CN200964315Y - Rotary safety clamp connecting bar hoisting mechanism - Google Patents
Rotary safety clamp connecting bar hoisting mechanism Download PDFInfo
- Publication number
- CN200964315Y CN200964315Y CN 200620041656 CN200620041656U CN200964315Y CN 200964315 Y CN200964315 Y CN 200964315Y CN 200620041656 CN200620041656 CN 200620041656 CN 200620041656 U CN200620041656 U CN 200620041656U CN 200964315 Y CN200964315 Y CN 200964315Y
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- China
- Prior art keywords
- connecting rod
- pull bar
- safety tongs
- axle
- utility
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- Expired - Fee Related
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Abstract
The utility model discloses a connecting rod lifting mechanism used at a rotary safe gear. The utility model comprises a connecting head for a speed-limiting device rope, a left connecting rod, a right connecting rod, a left shaft, a right shaft, a left lifting rod for safety gear, a right lifting rod for safety gear, a left lifting connecting bar for a pull rod of safety gear, a right lifting connecting bar for a pull rod of safety gear, a left pull rod of safety gear, a right pull rod of safety gear and a pull rod. A twisted spring is equipped at a left or right shaft with one end connected with the left or right shaft and the other end connected with an upper beam. The twisted spring can only surround a shaft core line of the left or right shaft for rotation. The twisted spring of utility model is arranged inside the upper beam to save the space. The utility model is characterized in simple structure and small size. The utility model can utilize certain action pre-tension force, realized by a twisted spring, to prevent a wrong operation of the connecting rod lifting mechanism of safety gear caused by a friction force generated by a speed limiting device, a weight of speed limiting device and a rope of speed limiting device during an elevator operation.
Description
Technical field
The utility model relates to a kind of elevator accessory, particularly a kind of rotary safe pincers connecting rod lift system.
Background technology
Existing elevator is traction elevator mostly, and the every manned cab by steel rope or chain suspension of GB7588 mandatory provision all need be provided with safety tongs.Safety tongs is a kind of cab (or counterweight) mechanical device out of service that makes.When remarkable passage or space were arranged under the pit, counterweight also needed to be provided with safety tongs.Safety tongs is located on the upper beam of car frame, and plays brake action on guide rail.
Velocity limiter is the device of restriction car (or counterweight) speed, is installed in the machine room usually or the elevator hoistways top.Tightening device is positioned in the pit.
Safety tongs and velocity limiter must just can work in teamwork.Its principle as shown in Figure 1, when car 1 exceeds the speed limit to speed that velocity limiter 3 is adjusted, velocity limiter 3 shuts down, governor rope 3b is by friction force in the rope sheave or rope grip mechanism, lifted and be installed on the safety tongs connecting rod elevator system 4 that car 3 is put the beams in place, the piece 2a that carves of car 3 both sides safety tongss 2 is mentioned synchronously, clamp guide rail 5, the car 3 of hypervelocity is by stop.During safety tongs 2 actions, the safety switch that the safety switch of velocity limiter 3 or safety tongs connecting rod lift system 4 are handled all can disconnect control circuit, then forces the braking of elevator machine brake dead electricity.
In above-mentioned system, realize that the safety tongs connecting rod elevator system of safety tongs 2 and velocity limiter 3 teamworks has played important effect.
The structure that at present common safety tongs connecting rod elevator system adopts as shown in Figure 2, this system realizes that pincers connect lifting mode and are: speed limiter wire rope 3b upwards promotes in velocity limiter 3 action backs, drivening rod 6,7 and 10 is around axle 9 rotations, connecting rod 7 promotes safety tongs lifting rod 8L, what safety tongs lifting rod 8L promoted Fig. 1 carves piece 2a, realizes the safety tongs action; Connecting rod 10 pulling pull bars 11, pull bar 11 is by spring perch 12 compression springs 13, and spring 13 makes whole safety tongs connecting rod elevator system that certain action predetermincd tension be arranged for the counter-force of pull bar 11, prevents the misoperation of safety tongs connecting rod elevator system; Pull bar 11 makes pull bar 14,15 around axle 16 rotation simultaneously, and connecting rod 15 promotes safety tongs lifting rod 8R, and what pull bar 8R promoted relative safety tongs again carves piece 2a.The action of realization safety tongs.In this system, safety tongs connecting rod elevator system has the realization of certain action predetermincd tension to realize by compression spring 13, so claim that generally this mechanism is a compression safety tongs connecting rod lift system.
And compression safety tongs connecting rod lift system be because will arrange compression spring, and spring can only be arranged in the side of upper beam, and this will account for the certain last beam space of tool.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of revolving safety tongs connecting rod lift system, and it has overcome common compression safety tongs connecting rod lift system need account for the defective of last beam space with spring arrangement at last beam sides.Its rotary off-normal spring is arranged in the inside of upper beam, does not take the space of the side of upper beam.
The technical scheme that its technical matters that solves the utility model adopts is:
Rotary safe pincers connecting rod lift system comprises:
The governor rope connector;
Left and right connecting rod;
Left and right axle;
Left and right safety tongs lifting rod;
Left and right safety tongs pull bar lifts connecting rod;
Left and right safety tongs pull bar;
Pull bar; And
Described left and right axle axle respectively is located at the two ends of upper beam and can and can only rotates around axial line separately; Described governor rope connector is connected with left side axle by left connecting rod, and left lifts connecting rod with left safety tongs pull bar respectively and be connected with another left connecting rod; Described left safety tongs pull bar lifts connecting rod and left safety tongs pull bar hinge;
Described another left connecting rod and pull bar are hinged; Described pull bar and right connecting rod are hinged, and described pull bar has played the effect that realizes two end axles interlock intermediary;
Described right connecting rod is connected with right axle, also has right safety tongs pull bar to lift connecting rod with described right axle bonded assembly, and described right safety tongs pull bar and described right safety tongs pull bar lift connecting rod link;
It is characterized in that,
Be with a torsion spring on a left side or right side axle, an end of described torsion spring is connected with a left side or right axle, and the other end is connected with upper beam; It can and can only be around the shaft core line rotation of left or right axle.
Lift system of the present invention also comprises by described right connecting rod and contacts an open circuited safety switch.
Be respectively arranged with safety tongs on the described left and right safety tongs pull bar.
Rotary safe pincers connecting rod lift system of the present utility model has certain action predetermincd tension to realize by torsion spring, and this predetermincd tension can prevent the misoperation of the safety tongs connecting rod lift system that the friction force of velocity limiter and deadweight of velocity limiter weight and the operating governor rope of elevator causes.
By above technical scheme, rotary safe pincers connecting rod lift system of the present utility model as can be seen also is a device of realizing safety tongs and velocity limiter teamwork.And torsion spring of the present utility model is arranged in the inside of upper beam, saved the space.And simple in structure, volume is little.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of existing safety tongs and the necessary teamwork of velocity limiter;
Fig. 2 is the structural representation of at present common safety tongs connecting rod elevator system;
Fig. 3 is installed in structural representation on the upper beam for the utility model rotary safe pincers connecting rod lift system;
Fig. 4 is the structural representation of the utility model rotary safe pincers connecting rod lift system.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 3, Figure 4, rotary safe pincers connecting rod lift system of the present utility model comprises: left and right axle 19 and 27, they are separately fixed at the two ends of upper beam and can and can only rotate around axial line separately.Axially be with torsion spring 20 on left 19, torsion spring 20 1 ends are rigidly connected with left side axle 19, in the end insertion upper beam 23, and also can and can only be around the axial line rotation of left side axle 19; Left side axle 19 rigidly fixes left connecting rod 18 respectively angularly, left safety tongs pull bar lifts connecting rod 21, another left connecting rod 24.
Left side connecting rod 18 usefulness pin hinge speed limiter rope connectors 17, left safety tongs pull bar lifts connecting rod 21 usefulness pin hinge left safety tongs pull bar 22, an end of another left connecting rod 24 usefulness pin hinge pull bars 25.
On right axle 27, right connecting rod 26, right safety tongs tie rod connecting bar 28 have been rigidly fixed respectively angularly, the other end of right connecting rod 26 pin hinge pull bars 25.Right safety tongs tie rod connecting bar 28 usefulness pin hinge have right safety tongs pull bar 29.Pull bar 25 has played the effect that realizes left and right 19 and 27 interlock intermediaries.Feasible effect by velocity limiter (rope), the effect that the safety tongs at car two ends is braked simultaneously.Right connecting rod 26 can also disconnect a safety switch 30.
Be respectively arranged with the safety tongs (not shown) on the left and right safety tongs pull bar 22,29.
In this rotary safe pincers connecting rod lift system, when governor rope connector 17 upwards promotes left connecting rod 18 after the velocity limiter action, left side connecting rod 18 drives 19 rotations of left side axle, drive another left connecting rod 24 and left safety tongs pull bar during 19 rotations of left side axle respectively and lift connecting rod 21 rotations, left side safety tongs pull bar lifts connecting rod 21 rotations and promotes left safety tongs pull bar 22, and left safety tongs pull bar 22 drives the safety tongs action of lift car one side; Another left connecting rod 24 rotations and pulling pull bar 25, pull bar 25 drives right connecting rod 26 and 27 rotations of right axle again, right axle 27 rotations drive right safety tongs tie rod connecting bar 28 rotations and promote right safety tongs pull bar 29, and right safety tongs pull bar 29 drives the safety tongs action of lift car opposite side, forms brake action.The other end of left side connecting rod 26 can disconnect safety switch 30, forces the braking of elevator machine brake dead electricity.Torsion spring 20 has certain predetermincd tension when mounted, and this predetermincd tension can prevent the misoperation of the safety tongs connecting rod lift system that the friction force of velocity limiter and deadweight of velocity limiter weight and the operating governor rope of elevator causes.
Certainly,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for one of ordinary skill in the art.But above-mentioned various variations obviously should be in the protection domain of claims of the present utility model.
Claims (3)
1, rotary safe pincers connecting rod lift system comprises:
The governor rope connector;
Left and right connecting rod;
Left and right axle;
Left and right safety tongs lifting rod;
Left and right safety tongs pull bar lifts connecting rod;
Left and right safety tongs pull bar;
Pull bar; And
Described left and right axle axle respectively is located at the two ends of upper beam and can and can only rotates around axial line separately; Described governor rope connector is connected with left side axle by left connecting rod, and left lifts connecting rod with left safety tongs pull bar respectively and be connected with another left connecting rod;
Described left safety tongs pull bar lifts connecting rod and left safety tongs pull bar hinge;
Described another left connecting rod and pull bar are hinged; Described pull bar and right connecting rod are hinged, and described pull bar has played the effect that realizes two end axles interlock intermediary;
Described right connecting rod is connected with right axle, also has right safety tongs pull bar to lift connecting rod with described right axle bonded assembly, and described right safety tongs pull bar and described right safety tongs pull bar lift connecting rod link;
It is characterized in that,
Be with a torsion spring on a left side or right side axle, an end of described torsion spring is connected with a left side or right axle, and the other end is connected with upper beam; It can and can only be around the shaft core line rotation of left or right axle.
2, rotary safe pincers connecting rod lift system according to claim 1 is characterized in that, also comprises by described right connecting rod contacting an open circuited safety switch.
3, rotary safe pincers connecting rod lift system according to claim 1 is characterized in that, is respectively arranged with safety tongs on the described left and right safety tongs pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041656 CN200964315Y (en) | 2006-05-10 | 2006-05-10 | Rotary safety clamp connecting bar hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041656 CN200964315Y (en) | 2006-05-10 | 2006-05-10 | Rotary safety clamp connecting bar hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200964315Y true CN200964315Y (en) | 2007-10-24 |
Family
ID=38868327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620041656 Expired - Fee Related CN200964315Y (en) | 2006-05-10 | 2006-05-10 | Rotary safety clamp connecting bar hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200964315Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837914A (en) * | 2010-05-28 | 2010-09-22 | 江南嘉捷电梯股份有限公司 | Connection structure of elevator speed limiter wire rope |
| CN101979298A (en) * | 2010-10-20 | 2011-02-23 | 日立电梯（中国）有限公司 | Elevator safety stop trigger device |
| WO2012024925A1 (en) * | 2010-08-27 | 2012-03-01 | 康力电梯股份有限公司 | Speed-limiting control device for home lift |
| CN101821188B (en) * | 2007-10-18 | 2012-12-12 | 通力股份公司 | Elevator |
| CN102815638A (en) * | 2012-09-03 | 2012-12-12 | 中国矿业大学 | Ring type safe plier connecting rod pulling mechanism |
| CN102897630A (en) * | 2012-09-12 | 2013-01-30 | 昆山京都电梯有限公司 | Safety gear linkage device |
| CN104495563A (en) * | 2014-12-31 | 2015-04-08 | 允成机电科技(上海)有限公司 | Flexible safety gear linkage mechanism for home elevator |
| CN104817000A (en) * | 2015-05-21 | 2015-08-05 | 南通三洋电梯有限责任公司 | Novel elevator overspeed protection device |
| CN105293245A (en) * | 2015-12-11 | 2016-02-03 | 郭贤良 | Winding drum type elevator anti-falling device |
| CN106081779A (en) * | 2016-08-03 | 2016-11-09 | 陕西小溪机电科技有限公司 | A kind of bidirectional safety tongs shift mechanism |
| CN106395543A (en) * | 2015-07-29 | 2017-02-15 | 日立电梯（中国）有限公司 | Lifting mechanism for elevator safety pliers |
| CN111498639A (en) * | 2020-03-20 | 2020-08-07 | 康力电梯股份有限公司 | Disconnect-type safety tongs linkage and carry and draw mechanism |
| CN112867687A (en) * | 2018-11-28 | 2021-05-28 | 株式会社日立制作所 | Emergency stop device and elevator |
-
2006
- 2006-05-10 CN CN 200620041656 patent/CN200964315Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821188B (en) * | 2007-10-18 | 2012-12-12 | 通力股份公司 | Elevator |
| CN101837914A (en) * | 2010-05-28 | 2010-09-22 | 江南嘉捷电梯股份有限公司 | Connection structure of elevator speed limiter wire rope |
| WO2012024925A1 (en) * | 2010-08-27 | 2012-03-01 | 康力电梯股份有限公司 | Speed-limiting control device for home lift |
| CN101979298B (en) * | 2010-10-20 | 2013-03-13 | 日立电梯（中国）有限公司 | Elevator safety stop trigger device |
| CN101979298A (en) * | 2010-10-20 | 2011-02-23 | 日立电梯（中国）有限公司 | Elevator safety stop trigger device |
| CN102815638B (en) * | 2012-09-03 | 2015-04-29 | 中国矿业大学 | Ring type safe plier connecting rod pulling mechanism |
| CN102815638A (en) * | 2012-09-03 | 2012-12-12 | 中国矿业大学 | Ring type safe plier connecting rod pulling mechanism |
| CN102897630A (en) * | 2012-09-12 | 2013-01-30 | 昆山京都电梯有限公司 | Safety gear linkage device |
| CN104495563A (en) * | 2014-12-31 | 2015-04-08 | 允成机电科技(上海)有限公司 | Flexible safety gear linkage mechanism for home elevator |
| CN104817000A (en) * | 2015-05-21 | 2015-08-05 | 南通三洋电梯有限责任公司 | Novel elevator overspeed protection device |
| CN106395543A (en) * | 2015-07-29 | 2017-02-15 | 日立电梯（中国）有限公司 | Lifting mechanism for elevator safety pliers |
| CN105293245A (en) * | 2015-12-11 | 2016-02-03 | 郭贤良 | Winding drum type elevator anti-falling device |
| CN106081779A (en) * | 2016-08-03 | 2016-11-09 | 陕西小溪机电科技有限公司 | A kind of bidirectional safety tongs shift mechanism |
| CN106081779B (en) * | 2016-08-03 | 2018-09-11 | 陕西小溪机电科技有限公司 | A kind of bidirectional safety tongs shift mechanism |
| CN112867687A (en) * | 2018-11-28 | 2021-05-28 | 株式会社日立制作所 | Emergency stop device and elevator |
| CN112867687B (en) * | 2018-11-28 | 2022-08-16 | 株式会社日立制作所 | Emergency stop device and elevator |
| CN111498639A (en) * | 2020-03-20 | 2020-08-07 | 康力电梯股份有限公司 | Disconnect-type safety tongs linkage and carry and draw mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20130510 |