CN105565138A - Mechanical anti-reverse-rotation device for escalators - Google Patents

Mechanical anti-reverse-rotation device for escalators Download PDF

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Publication number
CN105565138A
CN105565138A CN201610175234.9A CN201610175234A CN105565138A CN 105565138 A CN105565138 A CN 105565138A CN 201610175234 A CN201610175234 A CN 201610175234A CN 105565138 A CN105565138 A CN 105565138A
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CN
China
Prior art keywords
ratchet
slide block
escalator
guide rail
spring
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Granted
Application number
CN201610175234.9A
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Chinese (zh)
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CN105565138B (en
Inventor
刘勇军
杨勇
彭华
张洪飞
胡乾坤
陈海需
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Huanghuai University
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Huanghuai University
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Publication date
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Priority to CN201610175234.9A priority Critical patent/CN105565138B/en
Publication of CN105565138A publication Critical patent/CN105565138A/en
Application granted granted Critical
Publication of CN105565138B publication Critical patent/CN105565138B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00Safety devices of escalators or moving walkways

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  • Escalators And Moving Walkways (AREA)

Abstract

The invention relates to a mechanical anti-reverse-rotation device for escalators. The mechanical anti-reverse-rotation device can effectively realize anti-reverse-rotation of the escalators and thus ensure the use safety of the escalators. The mechanical anti-reverse-rotation device for escalators has a following structure: guide rails comprise a first guide rail and a second guide rail; sliding blocks comprise a first sliding block and a second sliding block; pawls comprise a first pawl and a second pawl; ratchet wheels comprise a first ratchet wheel and a second ratchet wheel, the first ratchet wheel and the second ratchet wheel, of which the ratchet teeth are reversely arranged, are arranged on a rotating shaft of the escalator in parallel at a distance and rotate along with the rotating shaft, a bottom plate is fixedly arranged on a fixed support of the escalator, a sliding plate which slides left and right is arranged on the bottom plate, and a movable handle, a first spring supporting plate, a first guide rail, a first pawl locating plate, a second pawl locating plate, a second guide rail and a second spring supporting plate are sequentially arranged on the sliding plate from left to right. The mechanical anti-reverse-rotation device for escalators is suitable for escalators installed in shopping malls, supermarkets, stations, airports and the like, has the advantages of simple structure and high reliability, and is not influenced by a control system.

Description

Mechanical type escalator anti-kickback device
Technical field
The present invention relates to machinery, particularly a kind of mechanical type escalator anti-kickback device.
Background technology
Escalator, as the instrument of the personnel of transport, is applied very general in the place of the densely populated place such as market, supermarket, station, airport.The reliability of escalator itself is to ensureing that the life security of people has vital effect.Current most escalator manufacturer all payes attention to the reliability of escalator when designing, be designed with many cover safety guards and machinery, electrical interlocks, with the generation of Accident prevention.However, under the impact of long-time overload, work under bad environment, the factor such as maintaining is not in place, human operational error, not as prescribed take, escalator occurs that accident is also occur repeatedly, and wherein common fault is that escalator operationally takes a turn for the worse suddenly.Escalator is in operation once take a turn for the worse, and due to the effect of inertia, passenger will fall down, and causes extruding, tumble injury, and even dead, consequence is very serious.
For preventing reversing, have though existing and be provided with anti-kickback device in the design of escalator, but current escalator transfers master to mainly with electrically anti-reverse, namely compared by the detection actual hand of rotation of staircase and the direction of setting, if both direction is different, stop the operation of staircase.Escalator rotation direction signal is delivered in controller, and the operation of escalator is also control by controller, and entanglement may occur the control program in controller in some cases, thus causes the generation of accident.Therefore only can not ensure that escalator does not take a turn for the worse accident completely by electric anti-reverse.
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the object of the present invention is just to provide a kind of mechanical type escalator anti-kickback device, can effectively solve escalator anti-reverse, ensures the problem of escalator use safety.
The technical scheme that the present invention solves comprises base plate, sliding panel, guide rail, slide block, pawl-and-gearing, guide rail comprises the first guide rail, second guide rail, slide block comprises the first slide block, second slide block, ratchet comprises the first ratchet, second ratchet, ratchet comprises the first ratchet, second ratchet, the first ratchet, second ratchet ratchet is contrary, parallel spaced-apart is opened and is contained on the turning cylinder of escalator, rotates with turning cylinder, and base plate is installed on the fixed frame of escalator, base plate is equipped with the sliding panel horizontally slipped, sliding panel is provided with moving handle from left to right successively, first spring-support plate, first guide rail, first ratchet locating plate, second ratchet locating plate, second guide rail and the second spring-support plate, the first slide block slided up and down first guide rail is equipped with, the first sliding block spring and the first ram travel switch are equipped with in first slide block bottom, the first ratchet first slide block is equipped with, the first ratchet spring is had between first ratchet and the first spring-support plate, first ratchet locating plate lower end is fixed on sliding panel, and upper end is blocked by the first ratchet, the second slide block slided up and down second guide rail is equipped with, the second sliding block spring and the second ram travel switch are equipped with in second slide block bottom, the second ratchet second slide block is equipped with, the second ratchet spring is had between second ratchet and the second spring-support plate, second ratchet locating plate lower end is fixed on sliding panel, and upper end is blocked by the second ratchet, first ratchet, the second ratchet are placed between the first ratchet and the second ratchet, first ratchet is corresponding with the first ratchet, and the second ratchet is corresponding with the second ratchet, when escalator rotates clockwise, second ratchet does not contact with the second ratchet, first ratchet contacts with the first ratchet, and slides on the first ratchet, when escalator rotates counterclockwise, first ratchet does not contact with the first ratchet, second ratchet contacts with the second ratchet, and slides on the second ratchet, forms the anti-reverse structure of mechanical type escalator.
The present invention is applicable to the escalator that the place such as market, supermarket, station, airport is installed, and has that structure is simple, reliability is high, the advantage of uncontrolled systematic influence, has good application prospect.
Accompanying drawing explanation
Fig. 1 is structural front view of the present invention.
Fig. 2 is structure birds-eye view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
By Fig. 1, shown in 2, the present invention includes base plate, sliding panel, guide rail, slide block, pawl-and-gearing, guide rail comprises the first guide rail, second guide rail, slide block comprises the first slide block, second slide block, ratchet comprises the first ratchet, second ratchet, ratchet comprises the first ratchet, second ratchet, the first ratchet 7, second ratchet 8 ratchet is contrary, parallel spaced-apart is opened and is contained on the turning cylinder 9 of escalator, rotates with turning cylinder, and base plate 1 is installed on the fixed frame of escalator, base plate 1 is equipped with the sliding panel 2 horizontally slipped, sliding panel 2 is provided with moving handle 3 from left to right successively, first spring-support plate 4, first guide rail 21, first ratchet locating plate 20, second ratchet locating plate 18, second guide rail 14 and the second spring-support plate 12, the first slide block 24 slided up and down first guide rail 21 is equipped with, the first sliding block spring 22 and the first ram travel switch 23 is equipped with in first slide block 24 bottom, the first ratchet 6 first slide block 24 is equipped with, the first ratchet spring 5 is had between first ratchet 6 and the first spring-support plate 4, first ratchet locating plate 20 lower end is fixed on sliding panel 2, and upper end is blocked by the first ratchet 6, the second slide block 15 slided up and down second guide rail 14 is equipped with, the second sliding block spring 17 and the second ram travel switch 16 is equipped with in second slide block 15 bottom, the second ratchet 10 second slide block 15 is equipped with, the second ratchet spring 11 is had between second ratchet 10 and the second spring-support plate 12, second ratchet locating plate 18 lower end is fixed on sliding panel 2, and upper end is blocked by the second ratchet 10, first ratchet 7, second ratchet 8 is placed between the first ratchet 6 and the second ratchet 10, first ratchet 7 is corresponding with the first ratchet 6, second ratchet 8 is corresponding with the second ratchet 10, when escalator rotates clockwise, second ratchet 10 does not contact with the second ratchet 8, first ratchet 6 contacts with the first ratchet 7, and slide on the first ratchet 7, when escalator rotates counterclockwise, first ratchet 6 does not contact with the first ratchet 7, second ratchet 10 contacts with the second ratchet 8, and slides on the second ratchet 8, forms the anti-reverse structure of mechanical type escalator.
In order to ensure result of use and easy to maintenance, described sliding panel 2 is equipped with the first sliding panel travel switch 26, second sliding panel travel switch 27 near moving handle 3 on one side, base plate 1 below first ratchet 7, second ratchet 8 is equipped with locating dowel pin 30, locating dowel pin travel switch 28 locating dowel pin side is equipped with, sliding panel is provided with opens along direction of slip is alternate the first dowel hole 31, second dowel hole 32 matched with locating dowel pin, locating dowel pin withstands on the spring 29 in base plate pin-and-hole, forms the stretching structure of locating dowel pin;
The first described ratchet 6, first slide block 24 links together through the first detent pin 25; The second described ratchet 10, second slide block 15 links together through the second detent pin 13;
Described locating dowel pin 30 is equipped with positioning pin handle 19.
During use, the first ram travel switch 23, second ram travel switch 16, locating dowel pin travel switch 28, first sliding panel travel switch 26, second sliding panel travel switch 27 are all connected with the controller of escalator.
The above detailed description of the invention is used for explaining and the present invention is described; instead of limit the invention; all in the protection domain of design philosophy of the present invention and claim; any amendment or change are made to the present invention; its essence is identical with technical scheme of the present invention, all should be considered as protection scope of the present invention.
As can be seen from said structure, the present invention is arranged on the connecting element of escalator at base plate 1, sliding panel 2 is arranged on base plate 1, sliding panel 2 is equipped with moving handle 3 above, during sliding fixed handle 3, sliding panel 2 can horizontally slip on base plate 1, base plate 1 is provided with locating dowel pin 30, withstand on locating pin spring 29 bottom locating dowel pin 30, on sliding panel 2 with have the first dowel hole 31, second dowel hole 32, positioning pin handle 19 locating dowel pin 30 is equipped with, pull positioning pin handle 19, locating dowel pin 30 can be thrown off from the first dowel hole 31 or the second dowel hole 32, now shifting board 2 can move under the effect pulling moving handle 3, first dowel hole 31 and the corresponding escalator of the second dowel hole 32 rotate clockwise and rotate counterclockwise, when escalator is set to clockwise direction running, pull positioning pin handle 19 and moving handle 3, locating dowel pin 30 is allowed to enter in the first dowel hole 31, with fixing shifting board 2, when escalator is set to anticlockwise direction running, pull positioning pin handle 19 and moving handle 3, locating dowel pin 30 is allowed to enter in the second dowel hole 32, with fixing shifting board 2.Locating dowel pin travel switch 28 is equipped with in locating dowel pin 30 side, and when locating dowel pin 30 enters in the first dowel hole 31 or the second dowel hole 32, locating dowel pin travel switch 28 sends Relocation complete signal to escalator controller.
First ratchet 7 and the second ratchet 8 are installed on the transmission shaft of escalator, and the bending direction of the tooth of the first ratchet 7 and the second ratchet 8 is contrary, and the first ratchet 7 rotates together with transmission shaft with the second ratchet 8.Sliding panel 2 is separately installed with two cover ratchets, two cover ratchets are arranged on the both sides of ratchet respectively.Sliding panel 2 is provided with the first guide rail 21, first guide rail 21 is provided with the first slide block 24, first slide block 24 can slide up and down on the first guide rail 21, the first sliding block spring 22 is equipped with in first slide block 24 bottom, the first ram travel switch 23 is equipped with in first slide block 24 bottom, first slide block 24 is connected with the first ratchet 6 by the first detent pin 25 on top, first ratchet 6 can rotate around the first detent pin 25, spacing by the first ratchet locating plate 20 on the right side of first ratchet 6, withstood by ratchet spring 5 on the left of first ratchet 6, ratchet spring 5 is fixed on the first spring-support plate 4.Right side the second ratchet 10 and support structure identical with the first ratchet 6, repeat no more.
When escalator rotates clockwise, locating dowel pin 30 on base plate 1 enters in the first dowel hole 31 on sliding panel 2, now the first ratchet 6 contacts with the first ratchet 7 under the effect of the first ratchet spring 5, first ratchet 6 slides on the first ratchet 7, second ratchet 10 does not contact with the second ratchet 8, if now escalator becomes suddenly and rotates counterclockwise, then the first ratchet 6 can withstand the tooth of the first ratchet 7, now the first ratchet 6 and the first slide block 24 will move down, owing to being equipped with the first sliding block spring 22 bottom the first slide block 24, after mobile certain displacement, first slide block 24 and the first ratchet 6 will stop, now the first ratchet 7 also stops operating, thus ensure when escalator is swerved, escalator is forced out of service, first sliding block spring 22 mainly plays buffer action, when the first slide block 24 moves down into lowermost end, trigger the first ram travel switch 23, unexpected for escalator energizing signal is given controller or is directly cut off the power supply of electrical motor by the first ram travel switch 23, thus it is out of service to control escalator.When escalator rotates counterclockwise, locating dowel pin 30 on base plate 1 enters in the second dowel hole 32 on sliding panel 2, now the second ratchet 10 contacts with the second ratchet 8 under the effect of the second ratchet spring 11, second ratchet 10 slides on the second ratchet 8, first ratchet 6 does not contact with the first ratchet 7, if now escalator becomes suddenly and rotates clockwise, its anti-reverse process as hereinbefore, repeats no more.
The present invention compared with prior art, has following significant Advantageous Effects:
Mechanical type escalator anti-kickback device of the present invention can prevent malfunctioning at control system for escalator or manual operation is improper and escalator that is that cause reverses suddenly the generation of the personnel casualty accidents caused, and improves the safety of escalator.Through in-place test and application, 20 escalators of 10 proving grounds are installed and used, in 3 months of trail run, when artificial manufacture reverses, only there are a cause ratchet distortion and the reversal that causes, and obtain reparation effectively in time, do not cause large accident, show that result of use is very good, safe and practical, purposes is wide, market can be widely used in, supermarket, station, the escalator that the places such as airport are installed, there is structure simple, reliability is high, the advantage of uncontrolled systematic influence, there is very strong actual application value, economic and social benefit is huge.

Claims (5)

1. a mechanical type escalator anti-kickback device, comprises base plate, sliding panel, guide rail, slide block, pawl-and-gearing, is characterized in that, guide rail comprises the first guide rail, second guide rail, slide block comprises the first slide block, second slide block, ratchet comprises the first ratchet, second ratchet, ratchet comprises the first ratchet, second ratchet, the first ratchet (7), second ratchet (8) ratchet is contrary, parallel spaced-apart open be contained in escalator turning cylinder (9) on, rotate with turning cylinder, base plate (1) is installed on the fixed frame of escalator, base plate (1) is equipped with the sliding panel (2) horizontally slipped, sliding panel (2) is provided with moving handle (3) from left to right successively, first spring-support plate (4), first guide rail (21), first ratchet locating plate (20), second ratchet locating plate (18), second guide rail (14) and the second spring-support plate (12), the first slide block (24) slided up and down first guide rail (21) is equipped with, the first sliding block spring (22) and the first ram travel switch (23) are equipped with in first slide block (24) bottom, the first ratchet (6) first slide block (24) is equipped with, the first ratchet spring (5) is had between first ratchet (6) and the first spring-support plate (4), first ratchet locating plate (20) lower end is fixed on sliding panel (2), and upper end is blocked by with the first ratchet (6), the second slide block (15) slided up and down second guide rail (14) is equipped with, the second sliding block spring (17) and the second ram travel switch (16) are equipped with in second slide block (15) bottom, the second ratchet (10) second slide block (15) is equipped with, the second ratchet spring (11) is had between second ratchet (10) and the second spring-support plate (12), second ratchet locating plate (18) lower end is fixed on sliding panel (2), and upper end is blocked by the second ratchet (10), first ratchet (7), second ratchet (8) is placed between the first ratchet (6) and the second ratchet (10), first ratchet (7) is corresponding with the first ratchet (6), second ratchet (8) is corresponding with the second ratchet (10), when escalator rotates clockwise, second ratchet (10) does not contact with the second ratchet (8), first ratchet (6) contacts with the first ratchet (7), and in the upper slip of the first ratchet (7), when escalator rotates counterclockwise, first ratchet (6) does not contact with the first ratchet (7), second ratchet (10) contacts with the second ratchet (8), and in the upper slip of the second ratchet (8), form the anti-reverse structure of mechanical type escalator.
2. mechanical type escalator anti-kickback device according to claim 1, it is characterized in that, described sliding panel (2) is equipped with the first sliding panel travel switch (26) near moving handle (3) on one side, second sliding panel travel switch (27), first ratchet (7), the base plate (1) of the second ratchet (8) below is equipped with locating dowel pin (30), locating dowel pin travel switch (28) locating dowel pin side is equipped with, sliding panel is provided with opens along direction of slip is alternate the first dowel hole (31) matched with locating dowel pin, second dowel hole (32), locating dowel pin withstands on the spring (29) in base plate pin-and-hole, form the stretching structure of locating dowel pin.
3. mechanical type escalator anti-kickback device according to claim 1, is characterized in that, described the first ratchet (6), the first slide block (24) link together through the first detent pin (25).
4. mechanical type escalator anti-kickback device according to claim 1, is characterized in that, described the second ratchet (10), the second slide block (15) link together through the second detent pin (13).
5. mechanical type escalator anti-kickback device according to claim 2, is characterized in that, described locating dowel pin (30) is equipped with positioning pin handle (19).
CN201610175234.9A 2016-03-25 2016-03-25 Mechanical anti-reverse-rotation device for escalators Expired - Fee Related CN105565138B (en)

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Application Number Priority Date Filing Date Title
CN201610175234.9A CN105565138B (en) 2016-03-25 2016-03-25 Mechanical anti-reverse-rotation device for escalators

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Application Number Priority Date Filing Date Title
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CN105565138B CN105565138B (en) 2017-04-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107498518A (en) * 2017-09-15 2017-12-22 郑州大学 A kind of automobile production instrument line panel sub-assembling platform of convenient clamping
CN108652756A (en) * 2017-03-30 2018-10-16 崔家鸣 Tendon clamp-on holder
CN111642491A (en) * 2020-06-28 2020-09-11 黄淮学院 A trees protection against insects medicament spraying apparatus for municipal garden
CN113396733A (en) * 2021-06-30 2021-09-17 重庆花韵网络科技有限公司 A culture apparatus for potted plant

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Publication number Priority date Publication date Assignee Title
CN201103641Y (en) * 2007-11-03 2008-08-20 于波涛 Check device for hoister
JP2010285273A (en) * 2009-06-15 2010-12-24 Hitachi Building Systems Co Ltd Emergency time brake device of passenger conveyor
CN201777769U (en) * 2010-08-23 2011-03-30 浙江凌志电梯有限公司 Non-manipulation anti-reverse rotation protection device for escalator
CN202848839U (en) * 2012-11-06 2013-04-03 嵊州市特种链轮有限公司 Anti-reversal device of escalator driving mechanism
CN203308967U (en) * 2013-05-03 2013-11-27 嵊州市精达电机有限公司 Ratchet wheel backstop
CN205397825U (en) * 2016-03-25 2016-07-27 黄淮学院 Mechanical type automatic escalator anti -inversion device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201103641Y (en) * 2007-11-03 2008-08-20 于波涛 Check device for hoister
JP2010285273A (en) * 2009-06-15 2010-12-24 Hitachi Building Systems Co Ltd Emergency time brake device of passenger conveyor
CN201777769U (en) * 2010-08-23 2011-03-30 浙江凌志电梯有限公司 Non-manipulation anti-reverse rotation protection device for escalator
CN202848839U (en) * 2012-11-06 2013-04-03 嵊州市特种链轮有限公司 Anti-reversal device of escalator driving mechanism
CN203308967U (en) * 2013-05-03 2013-11-27 嵊州市精达电机有限公司 Ratchet wheel backstop
CN205397825U (en) * 2016-03-25 2016-07-27 黄淮学院 Mechanical type automatic escalator anti -inversion device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108652756A (en) * 2017-03-30 2018-10-16 崔家鸣 Tendon clamp-on holder
CN107498518A (en) * 2017-09-15 2017-12-22 郑州大学 A kind of automobile production instrument line panel sub-assembling platform of convenient clamping
CN111642491A (en) * 2020-06-28 2020-09-11 黄淮学院 A trees protection against insects medicament spraying apparatus for municipal garden
CN113396733A (en) * 2021-06-30 2021-09-17 重庆花韵网络科技有限公司 A culture apparatus for potted plant
CN113396733B (en) * 2021-06-30 2022-07-19 西藏满登科技有限公司 A culture apparatus for potted plant

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