CN213771176U

CN213771176U - Motor train unit overhauling platform

Info

Publication number: CN213771176U
Application number: CN202022597444.1U
Authority: CN
Inventors: 黎莎; 石磊
Original assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Current assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-23
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a motor train unit overhaul platform, which belongs to the technical field of railways and comprises an overhaul factory building, a vehicle body supporting device, a position adjusting device and a bogie lifting device, wherein the overhaul factory building is provided with a space capable of accommodating a motor train unit; the train body supporting device comprises a plurality of supporting trolleys arranged at intervals along the length direction of the motor train unit, and the supporting trolleys can support two sides of a train body of the motor train unit; the position adjusting device is positioned in the overhaul workshop, and the support trolley is arranged on the position adjusting device and can move along the length direction of the motor train unit; and the bogie lifting device is positioned below the motor train unit and can drive the bogie to lift. The utility model discloses EMUs that can compatible multiple model have reduced the difficulty of land construction, have reduced the cost.

Description

Motor train unit overhauling platform

Technical Field

The utility model relates to a railway technology field especially relates to a EMUs overhaul platform.

Background

After the running of the motor train unit reaches a certain mileage, the motor train unit needs to carry out three-stage repair work at a motor train unit overhaul platform, and the main work of the three-stage repair is to replace a bogie and wheel pairs of the motor train unit.

The existing equipment for replacing the bogie and the wheel set of the maintenance platform is a fixed car lifting jack, the fixed car lifting jack is installed below the ground, the main structure of the fixed car lifting jack is a bogie lifting unit and a car body lifting unit, the bogie lifting unit is located below the bogie and used for lifting the whole motor train unit, and the car body lifting unit is located on two sides of the bogie lifting unit and used for jacking a lifting point and lifting the car body of the motor train unit.

The working process of the fixed car lifting jack is as follows: the motor train unit stops at an overhaul position, the whole motor train unit is lifted to a fixed height by the bogie lifting unit, the motor train unit is lifted by the vehicle body lifting unit to support the motor train unit, a worker disassembles the connecting part of the bogie and the vehicle body, the bogie lifting unit drives the bogie to fall to the ground, the bogie to be overhauled is withdrawn to other overhaul zones along the track, a new bogie and a new wheel set are replaced, the bogie is lifted to the fixed height by the bogie lifting unit, the worker connects the bogie and the motor train unit, the motor train unit is retracted to the ground, and the whole motor train unit is lifted by the bogie lifting unit to fall to the ground.

The motor train unit of the overhauling platform must stop at a fixed position, the vehicle body lifting unit can lift to the position of a vehicle lifting point of the vehicle body, the positions of the vehicle lifting points on the motor train units of different models are different, so that the fixed vehicle lifting machines of different vehicle types are different, the fixed vehicle lifting machines are generally compatible with two or three similar vehicle types, meanwhile, the vehicle body lifting units of different vehicle types are different in underground pit positions, and if the motor train unit overhauling platform compatible with multiple vehicle types needs to be built, civil engineering construction is difficult, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a EMUs overhaul platform to solve the EMUs that exists among the prior art and overhaul the technical problem that the platform can not compatible multiple EMUs motorcycle type.

As the conception, the utility model adopts the technical proposal that:

a EMUs overhaul platform includes:

the maintenance workshop is provided with a space capable of accommodating the motor train unit;

the train body supporting device comprises a plurality of supporting trolleys arranged at intervals along the length direction of the motor train unit, and the supporting trolleys can support two sides of a train body of the motor train unit;

the position adjusting device is positioned in the overhaul workshop, and the support trolley is arranged on the position adjusting device and can move along the length direction of the motor train unit;

and the bogie lifting device is positioned below the motor train unit and can drive the bogie to lift.

Further, the supporting trolley comprises a supporting portion and an adjusting portion, the supporting portion is provided with a supporting rod capable of moving along the width direction of the motor train unit to abut against the side portion of the train body, and the adjusting portion can drive the supporting portion to move along the height direction of the motor train unit.

Further, the supporting part further comprises a supporting seat, the supporting seat is fixedly connected with the adjusting part, and the supporting rod is connected with the supporting seat in a sliding mode.

Furthermore, grooves are formed in two sides of the supporting seat, idler wheels are arranged on two sides of the supporting rod, and the idler wheels can roll in the grooves.

Further, the adjusting portion comprises a moving rod and a first guide seat which are in sliding connection, the moving rod is fixedly connected with the supporting seat, the first guide seat is provided with a guide groove, and the moving rod is in sliding fit with the guide groove.

Further, the movable rod is a cuboid, and the guide groove is rectangular.

Further, the supporting trolley further comprises an outer shell and a second guide seat, the first guide seat is fixedly connected with the outer shell, the second guide seat is slidably connected with the outer shell, and the supporting seat is fixedly connected with the second guide seat.

Further, the support trolley comprises double rows of rollers, the position adjusting device comprises a fixed rolling way arranged along the length direction of the motor train unit, and the double rows of rollers can roll along the fixed rolling way.

Further, the position adjusting device further comprises a support column, a platform and a suspension column which are sequentially connected from bottom to top, the bottom end of the support column is fixedly connected with the ground, the fixed roller path is arranged on the platform, and the top end of the suspension column is fixedly connected with the top of the overhaul workshop.

Furthermore, the support column with the suspension post all is provided with a plurality ofly, and it is adjacent be provided with one between the suspension post the support column.

The utility model has the advantages that:

the utility model provides a EMUs overhaul platform, EMUs get into in the space of overhauing the factory building, bogie lifting device lifts up bogie and automobile body from the below of EMUs, be located the both sides that a plurality of support dollies of EMUs both sides supported the automobile body, the staff disassembles bogie and car body connection part, bogie lifting device descends, make bogie and automobile body break away from, change behind the bogie, bogie lifting device drives the bogie after changing and rises, the staff is with bogie and car body connection, support the both sides that the dolly breaks away from the automobile body, remove the support, bogie lifting device descends, drive bogie and automobile body decline, realize changing the bogie. The supporting trolley can move on the position adjusting device along the length direction of the motor train unit so as to adapt to motor train units of different models. The utility model discloses need not be located the required hole position of automobile body lifting unit and automobile body lifting unit of EMUs below, can realize the support to the automobile body when changing the bogie, EMUs that simultaneously can compatible multiple model have reduced the difficulty of land construction, have reduced the cost.

Drawings

FIG. 1 is a front view of a motor train unit overhaul platform provided by the present invention;

FIG. 2 is a schematic structural view of a supporting trolley of the maintenance platform of the motor train unit provided by the present invention;

FIG. 3 is a schematic view of a part of the structure of the supporting trolley of the maintenance platform of the motor train unit;

FIG. 4 is a schematic view of a part of the structure of the supporting trolley of the overhauling platform of the motor train unit;

FIG. 5 is an enlarged view at A in FIG. 1;

fig. 6 is the utility model provides a EMUs overhauls position control device's of platform left side view.

In the figure:

10. a motor train unit;

1. overhauling the plant;

2. supporting the trolley; 21. a support portion; 211. a support bar; 212. a supporting seat; 22. an adjustment section; 221. a travel bar; 222. a first guide seat; 23. an outer housing; 24. a second guide seat; 25. double rows of rollers;

3. a position adjustment device; 31. fixing the raceway; 32. a support pillar; 33. a platform; 34. suspending the column;

4. bogie lifting device.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 6, the embodiment of the utility model provides a EMUs overhauls platform for change the bogie of EMUs.

The motor train unit overhauling platform comprises an overhauling plant 1, a vehicle body supporting device, a position adjusting device 3 and a bogie lifting device 4, wherein the overhauling plant 1 is provided with a space capable of containing the motor train unit 10, the vehicle body supporting device comprises a plurality of supporting trolleys 2 which are arranged along the length direction of the motor train unit 10 at intervals, the supporting trolleys 2 are used for supporting two sides of a vehicle body of the motor train unit 10, and the position adjusting device 3 is positioned in the overhauling plant 1 and used for supporting the trolleys 2 to move along the length direction of the motor train unit 10. The bogie lifting device 4 is located below the motor train unit 10 and used for driving the bogie to lift.

Referring to fig. 2 and 3, the supporting trolley 2 includes a supporting portion 21 and an adjusting portion 22, the supporting portion 21 has a supporting rod 211 capable of moving in the width direction of the motor train unit 10 to abut against the side portion of the motor train unit 10, so as to support the motor train unit, the adjusting portion 22 can drive the supporting portion 21 to move in the height direction of the motor train unit 10, and the adjusting portion 22 adjusts the height of the supporting portion 21, so that the supporting rod 211 can abut against the side portion of the motor train unit 10 of different models, so as to support the motor train units 10 of different models.

The supporting portion 21 further comprises a supporting seat 212, the supporting seat 212 is fixedly connected with the adjusting portion 22, the supporting of the adjusting portion 22 on the supporting seat 212 is achieved through fixed connection, the supporting seat 212 moves along the height direction of the motor train unit 10, the supporting rod 211 is connected with the supporting seat 212 in a sliding mode, the adjusting portion 22 drives the supporting seat 212 and the supporting rod 211 to move along the height direction of the motor train unit 10, the supporting rod 211 can move along the width direction of the motor train unit 10, and the supporting rod 211 can abut against the supporting positions of the two sides of the motor train unit 10.

The two sides of the supporting seat 212 are provided with grooves, the two sides of the supporting rod 211 are provided with rollers, the rollers can roll in the grooves, the friction force of rolling connection is small, and the damage of the contact position of the supporting rod 211 and the supporting seat 212 during relative movement is reduced.

The support trolley 2 further comprises an outer shell 23, and the outer shell 23 is fixedly connected with the adjusting part 22 to support the adjusting part 22.

Referring to fig. 4, the adjusting portion 22 includes a moving rod 221 and a first guide seat 222 that are slidably connected, the moving rod 221 is fixedly connected with the support base 212, the first guide seat 222 has a guide groove, and the moving rod 221 is in sliding fit with the guide groove, so that the support portion 21 moves along the height direction of the motor train unit 10, and the adjusting portion has a simple structure and high adjusting accuracy.

Specifically, the movable rod 221 is a rectangular parallelepiped, the guide groove is rectangular, the structure is simple, the processing is convenient, the guiding performance of the rectangular groove is good, and compared with a circular groove, the rotary motion cannot occur, that is, the support seat 212 cannot be rotated.

The first guide seat 222 is fixedly connected to the outer housing 23, and the outer housing 23 supports the first guide seat 222 so as to support the moving rod 221 and the supporting portion 21.

Referring to fig. 2, the support cart 2 further includes a second guide seat 24, the second guide seat 24 is slidably connected to the outer housing 23, the support seat 212 is fixedly connected to the second guide seat 24, and the second guide seat 24 supports the support seat 212, so as to distribute the stress of the movable rod 221.

Specifically, first guide holder 222 is located the one end that supporting seat 212 is close to the middle part of overhauing factory building 1, and second guide holder 24 is located the one end that supporting seat 212 kept away from the middle part of overhauing factory building 1, and first guide holder 222 and second guide holder 24 are located the both ends of supporting seat 212 respectively, have guaranteed that supporting seat 212 can not take place the swing in the motion process, have realized the stable elevating movement of supporting seat 212.

Referring to fig. 5, the position adjusting device 3 includes a fixed raceway 31 arranged along the length direction of the motor train unit 10, the support trolley 2 includes a double-row roller 25, the double-row roller 25 can roll along the fixed raceway 31, the movement of the support trolley 2 along the length direction of the motor train unit 10 is realized, so as to realize the support of the motor train units 10 with different lengths, the rolling connection friction is small, and the double-row roller 25 and the fixed raceway 31 are not easily damaged.

Referring to fig. 1 and 6, the position adjusting device 3 further includes a supporting column 32, a platform 33 and a suspension column 34, which are sequentially connected from bottom to top, the bottom end of the supporting column 32 is fixedly connected with the ground, the fixed raceway 31 is disposed on the platform 33, the top end of the suspension column 34 is fixedly connected with the top of the overhaul factory building 1, the supporting column 32 and the suspension column 34 support the platform 33 in a matching manner, and the support trolley 2 moves along the fixed raceway 31 on the platform 33.

The supporting column 32 is located at one end of the supporting trolley 2 far away from the bogie lifting device 4, the suspension column 34 is located at one end of the supporting trolley 2 close to the bogie lifting device 4, when the supporting trolley 2 supports the trolley body, one end of the supporting trolley 2 close to the bogie lifting device 4 is subjected to a larger downward force, and the suspension column 34 is located at one end of the supporting trolley 2 close to the bogie lifting device 4, so that the platform 33 is guaranteed against being damaged and turned on the side, namely the stability of the position adjusting device 3 is improved.

Referring to fig. 6, a plurality of support columns 32 and suspension columns 34 are provided, one support column 32 is provided between adjacent suspension columns 34, and the suspension columns 34 and the support columns 32 are alternately arranged to increase the stability of the platform 33 and prevent the platform 33 from being deformed or damaged.

Specifically, the supporting column 32 arranged between the adjacent suspension columns 34 is located in the middle of the adjacent suspension columns 34, the structure is stable, and the stress of the platform 33 is more uniform.

In conclusion, the motor train unit 10 enters the space of the overhaul factory building 1, the bogie lifting device 4 lifts the bogie and the train body from the lower part of the motor train unit 10, and the plurality of supporting trolleys 2 move to proper positions on the fixed roller path 31 to adapt to the type of the train needing to replace the bogie.

The supporting rod 211 moves towards the train body on the supporting seat 212, when the supporting rod is close to the train body, the moving rod 221 drives the supporting portion 21 to move to a proper position and stop at the first guide seat 222 along the height direction of the motor train unit 10, the supporting rod 211 continues to be close to the train body, meanwhile, the moving rod 221 is matched and adjusted until the supporting rod 211 is abutted to the train body to stop adjusting, the support for the train body is achieved, a worker disassembles a connecting portion of the bogie and the train body, the bogie lifting device 4 descends, and the bogie is replaced.

The bogie lifting device 4 drives the replaced bogie to ascend, the bogie is connected with the vehicle body, the bogie lifting device 4 supports the vehicle body and the bogie, the moving rod 221 moves downwards for a small distance, the supporting rod 211 rolls in the direction far away from the vehicle body to remove the support, the bogie lifting device 4 descends to drive the bogie and the vehicle body to descend, and the replacement of the bogie is achieved.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a EMUs overhaul platform which characterized in that includes:

the motor train unit maintenance system comprises an overhaul workshop (1) and a motor train unit (10) maintenance system, wherein the overhaul workshop has a space capable of accommodating the motor train unit (10);

the train body supporting device comprises a plurality of supporting trolleys (2) arranged at intervals along the length direction of the motor train unit (10), and the supporting trolleys (2) can support two sides of a train body of the motor train unit (10);

the position adjusting device (3) is positioned in the overhaul workshop (1), and the support trolley (2) is arranged on the position adjusting device (3) and can move along the length direction of the motor train unit (10);

and the bogie lifting device (4) is positioned below the motor train unit (10) and can drive the bogie to lift.

2. The motor train unit overhaul platform of claim 1, wherein the support trolley (2) comprises a support portion (21) and an adjusting portion (22), the support portion (21) is provided with a support rod (211) capable of moving in the width direction of the motor train unit (10) to abut against the side portion of the motor train unit body, and the adjusting portion (22) can drive the support portion (21) to move in the height direction of the motor train unit (10).

3. The motor train unit overhaul platform of claim 2, wherein the support portion (21) further comprises a support seat (212), the support seat (212) is fixedly connected with the adjustment portion (22), and the support rod (211) is slidably connected with the support seat (212).

4. The motor train unit overhaul platform of claim 3, wherein grooves are formed in two sides of the supporting seat (212), and rollers are arranged on two sides of the supporting rod (211) and can roll in the grooves.

5. The multiple unit service platform of claim 3, wherein the adjusting portion (22) comprises a sliding-connected moving rod (221) and a first guide seat (222), the moving rod (221) is fixedly connected with the support seat (212), the first guide seat (222) is provided with a guide groove, and the moving rod (221) is in sliding fit with the guide groove.

6. The multiple unit service platform of claim 5, wherein the moving rod (221) is a rectangular parallelepiped, and the guide slot is a rectangular shape.

7. The motor train unit overhaul platform of claim 5, wherein the support trolley (2) further comprises an outer shell (23) and a second guide seat (24), the first guide seat (222) is fixedly connected with the outer shell (23), the second guide seat (24) is slidably connected with the outer shell (23), and the support seat (212) is fixedly connected with the second guide seat (24).

8. The motor train unit overhaul platform of claim 1, wherein the support trolley (2) comprises a double row of rollers (25), and the position adjustment device (3) comprises a fixed raceway (31) arranged along a length direction of the motor train unit (10), wherein the double row of rollers (25) can roll along the fixed raceway (31).

9. The motor train unit overhauling platform according to claim 8, wherein the position adjusting device (3) further comprises a supporting column (32), a platform (33) and a suspension column (34) which are sequentially connected from bottom to top, the bottom end of the supporting column (32) is fixedly connected with the ground, the fixed roller path (31) is arranged on the platform (33), and the top end of the suspension column (34) is fixedly connected with the top of the overhauling plant (1).

10. The multiple unit service platform of claim 9, wherein a plurality of the support columns (32) and the suspension columns (34) are provided, and one support column (32) is provided between adjacent suspension columns (34).