Double-encoder high-speed testing device
By designing a high-speed dual-encoder testing device, which uses a low-speed motor to simulate a high-speed state, the limitations of single-motor single-encoder testing equipment are overcome, enabling efficient and economical encoder performance evaluation and improving the flexibility and accuracy of testing.
Patent Information
- Application Number
- CN202520060945.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing testing equipment is mainly designed for single motors and single encoders, resulting in a limited selection of test samples and restricting the wide applicability of test results. Furthermore, high-speed encoder testing equipment is expensive and has high requirements, making it impossible to fully simulate the complex working conditions in real-world applications.
Design a high-speed dual-encoder testing device that uses a low-speed motor to simulate high speed by changing the transmission ratio, and realizes dual encoder signal output. The device includes a combination of motor shaft, mounting base, main drive shaft, synchronous pulley and encoder, which can test the performance of high-speed encoder under low-speed motor.
It enables cost-effective testing of high-speed encoders, reduces equipment costs, improves the flexibility and repeatability of the testing process, ensures the accuracy and reliability of test results, can simulate various working conditions, and reduces reliance on expensive equipment.
Smart Images
Figure CN223678531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to motor test equipment technical field, especially, relate to a double encoder high speed testing device. BACKGROUND
[0002] High speed encoder performance test is the important process of evaluating the accuracy and stability of encoder under high speed operation, and encoder is usually used for accurate measurement of position, speed or angle, and is widely used in automation, robot, numerical control equipment and other fields. The test content includes response speed, resolution, accuracy, repeatability and anti-interference ability. Common test methods include using oscilloscope to detect signal output, analyzing signal quality of encoder and cooperation effect with control system, evaluating working performance of encoder under different rotating speeds through high speed data acquisition system, and testing anti-interference ability of encoder in high frequency noise environment.
[0003] In the field of high speed encoder performance test, most of the current test equipment is mainly designed for single motor single encoder test condition, so the selection of test samples is relatively single, which limits the wide applicability of test results. Traditional test equipment can usually only output feedback signal of one encoder, which has limitations for performance evaluation of multi-channel or complex system. In addition, high speed motor is usually expensive and has high requirements for test environment, which leads to that most tests can only be carried out in limited laboratory conditions and cannot completely simulate complex working conditions in real application.
[0004] Therefore, we provide a double encoder high speed testing device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a double encoder high speed testing device, which solves the problem of single selection of test samples and limitation of wide applicability of test results by setting test assembly.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0007] The utility model is a double encoder high speed testing device, which comprises a motor body, a motor shaft is installed at the output end of the motor body, and a mounting base is sleeved on the surface of the motor shaft; a test assembly is arranged on one side of the mounting base, the test assembly comprises a main transmission shaft, the main transmission shaft is arranged on one side of the mounting base, a first encoder gear is installed on the surface of the main transmission shaft, a first encoder magnetic head is arranged on the top of the first encoder gear, and a second encoder is arranged on one side of the main transmission shaft.
[0008] The utility model further sets up, motor shaft surface installs motor coupling, motor coupling surface installs big synchronous pulley, main drive shaft surface installs small synchronous pulley.
[0009] The utility model further sets up, big synchronous pulley and small synchronous pulley between the sleeve high strength synchronous belt, big synchronous pulley one side installs the pressure disc.
[0010] The utility model further sets up, second encoder and main drive shaft between installing second encoding coupling, second encoder surface installs the mounting support.
[0011] The utility model further sets up, main drive shaft surface installs the front bearing, and the front bearing surface installs the bearing support.
[0012] The utility model further sets up, main drive shaft and installation pedestal between installing first rear bearing and second rear bearing, installation pedestal one side installs the bearing gland, and main drive shaft one side installs the corrugated spring.
[0013] The utility model further sets up, first encoder magnetic head and installation pedestal are connected, can make the encoder rotation speed reach the required rotation speed under the condition that the motor body rotation speed is 750, thereby testing the performance of the encoder under high speed
[0014] The utility model further sets up, second encoder installation direction is in the motor shaft front part, and the encoder is double encoder, and one is gear type encoder, and one is photoelectric encoder.
[0015] The utility model has the advantages of the following: can make a motor complete the signal output of two encoders simultaneously, solves the limitation that traditional test equipment can only test one encoder alone, the design utilizes low speed motor to simulate the working state of high speed motor, thereby realizing the test demand of high speed encoder, since the cost of low speed motor is lower, and the high cost and high maintenance expense brought by high speed motor can be effectively reduced, the overall test cost is significantly reduced, this scheme not only makes the encoder performance test more economical and efficient, but also can improve the flexibility and repeatability of the test process, by adjusting the control system of motor, multiple working conditions can be accurately simulated, the encoder performance under high speed is evaluated, the accuracy and reliability of test result are ensured, and the dependence on expensive equipment is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment briefly.
[0017] Figure 1It is a perspective view of a double-encoder high-speed testing device.
[0018] Figure 2 It is a sectional view of a double-encoder high-speed testing device.
[0019] Figure 3 It is a separate schematic view of a motor body and a mounting base in a double-encoder high-speed testing device.
[0020] Figure 4 It is an exploded schematic view of one side structure of a mounting base in a double-encoder high-speed testing device.
[0021] In the drawings: 1, motor body; 2, motor shaft; 3, mounting base; 4, main transmission shaft; 5, first encoder gear; 6, first encoder magnetic head; 7, second encoder; 8, motor coupling; 9, large synchronous pulley; 10, small synchronous pulley; 11, high-strength synchronous belt; 12, pressure plate; 13, second encoding coupling; 14, mounting bracket; 15, front bearing; 16, bearing bracket; 17, first rear bearing; 18, first rear bearing; 19, bearing gland; 20, wave-shaped spring. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments.
[0023] Embodiment one
[0024] Please refer to Figures 1-4 The utility model discloses a double-encoder high-speed testing device, which comprises a motor body 1, a motor shaft 2 is installed at the output end of the motor body 1, and a mounting base 3 is sleeved on the surface of the motor shaft 2. A testing assembly is arranged on one side of the mounting base 3, and the testing assembly comprises a main transmission shaft 4, which is arranged on one side of the mounting base 3. A first encoder gear 5 is installed on the surface of the main transmission shaft 4, a first encoder magnetic head 6 is arranged on the top of the first encoder gear 5, and a second encoder 7 is arranged on one side of the main transmission shaft 4.
[0025] Specifically, the encoder is connected with the motor body 1 through synchronous pulleys with a 20:1 transmission ratio, and the rotation speed of the encoder can reach 15000 rpm under the condition that the rotation speed of the motor body 1 is 750 rpm, so as to test the performance of the encoder under high-speed state.
[0026] Embodiment two
[0027] Please refer to Figures 1-4On the basis of the first embodiment, the motor shaft 2 is surface-mounted with a motor coupling 8, the motor coupling 8 is surface-mounted with a large synchronous pulley 9, the main transmission shaft 4 is surface-mounted with a small synchronous pulley 10, the large synchronous pulley 9 and the small synchronous pulley 10 are sleeved with a high-strength synchronous belt 11, the large synchronous pulley 9 is installed with a pressure plate 12 on one side, the second encoder 7 is installed with a second encoding coupling 13 between the main transmission shaft 4, the second encoder 7 is surface-mounted with a mounting bracket 14, the main transmission shaft 4 is surface-mounted with a front bearing 15, the front bearing 15 is surface-mounted with a bearing bracket 16, the main transmission shaft 4 is installed with a first rear bearing 17 and a second rear bearing 18 between the mounting base 3, the mounting base 3 is installed with a bearing gland 19 on one side, the main transmission shaft 4 is installed with a wave-shaped spring 20 on one side, the first encoder magnetic head 6 is connected with the mounting base 3, and the encoder speed can reach the required speed under the condition that the motor body 1 rotates at 750 rpm, so that the performance of the encoder under the high-speed state can be tested, the second encoder 7 is installed in the front part of the motor shaft 2, and the encoder is a double encoder, one of which is a gear type encoder and the other is a photoelectric type encoder.
[0028] Specifically, the encoder is installed in the front part of the motor shaft 2, the encoder is a double encoder, one of which is a gear type encoder and the other is a photoelectric type encoder, and the motor shaft 2 and the main transmission shaft 4 of the encoder are connected through synchronous pulleys.
[0029] The working principle of the utility model is as follows: the encoder satisfies the high-speed (10000-15000 revolutions per minute) test condition by changing the transmission ratio (20:1) of the low-speed motor body 1, the motor body 1 supports the double encoder signal output during operation, improves the sample diversity in the test process, changes the transmission ratio and the connection mode of the encoder, improves the test efficiency and increases the test sample, and can be widely applied to the encoder test scene.
[0030] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through a control unit, the control circuit of the control unit can be realized through simple programming of the person skilled in the art, and the control mode and the circuit connection are well known in the art, so the control mode and the circuit connection are not explained in detail in the utility model.
[0031] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.
Claims
1. A high-speed testing device with dual encoders, comprising a motor body (1), characterized in that: The motor body (1) has a motor shaft (2) installed at its output end, and a mounting base (3) is fitted on the surface of the motor shaft (2). A test assembly is provided on one side of the mounting base (3). The test assembly includes a main drive shaft (4). The main drive shaft (4) is located on one side of the mounting base (3). A first encoder gear (5) is mounted on the surface of the main drive shaft (4). A first encoder head (6) is provided on the top of the first encoder gear (5). A second encoder (7) is provided on one side of the main drive shaft (4).
2. The dual-encoder high-speed testing device according to claim 1, characterized in that: A motor coupling (8) is mounted on the surface of the motor shaft (2), a large synchronous pulley (9) is mounted on the surface of the motor coupling (8), and a small synchronous pulley (10) is mounted on the surface of the main drive shaft (4).
3. The high-speed testing device with dual encoders according to claim 2, characterized in that: A high-strength synchronous belt (11) is fitted between the large synchronous pulley (9) and the small synchronous pulley (10), and a pressure plate (12) is installed on one side of the large synchronous pulley (9).
4. The high-speed testing device with dual encoders according to claim 1, characterized in that: A second encoder coupling (13) is installed between the second encoder (7) and the main drive shaft (4), and a mounting bracket (14) is installed on the surface of the second encoder (7).
5. The dual-encoder high-speed testing device according to claim 1, characterized in that: The main drive shaft (4) is fitted with a front bearing (15), and the front bearing (15) is fitted with a bearing bracket (16).
6. The high-speed testing device with dual encoders according to claim 1, characterized in that: A first rear bearing (17) and a second rear bearing (18) are installed between the main drive shaft (4) and the mounting base (3). A bearing cap (19) is installed on one side of the mounting base (3), and a wave-shaped spring (20) is installed on one side of the main drive shaft (4).
7. The high-speed testing device with dual encoders according to claim 1, characterized in that: The first encoder head (6) is connected to the mounting base (3), which can make the encoder speed reach the required speed when the motor body (1) rotates at 750 rpm, thereby testing the performance of the encoder at high speed.
8. The high-speed testing device with dual encoders according to claim 1, characterized in that: The second encoder (7) is installed in front of the motor shaft (2). The encoder is a dual encoder, one is a gear encoder and the other is a photoelectric encoder.