CN109038363B - Suspension type strain insulator string connecting device for adjusting high-voltage wire string interval by magnet - Google Patents
Suspension type strain insulator string connecting device for adjusting high-voltage wire string interval by magnet Download PDFInfo
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- CN109038363B CN109038363B CN201810872283.7A CN201810872283A CN109038363B CN 109038363 B CN109038363 B CN 109038363B CN 201810872283 A CN201810872283 A CN 201810872283A CN 109038363 B CN109038363 B CN 109038363B
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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
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a suspension type tension insulator string connecting device for adjusting the distance between high-voltage wire strings by magnets, which structurally comprises: the invention realizes that the tension buckle stretching frame is matched with the spool tightening barrel, a roller rod at the end of the spool tightening barrel is attached to and rubbed with a rubber surface of the winding belt through the tension buckle stretching frame and the spool tightening barrel, so that a gap between the spool tightening barrel is tightened by a motor rotating shaft, the copper core wire rod and the high-voltage wire are linked to be drawn close to the gap from the end, the pedal climbing operation of an overhaul worker is facilitated, and after the copper core wire rod and the high-voltage wire end are tightened, the gap of the middle section can be loosened and enlarged, so that the structure of the middle section needs to be buckled through the tension buckle stretching frame, the insulator cap is matched with the tightening action, the middle section is electrified, magnetically attracted and tightened, and the action effect of the clearance contraction is improved.
Description
Technical Field
The invention discloses a suspension type strain insulator string connecting device for adjusting the distance between high-voltage wire strings by magnets, and belongs to the field of insulator string connecting devices.
Background
Insulator string is the most common strain insulator of high-voltage line frame and presss from both sides the flexible part of adjusting of cooperation electric wire, not only fastens the high-voltage line end, and the shell cover protection high-voltage line cooperation adjustment elasticity moreover, but each high-voltage line cluster clearance is great, and the maintainer wears the protective equipment high altitude and moves comparatively difficultly, and the public shortcoming of treating the optimization of prior art has:
the staff scrambles on strain insulator string and overhauls inconveniently, and the slippage is stepped on to the easy foot of face for the substring, and the clearance is big between the wire moreover, can be because staff's sole face does not have the clearance area big and step on empty tenesmus, causes dangerous hidden danger.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a suspension type tension insulator string connecting device for adjusting the distance between high-voltage wire strings by magnets, and aims to solve the problems that workers are inconvenient to climb and maintain on the tension insulator string, the tension insulator string is a round surface, the tension insulator string is easy to step on and slip, gaps among wires are large, and the workers can step on the tension insulator string to drop due to the fact that the gaps are large in the area of the bottoms of the feet of the workers, so that the potential danger is caused.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a suspension type strain insulator string connecting device of high-voltage line cluster interval is adjusted to magnet, its structure includes: the utility model discloses a draw and detain stretching frame, insulator cap, the tight section of thick bamboo of wire tube, high-voltage line, spout, motor, coiling area, copper core wire pole level runs through the inside that insulator cap and spool tighten the section of thick bamboo axle center, the high-voltage line is equipped with six and nests respectively in the both ends about three copper core wire pole, the insulator cap is equipped with more than two and divide the triplex row level and arrange into a straight line, draw and detain the stretching frame and install between insulator cap two, the tight section of thick bamboo of wire tube is equipped with six and nests respectively in the both ends about insulator cap wire cluster, the motor is through coiling area and spool mechanical connection, the tight section of thick bamboo of wire tube bundle passes through spout and coiling area swing joint, draw and detain stretching frame and be equipped with magnet slab rack, folding bellows shell, clamp block, iron plate carriage, spring pipe, coil, magnet block, back pressure, the tooth rack is equipped with four and inserts the left and inlays respectively in the left and right sides of, the utility model discloses a folding bellows case, including folding bellows shell, iron plate balladeur train, spring pipe, coil, magnet piece, back pressure case, coil, back pressure case, buckle piece and insulator cap, the buckle piece is equipped with threely and welds into a straight line with two folding bellows shells are vertical in turn respectively, iron plate balladeur train, spring pipe, coil, magnet piece, back pressure case are all installed in folding bellows shell's inside, the coil is hugged closely integratively with the magnet piece and the axle center collineation, the coil all is equipped with two and installs respectively in the left and right sides of back pressure case with the magnet piece, the back pressure case passes through the inner wall mechanical connection of spring pipe with folding bellows shell, the spring pipe is equipped with two and hugs closely respectively in the upper and lower both ends of back pressure.
In order to optimize the technical scheme, the method further comprises the following steps:
as a further improvement of the invention, the toothed rack frame is composed of groove plates, wires and square pay-off boxes, wherein the groove plates and the wires are nested into a whole, the wires transversely penetrate through the interior of the square pay-off boxes, the four square pay-off boxes are arranged on the left side and the right side of the groove plates respectively, the wires are electrically connected with the coils, and the groove plates are buckled with the edges of the insulator caps together.
As a further improvement of the invention, the iron block sliding frame consists of an armature, a concave sliding groove, a U-shaped iron block, a convex iron block and a sliding buckle rod, wherein the bottom surface of the armature is tightly attached to the top surface of the concave sliding groove, the concave sliding groove and the U-shaped iron block are nested into a whole, the lower end of the axis of the convex iron block is buckled with the top end of the sliding buckle rod, the outer surface of the sliding buckle rod is movably connected with the U-shaped iron block, the armature, the concave sliding groove, the U-shaped iron block, the convex iron block and the sliding buckle rod are positioned on the same vertical surface, and the convex iron block is movably connected with the magnet block.
As a further improvement of the invention, the back pressure valve core consists of a shelf arc plate, a double-cylinder frame, a spring wire, a ball rod and a fixed pulley, wherein the ball rod is provided with two ball rods which are respectively inserted and embedded at the left side and the right side of the double-cylinder frame, the ball rod is mechanically connected with the fixed pulley through the spring wire, the shelf arc plates are provided with two shelf arc plates which are respectively arranged at the upper side and the lower side of the double-cylinder frame, the fixed pulley and the shelf arc plate are of an integral structure, and the shelf arc plate is mechanically connected with the spring pipe.
As a further improvement of the invention, the iron block sliding frame is of a tower-shaped structure with a narrow top end and a wide bottom, a top plate inside the folding wind box shell is tightly attached to a bottom plate of the armature, and the coil is electrically connected with the convex iron block through the magnet block.
As a further improvement of the invention, the power distribution block at the top end of the motor is electrically connected with the lead of the toothed rack frame, so that the coil and the magnet block are electrified to amplify the magnetic field, the magnetic attraction force of the magnet block is enhanced, and the internal current of the lead is 220V and is transmitted by high-voltage wires in a branching manner without mutual influence.
As a further improvement of the invention, the spacing grooves of the groove plates are buckled with the circular end faces of the fan-shaped sides of the insulator cap, so that the effects of dislocation prevention and clamping are formed, workers can conveniently step on the insulator cap, and the slip-prone factor of the cambered surfaces of the circular end faces is avoided.
Advantageous effects
The invention relates to a suspension type strain insulator string connecting device for adjusting the distance between high-voltage lines by a magnet, wherein a motor is synchronously started at two ends of the high-voltage lines, a winding belt is pulled by a rotating shaft, a linkage chute is matched with a line tube bundle tightening cylinder to tighten the high-voltage lines and a copper core line rod, insulator caps are matched with a contraction gap in a string mode to achieve the effect of regulating the gap between line tubes at two ends, the middle section contraction is mainly matched through a tooth socket plate frame of a pull buckle extension frame, a current is led in through a wire butt joint motor to expand a magnetic absorption field for a coil and a magnet block in a folding bellows shell, so that the magnet block is pulled by a convex iron block of an iron block sliding frame to pull a slide buckle rod to be vertically attached to the magnet block, a U-shaped iron block is also matched with magnetization to adsorb the convex iron block to the middle, an armature is driven to be contracted with the folding bellows shell with a concave chute, the effect of magnetic contraction of the middle, the ball rod is propped by the arc plates of the partition frame to slide in the column barrel of the double-barrel frame, the spring wire is compressed and extruded, when the operation of a maintainer is finished, the motor is stopped, the magnetic field of the magnet block is weakened, the weight of the iron block is insufficient, the magnet block is adsorbed and separated, and the spring pipe is stretched and reset.
The invention has the following advantages after operation:
tighten a section of thick bamboo through drawing to detain the expansion frame and cooperate with the spool, the roller pole of the tight section of thick bamboo end of wire tube and the rubber face laminating friction of coiling area, thereby by the clearance between the tight section of thick bamboo of motor shaft coiling tightening wire tube, linkage copper core wire pole and high-tension line begin to draw near the clearance from the end, make things convenient for the pedal climbing operation of maintainer, and copper core wire pole and high-tension line end tighten up the back, the middle section clearance can relax and enlarge, so need through drawing to detain the expansion frame lock middle section structure, make the insulator cap cooperation tighten up the action, the middle section circular telegram is inhaled the magnetism and is tightened up, perfect shrink clearance's action.
Drawings
Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of a suspension type tension insulator string connecting device for adjusting the interval between high-voltage lines by magnets according to the present invention.
Fig. 2 is a schematic cross-sectional view of the insulator string connecting device according to the present invention.
Fig. 3 is a detailed structural schematic diagram of the tab extending frame of the invention.
Fig. 4 is a schematic structural view of the operating state of the stretching frame of the pulling buckle of the invention.
FIG. 5 is a schematic cross-sectional view of the side of the rack of gullets in the working state of the present invention.
Description of reference numerals: the wire-pipe tightening device comprises a pull buckle extending frame-1, an insulator cap-2, a wire pipe tightening barrel-3, a high-voltage wire-4, a sliding groove-5, a motor-6, a winding belt-7, a copper core wire rod-8, a slotted plate frame-11, a folding wind box shell-12, a clamping buckle block-13, an iron block sliding frame-14, a spring pipe-15, a coil-16, a magnet block-17, a counter-pressure valve core-18, a groove plate-111, a wire-112, a wire-releasing square box-113, an armature-141, a concave sliding groove-142, a U-shaped iron block-143, a convex iron block-144, a sliding buckle rod-145, a partition arc plate-181, a double barrel frame-182, a spring wire-183, a ball rod-184 and a fixed pulley-185.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-5, the present invention provides a suspension type tension insulator string connecting device for adjusting a distance between high-voltage lines with a magnet, which comprises: a section of thick bamboo 3, high-voltage line 4, spout 5, motor 6, coiling area 7, copper core wire pole 8 are tightened to draw knot expansion bracket 1, insulator cap 2, spool, the inside in a 3 axle centers is tightened to copper core wire pole 8 level through insulator cap 2 and spool, high-voltage line 4 is equipped with six and nests respectively in both ends about three copper core wire pole 8, insulator cap 2 is equipped with more than two and divide the triplex row level and arrange into a straight line, draw and detain expansion bracket 1 and install between insulator cap 2 two, the tight section of thick bamboo 3 of wire tube is equipped with six and nests respectively in both ends about insulator cap 2 string, motor 6 is through coiling area 7 and the tight section of thick bamboo 3 mechanical connection of wire tube, the tight section of thick bamboo 3 of wire tube passes through spout 5 and coiling area 7 swing joint, draw and detain expansion bracket 1 and be equipped with tooth's socket grillage 11, folding bellows shell 12, clamp knot piece 13, The iron block sliding frame 14, the spring tube 15, the coil 16, the magnet block 17 and the back pressure valve core 18, the gullet frame 11 is provided with four and is respectively inserted and embedded at the left side and the right side of the two folding wind box shells 12, the clamping block 13 is provided with three and is respectively vertically and alternately welded with the two folding wind box shells 12 into a straight line, the iron block sliding frame 14, the spring tube 15, the coil 16, the magnet block 17 and the back pressure valve core 18 are all arranged inside the folding wind box shells 12, the coil 16 and the magnet block 17 are tightly adhered into a whole and have collinear axes, the coil 16 and the magnet block 17 are both provided with two and are respectively arranged at the left side and the right side of the back pressure valve core 18, the back pressure valve core 18 is mechanically connected with the inner wall of the folding wind box shells 12 through the spring tube 15, the spring tube 15 is provided with two and is respectively tightly adhered to the upper end and the lower end of the back pressure valve core 18, the iron, the coil 16 is electrically connected with the iron block sliding frame 14 through a magnet block 17, and the clamping block 13 is buckled with the sleeve of the insulator cap 2.
Referring to fig. 5, the gullet plate rack 11 is composed of a groove plate 111, a wire 112 and a square pay-off box 113, the groove plate 111 and the wire 112 are nested into a whole, the wire 112 transversely penetrates through the inside of the square pay-off box 113, four square pay-off boxes 113 are provided and are respectively installed on the left side and the right side of the groove plate 111, the wire 112 is electrically connected with the coil 16, the spacing grooves of the groove plate 111 are buckled with the circular end surface of the sector side of the insulator cap 2, so as to form the anti-dislocation and clamping effects, which are convenient for workers to tread, and the easy slipping factor of the arc surface of the circular end surface is avoided, when the insulator cap 2 is hung, the gullet plate rack 11 is butted and supported on the square pay-off box 113 through the wire 112 and the power distribution block at the top end of the motor 6, and is also in a hanging state, during the period, the groove plate, the steadiness is high.
Referring to fig. 4, the iron block carriage 14 is composed of an armature 141, a concave chute 142, a U-shaped iron block 143, a convex iron block 144, and a sliding buckle rod 145, a bottom surface of the armature 141 is tightly attached to a top surface of the concave chute 142, the concave chute 142 and the U-shaped iron block 143 are nested into a whole, a lower end of an axis of the convex iron block 144 is buckled with a top end of the sliding buckle rod 145, an outer surface of the sliding buckle rod 145 is movably connected with the U-shaped iron block 143, the armature 141, the concave chute 142, the U-shaped iron block 143, the convex iron block 144, and the sliding buckle rod 145 are located on a same vertical surface, the convex iron block 144 is movably connected with the magnet block 17, the iron block carriage 14 is a tower-shaped structure with a narrow top end and a wide bottom, a top plate inside the folding fan case 12 is tightly attached to a bottom plate of the armature 141, the coil 16 is electrically connected with the convex iron block 144 through the magnet block 17, and the valve core 18 is composed of a, The double-cylinder rack 182, the spring wire 183, the ball bar 184 and the fixed pulley 185, wherein the ball bar 184 is provided with two balls and is respectively inserted and embedded at the left side and the right side of the double-cylinder rack 182, the ball bar 184 is mechanically connected with the fixed pulley 185 through the spring wire 183, the shelf arc plate 181 is provided with two balls and is respectively arranged at the upper side and the lower side of the double-cylinder rack 182, the fixed pulley 185 and the shelf arc plate 181 are in an integral structure, the shelf arc plate 181 is mechanically connected with the spring tube 15, the slider 145 is pulled through the influence of magnetization of the magnet block 17 on the U-shaped iron block 143, the U-shaped iron block 143 slides downwards to adsorb the U-shaped iron block 144, and the folding bellows shell 12 is pulled to shrink through the armature 141 and the concave chute 142, so that the concave chute 142 and the U-shaped iron block 143 are overlapped and buckled together, and.
Referring to fig. 1 to 3, the power distribution block at the top end of the motor 6 is electrically connected to the conductive wire 112 of the cogging plate rack 11, so that the coil 16 and the magnet block 17 are energized to amplify the magnetic field, the magnetic attraction force of the magnet block 17 is enhanced, and the internal current of the conductive wire 112 is 220V and is distributed to the high-voltage wire 4 without affecting each other, thereby achieving the autonomous working effect that the voltage of the high-voltage wire 4 above 220V is separated from the voltage of the conductive wire 112.
The working process is as follows: the two ends of a high-voltage wire 4 synchronously start a motor 6 to enable a rotating shaft to pull a winding belt 7, a linkage sliding chute 5 is matched with a wire bundle tightening barrel 3 to tighten the high-voltage wire 4 and a copper core wire rod 8, so that an insulator cap 2 is in string fit with a contraction gap to achieve the effect of contraction of the gap between the wire pipes at the two ends, the middle section is contracted mainly through matching of a tooth socket plate frame 11 of a pull buckle extension frame 1, the motor 6 is butted with the U-shaped iron block 143 through a wire 112, current is led in to expand an absorption magnetic field for a coil 16 and a magnet block 17 in a folding wind box shell 12, so that a convex iron block 144 of an iron block sliding frame 14 is pulled to pull a sliding buckle rod 145 to be vertically attached to the magnet block 17, the U-shaped iron block 143 is also matched with magnetization to absorb the convex iron block 144 towards the middle part, an armature 141 and a concave sliding chute 142 are driven to pull the folding wind box shell 12 to be contracted, the effect of magnetic contraction of, the ball rod 184 is supported by the shelf arc plate 181 to slide in the column of the double-cylinder frame 182, the spring wire 183 is compressed and extruded, when the operation of the maintainer is completed, the motor 6 is stopped, the magnetic field of the magnet block 17 is weakened, the weight of the iron block is insufficient, the magnet block is adsorbed and separated, and the spring tube 15 is stretched and reset.
The invention achieves the purposes that the tension-buckle extending frame 1 is matched with the wire tube tightening cylinder 3, the roller rod at the end of the wire tube tightening cylinder 3 is jointed and rubbed with the rubber surface of the winding belt 7, so that the gap between the wire tube tightening cylinder 3 is wound and tightened by the rotating shaft of the motor 6, the copper core wire rod 8 and the high-voltage wire 4 are linked to draw the gap from the end, the pedal climbing operation of maintainers is facilitated, and after the copper core wire rod 8 and the end of the high-voltage wire 4 are tightened, the gap between the middle section is loosened and amplified, so the middle section structure is buckled by the tension-buckle extending frame 1, the insulator cap 2 is matched with the tightening action, the middle section is electrified and magnetically sucked for tightening, the action effect of the contraction gap is perfected, thereby the problems that the climbing and maintenance of the staffs on the strain insulator string are inconvenient, the string is easy to pedal slipping when being a round surface, the gap between the wires is large, and the staffs can pedal, causing a problem of dangerous hidden danger.
The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.
Claims (5)
1. The utility model provides a suspension type strain insulator string connecting device of high-voltage line cluster interval is adjusted to magnet, its structure includes: draw and detain an extension frame (1), insulator cap (2), a spool and tighten a section of thick bamboo (3), high-voltage line (4), spout (5), motor (6), coiling area (7), copper core wire pole (8), its characterized in that:
the high-voltage wire is characterized in that the copper core wire rods (8) horizontally penetrate through the insulator caps (2) and the axle centers of the wire tube tightening cylinders (3), six high-voltage wires (4) are respectively embedded at the left end and the right end of three copper core wire rods (8), the insulator caps (2) are more than three and are horizontally arranged in parallel in three rows to form a straight line, the pull-buckle stretching frame (1) is arranged between the two insulator caps (2), the wire tube tightening cylinders (3) are provided with six wire rods and are respectively embedded at the left end and the right end of a wire string of the insulator caps (2), the motor (6) is mechanically connected with the wire tube tightening cylinders (3) through winding belts (7), and the wire tube tightening cylinders (3) are movably connected with the winding belts (7) through sliding grooves (5);
the pull buckle stretching frame (1) is provided with a toothed groove plate frame (11), a folding fan box shell (12), a clamping block (13), an iron block sliding frame (14), a spring tube (15), a coil (16), a magnet block (17) and a back pressure valve core (18);
the toothed rack frame (11) is provided with four and is respectively inserted and embedded at the left side and the right side of two folding wind box shells (12), the clamping blocks (13) are provided with three and are respectively vertically and alternately welded with the two folding wind box shells (12) into a straight line, the iron block sliding frame (14), the spring tube (15), the coil (16), the magnet block (17) and the back pressure valve core (18) are all arranged in the folding wind box shells (12), the coil (16) and the magnet block (17) are tightly attached into a whole and have collinear axes, the coil (16) and the magnet block (17) are both provided with two and are respectively arranged at the left side and the right side of the back pressure valve core (18), the back pressure valve core (18) is mechanically connected with the inner wall of the folding wind box shells (12) through the spring tube (15), the spring tube (15) is provided with two and is tightly attached to the upper end and the lower end of the back pressure valve core, the four iron block sliding frames (14) are arranged on the left side and the right side of the two spring tubes (15), the coils (16) are electrically connected with the iron block sliding frames (14) through magnet blocks (17), and the clamping blocks (13) are buckled with the sleeves of the insulator caps (2).
2. The device of claim 1, wherein the suspension insulator string connector is configured to adjust a distance between the strings with the magnet, and further comprising: the utility model provides a transformer bushing structure, including gullet grillage (11), wire (112), unwrapping wire square chest (113), gullet grillage (111) and wire (112) nestification are integrative, wire (112) transversely run through the inside of unwrapping wire square chest (113), unwrapping wire square chest (113) are equipped with four and install the left and right sides at gullet board (111) respectively, wire (112) are connected with coil (16) electricity, the border lock of gullet board (111) and insulator cap (2) is in the same place.
3. The device of claim 1, wherein the suspension insulator string connector is configured to adjust a distance between the strings with the magnet, and further comprising: the iron block sliding frame (14) is composed of an armature (141), a concave sliding groove (142), a U-shaped iron block (143), a convex iron block (144) and a sliding buckle rod (145), the bottom surface of the armature (141) is tightly attached to the top surface of the concave sliding groove (142), the concave sliding groove (142) and the U-shaped iron block (143) are nested into a whole, the lower end of the axis of the convex iron block (144) is buckled with the top end of the sliding buckle rod (145), the outer surface of the sliding buckle rod (145) is movably connected with the U-shaped iron block (143), the armature (141), the concave sliding groove (142), the U-shaped iron block (143), the convex iron block (144) and the sliding buckle rod (145) are located on the same vertical surface, and the convex iron block (144) is movably connected with the magnet block (17).
4. The device of claim 1, wherein the suspension insulator string connector is configured to adjust a distance between the strings with the magnet, and further comprising: the back pressure valve core (18) is composed of two partition frame arc plates (181), a double-barrel frame (182), a spring wire (183), a ball rod (184) and a fixed pulley (185), the ball rod (184) is arranged on the left side and the right side of the double-barrel frame (182) in an inserted and embedded mode, the ball rod (184) is mechanically connected with the fixed pulley (185) through the spring wire (183), the two partition frame arc plates (181) are arranged on the upper side and the lower side of the double-barrel frame (182) respectively, the fixed pulley (185) and the partition frame arc plates (181) are of an integrated structure, and the partition frame arc plates (181) are mechanically connected with the spring pipe (15).
5. The device of claim 3, wherein the suspension insulator string connector is configured to adjust a distance between the strings with the magnet, and further comprising: the iron block sliding frame (14) is of a tower-shaped structure with a narrow top end and a wide bottom, a top plate inside the folding wind box shell (12) is tightly attached to a bottom plate of the armature (141), and the coil (16) is electrically connected with the convex iron block (144) through the magnet block (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810872283.7A CN109038363B (en) | 2018-08-02 | 2018-08-02 | Suspension type strain insulator string connecting device for adjusting high-voltage wire string interval by magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810872283.7A CN109038363B (en) | 2018-08-02 | 2018-08-02 | Suspension type strain insulator string connecting device for adjusting high-voltage wire string interval by magnet |
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CN109038363A CN109038363A (en) | 2018-12-18 |
CN109038363B true CN109038363B (en) | 2020-07-21 |
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CN201810872283.7A Expired - Fee Related CN109038363B (en) | 2018-08-02 | 2018-08-02 | Suspension type strain insulator string connecting device for adjusting high-voltage wire string interval by magnet |
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CN114156780B (en) * | 2021-12-07 | 2023-11-21 | 嵊州市光宇实业有限公司 | Extra-high voltage transmission line strain insulator chain business turn over operation connecting device |
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CN201266808Y (en) * | 2008-09-03 | 2009-07-01 | 福建省莆田电业局 | Tool for replacing V-string porcelain bottle of multi-loop line tangent tower with electrified |
KR20150007838A (en) * | 2013-07-12 | 2015-01-21 | 한국전력공사 | Spacer for electric cable |
CN104167687B (en) * | 2014-07-18 | 2017-01-11 | 国网河南省电力公司漯河供电公司 | Tool for live-line replacement of suspension insulator and using working method thereof |
CN204144784U (en) * | 2014-08-26 | 2015-02-04 | 国家电网公司 | A kind of adjustable strain insulator wire load replacing insulator protective device |
CN105098655A (en) * | 2015-08-25 | 2015-11-25 | 广东电网有限责任公司惠州供电局 | Strain insulator exchange tool |
CN207183929U (en) * | 2017-09-04 | 2018-04-03 | 贵州电网有限责任公司 | A kind of 110kV power line tensions list insulator string more changing device |
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