CN101301976B - Integrated security device of elevator - Google Patents
Integrated security device of elevator Download PDFInfo
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- CN101301976B CN101301976B CN200810062859XA CN200810062859A CN101301976B CN 101301976 B CN101301976 B CN 101301976B CN 200810062859X A CN200810062859X A CN 200810062859XA CN 200810062859 A CN200810062859 A CN 200810062859A CN 101301976 B CN101301976 B CN 101301976B
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Abstract
The invention discloses an elevator-integrated safety device, including a shell (2), a base plate (1), a guiding device and a safety gear device respectively mounted on the upper and lower of the base plate (1), as well as a lifting rod (14) which connects the guiding device and the safety gear device; wherein the guiding device includes three guiding rollers (3.1), (3.2) and (3.3) respectively arranged at a guiding surface of an elevator guide rail, a ratchet wheel (11), a claw (8), a spring (6, 9), a limit lever (10.1, 10.2), interlocking bar (12) for a centrifugal mechanism and a heavy block (13) are arranged on at least one the guiding rollers (3.1), (3.2). As an ideal elevator guidance and over-speed protection device, the elevator-integrated safety device of the invention has scientific and reasonable design, compact structure, largely saved well space, convenient site installation and debugging, simple maintenance, low manufacturing cost and safe and reliable use.
Description
Technical field:
The present invention relates to a kind of integrated security device of elevator, is a kind ofly to collect velocity limiter, safety tongs, lead security functions such as boots in holistic device, has the guiding and the overspeed protection function of lift car.
Background technology:
The car of elevator comprises the elevator of manned or loading, and the up operation of guide rail in the elevator hoistways need be provided with guide piece; Requirement by standard GB 7588 " elevator manufacturing and installation safety standard ": " car should be equipped with the safety tongs that can move when descending ", " safety tongs should be able to clamp guide rail and make the car stop that nominal payload is housed and keep quiescence " promptly should establish safety device on car.The safety device that present elevator industry generally adopts comprises: overspeed preventer device, safety tongs, safety tongs pulling apparatus, the guide piece of employing is to lead boots.Wherein lead the upper and lower side that boots are installed in car usually, contact with guide rail; Overspeed preventer device wherein is made of velocity limiter, steel rope, swelling device, velocity limiter and swelling device are installed in the top and the bottom of elevator hoistways respectively, connect and the fag end of steel rope is connected to the safety tongs pulling apparatus that is installed on the car by steel rope, the safety tongs pulling apparatus is installed on car top or bottom, and its pull bar is connected to the safety tongs that is installed in the car bottom along the car both sides.Velocity limiter action when elevator overspeed drives the action of safety tongs pulling apparatus by steel rope, and pulling apparatus makes safety tongs action, stop car.
The elevator industry is generally used above-mentioned technology at present both at home and abroad, exist significant disadvantages to be: the formation of prior art is the parts by a plurality of dispersed placement, it not only need leave enough installing spaces at hoistway and machine room, makes steel rope in the overspeed preventer device, expansion tightening wheel circulating motion and does not collide with elevator components; And the installation of velocity limiter, swelling device, steel rope and adjustment, speed limiter wire rope is connected and adjustment with shift mechanism, shift mechanism is connected and adjustment with safety tongs, and these work complexity, manufacturing and Installation and Debugging work capacity are big and complicated, technical risk is big, cost is high.
Chinese patent is not found same as the prior art with similar invention by retrieval.
Summary of the invention:
Purpose of the present invention is to fill up the blank of prior art; a kind of integrated security device of elevator is provided; a place or two places with the integrated layout lift car of the parts of a plurality of dispersed placement bottom; have velocity limiter, safety tongs and safety tongs shift mechanism, the guiding of leading boots and overspeed protection function; save speed limiter wire rope, velocity limiter swelling device and safety tongs shift mechanism, also need in hoistway and machine room, not stay installing space.
The present invention for the technical scheme that problem provided that solves the prior art existence is: a kind of integrated security device of elevator; the collection velocity limiter, leading boots, safety tongs and safe guide piece, to count function be an one-piece construction; be arranged in the bottom of lift car; realize the guiding and the overspeed protection function of elevator operation; it comprises
Guide piece, described guide piece generally are made up of three rollers, and the outer rim of each roller is close to three spigot surfaces that are arranged in cage guide respectively, along guide rail spigot surface scroll-up/down, play the directional tagging of elevator,
Safety tongs device, described safety tongs device comprises safety tongs and lifting rod, and lifting rod is connected between ratchet and the safety tongs, and lifting rod can make safety tongs clamp guide rail and make stop elevator when spurring certain stroke, and described lifting rod is bending shape bar or tooth bar.
One shell and a substrate, substrate is for installation and fixed guide and safety tongs device.
Three rollers are to be respectively first roller, second roller, the 3rd roller that is arranged on the cage guide guiding face, first roller, second roller are furnished with ratchet, two centrifugal block mechanisms, claw, electric switch, first spring, second spring, first position-limited lever, second position-limited lever, centrifugal mechanism gangbar and pouring weight at least one; Wherein,
Described centrifugal mechanism gangbar connects two centrifugal block mechanisms, make two centrifugal block mechanism interlocks, two centrifugal block mechanisms rotate with the roller that it was installed with, described ratchet and the coaxial setting of its roller that is installed with, when centrifugal block mechanism touched claw, an end of claw inserted in the race of ratchet.
As a kind of preferred version, described first roller, second roller are arranged in the spigot surface of guide rail both sides, and described the 3rd roller is arranged in the front spigot surface of guide rail.
As a kind of preferred version, described first spring arrangement is between first position-limited lever and centrifugal block mechanism.
As a kind of preferred version, described second spring arrangement is between the claw and second position-limited lever.
As a kind of preferred version, described centrifugal mechanism gangbar is a connecting rod mechanism.
As a kind of preferred version, described lifting rod is a bending shape bar, and one end spiral shell is solid on the top of safety tongs, and the other end is connected with ratchet;
Perhaps described lifting rod is a tooth bar, and one end spiral shell is solid on the top of safety tongs, and the other end is tooth bar shape with ratchet and cooperates.
The present invention compared with prior art; has following good effect: integrated velocity limiter; lead boots; safety tongs and steel rope; velocity limiter swelling device several functionalities is in one; have guiding and overspeed protection function to lift car; be installed in the bottom of lift car; steel rope has been saved in this design; the velocity limiter swelling device; several multiple component set becoming single unit systems with former dispersion; specific design is scientific and reasonable; compact conformation; greatly between hoistway space; the manufacturing and on-site installation debugging are very convenient; safeguard simple; with low cost; each lift car uses one; two table apparatus just can independently be finished the guiding and the overspeed protection function of elevator; the present invention contriver successfully tests; it is convenient to have installation; safe and reliable; be perfect elevator guiding of a kind of ideal and safety device, it has filled up the blank of prior art.
Description of drawings
Fig. 1 looks scheme drawing for the master of the embodiment of the invention 1.
Fig. 2 looks scheme drawing for the master of the embodiment of the invention 2.
Fig. 3 is the another kind of embodiment scheme drawing of part 14 among Fig. 1.
Identify among the figure: 1, substrate, 2, shell, 3.1, first roller, 3.2, second roller, 3.3 the 3rd rollers, 4, guide rail, 5, electric switch, 6, first spring, 7, centrifugal block mechanism, 8, claw, 9, second spring, 10.1, first position-limited lever, 10.2, second position-limited lever, 11, ratchet, 12, the centrifugal mechanism gangbar, 13, pouring weight, 14, lifting rod, 15, safety tongs.
The specific embodiment:
Further describe technology contents of the present invention and embodiment below in conjunction with accompanying drawing.But accompanying drawing of the present invention and accompanying drawing sign and embodiment only show it is best mode of the present invention, can not regard restriction of the present invention as.
Accompanying drawing 1 expression most preferred embodiment of the present invention; integrated security device of elevator of the present invention is described with reference to the accompanying drawings; be a kind of set velocity limiter function, lead boots and the safety tongs function is an one-piece construction; former steel rope and velocity limiter have been saved; device can be the 1-2 platform, is arranged in the bottom of lift car, realizes the guiding and the overspeed protection of elevator operation; it comprises
Guide piece, described guide piece is made up of three rollers, first roller 3.1, second roller 3.2 and the 3rd roller 3.3, and the outer rim of each roller is close to three spigot surfaces that are arranged in cage guide 4 respectively, along guide rail spigot surface scroll-up/down, play the directional tagging of elevator
Safety tongs device, described safety tongs device comprises safety tongs 15 and lifting rod 14, one end of lifting rod and safety tongs top spiral shell are solid, the other end is connected with ratchet 11, can make safety tongs clamp guide rail during the certain stroke of lifting rod 14 pulling and make stop elevator, described lifting rod 14 is bending shape bar or tooth bar.
One shell, 2 covers protect the part parts at this device,
One substrate 1 is for installation and fixed guide and safety tongs device.
Described first roller 3.1, second roller 3.2 are close to the spigot surface that is arranged in guide rail 4 both sides, and described the 3rd roller 3.3 is arranged in the front spigot surface of guide rail 4.
Respectively be provided with on described first roller 3.1, second roller 3.2: electric switch 5, first spring 6 and second spring 9, two centrifugal block mechanisms 7, claw 8, first position-limited lever 10.1 and second position-limited lever 10.2, centrifugal mechanism gangbar 12, a ratchet 11, wherein: the ratchet 11 and first roller 3.1 and second roller 3.2 are coaxial arrangement.
Described first spring 6 is arranged between first position-limited lever 10.1 and the centrifugal block mechanism 7.
Described second spring 9 is arranged between the claw 8 and second position-limited lever 10.2.
Described centrifugal mechanism gangbar 12 is a connecting rod mechanism, connects a centrifugal block mechanism 7, makes two centrifugal block mechanism 7 interlocks.
Described guide piece is fixed on the top of substrate 1, and described safety tongs 15 dresses are solid below substrate 1, is connected by lifting rod 14 between described guide piece and safety tongs 15.
Described lifting rod 14 is bending shape bar, and one end spiral shell is solid, and the other end is connected with ratchet 11 on the top of safety tongs 15, and common lifting rod 14 is a two-fold bending Metallic rod.
Accompanying drawing 2 expression be an electric switch 5, first spring 6 and second spring 9, two centrifugal block mechanisms 7, claw 8, first position-limited lever 10.1 and second position-limited lever 10.2, centrifuge gangbar 12, a mechanism such as ratchet 11 not to be installed at second roller 3.2, expression can realize equally to the guiding of lift car and overspeed protection function.
Accompanying drawing 3 expression be the structure of lifting rod 14 when being designed to tooth bar shape, an end spiral shell of tooth bar is solid, and the other end is tooth bar shape with ratchet 11 and cooperates on the top of safety tongs 15, other mechanisms duplicate in attached Fig. 1 and 2, the present invention introduces no longer in detail.
The present invention provides the using method of above-mentioned various integrated security device of elevator simultaneously, when elevator moves, first roller 3.1, second roller 3.2 and the 3rd roller 3.3 roll along three faces of guide rail 4 respectively, centrifugal block mechanism 7 rotates with roller, and ratchet 11 is quiescence when normally moving; When elevator overspeed, the pulling force that centnifugal force makes centrifugal block mechanism 7 overcome first spring 6 throws away, and touches the deceleration or the stop of electric switch 5 control elevators; And when elevator speed further increases, centrifugal block mechanism 7 throws away gradually, touching claw 8 makes claw overcome the pulling force rotation of second spring 9, claw one end inserts in the race of ratchet 11, drives ratchet and rotates, and the lifting rod 14 on the ratchet is upwards mentioned, spurred safety tongs lifting rod 14, clamp cage guide 4, make the car stop on guide rail, wherein:
On the described ratchet 11 because of being provided with reseting spring device, when elevator overspeed to this device action stop elevator car, by making lift car upwards promote suitable stroke, spring installation can make ratchet 11 revolutions reset, lifting rod 14 drives safety tongs and resets, centrifugal block mechanism 7 and claw 8 reset under the effect of first spring 6 and second spring 9 respectively, and whole device recovers normal working.
Design feature of the present invention is:
1, with a kind of function that realizes elevator guiding and overspeed protection of installing.
2, guide piece is a roller type, and roller rolls along the spigot surface of cage guide, and the reflection elevator speed is equipped with centrifugal mechanism, ratchet at least one roller, and during elevator overspeed, the centrifugal mechanism action triggers electric switch; When speed further increases, can touch claw, ratchet is rotated.
3, the pulling of the ratchet rotation energy on guide piece safety tongs action is parked on the guide rail safety tongs.
Arbitrary embodiment of above-mentioned accompanying drawing, but do not limit above-mentioned mode, all can obtain desirable elevator integral type elevator car safety, it can be according to the quantity of the columns and the flexible selecting arrangement of actual needs of cage guide, work is carried out at inboard or other positions of mounting arrangements square guide rail under lift car simultaneously easily.
The present invention only is described in detail with regard to a most preferred embodiment of the present invention; but can not be interpreted as restriction to other modes of the invention process; everyly further improve and similar or identical scheme on basis of the present invention, all being considered as is the scope that the present invention asks for protection.
Claims (6)
1. integrated security device of elevator, the bottom that it is arranged in lift car is characterized in that, comprising: safety tongs device, and the lifting rod (14) that connects guide piece and safety tongs device;
Described guide piece comprises three rollers, three rollers are respectively first roller (3.1), second roller (3.2), the 3rd roller (3.3) that is arranged on the cage guide guiding face, and first roller (3.1), second roller (3.2) are furnished with ratchet (11), two centrifugal block mechanisms (7), claw (8), electric switch (5), first spring (6), second spring (9), first position-limited lever (10.1), second position-limited lever (10.2), centrifugal mechanism gangbar (12) and pouring weight (13) at least one; Wherein,
Described centrifugal mechanism gangbar (12) connects two centrifugal block mechanisms (7), make two centrifugal block mechanisms (7) interlock, two centrifugal block mechanisms (7) rotate with the roller that it was installed with, described ratchet and the coaxial setting of its roller that is installed with, when centrifugal block mechanism touched claw, an end of claw (8) inserted in the race of ratchet (11).
2. integrated security device of elevator according to claim 1, its feature is being: described first roller (3.1), second roller (3.2) are arranged in the spigot surface of guide rail (4) both sides, and described the 3rd roller (3.3) is arranged in the front spigot surface of guide rail (4).
3. integrated security device of elevator according to claim 1, its feature is being: described first spring (6) is arranged between first position-limited lever (10.1) and the centrifugal block mechanism (7).
4. integrated security device of elevator according to claim 1, its feature is being: described second spring (9) is arranged between claw (8) and second position-limited lever (10.2).
5. integrated security device of elevator according to claim 1, its feature is being: described centrifugal mechanism gangbar (12) is a connecting rod mechanism.
6. integrated security device of elevator according to claim 1, its feature is being: described lifting rod (14) is a bending shape bar, and one end spiral shell is solid on the top of safety tongs (15), and the other end is connected with ratchet (11);
Perhaps described lifting rod (14) is a tooth bar, and one end spiral shell is solid on the top of safety tongs (15), and the other end is tooth bar shape with ratchet (11) and cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810062859XA CN101301976B (en) | 2008-07-07 | 2008-07-07 | Integrated security device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810062859XA CN101301976B (en) | 2008-07-07 | 2008-07-07 | Integrated security device of elevator |
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| CN101301976A CN101301976A (en) | 2008-11-12 |
| CN101301976B true CN101301976B (en) | 2011-06-29 |
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| CN200810062859XA Active CN101301976B (en) | 2008-07-07 | 2008-07-07 | Integrated security device of elevator |
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Families Citing this family (26)
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| JP2010260677A (en) * | 2009-05-01 | 2010-11-18 | Toshiba Elevator Co Ltd | Magnetic guide device |
| CN101607655B (en) * | 2009-07-24 | 2012-04-11 | 沈皆乐 | Self-help lift safety gear |
| CN102514996A (en) * | 2011-12-30 | 2012-06-27 | 江南嘉捷电梯股份有限公司 | Elevator speed limiting device |
| CN102602770B (en) * | 2012-03-21 | 2013-09-18 | 希姆斯电梯(中国)有限公司 | Overspeed protection mechanism for assisting ladder |
| CN103626004A (en) * | 2012-08-28 | 2014-03-12 | 李文嫄 | Fall protection device of lifting elevator |
| CN102992134B (en) * | 2012-12-05 | 2014-08-20 | 江南嘉捷电梯股份有限公司 | Protection device using guide pulley on lift |
| CN103086226B (en) * | 2013-01-28 | 2015-05-27 | 东南电梯股份有限公司 | Lifting equipment speed measurement braking safety system |
| CN103175708B (en) * | 2013-04-11 | 2015-06-03 | 中国特种设备检测研究院 | Elevator descending testing system |
| CN103253575A (en) * | 2013-05-29 | 2013-08-21 | 江南嘉捷电梯股份有限公司 | Lift car frame speed limiting device |
| CN105197719A (en) * | 2014-08-13 | 2015-12-30 | 爱默生电梯有限公司 | Safety tongs and use method thereof |
| CN104803254B (en) * | 2015-05-20 | 2017-03-15 | 南通中尧特雷卡电梯产品有限公司 | A kind of mechanical type elevator shock-absorbing device |
| CN106429698A (en) * | 2016-10-27 | 2017-02-22 | 宜春市特种设备监督检验中心 | Over-speed protection device for elevator |
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| CN109775507B (en) * | 2019-03-14 | 2020-10-16 | 日立电梯（中国）有限公司 | Elevator, overspeed protection system and trigger device thereof |
| CN110002320B (en) * | 2019-05-16 | 2024-03-01 | 福建工程学院 | Simple elevator overspeed self-locking guide shoe mechanism |
| CN110104521A (en) * | 2019-05-27 | 2019-08-09 | 新疆天山电梯制造有限公司 | A kind of New Speed Limiter of no expansion tightening wheel |
| CN110182665B (en) * | 2019-06-18 | 2024-04-02 | 广州广日电梯工业有限公司 | Speed limiting protection device, elevator and method thereof |
| CN111332899B (en) * | 2020-03-17 | 2024-01-05 | 龙闯智能科技(浙江)有限公司 | Safety braking device of elevator |
| CN114074874B (en) * | 2020-08-17 | 2023-05-16 | 湖南大举信息科技有限公司 | Safety device for multi-car parallel elevator |
| CN114249203A (en) * | 2020-09-24 | 2022-03-29 | 湖南大举信息科技有限公司 | Safety protection device for multi-car parallel elevator |
| CN112478977B (en) * | 2020-11-26 | 2022-04-26 | 广州广日电梯工业有限公司 | Diversion sheave and elevator of two-way speed limit |
| CN113371572B (en) * | 2021-05-31 | 2022-08-12 | 张家港鑫菱机械有限公司 | Elevator guide rail with connecting part made of flexible material |
| CN114291686B (en) * | 2021-12-29 | 2024-05-14 | 镇江朝阳机电科技有限公司 | Elevator safety braking device |
| CN114314240A (en) * | 2022-01-10 | 2022-04-12 | 镇江朝阳机电科技有限公司 | Elevator speed regulator |
| CN115072518A (en) * | 2022-06-16 | 2022-09-20 | 常熟理工学院 | Cordless speed-limiting safety tongs |
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2008
- 2008-07-07 CN CN200810062859XA patent/CN101301976B/en active Active
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Address after: 310000 No.28, Jiuhuan Road, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Otis Electrical Elevator Co., Ltd. Address before: 310003, No. 28, nine Ring Road, Jianggan Economic Zone, Zhejiang, Jianggan District, Hangzhou Patentee before: Xizi Otis Elevator Co., Ltd. |