CN107686034A - A kind of elevator hydraulic damping device - Google Patents

A kind of elevator hydraulic damping device Download PDF

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Publication number
CN107686034A
CN107686034A CN201710742228.1A CN201710742228A CN107686034A CN 107686034 A CN107686034 A CN 107686034A CN 201710742228 A CN201710742228 A CN 201710742228A CN 107686034 A CN107686034 A CN 107686034A
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CN
China
Prior art keywords
steel
side plate
plate
piston
steel side
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Granted
Application number
CN201710742228.1A
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Chinese (zh)
Other versions
CN107686034B (en
Inventor
费鸿禄
杨智广
谭文华
蒋安俊
苏强
王振达
邓政
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Liaoning Technical University
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Liaoning Technical University
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Publication date
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Priority to CN201710742228.1A priority Critical patent/CN107686034B/en
Publication of CN107686034A publication Critical patent/CN107686034A/en
Application granted granted Critical
Publication of CN107686034B publication Critical patent/CN107686034B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/28Buffer-stops for cars, cages, or skips
    • B66B5/282Structure thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

A kind of elevator hydraulic damping device of the present invention, including the first steel side plate, the affixed upper steel plate in upper end of first steel side plate, the affixed steel sole plate in its lower end, form first, second, 3rd cavity, airport is opened up on first steel side plate and the second steel side plate, accumulator is set in the 3rd cavity, accumulator is fixed in upper steel plate inwall, lower piston and upper piston are provided with the second cavity, spring is provided between upper piston and lower piston, hydraulic oil or other incompressible liquids are filled between lower piston and steel sole plate, accumulator is connected with hydraulic cavities by oil transportation steel pipe, plunger is also connected with upper piston, plunger extends to the top of upper steel plate through upper steel plate, its upper end portion is provided with rubber blanket.Device is based on hydraulic cushion principle and air throttle acts on, and power consumption buffering is carried out to lift car using air and hydraulic oil or other incompressible liquids, and two-piston, the distance of flexible regulation between the two, so as to reach more preferable buffering effect are connected using spring.

Description

A kind of elevator hydraulic damping device
Technical field:
The present invention relates to elevator safety technical field, and in particular to a kind of elevator hydraulic damping device.
Background technology:
With the continuous expansion of people's living space, make that high-rise, high-rise building is increasing, the application of elevator is increasingly Generally, the also more and more higher of the requirement to elevator, the speed of elevator becomes increasingly faster, while the space in elevator tunnel also will Change, so bulky metal spring buffer is no longer applicable, with the continuous development of scientific technology, people are in poly- ammonia Gradual perfection in terms of the design of ester spring and experiment, then have developed plastics formula spring buffer, nonetheless, its acting Principle still falls within accumulating type buffer type.With the continuous speed-raising of elevator, this type buffer is to conform to Ask, in order to meet use demand, then it has been developed that hydraulic buffer is hydraulic buffer.
Hydraulic bjuffer is a kind of buffer suitable for high speed impact resetted using piston accumulator.Buffer master Realize buffering and reset two function courses, designed novel buffer is stored using accumulator in buffering course Energy realizes plunger return, and under the conditions of identical stop, the time of this buffer cushioning effect is short, most kinetic energy The interior energy that fluid is converted into by accumulator stores, and another part is converted into thermal energy consumption by throttling action and fallen.According to some The design and research of oil buffer reaches power consumption depressurization it is recognized that while slow down pressure using throttle style, but due to Designed throttle hole area is excessive with stroke change, i.e., orifice size can quickly diminish, and this causes car to produce impact and shake It is dynamic, so as to cause steadily to stop., certainly will also can be because and most of hydraulic bjuffers all use similar throttle style now Change for throttle hole area with stroke and produce greatly and vibrate and impact very much.
Therefore, it is necessary to a kind of elevator hydraulic damping device be worked out, to solve the above problems.
The content of the invention:
The present invention devises a kind of elevator hydraulic damping device, the device using air and hydraulic oil or other can not press The throttling buffering effect of contracting liquid, ensure that oily throttle hole area is constant, so as to reach steady buffering, reduce elevator failure impact Caused vibration.
To achieve the above object, the present invention uses following technical scheme:
A kind of elevator hydraulic damping device provided by the invention, including the first steel side plate, the upper end of the first steel side plate Upper steel plate is connected with, its lower end is connected with steel sole plate, and it is empty that first is formed between the first steel side plate, upper steel plate and steel sole plate Chamber, the second steel side plate is provided with first cavity, second is formed between the second steel side plate, upper steel plate and steel sole plate Cavity, the 3rd cavity, the first steel side plate are formed between the second steel side plate, the first steel side plate, upper steel plate and steel sole plate Airport is offered with the second steel side plate, second cavity to be connected with the 3rd cavity, by the described 3rd Cavity is connected with outside air, and accumulator is set in the 3rd cavity, and the accumulator is fixed in the upper steel plate inwall, Lower piston and upper piston are provided with second cavity, spring is provided between the upper piston and lower piston, under described Be filled with hydraulic oil or other incompressible liquids between piston and steel sole plate, form hydraulic cavities, the accumulator with it is described Hydraulic cavities are connected by oil transportation steel pipe, and plunger is also connected with the upper piston, and the plunger extends to through the upper steel plate The top of upper steel plate, its upper end portion is provided with rubber blanket.
Annular boss structure, the both ends of the spring are provided with the upper piston lower surface and the upper surface of lower piston It is respectively placed in the hollow space of annular boss structure.
Seamless welding, the upper steel plate and steel sole plate and the first steel side plate, second are used between the plunger and upper piston Seamless welding is used between steel side plate.
Multiple baffle plates are disposed radially in the oil transportation steel pipe, the baffle plate separates to oil transportation steel pipe, block institute The flowing of hydraulic oil or other incompressible liquids in oil transportation steel pipe is stated, throttle orifice is opened up on the baffle plate.
The first steel side plate is steel plate, and the second steel side plate is sheet metal.
The area that airport is opened up on the first steel side plate is more than the area that airport is opened up on the second steel side plate, And first steel side plate be to be provided with airport between the height where in its upper end to lower piston zero load.
The airport that foot opens up on the second steel side plate is the 1.5 of lower piston thickness apart from the distance of lower piston Times.
The airport opened up on the first steel side plate and the second steel side plate is staggered.
The airport is circle.
The outline of the first steel side plate is circular or square.
A kind of beneficial effect of elevator hydraulic damping device of the present invention:Constructively using spring connection two-piston, make two Piston can be according to the difference of plunger institute stress, the distance of automatic flexible regulation between the two, so as to reach preferably buffering effect Fruit;Device is based on hydraulic cushion principle and air throttle acts on, and utilizes air and hydraulic oil or other incompressible liquids pair Lift car carries out power consumption buffering, and the orifice size of hydraulic oil or other incompressible liquids is not in whole buffering course Become, effectively overcome original hydraulic damping device caused by throttle hole area reduces rapidly impact shock it is intrinsic Defect, so as to reach more preferable buffering effect.
Brief description of the drawings:
Fig. 1 is a kind of structural representation of elevator hydraulic damping device of the present invention;
1- the first steel side plates, 2- upper steel plates, 3- steel sole plates, the cavitys of 4- first, 5- the second steel side plates, the cavitys of 6- second, 7- 3rd cavity, 8- airports, 9- accumulators, 10- lower pistons, 11- upper pistons, 12- springs, 13- hydraulic cavities, 14- oil transportation steel pipes, 15- plungers, 16- rubber blankets, 17- annular boss structures, 18- baffle plates, 19- throttle orifices.
Embodiment:
With reference to embodiment, the present invention is described in further detail.
According to Fig. 1, a kind of elevator hydraulic damping device provided by the invention, including the first steel side plate 1, the first steel side The upper end of plate 1 is connected with upper steel plate 2, and its lower end is connected with steel sole plate 3, and when using described device, the setting-in of steel sole plate 3 is solid Due in the neck of elevator pit, the outline of the first steel side plate 1 is circular or square, the first steel side plate 1, upper steel The first cavity 4 is formed between plate 2 and steel sole plate 3, the second steel side plate 5, the second steel side are provided with first cavity 4 The second cavity 6, the second steel side plate 5, the first steel side plate 1, upper steel plate 2 and steel are formed between plate 5, upper steel plate 2 and steel sole plate 3 The 3rd cavity 7 is formed between bottom plate 3, offers airport 8 on the first steel side plate 1 and the second steel side plate 5, to by institute State the second cavity 6 to connect with the 3rd cavity 7, the 3rd cavity 7 is connected with outside air, in the 3rd cavity 7 Middle setting accumulator 9, the accumulator 9 is fixed in the inwall of upper steel plate 2, and specifically, the accumulator 9 is inverted in described the In three cavitys 7, its bottom is welded in the upper steel plate 2, and lower piston 10 and upper piston 11 are provided with second cavity 6, Spring 12 is provided between the upper piston 11 and lower piston 10, in the present embodiment, in the lower surface of upper piston 11 with Annular boss structure 17 is provided with the upper surface of piston 10, the both ends of the spring 12 are respectively placed in annular boss structure 17 Hollow space, to the end of spring 12 carry out it is spacing, be filled with liquid between the lower piston 10 and steel sole plate 3, can be liquid Force feed or other incompressible liquids, form hydraulic cavities 13, and the accumulator 9 passes through oil transportation steel pipe 14 with the hydraulic cavities 13 Connection, has been disposed radially multiple baffle plates 18, the baffle plate 18 is perpendicular to the oil transportation steel pipe 14 in the oil transportation steel pipe 14 Set, oil transportation steel pipe 14 is separated, the stream of hydraulic oil or other incompressible liquids in oil transportation steel pipe 14 described in block It is dynamic, throttle orifice 19 is opened up on the baffle plate 18, in the present embodiment, using three baffle plates 18 so that throttle orifice 19 is in three layers Arrangement, to strengthen throttle effect, is also connected with plunger 15, the plunger 15 prolongs through the upper steel plate 2 on the upper piston 11 The top of upper steel plate 2 is extended, the upper end of plunger 18 is provided with rubber blanket 16.
Further, seamless welding is used between the plunger 15 and upper piston 11, to ensure plunger 15 and upper piston Air-tightness between 11, gas leakage is prevented, is used between the steel side plate 1 of upper steel plate 2 and steel sole plate 3 and first, the second steel side plate 5 Seamless welding, make to form airtight cavity between the steel side plate 1 of upper steel plate 2 and steel sole plate 3 and first, the second steel side plate 2, ensure Air-tightness it is good.
Further, the first steel side plate 1 is steel plate so that integral frame structure is more firm, and intensity is higher, institute It is sheet metal to state the second steel side plate 5, more economical practical to reduce installation cost.
Further, the airport 8 is circle, is evenly distributed on the first steel side plate 1 and the second steel side plate 5, And the airport 8 that foot opens up on the second steel side plate 5 is the 1.5 of the thickness of lower piston 10 apart from the distance of lower piston 10 Times so that when not by lift car active force, there is the airport 8 of bottom device apart from lower piston 10 on the second steel side plate 5 Certain safe distance, hydraulic oil or other incompressible liquids are avoided to be oozed out from airport 8, and the first steel side plate 1 and second the airport 8 opened up on steel side plate 5 be staggered.
Further, opened up on the first steel side plate 1 airport 8 area be more than the second steel side plate 5 on open up The area of airport 8, the first steel side plate are set between the height where in 10 zero load of its upper end and lower piston There is airport.
Operation principle is used by a kind of elevator hydraulic damping device of the present invention:
When in use, the hydraulic cavities 12 of elevator hydraulic damping device are fixed in the neck of elevator pit, in original state Plunger 15 reaches outermost, and after the upper end of plunger 15 is impacted by car, air chamber and hydraulic cavities produce high pressure, and air is by sky Stomata flows out, while hydraulic oil or other incompressible liquids enter in accumulator 9 from throttle orifice, due to hydraulic oil or its His bulk modulus of incompressible liquid is bigger than air, and the displacement of upper piston 11 is bigger than the displacement of lower piston 10.Then analyzing The compressibility of hydraulic oil or other incompressible liquids can be ignored during problem.So, into the hydraulic pressure of accumulator 9 Oil or other incompressible liquids force in accumulator piston to move up and compression reseting spring 12, due to air and hydraulic oil or The throttling action of other incompressible liquids of person, and the buffering of spring 12, shock loading speed in the presence of buffer unit Soon it can reduce.Due to hydraulic oil or the throttling action of other incompressible liquids and air, the one of alluvium Part kinetic energy is changed into hydraulic oil or the heat energy of other incompressible liquids and air, and dissipates naturally, and other one Transfer can be converted into the potential energy of deformation of back-moving spring in accumulator 9.After buffering terminates, the potential energy that back-moving spring 12 stores starts to release Put, move down the piston in accumulator, hydraulic oil or other incompressible liquids are pushed back in hydraulic cavities, are made on lower piston 10 Move, air return in air chamber, until plunger reaches initial buffer position.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that:Still may be used Modified or equivalent substitution with the embodiment to the present invention, and repaiied without departing from any of spirit and scope of the invention Change or equivalent substitution, it all should cover among present claims scope.

Claims (10)

  1. A kind of 1. elevator hydraulic damping device, it is characterised in that:Including the first steel side plate, the upper end of the first steel side plate is affixed There is upper steel plate, its lower end is connected with steel sole plate, and the first cavity is formed between the first steel side plate, upper steel plate and steel sole plate, The second steel side plate is provided with first cavity, the second cavity is formed between the second steel side plate, upper steel plate and steel sole plate, The 3rd cavity, the first steel side plate and second are formed between the second steel side plate, the first steel side plate, upper steel plate and steel sole plate Offer airport on steel side plate, second cavity to be connected with the 3rd cavity, by the 3rd cavity with Outside air connects, and accumulator is set in the 3rd cavity, the accumulator is fixed in the upper steel plate inwall, described Lower piston and upper piston are provided with second cavity, is provided with spring between the upper piston and lower piston, the lower piston with Hydraulic oil or other incompressible liquids are filled between steel sole plate, form hydraulic cavities, the accumulator and the hydraulic cavities Connected by oil transportation steel pipe, plunger is also connected with the upper piston, the plunger extends to upper steel plate through the upper steel plate Top, its upper end portion is provided with rubber blanket.
  2. A kind of 2. elevator hydraulic damping device according to claim 1, it is characterised in that:The upper piston lower surface is with Annular boss structure is provided with the upper surface of piston, the both ends of the spring are respectively placed in the hollow bulb of annular boss structure Point.
  3. A kind of 3. elevator hydraulic damping device according to claim 1, it is characterised in that:Between the plunger and upper piston Using seamless welding, seamless welding is used between the upper steel plate and steel sole plate and the first steel side plate, the second steel side plate.
  4. A kind of 4. elevator hydraulic damping device according to claim 1, it is characterised in that:In the oil transportation steel pipe radially Be provided with multiple baffle plates, the baffle plate separates to oil transportation steel pipe, described in block in oil transportation steel pipe hydraulic oil or other not The flowing of compressible liquid, throttle orifice is opened up on the baffle plate.
  5. A kind of 5. elevator hydraulic damping device according to claim 1, it is characterised in that:The first steel side plate is thick steel Plate, the second steel side plate are sheet metal.
  6. A kind of 6. elevator hydraulic damping device according to claim 1, it is characterised in that:Opened up on the first steel side plate The area of airport, which is more than on the second steel side plate, opens up the area of airport, and the first steel side plate be in its upper end under Airport is provided between height where during piston zero load.
  7. A kind of 7. elevator hydraulic damping device according to claim 1, it is characterised in that:It is most lower on the second steel side plate The airport that portion opens up is apart from 1.5 times that the distance of lower piston is lower piston thickness.
  8. A kind of 8. elevator hydraulic damping device according to claim 1, it is characterised in that:The first steel side plate and second The airport opened up on steel side plate is staggered.
  9. A kind of 9. elevator hydraulic damping device according to claim 1, it is characterised in that:The airport is circle.
  10. A kind of 10. elevator hydraulic damping device according to claim 1, it is characterised in that:Outside the first steel side plate Profile is circular or square.
CN201710742228.1A 2017-08-25 2017-08-25 A kind of elevator hydraulic damping device Expired - Fee Related CN107686034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710742228.1A CN107686034B (en) 2017-08-25 2017-08-25 A kind of elevator hydraulic damping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710742228.1A CN107686034B (en) 2017-08-25 2017-08-25 A kind of elevator hydraulic damping device

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CN107686034A true CN107686034A (en) 2018-02-13
CN107686034B CN107686034B (en) 2019-04-02

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108189793A (en) * 2018-02-28 2018-06-22 林向阳 A kind of energy absorption device
CN110054048A (en) * 2019-04-19 2019-07-26 辽宁工程技术大学 A kind of spring buffer of elevator failure detection assessment system
CN110107105A (en) * 2019-05-31 2019-08-09 匡雄伟 A kind of construction Machines fall arrest buffer unit
CN110318551A (en) * 2019-08-06 2019-10-11 重庆建工住宅建设有限公司 A kind of Shock-proof for building correcting structure and bearing calibration
CN110594341A (en) * 2019-09-23 2019-12-20 安徽誉林汽车部件有限公司 Drum-type shock absorber for automobile suspension
CN111301232A (en) * 2019-11-29 2020-06-19 宁波夏厦齿轮有限公司 Automobile seat gear transmission assembly
CN113137946A (en) * 2021-04-20 2021-07-20 湖北三江航天机电设备有限责任公司 Stand up and erect device support stress and displacement detecting system
CN113550444A (en) * 2021-08-26 2021-10-26 仲恺农业工程学院 Assembled shear connector
CN114076170A (en) * 2022-01-20 2022-02-22 江苏三尔汽车部件有限公司 Drum-type shock absorber for automobile suspension
CN115288013A (en) * 2022-08-09 2022-11-04 中铁第四勘察设计院集团有限公司 Collision protection device, bridge and construction method of bridge

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Publication number Priority date Publication date Assignee Title
JP2012172829A (en) * 2011-02-24 2012-09-10 Mitsubishi Electric Corp Hydraulic shock absorber for elevator
JP2013001481A (en) * 2011-06-14 2013-01-07 Mitsubishi Electric Corp Oil-filled buffer of elevator
CN102985349A (en) * 2010-04-22 2013-03-20 Ta萨弗里有限公司 A buffer
CN202944963U (en) * 2012-12-05 2013-05-22 浙江奥特电梯有限公司 Adjustable lift buffering device
CN203624761U (en) * 2014-01-03 2014-06-04 浙江西沃电梯有限公司 Shock absorption device of elevator shaft
CN104444698A (en) * 2014-12-15 2015-03-25 重庆和航科技股份有限公司 Elevator adaptive reduction damping force buffer system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102985349A (en) * 2010-04-22 2013-03-20 Ta萨弗里有限公司 A buffer
JP2012172829A (en) * 2011-02-24 2012-09-10 Mitsubishi Electric Corp Hydraulic shock absorber for elevator
JP2013001481A (en) * 2011-06-14 2013-01-07 Mitsubishi Electric Corp Oil-filled buffer of elevator
CN202944963U (en) * 2012-12-05 2013-05-22 浙江奥特电梯有限公司 Adjustable lift buffering device
CN203624761U (en) * 2014-01-03 2014-06-04 浙江西沃电梯有限公司 Shock absorption device of elevator shaft
CN104444698A (en) * 2014-12-15 2015-03-25 重庆和航科技股份有限公司 Elevator adaptive reduction damping force buffer system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108189793A (en) * 2018-02-28 2018-06-22 林向阳 A kind of energy absorption device
CN110054048A (en) * 2019-04-19 2019-07-26 辽宁工程技术大学 A kind of spring buffer of elevator failure detection assessment system
CN110107105A (en) * 2019-05-31 2019-08-09 匡雄伟 A kind of construction Machines fall arrest buffer unit
CN110318551A (en) * 2019-08-06 2019-10-11 重庆建工住宅建设有限公司 A kind of Shock-proof for building correcting structure and bearing calibration
CN110318551B (en) * 2019-08-06 2024-03-22 重庆建工住宅建设有限公司 Building shockproof correction structure and correction method
CN110594341A (en) * 2019-09-23 2019-12-20 安徽誉林汽车部件有限公司 Drum-type shock absorber for automobile suspension
CN110594341B (en) * 2019-09-23 2021-06-18 安徽誉林汽车部件有限公司 Drum-type shock absorber for automobile suspension
CN111301232A (en) * 2019-11-29 2020-06-19 宁波夏厦齿轮有限公司 Automobile seat gear transmission assembly
CN113137946A (en) * 2021-04-20 2021-07-20 湖北三江航天机电设备有限责任公司 Stand up and erect device support stress and displacement detecting system
CN113550444A (en) * 2021-08-26 2021-10-26 仲恺农业工程学院 Assembled shear connector
CN114076170A (en) * 2022-01-20 2022-02-22 江苏三尔汽车部件有限公司 Drum-type shock absorber for automobile suspension
CN115288013A (en) * 2022-08-09 2022-11-04 中铁第四勘察设计院集团有限公司 Collision protection device, bridge and construction method of bridge

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Granted publication date: 20190402