CN220264996U - Crane stop device - Google Patents

Abstract

The utility model discloses a crane stop device, which belongs to the field of auxiliary accessories of hoisting machinery and comprises a rotary clamping mechanism, a wedge and an extension plate; the bottom surface of the wedge is fixedly connected with the upper surface of the rear part of the extension plate; limiting plates are connected to two sides of the bottom surface of the extension plate, and steel rails are clamped through the limiting plates at two sides; the rotary clamping mechanism comprises a rotating plate, a connecting rod, a tension spring and a clamping plate; the tension spring is used for connecting the upper end of the clamping plate with the connecting rod, and the connecting rod is kept at an initial position through elasticity. Compared with the prior art, the method has the characteristics of safety and rapidness.

Description

Crane stop device

Technical Field

The utility model relates to an auxiliary accessory of hoisting machinery, in particular to a stop device of a crane.

Background

The crane is a hoisting and carrying machine widely used in ports, workshops, construction sites and the like, has huge body size, and needs to be stopped for repair when faults occur, but because other cranes can possibly have new tasks at any time, another forward crane can often appear to be started when repair occurs. Because the repair is carried out at high altitude, accidents are easy to occur without blocking measures, special persons generally take care of the ground and observe the surrounding conditions, but sometimes workshop staff do not pay attention to the situation, the accidents still occur sometimes, the lives of repair staff are threatened, and the damage is caused to factories and countries.

According to the technical problems, the utility model provides a novel crane stop device which can be quickly installed and controlled and consists of a wedge, a track clamping plate, a wedge extension plate, a rotary clamping device and the like, and is characterized in that the device is prevented from being fixed on a track through the rotary device, when a traveling crane is started, wheels are pressed on the wedge extension plate and continue to rotate on the wedge, the crane stops advancing, and when the crane is started, a person pulls up the rotary device through a fixed hemp rope, so that the fixed device is opened, and the track clamp is lifted; the wedge extension plate and the rotary fixing device are adopted to ensure that the rail clip is prevented from being crashed when the crane is opened, the fixing device ensures the strength of a stress point, thoroughly protects the personal safety of repair personnel, avoids the occurrence of safety accidents, lightens the whole weight and is convenient for the operators to carry.

Disclosure of Invention

The technical task of the utility model is to overcome the defects in the prior art, and provide a crane stop device which can be quickly assembled and disassembled, and a person can set a device for finishing the stop of a crane track in a safety railing without entering a crane running area.

The technical scheme for solving the technical problems is as follows: a crane stop device, characterized in that: comprises a rotary clamping mechanism, a wedge and an extension plate; the front side of the wedge is an inclined plane, and faces to the crane wheel, and the bottom surface of the wedge is fixedly connected with the upper surface of the rear part of the extension plate; limiting plates are connected to two sides of the bottom surface of the extension plate, and steel rails are clamped through the limiting plates at two sides; the rotary clamping mechanism comprises a rotating plate, a connecting rod, a tension spring and a clamping plate; the lower part of the rotating plate is provided with a through hole, a screw rod penetrates through the through hole to be connected with the rear part of the wedge, and two limit nuts are arranged on the screw rod and used for limiting the rotating plate; the rotating plate is in rotary connection with the screw rod; the upper part of the rotating plate is provided with two shackles, and the lower part of the clamping plate is rotationally connected with the rear end of the limiting plate through a pin shaft; the outer end of the connecting rod is hinged with the upper end of the clamping plate, and the inner end of the connecting rod is hinged with the rotating plate through a hinge shaft; the tension spring is used for connecting the upper end of the clamping plate with the connecting rod, and the connecting rod is kept at an initial position through elasticity.

Further, the inclined surface is a concave cambered surface.

Further, the wedge is composed of two side plates and a back plate.

Further, the width of the extension plate is larger than the width of the wedge.

Further, the shackle is a shackle hole.

Further, the shackle, the hinge shafts of the two connecting rods and the screw are on the same axis.

Further, the initial position is: maintaining the axis at an angle to the rail by a tension spring without external force intervention; and when the clamping plate is in the initial position, the lower end of the clamping plate clamps the steel rail.

Further, the angle is 90-110 degrees.

Compared with the prior art, the utility model has the following outstanding beneficial effects:

1. the utility model can effectively prevent the crane from advancing, thereby achieving the parking effect;

2. the operation of entering the crane track operation area by personnel can be avoided in the installation and disassembly operations, the risk of the personnel being injured by vehicles is eliminated, and the personal safety of maintenance personnel is improved;

3. simple structure, light overall weight, convenient use and convenient popularization.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of the rotary clamping mechanism of the present utility model in a released state.

Fig. 4 is a schematic view of the initial state of the rotary clamping mechanism of the present utility model.

Wherein: the device comprises a 1-rotary clamping mechanism, a 2-wedge, a 3-extension plate, a 4-rotary plate, a 5-connecting rod, a 6-tension spring, a 7-clamping plate, an 8-pin roll, a 9-steel rail, a 10-limiting plate, an 11-screw, a 12-hinge shaft and a 13-shackle.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description. Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the following embodiments, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

For better description, the direction of the crane is the front, i.e. the right direction in fig. 1, and vice versa. It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," "end," "side," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing and simplifying the description of the embodiments of the present utility model, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

As shown in fig. 1 to 4, the present utility model is a crane stopping device comprising a rotary clamping mechanism 1, a wedge 2 and an extension plate 3.

The front side of the wedge 2 is an inclined plane facing the crane wheel, and in the optimization scheme, the inclined plane is a concave cambered surface. In this embodiment, the wedge 2 is composed of two side plates and a back plate, so as to not increase the weight of the device and facilitate the carrying of operators under the condition of increasing the stress surface.

The bottom surface of the wedge 2 is fixedly connected with the upper surface of the rear part of the extension plate 3, and the extension plate 3 is placed on the steel rail 9. Limiting plates 10 are connected to two sides of the bottom surface of the extension plate 3, and steel rails 9 are clamped through the limiting plates 10 on the two sides. In this embodiment, the width of the extension plate 3 is greater than the width of the wedge 2.

The rotary clamping mechanism 1 comprises a rotating plate 4, a connecting rod 5, a tension spring 6 and a clamping plate 7.

The lower part of the rotating plate 4 is provided with a through hole, a screw rod 11 penetrates through the through hole to be connected with the rear part of the wedge 2, and two limit nuts are arranged on the screw rod 11 and used for limiting the rotating plate 4. The rotating plate 4 is in rotary connection with the screw 11. In the upper part of the rotating plate 4, a shackle 13 is provided, in this embodiment, the shackle 13 is a hook hole, and the shackle 13 can rotate the rotating plate 4 through a rope or a hook.

The number of the clamping plates 7 is two, and the lower parts of the clamping plates 7 are rotationally connected with the rear ends of the limiting plates 10 through pin shafts 8. The outer end of the connecting rod 5 is hinged with the upper end of the clamping plate 7, and the inner end is hinged with the rotating plate 4 through a hinge shaft 12.

The shackle 13, the hinge shaft 12 of the two connecting rods 5 and the screw 11 are on the same axis.

The tension spring 6 is used for connecting the upper end of the clamping plate 7 and the connecting rod 5, and the connecting rod 5 is kept at the initial position through elasticity. The initial position refers to: the axis is maintained at an angle to rail 9 by tension spring 6 without intervention of external forces. In the initial position, the lower end of the clamping plate 7 clamps the steel rail 9, and can ensure that the steel rail cannot rebound and has enough clamping force. In an optimized scheme, the angulation is 90-110 degrees, so that the rotary clamping mechanism 1 has enough travel.

Principle of action in use and installation: the extension board 3 at the front end of the utility model is placed on the steel rail 9, the rotating board 4 is rotated to be shown in fig. 3 through a rope or a hook, the rotary clamping mechanism 1 is opened, the rear end of the utility model is sunk, and the whole falls on the steel rail 9. Then the rope or hook is loosened, the tension spring 6 is reset, the rotating plate 4 is restored to the original position, the rebound is avoided, the enough clamping force can be ensured, as shown in fig. 4, the lower end of the clamping plate 7 of the rotating clamping mechanism 1 is clamped, the utility model is ensured to be fixed on the steel rail 9, and when the running crane is started, the wheels are pressed onto the extending plate 3 and continue to rotate onto the wedge 2, the crane is blocked to stop advancing. When the crane is opened, a person pulls up the rotating plate 4 through a rope or a hook to open the lower end of the clamping plate 7, and then lifts the utility model.

The utility model thoroughly protects the personal safety of repair personnel, avoids the occurrence of safety accidents and is convenient for operators to install and detach in a safe position.

It should be noted that, in this embodiment, a technique known in the art is not described in detail.

The foregoing is merely for the purpose of describing particular embodiments of the utility model in detail and it will be apparent to those skilled in the art that various modifications can be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A crane stop device, characterized in that: comprises a rotary clamping mechanism, a wedge and an extension plate; the front side of the wedge is an inclined plane, and faces to the crane wheel, and the bottom surface of the wedge is fixedly connected with the upper surface of the rear part of the extension plate; limiting plates are connected to two sides of the bottom surface of the extension plate, and steel rails are clamped through the limiting plates at two sides; the rotary clamping mechanism comprises a rotating plate, a connecting rod, a tension spring and a clamping plate; the lower part of the rotating plate is provided with a through hole, a screw rod penetrates through the through hole to be connected with the rear part of the wedge, and two limit nuts are arranged on the screw rod and used for limiting the rotating plate; the rotating plate is in rotary connection with the screw rod; the upper part of the rotating plate is provided with two shackles, and the lower part of the clamping plate is rotationally connected with the rear end of the limiting plate through a pin shaft; the outer end of the connecting rod is hinged with the upper end of the clamping plate, and the inner end of the connecting rod is hinged with the rotating plate through a hinge shaft; the tension spring is used for connecting the upper end of the clamping plate with the connecting rod, and the connecting rod is kept at an initial position through elasticity.

2. The crane stop assembly of claim 1 wherein: the inclined plane is a concave cambered surface.

3. The crane stop assembly of claim 1 wherein: the wedge consists of two side plates and a back plate.

4. The crane stop assembly of claim 1 wherein: the width of the extension plate is greater than the width of the wedge.

5. The crane stop assembly of claim 1 wherein: the shackle is a shackle hole.

6. The crane stop assembly of claim 1 wherein: the shackle, the hinge shafts of the two connecting rods and the screw rod are on the same axis.

7. The crane stop assembly of claim 6 wherein: the initial position is as follows: maintaining the axis at an angle to the rail by a tension spring without external force intervention; and when the clamping plate is in the initial position, the lower end of the clamping plate clamps the steel rail.

8. The crane stop assembly of claim 7 wherein: the angulation is 90-110 °.