CN108317127A - Novel energy-storage hydraulic cylinder - Google Patents
Novel energy-storage hydraulic cylinder Download PDFInfo
- Publication number
- CN108317127A CN108317127A CN201810320371.6A CN201810320371A CN108317127A CN 108317127 A CN108317127 A CN 108317127A CN 201810320371 A CN201810320371 A CN 201810320371A CN 108317127 A CN108317127 A CN 108317127A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- hole
- piston
- storage chamber
- energy storage
- 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.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 66
- 239000011324 bead Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract description 8
- 238000005381 potential energy Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of novel energy-storage hydraulic cylinders, including cylinder barrel, cylinder bottom, cylinder cap, hydraulic cylinder piston and hydraulic cylinder piston rod, it is provided with energy storage chamber on the hydraulic cylinder piston rod, the second oil-through hole that both ends are connected to the rodless cavity of the hydraulic cylinder and the energy storage chamber respectively is provided on the hydraulic cylinder piston, energy storage chamber piston is provided in the energy storage chamber, the energy storage chamber piston is configured with for providing the energy storage chamber piston elastic component towards the elastic force of second oil-through hole.The present invention in use, when hydraulic cylinder piston rod is withdrawn, can convert kinetic energy into spring potential energy, when hydraulic cylinder piston rod stretches out, it can be kinetic energy by spring potential energy, reach energy-saving and environment-friendly purpose, and energy storage chamber absorbs or releases hydraulic oil and hydraulic cylinder can be made stable.
Description
Technical field
The present invention relates to hydraulic cylinder fields, relate in particular to a kind of novel energy-storage hydraulic cylinder.
Background technology
Hydraulic cylinder is the hydraulic actuator that hydraulic energy is changed into mechanical energy, and hydraulic cylinder is substantially by cylinder barrel, cylinder bottom, cylinder
Lid, piston and piston rod composition.
Current era, due to shortage of resources, energy conservation and environmental protection has become the main target of the manufacturing, and hydraulic cylinder is being run
Piston is caused to cause to impact to cylinder bottom since kinetic energy can not absorb especially at the end of stroke in the process, this impact will drop
The service life and noise of low hydraulic cylinder, and the previous vibrations that buffering only is used only and reduces hydraulic cylinder, but can not by energy into
Row recycling.
Invention content
Technical problem to be solved by the invention is to provide a kind of energy conservation and environmental protections, can reduce piston and be rushed to cylinder barrel bottom
It hits, stable novel energy-storage hydraulic cylinder.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：Novel energy-storage hydraulic cylinder, including cylinder barrel,
The rear end face of cylinder bottom, cylinder cap, hydraulic cylinder piston and hydraulic cylinder piston rod, the hydraulic cylinder piston is provided with sealed plunger, described
The front end face of cylinder bottom is provided with seal chamber, and when the hydraulic cylinder piston is run to nearly stroke end, the sealed plunger stretches into institute
It states in seal chamber, the first oil-through hole being connected to the seal chamber is also provided on the cylinder bottom；
Energy storage chamber is provided on the hydraulic cylinder piston rod, be provided on the hydraulic cylinder piston both ends respectively with the hydraulic cylinder
The second oil-through hole for being connected to the energy storage chamber of rodless cavity, be provided with energy storage chamber piston, the energy storage chamber in the energy storage chamber
Piston is configured with for providing the energy storage chamber piston elastic component towards the elastic force of second oil-through hole.
Further, the elastic component is spring.
Further, the energy storage chamber extends forward from the rear end of the hydraulic cylinder piston rod, and the one of the elastic component
End is connected to the front end face of the energy storage chamber piston, and the other end of the elastic component is connected on the bottom wall of the energy storage chamber.
Further, the sealed plunger, which floats, is fixed on the rear end face of the hydraulic cylinder piston.
Further, the sealed plunger is fixed on the rear end of the hydraulic cylinder piston by realizing to float with lower structure
Face：The rear end face of the hydraulic cylinder piston is provided with mounting hole, and the sealed plunger activity is plugged in the mounting hole, described close
A circle circumferentially extends and energy is had on the part of the insertion mounting hole of envelope plunger and on the mounting hole hole wall
The groove of ring-shaped chamber is complemented each other to form, is also provided on the hydraulic cylinder piston and the groove on the mounting hole hole wall
Connection into the hole of bead, the ring-shaped chamber and described into being filled with ball in the hole of bead is described to be sealed into the hole of bead by lock-screw
It is stifled.
Further, rodless cavity of the both ends respectively with first oil-through hole and the hydraulic cylinder is also provided on the cylinder bottom
The convergence hole of connection is equipped with the nothing that first oil-through hole is led in import, the hydraulic cylinder is led in outlet in the convergence hole
The check valve of rod cavity.
Further, the hydraulic cylinder piston includes annular body and cylindrical body, and the cylindrical body stretches into the ring
In the inner cavity of shape ontology and the cylindrical body is threadedly coupled with the annular body, the sealed plunger and described second excessively oily
Hole is arranged in the cylindrical body.
Further, the rear end of the hydraulic cylinder piston rod be inserted into the hydraulic cylinder piston and with the hydraulic cylinder piston
It is threadedly coupled.
Beneficial effects of the present invention are embodied in：
The present invention in use, when hydraulic cylinder piston rod is withdrawn, can convert kinetic energy into spring potential energy, hydraulic cylinder
When piston rod stretches out, can be kinetic energy by spring potential energy, reach energy-saving and environment-friendly purpose, and energy storage chamber absorb or
Releasing hydraulic oil can make hydraulic cylinder stable；
The present invention can reduce impact of the hydraulic cylinder piston to cylinder barrel bottom, and can reduce hydraulic cylinder vibrations and be improved with reaching
Hydraulic cylinder life and the effect for reducing energy consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
In attached drawing the label of each component be：1 cylinder barrel, 2 cylinder bottoms, 21 seal chambers, 22 first oil-through holes, 23 check valves, 3 hydraulic pressure
Cylinder piston rod, 31 energy storage chambers, 32 energy storage chamber pistons, 33 elastic components, 4 annular bodies, 5 cylindrical bodies, 51 sealed plungers, 52 second
Oil-through hole, 53 balls, 54 lock-screws.
Specific implementation mode
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the features in the embodiments and the embodiments of the present application can be combined with each other.
Referring to Fig. 1.
Energy-storage hydraulic cylinder of the present invention, including cylinder barrel 1, cylinder bottom 2, cylinder cap (not shown), hydraulic cylinder piston and hydraulic cylinder piston
The rear end face of bar 3, the hydraulic cylinder piston is provided with sealed plunger 51, and the front end face of the cylinder bottom 2 is provided with seal chamber 21, works as institute
When stating hydraulic cylinder piston and running to nearly stroke end, the sealed plunger 51 stretches into the seal chamber 21, on the cylinder bottom 2 also
It is provided with the first oil-through hole 22 being connected to the seal chamber 21；
Energy storage chamber 31 is provided on the hydraulic cylinder piston rod 3, be provided on the hydraulic cylinder piston both ends respectively with the liquid
The second oil-through hole 52 that the rodless cavity of cylinder pressure is connected to the energy storage chamber 31 is provided with energy storage chamber piston in the energy storage chamber 31
32, the energy storage chamber piston 32 is configured with for providing the energy storage chamber piston 32 bullet towards second oil-through hole 52
The elastic component 33 of power.
The inner wall of energy storage chamber piston 32 and energy storage chamber 31 in the present invention constitutes sealing and is slidably matched, with hydraulic cylinder piston
Structure, function are similar, but piston rod need not be connected on energy storage chamber piston, and structural requirement is lower.
The present invention at work, when hydraulic cylinder piston rod withdraw, when hydraulic cylinder piston is run to nearly stroke end, sealing column
Plug stretches into seal chamber and shuts the first oil-through hole, and the hydraulic oil in the rodless cavity of such hydraulic cylinder is excessively oily due to cannot be introduced into first
Hole can only enter energy storage chamber by the second oil-through hole, and the elastic force of energy storage chamber piston overpowers elastic component is pushed to move forward, to
Spring potential energy is converted kinetic energy into, later when hydraulic cylinder piston rod stretches out, hydraulic oil enters the rodless cavity of hydraulic cylinder, same with this
When, under the elastic force effect of elastic component, energy storage chamber piston moves the hydraulic oil that will be stored in energy storage chamber towards the second oil-through hole
The rodless cavity of hydraulic cylinder is squeezed by the second oil-through hole, and hydraulic cylinder piston is pushed to move forward.
During the use of hydraulic cylinder, when energy storage chamber piston or so dynamic balance, energy storage chamber piston is in temporary stabilization
State, when the rodless cavity of hydraulic cylinder has pressure oscillation, under the cooperation of elastic component and energy storage chamber piston, energy storage chamber absorb or
Person releases hydraulic oil to keep hydraulic cylinder stable.
In specific implementation, the energy storage chamber piston 32 and the direction that is slidably matched of the energy storage chamber 31 are lived with the hydraulic cylinder
Plug is identical as the direction that is slidably matched of the cylinder barrel.
In one embodiment, be also provided on the cylinder bottom 2 both ends respectively with first oil-through hole 22 and the hydraulic cylinder
Rodless cavity connection convergence hole, be equipped in the convergence hole import lead to first oil-through hole 22, outlet lead to it is described
The check valve 23 of the rodless cavity of hydraulic cylinder.In this way design, the first oil-through hole 22 can not only be used for it is fuel-displaced, can also be used into
In addition oil need not open up oil inlet in this way, when hydraulic cylinder piston rod stretches out, hydraulic oil is via the first oil-through hole, check valve
Into the rodless cavity of hydraulic cylinder.
In one embodiment, the elastic component 33 is spring.The elastic force of spring is more uniform, stablizes, and practicability is more preferable.
In one embodiment, the energy storage chamber 31 extends forward from the rear end of the hydraulic cylinder piston rod 3, the elasticity
One end of part 33 is connected to the front end face of the energy storage chamber piston 32, and the other end of the elastic component 33 is connected to the energy storage chamber
On 31 bottom wall.It designs in this way, structure is more reasonable, is easy to make assembly.Energy storage chamber can require filling according to load or accumulation of energy
Certain proportion hydraulic oil and noble gas mixtures.
In one embodiment, the sealed plunger 51, which floats, is fixed on the rear end face of the hydraulic cylinder piston.It designs in this way,
Sealed plunger self-centering can enter seal chamber, reduce required precision.
In one embodiment, it is provided with annular seal groove on the sealed plunger 51, for sealing.
In one embodiment, the sealed plunger 51 is fixed on the hydraulic cylinder piston by realizing to float with lower structure
Rear end face：The rear end face of the hydraulic cylinder piston is provided with mounting hole, and 51 activity of the sealed plunger is plugged in the mounting hole,
On the part of the insertion mounting hole of the sealed plunger 51 and a circle is had on the mounting hole hole wall circumferentially to prolong
Groove stretch and that ring-shaped chamber can be complemented each other to form, be also provided on the hydraulic cylinder piston on the mounting hole hole wall
Groove connection into the hole of bead, the ring-shaped chamber and described into being filled with ball 53 in the hole of bead is described to pass through into the hole of bead
Lock-screw 54 blocks.In specific implementation, ball 53 uses steel ball.
In one embodiment, the hydraulic cylinder piston includes annular body 4 and cylindrical body 5, and the cylindrical body 5 stretches into
In the inner cavity of the annular body 4 and the cylindrical body 5 is threadedly coupled with the annular body 4,51 He of the sealed plunger
Second oil-through hole 52 is arranged in the cylindrical body 5.It designs in this way, facilitates fabrication and installation, such as facilitate processing second
Oil-through hole and groove.
In one embodiment, the rear end of the hydraulic cylinder piston rod 3 be inserted into the hydraulic cylinder piston and with the hydraulic pressure
The cylinder piston is threadedly coupled.It designs in this way, is easy fabrication and installation, practicability is more preferable.
In specific implementation, have equipped with sealing element at each component contact position, except weldment.
It should be understood that example as described herein and embodiment are not intended to restrict the invention, this field only for explanation
Technical staff can make various modifications or variation according to it, all within the spirits and principles of the present invention, made by it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. novel energy-storage hydraulic cylinder, including cylinder barrel, cylinder bottom, cylinder cap, hydraulic cylinder piston and hydraulic cylinder piston rod, it is characterised in that：
The rear end face of the hydraulic cylinder piston is provided with sealed plunger, and the front end face of the cylinder bottom is provided with seal chamber, when the hydraulic cylinder
When piston is run to nearly stroke end, the sealed plunger stretches into the seal chamber, be also provided on the cylinder bottom with it is described close
Seal the first oil-through hole of chamber connection；
It is provided with energy storage chamber on the hydraulic cylinder piston rod, nothing of the both ends respectively with the hydraulic cylinder is provided on the hydraulic cylinder piston
The second oil-through hole that rod cavity is connected to the energy storage chamber is provided with energy storage chamber piston, the energy storage chamber piston in the energy storage chamber
It is configured with for providing the energy storage chamber piston elastic component towards the elastic force of second oil-through hole.
2. novel energy-storage hydraulic cylinder as described in claim 1, it is characterised in that：The elastic component is spring.
3. novel energy-storage hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：The energy storage chamber is lived from the hydraulic cylinder
The rear end of stopper rod extends forward, and one end of the elastic component is connected to the front end face of the energy storage chamber piston, the elastic component
The other end be connected on the bottom wall of the energy storage chamber.
4. novel energy-storage hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：The sealed plunger floating is fixed on institute
State the rear end face of hydraulic cylinder piston.
5. novel energy-storage hydraulic cylinder as claimed in claim 4, it is characterised in that：The sealed plunger with lower structure by being realized
It floats and is fixed on the rear end face of the hydraulic cylinder piston：The rear end face of the hydraulic cylinder piston is provided with mounting hole, the sealing column
Plug activity is plugged in the mounting hole, on the part of the insertion mounting hole of the sealed plunger and mounting hole hole
Groove that a circle circumferentially extends and that ring-shaped chamber can be complemented each other to form is had on wall, is also opened on the hydraulic cylinder piston
Have be connected to the groove on the mounting hole hole wall into the hole of bead, the ring-shaped chamber and described into being filled in the hole of bead
Ball, it is described to be blocked into the hole of bead by lock-screw.
6. novel energy-storage hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：Both ends difference is also provided on the cylinder bottom
The convergence hole being connected to the rodless cavity of first oil-through hole and the hydraulic cylinder is equipped with import in the convergence hole and leads to institute
The check valve stated the first oil-through hole, export the rodless cavity for leading to the hydraulic cylinder.
7. novel energy-storage hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：The hydraulic cylinder piston includes cyclic annular sheet
Body and cylindrical body, the cylindrical body stretches into the inner cavity of the annular body and the cylindrical body and the annular body
It is threadedly coupled, the sealed plunger and second oil-through hole are arranged in the cylindrical body.
8. novel energy-storage hydraulic cylinder as claimed in claim 1 or 2, it is characterised in that：It inserts the rear end of the hydraulic cylinder piston rod
Enter in the hydraulic cylinder piston and is threadedly coupled with the hydraulic cylinder piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320371.6A CN108317127A (en) | 2018-04-11 | 2018-04-11 | Novel energy-storage hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320371.6A CN108317127A (en) | 2018-04-11 | 2018-04-11 | Novel energy-storage hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317127A true CN108317127A (en) | 2018-07-24 |
Family
ID=62898216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320371.6A Pending CN108317127A (en) | 2018-04-11 | 2018-04-11 | Novel energy-storage hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317127A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026902A (en) * | 2018-09-04 | 2018-12-18 | 韶关液压件厂有限公司 | A kind of band moves more damping pass buffering hydraulic cylinders of cylinder head |
| CN110131235A (en) * | 2019-05-27 | 2019-08-16 | 燕山大学 | A kind of novel hydraulic support cylinder structure |
| CN110345127A (en) * | 2019-07-12 | 2019-10-18 | 南通翔骜液压润滑设备有限公司 | Multistage hydraulic cylinder |
| CN110578732A (en) * | 2019-09-10 | 2019-12-17 | 长沙理工大学 | Energy storage type hydraulic cylinder with built-in welded piston rod |
| CN117189579A (en) * | 2023-10-17 | 2023-12-08 | 上海迈克孚生物科技有限公司 | Automatic compensation type ultrahigh-pressure piston rod fluid dynamic sealing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166022Y (en) * | 2008-02-27 | 2008-12-17 | 长沙中联重工科技发展股份有限公司 | Hydraulic pressure accumulator oil cylinder for crane |
| CN202132304U (en) * | 2011-07-29 | 2012-02-01 | 合肥长源液压股份有限公司 | High-pressure oil cylinder with combined buffering device in rodless cavity |
| CN103233944A (en) * | 2013-04-25 | 2013-08-07 | 长沙理工大学 | Air chamber spring combination buffer slow-release accommodating cavity arranged on oil cylinder head |
| CN103244508A (en) * | 2013-04-25 | 2013-08-14 | 长沙理工大学 | Piston air chamber buffer controlled-release cavity arranged on cylinder piston rod |
| CN103244507A (en) * | 2013-04-25 | 2013-08-14 | 长沙理工大学 | Piston air chamber buffer controlled-release cavity arranged on cylinder piston rod |
| CN103291664A (en) * | 2013-06-06 | 2013-09-11 | 王健 | Hydraulic buffering driving and buffering braking device |
| CN104358742A (en) * | 2014-11-17 | 2015-02-18 | 刘超 | Buffer device for buffer air cylinder |
| CN208106881U (en) * | 2018-04-11 | 2018-11-16 | 合肥长源液压股份有限公司 | Novel energy-storage hydraulic cylinder |
-
2018
- 2018-04-11 CN CN201810320371.6A patent/CN108317127A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166022Y (en) * | 2008-02-27 | 2008-12-17 | 长沙中联重工科技发展股份有限公司 | Hydraulic pressure accumulator oil cylinder for crane |
| CN202132304U (en) * | 2011-07-29 | 2012-02-01 | 合肥长源液压股份有限公司 | High-pressure oil cylinder with combined buffering device in rodless cavity |
| CN103233944A (en) * | 2013-04-25 | 2013-08-07 | 长沙理工大学 | Air chamber spring combination buffer slow-release accommodating cavity arranged on oil cylinder head |
| CN103244508A (en) * | 2013-04-25 | 2013-08-14 | 长沙理工大学 | Piston air chamber buffer controlled-release cavity arranged on cylinder piston rod |
| CN103244507A (en) * | 2013-04-25 | 2013-08-14 | 长沙理工大学 | Piston air chamber buffer controlled-release cavity arranged on cylinder piston rod |
| CN103291664A (en) * | 2013-06-06 | 2013-09-11 | 王健 | Hydraulic buffering driving and buffering braking device |
| CN104358742A (en) * | 2014-11-17 | 2015-02-18 | 刘超 | Buffer device for buffer air cylinder |
| CN208106881U (en) * | 2018-04-11 | 2018-11-16 | 合肥长源液压股份有限公司 | Novel energy-storage hydraulic cylinder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026902A (en) * | 2018-09-04 | 2018-12-18 | 韶关液压件厂有限公司 | A kind of band moves more damping pass buffering hydraulic cylinders of cylinder head |
| CN110131235A (en) * | 2019-05-27 | 2019-08-16 | 燕山大学 | A kind of novel hydraulic support cylinder structure |
| CN110345127A (en) * | 2019-07-12 | 2019-10-18 | 南通翔骜液压润滑设备有限公司 | Multistage hydraulic cylinder |
| CN110578732A (en) * | 2019-09-10 | 2019-12-17 | 长沙理工大学 | Energy storage type hydraulic cylinder with built-in welded piston rod |
| CN110578732B (en) * | 2019-09-10 | 2021-04-23 | 长沙理工大学 | Energy storage type hydraulic cylinder with built-in welded piston rod |
| CN117189579A (en) * | 2023-10-17 | 2023-12-08 | 上海迈克孚生物科技有限公司 | Automatic compensation type ultrahigh-pressure piston rod fluid dynamic sealing device |
| CN117189579B (en) * | 2023-10-17 | 2024-02-20 | 上海迈克孚生物科技有限公司 | Automatic compensation type ultrahigh-pressure piston rod fluid dynamic sealing device |
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Inventor after: Chen Peng Inventor after: Fang Tao Inventor before: Chen Peng |