CN216251936U - Electrified quick repair tools of overhead earth wire broken strand - Google Patents

Electrified quick repair tools of overhead earth wire broken strand Download PDF

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Publication number
CN216251936U
CN216251936U CN202122800151.3U CN202122800151U CN216251936U CN 216251936 U CN216251936 U CN 216251936U CN 202122800151 U CN202122800151 U CN 202122800151U CN 216251936 U CN216251936 U CN 216251936U
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China
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wire
gear
seat
ground wire
screw rod
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CN202122800151.3U
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Chinese (zh)
Inventor
夏增明
王振宇
胡康
许文韬
徐溧
蒋智鹏
曾文远
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State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
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State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
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Application filed by State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch, State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd filed Critical State Grid Hunan Electric Power Co ltd Power Transmission Overhaul Branch
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Abstract

The utility model discloses an electrified quick repair tool for an overhead ground wire broken strand, which comprises three mechanisms of a rotary drive mechanism, a ground wire clamping mechanism and an aluminum stranded wire pressing mechanism; the rotary driving mechanism is a gear reducer; the ground wire clamping mechanism comprises a screw rod sliding block assembly and elastic roller assemblies, and the two groups of elastic roller assemblies are respectively connected with two sliding blocks on the screw rod; an upper wire gear of the rotary driving mechanism is connected with a fixed seat of the screw rod sliding block assembly, and the axial center line of the upper wire gear is collinear with the center line of the space between the two groups of rollers; the aluminum stranded wire pressing mechanism comprises a stranded wire rotary table, a winch mounting seat and a wire pressing wheel, the winch mounting seat is fixed at the upper end of the elastic roller wheel component, the stranded wire rotary table is fixed on the winch mounting seat, the wire pressing wheel is horizontally arranged above the outer side of the upper side roller wheel, and the inner end of a wheel shaft of the wire pressing wheel is fixed on the elastic roller wheel component; the ground wire is arranged on the axial central line of the on-line gear, the aluminum stranded wire is pulled to the lower part of the wire pressing wheel, the two groups of elastic roller assemblies clamp the ground wire, and the rotary driving mechanism works to enable the aluminum stranded wire to be wound on the ground wire.

Description

Electrified quick repair tools of overhead earth wire broken strand
Technical Field
The utility model belongs to the field of power transmission line maintenance, and particularly relates to an electrified rapid repairing tool for an overhead ground wire broken strand.
Background
The transmission line refers to a power line connected from a power plant to a substation and between the substation and the substation, and is generally divided into three voltage levels of 35 kv, 110 kv and 220 kv. The transmission line carries the electric energy to the transformer substation, then steps down from the transformer substation and becomes the distribution lines that enterprise and public institution and resident used, and the transmission line will influence the power supply of whole transformer substation in case of having a power failure to cause the emergence of large tracts of land power failure accident, consequently, the transmission line plays crucial effect in power supply enterprise.
The overhead ground wire is also called a lightning conductor, and is a steel strand twisted by a plurality of steel wires, and the steel strand is arranged at the topmost end of an overhead transmission line tower, plays a role in lightning protection on a power line, and avoids the occurrence of line power failure accidents caused by lightning strike on the wire. Because the overhead ground wire is formed by twisting a plurality of strands of steel wires, if one or more of the strands is broken, the broken strand is called.
The transmission line is exposed in the field all the year round, and is influenced by a plurality of factors such as lightning stroke, rain, ice coating and the like, so that faults are easily generated to cause the corrosion of the overhead ground wire and the strand breakage of the overhead ground wire. When the overhead ground wire is seriously corroded or has a strand breakage condition, if the overhead ground wire cannot be eliminated in time, the overhead ground wire can be broken, and even the power failure accident of the power transmission line can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe, efficient, energy-saving and environment-friendly tool for quickly repairing broken strands of overhead ground wires in an electrified manner.
The utility model provides an electrified rapid repair tool for an overhead ground wire broken strand, which comprises a rotary driving mechanism, a ground wire clamping mechanism and an aluminum stranded wire pressing mechanism; the rotary driving mechanism is a gear reducer; the ground wire clamping mechanism comprises a screw rod sliding block assembly and elastic roller assemblies, the screw rod sliding block mechanism is vertically arranged, two sliding blocks are arranged on a screw rod of the screw rod sliding block mechanism, and the two groups of elastic roller assemblies are respectively connected with the sliding blocks; an upper thread gear of the rotary driving mechanism is connected with a fixed seat of the screw rod sliding block mechanism, and the axial center line of the upper thread gear is collinear with the center line of the space between the two groups of rollers; the aluminum stranded wire pressing mechanism comprises a stranded wire rotary table, a winch mounting seat and a wire pressing wheel, the winch mounting seat is fixed at the upper end of the elastic roller wheel component, the stranded wire rotary table is fixed on the winch mounting seat, the wire pressing wheel is horizontally arranged above the outer side of the upper side roller wheel, and the inner end of a wheel shaft of the wire pressing wheel is fixed on the elastic roller wheel component; the ground wire to be repaired is arranged on the axial center line of the wire feeding gear of the rotary driving mechanism, the wire end of the aluminum stranded wire is pulled to the lower part of the wire pressing wheel, the clamping of the two groups of elastic roller assemblies on the ground wire is realized through the lead screw slider mechanism, the rotation of the ground wire clamping mechanism around the ground wire is realized through the rotary driving mechanism, and the aluminum stranded wire is wound on the ground wire.
In one embodiment of the above technical solution, the rotation driving mechanism includes a housing, a driving gear, a driven gear and an upper line gear; the driving gear, the driven gear and the upper line gear are all external gears; the upper line gear comprises a C-shaped rotating body and an opening and closing body hinged to the opening of the C-shaped rotating body, the thickness of the opening and closing body is half of that of the C-shaped rotating body, the opening and closing body and the rotating body can form an integral gear in a surrounding mode, and two ends of the C-shaped rotating body are symmetrically connected with C-shaped rings; the driving gear, the driven gear and the upper line gear are arranged in a row, the driving gear and the driven gear are packaged in the shell and are respectively connected with the shell through a wheel shaft and a bearing, and one end of the wheel shaft of the driving gear is provided with a polygonal prism section extending out of the shell; the position of the shell corresponding to the C-shaped ring connected with the upper line gear is provided with a corresponding C-shaped groove, and the C-shaped ring is embedded in the C-shaped groove.
In one embodiment of the above technical scheme, the fixing seat of the screw rod sliding block assembly comprises two horizontal plates and a vertical plate between the two horizontal plates, the spiral turning directions of the upper section and the lower section of the screw rod are opposite, the two ends of the screw rod are connected to the fixing seat through a bearing and a bearing seat, and the lower end of the screw rod extends out of the fixing seat and is connected with an adjusting ring.
In one embodiment of the above technical solution, guide rods are symmetrically connected between the horizontal plates corresponding to two sides of the screw rod.
In an embodiment of the above technical solution, the elastic roller assembly includes a clamping seat, a limiting seat, a spring, a roller seat and the roller, two ends of the spring are respectively fixed to the roller seat of the limiting seat, the roller has a pair of rollers along the axial direction of the line gear, their axles are installed on the limiting seat, and the limiting seat is fixed to the bottom of the inner cavity of the clamping seat.
In one embodiment of the above technical scheme, the two groups of elastic roller assemblies are arranged in a manner that the rollers are vertically symmetrical, and the clamping seats of the two groups of elastic roller assemblies are respectively connected with the sliding blocks on the screw rod.
In an embodiment of the above technical solution, the winch mounting seat is fixed to an upper end of the upper elastic roller assembly, and the wire twisting turntable is fixed to the winch mounting seat and then located right above the roller.
In one embodiment of the above technical scheme, the wire pressing wheel is a multi-wire grooved wheel, and the inner end of the wheel shaft of the wire pressing wheel is fixed on the outer side of the limiting seat of the upper elastic roller assembly.
In one embodiment of the above technical scheme, a guide seat is arranged outside the wire pressing wheel, the outer end of the wheel shaft of the wire pressing wheel is fixed on the guide seat, and the guide seat is fixed on the clamping seat.
The working principle of the tool is as follows: before use, the wire end of the aluminum stranded wire on the stranded wire turntable is led out to penetrate through the guide seat, and is arranged below the wire pressing wheel, and the wire end is folded into a state parallel to the ground wire. The adjusting ring at the lower end of the screw rod is rotated to increase the distance between the two groups of elastic rolling assemblies, and the combinable body of the upper thread gear is opened firstly. When the ground wire is fed, the C-shaped rotating body of the feeding gear of the tool is sleeved near the part to be repaired on the ground wire through the insulating operating rod, and the adjusting ring at the lower end of the screw rod is reversely rotated through the insulating operating rod, so that the rollers of the two groups of elastic roller assemblies clamp the ground wire up and down. Because the wheel shaft of the wire pressing wheel is fixed on the limiting seat of the upper elastic roller component, when the upper elastic roller component moves downwards, the wire head of the aluminum stranded wire led out previously is pressed on the position to be repaired on the ground wire through the wire pressing wheel, and the ground wire is positioned on the axial central line of the wire feeding gear at the moment. The driving gear is rotated by the insulating operating rod to extend out of the polygonal prism section outside the shell, so that the upper line gear rotates, and the opening body and the C-shaped rotating body are folded into an integral gear. The upper wire gear rotates to drive the fixing seat of the screw rod block assembly to rotate, so that the ground wire clamping mechanism rotates around the ground wire, and the aluminum stranded wire is stably wound on the ground wire. The tool can be used for feeding, clamping the ground wire and winding and repairing the aluminum stranded wire on the ground through the insulating operating rod, has the advantages of safety and high efficiency, does not need external power, and is energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic top view of fig. 1.
Fig. 4 is a schematic diagram of an axial structure of the present embodiment.
Fig. 5 is another schematic axial view of the present embodiment.
Fig. 6 is a schematic diagram of a third axial structure of the present embodiment.
Detailed Description
As shown in fig. 1 to 6, the tool for quickly repairing an overhead ground wire broken strand in an electrified manner disclosed in this embodiment includes a rotation driving mechanism a, a ground wire clamping mechanism B, and an aluminum stranded wire pressing mechanism C.
The rotary driving mechanism A is a gear reducer and comprises a shell A1, a driving gear A2, a driven gear A3 and an upper line gear A4;
the driving gear, the driven gear and the upper line gear are all external gears.
The upper line gear A4 comprises a C-shaped rotating body A41 and an opening and closing body A42 hinged at the opening of the C-shaped rotating body, the thickness of the opening and closing body is half of that of the C-shaped rotating body, the opening and closing body and the rotating body can form an integral gear in a surrounding mode, and two ends of the C-shaped rotating body are symmetrically connected with a C-shaped ring A43.
The driving gear, the driven gear and the upper line gear are arranged in a row, the driving gear and the driven gear are packaged in the shell and are respectively connected with the shell through a wheel shaft and a bearing, and one end of the wheel shaft of the driving gear is provided with a polygonal prism section extending out of the shell.
The casing A1 is provided with a corresponding C-shaped groove corresponding to the position of the C-shaped ring A43 connected with the upper line gear A4, and the C-shaped ring is embedded in the C-shaped groove.
The ground wire clamping mechanism B comprises a screw rod sliding block assembly and an elastic roller assembly.
The screw rod sliding block assembly comprises a fixed seat B1, a screw rod B2, a sliding block B3 and a guide rod B4.
The fixing seat B1 comprises two horizontal plates B11 and a vertical plate B12 connected between the two horizontal plates, and one side of the middle part of the vertical plate is provided with a C-shaped boss corresponding to a C-shaped ring A43 connected with the end part of the upper line gear A4.
The upper section and the lower section of the screw rod B2 have opposite spiral directions, two ends of the screw rod are respectively connected to two horizontal plates B11 of a fixed seat B1 through a bearing and a bearing seat, and the lower end of the screw rod extends out of the fixed seat B1 and is connected with an adjusting ring B21.
The upper section and the lower section of the screw rod B2 are respectively connected with a slide block B3.
Guide rods B4 are symmetrically connected between the two horizontal plates of the fixing seat B1 corresponding to the two sides of the screw rod B2.
The elastic roller assembly comprises a clamping seat B5, a limiting seat B6, a spring B7, a roller seat B8 and a roller B9, two ends of the spring B7 are respectively fixed with the limiting seat B6 and the roller seat B8, the roller B9 is provided with a pair of rollers along the axial direction of the upper line gear, wheel shafts of the rollers are mounted on a limiting seat B6, and the limiting seat is fixed at the bottom of an inner cavity of the clamping seat B5.
The elastic roller components are divided into two groups.
When the two groups of elastic roller assemblies are assembled with the screw rod sliding block assembly, the two groups of elastic roller assemblies are arranged in a vertical symmetry mode relative to a roller B9, and clamping seats B5 of the two groups of elastic roller assemblies are respectively connected with sliding blocks B3 on the upper section and the lower section of the screw rod.
The aluminum stranded wire pressing mechanism C comprises a stranded wire turntable C1, a winch mounting seat C2 and a wire pressing wheel C3, the winch mounting seat C2 is fixed on a limiting seat B6 of the upper elastic roller wheel assembly, the stranded wire turntable C1 is fixed on a winch mounting seat C2, the wire pressing wheel C3 is horizontally arranged above the outer side of the upper side roller wheel, and the inner end of a wheel shaft of the wire pressing wheel is fixed on the limiting seat B6. The wire twisting turntable C1 is positioned right above the roller B9 after being fixed. The wire pressing wheel C3 is a multi-wire grooved wheel and is positioned below the outer part of the wire twisting turntable C1, and the inner end of the wheel shaft is fixed on the outer side of the limiting seat B6. A guide seat C4 is arranged outside the wire pressing wheel C3, the outer end of the wheel shaft of the wire pressing wheel C3 is fixed on the guide seat C4, and the guide seat is fixed on the clamping seat B5.
After the ground wire clamping mechanism B and the aluminum stranded wire pressing mechanism C are assembled, the ground wire clamping mechanism B and the aluminum stranded wire pressing mechanism C are assembled with the rotary driving mechanism A: and a C-shaped boss on the outer side of a vertical plate of a fixed seat of a lead screw sliding block mechanism of the ground wire clamping mechanism is fixedly connected with a C-shaped ring at the end part of an upper wire gear of the rotary driving mechanism.
After the assembly, the axial center line of the upper line gear A4 is coincident with the center line of the distance between the two groups of elastic roller components.
Before the device is used, the wire end of an aluminum stranded wire on the stranded wire turntable C1 is led out to penetrate through the guide seat C4, and is placed below the wire pressing wheel C3, and the wire end is folded to be parallel to the ground wire. The adjusting ring B21 at the lower end of the screw rod is rotated to increase the distance between the two groups of elastic roller assemblies, and the opening and closing body of the upper thread gear is opened firstly.
The C-shaped rotating body of the on-line gear of the tool is sleeved near the part to be repaired on the ground wire D through the insulating operating rod, and the adjusting ring at the lower end of the screw rod is reversely rotated through the insulating operating rod, so that the rollers of the two groups of elastic roller assemblies clamp the ground wire up and down. Because the wheel shaft of the wire pressing wheel is fixed on the limiting seat of the upper elastic roller component, when the upper elastic roller component moves downwards, the wire head of the aluminum stranded wire led out previously is pressed on the position to be repaired on the ground wire through the wire pressing wheel, and the ground wire is positioned on the axial central line of the wire feeding gear at the moment.
The driving gear is rotated by the insulating operating rod to extend out of the polygonal prism section outside the shell, so that the upper line gear rotates, and the opening body and the C-shaped rotating body are folded into an integral gear. The upper wire gear rotates to drive the fixing seat of the screw rod block assembly to rotate, so that the ground wire clamping mechanism rotates around the ground wire, and the aluminum stranded wire is stably wound on the ground wire.
According to the structure and the using process of the tool, the on-line of the tool, the clamping of the ground wire and the winding and repairing of the aluminum stranded wire can be carried out on the ground through the insulating operating rod, the tool has the advantages of safety and high efficiency, no external power is needed, and the tool is energy-saving and environment-friendly.

Claims (9)

1. The utility model provides an electrified quick repair tools of disconnected thigh of overhead earth wire which characterized in that: the tool comprises a rotary driving mechanism, a ground wire clamping mechanism and an aluminum stranded wire pressing mechanism;
the rotary driving mechanism is a gear reducer;
the ground wire clamping mechanism comprises a screw rod sliding block assembly and elastic roller assemblies, the screw rod sliding block mechanism is vertically arranged, two sliding blocks are arranged on a screw rod of the screw rod sliding block mechanism, and the two groups of elastic roller assemblies are respectively connected with the sliding blocks; an upper thread gear of the rotary driving mechanism is connected with a fixed seat of the screw rod sliding block mechanism, and the axial center line of the upper thread gear is collinear with the center line of the space between the two groups of rollers;
the aluminum stranded wire pressing mechanism comprises a stranded wire rotary table, a winch mounting seat and a wire pressing wheel, the winch mounting seat is fixed at the upper end of the elastic roller wheel component, the stranded wire rotary table is fixed on the winch mounting seat, the wire pressing wheel is horizontally arranged above the outer side of the upper side roller wheel, and the inner end of a wheel shaft of the wire pressing wheel is fixed on the elastic roller wheel component;
the ground wire to be repaired is arranged on the axial center line of the wire feeding gear of the rotary driving mechanism, the wire end of the aluminum stranded wire is pulled to the lower part of the wire pressing wheel, the clamping of the two groups of elastic roller assemblies on the ground wire is realized through the screw rod sliding block assembly, the rotation of the ground wire clamping mechanism around the ground wire is realized through the rotary driving mechanism, and the aluminum stranded wire is wound on the ground wire.
2. The live quick repair tool for an overhead ground wire strand breakage according to claim 1, characterized in that: the rotary driving mechanism comprises a shell, a driving gear, a driven gear and an upper line gear;
the driving gear, the driven gear and the upper line gear are all external gears;
the upper line gear comprises a C-shaped rotating body and an opening and closing body hinged to the opening of the C-shaped rotating body, the thickness of the opening and closing body is half of that of the C-shaped rotating body, the opening and closing body and the rotating body can form an integral gear in a surrounding mode, and two ends of the C-shaped rotating body are symmetrically connected with C-shaped rings;
the driving gear, the driven gear and the upper line gear are arranged in a row, the driving gear and the driven gear are packaged in the shell and are respectively connected with the shell through a wheel shaft and a bearing, and one end of the wheel shaft of the driving gear is provided with a polygonal prism section extending out of the shell;
the position of the shell corresponding to the C-shaped ring connected with the upper line gear is provided with a corresponding C-shaped groove, and the C-shaped ring is embedded in the C-shaped groove.
3. The live quick repair tool for an overhead ground wire strand breakage according to claim 1, characterized in that: the fixing seat of the screw rod sliding block assembly comprises two horizontal plates and a vertical plate between the two horizontal plates, the upper section and the lower section of the screw rod are opposite in spiral direction, two ends of the screw rod are connected to the fixing seat through a bearing and a bearing seat, and the lower end of the screw rod extends out of the fixing seat and is connected with an adjusting ring.
4. The live quick repair tool for an overhead ground wire strand breakage according to claim 3, characterized in that: and guide rods are symmetrically connected between the horizontal plates corresponding to two sides of the screw rod.
5. The live quick repair tool for an overhead ground wire strand breakage according to claim 3, characterized in that: the elastic roller assembly comprises a clamping seat, a limiting seat, a spring, a roller seat and the roller, wherein two ends of the spring are respectively fixed with the roller seat of the limiting seat, the roller is provided with a pair of rollers along the axial direction of the wire feeding gear, the wheel shafts of the rollers are arranged on the limiting seat, and the limiting seat is fixed at the bottom of the inner cavity of the clamping seat.
6. The live quick repair tool for an overhead ground wire strand breakage according to claim 5, characterized in that: the two groups of elastic roller assemblies are symmetrically arranged up and down relative to the roller, and clamping seats of the two groups of elastic roller assemblies are respectively connected with the sliding blocks on the screw rod.
7. The live quick repair tool for an overhead ground wire strand breakage according to claim 5, characterized in that: the winch mounting seat is fixed at the upper end of the upper elastic roller assembly, and the stranded wire turntable is fixed on the winch mounting seat and then located right above the roller.
8. The live quick repair tool for an overhead ground wire strand breakage according to claim 7, wherein: the wire pressing wheel is a multi-wire grooved wheel, and the inner end of a wheel shaft of the wire pressing wheel is fixed on the outer side of the limiting seat of the upper elastic roller component.
9. The live quick repair tool for an overhead ground wire strand breakage according to claim 8, characterized in that: the outer part of the wire pressing wheel is provided with a guide seat, the outer end of a wheel shaft of the wire pressing wheel is fixed on the guide seat, and the guide seat is fixed on the clamping seat.
CN202122800151.3U 2021-11-16 2021-11-16 Electrified quick repair tools of overhead earth wire broken strand Active CN216251936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122800151.3U CN216251936U (en) 2021-11-16 2021-11-16 Electrified quick repair tools of overhead earth wire broken strand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122800151.3U CN216251936U (en) 2021-11-16 2021-11-16 Electrified quick repair tools of overhead earth wire broken strand

Publications (1)

Publication Number Publication Date
CN216251936U true CN216251936U (en) 2022-04-08

Family

ID=80943372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122800151.3U Active CN216251936U (en) 2021-11-16 2021-11-16 Electrified quick repair tools of overhead earth wire broken strand

Country Status (1)

Country Link
CN (1) CN216251936U (en)

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