CN106348122A - Safety protection device to prevent accidental movement of elevators - Google Patents

Safety protection device to prevent accidental movement of elevators Download PDF

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Publication number
CN106348122A
CN106348122A CN201611013797.4A CN201611013797A CN106348122A CN 106348122 A CN106348122 A CN 106348122A CN 201611013797 A CN201611013797 A CN 201611013797A CN 106348122 A CN106348122 A CN 106348122A
Authority
CN
China
Prior art keywords
seat
swing
rope
swing seat
accidental movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611013797.4A
Other languages
Chinese (zh)
Inventor
吴海棠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanhai District Of Foshan City Yongtong Force Elevator Fittings Factory (general Partner)
Original Assignee
Nanhai District Of Foshan City Yongtong Force Elevator Fittings Factory (general Partner)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanhai District Of Foshan City Yongtong Force Elevator Fittings Factory (general Partner) filed Critical Nanhai District Of Foshan City Yongtong Force Elevator Fittings Factory (general Partner)
Priority to CN201611013797.4A priority Critical patent/CN106348122A/en
Publication of CN106348122A publication Critical patent/CN106348122A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044Mechanical overspeed governors
    • B66B5/046Mechanical overspeed governors of the pendulum or rocker arm type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/185Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Control (AREA)

Abstract

The invention discloses a safety protection device to prevent accidental movement of elevators which includes a speed limiter. A swing seat is arranged on the device. The swing seat is rotationally installed on a rope pulley principal axle of the speed limiter. A rotating seat which is fixed at the same axis with the rope pulley is arranged on the device. An electrical interlocking device that makes swing seat be locked on the rotating seat is installed between the swing seat and the rotating seat. The swing end of the swing seat is connected with the dragline of an elevator rope gripper. The invention of safety protection device is used to prevent elevators moving accidentally when elevators end up and down run. When the elevators end run, the power-losing action of the electrical interlocking device of safety protection device makes the swing seat be locked on the rotating seat. If up or down accidental movement happens to the elevators, the speed limiter rope can impel the rope pulley to rotate. The rope pulley drives the rotating seat rotate. The rotating seat makes the swing seat swing. After the swing seat swings to the set angle, the swing seat can pull dragline of the rope gripper which corresponds to the elevator running direction which can make the rope gripper action clamp the elevator hoist rope so that a lift car of accidental movement can be stopped.

Description

The safety guard of elevator accidental movement
Technical field
The present invention relates to elevator safety field of components, specifically related to one kind can be monitored elevator accidental movement and be carried out safe guarantor The device of shield action.
Background technology
At present, the safety device of elevator mainly has the safety such as traction machine brake, limiter of speed, safety tongs, rope brake Protection device.But, although being mounted with numerous safety guards, the driving host that car is relied on or drive control Any single part inefficacy and the traction condition destruction of system leads to steel wire rope, and sliding causes car to leave stop on the traction sheave Accidental movement, still can cause elevator shear causing death's serious accident generation, seriously threaten the public person Safety.Therefore, it is necessary to a kind of safe and reliable detecting elevator accidental movement and carry out the device of safeguard protection action of research and development.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of safe and reliable detection elevator accidental movement and carry out safety The device of protection.
By solving a kind of technical scheme that above-mentioned technical problem is adopted: safety guard of elevator accidental movement, bag Include speed limiter it is characterised in that: set a swing seat, swing seat is rotatably mounted on the rope sheave main shaft of limiter of speed, if one with The co-axially fixed rotation seat of rope sheave, is provided between swing seat and rotation seat that swing seat can be made to be locked in is electric on rotation seat Locking device, the swinging end of swing seat is connected with the drag-line of elevator rope gripper.
On the basis of the above, described electric interlocking installation be one be arranged in swing seat against rotation seat stretch telescopic Electric magnet, rotation seat opens up the jack that the expansion link of the held extension electromagnetic ferrum of some circumferentially-spaced layings is planted.
On the basis of the above, described jack is set as holding the expansion link swing certain angle of plant.
On the basis of the above, described swing seat is located at the outside of the mounting seat of limiter of speed, and mounting seat offers accommodating stretching The expansion link of contracting formula electric magnet passes through the slotted eye of rope-winding wheel spindle swing certain angle.
On the basis of the above, the both sides of described swing seat are separately installed with retaining spring.
The beneficial effect brought using the present invention: when safety guard of the present invention is used for elevator stopping lifting operation, Prevent elevator accidental movement.When elevator is out of service, the electric interlocking installation dead electricity action of safety guard, make swing seat It is locked on rotation seat.If elevator occurs upstream or downstream accidental movement, governor rope can order about rope sheave and rotate, and rope sheave drives Rotation seat rotates, and after rotation seat drives swing seat to swing the angle setting, swing seat can pull the corresponding folder of elevator traffic direction The drag-line of rope device, makes rope brake action gripping elevator hoist ropes, thus the car of stop accidental movement.Safeguard protection dress of the present invention Put and have the advantages that structure is simple, safe and reliable.
Brief description
Fig. 1 is the front view of safety guard of the present invention;
Fig. 2 is the structural representation of safety guard of the present invention.
Specific embodiment
As shown in Figure 1, 2, a kind of safety guard of elevator accidental movement, including speed limiter 1, in the present invention, If a swing seat 2, on the rope sheave main shaft 3 that swing seat 2 is limited to be rotatably mounted in the range of certain angle limiter of speed 1, if one with The co-axially fixed rotation seat 5 of rope sheave 4, is provided between swing seat 2 and rotation seat 5 and swing seat 2 can be made to be locked on rotation seat 5 Electric interlocking installation, the swinging end of swing seat 2 is connected with the drag-line (common part, in figure does not indicate) of elevator rope gripper.Electrically Interlock is used to control the linkage whether actuator of swing seat 2 and rotation seat 5.Generally, the accident of monitoring elevator is moved Dynamic is to run to floor in elevator, in the state of elevator door is opened, the sedan-chair of the therefore electric control circuit of electric interlocking installation and elevator Door checking switch series connection.When gate is opened, swing seat 2 is locked on rotation seat 5 for electric interlocking installation action, if now elevator There is upstream or downstream accidental movement, governor rope can order about rope sheave 4 and rotate, rope sheave 4 drives rotation seat 5 to rotate, and rotation seat 5 carries Dynamic swing seat 2 swings, and swing seat 2 can pull the drag-line of the corresponding rope brake of elevator traffic direction, makes rope brake action clamp electricity Terraced hoist ropes, thus the car of stop accidental movement.When elevator normally lifts, gate is closed, electric interlocking installation counteragent, Release the locking to swing seat 2, swing seat 2 is not linked with rotation seat 5, and rotation seat 5 is followed rope sheave 4 and rotated, and swing seat 2 is motionless Make, do not trigger rope brake action it is ensured that the normal lifting of elevator operates.
Specifically, described electric interlocking installation be one be arranged in swing seat 2 against rotation seat 5 stretch extension electromagnetic Ferrum 6, rotation seat 5 opens up the jack 5.1 that the expansion link of the held extension electromagnetic ferrum 6 of some circumferentially-spaced layings is planted.Sedan-chair When door is opened, extension electromagnetic ferrum 6 dead electricity action, expansion link stretches out, the jack 5.1 of insertion rotation seat 5, and swing seat 2 is locked On rotation seat 5, safety guard of the present invention enters the safeguard protection state of monitoring elevator accidental movement.After gate is shut, Elevator lifting operates, extension electromagnetic ferrum 6 energising action, and expansion link is retracted, and releases locking to swing seat 2, swing seat 2 not with Rotation seat 5 links, limiter of speed normal operation working condition.
The misoperation occurring for preventing car from leading in a small range play allowing, described jack 5.1 is set as holding The expansion link planted swings certain angle, is also that jack 5.1 is set as a bit of arc-shaped slot, to allow extension electromagnetic ferrum Expansion link moves freely in jack 5.1, and the setting of this angle should be corresponding with the distance defining car accidental movement.Work as the present invention When safety guard enters the safeguard protection state of monitoring elevator accidental movement, if car is simply in a small range allowing Play, rather than accidental movement, now rotation seat 5 can opposing oscillatory seat 2 rotation in the angle setting permission.When elevator is anticipated When outer mobile, rotation seat 5 once rotates more than the angle of setting, and rotation seat 5 will drive swing seat 2 to swing, and triggers rope brake Action, the car of stop accidental movement.
Design for making safety guard of the present invention is more reasonable, and performance is more excellent, swing seat 2 can be located at limit The outside of the mounting seat 7 of fast device, the expansion link that mounting seat 7 offers accommodating extension electromagnetic ferrum 6 is put through rope-winding wheel main shaft 3 The slotted eye 7.1 of dynamic certain angle.
Further, the both sides of described swing seat 2 are separately installed with retaining spring 8.Specifically, can be in the both sides of swing seat Connect a pull bar 9 respectively, two pull bars 9 hold swing seat 2 in both sides respectively, the spring 8 of both sides is responsible for respective pull bar 9 and is kept drawing Live the trend of swing seat 2, treat a state to keep swing seat 2 to be in.
Safety guard of the present invention is not limited by electrical network and other conditions it is not necessary to have any changing to elevator controlling electricity cabinet Dynamic, be truly realized the accidental movement that whatsoever reason causes, can accurate measurements trigger brake device for elevator in real time, make meaning The rapid stop of car of outer movement.

Claims (5)

1. a kind of safety guard of elevator accidental movement, including speed limiter it is characterised in that: set a swing seat, swing Seat is rotatably mounted on the rope sheave main shaft of limiter of speed, if one with the co-axially fixed rotation seat of rope sheave, swing seat and rotation seat it Between be provided with swing seat can be made to be locked in the electric interlocking installation on rotation seat, the swinging end of swing seat is drawn with elevator rope gripper Rope connects.
2. elevator accidental movement according to claim 1 safety guard it is characterised in that: described electric interlock dress It is set to one and the extension electromagnetic ferrum stretch against rotation seat is arranged on swing seat, rotation seat opens up some circumferentially-spaced layings Held extension electromagnetic ferrum expansion link plant jack.
3. elevator accidental movement according to claim 2 safety guard it is characterised in that: described jack is set as can Hold the expansion link planted and swing certain angle.
4. elevator accidental movement according to claim 1 safety guard it is characterised in that: described swing seat is located at The outside of the mounting seat of limiter of speed, the expansion link that mounting seat offers accommodating extension electromagnetic ferrum passes through rope-winding wheel spindle swing The slotted eye of certain angle.
5. the safety guard according to the arbitrary described elevator accidental movement of claim 1-4 it is characterised in that: described swing The both sides of seat are separately installed with retaining spring.
CN201611013797.4A 2016-11-17 2016-11-17 Safety protection device to prevent accidental movement of elevators Pending CN106348122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611013797.4A CN106348122A (en) 2016-11-17 2016-11-17 Safety protection device to prevent accidental movement of elevators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611013797.4A CN106348122A (en) 2016-11-17 2016-11-17 Safety protection device to prevent accidental movement of elevators

Publications (1)

Publication Number Publication Date
CN106348122A true CN106348122A (en) 2017-01-25

Family

ID=57863225

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611013797.4A Pending CN106348122A (en) 2016-11-17 2016-11-17 Safety protection device to prevent accidental movement of elevators

Country Status (1)

Country Link
CN (1) CN106348122A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275531A (en) * 2017-03-27 2018-07-13 佛山市欧汇电梯配件有限公司 Machine room bidirectional speed limiter
CN112265888A (en) * 2020-09-10 2021-01-26 渠广波 Rope brake suitable for pulley

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003118948A (en) * 2001-10-11 2003-04-23 Toshiba Elevator Co Ltd Rope gripping mechanism for elevator speed governor
CN103738808A (en) * 2014-01-09 2014-04-23 上海乐天电梯部件有限公司 Speed governor for triggering elevator safety actuating mechanism or device
CN104401836A (en) * 2014-12-12 2015-03-11 上海乐天电梯部件有限公司 Speed limiter for triggering elevator safe execution mechanism or device
CN205061234U (en) * 2015-10-21 2016-03-02 刘德民 Two -way overspeed governor with unexpected function that removes of monitoring elevator car
CN105712150A (en) * 2016-04-18 2016-06-29 廊坊市久联机械有限公司 Speed-governor of elevator
CN105752790A (en) * 2016-03-24 2016-07-13 廊坊市久联机械有限公司 Elevator speed limiter
CN206203618U (en) * 2016-11-17 2017-05-31 佛山市南海区永通力电梯配件厂(普通合伙) The safety guard of elevator accidental movement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003118948A (en) * 2001-10-11 2003-04-23 Toshiba Elevator Co Ltd Rope gripping mechanism for elevator speed governor
CN103738808A (en) * 2014-01-09 2014-04-23 上海乐天电梯部件有限公司 Speed governor for triggering elevator safety actuating mechanism or device
CN104401836A (en) * 2014-12-12 2015-03-11 上海乐天电梯部件有限公司 Speed limiter for triggering elevator safe execution mechanism or device
CN205061234U (en) * 2015-10-21 2016-03-02 刘德民 Two -way overspeed governor with unexpected function that removes of monitoring elevator car
CN105752790A (en) * 2016-03-24 2016-07-13 廊坊市久联机械有限公司 Elevator speed limiter
CN105712150A (en) * 2016-04-18 2016-06-29 廊坊市久联机械有限公司 Speed-governor of elevator
CN206203618U (en) * 2016-11-17 2017-05-31 佛山市南海区永通力电梯配件厂(普通合伙) The safety guard of elevator accidental movement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275531A (en) * 2017-03-27 2018-07-13 佛山市欧汇电梯配件有限公司 Machine room bidirectional speed limiter
CN112265888A (en) * 2020-09-10 2021-01-26 渠广波 Rope brake suitable for pulley
CN112265888B (en) * 2020-09-10 2022-05-13 淮北智行信息科技有限公司 Rope brake suitable for pulley

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PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170125