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 PDF

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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
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Granted
Application number
CN201610850287.6A
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Chinese (zh)
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CN106185524B (en
Inventor
牛曙光
蒋晓梅
周建
郭伟伟
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Changshu Institute of Technology
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Changshu Institute of Technology
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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
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides

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

Elevator prevents the safety guard of car accidental movement and hypervelocity
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.
CN201610850287.6A 2016-09-26 2016-09-26 Elevator prevents car accidental movement and the safety guard of hypervelocity Active CN106185524B (en)

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Application Number Priority Date Filing Date Title
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CN106185524B CN106185524B (en) 2018-08-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Publication number Priority date Publication date Assignee Title
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
JP4629669B2 (en) * 2004-04-20 2011-02-09 三菱電機株式会社 Elevator emergency stop system
CN103754720A (en) * 2013-12-31 2014-04-30 日立电梯(上海)有限公司 Protection device for preventing lift car from moving accidentally and protection method thereof
CN204702462U (en) * 2015-02-26 2015-10-14 雄宇集团无锡电梯安装技术有限公司 Building engineering fills the manual lock rail device of lifting table with lift boy
CN105540378A (en) * 2016-02-26 2016-05-04 上海盛蒂斯自动化设备有限公司 Protection system for preventing elevator car from moving by accident
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4629669B2 (en) * 2004-04-20 2011-02-09 三菱電機株式会社 Elevator emergency stop system
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
CN103754720A (en) * 2013-12-31 2014-04-30 日立电梯(上海)有限公司 Protection device for preventing lift car from moving accidentally and protection method thereof
CN204702462U (en) * 2015-02-26 2015-10-14 雄宇集团无锡电梯安装技术有限公司 Building engineering fills the manual lock rail device of lifting table with lift boy
CN105540378A (en) * 2016-02-26 2016-05-04 上海盛蒂斯自动化设备有限公司 Protection system for preventing elevator car from moving by accident
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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