CN110723162B - Balancing device for air spring height valve of medium-low speed magnetic levitation vehicle - Google Patents
Balancing device for air spring height valve of medium-low speed magnetic levitation vehicle Download PDFInfo
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- CN110723162B CN110723162B CN201911019307.5A CN201911019307A CN110723162B CN 110723162 B CN110723162 B CN 110723162B CN 201911019307 A CN201911019307 A CN 201911019307A CN 110723162 B CN110723162 B CN 110723162B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/04—Magnetic suspension or levitation for vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an equalizing device for an air spring altitude valve of a medium-low speed maglev vehicle, which comprises an altitude valve, a mounting plate, a torsion bar, a mounting suspension rod, a displacement transmission rod, an adjusting rod and a connecting rod, wherein the altitude valve is connected with the displacement transmission rod through the adjusting rod, one end of the displacement transmission rod is connected with a right mounting plate, the other end of the displacement transmission rod is connected with the torsion bar, the torsion bar is connected with a left mounting plate, one end of the mounting suspension rod is connected with a vehicle body of the maglev vehicle, and the other end. The invention transmits the displacement of the right suspension module to the altitude valve through the adjusting rod connected to the displacement transmission rod to form a four-point height control system, and the displacement of the two modules after being balanced is transmitted by the front altitude valve, so that the relative displacement condition between the suspension frame and the vehicle body can be more accurately reflected, the decoupling of the suspension frame and the secondary system formed by the air springs are prevented from being mutually coupled, and the condition that the vehicle body cannot normally suspend when the module is pressed in a curve due to the excessive inflation or deflation of the air secondary suspension system is also avoided.
Description
Technical Field
The invention belongs to the technical field of damping of medium-low speed maglev vehicles, and particularly relates to a balancing device for an air spring height valve of a medium-low speed maglev vehicle.
Background
The magnetic suspension train has the advantages of high acceleration, stable running, low noise, strong climbing capability and the like, and is rapidly developed in China in recent years, because of the running speed and comfort of the magnetic suspension train and the decoupling requirement of a bogie, an air suspension system is mostly adopted to form a secondary suspension system, the secondary suspension system of the magnetic suspension train is connected with a train body and a suspension running part, the running safety and the stability of the train are greatly influenced, and the gas circuit design of the air suspension system of the magnetic suspension train not only needs to consider the common functions of connecting the train body with the bogie, isolating vibration and the like, but also needs to be combined with the suspension control function to be considered.
As shown in fig. 2, 20 air springs are disposed under each single-track vehicle in the existing medium-low speed maglev vehicle, and in order to realize the control of 20 air springs under the same single-track vehicle, the three-point height control system is adopted to control the air springs by using the principle that three points must be coplanar, and three height valves are disposed in total. Generally, a height valve in a three-point height control system is arranged in a triangular shape, wherein a rear height valve is arranged symmetrically to the axis of a vehicle, and a front height valve is arranged between the vehicle and a module on one side, so that the vertical distance between a suspension frame and a vehicle body cannot be transmitted by the front height, and the vertical distance between a unilateral suspension module and the vehicle body is only reflected. It mainly has the following problems: 1. the suspension control requirement of the magnetic suspension vehicle is improved; 2. the decoupling performance of the suspension bracket is influenced to a certain extent; 3, the curve passing capacity of the vehicle is limited, and the vehicle body presses the module in the curve during the actual operation process.
Therefore, how to optimize the installation mode of the front height valve and enable the front height valve to correctly transmit the vertical distance between the suspension frame and the vehicle body is a technical problem to be solved by the technical field personnel.
Disclosure of Invention
In order to solve the technical problems, the invention provides a balancing device for an air spring altitude valve of a medium-low speed maglev vehicle, which comprises a module, a mounting plate, an altitude valve, a torsion bar, a mounting suspension rod, a displacement transmission rod, an adjusting rod, a left connecting rod and a right connecting rod, wherein the torsion bar, the mounting suspension rod, the displacement transmission rod, the adjusting rod, the left connecting rod and the right connecting rod are arranged between the mounting plate and a maglev vehicle body, the mounting plate comprises a left mounting plate and a right mounting plate which are symmetrically arranged on the two side modules, the left mounting plate is fixedly connected with the left suspension module of the maglev vehicle, the right mounting plate is fixedly connected with the right suspension module of the maglev vehicle, the altitude valve is arranged between the maglev vehicle body and the right suspension module and is connected with the displacement transmission rod through the adjusting rod, one end of the displacement transmission rod is connected with the right, one end of the mounting suspender is connected with the body of the magnetic levitation vehicle, and the other end of the mounting suspender is connected with the torsion bar.
Preferably, the mounting hanger rods comprise a left mounting hanger rod and a right mounting hanger rod which are symmetrically arranged at two sides of the center of the torsion bar, one end of the left mounting hanger rod is hinged on the left side of the torsion bar, the other end of the left mounting hanger rod is connected with a vehicle body, one end of the right mounting hanger rod is hinged on the right side of the torsion bar, and the other end of the right mounting hanger rod is connected with the vehicle body.
Preferably, the left mounting plate, the left connecting rod, the torsion bar, the left mounting suspender, the right mounting suspender and the displacement transmission rod are connected by rubber pieces.
Preferably, the right mounting plate and between the right connecting rod and the displacement transmission rod are connected by rubber pieces.
Preferably, the altitude valve is arranged on the outer side of the vehicle body of the magnetic levitation vehicle.
Preferably, the adjusting lever is hinged to the displacement transmission lever.
Compared with the prior art, the left suspension module moves to drive the torsion bar to transmit the displacement of the left suspension module to the displacement transmission rod through the left connecting rod, the right suspension module moves to transmit the displacement of the right suspension module to the displacement transmission rod through the right connecting rod, then the displacement transmission rod transmits the balanced displacement of the left suspension module and the balanced displacement of the right suspension module to the altitude valve through the adjusting rod to form a four-point height control system to finish the correct transmission of the vertical distance between the suspension frame and the vehicle body, and the altitude valve transmits the balanced displacement of the left suspension module and the right suspension module, so that the relative displacement condition between the suspension frame and the vehicle body can be more accurately reflected, and the mutual coupling of a secondary system consisting of the suspension frame and the air spring can be avoided, meanwhile, the situation that the vehicle body cannot normally suspend due to the fact that the module is pressed by the vehicle body in a curve caused by excessive inflation or deflation of the air secondary suspension system can be avoided.
Drawings
FIG. 1 is a schematic structural diagram of an equalizing device of an air spring height valve of a medium-low speed magnetic levitation vehicle according to the present invention,
fig. 2 is a schematic structural diagram of a three-point height control system of a prior art medium-low speed magnetic levitation vehicle.
In the figure: 11. the suspension system comprises a left suspension module, 12, a right suspension module, 21, a left mounting plate, 22, a right mounting plate, 3, an altitude valve, 31, a first altitude valve, 32, a second altitude valve, 33, a third altitude valve, 4, a torsion bar, 5, an installation suspender, 51, a left installation suspender, 52, a right installation suspender, 6, a displacement transmission rod, 7, an adjusting rod, 81, a left connecting rod and 82, a right connecting rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in FIG. 1, an equalizing device for air spring altitude valve of medium-low speed maglev vehicle comprises a module, a mounting plate and an altitude valve 3, and a torsion bar 4, a mounting suspension rod 5, a displacement transmission rod 6, an adjusting rod 7, a left connecting rod 81 and a right connecting rod 82 which are arranged between the mounting plate and the maglev vehicle body, wherein the mounting plate comprises a left mounting plate 21 and a right mounting plate 22 which are symmetrically arranged on the two side modules, the left mounting plate 21 is fixedly connected with a left suspension module 11 of the maglev vehicle, the right mounting plate 22 is fixedly connected with a right suspension module 12 of the maglev vehicle, the altitude valve 3 is arranged between the maglev vehicle body and the module and is connected with the displacement transmission rod 6 through the adjusting rod 7, one end of the displacement transmission rod 6 is connected with the right mounting plate 22 through the right connecting rod 82, and the other end of the displacement transmission rod 6 is connected, the torsion bar 4 is connected with the left mounting plate 21 through the left connecting rod 81, one end of the mounting suspender 5 is connected with the body of the magnetic levitation vehicle, and the other end of the mounting suspender 5 is connected with the torsion bar 4.
In this embodiment, the left mounting plate 21 is disposed between the left suspension module 11 and the vehicle body of the magnetic levitation vehicle, the right mounting plate 22 is disposed between the right suspension module 12 and the vehicle body of the magnetic levitation vehicle, when the left suspension module 11 moves, the torsion bar 4 is driven by the left connecting rod 81 to transmit the displacement of the left suspension module 11 to the displacement transmission rod 6, when the right suspension module 12 moves, the displacement of the right suspension module 12 is transmitted to the displacement transmission rod 6 by the right connecting rod 82, then the displacement transmission rod 6 transmits the equalized displacement of the left suspension module 11 and the right suspension module 12 to the altitude valve 3 by the adjusting rod 7, so as to complete the correct transmission of the vertical distance between the suspension frame and the vehicle body, since the altitude valve 3 transmits the equalized displacement of the left suspension module 11 and the right suspension module 12, therefore, the air spring four-point height valve control system can accurately reflect the relative position relation between the suspension frame and the vehicle body, so that the decoupling of the suspension frame and the secondary system formed by the air springs are effectively prevented from being mutually coupled, and the condition that the vehicle body cannot be normally suspended due to the fact that the module is pressed by the vehicle body in a curve due to the fact that the air secondary suspension system is excessively inflated or deflated is also avoided.
As shown in fig. 1, the mounting suspension rod 5 includes a left mounting suspension rod 51 and a right mounting suspension rod 52 symmetrically disposed at two sides of the center of the torsion bar 4, one end of the left mounting suspension rod 51 is hinged to the left side of the torsion bar 4, the other end of the left mounting suspension rod 51 is connected to the vehicle body, one end of the right mounting suspension rod 52 is hinged to the right side of the torsion bar 4, and the other end of the right mounting suspension rod 52 is connected to the vehicle body. In this embodiment, the mounting suspension rods 5 are symmetrically arranged on two sides of the center of the torsion bar 4, so that the torsion bar 4 can be stably connected with the body of the maglev vehicle, and the torsion bar 4 can timely and accurately transmit the displacement of the left module 11 to the displacement transmission rod 6.
As shown in fig. 1, the left mounting plate 21, the left connecting rod 81, the torsion bar 4, the left mounting hanger 51, the right mounting hanger 52 and the displacement transmission rod 6 are connected by rubber members. In this embodiment, the left mounting plate 21, the left connecting rod 81, the torsion bar 4, the left mounting suspension rod 51, the right mounting suspension rod 52 and the displacement transmission rod 6 are hinged to each other by rubber members, so that the movable connection between the torsion bar 4 and the magnetic levitation vehicle body and the timely and stable transmission of the displacement of the left module 11 are ensured. In other embodiments, the left mounting plate 21, the left connecting rod 81, the torsion bar 4, the left mounting suspension rod 51, the right mounting suspension rod 52 and the displacement transmission rod 6 may be connected by other connection methods.
As shown in fig. 1, the right mounting plate 22 and the right connecting rod 82 and the displacement transmission rod 6 are connected by rubber members. In this embodiment, the right mounting plate 22 and between the right connecting rod 82 and between the displacement transmission rod 6 all adopt the rubber spare articulated, guaranteed the displacement of right module 12 can obtain timely stable transmission. In other embodiments, other connection methods may be used to connect the right mounting plate 22 to the right connecting rod 82 and the right connecting rod 82 to the displacement transmission rod 6.
As shown in fig. 1, the altitude valve 3 is provided on the outside of the vehicle body of the magnetic levitation vehicle. In this embodiment, the altitude valve 3 is disposed on the outer side of the vehicle body of the magnetic levitation vehicle, so that the altitude valve 3 can be conveniently maintained and repaired.
As shown in fig. 1, the adjusting lever 7 is hinged to the displacement transmission lever 6. In this embodiment, the displacement transmission rod 6 balances the displacement of the left suspension module 11 and the displacement of the right suspension module 12 and then transmits the balanced displacements to the altitude valve 3 through the adjustment rod 7, and since the left and right altitude valves 3 are symmetrically arranged, the adjustment rod 7 is hinged to the middle position of the displacement transmission rod 6, so that the displacement transmission rod 6 is effectively ensured to transmit the balanced displacements to the adjustment rod 7 stably in time. In other embodiments, when the left and right altitude valves 3 are not laterally symmetrically disposed, the adjusting rod 7 is proportionally disposed on the displacement transmission rod 6.
The equalizing device for the air spring height valve of the medium-low speed magnetic levitation vehicle provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. The equalizing device for the air spring altitude valve of the medium-low speed maglev vehicle is characterized by comprising a mounting plate, an altitude valve (3), a torsion bar (4), a mounting hanger rod (5), a displacement transmission rod (6), an adjusting rod (7), a left connecting rod (81) and a right connecting rod (82) which are arranged between the mounting plate and a maglev vehicle body, wherein the mounting plate comprises a left mounting plate (21) and a right mounting plate (22) which are symmetrically arranged on two side modules, the left mounting plate (21) is fixedly connected with a left maglev vehicle suspension module (11), the right mounting plate (22) is fixedly connected with a right maglev vehicle suspension module (12), the altitude valve (3) is arranged between the maglev vehicle body and the right suspension module (12) and is connected with the displacement transmission rod (6) through the adjusting rod (7), one end of the displacement transmission rod (6) is connected with the right mounting plate (22) through the right connecting rod (82), the other end of the displacement transmission rod (6) is connected with the torsion bar (4), the torsion bar (4) is connected with the left mounting plate (21) through the left connecting rod (81), one end of the mounting suspender (5) is connected with the vehicle body of the magnetic levitation vehicle, and the other end of the mounting suspender (5) is connected with the torsion bar (4).
2. The equalizing device of the air spring height valve of a maglev vehicle with a medium-low speed according to claim 1, wherein the mounting suspension rod (5) comprises a left mounting suspension rod (51) and a right mounting suspension rod (52) symmetrically arranged at two sides of the center of the torsion bar (4), one end of the left mounting suspension rod (51) is hinged at the left side of the torsion bar (4), the other end of the left mounting suspension rod (51) is connected with the vehicle body, one end of the right mounting suspension rod (52) is hinged at the right side of the torsion bar (4), and the other end of the right mounting suspension rod (52) is connected with the vehicle body.
3. The equalizing device for air spring height valve of maglev vehicle of claim 2, wherein the left mounting plate (21), the left connecting rod (81), the torsion bar (4), the left mounting suspension rod (51), the right mounting suspension rod (52) and the displacement transmission rod (6) are connected by rubber members.
4. The equalizing device for air spring height valve of medium and low speed magnetic levitation vehicle as claimed in claim 3, wherein rubber is used for connection between the right mounting plate (22) and the right connecting rod (82) and between the right connecting rod (82) and the displacement transmission rod (6).
5. The equalizing device for the air spring height valve of the medium-low speed magnetic levitation vehicle as claimed in claim 4, wherein the height valve (3) is disposed on the outer side of the vehicle body of the magnetic levitation vehicle.
6. The equalizing device for air spring height valve of medium-low speed magnetic levitation vehicle as claimed in claim 5, wherein said adjusting lever (7) is hinged to said displacement transmission lever (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019307.5A CN110723162B (en) | 2019-10-24 | 2019-10-24 | Balancing device for air spring height valve of medium-low speed magnetic levitation vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019307.5A CN110723162B (en) | 2019-10-24 | 2019-10-24 | Balancing device for air spring height valve of medium-low speed magnetic levitation vehicle |
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| CN110723162A CN110723162A (en) | 2020-01-24 |
| CN110723162B true CN110723162B (en) | 2020-11-27 |
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| CN201911019307.5A Active CN110723162B (en) | 2019-10-24 | 2019-10-24 | Balancing device for air spring height valve of medium-low speed magnetic levitation vehicle |
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| DE102020135042A1 (en) * | 2020-12-29 | 2022-06-30 | Max Bögl Stiftung & Co. Kg | Running gear for a track-bound levitation vehicle of a magnetic levitation train |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3760797B2 (en) * | 2001-05-30 | 2006-03-29 | 住友金属工業株式会社 | Wheel load difference reduction method |
| CN100336690C (en) * | 2003-12-31 | 2007-09-12 | 北京控股磁悬浮技术发展有限公司 | New type magnetic suspension train air pendant heightness control device |
| JP4461189B1 (en) * | 2009-02-20 | 2010-05-12 | 三菱重工業株式会社 | Track system vehicle |
| CN102275482B (en) * | 2011-05-19 | 2013-09-04 | 东风汽车公司 | Composite type composite type height control system of air suspension |
| KR101372315B1 (en) * | 2011-12-12 | 2014-03-13 | 서울메트로 | a variable rod for leveling valve which air spring for electric motor car |
| JP2018118706A (en) * | 2017-01-27 | 2018-08-02 | 東洋ゴム工業株式会社 | Air spring device and height adjustment method for railway vehicle |
| CN208593392U (en) * | 2018-05-31 | 2019-03-12 | 西南交通大学 | A kind of 6 support and control systems of air spring of medium-and low-speed maglev vehicle |
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