CN205527144U - Sedan -chair elevator prevents safety coefficient that falls - Google Patents

Sedan -chair elevator prevents safety coefficient that falls Download PDF

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Publication number
CN205527144U
CN205527144U CN201620011873.7U CN201620011873U CN205527144U CN 205527144 U CN205527144 U CN 205527144U CN 201620011873 U CN201620011873 U CN 201620011873U CN 205527144 U CN205527144 U CN 205527144U
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China
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car
elevator
air bag
door opening
limiting plate
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CN201620011873.7U
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Chinese (zh)
Inventor
陈子龙
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Xihua University
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Xihua University
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Abstract

The utility model particularly relates to a sedan -chair elevator prevents safety coefficient that falls, the purpose provides a simple structure, safe and reliable, effectively protects the safety coefficient that falls that prevents of passenger's safety. This system includes airbag assembly, airbag assembly include air bag be equipped with gas generator, ignition in the air bag, ignition is controlled by electronic controller, airbag assembly sets up that to improve level placing of setting up at elevator door opening below, elevartor shaft lateral wall downthehole, for being equipped with the recess on the lateral wall that is equipped with the elevartor shaft opposite side of placing the hole, set up acceleration sensor, height sensor in the car, acceleration sensor, height sensor's output signal sends electronic controller to. When the car takes place to fall, its below apart from car one nearest or the action of several airbag assembly, the speed that makes the car fall reduces rapidly to stopping and since the car to fall the impact force less, can effectual protection passenger health safety.

Description

A kind of Lift car type elevator anti-falling safe system
Technical field
This utility model relates to elevator safety technical field, is specifically related to a kind of Lift car type elevator anti-falling safe system.
Background technology
Current Lift car type elevator is designed with emergency braking apparatus, safety failure is occurring, during such as elevator speed exception, generally produce braking by brake shoe gripping elevator guide rails, but when cage guide ruptures, emergency braking apparatus cannot work, and when car is in higher floor, the safety of passenger cannot be guaranteed.Rupture at guide rail, in the case of car falls, the safety precautions of passenger in car is had following several: buffer unit is installed bottom cabin elevator, in prior art CN201320894008, in the bottom of car, air bag component is set, the impulsive force during buffer unit alleviation elevator landing bottom cage bottom or elevator is relied on when falling, this protective measure can protect passenger for the Lift car type elevator that floor is relatively low, but for the Lift car type elevator that floor is higher, impulsive force when it falls is the biggest, huge inertia is produced when car falls, buffer unit is often difficult to play a protective role, cause passenger by grievous injury, if and passenger to be protected, then the cost of buffer unit can be the highest.And car cannot fall way in brake, elevator related equipment also can damage because shock of a fall power is excessive, as car door damage after be difficult to open, rescue difficulty.Car often can only be fallen and protect by the most such protective measure, and the in the case of of rushing to summit for car, need to set up buffer unit at car top and elevator top.
Another kind of safety precautions is to arrange arrestment mechanism outside car, by arrestment mechanism and elevator sidewall contact frictional damping.Such as the kind protection device in prior art CN200410014245, containing a clamping body with certain length, the one side of clamping body one end has the groove for containing cage guide.The width of this groove is more than the width of cage guide.This protection device preventing elevator overspeed, falling, not only adaptability is good, range is wide, production cost is low, also can simplify production routine.It is applicable to braking when lift car appearance hypervelocity, situation of falling.Technology in this patent it is possible that because of arrestment mechanism cannot action and the danger lost efficacy, access to elevators sidewall often causes coefficient of friction to reduce because of moist simultaneously, increases the risk of arrestment mechanism inefficacy.When car is braked in elevator, the stop place of car after the most uncontrollable braking, as car rests on the position between two floors, then car door is difficult to open, rescue work difficulty.
Also having a kind of mode is the safety rails contact frictional damping being separately provided in elevator, so can additionally increase a set of guide rail mechanism, add equipment cost and later maintenance expense.
Summary of the invention
This utility model purpose is to provide a kind of simple in construction, low cost, safe and reliable, effectively protects the anti-falling safe system of passenger safety.
For achieving the above object, this utility model be the technical scheme is that a kind of Lift car type elevator anti-falling safe system, a kind of Lift car type elevator anti-falling safe system, including air bag component, described air bag component is provided with gas generator, igniter in including air bag, described air bag, and described igniter is by electronic controller control;Described air bag component is arranged on below elevator door opening, on elevator sidewall in horizontally disposed putting hole, is provided with groove relative to the sidewall of the elevator opposite side being provided with putting hole, and after described air bag ejects, its one end heads in groove;When the upper surface of described air bag contacts with cage bottom, cab is positioned at normal stop layers position;Arranging acceleration transducer, height sensor in described car, described acceleration transducer, the output signal of height sensor send electronic controller to;
The elevator sidewall being provided with elevator door opening side is provided with limiting plate, described limiting plate is positioned at below putting hole, the upper end of described limiting plate is side walls hinged with the elevator being provided with elevator door opening side, the middle part of described limiting plate is hinged with one end of the first spacing connecting rod, the other end of described first spacing connecting rod and the second spacing rod hinge connection, described second spacing connecting rod is side walls hinged with the elevator being provided with elevator door opening side, is connected by limit spring in the middle part of described first spacing connecting rod in the middle part of the second spacing connecting rod;The bottom of described limiting plate is provided with permanent magnet, is provided with relevant position on the elevator sidewall of elevator door opening side and is provided with electric magnet, and described electric magnet is by electronic controller control.
Preferably, arrange below the elevator door opening of every floor below putting hole, air bag component, groove, or the elevator door opening of one of them stop layers between adjacent several stop layers and putting hole, air bag component, groove are set.
Preferably, arranging the display that can receive acceleration sensor outputs signals in described car, described display display car rises, actual acceleration value when declining and car rise, maximum safe acceleration value when declining.
Preferably, being provided with emergency switch in described car, the output signal of described emergency switch sends electronic controller to.
Preferably, described cage bottom and top are provided with elastic buffering pad, and described elastic buffering pad is by fully wrapped around for the rigid element at cage bottom and top.
Preferably, also one end with return stay cord, the middle part of described second spacing connecting rod is connected, and the other end of described return stay cord is wrapped on cylinder.
Preferably, described putting hole has the installation check hole of vertical direction away from one end of elevator door opening, and upper end, described installation check hole arranges transparency window, and the upper surface of described transparency window is highly consistent with this stop layers floor surface.
Preferably, the upper surface parcel elastic buffering pad of described limiting plate.
This utility model has the advantages that when car falls; one nearest away from car below or several air bag component action airbag opening immediately; the speed making car fall is decreased to rapidly stop; owing to the shock of a fall power of car is less; passenger's body safety can be effectively protected; the overall structure of car is also not damaged; simultaneously because air bag component is arranged on below stop layers elevator door opening; when car is fallen on air bag; car door adapts with elevator door position, and rescue personnel can open rapidly car door rescue passenger.When car is rushed to summit, above it or several air bag component action airbag opening immediately, effectively protect passenger.
Accompanying drawing explanation
Fig. 1 is car structural representation when running downwards;
Fig. 2 is car structural representation of security system action when falling;
Fig. 3 is car structural representation when normally running up;
Fig. 4 is car structural representation of security system action when rushing to summit;
Fig. 5 is acceleration transducer, height sensor signal transmission schematic diagram;
Fig. 6 be car properly functioning time limiting plate original state schematic diagram;
Limiting plate open mode schematic diagram when Fig. 7 is car tenesmus.
Detailed description of the invention
As Figure 1-5, a kind of Lift car type elevator anti-falling safe system, including air bag component 1, described air bag component 1 is provided with gas generator, igniter in including air bag 11, described air bag 11, described igniter is controlled by electronic controller 12;Described air bag component 1 is arranged on below elevator door opening, on elevator sidewall in horizontally disposed putting hole 31, is provided with groove relative to the sidewall of the elevator opposite side being provided with putting hole 31;Arranging acceleration transducer 53, height sensor 54 in described car 51, described acceleration transducer 53, the output signal of height sensor 54 send electronic controller 12 to.Described putting hole 31 has the installation check hole 32 of vertical direction away from one end of elevator door opening 52, and upper end, described installation check hole 32 arranges transparency window 33, and the upper surface of described transparency window 33 is highly consistent with this stop layers floor surface.During installation and maintenance air bag component 1, it is only necessary to operated by installation check hole 32.
Described elevator is provided with groove relative to the sidewall of the opposite side being provided with putting hole 31, when air bag 11 is opened, its one end heads in groove, at this moment the upper surface of air bag 11 contacts bottom car 51, cab 51 is made to rest on normal stop layers position, the position between car door and elevator door opening 52 so can be made to be in car Normal residence position, facilitate rescue personnel to open car door in time and carry on rescue work.
When described car 51 falls, electronic controller 12 receives the acceleration transducer 53 of car 51, the output signal of height sensor 54, and the air bag 11 being positioned at nearest below car 51 one or several air bag component 1 ejects;When described car 51 is rushed to summit, electronic controller 12 receives the acceleration transducer 53 of car 51, the output signal of height sensor 54, and the air bag 11 being positioned at nearest above car 51 one or several air bag component 1 ejects.For the car 51 that load capacity is bigger, putting hole 31, air bag component 1, groove can be arranged on below the elevator door opening 52 of every floor;For the car 51 that load capacity is less, it is also possible to below one of them elevator door opening 52 that putting hole 31, air bag component 1, groove are arranged between adjacent several stop layers, so can reduce equipment and maintenance cost is installed.
In described car 51, acceleration transducer 53 is set, it can be the interior inertia-type acceleration transducer arranged of car 51, can also be that distance measuring type acceleration transducer is set at cage bottom, described cage bottom is additionally provided with height sensor 54, described height sensor 54 can be laser ranging formula, can also be ultrasonic ranging formula, it is possible to use the original floor position signal of car is as the altitude signal of car.Described acceleration transducer 53, the output signal of height sensor 54 make wirelessly to send electronic controller 12 to.
Such as Fig. 6, shown in 7, limiting plate 2 can also be set on the elevator sidewall being provided with elevator door opening 52 side, described limiting plate 2 is positioned at below putting hole 31, the upper end of described limiting plate 2 is side walls hinged with the elevator being provided with elevator door opening 52 side, the middle part of described limiting plate 2 is hinged with one end of the first spacing connecting rod 205, the other end and the second spacing connecting rod 206 of described first spacing connecting rod 205 are hinged, described second spacing connecting rod 206 is side walls hinged with the elevator being provided with elevator door opening 52 side, it is connected by limit spring 201 with in the middle part of the second spacing connecting rod 206 in the middle part of described first spacing connecting rod 205;The bottom of described limiting plate 2 is provided with permanent magnet 202, is provided with relevant position on the elevator sidewall of elevator door opening 52 side and is provided with electric magnet 203, and described electric magnet 203 is controlled by electronic controller 12.
Under normal circumstances, electric magnet 203 is energized, adsorbing with permanent magnet 202, limiting plate 2 is not switched on, when car 51 falls, electronic controller 12 sends signal, make below car 51 or several electric magnet 203 dead electricity, limiting plate 2 under the effect of limit spring 201, action together with first spacing connecting rod the 205, second spacing connecting rod 206, until limiting plate 2 is horizontally situated, and contact with air bag 11 lower surface.Limiting plate 2 and air bag 11 so can be allowed jointly to bear the impulsive force that car 51 falls, increase safety.When car 51 shock of a fall power is excessive, when making an air bag 11 below damage, a limiting plate 2 below is pushed back in situ by car 51, can't be damaged by limiting plate 2, and at this moment car 51 will be buffered by air bag 11 and the limiting plate 2 opened in other stop layers below.When car 51 is rushed to summit, owing to its impulsive force is less than impulsive force when falling, the most only withstood shocks power by the air bag 11 above car 51, be now placed in the electric magnet 203 above car 51 still in obtaining electricity condition.In the middle part of described second spacing connecting rod 206, also one end with return stay cord 207 is connected, the other end of described return stay cord 207 is wrapped on cylinder, described cylinder is placed on and facilitates manually-operated position, after limiting plate 2 is opened, return stay cord 207 can be tightened up by manual rotation's cylinder, make limiting plate 2 rotate to initial position.
When elevator normally travels, air bag component 1 and limiting plate 2 are failure to actuate, when the guide rail fracture of car 51 causes car 51 to fall, acceleration transducer 53 in car 51, height sensor 54 gathers accekeration and car height, size according to acceleration and car location, acceleration abnormal signal is passed to the one or more electronic controllers 12 being now placed in below car 51, electronic controller 12 sends instruction and makes ignition device, the gas that blast produces makes air bag 11 open in access to elevators, its one end heads in groove, electronic controller 12 sends signal simultaneously, allow electric magnet 203 dead electricity, limiting plate 2 goes to level at the effect backspin of limit spring 201, and contact with air bag 11 lower surface.Under the cushioning effect of air bag 11 and limiting plate 2, car 51 is parked in corresponding stop layers, now can open elevator door and the car door of this stop layers easily, carry out rescue action.When car 51 is rushed to summit because of fault, its interior acceleration transducer 53, height sensor 54 gather accekeration and car height, size according to acceleration and car location, acceleration abnormal signal is passed to the one or more electronic controllers 12 being now placed in above car, electronic controller 12 sends instruction and makes ignition device, airbag opening 11, makes car 51 stop rushing to summit.
Arranging the display 55 that can receive acceleration transducer 53 output signal in described car 51, described display 55 shows that car 51 rises, actual acceleration value when declining and car 51 rise, maximum safe acceleration value when declining.Being additionally provided with emergency switch 56 in described car 51, the output signal of described emergency switch 56 sends electronic controller 12 to.If car falls or rushes to summit, acceleration transducer 53 does not send instructions to electronic controller 12 because of fault, at this moment the passenger in car can judge whether danger occur by observing the car acceleration value of display on display 55, and it is manually pressed by emergency switch 56, described emergency switch 56 sends instruction to the electronic controller 12 of relevant position, carries out brake hard.
Preferably embodiment is; bottom described car 51 and top is provided with elastic buffering pad; described elastic buffering pad can be elastomeric material; can also be that foamed materials is made; described elastic buffering pad, so can be when car 51 contacts with air bag 11 by fully wrapped around for the rigid element of car bottom 51 He top, and effective protecting safety airbag 11 is not punctured by the rigid element at bottom car 51 or top; further function as cushioning effect simultaneously, reduce passenger's impact force.The upper surface of described limiting plate 2 can also wrap up elastic buffering pad, so can puncture with the most limited plate of protecting safety airbag 11 2, increases buffer capacity further simultaneously.

Claims (8)

1. a Lift car type elevator anti-falling safe system, including air bag component (1), described air bag component (1) is provided with gas generator, igniter in including air bag (11), described air bag (11), and described igniter is controlled by electronic controller (12);It is characterized in that: it is interior that described air bag component (1) is arranged on horizontally disposed putting hole (31) on elevator door opening (52) lower section, elevator sidewall, it is provided with groove relative to the sidewall of the elevator opposite side being provided with putting hole (31), after described air bag (11) ejects, its one end heads in groove;When the upper surface of described air bag (11) contacts with car (51) bottom, cab (51) is positioned at normal stop layers position;Arranging acceleration transducer (53), height sensor (54) in described car (51), described acceleration transducer (53), the output signal of height sensor (54) send electronic controller (12) to;
The elevator sidewall being provided with elevator door opening (52) side is provided with limiting plate (2), described limiting plate (2) is positioned at putting hole (31) lower section, the upper end of described limiting plate (2) is side walls hinged with the elevator being provided with elevator door opening (52) side, the middle part of described limiting plate (2) is hinged with one end of the first spacing connecting rod (205), the other end and the second spacing connecting rod (206) of described first spacing connecting rod (205) are hinged, described second spacing connecting rod (206) is side walls hinged with the elevator being provided with elevator door opening (52) side, described first spacing connecting rod (205) middle part is connected by limit spring (201) with the second spacing connecting rod (206) middle part;The bottom of described limiting plate (2) is provided with permanent magnet (202);Being provided with relevant position on the elevator sidewall of elevator door opening (52) side and be provided with electric magnet (203), described electric magnet (203) is by electronic controller control.
A kind of Lift car type elevator anti-falling safe system the most according to claim 1, it is characterized in that: elevator door opening (52) lower section arranging putting hole (31), air bag component (1), groove, or one of them stop layers between adjacent several stop layers in elevator door opening (52) lower section of every floor arranges putting hole (31), air bag component (1), groove.
A kind of Lift car type elevator anti-falling safe system the most according to claim 1, it is characterized in that: arrange the display (55) that can receive acceleration transducer (53) output signal in described car (51), described display (55) display car rises, actual acceleration value when declining and car rise, maximum safe acceleration value when declining.
A kind of Lift car type elevator anti-falling safe system the most according to claim 3, it is characterized in that: be provided with emergency switch (56) in described car (51), the output signal of described emergency switch (56) sends electronic controller (12) to.
A kind of Lift car type elevator anti-falling safe system the most according to claim 4, it is characterized in that: described car (51) bottom and top are provided with elastic buffering pad, described elastic buffering pad is by fully wrapped around for the rigid element of car (51) bottom and top.
A kind of Lift car type elevator anti-falling safe system the most according to claim 1, it is characterized in that: also one end with return stay cord (207), the middle part of described second spacing connecting rod (206) is connected, and the other end of described return stay cord (207) is wrapped on cylinder.
A kind of Lift car type elevator anti-falling safe system the most according to claim 1, it is characterized in that: described putting hole (31) has the installation check hole (32) of vertical direction away from one end of elevator door opening (52), described installation check hole (32) upper end arranges transparency window (33), and the upper surface of described transparency window (33) is highly consistent with this stop layers floor surface.
A kind of Lift car type elevator anti-falling safe system the most according to claim 1, it is characterised in that: the upper surface parcel elastic buffering pad of described limiting plate (2).
CN201620011873.7U 2016-01-07 2016-01-07 Sedan -chair elevator prevents safety coefficient that falls Withdrawn - After Issue CN205527144U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105438914A (en) * 2016-01-07 2016-03-30 西华大学 Car type elevator anti-falling safety system
CN108002188A (en) * 2018-01-02 2018-05-08 成都光华锦业教育咨询有限公司 New no wirerope, without rack, chain emergency staircase
CN109720960A (en) * 2019-02-25 2019-05-07 朱爱民 A kind of cabin elevator emergency safety defense controls platform and control system
CN110240039A (en) * 2019-07-25 2019-09-17 迅达(中国)电梯有限公司 Elevator shaft safety guard
CN113716432A (en) * 2021-09-09 2021-11-30 曾方 Window formula passes dish car and sedan-chair door for elevator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105438914A (en) * 2016-01-07 2016-03-30 西华大学 Car type elevator anti-falling safety system
CN105438914B (en) * 2016-01-07 2017-10-17 西华大学 A kind of Lift car type elevator anti-falling safe system
CN108002188A (en) * 2018-01-02 2018-05-08 成都光华锦业教育咨询有限公司 New no wirerope, without rack, chain emergency staircase
CN109720960A (en) * 2019-02-25 2019-05-07 朱爱民 A kind of cabin elevator emergency safety defense controls platform and control system
CN110240039A (en) * 2019-07-25 2019-09-17 迅达(中国)电梯有限公司 Elevator shaft safety guard
CN113716432A (en) * 2021-09-09 2021-11-30 曾方 Window formula passes dish car and sedan-chair door for elevator

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