CN215378332U

CN215378332U - Bending-resistant PVC biaxial orientation composite co-extrusion power pipe

Info

Publication number: CN215378332U
Application number: CN202121816581.8U
Authority: CN
Inventors: 赵建波; 朱东辉; 李泽才; 叶贵坤; 朱厚儒
Original assignee: Guizhou Chihang Management Co ltd
Current assignee: Guizhou Chihang Management Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a bending-resistant PVC biaxial orientation composite co-extrusion power tube, which relates to the field of power tube production and comprises a tube body, a protective device, a fixing device, a supporting device and a connecting device, wherein the inner surfaces of two fixing rings are respectively connected with the outer surface of a first pipeline and the outer surface of a second pipeline, one side surfaces of a plurality of protective soft rods are respectively connected with one side surfaces of the two fixing rings, one side surfaces of two clamping plates are respectively connected with the outer surface of the first pipeline, one side surfaces of a plurality of supporting plates are respectively connected with the inner surface of the first pipeline, one ends of a plurality of connecting rods are respectively connected with the other side surfaces of the plurality of supporting plates, and the inner surface of a base is connected with the outer surface of the first pipeline. The bending-resistant PVC biaxial orientation composite co-extrusion power tube has excellent bending capability, does not damage the power tube, is very convenient and practical, can suspend an internal cable in the air, does not directly contact the inner wall of the power tube, and can reduce the corrosion of water vapor to the internal cable.

Description

Bending-resistant PVC biaxial orientation composite co-extrusion power pipe

Technical Field

The utility model relates to the field of power tube production, in particular to a bending-resistant PVC biaxial orientation composite co-extrusion power tube.

Background

The power tube is an important device in the national power construction process, is usually used for protecting cables in the pipeline from being damaged and is generally buried underground by power workers, and because the underground environment is relatively humid, epoxy resin is coated on the surface of the tube under normal conditions, so that the power tube has excellent corrosion resistance and good insulation effect.

Current power pipeline is the linear type usually, does not possess the ability of buckling basically, can damage the power tube when external effort is too big, and the coating on surface can only prevent external humid environment to corrode moreover, and when intraductal steam is great, the inside cable of pipeline still can be corroded by steam, for this reason, we provide a PVC biaxial orientation composite co-extrusion power tube of nai buckling.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a bending-resistant PVC biaxial orientation composite co-extrusion power tube which can effectively solve the problems of poor bending property and incapability of preventing internal water vapor in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: a bending-resistant PVC biaxial orientation composite co-extrusion power tube comprises a tube body, a protective device, a fixing device, a supporting device and a connecting device, wherein the tube body comprises a first pipeline and a second pipeline, the lower surface of the first pipeline is connected with the upper surface of the second pipeline, the protective device comprises fixing rings and soft protective rods, the inner surfaces of the two fixing rings are respectively connected with the outer surface of the first pipeline and the outer surface of the second pipeline, one side surfaces of the soft protective rods are respectively connected with one side surfaces of the two fixing rings, the fixing device comprises clamping plates, second fixing plates and second fixing bolts, one side surfaces of the two clamping plates are respectively connected with the outer surface of the first pipeline, one side surfaces of the second fixing plates are respectively connected with one side surfaces of the two clamping plates, one side surfaces of the second fixing plates are respectively provided with second threaded holes, and the two second fixing bolts are respectively in rotating fit with the second threaded holes, the supporting device comprises a supporting plate and a plurality of connecting rods, one side surface of the supporting plate is connected with the inner surface of the first pipeline, one end of each connecting rod is connected with the other side surface of the corresponding supporting plate, the connecting device comprises a base, and the inner surface of the base is connected with the outer surface of the first pipeline.

Preferably, the body still includes bellows and hold up tank, the hold up tank is installed inside the second pipeline, the bellows both ends are connected with first pipeline lower surface and the inside side surface of hold up tank respectively, and the hold up tank is used for storing the bellows after the shrink, saves space very much, can provide one for the electric power pipe after the bellows is flexible and supply the bending region, increase the resistant bending nature of electric power pipe.

Preferably, the protector still includes first fixed plate and first fixing bolt, and is a plurality of first fixed plate side surface is connected with two solid fixed ring side surface respectively, and is a plurality of first fixed plate side surface all is equipped with first screw hole, two first fixing bolt respectively with a plurality of first screw hole normal running fit, wherein first fixed plate has four, when the electric power pipe need not buckle, first fixed plate and first fixing bolt seal inside flexible hose inside the pipeline, increase pipeline life.

Preferably, fixing device still includes the sharp nail, sharp nail one end is connected with splint one side surface, and the sharp nail can be firmly fixed the device is whole, very safe and stable.

Preferably, the supporting device further comprises a supporting ring and insulating rubber, the surface of the other end of the connecting rod is connected with the outer surface of the supporting ring, the outer surface of the insulating rubber is connected with the inner surface of the supporting ring, the supporting ring can suspend the internal cable in the air, the water vapor corrosion is reduced, and the insulating rubber can reduce the abrasion of the supporting ring to the internal cable.

Preferably, the connecting device further comprises a connecting ring and sealing rubber, the lower surface of the connecting ring is connected with the upper surface of the base, the sealing rubber is arranged inside the connecting ring, and the connecting ring can be used for connecting the power tube with another power tube, so that the connecting device is very simple and convenient.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, by arranging the flexible hose and the storage tank, when the power pipe needs to be bent, the flexible hose is stretched and then bent, and the flexible hose is made of a soft material, so that the flexible hose has excellent bending capability, cannot damage the power pipe, and is very convenient and practical.

According to the telescopic rod, the protective hose and the first fixing bolt are arranged, when the telescopic rod needs to be stretched, the first fixing bolt is rotated to separate the two fixing rings, and the protective hose on the surface of one side of each fixing ring is pulled out to protect the telescopic hose inside.

According to the utility model, the support ring and the connecting rod are arranged, so that the internal cable can be suspended in the air under the combined action of the support ring and the connecting rod, and can not directly contact the inner wall of the power pipe, and can not directly contact water vapor on the inner wall of the power pipe, and the corrosion of the water vapor on the internal cable can be reduced.

Drawings

FIG. 1 is a schematic view of an external integral first-view structure of a bending-resistant PVC biaxial-oriented composite co-extruded power tube of the present invention;

FIG. 2 is a schematic view of an external integral second viewing angle structure of a bending-resistant PVC biaxially oriented composite co-extruded power tube of the present invention;

FIG. 3 is a schematic view of the internal overall structure of a tube body of the bending-resistant PVC biaxial-oriented composite co-extruded power tube of the present invention;

FIG. 4 is a schematic view of an interior front view structure of a protection device of a bending-resistant PVC biaxial orientation composite co-extrusion power tube of the present invention;

FIG. 5 is a schematic view of the external overall structure of the support device of the bending-resistant PVC biaxial orientation composite co-extrusion power tube.

In the figure: 100. a pipe body; 110. a first conduit; 120. a second conduit; 130. a flexible hose; 140. a storage tank; 200. a guard; 210. a fixing ring; 220. a protective soft rod; 230. a first fixing plate; 240. a first fixing bolt; 300. a fixing device; 310. a splint; 320. a second fixing plate; 330. a second fixing bolt; 340. a sharp nail; 400. a support device; 410. a support plate; 420. a connecting rod; 430. a support ring; 440. an insulating rubber; 500. a connecting device; 510. a base; 520. a connecting ring; 530. and (7) sealing rubber.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention relates to a bending-resistant PVC biaxial orientation composite co-extrusion power tube, including a tube body 100, a protection device 200, a fixing device 300, a supporting device 400 and a connecting device 500, wherein the tube body 100 includes a first tube 110 and a second tube 120, a lower surface of the first tube 110 is connected to an upper surface of the second tube 120, the protection device 200 includes fixing rings 210 and soft protection rods 220, inner surfaces of the two fixing rings 210 are respectively connected to an outer surface of the first tube 110 and an outer surface of the second tube 120, one side surfaces of the soft protection rods 220 are respectively connected to one side surfaces of the two fixing rings 210, the fixing device 300 includes clamping plates 310, second fixing plates 320 and second fixing bolts 330, one side surfaces of the two clamping plates 310 are respectively connected to an outer surface of the first tube 110, one side surfaces of the second fixing plates 320 are respectively connected to one side surfaces of the two clamping plates 310, a plurality of second fixed plates 320 side surface all is equipped with the second screw hole, two second fixing bolt 330 respectively with a plurality of second screw hole normal running fit, strutting arrangement 400 includes backup pad 410 and connecting rod 420, a plurality of backup pad 410 side surface all with first pipeline 110 internal surface connection, a plurality of connecting rod 420 one end respectively with a plurality of backup pads 410 opposite side surface connection, connecting device 500 includes base 510, base 510 internal surface and first pipeline 110 external surface connection.

Further, the pipe body 100 further includes a flexible hose 130 and a storage tank 140, the storage tank 140 is installed inside the second pipe 120, two ends of the flexible hose 130 are respectively connected to the lower surface of the first pipe 110 and a side surface inside the storage tank 140, the storage tank 140 is used for storing the flexible hose 130 after being contracted, so that the space is greatly saved, the flexible hose 130 can provide a bending region for the power pipe after being contracted, and the bending resistance of the power pipe is improved.

Further, the protection device 200 further includes a first fixing plate 230 and first fixing bolts 240, a side surface of the first fixing plates 230 is connected to a side surface of the two fixing rings 210, a side surface of the first fixing plates 230 is provided with first threaded holes, the first fixing bolts 240 are rotatably fitted to the first threaded holes, the number of the first fixing plates 230 is four, when the power pipe does not need to be bent, the first fixing plates 230 and the first fixing bolts 240 seal the inner flexible hose 130 inside the pipe, and the service life of the pipe is prolonged.

Further, the fixing device 300 further comprises a sharp nail 340, one end of the sharp nail 340 is connected with one side surface of the clamping plate 310, and the sharp nail 340 can firmly fix the whole device, so that the device is very safe and stable.

Further, the supporting device 400 further includes a supporting ring 430 and an insulating rubber 440, the other end surface of the connecting rod 420 is connected to the outer surface of the supporting ring 430, the outer surface of the insulating rubber 440 is connected to the inner surface of the supporting ring 430, the supporting ring 430 can suspend the internal cable, so as to reduce water vapor corrosion, and the insulating rubber 440 can reduce the abrasion of the supporting ring 430 to the internal cable.

Further, the connection device 500 further comprises a connection ring 520 and a sealing rubber 530, the lower surface of the connection ring 520 is connected with the upper surface of the base 510, the sealing rubber 530 is installed inside the connection ring 520, and the connection ring 520 can connect the power tube with another power tube, which is very simple and convenient.

The working principle of the utility model is as follows:

referring to fig. 1-5, the utility model is a bending-resistant PVC biaxial orientation composite co-extrusion power pipe, when the power pipe needs to be bent, two first fixing bolts 240 are rotated, and then two first fixing plates 230 are separated, and the first pipe 110 and the second pipe 120 are pulled manually, so that the inner flexible hose 130 is stretched, because the flexible hose 130 is made of a soft material, the flexible hose has a certain bending property, and the power pipe cannot be damaged, and at the same time, the protective flexible rod 220 is also pulled out and surrounds the outer portion of the flexible hose 130, so as to protect the flexible hose 130 from being damaged by external objects, and increase the service life of the pipe, and the support ring 430 and the connecting rod 420 work together to suspend the inner cable in the air, and cannot directly contact the inner wall of the power pipe, and also cannot directly contact water vapor on the inner wall of the power pipe, so as to reduce corrosion of the water vapor on the inner cable.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a resistant PVC biax orientation of buckling compound crowded electric power pipe altogether which characterized in that: the pipe comprises a pipe body (100), a protection device (200), a fixing device (300), a supporting device (400) and a connecting device (500), wherein the pipe body (100) comprises a first pipeline (110) and a second pipeline (120), the lower surface of the first pipeline (110) is connected with the upper surface of the second pipeline (120), the protection device (200) comprises fixing rings (210) and protecting soft rods (220), the inner surfaces of the two fixing rings (210) are respectively connected with the outer surface of the first pipeline (110) and the outer surface of the second pipeline (120), one side surface of each protecting soft rod (220) is respectively connected with one side surface of the two fixing rings (210), the fixing device (300) comprises a clamping plate (310), a second fixing plate (320) and a second fixing bolt (330), and one side surface of the clamping plate (310) is connected with the outer surface of the first pipeline (110), a plurality of second fixed plate (320) side surface respectively with two splint (310) side surface connections, a plurality of second fixed plate (320) side surface all is equipped with the second screw hole, two second fixing bolt (330) respectively with a plurality of second screw hole normal running fit, strutting arrangement (400) are including backup pad (410) and connecting rod (420), a plurality of backup pad (410) side surface all with first pipeline (110) internal surface connection, a plurality of connecting rod (420) one end respectively with a plurality of backup pad (410) opposite side surface connection, connecting device (500) include base (510), base (510) internal surface and first pipeline (110) surface connection.

2. The bending-resistant PVC biaxial orientation composite co-extrusion electric power tube as claimed in claim 1, characterized in that: the pipe body (100) further comprises a flexible hose (130) and a storage tank (140), the storage tank (140) is installed inside the second pipeline (120), and two ends of the flexible hose (130) are respectively connected with the lower surface of the first pipeline (110) and the surface of one side inside the storage tank (140).

3. The bending-resistant PVC biaxial orientation composite co-extrusion electric power tube as claimed in claim 1, characterized in that: protector (200) still include first fixed plate (230) and first fixing bolt (240), and is a plurality of first fixed plate (230) a side surface respectively with two solid fixed ring (210) a side surface connection, it is a plurality of first fixed plate (230) a side surface all is equipped with first screw hole, two first fixing bolt (240) respectively with a plurality of first screw hole normal running fit.

4. The bending-resistant PVC biaxial orientation composite co-extrusion electric power tube as claimed in claim 1, characterized in that: the fixing device (300) further comprises a sharp nail (340), and one end of the sharp nail (340) is connected with one side surface of the clamping plate (310).

5. The bending-resistant PVC biaxial orientation composite co-extrusion electric power tube as claimed in claim 1, characterized in that: the supporting device (400) further comprises a supporting ring (430) and insulating rubber (440), the other end surfaces of the connecting rods (420) are connected with the outer surface of the supporting ring (430), and the outer surface of the insulating rubber (440) is connected with the inner surface of the supporting ring (430).

6. The bending-resistant PVC biaxial orientation composite co-extrusion electric power tube as claimed in claim 1, characterized in that: the connecting device (500) further comprises a connecting ring (520) and sealing rubber (530), the lower surface of the connecting ring (520) is connected with the upper surface of the base (510), and the sealing rubber (530) is arranged inside the connecting ring (520).