CN1224570C - Safety device for elevator - Google Patents
Safety device for elevator Download PDFInfo
- Publication number
- CN1224570C CN1224570C CN 01820869 CN01820869A CN1224570C CN 1224570 C CN1224570 C CN 1224570C CN 01820869 CN01820869 CN 01820869 CN 01820869 A CN01820869 A CN 01820869A CN 1224570 C CN1224570 C CN 1224570C
- Authority
- CN
- China
- Prior art keywords
- safety
- safety device
- car
- elevator
- space
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Elevator safety dvice (1) for implementing a safety space, said elevator comprising an elevator shaft, a shaft bottom (10), a car unit (9), a counterweight (16), landing doors (11) , a space (14) defined by an outer edge (15) of the car unit and the corresponding wall (13) of the shaft, in which space the counterweight can be moved. The safety device (1) has been arranged on the bottom (10) of the shaft in the space defined by an outer edge of the car unit and the corresponding shaft wall so that it is not in the path of the counterweight and that, in an operation position, the safety device (1) can be brought into the path of the car unit (9).
Description
Technical field
The present invention relates to a kind of elevator car safety
Background technology
When elevator is installed in the old building, often need to adopt the technical scheme that occupies the least possible space.If the space at the top of lift well or bottom place will enlarge, construction often or be owing to the reason of configuration aspects can not be carried out or is the expense costliness.Also have, the desired survival space that is used to keep in repair purpose of safety rule must be set in the car above and below.
According to Finland's application 980594, in order to ensure required survival space, the safe buffering structure that is provided for maintenance purpose at place, lift well bottom is known.The road that can be arranged in lift car according to each safety buffer device of this application surpasses certain distance apart from the vertical shaft top through last so that prevent that car from moving down to surpass apart from the certain distance of silo bottom and similarly be arranged in below the counterweight to prevent that car from moving up.Keeping flat location arrangements at silo bottom, they can be promoted as required and be entered the road warp of car or counterweight according to the safety device of this specification sheets.Therefore but, when lying in silo bottom to that, they also occupy some spaces in vertical direction, and they are not suitable in the very little scheme in space below the car.Provide safety device a kind of mode use removable buffer beam, their have been allowed attended operation by temporary transient installation in position when the needs survival space.But, known solutions occupies the space below the car and is difficult to automation when car movement.
Summary of the invention
The object of the present invention is to provide a kind of Sort of Late-model Safety Equipment, guarantee enough spaces in the lift car above and below when under the situation of elevator, safeguarding with little shaft space.
Design concept of the present invention is, effectively utilizes the free space at silo bottom place as far as possible, makes that safety device does not occupy any space, below, car unit (being made of car and car frame) on vertical direction during the normal operation of elevator.On silo bottom, safety device is seated in remain on when making that safety device is worked as cage operation in the space between counterweight and the car unit car road through outside.When needing, safety device of the present invention prevents the motion of car unit by turning to position below the car unit, and consequently, the energy disperser that is fitted to car unit downside rests in apart from design bottom certain altitude place against safety device and car unit.
According to the present invention, a kind of elevator car safety that is used to realize survival space is provided, described elevator comprises a lift well, at the bottom of one vertical shaft, one car unit), one counterweight, the platform door, the space that limits by the respective wall of the outward flange of car unit and vertical shaft, counterweight can move in described space, safety device had been arranged in the bottom of vertical shaft already in the space that the outward flange of car unit and corresponding hoistway wall limit, make its road that is not positioned at counterweight through last, and on an operating position, safety device can be introduced the road warp of car unit, it is characterized in that, safety device comprises a micro switch, and it provides the apparatus for controlling elevator data that show the safety precaution position and forbid normal running.
Preferably, at described operating position, when elevator moved, safety device was in stand up position basically with respect to the bottom of vertical shaft, between car unit and counterweight.
Preferably, safety device comprises the stop device that is hinged on the silo bottom.
Preferably, described stop device is a platy structure and by being positioned at being pivotally mounted on the silo bottom of its lower edge.
Preferably, stop device has a crosspiece in the top.
Preferably, safety device comprises a blocking device and a fixed mechanism, is used for safety device is locked in operating position.
Preferably, the crosspiece of safety device is provided with supporting member, and it touches and lean on by being arranged on safety buffer on the car unit downside at operating position.
Preferably, the top of car unit is provided with a safety rail to realize sufficient safety top space.
The safety device of the application of the invention has been guaranteed effective realization of the survival space of little action radius.Safety device of the present invention can be easy to automation.By being seated between car unit and the counterweight, it does not occupy any space below the elevator when elevator moves.Therefore, it can be used for having below the car elevator in very little space.This safety device also can be used for the elevator of other types.Safety device has platy structure, also allows it to be used as the fail-safe structure between the movable parts in the design.
Feature of the present invention and purpose can be understood that by detailed description with reference to the accompanying drawings described accompanying drawing only is purpose of illustration, and is not limited thereto.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described in detail.
Accompanying drawing 1 expression safety device of the present invention;
Accompanying drawing 2 expressions are in entopic safety device;
Accompanying drawing 3 expressions are in the safety device of operating position.
The specific embodiment
Fig. 1 represents safety device 1 of the present invention, by making such as long life materials such as steel, comprises the tabular stop device that is hinged on silo bottom by pivot 6.Being fitted on the stop device upper end is a crosspiece 5, is provided with strut member 8 in order to be abutted against the safety buffer that is secured to 9 bottom sides, car unit.Safety buffer also can be installed on the safety device, and its function is to be used for the damping impact.The car unit comprises car and car frame or only is car.Safety device rotates between a normal position and an operating position around its pivot 6.Safety device also comprises a blocking device 7, and it is locked in operating position with safety device 1.Blocking device can manually open and close.Except blocking device, safety device also comprises fixed mechanism 20, such as a magnet, in order to safety device is fixed on the operating position.The magnet cage guide of holding.Fixed mechanism also is fixed on safety device on the normal position, thus this moment a hold shaft structure and device is fixed on a upright position of magnet.Safety device is provided with a micro switch (micro switch), is used to discern its position and the data that show protective position are provided for apparatus for controlling elevator.
Among Fig. 2, safety device 1 is in the normal position, is the position of using during normal running between floor at elevator.Safety device is placed on the bottom 10 of vertical shaft, in the space 14 between counterweight and car unit.The car unit comprises car 19 and car frame 18 or car 19 only.Space 14 comprises the space between outward flange 15 in car unit and the hoistway wall 13, and counterweight 16 moves therein.The figure shows counterweight 16, though in fact when the car unit is in the bottom place counterweight can not be positioned at the bottom of vertical shaft.Under the situation shown in the figure, car unit 9 has arrived at bottom.Can see that safety device can be applicable to the scheme that has little space below the car well, because it does not occupy any space below the car unit when the car block operation.
When needs when above car unit 9, working on the car top, the car unit at first rests in the attendant can open the position on the car roof on door 11 backs.In order to ensure safety top space for the attendant.Top, car unit is provided with railing shape safety device 12, and it can turn to a safety precaution position on top, car unit.
Fig. 3 shows that safety device 1 is in an operating position, and wherein safety device is stopped at car apart from silo bottom 10 certain altitude places, thereby guarantees a survival space.Safety device 1 is installed in the bottom by pivot 6, and a safety device is provided with two pivots altogether.When the attendant wants when silo bottom is worked, he at first opens the door on the bottom, thereby prevents the motion of elevator.Then, the attendant enters the vertical shaft hole and safety device 1 is turned to operating position from its fixed mechanism release and with it, enters the road warp of car unit.Safety device guarantees that now by blocking device and anchor fitting locking survival space is present in the vertical shaft hole.In order to recover the normal operating state of elevator, safety device rotates back into its one upright position, normal position, and personnel leave the vertical shaft hole and apparatus for controlling elevator receives the data that show elevator permission motion.
The insider it is evident that different embodiments of the invention are not limited to above-mentioned example, but can change within the scope of the invention.
Claims (11)
1. elevator car safety (1) that is used to realize survival space, described elevator comprises a lift well, at the bottom of one vertical shaft (10), one car unit (9), one counterweight (16), platform door (11), the space (14) that limits by the respective wall (13) of the outward flange (15) of car unit and vertical shaft, counterweight can move in described space, safety device (1) had been arranged in the bottom (10) of vertical shaft already in the space that the outward flange of car unit and corresponding hoistway wall limit, make its road that is not positioned at counterweight through last, and on an operating position, safety device (1) can be introduced the road warp of car unit (9), it is characterized in that, safety device comprises a micro switch, and it provides the apparatus for controlling elevator data that show the safety precaution position and forbid normal running.
2. according to the elevator car safety described in the claim 1, it is characterized in that in the normal position, when elevator moved, safety device (1) was in stand up position basically with respect to the bottom (10) of vertical shaft, was positioned between car unit (9) and the counterweight (16).
3. according to the elevator car safety described in the claim 1, it is characterized in that safety device comprises the stop device (4) that is hinged on the silo bottom (10).
4. according to the elevator car safety described in the claim 2, it is characterized in that safety device comprises the stop device (4) that is hinged on the silo bottom (10).
5. elevator car safety according to claim 3 is characterized in that, described stop device (4) is a platy structure and is installed on the silo bottom (10) by the pivot (6) that is positioned at its lower edge.
6. elevator car safety according to claim 4 is characterized in that, described stop device (4) is a platy structure and is installed on the silo bottom (10) by the pivot (6) that is positioned at its lower edge.
7. according to each described elevator car safety among the claim 3-6, it is characterized in that stop device (4) has a crosspiece (5) in the top.
8. according to arbitrary described elevator car safety in the claim 1 to 6, it is characterized in that safety device comprises a blocking device (7) and a fixed mechanism (20), is used for safety device is locked in operating position.
9. according to the elevator car safety described in the claim 7, it is characterized in that safety device comprises a blocking device (7) and a fixed mechanism (20), is used for safety device is locked in operating position.
10. according to the elevator car safety described in the claim 7, it is characterized in that the crosspiece (5) of safety device (1) is provided with supporting member (8), it touches and leans on by being arranged on safety buffer on the car unit downside at operating position.
11. elevator car safety according to claim 1 is characterized in that, the top of car unit is provided with a safety rail (12) to realize sufficient safety top space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20002851 | 2000-12-22 | ||
| FI20002851A FI112640B (en) | 2000-12-22 | 2000-12-22 | Elevator safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1481332A CN1481332A (en) | 2004-03-10 |
| CN1224570C true CN1224570C (en) | 2005-10-26 |
Family
ID=8559810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01820869 Expired - Fee Related CN1224570C (en) | 2000-12-22 | 2001-12-19 | Safety device for elevator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1343712B1 (en) |
| CN (1) | CN1224570C (en) |
| FI (1) | FI112640B (en) |
| HK (1) | HK1059614A1 (en) |
| WO (1) | WO2002051737A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137276A (en) * | 2015-09-25 | 2018-06-08 | 奥的斯电梯公司 | Accessible formula buffer of elevator |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ532767A (en) | 2003-05-21 | 2004-12-24 | Inventio Ag | Lift installation with a buffer for creating a zone of protection in a lift installation and a method of creating a zone of protection |
| CN101068742B (en) * | 2004-11-30 | 2010-12-22 | 奥蒂斯电梯公司 | Elevator car with fold-away shock absorbing legs, and the corresponding elevator |
| FI120091B (en) * | 2006-11-10 | 2009-06-30 | Kone Corp | Counterbalanced drive wheel lift |
| DE102007049737A1 (en) | 2007-10-16 | 2009-04-23 | Exclusive Lift Gmbh | Elevator installation for persons and / or loads with at least one elevator car |
| WO2013025185A1 (en) * | 2011-08-12 | 2013-02-21 | Otis Elevator Company | Low pit access detection and monitoring |
| EP2838827B1 (en) * | 2012-04-20 | 2020-07-15 | KONE Corporation | Testing apparatus and safety arrangement |
| MY176465A (en) | 2013-10-29 | 2020-08-11 | Otsuka Pharma Co Ltd | Synthetic route to 2?-deoxy-2?,2?-difluorotetrahydrouridines |
| EP3401260B1 (en) | 2017-05-12 | 2023-08-09 | Otis Elevator Company | Elevator overrun systems |
| US20220024719A1 (en) * | 2018-12-19 | 2022-01-27 | Inventio Ag | Device for creating a temporary protective space |
| US11691847B2 (en) | 2019-06-20 | 2023-07-04 | Tk Elevator Corporation | Elevator travel blocking apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1203821B (en) * | 1983-05-25 | 1989-02-23 | G M V Service Srl | AUTOMATIC DEVICE TO CREATE A SAFETY COMPARTMENT IN LIFT OR LIFT-FREE EQUIPMENT |
| SE456417B (en) * | 1984-03-20 | 1988-10-03 | Sven Agren | Lift shaft with cage |
| CH667638A5 (en) * | 1985-09-27 | 1988-10-31 | Inventio Ag | Safety device for maintenance space under lift cabin - has prop swung outwards under cabin after carrier arm has been positioned |
| JPH0318575A (en) * | 1989-06-16 | 1991-01-28 | Mitsubishi Electric Corp | Operating circuit for elevator |
| NL9100059A (en) * | 1991-01-11 | 1992-08-03 | Otis Liften B V | Lift-cage position locking mechanism - has gravity operated locks providing lower and upper safety zones within a lift shaft |
| CA2166841C (en) * | 1995-01-31 | 2006-08-22 | Heinrich Foelix | Temporary working space protection |
| JPH0958942A (en) * | 1995-08-22 | 1997-03-04 | Mitsubishi Denki Bill Techno Service Kk | Space keeping device of elevator |
| US5806633A (en) * | 1995-12-22 | 1998-09-15 | Macuga; Henry J. | Elevator safety system incorporating false pit |
-
2000
- 2000-12-22 FI FI20002851A patent/FI112640B/en not_active IP Right Cessation
-
2001
- 2001-12-19 EP EP01994849.6A patent/EP1343712B1/en not_active Expired - Lifetime
- 2001-12-19 WO PCT/FI2001/001135 patent/WO2002051737A1/en not_active Application Discontinuation
- 2001-12-19 CN CN 01820869 patent/CN1224570C/en not_active Expired - Fee Related
-
2004
- 2004-04-13 HK HK04102569A patent/HK1059614A1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137276A (en) * | 2015-09-25 | 2018-06-08 | 奥的斯电梯公司 | Accessible formula buffer of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1481332A (en) | 2004-03-10 |
| FI20002851A0 (en) | 2000-12-22 |
| WO2002051737A1 (en) | 2002-07-04 |
| EP1343712B1 (en) | 2014-05-21 |
| FI112640B (en) | 2003-12-31 |
| HK1059614A1 (en) | 2004-07-09 |
| FI20002851A (en) | 2002-06-23 |
| EP1343712A1 (en) | 2003-09-17 |
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| REG | Reference to a national code |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051026 Termination date: 20191219 |