CN216040458U - Movable rail milling vehicle and movable rail milling vehicle set - Google Patents

Abstract

The embodiment of the application provides a movable rail milling vehicle and a movable rail milling vehicle set. The mobile rail milling vehicle comprises a vehicle body, a walking system, an operating system, a power supply system and the like. The automobile body is as the skeleton of whole portable rail car that mills, and the top of automobile body is provided with the pantograph, and the pantograph is used for being connected with the contact net electricity to as the only power source of portable rail car that mills, get the electricity from the contact net through the pantograph, provide power source for portable rail car that mills. The traveling system is used for driving the movable rail milling vehicle to travel along the steel rail. The operation system is mainly used for carrying out corresponding maintenance work or repair work on steel, is connected with the vehicle body and comprises a milling device for milling the steel rail. And the power supply system is electrically connected with the pantograph, the walking system and the operating system respectively so as to convert the power of the pantograph and transmit the converted power to the walking system and the operating system. By adopting the scheme in the application, zero emission in the whole process of running and operation can be realized, and the noise is low.

Description

Movable rail milling vehicle and movable rail milling vehicle set

Technical Field

The application relates to the engineering machinery technology, in particular to a movable rail milling vehicle and a movable rail milling vehicle set.

Background

A rail milling vehicle belongs to one of large-scale road maintenance machines aiming at the maintenance direction of a steel rail, and can eliminate damages such as long-wave and short-wave corrugation, cracks, fat edges, stripping and falling blocks and the like formed on the surface of a rail top of the steel rail through one-time milling. The existing rail milling vehicle adopts internal combustion power as a power source of the whole vehicle, and when the rail milling vehicle is used for tunnel polishing, tail gas of an internal combustion engine is difficult to discharge, and a large amount of toxic gas and dust in the tail gas bring great harm to the health of operators. The rail milling and turning machine has larger power and huge internal combustion consumption, so that the grinding operation cost is difficult to reduce.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the above technical drawbacks, the present application provides a mobile rail milling vehicle and a mobile rail milling vehicle set.

According to a first aspect of embodiments of the present application, there is provided a mobile rail milling vehicle comprising:

the top of the trolley body is provided with a pantograph which is used for being electrically connected with a contact network and used as the only power source of the mobile rail milling trolley;

the traveling system is used for driving the mobile rail milling vehicle to travel;

the operation system is connected with the vehicle body and comprises a milling device for milling a steel rail;

and the power supply system is electrically connected with the pantograph, the walking system and the operating system respectively so as to convert the power of the pantograph and transmit the converted power to the walking system and the operating system.

Optionally, the milling device includes a finish milling device and/or a rough milling device, the finish milling device and/or the rough milling device is detachably connected to the bottom of the vehicle body, the finish milling device and the rough milling device are arranged at the bottom of the vehicle body at intervals, or the two finish milling devices are arranged at the bottom of the vehicle body at intervals, or the two rough milling devices are arranged at the bottom of the vehicle body at intervals.

Optionally, the operation system further comprises a fine grinding device, the milling device comprises a rough milling device, and the rough milling device and the fine grinding device are arranged at the bottom of the vehicle body at intervals.

Optionally, the portable rail milling vehicle still includes auxiliary system, auxiliary system including set up in dust collecting system on the automobile body, dust collecting system includes centrifugal fan or venturi, filter equipment and is used for adsorbing the pipeline of iron fillings, dust, the entrance point of pipeline sets up in the operating system top, centrifugal fan or venturi with the pipeline intercommunication.

Optionally, the power supply system comprises a high-voltage cabinet, an operation inverter, a traction inverter and a traction auxiliary inverter which are arranged on the vehicle body, the walking system comprises a first traction motor, a second traction motor and a brake resistor, and the pantograph is electrically connected with the operation system sequentially through the high-voltage cabinet and the operation inverter; the pantograph is electrically connected with the first traction motor and the brake resistor sequentially through the high-voltage cabinet and the traction inverter; the pantograph is electrically connected with the auxiliary system and the second traction motor sequentially through the high-voltage cabinet and the traction auxiliary inverter.

Optionally, the walking system comprises a first bogie, a second bogie, a first traction motor and a second traction motor, the first bogie and the second bogie are respectively arranged at the bottoms of the front end and the rear end of the vehicle body, and the first traction motor and the second traction motor are arranged at the bottom of the vehicle body.

Optionally, the mobile rail milling vehicle further includes a rail profile detection device and a rail corrugation detection device, the rail profile detection device is disposed on the first bogie, and the rail corrugation detection device is disposed on the second bogie.

Optionally, the finish milling device comprises a first chassis, a first tool holder, a finish milling head, a first rotating shaft, a second rotating shaft, a first driving device and a second driving device, the first underframe is connected with the bottom of the vehicle body, the first driving device is connected with the first tool carrier, the first rotating shaft extends along the vertical direction, the finish milling head is arranged at the bottom end of the first rotating shaft, the first driving device drives the finish milling head to rotate around the first rotating shaft through the first rotating shaft, the second rotating shaft extends along the horizontal direction, the first cutter frame is rotatably arranged on the first underframe through the second rotating shaft, the second driving device drives the finish milling head to rotate around the second rotating shaft through the second rotating shaft, and the finish milling head comprises an end milling cutter for end face milling.

Optionally, the rough milling device includes second chassis, second toolframe, third drive arrangement and rough milling head, the second chassis with the bottom of automobile body is connected, the second toolframe with the second chassis is connected, rough milling head rotationally set up in the second toolframe, third drive arrangement set up in just be used for the drive on the second toolframe rough milling head is rotatory, rough milling head is including the cylinder milling cutter that is used for the circumference to mill.

According to another aspect of the disclosure, a mobile rail milling vehicle set is further provided, and comprises the mobile rail milling vehicle, the mobile rail milling vehicle is a single-section vehicle, the front end of the vehicle body and the rear end of the vehicle body are both provided with a connecting device, the mobile rail milling vehicle set comprises a plurality of sections which are sequentially arranged along the length direction, and the mobile rail milling vehicle is adjacent to the mobile rail milling vehicle and is connected through the connecting device.

Adopt the portable rail car that mills that provides in this application embodiment, can reach following technological effect at least:

the portable track car that mills in the application adopts the contact net power supply as sole power source, and the portable track car that mills in this application can realize walking the whole process zero release of line and operation, and the noise is low, in addition, when realizing green drive, has eliminated the influence of traditional engine vibrations to the operation effect of operating system. In addition, the movable rail milling vehicle without the internal combustion engine can also reduce the weight and the load of the whole vehicle. Through the portable track car that mills in this application to the rail mill repair operation, the accessible mills the ripples mill, the crackle of long wave and shortwave that eliminates rail crest surface formation and damage such as piece are fallen in the fat limit and peeling off, mills the back to the rail and can remold rail vertical, cross sectional profile, can resume rail surface smoothness betterly, is particularly suitable for urban traffic, and the tunnel etc. requires higher line to the environment and uses.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a mobile rail milling vehicle provided in an embodiment of the present application, wherein a rough milling device and a finish milling device are arranged at the bottom of a vehicle body;

FIG. 2 is a partial schematic view of a mobile rail milling vehicle operating system according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a mobile rail milling vehicle provided by an embodiment of the application, wherein a rough milling device and a fine milling device are arranged at the bottom of a vehicle body;

fig. 4 is a schematic structural diagram of a mobile rail milling vehicle according to an embodiment of the present application, wherein two sets of finish milling devices are disposed at the bottom of a vehicle body;

FIG. 5 is a schematic structural diagram of a mobile rail milling vehicle set provided in an embodiment of the present application;

fig. 6 is a schematic diagram of a power supply path of the mobile rail milling vehicle according to an embodiment of the present disclosure.

Reference numerals

100-mobile rail milling vehicle; 1-a vehicle body; 2-a catenary; 3-an operating system; 10-pantograph; 20-finish milling device; 21-a first chassis; 22-a first tool carrier; 23-finish milling the milling head; 30-a rough milling device; 31-a second chassis; 32-a second toolholder; 33-rough milling the milling head; 40-a fine grinding device; 50-a dust collection system; 61-high voltage cabinet; 62-job inverter; 63-a traction inverter; 64-a traction-assist inverter; 65-auxiliary systems; 66-brake resistance; 71-a first bogie; 72-a second bogie; 73-a first traction motor; 74-a second traction motor; 81-steel rail profile detection device; 82-rail corrugation detection device; 91-driver's cab; 92-a connecting means; 93-an electrical system; 94-air and brake system; 95-hydraulic system; 200-movable rail milling vehicle set.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In order to reduce the pollution generated when milling the steel rail, according to a first aspect of the present application, fig. 1 is a schematic structural diagram of a mobile rail milling vehicle 100 provided in an embodiment of the present application, wherein a rough milling device 30 and a finish milling device 20 are provided at the bottom of a vehicle body 1, as shown in fig. 1, a mobile rail milling vehicle 100 is provided, and the mobile rail milling vehicle 100 includes the vehicle body 1, a traveling system, an operating system 3 and a power supply system. The automobile body 1 is as the skeleton of whole portable rail car 100 that mills, and the top of automobile body 1 is provided with pantograph 10, and pantograph 10 is used for being connected with contact net 2 electricity to as the only power source of portable rail car 100 that mills, get the electricity from contact net 2 through pantograph 10, for portable rail car 100 that mills provides the power source. The running system is used for driving the mobile rail milling vehicle 100 to run along the rail. The operation system 3 is mainly used for performing corresponding maintenance work or repair work on steel, the operation system 3 is connected with the vehicle body 1, and optionally, the operation system 3 may be arranged at the bottom of the vehicle body 1 or at the end of the vehicle body 1. The work system 3 comprises a milling device for milling a rail. And a power supply system electrically connected to the pantograph 10, the running system, and the operation system 3, respectively, for converting the power of the pantograph 10 and transmitting the converted power to the running system and the operation system 3, wherein the power obtained from the overhead line system 2 by the pantograph 10 cannot be directly applied to the running system and the operation system 3, and is required to be rectified and inverted by the power supply system into appropriate current and voltage to be supplied to the running system and the operation system 3.

Compared with the prior art in which an internal combustion engine is used as a power source, the movable rail milling vehicle 100 in the application adopts the power supply of the contact net 2 as the only power source, so that the movable rail milling vehicle 100 in the application can realize zero emission of the whole process of walking and operation, has low noise, and eliminates the influence of the vibration of a traditional engine on the operation effect of the operation system 3 while realizing green driving. In addition, the movable rail milling vehicle 100 without the internal combustion engine can also reduce the weight and the load of the whole vehicle. Through the portable track milling vehicle 100 in this application mills the rail and mills the restoration operation, accessible mills the ripples mill, the crackle of long wave and shortwave that eliminates rail crest surface formation and damage such as piece are fallen in the fat limit and peeling off, can remold rail longitudinal and cross sectional profile after milling the rail, can resume rail surface smoothness betterly, be particularly suitable for urban traffic, the tunnel etc. use to the higher circuit of environmental requirement.

In order to correspondingly repair different rails, in one embodiment of the present application, the milling device comprises a fine milling device 20 and/or a rough milling device 30. The finish milling device 20 and/or the rough milling device 30 are detachably connected to the bottom of the vehicle body 1, as shown in fig. 1, the finish milling device 20 and the rough milling device 30 are arranged at intervals on the bottom of the vehicle body 1, or fig. 4 is a schematic structural diagram of a mobile rail milling vehicle 100 provided in an embodiment of the present application, wherein two sets of finish milling devices 20 are arranged on the bottom of the vehicle body 1, as shown in fig. 4, two finish milling devices 20 are arranged at intervals on the bottom of the vehicle body 1, or two rough milling devices 30 are arranged at intervals on the bottom of the vehicle body 1. In other words, the bottom of the car body 1 is provided with two milling devices at intervals, which can be a finish milling device 20 or a rough milling device 30. Because the finish milling device 20 and the rough milling device 30 are detachably connected with the car body 1, the rough milling device 30 or the rough milling device 30 can be installed correspondingly according to the specific repair requirement of the steel rail.

Optionally, a finish milling device 20 and a rough milling device 30 are arranged at the bottom of the car body 1 at intervals, wherein the rough milling device 30 can perform circumferential milling on the steel rail, profile formation of the steel rail can be achieved at one time, the finish milling device 20 performs end face milling on the steel rail, and residual corrugation after milling by the rough milling device 30 can be eliminated, so that longitudinal and cross section profiles of the steel rail can be reshaped at one time and damage such as corrugation and cracks on the top surface of the steel rail can be eliminated by arranging the rough milling device 30 and the finish milling device 20 at the same time.

When the damage of the steel rail is not serious, two groups of finish milling devices 20 can be arranged at the bottom of the vehicle body 1, the milling working efficiency is improved, preventive maintenance or repair maintenance of the steel rail is completed, the increase of the operating speed can be realized, the operating speed can be set to be more than or equal to 3km/h, the milling amount is greatly increased or decreased, and optionally, the maximum milling amount is more than or equal to 0.4mm, so that efficient milling is realized; when the damage of the steel rail is generally serious, a group of finish milling devices 20 and a group of rough milling devices 30 can be arranged at the bottom of the vehicle body 1 to finish the reparative maintenance or reparative maintenance of the steel rail; when the damage of the steel rail is serious, two rough milling devices 30 can be arranged at the bottom of the vehicle body 1 to finish the reparative maintenance of the steel rail; accordingly, the rough milling device 30 or the rough milling device 30 can be installed accordingly according to the specific repair requirements of the rail.

In order to increase the usage of the mobile rail milling vehicle 100, the operation system 3 further includes a fine grinding device 40, the milling device includes a rough milling device 30, fig. 3 is a schematic structural diagram of the mobile rail milling vehicle 100 provided in the embodiment of the present application, wherein the rough milling device 30 and the fine grinding device 40 are provided at the bottom of the vehicle body 1, as shown in fig. 3, the rough milling device 30 and the fine grinding device 40 are provided at intervals at the bottom of the vehicle body 1, so that the mobile rail milling vehicle 100 can have a function of a grinding vehicle to grind a rail, thereby increasing the usage of the mobile rail milling vehicle 100.

In one embodiment of the present application, as shown in fig. 1, the mobile rail milling vehicle 100 further includes an auxiliary system 65, and the auxiliary system 65 includes a dust collection system 50 disposed on the vehicle body 1. The dust collecting system 50 includes a centrifugal fan or a venturi tube, a filtering device, and a pipe for adsorbing iron chips and dust, and an inlet end of the pipe is disposed above the operation system 3. During the operation of the mobile rail milling vehicle 100, dust and iron filings may be generated, and by arranging the dust collecting system 50, the dust-containing gas captured by the centrifugal fan or the venturi tube after being started is sucked through the pipeline, the dust and the iron filings are filtered by the filtering device, and the clean air is exhausted out of the vehicle body 1 through the centrifugal fan. Therefore, the dust and iron chips can be collected by the dust collecting system 50, and the environment protection of the mobile rail milling vehicle 100 during operation can be ensured.

Optionally, the auxiliary system 65 may also include a fire protection system that sprays water onto the rail, eliminating sparks that may be generated during the milling process, and reducing the temperature of the rail. The auxiliary system 65 may also include an air conditioning system for regulating the temperature of the cab 91. In this application, both ends of the mobile rail milling vehicle 100 are provided with the drivers' cabs 91, so that the mobile rail milling vehicle 100 can conveniently run towards different directions without turning around. Both cabs 91 may provide high speed travel operation, inspection system operation and other conventional operations, and one of the cabs 91 may also perform operating system 3 operations.

The running system comprises a first bogie 71, a second bogie 72, a first traction motor 73 and a second traction motor 74, wherein the first bogie 71 and the second bogie 72 are respectively arranged at the bottoms of the front end and the rear end of the vehicle body 1, and the first traction motor 73 and the second traction motor 74 are arranged at the bottom of the vehicle body 1 and are used for driving wheels on the first bogie 71 or the second bogie 72 to run.

In an embodiment of the present application, fig. 6 is a schematic diagram of a power supply path of the mobile rail milling vehicle 100 provided in an embodiment of the present application, and as shown in fig. 6, the power supply system includes a high-voltage board 61 disposed on the vehicle body 1, a working inverter 62, a traction inverter 63 disposed at a bottom of the vehicle body 1, and a traction auxiliary inverter 64. The walking system comprises a traction motor and a brake resistor 66, the pantograph 10 is electrically connected with the operation system 3 sequentially through the high-voltage cabinet 61 and the operation inverter 62, the pantograph 10 is electrically connected with the traction motor and the brake resistor 66 sequentially through the high-voltage cabinet 61 and the traction inverter 63, and the pantograph 10 is electrically connected with the auxiliary system 65 sequentially through the high-voltage cabinet 61 and the traction auxiliary inverter 64.

The power supply process of the running system comprises the following steps: after the pantograph 10 gets electricity from the overhead line system 2, the electricity is filtered by the high-voltage board 61, and power is supplied to a first traction motor 73 and a second traction motor 74 which are arranged on a bogie through a traction inverter 63, so that the whole vehicle is driven to run; the power supply process of the operating system 3 is as follows: after the pantograph 10 gets electricity from the overhead line system 2, the electricity is filtered by the high-voltage board 61 and is supplied to the operation system 3 through the operation inverter 62, so that the operation system 3 (such as the finish milling device 20, the rough milling device 30 or the finish milling device 40) is started to work; the power supply process of the auxiliary system 65 is as follows: after the pantograph 10 takes electricity from the overhead line system 2, the electricity is filtered by the high-voltage board 61 and is supplied to the auxiliary system 65 through the traction auxiliary inverter 64.

In order to detect the rail repairing effect of the mobile rail milling vehicle 100, in an embodiment of the present application, as shown in fig. 1, the mobile rail milling vehicle 100 further includes a rail profile detection device 81 and a rail corrugation detection device 82, the rail profile detection device 81 is disposed on the first bogie 71, and the rail corrugation detection device 82 is disposed on the second bogie 72 and is located right above the rail.

Because in this application, rail profile detection device 81 and rail corrugation detection device 82 install respectively on first bogie 71 and second bogie 72, when measuring the profile and the corrugation of rail, rail profile detection device 81 and rail corrugation detection device 82 can follow first bogie 71 and second bogie 72 and adapt to the trend of rail and carry out corresponding deflection, no matter measure the straightway of rail, still measure the curved section of rail, rail profile detection device 81 and rail corrugation detection device 82 can be located directly over the rail all the time, thereby can carry out comprehensive detection to all rail sections.

In other embodiments, the rail profile detection device 81 and the rail corrugation detection device 82 may be disposed on the vehicle body 1, which is not limited in the present application.

In an embodiment of the present application, fig. 2 is a partial schematic view of the operation system 3 of the mobile rail milling vehicle 100 provided in the embodiment of the present application, and as shown in fig. 2, the finish milling device 20 includes a first chassis 21, a first tool rest 22, a finish milling head 23, a first rotating shaft, a second rotating shaft, a first driving device, and a second driving device. The first underframe 21 is connected with the bottom of the car body 1, the first driving device is connected with the first tool rest 22, the first rotating shaft extends along the vertical direction, the finish milling head 23 is arranged at the bottom end of the first rotating shaft, the first driving device drives the finish milling head 23 to rotate around the first rotating shaft through the first rotating shaft, the second rotating shaft extends along the horizontal direction, the first tool rest 22 is rotatably arranged on the first underframe 21 through the second rotating shaft, the second driving device drives the finish milling head 23 to rotate around the second rotating shaft through the second rotating shaft, and the finish milling head 23 comprises an end milling cutter for end face milling.

The finish milling head 23 rotates around the first rotating shaft to be used for milling the steel rail, the finish milling head 23 rotates around the second rotating shaft to be used for adjusting the angle of the finish milling head 23, the angle of the finish milling head 23 can be adjusted at any time during milling operation, milling of different angle positions of the rail head of the steel rail is achieved, and the milling operation quality is better. Moreover, when the milling cutter head needs to be overhauled and replaced, the finish milling head 23 is rotated to an angle convenient to operate, and if the finish milling head is rotated by 90 degrees, the milling cutter head faces the outer side of the vehicle body 1, so that the operation is convenient, and the cutter replacement is more convenient.

In one embodiment of the present application, as shown in fig. 2, the rough milling device 30 includes a second chassis 31, a second tool holder 32, a third driving device and a rough milling head 33, the second chassis 31 is connected to the bottom of the vehicle body 1, the second tool holder 32 is connected to the second chassis 31, the third driving device is disposed on the second tool holder 32, the rough milling head 33 is rotatably disposed on the second tool holder 32, and the third driving device is configured to drive the rough milling head 33 to rotate, so as to mill the rail. The roughing milling head 33 comprises a cylindrical milling cutter for peripheral milling. The cylindrical milling cutter has large cutting amount so as to roughly mill the steel rail, and the end milling cutter has small cutting amount so as to finely mill the steel rail.

The mobile rail milling vehicle 100 in the present application further includes an air and brake system 94, a hydraulic system 95 and an electrical system 93, wherein the air and brake system 94 mainly provides air for the vehicle brake and operation system 3, the hydraulic system 95 mainly provides the operation system 3 and other auxiliary systems 65 to provide a hydraulic pressure source, and the electrical system 93 mainly provides operation system 3 control and vehicle traveling control.

According to the second aspect of the present application, there is also provided a mobile rail milling car set 200, wherein the mobile rail milling car 100 is a single vehicle. The front end of the vehicle body 1 and the rear end of the vehicle body 1 are provided with connecting devices 92. Fig. 5 is a schematic structural diagram of a mobile rail milling vehicle set 200 according to an embodiment of the present disclosure, and as shown in fig. 5, the mobile rail milling vehicle set 200 includes a plurality of mobile rail milling vehicles 100 arranged in sequence along a length direction, and adjacent mobile rail milling vehicles 100 are connected by a connecting device 92. The specific structure of the coupling device 92 is not limited in this application and may be, for example, the same as the structure of a coupler that couples railway cars.

Therefore, the multiple sections of mobile rail milling vehicles 100 can be connected through the connecting device 92, flexible arrangement of the mobile rail milling vehicles 100 is realized, and maintenance modes can be selected according to different working conditions, for example, two or multiple sections of mobile rail milling vehicles 100 are grouped to form the efficient mobile rail milling vehicle 100, two sets of finish milling devices 20 are arranged on each mobile rail milling vehicle 100, the efficient mobile rail milling vehicle 100 is composed of multiple sets of finish milling devices 20, and rail maintenance is performed through the efficient mobile rail milling vehicle 100. And preventive maintenance, repairable maintenance and repairable maintenance of the steel rails can be respectively realized through different grouping forms. The maintenance mode of finish milling and finish milling is selected, the marshalling operation of the multi-section movable rail milling vehicle 100 can be realized, the operation efficiency is higher, and the maintenance of different requirements of urban rails, ordinary railways and high-speed railways can be adapted.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. A mobile rail milling vehicle, comprising:

the trolley comprises a trolley body (1), wherein a pantograph (10) is arranged at the top of the trolley body (1), and the pantograph (10) is used for being electrically connected with a contact net (2) and used as the only power source of the mobile rail milling trolley (100);

the traveling system is used for driving the mobile rail milling vehicle (100) to travel;

the operation system (3) is connected with the vehicle body (1) and comprises a milling device for milling a steel rail;

and a power supply system which is electrically connected with the pantograph (10), the running system and the operating system (3) respectively so as to convert the power of the pantograph (10) and transmit the converted power to the running system and the operating system (3).

2. The mobile rail milling vehicle according to claim 1, characterized in that the milling device comprises a finish milling device (20) and/or a rough milling device (30), the finish milling device (20) and/or the rough milling device (30) is detachably connected to the bottom of the vehicle body (1), the finish milling device (20) and the rough milling device (30) are arranged at intervals on the bottom of the vehicle body (1), or two finish milling devices (20) are arranged at intervals on the bottom of the vehicle body (1), or two rough milling devices (30) are arranged at intervals on the bottom of the vehicle body (1).

3. The mobile rail milling vehicle according to claim 1, characterized in that the operating system (3) further comprises a fine grinding device (40), the milling device comprises a rough milling device (30), and the bottom of the vehicle body (1) is provided with the rough milling device (30) and the fine grinding device (40) at intervals.

4. The mobile rail milling vehicle according to claim 1, characterized in that the mobile rail milling vehicle (100) further comprises an auxiliary system (65), the auxiliary system (65) comprises a dust collecting system (50) arranged on the vehicle body (1), the dust collecting system (50) comprises a centrifugal fan or a venturi tube, a filtering device and a pipeline for adsorbing scrap iron and dust, the inlet end of the pipeline is arranged above the operation system (3), and the centrifugal fan or the venturi tube is communicated with the pipeline.

5. The mobile rail milling vehicle according to claim 4, characterized in that the power supply system comprises a high-voltage cabinet (61), a working inverter (62), a traction inverter (63) and a traction auxiliary inverter (64) which are arranged on the vehicle body (1), the running system comprises a first traction motor (73), a second traction motor (74) and a brake resistor (66), and the pantograph (10) is electrically connected with the working system (3) through the high-voltage cabinet (61) and the working inverter (62) in sequence; the pantograph (10) is electrically connected with the first traction motor (73) and the brake resistor (66) sequentially through the high-voltage cabinet (61) and the traction inverter (63); the pantograph (10) is electrically connected with the auxiliary system (65) and the second traction motor (74) sequentially through the high-voltage cabinet (61) and the traction auxiliary inverter (64).

6. The mobile rail milling vehicle of claim 1, wherein the traveling system comprises a first bogie (71), a second bogie (72), a first traction motor (73) and a second traction motor (74), the first bogie (71) and the second bogie (72) are respectively arranged at the bottom of the front end and the rear end of the vehicle body (1), and the first traction motor (73) and the second traction motor (74) are arranged at the bottom of the vehicle body (1).

7. The mobile rail milling vehicle of claim 6, characterized in that the mobile rail milling vehicle (100) further comprises a rail profile detection device (81) and a rail corrugation detection device (82), the rail profile detection device (81) being disposed on the first bogie (71), the rail corrugation detection device (82) being disposed on the second bogie (72).

8. The mobile rail milling vehicle according to claim 2, wherein the finish milling device (20) comprises a first chassis (21), a first tool holder (22), a finish milling head (23), a first rotating shaft, a second rotating shaft, a first driving device and a second driving device, the first chassis (21) is connected with the bottom of the vehicle body (1), the first driving device is connected with the first tool holder (22), the first rotating shaft extends along a vertical direction, the finish milling head (23) is arranged at the bottom end of the first rotating shaft, the first driving device drives the finish milling head (23) to rotate around the first rotating shaft through the first rotating shaft, the second rotating shaft extends along a horizontal direction, the first tool holder (22) is rotatably arranged on the first chassis (21) through the second rotating shaft, and the second driving device drives the finish milling head (23) to rotate around the second rotating shaft through the second rotating shaft The shaft rotates, and the finish milling head (23) comprises an end mill for face milling.

9. The mobile rail milling vehicle according to claim 2, characterized in that the rough milling device (30) comprises a second chassis (31), a second tool holder (32), a third driving device and a rough milling head (33), wherein the second chassis (31) is connected with the bottom of the vehicle body (1), the second tool holder (32) is connected with the second chassis (31), the rough milling head (33) is rotatably arranged on the second tool holder (32), the third driving device is arranged on the second tool holder (32) and is used for driving the rough milling head (33) to rotate, and the rough milling head (33) comprises a cylindrical milling cutter for circumferential milling.

10. A mobile rail milling vehicle set, characterized by comprising the mobile rail milling vehicle (100) as claimed in any one of claims 1 to 9, wherein the mobile rail milling vehicle (100) is a single vehicle, the front end of the vehicle body (1) and the rear end of the vehicle body (1) are both provided with a connecting device (92), the mobile rail milling vehicle set (200) comprises a plurality of sections of the mobile rail milling vehicle (100) which are sequentially arranged along the length direction, and the adjacent mobile rail milling vehicles (100) are connected through the connecting device (92).

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