CN101152943A - Elevator - Google Patents
Elevator Download PDFInfo
- Publication number
- CN101152943A CN101152943A CNA2007101416368A CN200710141636A CN101152943A CN 101152943 A CN101152943 A CN 101152943A CN A2007101416368 A CNA2007101416368 A CN A2007101416368A CN 200710141636 A CN200710141636 A CN 200710141636A CN 101152943 A CN101152943 A CN 101152943A
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- CN
- China
- Prior art keywords
- hoist cable
- elevator
- rope sheave
- winch
- lining body
- 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.)
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Provided is an elevator which can conveniently master the tractive performance variation between a suspension cable and a rope sheave. In the elevator, the elevator cage (1) and a counterbalance weight (4) suspended by the main suspension cable (2) are driven by a winding machine (3), the outer circumference of the rope sheave (5) arranged on the winding machine (3) is coated with a coating body (14) of resin and rubber. The electric conduction status such as the electrostatic capacity between the main suspension cable (2) and the rope sheave (5) is measured in order to detect the abrasion status of the main suspension cable.
Description
Technical field
The present invention relates to a kind of lift facility that makes lift car and counterbalanced weight lifting by the rope sheave and the friction-driven between the hoist cable of winch.
Background technology
As technology formerly, disclosed a kind of to coated with resins on the electric conductivity strand etc. and the life-span of the suspension cable of elevator of making carry out diagnotic method.For example the patent of invention spy of Japan of patent documentation 1 opens the determination methods that discloses a kind of body damage that is covered in the 2002-348068 communique, it makes main hoist cable strand and rope sheave be connected with supply unit, and the electric current that flows through this circuit by detection is judged the damage of lining body.
Patent documentation 1: the patent of invention spy of Japan opens 2002-348068 communique (summary etc.)
, in above-mentioned patent documentation 1 disclosed determination methods, must make lift car, perhaps drive to toply, otherwise can't judge the degree of impairment of the lining body of main hoist cable from the bottom from the top bottom that drives to.Therefore, be difficult to hold the variation of the tractive property between main hoist cable and the rope sheave.
Summary of the invention
The object of the present invention is to provide a kind of lift facility that can grasp the tractive performance variation between main hoist cable and the rope sheave easily.
To achieve these goals, in elevator of the present invention, lift car and counterbalanced weight by the hoist cable suspention are driven by winch, wherein, the periphery that is arranged on the rope sheave on the described winch is equipped with the lining body, and elevator of the present invention has the detecting device that detects electric conducting state between described hoist cable and the rope sheave.
The invention effect
According to the present invention, can provide a kind of lift facility that can grasp the tractive performance variation between main hoist cable and the rope sheave easily.
Description of drawings
Fig. 1 is the structural representation of the hoist cable formula elevator of expression first embodiment of the invention.
Fig. 2 is the side cutaway view of the winch of expression first embodiment of the invention.
Fig. 3 is the enlarged drawing of the lining body between main hoist cable and rope sheave of first embodiment of the invention.
Fig. 4 is the rope sheave and the enlarged drawing that turns to rope sheave of first embodiment of the invention.
Fig. 5 is the structural representation of the hoist cable formula elevator of second embodiment of the invention.
Nomenclature
1 lift car
2 main hoist cables
3 winchs
4 counterbalanceds weight
5 rope sheaves
6 counterbalanced weight frameworks
7 deflection sheavies
8 stands
9 lift car pulleys
10 elevator car frame
11 insulators
12 springs
13A, 13B, 13C, 13D hoist cable connecting element
14 lining bodies
15 grounding jumpers
16 detectors
17 detection pieces
18 control panels
19 winder motors
20 assisted suspension cable
21 auxiliary pulleys
22 counterweight blocks
The specific embodiment
Following with reference to the description of drawings embodiments of the invention.
Fig. 1 is the structural representation of the hoist cable formula elevator of first embodiment of the invention.As shown in Figure 1, the elevator of present embodiment is constituted as, and rope sheave 5 is arranged on the winch 3, and the lift car 1 and the counterbalanced weight 4 that are suspended in midair by main hoist cable 2 utilize the friction force between this rope sheave 5 and the main hoist cable 2 to carry out lifting.And, on the top of hoist trunk,, being provided with deflection sheave 7 in order to regulate interval between lift car 1 and the counterbalanced weight 4 etc., this deflection sheave 7 and described winch 3 are installed in the hoist trunk by stand 8 or in the Machine Room.
Fig. 2 is the side cutaway view of the winch 3 in the present embodiment.As shown in Figure 2, because the periphery of the rope sheave 5 of present embodiment is coated with lining body 14, so can improve the friction force between rope sheave 5 and the main hoist cable 2.As this lining body 14, for example,, can further improve friction force and abrasion performance by using resin such as urethane resin and elastomeric material etc.Therefore, even dwindling in order to save the space or cancelling the Machine Room, adopted small-sized winch 3 is under the situation of rope sheave 5 for this reason, also can fully guarantee friction force and abrasion performance between main hoist cable 2 and the rope sheave 5.
Fig. 3 is arranged on the enlarged drawing of the lining body 14 between rope sheave 5 and the main hoist cable 2.As shown in Figure 3, metal main hoist cable 2 is wound in the groove of metal rope sheave 5 across lining body 14, so both are in the state of not conducting of electricity.That is to say, when electrical point is observed concerning between main hoist cable 2 and lining body 14 and the rope sheave 5, main hoist cable 2 and rope sheave 5 are equivalent to conductor (electrode) contiguous mutually and that subtend is provided with, and lining body 14 is equivalent to dielectric, so, equal between main hoist cable 2 and rope sheave 5, to be provided with cond.The electrostatic capacity C of this cond is by the DIELECTRIC CONSTANTS decision of the thickness δ and the lining body 14 of lining body 14, and specifically, electrostatic capacity C can be calculated by following relational expression.
C＝α·ε/δ……(1)
In the formula, α represents hoist cable diameter phi d shown in Figure 3, and it is the constant by decisions such as coiling length L shown in Figure 4.
According to above-mentioned relation formula (1), after lining body 14 was worn away, δ diminished, and C increases.That is to say, change, can detect the abrasion state of lining body 14 by obtaining it.
Following according to this imagination of above-mentioned cond, with reference to Fig. 1 the device in order to detection lining body 14 abrasion states is described.An end of detection piece 17 that constitutes the detector 16 of this device main portion is connected with rope sheave 5, the other end of detection piece 17 is connected with main hoist cable 2, by between rope sheave 5 and main hoist cable 2, applying alternating-current voltage/AC voltage, and measure the electric current that between flows through, can obtain the electrostatic capacity of above-mentioned cond.And the other end of described detection piece 17 also can constitute by realizing conducting between metal hoist cable connecting element 13A and the main hoist cable 2.
And, in the present embodiment, having adopted 1: 1 method for winding, an end of promptly main hoist cable 2 is fixed on the lift car 1, and the other end of main hoist cable 2 is fixed on the counterbalanced weight 4.And, one end of main hoist cable 2 is fixed on the elevator car frame 10 by metal hoist cable connecting element 13A and metal spring 12, in the present embodiment, be provided with insulator 11 between spring 12 and the elevator car frame 10 or between hoist cable connecting element 13A and the elevator car frame 10.Therefore, electrical isolation between main hoist cable 2 and the elevator car frame 10.
In the ordinary course of things, elevator car frame 10 is connected on the same grounding jumper 15 with winch 3, so may be in electric conducting state between elevator car frame 10 and the rope sheave 5.But, in the present embodiment,, form electric conducting state in addition in the place that is provided with of lining body 14 so can prevent rope sheave 5 and main hoist cable 2 owing to realized electrical isolation by above-mentioned insulator 11 between elevator car frame 10 and the main hoist cable 2.Its result, can detect accurately the lining body 14 the abrasion state.
And the elevator of present embodiment has deflection sheave 7, and this deflection sheave 7 and winch 3 are supported by common stand 8, so also be provided with insulator 11 between this deflection sheave 7 and stand 8.In addition, because the elevator of present embodiment has assisted suspension cable 20, be in electric conducting state between elevator car frame 10 and the counterbalanced weight framework 6, so between counterbalanced weight framework 6 and hoist cable connecting element 13B, also be provided with insulator 11.
As mentioned above, the position that lining body 14 is not set in the position that main hoist cable 2 is contacted is provided with insulator 11, and this insulator 11 is set to till the grounding jumper 15, thus always, by between main hoist cable 2 and rope sheave 5, realizing electrical isolation, can detect the abrasion state of lining body 14 accurately.And, in order to improve accuracy of detection, preferably use the high lining body 14 of DIELECTRIC CONSTANTS, to improve the electrostatic capacity between rope sheave 5 and the main hoist cable 2.
In addition, according to the elevator of present embodiment, even do not make lift car 1 from the top bottom that drives to, and also lift car 1 is driven to from the bottom top, still can judge the degree of impairment of lining body 14.That is to say, can judge the variation of the tractive property between main hoist cable 2 and the rope sheave 5 easily, therefore, not only can improve the maintainability of elevator, but also help to improve reliability.
Again, if make detector 16 be in coupled condition always, then at the elevator abrasion state that also can detect lining body 14 constantly normal in service.For example, also can be arranged to when having surpassed predefined value,, make elevator out of service automatically to control panel 18 output signals.
Fig. 5 represents the general configuration of the hoist cable formula elevator of second embodiment of the invention.The elevator of present embodiment also drives lift car 1 and counterbalanced weight 4 by winch 3, is that with the first embodiment difference second embodiment has adopted 2: 1 hoist cable winding method.
That is, in the present embodiment, an end of main hoist cable 2 is fixed on the stand 8 by hoist cable connecting element 13C and spring 12, and the other end of main hoist cable 2 is fixed on the stand 8 by hoist cable connecting element 13D and spring 12.At this, owing to be provided with insulator 11 between spring 12 and the stand 8, so the two ends of main hoist cable 2 and rope 5 electrical isolations.
And, in the present embodiment, because the top of lift car 1 is provided with lift car pulley 9, so this lift car pulley 9 is in electric conducting state with main hoist cable 2.Owing to have insulator 11 between lift car pulley 9 and the elevator car frame 10, so between elevator car frame 10 and the main hoist cable 2 by electrical isolation.Equally, though be provided with counterweight block 22 on the top of counterbalanced weight 4 owing to have insulator 11 between this counterweight block 22 and the counterbalanced weight framework 6, thus between counterbalanced weight framework 6 and the main hoist cable 2 by electrical isolation.
Therefore, identical with first embodiment, being provided with beyond the position of lining body 14 since between main hoist cable 2 and the rope sheave 5 by electrical isolation, so can detect the abrasion of lining body 14 accurately.And the position that is provided with of insulator 11 is not subjected to above-mentioned restriction, as long as just can guarantee to be in electric insulating state between main hoist cable 2 and the rope sheave 5 can.
Moreover, in the present embodiment, also can adopt the wiring method identical to detect electric conducting state between main hoist cable 2 and the rope sheave 5 with first embodiment.Both are difference, in first embodiment, are to use electrostatic capacity to detect the method for the abrasion state of lining body 14, and in the present embodiment, then adopt more simple method to detect the abrasion of lining body 14.Specifically, in the present embodiment, detection be the electric current that lining body 14 produces when being short-circuited between main hoist cable 2 and rope sheave 5 when being worn away fully.
Claims (7)
1. elevator wherein, is driven by winch by the lift car and the counterbalanced weight of hoist cable suspention, it is characterized in that,
The periphery that is arranged on the rope sheave on the described winch is coated with the lining body, and described elevator has the detecting device that detects electric conducting state between described hoist cable and the rope sheave.
2. elevator wherein, is driven by winch by the lift car and the counterbalanced weight of hoist cable suspention, it is characterized in that,
The periphery that is arranged on the rope sheave on the described winch is provided with resin or rubber, and described elevator has the measurement mechanism of measuring the electrostatic capacity between described hoist cable and the rope sheave.
3. as claim 1 or 2 described elevators, it is characterized in that, between elevator car frame and the hoist cable connecting element and/or be provided with insulator between counterbalanced weight framework and the hoist cable connecting element.
4. as claim 1 or 2 described elevators, it is characterized in that, between elevator car frame and the lift car pulley and/or be provided with insulator between counterbalanced weight framework and the counterweight block.
5. as claim 1 or 2 described elevators, it is characterized in that described winch and deflection sheave are supported by common stand, are provided with insulator between described deflection sheave and the stand.
6. elevator as claimed in claim 5 is characterized in that, is provided with insulator between described stand and the hoist cable connecting element.
7. the confirmation method of the tractive property of an elevator is characterized in that,
Measure the hoist cable of suspention lift car and counterbalanced weight and be arranged on electrostatic capacity between the rope sheave on the winch, be arranged on the abrasion state of the lining body of described rope sheave periphery with detection.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006266251 | 2006-09-29 | ||
| JP2006-266251 | 2006-09-29 | ||
| JP2006266251A JP4317863B2 (en) | 2006-09-29 | 2006-09-29 | Elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101152943A true CN101152943A (en) | 2008-04-02 |
| CN101152943B CN101152943B (en) | 2011-03-30 |
Family
ID=39254862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101416368A Expired - Fee Related CN101152943B (en) | 2006-09-29 | 2007-08-17 | Elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4317863B2 (en) |
| CN (1) | CN101152943B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303757A (en) * | 2012-03-07 | 2013-09-18 | 上海三菱电梯有限公司 | Elevator driving rope sheave wear detection device and method |
| EP2969875A4 (en) * | 2013-03-15 | 2016-11-23 | Otis Elevator Co | System and method for monitoring wire ropes |
| CN109665411A (en) * | 2017-10-11 | 2019-04-23 | 上海峰景移动科技有限公司 | A kind of elevator detection system of steel rope fault broken skin |
| CN114542917A (en) * | 2022-02-17 | 2022-05-27 | 甘肃省有色金属地质勘查局兰州矿产勘查院 | Ore composition detection device |
| CN114572794A (en) * | 2022-03-01 | 2022-06-03 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt fracture detection device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401752A (en) * | 2020-03-16 | 2021-09-17 | 奥的斯电梯公司 | Method and device for detecting the condition of a surface insulation layer of an elevator traction belt |
| WO2022003233A1 (en) * | 2020-07-03 | 2022-01-06 | Kone Corporation | A tension member tension monitoring arrangement, a tension member tension monitoring method and an elevator |
| CN116675087B (en) * | 2023-06-07 | 2023-10-24 | 苏州宇昊电梯配件有限公司 | Automatic suspension type treatment device for counterweight blocks of elevator |
-
2006
- 2006-09-29 JP JP2006266251A patent/JP4317863B2/en not_active Expired - Fee Related
-
2007
- 2007-08-17 CN CN2007101416368A patent/CN101152943B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303757A (en) * | 2012-03-07 | 2013-09-18 | 上海三菱电梯有限公司 | Elevator driving rope sheave wear detection device and method |
| CN103303757B (en) * | 2012-03-07 | 2015-10-28 | 上海三菱电梯有限公司 | Elevator drive rope sheave wear detector and method |
| EP2969875A4 (en) * | 2013-03-15 | 2016-11-23 | Otis Elevator Co | System and method for monitoring wire ropes |
| US9862572B2 (en) | 2013-03-15 | 2018-01-09 | Otis Elevator Company | System and method for monitoring wire ropes |
| EP3470357A1 (en) * | 2013-03-15 | 2019-04-17 | Otis Elevator Company | System and method for monitoring wire ropes |
| CN109665411A (en) * | 2017-10-11 | 2019-04-23 | 上海峰景移动科技有限公司 | A kind of elevator detection system of steel rope fault broken skin |
| CN114542917A (en) * | 2022-02-17 | 2022-05-27 | 甘肃省有色金属地质勘查局兰州矿产勘查院 | Ore composition detection device |
| CN114542917B (en) * | 2022-02-17 | 2023-07-25 | 甘肃省有色金属地质勘查局兰州矿产勘查院 | Ore composition detection device |
| CN114572794A (en) * | 2022-03-01 | 2022-06-03 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt fracture detection device |
| CN114572794B (en) * | 2022-03-01 | 2023-08-22 | 宁波市特种设备检验研究院 | Intelligent elevator steel belt breakage detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008081306A (en) | 2008-04-10 |
| CN101152943B (en) | 2011-03-30 |
| JP4317863B2 (en) | 2009-08-19 |
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Granted publication date: 20110330 Termination date: 20160817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |