CN103670246B - Safety gate - Google Patents

Safety gate Download PDF

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Publication number
CN103670246B
CN103670246B CN201310738331.0A CN201310738331A CN103670246B CN 103670246 B CN103670246 B CN 103670246B CN 201310738331 A CN201310738331 A CN 201310738331A CN 103670246 B CN103670246 B CN 103670246B
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China
Prior art keywords
door
slide rail
way
movable stand
safety gate
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CN201310738331.0A
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CN103670246A (en
Inventor
万云龙
王伟
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Huainan Mining Group Co Ltd
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Huainan Mining Group Co Ltd
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Priority to CN201310738331.0A priority Critical patent/CN103670246B/en
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Abstract

The invention provides a kind of safety gate, wherein, comprise a body, mobile unit and gear unit; Described mobile unit comprises slide rail and movable stand, described slide rail is horizontally disposed with, described movable stand is slidedly arranged on described slide rail, and described door body is fixedly installed on described movable stand, and described gear unit is used for driving described door body and described movable stand to come and go mobile along described slide rail. Safety gate provided by the invention, saves manpower, financial resources and material resources, and efficiency is high, and avoids work high above the ground, safe.

Description

Safety gate
Technical field
The present invention relates to pit gear technology, relate in particular to a kind of safety gate.
Background technology
Existing safety gate is generally cross beam type, and well head top hangs and has crossbeam, the upper end of safety gateBe fixed on crossbeam, drive the lifting of safety gate by the lifting of crossbeam, thereby realize well head safeDoor unlatching or close.
Use the main equipments such as such as large-scale support of Hoisting System transport during at needs, be subject to existing well head safeThe restriction of door Lift, main equipment cannot safety well head, staff need to be by crossbeam andSafety gate is removed, and just can complete the transport of main equipment, and after main equipment transport, workDo personnel and also crossbeam and safety gate will be installed to reset, prior art waste of manpower, financial resources and thingPower, inefficiency, and handling crossbeam and safety gate need to carry out work high above the ground, safety at well headThreaten large.
Summary of the invention
The invention provides a kind of safety gate, to solve existing safety gate in the time transporting main equipment,Waste of manpower, financial resources and material resources, the defect that inefficiency and security threat are large.
The invention provides a kind of safety gate, wherein, comprise a body, mobile unit and gear unit;
Described mobile unit comprises slide rail and movable stand, and described slide rail is horizontally disposed with, and described movable stand cunning is establishedOn described slide rail, described door body is fixedly installed on described movable stand, and described gear unit is for drivingDescribed door body and described movable stand come and go mobile along described slide rail.
Safety gate as above, wherein, preferably, described gear unit comprise power unit,Driving gear, driven gear and driving chain;
Described driving gear and described driven gear are established along described slide rail length direction interval by support respectivelyPut above described slide rail, described driving chain connects with described driving gear and described driven gear simultaneouslyConnect, described driving chain is also fixedly connected with described door body by connector, and described power unit is by drivingMoving described driving gear rotates, and drives described door body and described movable stand along institute by described driving chainStating slide rail comes and goes mobile.
Safety gate as above, wherein, preferably, described power unit comprises 3-position 4-wayReversal valve and two-way hydraulic motor;
The oil-in of described three position four-way directional control valve is connected with hydraulic pump, described three position four-way directional control valve returnHydraulic fluid port is communicated with fuel tank, the first actuator port of described three position four-way directional control valve and described two-way hydraulic motorOil-in be communicated with, the second actuator port of described three position four-way directional control valve and described two-way hydraulic motorOil return opening is communicated with, and the power output shaft of described two-way hydraulic motor is connected with described driving gear.
Safety gate as above, wherein, preferably, second of described three position four-way directional control valveBeing communicated with between actuator port and the oil return opening of described two-way hydraulic motor is also connected to adjustable throttle on oil circuitValve.
Safety gate as above, wherein, preferably, first of described three position four-way directional control valveBeing communicated with between actuator port and the oil-in of described two-way hydraulic motor is also connected to the first hydraulic control list on oil circuitTo valve, between the second actuator port of described three position four-way directional control valve and described adjustable throttling, be communicated with oilOn road, be also connected to the second hydraulic control one-way valve, described the first hydraulic control one-way valve and described the second hydraulic control one-way valve structureBecome hydraulic lock.
Safety gate as above, wherein, preferably, described safety gate also comprises and opening the doorSensor, magnet and pass door sensor;
Described in described open door sensor and described pass door sensor are disposed on along described slide rail length directionThe end face of slide rail, described magnet is arranged on the end face of described movable stand and is positioned at described open door sensor and instituteState and close between door sensor;
Described open door sensor is used for responding to described magnet, and sends the signal that puts in place that opens the door, described in controllingDescribed in Men Tihe, movable stand stops mobile;
Described pass door sensor is used for responding to described magnet, and sends door-closing in-place signal, described in controllingDescribed in Men Tihe, movable stand stops mobile.
Safety gate as above, wherein, preferably, described safety gate also comprises and opening the doorLimited block and the limited block of closing the door;
Described door open limit piece and described in close the door described in limited block is disposed on along described slide rail length directionThe end face of slide rail, described door open limit piece and described in close the door limited block for limit described door body and described in moveMoving frame comes and goes mobile distance along described slide rail.
Safety gate as above, wherein, preferably, described slide rail is two that be arranged in parallelChannel-section steel, the notch of described two channel-section steels is oppositely arranged, and described movable stand and described two channel-section steels are all by slidingWheel slides and arranges, and described pulley is arranged in the notch of described channel-section steel.
Safety gate provided by the invention, because safety gate along continuous straight runs is opened or closes, andWell head top does not have the device of the maximum height limits such as crossbeam, uses for example large-scale of Hoisting System transport at needsWhen the main equipments such as frame, only need be along horizontally disposed slide rail by the door body sliding opening of safety gate, justCan realize main equipment safety well head, save manpower, financial resources and material resources, efficiency is high, and avoids highIdle job, safe.
Brief description of the drawings
The structural representation of the safety gate that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of the safety gate medium power unit that Fig. 2 provides for the embodiment of the present invention.
Reference numeral:
100-door body; 200-mobile unit; 210-slide rail;
220-movable stand; 230-pulley; 300-gear unit;
310-driving gear; 320-driven gear; 330-driving chain;
340-support; 350-power unit; 360-connector;
351-three position four-way directional control valve; 352-two-way hydraulic motor; 353-adjustable throttling;
354-the first hydraulic control one-way valve; 355-the second hydraulic control one-way valve; 410-open door sensor;
420-magnet; 430-closes door sensor; 440-door open limit piece;
The 450-limited block of closing the door.
Detailed description of the invention
The structural representation of the safety gate that Fig. 1 provides for the embodiment of the present invention. As shown in Figure 1, originallyInvention provides a kind of safety gate, wherein, comprises a body 100, mobile unit 200 and gear unit300; Mobile unit 200 comprises slide rail 210 and movable stand 220, and slide rail 210 is horizontally disposed with, movable stand220 are slidedly arranged on slide rail 210, and door body 100 is fixedly installed on movable stand 220, gear unit 300Come and go mobile for driving gate body 100 and movable stand 220 along slide rail 210.
Safety gate provided by the invention, because safety gate along continuous straight runs is opened or closes, andWell head top does not have the device of the maximum height limits such as crossbeam, uses for example large-scale of Hoisting System transport at needsWhen the main equipments such as frame, only need be along horizontally disposed slide rail by the door body sliding opening of safety gate, justCan realize main equipment safety well head, save manpower, financial resources and material resources, efficiency is high, and avoids highIdle job, safe.
On the basis of above-described embodiment technical scheme, preferably, gear unit 300 comprises power listUnit 350, driving gear 310, driven gear 320 and driving chain 330; Driving gear 310 and drivenGear 320 is disposed on respectively the top of slide rail 210 along slide rail 210 length directions by support 340,Driving chain 330 is connected with driving gear 310 and driven gear 320 simultaneously, and driving chain 330 is also logicalCross connector 360 and be fixedly connected with door body 100, connector 360 can have various ways, the company of being preferablyBar, one end of connecting rod is fixedly connected with door body 100, and the other end of connecting rod and driving chain 330 are even fixingBe connected to driving chain 330 310 and driven gear 320 between position, power unit 350 passes throughDrive driving gear 310 to rotate, and by driving chain 330 driving gate bodies 100 and movable stand 220 edgesSlide rail 210 comes and goes mobile, and power unit 350 can have the numerous embodiments of output torque, for example canThink electric system, hydraulic system etc.
The schematic diagram of the safety gate medium power unit that Fig. 2 provides for the embodiment of the present invention, as Fig. 2 instituteShow, on the basis of above-described embodiment technical scheme, preferably, power unit 350 comprises three fourLogical reversal valve 351 and two-way hydraulic motor 352; The oil-in of three position four-way directional control valve 351 and hydraulic pumpConnect, the oil return opening of three position four-way directional control valve 351 is communicated with fuel tank, and hydraulic pump and fuel tank are not shown,The first actuator port of three position four-way directional control valve 351 is communicated with the oil-in of two-way hydraulic motor 352, and threeThe second actuator port of position and four-way reversing valve 351 is communicated with the oil return opening of two-way hydraulic motor 352, two-wayThe power output shaft of hydraulic motor 352 is connected with driving gear 310. Three position four-way directional control valve 351 canFor 3-position 4-way solenoid directional control valve, 3-position 4-way pilot operated directional control valve, 3-position 4-way hand-operated direction valve etc., logicalCross three position four-way directional control valve 351 and commutate to left working position or right working position from meta, change hydraulic oilFlow to, control the rotation direction of the power output shaft of two-way hydraulic motor 352, and then control gate body 100Movement in opening direction or closing direction, power unit 350 adopts and comprises three position four-way directional control valve 351With the hydraulic system of two-way hydraulic motor 352, Maintenance and Repair are convenient, and reliability is high, and fault is few, dimensionThe amount of repairing is little.
On the basis of above-described embodiment technical scheme, preferably, of three position four-way directional control valve 351Being communicated with between the oil return opening of two actuator ports and two-way hydraulic motor 352 is also connected to adjustable throttle on oil circuitValve 353. Can regulate two-way hydraulic motor 352 by adjustable throttling 353 regulator solution force feed flow velocitysThe rotating speed of power output shaft, and then regulate unlatching or the closing velocity of safety gate is simple and be convenient toOperation.
On the basis of above-described embodiment technical scheme, preferably, of three position four-way directional control valve 351Being communicated with between the oil-in of one actuator port and two-way hydraulic motor 352 is also connected to the first hydraulic control on oil circuitCheck valve 354, between the second actuator port of three position four-way directional control valve 351 and adjustable throttling 353Be communicated with on oil circuit and be also connected to the second hydraulic control one-way valve 355, the first hydraulic control one-way valves 354 and the second hydraulic control listForm hydraulic lock to valve 355. Door body 100 in open or closing motion, three position four-way directional control valve 351In the time of left working position or right working position, hydraulic lock can ensure the flow direction of hydraulic oil, and then guarantees two-wayThe rotation direction of the power output shaft of hydraulic motor 352; Arrive and open or closed position at door body 100,Stop opening or closing motion, three position four-way directional control valve 351 is in the time of meta, and hydraulic lock can also be guaranteedIt is motionless that two-way hydraulic motor 352 still can keep under the state of load, and then ensure that door body 100 rests onThe reliability of enable possition or closed position.
On the basis of above-described embodiment technical scheme, preferably, safety gate also comprises the biography of opening the doorSensor 410, magnet 420 and pass door sensor 430; Open door sensor 410 and door sensor 430 edges, passSlide rail 210 length directions are disposed on the end face of slide rail 210, and magnet 420 is arranged on movable stand 220End face and at open door sensor 410 with close between door sensor 430; Open door sensor 410 forInduced magnet 420, and send the signal that puts in place that opens the door, stop moving with control gate body 100 and movable stand 220Moving; Close door sensor 430 for induced magnet 420, and send door-closing in-place signal, with control gate body100 and movable stand 220 stop mobile.
Signal and the door-closing in-place of putting in place that open the door sending by open door sensor 410 and pass door sensor 430Signal, controller can arrive behind unlatching or closed position at door body 100, controls gear unit 300 and stopsOnly work, to make a body 100 can rest on accurately enable possition or closed position. With transmission listUnit 300 is the hydraulic system that comprises three position four-way directional control valve 351 and two-way hydraulic motor 352, and threeFour-way change-over valve 351, for 3-position 4-way solenoid directional control valve is example, sends and opens the door at open door sensor 410Position signal and pass door sensor 430 send after door-closing in-place signal, and controller can be controlled 3-position 4-wayThe left side magnetic valve power-off of reversal valve 351 is to make three position four-way directional control valve 351 commutate to from left working positionMeta, or the right side magnetic valve power-off of three position four-way directional control valve 351 is to make three position four-way directional control valve 351Commutate to meta from right working position, the power output shaft of two-way hydraulic motor 352 stops operating.
Moreover, utilizing signal and the door-closing in-place signal of putting in place that open the door, controller can also close with four, well headLocking device UNICOM, while guaranteeing that a body 100 arrives enable possition or do not arrive closed position, Hoisting SystemCan not send starting signal, while only having a body 100 to arrive closed position, Hoisting System just can be sent drivingSignal, and arrive tank position and send after stop sign at cage, controller could be controlled gear unit 300Work, and then control gate body 100 opens, to improve security. In addition, the instruction of opening the door can also be setLamp and the indicator lamp of closing the door, open door sensor 410 sends to open the door and puts in place after signal, and controller control is lighted outDoor indicator lamp, closes door sensor 430 and sends after door-closing in-place signal, and the instruction of closing the door is lighted in controller controlLamp, for pointing out unlatching or the closed condition of staff's safety gate, further to improve security.
On the basis of above-described embodiment technical scheme, preferably, safety gate also comprises the limit of opening the doorPosition piece 440 and the limited block 450 of closing the door; Door open limit piece 440 and close the door limited block 450 along slide rail 210Length direction is disposed on the end face of slide rail 210, door open limit piece 440 and limited block 450 use of closing the doorCome and go mobile distance in limiting door body 100 and movable stand 220 along slide rail 210. At gear unit 300Can not normally quit work, when movable stand 220 and door body 100 can not normally stop moving, by opening the doorIt is mobile that limited block 440 and the limited block 450 of closing the door stop movable stand 220 to continue, limiting door body 100 and movingMoving frame 220 comes and goes mobile distance along slide rail 210, prevents that movable stand 220 and door body 100 from skidding off slide rail210。
On the basis of above-described embodiment technical scheme, preferably, slide rail 210 for be arranged in parallel twoRoot channel-section steel, the notch of two channel-section steels is oppositely arranged, and movable stand 220 and two channel-section steels are all by pulley 230Slide and arrange, pulley 230 is arranged in the notch of channel-section steel. For making movable stand 220 on the slide rail 210Slide more steady, the multiple pulleys 230 of space set between movable stand 220 and every channel-section steel.
Finally it should be noted that: above each embodiment is only in order to technical scheme of the present invention to be described, but not rightIts restriction; Although the present invention is had been described in detail with reference to aforementioned each embodiment, this area commonTechnical staff is to be understood that: its technical scheme that still can record aforementioned each embodiment is repaiiedChange, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replaceChange, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (7)

1. a safety gate, is characterized in that, comprises a body, mobile unit and gear unit;
Described mobile unit comprises slide rail and movable stand, and described slide rail is horizontally disposed with, and described movable stand cunning is establishedOn described slide rail, described door body is fixedly installed on described movable stand, and described gear unit is for drivingDescribed door body and described movable stand come and go mobile along described slide rail;
Described safety gate also comprises controller, and described controller is for arriving and open or cut out at door bodyBehind position, control gear unit quit work, with make a body can rest on accurately enable possition orClosed position; And while making described door body arrive enable possition or not arrive closed position, Hoisting SystemDo not send starting signal, and described door body is while arriving closed position, Hoisting System is sent starting signal;
Described safety gate also comprises open door sensor, magnet and pass door sensor;
Described in described open door sensor and described pass door sensor are disposed on along described slide rail length directionThe end face of slide rail, described magnet is arranged on the end face of described movable stand and is positioned at described open door sensor and instituteState and close between door sensor; Described open door sensor is used for responding to described magnet, and sends the letter that puts in place that opens the doorNumber, stop mobile to control described door body and described movable stand; Described in described pass door sensor is used for responding toMagnet, and send door-closing in-place signal, stop mobile to control described door body and described movable stand;
Described safety gate also comprises opening indicating lamp and the indicator lamp of closing the door, and described open door sensor sendsOpen the door and put in place after signal, opening indicating lamp is lighted in described controller control, and described pass door sensor sends and closesDoor puts in place after signal, and the indicator lamp of closing the door is lighted in described controller control.
2. safety gate according to claim 1, is characterized in that, described gear unit comprisesPower unit, driving gear, driven gear and driving chain;
Described driving gear and described driven gear are established along described slide rail length direction interval by support respectivelyPut above described slide rail, described driving chain connects with described driving gear and described driven gear simultaneouslyConnect, described driving chain is also fixedly connected with described door body by connector, and described power unit is by drivingMoving described driving gear rotates, and drives described door body and described movable stand along institute by described driving chainStating slide rail comes and goes mobile.
3. safety gate according to claim 2, is characterized in that, described power unit comprisesThree position four-way directional control valve and two-way hydraulic motor;
The oil-in of described three position four-way directional control valve is connected with hydraulic pump, described three position four-way directional control valve returnHydraulic fluid port is communicated with fuel tank, the first actuator port of described three position four-way directional control valve and described two-way hydraulic motorOil-in be communicated with, the second actuator port of described three position four-way directional control valve and described two-way hydraulic motorOil return opening is communicated with, and the power output shaft of described two-way hydraulic motor is connected with described driving gear.
4. safety gate according to claim 3, is characterized in that, described 3-position 4-way commutationBeing communicated with between the second actuator port of valve and the oil return opening of described two-way hydraulic motor is also connected on oil circuit canFlow regulating valve.
5. safety gate according to claim 4, is characterized in that, described 3-position 4-way commutationBeing communicated with on oil circuit between the first actuator port of valve and the oil-in of described two-way hydraulic motor is also connected toOne hydraulic control one-way valve, between second actuator port and described adjustable throttling of described three position four-way directional control valveConnection oil circuit on be also connected to the second hydraulic control one-way valve, described the first hydraulic control one-way valve and described the second hydraulic controlCheck valve forms hydraulic lock.
6. according to the arbitrary described safety gate of claim 1-5, it is characterized in that described well head peaceAir cock also comprises door open limit piece and the limited block of closing the door;
Described door open limit piece and described in close the door described in limited block is disposed on along described slide rail length directionThe end face of slide rail, described door open limit piece and described in close the door limited block for limit described door body and described in moveMoving frame comes and goes mobile distance along described slide rail.
7. according to the arbitrary described safety gate of claim 1-5, it is characterized in that, described slide rail isTwo channel-section steels that be arranged in parallel, the notch of described two channel-section steels is oppositely arranged, described movable stand and described twoRoot channel-section steel is all by the pulley setting of sliding, and described pulley is arranged in the notch of described channel-section steel.
CN201310738331.0A 2013-12-27 2013-12-27 Safety gate Active CN103670246B (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
CN104960871A (en) * 2015-06-30 2015-10-07 淮南矿业(集团)有限责任公司 Overhauling platform and system
CN112607566A (en) * 2021-01-12 2021-04-06 天长市市政建筑有限责任公司 Elevator well head protector for building site

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2161731Y (en) * 1993-04-08 1994-04-13 范强 Telecontrol fully automatic magnetic power operating safety door for mine pithead
CN2408093Y (en) * 1999-12-20 2000-11-29 邹城市中煤精工科技开发有限责任公司 Safety door
DE20012525U1 (en) * 2000-07-20 2001-12-06 Doda Prince Joycen Building interior wall with sliding door
CN2507977Y (en) * 2001-09-30 2002-08-28 海盐元群建材有限公司 Electric door
CN2688579Y (en) * 2004-04-22 2005-03-30 中国重型汽车集团有限公司 Hydraulic dynamic steering apparatus
CN1736783A (en) * 2004-08-18 2006-02-22 纳博特斯克株式会社 Platform door device and its arrangement method
CN200992919Y (en) * 2006-12-06 2007-12-19 林会明 Pulley-type rapid public transport platform door
CN201679512U (en) * 2010-04-30 2010-12-22 中国矿业大学 Split type electric control pneumatic anti-clamping air door
CN201778626U (en) * 2010-07-14 2011-03-30 中煤第五建设有限公司 Electric automatic wellhead anti-running safety door
CN201808984U (en) * 2010-06-25 2011-04-27 厦门市同耀电器实业有限公司 Magnetic induction type stroke limiting device of rack type lifting machine
CN203655101U (en) * 2013-12-27 2014-06-18 淮南矿业(集团)有限责任公司 Well head safety door

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2161731Y (en) * 1993-04-08 1994-04-13 范强 Telecontrol fully automatic magnetic power operating safety door for mine pithead
CN2408093Y (en) * 1999-12-20 2000-11-29 邹城市中煤精工科技开发有限责任公司 Safety door
DE20012525U1 (en) * 2000-07-20 2001-12-06 Doda Prince Joycen Building interior wall with sliding door
CN2507977Y (en) * 2001-09-30 2002-08-28 海盐元群建材有限公司 Electric door
CN2688579Y (en) * 2004-04-22 2005-03-30 中国重型汽车集团有限公司 Hydraulic dynamic steering apparatus
CN1736783A (en) * 2004-08-18 2006-02-22 纳博特斯克株式会社 Platform door device and its arrangement method
CN200992919Y (en) * 2006-12-06 2007-12-19 林会明 Pulley-type rapid public transport platform door
CN201679512U (en) * 2010-04-30 2010-12-22 中国矿业大学 Split type electric control pneumatic anti-clamping air door
CN201808984U (en) * 2010-06-25 2011-04-27 厦门市同耀电器实业有限公司 Magnetic induction type stroke limiting device of rack type lifting machine
CN201778626U (en) * 2010-07-14 2011-03-30 中煤第五建设有限公司 Electric automatic wellhead anti-running safety door
CN203655101U (en) * 2013-12-27 2014-06-18 淮南矿业(集团)有限责任公司 Well head safety door

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