CN203666686U - Trailer bogie - Google Patents
Trailer bogie Download PDFInfo
- Publication number
- CN203666686U CN203666686U CN201320875096.7U CN201320875096U CN203666686U CN 203666686 U CN203666686 U CN 203666686U CN 201320875096 U CN201320875096 U CN 201320875096U CN 203666686 U CN203666686 U CN 203666686U
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- Prior art keywords
- air spring
- trailer bogie
- beams
- framework
- side beam
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- 238000005096 rolling process Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a trailer bogie which comprises a framework (A), an axle system (K) arranged on the framework (A), an axle disc brake device (J), a wheel disc brake device (H) and an air spring (B) arranged on the framework (A). The framework comprises a cross beam (4), a side beam (1) and a longitudinal beam (5). An air spring installation base (11) is arranged on the side beam (1), the air spring (B) is arranged on the air spring installation base (11), the side beam (1) is a hollow side beam with an inner cavity, and the inner cavity forms an additional air chamber (12) communicated with the air spring. According to the trailer bogie, due to the fact that the side beam is arranged to be the hollow side beam, the inner cavity of the side beam forms the additional air chamber communicated with the air spring, the air chamber volume is increased, the rigidity of the air spring is effectively reduced, the damping performance of the air spring is improved, and the vibration reduction effect is effectively improved.
Description
Technical Field
The utility model relates to a EMUs equipment technical field, in particular to trailer bogie.
Background
At present, a vibration damping spring is arranged on a bogie of a motor train unit so as to reduce vibration between wheels and a carriage and improve riding comfort. The main type of the damping spring is an air spring, and the damping spring is widely applied by the characteristics of short air charging time, good damping effect and the like.
However, since the number of components on the bogie is large, the installation position of the air spring is limited, and the air volume of the air spring is further limited, so that the vibration damping effect of the air spring between the wheels and the carriage is not high.
Therefore, how to improve the vibration reduction effect is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a trailer bogie to improve the damping effect.
In order to achieve the above object, the utility model provides a following technical scheme:
a trailer bogie comprises a framework, an axle system arranged on the framework, a shaft disc braking device, a wheel disc braking device and an air spring arranged on the framework, wherein the framework comprises a cross beam, a side beam and a longitudinal beam;
an air spring mounting seat is arranged on the side beam, and the air spring is arranged on the air spring mounting seat;
the side beams are hollow side beams having an interior cavity that forms an additional air chamber in communication with the air spring.
Preferably, in the above trailer bogie, the side member is a U-shaped side member.
Preferably, in the above trailer bogie, a connecting hole connected to the cross member is provided in a middle section of the side member.
Preferably, the trailer bogie further comprises a small longitudinal beam arranged between the two cross beams.
Preferably, in the above trailer truck, the small side member is provided inside the side member.
Preferably, in the above trailer bogie, the small side rail has a cavity, and the cavity communicates with the additional air chamber.
Preferably, in the above trailer bogie, the number of the minor longitudinal beams is two and the minor longitudinal beams are arranged in one-to-one correspondence with the two side beams.
Preferably, in the above trailer bogie, the number of the axle disc brake devices is two and diagonally arranged on two of the cross members of the frame.
Preferably, the trailer bogie further includes a towing bar device and an anti-hunting damper provided outside the side member.
Preferably, the trailer bogie further comprises an anti-roll torsion bar device located outside the side beam;
the anti-rolling torsion bar device is supported on the cross beam through a joint bearing.
According to the technical scheme, the utility model provides a trailer bogie, at trailer bogie work in-process, the trailer bogie receives traction force and moves. At this time, the air spring reduces vibration between the axle system and the vehicle compartment. The side beam is arranged to be the hollow side beam, so that an additional air chamber communicated with the air spring is formed in the inner cavity of the side beam, the volume of the air chamber is increased, the rigidity of the air spring is effectively reduced, the damping of the air spring is improved, and the vibration damping effect is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of a side beam provided in an embodiment of the present invention;
fig. 2 is a schematic top view of a side beam provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a framework according to an embodiment of the present invention;
fig. 4 is a schematic front view of a trailer bogie according to an embodiment of the present invention;
fig. 5 is a schematic top view of a trailer bogie according to an embodiment of the present invention.
Wherein,
the device comprises a framework-A, side beams-1, an air spring mounting seat-11, an additional air chamber-12, a connecting hole-13, a small longitudinal beam-2, a cross beam-4, a longitudinal beam-5, a wheel disc brake mounting seat-6, an axle disc brake mounting seat-8, an air spring-B, an anti-rolling torsion bar device-C, an automatic height adjusting valve-D, a wheel pair axle box positioning device-E, a traction pull rod device-F, an anti-snaking shock absorber-G, a wheel disc brake device-H, an axle system-K and an axle disc brake device-J.
Detailed Description
The utility model discloses a trailer bogie to improve the damping effect.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, fig. 1 is a schematic front view of a side beam according to an embodiment of the present invention; fig. 2 is a schematic top view of a side beam provided in an embodiment of the present invention; fig. 3 is a schematic structural diagram of a framework according to an embodiment of the present invention; fig. 4 is a schematic front view of a trailer bogie according to an embodiment of the present invention; fig. 5 is a schematic top view of a trailer bogie according to an embodiment of the present invention.
The embodiment of the utility model provides a trailer bogie, including framework A, set up in wheel shaft system K, reel arresting gear J, rim plate arresting gear H on framework A and set up the air spring B on framework A, the framework includes crossbeam 4, curb girder 1 and longeron 5; an air spring mounting seat 11 is arranged on the side beam 1, and an air spring B is arranged on the air spring mounting seat 11; the side member 1 is a hollow side member having an internal cavity forming an additional air chamber 12 communicating with the air spring.
During operation of the trailer bogie, the trailer bogie is moved by traction forces. At this time, the air spring B reduces vibration between the axle system K and the vehicle compartment. The side beam 1 is a hollow side beam, so that an additional air chamber 12 communicated with the air spring B is formed in the inner cavity of the side beam, the volume of the air chamber is increased, the rigidity of the air spring is effectively reduced, the damping of the air spring is improved, and the vibration damping effect is effectively improved.
Preferably, the embodiment of the present invention provides a trailer bogie, wherein the side beam 1 is a U-shaped side beam. The middle section of the side beam 1 is concave, so that the whole side beam 1 is of a U-shaped structure, and the stability of the trailer bogie is effectively improved.
As shown in fig. 1, in the trailer bogie provided by the embodiment of the present invention, the side beam 1 is provided with a connecting hole 13 connected with the cross beam 4, so that the cross beam 4 can pass through and be fixed. To further improve the stability of the trailer bogie, attachment holes 13 are provided on the middle sections of the side members 1. Wherein, the mid section is the recessed part of U-shaped curb girder.
Further, the device also comprises a small longitudinal beam 2 arranged between the two cross beams 4. Through increasing minor longitudinal beam 2, effectively improved the stationarity of trailer bogie and the support stability of air spring B.
Among them, it is preferable to provide the minor longitudinal member 2 inside the side member 1 so as not to interfere with components provided outside the side member 1. Wherein, the inboard of curb girder 1 is the relative one side of two curb girders 1, and the outside is the outside one side of curb girder 1 towards the trailer bogie.
The embodiment of the utility model provides an among the trailer bogie, little longeron 2 has the cavity, makes the cavity that sets up in little longeron 2 and the inside cavity intercommunication of curb girder 1, cavity and additional air chamber 12 intercommunication promptly. The cavity communicated with the additional air chamber 12 is arranged in the small longitudinal beam 2, so that the volume of the air chamber is further increased, and the effect of further improving the vibration reduction effect is further achieved.
As shown in fig. 3, the number of the minor longitudinal members 2 is two and is provided in one-to-one correspondence with the two side members 1. Through setting up two little longerons 2, one of them little longeron 2 corresponds the setting with a curb girder 1, and the cavity of little longeron 2 communicates with the additional air chamber 12 of this curb girder 1, and another little longeron 2 corresponds the setting with another curb girder 1, and the cavity of little longeron 2 communicates with the additional air chamber 12 of this curb girder 1 for the air chamber volume of two air spring B increases is the same, and then has improved the utility model provides a degree of consistency of trailer bogie in the damping process.
As shown in fig. 3 and 5, the embodiment of the present invention provides a trailer bogie including two sets of axle systems K, and the axle of the axle systems K is parallel to the cross beam 4, and the axle is disposed between two side beams 1. The number of the axle disc brake devices J is two, and the two axle disc brake devices J are arranged diagonally in consideration of the overall balance of the bogie. As shown in fig. 3, the left cross member 4 is provided with a hub brake mounting seat 8 near the upper side member 1, and the right cross member 4 is provided with a hub brake mounting seat 8 near the lower side member 1. When the two shaft disc braking devices J are respectively arranged on the two shaft disc braking mounting seats 8, a connecting line between the two shaft disc braking devices J and the cross beam 4 form a certain included angle, and the preferred included angle is 45 degrees so as to further improve the overall balance of the bogie.
Also can set up four reel arresting gear J, set up two reel braking mount pads 8 on two crossbeams 4 respectively promptly, evenly set up two reel braking mount pads 8 on crossbeam 4 on the left side promptly, evenly set up two other reel braking mount pads 8 on crossbeam 4 on the right. Two shaft disc braking devices J are arranged on the shaft disc braking mounting seat 8 of the left cross beam 4, and the other two shaft disc braking devices J are arranged on the shaft disc braking mounting seat 8 of the right cross beam 4; so that the four axle disc brake devices J are symmetrically arranged, and the integral balance of the trailer bogie is further improved.
The embodiment of the utility model provides a trailer bogie is no bolster second grade and hangs air spring bogie. The device also comprises a traction pull rod device F and an anti-snaking shock absorber G which are arranged on the outer side of the side beam 1. Wherein, the traction pull rod device F is a single traction pull rod device, and the anti-snaking shock absorber G is a unilateral anti-snaking shock absorber. As shown in fig. 5, the number of the traction link devices F is two, and both are arranged outside the side member 1; the number of the snake dampers G is one, and the snake dampers G are arranged on the inner side of the side beam 1 and are symmetrically arranged.
As shown in fig. 4, the embodiment of the present invention provides a trailer bogie whose outside is further provided with an automatic height adjusting valve D and a wheel set axle box positioning device E.
As shown in fig. 5, the automatic height adjusting valves D are two in number and are disposed opposite to each other.
In the motor car bogie provided by the embodiment of the utility model, the anti-rolling torsion bar device C is positioned outside the side beam 1; the anti-roll torsion bar device C is supported by the cross member 4 through a joint bearing.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A trailer bogie comprises a framework (A), an axle system (K) arranged on the framework (A), an axle disc braking device (J), a wheel disc braking device (H) and an air spring (B) arranged on the framework (A), and is characterized in that the framework comprises a cross beam (4), a side beam (1) and a longitudinal beam (5);
an air spring mounting seat (11) is arranged on the side beam (1), and the air spring (B) is arranged on the air spring mounting seat (11);
the side beam (1) is a hollow side beam having an internal cavity forming an additional air chamber (12) communicating with the air spring.
2. A trailer bogie as claimed in claim 1, characterised in that the side beams (1) are U-shaped side beams.
3. A trailer bogie as claimed in claim 2, characterised in that the side beams (1) are provided with attachment holes (13) in their mid-sections for attachment to the cross-beams (4).
4. A trailer bogie as claimed in claim 1, further comprising a minor longitudinal beam (2) disposed between two of said transverse beams (4).
5. A trailer bogie as claimed in claim 4, characterised in that said minor longitudinal beam (2) is arranged inside said side beam (1).
6. A trailer bogie as claimed in claim 4, characterised in that the minor longitudinal beam (2) has a cavity communicating with the additional air chamber (12).
7. A trailer bogie as claimed in claim 6, characterised in that said minor longitudinal beams (2) are two in number and are arranged in one-to-one correspondence with two of said side beams (1).
8. A trailer bogie as claimed in claim 1, characterised in that said axle disc brake means (J) are two in number and are arranged diagonally on two of said cross beams (4) of said frame (a).
9. A trailer bogie as claimed in claim 1, further comprising a towing drawbar arrangement (F) and an anti-hunting damper (G) disposed outboard of said side beams (1).
10. A trailer bogie as claimed in any one of claims 1 to 9 further comprising anti-roll torsion bar means (C) located outboard of said side beams (1);
the anti-rolling torsion bar device (C) is supported on the cross beam (4) through a joint bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875096.7U CN203666686U (en) | 2013-12-27 | 2013-12-27 | Trailer bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875096.7U CN203666686U (en) | 2013-12-27 | 2013-12-27 | Trailer bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666686U true CN203666686U (en) | 2014-06-25 |
Family
ID=50963006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875096.7U Expired - Fee Related CN203666686U (en) | 2013-12-27 | 2013-12-27 | Trailer bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770805A (en) * | 2013-12-27 | 2014-05-07 | 南车青岛四方机车车辆股份有限公司 | Trailer bogie |
-
2013
- 2013-12-27 CN CN201320875096.7U patent/CN203666686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770805A (en) * | 2013-12-27 | 2014-05-07 | 南车青岛四方机车车辆股份有限公司 | Trailer bogie |
| CN103770805B (en) * | 2013-12-27 | 2017-02-08 | 中车青岛四方机车车辆股份有限公司 | Trailer bogie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20161227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |