Traction converter test bench

Abstract

The utility model relates to converter test equipment, in particular to a traction converter test bed, which comprises a bottom frame, two side frames are symmetrically and fixedly connected onto the bottom frame, shaft sleeves are rotatably connected onto the two side frames, rotating frames are fixedly connected onto the inner sides of the two shaft sleeves, and three test beds are rotatably connected between the two rotating frames. Studs I are in threaded connection with the outer sides of the two rotating frames, four through holes are formed in the two side frames around the axis of the shaft sleeve, and the studs I are inserted into the corresponding through holes. The angle of each test bench relative to the rotating stand can be fixed. The two ends of the test bench located in the middle are fixedly connected with short shafts, and the two short shafts are rotationally connected between the two rotating frames. Shaft rods are fixedly connected to the two ends of the test tables located on the two sides, and the test tables located on the two sides are rotationally connected between the two rotating frames through the shaft rods. The beneficial effects are that three traction converters can be detected at the same time, and the overall layout saves more space.

Description

Technical Field

[0001] The utility model relates to converter test equipment, more specifically to a traction converter test bench. Background Art

[0002] In the past, converter test benches were dedicated, each suitable for testing a single product. This meant that each product required a dedicated test bench. As converter models continued to increase, the test station control system became increasingly complex, resulting in significant congestion and increased equipment investment and maintenance costs. Clearly, dedicated test benches were no longer sufficient to meet the company's diverse product development needs.

[0003] The existing test station has the ability to test three types of traction converters. Three test benches are placed in the test operation area. Each test bench is only suitable for testing one product. The test bench has a single function, the process layout occupies a large area, and the equipment layout is tight. Therefore, a traction converter test bench that can solve the above problems is designed. Utility Model Content

[0004] The utility model provides a traction converter test bench, which has the beneficial effects of being able to simultaneously test three types of traction converters while saving space in the overall layout.

[0005] The traction converter test bench includes a base frame, two side frames are symmetrically fixed to the base frame, and shaft sleeves are rotatably connected to the two side frames. The inner sides of the two shaft sleeves are fixed with rotating frames. Three test benches are rotatably connected between the two rotating frames. The outer sides of the two rotating frames are threaded with studs I. Four through holes are opened on the two side frames around the axis of the shaft sleeves, and the studs I are inserted into the corresponding through holes; the angle of each test bench relative to the rotating frame can be fixed.

[0006] Both ends of the test bench located in the middle are fixed with short shafts, and the two short shafts are rotatably connected between the two rotating frames.

[0007] Both ends of the test benches on both sides are fixed with shafts, and the test benches on both sides are rotatably connected between the two rotating frames through the shafts.

[0008] The bottom surface of each test bench is fixedly connected with a counterweight block.

[0009] The upper ends of both sides of the test bench located in the middle are fixed with ear plates, and the two ear plates are threaded with studs II. Four through holes are opened on the two rotating frames at the axial positions around the two short shafts, and the studs II are inserted into the corresponding through holes.

[0010] The outer ends of the shafts on the test benches on both sides are fixed with side plates, and the side plates are threaded with studs III. Four circular holes are opened around the axis of the shaft on the two rotating frames, and the studs III are inserted into the corresponding circular holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0012] Figure 1 This is a schematic diagram of the structure of the traction converter test bench;

[0013] Figure 2 It is a schematic diagram of the structure of the test bench located in the middle;

[0014] Figure 3 Schematic diagram of the structure of the side frame;

[0015] Figure 4 Schematic diagram of the structure of the rotating frame;

[0016] Figure 5 It is the structural diagram of the test bench located in the middle;

[0017] Figure 6 It is a schematic diagram of the structure of the test bench located on both sides;

[0018] Figure 7 It is a structural diagram of the limiting rubber pad.

[0019] In the figure: base frame 101; side frame 102; socket 103; universal wheel 104; rotating frame 201; bushing 202; stud I 203; round hole 204; through hole 205; test bench 301; short shaft 302; ear plate 303; stud II 304; stop edge 305; line hole 306; limit rubber pad 307; counterweight block 308; shaft rod 401; side plate 402; stud III 403. DETAILED DESCRIPTION

[0020] See Figures 1 to 6 , showing a schematic diagram of an embodiment of the present invention capable of simultaneously detecting three types of traction converters while having a more space-saving overall layout;

[0021] The traction converter test bench includes a base frame 101, two side frames 102 symmetrically fixed to the base frame 101, each of which is rotatably connected to a shaft sleeve 202. The inner sides of the two shaft sleeves 202 are fixedly connected to a rotating frame 201. Three test benches 301 are rotatably connected between the two rotating frames 201. The outer sides of the two rotating frames 201 are threadedly connected to studs I 203. Four through holes 205 are opened on the two side frames 102 around the axis of the shaft sleeves 202. The studs I 203 are inserted into the corresponding through holes 205. The angle of each test bench 301 relative to the rotating frame 201 can be fixed.

[0022] Three test benches 301 are provided, each of which can be used to place testing instruments, and can test three types of traction converters simultaneously. This overcomes the defects of a traditional test bench that is only suitable for testing one product, has a single function, and has a tight equipment layout.

[0023] The two shaft sleeves 202 can rotate on the two side frames 102 respectively, thereby changing the angles of the two rotating frames 201. When the two rotating frames 201 are placed horizontally, the three test benches 301 are switched to a horizontally arranged side by side configuration and distributed between the two rotating frames 201 as the two rotating frames 201 rotate. The three testing instruments are arranged horizontally side by side for more intuitive operation and observation of test results. When the two rotating frames 201 are placed vertically, the three test benches 301 are arranged vertically. While being able to simultaneously test three types of traction converters, the overall layout is more space-saving, overcoming the defect of a large process layout footprint.

[0024] When the stud I 203 is manually pulled out from the corresponding socket 103, the sleeve 202 can be rotated on the side frame 102, thereby changing the distribution of the rotating frame 201 and the three test benches 301. After the adjustment, the stud I 203 is screwed into the corresponding socket 103 to lock the placement of the three test benches 301.

[0025] Secondly, since the three test benches 301 can rotate between the two rotating frames 201, when the two rotating frames 201 switch between vertical and horizontal, the three test benches 301 always remain in a horizontal state. After the switching is completed, the angle of each test bench 301 is fixed and the experimental operation can be carried out.

[0026] See Figure 5 and 6 , showing a schematic diagram of an embodiment in which the test bench 301 is kept in a horizontal state according to the present utility model;

[0027] The two ends of the test bench 301 located in the middle are fixed with short shafts 302, and the two short shafts 302 are rotatably connected between the two rotating frames 201;

[0028] Both ends of the test benches 301 on both sides are fixed with shafts 401 , and the test benches 301 on both sides are rotatably connected between the two rotating frames 201 through the shafts 401 ;

[0029] The test bench 301 in the middle rotates between the two rotating frames 201 via two short shafts 302 , and the two test benches 301 on both sides rotate between the two rotating frames 201 via the shafts 401 thereon.

[0030] A counterweight block 308 is fixed to the bottom surface of each test bench 301;

[0031] When the two rotating racks 201 drive the multiple test benches 301 to switch positions, each test bench 301 can maintain a horizontal state when rotating under the gravity of the counterweight block 308, thereby preventing the detection instruments on the test bench 301 from tilting.

[0032] See Figure 4 and 5 , showing a schematic diagram of an embodiment of adjusting the angle of the middle test bench 301 according to the present utility model;

[0033] The upper ends of both sides of the test bench 301 located in the middle are fixed with ear plates 303, and the two ear plates 303 are threaded with studs II 304. Four through holes 205 are opened on the two rotating frames 201 around the axis of the two short shafts 302, and the studs II 304 are inserted into the corresponding through holes 205;

[0034] Manually screwing the stud II 304 and inserting it into the corresponding through hole 205 can fix the angle of the middle test bench 301. When it is necessary to rotate the rotating rack 201 to switch the distribution of multiple test benches 301, screwing the stud II 304 out of the through hole 205 can make the rotating rack 201 rotate while the middle test bench 301 remains horizontal and can rotate freely.

[0035] See Figure 4 and 6 , showing a schematic diagram of an embodiment of adjusting the angles of the test benches 301 on both sides according to the present utility model;

[0036] The outer ends of the shafts 401 on the test benches 301 on both sides are fixedly connected to side plates 402, and the side plates 402 are threadedly connected to studs III 403. Four circular holes 204 are formed around the axis of the shafts 401 on the two rotating frames 201, and the studs III 403 are inserted into the corresponding circular holes 204;

[0037] Manually screwing the stud III 403 and inserting it into the corresponding circular hole 204 can fix the angles of the test benches 301 on both sides. When it is necessary to rotate the rotating rack 201 to switch the distribution of multiple test benches 301, screwing the stud III 403 out of the circular hole 204 can make the test benches 301 on both sides remain in a horizontal and freely rotatable state when the rotating rack 201 is rotated.

[0038] See Figure 6 , showing a schematic diagram of an embodiment of limiting the detection instrument according to the utility model;

[0039] Each of the test benches 301 has a retaining edge 305 integrally formed on both the front and rear sides;

[0040] The detection instrument placed on the test bench 301 can be limited.

[0041] See Figures 5 to 7 , showing a schematic diagram of an embodiment of avoiding cable entanglement according to the present utility model;

[0042] A plurality of wire holes 306 are provided on the front retaining edge 305 of each test bench 301;

[0043] Multiple plug-in wires on the detection instrument can be passed through multiple wire holes 306 in sequence and arranged in a regular manner to avoid cable entanglement and facilitate accurate connection with the plug-in wires on the traction inverter.

[0044] See Figure 7 , showing a schematic diagram of an embodiment of limiting the position of the plugged wire according to the utility model;

[0045] Two limiting rubber pads 307 are symmetrically fixed to the upper end of each wire hole 306 on the retaining edge 305;

[0046] The plug wire is manually pressed downward with force so that the plug wire squeezes the two limiting rubber pads 307 and separates. The plug wire is then clamped into the wire hole 306. The two limiting rubber pads 307 limit the plug wire in the wire hole 306 to prevent the plug wire from falling out of the wire hole 306.

[0047] See Figure 3 , showing a schematic diagram of an embodiment of the present invention that facilitates the movement of the device;

[0048] The inner wall of the test bench 301 is bonded with a non-slip rubber pad, so that the testing instrument can be placed firmly on the test bench 301; the bottom surface of the base frame 101 is symmetrically rotated to connect two universal wheels 104, which makes it easy to move the device to the vicinity of the traction inverter to be tested, eliminating the process of carrying the traction inverter back and forth.

Claims

1. Traction converter test bench, characterized by: The invention comprises a base frame (101), two side frames (102) are symmetrically fixed on the base frame (101), the two side frames (102) are rotatably connected to a shaft sleeve (202), the inner sides of the two shaft sleeves (202) are fixed to a rotating frame (201), three test benches (301) are rotatably connected between the two rotating frames (201), the outer sides of the two rotating frames (201) are threadedly connected to a stud I (203), four through holes (205) are opened on the two side frames (102) around the axis of the shaft sleeve (202), and the stud I (203) is inserted into the corresponding through holes (205); and the angle of each test bench (301) relative to the rotating frame (201) can be fixed.

2. The test bench according to claim 1, characterized in that Both ends of the test bench (301) located in the middle are fixed with short shafts (302), and the two short shafts (302) are rotatably connected between the two rotating frames (201).

3. The test bench according to claim 2, characterized in that Both ends of the test benches (301) located on both sides are fixed with shafts (401), and the test benches (301) located on both sides are rotatably connected between the two rotating frames (201) through the shafts (401).

4. The test bench according to claim 3, characterized in that A counterweight block (308) is fixedly connected to the bottom surface of each test bench (301).

5. The test bench according to claim 4, characterized in that The upper ends of both sides of the test bench (301) located in the middle are fixed with ear plates (303), and the two ear plates (303) are threadedly connected with studs II (304). Four through holes (205) are opened on the two rotating frames (201) at the axial positions surrounding the two short shafts (302), and the studs II (304) are inserted into the corresponding through holes (205).

6. The test bench according to claim 5, characterized in that The outer ends of the shafts (401) on the test benches (301) on both sides are fixedly connected to side plates (402), and the side plates (402) are threadedly connected to studs III (403). Four circular holes (204) are provided around the axis of the shafts (401) on the two rotating frames (201), and the studs III (403) are inserted into the corresponding circular holes (204).

7. The test bench according to claim 1, characterized in that Each of the test benches (301) has a retaining edge (305) integrally formed on both the front and rear sides.

8. The test bench according to claim 7, characterized in that A plurality of wire holes (306) are provided on the retaining edge (305) located at the front side of each test bench (301).

9. The test bench according to claim 8, characterized in that Two limiting rubber pads (307) are symmetrically fixed to the upper end of each wire hole (306) on the retaining edge (305).

10. The test bench according to claim 1, characterized in that The inner wall of the test bench (301) is bonded with a non-slip rubber pad; the bottom surface of the base frame (101) is symmetrically rotatably connected to two universal wheels (104).

Images