CN218242868U

CN218242868U - Novel heat dissipation type MPP cable protection pipe

Info

Publication number: CN218242868U
Application number: CN202222030040.3U
Authority: CN
Inventors: 吕欢
Original assignee: Anhui Hengzhen Electric Power Technology Co ltd
Current assignee: Anhui Hengzhen Electric Power Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-01-06
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a novel heat dissipation type MPP cable protection pipe, including the protection tube body, the inner wall of protection tube body rotates and is connected with the buffering vaulting pole. The buffering vaulting pole includes branch, cushion collar, lower branch, piston board, first buffer spring, second buffer spring, third buffer spring and second piston board, the one end of going up the branch is rotated with the inner wall of protection tube body and is connected, the other end and the first piston board body coupling of going up the branch, the one end and the second piston board body coupling that lower branch is close to last branch. Three arc tightly fixes the cable for cable and protection tube body keep concentric state, when receiving the impact, the impact force conduction to buffering vaulting pole, first buffer spring, second buffer spring all produce deformation with third buffer spring, will produce the power of anti deformation, cushions the impact force, and the impact force that the cable received can also be alleviated through two other buffering vaulting poles.

Description

Novel heat dissipation type MPP cable protection pipe

Technical Field

The utility model relates to a cable protection tube technical field specifically is a novel heat dissipation type MPP cable protection tube.

Background

The MPP pipe is also called MPP power cable protection pipe and is divided into excavation type and non-excavation type, and the MPP non-excavation pipe is also called MPP pipe or support stay pipe. The MPP pipe adopts modified polypropylene as a main raw material. The high-temperature-resistant and external-pressure-resistant cable duct has the characteristics of high temperature resistance and external pressure resistance, and is suitable for high-voltage transmission lines and cables arranged in ducts below 10 KV. The MPP adopts modified polypropylene as a main raw material, and is a construction project for laying pipelines, cables and the like in special sections such as roads, railways, buildings, riverbeds and the like without digging a large amount of mud, digging soil and damaging road surfaces. Compared with the traditional 'trenching and pipe burying method', the trenchless power pipe engineering is more suitable for the current environmental protection requirement, and the disturbing factors such as dust flying, traffic jam and the like caused by the traditional construction are eliminated, so that the technology can also lay pipelines in some areas which can not implement the trenching operation, such as historic site protection areas, downtown areas, crop and farmland protection areas, expressways, rivers and the like.

The MPP cable protection pipe is widely used and is used as a protection structure of a cable and is an important component in the wire laying operation, but the MPP cable protection pipe on the market is often deformed or even damaged due to insufficient impact resistance in use, so that the cable is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel heat dissipation type MPP cable protection pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel heat dissipation type MPP cable protection pipe, includes the protection tube body, the inner wall of protection tube body rotates and is connected with the buffering vaulting pole.

The buffer support rod comprises an upper support rod, a buffer sleeve, a lower support rod, a piston plate, a first buffer spring, a second buffer spring, a third buffer spring and a second piston plate, one end of the upper support rod is rotatably connected with the inner wall of the protection tube body, the other end of the upper support rod is integrally connected with the first piston plate, one end of the lower support rod, which is close to the upper support rod, is integrally connected with the second piston plate, the other end of the lower support rod is hinged with an arc plate, the first piston plate is slidably connected with the inside of the buffer sleeve, the second piston plate is slidably connected with the inside of the buffer sleeve, two ends of the buffer sleeve are respectively slidably connected with the upper support rod and the lower support rod in a penetrating manner, two ends of the first buffer spring are respectively fixedly connected with opposite surfaces of the first piston plate and the second piston plate, the second buffer spring is sleeved on the upper support rod, one end of the second buffer spring is fixedly connected with the inside of the buffer sleeve, the other end of the second buffer spring is fixedly connected with the other surface of the first piston plate, the third buffer spring is sleeved on the lower support rod, one end of the third buffer spring is fixedly connected with the other end of the second buffer sleeve, and the other end of the second buffer spring is fixedly connected with the other side of the second piston plate.

Optionally, the protection tube body includes body main part, through-hole, interior heat-conducting plate, outer heat-conducting plate and heating panel, the material of body main part is MPP, the through-hole runs through the inner wall and the outer wall of body main part, the inner wall bonding of interior heat-conducting plate and body main part, the inner wall of interior heat-conducting plate is rotated with the one end of last branch and is connected, the outer heat-conducting plate bonds with the outer wall of body main part, outer heat-conducting plate passes through-hole body coupling with interior heat-conducting plate, heating panel and the outer peripheral face body coupling of outer heat-conducting plate.

Optionally, the lengths and diameters of the first buffer spring, the second buffer spring, and the third buffer spring are the same as the elastic coefficient.

Optionally, the upper support rod, the buffer sleeve and the lower support rod are made of the same material as the inner heat conducting plate, and the inner heat conducting plate is made of aluminum alloy.

Optionally, the length of the buffer stay bar in a natural state is greater than the radius of the inner wall of the protection tube body, and the longest extension length of the buffer stay bar is smaller than the diameter of the inner wall of the protection tube body.

Optionally, the material of arc is the same with the material of interior heat-conducting plate, the quantity of arc is three, the middle part of arc outer surface is articulated with the one end of lower branch.

Optionally, the length of the heat dissipation plate is the same as that of the protection tube body, the width of the heat dissipation plate is ten centimeters, and the heat dissipation plate and the outer heat conduction plate are made of the same material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this novel heat dissipation type MPP cable protection pipe, through the articulated buffering vaulting pole in the inside of protective tube body, tightly fix the cable through three arc, three arc makes cable and protective tube body keep concentric state simultaneously, when receiving the impact in the outside of protective tube body, the impact force conducts to buffering vaulting pole, and last branch in the buffering stock can drive first piston plate and carry out the displacement, and then make first buffer spring and second buffer spring produce deformation, the elastic action that first buffer spring deformation produced is on the second piston plate, and make third buffer spring deform, along with first buffer spring, second buffer spring and third buffer spring all produce deformation, will produce the power of anti deformation, make first buffer spring, the quick balanced state that reaches of second buffer spring and third buffer spring, and cushion the impact force, and the impact force that the cable that the suspension received at protective tube body center can also be alleviated through two other buffering vaulting poles, great protection capability of protective tube body to the cable has been improved.

2. This novel heat dissipation type MPP cable protection pipe, through the heat-conducting plate in the inner wall bonding of protection tube body, absorb the heat that the cable produced, the absorptive heat of interior heat-conducting plate passes through the opening and conducts to the outer heat-conducting plate of a body coupling, and outer heat-conducting plate gives off the heat with heat transfer to the heating panel again, along with outer heat-conducting plate gives off the heat with the heating panel simultaneously for the temperature of cable can not rise, also can not rise because of the temperature, the decline of the ability that produces transmission power and the problem that the cable damaged.

Drawings

Fig. 1 is a schematic structural diagram of a novel heat dissipation type MPP cable protection tube of the present invention;

fig. 2 is a front view of the novel heat dissipation type MPP cable protection tube of the present invention;

fig. 3 is a cross-sectional view of a protection tube body of the novel heat dissipation type MPP cable protection tube of the present invention;

fig. 4 is an enlarged view of a point a in fig. 3 of the novel heat dissipation type MPP cable protection tube according to the present invention;

fig. 5 is a schematic structural view of a buffer stay bar of a novel heat dissipation type MPP cable protection tube according to the present invention;

fig. 6 is the utility model discloses a novel heat dissipation type MPP cable protection tube's buffer stay bar's sectional structure schematic diagram.

In the figure: 1. protecting the tube body; 11. a tube body main body; 12. a through hole; 13. an inner heat conducting plate; 14. an outer heat-conducting plate; 15. a heat dissipation plate; 2. a buffer stay bar; 21. an upper support rod; 22. a buffer sleeve; 23. a lower support rod; 24. a first piston plate; 25. a first buffer spring; 26. a second buffer spring; 27. a third buffer spring; 28. a second piston plate; 3. an arc-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a novel heat dissipation type MPP cable protection tube, which includes a protection tube body 1, wherein the inner wall of the protection tube body 1 is rotatably connected to a buffer stay bar 2.

The buffer support rod 2 comprises an upper support rod 21, a buffer sleeve 22, a lower support rod 23, a piston plate, a first buffer spring 25, a second buffer spring 26, a third buffer spring 27 and a second piston plate 28, one end of the upper support rod 21 is rotatably connected with the inner wall of the protective tube body 1, the other end of the upper support rod 21 is integrally connected with the first piston plate 24, one end of the lower support rod 23 close to the upper support rod 21 is integrally connected with the second piston plate 28, the other end of the lower support rod 23 is hinged with an arc-shaped plate 3, the first piston plate 24 is slidably connected with the inside of the buffer sleeve 22, the second piston plate 28 is slidably connected with the inside of the buffer sleeve 22, two ends of the buffer sleeve 22 are respectively connected with the upper support rod 21 and the lower support rod 23 in a penetrating and sliding manner, two ends of the first buffer spring 25 are respectively fixedly connected with the opposite surfaces of the first piston plate 24 and the second piston plate 28, the second buffer spring 26 is sleeved on the upper support rod 21, one end of a second buffer spring 26 is fixedly connected with the inside of the buffer sleeve 22, the other end of the second buffer spring 26 is fixedly connected with the other side of the first piston plate 24, a third buffer spring 27 is sleeved on the lower support rod 23, one end of the third buffer spring 27 is fixedly connected with the inside of the buffer sleeve 22, the other end of the third buffer spring 27 is fixedly connected with the other side of the second piston plate 28, the cable is tightly fixed through the three arc-shaped plates 3, meanwhile, the cable and the protection tube body 1 are kept concentric through the three arc-shaped plates 3, when the outside of the protection tube body 1 is impacted, the impact force is transmitted to the buffer support rod 2, the upper support rod 21 in the buffer long rod can drive the first piston plate 24 to displace, so that the first buffer spring 25 and the second buffer spring 26 generate deformation, the elastic force generated by the deformation of the first buffer spring 25 acts on the second piston plate 28, and make the third buffer spring 27 deform, all produce deformation along with first buffer spring 25, second buffer spring 26 and third buffer spring 27, will produce the power of anti deformation for first buffer spring 25, second buffer spring 26 and the quick balanced state that reaches of third buffer spring 27, and cushion the impact force, and the impact force that the cable that the suspension received at the protective tube body 1 center can also be alleviated through other two buffering vaulting poles 2.

The protection tube body 1 comprises a tube body 11, through holes 12, an inner heat conducting plate 13, an outer heat conducting plate 14 and a heat dissipation plate 15, the tube body 11 is made of MPP, the through holes 12 penetrate through the inner wall and the outer wall of the tube body 11, the inner heat conducting plate 13 is bonded with the inner wall of the tube body 11, the inner wall of the inner heat conducting plate 13 is rotatably connected with one end of an upper support rod 21, the outer heat conducting plate 14 is bonded with the outer wall of the tube body 11, the outer heat conducting plate 14 is integrally connected with the inner heat conducting plate 13 through the through holes 12, the heat dissipation plate 15 is integrally connected with the outer peripheral surface of the outer heat conducting plate 14, the inner wall of the protection tube body 1 is bonded with the inner heat conducting plate 13, heat generated by a cable is absorbed, the heat absorbed by the inner heat conducting plate 13 is conducted to the integrally connected outer heat conducting plate 14 through a through hole, the outer heat conducting plate 14 transmits the heat to the heat dissipation plate 15, the heat is dissipated along with the outer heat conducting plate 14 and the heat dissipation plate 15, and the temperature of the cable does not rise.

The first buffer spring 25, the second buffer spring 26 and the third buffer spring 27 have the same length, diameter and elastic coefficient.

The materials of the upper support rod 21, the buffer sleeve 22 and the lower support rod 23 are the same as the materials of the inner heat conducting plate 13, and the inner heat conducting plate 13 is made of aluminum alloy.

The length of the buffer stay bar 2 in a natural state is larger than the radius of the inner wall of the protection tube body 1, and the longest extension length of the buffer stay bar 2 is smaller than the diameter of the inner wall of the protection tube body 1.

The material of arc 3 is the same with the material of interior heat-conducting plate 13, and the quantity of arc 3 is three, and the middle part of the outer cambered surface of arc 3 is articulated with the one end of lower branch 23.

The length of the heat sink 15 is the same as that of the protective tube body 1, the width of the heat sink 15 is ten cm, and the heat sink 15 and the outer heat conductive plate 14 are made of the same material.

The working principle is as follows: the three arc plates 3 tightly fix the cable, and the three arc plates 3 keep the cable concentric with the protection tube body 1, so that the cable keeps a suspension state, when the outside of the protection tube body 1 is impacted, the suspension state cable will not be impacted, and part of the impact force is transmitted to the buffer stay bar 2, the upper stay bar 21 in the buffer stay bar will drive the first piston plate 24 to displace, so that the first buffer spring 25 and the second buffer spring 26 will deform, the elastic force generated by the deformation of the first buffer spring 25 acts on the second piston plate 28, and the third buffer spring 27 deforms, and the first buffer spring 25, the second buffer spring 26 and the third buffer spring 27 all deform, will produce the power of anti deformation, make first buffer spring 25, second buffer spring 26 and the quick balanced state that reaches of third buffer spring 27, cushion the impact force, and the impact force that the cable of suspension at protection tube body 1 center received can also be alleviated through two other buffering vaulting poles 2, the inner heat-conducting plate 13 in the inner wall bonding of protection tube body 1 simultaneously, absorb the heat that the cable produced, the heat that interior heat-conducting plate 13 absorbed is conducted to the outer heat-conducting plate 14 of body coupling through the opening, and outer heat-conducting plate 14 is again with heat transfer to heating panel 15, give off the heat simultaneously along with outer heat-conducting plate 14 and heating panel 15, make the temperature of cable can not rise.

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. A novel heat dissipation type MPP cable protection tube comprises a protection tube body (1), and is characterized in that the inner wall of the protection tube body (1) is rotatably connected with a buffer stay bar (2);

the buffer support rod (2) comprises an upper support rod (21), a buffer sleeve (22), a lower support rod (23), a piston plate, a first buffer spring (25), a second buffer spring (26), a third buffer spring (27) and a second piston plate (28), one end of the upper support rod (21) is rotatably connected with the inner wall of the protection tube body (1), the other end of the upper support rod (21) is integrally connected with the first piston plate (24), one end of the lower support rod (23), which is close to the upper support rod (21), is integrally connected with the second piston plate (28), the other end of the lower support rod (23) is hinged with an arc-shaped plate (3), the first piston plate (24) is slidably connected with the inside of the buffer sleeve (22), the second piston plate (28) is slidably connected with the inside of the buffer sleeve (22), two ends of the buffer sleeve (22) are respectively slidably connected with the upper support rod (21) and the lower support rod (23) in a penetrating manner, two ends of the first buffer spring (25) are respectively sleeved with the first piston plate (24) and the second piston plate (28), one end of the second buffer sleeve (26), and the other end of the second buffer spring (26) is fixedly connected with the second piston plate (26), and the other end of the buffer sleeve (22), the third buffer spring (27) is sleeved on the lower support rod (23), one end of the third buffer spring (27) is fixedly connected with the inside of the buffer sleeve (22), and the other end of the third buffer spring (27) is fixedly connected with the other surface of the second piston plate (28).

2. The novel heat dissipation type MPP cable protection tube of claim 1, wherein the protection tube body (1) comprises a tube body (11), a through hole (12), an inner heat conducting plate (13), an outer heat conducting plate (14) and a heat dissipation plate (15), the tube body (11) is made of MPP, the through hole (12) penetrates through the inner wall and the outer wall of the tube body (11), the inner heat conducting plate (13) is bonded with the inner wall of the tube body (11), the inner wall of the inner heat conducting plate (13) is rotatably connected with one end of the upper support rod (21), the outer heat conducting plate (14) is bonded with the outer wall of the tube body (11), the outer heat conducting plate (14) and the inner heat conducting plate (13) are integrally connected through the through hole (12), and the heat dissipation plate (15) is integrally connected with the outer peripheral face of the outer heat conducting plate (14).

3. The MPP cable protection tube as claimed in claim 1, wherein the first buffer spring (25), the second buffer spring (26) and the third buffer spring (27) have the same length, diameter and elastic coefficient.

4. The novel heat dissipation type MPP cable protection tube as claimed in claim 1, wherein the upper support rod (21), the buffer sleeve (22) and the lower support rod (23) are made of the same material as the inner heat conducting plate (13), and the inner heat conducting plate (13) is made of aluminum alloy.

5. The MPP cable protection tube as claimed in claim 1, wherein the length of the buffer stay (2) in natural state is larger than the radius of the inner wall of the protection tube body (1), and the longest extension length of the buffer stay (2) is smaller than the diameter of the inner wall of the protection tube body (1).

6. The novel heat dissipation type MPP cable protection tube according to claim 1, wherein the arc (3) is made of the same material as the inner heat conducting plate (13), the number of the arc (3) is three, and the middle of the outer arc surface of the arc (3) is hinged to one end of the lower support rod (23).

7. The MPP cable protection tube as claimed in claim 2, wherein the length of the heat dissipation plate (15) is the same as the length of the protection tube body (1), the width of the heat dissipation plate (15) is ten cm, and the heat dissipation plate (15) and the outer heat conduction plate (14) are made of the same material.