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CN-224218042-U - Novel MPP cable protection tube

CN224218042UCN 224218042 UCN224218042 UCN 224218042UCN-224218042-U

Abstract

The utility model discloses a novel MPP cable protection tube, which relates to the technical field of wire protection and comprises a hinge part and two protection half tubes, wherein the two protection half tubes are hinged with each other through the hinge part. According to the electric wire fixing device, the electric wires are placed on the inner sides of the two protection half pipes during application, the fixing plate limiting holes are embedded through the rotary mounting screw rods, the protection half pipes are quickly spliced and fixed, the external fixing screw rods rotationally drive the inner clamping plates to move along the guide support rods in the aspect of electric wire clamping, the V-shaped clamping grooves on the inner clamping plates are matched with the fixing screw rods through accurate control of screw transmission, the inclined surfaces of the V-shaped clamping grooves can be attached to electric wires with different diameters, centering and firm fixing are achieved, when the electric wires are detached, the parts can be separated through reverse rotation of the screw rods, special tools are not needed, maintenance cost is reduced, the electric wires are stably installed, quick disassembly and assembly are achieved through standardized interfaces, and the maintenance requirements of electric power facilities are met.

Inventors

  • CAO LIN
  • Yuan Youbin

Assignees

  • 江西德兰电气有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (7)

  1. 1. The novel MPP cable protection pipe comprises a hinge (1) and two protection half pipes (2) and is characterized in that the two protection half pipes (2) are hinged with each other through the hinge (1), a supporting and fixing mechanism (6) is fixedly arranged on the outer side of each protection half pipe (2), the inner ends of the supporting and fixing mechanism (6) penetrate through the protection half pipes (2) to extend into the protection half pipes, fixing plates (4) are fixedly arranged at the two ends of the bottom of each protection half pipe (2), limiting holes (5) are formed in the lower end of one fixing plate (4), mounting screws (3) are connected with the lower end of the other fixing plate (4) in a threaded mode, and the ends of the mounting screws (3) penetrate through the fixing plates (4) to be inserted into the limiting holes (5); The supporting and fixing mechanism (6) comprises a mounting frame (61), an inner clamping group (62) is arranged in the middle of the mounting frame (61), the end part of the inner clamping group (62) penetrates through the protection half pipe (2) and extends into the protection half pipe (2), a mounting plate (63) is fixedly arranged at the bottom of the mounting frame (61), and a supporting and fixing assembly (64) is fixedly arranged at the bottom of the mounting plate (63).
  2. 2. The novel MPP cable protection pipe as set forth in claim 1, wherein the mounting screw (3) is a hand screw, and the outer edges of the fixing plate (4), the protection half pipe (2) and the hinge (1) are all circular arc.
  3. 3. The novel MPP cable protection tube as set forth in claim 1, wherein said inner clamping set (62) comprises a fixing screw (621), said fixing screw (621) is screwed onto the middle of the mounting frame (61), an end of said fixing screw (621) is rotatably connected with an inner clamping plate (622) through the protection half tube (2), and a clamping groove (623) is provided on the inner side of said inner clamping plate (622).
  4. 4. The novel MPP cable protection pipe as set forth in claim 3, wherein said clamping groove (623) has an overall cross-sectional shape of a V-shape, and said fixing screw (621) is also configured as a hand screw.
  5. 5. The novel MPP cable protection tube as set forth in claim 4, wherein guide struts (624) are fixedly mounted at both outer ends of said inner clamping plate (622), and the outer ends of said guide struts (624) extend through the protection half tube (2).
  6. 6. The novel MPP cable protection tube as set forth in claim 1, wherein the support assembly (64) comprises a support rod (641), the support rod (641) is fixedly mounted at the bottom of the mounting plate (63), a sleeve (642) is sleeved on the outer surface of the support rod (641), the cross-sectional shapes of inner cavities of the support rod (641) and the sleeve (642) are regular hexagons, a limit screw (643) is connected with the upper end of the outer side of the sleeve (642) in a threaded manner, the end portion of the limit screw (643) penetrates through the sleeve (642), a mounting substrate (644) is fixedly mounted at the bottom of the sleeve (642), mounting holes (645) are formed in two ends of the mounting substrate (644), and the mounting holes (645) are countersunk.
  7. 7. The novel MPP cable protection tube as set forth in claim 6, wherein the support rod (641) is provided with clamping holes (646) at one side thereof in a linear arrangement at equal intervals, the end of the limit screw (643) is inserted into the inner side of the clamping holes (646), and the limit screw (643) is also provided as a hand screw.

Description

Novel MPP cable protection tube Technical Field The utility model belongs to the technical field of wire protection, and particularly relates to a novel MPP cable protection tube. Background In the current power engineering construction, the MPP power cable protection pipe adopts modified polypropylene as a main raw material, has the characteristics of high temperature resistance, external pressure resistance and the like, becomes a common choice of medium and low voltage transmission line cable calandria pipes below 10KV, is divided into an excavation type pipe and a non-excavation type pipe, wherein the excavation type pipe and the non-excavation type pipe are also called MPP jacking pipes or traction pipes, in the prior art, the anti-collision type MPP power cable protection pipe disclosed in patent application No. CN212991863U can effectively unload impact force, reduce the pipe rupture risk, promote anti-collision and anti-impact performance, protect internal cables and prolong the service life though the buffer mechanism is designed; However, the technology still has limitations that firstly, the inner pipe and the outer pipe are of an integrated structure, when the outer pipe is worn, the whole inner pipe and the outer pipe are required to be replaced, one end of the cable is required to be disassembled for connection during disassembly, the operation is complex, the maintenance cost is high, secondly, the technology lacks an external supporting structure, is difficult to quickly adjust and stably install, and is difficult to meet the requirements of different working conditions under a complex construction environment, thirdly, the internal electric wires cannot be quickly adjusted and clamped, the stability protection and the power transmission safety of the cable are possibly influenced, and the problems limit the application effect and the efficiency of the MPP power cable protection pipe, so that improvement and optimization are needed. Disclosure of utility model Aiming at the problems in the background art, the utility model aims to provide a novel MPP cable protection tube so as to solve the problems that the prior art is inconvenient to assemble, disassemble and replace rapidly and flexibly during application, and the electric wire is clamped and fixed rapidly and conveniently. The technical aim of the utility model is realized by the following technical scheme: The novel MPP cable protection pipe comprises a hinge part and two protection half pipes, wherein the two protection half pipes are hinged with each other through the hinge part, a supporting and fixing mechanism is fixedly installed on the outer side of each protection half pipe, the inner end of each supporting and fixing mechanism penetrates through each protection half pipe to extend into the protection half pipe, fixing plates are fixedly installed at the two ends of the bottom of each protection half pipe, a limiting hole is formed in the lower end of one fixing plate, an installation screw is connected with the lower end of the other fixing plate in a threaded mode, and the end portion of each installation screw penetrates through the fixing plate to be inserted into the limiting hole; The supporting and fixing mechanism comprises a mounting frame, an inner clamping group is arranged in the middle of the mounting frame, the end part of the inner clamping group penetrates through the protection half pipe and extends to the inside of the protection half pipe, a mounting plate is fixedly arranged at the bottom of the mounting frame, and a supporting and fixing assembly is fixedly arranged at the bottom of the mounting plate. As the preferable technical scheme, the installation screw is a hand-screwed screw, and the external edges and corners of the fixing plate, the protection half pipe and the hinge piece are all circular arc-shaped. As the preferable technical scheme, interior clamping group includes the fixing screw, fixing screw threaded connection is in the middle part of mounting bracket, the tip of fixing screw runs through the protection half-tube and rotates and be connected with interior grip block, the centre gripping groove has been seted up to the inboard of interior grip block. As the preferable technical scheme, the overall cross section shape of the clamping groove is V-shaped, and the fixing screw is also a hand-screwed screw. As the preferable technical scheme, guide supporting rods are fixedly arranged at two ends of the outer side of the inner clamping plate, and the outer ends of the guide supporting rods penetrate through the protection half pipe. As the preferred technical scheme, prop up solid subassembly and include the bracing piece, bracing piece fixed mounting is in the bottom of mounting panel, the surface cover of bracing piece is equipped with the sleeve pipe, bracing piece and the inside cavity cross-sectional shape of sleeve pipe all set up to regular hexagon, sheathed tube outside upper end threa