CN210897658U - Grounding discharge device - Google Patents
Grounding discharge device Download PDFInfo
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- CN210897658U CN210897658U CN201921820172.8U CN201921820172U CN210897658U CN 210897658 U CN210897658 U CN 210897658U CN 201921820172 U CN201921820172 U CN 201921820172U CN 210897658 U CN210897658 U CN 210897658U
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Abstract
The utility model relates to an electric power safety technical field especially relates to a ground discharge device, including the earth bar, the earth bar is connected with two spring insulating bar through the earth connection, the earth connection is equipped with a plurality of area hole connection pieces, the earth bar be close to one side at top with one side that two spring insulating bar are close to the top all is equipped with the connecting block of threaded hole, and this ground discharge device still is equipped with the tight pulley, one side of tight pulley is fixed with the screw rod, two the tight pulley passes through the screw rod respectively the foraminiferous connection piece at earth connection head and the tail both ends with the earth bar with threaded hole of the connecting block of two spring insulating bar carries out threaded connection. Through this ground connection discharge device, make between earth bar and the earth connection, the earth connection all need not to accomplish through the instrument with being connected between the two spring insulating bar, effectual improvement ground connection discharge device's installation effectiveness.
Description
Technical Field
The utility model relates to an electric power safety technical field especially relates to a ground connection discharge device.
Background
The grounding means that the neutral point of the power system and the electrical device, the exposed conductive portion of the electrical apparatus and the external conductive portion of the device are connected to the ground via conductors. Can be divided into working ground, lightning protection ground and protection ground. The grounding discharge device consists of a grounding body and a grounding wire. A metal conductor in direct contact with the soil is called a ground body. The metal conductor of the electrical equipment, which needs to be connected with the grounding point and the grounding body, is called the grounding wire.
As in application No.: CN201521092294.1 discloses a grounding discharge device for power distribution network line maintenance, which comprises a grounding rod and a grounding wire plug, wherein the grounding wire plug is in threaded connection with a connecting head of the grounding rod; a T-shaped contact element which is contacted with the connector is arranged in the grounding wire plug; and a conductive piece for connecting with the grounding wire is arranged on the T-shaped contact piece. The utility model discloses a connector that sets up on the earthed pole realizes the ground connection of earth connection with the threaded connection of earth connection plug, simple to operate is swift, and the T type contact and the connector terminal surface of installation contact completely in the earth connection plug moreover, and the spring of setting on T type contact can guarantee that T type contact all the time and the terminal surface in close contact with of connector, guarantees the good nature of contact, and moreover, T type contact has increased area of contact, has reduced ground resistance. Based on the search of the above patent and the discovery of combining with the existing equipment, when the distribution network line is overhauled, the distribution network line is firstly connected with the ground, at this time, the grounding discharge device is needed to complete the connection, and the existing grounding discharge device has the following defects in the actual use process, such as: 1. in the existing grounding discharge device, the connection between the grounding rod and the grounding wire is connected by bolts, so that the connection between the grounding rod and the grounding wire can be completed by tools, and the installation efficiency of the grounding discharge device is reduced; 2. the depth standard of the grounding rod inserted into the underground soil is between 0.5 and 1.5 meters, and when workers insert the grounding rod into the underground soil, the current underground depth of the grounding rod cannot be accurately perceived, so that the phenomenon that the installation depth of the grounding rod does not reach the standard is caused; 3. The double-spring operating rod in the existing grounding discharge device is simple in structure, the length of the operating rod cannot be adjusted, and more wiring height requirements cannot be met.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a grounding discharge device for power distribution network line maintenance is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ground connection discharge device, this ground connection discharge device installation is simple, and is efficient, the current underground degree of depth that inserts of earth bar that discovers that simultaneously can be accurate, and two spring action bars adjustable length can satisfy the problem of more wiring height demands.
The technical scheme of the utility model as follows:
the utility model provides a ground connection discharge device, includes the earth bar, the earth bar is connected with two spring insulating bar through the earth connection, the earth connection is equipped with a plurality of area hole connection pieces, one side that the earth bar is close to the top with one side that two spring insulating bar are close to the top all is equipped with threaded hole's connecting block, and this ground connection discharge device still is equipped with the tight pulley, one side of tight pulley is fixed with the screw rod, two the tight pulley passes respectively through the screw rod the foraminiferous connection piece at earth connection head and the tail both ends with the earth bar with threaded hole of the connecting block of two spring insulating bar carries out threaded connection.
When the grounding device is installed, due to the fact that the head end and the tail end of the grounding wire are provided with the connecting pieces with holes, the fastening wheel can be screwed, the screw rod of the fastening wheel penetrates through the connecting pieces with holes to be in threaded connection with the threaded holes of the connecting blocks of the grounding rod and the double-spring insulating operating rod respectively, therefore, connection between the grounding rod and the grounding wire and connection between the grounding rod and the double-spring insulating operating rod can be achieved without tools, and installation efficiency of the grounding discharge device is effectively improved.
Furthermore, limiting columns are welded on two sides of the threaded hole of the connecting block, three holes are formed in the connecting sheet with the holes, the two limiting columns penetrate through the holes in two sides of the connecting sheet with the holes, and a screw rod of the fastening wheel penetrates through the hole in the middle of the connecting sheet with the holes and is in threaded connection with the threaded hole of the connecting block.
Through the setting of spacing post, obtain limiting displacement when making foraminiferous connection piece connect the installation, the earth connection of being convenient for fixes a position through foraminiferous connection piece quick and connecting block, makes the earth connection through revolving to twist the tight pulley can stabilize fast and be connected the installation with earth bar and two spring insulating bar, further improves the installation effectiveness.
And furthermore, a pressing piece is further arranged, the pressing piece is provided with three holes and corresponds to the three holes of the connecting piece with holes, when the fastening wheel fastens the connecting piece with holes, the two limiting columns penetrate through the holes on the two sides of the pressing piece, then a screw rod of the fastening wheel sequentially penetrates through the hole in the middle of the pressing piece and the hole in the middle of the connecting piece with holes and is in threaded connection with a threaded hole of the connecting block, one surface of the pressing block is tightly attached to the connecting piece with holes, and the other surface of the pressing block is tightly attached to the fastening wheel.
After fixing a position foraminiferous connection piece and spacing post, continue to install the cramp piece on spacing post again, then revolve wrong tight pulley and lock foraminiferous connection piece on the connecting block, the two sides of cramp piece pastes tightly with foraminiferous connection piece and tight pulley respectively this moment, prevent effectively that there is the clearance between foraminiferous connection piece and the tight pulley, the axial motion of foraminiferous connection piece on spacing post is restricted, it is inseparable to make it firmly install on the connecting block and contact, and make earth connection and earth bar and two spring insulating bar all keep switching on, it is effective to guarantee to ground connection.
Furthermore, the top of the ground rod is fixedly connected with a stress round table, the bottom of the ground rod is a conical head, handles are welded on two sides of the stress round table, and the handles are sleeved with handle sleeves.
The ground rod is more convenient to insert into the ground for hammering through the stress round table, and the ground rod with the conical head is convenient to insert into the ground, so that the resistance is reduced, and the installation efficiency of the ground rod is improved; the handles are arranged on two sides of the stress round platform, the handles are convenient for workers to insert the grounding rod into the ground by force, and the handles are sleeved with the handle sleeves, so that the workers feel more comfortable when holding the handles and have better friction force.
Furthermore, the ground rod is provided with scale marks, and the ground rod is sleeved with an auxiliary disc. Through being equipped with the scale marking on the earth bar, make the staff when inserting the earth bar underground soil, can be accurate discover the current underground degree of depth that inserts of earth bar, and through supplementary disc, it is more convenient when making the ground to the scale marking on its earth bar, precision when effectively having improved the earth bar installation.
Further, the double-spring insulation operating rod comprises a sliding rod sleeve, a sliding rod and a double-spring hook, wherein the sliding rod sleeve is provided with a sliding groove, the sliding rod sleeve is connected with the outer portion of the sliding rod in a sliding mode through the sliding groove, and the double-spring hook is fixed to the top of the sliding rod.
The double-spring type hook is used for being hung on a wire needing to be grounded, when the height of the double-spring insulating operating rod needs to be adjusted, the sliding rod can be used for sliding in the sliding groove of the sliding rod sleeve, and the whole length of the double-spring insulating operating rod is flexibly adjusted through sliding between the sliding rod and the sliding rod sleeve, so that the practicability of the grounding discharge device is improved.
Furthermore, one side of the sliding rod sleeve is provided with a bulge, the bulge is provided with a threaded through hole communicated with the sliding groove, the grounding discharge device is further provided with a locking knob, one side of the locking knob is fixedly provided with a screw rod, the screw rod of the locking knob is in threaded connection with the threaded through hole formed by the bulge, and when the locking knob is tightly attached to the sliding rod sleeve, the sliding rod is in a fixed state on the sliding rod sleeve.
After the sliding rod slides in the sliding groove in the sliding rod sleeve to adjust the height, the locking knob is screwed to be tightly attached to the sliding rod sleeve, and the sliding rod is fixed on the sliding rod sleeve.
Furthermore, an insulating rubber handle is sleeved at the bottom of the sliding rod sleeve. The insulating rubber handle is convenient for the staff to hold the sliding rod cover tightly to adjust the operation to two spring insulating bar.
The utility model has the advantages that:
1. the utility model quickly locks the connecting pieces with holes at the two ends of the grounding wire on the connecting block through the fastening wheel, so that the connection between the grounding rod and the grounding wire and between the grounding wire and the double-spring insulating operating rod can be completed without tools, thereby effectively improving the installation efficiency of the grounding discharge device;
2. in order to further improve the efficiency, a limiting column is arranged to enable the perforated connecting sheet to be quickly positioned with the connecting block, after positioning is carried out, a pressing sheet is arranged between the perforated connecting sheet and the fastening wheel, the pressing sheet effectively prevents a gap from being formed between the perforated connecting sheet and the fastening wheel, axial movement of the perforated connecting sheet on the limiting column is limited, the perforated connecting sheet can be firmly arranged on the connecting block and tightly contacted, the grounding wire, the grounding rod and the double-spring insulating operating rod are kept in conduction, and effective grounding is guaranteed;
3. the scale mark lines are arranged on the ground rod, so that when a worker inserts the ground rod into underground soil, the worker can accurately perceive the current underground depth of the ground rod, and the ground can more conveniently face the scale mark lines on the ground rod through the auxiliary disc, so that the accuracy of the ground rod in installation is effectively improved;
4. the sliding rod slides in the sliding groove of the sliding rod sleeve, so that the whole length of the double-spring insulating operating rod is flexibly adjusted, and the double-spring insulating operating rod is locked through the locking knob after the adjustment is finished, and the practicability of the grounding discharge device is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a ground rod;
FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;
FIG. 4 is a schematic diagram of a split structure of the double-spring insulated operating rod;
FIG. 5 is a schematic cross-sectional view of a double-spring insulated operating rod;
FIG. 6 is a schematic structural diagram of a ground line;
FIG. 7 is a schematic view of the fastening wheel;
FIG. 8 is a schematic view of the locking knob;
in the figure: 1-grounding rod, 101-stress circular truncated cone, 102-handle, 103-scale mark line, 104-auxiliary disc, 2-grounding wire, 201-perforated connecting sheet, 3-double-spring insulating operating rod, 301-sliding rod sleeve, 302-sliding rod, 303-double-spring hook, 304-sliding groove, 305-insulating rubber handle, 306-bulge, 4-connecting block, 401-limiting column, 5-fastening wheel, 6-pressing piece and 7-locking knob.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1-8, a ground discharging device, including earth bar 1, earth bar 1 is connected with two spring insulating bar 3 through earth connection 2, earth connection 2 is equipped with a plurality of foraminiferous connection pieces 201, connecting block 4 with the screw hole has all been welded to one side that earth bar 1 is close to the top and one side that two spring insulating bar 3 are close to the top, this ground discharging device still is equipped with tight pulley 5, the welding of one side of tight pulley 5 has the screw rod, two tight pulley 5 pass foraminiferous connection piece 201 and the screw hole of connecting block 4 of earth bar 1 and two spring insulating bar 3 of earth connection 2 head and the tail both ends respectively through the screw rod and carry out threaded connection.
When the grounding device is installed, the connecting pieces 201 with holes are arranged at the head end and the tail end of the grounding wire 2, the fastening wheel 5 can be screwed, and a screw rod of the fastening wheel 5 penetrates through the connecting pieces 201 with holes to be respectively in threaded connection with the grounding rod 1 and the threaded hole of the connecting block 4 of the double-spring insulating operating rod 3, so that connection between the grounding rod 1 and the grounding wire 2 and connection between the grounding wire 2 and the double-spring insulating operating rod 3 can be completed without tools, and the installation efficiency of the grounding discharge device is effectively improved.
In order to further improve the installation efficiency, in this embodiment, the connecting block 4 is welded with the limiting columns 401 on both sides of the threaded hole, as shown in fig. 3 and 5, the connecting plate with hole 201 is provided with three holes, as shown in fig. 6, the two limiting columns 401 penetrate through the holes on the upper and lower sides of the connecting plate with hole 201, and the screw of the fastening wheel 5 penetrates through the hole in the middle of the connecting plate with hole 201 to be in threaded connection with the threaded hole of the connecting block 4. Through spacing post 401's setting, obtain limiting displacement when making foraminiferous connection piece 201 connect the installation, the earth connection 2 of being convenient for fixes a position with connecting block 4 through foraminiferous connection piece 201 fast, makes earth connection 2 can stabilize fast and be connected the installation with earth bar 1 and two spring insulating bar 3 through twisting tight pulley 5 soon.
Referring to fig. 1, in this embodiment, a pressing plate 6 is further provided, the pressing plate 6 is provided with three holes corresponding to the three holes of the connecting sheet with holes 201, when the fastening wheel 5 fastens the connecting sheet with holes 201, two limiting columns 401 first pass through the holes on two sides of the connecting sheet with holes 201, then the two limiting columns 401 pass through the holes on two sides of the pressing plate 6, then a screw of the fastening wheel 5 sequentially passes through the hole in the middle of the pressing plate 6 and the hole in the middle of the connecting sheet with holes 201 to be in threaded connection with the threaded hole of the connecting block 4, at this time, one surface of the pressing block 6 is tightly attached to the connecting sheet with holes 201, and the other surface is tightly attached to the.
After locating foraminiferous connection piece 201 and spacing post 401, continue to install compressing tightly piece 6 on spacing post 401 again, then twist fastening wheel 5 soon and lock foraminiferous connection piece 201 on connecting block 4, the two sides of compressing tightly piece 6 pastes closely with foraminiferous connection piece 201 and fastening wheel 5 respectively this moment, prevent effectively that there is the clearance between foraminiferous connection piece 201 and the fastening wheel 5, the axial motion of foraminiferous connection piece 201 on spacing post 401 is restricted, make it can firmly install on connecting block 4 and contact closely, and make earth connection 2 all keep switching on with earth bar 1 and two spring insulating bar 3, guarantee that ground connection is effective.
Referring to fig. 1 and 2, in the present embodiment, a stress circular truncated cone 101 is fixedly welded on the top of a ground rod 1, a conical head is arranged at the bottom of the ground rod 1, grips 102 are welded on both sides of the stress circular truncated cone 101, a grip sleeve is sleeved on each grip 102, a scale mark 103 is arranged on the ground rod 1, and an auxiliary disc 104 is sleeved on the ground rod 1.
The ground rod 1 is more convenient to insert into the ground for hammering through the stress circular truncated cone 101, the ground rod 1 with the conical head is convenient to insert into the ground, resistance is reduced, and the installation efficiency of the ground rod 1 is improved; the handles 102 are arranged on the two sides of the stress circular truncated cone 101, the handles 102 are convenient for workers to insert the grounding rod 1 into the ground by force, and the handles 102 are sleeved with the handle sleeves, so that the workers feel more comfortable when holding the handles 102 and have better friction force; scale marking 103 makes the staff when inserting earth bar 1 underground soil, can be accurate discover the current underground depth of inserting of earth bar 1, and through supplementary disc 104, it is more convenient when making ground to the scale marking 103 on its earth bar 1, precision when effectively having improved the installation of earth bar 1.
Referring to fig. 1, 4 and 5, in the present embodiment, the dual-spring insulating operating rod 3 includes a sliding rod sleeve 301, a sliding rod 302, and a dual-spring type hook 303, a sliding slot 304 is formed in the center of the sliding rod sleeve 301, the sliding rod sleeve 301 is slidably connected to the outside of the sliding rod 302 through the sliding slot 304, an insulating rubber handle 305 is sleeved on the bottom of the sliding rod sleeve 301, the dual-spring type hook 303 is fixedly welded to the top of the sliding rod 302, a protrusion 306 is formed on one side of the sliding rod sleeve 301, a threaded through hole communicated with the sliding slot 304 is formed in the protrusion 306, the ground discharging apparatus is further provided with a locking knob 7, a screw is fixed to one side of the locking knob 7, the screw of the locking knob 7 is threadedly connected to the threaded through hole formed in the protrusion 306, and when the locking knob 7 tightly contacts the sliding rod sleeve 301, the sliding rod 302 is fixed on the sliding rod sleeve 301.
The double-spring-type hook 303 is used for being hung on a wire which needs to be grounded, when the height of the double-spring insulating operating rod 3 needs to be adjusted, the sliding rod 302 can be used for sliding adjustment in the sliding groove 304 of the sliding rod sleeve 301, the sliding rod 302 and the sliding rod sleeve 301 slide, so that the whole length of the double-spring insulating operating rod 3 is flexibly adjusted, the practicability of the grounding discharge device is improved, after the sliding rod 302 slides and adjusts the height in the sliding groove 304 of the sliding rod sleeve 301, the locking knob 7 is screwed, the locking knob 7 is tightly attached to the sliding rod sleeve 301, and at the moment, the sliding rod 302 is in a fixed state on the sliding rod sleeve 301.
The specific use mode and function of the embodiment are as follows:
during installation, the two fastening wheels 5 are manually detached from the ground rod 1 and the double-spring insulating operating rod 3 respectively, then the perforated connecting sheet 201 on the left side of the ground wire 2 is installed on the limiting column 401 on the front end face of the connecting block 4 of the ground rod 1, then the pressing sheet 6 is continuously installed on the limiting column 401 and placed in front of the perforated connecting sheet 201, then the screw rods of the fastening wheels 5 sequentially penetrate through holes in the middles of the pressing sheet 6 and the perforated connecting block 201 to be in threaded connection with threaded holes formed in the connecting block 4, and the fastening wheels 5 are screwed to fasten the perforated connecting sheet 201; similarly, the perforated connecting sheet 201 on the right side of the grounding wire 2 is mounted on the connecting block 4 of the double-spring insulating operating rod 3 in the same way for locking; the installation operation can be completed without tools, so that the installation efficiency of the grounding discharge device is effectively improved;
after the grounding wire 2 is installed, a worker holds the handle 102 tightly, inserts the conical head of the grounding rod 1 into underground soil, when the grounding rod is inserted into the hard soil, the conical head can be hammered by aiming at the stress circular truncated cone 101 through tools such as a hammerhead, so that the grounding rod 1 is more labor-saving when the grounding rod 1 is inserted into the hard soil, and in the process of inserting the grounding rod 1 into the underground, the worker can accurately perceive the current underground insertion depth of the grounding rod 1 by observing the scale mark 103 arranged on the grounding rod 1 and then manually attaching the auxiliary disc 104 to the ground tightly;
after the grounding rod 1 is inserted, when the double-spring-shaped hook 303 needs to be hooked with a power distribution network line, the insulating rubber handle 305 is manually held, the double-spring-shaped insulating operating rod 3 is moved to the upper part of the power distribution network line, and then the double-spring-shaped hook 303 is hooked with the power distribution network line under the hook action of the double-spring-shaped hook 303; when the whole length of double-spring insulating operating rod 3 needs to be adjusted, locking knob 7 is loosened manually, sliding rod 302 loses fixation on upper portion of sliding rod sleeve 301, and therefore sliding rod 302 can flexibly adjust extension height in sliding groove 304 of sliding rod sleeve 301, after adjustment is completed, locking knob 7 is screwed manually, and fastening can be achieved, and practicability of the grounding discharge device is improved.
In this embodiment, the height-adjustable rod body formed by the sliding rod sleeve 301 and the sliding rod 302 of the double-spring insulating operating rod 3 can be replaced by other telescopic rod body structures capable of realizing telescopic height adjustment.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a ground connection discharge device, includes the earth bar, its characterized in that, the earth bar is connected with two spring insulating bar through the earth connection, the earth connection is equipped with a plurality of foraminiferous connection pieces, the earth bar be close to one side at top with one side that two spring insulating bar are close to the top all is equipped with the connecting block of threaded hole, and this ground connection discharge device still is equipped with the tight pulley, one side of tight pulley is fixed with the screw rod, two the tight pulley passes respectively through the screw rod the foraminiferous connection piece at earth connection head and the tail both ends with the earth bar with the threaded hole of the connecting block of two spring insulating bar carries out threaded connection.
2. The ground discharge device of claim 1, wherein the connecting block has three holes welded to both sides of the threaded hole, the connecting plate with holes has three holes, two of the limiting posts pass through the holes on both sides of the connecting plate with holes, and the screw of the fastening wheel passes through the hole in the middle of the connecting plate with holes and is in threaded connection with the threaded hole of the connecting block.
3. The ground discharge device of claim 2, further comprising a compressing plate, wherein the compressing plate is provided with three holes corresponding to the three holes of the connecting piece with holes, when the fastening wheel fastens the connecting piece with holes, the two limiting columns penetrate through the holes on the two sides of the compressing plate, then a screw of the fastening wheel penetrates through the hole in the middle of the compressing plate and the hole in the middle of the connecting piece with holes in sequence to be in threaded connection with the threaded hole of the connecting block, one surface of the compressing block is tightly attached to the connecting piece with holes, and the other surface of the compressing block is tightly attached to the fastening wheel.
4. The ground discharge device of any one of claims 1-3, wherein a stress circular truncated cone is fixedly connected to the top of the ground rod, a conical head is arranged at the bottom of the ground rod, grips are welded to both sides of the stress circular truncated cone, and a grip sleeve is sleeved on each grip.
5. The grounding discharge device as claimed in any one of claims 1 to 3, wherein the grounding rod is provided with a scale mark, and an auxiliary disk is sleeved on the grounding rod.
6. A ground discharge apparatus according to any one of claims 1 to 3, wherein said double-spring insulating operation rod comprises a sliding rod sleeve, a sliding rod, and a double-spring type hook, said sliding rod sleeve is provided with a sliding slot, said sliding rod sleeve is slidably connected with the outside of said sliding rod through said sliding slot, and said double-spring type hook is fixed on the top of said sliding rod.
7. The ground discharge device of claim 6, wherein a protrusion is formed on one side of the sliding rod sleeve, and the protrusion is formed with a threaded through hole communicated with the sliding groove, the ground discharge device further comprises a locking knob, a screw is fixed on one side of the locking knob, the screw of the locking knob is in threaded connection with the threaded through hole formed on the protrusion, and when the locking knob is tightly attached to the sliding rod sleeve, the sliding rod is fixed on the sliding rod sleeve.
8. The ground discharge apparatus as claimed in claim 6, wherein an insulating rubber handle is sleeved on the bottom of the sliding rod sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820172.8U CN210897658U (en) | 2019-10-25 | 2019-10-25 | Grounding discharge device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921820172.8U CN210897658U (en) | 2019-10-25 | 2019-10-25 | Grounding discharge device |
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| CN210897658U true CN210897658U (en) | 2020-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708099A (en) * | 2021-09-07 | 2021-11-26 | 贵州电网有限责任公司 | Novel earth connection is connected device |
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2019
- 2019-10-25 CN CN201921820172.8U patent/CN210897658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708099A (en) * | 2021-09-07 | 2021-11-26 | 贵州电网有限责任公司 | Novel earth connection is connected device |
| CN113708099B (en) * | 2021-09-07 | 2023-05-16 | 贵州电网有限责任公司 | Grounding wire connecting device |
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