CN210489865U - Continuing lightning protection grounding wire clamp - Google Patents
Continuing lightning protection grounding wire clamp Download PDFInfo
- Publication number
- CN210489865U CN210489865U CN201921363419.8U CN201921363419U CN210489865U CN 210489865 U CN210489865 U CN 210489865U CN 201921363419 U CN201921363419 U CN 201921363419U CN 210489865 U CN210489865 U CN 210489865U
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- China
- Prior art keywords
- fixed
- lightning protection
- wire clamp
- lower plate
- splicing
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- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model relates to an earth clamp technical field, concretely relates to lightning protection earth clamp continues. The specific technical scheme is as follows: the utility model provides a lightning grounding fastener continues, includes the ground loop, sets up the arc arm and the earthing rod of setting in ground loop bottom center department of ground loop downside angle, department is provided with movable post in the middle of the top of ground loop, movable post rotates and is connected with the spliced pole, the top of spliced pole is fixed with the lower plate, the lower plate top be provided with lower plate matched with punch holder, the wire casing that corresponds about the middle part of punch holder and lower plate is seted up, the wire casing internal fixation has a plurality of spring leaf, the top of spring leaf is fixed with the arc. The utility model provides an among the prior art earth clamp round the cable rotation to the problem of cable top insulating layer destruction is strengthened.
Description
Technical Field
The utility model relates to an earth clamp technical field, concretely relates to lightning protection earth clamp continues.
Background
In an electric power system, the phenomenon that an insulated cable is broken by lightning stroke happens occasionally, when direct lightning or inductive lightning overvoltage firstly breaks down the insulating layer of the insulated cable, and then because of insulator flashover, the broken insulating layer is in a pinhole shape, continuous frequency short current electric arc is obstructed by surrounding insulation, an arc root can only burn at the pinhole, the insulated cable can be orderly burnt out in a very short time, and therefore the disconnection of a power grid is caused, and the normal work of the power transmission grid is influenced.
In order to avoid the condition emergence of thunderbolt broken string, generally all install the lightning protection gold utensil on insulated cable, however, when meetting unexpected bad weather environment such as strong wind, the windage of installing on the cable is big than the cable receives, consequently, when self receives wind-force influence to drive the swing of cable, the earth clamp just can rotate round the cable, thereby strengthen the destruction to cable top layer insulating layer, in the long run, not only make earth clamp and cable position take place to remove, still can take place the earth clamp and sway around the cable along with wind, increase the condition such as cable amplitude and frequency of swaying. Therefore, a new continuous lightning grounding wire clamp is urgently needed.
Disclosure of Invention
Not enough to prior art, the utility model provides a lightning protection earth clamp continues has solved prior art in the earth clamp round the cable rotation to the problem of cable top insulating layer destruction is strengthened.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a lightning grounding fastener continues, includes the ground loop, sets up the arc arm and the earthing rod of setting in ground loop bottom center department of ground loop downside angle, department is provided with movable post in the middle of the top of ground loop, movable post rotates and is connected with the spliced pole, the top of spliced pole is fixed with the lower plate, the lower plate top be provided with lower plate matched with punch holder, the wire casing that corresponds about the middle part of punch holder and lower plate is seted up, the wire casing internal fixation has a plurality of spring leaf, the top of spring leaf is fixed with the arc.
Preferably, the upper clamping plate and the lower clamping plate are fixed through a plurality of bolts.
Preferably, a T-shaped groove is formed in the center of the bottom of the connecting column, a gear is arranged at the top of the movable column, and the gear and the movable column are matched with the T-shaped groove.
Preferably, a plurality of grooves are equidistantly arranged in the circumferential direction of the transverse part of the T-shaped groove, a spring is fixed in each groove, a triangular prism is fixed at the other end of each spring, and the direction of each triangular prism is the same; the gear teeth of the gear correspond to the gaps between two adjacent triangular prisms respectively.
Preferably, the upper splint and the lower splint are sleeved with protective shells.
Preferably, the protective shell comprises an upper cover and a lower cover detachably connected with the upper cover.
Preferably, the bottom of the lower cover is provided with a U-shaped groove with a right opening, and the width of the U-shaped groove is larger than or equal to the diameter of the connecting column.
Preferably, the cover edges of the upper cover and the lower cover which are adjacent to each other are provided with corresponding limiting grooves, and the size of the combined limiting grooves is larger than or equal to the size of the combined slots.
The utility model discloses possess following beneficial effect:
the utility model discloses a set up the arc in the online inslot, be connected through the spring leaf between arc and the upper and lower splint, at the in-process of fixed ground clamp, can cause certain extrusion to the cable, increased the frictional force between ground clamp and the cable, under the condition that does not damage the cable, better fixes the cable. In addition, for nimble ground ring on the use earth clamp, set the ground ring into with lower plate rotatable coupling, set up a plurality of recesses promptly in the axial of the horizontal portion of T-slot, at the recess internal fixation spring to at the fixed triangular prism of the other end of spring, the teeth of a cogwheel of every gear corresponds with the space department of two adjacent triangular prisms, when the rotating gear, need rotate towards the direction on triangular prism inclined plane, thereby the angle between control ground ring and the lower plate, make the earth clamp use more in a flexible way.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
fig. 3 is a cross-sectional view of another perspective of the present invention;
FIG. 4 is a schematic view of a connection structure of a gear and a T-shaped groove (an arrow in the figure is a rotation direction of the gear);
FIG. 5 is a top view of the upper clamp plate;
FIG. 6 is a schematic view of a protective case;
fig. 7 is a schematic structural view of another embodiment of the present invention;
in the figure: the grounding device comprises a grounding ring 1, an arc striking arm 2, a grounding rod 3, a movable column 4, a connecting column 5, a lower clamping plate 6, an upper clamping plate 7, a wire groove 8, an arc-shaped plate 9, a spring piece 10, a bolt 11, a gear 12, a groove 13, a spring 14, a triangular prism 15, an upper cover 16, a lower cover 17, a U-shaped groove 18 and a limiting groove 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model discloses a lightning grounding fastener continues, including ground ring 1, set up at the striking arm 2 of ground ring 1 downside angle and set up the earthing rod 3 in ground ring 1 bottom center department, department is provided with movable post 4 in the middle of the top of ground ring 1, and the fixed gear 12 that is provided with in top of movable post 4, the T-slot has been seted up in the bottom center department of spliced pole 5, gear 12 and movable post 4 and T-slot looks adaptation. It should be understood that: the whole body formed by the gear 12 and the movable column 4 can rotate in the T-shaped groove, the position relation between the lower clamping plate 6 and the grounding ring 1 can be flexibly adjusted, and the movable column 4 and the connecting column 5 rotate in a single direction. The T-shaped groove is a cylindrical groove having a cylindrical upper portion and a cylindrical lower portion having a smaller radius than the cylindrical upper portion. Furthermore, the movable post 4, the connection 5 and the gear 12 are all of a conductive material.
Be fixed with lower plate 6 on the top of spliced pole 5, spliced pole 5 is fixed in the bottom center department of lower plate 6 promptly, and lower plate 6 top is provided with and lower plate 6 matched with punch holder 7, and the wire casing 8 that corresponds from top to bottom is seted up at the middle part of punch holder 7 and lower plate 6, and wire casing 8 internal fixation has a plurality of spring leaf 10, and the top of spring leaf 10 is fixed with arc 9, and the both ends of spring leaf 10 are fixed respectively on arc 9 and wire casing 8 promptly. It should be understood that: the arc-shaped plate 9 is made of metal material and has certain conductivity; the size, the shape of punch holder 7 and lower plate 6 are the same to be equipped with a plurality of screw on punch holder 7 and lower plate 6, make punch holder 7 and lower plate 6 accessible a plurality of bolt 11 fixed, the number of setting can according to actual need, the preferred 4 of this embodiment. In addition, it should be noted that: the circle centers of the arc-shaped plates 9 and the wire slot 8 are the same, and the direction of the arc-shaped plates and the wire slot 8 is the same, when the upper clamping plate 7 and the lower clamping plate 6 are combined and fixed, the two arc-shaped plates 9 can be combined to form a hole which is similar to a circle and through which a cable can pass; moreover, four limits of arc 9 are fixed with the rubber sheet that hardness is little, elasticity is big respectively, make arc 9 fix in wire casing 8 through the rubber sheet at edge, specifically do: the edge of the rubber sheet is fixed with the lower clamping plate 6 and the upper clamping plate 7, so that an arc-shaped cavity can be respectively formed between the upper clamping plate 7 and the arc-shaped plate 9 and between the lower clamping plate 6 and the arc-shaped plate 9, and the spring piece 10 can be fixed in the cavity. In the use process, in order to increase the frictional force between the arc 9 and the cable, can set up a plurality of arch (not shown in the figure) on the surface of arc 9 and in addition spring leaf 10 can exert an extrusion force to the cable, make two arcs 9 support the cable tightly for the cable can not slide in two wire casings 8, finally can not make the cable rotate for the earth clamp, can be fine fix the earth clamp on the cable, and can not harm the insulating layer on cable surface.
The utility model discloses another kind of embodiment does: referring to fig. 7, the spring plate 10 can be replaced by a thread spring, and both ends of the spring are respectively fixed on the line groove 8 and the arc plate 9, and can also play a role of pressing/resisting the cable.
In order to fix the grounding ring 1 and the lower clamping plate 6 after adjusting the positions, a plurality of grooves 13 are equidistantly arranged on the circumferential direction of the transverse part of the T-shaped groove, a spring 14 is fixed in each groove 13, a triangular prism 15 is fixed at the other end of each spring 14, and the orientation of each triangular prism 15 is the same. The teeth of the gear 12 correspond to the gaps between two adjacent triangular prisms 15. It should be noted that: here, the transverse portion is a groove in which the T-shaped groove is transverse, the groove 13 is provided in the circumferential direction in the groove, the spring 14 is provided in the groove 13 and faces the axis of the T-shaped groove, the other end of the spring 14 may be directly fixed to the bottom of the triangular prism 15, or a groove may be provided in the bottom of the triangular prism 15, so that the other end of the spring 14 is fixed in the groove. In addition, the gear teeth of the gear 12 correspond to the gaps between two adjacent triangular prisms 15, so that the gear 12 can be fixed, the gear 12 is prevented from rotating continuously, and the gear 12 can be fixed after rotating by the angle of one gear tooth at the minimum every time and rotates in a unidirectional manner; of course, the more the number of the triangular prism 15 and the teeth of the gear 12 is set, the smaller the minimum angle of rotation of the gear 12. In addition, in the assembling process, the connecting column 5 can be equally divided into two halves along the axis, after the triangular prism 15 and the spring 14 are assembled, the movable column 4 and the gear 12 are fixed and then placed in a groove formed in the half connecting column 5, and finally the two half connecting columns 5 are combined and welded to form a complete connecting column 5; there is another assembly mode, namely, the top end of the connecting column 5 is provided with a hole communicated with the T-shaped groove, the aperture of the hole is the same as the transverse part of the T-shaped groove, then the fixed movable column 4 and the gear 12 are inserted into the T-shaped groove, finally the connecting column 5 is fixed at the bottom of the lower clamping plate 6, and the grounding ring 1 is fixed at the bottom of the movable column 4. Of course, how to assemble the movable column 4 and the gear 12 with the connecting column 5 can be assembled according to a common assembling method, and is not limited to the above two methods.
Further, in order to prevent rainwater from wetting the upper clamping plate 7 and the lower clamping plate 6, a protective shell can be sleeved outside the upper clamping plate 7 and the lower clamping plate 6. The protective case includes an upper cover 16 and a lower cover 17 detachably connected to the upper cover 16. The bottom of the lower cover 17 is provided with a U-shaped groove 18 with a rightward opening, and the width of the U-shaped groove 18 is larger than or equal to the diameter of the connecting column 5. The adjacent cover edges of the upper cover 16 and the lower cover 17 are provided with corresponding limiting grooves 19, and the size of the combined two limiting grooves 19 is larger than or equal to the size of the combined two wire grooves 8. It should be noted that: the upper cover 16 and the lower cover 17 are respectively independent, the upper cover 16 and the lower cover 17 can be fixed through a lock catch, the limiting grooves 19 on the cover edges of the upper cover 16 and the lower cover 17 are combined to form a through hole through which a cable can pass, the connecting column 5 is clamped into the U-shaped groove 18, the lower cover 17 is fixed at the bottom of the lower clamping plate 6, and then the upper cover 16 is covered, so that the grounding wire clamp is protected.
The utility model discloses in, to the material of all spare parts of earth clamp according to conventional selection can, be the same with the material of current earth clamp.
When the utility model is used, the lower clamp plate 6 is placed below the cable, then the upper clamp plate 6 is placed above the lower clamp plate 7, the upper clamp plate 7 and the lower clamp plate 6 are fixed by the bolt 11 and the nut, and in the fixing process, the spring leaf 10 needs to be extruded to a certain extent on the surface of the cable, namely the cable needs to be compressed to the spring leaf 10, so that the cable can be more firmly fixed in the wire slot 8; then, aligning the U-shaped groove 18 on the lower cover 17 with the connecting column 5, clamping the connecting column 5 into the U-shaped groove, then placing the upper cover 16 on the lower cover 17, fixing the upper cover 16 and the lower cover 17 by using a lock catch, and enabling the cable to pass through a through hole formed by the two limiting grooves 19 at the moment, thereby finally completing the fixation of the grounding wire clamp and the cable. In order to adjust the angle between the grounding ring 1 and the lower clamping plate 6, only the grounding ring 1 needs to be rotated, and the rotating direction is rotated towards the direction of the inclined surface of the triangular prism 15.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a lightning grounding wire clamp continues, includes ground ring (1), sets up arc arm (2) and setting in ground ring (1) bottom center department earthing rod (3) of ground ring (1) downside angle, its characterized in that: department is provided with movable post (4) in the middle of the top of earthing ring (1), movable post (4) are rotated and are connected with spliced pole (5), the top of spliced pole (5) is fixed with lower plate (6), lower plate (6) top be provided with lower plate (6) matched with punch holder (7), wire casing (8) that correspond from top to bottom are seted up at the middle part of punch holder (7) and lower plate (6), wire casing (8) internal fixation has a plurality of spring leaf (10), the top of spring leaf (10) is fixed with arc (9).
2. The splicing lightning protection grounding wire clamp of claim 1, wherein: the upper clamping plate (7) and the lower clamping plate (6) are fixed through a plurality of bolts (11).
3. The splicing lightning protection grounding wire clamp of claim 1, wherein: the bottom center department of spliced pole (5) has seted up the T-slot, the top of activity post (4) is provided with gear (12), gear (12) and activity post (4) with T-slot looks adaptation.
4. The splicing lightning protection grounding clamp of claim 3, wherein: a plurality of grooves (13) are equidistantly arranged in the circumferential direction of the transverse part of the T-shaped groove, a spring (14) is fixed in each groove (13), a triangular prism (15) is fixed at the other end of each spring (14), and the directions of the triangular prisms (15) are the same; the gear teeth of the gear (12) correspond to gaps between two adjacent triangular prisms (15) respectively.
5. The splicing lightning protection grounding wire clamp of claim 1, wherein: and protective cases are sleeved outside the upper clamping plate (7) and the lower clamping plate (6).
6. The splicing lightning protection grounding wire clamp of claim 5, wherein: the protective shell comprises an upper cover (16) and a lower cover (17) detachably connected with the upper cover (16).
7. The splicing lightning protection grounding wire clamp of claim 6, wherein: the bottom of the lower cover (17) is provided with a U-shaped groove (18) with a right opening, and the width of the U-shaped groove (18) is larger than or equal to the diameter of the connecting column (5).
8. The splicing lightning protection grounding wire clamp of claim 6, wherein: the adjacent lid of upper cover (16) and lower cover (17) is equipped with corresponding spacing groove (19) on the limit, two size more than or equal to two after spacing groove (19) merge the size after wire casing (8) merge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363419.8U CN210489865U (en) | 2019-08-21 | 2019-08-21 | Continuing lightning protection grounding wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363419.8U CN210489865U (en) | 2019-08-21 | 2019-08-21 | Continuing lightning protection grounding wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210489865U true CN210489865U (en) | 2020-05-08 |
Family
ID=70536814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921363419.8U Expired - Fee Related CN210489865U (en) | 2019-08-21 | 2019-08-21 | Continuing lightning protection grounding wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210489865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171945A (en) * | 2021-12-08 | 2022-03-11 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity testing grounding ring without power outage |
-
2019
- 2019-08-21 CN CN201921363419.8U patent/CN210489865U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171945A (en) * | 2021-12-08 | 2022-03-11 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity testing grounding ring without power outage |
| CN114171945B (en) * | 2021-12-08 | 2023-05-16 | 云南电网有限责任公司临沧供电局 | Method for indirectly installing electricity-checking grounding ring without power failure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |