CN112659815A - Trolley bus running system and trolley bus - Google Patents
Trolley bus running system and trolley bus Download PDFInfo
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- CN112659815A CN112659815A CN201910976082.6A CN201910976082A CN112659815A CN 112659815 A CN112659815 A CN 112659815A CN 201910976082 A CN201910976082 A CN 201910976082A CN 112659815 A CN112659815 A CN 112659815A
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- running system
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- shaft
- reed
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- 239000006096 absorbing agent Substances 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 8
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
- B60G11/113—Mountings on the axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The embodiment of the application provides a trolley bus running system and a trolley bus, wherein the running system is arranged below a trolley body in the trolley bus; the running system comprises: an axle bridge extending in a transverse direction; two ends of the axle bridge are connected with wheels through steering shafts; the traction suspension device is arranged on the axle bridge; the traction suspension device comprises: the vehicle body is characterized by comprising a reed and a suspension assembly, wherein one end of the reed is connected with a vehicle body through a vehicle body connecting piece, and the other end of the reed is connected with the vehicle body through the suspension assembly; and the steering device is connected with the steering shaft and is used for driving the steering shaft and the wheels to rotate relative to the axle. The trolley bus running system and the trolley bus provided by the embodiment of the application have better vibration reduction effect.
Description
Technical Field
The application relates to a trolley bus running technology, in particular to a trolley bus running system and a trolley bus.
Background
With the annual increase of the automobile keeping quantity of each big city, the phenomenon of traffic jam is more and more serious, so that the people can take public transport means to travel to become a preferred travel mode advocated by people. A public transportation vehicle includes: the system comprises a subway, a light rail, a bus, a trolley bus and the like, wherein the trolley bus is already put into application in many cities due to the advantages of environmental protection, no emission, large passenger capacity, easy infrastructure construction, low construction cost and the like.
The trolley bus mainly includes: the running system is used for realizing running and steering functions. The walking system is usually arranged below the carriage, and the height of the floor of the carriage is raised due to the fact that the height of the traditional walking system is high, so that the gravity center of the carriage is high, and the stability is poor. In addition, the trolley bus comprises at least two carriages, and the trolley bus has more curves and smaller turning radius in the running process of urban roads, so that the traction and buffer structures among the carriages determine the performance of the trolley bus in the turning process, and the conventional trolley bus has the problems of poor stability, large vibration and the like in the turning process.
Disclosure of Invention
In order to solve one of the above technical defects, the embodiment of the present application provides a trolley bus running system and a trolley bus.
The embodiment of the first aspect of the application provides a trolley bus running system, which is arranged below a trolley body in a trolley bus; the running system comprises:
an axle bridge extending in a transverse direction; two ends of the axle bridge are connected with wheels through steering shafts;
the traction suspension device is arranged on the axle bridge; the traction suspension device comprises: the vehicle body is characterized by comprising a reed and a suspension assembly, wherein one end of the reed is connected with a vehicle body through a vehicle body connecting piece, and the other end of the reed is connected with the vehicle body through the suspension assembly;
and the steering device is connected with the steering shaft and is used for driving the steering shaft and the wheels to rotate relative to the axle.
An embodiment of a second aspect of the present application provides a trolley bus, including: the vehicle body and the running system;
the vehicle body is respectively connected with a vehicle body connecting piece and a suspension assembly in the walking system.
The walking system provided by the technical scheme provided by the embodiment of the application is used for being arranged below a trolley bus body, and comprises: the steering device comprises a steering device, a shaft bridge extending along the transverse direction, wherein two ends of the shaft bridge are connected with wheels through a steering shaft, the wheels can rotate relative to the steering shaft, and the wheels and the steering shaft deflect a certain angle relative to the shaft bridge under the driving of the steering device; the walking system also comprises a reed and a suspension component, wherein one end of the reed is connected with the vehicle body through a vehicle body connecting piece to realize the transmission of traction force or braking force between the reed and the vehicle body; the other end of reed links to each other with the automobile body through hanging the subassembly, realizes buffering the effort between axle bridge and the automobile body to reduce the vibration that transmits for the automobile body, improve and take the comfort level.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a running system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an axle bridge in a running system according to a second embodiment of the present application;
FIG. 3 is a schematic structural view of a traction suspension device arranged on an axle bridge in a running system provided in the second embodiment of the present application;
FIG. 4 is a schematic structural view of a traction suspension device in the running system according to the second embodiment of the present application;
FIG. 5 is a schematic structural view of a spring plate in the running system according to the second embodiment of the present application;
FIG. 6 is a schematic structural view of a spring plate in a running system provided in the second embodiment of the present application, which is connected to a vehicle body through a vehicle body connecting member;
FIG. 7 is a schematic structural view of a connecting seat of a shock absorber provided on a spring plate in a running system according to a second embodiment of the present application;
FIG. 8 is a two-dimensional cross-sectional view of an axle end portion of a running system according to a third embodiment of the present application, the axle end portion being connected to a wheel via a steering shaft;
FIG. 9 is a perspective sectional view of an axle end portion of a running system according to a third embodiment of the present invention, the axle end portion being connected to a wheel via a steering shaft;
FIG. 10 is an exploded view of the axle end portion of the running gear system according to the third embodiment of the present invention, which is connected to a wheel via a steering shaft;
FIG. 11 is a partial schematic view of a running system provided with a brake disc according to a third embodiment of the present application;
FIG. 12 is a schematic structural view of a brake disc in a running system provided by a third embodiment of the application in cooperation with a braking device;
FIG. 13 is a partial schematic view of a running system provided with a brake device according to a third embodiment of the present application;
fig. 14 is a schematic structural view of the anti-rolling device in the running system according to the fourth embodiment of the present application, which is connected to an axle bridge;
fig. 15 is a schematic structural view of a steering device in a running system according to a fifth embodiment of the present invention.
Reference numerals:
100-vehicle body underframe;
1-axle bridge; 11-shaft hole; 12-a steering shaft; 121-connecting shaft part; 1211-shaft connecting hole; 122-a shaft cap; 1221-positioning grooves; 123-a transmission shaft; 13-a reed mounting; 14-a pin shaft; 15-a bearing;
2-vehicle wheels; 21-a hub;
3-reed; 301-high section; 302-middle section; 303-lower section; 31-a first mounting portion; 32-a first connecting shaft; 33-U-bolt; 34-a nut; 35-stop seat; 36-a stop; 37-a damper connection seat; 38-a second connecting shaft;
4-a vehicle body attachment; 41-a vehicle body mounting portion; 42-reed shaft seat;
51-an air spring; 52-vertical shock absorber;
61-a brake disc; 62-a braking device;
7-anti-roll device; 71-anti-roll torsion bar; 72-anti-roll link arm; 73-anti-roll connection; 74-rubber node;
8-a steering device; 81-a steering wheel; 82-a steering shaft; 83-universal joint; 84-a steering transmission shaft; 85-a diverter; 851-output link; 86-a steering push rod; 871-steering linkage; 872-steering linkage.
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.
Example one
The present embodiment provides a running system that can be applied to a trolley bus. The trolley bus is a road public transport means which is driven by a motor and does not depend on a fixed track to run. A trolley bus comprising: the running system provided by the embodiment is arranged below the vehicle body, is used for supporting the vehicle body and has a running function.
In the present embodiment, the direction in which the trolley bus travels is referred to as a longitudinal direction, the direction perpendicular to the travel direction is referred to as a lateral direction, and the vertical direction is referred to as a vertical direction.
Fig. 1 is a schematic structural diagram of a running system according to an embodiment of the present application. As shown in fig. 1, the running system provided in this embodiment includes: axle 1, wheels 2, traction suspension and steering 8. The axle 1 serves as a main body part of the running system and serves to connect the other components. The axle 1 extends along the transverse direction, two ends of the axle are connected with the wheels 2 through the steering shaft 12, the steering shaft 12 can rotate for a certain angle relative to the axle 1, and the wheels 2 and the steering shaft 12 rotate synchronously to realize the steering function. The wheel 2 itself can also turn in the axial direction of the wheel 2 relative to the steering shaft 12.
The traction suspension device is arranged on the axle 1 and used for connecting the vehicle body and can buffer the vibration between the wheels 2 and the vehicle body. The traction suspension device comprises: a reed 3 and a suspension assembly. Wherein the reed 3 extends in a substantially horizontal direction, and one end thereof is connected to a vehicle body through a vehicle body connecting member 4 for transmitting a traction force or a braking force. The other end of reed 3 links to each other with the suspension assembly, and the top that hangs the assembly links to each other with the automobile body, and the suspension assembly is used for buffering the vibration between axle 1 and the automobile body to weaken the vibration that transmits for the automobile body, improve and take the comfort level. Further, the reed 3 itself can absorb a part of the vibration by bending deformation, and has a certain buffering capacity.
The steering device 8 is connected to a steering shaft 12 for driving the steering shaft 12 to rotate relative to the axle 1, and the wheels 2 follow the steering shaft 12 to rotate together relative to the axle 1.
The longitudinal force transmission path of the walking system comprises: the vibration between the wheels and the ground is transmitted to the vehicle body along the steering shaft 12, the axle bridge 1, the spring 3 and the vehicle body connecting piece 4 in sequence, or transmitted to the vehicle body along the steering shaft 12, the axle bridge 1, the spring 3 and the suspension assembly in sequence.
The running system provided by the technical scheme provided by the embodiment is used for being arranged below a trolley bus body, and comprises: the steering device comprises a steering device, a shaft bridge extending along the transverse direction, wherein two ends of the shaft bridge are connected with wheels through a steering shaft, the wheels can rotate relative to the steering shaft, and the wheels and the steering shaft deflect a certain angle relative to the shaft bridge under the driving of the steering device; the walking system also comprises a reed and a suspension component, wherein one end of the reed is connected with the vehicle body through a vehicle body connecting piece to realize the transmission of traction force or braking force between the reed and the vehicle body; the other end of reed links to each other with the automobile body through hanging the subassembly, realizes buffering the effort between axle bridge and the automobile body to reduce the vibration that transmits for the automobile body, improve and take the comfort level.
Example two
The present embodiment provides a specific implementation of the running system based on the above embodiments, and particularly, a specific implementation of the traction suspension device is described in detail.
Fig. 2 is a schematic structural view of an axle bridge in a running system provided in the second embodiment of the present application, and fig. 3 is a schematic structural view of a traction suspension device provided on the axle bridge in the running system provided in the second embodiment of the present application. As shown in fig. 1 to 3, the central portion of the axle bridge 1 is recessed downward to form a space for accommodating a traction suspension device, that is: the axle bridge 1 is in a shape with two high ends and a low middle. The number of the traction suspension devices is two, and the two traction suspension devices are symmetrically arranged on the axle bridge 1, particularly at the position lower in the middle.
The axle 1 is set to be in a shape with two high ends and a low middle part, the traction suspension device is arranged at the lower part of the middle part of the axle 1, the overall height of the traction suspension device can be reduced, the height and the gravity center of a vehicle body can be further reduced, and the driving stability is improved.
The two traction suspension devices are sequentially arranged on the axle bridge 1 along the transverse direction and are symmetrically distributed. The two traction suspension devices are respectively connected with the vehicle body to support and buffer the two transverse sides of the vehicle body, so that the transverse direction of the vehicle body is stressed uniformly, and the stability is improved.
The embodiment further provides a specific implementation manner of the traction suspension device:
fig. 4 is a schematic structural view of a traction suspension device in a running system provided in the second embodiment of the present application, and fig. 5 is a schematic structural view of a spring plate in the running system provided in the second embodiment of the present application. As shown in fig. 3 to 5, the spring plate 3 is a main structure of the traction suspension device, has a long strip shape, extends along the longitudinal direction, and is disposed on the upper surface of the axle bridge 1. The reed 3 is arranged along the longitudinal direction, so that the sunken space in the middle of the axle bridge can be utilized, and the height of the vehicle body can be reduced. And the longitudinal arrangement is also favorable for self positioning and installation, the positioning and installation of components such as suspension assemblies and the like are also convenient, the installation structure is simplified, the space below the vehicle body is effectively utilized, and the space utilization rate is improved.
In this embodiment, the reed 3 is approximately "Z" shaped, and has a high-level section 301, a middle section 302, and a low-level section 303 that decrease in height in order, the high-level section 301 and the low-level section 303 extend in the horizontal direction, and the middle section 302 is located between the high-level section 301 and the low-level section 303 and extends approximately in the vertical direction. The middle section 302, the high section 301 and the low section 303 are in circular arc transition.
The end of the high-level section 301 is connected to the vehicle body through the vehicle body connector 4, specifically, an annular first mounting portion 31 is provided at the end of the high-level section 301, and a first connecting shaft 32 having a central line extending in the transverse direction is inserted into the first mounting portion 31. Correspondingly, the lower part of the vehicle body connecting part 4 is provided with a reed shaft seat 42, and the first connecting shaft 32 can also be inserted into the reed shaft seat 42 to connect the reed 3 with the vehicle body connecting seat 4. A buffering structure may be disposed between the first connecting shaft 32 and the first mounting portion 31 to weaken an acting force therebetween, so as to achieve a buffering effect.
The upper portion of the vehicle body attaching seat member 4 is provided with a vehicle body attaching portion 41 for attaching to the vehicle body by a bolt. Fig. 6 is a schematic structural view of a spring plate in a running system provided in the second embodiment of the present application, which is connected to a vehicle body through a vehicle body connecting member. As shown in fig. 4 and 6, the body mounting portion 41 has a mounting surface extending in the vertical direction, and the mounting surface is attached to the vertical mounting surface of the body underframe 100. The vehicle body mounting portion 41 is provided with a mounting hole having a center line perpendicular to the mounting surface to fix the vehicle body joint 4 to the vehicle body under-frame 100 by bolts passing through the mounting hole.
The middle section 302 of the reed 3 is connected with the axle bridge 1, can be directly connected with the axle bridge 1 through a bolt in a perforation way, and can also be connected with the axle bridge 1 through other reed connecting components. For example: the reed coupling assembling includes: a U-bolt 33 and a nut 34. Wherein, two ends of the U-shaped bolt 33 respectively pass through two sides of the reed 3, then pass through the axle bridge 1 and then are connected with the nut 34.
As shown in fig. 2, the axle bridge 1 is provided with two reed mounts 13, and each reed mount 13 is provided with a bolt hole for passing through a U-bolt 33.
In addition, a vertical stop component is arranged on the middle section 302 of the reed 3 and used for limiting the vertical lowest displacement of the vehicle body or the vertical maximum displacement of the running system. Specifically, the vertical barrier assembly includes: a stop seat 35 and a stop 36. The stopper seat 35 is disposed on the spring plate 3, and the stopper seat 35 is provided with a stopper positioning hole for fixing the stopper 36, and the stopper seat 35 can be fixed on the spring plate 3 by using a bolt penetrating through the stopper positioning hole. The stop 36 is shaped as shown with its bottom end received in the stop positioning hole.
Further, the stopper seat 35 may be fixed to the spring plate 3 by the U-bolt 33. For example: u-shaped bolt accommodating grooves are respectively formed in the two longitudinal ends of the stop seat 35, the U-shaped bolt 33 can be accommodated and limited in the U-shaped bolt accommodating grooves, and the bottom end of the U-shaped bolt 33 is connected with the nut 34 after penetrating through the axle 1. By adopting the U-shaped bolt, the stop seat 35 and the reed 3 can be fixed on the axle bridge 1 together, the number of connecting pieces is reduced, and the mounting structure is simplified.
In addition, the lower section 103 of the reed 3 is connected to the suspension assembly. Specifically, the suspension assembly includes an air spring 51, and the air spring 51 is bolted at its bottom end to the lower section 103 and at its top end to the vehicle body underframe. The spring leaf 3 is arranged to be of a bending structure similar to a Z shape, the suspension assembly is arranged at the low section, the upper space of the low section can be utilized, the height of the suspension assembly is reduced, and the height of a vehicle body can be reduced.
Further, the suspension assembly further comprises: and a vertical damper 52 extending in the vertical direction. The top end of the vertical shock absorber 52 is connected with the underframe of the vehicle body, and the bottom end is connected with the reed 3. The bottom end of vertical shock absorber 52 can be directly connected to spring plate 3 or can be connected to spring plate 3 through other components. In this embodiment, the damper connecting seat 37 is fixedly connected to the spring 3, and the bottom end of the vertical damper 52 is connected to the damper connecting seat 37.
Fig. 7 is a schematic structural view of a connecting seat of a damper provided on a spring in a running system according to a second embodiment of the present application. As shown in fig. 7, specifically, a damper connecting seat 37 is arranged below the spring 3, and the U-shaped bolt 33 passes through the damper connecting seat 37 downwards and then passes through the axle 1. The end of the damper connecting base 37 is provided with a damper connecting shaft seat on which a shaft hole is arranged. A second connecting shaft 38 penetrates through a bolt hole at the bottom end of the vertical shock absorber 52 and a shaft hole on a shock absorber connecting shaft seat and is used for connecting the vertical shock absorber 52 and the shock absorber connecting seat 37.
Adopt shock absorber connecting seat 37 not only can connect vertical shock absorber 52 and reed 3, can also play the effect of carrying out adaptability and adjusting to the distance between reed 3 middle part and axle bridge 1, can also improve the joint strength in reed 3 middle part.
EXAMPLE III
The present embodiment is based on the above-described embodiments and provides a further optimization of the running system, in particular a way of connecting the axle 1 to the wheels 2.
Fig. 8 is a two-dimensional cross-sectional view of the axle end portion of the running system provided in the third embodiment of the present application, which is connected to a wheel through a steering shaft, fig. 9 is a three-dimensional cross-sectional view of the axle end portion of the running system provided in the third embodiment of the present application, which is connected to a wheel through a steering shaft, and fig. 10 is an exploded view of the axle end portion of the running system provided in the third embodiment of the present application, which is connected to a wheel through a steering shaft.
As shown in fig. 2, 8-10, one end of the steering shaft 12 is connected to the end of the axle 1 by a pin 14 so that the steering shaft 12 can be rotated at an angle relative to the axle 1 in a plane perpendicular to the center line of the pin 14. The other end of the steering shaft 12 is inserted into a hub 21 of a wheel and connected to the hub 21 via a rolling bearing so that the hub 21 can rotate relative to the steering shaft 12.
Specifically, the end of the axle bridge 1 is provided with an axle hole 11 for the pin 14 to pass through. One end of the steering shaft 12 is provided with two upper and lower connecting shaft portions 121, and a space for accommodating the end portion of the axle 1 is provided between the two connecting shaft portions 121. Each of the coupling portions 121 is provided with a coupling hole 1211 through which the pin 14 passes. The pin 14 may sequentially pass through the upper coupling hole 1211, the shaft hole 11, and the lower coupling hole 1211. In addition, the shaft cover 122 is covered on the shaft hole 1211 from the outside, and the shaft cover 122 can be fixedly connected with the shaft part 121 through a bolt, so that the axle 1, the pin 14 and the steering shaft 12 can be assembled.
Further, the inner surface of the coupling cover 122 is provided with a positioning groove 1221, and the end of the pin 14 can be received in the positioning groove 1221 for positioning.
The other end of the steering shaft 12 is provided with a transmission shaft 123, the transmission shaft 123 is matched with the inner ring of the bearing 15, and the outer ring of the bearing 15 is matched with the wheel hub 21, so that the wheel hub 21 can rotate relative to the transmission shaft 123.
On the basis of the technical scheme, the walking system further comprises: a brake disc connected to the hub 21 of the wheel 2 and rotating in synchronism with the wheel 2, and a braking device. A braking device is provided on the steering shaft 12 for clamping the brake disc to restrain the wheel 2 from rotating in a braking state.
Fig. 11 is a partial schematic view of a brake disc arranged in a running system provided in a third embodiment of the present application, fig. 12 is a schematic view of a structure in which the brake disc cooperates with a braking device in the running system provided in the third embodiment of the present application, and fig. 13 is a partial schematic view of a braking device arranged in the running system provided in the third embodiment of the present application. As shown in fig. 11 to 13, the brake disk 61 is connected to the outside of the hub 21 and rotates in synchronization with the hub 21. The brake device 62 is mounted on the steering shaft 12, and the clamp structures in the brake device 62 extend to both sides of the brake disc 61, and in a braking state, the clamp structures press against both sides of the brake disc 61 to restrain the brake disc 61 from rotating, and further restrain the hub 21 from rotating to perform braking. The brake 62 may be actuated by a hydraulic or pneumatic system.
The above-described structure of the hub 21, the brake disc 61 and the brake device 62 can be realized with reference to the related structure in the existing automobile. In the present embodiment, the structures of the hub 21, the brake disk 61, and the brake device 62 are adapted so as to be fitted to the end of the axle 1.
Further, a steering rod is connected between the two steering shafts 12 so that the two wheels 2 connected to both ends of the axle 1 can be rotated in synchronization with respect to the axle 1. The steering rod can also be connected with a steering device to control the steering of the wheels through the steering device.
Example four
The embodiment is based on the above embodiment, and further optimizes the running system.
As shown in fig. 1, the running system provided in this embodiment further includes: and the anti-rolling device 7 is used for limiting the height of the wheels at two sides and avoiding the side turning caused by the overlarge height of the wheel at one side. The anti-rolling device 7 extends along the transverse direction, the middle part of the anti-rolling device is fixed on the axle bridge 1, and the two ends of the anti-rolling device are connected with the vehicle body.
Fig. 14 is a schematic structural view of the anti-rolling device in the running system according to the fourth embodiment of the present application, which is connected to an axle bridge. As shown in fig. 1 and 14, the anti-roll device 7 specifically includes: anti-roll torsion bar 71 and anti-roll link arm 72.
Wherein the anti-roll torsion bar 71 extends in the transverse direction and is connected to the axle 1 by means of an anti-roll connection 73. The anti-roll torsion bar 71 is in the shape of a cylindrical long rod, the anti-roll connecting piece 73 comprises two pipe clamps with semi-arc surfaces, the two pipe clamps are connected through bolts to clamp the anti-roll torsion bar 71, and then the two pipe clamps are fixed to the axle bridge 1 through the bolts.
The anti-roll torsion bar 71 has a straight rod shape in the middle and two ends bent in a direction away from the axle 1. Both ends of the anti-roll torsion bar 71 are provided with a connection hole, respectively. The anti-roll connecting arms 72 are two in number and are connected to the end portions of the anti-roll torsion bar 71, respectively. The top end of the anti-roll link arm 72 is attached to the vehicle body.
The anti-roll connecting arm 72 specifically includes: linking arm main part and rubber node, the linking arm main part extends along vertical direction, and its bottom is equipped with fork joint portion. The rubber node is installed in a connecting hole at the end of the anti-roll torsion bar 71, and two ends of the rubber node are connected with the fork joint part. The middle part of the rubber node is formed by vulcanizing metal and rubber, and bolt holes are formed in the two ends of the rubber node through metal.
The top of the anti-roll link arm 72 is attached to the vehicle body. Specifically, the top end of the anti-roll link arm 72 is provided with a connecting hole through which a connecting member can be connected to the vehicle body. The connecting piece can be a bolt, can also be connected with the vehicle body by adopting a rubber node, or can also be connected by adopting other connecting pieces.
The rubber node is adopted to connect the anti-rolling torsion bar 71 and the anti-rolling connecting arm 72, so that acting force between the two can be buffered, and the vibration quantity transmitted to the vehicle body can be weakened.
EXAMPLE five
The embodiment provides an implementation manner of a steering device on the basis of the technical scheme:
fig. 15 is a schematic structural view of a steering device in a running system according to a fifth embodiment of the present invention. As shown in fig. 15, the steering device 8 includes: a steering wheel 81, a steering shaft rod 82, a universal joint 83, a steering transmission shaft 84, a steering gear 85, a steering push rod 86 and a steering connecting assembly which are connected in sequence. Wherein, the steering wheel 81 and the steering shaft lever 82 are arranged in the cab of the trolley bus, and the universal joint 83, the steering transmission shaft 84, the steering gear 85, the steering push rod 86 and the steering connecting component are arranged below the vehicle body. The steering connecting components are respectively connected with the steering shafts 12 on two sides.
The steering wheel 81 rotates to drive the steering shaft rod 82 to rotate, the universal joint 83 drives the steering transmission shaft 84 and the steering gear 85 to act, the steering gear 85 drives the steering push rod 86 to act through the output connecting rod 851, and the steering connecting component is driven to move leftwards or rightwards.
The number of the steering connecting assemblies is two, the steering connecting assemblies are connected to two transverse sides of the steering push rod 86, and the steering connecting assemblies are respectively connected with the steering shafts 12 on two sides and used for driving the steering shafts 12 on the same side to rotate. The steering connecting assembly specifically comprises a steering connecting rod 871 and a steering connecting piece 872, wherein the steering connecting rod 871 is connected between the steering push rod 86 and the steering connecting piece 872, and the steering connecting piece 872 is connected with the steering shaft 12. The steering push rod 86 drives the steering shaft 12 to rotate relative to the axle 1 through the steering link 871 and the steering connecting piece 872, and further drives the wheels 2 to rotate relative to the axle 1, so as to realize steering. The concrete implementation mode of the steering device can be realized by referring to the structure in the automobile, and the structure can be adaptively adjusted to meet the requirement of the trolley bus.
EXAMPLE six
The embodiment provides a trolley bus, includes: the walking system adopts the implementation mode provided by any one of the contents. The running system is arranged below the vehicle body, the vehicle body is respectively connected with a vehicle body connecting piece and a suspension assembly in the running system, the vehicle body connecting piece plays a role in transmitting traction force and braking force between the vehicle body and the running system, and the suspension assembly plays a role in buffering acting force between the vehicle body and the running system.
The trolley bus provided by the embodiment adopts the running system provided by any one of the above contents, and the running system comprises: the steering device comprises a steering device, a shaft bridge extending along the transverse direction, wherein two ends of the shaft bridge are connected with wheels through a steering shaft, the wheels can rotate relative to the steering shaft, and the wheels and the steering shaft deflect a certain angle relative to the shaft bridge under the driving of the steering device; the walking system also comprises a reed and a suspension component, wherein one end of the reed is connected with the vehicle body through a vehicle body connecting piece to realize the transmission of traction force or braking force between the reed and the vehicle body; the other end of reed links to each other with the automobile body through hanging the subassembly, realizes buffering the effort between axle bridge and the automobile body to reduce the vibration that transmits for the automobile body, improve and take the comfort level.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (24)
1. A trolley bus running system is characterized in that the running system is arranged below a trolley body in the trolley bus; the running system comprises:
an axle bridge extending in a transverse direction; two ends of the axle bridge are connected with wheels through steering shafts;
the traction suspension device is arranged on the axle bridge; the traction suspension device comprises: the vehicle body is characterized by comprising a reed and a suspension assembly, wherein one end of the reed is connected with a vehicle body through a vehicle body connecting piece, and the other end of the reed is connected with the vehicle body through the suspension assembly;
and the steering device is connected with the steering shaft and is used for driving the steering shaft and the wheels to rotate relative to the axle.
2. The running system of claim 1, further comprising:
a brake disc connected to a hub of the wheel to rotate in synchronization with the wheel;
a brake device provided on the steering shaft; the brake device is used for clamping the brake disc under a braking state so as to restrain the wheel from rotating.
3. The running system of claim 1, further comprising:
an anti-roll device extending in a lateral direction; the middle part of the anti-rolling device is fixed on the axle bridge, and two ends of the anti-rolling device are connected with the vehicle body.
4. The running system of claim 1, wherein the steering device comprises: the steering wheel, the steering shaft lever, the universal joint, the steering transmission shaft, the steering gear, the steering push rod and the steering connecting assembly are connected in sequence; the steering wheel and the steering shaft rod are arranged in a driver room of the trolley bus; the universal joint, the steering transmission shaft, the steering gear, the steering push rod and the steering connecting assembly are arranged below the vehicle body;
the steering connecting assembly is respectively connected with the steering shafts on two sides.
5. The running system of claim 4, wherein the number of steering linkage assemblies is two, disposed on either lateral side of the steering push rod;
the steering linkage assembly includes: the steering linkage rod is connected between the steering push rod and the steering connecting piece, and the steering connecting piece is connected with the steering shaft.
6. The running system of claim 1, wherein the number of traction suspension units is two and the traction suspension units are symmetrically arranged on the axle.
7. The running system of claim 6, wherein the spring is of elongate configuration, extending in a longitudinal direction, disposed on an upper surface of the axle bridge.
8. The running system of claim 7, wherein the leaf spring is "Z" shaped, comprising: the high-level section, the low-level section and the middle section positioned between the high-level section and the low-level section; the interlude links to each other with the axle bridge, high-order section links to each other with the automobile body connecting piece, low level section links to each other with the subassembly that hangs.
9. The running system of claim 1, 6, 7 or 8, wherein the suspension assembly comprises: and the top of the air spring is connected with the vehicle body, and the bottom of the air spring is connected with the reed.
10. The running system of claim 9, wherein the suspension assembly further comprises: a vertical damper extending in a vertical direction; the top end of the vertical shock absorber is connected with the vehicle body, and the bottom end of the vertical shock absorber is connected with the reed.
11. The running system of claim 1, 6, 7 or 8, further comprising: and the reed connecting assembly is used for fixing the reed on the axle bridge.
12. The running system of claim 11, wherein the reed connection assembly comprises: a U-bolt and nut; and two ends of the U-shaped bolt respectively penetrate through two sides of the reed and then penetrate through the axle bridge to be connected with the nut.
13. The running system of claim 11, further comprising: and the vertical stop assembly is arranged on the spring.
14. The running system of claim 13, wherein the vertical stop assembly comprises:
the stop seat is arranged on the spring piece; the upper surface of the stop seat is provided with a stop member positioning hole;
and the bottom end of the stop piece is accommodated in the stop piece positioning hole.
15. The running system of claim 14, wherein the longitudinal ends of the stop block are provided with U-bolt receiving slots for securing the stop block and the spring plate to the axle bridge by U-bolts.
16. The running system of claim 1, wherein the body attachment member has a body mounting portion extending in a vertical direction for upwardly attaching to the vehicle body; the vehicle body connecting piece is also provided with a reed shaft seat which is used for being downwards connected with a reed.
17. The running system of claim 1, wherein a central portion of the axle bridge is recessed downwardly to form a space for accommodating a trailing suspension device.
18. The running system of claim 1, wherein one end of the steering shaft is connected to an end of the axle bridge by a pin so that the steering shaft can rotate relative to the axle bridge in a plane perpendicular to the pin center line; the other end of the steering shaft penetrates through the wheel hub of the wheel and is connected with the wheel hub through a rolling bearing.
19. The running system of claim 18, wherein the axle bridge has an axle hole at an end thereof through which a pin passes;
one end of the steering shaft is provided with two connecting shaft parts, and a space capable of accommodating the end part of the axle is formed between the two connecting shaft parts; the connecting shaft part is provided with a connecting shaft hole for a pin shaft to pass through; the outer side of the connecting shaft part is provided with a connecting shaft cover which is used for covering the connecting shaft hole, and the inner surface of the connecting shaft cover is provided with a positioning groove which can contain the end part of the pin shaft.
20. The running system of claim 19, wherein the other end of the steering shaft is provided with a drive shaft for engagement with an inner race of a bearing.
21. The running system of claim 3, wherein the anti-roll device comprises:
an anti-roll torsion bar extending in a transverse direction; the anti-side rolling torsion bar is connected with the axle bridge;
the anti-rolling connecting arm extends along the vertical direction; the number of the anti-side-rolling connecting arms is two, the anti-side-rolling connecting arms are respectively connected to the end portions of the anti-side-rolling torsion bars, and the top ends of the anti-side-rolling connecting arms are connected with the vehicle body.
22. The running system of claim 21, wherein the anti-roll torsion bar has a straight bar shape in the middle and two ends bent away from the axle bridge.
23. The running system of claim 21 or 22, wherein the anti-roll connecting arm comprises:
a connecting arm main body; a fork joint part is arranged at one end of the connecting arm main body;
the rubber node is arranged in a connecting hole at the end part of the anti-rolling torsion bar; and the two ends of the rubber node are connected with the fork joint part.
24. A trolley bus, comprising: -a vehicle body and a running system according to any one of claims 1 to 23;
the vehicle body is respectively connected with a vehicle body connecting piece and a suspension assembly in the walking system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976082.6A CN112659815A (en) | 2019-10-15 | 2019-10-15 | Trolley bus running system and trolley bus |
| PCT/CN2019/117476 WO2021072856A1 (en) | 2019-10-15 | 2019-11-12 | Trolleybus travel system and trolleybus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976082.6A CN112659815A (en) | 2019-10-15 | 2019-10-15 | Trolley bus running system and trolley bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112659815A true CN112659815A (en) | 2021-04-16 |
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ID=75399752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976082.6A Pending CN112659815A (en) | 2019-10-15 | 2019-10-15 | Trolley bus running system and trolley bus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112659815A (en) |
| WO (1) | WO2021072856A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257913A (en) * | 2022-06-16 | 2022-11-01 | 中车唐山机车车辆有限公司 | Forced guiding system of trolley bus and trolley bus |
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Also Published As
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| WO2021072856A1 (en) | 2021-04-22 |
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