Comprehensive test platform for DDR motor
By integrating a comprehensive DDR motor testing platform and utilizing components such as hysteresis brakes, speed sensors, and temperature sensors, the cumbersome nature of existing DDR motor testing equipment has been resolved, enabling efficient and low-cost comprehensive testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-03-27
AI Technical Summary
Existing DDR motor testing requires replacing equipment with different functions, which is cumbersome, inefficient, and costly.
Design a comprehensive testing platform for DDR motors, integrating torque, speed, temperature and shell hardness detection functions. Detection is achieved using a hysteresis brake, speed sensor and temperature sensor, and shell hardness is detected through a cylinder and top block.
It enables comprehensive testing of DDR motors, improves testing efficiency, reduces testing costs, and is easy to use without requiring equipment replacement.
Smart Images
Figure CN224051373U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor test field especially relates to a DDR motor comprehensive test platform. BACKGROUND
[0002] DDR motor, namely direct drive rotary motor, is a special type of motor, it can directly drive load without using traditional mechanical transmission elements such as gear box, belt or chain etc., the advantage of this design is to reduce the gap, friction and wear and tear brought by mechanical transmission, improve the precision, efficiency and reliability of system.
[0003] The existing DDR motor test is usually carried out by installing the DDR motor on the torque detection equipment for torque detection, then using additional speed detection equipment and temperature detection equipment to detect the speed and temperature generated during operation of the DDR motor, then taking down the DDR motor and transferring to the extrusion equipment for shell hardness detection, and then realizing the comprehensive test of the DDR motor, however, the current needs to replace multiple devices with different functions to test the DDR motor, the operation is more cumbersome, which can easily lead to low detection efficiency, high detection cost and inconvenient use.
[0004] Therefore, it is necessary to design a DDR motor comprehensive test platform capable of detecting the torque, speed, temperature and shell hardness of the DDR motor, realizing the comprehensive test of the DDR motor, improving the detection efficiency, without replacing the equipment for detection, reducing the detection cost and being convenient to use. UTILITY MODEL CONTENTS
[0005] In order to overcome the shortcomings of the current need to replace multiple devices with different functions to test the DDR motor, the operation is more cumbersome, which can easily lead to low detection efficiency, high detection cost and inconvenient use, the utility model provides a DDR motor comprehensive test platform capable of detecting the torque, speed, temperature and shell hardness of the DDR motor, realizing the comprehensive test of the DDR motor, improving the detection efficiency, without replacing the equipment for detection, reducing the detection cost and being convenient to use.
[0006] The technical scheme is as follows: a DDR motor comprehensive test platform, comprising a DDR motor, a screw, a platform, a connecting rod, a supporting rod, a hardness detection assembly, a torque detection assembly and a speed and temperature detection assembly, the DDR motor is detachably connected to the upper side of the middle part of the platform through multiple screws, the connecting rod is connected to the output shaft of the DDR motor, the supporting rod is connected to the upper side of the rear part of the platform, the platform is provided with a hardness detection assembly for detecting the hardness of the shell of the DDR motor, the torque detection assembly is arranged between the connecting rod and the supporting rod for detecting the torque of the DDR motor, and the speed and temperature detection assembly is arranged at the lower part of the supporting rod for detecting the speed and temperature of the DDR motor during operation.
[0007] Optionally, the nuts of the screws are hexagonal.
[0008] Optionally, the hardness detection assembly comprises air cylinders and jacks, and the left and right sides of the platform are connected with the air cylinders, and the telescopic ends of the air cylinders are connected with the jacks.
[0009] Optionally, the jacks are arc-shaped.
[0010] Optionally, the torque detection assembly comprises shaft couplings, support blocks, torque sensors and hysteresis brakes, the upper part of the connecting rod is connected with the shaft couplings, the front side of the middle upper part of the support rod is connected with the support blocks, the upper side of the support block is connected with the torque sensor, the front side of the upper part of the support rod is connected with the hysteresis brake, and the hysteresis brake is also connected with the shaft coupling, and the shaft couplings are connected with the torque sensor.
[0011] Optionally, the rotating speed and temperature detection assembly comprises speed sensors and temperature sensors, the front side of the connecting rod is provided with a mark groove, the front side of the lower part of the support rod is connected with the speed sensor, and the lower part of the support rod is connected with the temperature sensor.
[0012] The utility model has the following advantages: 1, the utility model discloses a hysteresis brake is used to detect the torque of DDR motor, detects the rotating speed through the speed sensor, detects the temperature through the temperature sensor, and the hardness of the shell is detected through the jack moving extrusion DDR motor, so that the torque, rotating speed, temperature and shell hardness of DDR motor can be detected, the comprehensive test of DDR motor is realized, the detection efficiency is improved, the equipment detection is not needed to change, the detection cost is reduced, and the utility model is convenient to use.
[0013] 2, the utility model discloses that DDR motor is placed on the platform, makes the output shaft of DDR motor and the connecting rod joint, then fixes DDR motor through the screw, so that DDR motor can be fixed when detecting, prevents DDR motor displacement, and improves the stability of detection. ACCURATE DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0015] Figure 2 It is the structure schematic diagram of the utility model.
[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model jack and the like components.
[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model hysteresis brake and the like components.
[0018] In the above figure: 1: DDR motor, 2: screw, 3: platform, 4: cylinder, 5: top block, 6: connecting rod, 7: mark groove, 8: shaft coupling, 9: support block, 10: torque sensor, 11: hysteresis brake, 12: support rod, 13: speed sensor, 14: temperature sensor. DETAILED DESCRIPTION
[0019] Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.
[0020] A DDR motor comprehensive test platform, as shown in Figures 1-4 , comprising DDR motor 1, screw 2, platform 3, connecting rod 6, support rod 12, hardness detection assembly, torque detection assembly and rotating speed temperature detection assembly, the upper side of the middle part of the platform 3 is detachably connected with the DDR motor 1 through four screws 2, the nuts of the screws 2 are hexagonal, the output shaft of the DDR motor 1 is connected with the connecting rod 6, the upper side of the rear part of the platform 3 is connected with the support rod 12, the platform 3 is provided with a hardness detection assembly for detecting the hardness of the shell of the DDR motor 1, the connecting rod 6 and the support rod 12 are provided with a torque detection assembly for detecting the torque of the DDR motor 1, and the lower part of the support rod 12 is provided with a rotating speed temperature detection assembly for detecting the rotating speed and temperature of the DDR motor 1.
[0021] As shown in Figure 1 and Figure 3 , the hardness detection assembly comprises a cylinder 4 and a top block 5, the left and right sides of the platform 3 are connected with the cylinder 4, the telescopic end of the cylinder 4 is connected with the top block 5, and the top block 5 is arc-shaped, which is convenient for fitting the shape of the DDR motor 1.
[0022] As shown in Figure 1 , Figure 2 and Figure 4 , the torque detection assembly comprises a shaft coupling 8, a support block 9, a torque sensor 10 and a hysteresis brake 11, the upper part of the connecting rod 6 is connected with the shaft coupling 8, the front side of the middle upper part of the support rod 12 is connected with the support block 9, the upper side of the support block 9 is connected with the torque sensor 10, the front side of the upper part of the support rod 12 is connected with the hysteresis brake 11, the hysteresis brake 11 is also connected with the shaft coupling 8, and the shaft coupling 8 is connected with the torque sensor 10.
[0023] As Figure 1 And Figure 2 As shown in the speed sensor 13 and the temperature sensor 14, the connecting rod 6 front side is provided with a mark groove 7, the speed sensor 13 is connected to the lower front side of the support rod 12, and the temperature sensor 14 is connected to the lower part of the support rod 12.
[0024] When the DDR motor 1 needs to be tested comprehensively, the device can be used, the platform 3 is in contact with the ground or the table top, the DDR motor 1 is placed on the platform 3, the output shaft of the DDR motor 1 is clamped with the connecting rod 6, then the DDR motor 1 is fixed through the screw 2, the nut of the screw 2 is hexagonal, so that the DDR motor 1 can be fixed during detection, preventing the DDR motor 1 from moving and improving the stability of detection, then the DDR motor 1 is powered on and runs, the connecting rod 6 rotates, and the magnetic hysteresis brake 11 generates a magnetic field, under the action of the shaft coupling 8, the connecting rod 6 is subjected to resistance due to the magnetic field, the resistance is transmitted to the output shaft of the DDR motor 1, so that the DDR motor 1 needs to overcome this additional resistance to maintain the original speed or torque output, by adjusting the current flowing through the electromagnetic coil in the magnetic hysteresis brake 11, the magnetic field strength can be controlled, and then the resistance applied to the output shaft of the DDR motor 1 is adjusted, and then the torque of the DDR motor 1 is detected through the torque sensor 10, then the speed of the connecting rod 6 is detected through the mark groove 7 and the speed sensor 13, and then the speed of the DDR motor 1 is detected, and at the same time, the temperature of the DDR motor 1 during operation is detected through the temperature sensor 14, then the cylinder 4 is started, the cylinder 4 drives the top block 5 to move to extrude the DDR motor 1, the top block 5 is arc-shaped, which is convenient for fitting the shape of the DDR motor 1, and then the hardness of the shell of the DDR motor 1 is detected, and whether the shell of the DDR motor 1 is deformed under extrusion is checked, so that the torque, speed, temperature and shell hardness of the DDR motor 1 can be detected, the comprehensive test of the DDR motor 1 is realized, the detection efficiency is improved, the equipment detection is not needed to be replaced, the detection cost is reduced, the use is convenient, after detection is completed, the DDR motor 1, the torque sensor 10, the speed sensor 13, the temperature sensor 14 and the magnetic hysteresis brake 11 are closed, the cylinder 4 is reversely operated to make the top block 5 move reversely and reset, then the cylinder 4 is closed, then the screw 2 is rotated to be removed, and then the DDR motor 1 is removed.
[0025] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A comprehensive test platform for a DDR electric machine, characterized in that: The utility model relates to a DDR motor (1), screw (2), platform (3), connecting rod (6), support rod (12), hardness detection subassembly, torque detection subassembly and rotating speed temperature detection subassembly are included, the upper side of the middle part of platform (3) is detachably connected with DDR motor (1) through a plurality of screw (2), the output shaft of DDR motor (1) is connected with connecting rod (6), the upper side of the rear part of platform (3) is connected with support rod (12), be equipped with the hardness detection subassembly for detecting the hardness of the shell of DDR motor (1) on platform (3), be equipped with the torque detection subassembly for detecting the torque of DDR motor (1) between connecting rod (6) and support rod (12), the rotating speed and temperature detection subassembly for detecting the rotating speed and temperature of DDR motor (1) running are equipped with in the lower part of support rod (12).
2. The DDR motor comprehensive test platform of claim 1, wherein: The nut of screw (2) is all hexagonal.
3. The DDR motor comprehensive test platform of claim 1, wherein: The hardness detection subassembly includes cylinder (4) and top block (5), and the upper side of the left and right two parts of platform (3) is connected with cylinder (4), and the telescopic end of cylinder (4) is connected with top block (5).
4. The DDR motor comprehensive test platform of claim 3, wherein: The top block (5) is all arc.
5. The DDR motor comprehensive test platform of claim 1, wherein: The torque detection subassembly includes shaft coupling (8), support block (9), torque sensor (10) and magnetic hysteresis brake (11), the upper part of connecting rod (6) is connected with shaft coupling (8), the front side of the middle upper part of support rod (12) is connected with support block (9), the upper side of support block (9) is connected with torque sensor (10), the front side of the upper part of support rod (12) is connected with magnetic hysteresis brake (11), and the upper side of magnetic hysteresis brake (11) is also connected with shaft coupling (8), and shaft coupling (8) is connected with torque sensor (10).
6. The DDR motor comprehensive test platform of claim 1, wherein: The rotating speed temperature detection subassembly includes speed sensor (13) and temperature sensor (14), the front side of connecting rod (6) is opened with marking groove (7), the lower part of support rod (12) is connected with speed sensor (13) on the front side, and the lower part of support rod (12) is connected with temperature sensor (14).