Seat gearbox detection device

Abstract

The utility model discloses a seat gear box detection device, which belongs to the technical field of gear box detection and comprises a detection table and a transmission smoothness detection mechanism arranged at the top of the detection table, the transmission smoothness detection mechanism comprises a control component and a test component, and the control component and the test component are respectively positioned on the front side and the rear side of the detection table; the control assembly comprises a first limiting translation assembly, a first screw rod, a first bracket and a rigid coupling, the test assembly comprises a second limiting translation assembly, a second screw rod, a second bracket and a rigid coupling, and the first limiting translation assembly is further provided with a driving assembly enabling the first input shaft and the second input shaft to rotate synchronously; through the above mode, according to the utility model, the transmission smoothness and consistency of the gear box are judged by comparing the curve of the standard gear box and the curve of the gear box to be detected, so that the operation difficulty is effectively reduced, the detection operation of the gear box is facilitated, and the accuracy of the detection result is improved through a contrast test.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box detection, in particular to a seat gear box detection device. Background Art

[0002] With the rapid development of automobile technology, car seats have become more intelligent.

[0003] Chinese patent CN202122854977.8 discloses a gearbox for car seat slides. The gearbox drives the housing to move along the guide screw by rotating the worm through a motor, so the performance of the gearbox will directly affect the passenger's riding experience. Automobiles also have higher requirements for gearboxes for car seat slides. However, the existing detection methods for gearboxes are single and the operation is relatively complicated, making it difficult to accurately detect the smoothness of the gearbox transmission.

[0004] Based on this, the utility model designs a seat gear box detection device to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a seat gear box detection device.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A seat gearbox testing device includes a testing platform and a transmission smoothness testing mechanism arranged on top of the testing platform;

[0008] The transmission smoothness detection mechanism includes a control component used as a detection standard value and a test component used to test the gearbox, and the control component and the test component are respectively located at the front and rear sides of the detection platform;

[0009] The control assembly includes a first position-limiting translation assembly, a first screw rod, a first bracket, and a rigid coupling. The first position-limiting translation assembly is mounted on the right end of the test platform, and a standard gear box is detachably mounted on the upper end of the first position-limiting translation assembly. The first bracket is fixedly mounted on the left end of the test platform, the first bracket is fixedly connected to the left end of the first screw rod, and the internal thread of the worm wheel of the standard gear box is threadedly connected to the right end of the first screw rod, so that the standard gear box can move along the first screw rod.

[0010] The test assembly includes a second limit translation assembly, a second screw rod, a second bracket and a rigid coupling. The second limit translation assembly is installed at the right end of the test bench, and the gear box to be tested is detachably installed on the upper end of the second limit translation assembly; the second bracket is fixedly installed at the left end of the test bench, and an auxiliary mounting assembly is provided on the second bracket for connecting the second screw rod and the internal thread of the worm gear of the gear box to be tested. The auxiliary mounting assembly is connected to the left end of the second screw rod, and the second screw rod can be controlled to translate along the axial direction of the second screw rod and rotate around the axial direction of the second screw rod through the auxiliary mounting assembly; the internal thread of the worm gear of the gear box to be tested is threadedly connected to the right end of the second screw rod, so that the gear box to be tested can move along the second screw rod;

[0011] The first position-limiting translation assembly is further provided with a drive assembly; the output end of the drive assembly is connected to the first input shaft via a rigid coupling, and the output end of the drive assembly is connected to the second input shaft via a flexible coupling, so that the first input shaft and the second input shaft rotate synchronously;

[0012] Displacement sensors for monitoring the displacement of the standard gear box and the gear box to be measured are fixedly mounted on the first position-limiting translation assembly and the second position-limiting translation assembly respectively.

[0013] Furthermore, the first limit translation assembly includes a first guide rail assembly, a first movable plate and a first positioning pin. The guide rail of the first guide rail assembly is fixedly connected to the detection table, and the slider of the first guide rail assembly is fixedly connected to the first movable plate. A first positioning pin is fixedly installed on the first movable plate and is plugged into the connecting hole of the upper connecting ear of the standard gear box. The standard gear box can be quickly disassembled and assembled on the first movable plate through the first positioning pin.

[0014] Furthermore, the second limit translation assembly includes a second guide rail assembly, a second movable plate and a second positioning pin. The guide rail of the second guide rail assembly is fixedly connected to the detection table, and the slider of the second guide rail assembly is fixedly connected to the second movable plate. A second positioning pin is fixedly installed on the second movable plate and is plugged into the connecting hole of the upper connecting ear of the gear box to be tested. The gear box to be tested can be quickly disassembled and assembled on the second movable plate through the second positioning pin.

[0015] Furthermore, the drive assembly includes a T-type reducer and a servo motor. The T-type reducer is fixedly mounted on the first movable plate, and the servo motor is fixedly mounted on the top of the T-type reducer housing. The output end of the servo motor is fixedly connected to the input end of the T-type reducer. The T-type reducer is a single-input and dual-output reducer. The two output shafts of the T-type reducer are respectively connected to the first input shaft through a rigid coupling and to the second input shaft through a flexible coupling.

[0016] Furthermore, the rigid coupling adopts a sleeve coupling.

[0017] Furthermore, the flexible coupling is a universal coupling.

[0018] Furthermore, the auxiliary mounting assembly includes a connecting rod, a crank handle, a first positioning ring, a second positioning ring, a positioning hole, a socket and a pin, the right end of the connecting rod is fixedly connected to the left end of the second screw rod, the left end of the connecting rod is slidingly connected to the second bracket, and the left end of the connecting rod is fixedly connected to the crank handle after passing through the second bracket.

[0019] Furthermore, a first positioning ring and a second positioning ring for positioning the extension length of the second screw rod are fixedly installed on both sides of the connecting rod located on the second bracket; positioning holes are provided on both sides of the connecting rod located on the second bracket, and a socket matching the positioning hole is provided on the top of the second bracket, and the pin is connected to the positioning hole and the socket.

[0020] Compared with the prior art, the present invention has the following beneficial effects: after the gearbox to be tested is installed on the second limit translation assembly, the second screw is controlled to rotate and move toward the gearbox to be tested by the auxiliary installation assembly, so that the second screw is connected to the internal thread of the worm wheel of the gearbox to be tested, so that the gearbox to be tested can move along the second screw; then the output end of the drive assembly is connected to the second input shaft of the gearbox to be tested through a coupling; the drive assembly is started to drive the first input shaft and the second input shaft to rotate synchronously at a constant speed, so that the standard gearbox moves left along the first screw under the limiting action of the first limit translation assembly, and the gearbox to be tested moves left along the second screw under the limiting action of the second limit translation assembly; the displacement sensor monitors the displacement and movement trajectory of the standard gearbox and the gearbox to be tested in real time, and returns the reading to the central control to draw a time-displacement curve. By comparing the curves of the standard gearbox and the gearbox to be tested, the smoothness and consistency of the gearbox transmission are judged. This not only effectively reduces the difficulty of operation and facilitates the inspection of the gearbox, but also improves the accuracy of the inspection results through comparative experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0022] Figure 1 A three-dimensional seat gear box detection device of the utility model Figure 1 ;

[0023] Figure 2 A three-dimensional seat gear box detection device of the utility model Figure 2 ;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 This is a right view of a seat gearbox detection device of the present invention.

[0026] The numbers in the figure represent:

[0027] 1. Test bench; 2. Drive assembly; 21. T-type reducer; 22. Servo motor; 23. First output shaft; 24. Second output shaft; 3. Control assembly; 31. First guide rail assembly; 32. First movable plate; 33. First locating pin; 34. First screw rod; 35. First bracket; 36. Rigid coupling; 4. Test assembly; 41. Second guide rail assembly; 42. Second movable plate; 43. Second locating pin; 44. Second screw rod; 45. Second bracket; 46. Flexible coupling; 5. Auxiliary mounting assembly; 51. Connecting rod; 52. Crank handle; 53. First locating ring; 54. Second locating ring; 55. Locating hole; 56. Socket; 57. Pin; 6. Standard gearbox; 61. First input shaft; 7. Gearbox to be tested; 71. Second input shaft; 8. Displacement sensor. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0029] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figure 1-Figure 4 , a seat gearbox testing device, comprising a testing platform 1 and a transmission smoothness testing mechanism arranged on the top of the testing platform 1;

[0030] The standard gearbox 6 and the gearbox to be tested 7 can adopt a gearbox for an automobile seat slide rail disclosed in Chinese Patent CN216101673U. The worm of the standard gearbox 6 is fixedly connected to the first input shaft 61, and the worm of the gearbox to be tested 7 is fixedly connected to the second input shaft 71. The upper connecting ears of the standard gearbox 6 and the gearbox to be tested 7 are both provided with connecting holes.

[0031] The transmission smoothness detection mechanism includes a control component 3 used as a detection standard value and a test component 4 used to test the gearbox, and the control component 3 and the test component 4 are respectively located at the front and rear sides of the detection platform 1;

[0032] The control assembly 3 includes a first position-limiting translation assembly, a first screw rod 34, a first bracket 35, and a rigid coupling 36. The first position-limiting translation assembly is mounted on the right end of the test platform 1. A standard gear box 6 is detachably mounted on the upper end of the first position-limiting translation assembly. The first bracket 35 is fixedly mounted on the left end of the test platform 1. The first bracket 35 is fixedly connected to the left end of the first screw rod 34. The internal thread of the worm gear of the standard gear box 6 is threadedly connected to the right end of the first screw rod 34, allowing the standard gear box 6 to move along the first screw rod 34.

[0033] The test assembly 4 includes a second limit translation assembly, a second screw rod 44, a second bracket 45 and a rigid coupling 36. The second limit translation assembly is installed at the right end of the test platform 1, and the gear box 7 to be tested is detachably installed on the upper end of the second limit translation assembly; the second bracket 45 is fixedly installed at the left end of the test platform 1, and the second bracket 45 is provided with an auxiliary mounting assembly 5 for connecting the second screw rod 44 and the internal thread of the worm wheel of the gear box 7 to be tested. The auxiliary mounting assembly 5 is connected to the left end of the second screw rod 44, and the second screw rod 44 can be controlled to translate along the axial direction of the second screw rod 44 and rotate around the axial direction of the second screw rod 44 through the auxiliary mounting assembly 5; the internal thread of the worm wheel of the gear box 7 to be tested is threadedly connected to the right end of the second screw rod 44, so that the gear box 7 to be tested can move along the second screw rod 44;

[0034] The first position-limiting translation assembly is further provided with a drive assembly 2; the output end of the drive assembly 2 is connected to the first input shaft 61 via a rigid coupling 36, and the output end of the drive assembly 2 is connected to the second input shaft 71 via a flexible coupling 46, so that the first input shaft 61 and the second input shaft 71 rotate synchronously;

[0035] Displacement sensors 8 for monitoring the displacement of the standard gearbox 6 and the gearbox to be tested 7 are fixedly mounted on the first position-limiting translation assembly and the second position-limiting translation assembly respectively.

[0036] In the present invention, after the gearbox to be tested 7 is installed on the second limit translation assembly, the second screw rod 44 is controlled to rotate by the auxiliary mounting assembly 5 and the second screw rod 44 is moved toward the gearbox to be tested 7, so that the second screw rod 44 is connected to the internal thread of the turbine of the gearbox to be tested 7, so that the gearbox to be tested 7 can move along the second screw rod 44; then the output end of the driving assembly 2 is connected to the second input shaft 71 of the gearbox to be tested 7 through a coupling; the driving assembly 2 is started to drive the first input shaft 61 and the second input shaft 71 to rotate synchronously at a constant speed, so that the standard gearbox 6 Under the limiting action of the first limit translation assembly, the gear box 7 to be tested moves left along the first screw rod 34, and under the limiting action of the second limit translation assembly, the gear box 7 to be tested moves left along the second screw rod 44. The displacement sensor 8 monitors the displacement and movement trajectory of the standard gear box 6 and the gear box to be tested 7 in real time, and returns the readings to the central control to draw a time-displacement curve. By comparing the curves of the standard gear box 6 and the gear box to be tested 7, the smoothness and consistency of the gear box transmission can be judged. This not only effectively reduces the difficulty of operation, facilitates the detection operation of the gear box, but also improves the accuracy of the detection results through control experiments.

[0037] The first position-limiting translation assembly includes a first guide rail assembly 31, a first movable plate 32, and a first positioning pin 33. The guide rail of the first guide rail assembly 31 is fixedly connected to the test platform 1, and the slider of the first guide rail assembly 31 is fixedly connected to the first movable plate 32. The first positioning pin 33 is fixedly installed on the first movable plate 32 and is plugged into the connecting hole of the upper connecting ear of the standard gear box 6. The first positioning pin 33 can be used to quickly disassemble and install the standard gear box 6 on the first movable plate 32.

[0038] The second position-limiting translation assembly includes a second guide rail assembly 41, a second movable plate 42, and a second positioning pin 43. The guide rail of the second guide rail assembly 41 is fixedly connected to the test platform 1, and the slider of the second guide rail assembly 41 is fixedly connected to the second movable plate 42. A second positioning pin 43 is fixedly installed on the second movable plate 42 to be plugged into the connecting hole of the upper connecting ear of the gear box 7 to be tested. The gear box 7 to be tested can be quickly disassembled and assembled on the second movable plate 42 through the second positioning pin 43.

[0039] The drive assembly 2 includes a T-type reducer 21 and a servo motor 22. The T-type reducer 21 is fixedly mounted on the first movable plate 32. The servo motor 22 is fixedly mounted on the top of the housing of the T-type reducer 21. The output end of the servo motor 22 is fixedly connected to the input end of the T-type reducer 21. The T-type reducer 21 is a single-input and dual-output reducer. The two output shafts of the T-type reducer 21 are respectively connected to the first input shaft 61 through a rigid coupling 36 and to the second input shaft 71 through a flexible coupling 46.

[0040] The rigid coupling 36 adopts a sleeve coupling; the flexible coupling 46 adopts a universal coupling; when the displacement of the first movable plate 32 and the second movable plate 42 are inconsistent, causing the output shaft of the T-type reducer 21 and the second input shaft 71 to be misaligned, the transmission effect of the output shaft of the T-type reducer 21 and the second input shaft 71 is always maintained.

[0041] The auxiliary mounting assembly 5 includes a connecting rod 51, a crank handle 52, a first positioning ring 53, a second positioning ring 54, a positioning hole 55, a plug hole 56 and a latch 57. The right end of the connecting rod 51 is fixedly connected to the left end of the second screw rod 44, and the left end of the connecting rod 51 is slidably connected to the second bracket 45. The left end of the connecting rod 51 passes through the second bracket 45 and is fixedly connected to the crank handle 52, so that the second screw rod 44 can be controlled to rotate by the crank handle 52, and the second screw rod 44 can be controlled to slide along the axial direction of the second screw rod 44 by pulling the connecting rod 51.

[0042] The connecting rod 51 is located on both sides of the second bracket 45, and is fixedly installed with a first positioning ring 53 and a second positioning ring 54 for positioning the extended length of the second screw rod 44; when the second positioning ring 54 is against the second bracket 45, the length of the second screw rod 44 exposed on the right side of the flexible coupling 46 is shorter. At this time, after the connecting hole of the upper connecting ear of the gear box 7 to be tested is connected with the second positioning pin 43, the left end of the gear box 7 to be tested is against the right end of the second screw rod 44, and then the second screw rod 44 is controlled to rotate and translate to the right by the crank handle 52, so that the second screw rod 44 is threadedly connected to the internal thread of the turbine of the gear box 7 to be tested until the first positioning ring 53 is against the flexible coupling 46, thereby completing the installation operation of the gear box 7 to be tested, and the positions of the standard gear box 6 and the gear box 7 to be tested are aligned, and the consistency of the standard gear box 6 and the gear box 7 to be tested is observed when moving.

[0043] The connecting rod 51 is provided with positioning holes 55 on both sides of the second bracket 45, and the top of the second bracket 45 is provided with a socket 56 that cooperates with the positioning hole 55, and the pin 57 is plugged into the positioning hole 55 and the socket 56; when the first positioning ring 53 or the second positioning ring 54 is against the second bracket 45, the positioning hole 55 and the socket 56 are aligned and connected; after the positioning hole 55 and the socket 56 are aligned, the pin 57 is inserted to fix the connecting rod 51, thereby fixing the second screw rod 44, so that the gear box 7 to be tested can move smoothly along the second screw rod 44.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A seat gearbox detection device, comprising a detection platform (1) and a transmission smoothness detection mechanism arranged on the top of the detection platform (1), characterized in that: The transmission smoothness detection mechanism comprises a control component (3) used as a detection standard value and a test component (4) used for testing the gearbox, wherein the control component (3) and the test component (4) are respectively located at the front and rear sides of the detection platform (1); The control assembly (3) comprises a first position-limiting translation assembly, a first screw rod (34), a first bracket (35) and a rigid coupling (36); the first position-limiting translation assembly is mounted on the right end of the test platform (1); a standard gear box (6) is detachably mounted on the upper end of the first position-limiting translation assembly; the first bracket (35) is fixedly mounted on the left end of the test platform (1); the first bracket (35) is fixedly connected to the left end of the first screw rod (34); the internal thread of the worm wheel of the standard gear box (6) is threadedly connected to the right end of the first screw rod (34), so that the standard gear box (6) can move along the first screw rod (34); The test assembly (4) comprises a second position-limiting translation assembly, a second screw rod (44), a second bracket (45) and a rigid coupling (36). The second position-limiting translation assembly is mounted on the right end of the test platform (1). The gear box (7) to be tested is detachably mounted on the upper end of the second position-limiting translation assembly. The second bracket (45) is fixedly mounted on the left end of the test platform (1). An auxiliary mounting assembly (5) for connecting the second screw rod (44) and the internal thread of the worm wheel of the gear box to be tested (7) is provided on the second bracket (45). The auxiliary mounting assembly (5) is connected to the left end of the second screw rod (44). The second screw rod (44) can be controlled to translate along the axial direction of the second screw rod (44) and to rotate around the axial direction of the second screw rod (44) through the auxiliary mounting assembly (5). The internal thread of the worm wheel of the gear box to be tested (7) is threadedly connected to the right end of the second screw rod (44), so that the gear box to be tested (7) can move along the second screw rod (44). The first position-limiting translation assembly is further provided with a driving assembly (2); the output end of the driving assembly (2) is connected to the first input shaft (61) via a rigid coupling (36), and the output end of the driving assembly (2) is connected to the second input shaft (71) via a flexible coupling (46), so that the first input shaft (61) and the second input shaft (71) rotate synchronously; Displacement sensors (8) for monitoring the displacement of the standard gear box (6) and the gear box to be tested (7) are fixedly mounted on the first position-limiting translation assembly and the second position-limiting translation assembly, respectively.

2. The seat gearbox detection device according to claim 1, characterized in that: The first position-limiting translation assembly comprises a first guide rail assembly (31), a first movable plate (32) and a first positioning pin (33); the guide rail of the first guide rail assembly (31) is fixedly connected to the detection platform (1), and the slider of the first guide rail assembly (31) is fixedly connected to the first movable plate (32); a first positioning pin (33) is fixedly mounted on the first movable plate (32) and is plugged into a connecting hole of an upper connecting ear of a standard gear box (6); the standard gear box (6) can be quickly disassembled and assembled on the first movable plate (32) through the first positioning pin (33).

3. The seat gearbox detection device according to claim 2, characterized in that: The second position-limiting translation assembly comprises a second guide rail assembly (41), a second movable plate (42) and a second positioning pin (43); the guide rail of the second guide rail assembly (41) is fixedly connected to the detection platform (1), and the slider of the second guide rail assembly (41) is fixedly connected to the second movable plate (42); a second positioning pin (43) is fixedly mounted on the second movable plate (42) and is plugged into a connecting hole of an upper connecting ear of a gear box (7) to be tested; the gear box (7) to be tested can be quickly disassembled and assembled on the second movable plate (42) through the second positioning pin (43).

4. The seat gearbox detection device according to claim 3, characterized in that: The driving assembly (2) comprises a T-type reducer (21) and a servo motor (22); the T-type reducer (21) is fixedly mounted on a first movable plate (32); the servo motor (22) is fixedly mounted on the top of a housing of the T-type reducer (21); the output end of the servo motor (22) is fixedly connected to the input end of the T-type reducer (21); the T-type reducer (21) is a single-input dual-output reducer; the two output shafts of the T-type reducer (21) are respectively connected to the first input shaft (61) through a rigid coupling (36) and to the second input shaft (71) through a flexible coupling (46).

5. The seat gearbox detection device according to claim 4, characterized in that: The rigid coupling (36) is a sleeve coupling.

6. The seat gearbox detection device according to claim 5, characterized in that: The flexible coupling (46) is a universal coupling.

7. The seat gearbox detection device according to claim 6, characterized in that: The auxiliary mounting assembly (5) comprises a connecting rod (51), a crank handle (52), a first positioning ring (53), a second positioning ring (54), a positioning hole (55), a socket (56) and a latch (57); the right end of the connecting rod (51) is fixedly connected to the left end of the second screw rod (44); the left end of the connecting rod (51) is slidably connected to the second bracket (45); and the left end of the connecting rod (51) passes through the second bracket (45) and is fixedly connected to the crank handle (52).

8. The seat gearbox detection device according to claim 7, characterized in that: A first positioning ring (53) and a second positioning ring (54) for positioning the extension length of the second screw rod (44) are fixedly installed on both sides of the connecting rod (51) located on the second bracket (45); positioning holes (55) are provided on both sides of the connecting rod (51) located on the second bracket (45); a socket (56) matching the positioning hole (55) is provided on the top of the second bracket (45); a latch (57) is plugged into the positioning hole (55) and the socket (56).

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