CN213109319U - Electric transmission bogie for track engineering vehicle and track engineering vehicle - Google Patents
Electric transmission bogie for track engineering vehicle and track engineering vehicle Download PDFInfo
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- CN213109319U CN213109319U CN202021601201.4U CN202021601201U CN213109319U CN 213109319 U CN213109319 U CN 213109319U CN 202021601201 U CN202021601201 U CN 202021601201U CN 213109319 U CN213109319 U CN 213109319U
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Abstract
The embodiment of the application provides an electric drive bogie for a rail engineering vehicle and the rail engineering vehicle, relates to a bogie device used in the field of railway engineering, and is used for solving the problems of lower transmission efficiency, difficulty in maintenance and repair and large occupied space of the bogie device of the conventional rail engineering vehicle. The electric drive bogie for the rail engineering vehicle comprises: a frame; the traction device is arranged on the framework and used for connecting the bogie to the body of the rail engineering vehicle and transmitting traction force or braking force; an axle-box wheelset device having wheelsets and axle boxes for connecting the wheelsets to a frame; the foundation brake device is arranged on the framework and is arranged close to the wheel pair; the power transmission devices are obliquely and symmetrically arranged on two sides of the central line of the framework; the device is provided with a traction motor, a reduction gearbox and an elastic coupling, wherein the reduction gearbox is connected with the wheel pair, and the elastic coupling connects the reduction gearbox with the traction motor; a primary suspension disposed between the frame and the axlebox assembly.
Description
Technical Field
The application relates to a bogie device used in the field of railway engineering, in particular to an electric transmission bogie used for a rail engineering vehicle and the rail engineering vehicle.
Background
Bogie-the running gear of modern vehicles mostly takes the form of a bogie, which has the main functions of: bearing the weight of each part above the frame; ensuring necessary adhesion; the vehicle has good stability and stability during running; the vehicle is ensured to pass through the curve smoothly; the necessary braking force is generated.
At present, large-scale rail engineering vehicles are powered by an internal combustion engine through hydraulic transmission, hydraulic transmission or mechanical transmission. When hydraulic or hydraulic transmission is adopted, the efficiency is 0.7-0.8, the efficiency is low, a large number of oil pipelines need to be installed, the environment pollution is caused when the sealing is poor, and the maintenance and the overhaul are difficult. Although the mechanical transmission efficiency is high, the transmission device has a complex structure and occupies a large space, and most of the lower parts of the road maintenance mechanical chassis are provided with working devices with compact space and are difficult to arrange a lower mechanical transmission system.
Disclosure of Invention
The embodiment of the application provides an electric transmission bogie for a rail engineering vehicle and the rail engineering vehicle, and is used for solving the problems of low transmission efficiency, difficulty in maintenance and repair and large occupied space of a bogie device of the conventional rail engineering vehicle.
An embodiment of the first aspect of the present application provides an electric drive bogie for a rail engineering vehicle, including:
a frame;
the traction device is arranged on the framework and used for connecting the bogie to the body of the rail engineering vehicle and transmitting traction force or braking force;
an axle-box wheelset device having wheelsets and axle boxes for connecting the wheelsets to a frame;
the foundation brake device is arranged on the framework and is arranged close to the wheel pair;
the power transmission devices are obliquely and symmetrically arranged on two sides of the central line of the framework; the device is provided with a traction motor, a reduction gearbox and an elastic coupling, wherein the reduction gearbox is connected with the wheel pair, and the elastic coupling connects the reduction gearbox with the traction motor;
a primary suspension disposed between the frame and the axlebox assembly.
According to a second aspect of the application, an embodiment of the rail engineering vehicle is provided, which comprises a vehicle body and an electric drive bogie as described in any one of the foregoing, wherein the electric drive bogie is connected below the vehicle body.
The embodiment of the application provides an electric drive bogie and rail engineering car for rail engineering car, the traction motor on the framework is installed to the current drive that rail engineering car carried, traction motor passes through elastic coupling and reducing gear box drive wheel pair and rotates the walking, transmission power is big, alternating current drive's efficiency can reach between 0.86 ~ 0.9, the transmission is high-efficient and clean, and the overall structure of bogie is simple, reliable and stable, easy access and maintenance, can satisfy the user demand of large-scale rail engineering car axle load, little wheelbase. The axle weight of the electric transmission bogie in the embodiment of the application can reach 23t, is far greater than the axle weight of the conventional urban rail electric transmission bogie, can meet the use requirements of most rail engineering machinery, and meanwhile, the axle distance of the bogie is smaller than 2300mm, so that the lower working space of a rail engineering vehicle can be saved due to the compact structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a first schematic diagram of an electric drive truck according to an exemplary embodiment;
FIG. 2 is a second schematic structural view of an electric drive truck according to an exemplary embodiment;
FIG. 3 is a first schematic diagram illustrating the construction of an electric drive truck according to an exemplary embodiment;
FIG. 4 is a second schematic structural view of an electric drive truck in accordance with an exemplary embodiment;
FIG. 5 is a schematic diagram of an exemplary embodiment of an axle box connection in an electric drive truck.
Description of reference numerals:
1-a framework;
11-a cross beam; 111-traction motor mount; 112-gearbox hanging seat; 113-unit brake mount;
13-side beam; 131-an upper pull rod seat; 132-a lifting seat; 133-lateral stop; 134-vertical damper seat; 135-lower pull rod seat; 136-transverse damper seat;
2-a traction device;
3-axle box wheel set device; 31-wheel pair; 32-axle boxes; 321-an upper pull rod; 322-lower pull rod; 323-rubber sleeve;
51-a traction motor; 52-reduction gearbox; 53-elastic couplings; 61-steel spring; 62-vertical shock absorber; 71-a transverse damper; 72-rubber stack side bearing.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
At present, large-scale rail engineering vehicles are powered by an internal combustion engine through hydraulic transmission, hydraulic transmission or mechanical transmission. When hydraulic or hydraulic transmission is adopted, the efficiency is 0.7-0.8, the efficiency is low, a large number of oil pipelines need to be installed, the environment pollution is caused when the sealing is poor, and the maintenance and the overhaul are difficult. Although the mechanical transmission efficiency is high, the transmission device has a complex structure and occupies a large space, and most of the lower parts of the road maintenance mechanical chassis are provided with working devices with compact space and are difficult to arrange a lower mechanical transmission system.
The axle weight of the electric drive bogie used on the existing urban rail vehicle, locomotive vehicle or high-speed motor train vehicle is generally less than or equal to 18.5t, and the wheelbase is about 2500 mm; the axle weight of the existing large road maintenance machinery is about 21t, and the lower part of the underframe of the railway engineering vehicle is provided with a working device, so that the space is compact, and the existing electric drive bogie is difficult to meet the use requirement of the railway engineering vehicle.
In order to overcome the problems, the embodiment of the application provides an electric transmission bogie for a rail engineering vehicle and the rail engineering vehicle, the current delivered by the rail engineering vehicle drives a traction motor arranged on a framework, the traction motor drives a wheel pair to rotate and walk through an elastic coupling and a reduction gearbox, the transmission power is high, the efficiency of alternating current transmission can reach 0.86-0.9, the transmission is efficient and clean, the integral structure of the bogie is simple, stable and reliable, the overhaul and maintenance are convenient, and the use requirements of large axle load and small axle distance of a large-scale rail engineering vehicle can be met. The axle weight of the electric transmission bogie in the embodiment of the application can reach 23t, is far greater than the axle weight of the conventional urban rail electric transmission bogie, can meet the use requirements of most rail engineering machinery, and meanwhile, the axle distance of the bogie is smaller than 2300mm, so that the lower working space of a rail engineering vehicle can be saved due to the compact structure.
The structure, function and implementation process of the rail engineering truck provided by the embodiment are exemplified in the following with reference to the accompanying drawings.
A rail-bound work vehicle is a vehicle for performing a specific operation on a rail or a rail vehicle capable of running on a rail. For example, the rail vehicle may be a vehicle for maintenance of a rail.
The rail engineering vehicle provided by the embodiment comprises a vehicle body, a working device and an electric transmission bogie. The electric drive bogie and the working device are connected to the lower part of the vehicle body. The working device is used for performing specific functions of maintenance of the rail, for example, for grinding the rail and the like.
The electric transmission bogie is driven by the current output by the vehicle body to travel, and the traveling electric transmission bogie drives the vehicle body to travel together. The structure of the vehicle body may be similar to the conventional arrangement in the art, and the description of this embodiment is omitted here. The specific mechanism of the working device may be determined according to the actual situation, and the embodiment is not limited herein.
The structure of the electric drive bogie is explained below by way of example. It needs to be explained first: the longitudinal direction in the embodiment refers to the longitudinal direction of the rail engineering vehicle; the transverse direction refers to the transverse direction of the rail engineering vehicle; the vertical direction refers to the vertical direction of the rail engineering vehicle.
FIG. 1 is a first schematic diagram of an electric drive truck according to an exemplary embodiment; fig. 2 is a schematic structural diagram two of an electric drive bogie according to an exemplary embodiment. Wherein, fig. 1 can be a top view; fig. 2 is a front view.
As shown in fig. 1 and 2, the electric drive bogie includes: the device comprises a framework 1, a traction device 2, an axle box wheel pair device 3, a foundation brake device and a power transmission device. The frame 1 can be used as the main bearing body of the bogie. The traction device 2, the pedestal pan-wheel unit 3, the foundation brake device, the power transmission device, and the like can be provided to the frame 1 in a compact manner without interfering with each other.
The traction device 2 is used for connecting the bogie to the body of the rail engineering vehicle and transmitting traction force or braking force. A pedestal wheelset 3 having a wheelset 31 and an axle box 32, the axle box 32 connecting the wheelset 31 to the frame 1; wherein, the wheel pair 31 bears the whole vehicle weight, generates traction force or braking force through the adhesion between the wheel rails, and realizes the running of the vehicle through the rotation of the wheels; the wheel pair 31 can be formed by pressing and assembling axles and wheels which meet relevant standards, the wheel diameter is 840mm, and the axle weight is less than or equal to 23 t. And a foundation brake device arranged near the wheel pair 31.
The power transmission device is a set of speed reduction device, and the traction motor 51 meeting the use characteristics of the engineering vehicle is used for driving the power wheel pair 31. The power transmission devices are obliquely and symmetrically arranged on two sides of the central line of the framework 1. The power transmission device is provided with a traction motor 51, a reduction gearbox 52 and an elastic coupling 53, wherein the reduction gearbox 52 is connected to the wheel pair 31, and the elastic coupling 53 connects the reduction gearbox 52 with the traction motor 51. A traction motor 51 is respectively arranged on two sides of the bogie, a reduction gearbox 52 is arranged on each wheel pair 31, and the traction motor 51 is connected with the reduction gearbox 52 through an elastic coupling 53. A primary suspension is provided between the frame 1 and the axlebox assembly 3.
FIG. 3 is a first schematic diagram illustrating the construction of an electric drive truck according to an exemplary embodiment; fig. 4 is a schematic structural diagram two of an electric drive bogie according to an exemplary embodiment. Wherein, fig. 3 is a top view; fig. 4 is a front view.
The framework 1 is substantially H-shaped and comprises: two side members 13 of a variable cross-section box type and a cross member 11 connected to the two side members 13. The side member 13 includes: the upper cover plate and the lower cover plate are connected by the web, and the upper cover plate and the lower cover plate are welded by the web, or the web, the upper cover plate and the lower cover plate are integrally formed. The beam 11 comprises a plurality of steel pipes arranged side by side; the cross beam 11 comprises, for example, two steel tubes arranged side by side. So, do benefit to and realize the bogie lightweight, and do benefit to the bearing capacity who ensures the bogie.
The cross-sectional area of the middle portion of the side member 13 is larger than that of the end portion. Specifically, the width and thickness of the middle portion of the side member 13 may be respectively larger than the end portions of the side member 13; do benefit to when guaranteeing curb girder 13 intensity and bearing capacity, still do benefit to and realize the bogie lightweight. Wherein, the change part of the cross section area of the side beam 13 can be transited by a smooth curve to avoid the phenomenon of stress concentration. For example, the middle portion of the side member 13 is connected to the end portion of the side member 13 through a circular arc transition structure; wherein the circular arc transition structure comprises a plurality of circular arc plates for connecting the middle and the end of the side beam 13. In this example, the side beam 13 can ensure the strength and the bearing capacity of the side beam 13, and is also beneficial to realizing light weight of the bogie, and can ensure the height requirement when the side beam 13 is connected with the cross beam 11 and meet the space requirement for installing the axle box 32.
The cross beam 11 is connected to the middle parts of the two side beams 13; the cross beam 11 penetrates through the side beam 13 and is welded and fixed with the side beam 13, so that the connection reliability of the cross beam 11 and the side beam 13 is facilitated, and the bearing capacity of the framework 1 is ensured.
The beam 11 is provided with a traction motor mounting seat 111, a reduction gearbox hanging seat 112, a unit brake seat 113 and a traction pull rod seat. The middle part of the crossbeam 11 is arranged on a traction pull rod seat and is used for installing a traction pull rod of the traction device 2. Unit brake holders 113 are provided at both ends of the cross member 11 for mounting unit brakes of the foundation brake device. The reduction gearbox hanging seat 112 is arranged between the traction mounting seat and one of the unit brake seats 113 and is used for mounting the reduction gearbox 52. The traction motor mount 111 is provided between the traction mount and another unit brake mount 113, and mounts the traction motor 51.
In this example, through such overall arrangement, do benefit to the wheel base that reduces the bogie, do benefit to and make the structure of bogie compacter, and can ensure that each part can not interfere each other to do benefit to the size that reduces electric drive bogie, do benefit to the occupation space that reduces electric drive bogie, thereby satisfy rail engineering car's user demand.
The side beam 13 is provided with an upper tie rod seat 131, a lifting seat 132, a transverse stopper 133, a vertical damper seat 134, a lower tie rod seat 135 and a transverse damper seat 136 in sequence from the end part to the middle part.
FIG. 5 is a schematic diagram of an exemplary embodiment of an axle box connection in an electric drive truck.
As shown in fig. 4 and 5, the upper tie bar holder 131 is used for mounting an upper tie bar 321, the lower tie bar holder 135 is used for mounting a lower tie bar 322, the upper tie bar 321 and the lower tie bar 322 are used for mounting the axle box 32, and the ends of the upper tie bar 321 and the lower tie bar 322 are provided with rubber sleeves 323 for limiting the relative displacement between the axle box 32 and the frame 1 along the transverse direction and the longitudinal direction. The axle box 32 is a movable joint connecting the frame 1 and the wheel set 31, ensuring the rotation of the wheel set 31 and enabling the wheel set 31 to have proper transverse, longitudinal and equal displacements relative to the frame 1. The axlebox wheel set 3 further comprises an upper pull rod 321 and a lower pull rod 322, the upper pull rod 321 and the lower pull rod 322 are connected between the frame 1 and the axlebox 32, the end portions of the upper pull rod 321 and the lower pull rod 322 are provided with rubber sleeves 323, the rubber sleeves 323 are used for limiting the relative displacement between the axlebox 32 and the frame 1 in the transverse direction and the longitudinal direction, and allowing the axlebox 32 and the frame 1 to have larger relative displacement in the vertical direction, namely the up-down direction, so that elastic positioning is realized, and vertical vibration between a car body and a bogie is attenuated.
The hoisting base 132 is used for mounting a hoisting device; the lifting device and lateral stops 133 are connected to the axleboxes 32; vertical damper seat 134 is adapted to receive a primary suspension of vertical damper 62; the lifting base 132 is provided to the web of the side member 13; the transverse stopping block 133 is arranged on the lower cover plate of the side beam 13 and corresponds to the hoisting seat 132; the vertical damper seat 134 has an upper cover plate at least partially disposed on the side beam 13 and corresponds to the lifting seat 132; a transverse damper mount 136 is mounted to a central portion of the side member 13 for mounting the transverse damper 71.
In this example, through such overall arrangement, do benefit to the wheel base that reduces the bogie, do benefit to and make the structure of bogie compacter, and can ensure that each part can not interfere each other to do benefit to the size that reduces electric drive bogie, do benefit to the occupation space that reduces electric drive bogie, thereby satisfy rail engineering car's user demand.
Optionally, the side beam 13 is further provided with a plurality of steel spring seats 61, wherein two steel spring seats 61 are respectively located at two sides of the vertical damper seat 134; the steel spring 61 seat is used for installing a series of suspended steel springs 61. That is, each axle housing 32 corresponds to two sets of steel springs 61 and one vertical shock absorber 62; vertical shock absorber 62 may be a hydraulic shock absorber. In addition, the side member 13 may be provided with a tie stop for limiting a tie-off.
Optionally, the foundation brake device comprises unit brakes, one side of each wheel of the wheel pair 31 is provided with the unit brakes, the four unit brakes are symmetrically distributed along the center line of the bogie, and the unit brakes adopt a single-side brake shoe tread brake structure.
Optionally, the traction device 2 comprises: the traction base, the center pin spherical hinge, the traction pull rod and the center pin base; the center pin is pressed on a center pin seat, and the center pin seat is arranged on the underframe of the car body through a bolt; the traction seat is connected with the framework 1 through a traction pull rod to transmit traction force or braking force.
Optionally, the electric drive bogie further comprises a secondary suspension; the secondary suspension comprises a rubber stack side bearing 72, a transverse shock absorber 71 and a transverse stop 133; the rubber stack side bearing 72 is arranged on the side beams 13 of the framework 1, and can be arranged in the middle of the side beams 13, and each side beam 13 can be provided with a plurality of rubber stack side bearings 72; the rubber stack side bearing 72 is used for connecting with the vehicle body to provide vertical, transverse and torsional rigidity; a transverse damper 71 is mounted between the traction base of the traction device 2 and the frame 1 for damping transverse vibrations between the vehicle body and the bogie.
In the above example, the electric drive bogie conducts and dampens vertical forces through a suspension train mounted between the frame 1 and the axlebox 32. The elastic couplings 53 and rubber bushings 323 on the upper and lower tie rods 321, 322 of the axleboxes 32 ensure a proper amount of traverse between the wheel sets 31 and the frame 1. While the transverse stop 133 provided between the frame 1 and the axlebox 32 ensures that the transverse movement of the wheelset 31 is within a certain range. When the whole bogie is lifted, the separation of the framework 1 and the wheel pair 31 is avoided through the lifting device on the axle box 32. When the vehicle does traction movement, the traction motor 51 operates to drive the wheel pair 31 through the elastic coupling 53 and the reduction gearbox 52, and transmits the traction force or the braking force to the vehicle body through the upper pull rod 321 and the lower pull rod 322 of the axle box 32 on two sides of the wheel pair 31 to the framework 1, and then the traction device 2 transmits the traction force or the braking force to the vehicle body. When the vehicle brakes, the unit brake transmits the braking force to the wheel pair 31, then the braking force is transmitted to the framework 1 by the upper pull rod 321 and the lower pull rod 322 of the axle box 32, and then the traction device 2 transmits the braking force to the vehicle body to brake the vehicle.
The track machineshop car that this embodiment provided, the traction motor 51 on bogie frame 1 is installed in the current drive that the automobile body was carried, traction motor 51 drives wheel pair 31 through elastic coupling and reducing gear box 52 and rotates the walking, transmission power is big, alternating current drive's efficiency can reach between 0.86 ~ 0.9, the transmission is high-efficient and clean, and the overall structure of bogie is simple, reliable and stable, easy access and maintenance, can satisfy the big axle load of large-scale track machineshop car, the user demand of little wheel base. The axle weight of the electric transmission bogie of the embodiment can reach 23t, is far greater than that of the existing urban rail electric transmission bogie, can meet the use requirements of most rail engineering machinery, and meanwhile, the axle distance of the bogie is smaller than 2300mm, so that the structure is compact, and the working space of the lower part of a rail engineering vehicle can be saved.
The electric drive bogie of the embodiment can realize low constant speed, high torque or high speed output and can meet the operation requirements of most railway engineering vehicles. The electric transmission bogie for the rail engineering vehicle described in the specific embodiment of the invention can meet the following performance parameters and size requirements: shaft type; b0; wheelbase: less than or equal to 2300 mm; axle weight: less than or equal to 23 t; axle diameter center distance: less than or equal to 2000 mm; diameter of the wheel: less than or equal to 920 mm; track gauge: 1435 mm; designing speed: 120 km/h; by minimum curve radius: 145 m.
The present embodiment further provides an electric bogie for a rail engineering vehicle, which has the same structure, function and implementation process as the electric bogie in the foregoing embodiments, and the detailed description of the embodiment is omitted here,
the electric drive bogie for the rail engineering vehicle provided by the embodiment, the traction motor 51 arranged on the bogie frame 1 is driven by the current conveyed by the vehicle body of the rail engineering vehicle, the traction motor 51 drives the wheel pair 31 to rotate and walk through the elastic coupling and the reduction gearbox 52, the transmission power is high, the efficiency of alternating current transmission can reach 0.86-0.9, the transmission is efficient and clean, the whole structure of the bogie is simple, the bogie is stable and reliable, the bogie is convenient to overhaul and maintain, the use requirements of large axle weight and small axle distance of a large-scale rail engineering vehicle can be met. The axle weight of the electric transmission bogie in the embodiment of the application can reach 23t, is far greater than the axle weight of the conventional urban rail electric transmission bogie, can meet the use requirements of most rail engineering machinery, and meanwhile, the axle distance of the bogie is smaller than 2300mm, so that the lower working space of a rail engineering vehicle can be saved due to the compact structure.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. An electric drive truck for a rail working vehicle, comprising:
a frame;
the traction device is arranged on the framework and used for connecting the bogie to the body of the rail engineering vehicle and transmitting traction force or braking force;
an axle-box wheelset device having wheelsets and axle boxes for connecting the wheelsets to a frame;
the foundation brake device is arranged on the framework and is arranged close to the wheel pair;
the power transmission devices are obliquely and symmetrically arranged on two sides of the central line of the framework; the device is provided with a traction motor, a reduction gearbox and an elastic coupling, wherein the reduction gearbox is connected with the wheel pair, and the elastic coupling connects the reduction gearbox with the traction motor;
a primary suspension disposed between the frame and the axlebox wheel set;
the traction device comprises: the traction base, the center pin spherical hinge, the traction pull rod and the center pin base; the center pin is pressed on a center pin seat, and the center pin seat is arranged on the underframe of the vehicle body through a bolt; the traction seat is connected with the framework through the traction pull rod to transmit traction force or braking force.
2. Electric drive bogie for rail-bound engineering vehicles according to claim 1, characterized in that the framework comprises:
the cross-sectional area of the middle part of the side beam is larger than that of the end part of the side beam;
the cross beam is connected to the middle parts of the two side beams; the cross beam penetrates through the side beam and is fixedly welded with the side beam.
3. Electric drive bogie for rail-bound work vehicles according to claim 2,
the side member includes: the upper cover plate is connected with the lower cover plate through the web plate;
the thickness of the middle part of the side beam is larger than that of the end part of the side beam, and the middle part of the side beam is connected with the end part of the side beam through an arc transition structure;
the crossbeam includes a plurality of steel pipes that set up side by side.
4. The electric drive bogie for the rail engineering vehicle according to claim 2, wherein the beam is further provided with a traction motor mounting seat, a reduction gearbox hanging seat, a unit brake seat and a traction pull rod seat;
the middle part of the cross beam is provided with the traction pull rod seat which is used for installing a traction pull rod of the traction device;
the unit brake bases are arranged at two ends of the cross beam and used for installing unit brakes of the foundation brake device;
the reduction gearbox hanging seat is arranged between the traction pull rod seat and one of the unit brake seats and is used for mounting the reduction gearbox;
the traction motor mounting seat is arranged between the traction pull rod seat and the other unit brake seat and used for mounting the traction motor.
5. The electric drive bogie for the rail engineering vehicle according to claim 2, wherein the side beam is provided with an upper tie rod seat, a lifting seat, a transverse stop, a vertical damper seat, a lower tie rod seat and a transverse damper seat in sequence from the end part to the middle part;
the upper pull rod seat is used for installing an upper pull rod, the lower pull rod seat is used for installing a lower pull rod, the upper pull rod and the lower pull rod are used for installing an axle box, and rubber sleeves used for limiting the relative displacement of the axle box and the framework along the transverse direction and the longitudinal direction are arranged at the end parts of the upper pull rod and the lower pull rod;
the lifting seat is used for installing a lifting device; the hoisting device and the transverse stop are connected to the axle box; the vertical shock absorber seat is used for mounting the primary suspension vertical shock absorber; the lifting seat is arranged on a web plate of the side beam; the transverse stopping block is arranged on the lower cover plate of the side beam and corresponds to the lifting seat; the vertical shock absorber seat is at least partially arranged on an upper cover plate of the side beam and corresponds to the hoisting seat;
the transverse shock absorber seat is arranged in the middle of the side beam and used for installing a transverse shock absorber.
6. The electric drive bogie for the rail machineshop car according to claim 5, wherein the side beam is further provided with a plurality of steel spring seats, two of which are respectively located at both sides of the vertical damper seat; the steel spring seat is used for installing the primary suspended steel spring.
7. An electric drive bogie for a rail working vehicle according to claim 1, characterized in that the foundation brake arrangement comprises unit brakes provided on one side of each wheel of the wheel pair, four of which are symmetrically distributed along the centre line of the bogie, said unit brakes being of a single-sided shoe-tread braking configuration.
8. The electric drive truck for a rail working vehicle according to claim 1, further comprising a secondary suspension; the secondary suspension comprises a rubber stack side bearing, a transverse shock absorber and a transverse stop;
the rubber stack side bearing is arranged on a side beam of the framework and is used for being connected with a vehicle body to provide vertical rigidity, transverse rigidity and torsional rigidity;
the transverse shock absorber is arranged between a traction seat and a framework of the traction device and is used for attenuating transverse vibration between a vehicle body and a bogie;
the lateral stoppers are provided to the side members of the frame and connected to the axle boxes.
9. A rail-bound work vehicle, characterized in that it comprises a vehicle body and an electric bogie according to any of claims 1-8, which electric bogie is connected below the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021601201.4U CN213109319U (en) | 2020-08-05 | 2020-08-05 | Electric transmission bogie for track engineering vehicle and track engineering vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021601201.4U CN213109319U (en) | 2020-08-05 | 2020-08-05 | Electric transmission bogie for track engineering vehicle and track engineering vehicle |
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| CN213109319U true CN213109319U (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044016A (en) * | 2021-12-09 | 2022-02-15 | 中车山东机车车辆有限公司 | Welding bogie for rail engineering vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044016A (en) * | 2021-12-09 | 2022-02-15 | 中车山东机车车辆有限公司 | Welding bogie for rail engineering vehicle |
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