CN218412715U - Grounding resistance measuring device - Google Patents
Grounding resistance measuring device Download PDFInfo
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- CN218412715U CN218412715U CN202222585417.1U CN202222585417U CN218412715U CN 218412715 U CN218412715 U CN 218412715U CN 202222585417 U CN202222585417 U CN 202222585417U CN 218412715 U CN218412715 U CN 218412715U
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- 238000012360 testing method Methods 0.000 claims abstract description 42
- 230000000694 effects Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 230000035939 shock Effects 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 10
- 238000004891 communication Methods 0.000 abstract description 4
- 230000009979 protective mechanism Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of electric power overhaul auxiliary equipment, in particular to a grounding resistance measuring device, which comprises a tool box body, wherein a protective mechanism is arranged on one side of the tool box body; the method comprises the following steps that wireless communication is adopted between a current clamp and a measuring host, the measuring host is started and is switched to a four-clamp method tower grounding resistance testing page, after a grounding pin is grounded, a testing line is used for carrying out grounding testing on a tower, the current clamp is switched to a resistance testing mode, a starting key is pressed to start testing, a testing LED lamp is used for indicating in the testing process, and stable data, namely the grounding resistance value of a local tower grounding grid, is displayed after the testing is finished; after the measurement is accomplished, place the measurement host computer in the tool case, the activity of shock attenuation portion is supported the piece and can is supported the measurement host computer, and under compression spring's cushioning effect, compression spring counteracts and supports the piece and support the measurement host computer in the activity, promotes the stability of measurement host computer in the instrument box inside.
Description
Technical Field
The utility model belongs to the technical field of electric power overhauls auxiliary assembly, concretely relates to ground resistance measuring device.
Background
Overhead transmission line comprises line tower, the wire, the insulator, the line gold utensil, act as go-between, the shaft tower basis, earthing device etc. erects on ground, wherein, earthing device is used for leading and lets out the thunder and lightning inflow ground, keep the lightning-arrest performance of circuit, the measurement to ground resistance mainly adopts the megger method, when measuring, it is continuous with earthing resistance measuring apparatu end button with the probe that the cable will squeeze into the earth's surface according to the regulation, and current earthing device receives and releases the line after the completion of measurement and need artifical hand to take the cable and twine and bind, long-term use down can cause the fracture of cable department of buckling, and then make insulated conductor wire impaired, and traditional megger is placed and then conveniently is carried in the toolbox, but its stronger shock resistance does not have, violent collision can cause the damage of inside instrument.
For this reason, a ground resistance measuring device is designed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a ground resistance measuring device, the current clamp adopts wireless communication with the measuring host, the measuring host is started and switched to a four-clamp method tower ground resistance test page, after grounding a grounding pin, the grounding test is carried out to the tower by using a test line, the current clamp is switched to a resistance test mode, the test is started by pressing a start key, a test LED lamp indicates during the test process, stable data is displayed after the test is finished, namely the grounding resistance value of the tower grounding grid, after the resistance test is finished, two groups of grinding rods can be inserted into the inside of a limit slider through an insertion block, then the two groups of insertion blocks are stirred and adjusted to the distance of the width adapted to the cable, the stabilization of the two groups of insertion blocks and the grinding rods is finished by screwing the bolt into a threaded hole, then the cable passes between the grinding rods and is installed on a movable roller, then the handle is shaken, so that the movable roller is driven to rotate and finish the rolling of the cable inside of a take-up reel, meanwhile, the automatic contact of the telescopic rod is started, the output end of the automatic contact block pushes the movable contact block, so that the movable roller acts on the inner side of the movable sliding groove of the movable block of the automatic contact block and the measuring device, and the movable contact block is placed in the measuring box, and the measuring device is capable of reducing the bottom of the movable contact block, and the measuring box, further shock absorption and abrasion of the contact surface of the measuring main machine and the tool box body are prevented.
In order to achieve the above purpose, the utility model provides a following technical scheme: a grounding resistance measuring device comprises a tool box body, wherein a protection mechanism is arranged on one side of the tool box body;
protection machanism includes protection casing, take-up reel, movable roller, spacing portion and shock attenuation portion, and the surface of protection casing is connected with the fixed surface of instrument box, and the take-up reel is installed in the inside of protection casing, and one side activity of movable roller cup joints the surface at the protection casing, and the movable roller runs through the middle part of take-up reel and the internal face swing joint of take-up reel, the bottom of spacing portion and the internal face fixed connection of protection casing, and the shock attenuation portion sets up the inside both sides at the instrument box.
As the utility model relates to an earth resistance measuring device is preferred, spacing portion includes supporting seat, automatic telescopic link, limit slide, plug-in block and dull polish stick, bolt threaded connection is passed through with the bottom of automatic telescopic link in the top of supporting seat, one side middle part fixed connection of the output of automatic telescopic link and limit slide, limit slide's bottom slides and cup joints the inside at the supporting seat, the plug-in block slides and cup joints inside limit slide's top, the bottom of dull polish stick is rotated and is connected inside the top of plug-in block.
As the utility model relates to an earth resistance measuring device is preferred, and the shock attenuation portion includes compression spring and activity buttressing plate, and the activity buttressing plate slides and cup joints in the inside of instrument box, and compression spring's both sides are connected with the fixed surface of instrument box and activity buttressing plate respectively.
As the utility model relates to an earth resistance measuring device is preferred, and the measuring part is including measuring host computer, current clamp, earthing needle and test wire, and the both sides joint of measuring the host computer is in the inside of protection casing, and the earthing needle slides and cup joints in the inboard of protection casing, and current clamp and test wire are pegged graft inside the bottom of protection casing.
As the utility model relates to an earth resistance measuring device is preferred, the spout with spacing slider bottom size looks adaptation is seted up at the top middle part of supporting seat.
As the utility model relates to an earth resistance measuring device is preferred, and the screw hole that the diameter equals is seted up to the inside of limit slide and grafting piece.
As the utility model relates to an earth resistance measuring device is preferred, the bottom of instrument box still is provided with the rubber pad.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the current clamp and the measuring host adopt wireless communication, the measuring host is started and is switched to a four-clamp method tower ground resistance test page, after a grounding pin is grounded, the grounding test is carried out on the tower by utilizing a test line, the current clamp is switched to a resistance test mode, the test is started by pressing a start key, a test LED lamp is indicated in the test process, stable data is displayed after the test is finished, namely the ground resistance value of the ground net of the tower, two groups of abrasive bars can be inserted into the limiting slide block through the inserting blocks, then the two groups of inserting blocks are stirred and adjusted to the distance which is adaptive to the width of a cable, the two groups of inserting blocks and the abrasive bars are fixed by screwing bolts into threaded holes, later pass the cable between the dull polish stick and install on the movable roller, later wave the handle, make the rocking handle drive the movable roller and rotate, make the movable roller drive the cable and rotate and accomplish the rolling of cable in rolling dish inside, meanwhile, start the automatic telescopic link of supporting seat, the output jack-up of automatic telescopic link promotes limit slider, make limit slider reciprocate along the inside left and right sides of spout of supporting seat under the effect of automatic telescopic link, under the spacing propelling movement through two sets of dull polish sticks, guaranteed the workman when waveing the handle, the cable can tile the surface at the movable roller, prevent piling up of cable in one side.
2. The utility model discloses in, after the measurement is accomplished, place the measurement host computer in the toolbox, the activity of shock attenuation portion is supported the piece and can be supported the measurement host computer, under compression spring's cushioning effect, compression spring counteracts the activity and supports the measurement host computer to the piece and support, promotes the stability of measurement host computer in the instrument box is inside, and the rubber pad of bottom reduces the frictional force of measurement host computer and toolbox contact surface, has also prevented the wearing and tearing of measurement host computer with the toolbox contact surface when further absorbing.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of an internal section of the middle protective cover according to the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the spacing block and the plugging block;
FIG. 4 is a schematic structural view of the interior of the tool box of the present invention;
in the figure:
1. a tool box;
2. a protection mechanism; 21. a protective cover; 22. a take-up reel; 23. a movable roller; 24. a limiting part; 241. a supporting base; 242. automatic telescopic rods; 243. a limiting slide block; 244. an insertion block; 245. grinding a sand rod; 25. a shock absorbing part; 251. a compression spring; 252. a movable butt plate; 26. a measuring section; 261. a measuring host; 262. a current clamp; 263. a grounding pin; 264. a test line; 3. a chute; 4. a threaded hole; 5. a rubber pad; 6. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1:
the utility model provides a ground resistance measuring device, including tool box 1, current earthing device receives and releases the line after the completion of measurement and needs artifical hand cable and winding to bind, long-term use down can cause the cable department of buckling fracture, and then make the insulated wire impaired, and traditional megger is placed at tool box 1 inside and then conveniently is carried, but it does not have stronger shock resistance, violent collision can cause the damage of internal instrument, on this basis, protection machanism 2 has been added, protection machanism 2 can make things convenient for the workman to receive and release the cable, and protection machanism 2 has certain shock attenuation effect to preventing at the measuring tool of tool box 1 inside.
As shown in fig. 1, 2 and 3:
in an alternative embodiment: the protection mechanism 2 comprises a protection cover 21, a take-up reel 22, a movable roller 23, a limiting part 24 and a damping part 25, the surface of the protection cover 21 is fixedly connected with the surface of the tool box body 1, the take-up reel 22 is installed in the protection cover 21, one side of the movable roller 23 is movably sleeved on the surface of the protection cover 21, the movable roller 23 penetrates through the middle of the take-up reel 22 and is movably connected with the inner wall surface of the take-up reel 22, the bottom of the limiting part 24 is fixedly connected with the inner wall surface of the protection cover 21, the damping part 25 is arranged on two sides of the tool box body 1, the limiting part 24 comprises a supporting seat 241, an automatic telescopic rod 242, a limiting sliding block 243, an inserting block 244 and a sanding rod 245, the top of the supporting seat 241 is in threaded connection with the bottom end of the automatic telescopic rod 242, the output end of the automatic telescopic rod 242 is fixedly connected with the middle of one side of the limiting sliding block 243, the bottom of the limiting sliding block 243 is sleeved inside the supporting seat 241, the bottom of the inserting block 244 is rotatably connected inside the top end of the inserting block 244, the bottom end of the sanding rod 245 is rotatably connected inside the inserting block 244, the measuring part 26 comprises a measuring host 261, a current clamp 262, a grounding pin 261, a current clamp 262 and a testing pin 264, the testing pin 262 of the current clamp 263 and a testing pin 262 inside of the protection cover 21, the testing pin 263.
In this embodiment: the current clamp 262 and the measurement host 261 adopt wireless communication, the measurement host 261 is started and switched to a four-clamp method tower ground resistance test page, after grounding a grounding pin 263, the tower ground test is carried out by using a test wire 264, the current clamp 262 is switched to a resistance test mode, the test is started by pressing a start key, a test LED lamp is indicated in the test process, stable data is displayed after the test is finished, namely the grounding resistance value of a ground net of the tower, two groups of abrasive bars 245 can be inserted into the limiting sliding block 243 through the insertion blocks 244, then the two groups of insertion blocks 244 are shifted and the distance between the two groups of insertion blocks 244 and the adaptive width of the cable is adjusted, the two groups of insertion blocks 244 and the abrasive bars 245 are fixed by screwing the bolts into threaded holes 4, then the cable passes through the space between the abrasive bars 245 and is installed on the movable roller 23, then the handle 6 is shaken, so that the rocking handle drives the movable roller 23 to rotate, so that the movable roller 23 drives the cable to rotate and complete the rolling of the cable in the rolling disc, meanwhile, the middle part of the top end of the support 241 is provided with a sliding chute 3 adaptive to the size of the limiting sliding block 241, the sliding chute 242 automatically pushes the sliding block 242 which pushes the cable to push the sliding block under the horizontal movement of the telescopic rod 242 under the telescopic rod 242, and push of the telescopic rod 242, and push rod under the horizontal movement of the telescopic rod, and push rod 242.
It should be noted that: the threaded holes 4 with the same diameter are formed in the limiting sliding block 243 and the inserting block 244, the distance between the two groups of sanding rods 245 is adjusted through the plurality of groups of threaded holes 4, and then the cables are adapted to the cables, and after the inserting block 244 is screwed, the two groups of rotating sanding rods 245 have a guiding effect on the cables penetrating through the middle portion.
Further, the following steps:
as shown in fig. 1 and 4:
in an alternative embodiment: the shock absorption part 25 comprises a compression spring 251 and a movable abutting plate 252, the movable abutting plate 252 is sleeved in the tool box body 1 in a sliding manner, two sides of the compression spring 251 are fixedly connected with the surfaces of the tool box body 1 and the movable abutting plate 252 respectively, and a rubber pad 5 is further arranged at the bottom of the tool box body 1.
In this embodiment: after the measurement is accomplished, will measure host computer 261 and place in tool box 1, the activity of shock attenuation portion 25 supports the piece and can support and measure host computer 261, under compression spring 251's cushioning effect, compression spring 251 counteracts the activity and supports the piece and support and measure host computer 261, promote the stability of measuring host computer 261 in tool box 1 inside, and the rubber pad 5 of bottom reduces the frictional force of measuring host computer 261 and tool box 1 contact surface, further the absorbing while has also prevented the wearing and tearing of measuring host computer 261 and tool box 1 contact surface.
It should be noted that: the inner side of the compression spring 251 is fixed inside the tool box 1 by a damping part, which is the prior art and is not explained much; by the elastic property of the compression spring 251, under the common clamping of the two groups of symmetrically arranged movable abutting plates 252, the clamping and shock absorption of the measurement host 261 and other measurement instruments with different sizes are completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an earth resistance measuring device, includes tool box (1), its characterized in that: a protection mechanism (2) is arranged on one side of the tool box body (1);
protection machanism (2) are including protection casing (21), take-up reel (22), activity roller (23), spacing portion (24), shock-absorbing part (25) and measuring part (26), the surface of protection casing (21) with the fixed surface of instrument box (1) is connected, take-up reel (22) are installed the inside of protection casing (21), one side activity of activity roller (23) is cup jointed the surface of protection casing (21), just activity roller (23) run through the middle part of take-up reel (22) with the internal face swing joint of take-up reel (22), the bottom of spacing portion (24) with the internal face fixed connection of protection casing (21), shock-absorbing part (25) set up the inside both sides of instrument box (1).
2. The ground resistance measuring device according to claim 1, characterized in that: spacing portion (24) include supporting seat (241), automatic telescopic link (242), spacing slider (243), grafting piece (244) and dull polish stick (245), the top of supporting seat (241) with the bottom of automatic telescopic link (242) is through bolt threaded connection, the output of automatic telescopic link (242) with one side middle part fixed connection of spacing slider (243), the bottom slip cup joint of spacing slider (243) is in the inside of supporting seat (241), it cup joints to insert piece (244) slip inside the top of spacing slider (243), the bottom of dull polish stick (245) is rotated and is connected inside the top of inserting piece (244).
3. The ground resistance measuring device according to claim 1, characterized in that: the shock absorption part (25) comprises a compression spring (251) and a movable abutting plate (252), the movable abutting plate (252) is sleeved in the tool box body (1) in a sliding mode, and two sides of the compression spring (251) are fixedly connected with the surfaces of the tool box body (1) and the movable abutting plate (252) respectively.
4. The ground resistance measuring device according to claim 1, characterized in that: the measuring part (26) comprises a measuring host (261), a current clamp (262), a grounding needle (263) and a test wire (264), two sides of the measuring host (261) are clamped inside the protective cover (21), the grounding needle (263) is sleeved on the inner side of the protective cover (21) in a sliding mode, and the current clamp (262) and the test wire (264) are inserted inside the bottom end of the protective cover (21).
5. The ground resistance measuring device according to claim 2, characterized in that: threaded holes (4) with the same diameter are formed in the limiting sliding block (243) and the inserting block (244).
6. The ground resistance measuring device according to claim 3, characterized in that: the bottom of the tool box body (1) is also provided with a rubber pad (5).
7. The ground resistance measuring device according to claim 5, characterized in that: the middle part of the top end of the supporting seat (241) is provided with a sliding groove (3) matched with the bottom of the limiting sliding block (243) in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222585417.1U CN218412715U (en) | 2022-09-28 | 2022-09-28 | Grounding resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222585417.1U CN218412715U (en) | 2022-09-28 | 2022-09-28 | Grounding resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218412715U true CN218412715U (en) | 2023-01-31 |
Family
ID=84998803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222585417.1U Active CN218412715U (en) | 2022-09-28 | 2022-09-28 | Grounding resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218412715U (en) |
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2022
- 2022-09-28 CN CN202222585417.1U patent/CN218412715U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: No. 55 Lianting Road, Qinzhou District, Tianshui City, Gansu Province, 741000 Patentee after: Tianshui Tianchen Industrial (Group) Co.,Ltd. Address before: 741000 No.1, Chongxin street, Qinzhou District, Tianshui City, Gansu Province Patentee before: TIANSHUI POWER SUPPLY COMPANY OF STATE GRID GANSU ELECTRIC POWER Co. |
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| TR01 | Transfer of patent right |