CN213959634U - High strength MPP cable protection pipe - Google Patents
High strength MPP cable protection pipe Download PDFInfo
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- CN213959634U CN213959634U CN202023174669.2U CN202023174669U CN213959634U CN 213959634 U CN213959634 U CN 213959634U CN 202023174669 U CN202023174669 U CN 202023174669U CN 213959634 U CN213959634 U CN 213959634U
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Abstract
The utility model discloses a high strength MPP cable protection pipe, including the protection tube main part, the outer terminal surface of protection tube main part is provided with the inoxidizing coating, and the interior terminal surface of inoxidizing coating is provided with the shielding layer, and the interior terminal surface of shielding layer is provided with the tensile layer, and the interior terminal surface on tensile layer is provided with the articulamentum, and the interior terminal surface of articulamentum is provided with the strengthening rib, and the strengthening rib is provided with fire-retardant layer along the extending direction equidistance align to grid of protection tube main part between the strengthening rib. The utility model discloses add the inoxidizing coating in the outer end of protection tube main part, promoted the wear resistance and the corrosion resisting property of protection tube main part greatly, add the stretch-proofing layer in the protection tube main part, promoted the stretch-proofing performance of protection tube main part greatly, add the strengthening rib of cyclic annular aluminum alloy material in the protection tube main part, promoted the heat dispersion and the structural strength of protection tube main part greatly, through adding fire-retardant layer at the interior terminal surface of protection tube main part, the intensity of a fire when having reduced the cable spontaneous combustion spreads speed.
Description
Technical Field
The utility model belongs to the technical field of the cable protection pipe, specifically be a high strength MPP cable protection pipe.
Background
The MPP pipe adopts modified polypropylene as a main raw material, has the characteristics of high temperature resistance and external pressure resistance, and can be widely used for pipeline engineering of municipal administration, telecommunication, electric power, coal gas, heat power and the like.
An authorization notice number CN211266317U discloses an MPP cable protection tube, which comprises an outer layer tube, an inner layer tube, a spring structure and a roller structure, wherein the spring structure is connected with the outer layer tube; the inner-layer pipe is connected to the spring structure; the roller structure is connected to the inner-layer pipe; the roller structure comprises a fixing frame, a roller, a first fixing rod, a ball bearing and a second fixing rod, wherein the fixing frame is installed on the inner wall of the inner pipe, the first fixing rod is installed on the inner wall of the fixing frame, the second fixing rod is installed on the side wall of the first fixing rod, the ball bearing is installed on the side wall of the second fixing rod, and the roller is installed on the side wall of the ball bearing.
Above-mentioned MPP cable protection pipe that discloses, this cable protection pipe structure intensity is not enough, and easy fracture, and fire behavior is not good, and the cable temperature is too high takes place spontaneous combustion easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength MPP cable protection pipe to solve among the prior art cable protection pipe structural strength not enough, do not possess the problem of fire-proof ability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength MPP cable protection pipe, includes the protection tube main part, the outer terminal surface of protection tube main part is provided with the inoxidizing coating, the inner terminal surface of inoxidizing coating is provided with the shielding layer, the inner terminal surface of shielding layer is provided with the tensile layer, the inner terminal surface on tensile layer is provided with the articulamentum, the inner terminal surface of articulamentum is provided with the strengthening rib, the extending direction equidistance align to grid of protection tube main part is followed to the strengthening rib, be provided with fire-retardant layer between the strengthening rib.
Preferably, the protective layer is made of engineering plastics, and the engineering plastics have good wear resistance and structural strength, and can effectively prevent the protective tube main body from being worn or corroded by the external environment.
Preferably, the shielding layer is made of aluminum foil, and the aluminum foil can effectively shield electromagnetic signals and avoid the cable from being interfered by external electromagnetic signals.
Preferably, the stretch-proofing layer is made of nylon fiber, and the nylon fiber has good stretch-proofing performance, so that the toughness of the protection tube main body is greatly improved.
Preferably, the connecting layer is made of PP, and the tensile layer, the reinforcing ribs and the flame-retardant layer are connected into a whole by the connecting layer, so that the integral connection strength of the protective tube main body is improved.
Preferably, the strengthening rib is the ring that a plurality of aluminum alloys were made, and the aluminum alloy has good heat conductivility and structural strength, can increase the heat radiating area of cable when having strengthened the compressive capacity of protection tube main part greatly, promotes the radiating effect, reduces cable spontaneous combustion probability.
Preferably, the fire-retardant layer adopts the EPS cystosepiment to make, and the EPS cystosepiment has good flame retardant efficiency, reduces the diffusion velocity after the cable spontaneous combustion, and the EPS cystosepiment has good buffer capacity simultaneously, and the EPS cystosepiment can protect inside cable when the protection tube main part is buckled.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses add the inoxidizing coating in the outer end of protection tube main part, promoted the wear resistance and the corrosion resisting property of protection tube main part greatly, add the stretch-proofing layer in the protection tube main part, promoted the stretch-proofing performance of protection tube main part greatly, add the strengthening rib of cyclic annular aluminum alloy material in the protection tube main part, promoted the heat dispersion and the structural strength of protection tube main part greatly, through adding fire-retardant layer at the interior terminal surface of protection tube main part, the intensity of a fire when having reduced the cable spontaneous combustion spreads speed.
Drawings
Fig. 1 is a front sectional view of the present invention.
In the figure: the protective tube comprises a protective tube body, 11 protective layers, 12 shielding layers, 13 tensile layers, 14 connecting layers, 15 reinforcing ribs and 16 flame retardant layers.
Detailed Description
Referring to fig. 1, the high-strength MPP cable protection tube comprises a protection tube main body 1, wherein a protection layer 11 is poured on the outer end face of the protection tube main body 1, a shielding layer 12 is glued on the inner end face of the protection layer 11, a tensile layer 13 is glued on the inner end face of the shielding layer 12, a connecting layer 14 is poured on the inner end face of the tensile layer 13, reinforcing ribs 15 are welded on the inner end face of the connecting layer 14, the reinforcing ribs 15 are uniformly arranged at equal intervals along the extending direction of the protection tube main body 1, and a flame retardant layer 16 is filled between the reinforcing ribs 15.
Referring to fig. 1, a protective layer 11 is made of engineering plastics, the engineering plastics have good wear resistance and structural strength, and can effectively prevent a protective tube main body 1 from being worn or corroded by an external environment, a shielding layer 12 is made of aluminum foil, the aluminum foil can effectively shield electromagnetic signals and prevent cables from being interfered by external electromagnetic signals, a stretch-resistant layer 13 is made of nylon fibers, the nylon fibers have good stretch-resistant performance, the toughness of the protective tube main body 1 is greatly improved, a connecting layer 14 is made of PP, the connecting layer 14 connects the stretch-resistant layer 13, a reinforcing rib 15 and a flame-retardant layer 16 into a whole, and the overall connection strength of the protective tube main body 1 is improved.
Referring to fig. 1, the reinforcing ribs 15 are circular rings made of a plurality of aluminum alloys, the aluminum alloys have good heat conductivity and structural strength, the pressure resistance of the protection tube main body 1 is greatly enhanced, the heat dissipation area of a cable can be increased, the heat dissipation effect is improved, the spontaneous combustion probability is reduced, the flame-retardant layer 16 is made of an EPS foam board, the EPS foam board has a good flame-retardant effect, the diffusion speed of the cable after spontaneous combustion is reduced, meanwhile, the EPS foam board has good buffering capacity, and the EPS foam board can protect an internal cable when the protection tube main body 1 is bent.
The working principle of the scheme is as follows: the utility model discloses add inoxidizing coating 11 in the outer end of protection tube main part 1, the wear resistance and the corrosion resistance of protection tube main part 1 have been promoted greatly, add stretch-proofing layer 13 in protection tube main part 1, the stretch-proofing performance of protection tube main part 1 has been promoted greatly, add the strengthening rib 15 of cyclic annular aluminum alloy material in protection tube main part 1, the heat dispersion and the structural strength of protection tube main part 1 have been promoted greatly, through adding fire-retardant layer 16 at the interior terminal surface of protection tube main part 1, the intensity of a fire when having reduced the cable spontaneous combustion spreads speed.
Claims (7)
1. The utility model provides a high strength MPP cable protection pipe, includes protection tube main part (1), its characterized in that: the outer terminal surface of protection tube main part (1) is provided with inoxidizing coating (11), the inner terminal surface of inoxidizing coating (11) is provided with shielding layer (12), the inner terminal surface of shielding layer (12) is provided with stretch-proofing layer (13), the inner terminal surface of stretch-proofing layer (13) is provided with articulamentum (14), the inner terminal surface of articulamentum (14) is provided with strengthening rib (15), extending direction equidistance align to grid of protection tube main part (1) is followed in strengthening rib (15), be provided with fire-retardant layer (16) between strengthening rib (15).
2. The MPP cable protection tube of claim 1, wherein: the protective layer (11) is made of engineering plastics.
3. The MPP cable protection tube of claim 1, wherein: the shielding layer (12) is made of aluminum foil.
4. The MPP cable protection tube of claim 1, wherein: the stretch-resistant layer (13) is made of nylon fibers.
5. The MPP cable protection tube of claim 1, wherein: the connecting layer (14) is made of PP.
6. The MPP cable protection tube of claim 1, wherein: the reinforcing ribs (15) are circular rings made of a plurality of aluminum alloys.
7. The MPP cable protection tube of claim 1, wherein: the flame-retardant layer (16) is made of EPS foam boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174669.2U CN213959634U (en) | 2020-12-25 | 2020-12-25 | High strength MPP cable protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174669.2U CN213959634U (en) | 2020-12-25 | 2020-12-25 | High strength MPP cable protection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213959634U true CN213959634U (en) | 2021-08-13 |
Family
ID=77195117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023174669.2U Active CN213959634U (en) | 2020-12-25 | 2020-12-25 | High strength MPP cable protection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213959634U (en) |
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2020
- 2020-12-25 CN CN202023174669.2U patent/CN213959634U/en active Active
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