CN214935351U

CN214935351U - Anti-falling device of crawler crane

Info

Publication number: CN214935351U
Application number: CN202121731781.3U
Authority: CN
Inventors: 谢淑贤; 谢翔; 廖艳清; 龚海辉
Original assignee: Changsha Chusheng Technology Co ltd
Current assignee: Changsha Chusheng Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-30
Anticipated expiration: 2031-07-28

Abstract

The utility model provides a crawler crane anti-falling device relates to hoist technical field, the utility model discloses, including arm, pulley, hoist, couple and anti-falling device, the one end swing joint of arm has the pulley, the one end swing joint that the arm was kept away from to the pulley has the hoist, the one end swing joint that the pulley was kept away from to the hoist has the couple, the one end of couple is equipped with anti-falling device, anti-falling device includes the rotor plate, rotor plate one end and couple rotate to be connected, the fixed orifices has been seted up to one side of rotor plate. The utility model discloses, through the pulling arm-tie for the arm-tie drives the dead lever and slides to keeping away from "U" font welding piece direction, rotates the rotor plate of couple one end again, makes the rotor plate turn to in "U" font welding piece, makes the one end and the bottom plate swing joint of rotor plate, has solved the unable closure of current couple, and the problem that the rope in the couple may break away from when using.

Description

Anti-falling device of crawler crane

Technical Field

The utility model relates to a hoist technical field especially relates to a crawler crane prevents device that falls.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, the crane is of a vehicle-mounted type and a crawler type, and the crawler type crane is a full-rotation movable arm frame type crane with a crawler traveling device.

The purchase on the hoist has the couple, goes up and down with the rope cover on the couple usually, because the couple belongs to the state of opening, when carrying out work, can have the rope to follow the condition that breaks away from on the couple to lead to the problem that the object on rope and the rope dropped, it is very important to combine above-mentioned problem to develop one kind to have anti falling ability hoist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a falling-preventing device of a crawler crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a crawler crane anti-falling device, includes arm, pulley, hoist, couple and anti-falling device, the one end swing joint of arm has the pulley, the one end swing joint that the arm was kept away from to the pulley has the hoist, the one end swing joint that the pulley was kept away from to the hoist has the couple, the one end of couple is equipped with anti-falling device, anti-falling device includes the rotor plate, rotor plate one end and couple rotate to be connected, the fixed orifices has been seted up to one side of rotor plate, the inner wall welding of couple has the welding piece, the welding piece is "U" font, the one end of welding piece is slided and is inserted and is equipped with the dead lever, the size and the dead lever size looks adaptation of fixed orifices are as fixed rotor plate, the inside fixedly connected with bottom plate of welding piece, the bottom plate plays the effect of sheltering from the rotor plate.

The end of the fixed rod, far away from the welding block, is fixedly provided with a pulling plate, and one end of the pulling plate is provided with a threaded hole.

And a convex arm is fixedly arranged on one side of the welding block, a first threaded rod is connected to one end of the convex arm in a threaded manner, and the first threaded rod is connected with the threaded hole of the pulling plate in a threaded manner.

The one end that the hoist is close to the couple is equipped with fixing device, fixing device includes the lug, the lug is "T" font of falling, the one end sliding connection that the hoist is close to the couple has the slider, the one end welding that the slider is close to the lug has the arm lock, the arm lock is "C" font, and the lug is close to the one end of arm lock and has seted up the square groove, square groove and arm lock joint.

The hanger is close to the one end welding of couple and has the base, the one end fixed mounting that the base is close to the slider has first spring, the one end and the slider fixed mounting of base are kept away from to first spring.

And the two sides of the lug are in threaded connection with second threaded rods, the two sides of the clamping arm are provided with threaded holes, and the threaded holes are in threaded connection with the second threaded rods.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the pulling plate is pulled to drive the fixed rod to slide towards the direction far away from the U-shaped welding block, the rotating plate at one end of the hook is rotated to turn the rotating plate into the U-shaped welding block, one end of the rotating plate is movably connected with the bottom plate, the fixed rod on the fixed block welding block on the rotating plate is on the same straight line at the moment, the pulling plate is pushed to reset the fixed rod, the fixed rod passes through the inner wall of the fixed hole welding block on the rotating plate to be clamped and fixed, the threaded hole on the pulling plate and the first threaded rod are on the same horizontal line at the moment, the first threaded rod on the convex arm is twisted to fix the first threaded rod and the threaded hole on the pulling plate, the pulling plate and the fixed rod are fixed by the fixed rod, the rotating plate is fixed, thereby the rotating plate closes the hook, through setting the anti-falling device, a single pulling plate component is adopted, the hook can be quickly closed, make the couple when the handling goods, the problem that the goods breaks away from can not appear, improved the security of handling, ensured the efficiency of handling goods simultaneously for this anti-falling device sets up and has more the practicality.

2. In the utility model, the first spring on the base recovers elasticity by loosening the slide block, the first spring drives the slide block and the C-shaped clamping arm to slide towards the direction far away from the base, the C-shaped clamping arm enters the inverted T-shaped convex block, so that the hook is clamped and fixed by the C-shaped clamping arm, the clamping arm is clamped with the square groove of the lug, the threaded hole on the clamping arm and the second threaded rod on the lug are on the same straight line, the second threaded rod is rotated to enter the threaded hole of the clamping arm for fixing, the clamping arm is fixed by the second threaded rod, thereby the hook is fixed by the clamping arm, and by arranging the fixing device and adopting the slide block component with single control, can be so that the couple is fixed not changeing for when the handling goods, can not produce the condition of rocking, further improved the security of handling, guarantee hoist couple low staff's life does not receive the threat, has improved this fixing device's practicality.

Drawings

Fig. 1 is a schematic perspective view of an anti-falling device of a crawler crane according to the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic structural view of a lifting tool in an anti-drop device of a crawler crane according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 according to the present invention at position C;

fig. 6 is the utility model provides a structural schematic diagram of the anti-falling device part in the anti-falling device of the crawler crane.

Illustration of the drawings: 1. a mechanical arm; 2. a pulley; 3. a spreader; 4. hooking; 5. an anti-drop device; 51. a rotating plate; 52. a fixing hole; 53. welding the blocks; 54. a base plate; 55. fixing the rod; 56. pulling a plate; 57. a convex arm; 58. a first threaded rod; 6. a fixing device; 61. a bump; 62. a second threaded rod; 63. a slider; 64. clamping arms; 65. a base; 66. a first spring.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 6, a crawler crane anti-falling device includes a mechanical arm 1, a pulley 2, a hanger 3, a hook 4 and an anti-falling device 5, wherein one end of the mechanical arm 1 is movably connected with the pulley 2, one end of the pulley 2 away from the mechanical arm 1 is movably connected with the hanger 3, and one end of the hanger 3 away from the pulley 2 is movably connected with the hook 4.

The specific arrangement and function of the fall-preventing means 5 and the fixing means 6 will be described in detail below.

As shown in fig. 3 and 6, one end of the hook 4 is provided with the falling prevention device 5, the falling prevention device 5 comprises a rotating plate 51, one end of the rotating plate 51 is rotatably connected with the hook 4, one side of the rotating plate 51 is provided with a fixing hole 52, the inner wall of the hook 4 is welded with a welding block 53, the welding block 53 is in a U shape, one end of the welding block 53 is slidably inserted with a fixing rod 55, the size of the fixing hole 52 is matched with the size of the fixing rod 55 to be used as the fixing rotating plate 51, the inner part of the welding block 53 is fixedly connected with a bottom plate 54, and the bottom plate 54 plays a role of shielding the rotating plate 51.

A pulling plate 56 is fixedly mounted at one end, far away from the welding block 53, of the fixing rod 55, a threaded hole is formed in one end of the pulling plate 56, a convex arm 57 is fixedly mounted at one side of the welding block 53, a first threaded rod 58 is in threaded connection with one end of the convex arm 57, and the first threaded rod 58 is in threaded connection with the threaded hole of the pulling plate 56.

The whole anti-falling device 5 achieves the effects that the pulling plate 56 is pulled to enable the pulling plate 56 to drive the fixed rod 55 to slide towards the direction away from the U-shaped welding block 53, then the rotating plate 51 at one end of the hook 4 is rotated to enable the rotating plate 51 to turn into the U-shaped welding block 53, so that one end of the rotating plate 51 is movably connected with the bottom plate 54, the fixed rod 55 on the fixed block welding block 53 on the rotating plate 51 is on the same straight line, the pulling plate 56 is pushed to reset the fixed rod 55, the fixed rod 55 penetrates through the inner wall of the fixed hole 52 welding block 53 on the rotating plate 51 to be clamped and fixed, at the moment, the threaded hole on the pulling plate 56 and the first threaded rod 58 are on the same horizontal line, the first threaded rod 58 on the convex arm 57 is screwed, so that the first threaded rod 58 and the threaded hole on the pulling plate 56 are fixed, the pulling plate 56 and the fixed rod 55 are fixed by the fixed rod 55, thereby make rotor plate 51 closed 4 with the couple, through setting up anti-falling device 5, adopt single arm-tie 56 part, can be quick make couple 4 closed for couple 4 can not appear the problem that the goods breaks away from when the handling goods, improved the security of handling, ensured the efficiency of handling goods simultaneously, make this anti-falling device setting have more the practicality.

As shown in fig. 4 and 5, the fixing device 6 is arranged at one end of the hanger 3 close to the hook 4, the fixing device 6 comprises a convex block 61, the convex block 61 is in an inverted "T" shape, a sliding block 63 is slidably connected to one end of the hanger 3 close to the hook 4, a clamping arm 64 is welded at one end of the sliding block 63 close to the convex block 61, the clamping arm 64 is in a "C" shape, a square groove is formed at one end of the convex block 61 close to the clamping arm 64, and the square groove of the convex block 61 plays a role in clamping the clamping arm 64.

The one end welding that hoist 3 is close to couple 4 has base 65, and the one end fixed mounting that base 65 is close to slider 63 has first spring 66, and the one end and the slider 63 fixed mounting that base 65 were kept away from to first spring 66, and the both sides threaded connection of lug 61 has second threaded rod 62, and threaded hole, threaded hole and the threaded connection of second threaded rod 62 are seted up to the both sides of arm lock 64.

The whole fixing device 6 has the effects that the first spring 66 on the base 65 recovers elasticity by loosening the slide block 63, the first spring 66 drives the slide block 63 and the C-shaped clamping arm 64 to slide towards the direction far away from the base 65, the C-shaped clamping arm 64 enters the inverted T-shaped lug 61, the C-shaped clamping arm 64 clamps and fixes the hook 4, the clamping arm 64 is clamped with the square groove of the lug 61, at the moment, the threaded hole on the clamping arm 64 and the second threaded rod 62 on the lug 61 are on the same straight line, the second threaded rod 62 is rotated to enter the threaded hole of the clamping arm 64 for fixing, the second threaded rod 62 fixes the clamping arm 64, so that the hook 4 is fixed by the clamping arm 64, the hook 4 can be fixed without rotating by arranging the fixing device 6 and adopting a single slide block 63 part for controlling, so that the condition of shaking can not occur when goods are lifted, and the lifting safety is further improved, the life of the staff with the hook 4 of the crane is not threatened, and the practicability of the fixing device 6 is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a crawler crane prevents device that falls, includes arm (1), pulley (2), hoist (3), couple (4) and prevents falling device (5), its characterized in that: the one end swing joint of arm (1) has pulley (2), the one end swing joint that arm (1) was kept away from in pulley (2) has hoist (3), the one end swing joint that pulley (2) were kept away from in hoist (3) has couple (4), the one end of couple (4) is equipped with prevents falling device (5), prevent falling device (5) including rotor plate (51), rotor plate (51) one end and couple (4) rotate the connection, fixed orifices (52) have been seted up to one side of rotor plate (51), the inner wall welding of couple (4) has welding block (53), welding block (53) are "U" font, the one end of welding block (53) is slided and is inserted and is equipped with dead lever (55), the size and the dead lever (55) size looks adaptation of fixed orifices (52).

2. A crawler crane fall prevention device according to claim 1, wherein: the welding block (53) is fixedly connected with a bottom plate (54) inside.

3. A crawler crane fall prevention device according to claim 2, wherein: one end, far away from the welding block (53), of the fixing rod (55) is fixedly provided with a pulling plate (56), and one end of the pulling plate (56) is provided with a threaded hole.

4. A crawler crane fall prevention device according to claim 1, wherein: one side of the welding block (53) is fixedly provided with a convex arm (57), one end of the convex arm (57) is in threaded connection with a first threaded rod (58), and the first threaded rod (58) is in threaded connection with a threaded hole of the pull plate (56).

5. A crawler crane fall prevention device according to claim 1, wherein: hoist (3) are close to the one end of couple (4) and are equipped with fixing device (6), fixing device (6) include lug (61), lug (61) are down "T" font, the one end sliding connection that hoist (3) are close to couple (4) has slider (63), the one end welding that slider (63) are close to lug (61) has arm lock (64), arm lock (64) are "C" font, the one end that lug (61) are close to arm lock (64) has seted up the square groove, square groove and arm lock (64) joint.

6. A crawler crane anti-falling device according to claim 5, wherein: the hanger is characterized in that a base (65) is welded at one end, close to the hook (4), of the hanger (3), a first spring (66) is fixedly mounted at one end, close to the sliding block (63), of the base (65), and one end, far away from the base (65), of the first spring (66) and the sliding block (63) are fixedly mounted.

7. A crawler crane anti-falling device according to claim 5, wherein: the both sides threaded connection of lug (61) has second threaded rod (62), the screw hole is seted up to the both sides of arm lock (64), and screw hole and second threaded rod (62) threaded connection.