CN107514438A - A kind of two-way hydraulic buffer - Google Patents
A kind of two-way hydraulic buffer Download PDFInfo
- Publication number
- CN107514438A CN107514438A CN201610582696.2A CN201610582696A CN107514438A CN 107514438 A CN107514438 A CN 107514438A CN 201610582696 A CN201610582696 A CN 201610582696A CN 107514438 A CN107514438 A CN 107514438A
- Authority
- CN
- China
- Prior art keywords
- piston
- rod
- head
- cavity
- moving spring
- 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
- 238000013016 damping Methods 0.000 claims abstract description 36
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/185—Bitubular units
-
- 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
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
-
- 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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A kind of two-way hydraulic buffer, including stretching Buffer Unit, compression Buffer Unit；The stretching Buffer Unit includes stretch rod, and back-moving spring two is set with outside stretch rod, has sealed chamber in the middle part of stretch rod, piston cavity is placed in sealed chamber, and piston cavity is built with damping fluid；The compression Buffer Unit includes piston rod, is set with back-moving spring one outside piston rod, the piston rod afterbody stretched into cushion chamber is equipped with piston, and piston cavity is divided into rod chamber, rodless cavity by piston；Have between the sealed chamber and piston cavity for being communicated with rod cavity and rodless cavity buffer channel or cushion chamber.Compared with prior art, using back-moving spring, buffer two-way automatic reset in the loaded state is realized in assembling to the present invention in opposite directions, can be applied in the loaded state rely on hydraulic bjuffer reset itself operating mode, while using split-type structural effectively solve existing buffer can not bidirectional damper buffering the shortcomings that.
Description
Technical field
The present invention relates to a kind of buffer.
Background technology
At present, various engineer equipments are just towards high speed, big load, the development of high-precision densification, and equipment is increasingly strict for the control accuracy requirement of vibration, and buffer can slow down the impact that equipment operation occurs.In the market application hydraulic bjuffer is mainly check configuration, and equipment operation only produces damping in single direction and forms buffering, and does not possess auto-reset function under load condition.Meanwhile existing product can not set buffer requirements according to damping operating mode or load.With the fast development of various professional equipments, existing one-way damper can not meet the damping of some special equipments and buffer requirements.
The content of the invention
The invention aims to overcome the above-mentioned deficiency of prior art, and it is the two-way hydraulic buffer for realizing auto-reset function under bidirectional buffering and load behavior to provide a kind of.
The technical scheme is that：Including stretching Buffer Unit, compression Buffer Unit；The stretching Buffer Unit includes stretch rod, and back-moving spring two is set with outside stretch rod, has sealed chamber in the middle part of stretch rod, piston cavity is placed in sealed chamber, and piston cavity is built with damping fluid；The compression Buffer Unit includes piston rod, is set with back-moving spring one outside piston rod, the piston rod afterbody stretched into cushion chamber is equipped with piston, and piston cavity is divided into rod chamber, rodless cavity by piston；Have between the sealed chamber and piston cavity for being communicated with rod cavity and rodless cavity buffer channel or cushion chamber.
More than one damping hole screw is equipped with the rod chamber wall, rodless cavity wall, different size damping hole is adapted on damping hole screw, buffer channel connects rod chamber and rodless cavity through damping hole.
Loaded in housing, the housing includes cylinder, the end cap loaded on cylinder both ends for the stretching Buffer Unit, compression Buffer Unit；The stretching club head stretches out from shell one end, and the piston rod head stretches out from the housing other end.
The piston rod head stretches out through piston head from housing.
The piston head is step, including the small head being placed in outside the enlarged head in housing, stretching and housing；Enlarged head sets annular groove, and copper liner is provided with annular groove, and copper liner is formed by built-up welding, to reduce piston head operation frictional resistance；Sealing ring one is housed between small head and housing；Sealing ring two is housed between stretching club head and housing.
Defining flange one is provided with the housing, the stretch rod outer wall is provided with the defining flange two corresponding with defining flange one；The one end of back-moving spring two offsets with end cap, and the other end of back-moving spring two offsets with defining flange two；The one end of back-moving spring one offsets with piston head-tail, and the other end of back-moving spring one offsets with defining flange one.
The stretching boom end is provided with blind hole, and seal head, which is housed, at blind hole aperture forms sealed chamber；The seal head at blind hole aperture with being equipped with sealing ring three.
The blind pore wall is built-in with accumulation of energy medium.
The piston outer wall is provided with least one neck, and an at least piston ring is loaded in neck.
The back-moving spring two, back-moving spring one are disk spring.
The present invention slows down rigid collision in the process of running for various engineer equipments, and the present invention can be according to regulating working conditions damping parameter, so as to meet the bumper and absorbing shock under different loads impact.Compared with prior art, the invention has the advantages that：First, damping screw is assembled on piston cavity in the present invention, each damping screw is furnished with dimension damping hole, can be according to applying working condition interchange assemble within the specific limits.Damping screw is not only adapted to the multifarious requirement of operating mode, can also improve the service life of plunger shaft.Damping hole only needs to change damping screw when damaging, and the maintenanceability of product greatly improves.Secondly, by being arranged on the dish-shaped-spring stack of front and back end, buffer two-way automatic reset in the loaded state is realized in assembling to the present invention in opposite directions, can be applied in the loaded state rely on hydraulic bjuffer reset itself operating mode, while using split-type structural effectively solve existing buffer can not bidirectional damper buffering the shortcomings that.On the other hand, the present invention is resetted using disk spring, effectively solves the fragile problem of common cylinder spring, while using the Combination Design of two kinds of functional characteristics of its buffering and carrying, buffer appearance and size is greatly reduced, saves installing space.Again, the present invention uses dual-active plug ring sealing structure, and traditional face contact type is optimized for into line contact type, increases point in sealing contact, effectively solves the problems, such as face contact type oil leak.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of piston cavity.
Fig. 3 is the structural representation of damping screw.
Fig. 4 is Fig. 3 top view.
Fig. 5 is the structural representation of dual-active plug ring sealing.
Embodiment
In Fig. 1,2,3,4, the invention mainly comprises piston head 1, end cap 2, piston rod 3, disk spring I（Also referred to as back-moving spring one）4th, seal head 5, seal 6, piston 7, piston cavity 8, disk spring II（Also referred to as back-moving spring two）9th, stretch rod 10, damping screw 11, damping fluid 12, piston ring 13, accumulation of energy medium 14, cylinder 15.Disk spring I 4 and the mounted in pairs of disk spring II 9, disk spring material select according to damping operating mode.Stretch rod 10 is bonded by disk spring II 9, end cap 2 with cylinder 15.Disk spring I 4 is fixed by piston head 1 and the installation of cylinder 15, and disk spring II 9 is fixed by end cap 2 and the installation of stretch rod 10.With piston rod 3 using being threadedly coupled, piston head 1 assembles piston head 1 with the gap of cylinder 15.Coordinated between piston 7 and piston cavity 8 using the sealing of dual-active plug ring 13, traditional face contact type is optimized for line contact type, increases seal point, completely solves oil leak problem existing for existing damper.Damping fluid 12 is full of piston cavity 8, a series of damping screws 11 are assembled on piston cavity 8, damping screw 11 uses thread connection, the different damping hole of damping screw adaptation diameter with piston cavity 8, it can within the specific limits be adjusted according to damping operating mode, need to only change damping screw and can be achieved.Cushion chamber is set between piston cavity 8 and stretch rod 10, and accumulation of energy medium built in cushion chamber, accumulation of energy medium material is acid/alkali-resistant rubber or sponge, can effectively make up rod chamber because of Volume Changes caused by operation, reduce inside and outside differential pressure.End cap 2 is provided with sealing ring by thread connection, end cap 2 with cylinder 8 with piston head 1, stretch rod 10.Seal head 5 is coupled with stretch rod 10 by tapered thread, meanwhile, seal 6 is assembled between seal head 5 and piston rod 3.
In Fig. 5, piston ring neck at two is set, piston ring 13 is assemblied in neck, also can only set a big neck, two row of piston ring 13 assemblings as needed on piston 7.
The course of work of the present invention is as follows：
When buffer is by left side compression shock, piston head 1 promotes piston 7 to move by compressing disk spring I 4, while aperture flows out so as to play cushioning effect damping fluid 11 along piston cavity 8 under the compression of piston 7.When the velocity attenuation of piston 7 is 0, now disk spring I 4 is in compressive state, and piston head 1 recovers initial position in the presence of disk spring I 4.
When buffer is by right side tension impact, piston head 1, cylinder 13, piston rod remain stationary as, and the lateral movement to the right of stretch rod 10 simultaneously departs from cylinder 13, while compresses disk spring II 9.Plunger shaft damping fluid volume gradually increases, and damping fluid enters rodless cavity so as to realize damping buffering by piston rod chamber.When the movement velocity rate of decay of stretch rod 10 is zero, in the presence of disk spring II 9 is compressed, stretch rod 10 resets and is bonded with cylinder 14.
Claims (10)
- A kind of 1. two-way hydraulic buffer, it is characterised in that：Including stretching Buffer Unit, compression Buffer Unit；The stretching Buffer Unit includes stretch rod（10）, stretch rod（10）It is set with back-moving spring two outside（9）, stretch rod（10）There are sealed chamber, piston cavity in middle part（8）It is placed in sealed chamber, piston cavity（8）Built with damping fluid（12）；The compression Buffer Unit includes piston rod（3）, piston rod（3）It is set with back-moving spring one outside（4）, the piston rod that stretches into cushion chamber（3）Afterbody is equipped with piston（7）, piston（7）By piston cavity（8）It is divided into rod chamber, rodless cavity；The sealed chamber and piston cavity（8）Between have for being communicated with rod cavity and rodless cavity buffer channel or cushion chamber.
- 2. two-way hydraulic buffer according to claim 1, it is characterised in that：It is equipped with more than one damping hole screw on the rod chamber wall, rodless cavity wall, damping hole on damping hole screw, buffer channel connects rod chamber and rodless cavity through damping hole.
- 3. two-way hydraulic buffer according to claim 1, it is characterised in that：Loaded in housing, the housing includes cylinder for the stretching Buffer Unit, compression Buffer Unit（15）, loaded on cylinder（15）The end cap at both ends；The stretch rod（10）Head is stretched out from shell one end, the piston rod（3）Head is stretched out from the housing other end.
- 4. two-way hydraulic buffer according to claim 3, it is characterised in that：The piston rod（3）Head is through piston head（1）Stretched out from housing.
- 5. two-way hydraulic buffer according to claim 4, it is characterised in that：The piston head（1）For step, including the small head being placed in outside the enlarged head in housing, stretching and housing；Enlarged head sets annular groove, and copper liner is provided with annular groove；Sealing ring one is housed between small head and housing；Stretch rod（10）Sealing ring two is housed between head and housing.
- 6. two-way hydraulic buffer according to claim 5, it is characterised in that：Defining flange one, the stretch rod are provided with the housing（10）Outer wall is provided with the defining flange two corresponding with defining flange one；Back-moving spring two（9）One end offsets with end cap, back-moving spring two（9）The other end offsets with defining flange two；Back-moving spring one（4）One end and piston head（1）Afterbody offsets, back-moving spring one（4）The other end offsets with defining flange one.
- 7. two-way hydraulic buffer according to claim 1, it is characterised in that：The stretch rod（10）End is provided with blind hole, and seal head is housed at blind hole aperture（5）Form sealed chamber；The seal head（5）With being equipped with sealing ring three at blind hole aperture.
- 8. two-way hydraulic buffer according to claim 7, it is characterised in that：The blind pore wall is built-in with accumulation of energy medium.
- 9. two-way hydraulic buffer according to claim 1, it is characterised in that：The piston（7）Outer wall is provided with least one neck, at least a piston ring（13）Loaded in neck.
- 10. two-way hydraulic buffer according to claim 1, it is characterised in that：The back-moving spring two（9）, back-moving spring one（4）For disk spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582696.2A CN107514438A (en) | 2016-07-23 | 2016-07-23 | A kind of two-way hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582696.2A CN107514438A (en) | 2016-07-23 | 2016-07-23 | A kind of two-way hydraulic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107514438A true CN107514438A (en) | 2017-12-26 |
Family
ID=60721517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610582696.2A Pending CN107514438A (en) | 2016-07-23 | 2016-07-23 | A kind of two-way hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107514438A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120455A (en) * | 2019-12-24 | 2020-05-08 | 安徽博微联控科技有限公司 | Quick-insertion and time-delay separation device |
| CN114542644A (en) * | 2022-01-25 | 2022-05-27 | 天津大学 | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW340591U (en) * | 1998-02-07 | 1998-09-11 | shi-wen Chen | Two-way synchronous single hydraulic cylinder |
| CN2426930Y (en) * | 2000-03-17 | 2001-04-18 | 东南大学 | Engineering structure damping fluid bumper |
| CN101737376A (en) * | 2009-11-03 | 2010-06-16 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating hydraulic buffer |
| CN202531717U (en) * | 2012-03-28 | 2012-11-14 | 南京理工大学 | Damping hole fine-adjustable hydraulic buffer |
| DE102014200118A1 (en) * | 2013-01-17 | 2014-07-17 | Ford Global Technologies, Llc | Spring and damping device with a coil spring element and a rubber spring element |
| CN204083029U (en) * | 2014-02-21 | 2015-01-07 | 温州泓力达自动化设备有限公司 | Reassembling type two-way hydraulic buffer |
| CN105041957A (en) * | 2015-07-13 | 2015-11-11 | 常州市达文电动车辆配件厂 | Spring air pressure damping shock absorber |
| CN204900642U (en) * | 2015-07-18 | 2015-12-23 | 新乡市佳泰橡塑设备配件有限公司 | Two -way hydraulic absorber |
| CN205877053U (en) * | 2016-07-23 | 2017-01-11 | 襄阳博亚精工装备股份有限公司 | Two -way hydraulic absorber |
-
2016
- 2016-07-23 CN CN201610582696.2A patent/CN107514438A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW340591U (en) * | 1998-02-07 | 1998-09-11 | shi-wen Chen | Two-way synchronous single hydraulic cylinder |
| CN2426930Y (en) * | 2000-03-17 | 2001-04-18 | 东南大学 | Engineering structure damping fluid bumper |
| CN101737376A (en) * | 2009-11-03 | 2010-06-16 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating hydraulic buffer |
| CN202531717U (en) * | 2012-03-28 | 2012-11-14 | 南京理工大学 | Damping hole fine-adjustable hydraulic buffer |
| DE102014200118A1 (en) * | 2013-01-17 | 2014-07-17 | Ford Global Technologies, Llc | Spring and damping device with a coil spring element and a rubber spring element |
| CN204083029U (en) * | 2014-02-21 | 2015-01-07 | 温州泓力达自动化设备有限公司 | Reassembling type two-way hydraulic buffer |
| CN105041957A (en) * | 2015-07-13 | 2015-11-11 | 常州市达文电动车辆配件厂 | Spring air pressure damping shock absorber |
| CN204900642U (en) * | 2015-07-18 | 2015-12-23 | 新乡市佳泰橡塑设备配件有限公司 | Two -way hydraulic absorber |
| CN205877053U (en) * | 2016-07-23 | 2017-01-11 | 襄阳博亚精工装备股份有限公司 | Two -way hydraulic absorber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120455A (en) * | 2019-12-24 | 2020-05-08 | 安徽博微联控科技有限公司 | Quick-insertion and time-delay separation device |
| CN111120455B (en) * | 2019-12-24 | 2024-04-30 | 安徽博微联控科技有限公司 | Quick inserting and time-delay separating device |
| CN114542644A (en) * | 2022-01-25 | 2022-05-27 | 天津大学 | Three-dimensional shock absorption, isolation and anti-swing device with replaceable damping part |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |