CN1557691A - Fall-preventing protection device for lift - Google Patents
Fall-preventing protection device for lift Download PDFInfo
- Publication number
- CN1557691A CN1557691A CNA2004100152778A CN200410015277A CN1557691A CN 1557691 A CN1557691 A CN 1557691A CN A2004100152778 A CNA2004100152778 A CN A2004100152778A CN 200410015277 A CN200410015277 A CN 200410015277A CN 1557691 A CN1557691 A CN 1557691A
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- turning cylinder
- fall
- protection device
- preventing protection
- shaft seat
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Abstract
The elevator parachute includes rotating shaft seat connected to the elevator cage, rotating shaft installed inside the rotating shaft seat and with one end connected to rope pulley and the other end connected to centrifugal protector capable of stopping the rotating shaft, steel rope with at least one turn wound on the rope pulley and with two end tensed to ground or fixed building. By means of the friction force of the steel rope, the present invention can avoid effectively cage falling, and the elevator parachute has simple structure, easy installation, high safety and reliability and may be used widely for various building construction elevators.
Description
Technical field
The present invention relates to a kind of elevator fender guard that is used for building operation, particularly a kind of fall-preventing protection device for lift.
Background technology
In building operation, elevator plays important effect in vertical transport, and its safe reliability also more and more is subject to people's attention, and existing fall-preventing protection device for lift is coupling type, bolt-type and track brake formula normally.Preceding two kinds principle of work is when elevator generation cable wire fractures, the employing M/C will link up with or latch places on the support, thereby prevented the generation that cage falls, but the state status of the necessary hig diligence elevator of operator when being to use, and before the elevator operation, need to check whether hook or latch place on the support, otherwise will cause the support infringement; And thereby the track brake formula is to reach the effect that prevents that cage from falling by the plane of action that clamp clamps guide rail, but this device to manufacturing, the installation requirement strictness of guide rail, thereby and its complex structure can't widespread use; Above-mentioned three kinds of fall-preventing protection devices all do not have the speed limit function, and when the slide situation took place cage, fall-preventing protection device all can't be discovered and can not in time start.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of fall-preventing protection device for lift that has speed limit, stops holding function.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fall-preventing protection device for lift, comprise the shaft seat that is fixedly connected on the elevator cage, in the shaft seat cavity turning cylinder is installed, turning cylinder one end is fixedly connected with rope sheave, the other end is fixedly connected with the centrifugal fender guard that turning cylinder is stopped operating, on the described rope sheave at least around volume have one the circle more than steel rope, steel rope two ends and ground or fixed buildings are strained and fixed; Described centrifugal fender guard comprises and is fixedly connected on the shaft seat upper cover, the capping inwall has ratchet Ka Tai, have pawl seat to captive joint in the capping cavity, be movably installed with two left and right sides ratchets that the position is relative on the pawl seat with turning cylinder, about be connected with extension spring between two ratchets; Left and right sides two bearings is installed between described shaft seat and the turning cylinder; Use key to be connected between described rope sheave and the turning cylinder; Use key to be connected between described pawl seat and the turning cylinder.
The invention has the beneficial effects as follows: when cable wire carries out dipping and heaving with cage; rope belt running rope wheel rotates; and under the transmission of turning cylinder, make centrifugal fender guard and rope sheave realize rotating synchronously; and the cable wire on being connected cage fractures or cage when the slide situation takes place down; centrifugal fender guard starts immediately stops operating turning cylinder; and the rope sheave of the turning cylinder other end also will stop operating; the situation that friction force between it and the steel rope has effectively avoided cage to fall takes place; this apparatus structure is simple; easy for installation; safe and reliable, and can be widely used on the elevator that the building operation of any kind uses.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present invention;
Fig. 2 is a birds-eye view of the present invention;
Fig. 3 is the B-B cut-away view of Fig. 2;
Fig. 4 is a running condition scheme drawing of the present invention;
Fig. 5 is the A-A cut-away view of Fig. 1;
Fig. 6 is Fig. 5 operational structures scheme drawing;
Fig. 7 is second kind of frame mode of centrifugal fender guard;
Fig. 8 is the third frame mode of centrifugal fender guard.
The specific embodiment
With reference to Fig. 1, Fig. 2, Fig. 3; a kind of fall-preventing protection device for lift as shown in the figure; comprise shaft seat 1; support of connection 14 and elevator cage 12 bolted connections are arranged on the shaft seat 1; turning cylinder 2 is installed in the shaft seat 1, and turning cylinder 2 one ends are fixedly connected with rope sheave 3, and the other end is fixedly connected with the centrifugal fender guard 4 that turning cylinder 2 is stopped operating; on the described rope sheave 3 at least around volume have one the circle more than steel rope 5, steel rope 5 two ends are strained and fixed by back-moving spring 16 on the ground.
With reference to Fig. 4; as shown in the figure be running condition scheme drawing of the present invention; ground motor 15 carries out dipping and heaving by cable wire 13 with cage 12; this moment, steel rope 5 drive rope sheaves 3 rotated; and under the transmission of turning cylinder 2, make centrifugal fender guard 4 and rope sheave 3 realize rotating synchronously; and the cable wire 13 on being connected cage 12 fractures or cage 12 when the slide situation takes place down; centrifugal fender guard 4 starts immediately stops operating turning cylinder 2; and the rope sheave 3 of turning cylinder 2 other ends also will stop operating; the situation that friction force between it and the steel rope 5 has effectively avoided cage 12 to fall takes place; the present invention not only uses at the cable type elevator, also can be widely used on the elevator that the building operation of other types such as guide tracked or gear type uses.
With reference to Fig. 5, as shown in the figure be centrifugal device structural representation of the present invention, centrifugal fender guard 4 comprises and is fixedly connected on shaft seat 1 upper cover 6, capping 6 inwalls have ratchet card platform 61, there is pawl seat 7 to captive joint in capping 6 cavitys with turning cylinder 2, be movably installed with two left and right sides ratchets 8,81 that the position is relative on the pawl seat 7, about be connected with extension spring 9 between two ratchets 8,81; Its operation principles is: when elevator falls or slip down, because the velocity of rotation of turning cylinder 2 is too high, under action of centrifugal force, make extension spring 9 elongations, left and right sides ratchet 8,81 on the pawl seat 7 outwards launches, when running into the ratchet card platform 61 of capping 6 inwalls, ratchet and ratchet Ka Tai hold out against mutually, thereby turning cylinder 2 is stopped operating, and see Fig. 6.
The purpose of the centrifugal fender guard 4 that the present invention uses is that turning cylinder 2 is stopped operating; so its structure can be common engaging and disengaging gear; thereby its version can be varied; as on capping 6 inwalls, being provided with internal tooth 62; there is base 17 to captive joint in the capping 6 with turning cylinder 2; be movably installed with several tooth pieces 18 on the base 17; internal tooth 62 on the tooth piece 18 on teeth and capping 6 inwalls cooperatively interacts; there is spring 19 to link to each other mutually between the tooth piece 18; see Fig. 7; its operation principles is: when the velocity of rotation of turning cylinder 2 is too high; make spring 19 elongations under the action of centrifugal force; tooth piece 18 on the base 17 outwards moves, when with capping 6 inwalls on internal tooth 62 when being meshing with each other, turning cylinder 2 just stops operating.Perhaps adopt on capping 6 inwalls and be provided with internal tooth 62; there is base 20 to captive joint in the capping 6 with turning cylinder 2; movable several tooth pieces 18 of installing on the base 20; internal tooth 62 on the tooth piece 18 on teeth and capping 6 inwalls cooperatively interacts; be connected with wind spring 21 between base 20 and the tooth piece 18; see Fig. 8; its operation principles is: when the velocity of rotation of turning cylinder 2 is too high; wind spring 21 is outwards expanded; thereby promoting tooth piece 18 outwards moves; when with capping 6 inwalls on internal tooth 62 when being meshing with each other; just can realize the purpose that turning cylinder 2 just stops operating; no matter thereby use which kind of mode, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.But two kinds of above-mentioned centrifugal fender guards have all adopted the gear type cooperation, and the shortcoming that gear type cooperates is teeth possible occur can't realize the ingear situation relatively, thereby causes failure of apparatus.
The present invention for make turning cylinder 2 in shaft seat 1, rotate balance and smooth and easy more, left and right sides two bearings 10,11 is installed between them; Turning cylinder 2 uses key to be connected respectively with between rope sheave 3 and the pawl seat 7, and the use of key bonded assembly not only helps the transmission of power but also is convenient to installation and replacing between the part.
The present invention adopts the centnifugal force that turning cylinder 2 produces and realizes the hoist falling-proof effect; so even if the cable wire 13 that is connected on the cage 12 does not fracture; and the situation of slide down takes place in cage 12; the rotating speed of turning cylinder 2 is too high also can to make centrifugal fender guard 4 start; because this apparatus structure is simple, easy for installation and safe and reliable, thereby can be widely used on the elevator of building operation.
Claims (5)
1. fall-preventing protection device for lift; it is characterized in that comprising the shaft seat (1) that is fixedly connected on the elevator cage (12); in shaft seat (1) cavity turning cylinder (2) is installed; turning cylinder (2) one ends are fixedly connected with rope sheave (3); the other end is fixedly connected with the centrifugal fender guard (4) that turning cylinder (2) is stopped operating; on the described rope sheave (3) at least around volume have one the circle more than steel rope (5), steel rope (5) two ends and ground or fixed buildings are strained and fixed.
2. a kind of fall-preventing protection device for lift according to claim 1; it is characterized in that described centrifugal fender guard (4) comprises is fixedly connected on shaft seat (1) upper cover (6); capping (6) inwall has ratchet Ka Tai (61); there is pawl seat (7) to captive joint in capping (6) cavity with turning cylinder (2); be movably installed with two left and right sides ratchets (8,81) that the position is relative on the pawl seat (7), about be connected with extension spring (9) between two ratchets (8,81).
3. a kind of fall-preventing protection device for lift according to claim 1 is characterized in that being equipped with between described shaft seat (1) and the turning cylinder (2) left and right sides two bearings (10,11).
4. a kind of fall-preventing protection device for lift according to claim 1 is characterized in that using between described rope sheave (3) and the turning cylinder (2) key to be connected.
5. a kind of fall-preventing protection device for lift according to claim 2 is characterized in that using between described pawl seat (7) and the turning cylinder (2) key to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152778A CN1308214C (en) | 2004-01-31 | 2004-01-31 | Fall-preventing protection device for lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100152778A CN1308214C (en) | 2004-01-31 | 2004-01-31 | Fall-preventing protection device for lift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557691A true CN1557691A (en) | 2004-12-29 |
| CN1308214C CN1308214C (en) | 2007-04-04 |
Family
ID=34351395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100152778A Expired - Fee Related CN1308214C (en) | 2004-01-31 | 2004-01-31 | Fall-preventing protection device for lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1308214C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434909A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Speed limiting trigger |
| CN108677487A (en) * | 2018-08-08 | 2018-10-19 | 广东好太太科技集团股份有限公司 | A kind of clothes airing machine with safety protection function |
| CN110436296A (en) * | 2018-05-02 | 2019-11-12 | 陕西小溪机电科技有限公司 | A kind of towed elevator emergency braking limiter of speed |
| CN112265893A (en) * | 2020-11-16 | 2021-01-26 | 江苏中宝龙工程机械有限公司 | Construction elevator cage is with safe auxiliary structure |
| CN112691354A (en) * | 2020-12-14 | 2021-04-23 | 张金凤 | Recovered slope formula climbing training ware of four limbs coordination function of illness earlier for paediatrics children |
| CN113023521A (en) * | 2021-03-08 | 2021-06-25 | 中建三局集团有限公司 | Safety anti-falling device suitable for multi-car circulating running elevator and implementation method |
| CN113520751A (en) * | 2021-08-06 | 2021-10-22 | 温州市人民医院 | Recovered patient of department of respiration is with bedside mobile device |
| CN115398150A (en) * | 2022-07-28 | 2022-11-25 | 深圳亚锐光电科技有限公司 | Lifting device and lighting equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029465C (en) * | 1986-01-26 | 1995-08-09 | 仲建元 | Double crossed frame type man-carrying elevator |
| CN2064355U (en) * | 1990-01-23 | 1990-10-24 | 仲建元 | Droping-proof system of hoisting machine |
| US5310022A (en) * | 1992-03-20 | 1994-05-10 | Otis Elevator Company | Mechanical overspeed safety device |
| CN2306218Y (en) * | 1996-01-02 | 1999-02-03 | 王远洪 | Down-pulling crane capable of carrying person for construction |
| JP4437574B2 (en) * | 1999-10-05 | 2010-03-24 | 三菱電機株式会社 | Elevator governor |
| CN2568605Y (en) * | 2002-08-27 | 2003-08-27 | 刘兰珍 | Speed limiter of elevator |
| CN2679118Y (en) * | 2004-02-02 | 2005-02-16 | 谭锦泉 | Anti-dropping protector of lifter |
-
2004
- 2004-01-31 CN CNB2004100152778A patent/CN1308214C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434909A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Speed limiting trigger |
| CN110436296A (en) * | 2018-05-02 | 2019-11-12 | 陕西小溪机电科技有限公司 | A kind of towed elevator emergency braking limiter of speed |
| CN108677487A (en) * | 2018-08-08 | 2018-10-19 | 广东好太太科技集团股份有限公司 | A kind of clothes airing machine with safety protection function |
| CN112265893A (en) * | 2020-11-16 | 2021-01-26 | 江苏中宝龙工程机械有限公司 | Construction elevator cage is with safe auxiliary structure |
| CN112691354A (en) * | 2020-12-14 | 2021-04-23 | 张金凤 | Recovered slope formula climbing training ware of four limbs coordination function of illness earlier for paediatrics children |
| CN113023521A (en) * | 2021-03-08 | 2021-06-25 | 中建三局集团有限公司 | Safety anti-falling device suitable for multi-car circulating running elevator and implementation method |
| CN113520751A (en) * | 2021-08-06 | 2021-10-22 | 温州市人民医院 | Recovered patient of department of respiration is with bedside mobile device |
| CN113520751B (en) * | 2021-08-06 | 2023-03-03 | 温州市人民医院 | Department of respiration rehabilitation patient uses bedside mobile device |
| CN115398150A (en) * | 2022-07-28 | 2022-11-25 | 深圳亚锐光电科技有限公司 | Lifting device and lighting equipment |
| WO2024020930A1 (en) * | 2022-07-28 | 2024-02-01 | 深圳亚锐光电科技有限公司 | Lifting apparatus and lighting device |
| CN115398150B (en) * | 2022-07-28 | 2024-09-03 | 深圳亚锐光电科技有限公司 | Lifting device and lighting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1308214C (en) | 2007-04-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20070404 Termination date: 20100131 |