CN115523352A - Multilayer steel wire winding modified polyethylene wear-resistant composite pipe - Google Patents

Multilayer steel wire winding modified polyethylene wear-resistant composite pipe Download PDF

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Publication number
CN115523352A
CN115523352A CN202211181676.6A CN202211181676A CN115523352A CN 115523352 A CN115523352 A CN 115523352A CN 202211181676 A CN202211181676 A CN 202211181676A CN 115523352 A CN115523352 A CN 115523352A
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CN
China
Prior art keywords
wear
composite pipe
resistant composite
annular
pipe unit
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Pending
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CN202211181676.6A
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Chinese (zh)
Inventor
陈京生
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Fujian Lonbon Pipe Industry Co ltd
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Fujian Lonbon Pipe Industry Co ltd
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Priority to CN202211181676.6A priority Critical patent/CN115523352A/en
Publication of CN115523352A publication Critical patent/CN115523352A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/16—Screw-threaded joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, and relates to the technical field of composite pipes. The wear-resistant composite pipe comprises a wear-resistant composite pipe main body and a connecting assembly; the wear-resistant composite pipe main body comprises a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit; the connecting component connecting assembly comprises a connecting cylinder body, first annular connecting pieces are arranged at the two ends of the connecting cylinder body and are arranged on the inner side of the end face of the connecting cylinder body, second annular connecting pieces are arranged on the end face of the connecting cylinder body outside the two first annular connecting pieces, the two first annular connecting pieces are respectively connected with the first wear-resistant composite pipe units, the inner sides of the second wear-resistant composite pipe units can be disassembled and connected, and the two second annular connecting pieces are respectively connected with the first wear-resistant composite pipe units and the outer sides of the second wear-resistant composite pipe units can be disassembled and connected. The invention not only increases the connection stability of the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, but also improves the connection sealing performance.

Description

Multilayer steel wire winding modified polyethylene wear-resistant composite pipe
Technical Field
The invention relates to the technical field of composite pipes, in particular to a multilayer steel wire winding modified polyethylene wear-resistant composite pipe.
Background
The composite pipe is formed by using a metal and thermoplastic plastic composite structure as a base pipe and internally lining non-metal materials such as polypropylene, polyethylene or externally welding crosslinked polyethylene and the like, and has the advantages of a metal pipe and a non-metal pipe.
The multilayer steel wire winding modified polyethylene wear-resistant composite pipe is one of composite pipes, a modified polyethylene core layer is used as a wear-resistant layer, interlayers which are continuously wound and formed by coated high-strength steel wires and distributed in multiple layers are used as pressure-bearing enhancement layers, and the pipe is compounded into a whole by adopting a special bonding factor and modified polyethylene through an internal shaping extrusion forming method and is suitable for delivering town water supply, water supply of high-rise buildings, a central air conditioning fresh air system, chemical corrosion products with a medium temperature lower than 45 ℃ and the like.
The multilayer steel wire winding modified polyethylene wear-resistant composite pipe is generally composed of multiple sections, the adjacent pipe sections are mostly welded through electric iron, the connection is not easy, the sealing performance of the joint is poor, and leakage of conveying fluid is easily caused when the internal pressure of the pipe is too high.
In summary, we propose a multilayer steel wire winding modified polyethylene wear-resistant composite pipe to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, and the design of a connecting component not only increases the connection stability of a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit, but also improves the connection tightness, and the traditional iron-on-insulator connection mode is replaced by simple mechanical connection, so that the multilayer steel wire winding modified polyethylene wear-resistant composite pipe is simpler and more convenient.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides a multilayer steel wire winding modified polyethylene wear-resistant composite pipe, which comprises a wear-resistant composite pipe main body and a connecting assembly;
the wear-resistant composite pipe main body comprises a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit butted with the first wear-resistant composite pipe unit, and the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit have the same structure;
the connecting component comprises a connecting cylinder body, the connecting cylinder body is arranged between the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, the two ends of the connecting cylinder body are provided with first annular connecting sheets coaxial with the connecting cylinder body, the first annular connecting sheets are arranged on the inner sides of the end faces of the connecting cylinder body, the end faces of the connecting cylinder body on the outer sides of the two first annular connecting sheets are provided with second annular connecting sheets, the second annular connecting sheets and the first annular connecting sheets are concentrically arranged, the two first annular connecting sheets respectively correspond to the first wear-resistant composite pipe unit, the inner sides of the second wear-resistant composite pipe unit can be disassembled and connected in a matching mode, the two second annular connecting sheets respectively correspond to the first wear-resistant composite pipe unit, and the outer sides of the second wear-resistant composite pipe unit can be disassembled and connected in a matching mode.
In some embodiments of the present invention, the first wear-resistant composite pipe unit includes a first modified polyethylene layer, a plurality of steel wire mesh fixing layers are disposed on an outer side of the first modified polyethylene layer, and a second modified polyethylene layer is disposed on an outer side of the steel wire mesh fixing layers.
In some embodiments of the present invention, a distance between an outside of the first annular lug and an inside of the second annular lug is greater than a thickness of the first wear resistant composite pipe element.
In some embodiments of the present invention, the outer side of the first annular connecting piece is provided with an external thread, and the inner side of the first wear-resistant composite pipe unit is provided with an internal thread which is in threaded fit with the external thread of the first annular connecting piece;
the inner side of the second annular connecting sheet is provided with internal threads, and the outer side of the first wear-resistant composite pipe unit is provided with external threads matched with the internal threads of the second annular connecting sheet in a threaded manner.
In some embodiments of the present invention, an outer diameter of the connection cylinder is larger than an outer diameter of the first wear-resistant composite unit, an annular groove for accommodating the second annular connection piece is formed in an end surface of the connection cylinder, and the annular groove is provided with an external thread which is in threaded fit with an internal thread of the second annular connection piece.
In some embodiments of the present invention, the connecting cylinder is provided with a plurality of arc-shaped grooves communicated with the annular groove, and the plurality of arc-shaped grooves are uniformly arranged at intervals along the circumferential direction of the connecting cylinder;
the outer side circumference of the second annular connecting sheet is provided with a plurality of adjusting grooves, the plurality of adjusting grooves form a plurality of adjusting units, and the plurality of adjusting units are distributed at intervals along the axial direction of the second annular connecting sheet.
In some embodiments of the present invention, two end surfaces of the connecting cylinder are both provided with first annular reinforcing grooves, a main diversion groove is formed on a ring side of the connecting cylinder, the main diversion groove is communicated with two auxiliary diversion grooves, and the two auxiliary diversion grooves are respectively communicated with the two first annular reinforcing grooves;
the main diversion trench is detachably provided with a sealing plug.
In some embodiments of the invention, the main flow guiding groove is provided with an internal thread, and the sealing plug is a threaded plug.
In some embodiments of the present invention, a second annular reinforcing groove is provided on the end surface of the connection cylinder inside the first annular reinforcing groove, and a third annular reinforcing groove is provided on the end surface of the connection cylinder inside the second annular reinforcing groove;
the first annular reinforcing groove and the second annular reinforcing groove, and the second annular reinforcing groove and the third annular reinforcing groove are respectively communicated through a first passage and a second passage.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
a multilayer steel wire winding modified polyethylene wear-resistant composite pipe comprises a wear-resistant composite pipe main body and a connecting assembly; the wear-resistant composite pipe main body comprises a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit butted with the first wear-resistant composite pipe unit, and the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit have the same structure; the connecting component comprises a connecting cylinder body, the connecting cylinder body is arranged between the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, the two ends of the connecting cylinder body are provided with first annular connecting sheets coaxial with the connecting cylinder body, the first annular connecting sheets are arranged on the inner side of the end face of the connecting cylinder body, the end face of the connecting cylinder body outside the two first annular connecting sheets is provided with second annular connecting sheets, the second annular connecting sheets and the first annular connecting sheets are concentrically arranged, the two first annular connecting sheets respectively correspond to the first wear-resistant composite pipe unit, the inner side of the second wear-resistant composite pipe unit can be disassembled and connected, the two second annular connecting sheets respectively correspond to the first wear-resistant composite pipe unit, and the outer side of the second wear-resistant composite pipe unit can be disassembled and connected.
In the invention, a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit are coaxially butted, the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit are arranged at intervals, a connecting cylinder body is arranged between the gaps of the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, and two first annular connecting pieces are respectively connected with the inner cavities of the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit so as to realize the primary connection of the first wear-resistant composite pipe unit, the connecting cylinder body and the second wear-resistant composite pipe unit; and then the two second annular connecting sheets are respectively connected with the outer sides of the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit. In the above embodiment, the two first annular connecting sheets not only realize the connection between the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, but also realize the sealing at the joint of the first wear-resistant composite pipe unit and the connecting cylinder, and the sealing between the second wear-resistant composite pipe unit and the connecting cylinder, so as to improve the sealing performance of the joint, and the two second annular connecting sheets further realize the resealing and strengthening at the joint of the first wear-resistant composite pipe unit and the connecting cylinder, and the joint stability and the connection sealing performance of the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit are improved. The traditional electric iron connection mode is replaced by simple mechanical connection, so that the connection is simpler and more convenient.
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 schematic structural view of a multilayer steel wire-wound modified polyethylene wear-resistant composite pipe according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic structural diagram of a first wear-resistant composite pipe unit according to an embodiment of the present invention.
Icon: 1-a first wear-resistant composite pipe unit, 101-a second modified polyethylene layer, 102-a steel wire mesh fixing layer, 103-a first modified polyethylene layer, 104-a composite bonding factor, 2-a second wear-resistant composite pipe unit, 3-a first annular connecting sheet, 4-an arc groove, 5-an annular groove, 6-a sealing plug, 7-a second annular connecting sheet, 8-a connecting cylinder body, 9-a first annular reinforcing groove, 10-a second annular reinforcing groove, 11-a third annular reinforcing groove, 12-an auxiliary diversion groove, 13-a first channel, 14-a second channel and 15-an adjusting groove.
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, as 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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection 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 embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, 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.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; 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 by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 4, the embodiment provides a multilayer steel wire-wound modified polyethylene wear-resistant composite pipe, which includes a wear-resistant composite pipe main body and a connecting assembly;
the wear-resistant composite pipe main body comprises a first wear-resistant composite pipe unit 1 and a second wear-resistant composite pipe unit 2 butted with the first wear-resistant composite pipe unit 1, and the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2 have the same structure;
the connecting component comprises a connecting cylinder body 8, the connecting cylinder body 8 is arranged between the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2, the two ends of the connecting cylinder body 8 are provided with first annular connecting sheets 3 coaxial with the connecting cylinder body, the first annular connecting sheets 3 are arranged on the inner sides of the end faces of the connecting cylinder body 8, the end faces of the connecting cylinder body 8 on the outer sides of the first annular connecting sheets 3 are provided with second annular connecting sheets 7, the second annular connecting sheets 7 and the first annular connecting sheets 3 are concentrically arranged, the first annular connecting sheets 3 are respectively matched with the first wear-resistant composite pipe unit 1, the inner sides of the second wear-resistant composite pipe unit 2 can be detachably connected, the second annular connecting sheets 7 are respectively matched with the first wear-resistant composite pipe unit 1, and the outer sides of the second wear-resistant composite pipe unit 2 can be detachably connected.
In the invention, a first wear-resistant composite pipe unit 1 and a second wear-resistant composite pipe unit 2 are coaxially butted, the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2 are arranged at intervals, a connecting cylinder 8 is arranged between the gaps of the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2, and two first annular connecting sheets 3 are respectively connected with the inner cavities of the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2, so as to realize the primary connection of the first wear-resistant composite pipe unit 1, the connecting cylinder 8 and the second wear-resistant composite pipe unit 2; and then the two second annular connecting sheets 7 are respectively connected with the outer sides of the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2. In the above embodiment, the two first annular connecting pieces 3 not only realize the connection between the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2, but also realize the sealing at the joint between the first wear-resistant composite pipe unit 1 and the connecting cylinder 8, and the sealing between the second wear-resistant composite pipe unit 2 and the connecting cylinder 8, so as to improve the sealing performance of the joint, and the two second annular connecting pieces 7 further realize the joint between the first wear-resistant composite pipe unit 1 and the connecting cylinder 8, and the secondary sealing and reinforcement at the joint between the second wear-resistant composite pipe unit 2 and the connecting cylinder 8, so as to improve the butt joint stability of the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2, and the connection sealing performance. The traditional electric iron connection mode is replaced by simple mechanical connection, so that the connection is simpler and more convenient.
In some embodiments of the present invention, the first wear-resistant composite pipe unit 1 includes a first modified polyethylene layer 103, a plurality of steel wire mesh fixing layers 102 are disposed on an outer side of the first modified polyethylene layer 103, and a second modified polyethylene layer 101 is disposed on an outer side of the steel wire mesh fixing layers 102.
In the above embodiment, the steel wire mesh fixing layer 102 and the first modified polyethylene layer 103, the adjacent steel wire mesh fixing layers 102, and the steel wire mesh fixing layer 102 and the second modified polyethylene layer 101 are connected by the composite bonding factor 104, so that the stability of the whole structure is enhanced.
In some embodiments of the invention, the distance between the outside of the first annular web 3 and the inside of the second annular web 7 is greater than the thickness of the first wear-resistant composite pipe unit 1.
In the above embodiment, since the distance between the outer side of the first annular connecting piece 3 and the inner side of the second annular connecting piece 7 is greater than the thickness of the first wear-resistant composite pipe unit 1, the first wear-resistant composite pipe unit 1 can be inserted between the first annular connecting piece 3 and the second annular connecting piece 7, and the stability of butt joint of the first wear-resistant composite pipe unit 1 and the second wear-resistant composite pipe unit 2 is improved under the dual connection effect of the first annular connecting piece 3 and the second annular connecting piece 7.
In some embodiments of the present invention, the outer side of the first annular connecting piece 3 is provided with an external thread, and the inner side of the first wear-resistant composite pipe unit 1 is provided with an internal thread which is in threaded fit with the external thread of the first annular connecting piece 3;
the inner side of the second annular connecting sheet 7 is provided with an internal thread, and the outer side of the first wear-resistant composite pipe unit 1 is provided with an external thread which is in threaded fit with the internal thread of the second annular connecting sheet 7.
In the embodiment, the first annular connecting sheet 3 and the second annular connecting sheet 7 are connected with the first wear-resistant composite pipe unit 1 in a threaded mode, so that the advantages of quick connection and good connection sealing performance are achieved, the traditional electric iron connection mode is replaced, the processes of wire pulling, equipment preparation and the like in the electric iron connection mode are avoided, and the mechanical connection mode is simpler and more convenient.
In some embodiments of the present invention, the outer diameter of the connection cylinder 8 is larger than the outer diameter of the first wear-resistant composite unit, an annular groove 5 for accommodating the second annular connection piece 7 is formed in an end surface of the connection cylinder 8, and the annular groove 5 is provided with an external thread which is in threaded fit with the internal thread of the second annular connection piece 7.
In the above embodiment, the second annular connecting sheet 7 can be accommodated in the annular groove 5, and the hidden design of the second annular connecting sheet 7 is realized, so that when the first annular connecting sheet 3 is installed (for the first annular connecting sheet 3 and the second annular connecting sheet 7 on the same side), the second annular connecting sheet 7 does not have a blocking effect, and after the first annular connecting sheet 3 is installed, the second annular connecting sheet 7 is installed.
In some embodiments of the present invention, the connecting cylinder 8 is provided with a plurality of arc-shaped grooves 4 communicating with the annular groove 5, the number of the arc-shaped grooves 4 is multiple, and the plurality of arc-shaped grooves 4 are uniformly arranged at intervals along the circumferential direction of the connecting cylinder 8;
a plurality of adjusting grooves 15 are circumferentially formed in the outer side of the second annular connecting piece 7, a plurality of adjusting units are formed in the plurality of adjusting grooves 15, and the plurality of adjusting units are distributed at intervals along the axial direction of the second annular connecting piece 7.
In the above embodiment, the adjusting groove 15 is shifted through the arc-shaped groove 4 to drive the second annular connecting sheet 7 to rotate, so that the second annular connecting sheet 7 can be conveniently rotated and adjusted, and the threaded connection between the first wear-resistant composite pipe unit 1 and the connecting cylinder 8 can be realized.
In some embodiments of the present invention, first annular reinforcing grooves 9 are formed on both end surfaces of the connecting cylinder 8, a main diversion groove is formed on a ring side of the connecting cylinder 8, the main diversion groove is communicated with two auxiliary diversion grooves 12, and the two auxiliary diversion grooves 12 are respectively communicated with the two first annular reinforcing grooves 9;
the main runner is detachably provided with a sealing plug 6.
In the above embodiment, by removing the sealing cover, the glue is poured into the main diversion trench, and the glue flows to the first annular reinforcing groove 9 through the auxiliary diversion trench 12, so as to realize the glue sealing at the joint of the first wear-resistant composite pipe unit 1 and the connection cylinder 8, and further improve the connection stability.
In some embodiments of the invention, the main tapping channel is provided with an internal thread and the sealing plug 6 is a threaded plug.
In some embodiments of the present invention, a second annular reinforcing groove 10 is provided on an end surface of the connection cylinder 8 inside the first annular reinforcing groove 9, and a third annular reinforcing groove 11 is provided on an end surface of the connection cylinder 8 inside the second annular reinforcing groove 10;
the first annular reinforcing groove 9 and the second annular reinforcing groove 10, and the second annular reinforcing groove 10 and the third annular reinforcing groove 11 are communicated with each other through a first passage 13 and a second passage 14, respectively.
In the above embodiment, the glue can fill the first annular reinforcing groove 9, the second annular reinforcing groove 10 and the third annular reinforcing groove 11 through the main diversion groove, the auxiliary diversion groove 12, the first channel 13 and the second channel 14, respectively, so as to realize multi-point sealing at the joint of the first wear-resistant composite pipe unit 1 and the connection cylinder 8, and further improve the connection stability of the two.
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.

Claims (9)

1. The multilayer steel wire winding modified polyethylene wear-resistant composite pipe is characterized by comprising a wear-resistant composite pipe main body and a connecting assembly;
the wear-resistant composite pipe main body comprises a first wear-resistant composite pipe unit and a second wear-resistant composite pipe unit butted with the first wear-resistant composite pipe unit, and the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit have the same structure;
the connecting component comprises a connecting cylinder body, the connecting cylinder body is arranged between the first wear-resistant composite pipe unit and the second wear-resistant composite pipe unit, first annular connecting pieces coaxial with the connecting cylinder body are arranged at two ends of the connecting cylinder body, the first annular connecting pieces are arranged on the inner side of the end face of the connecting cylinder body, the two annular connecting pieces are arranged on the outer side of the first annular connecting pieces, the end face of the connecting cylinder body is provided with second annular connecting pieces, the second annular connecting pieces are arranged concentrically with the first annular connecting pieces, the two annular connecting pieces are respectively connected with the first wear-resistant composite pipe unit in a detachable mode, and the two annular connecting pieces are respectively connected with the first wear-resistant composite pipe unit in a detachable mode.
2. The multi-layer steel wire wound modified polyethylene wear-resistant composite pipe as claimed in claim 1, wherein the first wear-resistant composite pipe unit comprises a first modified polyethylene layer, a plurality of steel wire mesh fixing layers are arranged on the outer side of the first modified polyethylene layer, and a second modified polyethylene layer is arranged on the outer side of the steel wire mesh fixing layers.
3. The multilayer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 1, wherein the distance between the outer side of the first annular connecting sheet and the inner side of the second annular connecting sheet is larger than the thickness of the first wear-resistant composite pipe unit.
4. The multilayer steel wire wound modified polyethylene wear-resistant composite pipe as claimed in claim 1, wherein an external thread is arranged on the outer side of the first annular connecting sheet, and an internal thread in threaded fit with the external thread of the first annular connecting sheet is arranged on the inner side of the first wear-resistant composite pipe unit;
the inner side of the second annular connecting sheet is provided with internal threads, and the outer side of the first wear-resistant composite pipe unit is provided with external threads matched with the internal threads of the second annular connecting sheet in a threaded manner.
5. The multilayer steel wire winding modified polyethylene wear-resistant composite pipe according to claim 4, wherein the outer diameter of the connection cylinder is larger than the outer diameter of the first wear-resistant composite unit, an annular groove for accommodating the second annular connection sheet is formed in the end face of the connection cylinder, and the annular groove is provided with an external thread matched with the internal thread of the second annular connection sheet in a threaded manner.
6. The multilayer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 5, wherein the connecting cylinder body is provided with a plurality of arc-shaped grooves communicated with the annular groove, and the arc-shaped grooves are uniformly arranged at intervals along the circumferential direction of the connecting cylinder body;
a plurality of adjusting grooves are formed in the circumferential direction of the outer side of the second annular connecting piece, a plurality of adjusting grooves form adjusting units, the number of the adjusting units is multiple, and the adjusting units are distributed at intervals in the axis direction of the second annular connecting piece.
7. The multilayer steel wire winding modified polyethylene wear-resistant composite pipe according to claim 1, wherein the connecting cylinder body is provided with first annular reinforcing grooves on both end surfaces, the connecting cylinder body is provided with a main diversion groove on the ring side, the main diversion groove is communicated with two auxiliary diversion grooves, and the two auxiliary diversion grooves are respectively communicated with the two first annular reinforcing grooves;
the main runner is detachably provided with a sealing plug.
8. The wear-resistant composite pipe made of multilayer steel wire-wound modified polyethylene as claimed in claim 7, wherein the main diversion trench is provided with internal threads, and the sealing plug is a threaded plug.
9. The multilayer steel wire wound modified polyethylene wear-resistant composite pipe according to claim 8, wherein a second annular reinforcing groove is formed in the end face of the connection cylinder body inside the first annular reinforcing groove, and a third annular reinforcing groove is formed in the end face of the connection cylinder body inside the second annular reinforcing groove;
the first annular reinforcing groove and the second annular reinforcing groove and the third annular reinforcing groove are communicated through a first channel and a second channel respectively.
CN202211181676.6A 2022-09-27 2022-09-27 Multilayer steel wire winding modified polyethylene wear-resistant composite pipe Pending CN115523352A (en)

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CN202211181676.6A CN115523352A (en) 2022-09-27 2022-09-27 Multilayer steel wire winding modified polyethylene wear-resistant composite pipe

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