CN101024465A - Elevator testing method and its assistant device and elevator device - Google Patents

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

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Publication number
CN101024465A
CN101024465A CN 200710004712 CN200710004712A CN101024465A CN 101024465 A CN101024465 A CN 101024465A CN 200710004712 CN200710004712 CN 200710004712 CN 200710004712 A CN200710004712 A CN 200710004712A CN 101024465 A CN101024465 A CN 101024465A
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China
Prior art keywords
counterbalanced weight
lift car
energy disperser
elevator
recuperability
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CN 200710004712
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CN101024465B (en
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萩谷知文
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Hitachi Ltd
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Hitachi Ltd
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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 by 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, by 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 test 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, even driving the decline that also can suppress lift car under the state that rope sheave is in rotation, test by confirming emergency braking apparatus.
For example, disclose a kind of lift appliance in the following patent documentation 1, it separates and expendable weight by 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 a kind of lift appliance of the confirming operation that can easily carry out emergency braking apparatus and test method etc.
To achieve these goals, in the test method of elevator of the present invention, by confirming that driving rope sheave at winch is in the decline that also can suppress lift car under the state of rotation, emergency braking apparatus to described lift car carries out confirming operation thus, wherein, because of the decline of counterbalanced weight produces under the state of distortion, the driving rope sheave of described winch is rotated in recuperability generation mechanism towards the direction that described counterbalanced weight rises.
(invention effect)
According to the present invention, can provide a kind of lift appliance of the confirming operation that can easily carry out emergency braking apparatus and test method etc.
Description of drawings
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 counterbalanced weight buffer stands
9a counterbalanced weight energy disperser guiding piece
10 counterbalanced weight energy dispersers
11 adjusting portions
11a, 11b, 18,18a pedestal
11c recovery portion guiding piece
The 11d auxiliary device is provided with uses guiding piece
12 recovery portions
13 lift car buffer stands
14 lift car energy dispersers
The floor of 15 undermost elevator lobbies
The floor of the elevator lobby of 16 the superiors
17 the superiors gangways
19 auxiliary device guiding pieces
20 counterbalanceds weight oil immersed type energy disperser
21 counterbalanceds weight 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 has lift car 2, counterbalanced weight 7 and winch (not shown) in hoist trunk 1, and lift car 2 and counterbalanced weight 7 rely on the propulsive effort of the driving rope sheave 5 of winch to move up and down by main hoist cable 4 suspentions.
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 the main hoist cable connecting element 8 that is arranged on the counterbalanced weight 7.And,, except the material of steel, for example also can adopt the material of resin-coating as main hoist cable 4 in the present embodiment or driving rope sheave 5.In addition, lift car 2 constitutes, and along not shown car guide rail lifting, 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, binding parts by lift car 2, can mechanically make emergency braking apparatus 23 actions, thereby lift car 2 be 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 usefulness energy disperser 14 by lift car with buffer stand 13.
Equally, on counterbalanced weight 7, be provided with reply overrunning of counterbalanced weight 7 and moving,, below this counterbalanced weight 7, be provided with counterbalanced weight usefulness energy disperser 10 with buffer stand 9 by counterbalanced weight with the emergency braking apparatus (not shown) that prevents that counterbalanced weight 7 from falling.
In addition, in the present embodiment, except counterbalanced weight is used energy disperser 10, below counterbalanced weight 7, also be provided with experiment auxiliary device, this experiment auxiliary device has the recovery portion that counterbalanced weight extends the guiding piece of setting in vertical direction and inserts this guiding piece with the pedestal on the energy disperser 10, with respect to this pedestal that is positioned in.Below, with reference to Fig. 2 the details of this experiment auxiliary device is described.
As shown in Figure 2, utilize to be arranged at the counterbalanced weight tubulose counterbalanced weight of energy disperser 10 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 with among the energy disperser guiding piece 9a, then recovery portion 12 is inserted into the guiding piece 11c of recovery portion, to be arranged on counterbalanced weight with on the energy disperser 10.
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 mentioned above, 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 in 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 by 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, by 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, also under the state that can move, counterbalanced weight 7 self is easily sling at the emergency braking apparatus 23 of lift car 2.Its result does not need to 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-coating 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 improved especially according to present embodiment.And, regulate by height dimension BH adjusting portion 11, the stop position of lift car 2 can 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 the loose situation of the rotation situation of rope sheave 5 and main hoist cable 4.
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 center of counterbalanced weight framework 25, is provided with counterbalanced weight 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, by 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 decline by 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 does not need to use large-scale winch etc., does not need lift facility and its structure are carried out big change yet, just can carry out the confirming operation test of emergency braking apparatus 23 with a spot of parts 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, central part at pedestal 18 is provided with porose, the auxiliary device that is inserted in the recovery portion 12 connects this hole with guiding piece 19, and is 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 pedestal 18 is positioned in counterbalanced weight with above the energy disperser 10, 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 is positioned in counterbalanced weight with the pedestal 18a of guiding piece 11c and bears on the seat 22 with the oil immersed type energy disperser with the counterbalanced weight on oil immersed type energy disperser 20 tops, and fix by pedestal hold- down bolt 27a, 27b, afterwards, insert recovery portion 12 with respect to this recovery portion with guiding piece 11c.
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 by utilizing, can expect the effect identical with the emergency braking apparatus 23 that is arranged on lift car 2 sides by recuperability.
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 (9)

1. the test method of an elevator, it is in the decline that also can suppress lift car under the state of rotation by confirming driving rope sheave at winch, and the emergency braking apparatus to described lift car carries out confirming operation thus, it is characterized in that,
Because of the decline of counterbalanced weight produces under the state of distortion, the driving rope sheave of described winch is rotated in recuperability generation mechanism towards the direction that described counterbalanced weight rises.
2. the test method of elevator as claimed in claim 1 is characterized in that,
Described recuperability produces the below that mechanism is arranged on described counterbalanced weight, and after governor is threaded off, described counterbalanced weight is descended and compress described recuperability and produce mechanism, then, the direction rotation that the driving rope sheave of described winch is risen towards described counterbalanced weight.
3. the test method of an elevator, it is in the decline that also can suppress counterbalanced weight under the state of rotation by confirming driving rope sheave at winch, and the emergency braking apparatus to described counterbalanced weight carries out confirming operation thus, it is characterized in that,
Because of the decline of lift car produces under the state of distortion, the driving rope sheave of described winch is rotated in recuperability generation mechanism towards the direction that described lift car rises.
4. 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 described lift car and counterbalanced weight; And emergency braking apparatus, it is tackled overrunning of described lift car and moves, and prevents the whereabouts of described lift car, and this lift appliance is characterised in that,
Except having described energy disperser, also have recuperability and produce mechanism, this recuperability produces mechanism and is used for when carrying out the confirming operation of described emergency braking apparatus, because of the decline of described counterbalanced weight produces distortion in advance.
5. 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 described lift car and counterbalanced weight; And emergency braking apparatus, it is tackled overrunning of described counterbalanced weight and moves, and prevents the whereabouts of described counterbalanced weight, and this lift appliance is characterised in that,
Except having described energy disperser, also have recuperability and produce mechanism, this recuperability produces mechanism and is used for when carrying out the confirming operation of described emergency braking apparatus, because of the decline of described lift car produces distortion in advance.
6. as claim 4 or 5 described lift appliances, it is characterized in that,
Described recuperability produces mechanism to be possessed: the top pedestal that is positioned in described energy disperser; Extend the guiding piece of setting in vertical direction with respect to this pedestal; Recovery portion with respect to this guiding piece insertion.
7. experiment auxiliary device, the energy disperser that it is installed on configuration below the counterbalanced weight of elevator or lift car uses when emergency braking apparatus is carried out confirming operation, it is characterized in that,
Possess: the top pedestal that is positioned in described energy disperser; Extend the guiding piece of setting in vertical direction with respect to this pedestal; Recovery portion with respect to this guiding piece insertion.
8. experiment auxiliary device as claimed in claim 7 is characterized in that,
Described pedestal has the hole, and described guiding piece connects described hole, but also is inserted in the described energy disperser.
9. experiment auxiliary device as claimed in claim 7 is characterized in that,
Described pedestal, described guiding piece, be used to be inserted into other guiding piece of described energy disperser and be used to regulate the adjusting portion of height of described experiment auxiliary device integrally formed.
CN 200710004712 2006-02-20 2007-01-26 Elevator testing method and its assistant device and elevator device Expired - Fee Related CN101024465B (en)

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JP2006041798 2006-02-20
JP2006-041798 2006-02-20
JP2006041798A JP4706498B2 (en) 2006-02-20 2006-02-20 Elevator test method, auxiliary device and elevator device

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CN101024465B CN101024465B (en) 2012-12-19

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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
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
CN109952262A (en) * 2016-11-21 2019-06-28 三菱电机株式会社 The inspection method of the emergency braking device of elevator
CN111479766A (en) * 2018-04-10 2020-07-31 三菱电机大楼技术服务株式会社 Elevator control device for enabling elevator car to function as scaffold

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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
EP2261161B1 (en) * 2008-04-08 2015-01-21 Mitsubishi Electric Corporation Elevator device and method of testing the same

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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
EP1481933B1 (en) * 2002-03-06 2011-08-10 Mitsubishi Denki Kabushiki Kaisha Emergency stop testing method of elevator
JP4253600B2 (en) * 2004-03-01 2009-04-15 株式会社日立製作所 Elevator and emergency stop test method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109952262A (en) * 2016-11-21 2019-06-28 三菱电机株式会社 The inspection method of the emergency braking device of elevator
CN109952262B (en) * 2016-11-21 2020-06-23 三菱电机株式会社 Method for inspecting emergency stop device of elevator
CN111479766A (en) * 2018-04-10 2020-07-31 三菱电机大楼技术服务株式会社 Elevator control device for enabling elevator 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

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JP2007217154A (en) 2007-08-30
JP4706498B2 (en) 2011-06-22

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