CN216785549U - Anti-falling structure of tower crane hook - Google Patents

Abstract

The utility model discloses a falling prevention structure for a tower crane hook, relates to the technical field of tower cranes, and particularly relates to a falling prevention structure for a tower crane hook. This structure of preventing falling of tower crane lifting hook, setting through second dentate plate and first dentate plate, make this structure of preventing falling of tower crane lifting hook possess skid-proof effect, through first spliced pole, the second spliced pole, the cooperation setting of first arc backup pad and second arc backup pad, the effectual purpose of preventing falling of lifting hook has been reached, setting through first spacing post and spacing groove, make this structure of preventing falling of tower crane lifting hook possess and make and support and keep fixed effect between stock and the support square tube, through supporting the stock, support the square tube, the cooperation setting of support column and support tube, reach the high purpose of security.

Description

Anti-falling structure of tower crane hook

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a falling prevention structure for a tower crane hook.

Background

The tower crane is a rotating crane with a movable arm arranged at the upper part of a tower body with high rise, has large working space, is mainly used for vertical and horizontal conveying of materials and installation of building members in building construction, and consists of a metal structure, a working mechanism and an electrical system, wherein the metal structure comprises the tower body, the movable arm, a base and the like, the working mechanism comprises four parts of lifting, amplitude changing, rotating and walking, the electrical system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like, and in the using process of the tower crane, a lifting hook rod is generally arranged at the top of the lifting hook, a lifting rope is generally connected with the lifting hook rod, and in order to avoid falling off of the lifting hook from the lifting rope, a falling-proof structure of the lifting hook of the tower crane is often needed.

The tower crane lifting hook structure of preventing falling that discloses in chinese utility model patent application publication CN 213294427U, though this tower crane lifting hook structure of preventing falling can realize hanging the end to the article and prevent breaking away from and block, however, this tower crane lifting hook structure of preventing falling, at the in-process that uses, it lifts by crane rope and lifting hook pole and breaks away from easily, leads to its lifting hook to be difficult to by fixed firm to it is difficult to make lifting hook pole and lifts by crane between the rope atress even, to sum up this tower crane lifting hook structure of preventing falling has the lifting hook and prevents falling that the effect is not too good and the security is not too high shortcoming.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a falling prevention structure for a tower crane hook, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a falling prevention structure of a tower crane hook comprises a first arc-shaped support plate and a second arc-shaped support plate, wherein a first support hole is formed in the outer surface of the first arc-shaped support plate, a first connecting column is in threaded connection with the inside of the first support hole, one end of the first connecting column is rotatably connected with a first arc-shaped pressing plate, a first tooth-shaped plate is arranged on the inner side surface of the first arc-shaped pressing plate, a second support hole is formed in the outer surface of the second arc-shaped support plate, a second connecting column is in threaded connection with the inside of the second support hole, one end of the second connecting column is rotatably connected with a second arc-shaped pressing plate, a second tooth-shaped plate is arranged on the inner side surface of the second arc-shaped pressing plate, the number of the first arc-shaped support plate and the number of the second arc-shaped support plate are two, and the outer surfaces of one first arc-shaped support plate and one second arc-shaped support plate are provided with a first connecting long plate, the outer surfaces of the other first arc-shaped supporting plate and the other second arc-shaped supporting plate are respectively provided with a second connecting long plate, and the second connecting long plate is movably connected with the first connecting long plate; the bottom of first arc backup pad is provided with the support stock, the bottom surface that supports the stock is provided with back the shaped plate, the top of second arc backup pad is provided with supports a square section of thick bamboo, the inside of supporting a square section of thick bamboo has seted up back the groove, support the stock and support square section of thick bamboo sliding connection, back the shaped plate and return shape groove sliding connection, the bottom of first arc backup pad is provided with the support column, the bottom surface of support column is provided with the spacing ring, the top of second arc backup pad is provided with supports a section of thick bamboo, the ring channel has been seted up to the inside of supporting a section of thick bamboo, support column and support a section of thick bamboo sliding connection, spacing ring and ring channel sliding connection.

Optionally, the inner side wall of the first arc-shaped supporting plate is provided with a first arc-shaped connecting plate, the inner side wall of the first arc-shaped connecting plate is provided with a first connecting long hole, the inner top wall and the inner bottom wall of the first connecting long hole are both provided with a first limiting long groove, the top and the bottom of the first arc-shaped pressing plate are both provided with a first limiting block, the first arc-shaped pressing plate is slidably connected with the first connecting long hole, and the first limiting block is slidably connected with the first limiting long groove.

Optionally, a second arc-shaped connecting plate is arranged on the inner side wall of the second arc-shaped supporting plate, a second connecting long hole is formed in the inner side wall of the second arc-shaped connecting plate, second limiting long grooves are formed in the top and the bottom of the second connecting long hole, second limiting blocks are arranged on the top and the bottom of the second arc-shaped pressing plate, the second arc-shaped pressing plate is connected with the second connecting long hole in a sliding mode, and the second limiting blocks are connected with the second limiting long grooves in a sliding mode.

Optionally, the side surface of the second long connecting plate is in threaded connection with a second limiting column, the second limiting column penetrates through the second long connecting plate, and the second limiting column is in threaded connection with the first long connecting plate.

Optionally, one side of each of the first arc-shaped support plate and the second arc-shaped support plate is provided with a long connecting rod, one side of each of the other first arc-shaped support plate and the other second arc-shaped support plate is provided with a long connecting groove, and the long connecting grooves are connected with the long connecting rods in a clamping manner.

Optionally, a plurality of limiting grooves are formed in the side face of the supporting long rod, a first limiting column is connected to the inner threads of the limiting grooves in a threaded mode, and the first limiting column is connected with the supporting square barrel in a threaded mode.

(III) advantageous effects

The utility model provides a falling prevention structure for a tower crane hook, which has the following beneficial effects:

1. this structure of preventing falling of tower crane lifting hook, setting through second dentate plate and first dentate plate, make this structure of preventing falling of tower crane lifting hook possess skid-proof effect, through first spliced pole, the second spliced pole, the cooperation setting of first arc backup pad and second arc backup pad, the in-process that uses can make two first arc clamp plates press from both sides tightly to lift by crane the rope and make two second arc clamp plates press from both sides tightly to hang the hook pole, thereby played the effect that prevents to hang the hook pole and lift by crane the rope and break away from, and then played the fixed firm effect of messenger's lifting hook, reached the lifting hook and prevented falling effectual purpose.

2. This structure of preventing falling of tower crane lifting hook, setting through first spacing post and spacing groove, make this structure of preventing falling of tower crane lifting hook possess make support the stock and support and keep fixed effect between the square tube, through supporting the stock, support the square tube, support column and the cooperation setting of a support section of thick bamboo, in-process using can make first arc backup pad reciprocate, thereby played the effect of adjusting distance between first arc backup pad and the second arc backup pad according to the bearing capacity of lifting hook, and then played the effect that makes the atress even between lifting hook pole and the lifting rope, the high mesh of security has been reached.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is a first schematic top view of the present invention;

FIG. 4 is a second schematic top view of the present invention;

FIG. 5 is a side cross-sectional structural view of the present invention.

In the figure: 1. a first arc-shaped support plate; 2. a first arc-shaped connecting plate; 3. a first connecting long plate; 4. a second connecting long plate; 5. a support pillar; 6. a limiting groove; 7. a long support rod; 8. a support cylinder; 9. supporting the square cylinder; 10. a second arc-shaped support plate; 11. a second arc-shaped connecting plate; 12. a first stopper; 13. a first connecting post; 14. a first limit long groove; 15. a second limiting long groove; 16. a second limiting block; 17. a second toothed plate; 18. a second connecting column; 19. a second connection long hole; 20. a second support hole; 21. a second arc-shaped pressing plate; 22. a circular groove; 23. a return plate; 24. a first limit post; 25. a first connection long hole; 26. a first support hole; 27. a first arc-shaped pressing plate; 28. a first castellated plate; 29. a second limit post; 30. a long connecting groove; 31. connecting a long rod; 32. a limiting ring; 33. an annular groove.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a falling prevention structure of a tower crane hook comprises a first arc-shaped support plate 1 and a second arc-shaped support plate 10, wherein a first support hole 26 is formed in the outer surface of the first arc-shaped support plate 1, a first connecting column 13 is in threaded connection with the inside of the first support hole 26, one end of the first connecting column 13 is rotatably connected with a first arc-shaped pressure plate 27, a first tooth-shaped plate 28 is arranged on the inner side surface of the first arc-shaped pressure plate 27, a first arc-shaped connecting plate 2 is arranged on the inner side wall of the first arc-shaped support plate 1, a first connecting long hole 25 is formed in the inner side wall of the first arc-shaped connecting plate 2, first limiting long grooves 14 are formed in the inner top wall and the inner bottom wall of the first connecting long hole 25, first limiting blocks 12 are arranged at the top and the bottom of the first arc-shaped pressure plate 27, the first arc-shaped pressure plate 27 is in sliding connection with the first connecting long hole 25, the first limiting blocks 12 are in sliding connection with the first limiting long grooves 14, the outer surface of the second arc-shaped supporting plate 10 is provided with a second supporting hole 20, the inner part of the second supporting hole 20 is in threaded connection with a second connecting column 18, one end of the second connecting column 18 is rotatably connected with a second arc-shaped pressing plate 21, the inner side surface of the second arc-shaped pressing plate 21 is provided with a second toothed plate 17, the inner side wall of the second arc-shaped supporting plate 10 is provided with a second arc-shaped connecting plate 11, the inner side wall of the second arc-shaped connecting plate 11 is provided with a second connecting long hole 19, the top and the bottom of the second connecting long hole 19 are both provided with a second limiting long groove 15, the top and the bottom of the second arc-shaped pressing plate 21 are both provided with a second limiting block 16, the second arc-shaped pressing plate 21 is in sliding connection with the second connecting long hole 19, the second limiting block 16 is in sliding connection with the second limiting long groove 15, the number of the first arc-shaped supporting plate 1 and the second arc-shaped supporting plate 10 is two, the outer surfaces of one first arc-shaped supporting plate 1 and one second arc-shaped supporting plate 10 are both provided with a first connecting long plate 3, the outer surfaces of the other first arc-shaped support plate 1 and the other second arc-shaped support plate 10 are respectively provided with a second connecting long plate 4, the second connecting long plate 4 is movably connected with the first connecting long plate 3, the side surface of the second connecting long plate 4 is in threaded connection with a second limiting column 29, the second limiting column 29 penetrates through the second connecting long plate 4, the second limiting column 29 is in threaded connection with the first connecting long plate 3, one side of one first arc-shaped support plate 1 and one side of the second arc-shaped support plate 10 are respectively provided with a connecting long rod 31, one side of the other first arc-shaped support plate 1 and one side of the other second arc-shaped support plate 10 are respectively provided with a connecting long groove 30, and the connecting long grooves 30 are clamped with the connecting long rods 31; the bottom of first arc backup pad 1 is provided with supports stock 7, the bottom surface of supporting stock 7 is provided with returns the shape board 23, the top of second arc backup pad 10 is provided with supports square tube 9, it has returned shape groove 22 to support the inside of square tube 9, support stock 7 and support square tube 9 sliding connection, it has returned shape board 23 and time shape groove 22 sliding connection, a plurality of spacing groove 6 has been seted up to the side of supporting stock 7, the internal thread of spacing groove 6 is connected with first spacing post 24, first spacing post 24 and support square tube 9 threaded connection, the bottom of first arc backup pad 1 is provided with support column 5, the bottom surface of support column 5 is provided with spacing ring 32, the top of second arc backup pad 10 is provided with a support section of thick bamboo 8, ring channel 33 has been seted up to the inside of a support section of thick bamboo 8, support column 5 and support section of thick bamboo 8 sliding connection, spacing ring 32 and ring channel 33 sliding connection.

When the lifting rope is used, the two first arc-shaped supporting plates 1 are moved, the two second arc-shaped supporting plates 10 are moved at the same time, the two first arc-shaped supporting plates 1 are sleeved on the outer surface of the lifting rope, the two second arc-shaped supporting plates 10 are sleeved on the outer surface of the lifting hook rod, when the long connecting rod 31 enters the long connecting groove 30, the second limiting column 29 is inserted into the second long connecting plate 4, the second limiting column 29 is rotated, the second limiting column 29 is respectively in threaded connection with the second long connecting plate 4 and the first long connecting plate 3, the first connecting column 13 is rotated, the first connecting column 13 respectively rotates along the first supporting hole 26 and the first arc-shaped pressing plate 27, the first connecting column 13 moves inwards under the action of threaded transmission, the first arc-shaped pressing plate 27 moves inwards along the first long connecting hole 25, the first limiting block 12 slides inwards along the first long limiting groove 14, the first tooth-shaped plate 28 moves inwards, and the two first arc-shaped pressing plates 27 both move inwards, the lifting rope can be clamped tightly, the second connecting column 18 is rotated, the second connecting column 18 rotates along the second supporting hole 20 and the second arc-shaped pressing plate 21 respectively, the second connecting column 18 moves inwards under the action of screw transmission, the second arc-shaped pressing plate 21 moves inwards along the second connecting long hole 19, the second limiting block 16 slides inwards along the second limiting long groove 15, the second tooth-shaped plate 17 moves inwards, the second tooth-shaped plate 17 and the first tooth-shaped plate 28 can prevent slipping, the two second arc-shaped pressing plates 21 move inwards to enable the lifting hook rod to be clamped tightly, the lifting hook rod can be prevented from being separated from the lifting rope at the moment, the lifting hook can be fixed firmly, the anti-falling effect of the lifting hook is good, in the using process of the device, the first connecting column 13 is rotated to enable the lifting rope to be loosened, the first limiting column 24 is rotated to enable the first limiting column 24 to be separated from the connection with one limiting groove 6, the first arc-shaped supporting plate 1 is moved upwards, the first arc connecting plate 2 slides upwards along a hoisting rope, the long supporting rod 7 slides upwards along the supporting square tube 9, the return plate 23 slides upwards along the return groove 22, the supporting column 5 slides upwards along the supporting tube 8, the limiting ring 32 slides upwards along the annular groove 33, the first arc supporting plate 1 is moved downwards, the first arc connecting plate 2 slides downwards along the hoisting rope, the distance between the first arc supporting plate 1 and the second arc supporting plate 10 can be adjusted according to the bearing capacity of a lifting hook, so that the stress between the hook rod and the hoisting rope can be uniform, the safety of the device is high, and after the adjustment is completed, the first limiting column 24 is rotated to enable the first limiting column 24 to be in threaded connection with the other limiting groove 6, the first limiting column 24 and the limiting groove 6 can enable the long supporting rod 7 and the square supporting barrel 9 to be fixed, and the first connecting column 13 is rotated to enable the lifting rope to be in a clamping state.

In conclusion, the falling prevention structure for the tower crane hook has the anti-slip effect through the arrangement of the second toothed plate 17 and the first toothed plate 28, the two first arc-shaped pressing plates 27 can clamp a hoisting rope and the two second arc-shaped pressing plates 21 can clamp the hoisting hook rod through the matching arrangement of the first connecting column 13, the second connecting column 18, the first arc-shaped supporting plate 1 and the second arc-shaped supporting plate 10 in the using process, so that the effect of preventing the hoisting hook rod from being separated from the hoisting rope is achieved, the effect of firmly fixing the hook is achieved, and the purpose of good falling prevention effect of the hook is achieved, the falling prevention structure for the tower crane hook has the effect of keeping the long supporting rod 7 and the square supporting cylinder 9 fixed through the arrangement of the long supporting rod 7 and the square supporting cylinder 9, and the falling prevention structure for the tower crane hook has the advantages of keeping the long supporting rod 7 and the square supporting cylinder 9 fixed through the arrangement of the long supporting rod 7 and the square supporting cylinder 9, Support column 5 and the cooperation setting of a support section of thick bamboo 8 can make first arc backup pad 1 reciprocate at the in-process that uses to the effect of distance between first arc backup pad 1 and the second arc backup pad 10 has been adjusted according to the bearing capacity of lifting hook to play and then made the hook rod and lifted by crane the even effect of atress between the rope, reached the high mesh of security.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a tower crane lifting hook structure of preventing falling, includes first arc backup pad (1) and second arc backup pad (10), its characterized in that: first support hole (26) have been seted up to the surface of first arc backup pad (1), the inside threaded connection of first support hole (26) has first brace (13), the one end of first brace (13) is rotated and is connected with first arc clamp plate (27), the medial surface of first arc clamp plate (27) is provided with first dentate plate (28), second brace hole (20) have been seted up to the surface of second arc backup pad (10), the inside threaded connection of second brace hole (20) has second brace pole (18), the one end of second brace pole (18) is rotated and is connected with second arc clamp plate (21), the medial surface of second arc clamp plate (21) is provided with second dentate plate (17), the quantity of first arc backup pad (1) and second arc backup pad (10) is two, one first arc backup pad (1) and one the surface of second arc backup pad (10) all is provided with the first dentate plate (17) The outer surfaces of the other first arc-shaped support plate (1) and the other second arc-shaped support plate (10) are respectively provided with a second connecting long plate (4), and the second connecting long plate (4) is movably connected with the first connecting long plate (3); a long support rod (7) is arranged at the bottom of the first arc-shaped support plate (1), a return plate (23) is arranged on the outer surface of the bottom of the long support rod (7), a supporting square cylinder (9) is arranged at the top of the second arc-shaped supporting plate (10), a return groove (22) is arranged inside the supporting square cylinder (9), the long supporting rod (7) is connected with the square supporting cylinder (9) in a sliding way, the return plate (23) is connected with the return groove (22) in a sliding way, a support pillar (5) is arranged at the bottom of the first arc-shaped support plate (1), a limiting ring (32) is arranged on the outer surface of the bottom of the supporting column (5), a supporting cylinder (8) is arranged at the top of the second arc-shaped supporting plate (10), annular groove (33) have been seted up to the inside of a support section of thick bamboo (8), support column (5) and a support section of thick bamboo (8) sliding connection, spacing ring (32) and annular groove (33) sliding connection.

2. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: the inner side wall of the first arc-shaped supporting plate (1) is provided with a first arc-shaped connecting plate (2), the inner side wall of the first arc-shaped connecting plate (2) is provided with a first connecting long hole (25), the inner top wall and the inner bottom wall of the first connecting long hole (25) are provided with first limiting long grooves (14), the top and the bottom of the first arc-shaped pressing plate (27) are provided with first limiting blocks (12), the first arc-shaped pressing plate (27) is in sliding connection with the first connecting long holes (25), and the first limiting blocks (12) are in sliding connection with the first limiting long grooves (14).

3. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: the inner side wall of the second arc-shaped supporting plate (10) is provided with a second arc-shaped connecting plate (11), the inner side wall of the second arc-shaped connecting plate (11) is provided with a second connecting long hole (19), the top and the bottom of the second connecting long hole (19) are provided with second limiting long grooves (15), the top and the bottom of the second arc-shaped pressing plate (21) are provided with second limiting blocks (16), the second arc-shaped pressing plate (21) is connected with the second connecting long hole (19) in a sliding mode, and the second limiting blocks (16) are connected with the second limiting long grooves (15) in a sliding mode.

4. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: the side surface of the second connecting long plate (4) is in threaded connection with a second limiting column (29), the second limiting column (29) penetrates through the second connecting long plate (4), and the second limiting column (29) is in threaded connection with the first connecting long plate (3).

5. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: one side of one first arc-shaped supporting plate (1) and one second arc-shaped supporting plate (10) is provided with a long connecting rod (31), one side of the other first arc-shaped supporting plate (1) and the other second arc-shaped supporting plate (10) is provided with a long connecting groove (30), and the long connecting groove (30) is connected with the long connecting rod (31) in a clamping mode.

6. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: a plurality of spacing groove (6) have been seted up to the side of supporting stock (7), the inside threaded connection of spacing groove (6) has first spacing post (24), first spacing post (24) and support square tube (9) threaded connection.

Images