WO2021093617A1

WO2021093617A1 - Assembly line for electric locomotive wheel driving unit

Info

Publication number: WO2021093617A1
Application number: PCT/CN2020/125541
Authority: WO
Inventors: 耿海路; 王孝卿; 梁宝山; 王海棋; 冯柳
Original assignee: 中车大同电力机车有限公司
Priority date: 2019-11-15
Filing date: 2020-10-30
Publication date: 2021-05-20
Also published as: CN111906531A; UA128106C2; PL441153A1; PL244728B1; CN111906531B

Abstract

An assembly line for an electric locomotive wheel driving unit, comprising a gear sleeving machine (10), a wheel sleeving machine (20) and an assembling lifter (30). The gear sleeving machine (10) is used for mounting a gear (7) onto an axle (4); the wheel sleeving machine (20) and the gear sleeving machine (10) are arranged at an interval, and the wheel sleeving machine (20) is used for mounting wheels (3) onto the axle (4) on which the gear (7) is mounted; and the assembling lifter (30) is arranged at the side of the wheel sleeving machine (20) away from the gear sleeving machine (10), and comprises a wheel lifting assembly (200), a gear box lifting assembly (210) and an electric motor lifting assembly (220), wherein the wheel lifting assembly (200) is used for lifting the wheels (3) mounted on the axle (4), and wherein the gear box lifting assembly (210) and the electric motor lifting assembly (220) are used for lifting a gear box (5) and an electric motor (6) respectively so as to mount the gear box (5) and the electric motor (6) on the axle (4) and assemble the gear box and the electric motor into the electric locomotive drive unit.

Description

Electric locomotive wheel drive unit assembly line

cross reference

This disclosure claims the priority of a Chinese patent application filed on November 15, 2019 with the application number 201911116023.8 and titled "Electric Locomotive Wheel Drive Unit Assembly Line", the entire content of which is incorporated herein by reference.

Technical field

The present disclosure relates to the technical field of electric locomotives, and in particular to an assembly line of electric locomotive wheel drive units.

Background technique

The assembly of electric locomotive wheel drive units is an important process of railway electric locomotives. The assembly of various parts of railway electric locomotive wheel drive units in the prior art is carried out by multiple cranes assisting multiple workers to complete the assembly of the entire wheel drive. The entire assembly process needs to be performed on different assembly lines, and the entire transfer process is not only time-consuming and labor-intensive, but also extremely labor-intensive.

Summary of the invention

A main purpose of the present disclosure is to overcome at least one of the above-mentioned drawbacks of the prior art and provide an assembly line for electric locomotive wheel drive units.

The invention provides an electric locomotive wheel drive unit assembly line, which includes:

Gear set machine, gear set machine is used to install gears on axles;

Wheel set machine, the wheel set machine and the gear set machine are arranged at intervals, and the wheel set machine is used to install the wheel on the axle with the gear installed;

Assemble the elevator, which is arranged on the side of the wheel set machine away from the gear set machine. The assembly elevator includes a wheel lift assembly, a gear box lift assembly and a motor lift assembly. The wheel lift assembly is used to lift the wheels and gear boxes mounted on the axles. The lifting assembly and the motor lifting assembly are used to lift the gearbox and the motor, respectively, so that the gearbox and the motor are installed on the axle and assembled into an electric locomotive drive unit.

In an embodiment of the present invention, both the gear set machine and the wheel set machine include a set component, and the set component includes:

A fixed lifting mechanism, the fixed lifting mechanism includes a fixed frame and a first drive part, the fixed frame is used to support gears or wheels, and the first drive part is drivingly connected with the fixed frame to drive the fixed frame to move in a vertical direction;

A first running mechanism, the first running mechanism is connected to the fixed lifting mechanism, and the first running mechanism is movably arranged in the horizontal direction to drive the fixed lifting mechanism to move in the horizontal direction;

Wherein, the sleeve components are arranged in pairs, the two sleeve components arranged in pairs are arranged opposite to each other, and the two sleeve components are used to place the axles, so that when the two first traveling mechanisms are relatively close, the gears on the two fixed frames And the counterweight wheel is sleeved on the axle, or the two wheels on the two fixed frames are sleeved on the axle.

In an embodiment of the present invention, the gear set machine and the wheel set machine further include a set transfer vehicle, the set transfer vehicle and the two set components are arranged at intervals, and the set transfer vehicle includes:

Support arm opening and closing mechanism, the support arm opening and closing mechanism includes a support arm, the support arm is used to support the axle;

The second walking mechanism, the second walking mechanism is connected with the arm opening and closing mechanism, and the second walking mechanism is movably arranged in the horizontal direction to drive the arm opening and closing mechanism to move in the horizontal direction and transfer the axles to the two sets Between the components, the moving direction of the first walking mechanism is perpendicular to the moving direction of the second walking mechanism.

In an embodiment of the present invention, the wheel set machine further includes:

A wheel set elevator, the wheel set elevator is arranged between two package components, the wheel set elevator includes a wheel support plate, the wheel support plate is arranged under the axle of the packaged wheel, and is used for lifting the wheel;

Wherein, the wheel support plate is movably arranged in the vertical direction to drive the wheel to drive the axle to separate from the support arm.

In an embodiment of the present invention, the wheel lifting assembly includes a lifting frame and a wheel lifting part arranged on the lifting frame, the wheel lifting part is used to contact the wheel, and the lifting frame is movably arranged in the vertical direction to Drive the wheels to move through the wheel lifts;

The gear box lifting assembly includes a gear box platform top plate, the gear box platform top plate is used to place the gear box, and the gear box platform top plate is movably arranged in the vertical direction to drive the gear box to move;

The motor lifting assembly includes a motor platform top plate, the motor platform top plate is used to place the motor, and the motor platform top plate is movably arranged in the vertical direction to drive the motor to move;

Among them, the wheel lifting part, the top plate of the gearbox platform and the top plate of the motor platform are all arranged at intervals.

In an embodiment of the present invention, the electric locomotive wheel drive unit assembly line further includes an axle box vertical assembly elevator, the axle box vertical assembly elevator is arranged between the gear set machine and the wheel set machine, and the axle box vertical assembly The lift includes:

Support frame

Lifting part, the lifting part is movably arranged relative to the support frame, the lifting part includes a bearing platform, the bearing platform is used to support the axle, and the axle box is installed on the axle equipped with gears, and the bearing platform is provided with avoidance Space, avoiding space is used for axles to pass through;

Power lifting mechanism. The power lifting mechanism is located under the load-bearing platform and is drivingly connected with the lifting member to drive the lifting member to drive the axle to move;

Wherein, the lifting member also includes an accommodation space, and the accommodation space is communicated with the avoiding space, so that the part of the axle is located in the accommodation space.

In an embodiment of the present invention, the electric locomotive wheel drive unit assembly line further includes a running-in test bench, which is arranged on the side of the assembly elevator away from the wheel set machine, and the running-in test bench includes:

A base, a receiving groove is provided on the base;

The lifting platform is used to support the driving unit of the electric locomotive. The lifting platform is movably arranged along the height direction of the accommodating groove to have a first position that is flush with the notch of the accommodating groove and a position inside the accommodating groove. Second position

Running-in test bench, the running-in test bench is set in the accommodating groove, the running-in test bench includes a support seat, the support seat is used to connect with the axle box of the electric locomotive drive unit;

Wherein, when the lifting platform is at the first position, the support base is separated from the axle box, and when the lifting platform is at the second position, the support base is connected with the axle box to perform a running-in test on the electric locomotive drive unit.

In an embodiment of the present invention, the electric locomotive wheel drive unit assembly line further includes an assembly manipulator, and the assembly manipulator includes:

The main track, the gear set machine and the wheel set machine are arranged in sequence along the extension direction of the main track;

A cross beam, the cross beam is movably arranged on the main rail, the cross beam includes a cross beam rail, and the extension direction of the main rail is perpendicular to the extension direction of the cross beam rail;

Slide, the slide is set on the beam track;

Transverse traveling mechanism, the horizontal traveling mechanism is connected with the slide and is movably arranged relative to the beam track to drive the slide to move along the beam track;

A lifting mechanism, the lifting mechanism is connected with the slide, the lifting mechanism includes a ram, and the ram is movably arranged relative to the slide in a vertical direction;

A picking mechanism, the picking mechanism is connected with the ram, the picking mechanism includes a clamping claw member, the clamping claw member is set in an adjustable position relative to the ram;

Among them, the clamping claw member is used to claw the axles, wheels, gears or axles equipped with gears.

In an embodiment of the present invention, the electric locomotive wheel drive unit assembly line further includes a polishing conveyor line. The polishing conveyor line is arranged on the side of the gear set machine away from the wheel set machine. The polishing conveyor line includes:

The first conveying line, the first conveying line is used to convey the gears, so that the gears are polished on the first conveying line;

The second conveying line, the second conveying line is arranged side by side with the first conveying line, and the second conveying line is used to convey the wheels so that the wheels can be polished on the second conveying line;

The first rotating mechanism, the first rotating mechanism is arranged on the first conveying line and located in the middle of the first rotating mechanism, and the first rotating mechanism is used to drive the gear to rotate 180°;

The second rotation mechanism, the second rotation mechanism is arranged on the second conveying line and is located in the middle of the second rotation mechanism, and the second rotation mechanism is used to drive the wheels to rotate 180°.

In an embodiment of the present invention, the electric locomotive wheel drive unit assembly line further includes:

The ground track extends along a preset track, and at least part of the assembled elevator is arranged below the ground track, so that the wheels drive the axle to move along the ground track to the wheel lifting assembly.

The electric locomotive wheel drive unit assembly manipulator of the present invention can realize the multi-directional movement of the picking mechanism through the main track, the beam, the sliding plate, the lateral traveling mechanism and the lifting mechanism, and not only has high transfer efficiency, but also can meet the transfer of different workpieces.

Description of the drawings

By considering the following detailed description of the preferred embodiments of the present disclosure in conjunction with the accompanying drawings, various objectives, features, and advantages of the present disclosure will become more apparent. The drawings are merely exemplary illustrations of the present disclosure, and are not necessarily drawn to scale. In the drawings, the same reference numerals always refer to the same or similar parts. among them:

Fig. 1 is a schematic structural diagram showing an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 2 is a schematic diagram showing the structure of the first part of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 3 is a schematic structural diagram showing a second part of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 4 is a schematic structural diagram showing a third part of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 5 is a schematic structural diagram of a fourth part of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 6 is a schematic structural view of the fifth part of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 7 is a schematic structural diagram of a polishing conveyor line of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 8 is a schematic structural diagram of a gear set machine for an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 9 is a schematic structural diagram from a first perspective of a set assembly of a gear set machine according to an exemplary embodiment;

Fig. 10 is a schematic structural diagram from a second perspective of a set assembly of a gear set machine according to an exemplary embodiment;

Fig. 11 is a schematic structural diagram from a third perspective of a set assembly of a gear set machine according to an exemplary embodiment;

Fig. 12 is a schematic structural diagram from a first perspective of a set transfer vehicle of a gear set machine according to an exemplary embodiment;

Fig. 13 is a schematic structural diagram from a second perspective of a set transfer vehicle of a gear set machine according to an exemplary embodiment;

Fig. 14 is a schematic structural diagram from a third perspective of a set transfer vehicle of a gear set machine according to an exemplary embodiment;

Fig. 15 is a schematic structural view from a first perspective of the axle box vertical assembly elevator of an assembly line of electric locomotive wheel drive unit assembly line according to an exemplary embodiment;

Fig. 16 is a schematic structural view from a second perspective of the axle box vertical assembly elevator of an electric locomotive wheel drive unit assembly line according to an exemplary embodiment;

Fig. 17 is a schematic structural view from a third perspective of the axle box vertical assembly elevator of a wheel drive unit assembly line of an electric locomotive according to an exemplary embodiment;

Fig. 18 is a schematic diagram showing the internal structure of a vertical assembly elevator with a pivot box according to an exemplary embodiment;

Fig. 19 is a schematic cross-sectional structure diagram at A-A in Fig. 18;

Fig. 20 is a schematic structural view from a first view angle of a lifting member of a vertical assembly elevator with a pivot box according to an exemplary embodiment;

FIG. 21 is a schematic cross-sectional structure diagram at B-B in FIG. 20;

Fig. 22 is a schematic structural view from a second perspective of the lifting member of a vertical assembly elevator with a pivot box according to an exemplary embodiment;

Fig. 23 is a schematic structural view from a first perspective of a support frame of a vertical assembly elevator with a pivot box according to an exemplary embodiment;

FIG. 24 is a schematic cross-sectional structure diagram at C-C in FIG. 23;

Fig. 25 is a schematic structural view from a second perspective of a supporting frame of a vertical assembly elevator with a pivot box according to an exemplary embodiment;

Fig. 26 is a schematic structural diagram of a power lifting mechanism of a shaft-holding box vertical assembly elevator according to an exemplary embodiment;

Fig. 27 is a schematic structural diagram of a mobile axle box 180° turning machine for an assembly line of electric locomotive wheel drive units according to an exemplary embodiment;

Fig. 28 is a schematic structural diagram of a wheel set machine of an electric locomotive wheel drive unit assembly line according to an exemplary embodiment;

Fig. 29 is a schematic structural diagram from a first perspective of a set assembly of a wheel set machine of a wheel drive unit of an electric locomotive according to an exemplary embodiment;

Fig. 30 is a schematic structural diagram from a second perspective of a set assembly of a wheel set machine of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 31 is a schematic structural diagram from a third perspective of a set assembly of a wheel set machine of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 32 is a schematic structural view from a first perspective of a fixed lifting mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 33 is a schematic structural view from a second perspective of a fixed lifting mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 34 is a schematic structural view from a third perspective of a fixed lifting mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 35 is a schematic structural diagram from a first view angle of a first running mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 36 is a schematic structural diagram from a second perspective of the first running mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 37 is a schematic structural view from a first view angle of the bottom plate of a wheel set machine according to an exemplary embodiment;

Fig. 38 is a schematic structural view from a second perspective of the bottom plate of a wheel set machine according to an exemplary embodiment;

Fig. 39 is a schematic structural diagram from a first perspective of a set transfer vehicle of a wheel set machine according to an exemplary embodiment;

Fig. 40 is a schematic structural diagram from a second perspective of a set transfer vehicle of a wheel set machine according to an exemplary embodiment;

Fig. 41 is a schematic structural view from a third perspective of a set transfer vehicle of a wheel set machine according to an exemplary embodiment;

Fig. 42 is a partial structural schematic diagram showing a set transfer vehicle of a wheel set machine according to an exemplary embodiment;

Fig. 43 is a schematic structural view from a first view angle of the arm opening and closing mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 44 is a schematic structural view from a second perspective of the arm opening and closing mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 45 is a schematic structural view from a third perspective of the arm opening and closing mechanism of a wheel set machine according to an exemplary embodiment;

Fig. 46 is a schematic structural view from a first view angle of a support arm post of a wheel set machine according to an exemplary embodiment;

Fig. 47 is a schematic structural view from a second view angle of a support arm post of a wheel set machine according to an exemplary embodiment;

Fig. 48 is a schematic structural diagram from a third view angle of a support arm post of a wheel set machine according to an exemplary embodiment;

Fig. 49 is a schematic structural view from a first view angle of a connecting base plate of a wheel set machine according to an exemplary embodiment;

Fig. 50 is a schematic structural view from a second view angle of the connecting bottom plate of a wheel set machine according to an exemplary embodiment;

Fig. 51 is a schematic structural diagram from a first view angle of a wheel set elevator of a wheel set machine according to an exemplary embodiment;

Fig. 52 is a partially enlarged schematic diagram showing a wheel set elevator of a wheel set machine according to an exemplary embodiment;

Fig. 53 is a schematic structural diagram from a second perspective of a wheel set elevator of a wheel set machine according to an exemplary embodiment;

Fig. 54 is a schematic structural diagram from a third perspective of a wheel set elevator of a wheel set machine of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 55 is a schematic structural diagram from a first perspective of an assembly manipulator of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 56 is a schematic structural diagram from a second perspective of an assembly manipulator of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 57 is a schematic structural view from a third perspective of an assembly manipulator of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 58 is a schematic structural diagram from a fourth perspective of an assembly manipulator of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 59 is a schematic structural diagram from a first view angle of a beam for assembling a manipulator according to an exemplary embodiment;

Fig. 60 is a schematic structural diagram from a second perspective of a beam for assembling a manipulator according to an exemplary embodiment;

Fig. 61 is a schematic structural view from a first view angle of a sliding plate and a lateral walking mechanism for assembling a manipulator according to an exemplary embodiment;

Fig. 62 is a schematic structural diagram from a second perspective of a slide and a lateral walking mechanism for assembling a manipulator according to an exemplary embodiment;

Fig. 63 is a schematic structural view from a third perspective of a sliding plate and a lateral walking mechanism for assembling a manipulator according to an exemplary embodiment;

Fig. 64 is a schematic structural view from a first view angle of a lifting mechanism for an assembling manipulator according to an exemplary embodiment;

Fig. 65 is a schematic structural diagram from a second perspective of a lifting mechanism for an assembly manipulator according to an exemplary embodiment;

Fig. 66 is a schematic structural diagram showing a picking mechanism and a turning mechanism of an assembly manipulator according to an exemplary embodiment;

Fig. 67 is a schematic structural diagram from a first view angle of a picking mechanism of an assembly manipulator according to an exemplary embodiment;

Fig. 68 is a schematic structural diagram from a second perspective of a picking mechanism for an assembly manipulator according to an exemplary embodiment;

Fig. 69 is a schematic structural diagram from a first view angle of a sliding plate and a lateral walking mechanism for assembling a manipulator according to another exemplary embodiment;

FIG. 70 is a schematic structural diagram from a second perspective of a slide and a lateral traveling mechanism for assembling a manipulator according to another exemplary embodiment;

Fig. 71 is a schematic structural view from a first view angle of a lifting mechanism of an assembly manipulator according to another exemplary embodiment;

Fig. 72 is a schematic structural diagram from a second view angle of a lifting mechanism for an assembling manipulator according to another exemplary embodiment;

Fig. 73 is a schematic structural view from a first perspective of a picking mechanism and a rotating mechanism of an assembly manipulator according to another exemplary embodiment;

Fig. 74 is a schematic structural diagram from a second perspective of a picking mechanism and a rotating mechanism of an assembly manipulator according to another exemplary embodiment;

Fig. 75 is a schematic structural diagram from a first perspective of a picking mechanism for an assembly manipulator according to another exemplary embodiment;

Fig. 76 is a schematic structural diagram from a second perspective of a picking mechanism for an assembly manipulator according to another exemplary embodiment;

Fig. 77 is a schematic diagram showing a first application structure of an assembly manipulator according to an exemplary embodiment;

Fig. 78 is a schematic diagram showing a second application structure of an assembly manipulator according to an exemplary embodiment;

Fig. 79 is a schematic diagram showing a third application structure of an assembly manipulator according to an exemplary embodiment;

Fig. 80 is a schematic diagram showing a fourth application structure of an assembly manipulator according to an exemplary embodiment;

Fig. 81 is a schematic diagram showing a combined structure from a first view angle of a wheel-set synchronous lifting mobile machine and a transverse momentum measurement adjustment platform of an assembly line of an electric locomotive wheel drive unit assembly line according to an exemplary embodiment;

Fig. 82 is a schematic view of a second view of the combined structure of a wheel-set synchronous lifting mobile machine and a transverse momentum measurement adjustment platform of an electric locomotive wheel drive unit assembly line according to an exemplary embodiment;

Fig. 83 is a third perspective view of the combined structure diagram of the wheel-set synchronous lifting mobile machine and the traverse momentum measurement adjustment platform of an assembly line of electric locomotive wheel drive unit assembly lines according to an exemplary embodiment;

Fig. 84 is a schematic structural diagram from a first perspective of an assembling elevator of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 85 is a schematic structural diagram from a second perspective of an assembling elevator for an assembly line of an electric locomotive wheel drive unit, according to an exemplary embodiment;

Fig. 86 is a schematic structural diagram showing a wheel lifting assembly of an assembled elevator according to an exemplary embodiment;

Fig. 87 is a schematic structural diagram showing an embodiment of a set of lifting parts of an assembled elevator according to an exemplary embodiment;

Fig. 88 is a schematic structural diagram showing another embodiment of a set of lifting parts of an assembled elevator according to an exemplary embodiment;

Fig. 89 is a schematic structural diagram showing an embodiment of an assembling of a lifting rail of an elevator according to an exemplary embodiment;

Fig. 90 is a schematic structural diagram showing another embodiment of an assembling of a lifting rail of an elevator according to an exemplary embodiment;

Fig. 91 is a schematic structural diagram showing an embodiment of a lifting part of an assembled elevator according to an exemplary embodiment;

Fig. 92 is a schematic structural diagram showing another embodiment of a lifting part of an assembled elevator according to an exemplary embodiment;

Fig. 93 is a schematic structural diagram showing a gear box lifting assembly of an assembled elevator according to an exemplary embodiment;

Fig. 94 is a schematic structural diagram showing a motor lifting assembly of an assembled elevator according to an exemplary embodiment.

FIG. 95 is a schematic structural diagram from a first view angle of a running-in test bed of an assembly line of an electric locomotive wheel drive unit according to an exemplary embodiment;

Fig. 96 is a schematic structural diagram showing a state of a running-in test bench according to an exemplary embodiment;

Fig. 97 is a schematic cross-sectional structure diagram at D-D in Fig. 96;

Fig. 98 is a schematic cross-sectional structure diagram at E-E in Fig. 97;

Fig. 99 is a schematic structural diagram showing another state of a running-in test bench according to an exemplary embodiment;

FIG. 100 is a schematic cross-sectional structure diagram at F-F in FIG. 99;

Fig. 101 is a schematic cross-sectional structure diagram at G-G in Fig. 100;

Fig. 102 is a schematic structural diagram from a first view angle of a lifting platform of a running-in test bench according to an exemplary embodiment;

Fig. 103 is a schematic structural diagram from a second perspective of a lifting platform of a running-in test bench according to an exemplary embodiment;

Fig. 104 is a schematic structural diagram from a third perspective of a lifting platform of a running-in test bench according to an exemplary embodiment;

Fig. 105 is a schematic structural diagram from a fourth perspective of a lifting platform of a running-in test bench according to an exemplary embodiment;

FIG. 106 is a schematic structural diagram of a running-in test bench of a running-in test bench according to an exemplary embodiment;

FIG. 107 is a schematic structural diagram from a second perspective of a running-in test bench of a running-in test bench according to an exemplary embodiment;

Fig. 108 is a schematic structural diagram from a third perspective of a running-in test bench of a running-in test bench according to an exemplary embodiment;

Fig. 109 is a schematic structural diagram from a first view angle of a lifting mechanism of a running-in test bench according to an exemplary embodiment;

Fig. 110 is a schematic cross-sectional structure diagram at H-H in Fig. 109;

Fig. 111 is a schematic structural diagram from a second perspective of a lifting mechanism of a running-in test bench according to an exemplary embodiment.

The reference signs are explained as follows:

1. Electric locomotive drive unit; 2. Axle box; 3. Wheel; 4. Axle; 5. Gear box; 6. Motor; 7. Gear; 8. Axle box; 9. Axle box bearing;

10. Gear set machine; 20. Wheel set machine; 30. Assembly elevator; 40. Axle box vertical assembly elevator; 50. Running-in test bench; 60. Assembly manipulator; 70. Polishing conveyor line; 71. First conveyor Line; 72, the second conveying line; 73, the first rotating mechanism; 74, the second rotating mechanism; 80, the ground track; 90, the mobile axle box 180° turning machine; 91, the longitudinal walking part; 92, the horizontal walking Department; 93, tightening part; 94, lifting part; 95, rotating part;

11. Axle storage and transportation platform; 12. Big gear optional storage rack; 13. Axle storage rack; 14. Axle automatic measuring machine; 15. Wheelset press; 16. Big gear press; 17. Axle holding box assembly Temporary storage rack; 18. Parts transportation and storage platform; 19. Axle suspension box storage platform after assembly; 21. Axle suspension box transportation storage platform; 22. Accessories storage and transportation platform; 23. Wheelset back pressure waiting area; 24. Wheels Optional storage rack; 25. Wheelset synchronous lifting mobile machine; 26. Horizontal momentum measurement and adjustment platform; 27. Axle box replacement area; 28. Adjustment pad storage rack; 29. Wheelset inspection and delivery area; 31 , Bearing transportation platform; 32, bearing measuring machine; 33, bearing three-dimensional library; 34, bearing automatic feeding six-axis manipulator; 35, bearing automatic pressing machine; 36, two wheelset lifting platforms; 37, 0.3 ton self-propelled intelligent Spreader; 39. Accessories storage table; 41, 3 tons of electric smart spreaders; 42, 0.5 tons of self-propelled smart spreaders; 43. Dry glue waiting area; 44. Drive wheel finished product storage area; 45. Wheel drive unit lateral shift Conveyor line; 46, the finished product packaging area of the drive unit;

100. Base; 101. Groove; 102. First track section; 110. Lifting platform; 111. Second track section; 112. Movable platform; 113. Movable motor support platform; 114. Movable terrace; 120. Running-in Test bench; 121, support base; 122, fixed platform; 123, support table; 124, motor support table; 125, cushion block; 130, test bench lifting mechanism; 131, fixed bracket; 132, lifting bracket; 133, linear guide 134. Test bench servo motor; 135. Test bench reducer; 136. Test bench ball screw;

200, wheel lifting assembly; 201, lifting frame; 202, wheel lifting part; 2021, shaft; 2022, supporting wheel; 2023, bearing seat; 2024, bearing; 2025, jack; 2026, lifting track; 203, deceleration Motor; 204, the first screw; 205, the first guide rail; 210, the gear box lifting assembly; 211, the top plate of the gear box platform; 212, the bottom plate of the gear box platform; 213, the first connecting rod; 214, the second connecting rod; 215, the third connecting rod; 216, the fourth connecting rod; 2161, the connecting rod guide wheel; 217, the hydraulic cylinder; 218, the connecting rod shaft; 219, the guide groove; 220, the motor lifting assembly; 221, the top plate of the motor platform; 222 , Motor platform board; 223, second screw nut; 224, second sliding block; 225, motor lifting frame; 226, second guide rail; 227, servo motor; 228, second screw; 229, motor platform bottom plate; 2291 2292, longitudinal support block; 2293, intermediate plate; 2294, longitudinal slider; 2295, transverse guide; 2296, transverse slider; 2297, transverse screw; 2298, crank butt joint; 230, base; 231, the base rail; 232, the first nut; 233, the first slider;

300. Support frame; 301. Linear slide rail; 302. Mobile ram; 303. Nut seat; 310. Lifting parts; 311. Bearing platform; 312. Avoidance space; 313. Receiving space; 314. Lifting part; 315, ear plate; 316, partition; 320, power lifting mechanism; 321, drive motor; 322, power reducer; 323, reducer base; 324, lead screw; 325, nut; 330, foundation;

400. Set components; 410, fixed lifting mechanism; 411, fixed frame; 4111, fixed frame slider; 412, first driving part; 4121, first servo motor; 4122, elevator; 413, column; 4131, column guide rail; 414, bottom plate; 4141, bottom plate guide rail; 415, positioning mechanism; 420, first walking mechanism; 421, walking bottom plate; 422, second servo motor; 423, reducer; 424, gear; 425, rack; 430, set Transfer vehicle; 431, support arm opening and closing mechanism; 4311, support arm; 4312, support arm guide rail; 4313, support arm servo motor; 4314, support arm reducer; 4315, ball screw; 4316, lifting plate; 432, section 2. Traveling mechanism; 433, support arm column; 4331, support arm column guide rail; 434, second drive part; 4341, lifting plate motor; 4342, lifting plate lifting mechanism; 435, connecting bottom plate; 4351 bottom plate guide rail; 4352 bottom plate Rack; 440, wheel set elevator; 441, wheel support plate; 442, elevator fixing frame; 443, elevator ram; 444, elevator servo motor; 445, elevator reducer; 446, elevator ball screw; 447, guide rail; 450. Wheelset turntable; 460. Displacement sensor;

500. Main track; 510, beam; 511, beam track; 512, beam rack; 513, walking wheel; 514, guide wheel; 520, slide; 521, roller; 522, slide slider; 530, horizontal walking Mechanism; 531, walking motor; 532, walking reducer; 533, walking gear; 540, lifting mechanism; 541, ram; 542, lifting servo motor; 543, lifting reducer; 544, gear; 545, rack and pinion; 546 , Lifting rail; 547, pressure accumulating cylinder; 548, balance cylinder; 549, drive shaft; 550, pickup mechanism; 551, fixed part; 552, claw; 553, claw linear guide; 554, claw slider; 555 , Claw gear; 556, Claw rack; 557, Claw servo motor; 558, First claw reducer; 559, Second claw reducer; 560, Turning mechanism; 561, Turning servo motor; 562, Flip reducer; 563, mounting frame; 564, driving shaft; 565, driven shaft; 571, mounting frame; 572, gripper; 573, gripper linear guide; 574, gripper slider; 575, gripper servo motor 576, jaw reducer; 577, jaw screw; 580, rotating mechanism; 581, rotating servo motor; 582, rotating reducer; 583, rotating gear; 584, slewing support; 590, main walking mechanism.

Detailed ways

Typical embodiments embodying the features and advantages of the present disclosure will be described in detail in the following description. It should be understood that the present disclosure can have various changes in different embodiments, which do not depart from the scope of the present disclosure, and the description and drawings therein are essentially for illustrative purposes, rather than limiting the present disclosure. public.

In the following description of different exemplary embodiments of the present disclosure, reference is made to the accompanying drawings, which form a part of the present disclosure, and therein are shown by way of example different exemplary structures, systems, and steps that can implement various aspects of the present disclosure. . It should be understood that other specific solutions of components, structures, exemplary devices, systems, and steps can be used, and structural and functional modifications can be made without departing from the scope of the present disclosure. Moreover, although the terms "above", "between", "within", etc. may be used in this specification to describe different exemplary features and elements of the present disclosure, these terms are used herein for convenience only, for example, according to The directions of the examples in the drawings. Nothing in this specification should be understood as requiring a specific three-dimensional direction of the structure to fall within the scope of the present disclosure.

An embodiment of the present invention provides an electric locomotive wheel drive unit assembly line. Please refer to Figures 1 to 111. The electric locomotive wheel drive unit assembly line includes: a gear set machine 10, which is used to install the gear 7 to the axle 4; wheel set machine 20, wheel set machine 20 and gear set machine 10 are spaced apart, wheel set machine 20 is used to install wheel 3 to axle 4 on which gear 7 is installed; assembly lift 30, assembly lift 30 is set on the wheel The set machine 20 is far from the side of the gear set machine 10. The assembly lift 30 includes a wheel lift assembly 200, a gear box lift assembly 210, and a motor lift assembly 220. The wheel lift assembly 200 is used to lift the wheels 3 and gears mounted on the axle 4 The box lifting assembly 210 and the motor lifting assembly 220 are used to lift the gear box 5 and the motor 6 respectively, until the gear box 5 and the motor 6 are mounted on the axle 4 and assembled into the electric locomotive drive unit 1.

The assembly line of the electric locomotive wheel drive unit of the present invention can assist in completing the assembly of the electric locomotive drive unit 1 through the gear set machine 10, the wheel set machine 20 and the assembly elevator 30. This process can be completed on one assembly line, and the components can be assembled in sequence. The assembly efficiency is high, and the degree of automation is relatively high with the assistance of the assembly elevator 30.

The gear set machine 10 and the wheel set machine 20 perform workpiece transfer through an assembly manipulator 60, that is, the clamping jaws of the assembly manipulator 60 can be used to grasp the axle 4, the wheel 3, the gear 7 or the axle 4 equipped with the gear 7. The wheel set machine 20 and the assembling elevator 30 are transported through the ground rail 80, that is, the wheel 3 can be moved along the ground rail 80 after the installation of the wheel 3 is completed.

In one embodiment, the gear set machine 10 and the wheel set machine 20 both include a set assembly 400, the set assembly 400 includes: a fixed lifting mechanism 410, the fixed lifting mechanism 410 includes a fixing frame 411 and a first driving part 412, the fixing frame 411 is used for On the supporting gear 7 or the wheel 3, the first driving part 412 is drivingly connected with the fixing frame 411 to drive the fixing frame 411 to move in the vertical direction; the first traveling mechanism 420, the first traveling mechanism 420 are connected with the fixed lifting mechanism 410, The first traveling mechanism 420 is movably arranged in the horizontal direction to drive the fixed lifting mechanism 410 to move in the horizontal direction; wherein, the sleeve components 400 are arranged in pairs, the two sleeve components 400 arranged in pairs are arranged oppositely, and the two sleeve components 400 is used to place the axle 4, so that when the two first traveling mechanisms 420 are relatively close, the gear 7 and the counterweight on the two fixing frames 411 are sleeved on the axle 4, or the two fixing frames 411 The two wheels 3 are fitted to the axle 4.

In one embodiment, the gear set machine 10 and the wheel set machine 20 further include a set transfer vehicle 430, the set transfer vehicle 430 and the two set components 400 are spaced apart, the set transfer vehicle 430 includes: a support arm opening and closing mechanism 431, The arm opening and closing mechanism 431 includes a supporting arm 4311, which is used to support the axle 4; a second walking mechanism 432, which is connected to the supporting arm opening and closing mechanism 431, and the second walking mechanism 432 is movable in the horizontal direction The moving direction of the first traveling mechanism 420 is perpendicular to the moving direction of the second traveling mechanism 432 to drive the arm opening and closing mechanism 431 to move in the horizontal direction and to transfer the axle 4 between the two sleeve assemblies 400.

In one embodiment, as shown in FIGS. 8 to 14, the gear set machine 10 includes a set transfer cart 430 and two set assemblies 400, and the set transfer cart 430 is used to move the axle 4 between the two set assemblies 400, The gear 7 and the counterweight wheel are respectively placed on the two sleeve assemblies 400, which are moved by the first traveling mechanism 420, so that the gear 7 and the counterweight wheel on the two fixed frames 411 are sleeved on the axle 4. Then the package transfer vehicle 430 transfers the axle 4 with the gear 7 and the counterweight to the large gear press 16, the large gear press 16 compresses the gear 7, and then the package transfer vehicle 430 moves the axle 4 out of the large gear press 16 , The assembly manipulator 60 can be used to remove the counterweight wheel from the axle 4.

In one embodiment, the wheel set machine 20 further includes: a wheel set elevator 440, the wheel set elevator 440 is arranged between the two set components 400, the wheel set elevator 440 includes a wheel support plate 441, the wheel support plate 441 is set on the set The wheel 3 is below the axle 4 and is used to lift the wheel 3; wherein, the wheel support plate 441 is movably arranged in the vertical direction to drive the wheel 3 to drive the axle 4 away from the arm 4311.

In one embodiment, as shown in FIGS. 28 to 54, the wheel set machine 20 includes two set components 400, a set transfer vehicle 430, and a wheel set elevator 440. The set transfer vehicle 430 is used to transfer the axle 4 to the two sets. Between the components 400, the two set components 400 are respectively placed with two wheels 3, which are moved by the first traveling mechanism 420, so that the two wheels 3 on the two fixing frames 411 are sleeved on the axle 4. Then the set transfer vehicle 430 transfers the axle 4 with the wheels 3 to the wheel set press 15. The wheel set press 15 presses the wheels 3, and then the set transfer vehicle 430 moves the axle 4 out of the wheel set press 15, using the wheel set The elevator 440 lifts up the wheel 3 so that the axle 4 is separated from the package transfer vehicle 430, and moves to the wheelset turntable 450 through the track, and then moves to the next station through the ground track 80.

In one embodiment, the fixed lifting mechanism 410 further includes a bottom plate 414, and the first walking mechanism 420 includes: a walking bottom plate 421, which is connected to the fixed lifting mechanism 410; a second servo motor 422 and a speed reducer 423, a speed reducer 423 The gear 424, the speed reducer 423 is drivingly connected to the gear 424; the rack 425, the rack 425 is arranged on the bottom 414, and the gear 424 meshes with the rack 425 to move the gear 424 along the rack 425 At this time, the traveling bottom plate 421 moves along the bottom plate 414. The second servo motor 422 is connected to the speed reducer 423, and the speed reducer 423 drives the gear 424 to rotate. The rack 425 is fixed on the bottom plate 414, so that the gear 424 can move along the rack 425 while rotating, thereby driving it to move. The bottom plate 421 moves along the bottom plate 414.

In an embodiment, the fixed lifting mechanism 410 further includes a column 413, a column guide rail 4131 is provided on the column 413, a fixed frame slider 4111 adapted to the column guide rail 4131 is provided on the fixed frame 411, and the first driving part 412 includes The first servo motor 4121 and the elevator 4122 are drivingly connected to the first servo motor 4121 and the elevator 4122, and the elevator 4122 is connected to the fixing frame 411. The bottom plate 414 is provided with a bottom plate guide 4141, and the traveling bottom plate 421 moves along the bottom plate guide 4141. The first servo motor 4121 is drivingly connected to the elevator 4122, and the elevator 4122 drives the fixed frame 411 to move up and down relative to the column 413. Among them, the elevator 4122 can be a gear structure or a screw nut structure.

In one embodiment, the package transfer cart 430 is used to move the axle 4 between the two package assemblies 400, the second traveling mechanism 432 is a driving member, and the arm opening and closing mechanism 431 is driven to drive the axle 4 to move.

As shown in Figures 43 and 44, the support arms 4311 are arranged in pairs. The support arm opening and closing mechanism 431 also includes: a lifting plate 4316. The lifting plate 4316 is provided with a support arm guide rail 4312. The pair of two support arms 4311 are both It is movably arranged along the arm guide rail 4312; the arm servo motor 4313 and the arm reducer 4314 are all arranged on the lifting plate 4316; the ball screw 4315, the arm reducer 4314 and the ball screw 4315 are drivingly connected, and the ball screw The lever 4315 is rotatably arranged on the support arm 4311 to drive the support arm 4311 to move along the support arm guide rail 4312; wherein the support arm servo motor 4313, the support arm reducer 4314 and the ball screw 4315 are all arranged in pairs to drive The pair of two arms 4311 move. The arm servo motor 4313 drives the ball screw 4315 to rotate through the arm reducer 4314. Because the ball screw 4315 is a relatively fixed part, when the ball screw 4315 rotates, the arm 4311 will move along the ball screw 4315. Adjust the distance between the two arms 4311.

In one embodiment, the set transfer vehicle 430 further includes: an arm upright column 433 connected to the second traveling mechanism 432, an arm upright guide rail 4331 is provided on the arm upright column 433, and a lifting plate 4316 is arranged on the support On the arm column guide rail 4331, so that the arm opening and closing mechanism 431 is connected to the second walking mechanism 432 through the arm column 433; the second driving part 434, the second driving part 434 are arranged on the arm column 433, the second driving The portion 434 is drivingly connected with the lifting plate 4316 to drive the lifting plate 4316 to move in the vertical direction. Among them, the second driving part 434 includes a lifting plate motor 4341 and a lifting plate lifting mechanism 4342. The lifting plate lifting mechanism 4342 is a gear mechanism or a screw nut mechanism, which drives the lifting plate 4316 to drive the two support arms 4311 to move in the vertical direction. .

In one embodiment, the set transfer vehicle 430 further includes a connecting base plate 435, on which a base plate guide 4351 and a base plate rack 4352 are arranged, the support arm column 433 is arranged on the base plate guide 4351, and the second walking mechanism 432 includes: a drive The motor and the driving gear, the driving motor and the driving gear are drivingly connected, and the driving gear meshes with the bottom plate rack 4352, so that when the driving gear moves along the bottom plate rack 4352, the second traveling mechanism 432 drives the support arm column 433 to move along the bottom plate guide 4351 . The second traveling mechanism 432 relies on the interaction of the driving gear and the bottom plate rack 4352 to move along the connecting bottom plate 435, so that the suit transfer cart 430 moves in a direction approaching or away from the suit assembly 400.

In one embodiment, the package assembly 400 and the package transfer vehicle 430 are arranged on the same horizontal plane. Wherein, the moving position of the package transfer vehicle 430 can be determined by the displacement sensor 460, and of course, the moving position of the package assembly 400 can also be determined by the displacement sensor.

In one embodiment, the wheel set elevators 440 are arranged in pairs, the two pair of wheel elevators 440 are respectively arranged below the two wheels 3, and the two wheel support plates 441 of the two wheel set elevators 440 are respectively the first A wheel support plate and a second wheel support plate; wherein, the first wheel support plate is provided with a single track for connecting with the ground single track, and the second wheel support plate is provided with multiple tracks for connecting with the second multi track. The first wheel support plate and the second wheel support plate lift the installed wheels 3 to a certain height. When the other parts are moved away, the first wheel support plate and the second wheel support plate move downwards until they reach the ground rail. They are connected to each other, so that the wheels 3 can move along the track to the next station, such as the wheelset turntable 450.

As shown in FIG. 54, the wheel set elevator 440 also includes: an elevator fixing frame 442, which is used to be installed inside the foundation, and a nut is arranged on the elevator fixing frame 442; a lifting ram 443, and a wheel support plate 441 is arranged on the On the lifting ram 443, the lifting ram 443 is movably arranged on the elevator fixing frame 442 in the vertical direction; the elevator servo motor 444 and the elevator reducer 445 are arranged on the elevator ram 443; the elevator ball wire The bar 446, the elevator reducer 445 and the elevator ball screw 446 are drivingly connected, and the elevator ball screw 446 is rotatably inserted in the screw nut. The elevator servo motor 444 drives the elevator ball screw 446 to rotate through the elevator reducer 445. Because the screw nut is fixed on the elevator fixing frame 442, the elevator ball screw 446 realizes linear movement while rotating, thereby driving the elevator ram 443 to move . Wherein, the relative sliding between the lifting ram 443 and the elevator fixing frame 442 is realized by the guide rail 447 and the sliding block.

In one embodiment, the arm opening and closing mechanism 431 of the set transfer vehicle 430 adjusts the distance of the arm 4311 according to different locomotive axles, and the manipulator places the axle on the arm 4311 and lifts the axle to the designated center height. The second traveling mechanism 432 brings the axle to the same axis as the set assembly 400, and waits for the wheels to be set. The pre-set wheels are placed on the fixed lifting mechanism 410 by the manipulator, and the precise positioning mechanism 415 sends a signal to the PLC to make the lifting distance command, and lifts to the required height. The first travel mechanism 420 walks and sets the wheel on the axle waiting for the wheel set. , The package transfer vehicle 430 sends the locomotive axle with wheels to the wheel press-fitting station, and waits for the wheel press-fitting to be completed and then brings it back to the axis of the package machine. The wheel set elevator 440 rises, holding the wheels to the highest position, the set transfer vehicle 430 moves forward, the wheel set elevator 440 descends, and the wheel set is placed on the track and rolled to the wheel set turntable 450 to turn to the next station.

In one embodiment, the electric locomotive wheel drive unit assembly line also includes a axle box vertical assembly elevator 40. Please refer to Figures 15 to 26. The axle box vertical assembly elevator 40 is set on the gear set machine 10 and the wheel set machine 20. In between, the axle box vertical assembly elevator 40 includes: a support frame 300; a lifting member 310, which is movably arranged relative to the support frame 300, and the lifting member 310 includes a bearing platform 311, which is used for The axle 4 is supported so that the axle box is mounted on the axle 4 with the gear 7 installed. The carrying platform 311 is provided with an escape space 312 for the axle 4 to pass through; the power lifting mechanism 320, the power lifting mechanism 320 It is located under the carrying platform 311 and is drivingly connected to the lifting member 310 to drive the lifting member 310 to drive the axle 4 to move; wherein, the lifting member 310 also includes a receiving space 313, which is connected to the avoiding space 312 to The part of the axle 4 is located in the accommodating space 313.

In one embodiment, after the gear 7 is installed, the axle holding box needs to be installed, and the axle 4 is placed on the bearing platform 311 by the assembly manipulator 60, and the lifting member 310 on the support frame 300 can drive the axle 4 to move. The height of the axle 4 installed on the axle holding box is matched with the installation mechanism to complete the installation.

In one embodiment, the bearing platform 311 is a steel structure. The support frame 300 may be installed in the foundation 330. Optionally, the support frame 300 and the lifting member 310 are both steel structural members.

In one embodiment, the support frame 300 is provided with a linear sliding rail 301 and a moving ram 302, the moving ram 302 is movably arranged along the linear sliding rail 301, and the moving ram 302 is connected with the lifting member 310. Wherein, the extending direction of the linear sliding rail 301 is the vertical direction, that is, the moving ram 302 moves in the vertical direction.

As shown in Figure 21 and Figure 22, the lifting member 310 further includes: a lifting part 314, the carrying platform 311 is arranged on the lifting part 314, the lifting part 314 is a cylinder; the ear plate 315, the ear plate 315 is arranged in a circle On the outer surface of the barrel, the ear plate 315 is connected with the movable ram 302. By setting the lifting portion 314 as a cylinder, not only the size of the structure can be effectively controlled, but also the support for the axle 4 can be satisfied.

In one embodiment, the ear plate 315 includes a square plate and a plurality of triangular plates. The square plate is arranged on the cylinder, and the triangular plate is connected to the square plate and the cylinder; wherein the square plate is connected to the movable ram 302. Since the lifting part 314 is a cylinder, that is, a square plate is installed between its outer surfaces to have poor stability. Therefore, it is fixed by a plurality of triangular plates to ensure that the movable ram 302 is stably installed in the circle through the ear plates 315. On the tube.

In one embodiment, there are two pairs of linear slide rails 301 and movable ram 302, and two ear plates 315; wherein, the support frame 300 is a bent plate, and the two pairs of linear slide rails 301 and the movable ram 302 are respectively arranged at Bent the two side ends of the board.

In one embodiment, the bent plate is an arc-shaped plate, and the inner surface of the arc-shaped plate and the outer surface of the cylinder are spaced apart. A cylinder moves up and down along an arc line, the specific matching structure is relatively simple, and the stability of the matching is relatively good.

In one embodiment, the lifting part 314 and the carrying platform 311 are integrally formed.

As shown in FIG. 19, the axle-holding box vertical assembly elevator 40 further includes: a power lifting mechanism 320, which is located below the carrying platform 311 and is drivingly connected with the lifting member 310 to drive the lifting member 310 to drive the axle 4 Move.

In one embodiment, the power lifting mechanism 320 is located inside the support frame 300 and the lifting member 310, and is drivingly connected with the lifting member 310 to drive the lifting member 310.

As shown in FIG. 26, the support frame 300 is provided with a nut holder 303, and the power lifting mechanism 320 includes: a driving motor 321, a power reducer 322, and a reducer base 323. The reducer base 323 is arranged on the lifting member 310; The screw 324 and the screw nut 325, the power reducer 322 and the screw 324 are drivingly connected, and the screw nut 325 is connected to the screw socket 303. The driving motor 321 is connected to the power reducer 322, and the power reducer 322 drives the screw 324 to rotate. Since the screw nut seat 303 is fixed on the support frame 300, when the screw 324 rotates relative to the screw 325, the screw 324 rotates at the same time. It moves along the nut 325 to drive the lifting member 310 to move up and down.

In one embodiment, a partition 316 is provided in the lifting member 310, the upper part of the partition 316 is an accommodating space 313, the reducer base 323 is provided on the partition 316, and the drive motor 321 and the power reducer 322 are both located in the accommodating space. 313 within.

In one embodiment, as shown in Figure 27, the electric locomotive wheel drive unit assembly line also includes a mobile axle box 180° turning machine 90. After the axle box is installed, the bearings and seals inside the axle box need to be installed. Circles and other accessories. The mobile axle box 180° turning machine 90 includes a longitudinal running part 91, a transverse running part 92, a tightening part 93, a lifting part 94 and a rotating part 95. The tightening part 93 is a clamping jaw mechanism for grabbing the axle 4, The bearings, sealing rings and other accessories are installed in cooperation with the installation mechanism. The longitudinal running portion 91 and the transverse running portion 92 are mainly arranged to ensure that the tightening portion 93 can move in the horizontal direction. The specific structure can be formed by a gear rack or a rack. It is formed by the cooperation of the screw and nut, and only the walking function can be realized. The lifting portion 94 is used to realize the movement in the vertical direction, and the realization method can also be the cooperation of rack and pinion or the cooperation of the screw and nut. The rotating part 95 can realize that the tightening part 93 drives the axle 4 to rotate 180°, so as to complete the assembly of the accessories on both sides of the axle holding box.

In one embodiment, after the axle suspension box accessory is installed, the wheel 3 is installed.

In one embodiment, as shown in FIGS. 55 to 80, the electric locomotive wheel drive unit assembly line further includes an assembly manipulator 60, which includes: a main rail 500, a gear set machine 10 and a wheel set machine 20 along the main rail 500 The extension direction is arranged in sequence; the beam 510, the beam 510 is movably arranged on the main rail 500, the beam 510 includes the beam rail 511, the extension direction of the main rail 500 is perpendicular to the extension direction of the beam rail 511; the slide 520, the slide 520 are provided On the beam track 511; the transverse walking mechanism 530, the transverse walking mechanism 530 is connected to the slide 520, and is movably arranged relative to the beam rail 511 to drive the slide 520 to move along the beam track 511; lifting mechanism 540, lifting mechanism 540 is connected to the slide 520. The lifting mechanism 540 includes a ram 541, which is movably arranged relative to the slide 520 in a vertical direction; a pickup mechanism 550, which is connected to the ram 541, and the pickup mechanism 550 It includes a clamping claw member, which is adjustable in position relative to the ram 541; wherein the clamping claw member is used to claw the axle 4, the wheel 3, the gear 7 or the axle 4 equipped with the gear 7.

In one embodiment, the assembly manipulator 60 can realize the multi-directional movement of the pick-up mechanism 550 through the main rail 500, the beam 510, the slide 520, the lateral travel mechanism 530, and the lifting mechanism 540, which not only has high transport efficiency, but also meets the requirements of different Transfer of workpieces. Among them, the main track 500 spans the gear set machine 10, the axle box vertical assembly elevator 40, the mobile axle box 180° turning machine 90, and the wheel set machine 20, that is, the assembly manipulator 60 can cover the transfer of parts of the above mechanisms. In this installation station, in cooperation with the transport vehicle, the assembly manipulator 60 can complete the conversion of the components between the various agencies, so that automatic transfer can be realized without manual participation.

As shown in Figures 60 to 62 and Figure 69 and Figure 70, the beam 510 also includes a beam rack 512, the beam rack 512 is consistent with the extension direction of the beam rail 511, the slide 520 is provided with rollers 521, the rollers 521 constitute The two rollers 521 are arranged in pairs, and the pair of rollers 521 are located on both sides of the beam rail 511 to clamp the beam rail 511. The horizontal traveling mechanism 530 includes: a traveling motor 531, a traveling reducer 532, and a traveling gear 533. The traveling motor 531 and the traveling The reducer 532 is connected, the travel reducer 532 is drivingly connected with the travel gear 533, and the travel gear 533 meshes with the beam rack 512; wherein, the travel reducer 532 is connected with the carriage 520 so that the travel gear 533 runs along the beam rack When 512 moves, the slide 520 moves along the beam track 511. The two rollers 521 clamp the beam track 511, which can realize the guiding function and also play the role of walking. The walking motor 531 drives the walking gear 533 to rotate through the walking reducer 532. Since the beam rack 512 is a relatively fixed part, the walking gear 533 is While rotating, it moves along the beam rack 512, thereby driving the slide 520 to move along the beam rail 511 to complete one horizontal movement, and the movement of the beam 510 along the main rail 500 is another horizontal movement, both The direction is vertical.

As shown in Figures 53 to 65 and Figure 71 and Figure 72, the slide 520 is provided with a slide slider 522, and the lifting mechanism 540 also includes: a lifting servo motor 542, a lifting reducer 543 and a transmission shaft 549, a lifting reducer 543 is arranged on the slide 520; the gear 544, the rack 545 and the lifting guide 546, the lifting reducer 543 is drivingly connected to the gear 544 through the transmission shaft 549, the gear 544 is meshed with the rack 545, the rack 545 and the lifting guide 546 are both It is provided on the ram 541, and the lifting rail 546 is movably provided on the slide slider 522; wherein, the rack 545 and the lifting rail 546 both extend in the vertical direction. The lifting servo motor 542 drives the gear 544 on the transmission shaft 549 to rotate through the lifting reducer 543. Since the gear 544 can only complete rotation, when it is meshed with the rack 545, the gear 544 rotates, thereby driving the rack 545 to drive the ram 541 moves in the vertical direction along the carriage slider 522.

In one embodiment, the lifting mechanism 540 further includes: a pressure accumulating cylinder 547 and a balancing cylinder 548. The accumulating cylinder 547 is connected to the balancing cylinder 548, and the balancing cylinder 548 is drivingly connected to the ram 541 to provide upward pressure to the ram 541. Balance force. The arrangement of the accumulating steel cylinder 547 and the balance cylinder 548 can give an upward driving force to the moving parts following the ram 541, thereby reducing the load of the lifting servo motor 542 and making the lifting more stable.

As shown in Figure 68 and Figure 69, the picking mechanism 550 further includes a fixing portion 551, and the clamping claw member includes: claws 552, the claws 552 are arranged in pairs, and the pair of two claws 552 are arranged opposite to each other to form a clamp for clamping The clamping space for holding the workpiece; the claw linear guide 553 and the claw slider 554, the claw linear guide 553 and the claw slider 554 cooperate, the claw linear guide 553 is arranged on the fixed part 551, two pairs of The pawls 552 are provided with a pawl slider 554; a pawl gear 555 and a pawl rack 556, the pawl gear 555 meshes with the pawl rack 556, and the pawl gear 555 is rotatably arranged on the fixed part 551 , The pair of two jaws 552 are provided with jaw racks 556, and the two jaw racks 556 are located on both sides of the jaw gear 555.

As shown in Figure 66 and Figure 67, the fixing portion 551 and the clamping jaw member are arranged in pairs, and the clamping jaw member further includes a jaw servo motor 557, a first jaw reducer 558 and a second jaw reducer 559. The jaws The servo motor 557 is connected to both the first jaw reducer 558 and the second jaw reducer 559. The first jaw reducer 558 and the second jaw reducer 559 are separated and drivingly connected to the two jaw gears 555, and the manipulator is assembled 60 also includes a turning mechanism 560, which includes: turning servo motor 561 and turning reducer 562, turning reducer 562 is arranged on ram 541; mounting frame 563, mounting frame 563 is rotatably arranged relative to ram 541, Two fixed parts 551 are installed at both ends of the mounting frame 563; the driving shaft 564 and the driven shaft 565, the turning reducer 562 is drivingly connected with the driving shaft 564, the driving shaft 564 is connected with the mounting frame 563, and the driven shaft 565 is connected with the driving shaft 564. The mounting frame 563 is connected and rotatably arranged relative to the ram 541.

In one embodiment, the picking mechanism 550 is used to grab the axle 4, so two clamping jaws are required to clamp both ends of the axle 4 at the same time. Therefore, it is necessary to ensure that the two clamping jaws operate synchronously, so a jaw servo is provided. The motor 557 drives the first jaw reducer 558 and the second jaw reducer 559 to operate at the same time, and opens and closes the two jaws 552 through the interaction of the jaw gear 555 and the jaw rack 556. The setting of the turning mechanism 560 can drive the axle 4 to turn, and it mainly uses the turning servo motor 561 to drive the active shaft 564 through the turning speed reducer 562 to drive the mounting frame 563 to rotate relative to the ram 541.

As shown in FIGS. 75 and 76, the picking mechanism 550 further includes a mounting frame 571. The clamping jaws include: clamping jaws 572, the clamping jaws 572 are arranged in pairs, and the pair of two clamping jaws 572 are arranged opposite to each other to form a clamping device for clamping The clamping gap of the workpiece; the clamping jaw linear guide 573 and the clamping jaw sliding block 574, the clamping jaw linear guide 573 and the clamping jaw sliding block 574 cooperate, the clamping jaw linear guide 573 is arranged on the mounting frame 571, two pairs The clamping jaws 572 are provided with a clamping jaw slider 574; the clamping jaw servo motor 575, the clamping jaw reducer 576 and the clamping jaw screw 577, the clamping jaw servo motor 575, the clamping jaw reducer 576 and the clamping jaw screw 577 are all formed The two clamping jaws 572 are arranged in pairs and corresponding to the two clamping jaws 572 one by one. The clamping jaw speed reducer 576 is arranged on the mounting frame 571 and is drivingly connected with the clamping jaw screw 577. The clamping jaw screw 577 penetrates On the clamping jaw 572, when the clamping jaw screw 577 rotates, the clamping jaw 572 is moved along the clamping jaw linear guide 573.

As shown in FIGS. 74 and 74, the assembly manipulator 60 also includes a rotating mechanism 580, which includes: a rotating servo motor 581 and a rotating reducer 582. The rotating reducer 582 is arranged on the ram 541; a rotating gear 583 and a rotating support 584, the rotation speed reducer 582 is drivingly connected with the rotation gear 583, the rotation support 584 is connected with the mounting frame 571, and the rotation support 584 is provided with a tooth part meshing with the rotation gear 583.

In one embodiment, the pick-up mechanism 550 can be used to grab the wheel 3, the gear box 5, the motor 6, the gear 7, the axle holding box 8, the axle holding box bearing 9, etc., which are clamped by two oppositely arranged clamping jaws 572 To hold the gap, under the driving action of the clamping jaw servo motor 575, the clamping jaw reducer 576 and the clamping jaw screw 577, the two clamping jaws 572 realize the opening and closing. Among them, the two clamping jaws 572 are equipped with independent driving mechanisms. . The setting of the rotating mechanism 580 can realize the rotation of the clamping jaw 572, which mainly relies on the rotating servo motor 581, the rotating reducer 582 and the rotating gear 583 to achieve driving.

In one embodiment, the sliding plate 520, the lateral traveling mechanism 530, the lifting mechanism 540, and the picking mechanism 550 are all arranged in pairs. Among them, the slide 520, the lateral traveling mechanism 530, the lifting mechanism 540, and the picking mechanism 550 can be optionally equipped to meet different grasping requirements. As shown in Figs. 77 to 80, the picking mechanism 550 is used to grab the gear 7, the wheel 3, the axle holding box 8, and the axle holding box bearing 9, respectively.

As shown in Figure 58 and Figure 59, the beam 510 is provided with traveling wheels 513 and guide wheels 514. The guide wheels 514 are arranged in pairs. The two guide wheels 514 are located on both sides of the main rail 500, respectively. The upper surface of the main rail 500 is movably arranged, and the assembly manipulator 60 also includes: a main running mechanism 590. The main running mechanism 590 is arranged on the cross beam 510 and movably arranged along the extension direction of the main rail 500 to drive the cross beam 510 along the The main track 500 moves. The main traveling mechanism 590 may be a rack and pinion drive mechanism, or a screw and nut drive mechanism, and the specific driving distance is similar to the above-mentioned driving principle.

In one embodiment, as shown in Figures 81 to 83, the electric locomotive wheel drive unit assembly line also includes a wheel-set synchronous lifting moving machine 25 and a traverse momentum measurement adjustment platform 26. After the installation of the wheel 3 is completed, a traverse is required. Momentum test, the horizontal momentum measurement adjustment platform 26 is equipped with corresponding measuring instruments, and the wheel 3 is lifted off the ground track 80 in cooperation with the wheel set synchronous lifting mobile machine 25. The specific details of the wheel set synchronous lifting mobile machine 25 The structure can refer to the wheel set elevator 440, which is basically far away and similar, as long as the wheel 3 can be lifted.

In one embodiment, as shown in FIGS. 84 to 94, the wheel lifting assembly 200 includes a lifting frame 201 and a wheel lifting portion 202 provided on the lifting frame 201. The wheel lifting portion 202 is used to contact the wheels 3, The lifting frame 201 is movably arranged in the vertical direction to drive the wheels 3 to move through the wheel lifting portion 202; the gear box lifting assembly 210 includes a gear box platform top plate 211, and the gear box platform top plate 211 is used to place the gear box 5 and the gear box. The platform top plate 211 is movably arranged in the vertical direction to drive the gearbox 5 to move; the motor lifting assembly 220 includes a motor platform top plate 221, the motor platform top plate 221 is used to place the motor 6, and the motor platform top plate 221 is movable in the vertical direction It is arranged to drive the motor 6 to move; wherein, the wheel lifting portion 202, the gear box platform top plate 211 and the motor platform top plate 221 are all arranged at intervals.

In one embodiment, the wheel lifting assembly 200 needs to install the gear box 5 and the motor 6 after the bearing, axle box, and front cover are installed, and the wheel lifting assembly 200 is an auxiliary installation mechanism. The gearbox lifting assembly 210 and the motor lifting assembly 220 are used to lift the gearbox 5 and the motor 6 respectively, and the gearbox 5 and the motor 6 can be easily installed by cooperating with the wheel lifting assembly 200 to lift the wheel 3.

As shown in Fig. 86, Fig. 88, Fig. 91 and Fig. 92, there are two wheel lifting parts 202, and the two wheel lifting parts 202 are arranged on the lifting frame 201 at intervals. The wheel lifting part 202 includes a shaft 2021, The shaft 2021 is arranged on the lifting frame 201; the supporting wheel 2022 is arranged on the shaft 2021, and the two supporting wheels 2022 arranged at intervals are used to support one wheel 3. The two supporting wheels 2022 provided on the left and right sides of the lifting frame 201 are both supported on the bottom of one wheel 3 so as to stably contact with the wheel 3 without the problem of the wheel 3 being detached by mistake.

As shown in Figure 91 and Figure 92, the wheel lifting portion 202 further includes: a bearing seat 2023, which is arranged on the lifting frame 201; a bearing 2024, the bearing 2024 is arranged in the bearing seat 2023, and the shaft 2021 is penetrated through the bearing 2024 Wherein, the shaft 2021 is provided with a socket 2025 for the peripheral component to pass through, so that the shaft 2021 drives the wheel 3 to rotate through the support wheel 2022 under the drive of the peripheral component.

In an embodiment, as shown in FIG. 91, the wheel lifting portion 202 is composed of a supporting wheel 2022, a shaft 2021, a bearing seat 2023, and a bearing 2024, wherein a supporting wheel 2022, a bearing seat 2023 is mounted on a shaft 2021 A plurality of bearings 2024 are provided between the bearing seat 2023 and the shaft 2021. The supporting wheel 2022 is used to contact the wheel 3 so that the shaft 2021 can be rotatably arranged, mainly for driving the shaft 2021 to rotate through an external component, so as to drive the wheel 3 to rotate, thereby realizing the adjustment of the position of the wheel 3.

In one embodiment, as shown in FIG. 92, the wheel lifting portion 202 is composed of a supporting wheel 2022, a shaft 2021, a bearing seat 2023, and a bearing 2024, wherein two supporting wheels 2022, a bearing seat are installed on one shaft 2021 2023, a plurality of bearings 2024 are provided between the bearing seat 2023 and the shaft 2021. The arrangement of the two supporting wheels 2022 can meet the track requirements between different wheels 3. The peripheral component is inserted into the jack 2025 to drive the shaft 2021 to rotate, where the peripheral component may be a crank.

In one embodiment, the support wheel 2022 and the shaft 2021 are an integral structure.

As shown in Figure 84, Figure 89, and Figure 90, the assembled elevator 30 further includes a base 230, the base 230 includes a base rail 231, and the wheel lifting portion 202 further includes: a lifting rail 2026, which is laid on the two A shaft 2021; wherein, when the lifting frame 201 moves to the lowest point, the lifting rail 2026 is opposite to the base rail 231. Wherein, the base rail 231 may be a part of the ground rail 80.

In one embodiment, as shown in Figure 87 and Figure 89, the lifting rail 2026 is a single track, and the lifting rail 2026 is laid on two shafts 2021 through grooves on it. At this time, one lifting rail 2026 corresponds to one To the support wheel 2022. When the lifting rail 2026 is located at the lowest point, that is, in a non-working state, the lifting rail 2026 is connected to the base rail 231 so as to form a complete rail on the base 230. The lifting rail 2026 is overlapped on the base rail 231, that is, the two are connected through the stop.

In one embodiment, as shown in Figure 88 and Figure 90, the lifting rail 2026 is a double rail, and the lifting rail 2026 is laid on two shafts 2021 through the grooves on it. At this time, one lifting rail 2026 corresponds to two To the support wheel 2022. The setting of the dual track is also to meet the use of different wheel bases.

As shown in FIG. 86, the assembled elevator 30 further includes a base 230. The base 230 is provided with a first screw nut 232 and a first sliding block 233. The wheel lifting assembly 200 further includes a decelerating motor 203. The decelerating motor 203 is arranged on the wheels. On the lifting part 202; the first screw 204, the reduction motor 203 is drivingly connected with the first screw 204, the first screw 204 is inserted in the first screw nut 232; the first guide rail 205, the first guide rail 205 is arranged in On the wheel lifting part 202, the first guide rail 205 is adapted to the first sliding block 233 and is movably arranged along the first sliding block 233. During specific operation, the decelerating motor 203 drives the first screw 204 to rotate. Since the first screw nut 232 is fixed on the base 230, the first screw 204 is in a vertical direction relative to the first screw nut 232 during rotation. Move, so as to drive the wheel lifting part 202 to move in the vertical direction.

In one embodiment, there are two wheel lifting assemblies 200, and the two wheel lifting assemblies 200 are arranged at intervals and correspond to the two wheels 3 on the axle 4 one by one. In specific use, two wheels 3 need to be driven to move at the same time, so two wheel lifting assemblies 200 need to be provided. At this time, one wheel lifting assembly 200 includes a single track, and the other wheel lifting assembly 200 includes a double track.

As shown in FIG. 93, the assembled elevator 30 further includes a base 230, and the gear box lifting assembly 210 also includes: a gear box platform bottom plate 212, the gear box platform bottom plate 212 is arranged on the base 230; a first connecting rod 213, a first connecting rod One end of the rod 213 is hinged with the gearbox platform bottom plate 212; the second link 214, one end of the second link 214 is hinged with the gearbox platform top plate 211, and the first link 213 is hinged with the second link 214; Three connecting rods 215, the middle of the third connecting rod 215 is hinged with the first connecting rod 213, one end of the third connecting rod 215 is slidably arranged on the gearbox platform bottom plate 212; the fourth connecting rod 216, the fourth connecting rod The middle part of 216 is hinged with the second connecting rod 214, one end of the fourth connecting rod 216 is slidably arranged on the top plate 211 of the gearbox platform, the third connecting rod 215 is hinged with the fourth connecting rod 216; the hydraulic cylinder 217, hydraulic The cylinder 217 is hinged on the gearbox platform bottom plate 212, and the hydraulic cylinder 217 is drivingly connected with the fourth connecting rod 216. In specific use, the interaction between the various connecting rods is realized through the telescopic rod of the hydraulic cylinder 217, and finally the top plate 211 of the gearbox platform moves up and down.

In one embodiment, the first connecting rod 213, the second connecting rod 214, the third connecting rod 215, and the fourth connecting rod 216 are all arranged in pairs, and a connecting rod is arranged between the two fourth connecting rods 216 of the pair. The shaft 218, the hydraulic cylinder 217 and the connecting rod shaft 218 are drivingly connected; wherein the ends of the third connecting rod 215 and the fourth connecting rod 216 are provided with connecting rod guide wheels 2161, the gear box platform bottom plate 212 and the gear box platform top plate The guide grooves 219 that are matched with the connecting rod guide wheels 2161 are all provided on the 211. The pair of two first links 213 and the pair of two second links 214 are hinged by a link shaft 218, the pair of two first links 213 and the pair of two third links 215 are hinged through a connecting rod shaft 218, and the pair of two fourth connecting rods 216 and the pair of two second connecting rods 214 are hinged through a connecting rod shaft 218.

As shown in FIG. 94, the assembled elevator 30 further includes a base 230. The motor lifting assembly 220 also includes a motor platform board 222. The motor platform board 222 is arranged on the base 230, and the motor platform board 222 is provided with a second nut 223. And the second sliding block 224; the motor lifting frame 225, the motor lifting frame 225 is provided with a second guide rail 226 adapted to the second sliding block 224, the motor platform top plate 221 is set on the motor lifting frame 225; the servo motor 227, The servo motor 227 is arranged on the motor lifting frame 225; the second screw 228, the servo motor 227 is drivingly connected to the second screw 228, and the second screw 228 is inserted in the second screw nut 223. The servo motor 227 drives the second screw 228 to rotate. The second screw nut 223 is fixed on the motor platform plate 222, so that the second screw 228 moves while rotating, thereby driving the motor lifting frame 225 to move up and down.

In one embodiment, the motor lifting assembly 220 further includes: a motor platform bottom plate 229. The motor platform bottom plate 229 is provided on the motor lifting frame 225. The motor platform bottom plate 229 is provided with a longitudinal guide rail 2291, a longitudinal support block 2292 and a longitudinal support block. The longitudinal screw on the block 2292; the intermediate plate 2293, the intermediate plate 2293 is provided with a longitudinal sliding block 2294 and a longitudinal screw nut that is adapted to the longitudinal guide rail 2291, and the longitudinal screw is inserted in the longitudinal screw nut; wherein, the intermediate plate The 2293 is provided with a transverse guide rail 2295 and a transverse screw 2297. The top plate 221 of the motor platform is provided with a transverse slider 2296 adapted to the transverse guide rail 2295 and a transverse screw nut adapted to the transverse screw 2297. The transverse screw 2297 A crank butt joint 2298 is provided on it. The arrangement of the top plate 221 and the middle plate 2293 of the motor platform realizes the horizontal movement of the front, back, left, and right. The specific driving mechanism adopts a lead screw and a nut, which can be manually operated or driven by a motor.

In one embodiment, the electric locomotive wheel drive unit assembly line further includes a running-in test bench 50, which is arranged on the side of the assembling elevator 30 away from the wheel set machine 20, as shown in FIGS. 95 to 111, The test bench 50 includes: a base 100 on which a receiving groove 101 is provided; a lifting platform 110, which is used to support the electric locomotive drive unit 1, and the lifting platform 110 is movably arranged along the height direction of the receiving groove 101, In order to have a first position flush with the notch of the receiving groove 101 and a second position located inside the receiving groove 101; the running-in test bench 120, the running-in test bench 120 is set in the receiving groove 101, The test bench 120 includes a support seat 121, which is used to connect with the axle box 2 of the electric locomotive drive unit 1; wherein, when the lifting platform 110 is in the first position, the support seat 121 is separated from the axle box 2, and when lifting When the platform 110 is in the second position, the support base 121 is connected with the axle box 2 to perform a running-in test on the electric locomotive drive unit 1.

In one embodiment, a running-in test is required after the electric locomotive drive unit 1 is installed, so a running-in test bench 50 is provided. The running-in test bench 50 is movably arranged with respect to the base 100 through the lifting platform 110, so that when the lifting platform 110 is lowered to the second position inside the containing groove 101, the supporting seat 121 and the shaft of the running-in test bench 120 The box 2 is connected to fix the electric locomotive drive unit 1 to complete the subsequent running-in test. The entire operation is relatively simple and mostly automated, with relatively low manual participation. Wherein, when the lifting platform 110 is in the first position, the lifting platform 110 is flush with the notch of the receiving groove 101, and during specific operations, it is lowered to the second position to perform subsequent operations. The lifting platform 110 is mainly used to transfer the electric locomotive drive unit 1 to the running-in test bench 120.

As shown in FIG. 97, the running-in test bench 50 further includes: a test bench lifting mechanism 130. The test bench lifting mechanism 130 is arranged in the base 100 and located below the lifting platform 110; wherein, the test bench lifting mechanism 130 and the lifting platform 110 The driving connection is used to drive the lifting platform 110 to move between the first position and the second position. At least part of the test bench lifting mechanism 130 is located in the receiving groove 101.

As shown in Figures 109 to 111, the test bench lifting mechanism 130 includes: a fixed bracket 131, the fixed bracket 131 is fixed in the base 100; a lifting bracket 132, the lifting bracket 132 is movably arranged relative to the fixed bracket 131, the lifting bracket 132 and The lifting platform 110 is connected; the linear guide 133, the linear guide 133 is set on the fixed bracket 131 or the lifting bracket 132; the test bench servo motor 134 and the test bench reducer 135 connected to it, the test bench reducer 135 is set on the lifting bracket 132 ; Test bench ball screw 136, test bench reducer 135 and test bench ball screw 136 drive connection, test bench ball screw 136 is installed on the fixed bracket 131, to drive the test bench when the test bench servo motor 134 is running The ball screw 136 rotates, and the ball screw 136 of the test bench drives the lifting bracket 132 to move relative to the fixed bracket 131. The test stand servo motor 134 is connected with the test stand reducer 135, the test stand reducer 135 drives the test stand ball screw 136 to rotate, and the fixed bracket 131 is provided with a nut-like structure, so when the test stand ball screw 136 rotates , The rotation and the linear movement can be synchronized, so that the lifting bracket 132 is driven to move relative to the fixed bracket 131.

In one embodiment, there are multiple test-bed lifting mechanisms 130, and the multiple test-bed lifting mechanisms 130 are arranged at intervals and are all drivingly connected to the lifting platform 110; wherein, the multiple test-bed lifting mechanisms 130 are synchronously and operatively arranged. The arrangement of multiple test-bed lifting mechanisms 130 can stably drive the lifting platform 110, and two test-bed lifting mechanisms 130 can be selected.

As shown in Figures 106 to 108, the running-in test bench 120 also includes: a fixed platform 122, which is fixed on the base 100; a support platform 123, which is set on the fixed platform 122, and the position of the support seat 121 is adjustable The supporting platform 123 is arranged at one end far away from the fixed platform 122; wherein the supporting platform 123 is arranged in pairs, and the two supporting platforms 123 of the pair are arranged at intervals, and the supporting seats 121 are provided on the supporting platform 123, and the two The supporting seats 121 on the supporting table 123 are respectively used to connect with the two axle boxes 2. The support base 121 is used for fixed connection with the axle box 2, and its position is adjustable on the support platform 123, so as to meet the use of different electric locomotive drive units 1.

In an embodiment, each support platform 123 is provided with two support seats 121 for supporting the two ends of the axle box 2 on the axle 4. The fixed platform 122 is installed on the base 100 through a plurality of spacer blocks 125, and the spacer blocks 125 and anchor bolts can be used to adjust the flatness of the support platform 123. Optionally, the spacer 125 is a spacer iron.

In an embodiment, the running-in test bench 120 further includes a motor support platform 124 disposed on the fixed platform 122, and the motor support platform 124 is used to support the motor of the electric locomotive drive unit 1. The setting of the motor support stand 124 is used to support the motor, and can also make the stability of the electric locomotive drive unit 1 better.

As shown in Figures 102 to 105, the lifting platform 110 includes: a movable platform 112, which is used to support the wheels 3 of the electric locomotive drive unit 1, and a movable motor support platform 113, which is arranged on the movable platform 112 , And set opposite to the motor support table 124; wherein the movable motor support table 113 is movably arranged relative to the movable table 112, so that when the movable table 112 moves from the first position to the second position, the motor support table 124 and the movable motor The supporting table 113 is in contact and drives the movable motor supporting table 113 to move upward so that the movable motor supporting table 113 supports the motor; and when the movable table 112 moves from the second position to the first position, the movable motor supporting table 113 is at its own weight Move down under the action until it is flush with the movable platform 112.

In one embodiment, the movable motor support platform 113 is mainly used in conjunction with the motor support platform 124, that is, considering the height of the movable motor support platform 113 is limited, a movable motor support platform 113 is provided to support the motor. In specific use, when the movable table 112 moves to a certain position, the motor support table 124 contacts the movable motor support table 113 and drives the movable motor support table 113 to move upward so that the movable motor support table 113 supports the motor.

In one embodiment, the movable motor support table 113 is detachably disposed on the movable table 112. The movable motor supporting table 113 is easy to disassemble relative to the movable table 112, so different types of movable motor supporting tables 113 can be replaced to meet the requirements of different electric locomotive drive units 1.

In one embodiment, the lifting platform 110 includes: a movable platform 112, which is used to support the wheels 3 of the electric locomotive drive unit 1, and a movable platform 114, which is movably arranged relative to the movable platform 112 to When the movable platform 112 moves from the first position to the second position, the base 100 contacts the movable platform 114 and drives the movable platform 114 to move upward, so that the movable platform 114 protrudes from the movable platform 112; When 112 moves from the second position to the first position, the movable platform 114 moves downward under the action of its own weight until it is flush with the movable platform 112; among them, there are a plurality of movable terraces 114, and the plurality of movable terraces 114 are successively Settings, and the heights are all different. The setting of movable terraces 114 with different heights is mainly convenient for operators to use.

In one embodiment, the base 100 is provided with a pair of first rail sections 102, and a pair of second rail sections 111 are provided on the lifting platform 110; wherein, when the lifting platform 110 is in the first position, the second rail The section 111 is opposite to the first track section 102 so that the second track section 111 receives the electric locomotive drive unit 1 on the first track section 102. The arrangement of the first track section 102 and the second track section 111 can facilitate the transportation of the electric locomotive drive unit 1. Among them, the first track section 102 and the second track section 111 may be single-track or multi-track, that is, the track pitch is adjustable. The first track section 102 may be a part of the ground track 80.

In one embodiment, as shown in FIGS. 2 and 6, the electric locomotive wheel drive unit assembly line further includes a polishing conveyor line 70. The polishing conveyor line 70 is arranged on the side of the gear set machine 10 away from the wheel set machine 20. 70 includes: a first conveying line 71, the first conveying line 71 is used to convey the gear 7 so that the gear 7 is polished on the first conveying line 71; the second conveying line 72, the second conveying line 72 and the first conveying line 71 Arranged side by side, the second conveying line 72 is used to convey the wheels 3 so that the wheels 3 are polished on the second conveying line 72; the first rotating mechanism 73 and the first rotating mechanism 73 are arranged on the first conveying line 71 and located on the first conveying line 71. The middle part of a rotating mechanism 73, the first rotating mechanism 73 is used to drive the gear 7 to rotate 180°; the second rotating mechanism 74, the second rotating mechanism 74 is arranged on the second conveying line 72, and is located in the middle of the second rotating mechanism 74 , The second rotating mechanism 74 is used to drive the wheel 3 to rotate 180°.

In one embodiment, the polishing conveyor line 70 is located at the forefront of the assembly line of the electric locomotive wheel drive unit. It is mainly used to transport the wheels 3 and gears 7 to be polished. The first conveyor line 71 and the second conveyor line 72 meet the requirements of transportation. Yes, the first rotating mechanism 73 and the second rotating mechanism 74 need to realize the rotation of the gear 7 and the wheel 3, which mainly rely on a lifting mechanism to lift the wheel 3 and the gear 7, and then use a rotating mechanism to achieve 180° rotation. The main purpose is to polish the two ends of the wheel 3 and the gear 7, that is, the front part of the entire conveyor line is polished at one end and the other end is polished at the back.

In one embodiment, the electric locomotive wheel drive unit assembly line further includes: a ground track 80 extending along a preset track, and at least part of the assembly elevator 30 is arranged below the ground track 80 so that the wheels 3 drive the axle 4 along the The ground rail 80 moves to the wheel lifting assembly 200. The ground rail 80 and the assembling manipulator 60 form a transfer tool, which starts from the wheel set machine 20 and continues to the running-in test bench 50, and each jacking component on it has a matching track during the jacking process.

In one embodiment, as shown in Figures 1 to 6, the electric locomotive wheel drive unit assembly line is an electric locomotive wheel drive intelligent assembly line, including: a polishing conveyor line 70, two axle storage and transportation platforms 11 (AGV car Transportation), two large gears optional storage rack 12, axle storage rack 13, axle automatic measuring machine 14, gear set machine 10, large gear press machine 16, four axle holding axle box assembly temporary storage rack 17, four holding Axle box vertical assembly elevator 40, two parts transportation storage platform 18 (AGV vehicle transportation), four axle suspension box assembly storage platform 19, two axle box transportation storage platform 21 (AGV vehicle transportation), mobile Axle box 180° turning machine 90, an accessory storage and transportation platform 22 (AGV vehicle transportation), wheel set back pressure waiting area 23, wheel optional storage rack 24, wheel set machine 20, wheel set pressing machine 15, assembly manipulator 60 , Wheelset turntable 450, wheelset synchronous lifting mobile machine 25, traverse momentum measurement adjustment table 26, axle box replacement area 27, adjustment pad storage rack 28 (AGV vehicle transportation), wheelset inspection and delivery area 29, Bearing transportation platform 31 (AGV vehicle transportation), bearing measuring machine 32, bearing stereo library 33, bearing automatic feeding six-axis manipulator 34, bearing automatic pressing machine 35, two wheelset lifting platforms 36, 0.3 ton self-propelled smart spreader 37 and the first fixed torque trigger, four accessory storage stands 39 (AGV vehicle transportation), two assembly lifts 30, 3 ton electric smart spreader 41 and the second fixed torque trigger, 0.5 ton self-propelled smart spreader 42 and The third fixed torque trigger, dry glue waiting area 43, drive wheel finished product storage area 44, wheel drive unit traverse conveyor line 45, drive unit finished product packaging area 46 and two running-in test benches 50.

In one embodiment, the grinding conveyor line 70 used to polish the inner holes of gears and wheels is perpendicular to the entire wheel drive intelligent assembly line (which can be understood as the assembly direction, such as the extension direction of the ground rail 80), and is arranged on the entire wheel. At the beginning of the intelligent assembly line, the gear inner hole grinding conveyor line (first conveyor line 71) is on the left (the opposite direction of the wheel drive intelligent assembly line), and the wheel inner hole grinding conveyor line (second conveyor line 72) is on the right (wheel drive intelligent assembly line). Drive the direction of the intelligent assembly line). Two axle storage and transportation platforms 11 (AGV vehicle transportation) and a large gear optional storage rack 12 are arranged on the right side of the sanding conveyor line 70 (in the direction of the wheel drive intelligent assembly line); the axle storage rack 13 is arranged on the two axle storage and transportation platforms 11 (AGV vehicle transportation) The right side (direction of the wheel drive intelligent assembly line) and perpendicular to the wheel drive intelligent assembly line. The axle automatic measuring machine 14 is placed in the middle of the axle storage rack 13 and perpendicular to the axle storage rack 13; the large gear pre-installed unit is arranged opposite to the axle storage rack 13 and on the same axis as the axle storage rack 13; the front end of the large gear pre-installed unit is a large gear Pressing machine 16; two axle storage and transportation platforms 11 are on the right side of the axle storage rack 13 (the direction of the wheel drive intelligent assembly line); a large gear storage rack is set on the right side, and the large gear storage rack is facing a row of four axle holding boxes Assemble the temporary storage rack 17, the axle suspension box assembly temporary storage rack 17 is followed by four axle suspension boxes vertical assembly elevator 40 on the right, two accessory transportation storage platforms 18 (for AGV vehicle transportation), and four axle suspension boxes assembly Rear storage table, two axle box transport storage tables 21 (AGV vehicle transportation), mobile axle box 180° turning machine 90; mobile axle box 180° turning machine, one is arranged along the wheel drive intelligent assembly line at the right front The wheel optional storage rack 24; the right end of the wheel optional storage rack 24 is the wheel set machine 20; the wheel set pressing machine 15 is in front of the wheel pre-assembly machine; the multifunctional wheel set assembly manipulator (assembly manipulator 60) is arranged on the wheel drive intelligent assembly line Above, it covers all the processes before the wheelset press 15; the wheel selection storage rack 24 has a wheelset back pressure waiting area 23 along the direction of the wheel drive intelligent assembly line; next to it is the accessory storage and transportation platform 22 (AGV vehicle transportation ), the wheelset electric turntable (wheelset turntable 450) is coaxial with the wheelset back pressure waiting area 23 behind the wheel pre-installation machine; two sets of wheelset synchronous lifts are installed on both sides of the wheelset back pressure waiting area 23, and A traverse momentum measurement and adjustment platform is set between the two sets of wheel-set synchronous lifts; after the traverse momentum measurement and adjustment platform is the axle box pad replacement area 27, and next to the axle box pad replacement area 27 is the adjustment pad storage rack 28 (AGV car Transportation), the axle box replacement area 27 connects the wheelset inspection and delivery area 29 and the automatic bearing press 35, next to the bearing measuring machine 32 and the bearing transportation platform 31 (AGV vehicle transportation) and the bearing stereo library 33, bearing automatic The loading six-axis manipulator 34 is set above the automatic bearing press 35. After the automatic bearing press 35 are two wheelset lifting platforms 36, a 0.3-ton self-propelled smart spreader 37 and a fixed torque trigger, and two motors are assembled with lifting platforms. 3 ton electric smart spreader 41 and fixed torque trigger, 0.5 ton self-propelled smart spreader 42 and fixed torque trigger; followed by side by side dry glue waiting area 43, drive wheel product storage area 44, and drive wheel product packaging area; Finally, there are two elevating wheelset running-in test benches placed side by side.

In one embodiment, the gear 7 and the wheel 3 are respectively transported from the large gear and wheel inner hole polishing conveyor line to the coverage area of the multifunctional wheelset assembly manipulator (assembly manipulator 60) of the wheel drive intelligent assembly line; the multifunctional wheelset assembly manipulator Grab the polished gears and wheels and place them on the large gear optional storage rack 12 and the wheel optional storage rack 24; two axle storage and transportation platforms 11 (AGV vehicle transportation) transport the axles to the multifunctional wheelset assembly manipulator In the coverage area, the multifunctional wheelset assembly manipulator grabs the gears and axles and places them on the large gear pre-assembly unit (gear set machine 10) and the axle storage rack 13, respectively. After the axle passes through the axle automatic measuring machine 14, the multifunctional wheelset is assembled The manipulator puts it on the large gear pre-installation unit. The large gear pre-installation unit accurately sets the gear and counterweight on the axle, transfers it to the large gear press 16 for compression, and then transfers it back to the large gear pre-installation unit. Remove the counterweight wheel. The multifunctional wheelset assembly manipulator picks up and rotates the axle with large gears and places it on the axle box vertical lifting assembly machine (axle box vertical assembly elevator 40) to install the axle box, and then the multifunctional wheelset assembly manipulator Place it on the mobile axle box 180° turning machine 90 and continue to assemble. During this period, the accessories and axle box will be transported to the designated position for the AGV; the multi-functional wheel set assembly manipulator will transfer it to the wheel pre-assembly unit (wheel set Wait for the wheels to be pre-installed on the machine 20), and then the multifunctional wheel-set assembly manipulator transports the wheels to the wheel pre-installation unit. The wheel pre-installation unit pre-installs the wheels on the axles with gears and axle suspension boxes, and the wheels are pre-installed and transferred. The vehicle (wheel set transfer vehicle 430) sends the pre-installed axles to the wheel set press 15 and waits for the wheels to be press installed. After the press installation is completed, the wheel pre-installed transfer vehicle then brings the axles back to the wheel set press 15 axis. , The axle is unloaded by the wheel set elevator 440; scroll to the wheel set turntable 450 and turn to the wheel set back pressure waiting area 23, and then scroll to the wheel set synchronous lifting mobile machine 25, lift and move to the traverse momentum measurement adjustment platform The transverse momentum is measured on 26. After the measurement is completed, the wheel set will be lowered by the wheel set synchronous lifting mobile machine 25 and rolled to the axle box replacement area 27. The adjustment pads and storage racks are transported by the AGV to the replacement area. After the pad is completed, go to the wheel set inspection and verification area, and load the bearing automatic pressing machine 35, the bearing transport platform 31 (AGV car transport) to transport the bearing to the bearing measuring machine 32, and the bearing will be automatically loaded by the bearing after passing through the bearing measuring machine 32. The shaft manipulator 34 is placed on the bearing three-dimensional library 33. The bearing three-dimensional library 33 sorts and arranges the bearings according to the measurement data. The bearing is automatically loaded. The six-axis manipulator 34 grabs the appropriate bearing in the bearing three-dimensional library 33 and sets it on the axle according to the needs of the axle. The automatic bearing press 35 presses the bearings; enters the axle box assembly area, the front cover assembly area, and then to the assembly elevator 30 to install the motor, then to the dry glue waiting area 43, enters the last process, the running-in test bench 50 for running-in Test; Qualified wheel drive unit enters the storage area of the wheel drive unit finished product, and the packaging area of the wheel drive unit finished product. The intelligent assembly line of the electric locomotive wheel drive has precise coordination, precise positioning, lifting, set-fitting, transfer, and PLC control throughout the entire process, eliminating the need for driving cooperation and saving 95% of manpower.

Those skilled in the art will easily think of other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptive changes of the present invention. These variations, uses, or adaptive changes follow the general principles of the present invention and include common knowledge or conventional technical means in the technical field not disclosed by the present invention. . The specification and example embodiments are to be regarded as exemplary only, and the true scope and spirit of the present invention are pointed out by the following claims.

It should be understood that the present invention is not limited to the precise structure that has been described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present invention is only limited by the appended claims.

Claims

An electric locomotive wheel drive unit assembly line, which is characterized in that it includes:

Gear set machine (10), the gear set machine (10) is used to install the gear (7) on the axle (4);

A wheel cover machine (20), the wheel cover machine (20) and the gear cover machine (10) are spaced apart, and the wheel cover machine (20) is used to mount the wheel (3) to the gear (10). 7) on the axle (4);

An assembling elevator (30), the assembling elevator (30) is arranged on the side of the wheel setter (20) away from the gear boxer (10), the assembling elevator (30) includes a wheel elevator assembly (200) , A gear box lifting assembly (210) and a motor lifting assembly (220), the wheel lifting assembly (200) is used to lift the wheel (3) installed on the axle (4), and the gear box lifting The assembly (210) and the motor lifting assembly (220) are used to lift the gear box (5) and the motor (6), respectively, to wait for the gear box (5) and the motor (6) to be mounted on the axle (4), and assembled into the electric locomotive drive unit (1).
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the gear set machine (10) and the wheel set machine (20) each include a set assembly (400), and the set assembly (400) include:

A fixed lifting mechanism (410), the fixed lifting mechanism (410) includes a fixed frame (411) and a first driving part (412), the fixed frame (411) is used to support the gear (7) or the wheel (3) The first driving part (412) is drivingly connected with the fixing frame (411) to drive the fixing frame (411) to move in a vertical direction;

The first walking mechanism (420), the first walking mechanism (420) is connected with the fixed lifting mechanism (410), and the first walking mechanism (420) is movably arranged in the horizontal direction to drive the The fixed lifting mechanism (410) moves in the horizontal direction;

Wherein, the sleeve components (400) are arranged in pairs, the two sleeve components (400) arranged in pairs are arranged oppositely, and the axle (4) is placed between the two sleeve components (400) , So that when the two first walking mechanisms (420) are relatively close, the gears (7) and counterweight wheels on the two fixing frames (411) are sleeved on the axles (4), or The two wheels (3) on the two fixing frames (411) are sleeved on the axle (4).
The electric locomotive wheel drive unit assembly line according to claim 2, wherein the gear set machine (10) and the wheel set machine (20) further comprise a set transfer vehicle (430), and the set transfer vehicle ( 430) and the two package components (400) are arranged at intervals, and the package transfer vehicle (430) includes:

A support arm opening and closing mechanism (431), the support arm opening and closing mechanism (431) includes a support arm (4311), and the support arm (4311) is used to support the axle (4);

The second walking mechanism (432), the second walking mechanism (432) is connected with the arm opening and closing mechanism (431), and the second walking mechanism (432) is movably arranged in the horizontal direction to drive The arm opening and closing mechanism (431) moves in the horizontal direction and transfers the axle (4) between the two sleeve components (400), and the moving direction of the first walking mechanism (420) is vertical In the moving direction of the second walking mechanism (432).
The electric locomotive wheel drive unit assembly line according to claim 3, wherein the wheel set machine (20) further comprises:

A wheel set elevator (440), the wheel set elevator (440) is arranged between the two set components (400), the wheel set elevator (440) includes a wheel support plate (441), the wheel support plate (441) It is arranged under the axle (4) on which the wheel (3) is sheathed, and is used to lift the wheel (3);

Wherein, the wheel support plate (441) is movably arranged in the vertical direction to drive the wheel (3) to drive the axle (4) to leave the support arm (4311).
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the wheel lifting assembly (200) comprises a lifting frame (201) and a wheel lifting part (202) arranged on the lifting frame (201) ), the wheel lifting portion (202) is used to contact the wheel (3), and the lifting frame (201) is movably arranged in the vertical direction to pass the wheel lifting portion (202) Drive the wheels (3) to move;

The gear box lifting assembly (210) includes a gear box platform top plate (211), the gear box platform top plate (211) is used to place the gear box (5), and the gear box platform top plate (211) runs along the vertical The direction is movably set to drive the gear box (5) to move;

The motor lifting assembly (220) includes a motor platform top plate (221), the motor platform top plate (221) is used to place the motor (6), the motor platform top plate (221) is movably arranged in the vertical direction , To drive the motor (6) to move;

Wherein, the wheel lifting portion (202), the gearbox platform top plate (211) and the motor platform top plate (221) are all arranged at intervals.
The electric locomotive wheel drive unit assembly line according to claim 1, characterized in that, the electric locomotive wheel drive unit assembly line further comprises an axle box vertical assembly elevator (40), and the axle box vertical assembly elevator (40) ) Is arranged between the gear set machine (10) and the wheel set machine (20), and the axle-holding box vertical assembly elevator (40) includes:

Support frame (300);

A lifting member (310), the lifting member (310) is movably arranged relative to the support frame (300), the lifting member (310) includes a bearing platform (311), and the bearing platform (311) ) Is used to support the axle (4) to be mounted on the axle (4) with the gear (7) installed on the axle-holding box, and an escape space (312) is provided on the carrying platform (311) , The avoidance space (312) is used for the axle (4) to pass through;

A power lifting mechanism (320), the power lifting mechanism (320) is located below the carrying platform (311), and is drivingly connected with the lifting member (310) to drive the lifting member (310) to drive The axle (4) moves;

Wherein, the lifting member (310) further includes an accommodation space (313), and the accommodation space (313) is in communication with the avoiding space (312), so that a part of the axle (4) is located in the accommodation space (313). Inside the space (313).
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the electric locomotive wheel drive unit assembly line further comprises a running-in test bench (50), and the running-in test bench (50) is set in the assembly The side of the elevator (30) far away from the wheel set machine (20), and the running-in test bench (50) includes:

A substrate (100), on which a receiving groove (101) is provided;

An elevating platform (110), the elevating platform (110) is used to support the electric locomotive drive unit (1), the elevating platform (110) is movably arranged along the height direction of the containing groove (101), To have a first position flush with the notch of the receiving groove (101) and a second position located inside the receiving groove (101);

Running-in test bench (120), the running-in test bench (120) is arranged in the receiving groove (101), the running-in test bench (120) includes a support seat (121), the support seat ( 121) Used to connect with the axle box (2) of the electric locomotive drive unit (1);

Wherein, when the lifting platform (110) is located in the first position, the support seat (121) is separated from the axle box (2), and when the lifting platform (110) is located in the second position At this time, the support seat (121) is connected with the axle box (2) to perform a running-in test on the electric locomotive drive unit (1).
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the electric locomotive wheel drive unit assembly line further comprises an assembly manipulator (60), and the assembly manipulator (60) comprises:

A main track (500), the gear set machine (10) and the wheel set machine (20) are arranged in sequence along the extension direction of the main track (500);

A cross beam (510), the cross beam (510) is movably disposed on the main rail (500), the cross beam (510) includes a cross beam rail (511), and the extension direction of the main rail (500) is perpendicular to The extending direction of the beam rail (511);

A sliding plate (520), the sliding plate (520) is arranged on the beam track (511);

A transverse running mechanism (530), the transverse running mechanism (530) is connected to the slide plate (520), and is movably arranged relative to the beam rail (511) to drive the slide plate (520) Move along the beam track (511);

A lifting mechanism (540), the lifting mechanism (540) is connected to the sliding plate (520), the lifting mechanism (540) includes a ram (541), the ram (541) is opposed in a vertical direction Movably arranged on the sliding plate (520);

A picking mechanism (550), the picking mechanism (550) is connected to the ram (541), the picking mechanism (550) includes a clamping claw member, the clamping claw member is opposite to the ram (541) Adjustable position setting;

Wherein, the clamping claw member is used to claw the axle (4), the wheel (3), the gear (7) or the axle (4) equipped with the gear (7).
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the electric locomotive wheel drive unit assembly line further comprises a polishing conveyor line (70), and the polishing conveyor line (70) is arranged on the gear set machine (10) On the side away from the wheel set machine (20), the polishing conveyor line (70) includes:

A first conveying line (71), the first conveying line (71) is used to convey the gear (7), so that the gear (7) is polished on the first conveying line (71);

The second conveying line (72), the second conveying line (72) and the first conveying line (71) are arranged side by side, and the second conveying line (72) is used to convey the wheels (3) so that the The wheels (3) are polished on the second conveyor line (72);

The first rotating mechanism (73), the first rotating mechanism (73) is arranged on the first conveying line (71), and is located in the middle of the first rotating mechanism (73), the first rotating mechanism (73) Used to drive the gear (7) to rotate 180°;

The second rotating mechanism (74), the second rotating mechanism (74) is arranged on the second conveying line (72) and located in the middle of the second rotating mechanism (74), the second rotating mechanism (74) is used to drive the wheel (3) to rotate 180°.
The electric locomotive wheel drive unit assembly line according to claim 1, wherein the electric locomotive wheel drive unit assembly line further comprises:

A ground rail (80), the ground rail (80) extends along a preset trajectory, and at least part of the assembly elevator (30) is arranged below the ground rail (80) so that the wheels (3) can drive The axle (4) moves along the ground rail (80) to the wheel lifting assembly (200).