Motor brush carrier installation test tool

By designing the motor brush holder installation and testing tooling, using rotating cam and current detection, the contact instability caused by installation error of the traditional motor brush holder is solved, ensuring stable contact between the brush and the commutator, and avoiding ignition failures.

CN223296068UActive Publication Date: 2025-09-02SUZHOU RUISHENG AUTOMATION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422680125.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-02
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

After the processing is completed, traditional motor brush holders only test the stiffness, neglecting the use defects that may be caused by installation errors, which affects the contact stability of the brush and the commutator.

Method used

A motor brush holder installation test tool is designed to detect current stability by rotating the cam and circuit to ensure the stability of the carbon brush installation.

Benefits of technology

The stability detection of carbon brush installation is achieved, the close contact between the brush and the commutator is ensured, and the ignition failure is avoided.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223296068U_ABST
    Figure CN223296068U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of equipment installation, in particular to a motor brush carrier installation test tool which comprises a base, an upper support is fixedly connected to the upper end of the base, a fixing bolt is connected to the upper end of the upper support through bolts, a test motor is fastened to the fixing bolt through bolts, and a rotating cam is fixedly connected to the output end of the test motor. A lower support is fixedly connected to the lower end of the base, a bottom mounting table is fixedly connected to the upper end face of the lower support, limiting guide rods are fixedly connected to the two side end faces of the bottom mounting table respectively, and the tail ends of the limiting guide rods are fixedly connected to the bottom end of the base; the beneficial effects are that the motor brush holder installation test tool provided by the utility model is provided with the rotating cam, so that when the cam is clamped by the carbon brush, the clamping radius of the carbon brush can be changed through rotation, meanwhile, test electrode circuits are added to the two sides of the carbon brush, and the stability of current in the circuit is detected when the rotating cam rotates, thereby guaranteeing the subsequent use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of equipment installation, in particular to a motor brush holder installation and testing tool. Background Art

[0002] The brush holder refers to the device for installing the brushes. It ensures that the brushes are accurately positioned on the commutator, thereby ensuring that the brushes are in full and close contact with the commutator, keeping the contact voltage drop constant, and ensuring that the brushes do not jump and cause sparks, resulting in commutation failures.

[0003] After processing, traditional motor brush holders usually only test the stiffness of the motor brush holder itself. However, in actual use, there may be certain installation error risks after the carbon brushes are installed in the motor brush holder, which may cause major defects in the function after installation and affect subsequent use. Therefore, the utility model proposes a motor brush holder installation and testing tool to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a motor brush holder installation and testing tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a motor brush holder installation and testing tool, the motor brush holder installation and testing tool comprising: a base, the upper end of the base is fixedly connected to an upper bracket, the upper end of the upper bracket is bolted with a fixing bolt, the fixing bolt is bolted with a test motor, and the output end of the test motor is fixedly connected to a rotating cam; the lower end of the base is fixedly connected to a lower bracket, the upper end surface of the lower bracket is fixedly connected to a bottom mounting platform, the end surfaces on both sides of the bottom mounting platform are respectively fixedly connected to a limiting guide rod, and the end of the limiting guide rod is fixedly connected to the bottom end of the base.

[0006] Preferably, the bottom end surface of the base is fixedly connected to a motor assembly, the output end of the motor assembly is fixedly connected to a transmission screw, the outer side of the transmission screw is symmetrically threaded with a transmission frame on both sides of the bottom mounting platform, the upper ends of the transmission frame are fixedly connected to inner support rods on both sides, the inner support rods are supported and fastened with brush holders on both sides, and the upper end surface of the brush holder is fixedly connected to carbon brush mounting grooves on both sides.

[0007] Preferably, a threaded sleeve hole is provided on the end surface of the transmission frame, and a transmission screw is threadedly sleeved in the threaded sleeve hole.

[0008] Preferably, guide sleeve holes are provided on both sides of the end surface of the transmission frame, and limiting guide rods are sleeved in the guide sleeve holes.

[0009] Preferably, a transmission screw is sleeved inside the bottom mounting platform.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The motor brush holder installation and testing tool proposed in the utility model is provided with a rotating cam, so that when the cam is clamped by the carbon brush, the clamping radius of the carbon brush can be changed by rotating. At the same time, a test electrode circuit is added on both sides of the carbon brush, and the stability of the current in the circuit is detected when the rotating cam rotates, thereby ensuring subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 Schematic diagram of the mounting frame to be tested;

[0014] Figure 3 This is a schematic diagram of some connection structures of the utility model;

[0015] Figure 4 This is a schematic diagram of the bottom side of the utility model;

[0016] Figure 5 for Figure 4 A in the middle is an enlarged schematic diagram;

[0017] Figure 6 It is a partial structural diagram of the utility model.

[0018] In the figure: 1 base, 2 upper bracket, 3 test motor, 4 rotating cam, 5 brush holder, 6 carbon brush mounting slot, 7 fixing bolt, 8 threaded sleeve hole, 9 lower bracket, 10 motor assembly, 11 transmission frame, 12 limit guide rod, 13 bottom mounting platform, 14 transmission screw, 15 inner support rod, 16 guide sleeve hole. DETAILED DESCRIPTION

[0019] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figures 1-6The utility model provides a technical solution: a motor brush holder installation and testing tool, the motor brush holder installation and testing tool includes: a base 1, the upper end of the base 1 is fixedly connected with an upper bracket 2, the upper end of the upper bracket 2 is bolted with a fixing bolt 7, the fixing bolt 7 is bolted with a test motor 3, and the output end of the test motor 3 is fixedly connected with a rotating cam 4; the lower end of the base 1 is fixedly connected with a lower bracket 9, the upper end surface of the lower bracket 9 is fixedly connected with a bottom mounting platform 13, and the end surfaces on both sides of the bottom mounting platform 13 are respectively fixedly connected with a limiting guide rod 12, and the end of the limiting guide rod 12 is fixedly connected to the bottom end of the base 1. The test motor 3 can be installed and disassembled on the upper bracket 2 by the fixing bolt 7, and the test motor 3 can drive the rotating cam 4 to rotate.

[0021] Example 2: On the basis of Example 1, the bottom end surface of the base 1 is fixedly connected to the motor assembly 10, and the output end of the motor assembly 10 is fixedly connected to the transmission screw 14. The outer side of the transmission screw 14 is symmetrically threaded on both sides of the bottom mounting platform 13 with a transmission frame 11. The upper end of the transmission frame 11 is fixedly connected to the inner support rod 15. The inner support rod 15 supports and fastens the brush holder 5 on both sides. The upper end surface of the brush holder 5 is fixedly connected to the carbon brush mounting groove 6 on both sides. The end surface of the transmission frame 11 is provided with a threaded hole 8. The threaded hole 8 is threadedly provided with a transmission screw 14. The end surface of the transmission frame 11 is provided with a guide The sleeve hole 16 and the guide sleeve hole 16 are sleeved with a limit guide rod 12, and the bottom mounting platform 13 is sleeved with a transmission screw 14. First, the brush holder 5 is installed on the base 1, and the transmission screw 14 is driven to rotate by the motor assembly 10, so that the transmission frame 11 opens to clamp the brush holder 6 internally, and at the same time, the carbon brush is installed in the carbon brush installation groove 6, and the circuit with power is turned on. The test motor 3 is installed on the upper bracket through the fixing bolt 7, so that the rotating cam 4 is clamped between the carbon brushes, and the test motor is started. By detecting the stability of the current in the circuit, the stability of the carbon brush installation can be realized.

[0022] In actual use, first install the brush holder 5 on the base 1, and use the motor assembly 10 to drive the transmission screw 14 to rotate, so that the transmission frame 11 opens to clamp the brush holder 6 internally, and at the same time install the carbon brush in the carbon brush installation groove 6, and turn on the circuit with power supply. Then install the test motor 3 on the upper bracket through the fixing bolt 7, so that the rotating cam 4 is clamped between the carbon brushes, start the test motor, and detect the stability of the current in the circuit to realize the stability of the carbon brush installation.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor brush holder installation and testing tool, characterized by: The motor brush holder installation and testing tooling includes: A base (1), the upper end of the base (1) is fixedly connected to an upper bracket (2), the upper end of the upper bracket (2) is bolted to a fixing bolt (7), the fixing bolt (7) is bolted to a test motor (3), and the output end of the test motor (3) is fixedly connected to a rotating cam (4); The lower end of the base (1) is fixedly connected to a lower bracket (9), the upper end surface of the lower bracket (9) is fixedly connected to a bottom mounting platform (13), and both side end surfaces of the bottom mounting platform (13) are respectively fixedly connected to limiting guide rods (12), and the ends of the limiting guide rods (12) are fixedly connected to the bottom end of the base (1).

2. The motor brush holder installation and testing tool according to claim 1, characterized in that: The bottom end surface of the base (1) is fixedly connected to a motor assembly (10), the output end of the motor assembly (10) is fixedly connected to a transmission screw (14), the outer side of the transmission screw (14) is symmetrically threadedly sleeved with a transmission frame (11) on both sides of the bottom mounting platform (13), the upper ends of the transmission frame (11) are fixedly connected to inner support rods (15) on both sides, the inner support rods (15) are supported and fastened with brush holders (5), and the upper end surfaces of the brush holder (5) are fixedly connected to carbon brush mounting grooves (6) on both sides.

3. The motor brush holder installation and testing tool according to claim 2, characterized in that: The end surface of the transmission frame (11) is provided with a threaded sleeve hole (8), and a transmission screw (14) is threadedly sleeved inside the threaded sleeve hole (8).

4. The motor brush holder installation and testing tool according to claim 2, characterized in that: Guide sleeve holes (16) are provided on both sides of the end surface of the transmission frame (11), and a limiting guide rod (12) is sleeved in the guide sleeve hole (16).

5. The motor brush holder installation and testing tool according to claim 1, characterized in that: A transmission screw (14) is sleeved inside the bottom mounting platform (13).