CN103058034A - Elevator - Google Patents
Elevator Download PDFInfo
- Publication number
- CN103058034A CN103058034A CN2012103917776A CN201210391777A CN103058034A CN 103058034 A CN103058034 A CN 103058034A CN 2012103917776 A CN2012103917776 A CN 2012103917776A CN 201210391777 A CN201210391777 A CN 201210391777A CN 103058034 A CN103058034 A CN 103058034A
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- CN
- China
- Prior art keywords
- retainer
- car
- control lever
- brake control
- lift car
- 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.)
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides an elevator, which runs in an elevator car when the car at an open state and can steadily brake the elevator car. An open-door-run-preventing unit has: a retainer for descending and a retainer for ascending, which are above and under a car stop position on a guide rail for the car respectively and arranged close to the car stop position, the retainer for descending has a slant angle with a scope gradually turning wide downwards and the retainer for ascending has a slant angle with a scope gradually turning wide upwards. A clamp-fit body is arranged at an elevator car side and has: brake arms, wherein two arm parts in pair are connected to rotate with a shaft as a pivot, and one end sides of the brake arms are opposite to the retainers; springs for braking, which are arranged between the other ends of the brake arms; and a brake arm moving mechanism which enables the brake arms to shuttle between a brake position wherein one ends of the brake arms are opposite to the retainers and a standby position where one ends of the brake arms are not opposite to the retainers.
Description
Technical field
The present invention relates to a kind of lift facility, especially relate to a kind of lift facility be used to prevent that lift car from travelling under the state that car door is being opened.
Background technology
Under normal conditions, behind the calling floor or destination floor of lift facility stoppage type elevator, under the state that elevator door is leaving, make brake equipment action by control setup, in order to lift car is controlled to the state that can not move.But the lift car that carries out lifting moving in hoist trunk may rise mobile or mobile etc. the state of affairs that descends because some reason (descending or mistake instruction etc. such as the confining force of brake equipment) occurs under the state that elevator door leaving.Above-mentioned phenomenon has the danger of the grave accident of developing into, and occured in the situation of above-mentioned phenomenon in contingency, make elevator recover to require a great deal of time and the labour, and can cause elevator can't utilize for a long time, thereby make troubles for the passenger of elevator.
Prior art as being used for preventing that the above-mentioned state of affairs from occuring has disclosed various schemes.A kind of scheme is for example disclosed in patent documentation 1 and 2, it has protruding member and limiting member, this protruding member is in after car door is opened towards the outstanding state of rail-sides, this limiting member is arranged on the hoist trunk wall side, and engages mutually (for example with reference to patent documentation 1 and 2) with the protruding member that is in outstanding state.In addition, a kind of scheme is disclosed at patent documentation 3, it has retainer in hoist trunk, be in the situation that the state that rests on the floor and car door be in closed condition at lift car, this retainer does not interfere, and under the state that car door is being opened, this retainer and car door butt (for example with reference to patent documentation 3), in addition, a kind of scheme is disclosed in patent documentation 4, it has: axle rotation confinement plate, and this axle rotation confinement plate is fixed on the moment of torsion transmitter shaft coaxially, and has a plurality of through holes that are formed on the same circumference; Be arranged to be merely able to the axially mobile insertion rod at the moment of torsion transmitter shaft; And insert excellent actuating mechanism, this inserts excellent actuating mechanism, and that this insertion rod is come and gone between axle rotation restriction site and axle rotation restriction cancellation position is mobile, this scheme can make insert excellent along with car door is opened and moved to axle and rotate restriction site (for example with reference to patent documentation 4).
Technical literature formerly
Patent documentation
Patent documentation 1: No. 3150564 communiques of utility model registration (paragraph numbering 0016～0027, Fig. 2)
Patent documentation 2: the open patent 2010-120745 of Japan communique (paragraph numbering 0023～0029, Fig. 2)
Patent documentation 3: the open patent 2010-143670 of Japan communique (paragraph numbering 0018～0023, Fig. 2)
Patent documentation 4: the open patent 2009-18882 of Japan communique (paragraph numbering 0024～0042, Fig. 3)
But in above-mentioned prior art, former thereby when travelling under the state that car door is being opened because of certain at lift car, protruding member and limiting member bump, and lift car and retainer bump, and insert rod and bump with through hole.That is to say, in the prior art, do not consider the collision that how to relax between the brake equipment that lift car is braked, and described collision brings offending sensation might for the passenger in the lift car.
Summary of the invention
The present invention proposes in view of existing practical problems in the above-mentioned prior art, the object of the present invention is to provide a kind of lift facility, when it travels under the state that car door is being opened at lift car, can brake lift car reposefully.
Solution
To achieve these goals, the invention provides a kind of lift facility, it has: mobile lift car and counterbalanced weight in the hoist trunk of above-below direction in being arranged on building; The car guide rail that is erected to be arranged in the described hoist trunk and the lifting of described lift car is guided; The hoist cable that connects described lift car and counterbalanced weight; By described hoist cable being driven the winch that described lift car and counterbalanced weight are moved along above-below direction; And prevent the anti-stop element of door open running that described lift car travels under the state that car door is being opened, described lift facility is characterised in that, the anti-stop element of described door open running has: descend with retainer and rising retainer, described decline with retainer and rise with retainer respectively described car be arranged on the above and below of the car stop position of guide rail described car stop position near, decline has the gradient that broadens gradually towards the below amplitude with retainer, rises to have the gradient that broadens gradually towards the top amplitude with retainer; And engaging body, described engaging body is arranged on described lift car side, when elevator door is opened, described engaging body be in relative with described retainer to the position, and when described lift car carried out lifting under the state that elevator door is leaving, described engaging body engaged with described retainer.
In the present invention with said structure, when lift car carries out lifting, because the engaging body is positioned at position of readiness, so the engaging body is positioned at decline with retainer and rises with outside the planimetric area of retainer, can not hinder the lift car lifting.On the other hand, after lift car dock floor and car door are opened, the engaging body be positioned at relative with retainer to braking position.And former thereby when descending or rising under the state that car door is being opened because of certain at lift car, the engaging body slides in the dip plane of retainer, by friction force lift car is braked.Thus, slide in the dip plane of retainer by making the engaging body, braking force is increased gradually, thereby can brake lift car reposefully.
In addition, the feature of lift facility of the present invention is that also described engaging body has: brake control lever, two paired arms of this brake control lever connect to and can rotate take axle as fulcrum, and this brake control lever one distolateral can be relative with described retainer to; Be arranged on the braking spring between the other end of this brake control lever; And brake control lever travel mechanism, this brake control lever travel mechanism comes and goes described brake control lever between braking position and position of readiness mobile, at described braking position, one end of described brake control lever relative with described retainer to, at described position of readiness, an end of described brake control lever not relative with described retainer to.
In the present invention with said structure, when lift car carries out lifting, because brake control lever is positioned at position of readiness, so being positioned to descend, brake control lever use retainer and rising with outside the planimetric area of retainer, can not hinder the lift car lifting.On the other hand, after lift car dock floor and car door are opened, brake control lever be positioned at the one end relative with retainer to braking position.And, former thereby when under the state that car door is being opened, descending or rising because of certain at lift car, mode and the retainer butt of one end of brake control lever to clamp retainer, after this brake control lever applies braking and slides in this dip plane in the antagonistic force of spring in the dip plane to retainer, by friction force lift car is braked.So, brake control lever slides in this dip plane on will braking antagonistic force with spring and be applied to via this brake control lever the dip plane of retainer, braking force is increased gradually, thereby can brake lift car reposefully.
The invention effect
According to the present invention, can realize a kind of safe lift facility, it can when lift car travels under the state that car door is being opened, be braked lift car reposefully.
Description of drawings
Fig. 1 is the structural representation of lift facility involved in the present invention.
Fig. 2 is the lateral plan of the anti-stop element of door open running of expression one embodiment of the invention.
Fig. 3 be shown in the A-A arrow of Fig. 2 to view, the retainer of expression present embodiment.
Fig. 4 is the B-B section-drawing of Fig. 2, the anti-stop element of the door open running of expression present embodiment.
Fig. 5 is the section-drawing of the anti-stop element of door open running, the expression brake control lever be positioned at relative with retainer to the position time state.
Fig. 6 is the section-drawing of the anti-stop element of door open running, the state when the expression brake control lever is positioned at the wide cut position of retainer.
Nomenclature
1 lift car
2 car guide rails
3 hoist cables
4 door open runnings are prevented stop element
41a descends and uses retainer
41b rises and uses retainer
42 engaging bodies
421 axles
422 brake control levers
423 braking springs
424 brake control lever travel mechanisms
The 424a movable core
The 424b main body
The 424c spring
The 424d coil
5 bolts
The specific embodiment
Embodiment to lift facility involved in the present invention describes referring to accompanying drawing.
As shown in Figure 1, lift facility has: mobile lift car 1 in the hoist trunk of above-below direction in being arranged on building; Be erected to be arranged in the hoist trunk and the car of guiding lift car 1 lifting with guide rail 2; The hoist cable 3 that is connected with lift car 1; And the anti-stop element 4 of door open running, it is arranged on the top of lift car 1, is used for preventing that lift car 1 from travelling under the state that not shown car door is being opened.
As shown in Figures 2 and 3, the anti-stop element 4 of door open running has to descend uses retainer 41b with retainer 41a with rising, described retainer respectively car be arranged on the above and below of the car stop position of guide rail 2 this car stop position near, and descending has the gradient that broadens gradually towards the below amplitude with retainer 41a, and rising has the gradient that broadens gradually towards the top amplitude with retainer 41b.Descend with retainer 41a and rise and be fixed on the base end part that car is used guide rail 2 with retainer 41b by bolt 5.
In addition, as shown in Figure 2, the anti-stop element 4 of door open running has engaging body 42, this engaging body 42 is arranged on lift car 1 side, when elevator door is opened, this engaging body 42 be in relative with retainer 41a, 41b to the position, and opening under the state of door when carrying out lifting when lift car 1, this engaging body 42 engages with retainer 41a, 41b.Be specifically, extremely shown in Figure 6 such as Fig. 2, Fig. 4, this engaging body 42 has: brake control lever 422, two paired arms of this brake control lever 422 connect to and can rotate take axle 421 as fulcrum, and this brake control lever 422 one distolateral can be relative with retainer 41a, 41b to; Be arranged on braking between the other end of brake control lever 422 with spring 423; And brake control lever travel mechanism 424, this brake control lever travel mechanism 424 comes and goes brake control lever 422 between braking position and position of readiness mobile, at this braking position, one end of brake control lever 422 relative with retainer 41a, 41b to, at this position of readiness, an end of brake control lever 422 not relative with retainer 41a, 41b to.
Brake control lever travel mechanism 424 has: supporting braking arm 422 and the movable core 424a that can laterally slide; Cover the main body 424b of movable core 424a; Be arranged on the spring 424c between movable core 424a and the main body 424b; And the coil 424d that is supplied to electric power and is disconnected according to elevator door opening signal electric power according to the elevator door closing signal.
In the present embodiment, when lift car 1 carries out lifting, by output elevator door closing signal, to coil 424d supply capability.After coil 424d supply capability, movable core 424a overcomes the elastic force of spring 424c and is held by coil 424d, as shown in Figure 4, makes brake control lever 422 be positioned at position of readiness.At this moment, owing to brake control lever 422 is positioned at outside the planimetric area of retainer 41a, 41b, so can not hinder lift car 1 lifting.On the other hand, rest on the floor at lift car 1, the output of elevator door opening signal, and after car door is opened, as shown in Figure 5, be supplied to the electric power of coil 424d to be disconnected, thus, movable core 424a relies on the elastic force of spring 424c to move towards the direction of leaving coil 424d, and become an end of brake control lever 422 relative with retainer 41a, 41b to braking position.
At this moment, if lift car 1 is former thereby when for example descending under the state that car door is being opened because of certain, an end of brake control lever 422 with clamp descend with the mode of retainer 41a with descend with retainer 41a butt.Under this state, when lift car 1 further descended, as shown in Figure 6, brake control lever 422 owing to descend rotated with the gradient of retainer 41a, slided in this dip plane when braking with the antagonistic force of spring 423 in that this dip plane is applied.So, by the friction force that is produced by brake control lever 422 and the moving contact with retainer 41a of descending lift car 1 is braked.
When lift car 1 is braked, make an end of brake control lever 422 on descending with the dip plane of retainer 41a, become large direction slip along amplitude, and brake control lever 422 is slided will braking by brake control lever 422 in the dip plane, braking force is increased gradually, make it possible to brake reposefully.In addition, in the unusual decline recovery of lift car 1, and after becoming position of readiness, brake control lever 422 turns back to original position by the elastic force of braking with spring 423.
Situation former thereby that descend under the state that car door is being opened is illustrated as example because of certain take lift car 1 at this, and in the situation that lift car 1 rises, by making brake control lever 422 rising with the enterprising line slip of retainer 41b, can brake gradually lift car 1.
According to present embodiment, former thereby when under the state that car door is being opened, travelling because of certain at lift car 1, can brake lift car 1 reposefully, so can realize safe lift facility.
Claims (2)
1. lift facility, it has: mobile lift car and counterbalanced weight in the hoist trunk of above-below direction in being arranged on building; The car guide rail that is erected to be arranged in the described hoist trunk and the lifting of described lift car is guided; The hoist cable that connects described lift car and counterbalanced weight; By described hoist cable being driven the winch that described lift car and counterbalanced weight are moved along above-below direction; And prevent that the anti-stop element of door open running that described lift car travels, described lift facility are characterised in that under the state that car door is being opened,
The anti-stop element of described door open running has: descend with retainer and rising retainer, described decline with retainer and rise with retainer respectively described car be arranged on the above and below of the car stop position of guide rail described car stop position near, decline has the gradient that broadens gradually towards the below amplitude with retainer, rises to have the gradient that broadens gradually towards the top amplitude with retainer; And engaging body, described engaging body is arranged on described lift car side, when elevator door is opened, described engaging body be in relative with described retainer to the position, and when described lift car carried out lifting under the state that elevator door is leaving, described engaging body engaged with described retainer.
2. lift facility as claimed in claim 1 is characterized in that,
Described engaging body has: brake control lever, two paired arms of this brake control lever connect to and can rotate take axle as fulcrum, and this brake control lever one distolateral can be relative with described retainer to; Be arranged on the braking spring between the other end of this brake control lever; And brake control lever travel mechanism, this brake control lever travel mechanism comes and goes described brake control lever between braking position and position of readiness mobile, at described braking position, one end of described brake control lever relative with described retainer to, at described position of readiness, an end of described brake control lever not relative with described retainer to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-229797 | 2011-10-19 | ||
| JP2011229797A JP2013086933A (en) | 2011-10-19 | 2011-10-19 | Elevator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103058034A true CN103058034A (en) | 2013-04-24 |
Family
ID=48100981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103917776A Pending CN103058034A (en) | 2011-10-19 | 2012-10-16 | Elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2013086933A (en) |
| CN (1) | CN103058034A (en) |
| SG (1) | SG189647A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294386A (en) * | 2019-06-18 | 2019-10-01 | 波士顿电梯（湖州）有限公司 | A kind of Anti-slip protection device for elevator |
| CN111824897B (en) * | 2020-08-03 | 2022-04-12 | 深圳市中航南光电梯工程有限公司 | Safety protection device for preventing accidental movement and overspeed of lift car of elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189442A (en) * | 1997-01-30 | 1998-08-05 | 科恩股份公司 | Rail brake |
| CN1279208A (en) * | 1999-06-25 | 2001-01-10 | 因温特奥股份公司 | Device and method for preventing oscillation and offset of vertical conveyor loader |
| CN1482994A (en) * | 2001-10-30 | 2004-03-17 | 三菱电机株式会社 | Elevator equipment |
| JP2006206217A (en) * | 2005-01-26 | 2006-08-10 | Mitsubishi Electric Corp | Rail holding mechanism and safety means for elevator using the same |
| JP2010120745A (en) * | 2008-11-20 | 2010-06-03 | Nippon Otis Elevator Co | Apparatus for preventing elevator from moving with door opened |
-
2011
- 2011-10-19 JP JP2011229797A patent/JP2013086933A/en active Pending
-
2012
- 2012-10-15 SG SG2012076881A patent/SG189647A1/en unknown
- 2012-10-16 CN CN2012103917776A patent/CN103058034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189442A (en) * | 1997-01-30 | 1998-08-05 | 科恩股份公司 | Rail brake |
| CN1279208A (en) * | 1999-06-25 | 2001-01-10 | 因温特奥股份公司 | Device and method for preventing oscillation and offset of vertical conveyor loader |
| CN1482994A (en) * | 2001-10-30 | 2004-03-17 | 三菱电机株式会社 | Elevator equipment |
| JP2006206217A (en) * | 2005-01-26 | 2006-08-10 | Mitsubishi Electric Corp | Rail holding mechanism and safety means for elevator using the same |
| JP2010120745A (en) * | 2008-11-20 | 2010-06-03 | Nippon Otis Elevator Co | Apparatus for preventing elevator from moving with door opened |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013086933A (en) | 2013-05-13 |
| SG189647A1 (en) | 2013-05-31 |
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