Noise anomaly detection device for motor maintenance

Abstract

The utility model relates to the technical field of motor maintenance, in particular to a noise anomaly detection device for motor maintenance. The noise anomaly detection device comprises a base, a fixing frame is fixedly installed in the middle of the upper end of the base, positioning seats are symmetrically arranged on the left side and the right side of the fixing frame, the positioning seats are fixedly installed on the base, and air cylinders are fixedly installed at the rear ends of the positioning seats. A freely movable steel frame plate is erected on the fixing frame, and sliding blocks are installed on the rear side of the lower end of the steel frame plate in a bilateral symmetry mode and fixedly connected with the tail end of the rear end of an air cylinder. When the noise reduction device is used, the noise reduction baffle is used for carrying out noise reduction treatment on motor maintenance noise, so that the sound reduction fluid filled in the arc-shaped containing cavity jumps according to the noise, and the motion range of the sound reduction fluid in the arc-shaped containing cavity is observed through the arc-shaped window so as to judge the abnormal noise generation position of the motor maintenance. The motor is convenient to disassemble and maintain subsequently, tedious procedures in the maintenance process are reduced, and the efficiency of maintenance work is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor maintenance, in particular to a noise anomaly detection device for repairing motors. Background Art

[0002] At present, the online testing of motor noise in the domestic motor industry is directly powered by AC power or a regulated power supply, and then the front-line employees listen to the motor noise in an H-type quiet noise room on the motor assembly line to determine the motor noise situation.

[0003] Since the main causes of motor noise come from mechanical noise, electromagnetic noise and air duct noise, the repair and maintenance disassembly operations are different. It is necessary to determine the source of the motor noise before disassembly and repair. Otherwise, the maintenance operation procedure will be greatly increased, delaying the maintenance efficiency. Therefore, those skilled in the art provide a noise anomaly detection device for repairing motors to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a noise abnormality detection device for repairing motors, comprising a base, a fixing frame is fixedly installed at the middle of the upper end of the base, a positioning seat is symmetrically arranged on the left and right sides of the fixing frame, the positioning seat is fixedly installed on the base, a cylinder is fixedly installed at the rear end of the positioning seat, a freely movable steel frame plate is mounted on the fixing frame, a slider is symmetrically installed on the left and right sides of the rear side of the lower end of the steel frame plate, the slider is fixedly connected to the rear end of the cylinder, a fixing plate is symmetrically installed on the left and right sides of the middle of the upper end of the steel frame plate, a guide rail assembly is fixedly installed between the fixing plate and the adjacent inner wall of the fixing frame, so that the steel frame plate on the fixing plate is driven by the guide rail assembly to move relative to the fixing frame, thereby driving the repair motor to perform positioning detection of noise abnormality;

[0005] The fixing frame is provided with an arc-shaped cavity, and an arc-shaped window is provided at the front end of the fixing frame. The arc-shaped window and the arc-shaped cavity are isolated by transparent glass, so that the activity amplitude of the sound receiving fluid in the arc-shaped cavity can be observed through the arc-shaped window.

[0006] Preferably, a bracket is fixedly mounted on the upper end of the steel frame plate, and an arc-shaped opening is provided on the upper end of the bracket to facilitate stable placement of the maintenance motor.

[0007] Preferably, a filling port is provided at the rear end of the arc-shaped cavity, and a sound-receiving fluid, specifically a magnetic fluid, is filled into the arc-shaped cavity through the filling port, so that the amplitude of the sound-receiving activity of the magnetic fluid is used to judge the size of the noise.

[0008] Preferably, inclined sound receiving baffles are symmetrically fixedly installed on the left and right sides of the lower end of the arc-shaped opening of the fixing frame, so as to facilitate the sound receiving processing of the noise propagation of the maintenance motor and better determine the specific location of the noise.

[0009] Preferably, the guide rail assembly comprises a guide rail base, a slide rail and meshing teeth, the guide rail base is fixedly mounted on the lower ends of the left and right side plates of the fixed frame, the slide rail is fixedly mounted on the outer side of the fixed plate, and teeth are correspondingly arranged between the slide rail and the guide rail base.

[0010] Preferably, meshing teeth are provided between the slide rail member and the guide rail bottom member, so that the slide rail member can slide on the guide rail bottom member through the meshing teeth, thereby making the steel frame plate slide.

[0011] Technical effects and advantages of the utility model:

[0012] When the utility model is used, the noise of the maintenance motor is collected by the sound-collecting baffle, so that the sound-collecting fluid poured in the arc-shaped cavity jumps according to the size of the noise, so that the activity amplitude of the sound-collecting fluid in the arc-shaped cavity is observed through the arc-shaped window to determine the location where the abnormal noise of the maintenance motor occurs, which is convenient for the subsequent disassembly of the maintenance motor, reduces the cumbersome procedures for decision-making in the maintenance process, and increases the efficiency of the maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure provided by this application;

[0014] Figure 2 is a schematic diagram of the structure of the bracket provided by the present application;

[0015] Figure 3 is a schematic diagram of the structure of the guide rail assembly provided by the present application;

[0016] Figure: 1, base; 2, positioning seat; 3, cylinder; 4, fixed frame; 5, steel frame plate; 6, slider; 7, bracket; 8, maintenance motor; 9, guide rail assembly; 10, fixed plate; 11, arc-shaped cavity; 12, filling port; 13, sound receiving baffle; 14, arc-shaped window

[0017] 91. Guide rail base; 92. Slide rail member; 93. Meshing teeth. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0019] See also Figures 1 to 3 In this embodiment, a noise abnormality detection device for repairing a motor is provided, including a base 1, a fixing frame 4 is fixedly installed in the middle of the upper end of the base 1, and a positioning seat 2 is symmetrically arranged on the left and right sides of the fixing frame 4, the positioning seat 2 is fixedly installed on the base 1, and a cylinder 3 is fixedly installed at the rear end of the positioning seat 2, and a freely movable steel frame plate 5 is mounted on the fixing frame 4, and a slider 6 is symmetrically installed on the left and right sides of the rear side of the lower end of the steel frame plate 5, and the slider 6 is fixedly connected to the rear end of the cylinder 3, and a bracket 7 is fixedly installed on the upper end of the steel frame plate 5, and an arc-shaped opening is provided at the upper end of the bracket 7, so as to facilitate the stable placement of the repair motor 8, and a fixing plate 10 is symmetrically installed on the left and right sides of the middle of the upper end of the steel frame plate 5, and a guide rail assembly 9 is fixedly installed between the fixing plate 10 and the adjacent inner wall of the fixing frame 4, so that the guide rail assembly 9 is used to drive the steel frame plate 5 on the fixing plate 10 to move relative to the fixing frame 4, thereby driving the repair motor 8 to perform positioning detection of noise abnormality;

[0020] An arc-shaped cavity 11 is provided on the fixing frame 4, and an infusion port 12 is provided at the rear end of the arc-shaped cavity 11. Sound-receiving fluid, which can be specifically a magnetic fluid, is infused into the arc-shaped cavity 11 through the infusion port 12, so that the size of the noise is judged by the amplitude of the sound-receiving activity of the magnetic fluid. The left and right sides of the lower end of the arc-shaped opening of the fixing frame 4 are symmetrically fixed with inclined sound-receiving baffles 13, which are convenient for receiving the noise propagation of the maintenance motor 8 and for better specific measurement of the noise occurrence location. An arc-shaped window 14 is provided at the front end of the fixing frame 4, and the arc-shaped window 14 is isolated from the arc-shaped cavity 11 by transparent glass, so that the activity amplitude of the sound-receiving fluid in the arc-shaped cavity 11 can be observed through the arc-shaped window 14.

[0021] The guide rail assembly 9 includes a guide rail base 91, a slide rail member 92 and meshing teeth 93. The guide rail base 91 is fixedly installed at the lower ends of the left and right side plates of the fixed frame 4, and the slide rail member 92 is fixedly installed on the outer side of the fixed plate 10. Tooth patterns are correspondingly arranged between the slide rail member 92 and the guide rail base 91, and meshing teeth 93 are arranged between the slide rail member 92 and the guide rail base 91, so that the slide rail member 92 can slide on the guide rail base 91 through the meshing teeth 93, so that the steel frame plate 5 can slide.

[0022] The working principle of the utility model is:

[0023] When the utility model is used, the maintenance motor 8 is placed on the bracket 7, and the power is directly supplied through the voltage-stabilized power supply. Then, the cylinder 3 is started to drive the steel frame to move, and the slide rail member 92 slides on the guide rail bottom member 91 through the meshing stroke through the meshing teeth 93, so that the maintenance motor 8 passes under the arc-shaped cavity 11 on the fixed frame 4, and the sound-receiving baffle 13 is used to collect the noise of the maintenance motor 8, so that the sound-receiving fluid injected in the arc-shaped cavity 11 jumps according to the size of the noise, so that the activity amplitude of the sound-receiving fluid in the arc-shaped cavity 11 is observed through the arc-shaped window 14 to determine the location where the noise of the maintenance motor 8 occurs, so as to facilitate the subsequent disassembly of the maintenance motor 8, reduce the cumbersome procedures in the maintenance process, and increase the efficiency of the maintenance work.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A noise abnormality detection device for repairing a motor, comprising a base (1), characterized in that: A fixing frame (4) is fixedly mounted on the middle part of the upper end of the base (1), and a positioning seat (2) is symmetrically arranged on the left and right sides of the fixing frame (4). The positioning seat (2) is fixedly mounted on the base (1), and a cylinder (3) is fixedly mounted on the rear end of the positioning seat (2). A freely movable steel frame plate (5) is mounted on the fixing frame (4), and a sliding block (6) is symmetrically mounted on the left and right sides of the rear side of the lower end of the steel frame plate (5). The sliding block (6) is fixedly connected to the rear end of the cylinder (3). A fixing plate (10) is symmetrically mounted on the left and right sides of the middle part of the upper end of the steel frame plate (5), and a guide rail assembly (9) is fixedly mounted between the fixing plate (10) and the inner wall of the adjacent fixing frame (4), so that the guide rail assembly (9) is used to drive the steel frame plate (5) on the fixing plate (10) to move relative to the fixing frame (4), thereby driving the maintenance motor (8) to perform positioning detection of abnormal noise. The fixing frame (4) is provided with an arc-shaped cavity (11), and a front end of the fixing frame (4) is provided with an arc-shaped window (14). The arc-shaped window (14) and the arc-shaped cavity (11) are isolated from each other by transparent glass, so that the activity amplitude of the sound receiving fluid in the arc-shaped cavity (11) can be observed through the arc-shaped window (14).

2. The noise abnormality detection device for repairing a motor according to claim 1, characterized in that: A bracket (7) is fixedly mounted on the upper end of the steel frame plate (5), and an arc-shaped opening is provided on the upper end of the bracket (7).

3. The noise abnormality detection device for repairing a motor according to claim 1, characterized in that: The arc-shaped cavity (11) is provided with a filling port (12) at the rear end thereof, and a sound receiving fluid, which may be a magnetic fluid, is filled into the arc-shaped cavity (11) through the filling port (12).

4. The noise abnormality detection device for repairing a motor according to claim 1, characterized in that: Oblique sound receiving baffles (13) are symmetrically fixedly installed on the left and right sides of the lower end of the arc-shaped opening of the fixing frame (4).

5. The noise abnormality detection device for repairing a motor according to claim 1, characterized in that: The guide rail assembly (9) comprises a guide rail bottom member (91), a slide rail member (92) and meshing teeth (93); the guide rail bottom member (91) is fixedly mounted on the lower ends of the left and right side plates of the fixed frame (4); the slide rail member (92) is fixedly mounted on the outer side of the fixed plate (10); and tooth patterns are correspondingly arranged between the slide rail member (92) and the guide rail bottom member (91).

6. The device for detecting abnormal noise for repairing a motor according to claim 5, characterized in that: Engaging teeth (93) are provided between the slide rail member (92) and the guide rail bottom member (91).

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