CN215008862U - Rotary type grounding wire connecting device - Google Patents
Rotary type grounding wire connecting device Download PDFInfo
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- CN215008862U CN215008862U CN202120579783.9U CN202120579783U CN215008862U CN 215008862 U CN215008862 U CN 215008862U CN 202120579783 U CN202120579783 U CN 202120579783U CN 215008862 U CN215008862 U CN 215008862U
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Abstract
The utility model provides a revolve formula earth connection connecting device, screw the sleeve including the ground connection stake, connector and earth connection sleeve of screwing, the connector both ends are connected with ground connection stake respectively and screw the sleeve and the earth connection sleeve of screwing, ground connection stake screws and is provided with first thread groove on the sleeve one end inner wall, connector one end is provided with first adapter sleeve, the earth connection is screwed and is provided with the second thread groove on the sleeve one end inner wall, the connector other end is provided with second adapter sleeve, the earth connection sleeve suit of screwing is on second adapter sleeve, and the second screw thread is connected with the second thread groove. The utility model discloses realize that the earth connection is firmly connected with the ground connection stake, make earth connection and ground connection stake firm in connection reliable on the one hand, the junction can not take place disconnected strand, increases operation personnel personal safety guarantee, and the on-the-spot disconnected strand of former earth connection of on the other hand can use this device to repair fast, alleviates the intensity of labour of operation personnel preparation again greatly, promotes work efficiency.
Description
Technical Field
The utility model belongs to earth connection jointing equipment field especially relates to a revolve formula earth connection connecting device.
Background
In recent years, in order to effectively control the power failure duration and frequently overhaul the power failure, a power grid enterprise pursues safe, stable and uninterrupted power supply, and each professional department of a power grid construction unit adopts a joint 'soldier team' power failure operation mode, so that 20-80 groups of grounding wires are arranged for ensuring the work safety in a distribution network operation site.
At present, no matter a newly purchased set of grounding wires adopts split-phase type, phase-combination type or series connection type connection, the connection positions of the stranded annealed copper wires and the special wire clamps are mostly sealed by yellow, green, red and black phase color sleeves. As the number of the grounding wires used in the operation site is extremely large, although the grounding wires are subjected to appearance inspection before the grounding wires are delivered out of a warehouse, color change and opacity are caused due to the protection of the protective sleeve, the damage condition of the broken strands of the annealed copper wires cannot be visually inspected in use due to overlong use time and the like, the condition that the broken strands inside part of the grounding wires are not timely eliminated, and the conditions that the connection between a chuck and the copper wires is not firm and the strands are broken are also caused in the processes of vehicle transportation and personnel carrying after the grounding wires are inspected out of the warehouse, so that the grounding wires cannot meet the requirement that the section of the grounding wires in the power safety working procedure cannot be smaller than 25mm on the working site2The connection reliability is specified.
Disclosure of Invention
The technical problem is solved, the utility model provides a rotary type earth connection connecting device, through the device, make earth connection and ground connection stake firm in connection reliable on the one hand, the junction can not take place disconnected strand, increases operation personnel personal safety guarantee, and the on-the-spot disconnected strand of former earth connection of discovery of on the other hand can use this device to repair fast, alleviates the intensity of labour of operation personnel preparation again greatly, promotes work efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a novel formula earth connection connects soon device, screw the sleeve including the ground connection stake, connector and earth connection sleeve of screwing, the connector both ends are connected with ground connection stake sleeve of screwing and earth connection sleeve of screwing respectively, ground connection stake is screwed and is provided with first thread groove on the sleeve one end inner wall, connector one end is provided with first adapter sleeve, first adapter sleeve outside wall mountain is provided with first screw thread, ground connection stake is screwed the cover and is adorned on first adapter sleeve, and first screw thread is connected with first thread groove, the earth connection is screwed and is provided with second thread groove on the sleeve one end inner wall, the connector other end is provided with second adapter sleeve, second adapter sleeve outside wall mountain is provided with the second screw thread, the earth connection sleeve of screwing is adorned on second adapter sleeve, and the second screw thread is connected with second thread groove.
The length of the connector and the first connecting sleeve and the second connecting sleeve at the two ends of the connector is 150mm in total, and a wrench groove is arranged on the connector.
The external length of the first connecting sleeve is 75mm, the internal length of the first connecting sleeve is 70mm, the internal diameter of the first connecting sleeve is 16mm, the external diameter of the first connecting sleeve is 18mm, and the length of the first thread is 30 mm.
The outer length of the second connecting sleeve is 60mm, the inner length of the second connecting sleeve is 59mm, the inner diameter of the second connecting sleeve is 8mm, the outer diameter of the second connecting sleeve is 10mm, and the length of the second thread is 20 mm.
Ground connection stake is screwed sleeve outward appearance and is cylindrically, and its length 75mm, the outer end is provided with 10mm spanner groove, and its internal diameter is 18mm, and first thread groove length is 31mm, and the earth connection is screwed sleeve outward appearance and is cylindrically, and its length 60mm, the outer end is provided with 10mm spanner groove, and its internal diameter is 10mm, and second thread groove length is 21 mm.
Compared with the prior art, the utility model has the advantages and positive effect be:
due to the adoption of the technical scheme, the grounding wire and the grounding pile are firmly connected, on one hand, the grounding wire and the grounding pile are firmly and reliably connected, the connecting part can not be broken, the personal safety guarantee of operators is increased, on the other hand, the broken strand of the original grounding wire can be quickly repaired by using the device when the broken strand of the original grounding wire is found on site, the labor intensity of the operators in remanufacturing is greatly reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the internal structure of the present invention;
fig. 3 is a schematic view of the internal structure of the grounding pile screwing sleeve of the present invention;
fig. 4 is a schematic view of the internal structure of the connector structure of the present invention.
In the figure:
| 1. ground |
2. Connecting |
3. Grounding |
| 11. |
21. First connecting |
211. |
| 22. Second connecting |
221. |
31. Second thread groove |
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should have the ordinary meaning as understood by those having ordinary skill in the art. The use of "first," "second," and similar terms in the present embodiments does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "Upper," "lower," "left," "right," "lateral," "vertical," and the like are used solely in relation to the orientation of the components in the figures, and these directional terms are relative terms that are used for descriptive and clarity purposes and that can vary accordingly depending on the orientation in which the components in the figures are placed.
As shown in fig. 1, 2, 3, and 4, the novel rotary ground wire connection device of this embodiment includes a ground pile screwing sleeve 1, a connection body 2, and a ground wire screwing sleeve 3, wherein two ends of the connection body 2 are respectively connected with the ground pile screwing sleeve 1 and the ground wire screwing sleeve 3, a first thread groove 11 is formed on an inner wall of one end of the ground pile screwing sleeve 1, a first connection sleeve 21 is formed on one end of the connection body 2, a first thread 211 is formed on an outer sidewall of the first connection sleeve 21, the ground pile screwing sleeve 1 is sleeved on the first connection sleeve 21, the first thread 211 is connected with the first thread groove 11, a second thread groove 31 is formed on an inner wall of one end of the ground wire screwing sleeve 3, a second connection sleeve 22 is formed on the other end of the connection body 2, a second thread 221 is formed on an outer sidewall of the second connection sleeve 22, and the ground wire screwing sleeve 3 is sleeved on the second connection sleeve 22, and the second screw 221 is connected with the second screw groove 31.
The length of the connector 2 and the first connection sleeve 21 and the second connection sleeve 22 at both ends thereof is 150mm in total, and a wrench groove is provided on the connector 2.
The first coupling sleeve 21 has an outer length of 75mm and an inner length of 70mm, an inner diameter of 16mm, an outer diameter of 18mm, and a first thread 211 having a length of 30 mm.
The second adapter sleeve 22 has an outer length of 60mm and an inner length of 59mm, an inner diameter of 8mm, an outer diameter of 10mm, and a second thread 221 length of 20 mm.
The appearance of the ground pile screwing sleeve 1 is cylindrical, the length of the ground pile screwing sleeve is 75mm, a 10mm wrench groove is formed in the outer end of the ground pile screwing sleeve, the inner diameter of the ground pile screwing sleeve is 18mm, and the length of the first thread groove 11 is 31 mm.
The appearance of the grounding wire screwing sleeve 3 is cylindrical, the length of the grounding wire screwing sleeve is 60mm, a 10mm wrench groove is formed in the outer end of the grounding wire screwing sleeve, the inner diameter of the grounding wire screwing sleeve is 10mm, and the length of the second thread groove 31 is 21 mm.
In the use process, firstly, the soft copper wire of the grounding wire penetrates into the grounding wire screwing sleeve 3, then the protective sleeve with the length of about 5cm of the soft copper wire of the grounding wire is stripped, and then the soft copper wire is plugged into the round hole at the free end of the grounding wire screwing sleeve 3 to screw the sleeve. And (3) penetrating a round steel of the grounding pile into the grounding pile screwing sleeve 1, then plugging the round steel into a free end round hole of the grounding pile screwing sleeve 1, and screwing the sleeve.
In the using process, firstly, the soft copper wire of the grounding wire penetrates into the grounding wire screwing sleeve, then the protective sleeve with the length of about 5cm of the soft copper wire of the grounding wire is stripped, then the soft copper wire is plugged into the circular hole at the free end of the grounding wire screwing sleeve, and the sleeve is screwed. And penetrating a round steel of the grounding pile into the grounding pile screwing sleeve, then plugging the round steel into a free end round hole of the grounding pile screwing sleeve, and screwing the sleeve.
In this process, the contact area of the ground wire and the connector is:
pi dL =3.14 × 8mm × 50mm =1256mm > 25mm, the grounding wire cross-section in conformity with the electric power safety work specification should not be smaller than 25mm, and the requirement of the installation-site short-circuit current should be satisfied.
D, direct current resistance detection result: =1631.21 μ Ω ÷ 1000 ÷ 15=0.1087m Ω < 0.79m Ω per meter, complying with the requirement that the average resistance value per meter of the cross-section of the nose measuring resistance 25mm of the portable short-circuited grounding wire should be smaller than 0.79m Ω.
And (3) testing tension: the earth connection can bear the pulling force value after connecting through novel formula earth connection connecting device soon and be 2.39 KN.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a rotary type earth connection connecting device which characterized in that: the grounding pile screwing sleeve comprises a grounding pile screwing sleeve (1), a connector (2) and a grounding wire screwing sleeve (3), wherein the two ends of the connector (2) are respectively connected with the grounding pile screwing sleeve (1) and the grounding wire screwing sleeve (3), a first thread groove (11) is formed in one end inner wall of the grounding pile screwing sleeve (1), a first connecting sleeve (21) is arranged at one end of the connector (2), a first thread (211) is arranged on the outer side wall mountain of the first connecting sleeve (21), the grounding pile screwing sleeve (1) is sleeved on the first connecting sleeve (21), the first thread (211) is connected with the first thread groove (11), a second thread groove (31) is formed in the inner wall of one end of the grounding wire screwing sleeve (3), a second connecting sleeve (22) is arranged at the other end of the connector (2), a second thread (221) is arranged on the outer side wall mountain of the second connecting sleeve (22), the grounding wire screwing sleeve (3) is sleeved on the second connecting sleeve (22), and the second thread (221) is connected with the second thread groove (31).
2. A rotary ground wire connection device according to claim 1, characterized in that: the length of the connecting body (2) and the first connecting sleeve (21) and the second connecting sleeve (22) at the two ends of the connecting body is 150mm in total, and a wrench groove is formed in the connecting body (2).
3. A rotary ground wire connection device according to claim 1, characterized in that: the external length of the first connecting sleeve (21) is 75mm, the internal length of the first connecting sleeve is 70mm, the internal diameter of the first connecting sleeve is 16mm, the external diameter of the first connecting sleeve is 18mm, and the length of the first thread (211) is 30 mm.
4. A rotary ground wire connection device according to claim 1, characterized in that: the external length of the second connecting sleeve (22) is 60mm, the internal length of the second connecting sleeve is 59mm, the internal diameter of the second connecting sleeve is 8mm, the external diameter of the second connecting sleeve is 10mm, and the length of the second thread (221) is 20 mm.
5. A rotary ground wire connection device according to claim 1, characterized in that: ground connection stake sleeve (1) of screwing outward appearance is cylindrically, and its length 75mm, and the outer end is provided with 10mm spanner groove, and its internal diameter is 18mm, first thread groove (11) length is 31 mm.
6. A rotary ground wire connection device according to claim 1, characterized in that: the appearance of the grounding wire screwing sleeve (3) is cylindrical, the length of the grounding wire screwing sleeve is 60mm, a 10mm wrench groove is formed in the outer end of the grounding wire screwing sleeve, the inner diameter of the grounding wire screwing sleeve is 10mm, and the length of the second thread groove (31) is 21 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579783.9U CN215008862U (en) | 2021-03-22 | 2021-03-22 | Rotary type grounding wire connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579783.9U CN215008862U (en) | 2021-03-22 | 2021-03-22 | Rotary type grounding wire connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215008862U true CN215008862U (en) | 2021-12-03 |
Family
ID=79161872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120579783.9U Active CN215008862U (en) | 2021-03-22 | 2021-03-22 | Rotary type grounding wire connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215008862U (en) |
-
2021
- 2021-03-22 CN CN202120579783.9U patent/CN215008862U/en active Active
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