CN113665616A

CN113665616A - Embedded machineshop car for magnetic levitation system

Info

Publication number: CN113665616A
Application number: CN202111071659.2A
Authority: CN
Inventors: 刘旭; 张诚实; 李云川; 程娟娟
Original assignee: Chengdu Xinzhu Road and Bridge Machinery Co Ltd
Current assignee: Sichuan Development Maglev Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2021-11-19

Abstract

The invention discloses an engineering vehicle for an embedded magnetic levitation system, which comprises: the power and auxiliary system is arranged on the frame and is configured to provide driving force for a wheel set device of the bogie; the bogie is arranged on the lower side of the frame and comprises a bogie frame, a wheel-pair axle box damping system and a guide device; the wheel-set axle box damping system is fixedly connected below the bogie frame, and a wheel-set device in the wheel-set axle box damping system is positioned on the upper surface of a track beam of the embedded magnetic suspension system; the guide devices are arranged on two sides below the bogie frame, and guide wheels of the guide devices are arranged against two inner side surfaces of the track beam. Through the structural arrangement of the engineering truck, the engineering truck can be used for rescue traction operation and track maintenance operation on an embedded magnetic suspension system.

Description

Embedded machineshop car for magnetic levitation system

Technical Field

The invention belongs to the field of magnetic levitation transportation vehicle rescue and track maintenance, and particularly relates to an engineering vehicle for embedded magnetic levitation traction maintenance, which is used for rescue traction of an embedded magnetic levitation vehicle and maintenance of an embedded magnetic levitation system.

Background

The prior embedded magnetic suspension system is still in a research and development test stage; embedded magnetic levitation systems have no commercial operating lines worldwide. The engineering vehicle for vehicle rescue traction and track system maintenance is not applied.

In particular, for the C-shaped beam structure guide rail of the embedded magnetic suspension system, at present, no engineering vehicle suitable for the guide rail is available. Therefore, there is a need to develop a mobile machinery shop for embedded magnetic levitation system.

Disclosure of Invention

The invention aims to: in order to overcome the problems in the prior art, the engineering vehicle for the embedded magnetic suspension system is provided, and the problem of rescue traction on the embedded magnetic suspension system and the problem of maintenance of the embedded magnetic suspension system are solved through the engineering vehicle.

The purpose of the invention is realized by the following technical scheme:

an engineering vehicle for an embedded magnetic levitation system, the engineering vehicle comprising: the power and auxiliary system is arranged on the frame and is configured to provide driving force for a wheel set device of the bogie; the bogie is arranged on the lower side of the frame and comprises a bogie frame, a wheel-pair axle box damping system and a guide device; the wheel-set axle box damping system is fixedly connected below the bogie frame, and a wheel-set device in the wheel-set axle box damping system is positioned on the upper surface of a track beam of the embedded magnetic suspension system; the guide devices are arranged on two sides below the bogie frame, and guide wheels of the guide devices are arranged against two inner side surfaces of the track beam.

According to a preferred embodiment, the wheel-set axle box damping system further comprises an axle box device and a damping system, the axle box device is arranged at a bearing position of the wheel-set device, the damping system is arranged on the upper surface of the box body of the axle box device, and the top end of the damping system is connected with the bogie frame.

According to a preferred embodiment, the guide device further comprises an upper support and a guide wheel support, the top end of the upper support is fixedly connected with the bogie frame, the bottom end of the upper support is hinged with the guide wheel support, and the guide wheel is fixed on the side of the guide wheel support through a guide wheel shaft; and an elastic supporting structure is also arranged between the upper bracket and the guide wheel bracket.

According to a preferred embodiment, the elastic shoring structure comprises a prepressing hinged shaft, a prepressing shaft and a prepressing spring, wherein one end of the prepressing spring is connected with the upper support, and the other end of the prepressing spring is connected with one end part of the prepressing shaft; the other end of the prepressing shaft is hinged with the guide wheel bracket through a prepressing hinged shaft.

According to a preferred embodiment, the bogie frame comprises a structural frame member, wherein a lower center plate is arranged at the center of the upper surface of the structural frame member; the frame includes the skeleton and sets up in the traction center of kernel dish of skeleton bottom surface, down the center dish nestification in traction center of kernel dish.

According to a preferred embodiment, the bogie frame further comprises: the side bearings are arranged on two sides of the upper surface of the structural frame member.

According to a preferred embodiment, the engineering vehicle further comprises an auxiliary structure and a coupler, wherein the auxiliary structure is fixedly connected to the lower surface of the end part of the frame, and the coupler is fixedly connected to the auxiliary structure.

According to a preferred embodiment, the auxiliary structure is also provided with a rail maintenance system.

According to a preferred embodiment, the two ends of the frame are respectively provided with a cab.

The aforementioned main aspects of the invention and their respective further alternatives can be freely combined to form a plurality of aspects, all of which are aspects that can be adopted and claimed by the present invention. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.

The invention has the beneficial effects that: through the structural arrangement of the engineering vehicle, the engineering vehicle can be used for rescue traction operation on the embedded magnetic suspension system and track maintenance operation of the embedded magnetic suspension system.

Drawings

FIG. 1 is a schematic view of the overall structure of the engineering truck of the present invention;

FIG. 2 is a schematic structural diagram of a frame of the engineering truck according to the invention;

FIG. 3 is a schematic structural view of a bogie of the engineering truck of the invention;

FIG. 4 is a schematic view of the position of the bogie of the engineering truck

FIG. 5 is a schematic structural diagram of a bogie frame of the engineering truck of the invention;

FIG. 6 is a schematic structural diagram of a damping system of an engineering vehicle wheel pair axle box according to the invention;

FIG. 7 is a schematic structural view of a guiding device of the engineering truck of the invention;

wherein 0-track beam, 01-upper surface, 02-inner side, 1-cab, 2-frame, 3-power and auxiliary system, 4-auxiliary structure, 5-coupler, 6-bogie, 7-track maintenance system, 21-frame skeleton, 22-traction upper center plate, 23-main frame pedal, 61-bogie frame, 62-wheel-set axle-box damping system, 63-guiding device, 611-frame structural member, 612-lower center plate, 613-side bearing, 614-wheel-set axle-box interface, 615-guiding device interface, 621-wheel-set, 622-axle-box device, 623-damping system, 631-guiding device upper support, 632-support hinge shaft, 633-guiding wheel support, 634-guide wheel shaft, 635-guide wheel, 636-prepressing articulated shaft, 637-prepressing shaft and 638-prepressing spring.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, there is shown a work vehicle for an embedded magnetic levitation system, the work vehicle comprising: a cab 1, a frame 2, a power and auxiliary system 3, an auxiliary structure 4, a coupler 5, a bogie 6 and a track maintenance system 7.

The frame 2 is the foundation of other systems or components of the embedded magnetic levitation traction maintenance engineering truck, and other components are installed on the frame 2 through different interfaces. A set of cab 1 is respectively arranged in the front and back directions of the vehicle; the main functions of the bidirectional driving cab are to provide an operation space and an operation interface for operation technicians, ensure the safety of the operation technicians and arrange two driving cabs to facilitate bidirectional driving. The power and auxiliary system 3 is arranged on the upper surface of the frame 2 in the middle of the vehicle, and mainly has the functions of providing main power, various auxiliary powers and power and air supply devices for the whole vehicle. The auxiliary structure 4 is arranged on the lower surface of the frame 2, and has the main functions of adjusting the weight distribution of the whole vehicle, providing an installation interface for the coupler 5 and the track maintenance system 7 and storing various consumables required in track maintenance work. The coupler 5 is arranged at the front end and the rear end of the vehicle respectively, and particularly, the coupler auxiliary structure 4 is arranged on the coupler; the main function of the device is to connect the magnetic suspension vehicle and the engineering vehicle and transmit traction and braking force in the process of traction rescue, including mechanical connection and electrical connection. The bogie 6 is arranged on the lower surface of the frame 2, and two sets of bogies 6 are arranged at a certain distance from the front to the back of the vehicle, and the bogie has the main functions of bearing, traction, braking, steering and guiding for the engineering truck. A set of track maintenance systems 7 is arranged in the front-rear direction of the vehicle, connected to the auxiliary structure 4, and has the main functions of deicing, cleaning, rust prevention and the like of the track.

As shown in fig. 2, the frame 2 mainly includes three parts, namely a frame 21, a traction upper center plate 22 and a main frame pedal 23. The frame framework 21 is formed by welding various profiles and is the basis of the rest systems or components of the frame 2, and the rest components are all arranged on the frame framework 21 through different interfaces. Two groups of traction upper center plates 22 are arranged at a certain distance from the front to the back of the lower bottom surface of the frame framework 21; the main function of the device is to connect the frame 2 and the bogie 6 with the lower center plate 612 in a matching way, transmit traction force and braking force, and release the swing freedom, partial side rolling freedom and partial nodding freedom between the bogie and the frame. A main frame pedal 23 is arranged on the upper surface of the frame 2; the main function of the device is to provide a platform for the engineering vehicle to pass and stand by and provide a mounting platform for some small-mass equipment.

As shown in fig. 3 and 4, the bogie 6 is disposed at a lower side of the vehicle frame 2, and the bogie 6 includes a bogie frame 61, a wheel-set axle box damping system 62, and a guide device 63.

The wheel-set axle-box damping system 62 is fixedly connected below the bogie frame 61, and the wheel-set 621 of the wheel-set axle-box damping system 62 is located on the upper surface of the track beam of the embedded magnetic levitation system. The guide devices 63 are disposed on two sides of the lower portion of the bogie frame 61, and the guide wheels 635 of the guide devices 63 are disposed to abut against two inner side surfaces of the track beam.

In particular, the bogie frame 61 is the basis for the remaining components on the bogie 6, which are mounted on the bogie frame 61 by different interfaces. The main function of the truck frame 61 is to provide a mounting interface to transfer various loads. Two sets of wheel-set axle box damping systems 62 are arranged at a certain distance in front and at the back of the lower bottom surface of the bogie frame 61, and the wheel-set axle box damping systems have the main functions of converting the energy of a power system into the traction force and the braking force of the engineering vehicle relative to a track beam and transmitting the traction force and the braking force to the bogie frame and have the damping and buffering functions. Four groups of guide devices 63 are arranged on the periphery of the lower bottom surface of the bogie frame 61; the main function of the track beam is to be tightly attached to the inner side 02 of the track beam 0 and guide the engineering truck by using the inner side 02 of the track beam 0.

Preferably as shown in fig. 5. The bogie frame 61 includes a frame structural member 611, and a lower center plate 612 is provided at a central position of an upper surface of the frame structural member 611. The lower core plate 612 nests within the pulling upper core plate. Thus, the upper core plate 22 and the lower core plate 612 are drawn to realize the matching connection of the connecting frame 2 and the bogie 6. The bogie frame 61 further includes: side bearings 613, wheel-to-axle housing interfaces 614, and guide interfaces 615, the side bearings 613 being disposed on either side of the upper surface of the frame structure 611.

In particular, the frame structure 611 is the basis for the remaining systems or components of the bogie frame 61, which are mounted to the frame structure 611 via various interfaces, the main functions of which are load bearing, force transmitting and interface providing.

The center of the upper surface of the structural member 611 of the frame is provided with a group of lower center plates 612, which mainly has the functions of connecting the frame and the bogie in a matching way with the traction upper center plate 22, transmitting traction force and braking force, and releasing the swinging freedom, partial side rolling freedom and partial nodding freedom between the bogie and the frame.

Two sets of side bearings 613 are disposed on the left and right sides of the upper surface of the frame structure 611, and mainly function to provide support and shock absorption for the side rollers of the frame 2, and also function as a friction pair for the swinging motion between the bogie 6 and the frame 2. Four sets of wheel-set axle-box connectors 614 are disposed in the middle of the lower surface of the frame structure 611, and their main functions are to connect the frame structure 611 and the wheel-set axle-box damping system 62, and to transmit traction, braking, vertical forces, etc. Four sets of guide interfaces 615 are disposed around the lower surface of the structural frame member 611 and serve the primary function of connecting the structural frame member 611 to the guides 63 and transmitting the various forces therebetween.

As shown in fig. 6, the wheelset-axle box damping system 62 includes wheelset 621, axle box 622, and damping system 623. The axle box assemblies 622 are disposed at the bearing locations of the wheelset assemblies 621, the shock absorbing system 623 is disposed on the upper surface of the axle box assemblies 622, and the top end of the shock absorbing system 623 is connected to the bogie frame 61.

Specifically, the wheelset 621 is mainly used to ensure that the engineering truck runs on the running surface, bear all static and dynamic loads from the truck, and transmit the static and dynamic loads to the running surface. And the driving and braking of the work vehicle are also effected by the wheelset 621. Preferably, the contact surface between the wheels and the running surface of the engineering wheel pair device 621 in this embodiment is made of rubber, so that the contact friction coefficient is improved, and the contact stress of the wheel pair to the upper surface 01 of the rail is reduced. Two sets of axle box devices 622 are disposed at the bearing positions of the wheelset 621, and the main function of the axle box devices 622 is to connect the wheelset 621 and the frame structure 611, convert the rotational motion of the wheelset into the linear motion of the engineering vehicle, and transfer various static and dynamic loads between the wheelset and the frame structure 611. The upper surfaces of the box bodies of the two groups of axle box devices 622 are respectively provided with a group of damping systems 623; the damping and buffering device has the main function of damping and buffering to reduce the influence of vibration of the parts under the spring on the driving comfort of the engineering truck.

Preferably as shown in fig. 7. The guiding device 63 includes an upper support 631, a guiding wheel support 633, and a guiding wheel 635, wherein the top end of the upper support 631 is fixedly connected to the bogie frame 61, the bottom end of the upper support 631 is hinged to the guiding wheel support 633, and the guiding wheel 635 is fixed to the side of the guiding wheel support 633 via a guiding wheel axle 634. And an elastic supporting structure is arranged between the upper support 631 and the guide wheel support 633. The pre-pressing of the idler wheel holder 633 is accomplished by the elastic shoring structure such that the idler wheel holder 633 has a tendency to rotate about a holder hinge axis 632 with respect to the upper holder 631. Thereby, the guide wheel 635 on the guide wheel bracket 633 can be abutted against the inner side surface 02 of the track beam 0 to realize the vehicle body guiding function.

Preferably, the elastic top bracing structure comprises a pre-pressing hinge shaft 636, a pre-pressing shaft 637 and a pre-pressing spring 638, wherein one end of the pre-pressing spring 638 is connected with the upper bracket 631, and the other end is connected with one end of the pre-pressing shaft 637; the other end of the pre-pressing shaft 637 is hinged with the guide wheel bracket 633 through a pre-pressing hinge shaft 636.

Specifically, the main function of the guide device 63 is to provide a pressing guide force for the traveling of the engineering vehicle, so that the engineering vehicle can travel along the rail system.

The upper bracket 631 of the guide 63 connects the entire guide to the frame structure 611. The guide wheel bracket 633 is connected to the upper bracket 631 of the guide device by a bracket hinge shaft 632. The idler wheel support 633 can rotate about a support hinge axis, which enables the idler wheel 635 to float in the direction of the guide surface normal.

The guide wheel 635 is connected with the guide wheel bracket 633 through a guide wheel shaft 634; the guide wheel can rotate around the guide wheel shaft to realize the rolling motion of the guide wheel along the guide surface. The pre-pressing shaft 637 is connected with the guide wheel bracket 633 through a pre-pressing hinge shaft 636; the pre-pressure is transmitted to the guide wheel support 633 via the pre-pressure shaft 637. The pre-pressure shaft 637 is connected to the upper bracket 631 of the guide by a pre-pressure spring 638; the pre-pressure spring 633 will generate pre-pressure, which will transmit the pre-pressure to the pre-pressure shaft 637, and the upper support 631 will also have a limiting effect on the pre-pressure shaft 637, so as to control the pressure and position relationship of the guide wheel 635 in the normal direction of the guide surface.

Through the structural arrangement of the engineering vehicle, the engineering vehicle can be used for rescue traction operation on the embedded magnetic suspension system and track maintenance operation of the embedded magnetic suspension system.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an embedded machineshop car for magnetic levitation system which characterized in that, the machineshop car includes: a frame (2), a power and auxiliary system (3) and a bogie (6),

the power and auxiliary system (3) is arranged above the frame (2) and is configured to provide driving force for a wheelset arrangement (621) of the bogie (6);

the bogie (6) is arranged on the lower side of the frame (2), and the bogie (6) comprises a bogie frame (61), a wheel-pair axle box damping system (62) and a guide device (63);

wherein the wheel-set axle box damping system (62) is fixedly connected below the bogie frame (61), and a wheel-set device (621) in the wheel-set axle box damping system (62) is positioned on the upper surface (01) of a track beam (0) of the embedded magnetic levitation system;

the guide devices (63) are arranged on two sides below the bogie frame (61), and guide wheels (635) of the guide devices (63) are arranged against two inner side surfaces (02) of the track beam (0).

2. The work vehicle according to claim 1, wherein said wheel-pair axle-box shock absorbing system (62) further comprises an axle-box assembly (622) and a shock absorbing system (623),

the axle box device (622) is arranged at the bearing position of the wheel set device (621), the shock absorption system (623) is arranged on the upper surface of the box body of the axle box device (622), and the top end of the shock absorption system (623) is connected with the bogie frame (61).

3. Machineshop car according to claim 1, wherein the guiding means (63) further comprises an upper bracket (631), a guide wheel bracket (633),

the top end of the upper support (631) is fixedly connected with the bogie frame (61), the bottom end of the upper support (631) is hinged with the guide wheel support (633), and the guide wheel (635) is fixed on the side of the guide wheel support (633) through a guide wheel shaft (634);

and an elastic supporting structure is also arranged between the upper support (631) and the guide wheel support (633).

4. The machineshop car of claim 3, wherein the elastic top bracing structure comprises a pre-compression hinge shaft (636), a pre-compression shaft (637), and a pre-compression spring (638),

one end of the pre-pressing spring (638) is connected with the upper support (631), and the other end of the pre-pressing spring is connected with one end of the pre-pressing shaft (637);

the other end of the pre-pressing shaft (637) is hinged with the guide wheel bracket (633) through a pre-pressing hinge shaft (636).

5. The vehicle according to claim 1, wherein the bogie frame (61) comprises a frame structure member (611), and a lower center plate (612) is provided at a central position of an upper surface of the frame structure member (611);

the frame (2) comprises a framework (21) and a traction upper center plate (22) arranged on the bottom surface of the framework (21), and the lower center plate (612) is nested in the traction upper center plate (22).

6. The work vehicle according to claim 5, characterized in that said bogie frame (61) further comprises: a side bearing (613), a wheel-to-axle housing interface (614), and a guide interface (615), the side bearing (613) being disposed on both sides of an upper surface of the frame structure (611).

7. The work vehicle according to claim 1, characterized in that the work vehicle further comprises an auxiliary structure (4) and a coupler (5),

the auxiliary structure (4) is fixedly connected to the lower surface of the end part of the frame (2), and the coupler (5) is fixedly connected onto the auxiliary structure (4).

8. Machineshop car according to claim 7, wherein a track maintenance system (7) is further provided on the auxiliary structure (4).

9. The vehicle according to claim 7, characterized in that the vehicle frame (2) is provided with a cab (1) at each end.