CN105281051B - A kind of graphite grounding body connection device for transmission line tower grounding network - Google Patents
A kind of graphite grounding body connection device for transmission line tower grounding network Download PDFInfo
- Publication number
- CN105281051B CN105281051B CN201510824271.3A CN201510824271A CN105281051B CN 105281051 B CN105281051 B CN 105281051B CN 201510824271 A CN201510824271 A CN 201510824271A CN 105281051 B CN105281051 B CN 105281051B
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- Prior art keywords
- spinoff
- public access
- groove
- continues
- grounding body
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 52
- 239000010439 graphite Substances 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 title description 9
- 238000005452 bending Methods 0.000 claims abstract description 12
- 230000013011 mating Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- QRJOYPHTNNOAOJ-UHFFFAOYSA-N copper gold Chemical compound [Cu].[Au] QRJOYPHTNNOAOJ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The present invention relates to the graphite grounding body connection device for electric power line pole tower lightning protection grounding network, continue part and clip including public access spinoff, mother；Public access spinoff and mother continue and are respectively equipped with joint face on part, which is equipped with the arc groove of perforation public access spinoff or female part length direction that continues, and in the U-lag of the setting of the bottom of the arc groove one end and arc groove perforation, and it is openend to make the end；It is respectively equipped with the protrusion being adapted and groove on the joint face of public access spinoff and female part that continues, the two is continued body by the mating connection of protrusion and groove into one, makes public access spinoff and female arc groove to continue on part is combined into hole slot along the body length direction perforation that continues；Graphite grounding body for the connection that continues is introduced after vertical bending from openend and is drawn from the hole slot mouth of the other end；Clip is connected to the openend side for the body that continues, and is resisted against the dogleg section of graphite grounding body.Advantage is that grounding body is not easy to be detached from from connection device, and connection is reliable, facilitate construction and service life is long.
Description
Technical field
The present invention relates to power system transmission line lightning protection equipment more particularly to one kind to connect for electric power line pole tower
The graphite grounding body connection device of earth mat.
Background technology
Transmission line tower grounding network is interconnected to form by several grounding bodies above and below the ground, the ground connection of underground
Body is essentially horizontally embedded in underground and is connected with each other and reticulates, and electric power line pole tower is drawn by ground grounding body by somewhere on shaft tower
Enter underground and connect with the grounding body of underground.This kind of transmission line tower grounding network is to ensure that electric power transmission line ground wire is effectively anti-
The important basic power equipment of thunder reliable ground.For many years, China's transmission line tower grounding network is mostly using steel, copper gold
Category, galvanized steel, copper cover earthing material of the coating alloys such as steel material as electric power grounding grid.And metal material is up to the more than ten years
Even in the life cycle of the buried operation of decades, it is difficult to which what is avoided is corroded, and what is more, portion is occurred as soon as at buried 5 years
Divide corrosion, heavy corrosion occurs after 8 years so that the phenomenon that being broken.Therefore, it is currently suggested with the compound ground connection material of soft graphite
Material replaces metallic ground body as novel grounded material, to solve metallic ground body etching problem.
If but by the use of graphite as grounding body, in grounded screen the connection of each grounding body will become problem because graphite cannot
It is correspondingly connected with as metallic ground body conveniently by the progress such as traditional electric welding, gas welding and heat release weldering are mutual.And
Each connecting node tensile property of grounded screen and electrical contact performance are the key positions for influencing entire grounded screen service life, therefore,
Design makes the connection device being reliably connected between two or more graphite grounding bodies that there is important practical engineering application to be worth.
Invention content
One kind it is an object of the invention to solve the deficiency of the above-mentioned prior art and propose is prevented for electric power line pole tower
The graphite grounding body connection device of thunder grounded screen, to solve to be electrically connected connection between the graphite grounding body of transmission line tower grounding network
Problem, the problem are resolved by following technical proposals.
The graphite grounding body connection device, including：Public access spinoff, mother continue part and clip；The public access spinoff and mother
It continues and is respectively equipped with joint face on part, which is equipped with the arc groove of perforation public access spinoff or female part length direction that continues,
And the U-lag penetrated through in the setting of the bottom of the arc groove one end with arc groove, it is openend to make the end；Public access spinoff and mother continue
The protrusion being adapted and groove are respectively equipped on the joint face of part, the two is continued by protrusion and the mating connection of groove into one
Body makes public access spinoff and female arc groove to continue on part be combined into the hole slot penetrated through along body length direction of continuing, and public access spinoff
The openend continued on part with mother is respectively at 180 ° of position positioned at the circumferential angle of each one end of hole slot；Need to continue the stone of connection
Black grounding body squeezed tight by hole slot, to be electrically connected, and one end is drawn from the aperture of hole slot one end, and the other end is through hanging down
It is drawn after straight bending from the openend corresponding to the hole slot other end；The clip is connected to the openend side for the body that continues, and supports
Lean against the dogleg section of graphite grounding body
The openend of the public access spinoff and it is respectively equipped with corresponding to the continue openend side of part of matched mother
One snap-ring groove and the second snap-ring groove；The mother continue part openend and the openend one corresponding to public access spinoff in combination
Side is respectively equipped with the first snap-ring groove and the second snap-ring groove.
The clip includes two halves cranse and connector, and half cranse is the slot with the first snap-ring groove or the second snap-ring groove
The low corresponding open type cranse of profile, two halves cranse are respectively symmetrically positioned in the first snap-ring groove and the second snap-ring groove, and by even
Fitting links into an integrated entity the two, make two halves cranse formed a closed type cranse, inlay card the external side of continuing first=
In two snap-ring grooves.
The public access spinoff, mother continue part, clip and connector using nylon or epoxy resin or fiberglass or polytetrafluoro
Ethylene nonmetallic materials are made；Or it is made of stainless steel or is made of the zinc-plated steel in surface.
The joint face is located at the groove top both sides of arc groove, and the protrusion is separately positioned on public access spinoff with groove and mother connects
The groove top both sides of the arc groove of spinoff.
The one end for the groove that the mother continues on part joint face is closed, the length of the protrusion on the public access spinoff joint face
No more than the length of matched groove.
The public access spinoff and female part that continues is cuboid substantially or semi-cylindricals substantially, the size of length direction
Graphite grounding body diameter not less than 6 times, the thickness at any one place are greater than or equal to 5mm.
The length that the graphite grounding body is drawn from openend bending is not less than 5cm.
The graphite grounding body is the flexible material that shape can arbitrarily change after being pressurized, when being acted on by external force, end face shape
Shape plasticity is strong, can arbitrarily change shape, is fitted closely so as to fulfill with the part groove that continues.
The beneficial effects of the present invention are：
1）For continued access connection soft graphite grounding body by being contained in the hole slot in splicing device of the present invention and mutual
Contact is electrically connected, it can be achieved that more graphite grounding bodies are electrically connected to each other, and one end is by the vertical bending in openend
It draws（Or it introduces）Connection device, and the exit of the bending is also clamped by clip, is drawn in this way from openend（Or draw
Enter）Ground on graphite grounding body when being pulled, the drag force for being not easy to be subject to is conducted to mutual in hole slot
The electrical connections of contact so that the tensile strength of splicing device is big, good anti-drop effect, and connection is reliable；
2）The grounding body connection of different-diameter under various working can be met, and can be carried out according to the grounding body number of receiving
The design of corresponding arc groove is allowed to adapt to the demand wide adaptability of the graphite grounding body connection of different radicals.
3）Anticorrosion, anti-aging property protrude, can iterative cycles utilize, energy-saving effect is notable.
3）It is easy to use, construction when need not with stand-by power source, welding machine, so as to reduce construction cost.
4）Simple for structure, preparation process is simple, can mold batch production, production cost is low.
Description of the drawings
Fig. 1 is the structure diagram of connection device of the present invention.
Fig. 2 is the structure diagram for the public access spinoff for forming connection device.
Fig. 3 is the bottom view of public access spinoff shown in Fig. 2.
Fig. 4 is to form the mother of connection device to continue the structure diagram of part.
Fig. 5 is the bottom view of female part that continues shown in Fig. 4.
Fig. 6 is yoke configurations schematic diagram.
Fig. 7 is that the connection device of the electric power line pole tower present invention carries out the connection diagram of lightning protection.
Specific embodiment
Such as Fig. 1, connection device of the invention mainly continues part 12 by public access spinoff 11, mother and clip 2 forms.Such as Fig. 2~5
Public access spinoff 11 and mother continue and are respectively equipped with joint face 111,112 on part 12, and perforation public access is respectively equipped on two joint face and is continued
Part 11 or female the continue arc groove 113 of 12 length direction of part or arc groove 123, and in the arc groove 113（Or arc groove 123）Bottom
Portion one end sets the U-lag 114 with arc groove perforation（Or U-lag 124）, i.e. the arc groove 113 at the end（Or arc groove 123）Bottom
Portion is by U-lag 114（Or U-lag 124）Perforation so that the end is openend.The joint face of public access spinoff 11 and female part 12 that continues
On be respectively equipped with the protrusion 112 being adapted and groove 122, public access spinoff 11 and the mother part 12 that continues pass through the protrusion 112 and groove
122 mating and link into an integrated entity 1, such as Fig. 5.As a result, two arc grooves 113,123 be combined into an edge continue body grow 1 degree
The hole slot 13 of direction perforation, while above-mentioned public access spinoff 11 and female openend continued on part 12 are located at hole slot 13 respectively（Or
Continue body 1）Each one end, and differ 180 ° in circumferential direction, i.e., circumferential angle is at 180 ° of position.
Graphite grounding body used in the present invention is the soft graphite grounding body that shape can arbitrarily change after being pressurized, and need to continue connection
Soft graphite grounding body, as the graphite grounding body 5 in Fig. 1 and graphite grounding body 5 ' are inserted through public access spinoff 11 and the mother part 12 that continues
Connect it is squeezed and is closely contacted with each other by hole slot 13 so that the two graphite grounding bodies 5,5 ' being contained in hole slot 13 into
Row electrical connection, one end of graphite grounding body 5 is drawn from the aperture of hole slot one end A, and the other end is another from hole slot after vertical bending
The U-lag 114 of openend corresponding to the B of one end is drawn.Likewise, graphite grounding body 5 ' is drawn from the aperture of hole slot one end B, it is another
The U-lag 114 from openend corresponding to hole slot other end B after vertical bending is held to draw.Draw after vertical bending from openend
The length for going out part is more than 5cm.
In order to ensure graphite grounding body 5 through the part that openend is introduced into or is drawn and the perpendicular bending-like in part in hole slot
State, clip 2 are connected to the openend side for the body 1 that continues, and to close the openend, the dogleg section for making graphite grounding body 5 is tight
It is pressed on clip 2.In this way, the graphite grounding body 5 outside connection device is not easy the drag force being subject in the pulling being subject to
It is transmitted to the part through vertical bending and in hole slot, therefore the connection device of the present invention is not easy the graphite to continue grounding body
It is detached from, there is preferable pull resistance.
The public access spinoff 11 of body 1 is continued in composition and mother continues and sets snap-ring groove respectively on part 12, and clip 2 is rabbeted in clip
In slot, can prevent public access spinoff 11, female part 12 that continues be mutually inserted after relative movement, the specific setting of snap-ring groove is：In public affairs
Continue part 11 openend and be respectively equipped with 15 He of the first snap-ring groove corresponding to the continue openend side of part of matched mother
Second snap-ring groove 16；It is respectively equipped in the openend of female part that continues and corresponding to the openend side of public access spinoff in combination
First snap-ring groove 15 and the second snap-ring groove 16.
Such as Fig. 6, clip 2 is made of, and half cranse the connector of two half symmetrically placed cranses and connection the two halves cranse
It is corresponding with the slot bottom profile of the first snap-ring groove or the second snap-ring groove.Two halves cranse is rabbeted respectively in corresponding first clip during use
In slot or the second snap-ring groove, then by the connector that bolt 21, nut 22 form the two halves cranse is connected, be allowed to hoop and be connected on and continue
On the peripheral side of body 1.
It can be seen from the above, public access spinoff 11 and female arc groove 113,123 to continue on part 12 form hole slot 13, will connect
Face is set on the groove top both sides of arc groove, makes two arc grooves 113,123 by being located at the fitting of the joint face 111 and 121 of groove top, shape
The hole slot being closed completely on circumferentially is contained in graphite grounding body compressive deformation in hole slot and enriches in hole slot, make hole slot by
To supportting the active force that rises outward, and the hole slot being closed can be such that this active force is uniformly applied on connection device, be allowed to stress
It is in good condition.
Protrusion 112 on public access spinoff joint face is using dovetail slideway, the groove that corresponding mother continues on part joint face
122 use dovetail groove, and public access spinoff 11 and female part 12 that continues are plugged in dovetail groove by dovetail slideway and carry out the two
Close connection, this kind connection are easy for the connection structure to press to the graphite grounding body in hole slot.In addition, public access spinoff 11
On protrusion 112 it can also be designed to T-rail, the groove that corresponding mother continues on part 12 is then designed to T connected in stars, and the two passes through
T-rail is mutually inserted with T connected in stars and is closely connect.
122 one end of groove that above-mentioned mother continues on part joint face 112 is closed, i.e., groove 122 is non-through slot, reference can be made to
Fig. 4, therefore 122 length of groove is less than the correspondence length of joint face 122.It is corresponding, the protrusion on public access spinoff joint face 111
112 will be with（That is guide rail）Above-mentioned groove 122 matches, and length is no longer than groove, therefore the length of same protrusion 112 is less than
The correspondence length of joint face 112.Such design makes the grafting of public access spinoff and female part that continues have directionality, makes the two by setting
Direction be mutually inserted, ensure public access spinoff 11 and female openend continued on part 12 be located at 13 each one end of hole slot respectively, and
180 ° are differed in circumferential direction.
In order to which the connection device of the present invention is made to have preferable connection effect, the size of length direction is not less than 6 times
Graphite grounding body diameter, while in order to which ensure connection device has certain intensity, the thickness at any one place is greater than or equal to
5mm.Public access spinoff 11 and mother in the connection device of the present invention part 12 that continues can be fabricated to cuboid as depicted, corresponding
Clip 2 is fabricated to rectangular clip, can also be fabricated to semi-cylindrical, and corresponding clip 2 should be fabricated to round clip at this time.
Since connection device is embedded in underground for a long time, to increase corrosion resistance, service life is improved, the present invention continues dress
Public access spinoff 11 in putting, mother continue part 12, clip 2 and connector 3 using the stronger nylon of corrosion resistance or epoxy resin or
Fiberglass or polytetrafluoroethylene (PTFE) nonmetallic materials make, and the zinc-plated steel of stainless steel material or surface can also be used and make.
Such as Fig. 7, apparatus of the present invention are used for the connection of the grounding body of electric power line pole tower lightning protection grounding network, in transmission line of electricity bar
On the steelframe of the tower root quadrangle of tower, the downlead of lightning protection is made of graphite grounding body 5, and pass through the present invention connection device with
Buried grounded screen connection, and it is also to be made of several graphite grounding bodies to be embedded to underground grounded screen, such as grounding body 5 ',
5 ", they respectively with downlead on corresponding position（Graphite grounding body 5）Grounded screen is interconnected to by connection device.In this way,
The connection for forming lightning protection grounding network does not need to welding machine and power supply, easy for construction at low cost.
Claims (8)
1. for the graphite grounding body connection device of electric power line pole tower lightning protection grounding network, it is characterised in that：Including public access spinoff,
Mother continues part and clip；The public access spinoff and mother continue and are respectively equipped with joint face on part, which is equipped with perforation public access
The arc groove of spinoff or female part length direction that continues, and the U-lag penetrated through in the setting of the bottom of the arc groove one end with arc groove,
It is openend to make the end；The protrusion being adapted and groove are respectively equipped on the joint face of public access spinoff and female part that continues, the two is led to
It crosses protrusion and the mating connection of groove to continue body into one, public access spinoff and female arc groove to continue on part is made to be combined into along the body that continues
The hole slot of length direction perforation, public access spinoff and female openend continued on part are located at each one end of hole slot respectively and circumferential angle is
At 180 ° of position；Need to continue connection graphite grounding body squeezed tight by hole slot, to be electrically connected, and one end is from hole
The aperture of slot one end is drawn, and the other end is drawn after vertical bending from the openend corresponding to the hole slot other end；The clip card
The openend for the body that continues is connected on, positioned at the outside of the dogleg section of graphite grounding body, and is resisted against the bending part of graphite grounding body
Point；The openend of the public access spinoff and it is respectively equipped with the first clip corresponding to the continue openend side of part of matched mother
Slot and the second snap-ring groove；The mother continue part openend and corresponding to public access spinoff in combination openend side distinguish
Equipped with the first snap-ring groove and the second snap-ring groove；Each clip includes two halves cranse and connector, and half cranse is and the
The corresponding open type cranse of the low profile of the slot of one snap-ring groove or the second snap-ring groove, two halves cranse are respectively symmetrically positioned over the public access
First snap-ring groove of spinoff or female part that continues is neutralized in the second snap-ring groove of the public access spinoff or female part that continues, and by connector
The two is linked into an integrated entity, two halves cranse is made to form a closed type cranse, inlay card is in first and second card of the external side of continuing
It binds round in slot.
2. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The public access spinoff, mother continue part, clip and connector using nylon or epoxy resin or fiberglass or polytetrafluoroethyl-ne
Alkene nonmetallic materials are made；Or it is made of stainless steel or is made of the zinc-plated steel in surface.
3. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The joint face is located at the groove top both sides of arc groove, and the protrusion is separately positioned on public access spinoff with groove and mother connects
The groove top both sides of the arc groove of spinoff.
4. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The one end for the groove that the mother continues on part joint face is closed, the length of the protrusion on the public access spinoff joint face
No more than the length of matched groove.
5. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The protrusion is dovetail slideway or T-rail, and the groove is dovetail groove or T connected in stars.
6. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The public access spinoff and female part that continues is cuboid substantially or semi-cylindricals substantially, the size of length direction
Graphite grounding body diameter not less than 6 times, the thickness at any one place are greater than or equal to 5mm.
7. the graphite grounding body connection device according to claim 1 for electric power line pole tower lightning protection grounding network, special
Sign is：The length that the graphite grounding body is drawn from openend bending is not less than 5cm.
The dress 8. the graphite grounding body for electric power line pole tower lightning protection grounding network any one of according to claim 1-7 continues
It puts, it is characterised in that：The graphite is the flexible material that shape can arbitrarily change after being pressurized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824271.3A CN105281051B (en) | 2015-11-24 | 2015-11-24 | A kind of graphite grounding body connection device for transmission line tower grounding network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824271.3A CN105281051B (en) | 2015-11-24 | 2015-11-24 | A kind of graphite grounding body connection device for transmission line tower grounding network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105281051A CN105281051A (en) | 2016-01-27 |
| CN105281051B true CN105281051B (en) | 2018-07-06 |
Family
ID=55149653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510824271.3A Active CN105281051B (en) | 2015-11-24 | 2015-11-24 | A kind of graphite grounding body connection device for transmission line tower grounding network |
Country Status (1)
| Country | Link |
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| CN (1) | CN105281051B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658577A (en) * | 2017-08-29 | 2018-02-02 | 国网江苏省电力公司扬州供电公司 | A kind of adjustable for height grounding body connector |
| CN108598719B (en) * | 2018-05-01 | 2024-04-05 | 深圳供电局有限公司 | Three-layer crimping device |
| CN112664806A (en) * | 2020-11-13 | 2021-04-16 | 杭州七友通信科技有限公司 | Novel installation staple bolt on square column |
| CN112909589B (en) * | 2021-01-21 | 2022-05-10 | 中铁建电气化局集团南方工程有限公司 | Ground wire device using graphite as grounding body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191510538A (en) * | 1915-07-20 | 1916-04-20 | Frederick Arthur Bullivant | Improvements in Devices for Securing Wire Ropes Together, and for analogous purposes. |
| DE748296C (en) * | 1941-05-10 | 1944-10-31 | Power clamp for two electrical conductors with a conductive metal band running around them | |
| US2884476A (en) * | 1955-09-26 | 1959-04-28 | Anderson Brass Works | Strain clamp for cables and the like |
| DE1170725B (en) * | 1956-02-22 | 1964-05-21 | Bror Axel Lundquist | Wire rope clamp with two locking plates that can be braced against each other |
| CN105065572A (en) * | 2015-07-21 | 2015-11-18 | 泰州市强达不锈钢丝绳有限公司 | Connecting device of steel wire rope |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205122789U (en) * | 2015-11-24 | 2016-03-30 | 江苏省电力公司电力经济技术研究院 | A graphite grounding body connection device for transmission line shaft tower lightning grounding net |
-
2015
- 2015-11-24 CN CN201510824271.3A patent/CN105281051B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191510538A (en) * | 1915-07-20 | 1916-04-20 | Frederick Arthur Bullivant | Improvements in Devices for Securing Wire Ropes Together, and for analogous purposes. |
| DE748296C (en) * | 1941-05-10 | 1944-10-31 | Power clamp for two electrical conductors with a conductive metal band running around them | |
| US2884476A (en) * | 1955-09-26 | 1959-04-28 | Anderson Brass Works | Strain clamp for cables and the like |
| DE1170725B (en) * | 1956-02-22 | 1964-05-21 | Bror Axel Lundquist | Wire rope clamp with two locking plates that can be braced against each other |
| CN105065572A (en) * | 2015-07-21 | 2015-11-18 | 泰州市强达不锈钢丝绳有限公司 | Connecting device of steel wire rope |
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| Publication number | Publication date |
|---|---|
| CN105281051A (en) | 2016-01-27 |
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