CN202464982U - Hydraulic buffer with pressure equalizer - Google Patents
Hydraulic buffer with pressure equalizer Download PDFInfo
- Publication number
- CN202464982U CN202464982U CN2012200606056U CN201220060605U CN202464982U CN 202464982 U CN202464982 U CN 202464982U CN 2012200606056 U CN2012200606056 U CN 2012200606056U CN 201220060605 U CN201220060605 U CN 201220060605U CN 202464982 U CN202464982 U CN 202464982U
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- Prior art keywords
- hydraulic
- equalization
- hydraulic oil
- actuating cylinder
- pressure
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Abstract
The utility model discloses a hydraulic buffer with a pressure equalizer. The hydraulic buffer comprises a hydraulic device, a pressure equalizer device and a pipeline connecting piece, wherein the hydraulic device comprises a plunger and a throttling hole; hydraulic oil is full of a hydraulic cylinder; when a car comes into collision with the hydraulic buffer, the plunger of the hydraulic device moves downward under the effect of the weight of the car so as to compress the hydraulic oil in the hydraulic cylinder, so that the hydraulic oil overflows out through the throttling hole. The utility model discloses the hydraulic buffer with the pressure equalizer; as the flowing area is suddenly reduced to form a swirling flow, mass points in the liquid are in collision and friction with each other so as to convert kinetic energy into thermal energy of the hydraulic oil, so that an elevator is gradually stopped at a certain deceleration; and the hydraulic oil overflowing from the throttling hole into an outer hydraulic cylinder enters the equalizer through the pipeline connecting piece.
Description
Technical field
The utility model relates to a kind of water bumper that has the equalization of pressure device, and 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.
The utility model content
The purpose of the utility model 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 utility model 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 utility model, 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 utility model, 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 utility model, said equalization of pressure apparatus comprises balancer, gas injection valve, oil hole, liquid level mirror, fastener.
In preferred embodiment of the utility model, 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 utility model; 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 utility model 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
It below only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of specification sheets, below be further described with a preferred embodiment and accompanying drawing technical scheme to the utility model.
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 utility model, 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 utility model 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 utility model; But the protection domain of the utility model is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the utility model disclosed; Variation or the replacement that can expect without creative work all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model 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 |
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CN2012200606056U CN202464982U (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
Applications Claiming Priority (1)
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CN2012200606056U CN202464982U (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
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CN202464982U true CN202464982U (en) | 2012-10-03 |
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CN2012200606056U Expired - Lifetime CN202464982U (en) | 2012-02-24 | 2012-02-24 | Hydraulic buffer with pressure equalizer |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102530678A (en) * | 2012-02-24 | 2012-07-04 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
CN104444685A (en) * | 2014-12-23 | 2015-03-25 | 苏州施耐德电梯有限公司 | Elevator emergency buffering device |
CN104627774A (en) * | 2014-12-23 | 2015-05-20 | 苏州施耐德电梯有限公司 | Forced landing protection device of elevator |
CN112707264A (en) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | Elevator accidental impact damping method based on gas-liquid mixing |
CN112707263A (en) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | Bottom impact-proof system of elevator |
-
2012
- 2012-02-24 CN CN2012200606056U patent/CN202464982U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102530678A (en) * | 2012-02-24 | 2012-07-04 | 苏州莱茵电梯制造有限公司 | Hydraulic buffer with pressure equalizer |
CN104444685A (en) * | 2014-12-23 | 2015-03-25 | 苏州施耐德电梯有限公司 | Elevator emergency buffering device |
CN104627774A (en) * | 2014-12-23 | 2015-05-20 | 苏州施耐德电梯有限公司 | Forced landing protection device of elevator |
CN112707264A (en) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | Elevator accidental impact damping method based on gas-liquid mixing |
CN112707263A (en) * | 2021-01-27 | 2021-04-27 | 陕西省特种设备检验检测研究院 | Bottom impact-proof system of elevator |
CN112707264B (en) * | 2021-01-27 | 2022-04-05 | 陕西省特种设备检验检测研究院 | Elevator accidental impact damping method based on gas-liquid mixing |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Suzhou City, Jiangsu province Changshou City 215500 yuanyangqiao Shanghu Town Industrial Park Patentee after: SUZHOU HUBSCHMANN RHEIN ELEVATOR CO., LTD. Address before: Suzhou City, Jiangsu province Changshou City 215500 yuanyangqiao Shanghu Town Industrial Park Patentee before: Suzhou Rhine Lift Manufacture Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
CX01 | Expiry of patent term |