CN217618161U - Large-span double-lug Kong Yuanwei reaming tool for airplane maintenance - Google Patents
Large-span double-lug Kong Yuanwei reaming tool for airplane maintenance Download PDFInfo
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- CN217618161U CN217618161U CN202221147517.XU CN202221147517U CN217618161U CN 217618161 U CN217618161 U CN 217618161U CN 202221147517 U CN202221147517 U CN 202221147517U CN 217618161 U CN217618161 U CN 217618161U
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- lug
- spline shaft
- lug hole
- shaft guide
- cutting working
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Abstract
The utility model relates to an aircraft body structure maintenance technical field specifically is an aircraft maintenance is with large-span ears Kong Yuanwei reaming instrument, including first lug hole, the second lug hole of structure, symmetric distribution on the structure, still include: the cutting working section is used for reaming the first lug hole and the second lug hole; the two spline shaft guide sections are coaxially distributed at two ends of the cutting working section and are used for being matched with one lug hole to guide the cutting working section when the cutting working section expands and hinges the other lug hole; and the quick bidirectional wrench is connected with the spline shaft guide section and used for driving the cutting working section to rotate so as to realize expansion and reaming of the lug hole. The utility model discloses a colored axle guide section, back colored axle guide section before setting up to two adjacent auricle holes are as the bullport on the structure, and the cooperation is used, have realized the reaming operation in the two auricles of large-span on the aircraft structure, have satisfied the high axiality requirement in two auricle holes that the interval is great.
Description
Technical Field
The utility model relates to an aircraft body structure maintenance technical field specifically is an aircraft maintenance expands reaming instrument with large-span ears Kong Yuanwei.
Background
The connection of large parts of the airplane usually adopts a large-span double lug structure form and is fixed by fasteners such as bolts and the like. The earflap hole is easy to wear in the use process, and the earflap hole needs to be reamed and repaired simultaneously during maintenance. However, the distance between the two lug pieces is large, and when the reaming is carried out on the airplane in situ, the reaming operation cannot be carried out by adopting equipment such as a machine tool and a mechanical arm with high stability due to the problem of operation space.
The application number CN201720548875.4 'a double-guide reamer' comprises a reamer and a guide, wherein the reamer comprises a front guide section, a working section, a rear guide section and a cutter handle which are sequentially connected; the diameter of the front guide section is smaller than that of the working section, and the diameter of the rear guide section is larger than that of the working section; a guide through hole is horizontally arranged on the guider, and a base is arranged at the bottom end of the guider; the guider comprises a front guider and a rear guider, and the diameter of a guide through hole on the front guider is larger than that of the front guide section; the diameter of the guide through hole on the rear guide is larger than that of the rear guide section. The double-guide reamer has the advantages that the guide is accurate, the tolerance of holes is met, the hole forming precision is improved, the quantity of waste products is reduced, the cost is saved, and the production efficiency is improved. However, the double-guide reamer in the patent can meet the guide reaming requirements of a single lug hole detachable part product as far as possible due to the addition of the guide device, and when two lug holes with larger distance on an airplane lack a positioning reference to meet the requirement of high coaxiality, the double-guide reamer in the patent cannot meet the requirement.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an aircraft maintenance is with large-span ears Kong Yuanwei reaming instrument.
The utility model discloses the technical problem that solve adopts following technical scheme to realize:
a large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance comprises a structural member, a first lug hole and a second lug hole, wherein the first lug hole and the second lug hole are symmetrically distributed on the structural member, and the large-span double-lug 5363 reaming tool further comprises:
the cutting working section is used for reaming the first lug hole and the second lug hole;
the two spline shaft guide sections are coaxially distributed at two ends of the cutting working section and are used for being matched with one lug hole to guide the cutting working section when the cutting working section expands and hinges the other lug hole;
and the quick bidirectional wrench is connected with the spline shaft guide section and used for driving the cutting working section to rotate so as to realize the reaming of the lug hole.
Preferably, the spline shaft guide section comprises a front spline shaft guide section and a rear spline shaft guide section.
Preferably, the front spline shaft guide section and the rear spline shaft guide section are in a spline shaft structure.
Preferably, the diameter size of the front spline shaft guide section is smaller than that of the cutting working section.
Preferably, the diameter size of the rear spline shaft guide section is larger than that of the front spline shaft guide section, and the diameter size of the rear spline shaft guide section is smaller than that of the cutting working section.
Preferably, the end part of the rear spline shaft guide section is provided with a mounting handle, and the rapid bidirectional wrench is correspondingly mounted on the mounting handle.
Preferably, four groups of reamers distributed along the same direction are arranged on the cutting working section.
Preferably, the distance between the first lug hole and the second lug hole is more than 50 mm.
The utility model has the advantages that:
1. the utility model realizes the reaming operation of the large-span double-lug on the aircraft structural member by arranging the front spline shaft guide section and the rear spline shaft guide section and using the two adjacent lug holes on the structural member as guide holes in a matching way, thereby meeting the high coaxiality requirement of the two lug holes with larger space;
2. the utility model designs the front and rear spline shaft guide sections into spline shaft structure, thereby reducing the contact area with the inner wall of the lug hole and avoiding the contact wear and rotation resistance in the rotation process;
3. the utility model discloses a reamer in groups on the cutting working section is fit for the reaming hole of the difficult processing material of high strength.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of the middle cutting operation section of the present invention.
In the figure: 1. a front spline shaft guide section; 2. cutting the working section; 3. a rear spline shaft guide section; 4. a handle is installed; 5. a quick bidirectional wrench; 6. a structural member; 7. a first tab aperture; 8. a second tab aperture.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 2, the large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance comprises a cutting working section 2, a front spline shaft guide section 1, a rear spline shaft guide section 3, an installation handle 4 and a quick bidirectional wrench 5, wherein the front spline shaft guide section 1 and the rear spline shaft guide section 3 are correspondingly arranged on the left side and the right side of the cutting working section 2, the installation handle 4 is arranged at the right end part of the rear spline shaft guide section 3, and the quick bidirectional wrench 5 is installed on the installation handle 4.
Four groups of reamers distributed along the same direction are arranged on the cutting working section 2, and the reamer can be suitable for reaming holes of high-strength difficult-to-machine materials.
Preceding rachis guide section 1, back rachis guide section 3 all are rachis column structure, and when the reaming operation, the guide section is when the guarantee guide stability, reducible again with the contact area of auricle downthehole wall, avoid the contact wear and the rotation resistance of rotation process. In addition, the diameter size of the front spline shaft guide section 1 is smaller than that of the cutting working section 2; the diameter size of the rear spline shaft guide section 3 is larger than that of the front spline shaft guide section 1, but smaller than that of the cutting working section 2.
The utility model discloses the object that well will expand the hinge is structure 6, and symmetrical distribution has first lug hole 7, second lug hole 8 on this structure 6, first lug hole 7 sets up the right side at structure 6, second lug hole 8 sets up in the left side of structure 6, and the interval between two lug holes is more than 50 mm.
When the rapid bidirectional wrench is used, the rapid bidirectional wrench 5 is installed on the installation handle 4, then the cutting working section 2 extends into the first lug hole 7, the front spline shaft guide section 1 extends into the second lug hole 8, the front spline shaft guide section 1 extending into the second lug hole 8 plays a role in guiding, the cutting working section 2, the first lug hole 7 and the second lug hole 8 are ensured to be in the same axial degree, then the rapid bidirectional wrench 5 is rotated to drive the cutting working section 2 to ream the first lug hole 7, and the reaming work of the first lug hole 7 is completed; in continuing to stretch into second lug hole 8 with cutting working section 2, preceding rachis guide section 1 withdraws from in first lug hole 7, in back rachis guide section 3 stretches into first lug hole 7 simultaneously, for stretching into cutting working section 2 in the second lug hole 8 to guide, then rotatory quick two-way spanner 5 once more drives cutting working section 2 and expands the reaming to second lug hole 8, accomplishes the reaming work that expands of second lug hole 8.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an aircraft maintenance expands reaming instrument with large-span ears Kong Yuanwei, includes structure (6), first lug hole (7), second lug hole (8) of symmetric distribution on structure (6), its characterized in that: further comprising:
the cutting working section (2) is used for reaming the first lug hole (7) and the second lug hole (8);
the two spline shaft guide sections are coaxially distributed at two ends of the cutting working section (2) and are used for guiding the cutting working section (2) by being matched with the other lug hole when the cutting working section (2) expands and hinges one lug hole;
and the rapid bidirectional wrench (5) is connected with the spline shaft guide section and used for driving the cutting working section (2) to rotate so as to realize expansion and reaming of the lug hole.
2. The large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance according to claim 1, wherein: the flower shaft guide section comprises a front flower shaft guide section (1) and a rear flower shaft guide section (3).
3. The large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance according to claim 2, characterized in that: the front spline shaft guide section (1) and the rear spline shaft guide section (3) are in spline shaft-shaped structures.
4. The large-span binaural Kong Yuanwei reaming tool for aircraft maintenance of claim 2, wherein: the diameter size of the front spline shaft guide section (1) is smaller than that of the cutting working section (2).
5. The large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance according to claim 2, characterized in that: the diameter size of the rear spline shaft guide section (3) is larger than that of the front spline shaft guide section (1), and the diameter size of the rear spline shaft guide section (3) is smaller than that of the cutting working section (2).
6. The large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance according to claim 2, characterized in that: the end part of the rear spline shaft guide section (3) is provided with a mounting handle (4), and the rapid bidirectional wrench (5) is correspondingly mounted on the mounting handle (4).
7. The large-span double-lug Kong Yuanwei reaming tool for aircraft maintenance according to claim 1, wherein: four groups of reamers distributed along the same direction are arranged on the cutting working section (2).
8. The large-span binaural Kong Yuanwei reaming tool for aircraft maintenance of claim 1, wherein: the distance between the first lug hole (7) and the second lug hole (8) is more than 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221147517.XU CN217618161U (en) | 2022-05-13 | 2022-05-13 | Large-span double-lug Kong Yuanwei reaming tool for airplane maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221147517.XU CN217618161U (en) | 2022-05-13 | 2022-05-13 | Large-span double-lug Kong Yuanwei reaming tool for airplane maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217618161U true CN217618161U (en) | 2022-10-21 |
Family
ID=83652612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221147517.XU Active CN217618161U (en) | 2022-05-13 | 2022-05-13 | Large-span double-lug Kong Yuanwei reaming tool for airplane maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217618161U (en) |
-
2022
- 2022-05-13 CN CN202221147517.XU patent/CN217618161U/en active Active
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