CN113879938A - Elevator hoisting rope cutting device and method - Google Patents
Elevator hoisting rope cutting device and method Download PDFInfo
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- CN113879938A CN113879938A CN202111260158.9A CN202111260158A CN113879938A CN 113879938 A CN113879938 A CN 113879938A CN 202111260158 A CN202111260158 A CN 202111260158A CN 113879938 A CN113879938 A CN 113879938A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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Abstract
The invention belongs to the technical field of elevator installation and maintenance, and provides an elevator hoisting rope cutting device and a method thereof, wherein the elevator hoisting rope cutting device mainly comprises an upper clamping plate assembly, a lower clamping plate assembly and an adjusting assembly; the upper clamping plate assembly comprises an upper clamping plate, a first auxiliary clamping plate and a first fixing assembly, and a first clamping space for installing a hoisting rope is formed between the upper clamping plate and the first auxiliary clamping plate; the lower clamping plate assembly comprises a lower clamping plate, a second auxiliary clamping plate and a second fixing assembly, and a second clamping space for installing the hoisting rope is formed between the lower clamping plate and the second auxiliary clamping plate; the adjusting assembly comprises an adjusting rod and an adjusting piece connected with the adjusting rod, the adjusting rod penetrates through the lower clamping plate and the upper clamping plate and then is connected with the adjusting piece, and the adjusting piece is arranged on the adjusting rod in an adjustable connecting position. The invention can make the cutting operation of the hauling rope simpler, more convenient and more reliable, and greatly improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of elevator installation and maintenance, and particularly relates to an elevator hoisting rope cutting device and method.
Background
After the elevator runs for a period of time, the partial elongation of the hoisting rope can occur due to the stretching of the hoisting rope, and when the hoisting rope is elongated, the stress of the hoisting rope can also occur in uneven condition due to different elongation degrees of all parts, so that the normal running of the elevator is influenced; therefore, cutting is required after the elongation of the hoist rope reaches a certain degree.
At present, in the elevator industry, in terms of cutting of a hoisting rope, the commonly adopted method is as follows: and the bottom of the counterweight is propped against the bottom of the pit by a batten or a steel beam, and the car is hoisted by a chain block at the top of the machine room or the well, so that the whole dragging rope is loosened, and then the elevator is cut. However, the method has the disadvantages of more tools, large volume, heavy weight, inconvenience in carrying, large movement and great static of construction operation and obvious influence on residents; after the hoisting ropes are loosened integrally, the hoisting ropes are easy to separate from the corresponding rope grooves, after cutting, careful examination is needed to confirm that each hoisting rope returns to the corresponding rope groove of each rope wheel, otherwise, the operation of dislocation causes elevator damage or accidents; this way of slackening the entire hoisting ropes as a whole is also disadvantageous in flexibility and pertinence for the case where only a single or partial hoisting rope has to be cut.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide an elevator hoist rope cutting apparatus and a method thereof, so that the cutting operation of the hoist rope can be more simple and reliable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an elevator hoisting rope cutting device comprises an upper clamping plate assembly, a lower clamping plate assembly and an adjusting assembly;
the upper clamping plate assembly comprises an upper clamping plate, a first auxiliary clamping plate and a first fixing assembly which can be used for clamping and fixing the upper clamping plate and the first auxiliary clamping plate, and a first clamping space for installing a hoisting rope is formed between the upper clamping plate and the first auxiliary clamping plate;
the lower clamping plate assembly comprises a lower clamping plate, a second auxiliary clamping plate and a second fixing assembly which can be used for clamping and fixing the lower clamping plate and the second auxiliary clamping plate, and a second clamping space for installing the hoisting rope is formed between the lower clamping plate and the second auxiliary clamping plate;
the adjusting assembly comprises an adjusting rod and an adjusting piece connected with the adjusting rod, the adjusting rod penetrates through the lower clamping plate and the upper clamping plate and then is connected with the adjusting piece, and the adjusting piece is arranged on the adjusting rod in an adjustable connecting position.
Preferably, the side surfaces of the upper clamping plate and the first auxiliary clamping plate, which are positioned in the first clamping space, are provided with first anti-skid lining plates.
Preferably, the side surfaces of the lower clamping plate and the second auxiliary clamping plate, which are positioned in the second clamping space, are provided with second anti-skidding lining plates.
Preferably, the first anti-skid lining plate and the second anti-skid lining plate are respectively provided with a positioning groove corresponding to the hoisting rope.
Preferably, the upper clamping plate assembly and the lower clamping plate assembly are arranged on the adjusting rod from top to bottom, and the first clamping space and the second clamping space are overlapped in the vertical direction.
Preferably, a plurality of through holes are arranged on the upper clamping plate and the lower clamping plate along the horizontal direction, and the adjusting rod is arranged on the through holes in a penetrating manner;
a plurality of first auxiliary clamping plates are arranged on the upper clamping plate corresponding to the through holes so as to form a plurality of first clamping spaces; the lower clamping plate is provided with a plurality of second auxiliary clamping plates so as to form a plurality of second clamping spaces.
Preferably, the adjusting rod is an adjusting screw rod, and the adjusting piece is an adjusting nut matched with the adjusting screw rod.
Preferably, the first fixing assemblies are symmetrically arranged on two sides of the first clamping space, and the second fixing assemblies are symmetrically arranged on two sides of the second clamping space in the vertical direction.
The method for cutting the elevator hoisting rope is suitable for the elevator hoisting rope cutting device, and comprises the following steps:
s10, installing and fixing a hoisting rope on the upper clamping plate assembly, then cutting the hoisting rope according to needs, installing the lower clamping plate assembly on the hoisting rope to be cut, and installing the adjusting assembly between the upper clamping plate assembly and the lower clamping plate assembly;
s20, clamping the hoisting rope to be cut by the upper clamping plate assembly is loosened, and the state of the adjusting assembly is adjusted to change the relative distance between the upper clamping plate assembly and the lower clamping plate assembly so as to reserve the length to be cut;
s30, cutting the hoisting rope and installing the upper clamping plate assembly again; or cutting the hauling rope after the upper clamping plate assembly is installed again;
s40, clamping the hauling rope by the lower clamping plate assembly is loosened, and the hauling rope returns to a normal use state.
Further, when there are a plurality of said hoisting ropes to be cut, there are also the following steps:
s50, disassembling the lower clamping plate assembly and the adjusting assembly, installing the lower clamping plate assembly and the adjusting assembly corresponding to a hoisting rope to be cut next, and repeating the steps S20-S40.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the device and the method, the number, the volume and the weight of tools needed when the hauling rope is cut in the traditional technology are greatly reduced, the integral carrying is convenient, the movement of construction operation is small, and the influence on residents is small. In addition, in the using process, the dragging rope is not completely and integrally loosened, but is loosened and tightened in a targeted manner through the matching between the upper clamping plate assembly and the lower clamping plate assembly, so that the condition that the dragging rope is separated from the corresponding rope groove is avoided, the matching check of each dragging rope and each rope groove after cutting is avoided, the cutting operation efficiency is improved on the aspect of the method, the elevator damage or accident caused by the dislocation of the dragging rope and the rope groove is avoided, and the use is safer and more reliable. For the condition that only a single rope or part of the hauling rope needs to be cut, the scheme can flexibly deal with the specific condition, has good flexibility and is convenient to popularize and apply.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic view of an embodiment of the present invention.
Fig. 3 is a schematic front view of another embodiment of the present invention.
Fig. 4 is a schematic view of another embodiment of the present invention.
FIG. 5 is a schematic side view of the present invention.
Wherein:
1-an upper splint component, 11-an upper splint, 12-a first auxiliary splint, 13-a first fixing component, 14-a through hole, 15-a first anti-skid lining board;
2-a lower splint component, 21-a lower splint, 22-a second auxiliary splint, 23-a second fixing component and 24-a second anti-skid lining plate;
3-adjusting component, 31-adjusting screw rod, 32-adjusting nut;
4-a hoisting rope.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 5, the present embodiment provides an elevator hoisting rope cutting device, which mainly comprises an upper clamping plate assembly 1, a lower clamping plate assembly 2 and an adjusting assembly 3; go up splint subassembly 1 with lower splint subassembly 2 is one-on-one formula setting, adjusting part 3 connects the setting promptly go up splint subassembly 1 with between the lower splint subassembly 2, through adjusting part 3's state, in order to change go up splint subassembly 1 with relative distance between the lower splint subassembly 2.
Specifically, the upper clamp plate assembly 1 comprises an upper clamp plate 11, a first auxiliary clamp plate 12 and a first fixing assembly 13 which can be used for clamping and fixing the upper clamp plate 11 and the first auxiliary clamp plate 12, and a first clamping space for installing the hoisting rope 4 is formed between the upper clamp plate 11 and the first auxiliary clamp plate 12. The lower clamping plate assembly 2 comprises a lower clamping plate 21, a second auxiliary clamping plate 22 and a second fixing assembly 23 which can be used for clamping and fixing the lower clamping plate 21 and the second auxiliary clamping plate 22, and a second clamping space for installing the hoisting rope 4 is formed between the lower clamping plate 21 and the second auxiliary clamping plate 22.
In a preferred embodiment, the upper clamping plate 11 and the lower clamping plate 21 are both L-shaped in side view, and include a horizontal plate section for mounting with the adjusting assembly 3, and a vertical plate section for forming the first clamping space and the second clamping space with the first clamping plate 12 and the second clamping plate 22. In a specific application, the side view of the upper and lower clamping plates 11, 21 may be a "T" shape, and is not limited herein.
In addition, as the hoisting ropes 4 can be used in multiple groups in actual use, as shown in fig. 1 and 3; therefore, in this embodiment, the upper plate 11 is configured to be elongated and correspondingly provided with a plurality of first clamping spaces, so as to clamp and fix the hoisting ropes 4 in a one-to-one correspondence manner. The lower clamping plate component 2 can be arranged to clamp only one hoisting rope 4, so that the flexibility of the whole device in use is improved, and the cost investment is reduced.
The adjusting assembly 3 comprises an adjusting rod and an adjusting piece connected with the adjusting rod, the adjusting rod penetrates through the lower clamping plate 21 and the upper clamping plate 11 and then is connected with the adjusting piece, and the connecting position of the adjusting piece on the adjusting rod is adjustable; so that the relative distance between the upper splint assembly 1 and the lower splint assembly 2 can be changed by changing the connection position between the adjusting member and the adjusting rod.
As a preferable scheme, in this embodiment, the adjusting rod is an adjusting screw 31, and the adjusting member is an adjusting nut 32 adapted to the adjusting screw 31, so that the self-locking function during the threaded connection is also provided on the premise that the relative position between the upper clamp assembly 1 and the lower clamp assembly 2 is adjustable.
Furthermore, a plurality of through holes 14 are arranged on the upper clamp plate 11 along the horizontal direction corresponding to the adjusting screw 31, and the through holes are also arranged on the lower clamp plate 21, and are arranged on the horizontal plate sections of the upper clamp plate 11 and the lower clamp plate 21. As a preferable scheme, the adjusting screw 31 in this embodiment penetrates from bottom to top through the through hole of the lower clamping plate 21, penetrates from the through hole 14 of the upper clamping plate 11, and is then in threaded connection with the adjusting nut 32, so that when the adjusting assembly 3 is adjusted, the adjusting nut 32 can be conveniently screwed above the whole device, and the operation is simpler.
In addition, a plurality of first auxiliary clamping plates 12 are arranged on the upper clamping plate 11 corresponding to the arrangement positions of the through holes 14 on the upper clamping plate 11, so that a plurality of first clamping spaces are formed on the vertical plate section of the upper clamping plate 11, and clamping and fixing of a plurality of groups of the hoisting ropes 4 are realized. A plurality of second auxiliary clamping plates 22 are arranged on the lower clamping plate 21 to form a plurality of second clamping spaces; in the embodiment, in consideration of convenience and flexibility in use, the lower clamping plate assembly 2 is arranged below one of the first clamping spaces, and only one through hole is arranged on the lower clamping plate 21 for the adjusting screw 31 to pass through; and forms one second clamping space with one second pair of clamping plates 22 so as to realize the corresponding clamping and cutting operation of the single hoisting rope 4.
As a preferable scheme, the upper clamping plate assembly 1 and the lower clamping plate assembly 2 are arranged on the adjusting rod from top to bottom, and the first clamping space and the second clamping space are arranged in an overlapping manner in the vertical direction, so that different parts of the hoisting rope 4 to be cut can be clamped and fixed at the same time.
Further, the upper clamp plate 11 and the first auxiliary clamp plate 12 are provided with first anti-skid liner plates 15 on the side surfaces located in the first clamping space, the first anti-skid liner plates 15 are provided with positioning grooves corresponding to the hoisting ropes 4, and when in a clamping state, gaps exist between the opposite first anti-skid liner plates 15. The lower clamping plate 21 and the second auxiliary clamping plate 22 are provided with second anti-skid lining plates 24 on the side surfaces in the second clamping space, and the second anti-skid lining plates 24 are also provided with positioning grooves corresponding to the hoisting ropes 4. The shape of the positioning groove is matched with the shape of the cross section of the hoisting rope 4 to be clamped, and the hoisting rope 4 comprises a round-strip hoisting rope and a flat-strip hoisting rope. And the positioning grooves on the upper splint assembly 1 and the positioning grooves on the lower splint assembly 2 should be arranged to be completely overlapped.
Furthermore, in this embodiment, the first fixing component 13 and the second fixing component 14 both include a locking bolt and a locking nut, and the locking bolt is inserted into the upper clamping plate 11, the first anti-skid liner plate 15 and the first auxiliary clamping plate 12, and then is fastened and connected with the locking nut to form the first clamping space; through the locking bolt wear to establish lower plate 21, second anti-skidding welt 24 with behind the vice splint 22 of second, with lock nut fastening connection, in order to form second centre gripping space.
In addition, as a preferable scheme, in this embodiment, in the vertical direction, the first fixing assemblies 13 are symmetrically disposed on two sides of the first clamping space, and the second fixing assemblies 14 are also symmetrically disposed on two sides of the second clamping space, so that clamping forces on the hoisting ropes 4 located in the first clamping space and the second clamping space are balanced, and a reliable clamping state is ensured.
In order to further understand the scheme, the present embodiment further provides a method for cutting an elevator hoisting rope, which is suitable for the above-mentioned device for cutting an elevator hoisting rope, and specifically includes the following steps:
s10, when the hoisting device is used, the hoisting rope 4 is fixedly installed in the first clamping space on the upper clamp plate assembly 1 through the upper clamp plate 11, the first auxiliary clamp plate 12 and the first anti-skid lining plate 15; then, the hoisting rope 4 to be cut is arranged on the position, below the upper clamping plate component 1, of the hoisting rope 4 to be cut through the lower clamping plate 21, the second auxiliary clamping plate 22 and the second anti-skid lining plate 24, so that the upper part and the lower part of the hoisting rope 4 to be cut are respectively clamped and fixed on the upper clamping plate component 1 and the lower clamping plate component 2; then the adjusting component 3 is installed between the upper clamping plate component 1 and the lower clamping plate component 2, and the hoisting ropes 4 to be cut are clamped and fixed in an upper and a lower double-point mode.
S20, clamping the hoisting rope 4 to be cut by the upper clamping plate assembly 1 is loosened, the clamping state of the hoisting rope 4 to be cut by the lower clamping plate assembly 2 is kept at the moment, and the hoisting rope 4 is clamped and fixed at the lower part in a single-point mode; at this time, the state of the adjusting component 3 is adjusted to change the relative distance between the upper clamping plate component 1 and the lower clamping plate component 2, so that the hauling rope 4 to be cut can be pulled, and when the hauling rope is pulled to a set tensioning degree, the hauling rope part with the length required to be cut can be obtained.
S30, after the hauling rope 4 is cut, the upper clamping plate assembly 1 is installed again to clamp and fix the hauling rope 4 in a double-point mode; or the upper clamping plate component 1 can be firstly installed again, and then the cutting operation of the hoisting rope 4 can be carried out.
S40, at the moment, the clamping of the lower clamping plate assembly 2 on the hoisting rope 4 can be released, and the hoisting rope 4 returns to a normal use state.
Further, when there are a plurality of said hoisting ropes 4 to be cut, there are also the following steps:
s50, after the previous dragging rope 4 is cut, the lower clamping plate assembly 2 is loosened to clamp the dragging rope 4, and the second clamping space is disassembled; then, the connection state between the adjusting nut 32 and the adjusting screw 31 is loosened, so that the adjusting assembly 3 can be installed and used at different positions of the through hole 14, and the adjusting assembly 3 and the lower clamp plate assembly 2 are installed corresponding to the position of the hoisting rope 4 to be cut, at this time, the steps S20-S40 are repeated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The elevator hoisting rope cutting device is characterized by comprising an upper clamping plate assembly, a lower clamping plate assembly and an adjusting assembly;
the upper clamping plate assembly comprises an upper clamping plate, a first auxiliary clamping plate and a first fixing assembly which can be used for clamping and fixing the upper clamping plate and the first auxiliary clamping plate, and a first clamping space for installing a hoisting rope is formed between the upper clamping plate and the first auxiliary clamping plate;
the lower clamping plate assembly comprises a lower clamping plate, a second auxiliary clamping plate and a second fixing assembly which can be used for clamping and fixing the lower clamping plate and the second auxiliary clamping plate, and a second clamping space for installing the hoisting rope is formed between the lower clamping plate and the second auxiliary clamping plate;
the adjusting assembly comprises an adjusting rod and an adjusting piece connected with the adjusting rod, the adjusting rod penetrates through the lower clamping plate and the upper clamping plate and then is connected with the adjusting piece, and the adjusting piece is arranged on the adjusting rod in an adjustable connecting position.
2. The elevator hoisting rope cutting device according to claim 1, wherein a first anti-slip liner is disposed on the side surfaces of the upper clamping plate and the first auxiliary clamping plate in the first clamping space.
3. The elevator hoisting rope cutting device according to claim 2, wherein a second anti-slip liner is provided on the side surfaces of the lower clamp plate and the second auxiliary clamp plate located in the second clamping space.
4. The elevator towline cutting device according to claim 3, wherein the first and second non-slip liner plates are provided with positioning grooves corresponding to the towline.
5. The elevator traction rope cutting device according to any one of claims 1 to 4, wherein the upper and lower clamp assemblies are disposed on the adjustment rod from top to bottom, and the first clamping space and the second clamping space overlap in a vertical direction.
6. The cutting device for the elevator hauling rope as claimed in claim 5, wherein a plurality of through holes are arranged on the upper clamping plate and the lower clamping plate along the horizontal direction, and the adjusting rod is arranged on the through holes in a penetrating manner;
a plurality of first auxiliary clamping plates are arranged on the upper clamping plate corresponding to the through holes so as to form a plurality of first clamping spaces; the lower clamping plate is provided with a plurality of second auxiliary clamping plates so as to form a plurality of second clamping spaces.
7. The elevator traction rope cutting device according to claim 1 or 6, wherein the adjusting rod is an adjusting screw rod, and the adjusting member is an adjusting nut adapted to the adjusting screw rod.
8. The elevator hoist rope cutting apparatus according to claim 7, wherein the first fixing members are symmetrically disposed at both sides of the first clamping space and the second fixing members are symmetrically disposed at both sides of the second clamping space in a vertical direction.
9. An elevator hoisting rope cutting method applied to the elevator hoisting rope cutting device of any one of claims 1 to 8, characterized by comprising the following steps:
s10, installing and fixing a hoisting rope on the upper clamping plate assembly, then cutting the hoisting rope according to needs, installing the lower clamping plate assembly on the hoisting rope to be cut, and installing the adjusting assembly between the upper clamping plate assembly and the lower clamping plate assembly;
s20, clamping the hoisting rope to be cut by the upper clamping plate assembly is loosened, and the state of the adjusting assembly is adjusted to change the relative distance between the upper clamping plate assembly and the lower clamping plate assembly so as to reserve the length to be cut;
s30, cutting the hoisting rope and installing the upper clamping plate assembly again; or cutting the hauling rope after the upper clamping plate assembly is installed again;
s40, clamping the hauling rope by the lower clamping plate assembly is loosened, and the hauling rope returns to a normal use state.
10. The method for cutting an elevator hoist rope according to claim 9, wherein when there are a plurality of the hoist ropes to be cut, there are further steps of:
s50, disassembling the lower clamping plate assembly and the adjusting assembly, installing the lower clamping plate assembly and the adjusting assembly corresponding to a hoisting rope to be cut next, and repeating the steps S20-S40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111260158.9A CN113879938B (en) | 2021-10-28 | 2021-10-28 | Elevator traction rope cutting device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111260158.9A CN113879938B (en) | 2021-10-28 | 2021-10-28 | Elevator traction rope cutting device and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113879938A true CN113879938A (en) | 2022-01-04 |
| CN113879938B CN113879938B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111260158.9A Active CN113879938B (en) | 2021-10-28 | 2021-10-28 | Elevator traction rope cutting device and method thereof |
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| CN (1) | CN113879938B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207581115U (en) * | 2017-09-08 | 2018-07-06 | 菱王电梯股份有限公司 | A kind of elevator dragging wire rope length adjustment auxiliary device |
| CN108792892A (en) * | 2017-04-26 | 2018-11-13 | 株式会社日立制作所 | The maintaining method of double-deck elevator and double-deck elevator |
| CN211945813U (en) * | 2020-03-11 | 2020-11-17 | 贵州葳特电梯工程有限公司 | Elevator steel wire rope clamping device |
-
2021
- 2021-10-28 CN CN202111260158.9A patent/CN113879938B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792892A (en) * | 2017-04-26 | 2018-11-13 | 株式会社日立制作所 | The maintaining method of double-deck elevator and double-deck elevator |
| CN207581115U (en) * | 2017-09-08 | 2018-07-06 | 菱王电梯股份有限公司 | A kind of elevator dragging wire rope length adjustment auxiliary device |
| CN211945813U (en) * | 2020-03-11 | 2020-11-17 | 贵州葳特电梯工程有限公司 | Elevator steel wire rope clamping device |
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| CN113879938B (en) | 2023-11-21 |
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