CN212751765U - Protection device for remote power transmission line - Google Patents
Protection device for remote power transmission line Download PDFInfo
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- CN212751765U CN212751765U CN202021384065.8U CN202021384065U CN212751765U CN 212751765 U CN212751765 U CN 212751765U CN 202021384065 U CN202021384065 U CN 202021384065U CN 212751765 U CN212751765 U CN 212751765U
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- hoop
- cable
- transmission line
- protection device
- ring
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Abstract
The utility model belongs to the technical field of long distance transmission of electricity and specifically relates to a protection device of long distance transmission line is related to, it includes the cable guard box, the both sides correspondence of cable guard box is seted up and is supplied two cables to wear the through-hole of incasement respectively, week side of two cables is hooped respectively and is equipped with the inside that clamp and clamp all are located the cable guard box, week side of two clamps is gone up an organic whole and is set firmly a plurality of solid fixed rings, and the axial of a plurality of solid fixed rings is all parallel with the cable axis, all be provided with taut subassembly between per two solid fixed rings of relative setting in week side of two clamps. This application has the effect that improves the linking stability of cable junction.
Description
Technical Field
The application relates to the field of long-distance power transmission, in particular to a protection device for a long-distance power transmission line.
Background
At present, when a cable transmits signals remotely, the strength of the cable is not enough, so that the cable is easily damaged or broken, the transmission of the signals is influenced, and in order to strengthen the strength of the cable, the signal is ensured not to be interfered by the outside, and a reasonable cable protection structure is needed.
Now, a Chinese patent with a patent publication number of CN202905224U is searched, and a protection device for a long-distance power transmission line is disclosed, which comprises an outer layer sheath, an outer insulation reinforcing layer, a shielding layer and an inner insulation reinforcing layer; wherein: the outer sheath is a tubular plastic material part, the outer insulation reinforcing layer is tubular, a nylon reinforcing wire is arranged in the tube wall, the shielding layer is of a metal structure, the inner insulation reinforcing layer is tubular, and the nylon reinforcing wire is arranged in the tube wall; the outer sheath, the outer insulation reinforcing layer, the shielding layer and the inner insulation reinforcing layer are sequentially sleeved together from outside to inside, and the cable is arranged inside the inner insulation reinforcing layer.
For the above related technologies, the inventor thinks that the connection of the two cables is fragile after connection, and the two cables are not protected during the stretching and drawing of the line, and have the defects of loose joint, poor contact and poor signal transmission stability.
SUMMERY OF THE UTILITY MODEL
In order to improve the linking stability of cable junction, this application provides a protection device of remote transmission line.
The application provides a protection device of remote transmission line adopts following technical scheme:
the utility model provides a remote transmission line's protection device, includes the cable protection case, the both sides correspondence of cable protection case is seted up and is supplied two cables to wear the through-hole of incasement respectively, and the week side of two cables is hooped respectively and is equipped with clamp and all is located the inside of cable protection case, two the week side of clamp is gone up an organic whole and is set firmly a plurality of solid fixed rings, and a plurality of gu fixed ring's axial all is parallel with the cable axis, in two the relative per two that sets up in the week side of clamp all be provided with taut subassembly between the solid fixed ring.
Through adopting above-mentioned technical scheme, maintenance person inserts the incasement from the through-hole of cable guard box respectively with two cables of treating, then connects two cables at the incasement, and the both ends that connect the end overlap respectively on the week side of cable and establish the clamp, and the straining gradually, wear out the one end with take-up assembly from the solid fixed ring of clamp afterwards and insert in the fixed ring that connects to another clamp, then locking gradually makes two clamps be close to each other, with the fastness of consolidating cable joint department, power transmission's stability has been improved.
Preferably, the tensioning assembly comprises a first screw rod and a fixing nut, the first screw rod is T-shaped, one end of the first screw rod penetrates through the two step surfaces of the fixing ring and the first screw rod respectively and abuts against the end surface of the fixing ring, the fixing nut is in threaded connection with the first screw rod on the side of the periphery away from the head of the first screw rod, and one end of the fixing nut is rotated and abutted against the end surface of the fixing ring.
Through adopting above-mentioned technical scheme, through revolving to twist fixation nut, stretch out gradually at the head of first screw rod, the step face supports tightly down gradually, and two clamps drag two cables in step and are close to each other, have improved the pulling force of joint department along the axis direction, make the bulk strength of cable higher.
Preferably, the clamp includes the hoop strip, the integrative extension of one end of hoop strip has set firmly the hoop rail, T type groove has inwards been seted up to the perpendicular surface of hoop rail, T type groove in the both ends of hoop rail are uncovered setting, the surface of hoop strip with the bottom surface in T type groove flushes, the other end of hoop strip slides and wears to locate T type inslot and tie up and be the annular, the hoop strip outside with still be equipped with between the hoop rail and be used for injecing the retaining member of the tight limit of hoop strip bundle.
By adopting the technical scheme, a maintainer winds the hoop strip around the cable, inserts one end of the hoop strip from the opening end of the T-shaped groove of the hoop rail, and gradually tightens the hoop strip on the periphery of the cable under the matching of the locking piece, so that the structure is simple and the installation is rapid; the cable of different models, different diameters can be tightly wrapped up to adopt the hoop, and the commonality is higher.
Preferably, the retaining member includes and sets firmly perpendicularly the epitaxial ring of the opening tip of hoop rail, the week side of hoop strip keep away from in the one end of hoop rail has set firmly the spacing ring perpendicularly, wear to be equipped with in the spacing ring one with ring inner wall threaded connection's second screw rod.
Through adopting above-mentioned technical scheme, through revolving to twist the second screw rod, the pole portion of second screw rod extends the other end from ring one end gradually, and the fastness of cramping is higher.
Preferably, the opening width of the T-shaped groove is smaller than the diameter of the fixing ring.
Through adopting above-mentioned technical scheme, solid fixed ring can get into the T type inslot of hoop track when adjusting, has further improved the locking degree of hoop strip.
Preferably, a plurality of rubber sheets are fixedly arranged on the inner wall of the through hole along the radial direction of the through hole.
Through adopting above-mentioned technical scheme, when the cable inserts from the through-hole, the surperficial butt gradually of polylith sheet rubber has increased the frictional force between cable guard box and the cable on week side of cable, and it is more firm to peg graft, has certain positioning action to the maintenance personal docks two cables.
Preferably, the rubber sheets are in a fan-shaped ring shape, and the side walls of the adjacent rubber sheets are not mutually abutted.
Through adopting above-mentioned technical scheme, the adaptable cable of different diameters of polylith sheet rubber, deformability is stronger, and inserts back sheet rubber and turns over its surface and cable week side and closely contradict, makes the cable of inserting not torn out easily, and the fastness is higher.
Preferably, one side of the cable protection box is arranged in an opening manner, and the opening extension of the cable protection box is hinged with a closing plate.
Through adopting above-mentioned technical scheme, the adding of cable guard box establishes to make the clamp be in relative confined space, reducible external environment to cable joint department and the influence of clamp, increase of service life.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hooping strips are respectively wound on the peripheral sides of the two connected cables, the end parts of the hooping strips are inserted into the hooping rail, the end parts of the second screws penetrate through the limiting rings and are connected into the circular rings in a threaded mode to be hooped tightly, then the fixing nuts are screwed, the head parts of the first screws gradually extend out, the step surfaces gradually abut tightly, the two hoops synchronously drag the two cables to be close to each other, and therefore firmness of cable joints is improved;
2. through add on the inner wall at the through-hole and establish polylith sheet rubber, make the cable of the adaptable different diameters of polylith sheet rubber, deformability is stronger, and inserts the back sheet rubber and turns over its surface and cable week side and closely contradict, makes the cable of inserting not torn out easily, and the fastness is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a perspective view of the cable protection box removed.
Reference numerals: 1. a cable protection box; 2. a closing plate; 3. a through hole; 4. a rubber sheet; 5. clamping a hoop; 51. a hoop strip; 52. a hoop rail; 6. a T-shaped groove; 7. a fixing ring; 8. a tension assembly; 81. a first screw; 82. fixing a nut; 9. a locking member; 91. a circular ring; 92. a limiting ring; 93. a second screw.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the application discloses a protection device for a remote power transmission line, which comprises a cable protection box 1, wherein one side of the cable protection box 1 is provided with an opening, a closing plate 2 is hinged on the extension of the opening, a handle is fixedly arranged on the surface of the closing plate 2, and lock catches which are mutually buckled are arranged on the extensions of the closing plate 2 and the cable protection box 1; the through holes 3 for two cables to respectively penetrate into the cable protection box 1 are correspondingly formed in the two-phase side walls opposite to the opening, the cable protection box 1 can be located in a relatively closed space, the influence of the external environment on the cable joint can be reduced, and the service life of the cable can be prolonged.
Referring to fig. 1, a plurality of rubber sheets 4 are fixedly arranged on the inner wall of the through hole 3 along the radial direction of the through hole, the rubber sheets 4 are in a fan-shaped ring shape, the plurality of rubber sheets 4 can adapt to cables with different diameters, and the rubber has strong deformation capacity; the lateral wall of two adjacent rubber sheets 4 all does not contradict each other, inserts the back when the cable from through-hole 3, and rubber sheet 4 turns over its surface of rolling over and closely contradicts with the week side of cable, has increased the frictional force between cable guard box 1 and the cable, makes the male cable not torn easily, and the fastness is higher to maintenance personal treats two and links up the cable butt joint.
Referring to fig. 2, the circumferential sides of the two cables are respectively provided with a hoop 5, and the hoops 5 are located inside the cable protection box 1; the hoop 5 comprises a hoop strip 51, a hoop rail 52 is fixedly arranged at one end of the hoop strip 51 in an extending mode, the hoop rail 52 is in a fan-shaped ring shape, a T-shaped groove 6 is vertically and inwards formed in the outer arc surface of the hoop rail 52, the T-shaped groove 6 is arranged at two ends of the hoop rail 52 in an opening mode, the surface of the hoop strip 51 is flush with the bottom surface of the T-shaped groove 6, the other end of the hoop strip 51 penetrates through the T-shaped groove 6 in a sliding mode and is bundled to be annularly wound on the peripheral side of a cable, and a locking piece 9 used for limiting the bundling limit of the hoop strip 51 is further arranged between the outer side of the; a maintainer winds the hoop strip 51 around the periphery of the cable, inserts one end of the hoop strip 51 from the opening end of the T-shaped groove 6 of the hoop rail 52, and gradually tightens on the periphery of the cable under the matching of the locking piece 9, so that the structure is simple and the installation is rapid; the hoop strip 51 can be used for tightly wrapping cables of different types and different diameters, and the universality is higher.
Referring to fig. 2, the locking member 9 includes a circular ring 91 vertically fixed on the opening end of the hoop rail 52, a thread is provided on the inner wall of the circular ring 91, a limiting ring 92 is vertically fixed on one end of the hoop rail 52 away from the circumferential side of the hoop strip 51, a second screw 93 in threaded connection with the inner wall of the circular ring 91 penetrates through the limiting ring 92, by screwing the second screw 93, the rod portion of the second screw 93 gradually extends out of the other end of the circular ring 91, and the hooping firmness is higher; the opening width of the T-shaped groove 6 is smaller than the diameter of the fixing ring 7, and when the fixing ring 7 is adjusted, the fixing ring can directly enter the T-shaped groove 6 of the hoop rail 52, so that the locking degree of the hoop strip 51 is further improved.
Referring to fig. 2, three fixing rings 7 are fixedly arranged on the end surfaces of the two hoop strips 51 far away from the cable winding surface, the axial direction of each fixing ring 7 is parallel to the axis of the cable, and a tensioning assembly 8 is arranged between each two fixing rings 7 oppositely arranged on the peripheral sides of the two hoops 5; tensioning assembly 8 includes first screw rod 81 and fixation nut 82, first screw rod 81 is the T style of calligraphy, two solid fixed ring 7 and first screw rod 81's step face butt in solid fixed ring 7's terminal surface are passed respectively to first screw rod 81's one end, fixation nut 82 threaded connection is on first screw rod 81 keeps away from the week side of its head, fixation nut 82's one end is rotated and is contradicted at solid fixed ring 7 terminal surface, through twisting fixation nut 82, the head at first screw rod 81 stretches out gradually, the step face supports tightly down gradually, two clamps 5 drag two cables in step and be close to each other, the pulling force along the axis direction in joint department has been improved, make the bulk strength of cable higher.
The implementation principle of the embodiment is as follows: the maintenance personal inserts the incasement from cable protection case 1's through-hole 3 respectively with two cables of treating to connect, then connect two cables at the incasement, twine stirrup 51 on the week side of two cables that meet respectively, peg graft into hoop rail 52 with stirrup 51 tip and second screw rod 93 tip pass spacing ring 92 threaded connection to ring 91 in cramping, then twist and twist fixation nut 82, stretch out gradually at first screw rod 81's head, the step face supports tightly down gradually, two clamps 5 drag two cables in step and are close to each other, with the fastness of reinforcing cable joint department, power transmission's stability has been improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a protection device of long distance transmission line, includes cable protection case (1), its characterized in that: the both sides of cable protection case (1) correspond and offer through-hole (3) that supply two cables to wear the incasement respectively, and the week side of two cables is hooped respectively and is equipped with clamp (5) and all is located the inside of cable protection case (1), two an organic whole has set firmly a plurality of solid fixed rings (7) in week side of clamp (5), and is a plurality of the axial of solid fixed ring (7) all is parallel with the cable axis, in two every two that clamp (5) week side set up relatively all be provided with take-up assembly (8) between solid fixed ring (7).
2. The protection device for a long-distance power transmission line according to claim 1, characterized in that: tensioning element (8) include first screw rod (81) and fixation nut (82), first screw rod (81) are the T style of calligraphy, the one end of first screw rod (81) is passed two respectively the step face butt of solid fixed ring (7) and first screw rod (81) in the terminal surface of solid fixed ring (7), fixation nut (82) threaded connection in on first screw rod (81) keep away from the week side of its head, the one end of fixation nut (82) is rotated and is contradicted gu fixed ring (7) terminal surface.
3. The protection device for a long-distance power transmission line according to claim 2, characterized in that: hoop (5) are including hoop (51), the integrative extension of one end of hoop (51) has set firmly hoop rail (52), T type groove (6) have inwards been seted up to the perpendicular surface of hoop rail (52), T type groove (6) in the both ends of hoop rail (52) are uncovered setting, the surface of hoop (51) with the bottom surface of T type groove (6) flushes, the other end of hoop (51) slides and wears to locate just tie up in T type groove (6) and be the annular, the hoop (51) outside with still be equipped with between hoop rail (52) and be used for injecing retaining member (9) of the tight limit of hoop (51) bundle.
4. A protection device for a long distance electric transmission line according to claim 3, characterized in that: retaining member (9) are including setting firmly perpendicularly the epitaxial ring (91) of opening end of hoop rail (52), the week side of hoop strip (51) is kept away from in the one end of hoop rail (52) has set firmly spacing ring (92) perpendicularly, wear to be equipped with in spacing ring (92) one with ring (91) inner wall threaded connection's second screw rod (93).
5. The protection device for a long-distance power transmission line according to claim 4, characterized in that: the opening width of the T-shaped groove (6) is smaller than the diameter of the fixing ring (7).
6. The protection device for a long-distance power transmission line according to claim 1, characterized in that: and a plurality of rubber sheets (4) are fixedly arranged on the inner wall of the through hole (3) along the radial direction of the through hole.
7. The protection device for a long-distance power transmission line according to claim 6, characterized in that: the rubber sheets (4) are in a fan-shaped ring shape, and the side walls of the adjacent rubber sheets (4) are not mutually abutted.
8. The protection device for a long-distance power transmission line according to claim 1, characterized in that: one side of the cable protection box (1) is provided with an opening, and the opening extension of the cable protection box is hinged with a closing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384065.8U CN212751765U (en) | 2020-07-14 | 2020-07-14 | Protection device for remote power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021384065.8U CN212751765U (en) | 2020-07-14 | 2020-07-14 | Protection device for remote power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212751765U true CN212751765U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021384065.8U Active CN212751765U (en) | 2020-07-14 | 2020-07-14 | Protection device for remote power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212751765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315084A (en) * | 2021-05-31 | 2021-08-27 | 国网河北省电力有限公司曲周县供电分公司 | Power cable butt joint protection device |
| CN113470878A (en) * | 2021-06-24 | 2021-10-01 | 武汉金牌电工股份有限公司 | Halogen-free flame-retardant cable capable of being disassembled and assembled in sections and installation method thereof |
-
2020
- 2020-07-14 CN CN202021384065.8U patent/CN212751765U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315084A (en) * | 2021-05-31 | 2021-08-27 | 国网河北省电力有限公司曲周县供电分公司 | Power cable butt joint protection device |
| CN113315084B (en) * | 2021-05-31 | 2022-07-22 | 国网河北省电力有限公司曲周县供电分公司 | Power cable butt joint protection device |
| CN113470878A (en) * | 2021-06-24 | 2021-10-01 | 武汉金牌电工股份有限公司 | Halogen-free flame-retardant cable capable of being disassembled and assembled in sections and installation method thereof |
| CN113470878B (en) * | 2021-06-24 | 2022-07-12 | 武汉金牌电工股份有限公司 | Halogen-free flame-retardant cable capable of being disassembled and assembled in sections and installation method thereof |
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