CN212161331U - Elevator cable - Google Patents
Elevator cable Download PDFInfo
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- CN212161331U CN212161331U CN202021078747.6U CN202021078747U CN212161331U CN 212161331 U CN212161331 U CN 212161331U CN 202021078747 U CN202021078747 U CN 202021078747U CN 212161331 U CN212161331 U CN 212161331U
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Abstract
The utility model provides an elevator cable, which relates to the technical field of cables and comprises an outer sheath and a cable core arranged in the outer sheath, wherein an inner protective layer is arranged between the cable core and the outer sheath; the number of the cable cores is at least one; a braided hose is arranged on the outer side of each cable core; and a gap is arranged between the braided hose and the cable core. The utility model provides an elevator cable sets up through the outside at the cable core and weaves the hose to set up the clearance between weaving hose and cable core, make and to lie in the cable core of weaving the hose and overhaul and change, reduced and overhauld the degree of difficulty of changing to the cable core, still can avoid extravagant simultaneously.
Description
Technical Field
The utility model relates to the technical field of cables, particularly, relate to an elevator cable.
Background
The elevator is necessary equipment for riding instead of walk in high-rise buildings, and the traveling cable for providing a working power supply for the elevator necessarily moves up and down along with the elevator in frequent up-and-down movement; along with the development of science and technology and the needs of people's work and life, some equipment such as communication and control also need to have in the elevator, for this reason, still need to set up relevant signal line in the elevator cable, need set up cable core, the cable core of signal cable etc. of power cable in the elevator cable promptly, with the lift of elevator together repetition.
In the high-speed movement of an elevator, the wind resistance of the cable is large, so that the cable is frequently pulled, the service life of the cable is shortened, and various cable cores are too complex and have relatively poor tensile property, so that after the traveling cable frequently moves up and down, the cable is likely to break or be damaged, the consequence of power failure and stop or other related function interruption is brought, the elevator fault is caused, and the life of people is seriously threatened.
When one cable core in the existing elevator cable breaks down, the whole elevator cable including the intact cable core needs to be replaced, so that unnecessary waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be after a circuit in the elevator cable breaks down, change the waste that causes with whole elevator cable.
In order to solve the problems, the utility model provides an elevator cable, which comprises an outer sheath and a cable core arranged in the outer sheath, wherein an inner protection layer is arranged between the cable core and the outer sheath; the number of the cable cores is at least one; a braided hose is arranged on the outer side of each cable core; and a gap is arranged between the braided hose and the cable core.
Through set up the clearance between hose and the cable core of weaving, be convenient for change the cable core that breaks down when overhauing, other cable cores that do not break down and oversheath isotructure can continue to use to improve elevator cable's utilization ratio, avoid extravagant.
Optionally, the range of the gap between the braided hose and the cable core is 0.5 mm-1.2 mm. On the one hand, the difficulty of changing the cable core due to the increase of the small gap between the braided hose and the cable core is avoided, and on the other hand, the increase of the volume of the elevator cable due to the overlarge gap is avoided.
Optionally, the material of the braided hose is a flame-retardant nylon rope. The braided hose has retractility, so that the difficulty in replacing the cable core is reduced.
Optionally, the cable core includes one optical fiber signal cable core, one electrical signal cable core, and one shielding signal cable core, and the optical fiber signal cable core is disposed in the center of the outer sheath; the number of the electric signal cable cores is two, and the two electric signal cable cores are symmetrically distributed on two sides of the optical fiber signal cable core; the number of the shielding signal cable cores is two, the two shielding signal cable cores are symmetrically distributed on two sides of the optical fiber signal cable core, and the shielding signal cable cores are distributed between the optical fiber signal cable core and the electric signal cable core.
The cable cores are symmetrically arranged in the outer sheath, so that the elevator cable is stressed uniformly, and the shielding performance is improved.
Optionally, the optical fiber signal cable core includes an optical fiber sheath, and a plurality of multimode optical fiber cores disposed in the optical fiber sheath, the plurality of multimode optical fiber cores are twisted, a filling layer is disposed between the multimode optical fiber cores and the optical fiber sheath, and the filling layer is basalt fiber and ointment.
Optionally, the electrical signal cable core includes an electrical signal outer sheath, an electrical signal filler strip disposed in the center of the electrical signal outer sheath, and a plurality of electrical signal wire cores disposed between the electrical signal outer sheath and the electrical signal filler strip; the electric signal wire core comprises an electric signal conductor and an electric signal insulating layer coated on the outer side of the electric signal conductor.
Optionally, the shielding signal cable core includes a shielding layer, a shielding signal outer sheath disposed outside the shielding layer, a shielding signal filler strip disposed in the shielding layer, and a plurality of shielding signal cable cores disposed between the shielding signal filler strip and the shielding layer; the shielding signal wire core comprises a shielding signal conductor and a shielding signal insulating layer coated on the outer side of the shielding signal conductor.
Optionally, the cable further comprises a tensile element, the tensile element is arranged in the outer sheath, the number of the tensile element is two, and the two tensile elements are symmetrically distributed on two sides of the cable core; the tensile member comprises a steel cord.
Optionally, the outer sheath is a flat structure; the outer sheath comprises a composite reinforcing layer and an outer sheath arranged on the outer side of the composite reinforcing layer; the composite reinforced layer is formed by weaving aramid fiber yarns and carbon fiber yarns.
Optionally, the ratio of the aramid fiber filaments to the carbon fiber filaments in the composite reinforcing layer is 3: 1.
compared with the prior art, the utility model provides an elevator cable has following advantage:
the utility model provides an elevator cable sets up through the outside at the cable core and weaves the hose to set up the clearance between weaving hose and cable core, make and to lie in the cable core of weaving the hose and overhaul and change, reduced and overhauld the degree of difficulty of changing to the cable core, still can avoid extravagant simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an elevator cable according to the present invention;
figure 2 is the structure sketch of fiber signal cable core.
Description of reference numerals:
1-an outer sheath; 11-a composite reinforcement layer; 12-an outer sheath; 2-a cable core; 21-optical fiber signal cable core; 211-optical fiber sheath; 212 — multimode optical fiber; 213-a filling layer; 22-an electrical signal cable core; 221-an electrical signal outer sheath; 222-electrical signal fill bars; 223-electrical signal core; 2231-electrical signal conductors; 2232-electrical signal insulation layer; 23-shielding the signal cable core; 231-a shielding layer; 232-shielding the signal outer sheath; 233-shield signal filler bar; 234-shield signal core; 2341 — shielded signal conductors; 2342 — shield signal insulating layer; 3-inner protecting layer; 4-weaving a hose; 5-tensile element.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In order to solve the problem of waste caused by replacement of the whole elevator cable after one cable core in the conventional elevator cable breaks down, the utility model provides an elevator cable, which is shown in figure 1 and comprises an outer sheath 1 and a cable core 2 arranged in the outer sheath 1, wherein an inner protection layer 3 is arranged between the cable core 2 and the outer sheath 1; the number of the cable cores 2 is at least one; the outer side of each cable core 2 is provided with a braided hose 4; a gap is arranged between the braided hose 4 and the cable core 2.
The outer sheath 1 is used for protecting the cable core 2 arranged in the outer sheath 1; it has interior sheath 3 to fill between outer sheath 1 and cable core 2, fixes a position cable core 2 through interior sheath 3 on the one hand, and on the other hand, this material of interior sheath 3 is fire-retardant, insulating material, improves the security of elevator cable through setting up interior sheath 3.
The number of the cable cores 2 can be one, or two or more, and the specific number is determined according to the requirement; the cable cores 2 can be cable cores of power cables, signal cables, shielding cables and the like; this application all is provided with in the outside of each cable core 2 and weaves hose 4, separate cable core 2 and interior sheath 3 through this hose 4 of weaving, and should weave and be provided with the clearance between hose 4 and the cable core 2, make cable core 2 can remove in weaving hose 4, thereby be convenient for overhaul cable core 2 to weaving in the hose 4, and in this elevator cable use, if faults such as fracture appear in certain cable core 2, can only take out this cable core 2 that breaks down from weaving hose 4 and change, all the other components of elevator cable can continue to use, thereby avoid changing whole elevator cable and the waste that causes when 2 troubles appear in a cable core. In addition, the braided hose 4 is arranged outside the cable core 2, so that the tensile property of the cable core 2 is improved, and the service life of the elevator cable is prolonged.
The range of the gap between the braided hose 4 and the cable core 2 is preferably 0.5 mm-1.2 mm; specifically, the gap size between the braided hose 4 and the cable core 2 is a distance between an inner wall of the braided hose 4 and an outer wall of the cable core 2.
The clearance between the braided hose 4 and the cable core 2 is set to be 0.5 mmm-1.2 mm, so that the difficulty of replacing the cable core 2 due to too small distance between the braided hose 4 and the cable core 2 is avoided on one hand, and the increase of the volume of the elevator cable due to too large distance between the braided hose 4 and the cable core 2 is also avoided on the other hand.
Further, the material of the hose 4 is woven for fire-retardant nylon rope to preferably this braided hose 4 is woven by fire-retardant nylon rope and is formed, on the one hand improves the security of elevator cable through the use of fire-retardant nylon rope, and on the other hand, weaves through fire-retardant nylon rope and forms, makes this braided hose 4 have certain scalability, thereby reduces the degree of difficulty of changing to this braided hose 4 internal cable core 2.
The cable core 2 comprises optical fiber signal cable cores 21, electrical signal cable cores 22 and shielding signal cable cores 23, wherein the number of the optical fiber signal cable cores 21 is one, and the optical fiber signal cable cores 21 are arranged in the center of the outer sheath 1; the number of the electric signal cable cores 22 is two, and the two electric signal cable cores 22 are symmetrically distributed on two sides of the optical fiber signal cable core 21; the number of the shielding signal cable cores 23 is two, the two shielding signal cable cores 23 are symmetrically distributed on two sides of the optical fiber signal cable core 21, and the shielding signal cable cores 23 are distributed between the optical fiber signal cable core 21 and the electric signal cable core 22.
Through setting up each cable core symmetry for this elevator cable atress is even, and helps improving shielding performance.
Specifically, as shown in fig. 2, the optical fiber signal cable core 21 of the present invention includes an optical fiber sheath 211, and a plurality of multimode optical fiber cores 212 disposed in the optical fiber sheath 211, the multimode optical fiber cores 212 are twisted, a filling layer 213 is disposed between the multimode optical fiber cores 212 and the optical fiber sheath 211, and the filling layer 213 is basalt fiber and ointment.
Wherein the ointment is low density and high stability ointment; the filler layer 213 contributes to improvement of not only the stability of the structure of the optical fiber signal cable core 21 but also the safety.
The optical fiber protective layer 211 is made of halogen-free low-smoke flame-retardant polyolefin, and preferably, the optical fiber protective layer 211 is soft-grade halogen-free low-smoke flame-retardant polyolefin, and the VA content in the optical fiber protective layer 211 is greater than 24%.
By selecting the halogen-free low-smoke flame-retardant polyolefin material as the optical fiber protective layer 211 and utilizing the characteristics of halogen-free low-smoke flame-retardant polyolefin, such as no halogen, low smoke generation and high flame retardance, the safety of the optical fiber signal cable core 21 can be improved, and the safety of the elevator cable can be further improved.
The optical fiber sheath 211 is an outermost structure of the optical fiber signal cable core 21, the braided hose 4 is arranged outside the optical fiber signal cable core 21, that is, the braided hose 4 is arranged outside the optical fiber sheath 211, and the optical fiber signal cable core 21 is separated from the inner sheath 3 by the braided hose 4, so that the optical fiber signal cable core 21 can move in the braided hose 4; in the maintenance process, if the optical fiber signal cable core 21 is found to be broken down, only the broken optical fiber signal cable core 21 is drawn out from the weaving hose 4, and the intact optical fiber signal cable core 21 penetrates into the weaving hose 4, so that the replacement of the optical fiber signal cable core 21 can be completed, the elevator cable can normally work again, the utilization rate of other components in the elevator cable is improved, the service life of the elevator cable is prolonged, and waste is avoided.
The electrical signal cable core 22 in the present application includes an electrical signal outer sheath 221, an electrical signal filler 222 disposed in the center of the electrical signal outer sheath 221, and a plurality of electrical signal cores 223 disposed between the electrical signal outer sheath 221 and the electrical signal filler 222; the electrical signal core 223 includes an electrical signal conductor 2231 and an electrical signal insulation layer 2232 coated outside the electrical signal conductor 2231.
The electric signal outer protection layer 221 is a non-metal outer protection layer, the non-metal outer protection layer is preferably a high-strength high-wear-resistance halogen-free low-smoke flame-retardant thermoplastic elastomer sheath material, the Shore hardness of the material is 80-85A, the tensile strength is larger than or equal to 18MPa, the surface friction coefficient range is 0.260-0.350, and through the arrangement of the non-metal outer protection layer, the safety of the electric signal cable core 22 is improved, the service life of the electric signal cable core is prolonged, and the service life of an elevator cable is further prolonged.
The electrical signal conductor 2231 in the present application is a composite reinforced core made of a plurality of fine stranded copper conductors, and specifically, the electrical signal conductor 2231 is a composite reinforced conductor formed by stranding aramid fiber filaments and a plurality of fine copper monofilaments.
The electric signal insulating layer 2232 is a low-hardness halogen-free low-smoke flame-retardant thermoplastic elastomer insulating material, the Shore hardness of the material is 67-70A, the tensile strength is larger than or equal to 15MPa, and the surface friction coefficient range is 0.260-0.350.
As in the case of the optical fiber signal cable core 21, the outer signal protection layer 221 is an outermost layer structure of the electrical signal cable core 22, and the braided hose 4 is arranged outside the electrical signal cable core 22, that is, the braided hose 4 is arranged outside the outer signal protection layer 221; separating the electrical signal cable core 22 from the inner sheath 3 by the braided hose 4 so that the electrical signal cable core 22 can move within the braided hose 4; in the maintenance process, if this signal of telecommunication cable core 22 breaks down, only take out this signal of telecommunication cable core 22 that breaks down from weaving the hose 4 in, penetrate intact signal of telecommunication cable core 22 again in this weaving hose 4, can accomplish the change to signal of telecommunication cable core 22 for this elevator cable can normally work once more, improves the utilization ratio to other components in the elevator cable, prolongs elevator cable's life, avoids extravagant.
The shielding signal cable core 23 in the present application includes a shielding layer 231, a shielding signal outer sheath 232 disposed outside the shielding layer 231, a shielding signal filler strip 233 disposed in the shielding layer 231, and a plurality of shielding signal cable cores 234 disposed between the shielding signal filler strip 233 and the shielding layer 231; the shielded signal core 234 includes a shielded signal conductor 2341 and a shielded signal insulation layer 2342 covering the outside of the shielded signal conductor 2341.
The shielding layer 231 is a high-strength bending-resistant tinned copper foil wire woven shielding layer, namely the shielding layer 231 is woven by adopting high-strength bending-resistant tinned copper foil wires, and the probability of secondary interference signals generated by an electromagnetic field is reduced, the loss in the signal transmission process is reduced, and the shielding effect and the bending resistance are improved by plating a tin layer on the surface of the copper foil wires; furthermore, the surface of the copper foil wire is preferably plated with a tin layer with the thickness of 3 mu m.
The signal shielding outer protective layer 232 is a high-strength high-wear-resistance halogen-free low-smoke flame-retardant thermoplastic elastomer sheath material; the shielded signal conductor 2341 is a composite reinforced conductor formed by a plurality of strands of fine twisted copper conductors, and the composite reinforced conductor is formed by twisting aramid fiber filaments and a plurality of fine copper monofilaments; the shielding signal insulating layer 2342 is made of a low-hardness halogen-free low-smoke flame-retardant thermoplastic elastomer.
Similarly, the shielding signal outer sheath 232 is an outermost layer structure of the shielding signal cable core 23, and the braided hose 4 is arranged outside the shielding signal cable core 23, that is, the braided hose 4 is arranged outside the shielding signal outer sheath 232; separating the shielded signal cable core 23 from the inner sheath 3 by the braided hose 4 so that the shielded signal cable core 23 can move within the braided hose 4; in the maintenance process, if the shielding signal cable core 23 is found to be out of order, only the shielding signal cable core 23 with the faults is taken out from the braided hose 4, and the intact shielding signal cable core 23 penetrates into the braided hose 4, so that the shielding signal cable core 23 can be replaced, the elevator cable can normally work again, the utilization rate of other components in the elevator cable is improved, the service life of the elevator cable is prolonged, and waste is avoided.
In order to improve the tensile property of the elevator cable, the elevator cable further comprises two bearing and pulling elements 5, the bearing and pulling elements 5 are arranged in the outer sheath 1, in order to improve the uniformity of stress, the number of the bearing and pulling elements 5 is preferably two, and the two bearing and pulling elements 5 are symmetrically distributed on two sides of the cable core 1.
Further, it is preferred that the tensile member 5 comprises a steel cord.
This wire rope is further preferred to this wire rope for high tensile wire rope that circles round, this high tensile wire rope that circles round that length is 1 meter can bear the pulling force that is equivalent to 600 meters cable weight, wire rope through chooseing for use two symmetries to set up is as tensile component, the tensile property of this elevator cable of improvement that can be very big, guarantee that the atress of each cable core 2 of elevator cable in long-stroke operation reduces, prevent that cable core 2 from breaking, prolong the life of cable core 2, and then prolong the life of elevator cable.
Because the elevator cable provided by the application is provided with the plurality of cable cores 2 and the tensile elements 5, the outer sheath 1 is preferably of a flat structure in order to facilitate the symmetrical arrangement of the plurality of cable cores 2 and the tensile elements 5 and reduce the volume of the elevator cable; the outer sheath 1 comprises a composite reinforcing layer 11 and an outer sheath 12 arranged outside the composite reinforcing layer 11; the composite reinforced layer 11 is formed by weaving aramid fiber yarns and carbon fiber yarns.
The flat structure specifically means that the cross section of the outer sheath 1 is a long strip structure, namely the length of the cross section of the outer sheath 1 is greater than the width of the cross section of the outer sheath, wherein the specific values of the length and the width of the cross section of the outer sheath 1, the ratio of the length to the width and the like are determined according to the number of the cable cores 2 in the outer sheath 1, the tensile requirement of the elevator cable and the like; the cross section of this oversheath 1 can be the rectangle, and the both ends of the cross section of the preferred oversheath 1 of this application all are provided with semi-circular structure to in the manufacturing degree of difficulty that reduces elevator cable, reduce its volume, reduce the material of use, improve pleasing to the eye degree simultaneously.
The application further prefers that the proportion of the aramid fiber yarns to the carbon fiber yarns in the composite reinforcing layer 11 is 3: 1.
through the tight adhesion of compound enhancement layer 11 and outer jacket 12, improve elevator cable's bending resistance ability, prolong elevator cable's life, improve the security.
In the application, the outer protective layer 12 is made of a high-strength high-wear-resistance halogen-free low-smoke flame-retardant thermoplastic elastomer sheath material, the Shore hardness of the material is 80-85A, and the tensile strength is more than or equal to 18 MPa.
The outer jacket 12 is made of a high-strength high-wear-resistance halogen-free low-smoke flame-retardant thermoplastic elastomer jacket material, so that the elevator cable has good tensile strength and bending performance, and has halogen-free, low-smoke and flame-retardant performances.
The elevator cable provided by the utility model is characterized in that the optical fiber signal cable core 21, the electric signal cable core 22, the shielding signal cable core 23 and the bearing and pulling element 5 are symmetrically arranged in the outer sheath 1, so that the elevator cable is of a symmetrical cable structure, the elevator cable is uniformly stressed, and the shielding performance of the elevator cable is improved; the braided hose 4 is arranged outside the cable core 2, and the gap is arranged between the braided hose 4 and the cable core 2, so that the cable core 2 is convenient to replace in later-stage maintenance, the utilization rate of materials is improved, and waste is avoided; through setting up the compound enhancement layer 11 that is woven and is formed by aramid fiber silk and carbon fiber silk to and prevent wire rope that circles round, help improving elevator cable's tensile ability and bending resistance.
To sum up, the elevator cable structure that this application provided is symmetrical, the atress is even, has high tensile, shielding property is good, resistant circling round and bending property is good, there is not steamed low cigarette, fire-retardant, advantages such as installation maintenance convenience, is favorable to prolonging elevator cable's life.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. An elevator cable is characterized by comprising an outer sheath (1) and a cable core (2) arranged in the outer sheath (1), wherein an inner protection layer (3) is arranged between the cable core (2) and the outer sheath (1); the number of the cable cores (2) is at least one; a braided hose (4) is arranged on the outer side of each cable core (2); a gap is arranged between the braided hose (4) and the cable core (2).
2. Elevator cable according to claim 1, characterized in that the clearance between the braided hose (4) and the cable core (2) is in the range of 0.5mm to 1.2 mm.
3. Elevator cable according to claim 1, characterized in that the material of the braided hose (4) is a flame retardant nylon rope.
4. The elevator cable according to claim 1, wherein the cable core (2) comprises one optical fiber signal cable core (21), one electrical signal cable core (22), and one shielding signal cable core (23), the optical fiber signal cable core (21) being disposed at the center of the outer sheath (1); the number of the electric signal cable cores (22) is two, and the two electric signal cable cores (22) are symmetrically distributed on two sides of the optical fiber signal cable core (21); the number of the shielding signal cable cores (23) is two, the two shielding signal cable cores (23) are symmetrically distributed on two sides of the optical fiber signal cable core (21), and the shielding signal cable cores (23) are distributed between the optical fiber signal cable core (21) and the electric signal cable core (22).
5. The elevator cable according to claim 4, wherein the optical fiber signal cable core (21) comprises a fiber sheath (211), and a plurality of multimode optical fiber cores (212) disposed in the fiber sheath (211), the plurality of multimode optical fiber cores (212) being twisted, a filling layer (213) being disposed between the multimode optical fiber cores (212) and the fiber sheath (211), the filling layer (213) being basalt fiber and ointment.
6. The elevator cable according to claim 4, wherein the electrical signal cable core (22) comprises an outer electrical signal sheath (221), an electrical signal filler strip (222) disposed in the center of the outer electrical signal sheath (221), and a plurality of electrical signal cores (223) disposed between the outer electrical signal sheath (221) and the electrical signal filler strip (222); the electric signal wire core (223) comprises an electric signal conductor (2231) and an electric signal insulating layer (2232) coated on the outer side of the electric signal conductor (2231).
7. The elevator cable according to claim 4, wherein the shielded signal cable core (23) comprises a shielding layer (231), a shielded signal outer sheath (232) disposed outside the shielding layer (231), a shielded signal filler strip (233) disposed in the shielding layer (231), and a plurality of shielded signal cores (234) disposed between the shielded signal filler strip (233) and the shielding layer (231); the shielding signal wire core (234) comprises a shielding signal conductor (2341) and a shielding signal insulating layer (2342) wrapping the outer side of the shielding signal conductor (2341).
8. The elevator cable according to claim 1, further comprising a tensile member (5), wherein the tensile member (5) is disposed in the outer sheath (1), the number of the tensile members (5) is two, and the two tensile members (5) are symmetrically distributed on two sides of the cable core (2); the tensile element (5) comprises a steel wire rope.
9. Elevator cable according to any of claims 1 to 8, characterized in that the outer sheath (1) is of a flat configuration; the outer sheath (1) comprises a composite reinforcing layer (11) and an outer sheath (12) arranged on the outer side of the composite reinforcing layer (11); the composite reinforcing layer (11) is formed by weaving aramid fiber yarns and carbon fiber yarns.
10. The elevator cable according to claim 9, characterized in that the ratio of aramid fiber filaments to carbon fiber filaments in the composite reinforcement layer (11) is 3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078747.6U CN212161331U (en) | 2020-06-12 | 2020-06-12 | Elevator cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078747.6U CN212161331U (en) | 2020-06-12 | 2020-06-12 | Elevator cable |
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| Publication Number | Publication Date |
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| CN212161331U true CN212161331U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021078747.6U Active CN212161331U (en) | 2020-06-12 | 2020-06-12 | Elevator cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599516A (en) * | 2020-06-12 | 2020-08-28 | 宝胜科技创新股份有限公司 | Elevator cable |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599516A (en) * | 2020-06-12 | 2020-08-28 | 宝胜科技创新股份有限公司 | Elevator cable |
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