Loading test device for conductive slip ring

Abstract

The utility model relates to a loading test device for a conductive slip ring. The loading test device comprises a test board support, a motor, the conductive slip ring and an electric bulb. The motor and the conductive slip ring are respectively arranged on the testboard support, the output end of the motor is connected with the rotor end of the conductive slip ring, the bulb is connected to a loop at the rotor end of the conductive slip ring, and a loop outgoing line corresponding to the stator end of the conductive slip ring is connected with a direct-current power supply; the device is simple in structure, extremely low in cost and accurate, visual and clear in test result, and can replace expensive test equipment in dynamic resistance fluctuation and on-off tests of middle-end and low-end conductive slip rings, so that the cost is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of conductive slip ring technology, and in particular to a load testing device for conductive slip rings. Background Technology

[0002] Conductive slip rings are precision power transmission devices that enable power and signal transmission between two relatively rotating mechanisms. They are widely used in robots, intelligent production lines, radar systems, etc. The electrical transmission function of conductive slip rings is mainly to transmit electrical signals between rotating and stationary parts through wires and sliding friction pairs. To ensure that the conductive slip ring can reliably transmit power and signals with unlimited rotation of n±360° between the rotating and stationary parts, the product must undergo process running-in testing before leaving the factory. The stator end of the conductive slip ring is fixed, and the rotor end of the conductive slip ring is driven by a motor through a rotating chuck. During operation, the circuit of the conductive slip ring must be continuously monitored. During operation, there should be no excessive fluctuation in dynamic resistance or short circuits or open circuits. The instantaneous interruption test equipment for monitoring conductive slip rings is expensive, and the high cost is not suitable for low- to mid-range conductive slip rings. Utility Model Content

[0003] The purpose of this invention is to provide a load testing device for conductive slip rings, addressing the shortcomings of existing technologies.

[0004] This utility model is achieved using the following technical solution:

[0005] A load testing device for a conductive slip ring includes a test bench support, a motor, a conductive slip ring, and a light bulb. The motor and the conductive slip ring are respectively mounted on the test bench support. The output end of the motor is connected to the rotor end of the conductive slip ring. The light bulb is connected to a circuit at the rotor end of the conductive slip ring. The stator end of the conductive slip ring is connected to a DC power supply via a corresponding circuit lead.

[0006] Furthermore, the test bench support includes support columns, a support plate, a conductive slip ring fixing plate, and positioning rods; multiple support columns are fixedly arranged at the bottom of the support plate, and multiple positioning rods are arranged between the bottom of the support plate and the bottom of the conductive slip ring fixing plate.

[0007] Furthermore, the positioning rod is made of tungsten steel.

[0008] Furthermore, both the support plate and the conductive slip ring fixing plate are provided with multiple positioning rod mounting holes, and the positioning rods are clearance-fitted with the positioning rod mounting holes.

[0009] Furthermore, the top of the conductive slip ring fixing plate is provided with a plurality of conductive slip ring stator end mounting holes, which are fixedly connected to the stator end face of the conductive slip ring.

[0010] Furthermore, a rotating chuck is provided on the top of the support plate, and the rotor end of the conductive slip ring is fitted with the rotating chuck with a clearance to rotate. The rotating chuck is connected to the motor drive shaft through a locking nut.

[0011] Furthermore, the motor is fixedly mounted at the bottom of the support plate, and the motor drive shaft is perpendicular to the support plate.

[0012] Furthermore, the light bulb and the lead wire at the rotor end of the conductive slip ring are fixed to the rotating chuck with electrical tape.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] This invention features a motor and a conductive slip ring mounted on a test bench. A light bulb is used as a load connected to the conductive slip ring circuit, and the illumination state of the light bulb is used as the test result. The system can rotate 360° continuously to monitor the dynamic resistance fluctuation and continuity of the conductive slip ring. This invention has a simple structure, extremely low cost, and provides accurate, intuitive, and clear test results. In the testing of dynamic resistance fluctuation and continuity of low- to mid-range conductive slip rings, it can replace expensive testing equipment, greatly reducing costs. Attached Figure Description

[0015] The utility model will be further described below with reference to the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the overall structure of this utility model.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Test bench bracket; 1-1. Support column; 1-2. Support plate; 1-3. Conductive slip ring fixing plate; 1-4. Positioning rod; 1-5. Rotary chuck; 1-6. Locking nut; 2. Motor; 3. Conductive slip ring; 4. Light bulb. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise explicitly specified and limited, the embodiments and features described in the embodiments of this application can be combined with each other. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] like Figure 1-2 The diagram shows a load testing device for a conductive slip ring, comprising a test bench support 1, a motor 2, a conductive slip ring 3, and a light bulb 4. The motor 2 and the conductive slip ring 3 are respectively mounted on the test bench support 1. The output terminal of the motor 2 is connected to the rotor terminal of the conductive slip ring 3. The light bulb 4 is connected to a circuit on the rotor terminal of the conductive slip ring 3, and the corresponding circuit lead-out wires on the stator terminal of the conductive slip ring 3 are connected to a DC power supply. The motor 2 provides adjustable power output to the testing device, and the light bulb 4 is connected in series with the circuit of the conductive slip ring 3 as a load during the test to monitor the dynamic resistance fluctuations and momentary interruptions of the conductive slip ring.

[0022] The test bench support 1 includes support columns 1-1, support plate 1-2, conductive slip ring fixing plate 1-3, and positioning rods 1-4. Multiple support columns 1-1 are fixedly mounted on the bottom of the support plate 1-2, and multiple positioning rods 1-4 are positioned between the bottom of the support plate 1-2 and the bottom of the conductive slip ring fixing plate 1-3. Preferably, the support columns 1-1 and the support plate 1-2 are connected and fixed by screws.

[0023] Positioning rods 1-4 are made of tungsten steel. The preferred quantity of high-precision chromium rods is four, with an outer diameter tolerance in the micrometer range.

[0024] Both the support plate 1-2 and the conductive slip ring fixing plate 1-3 are provided with multiple positioning rod mounting holes, and the positioning rod 1-4 is fitted with the positioning rod mounting holes with a clearance fit. The small clearance fit between the positioning rod 1-4 and the positioning rod mounting holes ensures the parallelism of the two planes.

[0025] The top of the conductive slip ring fixing plate 1-3 is provided with multiple conductive slip ring stator end mounting holes, which are fixedly connected to the stator end face of the conductive slip ring 3. Preferably, the conductive slip ring stator end mounting holes are rigidly connected to the stator end face of the conductive slip ring 3 by screws.

[0026] The top of the support plate 1-2 is equipped with a rotating chuck 1-5. The rotor end of the conductive slip ring 3 is fitted with the rotating chuck 1-5 with clearance and rotates. The rotating chuck 1-5 is connected to the drive shaft of the motor 2 through the locking nut 1-6.

[0027] Motor 2 is fixedly mounted at the bottom of support plate 1-2, and the drive shaft of motor 2 is perpendicular to support plate 1-2. A speed controller is provided to adjust the motor speed, providing adjustable power output for the testing device.

[0028] The bulb 4 and the rotor end lead of the conductive slip ring 3 are fixed to the rotating chuck 1-5 with electrical tape.

[0029] Working principle: A conductive slip ring typically uses two deep groove ball bearings and a friction pair to achieve 360° rotation of the stator and transmit current or data. Errors in processing, assembly, and debugging may cause a sudden increase in resistance, short circuit, or open circuit at a certain azimuth angle of the conductive slip ring. Therefore, a running-in test is required before leaving the factory. The stator end of the conductive slip ring 3 is fixed, while the rotor end is driven by motor 2 via rotating chucks 1-5. During operation, a light bulb 4 is connected to the circuit of the conductive slip ring 3 to continuously power the circuit. Monitoring shows that if the bulb flickers, the dynamic fluctuation is too large; if the bulb goes out completely at a certain angle but remains lit at other angles, the positive and negative terminals are short-circuited or open-circuited; if the bulb goes out completely after running for a period of time, the positive and negative terminals are short-circuited or open-circuited; if bulb 4 remains lit and stable, the result is qualified. The system is simple in structure, extremely low in cost, and provides accurate, intuitive, and clear test results. It can replace expensive testing equipment in low- to mid-range conductive slip ring testing for dynamic resistance fluctuations and continuity testing, significantly reducing costs.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A load testing device for a conductive slip ring, characterized in that, The test bench includes a test bench support (1), a motor (2), a conductive slip ring (3), and a light bulb (4). The motor (2) and the conductive slip ring (3) are respectively mounted on the test bench support (1). The output end of the motor (2) is connected to the rotor end of the conductive slip ring (3). The light bulb (4) is connected to a circuit of the rotor end of the conductive slip ring (3). The stator end of the conductive slip ring (3) is connected to a DC power supply via a corresponding circuit lead.

2. The load testing device for the conductive slip ring as described in claim 1, characterized in that, The test bench support (1) includes a support column (1-1), a support plate (1-2), a conductive slip ring fixing plate (1-3), and a positioning rod (1-4); a plurality of the support columns (1-1) are fixedly arranged at the bottom of the support plate (1-2), and a plurality of the positioning rods (1-4) are arranged between the bottom of the support plate (1-2) and the bottom of the conductive slip ring fixing plate (1-3).

3. The load testing device for the conductive slip ring as described in claim 2, characterized in that, The positioning rod (1-4) is made of tungsten steel.

4. The load testing device for the conductive slip ring as described in claim 3, characterized in that, Both the support plate (1-2) and the conductive slip ring fixing plate (1-3) are provided with multiple positioning rod mounting holes, and the positioning rod (1-4) is clearance-fitted with the positioning rod mounting holes.

5. The load testing device for the conductive slip ring as described in claim 4, characterized in that, The top of the conductive slip ring fixing plate (1-3) is provided with multiple conductive slip ring stator end mounting holes, and is fixedly connected to the stator end face of the conductive slip ring (3).

6. The load testing device for the conductive slip ring as described in claim 5, characterized in that, The top of the support plate (1-2) is provided with a rotating chuck (1-5). The rotor end of the conductive slip ring (3) is fitted with the rotating chuck (1-5) with a clearance and rotates. The rotating chuck (1-5) is connected to the drive shaft of the motor (2) through a locking nut (1-6).

7. The load testing device for the conductive slip ring as described in claim 6, characterized in that, The motor (2) is fixedly mounted at the bottom of the support plate (1-2), and the transmission shaft of the motor (2) is perpendicular to the support plate (1-2).

8. The load testing device for the conductive slip ring as described in claim 7, characterized in that, The light bulb (4) and the rotor end lead of the conductive slip ring (3) are fixed on the rotating chuck (1-5) by electrical tape.

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