CN205472092U - Anti -falling protective device for elevator - Google Patents

Anti -falling protective device for elevator Download PDF

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Publication number
CN205472092U
CN205472092U CN201620301443.9U CN201620301443U CN205472092U CN 205472092 U CN205472092 U CN 205472092U CN 201620301443 U CN201620301443 U CN 201620301443U CN 205472092 U CN205472092 U CN 205472092U
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CN
China
Prior art keywords
elevator
magnet
fixed electromagnet
baffle
fall
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Expired - Fee Related
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CN201620301443.9U
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Chinese (zh)
Inventor
张爱博
王旭松
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Individual
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Individual
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Priority to CN201620301443.9U priority Critical patent/CN205472092U/en
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Publication of CN205472092U publication Critical patent/CN205472092U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a safe and reliable's anti -falling protective device for elevator, the device is including preventing weighing down the switch, fixing the electro -magnet, only falling baffle, baffle resetting means, it passes through circuit and fixed electro -magnet and links to each other wherein to prevent weighing down the switch for the intercommunication and the disconnection of the fixed electro -magnet circuit of control, fixed electro -magnet is installed on the elevator wall of a well, only falls the one end of baffle and fixes on the elevator wall of a well through the pivot, and the contained angle that only falls between the baffle and the elevator wall of a well can be changed between 0 to 90, under the normal condition, fixed electro -magnet is in the on position, only falls the baffle and passes through magnetic force with fixed electro -magnet and adsorb together, and when fixed electro -magnet circuit disconnection, magnetic force disappears, only falls the baffle and leaves fixed electro -magnet fall down naturally under the action of gravity to prevent elevator car to move downwards, baffle resetting means is used for fixed electro -magnet and only falls the baffle adsorbing again together. The device simple structure, with low costs, but wide application in current all kinds of vertical lift elevators.

Description

Elevator fall protection equipment
Technical field
This utility model relates to elevator safety field, provides a kind of mistake for vertical lift elevator especially Control safety guard, when elevator glides due to fault car, this device is prevented from used during elevator falling.
Background technology
Elevator is a kind of vertical conveyor with motor as power, equipped with box like gondola (car), extensively The general tier building that is applied to takes advantage of people or carrying goods, while bringing convenience for the live and work of people, Also have potential safety hazard, as car in running it may happen that the danger even fallen of hypervelocity, The anti-fall measure of existing elevator mainly has following several:
Arranging buffer unit: be provided with buffer unit being positioned at car end, its model of action is to fall within The car of shaft bottom is upspring repeatedly to being finally stopped, however during repeatedly upspringing also can to people or Property injures, and existing buffer unit cushion stroke is little, shock-absorbing capacity is poor, it is impossible to effectively protect The safety of people.
Air bag is set: air bag is mainly used in slowing down the decrease speed of car, but substitute The car extruding that capsule is easily declined at a high speed in hoistway galls, and finally loses the protective effect to car.
Limiter of speed and safety tongs are set: elevator governor Monitoring and Controlling at any time the speed of car, when going out During existing supervelocity situation, i.e. rated speed of lift 115% time, send signal, then produce machinery dynamic Make to cut off power supply circuits, make traction machine brake.If elevator still cannot be braked, then it is arranged on car Safety tongs action on frame or counterweight frame is by urgent for car stop and is clamped on guide rail.Safety tongs is divided into One-way safety pincers and bidirectional safety tongs, the use of one-way safety pincers can only be confined to common slower elevators, The excessive velocities if car falls, safety tongs cannot guarantee effective brake, and car is once unexpected Tenesmus, due to the uncertainty of lapse rate, causes the uncertain of car stop position, after being unfavorable for Phase rescues.And owing to manufacturing process is complicated, bidirectional safety tongs is the most universal.
Yet with there is no a kind of completely reliable elevator anti-fall device, the most again and again there is elevator car Railway carriage or compartment fall event threatens the life security of people.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of safe and reliable electricity Ladder fall protection equipment, this apparatus structure is simple, low cost, safe and reliable, can be widely applied to Existing all kinds of vertical lift elevator.
This utility model concrete scheme is as follows:
Elevator fall protection equipment, it is characterised in that: described device includes anti-fall switch 1, fixing electricity Magnet 2, only downshift plate 3, stopper return device;
The most anti-fall switch 1 is connected with fixed electromagnet 2 by circuit, is used for controlling fixed electromagnet 2 The connection of circuit and disconnection;Fixed electromagnet 2 is arranged in hoistway wall, only one end of downshift plate 3 Being fixed in hoistway wall by rotating shaft, only the angle between downshift plate 3 and hoistway wall can arrive at 0 ° Change between 90 °;Under normal condition, fixed electromagnet 2 is in "on" position, only downshift plate 3 with By magnetic-adsorption together, when the disconnection of fixed electromagnet 2 circuit, magnetic force disappears fixed electromagnet 2, Only downshift plate 3 leaves fixed electromagnet 2 under gravity and naturally falls, thus stops lift car Run downwards;Stopper return device will be for will only downshift plate 3 and fixed electromagnet 2 again adsorb one Rise.
As preferred scheme: the one side of described only downshift plate 3 is provided with buffer unit 31, is used for weakening The impulsive force of cage descending.
As preferred scheme: described only downshift plate 3 be a cross section be right angled triangle, wedge shape or ladder The parts of shape, when only downshift plate 3 passes through together with magnetic-adsorption with fixed electromagnet 2, it is shorter One side be perpendicular to hoistway wall, do not hinder the properly functioning of lift car;When only downshift plate 3 is natural Lower backwardness, its shorter one side contacts with hoistway wall, and long end is perpendicular to hoistway wall, thus stops Car drops.
As preferred scheme: described fixed electromagnet 2 and only downshift plate 3 were installed on except top layer and the end In all floors outside Ceng under car resting state, car bottom corresponds to the position of hoistway wall, with Ensure that car rests in just position to elevator door, facilitate the later stage to rescue.
As preferred scheme: described fixed electromagnet 2 and only downshift plate 3 mounted in pairs, it is installed Quantity can install 1~2 in preferably every floor right according to elevator on-site environmental change.
The utility model has the advantage of:
1, the Autonomous Control of passenger-in-elevator can be realized, when the people being positioned at lift car finds that elevator is in During precarious position, anti-fall switch can be started rapidly, anti-fall to realize elevator.
2, accident power-off once occurring, this device can automatically open up, thus prevents car from dropping.
3, can ensure that car stop position, beneficially later stage rescue.
4, simple in construction low cost, easy for installation, the suitability is wide, can be widely applied to existing all kinds of hang down Straight elevator.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment 1 structural representation (elevator normal operating condition, only downshift Plate is holded up)
Fig. 2 is that (elevator emergency state, only downshift plate falls this utility model embodiment 1 structural representation Under)
Wherein: 1, anti-fall switch, 2, fixed electromagnet, 3, only downshift plate, 31, buffer unit, 4, floor plates, 5, car, 6, hoistway wall.
Detailed description of the invention
Embodiment 1
As Fig. 1,2, shown, device described in the utility model include anti-fall switch 1, fixed electromagnet 2, Only downshift plate 3, stopper return device;
The most anti-fall switch 1 is connected with fixed electromagnet 2 by circuit, is used for controlling fixed electromagnet 2 The connection of circuit and disconnection;Fixed electromagnet 2 is arranged in hoistway wall, only one end of downshift plate 3 Being fixed in hoistway wall by rotating shaft, only the angle between downshift plate 3 and hoistway wall can arrive at 0 ° Change between 90 °;Under normal condition, fixed electromagnet 2 is in "on" position, only downshift plate 3 with By magnetic-adsorption together, lift car normally lifts fixed electromagnet 2, unobstructed;When solid (there is abnormal elevator rapid decrease in elevator, and in car, people starts anti-fall opening to determine the disconnection of electric magnet 2 circuit Close, or suddenly power-off, former safety device lost efficacy and cause elevator drop), magnetic force disappearance, only downshift plate 3 Leave fixed electromagnet 2 under gravity naturally to fall, thus stop lift car to run downwards.
Fixed electromagnet 2 and only downshift plate 3 mounted in pairs, in addition to top layer and bottom, each floor sedan-chair Under the resting state of railway carriage or compartment, car bottom is equipped with two pairs of fixed electromagnets 2 corresponding to the position of hoistway wall Only downshift plate 3, to ensure that car declines less than first floor distance after only downshift plate 3 falls.
Stopper return device is used for again being attached together fixed electromagnet 2 with only downshift plate 3, its It is connected with fixed electromagnet 2 by circuit;Stopper return device is provided with two gears of height.Fault After eliminating, car needs the most up, and the high magnetic force switch position being also turned in stopper return device is real The biggest suction only will pick up reset by downshift plate 3, then connect low magnetic switch gear, it is achieved small-power is normal Rule absorption, to reach power saving purpose.
Embodiment 2
Difference from Example 1 is, the one side of described only downshift plate 3 is provided with buffer unit 31, For weakening the impulsive force of cage descending, and only downshift plate 3 be a cross section be trapezoidal parts, when only Downshift plate 3 is when fixed electromagnet 2 passes through together with magnetic-adsorption, and its shorter one side is perpendicular to electricity Stair shaft wall, does not hinder the properly functioning of lift car;Falling behind when only downshift plate 3 is naturally lower, it is shorter One side contact with hoistway wall, long end is perpendicular to hoistway wall, thus stops car to drop.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow ripe The personage knowing technique will appreciate that content of the present utility model and implements according to this, can not limit with this Make protection domain of the present utility model.All according to this utility model spirit made equivalence change or Modify, all should contain within protection domain of the present utility model.

Claims (5)

1. elevator fall protection equipment, it is characterised in that: described device include anti-fall switch (1), Fixed electromagnet (2), only downshift plate (3), stopper return device;
Wherein, anti-fall switch (1) is connected with fixed electromagnet (2) by circuit, is used for controlling admittedly Determine connection and the disconnection of electric magnet (2) circuit;Fixed electromagnet (2) is arranged in hoistway wall, Only one end of downshift plate (3) is fixed in hoistway wall by rotating shaft, only downshift plate (3) and elevator Angle between the borehole wall can be changed between 0 ° to 90 °;Under normal condition, fixed electromagnet (2) Being in "on" position, only downshift plate (3) passes through together with magnetic-adsorption with fixed electromagnet (2), When fixed electromagnet (2) circuit disconnect, magnetic force disappear, only downshift plate (3) under gravity from Open fixed electromagnet (2) naturally to fall, thus stop lift car to run downwards;Stopper return device For fixed electromagnet (2) is attached together again with only downshift plate (3).
2. according to elevator fall protection equipment described in claim 1, it is characterised in that: described only fall The one side of baffle plate (3) is provided with buffer unit (31).
3. according to elevator fall protection equipment described in claim 1, it is characterised in that: described only fall Baffle plate (3) be a cross section be right angled triangle, wedge shape or trapezoidal parts.
4. according to elevator fall protection equipment described in claim 1, it is characterised in that: described fixing Electric magnet (2) and only downshift plate (3) are installed on car in all floors in addition to top layer and bottom and stop By under state, car bottom is corresponding to the position of hoistway wall.
5. according to the arbitrary described elevator fall protection equipment of claim 1-4, it is characterised in that: institute State fixed electromagnet (2) and only downshift plate (3) mounted in pairs, every floor is installed 1~2 right.
CN201620301443.9U 2016-04-12 2016-04-12 Anti -falling protective device for elevator Expired - Fee Related CN205472092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620301443.9U CN205472092U (en) 2016-04-12 2016-04-12 Anti -falling protective device for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620301443.9U CN205472092U (en) 2016-04-12 2016-04-12 Anti -falling protective device for elevator

Publications (1)

Publication Number Publication Date
CN205472092U true CN205472092U (en) 2016-08-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923500A (en) * 2016-07-08 2016-09-07 孙广斌 Elevator safety device
CN106829674A (en) * 2017-01-04 2017-06-13 华东师范大学 A kind of hoistway protection mechanism for improving high rise elevator security
CN107285160A (en) * 2016-04-12 2017-10-24 王旭松 Elevator fall protection equipment
CN107324173A (en) * 2017-06-29 2017-11-07 徐州爱宝贝家具有限公司 A kind of elevator blocking apparatus
CN108518110A (en) * 2018-04-16 2018-09-11 广东锐牛科技有限公司 A kind of stable device of intelligent garage
CN110342379A (en) * 2019-08-12 2019-10-18 中科鼎盛电梯科技江苏有限公司浙江分公司 A kind of no foundation pit installation ascending for elevator downstream buffer device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285160A (en) * 2016-04-12 2017-10-24 王旭松 Elevator fall protection equipment
CN105923500A (en) * 2016-07-08 2016-09-07 孙广斌 Elevator safety device
CN105923500B (en) * 2016-07-08 2018-08-07 孙广斌 A kind of elevator car safety
CN106829674A (en) * 2017-01-04 2017-06-13 华东师范大学 A kind of hoistway protection mechanism for improving high rise elevator security
CN107324173A (en) * 2017-06-29 2017-11-07 徐州爱宝贝家具有限公司 A kind of elevator blocking apparatus
CN108518110A (en) * 2018-04-16 2018-09-11 广东锐牛科技有限公司 A kind of stable device of intelligent garage
CN110342379A (en) * 2019-08-12 2019-10-18 中科鼎盛电梯科技江苏有限公司浙江分公司 A kind of no foundation pit installation ascending for elevator downstream buffer device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

Termination date: 20200412

CF01 Termination of patent right due to non-payment of annual fee