CN215946582U

CN215946582U - Rope breaking protector for tower crane hook

Info

Publication number: CN215946582U
Application number: CN202121919758.7U
Authority: CN
Inventors: 李学丁
Original assignee: Shandong Zhongcheng Mechanical Engineering Co ltd
Current assignee: Shandong Zhongcheng Mechanical Engineering Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-04
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a tower crane hook rope breakage protector which comprises a fixed plate, wherein slide rails are fixedly connected to two sides of the top end of the fixed plate, a linkage slide sheet is connected to the center of each slide rail in a sliding mode, a static clamping seat is fixedly connected to the center of the fixed plate, a hook is rotatably connected to the center of the bottom end of the fixed plate, movable clamping seats are fixedly connected to two sides of the top end of the hook, fixed clamping heads are fixedly connected to two sides inside the fixed plate, two polished rods are fixedly connected to the center of the top end of the fixed plate, and positioning plates are fixedly connected to two sides, close to the inside of the fixed plate, of the fixed plate. According to the utility model, the hook is rotatably connected at the center of the bottom end of the fixed plate, the movable clamping seat is arranged at the top end of the hook, when the steel rope is broken, the protector body can incline to one side, the hook can be rotated by a heavy object on the hook, so that the steel rope is clamped by the movable clamping seat and the static clamping seat, and the heavier the goods is, the tighter the clamp is, and the danger during rope breaking is reduced.

Description

Rope breaking protector for tower crane hook

Technical Field

The utility model relates to the field of tower cranes, in particular to a rope breaking protector for a tower crane hook.

Background

In engineering construction, a tower crane is a common construction machine, and is a hoisting device, also called a tower crane, which is commonly used in construction sites, and is lengthened (high) section by section (referred to as a standard section) to hang construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is indispensable equipment on a construction site, and is widely applied on the construction site. Belongs to a hoisting machine, which is a machine with circulation and intermittent motion. A working cycle comprises that the object taking device lifts an object from an object taking place and then horizontally moves to a designated place to lower the object, and the object taking device is necessary hoisting equipment in the building industry and used for transporting building materials such as steel bar frameworks, bricks and the like.

At present, the existing tower crane hook is connected with the forearm of the tower crane through a steel rope, but when the hung heavy object is overweight or the steel rope is aged, the heavy object is broken suddenly, and the tower crane hook also drops quickly along with the breakage of the steel rope, so that great threats are caused to the personal and property safety of a construction site.

In the prior art, the rope breakage protector is complex in structure, inconvenient to maintain and staggered in protection effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of complex structure, inconvenient maintenance and staggered protection effect.

In order to solve the technical problems, the utility model adopts a technical scheme that: provides a rope breaking protector for a tower crane hook, which comprises a fixed plate, wherein two sides of the top end of the fixed plate are fixedly connected with slide rails, the center of the slide rail is connected with a linked slide sheet in a sliding way, the center of the fixed plate is fixedly connected with a static clamping seat, the center of the bottom end of the fixed plate is rotatably connected with a hook, two sides of the top end of the hook are fixedly connected with a movable clamping seat, two fixed clamping heads are fixedly connected with two sides inside the fixed plate, two polished rods are fixedly connected with the center of the top end of the fixed plate, positioning plates are fixedly connected with two sides close to the inside of the fixing plate, a linkage rod is connected with the center of the positioning plate in a sliding manner, an elastic clamping head is fixedly connected with one end of each linkage rod at the two sides which deviates from each other, and a pressure spring is arranged between the elastic clamping head and the positioning plate, and one ends of the two sides, close to the linkage rods, are inserted and connected with linkage pins.

Preferably, the linkage pin is connected with the linkage sliding pieces on two sides through a steel wire respectively, the two steel wires pass through the centers of the two polished rods, and the linkage sliding pieces pull the linkage pin to move through the steel wires.

Preferably, the bottom end of the static clamping seat is provided with a sawtooth-shaped anti-slip pattern which is matched with the dynamic clamping seat to clamp the steel rope.

Preferably, the movable clamping seat is inclined relative to a horizontal line, and the top end of the movable clamping seat is provided with a sawtooth-shaped anti-slip line which is matched with the static clamping seat to clamp the steel rope.

Preferably, the fixed clamping head is positioned above the static clamping seat.

Preferably, pulleys are arranged on two sides of the static clamping seat and are rotatably connected with the fixed plate, steel ropes are wound around the periphery of the pulleys, two ends of each steel rope penetrate through the center of the linkage sliding piece, flower-shaped protrusions are arranged on the periphery of each pulley, and friction force between each steel rope and each pulley is increased.

Preferably, the positioning plate is provided with a through hole at the joint with the linkage rod.

Preferably, the pressure spring is sleeved on the peripheral side of the linkage rod.

Preferably, the elastic clamping head and the fixed clamping head are arranged oppositely, and one side of the elastic clamping head opposite to the fixed clamping head is provided with sawtooth-shaped anti-slip lines for clamping a steel rope and reducing the falling speed of the hook.

Preferably, when the linkage rod is provided with a corresponding pin hole at the insertion connection part of the linkage pin and the linkage pin is pulled out, the linkage rod is driven by the pressure spring to move towards the two ends.

The utility model has the following beneficial effects:

1. according to the utility model, the hook is rotatably connected at the center of the bottom end of the fixed plate, the movable clamping seat is arranged at the top end of the hook, when the steel rope is broken, the whole protector inclines to one side, and the hook can be rotated by a heavy object on the hook, so that the steel rope is clamped by the movable clamping seat and the static clamping seat, and the heavier the goods is, the tighter the steel rope is, and the danger during rope breaking is reduced;

2. according to the utility model, the linkage sliding piece is arranged in the sliding rail, the steel rope penetrates through the linkage sliding piece, when the steel rope inclines relative to the fixed plate, the linkage sliding piece is driven to move, the linkage sliding piece pulls out the linkage pin from the linkage rod, and the elastic clamping head is pushed to clamp the steel rope under the action of the pressure spring, so that the falling speed of the hook is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a fixing plate; 2. a slide rail; 3. linking the sliding sheet; 4. an elastic clamping head; 5. a pressure spring; 6. a linkage rod; 7. a polish rod; 8. a linkage pin; 9. positioning a plate; 10. a steel cord; 11. fixing a clamping head; 12. a static clamping seat; 13. hooking; 14. a movable clamping seat; 15. a pulley.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Please refer to fig. 1 and 2, a rope breakage protector for a tower crane hook, comprising a fixing plate 1, slide rails 2 fixedly connected to two sides of the top end of the fixing plate 1, a linkage slide sheet 3 slidably connected to the center of the slide rails 2, a stationary clamping seat 12 fixedly connected to the center of the fixing plate 1, a hook 13 rotatably connected to the center of the bottom end of the fixing plate 1, a movable clamping seat 14 fixedly connected to two sides of the top end of the hook 13, a fixed clamping head 11 fixedly connected to two sides of the inside of the fixing plate 1, two polish rods 7 fixedly connected to the center of the top end of the fixing plate 1, a positioning plate 9 fixedly connected to two sides of the inside of the fixing plate 1, a linkage rod 6 slidably connected to the center of the positioning plate 9, an elastic clamping head 4 fixedly connected to one end of the linkage rods 6 on two sides deviating from each other, a pressure spring 5 arranged between the elastic clamping head 4 and the positioning plate 9, and a linkage pin 8 inserted and connected to one end of the linkage rods 6 on two sides close to each other.

As shown in fig. 1 and 2, the linkage pin 8 is connected with the linkage slide pieces 3 at two sides through a steel wire, the two steel wires pass through the centers of the two polished rods 7, and the linkage slide pieces 3 pull the linkage pin 8 to move through the steel wires.

As shown in fig. 1, the bottom end of the static clamping seat 12 is provided with a saw-toothed anti-slip pattern, which cooperates with the dynamic clamping seat 14 to clamp the steel cable 10. The movable clamping seat 14 is inclined relative to the horizontal line, and the top end of the movable clamping seat 14 is provided with sawtooth-shaped anti-slip lines which are matched with the static clamping seat 12 to clamp the steel rope 10.

As shown in fig. 1, the stationary clamping head 11 is located above the stationary clamping base 12. Pulleys 15 are arranged on two sides of the static clamping seat 12, the pulleys 15 are rotatably connected with the fixing plate 1, steel ropes 10 are wound around the periphery of the pulleys 15, two ends of each steel rope 10 penetrate through the center of the linkage sliding piece 3, flower-shaped protrusions are arranged on the periphery of each pulley 15, and friction force between each steel rope 10 and each pulley 15 is increased.

As shown in FIG. 1, the positioning plate 9 is provided with a through hole at the connection part with the linkage rod 6. The pressure spring 5 is sleeved on the periphery of the linkage rod 6. Elastic clamping head 4 with decide the relative setting of holding head 11, elastic clamping head 4 all is provided with cockscomb structure antiskid line with deciding one side that holding head 11 is relative for centre gripping steel cable 10 reduces the descending speed of couple 13.

As shown in figure 1, the linkage rod 6 is provided with a corresponding pin hole at the insertion connection part of the linkage pin 8, and when the linkage pin 8 is pulled out, the linkage rod 6 is driven by the pressure spring 5 to move towards the two ends.

As shown in fig. 2 and 3, two fixing plates 1 are provided, the fixedly connected components are fixed on one of the fixing plates 1, and the two fixing plates 1 are connected through bolts, so that subsequent maintenance is facilitated.

When the steel rope protection device is used, the protector is mainly inclined due to the weight of hoisted goods to perform linkage protection, when the steel rope 10 is broken, the whole protector can incline to one side, the hook 13 can be rotated by a heavy object on the hook 13, the steel rope 10 is clamped by the passive clamping seat 14 and the static clamping seat 12, when the steel rope 10 inclines relative to the fixed plate 1, the linkage sliding piece 3 can be driven to move, the linkage sliding piece 3 pulls out the linkage pin 8 from the linkage rod 6, and the elastic clamping head 4 is pushed to clamp the steel rope 10 under the action of the pressure spring 5, so that the falling speed of the hook 13 is reduced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a tower crane hook rope breakage protector, includes fixed plate (1), its characterized in that: the device comprises a fixed plate (1), a slide rail (2) and a linkage slide sheet (3), wherein the slide rail (2) is fixedly connected to two sides of the top end of the fixed plate (1), the linkage slide sheet (3) is slidably connected to the center of the slide rail (2), a static clamping seat (12) is fixedly connected to the center of the fixed plate (1), a hook (13) is rotatably connected to the center of the bottom end of the fixed plate (1), a movable clamping seat (14) is fixedly connected to two sides of the top end of the hook (13), fixed clamping heads (11) are fixedly connected to two sides of the inside of the fixed plate (1), two polished rods (7) are fixedly connected to the center of the top end of the fixed plate (1), positioning plates (9) are fixedly connected to two sides close to the inside of the fixed plate (1), a linkage rod (6) is slidably connected to the center of the positioning plates (9), and an elastic clamping head (4) is fixedly connected to one end, opposite to the linkage rod (6), a pressure spring (5) is arranged between the elastic clamping head (4) and the positioning plate (9), and a linkage pin (8) is inserted and connected to one end, close to the linkage rod (6), of each of the two sides.

2. The tower crane hook rope breakage protector according to claim 1, wherein: the linkage pin (8) is connected with the linkage sliding sheets (3) on the two sides through a steel wire respectively, and the two steel wires pass through the centers of the two polished rods (7).

3. The tower crane hook rope breakage protector according to claim 1, wherein: the bottom end of the static clamping seat (12) is provided with sawtooth-shaped anti-skid lines.

4. The tower crane hook rope breakage protector according to claim 1, wherein: the movable clamping seat (14) is inclined relative to the horizontal line, and the top end of the movable clamping seat (14) is provided with sawtooth-shaped anti-skidding lines.

5. The tower crane hook rope breakage protector according to claim 1, wherein: the fixed clamping head (11) is positioned above the static clamping seat (12).

6. The tower crane hook rope breakage protector according to claim 1, wherein: the both sides of quiet grip slipper (12) are provided with pulley (15), pulley (15) rotate with fixed plate (1) to be connected, the week side of pulley (15) is around being connected with steel cable (10), the center department of linkage gleitbretter (3) is all passed at the both ends of steel cable (10).

7. The tower crane hook rope breakage protector according to claim 1, wherein: the positioning plate (9) is provided with a through hole at the joint with the linkage rod (6).

8. The tower crane hook rope breakage protector according to claim 1, wherein: the pressure spring (5) is sleeved on the periphery of the linkage rod (6).

9. The tower crane hook rope breakage protector according to claim 1, wherein: the elastic clamping head (4) and the fixed clamping head (11) are arranged oppositely, and one side of the elastic clamping head (4) opposite to the fixed clamping head (11) is provided with sawtooth-shaped anti-skid lines.

10. The tower crane hook rope breakage protector according to claim 1, wherein: and the linkage rod (6) is provided with a corresponding pin hole at the insertion connection part of the linkage pin (8).