CN112659832A - Trolley bus suspension device and trolley bus - Google Patents
Trolley bus suspension device and trolley bus Download PDFInfo
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- CN112659832A CN112659832A CN201910976033.2A CN201910976033A CN112659832A CN 112659832 A CN112659832 A CN 112659832A CN 201910976033 A CN201910976033 A CN 201910976033A CN 112659832 A CN112659832 A CN 112659832A
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- reed
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Abstract
The embodiment of the application provides a trolley bus suspension device and a trolley bus, wherein the suspension device is used for being connected between a trolley bus body and an axle bridge of a traveling system; the suspension device includes: the reed is used for being connected to the axle bridge; one end of the reed is connected with the vehicle body; the suspension assembly is arranged at the other end of the reed; the top of the suspension assembly is connected with the vehicle body. The trolley bus suspension device 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 suspension device 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 suspension device for a trolley bus and a trolley bus.
The embodiment of the first aspect of the application provides a trolley bus suspension device which is used for being connected between a trolley bus body and an axle bridge of a walking system; the suspension device includes:
the reed is used for being connected to the axle bridge; one end of the reed is connected with the vehicle body;
the suspension assembly is arranged at the other end of the reed; the top of the suspension assembly is connected with the vehicle body.
An embodiment of a second aspect of the present application provides a trolley bus, including: a suspension device as described above.
The suspension device provided by the embodiment of the application is arranged between a trolley bus body and an axle bridge of a walking system, and comprises a reed and a suspension assembly, wherein one end of the reed is connected with the trolley body, so that traction force or braking force is transferred between the reed and the trolley 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 diagram of an axle bridge according to a second embodiment of the present application;
fig. 3 is a schematic structural diagram of an axle bridge provided with a suspension device according to a second embodiment of the present application;
fig. 4 is a schematic structural diagram of a suspension device according to a second embodiment of the present application;
fig. 5 is a schematic structural diagram of a spring plate in a suspension device according to a second embodiment of the present application;
fig. 6 is a schematic structural view illustrating that a reed of the suspension device according to the second embodiment of the present application is connected to a vehicle body through a vehicle body connecting member;
fig. 7 is a schematic structural view of a suspension device according to a second embodiment of the present application, in which a damper connecting seat is disposed on a spring.
Reference numerals:
100-vehicle body underframe;
1-axle bridge; 13-a reed mounting; 14-a pin shaft; 15-a bearing;
2-vehicle wheels;
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 vibration absorber.
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 embodiment provides a suspension device which can be applied to a running system of 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. The suspension device is applied to a running system, is used for connecting a vehicle body to transmit traction force or braking force on one hand, and is used for buffering the force between the running system and the vehicle body on the other hand, so that the vibration of the vehicle body is reduced, and the riding comfort is improved.
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.
The suspension device provided by the embodiment is connected between the vehicle body and an axle of the running system, and two ends of the axle are connected with wheels. Fig. 1 is a schematic structural diagram of a running system according to an embodiment of the present application. Taking the running system shown in fig. 1 as an example: the running system comprises: axle 1, wheels 2 and suspension. The axle 1 serves as a main body part of the running system and serves to connect the other components. The axle 1 extends in the transverse direction and is connected at both ends to wheels 2, which wheels 2 are rotatable relative to the axle 1.
The suspension device is provided on the axle 1 for connecting the vehicle body and capable of buffering the vibration between the wheel 2 and the vehicle body. The suspension device includes: a reed 3 and a suspension assembly. Wherein the spring 3 extends substantially horizontally and is connected at one end to the vehicle body for transmitting traction or 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 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 axle bridge 1 and the reed 3 in sequence, or transmitted to the vehicle body along the axle bridge 1, the reed 3 and the suspension assembly in sequence.
The suspension device provided by the embodiment is arranged between a trolley bus body and an axle bridge of a traveling system, and comprises a reed and a suspension assembly, wherein one end of the reed is connected with the trolley bus body, so that traction force or braking force is transferred between the reed and the trolley bus 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 manner of a suspension device on the basis of the above embodiments.
Fig. 2 is a schematic structural view of an axle bridge provided in the second embodiment of the present application, and fig. 3 is a schematic structural view of a suspension device provided on the axle bridge 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 suspension device, that is: the axle bridge 1 is in a shape with two high ends and a low middle. The number of the suspension devices is two, and the suspension devices are symmetrically arranged on the axle bridge 1, particularly at the position lower in the middle.
The axle bridge 1 is set to be in a shape with two high ends and a low middle part, and the suspension device is arranged at the lower part of the middle part of the axle bridge 1, so that the overall height of the 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 suspension devices are sequentially arranged on the axle bridge 1 along the transverse direction and are symmetrically distributed. The two 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 in a balanced manner, and the stability is improved.
The embodiment further provides a specific implementation manner of the suspension device:
fig. 4 is a schematic structural diagram of a suspension device provided in the second embodiment of the present application, and fig. 5 is a schematic structural diagram of a spring plate in the suspension device 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 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 suspension device according to a second embodiment of the present invention, in which a spring 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 suspension device according to a second embodiment of the present application, in which a damper connecting seat is disposed on a spring. 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.
The structures of the components such as the axle bridge 1 are all exemplified, and the suspension device provided by the embodiment can also be applied to a running system comprising other axle bridge structures.
EXAMPLE III
The embodiment provides a trolley bus, includes: a vehicle body and a suspension as provided in any of the above. The suspension device is positioned below the vehicle body, and one end of a reed in the suspension device is connected with the vehicle body, so that the effect of transmitting traction force and braking force between the vehicle body and a walking system is achieved; the other end of the reed is connected with the vehicle body through the suspension assembly, and the suspension assembly plays a role in damping the vehicle body.
The trolley bus provided by the embodiment adopts the suspension device provided by any content, the suspension device comprises a reed and a suspension component, and one end of the reed is connected with a bus body to realize the transmission of traction force or braking force between the reed and the bus 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 (11)
1. A trolley bus suspension device is characterized by being used for being connected between a trolley bus body and an axle bridge of a traveling system; the suspension device includes:
the reed is used for being connected to the axle bridge; one end of the reed is connected with the vehicle body;
the suspension assembly is arranged at the other end of the reed; the top of the suspension assembly is connected with the vehicle body.
2. The suspension device according to claim 1, wherein the spring plate has an elongated configuration, extends in a longitudinal direction, and is disposed on an upper surface of the axle bridge; the longitudinal direction is the advancing direction of the trolley bus.
3. The suspension device according to claim 2, 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, the high-order section links to each other with the automobile body, the low level section links to each other with the subassembly that hangs.
4. A suspension arrangement according to any one of claims 1-3, 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.
5. The suspension arrangement of claim 4, 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.
6. A suspension arrangement according to any one of claims 1-3, further comprising: a U-bolt and nut for connecting the reed to the axle bridge.
7. The suspension apparatus of claim 6, further comprising: and the vertical stop assembly is arranged on the spring.
8. The suspension of claim 7, 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.
9. The suspension apparatus according to claim 8, wherein the stopper seat is provided at both longitudinal ends thereof with U-bolt receiving grooves for fixing the stopper seat and the spring plate to the axle bridge by U-bolts.
10. The suspension of claim 1, further comprising:
the vehicle body connecting piece is provided with a vehicle body mounting part extending along the vertical direction and is used for upwards connecting with a 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.
11. A trolley bus, comprising: a suspension arrangement according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976033.2A CN112659832A (en) | 2019-10-15 | 2019-10-15 | Trolley bus suspension device and trolley bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976033.2A CN112659832A (en) | 2019-10-15 | 2019-10-15 | Trolley bus suspension device and trolley bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112659832A true CN112659832A (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976033.2A Pending CN112659832A (en) | 2019-10-15 | 2019-10-15 | Trolley bus suspension device and trolley bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112659832A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19962406A1 (en) * | 1999-12-22 | 2001-07-19 | Zf Lemfoerder Metallwaren Ag | Axle suspension for rigid axles of vehicles |
| DE102005003936A1 (en) * | 2005-01-28 | 2006-08-10 | Daimlerchrysler Ag | Chassis frame for commercial vehicle has spring strut support constructed as U-form spring strut bridge which fits over cut-out provided in longitudinal beam in to form part of upper edge fiber of longitudinal beam |
| DE102010009304A1 (en) * | 2010-02-25 | 2011-08-25 | MAN Truck & Bus AG, 80995 | Device for connecting a spring element to a commercial vehicle axle |
| CN104228506A (en) * | 2014-10-09 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Air suspension |
| CN206306757U (en) * | 2016-11-01 | 2017-07-07 | 江西远成汽车技术股份有限公司 | Air suspension system |
| CN207416467U (en) * | 2017-11-24 | 2018-05-29 | 山东巨野易达专用车制造有限公司 | A kind of air suspension device of semi-trailer |
| CN207579490U (en) * | 2017-12-11 | 2018-07-06 | 广东富华重工制造有限公司 | Vehicle air is hung |
-
2019
- 2019-10-15 CN CN201910976033.2A patent/CN112659832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19962406A1 (en) * | 1999-12-22 | 2001-07-19 | Zf Lemfoerder Metallwaren Ag | Axle suspension for rigid axles of vehicles |
| DE102005003936A1 (en) * | 2005-01-28 | 2006-08-10 | Daimlerchrysler Ag | Chassis frame for commercial vehicle has spring strut support constructed as U-form spring strut bridge which fits over cut-out provided in longitudinal beam in to form part of upper edge fiber of longitudinal beam |
| DE102010009304A1 (en) * | 2010-02-25 | 2011-08-25 | MAN Truck & Bus AG, 80995 | Device for connecting a spring element to a commercial vehicle axle |
| CN104228506A (en) * | 2014-10-09 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Air suspension |
| CN206306757U (en) * | 2016-11-01 | 2017-07-07 | 江西远成汽车技术股份有限公司 | Air suspension system |
| CN207416467U (en) * | 2017-11-24 | 2018-05-29 | 山东巨野易达专用车制造有限公司 | A kind of air suspension device of semi-trailer |
| CN207579490U (en) * | 2017-12-11 | 2018-07-06 | 广东富华重工制造有限公司 | Vehicle air is hung |
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