CN114156003A

CN114156003A - Anti-twisting special composite cable

Info

Publication number: CN114156003A
Application number: CN202111508965.8A
Authority: CN
Inventors: 董凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-08

Abstract

The invention relates to the technical field of special composite cables and discloses an anti-twisting special composite cable which comprises a flame-retardant sleeve, wherein a built-in main cable is axially arranged on the flame-retardant sleeve, a main cable wrapping layer is sleeved on the built-in main cable, and a protective layer is annularly arranged on the surface of the main cable wrapping layer. Through the improvement to preventing the distortion cover mechanism, when the process of distortion appears, built-in main cable passes in first distortion ring and second distortion ring axle center department, thereby will built-in main cable is arranged in between first distortion ring and the second distortion ring and can be increased its security, in addition when first distortion ring and second distortion ring axial tension appear, the tensile property of cable can be guaranteed to a plurality of connecting ropes, and run through in first stop collar and the built-in intraductal auxiliary cable that is provided with between first distortion ring and second distortion ring, can realize the work that many cables laid on a cable, reduced the cost of installation.

Description

Anti-twisting special composite cable

Technical Field

The invention relates to the technical field of special composite cables, in particular to an anti-twisting special composite cable.

Background

With the wider and wider application range of the power cable, different use environments have different requirements, such as high temperature resistance, low temperature resistance, oil resistance, tear resistance, flame retardance, animal damage resistance and the like. Particularly, under the conditions of special use conditions and complex application environments, the requirement of special cables is increasingly outstanding, and higher requirements are put on the reliability and durability of the cables. Common special cables are: fire-proof cables, heating cables, environmental protection cables, etc. In the prior art, according to the requirements of special cables, special cables suitable for the requirements are often prepared by adopting new structures, new materials and new processes. With the development of technology, in the field of materials, traditional cable materials, such as polyethylene, polypropylene, polyvinyl chloride, silicone rubber, fluoroplastic, etc., have been difficult to meet practical needs.

The in-process of current special type composite cable using, inside cable is owing to adopt multiple compound material to wrap up it, its functionality can obtain very big improvement, but current special type composite cable's antitorque performance tightly relies on synthetic material's performance to realize that the distortion can cause inside damaged problem to appear, so, can cause the problem that special type composite cable life descends, carry out the multiline and lay under special operating mode moreover, divide the formula to lay like this and also can need to bridge the cable, so the cost also can increase.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an anti-twisting special composite cable, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-twisting special composite cable comprises an anti-twisting sleeve, wherein an internal main cable is arranged in the axial direction of the anti-twisting sleeve, a main cable wrapping layer is sleeved on the internal main cable, a protective layer is annularly arranged on the surface of the main cable wrapping layer, an anti-twisting sleeve mechanism is sleeved on the protective layer and comprises a first twisting ring and a second twisting ring, the second twisting ring comprises a plurality of second limiting sleeves and a plurality of second arc-shaped connecting blocks, two second arc-shaped connecting blocks are arranged on the surfaces of the second arc-shaped connecting blocks, the plurality of second limiting sleeves and the plurality of second arc-shaped connecting blocks are fixedly connected into an annular shape, an internal pipe is sleeved in the second limiting sleeve, a plurality of elastic blocks are fixedly connected to the surface of the internal pipe at equal intervals, the outer parts of the elastic blocks are fixedly connected to the inner wall of the second limiting sleeve at equal intervals, and transverse grooves are formed in the inner wall of the internal pipe, first distortion ring includes a plurality of first stop collars and a plurality of first arc connecting block, and is a plurality of first stop collars and a plurality of first arc connecting block is fixed into the annular form, runs through in the first stop collars on the same water flat line and the built-in and is provided with supplementary cable, first distortion ring with the relative one side of second distortion ring is through a plurality of connecting rope fixed connection, the cover is equipped with the crack control cover on the crack control cover mechanism, the cover is equipped with fire-retardant cover on the crack control cover.

As a further scheme of the invention: the built-in main cable comprises a main cable conductor, wherein an anti-shielding layer is sleeved on the main cable conductor, a built-in buffer sleeve is sleeved on the anti-shielding layer, an annular layer is reserved between the built-in buffer sleeve and the anti-shielding layer, a hollow air pressure layer is filled in the annular layer, and a binding layer is coated on the surface of the hollow air pressure layer.

As a still further scheme of the invention: thread cable wrapping layer includes inside fixed cover, inside fixed sheathe in is equipped with outside fixed cover, inside fixed cover with be provided with the buffer layer between the fixed cover of outside, the buffer layer includes two annular cover, inboard the annular cover surface evenly is provided with the bump, the outside the annular cover inner wall is provided with the circular port, the circular port endotheca is equipped with the gasbag cover, a pot head of bump is established in the circular port, just one side of bump with the surface of gasbag cover offsets, the surface of outside fixed cover includes arcwall face part and plane part, plane part with arcwall face part interval sets up, plane part is provided with the draw-in groove along the axial equidistance.

As a still further scheme of the invention: the auxiliary cable is provided with transverse strips at equal intervals, the transverse strips are inserted into the transverse grooves, fixing rings are arranged at equal intervals on the auxiliary cable, and the fixing rings are sleeved in the first limiting sleeve.

As a still further scheme of the invention: the protective layer comprises a plurality of hollow triangular strips, a clamping strip is arranged on one side of each hollow triangular strip and sleeved in the clamping groove, one side of each hollow triangular strip is fixedly connected with the plane part, a flame-retardant filling layer is sleeved in each hollow triangular strip, the protective layer further comprises a plurality of fan-shaped protective sleeves, flexible built-in strips are sleeved on two sides of an inner cavity of each fan-shaped protective sleeve, a plurality of circular through holes are formed in each flexible built-in strip, hollow flexible tubes are sleeved in the circular through holes, spaces are reserved between the hollow triangular strips and the fan-shaped protective sleeves, filling rubber is filled in the spaces, built-in elastic rods are filled in the hollow flexible tubes, a first arc-shaped seat and a second arc-shaped seat are fixedly connected to two sides of the inner wall of each fan-shaped protective sleeve respectively, and opposite sides of the first arc-shaped seat and the second arc-shaped seat are fixedly connected through telescopic rods, the middle parts of the opposite sides of the first arc-shaped seat and the second arc-shaped seat are fixedly connected through compression springs.

As a still further scheme of the invention: connect the rope including preventing distorting the rope, prevent distorting the rotatable head of the equal fixedly connected with in both ends of rope, the spacing groove has been seted up in the left side of rotatable head, the spacing inslot cover is equipped with the column spinner, still includes the installation piece, the installation piece with second mounting groove and first mounting groove have been seted up to the surperficial equidistance of column spinner, the second mounting groove with through two screw nail fixedly connected with connecting plates in the first mounting groove, one side fixedly connected with installation pole of installation piece, two installation pole fixed connection is in first distortion ring and second distortion ring's relative one side.

As a still further scheme of the invention: the anti-distortion rope comprises a variable flexible rope body, a plurality of embedded arc-shaped grooves are formed in the surface of the variable flexible rope body at equal intervals, and fixing rod bodies are embedded in the embedded arc-shaped grooves. .

(III) advantageous effects

The invention provides an anti-twisting special composite cable. The method has the following beneficial effects:

(1) through the improvement of the anti-twisting sleeve mechanism, when the anti-twisting mechanism is used, in the twisting process, the first twisting ring and the second twisting ring are arranged at intervals, and the connecting rope is arranged between the first twisting ring and the second twisting ring, when the first twisting ring and the second twisting ring rotate in opposite directions, the connecting rope arranged between the first twisting ring and the second twisting ring can limit the rotating range of the first twisting ring and the second twisting ring, so that the cable can be ensured to be always in a stable state, the inner cable cannot be damaged due to long-term twisting, the first twisting ring and the second twisting ring also have the supporting function, when external impact occurs, the first twisting ring and the second twisting ring can resist the external impact, and the built-in main cable penetrates through the axes of the first twisting ring and the second twisting ring, so that the built-in main cable is arranged between the first twisting ring and the second twisting ring, and the safety of the built-in main cable can be improved, in addition, when axial tension of the first twisting ring and the second twisting ring occurs, the tensile property of the cable can be guaranteed through the connecting ropes, the auxiliary cable penetrates through the first limiting sleeve and the built-in pipe between the first twisting ring and the second twisting ring, the multi-cable laying work can be achieved on one cable, and the installation cost is reduced.

(2) Through the improvement to built-in main line cable, the effect that anti-shield layer can play electromagnetic interference, the built-in buffer jacket that sets up moreover when the outside receives pressure, can play the effect of protecting to built-in main line cable, cavity atmospheric pressure in situ interval is provided with atmospheric pressure, utilizes the expansibility of atmospheric pressure for the inside cable can the separation heat under the microthermal condition of high temperature, avoids appearing the condition of deformation, and then has increased the security that built-in main line cable used.

(3) The improvement on thread cable wrapping layer, the buffer layer includes two annular covers, inboard annular cover surface evenly is provided with the bump, the annular cover inner wall in the outside is provided with the circular port, the circular port endotheca is equipped with the gasbag cover, a pot head of bump is established in the circular port, and one side of bump offsets with the surface of gasbag cover, like this when the cable receives the condition of pressing, the gasbag cover can disperse receiving pressure, and when receiving the impact, can carry out quick weakening to the impact, so can guarantee the security of whole cable.

(4) The utility model discloses a protection layer, including the thread cable, the thread cable wraps up the layer, the protection layer includes the annular setting, when the cable receives pressure, deformation appears in fan-shaped lag, be provided with telescopic link and compression spring between first arc seat and the second arc seat, can be when receiving the state that quick reply member is under the condition of pressure, can hold the safety of the inside cable of staple bolt like this, make the cable guarantee stable state all the time, and three V strips in cavity have stability, can protect the cable to make its condition that deformation can not appear to a certain extent.

Drawings

FIG. 1 is a side cross-sectional view of a structure of the present invention;

FIG. 2 is a schematic structural view of the anti-twisting sleeve mechanism of the present invention;

FIG. 3 is a schematic view of the construction of the connecting rope of the present invention;

fig. 4 is a schematic structural diagram of the built-in main cable according to the present invention.

In the figure: the anti-flaming jacket 1, the anti-cracking jacket 2, the built-in main cable 3, the main cable wrapping layer 4, the clamping groove 5, the hollow triangular strip 6, the anti-flaming filling layer 7, the fan-shaped protective jacket 8, the first torsion ring 9, the flexible built-in strip 10, the hollow flexible pipe 11, the filling rubber 12, the built-in elastic rod 13, the first arc-shaped seat 14, the second arc-shaped seat 15, the fixing ring 16, the first arc-shaped connecting block 17, the compression spring 18, the first limiting sleeve 19, the second torsion ring 20, the second arc-shaped connecting block 21, the second limiting sleeve 22, the transverse groove 23, the elastic block 24, the built-in pipe 25, the auxiliary cable 26, the connecting rope 27, the rotatable head 28, the rope body 29, the embedded arc-shaped groove 30, the fixing rod body 31, the limiting groove 32, the rotating column 33, the mounting block 34, the first mounting groove 35, the second mounting groove 36, the connecting plate 37, the threaded nail 38, the mounting rod 39, the

external fixing sleeve

40, 41, the internal fixing sleeve 42, the flame-resistant sleeve 7, the flexible sleeve 9, The bonding layer 43, the built-in buffer sleeve 44, the hollow air pressure layer 45, the anti-shielding layer 46, the main cable conductor 47 and the telescopic rod 48.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1 to 4, the present invention provides a technical solution: an anti-twisting special composite cable comprises an anti-twisting sleeve 1, wherein an internal main cable 3 is arranged in the axial direction of the anti-twisting sleeve 1, a main cable wrapping layer 4 is sleeved on the internal main cable 3, a protective layer is annularly arranged on the surface of the main cable wrapping layer 4, an anti-twisting sleeve mechanism is sleeved on the protective layer and comprises a first twisting ring 9 and a second twisting ring 20, the second twisting ring 20 comprises a plurality of second limiting sleeves 22 and a plurality of second arc-shaped connecting blocks 21, two second arc-shaped connecting blocks 21 are respectively arranged on the surface of each second arc-shaped connecting block 21, the plurality of second limiting sleeves 22 and the plurality of second arc-shaped connecting blocks 21 are fixedly connected into an annular shape, an internal pipe 25 is sleeved in each second limiting sleeve 22, a plurality of elastic blocks 24 are fixedly connected to the surface of the internal pipe 25 at equal intervals, the outer parts of the elastic blocks 24 are fixedly connected to the inner wall of the second limiting sleeves 22, transverse grooves are equidistantly arranged on the inner wall of the internal pipe 25, first distortion ring 9 includes a plurality of first stop collars 19 and a plurality of first arc connecting block 17, a plurality of first stop collars 19 and a plurality of first arc connecting block 17 are fixed into the annular form, run through being provided with supplementary cable 26 in the first stop collar 19 on the same water flat line and the inner catheter 25, first distortion ring 9 is through a plurality of connecting rope 27 fixed connection with the relative one side of second distortion ring 20, the cover is equipped with crack control cover 2 on the crack control cover mechanism, the cover is equipped with fire-retardant cover 1 on the crack control cover 2.

Through the improvement of the anti-twisting sleeve mechanism, when a twisting process occurs in use, due to the fact that the first twisting ring 9 and the second twisting ring 20 are arranged at intervals, the connecting rope 27 is arranged between the first twisting ring 9 and the second twisting ring 20, when the first twisting ring 9 and the second twisting ring 20 rotate in opposite directions, due to the connecting rope arranged between the first twisting ring 9 and the second twisting ring 20, the rotating range of the first twisting ring and the second twisting ring can be limited, the cable can be guaranteed to be always in a stable state, the problem that the inner cable is damaged due to long-term twisting is avoided, the first twisting ring 9 and the second twisting ring 20 also have a supporting function, when external impact occurs, the first twisting ring 9 and the second twisting ring 20 can resist the external impact, the built-in main cable 3 penetrates through the axle centers of the first twisting ring 9 and the second twisting ring 20, and the built-in main cable 3 is placed between the first twisting ring 9 and the second twisting ring 20, so that the safety of the built-in main cable can be improved In addition, when axial tension of the first torsion ring 9 and the second torsion ring 20 occurs, the plurality of connecting ropes 30 can ensure tensile performance of the cable, and an auxiliary cable 26 penetrates through the first limiting sleeve 19 and the inner pipe 25 between the first torsion ring 9 and the second torsion ring 20, so that the multi-cable laying work can be realized on one cable, and the installation cost is reduced.

The built-in main cable 3 comprises a main cable conductor 47, an anti-shielding layer 46 is sleeved on the main cable conductor 47, a built-in buffer sleeve 44 is sleeved on the anti-shielding layer 46, an annular layer is reserved between the built-in buffer sleeve 44 and the anti-shielding layer 46, a hollow air pressure layer 45 is filled in the annular layer, and a binding layer 43 is coated on the surface of the hollow air pressure layer 45.

Through the improvement to built-in main cable 3, prevent that shielding layer 46 can play electromagnetic interference's effect, and the built-in cushion collar 44 that sets up moreover, when the outside received pressure, can play the effect of protecting built-in main cable 3, the interval is provided with atmospheric pressure in the cavity atmospheric pressure layer 45, utilize the expansibility of atmospheric pressure for under the microthermal condition of high temperature of inside cable, can the separation heat, avoid appearing the condition of deformation, and then increased the security that built-in main cable 3 used.

Thread cable parcel layer 4 includes inside fixed cover 42, the cover is equipped with outside fixed cover 40 on the inside fixed cover 42, be provided with buffer layer 41 between inside fixed cover 42 and the outside fixed cover 40, buffer layer 41 includes two annular cover, inboard annular cover surface evenly is provided with the bump, the annular cover inner wall in the outside is provided with the circular port, the circular port endotheca is equipped with the gasbag cover, a pot head of bump is established in the circular port, and one side of bump offsets with the surface of gasbag cover, the surface of outside fixed cover 40 includes arcwall face part and plane part, plane part and arcwall face part interval set up, be provided with draw-in groove 5 along the axial equidistance on the plane part.

Through the improvement to thread cable parcel layer 4, buffer layer 41 includes two annular covers, inboard annular cover surface evenly is provided with the bump, the annular cover inner wall in the outside is provided with the circular port, the circular port endotheca is equipped with the gasbag cover, a pot head of bump is established in the circular port, and one side of bump offsets with the surface of gasbag cover, like this when the cable receives the condition of pressing, the gasbag cover can disperse receiving pressure, and when receiving the impact, can carry out quick weakening to the impact, so can guarantee the security of whole cable.

The auxiliary cable 26 is provided with transverse strips at equal intervals, the transverse strips are inserted into the transverse grooves, the auxiliary cable 26 is provided with fixing rings 16 at equal intervals, and the fixing rings 16 are sleeved in the first limiting sleeve 19.

The protective layer includes three square strip 6 of a plurality of cavitys, one side of three square strip 6 of cavitys is provided with the card strip, the card strip cover is established in draw-in groove 5, one side and the plane part fixed connection of three square strip 6 of cavitys, three square strip 6 endotheca of cavity are equipped with fire-retardant filling layer 7, still include a plurality of fan-shaped lag 8, the both sides of 8 inner chambers of fan-shaped lag all are equipped with flexible built-in strip 10, be provided with a plurality of circular through-holes on the flexible built-in strip 10, the circular through-hole endotheca is equipped with cavity flexible pipe 11, it has the space to reserve between three square strip 6 of cavity and the fan-shaped lag 8, the space intussuseption is filled with packing rubber 12, cavity flexible pipe 11 intussuseption is filled with built-in elastic rod 13, the both sides of 8 inner walls of fan-shaped lag are first arc seat 14 and second arc seat 15 of fixedly connected respectively, telescopic link 48 fixed connection is passed through to first arc seat 14 and second arc seat 15 relative one side middle part, 18 fixed connection is passed through compression spring in first arc seat 15 relative one side.

Through the improvement to the protective layer, a plurality of protective layer package annulars set up on thread cable parcel layer 4, when the cable received pressure, deformation appears in fan-shaped lag 8, be provided with telescopic link 48 and compression spring 18 between first arc seat 14 and the second arc seat 15, can be in the state that receives quick reply member under the condition of pressure is, can hold the safety of the inside cable of staple bolt like this, make the cable guarantee stable state all the time, and three V strips 6 of cavity have stability, can protect the cable to make its condition that deformation can not appear to a certain extent.

Connect rope 27 including preventing distorting the rope, prevent distorting the equal rotatable head 28 of fixedly connected with in both ends of restricting, spacing groove 32 has been seted up in the left side of rotatable head 28, spacing inslot 32 endotheca is equipped with column 33, still include installation piece 34, second mounting groove 36 and first mounting groove 35 have been seted up with column 33's surperficial equidistance to installation piece 34, through two screw 38 fixedly connected with connecting plates 37 in second mounting groove 36 and the first mounting groove 35, one side fixedly connected with installation pole 39 of installation piece 34, two installation pole 39 fixed connection are in first distortion ring 9 and the relative one side of second distortion ring 20.

The anti-distortion rope comprises a variable flexible rope body 29, a plurality of embedded arc-shaped grooves 30 are formed in the surface of the variable flexible rope body 29 at equal intervals, and fixing rod bodies 31 are embedded in the embedded arc-shaped grooves 30.

When the twisting process occurs, because the first twisting ring 9 and the second twisting ring 20 are arranged at intervals and the connecting rope 27 is arranged between the first twisting ring 9 and the second twisting ring 20, when the first twisting ring 9 and the second twisting ring 20 rotate in opposite directions, the connecting rope arranged between the first twisting ring 9 and the second twisting ring 20 can limit the rotating range of the first twisting ring 9 and the second twisting ring 20, so that the cable can be ensured to be always in a stable state, the inner cable cannot be twisted for a long time and has no damage problem, the first twisting ring 9 and the second twisting ring 20 also have a supporting function, when the outer impact occurs, the first twisting ring 9 and the second twisting ring 20 can resist the outer impact, and the built-in main cable 3 passes through the axial centers of the first twisting ring 9 and the second twisting ring 20, so that the built-in main cable 3 is arranged between the first twisting ring 9 and the second twisting ring 20, so that the safety can be increased, in addition, when axial tension of the first torsion ring 9 and the second torsion ring 20 occurs, the plurality of connection ropes 30 can ensure tensile performance of the cable, and an auxiliary cable 26 is arranged between the first torsion ring 9 and the second torsion ring 20 in the first limiting sleeve 19 and the inner tube 25 in a penetrating manner, so that the work of laying multiple cables on one cable can be realized, the installation cost is reduced, the improvement of the inner main cable 3 is realized, the shielding layer 46 can play a role in electromagnetic interference, the built-in buffer sleeve 44 is arranged, when the outside is subjected to pressure, the function of protecting the inner main cable 3 can be realized, air pressure is arranged in the hollow air pressure layer 45 at intervals, the expansion of the air pressure is utilized, so that the inner cable can block heat under the conditions of high temperature and low temperature, the deformation is avoided, the use safety of the inner main cable 3 is further improved, the buffer layer 41 comprises two annular sleeves, the inner side of the annular sleeve is uniformly provided with salient points, the inner wall of the outer side of the annular sleeve is provided with a circular hole, the circular hole is internally sleeved with an air bag sleeve, one end of each salient point is sleeved in the circular hole, and one side of each salient point is abutted against the surface of the air bag sleeve, so that when a cable is pressed, the air bag sleeve can disperse the pressure, and when the cable is impacted, the impact can be quickly weakened, so that the safety of the whole cable can be ensured, a plurality of protective layer packets are annularly arranged on the main line cable wrapping layer 4, when the cable is pressed, the fan-shaped protective sleeve 8 deforms, the telescopic rod 48 and the compression spring 18 are arranged between the first arc-shaped seat 14 and the second arc-shaped seat 15, the state of a member can be quickly replied under the pressure, the safety of the cable inside the cable can be hooped, and the cable can be always ensured to be in a stable state, and the hollow triangular bar 6 has stability, and can protect the cable to a certain extent so that the cable cannot deform

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 phrase "comprising a reference structure" does not exclude the presence of other identical 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. The anti-twisting special composite cable is characterized by comprising an anti-twisting sleeve (1), wherein a built-in main cable (3) is arranged in the axial direction of the anti-twisting sleeve (1), a main cable wrapping layer (4) is sleeved on the built-in main cable (3), a protective layer is annularly arranged on the surface of the main cable wrapping layer (4), an anti-twisting sleeve mechanism is sleeved on the protective layer and comprises a first twisting ring (9) and a second twisting ring (20), the second twisting ring (20) comprises a plurality of second limiting sleeves (22) and a plurality of second arc-shaped connecting blocks (21), two second arc-shaped connecting blocks (21) are respectively arranged on the surface of each second arc-shaped connecting block (21), the second limiting sleeves (22) and the second arc-shaped connecting blocks (21) are fixedly connected into an annular shape, a built-in pipe (25) is sleeved in each second limiting sleeve (22), a plurality of elastic blocks (24) are fixedly connected to the surface of the inner pipe (25) at equal intervals, the outer part of the elastic block (24) is fixedly connected with the inner wall of the second limiting sleeve (22), transverse grooves are equidistantly formed in the inner wall of the built-in pipe (25), the first torsion ring (9) comprises a plurality of first limiting sleeves (19) and a plurality of first arc-shaped connecting blocks (17), the plurality of first limiting sleeves (19) and the plurality of first arc-shaped connecting blocks (17) are fixed into a ring shape, auxiliary cables (26) penetrate through the first limiting sleeves (19) and the built-in pipe (25) on the same horizontal line, the opposite side of the first twisting ring (9) and the second twisting ring (20) is fixedly connected through a plurality of connecting ropes (27), the anti-twisting sleeve mechanism is sleeved with an anti-cracking sleeve (2), and the anti-cracking sleeve (2) is sleeved with a flame-retardant sleeve (1).

2. The special composite cable of claim 1, wherein: built-in main cable (3) include main cable conductor (47), the cover is equipped with anti-shield layer (46) on main cable conductor (47), the cover is equipped with built-in cushion collar (44) on anti-shield layer (46), it has the annular layer to reserve between built-in cushion collar (44) and anti-shield layer (46), the annular intussuseption is filled with cavity atmospheric pressure layer (45), the surface of cavity atmospheric pressure layer (45) is paintd and is provided with laminating layer (43).

3. The special composite cable of claim 1, wherein: thread cable wrapping layer (4) are including inside fixed cover (42), the cover is equipped with outside fixed cover (40) on inside fixed cover (42), inside fixed cover (42) with be provided with buffer layer (41) between outside fixed cover (40), buffer layer (41) include two annular cover, inboard the annular cover surface evenly is provided with the bump, the outside the annular cover inner wall is provided with the circular port, circular hole endotheca is equipped with the gasbag cover, the pot head of bump is established in the circular port, just one side of bump with the surface of gasbag cover offsets, the surface of outside fixed cover (40) includes arcwall face part and plane part, plane part with arcwall face part interval sets up, be provided with draw-in groove (5) along the axial equidistance on the plane part.

4. The special composite cable of claim 1, wherein: the auxiliary cable (26) is equidistantly provided with transverse strips, the transverse strips are inserted into the transverse grooves, the auxiliary cable (26) is equidistantly provided with fixing rings (16), and the fixing rings (16) are sleeved in the first limiting sleeve (19).

5. The special composite cable of claim 1, wherein: the protective layer includes three angle bars (6) of a plurality of cavitys, one side of three angle bars (6) of cavity is provided with the card strip, the card strip cover is established in draw-in groove (5), one side and the plane part fixed connection of three angle bars (6) of cavity, three angle bars (6) endotheca of cavity are equipped with fire-retardant filling layer (7), still include a plurality of fan-shaped lag (8), the both sides of fan-shaped lag (8) inner chamber all overlap and are equipped with flexible built-in strip (10), be provided with a plurality of circular through-holes on flexible built-in strip (10), circular through-hole endotheca is equipped with cavity flexbile duct (11), three angle bars of cavity (6) with it has space to reserve between fan-shaped lag (8), the space intussuseption is filled with packing rubber (12), cavity flexbile duct (11) intussuseption is filled with built-in elastic rod (13), the both sides difference fixedly connected with first arc seat (14) and second arc seat (15) of fan-shaped lag (8) inner wall ) The opposite sides of the first arc-shaped seat (14) and the second arc-shaped seat (15) are fixedly connected through an expansion rod (48), and the middle parts of the opposite sides of the first arc-shaped seat (14) and the second arc-shaped seat (15) are fixedly connected through a compression spring (18).

6. The special composite cable of claim 1, wherein: connect rope (27) including preventing distorting the rope, prevent distorting the rotatable head of the equal fixedly connected with in both ends (28) of rope, spacing groove (32) have been seted up in the left side of rotatable head (28), spacing groove (32) endotheca is equipped with rotary column (33), still includes installation piece (34), installation piece (34) with second mounting groove (36) and first mounting groove (35) have been seted up to the surperficial equidistance of rotary column (33), second mounting groove (36) with through two screw nail (38) fixedly connected with connecting plate (37) in first mounting groove (35), one side fixedly connected with installation pole (39) of installation piece (34), two installation pole (39) fixed connection be in the relative one side of first distortion ring (9) and second distortion ring (20).

7. The special composite cable of claim 1, wherein: the anti-distortion rope comprises a variable flexible rope body (29), a plurality of embedded arc-shaped grooves (30) are formed in the surface of the variable flexible rope body (29) at equal intervals, and fixing rod bodies (31) are embedded in the embedded arc-shaped grooves (30).