CN106763438A - Hydraulic bjuffer - Google Patents
Hydraulic bjuffer Download PDFInfo
- Publication number
- CN106763438A CN106763438A CN201710062999.6A CN201710062999A CN106763438A CN 106763438 A CN106763438 A CN 106763438A CN 201710062999 A CN201710062999 A CN 201710062999A CN 106763438 A CN106763438 A CN 106763438A
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- CN
- China
- Prior art keywords
- cushion dashpot
- motion
- dashpot
- fixed
- piston
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of hydraulic bjuffer, including oil cylinder seat, cushion dashpot, piston, rotary sleeve；Cushion dashpot is arranged in oil cylinder seat, and cushion dashpot includes fixed cushion dashpot and motion cushion dashpot；Fixed cushion dashpot is set in the inside of motion cushion dashpot, and fixed cushion dashpot and motion buffering cylinder surfaces offer throttle orifice and return port；Fixed cushion dashpot is used to store fluid, and fixed cushion dashpot is inner chamber with the hollow space that piston is formed；There is certain gap between motion cushion dashpot and oil cylinder seat, the gap uses to form exocoel as oil back chamber；Rotary sleeve is connected with motion cushion dashpot, for controlling the rotation of motion cushion dashpot, throttling number of perforations and size that regulation motion cushion dashpot and fixed cushion dashpot align；When piston is subject to the effect of power to being moved in cushion dashpot, fluid is compressed from inner chamber flows to exocoel through throttle orifice, then flows back to inner chamber by return port, to realize the circulation of fluid.
Description
Technical field
The present invention relates to a kind of hydraulic bjuffer, and in particular to actual conditions adjust the hydraulic cushion of cushion effect as needed
Device.
Background technology
Buffer is that one kind is extended for impact load, absorbs and convert the energy in impact load so as to reduce
The device of its adverse consequences, is widely used in the every field such as lifting transport, metallurgy, harbour machinery, rail truck, its property
Energy quality directly influences many factors such as machine service life, operating personnel's safety therefore aborning with extremely important
Status.
Buffer is broadly divided into mechanical spring type buffer, rubber from the angle of its core buffer element and simulated acid rain
Five classes such as formula buffer, air-cylinder type buffer, hydraulic bjuffer, the spring buffer of hydraulic pressure one.Wherein hydraulic bjuffer because its can
By most of impact energy by throttle orifice sorption enhanced for fluid heat energy and dissipate cause buffer efficiency and attenuation coefficient ratio
Traditional buffer is greatly improved and obtains the favor of more users.
Hydraulic bjuffer mainly uses the Incoercibility and mobility of fluid by the liquid in cavity volume is closed can
Variable volume chamber and the Incoercibility of and liquid can not be flowed between variable volume chamber carry gentle strategically important place to reach corresponding pressure
Ask.Hydraulic bjuffer stable working, absorbability is big, industrially has been widely used.
Traditional hydraulic bjuffer structure is fixed, and every kind of mechanism can only realize a kind of cushioning effect, and cushion effect can not be with
Working condition to be adjusted, and after working long hours in mechanism because the reasons such as oil leak may result under buffering effect
Drop.
The content of the invention
Purpose：It is slow by changing in order to overcome the deficiencies in the prior art, the present invention to provide a kind of hydraulic bjuffer
Break through throttling hole count that journey uses to reach the effect of regulation cushion effect, it is characterised in that the cushion dashpot of original mechanism is divided into two
Layer, one layer of fixation, one layer of rotation, there is the throttle orifice of different numbers and size in each face of motion cushion dashpot, and fixed cushion dashpot is only
There is a cribbing discharge orifice in a face.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of hydraulic bjuffer, including oil cylinder seat, cushion dashpot, piston, rotary sleeve；Cushion dashpot is arranged in oil cylinder seat, its feature
It is：The cushion dashpot includes fixed cushion dashpot and motion cushion dashpot；Fixed cushion dashpot is set in the inside of motion cushion dashpot,
Fixed cushion dashpot and motion buffering cylinder surfaces offer throttle orifice and return port, in fixed cushion dashpot and motion cushion dashpot
Throttle orifice/return port at least one corresponding formation communicating passage in ad-hoc location；
The fixed cushion dashpot is hollow container, and for storing fluid, the hollow space that fixed cushion dashpot is formed with piston is
Inner chamber；There is certain gap between motion cushion dashpot and oil cylinder seat, the gap uses to form exocoel as oil back chamber；
Rotary sleeve is connected with motion cushion dashpot, for controlling the rotation of motion cushion dashpot, regulation motion cushion dashpot and fixed buffering
The throttling number of perforations and size of cylinder alignment；When piston is subject to the effect of power to being moved in cushion dashpot, fluid is compressed from inner chamber
Exocoel is flowed to through throttle orifice, then inner chamber is flowed back to by return port, to realize the circulation of fluid.
Preferably, described hydraulic bjuffer, it is characterised in that：Motion cushion dashpot four sides offers throttling
Hole, and number；Only the one side position corresponding with motion cushion dashpot throttle orifice offers throttling to fixed cushion dashpot wherein
Hole, causes that number that the throttle orifices of two cushion dashpots align and size variation are slow to realize regulation by rotary motion cushion dashpot
The effect of impulse force.
Described hydraulic bjuffer, it is characterised in that：Piston includes piston head and the piston rod for being connected to piston head top,
Piston head is arranged on inside fixed cushion dashpot to be made to fix the sealing of cushion dashpot top.
Preferably, described hydraulic bjuffer, it is characterised in that：The rotary sleeve sets and is connected to motion buffering
The top of cylinder.
Preferably, described hydraulic bjuffer, it is characterised in that：Throttle orifice is arranged on the middle and lower part of cushion dashpot,
Return port is arranged on the top of cushion dashpot to the position on top.
Beneficial effect：The hydraulic bjuffer that the present invention is provided, two-layer is divided into by the cushion dashpot of original mechanism, one layer of fixation,
There is the throttle orifice of different numbers and size in one layer of rotation, each face of motion cushion dashpot, and fixed cushion dashpot only has one in a face
Cribbing discharge orifice, by rotational motion cushion dashpot, allows the throttling hole count on its surface to be alignd with the throttling hole count of fixed cushion dashpot, so that
Realize that buffer uses the throttle orifice of different numbers, cushion effect to reach variable effect in varied situations.Buffered by changing
The throttling hole count that process is used adjusts the effect of cushion effect to reach, and can adjust cushion effect according to the difference of actual conditions
Size, selects most suitable buffering effect, maximizes the performance of mechanism.Due to the flow restriction of throttle orifice, the speed of piston
It is restricted, reaches the effect of buffering, by cushion dashpot in hydraulic bjuffer（Motion）Rotation, adjust throttle orifice structure,
So that the cushion effect of this buffer is adjustable.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural model of cushion dashpot in the present invention；
In figure：Oil cylinder seat 1, cushion dashpot 2, fixed cushion dashpot 21, motion cushion dashpot 22, piston 3, rotary sleeve 4, throttle orifice 5, backflow
Hole 6, inner chamber 7, exocoel 8.
Specific embodiment
The present invention is further described with reference to specific embodiment.
As shown in figure 1, a kind of hydraulic bjuffer, including oil cylinder seat 1, cushion dashpot 2, piston 3, rotary sleeve 4；Cushion dashpot 2 is consolidated
It is scheduled in oil cylinder seat 1, the cushion dashpot 2 includes fixed cushion dashpot 21 and motion cushion dashpot 22；Fixed cushion dashpot 21 is set in fortune
The inside of dynamic cushion dashpot 22, fixed cushion dashpot 21 and motion cushion dashpot 22 correspondence position surface offer throttle orifice 5 and return port
6, the fixed cushion dashpot 21 is hollow container, for storing fluid, the hollow space that fixed cushion dashpot 21 is formed with piston 3
It is inner chamber 7；There is certain gap between motion cushion dashpot 22 and oil cylinder seat 1, the gap uses to form exocoel 8 as oil back chamber；
Rotary sleeve 4 is connected with motion cushion dashpot 2, for controlling the rotation of motion cushion dashpot 2, regulation motion cushion dashpot 22 and fixed buffering
The number of throttle orifice 5 and size of the alignment of cylinder 21；When piston 3 be subject to power effect to being moved in cushion dashpot when, fluid compressed from
Inner chamber 7 flows to exocoel 8 through throttle orifice 5, then flows back to inner chamber by return port 6, to realize the circulation of fluid.
Described hydraulic bjuffer, piston 3 includes piston head and is connected to the piston rod on piston head top, and piston head is set
Make to fix the sealing of the top of cushion dashpot 21 inside fixed cushion dashpot 21.
In the present embodiment, the rotary sleeve 4 sets the top for being connected to motion cushion dashpot 2.
Preferably, throttle orifice is arranged on the middle and lower part of cushion dashpot, and return port is arranged on top to the top of cushion dashpot
The position at end.
Fig. 2 show the structural model of cushion dashpot 2, and top is return port 6, and bottom is throttle orifice 5, moves the He of cushion dashpot 22
The difference of fixed cushion dashpot 21 is that there are throttle orifice, and number in the four sides of motion cushion dashpot 22, and fixes cushion dashpot
21 is only have throttle orifice in one side, causes that two throttle orifices of cushion dashpot align by rotary motion cushion dashpot, due to difference
In face of it is neat when, the number of the throttle orifice for playing a role is different so that the buffering effect of cushion dashpot is different.Simultaneous buffering device due to
When the reasons such as oil leak cause shock-absorbing capacity to decline, can be two throttle orifice relative dislocations of cushion dashpot so that effective throttleng surface
Product reduces, and cushion effect becomes big, plays certain adjustment effect.
The present invention is as follows using process：Before work, injecting oil liquid in inner chamber 7, when piston is subject to the effect of power to cushion dashpot
When interior mobile, fluid flows out from the throttle orifice 5 of motion cushion dashpot 22 and fixed both UNICOMs of cushion dashpot 21, is left to exocoel 8, leads to
The flow restriction for crossing throttle orifice 5 reaches buffering effect, and the fluid in exocoel is flowed back in inner chamber by return port 6.From fluid force
Angle analysis understand that the main structure parameters of influence buffer buffering effect have the coordinate in hole count, aperture and hole.Change section
The number of discharge orifice can realize the regulation of cushion effect, tackle different situations.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of hydraulic bjuffer, including oil cylinder seat, cushion dashpot, piston, rotary sleeve；Cushion dashpot is arranged in oil cylinder seat, and it is special
Levy and be：The cushion dashpot includes fixed cushion dashpot and motion cushion dashpot；Fixed cushion dashpot is set in the inside of motion cushion dashpot,
Fixed cushion dashpot and motion buffering cylinder surfaces offer throttle orifice and return port, in fixed cushion dashpot and motion cushion dashpot
Throttle orifice/return port at least one corresponding formation communicating passage in ad-hoc location；
The fixed cushion dashpot is hollow container, and for storing fluid, the hollow space that fixed cushion dashpot is formed with piston is
Inner chamber；There is certain gap between motion cushion dashpot and oil cylinder seat, the gap uses to form exocoel as oil back chamber；
Rotary sleeve is connected with motion cushion dashpot, for controlling the rotation of motion cushion dashpot, regulation motion cushion dashpot and fixed buffering
The throttling number of perforations and size of cylinder alignment；When piston is subject to the effect of power to being moved in cushion dashpot, fluid is compressed from inner chamber
Exocoel is flowed to through throttle orifice, then inner chamber is flowed back to by return port, to realize the circulation of fluid.
2. hydraulic bjuffer according to claim 1, it is characterised in that：Motion cushion dashpot four sides offers throttle orifice,
And number.
3. hydraulic bjuffer according to claim 2, it is characterised in that：Only one side is slow with motion wherein for fixed cushion dashpot
Rush the corresponding position of cylinder throttle orifice and offer throttle orifice, two throttle orifices pair of cushion dashpot are caused by rotary motion cushion dashpot
Neat number and size variation realize adjusting the effect of cushion effect.
4. hydraulic bjuffer according to claim 1, it is characterised in that：Piston includes piston head and is connected to the piston crown
The piston rod at end, piston head is arranged on inside fixed cushion dashpot to be made to fix the sealing of cushion dashpot top.
5. hydraulic bjuffer according to claim 1, it is characterised in that：The rotary sleeve sets and is connected to motion cushion dashpot
Top.
6. hydraulic bjuffer according to claim 1, it is characterised in that：Throttle orifice is arranged on the middle and lower part of cushion dashpot.
7. hydraulic bjuffer according to claim 1, it is characterised in that：Return port is arranged on top to the top of cushion dashpot
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062999.6A CN106763438B (en) | 2017-02-03 | 2017-02-03 | Hydraulic bjuffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062999.6A CN106763438B (en) | 2017-02-03 | 2017-02-03 | Hydraulic bjuffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763438A true CN106763438A (en) | 2017-05-31 |
| CN106763438B CN106763438B (en) | 2019-01-08 |
Family
ID=58956696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710062999.6A Active CN106763438B (en) | 2017-02-03 | 2017-02-03 | Hydraulic bjuffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763438B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477133A (en) * | 2017-10-18 | 2017-12-15 | 河南省汇隆精密设备制造股份有限公司 | A kind of single-piston rod hydraulic damper |
| CN108006142A (en) * | 2017-10-24 | 2018-05-08 | 武汉船用机械有限责任公司 | A kind of adjustable hydraulic damping buffer |
| CN112963484A (en) * | 2021-01-29 | 2021-06-15 | 华中科技大学 | Continuous gradual change throttling type hydraulic buffer device |
| CN113183904A (en) * | 2021-04-01 | 2021-07-30 | 苏州经贸职业技术学院 | Automobile anti-collision energy-absorbing assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1324259A (en) * | 1969-08-25 | 1973-07-25 | Mannesmann Ag | Pilger mill workpiece return devices |
| US4056040A (en) * | 1974-04-20 | 1977-11-01 | Hubert Fussangel | Shock absorber |
| JP2001023480A (en) * | 1999-07-13 | 2001-01-26 | Mitsubishi Electric Corp | Breaker |
| EP1293702A2 (en) * | 2001-09-13 | 2003-03-19 | ArvinMeritor Technology, LLC | Shock absorber assembly |
| CN206458763U (en) * | 2017-02-03 | 2017-09-01 | 国网江苏省电力公司电力科学研究院 | Hydraulic bjuffer |
-
2017
- 2017-02-03 CN CN201710062999.6A patent/CN106763438B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1324259A (en) * | 1969-08-25 | 1973-07-25 | Mannesmann Ag | Pilger mill workpiece return devices |
| US4056040A (en) * | 1974-04-20 | 1977-11-01 | Hubert Fussangel | Shock absorber |
| JP2001023480A (en) * | 1999-07-13 | 2001-01-26 | Mitsubishi Electric Corp | Breaker |
| EP1293702A2 (en) * | 2001-09-13 | 2003-03-19 | ArvinMeritor Technology, LLC | Shock absorber assembly |
| CN206458763U (en) * | 2017-02-03 | 2017-09-01 | 国网江苏省电力公司电力科学研究院 | Hydraulic bjuffer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477133A (en) * | 2017-10-18 | 2017-12-15 | 河南省汇隆精密设备制造股份有限公司 | A kind of single-piston rod hydraulic damper |
| CN108006142A (en) * | 2017-10-24 | 2018-05-08 | 武汉船用机械有限责任公司 | A kind of adjustable hydraulic damping buffer |
| CN112963484A (en) * | 2021-01-29 | 2021-06-15 | 华中科技大学 | Continuous gradual change throttling type hydraulic buffer device |
| CN113183904A (en) * | 2021-04-01 | 2021-07-30 | 苏州经贸职业技术学院 | Automobile anti-collision energy-absorbing assembly |
| CN113183904B (en) * | 2021-04-01 | 2021-11-05 | 苏州经贸职业技术学院 | Automobile anti-collision energy-absorbing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106763438B (en) | 2019-01-08 |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: PA Weier road Jiangning District of Nanjing City, Jiangsu Province, No. 1 211103 Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Research Institute Applicant after: State Grid Corporation of China Applicant after: XI'AN JIAOTONG University Address before: PA Weier road Jiangning District of Nanjing City, Jiangsu Province, No. 1 211103 Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY Research Institute Applicant before: State Grid Corporation of China Applicant before: Xi'an Jiaotong University |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Jinggang Inventor after: Liu Yuan Inventor after: Li Yujie Inventor after: Song Siqi Inventor after: Zhao Ke Inventor after: Li Hongtao Inventor after: Gao Shan Inventor after: Jia Yongyong Inventor after: Tao Jiagui Inventor after: Wang Jingjun Inventor after: Liu Tong Inventor after: ride the clouds Inventor before: Zhao Ke Inventor before: Yang Jinggang Inventor before: Li Hongtao Inventor before: Zhang Guogang Inventor before: Wu Yue Inventor before: Wang Jingjun Inventor before: Liu Tong Inventor before: Jia Yongyong |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180307 Address after: No. 243, Fenglou District, Nanjing, Jiangsu, Jiangsu Applicant after: JIANGSU ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Research Institute Applicant after: State Grid Corporation of China Applicant after: XI'AN JIAOTONG University Address before: PA Weier road Jiangning District of Nanjing City, Jiangsu Province, No. 1 211103 Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY Research Institute Applicant before: State Grid Corporation of China Applicant before: Xi'an Jiaotong University |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |