CN103407855A - Elevator speed governor - Google Patents
Elevator speed governor Download PDFInfo
- Publication number
- CN103407855A CN103407855A CN2013103904713A CN201310390471A CN103407855A CN 103407855 A CN103407855 A CN 103407855A CN 2013103904713 A CN2013103904713 A CN 2013103904713A CN 201310390471 A CN201310390471 A CN 201310390471A CN 103407855 A CN103407855 A CN 103407855A
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- ratchet
- rope
- elevator
- switch
- brake cable
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Abstract
The invention relates to an elevator speed governor which is matched with a mechanical rope gripper for use; the elevator speed governor comprises a stand, a rope wheel rotatablely connected with the stand, a steel wire rope wound on the rope wheel, a two-way action protecting mechanism and a safety switch system. Compared with the existing speed governor, the elevator speed governor has the advantages of being simple in structure, reliable, low in cost and convenient to assemble; the elevator speed governor utilizes a ratchet wheel and a pawl to drive a brake cable in charge of ascending or a rope clamp component in charge of descending to lock, so that the aim of two-way overspeed protection can be achieved; furthermore, a switch beat plate can rotate positively or reversely along with the ratchet wheel, and a safety switch is turned on, so that the aim of stopping a mainframe of an elevator in a bidirectional way can be achieved, and the elevator running safety is greatly improved.
Description
Technical field
The present invention relates to the elevator field, particularly a kind of elevator governor.
Background technology
Velocity limiter is parts of elevator overspeed protecting device, and it forms the elevator overspeed safety system together with safety tongs or wire holder.When ascending for elevator or downstream rate surpass the value of regulation, generally be set as more than 115% of command speed, velocity limiter will move, and then handles wire holder or safety tongs, so that deceleration of elevator the stop of hypervelocity.The velocity limiter that at present elevator is commonly used centrifugal hammer type arranged with oscillating rod type, its principle is all to utilize weight or pendulum to produce displacement under the effect of centnifugal force, and then trigger action mechanism, the velocity limiter wheel is stopped operating, then manoeuvring safety pincers or wire holder action, reach the purpose that makes the deceleration of elevator stop.The bidirectional speed limiter complex structure, the manufacturing cost that occur at present are high.
Summary of the invention
The elevator governor that the purpose of this invention is to provide the protection of a kind of energy bidirectional-movement.
For achieving the above object, the technical solution used in the present invention is: a kind of elevator governor, and itself and wire holder are used in conjunction with, and it comprises frame, is rotationally connected with the steel rope on rope sheave, winding and the described rope sheave on described frame, and it also comprises:
The bidirectional-movement protection mechanism, it comprises axis and rope sheave conllinear and is rotationally connected with the ratchet on described frame, be rotationally connected with on described rope sheave and can drive the ratchet of described ratchet Double-directional rotary, be rotationally connected with centrifugal hammer and trip(ping) bar on described rope sheave, one end offer the waist-shaped hole of arc and the folder rope assembly be connected with ratchet pin on ratchet by this waist-shaped hole and be connected to described ratchet pin and described wire holder between brake cable, on the sidewall of described frame, be fixed be used to supporting the brake cable support of brake cable, between described brake cable support and ratchet pin, be connected with fixedly extension spring of ratchet, described folder rope assembly comprises that an end offers the head rod of waist-shaped hole, with the other end of described head rod practice mutually connect and with the second pipe link of described head rod conllinear, be sheathed on the stage clip on described the second pipe link, the 3rd pipe link that one end is set on described the second pipe link and the other end and frame rotate and be connected, described the 3rd pipe link is located between the end face of the other end of stage clip and head rod, and its middle part is fixed with rope clamping block, described rope clamping block is over against the side of described rope sheave, when the rope sheave rotating speed is normal, described ratchet and ratchet are staggered, when up hypervelocity, described centrifugal hammer drives trip(ping) bar and flicks, ratchet is meshed with ratchet, ratchet drives brake cable towards the motion of folder rope assembly, thereby triggering wire holder action clamping steel wire rope stops the lift car braking, when descending hypervelocity, described centrifugal hammer drives trip(ping) bar and flicks, ratchet is meshed with ratchet, ratchet drives head rod and moves towards brake cable place direction, head rod drives rope clamping block, described rope clamping block is pressed in steel rope on rope sheave, thereby trigger the safety tongs action and make the lift car braking,
Safety switch system, it comprise be installed on described frame be used to the electric switch of controlling elevator motor, can two-way touching electric switch switch re-pack, described switch re-packs to be fixed on described ratchet and with electric switch and is in relative position.
Optimize, on described ratchet, offer the pilot hole symmetrical with described waist-shaped hole, on the madial wall of described frame, offer the lock pin corresponding with described pilot hole, described lock pin is arranged in described pilot hole.
Optimize, the described switch end relative with the electric switch of telling that re-pack offers deep-slotted chip breaker, and the electric switch of telling is positioned at described deep-slotted chip breaker.
Optimize, on described ratchet, be provided with the 3rd projection, after described trip(ping) bar flicked, described ratchet rotated, and described the 3rd projection is arranged in the teeth groove of described ratchet.
Optimize, the spring that makes itself and ratchet maintenance stagger state is installed in described ratchet.
Because technique scheme is used; the present invention compared with prior art has following advantages: the present invention utilizes ratchet and ratchet drive to be in charge of up brake cable or descending folder rope assembly stop; reach the purpose of bidirectional-movement protection; utilize simultaneously switch to re-pack and follow the ratchet forward or reverse; guarantee switch motion and prevent from moving rear switch first to reset, greatly improved the safety of elevator operation.
The accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In above accompanying drawing: 1, frame; 2, rope sheave; 3, ratchet; 4, ratchet; 5, centrifugal hammer; 6, trip(ping) bar; 7, waist-shaped hole; 8, folder rope assembly; 9, ratchet pin; 10, brake cable; 11, switch re-packs; 12, electric switch; 13, steel rope; 14, pilot hole; 15, lock pin; 16, the 3rd projection; 81, head rod; 82, the second pipe link; 83, stage clip; 84, the 3rd pipe link; 85, rope clamping block; 101, brake cable support; 102, fixedly extension spring of ratchet; 111, deep-slotted chip breaker.
The specific embodiment
The invention will be further described below in conjunction with embodiment shown in the drawings.
As shown in Figure 1, this elevator governor is used in conjunction with wire holder, and it comprises frame 1, rope sheave 2, steel rope 13, bidirectional-movement protection mechanism and safety switch system.Frame 1 comprises two blocks of side plates that parallel, and rope sheave 2 is rotationally connected with between two blocks of side plates.
The bidirectional-movement protection mechanism comprises ratchet 3, ratchet 4, centrifugal hammer 5, trip(ping) bar 6, folder rope assembly 8, brake cable support 101, ratchet fixedly extension spring 102 and brake cable 10.
In the present embodiment, ratchet 3 axis and rope sheave 2 conllinear and be rotationally connected with on frame 1, ratchet 4 is rotationally connected with on rope sheave 2 and on it and is provided with the 3rd projection 41, and after ratchet 4 rotated, the 3rd projection 41 can be fastened between the ratchet of ratchet 3, drove ratchet and rotated forward or backwards; Centrifugal hammer 5 and trip(ping) bar 6 are rotationally connected with on rope sheave 2, its both maintenances are actuated, and ratchet 4 keeps actuating by spring and trip(ping) bar 6, namely when rope sheave 2 overspeed rotation, centrifugal hammer 5 is done centrifugal motion, be that trip(ping) bar 6 flicks, ratchet 4 is tending to ratchet 3 until the 3rd projection 41 is arranged between the ratchet of ratchet 3 under the effect of spring; Folder rope assembly 8 comprise an end offer the waist-shaped hole 7 of arc and the first connecting rod 81 be connected with ratchet pin 9 on ratchet 3 by this waist-shaped hole 7, with the second pipe link 82 of head rod 81 conllinear, be sheathed on the 3rd pipe link 84 that stage clip 83, an end on the second pipe link 82 is set on the second pipe link 82 and the other end and frame 1 rotate and be connected, the 3rd pipe link 84 is located between the end face of the other end of stage clip 83 and head rod 81, and its middle part is fixed with rope clamping block 85, and rope clamping block 85 is over against the side of rope sheave 2; Brake cable 10 is connected between ratchet pin 9 and wire holder, brake cable support 101 is fixed on the sidewall of frame 1, brake cable 10 is arranged on brake cable support 101, ratchet fixedly extension spring 102 is connected between brake cable support 101 and ratchet pin 9, ratchet 4 keeps by spring and trip(ping) bar 6 trend staggered with ratchet 3, when described rope sheave 2 rotating speeds when too fast, centrifugal hammer 5 drives trip(ping) bar 6 and flicks, ratchet 4 is meshed with ratchet 3, and wire holder clamping steel wire rope 13 or rope clamping block 85 are pressed in steel rope the purpose that reaches braking on rope sheave 2; Can stability of rotation when the action protection in order to ensure ratchet 3, on ratchet 3, offer the pilot hole 14 symmetrical with waist-shaped hole 7, on the madial wall of frame 1, offer the lock pin corresponding with pilot hole 14 15, lock pin 15 is arranged in pilot hole 14.
And only have mechanical braking can't guarantee the safety of elevator operation, therefore this velocity limiter also has safety switch system, this safety switch system comprises that (striker is prior art to the striker that is installed on impact switch driving lever on centrifugal hammer, at this, do not do to repeat yet and do not embody in the drawings), be installed on the electric switch 12 be used to controlling elevator motor on frame 1, switch that can two-way touching electric switch 12 re-packs 11, switch 11 ends relative with described electric switch 12 that re-pack offer deep-slotted chip breaker 111, electric switch 12 is positioned at deep-slotted chip breaker 111, when the rope sheave over speed of rotation, ratchet 4 drives ratchet 3 and rotates, thereby drive deep-slotted chip breaker 111 forwards or counter-rotating that switch re-packs, deep-slotted chip breaker 111 is stirred electric switch 12, guarantee that switch motion makes the elevator main stop.After Simultaneous Switching re-packed and can prevent the velocity limiter action, switch first resetted, and had effectively guaranteed the safety of elevator operation.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. elevator governor, itself and wire holder are used in conjunction with, and it comprises frame (1), is rotationally connected with the steel rope (13) on rope sheave (2), winding and the described rope sheave (2) on described frame (1), it is characterized in that, and it also comprises:
The bidirectional-movement protection mechanism, it comprises axis and rope sheave (2) conllinear and is rotationally connected with the ratchet (3) on described frame (1), be rotationally connected with described rope sheave (2) and go up and can drive the ratchet (4) of described ratchet (3) Double-directional rotary, be rotationally connected with centrifugal hammer (5) and trip(ping) bar (6) on described rope sheave (2), one end offers the waist-shaped hole (7) of arc and the folder rope assembly (8) be connected with ratchet pin (9) on ratchet (3) by this waist-shaped hole (7) and is connected to the brake cable (10) between described ratchet pin (9) and described wire holder, on the sidewall of described frame (1), be fixed be used to supporting the brake cable support (101) of brake cable (10), between described brake cable support (101) and ratchet pin (9), be connected with fixedly extension spring of ratchet (102), described folder rope assembly (8) comprises that an end offers the head rod of waist-shaped hole (7) (81), with the other end of described head rod (81) practice mutually connect and with second pipe link (82) of described head rod (81) conllinear, be sheathed on the stage clip (83) on described the second pipe link (82), one end is set in the 3rd pipe link (84) that the upper and other end of described the second pipe link (82) and frame (1) rotate and be connected, described the 3rd pipe link (84) is located between the end face of the other end of stage clip (83) and head rod (81), and its middle part is fixed with rope clamping block (85), described rope clamping block (85) is over against the side of described rope sheave (2), when rope sheave (2) rotating speed is normal, described ratchet (4) is staggered with ratchet (3), when up hypervelocity, described centrifugal hammer (5) drives trip(ping) bar (6) and flicks, ratchet (4) is meshed with ratchet (3), ratchet drives brake cable (10) towards folder rope assembly (8) motion, thereby drive wire holder clamping steel wire rope (13) and make the lift car braking, when descending hypervelocity, described centrifugal hammer (5) drives trip(ping) bar (6) and flicks, ratchet (4) is meshed with ratchet (3), ratchet (3) drives head rod (81) and moves towards brake cable (10) place direction, head rod (81) drives rope clamping block (85), described rope clamping block (85) is pressed in steel rope on rope sheave (2) and makes the lift car braking,
Safety switch system, it comprise be installed on described frame (1) upper be used to the electric switch (12) of controlling elevator motor, can two-way touching electric switch (12) switch re-pack (11), described switch re-packs, and (11) to be fixed in described ratchet (3) upper and be in relative position with electric switch (12).
2. the elevator governor of telling according to claim 1, it is characterized in that: on described ratchet (3), offer the pilot hole (14) symmetrical with described waist-shaped hole (7), on the madial wall of described frame (1), offer the lock pin (15) corresponding with described pilot hole (14), described lock pin (15) is arranged in described pilot hole (14).
3. elevator governor according to claim 1, it is characterized in that: described switch (11) end relative with the electric switch of telling (12) that re-pack offers deep-slotted chip breaker (111), and the electric switch of telling (12) is positioned at described deep-slotted chip breaker (111).
4. elevator governor according to claim 1, it is characterized in that: on described ratchet (4), be provided with the 3rd projection (16), after described trip(ping) bar (6) flicked, described ratchet (4) rotated, and described the 3rd projection (16) is arranged in the teeth groove of described ratchet (3).
5. elevator governor according to claim 1, is characterized in that: the spring that makes itself and ratchet (3) maintenance stagger state is installed in described ratchet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103904713A CN103407855A (en) | 2013-09-02 | 2013-09-02 | Elevator speed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103904713A CN103407855A (en) | 2013-09-02 | 2013-09-02 | Elevator speed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103407855A true CN103407855A (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103904713A Pending CN103407855A (en) | 2013-09-02 | 2013-09-02 | Elevator speed governor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803371A (en) * | 2014-01-28 | 2014-05-21 | 宁波奥德普电梯部件有限公司 | Control device preventing accidental movement of lift car |
| CN104512783A (en) * | 2013-09-27 | 2015-04-15 | 株式会社日立制作所 | Elevator equipment |
| CN105236234A (en) * | 2015-10-23 | 2016-01-13 | 西继迅达（许昌）电梯有限公司 | Travel-reduced bidirectional speed limiting system capable of preventing car sliding automatically |
| CN104512783B (en) * | 2013-09-27 | 2017-01-04 | 株式会社日立制作所 | Lift facility |
| CN107445010A (en) * | 2017-08-04 | 2017-12-08 | 佛山市欧汇电梯配件有限公司 | It is new to have computer room bidirectional speed limiter |
| CN107473045A (en) * | 2017-08-04 | 2017-12-15 | 佛山市欧汇电梯配件有限公司 | Novel inorganic room bidirectional speed limiter |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09278308A (en) * | 1996-04-10 | 1997-10-28 | Mitsubishi Denki Bill Techno Service Kk | Elevator speed adjuster operation testing device |
| JP2003063749A (en) * | 2001-08-24 | 2003-03-05 | Mitsubishi Electric Corp | Speed adjustment machine testing device for elevator |
| CN2719802Y (en) * | 2004-07-22 | 2005-08-24 | 上海三菱电梯有限公司 | Two-way acting speed limiting device |
| CN201058780Y (en) * | 2007-07-10 | 2008-05-14 | 宁波申菱电梯配件有限公司 | Novel elevator over-speed governor |
| CN201287998Y (en) * | 2008-11-07 | 2009-08-12 | 周高龙 | Bidirectional speed limiter |
| JP2011042427A (en) * | 2009-08-19 | 2011-03-03 | Fujitec Co Ltd | Speed governor of elevator |
| CN202156854U (en) * | 2011-05-18 | 2012-03-07 | 李建忠 | Bidirectional speed limiter of elevator |
| CN103010890A (en) * | 2012-12-18 | 2013-04-03 | 上海吉亿电机有限公司 | Speed limiter of elevator |
| CN203450987U (en) * | 2013-09-02 | 2014-02-26 | 苏州尼隆电梯部件有限公司 | Elevator speed limiter |
-
2013
- 2013-09-02 CN CN2013103904713A patent/CN103407855A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09278308A (en) * | 1996-04-10 | 1997-10-28 | Mitsubishi Denki Bill Techno Service Kk | Elevator speed adjuster operation testing device |
| JP2003063749A (en) * | 2001-08-24 | 2003-03-05 | Mitsubishi Electric Corp | Speed adjustment machine testing device for elevator |
| CN2719802Y (en) * | 2004-07-22 | 2005-08-24 | 上海三菱电梯有限公司 | Two-way acting speed limiting device |
| CN201058780Y (en) * | 2007-07-10 | 2008-05-14 | 宁波申菱电梯配件有限公司 | Novel elevator over-speed governor |
| CN201287998Y (en) * | 2008-11-07 | 2009-08-12 | 周高龙 | Bidirectional speed limiter |
| JP2011042427A (en) * | 2009-08-19 | 2011-03-03 | Fujitec Co Ltd | Speed governor of elevator |
| CN202156854U (en) * | 2011-05-18 | 2012-03-07 | 李建忠 | Bidirectional speed limiter of elevator |
| CN103010890A (en) * | 2012-12-18 | 2013-04-03 | 上海吉亿电机有限公司 | Speed limiter of elevator |
| CN203450987U (en) * | 2013-09-02 | 2014-02-26 | 苏州尼隆电梯部件有限公司 | Elevator speed limiter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512783A (en) * | 2013-09-27 | 2015-04-15 | 株式会社日立制作所 | Elevator equipment |
| CN104512783B (en) * | 2013-09-27 | 2017-01-04 | 株式会社日立制作所 | Lift facility |
| CN103803371A (en) * | 2014-01-28 | 2014-05-21 | 宁波奥德普电梯部件有限公司 | Control device preventing accidental movement of lift car |
| CN103803371B (en) * | 2014-01-28 | 2016-08-24 | 宁波奥德普电梯部件有限公司 | The control device of the anti-accidental movement of lift car |
| CN105236234A (en) * | 2015-10-23 | 2016-01-13 | 西继迅达（许昌）电梯有限公司 | Travel-reduced bidirectional speed limiting system capable of preventing car sliding automatically |
| CN105236234B (en) * | 2015-10-23 | 2019-03-12 | 西继迅达（许昌）电梯有限公司 | Subtract stroke bidirectional automatic anti-running vehicle speed limiting system |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
| CN107445010A (en) * | 2017-08-04 | 2017-12-08 | 佛山市欧汇电梯配件有限公司 | It is new to have computer room bidirectional speed limiter |
| CN107473045A (en) * | 2017-08-04 | 2017-12-15 | 佛山市欧汇电梯配件有限公司 | Novel inorganic room bidirectional speed limiter |
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Application publication date: 20131127 |