CN106185524A - Elevator prevents the safety guard of car accidental movement and hypervelocity - Google Patents
Elevator prevents the safety guard of car accidental movement and hypervelocity Download PDFInfo
- Publication number
- CN106185524A CN106185524A CN201610850287.6A CN201610850287A CN106185524A CN 106185524 A CN106185524 A CN 106185524A CN 201610850287 A CN201610850287 A CN 201610850287A CN 106185524 A CN106185524 A CN 106185524A
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- CN
- China
- Prior art keywords
- car
- door
- elevator
- steel wire
- hypervelocity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
A kind of elevator prevents the safety guard of car accidental movement and hypervelocity, including car, carrying means, roller type safety tongs, door machine catalyst, displacement transducer, electromagnetic controller and intelligent controller, roller type safety tongs includes knurled wheel assembly, trigger support, fixed supported slab, cylindrical compression spring, steel wire arm-tie, spacing steel wire rope and caliper, door machine catalyst is arranged on a machine for detecting the on-off action of car door, displacement transducer is arranged on car for detecting car door displacement under door opening state, electromagnetic controller is arranged on car, the mobile bar of electromagnetic controller is connected with spacing steel wire rope, intelligent controller respectively with door machine catalyst, displacement transducer and electromagnetic controller electrical connection.Advantage: can stop car and continue to be lifted off the phenomenon of stop when car door is opened, it is to avoid shearing accident occurs, effectively protects the personal safety of passenger;The function of stop car when having elevator overspeed, simple in construction, intelligence degree is high.
Description
Technical field
The invention belongs to elevator car safety technical field, be specifically related to elevator and prevent the peace of car accidental movement and hypervelocity
Full protection device.
Background technology
With the fast development of economy and deepening continuously of Development of China's Urbanization, the quantity of China's skyscraper increases year by year,
Elevator has had become as the indispensable instrument of manned loading in skyscraper.The ultimate principle of cabin elevator is exactly tractive driving, sedan-chair
Railway carriage or compartment and counterweight are connected by traction steel-cable, and traction steel-cable is hung on the traction sheave, and traction sheave is dragged by traction motor, makes to hang over and drags
Traction steel-cable on running wheel is moved by the effect of frictional force, then drives car lifting.For ensureing elevator energy accurately flat bed,
Reliable stopping, elevator is additionally provided with locking system, makes car reliably stop by the frictional force between brake shoe and wheel hub when stopping ladder.Electricity
Ladder, after permanent use, because the reasons such as mechanical wear, traction steel-cable and traction sheave there will be abrasion in various degree, causes draging
Reduced gravity, the abrasion between brake shoe and wheel hub then can cause brake force to decline.It addition, the overload during routine use is made
It is not enough not enough with brake force that industry also results in traction.Once traction and brake force go wrong, it is possible to cause sedan-chair
After the enabling of railway carriage or compartment, accidental movement leaves the situation of stop, causes the accident that people is sheared by lift car and hoistway lift door frame.Transmission,
Any one link of traction and braking lost efficacy and also can result in elevator up-down hypervelocity, even causes and rush to summit time serious.Car
The protection of accidental movement and elevator overspeed is one of main contents of current elevator industry research, and mainly stop car is at layer door
Do not lock or car door be not turned off in the case of leave the accidental movement of stop, can stop car during elevator overspeed to be possessed
Function.
In view of above-mentioned prior art, the applicant has made useful design, technical scheme described below be
Produce under this background.
Summary of the invention
It is an object of the invention to provide a kind of elevator and prevent the safety guard of car accidental movement and hypervelocity, it is possible to
The stop car when car opens the door and leaves stop and elevator overspeed, intelligence degree is high, simple and reasonable.
It is an object of the invention to so to reach, a kind of elevator prevents the safeguard protection of car accidental movement and hypervelocity from filling
Putting, including car, carrying means and roller type safety tongs, described car includes car door and for installing the sedan-chair of car door
Railway carriage or compartment doorframe, described carrying means includes that traction sheave and traction steel-cable, described traction steel-cable hang on the traction sheave,
One end of traction steel-cable connects car, and the other end connects counterweight, and described roller type safety tongs is above corresponding to car
Position coordinates with hoistway guide rail, roller type safety tongs include knurled wheel assembly, trigger support, fixed supported slab, cylindrical compression spring,
Steel wire arm-tie, spacing steel wire rope and caliper, described knurled wheel assembly is arranged on triggering support and triggers support linkage, touching
Sending out support and be provided with pole up, described fixed supported slab and cylindrical compression spring are sequentially sleeved on this pole from top to bottom,
The upper end of cylindrical compression spring is bearing on fixed supported slab, and lower end is bearing on triggering support, one end of described steel wire arm-tie
Being connected with spacing steel wire rope, the other end of steel wire arm-tie is arranged on the lower section triggering support, and described caliper be located in hoistway and leads
On rail and be positioned at trigger support lower section, caliper offers in the knurled wheel holding tank being longitudinally arranged, described knurled wheel
The sidewall away from guide rail side of holding tank is configured to inclined wall along the narrowest contracting of short transverse, described annular knurl
Wheel assembly and this inclined wall sliding joining is connected, it is characterised in that: also include a machine catalyst, displacement transducer, electromagnetic controller with
And intelligent controller, described door machine catalyst is arranged on a machine for detecting the on-off action of car door, described displacement
Sensor is arranged on car for detecting car door displacement under door opening state, and described electromagnetic controller is arranged on car
On, the mobile bar of electromagnetic controller is connected with spacing steel wire rope, and described intelligent controller passes with door machine catalyst, displacement respectively
Sensor and electromagnetic controller electrical connection.
In a specific embodiment of the present invention, described intelligent controller is opened at car door, door machine catalyst
For screening the accidental movement of car during disconnection, and it is used for when elevator is properly functioning screening whether car exceeds the speed limit.
In another specific embodiment of the present invention, described displacement transducer is arranged on the top of car doorframe.
In another specific embodiment of the present invention, described counterweight is equipped with guide wheel, and described guide wheel is used for
Machine room elevator limits the position of counterweight.
Due to the fact that and have employed said structure, compared with prior art, have the beneficial effect that and can stop car
Continue to be lifted off the phenomenon of stop when car door is opened, it is to avoid shearing accident occurs, thus effectively protects elevator passenger
Personal safety;The function of stop car when simultaneously having elevator overspeed, overall structure advantages of simple, intelligence degree is high;Described
Intelligent controller only screen car accidental movement when car door is opened and door machine catalyst disconnects, and properly functioning at elevator
Time screen elevator overspeed, difunctional be of value to reduction cost.
Accompanying drawing explanation
Fig. 1 is present invention overall structure schematic diagram when being applied to machine room elevator.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of roller type safety tongs of the present invention.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is door machine schematic diagram.
Fig. 6 is present invention overall structure schematic diagram when being applied to machine-roomless lift.
In figure: 1. car, 11. car doors, 12. car doorframes;2. carrying means, 21. traction sheaves, 22. traction steel-cables;
3. roller type safety tongs, 31. knurled wheel assemblies, 32. triggering supports, 321. poles, 33. fixed supported slabs, 34. cylinders compression bullets
Spring, 35. steel wire arm-ties, 36. spacing steel wire ropes, 37. calipers, 371. knurled wheel holding tanks;4. a machine catalyst;5. displacement sensing
Device;6. electromagnetic controller;7. intelligent controller;8. counterweight, 81. guide wheels;9. hoistway guide rail.
Detailed description of the invention
The detailed description of the invention of the present invention is described in detail by applicant by combining accompanying drawing below, but applicant is to embodiment
Description be not the restriction to technical scheme, any changing in the form rather than substance according to present inventive concept all should be considered as this
The protection domain of invention.
Embodiment 1:
Refer to Fig. 1 and Fig. 2, the present invention relates to a kind of elevator and prevent the safety guard of car accidental movement and hypervelocity, bag
Including car 1, carrying means 2 and roller type safety tongs 3, described car 1 includes car door 11 and for installing car door 11
Car doorframe 12.Described carrying means 2 includes that traction sheave 21 and traction steel-cable 22, described traction sheave 21 are arranged on
Being positioned at the machine room of well headroom, traction motor drive, described traction steel-cable 22 is hung on traction sheave 21, traction steel
One end of cord 22 connects car 1, and the other end connects counterweight 8.Described car 1 and carrying means 2 belong to known technology model
Farmland, thus the most reinflated description of the applicant.In the present embodiment, described elevator is machine room elevator, now described counterweight 8
Being equipped with guide wheel 81, described guide wheel 81 is for limiting the position of counterweight 8 in machine room elevator.Described roller type safety tongs 3
Coordinating with hoistway guide rail 9 corresponding to the position above car 1.
Referring to Fig. 3 and Fig. 4, described roller type safety tongs 3 includes knurled wheel assembly 31, triggering support 32, fixes and prop up
Plate 33, cylindrical compression spring 34, steel wire arm-tie 35, spacing steel wire rope 36 and caliper 37.Described knurled wheel assembly 31 is installed
Link with triggering support 32 on support 32 triggering, trigger support 32 and be provided with pole 321, described fixed supported slab 33 He up
Cylindrical compression spring 34 is sequentially sleeved on this pole 321 from top to bottom.The upper end of cylindrical compression spring 34 is bearing in fixing
On plate 33, lower end is bearing on triggering support 32.One end of described steel wire arm-tie 35 is connected with spacing steel wire rope 36, and steel wire draws
The other end of plate 35 is arranged on the lower section triggering support 32.When straining spacing steel wire rope 36, the other end of steel wire arm-tie 35 is upwards
Jacking triggers support 32, thus drives knurled wheel assembly 31 to move up;When loosening spacing steel wire rope 36, cylindrical compression spring 34
Promote triggering support 32 to move down because of the pressure by fixed supported slab 33.Described caliper 37 be located on hoistway guide rail 9
And it is positioned at the lower section triggering support 32, caliper 37 offers in the knurled wheel holding tank 371 being longitudinally arranged, described annular knurl
The sidewall away from guide rail 9 side of wheel holding tank 371 is configured to inclined wall along the narrowest contracting of short transverse, described
Be connected knurled wheel assembly 31 and this inclined wall sliding joining.When knurled wheel assembly 31 is with when triggering shifting on support 32, and it is along annular knurl
Take turns the inclined wall upward sliding of holding tank 371 and separate with hoistway guide rail 9, stop car 1 is braked;Otherwise, when annular knurl wheels
When part 31 moves down with triggering support 32, it connects along the inclined wall slide downward of knurled wheel holding tank 371 with hoistway guide rail 9
Touch, implement braking to car 1.
Please continue to refer to Fig. 1 and Fig. 2, and combining Fig. 5, described elevator prevents the safety of car accidental movement and hypervelocity from protecting
Protection unit also includes a machine catalyst 4, displacement transducer 5, electromagnetic controller 6 and intelligent controller 7, wherein, described door
Machine catalyst 4 uses NDQX41B, described displacement transducer 5 to use OS-2436-4, the model of described electromagnetic controller 6 this
Place is not construed as limiting, and the conventional products of existing market, described intelligent controller 7 can be used to use UNO R3.Described door machine connects
Tentaculum 4 is arranged on a machine for detecting the on-off action of car door 11, and when car door 1 is closed, door machine catalyst 4 is connected, when
When car door 1 is opened, door machine catalyst 4 disconnects.Described displacement transducer 5 is arranged on car 1 and exists for detecting car door 11
Displacement under door opening state, displacement transducer 5 is arranged on the top of car doorframe 12 in the present embodiment.Described Electromagnetic Control
Device 6 is arranged on car 1, and the mobile bar of electromagnetic controller 6 is connected with spacing steel wire rope 36, is used for drawing or loosen spacing steel wire
Rope 36.Described intelligent controller 7 electrically connects with door machine catalyst 4, displacement transducer 5 and electromagnetic controller 6 respectively.Intelligence
For screening the accidental movement of car 1 when controller 7 is opened at car door 11, door machine catalyst 4 disconnects, and close at car door 11
Close, elevator run time for screening whether car 1 exceeds the speed limit.The installation site of intelligent controller 7 is unrestricted, the most preferably installs
In machine room.Intelligent controller 7 receives from door machine catalyst 4 and the signal of displacement transducer 5, when car 1 is in Ceng Men district
After completing braking, it is judged that whether car 1 is subjected to displacement when car door 11 is opened;When the elevator is run, it is judged that car 1 is at car
Whether door 11 exceeds the speed limit when closing.When displacement transducer 5 detects that when car door 11 is opened car 1 occurs upwards
Accidental movement time, its to intelligent controller 7 export correspondence signal, intelligent controller 7 drive electromagnetic controller 6 action,
Unclamping spacing steel wire rope 36, now knurled wheel assembly 31 moves down with triggering support 32, and it is along the inclination of knurled wheel holding tank 371
Wall slide downward and contact with hoistway guide rail 9, hoistway guide rail 9 is produced frictional force, thus car 1 is braked rapidly and leads at hoistway
On rail 9.When car door 11 is closed, elevator runs when there is hypervelocity, the signal that intelligent controller 7 feeds back according to displacement transducer 5
Drive electromagnetic controller 10 action, stop car 1.
Embodiment 2:
Referring to Fig. 6, in the present embodiment, described elevator is machine-roomless lift, and described counterweight 8 is not equipped with guide wheel 81,
Remaining is all with embodiment 1.
Claims (4)
1. elevator prevents a safety guard for car accidental movement and hypervelocity, including car (1), carrying means (2) with
And roller type safety tongs (3), described car (1) includes car door (11) and is used for installing the car doorframe of car door (11)
(12), described carrying means (2) includes that traction sheave (21) and traction steel-cable (22), described traction steel-cable (22) are hung
Being located on traction sheave (21), one end of traction steel-cable (22) connects car (1), and the other end connects counterweight (8), described roller
Formula safety tongs (3) coordinates with hoistway guide rail (9) in the position corresponding to car (1) top, and roller type safety tongs (3) includes annular knurl
Wheel assembly (31), triggering support (32), fixed supported slab (33), cylindrical compression spring (34), steel wire arm-tie (35), spacing steel wire rope
And caliper (37) (36), described knurled wheel assembly (31) be arranged on triggering support (32) upper with trigger support (32) linkage,
Triggering support (32) and be provided with pole (321) up, described fixed supported slab (33) and cylindrical compression spring (34) are from top to bottom
Being sequentially sleeved on this pole (321), the upper end of cylindrical compression spring (34) is bearing on fixed supported slab (33), and lower end is bearing in
Triggering on support (32), one end of described steel wire arm-tie (35) is connected with spacing steel wire rope (36), steel wire arm-tie (35) another
One end is arranged on the lower section triggering support (32), and described caliper (37) be located in hoistway guide rail (9) and above and is positioned at triggering
The lower section of frame (32), caliper (37) offers in the knurled wheel holding tank (371) being longitudinally arranged, described knurled wheel holding tank
(371) the sidewall away from guide rail (9) side is configured to inclined wall along the narrowest contracting of short transverse, described rolling
Floral whorl assembly (31) and this inclined wall sliding joining is connected, it is characterised in that: also include a machine catalyst (4), displacement transducer (5),
Electromagnetic controller (6) and intelligent controller (7), described door machine catalyst (4) is arranged on a machine for detecting car door
(11) on-off action, described displacement transducer (5) is arranged on car (1) and is used for detecting car door (11) in door opening state
Under displacement, described electromagnetic controller (6) is arranged on car (1), the mobile bar of electromagnetic controller (6) and spacing steel wire rope
(36) connect, described intelligent controller (7) respectively with door machine catalyst (4), displacement transducer (5) and electromagnetic controller
(6) electrical connection.
Elevator the most according to claim 1 prevents the safety guard of car accidental movement and hypervelocity, it is characterised in that
Described intelligent controller (7) is opened at car door (11), door machine catalyst (4) is used for screening the accident of car (1) when disconnecting
Mobile, and be used for when elevator is properly functioning screening whether car (1) exceeds the speed limit.
Elevator the most according to claim 1 prevents the safety guard of car accidental movement and hypervelocity, it is characterised in that
Described displacement transducer (5) is arranged on the top of car doorframe (12).
Elevator the most according to claim 1 prevents the safety guard of car accidental movement and hypervelocity, it is characterised in that
Described counterweight (8) is equipped with guide wheel (81), and described guide wheel (81) is for limiting the position of counterweight (8) in machine room elevator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610850287.6A CN106185524B (en) | 2016-09-26 | 2016-09-26 | Elevator prevents car accidental movement and the safety guard of hypervelocity |
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Application Number | Priority Date | Filing Date | Title |
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CN201610850287.6A CN106185524B (en) | 2016-09-26 | 2016-09-26 | Elevator prevents car accidental movement and the safety guard of hypervelocity |
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CN106185524A true CN106185524A (en) | 2016-12-07 |
CN106185524B CN106185524B (en) | 2018-08-24 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
CN110395630A (en) * | 2019-07-26 | 2019-11-01 | 上海三菱电梯有限公司 | Elevator control circuit |
CN112027853A (en) * | 2020-09-25 | 2020-12-04 | 中徽建技术有限公司 | Elevator fault information transmission device in wisdom community |
CN112374321A (en) * | 2020-11-09 | 2021-02-19 | 山东奔速电梯股份有限公司 | Bottomless pit braking device for home elevator |
CN113071970A (en) * | 2021-03-30 | 2021-07-06 | 日立电梯(中国)有限公司 | Electric control type safety gear trigger device |
CN114538239A (en) * | 2022-02-25 | 2022-05-27 | 浙江智菱科技有限公司 | Safe elevator lifting system |
CN114920108A (en) * | 2022-06-06 | 2022-08-19 | 杭州市特种设备检测研究院(杭州市特种设备应急处置中心) | Special permanent magnet synchronous motor car-sliding speed control device for elevator |
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CN206032940U (en) * | 2016-09-26 | 2017-03-22 | 常熟理工学院 | Elevator prevents unexpected safety arrangement who removes and exceed speed limit of car |
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CN2767399Y (en) * | 2005-01-19 | 2006-03-29 | 潘绍江 | Hydraulic elevator brake device |
CN101287670A (en) * | 2006-07-14 | 2008-10-15 | 维托公开股份有限公司 | ISG type multifunctional electronic urgent safety clamp |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
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CN110395630A (en) * | 2019-07-26 | 2019-11-01 | 上海三菱电梯有限公司 | Elevator control circuit |
CN112027853A (en) * | 2020-09-25 | 2020-12-04 | 中徽建技术有限公司 | Elevator fault information transmission device in wisdom community |
CN112374321A (en) * | 2020-11-09 | 2021-02-19 | 山东奔速电梯股份有限公司 | Bottomless pit braking device for home elevator |
CN113071970A (en) * | 2021-03-30 | 2021-07-06 | 日立电梯(中国)有限公司 | Electric control type safety gear trigger device |
CN114538239A (en) * | 2022-02-25 | 2022-05-27 | 浙江智菱科技有限公司 | Safe elevator lifting system |
CN114920108A (en) * | 2022-06-06 | 2022-08-19 | 杭州市特种设备检测研究院(杭州市特种设备应急处置中心) | Special permanent magnet synchronous motor car-sliding speed control device for elevator |
CN114920108B (en) * | 2022-06-06 | 2023-11-28 | 杭州市特种设备检测研究院(杭州市特种设备应急处置中心) | Permanent magnet synchronous motor car sliding speed control device special for elevator |
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