CN215340069U - Explosion-proof digital ground resistance tester - Google Patents
Explosion-proof digital ground resistance tester Download PDFInfo
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- CN215340069U CN215340069U CN202120209659.3U CN202120209659U CN215340069U CN 215340069 U CN215340069 U CN 215340069U CN 202120209659 U CN202120209659 U CN 202120209659U CN 215340069 U CN215340069 U CN 215340069U
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- tester
- ground resistance
- explosion
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses an explosion-proof digital ground resistance tester, relates to the field of digital ground resistance testers, and aims to solve the problems that an existing explosion-proof digital ground resistance tester in the prior art is unstable in internal structure and cannot adapt to a special working environment. One side of tester shell is provided with the apron, the internally mounted of tester shell has the mounting panel, one side of mounting panel is provided with the spacing groove, the internally mounted of apron has the stopper, the position of stopper and the position of spacing groove are corresponding, the internally mounted of spacing groove has the detection line, anchor clamps and regulation pole are installed to the one end of detection line, just the mounting groove that is provided with of mounting panel, the internally mounted of mounting groove has the detection body, the externally mounted who detects the body has the spacing frame of activity, the externally mounted of the spacing frame of activity has the pneumatic cylinder, the both ends of pneumatic cylinder respectively with spacing frame of activity and mounting panel fixed connection.
Description
Technical Field
The utility model relates to the technical field of digital ground resistance testers, in particular to an explosion-proof digital ground resistance tester.
Background
The digital ground resistance tester is specially designed and manufactured for measuring ground resistance on site, adopts the latest digital and microprocessing technology, measures the ground resistance by a 3-wire or 2-wire method, has unique wire resistance checking function, anti-interference capability and environment adaptability, and ensures high precision, high stability and reliability of measurement for a long time. The method is widely applied to the measurement of the grounding resistance of electric power, telecommunication, meteorology, oil fields, buildings, lightning protection, industrial electrical equipment and the like. The digital ground resistance measuring instrument is a novel ground resistance measuring instrument which is based on the prior art, abandons the traditional manual hand-operated power generation working mode, adopts an advanced large-scale integrated circuit and combines the three-terminal button and four-terminal button measuring modes into one model by applying a DC/AC conversion technology. The working principle is that the DC/AC converter in the machine changes the direct current into the low-frequency constant current of alternating current, the low-frequency constant current passes through the auxiliary grounding electrode C and the object to be measured E to form a loop, the alternating current voltage drop is generated on the object to be measured, the alternating current voltage drop is sent to the alternating current amplifier for amplification through the auxiliary grounding electrode P, and the alternating current voltage drop is sent to the meter head for display through the detection. With the aid of the magnification switch, three different limits can be obtained: 0-2 omega, 0-20 omega, 0-200 omega.
The resistance testers are various in types, and include a ground resistance tester, an insulation resistance tester, a direct current resistance tester, a surface resistance tester and a loop resistance tester, and the ground resistance tester is widely applied, wherein the most common explosion-proof digital ground resistance tester is the most common explosion-proof digital ground resistance tester, but the internal structure of the existing explosion-proof digital ground resistance tester is unstable and cannot adapt to a special working environment; therefore, the market urgently needs to develop an explosion-proof digital ground resistance tester to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an explosion-proof digital ground resistance tester, which solves the problems that the internal structure of the existing explosion-proof digital ground resistance tester proposed in the background technology is unstable and can not adapt to special working environment.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof digital ground resistance tester, includes the tester shell, one side of tester shell is provided with the apron, the internally mounted of tester shell has the mounting panel, one side of mounting panel is provided with the spacing groove, the internally mounted of apron has the stopper, the position of stopper is corresponding with the position of spacing groove, the internally mounted of spacing groove has the detection line, anchor clamps and regulation pole are installed to the one end of detection line, just the mounting panel be provided with the mounting groove, the internally mounted of mounting groove has the detection body, the externally mounted of detection body has the spacing frame of activity, the externally mounted of the spacing frame of activity has the pneumatic cylinder, the both ends of pneumatic cylinder respectively with spacing frame of activity and mounting panel fixed connection.
Preferably, install the hinge between apron and the tester shell, the apron passes through hinge and tester shell swing joint, just the apron passes through buckle fixed connection with the tester shell, the handle is installed to outside one side of tester shell, handle and tester shell welded connection.
Preferably, the up end of stopper is provided with anti-skidding cushion, the surface of anti-skidding cushion is provided with anti-skidding cushion, just the shape of anti-skidding cushion and the shape of stopper all are the same with the shape of spacing groove.
Preferably, mounting panel and tester shell welded connection, just the outside of mounting panel is provided with display screen, switch and pilot lamp, display screen, switch and pilot lamp all with detect body electric connection.
Preferably, the inner surface of the movable limiting frame is provided with a plurality of positioning cushion blocks, and the positioning cushion blocks are attached to the outer surface of the detection body.
Preferably, the detection line is electrically connected with the detection body, the clamp is fixedly connected with the detection line, the number of the adjusting rods is two, and a pressure spring is arranged between the two adjusting rods.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a through the setting of stopper, when the tester shell is closed, can cover the apron lid outside the tester shell, through the stopper of apron inside and the inside spacing groove of anti-skidding cushion embedding tester shell, carry on spacingly with the position of mounting panel and detection line to can make the tester shell in the transportation, wholly keep internal structure stable, protect its explosion-proof performance, strong adaptability is convenient for use for a long time.
2. The utility model discloses a through the setting of the spacing frame of activity, in long-term the use, the spacing frame of accessible pneumatic cylinder extrusion activity, the spacing frame of activity and location cushion extrude spacingly to detecting the body all around for the position that detects the body keeps sufficient stability inside the mounting groove, improves its safe effect, can effectual extension equipment's life.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is an internal structural view of a tester case of the present invention.
In the figure: 1. a tester housing; 2. a cover plate; 3. a limiting block; 4. an anti-slip soft cushion; 5. a limiting groove; 6. mounting a plate; 7. a display screen; 8. a switch; 9. an indicator light; 10. a handle; 11. a hinge; 12. detecting lines; 13. a clamp; 14. adjusting a rod; 15. a pressure spring; 16. mounting grooves; 17. a pneumatic cylinder; 18. a movable limit frame; 19. detecting a body; 20. and positioning the cushion block.
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.
Referring to fig. 1-3, an embodiment of the present invention is shown: an explosion-proof digital ground resistance tester comprises a tester shell 1, a cover plate 2 is arranged on one side of the tester shell 1, a mounting plate 6 is arranged inside the tester shell 1, a limiting groove 5 is arranged on one side of the mounting plate 6, a limiting block 3 is arranged inside the cover plate 2, the position of the limiting block 3 corresponds to the position of the limiting groove 5, a detection line 12 is arranged inside the limiting groove 5, a clamp 13 and an adjusting rod 14 are arranged at one end of the detection line 12, a mounting groove 16 is arranged on the mounting plate 6, a detection body 19 is arranged inside the mounting groove 16, a movable limiting frame 18 is arranged outside the detection body 19, a pneumatic cylinder 17 is arranged outside the movable limiting frame 18, two ends of the pneumatic cylinder 17 are respectively and fixedly connected with the movable limiting frame 18 and the mounting plate 6, in long-term use, the movable limiting frame 18 can be extruded by the pneumatic cylinder 17, the movable limiting frame 18 and a positioning cushion block 20 can extrude and limit the periphery of the detection body 19, the position of the detection body 19 is kept stable in the mounting groove 16, the safety effect is improved, and the service life of the device can be effectively prolonged.
Further, install hinge 11 between apron 2 and the tester shell 1, apron 2 passes through hinge 11 and tester shell 1 swing joint, and apron 2 and tester shell 1 pass through buckle fixed connection, and handle 10 is installed to outside one side of tester shell 1, and handle 10 and tester shell 1 welded connection protect 1 inside electrical structure of tester shell through apron 2.
Further, the up end of stopper 3 is provided with anti-skidding cushion 4, the surface of anti-skidding cushion 4 is provided with anti-skidding cushion block, and the shape of anti-skidding cushion 4 and the shape of stopper 3 all are the same with the shape of spacing groove 5, through 2 inside stopper 3 of apron and the inside spacing groove 5 of anti-skidding cushion 4 embedding tester shell 1, carry out the position of mounting panel 6 and detection line 12 spacing, thereby can make tester shell 1 in the transportation, wholly keep the inner structure stable, protect its explosion-proof performance.
Further, mounting panel 6 and 1 welded connection of tester shell, and mounting panel 6's outside is provided with display screen 7, switch 8 and pilot lamp 9, and display screen 7, switch 8 and pilot lamp 9 all with detect body 19 electric connection, record through display screen 7, switch 8 and pilot lamp 9 and show the testing result of detecting body 19.
Further, the internal surface of activity spacing frame 18 is provided with location cushion 20, and location cushion 20 is provided with a plurality of, and a plurality of location cushion 20 all laminates with the surface that detects body 19, and a plurality of location cushion 20 can improve the connection effect between activity spacing frame 18 and the detection body 19.
Further, the detection line 12 is electrically connected with the detection body 19, the clamp 13 is fixedly connected with the detection line 12, two adjusting rods 14 are arranged, a pressure spring 15 is installed between the two adjusting rods 14, and the position of the clamp 13 can be adjusted through the adjusting rods 14 and the pressure spring 15, so that the adaptability of the clamp 13 is improved.
The working principle is as follows: when the tester is used, when the tester shell 1 is closed, the cover plate 2 can be covered outside the tester shell 1, the limiting block 3 and the anti-skidding soft cushion 4 in the cover plate 2 are embedded into the limiting groove 5 in the tester shell 1, the positions of the mounting plate 6 and the detection line 12 are limited, so that the tester shell 1 can integrally keep stable internal structure in the transportation process, the anti-explosion performance and the adaptability of the tester shell are protected, the tester is convenient to use for a long time, the cover plate 2 is opened, the position of the clamp 13 can be adjusted through the adjusting rod 14 and the pressure spring 15, the adaptability of the clamp 13 is improved, the movable limiting frame 18 can be extruded by the pneumatic cylinder 17, the periphery of the detection body 19 is extruded and limited by the movable limiting frame 18 and the positioning cushion block 20, the position of the detection body 19 can keep enough stability in the mounting groove 16, the safety effect of the tester is improved, and the service life of the tester can be effectively prolonged, the detection result of the detection body 19 is recorded and displayed through the display screen 7, the switch 8 and the indicator lamp 9.
It will be evident to those skilled in the art that the utility model 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 utility model 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 (6)
1. The utility model provides an explosion-proof digital ground resistance tester, includes tester shell (1), its characterized in that: a cover plate (2) is arranged on one side of the tester shell (1), a mounting plate (6) is arranged in the tester shell (1), a limiting groove (5) is arranged at one side of the mounting plate (6), a limiting block (3) is arranged in the cover plate (2), the position of the limiting block (3) corresponds to the position of the limiting groove (5), a detection line (12) is arranged in the limiting groove (5), one end of the detection line (12) is provided with a clamp (13) and an adjusting rod (14), and the mounting plate (6) is provided with a mounting groove (16), a detection body (19) is arranged in the mounting groove (16), a movable limit frame (18) is arranged outside the detection body (19), a pneumatic cylinder (17) is arranged outside the movable limit frame (18), and two ends of the pneumatic cylinder (17) are respectively fixedly connected with the movable limiting frame (18) and the mounting plate (6).
2. An explosion-proof digital ground resistance tester as defined in claim 1 wherein: install hinge (11) between apron (2) and tester shell (1), apron (2) are through hinge (11) and tester shell (1) swing joint, just apron (2) are through buckle fixed connection with tester shell (1), handle (10) are installed to outside one side of tester shell (1), handle (10) and tester shell (1) welded connection.
3. An explosion-proof digital ground resistance tester as defined in claim 1 wherein: the upper end face of the limiting block (3) is provided with an anti-skidding cushion (4), the outer surface of the anti-skidding cushion (4) is provided with an anti-skidding cushion block, and the shape of the anti-skidding cushion (4) and the shape of the limiting block (3) are the same as the shape of the limiting groove (5).
4. An explosion-proof digital ground resistance tester as defined in claim 1 wherein: mounting panel (6) and tester shell (1) welded connection, just the outside of mounting panel (6) is provided with display screen (7), switch (8) and pilot lamp (9), display screen (7), switch (8) and pilot lamp (9) all with detect body (19) electric connection.
5. An explosion-proof digital ground resistance tester as defined in claim 1 wherein: the inner surface of the movable limiting frame (18) is provided with a plurality of positioning cushion blocks (20), and the positioning cushion blocks (20) are attached to the outer surface of the detection body (19).
6. An explosion-proof digital ground resistance tester as defined in claim 1 wherein: the detection line (12) is electrically connected with the detection body (19), the clamp (13) is fixedly connected with the detection line (12), two adjusting rods (14) are arranged, and a pressure spring (15) is arranged between the two adjusting rods (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120209659.3U CN215340069U (en) | 2021-01-26 | 2021-01-26 | Explosion-proof digital ground resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120209659.3U CN215340069U (en) | 2021-01-26 | 2021-01-26 | Explosion-proof digital ground resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215340069U true CN215340069U (en) | 2021-12-28 |
Family
ID=79579634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120209659.3U Expired - Fee Related CN215340069U (en) | 2021-01-26 | 2021-01-26 | Explosion-proof digital ground resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215340069U (en) |
-
2021
- 2021-01-26 CN CN202120209659.3U patent/CN215340069U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |