CN103639642A - Pipeline outer opening aligning device and pipeline grouping welding method - Google Patents
Pipeline outer opening aligning device and pipeline grouping welding method Download PDFInfo
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- CN103639642A CN103639642A CN201310652688.7A CN201310652688A CN103639642A CN 103639642 A CN103639642 A CN 103639642A CN 201310652688 A CN201310652688 A CN 201310652688A CN 103639642 A CN103639642 A CN 103639642A
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- pipeline
- semi
- cylindrical shaped
- aperture device
- shaped part
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary 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
- B23K37/0533—Auxiliary 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
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention provides a pipeline outer opening aligning device and a pipeline grouping welding method. The pipeline outer opening aligning device comprises a body, a first connecting piece, a second connecting piece and at least two blocking pieces, wherein the body is cylindrical and composed of two semi-cylindrical parts, the first connecting piece is used for hinging the first ends of the two semi-cylindrical parts, the second connecting piece is arranged at the second ends of the two semi-cylindrical parts and used for fixedly connecting the second ends of the two semi-cylindrical parts, the blocking pieces have a preset certain thickness and protrude inwards from the inner surface of the body at preset intervals in the peripheral direction of the body at the roughly middle position in the axial length direction of the body, and the body is provided with openings which are formed between the blocking pieces in the peripheral direction of the body so that the side portions of the blocking pieces can be exposed. According to the pipeline outer opening aligning device, grouping cost is low, operation is easy and convenient to carry out, construction efficiency is high, weld joints formed after grouping are uniform, weld stress is small, and pipeline welding quality can be guaranteed.
Description
Technical field
The present invention relates to pipeline installing area, more particularly, relate to the outer contra-aperture device of a kind of pipeline and use the construction method of the outer contra-aperture device of this pipeline to tube group butt welding.
Background technology
In the welded and installed process of pipeline (particularly long-distance transmission pipeline), need to adopt outer contra-aperture device to be grouping.When using contra-aperture device to be grouping pipeline, between two pipeline opening, to leave certain gap and guarantee welding quality (avoiding interior undercut, lack of penetration, slag inclusion etc.).Yet size and the uniformity coefficient of controlling this gap are very large difficult problems.Existing contra-aperture device is when being grouping pipeline, and the time needing is long, and action required personnel are many, and efficiency of construction is low, and group to after pipeline welding gap inhomogeneous, make the stress after welding large, be difficult to guarantee welding quality.
While for this reason, needing a kind of pipeline welding, group is low to cost, operation easier is low, group is fast to speed, group is to rear even weld, the outer contra-aperture device of pipeline that little, the required manpower of stress is few and use the construction method of the outer contra-aperture device of this pipeline to tube group butt welding.
Summary of the invention
The invention provides the outer contra-aperture device of a kind of pipeline, to solve the defect of the low and poor welding quality of efficiency of construction that the outer contra-aperture device of existing pipeline exists.
To achieve these goals, according to an aspect of the present invention, provide a kind of pipeline outer contra-aperture device.The outer contra-aperture device of described pipeline comprises: main body, and cylindrical, by the first semi-cylindrical shaped part and the second semi-cylindrical shaped, partly formed; The first connector, is hingedly connected described the first semi-cylindrical shaped part with the first end of the second semi-cylindrical shaped part; The second connector, is arranged on described the first semi-cylindrical shaped part and the second semi-cylindrical shaped the second end partly, for described the first semi-cylindrical shaped part is fixedly connected with described second end of the second semi-cylindrical shaped part; At least two catch, there is predetermined thickness, approximate mid-section position at the axial length of main body is inwardly outstanding from the inner surface of main body according to predetermined space along the circumferencial direction of main body, wherein, in described main body, be provided with opening, described in being formed on along the circumferencial direction of described main body, described opening between at least two catch, the sidepiece of catch is come out.
According to embodiments of the invention, described the first connector can comprise be respectively formed at described the first semi-cylindrical shaped part and the second semi-cylindrical shaped first end partly gusset, be fixed to the sleeve pipe of gusset and the latch that sleeve pipe is coaxially connected, wherein, described gusset is outwards outstanding from the first end of described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part respectively, described sleeve pipe is cylindrical, described latch is through described sleeve pipe, so that described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part can be around described latch rotations.
According to embodiments of the invention, described the second connector can comprise respectively from described the first semi-cylindrical shaped part and the outside outstanding connecting plate of the second end of the second semi-cylindrical shaped part and the securing member that connecting plate is connected, securing member passes described connecting plate, thereby the second end of described two semi-cylindrical shapeds part is connected to each other.
According to embodiments of the invention, can along described the first semi-cylindrical shaped part and the second semi-cylindrical shaped partly longitudinally according to predetermined space, form a plurality of gussets.
According to embodiments of the invention, on described connecting plate, can form porosely, described securing member can comprise screw bolt and nut.
According to embodiments of the invention, described at least two catch can be formed on main body along axial middle part, described at least two catch uniformly-spaced form along the circumferencial direction partly of each semi-cylindrical shaped in described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part.
According to embodiments of the invention, described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part all can comprise a plurality of semicircular ring and a plurality of horizontal stripes that described a plurality of semicircular ring are coupled together, and described catch is formed on described horizontal stripe.
According to embodiments of the invention, the outer contra-aperture device of described pipeline also can comprise the reinforcement horizontal stripe being connected between described semicircular ring.
According to a further aspect in the invention, a kind of construction method of the outer contra-aperture device of described arbitrary pipeline to tube group butt welding of using is provided, its step comprises: a. carries out stringing to pipeline, two mouths of pipe alignment to be welded is placed, and arrange between two mouths of pipe and have certain distance; B. the outer contra-aperture device of opening conduits, is placed in the outer contra-aperture device of pipeline between two pipelines to be welded, is enclosed within the outside of two pipelines along diameter of axle direction; C. by two pipelines from the left and right sides along axially to pipeline contra-aperture device in the middle of mobile, until two mouths of pipe push catch from both sides respectively, tightening fastener parts, the outer contra-aperture device of closed duct, fixes the termination of two pipelines; D. by the opening in the outer contra-aperture device of pipeline, back welding operation is carried out in the gap between two mouths of pipe; E. the securing member of the outer contra-aperture device of pipeline is backed out, the outer contra-aperture device of pipeline is opened, from pipeline, remove; F. to the commissure of two pipelines not welding portion remain back welding operation.
According to embodiments of the invention, the construction method of the outer contra-aperture device of described use pipeline to pipeline welding, also comprises, before step a, pipe joint place is carried out to groove cutting, and groove is polished.
According to embodiments of the invention, the construction method of the outer contra-aperture device of described use pipeline to pipeline welding, also comprises, after step f, pipe welding seam is carried out to capping filling.
According to the outer contra-aperture device of pipeline of the present invention, group is little, easy and simple to handle to cost, efficiency of construction is high, and group is little to rear even weld, stress, can guarantee the welding quality of pipeline.
Accompanying drawing explanation
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present invention and advantage will become clear and be easier to and understand, wherein:
Fig. 1 shows the front view of the outer contra-aperture device of pipeline according to an embodiment of the invention;
Fig. 2 shows the side view of the outer contra-aperture device of pipeline according to an embodiment of the invention;
Fig. 3 shows the top view of the outer contra-aperture device of pipeline according to an embodiment of the invention;
Fig. 4 shows the side view of the outer contra-aperture device of pipeline under open mode according to an embodiment of the invention;
Fig. 5 shows the front view of the outer contra-aperture device of pipeline according to another embodiment of the present invention;
Fig. 6,7,8 shows respectively top view, side view and the rearview of the outer contra-aperture device of pipeline according to another embodiment of the present invention;
Fig. 9 shows the schematic diagram of the process that outside the pipeline that uses embodiments of the invention, contra-aperture device is grouping and welds pipeline;
Figure 10 shows the process chart of the construction method of the tube group butt welding that uses embodiments of the invention.
The specific embodiment
Now the embodiment of the present invention is described in detail, in the accompanying drawings, wherein, identical label represents same parts to its example shown all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
Fig. 1 shows the front view of the outer contra-aperture device of pipeline according to an embodiment of the invention; Fig. 2 shows the side view of the outer contra-aperture device of pipeline according to an embodiment of the invention; Fig. 3 shows the top view of the outer contra-aperture device of pipeline according to an embodiment of the invention; Fig. 4 shows the side view of the outer contra-aperture device of pipeline under open mode according to an embodiment of the invention.
Referring to figs. 1 through Fig. 4, the outer contra-aperture device of pipeline comprises according to an embodiment of the invention: main body 100, and cylindrical, by the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120, formed; The first connector 210, be arranged on the first end of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120, for two semi-cylindrical shaped parts 110 are hingedly connected with 120 first end, make the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120 can pivoted closed or pivotable open; The second connector 220, be arranged on the second end of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120, for the first semi-cylindrical shaped part 110 with after the second semi-cylindrical shaped part 120 closures, make two semi-cylindrical shaped parts 110 be fixedly connected with the second end of 120; A plurality of catch 300, have predetermined thickness, are arranged on the position of approximate mid-section of the axial length of main body 100, are formed on the inner periphery of main body 100 and inwardly outstanding from the inner surface of main body 100 along same circumference according to predetermined space.In main body 100, be also formed with opening 130, opening 130 is formed between catch 300 along the circumferencial direction of main body 100, and the sidepiece of catch 300 is come out, and opening 130 is as welding groove, so that carry out welding operation.As example, a part for sidewall that can be by the lumpectomy main body 100 corresponding with catch 300 forms described welding groove 130.
The length of main body 100 and diameter are determined according to the size of pipeline and length.According to construction needs, the length of main body 100 is arranged between 30cm to 100cm conventionally.But the size of main body 100 is not limited to this, according to actual execution conditions and construction needs, length that can corresponding change main body 100.
The first connector 210 comprises outside outstanding gusset 211, the sleeve pipe 212 that is fixed to gusset 211 and the latch 213 of first end from the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120.Gusset 211 can be along the length direction of main body 100, and the first end in the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120 stretches out alternately respectively.Sleeve pipe 212 is cylindrical, is formed on accordingly on each gusset 211, and makes sleeve pipe 212 coaxial.As shown in Figure 3, first end in main body 100 is provided with two group of first connector, specifically, first end in the first semi-cylindrical shaped part 110 is formed with two gussets according to interval, and the correspondence position in the both sides of each gusset of the first semi-cylindrical shaped part 110 is in and is formed with gusset and corresponding sleeve pipe in the second semi-cylindrical shaped part 120, the diameter of each sleeve pipe is identical, and be positioned on same axis, latch 213 is through sleeve pipe 212, the first semi-cylindrical shaped part 110 is coaxially connected with the sleeve pipe of the second semi-cylindrical shaped part 120, thereby the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120 can be rotated around latch 213.Although embodiments of the invention show the first connector as shown in Figure 3, but structure and the quantity of the first connector of the present invention are not limited to this, many groups the first connector also can be set, and the first connector also can have other structures, as long as can make together with one end of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120 can be pivotally connected to.For example, the first connector can comprise and is formed on the sleeve pipe in the first semi-cylindrical shaped part 110 outsides and the pin that is formed on the outside of the second semi-cylindrical shaped part 120, when the pin in the second semi-cylindrical shaped part 120 inserts in the sleeve pipe in the first semi-cylindrical shaped part 110, the pivotable that also can realize two semi-cylindrical shaped parts connects.
The second connector 220 comprises respectively from outside outstanding the first connecting plate 221 and the second connecting plate 222, the first connecting plates 221 and the second connecting plate correspondence 222 Shang Xia of the second end of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120.On connecting plate 221 and 222, be provided with securing member 223, securing member 223 comprises bolt 223a and nut 223b.As shown in Figure 3, the first end in main body 100 is provided with two group of second connector.Every group of second connector all can comprise the first connecting plate, the second connecting plate and securing member.And as example, one end of bolt 223a is fixed on the upper surface of the second connecting plate 222, on the first connecting plate 221, be formed with the hole corresponding with bolt 223a, the other end of bolt 223a is through the hole of connecting plate 221, and fastening nut 223b is can be by the outer contra-aperture device of the pipeline of embodiments of the invention closed and fix two pipe heads to be welded of insertion.But the structure of securing member 223 is not limited to this, also can through hole be all set at connecting plate 221 and 222 corresponding positions, bolt is through described through hole, and bolt end is fixed by nut.Therefore, as long as can make the second end of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120 be permanently connected and removable.The present invention is also not limited to structure and the quantity of the second connector shown in Fig. 3, can, according to the length of main body 100, need the quantity of the second connector of selection setting according to construction.
In addition, due to after by pipe alignment, need to weld it, during pipeline welding, need between the solder side of two pipelines, leave certain gap, the size in described gap is determined according to welding process requirement, and described gap can be realized by catch, so the outer contra-aperture device of pipeline is provided with catch 300 according to an embodiment of the invention, thereby can make quick group of pipeline to aiming at, and can more easily control the welding gap between pipeline by the catch of suitable size and thickness is set.
According to being provided with 6 catch in the exemplary embodiment of the outer contra-aperture device of pipeline of the present invention, 6 catch are formed on the middle part of the axis direction of main body 100, and around the circumferential directions at described middle part the inside in main body 100, wherein, each semi-cylindrical shaped partly arranges 3 catch, as shown in Figure 2,3 catch are arranged in two ends and the middle part of the first semi-cylindrical shaped part 110 and the second semi-cylindrical shaped part 120.Although showing catch, the present embodiment is positioned at along the middle part of the axis direction of main body 100, but the position of the catch of the outer contra-aperture device of pipeline of the present invention is not limited to this, when if the length of the outer contra-aperture device of pipeline is longer, catch can be arranged on the circumference that departs from described middle part, only otherwise affect the effect of pipe string.In addition, although the present embodiment shows the situation that 6 catch are set in the inside of main body 100, the baffle structure of the outer contra-aperture device of pipeline of the present invention is not limited to this.When the diameter of pipeline hour, can be only in the semi-cylindrical shaped part 110 of main body 100 and 120, on the middle part circumference of axis direction, a catch be respectively set.Also can be at the interior catch that other quantity are set of main body 100, and be symmetrical arranged as far as possible, crooked to prevent that pipeline from occurring, guarantee welding quality.The quantity of the catch of the outer contra-aperture device of pipeline of the present invention is not limited to above-mentioned situation, and the catch of other quantity also can be set as required.
According to welding process requirement, the thickness of catch is generally between 1mm to 5mm, and according to the size of pipeline, the width of catch is generally between 2cm to 5cm, and according to the wall thickness of pipeline, the length of catch is generally between 2cm to 15cm.But the size of the catch of the outer contra-aperture device of pipeline of the present invention is not limited to this, according to the size of pipeline and wall thickness, and the welding requirements to pipeline, the size outside catch size defined in this can be set.
Because contra-aperture device outside utilizing pipeline of the present invention is by after pipe string alignment, need on the basis of pipe alignment, to pipeline, weld, so need to have welding groove in the main body 100 of the part of tube contacts.As shown in Figure 1, the circumferencial direction as the opening 130 of welding groove along main body 100 is formed between catch 300, and a part for sidewall that can be by excision main body 100 forms opening 130.Opening 130 width is along the longitudinal greater than the thickness of catch 300, after by pipe alignment, can expose the end of the pipeline of two alignment by opening 130, thereby is convenient to carry out welding operation.The structure of the opening 130 of the present embodiment is not limited to the structure shown in Fig. 1, and the position of opening 130 can change according to the position of catch 300 and number.
Fig. 5 shows the front view of the outer contra-aperture device of pipeline according to another embodiment of the present invention.Fig. 6,7,8 shows respectively top view, side view and the rearview of the outer contra-aperture device of pipeline according to another embodiment of the present invention.
The outer contra-aperture device of pipeline according to another embodiment of the present invention and the difference of the outer contra-aperture device of above-mentioned pipeline are: main body 500 is to utilize many horizontal stripes that a plurality of annulus are connected to form, therefore, main body 500 forms columnar cage, except a plurality of annulus and horizontal stripe, do not there is cylindrical wall.
In the embodiment shown in Fig. 5-8, the main body 500 of the outer contra-aperture device of pipeline comprises the first semicircular cylinder part 510 and the second semi-cylindrical shaped part 520.The first semi-cylindrical shaped part 510 comprises four semicircular ring 511 of arranging abreast according to predetermined space and a plurality of horizontal stripes 512 that four semicircular ring 511 are coupled together.The second semi-cylindrical shaped part 520 comprises four semicircular ring 521 of arranging abreast according to predetermined space and a plurality of horizontal stripes 522 that four semicircular ring 521 are coupled together.As shown in Figure 5, a plurality of horizontal stripes 512 connect two ends and the middle part of four semicircular ring 511, a plurality of horizontal stripes 522 connect two ends and the middle part of four semicircular ring 521, semicircular ring 511 and 521 and horizontal stripe 512 and 522 the first semi-cylindrical shaped part 510 and the second semi-cylindrical shaped parts 520 that form there is level and smooth inner surface so that pipeline moves in main body 500.Catch 300 is formed on described horizontal stripe, and between adjacent semicircular ring 511 and 521, makes to form between two annulus adjacent with catch 300 opening 530 as welding groove.
Although the present embodiment shows the situation that each semi-cylindrical shaped part is comprised of four semicircular ring, but the main body of the outer contra-aperture device of pipeline of the present invention is not limited to this, each semi-cylindrical shaped part also can be comprised of the semicircular ring of other quantity the main body of the outer contra-aperture device of pipeline.
In this embodiment, because catch 300 need to be arranged on horizontal stripe so that the opening between horizontal stripe and semicircular ring can be as welding groove, thus the quantity of horizontal stripe and determining positions quantity and the position of catch.Structure as shown in Figure 5 is preferably set, in this case, six catch 300 is set, form four openings 530.Because the length of opening 530 is longer, under the state of alignment, can guarantee larger welding space, be conducive to improve welding quality.But the invention is not restricted to said structure.
For the structure of the outer contra-aperture device of pipeline is further strengthened, between described semicircular ring, also can comprise a plurality of reinforcement horizontal stripes 540.As shown in Figure 5, strengthen horizontal stripe 540 and can be arranged in the arbitrary portion except welding groove 530, be arranged in the part except the section at catch place as far as possible, avoid affecting welding operation.As long as described reinforcement horizontal stripe can play the effect of structural strengthening and not affect the normal work of the outer contra-aperture device of pipeline.In addition, semicircular ring 511 and 521 and horizontal stripe 512 and 522 and the connected mode strengthened between horizontal stripe 540 can be to be welded and fixed.
In addition, the first semicircular cylinder part 510 and the first end of the second semi-cylindrical shaped part 520 and the connection of the second end can be with identical with the syndeton of the second end according to the first semi-cylindrical shaped part 110 of embodiments of the invention as above and the first end of the second semi-cylindrical shaped part 120.
The outer contra-aperture device of pipeline is made by No. 20 steel of pressure-resistant material or manganese steel according to an embodiment of the invention.
Fig. 9 shows the schematic diagram of the process that outside the pipeline that uses embodiments of the invention, contra-aperture device is grouping and welds pipeline.Wherein, Fig. 9 (a) shows pipeline lifting position view; Fig. 9 (b) shows the outer contra-aperture device scheme of installation of pipeline; Fig. 9 (c) shows the pipe string schematic diagram that uses the outer contra-aperture device of pipeline to carry out; Fig. 9 (d) shows the part back welding schematic diagram that uses the outer contra-aperture device of pipeline; Fig. 9 (e) shows the pipeline schematic diagram of removing after the outer contra-aperture device of pipeline; Fig. 9 (f) completes residue back welding schematic diagram after showing and removing the outer contra-aperture device of pipeline; Fig. 9 (g) shows weld seam and fills the effect schematic diagram after capping.Figure 10 shows according to the process chart of tube group butt welding construction method of the present invention.
Below with reference to Figure 10, describe in detail and use the construction method to tube group butt welding according to the outer contra-aperture device of the pipeline of the present embodiment.
In step S10, pipeline is carried out to stringing, two mouth of pipe alignment to be welded are placed, and make to leave certain distance between two mouths of pipe, as shown in (a) in Fig. 9.
According to construction blueprint and related specifications, need to carry out stringing operation, in the process of stringing, need to take certain safeguard measure to pipeline, such as pad sandbag, straw mattress etc., is used for preventing the external damage of pipeline.
Utilize pipe facing machine lifting pipeline, make it conveniently coordinate and pipeline is grouping with the outer contra-aperture device of pipeline, as example, first two pipelines are lifted to and are positioned at collinear position, and arrange and between two mouths of pipe, there is certain interval, for example, according to line size and field condition, can be by the 10cm-30cm that is set between two mouths of pipe.
When the pipeline that dispatches from the factory does not carry out groove cutting, need to be according to welding conditions and construction requirement, carry out in advance or in real time following steps: the interface of two pipelines is carried out to groove cutting, and institute's bevel cut is polished, when guaranteeing that tube wall when pipeline is compared with thick and difficult welding, groove place can make welding junction better fuse, and then guarantees that welding fully.
In step S20, opening conduits is contra-aperture device outward, is enclosed within the outside of two pipelines, along axial direction as shown in (b) in Fig. 9.
Outside using the pipeline of making according to the present embodiment during contra-aperture device, the outer contra-aperture device of opening conduits, the outer contra-aperture device of pipeline is placed between institute's cloth two pipelines, along diameter of axle direction, be enclosed within the outside of two pipelines, make the outer contra-aperture device of pipeline block gently the port of two pipelines, make pipeline along axially moving left and right, catch 300 is placed in to the intermediate gaps place of two pipelines.
In step S30, the centre of contra-aperture device two pipelines that relatively move outside pipeline, make the mouth of pipe of two pipelines from both sides, push respectively catch 300 vertically, and the outer contra-aperture device of closed duct, fixes the termination of two pipelines, as shown in (c) in Fig. 9.
The outer contra-aperture device of pipeline is positioned over to rear flank outside the end between two mouths of pipe, two pipelines are grouping.Outside pipeline in contra-aperture device, two pipelines inwards in axial direction relatively move, make the connecting position of two mouths of pipe and the catch 300 of the outer contra-aperture device of pipeline be positioned at same vertical plane, the catch 300 of the outer contra-aperture device of contact-making surface extrusion pipe of two pipelines, is used securing member to confine the other end of the outer contra-aperture device of pipeline.
In the process of tightening fastener parts 223, observe at any time the situation that contacts of seam crossing with the catch 300 of two mouths of pipe, while having not contact or loose contact, it is adjusted, with the mouth of pipe after guaranteeing to tighten, remain good contacting with catch 300, prevent from occurring inhomogeneous situation due to the crooked weld seam that causes of arbitrary pipeline in the outer contra-aperture device of pipeline.As example, securing member 223 is for having the structure of bolt 223a and nut 223b.
In step S40, the weld seam not contacting with catch 300 is carried out to back welding, in the outer contra-aperture device of pipeline as shown in (d) in Fig. 9.
According to the feature of the drum of the outer contra-aperture device of pipeline, at main part is not blocked and catch 300 does not contact pipeline joint-seam, partly than being easier to carry out welding operation, therefore, first back welding is carried out in this weld seam position, place.
In step S50, the outer contra-aperture device of pipeline is opened, it is withdrawn from from pipeline, as shown in (e) in Fig. 9.
After back welding completes, cooling a period of time, for example, about 5 minutes, in back welding position operation below can not crack in order to guaranteeing cool time, and then guarantee welding quality.After cooling, the securing member 223 of the outer contra-aperture device of pipeline is backed out, from pipeline, the second end of contra-aperture device opens it, and the outer contra-aperture device of pipeline is withdrawn from from two pipelines that connect.
In step S60, to two pipe welding seam places not welding portion remain back welding, as shown in (f) in Fig. 9.
From two pipelines, remove outside pipeline after contra-aperture device, the weld seam position of having welded for it, the operations such as burr are revised smoothly, removed to available sanding machine, to guarantee that root face amount, the groove number of degrees and the fineness etc. of pipeline meet construction requirement, and then do not carry out back welding operation in the position of welding to remaining two pipe welding seam places.
In step S70, pipe welding seam is carried out to capping filling, as shown in (g) in Fig. 9.
After the whole back weldings of weld seam of whole pipeline complete, according to welding process requirement, the place, gap of two pipelines is carried out to the subsequent operations such as scolder filling, capping welding.
By the description of this invention above, can find out, the outer contra-aperture device of pipeline of the present invention and use the outer contra-aperture device of this pipeline to the construction method of tube group butt welding reached that cost is low, easy and simple to handle, group is fast to speed, group to after little, the high requirement of practicality of even weld, stress.
Although represented and described some embodiments of the present invention, it should be appreciated by those skilled in the art that in the situation that do not depart from principle of the present invention and the spirit that is limited its scope by claim and equivalent thereof, can modify to these embodiment.
Claims (11)
1. the outer contra-aperture device of pipeline, is characterized in that, the outer contra-aperture device of described pipeline comprises:
Main body, cylindrical, by the first semi-cylindrical shaped part and the second semi-cylindrical shaped, partly formed;
The first connector, is hingedly connected the first end of described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part, makes the first semi-cylindrical shaped partly and be partly pivoted relative to each other closure or open of the second semi-cylindrical shaped;
The second connector, is arranged on described the first semi-cylindrical shaped part and the second semi-cylindrical shaped the second end partly, for described the first semi-cylindrical shaped part is fixedly connected with described second end of the second semi-cylindrical shaped part;
At least two catch, have predetermined thickness, inwardly outstanding from the inner surface of main body according to predetermined space along the circumferencial direction of main body in the approximate mid-section position of the axial length of main body,
Wherein, section corresponding with catch on the cylindrical wall of described main body is formed with opening, and described opening is formed between described catch along the circumferencial direction of described main body, and the sidepiece of catch is come out.
2. the outer contra-aperture device of pipeline as claimed in claim 1, it is characterized in that, described the first connector comprises the gusset of the first end that is respectively formed at described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part, be fixed to the sleeve pipe of gusset and the latch that sleeve pipe is coaxially connected, wherein, described gusset is outwards outstanding from the first end of described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part respectively, described sleeve pipe is cylindrical, described latch is through described sleeve pipe, so that described the first semi-cylindrical shaped part and the second semi-cylindrical shaped part can be around described latch rotations.
3. the outer contra-aperture device of pipeline as claimed in claim 1, it is characterized in that, described the second connector comprises the first connecting plate and the outside second outstanding connecting plate of the second end of the second semi-cylindrical shaped part and the securing member that the first connecting plate is connected with the second connecting plate of outwards giving prominence to from the second end of described the first semi-cylindrical shaped part respectively.
4. the outer contra-aperture device of pipeline as claimed in claim 2, is characterized in that, along the length direction of described main body, at described first end, according to predetermined space, many groups the first connector is set and at described the second end, many groups the second connectors is set.
5. the outer contra-aperture device of pipeline as claimed in claim 3, it is characterized in that, described securing member comprises screw bolt and nut, described being bolted on the second connecting plate, on described the first connecting plate, be formed with through hole, when the first semi-cylindrical shaped part and the second semi-cylindrical shaped part closure, fastening nuts is in the end of the bolt through described through hole.
6. the outer contra-aperture device of pipeline as claimed in claim 1, is characterized in that, the circumferencial direction of described at least two catch each semi-cylindrical shaped part partly and in the second semi-cylindrical shaped part along described the first semi-cylindrical shaped uniformly-spaced forms.
7. the outer contra-aperture device of pipeline as claimed in claim 1, it is characterized in that, a plurality of horizontal stripes that described the first semi-cylindrical shaped part and the second semi-cylindrical shaped partly include a plurality of semicircular ring and described a plurality of semicircular ring are coupled together, described catch is formed on described horizontal stripe.
8. the outer contra-aperture device of pipeline as claimed in claim 7, is characterized in that, the outer contra-aperture device of described pipeline also comprises the reinforcement horizontal stripe being connected between described semicircular ring.
9. right to use requires the construction method of the outer contra-aperture device of the pipeline described in any one to tube group butt welding in 1-8, and its step comprises:
A. pipeline is carried out to stringing, two mouths of pipe alignment to be welded are placed, and arrange between two mouths of pipe and there is certain distance;
B. the outer contra-aperture device of opening conduits, is placed in the outer contra-aperture device of pipeline between two pipelines to be welded, is enclosed within the outside of two pipelines along diameter of axle direction;
C. by two pipelines from the left and right sides along axially to pipeline contra-aperture device in the middle of mobile, until two mouths of pipe push catch from both sides respectively, tightening fastener parts, the outer contra-aperture device of closed duct, fixes the termination of two pipelines;
D. by the opening in the outer contra-aperture device of pipeline, back welding operation is carried out in the gap between two mouths of pipe;
E. the securing member of the outer contra-aperture device of pipeline is backed out, the outer contra-aperture device of pipeline is opened, from pipeline, remove;
F. to the commissure of two pipelines not welding portion remain back welding operation.
10. the construction method of the outer contra-aperture device of use pipeline as claimed in claim 9 to pipeline welding, also comprises, before step a, pipe joint place is carried out to groove cutting, and groove is polished.
The construction method of the outer contra-aperture device of 11. use pipelines as claimed in claim 9 to pipeline welding, also comprises, after step f, pipe welding seam is carried out to capping filling.
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| CN201310652688.7A CN103639642B (en) | 2013-12-05 | 2013-12-05 | The outer contra-aperture device of pipeline and the construction method of tube group butt welding |
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| CN201310652688.7A CN103639642B (en) | 2013-12-05 | 2013-12-05 | The outer contra-aperture device of pipeline and the construction method of tube group butt welding |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607772A (en) * | 2015-01-21 | 2015-05-13 | 郑州科慧科技股份有限公司 | Sealing type compact portable closed handheld automatic pipe welding equipment |
| CN106735789A (en) * | 2015-11-25 | 2017-05-31 | 沈阳鼓风机集团压力容器有限公司 | Pipe fitting welding frock |
| CN107598425A (en) * | 2017-10-21 | 2018-01-19 | 孟庆仕 | A kind of closed Underwater Welding robot |
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| CN113994132A (en) * | 2018-09-24 | 2022-01-28 | 巴西终端设备材料有限公司 | Device for pipe repair and fastening method in pipe repair operation |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2308340A (en) * | 1941-06-18 | 1943-01-12 | Sarletta Mfg Company | Pipe welding clamp |
| US2674966A (en) * | 1950-02-21 | 1954-04-13 | Melvin P Morris | Welding clamp |
| US3894326A (en) * | 1973-09-25 | 1975-07-15 | Augustus Lyons Merriman | Clamp for longitudinally aligning pipe sections |
| JPS59232698A (en) * | 1983-06-15 | 1984-12-27 | Teisan Kk | Jig for butt-welding of pipes |
| CN2083981U (en) * | 1991-02-25 | 1991-09-04 | 符世朝 | Positioning clamp for welding |
| US5865430A (en) * | 1995-09-26 | 1999-02-02 | K. C. Welding & Machine Corp. | Alignment clamp and method for its use |
| US20060156531A1 (en) * | 2005-01-14 | 2006-07-20 | Dwileski Mark D Jr | Pipe aligning device and method of use thereof |
| CN201833143U (en) * | 2010-10-19 | 2011-05-18 | 大庆石油管理局 | Portable pincer type pipeline aligning device |
| CN201960313U (en) * | 2011-03-10 | 2011-09-07 | 中国石油天然气股份有限公司 | Pipe welding fixing device |
| CN202517236U (en) * | 2012-03-23 | 2012-11-07 | 中石化第四建设有限公司 | Pipe orifice outer aligning device for long-distance pipeline welding |
| CN202894675U (en) * | 2012-11-16 | 2013-04-24 | 中国化学工程第十一建设有限公司 | Pipeline connecting opening-joint device |
| CN203062190U (en) * | 2013-01-30 | 2013-07-17 | 中国十七冶集团有限公司 | Butt joint regulation device for thick-wall boiler tube |
| CN203092055U (en) * | 2012-12-31 | 2013-07-31 | 中国石油天然气集团公司 | Pipeline outer aligning device capable of adjusting space between pipe sections |
| CN203599790U (en) * | 2013-12-05 | 2014-05-21 | 攀钢集团工程技术有限公司 | Outer fitting-up device of pipeline |
-
2013
- 2013-12-05 CN CN201310652688.7A patent/CN103639642B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2308340A (en) * | 1941-06-18 | 1943-01-12 | Sarletta Mfg Company | Pipe welding clamp |
| US2674966A (en) * | 1950-02-21 | 1954-04-13 | Melvin P Morris | Welding clamp |
| US3894326A (en) * | 1973-09-25 | 1975-07-15 | Augustus Lyons Merriman | Clamp for longitudinally aligning pipe sections |
| JPS59232698A (en) * | 1983-06-15 | 1984-12-27 | Teisan Kk | Jig for butt-welding of pipes |
| CN2083981U (en) * | 1991-02-25 | 1991-09-04 | 符世朝 | Positioning clamp for welding |
| US5865430A (en) * | 1995-09-26 | 1999-02-02 | K. C. Welding & Machine Corp. | Alignment clamp and method for its use |
| US20060156531A1 (en) * | 2005-01-14 | 2006-07-20 | Dwileski Mark D Jr | Pipe aligning device and method of use thereof |
| CN201833143U (en) * | 2010-10-19 | 2011-05-18 | 大庆石油管理局 | Portable pincer type pipeline aligning device |
| CN201960313U (en) * | 2011-03-10 | 2011-09-07 | 中国石油天然气股份有限公司 | Pipe welding fixing device |
| CN202517236U (en) * | 2012-03-23 | 2012-11-07 | 中石化第四建设有限公司 | Pipe orifice outer aligning device for long-distance pipeline welding |
| CN202894675U (en) * | 2012-11-16 | 2013-04-24 | 中国化学工程第十一建设有限公司 | Pipeline connecting opening-joint device |
| CN203092055U (en) * | 2012-12-31 | 2013-07-31 | 中国石油天然气集团公司 | Pipeline outer aligning device capable of adjusting space between pipe sections |
| CN203062190U (en) * | 2013-01-30 | 2013-07-17 | 中国十七冶集团有限公司 | Butt joint regulation device for thick-wall boiler tube |
| CN203599790U (en) * | 2013-12-05 | 2014-05-21 | 攀钢集团工程技术有限公司 | Outer fitting-up device of pipeline |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607772A (en) * | 2015-01-21 | 2015-05-13 | 郑州科慧科技股份有限公司 | Sealing type compact portable closed handheld automatic pipe welding equipment |
| CN106735789A (en) * | 2015-11-25 | 2017-05-31 | 沈阳鼓风机集团压力容器有限公司 | Pipe fitting welding frock |
| CN106735789B (en) * | 2015-11-25 | 2018-11-27 | 沈阳鼓风机集团压力容器有限公司 | Pipe fitting welding tooling |
| CN107598425A (en) * | 2017-10-21 | 2018-01-19 | 孟庆仕 | A kind of closed Underwater Welding robot |
| CN108581357A (en) * | 2018-03-20 | 2018-09-28 | 上海二十冶建设有限公司 | The easy device and its application method of the quick group pair of the pipeline that reuses |
| CN108673044A (en) * | 2018-04-26 | 2018-10-19 | 中国二十冶集团有限公司 | Portable large-scale pipeline welds contra-aperture device and application method |
| CN108788615A (en) * | 2018-05-07 | 2018-11-13 | 江阴市富仁高科股份有限公司 | Prepared by a kind of steel vessel special ties up technique |
| CN108436382B (en) * | 2018-05-31 | 2019-11-22 | 福州思琪科技有限公司 | A kind of construction site heating and ventilating pipeline welding fixture |
| CN108436382A (en) * | 2018-05-31 | 2018-08-24 | 郑州靓岛建筑设计有限公司 | A kind of construction site heating and ventilating pipeline welding fixture |
| CN113994132A (en) * | 2018-09-24 | 2022-01-28 | 巴西终端设备材料有限公司 | Device for pipe repair and fastening method in pipe repair operation |
| CN109340452A (en) * | 2018-12-21 | 2019-02-15 | 中国电建集团四川工程有限公司 | The construction method of installation of 56 cun of pipe-lines |
| CN109955025B (en) * | 2019-04-28 | 2021-05-18 | 中国一冶集团有限公司 | Pipeline welding orthotic devices |
| CN109955025A (en) * | 2019-04-28 | 2019-07-02 | 中国一冶集团有限公司 | A kind of pipeline welding apparatus for correcting |
| CN110802363A (en) * | 2019-11-22 | 2020-02-18 | 北京金河水务建设集团有限公司 | Pipeline aligning device and using method |
| CN111496458A (en) * | 2020-04-08 | 2020-08-07 | 四川凯琳展科技有限公司 | Steel pipe connection auxiliary device and using method thereof |
| CN111496456A (en) * | 2020-04-08 | 2020-08-07 | 四川凯琳展科技有限公司 | Steel pipe butt joint corrector and using method thereof |
| CN112643239A (en) * | 2021-01-28 | 2021-04-13 | 中国二十二冶集团有限公司 | Fixing device for butt-joint assembly connection of pipelines and pipeline butt-joint method |
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