CN217115599U - High-voltage power cable protection device - Google Patents
High-voltage power cable protection device Download PDFInfo
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- CN217115599U CN217115599U CN202220887505.4U CN202220887505U CN217115599U CN 217115599 U CN217115599 U CN 217115599U CN 202220887505 U CN202220887505 U CN 202220887505U CN 217115599 U CN217115599 U CN 217115599U
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- power cable
- voltage power
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- semicircular ring
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Abstract
The utility model relates to a power cable technical field specifically is a high voltage power cable protector, including setting firmly two protection units in two cable one ends respectively, two protection units are through two at least connecting piece fixed connection, the joint department that supplies to two cables is by the cladding in two protection units, wherein, protection unit includes the seal tube, the interval sets firmly in two connecting blocks of seal tube one end, two halves circular ring piece and two retaining members, two halves circular ring piece sets up respectively in the relative both sides of two connecting blocks, two halves circular ring piece enclose to close the centre of a circle and seal the centre gripping space of casing axis coincidence, the both ends of two semi-circular ring pieces through two retaining members respectively with two connecting block fixed connection. The problem of current two cables fixed not firm, and hang for a long time and can lead to the junction fracture, lead to the broken circuit is solved.
Description
Technical Field
The utility model relates to a power cable technical field specifically is a high voltage power cable protector.
Background
Cables are generally rope-like cables made by stranding several wires or groups of wires, each group of wires being insulated from one another and often twisted around a center, covered with a highly insulating covering throughout, and erected in the air or installed underground, underwater for telecommunication or power transmission.
In the patent document of current patent application No. 202021020722.0, a high voltage power cable protecting pipe protector is disclosed, and specifically disclose including first protecting pipe and second protecting pipe, first protecting pipe is close to the corresponding coupling sleeve of second protecting pipe, first metal support cover and second metal support cover are do not installed to the both sides of first protecting pipe and second protecting pipe inner wall equally divide, the inner wall that first metal supported cover and second metal support cover has cup jointed the sponge protective sheath, the center of sponge protective sheath is provided with stranded cable conductor, the center of stranded cable conductor is provided with the filling rod, the fixing bolt corresponding with the second protecting pipe is all installed at the center of two metal fixing plate. Through above-mentioned scheme, fix the cable through first protecting pipe and second protecting pipe, can not carry out effectual fixed to joint department, hang for a long time and can lead to the junction fracture, lead to the condition of open circuit.
SUMMERY OF THE UTILITY MODEL
In view of the above, a need exists for a high voltage power cable protection device, which solves the problem of the prior art that two cables are not fixed firmly and the connection is broken due to long-time suspension, resulting in a circuit break.
The utility model provides a high-voltage power cable protection device, which comprises two protection units respectively fixedly arranged at one end of two cables, wherein the two protection units are fixedly connected through at least two connecting pieces, so that the joint of the two cables is covered in the two protection units,
the protection unit comprises a closed sleeve, two connecting blocks, two semicircular ring blocks and two locking pieces, wherein the two connecting blocks, the two semicircular ring blocks and the two locking pieces are fixedly arranged at one end of the closed sleeve at intervals, the two semicircular ring blocks are respectively arranged at two opposite sides of the two connecting blocks, the two semicircular ring blocks are enclosed to form a clamping space with the center of a circle and the axis of the closed sleeve coincident, and the two ends of the semicircular ring blocks are respectively fixedly connected with the two connecting blocks through the two locking pieces and are used for fixing one end of a cable in the clamping space.
Preferably, the protection unit further comprises a protection pipe, and a heat insulation layer is arranged in the protection pipe.
Preferably, a plurality of insulating sleeves are arranged in the heat insulation layer, the number of the insulating sleeves corresponds to that of the cables, and the cables penetrate through the insulating sleeves.
Preferably, the outer portion of the protection pipe is coated with an anticorrosive layer.
Preferably, the connecting piece comprises a bolt and a nut, the other end of the closed sleeve is provided with a fixed ring block, the circumference of the fixed ring block is provided with at least two through holes, and the bolt is arranged in the through holes of the two fixed ring blocks in a penetrating way and is screwed with the nut.
Preferably, the side surfaces of the two semicircular ring blocks, which are bent inwards, are provided with anti-skid grains.
Preferably, an annular groove is formed in the circumferential direction of the fixed ring block, and a sealing ring is arranged in the annular groove.
Preferably, the inner wall of one end of the closed sleeve is provided with a water-swellable tape.
Preferably, the locking part comprises two threaded rods fixedly arranged on two opposite sides of the connecting block and locking blocks screwed with the two threaded rods respectively, and two opposite ends of the semicircular ring block are connected with the two threaded rods on the same side of the two connecting blocks in a sliding mode respectively.
Preferably, the closed casing is a corrosion-resistant steel liner.
The utility model has the advantages that: the utility model provides a high voltage power cable protector, through setting firmly two connecting blocks at seal tube one end interval, two halves annuliform piece sets up respectively in the relative both sides of two connecting blocks, two halves annuliform piece encloses to close the centre gripping space that is formed with the centre of a circle and seal the coincidence of sleeve line, the both ends of two semicircular annuliform pieces through two retaining members respectively with two connecting block fixed connection, it is fixed with the one end and the seal tube of cable, and simultaneously, two seal tube's the other end is via two at least fixed connection, alright with the cladding of the joint department of two cables between two seal tubes, the cracked phenomenon of joint department can not appear, and service life is prolonged.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a high-voltage power cable protection device of the present invention;
fig. 2 is a front view of a high voltage power cable guard of the present invention;
FIG. 3 is a cross-sectional view of the closure sleeve of the present invention;
fig. 4 is a front view of the protection tube of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples of which are set forth to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
The utility model provides a high voltage power cable protector, including setting firmly two protection unit 1 in two cable one ends respectively, two protection unit 1 supplies two through 2 fixed connection of two at least connecting pieces joint department of cable is by the cladding in two protection unit 1.
In this embodiment, the protection unit 1 includes a closed casing 11, two connection blocks 12 fixed at one end of the closed casing 11 at intervals, two semicircular ring blocks 13, and two locking members 14, the two semicircular ring blocks 13 are respectively disposed at two opposite sides of the two connection blocks 12, the two semicircular ring blocks 13 enclose a clamping space having a center coinciding with an axis of the closed casing 11, two ends of the two semicircular ring blocks 13 are respectively fixedly connected to the two connection blocks 12 through the two locking members 14, and one end of the cable is fixed in the clamping space.
In practical use, the inside of the closed sleeve 11 has a cavity, the other end of the closed sleeve 11 is provided with a fixed ring block 111, and the fixed ring block 111 is provided with at least two through holes 112 in the circumferential direction. In some embodiments, the fixing ring block 111, the two connecting blocks 12 and the closed casing 11 are integrally formed, and the closed casing 11 is made of a corrosion-resistant steel liner pipe, which has the mechanical strength of a steel pipe and the corrosion resistance of a plastic pipe, so that the service life of the plastic pipe under outdoor conditions can be prolonged. In other embodiments, the closing sleeve 11 may be made of other materials according to actual requirements.
On the basis of the scheme, the protection unit 1 further comprises a protection pipe 15, a heat insulation layer 151 is arranged in the protection pipe 15, and an anti-corrosion layer 153 is coated on the outer portion of the protection pipe 15. The protective tube 15 is made of corrosion-resistant vulcanized rubber materials, is soft in texture, can be easily deformed under the clamping of the two semicircular ring blocks 13, is good in fixing effect, and the heat insulation layer 151 can prevent the joint of the cable from being influenced by high-temperature weather.
Specifically, the two inward-bending side surfaces of the semicircular ring blocks 13 are provided with anti-slip lines, when the two semicircular ring blocks 13 enclose a clamping space formed by the two semicircular ring blocks to clamp the protective pipe 15, the two semicircular ring blocks 13 are tightly attached to the outer wall of the protective pipe 15, and the anti-slip lines can avoid the phenomenon of slipping during clamping.
Furthermore, because the cable is generally a cable similar to a rope formed by twisting several or several groups of wires, several wires need to be connected with each other when the cable is connected, several insulating sleeves 152 are arranged in the heat insulation layer 151, the number of the insulating sleeves 152 corresponds to that of the cable, and the cable is arranged in the insulating sleeves 152 in a penetrating manner. The mutual insulation between each group of wires can be effectively ensured.
In order to enhance the sealing performance of the joint, specifically, an annular groove is formed in the circumferential direction of the fixed ring block 111, a sealing ring 113 is arranged in the annular groove, the sealing ring 113 can be well realized, and the sealing of the joint of the two closed sleeves 11 avoids the condition that rainwater permeates from the joint of the two closed sleeves 11 to cause short circuit.
On the basis of the above scheme, the inner wall of one end of the closed sleeve 11 is provided with a water-swellable tape 114. Water-swellable tape 114 is rapidly swellable upon encountering water, sealing the through-hole at one end of closure sleeve 11, preventing the encountering of water into the interior of closure sleeve 11.
In this embodiment, the locking member 14 includes two threaded rods 141 fixed on two opposite sides of the connecting block 12 and locking blocks 142 screwed with the two threaded rods 141, and two opposite ends of the semicircular ring 13 are slidably connected with the two threaded rods 141 on the same side of the two connecting blocks 12.
The connecting member 2 is not limited to a specific structure as long as the two closed sleeves 11 can be fixed, and in this embodiment, the connecting member 2 includes a bolt 21 and a nut 22, and the bolt 21 is inserted into the through hole 112 of the two fixing ring blocks 111 and is screwed with the nut 22. In other embodiments, the connector 2 may also be a push-pull quick clamp.
The utility model has the advantages that:
the utility model provides a high voltage power cable protector, through setting firmly two connecting blocks at seal tube one end interval, two halves annuliform piece sets up respectively in the relative both sides of two connecting blocks, two halves annuliform piece encloses to close the centre gripping space that is formed with the centre of a circle and seal the coincidence of sleeve line, the both ends of two semicircular annuliform pieces through two retaining members respectively with two connecting block fixed connection, it is fixed with the one end and the seal tube of cable, and simultaneously, two seal tube's the other end is via two at least fixed connection, alright with the cladding of the joint department of two cables between two seal tubes, the cracked phenomenon of joint department can not appear, and service life is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A high-voltage power cable protection device is characterized by comprising two protection units which are fixedly arranged at one ends of two cables respectively, the two protection units are fixedly connected through at least two connecting pieces, and joints of the two cables are coated in the two protection units,
the protection unit comprises a closed sleeve, two connecting blocks, two semicircular ring blocks and two locking pieces, wherein the two connecting blocks, the two semicircular ring blocks and the two locking pieces are fixedly arranged at one end of the closed sleeve at intervals, the two semicircular ring blocks are respectively arranged at two opposite sides of the two connecting blocks, the two semicircular ring blocks are enclosed to form a clamping space with the center of a circle and the axis of the closed sleeve coincident, and the two ends of the semicircular ring blocks are respectively fixedly connected with the two connecting blocks through the two locking pieces and are used for fixing one end of a cable in the clamping space.
2. A high voltage power cable guard according to claim 1, wherein the guard unit further comprises a guard tube, inside which a thermally insulating layer is arranged.
3. The device according to claim 2, wherein a plurality of insulating sleeves are arranged in the insulating layer, the number of the insulating sleeves corresponds to the number of the cables, and the cables are arranged in the insulating sleeves.
4. A high voltage power cable guard according to claim 3, wherein the outside of the guard tube is coated with a corrosion resistant layer.
5. The high-voltage power cable protection device according to claim 1, wherein the connecting member comprises a bolt and a nut, the other end of the closed sleeve is provided with a fixed ring block, at least two through holes are circumferentially arranged on the fixed ring block, and the bolt is arranged in the through holes on the two fixed ring blocks in a penetrating manner and is screwed with the nut.
6. A high voltage power cable guard according to claim 1, wherein the inwardly curved sides of the two semicircular ring blocks are provided with anti-slip threads.
7. A high voltage power cable guard according to claim 5, wherein the retaining ring block is provided with an annular groove in the circumferential direction, and wherein a sealing ring is provided in the annular groove.
8. A high voltage power cable protector according to claim 1 wherein the inner wall of the closed sleeve at one end is provided with a water swellable tape.
9. The device as claimed in claim 1, wherein the locking member comprises two threaded rods fixedly disposed at opposite sides of the connecting block and a locking block screwed to the two threaded rods, and opposite ends of the semicircular ring block are slidably connected to the two threaded rods at the same side of the connecting block.
10. A high voltage power cable guard according to claim 1, wherein the closure sleeve is a corrosion resistant steel liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220887505.4U CN217115599U (en) | 2022-04-13 | 2022-04-13 | High-voltage power cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220887505.4U CN217115599U (en) | 2022-04-13 | 2022-04-13 | High-voltage power cable protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217115599U true CN217115599U (en) | 2022-08-02 |
Family
ID=82582962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220887505.4U Active CN217115599U (en) | 2022-04-13 | 2022-04-13 | High-voltage power cable protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217115599U (en) |
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2022
- 2022-04-13 CN CN202220887505.4U patent/CN217115599U/en active Active
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