CN213085216U

CN213085216U - Anti-shaking device for lifting hook of bridge crane

Info

Publication number: CN213085216U
Application number: CN202021510917.3U
Authority: CN
Inventors: 高超
Original assignee: Xinhua Intelligent Equipment Jiangsu Co ltd
Current assignee: Xinhua Intelligent Equipment Jiangsu Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-30
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a bridge crane hook anti-swing device, which comprises a suspension device and a hook body, wherein the upper end of the hook body is fixedly arranged inside the suspension device, the upper end of the hook body is provided with a mounting hole, the lower part inside the suspension device is in threaded connection with a connecting shaft, the mounting hole is inserted with the connecting shaft, a fixed block is fixedly arranged above the connecting shaft, two ends of the connecting shaft are provided with connecting plates, the connecting shaft is fixedly arranged inside the suspension device through the connecting plates, the surface of the connecting shaft is provided with threads, the utility model discloses a fixed block is arranged inside the suspension device, and the hook body is stabilized on the surface of the connecting shaft through two limit nuts to limit the hook body from swinging, so that the hook body is firmer inside the suspension device, a limit rod and a spring are arranged on the hook body, and the limit rod utilizes the elasticity, the heavy object is prevented from being unhooked due to other reasons, and the occurrence of falling accidents is reduced.

Description

Anti-shaking device for lifting hook of bridge crane

Technical Field

The utility model belongs to the technical field of the hoist is relevant, concretely relates to bridge crane lifting hook anti-swing device.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

When the existing crane is used, especially when an empty hook moves or a heavy object is transferred, the situation that the lifting hook shakes often occurs, however, once the shaking amplitude is too large, the equipment shakes and skews slightly, and when the lifting hook collides with the periphery or even the heavy object is unhooked, a serious accident is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge crane lifting hook anti-swing device to the lifting hook that proposes in solving above-mentioned background shakes, and light then equipment rocks crooked, and heavy then lifting hook and peripheral collision heavy object unhook even cause serious accident.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device is prevented rocking by bridge crane lifting hook, includes hanging device and coupler body, coupler body upper end fixed mounting is inside hanging device, the coupler body upper end is provided with the mounting hole, the inside below threaded connection of hanging device has the connecting axle, the mounting hole is pegged graft with the connecting axle, the coupler body passes through the mounting hole and connecting axle fixed mounting is inside hanging device, connecting axle top fixed mounting has the fixed block, the connecting axle both ends are provided with the connecting plate, the connecting axle passes through connecting plate fixed mounting inside hanging device, the connecting axle surface is provided with the screw thread.

Preferably, one side of the upper end of the hook body is rotatably connected with a limiting rod, the lower portion of the limiting rod is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the hook body, the bottom end of the limiting rod is fixedly connected with the hook body through the spring, the hook body is located at the hook tip and is provided with a limiting groove, and the bottom end of the limiting rod is inserted into the limiting groove.

Preferably, the hook body top surface welding has the fixture block, the draw-in groove has been seted up on fixed block bottom surface, fixture block and draw-in groove joint, hook body top surface passes through fixture block and draw-in groove and fixed block joint.

Preferably, a first limit nut is arranged at one end of the connecting shaft and is in threaded connection with the connecting shaft through threads formed on the connecting shaft, a second limit nut is arranged at the other end of the connecting shaft and is in threaded connection with the connecting shaft through threads formed on the connecting shaft, and gaskets are arranged on one sides of the first limit nut and the second limit nut.

Preferably, the number of the clamping blocks is multiple, and the clamping grooves are the same as the clamping blocks in number and are matched with the clamping blocks in number.

Preferably, threaded holes are formed in four corners of the connecting plate, and the connecting plate is in threaded connection with one side of the suspension device through the threaded holes.

Compared with the prior art, the utility model provides a bridge crane lifting hook anti-swing device possesses following beneficial effect:

1. the utility model discloses set up the fixed block inside the hanging device, rock around the coupler body through fixture block and the fixed block joint of coupler body upper end reduction, set up screw thread on the connecting axle surface, through adjusting two stop nut with the coupler body firm on the connecting axle surface, rock about the restriction coupler body to make the coupler body inside more firm in hanging device.

2. The utility model discloses set up gag lever post and spring on the coupler body, after having got in touch with the object, the gag lever post utilizes the elasticity of spring to make the heavy object unhook, has reduced the emergence of falling object accident with gag lever post bottom joint in the draw-in groove because of other reasons.

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, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a structure of a hook according to the present invention;

fig. 2 is a cross-sectional view of the suspension device according to the present invention;

fig. 3 is a side view of the suspension device according to the present invention;

in the figure: 1. a suspension device; 2. a hook body; 3. a spring; 4. a limiting groove; 5. a limiting rod; 6. a connecting plate; 7. a threaded hole; 8. a fixed block; 9. a clamping block; 10. a connecting shaft; 11. mounting holes; 12. a card slot; 13. a first limit nut; 14. a gasket; 15. a second limit nut; 16. and (4) threading.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the present invention provides a technical solution for an anti-swaying device of a bridge crane hook: the hanging device comprises a hanging device 1 and a hook body 2, the upper end of the hook body 2 is fixedly arranged in the hanging device 1, the upper end of the hook body 2 is provided with a mounting hole 11, the mounting hole 11 is used for connecting a connecting shaft 10, the lower part in the hanging device 1 is in threaded connection with the connecting shaft 10, the mounting hole 11 is inserted with the connecting shaft 10, the hook body 2 is fixedly arranged in the hanging device 1 through the mounting hole 11 and the connecting shaft 10, a fixed block 8 is fixedly arranged above the connecting shaft 10, connecting plates 6 are arranged at two ends of the connecting shaft 10, the connecting shaft 10 is fixedly arranged in the hanging device 1 through the connecting plates 6, through holes are arranged at two sides of the hanging device 1 and are matched with the connecting shaft 10 in size, the connecting shaft 10 is inserted in the hanging device 1 through the through holes, the connecting plates 6 are reinforced on the hanging device 1, threaded, the thread connection is firmer and convenient to detach, the surface of the connecting shaft 10 is provided with threads 16, the provided threads 16 are used for installing a first limit nut 13 and a second limit nut 15, one end of the connecting shaft 10 is provided with the first limit nut 13, the first limit nut 13 is in thread connection with the connecting shaft 10 through the threads 16 provided on the connecting shaft 10, the other end of the connecting shaft 10 is provided with the second limit nut 15, the second limit nut 15 is in thread connection with the connecting shaft 10 through the threads 16 provided on the connecting shaft 10, one sides of the first limit nut 13 and the second limit nut 15 are both provided with gaskets 14, the gaskets 14 increase the contact area of the first limit nut 13 and the second limit nut 15 and the hook body 2, so as to increase the friction force, the hook body 2 is stabilized on the surface of the connecting shaft 10 by adjusting the first limit nut 13 and the second limit nut 15, so as to limit the left and right shaking of the hook body 2, so that the hook body, one side of the upper end of a hook body 2 is rotatably connected with a limiting rod 5, the lower part of the limiting rod 5 is fixedly connected with one end of a spring 3, the other end of the spring 3 is fixedly connected with the hook body 2, the bottom end of the limiting rod 5 is fixedly connected with the hook body 2 through the spring 3, a limiting groove 4 is arranged at the hook tip of the hook body 2, the bottom end of the limiting rod 5 is inserted into the limiting groove 4, when a heavy object is hooked, the limiting rod 2 is pressed down, then the heavy object is hung on the hook body 2, after the hook is hooked, the limiting rod 5 is loosened, the bottom end of the limiting rod 5 is clamped in the limiting groove 4 through the elasticity of the spring 3, the heavy object is prevented from being unhooked due to other reasons, the occurrence of falling object accidents is reduced, a clamping block 9 is welded on the surface of the top end of the hook body 2, a clamping groove 12 is arranged on the surface of the bottom end of a fixing block, through the joint of the clamping blocks 9 and the clamping grooves 12, the hook body 2 is clamped inside the suspension device 1, the clamping grooves 12 and the clamping blocks 9 limit the hook body 2 to move back and forth, the quantity of the clamping blocks 9 is multiple, and the clamping grooves 12 are the same as and matched with the clamping blocks 9 in quantity.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the utility model is used without errors in inspection, when a heavy object is hooked, the limiting rod 5 is pressed, because one end of the limiting rod 5 is rotationally connected with the hook body 2, the bottom end of the limiting rod 5 is away from the hook body 2, then the heavy object is hung on the hook body 2, after the hook is hooked, the limiting rod 5 is loosened, the limiting rod 5 bounces the limiting rod 5 through the elasticity of the spring 3, the rotating connection part of the limiting rod 5 and the hook body 2 rotates, the part of the limiting rod 5 is clamped in the limiting groove 4, the heavy object is limited and fixed in the hook body 2, the heavy object is prevented from unhooking due to other reasons, the occurrence of falling object accidents is reduced, through the fixed block 8 arranged in the suspension device 1, the clamping block 2 at the upper end of the hook body 2 is clamped in the fixed block 8 to reduce the front and back shaking of the hook body 2, and the hook body 2 is stabilized on the surface of the connecting shaft 10 through the adjustment of the first limiting nut 13 and, the hook body 2 is restrained from rocking left and right, and the hook body 2 is made more firm inside the suspension device 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bridge crane lifting hook anti-swing device, includes hanging device (1) and coupler body (2), its characterized in that: hook (2) upper end fixed mounting is inside in hanging device (1), hook (2) upper end is provided with mounting hole (11), the inside below threaded connection of hanging device (1) has connecting axle (10), mounting hole (11) are pegged graft with connecting axle (10), hook (2) are inside in hanging device (1) through mounting hole (11) and connecting axle (10) fixed mounting, connecting axle (10) top fixed mounting has fixed block (8), connecting axle (10) both ends are provided with connecting plate (6), connecting axle (10) are inside in hanging device (1) through connecting plate (6) fixed mounting, connecting axle (10) surface is provided with screw thread (16).

2. The anti-sway device for a bridge crane hook as claimed in claim 1, wherein: the hook is characterized in that one side of the upper end of the hook body (2) is rotatably connected with a limiting rod (5), the lower portion of the limiting rod (5) is fixedly connected with one end of a spring (3), the other end of the spring (3) is fixedly connected with the hook body (2), the bottom end of the limiting rod (5) is fixedly connected with the hook body (2) through the spring (3), the hook body (2) is located at the hook tip and is provided with a limiting groove (4), and the bottom end of the limiting rod (5) is inserted into the limiting groove (4).

3. The anti-sway device for a bridge crane hook as claimed in claim 1, wherein: hook (2) top surface welding has fixture block (9), draw-in groove (12) have been seted up on fixed block (8) bottom surface, fixture block (9) and draw-in groove (12) joint, hook (2) top surface is through fixture block (9) and draw-in groove (12) and fixed block (8) joint.

4. The anti-sway device for a bridge crane hook as claimed in claim 1, wherein: the connecting shaft is characterized in that a first limiting nut (13) is arranged at one end of the connecting shaft (10), the first limiting nut (13) is in threaded connection with the connecting shaft (10) through a thread (16) formed in the connecting shaft (10), a second limiting nut (15) is arranged at the other end of the connecting shaft (10), the second limiting nut (15) is in threaded connection with the connecting shaft (10) through the thread (16) formed in the connecting shaft (10), and a gasket (14) is arranged on one side of each of the first limiting nut (13) and the second limiting nut (15).

5. A bridge crane hook anti-sway device as claimed in claim 3, wherein: the number of the clamping blocks (9) is multiple, and the clamping grooves (12) are the same as the number of the clamping blocks (9) and are matched with the clamping blocks.

6. The anti-sway device for a bridge crane hook as claimed in claim 1, wherein: threaded holes (7) are formed in four corners of the connecting plate (6), and the connecting plate (6) is in threaded connection with one side of the suspension device (1) through the threaded holes (7).