CN103373655B - Photo-electric building hoist obstacle blocking apparatus - Google Patents

Photo-electric building hoist obstacle blocking apparatus Download PDF

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Publication number
CN103373655B
CN103373655B CN201310353626.6A CN201310353626A CN103373655B CN 103373655 B CN103373655 B CN 103373655B CN 201310353626 A CN201310353626 A CN 201310353626A CN 103373655 B CN103373655 B CN 103373655B
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building hoist
photoelectric switch
photo
blocking apparatus
sliding bar
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CN103373655A (en
Inventor
徐开华
谢惠庆
向蓉华
成鹏
刘飙
李科
李小平
吴小玲
李闯
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Chengdu No4 Construction Engineering Co
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Chengdu No4 Construction Engineering Co
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Abstract

The invention discloses a kind of photo-electric building hoist obstacle blocking apparatus, comprise building hoist power supply and building hoist control loop, also comprise the photoelectric switch and Manual reset stop controller that are arranged on bottom elevator car above building one side-lower and/or car top; Described building hoist power supply is used for providing power supply for described building hoist control loop; When described photoelectric switch detects obstacle, described photoelectric switch is in off-state; Described Manual reset stop controller is connected with described photoelectric switch, for detecting the on off mode of described photoelectric switch, when detecting that described photoelectric switch is in off-state, the power supply of automatic cut-out described elevator control loop thus make described elevator control loop dead electricity, building hoist stops running.The present invention has ensured that building hoist safe in operation, structure are simple, reliability is high.

Description

Photo-electric building hoist obstacle blocking apparatus
Technical field
The present invention relates to building hoist control field, particularly a kind of building hoist runs aerial barrage thing blocking apparatus.
Background technology
Along with building industry development, building operation is used for building construction hoist and is also got more and more, existing building hoist is aloft in operational process, building hoist may be met the personnel or other building implement equipment (such as steel pipe) stretched from building etc. of the outside the building surface construction of the side of being located thereon or below and cause safety misadventure, may directly cause casualties.This demand ensured for building hoist safe in operation increases, but investigation finds, the domestic technical scheme substantially not occurring head it off at present.In order to make up this technological gap, eliminating the potential safety hazard that it exists, ensureing building hoist safe in operation, be badly in need of developing a kind of building hoist spatial obstacle thing blocking apparatus.
Summary of the invention
To the object of the invention is to overcome in prior art existing above-mentioned deficiency, provide that a kind of safety is good, structure is simple, reliability is high, convenient for installation and maintenance and scene adaptable photo-electric building hoist obstacle blocking apparatus.
In order to solve the problem, the technical solution used in the present invention is:
A kind of photo-electric building hoist obstacle blocking apparatus, comprise building hoist power supply and building hoist control loop, also comprise the photoelectric switch and Manual reset stop controller that are arranged on bottom elevator car above building one side-lower and/or car top; Described building hoist power supply is used for providing power supply for described building hoist control loop; When described photoelectric switch detects obstacle (such as workmen or other building implement equipment etc.), described photoelectric switch is in off-state; Described Manual reset stop controller is connected with described photoelectric switch, for detecting the on off mode of described photoelectric switch, when detecting that described photoelectric switch is in off-state, the power supply of automatic cut-out described elevator control loop thus make described elevator control loop dead electricity, building hoist stops running.
Preferably, described Manual reset stop controller also makes described elevator control loop be energized for manually resetting after building hoist stopping runs clearing of obstruction thing, and building hoist starts to continue to run.
Preferably, described Manual reset stop controller is also for reporting to the police when detecting that described photoelectric switch is in off-state.
Preferably, described car bilateral symmetry is provided with sleeve, and described sleeve is built with the sliding bar that can slide up and down along sleeve, and the top of described sleeve and bottom are respectively equipped with the guiding plug preventing sliding bar from rotating; The transmitting terminal of described photoelectric switch and receiving end symmetry are arranged on the bottom of the described sliding bar of car both sides.
Further, be provided with Compress Spring in described sleeve, described sliding bar is through the hollow bulb of described Compress Spring, and described Compress Spring lower end is fixed on described sliding bar.
Preferably, the transmitting terminal of described photoelectric switch and receiving end are all provided with protective cover.
Further, the transmitting terminal of described photoelectric switch and the protective cover of receiving end all have hole, the hole of light on the protective cover of transmitting terminal that the transmitting terminal of described photoelectric switch sends is injected in the hole on the protective cover of the receiving end of described photoelectric switch.
Further, described hole is the circular hole that diameter is less than 10mm.
Preferably, after the relatively described sleeve of sliding bar described in normally running at elevator slides and falls, be positioned at the photoelectric switch of described sliding bar bottom and the vertical distance of described elevator car bottom surface is 50-60cm.
Preferably, the profile of described sliding bar and sleeve is square, rectangle, cylindrical shape or triangle.
compared with prior art, beneficial effect of the present invention:
Photoelectric switch is adopted obstacle to be detected in the present invention, when photoelectric switch detects obstacle, described photoelectric switch is in off-state, when described Manual reset stop controller detects that described photoelectric switch is in off-state, the power supply of automatic cut-out described elevator control loop thus make described elevator control loop dead electricity, building hoist stops running, like this when elevator detects obstacle (outside the building the personnel of surface construction or other building implement equipment stretched from building), can be out of service, avoid the generation of safety misadventure, safe in operation for building hoist ensures and greatly improves, eliminate the potential safety hazard existed at present.The present invention increases photoelectric switch and Manual reset stop controller to realize detection control on the basis of original elevator control circuit, and structure is simple, reliability is high, can install this device in any camp site, convenient for installation and maintenance, on-the-spot strong adaptability.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the present invention senses obstacle momentary status schematic diagram.
Fig. 3 is last halted state schematic diagram after the present invention responds to obstacle.
Fig. 4 is that telescoping mechanism of the present invention is at the normal run time organization schematic diagram of building hoist
Fig. 5 is telescoping mechanism of the present invention structural representation after building hoist drops to ground.
Fig. 6 is Manual reset stop controller fundamental diagram of the present invention.
Fig. 7 is Manual reset stop controller structural representation of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
As shown in figs. 1-7, photo-electric building hoist obstacle blocking apparatus of the present invention, comprise building hoist power supply and building hoist control loop (not shown), described building hoist control loop is positioned at the building hoist electric control box 6 being arranged on car, also comprise the photoelectric switch (being made up of transmitting terminal 2 and receiving end 3) and Manual reset stop controller 15 that are arranged on close building 9 one side-lower and/or car 1 over top bottom elevator car 1.Photoelectric switch is made up of transmitting terminal 2 and receiving end 3, wherein transmitting terminal 2 and receiving end 3 position interchangeable.This Manual reset stop controller 15 is arranged in building hoist car 1, is controlled by operating personal.Described building hoist power supply is used for providing power supply for described building hoist control loop; When described photoelectric switch detects obstacle 14(such as workmen or other building implement equipment etc. in building hoist operational process) time, described photoelectric switch is in off-state, the light that the transmitting terminal 2 that namely obstacle 14 has blocked photoelectric switch sends, this light be cut off can not receive by the receiving end 3 of photoelectric switch.Described Manual reset stop controller 15 is connected with described photoelectric switch with crossing cable 7, for detecting the on off mode of described photoelectric switch, when detecting that described photoelectric switch is in off-state, the power supply of automatic cut-out described elevator control loop thus make described elevator control loop dead electricity, building hoist stops running.Like this when elevator detects the obstacle 14(outside the building personnel of surface construction or other building implement equipment stretched from building) time, can be out of service immediately, avoid the generation of safety misadventure, the safe in operation for building hoist ensures and greatly improves.
In order to ensure building hoist safe in operation further, described Manual reset stop controller 15 also makes described elevator control loop be energized for manually resetting after building hoist stopping runs clearing of obstruction thing 14, and building hoist starts to continue to run.When there is not described spatial obstacle thing 14 in building hoist running space, the normal incident light electric switch receiving end 3 of emission of light energy of described photoelectric switch transmitting terminal 2, manually the energising of reset stop control 15 Non-follow control makes building hoist normally run.Further, described Manual reset stop controller 15 also for carrying out when detecting that described photoelectric switch is in off-state report to the police (the various type of alarm such as such as sound, light and electricity), to remind operating personal.
In order to ensure the validity that photoelectric switch detects, described car 1 bilateral symmetry is provided with sleeve 5, and described sleeve 5 is arranged on car 1 by otic placode 13, and sleeve 5 is installed on the two ends near building 9 one side bottom car 1.Described sleeve 5 is built with the sliding bar 4 that can slide up and down along sleeve 5, and the top of described sleeve 5 and bottom are respectively equipped with the guiding plug (11,10) preventing sliding bar 4 from rotating; The transmitting terminal 2 of described photoelectric switch and receiving end 3 symmetry are arranged on the bottom of the described sliding bar 4 of car 1 both sides.If sliding bar 4 rotation of car 1 both sides can cause the emission of light of the transmitting terminal 2 of photoelectric switch can not normal incident light electric switch receiving end 4 in elevator operational process, cause detecting and lost efficacy.Adopt this structure can ensure the emission of light normal incident light electric switch receiving end 3 all the time of the transmitting terminal 2 of photoelectric switch, ensure to detect validity.In order to sliding bar 4 after ensureing building hoist complete stop layers to ground can get back to the control position of sliding bar 4 when building hoist runs in the air, Compress Spring 12 is provided with in described sleeve 5, described sliding bar 4 is through the hollow bulb of described Compress Spring 12, and described Compress Spring 12 lower end is fixed on described sliding bar 4.Described sliding bar 4 is free to slide in described sleeve 5, when building hoist will stop layers to ground time, described sliding bar 4 meeting elder generation and earth surface, while building hoist continues to run downwards, described sliding bar 4 is by ground force effect meeting upward sliding, Compress Spring 12 also gradually reduces, until the complete stop layers of building hoist is to ground, described sliding bar 4 stops sliding (as shown in Figure 5); When building hoist prepares upwards to run from ground, along with the rising of building hoist, described sliding bar 4 is subject to gravity and spring-force driven dual meeting slide downward, until slip normal operation position (as shown in Figure 4).Wherein, described sleeve 5, sliding bar 4, sleeve lower end guiding plug 10, sleeve upper end guiding plug 11, and the Compress Spring 12 between lower end guiding plug 10 and upper end guiding plug 11 forms the telescoping mechanism of this this blocking apparatus, Fig. 4 and Fig. 5 is when building hoist normally runs respectively and drops to the schematic diagram of ground latter two state, and blocking apparatus has telescopic mechanism, to adapt to the different ground buffer height of each camp site building hoist.
Preferably, the transmitting terminal 2 of described photoelectric switch and receiving end 3 are all provided with protective cover 8.Photoelectric switch can be protected like this, in order to avoid damaged by the foreign material dropped in construction environment.In order to further ensure that photoelectric switch detects validity, the transmitting terminal 2 of described photoelectric switch and the protective cover 8 of receiving end 3 all have hole, the hole of light on the protective cover 8 of transmitting terminal 2 that the transmitting terminal 2 of described photoelectric switch sends is injected in the hole on the protective cover 8 of the receiving end 2 of described photoelectric switch, makes the light that sends more concentrated like this.Described hole is preferably the circular hole that diameter is less than 10mm.
In order to ensure construction safety, after the relatively described sleeve 5 of sliding bar 4 described in normally running at elevator slides and falls, the vertical distance h of the photoelectric switch and described elevator car 1 bottom surface that are positioned at described sliding bar 4 bottom is 50-60cm (with reference to figure 2).Like this when elevator detects the obstacle 14(outside the building personnel of surface construction or other building implement equipment stretched from building) time, there is a buffer distance, if excessively near bottom photoelectric switch distance car 1, when obstacle 14 being detected, because inertia car 1 also will run a segment distance, namely stopping distance, cage bottom may be encountered obstacle 14 and cause causing casualties.The profile of sliding bar 4 described in the present invention and sleeve 5 is square, rectangle, cylindrical shape or triangle etc., mutually adaptive setting.
The present invention is further illustrated below in conjunction with an instantiation.Referring to Fig. 6 and Fig. 7, the controller of hand reset described in the present invention comprises box body 15, the button switch SB that described box body is installed, described box body is built with relay, button switch is connected with building hoist power supply with after one group of open contact parallel connection of relay with after the coil of relay, photoelectric switch, rectifier, transformer series, another group open contact of relay is connected with building hoist control loop respectively, the coils from parallel connection of coils of light-emitting diode and relay.For the ease of the operator of building hoist to the operation of Manual reset stop controller, described Manual reset stop controller is loaded on the position of convenient operation in construction elevator cage.Concrete, Manual reset stop controller principle of work is: during beginning, relay normally open contact K1 and K2 is closed forms self-locking, button switch SB disconnects, photoelectric switch Q1(is made up of jointly transmitting terminal in Fig. 12 and receiving end 3) be in the normal state (often opening), the coil K of relay is energized, now photoelectric switch Q1 is in closure state, when coil continues energising, the light emitting diode V in parallel with coil K obtains electroluminescence (indicating relay obtains electricity condition), building hoist control loop is also connected, thus make control path L1 keep channel status, building hoist control loop keeps path, building hoist normally runs, wherein original Power convert is 24V direct supply by voltage transformer T and rectifier U by building hoist power supply, meet the voltage requirements of photoelectric switch and relay, when there is obstacle in building hoist running space, photoelectric switch Q1 will be in off-state, the coil K dead electricity of relay, the open contact K2 connected with building hoist control loop disconnects, building hoist dead electricity is out of service, open contact K1 also will disconnect, and relay will lose self-locking state and remain open state, and the light-emitting diode V dead electricity in parallel with coil K is extinguished.After clearing of obstruction thing, when restarting, press the button switch S B, coil K is energized, relay normally open contact K1 and K2 is closed forms self-locking, and button switch SB automatically resets, and building hoist control loop is connected thus made control path L1 keep channel status, building hoist control loop keeps path, and building hoist normally runs.
In sum; if there is spatial obstacle thing in building hoist running space; the photoelectric switch of photo-electric blocking apparatus is through obstacle; obstacle will stop photoelectric switch receiving end to receive emission of light; due to photoelectric switch manually reset stop control connect with safety protection device for construction lift control loop; now safety protection device for construction lift control loop will dead electricity; building hoist stops running; after clearing of obstruction thing; press Manual reset stop controller button switch, building hoist restarts operation.
The present invention is realized induction of signal by photoelectric switch emission of light by the cut-out of spatial obstacle thing; photoelectric switch manually reset stop control is connected with safety protection device for construction lift control loop and is realized intracellular signaling, and final building hoist dead electricity is out of service realizes signal control.Above-mentioned induction of signal mode realizes induction and separate, and the precision of induction is high, and fast response time, practicality are reliably.The present invention modifies to the mechanism of building hoist own hardly, and nearly all construction hoist electrical system is all applicable to the present invention.Tool of the present invention has the following advantages:
1. structure of the present invention is simple, safe and reliable, oad is little, easy for installation, the building hoist that can be installed on various model type.
2. the present invention protects comprehensively, adopts photoelectric switch correlation technology, realizes induction and separate, and can respond to the above obstacle of diameter 10mm.
3. the present invention is very strong for weather and camp site comformability, is applicable to the weather such as strong wind, haze, high light, night, can resists the impacts such as camp site mortar, sewage, dust; Adopt telescopic mechanism simultaneously, be applicable to the ground buffer height that each camp site building hoist is different.
4. the present invention adopts the photoelectric switch manually reset stop control intracellular signaling mode of connecting with safety protection device for construction lift control loop, and this conduction pattern precision is high, fast response time.
5. structural stability of the present invention is good, to be installed on directly over building hoist simultaneously and/or immediately below, be not easy to be subject to artificial destruction, simultaneously each part replacement and easy to maintenance.
6. the present invention adopts Manual reset stop controller Non-follow control, avoid photoelectric switch break through obstacle after building hoist obtain electric continuation and run and collide with obstacle, its structure is reliably effective.
By reference to the accompanying drawings the specific embodiment of the present invention is described in detail above, but the present invention is not restricted to above-mentioned embodiment, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.

Claims (10)

1. a photo-electric building hoist obstacle blocking apparatus, comprise building hoist power supply and building hoist control loop, it is characterized in that, also comprise Manual reset stop controller and be arranged on bottom elevator car near building one side-lower and/or the photoelectric switch of car top above building side;
Wherein, described building hoist power supply is used for providing power supply for described building hoist control loop; When described photoelectric switch detects obstacle, described photoelectric switch is in off-state; Described Manual reset stop controller is connected with described photoelectric switch, for detecting the on off mode of described photoelectric switch, when detecting that described photoelectric switch is in off-state, the power supply of automatic cut-out described elevator control loop thus make described elevator control loop dead electricity, building hoist stops running.
2. photo-electric building hoist obstacle blocking apparatus according to claim 1, it is characterized in that, described Manual reset stop controller also makes described elevator control loop be energized for manually resetting after building hoist stopping runs clearing of obstruction thing, and building hoist starts to continue to run.
3. photo-electric building hoist obstacle blocking apparatus according to claim 1, is characterized in that, described Manual reset stop controller is also for reporting to the police when detecting that described photoelectric switch is in off-state.
4. the photo-electric building hoist obstacle blocking apparatus according to any one of claims 1 to 3, it is characterized in that, described car bilateral symmetry is provided with sleeve, described sleeve is built with the sliding bar that can slide up and down along sleeve, and the top of described sleeve and bottom are respectively equipped with the guiding plug preventing sliding bar from rotating; The transmitting terminal of described photoelectric switch and receiving end symmetry are arranged on the bottom of the described sliding bar of car both sides.
5. photo-electric building hoist obstacle blocking apparatus according to claim 4, is characterized in that, be provided with Compress Spring in described sleeve, and described sliding bar is through the hollow bulb of described Compress Spring, and described Compress Spring lower end is fixed on described sliding bar.
6. photo-electric building hoist obstacle blocking apparatus according to claim 4, it is characterized in that, transmitting terminal and the receiving end of described photoelectric switch are all provided with protective cover.
7. photo-electric building hoist obstacle blocking apparatus according to claim 6, it is characterized in that, the transmitting terminal of described photoelectric switch and the protective cover of receiving end all have hole, and the hole of light on the protective cover of transmitting terminal that the transmitting terminal of described photoelectric switch sends is injected in the hole on the protective cover of the receiving end of described photoelectric switch.
8. photo-electric building hoist obstacle blocking apparatus according to claim 7, it is characterized in that, described hole is the circular hole that diameter is less than 10mm.
9. photo-electric building hoist obstacle blocking apparatus according to claim 4, it is characterized in that, after the relatively described sleeve of sliding bar described in normally running at elevator slides and falls, be positioned at the photoelectric switch of described sliding bar bottom and the vertical distance of described elevator car bottom surface is 50-60cm.
10. photo-electric building hoist obstacle blocking apparatus according to claim 4, is characterized in that, the profile of described sliding bar and sleeve is square, cylindrical shape or triangle.
CN201310353626.6A 2013-08-14 2013-08-14 Photo-electric building hoist obstacle blocking apparatus Active CN103373655B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103395666B (en) * 2013-08-14 2015-12-09 成都市第四建筑工程公司 A kind of mechanical type building hoist spatial obstacle thing blocking apparatus
CN110456660A (en) * 2019-07-31 2019-11-15 南京铁道职业技术学院 A kind of urban rail transit vehicles electric control system simulation teching device

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US4840248A (en) * 1987-06-02 1989-06-20 Silverman Edward J Safety switch light fence
FR2836468A1 (en) * 2002-02-28 2003-08-29 Pinguely Haulotte Lift cage for working at height has radar or ultrasound detectors to measure distance from obstacles and linked to controls and/or alarm
CN201942376U (en) * 2010-12-30 2011-08-24 成都市第四建筑工程公司 Manual reset stop controller

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Publication number Priority date Publication date Assignee Title
JPS5249549A (en) * 1975-10-16 1977-04-20 Hiroshi Ishikawa Cargo lifting apparatus for a storehouse having plurality of floors
JPH03158370A (en) * 1989-11-13 1991-07-08 Toshiba Corp Abnormal condition detecting device of elevator
JPH11335018A (en) * 1998-05-26 1999-12-07 Toshiba Elevator Co Ltd Elevator
JP2002128408A (en) * 2000-10-27 2002-05-09 Mitsubishi Electric Building Techno Service Co Ltd Method for inspection operation in elevator system after occurrence of earthquake, and obstacle detector

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US4840248A (en) * 1987-06-02 1989-06-20 Silverman Edward J Safety switch light fence
FR2836468A1 (en) * 2002-02-28 2003-08-29 Pinguely Haulotte Lift cage for working at height has radar or ultrasound detectors to measure distance from obstacles and linked to controls and/or alarm
CN201942376U (en) * 2010-12-30 2011-08-24 成都市第四建筑工程公司 Manual reset stop controller

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