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CN1217846C - Main rope elongation compensating device for elevator - Google Patents

Main rope elongation compensating device for elevator Download PDF

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Publication number
CN1217846C
CN1217846C CN00818268.XA CN00818268A CN1217846C CN 1217846 C CN1217846 C CN 1217846C CN 00818268 A CN00818268 A CN 00818268A CN 1217846 C CN1217846 C CN 1217846C
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China
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main rope
pulley
elevator
adjusting pulley
compensating device
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CN1420838A (en
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八尾知彦
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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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
    • 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)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

一种电梯的主绳索伸缩补偿装置，该电梯的吊挂电梯笼及平衡锤的主绳索由合成纤维制成，且卷挂在驱动装置的驱动滑轮和偏导轮上，设有旋转自如的调节滑轮，该调节滑轮可变位地设置在所述驱动滑轮与所述偏导轮之间且与所述主绳索相接，通过所述调节滑轮的变位而使所述驱动滑轮与所述偏导轮之间的所述主绳索的长度发生变化，其特征在于，还设有对设在所述主绳索上的标记进行检测以对所述主绳索的长度变化进行检测的检测装置，所述调节滑轮根据来自所述检测装置的信号而变位。本发明可大幅度地减轻调节主绳索长度所需的精力。

Figure 00818268

A main rope telescopic compensation device for an elevator, the main rope of the elevator hanging the elevator cage and the counterweight is made of synthetic fibers, and is wound on the driving pulley and deflector pulley of the driving device, with a freely rotatable adjustment The adjustment pulley is displaceably arranged between the driving pulley and the deflection pulley and is connected to the main rope. Through the displacement of the adjustment pulley, the driving pulley and the deflection pulley are The length of the main rope between the guide wheels changes, and it is characterized in that a detection device for detecting the mark on the main rope is also provided to detect the change in the length of the main rope. The adjustment pulley is displaced according to the signal from the detection device. The present invention can greatly reduce the energy required for adjusting the length of the main rope.

Figure 00818268

Description

电梯的主绳索伸缩补偿装置Elevator Main Rope Expansion Compensation Device

(一)技术领域(1) Technical field

本发明涉及设于用合成纤维绳索作为主绳索的电梯、能够根据季节变化引起的主绳索长度变化而适当调节电梯笼及平衡锤的位置关系的电梯的主绳索伸缩补偿装置。The invention relates to a main rope expansion and contraction compensating device for an elevator which uses a synthetic fiber rope as the main rope, and which can properly adjust the positional relationship between the elevator cage and the counterweight according to the length change of the main rope caused by seasonal changes.

(二)背景技术(2) Background technology

迄今为止，若电梯使用钢缆作为主绳索，由于季节变化引起的主绳索伸缩量相对主绳索的更换周期而言微不足道，因此是在必要时在主绳索的端部调节长度。So far, if the elevator uses a steel cable as the main rope, the expansion and contraction of the main rope due to seasonal changes is negligible compared to the replacement cycle of the main rope, so the length is adjusted at the end of the main rope when necessary.

但若是用合成纤维作为主绳索，则会受湿度等的影响，其伸缩量会大大超过钢缆，需要频繁地调节长度。因此，若只是在主绳索的端部进行调节就不能满足要求。However, if synthetic fibers are used as the main rope, it will be affected by humidity, etc., and its expansion and contraction will greatly exceed that of steel cables, requiring frequent length adjustments. Therefore, if just adjust at the end of main rope, just can't satisfy requirement.

(三)发明内容(3) Contents of the invention

本发明正是为了解决上述课题，目的在于提供能够充分适应合成纤维制主绳索的长度变化的电梯的主绳索伸缩补偿装置。The present invention is intended to solve the above-mentioned problems, and an object of the present invention is to provide a main rope expansion and contraction compensation device for an elevator that can sufficiently adapt to changes in the length of a synthetic fiber main rope.

本发明的电梯的主绳索伸缩补偿装置，该电梯的吊挂电梯笼及平衡锤的主绳索由合成纤维制成，且卷挂在驱动装置的驱动滑轮和偏导轮上，具有旋转自如的调节滑轮，该调节滑轮可变位地设置在驱动滑轮与偏导轮之间，且与主绳索相接，通过变位而使驱动滑轮与偏导轮之间的主绳索的长度发生变化，其特征在于，还设有对设在主绳索上的标记进行检测以对主绳索的长度变化进行检测的检测装置，调节滑轮根据来自检测装置的信号而变位。The main rope expansion and contraction compensation device of the elevator of the present invention, the main rope of the elevator hanging the elevator cage and the counterweight is made of synthetic fiber, and is wound on the driving pulley and the deflecting pulley of the driving device, and has a freely rotatable adjustment Pulley, the adjustment pulley is displaceably arranged between the driving pulley and the deflecting pulley, and is connected to the main rope, and the length of the main rope between the driving pulley and the deflecting pulley is changed through the displacement. In that, a detection device for detecting a mark provided on the main rope to detect a change in length of the main rope is further provided, and the adjustment pulley is displaced according to a signal from the detection device.

(四)附图说明(4) Description of drawings

图1是具有本发明实施形态1的主绳索伸缩补偿装置的电梯的结构图。Fig. 1 is a block diagram of an elevator provided with a main rope expansion and contraction compensating device according to Embodiment 1 of the present invention.

图2是表示图1的主绳索的结构的立体图。Fig. 2 is a perspective view showing the structure of the main rope of Fig. 1 .

图3是具有本发明实施形态2的主绳索伸缩补偿装置的电梯的结构图。Fig. 3 is a block diagram of an elevator equipped with a main rope expansion and contraction compensating device according to Embodiment 2 of the present invention.

图4是具有本发明实施形态3的主绳索伸缩补偿装置的电梯的结构图。Fig. 4 is a block diagram of an elevator equipped with a main rope expansion and contraction compensating device according to Embodiment 3 of the present invention.

(五)具体实施方式(5) Specific implementation methods

以下结合附图说明本发明的较佳实施形态。The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings.

实施形态1Embodiment 1

图1是具有本发明实施形态1的主绳索伸缩补偿装置的电梯的结构图。Fig. 1 is a block diagram of an elevator provided with a main rope expansion and contraction compensating device according to Embodiment 1 of the present invention.

图中，在升降通道的上部设有驱动装置1及偏导轮2。在驱动装置1的驱动滑轮1a及偏导轮2上卷挂着合成纤维制主绳索3。在主绳索3的一端部吊挂着电梯笼4。在主绳索3的另一端部吊挂着平衡锤5。In the figure, a driving device 1 and a deflecting wheel 2 are arranged on the upper part of the lifting passage. A main rope 3 made of synthetic fibers is wound around a driving pulley 1 a and a deflector pulley 2 of the driving device 1 . An elevator cage 4 is suspended from one end of the main rope 3 . A counterweight 5 is suspended from the other end of the main rope 3 .

在驱动滑轮1a与偏导轮2之间设有与主绳索3相接的旋转自如的调节滑轮6。调节滑轮6在具有减速机的滑轮驱动装置7的驱动下，受引导装置8引导而作直线滑动变位。通过使调节滑轮6变位，使驱动滑轮1a与偏导轮2之间的主绳索3的长度发生变化。Between the drive pulley 1 a and the deflection pulley 2 , a rotatable adjustment pulley 6 connected to the main rope 3 is provided. The adjusting pulley 6 is driven by the pulley driving device 7 with a reducer, and is guided by the guiding device 8 to make a linear sliding displacement. By displacing the adjustment pulley 6, the length of the main rope 3 between the drive pulley 1a and the deflector pulley 2 is changed.

相对驱动滑轮1a及偏导轮2而言，调节滑轮6设置在主绳索3的另一侧。在升降通道内，设有对主绳索3的长度变化进行检测的检测装置9。作为检测装置9，可以是对设于主绳索3上的标记的位置进行检测，或是对电梯笼4位于指定楼层时的平衡锤5的位置进行检测。另外，对标记或平衡锤5位置，可以用光学式开关或机械式微动开关等进行检测。Relative to the driving pulley 1a and the deflecting pulley 2, the adjusting pulley 6 is arranged on the other side of the main rope 3. In the hoistway, a detection device 9 for detecting the length change of the main rope 3 is provided. As the detecting device 9, it is possible to detect the position of the mark provided on the main rope 3, or to detect the position of the counterweight 5 when the elevator cage 4 is located on a designated floor. In addition, the position of the mark or the counterweight 5 can be detected by an optical switch or a mechanical micro switch.

在实施形态1中，滑轮驱动装置7根据来自检测装置9的信号而进行驱动，并自动地对调节滑轮6的位置进行调节。主绳索伸缩补偿装置具有调节滑轮6、滑轮驱动装置7、引导装置8及检测装置9。In Embodiment 1, the pulley drive device 7 is driven based on the signal from the detection device 9, and automatically adjusts the position of the adjustment pulley 6. As shown in FIG. The main rope telescopic compensation device has an adjusting pulley 6 , a pulley driving device 7 , a guiding device 8 and a detecting device 9 .

图2是表示图1的主绳索3的结构的立体图。图中，芯线21的周围设有内部绳索层24，该内部绳索层24具有多根内部绳索22和配置在这些内部绳索22间的间隙中的充填绳索23。各内部绳索22由多根芳族聚酰胺纤维和聚氨基甲酸乙酯等的浸渍材料构成。充填绳索23可用聚酰胺构成。Fig. 2 is a perspective view showing the structure of the main rope 3 in Fig. 1 . In the figure, an inner rope layer 24 is provided around the core wire 21 . The inner rope layer 24 has a plurality of inner ropes 22 and a filling rope 23 disposed in the gaps between the inner ropes 22 . Each inner cord 22 is made of a plurality of aramid fibers and an impregnated material such as polyurethane. Filling rope 23 can be made of polyamide.

在内部绳索层24的外周设有外部绳索层26，该外部绳索层26具有多根外部绳索25。各外部绳索25与内部绳索22同样，用多根芳族聚酰胺纤维和聚氨基甲酸乙酯等的浸渍材料构成。An outer rope layer 26 having a plurality of outer ropes 25 is provided on the outer periphery of the inner rope layer 24 . Each of the outer cords 25 is made of a plurality of aramid fibers and an impregnated material such as polyurethane, similarly to the inner cords 22 .

在内部绳索层24与外部绳索层26之间设有减轻摩擦被覆层27，用于避免绳索层22、25相互间的摩擦引起的绳索22、25的磨损。另外在外部绳索层26的外周设有保护被覆层28。A friction reducing coating layer 27 is provided between the inner rope layer 24 and the outer rope layer 26 to prevent wear of the ropes 22 , 25 caused by friction between the rope layers 22 , 25 . In addition, a protective covering layer 28 is provided on the outer periphery of the outer rope layer 26 .

具有上述结构的合成纤维绳索与钢缆相比，具有较高的摩擦系数和极好的可挠性。The synthetic fiber rope having the above structure has a higher coefficient of friction and excellent flexibility than steel cables.

采用这种主绳索伸缩补偿装置时，一旦用检测装置9检测到主绳索3的伸长量，滑轮驱动装置7即根据来自检测装置9的信号而自动驱动，调节滑轮6沿着引导装置8向图1的下方滑动。这样一来，即如图1的双点划线所示，驱动滑轮1a与偏导轮2之间的主绳索3的长度加长，主绳索3整体的伸长量即得以吸收。而且，一旦电梯笼4及平衡锤5的位置关系返回到正常状态，调节滑轮6的移动即自动停止。When using this kind of main rope expansion and contraction compensation device, once the elongation of the main rope 3 is detected by the detection device 9, the pulley drive device 7 will automatically drive according to the signal from the detection device 9, and the adjustment pulley 6 will move along the direction of the guide device 8. Slide below Figure 1. In this way, as shown by the two-dot chain line in FIG. 1 , the length of the main rope 3 between the driving pulley 1a and the deflector pulley 2 is lengthened, and the overall elongation of the main rope 3 is absorbed. Moreover, once the positional relationship between the elevator cage 4 and the counterweight 5 returns to the normal state, the movement of the adjustment pulley 6 stops automatically.

相反，当检测到主绳索3缩短时，只要使调节滑轮6向图1的上方变位，驱动滑轮1a与偏导轮2之间的主绳索3的长度即缩短，主绳索3整体的缩短量即得以吸收。On the contrary, when it is detected that the main rope 3 is shortened, as long as the adjustment pulley 6 is displaced upward in FIG. That is absorbed.

从而，采用上述主绳索伸缩补偿装置，即使合成纤维制的主绳索3发生伸缩，也能使电梯笼4及平衡锤5的位置关系保持在正常状态。而且调节滑轮6是受引导装置8的引导而作直线滑动，故可以使调节滑轮6稳定地变位。Therefore, with the above-mentioned main rope expansion and contraction compensating device, even if the main rope 3 made of synthetic fibers expands and contracts, the positional relationship between the elevator cage 4 and the counterweight 5 can be maintained in a normal state. And the adjustment pulley 6 is guided by the guide device 8 to slide linearly, so the adjustment pulley 6 can be displaced stably.

再有，一旦用检测装置9检测到主绳索3的伸缩，滑轮驱动装置7就使调节滑轮6自动地变位，因此可大幅度地减轻调节主绳索3的长度时所化费的精力。Furthermore, once the expansion and contraction of the main rope 3 is detected by the detection device 9, the pulley driving device 7 automatically displaces the adjustment pulley 6, so that the effort of adjusting the length of the main rope 3 can be greatly reduced.

再有，由于调节滑轮6相对驱动滑轮1a及偏导轮2处于主绳索3的另一侧，因此当主绳索3发生伸缩时，调节滑轮6即向增大主绳索3在驱动滑轮1a上的卷挂角度的方向变位，可防止因调节滑轮6的变位而使主绳索3与驱动滑轮1a之间的牵引力减少。Furthermore, since the adjusting pulley 6 is on the other side of the main rope 3 with respect to the driving pulley 1a and the deflecting pulley 2, when the main rope 3 expands and contracts, the adjusting pulley 6 promptly increases the volume of the main rope 3 on the driving pulley 1a. The direction displacement of the hanging angle can prevent the reduction of the traction force between the main rope 3 and the driving pulley 1a due to the displacement of the adjustment pulley 6 .

实施形态2Implementation form 2

图3是具有本发明实施形态2的主绳索伸缩补偿装置的电梯的结构图。图中，调节滑轮6搭载于可转动的支臂11的前端部。支臂11受滑轮驱动装置12驱动而以其基端部为中心转动。调节滑轮6因支臂11转动而变位。其他结构则与实施形态1相同。Fig. 3 is a block diagram of an elevator equipped with a main rope expansion and contraction compensating device according to Embodiment 2 of the present invention. In the figure, the adjustment pulley 6 is mounted on the front end of the rotatable arm 11 . The arm 11 is driven by a pulley driving device 12 to rotate around its base end. The adjustment pulley 6 is displaced due to the rotation of the support arm 11 . Other structures are the same as those in Embodiment 1.

采用这种主绳索伸缩补偿装置时，一旦用检测装置9检测到主绳索3的伸长量，滑轮驱动装置12即根据来自检测装置9的信号而自动驱动，支臂11向图1的逆时针方向转动，调节滑轮6向图1的下方滑动。这样一来，即如图3的双点划线所示，驱动滑轮1a与偏导轮2之间的主绳索3的长度加长，主绳索3整体的伸长量即得以吸收。而且，一旦电梯笼4及平衡锤5的位置关系返回到正常状态，支臂11转动即自动停止。When using this main rope expansion and contraction compensation device, once the elongation of the main rope 3 is detected by the detection device 9, the pulley drive device 12 is automatically driven according to the signal from the detection device 9, and the support arm 11 moves counterclockwise in Fig. 1 Direction rotation, the adjustment pulley 6 slides to the bottom of Figure 1. In this way, as shown by the two-dot chain line in FIG. 3 , the length of the main rope 3 between the driving pulley 1a and the deflector pulley 2 is lengthened, and the overall elongation of the main rope 3 is absorbed. Moreover, once the positional relationship between the elevator cage 4 and the counterweight 5 returns to the normal state, the rotation of the support arm 11 will automatically stop.

相反，当检测到主绳索3缩短时，只要使支臂11向图1的顺时针方向转动并使调节滑轮6向图1的上方变位，驱动滑轮1a与偏导轮2之间的主绳索3的长度即缩短，主绳索3整体的缩短量即得以吸收。On the contrary, when it is detected that the main rope 3 is shortened, as long as the support arm 11 is rotated clockwise in FIG. 1 and the adjustment pulley 6 is displaced upward in FIG. The length of 3 promptly shortens, and the shortening amount of main rope 3 whole body promptly can be absorbed.

从而，采用上述主绳索伸缩补偿装置，即使合成纤维制的主绳索3发生伸缩，也能使电梯笼4及平衡锤5的位置关系保持在正常状态。Therefore, with the above-mentioned main rope expansion and contraction compensating device, even if the main rope 3 made of synthetic fibers expands and contracts, the positional relationship between the elevator cage 4 and the counterweight 5 can be maintained in a normal state.

不过，在实施形态1和2中，调节滑轮6是自动变位，但也可使用滚珠螺杆等进行手动变位。However, in Embodiments 1 and 2, the adjustment pulley 6 is automatically displaced, but it may be manually displaced using a ball screw or the like.

另外，除了季节变动会引起主绳索3的伸缩外，主绳索3还会发生时效性伸长，有时尽管调节滑轮6已最大限度地变位，仍能检测到主绳索3的伸长，此时可向控制室等发出警报，由维修人员进行检查维修作业。In addition, in addition to the expansion and contraction of the main rope 3 caused by seasonal changes, the main rope 3 will also elongate over time. Sometimes, although the adjustment pulley 6 has been displaced to the maximum, the elongation of the main rope 3 can still be detected. An alarm can be sent to the control room, etc., and maintenance personnel can carry out inspection and maintenance work.

再有，实施形态1、2中的调节滑轮6是相对驱动滑轮1a和偏导轮2而位于主绳索3的另一侧，当然调节滑轮6也可与驱动滑轮1a和偏导轮2处于主绳索3的同一侧。Furthermore, the adjusting pulley 6 in Embodiments 1 and 2 is located on the other side of the main rope 3 relative to the driving pulley 1a and the deflecting pulley 2. Same side of rope 3.

实施形态3Implementation form 3

这里，一旦驱动滑轮1a和主绳索3之间的牵引力过大，则即使在平衡锤5因某种故障而与升降通道底部的缓冲器(未图示)发生碰撞之后，主绳索3也可能不在驱动滑轮1a上滑动，而是将电梯笼4吊起。Here, once the traction force between the drive pulley 1a and the main rope 3 is too large, even after the counterweight 5 collides with the buffer (not shown) at the bottom of the hoistway due to some kind of failure, the main rope 3 may not be on the ground. The drive pulley 1a slides, but the elevator cage 4 is hoisted.

如果要避免这种事态发生，就将驱动滑轮1a与主绳索3之间的牵引力控制在许可值以下。为此，在调节滑轮6位于初始位置时牵引力已接近许可值的场合，最好通过使调节滑轮6变位来增大主绳索3在驱动滑轮1a上的卷挂角度。If this situation is to be avoided, the traction force between the drive pulley 1a and the main rope 3 should be controlled below the allowable value. Therefore, when the traction force is close to the allowable value when the adjusting pulley 6 is at the initial position, it is preferable to increase the winding angle of the main rope 3 on the driving pulley 1a by displacing the adjusting pulley 6 .

从而，在这种场合，如图4所示，最好将调节滑轮6与驱动滑轮1a及偏导轮2配置在主绳索3的同一侧。这样，一旦调节滑轮6向图的上方变位，牵引力即减小，因此不会超过许可值。Therefore, in this case, as shown in FIG. 4 , it is preferable to arrange the adjusting pulley 6 on the same side of the main rope 3 as the driving pulley 1 a and the deflecting pulley 2 . In this way, once the adjustment pulley 6 displaces to the top of the figure, the traction force is reduced, so it will not exceed the allowable value.

不言而喻，在这种场合，即使调节滑轮6已最大限度地变位，也能确保所需的最小限度的牵引力。It goes without saying that in this case the required minimum traction force is ensured even with the maximum displacement of the adjusting pulley 6 .

Claims (5)

1. the main rope elongation compensating device of an elevator, the main rope of hanging cage and bob-weight of this elevator is made by syntheticfibres, and volume hangs on the drive pulley and deflector sheave of actuating device,
Be provided with rotation adjusting pulley freely, be arranged between described drive pulley and the described deflector sheave and to this adjusting pulley variable bit and join with described main rope, displacement by described adjusting pulley changes the length of the described main rope between described drive pulley and the described deflector sheave
It is characterized in that the mark that also is provided with being located on the described main rope detects the detecting device that detects with the length variations to described main rope,
Described adjusting pulley is according to from the signal of described detecting device and displacement.
2. the main rope elongation compensating device of elevator according to claim 1 is characterized in that, also is provided with the pulley drive device that the described adjusting pulley of guiding is made the guiding device of straight line displacement and described adjusting pulley is slided along described guiding device.
3. the main rope elongation compensating device of elevator according to claim 1 is characterized in that, also is provided with the rotating support arm that carries described adjusting pulley and by making described support arm rotate the pulley drive device that makes the displacement of described adjusting pulley.
4. the main rope elongation compensating device of elevator according to claim 1 is characterized in that, described relatively drive pulley of described adjusting pulley and described deflector sheave and be positioned at the opposite side of described main rope.
5. the main rope elongation compensating device of elevator according to claim 1 is characterized in that, described adjusting pulley and described drive pulley and described deflector sheave are positioned at the same side of described main rope.
CN00818268.XA 2000-11-08 2000-11-08 Main rope elongation compensating device for elevator Expired - Fee Related CN1217846C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007847 WO2002038481A1 (en) 2000-11-08 2000-11-08 Main rope elongation compensating device for elevator

Publications (2)

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CN1420838A CN1420838A (en) 2003-05-28
CN1217846C true CN1217846C (en) 2005-09-07

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CN00818268.XA Expired - Fee Related CN1217846C (en) 2000-11-08 2000-11-08 Main rope elongation compensating device for elevator

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EP (1) EP1357074B1 (en)
JP (1) JPWO2002038481A1 (en)
CN (1) CN1217846C (en)
DE (1) DE60042499D1 (en)
WO (1) WO2002038481A1 (en)

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CN105722783A (en) * 2013-11-14 2016-06-29 因温特奥股份公司 Elevator drive
TWI703081B (en) * 2015-12-22 2020-09-01 瑞士商伊文修股份有限公司 Lift system,method for setting a length of a section of a traction medium in a reservoir with such a lift system and use of a reservoir

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FI118079B (en) * 2004-03-26 2007-06-29 Kone Corp Elevator, Method for Preventing and / or Stopping Elevator Movement and Using a Device for Preventing and / or Stopping Elevator Cart Movement in an Elevator
KR100949632B1 (en) * 2004-05-28 2010-03-26 미쓰비시덴키 가부시키가이샤 Rope slip detection device of elevator, and elevator device
ATE465967T1 (en) 2005-03-12 2010-05-15 Thyssenkrupp Elevator Ag ELEVATOR SYSTEM
TWI394705B (en) * 2007-02-02 2013-05-01 Inventio Ag Lift and method of monitoring this lift
WO2016203650A1 (en) * 2015-06-19 2016-12-22 三菱電機株式会社 Elevator control apparatus and method for estimating expansion/contraction amount of governor rope
CN104973512B (en) * 2015-07-05 2017-06-13 浙江麒龙起重机械有限公司 A kind of crane lifting rope swing limiting mechanism
CN110052350B (en) * 2019-05-29 2024-08-23 江苏鑫诚润建设有限公司 Unmanned automatic rust removing and spraying device for inner wall of storage tank

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JPH0859106A (en) * 1994-08-18 1996-03-05 Mitsubishi Denki Bill Techno Service Kk Landing error correction device for elevator
JP2000118914A (en) * 1998-10-08 2000-04-25 Hitachi Building Systems Co Ltd Elevator main rope tension compensator

Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN105722783A (en) * 2013-11-14 2016-06-29 因温特奥股份公司 Elevator drive
TWI703081B (en) * 2015-12-22 2020-09-01 瑞士商伊文修股份有限公司 Lift system,method for setting a length of a section of a traction medium in a reservoir with such a lift system and use of a reservoir
US11186465B2 (en) 2015-12-22 2021-11-30 Inventio Ag Elevator system having a reservoir for traction medium

Also Published As

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EP1357074A4 (en) 2008-10-01
DE60042499D1 (en) 2009-08-13
WO2002038481A1 (en) 2002-05-16
EP1357074A1 (en) 2003-10-29
EP1357074B1 (en) 2009-07-01
CN1420838A (en) 2003-05-28
JPWO2002038481A1 (en) 2004-03-18

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