CN101024465B - Elevator testing method and its assistant device and elevator device - Google Patents

Elevator testing method and its assistant device and elevator device Download PDF

Info

Publication number
CN101024465B
CN101024465B CN 200710004712 CN200710004712A CN101024465B CN 101024465 B CN101024465 B CN 101024465B CN 200710004712 CN200710004712 CN 200710004712 CN 200710004712 A CN200710004712 A CN 200710004712A CN 101024465 B CN101024465 B CN 101024465B
Authority
CN
China
Prior art keywords
auxiliary device
counterbalanced weight
lift car
recovery portion
experiment auxiliary
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
Application number
CN 200710004712
Other languages
Chinese (zh)
Other versions
CN101024465A (en
Inventor
萩谷知文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN101024465A publication Critical patent/CN101024465A/en
Application granted granted Critical
Publication of CN101024465B publication Critical patent/CN101024465B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention provides an elevator device capable of operating the confirmation of action of emergency brake device and testing method thereof. In the method of the elevator according to the invention, the reduction of the cage of the elevator can be restrained even when the drive loop wheel (5) of the windlass is in state of rotating, thus action confirmation is operated to the emergency brake device (23) of said elevator cage (2), wherein, in state that recover force generating mechanism generates deformation because of the reduction of the balance weight (7), the drive loop wheel (5) of the windlass rotates in lifting direction of said balance weight (7).

Description

The test method of elevator and auxiliary device thereof and lift appliance
Technical field
The present invention relates to a kind of elevator, especially relate to a kind of suitable technology that the action of emergency braking apparatus is confirmed with lift car and counterbalanced weight.
Background technology
In numerous elevator devices, lift car and counterbalanced weight link through main hoist cable, and are provided with winch, and winch is incorporated with the driving rope sheave near the pars intermedia of lift car and counterbalanced weight.And elevator device constitutes, and main hoist cable volume hangs over and drives on the rope sheave, through making this driving rope sheave rotation, lift car and counterbalanced weight is moved up and down.Therefore, in order when the unusual state of affairs of main hoist cable fracture etc. takes place, to accomplish that precautions averts perils, in lift car, be provided with emergency braking apparatus.
In above-mentioned elevator device; When set brake shoe for elevator emergency stop is carried out confirming operation; Being to make an experiment making under the condition identical with actual conditions such as lift car whereabouts, so might cause the equipment part to sustain damage, is not a kind of appropriate test method therefore.For this reason; As a kind of simple test method that gains universal acceptance; Make the emergency braking apparatus action of lift car at first consciously, drive simultaneously so that counterbalanced weight rises, at this moment; Through confirming that even emergency braking apparatus driving the decline that also can suppress lift car under the state that rope sheave is in rotation, makes an experiment.
For example; Disclose a kind of lift appliance in the following patent documentation 1, it separates and expendable weight through making counterbalanced weight when carrying out the confirming operation of emergency braking apparatus; Make the torque that drives the required winch of rope sheave idle running with reduction, thereby prevent the maximization of winch.
Patent documentation 1 spy opens 2003-2564 communique (summary etc.)
, in above-mentioned patent documentation 1 disclosed lift appliance, because the complex structure of counterbalanced weight, so the difficulty of manufacturing if many elevators are set, then must be installed special counterbalanced weight respectively on every elevator.And, be difficult to the special counterbalanced weight of above-mentioned patent documentation 1 is applied in the existing elevator with common counterbalanced weight.
Summary of the invention
The object of the present invention is to provide lift appliance and test method of a kind of confirming operation that can easily carry out emergency braking apparatus etc.
To achieve these goals; In the test method of elevator of the present invention; Through confirming that driving rope sheave at winch is in the decline that also can suppress lift car under the state of rotation, the emergency braking apparatus to said lift car carries out confirming operation thus, wherein; Setting has the experiment auxiliary device of recovery portion; Produce distortion in the said recovery portion of said experiment auxiliary device because of the decline of counterbalanced weight, thereby give under the state of the recuperability that said counterbalanced weight applied said recovery portion, the direction rotation that the driving rope sheave of said winch is risen towards said counterbalanced weight.
(invention effect)
According to the present invention, lift appliance and test method of a kind of confirming operation that can easily carry out emergency braking apparatus etc. can be provided.
Fig. 1 is the section plan of the hoist trunk of the lift appliance in the first embodiment of the invention.
Fig. 2 is the figure of the experiment auxiliary device of the elevator in the expression first embodiment of the invention.
Fig. 3 is the figure of the experiment auxiliary device of the elevator in the expression second embodiment of the invention.
Fig. 4 is the figure of the experiment auxiliary device of the elevator in the expression third embodiment of the invention.
Fig. 5 is the figure of the experiment auxiliary device of the elevator in the expression fourth embodiment of the invention.
Nomenclature
1 hoist trunk
2 lift cars
3,8 main hoist cable connecting elements
4 main hoist cables
5 drive rope sheave
6 leading sheaves
7 counterbalanceds weight
9 counterbalanceds weight are used buffer stand
The 9a counterbalanced weight is used the energy disperser guiding piece
10 counterbalanceds weight are used energy disperser
11 adjusting portions
11a, 11b, 18,18a pedestal
11c recovery portion uses guiding piece
The 11d auxiliary device is provided with uses guiding piece
12 recovery portions
13 lift cars are used buffer stand
14 lift cars are used energy disperser
The floor of 15 undermost elevator lobbies
The floor of the elevator lobby of 16 the superiors
17 the superiors gangways
19 auxiliary devices are used guiding piece
20 counterbalanceds weight are used the oil immersed type energy disperser
21 counterbalanceds weight are used the oil immersed type buffer stand
22 counterbalanceds weight bear seat with the oil immersed type energy disperser
23 emergency braking apparatus
24 pits
25 counterbalanced weight frameworks
26 energy disperser bearing pieces
27a, 27b pedestal hold-down bolt
The specific embodiment
Followingly embodiments of the invention are described with reference to accompanying drawing.
Fig. 1 is the section plan of the hoist trunk 1 of the lift appliance in the first embodiment of the invention.The lift appliance of present embodiment constitutes, and in hoist trunk 1, has lift car 2, counterbalanced weight 7 and winch (not shown), and lift car 2 is suspended in midair by main hoist cable 4 with counterbalanced weight 7, relies on the propulsive effort of the driving rope sheave 5 of winch to move up and down.
At this, main hoist cable 4 constitutes, and extends towards the top from the main hoist cable connecting element 3 that is arranged on the lift car 2, and volume hangs on the leading sheave 6 and towards the below and extends behind the rope sheave 5 of overdriving, and arrives and is arranged on the main hoist cable connecting element 8 on the counterbalanced weight 7.And, perhaps drive rope sheave 5 as the main hoist cable in the present embodiment 4, except the material of steel, for example also can adopt the material of resin-coated.In addition, lift car 2 constitutes, and goes up and down along not shown car guide rail, and counterbalanced weight 7 constitutes, along not shown counterbalanced weight lifting rail.
And, be provided with emergency braking apparatus 23 in the lift car 2, near the top of hoist trunk 1, be provided with not shown governor.And; Along with moving of lift car 2; Governor rotation and when reaching abnormal speed, the rope holding mechanism action of governor and control speed controller rope is through the binding parts of lift car 2; Can mechanically make emergency braking apparatus 23 actions, thereby lift car 2 stopped with powerful friction force.And in order to accomplish that precautions averts perils at lift car 2 under with the situation that can not reach the speed that makes emergency braking apparatus 23 action and descend, pit 24 places in hoist trunk 1 bottom are provided with lift car with energy disperser 14 through lift car with buffer stand 13.
Equally, on counterbalanced weight 7, be provided with reply overrunning of counterbalanced weight 7 and moving, the emergency braking apparatus (not shown) to prevent that counterbalanced weight 7 from falling below this counterbalanced weight 7, is provided with counterbalanced weight with energy disperser 10 through counterbalanced weight with buffer stand 9.
In addition; In the present embodiment; Except counterbalanced weight with the energy disperser 10; Below counterbalanced weight 7, also be provided with experiment auxiliary device, this experiment auxiliary device has the recovery portion of extending the guiding piece of setting in vertical direction and inserting this guiding piece with the pedestal on the energy disperser 10, with respect to this pedestal at counterbalanced weight of putting of carrying.Below, with reference to Fig. 2 the details of this experiment auxiliary device is described.
As shown in Figure 2, utilize be arranged at counterbalanced weight with the tubulose counterbalanced weight of energy disperser 10 with energy disperser guiding piece 9a, the experiment auxiliary device of present embodiment has been installed.And this experiment auxiliary device possesses specifically: be inserted into counterbalanced weight with the auxiliary device among the energy disperser guiding piece 9a be provided with guiding piece 11d, fixed that this auxiliary device is provided with pedestal 11b with guiding piece 11d, is used to regulate the adjusting portion 11 of the height of experiment auxiliary device, the recovery portion 12 that forms by coil spring etc., insert this recovery portion 12 recovery portion with guiding piece 11c and fixed should recovery portion with the pedestal 11a of guiding piece 11c.At this, auxiliary device is provided with guiding piece 11d, pedestal 11a, 11b, adjusting portion 11 and recovery portion integrally formed with guiding piece 11c.
Usually the time; This experiment auxiliary device is positioned at the place that can not form obstacle of pit 24; But at the trial; At first auxiliary device is provided with guiding piece 11d and inserts counterbalanced weight, then recovery portion 12 is inserted into recovery portion and uses guiding piece 11c, to be arranged on counterbalanced weight with on the energy disperser 10 with among the energy disperser guiding piece 9a.
Below, the method that the confirming operation that is arranged on the emergency braking apparatus 23 on the lift car 2 of present embodiment is tested describes.The first step as stated, is arranged on experiment auxiliary device the below of counterbalanced weight 7.In second step, counterbalanced weight 7 is descended, near the position the upper end of the lower end of counterbalanced weight 7 arrival experiment auxiliary device.The 3rd step threaded off (trip) governor with modes such as remote servicings, made the rope holding mechanism action.In the 4th step, counterbalanced weight 7 is further descended, with the recovery portion 12 of compression test auxiliary device.In the 5th step, the driving rope sheave 5 of winch is rotated towards the direction that counterbalanced weight 7 rises.The 6th step, to confirm to be under the state of rotation driving rope sheave 5 even wait through range estimation by testing crew etc., the decline of lift car 2 has also obtained inhibition.For example, loose at the main hoist cable 4 of lift car 2 sides, when perhaps driving rope sheave 5 idle running having taken place, can think that the emergency braking apparatus 23 of lift car 2 moves.
According to above-mentioned present embodiment; Through utilizing the recuperability that is compressed in advance to produce the recuperability of mechanism; Even do not improve the torque of winch and the ability of control setup, under the state that also can move, counterbalanced weight 7 self is easily sling at the emergency braking apparatus 23 of lift car 2.Its result need not use large-scale winch etc., just can implement the action test of emergency braking apparatus 23 easily.In addition,, when causing main hoist cable 4 and driving friction coefficient between the rope sheave 5 and increase, also can easily counterbalanced weight 7 self be sling even because of using resin-coated rope etc. as main hoist cable 4, so, can be easy to generate the phenomenon of the idle running etc. of driving rope sheave 5.
And,,, and can implement to confirm to the action of emergency braking apparatus 23 even existing elevator also there is no need counterbalanced weight 7 grades are carried out special improvement according to present embodiment.And, regulate through height dimension BH adjusting portion 11, can the stop position of lift car 2 be adjusted to the superiors elevator lobby floor 16 nearby.Therefore; Can between the upper frame of the top of lift car 2 and the superiors gangway 17, at random guarantee gap A; In confirming operation when test of carrying out emergency braking apparatus 23, can also expect easily to confirm to drive the effect of loose situation of rotation situation and the main hoist cable 4 of rope sheave 5.
Fig. 3 is the figure of the experiment auxiliary device of the elevator in the expression second embodiment of the invention.As shown in Figure 3, counterbalanced weight 7 is accommodated in the counterbalanced weight framework 25, and energy disperser bearing piece 26 has been installed near the bottom central of counterbalanced weight framework 25, is provided with counterbalanced weight with energy disperser 10 in the pit 24 thereunder.In addition, at the sidepiece of this counterbalanced weight, in pit 24, be provided with experiment auxiliary device with adjusting portion 11 and recovery portion 12 with energy disperser 10.And, identical with common elevator, when the load of lift car 2 reach rated load 1/2 the time, the quality of the quality of counterbalanced weight 7 and lift car 2 sides reaches balance.
At this, recovery portion 12 sets for, and when the about 1/2 cooresponding quality of bearing with the rated load of lift car 2, its deflection reaches δ.On the other hand, the height adjustment of adjusting portion 11 is that when the deflection of recovery portion 12 reached δ, energy disperser bearing piece 26 arrived the upper surface of counterbalanced weight with energy disperser 10.Therefore, for the action of emergency braking apparatus 23 is confirmed, and when making the lower end of counterbalanced weight 7 be reduced to counterbalanced weight with the upper end of energy disperser 10, through the recuperability of experiment auxiliary device, the quality of the quality of lift car 2 sides and counterbalanced weight 7 sides reaches balance.
And; In the present embodiment, also be that the decline through counterbalanced weight 7 makes 12 distortion of recovery portion, to reduce the friction force that drives between rope sheave 5 and the main hoist cable 4; Under this state; Make to drive the direction rotation that rope sheave 5 rises towards counterbalanced weight 7, so, the phenomenon that drives rope sheave 5 idle running etc. can easily be produced.Its result need not use large-scale winch etc., need not carry out big change to lift facility and its structure yet, just can carry out the confirming operation test of emergency braking apparatus 23 with small number of components easily.
Fig. 4 is the figure of the experiment auxiliary device of the elevator in the expression third embodiment of the invention.Experiment auxiliary device in the present embodiment also situation with first embodiment is identical; Be installed in counterbalanced weight with on the energy disperser 10; The difference of itself and first embodiment is; Be provided with porosely at the central part of pedestal 18, be inserted into auxiliary devices in the recovery portion 12 with guiding piece 19 these holes of perforation, and be inserted into counterbalanced weight with among the energy disperser guiding piece 9a.And; As the method to set up of the experiment auxiliary device of present embodiment, at first auxiliary device is inserted counterbalanceds weight with among the energy disperser guiding piece 9a with guiding piece 19, and with pedestal put in 18 years counterbalanced weight with energy disperser 10 above; Then, utilize this pedestal 18 to insert recovery portion 12.Therefore, according to present embodiment, also identical with first embodiment; Can shorten the time that is provided with of experiment auxiliary device, and, because counterbalanced weight also can be expected certain deflection δ 1 with energy disperser 10; So can dwindle the deflection δ of recovery portion 12, that is, can realize the miniaturization of recovery portion 12.
Fig. 5 is the figure of the experiment auxiliary device of the elevator in the expression fourth embodiment of the invention.In the present embodiment, the difference with the foregoing description is that the energy disperser as counterbalanced weight is used is not to use the energy disperser of spring loaded, and has been to use the energy disperser of oil immersed type.And; When this experiment auxiliary device is set; At first will fix recovery portion carries to put at the counterbalanced weight of counterbalanced weight with oil immersed type energy disperser 20 tops with the pedestal 18a of guiding piece 11c and bears with the oil immersed type energy disperser on the seat 22; And fix through pedestal hold- down bolt 27a, 27b, afterwards, insert recovery portion 12 with guiding piece 11c with respect to this recovery portion.
And; In above-mentioned first embodiment to the, four embodiment; Method for confirming operation to the emergency braking apparatus 23 that is arranged on lift car 2 sides is described; And be arranged on counterbalanced weight 7 sides emergency braking apparatus method for confirming operation too, produce the energy that mechanism accumulates in advance through utilizing by recuperability, can expect the effect identical with the emergency braking apparatus that is arranged on lift car 2 sides 23.
In addition; In above-mentioned first embodiment to the, four embodiment, the mechanism that has utilized helical spring elastic force is described as the situation that recuperability produces mechanism, yet; So long as the mechanism after the distortion has the power that will restore, just can produce mechanism and use as recuperability.

Claims (4)

1. lift appliance possesses: winch, and it drives lift car and the counterbalanced weight by main hoist cable suspention; Energy disperser, it is separately positioned on the below of said lift car and counterbalanced weight; And emergency braking apparatus, it is tackled overrunning of said lift car and moves, and prevents the whereabouts of said lift car, and this lift appliance is characterised in that,
Except having said energy disperser; Also has experiment auxiliary device; This experiment auxiliary device is used for when carrying out the confirming operation of said emergency braking apparatus; Because of the decline of said counterbalanced weight produces distortion in advance, said experiment auxiliary device possesses: be inserted into counterbalanced weight with the auxiliary device in the energy disperser guiding piece be provided with guiding piece, fixed that this auxiliary device is provided with first pedestal with guiding piece, is used to regulate the adjusting portion of the height of experiment auxiliary device, the recovery portion that forms by coil spring, insert this recovery portion recovery portion with guiding piece and fixed should recovery portion with second pedestal of guiding piece.
2. the test method of an elevator, it is in the decline that also can suppress lift car under the state of rotation through confirming driving rope sheave at winch, and the emergency braking apparatus to said lift car carries out confirming operation thus, it is characterized in that,
The described experiment auxiliary device of claim 1 is arranged on the below of counterbalanced weight; Said counterbalanced weight is descended; Arrive near the position the upper end of said experiment auxiliary device until the lower end of said counterbalanced weight; After governor is threaded off; Said counterbalanced weight further descended and compress the said recovery portion of said experiment auxiliary device, form the recuperability of giving the said recovery portion that said counterbalanced weight applied said experiment auxiliary device, or the recuperability of the said recovery portion of said experiment auxiliary device and counterbalanced weight with the state of the recuperability of energy disperser, then; The direction rotation that the driving rope sheave that makes said winch rises towards said counterbalanced weight is carried out confirming operation to the emergency braking apparatus of said lift car.
3. lift appliance possesses: winch, and it drives lift car and the counterbalanced weight by main hoist cable suspention; Energy disperser, it is separately positioned on the below of said lift car and counterbalanced weight; And emergency braking apparatus, it is tackled overrunning of said counterbalanced weight and moves, and prevents the whereabouts of said counterbalanced weight, and this lift appliance is characterised in that,
Except having said energy disperser; Also has experiment auxiliary device; This experiment auxiliary device is used for when carrying out the confirming operation of said emergency braking apparatus; Because of the decline of said lift car produces distortion in advance, said experiment auxiliary device possesses: be inserted into lift car with the auxiliary device in the energy disperser guiding piece be provided with guiding piece, fixed that this auxiliary device is provided with first pedestal with guiding piece, is used to regulate the adjusting portion of the height of experiment auxiliary device, the recovery portion that forms by coil spring, insert this recovery portion recovery portion with guiding piece and fixed should recovery portion with second pedestal of guiding piece.
4. the test method of an elevator, it is in the decline that also can suppress counterbalanced weight under the state of rotation through confirming driving rope sheave at winch, and the emergency braking apparatus to said counterbalanced weight carries out confirming operation thus, it is characterized in that,
The described experiment auxiliary device of claim 3 is arranged on the below of lift car; Said lift car is descended; Arrive near the position the upper end of said experiment auxiliary device until the lower end of said lift car; After governor is threaded off; Said lift car further descended and compress the said recovery portion of said experiment auxiliary device, form the recuperability of giving the said recovery portion that said lift car applied said experiment auxiliary device, or the recuperability of the said recovery portion of said experiment auxiliary device and lift car with the state of the recuperability of energy disperser, then; The direction rotation that the driving rope sheave that makes said winch rises towards said lift car is carried out confirming operation to the emergency braking apparatus of said counterbalanced weight.
CN 200710004712 2006-02-20 2007-01-26 Elevator testing method and its assistant device and elevator device Expired - Fee Related CN101024465B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006-041798 2006-02-20
JP2006041798 2006-02-20
JP2006041798A JP4706498B2 (en) 2006-02-20 2006-02-20 Elevator test method, auxiliary device and elevator device

Publications (2)

Publication Number Publication Date
CN101024465A CN101024465A (en) 2007-08-29
CN101024465B true CN101024465B (en) 2012-12-19

Family

ID=38494853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200710004712 Expired - Fee Related CN101024465B (en) 2006-02-20 2007-01-26 Elevator testing method and its assistant device and elevator device

Country Status (2)

Country Link
JP (1) JP4706498B2 (en)
CN (1) CN101024465B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5076525B2 (en) * 2007-02-05 2012-11-21 株式会社日立製作所 Test method for emergency stop device of elevator equipment
JP5074917B2 (en) * 2007-12-27 2012-11-14 株式会社日立製作所 Elevator emergency stop inspection device and emergency stop inspection method
CN101932520B (en) * 2008-04-08 2012-10-03 三菱电机株式会社 Elevator device and method of testing the same
CN105110130A (en) * 2015-09-15 2015-12-02 广东新力欧菲尔电梯有限公司 AC (Alternating Current) variable frequency speed regulating loading lift assembly
JP6610914B2 (en) * 2016-11-21 2019-11-27 三菱電機株式会社 Inspection method for elevator safety device
WO2019198153A1 (en) * 2018-04-10 2019-10-17 三菱電機ビルテクノサービス株式会社 Elevator control device enabling car to function as scaffold
CN109655224A (en) * 2019-02-26 2019-04-19 广东清实检验技术有限公司 A kind of building hoist drop shutter test control device of wireless and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1578751A (en) * 2002-03-06 2005-02-09 三菱电机株式会社 Emergency stop testing device for elevator
CN1663902A (en) * 2004-03-01 2005-09-07 株式会社日立制作所 Elevator and testing method for braking peremptorily

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09255257A (en) * 1996-03-25 1997-09-30 Hitachi Building Syst Co Ltd Test device for hydraulic elevator emergency stop device
JP2001151435A (en) * 1999-11-25 2001-06-05 Hitachi Ltd Elevator shock absorber and elevator
JP2003002564A (en) * 2001-06-22 2003-01-08 Mitsubishi Electric Corp Elevator device
JP4024524B2 (en) * 2001-11-21 2007-12-19 三菱電機株式会社 Elevator equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1578751A (en) * 2002-03-06 2005-02-09 三菱电机株式会社 Emergency stop testing device for elevator
CN1663902A (en) * 2004-03-01 2005-09-07 株式会社日立制作所 Elevator and testing method for braking peremptorily

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP特开2001-151435A 2001.06.05
JP特开2003-155176A 2003.05.27
JP特开平9-255257A 1997.09.30

Also Published As

Publication number Publication date
JP4706498B2 (en) 2011-06-22
JP2007217154A (en) 2007-08-30
CN101024465A (en) 2007-08-29

Similar Documents

Publication Publication Date Title
CN101024465B (en) Elevator testing method and its assistant device and elevator device
EP2435350B1 (en) Method for installing the hoisting roping of an elevator
US9415974B2 (en) Method and arrangement for moving a heavy load
CN101549818B (en) Elevator brake
JP2009215049A (en) Variable speed elevator
CN104220355A (en) Elevator device
JP2006256760A (en) Elevator device
JP2012246116A (en) Elevator device, and emergency stop test method thereof
JP6813123B2 (en) How to apply elevator lift extension technology
CN104583111B (en) The emergency braking apparatus of elevator and elevator
KR101862970B1 (en) Elevator apparatus
EP1454867B1 (en) Elevator speed governor
JP4862296B2 (en) Elevator inspection method
CN111278758A (en) Safety device and elevator with same
CN101239684B (en) Elevator device and method for testing emergent brake device
WO2015125294A1 (en) Elevator tie-down device and elevator device
CN204310635U (en) A kind of emergency staircase
CN206580412U (en) Lift appliance
JP6678814B2 (en) Elevator equipment
JP5468029B2 (en) Elevator equipment
JPH058964A (en) Elevator device
CN1032052C (en) Elevator floor-aligning locator
JPH082850A (en) Work method in elevator shaft
JP2024041297A (en) Elevator device
JP2006168846A (en) Elevator device and emergency stop testing method

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20220126

CF01 Termination of patent right due to non-payment of annual fee