Torque test board for conductive slip ring
Through the conductive slip ring torque test bench, the torque of the conductive slip ring is measured by connecting the stepper servo motor and dynamic torque sensor, which solves the problems of low measurement accuracy and complex operation in the prior art, and realizes high-precision torque measurement.
Patent Information
- Application Number
- CN202422274622.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The prior art cannot accurately measure the torque magnitude of each azimuth angle of the conductive slip ring. Conventional methods have low measurement accuracy and complex operation, which may lead to equipment damage under high demand conditions.
The conductive slip ring torque test bench is used, including the test bench bracket, stepping servo motor and dynamic torque sensor. The stepping servo motor and dynamic torque sensor are connected through a coupling to measure the torque at the rotor end of the conductive slip ring.
High-precision and simple torque measurement are achieved, ensuring the accuracy of torque measurement at each azimuth angle and avoiding equipment damage.
Smart Images
Figure CN223064724U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of conductive slip rings, in particular to a torque test bench for conductive slip rings. Background Technique
[0002] A conductive slip ring is a precision power transmission device that realizes power and signal transmission between two relatively rotating mechanisms and is widely used in robots, intelligent production lines, radar systems, etc. Conventional measurement methods for the torque of conductive slip rings, such as the weight measurement method and the spring dynamometer measurement method, have problems such as low measurement accuracy, inconvenient installation and testing, and high requirements for operators. Especially for some conductive slip rings with high requirements for the magnitude of the rotational torque, the conventional measurement methods for torque cannot accurately measure the torque magnitude at each azimuth angle. Content of the Utility Model
[0003] The purpose of the utility model is to provide a torque test bench for conductive slip rings in view of the deficiencies of the prior art, which solves the problems that a conductive slip ring generally realizes 360° stepless rotation of the rotor and stator and transmits current or data through two deep groove ball bearings and a friction pair. Due to errors in processing, assembly, debugging, etc., the torque at a certain azimuth angle of the conductive slip ring may be suddenly large. In some high - requirement working conditions, the driving motor of the supporting equipment may be damaged accordingly, and the conventional test methods cannot accurately measure the torque deviation at each azimuth angle.
[0004] The utility model is implemented by adopting the following technical scheme:
[0005] A torque test bench for conductive slip rings includes a test bench support, a stepping servo motor, a dynamic torque sensor, and a conductive slip ring; the stepping servo motor, the dynamic torque sensor, and the conductive slip ring are respectively arranged on the test bench support, the output shaft of the stepping servo motor is connected to the first rotating shaft of the dynamic torque sensor, and the second rotating shaft of the dynamic torque sensor is connected to the rotor end of the conductive slip ring.
[0006] Preferably, the test bench support includes support columns, a support disk, a conductive slip ring fixing bracket, and positioning rods; a plurality of the support columns are fixedly arranged at the bottom of the support disk, and a plurality of the positioning rods are arranged between the bottom of the support disk and the bottom of the conductive slip ring fixing bracket.
[0007] Preferably, the positioning rods are made of tungsten steel rods.
[0008] Preferably, a plurality of positioning rod mounting holes are arranged on both the support disk and the conductive slip ring fixing bracket, and the positioning rods are in clearance fit with the positioning rod mounting holes.
[0009] Preferably, the top of the conductive slip ring fixing bracket is provided with a plurality of conductive slip ring stator - end mounting holes and is fixedly connected to the end face of the stator end of the conductive slip ring.
[0010] Preferably, a chuck is provided at the bottom of the fixed bracket of the conductive slip ring. The chuck is rotatably connected to the fixed bracket of the conductive slip ring through a deep groove ball bearing, and the top of the chuck is fixedly connected to the rotor end of the conductive slip ring.
[0011] Preferably, the stepper servo motor is fixedly arranged at the bottom of the support disc, and the main shaft of the stepper servo motor is perpendicular to the support disc.
[0012] Preferably, the housing part of the dynamic torque sensor is fixedly arranged above the support disc.
[0013] Preferably, the output shaft of the stepper servo motor and the first rotating shaft of the dynamic torque sensor, and the second rotating shaft of the dynamic torque sensor and the bottom of the chuck are respectively connected by couplings.
[0014] Preferably, the stepper servo motor and the dynamic torque sensor are respectively electrically connected to a switching power supply, and the stepper servo motor and the dynamic torque sensor are respectively communicatively connected to a computer.
[0015] Compared with the prior art, the utility model has the following beneficial technical effects:
[0016] The utility model is provided with a stepper servo motor, a dynamic torque sensor and a conductive slip ring to be tested on a test bench bracket; the installation is simple and convenient, the installation accuracy is high, the operation difficulty is low, and the measurement accuracy is high, and the torque magnitude of each azimuth angle of the conductive slip ring can be accurately measured. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The following further describes the utility model with reference to the drawings:
[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 is a sectional view of the overall structure of the utility model.
[0020] Description of the reference numerals:
[0021] 1-1, support column; 1-2, support disc; 1-3, fixed bracket of conductive slip ring; 1-4, positioning rod; 1-5, coupling; 1-6, deep groove ball bearing; 1-7, chuck; 2-1, stepper servo motor; 2-2, motor switching power supply; 3-1, dynamic torque sensor; 3-2, sensor switching power supply; 4, conductive slip ring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] In order to more clearly understand the above-mentioned objects, features, and advantages of the present 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, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other. In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific situations.
[0023] As Figure 1-2 shown: A conductive slip ring torque test bench includes a test bench bracket, a stepping servo motor 2-1, a dynamic torque sensor 3-1, and a conductive slip ring 4; the stepping servo motor 2-1, the dynamic torque sensor 3-1, and the conductive slip ring 4 are respectively arranged on the test bench bracket, the output shaft of the stepping servo motor 2-1 is connected to the first rotating shaft of the dynamic torque sensor 3-1, and the second rotating shaft of the dynamic torque sensor 3-1 is connected to the rotor end of the conductive slip ring 4.
[0024] The test bench bracket includes support columns 1-1, a support disk 1-2, a conductive slip ring fixed bracket 1-3, and positioning rods 1-4; a plurality of support columns 1-1 are fixedly arranged at the bottom of the support disk 1-2. Preferably, the support columns 1-1 are fixed to the bottom of the support disk 1-2 by screws, and a plurality of positioning rods 1-4 are arranged between the bottom of the support disk 1-2 and the bottom of the conductive slip ring fixed bracket 1-3. Preferably, the positioning rods 1-4 are made of high-precision tungsten steel rods, and a plurality of positioning rod mounting holes are arranged on both the support disk 1-2 and the conductive slip ring fixed bracket 1-3. The positioning rods 1-4 are in clearance fit with the positioning rod mounting holes; the number of the positioning rods 1-4 is preferably four to ensure the parallelism of the planes of the support disk 1-2 and the conductive slip ring fixed bracket 1-3; the outer dimension and the geometric tolerance of the test bench bracket are both of precision level, which can ensure the high coaxiality of the installation of the conductive slip ring 4, the stepping servo motor 2-1, and the dynamic torque sensor 3-1 to be tested, thus avoiding the measurement error caused by the installation error.
[0025] A plurality of conductive slip ring stator end mounting holes are arranged at the top of the conductive slip ring fixed bracket 1-3 and are fixedly connected to the end face of the stator end of the conductive slip ring 4; preferably, the stator end of the conductive slip ring 4 is fixed to the conductive slip ring fixed bracket 1-3 by screws; the conductive slip ring to be tested can be disassembled and replaced, avoiding the situation that the size and shape of the conductive slip ring to be tested are limited, resulting in the complete inability to measure the torque.
[0026] The bottom of the fixed bracket 1-3 of the conductive slip ring is provided with a belt rotating chuck 1-7. The belt rotating chuck 1-7 is rotationally connected to the fixed bracket 1-3 of the conductive slip ring through a deep groove ball bearing 1-6. The top of the belt rotating chuck 1-7 is fixedly connected to the rotor end of the conductive slip ring 4. Preferably, the top of the belt rotating chuck 1-7 and the rotor end of the conductive slip ring 4 are fixed by a pin to achieve the belt rotation function.
[0027] The stepping servo motor 2-1 is fixedly arranged at the bottom of the support disk 1-2, and the main shaft of the stepping servo motor 2-1 is perpendicular to the support disk 1-2. Preferably, the stepping servo motor 2-1 is fixed to the bottom of the support disk 1-2 by screws.
[0028] The housing part of the dynamic torque sensor 3-1 is fixedly arranged above the support disk 1-2. Preferably, the housing part of the dynamic torque sensor 3-1 is fixed above the support disk 1-2 by screws.
[0029] The output shaft of the stepping servo motor 2-1 and the first rotating shaft (i.e., the lower rotating shaft) of the dynamic torque sensor 3-1, and the second rotating shaft (i.e., the upper rotating shaft) of the dynamic torque sensor 3-1 and the bottom of the belt rotating chuck 1-7 are respectively connected by a coupling 1-5.
[0030] The stepping servo motor 2-1 and the dynamic torque sensor 3-1 are respectively electrically connected to the switching power supply. Preferably, the motor switching power supply 2-2 is fixed to the support column 1-1 by screws, and the sensor switching power supply 3-2 is fixed above the support disk 1-2 by screws. The stepping servo motor 2-1 and the dynamic torque sensor 3-1 are respectively communicatively connected to the computer. Preferably, the stepping servo motor 2-1 and the computer are interconnected through a converter, and the motor speed is adjusted using computer debugging software to provide an adjustable power output for the test bench bracket. The dynamic torque sensor 3-1 and the computer are interconnected through a converter. The dynamic torque sensor 3-1 adopts a high-precision sensor and can accurately measure the rotational torque of the conductive slip ring.
[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
[0032] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements 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 the present invention.
Claims
1. A conductive slip ring torque test bench, characterized in that It includes a test bench bracket, a stepping servo motor (2-1), a dynamic torque sensor (3-1), and a conductive slip ring (4); the stepping servo motor (2-1), the dynamic torque sensor (3-1), and the conductive slip ring (4) are respectively arranged on the test bench bracket, the output shaft of the stepping servo motor (2-1) is connected to the first rotating shaft of the dynamic torque sensor (3-1), and the second rotating shaft of the dynamic torque sensor (3-1) is connected to the rotor end of the conductive slip ring (4).
2. The torque test bench for the conductive slip ring according to claim 1, characterized in that The test bench bracket includes a support column (1-1), a support disk (1-2), a conductive slip ring fixing bracket (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 disk (1-2), and a plurality of the positioning rods (1-4) are arranged between the bottom of the support disk (1-2) and the bottom of the conductive slip ring fixing bracket (1-3).
3. The conductive slip ring torque test bench according to claim 2, characterized in that, The positioning rod (1-4) is made of tungsten steel rod.
4. The torque test bench for the conductive slip ring according to claim 3, characterized in that, A plurality of positioning rod mounting holes are arranged on both the support disk (1-2) and the conductive slip ring fixing bracket (1-3), and the positioning rod (1-4) is in clearance fit with the positioning rod mounting holes.
5. The torque test bench for a conductive slip ring according to claim 2, wherein, The top of the conductive slip ring fixing bracket (1-3) is provided with a plurality of conductive slip ring stator end mounting holes and is fixedly connected to the end face of the stator end of the conductive slip ring (4).
6. The torque test bench for the conductive slip ring according to claim 2, wherein A belt chuck (1-7) is arranged at the bottom of the conductive slip ring fixing bracket (1-3), the belt chuck (1-7) is rotationally connected to the conductive slip ring fixing bracket (1-3) through a deep groove ball bearing (1-6), and the top of the belt chuck (1-7) is fixedly connected to the rotor end of the conductive slip ring (4).
7. The torque test bench for a conductive slip ring according to claim 2, wherein, The stepping servo motor (2-1) is fixedly arranged at the bottom of the support disk (1-2), and the main shaft of the stepping servo motor (2-1) is perpendicular to the support disk (1-2).
8. The torque test bench for a conductive slip ring according to claim 2, wherein, The housing part of the dynamic torque sensor (3-1) is fixedly arranged above the support disk (1-2).
9. The torque test bench for a conductive slip ring according to claim 6, characterized in that, The output shaft of the stepping servo motor (2-1) and the first rotating shaft of the dynamic torque sensor (3-1), and the second rotating shaft of the dynamic torque sensor (3-1) and the bottom of the belt chuck (1-7) are respectively connected through a coupling (1-5).
10. The conductive slip ring torque test bench according to claim 1, wherein The stepping servo motor (2-1) and the dynamic torque sensor (3-1) are respectively electrically connected to a switching power supply, and the stepping servo motor (2-1) and the dynamic torque sensor (3-1) are respectively communicatively connected to a computer.