A magnetic transmission component performance test device

Abstract

A magnetic transmission component performance test device, the invention relates to a performance test device, the invention solves the problem that the existing transmission component test device can only realize the torque transmission capacity test of the magnetic transmission component in the running state, and cannot or is not convenient to realize the accurate test of other performances of the magnetic transmission component in the running state. The invention comprises a driving motor, an axial force test assembly, a conductive slip ring, a temperature sensor, a transmission shaft assembly, a loading motor, a driving end equipment support platform, a load end equipment support platform, a torque meter, a cushion block and a flexible coupling; the driving motor is connected to one end of a torque meter through a flexible coupling, the other end of the torque meter is connected to one end of the axial force test assembly through a flexible coupling, the other end of the axial force test assembly is fixedly connected to the magnetic transmission component conductor disk of the magnetic transmission component through the flexible coupling, the conductive slip ring is installed on the axial force test assembly, and the invention is used for performance testing.

Description

Technical Field

[0001] The invention relates to a performance testing device, in particular to a performance testing device for a magnetic transmission component. Background Art

[0002] The magnetic transmission component uses the interaction between the magnetic field of the permanent magnetic disk and the conductor disk to achieve torque transmission. It is a non-contact torque transmission with strong compensation ability. The permanent magnetic disk is equipped with magnets with N and S poles arranged alternately, and the conductor disk is equipped with a conductor eddy current disk. In use, the conductor disk is connected to the drive-end device, and the permanent magnetic disk is connected to the load-end device. Under the condition of torque transmission, the magnetic transmission component will generate additional axial force accompanied by the temperature rise of the conductor disk. Excessive additional axial force will reduce the service life of the bearings of the adjacent equipment. Excessive temperature rise will cause damage to the conductor disk and the reduction or even loss of the torque transmission capacity of the magnetic transmission component. In order to ensure that the magnetic transmission component works stably and reliably under actual working conditions and give full play to the performance advantages of non-contact torque transmission and strong compensation ability of magnetic transmission, it is necessary to fully test the torque transmission capacity, eccentricity compensation ability, axial force between the conductor disk and the permanent magnetic disk, and temperature rise of the conductor disk under specified working conditions of the magnetic transmission component. At present, conventional transmission component testing equipment generally has the transmission component installed between the driving device and the loading device. The existing transmission component testing equipment can only test the torque transmission capacity of the magnetic transmission component under the operating state, and cannot or is not convenient to accurately test other performances of the magnetic transmission component under the operating state. Summary of the invention

[0003] The present invention aims to solve the problem that the existing transmission component testing device can only test the torque transmission capacity of the magnetic transmission component in the operating state, but cannot or is not convenient to accurately test other performances of the magnetic transmission component in the operating state, and further provides a magnetic transmission component performance testing device.

[0004] The technical solution adopted by the present invention to solve the above problems is:

[0005] It includes a driving motor, an axial force test component, a conductive slip ring, a temperature sensor, a transmission shaft component, a loading motor, a driving end equipment support platform, a load end equipment support platform, an adjustment pad I, an adjustment pad II, two torque meters, two pads and a plurality of flexible couplings; the driving motor is connected to one end of a torque meter through a flexible coupling, the other end of the torque meter is connected to one end of the axial force test component through a flexible coupling, the other end of the axial force test component is fixedly connected to the conductor disk of the magnetic transmission component of the magnetic transmission component through a flexible coupling, the conductive slip ring is installed on the axial force test component, and the loading motor is connected to the conductor disk of the magnetic transmission component through a flexible coupling. The flexible coupling is connected to one end of another torque meter, the other end of the torque meter is connected to one end of the transmission shaft assembly through a flexible coupling, the transmission shaft assembly is fixedly connected to the permanent magnetic disk of the magnetic transmission component of the magnetic transmission component, the conductor disk of the magnetic transmission component and the permanent magnetic disk of the magnetic transmission component are arranged opposite to each other, the driving motor, the torque meter of the driving motor and the axial force test assembly are fixedly installed on the driving end equipment support platform, the loading motor, the torque meter connected to the loading motor and the transmission shaft assembly are fixedly installed on the load end equipment support platform, the temperature sensor is installed on the conductor disk of the magnetic transmission component, and the temperature sensor is connected to the conductive slip ring.

[0006] Beneficial effects of the present invention:

[0007] 1. The test device can be used to test the torque, temperature rise and axial force of the running magnetic transmission components, and the performance test of the magnetic transmission components is more comprehensive. The test device can also ensure that the relative position relationship of other equipment in the input and output shaft system remains unchanged, and the internal eccentricity of the magnetic transmission components can be quickly adjusted.

[0008] 2. The patent of this invention proposes a new type of magnetic transmission component test device, through which the torque, temperature rise and additional axial force of the magnetic transmission component during operation can be tested, and the eccentricity of the magnetic transmission component under test can be quickly adjusted.

[0009] 3. The performance test device of magnetic transmission components adopts the form of electric power closure. The entire test device is arranged horizontally, and the magnetic transmission component is located in the middle of the test device. The drive motor, torque meter, axial force test assembly, and conductive slip ring are located at the input end of the magnetic transmission component, and each device is connected through a flexible coupling; the transmission shaft assembly, torque meter, and loading motor are located at the output end of the magnetic transmission component, and each device is connected through a flexible coupling. The conductor disk of the magnetic transmission component and the axial force test assembly, the permanent magnetic disk and the transmission shaft assembly are rigidly connected. The input and output devices of the magnetic transmission component are respectively integrated on their respective support platforms. All devices are rigidly connected to the support platform and can move synchronously with the support platform. An adjustment pad is set under the support platform. By adjusting the height of the adjustment pad under the support platform, the radial and angular position relationship between the permanent magnetic disk and the conductor disk of the magnetic transmission component can be changed on the premise of ensuring that the relative position relationship of the equipment motor, torque meter, etc. on the support platform remains unchanged, simulating different eccentric installation states, and realizing the rapid adjustment of the internal eccentricity of the magnetic transmission component.

[0010] 4. The axial force test assembly consists of a transmission shaft, a transmission shaft support, an axial force transmission ring, a pressure weighing sensor, and a baffle. The transmission shaft is supported by two bidirectionally movable rolling bearings. The transmission shaft is rigidly connected to the axial force transmission ring through a self-aligning bearing. The axial force transmission ring is installed on the outer ring of the self-aligning bearing. A circumferential limit structure is installed between the axial force transmission ring and the baffle to prevent it from rotating with the transmission shaft. The baffle is fixed on the transmission shaft support. A pressure weighing sensor is installed on the baffle. The transmission shaft is rigidly connected to the conductor disk of the magnetic transmission component. When the magnetic transmission component is in operation, its internal axial force acts on the conductor disk, driving the transmission shaft to move axially, so that the axial force transmission ring contacts the pressure weighing sensor on the baffle. The axial force transmission ring can swing within a certain range with the outer ring of the self-aligning rolling bearing relative to the transmission shaft, which is used to compensate for processing and installation errors, ensure uniform contact between the axial force transmission ring and the pressure weighing sensor, and achieve the purpose of measuring the dynamic axial force of the magnetic transmission component. The transmission shaft of the axial force test assembly adopts a hollow shaft structure, on which a through-hole conductive slip ring is installed. The inner ring of the conductive slip ring is fixed on the transmission shaft and rotates with the transmission shaft. The outer ring of the conductive slip ring is fixed on the baffle to remain stationary. A temperature sensor is installed on the magnetic transmission component. Its signal line enters the inner ring of the conductive slip ring through the inner hole of the transmission shaft, and the temperature signal is output through the outer ring of the conductive slip ring, thereby realizing the temperature rise measurement of the magnetic transmission component in the operating state. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the layout diagram of the performance test device for magnetic transmission components.

[0012] Figure 2It is the angular deviation state of the magnetic transmission component. When adjusting the internal eccentricity of the magnetic transmission component 30 in the figure, it is necessary to change the relative position relationship between the permanent magnetic disk 31 of the magnetic transmission component and the conductor disk 32 of the magnetic transmission component to ensure that the height of the pad 43 remains unchanged. By changing the height difference between the adjustment pad Ⅰ41 and the adjustment pad Ⅱ42, the A1 angular deviation adjustment can be achieved.

[0013] Figure 3 It is the radial deviation state of the magnetic transmission component. When adjusting the internal eccentricity of the magnetic transmission component 30 in the figure, it is necessary to change the relative position relationship between the permanent magnetic disk 31 of the magnetic transmission component and the conductor disk 32 of the magnetic transmission component to ensure that the height of the pad 43 remains unchanged. By synchronously adjusting the height values ​​of the pad I 41 and the pad II 42, it can be achieved. Figure 3 R1 radial runout adjustment shown.

[0014] Figure 4 yes Figure 1 View K in the figure is a cross-sectional view of the axial force test assembly. DETAILED DESCRIPTION

[0015] Specific implementation method 1: Combination Figure 1-Figure 4The present embodiment is described. The present embodiment describes a magnetic transmission component performance test device, which includes a drive motor 10, an axial force test assembly 12, a conductive slip ring 13, a temperature sensor 14, a transmission shaft assembly 21, a loading motor 23, a drive-end device support platform 24, a load-end device support platform 25, an adjustment pad Ⅰ41, an adjustment pad Ⅱ42, two torque meters 11, two pads 43 and a plurality of flexible couplings; the drive motor 10 is connected to one end of a torque meter 11 through a flexible coupling, the other end of the torque meter 11 is connected to one end of the axial force test assembly 12 through a flexible coupling, the other end of the axial force test assembly 12 is fixedly connected to a magnetic transmission component conductor disk 32 of a magnetic transmission component 30 through a flexible coupling, and the conductive slip ring 13 is installed on the axial force test assembly 12. On the assembly 12, the loading motor 23 is connected to one end of another torque meter 11 through a flexible coupling, the other end of the torque meter 11 is connected to one end of the transmission shaft assembly 21 through a flexible coupling, the transmission shaft assembly 21 is fixedly connected to the magnetic transmission component permanent magnetic disk 31 of the magnetic transmission component 30, the magnetic transmission component conductor disk 32 is arranged opposite to the magnetic transmission component permanent magnetic disk 31, the drive motor 10, the torque meter 11 of the drive motor 10 and the axial force test assembly 12 are fixedly installed on the drive end equipment support platform 24, the loading motor 23, the torque meter 11 connected to the loading motor 23 and the transmission shaft assembly 21 are fixedly installed on the load end equipment support platform 25, the temperature sensor 14 is installed on the magnetic transmission component conductor disk 32, and the temperature sensor 14 is connected to the conductive slip ring 13. An embedded thermocouple temperature sensor 14 is installed on the conductor disk 32 of the magnetic transmission component for measuring its temperature rise. A conductive slip ring 13 is installed on the axial force test assembly 12 close to the magnetic transmission component 30 , and the temperature signal is output through the conductive slip ring 13 .

[0016] Specific implementation method 2: Combination Figure 1-Figure 3 This embodiment is described. This embodiment describes a magnetic transmission component performance test device, which also includes an adjustment pad I 41, an adjustment pad II 42 and two pads 43; the adjustment pad I 41 and the adjustment pad II 42 are arranged on the driving end equipment support platform 24, and the two pads 43 are arranged on the bottom of the load end equipment support platform 25. The driving end equipment support platform 24 is supported by the adjustment pad I 41 and the adjustment pad II 42, and the inclination angle of the driving end equipment support platform 24 is adjusted, and the load end equipment support platform 25 is supported by the two pads 43. Other methods are the same as those in the first embodiment.

[0017] Specific implementation method three: Combination Figure 1-Figure 4The present embodiment is described as a magnetic transmission component performance test device. The axial force test assembly 12 includes a transmission shaft 51, a self-aligning bearing 54, an axial force transmission ring 57, a support body 58, an anti-rotation pin 70, a limit bolt 71, two support bearings 52, two baffles 56 and six pressure sensors 55; two support bearings 52 are mounted on the transmission shaft 51, each support bearing 52 is arranged near one end of the transmission shaft 51, the self-aligning bearing 54 and the conductive slip ring 13 are mounted on the transmission shaft 51 between the two support bearings 52, and the outer ring of the self-aligning bearing 54 is fixedly mounted with an axial force transmission ring 57. , a baffle 56 is provided at each end of the self-aligning bearing 54, and three pressure sensors 55 are evenly installed on each baffle 56, and the probes of the three pressure sensors 55 are arranged in the same plane, and the pressure sensors 55 on each baffle 56 are arranged between the baffle 56 and the axial force transmission ring 57, the conductive slip ring 13 is connected to one baffle 56 through a limit bolt 71, and an anti-rotation pin 70 is provided on the other baffle 56, and the anti-rotation pin 70 is inserted on the axial force transmission ring 57, and the two support bearings 52 and the two baffles 56 are installed on the support body 58, and the support body 58 is installed on the driving end equipment support platform 24. An anti-rotation pin 70 is installed between the baffle 56 and the axial force transmission ring 57 to prevent the axial force transmission ring 57 from rotating with the transmission shaft 51, and the axial force transmission ring 57 can generate relative swing with the baffle 56 through the anti-rotation pin 70, which is used to compensate for processing and installation errors and ensure that the axial force transmission ring 57 is in uniform contact with the three pressure sensors 55. In the present application, the self-aligning bearing 54 is a self-aligning ball bearing, the support bearing 52 is a cylindrical roller bearing with double pivots and free support without axial limit, and other methods are the same as those in the first or second specific implementation.

[0018] Specific implementation method four: Combination Figure 1-Figure 4 The present embodiment is described. The present embodiment describes a magnetic transmission component performance test device. The conductive slip ring 13 includes a conductive slip ring outer ring 13-1 and a conductive slip ring inner ring 13-2. The conductive slip ring outer ring 13-1 is arranged outside the conductive slip ring inner ring 13-2. The conductive slip ring inner ring 13-2 is sleeved on the transmission shaft 51. The conductive slip ring outer ring 13-1 is fixedly connected to the adjacent baffle 56 by a limit bolt 71. The inner ring of the conductive slip ring inner ring 13-2 is fixed on the transmission shaft 51 and rotates with the transmission shaft 51. The conductive slip ring outer ring 13-1 is fixed on the baffle 56 by a limit bolt 71. The temperature rise measurement can be realized when the magnetic transmission component 30 is in the rotating working state. Other methods are the same as those of the specific embodiment one or two.

[0019] Specific implementation method five: Combination Figure 1-Figure 4The present embodiment is described as a magnetic transmission component performance test device. The axial force test assembly 12 also includes a stuffing box 50, one end of the transmission shaft 51 is a hollow shaft, a through hole is processed in the radial direction on the transmission shaft 51, and the through hole is set through the hollow groove of the transmission shaft 51. The signal line 14-1 of the temperature sensor 14 passes through the hollow groove and the through hole of the transmission shaft 51 and is connected to the inner ring 13-2 of the conductive slip ring. The end of the transmission shaft 51 processed with the hollow groove is sealed with a stuffing box 50. The stuffing box 50 on the transmission shaft 51 is used to fix the wire and play a sealing role to prevent the coolant in the magnetic transmission component 30 from leaking through the wire hole on the transmission shaft 51. Other methods are the same as the specific embodiment one.

Claims

1. A magnetic transmission component performance test device, characterized in that: It comprises a driving motor (10), an axial force test assembly (12), a conductive slip ring (13), a temperature sensor (14), a transmission shaft assembly (21), a loading motor (23), a driving end equipment support platform (24), a load end equipment support platform (25), an adjustment pad I (41), an adjustment pad II (42), two torque meters (11), two pads (43) and a plurality of flexible couplings; the axial force test assembly (12) comprises a transmission shaft (51), a self-aligning bearing (54), an axial force transmission ring (57), a support body (58), an anti-rotation pin (70), a limit bolt (71), two support bearings (52), two baffles (56) and six pressure sensors (55); The driving motor (10) is connected to one end of a torque meter (11) through a flexible coupling, the other end of the torque meter (11) is connected to one end of an axial force test assembly (12) through a flexible coupling, the other end of the axial force test assembly (12) is fixedly connected to a magnetic transmission component conductor disk (32) of a magnetic transmission component (30) through a flexible coupling, the conductive slip ring (13) is mounted on the axial force test assembly (12), the loading motor (23) is connected to one end of another torque meter (11) through a flexible coupling, the other end of the torque meter (11) is connected to one end of a transmission shaft assembly (21) through a flexible coupling, the transmission shaft assembly (21) is fixedly connected to a magnetic transmission component permanent disk (31) of a magnetic transmission component (30), and the magnetic transmission component conductor disk (32) is fixedly connected to a magnetic transmission component permanent disk (31) of a magnetic transmission component (30). The disk (32) is arranged opposite to the permanent magnetic disk (31) of the magnetic transmission component; the driving motor (10), the torque meter (11) connected to the driving motor (10) and the axial force test assembly (12) are fixedly installed on the driving end equipment support platform (24); the loading motor (23), the torque meter (11) connected to the loading motor (23) and the transmission shaft assembly (21) are fixedly installed on the load end equipment support platform (25); the temperature sensor (14) is installed on the conductor disk (32) of the magnetic transmission component, and the temperature sensor (14) is connected to the conductive slip ring (13); the adjustment pad I (41) and the adjustment pad II (42) are arranged on the driving end equipment support platform (24); and the two pads (43) are arranged on the bottom end of the load end equipment support platform (25); Two support bearings (52) are mounted on the transmission shaft (51), each support bearing (52) is arranged close to one end of the transmission shaft (51), a self-aligning bearing (54) and a conductive slip ring (13) are mounted on the transmission shaft (51) between the two support bearings (52), an axial force transmission ring (57) is fixedly mounted on the outer ring of the self-aligning bearing (54), a baffle (56) is respectively arranged at both ends of the self-aligning bearing (54), and three pressure sensors (55) are evenly mounted on each baffle (56), and the probes of the three pressure sensors (55) are The two baffles (56) are arranged on the same plane, the pressure sensor (55) on each baffle (56) is arranged between the baffle (56) and the axial force transmission ring (57), the conductive slip ring (13) is connected to one baffle (56) through a limit bolt (71), the other baffle (56) is provided with an anti-rotation pin (70), the anti-rotation pin (70) is inserted into the axial force transmission ring (57), the two support bearings (52) and the two baffles (56) are installed on a support body (58), and the support body (58) is installed on a driving end equipment support platform (24).

2. A magnetic transmission component performance test device according to claim 1, characterized in that: The conductive slip ring (13) comprises a conductive slip ring outer ring (13-1) and a conductive slip ring inner ring (13-2); the conductive slip ring outer ring (13-1) is arranged outside the conductive slip ring inner ring (13-2); the conductive slip ring inner ring (13-2) is sleeved on the transmission shaft (51); and the conductive slip ring outer ring (13-1) is fixedly connected to an adjacent baffle (56) via a limiting bolt (71).

3. A magnetic transmission component performance test device according to claim 1, characterized in that: The axial force test assembly (12) also includes a stuffing box (50), one end of the transmission shaft (51) is a hollow shaft, a through hole is processed in the radial direction on the transmission shaft (51), and the through hole is arranged through the hollow groove of the transmission shaft (51), a signal line (14-1) of the temperature sensor (14) passes through the hollow groove and the through hole of the transmission shaft (51) and is connected to the inner ring (13-2) of the conductive slip ring, and the end of the transmission shaft (51) processed with the hollow groove is sealed and installed with the stuffing box (50).

Images