CN113541063A

CN113541063A - MPP cable protection pipe with prevent that cable distortion piles up function

Info

Publication number: CN113541063A
Application number: CN202110877295.0A
Authority: CN
Inventors: 娄风妮
Original assignee: Individual
Current assignee: Anhui Guangsheng Pipe Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-10-22
Anticipated expiration: 2041-07-31
Also published as: CN113541063B

Abstract

The invention discloses an MPP cable protection pipe with a function of preventing cable distortion and accumulation, which comprises a pipe body, wherein an inner pipe is coaxially arranged in the pipe body, six groups of separating strips are uniformly and fixedly connected between the inner pipe and the inner wall of the pipe body in the circumferential direction, each group of separating strips consists of two separating strips, a cable hole is formed between the separating strips and the pipe body and between the pipe body and the inner pipe, cables are inserted in the six cable holes, end blocks are fixedly connected to two ends of the inner pipe, a moving rod is coaxially arranged in the inner pipe, two sliding rods are arranged on the moving rod in a sliding penetrating mode, and two ends of the two sliding rods are fixedly connected with one side, opposite to the two end blocks, of the two sliding rods respectively. Has the advantages that: set up a plurality of cable holes in the body, the cable is worn to establish through the cable hole and is utilized closing device to compress tightly, guarantees that the cable can not take place to distort and pile up the phenomenon, and the body can not take place deformation easily simultaneously, and has improved the electromagnetic shield effect between each cable.

Description

MPP cable protection pipe with prevent that cable distortion piles up function

Technical Field

The invention relates to the technical field of cable protection pipes, in particular to an MPP cable protection pipe with a function of preventing cable twisting and stacking.

Background

The cable protection pipe is a metal protection pipe which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged. The cable protection pipe is mainly installed in a section where the communication cable and the power line are crossed, so that the short circuit accident caused by the disconnection of the power line is prevented, the communication cable and the steel wire rope are electrified, the cable, the switch and the machine core board are protected, the whole machine is not burnt out, and a certain isolation effect is achieved on the magnetic field interference of the power line.

Inside constitution of current cable protection pipe is comparatively simple, lacks in the protective tube and supports divided structure to the cable inlet wire, wears to establish the back with the cable, and the cable twists easily in the cable protection pipe and piles up to cause the self of cable to damage, shortened the life-span of cable, inconvenient user's use.

To solve the above problems, we propose an MPP cable protection tube having a function of preventing the cable from being twisted and piled up.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides an MPP cable protection pipe with a function of preventing cable twisting and stacking.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a MPP cable protection pipe with prevent that cable distortion piles up function, includes the body, the coaxial inner tube that is provided with in the body, six group parting bead of the even fixedly connected with of circumference between inner tube and the body inner wall, every group the parting bead constitute by two parting beads and with the body and the inner tube between constitute the cable hole jointly, six all insert in the cable hole and be equipped with the cable, the equal fixedly connected with end block in inner tube both ends, the coaxial carriage release lever that is provided with in the inner tube, slide on the carriage release lever and run through and be provided with two slide bars, two the slide bar both ends respectively with two relative one side fixed connection of end block, just be provided with a plurality of closing device in the impartial distance in the corresponding position in each cable hole on the carriage release lever.

In the above-mentioned MPP cable protection pipe with prevent that cable distortion piles up function, body, inner tube and parting bead are MPP material and make.

In the above MPP cable protection tube with the function of preventing the cable from being twisted and piled up, the cross section of the moving rod has a regular hexagonal structure.

In foretell MPP cable protection pipe with prevent that cable distortion piles up function, closing device includes that vertical slip runs through the push rod of inner tube, the push rod is located the curved briquetting of one end fixedly connected with of cable hole, the one end fixedly connected with limiting plate that the push rod is close to the carriage release lever, common fixedly connected with spring between limiting plate and the inner tube inner wall, the spring housing is established on the push rod, the limiting plate lower extreme is equipped with the pulley, pulley and carriage release lever surface rolling contact, on the carriage release lever and at the equal fixedly connected with stopper in each push rod right side position, one side that the stopper is close to corresponding the push rod is the inclined plane of from the left hand right side tilt up.

In foretell MPP cable protection pipe with prevent that cable distortion piles up function, the thread groove has been seted up to the carriage release lever left end, thread groove female connection has the threaded rod, the threaded rod is kept away from the one end of thread groove and is run through and be located left end block and rotate with it and be connected, the left end fixedly connected with turning block of threaded rod.

In the MPP cable protection tube with the function of preventing the distortion and accumulation of the cable, a plurality of annular grooves are equidistantly formed in the outer peripheral surface of the tube body, a square supporting frame is clamped in each annular groove, notches are formed in four inner walls of the supporting frame and positions close to the inner peripheral walls of the annular grooves, four steel wires are uniformly arranged in the tube body in a penetrating manner in the circumferential direction, each steel wire respectively penetrates through the corresponding notch, a movable cavity is formed in one side of each notch in the supporting frame, a movable plate is arranged in the position close to the bottom of each notch in the movable cavity, one end of each movable plate extends into each notch, the other end of each movable plate is fixedly connected with a vertical plate, one side of each vertical plate far away from each notch is fixedly connected with a push block with a right-angled triangle-shaped cross section, bolts are arranged on the four outer walls of each supporting frame and corresponding positions of the movable cavities, and lower end threads of each bolt penetrate into each movable cavity and are fixedly connected with a ball block, the ball block corresponds to the inclined plane of the push block.

Compared with the prior art, this MPP cable protection pipe with prevent that cable distortion piles up function's advantage lies in:

1. according to the invention, the inner pipe is arranged in the pipe body, and the six cable holes which are formed by equally dividing the dividing strips are arranged between the pipe body and the inner pipe, so that when the cable is penetrated, the cable penetrates through the pipe body through each cable hole, and then all the cables in the pipe body are uniformly distributed, can not be mutually contacted and wound, have good electrical insulation property, and avoid mutual electromagnetic interference.

2. After the cables penetrate through the corresponding cable holes, the cables can be tightly pressed by the pressing device only by rotating the rotating block, and then the cables cannot move in the corresponding cable holes respectively, so that the phenomenon of twisting and stacking is avoided, and the service life of the cables is prolonged.

3. By arranging the protective frame and the steel wire, when the cable protection device is arranged under the ground, in concrete or in a wall body, the support of the protective frame and the shaping of the steel wire can be utilized, so that the pipe body cannot be easily deformed by external pressure, the structural strength of the pipe body is improved, and the cable in the pipe body is protected from being damaged.

Drawings

FIG. 1 is a perspective view of an embodiment 1 of an MPP cable protection tube with a function of preventing cable twist stacking according to the present invention;

FIG. 2 is a perspective view showing the front side of the inner tube of the MPP cable protection tube with the function of preventing the twisting and stacking of the cable in embodiment 1;

FIG. 3 is a perspective view of the MPP cable protection tube with the function of preventing the twisting and stacking of the cable in the embodiment 1;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a perspective view of an embodiment 2 of an MPP cable protection tube with a function of preventing cable twist stacking according to the present invention;

FIG. 6 is a perspective view of the front side of the support frame in embodiment 1 of the MPP cable protection tube with the function of preventing the cable from twisting and stacking according to the present invention;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

In the figure: the device comprises a pipe body 1, an inner pipe 2, a separation strip 3, a cable hole 4, an end block 5, a moving rod 6, a thread groove 7, a threaded rod 8, a rotating block 9, a push rod 10, a pressing block 11, a limiting plate 12, a spring 13, a pulley 14, a limiting block 15, a sliding rod 16, an annular groove 17, a steel wire 18, a supporting frame 19, a notch 20, a movable cavity 21, a movable plate 22, a vertical plate 23, a pushing block 24, a bolt 25 and a ball block 26.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

Referring to fig. 1-4, an MPP cable protection pipe with prevent that cable distortion piles up function, including body 1, coaxial inner tube 2 that is provided with in the body 1, the even fixedly connected with six group's parting bead 3 of circumference between inner tube 2 and the 1 inner wall of body, every group parting bead 3 constitute by two parting beads 3 and with body 1 and inner tube 2 between constitute cable hole 4 jointly, all insert in six cable hole 4 and be equipped with the cable, body 1, inner tube 2 and parting bead 3 are the MPP material and make, the MPP material has good electrical insulation, it all has to be located to distribute between each cable of each cable hole 4, can not take place the contact, good electromagnetic shield effect has simultaneously. The cable protection pipe has higher thermal deformation temperature and low-temperature impact performance, and meanwhile, the cable protection pipe is light and smooth in quality, small in friction main force and capable of being in butt joint through hot-melting welding, and greatly facilitates installation of workers.

End blocks 5 are fixedly connected to two ends of the inner pipe 2, a moving rod 6 is coaxially arranged in the inner pipe 2, two sliding rods 16 are arranged on the moving rod 6 in a sliding and penetrating mode, two ends of each sliding rod 16 are fixedly connected with one side, opposite to the end blocks 5, of each end block 5 respectively, the moving rod 6 can move left and right through the two sliding rods 16, and a plurality of pressing devices are arranged on the moving rod 6 and in equal distances at corresponding positions of the cable holes 4.

The cross-section of carriage release lever 6 is regular hexagon structure, and six cable holes 4 are corresponded to regular hexagon's structure, and closing device includes that vertical slip runs through the push rod 10 of inner tube 2, and push rod 10 is located the curved briquetting 11 of one end fixedly connected with of cable hole 4, and the cable is conveniently pressed to briquetting 11, makes it fix in cable hole 4. One end of the push rod 10 close to the moving rod 6 is fixedly connected with a limiting plate 12, so that the spring 13 and the pulley 14 are convenient to install while the limiting function is achieved.

Common fixedly connected with spring 13 between limiting plate 12 and the 2 inner walls of inner tube, spring 13 cover is established on push rod 10, push rod 10 can reciprocate, spring 13 can provide the reverse effort that push rod 10 removed, limiting plate 12 lower extreme is equipped with pulley 14, pulley 14 and carriage release lever 6 surface rolling contact, when carriage release lever 6 removes, pulley 14 rolls with carriage release lever 6 relatively, on carriage release lever 6 and at the equal fixedly connected with stopper 15 in each push rod 10 right side position, stopper 15 is close to the inclined plane that corresponds one side of push rod 10 and be from the left side to the right side tilt up, when carriage release lever 6's removal, pulley 14 can roll the inclined plane, and then make push rod 10 shift up, compression spring 13, and utilize briquetting 11 to press the cable, make the cable fix in the cable hole 4 that corresponds.

Threaded groove 7 has been seted up to the 6 left ends of carriage release lever, and threaded groove 7 female connection has threaded rod 8, and threaded rod 8 is kept away from threaded groove 7 one end and is run through and be located left end block 5 and rotate with it and be connected, and threaded rod 8's left end fixedly connected with turning block 9 rotates turning block 9, can be at threaded rod 8 and threaded groove 7's effect under the carriage release lever 6 of moving.

In the invention, a cable to be protected penetrates through a pipe body 1 through a cable hole 4, then only a rotating block 9 needs to be rotated, the rotating block 9 is used for driving a threaded rod 8 to rotate, then the threaded rod 8 can drive a moving rod 6 to move leftwards under the limiting action of a sliding rod 16 by using a threaded groove 7, the inclined surface of each limiting block 15 moves to the lower part of a corresponding push rod 10 in the moving process, the push rod 10 slides on the limiting block 15 by using a pulley 14, the push rod 10 gradually moves upwards under the action of the inclined surface, a spring 13 is compressed, a pressing block 11 is further pushed to press the corresponding cable tightly, the position of the cable is fixed, the cable cannot be twisted or stacked in the protecting pipe, the service life of the cable is prolonged, when the cable needs to be taken out, the rotating block 9 is rotated reversely, the moving rod 6 can be easily on the right, the pulley 14 moves downwards along the inclined surface of the limiting block 15, the push rod 10 resets under the action of the spring 13, the cable can be easily drawn out of the tube body 1 without pressing the cable by the pressing block 11.

Every cable hole 4 all sets up through 3 intervals of parting bead, and parting bead 3 makes for the MPP material, makes electrical insulation nature good between each cable hole 4, and then can not take place electromagnetic influence between each cable, and the winding phenomenon can not take place for mutual contact simultaneously, guarantees the stability of cable transmission electric energy.

Example 2

Referring to fig. 5 to 7, this embodiment is improved over embodiment 1 in that: a plurality of ring channels 17 have been seted up on the equidistant on body 1 outer peripheral face, all block in each ring channel 17 and be equipped with square carriage 19, and carriage 19 is formed by four wood system member bonds, has certain structural strength, can reduce the pressure of the external world to body 1, avoids body 1 to take place extrusion deformation, plays the effect of protection inside cable.

Notches 20 are formed in four inner walls of the supporting frame 19 and positions close to the inner peripheral wall of the annular groove 17, four steel wires 18 are uniformly arranged in the pipe body 1 in a penetrating manner in the circumferential direction, the steel wires 18 have the function of improving the structural strength of the pipe body 1, each steel wire 18 is arranged in a penetrating manner in a corresponding notch 20, a movable cavity 21 is formed in the supporting frame 19 and in one side position of each notch 20, a movable plate 22 is arranged in the movable cavity 21 and in a position close to the bottom of the notch 20, one end of the movable plate 22 extends into the notch 20, the other end of the movable plate 22 is fixedly connected with a vertical plate 23, a push block 24 with a right-angled triangle-shaped cross section is fixedly connected to one side of the vertical plate 23 far away from the notch 20, an inclined surface is formed on the push block 24, bolts 25 are arranged on four outer walls of each supporting frame 19 and in corresponding positions of the movable cavities 21, lower end threads of the bolts 25 penetrate into the movable cavity 21 and are fixedly connected with ball blocks 26, and the ball blocks 26 correspond to the inclined surfaces of the push block 24, when the bolt 25 is tightened to move the ball 26 downward to contact the inclined surface of the push block 24, the push block 24 will push the movable plate 22 to move through the vertical plate 23, so that the movable plate 22 shields the lower end of the slot 20, and then the steel wire 18 located in the slot 20 is limited by the movable plate 22, so that the steel wire 18 is connected with the support frame 19.

When the MPP pipe body is required to be buried underground, in concrete or in a wall body, the pipe body 1 made of MPP materials is easy to deform under the action of external pressure, and then the internal cables are extruded and damaged, at the moment, the supporting frames 19 are only required to be clamped in the annular grooves 17, so that the pipe body has good supporting and pressure-resisting effects, and under the combined action of the steel wires 18 and the supporting frames 19, when the pipe body 1 is subjected to downward pressure, the steel wires 18 can generate an upward supporting force, so that the pipe body 1 can be kept from deforming, and a good shaping effect is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An MPP cable protection tube with the function of preventing the twisting and stacking of cables comprises a tube body (1), it is characterized in that an inner pipe (2) is coaxially arranged in the pipe body (1), six groups of parting strips (3) are uniformly and fixedly connected between the inner pipe (2) and the inner wall of the pipe body (1) in the circumferential direction, each group of parting strips (3) consists of two parting strips (3) and forms cable holes (4) together with the pipe body (1) and the inner pipe (2), cables are inserted in the six cable holes (4), both ends of the inner pipe (2) are fixedly connected with end blocks (5), a moving rod (6) is coaxially arranged in the inner pipe (2), two sliding rods (16) are arranged on the moving rod (6) in a sliding and penetrating way, two ends of the two sliding rods (16) are respectively fixedly connected with one opposite side of the two end blocks (5), and a plurality of pressing devices are arranged on the movable rod (6) at equal intervals at corresponding positions of the cable holes (4).

2. The MPP cable protection tube with the function of preventing the twisting and stacking of cables as claimed in claim 1, wherein the tube body (1), the inner tube (2) and the separation strip (3) are all made of MPP material.

3. The MPP cable protection tube with the function of preventing the twisting and stacking of cables as claimed in claim 1, wherein the cross section of the moving rod (6) is in a regular hexagon structure.

4. The MPP cable protection tube with the function of preventing the cable twist stacking as claimed in claim 1, it is characterized in that the pressing device comprises a push rod (10) which vertically slides and penetrates through the inner pipe (2), one end of the push rod (10) positioned in the cable hole (4) is fixedly connected with an arc-shaped pressing block (11), a limit plate (12) is fixedly connected at one end of the push rod (10) close to the movable rod (6), a spring (13) is fixedly connected between the limiting plate (12) and the inner wall of the inner tube (2), the spring (13) is sleeved on the push rod (10), the lower end of the limit plate (12) is provided with a pulley (14), the pulley (14) is in rolling contact with the surface of the moving rod (6), the moving rod (6) is fixedly connected with a limiting block (15) at the right side of each push rod (10), one side of the limiting block (15) close to the corresponding push rod (10) is an inclined plane which inclines upwards from left to right.

5. The MPP cable protection tube with the function of preventing the twisting and stacking of cables as claimed in claim 1, wherein the moving rod (6) is provided with a thread groove (7) at the left end, the thread groove (7) is internally threaded with a threaded rod (8), one end of the threaded rod (8) far away from the thread groove (7) penetrates through and is rotatably connected with an end block (5) at the left side, and a rotating block (9) is fixedly connected with the left end of the threaded rod (8).

6. The MPP cable protection tube with the function of preventing the twisting and stacking of cables as claimed in claim 1, wherein a plurality of annular grooves (17) are equidistantly formed on the outer circumferential surface of the tube body (1), a square support frame (19) is clamped in each annular groove (17), notches (20) are formed in four inner walls of the support frame (19) and positions close to the inner circumferential wall of the annular groove (17), four steel wires (18) uniformly penetrate through the inner circumferential surface of the tube body (1), each steel wire (18) is respectively arranged to penetrate through the corresponding notch (20), a movable cavity (21) is formed in each notch (20) and positioned on one side of each notch (20) in the support frame (19), a movable plate (22) is arranged in each movable cavity (21) and a position close to the bottom of the notch (20), one end of the movable plate (22) extends into the notch (20), The other end fixedly connected with riser (23), one side fixedly connected with push block (24) that notch (20) was kept away from in riser (23) cross-section is right angled triangle, each on four outer walls of carriage (19) and all be equipped with bolt (25) in the corresponding position in activity chamber (21), bolt (25) lower extreme screw thread runs through to activity chamber (21) in and fixedly connected with ball (26), ball (26) correspond with the inclined plane of push block (24).