CN104712595A - Empty oil conversion supercharging device - Google Patents
Empty oil conversion supercharging device Download PDFInfo
- Publication number
- CN104712595A CN104712595A CN201510116645.6A CN201510116645A CN104712595A CN 104712595 A CN104712595 A CN 104712595A CN 201510116645 A CN201510116645 A CN 201510116645A CN 104712595 A CN104712595 A CN 104712595A
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- China
- Prior art keywords
- piston
- energy storage
- cylinder
- piston rod
- hydraulic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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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
- 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
Abstract
The invention belongs to the technical field of supercharging equipment, and particularly relates to an empty oil conversion supercharging device with manual pressure relief. The empty oil conversion supercharging device comprises an air pressure cylinder assembly, an energy storage cylinder assembly, a piston assembly, a pressure relief device and an oil hydraulic cylinder. An outer air bag clamping plate is fixedly connected with a cylinder cover. An inner air bag clamping plate is fixedly connected with a piston base, and the air bag clamping plates clamp air bags. The energy storage cylinder assembly comprises an energy storage cylinder, an energy storage piston and energy storage springs. The energy storage piston is connected to a piston rod in a sleeving mode and located on the left side of a piston rod shoulder. The energy storage springs are connected with the energy storage piston and the energy storage cylinder respectively. The piston base is connected with the piston rod. The right end of the piston rod, a sealing pressing block and a hydraulic piston are connected through connection pins. The sealing pressing block is located between the right end of the piston rod and the hydraulic piston. A one-way valve is arranged in an inner hole of the hydraulic piston. The air bags roll, the friction loss of the air cylinder piston is lowered, and the service life is prolonged. The spring energy storage functions are achieved, and pressure output can be provided under the windless state. The manual pressure relief device is arranged, manual pressure relief is achieved, and pressure is relieved.
Description
Technical field
The invention belongs to supercharging equipment technical field, specifically, relating to one is having by the supercharging of blast cylinder under wind state, by the sky oil convertor turbocharge device of the manual pressure release of band of energy storage spring supercharging under windless condition.
Background technique
Supercharging device is a kind of device using general air pressure can reach the output of oil hydraulic cylinder high pressure.Supercharging device is combined as integral type with pressurized machine by oil hydraulic cylinder, utilizes the ratio of the pressurized section area that varies in size of pressurized machine, and Pascal's energy is kept weighing apparatus principle and works.Because pressure is constant, when compression area from large to small time, then pressure also with to vary in size and the principle that changes, thus can reach pressure result atmospheric pressure being improved decades of times.Mostly current supercharging device is to be combined into by oil cylinder, empty oily changeover bobbin and pressurized machine three part.
It is large to there is volume in existing supercharging device, the problem of function singleness, and track traffic Brake Products applied environment requires strict, and spatial condition is limited, and possesses stopping brake with hydraulic brake system simultaneously and pull the function of brake off.According to railway operation environment demand, the present invention, on the basis of supercharging device, designs a kind of sky oil convertor turbocharge device with manual pressure release.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art existence, seek to design a kind of compact structure, having by the supercharging of blast cylinder under wind state, by the sky oil convertor turbocharge device of the manual pressure release of band of energy storage spring supercharging under windless condition.
To achieve these goals, the technical solution used in the present invention is: a kind of empty oily convertor turbocharge device, comprises blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder;
Described blast cylinder composition comprises air bag external splint, air bag inner splint, air-pocket reset spring and air bag, air bag external splint is fixedly connected with cylinder cap, air bag inner splint is fixedly connected with piston seat, 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 seat, and described spring socket sleeve to be connected on piston rod and between the back-up ring and energy storage piston of piston rod left end;
Described loaded cylinder composition comprises loaded cylinder, energy storage piston, energy storage spring, and described energy storage piston sleeve is connected on piston rod, is positioned at the left side of piston rod bar shoulder; Described energy storage spring one end is connected with energy storage piston, and the other end is fixed on loaded cylinder inwall;
Preferably, seal ring is provided with between described energy storage piston and loaded cylinder;
Preferably, energy storage piston bushing is provided with between described energy storage piston and piston rod;
Preferably, seal ring is provided with between described energy storage piston bushing and piston rod;
Described piston composition comprises piston seat, piston rod, sealed briquette, hydraulic piston and one-way valve, described piston seat is connected by cam with piston rod, right-hand member, the sealed briquette of described piston rod are connected by connecting pin with hydraulic piston, and sealed briquette is between the right-hand member and hydraulic piston of piston rod; Described one-way valve is installed in the endoporus of hydraulic piston;
Preferably, described connecting pin is fixed on hydraulic piston by baffle ring;
Be provided with piston rod between described piston rod and oil hydraulic cylinder cylinder body to lead, piston rod guiding, hydraulic piston and oil hydraulic cylinder cylinder body form oil pocket jointly, and oil pocket is communicated with by oil duct with fuel tank;
Preferably, filter screen is provided with in described oil duct;
Preferably, seal ring is provided with between described piston rod guiding and piston rod;
Preferably, between described hydraulic piston and one-way valve, be provided with seal ring, between hydraulic piston and oil hydraulic cylinder cylinder body, be provided with seal ring;
Described pressure relief device comprises fuel tank and is positioned at the pressure discharge lever of fuel tank, tank bottoms is provided with the gas pressure relief slot be communicated with oil hydraulic cylinder, Decompression valves spring is provided with bottom gas pressure relief slot, Decompression valves spring top is connected with Decompression valves, Decompression valves is fixed in gas pressure relief slot by the pressure release nut with through hole, and Decompression valves top and pressure release nut are fitted, and pressure release rod one end is connected with Decompression valves by through hole, the pressure release rod the 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, seal ring is provided with between described pressure release nut and gas pressure relief slot;
Described cylinder cap, loaded cylinder and oil hydraulic cylinder cylinder body composition supercharging device housing.
Preferably, described piston rod is provided with amplitude dish, and amplitude dish contacts with stroke display bar, and stroke display bar is connected with stroke counter through guide pin bushing; Stroke Returnning spring one end is connected with guide pin bushing, and the other end is connected with stroke display bar.
Blast cylinder supercharging working procedure 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 one-way valve, oil hydraulic cylinder is closed by one-way valve, and hydraulic piston power is finally converted to hydraulic pressure and exports.
Blast cylinder alleviates working procedure: pneumatic cylinder is vented, and piston seat, piston rod and hydraulic piston reset under the effect of air-pocket reset spring alleviates position, the one-way valve opens now in hydraulic piston, the hydraulic pressure unloading in oil hydraulic cylinder.
Loaded cylinder supercharging working procedure is: the blast unloading in loaded cylinder, and energy storage piston, under energy storage spring effect, moves right, and power is delivered to hydraulic piston by energy storage piston and piston rod by spring force, sets up effective hydraulic pressure and export in oil hydraulic cylinder.
Loaded cylinder alleviates working procedure: after loaded cylinder is filled with certain blast, energy storage spring compressed energy-storage, and air-pocket reset spring promotes piston rod movement simultaneously, and hydraulic piston is resetted.
Pressure relief device working principle: under loaded cylinder makes hydraulic piston be in 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 Decompression valves, make Decompression valves be in open mode, fuel tank got back to by the hydraulic oil in oil hydraulic cylinder, pressure relief state.
Beneficial effect of the present invention is:
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 loss, improves working life.
Possess spring energy-storage function, be used in special operation condition, certain Output pressure can be provided under calm state.
Possess manual operation pressure relief device, under certain fault mode or special operation condition, and under can not effectively controlling wind regime state, manual pressure release, effectively removes hydraulic coupling.
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 structural representation of the present invention;
Fig. 2 is stroke indicating device structural representation of the present invention;
Fig. 3 is 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, one-way valve 5, hydraulic piston 6, oil hydraulic cylinder cylinder body 7, oil hydraulic cylinder 8, filter screen 9, Decompression valves spring 10, Decompression valves 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 storage spring 22, cylinder cap 23, air bag external splint 24, air bag inner splint 25, spring seat 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 Returnning spring 33.
Embodiment
Below by specific embodiment, the invention will be further described by reference to the accompanying drawings:
Embodiment 1
The sky oil convertor turbocharge device of the present embodiment, comprises blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder 8;
Blast cylinder composition comprises 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 fixedly connected with cylinder cap 23, air bag inner splint 25 is fixedly connected with piston seat 28, 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 seat 26, and described spring seat 26 to be 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 comprises loaded cylinder 20, energy storage piston 18, energy storage 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 storage spring 22 is connected with energy storage piston 18, and the other end is fixed on the inwall of loaded cylinder 20;
Piston composition comprises piston seat 28, piston rod 29, sealed briquette 4, hydraulic piston 6 and one-way valve 5, piston seat 28 is connected by cam with piston rod 29, right-hand member, the sealed briquette 4 of piston rod 29 are connected by connecting pin with hydraulic piston 6, and sealed briquette 4 is between the right-hand member and hydraulic piston 6 of piston rod 29; One-way valve 5 is installed in the endoporus of hydraulic piston 6;
Connecting pin is fixed on hydraulic piston 6 by baffle ring 3;
Be provided with piston rod between piston rod 29 and oil hydraulic cylinder cylinder body 7 and lead 1, piston rod guiding 1, hydraulic piston 6 form oil pocket 2 jointly with oil hydraulic cylinder cylinder body 7, and oil pocket 2 is communicated with by oil duct with fuel tank;
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form supercharging device housing.
Embodiment 2
The sky oil convertor turbocharge device of the present embodiment, comprises blast cylinder composition, loaded cylinder composition, piston composition, pressure relief device and oil hydraulic cylinder 8;
Blast cylinder composition comprises 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 fixedly connected with cylinder cap 23, air bag inner splint 25 is fixedly connected with piston seat 28, 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 seat 26, and described spring seat 26 to be 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 comprises loaded cylinder 20, energy storage piston 18, energy storage 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 storage spring 22 is connected with energy storage piston 18, and the other end is fixed on the inwall of loaded cylinder 20;
Seal ring is provided with between energy storage piston 18 and loaded cylinder 20; Energy storage piston bushing 19 is provided with between energy storage piston 18 and piston rod 29; Seal ring is provided with between energy storage piston bushing 19 and piston rod 29;
Piston composition comprises piston seat 28, piston rod 29, sealed briquette 4, hydraulic piston 6 and one-way valve 5, piston seat 28 is connected by cam with piston rod 29, right-hand member, the sealed briquette 4 of piston rod 29 are connected by connecting pin with hydraulic piston 6, and sealed briquette 4 is between the right-hand member and hydraulic piston 6 of piston rod 29; One-way valve 5 is installed in the endoporus of hydraulic piston 6;
Connecting pin is fixed on hydraulic piston 6 by baffle ring 3;
Be provided with piston rod between piston rod 29 and oil hydraulic cylinder cylinder body 7 and lead 1, piston rod guiding 1, hydraulic piston 6 form oil pocket 2 jointly with oil hydraulic cylinder cylinder body 7, and oil pocket 2 is communicated with by oil duct with fuel tank;
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form supercharging device housing.
Filter screen 9 is provided with in oil duct; Seal ring is provided with between piston rod guiding 1 and piston rod 29; Be provided with seal ring between hydraulic piston 6 and one-way valve 5, between hydraulic piston 6 and oil hydraulic cylinder cylinder body 7, be provided with seal ring;
Pressure relief device comprises fuel tank and is positioned at the pressure discharge lever 14 of fuel tank, tank bottoms is provided with the gas pressure relief slot be communicated with oil hydraulic cylinder 8, Decompression valves spring 10 is provided with bottom gas pressure relief slot, the top of Decompression valves spring 10 is connected with Decompression valves 11, Decompression valves 11 is fixed in gas pressure relief slot by the pressure release nut 12 with through hole, Decompression valves 11 top and pressure release nut 12 are fitted, pressure release rod 13 one end are connected with Decompression valves 11 by through hole, pressure release rod 13 the 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; Seal ring is provided with between pressure release nut 12 and gas pressure relief slot;
Cylinder cap 23, loaded cylinder 20 and oil hydraulic cylinder cylinder body 7 form supercharging device housing.
Embodiment 3
The sky oil convertor turbocharge device 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 with stroke counter through guide pin bushing 32; Stroke Returnning 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 working procedure 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 one-way valve 5, oil hydraulic cylinder 8 is closed by one-way valve 5, and the power of hydraulic piston 6 is finally converted to hydraulic pressure and exports.
Blast cylinder alleviates working procedure: pneumatic cylinder is vented, and piston seat 28, piston rod 29 and hydraulic piston 6 reset under the effect of air-pocket reset spring 30 alleviates position, and the one-way valve 5 now in hydraulic piston 6 is opened, the hydraulic pressure unloading in oil hydraulic cylinder 8.
Loaded cylinder supercharging working procedure is: the blast unloading in loaded cylinder 20, energy storage piston 18 is under energy storage spring 22 acts on, move right, power is delivered to hydraulic piston 6 by energy storage piston 18 and piston rod 29 by spring force, sets up effective hydraulic pressure and export in oil hydraulic cylinder 8.
Loaded cylinder alleviates working procedure: after loaded cylinder 20 is filled with certain blast, energy storage spring 22 compressed energy-storage, and simultaneously air-pocket reset spring 30 promotes piston rod 29 and moves, and hydraulic piston 6 is resetted.
Pressure relief device working principle: under loaded cylinder 20 makes hydraulic piston 6 be in 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 Decompression valves 11, make Decompression valves 11 be in open mode, fuel tank got back to by the hydraulic oil in oil hydraulic cylinder 8, pressure relief state.
Claims (6)
1. the oily convertor turbocharge device of sky, comprises 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 comprises 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 fixedly connected with cylinder cap (23), air bag inner splint (25) is fixedly connected with piston seat (28), 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 seat (26), and described spring seat (26) is socketed on piston rod (29) and goes up and be positioned between the back-up ring (27) of piston rod (29) left end and energy storage piston (18);
Described loaded cylinder composition comprises loaded cylinder (20), energy storage piston (18), energy storage 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 storage 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 comprises piston seat (28), piston rod (29), sealed briquette (4), hydraulic piston (6) and one-way valve (5), described piston seat (28) is connected by cam with piston rod (29), right-hand member, the sealed briquette (4) of described piston rod (29) are connected by connecting pin with hydraulic piston (6), and sealed briquette (4) is positioned between the right-hand member of piston rod (29) and hydraulic piston (6); Described one-way valve (5) is installed in the endoporus of hydraulic piston (6);
Be provided with piston rod between described piston rod (29) and oil hydraulic cylinder cylinder body (7) and lead (1), piston rod guiding (1), hydraulic piston (6) and oil hydraulic cylinder cylinder body (7) form oil pocket (2) jointly, and oil pocket (2) is communicated with by oil duct with fuel tank;
Described cylinder cap (23), loaded cylinder (20) and oil hydraulic cylinder cylinder body (7) composition supercharging device housing.
2. the oily convertor turbocharge device of sky according to claim 1, it is characterized in that: described pressure relief device comprises fuel tank and is positioned at the pressure discharge lever (14) of fuel tank, tank bottoms is provided with the gas pressure relief slot be communicated with oil hydraulic cylinder (8), Decompression valves spring (10) is provided with bottom gas pressure relief slot, the top of Decompression valves spring (10) is connected with Decompression valves (11), Decompression valves (11) is fixed in gas pressure relief slot by the pressure release nut (12) with through hole, Decompression valves (11) top and pressure release nut (12) are fitted, pressure release rod (13) one end is connected with Decompression valves (11) by through hole, pressure release rod (13) the 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. the oily convertor turbocharge device of sky 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 (31) with stroke display bar, and stroke display bar (31) is connected with stroke counter through guide pin bushing (32); Stroke Returnning spring (33) one end is connected with guide pin bushing (32), and the other end is connected with stroke display bar (31).
4. the oily convertor turbocharge device of sky according to claim 1 and 2, is characterized in that: be provided with energy storage piston bushing (19) between described energy storage piston (18) and piston rod (29).
5. the oily convertor turbocharge device of sky according to claim 1 and 2, is characterized in that: be provided with filter screen (9) in described oil duct.
6. the oily convertor turbocharge device of sky according to claim 1 and 2, it is characterized in that: between described hydraulic piston (6) and one-way valve (5), be provided with seal ring, between hydraulic piston (6) and oil hydraulic cylinder cylinder body (7), be provided with seal 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 |
|---|---|
| CN104712595A true CN104712595A (en) | 2015-06-17 |
| CN104712595B CN104712595B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510116645.6A Active CN104712595B (en) | 2015-03-17 | 2015-03-17 | Empty oil conversion pressurizer |
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| Country | Link |
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| CN (1) | CN104712595B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630482A (en) * | 2018-12-14 | 2019-04-16 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of accumulator of the spring piston type with check valve |
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| US6679056B2 (en) * | 1999-12-29 | 2004-01-20 | Kongsberg Automotive Asa | Pressure booster |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2646286A1 (en) * | 1976-10-14 | 1978-04-20 | Knorr Bremse Gmbh | PRESSURE TRANSLATOR |
| US6679056B2 (en) * | 1999-12-29 | 2004-01-20 | 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 |
| WO2004048786A1 (en) * | 2002-11-25 | 2004-06-10 | Hartho-Hydraulic Aps | Amplifier assembly |
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| CN202040133U (en) * | 2011-02-21 | 2011-11-16 | 平高集团有限公司 | Pressure slow increasing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630482A (en) * | 2018-12-14 | 2019-04-16 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of accumulator of the spring piston type with check valve |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104712595B (en) | 2016-07-06 |
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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. |