阅读说明：本技术 一种加强型复合管 (Reinforced composite pipe ) 是由 沙月华 陈俊琛 秦庆戊 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种加强型复合管,涉及管道技术领域。该加强型复合管包括内衬层、加强层和外套层。外套层围设于加强层外,加强层围设于内衬层外,加强层包括加强带,加强带呈螺旋状地缠绕设置于内衬层外,加强带包括编织线和多条承载线,多条承载线平行间隔设置,相邻两条承载线之间形成编织空间,编织线依次穿设于多个编织空间内,以固定多条承载线的相对位置。与现有技术相比,本发明提供的加强型复合管由于采用了呈螺旋状地缠绕设置于内衬层外的加强带以及相互交织的编织线和承载线,所以能够提高强度和承压能力,避免在外界压力作用下发生开裂或者破损的情况,延长使用寿命。(The invention discloses a reinforced composite pipe and relates to the technical field of pipelines. The reinforced composite pipe comprises an inner liner, a reinforcing layer and an outer sleeve. The outer jacket layer encloses to be located outside the enhancement layer, and outside the enhancement layer encloses to be located the inside lining layer, the enhancement layer includes the strengthening band, and the strengthening band is the heliciform ground winding and sets up outside the inside lining layer, and the strengthening band includes braided wire and many bearing line, and the parallel interval of many bearing line sets up, forms between two adjacent bearing line and weaves the space, and the braided wire wears to locate in a plurality of spaces of weaving in proper order to the relative position of fixed many bearing line. Compared with the prior art, the reinforced composite pipe provided by the invention adopts the reinforcing belt spirally wound outside the lining layer and the braided wires and the bearing wires which are interwoven, so that the strength and the bearing capacity can be improved, the condition of cracking or breakage under the action of external pressure is avoided, and the service life is prolonged.)

1. The utility model provides a compound pipe of strenghthened type, its characterized in that includes inner liner, enhancement layer and overcoat layer, the overcoat layer encloses to be located outside the enhancement layer, the enhancement layer encloses to be located outside the inner liner layer, the enhancement layer includes the strengthening band, the strengthening band be the heliciform winding set up in outside the inner liner layer, the strengthening band includes braided wire and many bearing lines, many the parallel interval of bearing line sets up, adjacent two form between the bearing line and weave the space, the braided wire wears to locate in proper order a plurality of weave in the space, in order to fix many the relative position of bearing line.

2. The reinforced composite pipe of claim 1, wherein the braided wires comprise a first braided wire and a second braided wire, the first braided wire and the second braided wire are arranged in a staggered manner, and the load-bearing wire is arranged between the first braided wire and the second braided wire.

3. The reinforced composite pipe of claim 1, wherein the number of the braided wires is multiple, the braided wires are arranged in parallel and in a fitting manner, and the arrangement direction of the braided wires is the same as the length direction of the bearing wire.

4. The reinforced composite pipe of claim 1, wherein the braided wires are disposed perpendicular to the load carrying wires.

5. The reinforced composite tube of claim 1, wherein the reinforcing tape comprises a first reinforcing tape and a second reinforcing tape, the first reinforcing tape and the second reinforcing tape are spirally wound outside the inner lining layer, and a winding direction of the first reinforcing tape intersects a winding direction of the second reinforcing tape.

6. The reinforced composite tube of claim 5, wherein the first and second reinforcing strips are each two in number.

7. The reinforced composite tube of claim 5, wherein the first reinforcing tape is bonded to the second reinforcing tape.

8. The reinforced composite tube of claim 1, further comprising a warp layer disposed between the liner layer and the reinforcing layer.

9. The reinforced composite pipe of claim 8, wherein the warp layer comprises a plurality of warps, the warps are arranged outside the lining layer in an annular array and are arranged along the axial extension of the lining layer, and the reinforcing layer wraps the warps.

10. The reinforced composite pipe of claim 1, wherein the inner liner and the outer jacket are each made of polyethylene, polyvinyl chloride, or polypropylene material.

Technical Field

The invention relates to the technical field of pipelines, in particular to a reinforced composite pipe.

Background

At present, with the continuous development of science and technology, the composite pipe is widely applied to projects such as material conveying, water supply and drainage and the like due to excellent corrosion resistance, wear resistance, heat resistance and mechanical impact resistance. But the existing composite pipe has lower strength and weaker bearing capacity, is easy to crack and even damage under the action of external force for a long time, and has shorter service life.

In view of this, it is important to design and manufacture a reinforced composite pipe with high strength, especially in pipeline production.

Disclosure of Invention

The invention aims to provide a reinforced composite pipe, which can improve the strength and the bearing capacity, avoid the condition of cracking or breakage under the action of external pressure and prolong the service life.

The invention is realized by adopting the following technical scheme.

The utility model provides a compound pipe of strenghthened type, including inner liner, enhancement layer and overcoat, the overcoat encloses to be located outside the enhancement layer, the enhancement layer encloses to be located outside the inner liner, the enhancement layer includes the strengthening band, the strengthening band is the heliciform ground winding and sets up outside the inner liner, the strengthening band includes braided wire and many carrier wires, many carrier wires parallel interval set up, form between two adjacent carrier wires and weave the space, the braided wire wears to locate in a plurality of spaces of weaving in proper order to the relative position of fixed many carrier wires.

Optionally, the braided wires include a first braided wire and a second braided wire, the first braided wire and the second braided wire are arranged in a staggered manner, and the carrier wire is arranged between the first braided wire and the second braided wire.

Optionally, the quantity of braided wire is many, and many braided wires are parallel and the laminating setting, and the direction of arranging of many braided wires is the same with the length direction who bears the weight of the line.

Optionally, the braided wires are arranged perpendicular to the carrier wires.

Optionally, the reinforcing strip includes a first reinforcing strip and a second reinforcing strip, the first reinforcing strip and the second reinforcing strip are spirally wound outside the inner lining layer, and the winding direction of the first reinforcing strip intersects with the winding direction of the second reinforcing strip.

Optionally, the number of first and second reinforcing bands is two.

Optionally, the first reinforcing strip is bonded to the second reinforcing strip.

Optionally, the reinforced composite pipe further comprises a warp layer disposed between the inner liner layer and the reinforcing layer.

Optionally, the warp layer includes many warps, and many warps set up outside the inner liner layer with annular array, and all set up along the axial extension of inner liner, and the enhancement layer wraps up outside many warps simultaneously.

Optionally, the inner liner and the outer jacket are both made of polyethylene, polyvinyl chloride or polypropylene material.

The reinforced composite pipe provided by the invention has the following beneficial effects:

the reinforced composite pipe provided by the invention has the advantages that the outer sleeve layer is arranged outside the reinforcing layer in a surrounding manner, the reinforcing layer is arranged outside the lining layer in a surrounding manner, the reinforcing layer comprises the reinforcing belt, the reinforcing belt is spirally wound outside the lining layer and comprises a braided wire and a plurality of bearing wires, the plurality of bearing wires are arranged in parallel at intervals, a braided space is formed between every two adjacent bearing wires, and the braided wire sequentially penetrates through the plurality of braided spaces so as to fix the relative positions of the plurality of bearing wires. Compared with the prior art, the reinforced composite pipe provided by the invention adopts the reinforcing belt spirally wound outside the lining layer and the braided wires and the bearing wires which are interwoven, so that the strength and the bearing capacity can be improved, the condition of cracking or breakage under the action of external pressure is avoided, and the service life is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of a reinforced composite pipe provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a reinforced layer surrounding an inner lining layer in the reinforced composite pipe according to the embodiment of the present invention;

fig. 3 is a cross-sectional view of a reinforcing strip in a reinforced composite pipe according to an embodiment of the present invention;

fig. 4 is an exploded view of a reinforcement strip in a reinforced composite pipe according to an embodiment of the present invention.

Icon: 100-reinforced composite pipes; 110-an inner liner layer; 120-a reinforcement layer; 121-a reinforcing band; 122-braided wire; 123-carrier line; 124-weaving space; 125-a first braided wire; 126-a second braided wire; 127-a first reinforcing band; 128-a second reinforcing band; 130-overcoat layer; 140-a warp layer; 141-warp threads.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to 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," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, 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.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1, an embodiment of the present invention provides a reinforced composite pipe 100 for material transportation or water supply and drainage. The high-strength high-pressure-bearing composite material can improve the strength and the pressure-bearing capacity, avoid cracking or breakage under the action of external pressure, and prolong the service life.

The reinforced composite pipe 100 includes an inner liner layer 110, a reinforcing layer 120, an outer jacket layer 130, and a warp layer 140. The outer layer 130 surrounds the reinforcing layer 120, the reinforcing layer 120 surrounds the inner liner 110, and the warp layer 140 is disposed between the inner liner 110 and the reinforcing layer 120. Specifically, the outer jacket layer 130 is used for external protection, and prevents the reinforced composite pipe 100 from being corroded or damaged; the reinforcing layer 120 is used for improving the strength and the pressure bearing capacity of the reinforced composite pipe 100 and prolonging the service life of the reinforced composite pipe 100; the warp layer 140 is used to carry the axial stress of the reinforced composite pipe 100; the inner liner 110 is used for the flow of materials or water.

Referring to fig. 2, it should be noted that the reinforcing layer 120 includes a reinforcing band 121. The reinforcing band 121 is spirally wound outside the inner liner 110 to improve the strength and the pressure bearing capacity of the inner liner 110, prevent the inner liner 110 from cracking under the pressure action of materials or water, and prolong the service life of the inner liner 110. Specifically, the reinforcing band 121 is wrapped outside the inner liner 110 along a direction inclined to the axis of the inner liner 110 to clamp the inner liner 110, thereby improving the strength of the inner liner 110 and preventing the inner liner 110 from cracking or being damaged.

Referring to fig. 3, the reinforcing band 121 includes a braided wire 122 and a plurality of carrier wires 123. The plurality of carrier wires 123 are arranged in parallel at intervals, a weaving space 124 is formed between two adjacent carrier wires 123, and the weaving space 124 is used for the weaving wire 122 to pass through. The knitting yarn 122 sequentially penetrates through the knitting spaces 124 to fix the relative positions of the carrying yarns 123 and prevent the carrying yarns 123 from relative displacement.

Braided wire 122 includes a first braided wire 125 and a second braided wire 126. The first braided wire 125 and the second braided wire 126 are arranged alternately, the carrier wire 123 is arranged between the first braided wire 125 and the second braided wire 126, and the first braided wire 125 and the second braided wire 126 are used for clamping the carrier wire 123. The first braided wire 125 and the second braided wire 126 work together to fix the relative positions of the plurality of carrier wires 123.

Specifically, in the process of interlacing the knitting line 122 with the plurality of carrier lines 123, first, the first knitting line 125 passes over the first carrier line 123 and extends into the first knitting space 124, and in the process, the second knitting line 126 passes under the first carrier line 123 and extends into the first knitting space 124, and the first knitting line 125 and the second knitting line 126 are interlaced in the first knitting space 124; the first weaving wire 125 is then passed under the second carrier wire 123 and into the second weaving space 124, during which the second weaving wire 126 is passed over the second carrier wire 123 and into the second weaving space 124, the first weaving wire 125 and the second weaving wire 126 being interlaced in the second weaving space 124; this is repeated, and the first braided wire 125 and the second braided wire 126 fix the plurality of carrier wires 123.

It should be noted that the number of the braided wires 122 is multiple, the braided wires 122 are parallel and arranged in a fitting manner, and the arrangement direction of the braided wires 122 is the same as the length direction of the carrier wire 123. The plurality of braided wires 122 are densely arranged to completely cover the plurality of carrier wires 123, thereby forming the reinforcing band 121 by braiding.

In this embodiment, the braided wire 122 is perpendicular to the carrier wire 123, so as to facilitate braiding, improve the strength of the reinforcing band 121, and improve the aesthetic property. But not limited thereto, in other embodiments, the braided wire 122 is disposed obliquely to the carrier wire 123, and the angle formed between the braided wire 122 and the carrier wire 123 is not particularly limited.

In this embodiment, the braided wire 122 and the carrier wire 123 are made of nylon material to ensure the strength of the reinforcing tape 121. However, the invention is not limited thereto, and in other embodiments, the braided wire 122 and the carrier wire 123 may be both made of polyester material or aramid material, and the materials of the braided wire 122 and the carrier wire 123 are not particularly limited.

Referring to fig. 4, the reinforcing band 121 includes a first reinforcing band 127 and a second reinforcing band 128, and both the first reinforcing band 127 and the second reinforcing band 128 are woven from the woven wire 122 and the carrier wire 123. The first reinforcing band 127 and the second reinforcing band 128 are spirally wound outside the lining layer 110, and the winding direction of the first reinforcing band 127 is intersected with the winding direction of the second reinforcing band 128, so that the strength of the reinforced composite pipe 100 is improved, and the reinforced composite pipe 100 has better pressure-bearing capacity.

In this embodiment, the number of the first reinforcing strips 127 and the second reinforcing strips 128 is two, the first reinforcing strips 127 are spirally wound outside the inner liner 110 along the first direction, the second reinforcing strips 127 are spirally wound outside the first reinforcing strips 127 along the first direction, the first second reinforcing strips 128 are spirally wound outside the second reinforcing strips 127 along the second direction, the second reinforcing strips 128 are spirally wound outside the first reinforcing strips 128 along the second direction, and the first direction and the second direction form an included angle of 60 degrees, so as to further improve the strength of the reinforced composite pipe 100. However, the number of the first reinforcing band 127 and the second reinforcing band 128 may be one or three in other embodiments, and the number of the first reinforcing band 127 and the second reinforcing band 128 is not particularly limited.

In this embodiment, the first reinforcing band 127 and the second reinforcing band 128 are bonded, the two first reinforcing bands 127 are bonded and fixed, and the two second reinforcing bands 128 are bonded and fixed, so as to fix the relative positions of the whole reinforcing bands 121 and prevent the reinforcing bands 121 from being loosened.

With continued reference to fig. 2, the warp thread layer 140 includes a plurality of warp threads 141. The plurality of warps 141 are arranged outside the inner liner 110 in an annular array and extend along the axial direction of the inner liner 110, and the reinforcing layer 120 wraps the plurality of warps 141 at the same time to fix the relative positions of the warps 141 and the inner liner 110. The warp threads 141 not only carry the axial stress from the winding of the reinforcing tape 121, but also improve the axial strength of the inner liner 110. Specifically, the number of the warp threads 141 in the warp thread layer 140 ranges from 12 to 20, and the warp threads 141 are made of polyester staple fiber material. In the process of installing the warp layer 140, the warp 141 is coated on the outer surface of the inner liner 110 in parallel in the axial direction of the inner liner 110 by using an automatic thread-off device.

In this embodiment, the inner liner 110 and the outer jacket 130 are made of polyethylene, polyvinyl chloride, or polypropylene. However, the inner liner layer 110 and the outer jacket layer 130 may be made of ethylene propylene rubber, chloroprene rubber or nitrile rubber in other embodiments, and the material of the inner liner layer 110 and the outer jacket layer 130 is not particularly limited.

In the reinforced composite pipe 100 provided by the embodiment of the invention, the outer jacket layer 130 is arranged around the reinforcing layer 120, the reinforcing layer 120 is arranged around the inner liner layer 110, the reinforcing layer 120 comprises the reinforcing belt 121, the reinforcing belt 121 is spirally wound around the inner liner layer 110, the reinforcing belt 121 comprises the braided wire 122 and a plurality of bearing wires 123, the plurality of bearing wires 123 are arranged in parallel at intervals, a braided space 124 is formed between two adjacent bearing wires 123, and the braided wire 122 sequentially penetrates through the plurality of braided spaces 124 to fix the relative positions of the plurality of bearing wires 123. Compared with the prior art, the reinforced composite pipe 100 provided by the invention adopts the reinforcing belt 121 spirally wound outside the lining layer 110, and the braided wire 122 and the bearing wire 123 which are mutually interwoven, so that the strength and the bearing capacity can be improved, the condition of cracking or breakage under the action of external pressure is avoided, and the service life is prolonged.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.