprises two steel wire ropes 901, lifting lugs 902 are fixedly arranged at four corners of the upper surface of the base plate 1, two ends of the steel wire ropes 901 are fixedly connected with the two lifting lugs 902 at the same side respectively, a rotating knob 16 drives a rotating shaft 10 to rotate, the rotating shaft 10 drives a bidirectional screw rod 5 to rotate through a worm 11 and a worm wheel 8, the bidirectional screw rod 5 rotates to drive two clamping plates 6 and a supporting plate 7 to approach each other, so that the precast slab between the two clamping plates 6 is clamped and fixed, anti-slip teeth 15 can further improve the stability of clamping, then the two steel wire ropes 901 are hung on a lifting hook of a crane to finish the lifting of the precast slab, holes or pre-buried lifting hooks are not required to be formed on the precast slab, the problem that the precast slab is cracked due to stress concentration in the lifting process is avoided, the structure of the precast slab is not damaged, the structural strength of the precast slab is ensured, the operation is simple and the use is convenient.

The motion assembly 3 comprises two threaded rods 301 which are rotatably arranged on the upper surface of the sliding block 2, a sliding sleeve 302 which is threadedly arranged on the outer surface of the threaded rods 301, two hinging rods 303 are hinged to the outer surface of the sliding sleeve 302, the other ends of the hinging rods 303 are hinged to the sliding block 2 on the same side, belt wheels 304 are fixedly arranged on the outer surfaces of the two threaded rods 301, a belt 305 is arranged between the two belt wheels 304 and is in transmission connection with the two belt wheels through the belt 305, a hand wheel 306 is fixedly arranged on the top end of one threaded rod 301, the hand wheel 306 rotates one threaded rod 301, the threaded rod 301 rotates to drive the other threaded rod 301 to rotate through the belt wheels 304 and the belt 305, the sliding sleeve 302 rotates to drive the sliding sleeve 302 to move, the sliding sleeve 302 moves to drive the sliding blocks 2 on the two sides through the hinging rods 303 on the two sides, and accordingly the distance between the two groups of clamping plates 6 can be adjusted, the prefabricated plates with different sizes can be clamped and fixed conveniently, and the operation is simple, and the application range is wide.

Wherein, the upper surface fixed mounting of base plate 1 has mounting bracket 17, and threaded rod 301 and mounting bracket 17 rotate to be connected, can improve the stability when threaded rod 301 rotates.

Two slide bars 12 are fixedly arranged between the inner walls of the slide grooves, the slide blocks 2 are slidably arranged on the outer surfaces of the two slide bars 12, the slide bars 12 can guide the movement of the slide blocks 2, and the stability of the movement of the slide blocks 2 is improved.

Wherein, fixed mounting has guide arm 13 between two mounting panels 4, and two grip blocks 6 all slide the surface at guide arm 13, and guide arm 13 can advance the direction spacing to the motion of grip block 6 on two-way lead screw 5, avoids grip block 6 to take place the skew rotation when moving on two-way lead screw 5, improves the stability of grip block 6 motion.

Wherein, the lower surface fixed mounting of slider 2 has support frame 14, and the bottom and the support frame 14 rotation of pivot 10 are connected, and support frame 14 can support pivot 10, improves pivot 10 pivoted stability.

Wherein, a plurality of anti-slip teeth 15 are arranged on the opposite surfaces of the two clamping plates 6 and the upper surfaces of the two supporting plates 7, so that the hoisting stability can be further improved.

When the device is used, the distance between two sliding blocks 2 is adjusted according to the size of a precast slab to be hoisted, the rotating hand wheel 306 drives one threaded rod 301 to rotate, one threaded rod 301 rotates to drive the other threaded rod 301 to rotate through the belt wheel 304 and the belt 305, the threaded rod 301 rotates to drive the sliding sleeve 302 to move, the sliding sleeve 302 moves to drive the sliding blocks 2 on two sides to move through the hinging rods 303 on two sides and the sliding rods 12, so that the distance between two groups of clamping plates 6 can be adjusted, precast slabs of different sizes can be clamped and fixed conveniently, then the rotating knob 16 drives the rotating shaft 10 to rotate, the rotating shaft 10 rotates to drive the bidirectional screw rod 5 to rotate through the worm 11 and the worm wheel 8, the bidirectional screw rod 5 rotates to drive the two clamping plates 6 and the supporting plate 7 to be close to each other, the precast slabs placed between the two clamping plates 6 are clamped and fixed, the anti-slip teeth 15 can further improve the stability of clamping, and then the hoisting of the precast slabs can be completed by hanging two steel wire ropes on the lifting hooks of a crane, the precast slabs without perforating or pre-embedding the lifting hooks on the crane, the precast slabs can be avoided, the problem that the precast slabs are cracked due to stress concentration in the hoisting process is avoided, the precast slab structure is not damaged, the precast slab structure is ensured, and the structure is simple, and the operation is convenient.

Claims

1. An assembled prefabricated plate hoist device, its characterized in that: including base plate (1), set up two spouts and in two spouts equal slidable mounting have slider (2) on base plate (1), the upper surface of base plate (1) is provided with and is used for driving slider (2) moving motion subassembly (3), the lower fixed surface of slider (2) installs two mounting panels (4), rotates between two mounting panels (4) and installs two-way lead screw (5), the equal screw thread of surface of two sections screw threads of two-way lead screw (5) installs grip block (6), two the equal fixed mounting of opposite face of grip block (6) has backup pad (7), the surface fixed mounting of two-way lead screw (5) has worm wheel (8), the upper surface rotation of slider (2) installs pivot (10), the surface fixed mounting of pivot (10) has worm (11) with worm wheel (8) engaged with, the top of pivot (10) extends to slider (2) and fixedly mounted with knob (16), the upper surface of base plate (1) is provided with coupling assembling (9).

2. The prefabricated panel lifting device according to claim 1, wherein: the motion subassembly (3) is including rotating two threaded rods (301) of installing at slider (2) upper surface, threaded mounting is at sliding sleeve (302) of threaded rod (301) surface, the surface of sliding sleeve (302) articulates there are two articulated poles (303), the other end of articulated pole (303) articulates with slider (2) of homonymy, two equal fixed mounting of surface of threaded rod (301) has band pulley (304), two be provided with belt (305) and pass through belt (305) transmission connection between band pulley (304), one of them the top fixed mounting of threaded rod (301) has hand wheel (306).

3. The prefabricated panel lifting device according to claim 2, wherein: the upper surface of base plate (1) is fixed mounting has mounting bracket (17), threaded rod (301) is connected with mounting bracket (17) rotation.

4. The prefabricated panel lifting device according to claim 1, wherein: the connecting assembly (9) comprises two steel wire ropes (901), lifting lugs (902) are fixedly arranged at four corners of the upper surface of the base plate (1), and two ends of the steel wire ropes (901) are fixedly connected with the two lifting lugs (902) on the same side.

5. The prefabricated panel lifting device according to claim 1, wherein: two sliding rods (12) are fixedly arranged between the inner walls of the sliding grooves, and the sliding blocks (2) are slidably arranged on the outer surfaces of the two sliding rods (12).

6. The prefabricated panel lifting device according to claim 1, wherein: a guide rod (13) is fixedly arranged between the two mounting plates (4), and the two clamping plates (6) slide on the outer surface of the guide rod (13).

7. The prefabricated panel lifting device according to claim 1, wherein: the lower surface of the sliding block (2) is fixedly provided with a supporting frame (14), and the bottom of the rotating shaft (10) is rotationally connected with the supporting frame (14).

8. The prefabricated panel lifting device according to claim 1, wherein: a plurality of anti-slip teeth (15) are arranged on the opposite surfaces of the two clamping plates (6) and the upper surfaces of the two supporting plates (7).