CN216290452U

CN216290452U - Protective part for explosion-proof motor

Info

Publication number: CN216290452U
Application number: CN202122899481.2U
Authority: CN
Inventors: 邓东军; 胡林中; 胡鸣超
Original assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Current assignee: Henan Huanghe Explosion Proof Crane Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a protective part for an explosion-proof motor, which comprises a shell module, wherein the shell module is of a hollow rectangular box structure, a circular through hole is formed in the left side of the shell module, a rear cover is arranged on the right side of the shell module, the shape and size of the shell module are matched with those of the rear cover, an electric wire through hole is formed in the rear cover, a plurality of support columns which are arranged downwards are arranged at the bottom of the shell module, a bottom plate which is arranged horizontally is arranged at the bottom of each support column, a damping block is arranged inside the shell module, a motor is arranged at the top of the damping block, a coupling is arranged on a main shaft of the motor, an external connecting shaft is arranged on the front side of the coupling, the coupling and the external connecting shaft penetrate through the left side of the shell module, a bearing is arranged on the outer side of the coupling, a rubber ring is arranged on the outer side of the bearing, and a magnetic ring is arranged on the outer side of the rubber ring. The utility model has the beneficial effects that: the motor can be protected, and the maintenance is convenient.

Description

Protective part for explosion-proof motor

Technical Field

The utility model belongs to the technical field of explosion-proof motors, and particularly relates to a protective part for an explosion-proof motor.

Background

In the operational environment of various easy explosions that produce, need do the protection to the motor, traditional protection is generally glued at the motor inside and is sealed, prevents that the explosion from producing the fragile to the motor is inside, but the motor after this kind of processing is after the explosion, and the outward appearance can cause the damage, still has certain probability, unable normal use, how the outward appearance of protection motor in the explosion process, people are studying relevant problem always.

SUMMERY OF THE UTILITY MODEL

The utility model provides a protective part for an explosion-proof motor, which can protect the motor and is convenient to maintain.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a protection protects piece for explosion-proof machine, including the shell module, the shell module is hollow rectangle box structure, shell module left side is equipped with the circular shape through-hole, shell module right side is equipped with the back lid, the shape size of shell module and the shape size looks adaptation of back lid, be equipped with the electric wire through-hole after covering, shell module bottom is equipped with a plurality of support columns of arranging downwards, the support column bottom is equipped with the bottom plate that the level was arranged, shell module inside is equipped with the snubber block, the snubber block top is equipped with the motor, install the shaft coupling on the main shaft of motor, the external connection axle is installed to the shaft coupling front side, the shaft coupling runs through shell module left side with the external connection axle, the shaft coupling outside is equipped with the bearing, the bearing outside is equipped with the rubber ring, the rubber ring outside is equipped with the magnetic force ring.

Furthermore, the positions of the coupling and the external connecting shaft are matched with the position of the circular through hole on the shell module.

Further, the position of the wire through hole corresponds to the position of the wire harness on the motor.

Further, the inner side of the magnetic ring is in contact with the outer side of the rubber ring, the inner side of the rubber ring is in contact with the outer side of the bearing, and the inner side of the bearing is in contact with the outer side of the coupling.

Furthermore, the shell module is made of iron, and the outer side of the magnetic ring is in contact with the inner side of the circular through hole in the shell module.

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

in the utility model, the vibration generated by the ground is not transmitted to the shell module excessively by arranging the bottom plate and the supporting columns, the structure in the shell module is protected to a certain extent, the vibration is further reduced by arranging the damping blocks, the motor is protected, the whole motor is not directly connected with driving equipment by arranging the coupler and the external connecting shaft, the external connecting shaft and the coupler are damaged by transferring through the coupler even if the external explosion occurs, the motor cannot be damaged, the work can be restarted by replacing the external connecting shaft and the coupler, the maintenance efficiency is improved, the transmission of the coupler and the external connecting shaft is more stable by arranging the bearing, the vibration of the coupler and the external connecting shaft in the rotating process is reduced by arranging the rubber ring, the impact generated by the explosion can be absorbed when the explosion occurs, and the magnetic ring and the shell module are directly adsorbed together by arranging the magnetic ring, the relevant parts fixedly connected with the magnetic ring are integrally fixed on the shell module conveniently, so that the installation is convenient, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic structural view of the rear cover;

FIG. 3 is a cross-sectional view of a housing module;

fig. 4 is an enlarged view of the coupling portion.

In the figure: 1. the motor comprises a shell module, 2 parts of a rear cover, 3 parts of a bottom plate, 4 parts of support columns, 5 parts of wire through holes, 6 parts of a motor, 7 parts of a damping block, 8 parts of a magnetic ring, 9 parts of a rubber ring, 10 parts of a bearing, 11 parts of a coupling and 12 parts of an external connecting shaft.

Detailed Description

Example (b): as shown in fig. 1 and fig. 4, including shell module 1, shell module 1 is hollow rectangle box structure, shell module 1 left side is equipped with circular shape through-hole, shell module 1 right side is equipped with back lid 2, the shape size of shell module 1 and the shape size looks adaptation of back lid 2, be equipped with electric wire through-hole 5 on the back lid 2, shell module 1 bottom is equipped with a plurality of support columns 4 of arranging downwards, support column 4 bottom is equipped with the bottom plate 3 of horizontal arrangement, the inside snubber block 7 that is equipped with of shell module 1, snubber block 7 top is equipped with motor 6, install shaft coupling 11 on motor 6's the main shaft, external connecting axle 12 is installed to shaft coupling 11 front side, shaft coupling 11 runs through shell module 1 left side with external connecting axle 12, the shaft coupling 11 outside is equipped with bearing 10, the bearing 10 outside is equipped with rubber ring 9, the rubber ring 9 outside is equipped with magnetic ring 8. The positions of the coupling 11 and the external connecting shaft 12 are matched with the position of a circular through hole in the shell module 1, the position of the wire through hole 5 corresponds to the position of a wire harness on the motor 6, the inner side of the magnetic ring 8 is in contact with the outer side of the rubber ring 9, the inner side of the rubber ring 9 is in contact with the outer side of the bearing 10, the inner side of the bearing 10 is in contact with the outer side of the coupling 11, the shell module 1 is made of iron, and the outer side of the magnetic ring 8 is in contact with the inner side of the circular through hole in the shell module 1.

The working process is as follows: the motor 6 is placed on the shock absorption block 7, then the magnetic ring 8, the rubber ring 9, the bearing 10, the coupling 11 and the external connecting shaft 12 are sequentially installed, then the rear cover 2 is installed on the shell module 1, the shell module 1 is wrapped in a relatively closed space, then an external wiring harness is connected with the wiring harness on the motor 6 through the electric wire through hole 5, then the external connecting shaft 12 is connected with equipment to be driven, and finally the whole device is placed in a normal working environment.

Claims

1. The utility model provides a protection protects piece for explosion-proof machine which characterized in that: the novel electric shock absorber comprises a shell module (1), wherein the shell module (1) is of a hollow rectangular box body structure, a round through hole is formed in the left side of the shell module (1), a rear cover (2) is arranged on the right side of the shell module (1), the shape and size of the shell module (1) are matched with those of the rear cover (2), an electric wire through hole (5) is formed in the rear cover (2), a plurality of support columns (4) which are arranged downwards are arranged at the bottom of the shell module (1), a bottom plate (3) which is arranged horizontally is arranged at the bottom of each support column (4), a shock absorption block (7) is arranged inside the shell module (1), a motor (6) is arranged at the top of each shock absorption block (7), a coupler (11) is installed on a main shaft of the motor (6), an external connecting shaft (12) is installed on the front side of the coupler (11), the coupler (11) and the external connecting shaft (12) penetrate through the left side of the shell module (1), a bearing (10) is arranged on the outer side of the coupler (11), the outer side of the bearing (10) is provided with a rubber ring (9), and the outer side of the rubber ring (9) is provided with a magnetic ring (8).

2. A protective shield for an explosion proof electric machine as defined in claim 1, wherein: the positions of the coupling (11) and the external connecting shaft (12) are matched with the positions of the circular through holes on the shell module (1).

3. A protective shield for an explosion proof electric machine as defined in claim 1, wherein: the position of the wire through hole (5) corresponds to the position of a wire harness on the motor (6).

4. A protective shield for an explosion proof electric machine as defined in claim 1, wherein: the inner side of the magnetic ring (8) is in contact with the outer side of the rubber ring (9), the inner side of the rubber ring (9) is in contact with the outer side of the bearing (10), and the inner side of the bearing (10) is in contact with the outer side of the coupling (11).

5. A protective shield for an explosion proof electric machine as defined in claim 1, wherein: the shell module (1) is made of iron, and the outer side of the magnetic ring (8) is in contact with the inner side of the circular through hole in the shell module (1).