CN115041770A - S-shaped bend blanking system convenient for single-person operation and blanking method - Google Patents
S-shaped bend blanking system convenient for single-person operation and blanking method Download PDFInfo
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- CN115041770A CN115041770A CN202210073779.4A CN202210073779A CN115041770A CN 115041770 A CN115041770 A CN 115041770A CN 202210073779 A CN202210073779 A CN 202210073779A CN 115041770 A CN115041770 A CN 115041770A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 115
- 238000003466 welding Methods 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 239000003209 petroleum derivative Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
- B23K7/105—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/008—Preliminary treatment
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Abstract
The invention provides an S-shaped bend blanking system convenient for single-person operation and a blanking method, wherein the S-shaped bend blanking system convenient for single-person operation comprises a pipeline cutting component, a cylinder shaft, a shaft sleeve and an elbow pipeline, wherein the cylinder shaft is horizontally and fixedly arranged relative to the ground; the shaft sleeve is fixedly arranged on an opening at one end of the cylinder shaft; one end of the elbow pipeline passes through the shaft sleeve and enters the cylinder shaft, and the axis of the elbow pipeline is parallel to the ground; the shaft sleeve can fix the elbow pipeline and is also provided with a positioning reference line and a notch; pipeline cutting part includes pipeline cutting torch and pipeline cutting main part, and pipeline cutting torch sets up on the axle sleeve, and the pipeline cutting main part sets up on the barrel arbor, and pipeline cutting torch can center on barrel arbor annular cutting elbow pipeline automatically, and the group is to obtaining S pipeline. The invention adopts the base support, does not need manual support and can realize single-person operation; the cutting precision of the elbow is improved by positioning the datum line of the shaft sleeve; the shaft sleeve is provided with a notch, so that the cutting efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of pipelines, and particularly relates to an S-bend blanking system and a blanking method convenient for single-person operation.
Background
With the development of the petroleum, natural gas and chemical industries, the pipeline is more and more important, and the pipeline has wide application range and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices. In the process of pipeline installation, maintenance and technical transformation, elbow pipe fittings with larger diameters are often used, and the pipe fittings formed by stamping not only need to be manufactured in advance, but also are expensive. Pipeline cutting operation in an oil and gas environment, pipeline cutting operation in a coal mine gas environment, pipeline cutting operation of flammable and explosive chemicals and the like all need a cutter to cut pipelines. Especially, the danger exists in the pipeline cutting, opening repairing and beveling in the dangerous chemical environment and the flammable and explosive occasions.
In the existing mechanical processing industry, the pipeline is cut by manually measuring the length and manually supporting the pipeline. However, in the process, due to the fact that shaking is easy to occur due to manual support, the flatness of the port for pipeline cutting is poor, much labor is spent, the concentric precision is low, and the cutting precision is poor. Meanwhile, the traditional cutting system is large in size, complex in structure and inconvenient to operate on site.
Disclosure of Invention
The present invention aims to address at least one of the above-mentioned deficiencies of the prior art. For example, it is an object of the present invention to provide an S-bend blanking system that is easily operated by a single person. Another object of the present invention is to provide an S-bend blanking method which is convenient for single person operation.
In order to achieve the above object, an aspect of the present invention provides an S-bend blanking system convenient for single operator, including a pipe cutting component, a cylinder shaft, a shaft sleeve and an elbow pipe, wherein the cylinder shaft is horizontally and fixedly arranged relative to the ground; the shaft sleeve is fixedly arranged on an opening at one end of the cylinder shaft; one end of the elbow pipeline penetrates through the shaft sleeve and enters the cylinder shaft, and the axis of the elbow pipeline is parallel to the ground; the elbow pipeline can be fixed by the shaft sleeve, and a positioning datum line and a notch are further arranged on the shaft sleeve; the pipeline cutting part comprises a pipeline cutting gun and a pipeline cutting main body, the pipeline cutting gun is arranged on the shaft sleeve, the pipeline cutting main body is arranged on the barrel shaft, and the pipeline cutting gun can automatically cut around the barrel shaft in an annular mode to enable the elbow pipeline to carry out blanking.
In an exemplary embodiment of the present invention, the S-bend blanking system may further include a base disposed on the ground and fixedly connected with the spool to support the spool, the base further being capable of supporting the elbow conduit.
In an exemplary embodiment of the present invention, the bushing may include a jackscrew and a pad, the pad having a shape of a circular ring with a notch, and the jackscrew is disposed on the pad in a radial direction of the circular ring.
The invention also provides an S-bend blanking method convenient for single-person operation, which is realized by adopting the S-bend blanking system and comprises the following steps: measuring the radius of the elbow pipeline, and calculating the angle of the elbow pipeline, the length of the connecting short joint, the length of the long straight pipe and the length of the elbow core; drawing a central line on an elbow pipeline, measuring an angle required by an elbow, and cutting a cutting line; one end of the elbow pipeline is placed in the cylinder shaft, the other end of the elbow pipeline is placed on the base, the position of the elbow pipeline is adjusted, the datum line on the shaft sleeve is aligned with the cutting line on the elbow pipeline, and the elbow pipeline is fixed on the shaft sleeve through jackscrews; placing a pipeline cutting gun at the notch on the shaft sleeve for preheating, and rotating a pipeline cutting machine around the cylinder shaft for a circle after preheating to perform annular cutting on the elbow pipeline; and repeating the steps, and cutting the other end of the elbow pipeline to obtain the semi-S-shaped elbow pipeline.
In an exemplary embodiment of the present invention, the S-bend blanking method may further include the steps of: and polishing the semi-S-shaped bent pipeline after cutting, rechecking the size, and pairing the two semi-S-shaped bent pipelines, the connecting short joint and the long straight pipe group to obtain an S-shaped bent pipeline blanking pipeline.
In an exemplary embodiment of the present invention, the S-bend blanking method may further include the steps of: the measuring tool, the power line, the stone pen, the scriber, the angle square, the straight ruler, the universal angle square, the angle grinder and the flame cutting machine are transported to an operation site, installed and debugged, and the ovality and the verticality error of the elbow pipe orifice are tested.
In an exemplary embodiment of the present invention, the length X and the elbow angle α of the connection short can be calculated by equations (1) and (2), where equations (1) and (2) are:
in the formula, X is the length of the connecting short circuit and is in unit mm; alpha is the angle, degree, of the bend to be cut; r is the elbow radius in mm; a is the horizontal length of the orifice of the straight pipe, and mm, and B is the vertical distance of the center of the orifice of the straight pipe, and mm.
In an exemplary embodiment of the present invention, the grinding the cut half S-turn pipe further comprises the steps of: and (4) grinding the blunt edges and the grooves at the two ends of the semi-S-shaped bent pipeline, and checking the parallelism and the verticality.
In an exemplary embodiment of the invention, the pairing further comprises the steps of: marking required dimensions on the ground, and according to the marked dimensions, enabling the cut and polished half elbow, the connecting short joint and the long straight pipe to be on the same horizontal plane; the welding ruler and the universal angle ruler are adopted for measurement, and the opening aligning gap, the connection short joint, the size of the long straight pipe inclined opening and the misalignment are guaranteed to be qualified.
In an exemplary embodiment of the invention, the pairing further comprises the steps of: a spot welding mode is adopted to group the half S-shaped bent pipeline, and 3-6 points are uniformly spot-welded at each butt joint.
Compared with the prior art, the beneficial effects of the invention can include:
1) the base is adopted for supporting, manual support is not needed, single-person operation can be realized, and the labor intensity of workers for cutting is reduced;
2) the pipe cutting component does circular motion on the cylinder shaft by adopting the cylinder shaft, so that the annular cutting of the elbow is realized;
3) the notch of the elbow is more orderly through the positioning of the datum line of the shaft sleeve, and the cutting precision of the elbow is improved;
4) the shaft sleeve is provided with the notch, so that the preheating of the pipeline cutting gun is realized, and the cutting efficiency is improved;
5) the method and the equipment are suitable for field construction operation.
Drawings
FIG. 1 illustrates a front view of an S-bend blanking system for facilitating single-person operation in accordance with an exemplary embodiment of the present invention.
Fig. 2 shows a side view of fig. 1.
Fig. 3 shows a schematic view of a bushing structure according to an exemplary embodiment of the present invention.
Figure 4 shows a line drawing of an elbow conduit according to an exemplary embodiment of the present invention.
Fig. 5 shows a group pairing diagram of an exemplary embodiment of the present invention.
Fig. 6 shows a flow chart of an S-bend blanking method for facilitating single-person operation according to an exemplary embodiment of the present invention.
The reference numerals are illustrated below:
1-pipeline cutting component, 101-pipeline cutting gun, 102-pipeline cutting main body, 2-cylinder shaft, 3-shaft sleeve,
301-jackscrew, 302-sticking disc, 303-datum line, 4-base, 401-main support frame, 402-auxiliary support frame,
403-bottom plate, 5-elbow pipeline, 6-half S-shaped pipeline, 7-connecting short joint and 8-long straight pipe.
Detailed Description
Hereinafter, an S-bend blanking system and a blanking method facilitating single-person operation of the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.
First exemplary embodiment
In a first exemplary embodiment of the present invention, an S-bend blanking system for facilitating single-person operation includes a pipe cutting component, a spool, a bushing, and an elbow pipe. Wherein, the bobbin shaft is the horizontal fixed setting relatively, and the axle sleeve is fixed to be set up on the opening of bobbin shaft one end. One end of the elbow pipeline penetrates through the shaft sleeve and enters the cylinder shaft, and the axis of the elbow pipeline is parallel to the ground. The axle sleeve can elbow pipeline and barrel arbor be fixed, still is provided with the benchmark line that is used for the location on the axle sleeve and supplies the breach that the pipeline cutting torch preheated. The pipeline cutting part comprises a pipeline cutting gun and a pipeline cutting main body, the pipeline cutting gun is arranged on the pipeline cutting main body, the pipeline cutting main body is arranged on the barrel shaft, and the pipeline cutting gun can automatically cut elbow pipelines around the barrel shaft in an annular mode to perform blanking.
Alternatively, the pipe cutting body may be attached to the spool by magnetic force or may be fixed to the spool by a rail type chain.
The cylinder shaft is a metal steel pipe, and the surface of the cylinder shaft is polished to ensure that the pipeline cutting main body can stably walk on the surface of the cylinder shaft at a constant speed.
Wherein, the elbow pipeline can be a 90-degree hot-roasted elbow, and also can be other angles, and the angle of the elbow to be cut is larger than the angle of the elbow pipeline obtained by the formula (2).
Wherein, pipeline cutting main part carries the pipeline cutting rifle and can obtain half S elbow pipe way around section of thick bamboo axle annular cutting elbow pipe way automatically, and the group is to obtaining S elbow pipe way.
In an exemplary embodiment of the present invention, the S-bend blanking system may further include a base, the base being disposed on the ground and fixedly connected with the spool to support the spool, the base also being capable of supporting the elbow conduit.
Wherein, the base includes main support frame, supplementary support frame and bottom plate. The bottom plate is arranged on the ground, the main support frame and the auxiliary support frame are vertically arranged on the bottom plate, and the main support frame supports the cylinder shaft. The auxiliary support frame is provided with a disc, the disc supports the elbow pipeline, the disc is in threaded connection with the auxiliary support frame, and the height of the support disc can be adjusted according to different diameters of the elbow pipeline, so that the elbow pipeline and the cylinder shaft are coaxial.
In an exemplary embodiment of the invention, the shaft sleeve may include a jackscrew and a pad, the pad is in the shape of a circular ring with a notch, and the jackscrew is arranged on the pad along the radial direction of the circular ring.
In particular, the pipe cutting torch due to the cutting means performs flame cutting. The notch at the flame cutting metal firing position is uneven and flat, so that the notch is arranged as the ignition starting position during flame cutting, and the elbow is cut along the outer edge of the circular ring stably after the flame starts to cut the elbow stably, so that the cut elbow notch is parallel and level.
Optionally, the sticking disc is a circumference, threaded holes which are radially arranged are uniformly distributed in the circumference, the jackscrews are screws, and the elbow pipeline is fixed through the rotation of the screws in the threaded holes.
Second exemplary embodiment
FIG. 1 illustrates a front view of an S-bend blanking system for facilitating single-person operation in accordance with an exemplary embodiment of the present invention. Fig. 2 shows a side view of fig. 1.
In a second exemplary embodiment of the present invention, an S-bend blanking system for facilitating single-person operation, as shown in fig. 1 to 3, includes a pipe cutting part 1, a bobbin 2, a sleeve 3, and an elbow pipe 5. Wherein, the ground relative to the bobbin shaft 2 is horizontally fixed and arranged, and the shaft sleeve 3 is fixedly arranged on an opening at one end of the bobbin shaft 2. One end of the elbow pipeline 5 passes through the shaft sleeve 3 and enters the cylinder shaft 2, and the axis of the elbow pipeline 5 is parallel to the ground. The shaft sleeve 3 can be used for fixing the elbow pipeline 5 and the barrel shaft 2, and the shaft sleeve 3 is further provided with a datum line 303 for positioning and a notch for preheating a pipeline cutting gun. Pipeline cutting part 1 includes pipeline cutting torch 101 and pipeline cutting main part 102, and the pipeline cutting torch setting is on axle sleeve 3, and the pipeline cutting main part sets up on barrel arbor 2, and pipeline cutting part 1 can obtain the S curved pipe way around 2 annular cutting elbow pipes 5 of barrel arbor automatically.
Wherein, pipeline cutting torch 101 can be along the adjustment cutting position of section of thick bamboo axle 2 axial direction for the actual line of cut can walk along the elbow line of cut. The angle (0-90 degrees) of the pipeline cutting gun 101 is adjusted, so that the angle of the cut elbow groove meets the production requirements.
Specifically, the reference line 303 is an inner circular arc outside the sleeve 3, and the reference line 303 coincides with the bend cutting line during cutting.
In an exemplary embodiment of the present invention, as shown in fig. 1 and 2, the S-bend blanking system may further include a base 4, the base 4 being disposed on the ground and fixedly connected with the spool 2 to support the spool 2, the base 4 being further capable of supporting the elbow pipe 5.
Alternatively, the base 4 comprises a main support frame 401, an auxiliary support frame 402 and a bottom plate 403, the bottom plate 403 is arranged on the ground, the main support frame 401 and the auxiliary support frame 402 are vertically arranged on the bottom plate 403, the main support frame 401 supports the drum shaft 2, and the auxiliary support frame 402 supports the elbow pipe 5.
Fig. 3 shows a schematic view of a bushing structure according to an exemplary embodiment of the present invention. In an exemplary embodiment of the present invention, as shown in fig. 3, the shaft sleeve 3 may include a jackscrew 301 and a pad 302, the pad 302 is in a shape of a circular ring with a notch, and the jackscrew 301 is disposed on the pad 302 along a radial direction of the circular ring.
Alternatively, the sticking disc 302 is a circumference, threaded holes are uniformly distributed on the circumference in a radial arrangement, the jackscrews 301 are screws, and the elbow pipeline is fixed by the rotation of the screws in the threaded holes.
Third exemplary embodiment
In a third exemplary embodiment of the present invention, an S-bend blanking method convenient for single-person operation is implemented by using the above-mentioned S-bend blanking system, and the S-bend blanking method includes the following steps: measuring the radius of the elbow pipeline, and calculating the angle of the elbow pipeline, the length of the connecting short joint, the length of the long straight pipe and the length of the elbow core; drawing a central line on an elbow pipeline, measuring an angle required by an elbow, and cutting a cutting line; one end of the elbow pipeline is placed in the cylinder shaft, the other end of the elbow pipeline is placed on the base, the position of the elbow pipeline is adjusted, the datum line on the shaft sleeve is aligned with the cutting line on the elbow pipeline, and the elbow pipeline is fixed on the shaft sleeve through jackscrews; placing a pipeline cutting gun at the notch on the shaft sleeve for preheating, and rotating the pipeline cutting machine around the cylinder shaft for a circle after preheating to perform annular cutting on the elbow pipeline; and repeating the steps, and cutting the other end of the elbow pipeline to obtain the semi-S-shaped elbow pipeline. Figure 4 shows a line drawing schematic of an elbow conduit of an exemplary embodiment of the present invention. As shown in fig. 4, drawing a central line on an elbow pipeline, measuring the angle required by the elbow and cutting a cutting line.
Fig. 5 shows a group pairing diagram of an exemplary embodiment of the present invention. In an exemplary embodiment of the present invention, as shown in fig. 5, the S-bend blanking method may further include the steps of: and (3) polishing the S-shaped bent pipeline 6 after the cutting, rechecking the size, and assembling the two S-shaped bent pipelines 6, the connecting short joint 7 and the long straight pipe 8 to obtain the S-shaped bent pipeline blanking pipeline.
As shown in FIG. 5, the length of the long straight tube is d, which may be 400 mm. The two long straight pipes are generally parallel straight pipes, and the pipe orifices of the long straight pipes are perpendicular to the central line of the pipes. If the two long straight pipes are not parallel, the middle pipe orifices of the two long straight pipes need to be cut and polished, so that the two pipe orifices are ensured to be parallel. The two sides of the outer ends of the two long straight pipes are generally connected with other pipelines or not connected with other structures. A is the horizontal length of the orifice of the straight pipe, and B is the vertical distance of the center of the orifice of the straight pipe. In an exemplary embodiment of the present invention, the S-bend blanking method may further include the steps of: the measuring tool, the power line, the stone pen, the scriber, the angle square, the straight ruler, the universal angle square, the angle grinder and the flame cutting machine are transported to an operation site, installed and debugged, and the ovality and the verticality error of the elbow pipe orifice are tested.
In an exemplary embodiment of the present invention, the length X of the connection short and the elbow angle α can be calculated by equations (1) and (2), where equations (1) and (2) are:
in the formula, X is the length of the connecting short circuit and is in unit mm; alpha is the angle of the bend to be cut, degree; r is the elbow radius in mm; a is the horizontal length of the pipe orifice of the two long straight pipes, and mm, and B is the vertical distance of the centers of the pipe orifices of the two long straight pipes, and mm.
In an exemplary embodiment of the present invention, grinding the cut half S-bend pipeline further comprises the steps of: and (4) polishing the truncated edges and the grooves at the two ends of the semi-S-shaped bent pipeline, and checking the parallelism and the verticality.
In an exemplary embodiment of the invention, the pairing further comprises the steps of: marking required dimensions on the ground, and assembling the cut and polished half elbow, the connecting short joint and the long straight pipe on the same horizontal plane according to the marked dimensions; the welding ruler and the universal angle ruler are adopted for measurement, and the opening aligning gap, the size of the long straight pipe inclined opening and the misalignment are guaranteed to be qualified.
In an exemplary embodiment of the invention, the pairing further comprises the steps of: a spot welding mode is adopted to group the half S-shaped bent pipeline, and 3-6 points are uniformly spot-welded on each butt joint.
Fig. 6 shows a flow chart of an S-bend blanking method for facilitating single-person operation according to an exemplary embodiment of the present invention. As shown in fig. 6, the blanking method includes:
(1) the required equipment and tools are transported to the site, the tools and equipment are inspected, and the operation is prepared.
(2) And (6) measuring the elbow pipeline.
(3) And calculating the angle of the half S-shaped bent pipeline and the length of the connecting short joint by using a formula.
(4) And (3) drawing an outer arc line, an inner arc line and two side lines of the central line of the elbow on the elbow pipeline by using a professional scriber or working of copper sheets and aluminum sheets. Measuring the angle required by the elbow and cutting a cutting line.
(5) And performing annular cutting on the elbow pipeline.
(6) And (4) grinding the blunt edges and the grooves at the two ends of the semi-S-shaped bent pipeline, and checking the parallelism and the verticality.
(7) And connecting the S-shaped bent pipeline and the short joint in a butt welding mode.
(8) And finishing S-bend blanking assembly and cleaning the operation site.
To better understand the above exemplary embodiments of the present invention, an S-bend blanking method convenient for single person operation is described below with reference to specific examples.
S1: the preparation before operation specifically comprises the following steps:
the required tools and devices such as a measuring tool, a power line, an angle grinder, a flame cutting machine, a stone pen, a scriber, an angle square, a ruler and a universal angle square are transported to an operation site, the ovality of the orifice of the elbow is tested, whether the verticality error is out of tolerance is detected, whether the operation tools are complete is checked, and the required devices are installed and debugged.
S2: the elbow measurement specifically comprises the following steps:
and measuring the elbow by adopting a professional measuring tool, judging whether the elbow is qualified, recording the radius R of the elbow if the elbow is qualified, and calculating the actual angle alpha of the elbow and the length of the connecting short circuit.
S3: the formula calculation specifically comprises the following steps:
using the formula:
in the formula, X is the length of the connecting short circuit and is in unit mm; alpha is the angle, degree, of the bend to be cut; r is the elbow radius in mm; a is the horizontal length of the orifice of the straight pipe, and mm, and B is the vertical distance of the center of the orifice of the straight pipe, and mm.
S4: the line drawing operation specifically comprises the following steps:
a special line drawing device is adopted to draw the central line of the elbow pipeline, measure the angle required by the elbow pipeline and cut the cutting line.
S5: the cutting operation specifically comprises the following steps:
s51: a cylinder shaft and a base are adopted to support an elbow pipeline;
s52: adjusting the position of the elbow pipeline to align the datum line on the shaft sleeve with the datum line on the elbow pipeline;
s53: the shaft sleeve is fixed with the elbow by adopting a jackscrew;
s54: starting a pipeline cutting machine, and preheating a pipeline cutting gun at the notch of the shaft sleeve;
s55: after the preheating is finished, the pipeline cutting machine rotates for a circle around the cylinder shaft to perform annular cutting on the elbow pipeline;
s56: taking the waste material after the first cutting out from the cylinder shaft, turning the direction of the elbow pipeline, and repeating the operation on the other end;
s57: repeating the operation, and cutting the second elbow pipeline;
s58: and connecting short joints with 400mm long straight pipes.
S6: the polishing operation specifically comprises the following steps:
s61: polishing the cut half S-shaped elbow pipeline by using an angle grinder, and ensuring that the truncated edge and the groove angle of the cut half S-shaped elbow pipeline are qualified, the pipe orifice flatness, the groove angle 30, the parallelism and the verticality;
s62: and (4) checking the size.
S7: the pairing operation specifically comprises the following steps:
s71: marking out required sizes on the ground by adopting a ruler and chalk;
s72: according to the marked size, the cut and polished half S-shaped elbow pipeline and the short connection and long straight pipe are positioned on the same horizontal plane;
s73: the welding ruler and the universal angle ruler are adopted for measurement, so that the opening aligning gap, the short connection joint, the size of the inclined opening of the long straight pipe and the misalignment are qualified;
s74: and (4) assembling the S-shaped bend in a spot welding mode, wherein each spot is uniformly welded for 4 points, and 16 points are counted.
S8: and finishing S-bend blanking assembly and cleaning the operation site.
Although the present invention has been described above in connection with exemplary embodiments, it will be apparent to those skilled in the art that various modifications and changes may be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The S-shaped bend blanking system convenient for single-person operation is characterized by comprising a pipeline cutting component, a cylinder shaft, a shaft sleeve and an elbow pipeline,
the cylinder shaft is horizontally and fixedly arranged relative to the ground;
the shaft sleeve is fixedly arranged on an opening at one end of the cylinder shaft;
one end of the elbow pipeline penetrates through the shaft sleeve and enters the cylinder shaft, and the axis of the elbow pipeline is parallel to the ground;
the elbow pipeline can be fixed by the shaft sleeve, and a positioning datum line and a notch are further arranged on the shaft sleeve;
the pipeline cutting part includes pipeline cutting torch and pipeline cutting main part, the pipeline cutting torch sets up on the axle sleeve, the pipeline cutting main part sets up on the barrel arbor, the pipeline cutting torch can be automatic around the cutting of barrel arbor annular the elbow pipeline carries out the unloading.
2. The S-bend blanking system for facilitating one-man operation of claim 1 further comprising a base, said base disposed on the ground and fixedly connected with the spool to support the spool, said base further capable of supporting said elbow conduit.
3. The S-bend blanking system convenient for single person operation according to claim 1, wherein the shaft sleeve comprises a jackscrew and a pad, the pad is in a shape of a circular ring with a notch, and the jackscrew is arranged on the pad along the radial direction of the circular ring.
4. An S-bend blanking method convenient for single-person operation, characterized in that the S-bend blanking method is realized by the S-bend blanking system as claimed in any one of claims 1-3, and the S-bend blanking method comprises the following steps:
measuring the radius of the elbow pipeline, and calculating the angle of the elbow pipeline, the length of the connecting short joint, the length of the long straight pipe and the length of the elbow core;
drawing a central line on an elbow pipeline, measuring an angle required by an elbow, and cutting a cutting line;
one end of the elbow pipeline is placed in the cylinder shaft, the other end of the elbow pipeline is placed on the base, the position of the elbow pipeline is adjusted, the datum line on the shaft sleeve is aligned with the cutting line on the elbow pipeline, and the elbow pipeline is fixed on the shaft sleeve through jackscrews;
placing a pipeline cutting gun at the notch on the shaft sleeve for preheating, and rotating the pipeline cutting machine around the cylinder shaft for a circle after preheating to perform annular cutting on the elbow pipeline;
and repeating the steps, and cutting the other end of the elbow pipeline to obtain the semi-S-shaped elbow pipeline.
5. The S-bend blanking method convenient for single person operation as claimed in claim 4, further comprising the steps of:
and polishing the semi-S-shaped bent pipeline after cutting, rechecking the size, and pairing the two semi-S-shaped bent pipelines, the connecting short joint and the long straight pipe group to obtain an S-shaped bent pipeline blanking pipeline.
6. The S-bend blanking method convenient for single person operation as claimed in claim 4, further comprising the steps of:
the measuring tool, the power line, the stone pen, the scriber, the angle square, the straight ruler, the universal angle square, the angle grinder and the flame cutting machine are transported to an operation site, installed and debugged, and the ovality and the verticality error of the elbow pipe orifice are tested.
7. An S-bend blanking method convenient for single person operation according to claim 4, characterized in that the length X and the bend angle α of the connecting short joint are calculated by the following formulas (1) and (2), wherein the formulas (1) and (2) are as follows:
in the formula, X is the length of the connecting short circuit and is in unit mm; alpha is the angle, degree, of the bend to be cut; r is the elbow radius in mm; a is the horizontal length of the orifice of the straight pipe, and mm, and B is the vertical distance of the center of the orifice of the straight pipe, and mm.
8. The method for facilitating single-person operation of S-bend blanking as claimed in claim 5, wherein said grinding of the cut half S-bend pipeline comprises the steps of:
and (4) grinding the blunt edges and the grooves at the two ends of the semi-S-shaped bent pipeline, and checking the parallelism and the verticality.
9. An S-bend blanking method facilitating single-person operation as claimed in claim 5 wherein said pairing comprises the steps of:
marking required dimensions on the ground, and according to the marked dimensions, enabling the cut and polished half elbow, the connecting short joint and the long straight pipe to be on the same horizontal plane;
the welding ruler and the universal angle ruler are adopted for measurement, and the opening aligning gap, the connection short joint, the size of the long straight pipe inclined opening and the misalignment are guaranteed to be qualified.
10. An S-bend blanking method facilitating single-person operation as claimed in claim 9 wherein said pairing comprises the steps of:
a spot welding mode is adopted to group the half S-shaped bent pipeline, and 3-6 points are uniformly spot-welded at each butt joint.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090046452A (en) * | 2007-11-06 | 2009-05-11 | 현대제철 주식회사 | Cutting device of pipe |
| KR20140104306A (en) * | 2013-02-20 | 2014-08-28 | 서상호 | Pipe cutting device |
| CN104227176A (en) * | 2014-08-15 | 2014-12-24 | 国家电网公司 | Automatic cutting device for pipe fitting |
| CN206010205U (en) * | 2016-09-22 | 2017-03-15 | 湖北鸿路钢结构有限公司 | A kind of steel pipe groove cut-off apparatus |
| CN109746541A (en) * | 2019-03-25 | 2019-05-14 | 惠州连硕科技有限公司 | Automatic pipeline cutting machine |
| CN209189979U (en) * | 2018-10-17 | 2019-08-02 | 中国石油天然气股份有限公司 | Cutting support and cutting equipment |
| CN110202207A (en) * | 2019-06-17 | 2019-09-06 | 诸暨市众创机械设备厂 | A kind of pipe cutting equipment of the hydraulic engineering with circumgyration incision function |
| CN210231867U (en) * | 2019-07-10 | 2020-04-03 | 中石油管道有限责任公司西部兰州输气分公司 | Quick cutting device of spiral welded tube |
| CN111001952A (en) * | 2019-12-27 | 2020-04-14 | 福建恒杰塑业新材料有限公司 | Pipe fitting cutting equipment |
| CN211102095U (en) * | 2019-12-12 | 2020-07-28 | 陈露 | Plasma cutting machine |
| KR102141112B1 (en) * | 2020-05-19 | 2020-08-05 | 서재진 | Automatic gas cutting machine for pipe and iron platr |
| CN112091463A (en) * | 2020-09-02 | 2020-12-18 | 中广核核电运营有限公司 | Method for replacing three-connection bent pipe |
| CN214721319U (en) * | 2021-05-31 | 2021-11-16 | 河北省天然气有限责任公司 | Adjustable flame cutting machine for pipeline |
-
2022
- 2022-01-21 CN CN202210073779.4A patent/CN115041770A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090046452A (en) * | 2007-11-06 | 2009-05-11 | 현대제철 주식회사 | Cutting device of pipe |
| KR20140104306A (en) * | 2013-02-20 | 2014-08-28 | 서상호 | Pipe cutting device |
| CN104227176A (en) * | 2014-08-15 | 2014-12-24 | 国家电网公司 | Automatic cutting device for pipe fitting |
| CN206010205U (en) * | 2016-09-22 | 2017-03-15 | 湖北鸿路钢结构有限公司 | A kind of steel pipe groove cut-off apparatus |
| CN209189979U (en) * | 2018-10-17 | 2019-08-02 | 中国石油天然气股份有限公司 | Cutting support and cutting equipment |
| CN109746541A (en) * | 2019-03-25 | 2019-05-14 | 惠州连硕科技有限公司 | Automatic pipeline cutting machine |
| CN110202207A (en) * | 2019-06-17 | 2019-09-06 | 诸暨市众创机械设备厂 | A kind of pipe cutting equipment of the hydraulic engineering with circumgyration incision function |
| CN210231867U (en) * | 2019-07-10 | 2020-04-03 | 中石油管道有限责任公司西部兰州输气分公司 | Quick cutting device of spiral welded tube |
| CN211102095U (en) * | 2019-12-12 | 2020-07-28 | 陈露 | Plasma cutting machine |
| CN111001952A (en) * | 2019-12-27 | 2020-04-14 | 福建恒杰塑业新材料有限公司 | Pipe fitting cutting equipment |
| KR102141112B1 (en) * | 2020-05-19 | 2020-08-05 | 서재진 | Automatic gas cutting machine for pipe and iron platr |
| CN112091463A (en) * | 2020-09-02 | 2020-12-18 | 中广核核电运营有限公司 | Method for replacing three-connection bent pipe |
| CN214721319U (en) * | 2021-05-31 | 2021-11-16 | 河北省天然气有限责任公司 | Adjustable flame cutting machine for pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 席德粹 等: "《城市燃气管网设计与施工》", 上海科学技术出版社, pages: 423 - 427 * |
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