CN213716566U

CN213716566U - Cable for power engineering

Info

Publication number: CN213716566U
Application number: CN202121367595.6U
Authority: CN
Inventors: 李福增; 苗仁贤; 武建朋
Original assignee: Shandong Xiangjie Electric Power Engineering Co ltd
Current assignee: Shandong Xiangjie Electric Power Engineering Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-07-16
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a cable for power engineering, which comprises a conductor, wherein at least one conductor is arranged, a conductor shielding layer is coated outside the conductor, an insulating layer is coated outside the conductor shielding layer, an insulating layer is coated outside the insulating layer, a copper strip shielding layer is coated outside the insulating layer, a plurality of copper strip shielding layers are provided with filling layers outside, a supporting mechanism is arranged inside the filling layers, the supporting mechanism comprises a supporting bar, a wrapping tape layer is coated outside the filling layer, an inner sheath is coated outside the wrapping tape layer, and armoring is coated outside the inner sheath, in the utility model, the raised strip on the surface of the outer sheath can improve the wear resistance of the cable, the supporting mechanism plays a supporting role for the inside of the cable, when the cable is positioned at the supporting mechanism and receives external pressure, the supporting plate receives extrusion, pushes the supporting bar to slide along the limiting ring, the movable block slides along the, the buffer effect can be achieved, and therefore the pressure resistance of the cable is improved.

Description

Cable for power engineering

Technical Field

The utility model relates to the technical field of cables, specifically a cable for power engineering.

Background

Electric power engineering, i.e. engineering related to the production, transmission, distribution of electric energy, also broadly includes engineering of electricity as a power and energy source for applications in various fields. Meanwhile, the method can be understood to the transmission and transformation business expansion project. The production of electric energy is mainly dependent on thermal power plants, hydroelectric power plants and nuclear power plants. The conditioned place also uses tidal, geothermal and wind energy to generate electricity. The transmission and distribution of electric energy is mainly realized by high-voltage and low-voltage alternating current power networks. As a form of energy, electrical energy has many advantages such as easy conversion, convenient transportation, easy control, convenient use, cleanliness, and economy.

The existing cable for power engineering is simple in structure and poor in pressure resistance, and the surface of the cable is only protected by the outer sheath, so that the abrasion resistance is poor. Therefore, the utility model provides a cable for power engineering to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide a cable for power engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a cable for power engineering, includes the conductor, the conductor is equipped with one at least, and the outer cladding of conductor shielding layer has the insulating layer, and the outer cladding of insulating layer has the copper strips shielding layer, and a plurality of copper strips shielding layer outsides are equipped with the filling layer, and the inside supporting mechanism that is equipped with of filling layer, supporting mechanism includes the support bar, the outer cladding of filling layer has the belting layer, and the outer cladding of belting layer has the inner sheath, and the outer cladding of inner sheath has the armor, and the outer cladding of armor has the oversheath, and the outer wall of oversheath is equipped with a plurality of sand grips, the sand grip is the.

As a further proposal of the utility model, the supporting bar overcoat is equipped with fixed cover, fixed cover outer fringe fixed connection supporting shoe, and the supporting shoe is located two between the copper strips shielding layer.

As a further proposal of the utility model, the inside slide opening of supporting shoe has been seted up, and the movable block has been inserted in the slide opening.

As a further proposal, the inner wall of the sliding hole is connected with the movable block in a sliding way, and the one end of the movable block is fixedly connected with the spring.

As a further aspect of the present invention, the spring is located inside the slide hole, the spring is fixedly connected to the supporting block.

As the utility model discloses further scheme again, movable block fixed connection bracing piece, the other end fixed connection backup pad of bracing piece, the backup pad sets to the arc.

As the utility model discloses scheme further still, the supporting shoe is located slide opening part fixed connection spacing ring, spacing ring suit bracing piece, and bracing piece sliding connection spacing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, the sand grip on oversheath surface can improve the wearability of this cable, and supporting mechanism plays the effect of support to the inside of cable, and when the cable was located supporting mechanism department and received external pressure, the extrusion was received to the backup pad, and the promotion bracing piece slides along the spacing ring, and the movable block slides along the slide opening, and the spring is compressed, can play the effect of buffering to improve the compressive resistance of cable.

Drawings

Fig. 1 is a schematic structural diagram of a cable for power engineering.

Fig. 2 is a schematic structural diagram of a supporting mechanism in a cable for power engineering.

Fig. 3 is a schematic diagram of an internal structure of a support block in a cable for power engineering.

In the figure: 1. conductor, 2, conductor shielding layer, 3, insulating layer, 4, insulating shielding layer, 5, copper strip shielding layer, 6, filling layer, 7, belting layer, 8, inner sheath, 9, armor, 10, outer sheath, 11, sand grip, 12, support bar, 13, fixed cover, 14, supporting shoe, 15, bracing piece, 16, backup pad, 17, slide opening, 18, spacing ring, 19, movable block, 20, spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, an electric power engineering cable includes a conductor 1, the conductor 1 is provided with at least one, the conductor 1 is coated with a conductor shielding layer 2, the conductor shielding layer 2 is coated with an insulating layer 3, the insulating layer 3 is coated with an insulating shielding layer 4, the insulating shielding layer 4 is coated with a copper strip shielding layer 5, the plurality of copper strip shielding layers 5 are provided with a filling layer 6 on the outer side, a supporting mechanism is provided inside the filling layer 6, the supporting mechanism includes a supporting bar 12, the filling layer 6 is coated with a wrapping tape layer 7, the wrapping tape layer 7 is coated with an inner sheath 8, the inner sheath 8 is coated with an armor 9, the armor 9 is coated with an outer sheath 10, the outer wall of the outer sheath 10 is provided with a plurality of convex bars 11, the convex bars 11 are arc-shaped.

Referring to fig. 2 to 3, a fixed sleeve 13 is sleeved outside a support bar 12, the outer edge of the fixed sleeve 13 is fixedly connected with a support block 14, the support block 14 is located between two copper strip shielding layers 5, a slide hole 17 is formed inside the support block 14, a movable block 19 is inserted into the slide hole 17, the movable block 19 is slidably connected with the inner wall of the slide hole 17, one end of the movable block 19 is fixedly connected with a spring 20, the spring 20 is located inside the slide hole 17, the spring 20 is fixedly connected with the support block 14, the movable block 19 is fixedly connected with a support bar 15, the other end of the support bar 15 is fixedly connected with a support plate 16, the support plate 16 is arranged in an arc shape, the support block 14 is located at the opening of the slide hole 17 and is fixedly connected with a.

The utility model discloses a theory of operation is:

the utility model discloses in, the sand grip 11 on oversheath 10 surface can improve the wearability of this cable, and supporting mechanism plays the effect of support to the inside of cable, and when the cable was located supporting mechanism department and received ambient pressure, the extrusion was received to backup pad 16, promoted the bracing piece 15 and slided along spacing ring 18, and movable block 19 slided along slide opening 17, and spring 20 is compressed, can play the effect of buffering to improve the compressive resistance of cable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cable for power engineering, includes conductor (1), its characterized in that, conductor (1) is equipped with one at least, and the cladding has conductor shielding layer (2) outside conductor shielding layer (1), and the cladding has insulating layer (3) outside conductor shielding layer (2), and the cladding has insulating shield (4) outside insulating layer (3), and the cladding has copper strips shielding layer (5) outside insulating shield (4), and a plurality of copper strips shielding layer (5) outside is equipped with filling layer (6), and inside supporting mechanism that is equipped with of filling layer (6), supporting mechanism includes support bar (12), the cladding has band layer (7) outside filling layer (6), and the cladding has inner sheath (8) outside band layer (7), and the outer cladding of inner sheath (8) has armor (9), and the cladding has oversheath (10) outside armor (9), and the outer wall of oversheath (10) is equipped with a plurality of sand grip (11), sand grip (11) are the arc, the length of the convex strip (11) is consistent with that of the outer sheath (10).

2. An electric power engineering cable according to claim 1, characterized in that the support bar (12) is sleeved with a fixing sleeve (13), the outer edge of the fixing sleeve (13) is fixedly connected with a support block (14), and the support block (14) is located between the two copper tape shielding layers (5).

3. An electric power engineering cable according to claim 2, characterized in that the supporting block (14) is provided with a slide hole (17) therein, and a movable block (19) is inserted into the slide hole (17).

4. An electric power engineering cable according to claim 3, characterized in that the movable block (19) is slidably connected to the inner wall of the slide hole (17), and one end of the movable block (19) is fixedly connected to the spring (20).

5. An electric power engineering cable according to claim 4, characterized in that the spring (20) is located inside the slide hole (17), the spring (20) being fixedly connected to the support block (14).

6. An electric power engineering cable according to claim 4, characterized in that the movable block (19) is fixedly connected with the support rod (15), the other end of the support rod (15) is fixedly connected with the support plate (16), and the support plate (16) is arranged in an arc shape.

7. An electric power engineering cable according to claim 5, characterized in that the supporting block (14) is fixedly connected with a limiting ring (18) at the opening of the sliding hole (17), the limiting ring (18) is sleeved on the supporting rod (15), and the supporting rod (15) is slidably connected with the limiting ring (18).