CN105226413A - Grounding wire device and earth connection chuck thereof - Google Patents
Grounding wire device and earth connection chuck thereof Download PDFInfo
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- CN105226413A CN105226413A CN201510707378.XA CN201510707378A CN105226413A CN 105226413 A CN105226413 A CN 105226413A CN 201510707378 A CN201510707378 A CN 201510707378A CN 105226413 A CN105226413 A CN 105226413A
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- chuck
- nail
- earth connection
- upper plate
- dog holes
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Abstract
The invention discloses a kind of earth connection chuck, comprise chuck upper plate, chuck lower plate and for making the clamping element of board clamping under chuck upper plate and chuck, chuck upper plate is provided with dog holes, be provided with the nail that several can move axially in dog holes in dog holes, the end of nail is provided with the screens portion preventing nail from shifting out.Earth connection chuck provided by the invention is in phase clamping process, be arranged at the extruding that the nail that chuck upper plate can move axially is subject to gripped object to move up, the nail that part is not squeezed still keeps nature suspension status to be arranged in dog holes, due to the radial location effect of dog holes, nail keeps radial position constant.It is fixing that gripped object and nail keep transversely, reaches the object preventing earth connection chuck and gripped object slippage.The invention also discloses a kind of grounding wire device comprising above-mentioned earth connection chuck, the effect that grips of grounding wire device improves, and ensure that fail safe and the convenience of use.
Description
Technical field
The present invention relates to electric power project engineering field, more particularly, relate to a kind of earth connection chuck.In addition, the invention still further relates to a kind of grounding wire device comprising above-mentioned earth connection chuck.
Background technology
In power equipment maintenance work, in order to prevent voltage flip-flop to the injury of personnel and electric equipment, usually earth connection is set on power equipment.Earth connection mainly comprises conductor end, copper conductor, earth terminal and action bars.
Along with the quickening of power grid construction speed, the requirement of power supply reliability is also being improved constantly, to the attended operation of power equipment therebetween, needing earth wire to carry out installation and removal work.Under normal circumstances, the conductor end of earth connection does not install reliable equipment additional, and the installation of conductor end of earth wire only relies on the feel of operating personnel to judge to install elasticity.But, this mode itself is also unreliable, loose contact can be caused even to come off, threaten the person and device security, especially the chuck of conductor end, due to when using action bars to carry out degree of tightness adjustment to chuck, may make to produce relative sliding between chuck and busbar, more likely make busbar depart from chuck, increase the degree of danger of operation to a certain extent.
In sum, how improving the stable connection degree of earth connection, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the object of this invention is to provide a kind of earth connection chuck, this earth connection chuck and busbar fixing-stable, not easily slippage.Another object of the present invention is to provide a kind of earth connection comprising above-mentioned earth connection chuck, the fixing-stable of this earth connection, use safety.
To achieve these goals, the invention provides following technical scheme:
A kind of earth connection chuck, comprise chuck upper plate, chuck lower plate and for making the clamping element of board clamping under described chuck upper plate and described chuck, described chuck upper plate is provided with several central shafts and arranges dog holes along clamping direction, be provided with the nail that can move axially in described dog holes in described dog holes, the end of described nail is provided with the screens portion preventing described nail from shifting out.
Preferably, described chuck upper plate is provided with the described dog holes of two rows, and described dog holes is arranged on the edge of described chuck upper plate.
Preferably, described chuck upper plate is provided with the described dog holes of many rows.
Preferably, described dog holes is the larger bellmouth in aperture, upper end, and described nail is taper nail, and one end larger in described nail is arranged on the upper surface of described chuck upper plate.
Preferably, described chuck lower plate is provided with the limited impression moved radially for nail described in clamping limit, described limited impression is corresponding with described nail position.
Preferably, the top and bottom of described nail are provided with dismountable ailhead, and the lower end of described dog holes is provided with the groove for making described ailhead embed described chuck upper plate completely.
Preferably, the centre-to-centre spacing scope of adjacent described dog holes is 10 to 14 millimeters, comprises 10 millimeters and 14 millimeters.
Preferably, the length range of described nail is 5 to 10 millimeters, comprises 5 millimeters and 10 millimeters; The diameter range of described nail is 3 to 4.5 millimeters, comprises 3 millimeters and 4.5 millimeters.
Preferably, described nail is aluminium alloy nail.
A kind of grounding wire device, comprise action bars and earth connection chuck, described earth connection chuck is the earth connection chuck described in above-mentioned any one.
Earth connection chuck provided by the invention comprises chuck upper plate and chuck lower plate, in the process of the two rotatable or moveable phase clamping, be arranged at the extruding that the nail that chuck upper plate can move axially is subject to gripped object to move up, the nail that part is not squeezed still keeps nature suspension status to be arranged in dog holes, due to the radial location effect of dog holes, nail keeps radial position constant.It is fixing that gripped object and the second nail keep transversely, when gripped object is about to the transverse shifting with chuck upper plate occurs by external force, the second nail keeps the invariant position of gripped object in the horizontal, reaches the object preventing earth connection chuck and gripped object from producing slippage.
Present invention also offers a kind of grounding wire device comprising above-mentioned earth connection chuck, this grounding wire device is owing to employing above-mentioned earth connection chuck, with the fixing-stable of gripped object and conductor or busbar, avoid relative slippage therebetween, the effect that grips of grounding wire device is improved, and ensure that fail safe and the convenience of use.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the axonometric drawing of earth connection chuck specific embodiment provided by the present invention;
Fig. 2 is the front view of earth connection chuck specific embodiment provided by the present invention.
In Fig. 1 and Fig. 2: 1 is chuck upper plate, 2 is chuck lower plate, and 3 is turning arm, and 4 is nail.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Core of the present invention is to provide a kind of earth connection chuck, this earth connection chuck and busbar fixing-stable, not easily slippage.Another core of the present invention is to provide a kind of earth connection comprising above-mentioned earth connection chuck, the fixing-stable of this earth connection, use safety.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the axonometric drawing of earth connection chuck specific embodiment provided by the present invention; Fig. 2 is the front view of earth connection chuck specific embodiment provided by the present invention.
A kind of earth connection chuck provided by the present invention, be mainly used in being fixedly connected with the conductor part of power equipment and ground connecting device, Structure composing mainly comprises chuck upper plate 1, chuck lower plate 2 and the clamping element for making chuck upper plate 1 and chuck lower plate 2 clamp, wherein, clamping element can be various structures and form.Chuck upper plate 1 is provided with several dog holeses, and the central shaft of dog holes is along the clamping direction of chuck upper plate 1 and chuck lower plate 2, and be provided with the nail 4 that can move axially in dog holes in dog holes, the end of nail 4 is provided with the screens portion preventing nail 4 from shifting out.Needs should be mentioned that, in the use procedure of above-mentioned earth connection chuck, need ensure that chuck upper plate 1 is positioned on chuck lower plate 2, namely need to ensure that nail 4 is between chuck upper plate 1 and chuck lower plate 2 naturally, the extruding only because being subject to gripped object just can be moved in dog holes.
Needs should be mentioned that, the clamping mode of chuck upper plate 1 and chuck lower plate 2 can have multiple, wherein one be arranged in parallel for chuck upper plate 1 and chuck lower plate 2, a bolt head is connected with below chuck lower plate 2, the screw thread of bolt head is threaded with the kink of chuck upper plate 1, and the other end of bolt head is connected with the action bars for realizing controlling.When action bars rotates and drives bolt head to rotate propelling in kink, chuck lower plate 2 can be made to move relative to chuck upper plate 1, formed with the clamping of chuck upper plate 1 and unclamp.Another mode is the clamping that chuck upper plate 1 and chuck lower plate 2 form duck-beak type, chuck lower plate 2 rotationally with chuck upper plate 1 clamping, wherein rotation process drives chuck lower plate 2 to realize by turning arm 3 by modes such as screw rods, specifically arrange structure with reference to existing design, to repeat no more herein.No matter use which kind of clamping mode above-mentioned, namely belong in the scope that the present invention protects as long as comprise above-mentioned moveable nail 4.
The earth connection chuck that the present embodiment provides comprises chuck upper plate 1 and chuck lower plate 2, in the process of the two rotatable or moveable phase clamping, be arranged at the extruding that a part of nail 4 that chuck upper plate 1 can move axially may be subject to gripped object to move up, the nail 4 that another part is not squeezed still keeps nature suspension status to be arranged in dog holes, due to the radial effect of dog holes, nail 4 keeps radial position constant.It is fixing that gripped object and the second nail 4 keep transversely, when gripped object is about to the transverse shifting with chuck upper plate 1 occurs by external force, the second nail 4 keeps the invariant position of gripped object in the horizontal, reaches the slippage preventing earth connection chuck and gripped object.
It should be noted that, the number of several dog holeses above-mentioned does not specifically limit, and the arrangement mode of dog holes also can adjust according to concrete service condition, can know, in order to be applicable to the gripped object of more kinds of structure, the expansion scope that arranges of nail 4 and dog holes can tried one's best.
In an embodiment provided by the present invention, chuck upper plate 1 is provided with two row's dog holeses, and dog holes is arranged on the edge of chuck upper plate 1.Two row's dog holeses are arranged along the length direction of chuck upper plate 1 or Width, certainly, also can arrange along the direction with certain angle, concrete arrange angle and can adjust according to service condition.
In an embodiment provided by the present invention, chuck upper plate 1 is provided with arranges dog holes more, arranges many row's dog holeses and namely can expand nail 4 sphere of action in the horizontal direction.
In addition, dog holes is the larger bellmouth in aperture, upper end, and nail 4 is taper nail, and one end larger in nail 4 is arranged on the upper surface of chuck upper plate 1.Can know and dog holes and nail 4 be set to taper, nail 4 can be made not easily to come off from dog holes on the one hand, on the other hand, after the nail 4 that upper end axle journal is larger is subject to the extruding of gripped object, more easily move up, thus avoid the obstruction occurred because occurring to rub with dog holes after nail 4 is squeezed.
Mention in each embodiment above-mentioned and realize horizontal location by nail 4 pairs of gripped objects, gripped object is completely fixed, although nail 4 is undertaken spacing by dog holes in the horizontal, but nail 4 lower end is not located reliably.In one particular embodiment of the present invention, can be fixed nail 4 in the lower end of nail 4.Such as, limited impression can be set in chuck lower plate 2, for when chuck upper plate 1 and chuck lower plate 2 clamp, make the lower end of nail 4 enter above-mentioned limited impression, thus limit moving radially of nail 4, namely transverse shifting.
Particularly, limited impression and nail 4 position are corresponding up and down setting.By arranging the limited impression corresponding with dog holes in chuck lower plate 2, being formed the laterally fixing reinforcing of nail 4, making fixing of gripped object more reliable.
What the end of nail 4 was arranged can be various structures form for the screens portion preventing nail 4 from departing from dog holes, wherein in the comparatively reliable mode of one, the top and bottom of nail 4 are provided with ailhead, and the lower end of dog holes is provided with the groove for holding ailhead completely.By arranging ailhead in the top and the bottom of nail 4, can prevent nail 4 from above and below either direction depart from chuck upper plate 1, ensure nail 4 use convenience.But in order to make nail 4 can be deep in dog holes, at least one ailhead needs to be connected for dismountable form with nail 4.Further, in order to make nail 4 can not form longitudinal interference to gripped object after the extruding being subject to gripped object, groove being set in the lower end of dog holes, for holding the ailhead being extruded movement, and ailhead being embedded in groove completely.
According to the earth connection chuck that above-described embodiment provides, the concrete structure of nail 4 can have multiple.One is provided comparatively to commonly use below and reliable set-up mode.
In a specific embodiment, dog holes is arranged according to the length direction of chuck upper plate 1, and arranges two rows along this length direction, and two amounts of draining are near the edge of chuck upper plate 1.The pitch-row scope of adjacent dog holes is 10 to 14 millimeters, comprises 10 millimeters and 14 millimeters, is preferably 10 millimeters.
The length range of nail 4 is 5 to 10 millimeters, comprises 5 millimeters and 10 millimeters; The diameter range of nail 4 is 3 to 4.5 millimeters, comprises 3 millimeters and 4.5 millimeters.
In above-described embodiment, nail 4 to arrange tightness degree moderate, can, saving material and simplifying on the basis of mounting means, make the installation of conductor and busbar more stable.Earth connection chuck provided by the present invention need not change the structure of action bars, and maintains good operational stability and connectivity.
Optionally, the above-mentioned size mentioned and arrange distance and be one preferred embodiment, on the basis meeting said structure feature, the design of any size all should belong in the scope that the present invention protects.
Optionally, above-mentioned nail 4 can be specially aluminium alloy nail, and this material is comparatively firm, and what can ensure in the horizontal is spacing and fixing.
Except the earth connection chuck that above-described embodiment provides, the present invention also provides one to comprise grounding wire device disclosed in above-described embodiment, this grounding wire device comprises the chuck of conductor end, the chuck of earth terminal, action bars and connection wire, wherein the chuck of conductor end and the chuck of earth terminal all can adopt above-mentioned earth connection chuck, owing to have employed above-mentioned earth connection chuck, improve the connective stability of grounding wire device and busbar.The structure of other each several parts of this grounding wire device please refer to prior art, repeats no more herein.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Above grounding wire device provided by the present invention and earth connection chuck thereof are described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (10)
1. an earth connection chuck, comprise chuck upper plate (1), chuck lower plate (2) and the clamping element for making described chuck upper plate (1) and described chuck lower plate (2) clamp, it is characterized in that, described chuck upper plate (1) is provided with the dog holes that several central shafts are arranged along clamping direction, be provided with the nail (4) that can move axially in described dog holes in described dog holes, the end of described nail (4) is provided with the screens portion preventing described nail (4) from shifting out.
2. earth connection chuck according to claim 1, is characterized in that, described chuck upper plate (1) is provided with the described dog holes of two rows, and described dog holes is arranged on the edge of described chuck upper plate (1).
3. earth connection chuck according to claim 1, is characterized in that, described chuck upper plate (1) is provided with the described dog holes of many rows.
4. earth connection chuck according to claim 1, it is characterized in that, described dog holes is the larger bellmouth in aperture, upper end, and described nail (4) is taper nail, and in described nail (4), larger one end is arranged on the upper surface of described chuck upper plate (1).
5. the earth connection chuck according to Claims 1-4 any one, it is characterized in that, described chuck lower plate (2) is provided with the limited impression moved radially for nail (4) described in clamping limit, described limited impression is corresponding with described nail (4) position.
6. earth connection chuck according to claim 5, it is characterized in that, the top and bottom of described nail (4) are provided with dismountable ailhead, and the lower end of described dog holes is provided with the groove for making described ailhead embed described chuck upper plate (1) completely.
7. earth connection chuck according to claim 6, is characterized in that, the centre-to-centre spacing scope of adjacent described dog holes is 10 to 14 millimeters, comprises 10 millimeters and 14 millimeters.
8. earth connection chuck according to claim 7, is characterized in that, the length range of described nail (4) is 5 to 10 millimeters, comprises 5 millimeters and 10 millimeters; The diameter range of described nail (4) is 3 to 4.5 millimeters, comprises 3 millimeters and 4.5 millimeters.
9. earth connection chuck according to claim 8, is characterized in that, described nail (4) is aluminium alloy nail.
10. a grounding wire device, comprises action bars and earth connection chuck, it is characterized in that, described earth connection chuck is the earth connection chuck described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707378.XA CN105226413B (en) | 2015-10-27 | 2015-10-27 | Grounding wire device and its ground wire chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707378.XA CN105226413B (en) | 2015-10-27 | 2015-10-27 | Grounding wire device and its ground wire chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105226413A true CN105226413A (en) | 2016-01-06 |
| CN105226413B CN105226413B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510707378.XA Active CN105226413B (en) | 2015-10-27 | 2015-10-27 | Grounding wire device and its ground wire chuck |
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| Country | Link |
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| CN (1) | CN105226413B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004235045A (en) * | 2003-01-31 | 2004-08-19 | Tohoku Electric Power Co Inc | Coating penetration clamp |
| WO2006074140A1 (en) * | 2005-01-04 | 2006-07-13 | Cooper Technologies Company | Grounding clamp apparatus and method |
| CN203839535U (en) * | 2014-05-16 | 2014-09-17 | 李涛涛 | Steerable grounding bar for power maintenance |
| CN204144481U (en) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | A kind of earth connection with clamp pressure indicator light connects electricity folder |
| CN204558684U (en) * | 2015-04-29 | 2015-08-12 | 国家电网公司 | A kind of device of the mounting ground hook that do not come off |
| CN205039279U (en) * | 2015-10-27 | 2016-02-17 | 国网浙江杭州市富阳区供电公司 | Meet ground wire device and earth connection chuck thereof |
-
2015
- 2015-10-27 CN CN201510707378.XA patent/CN105226413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004235045A (en) * | 2003-01-31 | 2004-08-19 | Tohoku Electric Power Co Inc | Coating penetration clamp |
| WO2006074140A1 (en) * | 2005-01-04 | 2006-07-13 | Cooper Technologies Company | Grounding clamp apparatus and method |
| CN203839535U (en) * | 2014-05-16 | 2014-09-17 | 李涛涛 | Steerable grounding bar for power maintenance |
| CN204144481U (en) * | 2014-09-19 | 2015-02-04 | 国家电网公司 | A kind of earth connection with clamp pressure indicator light connects electricity folder |
| CN204558684U (en) * | 2015-04-29 | 2015-08-12 | 国家电网公司 | A kind of device of the mounting ground hook that do not come off |
| CN205039279U (en) * | 2015-10-27 | 2016-02-17 | 国网浙江杭州市富阳区供电公司 | Meet ground wire device and earth connection chuck thereof |
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| Publication number | Publication date |
|---|---|
| CN105226413B (en) | 2018-01-19 |
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