CN101134547B - Elevator car fixing device - Google Patents
Elevator car fixing device Download PDFInfo
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- CN101134547B CN101134547B CN2006100305611A CN200610030561A CN101134547B CN 101134547 B CN101134547 B CN 101134547B CN 2006100305611 A CN2006100305611 A CN 2006100305611A CN 200610030561 A CN200610030561 A CN 200610030561A CN 101134547 B CN101134547 B CN 101134547B
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- movable link
- spring
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- bayonet socket
- car
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention discloses one kind of lift cage fixing mechanism includes one cage, one fixing part in the elevating passage, one movable member in the cage, one movable member position detecting switch and one movable member pushing spring on the cage. The detecting switch detects the movable member in the holding production, the fixing part has one bayonet, the movable member may be located inside the bayonet to limit the moving of the cage, and the pushing spring pushes the movable member toward the holding position. The lift cage fixing mechanism has simple structure, low cost, highsafety and reliability, and easy operation.
Description
Technical field
The present invention relates to a kind of elevator car fixing device.
Background technology
The Chinese invention patent specification sheets CN1444539C (day for announcing: on September 24th, 2003) disclose a kind of cage moving limiting device.This device comprises the stationary member that is fixed in elevating road; Be installed in have the engagement section that engages with stationary member on the cage, and movable link that can displacement between reception position (position that breaks away from stationary member and allow cage to move) and clamped position (engage limit the position that cage moves with stationary member); The switching device that reception position, clamped position and their midway location are detected respectively.
Described switching device comprises two position detecting switchs.In order to realize the actuating length of detector switch, the mode that this invention has adopted rocking bar and cam to combine realizes the actuating length of switch.
Though utilize two position detecting switchs can detect three kinds of location statuss of movable link more accurately, but, this invention still has the following disadvantages in actual applications: at first from the actuating length of movable link, must there be strict position relation the engagement section of cam member, movable link, the engagement section of stationary member, otherwise the state of two position detecting switchs can not reflect the position of movable link well, make the design more complicated of movable link and tooling cost height.Secondly owing to need to rotate movable link, the engagement section of movable link is engaged in the engagement section of stationary member, therefore operate cumbersome.In addition, two position detecting switchs had both increased the cost of cage moving limiting device, made apparatus for controlling elevator control the relative complex that becomes again.
The Japanese Patent spy opens the 2000-203774 communique and has put down in writing a kind of lift car moving limiting device.This device comprises the stationary member that is installed on the car guide rail and has connecting hole, be installed in the support that elevator is put the beams in place and had two pilot holes and two bayonet sockets, be arranged in two pilot holes of support and have the securing rod of control lever, and detect the detector switch that securing rod is positioned at reception position.When securing rod was in reception position, securing rod was with the pressing detector switch; The control lever of securing rod is placed in the bayonet socket of support simultaneously, and securing rod can not be moved, thereby guarantees that detector switch is kept closed always.When the control lever of operational lock bar, securing rod is moved in the connecting hole of stationary member, and the control lever of securing rod is placed in another bayonet socket of support, thereby guarantee that securing rod is fastened in the connecting hole of stationary member, limit moving up and down of car.This invention is owing to only detect securing rod and whether be in reception position, thus can not know securing rod whether be in clamped position or be in reception position and clamped position between the position.When securing rod mediated, if detector switch is closed for a certain reason, at this moment lift car was moved by elevator traction machine, and securing rod might bump with the miscellaneous equipment that is installed in hoist trunk, and elevator device is caused bigger destruction.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of elevator car fixing device, and it is simple in structure, cost is low, safe and reliable, processing ease.
For solving the problems of the technologies described above, elevator car fixing device of the present invention comprises car, is arranged on the connecting element in the hoist trunk, is arranged on the movable link on the car, and a position detecting switch, described movable link have engaging and take in two positions; Wherein:
The normally closed contact that movable link is positioned at the bayonet socket of connecting element and position detecting switch is in clamped position when disconnecting, the moving up and down of restriction car; The bayonet socket of movable link disengaging connecting element and the normally closed contact of position detecting switch are in reception position when closed, and car can normally move; Also comprise:
The spring that a pair of movable link pushes, this spring is led by described movable link; When described movable link was positioned at clamped position, spring was compressed, and produced the antagonistic spring power of pushing movable link, and the direction of pushing is the direction that movable link returns reception position;
Be arranged on the fabricated section on the described car, this fabricated section has the mounting hole to described movable link guiding; Described movable link is arranged in the described mounting hole; Described spring and position detecting switch are arranged on the inside of described fabricated section.
Owing to adopt said structure, elevator car fixing device of the present invention only needs a position detecting switch, therefore the cost of device low, simple in structure, and and then make elevator control corresponding system simple.When the bayonet socket that is positioned at connecting element when movable link was in clamped position, spring had the spring force of pushing movable link to the motion of reception position direction.In case movable link does not have other to make every effort to overcome the clothes spring force like this, it will break away from connecting element immediately and be returned to reception position.Therefore by the effect of spring force, movable link can not be positioned at the midway location of reception position and clamped position under the effect that does not have external force, so movable link has only two location statuss, reception position and clamped positions.Because movable link has only two location statuss, so only need a position detecting switch can detect the residing state of movable link, the control logic of apparatus for controlling elevator also obtains simplifying simultaneously.Judge promptly whether movable link is in reception position,, otherwise stop elevator traction machine to drive car if be positioned at reception position then elevator normally moves.
Because movable link can not be positioned at the midway location of reception position and clamped position, so movable link can not appear in the present invention when being positioned at the midway location of reception position and clamped position, the misoperation of elevator causes movable link that the miscellaneous equipment that is installed in hoist trunk is bumped, thereby elevator device is caused problem than havoc.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and preferred embodiment:
Fig. 1 is the front view of first kind of embodiment of elevator car fixing device of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the front view of second kind of embodiment of elevator car fixing device of the present invention;
Fig. 4 is the front view of the third embodiment of elevator car fixing device of the present invention;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the front view of the 4th kind of embodiment of elevator car fixing device of the present invention;
Fig. 7 is the upward view of Fig. 6.
The specific embodiment
In first kind of embodiment of the present invention shown in Fig. 1,2, connecting element 3 is installed on the car guide rail 2, and spring mounting seat 5, fabricated section 8 and switch mount pad 10 are installed on the car frame crossbeam 1.Spring mounting seat 5 which is provided with a through hole between connecting element 3 and fabricated section 8; The both ends of the surface of fabricated section 8 respectively are provided with a mounting hole, and the lower surface is provided with a bayonet socket.Movable link 4 is located in the through hole of the mounting hole (this mounting hole leads to movable link 4) of fabricated section 8 and spring mounting seat 5.There is a shaft shoulder at the middle part of movable link 4, and spring 6 is located on the movable link 4, and between the shaft shoulder of spring mounting seat 5 and movable link 4.The part that movable link 4 is positioned at fabricated section 8 is provided with a control lever 7.Position detecting switch 9 is installed on the switch mount pad 10.
When movable link 4 was positioned at clamped position, control lever 7 was snapped in the bayonet socket of fabricated section 8, spring 6 is produced compression, and spring 6 reacted on movable link 4 to its generation pushing, and the direction of pushing is to make movable link 4 return the direction of reception position.Because position detecting switch 9 disconnects this moment, so apparatus for controlling elevator will limit the mobile of lift car, thereby can carry out the maintenance and the care work of elevator.If want movable link 4 to be indexed to reception position from clamped position, only need shake control lever 7 makes it break away from the bayonet socket of fabricated section 8, spring 6 will push the shaft shoulder of movable link 4 automatically, make movable link 4 leave clamped position, and moving to reception position, apparatus for controlling elevator will be in normal elevator operation.
Because movable link 4 has only two kinds of positions, so adopt a position detecting switch 9 just can detect movable link 4 residing positions.Therefore, whole apparatus structure is simple, and safe and reliable, and cost is low.Can not cause damage to it when making movable link 4 impingement position detector switches 9, when movable link 4 moved to reception position and pressing position detecting switch 9, its shaft shoulder will touch fabricated section 8, thereby stoped the further motion of movable link 4.
Referring to Fig. 3, the difference of second kind of embodiment of the present invention and first kind of embodiment is that fabricated section 8 is provided with two bayonet sockets, the clamped position of the corresponding movable link 4 in the position of a bayonet socket, the reception position of the corresponding movable link 4 in the position of another bayonet socket.When movable link 4 is in reception position, need M/C that control lever 7 is snapped in the corresponding bayonet socket of fabricated section 8 like this.
The third embodiment of the present invention is shown in Fig. 4,5.Different with first kind of embodiment is movable link 4 has a bayonet part near the head of connecting elements 3, and this bayonet part inserts movable links 4 by a bayonet socket axle 11 and forms, and while fabricated section 8 is provided with the bayonet socket that is used to block control lever 7.When movable link 4 was positioned at the bayonet socket of connecting element 3, need with lift car up or some distances that move down could utilize bayonet socket axle 11 that movable link 4 is fastened in the bayonet socket of connecting element 3 this moment.Because the bayonet part that has bayonet socket axle 11 and movable link 4 to form, so just there is no need to be provided with in addition bayonet socket on the fabricated section 8.When the bayonet part of movable link 4 and 11 formation of bayonet socket axle does not engage with the bayonet socket of connecting element 3, spring 6 will push movable link 4 and turn back to reception position.
Shown in Fig. 6,7, position detecting switch 9 and spring 6 are arranged on the inside of fabricated section 8 in the 4th kind of embodiment of the present invention.Spring 6 and is a guiding with movable link 4 between fabricated section 8 and control lever 7; Described position detecting switch 9 is installed on the described fabricated section 8, and is positioned at the end away from connecting element 3.Movable link 4 is for having the axle of ladder-type structure.Fabricated section 8 is provided with the pilot hole of guiding control lever 7 and blocks the bayonet socket of control lever 7.
When movable link 4 was positioned at clamped position, position detecting switch 9 was disconnected by its normally closed contact of movable link 4 pressings; When movable link 4 was positioned at reception position, position detecting switch 9 did not contact with movable link 4 substantially, thereby it is automatically reset, and its normally closed contact is connected.The disconnection of position detecting switch 9 is not the effect realization by spring like this, thereby the disconnection that can guarantee position detecting switch 9 is very reliable.
In order to make movable link 4 can be positioned at clamped position more reliably, the bayonet socket of a control lever 7 is set on fabricated section 8.When movable link 4 is positioned at clamped position, the pilot hole of control lever 7 along fabricated section 8 can be moved and finally be arranged in its bayonet socket like this.This moment, control lever 7 was controlled in this bayonet socket securely, can control lever 7 be back to reception position because of vibration or some other action of elevator, and is as safe as a house reliable.
[0031] certain, the compression stroke of spring 6 can be shorter than the stroke of movable link 4 in the present invention.But the compression stroke of spring 6 must guarantee that when movable link 4 was positioned at clamped position, in a single day control lever 7 left the bayonet socket of fabricated section 8, and spring 6 pushing movable links 4 leave the bayonet socket of connecting element 3.Even and should make movable link 4 move to elevator traction machine when driving the car misoperation, 4 pairs of miscellaneous equipments that are installed in hoist trunk of movable link do not bump, thereby can not cause any destruction to elevator device.The mode of motion of movable link also can be to rotate among the present invention in addition, and wherein turning cylinder is arranged on the car.
Claims (4)
1. an elevator car fixing device comprises car, is arranged on the connecting element in the hoist trunk, is arranged on the movable link on the car, a position detecting switch; Described movable link has engaging and takes in two positions; It is characterized in that:
The normally closed contact that movable link is positioned at the bayonet socket of connecting element and position detecting switch is in clamped position when disconnecting, the moving up and down of restriction car; The bayonet socket of movable link disengaging connecting element and the normally closed contact of position detecting switch are in reception position when closed, and car can normally move; Also comprise:
The spring that a pair of movable link pushes, this spring is led by described movable link; When described movable link was positioned at clamped position, described spring was compressed, and produced the antagonistic spring power of this movable link of pushing, and the direction of pushing is the direction that movable link returns reception position;
Be arranged on the fabricated section on the described car, this fabricated section has the mounting hole to described movable link guiding; Described movable link is arranged in the described mounting hole; Described spring and position detecting switch are arranged on the inside of described fabricated section.
2. elevator car fixing device as claimed in claim 1 is characterized in that: described movable link is provided with a control lever, and described fabricated section is provided with a bayonet socket, and when movable link was positioned at clamped position, described control lever was fastened in the bayonet socket of described fabricated section; The spring force that the spring pressurized produces is delivered on the movable link by control lever.
3. elevator car fixing device as claimed in claim 1 is characterized in that: described movable link is the axle with ladder-type structure.
4. elevator car fixing device as claimed in claim 2 is characterized in that: described fabricated section has the pilot hole of the described control lever of guiding, operates described control lever by this pilot hole and drives described movable link and move to clamped position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100305611A CN101134547B (en) | 2006-08-30 | 2006-08-30 | Elevator car fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100305611A CN101134547B (en) | 2006-08-30 | 2006-08-30 | Elevator car fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101134547A CN101134547A (en) | 2008-03-05 |
| CN101134547B true CN101134547B (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100305611A Active CN101134547B (en) | 2006-08-30 | 2006-08-30 | Elevator car fixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101134547B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010120745A (en) * | 2008-11-20 | 2010-06-03 | Nippon Otis Elevator Co | Apparatus for preventing elevator from moving with door opened |
| US9643820B2 (en) | 2009-05-08 | 2017-05-09 | Otis Elevator Company | Device for preventing travel of an elevator with its doors open |
| CN101792081A (en) * | 2010-03-31 | 2010-08-04 | 江南嘉捷电梯股份有限公司 | Sedan fixing device of elevator |
| CN101798037A (en) * | 2010-03-31 | 2010-08-11 | 江南嘉捷电梯股份有限公司 | Car fixing device of lift |
| CN102372209A (en) * | 2011-09-29 | 2012-03-14 | 苏州富士电梯有限公司 | Safety device for elevator overhaul |
| CN102530667A (en) * | 2012-02-27 | 2012-07-04 | 希姆斯电梯(中国)有限公司 | Safety device for elevator maintenance |
| CN103145016B (en) * | 2013-03-20 | 2015-10-21 | 苏州台菱电梯有限公司 | A kind of lift car automatic falling-proof holdout device |
| CN103287949B (en) * | 2013-06-17 | 2015-08-12 | 柳雪春 | Straight top type heavy duty lift work platform |
| CN103395667B (en) * | 2013-08-21 | 2015-07-29 | 上海微频莱机电科技有限公司 | Safety protection mechanism for accidental |
| CN105151935A (en) * | 2015-08-18 | 2015-12-16 | 杜敏强 | Bolt type safety guaranteeing structure for elevator |
| CN108473276B (en) * | 2016-01-08 | 2019-10-11 | 三菱电机株式会社 | Carriage moving limiting device and elevator |
| CN106956991A (en) * | 2016-01-11 | 2017-07-18 | 上海威茨堡电梯有限公司 | A kind of elevator mechanical stopping device |
| WO2018025312A1 (en) * | 2016-08-01 | 2018-02-08 | 三菱電機株式会社 | Car fixing device for elevator |
| CN108502694A (en) * | 2018-05-23 | 2018-09-07 | 苏州市职业大学 | A kind of staircase auxiliary device preventing baggage slide |
| CN111071901A (en) * | 2018-10-19 | 2020-04-28 | 奥的斯电梯公司 | Elevator system and multi-deck car for elevator system |
| CN111606239A (en) * | 2020-06-28 | 2020-09-01 | 河南卫华特种车辆有限公司 | Heavy type lifting machine with guiding and locking functions |
| CN114314250B (en) * | 2020-10-09 | 2023-02-17 | 迅达（中国）电梯有限公司 | Elevator car damping device and elevator system |
| JP2022142802A (en) * | 2021-03-17 | 2022-10-03 | 三菱電機株式会社 | Movement regulation device of elevator car |
| CN114426234A (en) * | 2022-02-17 | 2022-05-03 | 权钧 | Elevator can save oneself when elevator trouble |
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|---|---|---|---|---|
| CN1157796A (en) * | 1995-11-29 | 1997-08-27 | 奥蒂斯电梯公司 | Locking horizontally moveable elevator cab to elevator platform |
| US5773771A (en) * | 1996-07-30 | 1998-06-30 | Chatham; Charles | Apparatus for preventing unintended movement of elevator car |
| CN2416081Y (en) * | 2000-03-21 | 2001-01-24 | 蒋志明 | Device for floor-levelling for construction elevator |
| CN2633846Y (en) * | 2003-05-26 | 2004-08-18 | 黄光智 | Rope broken safety protector for lift |
| CN1555336A (en) * | 2002-09-13 | 2004-12-15 | 三菱电机株式会社 | Car fixing device of lift |
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2006
- 2006-08-30 CN CN2006100305611A patent/CN101134547B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157796A (en) * | 1995-11-29 | 1997-08-27 | 奥蒂斯电梯公司 | Locking horizontally moveable elevator cab to elevator platform |
| US5773771A (en) * | 1996-07-30 | 1998-06-30 | Chatham; Charles | Apparatus for preventing unintended movement of elevator car |
| CN2416081Y (en) * | 2000-03-21 | 2001-01-24 | 蒋志明 | Device for floor-levelling for construction elevator |
| CN1555336A (en) * | 2002-09-13 | 2004-12-15 | 三菱电机株式会社 | Car fixing device of lift |
| CN2633846Y (en) * | 2003-05-26 | 2004-08-18 | 黄光智 | Rope broken safety protector for lift |
Non-Patent Citations (1)
| Title |
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| JP特开2000-203774A 2000.07.25 |
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| Publication number | Publication date |
|---|---|
| CN101134547A (en) | 2008-03-05 |
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