CN109128557B - Manufacturing method of launching device water tank structural member - Google Patents
Manufacturing method of launching device water tank structural member Download PDFInfo
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- CN109128557B CN109128557B CN201811197508.XA CN201811197508A CN109128557B CN 109128557 B CN109128557 B CN 109128557B CN 201811197508 A CN201811197508 A CN 201811197508A CN 109128557 B CN109128557 B CN 109128557B
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Abstract
A manufacturing method of a launching device water vat structural member comprises the following steps: the method comprises the steps of firstly welding an upper seat plate and a lower base plate on a middle flange, then installing a support plate and an iron wedge into an annular rib plate, then sequentially installing and welding an annular rib plate, an upper longitudinal rib plate I, an upper longitudinal rib plate II, an upper annular rib, an upper longitudinal rib plate III, a lower longitudinal rib plate I and a lower longitudinal rib plate II, and then welding seams among the parts. The design has the advantages of low production cost, high production efficiency, low manufacturing difficulty and high forming precision.
Description
Technical Field
The invention relates to a launching device water vat structural member, in particular to a method for manufacturing the launching device water vat structural member, which is mainly suitable for reducing the production cost, improving the production efficiency, reducing the manufacturing difficulty and improving the forming precision.
Background
The integral structure of the water tank of the launching device is shown in figures 1 and 2, the water tank has a large number of rib plates, large welding internal stress, difficult control of welding deformation, extremely difficult correction after welding and large manufacturing difficulty of structural parts, and a reasonable manufacturing process is a key for manufacturing the structural parts of the water tank in order to ensure the forming precision of the water tank.
Disclosure of Invention
The invention aims to overcome the defects and problems of high production cost, low production efficiency, high manufacturing difficulty and low forming precision in the prior art, and provides a manufacturing method of a launching device water cylinder structural member with low production cost, high production efficiency, low manufacturing difficulty and high forming precision.
In order to achieve the above purpose, the technical solution of the invention is as follows: a method of manufacturing a structural member for a water tank of a launching device, the method comprising the steps of:
A. firstly, horizontally placing a middle flange on a welding platform, marking position lines of an upper base plate and a lower base plate on the upper surface of the middle flange, then aligning the upper base plate and the lower base plate according to the position lines, vertically placing the upper base plate and the lower base plate on the middle flange, and fixing the upper base plate and the lower base plate by adopting tack welding;
B. the adjustable inner ring anti-deformation supporting tool is installed into the annular rib plate;
C. the lower bottom plate is horizontally arranged on a jack, and an annular rib plate, a first upper longitudinal rib plate, a second upper longitudinal rib plate, an upper annular rib, a third upper longitudinal rib plate, a first lower longitudinal rib plate and a second lower longitudinal rib plate are sequentially welded;
D. welding seams among all parts are welded, and the specific welding sequence is as follows:
d1, welding the welding seams between the flange and the upper base plate and the lower base plate: welding by adopting a skip welding method from the middle to the two sides, and welding one welding seam into two layers and then welding the other welding seam;
d2, welding the annular rib plates and the welding seams between the upper seat plate and the lower bottom plate: firstly welding the middle annular rib plate, and then respectively welding the annular rib plates at two sides; when welding, firstly welding a welding seam between the annular rib plate and the lower base plate, welding from the middle to two sides, turning over and then welding the welding seam between the annular rib plate and the upper base plate after welding the two layers, and welding from the middle to two sides;
d3, welding the welding seams between the first upper longitudinal rib plate, the second upper longitudinal rib plate, the third upper longitudinal rib plate, the first lower longitudinal rib plate, the second lower longitudinal rib plate, the upper seat plate and the lower bottom plate: welding by adopting a skip welding method, respectively welding from the middle to the two sides, and welding the next layer after cleaning the layers after welding one layer;
d4, welding the upper ring rib and the upper seat plate, the second upper longitudinal rib plate and the third upper longitudinal rib plate: horizontally placing the upper seat plate on a welding platform, keeping the position to be welded at a flat welding position, welding the upper ring rib in the middle, and then respectively welding the upper ring ribs on the two sides;
E. after the above-mentioned process is accomplished, form jar base subassembly, later, dress welds jar barrel, jar front flange, jar rear flange, concrete step is as follows:
e1, assembling a water cylinder barrel, a water cylinder front flange and a water cylinder rear flange: firstly, additionally installing adjustable inner ring anti-deformation supporting tools in the middle of the inner side and at two ends of a water cylinder barrel, vertically placing the water cylinder barrel on a welding platform, then lifting a water cylinder base assembly by a crane to enable the water cylinder base assembly to be sleeved into the water cylinder barrel from the upper side of the water cylinder barrel, horizontally placing the water cylinder barrel on a roller jig, and then installing and welding a water cylinder front flange and a water cylinder rear flange at a horizontal welding position of the water cylinder barrel;
e2, welding a water cylinder barrel and a water cylinder front flange and a water cylinder rear flange: placing the outer cylinder at the front section of the water cylinder barrel on a roller jig, arranging two persons to weld the front flange and the rear flange of the water cylinder respectively, welding the welding seam at the inner side of the water cylinder barrel firstly during welding, performing back gouging at the outer side of the water cylinder barrel after welding two layers, welding the outer side welding seam of the water cylinder barrel fully after back gouging, and welding the inner side welding seam fully after welding the outer side welding seam fully;
e3, positioning and assembling the water cylinder body and the water cylinder base component: firstly, rotating the water cylinder barrel on a roller jig frame to enable a longitudinal seam of the water cylinder barrel to be in a horizontal position, then rotating the water cylinder base assembly along the circumferential direction of the water cylinder barrel to enable the upper seat plate to rotate to the horizontal position, then axially sliding the water cylinder base assembly along the water cylinder barrel, and checking and ensuring the distance between the rear end face of the middle flange and the rear flange of the water cylinder;
e4, welding the water cylinder body and the water cylinder base assembly, and specifically comprises the following steps:
e41, welding the welding seam between the flange and the water cylinder body: welding two layers of groove weld seams at the side close to the water cylinder base assembly, fully welding the groove weld seams at the side close to the flange behind the water cylinder, and fully welding the groove weld seams at the side close to the water cylinder base assembly;
e42, welding the welding seam between the annular rib plate and the water cylinder body: firstly welding the middle annular rib plate, then respectively welding the annular rib plates at two sides, welding two layers of front side welding seams when welding each annular rib plate, then welding the back side welding seams fully, and then welding the front side welding seams fully;
e43, welding the welding seams between the first upper longitudinal rib plate, the second upper longitudinal rib plate, the third upper longitudinal rib plate, the first lower longitudinal rib plate and the second lower longitudinal rib plate and the water cylinder barrel: welding two layers of welding seams at one side of the longitudinal rib plate, fully welding the welding seams at the other side of the longitudinal rib plate, and fully welding the welding seams at one side of the longitudinal rib plate;
e44, welding the welding seam between the annular rib plate and the water cylinder barrel.
The adjustable inner ring deformation-preventing supporting tool comprises a supporting plate and an iron wedge, the supporting plate is of an annular structure, a plurality of grooves are uniformly formed in the outer circumferential surface of the supporting plate, and the iron wedge is inserted into the grooves after the supporting plate is installed in the annular rib plate and the water cylinder barrel.
Two iron wedges positioned in the diameter direction of the supporting plate are respectively inserted into the grooves from two sides of the supporting plate.
And in the step C, a steel pipe anti-deformation support is additionally arranged between the adjacent annular rib plates.
And D, before welding the welding seams among the parts, performing primary backing welding on the welding seams among the parts, and turning over the welding seams during welding so as to enable the positions to be welded to be in a flat welding position or a ship-shaped welding position.
In step E1, after the water tank base component is sleeved into the water tank cylinder, the water tank base component can slide along the axial direction and the circumferential direction of the water tank cylinder.
In step E2, during welding, the roller jig is rotated to place the position to be welded in the flat welding position and the interlayer oxides and slag are cleaned.
In the step E3, after the distance between the rear end face of the middle flange and the rear flange of the water cylinder is determined, four channel steel supports are additionally arranged between the middle flange and the rear flange of the water cylinder, and the lower bottom plate is respectively fixed by a transverse stacking plate and a longitudinal stacking plate.
In step E4, before welding, all welds are subjected to one layer of backing weld.
In step E4, the outer cylinder of the front section of the water cylinder barrel is rotated or turned over in the welding process, so that the position to be welded is in a flat welding position or a ship-shaped welding position for welding.
Compared with the prior art, the invention has the beneficial effects that:
the manufacturing method of the launching device water tank structural member is suitable for assembling all parts of the launching device water tank, and improves the production efficiency; meanwhile, the manufacturing method is suitable for welding all parts of the water tank of the launching device, and the forming precision of the water tank is ensured; in addition, the simple and easy but reuse's adjustable inner ring shape support frock of preapring for an unfavorable turn of events has been designed, has reduced manufacturing cost, has reduced the manufacturing degree of difficulty. Therefore, the invention has the advantages of low production cost, high production efficiency, low manufacturing difficulty and high forming precision.
Drawings
Fig. 1 is a schematic structural diagram of a water tank structural member of a launching device.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a schematic view of the upper and lower base plate position lines drawn on the upper surface of the middle flange.
FIG. 4 is a schematic view of the middle flange with the upper and lower base plates welded thereon.
Fig. 5 is a schematic structural view of the support plate.
Fig. 6 is a schematic view of the structure of the iron wedge.
FIG. 7 is a schematic view of the assembly and welding of the annular rib plate, the support plate and the iron wedge tool.
Fig. 8 is a schematic view of the installation structure of the iron wedge.
FIG. 9 is a schematic view of the steel pipe anti-deformation support additionally arranged between the annular rib plates.
FIG. 10 is a schematic view of the jar base assembly nesting in the jar body.
FIG. 11 is a schematic view of the welded cylinder body, the front flange and the rear flange of the cylinder.
FIG. 12 is a schematic view of the assembly and welding of a cylinder base assembly to a cylinder barrel.
FIG. 13 is a schematic view of the longitudinal seam of the cylinder barrel in a horizontal position.
In the figure: the anti-deformation water cylinder comprises a middle flange 1, an upper base plate 2, a lower base plate 3, an annular rib plate 4, an upper longitudinal rib plate 5, an upper longitudinal rib plate 6, an upper ring rib 7, an upper longitudinal rib plate 8, a lower longitudinal rib plate 9, a lower longitudinal rib plate 10, a water cylinder barrel 11, a water cylinder rear flange 12, a water cylinder front flange 13, a welding platform 14, a supporting plate 15, a groove 151, an iron wedge 16, a steel pipe anti-deformation support 17, a water cylinder base component 18, an idler wheel jig frame 19, a channel steel support 20, a longitudinal stacking plate 21, a transverse stacking plate 22 and a water cylinder barrel longitudinal seam 23.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 13, a method for manufacturing a structural member of a water tank of a launching device, the method comprising the steps of:
A. firstly, a middle flange 1 is horizontally arranged on a welding platform 14, position lines of an upper seat plate 2 and a lower base plate 3 are scribed on the upper surface of the middle flange 1, then the upper seat plate 2 and the lower base plate 3 are vertically arranged on the middle flange 1 according to the position lines in an aligned mode, and the middle flange 1 is fixed through positioning welding;
B. the adjustable inner ring anti-deformation supporting tool is arranged in the annular rib plate 4;
C. the lower bottom plate 3 is horizontally arranged on a jack, and an annular rib plate 4, a first upper longitudinal rib plate 5, a second upper longitudinal rib plate 6, an upper annular rib 7, a third upper longitudinal rib plate 8, a first lower longitudinal rib plate 9 and a second lower longitudinal rib plate 10 are sequentially welded;
D. welding seams among all parts are welded, and the specific welding sequence is as follows:
d1, welding the welding seams between the flange 1 and the upper base plate 2 and the lower base plate 3: welding by adopting a skip welding method from the middle to the two sides, and welding one welding seam into two layers and then welding the other welding seam;
d2, welding the welding seams between the annular rib plate 4 and the upper base plate 2 and the lower base plate 3: firstly welding the middle annular rib plate 4, and then respectively welding the annular rib plates 4 at two sides; during welding, welding seams between the annular rib plates 4 and the lower base plate 3 are welded from the middle to the two sides, after the two layers are welded, the welding seams between the annular rib plates 4 and the upper base plate 2 are welded after turning over, and the welding seams are welded from the middle to the two sides;
d3, welding the first upper longitudinal rib plate 5, the second upper longitudinal rib plate 6, the third upper longitudinal rib plate 8, the first lower longitudinal rib plate 9 and the second lower longitudinal rib plate 10 with the welding seams between the upper seat plate 2 and the lower bottom plate 3: welding by adopting a skip welding method, respectively welding from the middle to the two sides, and welding the next layer after cleaning the layers after welding one layer;
d4, welding the upper ring rib 7 with the upper seat plate 2, the second upper longitudinal rib plate 6 and the third upper longitudinal rib plate 8: horizontally placing the upper seat plate 2 on a welding platform 14 to ensure that the positions to be welded are kept at a flat welding position, welding the upper ring ribs 7 in the middle, and then respectively welding the upper ring ribs 7 on the two sides;
E. after the above processes are completed, a water cylinder base component 18 is formed, and then the water cylinder barrel 11, the water cylinder front flange 13 and the water cylinder rear flange 12 are welded, and the concrete steps are as follows:
e1, assembling a water cylinder body 11, a water cylinder front flange 13 and a water cylinder rear flange 12: firstly, additionally installing adjustable inner ring anti-deformation supporting tools in the middle and two ends of the inner side of a water cylinder barrel 11, vertically placing the water cylinder barrel 11 on a welding platform 14, then lifting a water cylinder base assembly 18 by a crane to enable the water cylinder base assembly to be sleeved into the water cylinder barrel 11 from the upper part of the water cylinder barrel 11, horizontally placing the water cylinder barrel 11 on a roller jig 19, and then welding a water cylinder front flange 13 and a water cylinder rear flange 12 at the horizontal welding position of the water cylinder barrel 11;
e2, welding the water cylinder body 11 with the water cylinder front flange 13 and the water cylinder rear flange 12: placing the outer cylinder at the front section of the water cylinder barrel 11 on a roller jig 19, arranging two persons to weld the front flange 13 and the rear flange 12 of the water cylinder simultaneously, welding the inner side weld of the water cylinder barrel 11 firstly during welding, performing back gouging on the outer side of the water cylinder barrel 11 after welding two layers, welding the outer side weld of the water cylinder barrel 11 fully after back gouging, and welding the inner side weld fully after welding the outer side weld;
e3, positioning and assembling the water cylinder body 11 and the water cylinder base component 18: firstly, rotating the water cylinder barrel 11 on the roller jig 19 to enable the longitudinal seam 23 of the water cylinder barrel to be in a horizontal position, then rotating the water cylinder base assembly 18 along the circumferential direction of the water cylinder barrel 11 to enable the upper seat plate 2 to be rotated to the horizontal position, then axially sliding the water cylinder base assembly 18 along the water cylinder barrel 11, and checking and ensuring the distance between the rear end face of the middle flange 1 and the rear flange 12 of the water cylinder;
e4, welding the water cylinder body 11 and the water cylinder base component 18, and specifically comprises the following steps:
e41, welding the welding seam between the flange 1 and the water cylinder barrel 11: welding two layers of groove weld seams at the side close to the water cylinder base component 18, then welding the groove weld seams at the side close to the water cylinder rear flange 12 fully, and then welding the groove weld seams at the side close to the water cylinder base component 18 fully;
e42, welding the welding seam between the annular rib plate 4 and the water cylinder barrel 11: firstly welding the middle annular rib plate 4, then respectively welding the annular rib plates 4 at two sides, welding two layers of front side welding seams, fully welding the back side welding seams and fully welding the front side welding seams when welding each annular rib plate 4;
e43, welding the welding seams between the first upper longitudinal rib plate 5, the second upper longitudinal rib plate 6, the third upper longitudinal rib plate 8, the first lower longitudinal rib plate 9, the second lower longitudinal rib plate 10 and the water cylinder barrel 11: welding two layers of welding seams at one side of the longitudinal rib plate, fully welding the welding seams at the other side of the longitudinal rib plate, and fully welding the welding seams at one side of the longitudinal rib plate;
e44, welding the welding seam between the ring rib plate 7 and the water cylinder barrel 11.
The adjustable inner ring deformation-prevention supporting tool comprises a supporting plate 15 and an iron wedge 16, the supporting plate 15 is of an annular structure, a plurality of grooves 151 are uniformly formed in the outer circumferential surface of the supporting plate 15, and the iron wedge 16 is inserted into the grooves 151 after the supporting plate 15 is installed into the annular rib plate 4 and the water cylinder barrel 11.
Two iron wedges 16 located in the diameter direction of the support plate 15 are inserted into the grooves 151 from both sides of the support plate 15, respectively.
In the step C, a steel pipe anti-deformation support 17 is additionally arranged between the adjacent annular rib plates 4.
And D, before welding the welding seams among the parts, performing primary backing welding on the welding seams among the parts, and turning over the welding seams during welding so as to enable the positions to be welded to be in a flat welding position or a ship-shaped welding position.
In step E1, after the water jar base assembly 18 is sleeved into the water jar barrel 11, the water jar base assembly 18 can slide along the axial direction and the circumferential direction of the water jar barrel 11.
In step E2, during welding, the roller jig 19 is rotated to place the position to be welded in the flat welding position and the interlayer oxides and slag are cleaned.
In step E3, after the distance between the rear end face of the middle flange 1 and the rear flange 12 of the water tank is determined, four channel steel supports 20 are additionally installed between the middle flange 1 and the rear flange 12 of the water tank, and the lower base plate 3 is respectively fixed by the transverse stacking plate 22 and the longitudinal stacking plate 21.
In step E4, before welding, all welds are subjected to one layer of backing weld.
In step E4, the front section outer cylinder of the cylinder body 11 is rotated or turned over during the welding process, so that the position to be welded is in the flat welding position or the ship-shaped welding position for welding.
The principle of the invention is illustrated as follows:
through research, the design invents a set of assembly process suitable for parts of the water tank of the transmitting device shown in figure 1, invents a welding process suitable for the water tank of the transmitting device, designs a simple and reusable adjustable inner ring deformation-preventing supporting tool, reduces the production cost, improves the production efficiency, reduces the manufacturing difficulty and ensures the forming precision.
When the upper seat plate and the lower base plate are welded on the middle flange, the upper seat plate and the lower base plate are vertically arranged on the middle flange tooling plate in an aligned mode according to a sample line, the sizes shown in figures 3 and 4 are checked and guaranteed, and the upper seat plate and the lower base plate are fixed by tack welding after the sizes are qualified. The adjustable inner ring anti-deformation supporting tool is welded on the annular rib plate, and adjacent iron wedges are symmetrically assembled. And before welding, performing primary backing welding on all welding seams to increase the connection strength among parts. Horizontally placing a water cylinder barrel on a roller jig frame, and welding front and rear flanges of the water cylinder at a flat welding position; and fixing the front and rear flanges of the water cylinder and the water cylinder barrel by tack welding, and fixing the water cylinder barrel and the water cylinder base component by tack welding at the moment.
Application example: the technical scheme solves the problems that the dimension precision of the modified water vat is difficult to control and the like; the manufacturing process has the advantages of high efficiency, low cost and easy operation, and has been successfully applied to the water vat of the launching device manufactured by the company, thereby having remarkable social and economic benefits.
Example (b):
a method of manufacturing a structural member for a water tank of a launching device, the method comprising the steps of:
A. firstly, a middle flange 1 is horizontally arranged on a welding platform 14, position lines of an upper seat plate 2 and a lower base plate 3 are scribed on the upper surface of the middle flange 1, then the upper seat plate 2 and the lower base plate 3 are vertically arranged on the middle flange 1 according to the position lines in an aligned mode, and the middle flange 1 is fixed by adopting positioning welding, as shown in figures 3 and 4;
B. the adjustable inner ring anti-deformation supporting tool is arranged in the annular rib plate 4; the adjustable inner ring deformation-preventing supporting tool comprises a supporting plate 15 and an iron wedge 16, wherein the supporting plate 15 is of an annular structure, a plurality of grooves 151 are uniformly formed in the outer circumferential surface of the supporting plate 15, and the iron wedge 16 is inserted into the grooves 151 after the supporting plate 15 is arranged in the annular rib plate 4 and the water cylinder barrel 11; two iron wedges 16 located in the diameter direction of the support plate 15 are inserted into the grooves 151 from both sides of the support plate 15, respectively, as shown in fig. 5 to 8;
C. the lower bottom plate 3 is horizontally arranged on a jack, and an annular rib plate 4, a first upper longitudinal rib plate 5, a second upper longitudinal rib plate 6, an upper annular rib 7, a third upper longitudinal rib plate 8, a first lower longitudinal rib plate 9 and a second lower longitudinal rib plate 10 are sequentially welded; a steel pipe anti-deformation support 17 is additionally arranged between the adjacent annular rib plates 4, as shown in figure 9;
D. welding seams among all parts are welded, and the specific welding sequence is as follows:
d1, welding the welding seams between the flange 1 and the upper base plate 2 and the lower base plate 3: welding by adopting a skip welding method from the middle to the two sides, and welding one welding seam into two layers and then welding the other welding seam;
d2, welding the welding seams between the annular rib plate 4 and the upper base plate 2 and the lower base plate 3: firstly welding the middle annular rib plate 4, and then respectively welding the annular rib plates 4 at two sides; during welding, welding seams between the annular rib plates 4 and the lower base plate 3 are welded from the middle to the two sides, after the two layers are welded, the welding seams between the annular rib plates 4 and the upper base plate 2 are welded after turning over, and the welding seams are welded from the middle to the two sides;
d3, welding the first upper longitudinal rib plate 5, the second upper longitudinal rib plate 6, the third upper longitudinal rib plate 8, the first lower longitudinal rib plate 9 and the second lower longitudinal rib plate 10 with the welding seams between the upper seat plate 2 and the lower bottom plate 3: welding by adopting a skip welding method, respectively welding from the middle to the two sides, and welding the next layer after cleaning the layers after welding one layer;
d4, welding the upper ring rib 7 with the upper seat plate 2, the second upper longitudinal rib plate 6 and the third upper longitudinal rib plate 8: horizontally placing the upper seat plate 2 on a welding platform 14 to ensure that the positions to be welded are kept at a flat welding position, welding the upper ring ribs 7 in the middle, and then respectively welding the upper ring ribs 7 on the two sides;
before welding the welding seams among the parts, performing one-layer backing welding on the welding seams among the parts, and turning over the welding seams during welding so as to enable the positions to be welded to be in a flat welding position or a ship-shaped welding position;
E. after the above processes are completed, a water cylinder base component 18 is formed, and then the water cylinder barrel 11, the water cylinder front flange 13 and the water cylinder rear flange 12 are welded, and the concrete steps are as follows:
e1, assembling a water cylinder body 11, a water cylinder front flange 13 and a water cylinder rear flange 12: firstly, additionally installing adjustable inner ring anti-deformation supporting tools in the middle and two ends of the inner side of a water cylinder barrel 11, vertically placing the water cylinder barrel 11 on a welding platform 14, then lifting a water cylinder base assembly 18 by a crane to enable the water cylinder base assembly to be sleeved into the water cylinder barrel 11 from the upper part of the water cylinder barrel 11, horizontally placing the water cylinder barrel 11 on a roller jig 19, and then welding a water cylinder front flange 13 and a water cylinder rear flange 12 at the horizontal welding position of the water cylinder barrel 11; after the water vat base component 18 is sleeved into the water vat cylinder 11, the water vat base component 18 can slide along the axial direction and the circumferential direction of the water vat cylinder 11, as shown in fig. 10 and 11;
e2, welding the water cylinder body 11 with the water cylinder front flange 13 and the water cylinder rear flange 12: placing the outer cylinder at the front section of the water cylinder barrel 11 on a roller jig 19, arranging two persons to weld the front flange 13 and the rear flange 12 of the water cylinder simultaneously, welding the inner side weld of the water cylinder barrel 11 firstly during welding, performing back gouging on the outer side of the water cylinder barrel 11 after welding two layers, welding the outer side weld of the water cylinder barrel 11 fully after back gouging, and welding the inner side weld fully after welding the outer side weld; in the welding process, the roller jig 19 is rotated to enable the position to be welded to be placed in a flat welding position, and interlayer oxides and slag are cleaned;
e3, positioning and assembling the water cylinder body 11 and the water cylinder base component 18: firstly, rotating the water cylinder barrel 11 on the roller jig 19 to enable the longitudinal seam 23 of the water cylinder barrel to be in a horizontal position, then rotating the water cylinder base assembly 18 along the circumferential direction of the water cylinder barrel 11 to enable the upper seat plate 2 to be rotated to the horizontal position, then axially sliding the water cylinder base assembly 18 along the water cylinder barrel 11, and checking and ensuring the distance between the rear end face of the middle flange 1 and the rear flange 12 of the water cylinder; after the distance between the rear end face of the middle flange 1 and the water cylinder rear flange 12 is determined, four channel steel supports 20 are additionally arranged between the middle flange 1 and the water cylinder rear flange 12, and the lower bottom plate 3 is respectively fixed by a transverse code plate 22 and a longitudinal code plate 21, as shown in fig. 12 and 13;
e4, welding the water cylinder body 11 and the water cylinder base component 18, and specifically comprises the following steps:
e41, welding the welding seam between the flange 1 and the water cylinder barrel 11: welding two layers of groove weld seams at the side close to the water cylinder base component 18, then welding the groove weld seams at the side close to the water cylinder rear flange 12 fully, and then welding the groove weld seams at the side close to the water cylinder base component 18 fully;
e42, welding the welding seam between the annular rib plate 4 and the water cylinder barrel 11: firstly welding the middle annular rib plate 4, then respectively welding the annular rib plates 4 at two sides, welding two layers of front side welding seams, fully welding the back side welding seams and fully welding the front side welding seams when welding each annular rib plate 4;
e43, welding the welding seams between the first upper longitudinal rib plate 5, the second upper longitudinal rib plate 6, the third upper longitudinal rib plate 8, the first lower longitudinal rib plate 9, the second lower longitudinal rib plate 10 and the water cylinder barrel 11: welding two layers of welding seams at one side of the longitudinal rib plate, fully welding the welding seams at the other side of the longitudinal rib plate, and fully welding the welding seams at one side of the longitudinal rib plate;
e44, welding the welding seam between the ring rib plate 7 and the water cylinder barrel 11: rotating or overturning the outer cylinder at the front section of the water cylinder barrel 11 in the welding process so as to enable the position to be welded to be in a flat welding position or a ship-shaped welding position for welding;
and before welding, performing one-layer backing welding on all welding seams.
Claims (10)
1. A manufacturing method of a launching device water cylinder structural part is characterized by comprising the following steps:
A. firstly, a middle flange (1) is horizontally arranged on a welding platform (14), position lines of an upper seat plate (2) and a lower base plate (3) are respectively scribed on the upper surface of the middle flange (1), then the upper seat plate (2) and the lower base plate (3) are vertically arranged on the middle flange (1) according to the position lines in an aligned mode, and positioning welding is adopted for fixing;
B. the adjustable inner ring anti-deformation supporting tool is arranged in the annular rib plate (4);
C. the lower bottom plate (3) is horizontally arranged on the jack, and an annular rib plate (4), a first upper longitudinal rib plate (5), a second upper longitudinal rib plate (6), an upper annular rib (7), a third upper longitudinal rib plate (8), a first lower longitudinal rib plate (9) and a second lower longitudinal rib plate (10) are sequentially welded;
D. welding seams among all parts are welded, and the specific welding sequence is as follows:
d1, weld between flange (1) and upper plate (2), lower plate (3) in the welding: welding by adopting a skip welding method from the middle to the two sides, and welding one welding seam into two layers and then welding the other welding seam;
d2, welding the welding seams between the annular rib plate (4) and the upper seat plate (2) and the lower bottom plate (3): firstly welding the middle annular rib plate (4), and then respectively welding the annular rib plates (4) at two sides; during welding, welding seams between the annular rib plates (4) and the lower base plate (3) are welded firstly, the welding seams are welded from the middle to the two sides, after the two layers are welded, the welding seams between the annular rib plates (4) and the upper seat plate (2) are turned over and then welded from the middle to the two sides;
d3, weld the welding seam between longitudinal rib plate (5) on one number, longitudinal rib plate (6) on two numbers, longitudinal rib plate (8) on three numbers, longitudinal rib plate (9) under one number, longitudinal rib plate (10) and upper plate (2) and lower plate (3) under two numbers: welding by adopting a skip welding method, respectively welding from the middle to the two sides, and welding the next layer after cleaning the layers after welding one layer;
d4, welding the upper ring rib (7) and the welding seams between the upper seat plate (2), the second upper longitudinal rib plate (6) and the third upper longitudinal rib plate (8): horizontally placing the upper seat plate (2) on a welding platform (14) to ensure that the position to be welded keeps a flat welding position, welding the middle upper ring rib (7) firstly, and then respectively welding the upper ring ribs (7) at the two sides;
E. after the above-mentioned process is accomplished, form jar base subassembly (18), later, dress welding jar barrel (11), jar front flange (13), jar rear flange (12), concrete step is as follows:
e1, assembling a water cylinder barrel (11), a water cylinder front flange (13) and a water cylinder rear flange (12): firstly, additionally installing adjustable inner ring anti-deformation supporting tools at the middle part and two ends of the inner side of a water cylinder body (11), vertically placing the water cylinder body (11) on a welding platform (14), then lifting a water cylinder base assembly (18) by a crane to enable the water cylinder base assembly to be sleeved into the water cylinder body (11) from the upper part of the water cylinder body (11), horizontally placing the water cylinder body (11) on a roller jig (19), and then welding a water cylinder front flange (13) and a water cylinder rear flange (12) at the horizontal welding position of the water cylinder body (11);
e2, welding the water cylinder body (11) with the water cylinder front flange (13) and the water cylinder rear flange (12): placing the outer cylinder at the front section of the water cylinder barrel (11) on a roller jig (19), arranging two persons to weld the front flange (13) and the rear flange (12) of the water cylinder simultaneously, welding the inner side weld of the water cylinder barrel (11) firstly during welding, back chipping the outer side of the water cylinder barrel (11) after welding two layers, fully welding the outer side weld of the water cylinder barrel (11) after back chipping, and fully welding the inner side weld after fully welding the outer side weld;
e3, positioning and assembling the water cylinder body (11) and the water cylinder base component (18): firstly, rotating a water cylinder body (11) on a roller jig (19) to enable a longitudinal seam (23) of the water cylinder body to be in a horizontal position, then rotating a water cylinder base component (18) along the circumferential direction of the water cylinder body (11) to enable an upper seat plate (2) to be rotated to the horizontal position, then axially sliding the water cylinder base component (18) along the water cylinder body (11), and checking and ensuring the distance between the rear end face of a middle flange (1) and a rear flange (12) of the water cylinder;
e4, welding the water cylinder body (11) and the water cylinder base assembly (18), and specifically comprises the following steps:
e41, welding the welding seam between the flange (1) and the water cylinder barrel (11): welding two layers of groove weld seams at the side close to the water cylinder base component (18), then welding the groove weld seams at the side close to the water cylinder rear flange (12) fully, and then welding the groove weld seams at the side close to the water cylinder base component (18) fully;
e42, welding the welding seam between the annular rib plate (4) and the water cylinder barrel body (11): firstly welding the middle annular rib plate (4), then respectively welding the annular rib plates (4) at two sides, and when welding each annular rib plate (4), firstly welding two layers of front side welding seams, then welding the back side welding seams fully, and then welding the front side welding seams fully;
e43, welding a first upper longitudinal rib plate (5), a second upper longitudinal rib plate (6), a third upper longitudinal rib plate (8), a first lower longitudinal rib plate (9), a second lower longitudinal rib plate (10) and a welding seam between the water cylinder barrel body (11): welding two layers of welding seams at one side of the longitudinal rib plate, fully welding the welding seams at the other side of the longitudinal rib plate, and fully welding the welding seams at one side of the longitudinal rib plate;
e44, welding the welding seam between the annular rib plate (7) and the water cylinder barrel (11).
2. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: the adjustable inner ring deformation-prevention supporting tool comprises a supporting plate (15) and an iron wedge (16), the supporting plate (15) is of an annular structure, a plurality of grooves (151) are uniformly formed in the outer circumferential surface of the supporting plate (15), and the iron wedge (16) is inserted into the grooves (151) after the supporting plate (15) is installed into the annular rib plate (4) and the water cylinder barrel body (11).
3. The method for manufacturing the structural member of the launching device water tank as claimed in claim 2, wherein: two iron wedges (16) positioned in the diameter direction of the supporting plate (15) are respectively inserted into the grooves (151) from two sides of the supporting plate (15).
4. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: and in the step C, a steel pipe anti-deformation support (17) is additionally arranged between the adjacent annular rib plates (4).
5. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: and D, before welding the welding seams among the parts, performing primary backing welding on the welding seams among the parts, and turning over the welding seams during welding so as to enable the positions to be welded to be in a flat welding position or a ship-shaped welding position.
6. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: in the step E1, after the water cylinder base component (18) is sleeved into the water cylinder barrel (11), the water cylinder base component (18) can slide along the axial direction and the circumferential direction of the water cylinder barrel (11).
7. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: in step E2, during welding, the roller jig (19) is rotated to place the position to be welded in the flat welding position and the interlayer slag is cleaned.
8. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: in the step E3, after the distance between the rear end face of the middle flange (1) and the water cylinder rear flange (12) is determined, four channel steel supports (20) are additionally arranged between the middle flange (1) and the water cylinder rear flange (12), and the lower base plate (3) is respectively provided with the transverse code plate (22) and the longitudinal code plate (21) for fixing.
9. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: in step E4, before welding, all welds are subjected to one layer of backing weld.
10. The method for manufacturing the structural member of the launching device water tank as claimed in claim 1, wherein: in the step E4, the front section outer cylinder of the water cylinder barrel (11) is rotated or turned over in the welding process, so that the position to be welded is in a flat welding position or a ship-shaped welding position for welding.
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