CN201946845U - A portable earth line - Google Patents
A portable earth line Download PDFInfo
- Publication number
- CN201946845U CN201946845U CN2010205939579U CN201020593957U CN201946845U CN 201946845 U CN201946845 U CN 201946845U CN 2010205939579 U CN2010205939579 U CN 2010205939579U CN 201020593957 U CN201020593957 U CN 201020593957U CN 201946845 U CN201946845 U CN 201946845U
- Authority
- CN
- China
- Prior art keywords
- cable
- rotating shaft
- box body
- earth connection
- wire clamp
- 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.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 241000270722 Crocodylidae Species 0.000 claims description 11
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 10
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a portable earth line, comparing a lead end clip connected to a power line, a cable and an earth clip connected with an potential point, in which, both ends of the cable are connected with the lead end clip and the earth clip. The earth line also includes a cable box for storing the cable, which can collect the cable by rotating a crank when the cable is not used so as to reduce volumes of earth lines and to be convenient for examiners to work along with them and favorable to lay lines safely to reduce labor intensity of workers greatly.
Description
Technical field
The utility model relates to a kind of protective device of electric power system, relates in particular to a kind of portable earth connection that uses in the power circuit upkeep operation.
Background technology
Along with the develop rapidly of power grid construction, several the electrical networks in same corridor and frame operation, and more and more with the situation of tower erection double-circuit line or the operation of many loop lines road, and iron tower frame is high more more.Yet the object that line maintenance personnel rod-rising tower need be carried is also more and more, as tetrad (comprising big spanner, small wrench, combination pliers, large size screwdriver), safety belt, safety rope, kit bag and earth connection etc.Tower height, thing are many, are troubling the line maintenance personnel, have a strong impact on repair quality.
On August 1st, 2009, " State Grid Corporation of China's electric power safety working regulation (power circuit part) " (being called for short new " safety "), formally begin to carry out, and wherein explicitly calls for line maintenance need use earth connection.Yet present earth connection needs transmit up and down with rope when shaft tower up and down, and very inconvenience is " difficult problem " of rod-rising tower operation.Therefore, press for a kind of novel grounded line that new " safety " requires that meets, it can be carried for the line maintenance personnel, easy to use, can save maintainer's muscle power.
The utility model content
In order to solve the problems referred to above of prior art, the purpose of this utility model provides a kind of portable earth connection that the line maintenance personnel carry during shaft tower up and down of being convenient to.
To achieve these goals, the utility model provides a kind of portable earth connection, comprise be used for conductor wire end wire clamp, the cable that is connected with power circuit and be used for etc. the earth terminal wire clamp that is connected of ground potential points, also comprise and be used to receive the cable box of adorning described cable, described cable box comprises box body, crank and rotating shaft, described rotating shaft is arranged in the described box body, and at least one end of described rotating shaft exposes to outside the described box body, and described crank is fixedly arranged on the end that described rotating shaft exposes to described box body; Described box body is provided with two through holes, and described cable is fixedlyed connected with described rotating shaft, and the two ends of described cable are connected with described earth terminal wire clamp with described conductor wire end wire clamp respectively after passing from described two through holes respectively.
Preferably, being shaped as of described box body is discoid, and described rotating shaft is arranged in the central authorities of described discoid box body.
Preferably, described two through holes are the side that axial symmetry is arranged at described box body with described rotating shaft.
Preferably, the middle part of described cable is fixedly connected in the described rotating shaft.
Preferably, the side of described rotating shaft is provided with a groove, and described cable makes described cable fixedly connected with described rotating shaft by being connected in the described groove.
Preferably, described cable box adopts epoxide resin material to make.
Preferably, described cable is an annealed copper wire.
Preferably, described conductor wire end wire clamp is the crocodile mouth wire clamp.
Compared with prior art, the beneficial effects of the utility model are:
Portable earth connection of the present utility model is by being provided with cable box, when not using this earth connection, cable can be closed in the described cable box by rotating crank, thereby reduced the volume of earth connection, easy access personnel shaft tower up and down carry, help on shaft tower, connecting up, realized safety, function easily, reduce line maintenance personnel's labour intensity greatly.
Description of drawings
Fig. 1 is the structural representation of portable earth connection of the present utility model;
Fig. 2 is the structural representation of amplification of the cable box of portable earth connection shown in Figure 1;
Fig. 3 is the structural representation of amplification of the rotating shaft of cable box shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of portable earth connection of the present utility model.As shown in Figure 1, a kind of portable earth connection that an embodiment of the present utility model provides, compare with the earth connection of prior art, earth connection of the present utility model also comprises being used to receive the cable box 4 of adorning described cable except that comprising conductor wire end wire clamp, cable and earth terminal wire clamp; Conductor wire end wire clamp in the present embodiment adopts crocodile mouth wire clamp 3, and cable adopts annealed copper wire 2, and the earth terminal wire clamp adopts ground connection special-shaped card 1; In use, described crocodile mouth wire clamp 3 is connected with power circuit, described ground connection special-shaped card 1 with etc. ground potential points be connected, the two ends of described annealed copper wire 2 connect described crocodile mouth wire clamp 3 and described ground connection special-shaped card 1 respectively.
Fig. 2 is the structural representation of amplification of the cable box of portable earth connection shown in Figure 1, and Fig. 3 is the structural representation of amplification of the rotating shaft of cable box shown in Figure 2.As shown in Figures 2 and 3, described cable box 4 comprises box body 5, crank 6 and rotating shaft 7; Described box body 5 is discoid, and described rotating shaft 7 is arranged in the central authorities of described discoid box body 5, and an end of rotating shaft 7 is exposed to outside the box body 5, and described crank 6 is fixedly arranged on described rotating shaft 7 and is exposed to the outer end of box body 5; Having two on the side of described discoid box body 5 is the through hole 8 that axial symmetry is provided with described rotating shaft 7, and the two ends of described annealed copper wire 2 are connected with ground connection special-shaped card 1 with crocodile mouth wire clamp 3 respectively after passing from described two through holes 8 respectively.One groove 9 is set on the side of described rotating shaft 7, and the middle part of described annealed copper wire 2 is connected to described annealed copper wire 2 is fixedlyed connected with described rotating shaft 7, and for increasing the fixed effect of described annealed copper wire 2 and described groove 9, available viscose carries out bonding.In order to alleviate the weight of cable box 4, and satisfy requirement of strength simultaneously, the box body 5 of cable box 4 adopts epoxide resin materials to make.
Described crocodile mouth wire clamp 3 is combined by two ply-yarn drills and spring part, and every ply-yarn drill is by the high-strength aluminum alloy one-step die casting; Spring is good, and any surface finish is corrosion-resistant.Described crocodile mouth wire clamp 3 clamping force height, contact are well, current capacity meets the demands excessively, has enough mechanical strengths; Be provided with only lock pin in addition, after described crocodile mouth wire clamp 3 clipped on the lead, the described lock pin that ends guaranteed that automatically to described crocodile mouth wire clamp 3 lockings its clamp is respond well, under gravity, wind-force, vibration, unexpected impact conditions, can not break away from its closing position.
When high-voltage electric power circuit was overhauled, rod-rising tower line maintenance personnel can carry portable earth connection of the present utility model and climb up shaft tower.During the installing earth connection, at first ground connection special-shaped card 1 is fixed on metal suitable on the shaft tower, is used for ground potential points such as connection; The line conductor of ground connection and the distance between the earth point are as required operated described crank 6 then, roll out the described annealed copper wire 2 that meets length; At last crocodile mouth wire clamp 3 is connected on the line conductor that needs ground connection; After rod-rising tower line maintenance personnel finish aforesaid operations, can carry out the line maintenance operation.The order that disconnects ground wire is opposite with above-mentioned steps.
Portable earth connection of the present utility model is by being provided for receiving the cable box 4 of adorning described annealed copper wire 2, when not using earth connection, by rotating described crank 6, described annealed copper wire 2 can be closed in the described cable box 4, thereby having reduced the volume of earth connection, easy access personnel shaft tower up and down carry, and help connecting up on shaft tower, realize safety, function easily, reduced line maintenance personnel's labour intensity greatly.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection range of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection range, this modification or be equal to replacement and also should be considered as dropping in the protection range of the present utility model.
Claims (8)
1. portable earth connection, comprise be used for conductor wire end wire clamp, the cable that is connected with power circuit and be used for etc. the earth terminal wire clamp that is connected of ground potential points, it is characterized in that, also comprise and be used to receive the cable box of adorning described cable, described cable box comprises box body, crank and rotating shaft, described rotating shaft is arranged in the described box body, and at least one end of described rotating shaft exposes to outside the described box body, and described crank is fixedly arranged on the end that described rotating shaft exposes to described box body; Described box body is provided with two through holes, and described cable is fixedlyed connected with described rotating shaft, and the two ends of described cable are connected with described earth terminal wire clamp with described conductor wire end wire clamp respectively after passing from described two through holes respectively.
2. portable earth connection according to claim 1 is characterized in that being shaped as of described box body is discoid, and described rotating shaft is arranged in the central authorities of described discoid box body.
3. portable earth connection according to claim 2 is characterized in that, described two through holes are the side that axial symmetry is arranged at described box body with described rotating shaft.
4. portable connecting wires according to claim 1 is characterized in that the middle part of described cable is fixedly connected in the described rotating shaft.
5. portable earth connection according to claim 1 is characterized in that the side of described rotating shaft is provided with a groove, and described cable makes described cable fixedly connected with described rotating shaft by being connected in the described groove.
6. portable earth connection according to claim 1 is characterized in that, the box body of described cable box adopts epoxide resin material to make.
7. portable earth connection according to claim 1 is characterized in that described cable is an annealed copper wire.
8. portable earth connection according to claim 1 is characterized in that, described conductor wire end wire clamp is the crocodile mouth wire clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205939579U CN201946845U (en) | 2010-10-29 | 2010-10-29 | A portable earth line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205939579U CN201946845U (en) | 2010-10-29 | 2010-10-29 | A portable earth line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946845U true CN201946845U (en) | 2011-08-24 |
Family
ID=44474181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205939579U Expired - Fee Related CN201946845U (en) | 2010-10-29 | 2010-10-29 | A portable earth line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870666A (en) * | 2016-04-08 | 2016-08-17 | 国家电网公司 | Multifunctional ground wire of integrating electrical inspection and illumination |
| CN112838395A (en) * | 2020-12-31 | 2021-05-25 | 贵州电网有限责任公司 | Multi-functional ground connection of overhead line convenient to carry |
-
2010
- 2010-10-29 CN CN2010205939579U patent/CN201946845U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870666A (en) * | 2016-04-08 | 2016-08-17 | 国家电网公司 | Multifunctional ground wire of integrating electrical inspection and illumination |
| CN112838395A (en) * | 2020-12-31 | 2021-05-25 | 贵州电网有限责任公司 | Multi-functional ground connection of overhead line convenient to carry |
| CN112838395B (en) * | 2020-12-31 | 2022-09-23 | 贵州电网有限责任公司 | Multi-functional ground connection of overhead line convenient to carry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIBEI ELECTRIC POWER CO., LTD. LANGFANG POWER SUPP Effective date: 20121129 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: JIBEI ELECTRIC POWER CO., LTD. LANGFANG POWER SUPPLY COMPANY Effective date: 20121129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIBEI ELECTRIC POWER CO., LTD. LANGFANG POWER SUPP Free format text: FORMER NAME: NORTH CHINA GRID COMPANY LTD. LANGFANG BRANCH |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 065000 LANGFANG, HEBEI PROVINCE TO: 100761 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Patentee after: Langfang Power Supply Company, Jibei Electric Power Co.,Ltd. Address before: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Patentee before: Langfang Power Supply Company of North China Grid Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121129 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: Langfang Power Supply Company, Jibei Electric Power Co.,Ltd. Address before: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Patentee before: Langfang Power Supply Company, Jibei Electric Power Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20161029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |