CN104712595B - Empty oil conversion pressurizer - Google Patents
Empty oil conversion pressurizer Download PDFInfo
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- CN104712595B CN104712595B CN201510116645.6A CN201510116645A CN104712595B CN 104712595 B CN104712595 B CN 104712595B CN 201510116645 A CN201510116645 A CN 201510116645A CN 104712595 B CN104712595 B CN 104712595B
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- piston
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- air bag
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention belongs to supercharging equipment technical field, relate to a kind of empty oil conversion pressurizer with manual pressure release, draw together blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder；Air bag external splint is fixing with cylinder cap to be connected, and air bag inner splint is fixing with piston seat to be connected, air-pocket splint clamping air bag；Loaded cylinder composition includes loaded cylinder, energy storage piston, energy-stored spring, and energy storage piston bush is connected on piston rod, is positioned at the left side of piston rod bar shoulder；Energy-stored spring is connected with energy storage piston and loaded cylinder respectively, piston seat is connected with piston rod, the right-hand member of piston rod, sealed briquette and hydraulic piston are connected by connecting pin, and sealed briquette is between the right-hand member and hydraulic piston of piston rod, and check valve is installed in the endoporus of hydraulic piston；Air bag tumbling motion, reduces cylinder piston frictional dissipation, improves service life；Possesses spring energy-storage function, it is possible to when calm, provide pressure output；Possess manual operation pressure relief device, manual pressure release, pressure relief.
Description
Technical field
The invention belongs to supercharging equipment technical field, specifically, relate to one under having wind state by blast cylinder supercharging, under windless condition, change pressurizer by the empty oil with manual pressure release of energy-stored spring supercharging.
Background technology
Pressurizer is a kind of device using general air pressure can reach the output of oil hydraulic cylinder high pressure.Pressurizer is to be combined as integral type with supercharger by oil hydraulic cylinder, utilizes the ratio of the pressurized area of section that varies in size of supercharger, and Pascal's energy is kept weighing apparatus principle and worked.Because pressure is constant, when compression area from large to small time, then pressure also can with the principle varied in size and change, thus reaching to improve atmospheric pressure the pressure result of decades of times.Mostly current pressurizer is to be combined into by oil cylinder, empty oil changeover bobbin and supercharger three part.
It is big to there is volume in existing pressurizer, the problem of function singleness, and track traffic Brake Products applied environment requires strict, and steric requirements is limited, and is provided simultaneously with stopping brake with hydraulic brake system and pulls the function releasing braking.According to railway operation environment demand, the present invention, on the basis of pressurizer, designs a kind of empty oil conversion pressurizer with manual pressure release.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art to exist, seek to design a kind of compact conformation, by blast cylinder supercharging under having wind state, by the empty oil conversion pressurizer with manual pressure release of energy-stored spring supercharging under windless condition.
To achieve these goals, the technical solution used in the present invention is: a kind of empty oil conversion pressurizer, including blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder；
Described blast cylinder composition includes air bag external splint, air bag inner splint, air-pocket reset spring and air bag, and air bag external splint is fixing with cylinder cap to be connected, and air bag inner splint is fixing with piston seat to be connected, and air bag external splint and air bag inner splint clamp outer end and the inner of air bag respectively；Described air-pocket reset spring one end is connected with energy storage piston, and the other end is connected with spring base, and described spring socket sleeve is connected on piston rod and between the back-up ring and energy storage piston of piston rod left end；
Described loaded cylinder composition includes loaded cylinder, energy storage piston, energy-stored spring, and described energy storage piston bush is connected on piston rod, is positioned at the left side of piston rod bar shoulder；Described energy-stored spring one end is connected with energy storage piston, and the other end is fixed on loaded cylinder inwall；
Preferably, it is provided with sealing ring between described energy storage piston and loaded cylinder；
Preferably, it is provided with energy storage piston bushing between described energy storage piston and piston rod；
Preferably, it is provided with sealing ring between described energy storage piston bushing and piston rod；
Described piston composition includes piston seat, piston rod, sealed briquette, hydraulic piston and check valve, described piston seat is connected by cam with piston rod, the right-hand member of described piston rod, sealed briquette and hydraulic piston are connected by connecting pin, and sealed briquette is between the right-hand member and hydraulic piston of piston rod；Described check valve is installed in the endoporus of hydraulic piston；
Preferably, described connecting pin is fixed on hydraulic piston by baffle ring；
Being provided with piston rod guiding between described piston rod and oil hydraulic cylinder cylinder body, piston rod guiding, hydraulic piston and oil hydraulic cylinder cylinder body collectively constitute oil pocket, and oil pocket is connected by oil duct with fuel tank；
Preferably, it is provided with drainage screen in described oil duct；
Preferably, it is provided with sealing ring between described piston rod guiding and piston rod；
Preferably, it is provided with sealing ring between described hydraulic piston and check valve, between hydraulic piston and oil hydraulic cylinder cylinder body, is provided with sealing ring；
Described pressure relief device includes fuel tank and is positioned at the pressure discharge lever of fuel tank, tank bottoms is provided with the gas pressure relief slot connected with oil hydraulic cylinder, relief valve spring it is provided with bottom gas pressure relief slot, relief valve spring top is connected with relief valve, relief valve is fixed in gas pressure relief slot by the pressure release nut with through hole, fits with pressure release nut in relief valve top, and pressure release rod one end is connected with relief valve by through hole, the pressure release rod other end is connected with the free end of pressure discharge lever, and the force side of pressure discharge lever is connected with pressure release pull bar；
Preferably, it is provided with sealing ring between described pressure release nut and gas pressure relief slot；
Described cylinder cap, loaded cylinder and oil hydraulic cylinder cylinder body composition pressurizer housing.
Preferably, described piston rod is provided with amplitude dish, and amplitude dish contacts with stroke display bar, and stroke display bar is connected through guide pin bushing with stroke counter；Stroke back-moving spring one end is connected with guide pin bushing, and the other end is connected with stroke display bar.
Blast cylinder supercharging work process is: loaded cylinder is in and fills wind relieved state, aweather cylinder pressure fills wind, piston seat is at air pressure move under influence, by piston rod, this motion and power are delivered to hydraulic piston, now sealed briquette compressing check valve, oil hydraulic cylinder is closed by check valve, and hydraulic piston power is ultimately converted to hydraulic pressure output.
Blast cylinder alleviates work process: pneumatic cylinder aerofluxus, and piston seat, piston rod and hydraulic piston reset to alleviation position, the now one-way valve opens in hydraulic piston under the effect of air-pocket reset spring, the hydraulic pressure unloading in oil hydraulic cylinder.
Loaded cylinder supercharging work process is: the blast unloading in loaded cylinder, and energy storage piston, under energy-stored spring effect, moves right, and spring force transfers force to hydraulic piston by energy storage piston and piston rod, sets up the output of effective hydraulic pressure in oil hydraulic cylinder.
Loaded cylinder alleviates work process: after loaded cylinder is filled with certain blast, energy-stored spring compressed energy-storage, and air-pocket reset spring promotes piston rod movement simultaneously so that hydraulic piston resets.
Pressure relief device operation principle: when loaded cylinder makes hydraulic piston be under oil pressure state, when not having wind regime to make loaded cylinder fill wind alleviation, manually pull pressure release pull bar, pressure release rod is pressed by the free end of pressure discharge lever, pressure release rod promotes relief valve, making relief valve be in open mode, the hydraulic oil in oil hydraulic cylinder returns to fuel tank, pressure relief state.
The invention have the benefit that
Blast cylinder consists of bellows chamber structure, and rubber pneumatic bag two ends are fixed, and in course of action, air bag is tumbling motion in inside, reduces common cylinder piston frictional dissipation, improves service life.
Possess spring energy-storage function, be used in special operation condition, it is possible to the pressure providing certain when calm exports.
Possess manual operation pressure relief device, under certain fault mode or special operation condition, and can not effectively control under wind regime state, manual pressure release, effectively hydraulic coupling is released.
Possess stroke indicating device, directly observed the movement position of internal piston by stroke indicating device.
Mechanism is compact, blast cylinder, oil hydraulic cylinder, fuel tank, loaded cylinder is effectively concentrated in together, more compact structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the stroke indicating device structural representation of the present invention；
Fig. 3 is the blast cylinder inflated condition structural representation of the present invention；
As Figure 1-3: piston rod guiding 1, oil pocket 2, baffle ring 3, sealed briquette 4, check valve 5, hydraulic piston 6, oil hydraulic cylinder cylinder body 7, oil hydraulic cylinder 8, drainage screen 9, relief valve spring 10, relief valve 11, pressure release nut 12, pressure release rod 13, pressure discharge lever 14, pressure release pull bar 15, amplitude dish 16, bar shoulder 17, energy storage piston 18, energy storage piston bushing 19, loaded cylinder 20, air bag 21, energy-stored spring 22, cylinder cap 23, air bag external splint 24, air bag inner splint 25, spring base 26, back-up ring 27, piston seat 28, piston rod 29, air-pocket reset spring 30, stroke display bar contact 31, guide pin bushing 32, stroke back-moving spring 33.
Detailed description of the invention
Below by specific embodiment, in conjunction with accompanying drawing, the invention will be further described:
Embodiment 1
The empty oil conversion pressurizer of the present embodiment, including blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder 8；
Blast cylinder composition includes air bag external splint 24, air bag inner splint 25, air-pocket reset spring 30 and air bag 21, air bag external splint 24 is fixing with cylinder cap 23 to be connected, air bag inner splint 25 is fixing with piston seat 28 to be connected, and air bag external splint 24 and air bag inner splint 25 clamp outer end and the inner of air bag 21 respectively；One end of air-pocket reset spring 30 is connected with energy storage piston 18, and the other end is connected with spring base 26, and described spring base 26 is socketed on piston rod 29 and between the back-up ring 27 and energy storage piston 18 of piston rod 29 left end；
Loaded cylinder composition includes loaded cylinder 20, energy storage piston 18, energy-stored spring 22, and described energy storage piston 18 is socketed on piston rod 29, is positioned at the left side of piston rod bar shoulder 17；One end of described energy-stored spring 22 is connected with energy storage piston 18, and the other end is fixed on the inwall of loaded cylinder 20；
Piston composition includes piston seat 28, piston rod 29, sealed briquette 4, hydraulic piston 6 and check valve 5, piston seat 28 is connected by cam with piston rod 29, the right-hand member of piston rod 29, sealed briquette 4 and hydraulic piston 6 are connected by connecting pin, and sealed briquette 4 is between the right-hand member and hydraulic piston 6 of piston rod 29；Check valve 5 is installed in the endoporus of hydraulic piston 6；
Connecting pin is fixed on hydraulic piston 6 by baffle ring 3；
Being provided with piston rod guiding 1 between piston rod 29 and oil hydraulic cylinder cylinder body 7, piston rod guiding 1, hydraulic piston 6 collectively constitute oil pocket 2 with oil hydraulic cylinder cylinder body 7, and oil pocket 2 is connected by oil duct with fuel tank；
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form pressurizer housing.
Embodiment 2
The empty oil conversion pressurizer of the present embodiment, including blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder 8；
Blast cylinder composition includes air bag external splint 24, air bag inner splint 25, air-pocket reset spring 30 and air bag 21, air bag external splint 24 is fixing with cylinder cap 23 to be connected, air bag inner splint 25 is fixing with piston seat 28 to be connected, and air bag external splint 24 and air bag inner splint 25 clamp outer end and the inner of air bag 21 respectively；One end of air-pocket reset spring 30 is connected with energy storage piston 18, and the other end is connected with spring base 26, and described spring base 26 is socketed on piston rod 29 and between the back-up ring 27 and energy storage piston 18 of piston rod 29 left end；
Loaded cylinder composition includes loaded cylinder 20, energy storage piston 18, energy-stored spring 22, and described energy storage piston 18 is socketed on piston rod 29, is positioned at the left side of piston rod bar shoulder 17；One end of described energy-stored spring 22 is connected with energy storage piston 18, and the other end is fixed on the inwall of loaded cylinder 20；
It is provided with sealing ring between energy storage piston 18 and loaded cylinder 20；Energy storage piston bushing 19 it is provided with between energy storage piston 18 and piston rod 29；It is provided with sealing ring between energy storage piston bushing 19 and piston rod 29；
Piston composition includes piston seat 28, piston rod 29, sealed briquette 4, hydraulic piston 6 and check valve 5, piston seat 28 is connected by cam with piston rod 29, the right-hand member of piston rod 29, sealed briquette 4 and hydraulic piston 6 are connected by connecting pin, and sealed briquette 4 is between the right-hand member and hydraulic piston 6 of piston rod 29；Check valve 5 is installed in the endoporus of hydraulic piston 6；
Connecting pin is fixed on hydraulic piston 6 by baffle ring 3；
Being provided with piston rod guiding 1 between piston rod 29 and oil hydraulic cylinder cylinder body 7, piston rod guiding 1, hydraulic piston 6 collectively constitute oil pocket 2 with oil hydraulic cylinder cylinder body 7, and oil pocket 2 is connected by oil duct with fuel tank；
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form pressurizer housing.
Drainage screen 9 it is provided with in oil duct；It is provided with sealing ring between piston rod guiding 1 and piston rod 29；It is provided with sealing ring between hydraulic piston 6 and check valve 5, between hydraulic piston 6 and oil hydraulic cylinder cylinder body 7, is provided with sealing ring；
Pressure relief device includes fuel tank and is positioned at the pressure discharge lever 14 of fuel tank, tank bottoms is provided with the gas pressure relief slot connected with oil hydraulic cylinder 8, relief valve spring 10 it is provided with bottom gas pressure relief slot, the top of relief valve spring 10 is connected with relief valve 11, relief valve 11 is fixed in gas pressure relief slot by the pressure release nut 12 with through hole, relief valve 11 top and pressure release nut 12 are fitted, pressure release rod 13 one end are connected with relief valve 11 by through hole, pressure release rod 13 other ends are connected with the free end of pressure discharge lever 14, and the force side of pressure discharge lever 14 is connected with pressure release pull bar 15；It is provided with sealing ring between pressure release nut 12 and gas pressure relief slot；
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form pressurizer housing.
Embodiment 3
The empty oil conversion pressurizer of the present embodiment, divided by the outer the other the same as in Example 2 of lower difference:
Piston rod 29 is provided with amplitude dish 16, and amplitude dish 16 contacts 31 with stroke display bar, and stroke display bar 31 is connected through guide pin bushing 32 with stroke counter；Stroke back-moving spring 33 one end is connected with guide pin bushing 32, and the other end is connected with stroke display bar 31.
Blast cylinder supercharging work process is: loaded cylinder 20 is in and fills wind relieved state, aweather cylinder pressure fills wind, piston seat 28 is at air pressure move under influence, by piston rod 29, this motion and power are delivered to hydraulic piston 6, now sealed briquette 4 oppresses check valve 5, oil hydraulic cylinder 8 is closed by check valve 5, and the power of hydraulic piston 6 is ultimately converted to hydraulic pressure output.
Blast cylinder alleviates work process: pneumatic cylinder aerofluxus, and piston seat 28, piston rod 29 and hydraulic piston 6 reset to alleviation position under the effect of air-pocket reset spring 30, and now the check valve 5 in hydraulic piston 6 is opened, the hydraulic pressure unloading in oil hydraulic cylinder 8.
Loaded cylinder supercharging work process is: the blast unloading in loaded cylinder 20, energy storage piston 18 is under energy-stored spring 22 acts on, moving right, spring force transfers force to hydraulic piston 6 by energy storage piston 18 and piston rod 29, sets up the output of effective hydraulic pressure in oil hydraulic cylinder 8.
Loaded cylinder alleviates work process: after loaded cylinder 20 is filled with certain blast, energy-stored spring 22 compressed energy-storage, and air-pocket reset spring 30 promotes piston rod 29 to move simultaneously so that hydraulic piston 6 resets.
Pressure relief device operation principle: when loaded cylinder 20 makes hydraulic piston 6 be under oil pressure state, when not having wind regime to make loaded cylinder 20 fill wind alleviation, manually pull pressure release pull bar 15, pressure release rod 13 is pressed by the free end of pressure discharge lever 15, pressure release rod 13 promotes relief valve 11, making relief valve 11 be in open mode, the hydraulic oil in oil hydraulic cylinder 8 returns to fuel tank, pressure relief state.
Claims (6)
1. an empty oil conversion pressurizer, including blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder (8)；It is characterized in that:
Described blast cylinder composition includes air bag external splint (24), air bag inner splint (25), air-pocket reset spring (30) and air bag (21), air bag external splint (24) is fixing with cylinder cap (23) to be connected, air bag inner splint (25) is fixing with piston seat (28) to be connected, and air bag external splint (24) and air bag inner splint (25) clamp outer end and the inner of air bag (21) respectively；One end of described air-pocket reset spring (30) is connected with energy storage piston (18), the other end is connected with spring base (26), and described spring base (26) is socketed on piston rod (29) and is positioned between the back-up ring (27) of energy storage piston (18) and piston rod (29) left end；
Described loaded cylinder composition includes loaded cylinder (20), energy storage piston (18), energy-stored spring (22), described energy storage piston (18) is socketed on piston rod (29), is positioned at the left side of piston rod bar shoulder (17)；One end of described energy-stored spring (22) is connected with energy storage piston (18), and the other end is fixed on the inwall of loaded cylinder (20)；
Described piston composition includes piston seat (28), piston rod (29), sealed briquette (4), hydraulic piston (6) and check valve (5), described piston seat (28) is connected by cam with piston rod (29), the right-hand member of described piston rod (29), sealed briquette (4) and hydraulic piston (6) are connected by connecting pin, and sealed briquette (4) is positioned between the right-hand member of piston rod (29) and hydraulic piston (6)；Described check valve (5) is installed in the endoporus of hydraulic piston (6)；
Piston rod guiding (1) it is provided with between described piston rod (29) and oil hydraulic cylinder cylinder body (7), piston rod guiding (1), hydraulic piston (6) and oil hydraulic cylinder cylinder body (7) collectively constitute oil pocket (2), and oil pocket (2) is connected by oil duct with fuel tank；
Described cylinder cap (23), loaded cylinder (20) and oil hydraulic cylinder cylinder body (7) composition pressurizer housing.
2. empty oil conversion pressurizer according to claim 1, it is characterized in that: described pressure relief device includes fuel tank and is positioned at the pressure discharge lever (14) of fuel tank, tank bottoms is provided with the gas pressure relief slot connected with oil hydraulic cylinder (8), relief valve spring (10) it is provided with bottom gas pressure relief slot, the top of relief valve spring (10) is connected with relief valve (11), relief valve (11) is fixed in gas pressure relief slot by the pressure release nut (12) with through hole, relief valve (11) top and pressure release nut (12) laminating, pressure release rod (13) one end is connected with relief valve (11) by through hole, pressure release rod (13) other end is connected with the free end of pressure discharge lever (14), the force side of pressure discharge lever (14) is connected with pressure release pull bar (15).
3. empty oil conversion pressurizer according to claim 1 and 2, it is characterized in that: described piston rod (29) is provided with amplitude dish (16), amplitude dish (16) contacts with stroke display bar (31), and stroke display bar (31) is connected through guide pin bushing (32) with stroke counter；Stroke back-moving spring (33) one end is connected with guide pin bushing (32), and the other end is connected with stroke display bar (31).
4. empty oil conversion pressurizer according to claim 1 and 2, it is characterised in that: it is provided with energy storage piston bushing (19) between described energy storage piston (18) and piston rod (29).
5. empty oil conversion pressurizer according to claim 1 and 2, it is characterised in that: it is provided with drainage screen (9) in described oil duct.
6. empty oil conversion pressurizer according to claim 1 and 2, it is characterized in that: be provided with sealing ring between described hydraulic piston (6) and check valve (5), between hydraulic piston (6) and oil hydraulic cylinder cylinder body (7), be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116645.6A CN104712595B (en) | 2015-03-17 | 2015-03-17 | Empty oil conversion pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116645.6A CN104712595B (en) | 2015-03-17 | 2015-03-17 | Empty oil conversion pressurizer |
Publications (2)
| Publication Number | Publication Date |
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| CN104712595A CN104712595A (en) | 2015-06-17 |
| CN104712595B true CN104712595B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510116645.6A Active CN104712595B (en) | 2015-03-17 | 2015-03-17 | Empty oil conversion pressurizer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630482B (en) * | 2018-12-14 | 2020-01-10 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Spring piston type pressure accumulator with one-way valve |
| CN114152387A (en) * | 2020-09-08 | 2022-03-08 | 北京康斯特仪表科技股份有限公司 | Dynamic friction supercharging pressure regulating method and device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2646286C3 (en) * | 1976-10-14 | 1981-10-01 | Knorr-Bremse GmbH, 8000 München | Intensifier |
| NO996559A (en) * | 1999-12-29 | 2001-02-12 | Kongsberg Automotive Asa | Pressure booster |
| CN2434188Y (en) * | 2000-04-14 | 2001-06-13 | 眉山车辆厂 | Braking cylinder pressure regulator of railway vehicle |
| DE10393780T5 (en) * | 2002-11-25 | 2005-10-27 | Hartho-Hydraulic Aps | Verstärkerbaueinheit |
| CN2633688Y (en) * | 2003-05-30 | 2004-08-18 | 王政 | Pasenger vehicle unit braker for track communication |
| CN201592214U (en) * | 2009-12-10 | 2010-09-29 | 东莞明勖机械五金有限公司 | High-speed punch slide block oil-pressure locking empty oil conversion supercharging device |
| CN201890240U (en) * | 2010-11-19 | 2011-07-06 | 四川制动科技股份有限公司 | Emergent pressurization structure for braking system of railway vehicle |
| CN202040133U (en) * | 2011-02-21 | 2011-11-16 | 平高集团有限公司 | Pressure slow increasing device |
| CN202756495U (en) * | 2012-05-31 | 2013-02-27 | 昆明中铁大型养路机械集团有限公司 | Brake cylinder, vehicle provided with brake cylinder, railway car provided with brake cylinder and railway maintenance machine provided with brake cylinder |
| CN204476888U (en) * | 2015-03-17 | 2015-07-15 | 青岛思锐科技有限公司 | Empty oily convertor turbocharge device |
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2015
- 2015-03-17 CN CN201510116645.6A patent/CN104712595B/en active Active
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Effective date of registration: 20190510 Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Co-patentee after: Qingdao Sirui Technology Co., Ltd. Patentee after: CRRC QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. Address before: 266400 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee before: Qingdao Sirui Technology Co., Ltd. |