CN212319128U - HDPE material welded structure based on electromagnetic induction heating - Google Patents
HDPE material welded structure based on electromagnetic induction heating Download PDFInfo
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- CN212319128U CN212319128U CN202020790535.4U CN202020790535U CN212319128U CN 212319128 U CN212319128 U CN 212319128U CN 202020790535 U CN202020790535 U CN 202020790535U CN 212319128 U CN212319128 U CN 212319128U
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Abstract
The utility model relates to a pipeline butt fusion technical field specifically indicates a HDPE material welded structure based on electromagnetic induction heating. Including the HDPE pipe fitting that waits to connect, its characterized in that: the utility model discloses simple structure, the mode of electromagnetism induction heating hot melt butt joint is very simple, and the pipe connection is very convenient, and the hot melt butt joint is effectual, has very big spreading value.
Description
Technical Field
The utility model relates to a pipeline butt fusion technical field specifically indicates a HDPE material welded structure based on electromagnetic induction heating.
Background
High Density Polyethylene (HDPE) has good heat resistance and cold resistance, and good chemical stability; the composite material also has higher rigidity and toughness and good mechanical strength; the dielectric property and the environmental stress cracking resistance are also better. In this century, a revolutionary progress has been made in the field of pipelines, namely "steel is replaced by plastic". HDPE pipes (or pipe fittings) are favored, are widely used in the fields of gas transportation, water supply, pollution discharge, agricultural irrigation, mine fine particle solid transportation, oil fields, chemical engineering, post and telecommunications and the like, and are generally applied to gas transportation in particular.
The HDPE pipe is melted at 190-240 deg.c (the melting temperature of different material grades is slightly different), and by means of this characteristic, the two melted parts of the pipe are contacted fully and maintained in proper pressure and correct connection position, so that after cooling, the two parts may be combined firmly. The HDPE connection mode usually adopts two modes of electric hot melting connection and hot melting butt joint.
The connection of HDPE pipes (or pipe fittings) at present has the following technical problems.
1. The hot melt butt joint method adopted at present is socket joint type, needs a large heating plate (larger than the outer diameter of the pipe), heats the heating plate firstly, then inserts the heating plate between the butt joint pipe, takes out the heating plate after the material is melted by the temperature transferred by the heating plate, and then butt joint the pipe. Most energy is lost, and the power requirement of the equipment is high; the working efficiency is not high, and the time is long; meanwhile, the manual operation content is large, and the quality is difficult to guarantee.
2. When the electric hot melting welding is adopted, a hot fuse (sheet) needs to be laid on the pipe wall, and a socket joint is arranged, so that the appearance is influenced, the power requirement of the equipment is higher, and the length of each heating welding is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem mentioned in the background art, and providing a HDPE material welded structure based on electromagnetic induction heating.
The technical scheme of the utility model is that: the utility model provides a HDPE material welded structure based on electromagnetic induction heating, includes the HDPE pipe fitting that waits to connect, its characterized in that: the hot-melting structure is adhered to the to-be-connected position of the pipe fitting, and the electromagnetic induction device is positioned outside the pipe fitting and used for carrying out induction heating on the hot-melting structure; the pipe fitting is provided with a connecting device which enables the to-be-connected part of the pipe fitting to be in close contact.
The connecting device is an annular or arc-shaped sheet structure adhered to the outer side of the pipe fitting and covers the to-be-connected part of the pipe fitting.
The hot melting structure is a long strip-shaped filamentous structure or a sheet-shaped structure which is arranged at the position where the pipe fittings are to be connected.
And the electromagnetic induction device is positioned on one side of the connecting device, which is far away from the pipe fitting, and is opposite to the hot melting structure.
The position of the pipe fitting to be connected is a straight connecting surface extending along the axial direction of the pipe fitting or an annular connecting surface vertical to the axial direction of the pipe fitting.
The utility model has the advantages that: 1. the utility model combines the hot melting structure, the electromagnetic induction device and the connecting device together, so that the HDPE pipe fitting structure can be subjected to quick hot melting butt joint, the technical problem existing in the prior art for the hot melting butt joint of the HDPE pipe fitting structure is solved, the efficiency of the hot melting butt joint of the HDPE pipe fitting structure is improved, and the butt joint difficulty is reduced;
2. the utility model fixes the pipe fittings to be connected through the connecting device by sticking the connecting device on the outer side of the pipe fittings to be connected, so that the pipe fittings to be connected are in close contact, and the pipe fitting connection success rate during hot melting construction is improved;
3. the hot melting structure of the utility model can be a long strip-shaped filamentous structure or a sheet-shaped structure, and can be adjusted according to the structure of the pipe fitting to be connected, so that the adaptability is good, and the pertinence is strong;
4. the electromagnetic induction device is arranged on one side of the connecting device far away from the pipe fitting, and the arrangement structure avoids the mutual interference influence between the connecting device and the electromagnetic induction device, so that the electromagnetic induction device is convenient to arrange;
5. the utility model discloses a pipe fitting is treated junction both can be along axial straight terminal surface and also can be along the cyclic annular of circumference and connect the face, promptly the utility model discloses both can be to the butt joint of two semi-circular pipelines, also can be to the butt joint of two pipeline axial terminal surfaces, the application is very extensive.
The utility model discloses simple structure, the mode of electromagnetic induction heating hot melt butt joint is very simple, and the pipe connection is very convenient, and the hot melt butt joint is effectual, has very big spreading value.
Drawings
FIG. 1: the utility model has a schematic welding structure (the pipe fitting to be connected is an axial straight connecting surface);
FIG. 2: the utility model has a schematic welding structure (the pipe fitting to be connected is a vertical axial annular connecting surface);
FIG. 3: the utility model is a schematic diagram of the hot-melting structure (the pipe fitting to be connected is an axial straight connecting surface);
FIG. 4: the utility model is a schematic diagram of the hot-melting structure (the pipe fitting to be connected is an axial straight connecting surface);
wherein: 1-a pipe fitting; 2-hot melt structure; 3-an electromagnetic induction device; 4-connecting means.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1-4, this embodiment is mainly used for carrying out the hot melt butt joint to pipe fitting 1 of HDPE material, and the connection of pipe fitting 1 is divided into two kinds of modes, as shown in fig. 1 and 3, for the butt joint of two semicircular pipelines, the pipe fitting 1 of this kind of butt joint is treated the junction and is connected the face for the straight of following 1 axial extension of pipe fitting, or as shown in fig. 2 and 4, for the butt joint of two pipeline axial terminal surfaces, the pipe fitting 1 of this kind of butt joint is treated the junction and is connected the face for the ring-shaped of vertical axis.
This embodiment treats the junction at pipe fitting 1 and pastes and have hot melt structure, treats the junction to different pipe fittings 1, can set up the hot melt structure of different structural modes, and hot melt structure 2 can be arranged and treat rectangular filiform structure or the lamellar structure of junction at pipe fitting 1, adopts different hot melt structure 2 to the connection condition of difference.
In order to keep the pipe fitting 1 in stable contact with the joint to be connected when the pipe fitting 1 is connected, in this embodiment, the pipe fitting 1 is provided with the connecting device 4, as shown in fig. 1-2, the connecting device 4 is a ring-shaped or arc-shaped sheet structure adhered to the outer side of the pipe fitting 1, the connecting device 4 covers the joint to be connected of the pipe fitting 1, and the connecting device 4 is actually an adhesive structure such as an adhesive tape for fixing the pipe fitting 1.
Heating hot melt structure 2 through electromagnetic induction device 3, electromagnetic induction device 3 is exactly the structure that contains electromagnetic induction coil in fact, produces alternating magnetic field through electromagnetic induction coil, and alternating magnetic field is to hot melt structure 2, and hot melt structure 2 generates heat the hot melt by oneself in alternating magnetic field to connecting pipe fitting 1 treats the junction. The electromagnetic induction device 3 is located on one side of the connecting device 4 far away from the pipe fitting 1 and is opposite to the hot melting structure 2.
During actual construction: firstly, the hot melting structure 2 is adhered and fixed at the position, to be connected, of the pipe fitting 1, then the pipe fitting 1 to be connected is combined together, the connecting device 4 is adhered to the outer side of the pipe fitting 1, the position, to be connected, of the pipe fitting 1 is in close contact, the electromagnetic induction device 3 is arranged on the outer side of the circumference of the pipe fitting 1, the hot melting structure 2 is heated through the electromagnetic induction device 3, the hot melting structure 2 is hot-melted, and the pipe fitting 1 is connected with the position, to be connected. The electromagnetic induction device 3 is adjusted according to the structure of the to-be-connected part of the pipe fitting 1, if the straight connection surface along the axial direction is adopted, the electromagnetic induction device 3 is designed into a long strip structure extending along the axial direction of the pipe fitting 1, and if the annular connection surface vertical to the axial direction is adopted, the electromagnetic induction device 3 is designed into an annular structure surrounding the to-be-connected part of the pipe fitting 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An HDPE material welded structure based on electromagnetic induction heating, includes HDPE pipe fitting (1) that waits to connect, its characterized in that: the hot-melting device is characterized by also comprising a hot-melting structure (2) adhered to the to-be-connected part of the pipe fitting (1) and an electromagnetic induction device (3) positioned outside the pipe fitting (1) and used for carrying out induction heating on the hot-melting structure (2); the pipe fitting (1) is provided with a connecting device (4) which enables the to-be-connected part of the pipe fitting (1) to be in close contact.
2. An electromagnetic induction heating-based welded structure of HDPE material as claimed in claim 1 wherein: the connecting device (4) is of an annular or arc-shaped sheet structure adhered to the outer side of the pipe fitting (1), and the connecting device (4) covers the to-be-connected part of the pipe fitting (1).
3. An electromagnetic induction heating-based welded structure of HDPE material as claimed in claim 1 wherein: the hot melting structure (2) is a long strip-shaped filamentous structure or a sheet-shaped structure arranged at the position to be connected of the pipe fitting (1).
4. An electromagnetic induction heating-based welded structure of HDPE material as claimed in claim 1 wherein: the electromagnetic induction device (3) is located on one side, away from the pipe fitting (1), of the connecting device (4) and is opposite to the hot melting structure (2).
5. An electromagnetic induction heating-based welded structure of HDPE material as claimed in claim 1 wherein: the to-be-connected position of the pipe fitting (1) is a straight connecting surface extending along the axial direction of the pipe fitting (1) or an annular connecting surface vertical to the axial direction of the pipe fitting (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020790535.4U CN212319128U (en) | 2020-05-13 | 2020-05-13 | HDPE material welded structure based on electromagnetic induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020790535.4U CN212319128U (en) | 2020-05-13 | 2020-05-13 | HDPE material welded structure based on electromagnetic induction heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212319128U true CN212319128U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020790535.4U Active CN212319128U (en) | 2020-05-13 | 2020-05-13 | HDPE material welded structure based on electromagnetic induction heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212319128U (en) |
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2020
- 2020-05-13 CN CN202020790535.4U patent/CN212319128U/en active Active
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