CN107725497B - Type voltage regulation large capacity accumulator - Google Patents
Type voltage regulation large capacity accumulator Download PDFInfo
- Publication number
- CN107725497B CN107725497B CN201610662377.2A CN201610662377A CN107725497B CN 107725497 B CN107725497 B CN 107725497B CN 201610662377 A CN201610662377 A CN 201610662377A CN 107725497 B CN107725497 B CN 107725497B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- limiting tube
- oil circuit
- energy storage
- ring
- 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.)
- Active
Links
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses a kind of type voltage regulation large capacity accumulator, including pedestal, cylinder body, the upper end cover with making-up air device, the limit assembly with limitation fuel head function, with the check valve assembly of oil circuit, spill valve and pressure gauge between cracking pressure table and energy storage chamber；Pedestal upper surface, inboard wall of cylinder block face and the upper end cover lower surface constitutes energy storage chamber；The intracavitary top of the energy storage is gas, lower part is hydraulic oil；The limit assembly is arranged on the intracavitary pedestal of energy storage.The configuration of the present invention is simple can efficiently use space, reduce accumulator cylinder diameter, simplify tradition accumulator structure form.Compared with original accumulator of identical capacity, the present invention can reduce the 1/4 of volume, to save manufacturing cost, improve reliability of structure.The present invention is not required to specific hydraulic fluid during the work time, therefore not will cause the waste of hydraulic oil, has saved operating cost.The present invention reduces the workloads of later maintenance.
Description
Technical field
The present invention relates to the stable-pressure device of hydraulic system, especially a kind of large capacity accumulator.
Background technique
In recent years, the industrialization system using hydraulic system as power drive system is more and more common, and with science
The rapid development of technology, to high-pressure hydraulic even ultrahigh-pressure hydraulic in industrial production, engineering machinery and military field
The needs of system are more more and more urgent.
Accumulator plays critically important accumulation of energy in hydraulic system and makees as hydraulic pressure auxiliary element important in hydraulic system
With.In hydraulic system, accumulator plays stocking system pressure oil liquid, releases use for system when needed, to reach
To balanced hydraulic system, energy-efficient purpose.Another important function of accumulator is exactly to absorb hydraulic system working normally
When the compression shock that generates and pressure fluctuation.In addition, accumulator is in protection hydraulic system normal operation, reduction vibration and noise etc.
Aspect plays an important role.
High speed and high precision machine tool can satisfy existing parts machining requirement substantially, but the stabilization of hydraulic circuit
Requirement of the characteristic to frock clamp is very high, major embodiment in the following areas: how to be guaranteed using accumulator components plus
Working medium amount；How power storage is hydraulic as meeting an urgent need；How absorption system pulsation, ballast system；How absorption system is impacted, is protected
Protect circuit；How thermal expansion abatement leakage compensation is passed through；How to reduce accumulator size, reduce design space.
In order to meet the stability characteristic (quality) requirement of hydraulic circuit, energy storage equipment is generallyd use.Currently used energy storage equipment is:
Diaphragm accumulator, bag type accumulator, plunger type accumulator, piston accumulator and spring accumul ator.Above-mentioned accumulator
Although can satisfy the requirement of accumulation of energy, but still have the following problems:
1, since the structure of conventional accumulator is more complicated, especially when frock clamp space is smaller, and accumulator is needed
The size to be done is very big, causes entire fixture, Design of Pump Station very big, therefore manufacturing cost is especially high, and reliability is lower.
2, in accumulator manufacturing process, because inner space is smaller, therefore when resulting in the need for large capacity accumulator, accumulator
Ontology production is larger, and many manufacturing costs is caused to waste.
3, accumulator section components meeting aging in use causes to hold such as the leather bag meeting aging of bag type accumulator
Easily there is a phenomenon where splitting cruelly, safety accident is generated.
Summary of the invention
To solve the above problems existing in the prior art, the present invention to design it is a kind of can it is energy saving, reduce environmental pollution,
And the effective type voltage regulation large capacity accumulator for saving production cost.
To achieve the goals above, technical scheme is as follows: type voltage regulation large capacity accumulator, including pedestal, cylinder
Body, the upper end cover with making-up air device and the limit assembly with limitation fuel head function；It installs the lower end of the cylinder body
On the base, upper end cover is arranged in the upper end；Pedestal upper surface, inboard wall of cylinder block face and the upper end cover lower surface constitutes energy storage
Deposit chamber；The intracavitary top of the energy storage is gas, lower part is hydraulic oil；The limit assembly is arranged in energy storage
On intracavitary pedestal.
Further, four-way oil circuit is set in the pedestal, first to fourth branch's oil circuit of four-way oil circuit is respectively communicated with
Energy storage chamber, check valve assembly, spill valve and pressure gauge；The check valve assembly is used for cracking pressure table and energy
Oil circuit between storage chamber；The four-way oil circuit is " Ш " shape oil circuit；Left side vertical oil circuit is first branch's oil circuit, is connected to energy
Measure storage chamber；Center vertical oil circuit is second branch's oil circuit, is connected to spill valve；Right vertical oil circuit is third branch oil
Road is connected to pressure gauge；Horizontal oil circuit is the 4th branch's oil circuit, is connected to check valve assembly；The pressure gauge setting is stored up in energy
It deposits on the pedestal outside chamber, passes through the intracavitary pressure of pressure gauge reading real-time monitoring energy storage；The spill valve setting
In pedestal between cylinder body and pressure gauge.
Further, the limit assembly includes gag lever post, bead, outer position-limiting tube and interior position-limiting tube, the outer limit
Position-limiting tube in the upper end setting gag lever post of position pipe, its underpart nesting, the gag lever post lower end surface, outer position-limiting tube inner wall and interior
It floats in cavity between position-limiting tube upper surface and places bead；The outer position-limiting tube lower end is fixed on the base, interior position-limiting tube
Lower end is mounted in pedestal；The centre bore of interior position-limiting tube is connected through the through-hole in pedestal with the oil circuit of hydraulic system；Described is outer
Position-limiting tube periphery is evenly distributed with radial hole；The interior position-limiting tube upper end face is that indent semicircle is spherical, radius and small radius of a ball phase
Deng；The radial hole is through-hole；The bead is manufactured using the material that density is less than hydraulic oil density.
Further, the interior position-limiting tube lower end is connected through a screw thread pedestal, between interior position-limiting tube and pedestal in setting
Position-limiting tube O-ring；Outer position-limiting tube lower end is connected through a screw thread pedestal, and outer position-limiting tube O-ring is arranged between outer position-limiting tube and pedestal；
Outer position-limiting tube upper end is connected through a screw thread gag lever post；The cylinder body is connected through a screw thread upper end cover, inboard wall of cylinder block and upper end cover
Side is sealed by upper end cover O-ring；Making-up air device is arranged in the center of upper end cover, and the top of making-up air device is plug, lower part is set
There is valve inside；The cylinder body is connected through a screw thread pedestal, is sealed between cylinder body and pedestal by O-ring A.
Further, the check valve assembly include return spring A, nonreturn valve core, inner end cap, inner end cap O-ring and
Check valve opens pin, and the return spring A right end jacking has a nonreturn valve core, on the right side of nonreturn valve core containing sealed nylon ring with it is interior
End cap is flexibly connected and includes self-styled angle, there is inner end cap O-ring between pedestal and inner end cap；The check valve is opened pin and is passed through
It is threadably mounted on pedestal, check valve, which is opened, installs check valve O-ring between pin and pedestal；The check valve opens the small of pin
Head end passes through inner end cap and contacts with nonreturn valve core.
Further, the radial hole on the outer position-limiting tube periphery is both circumferentially uniformly distributed or along axial uniformly distributed.
Further, filter screen and O-ring B are set in the through-hole in the pedestal.
Further, the spill valve includes overflow spool, return spring B and overflow valve end cap, and described returns
Position spring B lower end is provided with overflow spool, and overflow spool lower end contains sealed nylon ring and connect with base runner and include self-styled
Angle, the upper end return spring B are provided with overflow valve end cap, and the overflow valve end cap is by being threadably mounted on pedestal.
Further, the plug is end face seal plug.
Compared with prior art, the invention has the following advantages:
1, structure of the invention is simple, will constitute cavity by upper end cover, cylinder body and pedestal and integrally be used as energy storage chamber, and have
Effect utilizes space, reduces accumulator cylinder diameter, simplifies tradition accumulator structure form, especially smaller in frock clamp space
When, compared with original accumulator of identical capacity, the present invention can reduce the 1/4 of volume, to save manufacturing cost, improve
Reliability of structure makes tremendous contribution for the energy conservation in industry 4.0.
2, the present invention is not required to specific hydraulic fluid during the work time, therefore not will cause the waste of hydraulic oil, has saved fortune
Row cost.
3, each component of the invention is not vulnerable part, and not having single component in use process, to be easy to appear aging existing
As reducing the workload of later maintenance.
4, the compact advantage of structure of the invention is particularly suitable for vert hydraulic system and the pressure switch of steel mill's converter
It is applied in combination, in the occasion of this discontinuous operation, can be used as supplementary energy, realize the miniaturization of hydraulic pump and the energy can be saved.
5, in the hydraulic circuit of the hydraulic system of die casting machine, high-altitude concrete conveyer, due to hydraulic valve sudden stoppage
And load drastic change, which occurs, can generate very big moment impact pressure and then destroy pipeline, jointing or other Hydraulic Elements, and
Generate violent vibration and noise；Foregoing problems can be solved using the present invention.
6, impact can be effectively mitigated using the present invention, protects hydraulic device；Automobile, elevator, jenny etc. is absorbed to drive
Dynamic and suspension mechanical oscillation, keep the stationarity of vehicle.
Detailed description of the invention
The present invention only has attached drawing 1 and opens, in which:
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, upper end cover, 2, cylinder body, 3, pedestal, 4, plug, 5, valve inside, 6, gag lever post, 7, bead, 8, outer limit
Pipe, 9, interior position-limiting tube, 10, pressure gauge, 11, O-ring A, 12, return spring A, 13, nonreturn valve core, 14, inner end cap, 15, unidirectional
Valve O-ring, 16, check valve open pin, 17, O-ring B, 18, filter screen, 19, interior position-limiting tube O-ring, 20, outer position-limiting tube it is O-shaped
Circle, 21, inner end cap O-ring, 22, upper end cover O-ring, 23, overflow spool, 24, return spring B, 25, overflow valve end cap.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.As shown in Figure 1, type voltage regulation large capacity accumulator, packet
Include pedestal 3, cylinder body 2, the upper end cover 1 with making-up air device and with limitation fuel head function limit assembly described in cylinder body
2 lower end is mounted on pedestal 3, upper end cover 1 is arranged in the upper end；3 upper surface of pedestal, 2 inner wall of cylinder body and the upper end cover 1
Lower surface constitutes energy storage chamber；The intracavitary top of the energy storage is gas, lower part is hydraulic oil；The limit group
Part is arranged on the intracavitary pedestal 3 of energy storage.
Further, four-way oil circuit is set in the pedestal 3, first to fourth branch's oil circuit of four-way oil circuit is respectively communicated with
Energy storage chamber, check valve assembly, spill valve and pressure gauge 10.The check valve assembly for cracking pressure table 10 with
Oil circuit between energy storage chamber.The four-way oil circuit is " Ш " shape oil circuit；Left side vertical oil circuit is first branch's oil circuit, even
Logical energy storage chamber；Center vertical oil circuit is second branch's oil circuit, is connected to spill valve；Right vertical oil circuit is third branch
Oil circuit is connected to pressure gauge 10；Horizontal oil circuit is the 4th branch's oil circuit, is connected to check valve assembly；The setting of pressure gauge 10 exists
On pedestal 3 outside energy storage chamber, the intracavitary pressure of real-time monitoring energy storage is read by pressure gauge 10；The overflow valve
Component is arranged in the pedestal 3 between cylinder body 2 and pressure gauge 10.
Further, the limit assembly includes gag lever post 6, bead 7, outer position-limiting tube 8 and interior position-limiting tube 9, described
Position-limiting tube 9 in the upper end setting gag lever post 6 of outer position-limiting tube 8, its underpart are nested, 6 lower end surface of gag lever post, outer position-limiting tube 8
It floats in cavity between 9 upper surface of inner wall and interior position-limiting tube and places bead 7；8 lower end of outer position-limiting tube is fixed on base
On seat 3, interior 9 lower end of position-limiting tube is mounted in pedestal 3；The centre bore of interior position-limiting tube 9 is through the through-hole and hydraulic system in pedestal 3
Oil circuit is connected；8 periphery of outer position-limiting tube is evenly distributed with radial hole；9 upper end face of interior position-limiting tube is that indent semicircle is spherical,
Its radius is equal with 7 radius of bead；The radial hole is through-hole；The bead 7 is less than hydraulic oil density using density
Material manufacture.
Further, 9 lower end of interior position-limiting tube is connected through a screw thread pedestal 3, sets between interior position-limiting tube 9 and pedestal 3
Set interior position-limiting tube O-ring 19；Outer 8 lower end of position-limiting tube is connected through a screw thread pedestal 3, and outer limit is arranged between outer position-limiting tube 8 and pedestal 3
Position pipe O-ring 20；Outer 8 upper end of position-limiting tube is connected through a screw thread gag lever post 6；The cylinder body 2 is connected through a screw thread upper end cover 1,
2 inner wall of cylinder body and 1 side of upper end cover are sealed by upper end cover O-ring 22；Making-up air device, tonifying Qi dress is arranged in the center of upper end cover 1
The top set is plug 4, lower part equipped with valve inside 5；The cylinder body 2 is connected through a screw thread pedestal 3, cylinder body 2 and pedestal 3 it
Between sealed by O-ring A11.
Further, the check valve assembly includes return spring A12, nonreturn valve core 13, inner end cap 14, inner end cap O
Type circle 21 and check valve open pin 16, and the return spring A12 right end jacking has nonreturn valve core 13, contains on the right side of nonreturn valve core 13
There is sealed nylon ring to be flexibly connected with inner end cap 14 and include self-styled angle, there is inner end cap O-ring between pedestal 3 and inner end cap 14
21；The check valve opens pin 16 by being threadably mounted on pedestal 3, and check valve, which is opened, installs list between pin 16 and pedestal 3
To valve O-ring 15；The small head end that the check valve opens pin 16 passes through inner end cap 14 and contacts with nonreturn valve core 13.
Further, the radial hole on 8 periphery of outer position-limiting tube is both circumferentially uniformly distributed or along axial uniformly distributed.
Further, filter screen 18 and O-ring B17 are set in the through-hole in the pedestal 3.
Further, the spill valve includes overflow spool 23, return spring B24 and overflow valve end cap 25, institute
The lower end return spring B24 stated is provided with overflow spool 23, and sealed nylon ring and 3 activity of pedestal are contained even in 23 lower end of overflow spool
It connects and includes self-styled angle, the upper end return spring B24 is provided with overflow valve end cap 25, and the overflow valve end cap 25 is pacified by screw thread
On pedestal 3.
Further, the plug 4 is end face seal plug.
Working principle of the present invention is as follows:
The present invention is installed on the oil circuit of hydraulic system by the through-hole and O-ring B17 of 3 lower end of pedestal.Work as hydraulic system
In pressure rise when, the high pressure oil in oil circuit can jack up the bead 7 in limit assembly, so that oil is flowed into energy storage intracavitary；
When the pressure reduction in hydraulic system, the intracavitary oil of energy storage can be flowed back into successively in the oil circuit of hydraulic system, to make
Pressure recovery in hydraulic system is normal；When energy storage chamber internal reservoir energy discharges completely, swim in small on pasta
Ball 7 can set back, and block the semispherical surface of interior 9 upper end of position-limiting tube in limit assembly, prevent gas from entering hydraulic system.
Check valve assembly and pressure gauge 10 of the invention is for monitoring the intracavitary pressure of energy storage in real time；Making-up air device is used
In the intracavitary gas of supplement energy storage；The filter screen 18 being arranged in through-hole in pedestal 3 enters energy storage chamber for filtering
High pressure oil, O-ring B17 is for sealing between pedestal 3 and hydraulic system oil circuit；Overflow valve is for protecting pressure inside accumulator
It is not higher than rated value by force, prevents overload from leading to the functions such as the rupture of cylinder body 2.
The present invention is not limited to the present embodiment, any equivalent concepts within the technical scope of the present disclosure or changes
Become, is classified as protection scope of the present invention.
Claims (8)
1. type voltage regulation large capacity accumulator, it is characterised in that: including pedestal (3), cylinder body (2), with the upper end cover of making-up air device
(1) and with the limit assembly for limiting fuel head function；The lower end of the cylinder body (2) is mounted on pedestal (3), the upper end
It is arranged upper end cover (1)；Pedestal (3) upper surface, cylinder body (2) inner wall and upper end cover (1) lower surface constitutes energy storage
Chamber；The intracavitary top of the energy storage is gas, lower part is hydraulic oil；The limit assembly is arranged in energy storage chamber
On interior pedestal (3)；
Four-way oil circuit is set in the pedestal (3), first to fourth branch's oil circuit of four-way oil circuit be respectively communicated with energy storage chamber,
Spill valve, pressure gauge (10) and check valve assembly；The check valve assembly is deposited for cracking pressure table (10) with energy
Oil circuit between storage chamber；The four-way oil circuit is " Ш " shape oil circuit；Left side vertical oil circuit is first branch's oil circuit, is connected to energy
Storage chamber；Center vertical oil circuit is second branch's oil circuit, is connected to spill valve；Right vertical oil circuit is third branch oil circuit,
It is connected to pressure gauge (10)；Horizontal oil circuit is the 4th branch's oil circuit, is connected to check valve assembly；The pressure gauge (10) is arranged in energy
It measures on the pedestal (3) outside storage chamber, reads the intracavitary pressure of real-time monitoring energy storage by pressure gauge (10)；The overflow
In the pedestal (3) that valve module is arranged between cylinder body (2) and pressure gauge (10).
2. type voltage regulation large capacity accumulator according to claim 1, it is characterised in that: the limit assembly includes limit
Bar (6), bead (7), outer position-limiting tube (8) and interior position-limiting tube (9), upper end setting gag lever post (6) of the outer position-limiting tube (8),
Position-limiting tube (9) in the nesting of its underpart, on the gag lever post (6) lower end surface, outer position-limiting tube (8) inner wall and interior position-limiting tube (9)
It floats in cavity between end face and places bead (7)；Described outer position-limiting tube (8) lower end is fixed on pedestal (3), interior position-limiting tube
(9) lower end is mounted in pedestal (3)；The centre bore of interior position-limiting tube (9) is through the through-hole and the oil circuit phase of hydraulic system in pedestal (3)
Even；Outer position-limiting tube (8) periphery is evenly distributed with radial hole；Interior position-limiting tube (9) upper end face is that indent semicircle is spherical,
Radius is equal with bead (7) radius；The radial hole is through-hole；The bead (7) is less than hydraulic oil density using density
Material manufacture.
3. type voltage regulation large capacity accumulator according to claim 2, it is characterised in that: described interior position-limiting tube (9) lower end
It is connected through a screw thread pedestal (3), interior position-limiting tube O-ring (19) is set between interior position-limiting tube (9) and pedestal (3)；Outer position-limiting tube (8)
Lower end is connected through a screw thread pedestal (3), and outer position-limiting tube O-ring (20) is arranged between outer position-limiting tube (8) and pedestal (3)；Outer limit
Pipe (8) upper end is connected through a screw thread gag lever post (6)；The cylinder body (2) is connected through a screw thread upper end cover (1), cylinder body (2) inner wall
It is sealed with upper end cover (1) side by upper end cover O-ring (22)；Making-up air device is arranged in the center of upper end cover (1), making-up air device
Top is plug (4), lower part is equipped with valve inside (5)；The cylinder body (2) is connected through a screw thread pedestal (3), in cylinder body (2) and
It is sealed between pedestal (3) by O-ring A (11).
4. type voltage regulation large capacity accumulator according to claim 1, it is characterised in that: the check valve assembly includes back
Position spring A (12), nonreturn valve core (13), inner end cap (14), inner end cap O-ring (21) and check valve open pin (16), described
Return spring A (12) right end jacking has nonreturn valve core (13), and sealed nylon ring and inner end cap are contained on the right side of nonreturn valve core (13)
(14) it is flexibly connected and includes self-styled angle, there is inner end cap O-ring (21) between pedestal (3) and inner end cap (14)；Described is unidirectional
Valve opens pin (16) by being threadably mounted on pedestal (3), and check valve, which is opened, installs check valve O between pin (16) and pedestal (3)
Type circle (15)；The small head end that the check valve opens pin (16) passes through inner end cap (14) and contacts with nonreturn valve core (13).
5. type voltage regulation large capacity accumulator according to claim 2, it is characterised in that: described outer position-limiting tube (8) periphery
Radial hole it is both circumferentially uniformly distributed or along axial uniformly distributed.
6. type voltage regulation large capacity accumulator according to claim 1, it is characterised in that: the through-hole in the pedestal (3)
Middle setting filter screen (18) and O-ring B (17).
7. type voltage regulation large capacity accumulator according to claim 1, it is characterised in that: the spill valve includes overflowing
Flow valve core (23), return spring B (24) and overflow valve end cap (25), described return spring B (24) lower end are provided with overflow valve
Core (23), overflow spool (23) lower end contain sealed nylon ring and are flexibly connected with pedestal (3) and include self-styled angle, return spring B
(24) upper end is provided with overflow valve end cap (25), and the overflow valve end cap (25) is by being threadably mounted on pedestal (3).
8. type voltage regulation large capacity accumulator according to claim 3, it is characterised in that: the plug (4) is that end face is close
Block head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662377.2A CN107725497B (en) | 2016-08-12 | 2016-08-12 | Type voltage regulation large capacity accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662377.2A CN107725497B (en) | 2016-08-12 | 2016-08-12 | Type voltage regulation large capacity accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107725497A CN107725497A (en) | 2018-02-23 |
| CN107725497B true CN107725497B (en) | 2019-09-06 |
Family
ID=61200956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610662377.2A Active CN107725497B (en) | 2016-08-12 | 2016-08-12 | Type voltage regulation large capacity accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725497B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063746A (en) * | 1991-01-29 | 1992-08-19 | 西方国际阿特拉斯公司 | Flow through piston accumulator |
| EP1026406A1 (en) * | 1997-09-29 | 2000-08-09 | Tokai Rubber Industries, Ltd. | Accumulator including device for permitting and inhibiting fluid flow into fluid chamber |
| CN101749291A (en) * | 2008-12-11 | 2010-06-23 | 郑文瑞 | Pail floating type power accumulator |
| CN101963164A (en) * | 2010-08-30 | 2011-02-02 | 芜湖盛力制动有限责任公司 | Accumulator replenishing valve of full-hydraulic braking system of engineering machinery |
| CN102954051A (en) * | 2012-10-23 | 2013-03-06 | 中国重型机械研究院股份公司 | Accumulator system capable of automatically regulating inflation pressure |
| CN105020185A (en) * | 2015-07-30 | 2015-11-04 | 上海神舟汽车节能环保有限公司 | Hydraulic oil tank for air power starting system (hydraulic hybrid power system) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2728242B1 (en) * | 2012-11-05 | 2021-08-25 | Magna Steyr Fahrzeugtechnik AG & Co KG | Pressure storage system and method for operating the same |
-
2016
- 2016-08-12 CN CN201610662377.2A patent/CN107725497B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063746A (en) * | 1991-01-29 | 1992-08-19 | 西方国际阿特拉斯公司 | Flow through piston accumulator |
| EP1026406A1 (en) * | 1997-09-29 | 2000-08-09 | Tokai Rubber Industries, Ltd. | Accumulator including device for permitting and inhibiting fluid flow into fluid chamber |
| CN101749291A (en) * | 2008-12-11 | 2010-06-23 | 郑文瑞 | Pail floating type power accumulator |
| CN101963164A (en) * | 2010-08-30 | 2011-02-02 | 芜湖盛力制动有限责任公司 | Accumulator replenishing valve of full-hydraulic braking system of engineering machinery |
| CN102954051A (en) * | 2012-10-23 | 2013-03-06 | 中国重型机械研究院股份公司 | Accumulator system capable of automatically regulating inflation pressure |
| CN105020185A (en) * | 2015-07-30 | 2015-11-04 | 上海神舟汽车节能环保有限公司 | Hydraulic oil tank for air power starting system (hydraulic hybrid power system) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107725497A (en) | 2018-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101392775B (en) | Two stage interference lock fastening hydraulic cylinder at optional position | |
| US20220178388A1 (en) | High-capacity bladder type constant pressure accumulator and application thereof | |
| CN106151160A (en) | There is hydraulic jack and the excavator of pooling feature | |
| WO2016127777A1 (en) | Nitrogen energy storage hydraulic cylinder | |
| CN206205913U (en) | Colliery pressure three-purpose valve based on micro forming valve element and special-shaped valve pocket | |
| CN101949397A (en) | Balanced valve bank of derricking cylinder system | |
| CN107725497B (en) | Type voltage regulation large capacity accumulator | |
| CN103206417A (en) | 70MPa stainless steel diaphragm type energy accumulator | |
| CN204327607U (en) | A kind of piston accumulator | |
| CN201874914U (en) | Balance valve bank of variable-amplitude oil cylinder system | |
| CN103362878A (en) | Capacity-adjustable diaphragm-type pulsation absorbing energy accumulator | |
| CN111425483B (en) | Oil cylinder tail end buffering device | |
| CN111425484A (en) | Oil cylinder tail end buffering device | |
| CN203223438U (en) | Piston type single-action hydraulic cylinder | |
| CN106762947B (en) | A kind of single-action hydraulic cylinder shown with internal leakage | |
| CN215409920U (en) | Integrated two-stage pressure hydraulic air spring | |
| CN208845441U (en) | High-pressure piston type accumulator cylinder body | |
| CN209539678U (en) | A kind of tower crane jacking cylinder combination valve | |
| CN109306975A (en) | A kind of Novel winding-type accumulator | |
| CN106762951A (en) | A kind of compressed air backhaul single-action hydraulic cylinder | |
| CN208234447U (en) | A kind of high-precision is intermittently welded formula hydraulic jack | |
| CN107235451B (en) | Low-delay starting and inner-leakage-preventing buffer oil cylinder for portal above four levels | |
| CN201953727U (en) | Bag type energy accumulator | |
| CN110645209A (en) | Wound form energy storage ware | |
| CN206175556U (en) | Mechanical engineering equips and uses damping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: 116600 No. 110 West Huaihe Road, Dalian Development Zone, Liaoning Patentee after: Zhang Yandong Address before: 116600 No. 110 West Huaihe Road, Dalian Development Zone, Liaoning Patentee before: DALIAN JINGWEI HYDRAULIC TECHNOLOGY Co.,Ltd. |