An intermediate-drive containerized rail laser strengthening vehicle

Abstract

The present invention discloses an intermediate-driven containerized rail laser strengthening vehicle, comprising a laser generator (17) and a flatbed vehicle (26). The top of the flatbed vehicle (26) is provided with a first container vehicle body (1) and a second container vehicle body (15), and the bottom is provided with a driving trolley (21); the first container vehicle body (1) and the second container vehicle body (15) are independently and detachably arranged, and are both detachably and fixedly connected to the flatbed vehicle (26); the first container vehicle body (1) and the second container vehicle body (15) each include a plurality of compartments, and a mechanical arm that can be rotated, retracted and locked at multiple angles is provided in the workroom, and a laser strengthening head is provided at the head of the mechanical arm. The intermediate-driven containerized rail laser strengthening vehicle of the present invention adopts an intermediate drive to ensure the reliability and stability of the drive; the separate compartments are used to reduce the interference between different devices, and also facilitate the maintenance, detection and repair of the equipment.

Description

Technical Field

[0001] The present invention belongs to the technical field of rail laser strengthening, and more specifically, relates to an intermediate-drive containerized rail laser strengthening vehicle. Background Art

[0002] my country's high-speed railways, intercity railways, urban railways and urban rail transit are developing rapidly, and the operating mileage has reached a huge scale. Against the background of railway speed-up, the train's direct carrying infrastructure - rails - is under tremendous operating pressure. Due to the interaction between wheels and rails, rails will suffer severe wear during their service life, which significantly reduces the service life of rails. As a result, a large number of rails have to be replaced every year, causing huge economic losses. Therefore, improving the service life of rails is of great significance to the operation, maintenance and repair of my country's railways and urban rail transit.

[0003] Currently, there are two main ways to increase rail wear resistance, improve rail surface hardness, and extend rail service life: the first is to perform a quenching process during rail production; the second is to use grinding equipment to reshape and polish defective parts of the rail when wear occurs during use. The first method is to enhance the wear resistance of the rail from the perspective of its original performance, but uneven cooling by wind and mist will lead to uneven hardness of the rail surface, which is prone to failure such as rail surface peeling and abrasion, affecting the service life of the rail. The second method is to repair wear from the perspective of the service status of the rail. Small equipment or large-scale track maintenance machinery is used to grind and reshape the rail with a grinding wheel to reduce the impact of wear on the rail life. However, grinding and reshaping only repairs the rail profile and reduces the adverse effects of wear on the smoothness of train operation. It cannot fundamentally improve the wear resistance of the rail or strengthen existing rails, and the effect of extending the service life of the rail is limited.

[0004] To address these issues, devices have emerged that use lasers to process and repair rails. For example, patent ZL02100096.4 discloses a "railway laser maintenance vehicle," which includes a traction control vehicle and a laser processing vehicle. Multiple laser maintenance vehicles can form a laser maintenance train. Its principle is to use lasers to melt alloy powder onto the rail surface, forming an alloy layer to compensate for defects such as wear, peeling, and chipping. Patent ZL201010114198.8 discloses a "mobile laser processing device for online rail surface treatment." This device is used for laser toughening and repair of rail surfaces and specifically includes a dual-station mobile laser processing device, two sets of laser processing heads, two sets of laser beam motion actuators, a control system, and a light guide system.

[0005] However, the first patent uses a railcar as the traction control vehicle to drive the entire trainset. The railcar uses a diesel motor, which has unstable speeds and generates significant vibration, resulting in low laser enhancement accuracy. Furthermore, the laser is fixed to the track on the vehicle's floor, allowing for only one-dimensional movement. This makes it impossible to adjust the laser head to align with the rail head as the vehicle's state changes, thus failing to guarantee enhanced accuracy. The second patent has only one drive motor and two transmission mechanisms, resulting in a less reliable power source, insufficient energy supply, and limited endurance. Furthermore, the laser processing head cannot adjust its posture in real time according to the rail profile. Summary of the Invention

[0006] In response to the above defects or improvement needs of the prior art, the present invention provides an intermediate-driven containerized rail laser strengthening vehicle, in which a flatbed vehicle and a driving trolley are cooperated to set up a freely and accurately mobile laser processing device. At the same time, a mechanical arm that can rotate, extend, and lock at multiple angles is set in the workroom, and the laser transmitter is fixed to the head of the mechanical arm. Through the rotation and extension of the mechanical arm, the laser transmitter is aligned with the rail for precise laser processing; the separate modular setting of the first container vehicle body, the second container vehicle body and the flatbed vehicle can be manufactured, debugged or maintained at the same time, and only interfaces for docking with each other need to be reserved. The loading volume of the flatbed vehicle is small, which can greatly shorten the manufacturing period. When a part fails, it only needs to be replaced with the same module without the need for overall overhaul, thereby enhancing the reliability of the strengthening vehicle.

[0007] To achieve the above-mentioned object, the present invention provides an intermediate-driven containerized rail laser strengthening vehicle, comprising a laser generator and a flatbed vehicle, wherein a first container vehicle body and a second container vehicle body are provided on the top of the flatbed vehicle, and a driving trolley is provided on the bottom;

[0008] The first container car body and the second container car body are independently and detachably arranged, and are both detachably fixed to the flatbed truck. The first container car body and the second container car body each include a plurality of compartments. The compartments of the first container car body include a driver's room, an operator's room and a power generation room. A workroom is provided at the end of the second container car body. A robotic arm that can be rotated, extended and locked at multiple angles is provided in the workroom. A laser transmitter is provided at the head of the robotic arm, so that the laser transmitter can be aligned with the rail for precise laser processing through the rotation and extension of the robotic arm.

[0009] Furthermore, the control structure on the top of the driving trolley passes through the flatbed trolley and is arranged in the operating room, and the driving wheels at the bottom are placed at the bottom of the flatbed trolley.

[0010] Furthermore, the driving trolley is provided with a lifting mechanism that enables the driving wheels of the driving trolley to be higher than the rail surface in its non-working state.

[0011] Furthermore, the bottom of each of the first container vehicle body and the second container vehicle body is provided with two layers of bottom plates, and a hollow space is formed between the two layers of bottom plates, and cables are placed in the hollow space.

[0012] Furthermore, a door that can be opened outwards is provided on the bottom layer of the two layers of bottom plates.

[0013] Furthermore, the robotic arm includes a plurality of rotatable joints with locking functions and a plurality of arm segments, and a rotatable joint with locking function is provided between two adjacent arm segments.

[0014] Furthermore, the second container vehicle body also includes a pressure room and a light source room. The pressure room is equipped with a hydraulic station, at least one water cooler and at least one air compressor. The light source room is equipped with an air conditioner to ensure the temperature stability in the light source room so that the laser generator can work reliably.

[0015] Furthermore, a double door is provided at the end of the workroom to facilitate the extension of the robotic arm.

[0016] Furthermore, a plurality of limiting columns are provided at the bottom of the flatbed truck, and the limiting columns are arranged at intervals.

[0017] Furthermore, the bottoms of the first container vehicle body and the second container vehicle body are provided with limiting holes matching with the limiting columns.

[0018] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0019] (1) The intermediate-driven containerized rail laser strengthening vehicle of the present invention is equipped with a flatbed vehicle and a driving trolley to cooperate with each other to set a freely and accurately movable laser processing device. At the same time, a mechanical arm that can rotate, extend, and lock at multiple angles is set in the working room, and the head of the mechanical arm is fixed with a laser emission head. Through the rotation and extension of the mechanical arm, the laser emission head is aligned with the rail for precise laser processing; the separate modular setting of the first container vehicle body, the second container vehicle body and the flatbed vehicle can be manufactured, debugged or repaired at the same time, and only interfaces for docking with each other need to be reserved. The loading volume of the flatbed vehicle is small, which can greatly shorten the manufacturing period. When a part fails, it only needs to be replaced with the same module without the need for overall overhaul, thereby enhancing the reliability of the strengthening vehicle.

[0020] (2) The intermediate-driven containerized rail laser strengthening vehicle of the present invention reduces interference between different equipment through separate compartments and is divided into two container bodies, which can reduce the adverse effects of generator set vibration on the high-precision operation of the robot; the closed body can provide good protection for the equipment on the vehicle, reducing the adverse effects of the external harsh environment on the equipment; the two containers where the operating equipment is located can be separated from the flatbed truck, which is convenient for lifting, disassembly, and transportation. It is also convenient for the containers to be separated from the flatbed truck and then transferred to the workshop for maintenance, inspection and repair of the equipment.

[0021] (3) The intermediate-drive containerized rail laser strengthening vehicle of the present invention adopts an intermediate drive, which uses the vehicle's own gravity to increase the friction of the driving vehicle, thereby ensuring the reliability and stability of the drive;

[0022] (4) The intermediate-driven containerized rail laser strengthening vehicle of the present invention has the top of the driving trolley arranged in the operating room, which is convenient for the operator to control and operate, and the bottom of the driving trolley is placed on the bottom of the flatbed truck. A lifting mechanism is provided on the driving trolley so that the driving wheels of the driving trolley are higher than the rail surface in its non-working state, thereby avoiding friction between the driving wheels and the rail surface when the rail truck pulls the flatbed truck to the working area.

[0023] (5) The intermediate-driven containerized rail laser strengthening vehicle of the present invention has a top portion of a driving trolley arranged in an operating room. The bottoms of the first container vehicle body and the second container vehicle body are both provided with two bottom plates, and a hollow space is provided between the two bottom plates. The hollow space is provided as a cable room, and the cable room is used to arrange connecting cables between different devices to prevent the cables from being exposed or entangled. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 1 is a front view of an intermediate-drive containerized rail laser strengthening vehicle according to an embodiment of the present invention;

[0025] Figure 2 1. A top view of a center-driven containerized rail laser strengthening vehicle according to an embodiment of the present invention;

[0026] Figure 3 Schematic diagram of a center-driven containerized rail laser hardening vehicle in an embodiment of the present invention, wherein the vehicle is driven by a driving trolley and performs a robotic hardening operation;

[0027] Figure 4 Schematic diagram of the separation of the container body and the flatbed vehicle of the laser strengthening vehicle in an embodiment of the present invention;

[0028] Figure 5 Schematic diagram of the layout of the laser strengthening machine workshop in an embodiment of the present invention.

[0029] In all the accompanying drawings, the same figure marks represent the same technical features, specifically: 1-first container body; 2-driving seat; 3-first partition; 4-generator set; 5-electrical cabinet; 6-second partition; 7-first air-conditioning indoor unit; 8-operating table; 9-water cooler; 10-hydraulic station; 11-third partition; 12-second air-conditioning indoor unit; 13-fourth partition; 14-robot; 15-second container body; 16-robot electrical cabinet; 17-laser generator; 18-second bottom plate; 19-second load-bearing plate; 20-air compressor; 21-drive trolley; 22-first air-conditioning outdoor unit; 23-first bottom plate; 24-first load-bearing plate; 25-limiting column; 26-flatbed; 27-driving platform; 28-hook; 29-limiting rod; 30-second air-conditioning outdoor unit; 31-double door; 32-car door. DETAILED DESCRIPTION

[0030] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0031] Figure 1 This is a front view of the intermediate drive container rail laser strengthening vehicle in an embodiment of the present invention. Figure 2 FIG. 1 is a top view of the intermediate drive containerized rail laser strengthening vehicle according to an embodiment of the present invention. Figure 1 and Figure 2 As shown, the intermediate-drive containerized rail laser strengthening vehicle includes a flatbed 26 disposed at the bottom, a first container body 1, and a second container body 15. The first container body 1 and the second container body 15 are disposed on top of the flatbed 26. A driving trolley 21 is disposed at the bottom of the flatbed 26. The driving trolley 21 is used to precisely adjust the motion trajectory and speed of the flatbed 26. After the railcar moves the flatbed 26 to the operating area, the railcar separates from the flatbed 26 and the driving trolley 21 is opened. The driving trolley 21 precisely controls the flatbed 26, thereby making laser processing more accurate. Preferably, the driving trolley 21 is provided with a lifting mechanism. When the railcar is towing, the bottom of the driving trolley 21 is higher than the rail surface. When the driving trolley 21 is started, its bottom is lowered to the rail surface.

[0032] A hook 28 is provided at the end of the flatbed trolley 26 away from the work area. The hook 28 can be connected to the rail car. The rail car is connected to the hook 28 and then connected to the flatbed trolley 26. The rail car is used to tow the flatbed trolley 26 to the designated work area, and at the same time, the first container body 1 and the second container body 15 on the flatbed trolley 26 are driven to the work area.

[0033] The first container body 1, the second container body 15, and the flatbed truck 26 are independently separable from each other, and the first and second container bodies 1, 15 are detachably connected to the flatbed truck 26. During the manufacturing process of this containerized laser hardening vehicle, the three independent components can be manufactured and debugged simultaneously, requiring only pre-reserved interfaces for docking. This reduces the amount of flatbed truck 26 required for this process, significantly shortening the manufacturing process. After the first and second container bodies 1, 15 are separated from the flatbed truck, they can be conveniently debugged or repaired in the workshop without interfering with each other. Both components can be transported by truck to a nearby work area and then transferred to the flatbed truck for installation using a crane. Furthermore, the first, second, and flatbed trucks 1, 15, and 26 are modularly designed. If a component fails, it can simply be replaced with a similar module, eliminating the need for a complete overhaul. This enhances the reliability of the hardening vehicle. Furthermore, the independent, separable, modular, and integrated design of the hardening vehicle simplifies manufacturing, increases transportation flexibility, facilitates debugging and repair, and enhances system reliability.

[0034] The first container vehicle body 1 , the second container vehicle body 15 and the flatbed vehicle 26 are all provided with electrical interfaces, through which energy and information communication can be achieved among the flatbed vehicle 26 , the first container vehicle body 1 and the second container vehicle body 15 .

[0035] Figure 4 Schematic diagram of the separation of the container body and the flatbed of the laser strengthening vehicle in an embodiment of the present invention. Figure 5 This is a schematic diagram of the layout of the laser strengthening machine workshop in an embodiment of the present invention. Figure 4 and Figure 5 As shown, a plurality of limiting columns 25 are provided on the top plane of the flatbed truck, and the limiting columns 25 are arranged at intervals, and limiting columns 25 are provided at the ends of the corresponding first container body 1 and the second container body 15; the bottoms of the corresponding first container body 1 and the second container body 15 are provided with limiting holes matching the limiting columns 25, and the first container body 1 and / or the second container body 15 are placed on the flatbed truck 26, and the first container body 1 and / or the second container body 15 are fixed on the flatbed truck 26 through the cooperation of a plurality of limiting columns 25 and the limiting holes, and the first container body 1 and the second container body 15 are limited at the same time to prevent the first container body 1 and / or the second container body 15 from moving relative to the flatbed truck during the movement of the flatbed truck. On the one hand, the container body is prevented from sliding off the flatbed truck 26, and on the other hand, the stability and accuracy of the processing process are guaranteed.

[0036] The first container body 1 and the second container body 15 include a plurality of compartments, and partitions are provided between adjacent compartments. Preferably, doors 32 are provided on the partitions to connect adjacent compartments.

[0037] Preferably, the partition plates are made of sound-insulating and vibration-isolating materials, so that each compartment forms an independent space to avoid mutual interference.

[0038] The compartments of the first container body 1 include a driver's room, a power generation room, an operation room and a cable room. The space between the first partition plate 3 and the end plate on one side of the first container body 1 is the driver's room, which is provided with a driving platform 27 and a driver's seat 2 for the staff to observe the track conditions and better control the vehicle during operation; the power generation room is provided with at least one generator set 4 and at least one electrical cabinet 5 in the power generation room, and the electrical cabinet 5 is installed with the hardware equipment required for generator control; the power generation room also includes a number of cables connected to the equipment in other compartments respectively, and the generator set 4 is used to generate electricity and provide power support for driving the trolley 21 and the equipment in other compartments, thereby maximizing the autonomous power supply performance and endurance of the laser enhancement vehicle, and can be used for long-term laser processing work. The space between the second partition plate 6 and the end plate on the other side of the first container body 1 is the operating room, which is equipped with an operating table 8, a first air-conditioning outdoor unit 22, and a first air-conditioning indoor unit 7. The operating table 8 is used to send control instructions to the robot 14 during operation and the movement of the drive trolley 21. The first air-conditioning outdoor unit 22 and the second air-conditioning indoor unit 12 are used to adjust the temperature in the operating room to provide a comfortable operating environment for the staff. The top of the drive trolley 21 passes through the flatbed trolley 26 and is set in the operating room. The drive trolley 21 can be directly controlled manually or electromechanically in the operating room.

[0039] The compartments of the second container body 15 include a pressure room, a light source room, an operation room, and a cable room. The space between the third partition plate 11 and the end plate on one side of the second container body 15 is the pressure room. The pressure room is equipped with at least one water cooler 9, a hydraulic station 10, and at least one air compressor 20. The water cooler is used to circulate refrigeration for the laser generator 17. Preferably, the end of the water cooler 9 is equipped with several pipes that are led out of the water cooler 9 and distributed around the laser generator 17 before finally merging into the water cooler 9. The hydraulic station 10 is connected to the drive trolley 21 via wires and provides hydraulic power for the ascent and descent of the drive trolley 21, thereby ensuring the power and stable drive of the drive trolley 21. The air compressor 20 provides power for the air brake of the flatbed truck 26.

[0040] The space between the third partition plate 11 and the fourth partition plate 13 is the light source room, which is equipped with a laser generator 17, a second air-conditioning outdoor unit 30 and a second air-conditioning indoor unit 12. The laser generator 17 is used to generate the high-energy laser required for rail strengthening operations, and the second air-conditioning indoor unit 12 and the second air-conditioning outdoor unit 30 are used to provide a suitable working temperature for the light source room.

[0041] Figure 3This is a schematic diagram of a center-driven containerized rail laser hardening vehicle in an embodiment of the present invention, operating under the influence of a driving trolley and performing robotic hardening operations. The space between the fourth partition plate 13 and the end plate on the other side of the second container vehicle 15 forms a work area. A double-door 31 is provided on the end plate on the other side of the second container vehicle 15. A double-door 31 is provided on the outside of the work area, i.e., at the rear of the vehicle, to facilitate the extension of equipment within the work area for close-range operations. A robot 14 is positioned near the rear of the vehicle within the work area, with its bottom secured to the floor of the work area. The robot 14 comprises a robotic arm, preferably comprising several rotatable and locking joints and several arm segments. A rotatable and locking joint is provided between two adjacent arm segments, enabling the robotic arm to bend at multiple angles, enabling three-dimensional motion. The locking function of the joint allows for precise positioning of the bending shape and position, while also providing rigid support for subsequent grasping. A laser head is mounted at the end of the robotic arm, connected to a laser generator 17. The laser light generated by the laser generator 17 is emitted through the laser head to process the rails. The robotic arm's multi-angle bending allows the laser head to be positioned close to the rails to be processed, where it precisely processes the rails using the laser light emitted by the laser head. Simultaneously, only one robot 14 is required to laser-enhance two or more rails through the rotation and adjustment of the robotic arm. The provision of a double-door 31 facilitates the extension of the robotic arm into the workroom to align with the rails. Upon completion of the work, the robotic arm is retracted into the workroom and the double-door is closed to prevent foreign matter from entering the workroom and affecting the equipment's functionality.

[0042] Preferably, a robot power cabinet 16 is further provided in the workroom for directly providing power to the robot 14 .

[0043] Preferably, the robot 14 is also provided with a visual sensor, which obtains the rail image through the visual sensor, thereby controlling and adjusting the posture of the robotic arm according to the rail image, thereby controlling the laser transmitter to align with the top surface of the rail, achieving tracking motion, and thus ensuring the accuracy of the working area.

[0044] The bottom of the first container body 1 and the second container body 15 are both provided with two layers of bottom plates, and a hollow space is set between the two layers of bottom plates. The two layers of bottom plates of the first container body 1 are respectively the first bottom plate 23 and the first load-bearing plate 24, and the two layers of bottom plates of the second container body 15 are respectively the second bottom plate 18 and the second load-bearing plate 19. The hollow space between the first bottom plate 23 and the first load-bearing plate 24 is the cable room of the first container body 1, and the hollow space between the second bottom plate 18 and the second load-bearing plate 19 is the cable room of the second container body 15. The cable room is used to arrange connecting cables between different devices to prevent the cables from being exposed or entangled.

[0045] Preferably, both the first bottom plate 23 and the second bottom plate 18 are provided with doors that open outwards, so that staff can conduct maintenance at the bottom.

[0046] The working process of the laser strengthening vehicle is as follows: connect the rail car to the hook, and use the rail car to pull the flatbed car and several compartments on the top of the flatbed car to the work area; disconnect the rail car from the hook, drive the trolley down until the drive wheel contacts the rail surface, start the drive trolley, and use the drive trolley to achieve precise control of the movement of the flatbed car and several compartments on its top; open the double doors, start the robot, rotate the robotic arm so that the laser emission head mounted on the robotic arm is aimed at the top surface of the rail, drive the trolley to start the drive motor, drive the flatbed car to drive each compartment to move at a certain speed, and perform rail strengthening operations along the line; after the operation is completed, the robot rotates the robotic arm back to the work room, closes the double doors, and drives the trolley up until the drive wheel leaves the rail; connect the rail car to the hook, and tow the laser strengthening vehicle out of the work area.

[0047] Limit rods 29 are installed on both sides of the rail laser hardening container body to limit the horizontal movement of the container body. Preferably, the limit rods 29 on both sides of the container body are symmetrically arranged to ensure balanced force. The limit rods 29 include an axle seat, a rotating shaft, a telescopic outer rod, a telescopic inner rod, and a limit cylinder. The telescopic inner rod is mounted inside the telescopic outer rod and connected to the telescopic outer rod to form a telescopic rod.

[0048] The axle seat is fixed on the container vehicle body, the limiting cylinder is fixed on the flatbed truck and matched with the axle seat, the axle seat is provided with a rotating shaft, the telescopic outer rod is hollow and one end of which is fixed on the rotating shaft, and the other end is sleeved with a telescopic inner rod, the telescopic rod and the rotating shaft are movably connected, such as hinged, and the telescopic inner rod is inserted into the telescopic outer rod to be extended and retracted; when extended, the telescopic inner rod is inserted into the limiting cylinder to realize the limited fixation of the container vehicle body, and when retracted, the telescopic inner rod is retracted into the telescopic outer rod, and the container vehicle body can be separated from the flatbed truck under the action of an external crane.

[0049] Preferably, the limit rod also includes a spring positioning column and a limit handle. The limit handle is fixed on the telescopic inner rod and extends out of the limit system through the groove on the telescopic outer rod to limit the rotation and push-pull of the telescopic inner rod. The spring positioning column is fixed in the recessed groove of the telescopic inner rod, and a spring is installed at its root. When the telescopic inner rod is pulled out a certain distance, the spring positioning column can pop out through the hole on the telescopic outer rod to limit the up and down movement of the telescopic inner rod. Before retracting, press the spring positioning column back into the hole to release the upper and lower limits of the telescopic inner rod.

[0050] It will be easily understood by those skilled in the art that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An intermediate-drive containerized rail laser hardening vehicle, comprising a laser generator (17) and a flatbed vehicle (26), characterized in that: The top of the flatbed car (26) is provided with a first container car body (1) and a second container car body (15), and the bottom is provided with a driving trolley (21), the driving trolley (21) is used to accurately adjust the movement trajectory and movement speed of the flatbed car (26), the driving wheels at the bottom of the driving trolley are placed at the bottom of the flatbed car (26), the driving wheels are higher than the rail surface in a non-working state, and the driving trolley (21) is provided with a lifting mechanism, the lifting mechanism can make the driving trolley (21) descend until its driving wheels contact the rail surface; The first container vehicle body (1) and the second container vehicle body (15) are independently and detachably arranged, and are both detachably and fixedly connected to the flatbed vehicle (26). The first container vehicle body (1) and the second container vehicle body (15) each include a plurality of compartments. The compartments of the first container vehicle body (1) include a driver's compartment, an operator's compartment and a power generation compartment. The end of the second container vehicle body (15) is provided with a workroom. A mechanical arm that can be rotated, extended and locked at multiple angles is provided in the workroom. A laser transmitter is provided at the head of the mechanical arm so that the laser transmitter is aligned with the rail to perform precise laser processing through the rotation and extension of the mechanical arm. The second container vehicle body (15) further comprises a pressure room, wherein the pressure room is provided with a hydraulic station (10), at least one water cooler (9) and at least one air compressor (20); the hydraulic station (10) is connected to the driving trolley (21) via a wire and provides hydraulic power for the ascent and descent and driving of the driving trolley (21).

2. The intermediate drive containerized rail laser hardening vehicle according to claim 1, characterized in that: The control structure on the top of the driving trolley (21) passes through the flatbed trolley (26) and is arranged in the operating room.

3. The intermediate drive containerized rail laser hardening vehicle according to claim 1, characterized in that: The bottom of the first container vehicle body (1) and the bottom of the second container vehicle body (15) are both provided with two layers of bottom plates, and a hollow space is formed between the two layers of bottom plates, and cables are placed in the hollow space.

4. The intermediate drive containerized rail laser hardening vehicle according to claim 3, characterized in that: A door which can be opened outwards is arranged on the bottom layer of the two layers of bottom plates.

5. An intermediate drive containerized rail laser hardening vehicle according to any one of claims 1 to 4, characterized in that: The mechanical arm comprises a plurality of rotatable joints with locking functions and a plurality of arm segments, and a rotatable joint with locking function is arranged between two adjacent arm segments.

6. The intermediate drive containerized rail laser hardening vehicle according to claim 1, characterized in that: The second container vehicle body (15) also includes a light source room, in which an air conditioner is provided to ensure that the temperature in the light source room is stable, so that the laser generator (17) can work reliably.

7. The intermediate drive containerized rail laser hardening vehicle according to claim 1, characterized in that: A double-door (31) is provided at the end of the workroom to facilitate the extension of the robot arm.

8. The intermediate drive containerized rail laser hardening vehicle according to claim 1, characterized in that: A plurality of limiting columns (25) are provided at the bottom of the flatbed vehicle (26), and the limiting columns are arranged at intervals.

9. The intermediate drive containerized rail laser hardening vehicle according to claim 8, characterized in that: The bottoms of the first container vehicle body (1) and the second container vehicle body (15) are provided with limiting holes matching the limiting columns (25).

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