CN104444697B - There is the elevator device of adaptability damping force safety device - Google Patents
There is the elevator device of adaptability damping force safety device Download PDFInfo
- Publication number
- CN104444697B CN104444697B CN201410771978.8A CN201410771978A CN104444697B CN 104444697 B CN104444697 B CN 104444697B CN 201410771978 A CN201410771978 A CN 201410771978A CN 104444697 B CN104444697 B CN 104444697B
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- damping
- elevator
- buffer
- elevator car
- adaptability
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- 238000013016 damping Methods 0.000 title claims abstract description 97
- 230000003139 buffering effect Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 4
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009411 base construction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of elevator device with adaptability damping force safety device, including elevator car and buffering assembly, buffering assembly includes Buffer Unit and magnetorheological damping component；Magnetorheological damping component includes magnetorheological damping body and control system；Damping intervened in buffer spring compression process by magnetorheological damping component of the present invention, form the buffer damping mode that goes forward one by one, and the parameter of the parameter adjustment magnetic flow liquid fallen according to elevator car, and bottom out damping force in buffering course in elevator car gradually to increase, and increase process is rapid and gentle compared with common spring, final stage forms buffer damping, realize the ride comfort of downstream buffer and with enough variable damping forces, therefore the damping process of cushion stroke and laddering gradual change can be increased compared with prior art, the less spring of coefficient of elasticity can be adopted in scheme, the adaptive damping intervention in later stage combines the elastic buffer of early stage, use suitable for express elevator, there is the effect of dynamic application at any time.
Description
Technical field
The present invention relates to a kind of special equipment, special type is related to a kind of cage type elevator with security system.
Background technology
Cage type elevator is a kind of vehicles for solving vertical transport, is closely connected with daily life；Existing
Cage type elevator is mainly made up of traction machine, switch board, elevator car, guide rail etc., realizes more rapidly uplink and downlink；In order to
Realize uplink and downlink and relevant device be installed, building or other using where cage type elevator can type of construction elevators hoistway,
To realize trouble-free operation.
By mechanical force traction, the uplink and downlink of cage type elevator typically realize that structure is complex, due to use environment,
The problems such as cycle and ageing equipment, quality, in the case of causing elevator elevator car without constraint or finite constraint under
Pendant, with more serious safety problem.In prior art, in order to solve (directly to drop to hoistway by elevator car rigid touch bottom
Bottom) serious danger is caused to occupant, in shaft bottom, buffer unit is set；For express elevator buffer unit is hydraulic pressure
Buffering, for slower elevators are then typically using the structure of buffer spring, and so considers the mainly coefficient of elasticity of spring, stroke
Relation between elevator car, therefore, the spring that express elevator then can not adopt coefficient of elasticity larger otherwise has significantly
Rigid touch bottom is felt, so as to cause the accident；Importantly, above-mentioned buffer structure could not have according to the whereabouts of elevator car and adapt to
Property, therefore row buffering cannot be entered according to situation about falling.
Accordingly, it would be desirable to existing elevator cushion construction is improved, slow when elevator car occurs improper bottoming out
During punching, damping force adaptability is gone forward one by one increase, and the damping force later stage for increasing participates in, and realizes the ride comfort and tool of downstream buffer
There are enough damping forces that goes forward one by one, therefore can increase cushion stroke compared with prior art and reduce the coefficient of elasticity of spring, carry
The security performance of jacking elevator.
Content of the invention
In view of this, it is an object of the invention to provide a kind of elevator device with adaptability damping force safety device, in electricity
There is damping force adaptability in improper buffering course when bottoming out and go forward one by one increase in elevator car body, and the damping force later stage for increasing joins
With realize the ride comfort of downstream buffer and with enough damping forces that goes forward one by one, therefore can increase buffering compared with prior art
Stroke and the coefficient of elasticity of reduction spring, the security performance of hoisting elevator.
The elevator device with adaptability damping force safety device of the present invention, including elevator car and buffering assembly, institute
Stating buffering assembly includes that being fixedly installed on elevator bottom is used for preventing the Buffer Unit at elevator car rigid touch bottom and in buffering
Component is formed the magnetorheological damping component of damping during elevator car elastic compression to elevator car；
The magnetorheological damping component includes magnetorheological damping body and control system；
The control system includes：
Solenoid, for providing electromagnetic field for magnetorheological damping body；
Power subsystem, for providing power supply for solenoid；
Descent parameters detector unit, for detecting the descent parameters of elevator car；
CPU, for receiving the data-signal of descent parameters detector unit and according to the signal to power subsystem
Offer power command is provided.
Further, buffer spring on the basis of the Buffer Unit includes being arranged at and it is supported in slow at the top of buffer spring
Punching, the buffer board is just to elevator car bottom；
Further, the piston rod that the magnetorheological damping body is included cylinder body, damping piston and is fixedly connected with damping piston,
It is magnetic flow liquid in the cylinder body, on damping piston, is provided with damping hole, the piston rod is electric by buffer board in buffer spring
Engage with buffer board in elevator car body compression process, damping is formed to buffer board by damping piston；The solenoid is located at cylinder body
Around；
Further, the buffer spring is variable-pitch spring；
Further, the pitch of the buffer spring is become larger from bottom to top；
Further, relative with piston rod be provided with the buffer board by can axially directed in the way of be coated at piston rod
Fairlead；
Further, the fairlead is arranged at buffer board by a pedestal is integrally formed, and the pedestal has positioned at guiding
Contact end face in set with the engagement of piston rod tip contact；
Further, the buffer board is used for arranging at pedestal thickening and processes, and is formed by pedestal successively horizontal size upwards
The structure for gradually increasing；
Further, the buffer board upper surface, piston rod upper surface and pedestal lower surface are respectively provided with cushion；
Further, the descent parameters detector unit includes：
Falling speed detection sensor, for detecting elevator car falling speed parameter；
Elevator box weight parameter sensor, for detecting the real-time load weight parameter of elevator box；
Whereabouts contact detection sensor, to buffering group during for detecting elevator car whereabouts and contact with Buffer Unit
The pressure parameter that part is produced.
Beneficial effects of the present invention：The elevator device with adaptability damping force safety device of the present invention, safety device
The structure combined with magnetorheological damping component using buffer spring, and magnetorheological damping component is in buffer spring compression process
Intervention damping, forms the buffer damping mode that goes forward one by one, and the parameter of the parameter adjustment magnetic flow liquid fallen according to elevator car, such as
The big then magnetic flow liquid electrical current of falling speed increases retrogradation, to increase damping force, and bottoms out buffering course in elevator car
Middle damping force gradually increases, and increase process is rapid and gentle compared with common spring, and final stage forms buffer damping, realizes
The ride comfort of downstream buffer and with enough variable damping forces, therefore can increase cushion stroke compared with prior art and pass
Enter the damping process of formula gradual change, the adaptive damping intervention in the less spring of coefficient of elasticity, later stage in scheme, can be adopted to combine early stage
Elastic buffer, it is adaptable to express elevator use, the effect with dynamic application at any time so that elevator car is bottomed out front and connect
The comfortableness and reliability of the moment of tactile Buffer Unit effectively improves, the security performance of hoisting elevator.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Fig. 1 is the structural representation of the present invention, as shown in the figure：The present embodiment with adaptability damping force safety device
Elevator device, including elevator car 1 and buffering assembly, the buffering assembly includes that being fixedly installed on elevator bottom is used for preventing
The Buffer Unit at elevator car rigid touch bottom and during Buffer Unit is by 1 elastic compression of elevator car to 1 shape of elevator car
Magnetorheological damping component into damping；
The magnetorheological damping component includes magnetorheological damping body and control system；
The control system includes：
Solenoid 18, for providing electromagnetic field for magnetorheological damping body；
Power subsystem 14, for providing power supply for solenoid 18；
Descent parameters detector unit, for detecting the descent parameters of elevator car；
CPU 15, for receiving the data-signal of descent parameters detector unit and according to the signal to power supply list
Unit sends offer power command；
Elevator box 1 can have different speed and inertia according to differing heights and load-carrying in dropping process, because
And for buffer unit, it is desirable to provide different cushion effects and damping force；In the present invention, using descent parameters detector unit
Gravity, speed and the pressure parameter produced by buffer unit for detecting, adjusts solenoid by CPU 15
18 energization intensity, to adjust magnetic field intensity, so as to reach the purpose of adjustment magnetic flow liquid machinery, physical property, to change resistance
Buddhist nun's power；When gravity, speed and to buffer unit produce pressure parameter bigger than normal when, in order to prevent rapid decrease and avoid rigidity
Bottom out, then increase energization intensity, magnetic flow liquid entirety retrogradation, damping force increase；Vice versa；CPU is according to much
Gravity, speed and to buffer unit produce pressure parameter institute using much energization intensity then belong to existing by experiment
I.e. confirmable control method, will not be described here.
In the present embodiment, the Buffer Unit includes the buffer spring 3 being arranged on basis 8 and is supported in buffer spring 3
The buffer board 13 at top, the buffer board 13 is just to 1 bottom of elevator car；Basis 8 refers to the installation for Buffer Unit
Basis；As illustrated, being additionally provided with basis 8 for installing the spring base 6 of buffer spring 3, can be used to adjust spring 3 most
Big compression travel and limited compression position；The quantity of buffer spring 3 can be installed as needed, and generally more than three along circle
Circumferential direction is uniformly arranged；Can install to match somebody with somebody using lead column at the top of buffer board 13 and buffer spring 3 and be merged into capable welding, it is to avoid buffering
Or depart from during bounce-back；The buffer spring 3 is installed on basis by the spring base 6 being fixed on basis 8, it is ensured that spring
Installation strength simultaneously can change the height of spring base as needed, reach the purpose of adjustment its length, so as to adjust compression travel.
In the present embodiment, the magnetorheological damping body is included cylinder body 9, damping piston 10 and is fixedly connected with damping piston 10
Piston rod 5, be magnetic flow liquid in the cylinder body 9, on damping piston 10, be provided with damping hole, the piston rod 5 is in buffer spring
Engaged with buffer board 13 in 1 compression process of elevator car by buffer board 13 and (have at the top of buffer board 13 and piston rod 5 and set
Spacing, as shown in the figure), damping is formed to buffer board 13 by damping piston 10；The solenoid 18 is located at around cylinder body 9；
In the present invention, before buffer spring 3 is compressed and is not reaching to compression limit, the piston rod 5 of damper assembly is depressed row, resistance
Buddhist nun's piston 10 has an effect to form damping, now determines damping force according to 1 drawdown parameter of elevator box, common with buffer spring 3
Buffer damping is formed, the mode that piston rod 5 is engaged with buffer board is usually the way of contact, i.e. the descending directly contact piston of buffer board
Bar upper end, you can realize the effect of descending damping；As illustrated, having damping hole (to set as needed on damping piston 10
Size and number), magnetic flow liquid is full of in cylinder body, when piston is moved under external force, magnetic flow liquid is only logical by damping hole
Cross, viscosity determines damping force and forms damping；As illustrated, cylinder body 9 is embedded among basis 8, solenoid 18 is located in basis
And 8 isolated by division board with basis, 9 top of cylinder body is sealed by cylinder cap 11, and cylinder cap 11 is by the lower margin spiral shell that is embedded on basic 8
Bolt 7 is sealedly attached to cylinder body 9, is integrally formed the axle sleeve 12 for being oriented to piston rod on cylinder cap 11；Using buffer spring and resistance
The structure that Buddhist nun's component combines, bottoms out the work that laddering buffer damping is played in damper assembly engagement in buffering course in elevator car
With the structure can increase the cushion stroke of Buffer Unit and reduce the elastic coefficient, the whole buffering of the realization that more can be relaxed；
The structure is suitable to all cage type elevators and uses, and when elevator accident is bottomed out, ensure that compression that is gentle, gradually going forward one by one is delayed
Punching.
In the present embodiment, the buffer spring 3 is variable-pitch spring；Damping force in buffering course is bottomed out in elevator car 1
Gradually increase, and increase process is rapid and gentle compared with common spring, realize the ride comfort of downstream buffer and with enough
Damping force, therefore can increase the coefficient of elasticity of cushion stroke and gradual change compared with prior art, can form automatic adjustment spring power
The technical scheme of this critical performance parameters, be applicable to express elevator use, the effect with dynamic application at any time, in conjunction with
The relative damping structure for going forward one by one of buffer spring so that elevator car 1 bottoms out the comfortableness of the moment of front and contact Buffer Unit
Effectively improve with reliability, the security performance of hoisting elevator.
In the present embodiment, the pitch of the buffer spring 3 is become larger from bottom to top；Can be in the wink of the contact of elevator car 1
Between can submissive buffering at once, and gradually increase coefficient of elasticity.
In the present embodiment, relative with piston rod 5 be provided with the buffer board by can axially directed in the way of be coated at work
The fairlead 4 of stopper rod 5；Using 4 structure of fairlead, the lateral orientation of buffer board 13 and piston rod 5 can be limited, so as to realize effectively
Engagement damping.
In the present embodiment, the fairlead 4 is arranged at buffer board 13 by a pedestal 2 is integrally formed, and the pedestal 2 has
There is the contact end face with the engagement of piston rod tip contact in fairlead 4；As illustrated, structure top base 2 is located at fairlead 4
Interior, base height can be set as needed using base construction, so as to adjust engagement stroke, (contact end face is with piston rod in normality
Under setting spacing), and increase engagement after load ability.
In the present embodiment, the buffer board 13 is used for arranging thickening process at pedestal 2, and is formed by pedestal 2 successively upwards
The structure that horizontal size gradually increases；As illustrated, staircase structural model is formed down by buffer board 13, be followed successively by thickening layer, base
Seat 2 and fairlead 4, the force structure according to damping form stable load basis, so as to be further ensured that buffer damping process
In security.
In the present embodiment, 13 upper surface of the buffer board, 5 upper surface of piston rod and 2 lower surface of pedestal are respectively provided with buffering
Layer；The cushion is prevented from direct rigid contact, so as to ensure security and compliance.
In the present embodiment, the descent parameters detector unit includes：
Falling speed detection sensor 16, for detecting elevator car falling speed parameter；Elevator is arranged at, can be adopted
Hall element such as tests the speed at the existing velocity sensor, will not be described here；
Elevator box weight parameter sensor 19, for detecting the real-time load weight parameter of elevator box.May be disposed at
Elevator car bottom or other load parts；
The present embodiment also includes whereabouts contact detection sensor 17, for detect elevator car 1 fall and with buffering
Pressure parameter Buffer Unit produced during component touch；Whereabouts contact detection sensor 17 is arranged at elevator box anon-normal
The part contacted when often falling, the buffer board upper surface of such as the present embodiment；
The needs that buffering inertia can be obtained by above-mentioned elevator car falling speed parameter and real-time load weight parameter,
The size of adjustment electric current is needed according to this, and the adjustment can be carried out in elevator dropping process, according to falling speed, overall weight
Amount obtains real-time inertial parameter, so as to the viscosity of real-time adjustment magnetic flow liquid, and has；Actually make
Used time, there is to the pressure parameter that Buffer Unit is produced when elevator car is fallen and contacted with Buffer Unit effect promptly and accurately
Really, actual impulsive force accurately can be obtained, so as to reach the purpose of correction to the inertial parameter of above-mentioned two gain of parameter, should
It is defined by pressure parameter and the big person of the inertia force for obtaining；Due to having detection in real time, damping force tool is caused in dropping process
Targetedly increase or adjust, after pressure parameter correction, be also unlikely to the change with mutation and impulsive force；Above-mentioned acquisition
Inertial parameter simultaneously adjusts magnetic flow liquid viscosity according to inertial parameter, by simply calculate and prior art program
Realize, will not be described here.
Finally illustrate, above example is only unrestricted in order to technical scheme to be described, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (8)
1. a kind of elevator device with adaptability damping force safety device, it is characterised in that：Total including elevator car and buffering
Into, the buffering assembly include being fixedly installed on elevator bottom for prevent elevator car rigid touch bottom Buffer Unit and
Buffer Unit is formed the magnetorheological damping component of damping during elevator car elastic compression to elevator car；
The magnetorheological damping component includes magnetorheological damping body and control system；
The control system includes：
Solenoid, for providing electromagnetic field for magnetorheological damping body；
Power subsystem, for providing power supply for solenoid；
Descent parameters detector unit, for detecting the descent parameters of elevator car；
CPU, for receiving the data-signal of descent parameters detector unit and being sent to power subsystem according to the signal
Power command is provided；
The Buffer Unit include being arranged on the basis of buffer spring and the buffer board that is supported at the top of buffer spring, described slow
Punching is just to elevator car bottom；
The piston rod that the magnetorheological damping body is included cylinder body, damping piston and is fixedly connected with damping piston, in the cylinder body
For magnetic flow liquid, on damping piston, damping hole is provided with, the piston rod is compressed by elevator car by buffer board in buffer spring
During engage with buffer board, form damping to buffer board by damping piston；The solenoid is located at around cylinder body.
2. the elevator device with adaptability damping force safety device according to claim 1, it is characterised in that：Described slow
Spring is rushed for variable-pitch spring.
3. the elevator device with adaptability damping force safety device according to claim 2, it is characterised in that：Described slow
The pitch for rushing spring is become larger from bottom to top.
4. the elevator device with adaptability damping force safety device according to claim 1, it is characterised in that：With piston
Bar is relative be provided with the buffer board by can axially directed in the way of be coated at the fairlead of piston rod.
5. the elevator device with adaptability damping force safety device according to claim 4, it is characterised in that：Described lead
Buffer board is arranged to set by a pedestal is integrally formed, with being located at, fairlead is interior to be connect the pedestal with piston rod tip contact
The contact end face of conjunction.
6. the elevator device with adaptability damping force safety device according to claim 5, it is characterised in that：Described slow
Punching is used for arranging thickening process at pedestal, and is formed by the pedestal structure that horizontal size gradually increases upwards successively.
7. the elevator device with adaptability damping force safety device according to claim 5, it is characterised in that：Described slow
Punching upper surface, piston rod upper surface and pedestal lower surface are respectively provided with cushion.
8. the elevator device with adaptability damping force safety device according to claim 1, it is characterised in that：Under described
The parameter detecting that falls unit includes：
Falling speed detection sensor, for detecting elevator car falling speed parameter；
Elevator box weight parameter sensor, for detecting the real-time load weight parameter of elevator box；
Whereabouts contact detection sensor, produces to Buffer Unit when elevator car is fallen and contacted with Buffer Unit for detecting
Raw pressure parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771978.8A CN104444697B (en) | 2014-12-13 | 2014-12-13 | There is the elevator device of adaptability damping force safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771978.8A CN104444697B (en) | 2014-12-13 | 2014-12-13 | There is the elevator device of adaptability damping force safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104444697A CN104444697A (en) | 2015-03-25 |
| CN104444697B true CN104444697B (en) | 2017-03-15 |
Family
ID=52891577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410771978.8A Active CN104444697B (en) | 2014-12-13 | 2014-12-13 | There is the elevator device of adaptability damping force safety device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104444697B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247203A (en) * | 1995-03-11 | 1996-09-24 | Nobuhito Kawachi | Electroviscous fluid buffer |
| JP4301837B2 (en) * | 2002-05-21 | 2009-07-22 | 三菱電機株式会社 | Elevator shock absorber |
| JP4325417B2 (en) * | 2003-04-10 | 2009-09-02 | 三菱電機株式会社 | Hydraulic shock absorber |
| JP2005054847A (en) * | 2003-08-01 | 2005-03-03 | Univ Kanagawa | Viscous variable fluid shock absorber |
| CN204324639U (en) * | 2014-12-15 | 2015-05-13 | 重庆和航科技股份有限公司 | Adaptive damping prevents the emergency staircase of quick resilience |
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2014
- 2014-12-13 CN CN201410771978.8A patent/CN104444697B/en active Active
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| CN104444697A (en) | 2015-03-25 |
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Effective date of registration: 20240813 Address after: Unit 1, Jinxin Building, No. 16 Liye Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province 430000, 10th, 11th, and 12th floors (Incubator HPLM-B1214) Patentee after: Wuhan Jidian Technology Co.,Ltd. Country or region after: China Address before: 215600 room 5, 10-1 Xin Jing Middle Road, Yang Shi Town, Zhangjiagang, Suzhou, Jiangsu Patentee before: ZHANGJIAGANG OUWEI AUTOMATION RESEARCH AND DEVELOPMENT Co.,Ltd. Country or region before: China |
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