CN203398348U - Multifunctional grounding clamp applying to ground wire - Google Patents
Multifunctional grounding clamp applying to ground wire Download PDFInfo
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- CN203398348U CN203398348U CN201320355657.0U CN201320355657U CN203398348U CN 203398348 U CN203398348 U CN 203398348U CN 201320355657 U CN201320355657 U CN 201320355657U CN 203398348 U CN203398348 U CN 203398348U
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- earth connection
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Abstract
The utility model discloses a multifunctional grounding clamp applying to a ground wire. The multifunctional grounding clamp comprises a clamp body 3 and also a double-hole copper nose 5 provided with a through hole A and a through hole B. The clamp body 3 is provided with an internal screw thread hole; the internal screw thread hole is internally provided with a screw; the double-hole copper nose 5 is connected with the ground wire through a wiring end; and the double-hole copper nose 5 is sleeved on the outer diameter surface of the screw through the through hole A. The multifunctional grounding clamp has the following advantages: a conventional ground wire is enabled to meet the grounding requirements for construction safety at any fields, and the multifunctional grounding clamp is used when the conventional grounding wire is not long enough or a plurality of grounding wires are used so that the personal safety of construction workers can be guaranteed.
Description
Technical field
the utility model relates to earthing device, is specifically applied to the multifunctional grounded folder of earth connection.
Background technology
10kV distribution is the important component part of electrical network, power transmission network with respect to voltage levels, its area coverage is wide, complex structure, short circuit grounding electric current is large, breakdown repair, the construction tasks such as track remodelling are more, safety measure in work progress is to ensuring personal safety the vital effect that plays, and the maintenance 10kV high-voltage grounding wire that now distribution line construction teams and groups allot, being tail end adopts drill rod to insert the mode of the ground connection in soil, and while carrying out the work in urban area, because of earth connection curtailment, after sclerosis or the road surface of laying footway brick often can not find suitable earth connection tail end insertion point, make safety guarantee work have larger limitation.
Utility model content
The purpose of this utility model is to provide a kind of earthing device that makes existing earth connection can meet multiple field construction safety ground requirement, is applied to the multifunctional grounded folder of earth connection.
The purpose of this utility model is achieved through the following technical solutions: be applied to the multifunctional grounded folder of earth connection, comprise tong bodies, tong bodies has internal thread hole, is provided with screw in internal thread hole; Also comprise the diplopore copper lug with through hole A and through hole B, diplopore copper lug connects earth connection by terminals, and diplopore copper lug is sleeved on the outer diametric plane of screw by through hole A.
Traditional earthing mode is: earth lead is connected with ground connection drill rod, utilize drill rod to insert in earth and carry out ground connection guiding, the method, need operating personnel's drill rod is inserted energetically underground, particularly, in city, search out the very inconvenient of Soft Soil Layer, Soft Soil Layer is often in the far place of construction point, need a large amount of earth connections, could guide ground connection.Compare and traditional earthing mode, the utility model utilizes the combination of earth connection and clamp, and earth connection is connected with clamp, only need to find grounding post in use, by clamp, the earthing conductor of ground stud is connected and can be grounded guiding.Easy to operate, and adopt the mode of clamp, can guarantee the safety and stability of ground connection, can as traditional earthing mode, not cause the obstructed problem of ground path by the easy stable connection due to earth connection and drill rod.
Because the earthing conductor number on ground stud is generally less, while therefore adopting the connected mode of clamp, because the volume of clamp own is larger, the place that therefore can allow clamp clamp is less, therefore the in the situation that of more construction line, problem with grounding is still comparatively difficult, for this reason, in the through hole B of diplopore copper lug of the present utility model, is inserted with pitman.By pitman, the clamp being connected on earthing conductor is guided out to an earth terminal, by connecting earth rod, the more ground connection guiding of can connecting.The earth terminal simultaneously guiding can be applied to the test of ground path, and during test, ,Zhi Xujiang test side is connected on earth terminal.
In order to optimize the connected mode of pitman, pitman comprises attachment screw, retainer ring, the hollow adapter sleeve connecting successively, and attachment screw is plugged in through hole B.
Retainer ring comprises that ring set and the copper being arranged in ring set connect son, and wherein attachment screw and copper connect sub-connection, and ring set is connected with hollow adapter sleeve.It is the copper ring of hollow that copper connects son, and its copper connects sub aperture surface groove is set, and facilitates fixed-direction, prevents from rotating the link inserting in copper ring.
In described hollow adapter sleeve, be inserted with connection metal rod, its connection metal rod connects sub-connection with copper.Connection metal rod connects after sub-connection with copper, can conduct electricity and connect son, conducts electricity to attachment screw again, conducts electricity to diplopore copper lug to copper, finally by tong bodies, conducts electricity into ground.
The utility model is not transformed and is processed existing 10kV earth connection, develop separately a set of combination earthing tool, the mode that makes earth connection tail end ground connection adopt conventional drill rod ground connection and clamp ground connection and deposit, thereby the reliable ground of 10kV earth connection tail end in the time of effectively guaranteeing working earthing, in same district or place when work, several groups of earth connections can adopt an earth terminal jointly, effectively reduce the time that safety measure is arranged, raise labour productivity, the personal safety while ensureing circuit construction operation in city.
The utility model has the advantage of: make existing earth connection can meet any field construction safety ground requirement, when existing earth connection length is inadequate or when many group earth connections are used, use, conscientiously guarantee workmen's personal safety.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1.
The multifunctional grounded folder that is applied to earth connection, comprises tong bodies 3, and tong bodies 3 has internal thread hole, is provided with screw in internal thread hole; Also comprise the diplopore copper lug 5 with through hole A and through hole B, diplopore copper lug 5 connects earth connection by terminals, and diplopore copper lug 5 is sleeved on the outer diametric plane of screw by through hole A.
Traditional earthing mode is: earth lead is connected with ground connection drill rod, utilize drill rod to insert in earth and carry out ground connection guiding, the method, need operating personnel's drill rod is inserted energetically underground, particularly, in city, search out the very inconvenient of Soft Soil Layer, Soft Soil Layer is often in the far place of construction point, need a large amount of earth connections, could guide ground connection.Compare and traditional earthing mode, the utility model utilizes the combination of earth connection and clamp, and earth connection is connected with clamp, only need to find grounding post in use, by clamp, the earthing conductor of ground stud 2 is connected and can be grounded guiding.Easy to operate, and adopt the mode of clamp, can guarantee the safety and stability of ground connection, can as traditional earthing mode, not cause the obstructed problem of ground path by the easy stable connection due to earth connection and drill rod.
Because earthing conductor 2 numbers on ground stud 1 are generally less, while therefore adopting the connected mode of clamp, because the volume of clamp own is larger, the place that therefore can allow clamp clamp is less, therefore the in the situation that of more construction line, problem with grounding is still comparatively difficult, for this reason, in the through hole B of diplopore copper lug 5 of the present utility model, is inserted with pitman 8.By 8 pairs of clamps that have been connected on earthing conductor of pitman, be guided out an earth terminal, by connecting earth rod, the more ground connection guiding of can connecting.The earth terminal simultaneously guiding can be applied to the test of ground path, and during test, ,Zhi Xujiang test side is connected on earth terminal.
In order to optimize the connected mode of pitman, pitman 8 comprises attachment screw 6, retainer ring 7, the hollow adapter sleeve connecting successively, and attachment screw is plugged in through hole B.
Retainer ring comprises that ring set and the copper being arranged in ring set connect son, and wherein attachment screw and copper connect sub-connection, and ring set is connected with hollow adapter sleeve.It is the copper ring of hollow that copper connects son, and its copper connects sub aperture surface groove is set, and facilitates fixed-direction, prevents from rotating the link inserting in copper ring.
In described hollow adapter sleeve, be inserted with connection metal rod, its connection metal rod connects sub-connection with copper.Connection metal rod connects after sub-connection with copper, can conduct electricity and connect son, conducts electricity to attachment screw again, conducts electricity to diplopore copper lug 5 to copper, finally by tong bodies, conducts electricity into ground.
The utility model is not transformed and is processed existing 10kV earth connection, develop separately a set of combination earthing tool, the mode that makes earth connection tail end ground connection adopt conventional drill rod ground connection and clamp ground connection and deposit, thereby the reliable ground of 10kV earth connection tail end in the time of effectively guaranteeing working earthing, in same district or place when work, several groups of earth connections can adopt an earth terminal jointly, effectively reduce the time that safety measure is arranged, raise labour productivity, the personal safety while ensureing circuit construction operation in city.
During the utility model application, if construction point has Soft Soil Layer, being beneficial to drill rod inserts low, tong bodies is clamped on drill rod and can be grounded, compare traditional ground connection, because a drill rod can only connect an earth connection, earth connection is beneficial to a copper lug and is connected on drill rod, therefore the number of earth connection has determined the number of drill rod, while therefore constructing, the engineering time of inserting drill rod is longer, and the utility model, only a plurality of tong bodies need to be clamped in simultaneously on a drill rod, needn't insert too much drill rod like this, easy to operate, save time and manpower that people insert drill rod.In addition, if construction point can not find Soft Soil Layer, so, finding ground stud as shown in Figure 1, there is 1 earthing conductor in this ground stud, now due to the small volume of earthing conductor, therefore in this Fig. 1, can only connect a tong bodies, construction is in order to solve a plurality of earth connections, to draw the problem on access ground so, and the serial connection that adopts pitman 8 to carry out tong bodies enters ground, the connection metal rod of pitman 8 draws the tong bodies that connects other as earth terminal, make tong bodies clamp connection metal rod.
Ground connection extended line length between tong bodies is more than or equal to 5m; Tong bodies is 0.79m Ω/rice with the contact resistance of the metallic conductor that is fixed; Ground connection extended line cross section: 25 square millimeters, earth connection adopts the protection of transparent insulation sheath; Environment for use: in length range, under any place.
Compared with short distance and joint use in situation, can accomplish that many group earth connections share an earth terminal, high-low pressure earth connection shares earth terminals, reduce ground connection drill rod insertion, extract labour intensity, effectively raise labour efficiency.
As mentioned above, can well realize the utility model.
Claims (6)
1. the multifunctional grounded folder that is applied to earth connection, is characterized in that: comprise tong bodies (3), tong bodies (3) has internal thread hole, is provided with screw in internal thread hole; Also comprise the diplopore copper lug (5) with through hole A and through hole B, diplopore copper lug (5) connects earth connection by terminals, and diplopore copper lug (5) is sleeved on the outer diametric plane of screw by through hole A.
2. the multifunctional grounded folder that is applied to earth connection according to claim 1, is characterized in that: in the through hole B of diplopore copper lug (5), be inserted with pitman (8).
3. the multifunctional grounded folder that is applied to earth connection according to claim 2, is characterized in that: pitman (8) comprises attachment screw, retainer ring, the hollow adapter sleeve connecting successively, and attachment screw is plugged in through hole B.
4. the multifunctional grounded folder that is applied to earth connection according to claim 3, is characterized in that: retainer ring comprises that ring set and the copper being arranged in ring set connect son, and wherein attachment screw and copper connect sub-connection, and ring set is connected with hollow adapter sleeve.
5. the multifunctional grounded folder that is applied to earth connection according to claim 4, is characterized in that: in described hollow adapter sleeve, be inserted with connection metal rod, its connection metal rod connects sub-connection with copper.
6. according to the multifunctional grounded folder that is applied to earth connection described in claim 4 or 5, it is characterized in that: it is the copper ring of hollow that copper connects son, and its copper connects sub aperture surface groove is set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320355657.0U CN203398348U (en) | 2013-06-20 | 2013-06-20 | Multifunctional grounding clamp applying to ground wire |
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Application Number | Priority Date | Filing Date | Title |
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CN201320355657.0U CN203398348U (en) | 2013-06-20 | 2013-06-20 | Multifunctional grounding clamp applying to ground wire |
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CN203398348U true CN203398348U (en) | 2014-01-15 |
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CN201320355657.0U Expired - Lifetime CN203398348U (en) | 2013-06-20 | 2013-06-20 | Multifunctional grounding clamp applying to ground wire |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241888A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Multifunctional earth clamp |
-
2013
- 2013-06-20 CN CN201320355657.0U patent/CN203398348U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241888A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Multifunctional earth clamp |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140115 |
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CX01 | Expiry of patent term |