CN215601014U - Ground protection device for cable terminal - Google Patents
Ground protection device for cable terminal Download PDFInfo
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- CN215601014U CN215601014U CN202121985511.5U CN202121985511U CN215601014U CN 215601014 U CN215601014 U CN 215601014U CN 202121985511 U CN202121985511 U CN 202121985511U CN 215601014 U CN215601014 U CN 215601014U
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- ground protection
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Abstract
The utility model discloses a cable terminal ground protection device, wherein a cable channel for a cable to pass through is arranged in the cable terminal ground protection device, the cable terminal ground protection device comprises an upper half seat and a lower half seat, the bottom of the upper half seat is fixedly connected with a first connecting hemisphere, the top of the lower half seat is fixedly connected with a second connecting hemisphere, and the first connecting hemisphere and the second connecting hemisphere can be connected together in a relatively rotating manner to form a universal ball structure. The utility model provides a cable terminal ground protection device, which can adapt to the bending angle of a cable in space and can isolate the cable at a turning position from the external environment, aiming at the technical problems that a high-voltage cable at a cable upper tower is easy to damage due to wind and sunshine and is directly exposed to influence the appearance of a city.
Description
Technical Field
The utility model relates to the technical field of electric power facilities, in particular to a cable terminal ground protection device.
Background
With the development of social economy and cities, particularly the beautiful city action proposed by governments, more and more underground high-voltage cable new construction and up-down engineering are provided. However, in terms of cost, overhead high-voltage power transmission lines are mainly used for long-distance power transmission and high-voltage power transmission in non-urban areas. In such a hybrid transmission environment, the transmission line often shuttles between underground and high altitude. During the process of the ground-to-air connection, a small section of underground high-voltage cable is required to penetrate out of the ground and be fixed on a high-voltage transmission line terminal tower. The bottom of the small section of cable needs to be directionally turned, and the exposed ground part loses the protection of the original cable trench (or underground comprehensive pipe gallery) and can be directly exposed to the external environment. The service life of the cable is seriously shortened in the atmospheric environments such as strong light, wind and rain and the like. The high-voltage cable is exposed out of the ground surface to cause certain influence on the surrounding environment.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model provides a cable terminal ground protection device, which can adapt to the bending angle of a cable in space and can isolate the cable at a turning position from the external environment, aiming at the technical problems that a high-voltage cable at a cable upper tower is easy to damage due to wind and sunshine and is directly exposed to influence the appearance of a city.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the utility model is as follows:
cable termination ground protection device, cable termination ground protection device's inside has the cable channel that the power cable passed, cable termination ground protection device includes first seat and second seat, the bottom of first seat has linked firmly first connection hemisphere, the top of second seat has linked firmly the second and has connected the hemisphere, first connection hemisphere and second are connected together of hemisphere pivoted relatively to form universal ball structure.
Optionally, the cable sealing device further comprises a cable sealing head matched with the cable, the top of the upper half seat is fixedly connected with a top plate, and a connecting hole for embedding one end of the cable sealing head is formed in the top plate.
Optionally, the bottom of the lower half seat is fixedly connected with a rubber pad and a plurality of first fasteners.
Optionally, the cable terminal ground protection device is made of a non-ferromagnetic material.
Optionally, one side of the cable terminal ground protection device is provided with a cable installation slit communicated with the cable channel.
Optionally, a sealing structure is arranged at the cable installation seam.
Optionally, the cable terminal ground protection device is a left-right splicing structure, and a left half part and a right half part of the cable terminal ground protection device are spliced together to form a cable channel.
Optionally, the splicing position of the left half part and the right half part of the cable terminal ground protection device is provided with a sealing structure.
Optionally, the upper half seat is formed by splicing two upper half seat monomers, a connecting structure is arranged on each upper half seat monomer, and the connecting structures on the upper half seat monomers are matched to enable the two upper half seat monomers to be fixedly connected.
Optionally, the connecting structure includes a connecting portion disposed on a connecting edge of one side of the upper half seat single body, and a connecting groove disposed on a connecting edge of the other side of the upper half seat single body.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) this cable termination ground protection device not only can keep apart tower department cable and external environment, still can adapt to the crooked angle in space of cable, still plays effectual protection to the cable.
Drawings
Fig. 1 is a schematic structural diagram of a cable terminal ground protection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first connecting hemisphere in the ground protection device for a cable terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second connecting hemisphere in the ground protection device for a cable terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an upper half seat unit in the ground protection device for a cable terminal according to an embodiment of the present invention;
1. an upper half seat; 2. a lower half seat; 3. a first connecting hemisphere; 4. a second connecting hemisphere; 5. a cable plugging head; 6. a top end plate; 7. a first fastener; 8. an upper half seat single body; 9. a connecting portion; 10. and connecting the grooves.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-4 and examples.
With reference to fig. 1-4, the cable termination ground protection device of this embodiment, cable termination ground protection device's inside has the cable channel that the power cable passed, and the cable spreads into from cable termination ground protection device's bottom to wear out from cable termination ground protection device's top, cable termination ground protection device includes first seat 1 and second seat 2, first connection hemisphere 3 has been linked firmly to the bottom of first seat 1, second connection hemisphere 4 has been linked firmly to the top of second seat 2 down, first connection hemisphere 3 and second connection hemisphere 4 can be connected together rotationally relatively to form universal sphere structure, the cooperation of first connection hemisphere 3 and second connection hemisphere 4 makes first seat 1 can be swung towards arbitrary angle relatively second seat 2.
This cable termination ground protection device not only can keep apart tower department cable and external environment, still can adapt to the crooked angle in space of cable, still plays effectual protection to the cable.
As an alternative of the utility model, the cable protection device further comprises a cable plugging head 5 matched with the cable, wherein the cable plugging head 5 is in the prior art, the top of the upper half seat 1 is fixedly connected with a top end plate 6, the top end plate 6 is fixed on the upper half seat 1 through a cross-shaped recessed countersunk head self-tapping screw, and a connecting hole for embedding one end of the cable plugging head 5 is formed in the top end plate 6, so that the sealing performance of the cable penetrating out of the top of the cable terminal ground protection device is improved.
As an alternative of the utility model, a rubber pad and a plurality of first fasteners 7 are fixedly connected to the bottom of the lower half seat 2, the first fasteners 7 are stainless steel expansion bolts, the lower half seat 2 is fixed to a construction site concrete foundation through the rubber pad and the first fasteners 7, and the rubber pad can improve the sealing performance of a cable penetrating position from the bottom of the cable terminal ground protection device.
As an alternative of the present invention, the material of the cable terminal ground protection device is a non-ferromagnetic material, preferably an aluminum alloy, so as to avoid magnetic loss when the cable is electrified, and the overall weight is light, and the weight burden on the cable is small.
As an alternative of the present invention, one side of the cable terminal ground protection device is provided with a cable installation seam communicated with the cable channel, and a cable can be directly installed into the cable channel from the cable installation seam on the side surface of the cable terminal ground protection device.
As an alternative of the present invention, the cable terminal ground protection device is a left-right splicing type structure, and the left half part and the right half part of the cable terminal ground protection device are spliced together to form a cable channel, specifically, the upper half base 1, the lower half base 2, the first connecting hemisphere 3, the second connecting hemisphere 4 and the top end plate 6 are all designed into a left-right two-part structure, so that the cable terminal ground protection device can be directly spliced on a finished cable and a newly-built cable project to facilitate construction without disassembling the cable, in order to improve the sealing performance of the cable terminal ground protection device, the splicing positions of the left half part and the right half part of the cable terminal ground protection device are provided with sealing structures, preferably sealing strips, the left half part and the right half part of the cable terminal ground protection device can be connected through screws, the connecting device can also be connected in a buckling and clamping groove mode.
In this embodiment, first seat 1 comprises two first seat monomers 8, be equipped with connection structure on first seat monomer 8, two connection structure on first seat monomer 8 cooperatees so that two first seat monomers 8 link firmly, connection structure is including locating connecting portion 9 on first seat monomer 8 one side joint edge to and locate spread groove 10 on first seat monomer 8 opposite side joint edge, the cross-section of connecting portion 9 is T shape structure, two first seat monomer 8's connecting portion 9 and spread groove 10 cooperate in order to realize two first seat monomer 8's fixed coordination, need not any fastener and can realize effectual connection.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (9)
1. Cable termination ground protection device, its characterized in that: cable terminal ground protection device's inside has the cable channel that the power cable passed, cable terminal ground protection device includes first seat and second seat, the bottom of first seat has linked firmly first connection hemisphere, the top of second seat has linked firmly the second and has connected the hemisphere, first connection hemisphere and second are connected hemisphere relatively pivoted and are in the same place to form universal ball structure.
2. The cable termination ground protection device of claim 1, wherein: the cable sealing device is characterized by further comprising a cable sealing head matched with a cable, the top of the upper half seat is fixedly connected with a top plate, and a connecting hole for embedding one end of the cable sealing head is formed in the top plate.
3. The cable termination ground protection device of claim 1, wherein: the bottom of the lower half seat is fixedly connected with a rubber pad and a plurality of first fasteners.
4. A cable termination floor protection device according to any one of claims 1-3, characterized in that: the cable terminal ground protection device is made of non-ferromagnetic materials.
5. The cable termination ground protection device of claim 4, wherein: one side of the cable terminal ground protection device is provided with a cable installation seam communicated with the cable channel, and a sealing structure is arranged at the cable installation seam.
6. The cable termination ground protection device of claim 4, wherein: the cable terminal ground protection device is of a left-right splicing type structure, and the left half part and the right half part of the cable terminal ground protection device are spliced together to form a cable channel.
7. The cable termination ground protection device of claim 6, wherein: and sealing structures are arranged at the splicing positions of the left half part and the right half part of the cable terminal ground protection device.
8. The cable termination ground protection device of claim 6, wherein: the upper half seat is formed by splicing two upper half seat monomers, a connecting structure is arranged on each upper half seat monomer, and the connecting structures on the upper half seat monomers are matched to enable the two upper half seat monomers to be fixedly connected.
9. The cable termination ground protection device of claim 8, wherein: the connecting structure comprises a connecting part arranged on one side of the upper half seat single body and a connecting groove arranged on the other side of the upper half seat single body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985511.5U CN215601014U (en) | 2021-08-23 | 2021-08-23 | Ground protection device for cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121985511.5U CN215601014U (en) | 2021-08-23 | 2021-08-23 | Ground protection device for cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215601014U true CN215601014U (en) | 2022-01-21 |
Family
ID=79882346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121985511.5U Active CN215601014U (en) | 2021-08-23 | 2021-08-23 | Ground protection device for cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215601014U (en) |
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2021
- 2021-08-23 CN CN202121985511.5U patent/CN215601014U/en active Active
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