CN209427919U - Elevator towline - Google Patents
Elevator towline Download PDFInfo
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- CN209427919U CN209427919U CN201821662516.2U CN201821662516U CN209427919U CN 209427919 U CN209427919 U CN 209427919U CN 201821662516 U CN201821662516 U CN 201821662516U CN 209427919 U CN209427919 U CN 209427919U
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Ropes Or Cables (AREA)
Abstract
The utility model discloses an elevator towline, including first parcel layer, all wrap in central rope strand and many peripheral rope strands in the first parcel layer, many peripheral rope strands are twisted on the central rope strand, it has the adhesive to fill between first parcel layer and the peripheral rope strand; the center strand comprises a second coating layer and a first core body; the peripheral rope strand comprises a third wrapping layer and a second rope core main body, and lubricating oil is filled between the third wrapping layer and the second rope core main body; wherein the second wrapping layer and the third wrapping layer are both made of silicone oil substances. The utility model discloses an elevator towline can prevent that the towline from taking place the rotation under the condition of atress, reduces the tensile length of towline, prolongs the life of towline, guarantees the operation safety of elevator.
Description
Technical field
The utility model relates to elevator technology field more particularly to a kind of elevator ropes.
Background technique
Current existing hoist ropes includes wire rope core and the outer rope strand of Duo Gen, and multiple outer rope strands are centered around the outer of wire rope core in the shape of a spiral
The periphery in week, hoist ropes is covered with inclusion enclave, in elevator operation, when hoist ropes acts on tensioned or bending force, and traction
Restrict integrally can be such that hoist ropes generates on rope groove around center axis rotation, rotation minutely slides, due to hoist ropes periphery
It is covered with resin layer, keeps the coefficient of friction of hoist ropes and rope groove high, rope groove will limit the peripheral surface rotation of hoist ropes, therefore drag
The torque force generated inside messenger can play shearing force to the inclusion enclave of peripheral surface, and long-time service can damage inclusion enclave,
Inclusion enclave is cracked, and the steel wire inside hoist ropes is caused to expose and contact with rope groove, steel wire is rubbed, it is disconnected to generate cable wire
The service life of hoist ropes is shortened in the danger split, and there are security risks.
It is elongated in addition, existing hoist ropes after using repeatedly, is easy to extend, needs periodically to shear hoist ropes,
To guarantee the normal use of elevator.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of elevator ropes, can prevent hoist ropes from existing
Rotation occurs in the case where stress, reduces the tensile elongation of hoist ropes, extends the service life of hoist ropes, guarantees the operation of elevator
Safety.
In order to solve the above-mentioned technical problem, the utility model provides a kind of elevator rope, including the first wrapping layer,
The center rope strand and the periphery Duo Gen rope strand being coated in first wrapping layer, the more peripheral rope strands are stranded in the center
On rope strand, adhesive is filled between the first wrapping layer and peripheral rope strand；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is 0.1- by diameter
0.5mm, the carbon fiber wire that intensity level is 2500-3000MPa form, and fill between second wrapping layer and the first wire rope core main body
There is lubricating oil；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is 0.3- by diameter
0.8mm, the steel wire twisting that intensity level is 1900-2300MPa form, and the carbon fiber wire is in nature plumbness, the third
Lubricating oil is filled between wrapping layer and the second wire rope core main body.
As an improvement of the above scheme, second wrapping layer and third wrapping layer are made of silicone materials, silicone oil object
The viscosity of matter is 1200~3000cst/25 DEG C.
As an improvement of the above scheme, the silicone materials are polyether-modified water-soluble silicon oil.
As an improvement of the above scheme, the silicone materials are alkyl, polyether silicone oil, epoxy group polyether silicone oil, amino-polyether
One kind of block silicone oil, glycerol ether silicone oil, glycosyl polyethers silicone oil, the viscosity of the silicone materials are 1200~2500cst/25
℃。
As an improvement of the above scheme, the surface of the third wrapping layer is equipped with continuously arranged sucker.
As an improvement of the above scheme, the material of first wrapping layer is resin.
As an improvement of the above scheme, the material of first wrapping layer is thermoplastic polyurethane resin.
As an improvement of the above scheme, 4-8 root periphery rope strand is stranded in 1 center rope strand by the way of concentric stranding
On.
Implement the utility model, has the following beneficial effects:
1, the hoist ropes of the utility model is by the mutual cooperation of center rope strand and peripheral rope strand, toughness and ductility it
Between obtain a good balance, extend its service life, meet the use of elevator.
2,4-8 root periphery rope strand is stranded on 1 center rope strand by the way of concentric stranding, wherein there is layer 2-4
Peripheral rope strand is stranded on the rope strand of center, and the direction of lay of each layer line is on the contrary, when hoist ropes stress, each layer of outer rope
The rotating torque that stock generates can cancel out each other, and the effect due to rotation power is avoided to make the first wrapping layer of hoist ropes peripheral surface
It shears, and causes the too fast fracture by fatigue of the first wrapping layer and destroy the service performance of hoist ropes, extend the use of hoist ropes
Service life guarantees the operational safety of elevator.
3, the utility model is improved the tensile strength of peripheral rope strand, is being protected by more mutually twisted high-tensile steel wires
Under conditions of demonstrate,proving hoist ropes rupture pull force, reduce the diameter of peripheral rope strand, and reduces the integral diameter of hoist ropes, and then make and drag
The traction machine miniaturization that messenger matching uses, reduces traction machine cost, saves ele-vator shaft spaces.
4, the utility model uses viscosity to make the second wrapping layer and for 1000~3000cst/25 DEG C of silicone materials
Three wrapping layers, make the second wrapping layer be sticked together with third wrapping layer, third wrapping layer and adhesive are sticked together, and will make
It is sequentially delivered to peripheral rope strand and the first wrapping layer with pulling force, pressure and the shearing on the rope strand of center, to reduce axial cord
The tensile elongation of stock and peripheral rope strand.
5, the lubricating oil of the utility model can reduce the friction in the second wire rope core main body between wirerope, improve the second rope
The wearability and high flexibility of core main body, extend the service life of hoist ropes.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the utility model hoist ropes.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Referring to Fig. 1, the utility model provides a kind of elevator rope, including the first wrapping layer 10, be coated on it is described
Center rope strand 20 and the periphery Duo Gen rope strand 30 in first wrapping layer 10, the more peripheral rope strands 30 are stranded in the axial cord
On stock 20, adhesive is filled between the first wrapping layer 10 and peripheral rope strand 30.
4-8 root periphery rope strand 30 is stranded on 1 center rope strand 20 by the way of concentric stranding, it is preferred that have
Layer 2-4 periphery rope strand is stranded on the rope strand of center, wherein the direction of lay of each layer line is each on the contrary, when hoist ropes stress
The rotating torque that the peripheral rope strand of layer generates can cancel out each other, and the effect due to rotation power is avoided to make hoist ropes peripheral surface
First wrapping layer 10 is sheared, and is caused the too fast fracture by fatigue of the first wrapping layer 10 and destroyed the service performance of hoist ropes, is prolonged
The service life of long hoist ropes guarantees the operational safety of elevator.
Further, the adhesive being filled between the first wrapping layer 10 and peripheral rope strand 30, not only can be enhanced periphery
Binding force between rope strand 30 and center rope strand 20 improves the integral strength of hoist ropes, can also play the role of buffering, avoid
Since the effect of rotation power shears the first wrapping layer 10 of hoist ropes peripheral surface, and cause the first wrapping layer 10 too fast
Fracture by fatigue and the service performance for destroying hoist ropes, extend the service life of hoist ropes, guarantee the operational safety of elevator.
Specifically, the adhesive of the utility model is by polyurethane, organosilicon, polyimides, bismaleimide, allyl
Resin, furane resins, amino resins, alkyd resin etc., polyethylene, polypropylene, polyvinyl chloride, polystyrene, acrylic resin,
Nylon, polycarbonate, polyformaldehyde, thermoplastic polyester, polyphenylene oxide, fluororesin, polyphenylene sulfide, polysulfones, polyketone class, polybenzoate, liquid
One or more of crystalline polymer is made.
The center rope strand 20 of the utility model includes the second wrapping layer 21 and the first wire rope core main body 22, the first wire rope core master
Body 22 by diameter is 0.1-0.5mm, the carbon fiber wire that intensity level is 2500-3000MPa forms, second wrapping layer 21 and
Lubricating oil is filled between one wire rope core main body 22.
Specifically, second wrapping layer 21 of the utility model is made of silicone materials, the viscosity of silicone materials is 1200~
3000cst/25℃.The utility model uses viscosity to make the second wrapping layer for 1000~3000cst/25 DEG C of silicone materials,
So that the second wrapping layer is connected together with peripheral rope strand, will act at pulling force, pressure and Shear transfer on the rope strand of center to peripheral
On rope strand, to reduce the tensile elongation of center rope strand.
Further, the utility model by more carbon fibre tows at one, without being bent and weaving, carbon fibre tow
In nature plumbness, external silicone materials carry out closely wrapping up in shield sizing, the second wrapping layer as carbon fiber wire and steel wire every
Carbon fiber wire is vertically wrapped up in shield wherein by absciss layer, to prevent generating carbonization effect after blocking fiber filament and steel wire contact.In addition, this
The lubricating oil of utility model can reduce the friction in the first wire rope core main body between carbon fiber wire, and carbon fiber wire is made to keep vertical configuration
State.Further, since the utility model uses viscosity to wrap up for 1000~3000cst/25 DEG C of silicone materials production second
Layer, lubricating oil can also reduce the frictional force between the first wire rope core main body and the second wrapping layer, extend the service life of hoist ropes.
First wire rope core of the utility model can bear sizable pulling force, what the carbon fibre tow of same cross-sectional area was carried
Intensity is 7-9 times of common steel core.Since carbon fiber wire itself does not weave, distortion will not be generated, carbon fiber wire is damaged, sufficiently sends out
The advantages of having waved carbon fiber wire.In addition, carbon fibre tow weight only has a quarter of the steel wire of same cross-sectional area, it is possible to reduce
25% is measured with rope.Further, in the case where same pulling force, the tensile elongation of the carbon fiber wire of same cross-sectional area compares steel wire
Restrict small 70-90%.
First wire rope core of the utility model can greatly increase the stretching resistance of hoist ropes, to reduce the entirety of hoist ropes
Outer diameter, so that elevator traction size of wheel is substantially reduced and more energy saving, while it is a series of not also to reduce hoist ropes self weight bring
Benefit influences, and may further reduce the tensile elongation of hoist ropes, prolong the service life length.
The peripheral rope strand 30 of the utility model includes third wrapping layer 31 and the second wire rope core main body 32, the second wire rope core master
Body 32 by diameter is 0.3-0.8mm, the steel wire twisting that intensity level is 1900-2300MPa forms, the third wrapping layer 31 and
Lubricating oil is filled between two wire rope core main bodys 32.
The utility model is improved the tensile strength of peripheral rope strand 30, is being protected by more mutually twisted high-tensile steel wires
Under conditions of demonstrate,proving hoist ropes rupture pull force, reduce the diameter of peripheral rope strand 30, and reduce the integral diameter of hoist ropes, so make with
The traction machine miniaturization that hoist ropes matching uses, reduces traction machine cost, saves ele-vator shaft spaces.
It is 0.3-0.8mm that the production method of the second wire rope core of the utility model main body 32, which includes: with diameter, intensity level is
The parallel twisting stock that structure is 1*19W, diameter is 1.5-3.5mm is made up of strander for the steel wire of 1900-2300MPa, is twisting stock
The lay pitch is 10-20mm in the process.The utility model selects the closely knit wirerope of parallel twisting as the second wire rope core main body；Parallel twisting is closely knit
Wirerope is high compared with the fill factor of other conventional line contact wirerope, and fill factor reaches 62% or so, can lead under equal conditions
The raising of fill factor of rope is crossed to obtain high rupture pull force；And the closely knit steel cord structure of parallel twisting is stablized, and is conducive to
The fatigue life of wirerope is improved, the tensile elongation of center rope strand is reduced.
Specifically, the third wrapping layer 31 of the utility model is made of silicone materials, the viscosity of silicone materials is 1200~
3000cst/25℃.The utility model uses viscosity to make third wrapping layer for 1000~3000cst/25 DEG C of silicone materials,
Third wrapping layer is set to be sticked together with the first wrapping layer, pulling force, pressure and the Shear transfer that will act on peripheral rope strand arrive
On first wrapping layer, to reduce the tensile elongation of peripheral rope strand.
Binding force between third wrapping layer and the first wrapping layer in order to further increase, the table of the third wrapping layer 31
Face is equipped with continuously arranged sucker (not shown).
The silicone materials are amino-modified silicone oil, epoxy-modified silicone oil, Carboxyl Modified Polydimethylsiloxane, alcoholic extract hydroxyl group modified silicon
Oil, phenolic group modified silicone oil, coloured glaze base modified silicon oil, polyether-modified water-soluble silicon oil, phosphoric acid zirconium base silicone oil, beet base silicone oil
One or more of.
Based on existing production technology and environmental requirement, the silicone materials are preferably polyether-modified water-soluble silicon oil, institute
The viscosity for stating silicone materials is 1000~3000cst/25 DEG C.Specifically, the viscosity of the silicone materials can be 1000cst/
25℃、1200cst/25℃、1500cst/25℃、1800cst/25℃、2000cst/25℃、2200cst/25℃、
2500cst/25 DEG C, 2800cst/25 DEG C, 3000cst/25 DEG C, but not limited to this.
More preferably, the silicone materials be alkyl, polyether silicone oil, it is epoxy group polyether silicone oil, amino-polyether block silicone oil, sweet
The one or more of oily ether silicone oil, glycosyl polyethers silicone oil, the viscosity of the silicone materials are 1200~2500cst/25 DEG C.
The production method of the periphery rope strand includes: that lubricating oil is coated in the second wire rope core main body, forms lube layer；
Silicone materials are coated on lube layer, form third wrapping layer, wherein oil refill is in the second wire rope core main body and third packet
Between covering layer.
The lubricating oil of the utility model can reduce the friction in the second wire rope core main body between wirerope, improve the second wire rope core
The wearability and high flexibility of main body, extend the service life of hoist ropes.Further, due to the utility model use viscosity for
1000~3000cst/25 DEG C of silicone materials make third wrapping layer, and lubricating oil can also reduce the second wire rope core main body and third
Frictional force between wrapping layer extends the service life of hoist ropes.
Compared with simple wirerope, the hoist ropes tensile elongation of the utility model is reduced significantly, although using carbon fiber
Silk can also reduce its tensile elongation to make hoist ropes, and still, the poor ductility of carbon fiber wire is easy to happen disconnected in wirerope
It splits, there is a certain security risk.The hoist ropes of the utility model passes through the mutual cooperation of center rope strand and peripheral rope strand, tough
Property and ductility between obtain a good balance, extend its service life, meet the use of elevator.
Hereinafter the utility model will be illustrated with specific embodiment
Embodiment 1
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
6 peripheral rope strands, 6 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.2mm, the carbon fiber wire that intensity level is 2700MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.3mm, the steel wire twisting that intensity level is 1900MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
3000cst/25℃。
Embodiment 2
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
6 peripheral rope strands, 6 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.1mm, the carbon fiber wire that intensity level is 2500MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.4mm, the steel wire twisting that intensity level is 2000MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
2500cst/25℃。
Embodiment 3
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
5 peripheral rope strands, 5 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.3mm, the carbon fiber wire that intensity level is 2700MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.5mm, the steel wire twisting that intensity level is 2100MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
2300cst/25℃。
Embodiment 4
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
5 peripheral rope strands, 5 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.2mm, the carbon fiber wire that intensity level is 2600MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.6mm, the steel wire twisting that intensity level is 2000MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
2000cst/25℃。
Embodiment 5
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
4 peripheral rope strands, 4 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.4mm, the carbon fiber wire that intensity level is 2800MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.8mm, the steel wire twisting that intensity level is 2300MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
1800cst/25℃。
Embodiment 6
A kind of elevator rope, including the first wrapping layer, be coated on 1 center rope strand in first wrapping layer and
3 peripheral rope strands, 3 peripheral rope strands are stranded on 1 center rope strand, are filled with gluing between the first wrapping layer and peripheral rope strand
Agent；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is by diameter
0.5mm, the carbon fiber wire that intensity level is 3000MPa form, and the carbon fiber wire is in nature plumbness, second wrapping layer
And first be filled with lubricating oil between wire rope core main body；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is by diameter
0.8mm, the steel wire twisting that intensity level is 2300MPa form, filled with profit between the third wrapping layer and the second wire rope core main body
Lubricating oil；
Wherein, second wrapping layer and third wrapping layer are made of silicone materials, and the viscosity of silicone materials is
1200cst/25℃。
Comparative example 1
A kind of elevator rope, including the first wrapping layer, the wire rope core main body being coated in first wrapping layer, wire rope core master
Body by diameter is 1.5mm, the steel wire twisting that intensity level is 2300MPa forms.
Comparative example 2
A kind of elevator rope, including the first wrapping layer, the wire rope core main body being coated in first wrapping layer, wire rope core master
The carbon fiber wire composition that body diameter is 1.5mm, intensity level is 3000MPa.
Embodiment 1-6 and the hoist ropes of comparative example 1 and 2 are carried out to the tension test of 5000 times and 10000 times, pulling force respectively
For the weight of normal elevator car, wherein embodiment 1-6 is identical with the length and diameter of the hoist ropes of comparative example 1 and 2, test
As a result as follows:
From the above it is found that compared with simple wirerope, the hoist ropes tensile elongation of the utility model is reduced significantly,
Although its tensile elongation can also be reduced by being made hoist ropes of carbon fiber wire, the poor ductility of carbon fiber wire is in steel wire
Rope, is easy to happen fracture, there is a certain security risk.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (8)
1. a kind of elevator rope, which is characterized in that including the first wrapping layer, be coated on center in first wrapping layer
Rope strand and the periphery Duo Gen rope strand, the more peripheral rope strands are stranded on the center rope strand, the first wrapping layer and peripheral rope strand
Between be filled with adhesive；
The center rope strand includes the second wrapping layer and the first wire rope core main body, and the first wire rope core main body is 0.1- by diameter
0.5mm, the carbon fiber wire that intensity level is 2500-3000MPa form, and fill between second wrapping layer and the first wire rope core main body
There is lubricating oil；
The periphery rope strand includes third wrapping layer and the second wire rope core main body, and the second wire rope core main body is 0.3- by diameter
0.8mm, the steel wire twisting that intensity level is 1900-2300MPa form, and the carbon fiber wire is in nature plumbness, the third
Lubricating oil is filled between wrapping layer and the second wire rope core main body.
2. elevator rope as described in claim 1, which is characterized in that second wrapping layer and third wrapping layer are by silicon
Oil substances are made, and the viscosity of silicone materials is 1200~3000cst/25 DEG C.
3. elevator rope as claimed in claim 2, which is characterized in that the silicone materials are polyether-modified water-soluble silicon
Oil.
4. elevator rope as claimed in claim 2, which is characterized in that the silicone materials are alkyl, polyether silicone oil, epoxy
Base polyether silicone oil, amino-polyether block silicone oil, one kind of glycerol ether silicone oil, glycosyl polyethers silicone oil, the silicone materials glue
Degree is 1200~2500cst/25 DEG C.
5. elevator rope as described in claim 1, which is characterized in that the surface of the third wrapping layer is equipped with continuous arrangement
Sucker.
6. elevator rope as described in claim 1, which is characterized in that the material of first wrapping layer is resin.
7. elevator rope as claimed in claim 6, which is characterized in that the material of first wrapping layer is thermoplastic poly ammonia
Ester resin.
8. elevator rope as described in claim 1, which is characterized in that by rope outside 4-8 root by the way of concentric stranding
Stock is stranded on 1 center rope strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662516.2U CN209427919U (en) | 2018-10-12 | 2018-10-12 | Elevator towline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662516.2U CN209427919U (en) | 2018-10-12 | 2018-10-12 | Elevator towline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209427919U true CN209427919U (en) | 2019-09-24 |
Family
ID=67966380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662516.2U Active CN209427919U (en) | 2018-10-12 | 2018-10-12 | Elevator towline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209427919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319630A (en) * | 2018-10-12 | 2019-02-12 | 佛山市高明区安承升降装备研究院 | Elevator towline |
| CN115897271A (en) * | 2022-10-13 | 2023-04-04 | 江苏赛福天钢索股份有限公司 | Steel wire rope for crane and manufacturing method thereof |
| CN109319630B (en) * | 2018-10-12 | 2024-07-02 | 佛山市高明区安承升降装备研究院 | Elevator traction rope |
-
2018
- 2018-10-12 CN CN201821662516.2U patent/CN209427919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319630A (en) * | 2018-10-12 | 2019-02-12 | 佛山市高明区安承升降装备研究院 | Elevator towline |
| CN109319630B (en) * | 2018-10-12 | 2024-07-02 | 佛山市高明区安承升降装备研究院 | Elevator traction rope |
| CN115897271A (en) * | 2022-10-13 | 2023-04-04 | 江苏赛福天钢索股份有限公司 | Steel wire rope for crane and manufacturing method thereof |
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