CN103373655A - Photoelectric type barrier intercept device for building hoist - Google Patents
Photoelectric type barrier intercept device for building hoist Download PDFInfo
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- CN103373655A CN103373655A CN2013103536266A CN201310353626A CN103373655A CN 103373655 A CN103373655 A CN 103373655A CN 2013103536266 A CN2013103536266 A CN 2013103536266A CN 201310353626 A CN201310353626 A CN 201310353626A CN 103373655 A CN103373655 A CN 103373655A
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- building hoist
- photoelectric switch
- photo
- control loop
- blocking apparatus
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Abstract
The invention discloses a photoelectric type barrier intercept device for a building hoist. The photoelectric type barrier intercept device for the building hoist comprises a building hoist power source and a building hoist control loop, and further comprises a photoelectric switch and a manual reset stop controller, wherein the photoelectric switch is installed below one side, close to a building, of the bottom of a building hoist lift car and/or above the top of the building hoist lift car, and the building hoist power source is used for providing power supply for the building hoist control loop. When the photoelectric switch detects a barrier, the photoelectric switch is arranged in an opened state; the manual reset stop controller is connected with the photoelectric switch, and is used for detecting the opened-and-closed state of the photoelectric switch; when the situation that the photoelectric switch is arranged in the opened state is detected, the power source of the building hoist control loop is automatically cut off, the building hoist control loop is de-energized, and the building hoist stopping running. The photoelectric type barrier intercept device for the building hoist ensures that the building hoist is safe in operation, simple in structure and high in reliability.
Description
Technical field
The present invention relates to the building hoist control field, particularly a kind of building hoist operation aerial barrage thing blocking apparatus.
Background technology
Along with the building industry development, building operation is used also more and more for building construction hoist, existing building hoist is aloft in the operational process, building hoist may be met the personnel of outside the building surface construction of the side of being located thereon or below or other building implement equipment (such as steel pipe) of stretching from building etc. and cause safety misadventure, may directly cause casualties.This increases for the demand that the building hoist safe in operation ensures, but the present domestic technical scheme that head it off substantially do not occur is found in investigation.In order to remedy this technological gap, eliminate the potential safety hazard of its existence, guarantee the 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
The object of the invention is to overcome existing above-mentioned deficiency in the prior art, provide that a kind of safety is good, simple in structure, reliability is high, adaptable photo-electric building hoist obstacle blocking apparatus convenient for installation and maintenance and on-the-spot.
In order to address the above 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 being installed in the elevator car bottom near photoelectric switch and the Manual reset stop controller of building one side-lower and/or car top top; Described building hoist power supply is used to described building hoist control loop that power supply is provided; When described photoelectric switch detected obstacle (such as workmen or other building implement equipment etc.), described photoelectric switch was in off-state; Described Manual reset stop controller is connected with described photoelectric switch, on off mode for detection of described photoelectric switch, when detecting described photoelectric switch and be in off-state, thereby the power supply that automatically cuts off described elevator control loop makes described elevator control loop dead electricity, and building hoist stops operation.
Preferably, described Manual reset stop controller also is used for making described elevator control loop energising by hand reset after building hoist stops to move the clearing of obstruction thing, and building hoist begins to continue operation.
Preferably, described Manual reset stop controller also is used for reporting to the police when described photoelectric switch is in off-state when detecting.
Preferably, described car bilateral symmetry is equipped with sleeve, and the sliding bar that can slide up and down along sleeve is housed in the described sleeve, and the top of described sleeve and bottom are respectively equipped with the guiding plug that the anti-skidding bar rotates; The transmitting terminal of described photoelectric switch and receiving end symmetry are installed in the bottom of the described sliding bar of car both sides.
Further, be provided with Compress Spring in the described sleeve, described sliding bar passes the hollow bulb of described Compress Spring, and described Compress Spring lower end is fixed on the described sliding bar.
Preferably, the transmitting terminal of described photoelectric switch and receiving end all are equipped with protective cover.
Further, all have the hole on the transmitting terminal of described photoelectric switch and the protective cover of receiving end, the hole of the light that the transmitting terminal of described photoelectric switch sends on the protective cover of transmitting terminal injected in the hole on the protective cover of receiving end of described photoelectric switch.
Further, described hole is that diameter is less than the circular hole of 10mm.
Preferably, after the relatively described sleeve slip of the normal described sliding bar in service of elevator fell, being positioned at the photoelectric switch of described sliding bar bottom and the vertical distance of described elevator car bottom surface was 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:
Adopt photoelectric switch to detect obstacle among the present invention, when photoelectric switch detects obstacle, described photoelectric switch is in off-state, when described Manual reset stop controller detects described photoelectric switch and is in off-state, thereby the power supply that automatically cuts off described elevator control loop makes described elevator control loop dead electricity, building hoist stops operation, like this when elevator detects obstacle (the outside the building personnel of surface construction or other building implement equipment of stretching from building), can be out of service, avoided the generation of safety misadventure, safe in operation for building hoist ensures greatly raising, has eliminated the potential safety hazard of present existence.The present invention increases photoelectric switch and Manual reset stop controller and realizes detecting control on the basis of original elevator control circuit, simple in structure, reliability is high, can this device be installed in any camp site, strong adaptability convenient for installation and maintenance, on-the-spot.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the present invention senses obstacle momentary status scheme drawing.
Fig. 3 is that the present invention responds to last halted state scheme drawing behind the obstacle.
Fig. 4 is that telescoping mechanism of the present invention is at the normal run time organization scheme drawing 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.
The specific embodiment
The present invention is described in further detail below in conjunction with the specific embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology that realizes based on content of the present invention all belong to scope of the present invention.
Shown in Fig. 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 that is installed in car, also comprise and be installed in elevator car 1 bottom near photoelectric switch (being consisted of by transmitting terminal 2 and receiving end 3) and the Manual reset stop controller 15 of building 9 one side-lowers and/or car 1 over top.Photoelectric switch is made of transmitting terminal 2 and receiving end 3, and wherein transmitting terminal 2 and receiving end 3 positions are interchangeable.This Manual reset stop controller 15 is installed in the building hoist car 1, is controlled by operating personal.Described building hoist power supply is used to described building hoist control loop that power supply is provided; In the building hoist operational process, detect such as workmen or other building implement equipment etc. of obstacle 14(when described photoelectric switch) time, described photoelectric switch is in off-state, namely obstacle 14 has blocked the light that the transmitting terminal 2 of photoelectric switch sends, and this light is cut off and can not be received by the receiving end 3 of photoelectric switch.Described Manual reset stop controller 15 is connected with described photoelectric switch with crossing cable 7, on off mode for detection of described photoelectric switch, when detecting described photoelectric switch and be in off-state, thereby the power supply that automatically cuts off described elevator control loop makes described elevator control loop dead electricity, and building hoist stops operation.Detect obstacle 14(outside the building personnel or other building implement equipment of stretching from building of surface construction when elevator like this) time, can be out of service immediately, avoided the generation of safety misadventure, for the greatly raising of safe in operation guarantee of building hoist.
In order further to guarantee the building hoist safe in operation, described Manual reset stop controller 15 also is used for making described elevator control loop energising by hand reset after building hoist stops to move clearing of obstruction thing 14, and building hoist begins to continue operation.When not having described spatial obstacle thing 14 in the building hoist running space, the emission of light of described photoelectric switch transmitting terminal 2 can normally be injected photoelectric switch receiving end 3, manually controls energising by Manual reset stop controller 15 building hoist is normally moved.Further, described Manual reset stop controller 15 also is used for reporting to the police when described photoelectric switch is in off-state when detecting (various type of alarms such as sound, light and electricity), to remind operating personal.
For the validity that guarantees that photoelectric switch detects, described car 1 bilateral symmetry is equipped with sleeve 5, and described sleeve 5 is installed on the car 1 by otic placode 13, and sleeve 5 is installed on car 1 bottom near the two ends of building 9 one sides.The sliding bar 4 that can slide up and down along sleeve 5 is housed in the described sleeve 5, and the top of described sleeve 5 and bottom are respectively equipped with the guiding plug (11,10) that anti-skidding bar 4 rotates; The transmitting terminal 2 of described photoelectric switch and receiving end 3 symmetries are installed in the bottom of the described sliding bar 4 of car 1 both sides.If sliding bar 4 rotations of car 1 both sides can cause the emission of light of the transmitting terminal 2 of photoelectric switch can not normally inject photoelectric switch receiving end 4 in the elevator operational process, cause detecting and lost efficacy.Adopt this structure can guarantee that the emission of light of the transmitting terminal 2 of photoelectric switch normally injects photoelectric switch receiving end 3 all the time, guarantee to detect validity.In order to guarantee that building hoist stops the control position of layer sliding bar 4 behind ground sliding bar 4 can get back to building hoist and move the time fully in the air, be provided with Compress Spring 12 in the described sleeve 5, described sliding bar 4 passes the hollow bulb of described Compress Spring 12, and described Compress Spring 12 lower ends are fixed on the described sliding bar 4.Described sliding bar 4 is free to slide in described sleeve 5, when building hoist will stop layer to ground, described sliding bar 4 can contact with ground first, when building hoist continues operation downwards, described sliding bar 4 is subjected to ground force effect meeting upward sliding, Compress Spring 12 also gradually reduces, until building hoist stops layer fully to ground, described sliding bar 4 stops to slide (as shown in Figure 5); When the building hoist preparation moved facing up from ground, along with the rising of building hoist, described sliding bar 4 was subjected to gravity and spring-force driven dual meeting down sliding, 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 the upper end guiding plug 11 forms the telescoping mechanism of this this blocking apparatus, Fig. 4 and Fig. 5 be respectively when building hoist normally moves and drop to ground after the scheme drawing of two states, blocking apparatus has telescopic mechanism, to adapt to the different ground buffering height of each camp site building hoist.
Preferably, the transmitting terminal 2 of described photoelectric switch and receiving end 3 all are equipped with protective cover 8.Can protect photoelectric switch like this, in order to avoid the foreign material that dropped in the construction environment damage.In order to guarantee that further photoelectric switch detects validity, all have the hole on the transmitting terminal 2 of described photoelectric switch and the protective cover 8 of receiving end 3, the hole of the light that the transmitting terminal 2 of described photoelectric switch sends on the protective cover 8 of transmitting terminal 2 injected in the hole on the protective cover 8 of receiving end 2 of described photoelectric switch, like this so that the light that sends is more concentrated.Described hole is preferably diameter less than the circular hole of 10mm.
In order to guarantee construction safety, after relatively described sleeve 5 slips of the normal described sliding bar 4 in service of elevator fell, being positioned at the photoelectric switch of described sliding bar 4 bottoms and the vertical distance h of described elevator car 1 bottom surface was 50-60cm (with reference to figure 2).Detect obstacle 14(outside the building personnel or other building implement equipment of stretching from building of surface construction when elevator like this) time, a buffer distance is arranged, if photoelectric switch is excessively near apart from car 1 bottom, when detecting obstacle 14, because inertia car 1 also will move a segment distance, stopping distance namely, the car bottom may be run into obstacle 14 and be caused causing casualties.That the profile of sliding bar described in the present invention 4 and sleeve 5 is is square, rectangle, cylindrical shape or triangle etc., mutual adaptive setting.
Further specify the present invention 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 installs on the described box body, in the described box body relay is housed, be connected with the building hoist power supply after one group of open contact parallel connection of button switch and relay with after the coil of relay, photoelectric switch, rectifier, the voltage transformer series connection, another group open contact of relay is connected respectively the coils from parallel connection of coils of light-emitting diode and relay with the building hoist control loop.For the ease of the operator of the building hoist operation to Manual reset stop controller, described Manual reset stop controller is loaded on the position of convenient operation in the construction elevator cage.Concrete, the Manual reset stop controller principle of work is: the closed formation of relay normally open contact K 1 and K2 self-locking during beginning, button switch SB disconnects, photoelectric switch Q1(is made of jointly transmitting terminal among Fig. 12 and receiving end 3) (often opening) is in the normal state, the coil K energising of relay, this moment, photoelectric switch Q1 was in closure state, continue at coil in the situation of energising, the light emitting diode V in parallel with coil K gets electroluminescence (indicating relay gets electricity condition), the building hoist control loop is also connected, thereby make control path L1 keep channel status, the building hoist control loop keeps path, building hoist normally moves, and wherein the building hoist power supply is converted to the 24V direct supply by voltage transformer T and rectifier U with original power supply, satisfies the voltage requirements of photoelectric switch and relay; When obstacle occurring in the building hoist running space, photoelectric switch Q1 will be in off-state, the coil K dead electricity of relay, the open contact K2 that connects with the building hoist control loop disconnects, the 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, so that the light-emitting diode V dead electricity in parallel with coil K extinguished.After the clearing of obstruction thing, when restarting, press the button switch S B, coil K energising, the closed formation of relay normally open contact K1 and K2 self-locking, button switch SB automatically resets, thus the connection of building hoist control loop makes control path L1 keep channel status, the building hoist control loop keeps path, and building hoist normally moves.
In sum; if there is the spatial obstacle thing in the building hoist running space; the photoelectric switch of photo-electric blocking apparatus is through obstacle; obstacle will stop the photoelectric switch receiving end to receive emission of light; because photoelectric switch is connected with the safety protection device for construction lift control loop by Manual reset stop controller; this moment, the safety protection device for construction lift control loop will dead electricity; building hoist stops operation; after the clearing of obstruction thing; press the Manual reset stop controller button switch, building hoist restarts operation.
The present invention is cut off by the spatial obstacle thing by the photoelectric switch emission of light and realizes induction of signal; photoelectric switch is connected with the safety protection device for construction lift control loop by Manual reset stop controller and is realized the signal conduction, final building hoist dead electricity realization signal control out of service.Above-mentioned induction of signal mode realizes induction and contact separation, and the precision of induction is high, fast response time, practical reliable.The present invention makes amendment to the mechanism of building hoist own hardly, and nearly all building hoist electric system all is applicable to the present invention.The present invention has following advantage:
1. the present invention is simple in structure, 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 contact separation, can respond to the above obstacle of diameter 10mm.
3. the present invention is very strong for weather and camp site comformability, applicable to weather such as strong wind, haze, high light, nights, can resist the impacts such as camp site mortar, sewage, dust; Adopt simultaneously telescopic mechanism, be applicable to the different ground buffering height of each camp site building hoist.
4. the present invention adopts the signal conduction pattern that photoelectric switch is connected with the safety protection device for construction lift control loop by Manual reset stop controller, and this conduction pattern precision is high, fast response time.
5. structural stability of the present invention is good, be installed on simultaneously directly over the building hoist and/or under, 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 manually to control, and has avoided photoelectric switch to break through behind the obstacle that building hoist gets electric continuation operation and obstacle bumps, and its reliable in structure is effective.
The above has been described in detail the specific embodiment of the present invention by reference to the accompanying drawings, but the present invention is not restricted to above-mentioned embodiment, in the spirit and scope situation of the claim that does not break away from the application, those skilled in the art can make various modifications or remodeling.
Claims (10)
1. photo-electric building hoist obstacle blocking apparatus, comprise building hoist power supply and building hoist control loop, it is characterized in that, also comprise being installed in the elevator car bottom near photoelectric switch and the Manual reset stop controller of building one side-lower and/or car top top;
Wherein, described building hoist power supply is used to described building hoist control loop that power supply is provided; When described photoelectric switch detected obstacle, described photoelectric switch was in off-state; Described Manual reset stop controller is connected with described photoelectric switch, on off mode for detection of described photoelectric switch, when detecting described photoelectric switch and be in off-state, thereby the power supply that automatically cuts off described elevator control loop makes described elevator control loop dead electricity, and building hoist stops operation.
2. photo-electric building hoist obstacle blocking apparatus according to claim 1, it is characterized in that, described Manual reset stop controller also is used for making described elevator control loop energising by hand reset after building hoist stops to move the clearing of obstruction thing, and building hoist begins to continue operation.
3. photo-electric building hoist obstacle blocking apparatus according to claim 1 is characterized in that, described Manual reset stop controller also is used for reporting to the police when described photoelectric switch is in off-state when detecting.
4. according to claim 1 to 3 each described photo-electric building hoist obstacle blocking apparatus, it is characterized in that, described car bilateral symmetry is equipped with sleeve, the sliding bar that can slide up and down along sleeve is housed in the described sleeve, and the top of described sleeve and bottom are respectively equipped with the guiding plug that the anti-skidding bar rotates; The transmitting terminal of described photoelectric switch and receiving end symmetry are installed in 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 the described sleeve, described sliding bar passes the hollow bulb of described Compress Spring, and described Compress Spring lower end is fixed on the described sliding bar.
6. photo-electric building hoist obstacle blocking apparatus according to claim 4 is characterized in that the transmitting terminal of described photoelectric switch and receiving end all are equipped with protective cover.
7. photo-electric building hoist obstacle blocking apparatus according to claim 6, it is characterized in that, all have the hole on the transmitting terminal of described photoelectric switch and the protective cover of receiving end, the hole of the light that the transmitting terminal of described photoelectric switch sends on the protective cover of transmitting terminal injected in the hole on the protective cover of receiving end of described photoelectric switch.
8. photo-electric building hoist obstacle blocking apparatus according to claim 7 is characterized in that, described hole is that diameter is less than the circular hole of 10mm.
9. photo-electric building hoist obstacle blocking apparatus according to claim 4, it is characterized in that, after the relatively described sleeve slip of the normal described sliding bar in service of elevator fell, being positioned at the photoelectric switch of described sliding bar bottom and the vertical distance of described elevator car bottom surface was 50-60cm.
10. photo-electric building hoist obstacle blocking apparatus according to claim 4 is characterized in that, that the profile of described sliding bar and sleeve is is square, rectangle, cylindrical shape or triangle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310353626.6A CN103373655B (en) | 2013-08-14 | 2013-08-14 | Photo-electric building hoist obstacle blocking apparatus |
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| CN201310353626.6A CN103373655B (en) | 2013-08-14 | 2013-08-14 | Photo-electric building hoist obstacle blocking apparatus |
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| CN103373655A true CN103373655A (en) | 2013-10-30 |
| CN103373655B CN103373655B (en) | 2015-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395666A (en) * | 2013-08-14 | 2013-11-20 | 成都市第四建筑工程公司 | Space obstacle intercepting device for mechanical building hoist |
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| JPS5249549A (en) * | 1975-10-16 | 1977-04-20 | Hiroshi Ishikawa | Cargo lifting apparatus for a storehouse having plurality of floors |
| US4840248A (en) * | 1987-06-02 | 1989-06-20 | Silverman Edward J | Safety switch light fence |
| 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 |
| 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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2013
- 2013-08-14 CN CN201310353626.6A patent/CN103373655B/en active Active
Patent Citations (7)
| 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 |
| US4840248A (en) * | 1987-06-02 | 1989-06-20 | Silverman Edward J | Safety switch light fence |
| 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 |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395666A (en) * | 2013-08-14 | 2013-11-20 | 成都市第四建筑工程公司 | Space obstacle intercepting device for mechanical building hoist |
| 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 |
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| CN103373655B (en) | 2015-12-09 |
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