CN213813911U - Single-phase instantaneous artificial grounding short circuit test device for power transmission line - Google Patents
Single-phase instantaneous artificial grounding short circuit test device for power transmission line Download PDFInfo
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- CN213813911U CN213813911U CN202022831070.5U CN202022831070U CN213813911U CN 213813911 U CN213813911 U CN 213813911U CN 202022831070 U CN202022831070 U CN 202022831070U CN 213813911 U CN213813911 U CN 213813911U
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Abstract
The utility model relates to the technical field of electric power tests, in particular to a single-phase instantaneous manual grounding short circuit test device for a power transmission line, which comprises an electric tower, a base and a wireless remote controller, wherein the electric tower is fixedly connected with the power transmission line, the bottom of the electric tower is fixedly connected with a metal plate arranged on the ground through a grounding wire, the left side and the right side of the top of the base are vertically and fixedly connected with supporting plates, and a speed regulating motor is fixedly connected between the two supporting plates through a bracket; can be effectual make possessing simple structure of this design, convenient to use and the higher advantage of security, when using, can effectually drive the metal through the mode that steadily rises and draw the pitch arc to carry out the lifting, and slow and contact with the power transmission line, and the effect of cooperation telescopic cylinder can instantaneous again pull the centre gripping fastening effect that draws the pitch arc to the metal to make the metal balancing weight drive that ground connection metal pole is quick to contact with the metal sheet, and accomplish test operation.
Description
Technical Field
The utility model relates to an electric power test technical field, concretely relates to single-phase instantaneous artifical ground connection short circuit test device of transmission line.
Background
The single-phase instantaneous artificial grounding short circuit test mainly examines the control protection function and the characteristics of the power transmission line and series compensation, tests whether the protection and reclosing actions after the line fault are correct or not, and has important significance for verifying the safety and the reliability of a power system. Therefore, the manual short circuit test can simulate the single-phase instantaneous ground short circuit.
The mode that current test mode was mostly the remote control trigger bow and crossbow, draws the metal and draws the arc line by the end of arrow shaft to place the metal on the transmission line with the arc line that draws, and accomplish single-phase earth fault, but this kind of mode has following defect: firstly, the higher needs of power transmission line aim many times, the operation is complicated, and can not guarantee once to shoot the arrow successfully, is unfavorable for experimental stability to go on, and the incident appears easily in the mode that utilizes the arrow shaft to jet out and drive metal and draw the pitch arc, is unfavorable for the operation of peripheral staff.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a single-phase instantaneous artifical ground connection short circuit test device of transmission line, this design possess the security height, easy operation and the obvious advantage of test effect have solved original test mode security lower, operate complicated problem.
The utility model discloses a single-phase instantaneous manual ground connection short circuit test device of transmission line, including electricity tower, base and wireless remote controller, fixedly connected with transmission line on the electricity tower, the bottom of electricity tower is through earth connection fixedly connected with the metal sheet of arranging in ground, the left and right sides at base top all is perpendicular fixedly connected with backup pad, two through a support fixedly connected with buncher between the backup pad, fixedly connected with lead screw main part on the power output shaft of buncher, the body of rod surface swing joint of lead screw main part has ball nut, fixedly connected with the dead lever main part that is parallel with the lead screw main part on the backup pad on base top left side, fixedly connected with the line board of putting on the backup pad on base top right side, the left side fixedly connected with fixed block of line board bottom, the right side of fixed block is fixed with telescopic cylinder, the right side of the bottom of the wire placing plate is fixedly connected with a wire clamping block, and a through hole which is communicated up and down is formed in the surface of the wire placing plate and the position close to the wire clamping block.
The utility model discloses a single-phase instantaneous manual grounding short circuit test device of a power transmission line, wherein, the dead lever main body is composed of a plurality of auxiliary dead levers with the same length, and the top of each auxiliary dead lever is provided with a first jack, the bottom of each auxiliary dead lever is integrally formed with a first insert block, the right side of each auxiliary dead lever is provided with a limiting chute, and the first jack is matched with the first insert block; the screw rod main body is composed of a plurality of auxiliary screw rods with the same length, a second insertion hole is formed in the top of each auxiliary screw rod, a second insertion block is integrally formed at the bottom of each auxiliary screw rod, and the second insertion blocks are matched with the second insertion holes; the appearance of this design can be through many vice fixed poles butt joint dead lever main parts of highly different, can be through many vice screw rod butt joints lead screw main parts of highly different to make the not transmission line of co-altitude of the device adaptation.
The utility model discloses a single-phase instantaneous manual ground connection short circuit test device of transmission line, wherein, ball nut's left side horizontal fixedly connected with gag lever post, the left end of gag lever post is put in the spacing spout that dead lever main part right side was seted up, ball nut's right side fixedly connected with extension rod; the appearance of this design can utilize the removal of the spacing ball nut of the effect of dead lever main part and spacing spout, avoids ball nut to appear removing unstable problem.
The utility model discloses a single-phase instantaneous artifical ground connection short circuit test device of transmission line, wherein, the right side fixedly connected with stopper of extension rod bottom, the inside of stopper is along vertically running through fixedly connected with metal conducting rod, the front end fixedly connected with metal of metal conducting rod draws the pitch arc, the bottom that the pitch arc was drawn to the metal runs through line hole and fixedly connected with metal balancing weight, the bottom fixedly connected with ground connection metal pole of metal balancing weight, the ground connection metal pole is located the metal sheet directly over.
The utility model discloses a single-phase instantaneous manual grounding short circuit test device of a power transmission line, wherein, the right end of the telescopic cylinder and the left side of the wire clamping block are both fixedly connected with rubber blocks, and the two rubber blocks are respectively positioned on the left side and the right side of a metal arc leading line; the design can utilize the telescopic cylinder to stably place the metal arc striking wire on the left side of the wire clamping block when the device is not used.
The utility model discloses a single-phase instantaneous artifical ground connection short circuit test device of transmission line, wherein, the left side of fixed block is equipped with wireless transceiver, just telescopic cylinder's the execution unit passes through wireless transceiver and is connected with wireless remote controller.
The utility model discloses a single-phase instantaneous manual grounding short circuit test device of a power transmission line, wherein, the left side of the bottom of a wire placing plate is also fixedly connected with an insulating baffle; the design can protect the device.
The utility model discloses a single-phase instantaneous manual grounding short circuit test device of a power transmission line, wherein, the four corners of the bottom of the base are also fixedly connected with universal wheels; this design can facilitate movement and steering of the device.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a base of design, the buncher, the dead lever main part, the lead screw main part, ball nut, the design of extension rod and telescopic cylinder isotructure, can effectually make the possessing of this design simple structure, convenient to use and higher advantage of security, when using, can be effectual to drive the metal through the mode of steadily rising and draw the pitch arc and carry out the lifting, and slowly contact with the power transmission line, and cooperate telescopic cylinder's effect, can instantaneous again withdraw the centre gripping fastening action to the metal draws the pitch arc, thereby make the metal balancing weight drive the grounding metal pole quick contact with the metal sheet, and accomplish test operation, and cooperate the effect of line hole, can limit the falling orbit of metal drawing the pitch arc, the problem that the violent shake appears when avoiding the metal to draw the pitch arc to fall; the device can test after all staff all return to safe region, and the security is high.
2. The utility model discloses a lead screw main part that dead lever main part and many vice lead screws that constitute by many vice dead levers of design for the device can highly carry out the altitude mixture control according to the power transmission line, thereby makes the device can the not power transmission line of co-altitude of adaptation, and the suitability is stronger and make things convenient for carrying and the transportation in later stage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the base of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the metal conducting rod of the present invention after contacting with the power transmission line;
fig. 4 is a schematic perspective view of the auxiliary fixing rod of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the auxiliary lead screw of the present invention.
In the figure: 1. an electric tower; 2. a power transmission line; 3. a metal plate; 4. a base; 5. a support plate; 6. a fixing rod main body; 61. a first jack; 62. a first insert block; 63. an auxiliary fixing rod; 64. a limiting chute; 7. a speed-regulating motor; 8. a lead screw body; 81. a second jack; 82. a second insert block; 83. a sub screw rod; 9. a wireless remote controller; 10. a ball nut; 11. a limiting rod; 12. an extension pole; 121. a limiting block; 122. a metal conductive rod; 123. a metal arc lead; 124. a metal counterweight block; 125. a grounded metal rod; 13. a wire placing plate; 131. a wire passing hole; 14. a fixed block; 15. a wire clamping block; 16. a telescopic cylinder; 17. a wireless transceiver; 18. an insulating barrier.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-5, the utility model discloses a single-phase instantaneous manual grounding short circuit testing device of a power transmission line, which comprises an electric tower 1, a base 4 and a wireless remote controller 9, wherein the electric tower 1 is fixedly connected with a power transmission line 2, the bottom of the electric tower 1 is fixedly connected with a metal plate 3 arranged on the ground through a grounding wire, the left side and the right side of the top of the base 4 are vertically and fixedly connected with supporting plates 5, a speed regulating motor 7 is fixedly connected between the two supporting plates 5 through a bracket, a screw rod main body 8 is fixedly connected on a power output shaft of the speed regulating motor 7, the rod body surface of the screw rod main body 8 is movably connected with a ball nut 10, a fixing rod main body 6 parallel to the screw rod main body 8 is fixedly connected on the supporting plate 5 on the left side of the top of the base 4, a wire placing plate 13 is fixedly connected on the supporting plate 5 on the right side of the top of the base 4, and a fixing block 14 is fixedly connected on the left side of the bottom of the wire placing plate 13, a telescopic cylinder 16 is fixed on the right side of the fixing block 14, a wire clamping block 15 is fixedly connected on the right side of the bottom of the wire placing plate 13, and a wire passing hole 131 which is through up and down is formed in the surface of the wire placing plate 13 and the position close to the wire clamping block 15.
The fixing rod main body 6 is composed of a plurality of auxiliary fixing rods 63 with the same length, a first insertion hole 61 is formed in the top of each auxiliary fixing rod 63, a first insertion block 62 is integrally formed in the bottom of each auxiliary fixing rod 63, a limiting sliding groove 64 is formed in the right side of each auxiliary fixing rod, and the first insertion hole 61 is matched with the first insertion block 62; the screw rod main body 8 is composed of a plurality of auxiliary screw rods 83 with the same length, the top of each auxiliary screw rod 83 is provided with a second insertion hole 81, the bottom of each auxiliary screw rod 83 is integrally formed with a second insertion block 82, and the second insertion blocks 82 are matched with the second insertion holes 81; the appearance of this design can dock into the dead lever main part 6 of highly different through many vice dead levers 63, can dock into the lead screw main part 8 of highly different through many vice lead screws 83 to make the device adaptation power transmission line 2 of the not co-altitude.
A limiting rod 11 is transversely and fixedly connected to the left side of the ball nut 10, the left end of the limiting rod 11 is arranged in a limiting sliding groove 64 formed in the right side of the fixing rod main body 6, and an extension rod 12 is fixedly connected to the right side of the ball nut 10; the appearance of this design can utilize the removal of dead lever main part 6 and spacing spout 64's spacing ball nut 10 of effect, avoids ball nut 10 to appear removing unstable problem.
The right side fixedly connected with stopper 121 of extension rod 12 bottom, fixedly connected with metal conducting rod 122 is vertically run through along the inside of stopper 121, and the front end fixedly connected with metal of metal conducting rod 122 draws pitch arc 123, and the bottom that the pitch arc 123 was drawn to the metal runs through line hole 131 and fixedly connected with metal balancing weight 124, and the bottom fixedly connected with ground connection metal pole 125 of metal balancing weight 124, ground connection metal pole 125 is located metal sheet 3 directly over.
The right end of the telescopic cylinder 16 and the left side of the wire clamping block 15 are both fixedly connected with rubber blocks, and the two rubber blocks are respectively positioned on the left side and the right side of the metal arc-leading line 123; the design is provided, and the telescopic air cylinder 16 can be used for stably placing the metal arc-leading line 123 on the left side of the wire clamping block 15 when the device is not used.
The left side of the fixed block 14 is provided with a wireless transceiver 17, and the execution unit of the telescopic cylinder 16 is connected with the wireless remote controller 9 through the wireless transceiver 17.
The left side of the bottom of the wire placing plate 13 is also fixedly connected with an insulating baffle 18; the design can protect the device.
Four corners of the bottom of the base 4 are also fixedly connected with universal wheels; this design can facilitate movement and steering of the device.
When the utility model is used (working principle), a worker firstly makes the fixing rod main body 6 consisting of a plurality of auxiliary fixing rods 63 and the screw rod main body 8 consisting of a plurality of auxiliary screw rods 83 be adapted to the height of the power transmission line 2 according to the quantity of the auxiliary fixing rods 63 and the auxiliary screw rods 83 which are installed selectively with the height of the power transmission line 2;
then the speed regulating motor 7 is started, the driving shaft of the speed regulating motor 7 drives the screw rod main body 8 to rotate at a constant speed, the ball nut 10 is driven to ascend on the screw rod main body 8, the limiting rod 11 is driven to slide in the limiting sliding groove 64 to drive the extension rod 12 to ascend, when the extension rod 12 ascends, the metal leading arc line 123 can be driven to ascend together until the metal conducting rod 122 is arranged at the bottom of the power transmission line 2 and is tightly attached to the power transmission line 2, at the moment, surrounding workers can be evacuated to return to a safe area, the telescopic cylinder 16 is started in the safe area through the wireless remote controller 9, the inner rod of the telescopic cylinder 16 retracts, when the telescopic cylinder 16 retracts, the metal leading arc line 123 loses extrusion and fixation of a rubber block on the telescopic cylinder 16 instantly, the metal leading arc line 123 rapidly descends under the gravity action of the metal counterweight 124, and finally the grounding metal rod 125 is in instant contact with the metal plate 3, finally, completing the test;
before the test is started, the grounding metal rod 125 is always fixed at a position close to the wire clamping block 15 by the action of the telescopic cylinder 16, that is, before the test is started, the grounding metal rod 125 is always far away from the ground.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a single-phase instantaneous artifical ground connection short circuit test device of transmission line, includes electric tower (1), base (4) and wireless remote control (9), its characterized in that: the power transmission line is characterized in that the power transmission line (2) is fixedly connected to the electric tower (1), the bottom of the electric tower (1) is fixedly connected with a metal plate (3) which is arranged on the ground through a grounding line, the left side and the right side of the top of the base (4) are vertically and fixedly connected with supporting plates (5), an adjustable speed motor (7) is fixedly connected between the two supporting plates (5) through a bracket, a lead screw main body (8) is fixedly connected to a power output shaft of the adjustable speed motor (7), a ball nut (10) is movably connected to the surface of a rod body of the lead screw main body (8), a fixing rod main body (6) which is parallel to the lead screw main body (8) is fixedly connected to the supporting plate (5) on the left side of the top of the base (4), a wire placing plate (13) is fixedly connected to the supporting plate (5) on the right side of the top of the base (4), and a fixing block (14) is fixedly connected to the left side of the bottom of the wire placing plate (13), the right side of fixed block (14) is fixed with telescopic cylinder (16), put right side fixedly connected with trapping mechanism (15) of line board (13) bottom, put the surface of line board (13) and be close to trapping mechanism (15) position department and offer line hole (131) of crossing that link up from top to bottom.
2. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: the fixing rod main body (6) is composed of a plurality of auxiliary fixing rods (63) with the same length, a first insertion hole (61) is formed in the top of each auxiliary fixing rod (63), a first insertion block (62) is integrally formed in the bottom of each auxiliary fixing rod, a limiting sliding groove (64) is formed in the right side of each auxiliary fixing rod, and the first insertion hole (61) is matched with the first insertion block (62);
the lead screw main part (8) comprises many vice lead screws (83) of the same length, and second jack (81) have all been seted up at the top of every vice lead screw (83), the equal integrated into one piece in bottom has second inserted block (82), second inserted block (82) and second jack (81) looks adaptation.
3. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: the left side of the ball nut (10) is transversely and fixedly connected with a limiting rod (11), the left end of the limiting rod (11) is arranged in a limiting sliding groove (64) formed in the right side of the fixing rod main body (6), and the right side of the ball nut (10) is fixedly connected with an extension rod (12).
4. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 3, characterized in that: the right side fixedly connected with stopper (121) of extension rod (12) bottom, fixedly connected with metal conducting rod (122) is vertically run through along the inside of stopper (121), the front end fixedly connected with metal of metal conducting rod (122) draws pitch arc (123), the bottom that the pitch arc (123) was drawn to the metal is run through line hole (131) and fixedly connected with metal balancing weight (124), the bottom fixedly connected with ground connection metal pole (125) of metal balancing weight (124), ground connection metal pole (125) are located metal sheet (3) directly over.
5. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: the right end of telescopic cylinder (16) and the left side of clamp line piece (15) are all fixedly connected with rubber block, and two rubber blocks are located the left side and the right side of metal arc guiding line (123) respectively.
6. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: the left side of fixed block (14) is equipped with wireless transceiver (17), just the execution unit of flexible cylinder (16) passes through wireless transceiver (17) and is connected with wireless remote control (9).
7. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: the left side of the bottom of the wire placing plate (13) is fixedly connected with an insulating baffle (18).
8. The single-phase instantaneous artificial grounding short-circuit test device of the power transmission line according to claim 1, characterized in that: four corners of the bottom of the base (4) are fixedly connected with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831070.5U CN213813911U (en) | 2020-11-30 | 2020-11-30 | Single-phase instantaneous artificial grounding short circuit test device for power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831070.5U CN213813911U (en) | 2020-11-30 | 2020-11-30 | Single-phase instantaneous artificial grounding short circuit test device for power transmission line |
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| CN213813911U true CN213813911U (en) | 2021-07-27 |
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| CN202022831070.5U Active CN213813911U (en) | 2020-11-30 | 2020-11-30 | Single-phase instantaneous artificial grounding short circuit test device for power transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487812A (en) * | 2021-12-20 | 2022-05-13 | 广州广重企业集团有限公司 | Generator test device |
-
2020
- 2020-11-30 CN CN202022831070.5U patent/CN213813911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487812A (en) * | 2021-12-20 | 2022-05-13 | 广州广重企业集团有限公司 | Generator test device |
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