CN104787068A - Standard motor-train-unit grid-type pressure wave protective valve - Google Patents
Standard motor-train-unit grid-type pressure wave protective valve Download PDFInfo
- Publication number
- CN104787068A CN104787068A CN201510190522.7A CN201510190522A CN104787068A CN 104787068 A CN104787068 A CN 104787068A CN 201510190522 A CN201510190522 A CN 201510190522A CN 104787068 A CN104787068 A CN 104787068A
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- China
- Prior art keywords
- pressure wave
- protective valve
- unit grid
- standard motor
- type pressure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0009—Means for controlling or equalizing air pressure shocks in trains, e.g. when passing or crossing in tunnels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a standard motor-train-unit grid-type pressure wave protective valve which is a pressure wave protective device for achieving flexible sealing between a sealing rubber rod and a base-plate strip gap. Four guide columns (6) arranged on a base plate (1). An air cylinder installation base (8) is arranged at the upper portions of the guide columns (6). A movable rubber rod connecting plate (4) capable of vertically sliding in the axial direction of the guide columns (6) is arranged in the middles of the guide columns (6). The sealing rubber rod (2) is arranged below the movable rubber rod connecting plate (4). A special connecting block (7) is arranged on the movable rubber rod connecting plate (4). The upper face of the special connecting block (7) is connected with an air cylinder push rod of a spring resetting double-action air cylinder (9). The spring resetting double-action air cylinder (9) is fixed to the air cylinder installation base (8). By means of the standard motor-train-unit grid-type pressure wave protective valve, the pressure wave protective valve is flexibly closed, the impermeability of the valve is guaranteed, the noise generated by closing the valve is reduced, and the protective valve can be timely opened when normal pressure fluctuation is normal to guarantee the quality of the air in a carriage.
Description
Technical field
Standard motor train unit grid type pressure wave protective valve relates to a kind of pressure wave operator guards.Be applied to the pressure wave fender guard of track traffic high-speed train air-conditioning system.
Background technology
Running at high speed, the passenger in train must be protected, in order to avoid be subject to the injury of powerful air pressure wave.This pressure wave is due to two train crossings or produce as the train moves into the tunnel.It can cause violent fluctuation of pressure and cause the pain of eardrum in ear.If lack the air conditioning equipment can resisted barometric waves and impact in train, after so this barometric waves produces, by the air-conditioner set at the sealing position and train inside that are perforated through rapidly train and extraneous passage, affect the comfort level of traveller's.
Pressure wave protective valve is arranged on air-conditioner set fresh wind port (or the new wind unit of train) and train useless row unit; the pressure wave produced when being mainly used in preventing train from running in tunnel is passed in car; pressure wave is avoided to cause passenger's ear uncomfortable; produce tinnitus phenomenon, ensure the traveling comfort of passenger.
Pressure wave protective valve feature is as follows: (1) shut is short, and impulsive force is large; (2) leakproofness requires high, requires that the time dropping to 1000Pa from 4000Pa is greater than 200S; (3), when many in tunnel sections are run, the action frequency of pressure wave protective valve is frequent; (4) when external pressure fluctuations is normal, pressure wave protective valve is opened automatically, to ensure the resh air requirement in compartment.
High-speed train air-conditioning system domestic at present mainly uses main employing valve plate type pressure wave protective valve; This protective valve promotes the sealing clamp with cylinders with a double-acting type cylinder, and to close outer vent in car, two linear guide bearings are equipped with at sealing clamp two ends.This protective valve has following weak point; (1) for meeting the larger forced stroke of ventilation volume protective valve valve plate needs in car; bear larger impulsive force when sealing clamp and base plate are worked, cause the life-span of protective valve sealing element greatly to reduce, valve body operating noise is large.(2) owing to adopting the sealing clamp that monoblock is large, require that the rigidity of sealing clamp entirety increases, valve weight is increased, need larger cylinder and consume more compressor air amount.(3) owing to adopting double-acting cylinder, when external pressure fluctuations is normal, if run into the unexpected power-off of Controlling solenoid valve or under there is no compressed-air actuated situation, this valve can not be opened, new wind is not had to enter in compartment, thus cause that the oxygen in compartment is fewer and feweri, gas concentration lwevel raises, and affects the comfort level of passenger.
Summary of the invention
Technical matters: the object of the invention is for the deficiencies in the prior art; a kind of brand-new standard motor train unit grid type pressure wave protective valve is provided; this protective valve is because perimeter bar seam length is far above presser type; therefore can significantly reduce cylinder operation stroke; thus actv. ensure that pressure wave protective valve performance and used life, reduce noise and weight.
Technical scheme: grid type pressure wave protective valve main body employing aluminum alloy manufacture, its valve is made up of many caulking gum rods.When producing air pressure protection act, cylinder operation makes the air duct slats seam on rubber bar extruding base plate by the dynamic plate of glue rod connection, thus seals air intake;
A kind of standard motor train unit grid type pressure wave protective valve of the present invention; the glue rod that base plate is provided with 4 guide pillars axially lower slider connects dynamic plate; connect below dynamic plate at glue rod and be provided with caulking gum rod; connect above dynamic plate at glue rod and be provided with special contiguous block; being connected with the cylinder push-rod of spring reset double-acting cylinder above of special contiguous block, spring reset double-acting cylinder is fixed on cylinder mount pad.
The connection of described glue rod is dynamic is provided with orienting sleeve between plate and guide pillar contact surface.
Described connection is moved between plate both sides and caulking gum rod and is provided with locating piece.
Caulking gum rod adopts outside metal inside and covers Ethylene Propylene Terpolymer high-strength abrasion-proof rubber.
Described guide pillar is cylindrical.
The quantity of described caulking gum rod is at least two.
Beneficial effect: the leakproofness achieving pressure wave protective valve, reduces the noise that valve cuts out, improves the service life of valve, and open protective valve in time when external pressure fluctuations is normal to ensure the air quality in compartment.
Accompanying drawing explanation
Fig. 1 is this standard motor train unit grid type pressure wave protective valve structural representation in the on-state,
Fig. 2 be this standard motor train unit grid type pressure wave protective valve in off position under structural representation,
Fig. 3 is the structural representation of this standard motor train unit grid type pressure wave protective valve side in the on-state,
Fig. 4 is the structural representation that this standard motor train unit grid type pressure wave protective valve is overlooked in the on-state.
Have in figure: base plate 1, caulking gum rod 2, locating piece 3, glue rod connects dynamic plate 4, orienting sleeve 5, guide pillar 6, special contiguous block 7, cylinder mount pad 8, spring reset double-acting cylinder 9.
Detailed description of the invention
In order to the structure to this standard motor train unit grid type compressor protection switch, feature and effect thereof, can have and further understand and understanding, now lift a preferred embodiment, and be described with reference to the accompanying drawings as follows:
As shown in Figure 1; the hermetically-sealed construction of this standard motor train unit grid type compressor protection switch; comprise grid type base plate 1, caulking gum rod 2 and promote glue rod and connect the spring reset double-acting cylinder 9 moving plate 4; described caulking gum rod 2 be provided with glue rod between spring reset double-acting cylinder 9 and be connected and move plate 4 and cylinder mount pad 8. as shown in Figure 1; the quantity of described guide pillar 6 is 4; be located at cylinder surrounding respectively; guide pillar 6 connects grid type base plate 1, glue rod connects dynamic plate 4 and cylinder mount pad 8, and wherein guide pillar 6 is provided with orienting sleeve 5 with glue rod adapter plate 4 contact surface.Described special contiguous block 7 can be connected between dynamic plate 4 with glue rod by 360 degree of described cylinder mount pads 8 that are arranged on rotated.
Further, described standard motor train unit grid type compressor protection switch adopts spring reset double-acting cylinder.When external pressure fluctuations is normal; need to open protective valve in time; spring reset double-acting cylinder can ensure when fluctuation of pressure is normal, cylinder interior spring need can not relied on voluntarily to make protective valve be in open mode by external force, ensure that enough new wind enters in compartment.If can not open, protective valve can cause that the oxygen in compartment is fewer and feweri, gas concentration lwevel raises, and affects the comfort level of passenger.
Further; described standard motor train unit grid type compressor protection switch adopts special (purpose) rubber rod; when pressing down when protective valve is closed, the grid type hermetically-sealed construction of special glue rod composition greatly reduces the resistance run into when compressor protection switch is closed, and improves the service life of protective valve.
Further; described standard motor train unit grid type compressor protection switch glue rod connects dynamic plate (4) two ends and is provided with the fixing special (purpose) rubber rod (2) of locating piece (3); ensure that the straightness accuracy of rubber bar, reduce the straightness error caused by installation error.
The foregoing is only the preferred embodiments of this standard motor train unit grid type compressor protection switch; not limit this standard motor train unit grid type scope with this; all persons that is familiar with technique; use principle and the technical characteristic of this standard motor train unit grid type compressor protection switch; the various change made and decoration, all should be covered by within protection category that these claims define.
The structure of grid type pressure wave protective valve comprises grid type base plate, plate, special contiguous block, spring reset double-acting cylinder, cylinder block, guide pillar and orienting sleeve etc. are moved in caulking gum rod, the excellent connection of glue; described grid type base plate air intake bar seam sealing surface and glue rod angle of contact are determined through repetition test; both ensured bar seam and the abundant press seal of rubber bar, when can guarantee that protective valve is opened again, rubber bar and bar can not produce bite phenomenon between stitching.
Ethylene Propylene Terpolymer high-strength abrasion-proof rubber is covered through high temperature vulcanized shaping outside the built-in special-purpose metal rod of caulking gum rod of described uniqueness, the intensity of existing metal bar and rigidity, have again elasticity and the toughness of rubber, Ethylene Propylene Terpolymer high-strength abrasion-proof rubber adopt proprietary formula substantially increase rubber compression after frequency of exposure and the life-span.
Described glue rod connects dynamic plate two ends and adds registration device, makes glue rod be in the positioning states of sight alignment, serves good adjustment effect to the straightness accuracy deviation formed because of Mismachining tolerance.
Described special contiguous block adds cylinder rod is connected dynamic plate area of contact with glue rod, and the impact pressure that impact load when effectively reducing cylinder operation brings, adds the anti-fatigue ability that glue rod connects dynamic plate, extend service life.
Described employing spring reset double-acting cylinder had both simplified the structure of pressure wave protective valve; the flexibility that simultaneously also can realize pressure wave protective valve is closed; reduce the noise that valve cuts out, and open protective valve in time to ensure the air quality in compartment when external pressure fluctuations is normal by spring force.
Claims (6)
1. a standard motor train unit grid type pressure wave protective valve, it is characterized in that, base plate (1) is provided with 4 guide pillars (6), cylinder mount pad (8) is provided with on the top of guide pillar (6), be provided with at the middle part of guide pillar (6) and dynamic plate (4) can be connected along the glue rod of guide pillar (6) axially lower slider, connect below dynamic plate (4) at glue rod and be provided with caulking gum rod (2), connect above dynamic plate (4) at glue rod and be provided with special contiguous block (7), being connected with the cylinder push-rod of spring reset double-acting cylinder (9) above of special contiguous block (7), spring reset double-acting cylinder (9) is fixed on cylinder mount pad (8).
2. standard motor train unit grid type pressure wave protective valve according to claim 1, is characterized in that: the connection of described glue rod is dynamic is provided with orienting sleeve (5) between plate (4) and guide pillar (6) contact surface.
3. standard motor train unit grid type pressure wave protective valve according to claim 1, is characterized in that: described connection is moved between plate (4) both sides and caulking gum rod (2) and is provided with locating piece (3).
4. standard motor train unit grid type pressure wave protective valve according to claim 1, is characterized in that caulking gum rod (2) adopts outside metal inside and covers Ethylene Propylene Terpolymer high-strength abrasion-proof rubber.
5. standard motor train unit grid type pressure wave protective valve according to claim 1, is characterized in that: described guide pillar (6) is for cylindrical.
6. standard motor train unit grid type pressure wave protective valve according to claim 1, is characterized in that: the quantity of described caulking gum rod (2) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190522.7A CN104787068A (en) | 2015-04-21 | 2015-04-21 | Standard motor-train-unit grid-type pressure wave protective valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190522.7A CN104787068A (en) | 2015-04-21 | 2015-04-21 | Standard motor-train-unit grid-type pressure wave protective valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104787068A true CN104787068A (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190522.7A Pending CN104787068A (en) | 2015-04-21 | 2015-04-21 | Standard motor-train-unit grid-type pressure wave protective valve |
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| CN (1) | CN104787068A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501969A (en) * | 2018-05-10 | 2018-09-07 | 江苏必得科技股份有限公司 | The useless arranging device of car for rail vehicle |
| CN108657206A (en) * | 2018-05-10 | 2018-10-16 | 江苏必得科技股份有限公司 | For useless arranging device outside the vehicle of rail vehicle |
| CN109318918A (en) * | 2017-12-27 | 2019-02-12 | 中车长春轨道客车股份有限公司 | Track train and its unit air conditioner group complete set of equipments |
| WO2019127202A1 (en) * | 2017-12-27 | 2019-07-04 | 中车长春轨道客车股份有限公司 | Rail train and unitary air conditioning unit complete equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6131845A (en) * | 1984-07-24 | 1986-02-14 | Matsushita Refrig Co | Airflow direction deflecting device for air-conditioning machine |
| JP2004098942A (en) * | 2002-09-11 | 2004-04-02 | Denso Corp | Air passage switching device |
| CN202448996U (en) * | 2011-12-30 | 2012-09-26 | 青岛四方庞巴迪铁路运输设备有限公司 | Pneumatic pressure protection device of ventilating system |
| CN103978984A (en) * | 2014-05-28 | 2014-08-13 | 金鑫美莱克空调系统（无锡）有限公司 | Rail transit vehicle air conditioner buffer pressure wave protection device |
-
2015
- 2015-04-21 CN CN201510190522.7A patent/CN104787068A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6131845A (en) * | 1984-07-24 | 1986-02-14 | Matsushita Refrig Co | Airflow direction deflecting device for air-conditioning machine |
| JP2004098942A (en) * | 2002-09-11 | 2004-04-02 | Denso Corp | Air passage switching device |
| CN202448996U (en) * | 2011-12-30 | 2012-09-26 | 青岛四方庞巴迪铁路运输设备有限公司 | Pneumatic pressure protection device of ventilating system |
| CN103978984A (en) * | 2014-05-28 | 2014-08-13 | 金鑫美莱克空调系统（无锡）有限公司 | Rail transit vehicle air conditioner buffer pressure wave protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318918A (en) * | 2017-12-27 | 2019-02-12 | 中车长春轨道客车股份有限公司 | Track train and its unit air conditioner group complete set of equipments |
| WO2019127202A1 (en) * | 2017-12-27 | 2019-07-04 | 中车长春轨道客车股份有限公司 | Rail train and unitary air conditioning unit complete equipment thereof |
| CN108501969A (en) * | 2018-05-10 | 2018-09-07 | 江苏必得科技股份有限公司 | The useless arranging device of car for rail vehicle |
| CN108657206A (en) * | 2018-05-10 | 2018-10-16 | 江苏必得科技股份有限公司 | For useless arranging device outside the vehicle of rail vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |