CN111578027A - Electric hot melting belt for reinforcing special-shaped plate - Google Patents
Electric hot melting belt for reinforcing special-shaped plate Download PDFInfo
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- CN111578027A CN111578027A CN202010425212.XA CN202010425212A CN111578027A CN 111578027 A CN111578027 A CN 111578027A CN 202010425212 A CN202010425212 A CN 202010425212A CN 111578027 A CN111578027 A CN 111578027A
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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
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a special-shaped plate reinforced electric melting belt, 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 value of the heating resistance wire layer is stable, the plastic pipeline is uniformly welded, and, 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 increasing of the caliber of the plastic pipeline, the existing electric hot melting belt connecting technology and hot plate butt welding can not meet the use requirement, the electric hot melting belt which is reinforced by adopting a steel mesh or a mesh grid plate appears in the market and is used for connecting the large-caliber plastic pipeline, 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 and have a long time, steel and plastic separation can occur, 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-stage welding, a mode of welding large and small pieces of electric hot melting belts step by step needs to be manually repair-weld butt joints and repair-weld lap joint electric hot melting, the connection 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 plates is urgently needed for connecting 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 with 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 cladding plastic layer with 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 formed by a plurality of mutually bonded special-shaped plates.
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 2 mm.
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 can connect the power supply with the power connector to heat the heating resistance wire layer by replacing the heating steel mesh with the heating resistance wire layer, so that the hot melt plastic layer is melted and the plastic pipeline is welded, because the resistance value of the heating resistance wire layer is stable, the pipeline is welded evenly, 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 integrate the reinforced special-shaped plate layer, the hot melt plastic layer and the cladding plastic layer, and the reinforced special-shaped plate layer can not move relative to the hot melt plastic layer and the cladding plastic layer, thereby improving the fixing effect between the reinforced mesh, the reinforced net layer is not easily separated from the hot-melt plastic layer and the cladding plastic layer, the steps of manual repair welding of butt joints and repair welding of lap joint electric hot-melt belts are omitted, the problems that the existing electric hot-melt belt connection process has more steps, the operation process is complex and the time consumption is long are solved, and the problem that the operation proficiency of an operator affects the quality of the butt joints during manual 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;
figure 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 a plastic layer 1, a plastic cladding layer 2, a bonding resin layer 3, a reinforced special-shaped plate layer 4, a heating resistance wire 5, a square clamping groove 6, a limiting bulge 7, a first bulge 8, a first groove 9 and a plastic pipe 10.
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
The embodiment discloses an electric melting belt reinforced by special-shaped plates, as shown in figures 1-8, comprising a hot-melting plastic layer 1, wherein the hot-melting plastic layer 1 is used for being in a hot-melting welding structure with the surface of a plastic pipeline 10, a reinforced special-shaped plate layer 4 is fixedly connected between the hot-melting plastic layer 1 and a cladding plastic layer 2, the reinforced special-shaped plate layer 4 is used for enhancing the axial strength and the bearing strength of the connection of the plastic pipeline 10, the reinforced special-shaped plate layer 4 is limited between the hot-melting plastic layer 1 and the cladding plastic layer 2, the reinforced special-shaped plate layer 4 forms an interlocking structure with the hot-melting plastic layer 1 and the cladding plastic layer 2 respectively, the reinforced special-shaped plate layer 4 is mutually embedded and interlocked with the hot-melting plastic layer 1 and the cladding plastic layer 2 to form a whole, a heating resistance wire layer is fixedly connected on the hot-melting plastic layer 1, the heating resistance wire layer is communicated with an electric connector, the hot-melt plastic layer 1 is melted and the plastic pipeline 10 is welded, in the embodiment, the heating steel mesh is replaced by the heating resistance wire layer, a power supply can be communicated with an electric connector, the heating resistance wire layer is heated, the hot-melt plastic layer 1 is melted and the plastic pipeline 10 is welded, because the resistance value of the heating resistance wire layer is stable, the pipeline welding is uniform, the reinforced special-shaped plate layer 4 is fixedly connected between the hot-melt plastic layer 1 and the cladding plastic layer 2, the reinforced special-shaped plate layer 4 is used for enhancing the axial strength and the bearing strength of the connection of the plastic pipeline 10, the reinforced special-shaped plate layer 4 is limited between the hot-melt plastic layer 1 and the cladding plastic layer 2, the reinforced special-shaped plate layer 4 forms an interlocking structure with the hot-melt plastic layer 1 and the cladding plastic layer 2 respectively, the interlocking structure can form the reinforced special-shaped plate layer 4, the hot-melt, 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 joining process step, the operation process is loaded down with trivial details, the longer problem of time spent, the problem of the operation proficiency of operator causes the influence to the manual repair welding butt joint seam quality has been solved simultaneously.
The interlocking structure in the embodiment is characterized in that the interlocking structure comprises a concave-convex alternative structure formed on two opposite surfaces of a reinforced special-shaped plate layer 4, a locking structure is formed on a hot-melt plastic layer 1 and a cladding plastic layer 2 and on one surface of the two surfaces which is respectively contacted with the reinforced special-shaped plate layer 4, the locking structure and the concave-convex alternative structure are mutually embedded and interlocked, the concave-convex alternative structure is specifically a regular first groove 9 and a first bulge 8 which are formed by bending the reinforced special-shaped plate layer 4 in a reciprocating and equidistant manner along the length direction of the reinforced special-shaped plate layer, the locking structure is a second groove and a second bulge which are mutually clamped and interlocked with the first groove 9 and the first bulge 8 and are formed on the hot-melt plastic layer 1 and the cladding plastic layer 2, the first groove 9 and the second bulge, the first bulge 8 and the second groove are mutually assembled and clamped, so that the reinforced special-shaped plate layer 4 is respectively fixedly connected with the, and reinforcing abnormal shape sheet material layer 4 can not remove for hot melt plastic layer 1 and cladding plastic layer 2, has improved the fixed effect between reinforcing abnormal shape sheet material layer 4 and hot melt plastic layer 1 and the cladding plastic layer 2, is difficult to make reinforcing abnormal shape sheet material layer 4 and hot melt plastic layer 1 and cladding plastic layer 2 separation.
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; when the reinforcing profiled sheet layer 4 is non-metallic, the adhesive resin layer 3 may be eliminated.
The heating resistance wire layer in the embodiment has a specific structure that the heating resistance wire layer is composed of heating resistance wires 5, the heating resistance wires 5 are distributed along the width direction of the hot-melt plastic layer 1 in a reciprocating manner and are fixedly connected to the hot-melt plastic layer 1, the heating resistance wires 5 are embedded in the hot-melt plastic layer 1, the distance between the surface of the hot-melt plastic layer 1, which is in contact with the plastic pipeline 10, and the heating resistance wires 5 is D, D is not less than 0.5mm and not more than 2mm, because the heating resistance wires 5 are embedded in the hot-melt plastic layer 1, dust can be prevented from being adhered to the heating resistance wires 5, and when an oxidation layer on the surface of the hot-melt plastic layer 1 is polished, the heating resistance wires 5 cannot be damaged, the polishing of the oxidation layer on the hot-melt plastic layer 1 is convenient, after the plastic pipeline 10 is welded, a plastic protection layer is formed between the heating resistance wires 5, further protected heating resistor silk 5, through the lapped cladding mode of monolithic and the reciprocating type wiring mode of heating resistor silk 5, improved the stability of welding resistance, removed the step of artifical repair welding butt joint and repair welding overlap joint electric heat melting area, improved connection efficiency and welding quality, heating resistor silk 5 is the monospar or is the stranded, the ohmic contact is located the both sides along 1 width direction of hot melt plastic layer respectively to the ohmic contact sets up on heating resistor silk layer.
As a preferred structure, two power connectors are respectively and fixedly connected to two sides of the heating resistance wire layer, the specific connection mode is bonding, the power supply is powered on, the power 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 direction is the axial power on of the plastic pipeline 10, even if the heating resistance wire 5 at the lap joint is in contact, short circuit and other problems which affect welding cannot occur.
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.
In this embodiment, the interlocking structure in embodiment 1 is changed to a structure shown in fig. 5 to 7, the interlocking structure includes a concave-convex alternating structure formed on two opposite surfaces of the reinforced special-shaped sheet material layer 4, a locking structure is formed on the hot-melt plastic layer 1 and the cladding plastic layer 2 and on one surface of the two surfaces contacting with the reinforced special-shaped sheet material layer 4, the locking structure and the concave-convex alternating structure are mutually embedded and interlocked, the concave-convex alternating structure is specifically a structure in which a plurality of square clamping grooves 6 are uniformly formed at intervals on one surface of the reinforced special-shaped sheet material layer 4, a limiting protrusion 7 is formed on the other surface at a position corresponding to the square clamping grooves 6, the locking mechanism includes a structure in which the hot-melt plastic layer 1 and the cladding plastic layer 2 are mutually clamped and connected, so that the reinforced special-shaped sheet material layer 4 is fixedly connected with the hot-melt plastic layer 1 and the cladding plastic layer 2 into a whole, and the reinforced special-shaped sheet, the fixing effect between the reinforced special-shaped plate layer 4 and the hot-melt plastic layer 1 and the cladding plastic layer 2 is improved, and the reinforced special-shaped plate layer 4 is not easy to separate from the hot-melt plastic layer 1 and the cladding 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 (10)
1. The utility model provides an electric hot melt area of abnormal shape panel reinforcing which characterized in that: 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.
2. The profiled sheet reinforced electrothermal melt strip of claim 1, wherein: the interlocking structure comprises a concave-convex alternate structure formed on the contact surface of the reinforced special-shaped plate layer and the hot-melt plastic layer and the contact surface of the cladding plastic layer respectively, and the hot-melt plastic layer and the cladding plastic layer are formed on the contact surface of the reinforced special-shaped plate layer and the contact surface of the reinforced special-shaped plate layer respectively with a locking structure mutually embedded and interlocked with the concave-convex alternate structure on the reinforced special-shaped plate layer.
3. 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.
4. A profiled sheet reinforced electrothermal melt strip as claimed in claim 3, wherein: the reinforced special-shaped plate layer is made of metal.
5. The profiled sheet reinforced electrothermal melt strip of claim 4, 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.
6. 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.
7. A profiled sheet reinforced electrothermal melt strip as claimed in any one of claims 1 to 6, 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.
8. The profiled sheet reinforced electrothermal melt strip of claim 7, 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 2 mm.
9. The profiled sheet reinforced electrothermal melt strip of claim 8, wherein: the heating resistance wire is single-stranded or multi-stranded.
10. The profiled sheet reinforced electrothermal melt strip of claim 1, wherein: the power connectors 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 connectors are copper connectors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN202010425212.XA CN111578027B (en) | 2020-05-19 | 2020-05-19 | Electric hot melting area of abnormal shape panel reinforcing |
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| CN111578027A true CN111578027A (en) | 2020-08-25 |
| CN111578027B CN111578027B (en) | 2023-01-10 |
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| 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 |
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| 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 |
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