CN102367129A - Combined type overspeed protective device for elevator - Google Patents
Combined type overspeed protective device for elevator Download PDFInfo
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- CN102367129A CN102367129A CN2011102901920A CN201110290192A CN102367129A CN 102367129 A CN102367129 A CN 102367129A CN 2011102901920 A CN2011102901920 A CN 2011102901920A CN 201110290192 A CN201110290192 A CN 201110290192A CN 102367129 A CN102367129 A CN 102367129A
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- elevator
- lifting rod
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Abstract
The invention relates to the technical field of an elevator, and particularly relates to a combined type overspeed protective device for the elevator. The combined type overspeed protective device comprises a shell, an overspeed actuation mechanism, a safety tongs mechanism, a drag link mechanism, and a micro-switch electrically connected to a safety loop of the elevator, wherein the shell is fixedly arranged at a cage bottom of the elevator; the overspeed actuation mechanism comprises a chassis, a pressing spring, a speed-limiting wheel, a centrifugal hammer and a limiting element; the centrifugal hammer does a circular motion under the driving of the speed-limiting wheel; the limiting element is used for stopping the speed-limiting wheel; the safety tongs mechanism comprises an U-shaped elastic mounting base, a first wedge block, a second wedge block and two pressing blocks; and the pressing blocks are provided with wedge slots. In the combined type overspeed protective device for the elevator with such a structure, a safety mechanism is integrated with the overspeed actuation mechanism, thereby greatly reducing failure rate, reducing manufacturing and mounting costs and causing the maintaining and mounting to be easier.
Description
Technical field:
The present invention relates to the elevator technology field, relate in particular to a kind of elevator combined type overspeed protection device.
Background technology:
Elevator be a kind of be the vertical conveyor of power with the electrical motor, case shape gondola is housed, be used for tier building and take advantage of people or carrying goods.Elevator is as the transport facility of vertical direction, become important Architectural Equipment in skyscraper and public place and indispensable.The development of Along with computer technology, automatic technology and Power Electronic Technique, modem elevator have become the representative type electromechanical integrated product.Raising along with whole national economy strength; The people's personal consumption level rises appreciably; The real estate developer releases medium-to-high grade little high level and high-rise residential building one after another energetically, has driven increasing rapidly of residential lift, becomes the main growth point in whole elevator market.
Existing elevator; Its velocity limiter and safety tongs separate, and velocity limiter is installed on machine room, and safety tongs is installed on the sedan-chair frame; Also need over-speed governor tensioning apparatus be installed, velocity limiter, safety tongs and over-speed governor tensioning apparatus be linked together through speed limiter wire rope at pit.Because floor is when too high, speed limiter wire rope is long and occur the difficult installation phenomenon lax with speed limiter wire rope easily, and fault rate is higher, makes with cost of installation higherly, and repair and maintenance also compare difficult.
Summary of the invention:
The objective of the invention is to be directed against the deficiency of prior art and a kind of elevator combined type overspeed protection device is provided, can reduce fault rate greatly, reduce and make and cost of installation, make repair and maintenance easier with installation.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of elevator combined type overspeed protection device, it comprises housing, hypervelocity actuating mechanism, safety tongs mechanism, lifting rod mechanism, and the micro-switch that is electrically connected with elevator safety loop, said housing is fixedly installed at the bottom of the sedan-chair of elevator;
Said hypervelocity actuating mechanism comprises underframe, holddown spring, speed limited wheel, the centrifugal hammer that under speed limited wheel drives, moves in a circle, and the locating part that is used for the stop speed limited wheel; Said underframe is fixedly installed in said housing bottom, and said speed limited wheel is rotationally connected with said underframe, and said holddown spring compresses said speed limited wheel, and speed limited wheel compresses down at holddown spring and contacts with cage guide; Said centrifugal hammer is provided with makes bar, and said locating part is connected with lifting rod mechanism, and when the centrifugal hammer drive was made bar and beaten to locating part, locating part spurred the lifting rod mechanism action, touches said micro-switch during the lifting rod mechanism action;
Said safety tongs mechanism comprises U type elastomeric mounting seat, voussoir one, two, two briquettings of voussoir, and briquetting is provided with the wedge type groove; Said U type elastomeric mounting seat is fixedly installed in said housing through bolt assembly; Two briquettings are arranged at the left and right sides in the U type elastomeric mounting seat; The setting that is complementary of the wedge type groove of said voussoir two and the briquetting on right side; The setting that is complementary of the wedge type groove of said voussoir one and the briquetting in left side, said lifting rod mechanism connects said voussoir one.
Said lifting rod mechanism comprises pull bar, connecting rod, rotating shaft, curved bar and lifting rod; Said rotating shaft is rotated and is arranged at housing top, and connecting rod is fixedly set in an end of rotating shaft, and curved bar is fixedly set in the middle part of rotating shaft; Said pull bar upper end and rod hinge connection, pull bar lower end and locating part coupling are provided with; The upper end of said curved bar and lifting rod is hinged, and lifting rod connects said voussoir one.
Bull stick one and middle bull stick two in the middle of said lifting rod mechanism also comprises, said curved bar and middle bull stick one are hinged, and middle bull stick one is hinged with middle bull stick two, and the upper end of middle bull stick two and lifting rod is hinged.
Said housing is provided with orienting sleeve, and said pull bar wears said orienting sleeve.
Said safety tongs mechanism also comprises the elastic compression element, and said voussoir two connects the briquetting in said left side through the elastic compression element.
The clamping surface of said voussoir one and voussoir two is provided with the tooth line.
Beneficial effect of the present invention is:
A kind of elevator combined type overspeed protection device according to the invention, it comprises housing, hypervelocity actuating mechanism, safety tongs mechanism, lifting rod mechanism, and the micro-switch that is electrically connected with elevator safety loop, said housing is fixedly installed at the bottom of the sedan-chair of elevator; Said hypervelocity actuating mechanism comprises underframe, holddown spring, speed limited wheel, the centrifugal hammer that under speed limited wheel drives, moves in a circle; And the said safety tongs of the locating part that is used for stop speed limited wheel mechanism comprises U type elastomeric mounting seat, voussoir one, voussoir two; Two briquettings, briquetting is provided with the wedge type groove; Adopt a kind of elevator combined type overspeed protection device of said structure, safety gear and hypervelocity actuating mechanism are integrated, can reduce fault rate greatly, reduce and make and cost of installation, make repair and maintenance easier with installation.
Description of drawings:
Fig. 1 is a front schematic view of the present invention;
Fig. 2 is a side schematic view of the present invention.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is further described:
As depicted in figs. 1 and 2; A kind of elevator combined type overspeed protection device of the present invention; Its structure is that it comprises housing 4, hypervelocity actuating mechanism 3, safety tongs mechanism 5, lifting rod mechanism 6; And the micro-switch 8 that is electrically connected with elevator safety loop, said housing 4 is fixedly installed at the bottom of the sedan-chair of elevator 1; Said hypervelocity actuating mechanism 3 comprises underframe 7, holddown spring 32, speed limited wheel 30, the centrifugal hammer 31 that under speed limited wheel 30 drives, moves in a circle, and the locating part 33 that is used for stop speed limited wheel 30; Said underframe 7 is fixedly installed in said housing 4 bottoms, and said speed limited wheel 30 is rotationally connected with said underframe 7, and said holddown spring 32 compresses said speed limited wheel 30, and speed limited wheel 30 compresses down at holddown spring 32 and contacts with cage guide 2; Said centrifugal hammer 31 is provided with makes bar, and said locating part 33 is connected with lifting rod mechanism 6, and when centrifugal hammer 31 drives when making bar and beating to locating part 33, locating part 33 spurs lifting rod mechanisms 6 and moves, and lifting rod mechanism 6 touches said micro-switch 8 when moving; Said safety tongs mechanism 5 comprises U type elastomeric mounting seat 50, voussoir 1,2 53, two briquettings 51 of voussoir, and briquetting 51 is provided with the wedge type groove; Said U type elastomeric mounting seat 50 is fixedly installed in said housing 4 through bolt assembly; Two briquettings 51 are arranged at the left and right sides in the U type elastomeric mounting seat 50; The setting that is complementary of the wedge type groove of said voussoir 2 53 and the briquetting 51 on right side; Settings that be complementary of the wedge type groove of said voussoir 1 and the briquetting 51 in left side, the said voussoir 1 of said lifting rod mechanism's 6 connections.Further, said safety tongs mechanism 5 also comprises elastic compression element 54, and said voussoir 2 53 connects the briquetting 51 in said left side through elastic compression element 54, but voussoir 2 53 elastic compressions play the effect that cushions when clamping guide rail in briquetting 51.Further, the clamping surface of said voussoir 1 and voussoir 2 53 is provided with the tooth line, can clamp guide rail more firmly in the time of can making voussoir 1 with voussoir 2 53 actions.
As preferred embodiment; Said lifting rod mechanism 6 comprises pull bar 60, connecting rod 61, rotating shaft 66, curved bar 62 and lifting rod 65; Said rotating shaft 66 is rotated and is arranged at housing 4 tops, and connecting rod 61 is fixedly set in an end of rotating shaft 66, and curved bar 62 is fixedly set in the middle part of rotating shaft 66; Said pull bar 60 upper ends and connecting rod 61 are hinged, and pull bar 60 lower ends and locating part 33 couplings are provided with; The upper end of said curved bar 62 and lifting rod 65 is hinged, and lifting rod 65 connects said voussoir 1, and this stretching structure actuating length is short, and reaction is fast, and is simple in structure effective.Further; Bull stick 1 and middle bull stick 2 64 in the middle of said lifting rod mechanism 6 also comprises; Said curved bar 62 and middle bull stick 1 are hinged; Middle bull stick 1 is hinged with middle bull stick 2 64, and middle bull stick 2 64 is hinged with the upper end of lifting rod 65, helps lifting rod 65 and more stably spurs on the voussoir 1 and move.Further, lifting rod mechanism 6 is provided with touches plate, when lifting rod mechanism 6 moves, touch plate and touch said micro-switch 8, thereby the safety return circuit of disconnection elevator makes elevator main out of service.Further, said housing 4 is provided with orienting sleeve 6, and said pull bar 60 wears said orienting sleeve 6, and pull bar 60 moves along orienting sleeve 6, is subjected to displacement when avoiding quick action and influences the normal operation of fender guard.
A kind of elevator combined type overspeed protection device of the present invention, its principle of work is, during the elevator normal operation; Holddown spring 32 compresses speed limited wheel 30, makes speed limited wheel 30 along cage guide 2 up-and-down movements, and speed limited wheel 30 drives centrifugal hammer 31 and carries out circular movement; Centrifugal hammer 31 is outwards put, and when the maximum that the pendulum radius exceeds centrifugal hammer 31 outside elevator speed makes centrifugal hammer 31 is provided with radius, centrifugal hammer 31 will be made bar and beat to locating part 33; Locating part 33 actions stop operating speed limited wheel 30, simultaneously, and locating part 33 pulling pull bars 60; Pull bar 60 rotates rotating shaft 66 through connecting rod 61, when rotating shaft 66 is rotated, touches micro-switch 8; Thereby break off the safety return circuit of elevator, make elevator main out of service; Rotating shaft 66 drives curved bar 62 makes lifting rod 65 upwards spur through middle bull stick 1 and middle bull stick 2 64 successively; Lifting rod 65 drives voussoir 1 and moves up; Under the wedge type groove directional tagging of briquetting 51, voussoir 1 clamps cage guide 2 with voussoir 2 53, thereby makes the car safety stop.The structure that velocity limiter that the main improvement of this device is traditional and safety tongs separate; Need not to install over-speed governor tensioning apparatus and speed limiter wire rope; Avoid speed limiter wire rope long and the lax phenomenon of difficult installation and speed limiter wire rope occurs, safety tongs mechanism 5 is integrated with hypervelocity actuating mechanism 3, can reduce fault rate greatly; Reduce and make and cost of installation, make repair and maintenance easier with installation.
The above only is a preferred embodiments of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (6)
1. elevator combined type overspeed protection device; It is characterized in that: it comprises housing (4), hypervelocity actuating mechanism (3); Safety tongs mechanism (5), lifting rod mechanism (6), and the micro-switch that is electrically connected with elevator safety loop (8), said housing (4) is fixedly installed in (1) at the bottom of the sedan-chair of elevator;
Said hypervelocity actuating mechanism (3) comprises underframe (7), holddown spring (32), speed limited wheel (30), the centrifugal hammer (31) that under speed limited wheel (30) drives, moves in a circle, and the locating part (33) that is used for stop speed limited wheel (30); Said underframe (7) is fixedly installed in said housing (4) bottom, and said speed limited wheel (30) is rotationally connected with said underframe (7), and said holddown spring (32) compresses said speed limited wheel (30), and speed limited wheel (30) compresses down at holddown spring (32) and contacts with cage guide (2); Said centrifugal hammer (31) is provided with makes bar; Said locating part (33) is connected with lifting rod mechanism (6); Make bar and beat when locating part (33) when centrifugal hammer (31) drives, locating part (33) pulling lifting rod mechanism (6) action, lifting rod mechanism (6) touches said micro-switch (8) when moving;
Said safety tongs mechanism (5) comprises U type elastomeric mounting seat (50), voussoir one (52), voussoir two (53), two briquettings (51), and briquetting (51) is provided with the wedge type groove; Said U type elastomeric mounting seat (50) is fixedly installed in said housing (4) through bolt assembly; Two briquettings (51) are arranged at the left and right sides in the U type elastomeric mounting seat (50); The setting that is complementary of the wedge type groove of said voussoir two (53) and the briquetting (51) on right side; Settings that be complementary of the wedge type groove of said voussoir one (52) and the briquetting (51) in left side, the said voussoir one (52) of said lifting rod mechanism (6) connection.
2. a kind of elevator combined type overspeed protection device according to claim 1; It is characterized in that: said lifting rod mechanism (6) comprises pull bar (60), connecting rod (61), rotating shaft (66), curved bar (62) and lifting rod (65); Said rotating shaft (66) is rotated and is arranged at housing (4) top, and connecting rod (61) is fixedly set in an end of rotating shaft (66), and curved bar (62) is fixedly set in the middle part of rotating shaft (66); Said pull bar (60) upper end is hinged with connecting rod (61), and pull bar (60) lower end and locating part (33) coupling are provided with; Said curved bar (62) is hinged with the upper end of lifting rod (65), and lifting rod (65) connects said voussoir one (52).
3. a kind of elevator combined type overspeed protection device according to claim 2; It is characterized in that: bull stick one (63) and middle bull stick two (64) in the middle of said lifting rod mechanism (6) also comprises; Said curved bar (62) and middle bull stick one (63) are hinged; Middle bull stick one (63) and middle bull stick two (64) are hinged, and middle bull stick two (64) is hinged with the upper end of lifting rod (65).
4. a kind of elevator combined type overspeed protection device according to claim 3, it is characterized in that: said housing (4) is provided with orienting sleeve (6), and said pull bar (60) wears said orienting sleeve (6).
5. a kind of elevator combined type overspeed protection device according to claim 4, it is characterized in that: said safety tongs mechanism (5) also comprises elastic compression element (54), said voussoir two (53) connects the briquetting (51) in said left side through elastic compression element (54).
6. a kind of elevator combined type overspeed protection device according to claim 5 is characterized in that: the clamping surface of said voussoir one (52) and voussoir two (53) is provided with the tooth line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110290192.0A CN102367129B (en) | 2011-09-28 | 2011-09-28 | Combined type overspeed protective device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110290192.0A CN102367129B (en) | 2011-09-28 | 2011-09-28 | Combined type overspeed protective device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102367129A true CN102367129A (en) | 2012-03-07 |
| CN102367129B CN102367129B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110290192.0A Active CN102367129B (en) | 2011-09-28 | 2011-09-28 | Combined type overspeed protective device for elevator |
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| Country | Link |
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| CN (1) | CN102367129B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249249A (en) * | 2018-03-27 | 2018-07-06 | 日立电梯（中国）有限公司 | A kind of elevator up-running over-speed protection trigger device |
| CN108584603A (en) * | 2018-07-12 | 2018-09-28 | 湖州德玛吉电梯有限公司 | Elevator overspeed protecting device |
| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
| CN115072518A (en) * | 2022-06-16 | 2022-09-20 | 常熟理工学院 | Cordless speed-limiting safety tongs |
| CN115367678A (en) * | 2022-10-25 | 2022-11-22 | 张家港市国恒装备有限公司 | Self-protective climbing-free device for wind power tower |
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| CN2556178Y (en) * | 2002-07-10 | 2003-06-18 | 李春涛 | Elevator two-way overspeed protective device |
| CN1631755A (en) * | 2004-12-18 | 2005-06-29 | 宁波申菱电梯配件有限公司 | Rope brake for overspeed upgoing elevator |
| CN1724330A (en) * | 2004-07-22 | 2006-01-25 | 上海三菱电梯有限公司 | Apparatus for protecting lifting overspeed of elevator |
| CN1824599A (en) * | 2005-02-22 | 2006-08-30 | 陈汉昌 | Bidirection overspeed protective device of elevator |
| CN1970420A (en) * | 2006-11-30 | 2007-05-30 | 广州日立电梯有限公司 | Protection device for over-speed ascending for elevator |
| CN202296660U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | Elevator combined-type overspeed protection device |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556178Y (en) * | 2002-07-10 | 2003-06-18 | 李春涛 | Elevator two-way overspeed protective device |
| CN1724330A (en) * | 2004-07-22 | 2006-01-25 | 上海三菱电梯有限公司 | Apparatus for protecting lifting overspeed of elevator |
| CN1631755A (en) * | 2004-12-18 | 2005-06-29 | 宁波申菱电梯配件有限公司 | Rope brake for overspeed upgoing elevator |
| CN1824599A (en) * | 2005-02-22 | 2006-08-30 | 陈汉昌 | Bidirection overspeed protective device of elevator |
| CN1970420A (en) * | 2006-11-30 | 2007-05-30 | 广州日立电梯有限公司 | Protection device for over-speed ascending for elevator |
| CN202296660U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | Elevator combined-type overspeed protection device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249249A (en) * | 2018-03-27 | 2018-07-06 | 日立电梯（中国）有限公司 | A kind of elevator up-running over-speed protection trigger device |
| CN108249249B (en) * | 2018-03-27 | 2019-06-14 | 日立电梯（中国）有限公司 | A kind of elevator up-running over-speed protection trigger device |
| CN108584603A (en) * | 2018-07-12 | 2018-09-28 | 湖州德玛吉电梯有限公司 | Elevator overspeed protecting device |
| CN108584603B (en) * | 2018-07-12 | 2019-10-11 | 湖州德玛吉电梯有限公司 | Elevator overspeed protecting device |
| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
| CN109704168B (en) * | 2019-02-26 | 2023-10-03 | 广州广日电梯工业有限公司 | Integrated elevator speed limiting protection device and elevator with same |
| CN115072518A (en) * | 2022-06-16 | 2022-09-20 | 常熟理工学院 | Cordless speed-limiting safety tongs |
| CN115367678A (en) * | 2022-10-25 | 2022-11-22 | 张家港市国恒装备有限公司 | Self-protective climbing-free device for wind power tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102367129B (en) | 2014-07-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Xie hang Qingxi Town 523000 Guangdong city of Dongguan Province Jinlong Industrial Zone Applicant after: IFE Elevators Co., Ltd. Address before: Xie hang Qingxi Town 523000 Guangdong city of Dongguan Province Jinlong Industrial Zone Fiat Elevator Co. Ltd. Applicant before: IFE Elevator Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: IFE ELEVATOR CO., LTD. TO: IFE ELEVATORS CO., LTD. |
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| C14 | Grant of patent or utility model | ||
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