CN106763438B - Hydraulic bjuffer - Google Patents
Hydraulic bjuffer Download PDFInfo
- Publication number
- CN106763438B CN106763438B CN201710062999.6A CN201710062999A CN106763438B CN 106763438 B CN106763438 B CN 106763438B CN 201710062999 A CN201710062999 A CN 201710062999A CN 106763438 B CN106763438 B CN 106763438B
- Authority
- CN
- China
- Prior art keywords
- cushion dashpot
- movement
- dashpot
- throttle orifice
- cushion
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of hydraulic bjuffers, 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 movement cushion dashpot；Fixed cushion dashpot is set in the inside of movement cushion dashpot, and fixed cushion dashpot and movement buffering cylinder surfaces offer throttle orifice and return port；Fixed cushion dashpot is inner cavity for storing oil liquid, the hollow space that fixed cushion dashpot and piston are formed；There is certain gap between movement cushion dashpot and oil cylinder seat, which uses to form exocoel as oil back chamber；Rotary sleeve is connect with movement cushion dashpot, for controlling the rotation of movement cushion dashpot, adjusts throttling number of perforations and size that movement cushion dashpot is aligned with fixed cushion dashpot；When piston is moved by the effect of power into cushion dashpot, oil liquid, which is compressed, flows to exocoel from inner cavity through throttle orifice, then flows back to inner cavity by return port, to realize the circulation of oil liquid.
Description
Technical field
The present invention relates to a kind of hydraulic bjuffers, and in particular to actual conditions as needed adjust the hydraulic cushion of cushion effect
Device.
Background technique
Buffer is that one kind is extended for impact load, absorbs and converts the energy in impact load to reduce
The device of its adverse consequences is widely used in the every field such as lifting transport, metallurgy, harbour machinery, rail truck, property
Energy quality directly influences many factors such as machine service life, operator's safety therefore in production with extremely important
Status.
Buffer is broadly divided into mechanical spring type buffer, rubber type from the angle of its core buffer element and simulated acid rain
Five classes such as buffer, air-cylinder type buffer, hydraulic bjuffer, a hydraulic spring buffer.Wherein hydraulic bjuffer because its can will
Most of impact energy, which passes through the thermal energy that throttle orifice sorption enhanced is oil liquid and dissipates, to buffer efficiency and attenuation coefficient than passing
The buffer of system, which greatly improves, obtains the favor of more users.
Hydraulic bjuffer be mainly utilize oil liquid Incoercibility and mobility by closing cavity liquid 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
It asks.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 buffer function, and cushion effect can not be with
Working condition be adjusted, and may result under buffering effect due to oil leak etc. in mechanism after working long hours
Drop.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of hydraulic bjuffer, slow by changing
The throttling hole count that journey uses is broken through to achieve the effect that adjust 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 the movement each face of cushion dashpot, and fixes cushion dashpot only
There is a cribbing discharge orifice in a face.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of hydraulic bjuffer, including oil cylinder seat, cushion dashpot, piston, rotary sleeve；Cushion dashpot is arranged in oil cylinder seat,
Be characterized in that: the cushion dashpot includes fixed cushion dashpot and movement cushion dashpot；Fixed cushion dashpot is set in the interior of movement cushion dashpot
Portion,
Fixed cushion dashpot and movement buffering cylinder surfaces offer throttle orifice and return port, fixed cushion dashpot and movement cushion dashpot
In throttle orifice/return port in specific position at least one corresponding formation communicating passage；
The fixed cushion dashpot is hollow container, for storing oil liquid, the hollow portion that fixed cushion dashpot and piston are formed
It is divided into inner cavity；There is certain gap between movement cushion dashpot and oil cylinder seat, which uses to form exocoel as oil back chamber；
Rotary sleeve is connect with movement cushion dashpot, for controlling the rotation of movement cushion dashpot, adjusts movement cushion dashpot and fixation
The throttling number of perforations and size of cushion dashpot alignment；When piston is moved by the effect of power into cushion dashpot, oil liquid compressed from
Inner cavity flows to exocoel through throttle orifice, then flows back to inner cavity by return port, to realize the circulation of oil liquid.
Preferably, the hydraulic bjuffer, it is characterised in that: movement cushion dashpot four sides offers throttling
Hole, and number differs；Only one side position corresponding with movement cushion dashpot throttle orifice offers throttling to fixed cushion dashpot wherein
Hole, the number and size variation for by rotary motion cushion dashpot the throttle orifice of two cushion dashpots being aligned are delayed to realize to adjust
The effect of impulse force.
The hydraulic bjuffer, it is characterised in that: piston includes piston head and the piston rod for being connected to piston head top,
Piston head setting makes to seal at the top of fixed cushion dashpot inside fixed cushion dashpot.
Preferably, the hydraulic bjuffer, it is characterised in that: the rotary sleeve setting is connected to movement buffering
The top of cylinder.
Preferably, the hydraulic bjuffer, it is characterised in that: the middle and lower part of cushion dashpot is arranged in throttle orifice,
The top of cushion dashpot is arranged in the position on top in return port.
The utility model has the advantages that hydraulic bjuffer provided by the invention, the cushion dashpot of original mechanism is divided into two layers, one layer of fixation,
One layer of rotation, there is the throttle orifice of different numbers and size in the movement each face of cushion dashpot, and fixing cushion dashpot only has one in a face
Cribbing discharge orifice allows the throttling hole count on its surface and the throttling hole count of fixed cushion dashpot to be aligned by rotational motion cushion dashpot, thus
Realize that buffer uses the throttle orifice of different numbers in varied situations, cushion effect achievees the effect that variable.It is buffered by changing
The throttling hole count that process uses achievees the effect that adjust cushion effect, can difference according to the actual situation adjust cushion effect
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, has the function that buffering, by the rotation of cushion dashpot in hydraulic bjuffer (movement), adjust the structure of throttle orifice,
So that the cushion effect of this buffer is adjustable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present 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, movement cushion dashpot 22, piston 3, rotary sleeve 4, throttle orifice 5,
Return port 6, inner cavity 7, exocoel 8.
Specific embodiment
The present invention will be further explained combined with specific embodiments below.
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 solid
It is scheduled in oil cylinder seat 1, the cushion dashpot 2 includes fixed cushion dashpot 21 and movement cushion dashpot 22；Fixed cushion dashpot 21 is set in fortune
The inside of dynamic cushion dashpot 22, fixed cushion dashpot 21 and movement 22 corresponding position surface of cushion dashpot offer throttle orifice 5 and return port
6, the fixed cushion dashpot 21 is hollow container, for storing oil liquid, the hollow space that fixed cushion dashpot 21 is formed with piston 3
For inner cavity 7；There is certain gap between movement cushion dashpot 22 and oil cylinder seat 1, which uses to form exocoel 8 as oil back chamber；
Rotary sleeve 4 is connect with movement cushion dashpot 2, for controlling the rotation of movement cushion dashpot 2, is adjusted movement cushion dashpot 22 and is buffered with fixed
5 number of throttle orifice and size that cylinder 21 is aligned；When piston 3 is moved by the effect of power into cushion dashpot, oil liquid compressed from
Inner cavity 7 flows to exocoel 8 through throttle orifice 5, then flows back to inner cavity by return port 6, to realize the circulation of oil liquid.
The hydraulic bjuffer, piston 3 include piston head and the piston rod for being connected to piston head top, piston head setting
Make to seal at the top of fixed cushion dashpot 21 inside fixed cushion dashpot 21.
In the present embodiment, the top for being connected to movement cushion dashpot 2 is arranged in the rotary sleeve 4.
Preferably, the middle and lower part of cushion dashpot is arranged in throttle orifice, and top to the top of cushion dashpot is arranged in return port
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 22 He of cushion dashpot
Fixed cushion dashpot 21 the difference is that, there is throttle orifice at 22 four sides of movement cushion dashpot, and number differs, and fixes cushion dashpot
21 are only to have throttle orifice on one side, by rotary motion cushion dashpot the throttle orifice of two cushion dashpots are aligned, due to difference
In face of it is neat when, the number of the throttle orifice to play a role is different, so that the buffering effect of cushion dashpot is different.Simultaneous buffering device due to
It, can be the throttle orifice relative dislocation of two cushion dashpots, so that effective throttleng surface when the reasons such as oil leak cause cushion performance to decline
Product reduces, and cushion effect becomes larger, and plays certain adjustment effect.
The present invention use process is as follows: before work, injecting oil liquid in inner cavity 7, when piston by power effect to cushion dashpot
When interior mobile, oil liquid is flowed out from the throttle orifice 5 of the connection of 21 the two of movement cushion dashpot 22 and fixed cushion dashpot, is left to exocoel 8, is led to
The flow restriction for crossing throttle orifice 5 reaches buffering effect, and the oil liquid in exocoel is flowed back in inner cavity by return port 6.From fluid force
Angle analysis has hole count, aperture and the coordinate in hole it is found that influencing the main structure parameters of buffer buffering effect.Change section
The adjusting of cushion effect may be implemented in the number of discharge orifice, copes with different situations.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of hydraulic bjuffer, including oil cylinder seat, cushion dashpot, piston, rotary sleeve；Cushion dashpot is arranged in oil cylinder seat, special
Sign is: the cushion dashpot includes fixed cushion dashpot and movement cushion dashpot；Fixed cushion dashpot is set in the inside of movement cushion dashpot,
Fixed cushion dashpot and movement buffering cylinder surfaces offer throttle orifice and return port, fix in cushion dashpot and movement cushion dashpot
Throttle orifice/return port at least one corresponding formation communicating passage in specific position；
The fixed cushion dashpot is hollow container, and for storing oil liquid, the hollow space that fixed cushion dashpot is formed with piston is
Inner cavity；There is certain gap between movement cushion dashpot and oil cylinder seat, which uses to form exocoel as oil back chamber；
Rotary sleeve is connect with movement cushion dashpot, for controlling the rotation of movement cushion dashpot, is adjusted movement cushion dashpot and is buffered with fixed
The throttling number of perforations and size of cylinder alignment；When piston is moved by the effect of power into cushion dashpot, oil liquid is compressed from inner cavity
Exocoel is flowed to through throttle orifice, then inner cavity is flowed back to by return port, to realize the circulation of oil liquid；
Movement cushion dashpot four sides offers throttle orifice, and number differs；Only one side buffers fixed cushion dashpot with movement wherein
The corresponding position of cylinder throttle orifice offers throttle orifice, by rotary motion cushion dashpot the throttle orifice of two cushion dashpots is aligned
Number and size variation, come realize adjust cushion effect effect.
2. 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 setting make to seal at the top of fixed cushion dashpot inside fixed cushion dashpot.
3. hydraulic bjuffer according to claim 1, it is characterised in that: the rotary sleeve setting is connected to movement cushion dashpot
Top.
4. hydraulic bjuffer according to claim 1, it is characterised in that: the middle and lower part of cushion dashpot is arranged in throttle orifice.
5. hydraulic bjuffer according to claim 1, it is characterised in that: top to the top of cushion dashpot is arranged in return port
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 CN106763438A (en) | 2017-05-31 |
| CN106763438B true 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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477133B (en) * | 2017-10-18 | 2019-09-17 | 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 |
| CN112121671A (en) * | 2019-06-24 | 2020-12-25 | 扬州市海诚生物技术有限公司 | Effectual machine that mixes of shock attenuation |
| CN112963484A (en) * | 2021-01-29 | 2021-06-15 | 华中科技大学 | Continuous gradual change throttling type hydraulic buffer device |
| CN112893801A (en) * | 2021-03-05 | 2021-06-04 | 中山市慧荣金属制品有限公司 | Centralized processing system for metal die-casting solution |
| CN113183904B (en) * | 2021-04-01 | 2021-11-05 | 苏州经贸职业技术学院 | Automobile anti-collision energy-absorbing assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1943978A1 (en) * | 1969-08-25 | 1971-03-11 | Mannesmann Ag | Catcher for pilgrim tread mill |
| CH588646A5 (en) * | 1974-04-20 | 1977-06-15 | Fussangel Hubert | |
| JP2001023480A (en) * | 1999-07-13 | 2001-01-26 | Mitsubishi Electric Corp | Breaker |
| US6648109B2 (en) * | 2001-09-13 | 2003-11-18 | Meritor Heavy Vehicle Technology, Llc | Adjustable shock absorber |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN106763438A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106763438B (en) | Hydraulic bjuffer | |
| CN107339360B (en) | A kind of undercarriage buffer | |
| CN108894347B (en) | A kind of magnetorheological intelligent tuning vibration absorber of half active | |
| CN105605141B (en) | The magnetorheological damping shock absorber that a kind of multi-cartridge can cooperate | |
| CN206458765U (en) | A kind of automobile absorber damper piston | |
| CN204458962U (en) | A kind of automobile absorber | |
| WO2020200278A1 (en) | Hydraulic shock absorption piston having adjustable damping, and hydraulic shock absorber | |
| CN101963201A (en) | Suspended load discharge tuned damper | |
| CN204284289U (en) | A kind of amplitude selects vibration damper | |
| CN204174776U (en) | A kind of piston cantilever impact type tuned mass damper, TMD | |
| CN206458763U (en) | Hydraulic bjuffer | |
| CN207261552U (en) | One kind automatic adjustment damping device | |
| CN2835699Y (en) | Hydro-pneumatic buffer | |
| CN113864381A (en) | Biconical asymmetric force magnetorheological damper | |
| CN203477160U (en) | Hydraulic shock absorber with active adjustable damping | |
| CN110439951A (en) | Emergency management and rescue vehicle integrated form semi-active suspension hydraulic actuator | |
| CN106151357A (en) | A kind of rigidity and damp adjustable bullet train half active air suspension arrangement | |
| CN206159355U (en) | Automobile shock absorber ware with buffer gear | |
| CN205503852U (en) | Binocular hydraulic damper with mend oil in time, fully | |
| CN209385429U (en) | A kind of plunger case of built-in buffer structure | |
| CN204900652U (en) | Shock absorber, shock absorber suspension system and use vehicle of this shock absorber | |
| CN207093647U (en) | A kind of damper with big damping diclinic hole piston valve system | |
| CN112253668A (en) | Adjustable low-speed rebound damping structure of shock absorber | |
| CN209083889U (en) | A kind of external damping regulating valve applied to automobile absorber | |
| CN202883868U (en) | Magnetic levitation adjustable damper |
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 |
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 |
|
| CB02 | Change of applicant 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 |
|
| CB03 | Change of inventor or designer information | ||
| 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 |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |