CN113872121B - Auxiliary connection method and device for main line cable and electrical equipment - Google Patents

Auxiliary connection method and device for main line cable and electrical equipment Download PDF

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Publication number
CN113872121B
CN113872121B CN202111285239.4A CN202111285239A CN113872121B CN 113872121 B CN113872121 B CN 113872121B CN 202111285239 A CN202111285239 A CN 202111285239A CN 113872121 B CN113872121 B CN 113872121B
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China
Prior art keywords
cable
main line
line cable
screw rod
target
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CN113872121A (en
Inventor
李运花
夏志雄
陈黎丽
白帆
赵云云
徐勇云
甘嘉杰
何平
伍振华
黄国威
林之栋
蓝日新
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Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Priority to CN202111285239.4A priority Critical patent/CN113872121B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables

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  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cable Accessories (AREA)

Abstract

The invention discloses an auxiliary connection method and device for a main line cable and electrical equipment, wherein the method comprises the following steps: determining a target main line cable from the cables in response to the connection request; two-way screw rod retractors and a cable screwing tool are additionally arranged on two sides of a well where the target main line cable is located; fixing the positions of a target main line cable lock and a bidirectional screw rod telescopic device through a cable screwing tool; the rotation of the target main line cable is realized by using a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence; cutting off the cable skin of the target main line cable by using a peeling knife to obtain a cable to be accessed; and establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment. Therefore, the connection between the main line cable and the electrical equipment in the electrical cabinet is quickly established according to the correct phase sequence without spending a great deal of labor and damaging the cable cover.

Description

Auxiliary connection method and device for main line cable and electrical equipment
Technical Field
The invention relates to the technical field of well cable butt joint operation, in particular to an auxiliary connection method and device for a main line cable and electrical equipment.
Background
The main line cable is led out from the underground well and then needs to be connected with electrical equipment in the electrical cabinet according to the correct phase sequence, and the manufacturing (peeling and bending) operation of the main line cable connector can be carried out after the cable is laid, so that the main line cable is twisted after entering and exiting from the underground well in the construction process, and the situation that the phase sequence of the cable at the cable head section is not corresponding to the phase sequence of the electrical equipment in the electrical cabinet is caused.
In order to overcome the situation that the phase sequence of the cable does not correspond to the phase sequence of the electrical equipment in the electrical cabinet, the cable needs to be twisted by a certain angle, and the common practice of twisting the cable is as follows: 1. manual torsion is adopted, but because the cable diameter is large and the well operation working condition is narrow, the manual torsion is time-consuming and labor-consuming and is easy to rotate; 2. the twisting operation is carried out by means of a wood stick or a pipe wrench, but the problem that the twisting cannot be carried out in place exists due to the fact that a lever labor-saving tool is long, meanwhile, the cable skin is damaged easily, and the problem that the cable rotation cannot be locked after twisting is also caused. In addition, after the completion of the operation, a turning phenomenon is likely to occur when the cable connector is manufactured.
Disclosure of Invention
The invention provides an auxiliary connection method and device for a main line cable and electrical equipment, which are used for quickly establishing connection of the main line cable and the electrical equipment in an electrical cabinet according to a correct phase sequence under the condition that a great deal of labor is not required and the cable skin is not damaged by positioning the auxiliary main line cable and cutting the cable skin of the main line cable.
In a first aspect, an auxiliary connection method for a main line cable and an electrical device provided by an embodiment of the present invention includes:
determining a target main line cable from the cables in response to the connection request;
two-way screw rod retractors and cable screwing tools are additionally arranged on two sides of a shaft where the target main line cable is located;
fixing the positions of the target main line cable lock and the bidirectional screw rod telescopic device through the cable screwing tool;
the rotation of the target main line cable is realized by using a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence;
cutting off the cable skin of the target main line cable by using a peeling knife to obtain a cable to be accessed;
and establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment.
Optionally, a bidirectional screw rod expansion device and a cable screwing tool are additionally arranged on two sides of a hoistway where the target main line cable is located, and the method comprises the following steps:
extending the bidirectional screw rod telescopic device until two ends of the bidirectional screw rod telescopic device are propped against two sides of the hoistway;
and fixing the cable screwing tool on the bidirectional screw rod telescopic device.
Optionally, establishing the target connection between the main cable and the electrical device according to the phase sequence of the cable to be accessed and the phase sequence of the electrical device, including:
taking out the outer skin of the cable to be accessed, and cutting off the insulating material layer inside the cable to be accessed;
and respectively accessing the three wires of the cable to be accessed into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment, so as to establish the target connection.
Optionally, the rotating of the target main line cable is achieved by using a rotating wrench until the target main line cable corresponds to an electrical device in the electrical cabinet, and further includes:
and tightly fixing the tail parts of the rotary wrenches with the two ends of the double-wire screw rod telescopic devices respectively.
In a second aspect, an auxiliary connection device for a main line cable and an electrical device provided by an embodiment of the present invention includes:
a response module for determining a target main line cable from the cables in response to the connection request;
the adding module is used for adding a bidirectional screw rod expansion device and a cable screwing tool on two sides of a hoistway where the target main circuit cable is located;
the fixing module is used for fixing the positions of the target main line cable lock and the bidirectional screw rod telescopic device through the cable screwing tool;
the rotating module is used for realizing the rotation of the target main line cable by utilizing a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence;
the cutting module is used for cutting off the cable cover of the target main circuit cable by using a peeling knife to obtain a cable to be accessed;
and the connection module is used for establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment.
Optionally, the adding module includes:
the extension submodule is used for extending the bidirectional screw rod telescopic device until the two ends of the bidirectional screw rod telescopic device are propped against the two sides of the hoistway;
and the fixing sub-module is used for fixing the cable screwing tool on the bidirectional screw rod telescopic device.
Optionally, the connection module includes:
the cutting sub-module is used for taking out the outer skin of the cable to be accessed and cutting off the insulating material layer inside the cable to be accessed;
and the connection submodule is used for respectively connecting the three wires of the cable to be connected into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be connected and the phase sequence of the electrical equipment so as to establish the target connection.
Optionally, the method further comprises: and the tight fixing module is used for tightly fixing the tail part of the rotary spanner with the two ends of the double-wire screw rod telescopic device respectively.
In a third aspect, the present invention provides an electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which program or instruction when executed by the processor implements the steps of the method as described in the first aspect.
In a fourth aspect, the present invention provides a readable storage medium having stored thereon a program or instructions which when executed by a processor performs the steps of the method according to the first aspect.
From the above technical scheme, the invention has the following advantages:
the invention determines a target main line cable from cables by responding to a connection request; two-way screw rod retractors and cable screwing tools are additionally arranged on two sides of a shaft where the target main line cable is located; fixing the positions of the target main line cable lock and the bidirectional screw rod telescopic device through the cable screwing tool; the rotation of the target main line cable is realized by using a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence; cutting off the cable skin of the target main line cable by using a peeling knife to obtain a cable to be accessed; and establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment. The auxiliary main line cable is positioned and the cable skin of the main line cable is cut, so that the connection between the main line cable and the electrical equipment in the electrical cabinet is quickly established according to the correct phase sequence without spending a great deal of labor and damaging the cable skin.
Drawings
For a clearer description of embodiments of the invention or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, from which, without inventive faculty, other drawings can be obtained for a person skilled in the art;
FIG. 1 is a flow chart of steps of an embodiment of a power flow scheduling optimization method for a multi-terminal flexible direct current power distribution network;
fig. 2 is a schematic diagram of an application scenario of an embodiment of an auxiliary connection method for a main line cable and an electrical device according to the present invention;
fig. 3 is an auxiliary connection schematic diagram of a main line cable in an application scenario of an embodiment of an auxiliary connection method of the present invention;
FIG. 4 is a schematic view of the appearance of the bi-directional screw jack of the present invention;
FIG. 5 is a side elevational view of the bi-directional screw jack of the present invention;
FIG. 6 is a schematic illustration of a cable twisting tool according to the present invention;
FIG. 7 is a second schematic diagram of a cable twisting tool according to the present invention;
FIG. 8 is a schematic view of a cable tool attachment of the present invention;
FIG. 9 is a main line cable retention schematic of the present invention;
FIG. 10 is a schematic diagram of a cable access switch of the present invention;
fig. 11 is a schematic structural view of an auxiliary connection device for main line cable and electric equipment according to the present invention.
Detailed Description
The embodiment of the invention provides an auxiliary connection method and device for a main line cable and electrical equipment, which are used for quickly establishing connection of the main line cable and the electrical equipment in an electrical cabinet according to a correct phase sequence under the condition that a great deal of labor is not required and the cable skin is not damaged by positioning the auxiliary main line cable and cutting the cable skin of the main line cable.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a flow chart of steps of an embodiment of a power flow scheduling optimization method for a multi-terminal flexible dc power distribution network according to the present invention is shown, where the method includes:
s1, determining a target main line cable from cables in response to a connection request;
s2, arranging two-way screw rod retractors and cable screwing tools on two sides of a shaft where the target main line cable is located; the method specifically comprises the following steps:
s21, extending the bidirectional screw rod telescopic device until two ends of the bidirectional screw rod telescopic device are propped against two sides of the hoistway;
s22, fixing the cable screwing tool on the bidirectional screw rod telescopic device.
S3, fixing the positions of the target main line cable lock and the bidirectional screw rod telescopic device through the cable screwing tool;
s4, rotating the target main line cable by using a rotating wrench until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence;
in an alternative embodiment, the rotation of the target main line cable is achieved by using a rotation wrench until the target main line cable corresponds to an electrical device in an electrical cabinet, and further comprising:
and tightly fixing the tail parts of the rotary wrenches with the two ends of the double-wire screw rod telescopic devices respectively.
S5, cutting off the cable cover of the target main line cable by using a peeling knife to obtain a cable to be connected;
s6, establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment; the method specifically comprises the following steps:
s61, taking out the outer skin of the cable to be accessed, and cutting off the insulating material layer inside the cable to be accessed;
and S62, respectively connecting the three wires of the cable to be connected into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be connected and the phase sequence of the electrical equipment, so as to establish the target connection.
It should be noted that, in the embodiment of the present invention, an auxiliary connection method for a main line cable and an electrical device is implemented through computer instruction operation. The computer includes a mobile terminal capable of performing data processing, such as a mobile phone and a tablet computer, which is not limited herein.
In the embodiment of the invention, the computer needs to control tools such as a peeling knife, a cable and the like through instructions. The peeling knife consists of a compression wheel, a main body, a thread bush, a screw rod, a plum blossom handle, a power wheel, an auxiliary wheel, a ratchet wrench, a cutter replacing auxiliary device, a handle, a circular cutting cutter and a clockwise cutting tool, wherein the screwing tool consists of a cable inlet and outlet switch, an insulating plate, a main body, a bidirectional screw rod telescopic device fixing device, a movable joint screw rod and the like.
Referring to fig. 2, fig. 2 is a schematic diagram of an application scenario of an embodiment of an auxiliary connection method for a main line cable and an electrical device according to the present invention, wherein 1 is a point terminal, 2 is a hoistway, 3 is an electrical cabinet, 4 is a hoistway mouth, 5 is an auxiliary connection device, and 6 is a main line cable, the main line cable 6 stretched from the hoistway 2 to the hoistway mouth 4 is connected to the auxiliary connection step of the electrical device as mentioned above at the side of the hoistway mouth 4, so that the main line cable 6 is correspondingly connected to the electrical device of the electrical cabinet 3.
Referring to fig. 3, fig. 3 is an auxiliary connection schematic diagram of a main line cable in an application scenario of an auxiliary connection method embodiment of the present invention, wherein 51 is a rotating wrench, 52 is a peeling knife, 53 is a cable rotating tool, and 54 is a double-wire screw telescopic device, the main line cable 6 is fixed at a hoistway 4 through a bidirectional screw telescopic device 54, then the cable rotating tool 53 is used for fixing the main line cable 6, and then the peeling knife 52 is used for cutting the main line cable 6 after the main line cable 6 is tightly fixed by the rotating wrench 51.
Referring to fig. 4 and 5, fig. 4 is a schematic external view of a bi-directional screw rod telescopic device according to the present invention, fig. 5 is a side profile view of the bi-directional screw rod telescopic device according to the present invention, wherein 541 is a telescopic housing, 542a and 542b are screws on both sides, and a fixing point is provided for the main line cable 6 and the cable screwing tool by extending and retracting the screws 542a and 542b on the hoistway mouth 4.
Referring to fig. 6 and 7, fig. 6 is one of the structural diagrams of the cable screwing tool of the present invention, fig. 7 is the second structural diagram of the cable screwing tool of the present invention, wherein 531 is an insulating plate, 532 is a main body, 533 is a cable in-out switch, 534 is a claw nut, 535 is a fixed switch, 536 is a fixed seat, 537 is a movable joint screw and 538 claw nut. In a specific operation, the cable screwing tool 53 is fixed in the bidirectional screw jack 54 according to the cable screwing tool fixing schematic shown in fig. 8 by the fixing base 536 and the fixing switch 535, and then the cable in-out switch 533 is opened according to the main line cable fixing schematic shown in fig. 9, and the main line cable 6 is placed in the insulating plate 531, thereby completing the initial fixing of the main line cable 6.
Referring to fig. 10, fig. 10 is a schematic structural diagram of a cable access switch according to the present invention, in which 5331 is a magic tape, 5332 is a belt, in a specific operation, when the belt 5332 is not rotated again after being sleeved on the main circuit cable 6, the head of the rotating wrench 51 will fix the belt 5332 on the outer skin of the main circuit cable 6, so that the main circuit cable 6 cannot fall off or loose, and after the main circuit cable 6 is rotated, the magic tape 5331 winds the force application ends of the rotating wrench 51 around the two ends of the bidirectional screw retractors 54, so as to prevent the main circuit cable 6 from rotating.
In an embodiment of the present invention, a target main line cable is determined from among cables by responding to a connection request; two-way screw rod retractors and cable screwing tools are additionally arranged on two sides of a shaft where the target main line cable is located; fixing the positions of the target main line cable lock and the bidirectional screw rod telescopic device through the cable screwing tool; the rotation of the target main line cable is realized by using a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence; cutting off the cable skin of the target main line cable by using a peeling knife to obtain a cable to be accessed; and establishing target connection between the main cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment. The auxiliary main line cable is positioned and the cable skin of the main line cable is cut, so that the connection between the main line cable and the electrical equipment in the electrical cabinet is quickly established according to the correct phase sequence without spending a great deal of labor and damaging the cable skin.
To facilitate an understanding of the beneficial effects of the present invention by those skilled in the art, the following examples are given to illustrate specific operational steps of the present invention:
when a connection request is generated, the computer determines a target main line cable from the cables, and then sequentially performs the following steps by issuing an instruction to the execution robot, including: (1) installing a bidirectional screw rod telescopic device, which is specifically as follows: rotating the bidirectional telescopic device to enable the T heads at two sides to prop against the walls at two sides of the well; (2) Installing a cable screwing tool on the bidirectional screw rod telescopic device; (3) Installing a cable, particularly opening a rotary cable tool, and then loading the cable into the rotary cable tool; (4) The operation of repeatedly rotating the two rotating handles is utilized, three wires of the cable are rotated into sockets corresponding to the electric cabinets of the corresponding electric equipment, and the operation is specifically as follows: sleeving two rotary wrenches, alternately using rotary cables to enable the phase sequence of the cables to correspond to that of the electrical equipment, and then winding the rotary wrenches and the end parts of the two-way screw rod retractors together by using magic tapes, (in specific implementation, winding of the two-wire screw rod retractors and one end of the magic tape can be finished firstly, and then winding of the two-wire screw rod retractors and the other end of the magic tape can be finished); (5) Cutting the outer surface skin and the inner metal sheet of the cable by using a peeling knife, specifically: taking out the position of the peeling knife sleeved behind the front end of the cable by a section, then twisting the plum blossom handle, pushing the screw rod forwards, enabling the compression wheel, the power wheel and the auxiliary wheel to clamp the cable, and then rotating the peeling knife while rotating the plum blossom handle to enable the main line cable to be always in a clamping state; (6) The main line cable is connected into the electric cabinet according to the corresponding phase sequence, and the method specifically comprises the following steps: and (3) removing the outer skin, the metal shell and the insulating material completely until three wires are left, and then respectively inserting the three wires into corresponding electric cabinet sockets.
Referring to fig. 11, a schematic structural diagram of an auxiliary connection device for a main line cable and an electrical device according to the present invention is shown, including:
a response module 401 for determining a target main line cable from the cables in response to the connection request;
an adding module 402, configured to add a bidirectional screw rod expansion device and a cable screwing tool on two sides of a hoistway where the target main line cable is located;
a fixing module 403, configured to fix, by using the cable screwing tool, a position of the target main line cable lock and the bidirectional screw rod telescopic;
the rotating module 404 is configured to implement rotation of the target main line cable by using a rotating wrench until the target main line cable corresponds to an electrical device in the electrical cabinet;
a cutting module 405, configured to cut off the cable cover of the target main line cable with a peeling knife, so as to obtain a cable to be accessed;
and the connection module 406 is configured to establish a target connection between the main cable and the electrical device according to the phase sequence of the cable to be connected and the phase sequence of the electrical device.
In an alternative embodiment, the adding module 402 includes:
the extension submodule is used for extending the bidirectional screw rod telescopic device until the two ends of the bidirectional screw rod telescopic device are propped against the two sides of the hoistway;
and the fixing sub-module is used for fixing the cable screwing tool on the bidirectional screw rod telescopic device.
In an alternative embodiment, the connection module 406 includes:
the cutting sub-module is used for taking out the outer skin of the cable to be accessed and cutting off the insulating material layer inside the cable to be accessed;
and the connection submodule is used for respectively connecting the three wires of the cable to be connected into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be connected and the phase sequence of the electrical equipment so as to establish the target connection.
In an alternative embodiment, the method further comprises: and the tight fixing module is used for tightly fixing the tail part of the rotary spanner with the two ends of the double-wire screw rod telescopic device respectively.
The embodiment of the invention also provides an electronic device, which comprises a memory and a processor, wherein the memory stores an analysis machine program, and when the analysis machine program is executed by the processor, the processor executes the steps of the auxiliary connection method of the main circuit cable and the electrical device.
The embodiment of the invention also provides an analysis machine readable storage medium, on which an analysis machine program is stored, which when executed by the processor, implements the auxiliary connection method of the main line cable and the electrical device according to any one of the above embodiments.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments provided in the present application, it should be understood that the methods, apparatuses, electronic devices and storage media disclosed in the present application may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in an analyzer readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or partly in the form of a software product or all or part of the technical solution, which is stored in a readable storage medium, and includes several instructions for causing an analyzer device (which may be a personal analyzer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned readable storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An auxiliary connection method of a main line cable and an electrical device, comprising:
determining a target main line cable from the cables in response to the connection request;
two-way screw rod retractors and cable screwing tools are additionally arranged on two sides of a shaft where the target main line cable is located;
fixing the positions of the target main line cable and the bidirectional screw rod telescopic device through the cable screwing tool;
the rotation of the target main line cable is realized by using a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence;
cutting off the cable skin of the target main line cable by using a peeling knife to obtain a cable to be accessed;
and establishing target connection between the main line cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment.
2. The auxiliary connection method for main line cable and electric equipment according to claim 1, wherein a bidirectional screw rod expansion device and a cable screwing tool are additionally arranged at two sides of a shaft where the target main line cable is located, comprising:
extending the bidirectional screw rod telescopic device until two ends of the bidirectional screw rod telescopic device are propped against two sides of the hoistway;
and fixing the cable screwing tool on the bidirectional screw rod telescopic device.
3. The auxiliary connection method of a main line cable and an electrical device according to claim 1, wherein establishing a target connection of the main line cable and the electrical device according to a phase sequence of the cable to be accessed and a phase sequence of the electrical device comprises:
taking out the outer skin of the cable to be accessed, and cutting off the insulating material layer inside the cable to be accessed;
and respectively accessing the three wires of the cable to be accessed into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment, so as to establish the target connection.
4. The auxiliary connection method of a main line cable and an electrical device according to claim 1, wherein the rotation of the target main line cable is achieved by using a rotation wrench until the target main line cable corresponds to an electrical device in an electrical cabinet, further comprising:
and tightly fixing the tail parts of the rotary wrenches with the two ends of the bidirectional screw rod telescopic devices respectively.
5. An auxiliary connection device for a main line cable and an electrical device, comprising:
a response module for determining a target main line cable from the cables in response to the connection request;
the adding module is used for adding a bidirectional screw rod expansion device and a cable screwing tool on two sides of a hoistway where the target main circuit cable is located;
the fixing module is used for fixing the positions of the target main line cable and the bidirectional screw rod telescopic device through the cable screwing tool;
the rotating module is used for realizing the rotation of the target main line cable by utilizing a rotating spanner until the target main line cable corresponds to the electric equipment in the electric cabinet in phase sequence;
the cutting module is used for cutting off the cable cover of the target main circuit cable by using a peeling knife to obtain a cable to be accessed;
and the connection module is used for establishing target connection between the main line cable and the electrical equipment according to the phase sequence of the cable to be accessed and the phase sequence of the electrical equipment.
6. The auxiliary connection device for a main line cable and an electrical device according to claim 5, wherein the adding module comprises:
the extension submodule is used for extending the bidirectional screw rod telescopic device until the two ends of the bidirectional screw rod telescopic device are propped against the two sides of the hoistway;
and the fixing sub-module is used for fixing the cable screwing tool on the bidirectional screw rod telescopic device.
7. Auxiliary connection device of a main line cable with an electrical device according to claim 5, wherein the connection module comprises:
the cutting sub-module is used for taking out the outer skin of the cable to be accessed and cutting off the insulating material layer inside the cable to be accessed;
and the connection submodule is used for respectively connecting the three wires of the cable to be connected into the corresponding connector of the electrical equipment according to the phase sequence of the cable to be connected and the phase sequence of the electrical equipment so as to establish the target connection.
8. The auxiliary connection device for a main line cable and an electrical device according to claim 5, further comprising:
and the tight fixing module is used for tightly fixing the tail part of the rotary spanner with two ends of the bidirectional screw rod telescopic device respectively.
9. An electronic device comprising a processor and a memory storing analyzer readable instructions that when executed by the processor perform the method of any of claims 1-4.
10. A storage medium having stored thereon an analysis computer program which, when executed by a processor, performs the method of any of claims 1-4.
CN202111285239.4A 2021-11-01 2021-11-01 Auxiliary connection method and device for main line cable and electrical equipment Active CN113872121B (en)

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