CN113580869A - Novel rail vehicle height adjusting device - Google Patents
Novel rail vehicle height adjusting device Download PDFInfo
- Publication number
- CN113580869A CN113580869A CN202111002889.3A CN202111002889A CN113580869A CN 113580869 A CN113580869 A CN 113580869A CN 202111002889 A CN202111002889 A CN 202111002889A CN 113580869 A CN113580869 A CN 113580869A
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- Prior art keywords
- valve
- air spring
- air
- pipeline interface
- processor
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 56
- 230000009471 action Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0525—Height adjusting or levelling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a novel rail vehicle height adjusting device, which comprises an integrated laser displacement sensor, a processor and an electromagnetic valve, wherein the electromagnetic valve comprises a shell, a valve head and a piston, an air storage cylinder pipeline interface, an air spring pipeline interface and an air outlet are arranged on the shell, the top of the valve head is abutted against the air storage cylinder pipeline interface to form a check valve, and the bottom of the valve head is abutted against the air spring pipeline interface and the end part of the piston to respectively form an air spring air inlet valve and an air spring exhaust valve; the laser displacement sensor measures the vertical relative displacement between the vehicle body and the bogie and transmits the vertical relative displacement to the processor, and the processor performs logic judgment according to the vertical relative displacement and outputs corresponding instructions to the electromagnetic valve to control the opening or closing of the check valve, the air spring air inlet valve and the air spring exhaust valve so as to realize the air charging and discharging of the air spring. The invention has small dynamic occupied space, simplifies the number of parts and reduces the weight; the failure rate is reduced, and the maintenance is convenient.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a novel height adjusting device for a railway vehicle.
Background
The existing secondary suspension of the bogie of the railway vehicle adopts an air spring structure type, and is provided with a height adjusting device which is used for detecting the height change between a vehicle body and the bogie caused by load change and charging and discharging the air spring according to the height change condition so as to ensure the relative stability of the height between the vehicle and a frame. The existing height adjusting device applied to the rail vehicle mainly comprises an adjusting rod, a horizontal rod and a height adjusting valve, joint bearing structures are adopted at two ends of the adjusting rod, a lower joint bearing of the adjusting rod is connected with a framework, an upper joint bearing of the adjusting rod is connected with one end of the horizontal rod, the other end of the horizontal rod is connected with the height adjusting valve, and the height adjusting valve is installed on a vehicle body underframe. When the load on the vehicle is increased and the floor surface descends, the air inlet of the height adjusting valve is opened, and the compressed air of the air storage cylinder flows into the air spring through the height adjusting valve; when the load on the vehicle is reduced and the floor surface rises, the exhaust port of the height adjusting valve is opened, the air inlet is closed, and the air in the air spring is exhausted through the exhaust port until the horizontal rod is lowered to the initially set height. However, the existing height adjusting device has more and more dispersed parts, occupies larger space, particularly dynamic occupied space, and is easy to deform in the transportation or vehicle operation process, so that the fault rate of the height adjusting device is higher.
Disclosure of Invention
In order to solve the problems of large occupied space, high failure rate and the like of a height adjusting device in the prior art, the invention provides a novel rail vehicle height adjusting device which is small in overall occupied space and small in dynamic occupied space; the number of parts is simplified, and the weight is reduced; the deformation phenomenon of the horizontal rod in the transportation or vehicle operation process is avoided, the fault rate of the height adjusting device is reduced, and the maintenance is convenient.
In order to solve the problems, the invention adopts the following technical scheme:
a novel rail vehicle height adjusting device comprises an integrated laser displacement sensor, a processor and an electromagnetic valve, wherein the electromagnetic valve comprises a shell, a valve head and a hollow piston, the valve head and the piston are both positioned inside the shell, an air storage cylinder pipeline interface, an air spring pipeline interface and an air outlet are arranged on the shell, the top of the valve head abuts against the air storage cylinder pipeline interface to form a check valve, and the bottom of the valve head abuts against the air spring pipeline interface and the end part of the piston to form an air spring air inlet valve and an air spring air outlet valve respectively;
the laser displacement sensor measures the vertical relative displacement between the vehicle body and the bogie, and transmits the vertical relative displacement to the processor, the processor judges whether the vertical relative displacement falls into an inflation displacement threshold interval, a non-action threshold interval and an exhaust displacement threshold interval, when the vertical relative displacement falls into the inflation displacement threshold interval, the processor outputs an inflation action instruction to the electromagnetic valve, so that the check valve and the air spring air inlet valve are opened, the air spring exhaust valve is closed, and the air spring is inflated through the air storage cylinder pipeline interface and the air spring pipeline interface; when the vertical relative displacement falls into the exhaust displacement threshold interval, the processor outputs an exhaust action instruction to the electromagnetic valve, so that the check valve and the air spring air inlet valve are closed, the air spring exhaust valve is opened, and air is exhausted for the air spring through the air spring pipeline interface and the air outlet; and when the vertical relative displacement falls into the non-action threshold interval, the processor does not output instructions.
Compared with the prior art, the invention has the following beneficial effects:
the novel height adjusting device for the railway vehicle adopts an integrated structure, realizes the functions of the original height adjusting valve, the horizontal rod and the adjusting rod through the laser displacement sensor, the electromagnetic valve and the processor which are integrated in the novel height adjusting device, has small overall occupied space, reduces the number of parts, realizes light weight, is convenient to overhaul and maintain, avoids the problem of deformation of the horizontal rod due to the fact that the horizontal rod is cancelled, and reduces the fault rate of the height adjusting device. When a vehicle passes through a curve, the vehicle body rotates relative to the bogie, the height adjusting valve is installed on a vehicle body chassis, namely the height adjusting valve rotates relative to the bogie, so that the height adjusting valve drives the horizontal rod, the horizontal rod drives the adjusting rod to rotate relative to the bogie, and the area through which the adjusting rod rotates is the dynamic occupied space.
Drawings
FIG. 1 is a schematic structural view of the novel rail vehicle height adjustment assembly of the present invention in a closed position;
FIG. 2 is a schematic structural view of the novel rail vehicle height adjustment apparatus of the present invention when an air spring is inflated;
FIG. 3 is a schematic structural view of the novel rail vehicle height adjustment apparatus of the present invention when the air spring is exhausted;
fig. 4 is a block diagram of a processor in the novel height adjustment device for a railway vehicle according to the present invention for performing logic determination.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, the novel rail vehicle height adjusting device provided by the invention mainly comprises a laser displacement sensor 2, a processor 3 and an electromagnetic valve, wherein the laser displacement sensor 2, the processor 3 and the electromagnetic valve are of an integrated structure, the laser displacement sensor 2 for measuring the vertical relative displacement between a vehicle body and a bogie is installed on a housing 1 of the electromagnetic valve, the processor 3 is installed inside the housing 1 of the electromagnetic valve, and instructions are transmitted between the laser displacement sensor 2 and the electromagnetic valve through the processor 3.
The solenoid valve includes casing 1, valve head 7 and piston 8 to valve head 7 and piston 8 all are located the inside of casing 1, and valve head 7 includes two electro-magnets and is located the spring between two electro-magnets, can produce magnetism after the electro-magnet circular telegram, inter attraction, thereby compression spring. The piston 8 is hollow, the hollow part is communicated with the air outlet 6, the piston 8 can move up and down in the shell 1, and a sealing ring 9 is arranged between the piston 8 and the inner wall of the shell 1. The shell 1 is provided with an air storage cylinder pipeline interface 4, an air spring pipeline interface 5 and an air outlet 6, the air storage cylinder pipeline interface 4 is used for being communicated with an air storage cylinder, compressed air required by air inflation is provided for an air spring by the air storage cylinder, the air spring pipeline interface 5 is used for being communicated with the air spring to provide an air inflation and deflation path for the air spring, and the air outlet 6 is used for being communicated with the outside so as to exhaust air exhausted by the air inflation spring to the outside. Two air spring pipeline interfaces 5 are symmetrically distributed on two sides of the shell 1, wherein one air spring pipeline interface 5 is sealed by a sealing plug 10. The top of the valve head 7 abuts against the reservoir pipe joint 4 to form a check valve V1. The bottom of the valve head 7 is respectively pressed against the air spring pipeline interface 5 and the end part of the piston 8, and an air spring inlet valve V2 and an air spring exhaust valve V3 are respectively formed.
The laser displacement sensor 2 is used for measuring the vertical relative displacement between the truck body and the bogie, the vertical relative displacement is a vector with direction and size, the laser displacement sensor 2 transmits the measured vertical relative displacement to the processor 3, the processor 3 carries out logic judgment according to the vertical relative displacement, outputs a corresponding instruction to the electromagnetic valve and controls the electromagnetic valve to act, or does not output the instruction to the electromagnetic valve, and the on-off state of the electromagnetic valve is kept, as shown in fig. 4.
Specifically, the processor 3 determines whether the vertical relative displacement falls into an inflation displacement threshold interval, a non-operation threshold interval, and an exhaust displacement threshold interval, where the inflation displacement threshold interval, the non-operation threshold interval, and the exhaust displacement threshold interval are pre-designed and divided intervals, for example, an inflation displacement threshold interval (< -X), a non-operation threshold interval ([ -X, X ]), and an exhaust displacement threshold interval (> X) are obtained by dividing the solenoid valve threshold, and the solenoid valve threshold X is calculated from the angle threshold of the height adjustment valve and the length of the horizontal rod in the conventional height adjustment device applied to the rail vehicle, and when the angle threshold of the height adjustment valve is 5 ° and the length of the horizontal rod is 110mm, the solenoid valve threshold X can be calculated to be 110 × tan5 ° (mm) ═ 9.6 (mm).
When the vertical relative displacement falls into the non-action threshold interval, the processor 3 does not give an instruction to the electromagnetic valve, and the electromagnetic valve does not act.
When the vehicle is loaded, the floor surface descends, and the vertical relative displacement between the vehicle body and the bogie falls into an inflation displacement threshold interval (such as < -9.6mm), the processor 3 outputs an inflation action command to the electromagnetic valve, the valve head 7 of the electromagnetic valve contracts, the piston 8 moves upwards, the check valve V1 and the air spring air inlet valve V2 are opened, and the air spring air outlet valve V3 is closed (as shown in figure 2), so that the compressed air in the air storage cylinder flows into the air spring through the air storage cylinder pipeline interface 4 and the air spring pipeline interface 5 to inflate the air spring, and the inflation is stopped until the initially set air spring height is reached.
When the vehicle is unloaded, the floor surface rises, and the vertical relative displacement between the vehicle body and the bogie falls into an exhaust displacement threshold range (such as > +9.6mm), the processor 3 outputs an exhaust action command to the electromagnetic valve, the valve head 7 of the electromagnetic valve is not moved, the piston 8 moves downwards, the check valve V1 and the air spring inlet valve V2 are closed, and the air spring exhaust valve V3 is opened (as shown in figure 3), so that the air in the air spring is exhausted through the air spring pipeline interface 5 and the air outlet 6 until the air spring height which is initially set is reached, and then the exhaust is stopped.
The novel height adjusting device for the railway vehicle adopts an integrated structure, realizes the functions of the original height adjusting valve, the horizontal rod and the adjusting rod through the laser displacement sensor, the electromagnetic valve and the processor which are integrated in the novel height adjusting device, has small overall occupied space, reduces the number of parts, realizes light weight, is convenient to overhaul and maintain, avoids the problem of deformation of the horizontal rod due to the fact that the horizontal rod is cancelled, and reduces the fault rate of the height adjusting device. When a vehicle passes through a curve, the vehicle body rotates relative to the bogie, the height adjusting valve is installed on a vehicle body chassis, namely the height adjusting valve rotates relative to the bogie, so that the height adjusting valve drives the horizontal rod, the horizontal rod drives the adjusting rod to rotate relative to the bogie, and the area through which the adjusting rod rotates is the dynamic occupied space.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. The novel rail vehicle height adjusting device is characterized by comprising an integrated laser displacement sensor (2), a processor (3) and an electromagnetic valve, wherein the electromagnetic valve comprises a shell (1), a valve head (7) and a hollow piston (8), the valve head (7) and the piston (8) are both located inside the shell (1), an air storage cylinder pipeline interface (4), an air spring pipeline interface (5) and an air outlet (6) are arranged on the shell (1), the top of the valve head (7) is abutted against the air storage cylinder pipeline interface (4) to form a check valve (V1), and the bottom of the valve head (7) is abutted against the air spring pipeline interface (5) and the end of the piston (8) to form an air spring air inlet valve (V2) and an air spring exhaust valve (V3) respectively;
the laser displacement sensor (2) measures the vertical relative displacement between a vehicle body and a bogie, and transmits the vertical relative displacement to the processor (3), the processor (3) judges whether the vertical relative displacement falls into an inflation displacement threshold interval, a non-action threshold interval and an exhaust displacement threshold interval, when the vertical relative displacement falls into the inflation displacement threshold interval, the processor (3) outputs an inflation action instruction to the electromagnetic valve to open the check valve (V1) and the air spring air inlet valve (V2), close the air spring exhaust valve (V3), and inflate an air spring through the air storage cylinder pipeline interface (4) and the air spring pipeline interface (5); when the vertical relative displacement falls into the exhaust displacement threshold interval, the processor (3) outputs an exhaust action command to the electromagnetic valve, so that the check valve (V1) and the air spring air inlet valve (V2) are closed, the air spring exhaust valve (V3) is opened, and air is exhausted for the air spring through the air spring pipeline interface (5) and the air outlet (6); when the vertical relative displacement falls into the non-action threshold interval, the processor (3) does not output an instruction.
2. The device as claimed in claim 1, wherein the inflation displacement threshold interval, the non-actuation threshold interval and the exhaust displacement threshold interval are obtained by dividing a solenoid valve threshold value calculated according to an angle threshold of the leveling valve and a length of the horizontal rod.
3. The new rail vehicle height adjustment assembly as claimed in claim 2, wherein the solenoid valve threshold is 9.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002889.3A CN113580869A (en) | 2021-08-30 | 2021-08-30 | Novel rail vehicle height adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002889.3A CN113580869A (en) | 2021-08-30 | 2021-08-30 | Novel rail vehicle height adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN113580869A true CN113580869A (en) | 2021-11-02 |
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| CN202111002889.3A Pending CN113580869A (en) | 2021-08-30 | 2021-08-30 | Novel rail vehicle height adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2612070A (en) * | 2021-10-21 | 2023-04-26 | Jaguar Land Rover Ltd | Pneumatic valve damping to improve air venting noise |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184040A (en) * | 1996-11-30 | 1998-06-10 | 日野汽车工业株式会社 | Air suspending height regulator for vehicle |
| WO2012153757A1 (en) * | 2011-05-09 | 2012-11-15 | ピー・エス・シー株式会社 | Vehicle automatic height-adjusting valve |
| JP2013123982A (en) * | 2011-12-14 | 2013-06-24 | Hino Motors Ltd | Air suspension control device for vehicle |
| US20140060379A1 (en) * | 2011-05-09 | 2014-03-06 | Nippon Sharyo, Ltd. | Vehicle-body inclination device and double-layer three-way valve used in vehicle-body inclination device |
| CN210139755U (en) * | 2019-05-17 | 2020-03-13 | 青岛路莱宝电子科技有限公司 | One-connection valve for vehicle electric control air suspension |
| CN112896215A (en) * | 2021-02-04 | 2021-06-04 | 中车青岛四方车辆研究所有限公司 | Active tilting and swinging system for rail transit |
-
2021
- 2021-08-30 CN CN202111002889.3A patent/CN113580869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184040A (en) * | 1996-11-30 | 1998-06-10 | 日野汽车工业株式会社 | Air suspending height regulator for vehicle |
| WO2012153757A1 (en) * | 2011-05-09 | 2012-11-15 | ピー・エス・シー株式会社 | Vehicle automatic height-adjusting valve |
| US20140060379A1 (en) * | 2011-05-09 | 2014-03-06 | Nippon Sharyo, Ltd. | Vehicle-body inclination device and double-layer three-way valve used in vehicle-body inclination device |
| JP2013123982A (en) * | 2011-12-14 | 2013-06-24 | Hino Motors Ltd | Air suspension control device for vehicle |
| CN210139755U (en) * | 2019-05-17 | 2020-03-13 | 青岛路莱宝电子科技有限公司 | One-connection valve for vehicle electric control air suspension |
| CN112896215A (en) * | 2021-02-04 | 2021-06-04 | 中车青岛四方车辆研究所有限公司 | Active tilting and swinging system for rail transit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2612070A (en) * | 2021-10-21 | 2023-04-26 | Jaguar Land Rover Ltd | Pneumatic valve damping to improve air venting noise |
| GB2612070B (en) * | 2021-10-21 | 2023-12-06 | Jaguar Land Rover Ltd | Pneumatic valve damping to improve air venting noise |
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Application publication date: 20211102 |