CN218974538U

CN218974538U - Motor fault detection equipment

Info

Publication number: CN218974538U
Application number: CN202223245404.6U
Authority: CN
Inventors: 陈涛; 周登极; 袁宗泽; 陈昊; 徐伟; 李波; 杨春尧
Original assignee: Sichuan Research Institute Of Shanghai Jiaotong University; SICHUAN INSTITUTE PRODUCT QUALITY SUPERVISION INSPECTION AND RESEARCH
Current assignee: Sichuan Research Institute Of Shanghai Jiaotong University; SICHUAN INSTITUTE PRODUCT QUALITY SUPERVISION INSPECTION AND RESEARCH
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-05
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses motor fault detection equipment, which relates to the technical field of motor detection, and comprises a base and a supporting vertical plate arranged at the upper end of the base, wherein a traction block is slidably arranged on the surface of the supporting vertical plate, the traction block is connected with a lifting pushing piece for driving the traction block to move up and down, one side of the traction block is provided with a motor frame group for bearing a motor to be detected, and a test room is arranged on the outer side of the supporting vertical plate above the motor frame group.

Description

Motor fault detection equipment

Technical Field

The utility model relates to the technical field of motor detection, in particular to motor fault detection equipment.

Background

An electric motor is an electric traction device that converts electrical energy into mechanical energy. It is mainly composed of stator, rotor and air gap between them. After the stator winding is connected to a three-phase alternating current power supply, a rotating magnetic field is generated and the rotor is cut, so that torque is obtained. The three-phase alternating current asynchronous motor has the advantages of simple structure, reliable operation, low price, strong overload capacity, convenient use, installation and maintenance and the like, and is widely applied to various fields. In the process of detecting motor faults, as the steps of the judging method are complicated, more instruments are used, and at least two persons are required to cooperatively operate for each detection; in addition, the existing method generally carries out detection and judgment after the motor cannot normally work, and extra downtime is intangibly brought, so that the problem is solved, and the existing patent publication No. CN214674782U provides a motor fault detection device which detects noise and particle impurities generated during the working of the motor by arranging a vibration sensor and a smoke sensor, so that whether the motor is normal or not is judged, the detection is a detection of the motor which is normally used, the timeliness is higher, and whether the motor is normal or not can be judged in advance.

However, the device does not provide a relatively quiet environment for the motor when detecting, the detected structure is more interfered, in addition, the detection mode is only no-load detection, the motor with load cannot be detected, and the detection reliability is poor.

Based on this, now provide a motor fault detection equipment, can eliminate the drawback that current device exists.

Disclosure of Invention

The utility model aims to provide motor fault detection equipment for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a motor fault detection equipment, includes the base and sets up the support riser of its upper end, support riser surface slip is equipped with a traction block, traction block connects and is used for driving its lift impeller that reciprocates, traction block one side is equipped with the motor frame group that is used for bearing the motor that awaits measuring, the support riser outside of motor frame group top is equipped with a test room, the test room has constituted the detection cavity that is used for placing the motor after combining with the motor frame group, be equipped with the positioning mechanism that is used for locking to the motor position that awaits measuring in the test room, the test room right side is equipped with the corresponding load mechanism of output with the motor that awaits measuring, the inside detection end that is used for detecting the motor operating condition data that awaits measuring that is equipped with in test room, detection end electric connection sets up the control panel in the support riser outside.

Based on the technical scheme, the utility model also provides the following optional technical schemes:

in one alternative: the load mechanism comprises a perforation arranged at the right end of a test room, a rotary column is slidably arranged in the perforation, a transmission butt joint hole matched with the output end of a motor to be tested is formed in the left end of the rotary column, a damping unit for increasing the rotation resistance of the rotary column is arranged between the rotary column and the test room, the damping unit comprises permanent magnets distributed on the outer side of the rotary column in an array mode, a plurality of electromagnetic resistance blocks are distributed on the test room outside the perforation in an array mode, the right end of the rotary column is rotationally connected with the rotary block, the right end of the rotary block is connected with a telescopic push rod for driving the rotary column to approach or separate from the output end of the motor to be tested, and the telescopic push rod is arranged on the surface of a supporting vertical plate.

In one alternative: the cross sections of the transmission butt joint hole and the output end of the motor to be tested are rectangular.

In one alternative: the detection end comprises a sound sensor for detecting noise, a vibration sensor for detecting motor vibration and a temperature sensor for detecting temperature.

In one alternative: the positioning mechanism comprises a compacting pushing rod arranged at the upper end of the test room, a compacting plate used for compacting the upper end of the motor to be tested is arranged at the lower end of the compacting pushing rod, and a buffer cushion is arranged at the compacting end of the compacting plate.

In one alternative: the motor frame group comprises a material carrying plate, four corner positions of the lower end of the material carrying plate are respectively provided with a universal wheel, the left end of the material carrying plate is provided with a positioning jack, and the positioning jack is matched with a positioning inserting rod on the right side of the traction block.

In one alternative: the lifting pushing piece comprises a lifting screw hole arranged on the traction block, a lifting screw rod is matched in the lifting screw hole, the lower end of the lifting screw rod is rotationally connected with the fixed block on the outer side of the supporting vertical plate, and the upper end of the lifting screw rod is connected with a lifting motor for driving the lifting screw rod to rotate.

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

the utility model improves the defects of the prior art, can provide a relatively quiet detection space for the motor to be tested, ensures the accuracy of data, can provide different loads for the motor to be tested, ensures the reliability of the data by operating the motor to be tested under different loads, and is convenient to transfer the motor and practical operation by arranging the material carrying plate.

Drawings

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

FIG. 2 is a schematic view of the structure of the inside of the test room of the present utility model.

Fig. 3 is a schematic view of a separated structure of a loading plate according to the present utility model.

Fig. 4 is a schematic diagram of a spin column according to the present utility model.

Reference numerals annotate: the device comprises a base 11, universal wheels 12, a loading plate 13, a positioning inserting rod 14, a lifting sliding block 15, a traction block 16, a motor to be tested 17, a positioning jack 18, a lifting screw 19, a lifting motor 20, a compacting pushing rod 21, a compacting plate 22, a test room 23, a supporting vertical plate 24, an electromagnetic resistance block 25, a telescopic push rod 26, a rotating block 27, a rotating column 28, a permanent magnet 29, a transmission butt joint hole 30 and a detection chamber 31.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

In one embodiment, as shown in fig. 1-4, a motor fault detection device includes a base 11 and a supporting riser 24 disposed at the upper end of the base, a traction block 16 is slidably disposed on the surface of the supporting riser 24, the traction block 16 is connected to a lifting pushing member for driving the traction block 16 to move up and down, a motor frame group for carrying a motor 17 to be detected is disposed on one side of the traction block 16, a test room 23 is disposed on the outer side of the supporting riser 24 above the motor frame group, the test room 23 is combined with the motor frame to form a detection chamber 31 for placing the motor, a positioning mechanism for locking the position of the motor 17 to be detected is disposed in the test room 23, a load mechanism corresponding to the output end of the motor 17 to be detected is disposed on the right side of the test room 23, a load is applied to the motor 17 to be detected by the load mechanism to test the working condition of the motor 17 to be detected in different complex load states, and a control panel for detecting the working condition data of the motor 17 to be detected is disposed in the test room 23, and the detection end is electrically connected to the control panel disposed on the outer side of the supporting riser 24, so that the quality of the motor 17 to be detected can be reflected by the user to determine the quality of the motor 17 to be detected in time;

the load mechanism comprises a perforation arranged at the right end of the test room 23, a rotary column 28 is slidably arranged in the perforation, a transmission butt joint hole 30 matched with the output end of the motor 17 to be tested is arranged at the left end of the rotary column 28, a damping unit for increasing the rotation resistance of the rotary column 28 is arranged between the rotary column 28 and the test room 23, the damping unit comprises permanent magnets 29 distributed on the outer side of the rotary column 28 in an array manner, a plurality of electromagnetic resistance blocks 25 are distributed on the test room 23 on the outer side of the perforation in an array manner, the permanent magnets 29 can generate adsorption force after the electromagnetic resistance blocks 25 are electrified, so that different loads are provided for the motor 17 to be tested, the right end of the rotary column 28 is rotationally connected with a rotary block 27, the right end of the rotary block 27 is connected with a telescopic push rod 26 for driving the rotary column 28 to be close to or far away from the output end of the motor 17 to be tested, the telescopic push rod 26 is arranged on the surface of a supporting vertical plate 24, the transmission butt joint hole 30 and the output end section of the motor 17 to be tested are rectangular, and relative rotation is avoided;

the detection end comprises a sound sensor for detecting noise, a vibration sensor for detecting motor vibration and a temperature sensor for detecting temperature, so that the noise, the vibration frequency and the temperature rising condition of the motor 17 to be detected during working can be collected;

the positioning mechanism comprises a compressing pushing rod 21 arranged at the upper end of a test room 23, a compressing plate 22 used for compressing the upper end of the motor 17 to be tested is arranged at the lower end of the compressing pushing rod 21, a buffer pad is arranged at the compressing end of the compressing plate 22, and after the motor 17 to be tested moves into the test room 23, the compressing plate 22 is driven to move downwards by the compressing pushing rod 21, so that the upper end of the motor 17 to be tested is compressed, and the motor 17 to be tested is locked;

the motor frame group comprises a material carrying plate 13, four corner positions at the lower end of the material carrying plate 13 are respectively provided with a universal wheel 12, the left end of the material carrying plate 13 is provided with a positioning jack 18, the positioning jack 18 is matched with a positioning inserted rod 14 at the right side of a traction block 16, when the motor frame group is in actual use, the traction block 16 is firstly lowered to the lowest side through a lifting pushing piece, at the moment, the universal wheels 12 are in contact with the ground, the material carrying plate 13 can be pulled out along the positioning inserted rod 14, then a motor 17 to be tested is loaded, the motor 17 to be tested is conveyed back to a detection point, and then the positioning jack 18 at the left end of the material carrying plate 13 is aligned with the positioning inserted rod 14, so that the butt joint with the traction block 16 is completed;

the lifting pushing piece comprises a lifting screw hole arranged on the traction block 16, a lifting screw rod 19 is matched in the lifting screw hole, the lower end of the lifting screw rod 19 is rotationally connected with a fixed block on the outer side of the supporting vertical plate 24, the upper end of the lifting screw rod 19 is connected with a lifting motor 20 for driving the lifting screw rod 19 to rotate, the lifting screw rod 19 and the traction block 16 relatively rotate under the driving of the lifting motor 20, and the traction block 16 slides along the surface of the supporting vertical plate 24 under the action of threads, so that lifting power is provided;

the above embodiment discloses a motor fault detection device, firstly, when in actual use, the motor 17 to be detected is installed on a motor rack set, then the motor rack set and a test room 23 are combined to place the motor 17 to be detected in a closed cavity through a lifting pushing piece, interference caused by external noise is avoided, then a pressing pushing rod 21 drives a pressing plate 22 to press the motor 17 to be detected, so that the pressing fixation of the motor 17 to be detected is completed, a rotating column 28 is driven to move left through a telescopic pushing rod 26, a transmission butt joint hole 30 is matched with the output of the motor 17 to be detected, a corresponding load is applied through a damping unit, and therefore the working state of the motor 17 to be detected is detected, and a power supply interface matched with the motor 17 to be detected is arranged on a lifting sliding block 15.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a motor fault detection equipment, includes base (11) and supports riser (24) of setting up its upper end, support riser (24) surface slip is equipped with one and pulls piece (16), it is used for driving its lift impeller that reciprocates to pull piece (16) connection, a serial communication port, it is equipped with the motor frame group that is used for bearing motor (17) to await measuring to pull piece (16) one side, support riser (24) outside of motor frame group top is equipped with one test room (23), test room (23) and motor frame combination have constituted after being used for placing detection cavity (31) of motor, be equipped with in test room (23) and be used for carrying out the positioning mechanism that locks to the motor (17) position that awaits measuring, test room (23) right side is equipped with the corresponding load mechanism of output with motor (17) that awaits measuring, test room (23) inside is equipped with the detection end that is used for detecting motor (17) operating condition data that awaits measuring, detection end electric connection sets up the control panel in support riser (24) outside.

2. The motor fault detection device according to claim 1, wherein the load mechanism comprises a perforation arranged at the right end of the test room (23), a rotary column (28) is slidably arranged in the perforation, a transmission butt joint hole (30) matched with the output end of the motor (17) to be detected is arranged at the left end of the rotary column (28), a damping unit for increasing the rotation resistance of the rotary column (28) is arranged between the rotary column (28) and the test room (23), the damping unit comprises permanent magnets (29) distributed at the outer side of the rotary column (28) in an array manner, a plurality of electromagnetic resistance blocks (25) are distributed on the test room (23) at the outer side of the perforation in an array manner, the right end of the rotary column (28) is rotationally connected with the rotary block (27), the right end of the rotary block (27) is connected with a telescopic push rod (26) for driving the rotary column (28) to be close to or far away from the output end of the motor (17) to be detected, and the telescopic push rod (26) is arranged on the surface of the support vertical plate (24).

3. Motor failure detection device according to claim 2, characterized in that the output end sections of the transmission docking aperture (30) and the motor (17) to be tested are rectangular.

4. The motor fault detection apparatus according to claim 1, wherein the detection terminal includes a sound sensor for detecting noise, a vibration sensor for detecting motor vibration, and a temperature sensor for detecting temperature.

5. The motor fault detection device according to claim 1, characterized in that the positioning mechanism comprises a compacting pushing rod (21) arranged at the upper end of the test room (23), a compacting plate (22) used for compacting the upper end of the motor (17) to be tested is arranged at the lower end of the compacting pushing rod (21), and a buffer pad is arranged at the compacting end of the compacting plate (22).

6. The motor fault detection device according to claim 1, wherein the motor frame group comprises a material carrying plate (13), four corner positions of the lower end of the material carrying plate (13) are respectively provided with a universal wheel (12), the left end of the material carrying plate (13) is provided with a positioning jack (18), and the positioning jack (18) is matched with a positioning inserting rod (14) on the right side of the traction block (16).

7. The motor fault detection device according to claim 1, wherein the lifting pushing member comprises a lifting screw hole arranged on the traction block (16), a lifting screw rod (19) is matched in the lifting screw hole, the lower end of the lifting screw rod (19) is rotatably connected with a fixed block outside the supporting vertical plate (24), and the upper end of the lifting screw rod (19) is connected with a lifting motor (20) for driving the lifting screw rod to rotate.