CN112867689B - Elevator and compensating rope support mechanism - Google Patents
Elevator and compensating rope support mechanism Download PDFInfo
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- CN112867689B CN112867689B CN201880098857.8A CN201880098857A CN112867689B CN 112867689 B CN112867689 B CN 112867689B CN 201880098857 A CN201880098857 A CN 201880098857A CN 112867689 B CN112867689 B CN 112867689B
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- Prior art keywords
- rope
- compensating
- elevator
- fitting
- elevator car
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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
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
Abstract
The compensating rope support mechanism includes a wedge member, a rope sleeve, and a mounting plate. An end of the compensating rope is wound around the wedge member. An insertion hole into which one end of a compensation rope wound around a wedge member is inserted is formed in the rope sleeve. The mounting plate is formed with a fitting hole into which a part of the rope sleeve is fitted.
Description
Technical Field
The invention relates to an elevator with a compensating rope connected to an elevator car and a counterweight, and a compensating rope support mechanism.
Background
Conventionally, in an elevator, when a moving distance in a lifting direction of an elevator car and a counterweight becomes long, a length from a hoist to the elevator car of a main rope connecting the elevator car and the counterweight changes depending on a position of the elevator car. As a result, the difference between the weight of the main rope applied to the elevator car side of the hoist and the weight of the counterweight side becomes large due to the weight of the main rope itself. In order to reduce the difference between the weight of the main rope on the elevator car side and the weight of the counterweight side, a compensating rope is provided.
A rope used for an elevator, such as a compensating rope or a main suspension rope, is configured by twisting strands to a core steel, and thus the rope rotates in a circumferential direction when a force is applied in a tensile direction. As a technique for preventing such rotation of the rope, for example, a technique described in patent document 1 is proposed.
Further, as a method of supporting the end portion of the rope, a babbitt type and a wedge type are adopted. In the babbitt type, the end of the rope is fixed by preheating a rope sleeve that holds the end of the rope and flowing molten metal into the rope sleeve. In the babbitt metal formula, the required skill is high, and the completion thereof varies depending on the skill of the operator. Therefore, in recent years, a wedge type having a lower skill requirement than the babbitt type is demanded.
Fig. 5 is a perspective view showing a structure for supporting an end portion of a compensating rope by a wedge type in the conventional example.
As shown in fig. 5, the conventional support mechanism 300 includes a wedge member 301, a rope sleeve 302, a mounting plate 303 fixed to an elevator car or a counterweight, a rod 305, and a coupling pin 306.
An end of the compensating rope 131 is wound around the wedge member 301. The end of the compensating rope 131 wound around the wedge member 301 is attached to the rope sleeve 302. The end portions of the compensating ropes 131 are folded back and overlapped, and are fastened and connected by the rope clamp 304. The rope sleeve 302 is coupled to the rod 305 via a coupling pin 306. The rod 305 is inserted into a mounting hole provided in the mounting plate 303 from below in the vertical direction, and is fixed to the mounting plate 303 by a fixing bolt 307.
Documents of the prior art
Patent literature
Patent document 1: japanese patent laid-open publication No. 2015-3800
Disclosure of Invention
Problems to be solved by the invention
However, in the conventional support mechanism shown in fig. 5, since a part of the rope sleeve 302 and the rod 305 protrude upward in the vertical direction from the end portion of the compensation rope 131, a relatively large installation space is required. Further, there is a problem that the number of parts increases due to the lever and the engagement pin connecting the lever and the rope sleeve.
In view of the above-described problems, an object of the present invention is to provide an elevator and a compensating rope support mechanism that can prevent rotation of a compensating rope and reduce the number of components and space.
Means for solving the problems
In order to solve the above problems and achieve the object, an elevator includes an elevator car, a counterweight, a compensation rope, and a compensation rope support mechanism. An elevator car moves up and down in an elevator shaft provided in a building structure. The counterweight is connected to the elevator car via a main rope. One end of the compensating rope is connected to the elevator car, and the other end opposite to the one end is connected to the counterweight. The compensating rope support mechanism connects one end of the compensating rope to the elevator car or the other end to the counterweight.
The compensating rope support mechanism includes a wedge member, a rope sleeve, and a mounting plate. One or the other end of the compensating rope is wound around the wedge member. The rope sleeve is formed with an insertion hole into which one end portion or the other end portion of the compensation rope wound around the wedge member is inserted. The mounting plate is provided in the elevator car or the counterweight, and has a fitting hole into which a part of the lower portion of the rope socket in the vertical direction is inserted from above in the vertical direction and into which a part of the rope socket is fitted.
In addition, the compensating rope support means described above can be applied to the compensating rope support means.
Effects of the invention
According to the elevator and the compensating rope supporting mechanism having the above-described configuration, the rotation of the compensating rope can be prevented, and the space can be saved while reducing the number of components.
Drawings
Fig. 1 is a schematic configuration diagram showing an elevator according to a first embodiment.
Fig. 2 is a perspective view showing an elevator car side end portion of a compensating rope of an elevator according to a first embodiment.
Fig. 3 is a sectional view showing the compensating rope support mechanism of the first embodiment.
Fig. 4 is a sectional view showing a compensating rope support mechanism of a second embodiment.
Fig. 5 is a perspective view showing an elevator car side end portion of a compensating rope of an elevator of a conventional example.
Detailed Description
Hereinafter, an embodiment of an elevator and a compensating rope support mechanism will be described with reference to fig. 1 to 4. In the drawings, the same reference numerals are given to the common members.
1. First embodiment example
1-1. Structure of elevator
First, the structure of an elevator according to a first embodiment (hereinafter, referred to as "this example") will be described with reference to fig. 1.
Fig. 1 is a schematic configuration diagram showing a configuration example of an elevator of this example.
As shown in fig. 1, an elevator 1 of this example is provided in a hoistway 110 formed in a building structure. The elevator 1 includes an elevator car 120 that moves up and down in an elevator shaft 110 and carries people and freight, a main rope 130, a counterweight 140, and a hoisting machine 100. A machine room 160 is provided on the top of the hoistway 110. The elevator 1 further includes a plurality of compensating ropes 131, a compensating pulley 132 around which the compensating ropes 131 are wound, a compensating rope supporting mechanism 10 that supports the compensating ropes 131, and an adjusting mechanism 190.
The hoist 100 is disposed in the machine room 160, and winds the main rope 130 to raise and lower the elevator car 120. In addition, a deflector pulley 150 for mounting the main rope 130 is provided near the hoist 100.
One axial end of the main sling 130 is connected to the upper part of the elevator car 120, and the other axial end of the main sling 130 is connected to the upper part of the counterweight 140. Therefore, the elevator car 120 is coupled to the counterweight 140 via the main rope 130.
When the hoist 100 is driven, the elevator car 120 moves up and down in the elevator shaft 110 along a car-side guide rail not shown, and the counterweight 140 moves up and down in the elevator shaft 110 along a counterweight-side guide rail not shown. The direction in which the elevator car 120 and the counterweight 140 move up and down is referred to as the vertical direction. In addition, the vertical direction is parallel to the vertical direction.
In the elevator 1, when the moving distance in the lifting direction of the elevator car 120 and the counterweight 140 becomes long, the length of the main rope 130 from the hoist 100 to the elevator car 120 changes depending on the position of the elevator car 120. As a result, the difference between the weight of the main rope 130 on the elevator car 120 side and the weight of the counterweight 140 side with respect to the hoisting machine 100 is increased by the weight of the main rope 130 itself. Therefore, in the elevator 1 of this example, the compensating rope 131 is provided in order to reduce the difference between the weight of the main rope 130 on the side of the elevator car 120 and the weight of the counterweight 140.
The compensating rope 131 is connected to the elevator car 120 and the counterweight 140. One end 131a of the compensating rope 131 is connected to the machine beam 121 provided at the lower portion in the vertical direction of the elevator car 120 via a compensating rope supporting mechanism 10 described later. The other end 131b of the compensating rope 131 opposite to the one end 131a is connected to the side surface of the counterweight 140 via the adjustment mechanism 190. The adjusting mechanism 190 has an elastic member such as a coil spring, and adjusts the tension of the compensating rope 131.
The compensating rope 131 is suspended downward from the elevator car 120 and the counterweight 140 toward the hoistway 110. Further, an intermediate portion 131c of the compensating rope 131 hanging downward of the ascending/descending path 110 is wound around the compensating pulley 132. The compensating pulley 132 is rotatably disposed in a pit provided below the vertical direction of the elevator shaft 110.
1-2 compensating rope support mechanism
Next, the structure of the compensating rope support mechanism 10 will be described with reference to fig. 2 and 3.
Fig. 2 is a perspective view showing one end 131a of the compensating rope 131, and fig. 3 is a sectional view showing the compensating rope supporting mechanism 10.
As shown in fig. 2 and 3, the compensating rope support mechanism 10 includes a wedge member 11, a rope sleeve 12, a mounting plate 13, and a rope clamp 14.
The wedge member 11 is formed in a substantially triangular shape, and one end 131a of the compensation rope 131 is wound around. One end 131a of the compensation rope 131 is folded back by being wound around the wedge member 11. One end 131a of the compensating rope 131 is folded back and overlapped, and fastened and connected by the rope clamp 14.
The rope sleeve 12 is formed in a quadrangular prism shape. The rope sleeve 12 is formed with an insertion hole 16 penetrating in the vertical direction. As shown in fig. 3, the insertion hole 16 is formed in a tapered shape having an opening diameter that decreases continuously as it goes downward from above in the vertical direction of the rope sleeve 12. This prevents the one end 131a of the compensation rope 131 inserted into the insertion hole 16 and the wedge member 11 from coming out of the insertion hole 16.
A fitting projection 17 is formed at a lower end portion in the vertical direction of the rope sleeve 12. The fitting projection 17 projects downward in the vertical direction from the lower surface portion 12a of the lower end portion of the rope sleeve 12. The fitting projection 17 is formed in a rectangular shape. The horizontal projection area of the fitting projection 17 is set smaller than the horizontal projection area of the rope sleeve 12.
In addition, a through hole 17a penetrating in the vertical direction is formed in the fitting projection 17. The through hole 17a communicates with the insertion hole 16 of the rope sleeve 12. One end 131a of the compensation rope 131 wound around the wedge member 11 is inserted into the insertion hole 16 of the rope sleeve 12 and the through hole 17a of the fitting projection 17. Thereby, the one end 131a of the compensation rope 131 is held by the rope socket 12 and the wedge member 11.
The rope socket 12 that holds the one end 131a of the compensating rope 131 is attached to the attachment plate 13. As shown in fig. 1, the mounting plate 13 is fixed to a machine beam 121 provided at a lower portion of the elevator car 120.
As shown in fig. 2 and 3, the mounting plate 13 has a plurality of fitting holes 18 formed therein. The number of fitting holes 18 corresponds to the number of compensation ropes 131 provided. The fitting hole 18 is formed by penetrating the attachment plate 13 in the vertical direction. The opening shape of the fitting hole 18 is formed in a substantially rectangular shape corresponding to the shape of the fitting projection 17.
The fitting protrusion 17 as a part of the rope sleeve 12 is inserted into the fitting hole 18 from above in the vertical direction, and the fitting protrusion 17 is fitted into the fitting hole 18. The lower surface portion 12a of the rope sleeve 12 abuts on the upper surface portion 13a of the attachment plate 13 in the vertical direction. Thereby, the one end 131a of the compensating rope 131 can be fixed to the lower portion of the elevator car 120 via the rope socket 12 and the attachment plate 13. Since the compensating rope 131 is stretched downward in the vertical direction by a predetermined tension, the rope socket 12 and the one end 131a of the compensating rope 131 do not come off from the attachment plate 13.
In addition, an opening 19 is formed in the mounting plate 13. The opening 19 is formed by cutting from the side surface of the mounting plate 13 to the edge of the fitting hole 18. One end 131a of the compensating rope 131 is inserted into the opening 19. One end 131a of the compensating rope 131 is inserted into the fitting hole 18 through the opening 19 from the outside of the attachment plate 13.
The width of the opening 19 in the horizontal direction is set to be shorter than the length of the fitting projection 17 in the horizontal direction. This prevents the fitting projection 17 fitted into the fitting hole 18 from coming out of the opening 19.
According to the compensating rope supporting mechanism 10 of this example, no other member is provided above the one end portion 131a of the compensating rope 131 in the vertical direction. This can shorten the vertical length of the compensating rope support mechanism 10, and can save space in the compensating rope support mechanism 10. Furthermore, as in the conventional example, the one end portion 131a of the compensating rope 131 can be fixed to the mounting plate 13 without using a fixing bolt, a rod, or a connecting pin, and therefore the number of components can be reduced.
In the compensating rope support mechanism 10 of this example, the fitting protrusion 17 is fitted into the fitting hole 18, and the fitting protrusion 17 and the fitting hole 18 are formed in a rectangular shape. Thereby, when a load in the tensile direction is applied to the compensating rope 131, the compensating rope 131 can be prevented from rotating.
In the present example, the fitting projection 17 is formed in a substantially rectangular shape, but the present invention is not limited to this. The fitting protrusion 17 is formed in various other shapes such as a hexagonal prism shape and an elliptical cylinder shape. In order to prevent the rotation of the compensating rope 131, the fitting projection 17 is preferably shaped so that the length from the central axis through which the compensating rope 131 passes to the outer periphery is not constant, that is, so that the fitting projection has a shape having portions with different lengths from the central axis to the outer periphery, such as a square or an ellipse.
Alternatively, the fitting projection 17 may be formed in a cylindrical shape, and a convex portion for rotation prevention may be provided on a side surface portion thereof. The opening shape of the fitting hole 18 is appropriately formed to match the shape of the fitting projection 17.
In addition, when the frictional force when the fitting projection 17 is fitted into the fitting hole 18 is larger than the torque generated when the compensating rope 131 rotates, the fitting projection 17 may be formed in a cylindrical shape.
2. Second embodiment example
Next, a compensating rope supporting mechanism according to a second embodiment will be described with reference to fig. 4.
Fig. 4 is a sectional view showing a compensating rope support mechanism of a second embodiment.
The compensating rope support mechanism 30 according to the second embodiment is different from the compensating rope support mechanism 10 according to the first embodiment in that a rope sleeve is fitted to a mounting plate. Therefore, the same reference numerals are given to the portions common to the compensating rope support mechanism 10 of the first embodiment, and redundant description is omitted.
As shown in fig. 4, the compensating rope support mechanism 30 has a wedge member 11, a rope sleeve 32, a mounting plate 33, and a rope clamp 14. The rope sleeve 32 is formed in a substantially quadrangular prism shape. The rope sleeve 32 is formed with an insertion hole 36 having a tapered opening. One end 131a of the compensation rope 131 wound around the wedge member 11 is inserted into the insertion hole 36 of the rope sleeve 32.
The mounting plate 33 is formed with a fitting hole 38, a communication hole 41 communicating with the fitting hole 38, and an opening portion not shown in the drawings. The fitting hole 38 is formed in the upper surface portion 33a of the mounting plate 33, and is formed to have a predetermined length from the upper surface portion 33a downward in the vertical direction. The lower portion of the rope sleeve 32 in the vertical direction is fitted into the fitting hole 38.
The communication hole 41 is formed continuously from the lower end portion in the vertical direction of the fitting hole 38. The opening area of the communication hole 41 is set smaller than the opening area of the fitting hole 38. Therefore, a stepped surface 42 is formed at a portion where the communication hole 41 and the fitting hole 38 are connected. The lower surface portion 32a of the rope sleeve 32 fitted into the fitting hole 38 abuts against the stepped surface 42. Thereby, the one end 131a of the compensating rope 131 can be fixed to the elevator car 120 via the rope socket 32 and the mounting plate 33.
Since the other configurations are the same as those of the compensating rope supporting mechanism 10 of the first embodiment, their descriptions are omitted. The compensating rope support mechanism 30 of the second embodiment also provides the same operational advantages as the compensating rope support mechanism 10 of the first embodiment described above.
In the compensating rope support mechanism 10 according to the first embodiment, the fitting projection 17 having a smaller horizontal projection area than the rope sleeve 12 is formed, so that the opening area of the fitting hole 18 into which the fitting projection 17 is fitted can be reduced. As a result, according to the compensating rope support mechanism 10 of the first embodiment, the mounting plate 13 on which the fitting hole 18 is formed can be made smaller than the compensating rope support mechanism 30 of the second embodiment, and the overall size of the support mechanism can be reduced.
The present invention is not limited to the embodiments described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention described in the claims. In the above-described embodiment, the example in which the hoist 100 is disposed in the machine room 160 provided at the ceiling of the hoistway 110 has been described, but the present invention is not limited thereto. As the elevator, for example, a so-called machine room-less elevator having no machine room in the hoistway can be applied.
In the above embodiment, the one end 131a of the compensating rope 131 on the elevator car 120 side is supported and fixed by the compensating rope supporting mechanisms 10 and 30. The other end 131b of the compensating rope 131 on the counterweight 140 side is supported and fixed by the adjusting mechanism 190.
However, the end portions at which the compensating rope supporting mechanisms 10 and 30 are disposed are not limited to the one end portion 131a on the elevator car 120 side. For example, the one end 131a of the compensating rope 131 may be supported by the adjusting mechanism 190, and the other end 131b of the compensating rope 131 may be supported by the compensating rope supporting mechanisms 10 and 30. Alternatively, when a mechanism for adjusting tension is provided on the compensating pulley 132 or the like, both ends of the compensating rope 131 on the elevator car 120 side and the counterweight 140 side may be supported by the compensating rope supporting mechanisms 10 and 30.
Since the adjustment mechanism 190 requires a spring member or the like for adjusting the tension of the compensation rope 131, the vertical length of the adjustment mechanism 190 is longer than the vertical length of the compensation rope support mechanisms 10 and 30. The other end 131b of the compensating rope 131 is connected to the side surface of the counterweight 140. Therefore, the adjustment mechanism 190 is preferably provided at the other end 131b of the compensation rope 131 having a space in the vertical direction.
On the other hand, one end 131a of the compensating rope 131 is connected to the lower part of the elevator car 120. Then, the elevator car 120 moves to a position below the vicinity of the pit in the hoistway 110 in the vertical direction. When the length of the lower portion of the elevator car 120 is increased, the vertical length of the pit in the elevator shaft 110 needs to be increased.
Therefore, the above-described compensating rope support mechanisms 10 and 30, which can achieve space saving in the vertical direction as compared with the adjustment mechanism 190, are preferably provided at the one end portion 131a on the elevator car 120 side, and thus the length of the pit in the elevator shaft 110 in the vertical direction can be prevented from being increased by the compensating rope support mechanisms 10 and 30.
In the present specification, terms such as "parallel" and "orthogonal" are used, but these terms do not mean "parallel" and "orthogonal" in a strict sense, and may be "substantially parallel" or "substantially orthogonal" within a range in which the functions thereof can be exhibited, including "parallel" and "orthogonal".
Description of reference numerals:
Claims (4)
1. An elevator, wherein the elevator is provided with a cage,
the elevator is provided with:
an elevator car that moves up and down in an elevator shaft provided in a building structure;
a counterweight connected to the elevator car via a main rope;
a compensating rope having one end connected to the elevator car and the other end opposite to the one end connected to the counterweight; and
a compensation rope support mechanism that connects the one end portion of the compensation rope to the elevator car or connects the other end portion to the counterweight,
the compensating rope support mechanism includes:
a wedge member to which the one end portion or the other end portion of the compensation rope is wound;
a rope sleeve formed with an insertion hole into which the one end portion or the other end portion of the compensation rope wound around the wedge member is inserted; and
a mounting plate provided in the elevator car or the counterweight, the mounting plate having a fitting hole into which a part of a lower portion of the rope sleeve in the vertical direction is inserted from above in the vertical direction and into which a part of the rope sleeve is fitted,
the compensating rope support mechanism is provided at the one end portion connected to the elevator car among both end portions of the compensating rope,
a fitting protrusion formed in a rectangular shape to be fitted into the fitting hole is provided at an end of the rope sleeve,
the fitting projection is formed so that a horizontal projection area thereof is smaller than a horizontal projection area of the rope sleeve,
the insertion hole is formed in a tapered shape having an opening diameter that decreases continuously from an upper portion toward a lower portion in the vertical direction,
an opening portion that is opened from a side surface portion of the attachment plate to an edge portion of the fitting hole and through which the compensating rope is inserted is formed in the attachment plate,
the width of the opening in the horizontal direction of the opening is set shorter than the length of the fitting projection in the horizontal direction.
2. The elevator according to claim 1,
a part of the rope sleeve fitted into the fitting hole is formed in a shape having portions having different lengths from a central axis through which the compensating rope passes to an outer periphery.
3. The elevator according to claim 1,
the fitting projection is formed with a through hole communicating with the insertion hole.
4. A compensating rope support mechanism that connects one end or the other end of a compensating rope provided to an elevator with an elevator car or a counterweight,
the compensating rope support mechanism includes:
a wedge member, one end or the other end of a compensating rope arranged on the elevator is winded;
a rope sleeve formed with an insertion hole into which the one end portion or the other end portion of the compensation rope wound around the wedge member is inserted; and
a mounting plate in which a fitting hole is formed, the fitting hole allowing a part of a lower portion of the rope socket in the vertical direction to be inserted from above in the vertical direction and allowing a part of the rope socket to be fitted,
the compensating rope supporting means is disposed at the one of the two ends of the compensating rope connected to the elevator car,
a fitting projection formed in a rectangular shape to be fitted into the fitting hole is provided at an end portion of the rope sleeve,
the fitting projection is formed so that a horizontal projection area thereof is smaller than a horizontal projection area of the rope sleeve,
the insertion hole is formed in a tapered shape having an opening diameter that decreases continuously from an upper portion toward a lower portion in the vertical direction,
an opening portion that is opened from a side surface portion of the attachment plate to an edge portion of the fitting hole and through which the compensating rope is inserted is formed in the attachment plate,
the width of the opening in the horizontal direction of the opening is set shorter than the length of the fitting projection in the horizontal direction.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/039412 WO2020084701A1 (en) | 2018-10-24 | 2018-10-24 | Elevator, and compensating rope support mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112867689A CN112867689A (en) | 2021-05-28 |
| CN112867689B true CN112867689B (en) | 2022-09-13 |
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ID=70331824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880098857.8A Active CN112867689B (en) | 2018-10-24 | 2018-10-24 | Elevator and compensating rope support mechanism |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7105906B2 (en) |
| CN (1) | CN112867689B (en) |
| WO (1) | WO2020084701A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55149445A (en) * | 1979-05-11 | 1980-11-20 | Hitachi Ltd | Balancing rope for elevator |
| JPS6026498U (en) * | 1984-06-20 | 1985-02-22 | 株式会社日立製作所 | Elevator balance compensation cable attachment device |
| CN102105380A (en) * | 2008-08-13 | 2011-06-22 | 通力股份公司 | Method and arrangement for fixing the compensating ropes of an elevator |
| JP2012096907A (en) * | 2010-11-04 | 2012-05-24 | Mitsubishi Electric Building Techno Service Co Ltd | Insertion device for wedge type rope fastener |
| CN103183268A (en) * | 2011-12-28 | 2013-07-03 | 株式会社日立建筑系统 | Rope tension adjusting device and rope tension adjusting system |
| MX2014014467A (en) * | 2013-11-29 | 2015-05-28 | Kone Corp | A rope terminal assembly and an elevator. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5353893A (en) * | 1993-07-12 | 1994-10-11 | Otis Elevator Company | Elevator cab and/or counterweight compensation rope hitch assembly |
| JPH0958944A (en) * | 1995-08-22 | 1997-03-04 | Hitachi Building Syst Co Ltd | Main rope adjusting device of elevator |
-
2018
- 2018-10-24 CN CN201880098857.8A patent/CN112867689B/en active Active
- 2018-10-24 WO PCT/JP2018/039412 patent/WO2020084701A1/en active Application Filing
- 2018-10-24 JP JP2020551757A patent/JP7105906B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55149445A (en) * | 1979-05-11 | 1980-11-20 | Hitachi Ltd | Balancing rope for elevator |
| JPS6026498U (en) * | 1984-06-20 | 1985-02-22 | 株式会社日立製作所 | Elevator balance compensation cable attachment device |
| CN102105380A (en) * | 2008-08-13 | 2011-06-22 | 通力股份公司 | Method and arrangement for fixing the compensating ropes of an elevator |
| JP2012096907A (en) * | 2010-11-04 | 2012-05-24 | Mitsubishi Electric Building Techno Service Co Ltd | Insertion device for wedge type rope fastener |
| CN103183268A (en) * | 2011-12-28 | 2013-07-03 | 株式会社日立建筑系统 | Rope tension adjusting device and rope tension adjusting system |
| MX2014014467A (en) * | 2013-11-29 | 2015-05-28 | Kone Corp | A rope terminal assembly and an elevator. |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7105906B2 (en) | 2022-07-25 |
| JPWO2020084701A1 (en) | 2021-09-02 |
| CN112867689A (en) | 2021-05-28 |
| WO2020084701A1 (en) | 2020-04-30 |
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