CN110581378A - Spiral grounding pin equipment - Google Patents
Spiral grounding pin equipment Download PDFInfo
- Publication number
- CN110581378A CN110581378A CN201910875000.9A CN201910875000A CN110581378A CN 110581378 A CN110581378 A CN 110581378A CN 201910875000 A CN201910875000 A CN 201910875000A CN 110581378 A CN110581378 A CN 110581378A
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- CN
- China
- Prior art keywords
- connecting plate
- spiral
- grounding pin
- screw
- binding post
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a spiral grounding pin device which comprises a connecting plate, a spiral pin fixedly connected to the center of the lower surface of the connecting plate, a binding post arranged at the center of the upper surface of the connecting plate and connected with the upper end of the spiral pin, a grounding wire hanging ring fixed at the upper end of the binding post and a wrench fixedly arranged on the connecting plate, wherein the connecting plate is fixedly provided with a screw hole; the outer circumference of the spiral needle is provided with a spiral groove, and the lower end of the spiral needle is a tip. Compared with the prior grounding pin, the grounding pin has the advantages of labor saving, difficult damage and prolonged service life. The spiral grounding pin is easy to enter the ground, can be pulled out only by rotating the wrench anticlockwise when pulled out, and is simple and convenient to use because the ground wire signboard hanging ring is additionally arranged on the spiral grounding pin.
Description
Technical Field
The invention relates to the technical field of distribution line maintenance, in particular to a spiral grounding pin device.
background
the grounding wire is a wire directly connected with the earth and can also be called a safety return line, and high voltage is directly transferred to the earth in danger, so that the grounding wire is a life wire. In an electric appliance, a grounding wire is a circuit which is connected to a part such as an electric equipment shell and can lead out unsafe electric charges or leakage current generated due to various reasons in time.
(1) the high-voltage grounding wire has the following functions: the high-voltage grounding wire is used for line and power transformation construction and is used for preventing an adjacent charged body from generating electrostatic induction electric shock or ensuring safety when the charged body is switched on by mistake.
(2) High-voltage grounding structure: the portable high-voltage grounding wire comprises an insulating operating rod, a conducting wire clamp, a short-circuit wire, a grounding terminal, a confluence clamp and a grounding clamp.
(3) The manufacturing process of the high-voltage grounding wire comprises the following steps: the manufacturing process is excellent-the lead clamp and the grounding clamp are formed by high-quality aluminum alloy through die casting; the operating rod adopts an epoxy resin colored tube, so that the insulating property is good, the strength is high, the weight is light, the color is bright, and the appearance is smooth; the grounding annealed copper wire is formed by twisting a plurality of strands of high-quality annealed copper wires, and is covered with a soft and high-temperature-resistant transparent insulating protective layer, so that abrasion to the grounding copper wire in use can be prevented, the copper wire meets the requirement of fatigue test, and the safety of operating personnel in operation is ensured.
(4) specification of the grounding wire: according to the ministry, the grounding wire is made of bare copper flexible wires with the diameter of more than 25 mm.
It is seen that grounding the ground wire is very important in power line operation. The structure of earth connection includes: the grounding rod, the stranded soft copper core wire and the grounding pin. When the grounding device is used, the multi-strand soft copper core wires need to be taken down, the grounding needle is used as a grounding body to be driven into the ground, and the clamping head on the grounding rod is fixed to equipment with power failure and voltage absence confirmation, so that an operator can operate the grounding device.
In the prior art, most of T-shaped grounding needles are driven into the ground for grounding, but the mode has the following problems:
The T-shaped grounding pin is difficult to pull out after use, the T-shaped joint is easy to open and weld, and the grounding pin is difficult to pull out after welding.
Therefore, there is a need to provide a screw-type earth pin apparatus that solves the above problems.
disclosure of Invention
The invention aims to provide a spiral grounding pin device which has the effects of convenience in grounding and labor saving in disassembly.
in order to achieve the purpose, the technical scheme adopted by the invention is as follows:
A spiral grounding pin device comprises a connecting plate, a spiral pin fixedly connected to the center of the lower surface of the connecting plate, a binding post arranged at the center of the upper surface of the connecting plate and connected with the upper end of the spiral pin, a grounding wire hanging ring fixed to the upper end of the binding post and a wrench fixedly arranged on the connecting plate;
the outer circumference of the spiral needle is provided with a spiral groove, and the lower end of the spiral needle is a tip.
As a further improvement of the invention, the lower surface of the connecting plate is also fixedly provided with a ground wire signboard hanging ring for hanging the signboard.
As a further improvement of the invention, the lower end of the binding post is fixedly connected to the connecting plate.
As a further improvement of the invention, the upper surface of the connecting plate is fixedly provided with a limiting sleeve, the outer side of the binding post is provided with an annular groove, and an annular sliding plate of the limiting sleeve is sleeved in the annular groove in a sliding manner.
As a further improvement of the invention, the lower end of the binding post is provided with a spherical groove, the top end of the spiral needle is fixedly provided with a connecting ball, and the spherical groove is matched with the connecting ball and sleeved outside the connecting ball.
As a further improvement of the invention, the inner groove of the spherical groove is not less than three quarters of the spherical surface of the connecting sphere.
As a further improvement of the invention, the outermost side of the wrench is overlapped with the outermost side of the connecting plate, and the number of the wrenches is more than two.
As a further improvement of the invention, the number of the wrenches is three, and the three wrenches are distributed on the connecting plate in a circumferential array.
As a further improvement of the invention, the outer side edge of the wrench is an arc-shaped edge, and the arc-shaped edge is provided with metal patterns or metal salient points for increasing friction force.
As a further improvement of the invention, the outer side edge of the wrench is a fold line edge.
compared with the prior art, the invention has the following beneficial effects:
Compared with the prior grounding pin, the grounding pin has the advantages of labor saving, difficult damage and prolonged service life. The spiral grounding pin is easy to enter the ground, can be pulled out only by rotating the wrench anticlockwise when pulled out, and is simple and convenient to use because the ground wire signboard hanging ring is additionally arranged on the spiral grounding pin.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fifth embodiment of the present invention;
Fig. 7 is a schematic structural diagram of a sixth embodiment of the present invention.
In the drawings, there is shown in the drawings,
11 spiral needles, 12 binding posts, 13 wrenches, 14 connecting plates, 15 ground wire signboard hanging rings, 16 spiral grooves, 17 ground wire hanging rings, 18 tips, 19 limiting sleeves, 20 annular grooves, 22 connecting spheres and 23 spherical grooves.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example one
As shown in fig. 1, a screw type grounding pin device comprises a connecting plate 14, a screw pin 11 fixedly connected to the center of the lower surface of the connecting plate 14, a binding post 12 arranged at the center of the upper surface of the connecting plate 14 and connected with the upper end of the screw pin 11, a grounding wire hanging ring 17 fixed to the upper end of the binding post 12, and a wrench 13 fixedly arranged on the connecting plate 14;
the ground wire hanging ring 17 is in a buckle type, is directly connected in a clamping mode during connection, and reduces rotary damage to a ground copper wire when the spiral needle 11 rotates to the ground.
The outer circumference of the spiral needle 11 is provided with a spiral groove 16, and the lower end of the spiral needle is a tip 18.
further, a ground wire signboard hanging ring 15 for hanging a signboard is fixedly arranged on the lower surface of the connecting plate 14.
Further, the lower end of the binding post 12 is fixedly connected to the connecting plate 14.
The spiral grounding pin of the embodiment is easy to enter the ground, can be pulled out only by rotating the wrench anticlockwise when being pulled out, and is simple and convenient to use because the spiral grounding pin is provided with the ground wire signboard hanging ring.
Example two
As shown in fig. 2, a screw type grounding pin device comprises a connecting plate 14, a screw pin 11 fixedly connected to the center of the lower surface of the connecting plate 14, a binding post 12 arranged at the center of the upper surface of the connecting plate 14 and connected with the upper end of the screw pin 11, a grounding wire hanging ring 17 fixed to the upper end of the binding post 12, and a wrench 13 fixedly arranged on the connecting plate 14;
The outer circumference of the spiral needle 11 is provided with a spiral groove 16, and the lower end of the spiral needle is a tip 18.
Further, a ground wire signboard hanging ring 15 for hanging a signboard is fixedly arranged on the lower surface of the connecting plate 14.
Furthermore, a limiting sleeve 19 is fixedly arranged on the upper surface of the connecting plate 14, an annular groove 20 is formed in the outer side of the binding post 12, and an annular sliding plate of the limiting sleeve 19 is slidably sleeved in the annular groove 20.
in the present embodiment, the terminal 12 and the connecting plate 14 form a sliding fit with each other, and when the screw pin 11 is driven into the ground or pulled out from the ground, the ground wire on the terminal 12 does not rotate along with the screw pin 11, so that the ground wire is prevented from being twisted, and the wiring is more stable.
EXAMPLE III
As shown in fig. 3 and 4, a screw type grounding pin device comprises a connecting plate 14, a screw pin 11 fixedly connected to the center of the lower surface of the connecting plate 14, a binding post 12 arranged at the center of the upper surface of the connecting plate 14 and connected with the upper end of the screw pin 11, a grounding wire hanging ring 17 fixed to the upper end of the binding post 12, and a wrench 13 fixedly arranged on the connecting plate 14;
The outer circumference of the spiral needle 11 is provided with a spiral groove 16, and the lower end of the spiral needle is a tip 18.
Further, a ground wire signboard hanging ring 15 for hanging a signboard is fixedly arranged on the lower surface of the connecting plate 14.
Furthermore, a limiting sleeve 19 is fixedly arranged on the upper surface of the connecting plate 14, an annular groove 20 is formed in the outer side of the binding post 12, and an annular sliding plate of the limiting sleeve 19 is slidably sleeved in the annular groove 20.
Further, the lower end of the binding post 12 is provided with a spherical groove 23, the top end of the spiral needle 11 is fixedly provided with a connecting sphere 22, and the spherical groove 23 is matched with the connecting sphere 22 and is sleeved outside the connecting sphere 22.
Further, the inner groove of the spherical groove 23 is not smaller than three quarters of the spherical surface of the connecting sphere 22.
On the basis of possessing the technical effect of embodiment two, this embodiment adopts the cooperation that connects spheroid 22 and spherical groove 23 formation universal direction of rotation, and the operation is more nimble, can guarantee moreover when the spiral needle 11 is squeezed into underground or is extracted, and the rotation of any angle all makes the abundant physical contact of connecting spheroid 22 and spherical groove 23, avoids the condition of disconnection to appear, improves the safety and stability of earth connection.
Example four
As shown in fig. 5, in the first, second or third embodiments, the outermost side of the wrench 13 coincides with the outermost side of the connecting plate 14, and the number of the wrenches 13 is two. Two wrenches 13 are symmetrically arranged on both sides of the connecting plate 14. The outer side edge of the wrench 13 is an arc-shaped edge, and metal patterns or metal salient points for increasing friction force are arranged on the arc-shaped edge. Adopt two spanners, the multiple instrument of adaptation is carried out the centre gripping and is rotated.
EXAMPLE five
As shown in fig. 6, on the basis of the first, second or third embodiments, the number of the wrenches 13 is three, and three wrenches 13 are circumferentially arrayed on the connecting plate 14. The outer side edge of the wrench 13 is an arc-shaped edge, and metal patterns or metal salient points for increasing friction force are arranged on the arc-shaped edge. Three spanners are adopted, three-point clamping of the tool is more stable, and the tool is labor-saving in rotation.
EXAMPLE six
as shown in fig. 7, on the basis of the first, second or third embodiments, the number of the wrenches 13 is three, and three wrenches 13 are circumferentially arrayed on the connecting plate 14. The outer side edge of the wrench 13 is a broken line edge. The friction is large when the clamping is rotated, and the clamping is not easy to be released.
Compared with the prior grounding pin, the grounding pin has the advantages of labor saving, difficult damage and prolonged service life.
The foregoing examples, while indicating preferred embodiments of the invention, are given by way of illustration and description, but are not intended to limit the invention solely thereto; it is specifically noted that those skilled in the art or others will be able to make local modifications within the system and to make modifications, changes, etc. between subsystems without departing from the structure of the present invention, and all such modifications, changes, etc. fall within the scope of the present invention.
Claims (10)
1. A spiral earthing pin equipment which characterized in that: comprises a connecting plate (14), a spiral needle (11) fixedly connected to the center of the lower surface of the connecting plate (14), a binding post (12) arranged at the center of the upper surface of the connecting plate (14) and connected with the upper end of the spiral needle (11), a ground wire hanging ring (17) fixed at the upper end of the binding post (12) and a spanner (13) fixedly arranged on the connecting plate (14);
The outer circumference of the spiral needle (11) is provided with a spiral groove (16), and the lower end of the spiral needle is a tip (18).
2. A screw-type grounding pin apparatus according to claim 1, characterized in that: and a ground wire signboard hanging ring (15) for hanging the signboard is fixedly arranged on the lower surface of the connecting plate (14).
3. A screw-type grounding pin apparatus according to claim 1, characterized in that: the lower end of the binding post (12) is fixedly connected to the connecting plate (14).
4. A screw-type grounding pin apparatus according to claim 1, characterized in that: the upper surface of the connecting plate (14) is fixedly provided with a limiting sleeve (19), an annular groove (20) is formed in the outer side of the binding post (12), and an annular sliding plate of the limiting sleeve (19) is sleeved in the annular groove (20) in a sliding mode.
5. A screw-type grounding pin apparatus according to claim 4, wherein: the lower end of the binding post (12) is provided with a spherical groove (23), the top end of the spiral needle (11) is fixedly provided with a connecting sphere (22), and the spherical groove (23) is matched with the connecting sphere (22) and sleeved outside the connecting sphere (22).
6. A screw-type grounding pin apparatus according to claim 5, characterized in that: the inner groove of the spherical groove (23) is not less than three quarters of the spherical surface of the connecting sphere (22).
7. A screw-type grounding pin apparatus according to any one of claims 1 to 6, characterized in that: the outermost side of the wrench (13) coincides with the outermost side of the connecting plate (14), and the number of the wrenches (13) is more than two.
8. A screw-type grounding pin apparatus according to claim 7, characterized in that: the number of the wrenches (13) is three, and the three wrenches (13) are distributed on the connecting plate (14) in a circumferential array mode.
9. A screw-type grounding pin apparatus according to claim 8, wherein: the outer side edge of the wrench (13) is an arc-shaped edge, and metal patterns or metal salient points for increasing friction force are arranged on the arc-shaped edge.
10. A screw-type grounding pin apparatus according to claim 8, wherein: the outer side edge of the wrench (13) is a fold line edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875000.9A CN110581378A (en) | 2019-09-17 | 2019-09-17 | Spiral grounding pin equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875000.9A CN110581378A (en) | 2019-09-17 | 2019-09-17 | Spiral grounding pin equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110581378A true CN110581378A (en) | 2019-12-17 |
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ID=68811400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910875000.9A Pending CN110581378A (en) | 2019-09-17 | 2019-09-17 | Spiral grounding pin equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110581378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203961A (en) * | 2021-04-30 | 2021-08-03 | 广东电网有限责任公司清远供电局 | Line fault simulation device and line fault simulation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205846271U (en) * | 2016-07-05 | 2016-12-28 | 安徽樵森电气科技股份有限公司 | Rotatable binding post |
| CN209167384U (en) * | 2018-10-15 | 2019-07-26 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of novel grounded probe |
-
2019
- 2019-09-17 CN CN201910875000.9A patent/CN110581378A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205846271U (en) * | 2016-07-05 | 2016-12-28 | 安徽樵森电气科技股份有限公司 | Rotatable binding post |
| CN209167384U (en) * | 2018-10-15 | 2019-07-26 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of novel grounded probe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203961A (en) * | 2021-04-30 | 2021-08-03 | 广东电网有限责任公司清远供电局 | Line fault simulation device and line fault simulation method |
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Application publication date: 20191217 |