External rotor permanent magnet motor test tool

Abstract

The utility model relates to the technical field of test tools, in particular to an external rotor permanent magnet motor test tool, which comprises a bottom plate, a mounting mechanism and the bottom plate are in sliding connection, a first belt pulley is mounted at the output end of a test accompanying machine, a transmission shaft is rotatably connected onto the mounting mechanism, and a second belt pulley is fixedly connected onto the transmission shaft. The second belt pulley and the first belt pulley are in transmission through a belt, the tested machine is fixedly connected with the transmission shaft, one end of the tested machine is rotationally connected with a fixing seat, and the fixing seat at the other end of the tested machine is fixed to the mounting mechanism, so that the tested machine and the mounting mechanism relatively run. According to the utility model, different models of tested machines can be tested, the function of fine tuning according to different structures of the specific tested machines is realized, and meanwhile, due to the existence of the mounting mechanism, the tested machines can be stably fixed on the mounting mechanism, so that the voltage and current generated by the tested machines can be displayed on the electric control board more accurately.

Description

Technical Field

[0001] The utility model relates to a residue filtering device, in particular to an outer rotor permanent magnet motor test fixture, belonging to the technical field of test fixtures. Background Art

[0002] The stator of the outer rotor motor is inside and the rotor is outside. It has a large moment of inertia and small torque pulsation. It can be driven directly, provides a large torque during operation and can eliminate the need for a transmission mechanism. In recent years, it has gradually received attention in the motor industry. After the outer rotor motor is produced, its relevant performance needs to be tested.

[0003] Under the existing technology, the tooling used for testing external rotor motors has poor applicability and cannot be widely used to test external rotor motors of different models. It cannot be fine-tuned according to the specific structure of the motor being tested, and cannot be locked or centered, resulting in low test accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide an outer rotor permanent magnet motor test fixture in order to solve the above-mentioned problem. The fixing seat at the other end of the test machine is fixed to the mounting mechanism, so that the test machine and the mounting mechanism form relative operation. The test mechanism is adjusted by the mounting mechanism, so that different models of test machines can be tested, and the function of fine-tuning according to the specific structure of the test machine is realized. At the same time, due to the existence of the mounting mechanism, the test machine can be stabilized on the mounting mechanism, so that the voltage and current generated by the test machine can be displayed on the electronic control panel more accurately.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: an outer rotor permanent magnet motor test fixture, including a base plate, an adjusting mechanism is provided on the base plate, a mounting mechanism is provided on the adjusting mechanism, the mounting mechanism and the base plate are slidably connected, a testing mechanism is provided on the base plate, the testing mechanism includes a test machine, the test machine is installed on the base plate, a first pulley is installed on the output end of the test machine, a transmission shaft is rotatably connected to the mounting mechanism, a second pulley is fixedly connected to the transmission shaft, the second pulley and the first pulley are transmitted by a belt, the tested machine is fixedly connected to the transmission shaft, and one end of the tested machine is rotatably connected to a fixed seat.

[0006] Preferably, the adjustment mechanism comprises an adjustment block, the adjustment block is slidably connected to the base plate, a second screw is rotatably connected to the base plate, the second screw is threadedly connected to the adjustment block, and a mounting mechanism is mounted on the adjustment block.

[0007] Preferably, a groove is formed at one end of the second screw rod, and the cross section of the groove is a regular hexagon.

[0008] Preferably, a through hole is formed at the other end of the adjustment block, and a guide rod is slidably connected inside the adjustment block.

[0009] Preferably, the mounting mechanism includes a bracket, the bracket is fixed on the adjusting block, the bracket is slidably connected to the base plate, a first sliding groove is opened on one side of the bracket, a slider is slidably connected inside the first sliding groove, a first screw rod is rotatably connected inside the bracket, and the first screw rod and the slider are threadedly connected.

[0010] Preferably, one end of the first screw rod is fixedly connected to a rotating wheel, and an edge of the rotating wheel has a groove.

[0011] Preferably, a measuring mechanism is provided on the bottom plate, the measuring mechanism comprises a first scale, the first scale is fixedly mounted on the bracket, a second slide groove is provided on the bracket, a block is slidably connected in the second slide groove, and the block is fixedly connected to the slider.

[0012] Preferably, a second scale is fixedly mounted on the bottom plate, and the second scale and the bracket are parallel to each other.

[0013] Preferably, the fixing seat is fixedly connected to the slider, and the cross section of the transmission shaft is a regular hexagon in the middle and circular on both sides.

[0014] Preferably, the transmission shaft is rotatably connected to the sleeve, and the sleeve is fixedly connected to the bracket.

[0015] The beneficial effects of the utility model are as follows: an adjusting mechanism is provided on the bottom plate, a mounting mechanism is provided on the adjusting mechanism, the mounting mechanism is slidably connected to the bottom plate, a testing mechanism is provided on the bottom plate, a test machine is installed on the bottom plate, a first pulley is installed on the output end of the test machine, a transmission shaft is rotatably connected to the mounting mechanism, a second pulley is fixedly connected to the transmission shaft, a belt is used to transmit power to the second pulley and the first pulley, the machine under test is fixedly connected to the transmission shaft, a fixed seat is rotatably connected to one end of the machine under test, the mounting mechanism is adjusted to a suitable position by adjusting the adjusting mechanism on the bottom plate, and then the machine under test is installed in the mounting mechanism, and the test machine is The test machine drives the first pulley at the output end, the first pulley drives the belt, the belt drives the second pulley, and the kinetic energy is transmitted to the test machine through the transmission shaft between the second pulley and the test machine. At the same time, the fixed seat at the other end of the test machine is fixed to the mounting mechanism, so that the test machine and the mounting mechanism form relative operation. The test mechanism is adjusted through the mounting mechanism, so that different models of test machines can be tested, and fine-tuning can be achieved according to different models of test machines. At the same time, due to the existence of the mounting mechanism, the test machine can be stabilized on the mounting mechanism, so that the voltage and current generated by the test machine can be displayed on the electronic control panel more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2This is a schematic diagram of the connection structure between the first screw rod and the slider of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the second screw rod and the adjustment block of the utility model;

[0019] Figure 4 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0020] Figure 5 It is a structural schematic diagram of the transmission shaft of the utility model.

[0021] In the figure: 1. bottom plate; 2. testing mechanism; 201. test machine; 202. first pulley; 203. belt; 204. second pulley; 205. fixed seat; 206. tested machine; 207. transmission shaft; 3. mounting mechanism; 301. bracket; 302. sleeve; 303. first slide groove; 304. slider; 305. first screw rod; 306. rotating wheel; 4. measuring mechanism; 401. first scale; 402. second slide groove; 403. block; 404. second scale; 5. adjusting mechanism; 501. adjusting block; 502. second screw rod; 503. guide rod; 6. electric control board. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 As shown, an outer rotor permanent magnet motor test fixture comprises a base plate 1, an adjusting mechanism 5 is provided on the base plate 1, a mounting mechanism 3 is provided on the adjusting mechanism 5, the mounting mechanism 3 is slidably connected to the base plate 1, a testing mechanism 2 is provided on the base plate 1, the testing mechanism 2 comprises a test machine 201, the test machine 201 is installed on the base plate 1, a first pulley 202 is installed at the output end of the test machine 201, a transmission shaft 207 is rotatably connected to the mounting mechanism 3, a second pulley 204 is fixedly connected to the transmission shaft 207, the second pulley 204 and the first pulley 202 are transmitted through a belt 203, a tested machine 206 is fixedly connected to the transmission shaft 207, and a fixed seat 205 is rotatably connected to one end of the tested machine 206.

[0024] As a technical optimization solution of the utility model, the adjustment mechanism 5 includes an adjustment block 501, the adjustment block 501 is slidably connected to the base plate 1, the second screw rod 502 is rotatably connected to the base plate 1, the second screw rod 502 is threadedly connected to the adjustment block 501, and the mounting mechanism 3 is installed on the adjustment block 501. The second screw rod 502 has a groove at one end, and the cross-section of the groove is a regular hexagon, which is convenient for engaging with the second screw rod 502 through a wrench, driving the second screw rod 502 to rotate, driving the adjustment block 501, and the adjustment block 501 drives the bracket 301 to perform coarse adjustment.

[0025] As a technical optimization solution of the present invention, a through hole is opened at the other end of the adjustment block 501, and a guide rod 503 is slidably connected inside to make the sliding of the adjustment block 501 more stable.

[0026] As a technical optimization scheme of the utility model, the mounting mechanism 3 includes a bracket 301, the bracket 301 is fixed on the adjusting block 501, the bracket 301 is slidably connected to the base plate 1, a first sliding groove 303 is opened on one side of the bracket 301, a slider 304 is slidably connected inside the first sliding groove 303, a first screw rod 305 is rotatably connected inside the bracket 301, the first screw rod 305 and the slider 304 are threadedly connected, one end of the first screw rod 305 is fixedly connected to a rotating wheel 306, the edge of the rotating wheel 306 has a groove, and the first screw rod 305 is rotated by rotating the rotating wheel 306, so that the slider 304 slides in the first sliding groove 303.

[0027] As a technical optimization solution of the utility model, a measuring mechanism 4 is provided on the base plate 1, and the measuring mechanism 4 includes a first scale 401, and the first scale 401 is fixedly installed on the bracket 301. A second slide groove 402 is opened on the bracket 301, and a block 403 is slidably connected in the second slide groove 402. The block 403 is fixedly connected to the slider 304. The degree information of fine adjustment can be obtained through the block 403 and the first scale 401 installed on the bracket 301. A second scale 404 is fixedly installed on the base plate 1. When the position relationship between the second scale 404 and the bracket 301 is parallel to each other, the degree information of coarse adjustment can be obtained according to the second scale 404 installed on the base plate 1.

[0028] As a technical optimization scheme of the utility model, the fixed seat 205 is fixedly connected to the slider 304, the cross-section of the transmission shaft 207 is a regular hexagon in the middle and circular on both sides, the transmission shaft 207 is rotatably connected to the sleeve 302, and the sleeve 302 is fixedly connected to the bracket 301. Because of the matching relationship between the slider 304 and the first screw rod 305 and the arrangement of the sleeve 302 at the other end of the transmission shaft 207, the machine under test 206 can be more stable during testing, and the test accuracy can be higher.

[0029] When the utility model is in use, the kinetic energy output by the test machine 201 is transmitted to the first pulley 202, the first pulley 202 transmits the kinetic energy to the second pulley 204 through the belt 203, and the second pulley 204 transmits the kinetic energy to the tested machine 206 through the transmission shaft 207. The tested machine 206 rotates to generate voltage and current displayed on the electric control board 6. Because the tested machine 206 fixing seat 205 is fixed on the slider 304, the tested machine 206 can generate relative movement. When the tested machine 206 needs to be adjusted, the second screw rod 502 on the bottom plate 1 can be rotated to drive the adjustment block 501, so that the adjustment block 501 drives the bracket 301 to perform rough adjustment. At the same time, according to the second standard installed on the bottom plate 1, The ruler 404 obtains the degree information of coarse adjustment, and a through hole is set at the other end of the adjustment block 501 to slide with the guide rod 503, which can make the coarse adjustment more stable. The first screw rod 305 can also be rotated by rotating the rotating wheel 306, so that the slider 304 slides in the first slide groove 303. One end of the slider 304 is fixed to the fixing seat 205 of the tested machine 206, and the other end is fixed to the standard block 403. The degree information of fine adjustment can be obtained through the standard block 403 and the first ruler 401 installed on the bracket 301. At the same time, due to the matching relationship between the slider 304 and the first screw rod 305 and the sleeve 302 is set at the other end of the transmission shaft 207, the tested machine 206 can be made more stable during testing, and the test accuracy is higher.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An outer rotor permanent magnet motor test fixture, comprising a base plate (1), characterized in that: The base plate (1) is provided with an adjustment mechanism (5), the adjustment mechanism (5) is provided with a mounting mechanism (3), the mounting mechanism (3) and the base plate (1) are slidably connected, the base plate (1) is provided with a testing mechanism (2), the testing mechanism (2) comprises a test machine (201), the base plate (1) is provided with a test machine (201), the output end of the test machine (201) is provided with a first belt pulley (202), the mounting mechanism (3) is rotatably connected with a transmission shaft (207), the transmission shaft (207) is fixedly connected with a second belt pulley (204), the second belt pulley (204) and the first belt pulley (202) are transmitted via a belt (203), a tested machine (206) is fixedly connected with the transmission shaft (207), and one end of the tested machine (206) is rotatably connected with a fixed seat (205).

2. The outer rotor permanent magnet motor test fixture according to claim 1, characterized in that: The adjusting mechanism (5) comprises an adjusting block (501), the adjusting block (501) is slidably connected to the base plate (1), a second screw rod (502) is rotatably connected to the base plate (1), the second screw rod (502) is threadedly connected to the adjusting block (501), and a mounting mechanism (3) is mounted on the adjusting block (501).

3. The outer rotor permanent magnet motor test fixture according to claim 2, characterized in that: One end of the second screw rod (502) is provided with a groove, and the cross section of the groove is a regular hexagon.

4. The outer rotor permanent magnet motor test fixture according to claim 2, characterized in that: The other end of the adjustment block (501) is provided with a through hole, and a guide rod (503) is slidably connected inside.

5. The outer rotor permanent magnet motor test fixture according to claim 2, characterized in that: The mounting mechanism (3) comprises a bracket (301), the bracket (301) is fixed on the adjusting block (501), the bracket (301) is slidably connected to the base plate (1), a first sliding groove (303) is opened on one side of the bracket (301), a slider (304) is slidably connected inside the first sliding groove (303), a first screw rod (305) is rotatably connected inside the bracket (301), and the first screw rod (305) and the slider (304) are threadedly connected.

6. The outer rotor permanent magnet motor test fixture according to claim 5, characterized in that: One end of the first screw rod (305) is fixedly connected to a rotating wheel (306), and an edge of the rotating wheel (306) is provided with a groove.

7. The outer rotor permanent magnet motor test fixture according to claim 5, characterized in that: A measuring mechanism (4) is provided on the bottom plate (1), the measuring mechanism (4) comprising a first scale (401), the first scale (401) is fixedly mounted on the bracket (301), a second sliding groove (402) is provided on the bracket (301), a block (403) is slidably connected in the second sliding groove (402), and the block (403) is fixedly connected to the slider (304).

8. The outer rotor permanent magnet motor test fixture according to claim 7, characterized in that: A second scale (404) is fixedly mounted on the bottom plate (1), and the second scale (404) and the bracket (301) are parallel to each other.

9. The outer rotor permanent magnet motor test fixture according to claim 1, characterized in that: The fixing seat (205) is fixedly connected to the slider (304), and the cross section of the transmission shaft (207) is a regular hexagon in the middle and circular on both sides.

10. The outer rotor permanent magnet motor test fixture according to claim 1, characterized in that: The transmission shaft (207) is rotatably connected to the sleeve (302), and the sleeve (302) is fixedly connected to the bracket (301).

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