CN1161678A - Method and apparatus for mounting and balancing an elevator car - Google Patents
Method and apparatus for mounting and balancing an elevator car Download PDFInfo
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- CN1161678A CN1161678A CN 95195773 CN95195773A CN1161678A CN 1161678 A CN1161678 A CN 1161678A CN 95195773 CN95195773 CN 95195773 CN 95195773 A CN95195773 A CN 95195773A CN 1161678 A CN1161678 A CN 1161678A
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- lift car
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- adaptor union
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Abstract
The invention relates to a method and a device for installing and balancing an elevator car. Method for installing and balancing an elevator car in a hoistway having a cable attached thereto, characterized by the steps of: providing an adjustable coupler having an adjustable movement of 2 ° coupled to the elevator car; positioning the connector to a desired location below the elevator car; the cable is connected to the adjustable coupler and the elevator car is balanced with an adjustable weight also connected to the underside of the elevator car. An apparatus for installing and balancing an elevator car having a cable attached to its underside, the apparatus comprising: an adjustable coupler having 2 ° adjustable movement connected to the elevator car; and an adjustable weight attached to the underside of the elevator car for balancing the elevator car.
Description
Background of invention
1. technical field
The present invention relates generally to the installation of elevator, particularly a kind of apparatus and method that are used for the balance lift car.
2. background information
A representative type elevator device comprises a lift car and bob-weight that drives with driving sheave in hoist-hole.Many hoisting cables connect this lift car and bob-weight, extend up to the driving sheave at hoist-hole top simultaneously from lift car, and get back to bob-weight downwards.When lift car and bob-weight are in the relative two ends of hoist-hole, therefore almost completely when a side, this hoisting cable has comprised most weight of being held by driving sheave to hoisting cable.In order to offset the weight of hoisting cable, known one or more compensation steel rope that is to use extends downwardly into hoist-hole and upwards gets back to bob-weight from lift car.According to applicable cases, compensation " steel rope " in fact can be cable and chain.Chain often is to use in the elevator of short travel.
Also an elevator cable can be connected on the lift car.Elevator cable comprises many electric wireline and order wire, and these electric wireline and order wire are combined into a branch of and extend between fixed position of hoist-hole and lift car.After installing, compensation steel rope and elevator cable are on the framework that is connected to lift car on the fixed position.
During elevator is installed, must make lift box balance, with the normal running that guarantees elevator and elevator is travelled be in optimum regime.Concerning lift car, correctly locating with being connected compensation steel rope and elevator cable is a pith of balanced operation process.A method that is used for the balance lift car comprises that the many conventional fasteners of usefulness are fixed to the lift car insulating frame with the weight assembly.Each weight is located along the insulating frame member, and be placed in the appropriate location with a plate, many bolt and spring washer circles.The mechanical execution personnel are positioned at him or she with this weight and think necessary place, and with plate, bolt and packing ring weight are fixed on the framing member, then check balance.
It is very inconvenient that the shortcoming of this balanced system is that this weight is fixed on the framing member below the lift car.Particularly the mechanical execution personnel must fix each weight or be supported on correct position, screw on screw with the plate location and with the fastener of each weight simultaneously.Another shortcoming of this balanced system is that before can checking balance to lift car, all weights must fix in position.If balance mal for the first time, then these weights must be laid down bolt (perhaps bolt must unclamp at least) and reorientate.From in fact getting on very well, in the balancing process, these weights will be through going up several times bolt, laying down bolt, take away and go up again bolt.Those skilled in the art recognizes that this is one and usually causes inaccurate time-consuming work.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of lift box balance technology, so that at this field balance lift car and bob-weight.
Another object of the present invention provides a kind of lift car field engineering, is connected on lift car and the bob-weight so that will compensate steel rope and elevator cable in the field.
A further object of the invention is the service life that increases compensation steel rope or chain and elevator cable to greatest extent.
The present invention also has a purpose to provide compensation chain or steel rope and the adjustable downside that is positioned at lift car of elevator cable in addition.
The invention discloses the method and apparatus of installation and balance lift car.Be used to the method that is positioned at the lift car (cable is connected to lift car in hoist-hole) of hoist-hole with balance is installed, be characterized in the following step: an adjustable adaptor union that is connected to lift car with 2 ° of displacement-adjustables is provided; This adaptor union is navigated to desirable position below the lift car, cable is connected on the adjustable adaptor union, and with adjustable counterweight balance lift car, this adjustable weight also is connected to the downside of lift car.
Lift car installation and balancing device with the cable that is connected to its lift car downside comprise: (1) one is connected to the adjustable adaptor union that has 2 ° of displacement-adjustables on the lift car; (2) adjustable weights that are connected to the lift car downside and are used for the balance lift car.
According to the present invention, should be processed into this shape by adjustable weight in addition, so as its can freely be suspended on the downside of lift car and supporting member that need not be other.
Adopt the present invention that several advantages are arranged.For example, when connecting compensation steel rope and elevator cable, the present invention provides several selection schemes for installation personnel.Particularly in some cases, using many adjustable adaptor unions that are in diverse location on the desk-top bearer frame of lift car to make things convenient for balance, is favourable.It is Anywhere best that the present invention can and be connected installation personnel with compensation steel rope and elevator cable location to be fit to job in hand.For example, the position of machine room may be different because of the difference of work in hydraulic hoist.Adjustable adaptor union can make things convenient for the hydraulic hoist elevator cable connection and with the machine room location independent.
A technical personnel will appreciate that also each compensation steel rope and elevator cable all have the radius of a natural torsion.The radius of this natural torsion relates to is the radius that fixing in the above and steel rope or this physical efficiency of cable freely hang and steel rope and cable present naturally when curving 180 ° when the end of steel rope.If put together in the end of steel rope, suppose that simultaneously the length of steel rope and cable has long enough, then steel rope or cable will not have natural torsion at radius during less than its natural torsion.Having the steel rope that hangs under its natural torsion or an advantage of cable is that it makes stress and tension force in steel rope or the cable reduce to minimum, has therefore prolonged the service life of steel rope or cable.Another advantage with the steel rope that hangs under its natural torsion or cable is that it helps to prevent that steel rope or cable from tangling mutually and/or become entangled on the equipment in the hoist-hole.
The use of adjustable weight also provides a kind of method of simple and low-cost balance lift car.Because this balance weight freely is suspended on the downside of lift car, so the workman of site operation can estimate the effect of each adjustable weight to lift car before with the weight fix in position.In addition, the workpeople can slide into each weight necessary place at an easy rate, and with one firm with they fix in position.Therefore, if must change the position of compensation steel rope or elevator cable, can make the lift car rebalancing at an easy rate.In addition, when connection below lift car or when removing adjustable weight of the present invention, they do not need to take apart a plurality of parts.Really, this operation process only just can be accomplished with a hand, thereby make balance work easier and more convenient.
According to following detailed description and the accompanying drawing that is used to carry out best mode of the present invention, it is more obvious that These characteristics of the present invention and advantage will become.
The accompanying drawing summary
Fig. 1 is the transparent view of an elevator in the hoist-hole;
Fig. 2 is the transparent view of a platform-type bearer frame used in one embodiment of the present of invention;
Fig. 3 is the cross-sectional plane partial view of Fig. 2;
Fig. 4 is the cross-sectional plane partial view of Fig. 3;
Fig. 5 is the cross-sectional plane partial view of Fig. 2;
Fig. 6 is the cross-sectional plane partial view of Fig. 5.
Implement best mode of the present invention
Referring to Fig. 1, an elevator comprises a lift car 10 and a bob-weight 12, and this bob-weight is installed in and is used in the hoist-hole of building moving between predetermined scope.Lift car 10 comprises a framework 14 and an escalator 16 that is connected on this framework 14.Lift car 10 utilizes many hoisting cables 18 to be connected with bob-weight 12.Hoisting cable 18 extends to the hoist-hole top from lift car 10, walks around the driving sheave (not shown) and gets back to bob-weight 12 downwards.One or more compensation steel rope 20 extends below hoist-hole from lift car 10; Then get back to bob-weight 12 to the hoist-hole top.The weight of compensation steel rope 20 has been offset the weight of hoisting cable 18.One end of elevator cable 24 also is connected to the downside of lift car 10.The other end of elevator cable 24 is connected to a fixed position 27 in the hoist-hole.
Hoisting cable 18 shown in Fig. 1, compensation steel rope 20 and elevator cable 24 all are connected on the platform-type bearer frame 28, and platform-type bearer frame 28 is connected on the framework 14 of lift car 10.Elevator car frame 14 comprises a pair of vertical door very 32, this very 32 above connect with a crossbeam 34, and in its bottom with safe slab 36 connections.As shown in Figure 2, platform-type bearer frame 28 is by a front part 38, a pair of intermediate member 40, member 42 and a pair of side member 44 are formed after one.For better explanation the present invention, Fig. 2 illustrates this platform-type bearer frame 28 separately, the transparent view of this Fig. 2 for being got below platform-type bearer frame 28.Front part 38, back member 42 and intermediate member 40 all have " C " shape cross-sectional plane.As discussed below, little opening 46 (see figure 5)s of incision " C " shape cross-sectional plane allow to increase or remove adjustable weight 48.Front part 38, back member 42, intermediate member 40 and side member 44 interconnect routinely.Adjustable adaptor union
Platform-type bearer frame 28 also comprises and is used for compensation steel rope 20 and elevator cable 24 (see figure 1)s are connected to adjustable adaptor union 50 on this platform-type bearer frame 28.Shown in Fig. 2～4, each is adjustable, and adaptor union 50 is made up of " C " ellbeam 52 and a plate 54.This beam 52 extends between one of them at intermediate member 40 and front part 38 or back member 42.Reinforce each end that flange 56 (see figure 3)s are connected to beam 52 for one.This reinforcing flange 56 is assemblied on the opening of " C " ellbeam 52, and centers on the lower knuckle of this beam 52, so that additional supporting to be provided.Fig. 2 illustrates 3 adjustable adaptor unions 50 that are connected on this platform-type bearer frame 28.The rail that can buy on the market shown in Fig. 3 and 4 folder 58 be used for according to applicable cases each beam 52 is connected to one of them intermediate member 40 and be connected to front part 38 or back member 42 one of them.Specifically, with a General fasteners 60 with rail folder 58 be fixed to beam 52 each end below.
The plate 54 that is connected on each beam 52 is available for along the variable location of this beam.Hole 62 (see figure 3)s in each plate 54 are laid the fastener (not shown) and are used for compensation steel rope 20 (Fig. 1) or elevator cable 24 are fixed to plate 54.Plate 54 comprises a hook-type flange 64 that is placed in beam 52 tops.Clamp and plate 54 is connected on the beam 52 with assembly 66.These clamp assembly 66 (see figure 4)s are made up of " L " shape carriage 68, a bolt 70 and a self-locking hexagonal nut 72.The inside that " L " type carriage 68 is positioned in " C " shape cross-sectional plane of beam 52 also is fixed on the plate 54 with bolt 70 and nut 72.Plate 54 can slide to determine the tram along the length of beam 52.The last lower flange of beam 52 prevents " L " shape carriage 68 sliding " C " ellbeams 52 that go.Adjustable weight
Referring to Fig. 5 and 6, adjustable weight 48 is connected on the platform-type bearer frame 28 changing the center of gravity of lift car 10, and therefore and balance lift car 10 with respect to the weight of guide rail 76 (Fig. 1).The quantity of used weight 48 and big young pathbreaker are depended on each lift car 10 peculiar weight.For lift car 10 of appropriate balance, need 200～400 pounds total weight usually.
Each is adjustable, and weight 48 comprises a notch 77, this notch 77 is processed into such shape, so that it can at first pass among " C " shape that an aperture 46 slides into front part 38, back member 42 or intermediate member 40, laterally slide subsequently to hold the flange of " C " shape member 38,40,42.In other words, " C " shape member 38,40,42 is such with the geometric configuration of the weight 48 of notch is arranged, and promptly weight 48 is by member 38,40, and 42 support, and can move freely to make things convenient for balanced operation at horizontal direction.Each adjustable weight all has a bull screw to be used to lay a lock bolt 78.When tightening, lock bolt 78 is fixed on a certain location with adjustable weight.Operation
Referring to Fig. 1, during beginning installation and balance lift car 10, determine the length of compensation steel rope 20 and elevator cable 24 earlier, to guarantee to have enough length.To prevent that steel rope 20 or cable 24 arbitrary position of lift car/bob-weight in hoist-hole from being tangled or being subjected to stress.Purpose be must make that each steel rope 20 or cable 24 can move at lift car/bob-weight two extremely everywhere in natural torsion.Before connecting compensation steel rope 20 and elevator cable 24, in case determined suitable length, the position of adaptor union 50 just is positioned in approval that each is adjustable is so that steel rope 20 or cable 24 remain on its natural torsion state.
Referring to Fig. 3 and 4, by at first unclamping beam 52 is connected to intermediate member 40 and front part 38 or the back member 42 rail folder 58 on one of them, regulate the position of each adjustable adaptor union 50.In case beam 52 location are suitable,, thereby make beam 52 fix in position with regard to fastening rail folder 58.Secondly, by unclamping plate 54 is connected to clamp assembly 66 (see figure 4)s on the beam 52 and plate 54 slided into suitable position along beam 52, the position of plate 54 with respect to beam 52 of having good positioning.In case fastening clamp assembly 66, plate 54 just is secured in place.To specifying each used adaptor union 50 among the embodiment, repeat the foregoing entire job process that is used to locate an adjustable adaptor union 50 one.Behind used adjustable adaptor union 50 installation in position, compensation steel rope 20 and elevator cable 24 are connected on separately the plate 54.
When compensation steel rope 20 and elevator cable 24 were connected on the lift car 10, the center of gravity of lift car 10 may off-center.Therefore, as illustrated in Figures 5 and 6, help balance lift car 10 with adjustable weight 48.On platform-type bearer frame, increase, remove and locate adjustable weight 48 through foregoing aperture 46.Be used for a quantity of specifying the required weight 48 of embodiment will depend on must balance weighing load, and if change the location of compensation steel rope 20 or elevator cable 24, weight quantity can be easy to adjust.
Skilled person in the art will appreciate that difficulty only is to be difficult to compensation steel rope 20 and elevator cable 24 are connected to the position that is fixedly coupled on the platform-type bearer frame 28 at the most.The adjustable location of compensation steel rope 20 and elevator cable is that a favourable reason is, it can make compensation steel rope 20 and elevator cable 24 with its natural radius or as far as possible near its natural radius suspension.The adjustable location of compensation steel rope 20 and elevator cable 24 is that favourable Another reason is, it can make steel rope 20 and cable 24 be suspended on the position that the entanglement chance is minimized.
Another advantage of the present invention is because of the device that only needs with a lock bolt 78 (seeing Fig. 5 and 6) used adjustable weight 48 when being connected balance lift car 10.The supporting of supposing adjustable weight 48 freely to hang and need not be other, and only require the position that fixes it with a bolt, then a workman only uses the just position of scalable weight of a hand.This just makes the workman easier when adjustable weight 48 and balance lift car 10 are installed.
Another advantage of adjustable weight 48 is simple because its design is easy.Adjustable weight 48 is processed into this shape, i.e. the supporting that its can need not be other and being suspended on the platform-type bearer frame member 38,40,42.This has just reduced cost and has reduced the complexity that is connected adjustable weight 48, because do not need other parts.This also makes the field operation workman have an opportunity to have the balance that is bearing in the lift car of all weights on the lift car checking before with the weight fix in position with bolt.
Though the present invention is described and introduces one of them best mode embodiment, those of ordinary skills should understand, and can not break away from the spirit and scope of the present invention and to wherein form and details are done various omissions, change and increase.For example, the front says that with intermediate member 40 becoming is to have " C " shape cross-sectional plane, is used to lay the reinforcement flange of adjustable weight and adjustable adaptor union beam 52 with front part 38, the back member 42 of platform-type bearer frame 28.On the other hand, can be with the geometric configuration of other flange and spill.
Claims (21)
1. be used for the underslung cable is installed to method on the lift car, comprise the following steps:
A kind of adjustable adaptor union that is connected on this lift car is provided, and described adjustable adaptor union has 2 ° adjustable moving;
Described adjustable adaptor union is positioned at desirable position; With
This underslung cable is connected on the described adjustable adaptor union.
According to claim 1 be used for the underslung cable is installed to method on the lift car, it is characterized in that described adjustable adaptor union is connected on the platform-type bearer frame of this lift car.
According to claim 2 be used for the underslung cable is installed to method on the lift car, it is characterized in that described platform-type bearer frame comprises:
A front part, this front part have " C " shape cross-sectional plane;
Member after one, this back member have " C " shape cross-sectional plane;
A plurality of intermediate members, each intermediate member all have " C " shape cross-sectional plane;
Wherein, described adjustable adaptor union can be positioned between described front part or back member one of them and the described intermediate member, and can be between them side travel.
According to claim 3 be used for the underslung cable is installed to method on the lift car, it is characterized in that described adjustable adaptor union comprises:
A beam, wherein, when mounted, described beam extends between described front part or back member one of them and a described intermediate member, and can be between them side travel; And
A plate, this plate has the mechanism that is used to connect the underslung cable, wherein, when mounted, described plate can move along described beam, therefore can described front part or back member one of them with a described intermediate member between mobile.
5. being used for the method that balance has the lift car of underslung cable may further comprise the steps:
A kind of adjustable adaptor union that is connected on this lift car is provided, and described adjustable adaptor union has 2 ° of adjustable moving;
Described adjustable adaptor union is positioned at desirable position; With
The underslung cable is connected on the described adjustable adaptor union.
6. according to the method that is used for the balance elevator of claim 5, also comprise the following steps:
A kind of adjustable weight is provided;
Described weight is positioned on the lift car, to regulate the center of gravity of this lift car.
7. according to the method that is used for the balance lift car of claim 6, it is characterized in that described adjustable adaptor union and described adjustable weight all are connected on the platform-type bearer frame.
8. according to the method that is used for the balance lift car of claim 7, it is characterized in that described platform-type bearer frame comprises:
A front part, this front part have " C " shape cross-sectional plane;
Member after one, this back member have " C " shape cross-sectional plane;
A plurality of intermediate members, each intermediate member all have " C " shape cross-sectional plane;
Wherein, described adjustable adaptor union can be positioned between described front part or back member one of them and the described intermediate member, or is positioned between a pair of described intermediate member, and can be between them side travel.
9. according to the method that is used for the balance lift car of claim 8, it is characterized in that described adjustable adaptor union comprises:
A beam, wherein, when mounted, described beam extends between described front part or back member one of them and a described intermediate member, and can be between them side travel; With
A plate, this plate has the mechanism that is used to connect the underslung cable, wherein, when mounted, described plate can move along described beam, therefore can described front part or back member one of them with a described intermediate member between mobile.
10. according to the method that is used for the balance lift car of claim 9, it is characterized in that described adjustable weight comprises:
A notch that is used to hold " C " shape conduit flange, described notch have one makes described weight remain on geometric configuration on the described lift car.
11. the method that is used for the balance lift car according to claim 10, it is characterized in that, described adjustable weight comprises that also a tapped bore that extends in the described notch is used to lay a screw element, wherein, described screw element can be screwed in the described notch and head on the described flange of described " C " shape conduit, so that with respect to the fixing described weight of described conduit.
12. one kind is used for the underslung cable is installed to device on the lift car, comprises:
A support platform is used to support the escalator of lift car;
An adjustable adaptor union is connected on the described support platform of lift car, and described adjustable adaptor union has 2 ° adjustable moving.
13. according to claim 12 be used for the underslung cable is installed to device on the lift car, it is characterized in that described desk-top bearer frame down comprises:
A front part, this front part have " C " shape cross-sectional plane;
Member after one, this back member have " C " shape cross-sectional plane;
A plurality of intermediate members, each intermediate member all have " C " shape cross-sectional plane;
Wherein, described adjustable adaptor union can be positioned between described front part or back member one of them and the described intermediate member, and can be between them side travel.
14. according to claim 13 be used for the underslung cable is installed to device on the lift car, it is characterized in that described adjustable adaptor union comprises:
A beam, wherein, when mounted, described beam extends between described front part or back member one of them and a described intermediate member, and can be between them side travel; With
A plate, this plate has the mechanism that is used to connect the underslung cable, and therefore wherein, when mounted, described plate can move along described beam, can move between described front part or back member one of them and a described intermediate member.
15. be used for the device that balance has the lift car of underslung cable, comprise:
An adjustable adaptor union that is connected on the lift car, described adjustable adaptor union have 2 ° of adjustable moving.
16. the device that is used for the balance lift car according to claim 15 also comprises:
An adjustable weight, wherein, described weight can be positioned on the lift car, to regulate the center of gravity of this lift car.
17. the device that is used for the balance lift car according to claim 16 is characterized in that, also comprises:
A platform-type bearer frame is used to support between elevator;
Wherein, described adjustable adaptor union and described adjustable weight all are connected on the described platform-type bearer frame.
18. the device that is used for the balance lift car according to claim 17 is characterized in that, described platform-type bearer frame comprises:
A front part, this front part have " C " shape cross-sectional plane;
Member after one, this back member have " C " shape cross-sectional plane;
A plurality of intermediate members, each intermediate member all have " C " shape cross-sectional plane;
Wherein, described adjustable adaptor union can be positioned between described front part or back member one of them and the described intermediate member, and can be between them side travel.
19. the device that is used for the balance lift car according to claim 18 is characterized in that, described adjustable adaptor union comprises:
A beam, wherein, described when mounted beam extends between described front part or back member one of them and a described intermediate member, and can be between them side travel; With
A plate, this plate has the mechanism that is used to connect the underslung cable, and therefore wherein, when mounted, described plate can move along described beam, and can move between described front part or back member one of them and a described intermediate member.
20. the device that is used for the balance lift car according to claim 19 is characterized in that, described adjustable weight comprises:
A notch that is used to hold " C " shape conduit flange, described notch have one described weight are remained on geometric configuration on the described lift car.
21. the device that is used for the balance lift car according to claim 20, it is characterized in that, described adjustable weight comprises that also a tapped bore that extends in the described notch is used to lay screw element, wherein said screw element can be screwed in the described notch, and withstand the described flange of described " C " shape conduit, so that with respect to the fixing described weight of described conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95195773 CN1161678A (en) | 1994-08-29 | 1995-08-07 | Method and apparatus for mounting and balancing an elevator car |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/298,482 | 1994-08-29 | ||
| CN 95195773 CN1161678A (en) | 1994-08-29 | 1995-08-07 | Method and apparatus for mounting and balancing an elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1161678A true CN1161678A (en) | 1997-10-08 |
Family
ID=5082978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95195773 Pending CN1161678A (en) | 1994-08-29 | 1995-08-07 | Method and apparatus for mounting and balancing an elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1161678A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830388A (en) * | 2010-05-21 | 2010-09-15 | 日立电梯（中国）有限公司 | Installation method of counter-weight frame of elevator |
| CN101687613B (en) * | 2007-10-18 | 2011-09-14 | 三菱电机株式会社 | Elevator cage and its installation method |
| CN102219143A (en) * | 2011-05-31 | 2011-10-19 | 江南嘉捷电梯股份有限公司 | Weight compensation device on underframe of elevator carriage |
| CN104276479A (en) * | 2013-07-09 | 2015-01-14 | 株式会社日立建筑系统 | Lifting method of lift weight and lifting method of lift winch |
| CN104944256A (en) * | 2015-05-26 | 2015-09-30 | 上海浦东开灵电梯厂有限公司 | Accurate static balance adjustment device of elevator suspension device |
-
1995
- 1995-08-07 CN CN 95195773 patent/CN1161678A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101687613B (en) * | 2007-10-18 | 2011-09-14 | 三菱电机株式会社 | Elevator cage and its installation method |
| CN101830388A (en) * | 2010-05-21 | 2010-09-15 | 日立电梯（中国）有限公司 | Installation method of counter-weight frame of elevator |
| CN102219143A (en) * | 2011-05-31 | 2011-10-19 | 江南嘉捷电梯股份有限公司 | Weight compensation device on underframe of elevator carriage |
| CN104276479A (en) * | 2013-07-09 | 2015-01-14 | 株式会社日立建筑系统 | Lifting method of lift weight and lifting method of lift winch |
| CN104276479B (en) * | 2013-07-09 | 2016-08-24 | 株式会社日立建筑系统 | Lift weight thing hoisting method and lift winch hoisting method |
| CN104944256A (en) * | 2015-05-26 | 2015-09-30 | 上海浦东开灵电梯厂有限公司 | Accurate static balance adjustment device of elevator suspension device |
| CN104944256B (en) * | 2015-05-26 | 2017-07-21 | 上海浦东开灵电梯厂有限公司 | Elevator suspension static balance precise adjusting device |
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