CN111578027B - Electric hot melting area of abnormal shape panel reinforcing - Google Patents
Electric hot melting area of abnormal shape panel reinforcing Download PDFInfo
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- CN111578027B CN111578027B CN202010425212.XA CN202010425212A CN111578027B CN 111578027 B CN111578027 B CN 111578027B CN 202010425212 A CN202010425212 A CN 202010425212A CN 111578027 B CN111578027 B CN 111578027B
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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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
Abstract
The invention discloses an electric hot melting belt reinforced by a special-shaped plate, which comprises a hot melting plastic layer for hot melting welding with the surface of a plastic pipeline, wherein a reinforced special-shaped plate layer is fixedly connected between the hot melting plastic layer and a cladding plastic layer, the reinforced special-shaped plate layer is limited between the hot melting plastic layer and the cladding plastic layer, an interlocking structure is respectively formed between the reinforced special-shaped plate layer and the hot melting plastic layer and between the reinforced special-shaped plate layer and the cladding plastic layer, a heating resistance wire layer is fixedly connected on the hot melting plastic layer, the heating resistance wire layer is communicated with an electrified joint, the locking structure can integrate the reinforced special-shaped plate layer, the hot melting plastic layer and the cladding plastic layer, the reinforced special-shaped plate layer can not move relative to the hot melting plastic layer and the cladding plastic layer, the resistance wire layer is stable in resistance, the plastic pipeline is uniformly welded, the reinforced net layer is not easily layered with the hot melting plastic layer and the cladding plastic layer, and the electric hot melting belt is suitable for the construction field of plastic pipelines and plastic composite pipelines.
Description
Technical Field
The invention belongs to the field of construction of plastic pipelines and plastic composite pipelines, and particularly relates to an electric hot melting belt reinforced by special-shaped plates.
Background
Along with the continuous increase of the caliber of plastic pipelines, the existing electric hot melting belt connecting technology and hot plate butt welding can not meet the use requirement, an electric hot melting belt reinforced by a steel mesh or a mesh grid plate appears in the market and is used for the connection of large-caliber plastic pipelines, but because the steel mesh or the mesh grid plate reinforcing layer and a plastic substrate of the electric hot melting belt have no adhesive force, the steel and plastic separation can occur after a long time, meanwhile, the existing electric hot melting belt mostly adopts a structure of a heating steel mesh for heating welding, the heating steel mesh is limited by a processing technology in the process of manufacturing and attaching clothes, the resistance value of the heating steel mesh is frequently fluctuated, the stability of the resistance value is poor, the welding is not uniform, the difficulty is brought to the later welding, a mode of welding large and small pieces of electric hot melting belts step by step is needed in the welding process, butt joints and the electric hot melting belts are needed to be manually repaired and overlapped, the connecting efficiency and the welding quality are reduced, the welding time is long, and the process is complicated, so that an electric hot melting belt reinforced by special-shaped plate is urgently needed for the connection of large-caliber plastic pipelines.
Disclosure of Invention
The invention provides an electric hot-melt belt reinforced by special-shaped plates, which solves the problems that in the prior art, the resistance value stability of a heating steel mesh in the electric hot-melt belt is poor, so that the welding is not uniform, no adhesive force exists between the steel mesh or a mesh plate reinforcing layer and a plastic substrate of the electric hot-melt belt, and the steel and the plastic can be separated for a long time.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an electric hot melt area of abnormal shape panel reinforcing, the key point lies in: including being used for with plastic conduit surface hot melt welded hot melt plastic layer, it is used for reinforcing plastic conduit to be connected axial strength and confined strength's reinforcing abnormal shape sheet material layer to link firmly between hot melt plastic layer and the cladding plastic layer, reinforcing abnormal shape sheet material layer be restricted in between hot melt plastic layer and the cladding plastic layer, reinforcing abnormal shape sheet material layer respectively with hot melt plastic layer and cladding plastic layer between form interlocking structure, link firmly the heating resistor silk layer that is used for making the melting of hot melt plastic layer on the hot melt plastic layer, heating resistor silk layer intercommunication has and is used for the power switch on messenger the circular telegram joint that heating resistor silk layer generates heat.
Furthermore, the interlocking structure comprises a concave-convex alternate structure formed on the contact surface of the reinforced special-shaped plate layer and the contact surface of the hot-melt plastic layer and the cladding plastic layer respectively, and a locking structure mutually embedded and interlocked with the concave-convex alternate structure on the reinforced special-shaped plate layer is formed on the contact surface of the hot-melt plastic layer and the contact surface of the cladding plastic layer and the reinforced special-shaped plate layer respectively.
Furthermore, the tensile strength of the reinforced special-shaped plate layer is greater than that of the hot-melt plastic layer and the cladding plastic layer.
Furthermore, the reinforced special-shaped plate layer is made of metal.
Furthermore, an adhesive resin layer is respectively bonded between the reinforced special-shaped plate layer and the hot-melt plastic layer and between the reinforced special-shaped plate layer and the cladding plastic layer.
Furthermore, the reinforced special-shaped plate is a plurality of special-shaped plates which are mutually bonded.
Furthermore, the heating resistance wire layer is composed of heating resistance wires which are distributed in a reciprocating manner along the width direction of the hot-melt plastic layer and fixedly connected to the hot-melt plastic layer.
Furthermore, the heating resistance wire is embedded in the hot-melt plastic layer, the distance between one surface of the hot-melt plastic layer, which is in contact with the plastic pipeline, and the heating resistance wire is D, and D is not less than 0.5mm and not more than 2mm.
Furthermore, the heating resistance wire is single-stranded or multi-stranded.
Furthermore, the power joints are respectively positioned on two sides of the width direction of the hot-melt plastic layer and communicated with the heating resistance wire layer, and the power joints are copper joints.
Due to the adoption of the structure, compared with the prior art, the invention has the technical progress that: the invention replaces the heating steel mesh with the heating resistance wire layer, can connect the power supply with the power joint, causes the heating resistance wire layer to heat, causes the hot melt plastic layer to melt and welds the plastic pipeline, because the resistance value of the heating resistance wire layer is stable, therefore, the pipeline welding is uniform, the reinforced special-shaped plate layer is fixedly connected between the hot melt plastic layer and the cladding plastic layer, the reinforced special-shaped plate layer is used for enhancing the axial strength and the bearing strength of the plastic pipeline connection, the reinforced special-shaped plate layer is limited between the hot melt plastic layer and the cladding plastic layer, the reinforced special-shaped plate layer forms an interlocking structure with the hot melt plastic layer and the cladding plastic layer respectively, the interlocking structure can form the reinforced special-shaped plate layer, the hot melt plastic layer and the cladding plastic layer into a whole, and the reinforced special-shaped plate layer can not move relative to the hot melt plastic layer and the cladding plastic layer, the fixing effect between the reinforced net layer and the hot melt plastic layer and the cladding plastic layer is improved, the reinforced net layer is not easy to separate from the hot melt plastic layer and the cladding plastic layer, the steps of manual repair welding butt joint and repair the welding of the electric heating welding butt joint and repair the electric heating welding butt joint, the welding butt joint are solved, the problems of the existing welding process, the operation process is complicated, the operator is not easy to remove the long operation, and the operator's operation proficiency of the butt joint is influenced by the operator at the problem of the repair welding is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of embodiments 1 and 2 of the present invention;
fig. 2 is a schematic structural view of a reinforced profiled sheet layer according to example 1 of the present invention;
figure 3 is a top view of a layer of reinforced profiled sheet material according to example 1 of the present invention;
figure 4 is a front view of a layer of reinforced profiled sheet material according to example 1 of the present invention;
fig. 5 is a schematic structural view of a reinforced profiled sheet layer according to example 2 of the present invention;
figure 6 is a top view of a layer of reinforced profiled sheet material according to example 2 of the present invention;
fig. 7 is a front view of a layer of reinforced profiled sheet material according to example 2 of the present invention;
fig. 8 is a schematic structural view of the connection between the embodiments 1 and 2 of the present invention and a plastic pipe.
Labeling components: the plastic pipe comprises, by weight, 1-a hot melt plastic layer, 2-a coating plastic layer, 3-a bonding resin layer, 4-a reinforced special-shaped sheet material layer, 5-a heating resistance wire, 6-a square clamping groove, 7-a limiting protrusion, 8-a first protrusion, 9-a first groove and 10-a plastic pipe.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
EXAMPLE 1A profiled plate-reinforced electric hot melt tape
This embodiment discloses an electric heat fusion area of heterotypic panel reinforcing, as shown in fig. 1-8, including hot melt plastic layer 1, hot melt plastic layer 1 is used for welding into an organic whole with plastic conduit 10 surperficial hot melt, fixedly connected with reinforcing heterotypic plate layer 4 between hot melt plastic layer 1 and cladding plastic layer 2, reinforcing heterotypic plate layer 4 is used for reinforcing the axial strength and the bearing strength that plastic conduit 10 is connected, reinforcing heterotypic plate layer 4 is restricted between hot melt plastic layer 1 and cladding plastic layer 2, reinforcing heterotypic plate layer 4 forms the interlocking structure respectively with hot melt plastic layer 1 and cladding plastic layer 2, reinforcing heterotypic plate layer 4 respectively with hot melt plastic layer 1, cladding plastic layer 2 each other inlays the interlocking, form a whole, fixedly connected with heating resistance wire layer on hot melt plastic layer 1, heating resistance wire layer communicates there is the ohmic contact, the ohmic contact is used for switching on power supply makes heating resistance wire layer 5 generate heat, make hot melt plastic layer 1 melt and weld plastic conduit 10, through changing the heating wire layer, can be connected with heating resistance wire layer for heating wire layer, make the heterotypic plate layer 1 stable cladding plastic conduit 4, thereby the axial strength and reinforcing plastic layer 4 of plastic layer 4 are used for the cladding plastic conduit 4, the plastic layer and the cladding plastic layer 4, thereby the reinforcing plastic layer is connected with the plastic layer 4, the plastic layer of the plastic layer 4 Hot melt plastic layer 1 and cladding plastic layer 2 form a whole, and reinforcing abnormal shape sheet material layer 4 can not remove for hot melt plastic layer 1 and cladding plastic layer 2, the fixed effect between reinforcing abnormal shape sheet material layer 4 and hot melt plastic layer 1 and the cladding plastic layer 2 has been improved, be difficult to make reinforcing abnormal shape sheet material layer 4 and hot melt plastic layer 1 and cladding plastic layer 2 separation, the step of artifical repair welding butt joint seam and repair welding overlap joint electric heat melting area has been removed, it is more to have solved current electric heat melting area connection process step, the operation process is loaded down with trivial details, the longer problem of time spent, the operation proficiency of having solved the operator simultaneously causes the problem of influence to the butt joint seam quality to artifical repair welding.
Interlocking structure's concrete structure does in this embodiment, interlocking structure includes the unsmooth alternate structure that forms on reinforcing heterotypic sheet material layer 4's double-phase opposite face, on hot melt plastic layer 1 and cladding plastic layer 2 and the two forms locking structure respectively with reinforcing heterotypic sheet material layer 4 one side of contact, locking structure and unsmooth alternate structure inlay the interlocking each other, unsmooth alternate structure specifically is reinforcing heterotypic sheet material layer 4 along the regular first recess 9 and the first arch 8 of its length direction reciprocal equidistance bending type one-tenth, locking structure is forming on hot melt plastic layer 1 and the cladding plastic layer 2 with the first recess 9 first protruding 8 mutual joint interlocking of second recess and second arch, it is protruding with first recess 9 and second, first protruding 8 and the second recess mutual assembly joint, make reinforcing heterotypic sheet material layer 4 respectively with hot melt plastic layer 1 and cladding plastic layer 2 fixed connection one whole, and reinforcing heterotypic sheet material layer 4 can not remove for hot melt plastic layer 1 and cladding plastic layer 2, reinforcing heterotypic sheet material layer 4 and the fixed effect between hot melt plastic layer 1 and the cladding 2 are difficult to make reinforcing heterotypic sheet material layer 4 and the heterotypic sheet material layer and the cladding plastic layer 2 separation of hot melt plastic layer 1 and cladding plastic layer 2, the reinforcing heterotypic plastic layer is improved.
In the embodiment, the reinforced special-shaped plate layer 4 is a multi-layer special-shaped plate which is formed by mutually bonding, the tensile strength of the reinforced special-shaped plate layer 4 is greater than that of the hot melt plastic layer 1 and the cladding plastic layer 2, the reinforced special-shaped plate layer 4 can be made of metal or nonmetal, when the reinforced special-shaped plate layer 4 is made of metal, the reinforced special-shaped plate layer 4 is respectively bonded with the hot melt plastic layer 1 and the cladding plastic layer 2 through the bonding resin layer 3, the bonding resin layer 3 can be effectively bonded with the metal and can also be bonded with the plastic, the bonding resin layer 3 can reinforce the connection between the reinforced special-shaped plate layer 4 and the hot melt plastic layer 1 and the cladding plastic layer 2 respectively, so that the reinforced special-shaped plate layer 4 is bonded into a whole and is not easy to layer, and the separation phenomenon of steel and plastic can not occur; when the reinforcing profiled sheet layer 4 is non-metallic, the adhesive resin layer 3 may be eliminated.
The specific structure on heating resistance wire layer does in this embodiment, heating resistance wire layer comprises heating resistance wire 5, heating resistance wire 5 is along the reciprocal distribution of width direction of hot melt plastic layer 1, and fixed connection is on hot melt plastic layer 1, heating resistance wire 5 imbeds in hot melt plastic layer 1, the one side of the hot melt plastic layer 1 with plastic conduit 10 contact is apart from heating resistance wire 5's distance D,0.5mm is not more than D and is not more than 2mm, because heating resistance wire 5 buries underground in hot melt plastic layer 1, consequently, can prevent the dust from bonding on heating resistance wire 5, and when polishing the oxide layer on hot melt plastic layer 1 surface, heating resistance wire 5 can not be hindered, make things convenient for polishing of oxide layer on hot melt plastic layer 1, after carrying out plastic conduit 10 welding, form one deck plastics inoxidizing coating, plastic coating mode and the reciprocating type heating resistance wire 5 wiring mode through the overlap joint, the stability resistance wire of welding has been improved, artifical repair welding seam and repair welding resistance wire 5 direct contact and then corrode heating resistance wire 5, heating resistance wire 5's step has improved heating resistance wire and reciprocating type welding efficiency and has been set up the stranded electrical connection for the width direction respectively in the hot melt plastic layer 1, and the both sides of the heating resistance wire, and the welding of the step of the welding is connected.
As a preferred structure, two power-on connectors are respectively fixedly connected to two sides of the heating resistance wire layer, the specific connection mode is bonding, power is powered on, the power-on connectors are connected to heat the heating resistance wire layer, the hot-melt plastic layer 1 is melted to carry out fusion welding on the plastic pipeline 10, and due to the fact that the power-on direction is the axial power-on direction of the plastic pipeline 10, the problem that welding is affected by short circuit and the like even if the heating resistance wires 5 at the lap joint are in contact with each other can be avoided.
This implementation is equipped with the chamfer tip along its length direction's one end, and the other end cladding of this embodiment is outside on the inclined plane of chamfer tip, and when this embodiment is treating two plastic conduit 10 linking area cladding connections of connecting, lap joint department vacuole formation can be avoided in the setting up of chamfer tip.
The embodiment can be integrally formed or formed step by step, when the step by step forming is carried out, the bonding resin layer 3 and the reinforced special-shaped plate layer 4 are firstly compounded together, and then the hot melt plastic layer 1, the cladding plastic layer 2 and the reinforced special-shaped plate layer 4 are integrally compounded.
Embodiment 2 a profiled sheet reinforced electric hot melt belt
This embodiment changes the structure of the interlocking structure in embodiment 1 into, as shown in fig. 5-7, the interlocking structure includes the unsmooth alternate structure that forms on the double-phase opposite face of reinforcing heterotypic sheet material layer 4, form locking structure on hot melt plastic layer 1 and cladding plastic layer 2 and the two respectively with the one side of reinforcing heterotypic sheet material layer 4 contact, locking structure and unsmooth alternate structure inlay the interlocking each other, unsmooth alternate structure specifically is reinforcing heterotypic sheet material layer 4 one side interval and has evenly seted up a plurality of square draw-in grooves 6, position department that corresponds with square draw-in groove 6 on the another side forms spacing arch 7, locking mechanism includes that be formed with the structure with square draw-in groove 6 and spacing arch 7 mutual joint on hot melt plastic layer 1 and the cladding plastic layer 2, make reinforcing heterotypic sheet material layer 4 respectively with hot melt plastic layer 1 and cladding plastic layer 2 fixed connection become a whole, and reinforcing heterotypic sheet material layer 4 can not remove for hot melt plastic layer 1 and cladding plastic layer 2, the fixed effect between reinforcing heterotypic sheet material layer 4 and hot melt plastic layer 1 and cladding layer 2 has been improved, it is difficult to make reinforcing heterotypic sheet material layer 4 separate with hot melt plastic layer 1 and plastic layer 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an electric hot melt area of heterotypic panel reinforcing which characterized in that: the hot-melt plastic pipe comprises a hot-melt plastic layer which is used for being in hot-melt welding with the surface of a plastic pipe, wherein a reinforced special-shaped plate layer which is used for enhancing the axial strength and the bearing strength of the connection of the plastic pipe is fixedly connected between the hot-melt plastic layer and a cladding plastic layer, the reinforced special-shaped plate layer is limited between the hot-melt plastic layer and the cladding plastic layer, an interlocking structure is respectively formed between the reinforced special-shaped plate layer and the hot-melt plastic layer and between the reinforced special-shaped plate layer and the cladding plastic layer, a heating resistance wire layer which is used for melting the hot-melt plastic layer is fixedly connected on the hot-melt plastic layer, and the heating resistance wire layer is communicated with an electrifying joint which is used for electrifying a power supply to heat the heating resistance wire layer;
the interlocking structure comprises a concave-convex alternative structure formed on the contact surface of the reinforced special-shaped plate layer with the hot melt plastic layer and the cladding plastic layer respectively, and a locking structure mutually embedded and interlocked with the concave-convex alternative structure on the reinforced special-shaped plate layer is formed on the contact surface of the hot melt plastic layer and the cladding plastic layer with the reinforced special-shaped plate layer respectively;
the locking structure and the concave-convex alternate structure are mutually embedded and interlocked, the concave-convex alternate structure is specifically a regular first groove and a first bulge which are formed by bending the reinforced special-shaped plate layer 4 along the length direction in a reciprocating equidistant manner, the locking structure is a second groove and a second bulge which are mutually clamped and interlocked with the first bulge of the first groove and are formed on the hot melt plastic layer and the cladding plastic layer, and the first groove and the second bulge, the first bulge and the second groove are mutually assembled and clamped.
2. The profiled sheet reinforced electrothermal melt strip of claim 1, wherein: the tensile strength of the reinforced special-shaped plate layer is greater than that of the hot-melt plastic layer and the cladding plastic layer.
3. The profiled sheet reinforced electrofusion tape of claim 1, wherein: the reinforced special-shaped plate layer is made of metal.
4. A profiled sheet reinforced electrofusion tape as claimed in claim 3, wherein: and an adhesive resin layer is respectively bonded between the reinforced special-shaped plate layer and the hot-melt plastic layer and between the reinforced special-shaped plate layer and the cladding plastic layer.
5. The profiled sheet reinforced electrothermal melt strip of claim 1, wherein: the reinforced special-shaped plate layer is formed by a plurality of mutually bonded special-shaped plates.
6. A profiled sheet reinforced electrothermal melt strip as claimed in any one of claims 1 to 5, wherein: the heating resistance wire layer is composed of heating resistance wires which are distributed in a reciprocating mode along the width direction of the hot-melt plastic layer and fixedly connected to the hot-melt plastic layer.
7. The profiled sheet reinforced electrothermal melt strip of claim 6, wherein: the heating resistance wire is embedded in the hot-melt plastic layer, the distance between one surface of the hot-melt plastic layer, which is in contact with the plastic pipeline, and the heating resistance wire is D, and D is not less than 0.5mm and not more than 2mm.
8. The profiled sheet reinforced electrothermal melt strip of claim 7, wherein: the heating resistance wire is single-stranded or multi-stranded.
9. The profiled sheet reinforced electrothermal melt strip of claim 1, wherein: the power connectors are respectively located on two sides of the width direction of the hot melt plastic layer and communicated with the heating resistance wire layer, and the power connectors are copper connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010425212.XA CN111578027B (en) | 2020-05-19 | 2020-05-19 | Electric hot melting area of abnormal shape panel reinforcing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010425212.XA CN111578027B (en) | 2020-05-19 | 2020-05-19 | Electric hot melting area of abnormal shape panel reinforcing |
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| CN111578027A CN111578027A (en) | 2020-08-25 |
| CN111578027B true CN111578027B (en) | 2023-01-10 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923495A (en) * | 2006-10-09 | 2007-03-07 | 哈尔滨斯达维机械制造有限公司 | Built-in type hot melt belt connection method of steel plastic composite tube with outer wall possessing vertical reinforcing rib |
| CN201434158Y (en) * | 2009-07-21 | 2010-03-31 | 范圣昌 | Steel-plastic composite pipe for low-pressure water transportation |
| CN102529089A (en) * | 2010-12-10 | 2012-07-04 | 华瀚科技有限公司 | Combined plastic pipe welding supporting frame |
| CN204136447U (en) * | 2014-08-21 | 2015-02-04 | 吉林工业职业技术学院 | A kind of plastic strap and large diameter plastic winding tube material |
| CN205446999U (en) * | 2016-02-25 | 2016-08-10 | 江苏润德管业有限公司 | Plastic steel wound pipe connection structure |
| CN205678290U (en) * | 2016-06-12 | 2016-11-09 | 河北汇东管道股份有限公司 | Weld seam hot melt adds fierce heat-insulating pipe fitting |
| CN207073644U (en) * | 2017-08-23 | 2018-03-06 | 天津第一市政公路工程有限公司 | A kind of steel band reinforced polyethylene spiral ripple pipe attachment structure |
| CN209909388U (en) * | 2019-05-08 | 2020-01-07 | 华创天元实业发展有限责任公司 | Reinforced electrothermal melting belt and connecting structure for connecting plastic pipeline |
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