CN104909244B - Compensation wheel used in elevator and elevator - Google Patents
Compensation wheel used in elevator and elevator Download PDFInfo
- Publication number
- CN104909244B CN104909244B CN201510087040.9A CN201510087040A CN104909244B CN 104909244 B CN104909244 B CN 104909244B CN 201510087040 A CN201510087040 A CN 201510087040A CN 104909244 B CN104909244 B CN 104909244B
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- Prior art keywords
- compensation
- wheel
- elevator
- adjustment mechanism
- rope
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention provides compensation wheel used in elevator and elevator.It in high-lift elevator, also can easily apply the tension force of main hoist cable, and compensation wheel maximization can be avoided.Compensation wheel applies tension force with lift car and to the compensation rope of reconnection respectively to two ends.The tension adjustment mechanism (30) for the tension force for being applied to compensation rope can be adjusted by being provided with, and tension adjustment mechanism includes：A pair of compensation wheel guide rails (12), it is fixed in liftway (28)；Wheel body (8), its rotating cylinder portion (8a) that there is side plate (10) and be rotatably arranged between side plate；Cover the directing plate (13) of the upper surface of wheel body；Fixed support (17), it is arranged on compensation wheel guide rail, positioned at the position more closer to the top than directing plate, is fixedly installed screw rod (14)；The movable platen (20) for the nut that subsidiary and screw rod screws togather；And the spring (21) being arranged between directing plate and movable platen.
Description
Technical field
The present invention relates to wheel is compensated used in a kind of elevator and elevator, it is suitable for high-lift electricity more particularly, to one kind
Compensation wheel used in the elevator and elevator of ladder.
Background technology
Existing hoist cable traction elevator uses so-called well-bucket mode, and main hoist cable wound on traction machine and is oriented to cunning by it
On wheel, and by lift car installed in a side of main hoist cable, the another side by counterweight installed in main hoist cable.In the hoist cable
In traction elevator, the deadweight and the main hoist cable of counterweight-side of the weight of lift car and the weight of counterweight plus the main hoist cable of cage side
Deadweight, works as the tension force on the main hoist cable for acting on each side.
Therefore, when lift car is moved to the superiors or orlop, the Tension Difference because of caused by the length of main hoist cable
Reach maximum.In order to reduce the Tension Difference of main hoist cable, the cunning of compensation tension force is set in the pit as liftway bottom
Wheel (hereinafter referred to as " compensation wheel "), by the end of the rope (hereinafter referred to as " compensation rope ") on the compensation wheel respectively with
Lift car and to reconnection, thus the imbalance of the tension force of main hoist cable is compensated.
Patent Document 1 discloses the unbalanced method of the tension force of the main hoist cable of above-mentioned mitigation.Disclosed in the publication
Lift facility in, will compensate hawser upper end with to reconnection, by compensate hawser bottom wound on be arranged at lifting
On reel in the pit of beneath galleries.In addition, the motor that rotation driving is carried out to reel is provided with pit, by right
The motor carries out rotation driving and carrys out tension force of the adjustment effect on compensation hawser.
Prior art literature
Patent document
The Japanese Patent Laid-Open 2005-320105 publications of patent document 1
The content of the invention
The invention problem to be solved
In the elevator of the existing hoist cable traction-type with compensation wheel, the side for compensating rope is arranged on elevator car
On railway carriage or compartment, the another side for compensating rope is arranged on counterweight, and the pars intermedia for compensating rope is taken turns wound on compensation, by
This mitigates the Tension Difference of main hoist cable.
But in existing hoist cable traction elevator, it is necessary to for every elevator design compensation wheel, cause manufacturing cost
And man-hour increase.That is, because the rated passenger (weight of lift car) and lift equal-specification of elevator are because building
Build thing and different, so optimal compensation wheel is also different because of building, and which hinders the standardization of compensation wheel.In addition, in order to
It is high-lift and in the elevator to use at a high speed, Tension Difference caused by because of the deadweight of main hoist cable becomes big, causes compensation wheel big
Type, it may be such that compensation wheel can not be accommodated in pit.Further, since the tension force of compensation rope depends on compensation rope
Deadweight and compensation wheel weight, so because the weight of lift car occur change or building size occur change etc. and
During so that traction there is a problem, it can lead to not be adjusted tension force.
The present invention be in view of make the shortcomings that in the presence of above-mentioned prior art, it is an object of the present invention to even if
It is high-lift elevator, also can easily applies the tension force of main hoist cable, and compensation wheel maximization can be avoided.The present invention's
Other purposes are to compensate wheel by identical to expand the tension range of main hoist cable.
Solution
To achieve these goals, it is a feature of the present invention that providing a kind of elevator, it includes：Carried out in liftway
The lift car and counterweight of lifting；The main hoist cable driven by traction machine, one end thereof are connected with the lift car, another
End and described pair of reconnection；Connect the compensation rope between the bottom of the lift car and the bottom of the counterweight；With set
The compensation wheel in the center section of the compensation rope is put, in the elevator, the compensation wheel has：Rotating cylinder portion, it can
Rotate freely, be wound with the compensation rope；With a pair of compensation wheel guide rails, it is fixed in the liftway, to allow
State rotating cylinder portion and keep the rotating cylinder portion in the mode that above-below direction moves, apply to the compensation rope wound on the rotating cylinder portion and open
The tension adjustment mechanism of power be attached to it is described compensation wheel on, the tension adjustment mechanism by be arranged on it is described compensation wheel guide rail with
Spring between the rotating cylinder portion acts power, applies tension force to the compensation rope.
In addition, realizing that the others of the above-mentioned purpose present invention are characterised by providing a kind of compensation wheel, it is used to hold to two
Portion applies tension force with lift car and to the compensation rope of reconnection respectively, and application can be adjusted by being provided with the compensation wheel
To the tension adjustment mechanism of the tension force of the compensation rope, the tension adjustment mechanism includes：A pair of compensation wheel guide rails, it is fixed
It is arranged in the liftway lifted for the lift car；Wheel body, it has side plate and is rotatably arranged in side
Rotating cylinder portion between plate；Cover the directing plate of the upper surface of the wheel body；Fixed support, it is arranged on the compensation and takes turns guide rail
On, positioned at the position more closer to the top than the directing plate, it is fixedly installed screw rod；The subsidiary nut screwed togather with the screw rod can
Dynamic plate；And the spring for being used to act power being arranged between the directing plate and the movable platen, in the tension adjustment
In mechanism, movable platen is moved up and down by rotating the nut, active force caused by the spring is applied as tension force
It is added on the compensation rope.
Invention effect
According to the present invention, there is elevator compensation to take turns, and be provided with tension adjustment mechanism on the compensation wheel, so even if
It in high-lift elevator, also can easily apply the tension force of main hoist cable, and compensation wheel maximization can be avoided.In addition,
Wheel can be compensated by identical to expand the load compensation scope of main hoist cable.
In addition, other purposes, effect and the effect of the present invention are in the detailed description of invention described below
It is illustrated by.
Brief description of the drawings
Fig. 1 is the schematic diagram for the embodiment for representing elevator involved in the present invention.
Fig. 2 is the front view that wheel is compensated possessed by the elevator shown in Fig. 1.
Fig. 3 is the side view of the compensation wheel shown in Fig. 2.
Fig. 4 is the top view of the compensation wheel shown in Fig. 2.
Fig. 5 is the enlarged drawing of the tension adjustment mechanism of the compensation wheel shown in Fig. 2.
Fig. 6 is the top view of the directing plate of the compensation wheel shown in Fig. 2.
Embodiment
An embodiment of elevator involved in the present invention is illustrated referring to the drawings.
Fig. 1 is the schematic diagram for the embodiment for representing elevator 50 involved in the present invention.In elevator 50, in liftway
The lift car 1 of the lifting in the liftway 28 is provided with 28.It is additionally provided with and is used for and lift car 1 in liftway
Load keep balance counterweight 2.
The main hoist cable 5 that one end is connected with the top of lift car 1 and the other end is connected with the top of counterweight 2 is by lift car
1 and counterweight 2 link together.Main hoist cable 5 wound on leading block 4 and with motor traction machine 3 on, drive motor and
Main hoist cable 5 is rolled or sent out to traction machine, is thus lifted lift car 1.In addition, it is also associated with not on lift car 1
Overspeed governor of diagram etc., by overspeed governor on limiter of speed, control the lifting speed of lift car 1.
Wherein, in elevator 50 involved in the present invention, according to the length of the main hoist cable 5a from traction machine 3 to lift car 1
Spend LCA, on main hoist cable 5a, except effect has the weight W of lift carCALoad beyond, also effect have main hoist cable 5a from
Weight WRCALoad, the even load is as tension force effect on main hoist cable 5a.Equally, hung according to from traction machine 3 to the master of counterweight 2
Rope 5b length LBW, on main hoist cable 5b, there is the load W of counterweight 2 as tension force effectBWWith main hoist cable 5b deadweight WRBWIt is negative
The sum carried.
The weight set of counterweight 2 be the passenger of load and the lift car 1 when lift car 1 is unloaded reach allow to load it is negative
1/2 or so of the sum of load during load.Therefore, in the main hoist cable 5b of main hoist cable 5a and counterweight 2 side of the side of lift car 1,
When lift car 1 is unloaded or when lift car 1 reaches maximum load load, Tension Difference is maximum because caused by changing passenger.
But, it is assumed that the Tension Difference sets the motor capacity of traction machine 3, and can absorb tension change, so in lift car 1
Passenger change hardly the leash of main hoist cable 5 influenceed.
But the main hoist cable 5a of the side of lift car 1 length L caused by because of the position of lift car 1CAAnd with electricity
The main hoist cable 5b for the side of counterweight 2 that the opposite side of terraced car 1 moves up length LBWVariation that main hoist cable 5 can be caused to produce is big
Tension Difference.Especially in the elevator 50 lifted at a high speed in order to high-lift, due to the deadweight of main hoist cable 5 can not be ignored, so
The situation becomes especially pronounced.When having big Tension Difference on main hoist cable 5, in the traction machine 3 for driving main hoist cable 5,
Skidding can be produced between main hoist cable 5 and rope sheave on the output shaft of traction machine 3, causes traction to occur bad.
In order to eliminate the defect, compensation rope 6 is connected between lift car 1 and counterweight 2.That is, will compensation
One end of rope 6 is connected to the bottom of lift car 1, and the other end for compensating rope 6 is connected to the bottom of counterweight 2.This
Outside, the pars intermedia of rope 6 will be compensated wound on being fixedly installed on as the compensation wheel 7 in the pit 25 of the bottom of liftway 28
On.The tension force acted on compensation rope 6 relaxes the imbalance of the tension force between main hoist cable 5a and main hoist cable 5b.
Fig. 2 is the front view of the compensation wheel 7 shown in Fig. 1, and Fig. 3 is the side view of the compensation wheel 7 shown in Fig. 1, and Fig. 4 is compensation
The top view of wheel 7.Compensation wheel 7 have the rotating cylinder portion 8a of cylindrical shape, covering rotating cylinder portion 8a two sides square shape
Side plate 10 and be arranged on via bearing 9a two side plates 10,10 medial surface center axle 9.Bearing 9a is maintained at side plate 10
On.Thus, rotating cylinder portion 8a and axle 9 can rotate freely relative to side plate 10.In addition, as shown in figure 3, bearing 9a is arranged on rotating cylinder
Between portion 8a and axle 9.Now, the both ends of axle 9 are fixed on side plate 10.No matter in the case of any conjunction, including rotating cylinder portion 8a
Rotating part be that wheel body 8 can rotate freely relative to side plate 10.
Central portion on the width of the lateral surface of each side plate 10, two positions of above-below direction are provided with benefit
Repay Wheel-guiding part 11.Compensation Wheel-guiding part 11 engages with compensation wheel guide rail 12.Compensation takes turns guide rail 12 as shown in Fig. 4 top view,
For the section rail-like component in T shape extended in vertical direction, bottom, which is fixed on, is formed at the bottom of liftway 28
Pit 25 in.
Compensation locking of the wheel guide rail 12 to make as T-shaped lever part with rail portion 12a it is relative in a manner of set in pairs
Put.The tension adjustment mechanism 30 stated after mounting as the installation portion 12b of T-shaped crossbar sections of compensation wheel guide rail 12 is led
Used during rail fixture 18.On the face engaged with compensation wheel guide rail of compensation Wheel-guiding part 11, to clip compensation wheel guide rail 12
Locking rail portion 12a mode is formed with the guiding groove 11a extended in above-below direction.
More compensation ropes 6 (6a~6c) are wound with rotating cylinder portion 8a.On compensation rope 6 bag is applied with as tension force
Include oneself of the stationary parts such as rotating cylinder portion 8a, the wheel body 8 of the axle 9 being arranged on inside rotating cylinder portion 8a and bearing 9a etc. and side plate 10
Weight.According to the weight of the grade of wheel body 8, position of the grade of wheel body 8 in locking with adjust automatically above-below direction under rail portion 12a guiding
Put.
In the prior art, the weight difference of main hoist cable 5a and main hoist cable 5b when reaching extreme higher position according to lift car 1
To determine the weight of compensation wheel 7.Therefore, the weight of compensation wheel 7 reaches 1 ton of weight sometimes.
Therefore, in the present invention, the top of compensation wheel 7 is provided with tension adjustment mechanism 30, it is except the grade of wheel body 8
Beyond weight, additionally it is possible to apply tension force to compensation rope 6.Detailed feelings referring to Fig. 2 to Fig. 6 to the tension adjustment mechanism 30
Condition illustrates.Fig. 5 is the front elevation of the amplification of tension adjustment mechanism 30, and Fig. 6 is guided possessed by tension adjustment mechanism 30
The top view of plate 13.
In the face of the installation portion 12b of each compensation wheel guide rail 12 side opposite with rotating cylinder portion, more leaned on than side plate 10
The position of top, it is provided with the fixed support 17 being made up of triangular steel (angle steel) along the width extension of side plate 10.Gu
Fixed rack 17 is located at by using the clamping compensation wheel guide rail 12 of a pair of guide rails fixture 18 for the rear side for being arranged on fixed support 17
Locking is with the installation portion 12b of rail portion 12a both sides come fixed position.In order to fix the position of fixed support 17, rail clamp 18
With bolt clamp device.
On the other hand, directing plate 13 is installed in a manner of the upper surface of each side plate 10 of covering compensation wheel 7, the guiding
The length of the width of plate 13 is roughly the same with fixed support 17, and slightly shorter than rotating cylinder portion 8a diameter.Directing plate 13 exists
Length on the direction (rotating cylinder portion 8a cylinder direction of principal axis) orthogonal with width is as shown in figure 5, extend to installed in compensation
Take turns the end face of the fixed support 17 on guide rail 12.In addition, directing plate 13 covers the area marked by a pair of fixed supports 17, so
The part where wheel guide rail 12 is namely compensated in two ends of directing plate 13, it is dry in order to avoid occurring with compensation wheel guide rail 12
Disturb, formed with otch 16 (reference picture 6).
Hole 15 is formed through in 4 corners 22~25 of directing plate 13.It is relative with the through hole 15 in directing plate 13
It is fixedly mounted on two ends of the length direction answered formed with screwed hole, screw rod 14 in each screwed hole.Or pass through weldering
Connect etc. and screw rod 14 is arranged on directing plate 13.
The bottom of each screw rod 14 passes through through hole 15.In addition, spring 21 is around screw rod 14, and spring
21 upper end is fixed by the nut 19 screwed togather with screw rod 14 across there is the movable platen 20 that screw rod 14 passes through.Movable platen 20 and nut 19
It can also be fixed together by welding etc..
The movable platen 20 for being provided with nut 19 is moved up and down by nutting 19 under the guiding of screw rod 14, makes bullet
Spring 21 compresses or extended.Thus, spring 21 produces elastic force (active force).Caused active force acts on via directing plate 13
On wheel body 8, and as tension force effect on compensation rope 6.
As shown in fig. 6, spring 21 is arranged on substantially symmetric position near 4 corners 22~25 of directing plate 13
On.Because the decrement of each spring 21 in 4 corners 22~25 can be adjusted individually respectively, so unbalanced negative having
, can be by could be adjusted to equably apply tension force to compensation rope 6 to each spring 21 when load is acted on compensation wheel 7.
In figure 6,4 springs 21 are arranged on support bracket fastened lower surface, but as long as being symmetrically disposed on the fixed support 17 of left and right,
It is uneven can just to prevent that active force from occurring.Therefore, spring 21 is not limited in 4 or 6,8 etc..
It need to only be carried out on the Adjustment principle of spring 21 when lift car 1 is imported in liftway 28, so setting side
Just.But can be changed as aging, tractive force etc. occurs for the main hoist cable of elevator 50 and various rope sheaves etc., so excellent
It is selected in inspecting periodically and being adjusted when maintaining for elevator.Now, only need to be by the nut 19 on movable platen 20 towards left and right
Rotation, so also can easily compensate the tension adjustment of rope 6 in this narrow space of pit 25
Operation.
In the present embodiment, due to the decrement of spring 21 can be adjusted according to the displacement of movable platen 20, so going back
The tension force of compensation rope 6 can be adjusted.In the prior art, compensation wheel 7 is changed according to the specification of elevator.But in this reality
Apply in example, because compensation wheel 7 can adjust the tension force of compensation rope 6 by active force caused by spring 21, so need not
The design and replacing of wheel are compensated for every elevator, need to only prepare the specification product of standard, the deviations of standard items can be with
It is adjusted and compensates by spring.
In addition, according to the present embodiment, compensated due to that can be applied to active force caused by spring as tension force on rope,
So even if using small size compensation wheel, also can be by the tension force that increases the active force of spring to apply big.Also, pass through
The spring for applying tension force, Neng Goukuo are used as using nonlinear springs such as the helical springs of variable pitch spring or cone
Hightension adjusting range.The active force for applying the above-mentioned spring of tension force generally need to only have 1kN or so.But, active force
Not limited to this, the spring that can produce greater role power can also be used.
The present invention is not limited in above-described embodiment, can be implemented with other various forms.Above-described embodiment is in all sides
Face is exemplary embodiment.The scope of the present invention belongs to the model impartial with the scope of technical scheme as shown in technical scheme
Deformation and change in enclosing are entirely included in the scope of the present invention.
Symbol description
1 ... lift car, 2 ... counterweights, 3 ... traction machines, 4 ... leading blocks, 5 ... main hoist cables, the main hoist cable of 5a ... cage sides,
The main hoist cable of 5b ... counterweight-sides, 6 ... compensation ropes, 7 ... compensation wheels, 8 ... wheel bodies, 8a ... rotating cylinders portion, 9 ... axles, 9a ... bearing portions
Point, 10 ... side plates, 11 ... compensation Wheel-guiding parts, 11a ... guiding grooves, 12 ... compensation wheel guide rails, 12a ... locking rail portions,
12b ... installation portions, 13 ... directing plates, 14 ... screw rods, 15 ... through holes, 16 ... otch, 17 ... fixed supports, 18 ... guide rail clips
Tool, 19 ... nuts, 20 ... movable platens, 21 ... springs, 22~25 ... (directing plate) corners, 25 ... pits, 28 ... liftways,
30 ... tension adjustment mechanisms, 50 ... elevators.
Claims (4)
1. a kind of elevator, it includes：The lift car and counterweight lifted in liftway；The master driven by traction machine hangs
Rope, one end thereof are connected with the lift car, another end and described pair of reconnection；Connect the bottom of the lift car
Compensation rope between portion and the bottom of the counterweight；With the compensation wheel for being arranged on the pars intermedia for compensating rope, the electricity
Ladder is characterised by：
The compensation wheel includes：Wheel body, its rotating cylinder portion that there is side plate and be rotatably arranged between side plate, in rotating cylinder portion
On be wound with the compensation rope；With a pair of compensation wheel guide rails, it is fixed in the liftway, to allow the rotating cylinder portion
The rotating cylinder portion is kept in the mode of above-below direction movement, the oriented benefit wound on the rotating cylinder portion is set up on the compensation wheel
The tension adjustment mechanism that rope applies tension force is repaid,
The tension adjustment mechanism includes：Cover the directing plate of the upper surface of the wheel body；Along the width side of the side plate
To the fixed support of extension, it is arranged on a pair of compensation wheel guide rails and is located at the position more closer to the top than the directing plate
Put, be fixedly installed screw rod；Movable platen with the nut screwed togather with the screw rod；Be arranged on the directing plate with it is described can
The spring for being used to act power between dynamic plate, in the tension adjustment mechanism, made by rotating the nut movable
Plate moves up and down, and is thus applied to active force caused by the spring as tension force on the compensation rope,
The length of the width of the directing plate is roughly the same with the fixed support, the directing plate with width just
Length on the direction of friendship extends to the support bracket fastened end face, the screw rod of the tension adjustment mechanism, described movable
Plate and the spring are arranged on 4 corners of the directing plate, can each be independently adjustable active force.
2. elevator as claimed in claim 1, it is characterised in that：
Institute of the compensation wheel together with the tension adjustment mechanism set up to being located at by the lift car during extreme higher position
State described between the deadweight of the main hoist cable between lift car and the traction machine and the traction machine and the counterweight
The Tension Difference of the main hoist cable compensates caused by the difference of the deadweight of main hoist cable.
3. a kind of elevator is taken turns with compensation, for the compensation rope application with lift car and to reconnection respectively to two ends
Power, the elevator compensation wheel are characterised by：
The tension adjustment mechanism for the tension force for being applied to the compensation rope, the tension adjustment mechanism bag can be adjusted by being provided with
Include：A pair of compensation wheel guide rails, it is fixedly installed in the liftway lifted for the lift car；Wheel body, it has
The rotating cylinder portion for having side plate and being rotatably arranged between side plate；Cover the directing plate of the upper surface of the wheel body；Along institute
The fixed support of the width extension of side plate is stated, it is arranged on a pair of compensation wheel guide rails and positioned at than the guiding
Plate position closer to the top, is fixedly installed screw rod；Movable platen with the nut screwed togather with the screw rod；It is described with being arranged on
The spring for being used to act power between directing plate and the movable platen, in the tension adjustment mechanism, by rotating
State nut and move up and down movable platen, active force caused by the spring thus is applied into the compensation as tension force restricts
Suo Shang,
The length of the width of the directing plate is roughly the same with the fixed support, the directing plate with width just
Length on the direction of friendship extends to the support bracket fastened end face, the screw rod of the tension adjustment mechanism, described movable
Plate and the spring are arranged on 4 corners of the directing plate, can each be independently adjustable active force.
4. elevator as claimed in claim 3 is taken turns with compensation, it is characterised in that：
The spring possessed by the tension adjustment mechanism is nonlinear spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-050607 | 2014-03-13 | ||
| JP2014050607A JP6215093B2 (en) | 2014-03-13 | 2014-03-13 | Elevator and compensator used for it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104909244A CN104909244A (en) | 2015-09-16 |
| CN104909244B true CN104909244B (en) | 2018-01-23 |
Family
ID=54078764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510087040.9A Active CN104909244B (en) | 2014-03-13 | 2015-02-25 | Compensation wheel used in elevator and elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6215093B2 (en) |
| CN (1) | CN104909244B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416648B (en) * | 2016-05-23 | 2019-03-29 | 株式会社日立大厦系统 | Lift appliance |
| CN107758470B (en) * | 2016-08-18 | 2020-06-09 | 奥的斯电梯公司 | Tensioning device for compensating wheel, compensating wheel and elevator |
| CN107826929B (en) * | 2017-11-20 | 2024-01-26 | 恒达富士电梯有限公司 | Pit compensation rope tensioning anti-jump equipment |
| CN112478980A (en) * | 2020-12-11 | 2021-03-12 | 曹正书 | Vertical elevator |
| CN113120725B (en) * | 2021-04-26 | 2023-01-31 | 中国恩菲工程技术有限公司 | Integral multi-rope lifting tail rope tensioning anti-swing device |
| CN113200429B (en) * | 2021-04-26 | 2023-01-31 | 中国恩菲工程技术有限公司 | Split type multi-rope lifting tail rope tensioning anti-swing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1944772A (en) * | 1932-09-10 | 1934-01-23 | Westinghouse Elec Elevator Co | Elevator compensating rope sheave |
| JPS4983753U (en) * | 1972-11-06 | 1974-07-19 | ||
| JPH11228055A (en) * | 1998-02-17 | 1999-08-24 | Toshiba Corp | Balanced rope tensioning wheel for elevator |
| JP2001039648A (en) * | 1999-07-30 | 2001-02-13 | Mitsubishi Electric Building Techno Service Co Ltd | Tension method and device for elevator governor rope |
| JP2002128419A (en) * | 2000-10-19 | 2002-05-09 | Toshiba Corp | Safety device for vehicle for compensating pulley for elevator |
| JP2004010222A (en) * | 2002-06-05 | 2004-01-15 | Toshiba Elevator Co Ltd | Locking releasing device for elevator tie down device |
| JP2005350190A (en) * | 2004-06-09 | 2005-12-22 | Hitachi Ltd | Hoisting machine supporting device for elevator |
| JP2008222339A (en) * | 2007-03-09 | 2008-09-25 | Toshiba Elevator Co Ltd | Governor tensioner device for elevator |
| CN102897628A (en) * | 2012-09-12 | 2013-01-30 | 昆山京都电梯有限公司 | Spring type tension roller |
-
2014
- 2014-03-13 JP JP2014050607A patent/JP6215093B2/en active Active
-
2015
- 2015-02-25 CN CN201510087040.9A patent/CN104909244B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015174719A (en) | 2015-10-05 |
| JP6215093B2 (en) | 2017-10-18 |
| CN104909244A (en) | 2015-09-16 |
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