CN112886465B - Integrated device and method for emergency repair of high-voltage cable lines - Google Patents
Integrated device and method for emergency repair of high-voltage cable lines Download PDFInfo
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- CN112886465B CN112886465B CN202110076913.1A CN202110076913A CN112886465B CN 112886465 B CN112886465 B CN 112886465B CN 202110076913 A CN202110076913 A CN 202110076913A CN 112886465 B CN112886465 B CN 112886465B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
The invention discloses an integrated device for rush-repair of a high-voltage cable line, which comprises a carriage body, a cable drum, a driving device, a tool room and a reducing joint main body, wherein a first connecting hole and a second connecting hole are respectively arranged at two ends of the reducing joint main body, the diameter of the first connecting hole is larger than that of the second connecting hole, the first connecting hole is communicated with the second connecting hole, and two cables can be respectively inserted into and connected with the first connecting hole and the second connecting hole. According to the integrated device for rush-repair of the high-voltage cable circuit, provided by the invention, the equipment is highly integrated, the reducing joint main body capable of being flexibly transferred is configured, the connection of a large-section cable and a small-section rush-repair cable on site can be met, and the application range is wide.
Description
Technical Field
The invention relates to the field of cable rush-repair equipment, in particular to an integrated device and method for rush-repair of a high-voltage cable line.
Background
The power cable system is a main form of urban power supply, and cable lines often fail due to road collapse, tunnel fire, natural disasters and the like. In order to effectively and rapidly recover local faults of the power cable, avoid accidents such as large-area power failure and the like caused by damage of the cable and equipment, a cable is generally temporarily laid beside a path of an original fault cable to replace the fault cable in the original cable way, and the purpose of recovering the temporary power supply of the cable way in the shortest time is achieved, so that the power cable has temporary power supply operation capability.
The current construction of the high-voltage cable line rush-repair is mainly carried out by temporarily taking the cable by constructors to replace the fault line, the cable needs to be temporarily manufactured on site, the required time is long, the integration level of equipment is low, multiple departments are required to coordinate and allocate related materials and equipment to perform the rush-repair, the flexibility is low, the rush-repair time is long, the efficiency is low, the condition that cables with different sections are connected with each other is frequently encountered, for example, when the cable is rush-repaired, the types of the cable and the fault cable, the insulation outer diameter and the like can be different.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the integrated device and the integrated method for rush-repair of the high-voltage cable circuit, which have the advantages of high equipment integration, high construction efficiency, labor cost reduction, and wide application range, and can meet the connection of a large-section cable and a small-section rush-repair cable on site by being provided with the reducing joint main body capable of being flexibly transferred.
The integrated device for rush-repair of the high-voltage cable comprises a box body, a cable drum, a tool room, a reducing joint body and a reducing joint body, wherein the cable drum is arranged at the front part of the box body and is used for winding a rush-repair cable, the cable drum is connected with a driving device, the driving device is used for driving the cable drum to rotate so as to spread or recycle the rush-repair cable, the tool room is arranged at the rear part of the box body and comprises a generator unit room and a tool cabin, the generator unit room is arranged at the front part of the tool room and is internally provided with a generator unit so as to provide power, the tool cabin is arranged at the rear part of the tool room, the reducing joint body is respectively provided with a first connecting hole and a second connecting hole at two ends, the diameter of the first connecting hole is larger than that of the second connecting hole, the first connecting hole is communicated with the second connecting hole, and the two cables can be respectively inserted into the first connecting hole and the second connecting hole and are connected.
The integrated device for rush-repair of the high-voltage cable circuit has the advantages that the cable drum and the tool room are arranged in the box body, the box body is integrated, the transfer is convenient, the flexibility is high, the generator set driving device drives the cable drum to spread and release the rush-repair cable, the fault cable plug is inserted into the first connecting hole, the fault cable plug is inserted into the second connecting hole, the fault cable and the rush-repair cable are connected, and the circuit can be conducted. The reducing joint body can meet the requirements of on-site large-section cables and small-section emergency repair cables and different lines.
According to some embodiments of the invention, the cable tray is provided with a plurality of spaced plug placement slots.
According to some embodiments of the invention, the plug head placement groove divides the cable tray into a first cable tray, a second cable tray and a third cable tray, and the first cable tray, the second cable tray and the third cable tray are respectively wound by cables with different specifications.
According to some embodiments of the invention, a movable support is arranged in the tool cabin, a wheel set is arranged at the bottom of the movable support, a support is arranged on the movable support, and the reducing joint main body is fixed on the support.
According to some embodiments of the invention, the tool cabin is further provided with a same-diameter extension joint main body, the same-diameter extension joint main body is arranged on the movable support through the support, a third connecting hole is formed in the middle of the same-diameter extension joint main body in a penetrating mode, and two cables can be inserted into and connected with two ends of the third connecting hole respectively.
According to some embodiments of the invention, the end of the main body of the reducing joint is detachably connected with a supporting sleeve, the middle of the supporting sleeve is provided with a through hole matched with the cable for the cable to pass through, and the supporting sleeves are provided with through holes with different diameters for installing the cables with different diameters.
According to some embodiments of the invention, the support sleeve comprises a connecting end and a support end, wherein the support end is arranged on one side of the connecting end and extends along the axial direction of the through hole, the connecting end is connected with the end of the reducing joint body through a screw, and the support end can extend into the first connecting hole or the second connecting hole.
According to some embodiments of the invention, a cable clamp body is arranged on one side of a reducing joint main body, the cable clamp body comprises an upper clamp body and a lower clamp body, the upper clamp body and the lower clamp body are respectively provided with an opening, opening flaring is opposite, two openings enclose a mounting opening for a cable to pass through, and the upper clamp body is arranged above the lower clamp body and can lift relative to the lower clamp body to clamp the cable.
According to some embodiments of the invention, the opening is V-shaped, and the size of the mounting opening varies as the upper clamp body is lifted, so as to clamp cables with different diameters.
According to the emergency repair method based on the integrated device for emergency repair of the high-voltage electric cable, the integrated device is transferred to a construction site by means of advanced treatment of two ends of the emergency repair cable, a generator set is started, a driving device is started to drive a cable drum to rotate, the emergency repair cable is placed in place, two ends of a fault cable are treated on site at the same time, the fault cable is connected with the emergency repair cable through a reducing connector main body or a same-diameter lengthening connector main body and is conducted, temporary power supply is started, the cable line is recovered, and the integrated device is evacuated.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an installation structure of a cable drum and a repair cable in an embodiment of the invention;
FIG. 2 is a schematic structural view of a cable drum;
FIG. 3 is a schematic view of the mounting structure of the tool room;
FIG. 4 is a top view of the tool chamber;
FIG. 5 is a schematic view of the mounting structure of the reducer union body and the movable bracket;
FIG. 6 is a cross-sectional view of the reducer union body;
FIG. 7 is a schematic view of the mounting structure of the same diameter extension joint body and the movable bracket;
FIG. 8 is a schematic view of the structure of the cable clamp;
FIG. 9 is a front view of the cable clamp body;
FIG. 10 is a schematic view of a cable plug;
FIG. 11 is a schematic view of the mounting structure of the cable tray chamber and the base;
FIG. 12 is a schematic view of the mounting structure of the base and cable drum;
FIG. 13 is a flow chart of an emergency repair method of an integrated device for emergency repair of high voltage cable lines.
Reference numerals:
Cable reel chamber 1000, cable reel 1100, plug head placement groove 1110, first cable reel 1120, second cable reel 1130, third cable reel 1140, base 1150, drive device 1200, audible-visual annunciator 1300, cable plug 1400, protective cover 1410, and traction assembly 1420;
tool room 2100, genset room 2110, genset 2111, tool bay 2120, crane 2121, shelf 2122, tailpipe box 2123, accessory box 2124, cable anti-press plate 2125, tool box 2126;
The reducer union body 2200, the first connection hole 2210, the second connection hole 2220, the support sleeve 2230, the through hole 2231, the connection end 2232, and the support end 2233;
The cable clamp comprises a movable support 2300, a support 2310, a hoop 2311, a first screw 2312, a wheel set 2320, a cable clamp body 2330, an upper clamp body 2331, a lower clamp body 2332, a mounting port 2333, a second screw 2334, a lower clamping part 2335, a lower base 2336, a yielding structure 2337, a guide rod 2338 and the same-diameter extension joint body 2400.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, an integrated device for rush-repair of a high voltage cable line according to an embodiment of the present invention includes a carriage body, a cable drum 1100, a tool room 2100, and a reducing joint body 2200.
The cable drum 1100 is arranged in the cable drum chamber 1000, the cable drum chamber 1000 is positioned at the front part of the carriage body, the cable drum 1100 is used for winding a first-aid repair cable, two ends of the first-aid repair cable are connected with cable plug heads 1400, two ends of the first-aid repair cable are connected with the cable plug heads 1400 in advance, the cable drum 1100 can be directly put into first-aid repair use, the time for recovering power supply of a cable line is shortened, more time is provided for searching for a subsequent fault point, the cable drum 1100 is connected with a driving device 1200, and the driving device 1200 is used for driving the cable drum 1100 to rotate so as to spread or recover the first-aid repair cable.
Referring to fig. 1, an audible and visual alarm 1300 is disposed in the box body, and when the emergency repair cable is deployed or recovered, the audible and visual alarm 1300 is started to warn construction personnel that the equipment is working. Referring to fig. 11 to 12, the cable drum 1000 is connected to the base 1150 by bolts, the bolts are removed during construction, the carriage is lifted up to spread or recover the repair cable, and the entire cable drum 1000 can be removed after the repair cable is spread, so that the occupied site is avoided.
The tool compartment 2100 includes a generator compartment 2110 and a tool compartment 2120, the generator compartment 2110 being provided in the front of the tool compartment 2100, a generator 2111 being provided in the generator compartment 2110 to provide power for the invention, and the tool compartment 2120 being provided in the rear of the tool compartment 2100.
The sub body 2200 is mounted in the tool cabin 2120 by a support 2310, and the sub body 2200 can be used for connecting a repair cable and a fault cable and is applicable to the case that the diameters of the repair cable and the fault cable are different. Referring to fig. 6, the reducing joint body 2200 is provided at both ends thereof with a first connection hole 2210 and a second connection hole 2220, respectively, the first connection hole 2210 has a diameter larger than that of the second connection hole 2220, and the first connection hole 2210 communicates with the second connection hole 2220, and two cables can be inserted from the first connection hole 2210 and the second connection hole 2220, respectively, and connected.
Referring to fig. 2, in some embodiments of the present invention, a plurality of spaced plug placement slots 1110 are provided on the cable tray 1100 for placement of the cable plug 1400.
Specifically, referring to fig. 10, a protecting cover 1410 is sleeved on the cable plug, the protecting cover 1410 is used for protecting a protecting cover 1410 of parts such as a stress cone inside the cable plug, and one end of the protecting cover 1410 is connected with a traction component 1420, so that a worker can pull the cable for repair.
In a further embodiment of the present invention, the plug head placement groove 1110 is an annular groove, the plug head placement groove 1110 divides the cable tray 1100 into a first cable tray 1120, a second cable tray 1130 and a third cable tray 1140, the first cable tray 1120, the second cable tray 1130 and the third cable tray 1140 are respectively wound by repair cables with different specifications, and the repair cables can be simultaneously or not simultaneously deployed according to the field requirement, so that the preparation time of the repair cables is reduced, and the construction efficiency is improved.
In this embodiment, the first cable drum 1120 is wound with a repair cable with a length of 30 meters, the second cable drum 1130 is wound with a repair cable with a length of 60 meters, and the third cable drum 1140 is wound with a repair cable with a length of 90 meters, so that the repair cables with different lengths can be selected for construction according to field requirements, thereby avoiding resource waste.
Referring to fig. 5, in some embodiments of the present invention, a movable frame 2300 is provided in a tool compartment 2120, a wheel set 2320 is provided at the bottom of the movable frame 2300, and a support 2310 is provided on the movable frame 2300. The reducer union body 2200 is fixed to the mount 2310, and the movable bracket 2300 is provided because the reducer union body 2200 is heavy, so that the reducer union body 2200 can be supported, fixed, transported, and the like. The movable bracket 2300 can flexibly move through the wheel set 2320, so that the reducing joint main body 2200 can be conveniently transferred to a construction site, and the wheel set 2320 has a self-locking function, so that the movable bracket 2300 can be fixed through self-locking.
The reducer union body 2200 can meet the connection of a large-section cable and a small-section rush-repair cable on site and meet the use requirements of different lines. The reducing connector is transferred from the tool cabin 2120 to the construction site through the movable support 2300, the fault cable plug 1400 is inserted into the first connecting hole 2210 through the self-locking fixation of the wheel set 2320, the first-aid repair cable plug 1400 is inserted into the second connecting hole 2220, the fault cable is connected with the first-aid repair cable through the screw, and the circuit can be conducted.
Referring to fig. 5, the upper portion of the support 2310 is a hoop 2311, the two supports 2310 are arranged side by side, and a distance between the two supports 2310 is smaller than a length of the reducing joint body 2200, and the reducing joint body 2200 is penetrated between the two hoops 2311 and locked by a first screw 2312 to achieve fixation of the reducing joint body 2200.
Referring to fig. 7, in a further embodiment of the present invention, the tool compartment 2120 further includes a common-diameter extension joint body 2400, where the common-diameter extension joint body 2400 is mounted on the movable bracket 2300 by a support 2310, and the common-diameter extension joint body 2400 is threaded between two anchor ears 2311 and locked by a first screw 2312 to achieve fixation of the common-diameter extension joint body 2400. The middle part of the same-diameter extension joint main body 2400 is penetrated and provided with a third connecting hole, and two cables with the same diameter can be respectively inserted from two ends of the third connecting hole to realize connection. The same-diameter extension joint body 2400 can also be used for connection between a repair cable and a repair cable, so that the cable length is prolonged.
Specifically, referring to fig. 3 to 4, a shelf 2122 is provided in the tool compartment 2120, and the reducing joint body 2200 and the movable bracket 2300 are provided in the shelf 2122. The shelf 2122 is further provided with a tail pipe box 2123, an accessory box 2124, a cable anti-pressing plate 2125 and a tool box 2126, wherein the tail pipe box 2123 is used for storing tail pipes, the accessory box 2124 is used for storing accessories required by rush repair construction, the cable anti-pressing plate 2125 is used for road construction and can enable road vehicles to pass through and prevent cables from being damaged, and tools for processing the cables are arranged in the tool box 2126.
Referring to fig. 3, a crane 2121 is provided on top of the inner cavity of the tool cabin 2120, and the crane 2121 is provided with driving force by a generator set 2111 for hoisting or transferring materials. The crane 2121 can be a telescopic arm type suspension arm, the crane 2121 comprises a cantilever and an electric hoist for hoisting objects, the cantilever is formed by a plurality of sections of stretching arms which are sleeved in sequence, the electric hoist is mounted at the top of the tool cabin 2120 along the length direction of the tool cabin 2120 and can extend outwards of the carriage, the electric hoist is mounted on the cantilever in a sliding manner, and the crane 2121 can carry heavy objects in the tool cabin 2120 to the ground, so that the labor intensity is reduced, and the construction efficiency is improved.
Since the apertures of the first connection hole 2210 and the second connection hole 2220 are fixed, and there may be a case where the cable has a smaller diameter in actual operation, at this time, after the cable is inserted into the first connection hole 2210 or the second connection hole 2220, loosening may occur, which affects the conduction of the circuit. Thus, referring to fig. 6, in some embodiments of the invention, the end of the sub body 2200 may be removably coupled with a support sleeve 2230, particularly by a screw connection, for ease of replacement. The middle part of the supporting sleeve 2230 is provided with a through hole 2231 matched with the cable (the diameter of the cable is the same as that of the through hole 2231) so as to enable the cable to pass through, and the cable is prevented from shaking in the first connecting hole 2210 or the second connecting hole 2220 to cause disconnection of the circuit. The supporting sleeves 2230 with different specifications have through holes 2231 with different diameters, and the supporting sleeves 2230 can be replaced according to the requirements during site construction so as to install cables with different diameters.
In a further embodiment of the present invention, the supporting sleeve 2230 includes a connection end 2232 and a supporting end 2233, the supporting end 2233 is disposed at one side of the connection end 2232 and extends along the axial direction of the through hole 2231, the connection end 2232 is connected to the end of the reducer union body 2200 by a screw, and the supporting end 2233 can extend into the first connection hole 2210 or the second connection hole 2220.
Referring to fig. 5 and 8, in some embodiments of the present invention, a cable clamp 2330 is provided at one side of the sub body 2200, and in this embodiment, the cable clamp 2330 is mounted on the movable bracket 2300 and is disposed in the axial direction of the sub body 2200. The cable clamp 2330 comprises an upper clamp 2331 and a lower clamp 2332, wherein the upper clamp 2331 and the lower clamp 2332 are respectively provided with an opening, the opening flares are opposite, the two openings enclose a mounting opening 2333 for a cable to pass through, and the upper clamp 2331 is arranged above the lower clamp 2332 and can be lifted relative to the lower clamp 2332 to clamp the cable.
Specifically, referring to fig. 8, the lower clamp 2332 includes a lower clamp 2335 and a lower base 2336, the lower clamp 2335 is connected to an upper surface of the lower base 2336, an opening with an upward flaring is provided on the lower clamp 2335, an opening with a downward flaring is provided on the upper clamp 2331, and a yielding structure 2337 is provided on the upper clamp 2331 at a position corresponding to the lower clamp 2335, and when the upper clamp 2331 descends relative to the lower clamp 2332, the lower clamp 2335 can extend into the yielding structure 2337.
Referring to fig. 8 to 9, a second screw 2334 is screwed to the upper clamp 2331, a screw hole is provided to the lower clamp 2332, the second screw 2334 is screwed to the lower clamp 2332 through the upper clamp 2331, and a distance between the upper clamp 2331 and the lower clamp 2332 can be adjusted by screwing the second screw 2334.
Specifically, in this embodiment, the lower clamp 2332 is provided with a guide rod 2338, one side of the upper clamp 2331 facing the lower clamp 2332 is provided with a guide groove correspondingly matched with the guide rod 2338, and the guide rod 2338 extends into the guide groove and can slide in the guide groove to provide a guiding function for lifting of the upper clamp 2331.
In a further embodiment of the present invention, the opening is V-shaped, the upper clamp 2331 is lowered relative to the lower clamp 2332 to clamp the cable in a manner of approaching the upper clamp 2332, and the size of the mounting opening 2333 is changed along with the lifting of the upper clamp 2331 to clamp the cable with different diameters.
Referring to fig. 13, an emergency repair method based on the integrated device for emergency repair of a high voltage cable line according to the second aspect of the present invention includes the steps of handling both ends of the emergency repair cable in advance, transferring the integrated device to a construction site, starting a generator set 2111, starting a driving device 1200 to drive a cable drum 1100 to rotate, spreading the emergency repair cable in place, handling both ends of a fault cable on site simultaneously, connecting and conducting the fault cable with the emergency repair cable through a reducing joint body 2200 or a same-diameter extension joint body 2400, starting temporary power supply, completing cable line restoration, evacuating the integrated device, and supplementing fittings in the integrated device for next construction.
Referring to fig. 1 to 12, cable plug heads 1400 are connected to both ends of a repair cable in advance, an integrated device is transferred to a construction site, bolts are removed, a carriage is lifted, a generator set 2111 is started, a driving device 1200 drives a cable drum 1100 to spread the repair cable, a cable drum 1000 is removed after the repair cable is spread, the generator set 2111 drives a crane 2121 to transfer materials in a tool cabin 2120 to the ground, a reducing joint body 2200 (or a same-diameter extension joint body 2400) is transferred from the tool cabin 2120 to the construction site through a movable bracket 2300, one ends of a fault cable and the repair cable are respectively inserted into both ends of the reducing joint body 2200 (or the same-diameter extension joint body 2400) and connected, the other ends of the fault cable and the repair cable pass through mounting holes 2333 on a cable clamp 2330, and a second screw 2334 is screwed, so that a distance between the upper clamp 2331 and a lower clamp 2332 is adjusted to clamp the cable.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (5)
1. An integrated device for rush-repair of a high-voltage cable line, comprising:
a carriage body;
The cable drum (1100) is arranged at the front part of the carriage body, the cable drum (1100) is used for winding up a repair cable, two ends of the repair cable are connected with cable plug heads (1400), a protective cover (1410) is sleeved on the cable plug heads (1400), the protective cover (1410) is used for protecting parts inside the cable plug heads (1400), one end of the protective cover (1410) is connected with a traction component (1420) for a worker to traction the repair cable, the cable drum (1100) is connected with a driving device (1200), and the driving device (1200) is used for driving the cable drum (1100) to rotate so as to spread or recycle the repair cable;
The tool room (2100) is arranged at the rear part of the carriage body, the tool room (2100) comprises a generator set room (2110) and a tool cabin (2120), the generator set room (2110) is arranged at the front part of the tool room (2100), a generator set (2111) is arranged in the generator set room (2110) so as to provide power, and the tool cabin (2120) is arranged at the rear part of the tool room (2100);
the reducing joint comprises a reducing joint main body (2200), wherein a first connecting hole (2210) and a second connecting hole (2220) are respectively arranged at two ends of the reducing joint main body, the diameter of the first connecting hole (2210) is larger than that of the second connecting hole (2220), the first connecting hole (2210) is communicated with the second connecting hole (2220), and two cables can be respectively inserted into and connected with the first connecting hole (2210) and the second connecting hole (2220);
The end part of the reducing joint main body (2200) is detachably connected with a supporting sleeve (2230), a through hole (2231) matched with a cable is formed in the middle of the supporting sleeve (2230) for the cable to pass through, a plurality of supporting sleeves (2230) are provided with the through holes (2231) with different diameters for installing the cables with different diameters, the supporting sleeve (2230) comprises a connecting end (2232) and a supporting end (2233), the supporting end (2233) is arranged on one side of the connecting end (2232) and extends along the axial direction of the through hole (2231), the connecting end (2232) is connected with the end part of the reducing joint main body (2200) through screws, and the supporting end (2233) can extend into the first connecting hole (2210) or the second connecting hole (2220);
The cable clamp comprises a reducing joint main body (2200), wherein one side of the reducing joint main body is provided with a cable clamp body (2330), the cable clamp body (2330) comprises an upper clamp body (2331) and a lower clamp body (2332), the upper clamp body (2331) and the lower clamp body (2332) are respectively provided with an opening, the opening flares are opposite, two openings enclose a mounting opening (2333) through which a cable passes, the upper clamp body (2331) is arranged above the lower clamp body (2332) and can be lifted relative to the lower clamp body (2332) to clamp the cable, a second screw (2334) is connected to the upper clamp body (2332) in a threaded manner, the second screw (2334) penetrates through the upper clamp body (2331) to be in threaded manner with the lower clamp body (2332), and the distance between the upper clamp body (2331) and the lower clamp body (2332) can be adjusted by screwing the second screw (2334);
A plurality of separated plug head placing grooves (1110) are formed in the cable drum (1100);
The plug head placing groove (1110) divides the cable drum (1100) into a first cable drum (1120), a second cable drum (1130) and a third cable drum (1140), and cables with different lengths are respectively wound on the first cable drum (1120), the second cable drum (1130) and the third cable drum (1140).
2. The integrated device for rush-repair of high-voltage cable lines according to claim 1, wherein a movable support (2300) is arranged in the tool cabin (2120), a wheel set (2320) is arranged at the bottom of the movable support (2300), a support (2310) is arranged on the movable support (2300), and the reducing joint main body (2200) is fixed on the support (2310).
3. The integrated device for rush-repair of a high-voltage cable circuit according to claim 2, wherein the tool cabin (2120) is internally provided with a same-diameter extension joint body (2400), the same-diameter extension joint body (2400) is mounted on the movable support (2300) through a support (2310), a third connecting hole is formed in the middle of the same-diameter extension joint body (2400) in a penetrating mode, and two cables can be inserted into and connected with two ends of the third connecting hole respectively.
4. The integrated device for rush-repair of a high-voltage cable circuit according to claim 1, wherein the opening is V-shaped, and the size of the mounting opening (2333) is changed along with the lifting of the upper clamp body (2331) so as to clamp cables with different diameters.
5. An emergency repair method based on the integrated device for emergency repair of a high-voltage electric cable circuit according to claim 3 is characterized by comprising the following steps:
the two ends of the rush-repair cable are treated in advance, and the integrated device is transferred to a construction site;
Starting the generator set (2111), starting the driving device (1200) to drive the cable drum (1100) to rotate, and expanding the repair cable in place;
simultaneously processing two ends of a fault cable on site;
connecting and conducting the fault cable with the repair cable through the reducing joint main body (2200) or the same-diameter lengthening joint main body (2400) to start temporary power supply;
And (5) completing cable line recovery, and evacuating the integrated device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110076913.1A CN112886465B (en) | 2021-01-20 | 2021-01-20 | Integrated device and method for emergency repair of high-voltage cable lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110076913.1A CN112886465B (en) | 2021-01-20 | 2021-01-20 | Integrated device and method for emergency repair of high-voltage cable lines |
Publications (2)
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| CN207150093U (en) * | 2017-06-26 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of waterproof junction box for being used for not synteny |
| CN210707090U (en) * | 2019-07-17 | 2020-06-09 | 长缆电工科技股份有限公司 | High-voltage power cable emergency repair equipment |
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| CN212063460U (en) * | 2020-05-27 | 2020-12-01 | 青岛华迈电缆有限公司 | Convenient cable connector |
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| US6790081B2 (en) * | 2002-05-08 | 2004-09-14 | Corning Gilbert Inc. | Sealed coaxial cable connector and related method |
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| CN203800553U (en) * | 2014-03-25 | 2014-08-27 | 陈永仁 | Intermediate connection structure of high-voltage cable |
| CN207150093U (en) * | 2017-06-26 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of waterproof junction box for being used for not synteny |
| CN210707090U (en) * | 2019-07-17 | 2020-06-09 | 长缆电工科技股份有限公司 | High-voltage power cable emergency repair equipment |
| CN212063460U (en) * | 2020-05-27 | 2020-12-01 | 青岛华迈电缆有限公司 | Convenient cable connector |
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