CN219906820U - Anti-overturning device for pneumatic monorail crane braking cylinder - Google Patents

Abstract

The utility model relates to the technical field of braking of a monorail crane, in particular to an anti-overturning device for a braking cylinder of a pneumatic monorail crane, which comprises a braking frame body, a braking arm, a driving assembly and an anti-rotating structure, wherein the top end of the braking arm is connected with the braking frame body, a gap is formed at the bottom end of the braking arm, the driving assembly is positioned at the gap and is connected with the braking arm, the anti-rotating structure is provided with a U-shaped anti-rotating stop block, the U-shaped anti-rotating stop block is arranged on the driving assembly, and the U-shaped anti-rotating stop block is blocked and held on the braking arm.

Description

Anti-overturning device for pneumatic monorail crane braking cylinder

Technical Field

The utility model relates to the technical field of braking of monorail cranes, in particular to an anti-overturning device for a pneumatic monorail crane braking cylinder.

Background

The pneumatic monorail crane is compact and emission-free small auxiliary transportation equipment, is mainly applied to occasions such as underground coal mine mining roadways, material transportation roadways and the like, is used for carrying small materials, carrying spare parts of parts, carrying supporting materials and the like, has very important application, and is common auxiliary transportation equipment.

At present, the pneumatic monorail crane compression cylinder in use has the problem of overturning, namely in the contraction and extension process, the cylinder body can rotate along with the piston rod, so that the safety performance of the cylinder is affected, and the cylinder body is equivalent to the fact that the cylinder body does not have the function of preventing self-overturning.

In view of the foregoing, it is desirable to provide an anti-overturning device for a brake cylinder of a pneumatic monorail crane, so as to better solve the above-mentioned technical problems.

Disclosure of Invention

In order to solve the problems, the utility model provides the pneumatic monorail crane braking cylinder overturning prevention device which is simple in structure, reasonable in design, good in using effect and free of eccentricity, and a U-shaped clamping groove is designed by utilizing a mechanical arm of the pneumatic monorail crane, and the pneumatic monorail crane is forwards and reversely prevented from rotating.

The technical scheme adopted by the utility model is as follows:

the utility model provides a pneumatic monorail crane braking cylinder anti-overturning device, includes braking support body, braking arm, drive assembly and anti-rotating structure, the top of braking arm with braking support body connects, the bottom of braking arm has the clearance, drive assembly is located this clearance department, and with braking arm connects, anti-rotating structure is equipped with U type anti-rotating dog, U type anti-rotating dog install in drive assembly, just U type anti-rotating dog card hold in braking arm.

Further, the driving assembly comprises a cylinder body, a cylinder head and a fixing rod, wherein the cylinder body is provided with a piston rod, the piston rod is connected with the brake arm, the cylinder head is arranged at two ends of the cylinder body, and the fixing rod is installed around the cylinder head and is used for being matched with the cylinder head to fix the cylinder body.

Further, the driving assembly is further provided with a brake spring, two ends of the brake spring are respectively connected with the brake arm, and the brake spring is arranged above the cylinder body in parallel.

Further, the cylinder head is provided with a mounting hole for mounting the U-shaped anti-rotation stop block.

Further, the U-shaped anti-rotation stop block is fixed at the mounting hole through bolt threaded connection.

Further, a first limit column and a second limit column are arranged at the connection position of the brake arm and the brake spring, and two ends of the brake spring are respectively sleeved on the first limit column and the second limit column.

Further, the piston rod is provided with a connecting hole, the brake arm is provided with a connecting sheet and a pin shaft structure, the connecting sheet is provided with a fixing hole, and the pin shaft structure penetrates through the connecting hole and the fixing hole so that the piston rod is connected with the brake arm.

Further, travelling wheels are arranged on the braking frame body.

The beneficial effects of the utility model are as follows:

the utility model comprises a braking frame body, a braking arm, a driving component and an anti-rotation structure, wherein the top end of the braking arm is connected with the braking frame body, a gap is arranged at the bottom end of the braking arm, the driving component is positioned at the gap and is connected with the braking arm, the anti-rotation structure is provided with a U-shaped anti-rotation stop block, the U-shaped anti-rotation stop block is arranged on the driving component and is clamped on the braking arm.

Drawings

FIG. 1 is a schematic diagram of some embodiments of the utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of a U-shaped anti-rotation block according to some embodiments of the present utility model;

reference numerals illustrate: the brake frame body 1, the brake arm 2, the first limit column 21, the second limit column 22, the connecting sheet 23, the pin shaft structure 24, the driving assembly 3, the cylinder body 31, the piston rod 311, the cylinder head 32, the fixed rod 33, the brake spring 34, the anti-rotation structure 4, the U-shaped anti-rotation stop block 41 and the travelling wheel 5.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the anti-overturning device for a pneumatic monorail crane braking cylinder according to the embodiment comprises a braking frame body 1, a braking arm 2, a driving component 3 and an anti-rotating structure 4, wherein the top end of the braking arm 2 is connected with the braking frame body 1, a gap is formed at the bottom end of the braking arm 2, the driving component 3 is positioned at the gap and is connected with the braking arm 2, the anti-rotating structure 4 is provided with a U-shaped anti-rotating stop block 41, the U-shaped anti-rotating stop block 41 is mounted on the driving component 3, and the U-shaped anti-rotating stop block 41 is clamped on the braking arm 2.

The embodiment has simple structure and reasonable design, is connected with the brake arm 2 and the driving component 3 respectively by the U-shaped anti-rotation stop block 41, has shorter force arm, is not limited by structural space, is beneficial to arrangement, can utilize the self brake arm 2 to prevent the driving component 3 from reversing in the driving process, has no friction phenomenon between the U-shaped anti-rotation stop block 41 and the driving component 3, reduces loss and has good braking effect.

Specifically, in this embodiment, the driving assembly 3 includes a cylinder 31, a cylinder head 32, and a fixing rod 33, the cylinder 31 has a piston rod 311, the piston rod 311 is connected to the brake arm 2, the cylinder head 32 is disposed at two ends of the cylinder 31, and the fixing rod 33 is mounted around the cylinder head 32, and is used for being matched with the cylinder head 32 to fix the cylinder 31.

In this embodiment, the driving component 3 is set to be a driving cylinder, in the process of contraction and extension, the cylinder body 31 rotates along with the piston rod 311, which affects the safety performance of the cylinder, and the cylinder does not have the function of preventing self-overturning, and the setting of the U-shaped anti-rotation stop block 41 can utilize the self-braking arm 2 to prevent the reverse rotation of the driving component 3 in the driving process, so that the structure is simple, the installation is convenient, the stable operation of the cylinder body 31 can be effectively ensured, and the use safety is good.

In some embodiments, the driving assembly 3 is further provided with a brake spring 34, two ends of the brake spring 34 are respectively connected with the brake arm 2, and the brake spring 34 is arranged above the cylinder 31 in parallel.

Specifically, a first limit post 21 and a second limit post 22 are provided at the connection position of the brake arm 2 and the brake spring 34, and two ends of the brake spring 34 are respectively sleeved on the first limit post 21 and the second limit post 22.

In this embodiment, by providing the brake spring 34, the braking stability of the brake arm 2 can be further increased, and the structure is simple and the practicability is strong.

In some embodiments, the cylinder head 32 is provided with a mounting hole for mounting the U-shaped anti-rotation block 41.

Specifically, the U-shaped antirotation stop 41 is fixed at the mounting hole by bolting.

In this embodiment, the U-shaped anti-rotation block 41 is specifically shown and connected with the cylinder head 32 in a threaded connection manner, and has the advantages of simple structural design, convenient installation and good connection stability, so that the cylinder body 31 can be effectively prevented from rotating.

In some embodiments, the piston rod 311 has a connection hole, the brake arm 2 is provided with a connection piece 23 and a pin structure 24, the connection piece 23 is provided with a fixing hole, and the pin structure 24 passes through the connection hole and the fixing hole, so that the piston rod 311 is connected with the brake arm 2.

In this embodiment, the brake arm 2 is specifically shown to be connected to the piston rod 311 through the pin shaft structure 24, which has a simple structure, is convenient to assemble and disassemble, has good connection stability, and is convenient for braking and driving the brake arm 2.

In some embodiments, the braking frame 1 is provided with a travelling wheel 5.

In this embodiment, through setting up walking wheel 5, be convenient for with external device installation connection, its simple structure, the practicality is strong.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. The utility model provides a pneumatic monorail crane braking cylinder anti-overturning device which characterized in that, including braking support body, braking arm, drive assembly and anti-rotating structure, the top of braking arm with the braking support body is connected, the bottom of braking arm has the clearance, drive assembly is located this clearance department, and with the braking arm is connected, anti-rotating structure is equipped with U type anti-rotating dog, U type anti-rotating dog install in drive assembly, just U type anti-rotating dog card hold in braking arm.

2. The anti-overturning device for a pneumatic monorail crane brake cylinder according to claim 1, wherein the driving assembly comprises a cylinder body, a cylinder head and a fixing rod, the cylinder body is provided with a piston rod, the piston rod is connected with the brake arm, the cylinder head is arranged at two ends of the cylinder body, and the fixing rod is arranged around the cylinder head and is used for being matched with the cylinder head to fix the cylinder body.

3. The anti-overturning device for the braking cylinder of the pneumatic monorail crane according to claim 2, wherein the driving assembly is further provided with a braking spring, two ends of the braking spring are respectively connected with the braking arm, and the braking spring is arranged above the cylinder body in parallel.

4. The anti-overturning device for the pneumatic monorail crane braking cylinder according to claim 3, wherein the cylinder head is provided with a mounting hole for mounting the U-shaped anti-rotation stop block.

5. The pneumatic monorail crane brake cylinder anti-overturning device according to claim 4, wherein the U-shaped anti-rotation stop block is fixed at the mounting hole through bolt screwing.

6. The anti-overturning device for the pneumatic monorail crane braking cylinder according to claim 3, wherein a first limiting column and a second limiting column are arranged at the connection position of the braking arm and the braking spring, and two ends of the braking spring are respectively sleeved on the first limiting column and the second limiting column.

7. A pneumatic monorail crane brake cylinder anti-overturning device according to claim 3, wherein the piston rod is provided with a connecting hole, the brake arm is provided with a connecting sheet and a pin shaft structure, the connecting sheet is provided with a fixing hole, and the pin shaft structure passes through the connecting hole and the fixing hole so as to connect the piston rod and the brake arm.

8. The pneumatic monorail crane brake cylinder anti-overturning device according to claim 1, wherein the brake frame body is provided with travelling wheels.