CN1289377C - Car upper handrail device of elevator - Google Patents
Car upper handrail device of elevator Download PDFInfo
- Publication number
- CN1289377C CN1289377C CN00819195.6A CN00819195A CN1289377C CN 1289377 C CN1289377 C CN 1289377C CN 00819195 A CN00819195 A CN 00819195A CN 1289377 C CN1289377 C CN 1289377C
- Authority
- CN
- China
- Prior art keywords
- handrail
- cage
- elevator
- car upper
- rotation
- 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
- B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a handrail device at the top of an elevator cage. A pair of fixed handrails are separated from each other along the width direction of the elevator cage and are vertically arranged at the top of the elevator cage; one end part of the fixed handrails is positioned near the front-end part of the elevator cage, and the other end part is positioned in the middle part in the depth direction of the elevator cage; a pair of rotary handrails can respectively extend from the other end part of the fixed handrails along the width direction of the elevator cage, and can rotate between the closing position of closing the other end part and the opening position of extending from the other end part of the fixed handrails along the depth direction of the elevator cage.
Description
Technical field
The present invention relates to be arranged on the cage top, will maintain the car upper handrail device of elevator that operating area that operation uses surrounds at the cage top.
Background technology
When the maintenance of elevator, worker was stepped at the cage top in the past, and the equipment at machine in the elevating road and cage top is maintained operation.The safety of the worker during for the operation at this cage top normally is provided with car upper handrail device of elevator at the cage top.
Again, in cage and the gap between the elevating road top ceiling in order to reduce to stop at the superiors as far as possible and reduce the amount of stretching out from the top of building at the elevating road top and make cage surpass the superiors and when arriving physically the uppermost position in fig-ure that rises, the equipment that must guarantee the cage top does not bump with the elevating road top ceiling, and guarantees the safety of worker when the cage operation at top.
Yet when the top of cage existed the equipment of the crossbeam of building and elevator, (for example 750～900mm) handrail just can not reduce the gap between cage and the elevating road top ceiling if at the cage top desired height is set.
To this, Figure 10 is the block diagram of the car upper handrail device of elevator of the traditional elevator shown in for example real fair 2-42704 communique, Figure 11 is the lateral plan of the car upper handrail device of elevator of expression Figure 10, and Figure 12 is the lateral plan of expression with the folding back of the car upper handrail device of elevator state of Figure 11.As shown in Figure 10 and Figure 11, the car upper handrail device of elevator 2 that is arranged on the cage 1 is assembled when maintenance.On the other hand, when turning round usually, as shown in figure 12, car upper handrail device of elevator 2 is collapsible, to reduce height.
But, above-mentioned this traditional folding car upper handrail device of elevator complex structure, the part number is many, the cost height.Again, the time must assemble handrail and fold, prolong the time of maintenance operation, reduce the operating efficiency of elevator in maintenance.
Summary of the invention
The present invention is exactly in order to solve the above problems, and its purpose is, provides a kind of and not only can avoid and be in the crossbeam of cage top position and equipment bumps but also car upper handrail device of elevator simple in structure, that cost is low.
Car upper handrail device of elevator of the present invention is arranged on the cage top, being used for maintaining at the cage top operating area that operation uses surrounds, it is characterized in that, comprising: near the upright spaced reciprocally top of being located at described cage of the Width of cage, leading section that an end is positioned at described cage, the other end is positioned at a pair of fixed armrest of pars intermedia of the depth direction of described cage; And can reach a pair of rotation handrail that rotates between the open position that extends along described cage depth direction from the other end of described a pair of fixed armrest in the other end along the Width extension of described cage and the off position that the other end is closed respectively from described a pair of fixed armrest.
Car upper handrail device of elevator of the present invention also have be configured in described cage rearward end, can be when being in described open position the leading section of described rotation handrail between bonded assembly rear portion handrail.
Car upper handrail device of elevator of the present invention is provided with by limiting the brake component of the rotation of described rotation handrail with the leading section butt of described rotation handrail on the handrail of described rear portion.
Car upper handrail device of elevator of the present invention also has by described a pair of rotation handrail is interconnected described rotation handrail is remained on holding device on the described off position.
Car upper handrail device of elevator of the present invention also has the force application apparatus of the described rotation handrail application of force to make it to rotate to the direction of described open position.
Car upper handrail device of elevator of the present invention also has and detects whether described rotation handrail is in off position and to the detecting device of the control setup output detection signal of control elevator running.
Description of drawings
Fig. 1 is the lateral plan of the car upper handrail device of elevator of expression the invention process form 1.
Fig. 2 is the cutaway view along the II-II line of Fig. 1.
Fig. 3 turns to the rotation handrail of Fig. 1 for expression the lateral plan of the state of open position.
Fig. 4 is the cutaway view along the IV-IV line of Fig. 3.
Fig. 5 is the lateral plan of the car upper handrail device of elevator of expression the invention process form 2.
Fig. 6 is the cutaway view along the VI-VI line of Fig. 5.
Fig. 7 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 3.
Fig. 8 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 4.
Fig. 9 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 5.
Figure 10 is the block diagram of expression traditional elevator car upper handrail device one example.
Figure 11 is the lateral plan of the car upper handrail device of elevator of expression Figure 10.
Figure 12 is the lateral plan of expression with the folding back of the car upper handrail device of elevator state of Figure 11.
The specific embodiment
Below, be applicable to example of the present invention with reference to description of drawings.
Example 1
Fig. 1 is the lateral plan of the car upper handrail device of elevator of expression the invention process form 1, and Fig. 2 is the cutaway view along the II-II line of Fig. 1.Among the figure, in elevating road 11, be provided with pair of guide rails 12.Cage 13 is subjected to guide rail 12 guiding and carries out lifting in elevating road 11.Be respectively arranged with the door 14,15 of cage in the front and back of cage 13.
Lift port be provided with cage the door 14,15 subtends lift port door 16,17.Dispose the building crossbeam of when elevator is installed, the equipment elevator being used 18 above the cage 13 in elevating road 11.
Cage 13 is provided with and will maintains the operating area A that operation uses, the car upper handrail device of elevator 20 that B surrounds on cage 13.Car upper handrail device of elevator 20 has a pair of fixed armrest 21,22 and a pair of rotation handrail 23,24.
The upright spaced reciprocally top of being located at cage 13 of fixed armrest 21,22 Widths (above-below direction of Fig. 2) along cage 13.Again, an end of fixed armrest 21,22 is positioned near the leading section of cage 13.The other end of fixed armrest 21,22 is positioned at the pars intermedia of the depth direction (left and right directions of Fig. 2) of cage 13.
But rotate handrail 23,24 each leisure and between the open position of cage 13 depth directions extension, rotate (kwan-yin opening type) along the extension of cage 13 Widths and with the off position of closing between the other end, the other end that reaches as shown in Figure 3 and Figure 4 from a pair of fixed armrest 21,22 from the other end of a pair of fixed armrest 21,22.
Adopt this car upper handrail device of elevator 20, when maintenance, worker is climbed up cage 13 tops from the lift port of the front side (left side of Fig. 1 and Fig. 2) of cage 13. Rotating handrail 23,24 when in the closed position, in the A of operating area, carry out operation.Again, when worker moves to operating area B, as shown in Figure 3 and Figure 4, cage 13 drop to rotate handrail 23,24 not can with the position of crossbeam 18 collisions, under this state, rotate handrail 23,24 and turn to open position.
When turning round usually, rotate handrail 23,24 and turn to off position in advance, so as shown in Figure 1, the crossbeam 18 and the equipment thereof that are positioned at cage 13 tops can not collide with rotation handrail 23,24.
That is, can avoid being positioned at crossbeam 18 and the equipment and car upper handrail device of elevator 20 collisions of cage 13 tops.Again, rotate as long as rotate handrail 23,24, with regard to changeable operating area A, B, the while can be avoided the collision with crossbeam 18 and equipment, thus simple in structure, can reduce cost, also can prevent to prolong the maintenance production time.
Again, a crossbeam 18 of reusing that uses when elevator is installed also can take off after installation, but pretty troublesome.And the structure of employing example 1 because of car upper handrail device of elevator 20 can not collide with crossbeam 18, stays crossbeam 18 so needn't remove, and has saved the trouble when removing.
And, by keeping crossbeam 18, when changing the main cable (not shown) of suspention cage 13, can from crossbeam 18, cage 13 be hung, saved the trouble that new lifting place is set, can improve the operation of maintenance operation.
Example 2
Fig. 5 is the lateral plan of the car upper handrail device of elevator of expression the invention process form 2, and Fig. 6 is the cutaway view along the VI-VI line of Fig. 5.In example 2, the door 14 of cage only is set in the front side of cage 13.Dispose bonded assembly rear portion handrail 25 between the leading section of the rotation handrail 23,24 when being shown in an open position in the rearward end at cage 13 tops.Other structure is identical with example 1.
Like this, when the rear side of cage 13 did not have the door of cage, the rearward end at cage 13 tops also must configured in advance rear portion handrail 25.At this moment, crossbeam 18 with on the position of elevating road equipment collision is not fixed with rear portion handrail 25 when common running, when rotating after handrail 23,24 turns to open position, be connected with rear portion handrail 25 because of rotating handrail 23,24, so can avoid and crossbeam 18 that is positioned at cage 13 tops and equipment collision thereof, and simple in structure, can reduce cost, also can prevent to prolong the maintenance production time.
Example 3
Fig. 7 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 3.In this embodiment, brake component 26,27 is set at the both ends of rear portion handrail 25, rotates handrail 23,24 to the rotation of opening direction by limiting with the leading section butt that rotates handrail 23,24.Other structure is identical with example 2.
Adopt this car upper handrail device of elevator, the rotation of handrail 23,24 is rotated in available simple structure restriction, prevents to rotate the collisions such as equipment at handrail 23,24 and cage top.
Example 4
Fig. 8 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 4.Among the figure, rotate handrail 23,24 by with their interconnective holding devices, be that fix screw 28 is maintained in its closed position.Again, rotate handrail 23,24 by force application apparatus, be that torsion-coil spring 29,30 applies power all the time towards the direction of rotating to open position.
Adopt this car upper handrail device of elevator, be to rotate handrail 23,24 by fix screw 28 to be maintained in its closed position, so when turning round usually, can prevent to rotate handrail 23,24 and turn to open position, can prevent to rotate collisions such as the crossbeam 18 of handrail 23,24 and cage 13 tops and equipment thereof more reliably because of vibration waits to cause.
Again, carry out the application of force,, can improve operation so just can easily make rotation handrail 23,24 turn to open position as long as take off fix screw 28 because of utilizing 29,30 pairs of torsion-coil springs to rotate handrail 23,24.
In addition, holding device is not limited to fix screw 28, for example also is hooked on the coupling devices such as hook that rotate 23,24 on handrail.Again, holding device also can adopt to be separately fixed at and rotate on the handrail 23,24 and the permanent magnet that attracts each other and the combination of magnetic sheet.And holding device also is connected the rope that rotates 23,24 on handrail and steel wire etc.
Again, force application apparatus also is not limited to torsion-coil spring 29,30.
Example 5
Fig. 9 wants the birds-eye view of portion for the car upper handrail device of elevator of expression the invention process form 5.Among the figure, rotate handrail 23,24 and whether be in detecting device that off position uses, be micro-switch 31 rotating to dispose between the handrail 23,24 to detect.Specifically, micro-switch 31 carries on a side rotation handrail 23, is operated by the opposing party's rotation handrail 23.
Detection signal from micro-switch 31 is exported to the control setup (not shown) of control elevator running.When adopting control setup, but when rotating handrail 24 normal operation when in the closed position.But when rotating handrail 24 when not in the closed position, then be considered as might with crossbeam 18 collisions such as grade, the lifting range of cage 3 is restricted.
Adopt this car upper handrail device of elevator,, can prevent to rotate the collision of the crossbeam 18 of handrail 23,24 and cage 13 tops and equipment thereof etc. more reliably by micro-switch 31 is set.
Detecting device is not limited to micro-switch 31 in addition, also can use other mechanical switch, optical switch, in abutting connection with sensor etc.
Claims (6)
1. a car upper handrail device of elevator is arranged on the cage top, is used for surrounding maintain the operating area that operation uses at the cage top, it is characterized in that, comprising:
Near the upright spaced reciprocally top of being located at described cage of the Width of cage, leading section that an end is positioned at described cage, the other end is positioned at a pair of fixed armrest of pars intermedia of the depth direction of described cage; And
Can reach a pair of rotation handrail that rotates between the open position that extends along described cage depth direction from the other end of described a pair of fixed armrest in the other end along the Width extension of described cage and the off position that the other end is closed respectively from described a pair of fixed armrest.
2. car upper handrail device of elevator as claimed in claim 1 is characterized in that, also have be configured in described cage rearward end, can be when being in described open position the leading section of described rotation handrail between bonded assembly rear portion handrail.
3. car upper handrail device of elevator as claimed in claim 2 is characterized in that, on the handrail of described rear portion, is provided with by limiting the brake component of the rotation of described rotation handrail with the leading section butt of described rotation handrail.
4. car upper handrail device of elevator as claimed in claim 1 is characterized in that, also has by described a pair of rotation handrail is interconnected described rotation handrail is remained on holding device on the described off position.
5. car upper handrail device of elevator as claimed in claim 4 is characterized in that, also has the force application apparatus of the described rotation handrail application of force to make it to rotate to the direction of described open position.
6. car upper handrail device of elevator as claimed in claim 1 is characterized in that, also has to detect whether described rotation handrail is in off position and to the detecting device of the control setup output detection signal of control elevator running.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2000/009425 WO2002053484A1 (en) | 2000-12-28 | 2000-12-28 | Car upper handrail device of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1437556A CN1437556A (en) | 2003-08-20 |
| CN1289377C true CN1289377C (en) | 2006-12-13 |
Family
ID=11736870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00819195.6A Expired - Fee Related CN1289377C (en) | 2000-12-28 | 2000-12-28 | Car upper handrail device of elevator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1346942B1 (en) |
| JP (1) | JP4694096B2 (en) |
| CN (1) | CN1289377C (en) |
| DE (1) | DE60040100D1 (en) |
| WO (1) | WO2002053484A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848755A (en) * | 2015-07-23 | 2018-03-27 | 三菱电机株式会社 | The car upper handrail device of elevator |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002085773A1 (en) * | 2001-04-17 | 2002-10-31 | Mitsubishi Denki Kabushiki Kaisha | Elevator cage and elevator |
| CN100522782C (en) * | 2004-01-30 | 2009-08-05 | 三菱电机株式会社 | Elevator |
| JP4619016B2 (en) * | 2004-03-01 | 2011-01-26 | 東芝エレベータ株式会社 | View elevator equipment platform |
| NL1030867C2 (en) * | 2006-01-06 | 2007-07-09 | Melker B V De | Safety construction is for lift and comprises at least two uprights, at least one horizontal piece connected with uprights, devices for fixture of construction to lift cage, at least one bolting component for securing the construction |
| JP4415025B2 (en) * | 2007-02-28 | 2010-02-17 | 株式会社日立ビルシステム | Elevator car handrail device |
| EP3247664B1 (en) * | 2015-01-20 | 2019-10-23 | Inventio AG | Elevator |
| JP6429742B2 (en) * | 2015-07-06 | 2018-11-28 | 三菱電機株式会社 | Elevator car equipment |
| WO2018078211A1 (en) * | 2016-10-25 | 2018-05-03 | Kone Corporation | Elevator and elevator car roof railing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0242704Y2 (en) * | 1986-04-30 | 1990-11-14 | ||
| JPH04292386A (en) * | 1991-03-20 | 1992-10-16 | Toshiba Corp | Safety fence for hydraulic elevator cage |
| JP4245209B2 (en) * | 1998-09-03 | 2009-03-25 | 東芝エレベータ株式会社 | Elevator |
-
2000
- 2000-12-28 CN CN00819195.6A patent/CN1289377C/en not_active Expired - Fee Related
- 2000-12-28 DE DE60040100T patent/DE60040100D1/en not_active Expired - Lifetime
- 2000-12-28 WO PCT/JP2000/009425 patent/WO2002053484A1/en active IP Right Grant
- 2000-12-28 JP JP2002554610A patent/JP4694096B2/en not_active Expired - Fee Related
- 2000-12-28 EP EP00985997A patent/EP1346942B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848755A (en) * | 2015-07-23 | 2018-03-27 | 三菱电机株式会社 | The car upper handrail device of elevator |
| CN107848755B (en) * | 2015-07-23 | 2019-07-09 | 三菱电机株式会社 | The car upper handrail device of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1346942A1 (en) | 2003-09-24 |
| EP1346942B1 (en) | 2008-08-27 |
| EP1346942A4 (en) | 2006-04-26 |
| DE60040100D1 (en) | 2008-10-09 |
| CN1437556A (en) | 2003-08-20 |
| JP4694096B2 (en) | 2011-06-01 |
| WO2002053484A1 (en) | 2002-07-11 |
| JPWO2002053484A1 (en) | 2004-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20100128 |