CN214780411U

CN214780411U - Rope breaking protector for tower crane hook

Info

Publication number: CN214780411U
Application number: CN202120258106.7U
Authority: CN
Inventors: 张洪伟; 刘国强; 李坤
Original assignee: Shandong Guoan Inspection And Testing Co ltd
Current assignee: Shandong Guoan Inspection And Testing Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-19
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a tower crane hook rope breakage protector, including tower crane hook body and overspeed governor, the cover is equipped with the guard box on the tower crane hook body, the guard box is "U" type shape, the equal fixed mounting in guard box inside top has the holding piece, the slope of holding piece bottom both sides is installed a pair of guide block, guide block one side all is equipped with the slider, the clamp splice is all installed perpendicularly to slider one side, slider one side is equipped with the gib block, slider and the mutual block of gib block, two round holes have been seted up on the guard box top, all be equipped with the guide bar in two round holes, the guide bar bottom is connected with the clamp splice, this internal a pair of loose axle that is provided with of tower crane hook, it is equipped with the pulley all to overlap on a pair of loose axle, the utility model has the advantages of simple and reasonable structure, the modern design, easy operation to can effectively play to the tower crane hook rope breakage and press from both sides tightly rapidly, have higher practical value.

Description

Rope breaking protector for tower crane hook

Technical Field

The utility model relates to a tower crane hook technical field in the construction machinery specifically is a rope protector is absolutely tied to tower crane hook.

Background

In engineering construction, a tower crane is a common construction machine, is widely applied to construction sites, and in the prior art, a tower crane of construction machinery equipment consists of a tower body, left and right balance arms and a hoisting hook. The tower crane hook comprises a hook body, and a left pulley and a right pulley which are connected with a steel wire rope are arranged in the hook body. Because of heavy article hung or wire rope ageing, sometimes the wire rope fracture takes place, lifts by crane the bull hook and can break away from with wire rope and fall to the ground rapidly, causes the threat to the personal and the property safety in building site, also can damage after the tower crane bull hook falls, influences the use. Therefore, the rope breaking protector for the tower crane hook is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tower crane hook rope breakage protector, including tower crane hook body and overspeed governor, the cover is equipped with the guard box on the tower crane hook body, the guard box is "U" type shape, the equal fixed mounting in the inside top of guard box has the holding block, it installs a pair of guide block to keep the slope of a bottom both sides, guide block one side all is equipped with the slider, the clamp splice is all installed perpendicularly to slider one side, two round holes, two have been seted up on the guard box top all be equipped with the guide bar in the round hole, the guide bar bottom is connected with the clamp splice, this internal a pair of loose axle that is provided with of tower crane hook, it is a pair of all the cover is equipped with the pulley on the loose axle.

As an optimal technical scheme of the utility model, slider one side is equipped with the gib block, the mutual block of slider and gib block.

As an optimized technical scheme of the utility model, the spout has been seted up to the guide block inside, be equipped with the head rod in the spout, the cover is equipped with electromagnetic spring on the head rod, electromagnetic spring one end is connected with the slider.

As an optimal technical scheme of the utility model, clamp splice one side is equipped with the slipmat, slipmat one side is equipped with a plurality of archs.

As a preferred technical scheme of the utility model, the pulley surface is equipped with a plurality of barbs, the pulley is provided with the spacing hook with barb looks block, the inside one side fixed mounting of tower crane hook body has L type fixed block, spacing hook one end is connected with L type fixed block.

As an optimal technical scheme of the utility model, be provided with cartridge case on the L type fixed block, be provided with a plurality of steel balls in the cartridge case, set up electromagnetic ignition ware in the cartridge case, just electromagnetic ignition ware and overspeed governor signal connection.

As the utility model discloses a preferred technical scheme, tower crane hook body bottom threaded connection has the second connecting rod, second connecting rod bottom is connected with the couple, just the couple opening part is equipped with the gag lever post.

As an optimal technical scheme of the utility model, tower crane hook body and guard box are the metal material, and the surface all is scribbled anti rust coating.

The utility model has the advantages that:

1. according to the tower crane hook rope breakage protector, the guide block, the slide block, the guide strip and the clamping block are used in a matched mode, the speed limiter monitors abnormal speed when a lifting rope is broken, so that the electromagnetic spring is driven to move upwards, rapid clamping of the lifting rope is achieved due to relative movement of the lifting rope and the clamping block, the non-slip mat is arranged on one side of the clamping block, the plurality of bulges are arranged on one side of the non-slip mat, and the friction force of the device is increased;

2. according to the tower crane hook rope breakage protector, the steel balls are arranged in the fire medicine tank, the electromagnetic igniter is arranged in the fire medicine tank and is in signal connection with the speed limiter, so that when a lifting rope is broken, the steel balls of the fire medicine tank pop out outwards to drive the limiting hook to be rapidly clamped with the barb, the pulley stops rotating, friction of the device is increased, and a speed reducing effect is achieved for the short rope;

3. this kind of tower crane hook rope breakage protector uses through the cooperation of couple and gag lever post, and the article landing that hangs when having prevented wire rope fracture, and causes the person and property to cause the threat, the utility model has the advantages of simple and reasonable structure, the modern design, easy operation to can effectively play the rope breakage of tower crane hook and press from both sides tightly rapidly, have higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a cross-sectional view of the rope breakage protector for the tower crane hook of the present invention;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 of the rope break protector for the tower crane hook of the present invention;

fig. 3 is the utility model discloses a tower crane hook rope breakage protector B's in fig. 1 structure enlarged schematic diagram.

In the figure: 1. a tower crane hook body; 2. a protection box; 3. a holding block; 4. a guide block; 5. a slider; 6. a guide strip; 7. a clamping block; 8. a guide bar; 9. a first connecting rod; 10. an electromagnetic spring; 11. a speed limiter; 12. a movable shaft; 13. a pulley; 14. a barb; 15. an L-shaped fixed block; 16. a cartridge case; 17. a limiting hook; 18. a second connecting rod; 19. hooking; 20. a limiting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a tower crane hook rope breakage protector, the cover is equipped with guard box 2 on tower crane hook body 1 and overspeed governor 11 tower crane hook body 1, guard box 2 is "U" type shape, the equal fixed mounting in 2 inside tops of guard box has holding block 3, a pair of guide block 4 is installed in 3 bottom both sides slopes of holding block, guide block 4 one side all is equipped with slider 5, clamp splice 7 is all installed perpendicularly in slider 5 one side, two round holes have been seted up on 2 tops of guard box, all be equipped with guide bar 8 in two round holes, 8 bottoms of guide bar are connected with clamp splice 7, this internal a pair of loose axle 12 that is provided with of tower crane hook, it is equipped with pulley 13 all to overlap on a pair of loose axle 12.

Wherein, slider 5 one side is equipped with gib block 6, slider 5 and gib block 6 block each other.

Wherein, the inside spout of seting up of guide block 4 is equipped with head rod 9 in the spout, and the cover is equipped with electromagnetic spring 10 on the head rod 9, and electromagnetic spring 10 one end is connected with slider 5.

Wherein, grip slipper 7 one side is equipped with the slipmat, and slipmat one side is equipped with a plurality of archs, has increased the frictional force of device.

Wherein, pulley 13 surface is equipped with a plurality of barbs 14, and pulley 13 is provided with the spacing hook 17 with barb 14 looks block, and tower crane hook body 1 inside one side fixed mounting has L type fixed block 15, and spacing hook 17 one end is connected with L type fixed block 15.

Wherein, be provided with cartridge case 16 on the L type fixed block 15, be provided with a plurality of steel balls in the cartridge case 16, set up electromagnetic igniter in the cartridge case 16, and electromagnetic igniter and overspeed governor 11 signal connection, realized when the lifting rope fracture, the cartridge case steel ball outwards pops out to drive the quick block of spacing hook and barb, reached pulley stall, thereby increased the device's friction, played the deceleration effect for the short rope.

Wherein, tower crane hook body 1 bottom threaded connection has second connecting rod 18, and second connecting rod 18 bottom is connected with

couple

19, and 19 openings of couple are equipped with gag lever post 20.

Wherein, tower crane hook 1 and guard box 2 are the metal material, and the surface all coats and has the anti rust coating, prevents that the device from not being by oxidation, increases the device's life.

The working principle is as follows: the protector for the broken rope of the tower crane hook realizes that the speed limiter 16 monitors abnormal speed when a lifting rope is broken by using the guide block 4, the slide block 5, the guide strip 6 and the clamping block 7 in a matched mode, so that the electromagnetic spring 10 is driven to move upwards, rapid clamping of the lifting rope is realized due to relative movement of the lifting rope and the clamping block 7, the anti-slip mat is arranged on one side of the clamping block 7, a plurality of bulges are arranged on one side of the anti-slip mat, the friction force of the protector is increased, a plurality of steel balls are arranged in the fire medicine box 16, the electromagnetic igniter is arranged in the fire medicine box 16 and is in signal connection with the speed limiter 11, so that when the lifting rope is broken, the steel balls of the fire medicine box 16 are popped outwards, the limit hook 17 is driven to be rapidly clamped with the barb 14, the pulley 13 stops rotating, the friction of the protector is increased, a speed reducing effect is realized for a short rope, and the protector is used by using the hook 19 and the limit rod 20 in a matched mode, the article landing of hanging when having prevented wire rope fracture, and cause the person and the property to cause the threat, the utility model has the advantages of simple and reasonable structure, the modern design, easy operation to can effectively play the quick clamp tightly to the broken rope of tower crane hook, have higher practical value.

Claims

1. A rope breaking protector for a tower crane hook comprises a tower crane hook body (1) and a speed limiter (11), it is characterized in that a protective box (2) is sleeved on the tower crane hook body (1), the protective box (2) is U-shaped, the top ends inside the protective box (2) are fixedly provided with retaining blocks (3), a pair of guide blocks (4) are obliquely arranged on two sides of the bottom end of the holding block (3), one side of each guide block (4) is provided with a sliding block (5), a clamping block (7) is vertically arranged on one side of the sliding block (5), two round holes are arranged at the top end of the protection box (2), guide rods (8) are arranged in the two round holes, the tower crane hook is characterized in that the bottom end of the guide rod (8) is connected with the clamping block (7), a pair of movable shafts (12) are arranged in the tower crane hook body (1), and the movable shafts (12) are sleeved with pulleys (13).

2. The tower crane hook rope breakage protector according to claim 1, wherein a guide strip (6) is arranged on one side of the sliding block (5), and the sliding block (5) and the guide strip (6) are mutually clamped.

3. The tower crane hook rope breakage protector according to claim 2, wherein a sliding groove is formed in the guide block (4), a first connecting rod (9) is arranged in the sliding groove, an electromagnetic spring (10) is sleeved on the first connecting rod (9), and one end of the electromagnetic spring (10) is connected with the sliding block (5).

4. The tower crane hook rope breakage protector according to claim 1, wherein a non-slip pad is arranged on one side of the clamping block (7), and a plurality of protrusions are arranged on one side of the non-slip pad.

5. The rope breakage protector for the tower crane hook according to claim 1, wherein a plurality of barbs (14) are arranged on the surface of the pulley (13), the pulley (13) is provided with a limiting hook (17) clamped with the barbs (14), an L-shaped fixing block (15) is fixedly mounted on one side inside the tower crane hook body (1), and one end of the limiting hook (17) is connected with the L-shaped fixing block (15).

6. The tower crane hook rope breakage protector according to claim 5, wherein a cartridge (16) is arranged on the L-shaped fixing block (15), a plurality of steel balls are arranged in the cartridge (16), an electromagnetic igniter is arranged in the cartridge (16), and the electromagnetic igniter is in signal connection with the speed limiter (11).

7. The tower crane hook rope breakage protector according to claim 1, wherein a second connecting rod (18) is in threaded connection with the bottom end of the tower crane hook body (1), a hook (19) is connected with the bottom end of the second connecting rod (18), and a limiting rod (20) is arranged at an opening of the hook (19).

8. The rope breakage protector for the tower crane hook according to claim 1, wherein the tower crane hook body (1) and the protection box (2) are made of metal materials, and the surfaces of the tower crane hook body and the protection box are coated with antirust coatings.