CN102518898B - Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline - Google Patents
Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline Download PDFInfo
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- CN102518898B CN102518898B CN201210006602.9A CN201210006602A CN102518898B CN 102518898 B CN102518898 B CN 102518898B CN 201210006602 A CN201210006602 A CN 201210006602A CN 102518898 B CN102518898 B CN 102518898B
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Abstract
The invention relates to a screen mesh or metal hole plate-reinforced plastic electric hot melting belt used for connecting a plastic pipeline. The screen mesh or metal hole plate-reinforced plastic electric hot melting belt comprises a thermoplastic plastic plate belt, wherein a conductive metal net is pressed and embedded on a plate surface at one side of the plastic plate belt; two ends of the metal net in a length direction are provided with outgoing wire electrodes connected with the metal net; and at least one layer of reinforced screen mesh or metal hole plate is compounded in the plastic plate belt. A connecting structure for connecting the plastic pipeline with the electric hot melting belt comprises a coating electric hot melting belt, filling solders and a lapping electric hot melting belt, wherein the coating electric hot melting belt is coated and fusion-welded on the outer wall surfaces of two connected pipe end connecting areas in a manner of two-end butting or is adhered and fusion-welded on the inner wall surfaces of two connected pipe end connecting areas, and a gap suitable for welding is arranged at an abutting joint; the filling solders are used for welding and filling the gap of the abutting joint of the coating electric hot melting belt; and the lapping electric hot melting belt is used for fusion-welding a surface area of the abutting joint of the coating electric hot melting belt. A connecting method for connecting the plastic pipeline is comprised in the invention.
Description
Technical field
The present invention relates to a kind of Electric thermal smelting belt, the molten band of plastic electric heating that especially a kind of silk screen or metal perforated plate strengthen.The invention still further relates to linkage structure and connecting means with this Electric thermal smelting belt connecting plastic pipeline.
Background technique
Existing common plastics Electric thermal smelting belt product based on known technology is to consist of the conductive metal mesh that on a plate face of thermoplastic strip and strip, pressing is inlayed, and it is widely used in the connection of major diameter thermoplastic drainage pipe with no pressure.Common plastics Electric thermal smelting belt is made by pure plastics, and its tensile strength is lower, can only meet the drainage pipe use of only bearing external pressure (without tensile stress load).During use, be coated in the outer wall surface that is connected pipe end, or be close in the inner wall surface that is connected pipe end, after energising heating, be welded together and form being connected of pipeline with tubing.Be illustrated in figure 1 the molten band of existing common pure plastic electric heating in use, two bridging arrangements that end adopts, there is a wedge-shaped crevice 3 in 2 of lap-joint's Electric thermal smelting belt 1 and tube walls, normally in gap, insert a wedge shape unit of plastic, energising during melting welding by unit of plastic and Electric thermal smelting belt in the lump melting welding filling wedge-shaped crevice.But can not Direct Contact Heating tube wall due to the conductive metal mesh on Electric thermal smelting belt herein, cause that welding quality is the poorest often herein, easily produce and leak.
At present, for delivery of the equal wall thickness thermoplastic pipeline of pressure medium, diameter, conventionally below 800 millimeters, generally all adopts the way of butt fusion welding to connect, and diameter is less than 400 millimeters also have and adopts injection moulding electrothermal smelting tube to connect.The existing injection molding pipe part production technology of connection for the pressure-bearing plastic pipe road of larger diameter still can not provide corresponding electrothermal smelting tube product, allowing to provides, owing to cost of production and the strange high market of price also cannot accepting, still adopt the way of butt fusion welding, exist special device extremely bulky complex, moving station difficulty, operation element amount is large, efficiency of construction is low, cost is high problem.For major diameter (more than 1200 millimeters) the structural walls compound pressure-bearing plastic pipe occurring in recent years, because wall structure is complicated, wall thickness just cannot adopt the hot melt duct butt-welding method of prior art to connect at all.
Summary of the invention
The object of the invention is to bear in order to solve major diameter the plastic pipe of internal pressure, particularly the connectivity problem of major diameter structural walls composite plastic pipe.
For achieving the above object, the invention provides molten linkage structure and the connecting means of being with and connecting major diameter pressure-bearing plastic pipe road with this Electric thermal smelting belt of plastic electric heating that a kind of silk screen or metal perforated plate strengthen.
The molten band of plastic electric heating that silk screen of the present invention or metal perforated plate strengthen comprises thermoplastic strip, on the side plate face of plastic board/belt, pressing is inlaid with conductive metal mesh, conductive metal mesh has at the two ends of length direction with conductive metal mesh joins and picks out lead electrode, is compounded with at least one deck and strengthens silk screen or metal perforated plate in plastic board/belt.
Adopt and strengthen silk screen or metal perforated plate reinforcement, make Electric thermal smelting belt there is identical intensity in length and width direction.
Further, the length of conductive metal mesh is identical with plastic board/belt, and lengthwise edge flushes with plastic board/belt, and width is slightly less than plastic board/belt, and on width direction, each edge equates far from the distance of plastic board/belt respective edges.
Further, the length that strengthens silk screen or metal perforated plate is identical with plastic board/belt, and lengthwise edge flushes with plastic board/belt, and width is slightly less than plastic board/belt, and on width direction, each edge equates far from the distance of plastic board/belt respective edges.
Further, the tensile strength that strengthens silk screen or metal perforated plate material must be the more than three times of plastic board/belt material tensile strength, and must be compounded in plastic board/belt with laminated form, and the material that strengthens silk screen can be metal or nonmetal.
The present invention comprises by the linkage structure that above-mentioned Electric thermal smelting belt connects major diameter pressure-bearing plastic pipe road: coated Electric thermal smelting belt, its mode with two ends docking is coated and is welding in the outer wall surface of two pipe end join domains that are connected or the inner wall surface that laminating is welding in two pipe end join domains that are connected, and joint arranges the gap of suitable welding; Filling scolder, the gap of the coated Electric thermal smelting belt joint of its welding filling; Overlap joint Electric thermal smelting belt, its melting welding is coated Electric thermal smelting belt joint surface area.
Further, the plastics of coated Electric thermal smelting belt, overlap joint Electric thermal smelting belt and filling scolder are with to be connected plastic pipe material identical.
Further, filling scolder is coated Electric thermal smelting belt, and the melting welding of connected pipe wall surface links into an integrated entity, and it is coated to make coated Electric thermal smelting belt form continuous sealing at joint.
Further, overlap joint Electric thermal smelting belt is identical with coated Electric thermal smelting belt width, and the former is no more than the latter's 1/4th length, both justified margins on width direction, and on length direction, the former is arranged symmetrically with centered by filling weld seam.
Further, the gap of coated Electric thermal smelting belt joint is arranged on the summit of tubing.
The present invention comprises with the connecting means that above-mentioned Electric thermal smelting belt connects major diameter pressure-bearing plastic pipe road: the mode that coated Electric thermal smelting belt is docked with two ends is coated and is welding in the outer wall surface of two pipe end join domains that are connected or the inner wall surface that laminating is welding in two pipe end join domains that are connected, and joint arranges the gap of suitable welding; Gap with the coated Electric thermal smelting belt joint of filling scolder welding filling; With the coated Electric thermal smelting belt joint surface area of overlap joint Electric thermal smelting belt melting welding.
Accompanying drawing explanation
Fig. 1 is the linkage structure schematic diagram of the Electric thermal smelting belt connecting plastic pipeline of prior art;
Fig. 2 is the molten sectional view of being with of plastic electric heating that silk screen of the present invention strengthens;
Fig. 3 is the schematic diagram of realizing linkage structure of the present invention;
Fig. 4 is another schematic diagram of realizing linkage structure of the present invention.
Embodiment
As shown in Figure 2, the plastic electric heating that silk screen of the present invention or metal perforated plate strengthen melts is with 4 to comprise thermoplastic strip 5, on the side plate face of plastic board/belt 5, pressing is inlaid with conductive metal mesh 6, conductive metal mesh 6 has at the two ends of length direction with conductive metal mesh 6 joins and picks out lead electrode 7, is compounded with at least one deck and strengthens silk screen or metal perforated plate 8 in plastic board/belt 5.The length of conductive metal mesh 6 is identical with the length of plastic board/belt 5, the edge of length direction conductive metal mesh 6 flushes with the edge of plastic board/belt 5, the width of conductive metal mesh 6 is slightly less than the width of plastic board/belt 5, and on width direction, each edge of conductive metal mesh 6 equates far from the corresponding Edge Distance of plastic board/belt 5.The plastics that like this, can prevent melting during hot melt flow out from the edge of plastic board/belt 5.The length that strengthens silk screen or metal perforated plate 8 is identical with the length of plastic board/belt 5, the edge that length direction strengthens silk screen or metal perforated plate 8 flushes with the edge of plastic board/belt 5, the width that strengthens silk screen or metal perforated plate 8 is slightly less than the width of plastic board/belt 5, and it is equal far from the corresponding Edge Distance of plastic board/belt 5 on width direction, to strengthen each edge of silk screen or metal perforated plate 8.The tensile strength that strengthens silk screen or metal perforated plate 8 materials must be the tensile strength of plastic board/belt 5 materials more than three times, and strengthens silk screen or metal perforated plate 8 must be compounded in plastic board/belt 5 with laminated form, and the material that strengthens silk screen can be metal or nonmetal.
Shown in Fig. 3,4, the linkage structure that above-mentioned Electric thermal smelting belt 4 of the present invention connects major diameter pressure-bearing plastic pipe road 10 comprises: coated Electric thermal smelting belt 11, its mode with two ends docking is coated and is welding in the outer wall surface of two pipe end join domains that are connected or the inner wall surface (situation that has only represented coated outer wall in figure) that laminating is welding in two pipe end join domains that are connected, and joint arranges the gap of suitable welding; The gap of coated Electric thermal smelting belt 11 joints of filling scolder 12 welding filling; 13 melting welding of overlap joint Electric thermal smelting belt are coated on coated Electric thermal smelting belt 11 joint surface areas.Coated Electric thermal smelting belt 11, overlap joint Electric thermal smelting belt 13 are that plastic electric heating that above-mentioned silk screen or metal perforated plate strengthen is molten is with 4.The plastics of coated Electric thermal smelting belt 11, overlap joint Electric thermal smelting belt 13 and filling scolder 12 are with to be connected plastic pipe 10 materials identical.Filling scolder 12 is coated Electric thermal smelting belt 11, and the melting welding of connected pipe wall surface links into an integrated entity, and it is coated to make coated Electric thermal smelting belt 11 form continuous sealing at joint.Overlap joint Electric thermal smelting belt 13 is identical with coated Electric thermal smelting belt 11 width, and the former is no more than the latter's 1/4th length, both justified margins on width direction, and on length direction, the former is arranged symmetrically with centered by filling weld seam.The gap of coated Electric thermal smelting belt joint is arranged on the summit of tubing, take the ground of being placed when tubing lays and determine as benchmark in the summit of tubing.
The connecting means that Electric thermal smelting belt 4 of the present invention connects major diameter pressure-bearing plastic pipe road 10 is as follows: the mode of first coated Electric thermal smelting belt 11 being docked with two ends is coated and is welding in the outer wall surface of two pipe end join domains that are connected or the inner wall surface (situation that has only represented coated outer wall in figure) that laminating is welding in two pipe end join domains that are connected, and joint arranges the gap of suitable welding; The gap of then clogging coated Electric thermal smelting belt 11 joints with 12 welding of filling scolder; Finally 13 melting welding of overlap joint Electric thermal smelting belt are coated on to coated Electric thermal smelting belt 11 joint surface areas.
When laminating is welding in the inner wall surface of two pipe end join domains that are connected, linkage structure and connecting means are similar with it.
Claims (9)
1. the molten band of plastic electric heating that the silk screen for connecting plastic pipeline or metal perforated plate strengthen, comprise thermoplastic strip, on the side plate face of plastic board/belt, pressing is inlaid with conductive metal mesh, conductive metal mesh has at the two ends of length direction with conductive metal mesh joins and picks out lead electrode, it is characterized in that: in plastic board/belt, be compounded with at least one deck and strengthen silk screen or metal perforated plate, the tensile strength that strengthens silk screen or metal perforated plate material must be that the tensile strength of plastic board/belt material is more than three times, and must be compounded in plastic board/belt with laminated form, the material that strengthens silk screen can be metal or nonmetal, described Electric thermal smelting belt is with the coated outer wall surface of two pipe end join domains that are connected or the inner wall surface that laminating is welding in two pipe end join domains that are connected of being welding in of mode of two ends docking.
2. Electric thermal smelting belt as claimed in claim 1, it is characterized in that: the length of conductive metal mesh is identical with plastic board/belt, lengthwise edge flushes with plastic board/belt, and width is less than plastic board/belt, and on width direction, each edge equates far from the distance of the respective edges of plastic board/belt.
3. Electric thermal smelting belt as claimed in claim 1, it is characterized in that: the length that strengthens silk screen or metal perforated plate is identical with plastic board/belt, lengthwise edge flushes with plastic board/belt, and width is less than plastic board/belt, and on width direction, each edge equates far from the distance of the respective edges of plastic board/belt.
4. the linkage structure with the Electric thermal smelting belt connecting plastic pipeline described in any one of claim 1-3, it is characterized in that: this linkage structure comprises: coated Electric thermal smelting belt, the coated outer wall surface of two pipe end join domains that are connected or the inner wall surface that laminating is welding in two pipe end join domains that are connected of being welding in of its mode with two ends docking, joint arranges welding gap; Filling scolder, the gap of the coated Electric thermal smelting belt joint of its welding filling; Overlap joint Electric thermal smelting belt, its melting welding is coated Electric thermal smelting belt joint surface area.
5. linkage structure as claimed in claim 4, is characterized in that: the plastics of coated Electric thermal smelting belt, overlap joint Electric thermal smelting belt and filling scolder are with to be connected plastic pipe material identical.
6. linkage structure as claimed in claim 5, it is characterized in that: filling scolder links into an integrated entity coated Electric thermal smelting belt and the melting welding of connected pipe wall surface, and it is coated to make coated Electric thermal smelting belt form continuous sealing at joint.
7. linkage structure as claimed in claim 4, it is characterized in that: overlap joint Electric thermal smelting belt is identical with coated Electric thermal smelting belt width, the former is no more than the latter's 1/4th length, both justified margins on width direction, and on length direction, the former is arranged symmetrically with centered by filling weld seam.
8. linkage structure as claimed in claim 4, is characterized in that: the gap of coated Electric thermal smelting belt joint is arranged on the summit of tubing.
9. use claim 1-for one kind
The connecting means of the Electric thermal smelting belt connecting plastic pipeline described in 3 any one, comprise: the coated outer wall surface of two pipe end join domains that are connected or the inner wall surface that laminating is welding in two pipe end join domains that are connected of being welding in of mode by coated Electric thermal smelting belt with two ends docking, joint arranges welding gap; Gap with the coated Electric thermal smelting belt joint of filling scolder welding filling; With the coated Electric thermal smelting belt joint surface area of overlap joint Electric thermal smelting belt melting welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006602.9A CN102518898B (en) | 2012-01-10 | 2012-01-10 | Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline |
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| CN201210006602.9A CN102518898B (en) | 2012-01-10 | 2012-01-10 | Reinforced electric hot melting belt and connecting structure and method thereof for connecting reinforced plastic electric hot melting belt with plastic pipeline |
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| CN102518898A CN102518898A (en) | 2012-06-27 |
| CN102518898B true CN102518898B (en) | 2014-05-07 |
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|---|---|---|---|---|
| CN103883822B (en) * | 2014-04-03 | 2016-09-07 | 哈尔滨斯达维管道科技有限公司 | Watertight reinforced electric hot melt strip |
| CN104806820B (en) * | 2015-04-27 | 2017-12-22 | 重庆金山洋生管道有限公司 | Bolt-type electric heating melting anchor ear |
| CN106151754A (en) * | 2016-07-15 | 2016-11-23 | 淮南市知产创新技术研究有限公司 | A kind of seal for pipe joints band |
| CN106641560B (en) * | 2016-12-16 | 2018-10-19 | 山东科技大学 | A kind of reinforced electric hot melt mending tape and preparation method thereof |
| CN109140099A (en) * | 2017-06-27 | 2019-01-04 | 瓮安县武江隆塑业有限责任公司 | A kind of electric melting connection part of smooth wall plastic pipe connection |
| CN108468903A (en) * | 2018-06-25 | 2018-08-31 | 安徽恒生科技发展集团有限公司 | A kind of device for repairing pipeline |
| CN111268471B (en) * | 2020-02-01 | 2021-04-23 | 湖北仁峰环保新材料有限公司 | Automatic winding device and method for PE double-wall corrugated pipe socket plug hot-melt belt |
| CN111578028A (en) * | 2020-05-19 | 2020-08-25 | 华创天元实业发展有限责任公司 | Electric hot melting belt for reinforcing steel plate |
| CN112303368A (en) * | 2020-10-20 | 2021-02-02 | 宏升塑胶（杭州）有限公司 | Plastic pipeline convenient to connect |
| CN114183616A (en) * | 2021-12-16 | 2022-03-15 | 华创天元实业发展有限责任公司 | Pipeline connecting device and method |
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| CN102518898A (en) | 2012-06-27 |
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Address after: 150090, room 36, No. 302, Songshan Road, Nangang District, Heilongjiang, Harbin Patentee after: HARBIN STARWAY PIPELINE TECHNOLOGY CO.,LTD. Address before: 150090, room 36, No. 302, Songshan Road, Nangang District, Heilongjiang, Harbin Patentee before: Harbin Starway Machinery Manufacturing Co.,Ltd. |
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Effective date of registration: 20210826 Address after: 436000 No. 58, Sihai Avenue, Huarong District, Ezhou City, Hubei Province Patentee after: HUBEI XINGXIN TECHNOLOGY Co.,Ltd. Address before: Room 302, No.36, Songshan Road, Nangang District, Harbin, Heilongjiang, 150090 Patentee before: HARBIN STARWAY PIPELINE TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Strengthening the connection structure and method of electric heating fusion tape and its connection to plastic pipes Effective date of registration: 20231116 Granted publication date: 20140507 Pledgee: Bank of China Limited Ezhou branch Pledgor: HUBEI XINGXIN TECHNOLOGY CO.,LTD. Registration number: Y2023980065912 |