CN213122028U - 10kV distribution cable interphase connecting device - Google Patents
10kV distribution cable interphase connecting device Download PDFInfo
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- CN213122028U CN213122028U CN202022090616.6U CN202022090616U CN213122028U CN 213122028 U CN213122028 U CN 213122028U CN 202022090616 U CN202022090616 U CN 202022090616U CN 213122028 U CN213122028 U CN 213122028U
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Abstract
The utility model discloses a 10kV distribution cable phase-to-phase connection device, which comprises a phase-to-phase connection line and a high-voltage wire clamp, wherein the high-voltage wire clamp is used for connecting the phase-to-phase connection line and the three phases of a distribution cable in series; the two ends of the interphase connecting wire are provided with inner screw holes, the high-voltage wire clamp is provided with outer screw threads, the outer screw threads are in threaded connection with the inner screw holes, and the distribution cable is located between the interphase connecting wire and the high-voltage wire clamp. An object of the utility model is to provide a 10kV distribution cable is connecting device alternately, this alternate connecting device can detect again after establishing ties the three-phase of cable, shortens cubic data acquisition work for once, and it is consuming time to reduce substantially the state detection.
Description
Technical Field
The utility model relates to a distribution cable overhauls technical field, especially relates to a 10kV distribution cable alternate connection device.
Background
With the rapid development of urban power distribution networks, the application of 10kV power distribution cables in urban power distribution networks is more and more extensive, and the running state of the 10kV power distribution cables directly determines the safe and stable power supply of the distribution networks. In order to discover hidden danger defects of cables in advance, the detection work of the state of a 10kV distribution cable is very important, and at present, detection equipment such as 0.1Hz ultralow frequency and oscillatory wave is mainly adopted to detect running characteristic parameters such as partial discharge and dielectric loss of the distribution cable and evaluate the running state of the cable.
The 10kV distribution cable is a three-core cable, after each phase is detected, the next phase is detected again after full discharge and phase change, the detection field work of the state of one 10kV distribution cable can be completed by repeating three times, and partial discharge and dielectric loss information of each phase cable needs to be acquired during each boosting detection.
Therefore, the data acquisition work needs to be repeated three times for one state detection work, which causes the state detection time to be too long, causes the power failure time of the user to be too long, and is not beneficial to the development of the whole work. In addition, once the state detection result shows that the cable has defects and needs to be subjected to fault first-aid repair, the detection time is too long, the defect processing time is shorter, and the processing difficulty is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 10kV distribution cable is connecting device alternately, this alternate connecting device can detect again after establishing ties the three-phase of cable, shortens cubic data acquisition work for once, and it is consuming time to reduce substantially the state detection.
The utility model discloses a following technical scheme realizes:
a10 kV distribution cable interphase connecting device comprises an interphase connecting wire and a high-voltage wire clamp, wherein the high-voltage wire clamp is used for connecting the interphase connecting wire and three phases of a distribution cable in series;
the two ends of the interphase connecting wire are provided with inner screw holes, the high-voltage wire clamp is provided with outer screw threads, the outer screw threads are in threaded connection with the inner screw holes, and the distribution cable is located between the interphase connecting wire and the high-voltage wire clamp.
Preferably, the high voltage wire clamp includes a long rod type high voltage wire clamp, a spiral high voltage wire clamp, and a compression ring type high voltage wire clamp.
Preferably, the long-rod type high-voltage wire clamp comprises a fixing rod, and one end of the fixing rod is provided with a first screw matched with the inner threaded hole;
when the long-rod-type high-voltage wire clamp is used for fixing the phase-to-phase connecting wire and the distribution cable, the first screw penetrates through a fixing hole in the end part of the distribution cable and then is in threaded connection with the inner threaded hole.
Preferably, the spiral high-voltage cable clamp comprises a connecting piece and a fixing piece, one end of the connecting piece is connected with the phase-to-phase connecting line, and the other end of the connecting piece is connected with the distribution cable through the fixing piece.
Preferably, the connecting piece comprises a connecting plate, a second screw is arranged at the left end of the connecting plate, and the second screw is in threaded connection with the inner threaded hole; the right end of the connecting piece is provided with a connecting hole, and the connecting hole is connected with the fixing piece.
Preferably, the fixing piece comprises a left fixing piece, a cushion block and a right fixing piece, a third screw rod is arranged on one side of the left fixing piece, a screw hole matched with the third screw rod is formed in the right fixing piece, and the left fixing piece is in threaded connection with the right fixing piece;
when the spiral high-voltage wire clamp is used for fixing the phase-to-phase connecting wire and the distribution cable, the third screw penetrates through the connecting hole, the cushion block and the fixing hole in sequence and then is in threaded connection with the right fixing piece.
Preferably, the press ring type high-voltage wire clamp comprises a fixed seat and a limiting rod; a groove is formed in the bottom of the fixed seat, a fourth screw matched with the inner threaded hole is arranged at the top of the fixed seat, a through hole is formed in the side face of the fixed seat, and the limiting rod penetrates through the through hole and can slide left and right in the groove;
when the press ring type high-voltage wire clamp is opposite to the phase-to-phase connecting wire and the distribution cable is fixed, the end part of the distribution cable is arranged in the groove, the limiting rod is used for fixing the distribution cable in the groove, and the fourth screw rod is in threaded connection with the inner threaded hole.
Preferably, the fixing plate is arranged in the groove and is fixedly connected with the left end of the limiting rod; when the limiting rod moves left and right in the groove, the limiting rod drives the fixing plate to move left and right.
Preferably, still include the handle, the handle is fixed set up in the right-hand member of gag lever post.
Preferably, the interphase connecting wire is covered with silicone rubber.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the connecting wire and the high-voltage wire clamp are arranged, three phases of a 10kV distribution cable can be sequentially connected in series, three data acquisition operations are shortened to one time, and the state detection time is greatly shortened;
2. the high-voltage wire clamps in various forms are arranged, and can be reasonably selected according to different types of cables;
drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the long-rod type high-voltage wire clamp of the present invention;
fig. 2 is a schematic view of a part of the structure of the spiral high-voltage wire clamp of the present invention;
fig. 3 is a schematic view of a part of the structure of the spiral high-voltage wire clamp of the present invention;
fig. 4 is a schematic view of a part of the structure of the spiral high-voltage wire clamp of the present invention;
fig. 5 is a schematic view of a part of the structure of the spiral high-voltage wire clamp of the present invention;
fig. 6 is a schematic structural view of the press ring type high-voltage wire clamp of the present invention;
reference numbers and corresponding part names in the drawings:
3. fixing the rod; 4. a first screw; 5. a connecting plate; 6. a second screw; 7. connecting holes; 8. a left securing member; 9. cushion blocks; 10. a right fixed member; 11. a third screw; 12. a screw hole; 13. a fixed seat; 14. a limiting rod; 15. a groove; 16. a fourth screw; 17. a fixing plate; 18. a handle.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
The 10kV distribution cable phase-to-phase connecting device comprises a phase-to-phase connecting line and a high-voltage wire clamp, wherein the high-voltage wire clamp is used for connecting the phase-to-phase connecting line and three phases of a distribution cable in series.
Specifically, the two ends of the interphase connecting line are provided with inner screw holes, the high-voltage wire clamp is provided with outer screw threads, the outer screw threads are in threaded connection with the inner screw holes, and the distribution cable is located between the interphase connecting line and the high-voltage wire clamp.
When data acquisition needs to be carried out on three phases (for convenience of subsequent description, marked as an A phase, a B phase and a C phase) of a 10KV cable, the B phase and the C phase of the cable are connected in series at a testing end by using an interphase connecting wire and a high-voltage wire clamp, the A phase and the C phase of the cable are connected in series at an opposite end by using the interphase connecting wire and the high-voltage wire clamp, and finally the three-core cable is converted into a single-core cable with the A phase, the B phase and the C phase connected in series. After connection is finished, partial discharge and dielectric loss detection of the 10kV distribution cable are carried out on the phase A at the testing end.
In this scheme, link together 10kV distribution cable with the mode of three-phase series connection through alternate connecting wire and high-voltage wire clamp, become by three-core cable with the single core cable of A looks, B looks and C three-phase series connection, carry out 1 times data acquisition and just can accomplish the state detection work of cable three-phase, under guaranteeing effectively that the location is put the defect in office and the reflection cable is situated between and is decreased the condition, shorten state detection scene length of time by a wide margin.
In addition, in this scheme, the high-voltage wire clamp of three kinds of forms of long rod type high-voltage wire clamp, spiral high-voltage wire clamp and clamping ring type high-voltage wire clamp has been set up in view of the different situations at cable terminal. When the cable terminal is a cable terminal with an elbow-shaped head accessory, a long-rod-type high-voltage wire clamp is adopted for fixing; when the cable terminal is a cable terminal without an elbow-shaped head and the cable terminal is clean and free of burrs, a spiral high-voltage wire clamp is adopted for fastening; when the cable terminal is a cable terminal without an elbow-shaped head and the cable terminal is not clean and has burrs, the cable terminal is fixed by a compression ring type high-voltage wire clamp.
In particular, the amount of the solvent to be used,
as shown in fig. 1, the long-rod type high-voltage wire clamp includes a fixing rod 3, and one end of the fixing rod 3 is provided with a first screw 4 matched with an inner screw hole. When the cable connector is used, the first screw rod 4 penetrates through the fixing hole in the end part of the distribution cable and then is in threaded connection with the inner threaded hole in the interphase connecting line.
As shown in fig. 2-5, the spiral high voltage wire clamp includes a connecting member and a fixing member.
Wherein, the connecting piece includes connecting plate 5, and the left end of connecting plate 5 is provided with second screw rod 6, and the right-hand member of connecting piece is provided with connecting hole 7. The firmware includes left mounting 8, cushion 9 and right mounting 10, and one side of left mounting 8 is provided with third screw rod 11, and right mounting 10 is provided with the screw 12 that matches with third screw rod 11. When in use, the second screw 6 of the connecting plate 5 is in threaded connection with the inner threaded hole on the alternate connecting line; and then, a third screw 11 on the left fixing piece 8 sequentially penetrates through a connecting hole 7 on the connecting plate 5, a cushion block 9 and a fixing hole at the end part of the distribution cable and then is in threaded connection with a right fixing piece 10.
As shown in fig. 6, the compression ring type high-voltage wire clamp comprises a fixed seat 13 and a limiting rod 14; the bottom of fixing base 13 is provided with recess 15, and the top of fixing base 13 is provided with fourth screw rod 16 with interior screw hole matching, and the side of fixing base 13 sets up the through-hole, and gag lever post 14 runs through the through-hole and can slide about in recess 15. When in use, the end part of the distribution cable is firstly placed in the groove 15; then the limiting rod 14 is rotated, so that the limiting rod 14 can fix the end part of the distribution cable in the groove 15; and finally, connecting the fourth screw 16 with the inner threaded hole on the interphase connecting line in a threaded manner.
In this embodiment, in order to facilitate the rotation of the stopper rod 14, a handle 18 is further provided on the stopper rod 14. In addition, considering that the bottom area of the stopper rod 14 is small, when the end portion of the distribution cable is fixed, the contact area between the stopper rod 14 and the end portion of the distribution cable is small, and the end portion of the distribution cable is easily detached from the groove 15. Therefore, in this scheme, still set up fixed plate 17 on gag lever post 14 to increased the area of contact of gag lever post 14 and distribution cable tip, make gag lever post 14 can be firm fix the distribution cable tip in recess 15.
Further, in the present embodiment, the outer surface of the inter-phase connection line is also covered with silicone rubber. The silicon rubber is used as an insulating material, so that the normal transmission of the partial discharge pulse wave at the partial discharge defect position cannot be influenced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The 10kV distribution cable phase-to-phase connecting device is characterized by comprising a phase-to-phase connecting wire and a high-voltage wire clamp, wherein the high-voltage wire clamp is used for connecting the phase-to-phase connecting wire and three phases of a distribution cable in series;
the two ends of the interphase connecting wire are provided with inner screw holes, the high-voltage wire clamp is provided with outer screw threads, the outer screw threads are in threaded connection with the inner screw holes, and the distribution cable is located between the interphase connecting wire and the high-voltage wire clamp.
2. The 10kV distribution cable phase-to-phase connection device of claim 1, wherein the high-voltage wire clamps comprise a long-rod type high-voltage wire clamp, a spiral high-voltage wire clamp and a compression-ring type high-voltage wire clamp.
3. The 10kV distribution cable interphase connecting device according to claim 2, wherein the long-rod type high-voltage cable clamp comprises a fixed rod (3), one end of the fixed rod (3) is provided with a first screw (4) matched with the inner threaded hole;
when the long-rod-type high-voltage wire clamp is used for fixing the phase-to-phase connecting wire and the distribution cable, the first screw (4) penetrates through a fixing hole in the end part of the distribution cable and then is in threaded connection with the inner threaded hole.
4. A 10kV distribution cable phase-to-phase connection as recited in claim 2, wherein the spiral high-voltage cable clamp comprises a connecting member and a fixing member, one end of the connecting member is connected with the phase-to-phase connection line, and the other end of the connecting member is connected with the distribution cable through the fixing member.
5. The 10kV distribution cable interphase connecting device according to claim 4, wherein the connecting piece comprises a connecting plate (5), a second screw (6) is arranged at the left end of the connecting plate (5), and the second screw (6) is in threaded connection with the inner threaded hole; the right end of the connecting piece is provided with a connecting hole (7), and the connecting hole (7) is connected with the fixing piece.
6. The 10kV distribution cable interphase connecting device according to claim 5, wherein the fixing piece comprises a left fixing piece (8), a cushion block (9) and a right fixing piece (10), a third screw (11) is arranged on one side of the left fixing piece (8), the right fixing piece (10) is provided with a screw hole (12) matched with the third screw (11), and the left fixing piece (8) is in threaded connection with the right fixing piece (10);
when the spiral high-voltage wire clamp is fixed to the phase-to-phase connecting wire and the distribution cable, the third screw (11) sequentially penetrates through the connecting hole (7), the cushion block (9) and the fixing hole in the end portion of the distribution cable and then is in threaded connection with the right fixing piece (10).
7. The 10kV distribution cable interphase connecting device according to claim 2, wherein the press ring type high-voltage wire clamp comprises a fixed seat (13) and a limiting rod (14); a groove (15) is formed in the bottom of the fixed seat (13), a fourth screw (16) matched with the inner threaded hole is arranged at the top of the fixed seat (13), a through hole is formed in the side face of the fixed seat (13), and the limiting rod (14) penetrates through the through hole and can slide left and right in the groove (15);
when the press ring type high-voltage wire clamp is opposite to the phase-to-phase connecting wire and the distribution cable is fixed, the end part of the distribution cable is arranged in the groove (15), the limiting rod (14) is used for fixing the distribution cable in the groove (15), and the fourth screw rod (16) is in threaded connection with the inner threaded hole.
8. The 10kV distribution cable interphase connecting device according to claim 7, further comprising a fixing plate (17), wherein the fixing plate (17) is arranged in the groove (15) and is fixedly connected with the left end of the limiting rod (14); when the limiting rod (14) moves left and right in the groove (15), the limiting rod (14) drives the fixing plate (17) to move left and right.
9. A 10kV distribution cable phase-to-phase connection device according to claim 8, further comprising a handle (18), wherein the handle (18) is fixedly arranged at the right end of the limit rod (14).
10. A 10kV distribution cable phase-to-phase connection according to any of claims 1-9, wherein an outer surface of the phase-to-phase connection line is covered with silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090616.6U CN213122028U (en) | 2020-09-22 | 2020-09-22 | 10kV distribution cable interphase connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090616.6U CN213122028U (en) | 2020-09-22 | 2020-09-22 | 10kV distribution cable interphase connecting device |
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| Publication Number | Publication Date |
|---|---|
| CN213122028U true CN213122028U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022090616.6U Active CN213122028U (en) | 2020-09-22 | 2020-09-22 | 10kV distribution cable interphase connecting device |
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| CN (1) | CN213122028U (en) |
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- 2020-09-22 CN CN202022090616.6U patent/CN213122028U/en active Active
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