Anti-twist MPP power cable protection pipe
Patent Information
- Application Number
- CN202522413781.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-11-13
AI Technical Summary
[0002]MPP电力电缆保护管是电力工程中保护电缆免受外力损伤的关键部件,在地下敷设、转弯排布等场景中常面临扭曲力作用,现有产品存在明显防扭曲短板:其一,抗扭曲结构设计不足,传统保护管多为单一管状结构,缺乏针对性抗扭加强组件,面对敷设过程中的扭曲力时,难以分散或吸收能量,易出现管壁形变、开裂,甚至挤压内部电缆,影响电力传输安全;其二,内部电缆固定性差,保护管内无稳定的电缆定位结构,电缆易因敷设震动、外力拉扯发生偏移,甚至与管壁产生相对转动,不仅自身易产生扭曲力,还会进一步加剧保护管的扭曲负担,导致整体防扭曲性能大幅下降
[0013]1、通过设置在外壁的螺旋加强筋,可以将扭曲力转换为轴向拉伸力,设置在内壁的环状加强筋,可以防止电缆碰撞内管壁,中层防扭管腔内壁的蜂窝槽通过微量形变可以吸收扭曲能量,防止变形,通过加强保护管,增强了保护管的抗扭曲能力。
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Figure CN224874762U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of protective tube technology, and in particular to an anti-twist MPP power cable protective tube. Background Technology
[0002] MPP power cable protection pipes are key components in power engineering, protecting cables from external damage. In underground laying and bends, they frequently face torsional forces. Existing products have significant shortcomings in anti-torsion performance: First, their anti-torsion structural design is insufficient. Traditional protection pipes are mostly single tubular structures, lacking targeted anti-torsion reinforcement components. When faced with torsional forces during laying, they are unable to disperse or absorb energy, easily leading to pipe wall deformation, cracking, and even compression of the internal cable, affecting power transmission safety. Second, the internal cable fixation is poor. There is no stable cable positioning structure within the protection pipe. Cables are easily misaligned due to laying vibrations and external pulling forces, and may even rotate relative to the pipe wall. This not only generates torsional forces themselves but also further exacerbates the torsional burden on the protection pipe, resulting in a significant decrease in overall anti-torsion performance. These problems restrict the reliability of MPP protection pipes in complex laying scenarios and become hidden dangers in power engineering construction. Utility Model Content
[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide an anti-twist MPP power cable protection tube. By strengthening the protection tube, the anti-twist ability of the protection tube is enhanced, preventing the torsional force generated by the cable's own rotation from affecting the protection tube, and further enhancing the anti-twist ability.
[0004] This utility model also provides a type of anti-twist MPP power cable protection pipe, including a main pipe wall, a spiral reinforcing rib fixedly connected to the outer wall of the main pipe wall, an anti-twist cavity fixedly connected to the inner wall of the main pipe wall, an inner pipe wall fixedly connected to the inner wall of the anti-twist cavity, a plurality of annular reinforcing ribs fixedly connected to the inner wall of the inner pipe wall, a first annular partition frame fixedly connected to the inner wall of the inner pipe wall, a second annular partition frame fixedly connected to the inner wall of the first annular partition frame, and a connecting pipe fixedly connected to one side of the main pipe wall.
[0005] According to the present invention, an anti-twist MPP power cable protection pipe is provided, wherein a connecting groove is fixedly connected to one side of the main pipe wall.
[0006] According to the present invention, an anti-twist MPP power cable protection pipe is provided with multiple honeycomb grooves on the inner wall of the anti-twist tube cavity.
[0007] According to the present invention, a plurality of first anti-slip pads are fixedly connected to the inner wall of the first annular separator.
[0008] According to the present invention, in the anti-twist MPP power cable protection pipe, a plurality of second anti-slip pads are fixedly connected to the inner wall of the second annular separator.
[0009] According to the present invention, a rubber ring is fixedly connected to the outer wall of the connecting pipe in an anti-twist MPP power cable protection pipe.
[0010] According to the present invention, an anti-twist MPP power cable protection pipe is provided, wherein a connecting groove is slidably connected to the outer wall of the connecting pipe, and a bolt is threadedly connected to the inner wall of the connecting groove.
[0011] According to the present invention, in a twist-resistant MPP power cable protection pipe, the outer wall of the bolt is threaded to the inner wall of the connecting pipe.
[0012] Beneficial effects:
[0013] 1. The spiral reinforcing ribs on the outer wall can convert torsional force into axial tensile force. The annular reinforcing ribs on the inner wall can prevent the cable from colliding with the inner tube wall. The honeycomb grooves on the inner wall of the middle anti-torsion tube can absorb torsional energy through slight deformation and prevent deformation. By strengthening the protective tube, the anti-torsion ability of the protective tube is enhanced.
[0014] 2. By setting the first and second annular partition frames inside, the cable can be fixed in the center of the protective tube, so that the cable and the protective tube do not rotate relative to each other, preventing the cable's own rotation from generating torsional force that affects the protective tube, and further enhancing the anti-torsion capability. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1 This is a perspective view of an anti-twist MPP power cable protection pipe according to the present invention;
[0017] Figure 2 This is a diagram showing the internal structure of an anti-twist MPP power cable protection pipe according to this utility model;
[0018] Figure 3 This is a cross-sectional view of an anti-twist MPP power cable protection pipe according to the present invention;
[0019] Figure 4 This is a diagram showing the connection structure between the connecting pipe and the connecting groove of an anti-twist MPP power cable protection pipe according to this utility model.
[0020] Figure 5 This is a diagram showing the connection structure between the inner wall of the anti-twist MPP power cable protection pipe and the first and second annular partition frames of this utility model.
[0021] Figure 6 In this utility model Figure 3 Enlarged view of point A in the middle.
[0022] Legend:
[0023] 1. Main tube wall; 2. Bolt; 3. Connecting groove; 4. Spiral reinforcing rib; 5. Anti-torsion cavity; 6. Honeycomb groove; 7. Inner tube wall; 8. Annular reinforcing rib; 9. Connecting pipe; 10. Rubber ring; 11. First annular partition frame; 12. First anti-slip pad; 13. Second annular partition frame; 14. Second anti-slip pad. Detailed Implementation
[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0025] Reference Figure 1-6 This utility model provides an anti-twist MPP power cable protection pipe, which includes a main pipe wall 1, a spiral reinforcing rib 4 fixedly connected to the outer wall of the main pipe wall 1, an anti-twist cavity 5 fixedly connected to the inner wall of the main pipe wall 1, an inner pipe wall 7 fixedly connected to the inner wall of the anti-twist cavity 5, a plurality of annular reinforcing ribs 8 fixedly connected to the inner wall of the inner pipe wall 7, a first annular partition frame 11 fixedly connected to the inner wall of the inner pipe wall 7, a second annular partition frame 13 fixedly connected to the inner wall of the first annular partition frame 11, and a connecting pipe 9 fixedly connected to one side of the main pipe wall 1.
[0026] A connecting groove 3 is fixedly connected to one side of the main pipe wall 1.
[0027] Specifically, the connecting groove 3 is fixedly connected to one side of the main pipe wall 1, through which it can be connected to other protective pipes.
[0028] The inner wall of the anti-torsion cavity 5 is provided with multiple honeycomb grooves 6.
[0029] Specifically, the inner wall of the anti-torsion cavity 5 is provided with multiple honeycomb grooves 6, and the slight deformation of the honeycomb grooves 6 can absorb the force generated during torsion.
[0030] Multiple first anti-slip pads 12 are fixedly connected to the inner wall of the first annular divider 11.
[0031] Specifically, the first anti-slip pad 12 provided on the inner wall of the first annular separator 11 can lock the cable in place and fix it to prevent it from rotating. The first anti-slip pad 12 can enhance the friction, making the cable more stable after it is fixed.
[0032] Multiple second anti-slip pads 14 are fixedly connected to the inner wall of the second annular divider 13.
[0033] Specifically, the second anti-slip pad 14 provided on the inner wall of the second annular separator 13 can lock the cable in place and fix it to prevent it from rotating. The second anti-slip pad 14 can enhance friction, making the cable more stable after it is fixed.
[0034] A rubber ring 10 is fixedly connected to the outer wall of the connecting pipe 9.
[0035] Specifically, the rubber ring 10 installed on the outer wall of the connecting pipe 9 can ensure a seal after the connecting pipe 9 is connected.
[0036] The outer wall of the connecting pipe 9 has a sliding connection groove 3, and the inner wall of the connecting groove 3 has a threaded connection bolt 2.
[0037] Specifically, the connecting pipe 9 is inserted into the inner wall of the connecting groove 3, and then the connecting pipe 9 and the connecting groove 3 are fixed by the bolt 2 threaded to the inner wall of the connecting groove 3, so that the two protective pipes are connected into one section.
[0038] Bolt 2 is threaded on the outer wall and connected to the inner wall of connecting pipe 9.
[0039] Working principle: The spiral reinforcing ribs 4 set on the outer wall of the main tube 1 can convert the torsional force on the cable protection tube into axial tensile force. The anti-torsion cavity 5 is fixedly connected to the inner wall of the main tube 1. The inner wall of the anti-torsion cavity 5 is provided with multiple honeycomb grooves 6. The honeycomb grooves 6 can absorb the torsional force generated by slight deformation. The annular reinforcing ribs 8 on the inner wall can prevent the cable from colliding with the inner wall of the cable protection tube and enhance the anti-torsion ability of the cable protection tube itself. The first annular partition frame 11 and the second annular partition frame 13 set on the inner wall of the inner tube 7 can lock the cable inside and fix the cable in the center of the protection tube, preventing the torsional force generated by the cable due to winding or rotation from acting on the cable protection tube and causing the cable protection tube to twist. By controlling the rotation of the cable, the anti-torsion ability of the cable protection tube is enhanced from the inside.
[0040] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A twist-resistant MPP power cable protection pipe, comprising a main pipe wall (1), characterized in that: The outer wall of the main tube wall (1) is fixedly connected with a spiral reinforcing rib (4), the inner wall of the main tube wall (1) is fixedly connected with an anti-torsion cavity (5), the inner wall of the anti-torsion cavity (5) is fixedly connected with an inner tube wall (7), the inner wall of the inner tube wall (7) is fixedly connected with multiple annular reinforcing ribs (8), the inner wall of the inner tube wall (7) is fixedly connected with a first annular partition (11), the inner wall of the first annular partition (11) is fixedly connected with a second annular partition (13), and a connecting pipe (9) is fixedly connected to one side of the main tube wall (1).
2. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, A connecting groove (3) is fixedly connected to one side of the main pipe wall (1).
3. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, The inner wall of the anti-twist cavity (5) is provided with multiple honeycomb grooves (6).
4. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, Multiple first anti-slip pads (12) are fixedly connected to the inner wall of the first annular separator (11).
5. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, The inner wall of the second annular divider (13) is fixedly connected with multiple second anti-slip pads (14).
6. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, A rubber ring (10) is fixedly connected to the outer wall of the connecting pipe (9).
7. The anti-twist MPP power cable protection pipe according to claim 1, characterized in that, The outer wall of the connecting pipe (9) is slidably connected with a connecting groove (3), and the inner wall of the connecting groove (3) is threaded with a bolt (2).
8. The anti-twist MPP power cable protection pipe according to claim 7, characterized in that, The bolt (2) is threaded on the outer wall and connected to the inner wall of the connecting pipe (9).