CN203699596U - Safe elevator - Google Patents
Safe elevator Download PDFInfo
- Publication number
- CN203699596U CN203699596U CN201320668820.9U CN201320668820U CN203699596U CN 203699596 U CN203699596 U CN 203699596U CN 201320668820 U CN201320668820 U CN 201320668820U CN 203699596 U CN203699596 U CN 203699596U
- Authority
- CN
- China
- Prior art keywords
- car
- ratchet
- emergency staircase
- spool
- safety tongs
- 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.)
- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model provides a safe elevator which comprises a well, a car, a reel, a traction steel wire and car guide tracks, wherein the reel can be rotationally mounted at the upper part in the well along the central axis of the reel; one end of the traction steel wire is rolled on the reel, and the other end is connected with the top end outside the car; the elevator further comprises at least one locking mechanism which comprises a centrifugal clutch fixedly mounted in the middle of the reel, a ratchet wheel fixedly mounted at the end part of the reel and arranged in the opening direction of a swing rod of the centrifugal clutch, a pawl glidingly inserted into a ratchet of the ratchet wheel to stop rotation of the ratchet wheel, as well as a cam for transferring the opening movement of the swing rod of the centrifugal clutch to the pawl; and the elevator further comprises at least one pair of safety tongs which are in swinging connection with the car and are nested onto the car guide tracks. The safe elevator is simple in structure, convenient to implement, safe and reliable.
Description
Technical field
The utility model relates to elevator field, relates in particular to a kind of emergency staircase.
background technology
Modern people live and more and more can use elevator, if while taking, the elevator phenomenon of falling out of control, appears in Lift out of order (drive malfunctioning, traction steel wire fracture etc.), can give people's health and bring no small injury at heart.
utility model content
The utility model, for above-mentioned deficiency, provides a kind of emergency staircase with reel lock mechanism and safety tongs.
The technical solution adopted in the utility model is:
A kind of emergency staircase, comprise hoistway, car, spool, traction steel wire and car guide rail, described spool can be arranged on described hoistway internal upper part rotatably along self central axis, and one end of described traction steel wire furls on described spool, and the other end is connected with described car outer end.Described elevator also comprises
At least one lockout mechanism, comprising: the centrifugal clutch that is fixedly installed in described spool middle part; Be fixedly installed in the ratchet of described roller tube end, described ratchet is placed in the fork of described centrifugal clutch and opens direction; The ratchet that the ratchet of the described ratchet of slip insertion makes it to stop operating; Open the cam of motion to described ratchet with the fork that transmits described centrifugal clutch; With at least one safety tongs, be connected with car swings, and be set on described car guide rail.
Preferably, described a kind of emergency staircase, described lockout mechanism is 2, and the opposing described spool two ends that are arranged at.
Preferably, described a kind of emergency staircase, described safety tongs is three-back-shaped structure, the side center-point of described safety tongs is connected with described car swings.
Preferably, described a kind of emergency staircase, a side bottom of described safety tongs is provided with air resistance binary pair.
Preferably, described a kind of emergency staircase, described cam and described ratchet are fixed on the upper wall of described hoistway by sliding pin.
Preferably, described a kind of emergency staircase, the bottom of described car is provided with shock absorber.
Preferably, described a kind of emergency staircase, described shock absorber is several recoil springs, it is arranged under the floor in described car.
The beneficial effects of the utility model are:
1. the utility model emergency staircase arranges reel lock mechanism, in the time of drive unit for lift very fast falling out of control (speed exceeds predetermined value), centrifugal action makes reel lock mechanism automatic locking spool, drives without electric installation, elevator stops falling, safety, reliable.
2. the utility model emergency staircase arranges safety tongs, when the traction steel wire of elevator is aging or other reasons fracture, cause when elevator is very fast falls (speed exceeds predetermined value), drive without electric installation, under the effect of air resistance, safety tongs and guide rail generation friction force make elevator stop falling, this is simple in structure, is convenient to implement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the off working state schematic diagram of safety tongs in the utility model one embodiment;
Fig. 3 is the working state schematic representation of safety tongs in the utility model one embodiment.
1-hoistway, 2-car, 3-spool, 4-traction steel wire, 5-car guide rail, 6-centrifugal clutch, 7-ratchet, 8-ratchet, 9-cam, 10-sliding pin, 11-safety tongs, 12-air resistance binary pair, 13-shock absorber.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail:
As described in Figure 1, a kind of emergency staircase of the utility model, comprise hoistway 1, car 2, spool 3, traction steel wire 4 and car guide rail 5, described spool 3 can be arranged on described hoistway 1 internal upper part rotatably along self central axis, one end of described traction steel wire 4 furls on described spool 3, and the other end is connected with described car 2 outer ends.Described elevator also comprises at least one lockout mechanism, comprising: the centrifugal clutch 6 that is fixedly installed in described spool 3 middle parts; Be fixedly installed in the ratchet 7 of described spool 3 ends, the fork that described ratchet 7 is placed in described centrifugal clutch 6 is opened direction; The ratchet 8 that the ratchet of the described ratchet 7 of slip insertion makes it to stop operating; Open the cam 9 of motion to described ratchet 8 with the fork that transmits described centrifugal clutch 3.Described elevator also comprises at least one safety tongs 11, swings and is connected, and be set on described car guide rail 5 with described car 2.
Elevator very fast the falling out of control (speed exceeds predetermined value) of breaking down, the very fast rotation of spool, centrifugal clutch on it is followed rotation (now centnifugal force exceeds predetermined value), fork is wherein shown under the effect of centnifugal force, actuating cam motion, drive ratchet to insert the ratchet of roller tube end, ratchet (and spool) stops operating, and elevator stops falling.Wherein, ratchet is unidirectional tooth, the hand of rotation of spool when the prevention direction of ratchet insertion ratchet is elevator whereabouts.Wherein, centrifugal clutch coordinates setting speed predetermined value.
When the traction steel wire of elevator is aging or other reasons fracture, cause when elevator is very fast falls (speed exceeds predetermined value), under the effect of air resistance, safety tongs is around swinging with the point of connection of car, and the both sides of safety tongs and guide rail produce friction force makes elevator stop falling.Wherein, according to the shape of safety tongs, size, weight setting speed predetermined value.
In a preferred embodiment of the present utility model, described cam 9 and described ratchet 8 are fixed on the upper wall of described hoistway by sliding pin.Described safety tongs 11 is three-back-shaped structure, and the side center-point of described safety tongs 11 swings and is connected with described car 2.It is regular shape that safety tongs is set, and the setting of speed predetermined value is more prone to.One side bottom of described safety tongs 11 is provided with air resistance binary pair 12.Counterweight is set, increases and air area of contact, make the effect of air resistance sensitiveer.
The bottom of described car 2 is provided with shock absorber 13.Described catch gear or described safety tongs are met accident and are done the used time, and elevator stops still can producing impulsive force to the people in car, therefore, shock absorber is set and does further protection.Described shock absorber 13 is some recoil springs, and it is arranged under the floor in described car.Shock absorber is installed in car, and in the time there is born accident, first car contacts outer ground, can reduce the direct injury to human body.
The foregoing is only preferably embodiment of the utility model, be not used for limiting practical range of the present utility model, the equivalence of in every case doing in protection domain of the present utility model changes and modifies, and all should think and fall in protection domain of the present utility model.
Claims (7)
1. an emergency staircase, comprise hoistway, car, spool, traction steel wire and car guide rail, described spool can be arranged on described hoistway internal upper part rotatably along self central axis, one end of described traction steel wire furls on described spool, the other end is connected with described car outer end, it is characterized in that, described elevator also comprises
At least one lockout mechanism, comprising: the centrifugal clutch that is fixedly installed in described spool middle part; Be fixedly installed in the ratchet of described roller tube end, described ratchet is placed in the fork of described centrifugal clutch and opens direction; The ratchet that the ratchet of the described ratchet of slip insertion makes it to stop operating; Open the cam of motion to described ratchet with the fork that transmits described centrifugal clutch; With
At least one safety tongs, is connected with car swings, and is set on described car guide rail.
2. a kind of emergency staircase according to claim 1, is characterized in that, described lockout mechanism is 2, and the opposing described spool two ends that are arranged at.
3. a kind of emergency staircase according to claim 1 and 2, is characterized in that, described safety tongs is three-back-shaped structure, and the side center-point of described safety tongs is connected with described car swings.
4. a kind of emergency staircase according to claim 1 and 2, is characterized in that, a side bottom of described safety tongs is provided with air resistance binary pair.
5. a kind of emergency staircase according to claim 1 and 2, is characterized in that, described cam and described ratchet are fixed on the upper wall of described hoistway by sliding pin.
6. a kind of emergency staircase according to claim 1 and 2, is characterized in that, the bottom of described car is provided with shock absorber.
7. a kind of emergency staircase according to claim 6, is characterized in that, described shock absorber is several recoil springs, and it is arranged under the floor in described car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668820.9U CN203699596U (en) | 2013-10-28 | 2013-10-28 | Safe elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668820.9U CN203699596U (en) | 2013-10-28 | 2013-10-28 | Safe elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699596U true CN203699596U (en) | 2014-07-09 |
Family
ID=51050066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668820.9U Expired - Fee Related CN203699596U (en) | 2013-10-28 | 2013-10-28 | Safe elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185529A (en) * | 2016-09-07 | 2016-12-07 | 张卫 | Elevator emergency rim brake |
| CN108382950A (en) * | 2018-04-11 | 2018-08-10 | 波士顿电梯（湖州）有限公司 | Elevator falling-proof safety device |
| CN110577139A (en) * | 2019-09-27 | 2019-12-17 | 汪亚平 | Quick hoisting device of instrument for road and bridge construction |
-
2013
- 2013-10-28 CN CN201320668820.9U patent/CN203699596U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185529A (en) * | 2016-09-07 | 2016-12-07 | 张卫 | Elevator emergency rim brake |
| CN108382950A (en) * | 2018-04-11 | 2018-08-10 | 波士顿电梯（湖州）有限公司 | Elevator falling-proof safety device |
| CN108382950B (en) * | 2018-04-11 | 2023-07-04 | 波士顿电梯（湖州）有限公司 | Anti-falling safety device for passenger elevator |
| CN110577139A (en) * | 2019-09-27 | 2019-12-17 | 汪亚平 | Quick hoisting device of instrument for road and bridge construction |
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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: 20140709 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |