CN211543526U - Movable railway comprehensive operation vehicle - Google Patents
Movable railway comprehensive operation vehicle Download PDFInfo
- Publication number
- CN211543526U CN211543526U CN201921372250.2U CN201921372250U CN211543526U CN 211543526 U CN211543526 U CN 211543526U CN 201921372250 U CN201921372250 U CN 201921372250U CN 211543526 U CN211543526 U CN 211543526U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- auxiliary
- main
- car
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a movable railway combined operation car, including main car and auxiliary car, the main car includes main car frame (5), the auxiliary car includes auxiliary car framework (13), workshop (7), and auxiliary car framework (13) tip is equipped with auxiliary car cab (15), and the ceiling below of workshop (7) is provided with flexible roof beam, flexible roof beam lower part is provided with first crane (6), second crane (9), flexible roof beam other end be located auxiliary car cab (15) one end and with auxiliary car framework (13) between fixed connection, auxiliary car framework (13) are connected with main car frame (5) through connecting rod (12). The utility model discloses a set up the connection structure between main car and the auxiliary vehicle, realize the technical effect of the fast switch-over between the high-speed operation operating mode of vehicle and the operation operating mode and continuity of operation, can accomplish the maintenance work of railway rail or railway roadbed comprehensively, high-efficient, fast.
Description
Technical Field
The utility model relates to a railway rails's construction rolling stock especially relates to a movable railway combined operation car.
Background
The conventional railway line in China has long mileage, the maintenance operation of the railway line is various, such as tamping, cleaning, rail changing, rail welding and the like, various maintenance operations need to be completed by different operation vehicles, and the operation flows of the different operation vehicles are different.
Chinese utility model patent No. ZL201521087862.9 discloses a railway maintenance operation transport vechicle, this utility model provides a railway maintenance operation transport vechicle, include: the bogie comprises a bogie, an underframe arranged at the top of the bogie, and a vehicle body arranged on the underframe; the vehicle body comprises a side wall and a ceiling formed at the top of the side wall, and the side wall and the ceiling enclose a vehicle body inner space; a partition wall with a flame retardant function is further arranged on the underframe and in the side wall, and divides the inner space of the vehicle body into a tool room for accommodating tools and an oil room for accommodating oil; the side wall is also provided with an electric element assembly. The utility model discloses a railway maintenance operation transport vechicle divides the instrument into through enclosing lateral wall and ceiling into the internal space of automobile body and utilizes the partition wall that has fire-retardant function and between and the oil, has effectively distinguished the position of placing between the different instrument oils, is convenient for clear up and seek the use, has improved work efficiency, still is favorable to the guarantee operation safety. However, the utility model discloses a connection structure between main car and auxiliary vehicle and the main and auxiliary car is not set up, therefore can't realize the high-speed fast switch-over of operating mode different states of vehicle, can't realize vehicle continuity of operation's technological effect. Thus, improvements are still needed.
The Chinese invention patent with the patent number ZL201810738020.7 discloses a railway tunnel maintenance vehicle set, belongs to the technical field of tunnel disease improvement construction equipment, and comprises a first tractor; the material vehicle is connected with the first tractor and used for placing materials for maintaining the railway tunnel; the operation vehicle is connected with the material vehicle and comprises an operation vehicle frame, an operation arm support arranged on the vehicle frame and a power station for providing power for the operation arm support; and a second tractor connected to the work vehicle; the first tractor and the second tractor are respectively arranged at two ends of the railway tunnel maintenance vehicle set, and the traction advancing directions are opposite. The invention can comprehensively solve various problems of the railway tunnel, has reasonable arrangement and diversified operation functions, and can efficiently and quickly finish the reinforcement and the renovation of the tunnel section within limited time. However, the present invention does not have a connection structure between the main vehicle and the auxiliary vehicle and between the main vehicle and the auxiliary vehicle, so that the rapid switching between the high-speed operation condition of the vehicle and the different states of the operation condition cannot be realized, the technical effect of the continuous operation of the vehicle cannot be realized, and the present invention is only suitable for the maintenance of the railway tunnel, and therefore, the improvement is still needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defect that above-mentioned current railway maintenance operation transport vechicle and railway tunnel maintenance car group exist, the utility model discloses a technical scheme specifically as follows:
a movable railway comprehensive operation vehicle comprises a main vehicle and an auxiliary vehicle, wherein the main vehicle comprises a main vehicle frame, one end of the main vehicle frame is provided with a main vehicle cab, the upper part of the main vehicle frame is fixedly provided with a traveling steel rail, and the lower part of the main vehicle frame is sequentially provided with a driving bogie, a main vehicle power transmission system, a vehicle-mounted tool and a driven bogie from left to right; the auxiliary vehicle comprises an auxiliary vehicle framework and a workshop, an auxiliary vehicle cab is arranged at the end part of the auxiliary vehicle framework, a walking driving part is arranged at the lower part of the auxiliary vehicle framework, a telescopic beam is arranged below a ceiling of the workshop, a first crane and a second crane are arranged at the lower part of the telescopic beam, and the workshop covers the upper part of the main vehicle frame during a non-operation state.
Preferably, the workshop includes a front wall, a rear wall, a left wall, a right wall and a top surface, thereby forming a relatively closed space.
In any of the above schemes, preferably, the front wall of the workshop is movably connected with the right wall or the left wall, so that the workshop can slide out, the front wall, the rear wall, the left wall and the right wall are all telescopic and foldable, and the side walls can be opened or closed according to actual operation requirements.
In any of the above schemes, preferably, the auxiliary vehicle includes an auxiliary vehicle cab, one end of the telescopic beam is located at one end of the auxiliary vehicle cab and is fixedly connected with the auxiliary vehicle frame, the auxiliary vehicle frame is connected with the main vehicle frame through a connecting rod, the connecting rod is connected with the auxiliary vehicle frame through a first pin shaft and a telescopic oil cylinder, and the end does not need to be detached.
In any of the above schemes, preferably, the auxiliary vehicle includes a portal, the other end of the telescopic beam is connected with the main vehicle cab through a spherical hinge, the portal falls on the traveling steel rail on the main vehicle frame through traveling wheels, and the spherical hinge enables the portal to adapt to the deflection of the working shop in the sliding process when the portal is in a curve section or a slope section of a railway line.
In any of the above schemes, preferably, the gantry of the auxiliary vehicle is provided with a running driving component with a brake, and the auxiliary vehicle can be driven or braked to run independently.
In any of the above schemes, preferably, the connecting rod is connected with the main vehicle frame through a second pin and a mounting support thereof, the mounting support is divided into an upper support and a lower support, the upper support and the lower support are connected through a cylinder, and the upper support and the lower support are opened or closed through the expansion and contraction of the cylinder to release or lock the fixed constraint between the main vehicle and the auxiliary vehicle, so that the main vehicle and the auxiliary vehicle can move or stand still relatively. When the main vehicle is in a non-operation state, the cylinder is compressed, the mounting support is closed, the telescopic oil cylinder extends, and the connecting rod is connected with the main vehicle frame and the auxiliary vehicle frame to ensure that the main vehicle and the auxiliary vehicle are in a linkage state; when the main vehicle is in an operation state, the cylinder extends, the mounting support is opened, the telescopic oil cylinder compresses to lift the connecting rod, so that the connection between the main vehicle and the auxiliary vehicle is unlocked, and the main vehicle and the auxiliary vehicle can move relatively.
In any of the above solutions, it is preferable that the movable railway combined working vehicle forms the working shop covering a working area in a manner that the main vehicle is fixed and the auxiliary vehicle runs, or forms the working shop covering a working area in a manner that the auxiliary vehicle is fixed and the main vehicle runs, or forms the movable working shop covering a working area in a manner that the main vehicle runs and the auxiliary vehicle runs at a speed different from the running speed of the main vehicle.
In any of the above aspects, preferably, the rear lower portion of the main frame and the lower portion of the sub-frame are provided with hydraulic legs.
In any of the above schemes, preferably, the front end of the main frame and the front end of the auxiliary frame are both provided with a coupler, so that coupling is facilitated.
Compared with the prior art, the utility model beneficial effect be: the utility model discloses an ingenious connection structure design between main car and the auxiliary vehicle to realize the fast switch-over of different states between the high-speed operating condition of vehicle and the operation operating mode, can realize continuity of operation's technological effect simultaneously, the utility model discloses can be comprehensive, high-efficient, accomplish the maintenance work of railway rail or railway roadbed fast. Particularly, the utility model discloses have following several beneficial effects: (1) after the whole vehicle arrives at a working area, the working state can be simply and quickly switched to be a working state, an independent operation workshop which completely covers the working area is formed, corresponding operation is completed in the operation workshop through a crane and corresponding working machines carried by the working workshop, the operation can be quickly switched to be in a high-speed operation state after the operation is completed, the whole switching process is simple and quick, the operation can be completed only by operating corresponding control switches, complicated alignment and special fixing and fastening measures are not needed, and the automation degree and the operation efficiency are high. (2) When the operation needs jack-up whole car, if weld the rail operation, the utility model discloses the independent job shop who forms need not jack-up whole car and can satisfy and weld rail operation demand, and need not to consider the operation and accomplish the back and take turns to the problem of going into the rail, strong adaptability. (3) The utility model discloses both can satisfy the operation operating mode of immobilization, also can satisfy continuous operation's operation operating mode, and can carry out quick free switch between these two kinds of operation operating modes. (4) The utility model discloses can withdraw the operation scene fast under the condition of not receiving the car, the safety is high in the application.
Drawings
Fig. 1 is a schematic view of the overall layout of a movable railway comprehensive working vehicle according to a preferred embodiment of the present invention, and the side wall of the working shop is not shown.
Fig. 2 is a schematic structural view of a main frame of the movable railway integrated operation vehicle according to the present invention.
Fig. 3 is a perspective view of a preferred embodiment of a connecting rod in the mobile railway complex work vehicle according to the present invention.
Fig. 4 is a schematic view of a preferred embodiment of a connecting rod connecting structure of a main car and a secondary car in a non-operation state in the movable railway comprehensive operation car according to the present invention.
Fig. 5 is a perspective view of a preferred embodiment of a connecting rod and main car frame end connecting structure of the movable railway comprehensive operation car when the main car and the auxiliary car are in a non-operation state.
Fig. 6 is a perspective view of the main car and the auxiliary car in the movable railway comprehensive operation car when the connecting rod is lifted up in the operation state according to the utility model.
Fig. 7 is a left side view of the movable railway integrated working vehicle shown in fig. 6 when the main vehicle and the auxiliary vehicle are lifted up in the working state.
Fig. 8 is a perspective view of the movable railway comprehensive operation vehicle, wherein the main vehicle and the auxiliary vehicle are connected with the auxiliary vehicle frame end through the connecting rod.
Fig. 9 is a schematic view of the sliding process of the workshop in the embodiment of fig. 1 of the movable railway integrated working vehicle according to the present invention, wherein the side wall part of the workshop is not shown.
Fig. 10 is a schematic view of the working state of the workshop according to the embodiment of the movable railway combined working vehicle shown in fig. 1, wherein the side wall part of the workshop is not shown.
Description of reference numerals:
1, coupler; 2, a main driver cab; 3, an active bogie; 4, a door frame; 5 main frame; 6 a first crane; 7, a workshop; 8, a main vehicle power transmission system and a vehicle-mounted tool; 9 a second crane; 10 driven bogie; 11 hydraulic support legs; 12 connecting rods; 13 auxiliary frame; 14 a running drive part; 15 auxiliary vehicle cab; 16 connecting pieces; 201 running wheels; 202 a gantry frame; 203, spherical hinge; 204 running drive means with braking; 301 air cylinder; 302 a second pin; 303 a first pin; 304 telescopic oil cylinders; 305 mounts a support.
Detailed Description
The preferred technical solution of the mobile railway integrated working vehicle is described in detail below with reference to fig. 1 to 10:
a movable railway comprehensive operation vehicle comprises a main vehicle and an auxiliary vehicle, wherein the main vehicle comprises a main vehicle frame 5, one end of the main vehicle frame 5 is provided with a main vehicle cab 2, the upper part of the main vehicle frame 5 is fixedly provided with a traveling steel rail, and the lower part of the main vehicle frame 5 is provided with a driving bogie 3, a main vehicle power transmission system, a vehicle-mounted tool 8 and a driven bogie 10; the auxiliary vehicle comprises an auxiliary vehicle framework 13 and a working workshop 7 (the side wall part of the working workshop is not shown in the figure), an auxiliary vehicle driver cab 15 is arranged at the end part of the auxiliary vehicle framework 13, a walking driving part 14 is arranged at the lower part of the auxiliary vehicle framework 13, a telescopic beam is arranged below the ceiling of the working workshop 7, a first crane 6 and a second crane 9 are arranged at the lower part of the telescopic beam, and the working workshop 7 covers the upper part of the main vehicle frame 5 in a non-operation state.
The auxiliary vehicle comprises an auxiliary vehicle cab 15, one end of the telescopic beam is located at one end of the auxiliary vehicle cab 15 and is fixedly connected with an auxiliary vehicle framework 13, the auxiliary vehicle framework 13 is connected with the main vehicle frame 5 through a connecting rod 12, the connecting rod 12 is connected with the auxiliary vehicle framework 13 through a first pin shaft 303 and a telescopic oil cylinder 304, and the end does not need to be detached.
The auxiliary vehicle comprises a portal frame 4, the other end of the telescopic beam is connected with the main vehicle cab 2 through a spherical hinge 203, the portal frame 4 falls on the walking steel rail on the main vehicle frame 5 through walking wheels 201, and the spherical hinge 203 enables the portal frame 4 to be adaptive to the deflection of the working shop 7 in the sliding process when the railway line curve section or the slope section is formed.
The connecting rod 12 is connected with the main vehicle frame 5 through a second pin shaft 302 and a mounting support 305 thereof, the mounting support 305 is divided into an upper part and a lower part, and the upper part and the lower part can be opened or closed through the expansion and contraction of the air cylinder 301 so as to release or lock the fixed constraint between the main vehicle and the auxiliary vehicle, so that the main vehicle and the auxiliary vehicle can move or stop relatively. When the device is in a non-operation state, the air cylinder 301 is compressed, the mounting support 305 is closed, the telescopic oil cylinder 304 extends, the connecting rod 12 is connected with the main vehicle frame 5 and the auxiliary vehicle frame 13, the main vehicle and the auxiliary vehicle are ensured to be in a linkage state, when the device is in an operation state, the air cylinder 301 extends, the mounting support 305 is opened, the telescopic oil cylinder 304 is compressed to lift the connecting rod 12, so that the connection between the main vehicle and the auxiliary vehicle is unlocked, and the main vehicle and the auxiliary vehicle can move relatively.
The work shop 7 comprises a front wall, a rear wall, a left wall, a right wall and a top surface, thus forming a relatively closed space.
The front side wall of the workshop 7 is movably connected with the right side wall or the left side wall so that the workshop 7 can slide out, and the front side wall, the rear side wall, the left side wall and the right side wall are all telescopic and foldable and can be opened or closed according to actual operation requirements.
And a walking driving component 204 with a brake is arranged on the portal frame 4 of the auxiliary vehicle, and the auxiliary vehicle can be driven or braked to run independently.
The movable railway comprehensive operation vehicle can form an operation workshop 7 covering a working area in a mode that the main vehicle is fixed and the auxiliary vehicle runs, or form the operation workshop 7 covering the working area in a mode that the auxiliary vehicle is fixed and the main vehicle runs, or form the movable operation workshop 7 covering the working area in a mode that the main vehicle runs and the auxiliary vehicle runs at a speed different from the running speed of the main vehicle.
The lower part of the rear part of the main vehicle frame 5 and the lower part of the auxiliary vehicle frame 13 are both provided with hydraulic support legs 11. The front ends of the main vehicle frame 5 and the auxiliary vehicle frame 13 are both provided with a vehicle coupler 1, so that the coupling is convenient.
The operation flow of the mobile railway integrated operation vehicle is described in detail below with reference to fig. 1 to 10, and comprises the following steps:
a1. the comprehensive operation vehicle runs at a high speed or runs in a linkage mode to reach an operation area, and the connecting rod 12 and the portal frame 4 are unlocked, so that the main vehicle and the auxiliary vehicle can move relatively;
b1. the main vehicle is fixed, the auxiliary vehicle runs in the opposite direction under the driving of the running driving part 14, the running is stopped until the distance along the line direction below the workshop 7 meets the operation requirement, and the auxiliary vehicle is fixed;
c1. the main vehicle is fixed, the auxiliary vehicle is driven by a traveling driving part 204 with brake on the gantry 4 to travel in the opposite direction, the traveling is stopped until the distance along the line direction below the workshop 7 meets the operation requirement, and the working vehicle is fixed;
d1. the auxiliary vehicle is fixed, the main vehicle runs in the opposite direction under the driving of the driving bogie 3 and the driven bogie 10, the running is stopped until the distance along the line direction below the workshop 7 meets the operation requirement, and the working vehicle is fixed;
e1. the main vehicle moves at a certain speed, the auxiliary vehicle runs in the same direction in a mode different from the running speed of the main vehicle until the distance along the line direction below the workshop 7 meets the operation requirement, and the two vehicles keep the working area unchanged and respectively run at different speeds at constant speed;
f1. the hydraulic support legs 11 at the lower parts of the main vehicle frame 5 and the auxiliary vehicle frame 13 are lowered according to the actual operation requirement to be supported on the ballast bed;
g1. the first crane 6 and the second crane 9 are adopted to hoist the operation equipment and fall into the ballast bed;
h1. carrying out required operation construction on the track bed or the steel rail;
i1. after the operation is finished, the main vehicle and the auxiliary vehicle are retracted, the auxiliary vehicle and the main vehicle are connected and locked through the connecting rod 12, and the portal frame 4 is locked;
j1. after the operation is finished, the main vehicle and the auxiliary vehicle do not retract according to the actual operation condition, the operation state is kept, and the portal frame 4 is locked;
k1. the whole vehicle runs at high speed and leaves the working area.
According to actual operation needs, steps a1, b1, g1, h1, i1 and k1 can be selected to be sequentially executed, steps a1, c1, g1, h1, i1 and k1 can be sequentially executed, steps a1, d1, g1, h1, i1 and k1 can be sequentially executed, and steps a1, e1, g1, h1, i1 and k1 can be sequentially executed.
In the whole operation process, the step f1 is inserted into the execution steps according to the actual operation requirement, the step j1 can replace the step i1 according to the actual operation condition, and the steps b1, c1, d1 and e1 carry out quick switching of the mutual states according to the actual operation requirement.
The utility model discloses an ingenious connection structure design between main car and the auxiliary vehicle to realize the fast switch-over of different states between the high-speed operating condition of vehicle and the operation operating mode, can realize continuity of operation's technological effect simultaneously, the utility model discloses can be comprehensive, high-efficient, accomplish the maintenance work of railway rail or railway roadbed fast. The utility model discloses after whole car reachs the workspace, can simply switch over into operating condition fast, form an independent job shop that covers the operation region completely, this job shop passes through the corresponding work machines that crane and self carried, accomplish corresponding operation, the fast switch-over to high-speed running state after the operation is accomplished, whole switching process is simple swift, only need operate corresponding control switch and can accomplish, need not to carry out loaded down with trivial details counterpoint and special fixed fastening measure, degree of automation and operating efficiency are high. When the operation needs jack-up whole car, if weld the rail operation, the utility model discloses the independent job shop who forms need not jack-up whole car and can satisfy and weld rail operation demand, and need not to consider the operation and accomplish the back and take turns to the problem of going into the rail, strong adaptability. The utility model discloses both can satisfy the operation operating mode of immobilization, also can satisfy continuous operation's operation operating mode, and can carry out quick free switch between these two kinds of operation operating modes. The utility model discloses can withdraw the operation scene fast under the condition of not receiving the car, the safety is high in the application.
The above embodiments are merely preferred embodiments, wherein the components and the connection relations involved are not limited to the above described embodiments, and the arrangement and the connection relations of the components in the preferred embodiments may be arbitrarily arranged and combined to form a complete technical solution.
Claims (11)
1. The utility model provides a movable railway combined operation car, includes main car and auxiliary car, the main car includes main car frame (5), the auxiliary car includes auxiliary car framework (13), workshop (7), and auxiliary car framework (13) tip is equipped with auxiliary car cab (15), and the ceiling below of workshop (7) is provided with flexible roof beam, flexible roof beam lower part is provided with first crane (6), second crane (9), its characterized in that, flexible roof beam one end be located auxiliary car cab (15) one end and with auxiliary car framework (13) between fixed connection, auxiliary car framework (13) are connected with main car frame (5) through connecting rod (12).
2. The mobile railway integrated working vehicle according to claim 1, characterized in that the connecting rod (12) is connected with the main vehicle frame (5) through a second pin (302) and a mounting support (305) thereof, and the connecting rod (12) is connected with the auxiliary vehicle frame (13) through a first pin (303) and a telescopic cylinder (304).
3. The mobile railroad integrated work vehicle of claim 2, wherein the mounting bracket (305) comprises an upper bracket and a lower bracket, which are connected by a cylinder (301).
4. The movable railway comprehensive operation vehicle as claimed in claim 1, wherein one end of the main vehicle frame (5) is provided with a main vehicle cab (2), the upper part of the main vehicle frame (5) is fixedly provided with traveling steel rails, and the lower part of the main vehicle frame (5) is sequentially provided with a driving bogie (3), a main vehicle power transmission system, a vehicle-mounted tool (8) and a driven bogie (10) from left to right.
5. A mobile railway vehicle according to claim 1, wherein the auxiliary frame (13) is provided with a running drive (14) at a lower portion thereof.
6. Mobile railway vehicle according to claim 1, characterized in that the workshop (7) covers the upper part of the main vehicle frame (5) in the non-operative state.
7. The mobile railway vehicle according to claim 1, wherein the work shop (7) comprises a front wall, a rear wall, a left wall, a right wall and a top surface, thereby forming a relatively closed space, the front wall is movably connected with the right wall or the left wall, and the front wall, the rear wall, the left wall and the right wall are all arranged in a telescopic and foldable structure.
8. A mobile railway vehicle as claimed in claim 4, characterized in that the auxiliary vehicle comprises a mast (4), the other end of the telescopic beam being connected to the mast (4) by means of a ball joint (203) with the main vehicle cab (2), the mast (4) being dropped on the travelling rails of the main vehicle frame (5) by means of travelling wheels (201).
9. A mobile railway vehicle according to claim 8, characterized in that the mast (4) is provided with a braking travel drive (204) for driving or braking the auxiliary vehicle solely.
10. A mobile railway vehicle as claimed in claim 1, wherein the hydraulic legs (11) are provided at the lower rear part of the main frame (5) and at the lower part of the sub frame (13).
11. A mobile railway working vehicle according to claim 1, characterized in that the front end of the main frame (5) and the front end of the auxiliary frame (13) are provided with a coupler (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372250.2U CN211543526U (en) | 2019-08-22 | 2019-08-22 | Movable railway comprehensive operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372250.2U CN211543526U (en) | 2019-08-22 | 2019-08-22 | Movable railway comprehensive operation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211543526U true CN211543526U (en) | 2020-09-22 |
Family
ID=72488514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921372250.2U Active CN211543526U (en) | 2019-08-22 | 2019-08-22 | Movable railway comprehensive operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211543526U (en) |
-
2019
- 2019-08-22 CN CN201921372250.2U patent/CN211543526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2062313C1 (en) | Machine for repairing or laying railway | |
| CN110722940A (en) | Highway-railway dual-purpose bidirectional driving traction and cargo carrying transport vehicle and use method thereof | |
| KR200478810Y1 (en) | Construction vehicle both for road and rail | |
| CN211032067U (en) | Highway-railway dual-purpose bidirectional driving traction and cargo carrying transport vehicle | |
| CN103074829A (en) | Railway switch changing construction method and railway switch track laying unit thereof | |
| CN112008335B (en) | Flexible production line and production process for wagon body | |
| JPS6026882B2 (en) | Track straightening machine that can run both on the road and on the track | |
| CN111439280A (en) | Novel universal construction transport vehicle for subway main track and use method thereof | |
| CN211543526U (en) | Movable railway comprehensive operation vehicle | |
| CN210117620U (en) | Tamping vehicle | |
| CA2114398C (en) | Machine arrangement for tamping a track | |
| CN104264549B (en) | Track quick track switching operating Operation Van and operational method thereof | |
| CN206448114U (en) | A kind of combined mobile rail-welding vehicle | |
| CN112406918A (en) | Movable railway comprehensive operation vehicle and operation method | |
| CN109130736A (en) | Can quickly up and down road combined vehicle | |
| CN110816572A (en) | Long steel rail unloading guiding operation trolley | |
| CN110341802A (en) | A kind of multifunction hydraulic driving railroad special chassis | |
| CN2780906Y (en) | Auxiliary device for moving and mounting derrick | |
| CN108791332A (en) | A kind of railway Mine haul flatcar | |
| CN113620188A (en) | Special machine set for large-tonnage rail hoisting equipment | |
| CN112746533A (en) | Railway track mobile maintenance workshop | |
| RU2654450C2 (en) | Track railway machine | |
| CN212313539U (en) | Medium-sized grinding wagon for railway work section | |
| CN220704342U (en) | Railway small curve simply supported box girder construction device | |
| KR102548619B1 (en) | Apparatus for rear rail unit of the road-rail vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |