CN214217902U

CN214217902U - Lifting hook for crawler crane

Info

Publication number: CN214217902U
Application number: CN202023291304.8U
Authority: CN
Inventors: 郭强; 吕辉
Original assignee: Hunan Fengchi Machinery Co ltd
Current assignee: Hunan Fengchi Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-17
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a lifting hook for crawler crane, including the lifting hook, the fixed frame of lifting hook lateral wall fixedly connected with, fixed frame lateral wall is equipped with the fixture of centre gripping rope, fixture is including setting up the chamber of placing at fixed frame lateral wall, place the flexible gasbag of intracavity top fixedly connected with, flexible gasbag lateral wall fixedly connected with sliding plate, the lateral wall rotates and is connected with the threaded rod under the sliding plate, threaded rod lower extreme fixedly connected with handle. The utility model discloses an inflation gasbag and rope contact step up the rope, prevent that the rope from removing about the in-process that the lifting hook removed, can reduce the friction of rope and lifting hook, have reduced the cracked possibility of rope, have guaranteed subaerial staff's safety, can also remove the long slab, make the long slab press the rope, further prevent that the rope from removing, can be according to the position of the thickness adjustment long slab of rope, application scope is wide, easy operation.

Description

Lifting hook for crawler crane

Technical Field

The utility model relates to a hoist technical field especially relates to a lifting hook for crawler crane.

Background

The crane is a multi-action hoisting machine, also called a crane, which vertically lifts and horizontally carries heavy objects within a certain range. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive.

The use of hoist is usually along with the lifting hook hangs the goods, the lifting hook removes the rope to the place that needs loaded the goods, be on the goods by subaerial staff, rise and removal through the lifting hook, thereby realize the loading of goods, because continuous pulling rope, make continuous friction between rope and the lifting hook, thereby lead to the continuous fracture of rope, if not in time change, may be at the in-process of transport goods, the rope is because of bearing the gravity that can not live the goods and the fracture, make the goods drop from the high altitude, can cause danger to subaerial staff, in order to solve above-mentioned problem, need the design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lifting hook for a crawler crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lifting hook for crawler crane, includes the lifting hook, the fixed frame of lifting hook lateral wall fixedly connected with, fixed frame lateral wall is equipped with the fixture of centre gripping rope, fixture is including setting up the chamber of placing at fixed frame lateral wall, place the flexible gasbag of intracavity top fixedly connected with, flexible gasbag lateral wall fixedly connected with sliding plate, the lateral wall rotates and is connected with the threaded rod under the sliding plate, threaded rod lower extreme fixedly connected with handle, fixed frame inner wall is equipped with two standing grooves, two standing groove inner wall fixedly connected with inflation gasbag, the inflation gasbag communicates with two inflation gasbags respectively through two air ducts, be equipped with the pressing means who presses down the rope in the fixed frame.

Preferably, pressing means is including setting up a plurality of recesses at fixed frame inner wall, fixed frame inner wall sliding connection has the long board, the long board lateral wall is equipped with spacing chamber, spacing intracavity wall fixedly connected with fixed plate, spacing intracavity is equipped with two movable plates, the fixed plate lateral wall respectively with two movable plate lateral wall elastic connection, two through two springs the equal fixedly connected with circle piece of movable plate lateral wall, the long board lateral wall is equipped with two openings, two the circle piece is located two openings respectively.

Preferably, the inner wall of the placing cavity is fixedly connected with two limiting rods, and the two limiting rods penetrate through the side wall of the sliding plate.

Preferably, the side wall of the grip is sleeved with a rubber sleeve, and the side wall of the rubber sleeve is provided with anti-skid grains.

Preferably, the threaded rod is in threaded connection with the side wall of the fixed frame, and the two expansion air bags are tightly attached to the side wall of the rope.

Preferably, two of the moving plates are respectively located in the two grooves.

The utility model discloses in have following beneficial effect:

1. the device enables the sliding plate to extrude the telescopic air bag by rotating the threaded rod, air in the telescopic air bag enters the expansion air bag along the air guide pipe, the expansion air bag is in contact with the rope, and the rope is fastened, so that the rope is prevented from moving left and right in the moving process of the lifting hook, the friction between the rope and the lifting hook can be reduced, the possibility of rope fracture is reduced, and the safety of workers on the ground is ensured;

2. the two round blocks are pulled to be close to each other, the two movable plates are far away from the groove, the long plate is moved to press the rope, the rope is further prevented from moving, the position of the long plate can be adjusted according to the thickness of the rope, the application range is wide, and the operation is simple.

Drawings

Fig. 1 is a schematic structural view of a lifting hook for a crawler crane according to the present invention;

fig. 2 is an enlarged view of a structure at a position a of the lifting hook for the crawler crane provided by the utility model;

fig. 3 is a front view of a lifting hook for a crawler crane according to the present invention;

fig. 4 is the utility model provides a B department's structure enlargements of lifting hook for crawler crane.

In the figure: 1 lifting hook, 2 fixed frames, 3 openings, 4 placing cavities, 5 telescopic air bags, 6 sliding plates, 7 threaded rods, 8 limiting rods, 9 air guide pipes, 10 grips, 11 placing grooves, 12 expanding air bags, 13 long plates, 14 limiting cavities, 15 moving plates, 16 round blocks, 17 fixed plates and 18 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a lifting hook for a crawler crane comprises a lifting hook 1, wherein a fixing frame 2 is fixedly connected to the side wall of the lifting hook 1.

2 lateral walls of fixed frame are equipped with fixture of centre gripping rope, fixture is including setting up the chamber 4 of placing at 2 lateral walls of fixed frame, place the flexible gasbag 5 of top fixedly connected with in chamber 4, 5 lateral walls fixedly connected with sliding plates 6 of flexible gasbag, place two gag lever posts 8 of 4 inner wall fixedly connected with in chamber, two gag lever posts 8 all run through the 6 lateral walls of sliding plates, make more stable that sliding plates 6 removed, the lateral wall rotates and is connected with threaded rod 7 under the sliding plates 6, threaded

rod

7 and 2 lateral walls threaded connection of fixed frame, 7 lower extreme fixedly connected with handles 10 of threaded rod, handle 10 lateral wall cover has the rubber sleeve, the rubber sleeve lateral wall is equipped with anti-skidding line, prevent that the staff from taking off the hand when rotating

handle

10, 2 inner walls of fixed frame are equipped with two standing grooves 11, 11 inner wall fixedly connected with inflation gasbag 12 of two standing grooves, two inflation gasbags 12 all hug closely with the rope lateral wall, the flexible gasbag 5 communicates with two inflation gasbags 12 through two air ducts 9 respectively.

Be equipped with the pressing means who presses down the rope in fixed frame 2, pressing means is including setting up a plurality of recesses 18 at fixed frame 2 inner wall, 2 inner wall sliding connection of fixed frame has long board 13, long board 13 lateral wall is equipped with

spacing chamber

14, 14 inner wall fixedly connected with fixed plate 17 in spacing chamber, be equipped with two movable plates 15 in the spacing chamber 14, two movable plates 15 are located two recesses 18 respectively, 17 lateral walls of fixed plate through two springs respectively with 15 lateral walls elastic connection of two movable plates, 15 equal fixedly connected with circle pieces 16 of two movable plates lateral walls, long board 13 lateral wall is equipped with two openings 3, two circle pieces 16 are located two openings 3 respectively, 16 extend to outside the long board 13 lateral wall of circle pieces.

When needing to fix the rope, rotate handle 10 to drive threaded rod 7 and rotate, thereby drive sliding plate 6 and upwards remove, make flexible gasbag 5 receive the extrusion, in the air in the flexible gasbag 5 gets into expanded gasbag 12 along air duct 9, expanded gasbag 12 heaves, can carry the rope, prevents that the rope from removing about, has reduced the frictional force between rope and the lifting hook 1.

Two blocks 16 of pulling, make two blocks 16 be close to each other, thereby drive two movable plates 15 and be close to each other, and keep away from recess 18, the spring receives the extrusion this moment, move long board 13 to suitable position, loosen block 16, movable plate 15 keeps away from each other under the spring action of spring, and move to in the recess 18, can realize pressing down to the rope, can further fix the rope, the fracture of having avoided the rope to lead to because of the friction, prevent that the goods from dropping from the high altitude when removing, and then guaranteed staff's safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lifting hook for a crawler crane comprises a lifting hook (1) and is characterized in that a fixed frame (2) is fixedly connected to the side wall of the lifting hook (1), a clamping mechanism for clamping a rope is arranged on the side wall of the fixed frame (2), the clamping mechanism comprises a placing cavity (4) arranged on the side wall of the fixed frame (2), a telescopic air bag (5) is fixedly connected to the inner top of the placing cavity (4), a sliding plate (6) is fixedly connected to the side wall of the telescopic air bag (5), a threaded rod (7) is rotatably connected to the side wall of the sliding plate (6), a handle (10) is fixedly connected to the lower end of the threaded rod (7), two placing grooves (11) are formed in the inner wall of the fixed frame (2), two inflatable air bags (12) are fixedly connected to the inner walls of the two placing grooves (11), and the telescopic air bags (5) are respectively communicated with the two inflatable air bags (12) through two air ducts (9), and a pressing mechanism for pressing the rope is arranged in the fixing frame (2).

2. A lifting hook for a crawler crane according to claim 1, characterized in that the pressing mechanism comprises a plurality of grooves (18) arranged on the inner wall of the fixed frame (2), the inner wall of the fixed frame (2) is slidably connected with a long plate (13), the side wall of the long plate (13) is provided with a limit cavity (14), the inner wall of the limit cavity (14) is fixedly connected with a fixed plate (17), two movable plates (15) are arranged in the limit cavity (14), the side wall of the fixed plate (17) is respectively and elastically connected with the side walls of the two movable plates (15) through two springs, the side walls of the two movable plates (15) are both fixedly connected with round blocks (16), the side wall of the long plate (13) is provided with two openings (3), and the round blocks (16) are respectively located in the two openings (3).

3. A lifting hook for a crawler crane according to claim 1, wherein two limiting rods (8) are fixedly connected to the inner wall of the placing cavity (4), and both limiting rods (8) penetrate through the side wall of the sliding plate (6).

4. A lifting hook for a crawler crane according to claim 1, wherein the side wall of the grip (10) is sleeved with a rubber sleeve, and the side wall of the rubber sleeve is provided with anti-skid lines.

5. A lifting hook for a crawler crane according to claim 1, characterized in that the threaded rod (7) is in threaded connection with a side wall of the fixed frame (2), and both of the inflatable air bags (12) are tightly attached to the side wall of the rope.

6. A lifting hook for a crawler crane according to claim 2, wherein the two moving plates (15) are located in two recesses (18), respectively.