CN106744168B - A kind of threading formula hydraulic elevator - Google Patents
A kind of threading formula hydraulic elevator Download PDFInfo
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- CN106744168B CN106744168B CN201611008104.2A CN201611008104A CN106744168B CN 106744168 B CN106744168 B CN 106744168B CN 201611008104 A CN201611008104 A CN 201611008104A CN 106744168 B CN106744168 B CN 106744168B
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- hydraulic cylinder
- elevator
- lift car
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- 239000007788 liquid Substances 0.000 claims description 23
- 238000007726 management method Methods 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
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- 230000005611 electricity Effects 0.000 claims description 3
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention relates to a kind of threading formula hydraulic elevators, including elevator, lift car, hydraulic cylinder, chain wheel rope group, to recombination, prestressing mechanism, hydraulic unit and fluid pressure line, electronic management system, sensory package and signal line, hydraulic cylinder be vertically fixed on elevator bottom or and side wall, prestressing mechanism is connected at the top of hydraulic cylinder；Chain wheel rope group is fixed near elevator top, and one end of wirerope connects lift car, and the other end is connected to recombination；Sensory package passes through signal line respectively and connect with electronic management system；Hydraulic unit is connect by control and feedback signal route with electronic management system；Hydraulic cylinder is connect by fluid pressure line with hydraulic unit, and the moving component of hydraulic cylinder is connected with lift car.The present invention uses the lateral lifting hydraulic cylinder of belt type hydraulic, the stability and stroke/lift height of hydraulic elevator is improved because not having traditional strut buckling problem, well space that is compact-sized and needing is small, while the Personal Safety of occupant is protected.
Description
Technical field
The present invention is a kind of threading formula hydraulic elevator, is related to hydraulic lifting machinery, belongs to mechanical equipment manufacturing technology field.
Background technique
Traditional elevator has towed elevator, hydraulic elevator, rack and pinion lift and screw elevator etc., in skyscraper
The elevator used substantially refers to towed elevator.But towed elevator has its defect: it is safety first, wire cable rupture,
Life threat can all be caused by loosening；It furthermore is that elevator top must design and bear the office that carriage, load-carrying add counterweight total weight
Portion's structure, longitudinal computer room and lateral hoistway arrangement space are big；Noise is big, ride comfort is poor, load-carrying is smaller simultaneously.
Despite the presence of this all various problem, but at present for skyscraper, towed elevator seems that there are a degree of
Irreplaceability；And towed elevator to the security problem of the big demand in space and safety as the high growth of layer also becomes increasingly
It is prominent, these contradictions how are cracked to the rapidly growth of skyscraper ladder amount and the old electricity to be updated such as ten hundreds of
Ladder is regenerated, and there are urgent demands.
And hydraulic elevator can provide biggish lifting force, while need not because safety is good, noise is low, high reliablity
Computer room is set in roof, the advantages that reducing hoistway vertical dimension, building space can be efficiently utilized, it appears that can be more
The defect of all towed elevators is mended, but current hydraulic elevator designs so that its all advantage does not offset it in lifting stroke
On limitation, directly lift only ten several meters of range of common hydraulic elevator at present, which greatly limits its applications
Range.
It carefully analyzes it can be found that the defect of hydraulic elevator is exactly the defect of hydraulic cylinder in fact: it is slow (in 1m/s to promote speed
Below), power consumption is big, at high cost, while being also limited by hydraulic cylinder length, thus operating distance is small, is frequently utilized for short stroke, heavy duty
The occasion of lotus.So the hydraulic elevator design for relying on conventional cylinder is can not to catch up with and surpass towed elevator forever on lift height
Advantage, if it is desired to change this state, improve the lift height of hydraulic elevator, must just replace traditional hydraulic cylinder.
Notification number is that the patent of CN105041763A discloses a kind of " the lateral lifting device of belt type hydraulic ", by laterally opening
Seam --- enclosed construction realizes that hydraulic lock simultaneously pushes the device of piston lifting output movement, due to not traditional hydraulic stem, it
The stable total travel acting of hydraulic cylinder may be implemented, and (conventional cylinder is half trip acting, while overhanging compression bar has stabilization
Property problem), the large increase long stroke and stability of hydraulic cylinder, while also being provided to the requirement for increasing hydraulic elevator stroke
New reference.
The present invention on this basis, has invented a kind of " threading formula hydraulic elevator ", according to the characteristics of side lifted type hydraulic cylinder pairs
The structure of conventional hydraulic elevator is redesigned, while also to disclosed in CN105041763A, " belt type hydraulic is laterally lifted
Device " redesign, supplement and perfect have been carried out, to push use of safer, the economic hydraulic elevator on wider, most
It confers benefits on society eventually.
Summary of the invention
The present invention is directed to the deficiency of existing hydraulic elevator stroke limiting, provides a kind of threading formula hydraulic elevator.It can be with
It realizes big stroke, low energy consumption operation, and greatly improves the stability of elevator work and the safety of operation.
In order to achieve the above objectives, insight of the invention is that
Threading formula hydraulic elevator of the invention has elevator.
Elevator is the ad hoc space of the installation and movement such as hydraulic elevator main component such as hydraulic cylinder, lift car, it can
To be interior of building vertical direction spatial or exterior wall, it is also possible to the hoistway structure being independently arranged or steel frame construction；It goes for lifting
The shorter hydraulic elevator of journey, can not also set elevator.
Threading formula hydraulic elevator of the invention has lift car.
Lift car is the user oriented part of hydraulic elevator, is the cavity that can be opened and closed of carrying user or cargo, and
Common hydraulic elevator carriage is similar.
Threading formula hydraulic elevator of the invention has hydraulic cylinder.
Hydraulic cylinder is the lateral lifting hydraulic cylinder of belt type hydraulic, refers to that casing wall is laterally cracking, is hydraulically operated down across work
The band-like plate (envelope cylinder strip) of plug closes sealing to form hydraulic cavities, to realize that pressure is kept and the hydraulic press of lifting movement
Structure.It is the component for converting liquid pressure energy to mechanical lift acting, is the core component of hydraulic elevator, can be with one group or two
Group or multiple groups hydraulic cylinder cooperate.Here work can be directly or indirectly output work, and direct output work refers to hydraulic
Cylinder moving component (piston and its epitaxial part) and lift car are directly connected to do work, and output refers to hydraulic cylinder component indirectly
(piston and its epitaxial part) connects acting with wirerope by pulley mechanism with lift car.Hydraulic cylinder according to long stroke not
With that can use corresponding manufacture and mounting means, short can be integrally manufactured, and long is then that segmentation manufactures sealed connection form；
Corresponding support structure can be arranged in elevator sidewall and top for long or longer stroke hydraulic elevator by installing.It is moved
The downlink of component relies primarily on the gravity of moving component self weight and load, and lifting/downlink speed is then by input/output
Fluid flow directly controls.
Threading formula hydraulic elevator of the invention has chain wheel rope group and to recombination.
Chain wheel rope group is placed near elevator top, is connected by wirerope therein to recombination and lift car,
Effect and in towed elevator it is almost the same, mainly balance the part gravity of lift car, and reach energy-efficient purpose.They
Setting do not interfere with hydraulic elevator function realize, so the setting that nor is it necessary that.As to multilayer old building
Elevator replacement, because elevator installation space is smaller and load-carrying require it is relatively not high, can not have to set chain wheel rope group and counterweight again
Group chain wheel rope group.
Threading formula hydraulic elevator of the invention has prestressing mechanism.
Prestressing mechanism is fixed on the upper end of hydraulic cylinder, and applies prestressing force connection elevator top.This mechanism can
To provide tensile force for the envelope cylinder strip of hydraulic cylinder, realize envelope cylinder strip preferably during exercise to the lateral sealing of hydraulic cylinder
Sealing；Vertical support is provided hydraulic cylinder simultaneously, can also strengthen hydraulic cylinder with the self weight of balance portion hydraulic cylinder and load
Stability, this is relatively important to the hydraulic elevator of big stroke.To the hydraulic elevator of small stroke, prestressing mechanism and elevator top
Connection nor is it necessary that.
Threading formula hydraulic elevator of the invention has hydraulic unit and fluid pressure line.
Hydraulic unit and fluid pressure line are hydraulic output mechanisms, provide power resources and pressure fluid for hydraulic cylinder
The functions such as commutation.Hydraulic unit is connected by fluid pressure line with hydraulic cylinder, and the position in institute's connection liquid cylinder pressure is divided to two kinds: one is
It is arranged on the bottom on hydraulic cylinder connection ground or the cylinder body of hydraulic cylinder, this is the mode that general hydraulic cylinder generallys use；It is another
Kind is utilized in the mode of moving component (piston and its epitaxial part) input/output liquid, and the benefit of this mode is hydraulic
It is directly injected into movement parts part, the pressure of sealing and the on-way resistance of flowing and the acting in gravity direction is reduced, makes liquid
The movement of cylinder pressure is sensitiveer and efficient, promotes advantageous and energy conservation to the speed of hydraulic cylinder.Hydraulic unit and fluid pressure line and
Common hydraulic elevator is the same, can be disposed about in elevator bottom；Also it can connect at the lift car bottom of hydraulic elevator
Portion reduces the space requirement to elevator in this way, while to the movement of the hydraulic hydraulic cylinder for being directly injected into movement parts part spirit
Sensitivity has further raising.
Threading formula hydraulic elevator of the invention has electronic management system.
Electronic management system is the electrical control center of hydraulic elevator, is the core of each parts co-ordination and management, function
With similar with common hydraulic elevator.
Threading formula hydraulic elevator of the invention has sensory package and signal line.
Signal, detection and the detection of sensory package and signal line composition electronic management system control hydraulic elevator normal operation,
The channel system of feedback and control is realized similar with common hydraulic elevator；Signal line can use wired communication mode
Or communication.
Conceived according to foregoing invention, the present invention uses following proposal:
A kind of threading formula hydraulic elevator, including elevator, lift car, hydraulic cylinder, chain wheel rope group, to recombination, prestressing force
Mechanism, hydraulic unit and fluid pressure line, electronic management system, sensory package and signal line, hydraulic cylinder are vertically fixed on elevator shaft bottom
Portion or and side wall, prestressing mechanism is connected at the top of hydraulic cylinder；Chain wheel rope group is fixed near elevator top, and the one of wirerope
End connection lift car, the other end are connected to recombination；Sensory package is respectively that the limit accordingly arranged according to floor or throw-over are opened
It closes, it is control and the detection part of lift car, they pass through signal wire respectively that the 7th sensory package, which is installed on the elevator car,
Road is connect with electronic management system；Hydraulic unit is connect by control and feedback signal route with electronic management system；Hydraulic cylinder passes through hydraulic
Pipeline is connect with hydraulic unit, and the moving component of hydraulic cylinder is piston and its epitaxial part, this moving component and lift car phase
Connection.
There is lifting stroke and descending stroke in lift car: 1) lifting stroke.Signal, hydraulic unit are issued by electronic management system
By fluid pressure line to hydraulic cylinder output pressure liquid, pushes hydraulic cylinder component and connected elevator cab movement to realize and lift
It rises；2) descending stroke.Signal is issued by electronic management system, hydraulic unit extracts liquid, hydraulic cylinder to hydraulic cylinder by fluid pressure line
Moving component and connected lift car move downward under the effect of gravity, realize downlink；Meanwhile hydraulic unit passes through to hydraulic
Cylinder input/extraction fluid flow controls to realize the speed control to application terminal lift car.
Above-mentioned hydraulic cylinder is the lateral lifting hydraulic cylinder of belt, from one group or two or more sets hydraulic cylinders alone or synergistically to electricity
The terraced direct or indirect output work of carriage；Direct output work refers to that the moving component of hydraulic cylinder and lift car are directly connected to do work；
The moving component for referring to hydraulic cylinder and lift car are exported indirectly connect acting with chain wheel rope group.
Above-mentioned hydraulic cylinder casing wall is laterally cracking, and opens band-like hole in main motion component piston；By passing through the band-like of piston
Plate, i.e. envelope cylinder strip come close sealing to form hydraulic cavities and complete under hydraulic-driven main motion component piston lifting it is dynamic
Make, while still keeping sealing open above piston and external movement output mechanism；And the downlink of moving component relies primarily on movement
Component self weight and load gravity and hydraulic cylinder in pressure fluid release, lifting or downlink speed then by input or
The fluid flow of output directly determines.
Above-mentioned hydraulic unit is inputted by fluid pressure line to hydraulic cylinder or output liquid, liquid input or delivery outlet arrangement
On the bottom of hydraulic cylinder or moving component.
Above-mentioned prestressing mechanism connects elevator top with certain prestressing force, with balance hydraulic cylinder self weight or load impacting
Or deformation, while providing tensile force for the envelope cylinder strip of hydraulic cylinder, be at prestressing force working condition, with keep lifting/under
The lateral sealing sealing of hydraulic cylinder when row；Or prestressing mechanism is not connected to elevator top, the envelope cylinder strip of only hydraulic cylinder mentions
For tensile force, to keep sealing.
Above-mentioned chain wheel rope group and recombination is simutaneously arranged to offset the most of of lift car and be self-possessed；Or do not arrange chain wheel rope
Group and to recombination.
Above-mentioned hydraulic cylinder is integrally manufactured in longitudinal direction；Or segmentation manufacture is tightly connected.
Above-mentioned electronic management system and hydraulic unit spatially discrete arrangement or connect with lift car and move together, can
To save space, facilitate manufacture, installation and maintenance, and improves the sensitivity of elevator controlling.
The signal line that above-mentioned electronic management system and hydraulic unit set out uses wired mode or wireless mode.
The present invention compared with prior art, has following obvious prominent substantive distinguishing features and remarkable advantage:
The device of the invention could be used without the hydraulic cylinder of compression bar, and strut buckling problem, very big raising hydraulic cylinder is not present
Stroke, i.e. the carrying height of hydraulic elevator obtains very big expansion.
The space that the device of the invention installation needs is small, without elevator(lift) machine room even under ground portion, longitudinally arranged height
It is substantially consistent with range with the height of building, and in the size for being closely sized to carriage of laterally minimum arrangement, greatly save
About space and construction volume, installation and easy to maintain.
The device of the invention is very safe, even if being zero, powering off together to the wirerope burst fracture of recombination, hydraulic bust
Under the extreme case of Shi Fasheng, since (even if liquid leakage is serious, the gas in cylinder also be will form for the presence of liquid in hydraulic cylinder
Air cushion), the danger of rapid drawdown will not occur for elevator, remain to stable decline and stop.
It follows that applying model present invention obtains big stroke, small space and very safe threading formula hydraulic elevator
It encloses extensively, there is unusual economic value.
Detailed description of the invention
Fig. 1 is threading formula hydraulic elevator schematic diagram.
Fig. 2 is to connect prestressing mechanism schematic diagram above the lateral lifting hydraulic cylinder of belt type hydraulic: (a) prestressing mechanism connects
Elevator top；(b) prestressing mechanism is not connected to elevator top.
Fig. 3 is two kinds of input modes of the lateral lifting hydraulic cylinder liquid input of belt type hydraulic: (a) by bottom input；(b) by
Moving component input.
Specific embodiment
The preferred embodiment of the present invention is described with reference to the drawings as follows:
Embodiment one:
Referring to Fig. 1, a kind of threading formula hydraulic elevator, including it is elevator 1, lift car 2, hydraulic cylinder 3, chain wheel rope group 7, right
Recombination 4, prestressing mechanism 8, hydraulic unit 5 and fluid pressure line 9, electronic management system 6, sensory package A1~A9 and signal line 5-1,
5-2,6-1~6-9, hydraulic cylinder 3 be vertically fixed on 1 bottom of elevator or and side wall, prestressing mechanism 8 is connected at the top of hydraulic cylinder 3；
Chain wheel rope group 7 is fixed on 1 near top of elevator, and one end of wirerope connects lift car 2, and other end connection is to recombination 4；
Sensory package A1~A6, A8, A9 are respectively that the limit accordingly arranged according to floor or throw-over switch, the 7th sensory package A7 installation
Control and the detection part of lift car 2 on lift car 2, they pass through respectively signal line 6-1~6-9 with it is automatically controlled
Center 6 connects；Hydraulic unit 5 is connect by control and feedback signal route 5-1,5-2 with electronic management system 6；Hydraulic cylinder 3 passes through liquid
Pressure pipe road 9 is connect with hydraulic unit 5, and the moving component of hydraulic cylinder 3 is piston and its epitaxial part, this moving component and elevator car
Compartment 2 is connected.
There is lifting stroke and descending stroke in lift car 2: 1), lifting stroke.Signal is issued by electronic management system 6, it is hydraulic
Unit 5, to 3 output pressure liquid of hydraulic cylinder, pushes 3 moving component of hydraulic cylinder and connected lift car 2 by fluid pressure line 9
Lifting is realized in movement；2), descending stroke.Signal is issued by electronic management system 6, hydraulic unit 5 passes through fluid pressure line 9 to hydraulic cylinder 3
Liquid is extracted, 3 moving component of hydraulic cylinder and connected lift car 2 move downward under the effect of gravity, realize downlink；Meanwhile
Hydraulic unit 5 realizes the speed to application terminal lift car 2 by inputting the fluid flow control that is extracted to hydraulic cylinder 3
Control.
Embodiment two:
The present embodiment and embodiment one are essentially identical, and special feature is being:
Referring to Fig. 1 and Fig. 2 (a), prestressing mechanism 8 connects up elevator 1, mentions for the envelope cylinder strip 3-2 of hydraulic cylinder 3
For it is prestressed simultaneously, also provided in itself for hydraulic cylinder 3 and upward pre- answer tensile force.This arrangement is more conducive to hydraulic
The stability of cylinder and entire elevator device is proposed with the elevator of higher level.
Embodiment three:
The present embodiment and embodiment one, embodiment two are essentially identical, and special feature is being:
Referring to Fig. 1 and Fig. 2 (b), prestressing mechanism 8 does not connect up elevator 1, is only the envelope cylinder strip 3-2 of hydraulic cylinder 3
Prestressing force is provided, upward pre- answers tensile force without providing in itself for hydraulic cylinder 3.
Example IV:
The present embodiment and embodiment one are essentially identical, and special feature is being:
Referring to Fig. 1 and Fig. 3 (a), hydraulic unit 5 passes through the duct 3-6 on the pedestal 3-5 of 9 connection liquid cylinder pressure 3 of fluid pressure line
Liquid is inputted inside to hydraulic cylinder 3.
Embodiment five:
The present embodiment and embodiment one, example IV are essentially identical, and special feature is being:
Referring to Fig. 1 and Fig. 3 (b), on moving component 3-3,3-4 that hydraulic unit 5 passes through 9 connection liquid cylinder pressure 3 of fluid pressure line
The duct 3-6 of arrangement is to inputting liquid inside hydraulic cylinder 3.
Moving component 3-3,3-4 that the liquid flowed into from bottom jacks up upper cylinder 3 must overcome height and do work, and also want
Overcome on-way resistance and loss of energy, therefore the output work of hydraulic unit 5 both has to balance simultaneously plus (living to load
Plug and load thereon) function, and liquid input is placed on moving component 3-3,3-4,5 needs of hydraulic unit are provided to bearing
Acting is carried, to reduce power consumption, also improves the real-time and sensitivity of control.
Claims (9)
1. a kind of threading formula hydraulic elevator, including elevator (1), lift car (2), hydraulic cylinder (3), chain wheel rope group (7), counterweight
Group (4), prestressing mechanism (8), hydraulic unit (5) and fluid pressure line (9), electronic management system (6), sensory package (A1~A9) and letter
Number route (5-1,5-2,6-1~6-9), it is characterised in that: the hydraulic cylinder (3) be vertically fixed on elevator (1) bottom or and
Side wall, hydraulic cylinder (3) top connect prestressing mechanism (8)；The chain wheel rope group (7) is fixed on elevator (1) near top,
One end of wirerope connects lift car (2), and the other end is connected to recombination (4)；The sensory package (A1~A6, A8, A9) point
It Wei not be switched according to the limit or throw-over that floor is accordingly arranged, the 7th sensory package (A7) is mounted on lift car (2), is electricity
The control of terraced carriage (2) and detection part, they pass through signal line (6-1~6-9) respectively and connect with electronic management system (6)；Institute
Hydraulic unit (5) are stated to connect by control and feedback signal route (5-1,5-2) with electronic management system (6)；The hydraulic cylinder (3) is logical
It crosses fluid pressure line (9) to connect with hydraulic unit (5), the moving component of the hydraulic cylinder (3) is piston and its epitaxial part, this fortune
Dynamic component is connected with lift car (2).
2. threading formula hydraulic elevator according to claim 1, it is characterised in that: the hydraulic cylinder (3) is that belt is laterally lifted
Hydraulic cylinder is risen, from one group or two or more sets hydraulic cylinders (3) are alone or synergistically to lift car (2) direct or indirect output work；
Direct output work refers to that the moving component of hydraulic cylinder (3) and lift car (2) are directly connected to do work；Output refers to hydraulic cylinder indirectly
(3) moving component and lift car (2) connect acting with chain wheel rope group (7).
3. threading formula hydraulic elevator according to claim 1 or 2, it is characterised in that: hydraulic cylinder (3) casing wall is lateral
It cracks, opens band-like hole in main motion component piston；By passing through the band-like plate of piston, that is, cylinder strip is sealed to close sealing to shape
The lifting movement of main motion component piston is completed at hydraulic cavities and under hydraulic-driven, while still keeping sealing open above piston
And external movement output mechanism；And the downlink of moving component relies primarily on the gravity and liquid of moving component self weight and load
The speed of the release of pressure fluid in cylinder pressure (3), lifting or downlink is then directly determined by the fluid flow for inputting or exporting.
4. threading formula hydraulic elevator according to claim 1, it is characterised in that: the hydraulic unit (5) passes through hydraulic tube
Road (9) is inputted to hydraulic cylinder (3) or output liquid, and liquid input or delivery outlet are arranged in the bottom of hydraulic cylinder (3), or move
On component.
5. threading formula hydraulic elevator according to claim 1, it is characterised in that: the prestressing mechanism (8) is with certain
Prestressing force connects at the top of elevator (1), with balance hydraulic cylinder (3) self weight or load impacting or deformation, while being hydraulic cylinder (3)
It seals cylinder strip and tensile force is provided, be at prestressing force working condition, the lateral seam of hydraulic cylinder (3) when keeping lifting/downlink
Mouth sealing；Or prestressing mechanism (8) is not connected at the top of elevator (1), only the envelope cylinder strip of hydraulic cylinder (3) provides tensile force,
To keep sealing.
6. threading formula hydraulic elevator according to claim 1, it is characterised in that: the chain wheel rope group (7) and to recombination (4)
It is simutaneously arranged to offset most of self weight of lift car (2)；Or do not arrange chain wheel rope group (7) and to recombination (4).
7. threading formula hydraulic elevator according to claim 1 or 2, it is characterised in that: the hydraulic cylinder (3) is one in longitudinal direction
Body manufacture；Or segmentation manufacture is tightly connected.
8. threading formula hydraulic elevator according to claim 1, it is characterised in that: the electronic management system (6) and hydraulic unit
(5) spatially discrete arrangement；Or it connect with lift car (2) and moves together.
9. threading formula hydraulic elevator according to claim 1 or 8, it is characterised in that: the electronic management system (6) and hydraulic press
The signal line that group (5) is set out uses wired mode or wireless mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008104.2A CN106744168B (en) | 2016-11-16 | 2016-11-16 | A kind of threading formula hydraulic elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008104.2A CN106744168B (en) | 2016-11-16 | 2016-11-16 | A kind of threading formula hydraulic elevator |
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| Publication Number | Publication Date |
|---|---|
| CN106744168A CN106744168A (en) | 2017-05-31 |
| CN106744168B true CN106744168B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008104.2A Expired - Fee Related CN106744168B (en) | 2016-11-16 | 2016-11-16 | A kind of threading formula hydraulic elevator |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6085872A (en) * | 1998-03-25 | 2000-07-11 | Thyssen Elevator Holding Corporation | Roped hydraulic elevator |
| CN1718526A (en) * | 2004-07-07 | 2006-01-11 | 王秋楠 | High safety oil hydraulic elevator |
| JP2011195309A (en) * | 2010-03-23 | 2011-10-06 | Mitsubishi Electric Building Techno Service Co Ltd | Method for renewal of hydraulic elevator and rope elevator renewed by the method |
| CN203294990U (en) * | 2013-04-22 | 2013-11-20 | 苏州科达液压电梯有限公司 | Energy-saving hydraulic lift |
| CN203715041U (en) * | 2014-02-27 | 2014-07-16 | 陕西帝奥电梯有限公司 | High stability hydraulic elevator |
-
2016
- 2016-11-16 CN CN201611008104.2A patent/CN106744168B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901814A (en) * | 1996-10-28 | 1999-05-11 | Otis Elevator Company | Hydraulic elevator having a counterweight |
| JPH10279227A (en) * | 1997-04-07 | 1998-10-20 | Hitachi Ltd | Hydraulic elevator equipped with balance weight |
| US6085872A (en) * | 1998-03-25 | 2000-07-11 | Thyssen Elevator Holding Corporation | Roped hydraulic elevator |
| CN1718526A (en) * | 2004-07-07 | 2006-01-11 | 王秋楠 | High safety oil hydraulic elevator |
| JP2011195309A (en) * | 2010-03-23 | 2011-10-06 | Mitsubishi Electric Building Techno Service Co Ltd | Method for renewal of hydraulic elevator and rope elevator renewed by the method |
| CN203294990U (en) * | 2013-04-22 | 2013-11-20 | 苏州科达液压电梯有限公司 | Energy-saving hydraulic lift |
| CN203715041U (en) * | 2014-02-27 | 2014-07-16 | 陕西帝奥电梯有限公司 | High stability hydraulic elevator |
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| Publication number | Publication date |
|---|---|
| CN106744168A (en) | 2017-05-31 |
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