CN108190683A - A kind of elevator multi-stage buffer - Google Patents
A kind of elevator multi-stage buffer Download PDFInfo
- Publication number
- CN108190683A CN108190683A CN201711315585.6A CN201711315585A CN108190683A CN 108190683 A CN108190683 A CN 108190683A CN 201711315585 A CN201711315585 A CN 201711315585A CN 108190683 A CN108190683 A CN 108190683A
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- China
- Prior art keywords
- cylinder seat
- seat
- master cylinder
- plunger
- buffer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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Abstract
The invention discloses a kind of elevator multi-stage buffers, it is related to the buffer unit technical field of lift car, including bottom plate, bottom plate upper surface is provided with first-level buffer component, including master cylinder seat, master cylinder seat bottom end offers multiple oil outlets, is slid vertically in master cylinder seat top and is provided with main plunger, one end of main plunger towards master cylinder seat offers restriction；Level 2 buffering component, including multiple secondary cylinder seats, secondary cylinder seat bottom end offers oil inlet, is slid vertically in secondary cylinder seat top and is provided with time plunger；Transition components, the conversion seat including connection oil outlet and oil inlet, are staggeredly equipped with check valve and direct current channel in conversion seat.When car falls, first-level buffer component and level 2 buffering component successively play cushioning effect.Multi-buffer improves whole buffer capacity, while also more steady to the support of car, and the whole height of the present invention is low, and movement travel is short, easy for installation, and link good buffer effect, stronger to the adaptability of well pit.
Description
Technical field
The present invention relates to the buffer unit technical field of lift car, more specifically, it relates to which a kind of elevator is multistage
Buffer.
Background technology
In operation, due to safety tongs failure, traction race frictional force is insufficient, brake sticking brake power is insufficient, traction machine for elevator
The reasons such as there was a mechanical failure, control system failure, car can surmount terminal stop bottom, and fall entrance with higher speed
Well pit causes elevator to be damaged.It thus needs buffer to be installed, and require its solid and reliable in hoistway melt pit, carry
Impact capacity is strong, and bottom is directly hit to avoid lift car or is rushed to summit, and protects passenger or transports the safety of cargo and lift facility.
In view of the above-mentioned problems, patent announcement number is the Chinese patent of CN102649524A, it is proposed that a kind of elevator hydraulic pressure
Buffer, including：Pedestal hydraulic cylinder is vertically arranged with pin rod in its bottom surface；Intermediate plunger is provided in its bottom surface and is passed through for pin rod
Intert into opening；Upper stage plunger is provided with the small throttle orifice of size ratio opening in its bottom surface；And the shell of hollow form,
With airport, and the shell is mounted on the upper side of upper stage plunger.In the position of the bottom side by shell of upper stage plunger,
The intercommunicating pore for connecting upper stage plunger with shell is provided with, is fixed with inside of the housing and the inside of the shell is divided
Spacing board.
In above-mentioned patent installation process, need performance to be selected to close according to the load-bearing capacity and hoistway length of elevator used
Suitable buffer when using high-performance buffer, since actual hoist pit actual grade limits the height of buffer, is led
It causes the buffer in above-mentioned patent difficult to install and effect cannot play completely, if well pit is dug deeply, quantities is not only
Greatly, and since pit majority is connected, and then may influence whether the stability on building basis with building foundation, thus
Buffer cannot give play to cushioning effect in the case where well pit is shallow completely.
Invention content
The problem of being used for the effect of depth high-performance buffer of well pit in the prior art, the present invention provides a kind of
Elevator multi-stage buffer has the advantages that height is low, stroke is short, multi-buffer, automatically resets.
To achieve the above object, the present invention provides following technical solutions：
A kind of elevator multi-stage buffer, the bottom plate including being placed in well pit, the bottom plate upper surface are provided with：
First-level buffer component, the first-level buffer component are marked with working oil including being vertically placed to the bottom plate upper surface and inside
Master cylinder seat, one end that the master cylinder seats against the nearly bottom plate offer multiple oil outlets, are slid vertically in the master cylinder seat top
The main plunger for including cavity is provided with, one end of the main plunger towards the master cylinder seat offers restriction；
Level 2 buffering component, the level 2 buffering component includes multiple secondary cylinder seats for being vertically placed to the bottom plate upper surface, described
Secondary cylinder seat offers oil inlet close to one end of the bottom plate, is slid vertically in the secondary cylinder seat top and is provided with time plunger；
Transition components, the transition components include connecting the oil outlet and the oil inlet and adjust the working oil flow direction
Conversion seat is staggeredly equipped with multiple check valves and multiple direct current channels in the conversion seat.
Through the above technical solutions, when lift car falls, car contacts in advance with main plunger, and main plunger is pressed into master cylinder
In seat, working oil enters the cavity of main plunger by restriction, and first-level buffer component plays first order cushioning effect；It is excessive at this time
Pressure working oil is forced to be entered in time cylinder seat by check valve simultaneously, car again with secondary plunger contact, pressed by secondary plunger
Enter in time cylinder seat, level 2 buffering component plays second level cushioning effect.It is cooperated by multiple secondary plungers and main plunger, it is multistage
Buffering so that whole buffer capacity is stronger while more steady to the support of car, more stablize by buffering, protects passenger or fortune
The safety of delivery object and lift facility, the whole height of the present invention is low, and movement travel is short, easy for installation, and link good buffer effect,
It is stronger to the adaptability of well pit.
Further, the throttle valve of multiple parallel connections corresponding with the check valve is provided on the conversion seat.
Through the above technical solutions, throttle valve can adjust the uninterrupted of conversion seat internal check valve, it is different by limiting
The flow of check valve so that level 2 buffering component can form multi-buffer, and multiple secondary plungers successively play car buffering and make
With.
Further, the one end of the main plunger far from the master cylinder seat is provided with gland, the master cylinder seat outer wall setting
There is support ring, resetting spring is coaxially arranged with the main plunger between the gland and the support ring.
Through the above technical solutions, after car resets, adjust check valve and cause direct current channel connection oil outlet and oil inlet
Mouthful, the air pressure in air pressure and main plunger in secondary cylinder body coordinates simultaneously with resetting spring so that buffer Rapid reset.
Further, the oil outlet is equal with the oil inlet quantity, and the secondary cylinder seat annular is arranged on the master cylinder
Seat side, the conversion seat is in a ring.
Through the above technical solutions, secondary cylinder seat annular, which is set, so that time plunger is more steady to the support of cage bottom, turn
It is more convenient to change seat rotation adjusting.
Further, the conversion seat outer wall offers tooth socket, and driving motor, the driving electricity are provided on the bottom plate
The fluted disc being drivingly connected with the tooth socket is arranged in the drive shaft of machine, is provided with outside hoistway and controls connection with the driving motor
Controller.
Through the above technical solutions, artificially transmitting a signal to controller, driving motor starts and conversion seat is driven to rotate, into
And facilitate the reset of buffer.
Further, the outer wall of the conversion seat has been extended multiple gears to the direction far from the conversion seat axis
Plate, there are one the check valve and a direct current channels for setting between the baffle of the secondary cylinder seat both sides.
Through the above technical solutions, baffle can limit the rotational angle of conversion seat, check valve or direct current channel are avoided
It misplaces with oil outlet or oil inlet.
Further, side of the secondary plunger far from the secondary cylinder seat is provided with cover board, and the cover board is far from described time
The side of plunger is provided with buffering time pad, and side of the gland far from the main plunger is provided with the main pad of buffering.
Through the above technical solutions, the gentle jig frequency pad of the main pad of buffering plays the role of buffer protection buffer.
Further, the master cylinder seat sets flexible main ring, the secondary cylinder seat direction towards one end of the main plunger
One end of the secondary plunger sets flexible secondary ring.
Through the above technical solutions, elastic main ring prevents the shock of gland and master cylinder seat, elastic secondary ring prevent cover board with it is secondary
The shock of cylinder seat is played the role of protecting buffer.
Further, it is vertically arranged with the change length bar for being directed toward the restriction in the master cylinder seat.
Through the above technical solutions, becoming the area that length bar reduces restriction, due to the reduction of area, working oil will shape
Into vortex, in particle mutually hit, rub, convert kinetic energy into heat and dissipate, so as to consume the energy of car, make
Car rallentando stops.
Further, the oil inlet and the oil outlet opening are embedded with sealing ring.
Through the above technical solutions, improving oil inlet and oil outlet and conversion seat junction leakproofness, oil leak is prevented.
Compared with prior art, beneficial effects of the present invention are as follows：
（1）When elevator car bottom drops, multi-buffer is played the role of by first-level buffer component and level 2 buffering component, by turning
Component is changed so that first-level buffer component and level 2 buffering component play the effect of linkage buffering, multi-buffer so that the present invention's is slow
It is stronger to rush ability；
（2）In buffering course, main plunger and time plunger are successively supported the surrounding of cage bottom, and support is more steady, subtracts
The shaking of few elevator, buffering are also more steady；
（3）The height of buffer is low and compression direction on movement travel it is short, the well pit of different depth is adaptable to, short
Buffering effect is given play on stroke completely, while can also be big according to the load-bearing capacity and hoistway length, buffer capacity of elevator used
It is small to be also adjusted.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of elevator multi-stage buffer；
Fig. 2 is A portions partial enlarged view in Fig. 1；
Fig. 3 is a kind of vertical view of elevator multi-stage buffer；
Fig. 4 is the sectional view of the line B-B along Fig. 3；
Fig. 5 is C portions partial enlarged view in Fig. 4.
Reference numeral：1st, bottom plate；2nd, master cylinder seat；211st, working oil；3rd, oil outlet；4th, main plunger；411st, cavity；5th, it throttles
Mouthful；6th, secondary cylinder seat；7th, oil inlet；8th, secondary plunger；9th, conversion seat；10th, check valve；11st, direct current channel；12nd, throttle valve；13rd, it presses
Lid；14th, support ring；15th, resetting spring；16th, tooth socket；17th, driving motor；18th, fluted disc；19th, controller；20th, baffle；21st, it covers
Plate；22nd, buffering time pad；23rd, main pad is buffered；24th, elastic main ring；25th, elastic secondary ring；26th, become length bar；27th, sealing ring.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantageous effect clearer, with reference to embodiment and attached drawing pair
The present invention is described in further detail, but embodiments of the present invention are not limited only to this.
As shown in Figure 1, a kind of elevator multi-stage buffer, the bottom plate 1 including being placed in well pit, bottom plate 1 is square,
1 upper surface of bottom plate is provided with first-level buffer component, level 2 buffering component and transition components.
First-level buffer component, as shown in Figure 1, first-level buffer component includes being fixed on vertically at 1 upper surface center of bottom plate
Master cylinder seat 2, as shown in Figure 4 and Figure 5,2 top of master cylinder seat are interior in being provided with inside hatch frame and its along the sliding of its axis direction
Main plunger 4 containing cavity 411, main plunger 4 are noted towards restriction 5,2 inside of master cylinder seat is offered at the center of 2 one end of master cylinder seat
Have a working oil 211, peripheral wall of the master cylinder seat 2 close to one end of bottom plate 1 offers multiple oil outlets 3, oil outlet 3 be preferably four and
Rotational symmetry is arranged on the peripheral wall of master cylinder seat 2.Working oil 211 enters main plunger by restriction 5 after main plunger 4 is under pressure
In 4 cavity 411, main plunger 4 plays lift car main cushioning effect.It is as shown in figure 4, solid vertically in master cylinder seat 2
Surely have and become length bar 26, become the cross section of length bar 26 from high in the end and become larger, restriction 5, variable are directed toward in the tip for becoming length bar 26
The maximum cross section of stick 26 is less than the cross-sectional area of restriction 5.It can reduce the through-flow face of reality of restriction 5 by becoming length bar 26
Product, due to the reduction of area, vortex can be formed in 211 flow process of working oil, in particle mutually hit, rub, will move
Heat can be converted into dissipate, so as to consume the energy of lift car, car is made rallentando to stop.
As depicted in figs. 1 and 2, the one end of main plunger 4 far from master cylinder seat 2 is coaxially fixed with gland 13, and gland 13 is in disk
Shape, 2 wall coaxial of master cylinder seat are fixed with support ring 14, and support ring 14 is located at the top of oil outlet 3, gland 13 and support ring 14 it
Between with main plunger 4 be coaxially fixed with resetting spring 15.Air pressure cooperation in resetting spring 15 and main plunger 4 so that main plunger 4
It resets quicker.Side of the gland 13 far from main plunger 4 is fixed with the main pad 23 of buffering.It buffers main pad 23 and plays buffer protection
The effect of buffer.Master cylinder seat 2 coaxially fixes flexible main ring 24 towards one end of main plunger 4 and master cylinder seat 2.Elastic main ring 24
The shock of gland 13 and master cylinder seat 2 also plays the effect of protection buffer.
Level 2 buffering component, as shown in Figure 1, level 2 buffering component includes multiple 1 upper surfaces of bottom plate fixed vertically
Secondary cylinder seat 6, secondary cylinder seat 6 is round angularly annular spread in the side of secondary cylinder seat 6 with master cylinder seat 2, as shown in Figure 4 and Figure 5, secondary
In in hatch frame and secondary cylinder seat 6, along its axis direction, sliding is provided with time plunger 8 vertically on cylinder seat 6 top, and secondary cylinder seat 6 is the bottom of close to
One end of plate 1 offers oil inlet 7.Secondary plunger 8 can enter in the cavity 411 of main plunger 4 after being under pressure, and pass through level 2 buffering
Component has arrived cushioning effect again.Secondary 6 quantity of cylinder seat is identical with 3 quantity of oil outlet, and secondary cylinder seat 6 is preferably four.Secondary cylinder
6 annular setting of seat is so that time plunger 8 is more steady to the support of cage bottom.
As shown in Fig. 2, side of the secondary plunger 8 far from time cylinder seat 6 is fixed with cover board 21, cover board 21 is in the form of annular discs, cover board 21
Side far from time plunger 8 is provided with buffering time pad 22.Play the role of buffer protection buffer by buffering time pad 22, prevent
Only buffer is bad by damage.Secondary cylinder seat 6 coaxially fixes flexible secondary ring 25 towards one end of secondary plunger 8 and time cylinder seat 6.Pass through bullet
Property secondary ring 25 prevent cover board 21 and the shock of time cylinder seat 6, also play the effect of protection buffer.
Transition components, as shown in Figure 1 and Figure 5, transition components include connection oil outlet 3 and oil inlet 7 and adjust working oil
The conversion seats 9 of 211 flow directions, in a ring, and oil inlet 7 and 3 opening of oil outlet are coaxially embedded with sealing ring 27 to conversion seat 9.
Oil inlet 7 and oil outlet 3 and 9 junction leakproofness of conversion seat are improved by sealing ring 27, prevent oil leak.In conversion seat 9 staggeredly
It is provided with multiple check valves 10 and multiple direct current channels 11.Conversion seat 9 can connect multigroup oil inlet 7 simultaneously by check valve 10
With oil outlet 3, check valve 10 is provided with Opening pressure, and after the pressure of working oil 211 is more than Opening pressure, check valve 10 is opened
It opens, working oil 211 enters time cylinder seat 6 from master cylinder seat 2 and cannot reversely flow.After conversion seat 9 rotates, moreover it is possible to pass through direct current channel
11 connect multigroup oil inlet 7 and oil outlet 3 again simultaneously.Pass through the work between 9 master cylinder seat 2 of conversion seat and secondary cylinder seat 6
Oil 211 can flow, and the regulating power of buffer is stronger.The throttle valve 12 in parallel with check valve 10 is fixed on conversion seat 9, is saved
Stream valve 12 can individually be adjusted the Opening pressure of each check valve 10.It is controlled by throttle valve 12 single in conversion seat 9
To the uninterrupted of valve 10 so that the level 2 buffering component of script can form multi-buffer, and multiple secondary plungers 8 are successively to car
Play cushioning effect.
As shown in Figure 1 and Figure 4, the outer wall of conversion seat 9 towards pedestal one end offers tooth socket 16, passes through stent on bottom plate 1
Driving motor 17 is vertically fixed, coaxial sleeve is equipped with fluted disc 18 in the drive shaft of driving motor 17, and fluted disc 18 is in tooth socket 16
In same plane, by gear engaged transmission between fluted disc 18 and tooth socket 16, elevator shaft is also installed with and driving motor
The controller 19 of 17 control connections.By artificially transmitting a signal to controller 19, driving motor 17 starts and drives 9 turns of conversion seat
It is dynamic, and then facilitate the reset of buffer.The outer wall of conversion seat 9 is fixed with multiple baffles 20 to the direction far from 9 axis of conversion seat,
Two baffles 20 between one group and one group of baffle 20 there are one check valve 10 and a direct current channel 11, between multigroup baffle 20
Interval angles are equal.The rotational angle of conversion seat 9 can be limited by baffle 20, avoid check valve 10 or direct current channel 11 with
Oil outlet 3 or oil inlet 7 misplace.
The working principle and beneficial effect of the present invention is as follows：
During present invention installation, the check valve 10 of conversion seat 9 connects oil outlet 3 with oil inlet 7, while adjusts throttle valve 12 and cause
Throttle valve 12 to limitation 10 working flow of check valve and adjusting size it is different.After present invention installation, in the effect of working oil 211
Under, distance is maximum between main plunger 4 and master cylinder seat 2, and distance is maximum between secondary plunger 8 and secondary cylinder seat 6.
When lift car falls, cage bottom contacts in advance with main plunger 4, and main plunger 4 is under pressure and is pressed into master cylinder
In seat 2, working oil 211 enters the cavity 411 of main plunger 4 by restriction 5, is also stretched into cavity 411 with variations per hour stick 26, leads to
The practical flow area of restriction 5 can be reduced by crossing change length bar 26 so that vortex can be formed in 211 flow process of working oil, in
Particle mutually hit, rub, convert kinetic energy into heat and dissipate, so as to consume the impact energy of car.Car simultaneously
Bottom contacts again with secondary plunger 8, and secondary plunger 8 is under pressure and is pressed into time cylinder seat 6, plays the role of level 2 buffering.Work as work
After oily 211 oil pressure are more than the Opening pressure of check valve 10 limited by throttle valve 12, working oil 211 is by conversion seat 9 from master
Cylinder seat 2 is sequentially entered in time cylinder seat 6, again serves to cushioning effect.
After lift car resets, operating personnel control driving motor 17 to rotate by controller 19, and driving motor 17 drives
Conversion seat 9 rotates, and the direct current channel 11 of conversion seat 9 connects oil outlet 3 with oil inlet 7, the air pressure in secondary cylinder body and Master cylinder body
Under the action of and resetting spring 15 external force effect under, the present invention with Rapid reset, can reduce the trouble of manual adjustment.
The present invention plays the role of multi-buffer by first-level buffer component and level 2 buffering component, while passes through conversion group
Part plays the effect of linkage buffering, and multi-buffer so that whole buffer capacity is stronger.Main plunger 4 and time plunger 8 are successively right
Cage bottom is supported, and the support of cage bottom surrounding is more steady, and buffering is equally also made more to stablize, and protects passenger or fortune
The safety of delivery object and lift facility.Whole height of the invention is low, while the movement travel on direction that is pressurized is short, installation side
Just, it is stronger to the adaptability of well pit, in addition, according to the load-bearing capacity of elevator used and hoistway length, buffering of the invention
Capacity of water can also be adjusted.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of elevator multi-stage buffer, the bottom plate including being placed in well pit（1）, which is characterized in that the bottom plate（1）On
End face is provided with：
First-level buffer component, the first-level buffer component include being vertically placed to the bottom plate（1）Upper surface and inside is marked with work
Oil（211）Master cylinder seat（2）, the master cylinder seat（2）Close to the bottom plate（1）One end offer multiple oil outlets（3）, it is described
Master cylinder seat（2）Sliding is provided with and includes cavity vertically in top（411）Main plunger（4）, the main plunger（4）Towards the master
Cylinder seat（2）One end offer restriction（5）；
Level 2 buffering component, the level 2 buffering component are vertically placed to the bottom plate including multiple（1）The secondary cylinder seat of upper surface
（6）, the secondary cylinder seat（6）Close to the bottom plate（1）One end offer oil inlet（7）, the secondary cylinder seat（6）It is vertical in top
Sliding is provided with time plunger（8）；
Transition components, the transition components include connecting the oil outlet（3）With the oil inlet（7）And adjust the working oil
（211）The conversion seat of flow direction（9）, the conversion seat（9）Inside it is staggeredly equipped with multiple check valves（10）With multiple direct current channels
（11）.
2. elevator multi-stage buffer according to claim 1, which is characterized in that the conversion seat（9）On be provided with it is more
A and check valve（10）Corresponding throttle valve in parallel（12）.
3. elevator multi-stage buffer according to claim 2, which is characterized in that the main plunger（4）Far from the master
Cylinder seat（2）One end be provided with gland（13）, the master cylinder seat（2）Outer wall is provided with support ring（14）, the gland（13）With
The support ring（14）Between with the main plunger（4）It is coaxially arranged with resetting spring（15）.
4. elevator multi-stage buffer according to claim 3, which is characterized in that the oil outlet（3）With the oil inlet
Mouthful（7）Quantity is equal, the secondary cylinder seat（6）Annular is arranged on the master cylinder seat（2）Side, the conversion seat（9）In a ring.
5. elevator multi-stage buffer according to claim 4, which is characterized in that the conversion seat（9）Outer wall offers
Tooth socket（16）, the bottom plate（1）On be provided with driving motor（17）, the driving motor（17）Drive shaft on be arranged with and institute
State tooth socket（16）The fluted disc of drive connection（18）, it is provided with and the driving motor outside hoistway（17）Control the controller of connection
（19）.
6. elevator multi-stage buffer according to claim 5, which is characterized in that the conversion seat（9）Outer wall to remote
From the conversion seat（9）The direction of axis has been extended multiple baffles（20）, the secondary cylinder seat（6）The baffle of both sides（20）It
Between setting there are one the check valve（10）With a direct current channel（11）.
7. elevator multi-stage buffer according to claim 3, which is characterized in that the secondary plunger（8）Far from described time
Cylinder seat（6）Side be provided with cover board（21）, the cover board（21）Far from the secondary plunger（8）Side be provided with buffering time pad
（22）, the gland（13）Far from the main plunger（4）Side be provided with the main pad of buffering（23）.
8. elevator multi-stage buffer according to claim 7, which is characterized in that the master cylinder seat（2）Towards the master
Plunger（4）One end flexible main ring is set（24）, the secondary cylinder seat（6）Towards the secondary plunger（8）One end be provided with bullet
Property secondary ring（25）.
9. elevator multi-stage buffer according to claim 2, which is characterized in that the master cylinder seat（2）Inside it is vertically arranged
Have and be directed toward the restriction（5）Change length bar（26）.
10. elevator multi-stage buffer according to claim 2, which is characterized in that the oil inlet（7）And oil outlet
（3）Opening is embedded with sealing ring（27）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315585.6A CN108190683B (en) | 2017-12-09 | 2017-12-09 | A kind of elevator multi-stage buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315585.6A CN108190683B (en) | 2017-12-09 | 2017-12-09 | A kind of elevator multi-stage buffer |
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| Publication Number | Publication Date |
|---|---|
| CN108190683A true CN108190683A (en) | 2018-06-22 |
| CN108190683B CN108190683B (en) | 2019-07-19 |
Family
ID=62574181
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315585.6A Active CN108190683B (en) | 2017-12-09 | 2017-12-09 | A kind of elevator multi-stage buffer |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368439A (en) * | 2018-08-29 | 2019-02-22 | 合肥市迅立达电梯有限公司 | A kind of hydraulic elevator |
| EP4151579A1 (en) * | 2021-09-21 | 2023-03-22 | KONE Corporation | Variable stroke buffer for buffering a car or a counterweight of an elevator |
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| JPH04217577A (en) * | 1990-12-20 | 1992-08-07 | Mitsubishi Electric Corp | Oil-immersed buffer for elevator |
| JP2005098424A (en) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | Oil-filled type damping device |
| CN1922091A (en) * | 2004-09-21 | 2007-02-28 | 三菱电机株式会社 | Cushioning device for elevator |
| CN101932521A (en) * | 2008-04-30 | 2010-12-29 | 三菱电机株式会社 | Shock absorber for elevator |
| CN102649524A (en) * | 2011-02-24 | 2012-08-29 | 三菱电机株式会社 | Hydraulic buffer used for elevator |
| CN103381985A (en) * | 2013-06-26 | 2013-11-06 | 杨伦 | Device for buffering dropping of elevator |
| CN203998508U (en) * | 2014-07-07 | 2014-12-10 | 天津市恒利电梯技术开发有限公司 | A kind of used during elevator falling protective device |
| CN206156514U (en) * | 2016-09-23 | 2017-05-10 | 南京雄起电梯有限公司 | Elevator buffer base |
| CN206969942U (en) * | 2017-07-04 | 2018-02-06 | 杭州顺达伯耐特电梯有限公司 | Underlying main frame forced action type elevator |
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2017
- 2017-12-09 CN CN201711315585.6A patent/CN108190683B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04217577A (en) * | 1990-12-20 | 1992-08-07 | Mitsubishi Electric Corp | Oil-immersed buffer for elevator |
| JP2005098424A (en) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | Oil-filled type damping device |
| CN1922091A (en) * | 2004-09-21 | 2007-02-28 | 三菱电机株式会社 | Cushioning device for elevator |
| CN101932521A (en) * | 2008-04-30 | 2010-12-29 | 三菱电机株式会社 | Shock absorber for elevator |
| CN102649524A (en) * | 2011-02-24 | 2012-08-29 | 三菱电机株式会社 | Hydraulic buffer used for elevator |
| CN103381985A (en) * | 2013-06-26 | 2013-11-06 | 杨伦 | Device for buffering dropping of elevator |
| CN203998508U (en) * | 2014-07-07 | 2014-12-10 | 天津市恒利电梯技术开发有限公司 | A kind of used during elevator falling protective device |
| CN206156514U (en) * | 2016-09-23 | 2017-05-10 | 南京雄起电梯有限公司 | Elevator buffer base |
| CN206969942U (en) * | 2017-07-04 | 2018-02-06 | 杭州顺达伯耐特电梯有限公司 | Underlying main frame forced action type elevator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368439A (en) * | 2018-08-29 | 2019-02-22 | 合肥市迅立达电梯有限公司 | A kind of hydraulic elevator |
| EP4151579A1 (en) * | 2021-09-21 | 2023-03-22 | KONE Corporation | Variable stroke buffer for buffering a car or a counterweight of an elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108190683B (en) | 2019-07-19 |
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