CN203450987U - Elevator speed limiter - Google Patents
Elevator speed limiter Download PDFInfo
- Publication number
- CN203450987U CN203450987U CN201320539717.4U CN201320539717U CN203450987U CN 203450987 U CN203450987 U CN 203450987U CN 201320539717 U CN201320539717 U CN 201320539717U CN 203450987 U CN203450987 U CN 203450987U
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- ratchet
- rope
- switch
- elevator
- brake cable
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Abstract
The utility model relates to an elevator speed limiter which is used in cooperation with a mechanical rope clamping device. The elevator speed limiter comprises a rack, a rope wheel, a steel wire rope, a bi-directional action protective mechanism and a safety switch system, wherein the rope wheel is connected to the rack in a rotatable mode, and the steel wire rope is arranged on the rope wheel in a wound mode. Compared with an existing speed limiter, the elevator speed limiter has the advantages of being simple in structure, reliable, low in cost and convenient to assemble, a ratchet wheel and a pawl are used for driving an ascending brake line or a descending rope clamping assembly of a branch pipe to stop so that the purpose of bi-directional overspeed protection can be achieved, a switch striking board is used for rotating forward or reversely along with the ratchet wheel to poke a safety switch so that the purpose of stopping an elevator mainframe in a bi-directional mode can be achieved, and safety of elevator operation is greatly improved.
Description
Technical field
The utility model relates to elevator field, particularly a kind of elevator governor.
Background technology
Velocity limiter is parts of elevator overspeed protecting device, and it forms elevator overspeed safety system together with safety tongs or wire holder.When ascending for elevator or downstream rate surpass the value of regulation, be generally set as the 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.At present the conventional velocity limiter of elevator have a centrifugal hammer type 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, velocity limiter wheel is stopped operating, then manoeuvring safety pincers or wire holder action, reach the object that makes deceleration of elevator stop.The bidirectional speed limiter complex structure, the manufacturing cost that occur are at present high.
Summary of the invention
The purpose of this utility model is to provide the elevator governor of a kind of energy bidirectional-movement protection.
For achieving the above object, the technical solution adopted in the utility model is: a kind of elevator governor, and itself and wire holder are used in conjunction with, and it comprises frame, be rotationally connected with rope sheave in described frame, the steel rope on winding and described rope sheave, and it also comprises:
Bidirectional-movement protection mechanism, it comprises axis and rope sheave conllinear and is rotationally connected with the ratchet in described frame, be rotationally connected with the ratchet of the ratchet Double-directional rotary on described rope sheave and described in driving, be rotationally connected with centrifugal hammer and trip(ping) bar on described rope sheave, one end offers waist-shaped hole and the folder rope assembly being connected with ratchet pin on ratchet by this waist-shaped hole of arc and is connected to described ratchet pin and the brake cable between described wire holder, on the sidewall of described frame, be fixed with for 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 one end offers the head rod of waist-shaped hole, be connected with the other end of described head rod and with the second pipe link of described head rod conllinear, be sheathed on the stage clip on the second described pipe link, the 3rd pipe link that one end is set on the second described pipe link and the other end rotates and is connected with frame, the 3rd described 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 rope sheave rotating speed is normal, described ratchet and ratchet are staggered, when up hypervelocity, described centrifugal hammer drives trip(ping) bar to flick, 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 lift car braking, when overspeed descending, described centrifugal hammer drives trip(ping) bar to flick, ratchet is meshed with ratchet, ratchet drives head rod to move 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 safety tongs action and make lift car braking,
Safety switch system, it comprises that the electric switch that is installed in described frame for controlling elevator motor, switch that can two-way touching electric switch re-pack, described switch re-packs and is fixed on described ratchet and with electric switch in relative position.
Optimize, offer the pilot hole symmetrical with described waist-shaped hole on described ratchet, offer the lock pin corresponding with described pilot hole on the madial wall of described frame, described lock pin is arranged in described pilot hole.
Optimize, the described switch one end relative with described electric switch that re-pack offers deep-slotted chip breaker, and described electric switch is positioned at described deep-slotted chip breaker.
Optimize, be provided with the 3rd projection on described ratchet, after described trip(ping) bar flicks, described ratchet rotates, and the 3rd described 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 utility model compared with prior art has following advantages: the utility model utilizes ratchet and ratchet drive to be in charge of up brake cable or descending folder rope assembly stop; reach the object of bidirectional-movement protection; utilize switch to re-pack simultaneously and follow ratchet forward or reverse; guarantee switch motion and prevent from moving rear switch first to reset, greatly improved the safety of elevator operation.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
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
Below in conjunction with embodiment shown in the drawings, the utility model is further described.
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.
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 in 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 rotates, the 3rd projection 41 can be fastened between the ratchet of ratchet 3, drives ratchet to rotate 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, when rope sheave 2 overspeed rotation, centrifugal hammer 5 is done centrifugal motion, be that trip(ping) bar 6 flicks, ratchet 4 tends 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 one end offer the waist-shaped hole 7 of arc and the first connecting rod 81 being 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, one end are set on the second pipe link 82 and the other end rotates and is connected with frame 1 on the second pipe link 82, 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 staggering with ratchet 3, when described rope sheave 2 rotating speeds are when too fast, centrifugal hammer 5 drives trip(ping) bar 6 to flick, 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 object 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 cannot guarantee the safety of elevator operation, therefore this velocity limiter also has safety switch system, this safety switch system comprises and is installed on the striker of impact switch driving lever on centrifugal hammer (striker is prior art, at this, do not repeat and do not embody in the drawings), be installed in frame 1 for controlling the electric switch 12 of elevator motor, switch that can two-way touching electric switch 12 re-packs 11, switch 11 one end 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 rope sheave over speed of rotation, ratchet 4 drives ratchet 3 to rotate, thereby deep-slotted chip breaker 111 forwards or the reversion that drive switch to re-pack, deep-slotted chip breaker 111 is stirred electric switch 12, guarantee that switch motion makes elevator main stop.After Simultaneous Switching re-packs and can prevent velocity limiter action, switch first resets, and has effectively guaranteed the safety of elevator operation.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. an elevator governor, itself and wire holder are used in conjunction with, and it comprises frame (1), be rotationally connected with rope sheave (2) in described frame (1), the steel rope (13) on winding and described rope sheave (2), it is characterized in that, and it also comprises:
Bidirectional-movement protection mechanism, it comprises axis and rope sheave (2) conllinear and is rotationally connected with the ratchet (3) in described frame (1), be rotationally connected with the ratchet (4) of ratchet (3) Double-directional rotary of described rope sheave (2) above and described in driving, be rotationally connected with centrifugal hammer (5) and trip(ping) bar (6) on described rope sheave (2), one end offers waist-shaped hole (7) and the folder rope assembly (8) being connected with ratchet pin (9) on ratchet (3) by this waist-shaped hole (7) of arc and is connected to described ratchet pin (9) and the brake cable (10) between described wire holder, on the sidewall of described frame (1), be fixed with for 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 one end offers the head rod of waist-shaped hole (7) (81), be connected with the other end of described head rod (81) 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 described the second pipe link (82) is upper and the other end rotates and is connected with frame (1), the 3rd described 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) to flick, 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) to make lift car braking, when overspeed descending, described centrifugal hammer (5) drives trip(ping) bar (6) to flick, ratchet (4) is meshed with ratchet (3), ratchet (3) drives head rod (81) to move 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) lift car is braked,
Safety switch system, it comprise be installed on described frame (1) upper for controlling the electric switch (12) of elevator motor, switch that can two-way touching electric switch (12) re-packs (11), described switch re-pack (11) be fixed on described ratchet (3) upper and with electric switch (12) in relative position.
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) one end relative with described electric switch (12) that re-pack offers deep-slotted chip breaker (111), described electric switch (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) flicks, described ratchet (4) rotates, and the 3rd described 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 |
|---|---|---|---|
| CN201320539717.4U CN203450987U (en) | 2013-09-02 | 2013-09-02 | Elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539717.4U CN203450987U (en) | 2013-09-02 | 2013-09-02 | Elevator speed limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450987U true CN203450987U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320539717.4U Expired - Fee Related CN203450987U (en) | 2013-09-02 | 2013-09-02 | Elevator speed limiter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203450987U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407855A (en) * | 2013-09-02 | 2013-11-27 | 苏州尼隆电梯部件有限公司 | Elevator speed governor |
| CN104609276A (en) * | 2015-02-03 | 2015-05-13 | 合肥工业大学 | Elevator speed limiter and control method thereof |
| CN105197718A (en) * | 2015-10-23 | 2015-12-30 | 西继迅达（许昌）电梯有限公司 | Stroke-reduced two-way automatic speed limiting system |
| 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 |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
-
2013
- 2013-09-02 CN CN201320539717.4U patent/CN203450987U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407855A (en) * | 2013-09-02 | 2013-11-27 | 苏州尼隆电梯部件有限公司 | Elevator speed governor |
| CN104609276A (en) * | 2015-02-03 | 2015-05-13 | 合肥工业大学 | Elevator speed limiter and control method thereof |
| CN106144826A (en) * | 2015-02-03 | 2016-11-23 | 合肥工业大学 | A kind of control method of elevator governor |
| CN105197718A (en) * | 2015-10-23 | 2015-12-30 | 西继迅达（许昌）电梯有限公司 | Stroke-reduced two-way automatic speed limiting system |
| CN105197718B (en) * | 2015-10-23 | 2018-04-10 | 西继迅达（许昌）电梯有限公司 | Subtract stroke bidirectional speed limiting system |
| CN105752790A (en) * | 2016-03-24 | 2016-07-13 | 廊坊市久联机械有限公司 | Elevator speed limiter |
| CN105752790B (en) * | 2016-03-24 | 2018-10-12 | 廊坊市久联机械有限公司 | A kind of elevator governor |
| CN105712150A (en) * | 2016-04-18 | 2016-06-29 | 廊坊市久联机械有限公司 | Speed-governor of elevator |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20170902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |