CN216351021U - DC grounding fault finder - Google Patents

Abstract

The utility model relates to the technical field of electric power detection, in particular to a direct-current ground fault finder, which not only avoids the friction between a detector and an A foam board and a B foam board when the detector and the detector are taken and placed, reduces the abrasion between the B foam board and the A foam board, prolongs the service life of the B foam board and the A foam board, but also prevents the display screen from being scratched by external foreign matters falling onto the display screen, and improves the safety in the using process; the detector and the detector are both provided with display screens; still include protective housing, two sets of A cystosepiment, two sets of fixed columns, two sets of sliders, two sets of lead screws, two sets of splint, two sets of B cystosepiments, apron, two sets of bolts and two sets of display screen protection device, the inside cavity that is provided with of protective housing, the upper end of protective housing is the opening, both ends about two sets of A cystosepiments fixed mounting are respectively in the protective housing cavity, two sets of fixed columns are fixed mounting about in the protective housing cavity respectively two.

Description

DC grounding fault finder

Technical Field

The utility model relates to the technical field of power detection, in particular to a direct-current ground fault finder.

Background

The dc ground fault finder is an auxiliary device for finding the ground of a dc system, and has wide application in the field of power detection. The existing direct current ground fault finder comprises a detector, a detector and a protection box, wherein display screens are arranged on the detector and the detector, a plurality of groups of foam plates are fixedly arranged in the protection box, and the detector are both arranged in the protection box and clamped by the plurality of groups of foam plates; when the existing direct current ground fault finder is used, the detector and the detector are taken out of the protective box, then the detector is connected with the detector, and then the fault is searched, the existing direct current grounding fault searching instrument finds out the fault in the using process, after the detector and the detector are used for a plurality of times for a long time, the foam board clamping the detector and the detector is easy to wear because the detector and the detector need to be taken and placed frequently, so that the detector and the detector can not be clamped, the service life of the foam board is reduced, and after the detector and the detector are horizontally placed in the protection box, the display screen of the direct current grounding fault finder is arranged on the upper portion of the protection box, and the protection box is not internally provided with a display screen protection device, so that external dust or soil easily falls onto the display screen to scratch the display screen, the service life of the direct current grounding fault finder is shortened, and the direct current grounding fault finder is comprehensively poor in practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the direct-current ground fault finder which has the advantages that the friction between the detector and the foam board A and the foam board B when the detector and the detector are taken and placed is avoided, the abrasion between the foam board B and the foam board A is reduced, the service lives of the foam board B and the foam board A are prolonged, the scratch of a display screen caused by the fact that external foreign matters fall on the display screen is prevented, and the safety is high.

The direct current ground fault finder comprises a detector and a detector, wherein display screens are arranged on the detector and the detector; the protective box comprises a protective box body, two groups of A foam plates, two groups of fixed columns, two groups of sliding blocks, two groups of screw rods, two groups of clamping plates, two groups of B foam plates, a cover plate, two groups of bolts and two groups of display screen protective devices, wherein a cavity is arranged in the protective box body, the upper end of the protective box body is an opening, the two groups of A foam plates are fixedly arranged at the left end and the right end in the cavity of the protective box body respectively, the two groups of fixed columns are fixedly arranged at the left end and the right end in the cavity of the protective box body respectively, the two groups of sliding blocks are arranged on the two groups of fixed columns in a left-right sliding mode respectively, the two groups of screw rods are rotatably arranged at the left end and the right end of the protective box body respectively, the two groups of clamping plates are fixedly arranged at the upper ends of the two groups of sliding blocks respectively, the two groups of B foam plates are fixedly arranged on the two groups of clamping plates respectively, the cover plate is positioned above the protective box body, two groups of grooves are provided with through holes, and the protective box body is provided with two groups of internal thread holes, two groups of bolts respectively penetrate through two groups of through holes on the cover plate and are screwed with two groups of internal thread holes, so that the lower end of the cover plate is tightly attached to the upper end of the protective box, and two groups of display screen protective devices are arranged at the lower part of the cover plate; firstly, respectively placing a detector and a detector at the left part and the right part in a cavity of a protective box, respectively enabling the detector and the detector to be positioned between an A foam board and a B foam board at the left side and the right side, respectively enabling one end of the detector and one end of the detector to be respectively attached to the two groups of A foam boards, then respectively rotating two groups of screw rods, enabling two groups of slide blocks to drive two groups of clamping plates to move until the two groups of B foam boards are respectively attached to the detector and the detector, respectively attaching the display screens of the detector and the detector to the upper ends of the protective box, then placing a cover plate at the upper ends of the protective box, enabling two groups of display screen protection devices to cover the display screens on the detector and the detector, then screwing two groups of bolts and two groups of internal thread holes, enabling the cover plate to be attached to the protective box, when the detector and the detector are required to be used, taking down the cover plate, then rotating the two groups of screw rods, enabling the two groups of B foam boards not to clamp the detector and the detector, and then taking out the detector, because detector and detector do not have the friction with two sets of B cystosepiments and two sets of A cystosepiments when getting to put, so reduced the wearing and tearing of two sets of B cystosepiments and two sets of A cystosepiments, the life of two sets of B cystosepiments and two sets of A cystosepiments has been improved, and because the position of two sets of B cystosepiments can be adjusted, so when two sets of B cystosepiments appear slight wearing and tearing, can keep pressing from both sides tight to detector and detector through the position of adjusting two sets of B cystosepiments, the practicality is high, and the display screen on detector and the detector has been protected through display screen protection device, prevented that the display screen from being scratched, and service life is prolonged.

Preferably, the display screen protection device comprises a sliding plate, a connecting plate, a pressing plate, a base plate and two groups of first springs, wherein a sliding groove is formed in the lower end of the cover plate, the sliding plate is vertically and slidably mounted in the sliding groove of the cover plate, the connecting plate is fixedly mounted at the lower end of the sliding plate, the pressing plate is fixedly mounted at the lower end of the connecting plate, the base plate is fixedly mounted at the lower end of the pressing plate, the lower ends of the two groups of first springs are fixedly mounted at the upper end of the pressing plate, and the upper ends of the two groups of first springs are fixedly mounted at the lower end of the cover plate; when installing the apron in the guard box top during the downward lock, the lower extreme of backing plate can contact and cover the display screen with the display screen, has prevented on the display screen is fallen to external foreign matter, has improved the reliability.

Preferably, the protective box further comprises a support plate, fixed blocks, two groups of connecting blocks and two groups of screws, wherein the support plate is fixedly arranged at the lower end of the cavity of the protective box, the cover plate is fixedly arranged at the upper end of the support plate, left and right communicated slideways are arranged in the fixed blocks, the two groups of connecting blocks are respectively arranged at the left part and the right part of the slideways of the fixed blocks in a left and right sliding manner, the two groups of screws are respectively screwed with the two groups of fixed blocks, pressing blocks are arranged at the lower ends of the two groups of screws, the two groups of pressing blocks are respectively positioned at the upper ends of the two groups of connecting blocks, and the other ends of the two groups of connecting blocks are respectively fixedly arranged on the two groups of clamping plates; when removing two sets of splint, unscrew two sets of screw rods, make two sets of splint drive two sets of connecting blocks and remove, after two sets of splint stop moving, screw up two sets of screw rods, make two sets of briquettings compress tightly two sets of connecting blocks respectively fixedly, prevented that two sets of splint from removing, improved the stability of two sets of splint in the use.

Preferably, the buffer device further comprises a plurality of groups of second springs and two groups of buffer plates, wherein the two groups of buffer plates are respectively arranged on the two groups of connecting blocks through the plurality of groups of second springs, and the two groups of buffer plates are arranged in a left mirror image mode and a right mirror image mode; through the arrangement, the two groups of connecting blocks are prevented from directly colliding together in the moving process, and the reliability in the using process is improved.

Preferably, the lifting device further comprises a lifting handle and two groups of handles, wherein the lifting handle is fixedly arranged at the upper end of the cover plate, and the two groups of handles are respectively and fixedly arranged at the left end and the right end of the cover plate; through the arrangement, the cover plate can be conveniently moved, and the convenience of the cover plate in the using process is improved.

Preferably, the device also comprises a base, wherein the base is fixedly arranged at the lower end of the protective box; through the arrangement, the contact area between the lower end of the protection box and the ground is reduced, the protection box is prevented from being damped, and the service life of the protection box is prolonged.

Preferably, the handle and the two groups of screw rods are provided with handle sleeves; through the arrangement, the rotation of the two groups of screw rods and the grabbing of the lifting handle are facilitated, and the convenience in the use process is improved.

Compared with the prior art, the utility model has the beneficial effects that: firstly, respectively placing a detector and a detector at the left part and the right part in a cavity of a protective box, respectively enabling the detector and the detector to be positioned between an A foam board and a B foam board at the left side and the right side, respectively enabling one end of the detector and one end of the detector to be respectively attached to the two groups of A foam boards, then respectively rotating two groups of screw rods, enabling two groups of slide blocks to drive two groups of clamping plates to move until the two groups of B foam boards are respectively attached to the detector and the detector, respectively attaching the display screens of the detector and the detector to the upper ends of the protective box, then placing a cover plate at the upper ends of the protective box, enabling two groups of display screen protection devices to cover the display screens on the detector and the detector, then screwing two groups of bolts and two groups of internal thread holes, enabling the cover plate to be attached to the protective box, when the detector and the detector are required to be used, taking down the cover plate, then rotating the two groups of screw rods, enabling the two groups of B foam boards not to clamp the detector and the detector, and then taking out the detector, because detector and detector do not have the friction with two sets of B cystosepiments and two sets of A cystosepiments when getting to put, so reduced the wearing and tearing of two sets of B cystosepiments and two sets of A cystosepiments, the life of two sets of B cystosepiments and two sets of A cystosepiments has been improved, and because the position of two sets of B cystosepiments can be adjusted, so when two sets of B cystosepiments appear slight wearing and tearing, can keep pressing from both sides tight to detector and detector through the position of adjusting two sets of B cystosepiments, the practicality is high, and the display screen on detector and the detector has been protected through display screen protection device, prevented that the display screen from being scratched, and service life is prolonged.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the cover plate, handle and bolt, etc.;

FIG. 3 is a schematic structural view of a fixing block, a screw, a buffer plate and the like;

FIG. 4 is a schematic structural diagram of a fixing block, a connecting block, a screw rod and the like;

in the drawings, the reference numbers: 1. a protective box; 2. a, a foam board; 3. fixing a column; 4. a slider; 5. a screw rod; 6. a splint; 7. b, a foam board; 8. a cover plate; 9. a groove; 10. a bolt; 11. an internally threaded bore; 12. a slide plate; 13. a connecting plate; 14. pressing a plate; 15. a base plate; 16. a first spring; 17. a support plate; 18. a fixed block; 19. connecting blocks; 20. a screw; 21. a second spring; 22. a buffer plate; 23. a handle; 24. a handle; 25. a base.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

All be provided with the display screen on detector and the detector, 1 inside cavities that are provided with of protective housing, the upper end of protective housing 1 is the opening, two sets of A cystosepiments 2 are fixed mounting respectively and are in 1 indoor left and right sides both ends of protective housing, two sets of fixed column 3 are fixed mounting respectively and are in 1 indoor left and right sides both parts of protective housing, two sets of sliders 4 are left and right sides slidable mounting respectively on two sets of fixed column 3, two sets of lead screws 5 rotate respectively and install in 1 left and right sides both parts of protective housing, two sets of sliders 4 are respectively with 5 spiral fittings of two sets of lead screws, two sets of splint 6 are fixed mounting respectively in 4 upper ends of two sets of sliders, two sets of B cystosepiments 7 are fixed mounting respectively on two sets of splint 6, apron 8 is located protective housing 1 top, be provided with two sets of recesses 9 on the apron 8, all be provided with the through-hole in two sets of recesses 9, be provided with two sets of internal thread holes 11 on protective housing 1, two sets of bolts 10 pass two sets of through-hole and two sets of through-hole on apron 8 respectively and two sets of internal thread hole 11 spiral fittings make the lower extreme and protective housing 1 upper end of apron 8 and the upper end of apron The display screen protecting device comprises a sliding plate 12, a connecting plate 13, a pressing plate 14, a backing plate 15 and two groups of first springs 16, wherein the lower end of the cover plate 8 is provided with a chute, the sliding plate 12 is arranged in the chute of the cover plate 8 in a vertical sliding manner, the connecting plate 13 is fixedly arranged at the lower end of the sliding plate 12, the pressing plate 14 is fixedly arranged at the lower end of the connecting plate 13, the backing plate 15 is fixedly arranged at the lower end of the pressing plate 14, the lower ends of the two groups of first springs 16 are fixedly arranged at the upper end of the pressing plate 14, the upper ends of the two groups of first springs 16 are fixedly arranged at the lower end of the cover plate 8, the supporting plate 17 is fixedly arranged at the lower end of a cavity of the protective box 1, the cover plate 8 is fixedly arranged at the upper end of the supporting plate 17, left and right communicated slideways are arranged in the fixed block 18, and two groups of connecting blocks 19 are respectively arranged at the left and right sides of the slideways of the fixed block 18, the two groups of screw rods 20 are respectively screwed with the two groups of fixing blocks 18, pressing blocks are arranged at the lower ends of the two groups of screw rods 20, the two groups of pressing blocks are respectively positioned at the upper ends of the two groups of connecting blocks 19, the other ends of the two groups of connecting blocks 19 are respectively and fixedly arranged on the two groups of clamping plates 6, the two groups of buffer plates 22 are respectively arranged on the two groups of connecting blocks 19 through the plurality of groups of second springs 21, the two groups of buffer plates 22 are arranged in a left-right mirror image mode, the lifting handle 23 is fixedly arranged at the upper end of the cover plate 8, the two groups of handles 24 are respectively and fixedly arranged at the left end and the right end of the cover plate 8, and the base 25 is fixedly arranged at the lower end of the protection box 1; firstly, respectively placing a detector and a detector at the left part and the right part in a cavity of a protective box 1, respectively enabling the detector and the detector to be positioned between A foam boards 2 and B foam boards 7 at the left side and the right side, respectively enabling one ends of the detector and the detector to be respectively attached to two groups of A foam boards 2, then respectively rotating two groups of screw rods 5, enabling two groups of slide blocks 4 to drive two groups of clamping plates 6 to move until two groups of B foam boards 7 are respectively attached to the detector and the detector, flushing the display screens of the detector and the detector, then placing a cover plate 8 above the protective box 1 to move downwards to enable the lower end of the cover plate 8 to be attached to the upper end of the protective box 1, enabling the lower ends of two groups of backing plates 15 to be in contact with the display screens and cover the display screens in the downward moving process of the cover plate 8, then screwing two groups of bolts 10 and two groups of internal thread holes 11 to enable the cover plate 8 to be attached to the protective box 1, when the detector and the detector are needed to be used, take off apron 8, then rotatory two sets of lead screws 5, make two sets of B cystosepiments 7 not press from both sides tight detector and detector, then take out detector and detector in protective housing 1 cavity can, not only avoided detector and detector when getting to put with the friction of A cystosepiment 2 and B cystosepiment 7, the wearing and tearing of B cystosepiment 7 and A cystosepiment 2 have been reduced, the life of B cystosepiment 7 and A cystosepiment 2 has been improved, and prevented that external foreign matter from falling to cause the fish tail on the display screen, the security in the use has been improved, can keep pressing from both sides tight to detector and detector through the position of adjusting two sets of B cystosepiments 7 when slight wearing and tearing appear in two sets of B cystosepiments 7, therefore, the practicality is high.

As shown in fig. 1 to 4, in the dc ground fault finder of the present invention, during operation, the detector and the detector are respectively placed at the left and right parts of the chamber of the protection box 1, so that the detector and the detector are respectively located between the foam boards a 2 and B7 at the left and right sides, so that one ends of the detector and the detector are respectively adhered to the two foam boards a 2, then the two sets of screws 5 are respectively rotated, so that the two sets of sliders 4 drive the two sets of clamping plates 6 to move, until the two sets of foam boards B7 are respectively adhered to the detector and the detector, the display screens of the detector and the detector are both punched, then the cover plate 8 is placed above the protection box 1 to move downwards, so that the lower end of the cover plate 8 is adhered to the upper end of the protection box 1, the lower ends of the two sets of backing plates 15 contact with the display screen and cover the display screen during the downward movement of the cover plate 8, and then the two sets of bolts 10 are screwed to the two sets of internal threaded holes 11, make apron 8 and protective housing 1 paste closely, when needs used detector and detector, take off apron 8, then rotatory two sets of lead screws 5, make two sets of B cystosepiments 7 not press from both sides tight detector and detector, then take out detector and detector in protective housing 1 cavity and can.

The direct current ground fault finder has the advantages that the installation mode, the connection mode or the setting mode are common mechanical modes, and the direct current ground fault finder can be implemented as long as the beneficial effects of the direct current ground fault finder are achieved; the screw rod 5, the foam plate A2, the foam plate B7, the backing plate 15 and the second spring 21 of the direct current ground fault finder are purchased from the market, and the technical personnel in the industry only need to install and operate according to the attached operating instructions without creative labor of the technical personnel in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The direct-current ground fault finder comprises a detector and a detector, wherein display screens are arranged on the detector and the detector; the protective box is characterized by further comprising a protective box (1), two groups of foam boards A (2), two groups of fixing columns (3), two groups of sliding blocks (4), two groups of screw rods (5), two groups of clamping plates (6), two groups of foam boards B (7), a cover plate (8), two groups of bolts (10) and two groups of display screen protection devices, wherein a cavity is arranged in the protective box (1), the upper end of the protective box (1) is provided with an opening, the two groups of foam boards A (2) are respectively and fixedly arranged at the left end and the right end in the cavity of the protective box (1), the two groups of fixing columns (3) are respectively and fixedly arranged at the left part and the right part in the cavity of the protective box (1), the two groups of sliding blocks (4) are respectively and leftwards slidably arranged on the two groups of fixing columns (3), the two groups of screw rods (5) are respectively and rotatably arranged at the left part and the right part of the protective box (1), the two groups of sliding blocks (4) are respectively and screwed with the two groups of screw rods (5), the two groups of clamping plates (6) are respectively and fixedly arranged at the upper ends of the two groups of sliding blocks (4), two sets of B cystosepiments (7) are fixed mounting respectively on two sets of splint (6), apron (8) are located protective housing (1) top, be provided with two sets of recess (9) on apron (8), all be provided with the through-hole in two sets of recess (9), be provided with two sets of internal thread hole (11) on protective housing (1), two sets of bolt (10) pass two sets of through-holes on apron (8) respectively and two sets of internal thread hole (11) spiral shell dress make the lower extreme of apron (8) paste tightly with protective housing (1) upper end, the lower part at apron (8) is all installed to two sets of display screen protection device.

2. The direct current ground fault finder of claim 1, wherein the display screen protection device comprises a sliding plate (12), a connecting plate (13), a pressing plate (14), a backing plate (15) and two sets of first springs (16), a sliding slot is formed in the lower end of the cover plate (8), the sliding plate (12) is vertically slidably mounted in the sliding slot of the cover plate (8), the connecting plate (13) is fixedly mounted at the lower end of the sliding plate (12), the pressing plate (14) is fixedly mounted at the lower end of the connecting plate (13), the backing plate (15) is fixedly mounted at the lower end of the pressing plate (14), the lower ends of the two sets of first springs (16) are fixedly mounted at the upper end of the pressing plate (14), and the upper ends of the two sets of first springs (16) are fixedly mounted at the lower end of the cover plate (8).

3. The direct-current ground fault finder of claim 1, further comprising a support plate (17), a fixed block (18), two sets of connection blocks (19) and two sets of screws (20), wherein the support plate (17) is fixedly installed at the lower end of the cavity of the protective box (1), the cover plate (8) is fixedly installed at the upper end of the support plate (17), a slide way which is communicated with the left and right is arranged in the fixed block (18), the two sets of connection blocks (19) are respectively installed at the left and right parts of the slide way of the fixed block (18) in a left and right sliding manner, the two sets of screws (20) are respectively screwed with the two sets of fixed blocks (18), pressing blocks are respectively arranged at the lower ends of the two sets of screws (20), the two sets of pressing blocks are respectively located at the upper ends of the two sets of connection blocks (19), and the other ends of the two sets of connection blocks (19) are respectively fixedly installed on the two sets of clamping plates (6).

4. The direct current ground fault finder of claim 3, further comprising a plurality of sets of second springs (21) and two sets of buffer plates (22), wherein the two sets of buffer plates (22) are respectively mounted on the two sets of connecting blocks (19) through the plurality of sets of second springs (21), and the two sets of buffer plates (22) are mounted in a left-right mirror image.

5. The direct-current ground fault finder of claim 1, further comprising a handle (23) and two sets of handles (24), wherein the handle (23) is fixedly installed at the upper end of the cover plate (8), and the two sets of handles (24) are respectively fixedly installed at the left and right ends of the cover plate (8).

6. The dc ground fault finder of claim 1, further comprising a base (25), wherein the base (25) is fixedly mounted at a lower end of the shielding box (1).

7. The DC ground fault finder according to claim 5, wherein handles (23) and the two sets of lead screws (5) are provided with handles.

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