CN220672274U

CN220672274U - Crosslinked polyethylene insulation halogen-free low-smoke environment-friendly power cable

Info

Publication number: CN220672274U
Application number: CN202322377698.6U
Authority: CN
Inventors: 孙勇; 何正国; 何晓舒
Original assignee: Anhui Yuante Cable Co ltd
Current assignee: Anhui Yuante Cable Co ltd
Priority date: 2023-09-03
Filing date: 2023-09-03
Publication date: 2024-03-26
Anticipated expiration: 2033-09-03

Abstract

The utility model discloses a crosslinked polyethylene insulation halogen-free low-smoke environment-friendly power cable, which particularly relates to the field of power cables, and comprises a plurality of copper conductors, wherein the outer walls of the copper conductors are wrapped with crosslinked polyethylene insulation, dust-free rock cotton rope filling ropes are arranged on the outer walls of the crosslinked polyethylene insulation, a cable-forming PVC (polyvinyl chloride) belt wrapping inner liner layer is wrapped on the outer walls of the dust-free rock cotton rope filling ropes, galvanized steel tape armor is wrapped on the outer walls of the cable-forming PVC belt wrapping inner liner layer, polyolefin sheaths are wrapped on the outer walls of the galvanized steel tape armor, and triangular support mechanisms are arranged on the outer walls of the polyolefin sheaths and comprise two triangular support frames arranged on the outer walls of the polyolefin sheaths; according to the utility model, the triangular supporting mechanism is arranged, and the triangular supporting frame is arranged on the outer wall of the cable, so that when the cable is placed in parallel, the cable is kept parallel and stable through the supporting frame, and the cable can be stably placed at the placed position, so that the cable is prevented from moving randomly.

Description

Crosslinked polyethylene insulation halogen-free low-smoke environment-friendly power cable

Technical Field

The utility model relates to the technical field of power cables, in particular to a crosslinked polyethylene insulation halogen-free low-smoke environment-friendly power cable.

Background

The cable is made of one or more mutually insulated conductors and an external insulating protective layer, and is used for transmitting power or information from one place to another place, the cable has the characteristics of internal conduction and external insulation, and the traditional cable is installed in a direct laying mode, so that the situation of autorotation offset is easily generated due to direct parallel placement due to no supporting structure in the cable laying process, and the cable cannot be stabilized at a certain position, and the cable can be moved randomly to influence the laying installation effect;

in view of the technical drawbacks described above, a solution is now provided.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the crosslinked polyethylene insulation halogen-free low-smoke environment-friendly power cable, which is characterized in that a triangular supporting mechanism is arranged, and a triangular supporting frame is arranged on the outer wall of the cable, so that when the cable is placed in parallel, the cable is kept parallel and stable through the supporting frame and can be stabilized at the placed position, and the cable is prevented from moving randomly, so that the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steamed low cigarette environmental protection type power cable of crosslinked polyethylene insulation, includes a plurality of copper conductors, a plurality of copper conductor's outer wall parcel has crosslinked polyethylene insulation, a plurality of crosslinked polyethylene insulation's outer wall is provided with dustless rock wool rope and packs the rope, dustless rock wool rope packs the rope and packs the outer wall parcel that the rope was packed and has the cable PVC area to wrap up the inner liner, the cable PVC area is wrapped up the outer wall of wrapping up the inner liner and is wrapped up the galvanized steel tape armor, galvanized steel tape armor's outer wall parcel has the polyolefin sheath, the outer wall of polyolefin sheath is provided with triangle supporting mechanism;

the triangular support mechanism comprises two triangular support frames arranged on the outer wall of a polyolefin sheath, wherein the outer walls of the triangular support frames are respectively and fixedly provided with a threaded locking ring, the inner walls of the threaded locking rings are respectively and fixedly connected with screws, the inner walls of the triangular support frames are respectively and fixedly provided with a fixed lantern ring, the inner walls of the fixed lantern rings are fixedly provided with clamping rings, the outer walls of the clamping rings are provided with clamping grooves, the clamping grooves are formed in the outer wall of the polyolefin sheath, the outer walls of the triangular support frames are respectively and fixedly provided with a plurality of through holes, and the inner walls of the through holes are slidably provided with ejector pins.

In a preferred embodiment, a top plate is fixedly installed on one side of each thimble, a limit spring is fixedly installed on the outer wall of the top plate, the limit spring is fixedly installed on the inner wall of each through hole, the top plate and the thimble are arranged in a mutually perpendicular mode, the area of the top plate is larger than that of the thimble, and the top plate and the outer wall of the triangular support frame are arranged in a mutually parallel mode.

In a preferred embodiment, the inner wall of the thimble is provided with a locking mechanism, the locking mechanism comprises a hole groove formed in the inner wall of the thimble, a magnet sleeve is fixedly arranged on the inner wall of the hole groove, a metal nail is arranged on the inner wall of the magnet sleeve, two ends of the metal nail are pointed, and the length of the metal nail is larger than that of the thimble.

In a preferred embodiment, the two triangular supports are symmetrically arranged, the inner walls of the two triangular supports are mutually attached to the outer wall of the polyolefin sheath, and the shape of the two triangular supports is triangle.

In a preferred embodiment, the plurality of thimbles are arranged in an annular equidistant manner on the outer circumferential surfaces of the two triangular supports, the plurality of thimbles are arranged perpendicular to the two triangular supports, the lengths of the plurality of thimbles correspond to the thicknesses of the two triangular supports, and one sides of the plurality of thimbles are attached to the outer wall of the polyolefin sheath.

The utility model has the technical effects and advantages that:

1. according to the utility model, the triangular support mechanism is arranged, the two triangular support frames are spliced to form the triangular structure frame, the triangular structure frame is locked, and then the triangular support structure formed by the triangular support frames is clamped into the clamping groove through the clamping ring, so that the triangular support structure can freely rotate on the outer wall of the polyolefin sheath, the polyolefin sheath is placed at a position required to be installed, the state of the triangular support frames is automatically adjusted by the polyolefin sheath, one side of the triangular support frames is in parallel contact with the ground, the ejector pins are extruded by the top plate and are retracted into the triangular support frames through the plurality of through holes, the tops of the plurality of ejector pins are propped against the outer wall of the polyolefin sheath through the plurality of through holes, and the polyolefin sheath is clamped, so that the cable is kept parallel and stable on the ground, and random movement of the cable is avoided.

2. According to the utility model, the metal nails are kept on the inner wall of the thimble through the magnet sleeve by arranging the nail locking mechanism, after the thimble is pressed and moved upwards, as the metal nails are longer than the thimble, after the thimble is propped against the outer wall of the polyolefin sheath, the metal nails synchronously prop against the outer wall of the polyolefin sheath, and the metal nails are blocked to move downwards and penetrate into the ground through the bottom of the bottom extending out of the magnet sleeve, so that the bottom of the thimble can be fixed with the ground, namely, a cable is stabilized, and the random movement of the cable is avoided.

Drawings

Fig. 1 is a cross-sectional view of a cable according to the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is a partial cross-sectional view of the present utility model.

Fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.

Fig. 5 is an enlarged view of the B-section structure of fig. 3 according to the present utility model.

The reference numerals are: 1. a copper conductor; 2. insulating crosslinked polyethylene; 3. filling dust-free rock wool rope filling ropes; 4. wrapping the inner liner layer by a cabled PVC belt; 5. zinc-plated steel strip armoring; 6. a polyolefin sheath; 7. a triangular support mechanism; 71. triangular support frames; 72. a threaded locking ring; 73. a screw; 74. a fixed collar; 75. a clasp; 76. a through hole; 77. a thimble; 78. a top plate; 79. a limit spring; 8. a staple lock mechanism; 81. a magnet sleeve; 82. and (5) metal nails.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5 of the specification, a cross-linked polyethylene insulated halogen-free low-smoke environment-friendly power cable, as shown in fig. 1 and 2, comprises a plurality of copper conductors 1, wherein the outer walls of the copper conductors 1 are wrapped with cross-linked polyethylene insulation 2, dust-free rock cotton rope filling ropes are filled 3 on the outer walls of the cross-linked polyethylene insulation 2, a cabled PVC (polyvinyl chloride) tape wrapping inner liner 4 is wrapped on the outer walls of the dust-free rock cotton rope filling ropes filled 3, a galvanized steel tape armor 5 is wrapped on the outer walls of the cabled PVC tape wrapping inner liner 4, a polyolefin sheath 6 is wrapped on the outer walls of the galvanized steel tape armor 5, and a triangular supporting mechanism 7 is arranged on the outer walls of the polyolefin sheath 6;

as shown in fig. 2 and 3, the triangular support mechanism 7 comprises two triangular support frames 71 arranged on the outer wall of the polyolefin sheath 6, the outer walls of the two triangular support frames 71 are respectively and fixedly provided with a threaded locking ring 72, the inner walls of the two threaded locking rings 72 are connected with screws 73 in a threaded manner, the two triangular support frames 71 are mutually adjacent to each other to be spliced into a triangular structure frame by aligning the two triangular support frames 71 with the clamping groove positions of the outer wall of the polyolefin sheath 6, and the two triangular support frames 71 are locked by screwing the screws 73 into the two threaded locking rings 72;

as shown in fig. 3 and fig. 4, the inner walls of the two triangular supports 71 are respectively and fixedly provided with a fixed collar 74, the inner walls of the two fixed collars 74 are fixedly provided with a clamping groove, the outer walls of the two clamping collars 75 are provided with clamping grooves, the clamping grooves are formed in the outer walls of the polyolefin sheaths 6, the outer walls of the two triangular supports 71 are provided with a plurality of through holes 76, the inner walls of the plurality of through holes 76 are slidably provided with ejector pins 77, the clamping rings 75 are driven to be clamped into the clamping grooves by locking the two triangular supports 71, the triangular support structure formed by the two triangular supports 71 can freely rotate on the outer walls of the polyolefin sheaths 6, the polyolefin sheaths 6 are placed at positions required to be installed, the state of the triangular supports 71 is automatically adjusted by the polyolefin sheaths 6, one side of the triangular supports 71 is in parallel contact with the ground, and simultaneously, the plurality of ejector pins 77 on one side of the triangular supports 71 are extruded to be retracted into the triangular supports 71 through the plurality of through holes 76, and the tops of the ejector pins 77 are propped against the outer walls of the polyolefin sheaths 6, so that the cable is clamped to the polyolefin sheaths 6, and the cable is kept parallel and stable, and the cable is prevented from moving at random.

As shown in fig. 3 and 4, a top plate 78 is fixedly installed on one side of the plurality of ejector pins 77, a limit spring 79 is fixedly installed on the outer wall of the top plate 78, the limit spring 79 is fixedly installed on the inner wall of the through hole 76, the top plate 78 and the ejector pins 77 are mutually perpendicular, the area of the top plate 78 is larger than that of the ejector pins 77, the top plate 78 and the outer wall of the triangular support 71 are mutually parallel, the triangular support 71 is close to the ground to drive the top plate 78 to contact, the ejector pins 77 are extruded by the top plate 78 to move, the limit spring 79 is compressed by the top plate 78, and the contact area between the top plate 78 and the ground is larger and more stable.

As shown in fig. 3 and 5, the inner wall of the thimble 77 is provided with a locking mechanism 8, the locking mechanism 8 comprises a hole groove formed in the inner wall of the thimble 77, a magnet sleeve 81 is fixedly mounted on the inner wall of the hole groove, a metal nail 82 is arranged on the inner wall of the magnet sleeve 81, two ends of the metal nail 82 are pointed, the length of the metal nail 82 is larger than that of the thimble 77, the metal nail 82 is kept on the inner wall of the thimble 77 through the magnet sleeve 81, after the thimble 77 is pressed upwards, the metal nail 82 is longer than the thimble 77, after the thimble 77 is propped against the outer wall of the polyolefin sheath 6, the metal nail 82 is synchronously propped against the outer wall of the polyolefin sheath 6, and the metal nail 82 is blocked to downwards move so as to extend out of the bottom of the magnet sleeve 81 through the bottom, so that the metal nail 82 can be pricked into the ground, and the bottom of the thimble 77 can be fixed with the ground, namely, a cable is stabilized, and random movement of the cable is avoided.

As shown in fig. 2 and 3, the two triangular supports 71 are symmetrically arranged, the inner walls of the two triangular supports 71 are mutually attached to the outer wall of the polyolefin sheath 6, the two triangular supports 71 are triangular, and the two triangular supports 71 are mutually spliced on the outer wall of the polyolefin sheath 6 to form a complete triangle, so that the whole triangular supports 71 support the polyolefin sheath 6.

As shown in fig. 3, the plurality of thimbles 77 are arranged in an annular equidistant manner on the outer circumferential surfaces of the two triangular supports 71, the plurality of thimbles 77 are arranged perpendicular to the two triangular supports 71, the lengths of the plurality of thimbles 77 correspond to the thicknesses of the two triangular supports 71, one sides of the plurality of thimbles 77 are attached to the outer wall of the polyolefin sheath 6, and the plurality of thimbles 77 are uniformly distributed on the outer wall of the two triangular supports 71, so that the two triangular supports 71 can be supported stably regardless of whether the surface of the two triangular supports 71 is attached to the ground.

The working process and principle of the utility model are as follows:

the two triangular supports 71 are aligned with the clamping groove of the outer wall of the polyolefin sheath 6, the two triangular supports 71 are mutually close to each other to be spliced into a triangular structure frame, the two triangular supports 71 are locked by screwing the screws 73 into the two screw lock rings 72, the clamping rings 75 are driven to be clamped into the clamping grooves by the locking of the two triangular supports 71, the triangular support structure formed by the two triangular supports 71 can freely rotate on the outer wall of the polyolefin sheath 6, the polyolefin sheath 6 is placed at the position required to be installed, the state of the triangular supports 71 is automatically adjusted by the polyolefin sheath 6, one side of the triangular supports 71 is contacted with the ground in parallel, the top plate 78 is driven to contact the ground, the top plate 78 is extruded by the top plate 78 to move, the top plate 78 compresses the limiting spring 79, and the contact area of the top plate 78 and the ground is larger and more stable;

meanwhile, the plurality of ejector pins 77 on one side of the triangular support frame 71 contacting the ground are extruded to be retracted into the triangular support frame 71 through the plurality of through holes 76, and the tops of the plurality of ejector pins 77 are propped against the outer wall of the polyolefin sheath 6 through the plurality of through holes 76, so that the polyolefin sheath 6 is clamped, the cables are kept parallel and stable, and the cables are prevented from moving randomly; meanwhile, the metal nails 82 are kept on the inner wall of the thimble 77 through the magnet sleeve 81, after the thimble 77 is pressed and moved upwards, as the metal nails 82 are longer than the thimble 77, after the thimble 77 is propped against the outer wall of the polyolefin sheath 6, the metal nails 82 are synchronously propped against the outer wall of the polyolefin sheath 6, and the metal nails 82 are blocked to move downwards and extend out of the bottom of the magnet sleeve 81 through the bottom, the metal nails 82 can be pricked into the ground, so that the bottom of the thimble 77 can be fixed with the ground, namely, a cable is stabilized, and the random movement of the cable is avoided.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a crosslinked polyethylene insulation does not have steamed low cigarette environmental protection type power cable, includes a plurality of copper conductors (1), its characterized in that: the outer walls of the copper conductors (1) are wrapped with cross-linked polyethylene insulation (2), dust-free rock cotton rope filling ropes are arranged on the outer walls of the cross-linked polyethylene insulation (2) to be filled with (3), the outer walls of the dust-free rock cotton rope filling ropes to be filled with (3) are wrapped with a cable-forming PVC (polyvinyl chloride) belt wrapping inner liner (4), the outer walls of the cable-forming PVC belt wrapping inner liner (4) are wrapped with galvanized steel tape armors (5), the outer walls of the galvanized steel tape armors (5) are wrapped with polyolefin sheaths (6), and triangular supporting mechanisms (7) are arranged on the outer walls of the polyolefin sheaths (6);

the triangular support mechanism (7) comprises two triangular support frames (71) arranged on the outer wall of a polyolefin sheath (6), wherein the outer wall of each triangular support frame (71) is fixedly provided with a threaded lock ring (72), the inner wall of each threaded lock ring (72) is in threaded connection with a screw (73), the inner wall of each triangular support frame (71) is fixedly provided with a fixed lantern ring (74), the inner wall of each fixed lantern ring (74) is fixedly provided with a clamping ring (75), the outer wall of each clamping ring (75) is provided with a clamping groove, the clamping grooves are formed in the outer wall of the polyolefin sheath (6), the outer wall of each triangular support frame (71) is provided with a plurality of through holes (76), and the inner walls of the through holes (76) are slidably provided with ejector pins (77).

2. The crosslinked polyethylene insulated halogen-free low-smoke environment-friendly power cable according to claim 1, wherein the power cable comprises: one side fixed mounting of a plurality of thimble (77) has roof (78), the outer wall fixed mounting of roof (78) has spacing spring (79), spacing spring (79) fixed mounting is at the inner wall of through-hole (76), roof (78) are mutually perpendicular setting with thimble (77), the area of roof (78) is greater than the area of thimble (77), the outer wall of roof (78) and triangular support frame (71) is mutual parallel arrangement.

3. The crosslinked polyethylene insulated halogen-free low-smoke environment-friendly power cable according to claim 2, wherein the power cable comprises: the inner wall of thimble (77) is provided with nail lock mechanism (8), nail lock mechanism (8) are including seting up the hole groove at thimble (77) inner wall, the inner wall fixed mounting in hole groove has magnet sleeve (81), the inner wall of magnet sleeve (81) is equipped with metal nail (82), the both ends of metal nail (82) are pointed cone form, the length of metal nail (82) is greater than the length of thimble (77).

4. The crosslinked polyethylene insulated halogen-free low-smoke environment-friendly power cable according to claim 1, wherein the power cable comprises: the two triangular supports (71) are symmetrically arranged, the inner walls of the two triangular supports (71) are mutually attached to the outer wall of the polyolefin sheath (6), and the shapes of the two triangular supports (71) are triangular.

5. The crosslinked polyethylene insulated halogen-free low-smoke environment-friendly power cable according to claim 2, wherein the power cable comprises: the ejector pins (77) are arranged in an annular equidistant manner on the outer circumferential surfaces of the two triangular supports (71), the ejector pins (77) and the two triangular supports (71) are arranged in a mutually perpendicular manner, the lengths of the ejector pins (77) correspond to the thicknesses of the two triangular supports (71), and one sides of the ejector pins (77) are mutually attached to the outer wall of the polyolefin sheath (6).