CN116908550B - Grounding condition safety detection device and method for distribution box - Google Patents
Grounding condition safety detection device and method for distribution box Download PDFInfo
- Publication number
- CN116908550B CN116908550B CN202311175441.0A CN202311175441A CN116908550B CN 116908550 B CN116908550 B CN 116908550B CN 202311175441 A CN202311175441 A CN 202311175441A CN 116908550 B CN116908550 B CN 116908550B
- Authority
- CN
- China
- Prior art keywords
- rod
- plate
- grounding
- connecting plate
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 7
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 244000309464 bull Species 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000004904 shortening Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of ground condition safety detection, and provides a ground condition safety detection device and a ground condition safety detection method for a distribution box. Through above-mentioned technical scheme, solved current ground connection situation safety inspection device and can not pack the space that inserts the earth bar and produce after taking out the earth bar automatically, can not carry out synchronous equidistance flexible problem that detects the work to a plurality of earth bars moreover.
Description
Technical Field
The invention relates to the technical field of grounding condition safety detection, in particular to a grounding condition safety detection device and method for a distribution box.
Background
In order to ensure personal safety, normal operation of equipment and fire prevention, it is important to periodically detect the grounding condition of the distribution box, and in order to ensure safe operation of an electrical system, a grounding condition safety detection device is required, and the existing grounding safety detection device has some defects in use.
For example, publication number CN110058085B discloses a ground resistance tester, including tester body and earth bar, the earth bar overcoat is equipped with the supporting sleeve, and the bilateral symmetry of supporting sleeve is equipped with the bracing piece, and the bottom of bracing piece is equipped with the footboard, and the earth bar includes screw thread section and spike section, and the supporting sleeve top rotates to be connected with the swivel nut with screw thread section threaded connection, and the supporting sleeve top is equipped with drive swivel nut pivoted drive arrangement, and the both sides of supporting sleeve are equipped with the guide bar along vertical direction symmetry, and the earth bar top is fixed with the slider of being connected with the guide bar slides. When the device is used, an operator steps on the pedal to fix the supporting sleeve, then the driving device drives the threaded sleeve to rotate, and then the grounding rod is driven to slide downwards, the spike part can penetrate into the ground, one person can finish the operation of plugging the grounding rod, and the problem that a temporary grounding point is difficult to set in winter measurement in a cold area is solved. The device can adapt to cold areas, but when in use, the gap generated by inserting the grounding rod can not be automatically filled after the grounding rod is taken out, and holes are reserved in the soil layer to influence the conductivity of the distribution box shell and the ground during the follow-up grounding, so that the effect of the grounding system is reduced, the current can not be effectively guided to the ground, and the risks of electric shock and fire disaster are increased. Moreover, the existing grounding condition safety detection device cannot synchronously and equidistantly stretch and retract to detect a plurality of grounding rods, and cannot automatically support a grounding resistance tester when the tester is placed, so that the grounding condition safety detection device is inconvenient to use.
Disclosure of Invention
The invention provides a grounding condition safety detection device and a grounding condition safety detection method for a distribution box, which solve the problems that the existing grounding condition safety detection device cannot automatically fill gaps generated by inserting grounding rods after the grounding rods are taken out, cannot synchronously and equidistantly stretch and retract a plurality of grounding rods to carry out detection work, and cannot automatically support a grounding resistance tester when the tester is placed.
The technical scheme of the invention is as follows:
the utility model provides a ground connection situation safety inspection device for block terminal, includes first electric putter, the top fixedly connected with backup pad of first electric putter, the top fixedly connected with second electric putter of backup pad, the top fixedly connected with roof of second electric putter, the backup pad with install supporting component on the roof, it is connected with first connecting plate to rotate in the backup pad, it is connected with the second connecting plate to rotate on the first connecting plate, it is connected with the third connecting plate to rotate on the second connecting plate, it is connected with the fourth connecting plate to rotate on the third connecting plate, the top of fourth connecting plate is rotated and is connected with the bull stick, the top fixedly connected with fixed plate of bull stick, first connecting plate the second connecting plate the third connecting plate with the below of fourth connecting plate all installs locating component, connecting pipe and ground rod are installed to the left and right sides of locating component, the laminating is provided with the depression bar in the connecting pipe, the outside of ground rod is provided with extrusion subassembly, the ground rod is connected with the second connecting plate, it is connected with the bull stick to rotate with the third connecting plate on the second connecting plate, rotate and be connected with the bull stick, the inside cylinder is connected with the slip ring, the inside cylinder is triggered between the fixed connection is provided with the fixed connection sleeve, the inside cylinder is connected with the slip ring, the fixed connection is fixed connection has, the inside cylinder is triggered the inside cylinder is fixed to install the slip ring, the inside is fixed connection, the inside cylinder is triggered.
As a preferential scheme of the invention, a third electric push rod is arranged on the top plate, the telescopic end and the fixed end of the third electric push rod are respectively connected with the fixed plate and the top plate, and the fixed plate is in sliding connection with the top plate.
As a preferential scheme of the invention, the supporting component comprises a first sliding rod fixedly arranged on the top plate, a first connecting cylinder is connected below the first sliding rod in a sliding manner, a second sliding rod is fixedly connected on the supporting plate, a second connecting cylinder is arranged below the second sliding rod in a sliding manner, and the first connecting cylinder, the second sliding rod and the supporting plate are fixedly connected.
As a preferential scheme of the invention, the positioning assembly comprises a sliding block rotatably arranged below the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, a second connecting rod is fixedly connected below the sliding block, a first connecting rod is fixedly connected below the second connecting rod, a shell is fixedly arranged below the first connecting rod, a connecting disc is rotatably arranged inside the shell, a lug is fixedly connected to the connecting disc, sliding connection is arranged between the lug and the shell, and sliding connection is arranged between the grounding rod and the connecting disc.
As a preferential scheme of the invention, the grounding rod is provided with a through hole, a laser is arranged in the through hole near the grounding rod at one side of the supporting component, a bolt is arranged at the top thread of the grounding rod, a photoelectric sensor is arranged at the bottom surface of the supporting plate, and the horizontal central lines of the laser and the photoelectric sensor are level.
As a preferential scheme of the invention, the extrusion assembly comprises a swivel rotatably arranged on the connecting disc, a pull rope is bolted on the inner wall of the swivel, a pressing block is connected on the pull rope, a first spring is fixedly connected between the pressing block and the connecting disc, and the pressing blocks are distributed in a central symmetry manner on the outer side of the grounding rod.
As a preferential scheme of the invention, a third sliding rod is hinged above the pressure rod, and the third sliding rod is in limited sliding connection with the top plate.
As a preferential scheme of the invention, the first trigger component comprises a first damping plate which is slidably arranged on the side surface of the inner cylinder, a second damping plate is tightly pressed on one side, close to the central axis of the inner cylinder, of the first damping plate, an extension plate is fixedly connected onto the first damping plate, a push rod is fixedly connected onto the extension plate, and the sliding ring forms a lifting structure with the fixed cylinder through the push rod.
As a preferential scheme of the invention, the second trigger component comprises an inner rod which is slidably arranged in the inner cylinder, a traction steel rope is bolted on the inner rod, a clamping block is connected to one side of the traction steel rope, which is far away from the inner rod, a second spring is fixedly connected between the clamping block and the inner cylinder, a ball is rotatably arranged on the clamping block, a clamping groove for being in butt joint with the clamping block is formed in the inner wall of the fixed cylinder, a connecting cover is arranged below the inner cylinder in a threaded manner, and a third spring is fixedly connected between the inner cylinder and the fixed cylinder.
The use method of the grounding condition safety detection device for the distribution box comprises the following steps:
s1: the height of the supporting plate is adjusted through the first electric push rod, the height of the top plate is adjusted through the second electric push rod, the fixing plate is moved, the scissor type telescopic frame formed by the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate is contracted, the spacing of the positioning components at each position is synchronously adjusted, and then the arrangement spacing of the connecting pipes at each position is changed;
s2: after the positioning assembly is adjusted, the connecting pipe is rotated to the position of the grounding rod through the positioning assembly, then the first electric push rod is shortened, the second electric push rod is lengthened, the pressure rod is pulled out of the connecting pipe, the connecting pipe is pressed down into a soil layer, then the connecting pipe is lifted up, a reserved hole is reserved in the soil layer, the grounding rod is readjusted to the position of the connecting pipe, the grounding rod is pressed tightly through the extrusion assembly, and then the first electric push rod is shortened, so that the grounding rod is embedded into the reserved hole;
s3: connecting the grounding resistance tester body with the grounding bars at all positions, testing the grounding resistance, extending the first electric push rod after the testing is finished, adjusting the connecting pipe to the position of the grounding bar, aligning the pressure rod with the connecting pipe, shortening the first electric push rod and the second electric push rod, and pushing soil in the rotating rod into the reserved hole again;
s4: when using ground resistance tester body, push down fixed section of thick bamboo, the bottom of second trigger assembly supports subaerial, and the second trigger assembly makes fixed section of thick bamboo and inner tube break away from the block state, and the inner tube upwards moves and accomodates to the inside of fixed section of thick bamboo, and first trigger assembly pushes away the sliding ring when the inner tube upwards moves, and the sliding ring moves to the top of support frame after, and the support frame is automatic to be expanded under the elasticity effect of scroll spring.
The working principle and the beneficial effects of the invention are as follows:
1. through connecting pipe and the depression bar that set up, when testing ground resistance, through shortening first electric putter, drill out the reservation hole on ground earlier, then put into the earth stick and carry out resistance test work, after test resistance, the accessible is pressed the depression bar into the inside of connecting pipe, thereby make the inside of taking out the earth piece can be buried into the reservation hole again, with the integrality of guaranteeing the soil surface, current ground condition safety inspection device has been solved and can not be after taking out the earth stick automatic defect of filling to inserting the space that the earth stick produced, can guide the electric current to underground effectively when guaranteeing that follow-up block terminal uses, the device has the advantage of using safer.
2. Through last first connecting plate, second connecting plate, third connecting plate and the fourth connecting plate of device, when the fourth connecting plate is pulled towards the position of first connecting plate, the connecting plate of everywhere all the other can synchronous shrink to keep the locating component that links to each other with everywhere connecting plate keeps the equidistance when the shrink, and then realize the function of synchronous equidistance shrink to a plurality of earth bars, through guaranteeing that the interval between the earth bars is equal, can make the electric current distribution in the earth system more unanimous, help improving earth system's work efficiency and stability, solved current ground condition safety inspection device and can not carry out synchronous equidistance flexible defect of detecting work to a plurality of earth bars, the device has the advantage that the functionality is stronger.
3. Through the first trigger subassembly and the second trigger subassembly that set up, place behind the bottom surface at ground resistance tester, the second triggers the pole and reciprocates in pushing away, pulling traction steel cable when interior pole upwards moves, traction steel cable pulling fixture block, make the fixture block break away from the draw-in groove, and then make fixed section of thick bamboo and inner tube break away from the block state, the inner tube upwards moves, at the same time, the first trigger subassembly pushes away the sliding ring, make the sliding ring no longer block the support frame, the support frame is automatic to be expanded under scroll spring's effect, the function of automatic support behind ground resistance tester contact ground has been realized, current ground condition safety inspection device has been solved and can not be when placing ground resistance tester automatic to support ground defect to the tester, the device has the advantage that it is more convenient to use.
4. Through the locating component that sets up, the connection pad on the locating component can rotate in the inside of shell for the device can be convenient switch the position of earth stick and the connecting pipe that is used for intercepting the soil block and reserves the hole, in order to follow-up convenient backfill soil to reserving the hole in.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of a ground condition safety detection device for an electrical box according to the present invention;
FIG. 2 is a schematic view of a connection structure between a first electric putter and a support plate according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 5 is a schematic view of the connection structure of the first connection plate and the second connection plate of the present invention;
FIG. 6 is a schematic view of the positioning assembly and ground rod connection structure of the present invention;
FIG. 7 is a schematic view of the connection structure of the stationary cylinder and the slip ring of the present invention;
FIG. 8 is an enlarged schematic view of the structure at C in FIG. 7;
FIG. 9 is an enlarged schematic view of the structure at D in FIG. 7;
FIG. 10 is a schematic view of the invention showing the disassembly of the cartridge and the support frame;
FIG. 11 is a schematic view of the connection disc and swivel of the present invention;
FIG. 12 is an enlarged schematic view of the structure at E in FIG. 11;
FIG. 13 is a schematic view showing the connection structure of the body and the fixed barrel of the ground resistance tester of the present invention;
FIG. 14 is a schematic view of the connection of the inner barrel and the first trigger assembly of the present invention;
FIG. 15 is a schematic view of the attachment of the stationary drum and inner drum of the present invention;
fig. 16 is an enlarged schematic view of the structure at F in fig. 15.
Reference numerals: 1. a first electric push rod; 2. a support plate; 3. a second electric push rod; 4. a top plate; 5. a support assembly; 501. a first slide bar; 502. a first connecting cylinder; 503. a second slide bar; 504. a second connecting cylinder; 6. a first connection plate; 7. a second connecting plate; 8. a third connecting plate; 9. a fourth connecting plate; 10. a rotating rod; 11. a fixing plate; 12. a third electric push rod; 13. a positioning assembly; 1301. a housing; 1302. a connecting disc; 1303. a first connecting rod; 1304. a second connecting rod; 1305. a slide block; 1306. a bump; 14. a ground rod; 15. a connecting pipe; 16. an extrusion assembly; 1601. a swivel; 1602. briquetting; 1603. a first spring; 1604. a pull rope; 17. a ground resistance tester body; 18. a compression bar; 19. a fixed cylinder; 20. a through hole; 21. a laser; 22. a slip ring; 23. an elastic rope; 24. a support frame; 25. an inner cylinder; 26. a connection cover; 27. a first trigger assembly; 2701. a first damping plate; 2702. an extension plate; 2703. a second damping plate; 2704. a push rod; 28. a second trigger assembly; 2801. an inner rod; 2802. traction steel rope; 2803. a second spring; 2804. a clamping block; 2805. a ball; 2806. a clamping groove; 29. a third spring; 30. a vortex spring; 31. a bolt; 32. a third slide bar; 33. a photoelectric sensor.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1-16, this embodiment provides a ground connection condition safety inspection device for block terminal, including first electric putter 1, the top fixedly connected with backup pad 2 of first electric putter 1, the top fixedly connected with second electric putter 3 of backup pad 2, the top fixedly connected with roof 4 of second electric putter 3, first electric putter 1 and second electric putter 3 are used for adjusting the height of backup pad 2 and roof 4 and the interval of backup pad 2 and roof 4, in order to follow-up ground connection or backfill the soil block to the soil layer, install supporting component 5 on backup pad 2 and the roof 4, supporting component 5 makes device regulation backup pad 2 and roof 4 can guarantee backup pad 2 and roof 4 vertical up-and-down movement, guarantee the stability of device during operation. The first connecting plate 6 is rotationally connected to the supporting plate 2, the second connecting plate 7 is rotationally connected to the first connecting plate 6, the third connecting plate 8 is rotationally connected to the second connecting plate 7, the fourth connecting plate 9 is rotationally connected to the third connecting plate 8, and the first connecting plate 6, the second connecting plate 7, the third connecting plate 8 and the fourth connecting plate 9 can form a scissor lifting structure so as to carry out synchronous equidistant adjustment on the subsequent grounding position. The top rotation of fourth connecting plate 9 is connected with bull stick 10, the top fixedly connected with fixed plate 11 of bull stick 10, locating component 13 is all installed to the below of first connecting plate 6, second connecting plate 7, third connecting plate 8 and fourth connecting plate 9, connecting pipe 15 and ground rod 14 are installed to locating component 13's left and right sides, when adjusting the interval of adjacent locating component 13 through first connecting plate 6, second connecting plate 7, third connecting plate 8 and fourth connecting plate 9, can guarantee that the ground rod 14 in each position keeps the equidistance, and the position of connecting pipe 15 and ground rod 14 can be switched, so that the hole of reserving in the soil layer when the connecting pipe 15 is pushed down to follow-up backfill, the laminating is provided with depression bar 18 in the connecting pipe 15, depression bar 18 can push down and with the soil block of intercepting in the connecting pipe 15, thereby reserve the hole is buried in the landfill again, so as to guarantee ground is complete. The outside of earth bar 14 is provided with extrusion subassembly 16, and earth bar 14 links to each other with ground resistance tester body 17, and extrusion subassembly 16 can compress tightly earth bar 14 to follow-up cooperation ground resistance tester body 17 carries out ground resistance detection work. The fixed section of thick bamboo 19 of below fixedly connected with of ground resistance tester body 17, the laminating of the outside of fixed section of thick bamboo 19 is provided with sliding ring 22, fixedly connected with elasticity rope 23 between sliding ring 22 and the fixed section of thick bamboo 19, support frame 24 is installed in the rotation of fixed section of thick bamboo 19 all around, install scroll spring 30 between support frame 24 and the fixed section of thick bamboo 19, the inside slidable mounting of fixed section of thick bamboo 19 has inner tube 25, install first trigger subassembly 27 on the inner tube 25, install second trigger subassembly 28 in the inner tube 25, sliding ring 22 can block support frame 24, when placing ground resistance tester body 17, second trigger subassembly 28 at first contacts the ground and under the effect of ground resistance tester body 17 self gravity, make second trigger subassembly 28 release the block state between inner tube 25 and the fixed section of thick bamboo 19, thereby make inner tube 25 upwards remove, simultaneously, the top of first trigger subassembly 27 pushes away sliding ring 22, make sliding ring 22 no longer block support frame 24, support frame 24 is automatic to be expanded under scroll spring 30's effect.
Example 2:
as shown in fig. 1 to 16, the present embodiment also proposes a ground condition safety detection device for a distribution box based on the same concept as that of embodiment 1 described above.
In this embodiment, the top plate 4 is provided with a third electric push rod 12, the telescopic end and the fixed end of the third electric push rod 12 are respectively connected with the fixed plate 11 and the top plate 4, the fixed plate 11 and the top plate 4 are in sliding connection, and the position of the fixed plate 11 on the top plate 4 can be adjusted through the third electric push rod 12 when the device is used, so that the grounding position can be adjusted synchronously and equidistantly when the grounding resistance is detected.
In this embodiment, the support assembly 5 includes a first slide bar 501 fixedly mounted on the top plate 4, a first connecting cylinder 502 is slidingly connected under the first slide bar 501, a second slide bar 503 is fixedly connected on the support plate 2, a second connecting cylinder 504 is slidingly mounted under the second slide bar 503, the first connecting cylinder 502 and the second slide bar 503 are fixedly connected with the support plate 2, the first slide bar 501 slides in the first connecting cylinder 502 during the lifting process of the support plate 2 and the top plate 4, and the second slide bar 503 slides in the second connecting cylinder 504, so that the support plate 2 and the top plate 4 keep vertical during the up-down movement and realize the function of stably supporting the left side of the device.
In this embodiment, the positioning assembly 13 includes a slider 1305 rotatably mounted below the first connecting plate 6, the second connecting plate 7, the third connecting plate 8 and the fourth connecting plate 9, a second connecting rod 1304 is fixedly connected below the slider 1305, a first connecting rod 1303 is fixedly connected below the second connecting rod 1304, a housing 1301 is fixedly arranged below the first connecting rod 1303, a connecting disc 1302 is rotatably mounted inside the housing 1301, a bump 1306 is fixedly connected to the connecting disc 1302, a sliding connection is formed between the bump 1306 and the housing 1301, a sliding connection is formed between the ground rod 14 and the connecting disc 1302, when the fourth connecting plate 9 is pulled to the right side, the scissor type expansion bracket formed by the first connecting plate 6, the second connecting plate 7, the third connecting plate 8 and the fourth connecting plate 9 synchronously contracts, and the first connecting rod 1303, the second connecting rod 1304 and the slider 1305 drive the housing 1301 to synchronously contract, so that the ground rods 14 at various positions can synchronously contract equidistantly to adapt to different arrangement intervals for performing ground resistance testing work.
In this embodiment, the through hole 20 is formed in the grounding rod 14, the laser 21 is installed in the through hole 20 near the grounding rod 14 on one side of the supporting component 5, the bolt 31 is installed on the top thread of the grounding rod 14, the photoelectric sensor 33 is installed on the bottom surface of the supporting board 2, the horizontal center lines of the laser 21 and the photoelectric sensor 33 are flush, the bolt 31 can compress the laser 21 inside the through hole 20, and then the laser 21 is matched with the photoelectric sensor 33 to detect whether the light emitted by the laser 21 can pass through the through holes 20 on the grounding rod 14 everywhere and is finally received by the photoelectric sensor 33, so that the depth of the grounding rod 14 embedded in a soil layer is calibrated.
In this embodiment, the extrusion assembly 16 includes a swivel 1601 rotatably mounted on the connection disc 1302, a pull rope 1604 is bolted to an inner wall of the swivel 1601, a pressing block 1602 is connected to the pull rope 1604, a first spring 1603 is fixedly connected between the pressing block 1602 and the connection disc 1302, the pressing block 1602 is distributed in a central symmetry shape on the outer side of the grounding rod 14, and the swivel 1601 can pull the pressing block 1602 through the pull rope 1604 when rotating, so that the first spring 1603 is compressed, thereby realizing the operation of releasing the pressing and fixing of the grounding rod 14, so as to adjust and fix the position of the grounding rod 14 everywhere.
In this embodiment, a third sliding rod 32 is hinged above the pressing rod 18, and the third sliding rod 32 is in limited sliding connection with the top plate 4, so that the third sliding rod 32 can move horizontally, and then when the pressing rod 18 is not used, the pressing rod 18 can be rotated below the third sliding rod 32, so that the pressing rod 18 can not influence the normal operation when the device works.
In this embodiment, the first trigger assembly 27 includes a first damper plate 2701 slidably mounted on a side surface of the inner cylinder 25, a second damper plate 2703 is pressed and disposed on a side of the first damper plate 2701, which is close to a central axis of the inner cylinder 25, an extension plate 2702 is fixedly connected to the first damper plate 2701, an ejector rod 2704 is fixedly connected to the extension plate 2702, a lifting structure is formed between the ejector rod 2704 and the fixed cylinder 19 by the sliding ring 22, and the first damper plate 2701 and the second damper plate 2703 pressed against each other enable the extension plate 2702 and the ejector rod 2704 to have a certain resistance when moving up and down, so that the position of the ejector rod 2704 is adjusted and fixed later, and when the ejector rod 2704 abuts against the sliding ring 22 outside the fixed cylinder 19, the ejector rod 2704 can move downward of the inner cylinder 25 through the first damper plate 2701 and the second damper plate 2703 and maintain an abutting state with the sliding ring 22 all the time when the sliding ring 22 moves to a limit position.
In this embodiment, the second trigger assembly 28 includes the interior pole 2801 of slidable mounting in the inner tube 25 inside, the bolt has traction steel rope 2802 on the interior pole 2801, one side that traction steel rope 2802 kept away from interior pole 2801 is connected with fixture block 2804, fixedly connected with second spring 2803 between fixture block 2804 and the inner tube 25, install ball 2805 on the rotation on the fixture block 2804, offered the draw-in groove 2806 that is used for with the fixture block 2804 butt joint on the inner wall of fixed tube 19, connecting cover 26 is installed to the screw thread below inner tube 25, fixedly connected with third spring 29 between inner tube 25 and the fixed tube 19, after inner rod 2801 contacts ground, interior pole 2801 can upwards move and draw fixture block 2804 in the inside of inner tube 25, fixture block 2804 moves to the inside of inner tube 25 and automatic release the block state between inner tube 25 and the fixed tube 19, inner tube 25 can upwards move in the inside of fixed tube 19, guarantee that the device can follow-up can support all around automatically.
Specifically, as shown in fig. 1-7, the height of the supporting plate 2 is adjusted by the first electric push rod 1, the height of the top plate 4 is adjusted by the second electric push rod 3, the distance between the supporting plate 2 and the top plate 4 can also be adjusted, and in the adjusting process, the first sliding rod 501 on the supporting assembly 5 slides in the first connecting cylinder 502, the second sliding rod 503 slides in the second connecting cylinder 504, so that the device can stably support the left side and keep the supporting plate 2 and the top plate 4 to vertically move up and down. Through the extension or shorten third electric putter 12 to remove fixed plate 11 and bull stick 10, fourth connecting plate 9 rotates, makes the scissors expansion bracket shrink that first connecting plate 6, second connecting plate 7, third connecting plate 8 and fourth connecting plate 9 constitute, everywhere first connecting rod 1303, second connecting rod 1304 and slider 1305 drive shell 1301 and carry out synchronous equidistance shrink, make the earth bar 14 of each position can carry out synchronous equidistance shrink, the interval of everywhere locating component 13 obtains synchronous equidistance regulation, the arrangement interval of everywhere connecting pipe 15 is changed on the basis of keeping the equidistance. After the positioning component 13 is adjusted, the connecting pipe 15 is rotated to the position of the grounding rod 14 through the positioning component 13, then the first electric push rod 1 is shortened, the second electric push rod 3 is lengthened, the pressing rod 18 is pulled out of the connecting pipe 15, the pressing rod 18 can rotate due to the fact that the pressing rod 18 is hinged to the third sliding rod 32, the pressing rod 18 is prevented from reentering the inner portion of the connecting pipe 15 when the device works, the connecting pipe 15 is pressed down into a soil layer, then a reserved hole is reserved in the soil layer by lifting the connecting pipe 15, the grounding rod 14 is readjusted to the position of the connecting pipe 15, the pressing block 1602 presses the grounding rod 14 against the pressing block 1602 through the first spring 1603 in the pressing component 16, and then the first electric push rod 1 is shortened, so that the grounding rod 14 is embedded into the reserved hole.
As shown in fig. 2 to 6, the ground resistance tester body 17 is connected with the ground rod 14 everywhere, after the ground resistance is tested, the first electric push rod 1 is extended, then the connecting pipe 15 is adjusted to the position of the ground rod 14, the compression rod 18 is aligned with the position of the connecting pipe 15, after the compression rod 18 is aligned with the connecting pipe 15, the first electric push rod 1 and the second electric push rod 3 are shortened, soil in the rotating rod 10 is pushed into the reserved hole again to ensure the integrity of the soil surface, and when the positions of the ground rod 14 and the connecting pipe 15 are switched, the protruding block 1306 on the positioning component 13 can slide in the casing 1301, so that the connecting disc 1302 rotates in the casing 1301, and the position switching function of the ground rod 14 and the connecting pipe 15 is realized.
As shown in fig. 7 to 16, when the ground resistance tester body 17 is used, the fixed cylinder 19 is pressed against the ground by gravity of the ground resistance tester body 17, the inner rod 2801 on the second trigger assembly 28 is pushed against the ground, the inner rod 2801 moves upward inside the inner cylinder 25, the inner rod 2801 pulls the clamping block 2804 through the traction steel rope 2802, the clamping block 2804 is separated from the inside of the clamping groove 2806, the second spring 2803 is compressed, at this time, the fixed cylinder 19 and the inner cylinder 25 are separated from the clamping state, the inner cylinder 25 can roll inside the fixed cylinder 19 through the balls 2805 to reduce resistance when the inner cylinder 25 moves, the inner cylinder 25 automatically contracts inside the fixed cylinder 19 under the action of the third spring 29, and the length of the inner cylinder 25 positioned at the outer side part of the fixed cylinder 19 is shortened, so that the ground resistance tester body 17 is stably supported subsequently. The sliding ring 22 is pushed by the first triggering component 27 when the inner barrel 25 moves upwards, a certain resistance exists when the extending plate 2702 and the ejector rod 2704 move up and down due to the first damping plate 2701 and the second damping plate 2703 which are mutually pressed, so that the position of the ejector rod 2704 is adjusted and fixed later, after the sliding ring 22 moves to the uppermost part of the supporting frame 24, the sliding ring 22 moves to the limit position, the ejector rod 2704 props against the sliding ring 22, the first damping plate 2701 and the second damping plate 2703 which are mutually pressed enable the ejector rod 2704 to move downwards of the inner barrel 25 and keep the abutting state with the sliding ring 22 all the time, and at the moment, the supporting frame 24 is not blocked by the sliding ring 22 and is automatically unfolded under the elastic force of the vortex spring 30.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a ground connection situation safety inspection device for block terminal, includes first electric putter (1), its characterized in that: the utility model discloses a compression rod, including first electric putter, second electric putter, locating component, connecting rod (14) and connecting rod (14), first electric putter's (1) top fixedly connected with backup pad (2), second electric putter's (3) top fixedly connected with backup pad (3), backup pad (2) with install supporting component (5) on top plate (4), rotate on backup pad (2) and be connected with first connecting plate (6), rotate on first connecting plate (6) and be connected with second connecting plate (7), rotate on second connecting plate (7) and be connected with third connecting plate (8), rotate on third connecting plate (8) and be connected with fourth connecting plate (9), the top rotation of fourth connecting plate (9) is connected with bull stick (10), the top fixedly connected with fixed plate (11) of bull stick (10), first connecting plate (6) second connecting plate (7) third connecting plate (8) with the below of fourth connecting plate (9) all installs locating component (13), left and right connecting plate (13) rotate and be connected with rod (15), two connecting rod (14) are connected with compression rod (14) and are provided with compression rod (14), the grounding rod (14) is connected with the grounding resistance tester body (17), a fixed cylinder (19) is fixedly connected to the lower side of the grounding resistance tester body (17), a slip ring (22) is arranged on the outer side of the fixed cylinder (19) in a fitting mode, an elastic rope (23) is fixedly connected between the slip ring (22) and the fixed cylinder (19), a supporting frame (24) is installed around the fixed cylinder (19) in a rotating mode, a vortex spring (30) is installed between the supporting frame (24) and the fixed cylinder (19), an inner cylinder (25) is installed in the fixed cylinder (19) in a sliding mode, a first trigger assembly (27) is installed on the inner cylinder (25), and a second trigger assembly (28) is installed in the inner cylinder (25);
the top plate (4) is provided with a third electric push rod (12), the telescopic end and the fixed end of the third electric push rod (12) are respectively connected with the fixed plate (11) and the top plate (4), and the fixed plate (11) is in sliding connection with the top plate (4);
the positioning assembly (13) comprises a sliding block (1305) which is rotatably mounted below the first connecting plate (6), the second connecting plate (7), the third connecting plate (8) and the fourth connecting plate (9), a second connecting rod (1304) is fixedly connected to the lower portion of the sliding block (1305), a first connecting rod (1303) is fixedly connected to the lower portion of the second connecting rod (1304), a shell (1301) is fixedly arranged below the first connecting rod (1303), a connecting disc (1302) is rotatably mounted inside the shell (1301), a protruding block (1306) is fixedly connected to the connecting disc (1302), sliding connection is arranged between the protruding block (1306) and the shell (1301), and sliding connection is arranged between the grounding rod (14) and the connecting disc (1302).
2. The grounding condition safety detection apparatus for a distribution box according to claim 1, wherein the supporting component (5) comprises a first sliding rod (501) fixedly installed on the top plate (4), a first connecting cylinder (502) is slidingly connected below the first sliding rod (501), a second sliding rod (503) is fixedly connected on the supporting plate (2), a second connecting cylinder (504) is slidingly installed below the second sliding rod (503), and both the first connecting cylinder (502) and the second sliding rod (503) are fixedly connected with the supporting plate (2).
3. The grounding condition safety detection apparatus for a distribution box according to claim 1, wherein a through hole (20) is formed in the grounding rod (14), a laser (21) is installed in the through hole (20) close to the grounding rod (14) on one side of the supporting component (5), a bolt (31) is installed on the top thread of the grounding rod (14), a photoelectric sensor (33) is installed on the bottom surface of the supporting board (2), and the horizontal center lines of the laser (21) and the photoelectric sensor (33) are flush.
4. The ground condition safety detection device for a distribution box according to claim 1, wherein the extrusion assembly (16) comprises a swivel (1601) rotatably mounted on the connecting disc (1302), a pull rope (1604) is bolted on the inner wall of the swivel (1601), a pressing block (1602) is connected on the pull rope (1604), a first spring (1603) is fixedly connected between the pressing block (1602) and the connecting disc (1302), and the pressing block (1602) is distributed in a central symmetry shape on the outer side of the ground rod (14).
5. The grounding condition safety detection apparatus for a distribution box according to claim 1, wherein a third sliding rod (32) is hinged above the pressing rod (18), and the third sliding rod (32) is in limited sliding connection with the top plate (4).
6. The grounding condition safety detection device for the distribution box according to claim 1, wherein the first triggering assembly (27) comprises a first damping plate (2701) slidably mounted on the side surface of the inner cylinder (25), a second damping plate (2703) is tightly pressed on one side, close to the central axis of the inner cylinder (25), of the first damping plate (2701) and fixedly connected with an extension plate (2702), an ejector rod (2704) is fixedly connected to the extension plate (2702), and the sliding ring (22) forms a lifting structure with the fixed cylinder (19) through the ejector rod (2704).
7. The grounding condition safety detection device for the distribution box according to claim 1, wherein the second triggering component (28) comprises an inner rod (2801) slidably mounted in the inner cylinder (25), a traction steel rope (2802) is bolted on the inner rod (2801), a clamping block (2804) is connected to one side, away from the inner rod (2801), of the traction steel rope (2802), a second spring (2803) is fixedly connected between the clamping block (2804) and the inner cylinder (25), a ball (2805) is rotatably mounted on the clamping block (2804), a clamping groove (2806) for being in butt joint with the clamping block (2804) is formed in the inner wall of the fixed cylinder (19), a connecting cover (26) is mounted on the lower thread of the inner cylinder (25), and a third spring (29) is fixedly connected between the inner cylinder (25) and the fixed cylinder (19).
8. A method of using the ground condition safety detection device for an electrical box of claim 1, comprising the steps of:
s1: the height of the supporting plate (2) is adjusted through the first electric push rod (1), the height of the top plate (4) is adjusted through the second electric push rod (3), the fixed plate (11) is moved, the scissor type telescopic frame consisting of the first connecting plate (6), the second connecting plate (7), the third connecting plate (8) and the fourth connecting plate (9) is contracted, the distance between the positioning components (13) at each position is synchronously adjusted, and then the arrangement distance between the connecting pipes (15) at each position is changed;
s2: after the positioning assembly (13) is adjusted, the connecting pipe (15) is rotated to the position of the grounding rod (14) through the positioning assembly (13), then the first electric push rod (1) is shortened, the second electric push rod (3) is lengthened, the pressure rod (18) is pulled out of the connecting pipe (15), the connecting pipe (15) is pressed down into a soil layer, then the connecting pipe (15) is lifted up to enable a reserved hole in the soil layer, the grounding rod (14) is readjusted to the position of the connecting pipe (15), the grounding rod (14) is pressed through the pressing assembly (16), and then the first electric push rod (1) is shortened, so that the grounding rod (14) is embedded into the reserved hole;
s3: connecting a grounding resistance tester body (17) with all grounding bars (14), testing grounding resistance, extending a first electric push rod (1) after the testing is finished, adjusting a connecting pipe (15) to the position of the grounding bar (14), aligning a pressure rod (18) with the connecting pipe (15), shortening the first electric push rod (1) and the second electric push rod (3), and pushing soil in a rotating rod (10) into a reserved hole again;
s4: when using ground resistance tester body (17), push down fixed section of thick bamboo (19), the bottom of second trigger subassembly (28) supports subaerial, second trigger subassembly (28) makes fixed section of thick bamboo (19) and inner tube (25) break away from the block state, inner tube (25) upwards move and accomodate to the inside of fixed section of thick bamboo (19), first trigger subassembly (27) pushes away sliding ring (22) when inner tube (25) upwards move, sliding ring (22) remove to the top of support frame (24) after, support frame (24) are automatic to be expanded under the elasticity effect of scroll spring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311175441.0A CN116908550B (en) | 2023-09-13 | 2023-09-13 | Grounding condition safety detection device and method for distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311175441.0A CN116908550B (en) | 2023-09-13 | 2023-09-13 | Grounding condition safety detection device and method for distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116908550A CN116908550A (en) | 2023-10-20 |
| CN116908550B true CN116908550B (en) | 2023-11-21 |
Family
ID=88360705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311175441.0A Active CN116908550B (en) | 2023-09-13 | 2023-09-13 | Grounding condition safety detection device and method for distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116908550B (en) |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167820A (en) * | 1999-12-03 | 2001-06-22 | Dong Yang Industrial Co Ltd | Grounding rod and method of mounting the same |
| JP2005060955A (en) * | 2003-08-08 | 2005-03-10 | Ohbayashi Corp | Sampler in ground and contamination investigating method making use thereof |
| JP2007214022A (en) * | 2006-02-10 | 2007-08-23 | Chugoku Electric Power Co Inc:The | Ground rod and its manufacturing method |
| KR101234047B1 (en) * | 2012-10-15 | 2013-02-15 | 엔씨테크(주) | The electrolyte low resistance a carbon ground rod |
| CN206461105U (en) * | 2016-12-05 | 2017-09-01 | 深圳市德瑞佳网络产品有限公司 | A kind of Rapid grounding device of distribution casing |
| CN206976602U (en) * | 2017-08-11 | 2018-02-06 | 深圳市德瑞佳网络产品有限公司 | A kind of Rapid grounding device of distribution casing |
| CN207009684U (en) * | 2017-06-21 | 2018-02-13 | 内江新内变压器有限公司 | A kind of superconducting transformer ground structure |
| CN207051391U (en) * | 2017-07-05 | 2018-02-27 | 中设（深圳）设备检验检测技术有限公司 | A kind of powerline pole tower ground resistance test device |
| CN207624929U (en) * | 2017-12-20 | 2018-07-17 | 国网冀北电力有限公司张家口供电公司 | Earth resistance tester grounding rod |
| CN110058085A (en) * | 2019-05-09 | 2019-07-26 | 南京理工中爆安全科技有限公司 | A kind of earth resistance tester |
| CN209641854U (en) * | 2019-04-11 | 2019-11-15 | 山东华通玻璃钢有限公司 | A kind of lightning-proof grounding body with detection line |
| CN210604791U (en) * | 2019-06-21 | 2020-05-22 | 宁波长江电力能源服务有限公司 | Grounding resistance measuring device |
| CN210668711U (en) * | 2019-11-14 | 2020-06-02 | 合德华厦安防科技有限公司 | Earthing device for rock stratum |
| CN211426751U (en) * | 2019-11-05 | 2020-09-04 | 苏州蓝讯电气设备有限公司 | Lightning protection device ground state monitoring devices |
| CN111653913A (en) * | 2020-06-08 | 2020-09-11 | 中国电信股份有限公司绍兴分公司 | Convenient installation device of basic station vertical grounding body |
| KR20210046169A (en) * | 2019-10-18 | 2021-04-28 | 한국전력공사 | Compact ground boring device for diagonosis of under ground facilities and method for constructing ground rod and for repairing underground laying facility |
| CN213580203U (en) * | 2020-11-16 | 2021-06-29 | 武汉市安耐久土木科技有限公司 | Embankment monitoring and sampling device |
| CN214478977U (en) * | 2021-02-04 | 2021-10-22 | 天津中电晟发光伏发电有限公司 | Box-type transformer overhauling grounding device |
| CN216484045U (en) * | 2021-10-22 | 2022-05-10 | 浙江禹达安全环保科技有限公司 | Contaminated site investigation soil sample collection system |
| CN114720185A (en) * | 2022-05-16 | 2022-07-08 | 王东 | Soil detection device for ecological restoration |
| CN115986438A (en) * | 2022-12-29 | 2023-04-18 | 贵州电网有限责任公司 | Portable earth bar |
| KR20230090670A (en) * | 2021-12-15 | 2023-06-22 | 한국전력공사 | Grounding rod for electric pole, Device and Method for installing the same |
| CN219513357U (en) * | 2022-12-16 | 2023-08-11 | 宁夏水利水电工程局有限公司 | Temporary power-utilization grounding body for construction site |
| CN116625864A (en) * | 2023-06-15 | 2023-08-22 | 石家庄晶石建筑工程技术有限公司 | Wear-resisting test machine that sustainable pushed down |
| CN219591800U (en) * | 2023-02-07 | 2023-08-25 | 郑州电力职业技术学院 | Grounding rod dismounting device for electric power construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101347063B1 (en) * | 2012-04-03 | 2014-01-02 | 한국산업은행 | Testing Apparatus for Characterizing Ground Rods |
-
2023
- 2023-09-13 CN CN202311175441.0A patent/CN116908550B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167820A (en) * | 1999-12-03 | 2001-06-22 | Dong Yang Industrial Co Ltd | Grounding rod and method of mounting the same |
| JP2005060955A (en) * | 2003-08-08 | 2005-03-10 | Ohbayashi Corp | Sampler in ground and contamination investigating method making use thereof |
| JP2007214022A (en) * | 2006-02-10 | 2007-08-23 | Chugoku Electric Power Co Inc:The | Ground rod and its manufacturing method |
| KR101234047B1 (en) * | 2012-10-15 | 2013-02-15 | 엔씨테크(주) | The electrolyte low resistance a carbon ground rod |
| CN206461105U (en) * | 2016-12-05 | 2017-09-01 | 深圳市德瑞佳网络产品有限公司 | A kind of Rapid grounding device of distribution casing |
| CN207009684U (en) * | 2017-06-21 | 2018-02-13 | 内江新内变压器有限公司 | A kind of superconducting transformer ground structure |
| CN207051391U (en) * | 2017-07-05 | 2018-02-27 | 中设（深圳）设备检验检测技术有限公司 | A kind of powerline pole tower ground resistance test device |
| CN206976602U (en) * | 2017-08-11 | 2018-02-06 | 深圳市德瑞佳网络产品有限公司 | A kind of Rapid grounding device of distribution casing |
| CN207624929U (en) * | 2017-12-20 | 2018-07-17 | 国网冀北电力有限公司张家口供电公司 | Earth resistance tester grounding rod |
| CN209641854U (en) * | 2019-04-11 | 2019-11-15 | 山东华通玻璃钢有限公司 | A kind of lightning-proof grounding body with detection line |
| CN110058085A (en) * | 2019-05-09 | 2019-07-26 | 南京理工中爆安全科技有限公司 | A kind of earth resistance tester |
| CN210604791U (en) * | 2019-06-21 | 2020-05-22 | 宁波长江电力能源服务有限公司 | Grounding resistance measuring device |
| KR20210046169A (en) * | 2019-10-18 | 2021-04-28 | 한국전력공사 | Compact ground boring device for diagonosis of under ground facilities and method for constructing ground rod and for repairing underground laying facility |
| CN211426751U (en) * | 2019-11-05 | 2020-09-04 | 苏州蓝讯电气设备有限公司 | Lightning protection device ground state monitoring devices |
| CN210668711U (en) * | 2019-11-14 | 2020-06-02 | 合德华厦安防科技有限公司 | Earthing device for rock stratum |
| CN111653913A (en) * | 2020-06-08 | 2020-09-11 | 中国电信股份有限公司绍兴分公司 | Convenient installation device of basic station vertical grounding body |
| CN213580203U (en) * | 2020-11-16 | 2021-06-29 | 武汉市安耐久土木科技有限公司 | Embankment monitoring and sampling device |
| CN214478977U (en) * | 2021-02-04 | 2021-10-22 | 天津中电晟发光伏发电有限公司 | Box-type transformer overhauling grounding device |
| CN216484045U (en) * | 2021-10-22 | 2022-05-10 | 浙江禹达安全环保科技有限公司 | Contaminated site investigation soil sample collection system |
| KR20230090670A (en) * | 2021-12-15 | 2023-06-22 | 한국전력공사 | Grounding rod for electric pole, Device and Method for installing the same |
| CN114720185A (en) * | 2022-05-16 | 2022-07-08 | 王东 | Soil detection device for ecological restoration |
| CN219513357U (en) * | 2022-12-16 | 2023-08-11 | 宁夏水利水电工程局有限公司 | Temporary power-utilization grounding body for construction site |
| CN115986438A (en) * | 2022-12-29 | 2023-04-18 | 贵州电网有限责任公司 | Portable earth bar |
| CN219591800U (en) * | 2023-02-07 | 2023-08-25 | 郑州电力职业技术学院 | Grounding rod dismounting device for electric power construction |
| CN116625864A (en) * | 2023-06-15 | 2023-08-22 | 石家庄晶石建筑工程技术有限公司 | Wear-resisting test machine that sustainable pushed down |
Non-Patent Citations (1)
| Title |
|---|
| 接地电阻检测中测试导线及接地棒位置对检测结果影响问题的探讨;马忠安;马荣兴;刘绍良;;广西气象(第S2期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116908550A (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112710555B (en) | Cable plastic pipe compressive strength check out test set | |
| CN116298172A (en) | Bridge steel construction fillet weld detection device | |
| CN212514052U (en) | Four-point bending test machine | |
| CN116908550B (en) | Grounding condition safety detection device and method for distribution box | |
| CN111830124A (en) | Fire-fighting steel cylinder detection device for intensive corridor fire safety | |
| CN206668292U (en) | A kind of lift-moving type linked roof bar hydraulic support | |
| CN213297078U (en) | Climb a shore monitoring subassembly | |
| CN111649900A (en) | Anchor rod impact resistance testing system | |
| CN204349352U (en) | The on-the-spot predilation device of outdoor terminal stress cone | |
| CN216410120U (en) | Mounting device of multipoint displacement meter | |
| CN111006857A (en) | Loading device for horizontal load thrust test of glass breast board and protective railing | |
| CN2921182Y (en) | Improved concrete support concreting machine | |
| CN215003504U (en) | Foundation pit displacement detection device | |
| CN104505762A (en) | Outdoor terminal stress cone onsite pre-dilation device and stress cone separating device | |
| CN214368844U (en) | Portable noise automatic checkout device of being convenient for | |
| CN111636670A (en) | Climbing frame top support monitoring assembly and monitoring method | |
| CN215728129U (en) | Take bearing structure's ground detector | |
| CN219951981U (en) | Trench excavation protection device | |
| CN218060238U (en) | Quick detection device of foundation bearing capacity based on in situ test method | |
| CN219410994U (en) | Pile foundation static load test displacement testing arrangement | |
| CN221193477U (en) | Acoustic wave transmission method foundation pile detection device | |
| CN221302162U (en) | Sediment thickness detection device for foundation engineering construction | |
| CN220063707U (en) | Waterproof coiled material performance detection device | |
| CN212643968U (en) | Movable high accuracy safety helmet automatic check out test set | |
| CN112627749B (en) | Method for lifting and lowering pipe rod by pipe rod slide way of petroleum well repairing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |