CN215509698U - Positioning, welding and repairing tool for engine bearing cooling culvert pipe - Google Patents
Positioning, welding and repairing tool for engine bearing cooling culvert pipe Download PDFInfo
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- CN215509698U CN215509698U CN202121073369.7U CN202121073369U CN215509698U CN 215509698 U CN215509698 U CN 215509698U CN 202121073369 U CN202121073369 U CN 202121073369U CN 215509698 U CN215509698 U CN 215509698U
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- bearing cooling
- culvert pipe
- engine bearing
- positioning
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Abstract
A locating welding repair tool for an engine bearing cooling culvert pipe comprises a shell, fixing columns, an anti-abrasion locating sleeve, an adjusting nut, a fixing screw and a welding part fixing screw, wherein the shell comprises a circular top plate and a side plate vertically extending from the periphery of the circular top plate, so that a welding space for accommodating a workpiece is formed, the circular top plate is correspondingly provided with a welding indexing hole, each welding indexing hole is provided with a through fixing column, one end of each fixing column extends out of the circular top plate and is provided with the adjusting nut capable of adjusting the height of the corresponding fixing column, the other end of each fixing column is provided with the welding part fixing screw, the diameter of the welding part fixing screw is smaller than that of the corresponding fixing column, and the anti-abrasion locating sleeve is sleeved in the shell and then locates the workpiece through the fixing screw; therefore, the utility model has the advantages of simple structure and convenient operation, improves the production efficiency of a workshop, ensures the repair quality of parts, effectively improves the maintenance quality and reduces the maintenance cost.
Description
Technical Field
The utility model relates to the technical field of aircraft engine maintenance, in particular to an engine bearing cooling culvert positioning, welding and repairing tool for a No. 4 bearing cooling culvert of a V2500 engine.
Background
For a No. 4 bearing cooling culvert pipe of a V2500 engine, 8 positioning pins are arranged, most of parts have cracks of 4-5 positioning pins and need to be replaced, and the previous replacement steps are as follows: the positioning pin with cracks (milling machine) is taken down and a new stud is welded, only one positioning pin (for preventing welding deformation) can be replaced each time, if the positioning pin of the part has cracks, two departments need to rotate the part back and forth for multiple times, and too much labor hour is consumed and the part is welded. Many unpredictable failures can also occur, resulting in increased contract cycles and maintenance costs.
Therefore, in view of the above defects, the designer of the utility model researches and designs an engine bearing cooling culvert positioning welding repair tool by combining experience and results of related industries for a long time through careful research and design so as to overcome the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positioning welding repair tool for an engine bearing cooling culvert pipe, which is simple in structure and convenient to operate, improves the production efficiency of a workshop, ensures the repair quality of parts, effectively improves the maintenance quality and reduces the maintenance cost.
In order to achieve the purpose, the utility model discloses a positioning, welding and repairing tool for an engine bearing cooling culvert pipe, which comprises a shell, a fixing column, an anti-abrasion positioning sleeve, an adjusting nut, a fixing screw and a welding part fixing screw, and is characterized in that:
the shell comprises a circular top plate and side plates vertically extending from the periphery of the circular top plate, so that a welding space for accommodating workpieces is formed, the circular top plate is correspondingly provided with welding indexing holes, each welding indexing hole is provided with a through fixing column, one end of each fixing column extends out of the circular top plate and is provided with an adjusting nut capable of adjusting the height of the corresponding fixing column, the other end of each fixing column is provided with a welding part fixing screw, the diameter of each welding part fixing screw is smaller than that of each fixing column, and the anti-abrasion positioning sleeve positions the workpieces through the fixing screws after the workpieces are sleeved in the shell.
Wherein: the adjusting nut is provided with a gasket.
Wherein: the welding piece fixing screw is an inner hexagonal flat end fastening screw.
Wherein: the fixing screw is an inner hexagonal socket head cap screw.
Wherein: and an anti-abrasion positioning block is arranged in the anti-abrasion positioning sleeve.
Wherein: the top cover covers the top of the shell.
Wherein: the housing is a unitary aluminum member.
Wherein: two struts are left on two sides of the shell.
According to the above, the positioning, welding and repairing tool for the engine bearing cooling culvert pipe has the following effects:
1. the automatic repair device is simple in structure and convenient to operate, improves the production efficiency of a workshop, ensures the repair quality of parts, effectively improves the maintenance quality and reduces the maintenance cost.
2. The welding operation of a plurality of positioning pins can be carried out, and the parts are guaranteed not to deform after being welded.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
FIG. 1 shows a schematic structural view of the positioning, welding and repairing tool for the engine bearing cooling culvert.
Fig. 2 shows a cross-sectional view along a-a in fig. 1.
Reference numerals:
1. a housing; 2. fixing a column; 3. an anti-abrasion positioning sleeve; 4. an anti-abrasion positioning block; 5. a gasket; 6. adjusting the nut; 7. a set screw; 8. a welding part fixing screw; 9. and a top cover.
Detailed Description
Referring to fig. 1 and 2, the positioning, welding and repairing tool for the engine bearing cooling culvert pipe is shown.
Aiming at the special repair requirement that a No. 4 bearing cooling culvert pipe of a V2500 engine has 8 positioning pins to be replaced, the part is a thin-wall part and is easy to deform after welding, the height of the positioning pins has a size requirement with a chassis, the position distribution of the low holes of the positioning pins is uneven, and a sufficient operation space is reserved for designing a tool during manual welding. The applicant carefully studies the part structure and the production process, designs and manufactures the tool of the application, forms a set of special construction method, and wherein the tool for positioning, welding and repairing the engine bearing cooling culvert comprises a shell 1, a fixed column 2, an anti-abrasion positioning sleeve 3, an anti-abrasion positioning block 4, an adjusting nut 6, a fixing screw 7, a welding part fixing screw 8 and a top cover 9, wherein the shell 1 comprises a circular top plate and a side plate vertically extending from the periphery of the circular top plate, so as to form a welding space for accommodating a workpiece (namely the engine bearing cooling culvert), the circular top plate is correspondingly provided with 8 welding indexing holes, each welding indexing hole is provided with a through fixed column 2, one end of each fixed column 2 extends out of the circular top plate and is provided with the adjusting nut 6 capable of adjusting the height of the fixed column 2, the adjusting nut 6 is screwed at the upper end of the fixed column 2, so that the adjusting nut 6 is clockwise lifted up from the fixed column 2, the fixed column 2 descends anticlockwise, preferably, the adjusting nut 6 is provided with a gasket 5, the other end of the fixed column 2 is provided with a welding part fixing screw 8, the diameter of the welding part fixing screw 8 is smaller than that of the fixed column 2, the welding part fixing screw 8 is an inner hexagonal flat end fastening screw, the anti-abrasion positioning sleeve 3 is sleeved in the shell and then positions the workpiece through a fixing screw 7, see fig. 2, the fixing screw 7 is an inner hexagonal cylindrical head screw, and an anti-abrasion positioning block is arranged in the anti-abrasion positioning sleeve 3.
The top cover covers the top of the shell 1 and is taken down when welding is carried out after positioning, so that operation is facilitated.
The shell 1 is a member made of aluminum integrally, and two pillars are left on two sides of the shell 1.
The specific operation steps are as follows:
when in operation, a worker sleeves the shell 1 on a workpiece, the workpiece chassis and the shell base face are well seated, a positioning pin to be replaced is screwed on the suspended fixed column 2 and is fixed by a welding part fixing screw 8, the height of the positioning pin in a free state is adjusted by the adjusting nut 6 on the fixed column, the nut is tightened after adjustment, and the remaining 7 positioning pins are sequentially adjusted and fixed, so that the welding work of a plurality of positioning pins can be simultaneously carried out, and meanwhile, the part is ensured not to deform after being welded. And finally, the replacement work of the positioning pin is finished through size measurement after welding.
It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.
Claims (8)
1. The utility model provides an engine bearing cooling culvert pipe location is welded and is repaiied frock, includes casing, fixed column, abrasionproof position sleeve, adjusting nut, set screw and a welding set screw, its characterized in that:
the shell comprises a circular top plate and side plates vertically extending from the periphery of the circular top plate, so that a welding space for accommodating workpieces is formed, the circular top plate is correspondingly provided with welding indexing holes, each welding indexing hole is provided with a through fixing column, one end of each fixing column extends out of the circular top plate and is provided with an adjusting nut capable of adjusting the height of the corresponding fixing column, the other end of each fixing column is provided with a welding screw, the diameter of each welding piece fixing screw is smaller than that of each fixing column, and the anti-abrasion positioning sleeve positions the workpieces through the fixing screws after the workpieces are sleeved in the shell.
2. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: the adjusting nut is provided with a gasket.
3. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: the welding piece fixing screw is an inner hexagonal flat end fastening screw.
4. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: the fixing screw is an inner hexagonal socket head cap screw.
5. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: and an anti-abrasion positioning block is arranged in the anti-abrasion positioning sleeve.
6. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: the top cover covers the top of the shell.
7. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: the housing is a unitary aluminum member.
8. The engine bearing cooling culvert pipe positioning, welding and repairing tool of claim 1, characterized in that: two struts are left on two sides of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121073369.7U CN215509698U (en) | 2021-05-19 | 2021-05-19 | Positioning, welding and repairing tool for engine bearing cooling culvert pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121073369.7U CN215509698U (en) | 2021-05-19 | 2021-05-19 | Positioning, welding and repairing tool for engine bearing cooling culvert pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215509698U true CN215509698U (en) | 2022-01-14 |
Family
ID=79804640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121073369.7U Active CN215509698U (en) | 2021-05-19 | 2021-05-19 | Positioning, welding and repairing tool for engine bearing cooling culvert pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215509698U (en) |
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2021
- 2021-05-19 CN CN202121073369.7U patent/CN215509698U/en active Active
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