CN213278450U - Grounding clamp and suspension grounding wire device - Google Patents
Grounding clamp and suspension grounding wire device Download PDFInfo
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- CN213278450U CN213278450U CN202022795942.7U CN202022795942U CN213278450U CN 213278450 U CN213278450 U CN 213278450U CN 202022795942 U CN202022795942 U CN 202022795942U CN 213278450 U CN213278450 U CN 213278450U
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- 239000000725 suspension Substances 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 230000005611 electricity Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
The utility model discloses a grounding clip and a suspension grounding wire device, wherein the grounding clip comprises a left clamping plate and a right clamping plate, the two clamping plates are connected by a hinged shaft, the hinged shaft is used as a boundary, the two clamping plates are divided into an upper force application area and a lower clamping area, the hinged shaft is sleeved with a torsion spring, two force arms of the torsion spring are respectively connected with the force application areas of the two clamping plates, the two clamping plates are provided with a limiting fixture block between the clamping areas, one end of the limiting fixture block is hinged with one of the clamping plates, and the other end of the limiting fixture block passes through an opening of the other clamping plate; the other end of the limiting clamping block is also provided with a clamping part, and the clamping part is matched with the opening edge of the other clamping plate in a clamping manner. The utility model discloses can realize through complete mechanical mechanism that ground connection presss from both sides the holding of open mode, do not exist by the phenomenon that the electric shock of response electricity and damaged, guarantee the practical application effect.
Description
Technical Field
The utility model relates to a technical field is maintained in the operation of transmission line stringing construction and later stage, concretely relates to ground connection presss from both sides and hangs earth connection device.
Background
In the construction of power transmission line stringing and later operation and maintenance, the hanging of the ground wire is an indispensable process. The ground wire is mainly used in the crossing construction and the line stringing stage of the electric power stringing construction. (1) During the stringing construction, the spread lead inevitably spans a live line, strong induced electricity is generated on the spread lead, at the moment, the spread lead is required to be hung with a ground wire, the induced electricity is eliminated, and the safety of later-stage accessory installation constructors is ensured; (2) when some important power lines are crossed, the crossed lines need to be powered off, however, induced electricity still exists on the lines after the power failure, and induced electricity can be generated on the spreading wires, so that the lines which are powered off need to be hung on the ground, and the induced electricity is eliminated. (3) When the circuit overhauls the maintenance construction, need carry out the back operation that has a power failure to the operation circuit, nevertheless still have very big static on the back circuit that has a power failure, the maintainer need carry out ground connection to the maintenance circuit, just can the safety inspection after the static of release.
Therefore, the earth wire hanging is an important link of safety construction in electric power stringing construction, crossing construction and electric power line maintenance operation, at present, earth wire hanging operation is carried out manually by high-altitude operators who carry copper grounding clamps to cross arms, the weight of each earth wire clamp is about 3-4kg, the length is 6-8m, three earth wires are required to be carried by a single circuit and is about 12kg, six earth wires are required to be carried by a double circuit and is about 24kg, the weight is heavier, physical power consumption of the high-altitude operators is large, the construction difficulty is high, about 45 minutes is required for completing the first-level iron tower grounding, the efficiency is low, and the labor intensity is high. In addition, when the ground wire is hung, an operator holds the ground wire clamp to clamp a conducting wire or an iron tower grounding electrode in a hand, and the field ground wire hanging personnel are often subjected to induced electric shock due to high induced voltage, so that great potential safety hazards exist.
In addition, one end of the existing ground clamp is a plate-type clamp compressed by a threaded rod connected with the cross arm angle steel, and the other end of the existing ground clamp is a duckbilled compression-type clamp. This results in the ground clamp having to be manually operated and not being suitable for remote operation.
The invention of publication No. CN111541062A discloses a high-voltage grounding clamp, which comprises a clamping plate group used for clamping a high-voltage transmission line, wherein the clamping plate group comprises a clamping plate A and a clamping plate B which are mutually independent and symmetrically arranged, the clamping plate A is provided with a first cambered surface used for being matched with the high-voltage transmission line, the clamping plate B is provided with a second cambered surface symmetrical to the first cambered surface, a translation device is arranged between the clamping plate A and the clamping plate B, and the clamping plate A and the clamping plate B translate relatively under the action of the translation device. The utility model discloses can be very convenient carry out reliable connection with high tension transmission line. The utility model discloses an electronic drive arrangement realizes pressing from both sides tightly and loosening high tension transmission line. The field operation personnel with unmanned aerial vehicle with the utility model discloses articulate back operation unmanned aerial vehicle and handheld remote controller and realize being connected of earth connection and high tension transmission line or take the operation, convenient operation, it is efficient, on this process need not climb the electric power tower moreover, improved field operation's security, guaranteed operation personnel's personal safety.
The technical scheme is suitable for remote operation through structural improvement on the grounding clip, but in order to realize the opening or closing of the grounding clip, a driving assembly is integrated on the grounding clip, and the driving assembly comprises a motor and the like. And the ground clip has strong induced electricity in the suitable place, and the electric and electronic control components such as the motor and the like are easily damaged by the induced electricity, so that the practical application is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ground connection presss from both sides and hangs earth connection device.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a grounding clamp comprises a left clamping plate and a right clamping plate, wherein the two clamping plates are connected by a hinge shaft, the hinge shaft is used as a boundary, the two clamping plates are divided into an upper force application area and a lower clamping area, a torsion spring is sleeved on the hinge shaft, two force arms of the torsion spring are respectively connected with the force application areas of the two clamping plates, a limiting clamping block is arranged between the clamping areas of the two clamping plates, one end of the limiting clamping block is hinged with one clamping plate, and the other end of the limiting clamping block penetrates through an opening of the other clamping plate;
the other end of the limiting clamping block is also provided with a clamping part, and the clamping part is clamped and matched with the opening edge of the other clamping plate;
when the grounding clamp is in a closed state, the two clamping plates are close to each other in the clamping area, and the other end of the limiting clamping block penetrates through a middle opening of the other clamping plate;
when the grounding clamp is in an open state, the two clamping plates are mutually separated in the clamping area, and the limiting clamping block is clamped on the opening edge of the other clamping plate by the clamping part, so that the open state of the grounding clamp is maintained.
The two clamping plates are respectively connected with guide plates at the opening of the clamping area downwards, and the two guide plates are symmetrically bent outwards to form guide nozzles for the two guide plate parts.
The two clamping plates are respectively connected with the articulated shaft through a supporting frame.
And the other end of the limiting clamping block is provided with a notch to form a clamping part.
The opening is positioned in the middle of the corresponding clamping plate.
The utility model also discloses a suspension grounding wire device, which comprises two grounding clamps, namely a cross arm angle steel grounding clamp positioned above and a wire grounding clamp positioned below;
the clamping area of the cross arm angle steel grounding clamp is opened downwards, the force application area of the cross arm angle steel grounding clamp is connected with an upper insulating support rod extending downwards, and a grounding wire hook is arranged on the upper insulating support rod; the opening of the clamping area of the wire grounding clamp is downward, the force application area of the wire grounding clamp is connected with a lower insulating support rod which extends upward, and the upper insulating support rod and the lower insulating support rod are connected through an insulating rope;
the cross arm angle steel grounding clamp and the wire grounding clamp are connected through a grounding wire, and the grounding wire is arranged along the upper insulating support rod and the lower insulating support rod respectively.
The upper insulating support rod is of an inverted L-shaped structure.
The ground wire hook is a barb type hook.
The utility model has the advantages that:
1. the utility model provides a ground connection presss from both sides can realize through mechanical mechanism completely that ground connection presss from both sides the holding of open mode, does not exist by the phenomenon that the electric shock of response electricity and damaged, guarantees the practical application effect.
The utility model discloses a ground connection presss from both sides and forms the direction mouth downwards at the centre gripping district opening part, plays the guide effect of taking one's place, and great aperture is convenient for unmanned aerial vehicle and hangs copper ground connection and presss from both sides.
When unmanned aerial vehicle hangs the installation, the ground connection clamp is in the open mode, lifts by crane when installation at wire or cross arm angle steel touching spacing fixture block, and the splint are closed rapidly under torsion spring's effect and step up about, realizes wire and angle steel centre gripping, accomplishes the installation of earth connection.
2. The utility model also provides a hang earth connection device, the ground connection clamp is equipped with two, presss from both sides and is located the wire ground connection of below for the cross arm angle steel ground connection that is located the top respectively, connects through the earth connection between cross arm angle steel ground connection clamp and the wire ground connection clamp, realizes the release of response electricity.
The clamping area of the cross arm angle steel grounding clamp is opened downwards, the force application area of the cross arm angle steel grounding clamp is connected with an upper insulating support rod extending downwards, and a grounding wire hook is arranged on the upper insulating support rod; the opening of the clamping area of the wire grounding clamp is downward, the force application area of the wire grounding clamp is upward connected with a lower insulating support rod which extends upward, the upper insulating support rod and the lower insulating support rod are connected through an insulating rope, and meanwhile, the grounding wire is arranged along the insulating support rod and the lower insulating support rod respectively.
Drawings
Fig. 1 is a schematic view of a grounding clip in a closed state according to a first embodiment of the present invention;
fig. 2 is a schematic view of a grounding clip in a closed state according to a first embodiment of the present invention;
fig. 3 is a schematic view of a suspension ground wire device according to a second embodiment of the present invention;
fig. 4 is a schematic view showing a closed state of a wire clamp of a suspension ground wire device according to a second embodiment of the present invention;
fig. 5 is a schematic view showing an opened state of a wire clamp of the ground wire suspension device according to the second embodiment of the present invention;
fig. 6 is a schematic view of a state after the installation of the ground wire suspension device according to the second embodiment of the present invention is completed;
fig. 7 is a first schematic view of an operation of the method for hanging the ground wire by the unmanned aerial vehicle according to the third embodiment of the present invention;
fig. 8 is a second schematic view of an operation of the method for hanging the ground wire by the unmanned aerial vehicle according to the third embodiment of the present invention;
fig. 9 is a third schematic view of an operation of the method for hanging the ground wire by the unmanned aerial vehicle in the third embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 2, the present embodiment discloses a grounding clip, which includes a left clamping plate and a right clamping plate 1, wherein the two clamping plates 1 are connected by a hinge shaft 5, the hinge shaft 5 is used as a boundary, the two clamping plates are divided into an upper force application area and a lower clamping area, a torsion spring 2 is sleeved on the hinge shaft 5, and two force arms of the torsion spring 2 are respectively connected with the force application areas of the two clamping plates 1. Two splint are equipped with spacing fixture block 3 between the clamping area, and 3 one ends of spacing fixture block are connected with one of them splint are articulated, and the trompil of another splint is passed to the spacing fixture block 3 other end.
The other end of the limiting clamping block 3 is also provided with a clamping part, and the clamping part is matched with the opening edge of the other clamping plate in a clamping manner. In this embodiment, the other end of the limiting clamping block 3 is provided with a notch to form a clamping part. The opening is positioned at the middle position of the corresponding clamping plate.
The two clamping plates 1 are respectively connected with guide plates at the opening of the clamping area downwards, and the two guide plates are symmetrically bent outwards, so that the two guide plate parts form a guide nozzle 4.
In this embodiment, the two clamp plates 1 are connected to the hinge shaft 5 through the support frames 6, respectively.
When the grounding clamp is in a closed state, the two clamping plates 1 are close to each other in the clamping area, and the other end of the limiting clamping block 3 penetrates through a middle hole of the other clamping plate.
When the ground clamp is in an open state, the two clamping plates 1 are separated from each other in the clamping area, and the limiting clamping block 3 is clamped on the opening edge of the other clamping plate by the clamping part to realize the maintenance of the open state of the ground clamp.
The utility model discloses a ground connection presss from both sides can realize through complete mechanical mechanism that ground connection presss from both sides the holding of open mode, does not exist by the phenomenon that the electric shock of response electricity and damaged, guarantees the practical application effect.
The utility model discloses a ground connection presss from both sides and forms the direction mouth downwards at the centre gripping district opening part, plays the guide effect of taking one's place, and great aperture is convenient for unmanned aerial vehicle and hangs copper ground connection and presss from both sides.
When unmanned aerial vehicle hangs the installation, the ground connection clamp is in the open mode, lifts by crane when installation at wire or cross arm angle steel touching spacing fixture block, and the splint are closed rapidly under torsion spring's effect and step up about, realizes wire and angle steel centre gripping, accomplishes the installation of earth connection.
Example two:
as shown in fig. 3 to 6, the present embodiment discloses a suspension grounding wire device, which includes two grounding clamps according to the first embodiment, namely, a cross arm angle steel grounding clamp 9 located above and a wire grounding clamp 14 located below.
The clamping area opening of the cross arm angle steel grounding clamp 9 is downward, the force application area of the cross arm angle steel grounding clamp 9 is connected with an upper insulating support rod 10 extending downward, a grounding wire hook is arranged on the upper insulating support rod 10, and the grounding wire hook is an agnail hook.
In this embodiment, the upper insulating support rod is an inverted L-shaped structure.
The clamping area of the wire grounding clamp 14 is opened downwards, the force application area of the wire grounding clamp 14 is connected with a lower insulating support rod 12 extending upwards, and the upper insulating support rod 10 and the lower insulating support rod 12 are connected through an insulating rope 11.
The cross arm angle steel grounding clamp 9 and the lead grounding clamp 14 are connected through a grounding wire 13, and the grounding wire 13 is respectively arranged along the upper insulating support rod 10 and the lower insulating support rod 12. Specifically, two ends of the grounding wire are respectively connected to the force application area clamping plates of the cross arm angle steel grounding clamp 9 and the wire grounding clamp 14.
The utility model discloses an among the suspension earth connection device, connect through the earth connection between cross arm angle steel ground connection clamp and the wire ground connection clamp, realize the release of faradic electricity. And meanwhile, the arrangement of the upper insulating support rod and the lower insulating support rod is designed, so that the alignment is convenient to control and the swing is prevented.
Example three:
as shown in fig. 7 to 9, the present embodiment discloses a method for hanging a ground wire by an unmanned aerial vehicle, and the ground wire hanging device according to the second embodiment is used, and includes the following steps:
(1) before operation, the cross arm angle steel grounding clamp 9 and the lead grounding clamp 14 are operated to be in an open state on the ground, the grounding wire hook is connected with the unmanned aerial vehicle hook 8, the unmanned aerial vehicle 7 is started, and the grounding wire is lifted off;
(2) the unmanned aerial vehicle 7 is operated to align the wire grounding clamp 14 with the wire 18, then the unmanned aerial vehicle is operated to suddenly descend, the limiting clamping block on the wire grounding clamp 14 is contacted with the wire 18, the limiting clamping block is reset to enable the wire grounding clamp 14 to be in a closed state, and the wire grounding clamp 14 is connected with the wire 18;
(3) the unmanned aerial vehicle 7 is operated to the position of the cross arm of the iron tower, so that the cross arm angle steel grounding clamp 9 is aligned with the cross arm angle steel, then the unmanned aerial vehicle is operated to descend rapidly, a limiting clamping block on the cross arm angle steel grounding clamp 9 is in contact with the cross arm angle steel, the limiting clamping block resets to enable the cross arm angle steel grounding clamp 9 to be in a closed state, and the cross arm angle steel grounding clamp 9 is connected with the cross arm 17;
(4) finally, the unmanned aerial vehicle 7 is operated to descend, the unmanned aerial vehicle hook 8 is separated from the ground wire hook, and the installation of one ground wire is realized;
(5) and (5) operating the unmanned aerial vehicle to return to the ground, and continuing to install the second and third … … grounding wires according to the steps (1) to (4).
In fig. 7, reference numeral 17 denotes an insulator string.
Wherein, unmanned aerial vehicle is operated by ground personnel, is the main promotion power of earth connection, and unmanned aerial vehicle lower extreme design unmanned aerial vehicle couple 8, and unmanned aerial vehicle couple 8 is barb formula couple, can get in touch the high-speed joint with the earth connection.
According to the method for hanging the ground wire by the unmanned aerial vehicle, the unmanned aerial vehicle does not need high-altitude operation personnel to carry out high-altitude operation when the ground wire is installed, the installation efficiency is high, and the safety is high. After the electric power stringing construction or the overhauling and maintaining operation is completed, the unmanned aerial vehicle can be operated to separate the cross arm angle steel grounding clamp from the cross arm angle steel by utilizing the hook, then the wire grounding clamp is separated from the lower end wire, and the removing construction operation of the grounding wire is realized.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (8)
1. The utility model provides a grounding clip, includes about two splint, is connected by the articulated shaft between two splint to the articulated shaft is border on, and two splint divide into the application of force district on upper portion and the centre gripping district of lower part, and the cover is equipped with torque spring on the articulated shaft, and two arm of force of torque spring are connected its characterized in that with the application of force district of two splint respectively: a limiting fixture block is arranged between the clamping areas of the two clamping plates, one end of the limiting fixture block is hinged with one of the clamping plates, and the other end of the limiting fixture block penetrates through the opening of the other clamping plate;
the other end of the limiting clamping block is also provided with a clamping part, and the clamping part is clamped and matched with the opening edge of the other clamping plate;
when the grounding clamp is in a closed state, the two clamping plates are close to each other in the clamping area, and the other end of the limiting clamping block penetrates through a middle opening of the other clamping plate;
when the grounding clamp is in an open state, the two clamping plates are mutually separated in the clamping area, and the limiting clamping block is clamped on the opening edge of the other clamping plate by the clamping part, so that the open state of the grounding clamp is maintained.
2. A grounding clip as set forth in claim 1, wherein: the two clamping plates are respectively connected with guide plates at the opening of the clamping area downwards, and the two guide plates are symmetrically bent outwards to form guide nozzles for the two guide plate parts.
3. A grounding clip as set forth in claim 1 or 2, wherein: the two clamping plates are respectively connected with the articulated shaft through a supporting frame.
4. A grounding clip as set forth in claim 1 or 2, wherein: and the other end of the limiting clamping block is provided with a notch to form a clamping part.
5. A grounding clip as set forth in claim 1 or 2, wherein: the opening is positioned in the middle of the corresponding clamping plate.
6. A suspended ground wire device, characterized in that: the grounding clamp comprises the grounding clamp of any one of claims 1 to 5, and is provided with two, namely an upper cross arm angle steel grounding clamp and a lower lead grounding clamp;
the clamping area of the cross arm angle steel grounding clamp is opened downwards, the force application area of the cross arm angle steel grounding clamp is connected with an upper insulating support rod extending downwards, and a grounding wire hook is arranged on the upper insulating support rod; the opening of the clamping area of the wire grounding clamp is downward, the force application area of the wire grounding clamp is connected with a lower insulating support rod which extends upward, and the upper insulating support rod and the lower insulating support rod are connected through an insulating rope;
the cross arm angle steel grounding clamp and the wire grounding clamp are connected through a grounding wire, and the grounding wire is arranged along the upper insulating support rod and the lower insulating support rod respectively.
7. A suspended earth wire assembly as claimed in claim 6, wherein: the upper insulating support rod is of an inverted L-shaped structure.
8. A suspended earth wire assembly as claimed in claim 6, wherein: the ground wire hook is a barb type hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795942.7U CN213278450U (en) | 2020-11-27 | 2020-11-27 | Grounding clamp and suspension grounding wire device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795942.7U CN213278450U (en) | 2020-11-27 | 2020-11-27 | Grounding clamp and suspension grounding wire device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278450U true CN213278450U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022795942.7U Active CN213278450U (en) | 2020-11-27 | 2020-11-27 | Grounding clamp and suspension grounding wire device |
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| CN (1) | CN213278450U (en) |
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- 2020-11-27 CN CN202022795942.7U patent/CN213278450U/en active Active
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