CN114453832B - Processing method of quick-mounting fire-fighting pipeline whole pipe body self-contained pipe fitting - Google Patents
Processing method of quick-mounting fire-fighting pipeline whole pipe body self-contained pipe fitting Download PDFInfo
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- CN114453832B CN114453832B CN202111101168.8A CN202111101168A CN114453832B CN 114453832 B CN114453832 B CN 114453832B CN 202111101168 A CN202111101168 A CN 202111101168A CN 114453832 B CN114453832 B CN 114453832B
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- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000009417 prefabrication Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 27
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 15
- 239000010962 carbon steel Substances 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 17
- 230000007547 defect Effects 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a processing method of a pipe fitting of a quick-mounting fire-fighting pipeline whole pipe body, which belongs to the technical field of fire-fighting pipe fitting processing and comprises a pipe end prefabrication link, a pipe fitting prefabrication link, a steel pipe wall perforated ball-drawing or spin-drawing tee link and a pipe expanding and shrinking pipe processing link. The invention utilizes a high-frequency heating process to finish pipe end grooving, tapping or thread rolling, and the tee joint is drawn by a perforated ball or a rotary tee joint, so that the aim of not damaging the pipe wall and a galvanized layer is fulfilled, the pipe body is complete, and the strength is consistent with that before manufacturing; the seamless steel pipe is adopted, the pipe end after heating can be thickened to form a prefabricated port threading or a groove, the gap adjustment means are adopted by the pipe prefabrication link, the pipe expanding and shrinking pipe processing link and the pipe wall perforating ball drawing or rotary drawing tee link, and the batch factory prefabrication of the spray pipe can be realized by combining the fire branch pipe gap adjustment standardization technology, and the whole pipe at any position of the pipe section is provided with the tee; the prefabricated inner and outer wires are directly butted, steel materials are reduced, labor and leakage points are reduced, rapid construction is facilitated, and labor installation cost is greatly saved.
Description
Technical Field
The invention relates to the technical field of fire-fighting pipe fitting processing, in particular to a processing method of a pipe fitting self-contained pipe fitting of a whole pipe body of a quick-mounting fire-fighting pipeline.
Background
Traditional fire control pipe adopts screw thread or slot mode to connect, and shower head position solves flow, velocity of flow, outlet pressure scheduling problem through the reducing, arranges the shower nozzle of different intervals and different pipe diameters according to the rule of eliminating and building beam column structure. However, the conventional fire tube processing technology has the following problems:
(1) The processing of the twisted wire or the pressing groove usually requires a special machine to form a notch or thread with the depth of 1.5mm on the inner wall or the outer wall of the end of the pipeline, the processed pipeline damages the thickness of the pipe wall of the pipe end by 1.5mm, the national standard thickness comprehensively considers the strength of deducting the influence of the processing damaged pipe end, the strength of fire fighting water pressure can be met, the wire tooth or the pressing groove crack of the pipe wall damages the anti-corrosion layer, and especially the pressing groove crack is more easy to corrode and break on the galvanized layer damaged on the inner wall of the pipe;
(2) Because the pipe spacing is nonstandard, the required pipeline needs to be subjected to field blanking and processing, the pipeline cannot be manufactured mechanically in a factory, the quality standard cannot be improved or unified, and small processing machines and technicians have the defects of oblique wire, tooth breakage, internal crack or shallow groove due to deep groove, no galvanized layer for corrosion prevention of the sleeve wire and the pipe end of the pressing groove, insufficient thickness of the pipe and the like;
(3) The technical defects of the twisting and groove pressing processes are that: the working procedures are multiple, the labor is more, the safety is not high, the machinery is heavy, the expertise of the craftsman is strong, and the quality of the pipeline processing depends on the craftsman level;
(4) The clamping and pressing technology has no damage to the pipe wall, the thickness of the reducible pipe can reach national standard, and the conventional clamping and pressing pipeline accords with carbon neutralization, such as CJ/T433-201, national standard carbon steel clamping and pressing type pipe fittings GB/T27891-2011 and the like, but the clamping and pressing depth is insufficient, so that the clamping and pressing is not firm and is not suitable for fire fighting.
Therefore, a processing method for installing the whole pipe body of the fire-fighting pipeline and self-carrying pipe fittings is needed to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a processing method of a quick-mounting fire-fighting pipeline whole pipe body self-contained pipe fitting, which is convenient for batch factory prefabrication and quick construction, and greatly saves the manual installation cost, without damaging the thickness of a pipeline and changing the traditional threading or groove connection process in the pipeline processing process.
In order to solve the technical problems, the technical scheme of the invention is as follows: the processing method of the whole pipe body of the quick-mounting fire-fighting pipeline with the pipe fitting comprises a pipe end prefabrication link, a pipe fitting prefabrication link, a steel pipe wall perforated ball-pull or spin-pull tee link and an expanded pipe shrinkage processing link, wherein the pipe end prefabrication link comprises: the pipe end is heated rapidly by a high-frequency heating device, and meanwhile, an inner supporting pipe is inserted into the pipe to ensure that the inner wall of the pipe is not deformed, and the port of the mechanically-shaped extruded pipe is a convex notch or a concave notch; or the machine-made shaping extrusion pipe port is a high-convex groove edge or an outward flanging, and a screw hole is formed to replace a flange; or a high-frequency heating device is used, and a seamless steel pipe is used for thickening the prefabricated groove and the screw thread port at the pipe end; the pipe fitting prefabrication link includes: a. cutting a large number 1 steel pipe according to the size of the C-shaped rubber ring, cutting the steel pipe into steel rings, cutting the steel rings into two halves, and extruding a machine-made carbon steel clamp piece according to the clamp shape after high-frequency rapid heating; b. punching small holes on the steel wall of the machined carbon steel clamping piece, ball-pulling or spin-pulling DN25-65 three through holes or four through holes, cutting flat at a pull-out port, and welding a three-way thickened sleeve by high-frequency resistance welding; the drawing port is not cut flat, the high-frequency quick heating is used for connecting the tee joint thickened sleeve made of the same material to achieve the consistent melting point to finish sleeve welding, the sleeve is prefabricated according to the standard of the notch or screw thread of the iron casting, and the carbon steel groove piece or the screw fastener of the machine-made integral tee joint or the four-way joint is finished; the steel pipe wall perforated ball-pulling or spin-pulling three-way link comprises: the method comprises the steps of utilizing laser to open holes on a pipe wall to machine 6m whole pipe, carrying out tee joint or four-way, and adopting a machine-made carbon steel tee joint manufacturing process of a pipe fitting prefabrication link to finish machine-made integral whole pipe with continuous pipe without fittings, and carrying out groove or screw thread connection of the tee joint or the four-way; the processing link of the pipe expanding and shrinking pipe comprises the following steps: the expanding inner wire replaces a direct pipe fitting, the contracting inner wire replaces a reducing large and small head pipe fitting, the direct connection of the pipe and the pipe can be completed, and screw threads and leakage points are reduced.
Preferably, the pipe-end prefabrication step further comprises: and (3) keeping the inner wall of the pipe with the convex or concave clamping groove opening unchanged, extruding and everting the pipe end into a perforated flange, and thickening the pipe end.
Preferably, the thickness of the seamless steel pipe is 1.5mm or 2.0mm.
Preferably, the expansion pipe and contraction pipe processing link is replaced by a direct pipe fitting with a large end and a small end.
Preferably, the three-way link of ball drawing or spin drawing of the steel pipe wall opening further comprises the processing of the whole pipe with a three-way pipe without breaking the pipe and threading, and the replacement of the three-way pipe fitting is omitted.
Compared with the prior art, the invention has the beneficial effects that:
1. In the pipe end prefabrication link: the high-frequency heating process is utilized to finish the pressing groove, wire pressing or wire rolling at the pipe end, so that the aim of not damaging the pipe wall and the galvanized layer is fulfilled, the pipe body is complete, and the strength is consistent with that before manufacturing; therefore, a steel pipe with the thickness of 1.5mm or 2.0mm is adopted to meet the national standard strength requirement, and the pipe end can be thickened after heating to meet the requirement that the pipe end is prefabricated according to the national standard joint;
2. In the pipe fitting prefabrication link: the pipe end of the seamless carbon steel pipe is thickened by utilizing a high-frequency heating process to reach the standards of the notch and screw threads of the cast iron groove piece, replace the cast iron groove piece and the screw thread piece, cancel replacing the screw thread pipe fitting, and can be 100% free of sand holes and leakage points, so that the weight cost of the pipe fitting is reduced; moreover, the carbon steel clamp piece which is subjected to high-frequency rapid heating and is subjected to clamp appearance mechanism can achieve completely consistent precision, and the reliability of installation quality can be ensured;
3. In the processing link of expanding and contracting pipes: (1) The whole pipe connection can replace direct large and small head pipe fittings by pipe end shrinkage pipe, two pipe ends internal and external wire connection and clamp to reduce leakage points, so that the spray installation of the whole pipe of the branch pipe can be completed by using a groove tee joint or the whole pipe body with the tee joint; (2) Aiming at DN80-DN150 whole pipe, adopting shrinking pipe and inner and outer wires of pipe end, connecting different pipe diameters integrally, reducing leakage point, increasing connection reliability, eliminating direct and clamping pipe fitting and quick installation, reducing working procedure and size head by shrinking pipe technique at the end branch pipe of nozzle connection; (3) By means of the patent with the uniform spacing of the declared spray branch pipes, the spacing of the whole pipe with the tee joint is randomly adjusted, a local large pipe is combined to replace a small pipe, and the spacing is adjusted by combining DN25 and DN40, so that 6m whole pipe zero waste material is achieved, the tee joint is continuously prefabricated, the industrial prefabrication of the pipe end and the whole pipe with the tee joint can be achieved, the declared whole pipe assembly throttling tee joint patent is included, the process is convenient and flexible, threading, pipe fittings and leakage points are reduced, and the labor is reduced by 90%; (4) Because the pipe spacing is more flexible to adjust, the arrangement of all spray branch pipes according to the trend of a 'span beam bracket' and the industrialized prefabricated support and hanger finished product can be realized.
4. Ball-pulling or rotary-pulling three-way links are arranged on the pipe wall: the branch pipe is installed without reducing and cutting off the whole pipe, the laser opening does not damage the pipe wall, the thickness of DN25-DN50 is 1.5mm, the thickness of DN65-100 is 2.0mm according to the pipe wall thickness adopted by the clamping fire-fighting pipeline, and the pipe end equal-diameter butt joint clamp or wire joint is completed by means of the pipe end thickening, groove pressing and rolling technology of high-frequency heating without damaging the pipe wall. However, other types of pipe fittings except the elbow are not needed, namely, the traditional fire-fighting clamp, the screw thread process and the fire-fighting design specification are met, the method is faster than the De series clamping and pressing technology, the labor and the materials are saved, namely, the pipe wall is not damaged by clamping and pressing to reduce the thickness of the pipe, the pipe fitting using process is changed, the installation manufacturing process is changed, the pipe end thickening can use the traditional mature groove and the screw thread mode, the effects of saving 70% of clamping and pressing and saving more than 90% of screw thread are achieved, the integral spraying is realized by using only a groove tee joint and directly, the traditional pipe fitting is eliminated, the joint leakage point is reduced by 70%, and the pipe fitting cost is far lower than the comprehensive advantages of an iron casting and the like. The process replaces a screw tee, and can open holes at any part of the pipe section. The pipe end is combined with high-frequency heating for thickening, and the traditional pressing groove and screw thread manufacturing and connecting process can be adopted. And the inner wire and the outer wire of the combined shrinkage tube are connected. And calculating the optimal interval configuration by combining the standard nozzle interval of 2.4m-3.6m and the mathematical theory. The spray branch pipe can be prefabricated in batch and factorization by DN50-DN32 by integrating several technical applications, and the distance of 2.4m-3.6m of the end DN25 is reserved as the interval adjustment. Tee joints and prefabricated inner and outer wires are arranged at any position of the pipe section and are directly connected, so that labor and leakage points of steel are reduced.
In summary, the invention can adopt container type water or fan mechanical 'mobile' processing factories to replace original labor field production, for example 'container mobile factories' are to install a transmission belt of an air pipe production machine in a 9-meter container through numerical control programming, realize that five-line air pipe processing machines without the transmission belt can finish all processes of air pipe whole pipe production including flange, seaming, screw connection and the like on site by mechanical hoisting of the whole pipe machine, ensure quality, reduce loss, realize mechanical unmanned construction and improve efficacy.
Detailed Description
The following describes the invention in more detail. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
A processing method of a whole pipe body with a pipe fitting of a quick-mounting fire-fighting pipeline comprises a pipe end prefabricating link, a pipe fitting prefabricating link, a steel pipe wall perforating ball-drawing or rotary-drawing three-way link and a pipe expanding and shrinking processing link,
The pipe end prefabrication link of the embodiment utilizes a high-frequency heating device to rapidly heat the pipe end, and simultaneously inserts an inner supporting pipe into the pipe to ensure that the inner wall of the pipe is not deformed, and a machine-made shaping extrusion pipe port is a convex notch or a concave notch; the pipeline end is treated through a high-frequency heating process, the defect of the traditional process can be effectively avoided, the fire control standard can be met according to the thickness of the clamping pipe without damaging the pipe wall, and the standard of the protruding type or the deep type groove width of the pipe end is unified, so that the compactness, the precision and the installation quality are greatly enhanced compared with those of craftsmen.
Prefabricating a pipe fitting: the specific operation is as follows: a. cutting a large number 1 steel pipe according to the size of the C-shaped rubber ring, cutting the steel pipe into steel rings, cutting the steel rings into two halves, and extruding a machine-made carbon steel clamp piece according to the clamp shape after high-frequency rapid heating; b. punching small holes on the steel wall of the machined carbon steel clamping piece, ball-pulling or spin-pulling DN25-65 three through holes or four through holes, cutting flat at a pull-out port, and welding a three-way thickened sleeve by high-frequency resistance welding; the drawing port is not cut flat, the high-frequency quick heating is used for connecting the tee joint thickened sleeve made of the same material to achieve the consistent melting point to finish sleeve welding, the sleeve is prefabricated according to the standard of the notch or screw thread of the iron casting, and the carbon steel groove piece or the screw fastener of the machine-made integral tee joint or the four-way joint is finished;
The steel pipe wall perforated ball-pulling or rotary-pulling three-way link comprises: the method comprises the steps of utilizing laser to open holes on a pipe wall to machine 6m whole pipe, carrying out tee joint or four-way, and adopting a machine-made carbon steel tee joint manufacturing process of pipe fitting prefabrication links to finish machine-made integral whole pipe without fittings, carrying out groove or screw thread connection of the tee joint or the four-way; in the link, the whole pipe is provided with a tee joint, the pipe is continuously processed without threading, and the replacement of the tee joint pipe fitting is omitted; through the operation, 100% of sand holes can be avoided, and the weight cost of the traditional cast iron is reduced.
The processing link of the pipe expanding and shrinking pipe comprises the following steps: the expanding inner wire replaces the direct pipe fitting, the contracting inner wire replaces the reducing large and small head pipe fitting, the direct connection between the pipe and the pipe can be completed, the screw threads and the leakage points are reduced, and the direct and large head pipe fitting is replaced in the link.
The pipe end expanding or shrinking pipe can connect whole pipes with different pipe diameters into a whole, the two pipe ends are connected inside or outside through a twisted wire fast and directly, the pipe fitting is replaced to reduce leakage points and procedures and the pipe fitting, a tee joint is arranged at a pipe section nozzle part fast and reliably, the tail end DN25 is provided with an elbow, DN32 and DN50 are as whole as possible, and the name of the method is as follows: the assembly type construction method of the fire-fighting pipeline has the following publication number: CN111046483A is combined with a large pipe to replace a small pipe locally, such as DN50 to replace DN40 locally, DN40 to replace DN32, and the space is combined with reasonable adjustment in the whole pipe, so that 6m whole pipe zero waste continuous pipe can be met, industrial prefabrication of the pipe end is met, any spray head space is met, three-way convenient and flexible working procedures are arranged at the standard spray head position in the embodiment, threading is reduced, threaded pipe fittings are cancelled, leakage points are reduced, and labor is reduced by 90%. Meanwhile, because the pipe spacing is more flexible to adjust, the arrangement of all spray branch pipes according to the trend of a 'span beam bracket' and the industrial prefabrication of finished products of the support and hanger can be realized.
Example 2
The processing method of the quick-mounting fire-fighting pipeline whole pipe body with a pipe fitting comprises a pipe end prefabrication link, a pipe fitting prefabrication link, a steel pipe wall perforated ball pull or spin-pull tee joint link and an expansion pipe shrinkage pipe processing link, wherein the pipe fitting prefabrication link, the steel pipe wall perforated ball pull or spin-pull tee joint link and the expansion pipe shrinkage pipe processing link of the embodiment are consistent with embodiment 1, and the difference from embodiment 1 is that the pipe end prefabrication link of the embodiment is: the high-frequency heating device is utilized, a prefabricated groove and a screw thread port are thickened at the pipe end by using a seamless steel pipe with the thickness of 1.5mm or 2.0mm, so that standard unified notch and screw thread without damaging the pipe wall thickness are achieved, and the strength of the pipe body is consistent with that before manufacturing.
Example 3
Unlike examples 1 and 2, the pipe end processing process of this example was different, and the pipe end of this example was specifically manufactured as follows: the machine-made shaping extrusion pipe port is a high-protruding groove edge or an outward flanging, and a screw hole is formed to replace a flange; the process comprises the working procedures of extruding and turning the pipe end outwards into a perforated flange, and thickening the pipe end according to the requirement, wherein the inner wall of the pipe with the convex or concave clamping groove opening is kept unchanged. The pipe end structure is particularly suitable for air conditioner water pipes, and has the following advantages: the defects of a plurality of welding procedures, poor technique and heavy labor are overcome. The remaining links are identical to those of example 1 and example 2.
The embodiments of the present invention have been described in detail above, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention. Finally, it should be noted that the details not described in the specification belong to the prior art known to those skilled in the art, and the person skilled in the art can implement the present invention without performing any inventive work, so that the details are not repeated here.
Claims (2)
1. A processing method of a whole pipe body with a pipe fitting of a quick-mounting fire-fighting pipeline comprises a pipe end prefabricating link, a pipe fitting prefabricating link, a steel pipe wall perforating ball-drawing or rotary-drawing tee link and a pipe expanding and shrinking processing link, and is characterized in that,
The pipe end prefabrication link comprises the following steps: the pipe end is heated rapidly by a high-frequency heating device, and meanwhile, an inner supporting pipe is inserted into the pipe to ensure that the inner wall of the pipe is not deformed;
the machine-made shaping extrusion pipe port is a convex notch, a concave notch, a high convex groove edge or a turnup opening screw hole to replace a flange;
The concrete links of the turnup screw hole replacing the flange are as follows: keeping the inner wall of the convex or concave clamping notch unchanged, extruding and turning the pipe end outwards to form an open-pore flange, and thickening the pipe end;
In the machining link that the machine-made shaping extrusion pipe port is a convex notch, a concave notch or a high-convex groove, a high-frequency heating device is utilized, and a seamless steel pipe is used for thickening a prefabricated groove and a screw thread port at the pipe end; the thickness of the seamless steel tube is 1.5mm or 2.0mm;
The pipe fitting prefabrication link includes: a. cutting a large number 1 steel pipe according to the size of the C-shaped rubber ring, cutting the steel pipe into steel rings, cutting the steel rings into two halves, and extruding a machine-made carbon steel clamp piece according to the clamp shape after high-frequency rapid heating; b. punching small holes on the steel wall of the machined carbon steel clamping piece, ball-pulling or spin-pulling DN25-65 three through holes or four through holes, cutting flat at a pull-out port, and welding a three-way thickened sleeve by high-frequency resistance welding; the drawing port is not cut flat, the high-frequency quick heating is used for connecting the tee joint thickened sleeve made of the same material to achieve the consistent melting point to finish sleeve welding, the sleeve is prefabricated according to the standard of the notch or screw thread of the iron casting, and the carbon steel groove piece or the screw fastener of the machine-made integral tee joint or the four-way joint is finished;
The steel pipe wall perforated ball-pulling or spin-pulling three-way link comprises: the method comprises the steps of utilizing laser to open holes on a pipe wall to machine 6m whole pipe, carrying out tee joint or four-way, and adopting a machine-made carbon steel tee joint manufacturing process of a pipe fitting prefabrication link to finish machine-made integral whole pipe with continuous pipe without fittings, and carrying out groove or screw thread connection of the tee joint or the four-way;
The processing link of the pipe expanding and shrinking pipe comprises the following steps: the direct and large-head pipe fitting is replaced by the expanding pipe shrinking process, the direct pipe fitting is replaced by the expanding pipe inner wire, the reducing large-head pipe fitting is replaced by the shrinking pipe inner wire, the direct connection between the pipe and the pipe can be completed, and screw threads and leakage points are reduced.
2. The method for processing the self-contained pipe fitting of the whole pipe body of the quick-mounting fire-fighting pipeline according to claim 1, wherein the step of perforating the wall of the steel pipe to form a ball or spin-pull three-way pipe comprises the step of continuously threading the whole pipe with the three-way pipe without cutting off the pipe and the step of replacing the three-way pipe fitting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101168.8A CN114453832B (en) | 2021-09-18 | 2021-09-18 | Processing method of quick-mounting fire-fighting pipeline whole pipe body self-contained pipe fitting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111101168.8A CN114453832B (en) | 2021-09-18 | 2021-09-18 | Processing method of quick-mounting fire-fighting pipeline whole pipe body self-contained pipe fitting |
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| CN114453832B true CN114453832B (en) | 2024-05-31 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1225463A (en) * | 1968-09-19 | 1971-03-17 | ||
| CN1202590A (en) * | 1997-06-12 | 1998-12-23 | 日钢计划株式会社 | Pipe connecting joint |
| JP2011231561A (en) * | 2010-04-30 | 2011-11-17 | Keiji Hirai | Upper and lower steel pipes jointing structure for steel pipe column and jointing method thereof |
| CN204164569U (en) * | 2014-10-25 | 2015-02-18 | 安源管道实业有限公司 | A kind of composite steel-plastic pipe fitting not needing secondary sealing |
| CN104841722A (en) * | 2015-04-20 | 2015-08-19 | 张中平 | Production method of pipeline connecting piece and pipeline connecting piece made by method |
| CN112975308A (en) * | 2021-05-20 | 2021-06-18 | 浙江摩多巴克斯科技股份有限公司 | Processing technology for extrusion molding of pipe end with sealing groove |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409229B1 (en) * | 2000-11-13 | 2002-06-25 | Lawrence E. Shea | Plastic pipe and duct joint connections |
-
2021
- 2021-09-18 CN CN202111101168.8A patent/CN114453832B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1225463A (en) * | 1968-09-19 | 1971-03-17 | ||
| CN1202590A (en) * | 1997-06-12 | 1998-12-23 | 日钢计划株式会社 | Pipe connecting joint |
| JP2011231561A (en) * | 2010-04-30 | 2011-11-17 | Keiji Hirai | Upper and lower steel pipes jointing structure for steel pipe column and jointing method thereof |
| CN204164569U (en) * | 2014-10-25 | 2015-02-18 | 安源管道实业有限公司 | A kind of composite steel-plastic pipe fitting not needing secondary sealing |
| CN104841722A (en) * | 2015-04-20 | 2015-08-19 | 张中平 | Production method of pipeline connecting piece and pipeline connecting piece made by method |
| CN112975308A (en) * | 2021-05-20 | 2021-06-18 | 浙江摩多巴克斯科技股份有限公司 | Processing technology for extrusion molding of pipe end with sealing groove |
Non-Patent Citations (1)
| Title |
|---|
| 端部加厚油管分段成形新工艺研究;徐开东;黄早文;张居国;王玉海;张兆恩;;锻压技术(第06期);第30-32段 * |
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