CN113517099B - Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting - Google Patents
Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting Download PDFInfo
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- CN113517099B CN113517099B CN202111012524.9A CN202111012524A CN113517099B CN 113517099 B CN113517099 B CN 113517099B CN 202111012524 A CN202111012524 A CN 202111012524A CN 113517099 B CN113517099 B CN 113517099B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
- H01B17/40—Cementless fittings
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Abstract
The invention discloses an ultrahigh-voltage composite cross arm insulator with a multipurpose end fitting, which comprises a fixing part and first insulator bodies which are symmetrically distributed, wherein a sliding part is embedded in one end of each first insulator body in a rotating mode, a bearing part is embedded in the other end of each first insulator body in a rotating mode, and the symmetrically distributed bearing parts are limited and tensioned through limiting parts. The cross arm insulator can efficiently fix high-voltage wires, reduce jitter and improve safety, the second support piece has the capacity of fixing a single or two high-voltage wires, switching is simple and convenient, hardware fittings for replacing and fixing the high-voltage wires due to different quantities are reduced, the first support piece is clamped and fixed through the screws distributed at intervals, the wire cores are uniformly stressed, the installed cross arm insulator inclines upwards to enhance bearing capacity, the limiting piece and the connecting piece are matched to tension the support piece, the integral stability is ensured, the limiting block shares transverse shearing force on the screws, fatigue is reduced, and the service life is prolonged.
Description
Technical Field
The invention relates to a cross arm insulator, in particular to an ultrahigh voltage composite cross arm insulator with a multipurpose end fitting.
Background
At present, a power line tower support live wire device usually adopts a mode of adding an insulator string on a cross arm, and also adopts a mode of directly using a composite cross arm insulator, but the used composite cross arm insulator mostly adopts a single column and is mostly used in the environment of small load and low voltage.
For ultrahigh voltage, the technology is complex, the electrical distance is long, the structural size of a tower is large, the height is high, the span is large, and the load of a lead is large.
Disclosure of Invention
The invention aims to provide an ultrahigh-voltage composite cross arm insulator with a multipurpose end fitting, wherein when a first supporting piece is used, a high-voltage wire penetrates through a wire core cylinder, a screw rod is in threaded fit with a first threaded hole and a second threaded hole to clamp the high-voltage wire, when the second supporting piece is used, a nut on the second supporting piece is tightened, the second arc-shaped groove clamps the high-voltage wire in a wire clamping groove, when two high-voltage wires are arranged, a supporting column is drawn out, the two high-voltage wires are respectively placed in the wire clamping grooves at two ends of a rolling plate, the nut is tightened, and the first arc-shaped groove and the second arc-shaped groove respectively clamp the high-voltage wire; the cross arm insulator efficient is fixed the high-tension line, reduce the shake, the security is improved, second support piece has fixed list or two high-tension line ability, it is simple and convenient to switch, reduce and change fixed gold utensil because of the quantity difference, first support piece presss from both sides tightly fixedly through the screw rod of alternate distribution, the sinle silk atress is even, cross arm insulator tilt up after the installation, the reinforcing bearing capacity, the taut support piece of locating part and connecting piece cooperation, guarantee holistic stability, the stopper shares the transverse shear force that the screw rod received, reduce fatigue, and the service life is prolonged.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a compound cross arm insulator of superhigh pressure with multipurpose end gold utensil, cross arm insulator include mounting and symmetric distribution's first insulator body, the embedded rotation of one end of first insulator body is equipped with the slider, and the embedded rotation of the other end of first insulator body is equipped with the bearing piece, and through the spacing take-up of locating part between the bearing piece of symmetric distribution, the locating part passes through the connecting piece with the mounting and is connected.
The locating part includes first threaded rod, and the both ends of first threaded rod all are equipped with the regulating part, and the one end of regulating part is equipped with the second insulator body, and embedded rotation is equipped with the pull rod on the second insulator body, and the regulating part includes first thread bush, is equipped with the fourth connecting rod on the first thread bush.
Further, the bearing part is one of a first support part and a second support part.
Further, the mounting includes the fixed plate, is equipped with the mount on the fixed plate, and the slope is equipped with the connecting plate on the fixed plate, and the positive and negative of connecting plate all is equipped with array distribution's stopper, is equipped with first connecting hole on the connecting plate.
Furthermore, the sliding part comprises a sliding block, a first connecting rod is arranged on the sliding block, the first connecting rod is rotatably connected with the embedded first insulator body, a sliding groove is formed in the first connecting rod, a limiting groove is formed in the sliding groove in a communicated mode, the limiting groove is in sliding fit with the limiting block, and the sliding part is in sliding connection with the fixing part through the matching of the sliding groove and the fixing plate.
Further, the first supporting piece comprises a fixing block, the fixing block is provided with a second connecting rod, the second connecting rod is connected with the embedded rotation of the first insulator body, a first through hole is formed in the second connecting rod, a wire core cylinder is arranged on the fixing block, first threaded holes distributed in an array mode are communicated with the wire core cylinder, second threaded holes distributed in an array mode are communicated with the wire core cylinder, and the first threaded holes and the second threaded holes are distributed in an alternating mode in the axis direction of the wire core cylinder.
Further, second support piece includes the backup pad, is equipped with the third connecting rod in the backup pad, and the third connecting rod is connected with the embedded rotation of first insulator body, is equipped with the second through hole on the third connecting rod, is equipped with the book board in the backup pad, and the book board bottom is the arc, and the wire clamping groove is rolled up into at both ends, is equipped with first clamping piece on rolling up the board, rotates on the first clamping piece to be equipped with the second clamping piece.
Further, first clamping piece includes first pinch-off blades, is equipped with the spread groove on the first pinch-off blades, and the intercommunication is equipped with the third fixed orifices on the spread groove, is equipped with first arc wall on the first pinch-off blades, and the intercommunication is equipped with the guide way on the first arc wall, and the guide way slides and is equipped with the support column, support column and the cooperation of wire clamping groove.
Furthermore, the second clamping piece comprises a second clamping plate, a rotating column is arranged on the second clamping plate and is in rotating fit with the connecting groove, a fourth fixing hole is formed in the rotating column, a second arc-shaped groove is formed in the second clamping plate, and the screw penetrates through the supporting plate, the fourth fixing hole and the third fixing hole to control the first clamping piece and the second clamping piece to rotate.
Furthermore, a second connecting hole is formed in the first threaded rod, a positioning hole is formed in the pull rod, the first threaded sleeve is in threaded fit with the first threaded rod, and the fourth connecting rod is connected with the second insulator body in an embedded mode in a rotating mode.
Furthermore, the connecting piece includes the second thread bush, and the equal screw-thread fit in both ends of second thread bush has the second threaded rod, and the one end of second threaded rod is rotated and is equipped with the coupling hook, and the coupling hook has hooked up second connecting hole and first connecting hole respectively, through rotating the second thread bush, adjusts the coupling hook interval, and then taut locating part and mounting.
The invention has the beneficial effects that:
1. the cross arm insulator can efficiently fix the high-voltage wires, reduce the shake and improve the safety, the second supporting piece has the capacity of fixing a single or two high-voltage wires, the switching is simple and convenient, and the replacement of fixed hardware fittings due to different quantities is reduced;
2. the first supporting piece of the cross arm insulator is clamped and fixed through the screws distributed at intervals, the wire cores are uniformly stressed, the installed cross arm insulator is inclined upwards to enhance the bearing capacity, the limiting piece and the connecting piece are matched to tension the supporting piece, the integral stability is ensured, the limiting piece shares the transverse shearing force applied to the screws, the fatigue is reduced, and the service life is prolonged.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the cross arm insulator structure of the present invention;
FIG. 2 is a schematic view of the fastener construction of the present invention;
FIG. 3 is a schematic diagram of the cross arm insulator portion structure of the present invention;
FIG. 4 is a schematic view of the slider construction of the present invention;
FIG. 5 is a schematic view of the first support structure of the present invention;
FIG. 6 is a schematic view of a portion of the first support of the present invention;
FIG. 7 is a schematic view of a second support member of the present invention;
FIG. 8 is a cross-sectional view of a second support member of the present invention;
FIG. 9 is a schematic view of a portion of the second support member of the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 9 at A in accordance with the present invention;
FIG. 11 is a partial structural view of a second support member according to the present invention;
FIG. 12 is a schematic view of the cross arm insulator portion structure of the present invention;
fig. 13 is a schematic view of a structure of a position limiting element according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a compound cross arm insulator of superhigh pressure with multipurpose end gold utensil, cross arm insulator include mounting 1 and the first insulator body 2 of symmetric distribution, as shown in fig. 1, the embedded rotation of the one end of first insulator body 2 is equipped with slider 3, and the embedded rotation of the other end of first insulator body 2 is equipped with the bearing piece.
The fixing part 1 comprises a fixing plate 11, as shown in fig. 2 and fig. 3, a fixing frame 12 is arranged on the fixing plate 11, a connecting plate 13 is obliquely arranged on the fixing plate 11, the front and back surfaces of the connecting plate 13 are provided with limiting blocks 14 distributed in an array manner, a first fixing hole 15 is formed in the connecting plate 13, a first connecting hole 16 is formed in the connecting plate 13, during installation, the fixing frame 12 is sleeved and fixed on a pole column, the fixing plate 11 is kept perpendicular to a horizontal plane, or the fixing frame 12 is removed, and the fixing plate 11 is directly installed on an electric wire tower.
The sliding member 3 includes a sliding block 31, as shown in fig. 4, a first connecting rod 32 is disposed on the sliding block 31, the first connecting rod 32 is rotatably connected with the first insulator body 2 in an embedded manner, a sliding groove 33 is disposed on the first connecting rod 32, a limiting groove 34 is disposed in the sliding groove 33 in a communicating manner, the limiting groove 34 is in sliding fit with the limiting block 14, the sliding member 3 is in sliding connection with the fixing member 1 through the sliding groove 33 and the fixing plate 11 in a matching manner, a second fixing hole 35 is disposed on the sliding block 31, the screw penetrates through the second fixing hole 35 and the first fixing hole 15 to fasten the sliding member 3 with the fixing member 1, the limiting block 14 is matched with the limiting groove 34 to reduce the bearing capacity of the screw on the sliding member 3, at this time, the screw and the limiting block 14 bear the transverse pressure from the cable together, the fatigue of the screw is reduced, and the service life is prolonged.
Example 2
The bearing piece is one of first support piece 4 and second support piece 5, and through spacing taut of locating part 6 between the bearing piece of symmetric distribution, reduce the swing, locating part 6 is connected through connecting piece 7 with mounting 1.
The first supporting member 4 includes a fixed block 41, as shown in fig. 5 and 6, the fixed block 41 is provided with a second connecting rod 42, the second connecting rod 42 is connected with the first insulator body 2 in an embedded type rotation manner, the second connecting rod 42 is provided with a first through hole 43, the fixed block 41 is provided with a core cylinder 44, the core cylinder 44 is communicated with first threaded holes 45 distributed in an array manner, the core cylinder 44 is communicated with second threaded holes 46 distributed in an array manner, the first threaded holes 45 and the second threaded holes 46 are alternately distributed in the axial direction of the core cylinder 44, high-voltage wires pass through the core cylinder 44, screws clamp the high-voltage wires through the threaded matching of the first threaded holes 45 and the second threaded holes 46, the screws distributed at intervals clamp the high-voltage wires uniformly, and shake of the high-voltage wires is reduced.
The second supporting member 5 includes a supporting plate 51, as shown in fig. 7 and 8, a third connecting rod 52 is disposed on the supporting plate 51, the third connecting rod 52 is rotatably connected with the first insulator body 2 in an embedded manner, a second through hole 53 is disposed on the third connecting rod 52, a rolling plate 54 is disposed on the supporting plate 51, the bottom of the rolling plate 54 is arc-shaped, two ends of the rolling plate are rolled up to form a wire clamping groove 57, a first clamping member 55 is disposed on the rolling plate 54, and a second clamping member 56 is rotatably disposed on the first clamping member 55.
The first clamping member 55 includes a first clamping plate 551, as shown in fig. 8, 9, and 10, a connecting groove 552 is provided on the first clamping plate 551, a third fixing hole 553 is provided on the connecting groove 552 in a communicating manner, a first arc-shaped groove 554 is provided on the first clamping plate 551, a guide groove 555 is provided on the first arc-shaped groove 554 in a communicating manner, a supporting column 556 is slidably provided in the guide groove 555, and the supporting column 556 cooperates with the clamping groove 57.
The second clamping member 56 includes a second clamping plate 561, as shown in fig. 11, a rotating column 562 is arranged on the second clamping plate 561, the rotating column 562 is rotatably matched with the connecting groove 552, a fourth fixing hole 563 is arranged on the rotating column 562, a second arc-shaped groove 564 is arranged on the second clamping plate 561, the screw rod passes through the support plate 51, the fourth fixing hole 563 and the third fixing hole 553 to control the rotation of the first clamping member 55 and the second clamping member 56, when the nut is tightened, the second arc-shaped groove 564 clamps the high-voltage wires in the wire clamping groove 57, when two high-voltage wires are arranged, the support column 556 is drawn out, the two high-voltage wires are respectively placed in the wire clamping grooves 57 at the two ends of the coil plate, the nut is tightened, and the first arc-shaped groove 554 and the second arc-shaped groove 564 clamp the high-voltage wires respectively, so as to complete the fixation.
Example 3
The limiting member 6 includes a first threaded rod 61, as shown in fig. 12 and 13, a second connecting hole 62 is formed in the first threaded rod 61, adjusting members 63 are disposed at both ends of the first threaded rod 61, a second insulator body 64 is disposed at one end of each adjusting member 63, a pull rod 65 is rotatably connected to the second insulator body 64 in an embedded manner, a positioning hole 66 is formed in the pull rod 65, each adjusting member 63 includes a first threaded sleeve 631, a fourth connecting rod 632 is disposed on the first threaded sleeve 631, the first threaded sleeves 631 are in threaded fit with the first threaded rod 61, the extension distance of the pull rod 65 is adjusted by rotating the first threaded sleeves 631, the fourth connecting rod 632 is rotatably connected to the second insulator body 64 in an embedded manner, the pull rod 65 passes through the first through hole 43, the screw passes through the positioning hole 66, the first threaded sleeves 631 are rotated, the pull rod 65 is moved to tension the symmetrically-distributed first supporting members 4, the pull rod 65 passes through the second through hole 53, the screw passes through the positioning hole 66, the first threaded sleeves are rotated, the pull rod 65 is moved to tension the symmetrically-distributed second supporting members 5.
The connecting member 7 includes a second threaded sleeve 71, as shown in fig. 12, a second threaded rod 72 is screwed on both ends of the second threaded sleeve 71, one end of the second threaded rod 72 is rotatably provided with a connecting hook 73, the connecting hook 73 respectively hooks up the second connecting hole 62 and the first connecting hole 16, and by rotating the second threaded sleeve 71, the distance between the connecting hooks 73 is adjusted, so as to tighten the position limiting member 6 and the fixing member 1.
During the use, when using first support piece 4, the high-voltage line passes through line core section of thick bamboo 44, and the screw rod presss from both sides tight high-voltage line through with first screw hole 45 and second screw hole 46 screw-thread fit, when second support piece 5, tighten up the nut on the second support piece 5, and second arc 564 presss from both sides tight with the high-voltage line in wire clamping groove 57, when arranging two high-voltage lines, takes out support column 556, and two high-voltage lines are placed respectively in the wire clamping groove 57 at roll board both ends, tighten up the nut, and first arc 554 and second arc 564 press from both sides tight high-voltage line respectively.
The cross arm insulator can efficiently fix high-voltage wires, reduce jitter and improve safety, the second support piece has the capacity of fixing a single or two high-voltage wires, switching is simple and convenient, hardware fittings for replacing and fixing the high-voltage wires due to different quantities are reduced, the first support piece is clamped and fixed through the screws distributed at intervals, the wire cores are uniformly stressed, the installed cross arm insulator inclines upwards to enhance bearing capacity, the limiting piece and the connecting piece are matched to tension the support piece, the integral stability is ensured, the limiting block shares transverse shearing force on the screws, fatigue is reduced, and the service life is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (3)
1. The ultrahigh-voltage composite cross arm insulator with the multipurpose end fitting comprises a fixing piece (1) and first insulator bodies (2) which are symmetrically distributed, and is characterized in that a sliding piece (3) is arranged at one end of each first insulator body (2) in an embedded rotating mode, a bearing piece is arranged at the other end of each first insulator body (2) in an embedded rotating mode, the bearing pieces which are symmetrically distributed are limited and tensioned through limiting pieces (6), and the limiting pieces (6) are connected with the fixing piece (1) through connecting pieces (7);
the limiting piece (6) comprises a first threaded rod (61), adjusting pieces (63) are arranged at two ends of the first threaded rod (61), a second insulator body (64) is arranged at one end of each adjusting piece (63), a pull rod (65) is arranged on each second insulator body (64) in an embedded and rotating mode, each adjusting piece (63) comprises a first threaded sleeve (631), and a fourth connecting rod (632) is arranged on each first threaded sleeve (631);
the fixing piece (1) comprises a fixing plate (11), a fixing frame (12) is arranged on the fixing plate (11), a connecting plate (13) is obliquely arranged on the fixing plate (11), limiting blocks (14) distributed in an array mode are arranged on the front side and the back side of the connecting plate (13), and first connecting holes (16) are formed in the connecting plate (13);
the sliding piece (3) comprises a sliding block (31), a first connecting rod (32) is arranged on the sliding block (31), the first connecting rod (32) is connected with the first insulator body (2) in an embedded mode in a rotating mode, a sliding groove (33) is formed in the first connecting rod (32), a limiting groove (34) is formed in the sliding groove (33) in a communicating mode, the limiting groove (34) is in sliding fit with the limiting block (14), the sliding piece (3) is matched with the fixing plate (11) through the sliding groove (33) and is in sliding connection with the fixing piece (1), a second fixing hole (35) is formed in the sliding block (31), and a screw penetrates through the second fixing hole (35) and the first fixing hole (15) to enable the sliding piece (3) to be fixedly connected with the fixing piece (1);
the bearing part is one of a first supporting part (4) and a second supporting part (5);
the first supporting piece (4) comprises a fixing block (41), a second connecting rod (42) is arranged on the fixing block (41), the second connecting rod (42) is connected with the first insulator body (2) in an embedded mode in a rotating mode, a first through hole (43) is formed in the second connecting rod (42), a wire core cylinder (44) is arranged on the fixing block (41), first threaded holes (45) distributed in an array mode are communicated with the wire core cylinder (44), second threaded holes (46) distributed in an array mode are communicated with the wire core cylinder (44), and the first threaded holes (45) and the second threaded holes (46) are distributed in an alternating mode in the axis direction of the wire core cylinder (44);
the second supporting piece (5) comprises a supporting plate (51), a third connecting rod (52) is arranged on the supporting plate (51), the third connecting rod (52) is connected with the first insulator body (2) in an embedded type rotating mode, a second through hole (53) is formed in the third connecting rod (52), a rolling plate (54) is arranged on the supporting plate (51), the bottom of the rolling plate (54) is arc-shaped, two ends of the rolling plate are rolled up to form wire clamping grooves (57), a first clamping piece (55) is arranged on the rolling plate (54), and a second clamping piece (56) is arranged on the first clamping piece (55) in a rotating mode;
the first clamping piece (55) comprises a first clamping plate (551), a connecting groove (552) is formed in the first clamping plate (551), a third fixing hole (553) is formed in the connecting groove (552) in a communicating mode, a first arc-shaped groove (554) is formed in the first clamping plate (551), a guide groove (555) is formed in the first arc-shaped groove (554) in a communicating mode, a supporting column (556) is arranged in the guide groove (555) in a sliding mode, and the supporting column (556) is matched with the wire clamping groove (57);
second clamping piece (56) includes second clamping plate (561), is equipped with on second clamping plate (561) and rotates post (562), rotates post (562) and spread groove (552) normal running fit, is equipped with fourth fixed orifices (563) on rotating post (562), is equipped with second arc groove (564) on second clamping plate (561), and the screw rod passes backup pad (51), fourth fixed orifices (563) and third fixed orifices (553) control first clamping piece (55) and second clamping piece (56) and rotates.
2. The ultrahigh-voltage composite cross arm insulator with the multipurpose end fitting is characterized in that a second connecting hole (62) is formed in the first threaded rod (61), a positioning hole (66) is formed in the pull rod (65), the first threaded sleeve (631) is in threaded fit with the first threaded rod (61), and the fourth connecting rod (632) is connected with the second insulator body (64) in an embedded and rotating mode.
3. The ultrahigh-voltage composite cross arm insulator with the multipurpose end fitting is characterized in that the connecting piece (7) comprises a second threaded sleeve (71), a second threaded rod (72) is in threaded fit with both ends of the second threaded sleeve (71), one end of the second threaded rod (72) is rotatably provided with a connecting hook (73), the connecting hook (73) respectively hooks the second connecting hole (62) and the first connecting hole (16), and the distance between the connecting hooks (73) is adjusted by rotating the second threaded sleeve (71), so that the limiting piece (6) and the fixing piece (1) are tensioned.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111012524.9A CN113517099B (en) | 2021-08-31 | 2021-08-31 | Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111012524.9A CN113517099B (en) | 2021-08-31 | 2021-08-31 | Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting |
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| CN113517099A CN113517099A (en) | 2021-10-19 |
| CN113517099B true CN113517099B (en) | 2022-10-04 |
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| Publication number | Publication date |
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| CN113517099A (en) | 2021-10-19 |
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Denomination of invention: An ultra-high voltage composite cross arm insulator with multi-purpose end fittings Effective date of registration: 20230925 Granted publication date: 20221004 Pledgee: Anhui Changfeng Kong set Branch Keyuan village bank Limited by Share Ltd. Pledgor: GULIFA ELECTRIC Co.,Ltd. Registration number: Y2023980058778 |