CN105883525A - Elevator falling preventing safety protection mechanism based on safety tongs operation - Google Patents
Elevator falling preventing safety protection mechanism based on safety tongs operation Download PDFInfo
- Publication number
- CN105883525A CN105883525A CN201610400031.5A CN201610400031A CN105883525A CN 105883525 A CN105883525 A CN 105883525A CN 201610400031 A CN201610400031 A CN 201610400031A CN 105883525 A CN105883525 A CN 105883525A
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- China
- Prior art keywords
- safety
- safety tongs
- rod
- protection mechanism
- draw beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator falling preventing safety protection mechanism based on safety tongs operation. The safety protection mechanism comprises a main draft sill connected with a dragging steel rope, a pair of main connecting rods hinged to the two ends of the main draft sill and a strong spring for connecting the main draft sill with a car platform sill; the middles of the main connecting rods are movably installed on the car platform sill so that the main connecting rods can rotate or move translationally, and the lower ends of the main connecting rods are hinged to operating levers of safety tongs; the main draft sill can drive the operating levers of the safety tongs to ascend or descend when moving up and down in the drag force direction to achieve actions of the safety tongs. The elevator falling preventing safety protection mechanism has the advantages that as the function of force is instantaneous, the safety tongs act faster and more timely instead of being triggered until falling speed reaches a certain larger value, the safety coefficient is greatly increased, and equipment loss caused by sudden speed reduction is reduced. Arranged safety pins share a part of falling energy, falling speed will be reduced to a certain extent by shearing the safety pins, and then the anti-falling protection capacity is improved further.
Description
Technical field
The invention belongs to elevator technology field, be specifically related to a kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation.
Background technology
The appearance of skyscraper substantially increases land utilization ratio, and brings, for people, chance of preferably going sightseeing, and promotes city image glamour simultaneously, becomes the impression window of urban development.As one of part requisite in skyscraper, elevator plays an important role.According to incompletely statistics, by the end of 2015, the whole nation is total to be in military service more than 1,000,000 elevators, it can be seen that, elevator has become one of requisite instrument in daily life.The quantity of elevator not only grows with each passing day, and the research of elevator is the most day by day goed deep into by people.In long-term research and using, it has been found that the safety problem of elevator becomes the focus making us most paying attention to, and all big enterprises also put into substantial contribution and manpower researches and develops more advanced safety device.But in some occasion, owing to the potential safety hazard of incorrect use and elevator existence itself easily causes the generation of used during elevator falling accident, thus cause casualties and economic loss.The safety device preventing used during elevator falling at present is the safety tongs that limiter of speed is handled, and when elevator drops certain speed, limiter of speed handling safety is clamped down on and stopped car.But when speed is higher, handling safety clamps, and easily car, passenger, guide rail etc. is caused bigger harm, therefore based on this problem, it is necessary to research and develop a kind of safe and reliable protector.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art; a kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation is provided; can when elevator tenesmus starts can the device of handling safety pincers, to reach to protect passenger safety in car and to reduce the purpose of component deterioration.
For solving prior art problem, the invention discloses a kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation, including the main draw beam of connection dragged wire-rope, it is respectively articulated with the master connecting-rod being arranged on main draw beam two ends for a pair, and connects the brute spring of main draw beam and car；Rotation and the translation realizing master connecting-rod, its lower end and the hinged installation of control stick of safety tongs are installed in the medium position of master connecting-rod and car activity；Main draw beam can drive the lifting of safety tongs control stick to realize the action of safety tongs when moving up and down along traction direction.
Preferably, also include a pair being respectively articulated with the slave connecting rod being arranged on main draw beam, and be slidably mounted on the safety pin of car top for a pair respectively；The lower end of slave connecting rod and the hinged installation of safety pin；Main draw beam can also control the horizontal movement of safety pin when moving up and down.
Preferably, the middle part of master connecting-rod and lower end all offer long lumbar hole, and car is provided with rotary shaft, and rotary shaft coordinates with the long lumbar hole in the middle part of master connecting-rod, and the end of the control stick of safety tongs is provided with connecting shaft, and connecting shaft coordinates with the long lumbar hole of master connecting-rod lower end.
Preferably, also including a longeron being vertically installed at car top, main draw beam is slidably mounted on longeron.
The invention have the benefit that
1. being moment due to the effect of power, therefore the action of safety tongs is more in time rapidly without waiting until that tenesmus speed reaches a certain higher value and is just triggered, and is greatly improved safety coefficient and reduces the equipment loss caused because of speed rapid drawdown.
2. arranging safety pin and shared a part of tenesmus energy, cutting off of safety pin can make lapse rate decrease, thus further enhances anti-drop protection ability.
Accompanying drawing explanation
Fig. 1 is the present invention fundamental diagram when elevator is properly functioning；
Fig. 2 is the present invention fundamental diagram when elevator occurs tenesmus.
Reference:
1 main draw beam；2 master connecting-rods；2.1 hinged long lumbar holes；2.2 connect long lumbar hole；3 hinged-supports；4 slave connecting rods；5 safety pins；6 cars；7 brute springs；8 safety tongs control sticks；9 dragged wire-ropes.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, a kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation, including the main draw beam 1 of connection dragged wire-rope 9, it is respectively articulated with the master connecting-rod 2 being arranged on main draw beam 1 two ends for a pair, and connects the brute spring 7 of main draw beam 1 and car 6；The medium position of master connecting-rod 2 is movable with car 6 installs rotation and the translation realizing master connecting-rod 2, its lower end and the hinged installation of safety tongs control stick 8；Main draw beam 1 can drive safety tongs control stick 8 lifting to realize the action of safety tongs when moving up and down along traction direction.
In order to improve protection effect during tenesmus further, mechanism also includes a pair being respectively articulated with the slave connecting rod 4 being arranged on main draw beam 1, and is slidably mounted on the safety pin 5 at car 6 top for a pair respectively；The lower end of slave connecting rod 4 and the hinged installation of safety pin 5；Main draw beam 1 can also control the horizontal movement of safety pin 5 when moving up and down.
The middle part of master connecting-rod 2 offers hinged long lumbar hole 2.1, connection long lumbar hole 2.2 is offered in lower end, and car 6 is provided with hinged-support 3, and hinged-support 3 is installed rotary shaft, and rotary shaft coordinates rotation and the translation realizing master connecting-rod 2 with the long lumbar hole in the middle part of master connecting-rod 2.The end of safety tongs control stick 8 is provided with connecting shaft, and the long lumbar hole 2.2 that connects of connecting shaft and master connecting-rod 2 lower end coordinates and realizes raising and decentralizing of safety tongs control stick 8.
Mechanism also includes that a longeron being vertically installed at car 6 top, main draw beam 1 are slidably mounted on longeron.Above-mentioned associated components is all symmetrically installed to improve stressing conditions thus preferably plays protective action.
The operation principle of the present invention and process
As in figure 2 it is shown, properly functioning time, the traction provided due to dragged wire-rope 9, more than the elastic force of brute spring 7, thus results in the main relative car 6 of draw beam 1 and moves upward, and safety tongs control stick 8 and safety pin 5 are in not operating state.When traction suddenly disappears or during rapid drawdown, and main draw beam 1 relative car 6 under the resilient force of brute spring 7 moves downward, thus drive and carry on master connecting-rod 2 handling safety pincers control stick 8, so that safety tongs stop car 6.Meanwhile, slave connecting rod 4 releases safety pin 5 so that it is cut off on guide rail bracket, absorbs part tenesmus energy.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (4)
1. an elevator safe fall-proof protection mechanism based on safety tongs manipulation, it is characterised in that: include the main draw beam connecting dragged wire-rope, be respectively articulated with the master connecting-rod being arranged on main draw beam two ends for a pair, and connect the brute spring of main draw beam and car；Rotation and the translation realizing master connecting-rod, its lower end and the hinged installation of control stick of safety tongs are installed in the medium position of master connecting-rod and car activity；Main draw beam can drive the lifting of safety tongs control stick to realize the action of safety tongs when moving up and down along traction direction.
A kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation the most according to claim 1, it is characterised in that also include a pair being respectively articulated with the slave connecting rod being arranged on main draw beam, and be slidably mounted on the safety pin of car top for a pair respectively；The lower end of slave connecting rod and the hinged installation of safety pin；Main draw beam can also control the horizontal movement of safety pin when moving up and down.
A kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation the most according to claim 2, it is characterized in that, the middle part of master connecting-rod and lower end all offer long lumbar hole, rotary shaft is installed on car, rotary shaft coordinates with the long lumbar hole in the middle part of master connecting-rod, the end of the control stick of safety tongs is provided with connecting shaft, and connecting shaft coordinates with the long lumbar hole of master connecting-rod lower end.
A kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation the most according to claim 3, it is characterised in that also including a longeron being vertically installed at car top, main draw beam is slidably mounted on longeron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400031.5A CN105883525A (en) | 2016-06-08 | 2016-06-08 | Elevator falling preventing safety protection mechanism based on safety tongs operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400031.5A CN105883525A (en) | 2016-06-08 | 2016-06-08 | Elevator falling preventing safety protection mechanism based on safety tongs operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105883525A true CN105883525A (en) | 2016-08-24 |
Family
ID=56710976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610400031.5A Pending CN105883525A (en) | 2016-06-08 | 2016-06-08 | Elevator falling preventing safety protection mechanism based on safety tongs operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105883525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395546A (en) * | 2016-11-29 | 2017-02-15 | 北京联合大学 | Safe anti-falling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169617Y (en) * | 1993-09-02 | 1994-06-22 | 柳州市建筑电梯厂 | Anti-cable broken, load limiting safety device for elevator |
| CN204265165U (en) * | 2014-10-31 | 2015-04-15 | 昆山通祐电梯有限公司 | The safety tongs device of pneumatic elevator and pneumatic elevator |
| CN204369352U (en) * | 2015-01-07 | 2015-06-03 | 苏州多美适家用电梯有限公司 | Safety tongs flip flop equipment |
| CN105035905A (en) * | 2015-08-21 | 2015-11-11 | 广东德奥电梯科技有限公司 | Hydraulic electronic safety tong system |
| CN205709300U (en) * | 2016-06-08 | 2016-11-23 | 爱默生电梯有限公司 | A kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation |
-
2016
- 2016-06-08 CN CN201610400031.5A patent/CN105883525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2169617Y (en) * | 1993-09-02 | 1994-06-22 | 柳州市建筑电梯厂 | Anti-cable broken, load limiting safety device for elevator |
| CN204265165U (en) * | 2014-10-31 | 2015-04-15 | 昆山通祐电梯有限公司 | The safety tongs device of pneumatic elevator and pneumatic elevator |
| CN204369352U (en) * | 2015-01-07 | 2015-06-03 | 苏州多美适家用电梯有限公司 | Safety tongs flip flop equipment |
| CN105035905A (en) * | 2015-08-21 | 2015-11-11 | 广东德奥电梯科技有限公司 | Hydraulic electronic safety tong system |
| CN205709300U (en) * | 2016-06-08 | 2016-11-23 | 爱默生电梯有限公司 | A kind of elevator safe fall-proof protection mechanism based on safety tongs manipulation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395546A (en) * | 2016-11-29 | 2017-02-15 | 北京联合大学 | Safe anti-falling device |
| CN106395546B (en) * | 2016-11-29 | 2019-01-25 | 北京联合大学 | A kind of safety anti-falling device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
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| RJ01 | Rejection of invention patent application after publication |