CN102020154B - Elevator equipment and anti-derail device used by the same - Google Patents
Elevator equipment and anti-derail device used by the same Download PDFInfo
- Publication number
- CN102020154B CN102020154B CN 201010262305 CN201010262305A CN102020154B CN 102020154 B CN102020154 B CN 102020154B CN 201010262305 CN201010262305 CN 201010262305 CN 201010262305 A CN201010262305 A CN 201010262305A CN 102020154 B CN102020154 B CN 102020154B
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- Prior art keywords
- guide rail
- electromagnet
- lift car
- unit
- derail
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides an elevator equipment and an anti-derail device used by the same, which can be used to prevent the derail condition without requiring a reserved space on the neck of a guide rail. The elevator equipment is provided with an elevating channel, a guide rail vertically disposed in the elevating channel, an elevator cabin and a balance weight, which are disposed in the elevatingchannel and used for the elevating, a guiding unit disposed in the elevator cabin or on the balance weight, which can be used to guide the elevator cabin or the balance weight to move along the guide rail, a derail device disposed in the guiding unit, which is provided with a magnet adhering to the guide rail by the earthquake. The elevator equipment is provided with an integrated structure of the guide rail and the elevator cabin or balance weight through the adherence of the magnet by the earthquake.
Description
Technical field
The present invention relates to a kind of lift facility and anti-derail unit that prevents that the lift car that travels and counterbalanced weight from coming off from guide rail in the hoist trunk of elevator.
Background technology
In elevator, lift car and counterbalanced weight carry out lifting moving along erectting in couples the guide rail that is arranged in the hoist trunk.In when, earthquake etc. having occured and having made lift car and counterbalanced weight emergent stopping, if the force of inertia of horizontal direction acts on lift car and the counterbalanced weight, then load centralization is in the rail-sides of a side, thereby may cause guide rail to produce distortion, cause the distance between the guide rail to increase, so that lift car and counterbalanced weight getaway.In order to address this problem, has the structure (for example with reference to patent documentation 1) of clamping guide rail neck when earthquake.
[patent documentation 1] open patent 2008-23040 of Japan communique
Although the structure of above-mentioned clamping guide rail neck has the derailing effect,, if the neck of guide rail is narrower, during the bolt when perhaps exist being used for connection guide rail etc., possibly can't obtain the required space of clamping neck, cause using said structure.
Summary of the invention
The object of the invention is to solve above-mentioned problem, the invention provides a kind of lift facility and anti-derail unit, this lift facility and anti-derail unit need to be near the neck of guide rail slot milling, and can prevent the situation of derailing.
To achieve these goals, the invention provides a kind of lift facility, it has: hoist trunk; Be erected to be arranged on the guide rail in the hoist trunk; In described hoist trunk, carry out lift car and the counterbalanced weight of lifting moving; And guidance unit, this guidance unit is arranged on described lift car or the described counterbalanced weight, guide described lift car or counterbalanced weight to carry out lifting moving along described guide rail, described lift facility is characterised in that, be provided with anti-derail unit on the described guidance unit, this anti-derail unit has the magnet that is adsorbed on the described guide rail when earthquake, described anti-derail unit possesses: absorbed portion, and its side and bottom surface in described rail-sides has electromagnet; Fixed part, it remains on this absorbed portion on the position that separates with described guide rail when normal; Axle is used in guiding, and it is arranged in the described absorbed portion; With the guiding otch, it is arranged in the described fixed part, and has the sloping portion that described absorbed portion is guided to the direction of leaving described guide rail along described guiding with axle on top, have in the bottom described absorbed portion is guided to the vertical component that is fixed on the direction on the described guide rail, described anti-derail unit has elastic body, be used for when described electromagnet is not energized, described electromagnet is remained on the position that separates with described guide rail by this elastic body, described lift facility has following system, that is: exploration seismic, and described lift car and described counterbalanced weight are stopped, after this utilize described electromagnet to adsorb, and after earthquake finishes, remove absorption, described lift facility has when earthquake absorption by described electromagnet makes described guide rail and described lift car or guide rail and described counterbalanced weight form integrated structure.
(invention effect)
According to the present invention, can construct a kind of derail-prevention structure, so that also can prevent derailing when near using the neck of guide rail, not having the small-sized guide rail in space.And, be not subjected to the restriction of guide rail size owing to prevent the structure of guidance unit derailing, so can realize the homogenization of guide rail structure.
Description of drawings
Fig. 1 is the lateral plan of structure of an embodiment of expression lift facility involved in the present invention.
Fig. 2 is the enlarged front view of the lift facility of Fig. 1.
Fig. 3 is the birds-eye view that is illustrated in the structure of the anti-derail unit that uses in the lift facility of prior art.
Fig. 4 is the birds-eye view of structure of the anti-derail unit of presentation graphs 1.
Fig. 5 is the birds-eye view of state in anti-derail unit when action of presentation graphs 4.
Fig. 6 is the front view of the anti-derail unit of Fig. 4 and Fig. 5.
Fig. 7 is the diagram of circuit of the motion flow of expression anti-derail unit.
Fig. 8 A is the front view of structure (under normal circumstances) of the anti-derail unit of expression embodiment 1.
Fig. 8 B is the lateral plan of state in anti-derail unit when action of presentation graphs 8A.
Fig. 9 A is the birds-eye view of structure (under normal circumstances) of the anti-derail unit of expression embodiment 2.
Fig. 9 B is the birds-eye view of state in anti-derail unit when action of presentation graphs 9A.
Figure 10 A is the front view of the anti-derail unit of Fig. 9 A.
Figure 10 B is the front view of the anti-derail unit of Fig. 9 B.
Among the figure: the 1-lift car; The 2-counterbalanced weight; The 3-guidance unit; The 4-guide rail; The 5-anti-derail unit; The 6-hoist trunk; The 9-earthquake detector; The 10-electromagnet.
The specific embodiment
Referring to accompanying drawing preferred implementation of the present invention is described.
Fig. 1 is the lateral plan of the lift facility structure of expression present embodiment, and Fig. 2 is the front view of lift car or counterbalanced weight.As shown in Figure 1, lift facility has hoist trunk 6, is erected to be arranged on the guide rail 4 in the hoist trunk 6 and lift car 1 and the counterbalanced weight 2 that carries out lifting moving along guide rail 4 in hoist trunk 6.Lift car 1 and counterbalanced weight 2 are suspended by the winch 8 in the Machine Room 7 that is arranged on hoist trunk 6 tops each other, and when the side in lift car 1 and the counterbalanced weight 2 rose, the opposing party descended.Be respectively arranged with guiding lift car 1 and counterbalanced weight 2 carry out lifting moving along guide rail 4 guidance unit 3 in the upper and lower of lift car 1 and counterbalanced weight 2.
As shown in Figure 2, in hoist trunk 6, respectively be erected to arrange pair of guide rails 4 (being provided with altogether four guide rails 4) in the both sides of lift car 1 and the both sides of counterbalanced weight 2.With respect to each root guide rail 4 guidance unit 3 (being provided with altogether eight guidance units 3) is set in the above and below of lift car 1 and counterbalanced weight 2 respectively, and each guidance unit 3 and 4 engagings of corresponding guide rail.Lift car 1 and counterbalanced weight 2 carry out lifting moving at the above-below direction of hoist trunk 6 under the guiding of guide rail 4 and guidance unit 3.Be provided with the anti-derail unit 5 that prevents guidance unit 3 getaways on each guidance unit 3.
The unit that is provided with exploration seismic on the bottom of hoist trunk 6 is earthquake detector 9.Earthquake detector 9 comes exploration seismic by surveying the prima (P ripple) that arrives before in principal earthquake (S ripple).Earthquake detector 9 can be arranged in the Machine Room 7.
In the present embodiment, with counterbalanced weight 2 sides the anti-derail unit 5 that structure is identical each other is installed all in lift car 1 side, below the anti-derail unit 5 of lift car 1 side is described.
With reference to Fig. 3 to Figure 10 B, by the lift facility that anti-derail unit 5 is installed of present embodiment and lift facility that anti-derail unit is not installed are compared, the anti-derail unit 5 of present embodiment is described thus.
Fig. 3 is the birds-eye view of lift car that the lift facility of anti-derail unit is not installed.Fig. 4 is the birds-eye view of lift car that the anti-derail unit of present embodiment has been installed.Fig. 5 is the birds-eye view of state in anti-derail unit when action of presentation graphs 4.Fig. 6 is the front view of expression anti-derail unit detailed construction.
As shown in Figure 3, engaging amount when guidance unit 3 engages with guide rail 4 is 3a, by guidance unit 3 and guide rail 4 being configured in with being mutually symmetrical the both sides of lift car 1, thereby even the interval (in the scope shown in the arrow of Fig. 3) in the scope of engaging amount 3a that guidance unit 3 is configured between the pair of guide rails 4 enlarges the structure that also can not make guidance unit 3 getaways 4.But when earthquake etc. had occured, under the effect of the force of inertia of lift car and counterbalanced weight etc., load was concentrated in guide rail 4 sides of a side, thereby can cause the interval of guide rail 4 to enlarge.The phenomenon of getaway when having surpassed engaging amount 3a, the extensive magnitude at the interval occurs.For the phenomenon that prevents getaway occurs, disclosed the structure of the neck of clamping guide rail when earthquake occurs, but this structure can not be applied on the small-sized guide rail that do not have grasping part etc.
As shown in Figure 4, the anti-derail unit 5 that the lift facility of present embodiment has has the magnet electromagnet 10 that is adsorbed on the guide rail 4 when earthquake, and this electromagnet 10 can be adsorbed on the guide rail 4 of steel.When earthquake detector 9 does not detect earthquake (hereinafter referred to as " normal time "), shown in the left part of Fig. 4 and Fig. 6 when normal (), owing to do not have electric current to flow through in the electromagnet 10, so electromagnet 10 does not produce magnetic force, and, by using the elastic bodys such as spring that electromagnet 10 is remained on the locational mechanism 11 that separates with guide rail 4, electromagnet 10 is maintained on the position that separates with guide rail 4.
Shown in the right side part (when earthquake has occured) of Fig. 5 and Fig. 6, detect earthquake at earthquake detector 9, and after lift facility stopped lift car 1 by the control operation, anti-derail unit 5 moved.When anti-derail unit 5 action, electromagnet 10 is energized and produces magnetic force, thereby is adsorbed on the guide rail 4.
By anti-derail unit 5 is adsorbed on the guide rail 4, the guidance unit 3 of the both sides of lift car 1 and guide rail 4 form integrated by anti-derail unit 5, and the interval between guide rail 4 and the guidance unit 3 can not enlarge.That is to say that by electromagnet 10 is adsorbed on the guide rail 4, guide rail 4 can not exceed the amount of engaging 3a with distance between the guidance unit 3, so anti-derail unit 5 can prevent guidance unit 3 getaways 4.
Below the motion flow of anti-derail unit 5 is described.Fig. 7 is the action flow chart of anti-derail unit 5.As shown in Figure 7, when earthquake detector 9 detects earthquake (step S71), make lift car 1 stop (step S72).If lift car 1 emergent stopping, then anti-derail unit 5 moves (step S73).As mentioned above, under the state that lift car 1 has stopped, anti-derail unit 5 makes electromagnet 10 energisings and electromagnet 10 is adsorbed on the guide rail 4, prevents from occuring because rocking of the generations such as earthquake and high wind causes the situation of getaway.Earthquake detector 9 detect earthquake during, keep electromagnet 10 always and be adsorbed on state (step S74 → no) on the guide rail 4.When earthquake detector 9 is surveyed less than earthquake (step S74 → be), anti-derail unit 5 separates electromagnet 10 and guide rail 4 by the energising of removing electromagnet 10, thereby makes electromagnet 10 turn back to position (step S75) when normal.
Lift facility according to present embodiment, when having occured to rock because of earthquake and high wind etc., after lift car 1 is stopped, the electromagnet 10 that is fixed on the lift car 1 (guidance unit 3) is adsorbed on the guide rail 4, it is integrated that lift car 1 and guide rail 4 are formed, thereby the situation that prevents getaway occurs, so, even do not have the small-sized guide rail in space near the neck of employing guide rail 4, can construct derail-prevention structure yet.In addition, in this lift facility, owing to be used for preventing that the structure of guidance unit 3 getaways is not subjected to the restriction of guide rail 4 sizes, so can realize the homogenization of guide rail 4 structures.In this lift facility, owing to only can bear by the guide rail 4 of both sides in the prior art the force of inertia that causes that rocks of earthquake that the guide rail 4 by a side bears, so the deflection of the guide rail after the earthquake is little, so that the work of elevator recovers to become to carry out easily.
As mentioned above, anti-derail unit 5 has electromagnet 10 and uses spring etc. when normal electromagnet 10 to be remained on the locational mechanism 11 that separates with guide rail 4, below, the embodiment of the anti-derail unit 5 of Fig. 4 to Fig. 6 is described.
(embodiment 1)
Fig. 8 A and Fig. 8 B are the front views of the 1st embodiment of expression anti-derail unit, and Fig. 8 A represents the anti-derail unit under the normal condition, the anti-derail unit when Fig. 8 B represents to move.Shown in Fig. 8 A, anti-derail unit 80 has: absorbed portion 81, and it is adsorbed on the head 4a (4b is neck among the figure) of guide rail 4; Fixed part 82, it is fixed on the lift car 1, is used for when normal absorbed portion 81 being remained on the position that separates with guide rail; And absorption slave part 83, it is fixed on the lift car 1, and the absorption that is adsorbed onto on the guide rail 4 that is used for auxiliary absorbed portion 81 is moved.Form on the face of the rail-sides of absorbed portion 81 by electromagnet 85 being arranged on absorbed portion main body 84 and the part of bottom surface.Absorption slave part 83 adopts iron and steel parts to consist of in order to be attached together with electromagnet 85.In fixed part 82, be formed with the guiding otch 86 or the guiding groove (not shown) that are adsorbed on the guide rail 4 or make absorbed portion 81 leave guide rail 4 for guiding absorbed portion 81, and be provided with and guide the guiding axle 87 that engages with otch 86.Guiding form with otch 86 that its top is cut with being tilted and more towards the below more near the shape of guide rail 4, in the parallel shape of bottom formation and guide rail 4.Between the bottom surface of absorbed portion 81 and lift car 1, be provided with spring 88.Be maintained on the position that separates with guide rail 4 when normal with axle 87 and spring 88, absorbed portion 81 with otch 86, guiding by guiding.
Shown in Fig. 8 B, behind electromagnet 85 pluggeds, under the effect of electromagnet 85 and guide rail 4 and electromagnet 85 and the gravitation of absorption slave part 83, electromagnet 85 is adsorbed on guide rail 4 and the absorption slave part 83.At this moment, absorption slave part 83 will be maintained at the locational absorbed portion 81 that separates with lift car 1 by spring 88 with the adsorption affinity more than the yellow power of bullet and adsorb towards the below.Specifically, absorbed portion 81 is used the otch of the sloping portion of otch 86 along guiding, direction guiding rail 4 sides and absorption slave part 83 side draughts are attached, if absorbed portion 81 is adsorbed to the below, then since guiding form along vertical direction (direction parallel with guide rail 4) with the bottom of otch 86, so its restriction absorbed portion 81 is mobile in the horizontal direction, absorbed portion 81 and guide rail 4 form one.Thus, anti-derail unit 80 is attracted on the guide rail 4, thereby can prevent that guide rail 4 from exceeding the engaging amount 3a of guidance unit 3 and getaway.
(embodiment 2)
Fig. 9 A and Fig. 9 B are the birds-eye vieies of the 2nd embodiment of expression anti-derail unit, and Fig. 8 A represents the anti-derail unit under the normal condition, the anti-derail unit when Fig. 8 B represents to move.Figure 10 A and Figure 10 B are respectively the front views of Fig. 9 A and Fig. 9 B.
Shown in Fig. 9 A and Figure 10 A, the anti-derail unit 90 of present embodiment has the mechanism that absorbed portion 91 is moved in vertical direction with respect to guide rail 4.Be fastened on fixed part 92 and absorbed portion 91 on the lift car 1 by spring 94, absorbed portion 91 is maintained on the position that separates with guide rail by spring 94 when normal.Be that with the difference of embodiment 1 absorbed portion 91 is configured on the position than fixed part 92 more close guide rail 4 sides, spring 94 is flexible in the direction vertical with guide rail 4.
Shown in Fig. 9 B and Figure 10 B, at lift car 1 when earthquake etc. having occured having carried out emergent stopping owing to, electromagnet 96 is energized and produces magnetic force, the electromagnet 96b that locks part 99 is adsorbed slave part 93 and attracts and be adsorbed on the absorption slave part 93, and the electromagnet 96a of the front end of absorbed portion main body is attracted by guide rail 4 and is adsorbed on the guide rail 4.Thus, similarly to Example 4, absorbed portion 91 forms one with guide rail 4, thereby can prevent that guide rail 4 from exceeding the engaging amount of guidance unit 3 and getaway.
As mentioned above, the present invention is not limited in above-mentioned embodiment, except above-mentioned embodiment, can also have various other embodiments.Employed magnet can use electromagnet 10 in the anti-derail unit 5, also can replace electromagnet 10 with the stronger permanent magnet of adsorption affinity, as long as device has and can make magnet remain on the locational structure of separating with guide rail.In addition, for example, also can according to the magnetic force of electromagnet 10, at a guidance unit a plurality of anti-derail units 5 be set.In this lift facility, in lift car 1 and counterbalanced weight 2, anti-derail unit 5 has been installed all, but also can only be installed on one of them.
Claims (2)
1. lift facility, it has: hoist trunk; Be erected to be arranged on the guide rail in the hoist trunk; In described hoist trunk, carry out lift car and the counterbalanced weight of lifting moving; And guidance unit, this guidance unit is arranged on described lift car or the described counterbalanced weight, guides described lift car or described counterbalanced weight to carry out lifting moving along described guide rail, and described lift facility is characterised in that,
Be provided with anti-derail unit on the described guidance unit, this anti-derail unit has the electromagnet that is adsorbed on the described guide rail when earthquake,
Described anti-derail unit possesses: absorbed portion, and its side and bottom surface in described rail-sides has electromagnet; Fixed part, it remains on this absorbed portion on the position that separates with described guide rail when normal; Axle is used in guiding, and it is arranged in the described absorbed portion; With the guiding otch, it is arranged in the described fixed part, and have on top described absorbed portion is guided to the sloping portion of the direction of leaving described guide rail, has in the bottom described absorbed portion is guided to the vertical component that is fixed on the direction on the described guide rail along described guiding with axle
Described anti-derail unit has elastic body, is used for when described electromagnet is not energized, described electromagnet being remained on the position that separates with described guide rail by this elastic body,
Described lift facility has following system, that is: exploration seismic, and described lift car and described counterbalanced weight are stopped, after this utilizing described electromagnet to adsorb, and after earthquake finishes, remove absorption,
And described lift facility has, and the absorption by described electromagnet makes described guide rail and described lift car or counterbalanced weight form integrated formation when earthquake.
2. lift facility according to claim 1 is characterized in that,
Described guide rail and described guidance unit are separately positioned on the both sides of described lift car or described counterbalanced weight, are provided with described anti-derail unit in each guidance unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009216626A JP5070265B2 (en) | 2009-09-18 | 2009-09-18 | Elevator equipment |
| JP2009-216626 | 2009-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102020154A CN102020154A (en) | 2011-04-20 |
| CN102020154B true CN102020154B (en) | 2013-10-16 |
Family
ID=43861988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010262305 Expired - Fee Related CN102020154B (en) | 2009-09-18 | 2010-08-19 | Elevator equipment and anti-derail device used by the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5070265B2 (en) |
| CN (1) | CN102020154B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9714158B2 (en) * | 2012-08-14 | 2017-07-25 | Mitsubishi Electric Corporation | Elevator counterweight device |
| WO2014102933A1 (en) * | 2012-12-26 | 2014-07-03 | 三菱電機株式会社 | Elevator device |
| CN106477429B (en) | 2015-08-25 | 2020-08-21 | 奥的斯电梯公司 | Elevator car guide mechanism |
| CN108622754A (en) * | 2018-05-16 | 2018-10-09 | 安徽工程大学 | A kind of building hoist derailing safety guard being easy to maintenance |
| EP3898484B1 (en) | 2018-12-20 | 2023-04-12 | Inventio Ag | Elevator system with derail protection |
| DE102023129553A1 (en) | 2023-10-26 | 2024-10-02 | Tk Elevator Innovation And Operations Gmbh | Lift system for guiding the lift car and/or counterweight, particularly in the case of seismic vibrations and use |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098824A (en) * | 2005-01-05 | 2008-01-02 | 东芝电梯株式会社 | Elevator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058961A (en) * | 1991-07-09 | 1993-01-19 | Hitachi Ltd | Elevator derail preventing device |
| JPH09202558A (en) * | 1996-01-30 | 1997-08-05 | Mitsubishi Denki Bill Techno Service Kk | Derail preventing device for elevator |
| JP4779769B2 (en) * | 2006-03-31 | 2011-09-28 | 三菱電機ビルテクノサービス株式会社 | Moving guide shoe device for elevator |
| JP4992281B2 (en) * | 2006-04-19 | 2012-08-08 | 三菱電機株式会社 | Elevator equipment |
-
2009
- 2009-09-18 JP JP2009216626A patent/JP5070265B2/en not_active Expired - Fee Related
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2010
- 2010-08-19 CN CN 201010262305 patent/CN102020154B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098824A (en) * | 2005-01-05 | 2008-01-02 | 东芝电梯株式会社 | Elevator |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2007-269442A 2007.10.18 |
| JP特开2007-284217A 2007.11.01 |
| JP特开平9-202558A 1997.08.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5070265B2 (en) | 2012-11-07 |
| JP2011063400A (en) | 2011-03-31 |
| CN102020154A (en) | 2011-04-20 |
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Granted publication date: 20131016 Termination date: 20190819 |