CN113178283B

CN113178283B - Composite power cable

Info

Publication number: CN113178283B
Application number: CN202110425418.7A
Authority: CN
Inventors: 李国宝; 吴亚楠; 殷璐; 郑桂东; 陈娟; 梁德兵
Original assignee: Yongwei Group Co ltd
Current assignee: Yongwei Group Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2023-02-03
Anticipated expiration: 2041-04-20
Also published as: CN113178283A

Abstract

The invention relates to the technical field of power cables and discloses a composite power cable which comprises a power cable and an optical fiber cable, wherein a first outer sheath and a second outer sheath are respectively and fixedly sleeved outside the power cable and the optical fiber cable, one opposite sides of the first outer sheath and the second outer sheath are respectively and integrally connected with a plurality of first connecting blocks and second connecting blocks which are arranged at intervals, the side wall of the second connecting block, which is close to the first connecting block, is fixedly connected with a wedge-shaped clamping block, the side wall of the first connecting block is provided with a dovetail clamping groove which is matched and clamped with the wedge-shaped clamping block, and the upper side and the lower side of the first outer sheath and the upper side and the lower side of the second outer sheath are respectively and fixedly clamped with a first semicircular clamping ring and a second semicircular clamping ring. This compound power cable possesses and makes to be connected firm and the quick assembly disassembly of being convenient for between power cable and the fiber cable, can not influence maintenance operation alone, makes the better advantage of its suitability.

Description

Composite power cable

Technical Field

The invention relates to the technical field of power cables, in particular to a composite power cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.

The optical fiber composite medium-voltage power cable is a novel optical fiber composite cable for medium-voltage power lines, has the functions of common medium-voltage cables and communication optical cables, is widely used for developing services such as 'three-network integration' of telecommunication network, broadcast network and internet content transmission and is combined with power network construction to finally realize the construction of an intelligent power grid.

The existing medium-voltage optical fiber composite power cable and the existing optical fiber cable are integrally formed, so that the manufacturing difficulty is high, the single cable is inconvenient to operate independently when needing to be maintained, and the actual use requirement cannot be well met.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the composite power cable which has the advantages of enabling the connection between the power cable and the optical fiber cable to be stable and convenient to rapidly disassemble and assemble, not influencing the independent maintenance operation, and enabling the applicability to be better, and solves the problems that the existing medium-voltage optical fiber composite power cable and the existing optical fiber cable are integrally formed, the manufacturing difficulty is higher, the independent operation is inconvenient when a single cable needs to be maintained, and the actual use requirement cannot be well met.

(II) technical scheme

In order to realize the purposes of ensuring stable connection between a power cable and an optical fiber cable, facilitating quick assembly and disassembly, not influencing independent maintenance operation and ensuring better applicability, the invention provides the following technical scheme: composite power cable, including power cable and fiber optic cable, the outer fixed cover respectively of power cable and fiber optic cable is equipped with first oversheath and second oversheath, first oversheath and second oversheath one side in opposite directions respectively the first connecting block and the second connecting block that a plurality of intervals set up of an organic whole be connected with, the lateral wall fixedly connected with wedge fixture block that the second connecting block is close to first connecting block, the lateral wall of first connecting block sets up the forked tail draw-in groove that matches the joint with the wedge fixture block, the upper and lower both sides of first oversheath and second outer sheath have first semicircle clamping ring and second semicircle clamping ring from fixing the clamping cover respectively, control adjacently the integrative crimping board that is connected with between first semicircle clamping ring and the second semicircle clamping ring, two from top to bottom the crimping board crimping is in the upper and lower both sides of first connecting block and second connecting block, two the one end of first semicircle clamping ring and second semicircle clamping ring is fixed connection with first clamping board and second clamping board respectively, two upper and lower first clamping board and second clamping board clamping pressing have the U-shaped fixing plate, the U-shaped fixing clamp fixing plate has seted up through two equal clamping screw holes of fixing bolt fixing mechanism.

Preferably, the upper and lower both ends of first connecting block and second connecting block are many reference columns of equal fixedly connected with, a plurality of constant head tanks that correspond the grafting with the reference column are seted up to the inboard of crimping board.

Preferably, two T-shaped clamping blocks are fixedly connected to the inner side of the vertical portion of the U-shaped fixing plate in an up-and-down symmetrical mode, and T-shaped clamping grooves matched and clamped with the T-shaped clamping blocks are formed in the outer sides of the first clamping plate and the second clamping plate.

Preferably, the fastening mechanism comprises two fastening insertion rods movably inserted into the front end of the U-shaped positioning plate, a plurality of fastening insertion holes correspondingly inserted into the fastening insertion rods are formed in the surface of the baffle, the front ends of the two fastening insertion rods are fixedly connected with the same fastening pull plate, and the rear side of the fastening pull plate and the front side of the U-shaped positioning plate are fixedly connected with two fastening springs respectively sleeved outside the two fastening insertion rods.

Preferably, the first semicircular pressing ring, the second semicircular pressing ring and the crimping plate are all made of stainless steel.

Preferably, both ends of the baffle plate extend out of the surface of the U-shaped positioning plate.

Preferably, an insulation shielding layer is arranged in each of the power cable and the optical fiber cable.

(III) advantageous effects

Compared with the prior art, the invention provides the composite power cable which has the following beneficial effects:

1. this compound power cable, through first connecting block and the second connecting block that is equipped with, the matching joint through wedge-shaped fixture block and forked tail draw-in groove makes the connection that first connecting block and second connecting block are firm relatively together, realize power cable and fiber cable's quick connection, again with first semicircle pressure hold ring and second semicircle pressure hold ring press respectively and hold in the outside of first oversheath and second outer sheath, the matching grafting through reference column and constant head tank makes the crimping that the crimping board can stabilize in the outside of first connecting block and second connecting block junction, two first clamping boards and second clamping board are in the same place tightly this moment, make U-shaped stabilizing plate press and hold outside two first clamping boards and second clamping board through the matching joint of T-shaped fixture block and T-shaped draw-in groove, rethread fixing bolt fixes and can carry out firm pressure to the junction of power cable and fiber cable and firm, make firm and the quick dismouting of being convenient for connecting between power cable and the fiber cable, can not influence independent maintenance operation, make its suitability better.

2. This compound power cable, through the U-shaped locating plate that is equipped with, after installing two crimping boards, press U-shaped locating plate card outside two crimping boards from top to bottom, it is spacing to its firm realization, peg graft the baffle in two sockets of U-shaped locating plate again, make the fastening jack be aimed at to the fastening inserted bar, fastening spring pull-back fastening arm-tie, the fastening arm-tie can realize the firm connection between U-shaped locating plate and the baffle in will fastening inserted bar propulsion fastening jack, make connection structure more stable, the structure steadiness of junction has been improved greatly.

Drawings

Fig. 1 is a schematic structural diagram of a composite power cable according to the present invention;

fig. 2 is an enlarged view of a portion a of the composite power cable shown in fig. 1 according to the present invention;

fig. 3 is an enlarged view of a portion B of the composite power cable shown in fig. 1 according to the present invention;

fig. 4 is a schematic side sectional view of the connection between the U-shaped positioning plate and the baffle of the composite power cable according to the present invention.

In the figure: the clamping device comprises a power cable 1, an optical fiber cable 2, a first outer sheath 3, a second outer sheath 4, a first connecting block 5, a second connecting block 6, a wedge-shaped clamping block 7, a dovetail clamping groove 8, a first semicircular pressing ring 9, a second semicircular pressing ring 10, a pressing plate 11, a first clamping plate 12, a second clamping plate 13, a U-shaped stabilizing plate 14, a U-shaped positioning plate 15, a socket 16, a baffle 17, a positioning column 18, a positioning groove 19, a T-shaped clamping block 20, a T-shaped clamping groove 21, a fastening insertion rod 22, a fastening insertion hole 23, a fastening pulling plate 24 and a fastening spring 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a composite power cable includes a power cable 1 and an optical fiber cable 2, the power cable 1 and the optical fiber cable 2 are respectively and fixedly sleeved with a first outer sheath 3 and a second outer sheath 4, opposite sides of the first outer sheath 3 and the second outer sheath 4 are respectively and integrally connected with a plurality of first connecting blocks 5 and second connecting blocks 6 which are arranged at intervals, side walls of the second connecting blocks 6 close to the first connecting blocks 5 are fixedly connected with wedge-shaped clamping blocks 7, side walls of the first connecting blocks 5 are provided with dovetail clamping grooves 8 which are matched and clamped with the wedge-shaped clamping blocks 7, upper and lower sides of the first outer sheath 3 and the second outer sheath 4 are respectively and fixedly clamped with a first semicircular clamping ring 9 and a second semicircular clamping ring 10, a crimping plate 11 is integrally connected between the left and right adjacent first semicircular clamping rings 9 and second semicircular clamping rings 10, the upper and lower two crimping plates 11 are crimped on the upper and lower sides of the first connecting block 5 and the second connecting block 6, one ends of the two first semicircular crimping rings 9 and the second semicircular crimping rings 10 are fixedly connected with a first clamping plate 12 and a second clamping plate 13 respectively, the upper and lower first clamping plates 12 and the second clamping plate 13 are respectively clamped and pressed with a U-shaped fixing plate 14, the first clamping plate 12 and the second clamping plate 13 are symmetrically provided with a plurality of fixing screw holes and fixedly connected through fixing bolts, the two crimping plates 11 are fixedly clamped with the same U-shaped positioning plate 15, the two end surfaces of the U-shaped positioning plate 15 are provided with inserting holes 16, the two inserting holes 16 are inserted with the same baffle plate 17, and the U-shaped positioning plate 15 and the baffle plate 17 are fixedly clamped through a fastening mechanism.

The upper end and the lower end of the first connecting block 5 and the second connecting block 6 are fixedly connected with a plurality of positioning columns 18, and the inner side of the pressing plate 11 is provided with a plurality of positioning grooves 19 correspondingly inserted with the positioning columns 18.

Two T-shaped clamping blocks 20 are fixedly connected to the inner side of the vertical part of the U-shaped fixing plate 14 in an up-and-down symmetrical mode, and T-shaped clamping grooves 21 matched and clamped with the T-shaped clamping blocks 20 are formed in the outer sides of the first clamping plate 12 and the second clamping plate 13.

The fastening mechanism comprises two fastening insertion rods 22 movably inserted at the front end of the U-shaped positioning plate 15, a plurality of fastening insertion holes 23 correspondingly inserted with the fastening insertion rods 22 are formed in the surface of the baffle plate 17, the front ends of the two fastening insertion rods 22 are fixedly connected with the same fastening pull plate 24, and the rear side of the fastening pull plate 24 and the front side of the U-shaped positioning plate 15 are fixedly connected with two fastening springs 25 respectively sleeved outside the two fastening insertion rods 22.

The first semicircular clamping ring 9, the second semicircular clamping ring 10 and the crimping plate 11 are all made of stainless steel.

Both ends of the baffle 17 extend out of the surface of the U-shaped positioning plate 15.

Insulation shielding layers are arranged in the power cable 1 and the optical fiber cable 2.

In summary, in the composite power cable, the first connecting block 5 and the second connecting block 6 are connected together stably through the matching clamping of the wedge-shaped clamping block 7 and the dovetail clamping groove 8 by the first connecting block 5 and the second connecting block 6, so as to realize the rapid connection between the power cable 1 and the optical fiber cable 2, the first semicircular pressing ring 9 and the second semicircular pressing ring 10 are respectively pressed and held at the outer sides of the first outer sheath 3 and the second outer sheath 4, the pressing plate 11 can be stably pressed and held at the outer side of the connection position of the first connecting block 5 and the second connecting block 6 through the matching insertion of the positioning column 18 and the positioning groove 19, at this time, the two first clamping plates 12 and the second clamping plate 13 are tightly attached together, and the U-shaped fixing plate 14 is pressed and held outside the two first clamping plates 12 and the second clamping plate 13 through the matching clamping of the T-shaped clamping block 20 and the T-shaped clamping groove 21, the connecting part of the power cable 1 and the optical fiber cable 2 can be stably pressed and held by fixing bolts, so that the power cable 1 and the optical fiber cable 2 are stably connected and are convenient to rapidly assemble and disassemble, independent maintenance operation cannot be influenced, the applicability of the connecting device is better, the connecting device is provided with the U-shaped positioning plate 15, after the two crimping plates 11 are installed, the U-shaped positioning plate 15 is clamped and pressed outside the upper crimping plate 11 and the lower crimping plate 11, the fixing and limiting of the connecting device are realized, the baffle 17 is inserted into the two sockets of the U-shaped positioning plate 15, the fastening insertion rod 22 is aligned to the fastening insertion hole 23, the fastening pull plate 24 is pulled back by the fastening spring 25, the fastening pull plate 24 pushes the fastening insertion rod 22 into the fastening insertion hole 23, the stable connection between the U-shaped positioning plate 15 and the baffle 17 can be realized, the connecting structure is more stable, and the structural stability of the connecting part is greatly improved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Composite power cable, including power cable (1) and fiber optic cable (2), its characterized in that: the power cable (1) and the optical fiber cable (2) are respectively and fixedly sleeved with a first outer sheath (3) and a second outer sheath (4), one sides of the first outer sheath (3) and the second outer sheath (4) which face each other are respectively and integrally connected with a plurality of first connecting blocks (5) and second connecting blocks (6) which are arranged at intervals, the side walls of the second connecting blocks (6) which are close to the first connecting blocks (5) are fixedly connected with wedge-shaped clamping blocks (7), the side walls of the first connecting blocks (5) are provided with dovetail clamping grooves (8) which are matched and clamped with the wedge-shaped clamping blocks (7), the upper side and the lower side of the first outer sheath (3) and the second outer sheath (4) are respectively and fixedly clamped with a first semicircular clamping ring (9) and a second semicircular clamping ring (10), the left side and the right side of the first semicircular clamping ring (9) and the second semicircular clamping ring (10) are adjacent to each other, a crimping plate (11) is integrally connected between the first semicircular clamping ring (9) and the second semicircular clamping ring (10), the upper side and the lower side of the first clamping plate (11) and the second semicircular clamping plate (13) are respectively and the upper side and the lower side of the second clamping plate (12) are connected with two crimping plates (12), the U-shaped fixing plate (14) is symmetrically provided with a plurality of fixing screw holes outside the first clamping fixing plate (12) and the second clamping fixing plate (13) and is fixedly connected with the first clamping fixing plate through fixing bolts, the two crimping plates (11) are fixedly clamped with the same U-shaped positioning plate (15), the surfaces of two ends of the U-shaped positioning plate (15) are provided with inserting ports (16), the same baffle (17) is inserted into the two inserting ports (16), and the U-shaped positioning plate (15) and the baffle (17) are fixedly clamped through a fastening mechanism;

the upper end and the lower end of each of the first connecting block (5) and the second connecting block (6) are fixedly connected with a plurality of positioning columns (18), and the inner side of the pressure welding plate (11) is provided with a plurality of positioning grooves (19) which are correspondingly inserted with the positioning columns (18);

two T-shaped clamping blocks (20) are vertically and symmetrically and fixedly connected to the inner side of the vertical part of the U-shaped stabilizing plate (14), and T-shaped clamping grooves (21) matched and clamped with the T-shaped clamping blocks (20) are formed in the outer sides of the first clamping plate (12) and the second clamping plate (13);

the fastening mechanism comprises two fastening insertion rods (22) movably inserted into the front end of the U-shaped positioning plate (15), a plurality of fastening insertion holes (23) correspondingly inserted into the fastening insertion rods (22) are formed in the surface of the baffle plate (17), the front end of each fastening insertion rod (22) is fixedly connected with the same fastening pull plate (24), and two fastening springs (25) respectively sleeved outside the two fastening insertion rods (22) are fixedly connected with the rear side of the fastening pull plate (24) and the front side of the U-shaped positioning plate (15).

2. The composite power cable of claim 1, wherein: the first semicircular pressing ring (9), the second semicircular pressing ring (10) and the crimping plate (11) are all made of stainless steel materials.

3. The composite power cable of claim 1, wherein: and two ends of the baffle (17) extend out of the surface of the U-shaped positioning plate (15).

4. The composite power cable of claim 1, wherein: and insulating shielding layers are arranged in the power cable (1) and the optical fiber cable (2).