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CN-121978372-A - Test fixture of electric high-voltage equipment

CN121978372ACN 121978372 ACN121978372 ACN 121978372ACN-121978372-A

Abstract

The invention discloses a test fixture of electrical high-voltage equipment, which relates to the technical field of electrical high-voltage equipment tests, wherein two sliding grooves are arranged on a workbench in parallel, a clamping mechanism is connected to one sliding groove in a sliding manner, an electrical detection mechanism is connected to the other sliding groove in a sliding manner, the clamping mechanism is assembled on one sliding groove in a sliding manner through a first sliding block, a first substrate is arranged above the first sliding block, a first screw lifter is arranged on the first substrate, a first rotating cylinder is arranged on the first screw lifter, a second screw lifter is transversely arranged on the first rotating cylinder, a pneumatic finger is assembled at the tail end of the second screw lifter, the electrical detection mechanism is assembled on one sliding groove through the second sliding block in a sliding manner, a second substrate is arranged above the second sliding block, a third screw lifter is arranged on the second substrate, and a second rotating cylinder is arranged on the third screw lifter. Compared with the prior art, the invention has the advantages of improving test accuracy, enhancing firm connection, realizing automatic adjustment and having a protection function.

Inventors

  • Mahemuti Maimaiti

Assignees

  • 马合木提·买买提

Dates

Publication Date
20260505
Application Date
20260227

Claims (10)

  1. 1. A test fixture for an electrical high voltage apparatus, comprising: The workbench (1), two sliding grooves (102) are arranged on the workbench (1) in parallel, a clamping mechanism (3) is connected to one sliding groove (102) in a sliding way, and an electrical detection mechanism (4) is connected to the other sliding groove (102) in a sliding way, wherein a protective cover (2) is assembled on the upper part of the workbench (1); the device comprises a protective cover (2), wherein a piece placing opening (202) is formed in the rear part of the protective cover (2), a piece taking door (201) is rotatably connected to the front part of the protective cover through a hinge, a camera (6) is arranged in the protective cover (2), and a plurality of guide pipe openings (203) are formed in the side elevation of the protective cover (2); The clamping mechanism (3), the clamping mechanism (3) is assembled on one sliding groove (102) in a sliding way through a first sliding block (302), a first base plate (303) is arranged above the first sliding block (302), a first screw rod lifter (304) is arranged on the first base plate (303), a first rotating cylinder (306) is arranged on the first screw rod lifter (304), a second screw rod lifter (308) is transversely arranged on the first rotating cylinder (306), and a pneumatic finger (310) is assembled at the tail end of the second screw rod lifter (308); The electric detection mechanism (4) is assembled on one sliding groove (102) in a sliding way through a second sliding block (402), a second base plate (403) is arranged above the second sliding block (402), a third screw rod lifter (404) is arranged on the second base plate (403), a second rotating cylinder (406) is arranged on the third screw rod lifter (404), a fourth screw rod lifter (408) is transversely arranged on the second rotating cylinder (406), and a standard test connector (411) is assembled at the tail end of the fourth screw rod lifter (408); The driving mechanism (5), the driving mechanism (5) comprises a driving motor (501), the driving motor (501) is respectively connected with the first sliding block (302) and the second sliding block (402) in a transmission way, and the sliding of the clamping mechanism (3) and the electrical detection mechanism (4) on the corresponding sliding groove (102) is realized.
  2. 2. The test fixture of electrical high-voltage equipment according to claim 1, wherein the bottom of the workbench (1) is provided with a supporting foot (101), and the bottom of the supporting foot (101) is provided with an anti-skid grain pad with rubber texture.
  3. 3. The test fixture of electrical high-voltage equipment according to claim 1, wherein the bottom of the protective cover (2) is fixedly connected with the workbench (1) through screws, the protective cover (2) is of a cuboid structure, a piece placing opening (202) bordering on a production line conveying belt is formed in the rear portion of the protective cover (2), and a piece taking door (201) for taking out fault products is arranged in the front portion of the protective cover.
  4. 4. A test fixture for electrical high voltage equipment according to claim 3, wherein the upper corner of the protective cover (2) is provided with cameras (6), and the cameras (6) are arranged diagonally.
  5. 5. The test fixture for the electrical high-voltage equipment, as set forth in claim 1, wherein the first slider (302) is welded with a first screw nut (301) at the bottom, the first substrate (303) is welded at the top, a first screw lifter (304) is longitudinally fixed on the first substrate (303), a first lifting table (305) is assembled at the tail end of the first screw lifter (304), a first rotating cylinder (306) is fixed on the first lifting table (305) through a positioning pin, a first rotating table (307) is rotatably connected on the first rotating cylinder (306), and a second transverse screw lifter (308) is fixed on the first rotating table (307) through a screw.
  6. 6. A test fixture for electrical high voltage equipment according to claim 1 or 5, wherein the tail end of the second screw rod lifter (308) is provided with a second lifting table (309), a pneumatic finger (310) is fixed on the second lifting table (309) through a locating pin, and a CDA pipe of the first rotating cylinder (306) and the pneumatic finger (310) is connected with a matched CDA supply device in an extending mode through a conduit opening (203).
  7. 7. The test fixture for the electrical high-voltage equipment, as claimed in claim 1, wherein the bottom of the second slider (402) is welded with a second screw nut (401), the top of the second slider is welded with a second substrate (403), a third screw lifter (404) is longitudinally fixed on the second substrate (403), a third lifting table (405) is assembled at the tail end of the third screw lifter (404), a second rotating cylinder (406) is fixed on the third lifting table (405) through a locating pin, a second rotating table (407) is rotatably connected on the second rotating cylinder (406), and a fourth screw lifter (408) transversely arranged on the second rotating table (407) is fixed through a screw.
  8. 8. A test fixture for electrical high voltage equipment according to claim 1 or 7, characterized in that the tail end of the fourth screw rod lifter (408) is provided with a fourth lifting table (409), a flexible pipe (410) is fixed on the fourth lifting table (409), a power line is wrapped in the flexible pipe (410), one end of the power line is provided with a standard test connector (411), the other end of the power line extends out of a conduit opening (203) to be connected with power supply equipment, and a CDA pipe of the second rotating cylinder (406) also extends out of a corresponding conduit opening (203) to be connected with matched CDA supply equipment.
  9. 9. The test fixture for the electrical high-voltage equipment, as set forth in claim 1, wherein a motor shaft of the driving motor (501) is connected with a gear reverser (502) through a coupling, transmission shafts (503) are rotatably assembled on two sides of the gear reverser (502), one transmission shaft (503) is rotatably connected to the first screw base (504), and the other transmission shaft (503) is rotatably connected to the second screw base (506).
  10. 10. The test fixture for electrical high voltage equipment according to claim 5, 7 or 9, wherein the first screw base (504) is provided with a first ball screw (505), the first screw nut (301) is slidably mounted on the first ball screw (505), the second screw base (506) is provided with a second ball screw (507), the second screw nut (401) is slidably mounted on the second ball screw (507), and the gear reverser (502) is a SPL spiral bevel reverser.

Description

Test fixture of electric high-voltage equipment Technical Field The invention relates to the technical field of electrical high-voltage equipment test, in particular to a test fixture of electrical high-voltage equipment. Background In the electrical field, a high-voltage electrical test is a key electrical test link for checking the insulation performance of electrical equipment. The connection mode between the high-voltage output lead and the tested product is used as an important component of the test system, and plays a vital role in the whole test process. At present, in an electrical high-voltage equipment test, a conventional connection mode mostly adopts a common crocodile wire clamp to directly and fixedly connect a wire and a tested product. The connection mode has a plurality of defects that (1) the test accuracy is affected, and the connection part of the common crocodile wire clamp, the wire and the tested product is easy to generate partial discharge in the test process. Electromagnetic interference and the like generated by partial discharge can interfere an electric signal acquired by a test, so that accuracy of a test result is affected to a certain extent, and test data cannot truly reflect insulation performance of electric equipment. (2) The connection firmness is poor, the clamping force of the common crocodile wire clamp is limited, the structural design is relatively simple, and in the test process, particularly when the test voltage is higher, the current is higher or the equipment vibration is larger, the wire clamp and a tested product are easy to loose or even break. The unstable connection not only can cause test interruption and influence test efficiency, but also can cause dangerous situations such as arc discharge and the like, thereby causing serious threat to personal safety of test personnel and test equipment. (3) The automatic adjusting function is lacking, the traditional connecting mode needs to be manually installed and adjusted, and quick and accurate connecting position adjustment cannot be realized for products to be detected with different specifications and sizes. The operation difficulty and the labor intensity of the test are increased, the accuracy and the consistency of connection are difficult to ensure each time, and the reliability of the test result is further influenced. Along with the continuous development of the electrical industry, the requirements on the accuracy and the safety of the electrical high-voltage equipment test are higher and higher, and the traditional connection mode is difficult to meet the requirements of modern tests, so that the development of a novel electrical high-voltage equipment test fixture has important practical significance. Disclosure of Invention The invention aims to provide a test fixture for electrical high-voltage equipment, which solves the problems of the prior art that the test accuracy is affected, the connection firmness is poor, the automatic adjustment function is lacked and the like in a connection mode, improves the test efficiency and the test safety of the electrical high-voltage equipment, and ensures the accuracy and the reliability of test results. Specifically, the technical scheme provided by the invention is that the test fixture of the electrical high-voltage equipment comprises: the workbench is provided with two sliding grooves in parallel, one sliding groove is connected with a clamping mechanism in a sliding way, and the other sliding groove is connected with an electrical detection mechanism in a sliding way; The rear part of the protective cover is provided with a piece placing opening, and the front part of the protective cover is rotationally connected with a piece taking door through a hinge; The clamping mechanism is assembled on one sliding chute in a sliding way through a first sliding block, a first substrate is arranged above the first sliding block, a first screw rod lifter is arranged on the first substrate, a first rotating cylinder is arranged on the first screw rod lifter, a second screw rod lifter is transversely arranged on the first rotating cylinder, and the tail end of the second screw rod lifter is provided with a pneumatic finger; The electrical detection mechanism is assembled on one sliding chute in a sliding way through a second sliding block, a second substrate is arranged above the second sliding block, a third screw rod lifter is arranged on the second substrate, a second rotating cylinder is arranged on the third screw rod lifter, a fourth screw rod lifter is transversely arranged on the second rotating cylinder, and a standard test connector is assembled at the tail end of the fourth screw rod lifter; The driving mechanism comprises a driving motor, the driving motor is respectively connected with the first sliding block and the second sliding block in a transmission way, and the sliding of the clamping mechanism and the electric detection mechanism on the correspon