CN217981712U

CN217981712U - High-voltage electrical equipment withstand voltage automatic validation device

Info

Publication number: CN217981712U
Application number: CN202221806583.3U
Authority: CN
Inventors: 陈浩盟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-06
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment. The lead fixing frame comprises a base, a case is fixedly connected to the top end of the base, a first rotating shaft penetrates through one side of the case, and a servo motor is fixedly mounted on the top end of the base and located outside the case. The utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment has and drags the lead wire and makes the lead wire be in the state of tightening, thereby the angle of restriction latch closure, thereby the ejector pin rises at the swivel nut internal rotation closed latch closure, and then accomplish the fixed to the lead wire, ram the staple of supporting leg into secret auxiliary stay lifter and avoid the slope after that, can carry out withstand voltage test, solved because withstand voltage test lead wire, the fixed improper technical problem that causes pressurization end to ground discharge or ground connection to lead to pressurization failure and equipment damage of cable head, the work efficiency and the fail safe nature of withstand voltage test have been improved.

Description

High-voltage electrical equipment withstand voltage automatic validation device

Technical Field

The utility model relates to a high-voltage electrical equipment is withstand voltage and is automatically verified technical field, especially relates to a withstand voltage automatic verification device of high-voltage electrical equipment.

Background

With the rapid development of electric power construction, the application quantity of high-voltage electrical equipment in a power grid is increased day by day, and the workload of high-voltage tests on the high-voltage electrical equipment is increased year by year; the high-voltage test such as strict handing-over and sampling inspection before the electrical equipment is put into use is an important basis for equipment operation, secondly, the routine or diagnostic high-voltage test is carried out on the electrical equipment in daily operation, a certain space distance exists between the test equipment and the tested equipment due to factors such as transformer substation forms, equipment structures and installation positions, the high-voltage lead wire in the pressurization test is in a downward arc shape under the action of gravity, the droop amplitude is larger along with the longer distance of the lead wire, the distance between the lead wire and an equipment shell and surrounding objects cannot keep a corresponding ground insulation distance, secondly, the test lead wire can swing left and right under the condition of wind blowing in the pressurization, the swing amplitude is larger along with the longer lead wire, the ground or the surrounding objects are easily discharged, and the pressurization equipment is easily damaged due to discharge impact. Even if some tested equipment and the pressurizing equipment have obstacles, the electrical equipment is in an in-box cabinet, and the like, so that the lead wires are required to bypass the obstacles or perform pressurizing tests under the condition of certain space angle, the fixing work of the pressurizing wires is time-consuming and labor-consuming, unsafe factors exist, and the cable head is required to be reliably fixed and then subjected to pressurizing tests when a pressure test is performed after the new cable is manufactured.

At present, the test personnel mostly adopt means such as dry insulator or insulator spindle support and insulating tape or dry white cloth tape ligature suspension to fix the test lead wire for several times according to the surrounding limitation condition, although this kind of traditional fixing method can play the effect of fixed support, there are great safety risk and hidden danger, secondly lead wire support, ligature etc. waste time and energy and seriously influence work efficiency. For example, the insulation rod or the insulation object is unstable in fixation and easy to fall off, which is easy to cause personal and equipment injuries; the insulating tape has the risks of insufficient strength, easy breakage, easy moisture of the white cloth tape and the like; when a leakage test of a transformer or other equipment is carried out, the error of the test result is larger due to the influence of various external factors. The pressurizing leads are not uniformly fixed, which is a main reason for leakage current difference, and testers with large leakage current difference repeatedly measure the leakage current to seriously affect the working efficiency.

The device is backward used based on the current lead fixing mode of the high-voltage equipment voltage withstand test, the working efficiency and the voltage withstand automatic validation test quality and reliability of the high-voltage electrical equipment are seriously influenced, and a greater safety risk exists.

Therefore, it is necessary to provide an automatic validation device for withstand voltage of high-voltage electrical equipment to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment has solved present withstand voltage test lead wire fixed mode and has used the utensil backward, seriously influences work efficiency, withstand voltage automatic validation test quality and reliability of high-voltage electrical equipment, and has the problem of great safety risk.

For solving the technical problem, the utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment, including proof pressure instrument and lead wire mount, the lead wire mount includes the base, the top fixedly connected with machine case of base, one side of machine case runs through there is first pivot, the top of base and the outside fixed mounting that is located machine case have servo motor, servo motor's output and first pivot fixed connection, its first bevel gear of inside fixedly connected with that is located machine case of one end of first pivot, the top of machine case runs through there is the second pivot, the one end of second pivot and the inside fixedly connected with second bevel gear that is located machine case, first hammer gear and second blow gear intermeshing, the other end fixedly connected with screw rod of second pivot, threaded connection has the connecting plate on the screw rod, fixedly connected with lifter on the connecting plate, the top fixedly connected with ejector pin of lifter, the top of ejector pin is provided with the hasp.

Preferably, the lock catch comprises a ring buckle, a threaded sleeve is fixedly connected to one side of the ring buckle, the threaded sleeve is in threaded connection with the ejector rod, and the ejector rod is made of an insulating material.

Preferably, the base is fixedly connected with a loop bar, the loop bar is sleeved outside the screw rod, the lifting rod is located inside the loop bar, a sliding groove is formed in the loop bar, the lifting rod is fixedly connected with a sliding block, the sliding block is located inside the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode.

Preferably, the outer surface of the loop bar is sleeved with a moving ring, the outer surface of the loop bar is fixedly connected with a sliding rail, and the inner wall of the moving ring is provided with a groove.

Preferably, the slide rail is located inside the groove, and the moving ring is connected with the loop bar in a sliding mode through the slide rail and the groove.

Preferably, the side movable mounting of shift ring has a plurality of supporting legs, and is a plurality of the even array distribution of supporting leg is on the shift ring, the one end movable mounting that the shift ring was kept away from to the supporting leg has the staple.

Preferably, the servo motor is powered by an external power supply.

Compared with the prior art, the utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment has following beneficial effect:

the utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment, it makes the lead wire be in the state of tightening to drag the lead wire, thereby the angle of restriction latch closure, thereby the ejector pin rises at the swivel nut internal rotation closed latch closure, and then accomplish the fixed to the lead wire, ram into the supplementary support lifter in underground with the staple of supporting leg and avoid inclining after that, can carry out withstand voltage test, solved because withstand voltage test lead wire, the fixed improper technical problem that causes pressurization end to ground discharge or ground connection to lead to pressurization failure and equipment damage of cable head, the work efficiency and the fail safe nature of withstand voltage test have been improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an automatic voltage withstand verification device for high-voltage electrical equipment according to the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the moving ring of the present invention;

FIG. 4 is a schematic structural view of the middle sleeve ring according to the present invention;

fig. 5 is a schematic structural view of the latch of the present invention;

fig. 6 is a schematic diagram of the cooperation between the pressure resistance tester and the lead wire fixing frame of the present invention.

Reference numbers in the figures: 1, base, 2, machine case, 3, first pivot, 4, servo motor, 5, first bevel gear, 6, second pivot, 7, second bevel gear, 8, screw rod, 9, connecting plate, 10, lifter, 11, ejector pin, 12, hasp, 13, latch closure, 14, swivel nut, 15, loop bar, 16, spout, 17, slider, 18, shift ring, 19, slide rail, 20, recess, 21, supporting leg, 22, staple, 23, proof test appearance, 24, the lead wire mount.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a schematic structural diagram of an automatic voltage withstand verification apparatus for high-voltage electrical equipment; FIG. 2 is a schematic view of a part of the structure of the automatic voltage-withstanding validation device for high-voltage electrical equipment; FIG. 3 is a schematic structural view of a moving ring in the automatic voltage-withstanding validation apparatus for high-voltage electrical equipment; FIG. 4 is a schematic structural view of a collar in the automatic voltage-withstanding validation device for high-voltage electrical equipment; FIG. 5 is a schematic structural view of a latch in the automatic voltage-withstanding validation device for high-voltage electrical equipment; fig. 6 is a schematic diagram of the cooperation between the pressure resistance tester and the lead wire fixing frame of the automatic pressure resistance testing device for high-voltage electrical equipment. The utility model provides a high-voltage electrical equipment withstand voltage automatic validation device, includes withstand voltage tester 23 and lead wire mount 24, lead wire mount 24 includes base 1, the top fixedly connected with machine case 2 of base 1, first pivot 3 has been run through to one side of machine case 2, the top of base 1 just is located the outside fixed mounting of machine case 2 and has servo motor 4, servo motor 4's output and first pivot 3 fixed connection, the one end of first pivot 3 its inside fixedly connected with first bevel gear 5 that is located machine case 2, the top of machine case 2 is run through has second pivot 6, the one end of second pivot 6 just is located the inside fixedly connected with second bevel gear 7 of machine case 2, first bevel gear and second blow gear intermeshing, the other end fixedly connected with screw rod 8 of second pivot 6, threaded connection has connecting plate 9 on the screw rod 8, fixedly connected with lifter 10 on connecting plate 9, the top fixedly connected with ejector pin 11 of lifter 10, the top of ejector pin 11 is provided with hasp 12.

Preferably, the latch 12 includes a buckle 13, one side of the buckle 13 is fixedly connected with a threaded sleeve 14, the threaded sleeve 14 is in threaded connection with the ejector rod 11, and the ejector rod 11 is made of an insulating material.

Preferably, fixedly connected with loop bar 15 on base 1, the outside of screw rod 8 is located to the loop bar 15 cover, lifter 10 is located the inside of loop bar 15, spout 16 has been seted up to the inside of loop bar 15, fixedly connected with slider 17 on the lifter 10, slider 17 is located the inside of spout 16,

slider

17 and 16 sliding connection of spout.

Preferably, the outer surface of the loop bar 15 is sleeved with a moving ring 18, the outer surface of the loop bar 15 is fixedly connected with a sliding rail 19, and the inner wall of the moving ring 18 is provided with a groove 20.

Preferably, the slide rail 19 is located inside the groove 20, and the moving ring 18 and the loop bar 15 are slidably connected through the slide rail 19 and the groove 20.

Preferably, a plurality of support legs 21 are movably mounted on the side of the moving ring 18, a plurality of support legs 21 are uniformly distributed on the moving ring 18 in an array manner, and a fixing nail 22 is movably mounted at one end of each support leg 21 far away from the moving ring 18.

Preferably, the servo motor 4 is powered by an external power supply.

The utility model provides a withstand voltage automatic validation device of high-voltage electrical equipment's theory of operation as follows:

the lead is placed in the inside of the lock catch 12, the supporting leg 21 is temporarily fixed, the rotation of the fixing leg is limited, then the servo motor 4 is started, the servo motor 4 drives the first rotating shaft 3 to drive the first bevel gear 5 and the second bevel gear 7 to start rotating, the second rotating shaft 6 and the screw 8 on the second bevel gear 7 rotate along with the first rotating shaft, the sliding block 17 on the lifting rod 10 is positioned in the sliding groove 16, the connecting plate 9 in threaded connection with the screw 8 drives the lifting rod 10 to start moving upwards, so that the lead is lifted, after the lead is moved to a proper height, the supporting leg 21 is rotated to drive the moving ring 18 to rotate, as the sliding rail 19 of the sleeve 15 is positioned in the groove 20 of the moving ring 18, the moving ring 18 drives the sleeve rod 15 to rotate, the ejector rod 11 on the lifting rod 10 is driven to rotate, at the moment, the lead is pulled to be in a tight state, so as to limit the angle of the ring buckle 13, the ejector rod 11 rotates and rises in the sleeve 14, so as to close the ring buckle 13, further to finish the fixing of the lead, then, the fixing of the fixing pin 22 of the supporting leg 21 is tamped into the underground to assist in the lifting rod 10 to avoid inclining, so as to carry out a withstand voltage test, thereby solving the difficult problems of the damage of the safety of the terminal to the terminal of the ground of the safety test and the safety of the safety test, and the reliability of the withstand voltage test, and the reliability of the safety test.

the lead wire is pulled to enable the lead wire to be in a tightened state, so that the angle of the loop is limited, the ejector rod rises in the threaded sleeve in a rotating mode to close the loop, the lead wire is fixed, then the fixing nail of the supporting leg is tamped into the underground auxiliary supporting lifting rod to avoid inclining, a pressure resistance test can be carried out, the technical problems that pressure failure and equipment damage are caused due to the fact that the pressure end discharges to the ground or the ground is connected due to improper fixation of the cable head in the pressure resistance test are solved, and the working efficiency and the safety reliability of the pressure resistance test are improved.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The high-voltage electrical equipment withstand voltage automatic testing device is characterized by comprising a withstand voltage tester and a lead fixing frame, wherein the lead fixing frame comprises a base, a case is fixedly connected to the top end of the base, a first rotating shaft penetrates through one side of the case, a servo motor is fixedly mounted on the top end of the base and located outside the case, the output end of the servo motor is fixedly connected with the first rotating shaft, one end of the first rotating shaft is fixedly connected with a first bevel gear located inside the case, a second rotating shaft penetrates through the top end of the case, one end of the second rotating shaft is fixedly connected with a second bevel gear located inside the case, the first bevel gear and the second blow gear are meshed with each other, a screw rod is fixedly connected to the other end of the second rotating shaft, a connecting plate is connected to the screw rod through threads, a lifting rod is fixedly connected to the connecting plate, a top end of the lifting rod is fixedly connected with a top rod, and a lock catch is arranged on the top end of the top rod.

2. The automatic validation device for withstand voltage of high-voltage electrical equipment according to claim 1, wherein the lock comprises a ring buckle, a threaded sleeve is fixedly connected to one side of the ring buckle, the threaded sleeve is in threaded connection with a push rod, and the push rod is made of an insulating material.

3. The automatic pressure-resistant validation device for the high-voltage electrical equipment according to claim 1, wherein a sleeve rod is fixedly connected to the base, the sleeve rod is sleeved outside the screw rod, the lifting rod is located inside the sleeve rod, a sliding groove is formed inside the sleeve rod, a sliding block is fixedly connected to the lifting rod, the sliding block is located inside the sliding groove, and the sliding block is in sliding connection with the sliding groove.

4. The automatic voltage withstand testing device for the high-voltage electrical equipment according to claim 3, wherein a moving ring is sleeved on the outer surface of the loop bar, a sliding rail is fixedly connected to the outer surface of the loop bar, and a groove is formed in the inner wall of the moving ring.

5. The automatic voltage-resistance validation device for high-voltage electrical equipment according to claim 4, wherein the slide rail is located inside the groove, and the moving ring and the loop bar are slidably connected through the slide rail and the groove.

6. The automatic validation device for withstand voltage of high-voltage electrical equipment according to claim 4, wherein a plurality of support legs are movably mounted on the side of the moving ring, the support legs are uniformly distributed on the moving ring in an array manner, and a fixing nail is movably mounted at one end, far away from the moving ring, of each support leg.

7. The automatic voltage withstand checking device according to claim 1, wherein the servo motor is powered by an external power supply.