CN215364476U

CN215364476U - Suspension hook swinging limiting device of bridge crane

Info

Publication number: CN215364476U
Application number: CN202121834176.9U
Authority: CN
Inventors: 付兴; 刘超; 刘江磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a suspension hook swinging limiting device of a bridge crane, and belongs to the technical field of bridge cranes. The utility model provides a bridge crane's lifting hook dangling stop device, includes the couple, couple upper portion fixedly connected with stopper, and the stopper overcoat is equipped with the movable frame, is equipped with the connecting rod in the movable frame, and the connecting rod upside is equipped with the pulley, and the pulley left and right ends all rotates and is connected with the davit, and davit outer wall downside is equipped with the handle, and equal sliding connection has the fixture block in the handle inner wall front and back end, and the fixture block outer wall passes through the spring to be connected fixedly with the handle. According to the utility model, when the hook lifts cargoes, the hook is influenced by gravity to enable the connecting rod to move to the lower side on the sliding groove B, when the limiting tooth A is clamped with the limiting tooth B, the hook cannot rotate in the horizontal direction, and when the connecting rod is clamped with the lower part of the sliding groove B, the movable frame cannot swing in the suspension arm, so that the hook cannot swing is effectively ensured, the stability of the hook during lifting cargoes is improved, and energy conservation and emission reduction are realized.

Description

Suspension hook swinging limiting device of bridge crane

Technical Field

The utility model relates to the technical field of bridge cranes, in particular to a hook swinging limiting device of a bridge crane.

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. At present, a lifting hook in a bridge crane is movably connected with a lifting arm, the lifting arm is connected with a lifting rope through a pulley, but the lifting hook is easy to swing due to the movable connection with the lifting arm during lifting, so that the lifting hook drives goods to swing when the goods are lifted, the danger during lifting of the goods is increased, and the energy consumption of a trolley and a cart during moving is also increased. In view of this, we propose a suspension hook swing limiting device of a bridge crane.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a hook suspended pendulum limiting device of a bridge crane, which aims to solve the problems in the background technology.

2. Technical scheme

The utility model provides a bridge crane's lifting hook dangling stop device, includes the couple, couple upper portion fixedly connected with stopper, the stopper overcoat is equipped with the activity frame, be equipped with the connecting rod in the activity frame, the connecting rod upside is equipped with the pulley, the pulley left and right ends all rotates and is connected with the davit, davit outer wall downside is equipped with the handle, equal sliding connection has the fixture block in the handle inner wall front and back end, the fixture block outer wall passes through the spring and is connected fixedly with the handle.

Preferably, the stopper bottom surface is a plurality of spacing tooth A of equidistant fixedly connected with of loop type, the top surface is a plurality of spacing tooth B of equidistant fixedly connected with of loop type in the activity frame, spacing tooth A and spacing tooth B joint cooperation.

Preferably, the upper portion of the connecting rod is of a cylindrical structure, the lower portion of the connecting rod is of a rectangular structure, the lower end of the middle of the connecting rod is rotatably connected with a rotating ring fixedly connected with the top surface of the hook, and the connecting rod is in sliding connection with sliding grooves A formed in the left end and the right end of the movable frame.

Preferably, the lower portion of the suspension arm is provided with a sliding groove B, the upper portion of the sliding groove B is of a circular structure, the lower portion of the sliding groove B is of a rectangular structure, the upper portion of the sliding groove B is rotatably connected with the connecting rod, and the lower portion of the sliding groove B is slidably connected with the connecting rod.

Preferably, the middle part of the inner end of the handle is rotatably connected with the connecting rod, and the inner wall of the handle is in frictional contact with the suspension arm.

Preferably, four clamping grooves are formed in the lower portion of the outer wall of the suspension arm in a rectangular structure, and the inner ends of the clamping blocks are in clamping fit with the clamping grooves.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, when the hook lifts cargoes, the hook is influenced by gravity to drive the movable frame connected with the connecting rod in a sliding manner to descend, meanwhile, the connecting rod moves to the lower side on the sliding groove B, when the limiting tooth A is clamped with the limiting tooth B, the hook cannot rotate in the horizontal direction, and when the connecting rod is clamped with the lower part of the sliding groove B, the movable frame cannot swing in the suspension arm, so that the hook cannot swing is effectively ensured, the stability of the hook during lifting cargoes is improved, energy is saved, and emission is reduced.

2. According to the utility model, the handle is lifted upwards, when the handle drives the clamping block to be clamped with the clamping groove at the lower side, the clamping connection between the hook and the limiting tooth B is cancelled by the handle, so that the hook can horizontally rotate in the movable frame, and when the handle drives the clamping block to be clamped with the clamping groove at the upper side, the connecting rod can rotate at the upper part of the sliding groove B, so that the hook connected with the movable frame is driven to swing, the direction and the angle of the hook can be conveniently adjusted, and the goods can be quickly hooked.

Drawings

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

FIG. 2 is a schematic view of the movable frame, the suspension arm and the handle of the present invention;

FIG. 3 is a schematic diagram of a structure of a hook and a movable frame according to the present invention;

FIG. 4 is an enlarged anatomical illustration of the structure at A in the present invention;

the reference numbers in the figures illustrate: 1. hooking; 2. a limiting block; 3. a limiting tooth A; 4. a movable frame; 401. a chute A; 5. a limiting tooth B; 6. a connecting rod; 7. a rotating ring; 8. a pulley; 9. a suspension arm; 901. a chute B; 902. a card slot; 10. a handle; 11. a clamping block; 12. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a bridge crane's lifting hook dangling stop device, includes

couple

1, and 1 upper portion fixedly connected with stopper 2 of couple, 2 overcoat of stopper are equipped with movable frame 4, are equipped with connecting rod 6 in the

movable frame

4, and 6 upsides of connecting rod are equipped with pulley 8, and the end is all rotated about pulley 8 and is connected with

davit

9, and 9 outer wall belows of davit are equipped with handle 10, and equal sliding connection has fixture block 11 in the front and back end of handle 10 inner wall, and fixture block 11 outer wall passes through spring 12 to be connected fixedly with handle 10. When the hook 1 needs to hang and take goods, the handle 10 is lifted upwards, when the handle 10 drives the clamping block 11 to be clamped with the clamping groove 902 on the lower side, the handle 10 drives the hook 1 which is rotationally connected with the connecting rod 6 to ascend, so that the clamping connection between the limiting tooth A3 and the limiting tooth B5 is cancelled, the hook 1 can rotate in the limiting frame 4 in the horizontal direction, when the handle 10 drives the clamping block 11 to be clamped with the clamping groove 902 on the lower side, the connecting rod 6 ascends to the upper part of the sliding groove B901, at the moment, the movable frame 4 can rotate in the sliding groove B901 through the connecting rod 6, so as to drive the hook 1 to swing, when the pulley 8 drives the whole body to move upwards, the hook 1 is influenced by self weight, the hook 1 drives the handle 10 to descend to the lowest side, the limiting tooth A3 is clamped with the limiting tooth B5, and two ends of the connecting rod 6 are limited in the lower part of the sliding groove B901, so that the hook 1 is limited.

Specifically, the bottom surface of the limiting block 2 is in a ring shape and is fixedly connected with a plurality of limiting teeth A3 at equal intervals, the inner top surface of the movable frame 4 is in a ring shape and is fixedly connected with a plurality of limiting teeth B5 at equal intervals, and the limiting teeth A3 are in clamping fit with the limiting teeth B5.

Further, connecting rod 6 upper portion is the cylinder type structure, and the lower part is the rectangle structure, and connecting rod 6 middle part lower extreme rotates with the rotating ring 7 of couple 1 top surface fixed connection and is connected, connecting rod 6 and the spout A401 sliding connection that the end all seted up about movable frame 4.

Further, the lower portion of the suspension arm 9 is provided with a sliding groove B901, the upper portion of the sliding groove B901 is of a circular structure, the lower portion of the sliding groove B901 is of a rectangular structure, the upper portion of the sliding groove B901 is rotatably connected with the connecting rod 6, and the lower portion of the sliding groove B901 is slidably connected with the connecting rod 6.

Furthermore, the middle part of the inner end of the handle 10 is rotatably connected with the connecting rod 6, and the inner wall of the handle 10 is in friction contact with the suspension arm 9.

In addition, the lower part of the outer wall of the suspension arm 9 is rectangular and is provided with four clamping grooves 902, and the inner ends of the clamping blocks 11 are clamped and matched with the clamping grooves 902.

The working principle is as follows: the pulley 8 of the utility model is connected with a bridge crane through a lifting rope, when the hook 1 needs to hang and take goods, the handle 10 is lifted upwards, the handle 10 drives the clamping block 11 to be clamped with the clamping groove 902 at the lower side, the handle 10 drives the hook 1 which is rotationally connected with the connecting rod 6 to ascend, the hook 1 drives the limiting tooth A3 at the bottom of the limiting block 2 to be clamped with the limiting tooth B5 to be cancelled, so that the hook 1 can rotate in the horizontal direction in the limiting frame 4, when the handle 10 is continuously lifted to drive the clamping block 11 to be clamped with the clamping groove 902 at the upper side, the connecting rod 6 ascends to the upper part of the sliding groove B901, at the moment, the movable frame 4 can rotate in the sliding groove B901 through the connecting rod 6, so as to drive the hook 1 to swing, so that the hook 1 can flexibly adjust the direction and hang and take goods, when the whole body of the utility model moves upwards, the hook 1 is influenced by self weight, the hook 1 drives the handle 10 which is connected with the two ends of the connecting rod 6 to descend to the lowest side, the limiting tooth A3 is clamped with the limiting tooth B5, and two ends of the connecting rod 6 are limited in the lower part of the sliding groove B901, so that the hook 1 is limited.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge crane's lifting hook dangling stop device, includes couple (1), its characterized in that: couple (1) upper portion fixedly connected with stopper (2), stopper (2) overcoat is equipped with movable frame (4), be equipped with connecting rod (6) in movable frame (4), connecting rod (6) upside is equipped with pulley (8), pulley (8) left and right ends all rotate and are connected with davit (9), davit (9) outer wall downside is equipped with handle (10), equal sliding connection has fixture block (11) in handle (10) inner wall front and back end, fixture block (11) outer wall passes through spring (12) and is connected fixedly with handle (10).

2. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: stopper (2) bottom surface is a plurality of spacing teeth A (3) of equidistant fixedly connected with of loop type, the equidistant fixedly connected with a plurality of spacing teeth B (5) of loop type are personally submitted in activity frame (4), spacing tooth A (3) and spacing tooth B (5) joint cooperation.

3. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: connecting rod (6) upper portion is the cylinder type structure, and the lower part is rectangular structure, just connecting rod (6) middle part lower extreme rotates with couple (1) top surface fixed connection's rotating ring (7) to be connected, spout A (401) sliding connection that connecting rod (6) and movable frame (4) left and right ends were all seted up.

4. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: the lower part of the suspension arm (9) is provided with a sliding groove B (901), the upper part of the sliding groove B (901) is of a circular structure, the lower part of the sliding groove B (901) is of a rectangular structure, the upper part of the sliding groove B (901) is rotatably connected with the connecting rod (6), and the lower part of the sliding groove B (901) is slidably connected with the connecting rod (6).

5. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: the middle part of the inner end of the handle (10) is rotatably connected with the connecting rod (6), and the inner wall of the handle (10) is in friction contact with the suspension arm (9).

6. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: four clamping grooves (902) are formed in the lower portion of the outer wall of the suspension arm (9) in a rectangular structure, and the inner ends of the clamping blocks (11) are in clamping fit with the clamping grooves (902).