CN110340558B - Manufacturing method of turbine pump launching water tank structural member - Google Patents
Manufacturing method of turbine pump launching water tank structural member Download PDFInfo
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- CN110340558B CN110340558B CN201910429095.1A CN201910429095A CN110340558B CN 110340558 B CN110340558 B CN 110340558B CN 201910429095 A CN201910429095 A CN 201910429095A CN 110340558 B CN110340558 B CN 110340558B
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a manufacturing method of a turbo pump launching water tank structural member, and belongs to the field of machining. The structure part of the launching water tank of the turbopump is divided into a base component, a barrel component, a reinforcing connecting pipe and a lifting lug. Sequentially and independently welding the rib plate, the arc-shaped plate and the bottom plate in the base assembly, wherein the rib plate and the arc-shaped plate are supported by the bottom plate, and the base assembly is likely to generate smaller deformation; and welding two flanges and the annular plate in the barrel assembly and the barrel, wherein the structure is symmetrical, large deformation cannot be generated, and finally welding the barrel to the arc-shaped plate and sequentially welding the reinforcing connecting pipe and the lifting lug to the barrel. Structural division is reasonable, and barrel and flange and annular plate can support the barrel, and the bottom plate also can effectively support the arc with a plurality of gusset, and the deformation that actually wholly can produce is less, and the shaping precision of the turbopump launching tank structure that finally obtains can obtain the improvement.
Description
Technical Field
The invention relates to the field of machining, in particular to a manufacturing method of a turbine pump launching water tank structural member.
Background
The turbine pump launching water tank structure is an important component of the turbine pump. The turbine pump launching water tank structural part is formed in an actual manufacturing mode, and is usually formed through welding. However, the structure of the turbopump launching water tank structure comprises a bottom plate, a plurality of rib plates welded on the bottom plate, a cylinder body welded with the plurality of rib plates and a reinforcing connecting pipe welded on the cylinder body, and the structure of the turbopump launching water tank structure is complex. During specific welding, the internal welding stress of the structural member of the turbine pump launching water tank is large, the welding deformation is large, and the welding deformation is difficult to control, so that the forming precision of the turbine pump launching water tank is low.
Disclosure of Invention
The embodiment of the invention provides a manufacturing method of a turbine pump launching water tank structural member, which can improve the forming precision of the turbine pump launching water tank structural member. The technical scheme is as follows:
the embodiment of the invention provides a manufacturing method of a turbine pump launching water tank structural part, which comprises the following steps:
providing a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug to be welded;
welding a plurality of rib plates of the base assembly to a bottom plate of the base assembly, and welding an arc-shaped plate of the base assembly to the plurality of rib plates;
welding the two flanges of the barrel assembly and the annular plate of the barrel assembly to the barrel of the barrel assembly;
welding the cylinder to the arc-shaped plate, wherein the axis of the cylinder is coincident with the axis of the arc-shaped plate;
welding the cylinder body and a rib plate of the base assembly;
welding the reinforcing connecting pipe to the cylinder;
and welding the lifting lug to the barrel assembly to obtain the turbine pump launching water tank structural member.
Optionally, the welding the plurality of rib plates of the base assembly to the bottom plate of the base assembly includes:
drawing contour lines of the rib plates on the bottom plate;
and welding the plurality of rib plates on the bottom plate along the contour line.
Optionally, the welding the two flanges of the barrel assembly and the annular plate of the barrel assembly to the barrel of the barrel assembly comprises:
coaxially tack-welding the annular plate to the barrel;
respectively coaxially positioning and welding the two flanges to two ends of the cylinder;
welding the annular plate and the cylinder;
and welding the two flanges and the cylinder body.
Optionally, the respectively coaxial tack welding the two flanges to the two ends of the cylinder includes:
placing one of the flanges on a platform, and placing the cylinder coaxially on the end face of one of the flanges;
using a plumb to adjust the axis of the barrel to be coaxial with the axis of one of the flanges;
welding one flange and the cylinder in a positioning way;
placing the other flange coaxially on the cylinder;
adjusting the axis of the other flange to be coaxial with the axis of the cylinder by using a plumb bob;
and positioning and welding the other flange and the barrel.
Optionally, the manufacturing method further includes:
and before the cylinder is welded on the arc-shaped plate, processing one surface of the bottom plate, which is far away from the rib plate.
Optionally, the manufacturing method further includes:
after the surface of the bottom plate far away from the rib plate is processed, before the cylinder body is welded on the arc-shaped plate,
drawing a cross line on one of the flanges;
placing the cylinder on the arc plate;
a plumb is used to adjust one of the crosshairs to the vertical horizontal plane.
Optionally, the manufacturing method further includes:
after the cylinder is welded to the arc-shaped plate and before the reinforcing connecting pipe is welded to the cylinder,
and forming a welding hole of the reinforcing connecting pipe on the cylinder by using flame cutting.
Optionally, the manufacturing method further includes:
machining an end face of the reinforcing connection tube prior to welding the reinforcing connection tube to the cylinder.
Optionally, the manufacturing method further includes:
providing a support plate and a U-shaped clamp, wherein the support plate is provided with a mounting groove;
placing the reinforcing connecting pipe in the mounting groove, fixing the reinforcing connecting pipe on the supporting plate by using the U-shaped clamp, wherein the end surface of the reinforcing connecting pipe is abutted against the bottom surface of the mounting groove;
and welding the reinforcing connecting pipe and the cylinder body.
Optionally, the surface roughness of the end face of the stiffening adapter is less than 6.3 μm.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: when the turbine pump launching water tank structural part is actually welded, the turbine pump launching water tank structural part is divided into a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug. Sequentially and independently welding the rib plate, the arc-shaped plate and the bottom plate in the base assembly, wherein the rib plate and the arc-shaped plate are supported by the bottom plate, and the base assembly is likely to generate smaller deformation; and welding two flanges and the annular plate in the barrel assembly and the barrel, wherein the structure is symmetrical, large deformation cannot be generated, and finally welding the barrel to the arc-shaped plate and sequentially welding the reinforcing connecting pipe and the lifting lug to the barrel. Overall structure divides comparatively rationally, especially when welding barrel and gusset and barrel and this part easy deformation's of arc region, barrel and flange and annular slab can support the barrel, and bottom plate and a plurality of gusset also can effectively support the arc, and the deformation that actually wholly can produce is less, and the shaping precision of the turbopump launching tank structure that finally obtains can obtain the improvement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below,
FIG. 1 is a flow chart of a method for manufacturing a structural member of a launching water tank of a turbine pump according to an embodiment of the invention;
FIG. 2 is a flow chart of another method for manufacturing a structural member of a turbine pump launch water tank according to an embodiment of the invention;
fig. 3 to 8 are flow charts of manufacturing processes of the structural member of the turbine pump launching water tank according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flow chart of a method for manufacturing a structural member of a turbine pump launch water tank according to an embodiment of the present invention, as shown in fig. 1, the method includes:
s101: and providing a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug to be welded.
S102: welding a plurality of rib plates of the base assembly to a bottom plate of the base assembly, and welding an arc-shaped plate of the base assembly to the plurality of rib plates.
S103: the two flanges of the cartridge assembly and the annular plate of the cartridge assembly are welded to the cartridge of the cartridge assembly.
S104: and welding the cylinder body to the arc-shaped plate, wherein the axis of the cylinder body is superposed with the axis of the arc-shaped plate.
S105: and welding the cylinder body and the rib plate of the base assembly.
S106: welding the reinforcing connecting pipe to the cylinder body.
S107: and welding the lifting lug to the barrel assembly to obtain the turbine pump launching water tank structural member.
When the turbine pump launching water tank structural part is actually welded, the turbine pump launching water tank structural part is divided into a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug. Sequentially and independently welding the rib plate, the arc-shaped plate and the bottom plate in the base assembly, wherein the rib plate and the arc-shaped plate are supported by the bottom plate, and the base assembly is likely to generate smaller deformation; and welding two flanges and the annular plate in the barrel assembly and the barrel, wherein the structure is symmetrical, large deformation cannot be generated, and finally welding the barrel to the arc-shaped plate and sequentially welding the reinforcing connecting pipe and the lifting lug to the barrel. Overall structure divides comparatively rationally, especially when welding barrel and gusset and barrel and this part easy deformation's of arc region, barrel and flange and annular slab can support the barrel, and bottom plate and a plurality of gusset also can effectively support the arc, and the deformation that actually wholly can produce is less, and the shaping precision of the turbopump launching tank structure that finally obtains can obtain the improvement.
Fig. 2 is a flow chart of another manufacturing method of a turbine pump launching water tank structural member according to an embodiment of the present invention, and as shown in fig. 2, the manufacturing method includes:
s201: and providing a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug to be welded.
S202: welding a plurality of rib plates of the base assembly to a bottom plate of the base assembly, and welding an arc-shaped plate of the base assembly to the plurality of rib plates.
In step S202, welding the plurality of rib plates of the base assembly to the bottom plate of the base assembly may include:
drawing contour lines of a plurality of rib plates on a bottom plate;
and a plurality of rib plates are welded on the bottom plate along the contour line.
The welding mode can ensure the dimensional accuracy between the bottom plate and the rib plate.
Optionally, before the contour lines of the plurality of rib plates are drawn on the bottom plate, cross lines can be drawn on the bottom plate, and the contour lines of the plurality of rib plates can be drawn on the bottom plate based on the cross lines. The drawn outline of the rib plate is accurate.
For ease of understanding, fig. 3 is provided herein, and in fig. 3, the cross 1a on the base plate 1 and the contour 1b of the plurality of webs 2 are marked.
Fig. 4 is a schematic view of a base plate welded with a plurality of rib plates according to an embodiment of the present invention, and with reference to fig. 4, when actually welding a plurality of rib plates to the base plate, the rib plates 2 and 3 serving as a frame may be welded first, then the rib plates 4 and 5 connected to the inside of the rib plates 2 and 3 may be welded in sequence, and finally the rib plates 6 and 7 connected to the outside of the rib plates 2 and 3 may be welded. At the moment, the deformation generated when the rib plates are welded is small.
For example, in step S202, when the arc-shaped plate is welded to the plurality of rib plates, the center line of the arc-shaped plate may also be drawn on the arc-shaped plate, and then the center line of the arc-shaped plate corresponding to the bottom plate is mounted on the plurality of rib plates according to the center line of the arc-shaped plate, so as to ensure the dimensional accuracy of the overall structure position.
S203: the two flanges of the cartridge assembly and the annular plate of the cartridge assembly are welded to the cartridge of the cartridge assembly.
Step S203 may include:
and coaxially positioning and welding the annular plate to the cylinder.
And respectively and coaxially welding the two flanges to the two ends of the cylinder in a positioning manner.
And welding the annular plate and the cylinder.
And welding the two flanges and the cylinder body.
In the welding mode, the annular plate is welded to the barrel body firstly, deformation is small, the two flanges and the barrel body are welded respectively, the annular plate can support the barrel body to a certain extent, and deformation generated by the whole welding mode is small.
Wherein, with two flange coaxial tack welds to the both ends of barrel respectively, can include:
a flange is placed on the platform, and the cylinder is coaxially placed on the end face of the flange.
A plumb is used to adjust the axis of the barrel to be coaxial with the axis of one of the flanges.
And positioning and welding a flange and the cylinder body.
The other flange is placed coaxially on the cylinder.
A plumb is used to adjust the axis of the other flange to be coaxial with the axis of the barrel.
And positioning and welding the other flange and the cylinder body.
When two flanges and the barrel are welded in a positioning mode, the plumb is adopted to adjust whether the axes of the three are coaxial, the accuracy of the relative positions of the three can be effectively guaranteed, and the size precision of the finally obtained turbine pump launching water tank structural part is improved.
It should be noted that the plumb used in this embodiment may include a conical block, a connecting line and a flat plate, and two ends of the connecting line are respectively connected to the end surface of the conical block and the flat plate. During actual use, the flat plate is flatly placed on the end face of the flange or the cylinder, the conical block is hung to the ground, the connecting line is straightened, and whether the connecting line is perpendicular to the plate face of the flat plate or not is judged.
Illustratively, the manufacturing method provided by the embodiment of the invention may further include:
before the cylinder is welded on the arc-shaped plate, one surface of the bottom plate, which is far away from the rib plate, is processed. The surface of the bottom plate far away from the rib plate is processed, so that the surface precision of the bottom plate far away from the rib plate can be improved, and the improvement of the relative position precision between the cylinder and the arc plate is facilitated.
Wherein, the surface roughness of the surface of the bottom plate far away from the rib plate can be less than 6.3 μm. The quality of the obtained turbine pump launching water tank structural member is better.
Optionally, the manufacturing method may further include:
after the surface of the bottom plate far away from the rib plate is processed, before the cylinder body is welded on the arc-shaped plate,
a cross-hair is drawn on one of the flanges.
The cylinder is placed on the arc plate.
A plumb is used to adjust one of the crosshairs to the vertical level.
This way, the relative position precision between the cylinder and the arc-shaped plate can be further improved.
After step S203, the structural schematic diagram can be seen in fig. 5, and the cylinder 8 is welded to the two flanges 9 and the annular plate 10.
S204: and welding the cylinder body to the arc-shaped plate, wherein the axis of the cylinder body is superposed with the axis of the arc-shaped plate.
S205: and welding the cylinder body and the rib plate of the base assembly.
After steps S204 and S205 are performed, referring to fig. 6, the cylinder 8 is welded to the arc plate 11, the rib 2 (not shown), the rib 3 (not shown), the rib 6 and the rib 7. Flanges 9 are arranged at two ends of the cylinder body 8.
S206: and forming a welding hole of the reinforcing connecting pipe on the cylinder by using flame cutting.
Optionally, at this time, a welding hole of the reinforcing connecting pipe is formed on the cylinder by flame cutting, so that the deformation of the cylinder is small, and the dimensional accuracy of the cylinder can be ensured.
Optionally, the manufacturing method may further include:
and machining the end face of the reinforcing connecting pipe before welding the reinforcing connecting pipe to the cylinder. The end face of the reinforcing connecting pipe is machined, so that the subsequent positioning of the reinforcing connecting pipe can be facilitated, and the connection precision of the reinforcing connecting pipe is ensured.
Wherein the surface roughness of the end face of the reinforcing adapter may be less than 6.3 μm. The quality of the obtained turbine pump launching water tank structural member is better.
S207: welding the reinforcing connecting pipe to the cylinder body.
Wherein, step S207 may include:
providing a support plate and a U-shaped clamp, wherein the support plate is provided with a mounting groove;
placing the reinforcing connecting pipe in the mounting groove, fixing the reinforcing connecting pipe on the supporting plate by using a U-shaped clamp, and enabling the end face of the reinforcing connecting pipe to abut against the bottom surface of the mounting groove;
and welding the reinforcing connecting pipe and the cylinder.
The backup pad can be taken over the reinforcement with the U type clamp and carry out good location, avoids the reinforcement to take over the skew to appear in the position when welding with the barrel, has further assurance to the accuracy of the relative position of reinforcement takeover and barrel.
To facilitate understanding, fig. 7 is provided here, and as shown in fig. 7, the stiffening adapter 12 is fixed to the mounting groove 141 of the support plate 14 by the clevis 13, and the stiffening adapter 12 is opposed to the cylinder 8.
S208: and welding the lifting lug to the barrel assembly to obtain the turbine pump launching water tank structural member.
The resulting turbine pump launch water sump structure is shown in fig. 8. The bottom plate 1 is welded with a plurality of rib plates, the cylinder body 8, the arc-shaped plate 11, the flange 9, the reinforcing connecting pipe 12, the lifting lugs 15 and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A manufacturing method of a turbine pump launching water tank structural member is characterized by comprising the following steps:
providing a base assembly, a barrel assembly, a reinforcing connecting pipe and a lifting lug to be welded;
welding a plurality of rib plates of the base assembly to a bottom plate of the base assembly, and welding an arc-shaped plate of the base assembly to the plurality of rib plates;
welding the two flanges of the barrel assembly and the annular plate of the barrel assembly to the barrel of the barrel assembly;
welding the cylinder to the arc-shaped plate, wherein the axis of the cylinder is coincident with the axis of the arc-shaped plate;
welding the cylinder body and a rib plate of the base assembly;
welding the reinforcing connecting pipe to the cylinder;
welding the lifting lug to the barrel assembly to obtain a turbine pump launching water tank structural member;
the welding the two flanges of the cartridge assembly and the annular plate of the cartridge assembly to the cartridge of the cartridge assembly comprises:
the annular plate is coaxially tack welded to the cylinder,
respectively and coaxially welding the two flanges to the two ends of the cylinder in a positioning way,
welding the annular plate and the cylinder body,
welding the two flanges and the cylinder;
with two flange coaxial tack welding respectively extremely the both ends of barrel include:
placing one of the flanges on a platform, placing the cylinder coaxially on an end face of one of the flanges,
a plumb is used to adjust the axis of the cylinder to be coaxial with the axis of one of the flanges,
one flange and the cylinder body are positioned and welded,
placing the other of said flanges coaxially on said barrel,
the axis of the other flange is adjusted to be coaxial with the axis of the cylinder by using a plumb bob,
and positioning and welding the other flange and the barrel.
2. The method for manufacturing the structural member of the turbine pump launching water tank according to claim 1, wherein the step of welding the plurality of rib plates of the base assembly to the bottom plate of the base assembly comprises the following steps:
drawing contour lines of the rib plates on the bottom plate;
and welding the plurality of rib plates on the bottom plate along the contour line.
3. The method for manufacturing the structural member of the turbine pump launching water tank as claimed in claim 1 or 2, wherein the manufacturing method further comprises:
and before the cylinder is welded on the arc-shaped plate, processing one surface of the bottom plate, which is far away from the rib plate.
4. The method for manufacturing a structural member of a turbine pump launch water tank of claim 3, wherein the method for manufacturing further comprises:
after the surface of the bottom plate far away from the rib plate is processed, before the cylinder body is welded on the arc-shaped plate,
drawing a cross line on one of the flanges;
placing the cylinder on the arc plate;
a plumb is used to adjust one of the crosshairs to the vertical horizontal plane.
5. The method for manufacturing the structural member of the turbine pump launching water tank as claimed in claim 1 or 2, wherein the manufacturing method further comprises:
after the cylinder is welded to the arc-shaped plate and before the reinforcing connecting pipe is welded to the cylinder,
and forming a welding hole of the reinforcing connecting pipe on the cylinder by using flame cutting.
6. The method for manufacturing the structural member of the turbine pump launching water tank as claimed in claim 1 or 2, wherein the manufacturing method further comprises:
machining an end face of the reinforcing connection tube prior to welding the reinforcing connection tube to the cylinder.
7. The method for manufacturing a structural member of a turbine pump launch water tank of claim 6, wherein the method for manufacturing further comprises:
providing a support plate and a U-shaped clamp, wherein the support plate is provided with a mounting groove;
placing the reinforcing connecting pipe in the mounting groove, fixing the reinforcing connecting pipe on the supporting plate by using the U-shaped clamp, wherein the end surface of the reinforcing connecting pipe is abutted against the bottom surface of the mounting groove;
and welding the reinforcing connecting pipe and the cylinder body.
8. The method for manufacturing the structural member of the turbine pump launching water tank as recited in claim 6, wherein the surface roughness of the end surface of the reinforcing connecting pipe is less than 6.3 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910429095.1A CN110340558B (en) | 2019-05-22 | 2019-05-22 | Manufacturing method of turbine pump launching water tank structural member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429095.1A CN110340558B (en) | 2019-05-22 | 2019-05-22 | Manufacturing method of turbine pump launching water tank structural member |
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| CN110340558A CN110340558A (en) | 2019-10-18 |
| CN110340558B true CN110340558B (en) | 2021-07-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376326A (en) * | 2007-08-28 | 2009-03-04 | 王烈富 | Amphibious underwater body-sealing submarine, submerged diving chamber and gas-guiding and draining system |
| EP3051091A1 (en) * | 2015-01-27 | 2016-08-03 | CNH Industrial Italia S.p.A. | Exhaust support system for an off-road vehicle |
| CN109128557A (en) * | 2018-10-15 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of manufacturing method of emitter water vat structural member |
| CN109604907A (en) * | 2019-01-03 | 2019-04-12 | 武汉船用机械有限责任公司 | A kind of the welding tooling group and its welding method of gas turbine shell |
-
2019
- 2019-05-22 CN CN201910429095.1A patent/CN110340558B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376326A (en) * | 2007-08-28 | 2009-03-04 | 王烈富 | Amphibious underwater body-sealing submarine, submerged diving chamber and gas-guiding and draining system |
| EP3051091A1 (en) * | 2015-01-27 | 2016-08-03 | CNH Industrial Italia S.p.A. | Exhaust support system for an off-road vehicle |
| CN109128557A (en) * | 2018-10-15 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of manufacturing method of emitter water vat structural member |
| CN109604907A (en) * | 2019-01-03 | 2019-04-12 | 武汉船用机械有限责任公司 | A kind of the welding tooling group and its welding method of gas turbine shell |
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| CN110340558A (en) | 2019-10-18 |
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