CN217717990U - Tool for 10KV alternating current withstand voltage test - Google Patents
Tool for 10KV alternating current withstand voltage test Download PDFInfo
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- CN217717990U CN217717990U CN202221811509.0U CN202221811509U CN217717990U CN 217717990 U CN217717990 U CN 217717990U CN 202221811509 U CN202221811509 U CN 202221811509U CN 217717990 U CN217717990 U CN 217717990U
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- insulating sleeve
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Abstract
A tool for a 10KV alternating-current withstand voltage test comprises three tool units, wherein the three tool units are connected with A, B, C phase cable sleeves of a high-voltage power distribution cabinet in a one-to-one corresponding mode; each tool unit comprises a copper guide rod 1, an insulating sleeve composite piece and a fixing bolt, wherein the tail part of the copper guide rod is provided with a threaded part, and the head part of the copper guide rod is provided with a radial hole; the screw thread part of the tail part of the copper guide rod of each tool unit is respectively installed and fixed in a A, B, C phase cable sleeve, the tail end of an insulating sleeve composite part sleeved outside the copper guide rod is installed on the cable sleeve, the rear half section of the insulating sleeve composite part is arranged in a high-voltage power distribution cabinet, the front half section of the insulating sleeve composite part extends out of the high-voltage power distribution cabinet, the head part of the copper guide rod extends out of the head part of the insulating sleeve composite part, and a fixing bolt is inserted in a radial hole. Adopt the utility model discloses when carrying out the alternating current withstand voltage test, practiced thrift test time, effectively guaranteed testing personnel's personal safety, improved the work efficiency when experimental.
Description
Technical Field
The utility model belongs to power test equipment field specifically is a frock for alternating current withstand voltage test.
Background
With the rapid development of social economy, electric power resources play an important role in our working life. While the electricity brings convenience to people, people should pay attention to electricity safety. At present, as the number of residential districts increases and the management is more standard, the safety of the power distribution room of the district is also highly concerned by power supply departments and property companies. The power equipment used in the power distribution room needs to be electrically tested before power transmission to ensure the reliability of the power equipment, and the power distribution equipment in operation needs to be electrically tested in each overhaul period to check the integrity of the equipment. This poses a problem, and one of the electrical tests is an ac withstand voltage test. In an alternating-current voltage withstand test project, the safety distance between phases is insufficient due to the space of a power distribution cabinet, the conventional test method is a single-phase test, and only simple insulation protection measures can be adopted for A, B, C three-phase simultaneous test, so that the personal safety of testers cannot be ensured, and the accuracy of test data cannot be ensured. Meanwhile, the time cost and the labor cost of the test are very high.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned not enough of prior art and provide a 10KV exchanges frock for withstand voltage test, practiced thrift test time, effectively solved the personal safety who has guaranteed testing personnel, improved the work efficiency when experimental.
The technical scheme of the utility model is that: the three-phase cable bushing assembly comprises three tool units, wherein the three tool units are connected with a middle A, B, C phase cable bushing of a high-voltage power distribution cabinet in a one-to-one corresponding mode; each tool unit comprises a copper guide rod, an insulating sleeve composite piece and a fixing bolt, wherein the tail part of the copper guide rod is provided with a threaded part, and the head part of the copper guide rod is provided with a radial hole; the screw thread part at the tail part of the copper guide rod of each tool unit is respectively installed and fixed in a A, B, C phase cable sleeve, the tail end of an insulating sleeve composite part sleeved outside the copper guide rod is installed on the cable sleeve, the rear half section of the insulating sleeve composite part is arranged in a high-voltage power distribution cabinet, the front half section of the insulating sleeve composite part extends out of the high-voltage power distribution cabinet, the head part of the copper guide rod extends out of the head part of the insulating sleeve composite part, and a fixing bolt is inserted in a radial hole; the insulating sleeve composite part comprises an insulating sleeve, the inner cavity of the insulating sleeve is in a step shape and comprises a thick cylindrical cavity located at the tail part and a thin cylindrical cavity located at the front part, a pre-buried copper pipe fitting is arranged in the thin cylindrical cavity, the head part of the pre-buried copper pipe fitting extends out of the head part of the insulating sleeve and extends out of the head part by 20mm, and an insulating umbrella skirt is arranged on the outer wall of the insulating sleeve close to the head part of the pre-buried copper pipe fitting.
The shielding grounding stud is connected with a bolt provided with a grounding wire.
The installation of the screw thread portion of copper guide pole afterbody fixes on high voltage distribution cabinet's A looks cable sleeve 7 in a frock unit, and the installation of the screw thread portion of copper guide pole afterbody fixes on high voltage distribution cabinet's B looks cable sleeve in another frock unit, and the installation of the screw thread portion of copper guide pole afterbody fixes on high voltage distribution cabinet's C looks cable sleeve in the third frock unit, and copper wire gets up the copper guide pole short circuit of three-phase, carries out withstand voltage test.
The copper guide rod is arranged at the embedded copper pipe fitting arranged in the thin cylindrical cavity of the insulating sleeve in a penetrating mode, the threaded portion of the tail portion of the copper guide rod is arranged in the thick cylindrical cavity, and the head portion of the copper guide rod extends out of the head portion of the embedded copper pipe fitting.
The insulating umbrella skirt is adhered to the outer wall of the insulating sleeve.
Insulating full skirt plays and increases creepage distance among the insulation support, and the effect of increase air insulation distance, pre-buried copper pipe spare overall length 400mm plays the effect that increases the holistic intensity effect of insulation support and good electric conductivity, and 4mm are installed with M6 mm's bolt to shielding ground connection stud when the circular telegram test2The ground wire is used for safely grounding leakage current during testing, and plays a role in protecting the equipment per se and protecting the personal safety of testers and testing equipment. The fixed bolt prevents that compound insulating silica gel sleeve from droing.
The utility model discloses two problems have just fundamentally been solved to 10KV frock for withstand voltage test, because high voltage distribution cabinet's space problem, in the past just carry out the alternating current withstand voltage test after experimental cable junction finishes, this frock for withstand voltage only needs to go into the fixed back of copper conducting rod, puts into the insulating tube complex piece insulating distance, discharge distance, creepage distance when just can satisfying the experiment again. When alternating current withstand voltage is tested, the personal safety of testing personnel is effectively guaranteed, and the working efficiency during testing is improved.
After the set of tool for the voltage withstand test is installed, the other 2 phases are installed according to the same method, after three phases are installed, copper guide rods made of copper of the three phases are in short circuit connection through copper wires, then the voltage withstand test can be carried out, and the power-on test clamp of the voltage withstand test device is clamped on any one copper guide rod, so that the voltage withstand test of the three phases can be carried out together, and the test time is saved.
The utility model discloses beneficial effect lies in: simple to operate is simple, easily assembles, can realize batch production of batch production, can exchange when withstand voltage test, has effectively guaranteed tester's personal safety, has improved the work efficiency when experimental.
Drawings
FIG. 1 is a schematic view of a copper guide bar;
FIG. 2 is a schematic view of the construction of an insulation sleeve composite;
FIG. 3 is a cross-sectional view of an insulation sleeve composite;
fig. 4 is a schematic structural diagram of the present invention;
fig. 5 is a usage state diagram of the present invention.
Detailed Description
In fig. 1-5, the tool unit of the present invention comprises a copper guide rod 1, an insulation sleeve 2, and a fixing pin 6. The tail part of the copper guide rod 1 is provided with a thread part, and the head part of the copper guide rod 1 is provided with a radial hole for matching with the fixing bolt 6. The inner cavity of the insulating sleeve 2 is step-shaped and comprises a thick cylindrical cavity positioned at the tail part and a thin cylindrical cavity positioned at the front part, an embedded copper pipe fitting is arranged in the thin cylindrical cavity, and the head part of the embedded copper pipe fitting extends out of the head part of the insulating sleeve 2; an insulating shed 3 is arranged on the outer wall of the insulating sleeve 2 close to the head of the embedded copper pipe fitting 4, and a shielding grounding stud 5 is arranged in the middle of the outer wall of the insulating sleeve 2.
The copper guide rod 1 is a copper bar with a diameter phi of 12mm, the total length of the copper guide rod is 650mm, and the copper guide rodM12 screw threads are tapped at one end of the rod 1, so that the rod can be conveniently installed and fixed on the cable sleeve 7, and a round hole with the diameter of 6mm is formed at one end of the rod, so that the fixing bolt 6 can be conveniently installed. Insulating sleeve 2 overall length 600mm is the cylinder type and is pour the shaping by compound insulating silicon rubber material integration wherein including insulating full skirt 3, pre-buried copper pipe spare 4, shielding ground connection peg 5, wherein insulating full skirt 3 plays and increases creepage distance, the effect of increase air insulation distance, pre-buried copper pipe spare 4 overall length 400mm, play the effect that increases the holistic intensity effect of insulating sleeve and good electric conductivity, shielding ground connection peg 5 is installed 4mm with M6 mm's bolt when the circular telegram is experimental2The ground wire is used for safely grounding the leakage current during the test, and plays a role in protecting the equipment and a role in protecting the personal safety of testers and the test equipment.
During the experiment, install copper guide rod 1 threaded one end in high voltage distribution cabinet 8's cable sleeve 7 earlier, again with insulation support 2 through pour the shaping after reserve the cavity (be thick cylinder chamber promptly) suit cable sleeve 7 on, make copper guide rod 1 go up the pre-buried copper pipe fitting 4 that passes insulation support 2, then insert fixing pin 6 in the M6mm trompil is reserved to the other end of copper guide rod 1 again to prevent that compound insulating silica gel sleeve from droing.
After the set of tool for the voltage withstand test is installed, other 2 phases are installed according to the same method, after three phases are installed, copper conducting wires are used for connecting three phases of copper guide rods in a short circuit mode, then the voltage withstand test can be carried out, and the power-on test clamp of the voltage withstand test device is clamped on any one copper guide rod, so that the voltage withstand test of the three phases can be carried out together, and the test time is saved.
Claims (5)
1. The utility model provides a frock is used in 10KV alternating-current withstand voltage test which characterized in that: the three-phase cable bushing assembly comprises three tool units, wherein the three tool units are correspondingly connected with a middle A, B, C phase cable bushing (7) of a high-voltage power distribution cabinet (8) one by one; each tool unit comprises a copper guide rod (1), an insulating sleeve composite piece and a fixing bolt (6), the tail part of the copper guide rod (1) is provided with a threaded part, and the head part of the copper guide rod (1) is provided with a radial hole; the screw thread part of the tail part of the copper guide rod (1) of each tool unit is respectively installed and fixed in a A, B, C phase cable sleeve (7), the tail end of an insulating sleeve composite part sleeved outside the copper guide rod (1) is installed on the cable sleeve (7), the rear half section of the insulating sleeve composite part is arranged in a high-voltage power distribution cabinet (8), the front half section of the insulating sleeve composite part extends out of the high-voltage power distribution cabinet (8), the head part of the copper guide rod (1) extends out of the head part of the insulating sleeve composite part, and a fixing bolt (6) is inserted into a radial hole;
the insulating sleeve composite part comprises an insulating sleeve (2), the inner cavity of the insulating sleeve (2) is in a step shape and comprises a thick cylindrical cavity located at the tail part and a thin cylindrical cavity located at the front part, a pre-buried copper pipe fitting (4) is arranged in the thin cylindrical cavity, the head part of the pre-buried copper pipe fitting (4) extends out of the head part of the insulating sleeve (2), and an insulating umbrella skirt (3) is arranged on the outer wall of the insulating sleeve (2) close to the head part of the pre-buried copper pipe fitting (4).
2. The tool for the 10KV alternating-current withstand voltage test according to claim 1, characterized in that: the shielding grounding stud (5) is connected with a bolt provided with a grounding wire.
3. The tool for the 10KV alternating current withstand voltage test according to claim 1, characterized in that: the installation of screw thread portion of copper guide rod (1) afterbody is fixed on A looks cable sleeve pipe (7) of high voltage distribution cabinet (8) in a frock unit, the installation of screw thread portion of copper guide rod (1) afterbody is fixed on the B looks cable sleeve pipe of high voltage distribution cabinet (8) in another frock unit, the installation of screw thread portion of copper guide rod (1) afterbody is fixed on the C looks cable sleeve pipe of high voltage distribution cabinet (8) in the third frock unit, the copper wire gets up three-phase copper guide rod (1) short circuit, carry out withstand voltage test.
4. The tool for the 10KV alternating-current withstand voltage test according to claim 1, characterized in that: copper guide rod (1) wear to adorn in built-in pre-buried copper pipe spare (4) department in insulating sleeve (2) thin cylinder chamber, and thick cylinder intracavity is arranged in to the screw thread portion of copper guide rod (1) afterbody, and copper guide rod (1) head stretches out in pre-buried copper pipe spare (4) head.
5. The tool for the 10KV alternating current withstand voltage test according to claim 1, characterized in that: the insulating umbrella skirt (3) is adhered to the outer wall of the insulating sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221811509.0U CN217717990U (en) | 2022-07-13 | 2022-07-13 | Tool for 10KV alternating current withstand voltage test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221811509.0U CN217717990U (en) | 2022-07-13 | 2022-07-13 | Tool for 10KV alternating current withstand voltage test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217717990U true CN217717990U (en) | 2022-11-01 |
Family
ID=83779990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221811509.0U Active CN217717990U (en) | 2022-07-13 | 2022-07-13 | Tool for 10KV alternating current withstand voltage test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217717990U (en) |
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2022
- 2022-07-13 CN CN202221811509.0U patent/CN217717990U/en active Active
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