CN204554227U - A kind of PE electric melting patch - Google Patents
A kind of PE electric melting patch Download PDFInfo
- Publication number
- CN204554227U CN204554227U CN201520262244.7U CN201520262244U CN204554227U CN 204554227 U CN204554227 U CN 204554227U CN 201520262244 U CN201520262244 U CN 201520262244U CN 204554227 U CN204554227 U CN 204554227U
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- China
- Prior art keywords
- patch
- heating wire
- tubing
- patch plate
- electric melting
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Abstract
The utility model discloses a kind of PE electric melting patch, for solving the large problem of amount of deformation after tubing condensation that existing electric melting patch causes whole outer pipe wall heat fused.The utility model comprises two semicircular PE patch plates, the two ends of PE patch plate all arrange connecting end, connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of heating wire is coated with the plastics identical with tubing material; The area of heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of heating wire are connected to attachment post, and attachment post runs through PE patch plate and extends to the outside of PE patch plate.The utility model has only carried out repair welding at breakage spot, can not cause the melted by heat of whole outer pipe wall, reduces the amount of deformation of tubing after repair welding, thus ensures the quality of tubing.
Description
Technical field
The utility model belongs to repairing pipe technical field, relates to a kind of PE electric melting patch specifically.
Background technique
Polyethylene (PE) pipeline welds (welding) property, (heat-melting butt-joint, electric smelting connection) easy to connect, splitting resistance, environmental protection, health, the advantage such as recyclable because it is unique and good, become the optimal selection of city gas transmission network, mesolow water pipe.
In actual use, plastic tube is identical with traditional metal tube, all there is the problem of repairing.When PE pipeline occurs that breakage is, need one of breakage section to cut out, change new pipeline.Such as, when natural gas line occurs damaged, owing to cutting out the pipeline of this breakage, therefore air feed total valve must first be closed, again ducted rock gas is bled off and more could renew pipeline, thus ducted rock gas is wasted, what also affect natural gas user uses gas simultaneously, and the engineering time is long, waste a large amount of manpower and materials, fix rear needs again gas testing supply gas.
Therefore, in order to solve the problem that prior art causes owing to will cut off damaged pipeline, electric melting patch is developed.Such as application number is that the utility model patent of 200920230315.X discloses a kind of PE pipeline electric melting patch, and be built-in with electric heating wire at the interlayer of electric melting patch, the two ends of electric heating wire are separately fixed on the attachment post on electric melting patch; The shape of electric melting patch adopts the tile matched with PE outer diameter tube; Two axial limits of electric melting patch are provided with the tightening nut of fixing fixing belt; Electric melting patch adopts the material identical with PE pipeline.
Application number be 200520057167.8 utility model patent disclose a kind of saddle electric-smelting patching piece for plastic pipe, comprise saddle polymer patch plate, the inwall saddle face of saddle polymer patch plate is provided with saddle electrical heater plater, and the outer side surface of saddle polymer patch plate is provided with the both positive and negative polarity copper electrode be connected with saddle electrical heater plater.Saddle polymer patch plate is provided with the overflow hole identical with saddle face inside it; Saddle electrical heater plater sticks in the resistance alloy in its spiral groove on surface by saddle liner and hot pressing, and the positive and negative copper electrode being connected to resistance alloy two ends is formed; Saddle face, the inner side symmetry of saddle polymer patch plate offers the through hole of two power supply sources connections; Saddle polymer patch plate outer side surface correspondence and two through hole position are respectively equipped with the mounting hole that electrode tip holder embeds; Positive and negative copper electrode is arranged in saddle polymer patch plate outer side surface mounting hole by electrode tip holder.
But, existing electric melting patch is all adopt overall surrounding type, the outer surface of whole PR tubing all can melted by heat under the effect of heating wire again, be out of shape after but the melted by heat of whole PE outer pipe wall easily causes tubing condensation, particularly for heavy caliber pipe, if the whole outer wall of tubing is all heated, condensed pipe deformations amount is larger.
Model utility content
The utility model is in order to the large problem of amount of deformation after the tubing condensation that solves existing electric melting patch and cause whole outer pipe wall heat fused, and a kind of PE electric melting patch is provided, repair welding can be carried out to the breakage of tubing, repair welding can not be carried out to the outer wall of whole tubing simultaneously, reduce the condensed amount of deformation of tubing, ensure that the quality of tubing after repair welding.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of PE electric melting patch, comprise two semicircular PE patch plates, the two ends of described PE patch plate all arrange connecting end, described connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, it is characterized in that, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of described heating wire is coated with the plastics identical with tubing material; The area of described heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of described heating wire are connected to attachment post, and described attachment post runs through PE patch plate and extends to the outside of PE patch plate.
Described heating wire is wound in heating wire winding up and down according to substantially horizontal.
Described heating wire adopts two heating wires arranged side by side to be wound in heating wire winding up and down by substantially horizontal.
Described heating wire is low carbon steel heating wire.
The periphery of described heating wire winding is provided with convex stupefied for what prevent the plastics of melting from flowing out.
Described convex stupefied low in middle high two ends, and fit with PE patch plate gradually in convex stupefied two ends.
Compared with prior art, the utility model has following beneficial effect:
PE electric melting patch of the present utility model, comprise two semicircular PE patch plates, the two ends of PE patch plate all arrange connecting end, connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of heating wire is coated with the plastics identical with tubing material; The area of heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of heating wire are connected to attachment post, and attachment post runs through PE patch plate and extends to the outside of PE patch plate.The utility model is in the process used, the position of heating wire is rotated the breakage spot to tubing, be connected with welding machine by attachment post, heating wire is heated and plastic material is melted, and PE patch plate and tubing is merged, and completes the repair welding of tubing, the utility model has just carried out repair welding at breakage spot, the melted by heat of whole outer pipe wall can not be caused, reduce the amount of deformation of tubing after repair welding, thus ensure the quality of tubing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the partial enlarged drawing at Fig. 1 A place;
Mark in figure: 1, PE patch plate, 2, connecting end, 3, heating wire, 4, attachment post, 5, convex stupefied.
Embodiment
Below in conjunction with embodiment, the utility model will be further described, and described embodiment is only the utility model part embodiment, is not whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection domain of the present utility model.
Composition graphs 1 and Fig. 2, PE electric melting patch of the present utility model, comprise two semicircular PE patch plates 1, the internal diameter of PE patch plate 1 is mutually adaptive with the external diameter of damaged tubing, the two ends of described PE patch plate 1 all arrange connecting end 2, described connecting end 2 is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates 1, when in use, two PE patch plate 1 head and the tail link together and are fixed on the outer wall of tubing, wherein the inner side of a PE patch plate 1 is provided with heating wire 3, the outside of described heating wire 3 is coated with the plastics identical with tubing material, the area of described heating wire 3 is greater than the area of tubing damaged part and is less than the area of PE patch plate 1, the two ends of described heating wire 3 are connected to attachment post 4, described attachment post 4 runs through PE patch plate 1 and extends to the outside of PE patch plate 1, for heating wire and the Placement of attachment post 4 and the structure of attachment post 4, those skilled in the art can understand and understand, and does not repeat them here.The utility model is in the process used, the position of heating wire is rotated the breakage spot to tubing, be connected with welding machine by attachment post, heating wire is heated and plastic material is melted, and PE patch plate and tubing is merged, and completes the repair welding of tubing, the utility model has just carried out repair welding at breakage spot, the melted by heat of whole outer pipe wall can not be caused, reduce the amount of deformation of tubing after repair welding, thus ensure the quality of tubing.
As a kind of preferred mode of the utility model, heating wire 3 is wound in heating wire winding up and down according to substantially horizontal.Due in the process of welding, heating wire 3 is by thermic plastic molting, if heating wire erects arrangement, after plastic molting, along the gap slide downward between heating wire, thus can cause plastics skewness, cause repair welding weak effect.Heating wire of the present utility model adopts substantially horizontal to be wound around up and down, can be reduced the dropping velocity of the plastics of melting by heating wire, improves the uniform property of molten plastic, thus improves the quality of repair welding.
Further, heating wire of the present utility model adopts two heating wires arranged side by side to be wound in heating wire winding up and down by substantially horizontal, due to two-wire winding arranged side by side, fewer than single line one times of the double-wound transformer number of same width, test proof can effectively reduce short circuit probability more than 80%, improves and is welded into power and welding useful area, reduce welding difficulty, be welded into power and can reach 99.9%, be especially more suitable for large and medium-sized pipe fitting and produce.
Preferably, heating wire 3 of the present utility model is low carbon steel heating wire, and the tensile strength of low carbon steel heating wire is at 250-330N, and not easy-rupturing in process of production, reduces production cost.Meanwhile, in the process of repair welding, under identical circumstances, reach welding requirements only needs welding machine to provide 23A electric current, and 1 mm
2copper heating wire single line winding but needs 40A heating current just can reach same heating effect, therefore uses low carbon steel heating wire can reduce the requirement of welding machine output current, reduces the production difficulty of welding machine to a certain extent.
As a kind of preferred mode of the utility model, the periphery of heating wire winding be provided with for prevent the plastics of melting from flowing out convex stupefied 5, flowed out by the convex stupefied plastics of melting that can prevent, allowing the plastics of melting all be condensate in needs the tubing periphery of repair welding, improves the quality of the utility model repair welding.
Preferably, described convex stupefied 5 is low in middle high two ends, and fit with PE patch plate 1 gradually in the convex two ends of stupefied 5.Convex stupefied, PE patch plate of the present utility model and connecting end can adopt one-time formed mode.
Embodiment one
The PE electric melting patch of the present embodiment, comprise two semicircular PE patch plates, the two ends of described PE patch plate all arrange connecting end, described connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of described heating wire is coated with the plastics identical with tubing material; The area of described heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of described heating wire are connected to attachment post, and described attachment post runs through PE patch plate and extends to the outside of PE patch plate.
Embodiment two
The PE electric melting patch of the present embodiment, comprise two semicircular PE patch plates, the two ends of described PE patch plate all arrange connecting end, described connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of described heating wire is coated with the plastics identical with tubing material; The area of described heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of described heating wire are connected to attachment post, and described attachment post runs through PE patch plate and extends to the outside of PE patch plate; Described heating wire is wound in heating wire winding up and down according to substantially horizontal.
Embodiment three
The PE electric melting patch of the present embodiment, comprise two semicircular PE patch plates, the two ends of described PE patch plate all arrange connecting end, described connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of described heating wire is coated with the plastics identical with tubing material; The area of described heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of described heating wire are connected to attachment post, and described attachment post runs through PE patch plate and extends to the outside of PE patch plate; Described heating wire is wound in heating wire winding up and down according to substantially horizontal; Described heating wire adopts two heating wires arranged side by side to be wound in heating wire winding up and down by substantially horizontal.
Embodiment four
On the basis of above-mentioned any embodiment, the heating wire of the present embodiment is low carbon steel heating wire.
Embodiment five
On the basis of above-mentioned any embodiment, the periphery of heating wire winding is provided with convex stupefied for what prevent the plastics of melting from flowing out.
Embodiment six
On the basis of embodiment five, convex stupefied low in middle high two ends, and fit with PE patch plate gradually in convex stupefied two ends.
Claims (6)
1. a PE electric melting patch, comprise two semicircular PE patch plates, the two ends of described PE patch plate all arrange connecting end, described connecting end is equipped with the connecting bolt for being linked together at the head and the tail two ends of two PE patch plates, it is characterized in that, wherein the inner side of a PE patch plate is provided with heating wire, and the outside of described heating wire is coated with the plastics identical with tubing material; The area of described heating wire is greater than the area of tubing damaged part and is less than the area of PE patch plate, and the two ends of described heating wire are connected to attachment post, and described attachment post runs through PE patch plate and extends to the outside of PE patch plate.
2. PE electric melting patch according to claim 1, it is characterized in that, described heating wire is wound in heating wire winding up and down according to substantially horizontal.
3. PE electric melting patch according to claim 2, is characterized in that, described heating wire adopts two heating wires arranged side by side to be wound in heating wire winding up and down by substantially horizontal.
4. PE electric melting patch according to claim 3, it is characterized in that, described heating wire is low carbon steel heating wire.
5. according to the arbitrary described PE electric melting patch of claim 1-4, it is characterized in that, the periphery of described heating wire winding is provided with convex stupefied for what prevent the plastics of melting from flowing out.
6. PE electric melting patch according to claim 5, is characterized in that, described convex stupefied low in middle high two ends, and fits with PE patch plate gradually in convex stupefied two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262244.7U CN204554227U (en) | 2015-04-28 | 2015-04-28 | A kind of PE electric melting patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262244.7U CN204554227U (en) | 2015-04-28 | 2015-04-28 | A kind of PE electric melting patch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554227U true CN204554227U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520262244.7U Expired - Fee Related CN204554227U (en) | 2015-04-28 | 2015-04-28 | A kind of PE electric melting patch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204554227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270009A (en) * | 2017-08-08 | 2017-10-20 | 浙江海祖管业有限公司 | A kind of PE pipelines saddle type electric melting connection piece and preparation method thereof |
-
2015
- 2015-04-28 CN CN201520262244.7U patent/CN204554227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270009A (en) * | 2017-08-08 | 2017-10-20 | 浙江海祖管业有限公司 | A kind of PE pipelines saddle type electric melting connection piece and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20170428 |