CN108679041A - A kind of buffer type hydraulic oil cylinder - Google Patents
A kind of buffer type hydraulic oil cylinder Download PDFInfo
- Publication number
- CN108679041A CN108679041A CN201810763323.4A CN201810763323A CN108679041A CN 108679041 A CN108679041 A CN 108679041A CN 201810763323 A CN201810763323 A CN 201810763323A CN 108679041 A CN108679041 A CN 108679041A
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- CN
- China
- Prior art keywords
- cylinder
- piston
- cylinder barrel
- spring
- end housing
- 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.)
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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
- 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
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- 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
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/008—Reduction of noise or vibration
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of buffer type hydraulic oil cylinders, including cylinder barrel, the cylinder barrel is arranged in hollow circular column structure, and its both ends is arranged in perforation, the both ends of the cylinder barrel seal be socketed with front end housing and back cylinder cover respectively, and the inner wall of cylinder barrel has been slidably and sealingly connected with piston, there are four the first springs of circular array setting for connection between the piston and back cylinder cover, and first spring in horizontally disposed, side of the piston far from the first spring is connected with piston rod, and piston rod passes through what front end housing extended to cylinder barrel to be externally connected to head.Structure of the invention is novel; and the device can obtain effective buffer protection at runtime; extend the service life of the hydraulic cylinder; the noise that generation can be run to it simultaneously absorbs, and reduces noise pollution, and when device use; its oil inlet quantity can be controlled effectively; to control the speed of service of hydraulic cylinder, the safe handling of hydraulic cylinder is ensured, suitable for promoting.
Description
Technical field
The present invention relates to technical field of hydraulic oil cylinder more particularly to a kind of buffer type hydraulic oil cylinders.
Background technology
Hydraulic cylinder be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or pendulum motion) executes member
Part.Its simple in structure, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Stable movement, therefore be used widely in the hydraulic system of various machineries.Hydraulic cylinder power output and piston effective area and
The pressure difference on its both sides is directly proportional；Hydraulic cylinder substantially by cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit with
Exhaust apparatus forms.For buffer unit with exhaust apparatus depending on concrete application occasion, other devices are then essential.
But in Hydraulic Power Transmission System, when the quality of moving component is larger, when movement velocity is higher, due to the work of inertia force
With, there is prodigious momentum, in hydraulic cylinder, when the terminal of piston motion to cylinder barrel, mechanical collision occurs for Chang Huiyu end caps,
Prodigious impact and noise are generated, mechanical precision is seriously affected；Long-term collision even can cause destructive accident, therefore, in order to
Problems are solved, we have proposed a kind of buffer type hydraulic oil cylinders.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of buffer type hydraulic oil proposed
Cylinder.
To achieve the goals above, present invention employs following technical solutions：
A kind of buffer type hydraulic oil cylinder, including cylinder barrel, the cylinder barrel is arranged in hollow circular column structure, and its both ends is in
Perforation setting, the both ends of the cylinder barrel seal respectively is socketed with front end housing and back cylinder cover, and the inner wall of cylinder barrel is slidably and sealingly connected with
There is piston, there are four the first springs of circular array setting for connection between the piston and back cylinder cover, and the first spring is in water
Flat setting, side of the piston far from the first spring is connected with piston rod, and piston rod extends to cylinder barrel across front end housing
It is externally connected to head, there are four the buffer units of circular array setting close to the connection of the side of piston for the front end housing, and
The contact position of front end housing and piston rod is equipped with the dustband being arranged in a ring, what the front end housing and back cylinder cover were contacted with cylinder barrel
Circumferential side wall is socketed with the sealing ring being arranged in a ring.
Preferably, the buffer unit includes sleeve, and sleeve is connected with close to the side inner wall of front end housing and is set in level
The second spring set, the one end of the second spring far from front end housing is connected with motion bar, and motion bar is far from second spring
One end passes through the side wall of sleeve to extend to outside it.
Preferably, the motion bar be located at sleeve inner circumferential side wall connection there are four circular array setting cunning
Block, the inner wall of sleeve set that there are four the sliding slots of circular array setting, and sliding slot is slidably connected with sliding block.
Preferably, the piston close to the side of piston rod set there are four circular array setting jack, and jack with
Motion bar is adapted to.
Preferably, the circumferential side wall of the cylinder barrel is respectively equipped with oil inlet and oil outlet, connects between oil inlet and outlet
It is connected to oil pipeline, and oil transfer pump is installed on oil pipeline.
Preferably, the inner wall of the cylinder barrel is equipped with silencing cotton.
Beneficial effects of the present invention are：
1, pass through the setting of second spring, sliding slot, sliding block, sleeve, motion bar, jack and acoustical cotton so that the device
Effective buffer protection can be obtained at runtime, extend the service life of the hydraulic cylinder, while can run generation to it
Noise is absorbed, and noise pollution is reduced.
2, pass through the setting of oil inlet, oil transfer pump, oil pipeline, oil outlet so that the oil inlet quantity of the device can obtain
Effective control, to control the speed of service of hydraulic cylinder, ensures the safe handling of hydraulic cylinder.
In conclusion the device can obtain effective buffer protection at runtime, extend the service life of the hydraulic cylinder,
The noise of generation can be run to it simultaneously to absorb, reduces noise pollution, and the device is in use, its oil inlet quantity can be with
It is controlled effectively, to control the speed of service of hydraulic cylinder, ensures the safe handling of hydraulic cylinder, suitable for promoting.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of buffer type hydraulic oil cylinder proposed by the present invention；
Fig. 2 is a kind of buffer unit structure schematic diagram of buffer type hydraulic oil cylinder proposed by the present invention；
Fig. 3 is a kind of buffer type hydraulic oil cylinder cushion side view proposed by the present invention.
In figure：1 head, 2 dustbands, 3 front end housings, 4 sealing rings, 5 buffer units, 501 second springs, 502 sliding slots, 503
Sliding block, 504 sleeves, 505 motion bars, 6 jacks, 7 pistons, 8 cylinder barrels, 9 first springs, 10 back cylinder covers, 11 oil inlets, 12 oil transportations
Pump, 13 oil pipelines, 14 oil outlets, 15 piston rods.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of buffer type hydraulic oil cylinder, including cylinder barrel 8, cylinder barrel 8 are arranged in hollow circular column structure, and
Its both ends is arranged in perforation, and the both ends of the cylinder barrel 8 seal respectively is socketed with front end housing 3 and back cylinder cover 10, and the inner wall of cylinder barrel 8
It is slidably and sealingly connected with piston 7, there are four the first bullets of circular array setting for connection between the piston 7 and back cylinder cover 10
Spring, and the first spring 9, in being horizontally disposed with, side of the piston 7 far from the first spring 9 is connected with piston rod 15, and piston rod
15 pass through what front end housing 3 extended to cylinder barrel 8 to be externally connected to head 1, and the front end housing 3 is close to there are four the connections of the side of piston
The buffer unit 5 of circular array setting, and front end housing 3 and the contact position of piston rod 15 are equipped with the dustband being arranged in a ring
2, the circumferential side wall that the front end housing 3 and back cylinder cover 10 are contacted with cylinder barrel 8 is socketed with the sealing ring 4 being arranged in a ring, buffering dress
It includes sleeve 504 to set 5, and sleeve 504 is connected with close to the side inner wall of front end housing 3 in horizontally disposed second spring 501, institute
State the one end of second spring 501 far from front end housing 3 and be connected with motion bar 505, and motion bar 505 far from second spring 501 one
The side wall across sleeve 504 is held to extend to outside it, motion bar 505 is located at there are four the connections of the circumferential side wall inside sleeve 504
The sliding block 503 of circular array setting, the inner wall of sleeve 504 set that there are four the sliding slots 502 of circular array setting, and sliding slot
502 are slidably connected with sliding block 503, piston 7 close to the side of piston rod 15 set there are four circular array setting jack 6, and
Jack 6 is adapted to motion bar 505, and the circumferential side wall of cylinder barrel 8 is respectively equipped with oil inlet 11 and oil outlet 14, oil inlet 11 with it is fuel-displaced
It is connected with oil pipeline 13 between mouth 14, and oil transfer pump 12 is installed on oil pipeline 13, the inner wall of cylinder barrel 8 is equipped with noise reduction
Cotton.
In use, oil is pumped into cylinder barrel 8 by oil inlet 11, and pushes piston 7 to move, piston 7 drives piston rod 15
Movement, while the first spring 9 is stretched, when piston 7 moves to jack 6 close to motion bar 505, motion bar 505 enters
Inside jack 6, and piston 7 pushes motion bar 505, the sliding in sliding slot 502 with movable slider 503 of motion bar 505, and activity
Bar 505 can squeeze second spring 501, and foot is provided at runtime to hydraulic cylinder by the first spring 9 and the deformation of second spring 501
Enough buffer protections, when piston 7 moves to the other side of oil outlet 14, the oil in cylinder barrel 8 flow to oil transportation by oil outlet 14
It in pipeline 13, and is pumped into again in cylinder barrel 8 by oil transfer pump 12, its cycle is made to act on piston 7, ensure hydraulic cylinder
Normal operation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of buffer type hydraulic oil cylinder, including cylinder barrel (8), which is characterized in that the cylinder barrel (8) is in hollow circular column structure
Setting, and its both ends is arranged in perforation, the both ends of the cylinder barrel (8) seal respectively is socketed with front end housing (3) and back cylinder cover (10),
And the inner wall of cylinder barrel (8) has been slidably and sealingly connected with piston (7), there are four be in for connection between the piston (7) and back cylinder cover (10)
First spring of annular array setting, and the first spring (9) is in be horizontally disposed with, the one of separate first spring (9) of the piston (7)
Side is connected with piston rod (15), and piston rod (15) passes through what front end housing (3) extended to cylinder barrel (8) to be externally connected to head (1),
The buffer unit (5) for circular array setting that there are four the side connections of the close piston of the front end housing (3), and front end housing (3)
It is equipped with the dustband (2) being arranged in a ring, the front end housing (3) and back cylinder cover (10) and cylinder with the contact position of piston rod (15)
The circumferential side wall of cylinder (8) contact is socketed with the sealing ring (4) being arranged in a ring.
2. a kind of buffer type hydraulic oil cylinder according to claim 1, which is characterized in that the buffer unit (5) includes set
Cylinder (504), and sleeve (504) is connected with close to the side inner wall of front end housing (3) in horizontally disposed second spring (501), institute
It states the one end of second spring (501) far from front end housing (3) and is connected with motion bar (505), and motion bar (505) is far from second spring
(501) one end passes through the side wall of sleeve (504) to extend to outside it.
3. a kind of buffer type hydraulic oil cylinder according to claim 2, which is characterized in that the motion bar (505) is located at set
There are four the sliding block (503) of circular array setting, the inner wall of sleeve (504) is equipped with the internal circumferential side wall connection of cylinder (504)
The sliding slot (502) of four circular arrays setting, and sliding slot (502) is slidably connected with sliding block (503).
4. a kind of buffer type hydraulic oil cylinder according to claim 1, which is characterized in that the piston (7) is close to piston rod
(15) side is set there are four the jack (6) of circular array setting, and jack (6) is adapted to motion bar (505).
5. a kind of buffer type hydraulic oil cylinder according to claim 1, which is characterized in that the circumferential side wall of the cylinder barrel (8)
It is respectively equipped with oil inlet (11) and oil outlet (14), oil pipeline (13) is connected between oil inlet (11) and oil outlet (14),
And oil transfer pump (12) is installed on oil pipeline (13).
6. a kind of buffer type hydraulic oil cylinder according to claim 1, which is characterized in that the inner wall of the cylinder barrel (8) is installed
There is silencing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763323.4A CN108679041A (en) | 2018-07-12 | 2018-07-12 | A kind of buffer type hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763323.4A CN108679041A (en) | 2018-07-12 | 2018-07-12 | A kind of buffer type hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679041A true CN108679041A (en) | 2018-10-19 |
Family
ID=63813680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810763323.4A Withdrawn CN108679041A (en) | 2018-07-12 | 2018-07-12 | A kind of buffer type hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679041A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628238A (en) * | 2020-12-24 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
| CN112943744A (en) * | 2021-02-01 | 2021-06-11 | 许志业 | Novel sealing device for hydraulic cylinder |
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
| CN113715388A (en) * | 2021-09-03 | 2021-11-30 | 合肥工业大学 | Large-tonnage high-speed hydraulic press for thermoplastic forming of composite material |
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|---|---|---|---|---|
| US5517898A (en) * | 1995-03-29 | 1996-05-21 | Korea Institute Of Machinery & Materials | Pneumatic cylinder utilizing cushioning sleeves, quick exhaust valves and quick supply valves |
| CN201636119U (en) * | 2010-03-08 | 2010-11-17 | 广东科达机电股份有限公司 | Novel oil cylinder |
| CN202768523U (en) * | 2012-08-17 | 2013-03-06 | 徐州徐工挖掘机械有限公司 | Bi-directional automatic buffering hydraulic oil cylinder |
| CN103438050A (en) * | 2013-09-02 | 2013-12-11 | 山西北方机械制造有限责任公司 | Buffer-after-unloading oil cylinder device |
| CN106286471A (en) * | 2015-05-20 | 2017-01-04 | 徐工集团工程机械股份有限公司 | Guide buffer unit, hydraulic jack and excavator |
| CN106917788A (en) * | 2017-04-21 | 2017-07-04 | 成都来宝石油设备有限公司 | Oil exploitation rig hydraulic cylinder with pooling feature |
| CN107091257A (en) * | 2017-06-26 | 2017-08-25 | 泸州长江油缸制造有限公司 | Engineering mechanical device hydraulic jack with pooling feature |
| CN206972651U (en) * | 2017-07-14 | 2018-02-06 | 衢州索迈气动元件有限公司 | A kind of structure-improved anti-dropping gas cylinder |
| CN208764035U (en) * | 2018-07-12 | 2019-04-19 | 长兴宏力机械科技有限公司 | A kind of buffer type hydraulic oil cylinder |
-
2018
- 2018-07-12 CN CN201810763323.4A patent/CN108679041A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5517898A (en) * | 1995-03-29 | 1996-05-21 | Korea Institute Of Machinery & Materials | Pneumatic cylinder utilizing cushioning sleeves, quick exhaust valves and quick supply valves |
| CN201636119U (en) * | 2010-03-08 | 2010-11-17 | 广东科达机电股份有限公司 | Novel oil cylinder |
| CN202768523U (en) * | 2012-08-17 | 2013-03-06 | 徐州徐工挖掘机械有限公司 | Bi-directional automatic buffering hydraulic oil cylinder |
| CN103438050A (en) * | 2013-09-02 | 2013-12-11 | 山西北方机械制造有限责任公司 | Buffer-after-unloading oil cylinder device |
| CN106286471A (en) * | 2015-05-20 | 2017-01-04 | 徐工集团工程机械股份有限公司 | Guide buffer unit, hydraulic jack and excavator |
| CN106917788A (en) * | 2017-04-21 | 2017-07-04 | 成都来宝石油设备有限公司 | Oil exploitation rig hydraulic cylinder with pooling feature |
| CN107091257A (en) * | 2017-06-26 | 2017-08-25 | 泸州长江油缸制造有限公司 | Engineering mechanical device hydraulic jack with pooling feature |
| CN206972651U (en) * | 2017-07-14 | 2018-02-06 | 衢州索迈气动元件有限公司 | A kind of structure-improved anti-dropping gas cylinder |
| CN208764035U (en) * | 2018-07-12 | 2019-04-19 | 长兴宏力机械科技有限公司 | A kind of buffer type hydraulic oil cylinder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628238A (en) * | 2020-12-24 | 2021-04-09 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
| CN112628238B (en) * | 2020-12-24 | 2022-07-01 | 扬州市正浩液压机械设备有限公司 | Hydraulic oil cylinder with high buffering performance and working method thereof |
| CN112943744A (en) * | 2021-02-01 | 2021-06-11 | 许志业 | Novel sealing device for hydraulic cylinder |
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
| CN113715388A (en) * | 2021-09-03 | 2021-11-30 | 合肥工业大学 | Large-tonnage high-speed hydraulic press for thermoplastic forming of composite material |
| CN113715388B (en) * | 2021-09-03 | 2023-11-03 | 合肥工业大学 | Large-tonnage high-speed hydraulic press for thermoplastic forming of composite material |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |
|
| WW01 | Invention patent application withdrawn after publication |