CN106286430A - A kind of piston accumulator - Google Patents
A kind of piston accumulator Download PDFInfo
- Publication number
- CN106286430A CN106286430A CN201610900922.7A CN201610900922A CN106286430A CN 106286430 A CN106286430 A CN 106286430A CN 201610900922 A CN201610900922 A CN 201610900922A CN 106286430 A CN106286430 A CN 106286430A
- Authority
- CN
- China
- Prior art keywords
- piston
- end cap
- hydraulic cylinder
- accumulator
- cylinder
- Prior art date
- 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.)
- Granted
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
-
- 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
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
-
- 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
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
A kind of piston accumulator, including hydraulic cylinder and pneumatic cylinder, second guiding end cap of the first guiding gentle cylinder pressure of end cap of described hydraulic cylinder is tightly connected by connecting seat, making described first guide end cap, the second guiding end cap and connect formation one sealing space between seat, the first piston bar of described hydraulic cylinder and the second piston rod of pneumatic cylinder are coaxially connected in described sealing space.Inventive piston formula accumulator sap cavity separates with the cavity of air cavity, pressure transmission is carried out by first piston bar and the second piston rod point cantact, piston accumulator can be solved at all alter the phenomenon of oil, gas blowby, so that accumulator reliable operation, extend its service life, anufacturability is strengthened, and manufacture difficulty reduces.
Description
Technical field
The present invention relates to accumulator, particularly relate to piston accumulator.
Background technology
In age during 20th century 30, hydraulic technique is fast-developing, and at short notice, and hydraulic test is exclusive excellent with it
Gesture is run neck and neck even instead of these equipment, therefore for accumulation of energy with electrical equipment, plant equipment rapidly in a lot of fields
The research of device is also constantly subjected to pay attention to.Accumulator is a kind of energy accumulating device in hydraulic system, plays in hydraulic system
The most crucial effect, it is ensured that system is properly functioning, improve its dynamic quality, keep job stability, extend working life, fall
Low noise, energy-conservation etc. plays an important role.
Summary of the invention
The present invention solves the deficiencies in the prior art and provides a kind of manufacture difficulty to reduce, and reliable operation can extend piston
In the life-span of formula accumulator, prevent from altering the piston accumulator of the phenomenon of oil, gas blowby.
A kind of piston accumulator, including hydraulic cylinder and pneumatic cylinder, the first guiding gentle cylinder pressure of end cap of described hydraulic cylinder
Second guiding end cap by connect seat be tightly connected so that described first guide end cap, second guide end cap and connect seat it
Between formed one sealing space, the first piston bar of described hydraulic cylinder and the second piston rod of pneumatic cylinder in described sealing space with
Axle connects.
Described hydraulic cylinder includes that hydraulic cylinder, first piston, first piston bar and first guide end cap, described pneumatic cylinder bag
Including air pressure cylinder body, the second piston, the second piston rod and second and guide end cap, described first guides shape between end cap and first piston
Becoming the first breathing air cavity, second guides formation the second breathing air cavity, the first guide end of hydraulic cylinder between end cap and the second piston
Covering and be provided with outage, the second guide end lid of described pneumatic cylinder is provided with steam vent, described outage and steam vent by pipe
Road will breathe air cavity with first respectively and the second breathing air cavity connects with gas-liquid holding vessel.
Described gas-liquid holding vessel is the gas-liquid holding vessel of band pre-compressed air cleaner.
The end that connects of described first piston bar and the second piston rod is the concave-convex curved surface being mutually matched, and two described connections
End realizes pressure transmission by point cantact.
Owing to using said structure, the hydraulic cylinder of the present invention and pneumatic cylinder fit together by connecting seat so that hydraulic pressure
It is spaced one between cylinder and pneumatic cylinder and seals space, and the first piston bar in hydraulic cylinder and the second piston rod in pneumatic cylinder exist
This contacts in sealing space, thus prevents from altering oil, gas blowby, and further, the present invention is additionally provided with gas-liquid holding vessel, by pipe
Second breathing air cavity of the first breathing gentle cylinder pressure of air cavity of hydraulic cylinder is connected by road with gas-liquid holding vessel, thus the oil that will reveal
Gas-liquid enters gas-liquid holding vessel, fundamentally prevents the phenomenon altering oil, gas blowby.
In sum: the piston accumulator involved by patent of the present invention, anufacturability is strengthened, and manufacture difficulty drops
Low, reliable operation, the life-span of piston accumulator can be extended, can fundamentally solve piston accumulator and alter oil, gas blowby
Phenomenon.
Accompanying drawing explanation
Fig. 1 is piston accumulator structural representation.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in further detail with being embodied as case.
As it is shown in figure 1, piston accumulator is fitted together plus band precompressed by connecting seat by hydraulic cylinder and pneumatic cylinder
The gas-liquid holding vessel 9 of formula air filter forms；Described hydraulic cylinder by hydraulic cylinder 1, first piston 3, first piston bar 5 and
First guides end cap 7 forms；Described pneumatic cylinder is guided end cap by air pressure cylinder body the 2, second piston the 4, second piston rod 6 and second
8 compositions.When the first piston bar 5 in hydraulic cylinder stretches out, carry out pressure actuation by point cantact, promote second in pneumatic cylinder
Gas in piston rod 6 compressed gas cylinder pressure air cavity；When the second piston rod 6 in pneumatic cylinder stretches out, pressed by point cantact
Power transmission, promotes the liquid in the first piston bar compression hydraulic cylinder sap cavity in hydraulic cylinder.
The first described guiding end cap 7 and the second guiding end cap 6 are used to correcting first piston bar 5 and the second piston rod 6
, also it is used to sealed hydraulic cylinder body 1 and pneumatic cylinder body 2；First guides formation first between end cap 7 and first piston 3 exhales
Suction muffler 11, second guides formation the second breathing air cavity 12 between end cap 8 and the second piston 4.First piston 3 in hydraulic cylinder exists
The when of oil-filled, by the first correcting guiding end cap 7, promote first piston bar 5 to guide first and slide on end cap 7；Air pressure
The second piston 4 in cylinder is inflation when, by the second correcting guiding end cap 8, promotes the second piston rod 6 to guide second
Slide on end cap 8.
On the first described guiding end cap 7, an outage is set；On the second described guiding end cap 8, a steam vent is set,
Linked together by the gas-liquid holding vessel 9 of flexible pipe with the band clear device of prepressing type air respectively；The described band clear device of prepressing type air
Gas-liquid holding vessel 9 on an outage is set, outage is installed a blowoff valve.When the first piston bar 5 in hydraulic cylinder stretches out,
The volume of the first respiratory gas intracavity reduces, and the fluid of the first respiratory gas intracavity can be passed through the outage on the first guide end lid,
In flexible pipe is discharged to the gas-liquid holding vessel of the band clear device of prepressing type air, can periodically the gas-liquid of the band clear device of prepressing type air be stored up
Deposit the blowoff valve on tank to open and drain the oil；When the second piston rod in pneumatic cylinder stretches out, the volume of the second respiratory gas intracavity reduces, meeting
By the fluid of the second respiratory gas intracavity by the steam vent on the second guide end lid, it is discharged to the band clear device of prepressing type air through flexible pipe
Gas-liquid holding vessel in, no matter environment is the most also not plugged up.
The position that described first piston bar 5 and the second piston rod 6 connect is curved surface, first piston bar 5 and the second piston
Bar 6 is by being that point cantact carries out pressure transmission, in work process, and less demanding to coaxial precision.
Gas-liquid holding vessel 9 with pre-compressed air cleaner is used to store gas and the liquid that air cavity and sap cavity leak
Body, provides for hydraulic cylinder and pneumatic cylinder body simultaneously and breathes air and space, the gas-liquid holding vessel of band pre-compressed air cleaner
It is to adapt to adverse circumstances.
As it is shown in figure 1, when accumulator is after using for a long time, and abrasion occurs in the sealing on first piston 3, when quickly
During oil charging-discharging, have a small amount of fluid and take to the first breathing air cavity 11 from sap cavity, if the fluid revealed is too much, can be from first
The outage guiding end cap 7 is discharged in the gas-liquid holding vessel 9 of band pre-compressed air cleaner by flexible pipe, owing to sap cavity 13 is gentle
Chamber 14 is to separate, and is thus not result in that the fluid revealed leaks in air cavity.
In like manner, there is abrasion in the sealing on the second piston 6, and the gas in air cavity 14 can be leaked to the second breathing air cavity 12
In, if the gas revealed is too much, the steam vent at end cap 8 can be guided from second and be discharged to band prepressing type air-filtering by flexible pipe
In the gas-liquid holding vessel 9 of device, owing to sap cavity 13 and air cavity 14 are to separate, thus it is not result in that the gas revealed leaks into sap cavity
In.
The foregoing is only the preferred embodiments of the present invention, and limit the present invention never in any form, for ability
For the technical staff in territory, the present invention can have various change and modification.All within the spirit and principles in the present invention, made
Any change, equivalent, modification, improvement etc., should be included within the scope of the present invention.Therefore, the guarantor of the present invention
The scope of protecting should be as the criterion with the protection domain of claims.
Claims (4)
1. a piston accumulator, including hydraulic cylinder and pneumatic cylinder, it is characterised in that: the first guiding end cap of described hydraulic cylinder
(7) be tightly connected by connecting seat (10) with the second guiding end cap (8) of pneumatic cylinder so that described first guide end cap (7), the
Two guide end cap (8) and connect formation one sealing space, the first piston bar (5) of described hydraulic cylinder and pneumatic cylinder between seat (10)
The second piston rod (6) coaxially connected in described sealing space.
Piston accumulator the most according to claim 1, it is characterised in that: described hydraulic cylinder include hydraulic cylinder (1),
One piston (3), first piston bar (5) and first guide end cap (7), and described pneumatic cylinder includes air pressure cylinder body (2), the second piston
(4), the second piston rod (6) and second guide end cap (8), described first guides formation the between end cap (7) and first piston (3)
One breathes air cavity (11), and second guides formation the second breathing air cavity (12) between end cap (8) and the second piston (4), hydraulic cylinder
First guides end cap (7) is provided with outage, and the second guiding end cap (8) of described pneumatic cylinder is provided with steam vent, described oil extraction
Hole and steam vent will be breathed air cavity (11) and second with first respectively by pipeline and breathe air cavity (12) with gas-liquid holding vessel (9) even
Logical.
Piston accumulator the most according to claim 2, it is characterised in that: described gas-liquid holding vessel is band prepressing type air
The gas-liquid holding vessel of cleaner.
4. according to the piston accumulator one of claims 1 to 3 Suo Shu, it is characterised in that: described first piston bar (5) and
The end that connects of two piston rods (6) is the concave-convex curved surface being mutually matched, and two described connection ends realize pressure by point cantact and pass
Pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900922.7A CN106286430B (en) | 2016-10-17 | 2016-10-17 | A kind of piston accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900922.7A CN106286430B (en) | 2016-10-17 | 2016-10-17 | A kind of piston accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286430A true CN106286430A (en) | 2017-01-04 |
| CN106286430B CN106286430B (en) | 2018-02-02 |
Family
ID=57718730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610900922.7A Active CN106286430B (en) | 2016-10-17 | 2016-10-17 | A kind of piston accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286430B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145502A (en) * | 2019-05-07 | 2019-08-20 | 西北工业大学 | A kind of lesser combined piston accumulator of pressure oscillation |
| CN112648243A (en) * | 2019-10-10 | 2021-04-13 | 湖北优软商用车悬架有限公司 | Double-acting energy accumulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121403A (en) * | 1994-10-19 | 1996-05-14 | Nok Corp | Piston type accumulator |
| EP1225345A1 (en) * | 2001-01-19 | 2002-07-24 | Hoerbiger Hydraulik GmbH | Fluid actuated cylinder with gas spring |
| CN202579374U (en) * | 2012-04-24 | 2012-12-05 | 杭州沃发科技有限公司 | Two-way supercharging device |
| CN104060643A (en) * | 2014-03-06 | 2014-09-24 | 任化一 | Hydraulic energy storage and conservation device of excavating machine |
| CN206129734U (en) * | 2016-10-17 | 2017-04-26 | 山河智能装备股份有限公司 | Piston type energy accumulator |
-
2016
- 2016-10-17 CN CN201610900922.7A patent/CN106286430B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121403A (en) * | 1994-10-19 | 1996-05-14 | Nok Corp | Piston type accumulator |
| EP1225345A1 (en) * | 2001-01-19 | 2002-07-24 | Hoerbiger Hydraulik GmbH | Fluid actuated cylinder with gas spring |
| CN202579374U (en) * | 2012-04-24 | 2012-12-05 | 杭州沃发科技有限公司 | Two-way supercharging device |
| CN104060643A (en) * | 2014-03-06 | 2014-09-24 | 任化一 | Hydraulic energy storage and conservation device of excavating machine |
| CN206129734U (en) * | 2016-10-17 | 2017-04-26 | 山河智能装备股份有限公司 | Piston type energy accumulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145502A (en) * | 2019-05-07 | 2019-08-20 | 西北工业大学 | A kind of lesser combined piston accumulator of pressure oscillation |
| CN112648243A (en) * | 2019-10-10 | 2021-04-13 | 湖北优软商用车悬架有限公司 | Double-acting energy accumulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286430B (en) | 2018-02-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220831 Address after: 410100 Shanhe intelligent industrial city, 1335 liangtang East Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: SHANHE INTELLIGENT SPECIAL EQUIPMENT CO.,LTD. Patentee after: Sunward Intelligent Equipment Co.,Ltd. Address before: 410100 Shanhe intelligent industrial park, No. 16, Lixiang Middle Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: Sunward Intelligent Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |