CN200995689Y - Air-spring drainer for train - Google Patents
Air-spring drainer for train Download PDFInfo
- Publication number
- CN200995689Y CN200995689Y CN 200620051430 CN200620051430U CN200995689Y CN 200995689 Y CN200995689 Y CN 200995689Y CN 200620051430 CN200620051430 CN 200620051430 CN 200620051430 U CN200620051430 U CN 200620051430U CN 200995689 Y CN200995689 Y CN 200995689Y
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- China
- Prior art keywords
- freeing arrangement
- air bellow
- air
- valve
- freeing
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Abstract
A railway vehicle air spring drainage device includes an upper cover plate (1), an airbag (2) and a rubber stack (3), which is characterized in that: the rubber stack (3) of the air spring is provided with a mechanical drainage device (4) at the bottom; one end of the drainage device (4) is communicated with the airbag (2) in the rubber stack and the other end with the atmospheric pressure outside; and the drainage device (4) is in closed state in normal time.
Description
Technical field
The utility model belongs to a kind of air bellow freeing arrangement, refer in particular to a kind of freeing arrangement of used for rail vehicle air bellow, be mainly used in when the aqueous vapor in the air bellow compressed air and meeting the condensation knot when forming ponding, discharge ponding in the spring safely, quickly and easily, guarantee that air bellow keeps good running condition.
Background technology
Air spring system is mainly used in damping, it is dry to fall, and has good damping effect, and owing to be combination by air and rubber, so it is particularly evident to fall dry effect.At present, along with people improve constantly the requirement of railway traffic, safe, comfortable, the quick important symbol that has become modern railway transportation.For satisfy railway vehicle fast, the requirement of safety, traveling comfort, the bogie truck secondary suspension overwhelming majority adopts air spring systems.But because China is vast in territory, north and south, the thing temperature difference are bigger, air humidity is also made a world of difference, aqueous vapor in the air bellow compressed air is being met the formation ponding that condenses easily under the cold situation, cause the air bellow internal volume to tail off, spring stiffness increases, and the Vehicle damper effect reduces, the traveling comfort variation.Also do not solve problem at this situation design corresponding device thereof specially both at home and abroad at present.
Summary of the invention
The purpose of this utility model is: meeting the formation ponding that condenses easily under the cold situation, provide a kind of novel track vehicle air spring with freeing arrangement at the aqueous vapor in the existing used for rail vehicle air bellow compressed air.
Technology implementation scheme of the present utility model is: a kind of air bellow, comprise upper cover plate, air bag and rubber metal pad, its characteristics are: the rubber metal pad bottom at air bellow is provided with mechanical freeing arrangement, one of freeing arrangement communicates with air bag in the rubber metal pad, the other end communicates with external atmosphere pressure, freeing arrangement is a closed state at ordinary times, passes through draining manually when the needs draining.Therefore consider in the air bellow it is to have compressed-air actuatedly in the course of the work,, should be provided with check valve or other similar structures in the drainage pipeline for safety, discharge ponding in the spring quickly and easily.Consider the restriction of installing space, this device adopts valve inside and tire tube valve structure commonly used.Freeing arrangement can be valve inside and tire tube valve structure, but also can be other closed air valve structure.Consider that air bellow in use has impurity such as dust, iron rust, in order to prevent to stop up drainage pipeline, freeing arrangement is equipped with copper wire or stainless steel wire filtering net; The order number of filtering net is 60～120 order/inches.Consider that filtering net is thin bad fixing, the counterbore of packing ring and filtering net is installed in freeing arrangement.Tire tube valve, wedge nut outside thread place carry out locking with polytetrafluoroethylene unsintered tape or fastening glue during assembling.Air bellow is a kind of spring of realizing elastic reaction by the spring compressed air, and pressing in air bellow when work commonly used is 0.3～0.5MPa, so the air-tightness performance is that it is the most basic, also is one of most important performance.In order to guarantee the air-tightness requirement, the freeing arrangement of air bellow should reach the following aspects condition:
1) the design sealing load after the assembling of tire tube valve and valve inside is not less than 1.0MPa;
2) hole for injecting glue (seeing scheme drawing index wire 4) of anti-leak has been designed at valve tube middle part on base plate, and the aperture is Φ 8～20mm;
Tire tube valve, wedge seat nut outside thread place seal with the polytetrafluoroethylene unsintered tape when 3) assembling.
The utility model is owing to be provided with mechanical freeing arrangement in the rubber metal pad bottom of air bellow, can when needing draining, pass through air bellow draining manually, the phenomenon that can effectively avoid air bellow to cause the air bellow internal volume to tail off owing to ponding, thus spring stiffness and Vehicle damper effect guaranteed.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the local enlarged diagram of freeing arrangement.
Among the figure: 1, upper cover plate; 2, air bag; 3, rubber metal pad; 4, freeing arrangement; 7, dust cap; 8, valve inside; 9, tire tube valve; 10, copper wire or stainless steel wire filter screen; 11, packing ring; 12, wedge nut
The specific embodiment
Accompanying drawing has provided an embodiment of the present utility model, and the utility model will be further described below in conjunction with embodiment.
From accompanying drawing as can be seen the utility model be a used for rail vehicle air bellow, comprise upper cover plate 1, air bag 2 and rubber metal pad 3, its characteristics are: rubber metal pad 3 bottoms at air bellow are provided with mechanical freeing arrangement 4,4 one of freeing arrangements communicate with air bag 2 in the rubber metal pad, the other end communicates with external atmosphere pressure, freeing arrangement 4 is a closed state at ordinary times, passes through draining manually when the needs draining.Therefore consider in the air bellow it is to have compressed-air actuatedly in the course of the work,, in the drainage pipeline of freeing arrangement 4, be provided with check valve or other similar structures for safety, discharge ponding in the spring quickly and easily.Consider the restriction of installing space, this device adopts valve inside and tire tube valve structure commonly used, is mainly combined by dust cap 7, valve inside 8 and tire tube valve 9.Freeing arrangement 4 can be valve inside and tire tube valve structure, but also can be other closed air valve structure.Consider that air bellow in use has impurity such as dust, iron rust, in order to prevent to stop up drainage pipeline, is equipped with copper wire or stainless steel wire filtering net 10 in the freeing arrangement 4; The order number of filtering net is 60～120 order/inches.Consider that filtering net is thin bad fixing, the counterbore of packing ring 11 and filtering net is installed in freeing arrangement 4.Tire tube valve 9, wedge nut 12 outside thread places carry out locking with polytetrafluoroethylene unsintered tape or fastening glue during assembling.Air bellow is a kind of spring of realizing elastic reaction by the spring compressed air, and pressing in air bellow when work commonly used is 0.3～0.5MPa, so the air-tightness performance is that it is the most basic, also is one of most important performance.In order to guarantee the air-tightness requirement, the freeing arrangement 4 of air bellow satisfies the following aspects condition:
1) the design sealing load after the assembling of tire tube valve and valve inside is not less than 1.0MPa;
2) hole for injecting glue (seeing scheme drawing index wire 4) of anti-leak has been designed at valve tube middle part on base plate, and the aperture is Φ 8～20mm;
Tire tube valve, wedge seat nut outside thread place seal with the polytetrafluoroethylene unsintered tape when 3) assembling.
Making of the present utility model and principle of work are as follows:
1) earlier with tire tube valve body and wedge weld together, then it is welded with base plate.
2) when assembling twines copper wire or stainless steel wire filter screen and is pressed in the counterbore of putting into the wedge nut on the packing ring, is screwed into the wedge nut, packing washer after being wrapped in wedge nut outside thread place with the polytetrafluoroethylene unsintered tape.
3) valve inside is screwed in the tire tube valve, is wrapped in tire tube valve outside thread place with the polytetrafluoroethylene unsintered tape, after dust cap is tightened.
4) during draining, only need dust cap is turned on, with the special-purpose wrench of valve inside the valve inside thimble is backed down, the interior ponding of air bellow will be discharged.
Claims (8)
1, railway vehicle air bellow air bellow freeing arrangement, comprise upper cover plate (1), air bag (2) and rubber metal pad (3), it is characterized in that: rubber metal pad (3) bottom at air bellow is provided with by mechanical freeing arrangement (4), (4) one of freeing arrangements communicate with air bag (2) in the rubber metal pad, the other end communicates with external atmosphere pressure, and freeing arrangement (4) is a closed state at ordinary times.
2, air bellow freeing arrangement as claimed in claim 1 is characterized in that: be provided with check valve in the drainage pipeline of freeing arrangement (4).
3, air bellow freeing arrangement as claimed in claim 1 is characterized in that: freeing arrangement (4) is closed air valve structure.
4, air bellow freeing arrangement as claimed in claim 2 is characterized in that: freeing arrangement (4) is valve inside and tire tube valve structure, is mainly combined by dust cap (7), valve inside (8) and tire tube valve (9).
5, air bellow freeing arrangement as claimed in claim 1 is characterized in that: copper wire or stainless steel wire filtering net (10) are installed in the freeing arrangement (4); The order number of filtering net is 60～120 order/inches.
6, air bellow freeing arrangement as claimed in claim 1 is characterized in that: the counterbore that packing ring (11) and filtering net are installed in freeing arrangement (4).
7, air bellow freeing arrangement as claimed in claim 4 is characterized in that: tire tube valve (9), wedge nut (12) outside thread place are useful on locking polytetrafluoroethylene unsintered tape or fastening glue.
8, air bellow freeing arrangement as claimed in claim 1 is characterized in that: the tire tube valve of the freeing arrangement of air bellow (4) and the sealing load of valve inside are not less than 1.0MPa; There is the hole for injecting glue of anti-leak at the valve tube middle part on base plate; The aperture is Φ 8～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620051430 CN200995689Y (en) | 2006-06-23 | 2006-06-23 | Air-spring drainer for train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620051430 CN200995689Y (en) | 2006-06-23 | 2006-06-23 | Air-spring drainer for train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200995689Y true CN200995689Y (en) | 2007-12-26 |
Family
ID=38994117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620051430 Expired - Lifetime CN200995689Y (en) | 2006-06-23 | 2006-06-23 | Air-spring drainer for train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200995689Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929522A (en) * | 2009-06-18 | 2010-12-29 | 东洋橡胶工业株式会社 | Suspension device for rolling stock |
| CN101344133B (en) * | 2008-08-25 | 2012-07-25 | 株洲时代新材料科技股份有限公司 | Sub-mouth sealing mode and device of air spring |
| CN104696412A (en) * | 2015-03-24 | 2015-06-10 | 株洲时代新材料科技股份有限公司 | Marine airbag vibration isolator |
-
2006
- 2006-06-23 CN CN 200620051430 patent/CN200995689Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344133B (en) * | 2008-08-25 | 2012-07-25 | 株洲时代新材料科技股份有限公司 | Sub-mouth sealing mode and device of air spring |
| CN101929522A (en) * | 2009-06-18 | 2010-12-29 | 东洋橡胶工业株式会社 | Suspension device for rolling stock |
| CN104696412A (en) * | 2015-03-24 | 2015-06-10 | 株洲时代新材料科技股份有限公司 | Marine airbag vibration isolator |
| CN104696412B (en) * | 2015-03-24 | 2017-05-31 | 株洲时代新材料科技股份有限公司 | Warship air bag vibration isolator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071226 |
|
| EXPY | Termination of patent right or utility model |