CN115128506B

CN115128506B - Electric leakage testing device and method

Info

Publication number: CN115128506B
Application number: CN202211045462.6A
Authority: CN
Inventors: 舒伟; 董汉; 陈超
Original assignee: Suzhou Tsing Standard Automobile Technology Co ltd
Current assignee: Suzhou Tsing Standard Automobile Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-02
Anticipated expiration: 2042-08-30
Also published as: CN115128506A

Abstract

The invention relates to the technical field of electric leakage test, in particular to an electric leakage test device and method, which comprises the following steps: the water tank, the inside of water tank is equipped with water and the first wire that stretches out from the aquatic, the top surface fixed mounting of water tank has two sets of guide pillars, the top fixed mounting of guide pillar has the roof, the top surface of roof is provided with the second wire, the bottom surface of roof is equipped with five strands of connecting wire parallelly connected with the second wire, the bottom of connecting wire is provided with the wire clamp, the top surface of water tank is installed and is adjusted the structure, it includes the crane to adjust the structure. According to the testing device, the fixing block is arranged, so that after the screwdriver main bodies are fixed inside the fixing block, the position height of the screwdriver main bodies can be continuously adjusted, the top ends of the insulating sheaths of the multiple groups of screwdriver main bodies are kept flush, the insulating sheaths of the screwdriver main bodies with different sizes can be soaked in water, the metal parts are not contacted with the water, and the accuracy of a testing result can be ensured.

Description

Electric leakage testing device and method

Technical Field

The invention relates to the technical field of electric leakage test, in particular to an electric leakage test device and method.

Background

The power battery charging and discharging tester and the balancing instrument can relate to the working condition of live-line operation in the assembling and debugging process. The screwdriver used in live working adds a layer of insulating sheath at the handle end, and the insulating sheath of the screwdriver is required to be qualified by 100% because of the live working condition. The screwdriver needs to perform electric leakage detection after being used for a period of time, the electric leakage detection equipment comprises a water storage tank with an upper opening, a support is arranged on the water storage tank, a fixing clamp, namely a spring clamp, connected with an insulating tool is arranged on the support, the exposed ends of the water storage tank and the tool are electrified, and whether a closed circuit is formed or not is judged to determine whether electric leakage exists in the insulating layer.

To this end, chinese application patent No.: CN201920 375915.9, which discloses an electric leakage detection device for an insulating tool, comprising a water storage tank with an opening; two sides of the water storage tank are respectively provided with a supporting leg; a cross beam is horizontally distributed between the supporting legs; a corresponding lead is arranged between the water storage tank and the cross beam; a supporting rod connected through a vertical rod is arranged below the cross beam; the supporting rod is provided with a magnetic strip which is magnetically connected with the insulating tool; a plurality of branch wires connected with the wires in parallel are arranged below the cross beam; the branch line is in an elastic spiral shape; the tail end of the branch line is provided with a magnetic attraction sheet. The utility model discloses it is rational in infrastructure, it is fixed through magnetism type of absorption, can fix to insulating tool fast and place and take off to fixed position is accurate, and the wire is connected and is adopted the magnetism actuation equally, can easily connect to the instrument of inconvenient centre gripping, and the effectual insulating tool leakage detection equipment who has solved prior art has the inconvenient technical problem of use.

But the device is when carrying out the electric leakage detection to the screwdriver of multiunit equidimension not simultaneously, because the length of screwdriver is different, and screwdriver insulating sheath's length is different, fixed back in the upper end to the screwdriver, the top of multiunit screwdriver insulating sheath then can not keep the parallel and level, lead to soaking the back in aqueous at longer screwdriver insulating sheath, the metal part of shorter screwdriver has contacted with water, and when the insulating sheath of shorter screwdriver soaked in aqueous, the insulating sheath of longer screwdriver can only have some to soak in aqueous, all can lead to the testing result not accurate.

Therefore, in order to solve the above problems, a leakage testing apparatus is proposed.

Disclosure of Invention

The invention aims to provide an electric leakage testing device, which solves the problem that when the device provided in the background technology is used for simultaneously detecting electric leakage of a plurality of groups of screwdrivers with different sizes, because the length of the screwdrivers is different and the length of insulating sheaths of the screwdrivers is different, after the upper ends of the screwdrivers are fixed, the top ends of the insulating sheaths of the screwdriver cannot be kept level and level, so that after the insulating sheath of a longer screwdriver is soaked in water, the metal part of the shorter screwdriver is already contacted with the water, and when the insulating sheath of the shorter screwdriver is soaked in the water, only one part of the insulating sheath of the longer screwdriver can be soaked in the water, and the detection result is not accurate.

In order to achieve the purpose, the invention provides the following technical scheme: an electrical leakage test apparatus comprising: the water tank is internally provided with water and a first wire extending out of the water, two groups of guide pillars are fixedly mounted on the top surface of the water tank, a top plate is fixedly mounted at the top ends of the guide pillars, a second wire is arranged on the top surface of the top plate, five connecting wires connected with the second wire in parallel are arranged on the bottom surface of the top plate, a wire clamp is arranged at the bottom end of each connecting wire, an adjusting structure is mounted on the top surface of the water tank and comprises a lifting frame, the lifting frame is slidably mounted in the middle of the two groups of guide pillars, the top surface of the lifting frame is fixedly connected with the ejection end of a cylinder, five groups of sliding grooves are formed in the surface of the lifting frame, five groups of fixing blocks are mounted on the top surface of the lifting frame, fixing grooves are formed in the top surface of the fixing block, abutting blocks are slidably mounted in the inside of the front wall of the abutting blocks, a first hand lever is movably mounted in the inside of the right side wall of the fixing blocks, sliding blocks are movably mounted in the right side wall of the fixing blocks, sliding blocks are fixedly connected with sliding blocks, abutting plates are slidably mounted in the inside of the sliding grooves, rubber pads are fixedly connected with rubber pads, second hand levers are movably mounted in the front walls of the abutting plates, and screw drivers are inserted in the fixing grooves.

Preferably, the collection structure is installed to the top surface of water tank, collect the structure and include the dead lever, the dead lever is provided with two sets ofly altogether, and is two sets of fixed mounting is at both ends about the water tank top surface respectively for the dead lever, there is the rotary rod on the top of dead lever through bearing movable mounting, the positive fixed welding at rotary rod middle part has the collecting plate, both ends fixedly connected with gear about the rotary rod, the fixed welding in both ends has rack plate, two sets of about the crane back the fixed welding in front side of dead lever has the gag lever post.

Preferably, the pilot lamp is installed in the front of roof, the connecting wire is spiral structure, five groups the connecting wire is located five groups fixed block's positive upside respectively, the screwdriver main part is total five groups, five groups the size diverse of screwdriver main part, five groups insulating sheath's top parallel and level in the screwdriver main part, the fixed block is run through via the fixed slot in the upper end of screwdriver main part.

Preferably, the lifting frame is located on the right upper side of the water tank, and the air cylinder is fixedly installed on the bottom surface of the top plate.

Preferably, the back of the abutting block is attached to the surface of the screwdriver body, and the front end of the first hand lever is exposed out of the front of the fixing block and is in threaded connection with the fixing block.

Preferably, the sliding block is slidably mounted inside the sliding groove, the height of the sliding block is smaller than that of the sliding groove, the front end of the second hand lever is exposed out of the front face of the fixing block and is in threaded connection with the fixing block, and the back face of the rubber pad is tightly attached to the front face of the sliding block.

Preferably, the rotating rod is located on the rear side of the guide pillar, the collecting plate is located between the water tank and the lifting frame, the gear is meshed with the rack plate, and the rack plate is slidably mounted on the inner side of the limiting rod.

A test method of an electric leakage test device comprises the following steps:

s1, inserting five groups of screwdriver main bodies into the five groups of fixing grooves respectively, rotating a first hand lever to fix the screwdriver main bodies in the fixing blocks, rotating a second hand lever to adjust the position height of the five groups of screwdriver main bodies, and clamping a lead at the upper end of the screwdriver main bodies;

s2, starting an air cylinder, driving a lifting frame to move downwards on the guide pillar by the air cylinder, driving a rack plate to descend by the lifting frame, meshing the rack plate with a gear, and driving a rotary rod and a collecting plate to turn over;

and S3, immersing the lower ends of the five groups of screwdriver main bodies on the lifting frame in water, connecting the first lead and the second lead with a power supply, and observing the indicator light.

Compared with the prior art, the invention has the beneficial effects that: according to the testing device, the fixing block is arranged, so that after the screwdriver main bodies are fixed inside the fixing block, the position height of the screwdriver main bodies can be continuously adjusted, the top ends of the insulating sheaths of the multiple groups of screwdriver main bodies are kept flush, the insulating sheaths of the screwdriver main bodies with different sizes can be soaked in water, the metal parts are not contacted with the water, and the accuracy of a testing result can be ensured.

Be provided with the water tank, adjust the structure, collect structure and screwdriver main part, rotatory fixed block, the bottom that makes the fixed slot is forward, so that insert the fixed block inside the upper end of screwdriver main part from the bottom of fixed slot, rotatory first hand lever, first hand lever promotes and supports the piece and tightly paste the surface at the screwdriver main part, the cooperation fixed slot, can fix the screwdriver main part on the fixed block, loosen the fixed block, the fixed block can receive gravity rotatory around the connecting block, make the screwdriver main part be in vertically.

Stimulate the fixed block from top to bottom, the fixed block passes through the connecting block and drives the slider activity from top to bottom in the inside of spout, can adjust the position height of screwdriver main part from top to bottom, and rotatory second hand-lever, promote the rubber pad and hug closely the slider, can fix the position height of screwdriver main part, make the insulating sheath top parallel and level of multiunit screwdriver main part, with the screwdriver main part of guaranteeing not equidimension when testing, insulating sheath all can soak in aqueous, and metal part not with the water contact, can guarantee the accuracy of test result, and because the screwdriver main part has been fixed by the fixed block, just can not appear when the adjustment position height, the circumstances in aqueous is fallen into to the screwdriver main part, the security is stronger.

When the lifting frame moves downwards, the rack plate can be driven to slide downwards on the inner side of the limiting rod, the rack plate is meshed with the gear, the gear can be driven to rotate by moving the rack plate, the gear is fixedly connected with the rotary rod, the front side of the rotary rod is fixedly connected with the collecting plate, the collecting plate can be driven to overturn by rotating the gear, when the screwdriver body is driven to enter water, the collecting plate is folded, and after the screwdriver body exits water, the collecting plate can shelter from the lower side of the screwdriver body again, water drops which drip on the surface of the screwdriver body can be caught, the distance of the water drops is reduced, the splashing area of water stains is reduced, the outer surface of the first wire is prevented from being wet, the conductive phenomenon occurs when testing, the safety accident is stronger in functionality, and the safety is higher.

Drawings

FIG. 1 is a front view schematically illustrating a structure of a screwdriver body according to the present invention in an assembled state;

FIG. 2 is a rear view schematically illustrating the structure of the screwdriver body according to the present invention in the mounted state;

FIG. 3 is a schematic front view of the adjusting mechanism of the present invention;

FIG. 4 is an exploded view of the structure of the conditioning structure of the present invention;

FIG. 5 is a schematic side sectional view of the structure of the chute of the present invention;

FIG. 6 is an exploded view of the mounting block of the present invention;

FIG. 7 is a schematic structural rear view of an assembly structure according to the present invention.

In the figure: 1. a water tank; 11. a first conductive line; 12. a guide post; 13. a top plate; 14. a second conductive line; 15. a connecting wire; 16. a wire clamp; 2. an adjustment structure; 21. a lifting frame; 22. a cylinder; 23. a chute; 24. a fixed block; 25. fixing grooves; 26. a resisting block; 27. a first hand lever; 28. connecting blocks; 29. a slider; 210. a resisting plate; 211. a rubber pad; 212. a second hand lever; 3. a collection structure; 31. fixing the rod; 32. rotating the rod; 33. a collection plate; 34. a gear; 35. a rack plate; 36. a limiting rod; 4. the screwdriver main part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown:

the first wire 11, the second wire 14, the connecting wire 15, the wire clamp 16 and the cylinder 22 used in the present application are directly available in the market, and the principle and the connection manner thereof are well known in the prior art, and thus will not be described herein.

An electrical leakage test apparatus comprising: the water tank comprises a water tank 1, wherein water and a first lead 11 extending out of the water are arranged inside the water tank 1, two groups of guide pillars 12 are fixedly arranged on the top surface of the water tank 1, a top plate 13 is fixedly arranged on the top ends of the guide pillars 12, a second lead 14 is arranged on the top surface of the top plate 13, five connecting wires 15 connected with the second lead 14 in parallel are arranged on the bottom surface of the top plate 13, a lead clamp 16 is arranged at the bottom end of each connecting wire 15, an adjusting structure 2 is arranged on the top surface of the water tank 1, the adjusting structure 2 comprises a lifting frame 21, the lifting frame 21 is slidably arranged in the middle of the two groups of guide pillars 12, the top surface of the lifting frame 21 is fixedly connected with the top end of a cylinder 22, five groups of sliding grooves 23 are formed in the surface of the lifting frame 21, five groups of fixing blocks 24 are arranged on the top surface of the fixing blocks 24, and a supporting block 26 is slidably arranged inside the fixing groove 25, a first hand lever 27 is movably mounted inside the front wall of the abutting block 26, a connecting block 28 is movably mounted inside the right side wall of the fixing block 24, a sliding block 29 is fixedly connected to the right end of the connecting block 28, an abutting plate 210 is slidably mounted inside the sliding groove 23, a rubber pad 211 is fixedly connected to the back of the abutting plate 210, a second hand lever 212 is movably mounted inside the front wall of the abutting plate 210, a screwdriver body 4 is inserted inside the fixing groove 25, the height of the fixing block 24 is adjustable, after the screwdriver body 4 is fixed inside the fixing block 24, the position height of the screwdriver body 4 can be continuously adjusted, the top ends of multiple groups of insulating sheaths of the screwdriver body 4 are kept parallel and level, it is ensured that the insulating sheaths of different screwdriver body sizes 4 can be immersed in water, metal parts are not contacted with water, and the accuracy of a test result can be ensured.

Further, collection structure 3 is installed to the top surface of water tank 1, it includes dead lever 31 to collect structure 3, dead lever 31 is provided with two sets ofly altogether, two sets of dead lever 31 are fixed mounting respectively at both ends about 1 top surface of water tank, there is rotary rod 32 on the top of dead lever 31 through bearing movable mounting, the front fixed welding at rotary rod 32 middle part has collection board 33, both ends fixedly connected with gear 34 about rotary rod 32, both ends fixed welding has rack plate 35 about the crane 21 back, the front side fixed welding of two sets of dead levers 31 has gag lever post 36, can hold 4 surface drips of screwdriver main part through collection board 33 and drench the drop of water, reduce the distance that the drop of water fell, reduce the area that splashes of water stain, avoid the surface humidity of first wire 11, take place the electric conduction phenomenon when the test, cause the incident functionality stronger, the security is higher.

Further, the pilot lamp is installed in the front of roof 13, connecting wire 15 is spiral structure, five groups of connecting wire 15 are located five groups of fixed block 24 positive upside respectively, screwdriver main part 4 is total five groups, five groups of screwdriver main part 4's size diverse, insulating sheath's top parallel and level on five groups of screwdriver main part 4, fixed block 24 is run through via fixed slot 25 to the upper end of screwdriver main part 4, insulating sheath's top parallel and level on screwdriver main part 4, when testing in order to guarantee not equidimension screwdriver main part 4, insulating sheath all can soak in aquatic, and the metal part is not with water contact, can guarantee test result's accuracy.

Further, the lifting frame 21 is positioned on the right upper side of the water tank 1, the air cylinder 22 is fixedly installed on the bottom surface of the top plate 13, and the air cylinder 22 provides power for the movement of the lifting frame 21.

Further, the back of the abutting block 26 is attached to the surface of the screwdriver body 4, the front end of the first hand lever 27 is exposed out of the front of the fixing block 24 and is in threaded connection with the fixing block 24, the abutting block 26 is matched with the fixing groove 25, the screwdriver body 4 can be fixed inside the fixing block 24, and the abutting block 26 can be driven to move inside the fixing groove 25 by rotating the first hand lever 27.

Further, the sliding block 29 is slidably mounted inside the sliding groove 23, the height of the sliding block 29 is smaller than that of the sliding groove 23, the front end of the second lever 212 is exposed out of the front surface of the fixed block 24 and is in threaded connection with the fixed block 24, the back surface of the rubber pad 211 is tightly attached to the front surface of the sliding block 29, the sliding block 29 can be driven to move inside the sliding groove 23 by rotating the second lever 212, and the sliding block 29 can be fixed inside the sliding groove 23 by the rubber pad 211.

Further, the rotary rod 32 is located the rear side of guide pillar 12, collecting plate 33 is located between water tank 1 and crane 21, gear 34 and rack plate 35 mesh, rack plate 35 slidable mounting is in the inboard of gag lever post 36, collecting plate 33 can accept the drop of water that drips on the screwdriver main part 4, with the distance that reduces the drop of water, reduce the area that splashes of water stain, the surface of avoiding first wire 11 is moist, take place electrically conductive phenomenon when the test, it is functional stronger to cause the incident, the security is higher.

A test method of an electric leakage test device comprises the following steps:

s1, inserting five groups of screwdriver bodies 4 into the five groups of fixing grooves 25 respectively, rotating a first hand lever 27 to fix the screwdriver bodies 4 in the fixing blocks 24, rotating a second hand lever 212 to adjust the position height of the five groups of screwdriver bodies 4, and clamping a lead clamp 16 at the upper end of the screwdriver bodies 4;

s2, starting the air cylinder 22, driving the lifting frame 21 to move downwards on the guide pillar 12 by the air cylinder 22, driving the rack plate 35 to descend by the lifting frame 21, and driving the rotary rod 32 and the collecting plate 33 to turn over as the rack plate 35 is meshed with the gear 34;

s3, the lower ends of the five groups of screwdriver main bodies 4 on the lifting frame 21 are soaked in water, the first conducting wire 11 and the second conducting wire 14 are connected with a power supply, and an indicator lamp is observed.

The working principle is as follows: pulling fixed block 24, fixed block 24 passes through connecting block 28 and rotates on crane 21, make the bottom of fixed slot 25 deflect to the front side, so that insert the upper end of screwdriver main part 4 inside fixed block 24 from the bottom of fixed slot 25, rotate first handle bar 27, first handle bar 27 and fixed block 24 threaded connection, the rotation of first handle bar 27 can promote to support piece 26, make to support piece 26 and tightly paste the surface at screwdriver main part 4, and cooperation fixed slot 25, can fix screwdriver main part 4 on fixed block 24, loosen fixed block 24, fixed block 24 can receive gravity rotatory around connecting block 28, make screwdriver main part 4 be in vertically.

Pulling the fixing block 24 up and down, the fixing block 24 drives the slider 29 to move up and down in the inside of the chute 23 through the connecting block 28, the position height of the screwdriver body 4 can be adjusted up and down, the top end of the insulating sheaths of the multiple groups of screwdriver bodies 4 is parallel and level, so as to ensure that the screwdriver bodies 4 with different sizes can be immersed in water when being tested, and metal parts are not contacted with water, the accuracy of a test result can be ensured, and because the screwdriver body 4 is fixed by the fixing block 24, the situation that the screwdriver body 4 falls into water when the position height is adjusted can not occur, meanwhile, the collecting plate 33 can shield the screwdriver body 4 at the lower side, and further the screwdriver body 4 is protected.

The wire clamp 16 is clamped at the top end of the screwdriver main body 4, the cylinder 22 is started, the cylinder 22 drives the lifting frame 21 to move downwards on the guide post 12, the lifting frame 21 drives the five groups of screwdriver main bodies 4 to be in contact with water inside the water tank 1, so that the insulating sheaths of the five groups of screwdriver main bodies 4 are soaked in the water, metal parts are not in contact with the water, the first wire 11 and the second wire 14 are powered on, the top plate 13 is observed, the condition that the insulating sheaths are damaged when the top plate 13 is bright is indicated, and the condition that the insulating sheaths are intact when the top plate 13 is not bright is indicated.

And when the lifting frame 21 moves downwards, the rack plate 35 is driven to slide downwards on the inner side of the limiting rod 36, the rack plate 35 is meshed with the gear 34, the gear 34 can be driven to rotate by the movement of the rack plate 35, the gear 34 is fixedly connected with the rotating rod 32, and the collecting plate 33 is fixedly connected to the front side of the rotating rod 32, so that the collecting plate 33 can be driven to turn over by the rotation of the gear 34, when the screwdriver body 4 enters water, the collecting plate 33 is folded, and after the screwdriver body 4 discharges water, the collecting plate 33 can be shielded on the lower side of the screwdriver body 4 again, water drops dripped from the surface of the screwdriver body 4 can be caught, the dripping distance of the water drops is reduced, the splashing area of water stains is reduced, the outer surface of the first lead 11 is prevented from being wet, a conduction phenomenon occurs during testing, a safety accident is caused, and water collected in the collecting plate 33 can be automatically poured into the water tank 1 along with the turning over of the collecting plate 33 during next testing, so that the functionality is stronger and the safety is higher.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An electrical leakage test apparatus, comprising: the water tank comprises a water tank (1), water and a first lead (11) extending out of the water are arranged inside the water tank (1), two groups of guide pillars (12) are fixedly mounted on the top surface of the water tank (1), a top plate (13) is fixedly mounted on the top end of each guide pillar (12), a second lead (14) is arranged on the top surface of each top plate (13), five connecting wires (15) connected with the second leads (14) in parallel are arranged on the bottom surface of each top plate (13), a lead clamp (16) is arranged at the bottom end of each connecting wire (15), an adjusting structure (2) is mounted on the top surface of the water tank (1), each adjusting structure (2) comprises a lifting frame (21), each lifting frame (21) is slidably mounted in the middle of the two groups of guide pillars (12), the top surface of each lifting frame (21) is fixedly connected with the ejection end of a cylinder (22), five groups of sliding grooves (23) are formed in the surface of each lifting frame (21), five groups of fixing blocks (24) are mounted on the top surface of each lifting frame (21), a fixing block (24) is provided with a fixing groove (25), a supporting block (26) is slidably mounted in the fixing groove (26), a movable block (26) is mounted on the front surface of the fixing block (26), and a right supporting rod (27) is mounted on the inner side wall of a movable connecting block (27), the right end of the connecting block (28) is fixedly connected with a sliding block (29), a supporting plate (210) is slidably mounted inside the sliding groove (23), a rubber pad (211) is fixedly connected to the back of the supporting plate (210), a second hand lever (212) is movably mounted inside the front wall of the supporting plate (210), a screwdriver main body (4) is inserted inside the fixing groove (25), a collecting structure (3) is mounted on the top surface of the water tank (1), the collecting structure (3) comprises fixing rods (31), the fixing rods (31) are provided with two groups, the two groups of fixing rods (31) are fixedly mounted at the left end and the right end of the top surface of the water tank (1) respectively, the top end of each fixing rod (31) is movably mounted with a rotating rod (32) through a bearing, the collecting plate (33) is fixedly welded on the front side of the middle part of the rotating rod (32), gears (34) are fixedly connected with the left end and the right end of the rotating rod (32), rack plates (35) are fixedly welded at the left end and the right end of the back of the lifting frame (21), a limiting rod (36) is fixedly welded on the front side of the fixing rod (31), the rotating rod (32) is located at the rear side of the guide post (12), the collecting plate (33) and the lifting frame (21) is engaged with the rack plates (35), the rack plate (35) is slidably mounted on the inner side of the limiting rod (36).

2. A leakage testing device according to claim 1, wherein: the utility model discloses a screwdriver, including roof (13), connecting wire (15) and connecting wire (4), the pilot lamp is installed in the front of roof (13), connecting wire (15) are spiral structure, five groups connecting wire (15) are located five positive upsides of group fixed block (24) respectively, screwdriver main part (4) are total five groups, five groups the size diverse of screwdriver main part (4), five groups insulating sheath's top parallel and level is gone up in screwdriver main part (4), the upper end of screwdriver main part (4) runs through fixed block (24) via fixed slot (25).

3. An electrical leakage test apparatus according to claim 1, wherein: the lifting frame (21) is located on the right upper side of the water tank (1), and the air cylinder (22) is fixedly installed on the bottom surface of the top plate (13).

4. An electrical leakage test apparatus according to claim 1, wherein: the back of the abutting block (26) is attached to the surface of the screwdriver main body (4), and the front end of the first hand lever (27) is exposed out of the front of the fixing block (24) and is in threaded connection with the fixing block (24).

5. An electrical leakage test apparatus according to claim 1, wherein: the sliding block (29) is slidably mounted in the sliding groove (23), the height of the sliding block (29) is smaller than that of the sliding groove (23), the front of the fixing block (24) is exposed at the front end of the second handle (212) and is in threaded connection with the fixing block (24), and the back of the rubber pad (211) is tightly attached to the front of the sliding block (29).

6. The method for testing an electrical leakage test apparatus according to any one of claims 1 to 5, comprising:

s1, inserting five groups of screwdriver main bodies (4) into the five groups of fixing grooves (25) respectively, rotating a first hand lever (27), fixing the screwdriver main bodies (4) in the fixing blocks (24), rotating a second hand lever (212), adjusting the position height of the five groups of screwdriver main bodies (4), and clamping a wire clamp (16) at the upper end of the screwdriver main bodies (4);

s2, starting the air cylinder (22), driving the lifting frame (21) to move downwards on the guide pillar (12) by the air cylinder (22), driving the rack plate (35) to descend by the lifting frame (21), meshing the rack plate (35) with the gear (34), and driving the rotating rod (32) and the collecting plate (33) to turn over;

s3, the lower ends of the five groups of screwdriver main bodies (4) on the lifting frame (21) are soaked in water, the first lead (11) and the second lead (14) are connected with a power supply, and an indicator lamp is observed.