CN211072912U - In-situ polishing tool for inner wall of large-size coaxial hole of airplane - Google Patents
In-situ polishing tool for inner wall of large-size coaxial hole of airplane Download PDFInfo
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- CN211072912U CN211072912U CN201922031827.XU CN201922031827U CN211072912U CN 211072912 U CN211072912 U CN 211072912U CN 201922031827 U CN201922031827 U CN 201922031827U CN 211072912 U CN211072912 U CN 211072912U
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Abstract
The utility model discloses an aircraft jumbo size coaxial hole inner wall normal position burnishing tool relates to with axial hole work piece burnishing tool field. The utility model comprises a rotating column which is in coaxial clearance fit with the through hole, a polishing ring arranged on the rotating column, and a stop ring which is arranged on the rotating column and is used for accurately limiting the polishing ring; the periphery side of the rotating column is provided with convex rings in a surrounding manner, an annular groove arranged between two adjacent convex rings and a rotating connecting shaft arranged at the outer end part of one rotating column; the polishing and grinding ring comprises a sleeve and rotating rings, grinding abrasive paper is arranged on the outer side surfaces of the rotating rings in a winding mode through strip-shaped slits, and the stop rings are symmetrically arranged on two sides of each rotating ring. The utility model discloses the realization is repaired with the polishing of shaft hole inner wall normal position to jumbo size on the aircraft part, improves and repairs work efficiency, avoids relapseing the dismouting to the damage that part itself and structure on every side caused, avoids the aperture to grind the inclined to one side and produces elliptical phenomenon, has improved the stability of polishing repair motion in-process instrument.
Description
Technical Field
The utility model belongs to with shaft hole work piece burnishing tool field, especially relate to an aircraft jumbo size is with shaft hole inner wall normal position burnishing tool.
Background
The polishing and repairing of the inner wall of the large-size coaxial hole workpiece including but not limited to fork ears in the prior art adopts the off-position polishing of a part on a machine tool, the repairing mode has limitation, the part can only be disassembled and off-position for repairing, the inner wall of the hole of the part cannot be repaired in situ, and the repairing of the inner wall of the hole of the part which cannot be out of position due to space limitation does not have the power, so that aiming at the problems, on the basis of not disassembling and off-position the part, avoiding the damage to the part and the surrounding structure caused by repeated disassembly and assembly, ensuring the precision of the size of the inner wall of the hole after polishing and repairing, and avoiding the ellipse generation caused by bore diameter deviation, the in-situ polishing tool for the inner wall of the large-size coaxial hole has practical.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aircraft jumbo size is with shaft hole inner wall normal position burnishing tool, the realization is repaired with the shaft hole inner wall normal position polishing to jumbo size on the part, improves and repairs work efficiency, avoids relapseing the dismouting to the damage that part itself and surrounding structure caused, and this burnishing tool guarantees the precision of polishing repair back hole inner wall size, avoids the aperture to grind the oval phenomenon of production partially, has improved the stability of polishing repair motion in-process instrument.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model discloses an in-situ polishing tool for the inner wall of a large-size coaxial hole of an airplane, which is used for polishing and grinding the inner wall of a through hole of a large-size coaxial hole workpiece including but not limited to fork ears, and comprises a rotating column which is in coaxial clearance fit with the through hole, a polishing and grinding ring arranged on the rotating column, and a stop ring which is arranged on the rotating column and used for accurately limiting the polishing and grinding ring;
the periphery side of the rotating column is provided with convex rings which correspond to the through holes and are in clearance fit with the through holes in a surrounding manner, an annular groove which is arranged between every two adjacent convex rings and a rotating connecting shaft which is arranged at the outer end part of one rotating column;
the polishing and grinding ring comprises a sleeve and a rotating ring arranged at the end part of the sleeve, a strip-shaped slit is transversely formed in the side part of the rotating ring, grinding abrasive paper is wound and mounted on the outer side surface of the rotating ring through the strip-shaped slit, and the grinding abrasive paper on the outer wall of the rotating ring is in extrusion fit with the inner peripheral side wall of the through hole;
the stop rings are symmetrically arranged on two sides of each rotating ring.
Furthermore, the end part of the rotating connecting shaft is fixedly arranged in a drill chuck or a conical sleeve of the air drill or the electric drill and rotates synchronously with the drill chuck or the conical sleeve.
Furthermore, the outer side wall of the convex ring is uniformly provided with first threads in a surrounding manner.
Furthermore, the inner peripheral side wall of the rotating ring is uniformly provided with second threads connected with the first threads in a surrounding mode, and the outer peripheral side wall of the rotating ring is uniformly provided with rotating anti-skid threads in a surrounding mode.
Further, the stop ring adopts a spiral retainer ring.
The utility model discloses following beneficial effect has:
1. the utility model discloses the realization is repaired with the polishing of shaft hole inner wall normal position to jumbo size on the aircraft part, improves and repairs work efficiency, avoids relapseing the dismouting to the damage that part itself and structure on every side caused, and this burnishing tool guarantees the polishing and repairs the precision of back hole inner wall size, avoids the aperture to grind the inclined to one side and produces oval phenomenon, has improved the polishing and has repaired the stability of instrument in the motion process.
2. The utility model discloses a burnishing tool uses human-oriented, the travelling comfort design of ergonomics to be the theory, and overall structure is simple and convenient practical, can realize that the coaxial hole inner wall normal position polishing of jumbo size is repaired on the fork ear class part. The defect of using limitation of the conventional method is overcome; the multifunctional electric heating water heater has the advantages of comprehensive functions, low cost, simplified structure, easiness in manufacturing, safety, reliability, energy conservation, environmental friendliness and convenience in operation.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the in-situ polishing tool for the inner wall of a large-size coaxial hole of an airplane after being mounted on a fork ear type large-size coaxial hole type workpiece;
FIG. 2 is a schematic structural view of an in-situ polishing tool for an inner wall of a large-sized coaxial hole of an aircraft according to the present invention;
fig. 3 is a schematic structural view of the rotating column of the present invention;
FIG. 4 is a left side view of the structure of FIG. 3;
FIG. 5 is a schematic structural view of the polishing and grinding ring of the present invention;
FIG. 6 is a right side view of the structure of FIG. 5;
FIG. 7 is a schematic structural view of the installation of the polishing and sanding ring and the sanding paper of the present invention;
FIG. 8 is a right side view of a structure of a large-sized coaxial hole type workpiece like a fork lug;
FIG. 9 is a step diagram of a method for using the in-situ polishing tool for the inner wall of the large-sized coaxial hole of the aircraft according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-rotating column, 101-convex ring, 1011-first thread, 102-annular groove, 103-rotating connecting shaft, 2-polishing and grinding ring, 201-rotating ring, 2011-rotating anti-slip thread, 2012-second thread, 202-sleeve, 2021-strip-shaped slot, 3-stop ring, 4-polishing sand paper, 5-fork ear type large-size coaxial hole type workpiece and 501-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "peripheral side", "an outer end", "side", "lateral", and the like indicate positional or positional relationships for the convenience of description of the present invention and to simplify the description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-8, the present invention relates to an in-situ polishing tool for large-size coaxial hole inner walls of an aircraft, the polishing tool is used for polishing and grinding inner walls of through holes 501 including but not limited to fork-type large-size coaxial hole workpieces 5, the polishing tool includes a rotating column 1 coaxially clearance-fitted with the through holes 501, a polishing and grinding ring 2 mounted on the rotating column 1, and a stop ring 3 mounted on the rotating column 1 for precisely limiting the polishing and grinding ring 2;
the periphery of the rotating column 1 is provided with convex rings 101 which correspond to the through holes 501 and are in clearance fit with the through holes, an annular groove 102 arranged between two adjacent convex rings 101, and a rotating connecting shaft 103 arranged at one outer end part of the rotating column 1 in a surrounding manner;
the polishing and grinding ring 2 comprises a sleeve 202 and a rotating ring 201 arranged at the end of the sleeve 202, a strip-shaped slit 2021 is transversely formed in the side of the rotating ring 201, grinding abrasive paper 4 is wound and mounted on the outer side of the rotating ring 201 through the strip-shaped slit 2021, and the grinding abrasive paper 4 on the outer wall of the rotating ring 201 is attached to the inner peripheral side wall of the through hole 501 in an extrusion manner; the snap rings 3 are symmetrically installed at both sides of each rotation ring 201.
Wherein, the end part of the rotary connecting shaft 103 is fixedly arranged in a drill chuck or a conical sleeve of the air drill or the electric drill and rotates synchronously with the drill chuck or the conical sleeve.
Wherein, the outer side wall of bulge loop 101 encircles the equipartition and is provided with first screw 1011.
Wherein, the inner peripheral lateral wall of swivel 201 encircles the equipartition and offers the second screw thread 2012 with first screw thread 1011 threaded connection, and the outer peripheral lateral wall of swivel 201 encircles the equipartition and is provided with rotation anti-skidding line 2011.
Wherein, the stop ring 3 adopts a spiral retainer ring.
As shown in fig. 9, a method for using an in-situ polishing tool for the inner wall of a large-size coaxial hole comprises the following steps:
s01, selecting a polishing and grinding ring 2: a polishing and grinding ring 2 of a size corresponding to the size of the through hole 501 is selected for the size of the workpiece to be ground;
s02, mounting and grinding abrasive paper 4: mounting grinding abrasive paper 4 on the polishing and grinding ring 2 through a strip-shaped slit 2021, so that the grinding abrasive paper 4 is circumferentially attached to the peripheral side wall of the sleeve 202;
s03, mounting a polishing tool: the polishing and grinding ring 2 with the installed grinding sand paper 4 is firstly arranged between two fork lugs of a fork lug type large-size coaxial hole type workpiece 2, the two sides of each polishing and grinding ring 2 are provided with a stop ring 3, and then the stop ring 3, the through hole 501 and the polishing and grinding ring 2 are sequentially penetrated through the rotating column 1, so that the stop ring 3 and the polishing and grinding ring 2 are respectively sleeved between the annular grooves 102, then by set up in the bulge loop 101 of the ring channel 102 between the two forks of ears to both sides respectively precession, make second screw 2012 on the rotating ring 201 and the first screw 1011 screw-thread fit on the bulge loop 101, until two polishing ring 2 just press from both sides tight to the two forks of ears, the abrasive paper 4 of polishing on the lateral wall of sleeve 202 periphery is laminated with the through-hole 501 inner wall of being polished mutually this moment, the lateral wall towards sleeve 202 of two rotating rings 201 carries on spacingly with the lateral wall clearance fit of two forks of ears respectively to carry out the injecing of screw position by the retaining ring 3 of polishing ring 2 both sides: finally, fixedly connecting the 103 end of the rotary connecting shaft with a drill chuck or a conical sleeve of an air drill or an electric drill;
s04, grinding the workpiece: fixing the bottom end of a fork ear type large-size coaxial hole type workpiece 5, starting an air drill or an electric drill, grinding and polishing the inner wall of the through hole 501 until the grinding is finished, reversely disassembling a polishing tool according to the steps, and taking out the workpiece after the grinding and polishing are finished.
The utility model discloses the realization is repaired with the polishing of shaft hole inner wall normal position to jumbo size on the aircraft part, improves and repairs work efficiency, avoids relapseing the dismouting to the damage that part itself and structure on every side caused, and this burnishing tool guarantees the polishing and repairs the precision of back hole inner wall size, avoids the aperture to grind the inclined to one side and produces oval phenomenon, has improved the polishing and has repaired the stability of instrument in the motion process. The utility model discloses a burnishing tool uses human-oriented, the travelling comfort design of ergonomics to be the theory, and overall structure is simple and convenient practical, can realize that the coaxial hole inner wall normal position polishing of jumbo size is repaired on the fork ear class part. The defect of using limitation of the conventional method is overcome; the multifunctional electric heating water heater has the advantages of comprehensive functions, low cost, simplified structure, easiness in manufacturing, safety, reliability, energy conservation, environmental friendliness and convenience in operation.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An in-situ polishing tool for the inner wall of a large-size coaxial hole of an airplane, which is used for polishing and grinding the inner wall of a through hole (501) of a workpiece (5) including but not limited to a fork-ear large-size coaxial hole, and is characterized in that:
the polishing tool comprises a rotating column (1) which is coaxially in clearance fit with the through hole (501), a polishing and grinding ring (2) which is arranged on the rotating column (1), and a stop ring (3) which is arranged on the rotating column (1) and used for accurately limiting the polishing and grinding ring (2);
the periphery side of the rotating column (1) is provided with convex rings (101) which correspond to the through holes (501) and are in clearance fit with the through holes in a surrounding manner, an annular groove (102) arranged between every two adjacent convex rings (101), and a rotating connecting shaft (103) arranged at one outer end part of the rotating column (1);
the polishing and grinding ring (2) comprises a sleeve (202) and a rotating ring (201) arranged at the end of the sleeve (202), a strip-shaped slot (2021) is transversely formed in the side of the rotating ring (201), grinding abrasive paper (4) is wound and mounted on the outer side surface of the rotating ring (201) through the strip-shaped slot (2021), and the grinding abrasive paper (4) on the outer wall of the rotating ring (201) is attached to the inner peripheral side wall of the through hole (501) in an extrusion mode;
the stop rings (3) are symmetrically arranged on two sides of each rotating ring (201).
2. The in-situ polishing tool for the inner wall of the large-size coaxial hole of the airplane as claimed in claim 1, wherein the end part of the rotating connecting shaft (103) is fixedly arranged in a drill chuck or a conical sleeve of an air drill or an electric drill and rotates synchronously with the drill chuck or the conical sleeve.
3. The in-situ polishing tool for the inner wall of the large-size coaxial hole of the airplane as claimed in claim 1, wherein the outer side wall of the convex ring (101) is uniformly provided with first threads (1011) around.
4. The in-situ polishing tool for the inner wall of the large-size coaxial hole of the airplane as claimed in claim 1, wherein second threads (2012) connected with the first threads (1011) are uniformly distributed around the inner peripheral side wall of the rotating ring (201), and rotating anti-skid threads (2011) are uniformly distributed around the outer peripheral side wall of the rotating ring (201).
5. The in-situ polishing tool for the inner wall of the large-size coaxial hole of the airplane as claimed in claim 1, wherein the stop ring (3) is a spiral retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031827.XU CN211072912U (en) | 2019-11-22 | 2019-11-22 | In-situ polishing tool for inner wall of large-size coaxial hole of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031827.XU CN211072912U (en) | 2019-11-22 | 2019-11-22 | In-situ polishing tool for inner wall of large-size coaxial hole of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211072912U true CN211072912U (en) | 2020-07-24 |
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ID=71647446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031827.XU Active CN211072912U (en) | 2019-11-22 | 2019-11-22 | In-situ polishing tool for inner wall of large-size coaxial hole of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211072912U (en) |
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2019
- 2019-11-22 CN CN201922031827.XU patent/CN211072912U/en active Active
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