CN110712001A - Adjusting device for aligning steel pipe joints and using method thereof - Google Patents

Adjusting device for aligning steel pipe joints and using method thereof Download PDF

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Publication number
CN110712001A
CN110712001A CN201911217368.2A CN201911217368A CN110712001A CN 110712001 A CN110712001 A CN 110712001A CN 201911217368 A CN201911217368 A CN 201911217368A CN 110712001 A CN110712001 A CN 110712001A
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CN
China
Prior art keywords
chain
steel pipe
tightening
adjusting device
aligning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911217368.2A
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Chinese (zh)
Inventor
洪沪民
孙焕斌
刘克亮
邓永驰
吴杭州
陈哲红
陈德军
李志刚
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Municipal Environmental Construction Co Ltd of CREC
Original Assignee
Shanghai Civil Engineering Co Ltd of CREC
Municipal Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Civil Engineering Co Ltd of CREC, Municipal Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC filed Critical Shanghai Civil Engineering Co Ltd of CREC
Priority to CN201911217368.2A priority Critical patent/CN110712001A/en
Publication of CN110712001A publication Critical patent/CN110712001A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0533Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/02Iron or ferrous alloys
    • B23K2103/04Steel or steel alloys

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention relates to the technical field of building construction, in particular to an adjusting device for aligning steel pipe joints and a using method thereof.A chain connector is used for connecting two ends of a pre-tightening chain, a fine adjustment handle is connected to the chain connector in a matching way and is connected with one end of the pre-tightening chain, and the fine adjustment handle can drive one end of the pre-tightening chain to move when rotating so as to tighten or loosen the pre-tightening chain; the main block is provided with two through holes for two pre-tightening chains to pass through and respectively wind on the circumferential surfaces of the two steel pipes, and the main block is also provided with two screw jacks. Compared with the prior art, the device has the advantages that the static pressure of the screw jack arranged at the pipeline butt joint position is adjusted, so that the noise pollution is reduced; the hammering of the heavy hammer on the pipeline is avoided, the stress concentration of the steel pipe is reduced, and the quality of the steel pipe is not influenced by construction; the aligning speed is high, the efficiency is high, and the construction speed is accelerated; the mechanical mouth-aligning operation is realized, and the working intensity of operators is reduced.

Description

Adjusting device for aligning steel pipe joints and using method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to an adjusting device for aligning steel pipe joints and a using method thereof.
Background
In the construction process of the steel jacking pipe, particularly the large-diameter steel jacking pipe, after the jacking pipe is finished each time, the next pipe joint needs to be hoisted, the pipe joint is hoisted in place, and the pipeline welding can be carried out after the butt joint is finished, so that the construction progress of the whole jacking pipe is also influenced by the butt joint of the steel pipes.
However, the wedge block is welded on the pipe orifice by the traditional steel pipe butt-joint technology, the pipeline orifice is aligned by the impact force generated by manually hammering the wedge block by the heavy hammer, the operation efficiency is low, and huge impact noise is generated in the hammering process, so that the physical and mental health of operators is seriously influenced.
Therefore, it is desirable to provide a new adjusting device for aligning steel pipe joints and a method for using the same.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides an adjusting device for aligning steel pipe joints and a using method thereof, which can simply and conveniently realize the alignment of steel pipes and improve the construction efficiency of steel jacking pipes.
In order to achieve the purpose, the adjusting device for the joint alignment of the steel pipe comprises a chain connector, a pre-tightening chain and a main block, wherein the chain connector is used for connecting two ends of the pre-tightening chain, a fine adjustment handle is connected to the chain connector in a matching mode, the fine adjustment handle is connected with one end of the pre-tightening chain, and when the fine adjustment handle rotates, one end of the pre-tightening chain can be driven to move so as to tighten or loosen the pre-tightening chain; the main block on be equipped with two through-holes for supply two pretension chains to pass and twine respectively in the circumference surface of two steel pipes, the main block be close to steel pipe one side and be equipped with the depressed part, depressed part department be equipped with fixed regulator, thereby can exert the effort to the steel pipe and make the main block press from both sides tightly in the steel pipe surface, the main block on still be provided with two screw jack for exert the effort to two steel pipes respectively.
Preferably, the chain connector is provided with a connecting part, and the connecting part is provided with a threaded inner hole for being connected with the fine adjustment handle in a threaded fit manner.
Preferably, a chain claw is arranged in the chain connector and used for fixing the other end of the pre-tightening chain.
Preferably, the chain claw is rotatably connected to the inside of the chain connector through a rotating shaft, the front end of the chain claw is provided with two arc-shaped contact parts adapted to the pre-tightening chain, two rotating shafts are arranged at positions corresponding to the chain claw in the chain connector, and one side of the chain claw is connected with a spring for applying an acting force to the chain claw to fix the pre-tightening chain between the rotating shaft and the chain claw.
The chain connector is provided with an inner concave part in the middle of one side close to the surface of the steel pipe, two sides of the inner concave part form abutting parts which are in contact with the surface of the steel pipe, and the end face of the abutting part close to the surface of the steel pipe is a plane.
The fixed adjuster is a fastening bolt, and a threaded hole is formed in the concave part and used for being connected with the fastening bolt.
And chain clamping adjusting screws are connected to the main block at positions corresponding to the two through holes.
Two chain connectors are arranged at the butt joint of the steel pipes in parallel, the two chain connectors are respectively arranged on the two steel pipes, a plurality of main blocks are uniformly arranged along the circumferential direction of the two steel pipes, two through holes are formed in the main blocks and correspond to the two chain connectors, and pre-tightening chains of the two chain connectors respectively penetrate through the through holes of the main blocks and are wound in the circumferential direction of the two steel pipes.
The invention also relates to a using method of the adjusting device for the joint alignment of the steel pipe, which comprises the following steps: the adjusting device is arranged along the pipe orifice of the steel pipe and is closed through the chain connector, then the main block is temporarily fixed through the fixing regulator, after the main block is arranged, the chain is pre-tightened through a fine adjustment handle on the connector, and then the two steel pipe orifices are aligned through pressurization work of a screw jack on the main block.
Compared with the prior art, the device is simple to operate, does not need professional training for use, and is easy to operate; the time of workers working aloft can be reduced, and the risk is reduced; it is efficient to the mouth, is favorable to reducing manual operation and reduction of erection time, and in addition, its advantage still lies in:
1. the static pressure of the screw jack of the device is adjusted at the opposite port of the pipeline, so that the noise pollution is reduced;
2. the hammering of the heavy hammer on the pipeline is avoided, the stress concentration of the steel pipe is reduced, and the quality of the steel pipe is not influenced by construction;
3. the aligning speed is high, the efficiency is high, and the construction speed is accelerated;
4. the mechanical mouth-aligning operation is realized, and the working intensity of operators is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an adjusting device for aligning steel pipe joints according to the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural diagram of a main block according to the present invention;
FIG. 4 is a schematic diagram of the construction of the chain connector of the present invention;
in the figure: 1. the chain pre-tightening device comprises a main block, 1-1 chain clamping adjusting screws, 1-2 screw jacks, 1-3 fixing adjusters, 2 pre-tightening chains, 3 connectors, 3-1 fine adjustment handles, 3-2 chain claws, 3-3 connecting parts, 3-4 rotating shafts, 3-5 abutting parts, 3-6 springs, 3-7 rotating shafts, 3-8 arc-shaped contact parts and 4 steel pipes.
Detailed Description
The structure and principles of such apparatus and method will be apparent to those skilled in the art from the following further description of the invention, taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
This embodiment provides a steel pipe festival adjusting device to mouth, mainly includes chain connector, pretension chain, owner's piece triplex, and the device can improve steel pipe efficiency of the mouth to mouth, and the work progress noiselessness reduces the hand labor volume, reduces occupational hazard.
As shown in fig. 1 and 2, at the butt joint of the steel pipes, the chain connectors are arranged in parallel in a double row, that is, two chain connectors are arranged in parallel, the upper parts of the chain connectors are provided with fine adjustment handles for tensioning loose chains after being connected with the roller chains, chain claws are arranged in the chain connectors and can be used for connecting the roller chains, the two chain connectors are respectively arranged on the two steel pipes, a plurality of main blocks are uniformly arranged along the circumferential direction of the two steel pipes, two through holes are arranged on the main blocks and correspond to the two chain connectors, and pre-tightening chains of the two chain connectors respectively pass through the through holes of the main blocks and are wound around the circumferential direction of the two steel pipes. In a preferred embodiment, the pre-tightening chain adopts a three-row roller chain, which can effectively provide a pressure counter force for the main block and a positioning effect.
As shown in fig. 3, the main block is provided with two through holes for two pre-tightening chains to pass through and wind around the circumferential surfaces of two steel pipe orifices, the main block is provided with a concave part on one side close to the steel pipe, the concave part is provided with a fixed adjuster, and an acting force can be applied to the steel pipe so that the main block is clamped on the surface of the steel pipe. And the main block is also provided with two through holes, the through holes are connected with screw jacks through welding or bolt connection or other conventional connection modes, and the working ends of the two screw jacks penetrate through the main block and can respectively apply acting force to the two steel pipes. In addition, chain clamping adjusting screws are connected to the positions, corresponding to the two through holes, of the main block through threaded holes and used for applying clamping force to the pre-tightening chains to enable the pre-tightening chains to be fixed in the main block.
As shown in fig. 4, in this embodiment, an inner concave portion is disposed in the middle of one side of the chain connector close to the surface of the steel pipe, abutting portions contacting with the surface of the steel pipe are formed on two sides of the inner concave portion, an end surface of the abutting portion close to the surface of the steel pipe is a plane, the chain connector is used for connecting two ends of a pre-tightening chain, one end of the pre-tightening chain enters the chain connector from the outer side of one abutting portion and is connected with the fine adjustment handle, and the other end of the pre-tightening chain enters the chain connector from the outer side of the other abutting portion and is fixed in the chain connector.
In this embodiment, the chain connector on be equipped with connecting portion, connecting portion department be equipped with the screw thread hole for pass through screw-thread fit with the fine setting handle and be connected, just the fine setting handle with the one end of pretension chain weld mutually, the other end of pretension chain be fixed in the chain connector in, thereby the fine setting handle rotate the one end motion that can drive the pretension chain thereby take up or loose the winding in steel pipe circumference pretension chain, the position homoenergetic that pretension chain both ends got into the chain connector can set up the axis of rotation so that the pretension chain when the fine setting handle rotates.
The chain connector in be equipped with a rotation axis, chain claw cover establish in a rotation axis outside or through bearing even rotation connect in the outside of rotation axis to realize the rotation of chain claw in the chain connector and connect, the front end of chain claw is equipped with two and the radian contact portion that pretension chain suited, and is equipped with two axis of rotation corresponding to the position of chain claw in the chain connector, one side of chain claw is connected with the spring for exert the effort in order to be fixed in the pretension chain between axis of rotation and the chain claw to the chain claw.
Examples
The embodiment provides a use method of the adjusting device for the joint alignment of the steel pipe, which specifically comprises the following steps:
1) construction preparation;
2) the steel pipes are subjected to preliminary opening alignment, and whether the steel pipes meet the relevant size requirements is checked;
3) the device is arranged along the pipe orifice and is closed through the chain connector;
4) arranging a main block according to the shape and the size of the pipe orifices of the two steel pipes, and temporarily fixing the main block through a fixing regulator;
5) after the main block is arranged, the chain is pre-tightened through a fine adjustment handle on the connector;
6) pressurizing the light pipe by a screw jack on the main block to align the two steel pipe openings;
7) after the pipe orifices are aligned, the screw jack is unloaded, and then the connector is loosened;
8) and finishing the opening alignment and carrying out the next procedure.

Claims (9)

1. An adjusting device for aligning steel pipe joints is characterized by comprising a chain connector, a pre-tightening chain and a main block,
the chain connector is used for connecting two ends of a pre-tightening chain, a fine adjustment handle is connected to the chain connector in a matching mode, the fine adjustment handle is connected with one end of the pre-tightening chain, and the fine adjustment handle can drive one end of the pre-tightening chain to move when rotating so as to tighten or loosen the pre-tightening chain;
the main block on be equipped with two through-holes for supply two pretension chains to pass and twine respectively in the circumference surface of two steel pipes, the main block be close to steel pipe one side and be equipped with the depressed part, depressed part department be equipped with fixed regulator, thereby can exert the effort to the steel pipe and make the main block press from both sides tightly in the steel pipe surface, the main block on still be provided with two screw jack for exert the effort to two steel pipes respectively.
2. The adjusting device for aligning steel pipe joints according to claim 1, wherein the chain connector is provided with a connecting part, and the connecting part is provided with a threaded inner hole for being in threaded fit connection with the fine adjustment handle.
3. The adjusting device for aligning the steel pipe joints as claimed in claim 1, wherein a chain claw is provided in the chain connector for fixing the other end of the pre-tightening chain.
4. The adjusting device for aligning steel pipe joints according to claim 3, wherein the chain claw is rotatably connected to the inside of the chain connector through a rotating shaft, the front end of the chain claw is provided with two arc-shaped contact portions corresponding to the pre-tightening chain, and two rotating shafts are provided at positions corresponding to the chain claw inside the chain connector, and a spring is connected to one side of the chain claw for applying a force to the chain claw to fix the pre-tightening chain between the rotating shafts and the chain claw.
5. The adjusting device for the aligning of the steel pipe joints as claimed in claim 1, wherein the middle of one side of the chain connector close to the surface of the steel pipe is provided with an inner concave part, two sides of the inner concave part form abutting parts which are in contact with the surface of the steel pipe, and the end surface of the abutting part close to the surface of the steel pipe is a plane.
6. The adjusting device for aligning the steel pipe joints according to claim 1, wherein the fixing adjuster is a fastening bolt, and a threaded hole is formed in the recessed portion for connecting the fastening bolt.
7. The adjusting device for the joint alignment of the steel pipe according to claim 1, wherein the main block is connected with chain clamping adjusting screws at positions corresponding to the two through holes.
8. The adjusting device for aligning steel pipe joints according to claim 1, wherein two chain connectors are arranged in parallel at the aligning connection position of the steel pipes, the two chain connectors are respectively arranged on the two steel pipes, a plurality of main blocks are uniformly arranged along the circumferential direction of the two steel pipes, two through holes are formed in the main blocks and correspond to the two chain connectors, and the pre-tightening chains of the two chain connectors respectively penetrate through the through holes of the main blocks and are wound around the circumferential direction of the two steel pipes.
9. The use method of the adjusting device for the joint alignment of the steel pipe according to claim 1 is characterized by comprising the following steps: the adjusting device is arranged along the pipe orifice of the steel pipe and is closed through the chain connector, then the main block is temporarily fixed through the fixing regulator, after the main block is arranged, the chain is pre-tightened through a fine adjustment handle on the connector, and then the two steel pipe orifices are aligned through pressurization work of a screw jack on the main block.
CN201911217368.2A 2019-12-03 2019-12-03 Adjusting device for aligning steel pipe joints and using method thereof Pending CN110712001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911217368.2A CN110712001A (en) 2019-12-03 2019-12-03 Adjusting device for aligning steel pipe joints and using method thereof

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Application Number Priority Date Filing Date Title
CN201911217368.2A CN110712001A (en) 2019-12-03 2019-12-03 Adjusting device for aligning steel pipe joints and using method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111438492A (en) * 2020-05-20 2020-07-24 王嘉 Metal heat-insulating pipeline connecting and welding treatment process

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2361939Y (en) * 1999-01-08 2000-02-02 中国石油天然气管道第三工程公司 Pipeline enternal pipe mouth butt-jointing device
CN1876329A (en) * 2006-07-03 2006-12-13 中国海洋石油总公司 Internal aligning device for pipe
CN2850829Y (en) * 2005-10-13 2006-12-27 中建八局工业设备安装有限责任公司 Eccentric wheel type external pipe aligning device
CN203973132U (en) * 2014-07-31 2014-12-03 中国石油天然气第一建设公司 A kind of chain pipe for pipeline docking is to mouthpart
US10119646B1 (en) * 2015-06-18 2018-11-06 Mathey Investments, Inc. Hydraulic chain clamp apparatus for pipe repair sleeves
CN209394248U (en) * 2019-01-03 2019-09-17 中国化学工程第三建设有限公司 For aluminium alloy or the fixture of stainless steel pipes group weldering counterpart
US10414004B1 (en) * 2016-11-15 2019-09-17 Mathey Investments, Inc. Pipe alignment system
CN211438829U (en) * 2019-12-03 2020-09-08 中铁上海工程局集团有限公司 Adjusting device for aligning steel pipe joints

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2361939Y (en) * 1999-01-08 2000-02-02 中国石油天然气管道第三工程公司 Pipeline enternal pipe mouth butt-jointing device
CN2850829Y (en) * 2005-10-13 2006-12-27 中建八局工业设备安装有限责任公司 Eccentric wheel type external pipe aligning device
CN1876329A (en) * 2006-07-03 2006-12-13 中国海洋石油总公司 Internal aligning device for pipe
CN203973132U (en) * 2014-07-31 2014-12-03 中国石油天然气第一建设公司 A kind of chain pipe for pipeline docking is to mouthpart
US10119646B1 (en) * 2015-06-18 2018-11-06 Mathey Investments, Inc. Hydraulic chain clamp apparatus for pipe repair sleeves
US10414004B1 (en) * 2016-11-15 2019-09-17 Mathey Investments, Inc. Pipe alignment system
CN209394248U (en) * 2019-01-03 2019-09-17 中国化学工程第三建设有限公司 For aluminium alloy or the fixture of stainless steel pipes group weldering counterpart
CN211438829U (en) * 2019-12-03 2020-09-08 中铁上海工程局集团有限公司 Adjusting device for aligning steel pipe joints

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111438492A (en) * 2020-05-20 2020-07-24 王嘉 Metal heat-insulating pipeline connecting and welding treatment process

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Address after: 200436, No. three, 278 Road, Jingan District, Shanghai

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