CN102616619B - Safe retention device for household elevator - Google Patents
Safe retention device for household elevator Download PDFInfo
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- CN102616619B CN102616619B CN201210066476.6A CN201210066476A CN102616619B CN 102616619 B CN102616619 B CN 102616619B CN 201210066476 A CN201210066476 A CN 201210066476A CN 102616619 B CN102616619 B CN 102616619B
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- baffle plate
- dead axle
- elevator
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Abstract
The invention discloses a safe retention device for a household elevator. The safe retention device comprises a fixed plate, a baffle plate, a micro switch and a limit switch, wherein the fixed plate is fixedly arranged on a wall surface where an elevator guide rail is positioned; the baffle plate is arranged adjacent to the fixed plate; a fixed shaft is arranged at the joint between the baffle plate and the fixed plate; the baffle plate can be turned around the fixed shaft to be vertical to the fixed plate; the micro switch is connected in series with a safety circuit of the elevator and is in a normally-opened state; when the baffle plate is turned up, a micro switch button of the micro switch is ejected out, and the safety circuit of the elevator is switched off; the limit switch is connected in series with the safety circuit of the elevator and is in a normally-closed state; and when the elevator is operated, the limit switch is triggered to be switched off. The safe retention device has a compact structure and is convenient to mount; and the safety of mounting personnel and maintenance personnel is effectively ensured in a triple secure mode, namely a mechanical secure mode and electrical double secure modes.
Description
Technical field
The present invention relates to a kind of safety barrier, particularly a kind of home lift safety barrier.
Background technology
At present, for the utilization of pursuing space maximizes, home lift generally all adopts Backpack type structure, and structure is very compact, often adopts more shallow pit and lower overhead, thereby brings certain potential safety hazard may to installation, the repair and maintenance of elevator.Concrete manifestation has 2 points:
1,, in the time of installation or repair and maintenance, if having people in elevator pit, if unexpected falling appears in elevator, if there is no retaining means, more shallow pit will cause extruding accident;
2, in the time that towing machine band-type brake lost efficacy, due to gravity factor, cause lift car upward movement, if now car top has people, less overhead equally also can cause extruding accident.
Summary of the invention
The object of this invention is to provide a kind of home lift safety barrier compact conformation, easy for installation; And add the mode of the retrocession of electric double insurance by machine insurance, effectively guarantee to install and maintainer's safety.
In order to realize above object, the present invention is achieved by the following technical solutions:
A kind of home lift safety barrier, comprises:
Adapter plate, described adapter plate is fixedly installed on the metope at cage guide place;
Baffle plate processed, described baffle plate processed and adapter plate are in abutting connection with setting, and the junction of this baffle plate processed and adapter plate is provided with dead axle, and this baffle plate processed can turn to around described dead axle vertical with adapter plate;
Micro-switch, described micro-switch is connected in the safety return circuit of elevator, is normally open, and after described baffle plate turning processed gets up, the microswitch push-button of this micro-switch ejects, and the safety return circuit of elevator disconnects;
Limit switch, described limit switch is connected in the safety return circuit of elevator, is normal closure state, when elevator operation, triggers this limit switch, and described limit switch disconnects.
On described dead axle, cover has the first dead axle overcoat, the second dead axle overcoat and the 3rd dead axle overcoat from top to bottom; The first described dead axle overcoat and the 3rd dead axle are set on outward on the plate face of baffle plate processed; The second described dead axle is set on outward on the plate face of adapter plate.
Also comprise: shock absorber, described shock absorber be set on dead axle and be arranged on the first dead axle overcoat and the second dead axle overcoat between.
Described shock absorber is spring.
Also comprise: horizontally disposed anchor fitting, the two ends of described anchor fitting are connected with baffle plate processed with adapter plate respectively.
Described anchor fitting is extension spring.
The present invention compared with prior art, has the following advantages:
1, compact conformation, easy for installation;
2, guaranteed installation and maintainer's safety.
Accompanying drawing explanation
Fig. 1 is the front elevation of a kind of home lift safety barrier of the present invention;
Fig. 2 is the working state schematic representation of a kind of home lift safety barrier of the present invention;
Fig. 3 is the micro-switch of a kind of home lift safety barrier of the present invention and the partial enlarged drawing of limit switch.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, descend safety barrier, the present invention is further elaborated.
As shown in Figure 1, a kind of home lift safety barrier, comprises: adapter plate 1, baffle plate processed 2, micro-switch 3, limit switch 4.
Wherein, as shown in Figure 1, adapter plate 1 is fixedly installed on the load-bearing metope at cage guide place, in the present embodiment, this adapter plate 1 is provided with two pairs to boring a hole 7, by expansion anchor, adapter plate 1 is fixed on bearing wall, wherein a pair of to boring a hole 7 for waist-shaped hole, can make adapter plate 1 have the surplus of adjusting, it is more reasonable to design, and certainly, can use and fix wearing bolt in hoistway with steel structure, also can be welded on steel structure, it is various, convenient that installation is placed.
As shown in Figure 1, baffle plate 2 processed arranges with adapter plate 1 adjacency, between this baffle plate 2 processed and adapter plate 1, be provided with dead axle, this dead axle is arranged on the junction of baffle plate 2 processed and adapter plate 1, in the present embodiment, on this dead axle, cover has three sections of dead axle overcoats from top to bottom, wherein, the dead axle overcoat 11 of the top and the dead axle overcoat 13 of below are welded on baffle plate 2 processed, middle dead axle overcoat 12 is welded on adapter plate 1, baffle plate 2 processed can overturn take this dead axle as axle, used time not at ordinary times, be close to metope, not hindering elevator normally moves, in the time installing or maintainer operates, dig baffle plate 2 processed, in the time that lift car extruding is come, baffle plate 2 processed bumps with lift car fixed structure piece, stop the further operation of elevator, thereby play the effect of main mechanical stop.
In the present embodiment, the material of adapter plate 1 and baffle plate 2 processed all adopts Q235 steel, can bear enough impulsive forces, guarantees personal security; In the time that safety barrier is installed, need to confirm that retaining means stops after elevator operation, remaining elevator hoistways space is enough.
Micro-switch 3 and limit switch 4 are all connected in the safety return circuit of elevator, and wherein, as shown in Fig. 1 ~ Fig. 3, micro-switch 3 is normally open, and limit switch 4 is normal closure state.In the present embodiment, micro-switch 3 is arranged on the top margin of adapter plate 1, limit switch 4 is arranged on the top margin of baffle plate 2 processed, in the time that safety barrier is not worked, the microswitch push-button that limit switch 4 touch micro-switch 3 and pushes down micro-switch 3 makes micro-switch closure, conducting safety return circuit, normally moves elevator.As shown in Figure 3, when maintainer enters hoistway, overturn after baffle plate 2 processed, limit switch 4 separates with micro-switch 3, and the microswitch push-button of micro-switch 3 ejects, and has cut off the safety return circuit of elevator, elevator cannot be moved, guaranteed maintainer's life security; When after the disabler of the cut-out safety return circuit of aforesaid micro-switch 3 or micro-switch 3 produced adhesion with limit switch 4 and cause safety return circuit not disconnect, elevator still can move, and elevator is in operational process, can trigger limit switch 4, it is disconnected, thereby cut off safety return circuit, make elevator out of service, form double insurance with micro-switch 3, effectively guaranteed personal security, thereby formed the double insurance of electric part.In the present embodiment, it is the micro-switch of V3L-1123-D8 that micro-switch 3 is selected model, and limit switch 4 is selected the limit switch of SZL-VL-B.
As shown in Figure 1, in the present embodiment, safety barrier also comprises shock absorber 5, shock absorber 5 is selected spring, in the present embodiment, shock absorber 5 is set on dead axle, and be arranged between the dead axle overcoat 11 of the top and the dead axle overcoat 12 of centre, when the micro-switch 3 in safety return circuit and limit switch 4 lost efficacy in pairs, when lift car clashes into baffle plate 2 processed, baffle plate 2 processed can be by lift car toward pressing down, thereby due to the existence of shock absorber 5, the dead axle overcoat 11 of the top and the dead axle overcoat 13 of below can move down the distance that shock absorber 5 is spring contraction, can make to avoid producing absolute rigidity between lift car and baffle plate processed 2 pushes, thereby can effectively protect baffle plate 2 processed, make it not yielding
As depicted in figs. 1 and 2, in the present embodiment, safety barrier also comprises anchor fitting 6 and locating plate 8, and anchor fitting 6 is selected extension spring; Anchor fitting 6 is horizontally disposed with, and its two ends are connected with baffle plate 2 processed with adapter plate 1 respectively, in the time that baffle plate 2 processed is dug, can hold baffle plate 2 processed by anchor fitting 6 it is fixed; The dead axle that locating plate 8 is welded on dead axle puts outward, digs when vertical with adapter plate 1 when baffle plate 2 processed, and locating plate 8 just withstands baffle plate 2 processed, and it is stopped; Therefore, as shown in Figure 2, in the time that baffle plate 2 processed overturns, by the cooperation of locating plate 8 and anchor fitting 6, can position baffle plate 2 processed, make baffle plate 2 processed be fixed on the position vertical with adapter plate 1, baffle plate 2 processed has overturn 90 °.
Certainly, safety barrier can be divided into safety barrier and lower safety barrier, and wherein, lower safety barrier is the retaining means described in the present embodiment, can be fixed on guide rail bracket of elevator top; Upper safety barrier can be fixed on guide rail bracket of elevator below, and horizontal location is very easy.Therefore, no matter be more shallow pit and lower overhead, the present invention can both easy installation and is effectively protected maintainer's safety.
In sum, a kind of home lift safety barrier of the present invention compact conformation, easy for installation; And add the mode of the retrocession of electric double insurance by machine insurance, effectively guarantee to install and maintainer's safety.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Read after foregoing those skilled in the art, for multiple modification of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a home lift safety barrier, is characterized in that, comprises:
Adapter plate (1), described adapter plate (1) is fixedly installed on the metope at cage guide place;
Baffle plate processed (2), described baffle plate processed (2) is with adapter plate (1) in abutting connection with arranging, and this baffle plate processed (2) is provided with dead axle with the junction of adapter plate (1), and this baffle plate processed (2) can turn to around described dead axle vertical with adapter plate (1);
Micro-switch (3), described micro-switch (3) is connected in the safety return circuit of elevator, is normally open, and after described baffle plate processed (2) upset is got up, the microswitch push-button of this micro-switch (3) ejects, and the safety return circuit of elevator disconnects;
Limit switch (4), described limit switch (4) is connected in the safety return circuit of elevator, is normal closure state, when elevator operation, triggers this limit switch (4), and described limit switch (4) disconnects;
Horizontally disposed anchor fitting (6) and locating plate (8); The two ends of described anchor fitting (6) are connected with baffle plate processed (2) with adapter plate (1) respectively, in the time that baffle plate processed (2) is dug, can hold baffle plate processed (2) by anchor fitting (6) it is fixed;
The dead axle that locating plate (8) is welded on dead axle puts outward, digs when vertical with adapter plate (1) when baffle plate processed (2), and locating plate (8) just withstands baffle plate processed (2), and it is stopped.
2. home lift safety barrier according to claim 1, is characterized in that, on described dead axle, cover has the first dead axle overcoat (11), the second dead axle overcoat (12) and the 3rd dead axle overcoat (13) from top to bottom; Described the first dead axle overcoat (11) and the 3rd dead axle overcoat (13) are arranged on the plate face of baffle plate processed (2); The second described dead axle overcoat (12) is arranged on the plate face of adapter plate (1).
3. home lift safety barrier according to claim 2, is characterized in that, also comprises: shock absorber (5), described shock absorber (5) be set on dead axle and be arranged on the first dead axle overcoat (11) and the second dead axle overcoat (12) between.
4. home lift safety barrier according to claim 3, is characterized in that, described shock absorber (5) is spring.
5. home lift safety barrier according to claim 3, is characterized in that, described anchor fitting (6) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066476.6A CN102616619B (en) | 2012-03-14 | 2012-03-14 | Safe retention device for household elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066476.6A CN102616619B (en) | 2012-03-14 | 2012-03-14 | Safe retention device for household elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102616619A CN102616619A (en) | 2012-08-01 |
| CN102616619B true CN102616619B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210066476.6A Active CN102616619B (en) | 2012-03-14 | 2012-03-14 | Safe retention device for household elevator |
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| Country | Link |
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| CN (1) | CN102616619B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648261A (en) * | 2018-12-24 | 2019-04-19 | 重庆红方机电有限公司 | A kind of manufacturing method of elevator cushion axis |
| CN111532920B (en) * | 2020-05-07 | 2022-07-19 | 永大电梯设备（中国）有限公司 | Protection system for elevator maintenance personnel and elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942385A (en) * | 2004-04-30 | 2007-04-04 | 奥蒂斯电梯公司 | Elevotor top of car safety |
| CN101137571A (en) * | 2003-09-15 | 2008-03-05 | 奥蒂斯电梯公司 | Elevator examination safety device |
| JP2010159153A (en) * | 2009-01-09 | 2010-07-22 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator maintenance support system |
| JP2011153012A (en) * | 2010-01-28 | 2011-08-11 | Mitsubishi Electric Corp | Elevator pit apparatus |
| CN202542614U (en) * | 2012-03-14 | 2012-11-21 | 蒂森克虏伯家用电梯(上海)有限公司 | Home elevator safety blocking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050224299A1 (en) * | 2004-04-13 | 2005-10-13 | Soemardjan San A | Elevator recessed car top for refuge area |
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2012
- 2012-03-14 CN CN201210066476.6A patent/CN102616619B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101137571A (en) * | 2003-09-15 | 2008-03-05 | 奥蒂斯电梯公司 | Elevator examination safety device |
| CN1942385A (en) * | 2004-04-30 | 2007-04-04 | 奥蒂斯电梯公司 | Elevotor top of car safety |
| JP2010159153A (en) * | 2009-01-09 | 2010-07-22 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator maintenance support system |
| JP2011153012A (en) * | 2010-01-28 | 2011-08-11 | Mitsubishi Electric Corp | Elevator pit apparatus |
| CN202542614U (en) * | 2012-03-14 | 2012-11-21 | 蒂森克虏伯家用电梯(上海)有限公司 | Home elevator safety blocking device |
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| Publication number | Publication date |
|---|---|
| CN102616619A (en) | 2012-08-01 |
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Address after: 200010 building 4, 2785 Jiangshan Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Tisheng home elevator (Shanghai) Co.,Ltd. Address before: No.159, MINGYE Road, Sheshan District, Songjiang Industrial Zone, Songjiang District, Shanghai, 201602 Patentee before: THYSSENKRUPP ELEVATORS Co.,Ltd. SHANGHAI BRANCH |