CN213183735U - Elevator cable with high reliability - Google Patents
Elevator cable with high reliability Download PDFInfo
- Publication number
- CN213183735U CN213183735U CN202021858520.3U CN202021858520U CN213183735U CN 213183735 U CN213183735 U CN 213183735U CN 202021858520 U CN202021858520 U CN 202021858520U CN 213183735 U CN213183735 U CN 213183735U
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- protective sheath
- high reliability
- air cavity
- elevator cable
- protective
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Abstract
The utility model discloses an elevator cable of high reliability, including the protective sheath, strengthen core and optic fibre thread, the center that looks sideways at of optic fibre thread and the center coincidence that looks sideways at of protective sheath, the outer end parcel of optic fibre thread has shielding layer and protective layer, be provided with the through wires hole in the protective sheath, strengthen the core and pass through wires hole and protective sheath fixed connection, be provided with the air cavity in the protective sheath, the top and the bottom of air cavity are provided with the bleeder vent, the outer terminal surface of protective sheath is provided with the ripple groove, the shielding layer adopts the aluminium foil material to make, it forms for seven steel wire hank systems with the diameter to strengthen the core, the diameter of through wires hole. The utility model discloses add air cavity and bleeder vent in the protective sheath, greatly reduced the deformation that produces when expend with heat and contract with cold, set up the ripple groove in the outside of protective sheath, greatly reduced the fatigue strain degree of equipment when buckling to the security of equipment and the life of equipment have been promoted greatly.
Description
Technical Field
The utility model belongs to the technical field of the cable, specifically be an elevator cable of high reliability.
Background
The elevator cable adopts special structural design, long service life, and furthest improves elevator manufacturing enterprise's operating efficiency, and elevator control cable can provide whole electrical control under the longer condition of length of hanging, bears mechanical stress simultaneously, and the elevator cable is because of adopting the steel wire to bear the weight of the cable core, can be used to the long distance and hangs the use occasion.
Disclose an elevator cable in authorized announcement number CN203839130U, oversheath and the cladding fiber assembly in the oversheath including the platykurtic, fiber assembly includes the optic fibre thread and winds first aramid fiber layer and the second aramid fiber layer of covering outside the optic fibre thread in proper order, be provided with the inner sheath between first aramid fiber layer and the second aramid fiber layer, first aramid fiber layer, the second aramid fiber layer, the inner sheath is all coaxial with the optic fibre thread, the fiber assembly both sides symmetry respectively are provided with a branch of stranded conductor, the stranded conductor includes the central line and encircles and set up in the peripheral six separated time of central line.
Above-mentioned disclosed elevator cable needs buckle for a long time in the use, leads to the easy crackle wearing and tearing that appear of outside protective layer, greatly reduced the security of equipment, and the cable makes cable lag produce fatigue strain at expend with heat and contract with cold in-process easily, shortens cable life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator cable of high reliability to solve among the prior art cable and buckle and the expend with heat and contract with cold in-process problem that leads to cable fatigue to meet an emergency easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an elevator cable of high reliability, includes protective sheath, reinforcement core and optic fibre thread, the center that looks sideways at of optic fibre thread coincides with the center that looks sideways at of protective sheath, the outer end parcel of optic fibre thread has shielding layer and protective layer, be provided with the through wires hole in the protective sheath, the reinforcement core passes through wires hole and protective sheath fixed connection, be provided with the air cavity in the protective sheath, the top and the bottom of air cavity are provided with the bleeder vent, the outer terminal surface of protective sheath is provided with the ripple groove.
Preferably, the shielding layer adopts the aluminium foil material to make, the protective layer adopts the aramid fiber material to make, wraps up the shielding layer in the outer end of optic fibre thread, prevents effectively that external signal from disturbing the signal transmission in the optic fibre thread to the fault rate of elevator has been reduced.
Preferably, the reinforcing core is formed by twisting seven groups of steel wires with the same diameter, the diameter of the threading hole is three times of that of the steel wires, and the reinforcing core twisted by the multiple groups of steel wires provides main support.
Preferably, the corrugated groove is a circular bead annular notch, the corrugated groove is uniformly arranged along the cable, the corrugated groove is arranged on the outer side of the protective sleeve, and when the protective sleeve is bent, the corrugated groove is extruded, so that the protective sleeve is provided with a larger bending space, and the bending inner side extrusion and the outer side deformation of the protective sleeve are reduced.
Preferably, the air cavity is a round-corner rectangular hollow cavity, the air holes are round through holes, when the external environment is overheated, the air cavities are extruded by the protective sleeves, air in the air cavities is discharged through the air holes, deformation between the protective sleeves is reduced, and therefore fatigue strain of equipment is reduced.
Preferably, the air holes are formed between two adjacent corrugated grooves, the length of the air cavities is smaller than the distance between the adjacent corrugated grooves, and the air cavities which are arranged at intervals are arranged between the corrugated grooves, so that cracking caused by over-thin protective sleeves at the corrugated grooves is avoided.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses add air cavity and bleeder vent in the protective sheath, greatly reduced the deformation that produces when expend with heat and contract with cold, set up the ripple groove in the outside of protective sheath, greatly reduced the fatigue strain degree of equipment when buckling to the security of equipment and the life of equipment have been promoted greatly.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a top view of the present invention.
In the figure: 1 protective sleeve, 2 reinforced cores, 3 optical fiber main lines, 11 air cavities, 111 air holes, 12 threading holes, 13 corrugated grooves, 21 steel wires, 31 shielding layers and 32 protective layers.
Detailed Description
Please refer to fig. 1, a highly reliable elevator cable, which includes a protective sleeve 1, a reinforcing core 2 and an optical fiber main line 3, the side view center of the optical fiber main line 3 coincides with the side view center of the protective sleeve 1, the outer end of the optical fiber main line 3 is wrapped with a shielding layer 31 and a protective layer 32, threading holes 12 are opened on two sides inside the protective sleeve 1, the reinforcing core 2 passes through the threading holes 12 and is fixedly connected with the protective sleeve 1, an air cavity 11 is opened in the protective sleeve 1, ventilation holes 111 are opened on the top and the bottom of the air cavity 11, a corrugated groove 13 is opened on the outer end surface of the protective sleeve 1, the reinforcing core 2 is formed by twisting seven groups of steel wires 21 with the same diameter, the diameter of the threading holes 12 is three times that of the steel wires 21.
Referring to fig. 2, the corrugated groove 13 is a circular-angle annular notch, the corrugated grooves 13 are uniformly arranged along the cable, the corrugated groove 13 is formed in the outer side of the protective sleeve 1, when the protective sleeve 1 is bent, the corrugated groove 13 is extruded to enable the protective sleeve 1 to have a larger bending space so as to reduce the bending inner side extrusion and the outer side deformation of the protective sleeve 1, the air cavity 11 is a circular-angle rectangular hollow cavity, the air holes 111 are circular through holes, when the external environment is overheated, the protective sleeve 1 extrudes the air cavity 11 to discharge the air in the air cavity 11 through the air holes 111 so as to reduce the deformation between the protective sleeves 1, thereby reducing the fatigue strain of the equipment, the air holes 111 are arranged between two adjacent corrugated grooves 13, the length of the air cavity 11 is smaller than the distance between the adjacent corrugated grooves 13, the air cavities 11 arranged at intervals are arranged between the corrugated grooves 13, and cracking caused by the.
The working principle of the scheme is as follows: utility model discloses add air cavity 11 and bleeder vent 111 in protective sheath 1, when external environment is overheated, protective sheath 1 extrudes air cavity 11, discharge the air in air cavity 11 by bleeder vent 111, greatly reduced the deformation that produces when expend with heat and contract with cold, set up corrugated groove 13 in protective sheath 1's the outside, when protective sheath 1 is buckling, extrude corrugated groove 13, make protective sheath 1 have bigger space of buckling, greatly reduced the fatigue strain degree of equipment when buckling, thereby the security of equipment and the life of equipment have been promoted greatly.
Claims (6)
1. The utility model provides an elevator cable of high reliability, includes protective sheath (1), reinforcement core (2) and optic fibre thread (3), its characterized in that: the utility model discloses a cable protection sleeve, including optical fiber thread (3), protective sheath (1), reinforcing core (2), shielding layer (31) and protective layer (32) have been wrapped up to the outer end of optical fiber thread (3) and the center coincidence that looks sideways at of optical fiber thread (3) and protective sheath (1), be provided with through wires hole (12) in protective sheath (1), reinforcing core (2) pass through wires hole (12) and protective sheath (1) fixed connection, be provided with air cavity (11) in protective sheath (1), the top and the bottom of air cavity (11) are provided with bleeder vent (111), the outer terminal surface of protective sheath (1) is provided with corrugated groove (.
2. A high reliability elevator cable according to claim 1, wherein: the shielding layer (31) is made of an aluminum foil material.
3. A high reliability elevator cable according to claim 1, wherein: the reinforcing core (2) is formed by twisting seven groups of steel wires (21) with the same diameter, and the diameter of the threading hole (12) is three times that of the steel wires (21).
4. A high reliability elevator cable according to claim 1, wherein: the air cavity (11) is a round-corner rectangular hollow cavity, and the air holes (111) are round through holes.
5. A high reliability elevator cable according to claim 1, wherein: the corrugated groove (13) is a circular-bead annular notch, and the corrugated grooves (13) are uniformly arranged along the cable.
6. A high reliability elevator cable according to claim 1, wherein: the air holes (111) are arranged between two adjacent corrugated grooves (13), and the length of the air cavity (11) is smaller than the distance between the adjacent corrugated grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858520.3U CN213183735U (en) | 2020-08-31 | 2020-08-31 | Elevator cable with high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858520.3U CN213183735U (en) | 2020-08-31 | 2020-08-31 | Elevator cable with high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213183735U true CN213183735U (en) | 2021-05-11 |
Family
ID=75768979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021858520.3U Active CN213183735U (en) | 2020-08-31 | 2020-08-31 | Elevator cable with high reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213183735U (en) |
-
2020
- 2020-08-31 CN CN202021858520.3U patent/CN213183735U/en active Active
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