CN218584951U

CN218584951U - Motor fault diagnosis device

Info

Publication number: CN218584951U
Application number: CN202222456290.3U
Authority: CN
Inventors: 张洋; 肖冰; 李爱淑; 赵艳芝; 谢洪君; 王海燕
Original assignee: Changchun Automobile Industry Institute
Current assignee: Changchun Automobile Industry Institute
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-07
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a motor fault diagnosis device, including the pivot, its characterized in that: the rotor has been cup jointed to the outside of pivot, the outside of pivot is provided with the casing, the outer wall of pivot has solid fixed ring through welded fastening, gu fixed ring's a department has the breach, and one side of solid fixed ring corresponds inwards sunken fixed slot that is provided with, the cylinder cover shell has been cup jointed to the outside of pivot, the locating piece is installed to the inner wall of cylinder cover shell, the locating piece is fixed with the mutual joint of fixed slot, the lateral wall of fixed slot inwards caves in and is provided with the mounting groove, the internally mounted of mounting groove has expanding spring, expanding spring's one end is connected with the slant fixture block, press the pole to be installed to one side of slant fixture block, the one end of pressing the pole is connected with presses the piece, the both sides of locating piece correspond sunken square groove that is provided with, the utility model discloses, have the characteristics that the practicality is strong.

Description

Motor fault diagnosis device

Technical Field

The utility model relates to a motor detects technical field, specifically is a motor fault diagnosis device.

Background

The problems of slight disturbance and up-and-down pitching of the rotating shaft usually occur when the motor fails. The problem is difficult to visually test, the effect can only be achieved by specially additionally arranging a complex test structure, the action is undoubtedly very cost-wasting, real-time monitoring cannot be achieved, and the practicability is poor. Therefore, it is necessary to design a motor failure diagnosis apparatus having a high practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor fault diagnosis device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a motor fault diagnosis device, includes the pivot, its characterized in that: the rotor is sleeved outside the rotating shaft, the casing is arranged outside the rotating shaft, and the fixing ring is fixed on the outer wall of the rotating shaft through welding.

According to the technical scheme, one part of the fixing ring is provided with the notch, one side of the fixing ring is correspondingly and inwards sunken to be provided with the fixing groove, the outer part of the rotating shaft is sleeved with the cylindrical casing, the positioning block is installed on the inner wall of the cylindrical casing, and the positioning block is fixedly connected with the fixing groove in a clamped mode.

According to the technical scheme, the lateral wall of fixed slot is inwards sunken to be provided with the mounting groove, the internally mounted of mounting groove has expanding spring, expanding spring's one end is connected with the slant fixture block, one side of slant fixture block is installed and is pressed the pole, the one end of pressing the pole is connected with and presses the piece.

According to the technical scheme, the two sides of the positioning block are correspondingly and concavely provided with the square grooves, the square grooves are connected with the oblique fixture blocks in a clamped mode, the contact pieces are installed on the inner wall of the cylindrical shell, one side of each contact piece is connected with the compression spring, one side of each compression spring is provided with the pressure sensor, the pressure sensor is embedded into the inner wall of the cylindrical shell, and the angle sensor is arranged in the middle of the cylindrical shell.

According to the technical scheme, the surface of the contact piece is uniformly coated with the polyurethane lubricating coating.

According to the technical scheme, the positioning block is made of elastic rubber.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, test through countershaft pivoted angle and gradient, can discover the very first time when the trouble, and the dismouting is changed conveniently.

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 serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view illustrating the installation of the positioning block and the fixing ring of the present invention;

FIG. 3 is a schematic cross-sectional view of the cylindrical casing of the present invention;

in the figure: 1. a rotating shaft; 11. a rotor; 2. a housing; 3. a fixing ring; 31. a fixing groove; 32. an oblique fixture block; 33. pressing the block; 331. pressing the rod; 332. a tension spring; 4. a cylindrical housing; 41. a contact piece; 42. positioning a block; 421. a square groove; 43. an angle sensor; 44. a pressure sensor; 45. compressing the spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a motor fault diagnosis device, includes pivot 1 which characterized in that: a rotor 11 is sleeved outside the rotating shaft 1, a casing 2 is arranged outside the rotating shaft 1, and a fixing ring 3 is fixed on the outer wall of the rotating shaft 1 through welding;

a notch is formed in one position of the fixing ring 3, a fixing groove 31 is formed in one side of the fixing ring 3 and correspondingly concaved inwards, a cylindrical casing 4 is sleeved outside the rotating shaft 1, a positioning block 42 is installed on the inner wall of the cylindrical casing 4, and the positioning block 42 and the fixing groove 31 are clamped and fixed with each other;

the side wall of the fixing groove 31 is provided with a mounting groove in an inward concave manner, an extension spring 332 is mounted in the mounting groove, one end of the extension spring 332 is connected with the inclined fixture block 32, one side of the inclined fixture block 32 is provided with a pressing rod 331, and one end of the pressing rod 331 is connected with a pressing block 33;

the two sides of the positioning block 42 are correspondingly concavely provided with a square groove 421, the square groove 421 and the oblique fixture block 32 are mutually clamped, the inner wall of the cylindrical casing 4 is provided with a contact piece 41, one side of the contact piece 41 is connected with a compression spring 45, one side of the compression spring 45 is provided with a pressure sensor 44, the pressure sensor 44 is embedded in the inner wall of the cylindrical casing 4, and the middle part of the cylindrical casing 4 is provided with an angle sensor 43;

the surface of the contact piece 41 is uniformly coated with a polyurethane lubricating coating, so that the sliding smoothness of the contact piece 41 is improved, and the service life of the contact piece is prolonged;

the positioning block 42 is made of elastic rubber, so that the positioning block 42 has high elastic deformation capability and is flexible to use.

The working principle is as follows: start rotor 11 and make its rotation when using, utilize contact piece 41 to make its inner wall frictional contact with casing 2 simultaneously, when the disturbance appears, can make compression spring 45 receive the compression, this moment can make pressure sensor 44 sense different pressure, conveniently carry out the test of pivot disturbance, angle through perception angle sensor 43 test when rotating, can detect whether rotate at the uniform velocity, will press when the dismouting piece 33 to pull to the mounting groove in, and go into fixed slot 31 with locating piece 42 card, loosen and to make slant fixture block 32 and square groove 421 mutual joint.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor fault diagnosis device comprises a rotating shaft (1), and is characterized in that: the rotor (11) is sleeved outside the rotating shaft (1), the casing (2) is arranged outside the rotating shaft (1), and the fixing ring (3) is fixed on the outer wall of the rotating shaft (1) through welding.

2. The motor failure diagnosis device according to claim 1, wherein: one of solid fixed ring (3) has the breach, and one side of solid fixed ring (3) is corresponding inwards sunken to be provided with fixed slot (31), cylinder cover shell (4) have been cup jointed to the outside of pivot (1), locating piece (42) are installed to the inner wall of cylinder cover shell (4), locating piece (42) are fixed with fixed slot (31) mutual joint.

3. A motor failure diagnosis apparatus according to claim 2, characterized in that: the lateral wall of fixed slot (31) is inwards sunken to be provided with the mounting groove, the internally mounted of mounting groove has expanding spring (332), the one end of expanding spring (332) is connected with slant fixture block (32), one side of slant fixture block (32) is installed and is pressed pole (331), the one end of pressing pole (331) is connected with and presses piece (33).

4. A motor failure diagnosis apparatus according to claim 3, characterized in that: the both sides of locating piece (42) correspond sunken square groove (421) that are provided with, square groove (421) set up with mutual joint of slant fixture block (32), contact piece (41) are installed to the inner wall of cylinder cover shell (4), one side of contact piece (41) is connected with compression spring (45), one side of compression spring (45) is provided with pressure sensor (44), the inner wall at cylinder cover shell (4) is installed in pressure sensor (44) embedding, the middle part of cylinder cover shell (4) is provided with angle sensor (43).

5. The motor failure diagnosis apparatus according to claim 4, wherein: the surface of the contact piece (41) is uniformly coated with a polyurethane lubricating coating.

6. The motor failure diagnosis device according to claim 5, wherein: the positioning block (42) is made of elastic rubber.