CN215450932U

CN215450932U - Take monitoring signal's special travelling cable of disconnected core elevator of preventing

Info

Publication number: CN215450932U
Application number: CN202121881225.4U
Authority: CN
Inventors: 汪胜银
Original assignee: Hunan Jinyuzhou Cable Science And Technology Co ltd
Current assignee: Hunan Jinyuzhou Cable Science And Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-07
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a special movable cable with a monitoring signal for an anti-core-breaking elevator, which comprises a conductive wire core, a monitoring wire core, a semi-conductive filling rope, an inner sheath and an outer sheath. The conductive wire core comprises three phase line copper conductors which are symmetrically arranged, and a conductor shielding layer, an ethylene propylene rubber insulating layer and an insulating shielding layer which are arranged outside the phase line copper conductors in an extruded mode; the monitoring wire cores are uniformly distributed among the three conductive wire cores; the semi-conductive filling rope is filled in gaps among the three conductive wire cores in an extrusion mode; the inner jacket is arranged on the peripheries of the conductive wire core and the monitoring wire core in an extruded manner; the outer sheath is arranged on the periphery of the inner sheath in a covering mode. The special movable cable with the monitoring signal for the core-breaking-preventing elevator effectively provides transmission of the monitoring signal while supplying power, and can effectively monitor the safe running condition of the high-speed construction elevator in real time.

Description

Take monitoring signal's special travelling cable of disconnected core elevator of preventing

Technical Field

The utility model relates to the technical field of cables, in particular to a special movable cable with a monitoring signal for a core-breaking-preventing elevator.

Background

In modern building construction, elevators or construction elevators (also called construction elevators), which are construction machines that carry people and goods with cages (or platform hoppers) and transport them up and down along rail frames or rails, are widely used. An elevator or a construction hoist is a machine which is the most busy in vertical transportation in a high-rise building, and has been recognized as one of the most indispensable key equipments for high-rise building construction.

With the increasing requirements on the safety performance of building construction, the operation condition of key equipment needs to be monitored when a construction elevator operates, the cable of the conventional elevator or construction elevator can only provide a power supply at present, few cables for monitoring the key equipment exist, and the cable of the conventional elevator or construction elevator can not monitor the operation condition of the elevator or construction elevator at all times.

Along with the rapid development of national economy, an elevator or a construction elevator develops towards a high-speed construction elevator quickly, when a cable of the high-speed elevator or the construction elevator runs, the design safety performance of the cable becomes a central importance, a control cable and a radio frequency cable are generally laid separately, the cross sections of the control cable and the radio frequency cable are small, the general control cable and the radio frequency cable are fixedly laid and do not move, core breaking is easy to occur when the cable is frequently moved and bent, and the construction difficulty and the production cost of a builder are increased invisibly. Therefore, it is desirable to provide a break-proof cable with a monitoring signal, which can effectively provide monitoring signal transmission while supplying power.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the special movable cable with the monitoring signal for the core-breaking-preventing elevator, which effectively provides the transmission of the monitoring signal while supplying power and can effectively monitor the safe running condition of the high-speed construction elevator in real time.

In order to achieve the above object, the present invention provides a mobile cable with a monitoring signal for preventing core breaking for an elevator, comprising: the conductive wire core comprises three phase line copper conductors which are symmetrically arranged, and a conductor shielding layer, an ethylene propylene rubber insulating layer and an insulating shielding layer which are arranged outside the phase line copper conductors in an extruded mode;

the monitoring wire cores are uniformly distributed among the three conductive wire cores;

the semi-conductive filling rope is filled in gaps among the three conductive wire cores in an extrusion mode;

the inner sheath is arranged on the peripheries of the conductive wire core and the monitoring wire core in an extruded mode;

and the outer sheath is arranged on the periphery of the inner sheath in a wrapping mode.

Preferably, the insulation shielding layer comprises a shielding layer formed by compositely weaving tinned copper wires and fiber wires.

Preferably, the periphery of the inner sheath is provided with a nylon rope weaving layer.

Preferably, the weaving density of the nylon rope weaving layer is 20% -30%.

Preferably, the monitoring wire core comprises a monitoring copper conductor outer extruded with a semiconducting layer.

Preferably, the outer sheath is made of an elastomer material.

Preferably, the specification of the semiconductive filling rope is determined by the size of gaps among the three conductive wire cores.

Has the advantages that:

the utility model provides a special movable cable with a monitoring signal for an anti-core-breaking elevator, which comprises a conductive wire core, a monitoring wire core, a semi-conductive filling rope, an inner sheath and an outer sheath. Through the three symmetrically arranged wire cores, the electricity consumption is balanced; the semi-conductive filling rope filled between the conductive cores in an extrusion mode improves the shunting and pressure relief formed inside the cable, and can protect the cable better. The monitoring wire core is externally extruded with a semi-conducting layer, so that the anti-interference performance of the monitoring wire core is improved. The inner sheath arranged through extrusion and the outer sheath arranged on the periphery of the inner sheath form double-layer protection, so that the tensile strength of the mobile cable is improved, the service life of the mobile cable is prolonged, and the transmission of monitoring signals of the mobile cable is guaranteed.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

the cable comprises a conductive wire core 1, a conductor shielding layer 2, an ethylene propylene rubber insulating layer 3, an insulating shielding layer 4, a shielding layer 5, a monitoring wire core 6, a semi-conductive layer 7, a semi-conductive filling rope 8, an inner sheath 9, a nylon rope weaving layer 10 and an outer sheath 11.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the utility model. All falling within the scope of the present invention.

With reference to FIG. 1

The utility model provides a special movable cable with a monitoring signal for an anti-core-breaking elevator, which comprises a conductive wire core 1, a monitoring wire core 6, a semi-conductive filling rope 8, an inner sheath 9 and an outer sheath 11. The conductive wire core 1 comprises three phase line copper conductors which are symmetrically arranged, and a conductor shielding layer 2, an ethylene propylene rubber insulating layer 3 and an insulating shielding layer 4 which are arranged outside the phase line copper conductors in an extruded mode; the conductor shielding layer 2 adopts semiconductor carbon black and is used for preventing point discharge caused by stuffing missing of the conductor; the ethylene propylene rubber insulating layer 3 has the effects of large bending resistance and good flexibility. The monitoring wire cores 6 are uniformly distributed among the three conductive wire cores 1; the semi-conductive filling rope 8 is filled in gaps among the three conductive wire cores 1 in an extrusion mode; the inner sheath 9 is arranged on the peripheries of the conductive wire core 1 and the monitoring wire core 6 in an extruded mode; the outer sheath 11 is coated on the outer periphery of the inner sheath 9. The inner sheath 9 provides a tight connection between the monitoring wire core 6 and the conductive wire core 1 and the outer sheath 11. The monitoring wire core is used for transmitting digital signals or audio signals to a monitoring room.

In one embodiment, the insulating shielding layer 4 comprises a shielding layer 5 formed by composite weaving of tinned copper wires and fiber wires, and flexibility and tensile strength of the cable are improved.

In one embodiment, the inner sheath 9 is provided with a nylon braid layer 10 on the outer circumference. The weaving density of the nylon rope weaving layer 10 is 20% -30%. The nylon cord-knitted layer 10 has the advantages of light weight and reduced cost.

In one embodiment, the monitoring wire core 6 comprises a monitoring copper conductor externally extruded with a semi-conductive layer 7, so that the interference resistance of monitoring signal transmission is improved.

The outer sheath 11 is made of an elastomer material, has good mechanical properties, realizes oil resistance and chemical reagent resistance, and ensures that the cable is bent for many times without performance reduction.

The specification of the semi-conductive filling rope 8 is determined by the size of gaps among the three conductive wire cores 1.

Has the advantages that:

the utility model provides a special movable cable with a monitoring signal for an anti-core-breaking elevator, which comprises a conductive wire core 1, a monitoring wire core 6, a semi-conductive filling rope 8, an inner sheath 9 and an outer sheath 11. Through the three symmetrically arranged wire cores, the electricity consumption is balanced; the semi-conductive filling rope 8 filled between the conductive cores in an extrusion mode improves the shunting and pressure relief formed inside the cable, and can protect the cable better. The monitoring wire core 6 is externally extruded with a semi-conducting layer 7, so that the anti-interference performance of the monitoring wire core 6 is improved. The inner sheath 9 arranged by extrusion and the outer sheath 11 arranged at the periphery of the inner sheath 9 form double-layer protection, so that the tensile strength of the mobile cable is improved, the service life is prolonged, and the transmission of a monitoring signal of the mobile cable is ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. The utility model provides a take monitoring signal's special travelling cable of disconnected core elevator of preventing which characterized in that includes:

the conductive wire core comprises three phase line copper conductors which are symmetrically arranged, and a conductor shielding layer, an ethylene propylene rubber insulating layer and an insulating shielding layer which are arranged outside the phase line copper conductors in an extruded mode;

2. The special mobile cable with the monitoring signal for the core-breaking-preventing elevator as claimed in claim 1, wherein the insulating shielding layer comprises a shielding layer braided by compounding tinned copper wires and fiber wires.

3. The core-breaking-preventing elevator-dedicated mobile cable with the monitoring signal according to claim 1, wherein a nylon rope woven layer is arranged on the outer periphery of the inner sheath.

4. The special movable cable with the monitoring signal and the core breakage preventing function for the elevator as claimed in claim 3, wherein the weaving density of the nylon rope weaving layer is 20% -30%.

5. The mobile cable with monitoring signal for preventing core breaking specially for elevator as claimed in claim 1, wherein the monitoring core includes monitoring copper conductor with extruded semi-conducting layer.

6. The special movable cable with the monitoring signal and the core breakage preventing function for the elevator as claimed in claim 1, wherein the outer sheath is made of an elastomer material.

7. The special movable cable with the monitoring signal and the core breakage preventing function for the elevator as claimed in claim 6, wherein the specification of the semi-conductive filling rope is determined by the size of the gap between the three conductive wire cores.