WO2023279741A1 - New-energy rail transport device having double travelling systems, and use method - Google Patents

Abstract

A new-energy rail transport device having double travelling systems, comprising: a flat frame (1-5); two cabs (1-1) respectively provided at the front end and the rear end of the flat frame (1-5); double travelling systems comprising two wheel-rail travelling structures (1-4) and two tire travelling structures (1-3), one wheel-rail travelling structure (1-4) and one tire travelling structure (1-3) being arranged below the front end of the flat frame (1-5), and the other wheel-rail travelling structure (1-4) and the other tire travelling structure (1-3) being arranged below the rear end of the flat frame (1-5); and a power apparatus (1-6), an electric control system (1-7), and a hydraulic system (1-8) provided arranged at the bottom of the middle of the flat frame (1-5), the power apparatus (1-6) being used for providing a driving force for a whole vehicle, and the electric control system (1-7) and the hydraulic system (1-8) being used for controlling the switching of wheel sets, switching to the wheel-rail travelling structures (1-4) when travelling on a main rail, and switching to the tire travelling structures (1-3) when travelling on a tunnel wall and a flat ground. Further disclosed is a method for using the device. The transport device is equipped with two sets of travelling systems, and can switch the wheel sets according to different road conditions, thereby facilitating material transportation.

Description

A new energy dual-travel system rail transportation equipment and its use method technical field

The invention relates to the technical field of urban rail transit engineering, in particular to a new energy dual-running system rail transportation device and a method for using it.

Background technique

At present, most of the carrying equipment in urban rail transit projects in China adopts a single-structure wheel set. This single-structure wheel set is only suitable for one working condition of the road surface, but in actual construction, the equipment often needs to be converted on different road surfaces. Moreover, the current construction volume of rail transit projects in my country is large, and rail cars and flatbed cars are usually used for combined transportation. The rail car is mainly used as a power device to provide traction, and the flatbed car is used to transport materials and equipment. The entire equipment of this transportation method is bulky and cannot pass through facilities such as track laying machines and civil air defense door structures. At the same time, the equipment is too heavy to be conducive to working on the main line track row section supported by the rail adjustment bracket.

Contents of the invention

The purpose of the present invention is to solve the deficiencies of the existing technology, and provide a new energy dual-travel system rail transportation equipment and its use method. The transportation equipment is equipped with two sets of travel systems. The running structure is used for walking on tunnel walls and flat roads, and two-way driving. It is mainly used for slab track bed construction. It can transport rail materials on tunnel walls, main track, and flat roads. It is suitable for round, horseshoe, rectangular, etc. It can carry various construction equipment according to the needs of working conditions.

In order to achieve the above object, the present invention is achieved through the following technical solutions:

A new energy dual-travel system rail transportation equipment, including:

flat frame;

Two driver's cabs are respectively arranged at the front end and the rear end of the flat frame;

The dual running system includes two wheel-rail running structures and two tire running structures, one wheel-rail running structure and one tire running structure are arranged under the front end of the flat frame, the other wheel-rail running structure and the other tire running structure set under the rear end of the flatbed frame;

The power unit, the electric control system, and the hydraulic system are arranged at the middle bottom of the flat frame, the power unit is used to provide driving force for the whole vehicle, the electric control system and the hydraulic system are used to control the switching of wheel sets, Switch to the wheel-rail running structure when running on the main track, and switch to the tire-type running structure when running on the tunnel wall or flat road.

Further, the tire running structure includes two symmetrically arranged substructures, the substructures include running legs, brackets, and tires, the running legs connect the flatbed frame and the bracket, and the brackets connect The tire and the running legs control the lateral movement and elevation of the tire.

Further, the running legs include a traverse guide sleeve, a lateral guide column, a horizontal hydraulic cylinder, a lifting guide sleeve, a vertical guide column, and a vertical hydraulic cylinder;

The traversing guide sleeve is embedded in the flatbed frame, the lateral guide post is built in the traversing guide sleeve, the lateral hydraulic cylinder is built in the lateral guide post, and the lateral hydraulic cylinder One end of one end is connected with the traverse guide sleeve, and the other end is connected with the traverse guide column, and the expansion and contraction of the traverse hydraulic rod is used to control the traverse movement of the tire;

The lifting guide sleeve is connected with the horizontal guide column, the vertical guide column is built in the lifting guide sleeve, the vertical hydraulic cylinder is built in the vertical guide column, and the upper end of the vertical hydraulic cylinder It is connected with the lifting guide sleeve, and the lower end is connected with the vertical guide column, and the vertical guide column is connected with the support. The expansion and contraction of the vertical hydraulic cylinder is used to control the lifting of the tire.

Further, the number of the tires is two, the support includes a horizontal frame and two vertical frames, the middle part of the horizontal frame is connected to the walking legs, and the upper ends of the two vertical frames are respectively connected to the The two ends of the horizontal frame and the lower end of the vertical frame are connected with the tire.

Further, the bracket further includes a cross bar, and two ends of the cross bar are connected to the two vertical frames.

Further, the substructure also includes a first hydraulic rod, the tire is hinged to the bracket, the upper end of the first hydraulic rod is connected to the bracket, and the lower end is hinged to the tire, and the first hydraulic rod The telescoping is used to control the swing angle of the tire.

Further, the wheel-rail running structure includes: a transverse shaft, a sleeve, a lifting column, a second hydraulic rod, a connecting plate, and a wheel-rail;

The horizontal shaft is connected to the flat support, and two ends are respectively connected to a sleeve, and the sleeve is sleeved on the lifting column, and the lower end of the lifting column is connected to the connecting plate, and the connecting plate The wheel rails are installed at both ends of the bottom, the upper end of the second hydraulic rod is connected with the sleeve, and the lower end is connected with the connecting plate, and the expansion and contraction of the second hydraulic rod is used to control the lifting of the wheel rails.

Further, the two cabs adopt interlocking control, and each cab has all the functions of controlling the whole vehicle.

Further, the flat vehicle frame as a whole has a concave structure for loading track panels or equipment.

Further, the flat vehicle frame includes a concave flat plate, a main beam, a cross beam, an end beam and a support beam.

Further, the power device includes a power battery, a cable, and a charging pile.

A method for using the new energy dual-running system rail transportation equipment as described above, comprising the following steps:

S1. Use a gantry crane to hoist the materials into the flat frame at the feeding port;

S2. Control the front cab, adopt the wheel-rail running structure, travel on the main line track to stop at the end position of the main line track;

S3, switch to the tire running structure, travel on the tunnel wall until the rail material installation work surface stops;

S4. After the unloading is completed, control the rear cab, adopt the tire running structure, and return to the main track position on the tunnel wall;

S5. Switch to the wheel-rail running structure, travel on the main line track to stop at the discharge port, and prepare for the next transportation operation.

Further, in steps S2 and S5, it also includes:

Turn on the obstacle detection equipment, take emergency braking measures when an obstacle is detected, and continue driving after the obstacle is dealt with. Compared with prior art, the present invention has following advantage:

1. The wheel set system adopts the wheel-rail running and tire running double running system, which can realize the wheel set switching through the electric control and hydraulic system. The wheel-rail running structure is used for driving on the main track, and the tire running structure can realize the tire angle swing through the hydraulic cylinder. , suitable for walking operations with flat bottom, round and horseshoe-shaped sections;

2. The transportation equipment adopts the tire-type walking structure in the platform section to pass normally without interference, and there is no conflict and interference between the outside of the whole machine and the civil air defense door structure, and it can pass through the inside of the tire-type track-laying machine when walking on the tunnel wall.

3. Compared with the operation of ordinary transportation equipment, there is no need to install temporary running tracks, and the operation can be carried out directly on the pipe wall and base of the underground tunnel.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are an embodiment of the present invention. For those of ordinary skill in the art In other words, on the premise of no creative work, other drawings can also be obtained based on these drawings:

Fig. 1 is a front view of a new energy dual-running system rail transportation device provided by an embodiment of the present invention;

Fig. 2a is a front view of the rail transportation equipment of the new energy dual-travel system shown in Fig. 1 without the wheel-rail travel structure;

Fig. 2b is a front view of the new energy dual-travel system rail transportation equipment shown in Fig. 1 with the tire running structure removed;

Figure 3a is a front view of the tire running structure;

Figure 3b is a left view of the tire running structure;

Fig. 3c is a left view of the tire running structure, wherein the swing angle of the tire is different from Fig. 3b;

Figure 3d is a left view of the running legs of the tire running structure;

Figure 4a is a front view of the wheel-rail running structure;

Fig. 4b is a left view of the wheel-rail running structure;

Fig. 5 a is the front view of flat vehicle frame;

Figure 5b is a bottom view of the flat frame;

Figure 6a is a schematic diagram of the method of using the new energy dual-running system rail transportation equipment provided by an embodiment of the present invention;

Fig. 6b is a schematic diagram of the work flow of the new energy dual-travel system rail transportation equipment in a specific example.

detailed description

The solution proposed by the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and all use imprecise scales, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. In order to make the objects, features and advantages of the present invention more comprehensible, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. condition, so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the present invention without affecting the effect and purpose of the present invention. within the scope covered by the disclosed technical content.

As shown in Figure 1, Figure 2a, and Figure 2b, a new energy dual-running system rail transportation device provided by an embodiment of the present invention adopts an assembled structure as a whole, including a flat frame 1-5, and two cabs 1-1 , Double travel system, power unit 1-6, electric control system 1-7, hydraulic system 1-8. Among them, the flat frame 1-5 is mainly used for carrying equipment or transporting materials, two cabs 1-1 are respectively arranged at the front end and rear end of the flat frame 1-5, and the double running system includes two wheel-rail running structures 1 -4 and two tire running structures 1-3, a wheel-rail running structure 1-4 and a tire running structure 1-3 are arranged under the front end of the flat frame 1-5, and another wheel-rail running structure 1-4 And another tire running structure 1-3 is arranged under the rear end of the flat vehicle frame 1-5, and the power unit 1-6, the electric control system 1-7, and the hydraulic system 1-8 are arranged on the flat vehicle frame 1-5. 5 Middle bottom, the power unit 1-6 is used to provide driving force for the whole vehicle, the electric control system 1-7 and the hydraulic system 1-8 are used to control the switching of wheel sets, and switch when driving on the main track The wheel-rail running structure 1-4 is switched to the tire-type running structure 1-3 when walking on tunnel walls or flat roads. The above-mentioned front end and rear end refer to the relative two ends of the flatbed vehicle frame 1-5, and the end towards the construction operation point is set as the front end, and then the end towards the feeding port is the rear end.

In the present invention, the driver's cab 1-1 is the control center of the entire transportation equipment. The driver's cab 1-1 is arranged at the center of the front and rear ends of the flatbed frame 1-5. The double cabs adopt interlocking control and have all the functions of controlling the entire equipment. During the track laying construction of the line, the transportation equipment needs to reciprocate between the discharge port and the construction operation point. Since the transportation equipment cannot turn around, in order to avoid the driver's sight being obscured, a cab 1-1 is installed at the front and rear ends of the vehicle. Use the cab in the direction you are going according to the direction you are going. The driver's cab 1-1 can accommodate normal adult men, and the bottom of the driver's cab 1-1 is guaranteed to leave enough clearance with the rail surface. The cab 1-1 is composed of a frame, a transmission structure, and a console. The frame is mainly a box-shaped carrier welded by steel plates, I-beams, and channel steels, and a transmission structure and a console are installed inside. The whole equipment adopts the left driving position, and the console is arranged at the left front end of the frame, which is responsible for controlling the whole equipment starting, braking, shifting, hydraulic lifting and other actions.

The flat vehicle frame 1-5 has a concave structure as a whole, the upper part is used for loading track plates or equipment, and the lower space is used for installing the power unit 1-6, electric control system 1-7, and hydraulic system 1-8 of the equipment. Under the condition that the performance of power device, electric control system, hydraulic system and layout space are satisfied, the depression difference of the flatbed frame 1-5 is large enough to transport multiple sub-lane bedboards or equipment. The power unit 1-6 includes a power battery, a cable, a charging pile, and the electric control system 1-7 and the hydraulic system 1-8 are installed on the bottom of the flat frame 1-5. The power battery is, for example, a lithium iron phosphate battery. The invention adopts a new energy power battery as power, which can avoid air pollution in the tunnel.

In the present invention, the wheel set system adopts a wheel-rail running and tire running double wheel set system, and the wheel set switching can be realized through an electric control system and a hydraulic system.

Wherein, the tire running structure 1-3 includes two symmetrically arranged substructures, the substructures include a running leg 1-2, a bracket and a tire 2-3, and the running leg 1-2 is connected to the flat plate Vehicle frame 1-5 and the support, the support is connected to the tire 2-5, and the running leg 1-2 controls the lateral movement and elevation of the tire 2-3.

Specifically, as shown in Fig. 3a and Fig. 3d, the walking outrigger 1-2 includes a traverse guide bush (not shown), a transverse guide column 2-7, a transverse hydraulic cylinder 2-6, a lifting guide bush 2- 8. Vertical guide column 2-9, vertical hydraulic cylinder 2-10; the traverse guide sleeve is embedded in the flatbed frame 1-5, and the transverse guide column 2-7 is embedded in the traverse In the guide sleeve, the horizontal hydraulic cylinder 2-6 is built in the horizontal guide column 2-7, one end of the horizontal hydraulic cylinder 2-6 is connected with the traverse guide sleeve, and the other end is connected with the lateral guide column. The column 2-7 is connected, and the expansion and contraction of the horizontal hydraulic cylinder 2-6 is used to control the lateral movement of the tire 2-3; the lifting guide sleeve 2-8 can be connected with the horizontal guide column 2-7 through the flange connection, the vertical guide column 2-9 is built in the lifting guide sleeve 2-8, the vertical hydraulic cylinder 2-10 is built in the vertical guide column 2-9, and the vertical hydraulic cylinder 2 One end of -10 is connected with the lifting guide sleeve 2-8, the other end is connected with the vertical guide column 2-9, the vertical guide column 2-9 is connected with the support, and the vertical hydraulic cylinder 2- The expansion and contraction of 10 is used for controlling the lifting of described tire 2-3. Thus, the lateral movement guide sleeve of the walking leg 1-2 is embedded in the flatbed frame 1-5, and the lateral movement of the walking leg 1-2 is realized through the built-in horizontal hydraulic cylinder 2-6, and the lateral movement of the walking leg 1-2 is realized by the horizontal guide post 2. The end of -7 is connected to the lifting guide sleeve 2-8 through a flange, and controls the built-in vertical hydraulic cylinder 2-10 to realize the lifting of the walking legs 1-2. The lateral movement and elevation of the tire 2-3 is controlled by the lateral movement and elevation of the walking outrigger 1-2. After the lateral movement and elevation of the tire 2-3, it can be stabilized in the tunnel wall, and by controlling the tire 2-3 Different lateral movement and lifting amount to adapt to different tunnel diameters, and can adapt to tunnel wall walking operations with inner diameters of 5.2m, 5.5m, and 6.0m.

Preferably, as shown in Figures 3a to 3c, the number of the tires 2-3 is two, and the support includes a horizontal frame 2-1 and two vertical frames 2-5, and the horizontal frame 2-1 The middle part is connected to the running leg 1-2, specifically the vertical guide column 2-9 connecting the running leg 1-2, and the upper ends of the two vertical frames 2-5 are respectively connected to the horizontal frame 2- 1, the lower end of the vertical frame 2-5 is connected to the tire 2-3. In addition, the bracket further includes a crossbar 2-4, and two ends of the crossbar 2-4 are connected to the two vertical frames 2-5.

Further, the substructure also includes a first hydraulic rod 2-2, the tire 2-3 is hinged to the bracket, and the upper end of the first hydraulic rod 2-2 is connected to the bracket (specifically, to the The vertical frame 2-5 is connected), the lower end is hinged with the tire 2-3, and the expansion and contraction of the first hydraulic rod 2-2 is used to control the swing angle of the tire 2-3. Thus, the tires 2-3 can swing angularly through the first hydraulic rod 2-2, as shown in Fig. 3b and Fig. 3c, different tire swing angles can be adapted to walking operations with flat bottom, circular, and horseshoe-shaped cross-sections.

Wherein, as shown in Fig. 4a and Fig. 4b, the wheel-rail running structure 1-4 includes: a transverse shaft 3-1, a sleeve 3-2, a lifting column 3-3, a second hydraulic rod 3-4, and a connecting plate 3-6. Wheel rail 3-5; the horizontal shaft 3-1 is connected to the flat support 1-5, and the two ends are respectively connected to a sleeve 3-2, and the sleeve 3-2 is socketed on the On the lifting column 3-3, the lower end of the lifting column 3-3 is connected to the connecting plate 3-6, the two ends of the bottom of the connecting plate 3-6 are installed with the wheel rail 3-5, and the second The upper end of the hydraulic rod 3-4 is connected to the sleeve 3-2, and the lower end is connected to the connecting plate 3-6, and the expansion and contraction of the second hydraulic rod 3-4 is used to control the movement of the wheel rail 3-5. lift. Thus, the wheel-rail running structure 1-4 is used for running on the main line track. When in use, the wheel-rail 3-5 is put down by the second hydraulic lever 3-4, and the wheel-rail running structure 1-4 can ensure that the flatbed truck The height of the recesses of frames 1-5 is low enough and the structure of the double wheel set can be switched normally.

The process of wheel set switching is as follows:

From the main line track to the tunnel wall, the wheel-rail structure is switched to the tire running structure, specifically: the horizontal hydraulic cylinder 2-6 and the vertical hydraulic cylinder 2-8 of the running outrigger 1-2 are stretched, and the horizontal direction is completed successively. Stretch and lift vertically, so that the tires 2-3 of the tire running structure stick to the arc-shaped tunnel wall until it bears the weight of the whole vehicle. At this time, the second hydraulic rod 3-4 of the wheel-rail running structure is contracted until the wheel-rail 3 -5 is suspended in the air, so that the tire running structure can bear the weight of the whole vehicle.

From the tunnel wall to the main line track, the tire-shaped structure is switched to the wheel-rail running structure, specifically: the whole vehicle travels from the tunnel wall to the top of the main line track, and the second hydraulic rod 3-4 of the wheel-rail running structure is extended. , lifting the wheel-rail running structure to support the weight of the whole vehicle, shrinking the horizontal hydraulic cylinder 2-6 and the vertical hydraulic cylinder 2-8 of the running outrigger 1-2, so that the tire running structure is suspended.

In the present invention, the wheel-rail traveling structure 1-4 is adopted for the transport equipment to travel on the main line track, which can be driven in two directions. At this time, the tire traveling structure 1-3 shrinks and hangs in the air. In the tunnel cushion area, the tire running structure 1-3 is used to walk on the tunnel wall. At this time, the wheel-rail running structure 1-4 shrinks and hangs in the air without interfering with the cushion. The tire running structure 1-3 is used for walking on the tunnel wall, and the telescopic width of the tire running structure 1-3 can also be adjusted according to the tunnel diameter, which can be adapted to the tunnel wall walking operation with an inner diameter of 5.2m, 5.5m, and 6.0m.

The transportation equipment adopts the tire running structure 1-3 in the platform section to pass normally without interference, the tires are vertically in contact with the flat ground, and the outside of the whole machine has no conflict and interference with the civil air defense door structure. When walking on the tunnel wall, the entire equipment can pass through the inside of the tire-type track-laying machine in a retracted state. Among them, the transportation equipment can adopt the wheel-rail running structure 1-4 or the tire running structure 1-3 in the newly poured ballast bed section, and ensure that the rail adjustment bracket does not interfere with or collide with the running structure during operation. When transporting at the transfer site, it is towed by a trailer, and 1 to 2 transport equipment can be loaded at a time for transfer.

The flat vehicle frame 1-5 is the bearing and transportation structure of the whole transportation equipment. As shown in Figures 5a to 5b, the flatbed frame 1-5 has a concave structure as a whole, and the concave area is used to carry materials 4-2. The flat frame 1-5 is welded by channel steel, I-beam and steel plate, mainly including concave flat plate 4-1, main beam 4-3, cross beam 4-4, end beam 4-5, support beam 4- 6. Four long I-beams are placed vertically as the main beam 4-3 for carrying the plate, and short channel steel and I-beam are used as beams 4-4 to be welded between two adjacent main beams 4-3 I-beams connect. The end beams 4-5 are welded with channel steel and I-beams, and are respectively used as connecting beams at the front and rear ends of the main beam 4-3. The intersection of the support beam 4-6 and the main beam 4-3 is connected by welding.

Based on the same inventive concept, the present invention also provides a method for using the above-mentioned new energy dual-running system rail transportation equipment, as shown in Figure 6a, including the following steps:

S1. Use a gantry crane to hoist the materials into the flat frame at the feeding port;

S2. Control the front cab, adopt the wheel-rail running structure, travel on the main line track to stop at the end position of the main line track;

S3, switch to the tire running structure, travel on the tunnel wall until the rail material installation work surface stops;

S4. After the unloading is completed, control the rear cab, adopt the tire running structure, and return to the main track position on the tunnel wall.

Specifically, as shown in Figure 6b, construction preparations first include technical preparations and vehicle status inspections, wherein technical preparations include rail panel assembly and rail panel hoisting, and vehicle status inspections include inspections of power units 1-6, electronic control systems 1 -7. Whether the hydraulic system 1-8 and other equipment are working normally.

When the gantry crane lifts the rail material to the double-travel system rail transportation equipment, the equipment is located on the main track at this time, so it adopts the wheel-rail travel system. After the hoisting is completed, the driver can control the front cab and use the wheel-rail travel system structure, and stop at the end of the main line track when the main line track travels. Turn on the obstacle detection device during driving, and take emergency braking measures if an obstacle is detected, and continue driving after the obstacle is dealt with. At the end of the main line track, switch to the tire running structure, and run on the tunnel wall until the rail material installation work surface stops. Use the track laying machine to hoist the materials to the working surface for construction. After the unloading is completed, the driver controls the rear cab. Rail running structure, travel on the main line track to stop at the discharge port, and prepare for the next transportation operation. Turn on the obstacle detection device during driving, and take emergency braking measures if an obstacle is detected, and continue driving after the obstacle is dealt with.

When the transportation equipment is transferred to another site, use the base gantry crane or truck crane to lift the whole machine to the long-distance freight trailer, and then transfer it to the next work site after being bound and fixed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. Various modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the above disclosure. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (13)

1. A new energy dual-running system rail transportation equipment, characterized in that it includes:

   flat frame;

   Two driver's cabs are respectively arranged at the front end and the rear end of the flat frame;

   The dual running system includes two wheel-rail running structures and two tire running structures, one wheel-rail running structure and one tire running structure are arranged under the front end of the flat frame, the other wheel-rail running structure and the other tire running structure set under the rear end of the flatbed frame;

   The power unit, the electric control system, and the hydraulic system are arranged at the middle bottom of the flat frame, the power unit is used to provide driving force for the whole vehicle, the electric control system and the hydraulic system are used to control the switching of wheel sets, Switch to the wheel-rail running structure when running on the main track, and switch to the tire-type running structure when running on the tunnel wall or flat road.
2. The new energy dual-running system rail transportation equipment according to claim 1, wherein the tire running structure includes two symmetrically arranged substructures, the substructures include running legs, brackets, and tires, and the running structure Outriggers are connected to the flat vehicle frame and the bracket, the bracket is connected to the tire, and the running outrigger is used to control the lateral movement and elevation of the tire.
3. The new energy dual-running system rail transportation equipment according to claim 2, wherein the running legs include a traverse guide sleeve, a lateral guide column, a horizontal hydraulic cylinder, a lifting guide sleeve, a vertical guide column, a vertical hydraulic cylinder;

   The traversing guide sleeve is embedded in the flatbed frame, the lateral guide post is built in the traversing guide sleeve, the lateral hydraulic cylinder is built in the lateral guide post, and the lateral hydraulic cylinder One end of one end is connected with the traverse guide sleeve, and the other end is connected with the traverse guide column, and the expansion and contraction of the traverse hydraulic rod is used to control the traverse movement of the tire;

   The lifting guide sleeve is connected with the horizontal guide column, the vertical guide column is built in the lifting guide sleeve, the vertical hydraulic cylinder is built in the vertical guide column, and the upper end of the vertical hydraulic cylinder It is connected with the lifting guide sleeve, and the lower end is connected with the vertical guide column, and the vertical guide column is connected with the support. The expansion and contraction of the vertical hydraulic cylinder is used to control the lifting of the tire.
4. The new energy dual-running system rail transportation equipment according to claim 2, wherein the number of the tires is two, the support includes a horizontal frame and two vertical frames, and the middle part of the horizontal frame is connected to the The upper ends of the two vertical frames are respectively connected to the two ends of the horizontal frame, and the lower ends of the vertical frames are connected to the tires.
5. The new energy dual-running system rail transportation device according to claim 4, wherein the support further includes a cross bar, and the two ends of the cross bar are connected to the two vertical frames.
6. The new energy dual-running system rail transportation equipment according to claim 2, wherein the substructure further includes a first hydraulic rod, the tire is hinged to the bracket, and the upper end of the first hydraulic rod is connected to the The bracket is connected, the lower end is hinged with the tire, and the expansion and contraction of the first hydraulic rod is used to control the swing angle of the tire.
7. The new energy dual-running system rail transportation equipment according to claim 1, wherein the wheel-rail running structure includes: a transverse shaft, a sleeve, a lifting column, a second hydraulic rod, a connecting plate, and a wheel-rail;

   The horizontal shaft is connected to the flat support, and two ends are respectively connected to a sleeve, and the sleeve is sleeved on the lifting column, and the lower end of the lifting column is connected to the connecting plate, and the connecting plate The wheel rails are installed at both ends of the bottom, the upper end of the second hydraulic rod is connected with the sleeve, and the lower end is connected with the connecting plate, and the expansion and contraction of the second hydraulic rod is used to control the lifting of the wheel rails.
8. The new energy dual-running system rail transportation equipment according to claim 1, wherein the two cabs are controlled by interlocking, and each cab has all the functions of controlling the entire vehicle.
9. The new energy dual-running system rail transportation equipment according to claim 1, wherein the flat vehicle frame as a whole has a concave structure for loading rail panels or equipment.
10. The new energy dual-running system rail transportation device according to claim 9, wherein the flat vehicle frame includes a concave flat plate, a main beam, a beam, an end beam and a support beam.
11. The new energy dual-running system rail transportation equipment according to claim 1, wherein the power device includes a power battery, a cable, and a charging pile.
12. A method for using the new energy dual-running system rail transportation equipment according to any one of claims 1 to 11, characterized in that it comprises the following steps:

    S1. Use a gantry crane to hoist the materials into the flat frame at the feeding port;

    S2. Control the front cab, adopt the wheel-rail running structure, travel on the main line track to stop at the end position of the main line track;

    S3, switch to the tire running structure, travel on the tunnel wall until the rail material installation work surface stops;

    S4. After the unloading is completed, control the rear cab, adopt the tire running structure, and return to the main track position on the tunnel wall;

    S5. Switch to the wheel-rail running structure, travel on the main line track to stop at the discharge port, and prepare for the next transportation operation.
13. The method of using the new energy dual-running system rail transportation equipment according to claim 12, characterized in that, in steps S2 and S5, it also includes:

    Turn on the obstacle detection equipment, take emergency braking measures when an obstacle is detected, and continue driving after the obstacle is dealt with.

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