CN115764337A - Cable welding type joint - Google Patents

Abstract

The invention discloses a cable fusion-spliced joint, comprising: the connector comprises a connector main body and a CMJ composite protective layer, wherein the connector main body comprises a first cable connector, a second cable connector and an intermediate welding section, the first cable connector and the second cable connector generate the intermediate welding section made of the same material by depending on materials of the first cable connector and the second cable connector, so that the whole connector main body and an original cable conductor have the same conductive characteristic, the connector main body is provided with the CMJ composite protective layer in a matched mode, the specification size of the CMJ composite protective layer is approximately equal to the appearance of a connected cable, the CMJ composite protective layer does not occupy more space in engineering, the cable can run durably and reliably, and the CMJ composite protective layer has great economic benefit advantages; compared with the traditional first-aid repair method, the method has the advantages that the cost is greatly saved, the construction period is short, the problem that cables with corresponding specifications cannot be found is avoided, the repair time of the cables is seriously influenced, and potential safety hazards are brought to the operation of a power grid.

Description

Cable welding type joint

Technical Field

The invention relates to the technical field of cable joints, in particular to a cable fusion type joint.

Background

With the continuous development of the social industry, the demand for electric power is increasing, and a large number of electric power cables are used in the process of electric power transmission, wherein the electric power cables are cable products used for transmitting and distributing high-power electric energy in the main line of the electric power system, and comprise various voltage grades of 3.6-500kV and above and various insulated electric power cables.

At present, the number of urban cables is increased, and the probability of faults of the cables and the intermediate joints is increased. Most of the traditional first-aid repair methods adopt 2 intermediate joints and a section of cable with the length of more than ten meters to restore the line. The first-aid repair method is high in cost and long in construction period, and particularly, cables of corresponding specifications cannot be found sometimes, so that the repair time of the cables is seriously influenced, and potential safety hazards are brought to the operation of a power grid. Accordingly, there is a need for a fusion splice for cables that at least partially addresses the problems of the prior art.

Disclosure of Invention

A series of concepts in a simplified form are introduced in the summary section, which is described in further detail in the detailed description section. The summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a fusion splice of cables, comprising: the connector comprises a connector main body and a CMJ composite protective layer, wherein the connector main body comprises a first cable connector, a second cable connector and a middle welding section, the middle welding section is arranged between the first cable connector and the second cable connector, and the CMJ composite protective layer is arranged outside the first cable connector, the middle welding section and the second cable connector.

According to the cable fusion-type joint of the embodiment of the invention, the CMJ composite protective layer comprises a CMJ conductor shielding layer, an intermediate insulating layer and an insulation shielding outer layer, the CMJ conductor shielding layer is arranged on the joint main body, the intermediate insulating layer is arranged on the CMJ conductor shielding layer, and the insulation shielding outer layer is arranged on the intermediate insulating layer.

According to the cable fusion-type joint provided by the embodiment of the invention, the CMJ composite protective layer further comprises a CMJ joint protective layer, the CMJ joint protective layer is arranged on the insulation shielding outer layer, and lead sealing layers are arranged between the CMJ joint protective layer and the cable metal sheaths of the first cable joint and the second cable joint.

According to the cable fusion-type connector provided by the embodiment of the invention, the CMJ connector protection layer is provided with the glass fiber cloth, the glass fiber cloth is provided with the insulating strip, and the insulating strip is provided with the heat-shrinkable tube.

According to the cable welded joint provided by the embodiment of the invention, two grounding wires are arranged on the CMJ joint protective layer.

According to the cable fusion-type joint provided by the embodiment of the invention, the middle insulating layer is arranged on the CMJ conductor shielding layer through tooling equipment.

According to the cable fusion type joint provided by the embodiment of the invention, the tooling equipment comprises a tooling cylinder, the tooling cylinder is sleeved on the CMJ conductor shielding layer, a shunt is arranged on the tooling cylinder and is communicated with a plasticizing part on an extruder through a rubber outlet pipe, a storage box, an extrusion motor and a base support are arranged on the extruder, and an air purifier is arranged on the storage box.

According to the cable fusion-type connector provided by the embodiment of the invention, the first cable connector and the second cable connector are respectively connected to cable conductors, the bottoms of the two cable conductors are respectively provided with a whole-process module, the whole-process module comprises an upper supporting mechanism and a lower supporting mechanism, the upper supporting mechanism is arranged on the lower supporting mechanism, the upper supporting mechanism comprises a left side block and a right side block, the cable conductors are arranged in the left side block and the right side block, the left side block and the right side block are respectively connected with the lower supporting mechanism through horizontal locking pieces, a plurality of horizontal fixing inner holes and horizontal fixing outer grooves are respectively arranged in the left side block and the right side block, a horizontal telescopic rod is arranged in each horizontal fixing inner hole and comprises a chuck, an inner rod, a first spring plate, a second spring plate, a middle spring transverse rod and a horizontal fixing rod, the horizontal fixing rod is arranged from the horizontal fixing outer groove to the horizontal fixing inner holes and is connected with the first spring plate, the middle spring is connected to the middle spring plate, the middle spring is connected with the second spring plate, and the chucks are connected with the second spring plate through the inner rod so that the plurality of cable conductors are abutted against the cable conductors.

According to the cable fusion-spliced connector provided by the embodiment of the invention, the left side block and the right side block are respectively provided with two horizontal locking pieces, the two horizontal locking pieces are arranged from top to bottom, each horizontal locking piece comprises two outer fixing plates, a horizontal locking rod and a locking block, the two outer fixing plates are respectively arranged on the left side block and the right side block, the horizontal locking rods penetrate through the left side block and the right side block, the locking blocks penetrate through the horizontal locking rods, the horizontal locking rods below the horizontal locking rods are connected with the lower supporting mechanism, and the horizontal locking rods are provided with level instrument modules.

According to the cable fusion-type joint provided by the embodiment of the invention, the lower supporting mechanism comprises a base plate, a vertical plate, two electric telescopic rods and two oblique frames, wherein the vertical plate is arranged on the base plate, the two electric telescopic rods are respectively arranged at two ends of the vertical plate and connected with two horizontal locking pieces, the two oblique frames are respectively arranged on the base plate and positioned at two sides of the vertical plate, each oblique frame comprises a horizontal cylinder and an oblique rod, the horizontal cylinder is arranged on the base plate, a horizontal open slot is formed in the horizontal cylinder, an inner spring body, an inner seat block and an inner limiting block are arranged in the horizontal cylinder, the inner spring body abuts against the inner limiting block through the inner seat block, a hinged seat corresponding to the horizontal open slot is arranged on the inner seat block, the lower end of the oblique rod is connected with the hinged seat, the upper end of the oblique rod is connected with an upper seat, and the bottoms of the left side block and the right side block are respectively provided with the upper seat.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the present invention provides a cable fusion splice comprising: the connector comprises a connector main body and a CMJ composite protective layer, wherein the connector main body comprises a first cable connector, a second cable connector and an intermediate welding section, the first cable connector and the second cable connector generate the intermediate welding section made of the same material by depending on materials of the first cable connector and the second cable connector, so that the whole connector main body and an original cable conductor have the same conductive characteristic, the connector main body is provided with the CMJ composite protective layer in a matched mode, the specification size of the CMJ composite protective layer is approximately equal to the appearance of a connected cable, the CMJ composite protective layer does not occupy more space in engineering, the cable can run durably and reliably, and the CMJ composite protective layer has great economic benefit advantages; compared with the traditional first-aid repair method, the method has the advantages that the cost is greatly saved, the construction period is short, the problem that cables with corresponding specifications cannot be found is avoided, the repair time of the cables is seriously influenced, and potential safety hazards are brought to the operation of a power grid.

Additional advantages, objects, and features of the fusion splice of cables described herein will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural diagram of a first cable connector and a second cable connector in the present invention.

Fig. 4 is a schematic diagram of the tooling equipment of the present invention.

FIG. 5 is a schematic diagram of the overall process module of the present invention.

Fig. 6 is a schematic structural view of an upper support mechanism in the present invention.

Fig. 7 is a schematic structural view of the horizontal telescopic rod of the present invention.

Fig. 8 is a schematic view showing the structure of the horizontal locker of the present invention.

Fig. 9 is a schematic structural view of the lower support mechanism of the present invention.

Fig. 10 is a schematic structural view of the oblique frame of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 3, the present invention provides a fusion-spliced cable joint, comprising: the connector comprises a connector body 1 and a CMJ composite protective layer 2, wherein the connector body 1 comprises a first cable connector 11, a second cable connector 12 and an intermediate welding section 13, the intermediate welding section 13 is arranged between the first cable connector 11 and the second cable connector 12, and the CMJ composite protective layer 2 is arranged outside the first cable connector 11, the intermediate welding section 13 and the second cable connector 12.

The working principle and the beneficial effects of the technical scheme are as follows: the present invention provides a cable fusion-type joint, including: a joint body 1 and a CMJ composite protective layer 2. The joint body 1 of the present invention includes a first cable joint 11, a second cable joint 12, and an intermediate fusion splice section 13. It is understood that the first cable joint 11 and the second cable joint 12 are respectively connected to two cable conductors 4 to connect the two cable conductors 4 together. Specifically, the first cable joint 11 and the second cable joint 12 are melted and connected by an advanced welding process to form the intermediate welding section 13, it can be understood that the welding principle is that the cable conductor heat release welding is the welding of the cable conductor and the high-temperature liquid copper and aluminum oxide displacement copper generated by the chemical heat release reaction of the copper oxide and the aluminum; that is, the first cable joint 11 and the second cable joint 12 produce the middle welding section 13 of the same material by virtue of the materials thereof, so that the whole joint main body 1 and the original cable conductor 4 have the same conductive characteristics, the joint main body 1 is provided with the CMJ composite protective layer 2, the specification size of the CMJ composite protective layer 2 is approximately equal to the external form of the connected cable, and the CMJ composite protective layer 2 does not occupy more space in engineering, so that the cable can run durably and reliably, and the middle welding section 13 is an important economic benefit advantage; compared with the traditional first-aid repair method, the method has the advantages that the cost is greatly saved, the construction period is short, the problem that cables with corresponding specifications cannot be found is avoided, the repair time of the cables is seriously influenced, and potential safety hazards are brought to the operation of a power grid.

In one embodiment, the CMJ composite protective layer 2 includes a CMJ conductor shield layer 21, an intermediate insulation layer 22, and an outer insulation shield layer 23, the CMJ conductor shield layer 21 being disposed on the joint body 1, the intermediate insulation layer 22 being disposed on the CMJ conductor shield layer 21, and the outer insulation shield layer 23 being disposed on the intermediate insulation layer 22.

The working principle and the beneficial effects of the technical scheme are as follows: the embodiment provides a specific structure of a CMJ composite protective layer 2, the CMJ composite protective layer 2 of the specific structure comprises a CMJ conductor shielding layer 21, a middle insulating layer 22 and an insulation shielding outer layer 23, specifically, the CMJ conductor shielding layer 21 is designed on a joint main body 1, and the CMJ conductor shielding layer 21 is made of an ultra-smooth semiconductor material, so that the inner shielding layer of the cable is continuously recovered according to the original structure and the shielding effectiveness of an electric field; the middle insulating layer 22 is wrapped outside the CMJ conductor shielding layer 21, wherein the middle insulating layer 22 is formed by combining the cable insulating material with a new cable by one-time extrusion cross-linking molding, is connected with the cable insulation and forms a structure which is intrinsic and integrated with the cable insulation; further, an insulating shielding outer layer 23 is further arranged on the intermediate insulating layer 22, wherein the insulating shielding outer layer 23 is made of a tinned copper net and further wraps the intermediate insulating layer 22.

In one embodiment, the CMJ composite protective layer 2 further comprises a CMJ joint protective layer 24, the CMJ joint protective layer 24 is disposed on the insulation shield outer layer 23, and a lead seal 26 is disposed between the CMJ joint protective layer 24 and the cable metal sheaths of the first and second cable joints 11, 12.

The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, a CMJ joint protection layer 24 is further designed on the CMJ composite protection layer 2, where the CMJ joint protection layer 24 is made of copper, the CMJ joint protection layer 24 is a tubular copper shell covering the joint main body 1, and lead sealing layers 26 are respectively arranged between the end portions of the CMJ joint protection layer 24 and the cable metal sheaths 14 of the first cable joint 11 and the second cable joint 12, where the lead sealing layers 26 are made by using a lead sealing welding process, so that the CMJ joint protection layer 24 and the cable metal sheaths 14 are more firmly connected to play a role in sealing.

Further, the CMJ joint protection layer 24 is wrapped with glass fiber cloth 241, the glass fiber cloth 241 is wrapped with an insulation tape 242, and the insulation tape 242 is wrapped with a heat shrink tube 243, so that the insulation tape 242 is more closely attached to the thermal shrink tube 243 after thermal shrinkage, thereby further performing a waterproof sealing function.

In one embodiment, two ground lines 244 are provided on the CMJ joint protector 24.

The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, two ground wires 244 are provided on the CMJ joint protector 24, and are connected to the original cable ground network via the two ground wires 244 to ensure reliable grounding of the splice joint.

In one embodiment, the middle insulation layer 22 is disposed on the CMJ conductor shield layer 21 through the tooling device 3.

The working principle and the beneficial effects of the technical scheme are as follows: the middle insulating layer 22 is arranged on the CMJ conductor shielding layer 21 through the tooling equipment 3, and the middle insulating layer 22 in the CMJ composite protective layer 2 on the joint main body 1 can be manufactured on site through the tooling equipment 3, so that the cost is greatly saved compared with the traditional first-aid repair method, and the construction period is short.

As shown in fig. 4, in one embodiment, the tooling device 3 includes a tooling cylinder 31, the tooling cylinder 31 is sleeved on the CMJ conductor shielding layer 21, a flow divider 32 is disposed on the tooling cylinder 31, the flow divider 32 is communicated with a plasticizing part 35 on an extruder 34 through a rubber outlet pipe 33, a storage tank 36, an extrusion motor 37 and a base support 38 are disposed on the extruder 34, and an air cleaner 39 is disposed on the storage tank 36.

The working principle and the beneficial effects of the technical scheme are as follows: the tooling equipment 3 comprises a tooling cylinder 31, wherein the tooling cylinder 31 comprises two semicircular cylinders, the two semicircular cylinders are sleeved on the CMJ conductor shielding layer 21 and are in butt joint fixation, a shunt 32 is installed on the tooling cylinder 31, the shunt 32 is communicated with a plasticizing part 35 on an extruder 34 through a glue outlet pipe 33, an operator adds cable insulation materials into a storage box 36, and a base support 38 is arranged on the extruder 34 so as to facilitate the operator to move the extruder 34 to a proper position on site; an air cleaner 39 is disposed on the storage tank 36, the air cleaner 39 cleans dust and impurities in the storage tank 36, an operator can start the extruder 34 through a controller (not shown), and then the extruder 34 operates, the cable insulation material in the storage tank 36 moves to the plasticizing part 35 through the extruder 34, is heated and melted, then is extruded and flows to the diverter 32 through the rubber outlet pipe 33, and enters the tool cylinder 31 through the diverter 32 to wrap the CMJ conductor shielding layer 21, so as to form the intermediate insulation layer 22.

As shown in fig. 5-10, in an embodiment, the first cable connector 11 and the second cable connector 12 are respectively connected to the cable conductor 4, two of the bottoms of the cable conductor 4 are respectively provided with the overall process module 5, the overall process module 5 includes the upper supporting mechanism 6 and the lower supporting mechanism 7, the upper supporting mechanism 6 is disposed on the lower supporting mechanism 7, the upper supporting mechanism 6 includes the left block 61 and the right block 62, the cable conductor 4 is disposed in the left block 61 and the right block 62, the left block 61 and the right block 62 are respectively connected to the lower supporting mechanism 7 through the horizontal locking member 63, a plurality of horizontal fixing inner holes 64 and horizontal fixing outer slots 65 are respectively disposed in the left block 61 and the right block 62, a horizontal telescopic rod 66 is disposed in the horizontal fixing inner hole 64, the horizontal telescopic rod 66 includes a collet 661, an inner rod 662, a first spring plate 663, a second spring plate 664, a middle spring transverse 665 and a horizontal fixing rod 666, the horizontal fixing rod 666 is penetrated through the horizontal fixing outer slots 65 and is connected to the first spring plate 664, the middle spring plate 664 is connected to the second spring plate 663, and the second spring plate 664 is connected to the second spring top of the cable conductor 4, and the second spring top is connected to the second spring plate 664.

The working principle and the beneficial effects of the technical scheme are as follows: because the first cable joint 11 and the second cable joint 12 are respectively connected to the cable conductors 4, the two cable conductors 4 need to be kept in a static state and cannot shake or sink when the first cable joint 11 and the second cable joint 12 are subjected to field welding and shaping, and the influence on the forming quality of the middle welding section 13 caused by deflection when the first cable joint 11 and the second cable joint 12 are melted is avoided; or, in order to prevent the formation quality of the intermediate insulation layer 22 from being affected by the generation of bubbles in the molten cable insulation material in the tooling cylinder 31 during the formation of the intermediate insulation layer 22, the two cable conductors 4 need to be fixed separately to prevent shaking and sinking, thereby completing and improving the formation quality of the intermediate insulation layer 22.

Therefore, in the embodiment, the whole-process modules 5 are respectively arranged at the bottoms of the two cable conductors 4, each whole-process module 5 includes an upper support mechanism 6 and a lower support mechanism 7, specifically, the upper support mechanism 6 is mounted on the lower support mechanism 7, and the lower support mechanism 7 fixes the upper support mechanism 6 from below so that the upper support mechanism 6 is located above the middle of the lower support mechanism 7;

the upper supporting mechanism 6 comprises a left side block 61 and a right side block 62, the left side block 61 and the right side block 62 are used for fixing the cable conductor 4, in order to fix the left side block 61 and the right side block 62, two horizontal locking pieces 63 are designed at the end parts of the left side block 61 and the right side block 62, the two horizontal locking pieces 63 are arranged from top to bottom, the two horizontal locking pieces 63 can correspondingly fix the left side block 61 and the right side block 62 according to the diameter of the cable conductor 4, so that the upper supporting mechanism 6 is suitable for cable conductors 4 with different diameters, and the practicability of the whole process module 5 is provided;

in addition, the sizes of the left side block 61 and the right side block 62 cannot be too small or too large, in order to enable the left side block 61 and the right side block 62 to be suitable for fixing cable conductors 4 with more types and diameters, horizontal telescopic rods 66 are further designed in the left side block 61 and the right side block 62, and the cable conductors 4 are fixed from the inside, specifically, a plurality of horizontal fixing inner holes 64 and horizontal fixing outer grooves 65 are respectively arranged in the left side block 61 and the right side block 62, and the horizontal fixing inner holes 64 and the horizontal fixing outer grooves 65 are designed from top to bottom, wherein the horizontal telescopic rods 66 are arranged in the horizontal fixing inner holes 64, and each horizontal telescopic rod 66 comprises a chuck inner rod, a chuck 661 662, a first spring plate 663, a second spring plate 664, a middle spring transverse 665 and a horizontal fixing rod 666;

the horizontal fixing rod 666 is inserted into the horizontal fixing inner hole 64 through the horizontal fixing outer groove 65 and connected to the first spring plate 663, the first spring plate 663 is connected to the middle spring 665, the middle spring 665 is connected to the second spring plate 664, the second spring plate 664 is connected to the chuck 661 through the inner rod 662, so that the horizontal fixing rod 666 is rotated through the horizontal fixing outer groove 65, the horizontal fixing rod 666 moves outwards or inwards in the horizontal fixing outer groove 65, the middle spring transverse 665 is in different lengths, the middle spring transverse 665 is a compression spring, the second spring plate 664 is supported outwards, the cable conductor 4 is supported through the inner rod 662 and the chuck 661 to abut against, the cable conductor 4 is further fixed from the inside of the left side block 61 and the right side block 62, and the cable conductor 4 is prevented from shaking to affect the forming quality of the middle welding section 13 and the forming quality of the subsequent middle insulating layer 22.

It should be noted that the whole process module 5 can be applied to the whole process of the existing manufacturing of the whole cable fusion splice by fixing the cable conductor 4.

In one embodiment, the left side block 61, the right side block 62 are provided with two horizontal locking pieces 63 respectively, two the horizontal locking pieces 63 are from top to bottom set up, the horizontal locking piece 63 includes two external fixation plates 631, horizontal locking bar 632 and locking block 633, two the external fixation plate 631 is set up respectively on the left side block 61, the right side block 62, horizontal locking bar 632 wears to establish on left side block 61, the right side block 62, locking block 633 wears to establish on horizontal locking bar 632, and the below horizontal locking bar 632 is connected with lower support mechanism 7, be provided with spirit level module 8 on the horizontal locking bar 632.

The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, two horizontal locking members 63 are respectively provided on the left side block 61 and the right side block 62, wherein the two horizontal locking members 63 are arranged from top to bottom, wherein the two lower horizontal locking members 63 are connected to the lower support mechanism 7,

here, the horizontal locking member 63 includes two outer fixing plates 631, horizontal locking bar 632 and locking block 633, two outer fixing plates 631 are respectively disposed on the left side block 61 and the right side block 62, and the horizontal locking bar 632 is disposed through the left side block 61 and the right side block 62, and is disposed through the locking block 633 through the horizontal locking bar 632, so as to limit the left side block 61 and the right side block 62 on the horizontal locking bar 632, and the horizontal locking member 63 of the structure is also convenient for field installation and disassembly, thereby improving efficiency.

Further, be provided with spirit level module 8 on horizontal locking lever 632, install spirit level module 8 respectively on the cable conductor 4 who connects main part 1 both sides here, specifically, spirit level module 8 includes transmitting terminal 81, receiving terminal 82, transmitting terminal 81, receiving terminal 82 installs on horizontal locking lever 632 and lies in the both sides of electric telescopic handle 73, and then transmitting terminal 81 and receiving terminal 82 in the spirit level module 8 who connects main part 1 both sides correspond, can make overall process module 5 carry out fixed stay with cable conductor 4 more accurately through 4 sets of spirit level module 8's setting, prevent that the cable conductor 4 of both sides from taking place to rock, sink.

In one embodiment, the lower support mechanism 7 includes a base plate 71, a vertical plate 72, two electric telescopic rods 73 and two slant frames 74, the vertical plate 72 is disposed on the base plate 71, the two electric telescopic rods 73 are disposed at two ends of the vertical plate 72 and connected to two horizontal locking members 63, the two slant frames 74 are disposed on the base plate 71 and located at two sides of the vertical plate 72, the slant frames 74 include a horizontal cylinder 741 and slant rods 742, the horizontal cylinder 741 is disposed on the base plate 71, a horizontal opening slot 743 is formed in the horizontal cylinder 741, an inner spring body 744, an inner seat 745 and an inner limiting block 746 are disposed in the horizontal cylinder 741, the inner spring body 744 abuts against the inner limiting block 746 through the inner seat 745, a hinge seat 747 corresponding to the horizontal opening slot 743 is disposed on the inner seat 745, a lower end of the slant rod 742 is connected to the seat 747, an upper end is connected to an upper hinge seat 748, and bottoms of the left side block 61 and the right side block 62 are disposed with the upper seat 748, respectively.

The working principle and the beneficial effects of the technical scheme are as follows: the present embodiment provides a specific structure of the lower support mechanism 7, and the lower support mechanism 7 of the structure includes a base plate 71, a vertical plate 72, two electric telescopic rods 73, and two diagonal frames 74, specifically,

a vertical plate 72 is arranged in the middle of the base plate 71, the length direction of the vertical plate 72 is consistent with the length direction of the cable conductor 4, two electric telescopic rods 73 are arranged on the vertical plate 72, the two electric telescopic rods 73 are respectively connected with the two horizontal locking pieces 63, in order to further improve the supporting accuracy of the lower supporting mechanism 7, two inclined frames 74 are arranged on the vertical plate 72, and the two inclined frames 74 are positioned on two sides of the vertical plate 72;

here, the slant frame 74 includes a horizontal cylinder 741 and a slant rod 742, the horizontal cylinder 741 is installed on the base plate 71, a horizontal open slot 743 is opened on the horizontal cylinder 741, and an inner spring body 744, an inner seat block 745 and an inner limit block 746 are installed in the horizontal cylinder 741, so that the inner spring body 744 abuts against the inner limit block 746 through the inner seat block 745, and the inner limit block 746 has better elasticity; here, a hinge seat 747 corresponding to the horizontal opening groove 743 is installed on the inner seat block 745, the lower end of the diagonal rod 742 is connected to the hinge seat 747, and the upper end is connected to the upper hinge seat 748, wherein the bottoms of the left side block 61 and the right side block 62 are respectively provided with the upper hinge seat 748, so that stability is maintained by the arrangement of the diagonal frame 74.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "horizontal," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. A fusion splice cable connector comprising: the connector comprises a connector main body (1) and a CMJ composite protective layer (2), wherein the connector main body (1) comprises a first cable connector (11), a second cable connector (12) and an intermediate welding section (13), the intermediate welding section is arranged between the first cable connector (11) and the second cable connector (12), and the CMJ composite protective layer (2) is arranged outside the first cable connector (11), the intermediate welding section (13) and the second cable connector.

2. The cable fusion splice of claim 1, wherein the CMJ composite protective layer (2) comprises a CMJ conductor shield layer (21), an intermediate insulation layer (22), and an outer insulation shield layer (23), the CMJ conductor shield layer (21) being disposed on the splice body (1), the intermediate insulation layer (22) being disposed on the CMJ conductor shield layer (21), the outer insulation shield layer (23) being disposed on the intermediate insulation layer (22).

3. The cable fusion splice of claim 2, wherein the CMJ composite protective layer (2) further comprises a CMJ splice protective layer (24), the CMJ splice protective layer (24) being disposed on the outer insulation shield layer (23), and a lead seal (26) being disposed between the CMJ splice protective layer (24) and the cable metal jackets of the first and second cable splices (11, 12).

4. The cable fusion splice of claim 3, wherein a fiberglass cloth (241) is disposed over said CMJ splice protector layer (24), an insulating tape (242) is disposed over said fiberglass cloth (241), and a heat shrink tube (243) is disposed over said insulating tape (242).

5. The fusion-to-cable joint of claim 3, wherein two ground lines (244) are provided on the CMJ joint boot (24).

6. The fusion splice of cables of claim 2, wherein the intermediate insulating layer (22) is disposed on the CMJ conductor shield (21) by tooling (3).

7. The cable fusion-spliced joint of claim 6, wherein the tooling device (3) comprises a tooling cylinder (31), the tooling cylinder (31) is sleeved on the CMJ conductor shielding layer (21), a shunt is arranged on the tooling cylinder (31), the shunt (32) is communicated with a plasticizing part (35) on an extruder (34) through a rubber outlet pipe (33), the extruder is provided with a storage tank (36), an extrusion motor (37) and a base support (38), and an air purifier (39) is arranged on the storage tank (36).

8. The cable fusion splice of claim 6, wherein said first cable splice (11) and said second cable splice (12) are connected to cable conductors (4), said two cable conductors (4) are each provided with a full process module (5), said full process module comprises an upper support mechanism (6) and a lower support mechanism (7), said upper support mechanism is provided on said lower support mechanism, said upper support mechanism comprises a left block (61) and a right block (62), said cable conductors (4) are provided in said left block and said right block, said left block and said right block are connected to said lower support mechanism (7) by a horizontal locking member (63), said left block and said right block are each provided with a plurality of horizontal fixing inner holes (64) and horizontal fixing outer slots (65), said horizontal fixing inner holes (64) are provided with horizontal telescopic rods (66), said horizontal telescopic rods (66) comprise clamps (661), inner rods (662) and horizontal fixing rods (666), said horizontal fixing rods (666) are provided with horizontal fixing outer slots (65), said horizontal fixing inner holes (64) are provided with a first spring plate (664), said first spring plate (663) is connected to said second spring plate (663), said second spring plate (661) is connected to said middle spring plate (661), such that the plurality of collets bear against the cable conductor.

9. The cable fusion-spliced connector of claim 8, wherein the left side block (61) and the right side block (62) are respectively provided with two horizontal locking members (63), the two horizontal locking members (63) are arranged from top to bottom, each horizontal locking member (63) comprises two outer fixing plates (631), a horizontal locking rod (632) and a locking block (633), the two outer fixing plates (631) are respectively arranged on the left side block (61) and the right side block (62), the horizontal locking rod (632) is arranged on the left side block (61) and the right side block (62) in a penetrating manner, the locking block (633) is arranged on the horizontal locking rod (632) in a penetrating manner, the horizontal locking rod (632) below is connected with the lower supporting mechanism (7), and the horizontal locking rod (632) is provided with a level meter module (8).

10. The cable fusion splice according to claim 8, wherein the lower support mechanism (7) comprises a base plate (71), a vertical plate (72), two electric telescopic rods (73), and two slanted frames (74), wherein the vertical plate (72) is disposed on the base plate (71), the two electric telescopic rods (73) are disposed at both ends of the vertical plate (72) and connected to two horizontal locking members (63), the two slanted frames (74) are disposed on the base plate (71) and located at both sides of the vertical plate (72), the slanted frames (74) include a horizontal cylinder (741) and slanted bars (742), the horizontal cylinder (741) is disposed on the base plate (71), a horizontal open slot (743) is opened on the horizontal cylinder (741), an inner spring body (744) is disposed in the horizontal cylinder, the inner spring body (744) abuts against an inner limiting block (746) through an inner seat block (745), a hinge seat (747) corresponding to the horizontal cylinder is disposed on the inner seat block, a lower end of the slanted bar (742) is connected to the upper end of the left open slot, and a right side seat is disposed on the inner block (748).

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