CN212063427U - Flexible connecting device for lightning arrester of power transmission line - Google Patents
Flexible connecting device for lightning arrester of power transmission line Download PDFInfo
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- CN212063427U CN212063427U CN202021150897.3U CN202021150897U CN212063427U CN 212063427 U CN212063427 U CN 212063427U CN 202021150897 U CN202021150897 U CN 202021150897U CN 212063427 U CN212063427 U CN 212063427U
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- flange
- interlocking
- transmission line
- power transmission
- lightning arrester
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Abstract
The utility model discloses a transmission line arrester flexible connection device, include: the lightning arrester comprises a connecting plate, a first flange, an interlocking sliding rod, a buffer assembly, a second flange, a universal joint and a rotary suspension clamp, wherein one end of the connecting plate is connected with a lightning arrester, and the other end of the connecting plate is connected with one end of the interlocking sliding rod through the first flange; the buffer assembly is arranged on the interlocking slide rod; the other end of the interlocking sliding rod is connected with a universal joint through a second flange; the universal joint is connected with a rotary suspension clamp. The utility model provides a transmission line arrester flexible connection device makes connecting device can cushion the wave of wire at three degree of freedom through buffering subassembly and universal joint, has solved and has connected not firm problem between suspension type arrester and the wire.
Description
Technical Field
The utility model belongs to the technical field of power equipment, concretely relates to transmission line arrester flexible connection device.
Background
With the development of electric power technology in China and the continuous improvement of power grids in various regions, strategic projects such as ' east China ' electric power transmission ', ' Qian electric send Yue ' and the like started by China are effectively implemented, so that the power utilization pressure of some regions with power utilization shortage is relieved, and meanwhile, a development opportunity is provided for some remote regions. However, lightning is the primary cause of transmission line failure during power transmission. When the power transmission line is struck by lightning, the lightning can cause voltage impact on the power transmission line, damage the insulating layer of the power transmission line to enable the power transmission line to have flashover or generate an electric arc related phenomenon, and possibly cause the power transmission line to have interphase short circuit or short circuit to the ground in serious conditions, so that the power supply of a power system is interrupted, and the daily production and life of people are influenced. Therefore, it is necessary to install a lightning arrester on the power transmission line to improve the lightning resistance of the power transmission line.
The lightning arrester of the power transmission line is a lightning wave release device for limiting line lightning overvoltage and reducing line tripping caused by insulator flashover of the line due to the lightning overvoltage. At present, a power transmission line generally adopts a suspended lightning arrester to be installed between an iron tower (pole tower) and a wire, wherein the wire is a high-voltage end, the iron tower is a low-voltage end, the tail end of the lightning arrester is perpendicular to the wire below, and the lightning arrester and the wire have a certain height. When the power transmission line is struck by lightning, lightning waves are discharged to the ground through the lightning arrester hung on the wire and the iron tower, and the insulator is prevented from flashover, so that the line is prevented from tripping due to lightning overvoltage.
However, the prior art adopts 25 mm2The conductor lines of the copper braiding are used as lead lines, the lightning arrester ends are fixed by means of bolts, and the conductor ends are fixed by means of parallel groove clamps. Under the influence of wind, waving of the copper braiding wires occurs and the joints of the copper braiding wires and the parallel groove clamps are prone to breakage. Furthermore, the copper braiding wires belong to flexible wires and the compressive and compressive strength does not satisfy the wire dancing tension.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a transmission line arrester flexible connection device. The to-be-solved technical problem of the utility model is realized through following technical scheme:
a transmission line arrester flexible connection device includes:
a connecting plate, a first flange, an interlocking slide bar, a cushioning assembly, a second flange, a universal joint, and a swivel suspension clamp, wherein,
one end of the connecting plate is connected with a lightning arrester, and the other end of the connecting plate is connected with one end of the interlocking sliding rod through the first flange;
the buffer assembly is mounted on the interlocking slide bar;
the other end of the interlocking sliding rod is connected with the universal joint through a second flange;
the universal joint is connected with the rotary suspension clamp.
In an embodiment of the present invention, the connecting plate, the first flange, the interlocking slide rod, the second flange, the universal joint and the rotary suspension clamp are all connected by bolts.
In an embodiment of the present invention, the interlocking sliding rod comprises two matching sliding rods, the sliding rod comprises a rod body and an interlocking mechanism located at one end of the rod body, the interlocking mechanism is provided with a first preformed hole to make the rod body of the other matching sliding rod pass through the first preformed hole to form interlocking, and the other end of the rod body is provided with a second preformed hole;
and second preformed holes of the two slide rods are respectively connected with the first flange and the second flange.
In an embodiment of the present invention, wherein the main mold spring is sleeved on the interlocking slide rod by two between the interlocking mechanisms, and the auxiliary mold spring is respectively sleeved on the interlocking slide rod by two at the other end of the interlocking mechanism.
In an embodiment of the present invention, the primary mold spring and the secondary mold spring are metal coil springs.
In an embodiment of the present invention, the material of the primary mold spring and the secondary mold spring is high strength steel.
In an embodiment of the present invention, the main mold spring and the sub mold spring are both rectangular mold springs or circular mold springs.
The utility model discloses an in one embodiment, still include a length adjustment board, the length adjustment board has a plurality of first regulation holes, the length adjustment board passes through first regulation jogged joint the connecting plate, and connect simultaneously the first flange is in order to realize the length adjustment of whole device.
In an embodiment of the present invention, the adjusting precision of the length adjusting plate is 10 mm.
The utility model has the advantages that:
1. the utility model provides a flexible connecting device of a lightning arrester of a power transmission line, which enables the connecting device to buffer the waving of a wire in three degrees of freedom through a buffer component and a universal joint, and solves the problem that the connection between a suspension type lightning arrester and the wire is not firm;
2. the utility model provides a transmission line arrester flexible connection device adjustable length, and application scope is wide, can be applicable to 110kV transmission line arrester high-voltage terminal lead wire installation.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a flexible connection device for a lightning arrester of a power transmission line provided by an embodiment of the present invention;
fig. 2 is a left side view of fig. 1 provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first flange provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a slide rod according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an interlocking slide rod according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a circular die spring according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a universal joint according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a rotary suspension clamp according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a length adjustment plate according to an embodiment of the present invention;
description of reference numerals:
1-connecting plate, 11-first connecting hole, 12-second connecting hole, 13-second adjusting hole, 2-first flange, 21-third connecting hole, A-A-fourth connecting hole, 22-fifth connecting hole, B-B-sixth connecting hole, 3-interlocking slide rod, 31-slide rod, 31 a-rod body, 31B-interlocking mechanism, 32-first preformed hole, 33-second preformed hole, 4-buffer component, 41-main die spring, 42-auxiliary die spring, 5-second flange, 6-universal joint, 61-seventh connecting hole, 62-eighth connecting hole, 7-rotary suspension clamp, 8-length adjusting plate, 81-first adjusting hole and 82-ninth connecting hole.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Example one
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a flexible connection device for a lightning arrester of a power transmission line according to an embodiment of the present invention, and fig. 2 is a left side view of fig. 1, including:
a connecting plate 1, a first flange 2, an interlocking slide bar 3, a cushioning assembly 4, a second flange 5, a universal joint 6, and a swivel suspension clamp 7, wherein,
one end of the connecting plate 1 is connected with a lightning arrester, and the other end of the connecting plate is connected with one end of an interlocking sliding rod 3 through a first flange 2;
the buffer assembly 4 is arranged on the interlocking slide bar 3;
the other end of the interlocking slide rod 3 is connected with a universal joint 6 through a second flange 5;
the universal joint 6 is connected with a rotary suspension clamp 7.
In the embodiment, the connecting plate 1, the first flange 2, the interlocking slide bar 3, the second flange 5, the universal joint 6 and the rotary suspension clamp 7 are connected through bolts.
Further, please refer to fig. 3, fig. 3 is a schematic structural diagram of a connection plate according to an embodiment of the present invention, in which 3a is a left view of the connection plate, 3b is a front view of the connection plate, and 3c is a top view of the connection plate.
Specifically, the connection plate 1 is in the shape of an inverted "L" with dimensions 50 × 22 × 6 in mm. The upper surface of the lightning arrester is reserved with a first connecting hole 11 matched with the lightning arrester, and the first connecting hole 11 is circular and used for connecting the lightning arrester. Preferably, the connecting plate 1 is connected with the lightning arrester by bolts. Further, the lower end of the connecting plate 1 is provided with a second connecting hole 12 for connecting the first flange 2. In the present embodiment, the size of the second connection hole 12 may be selected to be 5 mm.
Correspondingly, be equipped with the third connecting hole 21 that corresponds with connecting plate 1 on the first flange 2, as shown in fig. 4, fig. 4 is the utility model provides a structural schematic diagram of first flange, wherein, 4a is the left view of first flange, and 4b is the main view of first flange, and 4c is the top view of first flange. Specifically, a fourth connection hole a-a corresponding to the second connection hole 12 is further disposed in the vertical direction of the third connection hole 21, please refer to fig. 4d, and fig. 4d is a cross-sectional enlarged view of the hole a-a. The third connection hole 21 and the fourth connection hole a-a are used to connect the first flange 2 and the connection plate 1. In addition, a fifth connecting hole 22 is further formed in the first flange 2, and a sixth connecting hole B-B is further formed in the vertical direction of the fifth connecting hole 22, please refer to fig. 4e, where fig. 4e is a cross-sectional enlarged view of the hole B-B. The fifth attachment hole 22 and the sixth attachment hole B-B are used to attach the first flange 2 and the interlocking slide bar 3.
Further, the interlocking slide rod 3 comprises two matching slide rods 31, please refer to fig. 5, fig. 5 is a schematic structural diagram of the slide rod provided by the embodiment of the present invention, wherein 5a is a front view of the slide rod, 5b is a top view of the slide rod, and 5c is a left view of the slide rod. Specifically, the sliding rod 31 comprises a rod body 31a and an interlocking mechanism 31b located at one end of the rod body 31a, the interlocking mechanism 31b is provided with a first prepared hole 32 so that the rod body 31a of another sliding rod 31 matched with the sliding rod passes through the first prepared hole 32 to form interlocking, and the other end of the rod body 31a is provided with a second prepared hole 33. In the actual production process, the interlocking mechanism 31b of the rod body 31a can be formed into the integral slide rod 31 by one-time processing.
The first preformed hole 32 allows the rod body 31a to pass through, and the second preformed hole 33 corresponds to the sixth connecting hole B-B of the first flange 2.
The rod bodies 31a of the two slide rods 31 penetrate through the first preformed holes 32 of the other side to form an interlocking slide rod 3; wherein, the two slide rods 31 can slide relatively along the length direction thereof, and a sliding contact part of the interlocking slide rod 3 is formed between the two interlocking mechanisms 31 b; the second prepared holes 33 of the two slide rods 31 are respectively connected with the first flange 2 and the second flange 5. Referring to fig. 6, fig. 6 is a schematic structural view of an interlocking slide rod according to an embodiment of the present invention.
Further, the cushion assembly 4 includes one main die spring 41 and two sub die springs 42; the main mold spring 41 is sleeved between the interlocking mechanisms 31b on the interlocking slide bar 3, and the two sub mold springs 42 are respectively sleeved at the other ends of the two interlocking mechanisms 31b on the interlocking slide bar 3, as shown in fig. 1.
Preferably, the primary mold spring 41 and the secondary mold spring 42 are both metal coil springs. More preferably, the material of the primary mold spring 41 and the secondary mold spring 42 is high strength steel.
The high-strength steel used in this embodiment is a heavy metal material, and refers to a steel material having a higher tensile strength and yield point than mild steel, also called high-tensile steel, and generally speaking, the yield strength of the high-strength steel is 460MPa or more, and the tensile strength is 1200MPa or more.
Further, the main die spring 41 and the sub die spring 42 are both rectangular die springs, or circular die springs. Please refer to fig. 7, fig. 7 is a schematic structural diagram of a circular mold spring according to an embodiment of the present invention.
In this embodiment, the lengths of the primary mold spring and the secondary mold spring can be arbitrarily selected according to the length of the interlocking slide rod, for example, the primary mold spring 41 can have dimensions of JBA30 × 20 × 120 × 39.2mm, and the secondary mold spring 42 can have dimensions of JBA30 × 20 × 70 × 39.2 mm.
Further, the second flange 5 used in the present embodiment has the same structure as the first flange 2, and will not be described here.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a universal joint according to an embodiment of the present invention, wherein 8a is a front view of the universal joint, and 8b is a left view of the universal joint, and specifically, the universal joint 6 is provided with a seventh connection hole 61 corresponding to the second preformed hole 34 on the sliding rod 31 and an eighth connection hole 62 for connecting the rotary suspension clamp 7.
The universal joint provided by the embodiment can rotate 360 degrees and is connected with the rotary suspension clamp 7 through the eighth connecting hole 62 in a bolt mode, so that the universal joint and the rotary suspension clamp have certain freedom degree.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a rotary suspension clamp according to an embodiment of the present invention, in which 9a is a front view of the rotary suspension clamp, and 9b is a left view of the rotary suspension clamp. In this embodiment, the rotary suspension clamp 7 is used for connecting and fixing a wire and has a certain inclination angle with the wire. Specifically, the rotary wire clamp can be correspondingly selected according to the type of the wire, for example: XGZ-4014M-XGZ-4022M.
Further, the flexible connection device for the lightning arrester of the power transmission line provided by the embodiment further comprises a length adjusting plate 8, the length adjusting plate 8 is provided with a plurality of first adjusting holes 81, the length adjusting plate 8 is connected with the connecting plate 1 through the adjusting holes 81, and is simultaneously connected with the first flange 2 to realize the length adjustment of the whole device.
Specifically, please refer to fig. 10, fig. 10 is a schematic structural diagram of a length adjustment plate according to an embodiment of the present invention, specifically, a first adjustment hole 81 is used for connecting with the connection plate 1. Correspondingly, the connecting plate 1 is provided with a second adjusting hole 13 corresponding to the first adjusting hole 81. The length adjustment plate 8 is further provided with a ninth connection hole 82 corresponding to the third connection hole 21 for connecting the first flange 2.
In the present embodiment, the size of the first and second adjusting holes 81 and 13 may be φ 10mm, and the adjusting accuracy of the length adjusting plate 8 is 10 mm.
The utility model provides a transmission line arrester flexible connection device makes connecting device can cushion the wave of wire at three degree of freedom through mould spring and universal joint, has solved and has connected not firm problem between suspension type arrester and the wire. Furthermore, the utility model provides a transmission line arrester flexible connection device adjustable length, and application scope is wide, can be applicable to 110kV transmission line arrester high-voltage terminal lead wire installation.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides a transmission line arrester flexible connection device which characterized in that includes:
a connecting plate (1), a first flange (2), an interlocking slide bar (3), a buffer component (4), a second flange (5), a universal joint (6) and a rotary suspension clamp (7), wherein,
one end of the connecting plate (1) is connected with a lightning arrester, and the other end of the connecting plate is connected with one end of the interlocking sliding rod (3) through the first flange (2);
the buffer assembly (4) is mounted on the interlocking slide bar (3);
the other end of the interlocking slide rod (3) is connected with the universal joint (6) through a second flange (5);
the universal joint (6) is connected with the rotary suspension clamp (7).
2. The flexible connection device for the lightning arrester of the power transmission line according to claim 1, wherein the connection plate (1), the first flange (2), the interlocking slide rod (3), the second flange (5), the universal joint (6) and the rotary suspension clamp (7) are connected by bolts.
3. The flexible connecting device of the arrester of the power transmission line according to claim 1, wherein the interlocking sliding rod (3) comprises two matched sliding rods (31), the sliding rod (31) comprises a rod body (31a) and an interlocking mechanism (31b) positioned at one end of the rod body (31a), a first prepared hole (32) is formed in the interlocking mechanism (31b) so that the rod body (31a) of the other matched sliding rod (31) can penetrate through the first prepared hole (32) to form interlocking, and a second prepared hole (33) is formed in the other end of the rod body (31 a);
second preformed holes (33) of the two slide rods (31) are respectively connected with the first flange (2) and the second flange (5).
4. The flexible connection device for a lightning arrester of a power transmission line according to claim 3, characterized in that the buffer assembly (4) comprises a main mould spring (41) and two secondary mould springs (42); the main die spring (41) is sleeved between the two interlocking mechanisms (31b) on the interlocking slide rod (3), and the two auxiliary die springs (42) are respectively sleeved at the other ends of the two interlocking mechanisms (31b) on the interlocking slide rod (3).
5. The flexible connection device for the lightning arrester of the power transmission line according to claim 4, wherein the main mold spring (41) and the auxiliary mold spring (42) are both metal coil springs.
6. The flexible connection device for the lightning arrester of the power transmission line according to claim 5, wherein the material of the main die spring (41) and the material of the auxiliary die spring (42) are both high-strength steel.
7. The flexible connection device for the lightning arrester of the power transmission line according to claim 4, wherein the main mold spring (41) and the auxiliary mold spring (42) are both rectangular mold springs or circular mold springs.
8. The flexible connection device for the lightning arrester of the power transmission line according to claim 1, characterized by further comprising a length adjusting plate (8), wherein the length adjusting plate (8) is provided with a plurality of first adjusting holes (81), and the length adjusting plate (8) is connected with the connecting plate (1) through the first adjusting holes (81) and is simultaneously connected with the first flange (2) to realize the length adjustment of the whole device.
9. The flexible connection device for the lightning arrester of the power transmission line according to claim 8, wherein the adjustment precision of the length adjustment plate (8) is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150897.3U CN212063427U (en) | 2020-06-19 | 2020-06-19 | Flexible connecting device for lightning arrester of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150897.3U CN212063427U (en) | 2020-06-19 | 2020-06-19 | Flexible connecting device for lightning arrester of power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN212063427U true CN212063427U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150897.3U Active CN212063427U (en) | 2020-06-19 | 2020-06-19 | Flexible connecting device for lightning arrester of power transmission line |
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| Country | Link |
|---|---|
| CN (1) | CN212063427U (en) |
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- 2020-06-19 CN CN202021150897.3U patent/CN212063427U/en active Active
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