CN219870287U - Running-in equipment of wheel pair gear box for overhauling motor train unit - Google Patents
Running-in equipment of wheel pair gear box for overhauling motor train unit Download PDFInfo
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- CN219870287U CN219870287U CN202320452070.5U CN202320452070U CN219870287U CN 219870287 U CN219870287 U CN 219870287U CN 202320452070 U CN202320452070 U CN 202320452070U CN 219870287 U CN219870287 U CN 219870287U
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- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses running-in equipment of a wheel pair gear box for overhauling a motor train unit, which comprises a support frame, a rotating arm enclasping assembly, a running-in driving assembly and a control console; the support frame supports the wheel set rotating arm and the gear box respectively; the rotating arm enclasping components are symmetrically arranged at two ends of the top of the support frame and enclasp the rotating arm; the running-in driving assembly comprises a base, a horizontal positioning mechanism, a driving motor and a friction wheel. When running-in operation is carried out, the wheel set is hung on the support frame, the rotating arm is tightly held by the holding assembly, the horizontal positioning mechanism is regulated to drive the driving motor to carry out horizontal displacement, the friction wheel is in contact with the wheel rim, the driving motor drives the friction wheel to rotate under the control of the control console, and the wheel drives the driving shaft to rotate through friction transmission, so that components such as an inner gear of the gear box are worn in. The running-in equipment can be directly installed on the ground, and the support frame, the running-in driving assembly and the control console are designed in a split mode, so that the flexibility in use is better, the overall manufacturing cost is low, and the construction and installation difficulty is low.
Description
Technical Field
The embodiment of the utility model belongs to the technical field of motor train unit overhaul equipment, and particularly relates to wheel pair gear box running-in equipment for motor train unit overhaul.
Background
The wheel set of the rail transit vehicle is subjected to alternating stress in long-term contact with the steel rail in the running process, so that the internal gear box needs to be fully lubricated and ground in, if the gear box is abnormal in running in the running process, serious safety accidents can be caused, such as: poor gear engagement can cause abnormal abrasion of the gears; when the axle gear box bearing is abnormal, the bearing can be blocked, so that the risk of shaft breakage occurs; abnormal bearing of each output shaft, input shaft, intermediate shaft and the like in the axle gear box can cause the phenomenon of wheel pair locking, thereby causing the risk of burning the shaft. So that the internal gearbox of the wheel set needs to be serviced and run in periodically.
When running-in operation is carried out, certain power is applied from the input end of the gear box, running-in test is carried out on the gear box at each level of rotating speed, so as to check whether a lubrication and sealing system is reliable, bearing temperature rise and gear engagement are normal, and meanwhile, lubricating oil is fully adhered. In recent years, underground runner equipment is mainly adopted for running-in of wheel sets in China, and a runner mechanism of the equipment needs to be constructed in the civil construction process and is embedded and installed in a foundation. The equipment is integrally installed on a foundation, the manufacturing cost is high, the construction and installation difficulty is high, the overhaul difficulty is high, and the input and output of the equipment are low.
Therefore, the wheel set running-in gear box equipment which does not need to be matched for pre-burying a civil foundation, is low in manufacturing cost and convenient to maintain is needed in the present stage.
Disclosure of Invention
Aiming at the problems that running-in equipment in the prior art needs to be embedded in a civil engineering foundation, is high in manufacturing cost and difficult to maintain, the utility model provides running-in equipment for a wheel set gearbox for overhauling a motor train unit, which aims to solve the problems.
In order to achieve the above purpose, the utility model provides a running-in device of a wheel set gear box for overhauling a motor train unit, which comprises a support frame fixed on the ground through foundation bolts, wherein the support frame adopts a steel structure frame to respectively support a rotating arm and the gear box of the wheel set; the rotating arm enclasping assemblies are symmetrically arranged at the two ends of the top of the support frame and enclasp the rotating arm; the running-in driving unit is fixed on the ground and positioned at the side edge of the support frame and comprises a base, a horizontal displacement positioning mechanism arranged on the base, a driving motor arranged on the horizontal displacement positioning mechanism and a friction wheel fixedly connected with a motor shaft of the driving motor; and the system platform is arranged on the ground and controls the driving motor to adjust the rotating speed, so that the gear box is subjected to running-in test at each level of rotating speed through friction transmission of the friction wheel and the wheel.
Further, the support frame comprises a first support bottom plate which is arranged in parallel, a second support bottom plate which is arranged between the two groups of first support bottom plates, two groups of first support columns which are fixed at the top of the first support bottom plate, and two groups of second support columns which are fixed at the top of the second support bottom plate; a longitudinal horizontal rod is fixedly arranged between the second support column and the first support column; the first support column top is fixedly provided with a first support top plate, the second support column top is fixedly provided with a second support top plate, and the second support top plate supports the gear box.
Further, the first supporting bottom plate, the second supporting bottom plate, the first supporting top plate and the second supporting top plate are made of steel plates, and the first supporting columns, the second supporting columns and the longitudinal horizontal rods are made of I-steel.
Further, the rotating arm enclasping assembly comprises a screw rod rotating frame, a bidirectional screw rod, a first hand wheel, a guide rail, a rotating arm supporting table, a stand column, a locking pressing block and a crank connecting rod.
Further, the rotating arm supporting table is fixedly arranged in the middle of the top of the first supporting top plate, and a V-shaped groove is fixedly arranged at the top of the rotating arm supporting table for supporting the rotating arm.
Further, the screw rod rotating frame is arranged in parallel with the rotating arm supporting table, and a bidirectional screw rod is rotatably arranged on the screw rod rotating frame; two groups of first nuts are rotationally arranged on the two-way screw rod body, a guide rail is arranged below the two groups of first nuts, and the bottoms of the two groups of first nuts are respectively connected with the guide rail in a sliding manner; the first hand wheel is fixedly connected with one end of the bidirectional screw rod, and the bidirectional screw rod is driven to rotate through the first hand wheel, so that two groups of first nuts are respectively and reversely displaced along the guide rail.
Further, the upright posts are symmetrically arranged on two sides of the rotary arm supporting table, and locking press blocks are rotatably arranged on the tops of the upright posts; one end of the crank connecting rod is fixedly connected with the locking pressing block, and the other end of the crank connecting rod is hinged with the top of the first nut.
Further, the horizontal displacement positioning mechanism is characterized by comprising a longitudinal displacement assembly and a transverse displacement assembly.
Further, the longitudinal displacement assembly comprises a longitudinal sliding plate which is arranged at the top of the base in a sliding manner along the horizontal and longitudinal direction, and a screw rod which is arranged at the top of the base in a rotating manner along the horizontal and longitudinal direction, wherein the screw rod is positioned below the longitudinal sliding plate, and one end of the screw rod is fixedly connected with the second hand wheel; the bottom of the longitudinal sliding plate is provided with a first sliding block which can slide along the horizontal and longitudinal directions by being matched with a first sliding rail arranged at the top of the base; and the screw rod is rotatably provided with a second nut which is fixedly connected with two sides of the bottom of the longitudinal sliding plate.
Further, the transverse displacement assembly comprises a transverse sliding plate which is horizontally and transversely arranged at the top of the longitudinal sliding plate in a sliding manner, positioning plates which are symmetrically and fixedly arranged at two sides of the transverse sliding plate, and a limiting block which is fixedly arranged at the top of the longitudinal sliding plate; the bottom of the transverse sliding plate is fixedly provided with a second sliding block which is matched with a second sliding rail fixedly arranged at the top of the longitudinal sliding plate, so that the horizontal and transverse linear displacement of the transverse sliding plate is realized; the positioning plate is provided with a plurality of positioning holes; the limiting block is arranged in parallel with the positioning plate, a pin hole is formed in the limiting block, a locking pin is arranged in the pin hole, and the transverse sliding plate is locked and positioned by sequentially penetrating through the pin hole and the positioning hole through the locking pin.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the wheel pair gear box running-in equipment for overhauling the motor train unit, the supporting frames are arranged to respectively support the rotating arms and the gear boxes of the wheel pair, and the rotating arms are held tightly by the rotating arm holding assembly, so that the wheel pair can be run in stably; the support frame adopts frame construction, and its first supporting baseplate, second supporting baseplate, first supporting roof, second supporting roof adopt the steel sheet to make, first support column, second support column and vertical horizon bar adopt the I-steel to make, when strengthening support frame structural strength, through self great dead weight, can effectively resist the centrifugal force that the wheel rotated and produce, make the support frame can direct mount in subaerial, need not carry out basic civil engineering construction.
(2) According to the wheel pair gear box running-in equipment for overhauling the motor train unit, the support frame, the running-in driving assembly and the control console are in split type design, the installation positions can be flexibly distributed according to site limitation, the requirement on equipment installation sites is low, the use flexibility is better, the overall manufacturing cost is low, the construction and installation difficulty is low, and the later maintenance of the equipment is simple.
Drawings
Fig. 1 is a schematic structural diagram of a running-in device of a wheel set gearbox for overhauling a motor train unit in an embodiment of the utility model;
fig. 2 is a schematic structural view of a support frame according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a transfer arm hugging assembly according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a running-in driving unit according to an embodiment of the present utility model;
fig. 5 is a cross-sectional view of the break-in drive unit in an embodiment of the utility model.
Like reference numerals denote like technical features throughout the drawings, in particular:
1-a support frame comprising: 11-a first support bottom plate, 12-a first support column, 13-a first support top plate, 14-a second support bottom plate, 15-a second support column, 16-a second support top plate and 17-a longitudinal horizontal rod;
the 2-rotating arm enclasping assembly comprises a 21-screw rod rotating frame, a 22-bidirectional screw rod, a 221-first nut, a 222-second nut, a 23-first hand wheel, a 24-guide rail, a 25-rotating arm supporting table, a 26-upright post, a 27-locking press block, a 28-crank connecting rod and a 29-first nut;
a 3-break-in drive unit comprising: 31-base, 32-longitudinal displacement assembly, 321-longitudinal slide plate, 322-second hand wheel, 323-lead screw, 324-second nut, 325-first slide, 326-first slide rail, 33-lateral displacement assembly, 331-lateral slide plate, 332-second slide rail, 333-locking pin, 334-stopper, 335-second slide, 336-positioning plate, 34-drive motor, 35-friction wheel
4-a console;
a 5-wheel set comprising: 51-wheels, 52-swivel arms, 53-gearboxes.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-5, the utility model discloses wheel set gearbox running-in equipment for overhauling a motor train unit, which comprises a support frame 1, a rotating arm enclasping assembly 2, a running-in driving assembly 3 and a control console 4; the support frame 1 adopts a steel structure frame to respectively support a rotating arm 52 and a gear box 53 of the wheel set 5; the rotating arm enclasping assembly 2 is symmetrically arranged at two ends of the top of the support frame 1 and enclasps the rotating arm 52; the running-in driving assembly 3 comprises a base 31, a horizontal positioning mechanism, a driving motor 34 and a friction wheel 35. When running-in operation is carried out, the wheel set 5 is hung on the support frame 1, the rotating arm 52 is tightly held by the holding assembly 2, the horizontal positioning mechanism is regulated to drive the driving motor 34 to carry out horizontal displacement, the friction wheel 35 is in contact with the rim of the wheel 51, the driving motor 34 drives the friction wheel 35 to rotate under the control of the control console 4, and under the action of friction force, the wheel 51 drives the driving shaft to rotate, so that the internal gear of the gear box 53 and other parts are worn in. The running-in equipment can be directly installed on the ground, and the support frame 1, the running-in driving assembly 3 and the control console 4 are in split type design, so that the running-in equipment is simple in structure, better in use flexibility, low in overall manufacturing cost and low in construction and installation difficulty.
As shown in fig. 1-2, the supporting frame 1 is fixed on the ground through foundation bolts, and comprises two groups of first supporting bottom plates 11 arranged in parallel, and a second supporting bottom plate 14 arranged between the two groups of first supporting bottom plates 11, wherein two groups of first supporting columns 12 are fixedly arranged at the top of each group of first supporting bottom plates 11, two groups of second supporting columns 15 are fixedly arranged at the top of each second supporting bottom plate 14, and a longitudinal horizontal rod 17 is fixedly arranged between the corresponding second supporting column 15 and each first supporting column 12; the top of the first support column 12 is fixedly provided with a first support top plate 13, the top of the second support column 15 is fixedly provided with a second support top plate 16, and the second support top plate 16 supports the gear box 53. Further, the first supporting bottom plate 11, the second supporting bottom plate 14, the first supporting top plate 13 and the second supporting top plate 16 are made of steel plates, the first supporting columns 12, the second supporting columns 15 and the longitudinal horizontal rods 17 are made of I-steel, the structural strength of the supporting frame 1 is enhanced, and meanwhile, the centrifugal force generated by rotation of the wheels 51 can be effectively resisted through the self-weight of the supporting frame, so that the supporting frame 1 can be directly installed on the ground without carrying out basic civil engineering.
As shown in fig. 2-3, the boom enclasping assembly 2 is fixedly arranged at the top of the first supporting top plate 13, and comprises a screw rod rotating frame 21, a bidirectional screw rod 22, a first hand wheel 23, a guide rail 24, a boom supporting table 25, a stand column 26, a locking pressing block 27 and a crank connecting rod 28. The rotating arm supporting table 25 is fixedly arranged in the middle of the top of the first supporting top plate 13, and a V-shaped groove is fixedly arranged at the top of the rotating arm supporting table to support the rotating arm 52. The screw rod rotating frame 21 is arranged in parallel with the rotating arm supporting table 25, and a bidirectional screw rod 22 is rotatably arranged on the screw rod rotating frame. Two groups of first nuts 29 are rotatably arranged on the rod body of the bidirectional screw rod 22, a guide rail 24 is arranged below the bidirectional screw rod, and bottoms of the two groups of first nuts 29 are respectively connected with the guide rail 24 in a sliding mode. One end of the bidirectional screw rod 22 is fixedly provided with a first hand wheel 23, and the bidirectional screw rod 22 is driven to rotate by the first hand wheel 23, so that two groups of first nuts 29 respectively carry out reverse displacement along the guide rail 24. The upright posts 26 are symmetrically arranged on two sides of the rotary arm supporting table 25, and locking pressing blocks 27 are rotatably arranged on the tops of the upright posts. One end of the crank connecting rod 28 is fixedly connected with the locking pressing block 27, the other end of the crank connecting rod is hinged to the top of the first nut 29, and when two groups of the first nuts 29 respectively carry out 24 reverse displacement along the guide rail, the crank connecting rod 28 drives the locking pressing block 2 to rotate downwards so as to tightly hold the rotating arm 52.
The running-in driving unit 3 is fixed on the ground through foundation bolts and is located at the side edge of the supporting frame 1, and comprises a base 31, a horizontal displacement positioning mechanism arranged on the base 31, a driving motor 34 arranged on the horizontal displacement positioning mechanism, and a friction wheel 35 fixedly connected with a motor shaft of the driving motor 34. Wherein the horizontal displacement positioning mechanism comprises a longitudinal displacement assembly 32 and a transverse displacement assembly 33.
The longitudinal displacement assembly 32 includes a longitudinal sliding plate 321 sliding along a horizontal longitudinal direction and disposed at the top of the base 31, and a screw rod 323 rotating along a horizontal longitudinal direction and disposed at the top of the base 31, where the screw rod 323 is located below the longitudinal sliding plate 321, and one end of the screw rod 323 is fixedly connected with the second hand wheel 322. The bottom of the longitudinal sliding plate 321 is provided with a first sliding block 325, which can slide along the horizontal and longitudinal directions by being matched with a first sliding rail 326 arranged on the top of the base 31. The second nut 324 is rotatably disposed on the screw rod 323 and fixedly connected to two sides of the bottom of the longitudinal sliding plate 321, and the second nut 324 drives the longitudinal sliding plate 321 to perform longitudinal linear displacement by rotating the second hand wheel 322.
The lateral displacement assembly 33 includes a lateral sliding plate 331 horizontally and laterally sliding on the top of the longitudinal sliding plate 321, positioning plates 336 symmetrically and fixedly arranged on two sides of the lateral sliding plate 331, and a limiting block 334 fixedly arranged on the top of the longitudinal sliding plate 321. The bottom of the transverse sliding plate 331 is fixedly provided with a second sliding block 335, which is matched with a second sliding rail 332 fixedly arranged at the top of the longitudinal sliding plate 321, so as to realize horizontal and transverse linear displacement of the transverse sliding plate 331. The positioning plate 336 has a plurality of positioning holes. The limiting block 334 is arranged in parallel with the positioning plate 336, a pin hole is formed in the limiting block, a locking pin 333 is arranged in the pin hole, and the transverse sliding plate 331 can be locked and positioned by sequentially penetrating through the pin hole and the positioning hole through the locking pin 333.
The driving motor 34 is fixedly arranged at the top of the transverse sliding plate 331, and a friction wheel 35 is fixedly arranged on a motor shaft of the driving motor 34. The friction wheel 35 is matched with the rim of the wheel 51, and conical friction wheel transmission is formed between the friction wheel 35 and the rim, so that the wheel 51 is driven to rotate, and the gear box 53 is in gear running.
The console 4 is arranged on the ground, is in communication connection with the driving motor 34, and can control the driving motor 34 to adjust the rotating speed.
When running-in equipment works, the wheel set 5 is hung on the support frame 1, the rotating arm 52 is placed on the rotating arm support table, the gear box 53 is aligned to be placed on the second support top plate 16, the first hand wheel 23 is rotated, and the locking pressing block 27 holds the rotating arm 52 tightly; the second hand wheel 322 is rotated, so that the longitudinal sliding plate 321 drives the driving motor 34 to horizontally and longitudinally displace to align with the rim of the wheel 51, the transverse sliding plate 331 is pushed to drive the driving motor 34 to horizontally and longitudinally displace, the friction wheel 35 structure is contacted with the rim of the wheel 51, and the locking pins 333 sequentially penetrate through the pin holes and the positioning holes, so that the transverse sliding plate 331 can be locked and positioned; the console 4 controls the driving motor 34 to rotate, so that the wheel 51 drives the transmission shaft through conical friction wheel transmission, and running-in test is carried out on the gearbox at each level of rotating speed.
In the embodiment of the utility model, the rotating arm 52 and the gear box 52 of the pair of wheels 5 are respectively supported by the supporting frame 1, and the rotating arm 52 is tightly held by the rotating arm holding assembly 2, so that the pair of wheels 5 can perform running-in operation stably; the support frame 1 adopts a frame structure, the first support bottom plate 11, the second support bottom plate 14, the first support top plate 13 and the second support top plate 16 are made of steel plates, the first support column 12, the second support column 15 and the longitudinal horizontal rod 17 are made of I-steel, the structural strength of the support frame 1 is enhanced, and meanwhile, the centrifugal force generated by rotation of the wheels 51 can be effectively resisted through the self-large dead weight, so that the support frame 1 can be directly installed on the ground without carrying out basic civil construction.
In the embodiment of the utility model, the support frame 1, the running-in driving assembly 3 and the control console 4 are in split type design, the installation positions can be flexibly distributed according to the site limitation, the requirement on the equipment installation site is low, the use flexibility is better, the overall manufacturing cost is low, the construction and installation difficulty is low, and the later maintenance of the equipment is simple.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. Wheel pair gear box running-in equipment for motor train unit overhaul, characterized by comprising:
a supporting frame (1) fixed on the ground through foundation bolts, which adopts a steel structure frame to respectively support a rotating arm (52) and a gear box (53) of a wheel set (5);
the rotating arm enclasping assemblies (2) are symmetrically arranged at the two ends of the top of the supporting frame (1) and enclasp the rotating arm (52);
the running-in driving unit (3) is fixed on the ground and positioned at the side edge of the support frame (1) and comprises a base (31), a horizontal displacement positioning mechanism arranged on the base (31), a driving motor (34) arranged on the horizontal displacement positioning mechanism, and a friction wheel (35) fixedly connected with a motor shaft of the driving motor (34);
and a table (4) arranged on the ground, which controls the driving motor (34) to adjust the rotation speed, so that the friction wheel (35) and the wheel (51) are used for friction transmission, and the gear box (53) is subjected to running-in test at each level of rotation speed.
2. The running-in equipment of the wheel set gearbox for overhauling the motor train unit according to claim 1, wherein the supporting frame (1) comprises a first supporting bottom plate (11) which is arranged in parallel, a second supporting bottom plate (14) which is arranged between the two groups of the first supporting bottom plates (11), two groups of first supporting columns (12) which are fixedly arranged at the top of the first supporting bottom plate (11), and two groups of second supporting columns (15) which are fixedly arranged at the top of the second supporting bottom plate (14); a longitudinal horizontal rod (17) is fixedly arranged between the second support column (15) and the first support column (12); the first support column (12) top is fixed and is equipped with first supporting roof (13), and second supporting roof (16) are fixed and are equipped with at second support column (15) top, second supporting roof (16) support gear box (53).
3. The running-in equipment of the wheel pair gearbox for overhauling of the motor train unit according to claim 2, wherein the first supporting bottom plate (11), the second supporting bottom plate (14), the first supporting top plate (13) and the second supporting top plate (16) are made of steel plates, and the first supporting columns (12), the second supporting columns (15) and the longitudinal horizontal rods (17) are made of I-steel.
4. A wheel set gearbox running-in apparatus for motor train unit maintenance according to any of claims 2-3, characterized in that the swivel arm hugging assembly (2) comprises a screw turret (21), a bi-directional screw (22), a first hand wheel (23), a guide rail (24), a swivel arm support stand (25), a stand (26), a locking press (27) and a crank link (28).
5. The running-in equipment of the wheel set gearbox for overhauling of the motor train unit according to claim 4, wherein the rotating arm supporting table (25) is fixedly arranged in the middle of the top of the first supporting top plate (13), and a V-shaped groove is fixedly arranged at the top of the rotating arm supporting table to support the rotating arm (52).
6. The running-in equipment of the wheel set gearbox for overhauling the motor train unit according to claim 4, wherein the screw rod rotating frame (21) is arranged in parallel with the rotating arm supporting table (25) and is provided with a bidirectional screw rod (22) in a rotating way; two groups of first nuts (29) are rotationally arranged on the rod body of the bidirectional screw rod (22), a guide rail (24) is arranged below the bidirectional screw rod, and the bottoms of the two groups of first nuts (29) are respectively connected with the guide rail (24) in a sliding manner; the first hand wheel (23) is fixedly connected with one end of the bidirectional screw rod (22), and the bidirectional screw rod (22) is driven to rotate through the first hand wheel (23), so that two groups of first nuts (29) respectively carry out reverse displacement along the guide rail (24).
7. The running-in equipment of the wheel set gearbox for overhauling the motor train unit according to claim 6, wherein the upright posts (26) are symmetrically arranged at two sides of a rotating arm supporting table (25), and a locking pressing block (27) is rotatably arranged at the top of the upright posts; one end of the crank connecting rod (28) is fixedly connected with the locking pressing block (27), and the other end of the crank connecting rod is hinged with the top of the first nut (29).
8. A wheelset gearbox running-in apparatus for motor train unit service according to any one of claims 1-3, wherein the horizontal displacement positioning mechanism comprises a longitudinal displacement assembly (32) and a lateral displacement assembly (33).
9. The running-in equipment of a wheel set gearbox for maintenance of a motor train unit according to claim 8, wherein the longitudinal displacement assembly (32) comprises a longitudinal sliding plate (321) which is arranged at the top of the base (31) in a sliding manner along the horizontal longitudinal direction, and a screw rod (323) which is arranged at the top of the base (31) in a rotating manner along the horizontal longitudinal direction, wherein the screw rod (323) is positioned below the longitudinal sliding plate (321) and one end of the screw rod is fixedly connected with a second hand wheel (322); the bottom of the longitudinal sliding plate (321) is provided with a first sliding block (325), and the longitudinal sliding plate can slide along the horizontal and longitudinal directions by being matched with a first sliding rail (326) arranged at the top of the base (31); the screw rod (323) is rotatably provided with a second nut (324) which is fixedly connected with two sides of the bottom of the longitudinal sliding plate (321).
10. The running-in equipment of a wheel set gearbox for maintenance of a motor train unit according to claim 9, wherein the transverse displacement assembly (33) comprises a transverse sliding plate (331) which is horizontally and transversely arranged at the top of a longitudinal sliding plate (321), positioning plates (336) which are symmetrically and fixedly arranged at two sides of the transverse sliding plate (331), and limiting blocks (334) which are fixedly arranged at the top of the longitudinal sliding plate (321); the bottom of the transverse sliding plate (331) is fixedly provided with a second sliding block (335) which is matched with a second sliding rail (332) fixedly arranged at the top of the longitudinal sliding plate (321) to realize horizontal and transverse linear displacement of the transverse sliding plate (331); a plurality of positioning holes are formed in the positioning plate (336); the limiting block (334) is arranged in parallel with the positioning plate (336), a pin hole is formed in the limiting block, a locking pin (333) is arranged in the pin hole, and the locking pin (333) sequentially penetrates through the pin hole and the positioning hole to lock and position the transverse sliding plate (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320452070.5U CN219870287U (en) | 2023-03-10 | 2023-03-10 | Running-in equipment of wheel pair gear box for overhauling motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320452070.5U CN219870287U (en) | 2023-03-10 | 2023-03-10 | Running-in equipment of wheel pair gear box for overhauling motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870287U true CN219870287U (en) | 2023-10-20 |
Family
ID=88332308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320452070.5U Active CN219870287U (en) | 2023-03-10 | 2023-03-10 | Running-in equipment of wheel pair gear box for overhauling motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870287U (en) |
-
2023
- 2023-03-10 CN CN202320452070.5U patent/CN219870287U/en active Active
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