A test device and test method for driving gearbox of EMU

Abstract

The present invention discloses a test device for a gearbox driven by a train, and belongs to the field of gearbox test devices. A test device for a gearbox driven by a train comprises a base and a second sliding seat, a slide groove is provided on the top of the base, and an adjustment mechanism is installed on the inner side of the slide groove, a sliding frame is installed on the inner side of the slide groove, and the top of the sliding frame is connected to the first sliding seat, and a connecting rod is provided on the outer side of the first sliding seat, the end of the connecting rod is connected to the mounting rod, and a sliding sleeve is installed on the outer side of the mounting rod, and a first spring is provided on the inner side of the sliding sleeve, a gear rod is passed through the end of the mounting rod, and a clamping mechanism is provided on the other end of the mounting rod; the present invention is provided with an adjustment mechanism, and the buckles on both sides move relatively, so as to stably clamp and fix the inner sliding frame, and only the corresponding position control axis needs to be controlled, and the position adjustment can be flexibly and conveniently controlled, which is beneficial to the overall adjustment operation and convenient for subsequent installation and detection.

Description

Technical Field

[0001] The invention relates to the technical field of lamination devices, and in particular to a test device and a test method for a driving gear box of an EMU. Background Art

[0002] EMU, also known as "EMU train", is an emerging transportation term. It is a type of modern train, consisting of several powered vehicles (EMU) and non-powered vehicles (trailers). The train runs in a fixed formation mode during its normal service life. The EMU drive gearbox is one of its important components and requires professional testing and inspection before it is put into use.

[0003] After searching, the Chinese patent authorization number CN201420338475.7 discloses a three-jaw chuck automatic centering tool for a high-speed train drive gearbox, including a left wall panel and a right wall panel arranged relatively, a fixed three-jaw chuck is fixed on the left wall panel, and a movable three-jaw chuck that can move left and right is provided on the right wall panel, and the positions of the fixed three-jaw chuck and the movable three-jaw chuck correspond to the positions of the two flanges of the high-speed train drive gearbox. The three-jaw chuck automatic centering tool for the high-speed train drive gearbox in the above patent has the following shortcomings: most of them cannot be conveniently and flexibly adjusted in position, the clamping operation is relatively cumbersome, and it is not convenient to adapt to the use of test products of different specifications, which has a certain impact on processing. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art that most of them cannot be flexibly adjusted in position, the clamping operation is cumbersome, it is not convenient to adapt to the use of test products of different specifications, and it has a certain impact on processing, and a EMU drive gearbox test device and a test method are proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A test device for a motor vehicle driving gearbox comprises a base and a second sliding seat, wherein a sliding groove is provided on the top of the base, and an adjustment mechanism is installed on the inner side of the sliding groove, a sliding frame is installed on the inner side of the sliding groove, and the top of the sliding frame is connected to the first sliding seat, and a connecting rod is provided on the outer side of the first sliding seat, the end of the connecting rod is connected to a mounting rod, and a sliding sleeve is installed on the outer side of the mounting rod, and a first spring is provided on the inner side of the sliding sleeve, a shift rod passes through the end of the mounting rod, and a locking mechanism is provided on the other end of the mounting rod.

[0007] Preferably, the second sliding seat is arranged at the top of the base, and a guide rod is arranged on the top of the second sliding seat, and a third spring passes through the outer side of the guide rod, the end of the guide rod is connected to the mounting frame, and an upper inclined block is arranged at the bottom of the mounting frame, and a lower inclined block is arranged below the upper inclined block, a screw is installed on the inner side of the lower inclined block, a fixing frame is installed on the side of the guide rod, and an electric rod passes through the inner side of the fixing frame, and a detection mechanism is connected to the end of the electric rod.

[0008] Preferably, the adjustment mechanism comprises a control shaft, a push block, a fixed shaft and a buckle, the outer side of the control shaft is penetrated by a push block, the inner side of the slide groove is installed with a fixed shaft, and the outer side of the fixed shaft is penetrated by a buckle.

[0009] Preferably, the buckle forms a rotating structure between the fixed shaft and the slide slot, the buckle forms a transmission structure between the push block and the control shaft, and the sliding frame forms a locking structure between the buckle and the slide slot.

[0010] Preferably, the engaging mechanism comprises a rotating shaft, a snap buckle and a second spring, the outer side of the rotating shaft is penetrated by the snap buckle, and the inner side of the snap buckle is provided with the second spring.

[0011] Preferably, the bite buckle forms a rotating structure through the rotating shaft and the mounting rod, and the bite buckle forms a transmission structure through the sliding sleeve and the mounting rod, and the sliding sleeve forms a sliding structure through the first spring and the mounting rod.

[0012] Preferably, the mounting frame forms a lifting structure through the upper inclined block and the lower inclined block, and the lower inclined block forms a sliding structure through the screw rod and the second sliding seat, and the mounting frame forms a lifting structure through the third spring and the guide rod.

[0013] Preferably, the detection mechanism forms a sliding structure between the electric rod and the fixed frame, and the electric rod and the fixed frame are arranged perpendicular to each other.

[0014] Preferably, a test method for a train driving gearbox test device comprises the following steps:

[0015] S1, installing the first sliding seat, the guide rod and the fixing frame on the inner side of the slide groove by sliding, and clamping and fixing them by controlling the adjusting mechanism;

[0016] S2. Align the two ends of the test object with the mounting rods on both sides by plugging them together, and drive the clamping mechanism to clamp and install them by pushing and pressing;

[0017] S3, after adjusting the position of the guide rod by sliding, control the screw rod to rotate and adjust the position of the lower inclined block, thereby adjusting the height of the mounting frame and aligning and connecting the rotating parts;

[0018] S4. Adjust the position of the detection mechanism by sliding, and control the rotation of the electric rod to drive the end detection mechanism to adjust the position to meet the installation and connection of the corresponding positions of the detection products of different specifications.

[0019] Compared with the prior art, the present invention provides a test device for a driving gearbox of an EMU, which has the following beneficial effects:

[0020] 1. The EMU driving gearbox test device is provided with a base. According to the needs, a suitable sliding seat can be slid and installed along a suitable sliding groove through a bottom sliding frame, and moved to a suitable position for installation and fixing, which is convenient for subsequent installation and detection operations. After adjusting to a suitable position, the outer control shaft can be rotated to drive the outer push block to rotate counterclockwise, so that the end of the push block pushes one end of the outer buckle, so that the buckle can rotate around the fixed shaft, and the buckles on both sides move relatively, so as to stably engage and fix the inner sliding frame, and conveniently and stably perform the fixed control of the sliding seat in the corresponding groove. The operation is convenient, and only the corresponding position control shaft needs to be controlled. The control is flexible and convenient, which is conducive to the overall adjustment operation and convenient for subsequent installation and detection.

[0021] 2. The EMU driving gearbox test device is provided with a locking mechanism, and the two ends of the test product are respectively aligned and installed on the inner sides of the mounting rods on both sides, and the first sliding seat is moved to adjust the position and fix it. At this time, the end mounting rod is squeezed to retract along the inner side of the sliding sleeve, so that one end of the outer bite buckle and the sliding sleeve are in contact with each other and pushed, so that the bite buckle rotates around the rotating shaft and clamps and fixes the connection of the inner test product. The inner mounting rod can be stably retracted by the setting of the first spring, and the moving distance is limited by the gear lever, which ensures the stability of the movement and prevents the mounting rod from falling off, which is beneficial to the overall use control of the equipment, and the operation is convenient and stable. The installation and fixing operation of the test product is more convenient and stable, and the movement adjustment of the bottom first sliding seat ensures that the equipment can flexibly adapt to the fixed installation of test products of different specifications;

[0022] 3. This EMU drive gearbox test device is provided with a mounting frame. When in use, the second sliding seat can be pushed to a suitable position for fixing. At the same time, the outer screw rod can be rotated as needed to drive the lower inclined block to slide forward and backward, so that the top upper inclined block is transmitted through the top inclined surface of the lower inclined block, driving the mounting frame to perform stable lifting and lowering adjustment control along the guide rod. The setting of the third spring can ensure the stability of the movement of the mounting frame, and at the same time ensure that the vibration of the equipment is reduced through the third spring during subsequent testing and use, thereby ensuring the stability and service life of the equipment. Finally, the electric rod can be controlled to rotate to drive the end detection mechanism to adjust the position, so as to better adapt to the alignment operation of test products of different specifications. The control is more flexible and accurate, easy to use, and improves the accuracy of processing and testing, which is beneficial to overall use.

[0023] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention can flexibly disassemble and assemble the mobile terminal and ensure the stability of the installation. The device can flexibly control the direction of the top sound expansion port to better adapt to different usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a test device for a driving gearbox of an EMU proposed by the present invention;

[0025] Figure 2 This is a structural schematic diagram of the connection between the adjustment mechanism and the slideway of a test device for the driving gearbox of an EMU proposed by the present invention;

[0026] Figure 3 It is a cross-sectional structural schematic diagram of the connection between the mounting rod and the engaging mechanism of the EMU driving gearbox testing device proposed by the present invention;

[0027] Figure 4 This is a structural schematic diagram of the connection between a mounting frame and a second sliding seat of a test device for a driving gearbox of an EMU proposed by the present invention;

[0028] Figure 5 This is a schematic structural diagram of the connection between a fixing frame and an electric rod of a test device for driving gearbox of a motor vehicle unit proposed by the present invention;

[0029] In the figure: 1. base; 2. slide groove; 3. adjustment mechanism; 301. control shaft; 302. push block; 303. fixed shaft; 304. buckle; 4. sliding frame; 5. first sliding seat; 6. connecting rod; 7. mounting rod; 8. sliding sleeve; 9. first spring; 10. gear lever; 11. locking mechanism; 1101. rotating shaft; 1102. snap buckle; 1103. second spring; 12. second sliding seat; 13. guide rod; 14. third spring; 15. mounting frame; 16. upper inclined block; 17. lower inclined block; 18. screw; 19. fixed frame; 20. electric rod; 21. detection mechanism. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] 1. Reference Figure 1-5 , a test device for a motor vehicle driving gearbox, comprising a base 1, a slide groove 2, an adjusting mechanism 3, a sliding frame 4, a first sliding seat 5, a connecting rod 6, a mounting rod 7, a sliding sleeve 8, a first spring 9, a shift rod 10, a clamping mechanism 11, a second sliding seat 12, a guide rod 13, a third spring 14, a mounting frame 15, an upper inclined block 16, a lower inclined block 17, a screw 18, a fixing frame 19, an electric rod 20 and a detection mechanism 21, characterized in that a slide groove 2 is provided at the top of the base 1, and the adjusting mechanism 3 is installed on the inner side of the slide groove 2, a sliding frame 4 is installed on the inner side of the slide groove 2, and the top of the sliding frame 4 is connected to the first sliding seat 5, and a connecting rod 6 is provided on the outer side of the first sliding seat 5, and the end of the connecting rod 6 is connected to the mounting rod 7, and the sliding sleeve 8 is installed on the outer side of the mounting rod 7, and the first spring 9 is provided on the inner side of the sliding sleeve 8, and the end of the mounting rod 7 is penetrated by the shift rod 10, and the other end of the mounting rod 7 is provided with a clamping mechanism 11;

[0033] Further, the second sliding seat 12 is arranged on the top of the base 1, and a guide rod 13 is arranged on the top of the second sliding seat 12, and a third spring 14 is penetrated through the outer side of the guide rod 13, the end of the guide rod 13 is connected to a mounting frame 15, and an upper inclined block 16 is arranged at the bottom of the mounting frame 15, and a lower inclined block 17 is arranged below the upper inclined block 16, a screw 18 is installed on the inner side of the lower inclined block 17, a fixing frame 19 is installed on the side of the guide rod 13, and an electric rod 20 is penetrated through the inner side of the fixing frame 19, and a detection mechanism 21 is connected to the end of the electric rod 20;

[0034] Furthermore, the adjustment mechanism 3 includes a control shaft 301, a push block 302, a fixed shaft 303 and a buckle 304. The push block 302 runs through the outer side of the control shaft 301, the fixed shaft 303 is installed on the inner side of the slide slot 2, and the buckle 304 runs through the outer side of the fixed shaft 303.

[0035] Furthermore, the buckle 304 forms a rotating structure with the fixed shaft 303 and the slide slot 2, and the buckle 304 forms a transmission structure with the push block 302 and the control shaft 301, and the sliding frame 4 forms a clamping structure with the slide slot 2 through the buckle 304, so as to stably clamp and fix the inner sliding frame 4, and conveniently and stably perform the fixed control of the sliding seat in the corresponding slot;

[0036] Furthermore, the engaging mechanism 11 includes a rotating shaft 1101, a biting buckle 1102 and a second spring 1103. The biting buckle 1102 penetrates the outer side of the rotating shaft 1101, and the second spring 1103 is arranged on the inner side of the biting buckle 1102.

[0037] Furthermore, the bite buckle 1102 forms a rotating structure with the rotating shaft 1101 and the mounting rod 7, and the bite buckle 1102 forms a transmission structure with the mounting rod 7 through the sliding sleeve 8, and the sliding sleeve 8 forms a sliding structure with the mounting rod 7 through the first spring 9, so that the installation and fixing operation of the inspection product can be performed more conveniently and stably;

[0038] Furthermore, the mounting frame 15 forms a lifting structure through the upper inclined block 16 and the lower inclined block 17, and the lower inclined block 17 forms a sliding structure with the second sliding seat 12 through the screw rod 18, and the mounting frame 15 forms a lifting structure with the third spring 14 and the guide rod 13, so that the height of the mounting frame 15 can be flexibly adjusted to facilitate alignment of test products of different specifications;

[0039] Furthermore, the detection mechanism 21 forms a sliding structure between the electric rod 20 and the fixed frame 19, and the electric rod 20 and the fixed frame 19 are arranged perpendicular to each other. The electric rod 20 can be controlled to rotate to drive the end detection mechanism 21 to adjust the position, which is convenient and better adapted to the alignment operation of detection products of different specifications.

[0040] Furthermore, a test method for a train driving gearbox test device comprises the following steps:

[0041] S1, install the first sliding seat 5, the guide rod 13 and the fixing frame 19 on the inner side of the slide groove 2 by sliding, and clamp and fix them by controlling the adjusting mechanism 3;

[0042] S2, aligning the two ends of the test object with the mounting rods 7 on both sides by plugging, and driving the clamping mechanism 11 to clamp and install by pushing and pressing;

[0043] S3, after adjusting the position of the guide rod 13 by sliding, the screw rod 18 is controlled to rotate and adjust the position of the lower inclined block 17, so as to adjust the use height of the mounting frame 5 and align and connect the rotating parts;

[0044] S4. The position of the detection mechanism 21 is adjusted by sliding, and the electric rod 20 is controlled to rotate to drive the end detection mechanism 21 to adjust the position, so as to meet the installation and connection of the corresponding positions of the detection products of different specifications.

[0045] Working principle: In the present invention, according to Figure 1-2As shown, as needed, a suitable sliding seat can be slidably installed along a suitable sliding groove 2 through the bottom sliding frame 4, and moved to a suitable position for installation and fixing, which is convenient for subsequent installation and detection operations. After adjusting to a suitable position, the outer control shaft 301 can be rotated to drive the outer pushing block 302 to rotate counterclockwise, so that the end of the pushing block 302 pushes one end of the outer buckle 304, which can make the buckle 304 rotate around the fixed shaft 303, and the buckles 304 on both sides move relatively, so as to stably perform the clamping and fixing operation on the inner sliding frame 4, and conveniently and stably perform the fixing control of the sliding seat in the corresponding groove, which is convenient and easy to operate, and only needs to control the corresponding position control shaft 301, which is flexible and convenient to control, is conducive to the overall adjustment operation, and is convenient for subsequent installation and detection.

[0046] Afterwards, align the two ends of the inspection product and install them on the inner sides of the mounting rods 7 on both sides respectively, move the first sliding seat 5 to adjust the position and fix it, at this time, the mounting rod 7 at the end is squeezed to retract along the inner side of the sliding sleeve 8, so that one end of the outer bite buckle 1102 contacts and is pushed with the sliding sleeve 8, so that the bite buckle 1102 rotates around the rotating shaft 1101 and clamps and fixes the connection of the inner inspection product, and the inner mounting rod 7 can be stably retracted by the setting of the first spring 9, and the moving distance is limited by the gear rod 10, which ensures the stability of the movement and prevents the mounting rod 7 from falling off, which is beneficial to the overall use control of the equipment, the operation is convenient and stable, and the installation and fixing operation of the inspection product is more convenient and stable, and the movement adjustment of the first sliding seat 5 at the bottom ensures that the equipment can flexibly adapt to the fixed installation of inspection products of different specifications;

[0047] Subsequently, when in use, the second sliding seat 12 can be pushed to a suitable position for fixing, and at the same time, the outer screw 18 can be rotated as needed to drive the lower inclined block 17 to slide forward and backward, so that the top upper inclined block 16 is transmitted through the top inclined surface of the lower inclined block 17, driving the mounting frame 15 to perform stable lifting and lowering adjustment control along the guide rod 13. The setting of the third spring 14 can ensure the stability of the movement of the mounting frame 15.

Claims

1. A test device for a motor vehicle driving gearbox, comprising a base (1) and a second sliding seat (12), wherein a sliding groove (2) is provided on the top of the base (1), and an adjusting mechanism (3) is installed on the inner side of the sliding groove (2), a sliding frame (4) is installed on the inner side of the sliding groove (2), and a first sliding seat (5) is connected to the top of the sliding frame (4), and a connecting rod (6) is arranged on the outer side of the first sliding seat (5), an end of the connecting rod (6) is connected to a mounting rod (7), and a sliding sleeve (8) is installed on the outer side of the mounting rod (7), and a first spring (9) is arranged on the inner side of the sliding sleeve (8), a shift rod (10) passes through the end of the mounting rod (7), and a locking mechanism (11) is arranged on the other end of the mounting rod (7); The engaging mechanism (11) comprises a rotating shaft (1101), a snap buckle (1102) and a second spring (1103); the snap buckle (1102) penetrates the outer side of the rotating shaft (1101), and the second spring (1103) is arranged on the inner side of the snap buckle (1102); The biting buckle (1102) forms a rotating structure with the rotating shaft (1101) and the mounting rod (7), and the biting buckle (1102) forms a transmission structure with the sliding sleeve (8) and the mounting rod (7), and the sliding sleeve (8) forms a sliding structure with the mounting rod (7) through the first spring (9); By squeezing the end mounting rod (7) to retract along the inner side of the sliding sleeve (8), one end of the outer gripping buckle (1102) and the sliding sleeve (8) are brought into contact with each other and pushed, so that the gripping buckle (1102) rotates around the rotating shaft (1101) and clamps and fixes the connection of the inner inspection product. The inner mounting rod (7) can be stably retracted by the setting of the first spring (9), and the moving distance is limited by the gear lever.

2. The EMU driving gearbox testing device according to claim 1, characterized in that: The second sliding seat (12) is arranged on the top of the base (1), and a guide rod (13) is arranged on the top of the second sliding seat (12), and a third spring (14) is passed through the outer side of the guide rod (13), the end of the guide rod (13) is connected to a mounting frame (15), and an upper inclined block (16) is arranged at the bottom of the mounting frame (15), and a lower inclined block (17) is arranged below the upper inclined block (16), a screw rod (18) is installed on the inner side of the lower inclined block (17), a fixing frame (19) is installed on the side of the guide rod (13), and an electric rod (20) is passed through the inner side of the fixing frame (19), and a detection mechanism (21) is connected to the end of the electric rod (20).

3. The EMU driving gearbox testing device according to claim 1, characterized in that: The adjustment mechanism (3) comprises a control shaft (301), a push block (302), a fixed shaft (303) and a buckle (304); the push block (302) passes through the outer side of the control shaft (301); the fixed shaft (303) is installed on the inner side of the slide groove (2); and the buckle (304) passes through the outer side of the fixed shaft (303).

4. The EMU driving gearbox testing device according to claim 3, characterized in that: The buckle (304) forms a rotating structure through the fixed shaft (303) and the slide groove (2), and the buckle (304) forms a transmission structure through the push block (302) and the control shaft (301), and the sliding frame (4) forms a locking structure through the buckle (304) and the slide groove (2). The outer control shaft (301) is rotated to drive the push block (302) to rotate counterclockwise, so that the end of the push block (302) pushes one end of the outer buckle (304), so that the buckle (304) can rotate around the fixed shaft (303), and the buckles (304) on both sides move relatively to lock and fix the inner sliding frame (4).

5. The EMU driving gearbox testing device according to claim 2, characterized in that: The mounting frame (15) forms a lifting structure through the upper inclined block (16) and the lower inclined block (17), and the lower inclined block (17) forms a sliding structure through the screw rod (18) and the second sliding seat (12), and the mounting frame (15) forms a lifting structure through the third spring (14) and the guide rod (13).

6. The EMU driving gearbox testing device according to claim 2, characterized in that: The detection mechanism (21) forms a sliding structure between the electric rod (20) and the fixed frame (19), and the electric rod (20) and the fixed frame (19) are arranged perpendicular to each other.

7. The test method of the EMU driving gearbox test device according to claim 5, characterized in that: The following steps are involved: S1, installing the first sliding seat (5), the guide rod (13) and the fixing frame (19) on the inner side of the slide groove (2) by sliding, and clamping and fixing them by controlling and adjusting the mechanism (3); S2, aligning the two ends of the test object with the mounting rods (7) on both sides by plugging, and driving the clamping mechanism (11) to clamp and install by pushing and pressing; S3, after adjusting the position of the guide rod (13) by sliding, the control screw (18) is rotated to adjust the position of the lower inclined block (17), thereby adjusting the use height of the mounting frame (15) and aligning and connecting the rotating parts of the test object; S4, adjusting the position of the detection mechanism (21) by sliding, and controlling the electric rod (20) to rotate and drive the end detection mechanism (21) to adjust the position, so as to meet the installation and connection requirements of the corresponding positions of the detection products of different specifications.

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