CN102530678A - Hydraulic buffer with pressure equalizer - Google Patents
Hydraulic buffer with pressure equalizer Download PDFInfo
- Publication number
- CN102530678A CN102530678A CN2012100423045A CN201210042304A CN102530678A CN 102530678 A CN102530678 A CN 102530678A CN 2012100423045 A CN2012100423045 A CN 2012100423045A CN 201210042304 A CN201210042304 A CN 201210042304A CN 102530678 A CN102530678 A CN 102530678A
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- Prior art keywords
- hydraulic
- equalization
- hydraulic oil
- actuating cylinder
- pressure
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- 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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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a hydraulic buffer with a pressure equalizer. The hydraulic buffer comprises a hydraulic device, a pressure equalizer device and a pipe connecting piece, wherein the hydraulic device comprises a plunger and an orifice; a hydraulic cylinder is filled with hydraulic oil; and when a car strikes the hydraulic buffer, the plunger of the hydraulic device moves downwards under the weight of the car and compresses the hydraulic oil in the hydraulic cylinder so that the hydraulic oil overflows through the orifice. According to the hydraulic buffer with the pressure equalizer disclosed by the invention, as the flowing area is suddenly reduced to form vortex, the mass points in the liquid strike and rub with each other, the kinetic energy is converted into heat energy of the hydraulic oil, the elevator is gradually stopped at certain deceleration, and the excessive hydraulic oil overflowing to the hydraulic cylinder through the orifice enters the equalizer through the pipe connecting piece.
Description
Technical field
The present invention relates to a kind of water bumper that has the equalization of pressure device, this kind water bumper can use on the elevator from level to vertical any angle operation.
Background technology
The application force of water bumper during stop is similar to constant, and plunger is approximate does uniformly retarded motion thereby make, and oleo gear is the damping that utilizes flow of liquid, alleviates the impact of car or counterweight, has good cushion characteristic.Under the identical situation of usage condition, the required stroke ratio spring bumper of oleo gear reduces half the, though the structure of various water bumpers is different, groundwork is identical.When car or counterweight cushion at collision, plunger moves downward, the oil in the compression cylinder; Make oil excessive through cutoff port, in stop car or counterweight process, its kinetic energy changes into the heat energy of oil; Promptly consumed the kinetic energy of elevator, elevator is stopped with certain deceleration/decel gradually.When car or counterweight left energy disperser, plunger upwards resetted under the effect of retracing spring.
Water bumper (hydraulic damper) borrows the hydraulic damping effect to carrying out buffer deceleration to stopping at railway carriage that doing coast.Energy disperser is the safety device of elevator end position.When elevator surmounts bottom or top layer; Car or counterweight cushion at collision, the energy by energy disperser absorption or consumption elevator stops thereby car or counterweight safety are decelerated to; General energy disperser all is arranged in the low hole, and the energy disperser that has is loaded on car or the operation thereupon of counterweight bottom.Therefore in pit, the bearing that highly is at least 0.5m must be set, forcibly driving elevator also should can be at the acting energy disperser of the upper limit position of stroke car top setting.As counterweight is housed, should, counterweight buffer just make the energy disperser action that is loaded on car upper after being compressed fully.Energy disperser is installed in the hoistway bottom, is last one safety guard of elevator, when the car cushion at collision, elevator is stopped gradually with certain deceleration/decel, guarantees elevator safety.
Summary of the invention
The object of the present invention is to provide a kind of water bumper that has the equalization of pressure device; Because flow area dwindles suddenly; Form eddy current, make the particle in the liquid clash into each other, rub, kinetic energy is changed into the heat energy of hydraulic oil; Elevator is stopped with certain deceleration/decel gradually, and excessive to outer hydraulic actuating cylinder and additional hydraulic oil gets into the balancer through conduit coupling from cutoff port.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of water bumper that has the equalization of pressure device comprises hydraulic efficiency gear, equalization of pressure apparatus and conduit coupling; Said hydraulic efficiency gear comprises plunger and cutoff port; In said hydraulic actuating cylinder, fill with hydraulic oil, this hydraulic efficiency gear is when car bump water bumper, and plunger moves downward under the weight of car; The hydraulic oil of hydraulic actuating cylinder in the compression, it is excessive to make hydraulic oil pass through cutoff port.
In preferred embodiment of the present invention, said hydraulic efficiency gear also comprises interior hydraulic actuating cylinder, outer hydraulic actuating cylinder, buffer rubber gasket, sealing member, travel switch and linear slide bar
In preferred embodiment of the present invention, in the described equalization of pressure apparatus, in balancer, inject the hydraulic oil and the pressure gas of certain value.
In preferred embodiment of the present invention, said equalization of pressure apparatus comprises balancer, gas injection valve, oil hole, liquid level mirror, fastener.
In preferred embodiment of the present invention, said cutoff port is excessive to outer hydraulic actuating cylinder and additional hydraulic oil gets in the balancer through conduit coupling.
A kind of water bumper that has the equalization of pressure device of the present invention; Because flow area dwindles suddenly; Form eddy current, make the particle in the liquid clash into each other, rub, kinetic energy is changed into the heat energy of hydraulic oil; Elevator is stopped with certain deceleration/decel gradually, and excessive to outer hydraulic actuating cylinder and additional hydraulic oil gets into the balancer through conduit coupling from cutoff port.
Description of drawings
Fig. 1 is the structural representation that has the water bumper of equalization of pressure device in the present invention's one preferred embodiment;
Each assembly and Reference numeral thereof are respectively among the figure: 1, plunger, 2, interior hydraulic actuating cylinder, 3, hydraulic oil, 4, outer hydraulic actuating cylinder; 5, cutoff port, 6, pressure gas, 7, the liquid level mirror, 8, balancer; 9, gas injection valve, 10, oil hole, 11, buffer rubber gasket; 12, linear slide bar, 13, travel switch, 14, conduit coupling.
The specific embodiment
Below only be the general introduction of technical scheme of the present invention, understand technological means of the present invention, and can implement, below technical scheme of the present invention is further described with a preferred embodiment and accompanying drawing according to the content of specification sheets in order can more to know.
Consult Fig. 1, this a kind of water bumper that has the equalization of pressure device, the said water bumper that has the equalization of pressure device comprises hydraulic efficiency gear, equalization of pressure apparatus and conduit coupling 14; Said hydraulic efficiency gear comprises plunger 1 and cutoff port 5; In said hydraulic actuating cylinder 2, fill with hydraulic oil 3, this hydraulic efficiency gear is when car bump water bumper, and plunger 1 moves downward under the weight of car; The hydraulic oil 3 of hydraulic actuating cylinder 2 in the compression makes hydraulic oil 3 excessive through cutoff port 5.
In one embodiment, a kind of water bumper that has the equalization of pressure device of the present invention, described water bumper comprises hydraulic efficiency gear, equalization of pressure apparatus, conduit coupling.Hydraulic efficiency gear comprises plunger 1, interior hydraulic actuating cylinder 2, outer hydraulic actuating cylinder 4, buffer rubber gasket 11, sealing member, travel switch 13, linear slide bar 12, fastener; The equalization of pressure apparatus comprises balancer, gas injection valve 9, oil hole 10, liquid level mirror 7, fastener; In hydraulic actuating cylinder, fill with hydraulic oil 3; And the interior hydraulic oil 3 and pressure gas 6 that injects certain value of balancer, in the described hydraulic efficiency gear, 2 fill with hydraulic oil 3 in hydraulic actuating cylinder.This device is when the car cushion at collision, and plunger 1 moves downward under weight (the being directed force F) effect of car, and the hydraulic oil 3 of hydraulic actuating cylinder 2 in the compression makes hydraulic oil 3 excessive through cutoff port 5.When hydraulic oil 3 passes through cutoff port 5; Because flow area dwindles suddenly, form eddy current, make the particle in the liquid clash into each other, rub; The heat energy that kinetic energy is changed into hydraulic oil 3 dissipates (kinetic energy that has promptly consumed elevator), and elevator is stopped with certain deceleration/decel gradually.And it is excessive to outer hydraulic actuating cylinder 4 and additional hydraulic oil 3 gets into the balancer 8 through conduit coupling 14 from cutoff port 5.
Further specify, in the described equalization of pressure apparatus, in balancer 8, inject the hydraulic oil 3 and pressure gas 6 of certain value.When car leaves energy disperser (directed force F disappearance), the hydraulic oil 3 that gets into balancer 8 turns back in the hydraulic actuating cylinder under the equilibrium of pressure effect of pressure gas 6, and the promotion plunger upwards resets to the normality position.Wherein the hydraulic pressure oil mass can be observed through liquid level mirror 7 under the prerequisite of not opening balancer 8.When hydraulic oil 3 liquid levels are higher than maxim, discharge unnecessary hydraulic oil; When liquid level is lower than minimum value, add through oil hole.Through gas injection valve 9, then inject the pressure gas 6 of certain pressure value, judge that the value of pressure gas 6 then obtains through manual test.The invention discloses a kind of water bumper that has the equalization of pressure device; Because flow area dwindles suddenly; Form eddy current, make the particle in the liquid clash into each other, rub, kinetic energy is changed into the heat energy of hydraulic oil; Elevator is stopped with certain deceleration/decel gradually, and excessive to outer hydraulic actuating cylinder and additional hydraulic oil gets into the balancer through conduit coupling from cutoff port.
The specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. water bumper that has the equalization of pressure device; It is characterized in that: comprise hydraulic efficiency gear, equalization of pressure apparatus and conduit coupling, said hydraulic efficiency gear comprises plunger and cutoff port, in said hydraulic actuating cylinder, fills with hydraulic oil; This hydraulic efficiency gear is when car bump water bumper; Plunger moves downward under the weight of car, the hydraulic oil of hydraulic actuating cylinder in the compression, and it is excessive to make hydraulic oil pass through cutoff port.
2. the water bumper that has the equalization of pressure device according to claim 1 is characterized in that: said hydraulic efficiency gear also comprises interior hydraulic actuating cylinder, outer hydraulic actuating cylinder, buffer rubber gasket, sealing member, travel switch and linear slide bar.
3. the water bumper that has the equalization of pressure device according to claim 1 is characterized in that: in the described equalization of pressure apparatus, in balancer, inject the hydraulic oil and the pressure gas of certain value.
4. the water bumper that has the equalization of pressure device according to claim 1 is characterized in that: said equalization of pressure apparatus comprises balancer, gas injection valve, oil hole, liquid level mirror, fastener.
5. the water bumper that has the equalization of pressure device according to claim 1 is characterized in that: said cutoff port is excessive to outer hydraulic actuating cylinder and additional hydraulic oil gets in the balancer through conduit coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100423045A CN102530678A (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100423045A CN102530678A (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102530678A true CN102530678A (en) | 2012-07-04 |
Family
ID=46338930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100423045A Pending CN102530678A (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102530678A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829687A (en) * | 2017-03-20 | 2017-06-13 | 尚圣杰 | Lift car air sac damping device |
| CN106865381A (en) * | 2017-03-20 | 2017-06-20 | 尚圣杰 | Elevator hoistways novel shock absorption device |
| CN106865380A (en) * | 2017-03-20 | 2017-06-20 | 尚圣杰 | Lift car water body damping device |
| CN110745666A (en) * | 2019-11-28 | 2020-02-04 | 张敏 | Elevator car with falling protection function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50127168U (en) * | 1974-04-01 | 1975-10-18 | ||
| JPH03120182A (en) * | 1989-10-02 | 1991-05-22 | Mitsubishi Electric Corp | Oil-immersed shock absorber of elevator |
| JP2005098424A (en) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | Oil-filled type damping device |
| CN101209793A (en) * | 2006-12-28 | 2008-07-02 | 株式会社日立制作所 | Elevator device |
| CN101679002A (en) * | 2007-08-31 | 2010-03-24 | 三菱电机株式会社 | Hydraulic shock absorber for elevator |
| CN201567127U (en) * | 2009-10-23 | 2010-09-01 | 中山逸东电梯部件有限公司 | Buffer for lift |
| CN202464982U (en) * | 2012-02-24 | 2012-10-03 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
-
2012
- 2012-02-24 CN CN2012100423045A patent/CN102530678A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50127168U (en) * | 1974-04-01 | 1975-10-18 | ||
| JPH03120182A (en) * | 1989-10-02 | 1991-05-22 | Mitsubishi Electric Corp | Oil-immersed shock absorber of elevator |
| JP2005098424A (en) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | Oil-filled type damping device |
| CN101209793A (en) * | 2006-12-28 | 2008-07-02 | 株式会社日立制作所 | Elevator device |
| CN101679002A (en) * | 2007-08-31 | 2010-03-24 | 三菱电机株式会社 | Hydraulic shock absorber for elevator |
| CN201567127U (en) * | 2009-10-23 | 2010-09-01 | 中山逸东电梯部件有限公司 | Buffer for lift |
| CN202464982U (en) * | 2012-02-24 | 2012-10-03 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829687A (en) * | 2017-03-20 | 2017-06-13 | 尚圣杰 | Lift car air sac damping device |
| CN106865381A (en) * | 2017-03-20 | 2017-06-20 | 尚圣杰 | Elevator hoistways novel shock absorption device |
| CN106865380A (en) * | 2017-03-20 | 2017-06-20 | 尚圣杰 | Lift car water body damping device |
| CN110745666A (en) * | 2019-11-28 | 2020-02-04 | 张敏 | Elevator car with falling protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Jinsong Inventor after: Li Yunbo Inventor after: Lu Huacheng Inventor before: Zhang Jinsong Inventor before: Li Yunbo Inventor before: Lu Xujie |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG JINSONG LI YUNBO LU XUJIE TO: ZHANG JINSONG LI YUNBO LU HUACHENG |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHANG LIFENG Free format text: FORMER OWNER: SUZHOU RHINE LIFT MANUFACTURE CO., LTD. Effective date: 20121213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121213 Address after: Suzhou City, Jiangsu province Changshou City 215500 yuanyangqiao Shanghu Town Industrial Park Applicant after: Zhang Lifeng Address before: Suzhou City, Jiangsu province Changshou City 215500 yuanyangqiao Shanghu Town Industrial Park Applicant before: Suzhou Rhine Lift Manufacture Co., Ltd. |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |