CN105562818A - Automatic large pipeline cutting machine - Google Patents
Automatic large pipeline cutting machine Download PDFInfo
- Publication number
- CN105562818A CN105562818A CN201610107399.2A CN201610107399A CN105562818A CN 105562818 A CN105562818 A CN 105562818A CN 201610107399 A CN201610107399 A CN 201610107399A CN 105562818 A CN105562818 A CN 105562818A
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- tensioning
- circular orbit
- mounting base
- sprocket wheel
- circumference
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/08—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
An automatic large pipeline cutting machine is characterized by comprising a cutting mechanism, a lifting mechanism, a circumference walking mechanism, an installing bottom plate and a circumference rail; the circumference walking mechanism and the lifting mechanism are both installed on the installing bottom plate, the circumference rail is installed around the circumference of a pipeline to be cut, the circumference walking mechanism moves along the circumference rail and drives the installing bottom plate to move along the circumference of the pipeline to be cut; and the cutting mechanism is arranged at the tail end of the lifting mechanism.
Description
Technical field
The present invention relates to a kind of automatic gas cutting machine, particularly relate to submarine pipeline automatic gas cutting machine.
Technical background
Along with the development of modern science and technology, the petroleum gas in ocean is constantly developed.Because submarine pipeline can continus convergence in seabed by the pipeline of sealing, be also simultaneously the most fast, the safest and reliable offshore oil and gas mode of movement of economy.Submarine pipeline all needs to carry out cutting to pipeline and meets practical application request in laying and maintenance process.Submarine pipeline is divided into two kinds: individual layer pipeline comprises concrete cover, anti-corrosion insulating layer, steel pipe layer; Sea Double Insulation Pipe comprises: anti-corrosion insulating layer, steel sleeve, polyurethane foam, steel pipe layer.The waterborne dry cutting mode being applicable to submarine pipeline in existing cutting technique is the sawing that cold cut is cut, and namely can quick, high-qualityly cut concrete cover, also can ensure that the polyurethane foam of Sea Double Insulation Pipe is not destroyed simultaneously.
The patent No. is automatic pipeline cutting machine in the Chinese granted patent of 03211351.X, its cutting torch installed is method for hot cutting, and be applicable to clean steel pipeline, end face requires environment of low quality, submarine pipeline for multilayer composite material is inapplicable, can not meet the split requirement of submarine pipeline simultaneously.
Summary of the invention
For solving problems of the prior art, the invention provides a kind of large-scale pipeline automatic gas cutting machine that may be used for submarine pipeline radial cuts, radial surface trimming can be carried out to large-scale pipelines such as submarine pipelines.
Technical scheme of the present invention is:
Provide a kind of large-scale pipeline automatic gas cutting machine, it is characterized in that described large-scale pipeline automatic gas cutting machine comprises cutting mechanism, elevating mechanism, circumference walking mechanism, mounting base and circular orbit; Circumference walking mechanism and elevating mechanism are installed on mounting base, and circular orbit is installed around pipe circumference to be cut, the circumferentially orbital motion drive mounting base to move along pipe circumference to be cut of described circumference walking mechanism; Cutting mechanism is arranged on elevating mechanism end.
Described circular orbit is the tubular circular orbit that is spliced by cambered surface guide rail, be connected and fixed by trip bolt between cambered surface guide rail, circular orbit inner surface and pipeline external surface close contact to be cut, have the fin for increasing frictional force between circular orbit and pipeline inside described cambered surface guide rail.
Described mounting base is parallel to the phase tangent plane of circular orbit, with mounting base plane for datum level sets up plane coordinate system, with perpendicular to circular orbit axis direction for x-axis, to be parallel to circular orbit axis direction for y-axis
Described circumference walking mechanism comprises circumference movable motor, chain, sprocket wheel, tensioning apparatus and sprocket wheel gripper shoe, support wheel and support wheel installing plate,
Below the two ends, x-axis direction of described support wheel installing plate difference mounting base, wheel shaft is supported for fixing two, support the axis being parallel of wheel shaft and circular orbit, support wheel is arranged on respectively and supports wheel shaft two ends, the support wheel that every bar supports wheel shaft two ends can coordinate with circular orbit and support mounting base and keeping circumferentially orbital motion under the state parallel with circular orbit tangent plane
Described sprocket wheel gripper shoe is divided into initiatively gripper shoe and movable supporting plate, lays respectively at above two ends, mounting base x-axis direction; The wheel shaft of sprocket wheel is parallel to y-axis, comprises 1 drive sprocket, 2 driven sprockets and 1 movable sprocket wheel; Drive sprocket and movable sprocket wheel are arranged on active gripper shoe and movable supporting plate respectively, 2 driven sprockets are arranged in active gripper shoe and on movable supporting plate respectively, drive sprocket is driven by circumference movable motor, and movable sprocket wheel can translation and fixing along the x-axis direction under the effect of tensioning apparatus; Chain and sprocket wheel are joined and are combined through mounting base, chain can be made to be placed on annulus guide rail outer wall by tensioning apparatus adjustment activity sprocket position and tensioning is fixed, drive sprocket is driven to make mounting base circumferentially orbital motion under chain constraint by circumference movable motor, described movable supporting plate has the loose slot for movable sprocket wheel translation, loose slot one end open.
Described elevating mechanism comprises lifting motor, gear, tooth bar, tooth bar connecting plate, dovetail slide block and dovetail guide, described dovetail guide is vertically mounted on mounting base, dovetail slide block is arranged in dovetail guide, lifting motor is fixedly mounted in the middle part of mounting base, lifting motor can drive dovetail slide block to carry out elevating movement along dovetail guide by rack-and-pinion
The output shaft direction of described lifting motor is parallel with y-axis direction, the output shaft end of lifting motor is connected with elevating mechanism power transmission shaft by shaft coupling, elevating mechanism power transmission shaft end installs gear, is connected by tooth bar connecting plate with the tooth bar of gears meshing with dovetail slide block
Described cutting mechanism comprises cutting motor, cutting power transmission shaft, saw blade protective cover and saw blade; Described cutting machine motor is fixed on the inner side of dovetail slide block and is connected with cutting power transmission shaft one end by shaft coupling, the cutting power transmission shaft other end is fixedly connected with saw blade through after dovetail slide block, saw blade protective cover is depressed semicircle cylindricality cover, fixing and can surround saw blade the first half outside the outer wall of saw blade protective cover and dovetail slide block; The cylinder of saw blade protective cover has cooling water inlet.
Described tensioning apparatus comprises tensioning connecting plate, tensioning top board, tensioning screw and tensioning briquetting, and tensioning top board is fixed in the loose slot of movable sprocket wheel gripper shoe by tensioning connecting plate, and tensioning briquetting is connected with the sliding support end of movable sprocket wheel by screw, tensioning top end vertically connects tensioning and is close to fishplate bar, described tensioning top board can insert in the openend of loose slot and also be fixed in loose slot by being fixedly connected with movable supporting plate by tensioning connecting plate by whole tensioning apparatus, described tensioning screw runs through tensioning top board and stretches to loose slot inside along parallel with the direction of x-axis, rotatingly with tensioning screw end in the middle part of described tensioning briquetting to be vertically connected, tensioning briquetting end is connected with the axle ends of movable sprocket wheel, the distance between tensioning briquetting and tensioning connecting plate can be regulated thus make movable sprocket wheel carry out translation when rotating tensioning screw.
Preferably every bar circular orbit is spliced by 6 pieces of wide cambered surface guide rails, every block cambered surface guide rail two ends form projection and breach respectively, projection can embed in the breach of adjacent cambered surface guide rail just, projection and breach all have the screw mounting hole being parallel to circular orbit axis, and trip bolt passes screw mounting hole to complete being fastenedly connected adjacent cambered surface guide rail.
A kind of large-scale pipeline automatic gas cutting machine provided by the invention, compared with prior art has following beneficial effect
1) with the mounting platform of other mechanisms of mounting base, can enable mounting base under the effect of sprocket wheel, chain by the circumference walking mechanism running through mounting base, moved along pipe circumference to be cut by support wheel, to realize the basic demand of radial cuts, by elevating mechanism, cutting machine mechanism is mounted on above mounting base simultaneously, the distance of the saw blade of cutting mechanism and pipeline can be adjusted according to split requirement.
2) circumference walking mechanism and elevating mechanism all adopt different motors to drive, and can control it respectively, and what make large-scale pipeline automatic gas cutting machine of the present invention can complete different split requirement flexibly by connection control mechanism realizes radial slot.
3) adopt the x-axis position of tensioning apparatus to movable sprocket wheel regulate and fix, the frictional force between adjusting chain and circular orbit, thus mounting platform can circumferentially reliably be walked by track.Realize the radial cuts to large-scale pipeline.
Accompanying drawing explanation
The overall structure schematic diagram of large-scale pipeline automatic gas cutting machine of Fig. 1 for providing in the embodiment of the present invention;
The structural representation of the cutting mechanism of large-scale pipeline automatic gas cutting machine of Fig. 2 for providing in the embodiment of the present invention;
The structural representation of the elevating mechanism of large-scale pipeline automatic gas cutting machine of Fig. 3 for providing in the embodiment of the present invention;
The structural representation of the circumference walking mechanism of large-scale pipeline automatic gas cutting machine of Fig. 4 for providing in the embodiment of the present invention;
Fig. 5 is the structural representation of tensioning apparatus in the circumference walking mechanism of large-scale pipeline automatic gas cutting machine that provides in the embodiment of the present invention;
Fig. 6 is the circular orbit of large-scale pipeline automatic gas cutting machine that provides in the embodiment of the present invention and the structural representation of cambered surface guide rail;
In figure,
1. cutting mechanism, 11. cutting motors, 12. cutting power transmission shaft, 13. saw blade protective covers, 15. cooling water inlets, 16. saw blades,
2. elevating mechanism, 21. lifting motors, 23. elevating mechanism power transmission shafts, 24. gears, 25. tooth bars, 26. tooth bar connecting plates, 27. dovetail slide blocks, 28. dovetail guides,
3. circumference walking mechanism, 31. circumference walking mechanism driving-motor, 32. drive sprockets, 321. driven sprockets, 322. movable sprocket wheels, 33. main supporting plates, 34. chains, 35. movable supporting plates, 36. tensioning apparatus, 361. tensioning connecting plates, 362. tensioning top boards, 363. tensioning screws, 364. tensioning briquettings, 37. support wheel installing plates, 38. support wheels
4. mounting base, 5. circular orbit, 51. cambered surface guide rails, 52. trip bolts, 6. pipeline to be cut.
Detailed description of the invention
Embodiment
Large-scale pipeline automatic gas cutting machine provided by the invention comprises cutting mechanism 1, elevating mechanism 2, circumference walking mechanism 3, mounting base 4 and circular orbit 5; Circumference walking mechanism and elevating mechanism are installed on mounting base, and circular orbit is installed around pipeline 6 circumference to be cut, the circumferentially orbital motion drive mounting base to move along pipe circumference to be cut of described circumference walking mechanism; Cutting mechanism is arranged on elevating mechanism end.
Described circular orbit is the tubular circular orbit that is spliced by cambered surface guide rail 51, be connected and fixed by trip bolt 52 between cambered surface guide rail 51, circular orbit inner surface and pipeline external surface close contact to be cut, the fin for increasing frictional force between circular orbit and pipeline is had inside described cambered surface guide rail, every bar circular orbit is spliced by 6 pieces of wide cambered surface guide rails, every block cambered surface guide rail two ends form projection and breach respectively, projection can embed in the breach of adjacent cambered surface guide rail just, projection and breach all has the screw mounting hole being parallel to circular orbit axis, trip bolt passes screw mounting hole to complete being fastenedly connected adjacent cambered surface guide rail.
Described mounting base is parallel to the phase tangent plane of circular orbit, with mounting base plane for datum level sets up plane coordinate system, with perpendicular to circular orbit axis direction for x-axis, to be parallel to circular orbit axis direction for y-axis
Described circumference walking mechanism comprises circumference movable motor 31, chain 34, sprocket wheel, tensioning apparatus 36 and sprocket wheel gripper shoe, support wheel 38 and support wheel installing plate 37,
Below the two ends, x-axis direction of described support wheel installing plate difference mounting base, wheel shaft is supported for fixing two, support the axis being parallel of wheel shaft and circular orbit, support wheel is arranged on respectively and supports wheel shaft two ends, the support wheel that every bar supports wheel shaft two ends can coordinate with circular orbit and support mounting base and keeping circumferentially orbital motion under the state parallel with circular orbit tangent plane
Described sprocket wheel gripper shoe is divided into initiatively gripper shoe 33 and movable supporting plate 34, lays respectively at above two ends, mounting base x-axis direction; The wheel shaft of sprocket wheel is parallel to y-axis, comprises 1 drive sprocket, 32,2 driven sprockets 321 and 1 movable sprocket wheel 322; Drive sprocket and movable sprocket wheel are arranged on active gripper shoe and movable supporting plate respectively, 2 driven sprockets are arranged in active gripper shoe and on movable supporting plate respectively, drive sprocket is driven by circumference movable motor, and movable sprocket wheel can translation and fixing along the x-axis direction under the effect of tensioning apparatus; Chain and sprocket wheel are joined and are combined through mounting base, chain can be made to be placed on annulus guide rail outer wall and tensioning is fixed by tensioning apparatus adjustment activity sprocket position, drive drive sprocket to make mounting base circumferentially orbital motion under chain constraint by circumference movable motor,
Described movable supporting plate has the loose slot for movable sprocket wheel translation, loose slot one end open,
Described tensioning apparatus comprises tensioning connecting plate 361, tensioning top board 362, tensioning screw 363 and tensioning briquetting 364, tensioning top board is fixed in the loose slot of movable sprocket wheel gripper shoe by tensioning connecting plate, and tensioning briquetting 364 is connected by the sliding support end of screw with movable sprocket wheel 322, tensioning top end vertically connects tensioning and is close to fishplate bar, described tensioning top board can insert in the openend of loose slot and also be fixed in loose slot by being fixedly connected with movable supporting plate by tensioning connecting plate by whole tensioning apparatus, described tensioning screw runs through tensioning top board and stretches to loose slot inside along parallel with the direction of x-axis, rotatingly with tensioning screw end in the middle part of described tensioning briquetting to be vertically connected, tensioning briquetting end is connected with the axle ends of movable sprocket wheel, the distance between tensioning briquetting and tensioning connecting plate can be regulated thus make movable sprocket wheel carry out translation when rotating tensioning screw
Described elevating mechanism comprises lifting motor 21, gear 24, tooth bar 25, tooth bar connecting plate 26, dovetail slide block 27 and dovetail guide 28, described dovetail guide is vertically mounted on mounting base, the installation site of dovetail guide on mounting base is close to the side of mounting base, dovetail slide block is arranged in dovetail guide 28, lifting motor is fixedly mounted in the middle part of mounting base, lifting motor can drive dovetail slide block to carry out elevating movement along dovetail guide by rack-and-pinion
The output shaft direction of described lifting motor is parallel with y-axis direction, the output shaft end of lifting motor is connected with elevating mechanism power transmission shaft 23 by shaft coupling, elevating mechanism power transmission shaft end installs gear, is connected by tooth bar connecting plate 26 with the tooth bar of gears meshing with dovetail slide block
Described cutting mechanism comprises cutting motor 11, cutting power transmission shaft 12, saw blade protective cover 13 and saw blade 16; Described cutting machine motor is fixed on the inner side of dovetail slide block 27 and is connected with cutting power transmission shaft one end by shaft coupling, the cutting power transmission shaft other end is fixedly connected with saw blade 16 through after dovetail slide block, saw blade protective cover 13 is depressed semicircle cylindricality cover, fixing and can surround saw blade the first half outside the outer wall of saw blade protective cover and dovetail slide block; The cylinder of saw blade protective cover 13 has cooling water inlet 15.
Large-scale pipeline automatic gas cutting machine operation principle provided by the invention comprises the following steps:
1) original state, by being enclosed within the periphery of pipeline to be cut after cambered surface guide rail is spliced into circular orbit, adopts trip bolt to connect between cambered surface guide rail, and tightens trip bolt and make circular orbit hold pipeline tightly; The mounting base assembled with circumference walking mechanism, elevating mechanism and cutting mechanism is arranged on circular orbit, the convex edge of support wheel and circular orbit are fitted, make tensioning pressing plate drive activity sprocket wheel mobile with the elasticity of adjusting chain along the x-axis direction in the loose slot of movable supporting plate by the tensioning screw rotated in tensioning apparatus, make the chain tension be enclosed within circular orbit, the tensile force of chain will ensure at large-scale pipeline automatic gas cutting machine operationally, to there will not be slip between chain and circular orbit; Cooling water pipeline is accessed the cooling water inlet on saw blade protective cover.
2) duty, step 1) complete after, switch on power, open cooling water pipeline switch, cutting motor drives saw blade to rotate.Lifting motor drives dovetail slide block slide downward by rack-and-pinion, make saw blade contact pipeline to be cut slowly to start to cut, after being cut to appropriate depth, lifting motor stops operating and locks, circumference movable motor start drive sprocket rotation and by coordinate with sprocket wheel the mounting base of drive slowly of chain circumferentially track move in a circle one week, realize the radial cuts to pipeline to be cut.After having cut, lifting motor reverses, and drives dovetail slide block to move upward, and stops operating and locks, complete cutting work after final drive cutting motor gets back to initial position.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (3)
1. large-scale pipeline automatic gas cutting machine, is characterized in that described large-scale pipeline automatic gas cutting machine comprises cutting mechanism, elevating mechanism, circumference walking mechanism, mounting base and circular orbit; Circumference walking mechanism and elevating mechanism are installed on mounting base, and circular orbit is installed around pipe circumference to be cut, the circumferentially orbital motion drive mounting base to move along pipe circumference to be cut of described circumference walking mechanism; Cutting mechanism is arranged on elevating mechanism end;
Described circular orbit is the tubular circular orbit that is spliced by cambered surface guide rail, be connected and fixed by trip bolt between cambered surface guide rail, circular orbit inner surface and pipeline external surface close contact to be cut, have the fin for increasing frictional force between circular orbit and pipeline inside described cambered surface guide rail;
Described mounting base is parallel to the phase tangent plane of circular orbit, with mounting base plane for datum level sets up plane coordinate system, with perpendicular to circular orbit axis direction for x-axis, to be parallel to circular orbit axis direction for y-axis;
Described circumference walking mechanism comprises circumference movable motor, chain, sprocket wheel, tensioning apparatus and sprocket wheel gripper shoe, support wheel and support wheel installing plate,
Below the two ends, x-axis direction of described support wheel installing plate difference mounting base, wheel shaft is supported for fixing two, support the axis being parallel of wheel shaft and circular orbit, support wheel is arranged on respectively and supports wheel shaft two ends, the support wheel that every bar supports wheel shaft two ends can coordinate with circular orbit and support mounting base and keeping circumferentially orbital motion under the state parallel with circular orbit tangent plane
Described sprocket wheel gripper shoe is divided into initiatively gripper shoe and movable supporting plate, lays respectively at above two ends, mounting base x-axis direction; The wheel shaft of sprocket wheel is parallel to y-axis, comprises 1 drive sprocket, 2 driven sprockets and 1 movable sprocket wheel; Drive sprocket and movable sprocket wheel are arranged on active gripper shoe and movable supporting plate respectively, 2 driven sprockets are arranged in active gripper shoe and on movable supporting plate respectively, drive sprocket is driven by circumference movable motor, and movable sprocket wheel can translation and fixing along the x-axis direction under the effect of tensioning apparatus; Chain and sprocket wheel are joined and are combined through mounting base, chain can be made to be placed on annulus guide rail outer wall by tensioning apparatus adjustment activity sprocket position and tensioning is fixed, drive sprocket is driven to make mounting base circumferentially orbital motion under chain constraint by circumference movable motor, described movable supporting plate has the loose slot for movable sprocket wheel translation, loose slot one end open;
Described elevating mechanism comprises lifting motor, gear, tooth bar, tooth bar connecting plate, dovetail slide block and dovetail guide, described dovetail guide is vertically mounted on mounting base, dovetail slide block is arranged in dovetail guide, lifting motor is fixedly mounted in the middle part of mounting base, and lifting motor can drive dovetail slide block to carry out elevating movement along dovetail guide by rack-and-pinion;
The output shaft direction of described lifting motor is parallel with y-axis direction, the output shaft end of lifting motor is connected with elevating mechanism power transmission shaft by shaft coupling, elevating mechanism power transmission shaft end installs gear, is connected by tooth bar connecting plate with the tooth bar of gears meshing with dovetail slide block
Described cutting mechanism comprises cutting motor, cutting power transmission shaft, saw blade protective cover and saw blade; Described cutting machine motor is fixed on the inner side of dovetail slide block and is connected with cutting power transmission shaft one end by shaft coupling, the cutting power transmission shaft other end is fixedly connected with saw blade through after dovetail slide block, saw blade protective cover is depressed semicircle cylindricality cover, fixing and can surround saw blade the first half outside the outer wall of saw blade protective cover and dovetail slide block; The cylinder of saw blade protective cover has cooling water inlet.
2. large-scale pipeline automatic gas cutting machine as claimed in claim 1, it is characterized in that described tensioning apparatus comprises tensioning connecting plate, tensioning top board, tensioning screw and tensioning briquetting, tensioning top board is fixed in the loose slot of movable sprocket wheel gripper shoe by tensioning connecting plate, and tensioning briquetting is connected with the sliding support end of movable sprocket wheel by screw, tensioning top end vertically connects tensioning and is close to fishplate bar, described tensioning top board can insert in the openend of loose slot and also be fixed in loose slot by being fixedly connected with movable supporting plate by tensioning connecting plate by whole tensioning apparatus, described tensioning screw runs through tensioning top board and stretches to loose slot inside along parallel with the direction of x-axis, rotatingly with tensioning screw end in the middle part of described tensioning briquetting to be vertically connected, tensioning briquetting end is connected with the axle ends of movable sprocket wheel, the distance between tensioning briquetting and tensioning connecting plate can be regulated thus make movable sprocket wheel carry out translation when rotating tensioning screw.
3. large-scale pipeline automatic gas cutting machine as claimed in claim 1 or 2, it is characterized in that every bar circular orbit is spliced by 6 pieces of wide cambered surface guide rails, every block cambered surface guide rail two ends form projection and breach respectively, projection can embed in the breach of adjacent cambered surface guide rail just, projection and breach all have the screw mounting hole being parallel to circular orbit axis, and trip bolt passes screw mounting hole to complete being fastenedly connected adjacent cambered surface guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610107399.2A CN105562818A (en) | 2016-02-27 | 2016-02-27 | Automatic large pipeline cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610107399.2A CN105562818A (en) | 2016-02-27 | 2016-02-27 | Automatic large pipeline cutting machine |
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| CN105562818A true CN105562818A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610107399.2A Pending CN105562818A (en) | 2016-02-27 | 2016-02-27 | Automatic large pipeline cutting machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105817828A (en) * | 2016-05-25 | 2016-08-03 | 重庆芦霖建材厂 | Gas pipeline positioning clamp |
| CN107598273A (en) * | 2017-09-07 | 2018-01-19 | 上海交大海科检测技术有限公司 | Device and method is cut under the mud removed with Yu Haiyang abandoned well platform pipe |
| CN108372325A (en) * | 2018-05-03 | 2018-08-07 | 天津市华江文教用品有限公司 | Pipe cutting machine and pipe installation |
| CN109262801A (en) * | 2018-10-19 | 2019-01-25 | 中铁局集团厦门建设工程有限公司 | A kind of prefabricated component finisher |
| CN112454490A (en) * | 2020-11-05 | 2021-03-09 | 江西平高电器有限公司 | A processingequipment for PVC electric power pipe |
| CN114505902A (en) * | 2022-02-17 | 2022-05-17 | 陈国森 | Cutting device for processing large PVC pipeline |
| CN114769715A (en) * | 2022-04-25 | 2022-07-22 | 湖南机电职业技术学院 | Rail type large-diameter pipeline cutting device |
| CN117428411A (en) * | 2023-12-07 | 2024-01-23 | 四川佳衡建设工程有限公司 | Continuous welding device for outer cylinder of rotary kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105817828A (en) * | 2016-05-25 | 2016-08-03 | 重庆芦霖建材厂 | Gas pipeline positioning clamp |
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| CN109262801B (en) * | 2018-10-19 | 2023-07-07 | 中铁一局集团有限公司 | Prefab plastering machine |
| CN112454490A (en) * | 2020-11-05 | 2021-03-09 | 江西平高电器有限公司 | A processingequipment for PVC electric power pipe |
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Application publication date: 20160511 |