CN113857729A - Rudder blade welding positioning tool and using method thereof - Google Patents
Rudder blade welding positioning tool and using method thereof Download PDFInfo
- Publication number
- CN113857729A CN113857729A CN202111241220.XA CN202111241220A CN113857729A CN 113857729 A CN113857729 A CN 113857729A CN 202111241220 A CN202111241220 A CN 202111241220A CN 113857729 A CN113857729 A CN 113857729A
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- bearing
- positioning tool
- hole
- inner hole
- rudder blade
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- 238000003466 welding Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Classifications
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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
-
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a rudder blade welding and positioning tool and a using method thereof, which are used for positioning a first bearing and a second bearing on opposite surfaces of a rudder blade, wherein the positioning tool comprises a cylinder body and a first end, wherein the first end is matched with an inner hole of the first bearing; the first end and the second end are arranged concentrically; the first end is connected with the second end through a connecting part. When the positioning tool is used, the first end and the second end of the positioning tool are respectively inserted into the first bearing inner hole and the second bearing inner hole; wrapping the first bearing and the second bearing provided with the positioning tool by using a steel plate, welding the steel plate to form the outer contour of the rudder blade, and reserving a through hole on the outer contour for dismounting the positioning tool; and filling the through hole after the positioning tool is removed. The positioning tool can ensure that two bearings on the rudder blade are concentric.
Description
Technical Field
The field of rudder blade manufacturing in the ship manufacturing industry, in particular to a rudder blade welding and positioning tool and a using method thereof.
Background
When the rudder blade is manufactured, bearings of two opposite surfaces in the rudder blade need to be concentrically positioned. The prior process flow can firstly assemble the rudder blade and then concentrically punch the two bearings, and the method has limitation that the inner holes of the bearings can only be processed into round holes through a lathe, so that the concentricity of the inner holes of the two bearings is ensured. In the case where there is a square hole, the square hole is machined by a boring machine. However, the space inside the rudder blade is narrow, and there is not enough space for supplying a tool row for machining to machine the square hole of the rudder blade bearing.
Therefore, the inner hole of the bearing needs to be machined and then assembled into the rudder blade. The concentricity of the two bearing inner holes needs to be ensured in the assembling process. Without the auxiliary locating means, it is difficult to ensure that the rudder blade and the second bearing are concentric by separately mounting them.
Disclosure of Invention
Based on the problems, the invention provides a rudder blade welding and positioning tool which is used for positioning a first bearing and a second bearing on opposite surfaces of a rudder blade so that an inner hole of the first bearing and an inner hole of the second bearing are concentrically arranged, and the positioning tool is a cylinder and is provided with a first end matched with the inner hole of the first bearing; the first end and the second end are arranged concentrically; the first end is connected with the second end through a connecting part.
The first end is a circular cylinder flange arranged on the cylinder, the cross section of the first end is circular, and the outer diameter of the first end is larger than that of the connecting part.
Preferably, the second end is a square column flange with a square cross section, and the diagonal length of the square column flange is smaller than the outer diameter of the connecting part;
an annular protruding structure is arranged at the joint of the second end and the connecting part;
the outer diameter of the annular protrusion structure is between the outer diameter of the first end and the outer diameter of the connecting portion.
Preferably, the corners of the second end are chamfered.
Preferably, the hole of first bearing is the round hole, the hole of second bearing is the square hole, the hole of first bearing is inserted to first end, and the hole of second bearing is inserted to the second end, when fixing a position first bearing and second bearing for first bearing hole and second bearing hole set up with one heart. Based on the positioning tool, the invention also provides a use method of the rudder blade welding positioning tool, which comprises the following steps:
s1: inserting a first end of a positioning tool into a first bearing, and inserting a second end of the positioning tool into a second bearing;
s2: wrapping the upper bearing and the second bearing provided with the positioning tool by using a steel plate, welding the steel plate on the upper bearing and the second bearing to manufacture the outer contour of the rudder blade, and reserving a through hole on the outer contour for dismounting the positioning tool;
s3: and dismantling the positioning tool through the through hole and filling the through hole.
Preferably, the step S2 further includes mounting a structure inside the outer contour of the rudder blade.
Preferably, the step S1 further includes: and machining a circular inner hole for the first bearing and machining a square inner hole for the second bearing.
Preferably, the through hole is close to one side of the second bearing and is located in the extending direction of the central axes of the first bearing and the second bearing.
Preferably, a jacking device can be placed in the through hole, and a force is applied to the second end of the positioning tool through the jacking device, so that the positioning tool is jacked out along the axial direction and towards the direction of the first end.
In summary, the rudder blade welding and positioning tool and the use method thereof provided by the invention have the following beneficial effects: the mounting sequence of the rudder blade bearing is changed, and the first bearing and the second bearing of the rudder blade are ensured to be concentric after being mounted.
Drawings
FIG. 1 is a cross-sectional view of the positioning tool of the present invention mounted on a first bearing and a second bearing;
FIG. 2 is a side view of the positioning tool of the present invention;
FIG. 3 is a cross-sectional view of a second end of the positioning tool of the present invention.
Detailed Description
The rudder blade welding and positioning tool and the use method thereof provided by the invention are further described in detail with reference to the accompanying drawings and the specific implementation mode. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
As shown in fig. 1-3, the rudder blade welding and positioning tool provided by the present invention is used for positioning a first bearing 2 and a second bearing 3 on opposite surfaces of a rudder blade, the positioning tool 1 is a cylinder and has a first end 11 matched with an inner hole of the first bearing 2 and a second end 12 matched with an inner hole of the second bearing 3, and the first end 11 and the second end 12 are concentrically arranged; the first end 11 and the second end 12 are connected by a connecting portion 13. In this preferred embodiment, the first end 11 of the positioning fixture 1 is a circular cylindrical flange, the cross section of the first end is circular, the second end 12 is a square cylindrical flange, the cross section of the second end is square, the positioning fixture 1 is processed according to the size of the first bearing 2 and the second bearing 3 to be positioned, and the first end 11 and the second end 12 are concentrically arranged (that is, the center of the circle of the first end 11 and the intersection point of the diagonal line of the second end 12 are concentrically arranged).
Take the inner hole of the first bearing 2 as a round hole and the inner hole of the second bearing 3 as a square hole as an example. Firstly, the inner hole of the first bearing 2 of the rudder blade is processed by a lathe to have the size of
Wherein the unit of the machining dimension is millimeter, the upper and lower marks respectively represent the upper and lower limit values of the machining tolerance, and the dimension of the square hole of the second bearing 3 for machining the rudder blade by using a boring machine is
And designing and processing the positioning tool 1 according to the sizes of the processed first bearing and the second bearing. In particular toThe first end 11 is machined to an outer diameter of
And the second end 12 of which is machined with a boring machine to form a circular cylindrical flange having a cross-section of
Square cylindrical flanges of the size and chamfered at each corner (as shown in figure 3). The first end 11 and the second end 12 of this location frock 1 respectively with the first, second bearing adaptation of rudder blade, guarantee in the course of working that the first end 11 and the second end 12 of location frock 1 are concentric to after the first, second bearing of both ends installation of location frock 1, can guarantee that the hole of this first, second bearing is concentric.
Further, the outer diameter of the first end 11 is larger than the outer diameter of the connecting portion 13, and the outer diameter of the connecting portion 13 is larger than the diagonal of the cross section of the second end 12.
Further, the joint of the second end 12 and the connecting part 13 is provided with an annular protruding structure 14; the outer diameter of the annular protrusion 14 is between the outer diameter of the first end 11 and the outer diameter of the connecting portion 13, and the annular protrusion 14 prevents the second bearing 3 from sliding toward the first end 11, thereby facilitating the fixing of the position of the second bearing 3.
In this embodiment, the positioning tool 1 is also suitable for the inner holes of the two bearings to be round holes, taper holes, square holes, etc., that is, the two ends of the positioning tool 1 can be matched and adjusted according to the shape of the inner hole of the bearing.
According to the tool, the invention also relates to a use method of the rudder blade welding and positioning tool, which comprises the following steps:
s0: machining inner holes of a first bearing and a second bearing, and machining a first end 11 and a second end 12 of the positioning tool 1 matched with the inner holes of the first bearing and the second bearing according to the shapes and the sizes of the inner holes of the first bearing and the second bearing;
s1: inserting a first end 11 of a positioning tool 1 into an inner hole of a first bearing 2, and inserting a second end 12 of the positioning tool into an inner hole of a second bearing 3;
s2: wrapping a first bearing and a second bearing provided with a positioning tool 1 by using a steel plate, welding the steel plate on the first bearing and the second bearing to manufacture an outer contour 4 of the rudder blade, and reserving a through hole 5 on the outer contour 4 for dismounting the positioning tool, wherein the through hole 5 is close to one side of the second bearing 3 and is positioned in the extending direction of the central shaft of the first bearing 2 and the second bearing 3; it should be noted that, after the outer contour 4 is welded, the positions of the first bearing and the second bearing are also fixed;
s21: before the outer contour 4 is welded, the structure and components in the rudder blade are required to be processed and installed;
s3: and (4) dismantling the positioning tool through the through hole 5 and filling the through hole 5.
As shown in fig. 1, a hydraulic jacking device can be placed in a through hole 5 formed in the outer contour 4 of the rudder blade, and a force is applied to the second end 12 of the positioning tool 1 by the hydraulic jacking device, so that the positioning tool 1 is jacked out along the axial direction and towards the first end 11.
The problem to be solved by the invention is that after the first bearing and the second bearing of the rudder blade are welded on the rudder blade, square hole machining cannot be carried out on the inner hole of the second bearing, and the inner holes of the first bearing and the second bearing are concentric, so that the inner holes of the first bearing and the second bearing are required to be machined firstly, and then the first bearing and the second bearing are arranged. The positioning tool can be adopted to solve the problem of concentricity of the first bearing and the second bearing in the installation process. The invention is particularly suitable for the condition that the inner hole of the bearing on the rudder blade is a square hole.
In conclusion, the rudder blade welding and positioning tool and the use method thereof change the preparation sequence of the rudder blade, ensure that the first bearing and the second bearing of the rudder blade are concentric after installation, and provide a new rudder blade preparation method.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A rudder blade welding and positioning tool is used for positioning a first bearing and a second bearing on opposite surfaces of a rudder blade so that an inner hole of the first bearing and an inner hole of the second bearing are concentrically arranged, and is characterized in that,
the positioning tool is a cylinder and is provided with a first end matched with the inner hole of the first bearing; the first end and the second end are arranged concentrically;
the first end is connected with the second end through a connecting part.
2. The positioning tool according to claim 1, wherein the first end is a circular cylindrical flange with a circular cross section, and the outer diameter of the first end is larger than that of the connecting portion.
3. The positioning tool according to claim 2, wherein the second end is a square column flange with a square cross section, and a diagonal length of the cross section of the second end is smaller than an outer diameter of the connecting portion.
4. The positioning tool according to claim 3, wherein an annular protrusion structure is arranged at the joint of the second end and the connecting part; the outer diameter of the annular protrusion structure is between the outer diameter of the first end and the outer diameter of the connecting portion.
5. The positioning tool according to claim 3, wherein corners of the second end are provided with chamfers.
6. The positioning tool according to any one of claims 1 to 5, wherein the inner hole of the first bearing is a round hole, and the inner hole of the second bearing is a square hole; the first end is inserted into the inner hole of the first bearing, the second end is inserted into the inner hole of the second bearing, and the first bearing and the second bearing are positioned while the inner hole of the first bearing and the inner hole of the second bearing are concentrically arranged.
7. A use method of a rudder blade welding and positioning tool is realized by adopting the positioning tool according to any one of claims 1 to 6, and is characterized by comprising the following steps of:
s1: inserting a first end of a positioning tool into a first bearing inner hole, and inserting a second end of the positioning tool into a second bearing inner hole;
s2: wrapping the first bearing and the second bearing provided with the positioning tool by using a steel plate, welding the steel plate on the first bearing and the second bearing to manufacture the outline of the rudder blade, and reserving a through hole on the outline for dismounting the positioning tool;
s3: and dismantling the positioning tool through the through hole and filling the through hole.
8. The method for using the positioning tool according to claim 7, wherein the step S1 further comprises: and machining a circular inner hole for the first bearing and machining a square inner hole for the second bearing.
9. The use method of the positioning tool according to claim 7, wherein the through hole is close to one side of the second bearing and is located in the extending direction of the central axes of the first bearing and the second bearing.
10. The method for using the positioning tool according to claim 9, wherein a jacking device can be placed in the through hole, and a force is applied to the second end of the positioning tool through the jacking device, so that the positioning tool is jacked out along the axial direction and towards the direction of the first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111241220.XA CN113857729B (en) | 2021-10-25 | 2021-10-25 | Rudder blade welding positioning tool and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111241220.XA CN113857729B (en) | 2021-10-25 | 2021-10-25 | Rudder blade welding positioning tool and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113857729A true CN113857729A (en) | 2021-12-31 |
| CN113857729B CN113857729B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111241220.XA Active CN113857729B (en) | 2021-10-25 | 2021-10-25 | Rudder blade welding positioning tool and application method thereof |
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Citations (11)
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|---|---|---|---|---|
| JPH09314385A (en) * | 1996-05-28 | 1997-12-09 | Mitsubishi Heavy Ind Ltd | Auxiliary equipment for tube stand external face welding equipment |
| CN202207879U (en) * | 2011-08-13 | 2012-05-02 | 苏州敏喆机械有限公司 | A sleeve conjunction weld device |
| CN202935537U (en) * | 2012-10-18 | 2013-05-15 | 芜湖新联造船有限公司 | Auxiliary rudder blade mounting device |
| CN203418276U (en) * | 2013-07-29 | 2014-02-05 | 张家港化工机械股份有限公司 | Locating device between heat exchange tube and tube hole |
| CN203579062U (en) * | 2013-10-15 | 2014-05-07 | 韩传怀 | Welding and locating device of axle shaft sleeve |
| WO2017051508A1 (en) * | 2015-09-25 | 2017-03-30 | 株式会社キーレックス | Workpiece positioning device |
| CN107639382A (en) * | 2016-07-22 | 2018-01-30 | 湖北三江航天万山特种车辆有限公司 | A kind of scalable internal support device |
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| CN111805078A (en) * | 2020-07-23 | 2020-10-23 | 哈尔滨汽轮机厂有限责任公司 | Manufacturing method of 300 MW-level heavy-duty gas turbine nozzle swirler assembly |
| CN111843340A (en) * | 2020-07-14 | 2020-10-30 | 英飞同仁风机股份有限公司 | Fan welding tool |
| CN112059523A (en) * | 2019-06-11 | 2020-12-11 | 河南森源重工有限公司 | Shaft sleeve matching type positioning tool |
-
2021
- 2021-10-25 CN CN202111241220.XA patent/CN113857729B/en active Active
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| CN202935537U (en) * | 2012-10-18 | 2013-05-15 | 芜湖新联造船有限公司 | Auxiliary rudder blade mounting device |
| CN203418276U (en) * | 2013-07-29 | 2014-02-05 | 张家港化工机械股份有限公司 | Locating device between heat exchange tube and tube hole |
| CN203579062U (en) * | 2013-10-15 | 2014-05-07 | 韩传怀 | Welding and locating device of axle shaft sleeve |
| WO2017051508A1 (en) * | 2015-09-25 | 2017-03-30 | 株式会社キーレックス | Workpiece positioning device |
| CN107639382A (en) * | 2016-07-22 | 2018-01-30 | 湖北三江航天万山特种车辆有限公司 | A kind of scalable internal support device |
| CN207289326U (en) * | 2017-10-27 | 2018-05-01 | 上海鑫毅交通工业有限公司 | Workpiece assembly welding positioner |
| CN112059523A (en) * | 2019-06-11 | 2020-12-11 | 河南森源重工有限公司 | Shaft sleeve matching type positioning tool |
| CN111843340A (en) * | 2020-07-14 | 2020-10-30 | 英飞同仁风机股份有限公司 | Fan welding tool |
| CN111805078A (en) * | 2020-07-23 | 2020-10-23 | 哈尔滨汽轮机厂有限责任公司 | Manufacturing method of 300 MW-level heavy-duty gas turbine nozzle swirler assembly |
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| 余仁伟;: "船舶艉轴轴线定位的3种常用方法及优缺点", 中国修船, no. 06, pages 19 - 21 * |
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