CN102278529B - Method for mounting glass fiber reinforced plastic pipeline - Google Patents
Method for mounting glass fiber reinforced plastic pipeline Download PDFInfo
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- CN102278529B CN102278529B CN201110180296A CN201110180296A CN102278529B CN 102278529 B CN102278529 B CN 102278529B CN 201110180296 A CN201110180296 A CN 201110180296A CN 201110180296 A CN201110180296 A CN 201110180296A CN 102278529 B CN102278529 B CN 102278529B
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Abstract
The invention relates to a method for mounting a glass fiber reinforced plastic pipeline, comprising the following steps: (1) inserting one end of each cylindrical guide rod into a rifled pipe opening of an adapting pipeline in a clearance fit mode; (2) using idler wheel harnesses to lift a screwing pipeline so that an external screwed pipe opening of the screwing pipeline is opposite to the rifled pipe opening of the adapting pipeline; (3) inserting the external screwed pipe opening of the screwing pipeline into one end exposed out of each cylindrical guide rod, and pushing the screwing pipeline to the adapting pipeline until pipe opening end faces of the screwing pipeline and the adapting pipeline are in the same line; and (4) arranging two halves of each cylindrical guide rod in the screwing pipeline and the adapting pipeline respectively; (5) adjusting the lifting heights of the idler wheel harnesses so as to cause the screwing pipeline and the adapting pipeline to be in a coaxial line; (6) coating glass fiber reinforced plastic sealants on an external thread of the screwing pipeline; and (7) adopting a wrench to rotate the screwing pipeline so that the external thread of the screwing pipeline screws into an internal thread of the adapting pipeline gradually till fastening. By using the method, the difficulty of the field construction of the glass fiber reinforced plastic pipeline is reduced greatly and the mounting reliability is improved.
Description
Technical field
The present invention relates to a kind of pipe installation method, particularly a kind of installation method of the GRP pipe that is threaded.
Background technique
The butt joint of glass fibre reinforced plastics threaded tube, the mouth of pipe of the pipeline that spins is an outside thread, and the mouth of pipe of accepting pipeline is an internal thread, and external thread rotary is connected on and makes two pipelines be able to connect perforation in the internal thread.Spin pipeline when accepting pipeline and dock, need the center line of two pipelines be placed on the same straight line, the outside thread of the pipeline that spins is aimed at the internal thread of accepting pipeline, then could be with the outside thread precession.This is easy to realize that because small-bore pipeline is in light weight, pliability is good, controls the butt joint that can accomplish two pipelines by a dead lift when small-bore pipeline docks.But for large diameter pipeline; Because its weight is very heavy; Obviously can't carry by manual work, often lean on facility such as forklift, cucurbit pipeline to be sling, though common wire rope or suspender belt can be mentioned pipeline by means of wire rope or other suspender belt; But pipeline can't rotate in the above, also just can not carry out spinning of screw thread.
In addition, existing piping erection, whether the outside thread of the pipeline that spins is aimed at the internal thread of accepting pipeline only depends on visual observations; Be difficult to guarantee the precision of aligning, for small pipeline, because the precession torsion that needs is smaller; In case find that the screw thread precession is not smooth; Should stop precession immediately, the counterrotating pipeline that will spin is backed off, and avoids screw thread to receive bigger injury.But this method is not suitable for the installation of large pipeline; For example the above pipeline of DN400 needs bigger torsion ability precession, in case the precision that outside thread is aimed at internal thread is not enough, along with the precession of pipeline; Must cause the bigger injury of screw thread; And GRP pipe is different from common metallic conduit, in case pipe thread be destroyed, with directly causing scrapping of GRP pipe.
Summary of the invention
The objective of the invention is to, overcome the problem that exists in the existing technology, a kind of installation method of GRP pipe is provided, can when screw thread docks, guarantee butt joint accurately, and convenience quick for installation.
For solving above technical problem; The installation method of a kind of GRP pipe provided by the present invention; Comprise that spin pipeline and glass fibre reinforced plastics of the identical glass fibre reinforced plastics of internal diameter accepts pipeline; The mouth of pipe of the said pipeline that spins is provided with outside thread, and the said mouth of pipe of accepting pipeline is provided with and the suitable internal thread of said outside thread, and the said pipeline that spins in turn includes the following steps when pipeline docks with accepting: the pipeline horizontal fixed will be accepted in (1); One end of cylinder guide rod is inserted in the said internal thread mouth of pipe of accepting pipeline the outer wall of said cylinder guide rod and the said inwall Spielpassung of accepting pipeline; (2) adopt the roller suspender belt to sling in the said pipeline that spins, the outside thread mouth of pipe that makes the pipeline that spins and the internal thread mouth of pipe of accepting pipeline are in opposite directions; (3) the outside thread mouth of pipe with the said pipeline that spins is inserted in the end that said cylinder guide rod exposes, and the said pipeline that spins is advanced to the said duct orientation of accepting, until the end face flush of the said outside thread mouth of pipe and the said internal thread mouth of pipe; (4) position of the said cylinder guide rod of adjustment makes the cylinder guide rod respectively have half to lay respectively at said spin pipeline and said accepting in the pipeline; (5) sling height and the position of the said roller suspender belt of adjustment, and the axis of the pipeline that spins and the axis of accepting pipeline are positioned on the same straight line; (6) coated glass steel sealer on the outside thread of the said pipeline that spins; (7) adopt Pipe wrench to rotate the said pipeline that spins, the outside thread that makes the pipeline that spins is progressively in the said internal thread of accepting pipeline of precession, until screwing.
With respect to existing technology, the present invention has obtained following beneficial effect: the inwall Spielpassung of the outer wall of cylinder guide rod and pipeline both can guarantee that the cylinder guide rod can move smoothly in pipeline, be unlikely to influence the merging precision of pipeline again; The cylinder guide rod respectively have half lay respectively at spin pipeline with accept in the pipeline, the pipeline that spins that can guarantee to dock thread section is with to accept pipeline concentric, thereby guarantees that butt joint is accurately smooth; The roller suspender belt can the handling pipeline, and the butt joint pipeline is aimed at each other, and the pipeline that spins freely is rotated on suspender belt, carries out screw thread easily and spins, and the resistance that pipeline is rotated generation is very little; This installation method adopts special-purpose cylinder guide rod and roller suspender belt; Only need a forklift or excavator to cooperate the installation that to accomplish the heavy caliber GRP pipe smoothly; Greatly reduce the difficulty of GRP pipe field construction, and improved the reliability of installing greatly.
As preferred version of the present invention; Said roller suspender belt comprises that many shape sizes are identical, be distributed on the same semicircle and coupling shaft that axis is parallel to each other; Each said coupling shaft is a multidiameter shaft; The bearing of same model and specification is installed on the inner side step at its two ends, and each said bearings is on the half circle wall of the pipeline that spins; Be hinged with the arc connecting plate respectively on the outside step of said coupling shaft, the two ends that the other end of said arc connecting plate is hinged on the adjacent coupling shaft each coupling shaft are connected in series successively; The two ends of said coupling shaft is respectively equipped with thread section, is connected with nut on the said thread section respectively said arc connecting plate is compressed; The two ends that are positioned at two coupling shafts topmost are hinged with direct-connected fishplate bar respectively, and the upper end that is positioned at the two direct-connected fishplate bars of pipeline the same side interconnects through connecting rod, and the parallel axes of said connecting rod is in the axis of said coupling shaft.With the bottom of roller suspender belt holder at pipeline to be installed; The parallel axes of each coupling shaft is in the axis of pipeline; Again with wire rope rope on roller suspender belt two connecting rods topmost, mention wire rope through forklift or other suspender the roller suspender belt mentioned, the bearings at each coupling shaft two ends holds up pipeline on the half circle wall of the pipeline that spins; Because what adopted the pipeline bottom is bearings; Pipeline can freely rotate on suspender belt, through instruments such as Chain wrench rotating pipe easily, the outside thread of the pipeline that spins and the internal thread of accepting pipeline is spun.
As preferred version of the present invention, the length of said cylinder guide rod be said spin pipeline with accept 5 ~ 20 times of internal diameter of the pipeline.The insertion length of cylinder guide rod is long more, can guarantee the precision of screw thread butt joint more, and the length of cylinder guide rod is 5 ~ 20 times of internal diameter of the pipeline, can guarantee the precision of screw thread butt joint, can guarantee that again the cylinder guide rod moves freely in pipeline.
As preferred version of the present invention, the two ends of said cylinder guide rod are respectively equipped with circular arc chamfering.Circular arc chamfering can make the cylinder guide rod in pipeline, move more easily.
As preferred version of the present invention, be connected with the tractive handle on the both ends of the surface of said cylinder guide rod respectively, be banded with tow rope respectively on the said tractive handle, the free end of said tow rope stretches out with the other end mouth of pipe of accepting pipeline from the said pipeline that spins respectively.Can outside pipeline, spur the cylinder guide rod through tractive handle and tow rope, make the center accurately be positioned at the position of butt joint screw thread; After a pipeline butt joint is accomplished, can the cylinder guide rod be moved to next screw thread docking location, proceed the pipeline butt joint through the tractive of tow rope.
As preferred version of the present invention, the outside thread root of the said pipeline that spins is provided with positioning convex ring.When the pipeline precession gradually that spin, when positioning convex ring touches the end face of accepting pipeline, represent that promptly the connection length of screw thread and connection power are enough, can guarantee that pressure test passes through.
Description of drawings
Fig. 1 is a pipeline lifting schematic representation of the present invention.
Fig. 2 is the plan view of roller suspender belt among the present invention.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structure enlarged view of coupling shaft among Fig. 2.
Fig. 5 is the structural representation of arc connecting plate among Fig. 2.
Fig. 6 is the structure enlarged view of connecting rod among Fig. 2.
Fig. 7 is the structural representation of direct-connected fishplate bar among Fig. 2.
Among the figure: 1 coupling shaft; The 1a circlip groove; 2 connecting rods; 3 arc connecting plates; 4 direct-connected fishplate bars; 5 bearings; 6 shaft block rings; 7 nuts; 8 pipelines that spin; The 8a positioning convex ring; 9 accept pipeline; 10 cylinder guide rods; 10a tractive handle; The 10b tow rope; 11 hoist cables.
Embodiment
As shown in Figure 1; The installation method of GRP pipe of the present invention; Comprise that spin pipeline 8 and glass fibre reinforced plastics of the identical glass fibre reinforced plastics of internal diameter accepts pipeline 9; The mouth of pipe of pipeline 8 of spinning is provided with outside thread, and the mouth of pipe of accepting pipeline 9 is provided with the internal thread suitable with outside thread, and the pipeline 8 that spins in turn includes the following steps when pipeline 9 docks with accepting: pipeline 9 horizontal fixed will be accepted in (1); The one end insertion of cylinder guide rod 10 is accepted in the internal thread mouth of pipe of pipeline the outer wall of cylinder guide rod 10 and the inwall Spielpassung of accepting pipeline 9; (2) will spin pipeline 8 adopts the roller suspender belts to sling, and the outside thread mouth of pipe that makes the pipeline 8 that spins and the internal thread mouth of pipe of accepting pipeline 9 are in opposite directions; (3) will the spin outside thread mouth of pipe of pipeline 8 is inserted in the end that cylinder guide rod 10 exposes, and the pipeline 8 that will spin advances to the direction of accepting pipeline 9, until the end face flush of the outside thread mouth of pipe and the internal thread mouth of pipe; (4) position of adjustment cylinder guide rod 10, make cylinder guide rod 10 respectively have half lay respectively at spin pipeline 8 with accept in the pipeline 9; (5) sling height and the position of adjustment roller suspender belt, and the axis of the pipeline 8 that spins and the axis of accepting pipeline 9 are positioned on the same straight line; (6) coated glass steel sealer on the outside thread of pipeline 8 that spins; (7) adopt Pipe wrench to rotate the pipeline 8 that spins, the outside thread that makes the pipeline 8 that spins progressively precession is accepted in the internal thread of pipeline 9, until screwing.
The outside thread root of pipeline of spinning is provided with positioning convex ring 8a, and precession is when positioning convex ring 8a touches the end face of accepting pipeline 9 gradually when the pipeline 8 that spins, and the connection length and the connection power of screw thread are enough, can guarantee that pressure test passes through.
The length of cylinder guide rod be preferably spin pipeline with accept 5 ~ 20 times of internal diameter of the pipeline, the two ends of cylinder guide rod are respectively equipped with circular arc chamfering, in order in pipeline, moving.Be connected with tractive handle 10a on the both ends of the surface of cylinder guide rod respectively, be banded with tow rope 10b respectively on the tractive handle 10a, the free end of tow rope 10b stretches out with the other end mouth of pipe of accepting pipeline from the pipeline that spins respectively.Can outside pipeline, spur the cylinder guide rod through tow rope 10b, make the center accurately be positioned at the position of butt joint screw thread; After a pipeline butt joint was accomplished, the tractive through tow rope 10b moved to next screw thread docking location with the cylinder guide rod again, proceeded the pipeline butt joint.
As shown in Figure 2; The roller suspender belt that piping erection of the present invention is used; Comprise that many shape sizes are identical, be distributed on the same semicircle and coupling shaft 1 that axis is parallel to each other that the multidiameter shaft that each coupling shaft 1 is is equipped with the bearing 5 of same model and specification on the inner side step at its two ends; Each bearing 5 symmetric support is on the half circle wall of pipeline 8 that spins, and each bearing outside is fixing through shaft block ring 6; Be hinged with arc connecting plate 3 respectively on the outside step of coupling shaft 1, the two ends that the other end of arc connecting plate 3 is hinged on the adjacent coupling shaft each coupling shaft are connected in series successively; The two ends of coupling shaft 1 is respectively equipped with thread section, is connected with nut 7 on the thread section respectively arc connecting plate 3 is compressed; The two ends that are positioned at two coupling shafts topmost are hinged with direct-connected fishplate bar 4 respectively, and the upper end that is positioned at the two direct-connected fishplate bars 4 of pipeline the same side interconnects through connecting rod 2, and the parallel axes of connecting rod 2 is in the axis of coupling shaft 1.
As shown in Figure 3, the two ends of coupling shaft are followed successively by the Bearing Installation position from inside to outside, and the outside of Bearing Installation position is provided with circlip groove 1a, and shaft block ring 6 is installed among the circlip groove 1a, and bearing inner race is resisted against on the shaft shoulder, and the outside is fixing by shaft block ring 6.The outside of Bearing Installation position is arc connecting plate mounting point, and two arc connecting plates, 3 terminations are hinged on this position respectively, and the nut that spins on the thread section in the outside is with arc connecting plate axially locating.
As shown in Figure 4, the two ends of arc connecting plate 3 are provided with hinging hole, and two hinging holes are hinged on respectively on two adjacent coupling shafts, and the radius of arc connecting plate is greater than the radius of pipeline to be installed, so that when lifting, do not interfere with pipeline.
As shown in Figure 5, the two ends of connecting rod 2 only are provided with the articulated position and the thread section of direct-connected fishplate bar and arc connecting plate.
As shown in Figure 6, the two ends of direct-connected fishplate bar 4 are provided with hinging hole, and the lower end hinging hole is hinged on the coupling shaft 1 of the top, and the upper end hinging hole is hinged on the connecting rod 2.
During installation; In the bottom of pipeline 8 to be installed, the parallel axes of each coupling shaft 1 ties up to hoist cable 11 on roller suspender belt two connecting rods 2 topmost in the axis of pipeline again with the holder of roller suspender belt; Mentioning hoist cable 11 through forklift or other suspender mentions the roller suspender belt; Bearing 5 symmetric support at each coupling shaft two ends hold up pipeline 8 on the half circle wall of pipeline 8 that spins, and forming rolls supports, and topmost the bearing of two coupling shafts is positioned on the diameter of pipeline 8.The sling height of adjustment pipeline 8 makes two to wait that the center line that docks pipeline places on the same straight line, through instrument rotating pipes 8 such as Chain wrenches, the outside thread of pipeline 8 ports and the internal thread of another root pipe end is spun.
Except that the foregoing description, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. the installation method of a GRP pipe; Comprise that spin pipeline and glass fibre reinforced plastics of the identical glass fibre reinforced plastics of internal diameter accepts pipeline; The mouth of pipe of the said pipeline that spins is provided with outside thread; The said mouth of pipe of accepting pipeline is provided with and the suitable internal thread of said outside thread; It is characterized in that: the said pipeline that spins in turn includes the following steps when pipeline docks with accepting: the pipeline horizontal fixed will be accepted in (1), an end of cylinder guide rod inserted in the said internal thread mouth of pipe of accepting pipeline the outer wall of said cylinder guide rod and the said inwall Spielpassung of accepting pipeline; (2) adopt the roller suspender belt to sling in the said pipeline that spins, the outside thread mouth of pipe that makes the pipeline that spins and the internal thread mouth of pipe of accepting pipeline are in opposite directions; (3) the outside thread mouth of pipe with the said pipeline that spins is inserted in the end that said cylinder guide rod exposes, and the said pipeline that spins is advanced to the said duct orientation of accepting, until the end face flush of the said outside thread mouth of pipe and the said internal thread mouth of pipe; (4) position of the said cylinder guide rod of adjustment makes the cylinder guide rod respectively have half to lay respectively at said spin pipeline and said accepting in the pipeline; (5) sling height and the position of the said roller suspender belt of adjustment, and the axis of the pipeline that spins and the axis of accepting pipeline are positioned on the same straight line; (6) coated glass steel sealer on the outside thread of the said pipeline that spins; (7) adopt Pipe wrench to rotate the said pipeline that spins, the outside thread that makes the pipeline that spins is progressively in the said internal thread of accepting pipeline of precession, until screwing; Said roller suspender belt comprises that many shape sizes are identical, be distributed on the same semicircle and coupling shaft that axis is parallel to each other; Each said coupling shaft is a multidiameter shaft; The bearing of same model and specification is installed on the inner side step at its two ends, and each said bearings is on the half circle wall of the pipeline that spins; Be hinged with the arc connecting plate respectively on the outside step of said coupling shaft, the two ends that the other end of said arc connecting plate is hinged on the adjacent coupling shaft each coupling shaft are connected in series successively; The two ends of said coupling shaft is respectively equipped with thread section, is connected with nut on the said thread section respectively said arc connecting plate is compressed; The two ends that are positioned at two coupling shafts topmost are hinged with direct-connected fishplate bar respectively, and the upper end that is positioned at the two direct-connected fishplate bars of pipeline the same side interconnects through connecting rod, and the parallel axes of said connecting rod is in the axis of said coupling shaft.
2. the installation method of GRP pipe according to claim 1 is characterized in that: the length of said cylinder guide rod be said spin pipeline with accept 5 ~ 20 times of internal diameter of the pipeline.
3. the installation method of GRP pipe according to claim 1, it is characterized in that: the two ends of said cylinder guide rod are respectively equipped with circular arc chamfering.
4. the installation method of GRP pipe according to claim 3; It is characterized in that: be connected with the tractive handle on the both ends of the surface of said cylinder guide rod respectively; Be banded with tow rope respectively on the said tractive handle, the free end of said tow rope stretches out with the other end mouth of pipe of accepting pipeline from the said pipeline that spins respectively.
5. the installation method of GRP pipe according to claim 1, it is characterized in that: the outside thread root of the said pipeline that spins is provided with positioning convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180296A CN102278529B (en) | 2011-06-30 | 2011-06-30 | Method for mounting glass fiber reinforced plastic pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180296A CN102278529B (en) | 2011-06-30 | 2011-06-30 | Method for mounting glass fiber reinforced plastic pipeline |
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| Publication Number | Publication Date |
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| CN102278529A CN102278529A (en) | 2011-12-14 |
| CN102278529B true CN102278529B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110180296A Active CN102278529B (en) | 2011-06-30 | 2011-06-30 | Method for mounting glass fiber reinforced plastic pipeline |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111520540B (en) * | 2020-04-13 | 2022-02-01 | 中建三局集团有限公司 | Mounting device and method for T-shaped interface nodular cast iron pipe |
| CN114636018A (en) * | 2022-03-24 | 2022-06-17 | 河南师范大学 | Building water supply and drainage pipeline fixed positioning device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267417B1 (en) * | 1999-05-24 | 2001-07-31 | Jui-Hua Fan | Angle setting pipe structure and its fabrication method |
| CN2883847Y (en) * | 2006-04-12 | 2007-03-28 | 河北可耐特玻璃钢有限公司 | Insertion installing clamp for glass fiber reinforced plastic pipeline |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003230201A1 (en) * | 2003-04-10 | 2004-11-01 | Raffaele Bergamante | Hydraulic joint articulated device and use thereof with a heat radiator |
| US8038174B2 (en) * | 2008-08-08 | 2011-10-18 | Ge-Hitachi Nuclear Energy Americas Llc | Apparatus for repairing a core spray downcomer pipe slip joint coupling |
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2011
- 2011-06-30 CN CN201110180296A patent/CN102278529B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267417B1 (en) * | 1999-05-24 | 2001-07-31 | Jui-Hua Fan | Angle setting pipe structure and its fabrication method |
| CN2883847Y (en) * | 2006-04-12 | 2007-03-28 | 河北可耐特玻璃钢有限公司 | Insertion installing clamp for glass fiber reinforced plastic pipeline |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-44068A 2010.02.25 |
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| CN102278529A (en) | 2011-12-14 |
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Owner name: YANGZHOU HADITE NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: YANGZHOU XINYANG SCI. + TECH. DEV. IND. CO., LTD. Effective date: 20140619 |
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Effective date of registration: 20140619 Address after: 225127 Hanjiang Economic Development Zone, Hanjiang District, Jiangsu, Yangzhou Patentee after: Yangzhou hardit new materials Co. Ltd. Address before: 225127 No. 199, Ji'an Road, Hanjiang Industrial Park, Jiangsu, Yangzhou Patentee before: Yangzhou Xinyang Sci. & Tech. Dev. Ind. Co., Ltd. |