CN210996616U - Special clamp for machining wheel hole of airplane - Google Patents
Special clamp for machining wheel hole of airplane Download PDFInfo
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- CN210996616U CN210996616U CN201921856859.7U CN201921856859U CN210996616U CN 210996616 U CN210996616 U CN 210996616U CN 201921856859 U CN201921856859 U CN 201921856859U CN 210996616 U CN210996616 U CN 210996616U
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Abstract
The utility model discloses a special fixture for aircraft wheel hole processing, including the revolving stage, be fixed with the rotation piece on the connecting plate of revolving stage, the middle part of the right side wall of rotation piece is fixed with central locating plate, it has annular position sleeve portion to form on the right side wall of central locating plate, the middle part of waiting to process the aircraft wheel is formed with the installation cover somatic part, the left end face of installation cover somatic part presses on the edge portion right side wall of central locating plate, annular position sleeve portion plug bush is in the installation cover somatic part, the lateral wall of annular position sleeve portion hugs closely the inside wall of installation cover somatic part; the center locating plate and the annular locating sleeve portion are adopted to achieve fixing of the inner center of the airplane wheel to be machined, the fixing is firm, machining precision is guaranteed, the fixed driving key fixing hole at the end portion of the rim of the airplane wheel to be machined is far away from the rotary table, touch cannot be generated, and machining is guaranteed to be normally conducted.
Description
The technical field is as follows:
the utility model relates to an aircraft spare part manufacturing mould technical field, more specifically say and relate to a special fixture for aircraft wheel spot facing work that relates to.
Background art:
the aeronautical and civil passenger aircraft wheel is an important component of the aircraft, and is not only an appearance part but also a safety part. The wheel is complex in structure, the wheel is provided with the driving key fixing hole 101 at the end part of the wheel rim and the hot melt plug hole in the middle of the wheel rim, a traditional machining clamp is not provided with an internal positioning device, clamping is difficult, micro-movement is easy, machining precision is easy to reduce, and the airplane safety potential hazard of the machined wheel is very large after installation.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a special fixture for aircraft wheel spot facing work, and it adopts central locating plate and annular position sleeve portion to realize processing the inside center of aircraft wheel fixed, and it is fixed firm, guarantees the machining precision, and its fixed drive key fixed orifices of waiting to process the rim tip of aircraft wheel keeps away from the revolving stage moreover, can not produce the touching, guarantees to process normally going on.
The utility model provides a technical problem's scheme is:
a special fixture for machining airplane wheel holes comprises a rotary table, wherein a rotary block is fixed on a connecting plate of the rotary table, a central positioning plate is fixed in the middle of the right side wall surface of the rotary block, an annular positioning sleeve part is formed on the right side wall of the central positioning plate, a mounting sleeve part is formed in the middle of an airplane wheel to be machined, the left end face of the mounting sleeve part is pressed against the right side wall of the edge of the central positioning plate, the annular positioning sleeve part is inserted and sleeved in the mounting sleeve part, and the outer side wall of the annular positioning sleeve part is tightly attached to the inner side wall of the mounting sleeve part;
the right side wall of the edge of the rotating block is fixedly provided with a plurality of connecting push blocks, the connecting push blocks are fixed on push rods of the pushing oil cylinders, the outer ends of cylinder bodies of the pushing oil cylinders are fixedly provided with pressing blocks, and the pressing blocks are pressed on the inner side wall of a rim of an airplane wheel to be processed.
Furthermore, an extending reinforcing edge extending outwards is formed at the edge of the right side wall of the rotating block, a plurality of guide sleeve bodies are fixed on the right side wall of the edge of the extending reinforcing edge, and the cylinder body of the pushing oil cylinder is inserted and sleeved in the guide sleeve bodies.
Furthermore, a wear-resistant lubricating sleeve is fixed on the inner side wall of the guide sleeve body, a cylinder body of the oil cylinder is pushed to be inserted in the wear-resistant lubricating sleeve, and the side wall of the cylinder body of the oil cylinder is pushed to be tightly attached to the inner side wall of the wear-resistant lubricating sleeve.
Furthermore, a plurality of reinforcing plates are fixed on the left side wall of the extending reinforcing edge, and the side wall of each reinforcing plate is fixed on the side wall of the rotating block.
Further, the middle part shaping of the right side wall of rotatory piece has the mounting groove, and the middle part shaping of the left side wall of center locating plate has the fixed part, and the fixed part plug bush is fixed on rotatory piece in the mounting groove.
Furthermore, a connecting annular block is fixed on the edge of the right side wall of the rotating block, a connecting pushing block is arranged between the connecting annular block and the edge of the right side wall of the rotating block, and the connecting pushing block, the connecting annular block and the rotating block are fixedly connected together through bolts.
Furthermore, the outer wall surface of the pressing block is an arc-shaped wall surface, and the arc-shaped wall surface is pressed on the inner side wall of the rim of the airplane wheel to be processed.
The utility model discloses an outstanding effect is:
it adopts the central locating plate to press the left end face of the fashioned installation cover somatic part in the middle part of waiting to process the aircraft wheel, the plug bush of annular position sleeve portion is in installation cover somatic part, the inside wall of installation cover somatic part is hugged closely to the lateral wall of annular position sleeve portion, realize inside location, the compact heap of rethread promotion hydro-cylinder presses on the inside wall of the rim of waiting to process the aircraft wheel, it is fixed to realize further centre gripping, it is fixed firm, guarantee the machining precision, and the revolving stage is kept away from to its fixed drive key fixed orifices of waiting to process the rim tip of aircraft wheel, can not produce the touching, guarantee to process normally going on.
Description of the drawings:
fig. 1 is a partial cross-sectional view of the present invention;
fig. 2 is a schematic view of a partial structure between the connecting ring block and the pushing cylinder of the present invention;
fig. 3 is a schematic view of a local structure of the center positioning plate of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 3, a special fixture for machining an aircraft wheel hole comprises a turntable 10, wherein a rotating block 20 is fixed on a connecting plate of the turntable 10, a center positioning plate 30 is fixed in the middle of the right side wall surface of the rotating block 20, an annular positioning sleeve portion 31 is formed on the right side wall of the center positioning plate 30, a mounting sleeve portion 102 is formed in the middle of an aircraft wheel 100 to be machined, the left end surface of the mounting sleeve portion 102 is pressed against the right side wall of the edge portion of the center positioning plate 30, the annular positioning sleeve portion 31 is inserted into the mounting sleeve portion 102, and the outer side wall of the annular positioning sleeve portion 31 is tightly attached to the inner side wall of the mounting sleeve portion 102;
a plurality of connecting push blocks 40 are fixed on the right side wall of the edge of the rotating block 20, the connecting push blocks 40 are fixed on push rods of push oil cylinders 41, the outer ends of the cylinder bodies of the push oil cylinders 41 are fixed with pressing blocks 42, and the pressing blocks 42 are pressed on the inner side wall of the rim of the airplane wheel 100 to be processed.
Further, an extending reinforcing edge 21 extending outward is formed at an edge portion of a right side wall of the rotating block 20, a plurality of guide sleeve bodies 22 are fixed to the right side wall of the extending reinforcing edge 21, and a cylinder body of the pushing cylinder 41 is inserted and sleeved in the guide sleeve bodies 22.
Furthermore, a wear-resistant lubricating sleeve 23 is fixed on the inner side wall of the guide sleeve body 22, and the cylinder body of the pushing cylinder 41 is inserted into the wear-resistant lubricating sleeve 23 to push the cylinder body side wall of the pushing cylinder 41 to be tightly attached to the inner side wall of the wear-resistant lubricating sleeve 23.
Further, a plurality of reinforcing plates 24 are fixed to a left side wall of the extended reinforcing rim 21, and a side wall of each reinforcing plate 24 is fixed to a side wall of the rotary block 20.
Further, a mounting groove 25 is formed at the middle of the right side wall surface of the rotary block 20, a fixing portion 32 is formed at the middle of the left side wall of the center positioning plate 30, and the fixing portion 32 is inserted into the mounting groove 25 and fixed to the rotary block 20.
Further, a connecting ring-shaped block 26 is fixed to an edge portion of the right side wall of the rotating block 20, a connecting pushing block 40 is located between the connecting ring-shaped block 26 and the edge portion of the right side wall of the rotating block 20, and the connecting pushing block 40, the connecting ring-shaped block 26 and the rotating block 20 are fixedly connected together through bolts.
Further, the outer wall surface of the pressing block 42 is an arc-shaped wall surface, and the arc-shaped wall surface is pressed against the inner side wall of the rim of the airplane wheel 100 to be processed.
When the device is used, the left end surface of the mounting sleeve part 102 can be pressed against the right side wall of the edge part of the central positioning plate 30, the annular positioning sleeve part 31 is inserted into the mounting sleeve part 102, the outer side wall of the annular positioning sleeve part 31 is tightly attached to the inner side wall of the mounting sleeve part 102, then, the push rods of all the push oil cylinders 41 push the outer wall surface of the pressing block 42 to be pressed against the inner side wall of the rim of the airplane wheel 100 to be processed, the clamping and fixing of the airplane wheel 100 to be processed are completed, then, the side hole 103 can be processed on the rim, after the processing is completed, the side hole 103 is processed at other positions through the rotation of the turntable, as the pipeline of the push oil cylinder 41 is arranged, the side hole 103 can only rotate by 180 degrees to the maximum, namely, only half of the processing side hole 103 of the airplane wheel 100 to be processed can be processed, and the rest half of the airplane wheel is machined, so that the clamping is firm, the effect is good, and the machining precision of the airplane wheel 100 to be machined is high and the effect is good.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. A special fixture for aircraft wheel spot facing work, includes revolving stage (10), its characterized in that: a rotating block (20) is fixed on a connecting plate of the turntable (10), a central positioning plate (30) is fixed in the middle of the right side wall surface of the rotating block (20), an annular positioning sleeve part (31) is formed on the right side wall of the central positioning plate (30), an installation sleeve part (102) is formed in the middle of an airplane wheel (100) to be processed, the left end surface of the installation sleeve part (102) is pressed on the right side wall of the edge part of the central positioning plate (30), the annular positioning sleeve part (31) is inserted and sleeved in the installation sleeve part (102), and the outer side wall of the annular positioning sleeve part (31) is tightly attached to the inner side wall of the installation sleeve part (102);
a plurality of connecting push blocks (40) are fixed on the right side wall of the edge of the rotating block (20), the connecting push blocks (40) are fixed on push rods of push oil cylinders (41), pressing blocks (42) are fixed at the outer ends of the cylinder bodies of the push oil cylinders (41), and the pressing blocks (42) are pressed on the inner side wall of a rim of an airplane wheel (100) to be processed.
2. The special fixture for airplane wheel hole machining according to claim 1, characterized in that: an extending reinforcing edge (21) extending outwards is formed at the edge of the right side wall of the rotating block (20), a plurality of guide sleeve bodies (22) are fixed on the right side wall of the extending reinforcing edge (21), and a cylinder body of the pushing oil cylinder (41) is inserted into the guide sleeve bodies (22).
3. The special fixture for airplane wheel hole machining according to claim 2, characterized in that: and a wear-resistant lubricating sleeve (23) is fixed on the inner side wall of the guide sleeve body (22), the cylinder body of the push oil cylinder (41) is inserted into the wear-resistant lubricating sleeve (23), and the side wall of the cylinder body of the push oil cylinder (41) is tightly attached to the inner side wall of the wear-resistant lubricating sleeve (23).
4. The special fixture for airplane wheel hole machining according to claim 2, characterized in that: a plurality of reinforcing plates (24) are fixed on the left side wall of the extending reinforcing edge (21), and the side wall of each reinforcing plate (24) is fixed on the side wall of the rotating block (20).
5. The special fixture for airplane wheel hole machining according to claim 1, characterized in that: the middle part shaping of the right side wall of rotatory piece (20) has mounting groove (25), and the middle part shaping of the left side wall of central locating plate (30) has fixed part (32), and fixed part (32) plug bush is in mounting groove (25) and fixes on rotatory piece (20).
6. The special fixture for airplane wheel hole machining according to claim 5, wherein: the edge of the right side wall of the rotating block (20) is fixedly provided with a connecting annular block (26), a connecting push block (40) is positioned between the connecting annular block (26) and the edge of the right side wall of the rotating block (20), and the connecting push block (40), the connecting annular block (26) and the rotating block (20) are fixedly connected together through bolts.
7. The special fixture for airplane wheel hole machining according to claim 1, characterized in that: the outer wall surface of the pressing block (42) is an arc-shaped wall surface, and the arc-shaped wall surface is pressed against the inner side wall of the rim of the airplane wheel (100) to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856859.7U CN210996616U (en) | 2019-10-31 | 2019-10-31 | Special clamp for machining wheel hole of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856859.7U CN210996616U (en) | 2019-10-31 | 2019-10-31 | Special clamp for machining wheel hole of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210996616U true CN210996616U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921856859.7U Active CN210996616U (en) | 2019-10-31 | 2019-10-31 | Special clamp for machining wheel hole of airplane |
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| Country | Link |
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| CN (1) | CN210996616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769684A (en) * | 2022-05-10 | 2022-07-22 | 嘉兴市智刃机械设备有限公司 | Efficient machining equipment and machining process for high-strength flange |
-
2019
- 2019-10-31 CN CN201921856859.7U patent/CN210996616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769684A (en) * | 2022-05-10 | 2022-07-22 | 嘉兴市智刃机械设备有限公司 | Efficient machining equipment and machining process for high-strength flange |
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