CN109606726B - Frock is got rid of to aircraft bucket section covering butt joint surplus - Google Patents
Frock is got rid of to aircraft bucket section covering butt joint surplus Download PDFInfo
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- CN109606726B CN109606726B CN201811545600.0A CN201811545600A CN109606726B CN 109606726 B CN109606726 B CN 109606726B CN 201811545600 A CN201811545600 A CN 201811545600A CN 109606726 B CN109606726 B CN 109606726B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
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Abstract
The invention relates to a tool for removing the allowance of a joint of a skin of a barrel section of an airplane, which mainly comprises a guide rail mechanism and a movement mechanism; a closed circular track is arranged in the guide rail mechanism, the moving mechanism moves on the track, a support is arranged at the side end of the moving mechanism, a pneumatic saw is arranged above the support, and a saw blade of the pneumatic saw corresponds to the position of a skin to be processed; a front support frame is arranged at the front end of the pneumatic saw close to the saw blade, and one end of the front support frame extends out of the double-lug piece and is movably connected with one end of the support; a rear support frame is fixed at the rear end of the pneumatic saw and is movably connected with the other end of the support; the pneumatic saw is characterized in that a sliding block which moves up and down is arranged on the rear support frame, the top of the sliding block is connected with a screw rod, the screw rod is in threaded connection with the top of the rear support frame, the sliding block is of a split structure, and the end part corresponding to the pneumatic saw is clamped tightly. The tool is combined with a moving mechanism through a guide rail mechanism, stable operation is guaranteed, and skin allowance removal at the butt joint is achieved quickly and accurately.
Description
Technical Field
The invention relates to a tool for removing the allowance of the skin at the joint of an airplane barrel section, which is used for quickly and accurately removing the allowance of the skin at the joint of the airplane barrel section.
Background
At present, the removal of the skin allowance at the connection part of the aircraft barrel section is always a key factor for restricting the production rate and the product quality of the product, and is particularly reflected in the involution position of the aircraft barrel section before and after the pressure bulkhead. Because the rear side is connected with the finger-shaped belt plate, in order to ensure the butt joint accuracy, the tolerance distribution is large, and the skin allowance is very large. The method has the prominent effects that the labor intensity of grinding the allowance of the skin is high, the occupied time is long, the grinding quality has great influence on the edge distance of a connecting piece and a band plate fastener at the joint of the barrel section, and the skin is easily scrapped due to the fact that the edge distance is insufficient. The traditional method for polishing by using the milling wheel after manual scribing has poor stability, is greatly influenced by the level and the state of a tool and an operator, has more milling damage and scratching skins, generates aluminum scraps and dust which are difficult to clean, and has great harm to human bodies if composite parts are used. Greatly limits the use of labor force and the improvement of labor efficiency, increases the processing risk, influences the production period of products and increases the production and operation cost of enterprises.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tool for removing the allowance of the skin at the joint of the barrel section of an airplane, wherein the tool is combined with a motion mechanism through a guide rail mechanism, so that the stable operation is ensured, and the allowance removal of the skin at the joint is quickly and accurately realized. The problems of poor scribing and grinding quality, low efficiency and high risk are solved, the working efficiency is greatly improved, the labor intensity is reduced, the product quality is ensured, the production cost is reduced, the scrapping risk is reduced, and the scribing and grinding device can be applied to various machine types.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a tool for removing the allowance of the joint of the skin of a barrel section of an airplane mainly comprises a guide rail mechanism and a movement mechanism; a closed circular track is arranged in the guide rail mechanism, the moving mechanism moves on the track, a support is arranged at the side end of the moving mechanism, a pneumatic saw is arranged above the support, and a saw blade of the pneumatic saw corresponds to the position of a skin to be processed; a front support frame is arranged at the front end of the pneumatic saw close to the saw blade, and one end of the front support frame extends out of the double-lug piece and is movably connected with one end of the support; a rear support frame is fixed at the rear end of the pneumatic saw and is movably connected with the other end of the support; the pneumatic saw is characterized in that a sliding block which moves up and down is arranged on the rear support frame, the top of the sliding block is connected with a screw rod, the screw rod is in threaded connection with the top of the rear support frame, the sliding block is of a split structure, and the end part corresponding to the pneumatic saw is clamped tightly.
The motion mechanism is structurally characterized in that four inner side wheels which are distributed in a rectangular shape are arranged on the lower surface of the main plate, and the outer circumferences of the inner side wheels are in contact with the inner circumference of the track; the outer side end of the inner side wheel far away from one side of the pneumatic saw is provided with a roller frame, a roller is arranged in the roller frame, and the inner side surface of the roller frame is provided with an outer side wheel; open slots are symmetrically arranged on one side, close to the pneumatic saw, of the main board, the middle of the overturning fixture is provided with the open slot and is inserted into the open slot of the main board at a corresponding position, the open slot is movably connected through a pin shaft, a puller pin is arranged above the overturning fixture, the bottom of the puller pin is tightly propped against the upper surface of the main board, a roller is arranged below the overturning fixture, and an outer side wheel is arranged on the inner side surface of the overturning fixture; the outer circumferences of the rollers on the two sides are respectively contacted with the end face of the track, and the outer wheels on the two sides are respectively contacted with the outer circumference of the track.
The main board supports two hollow handles through lug symmetry, a guide pipe is arranged on the main board, one end of the guide pipe is an air inlet switch, the other end of the guide pipe is connected with the pneumatic saw through a three-way joint, and the guide pipe penetrates through the hollow handles to be supported.
The end side of the main board is provided with a downward inclined plane, and the inclined plane is provided with a positioning connecting support.
The pneumatic saw is characterized in that a protective cover plate is arranged outside a saw blade of the pneumatic saw, an open slot is formed in the protective cover plate, and the saw blade extends out of the open slot.
The inside of the track mechanism is provided with a protective support which is of a cross structure, and four points at the outer end part of the protective support are connected with a track; the lifting lug is connected to the protective support.
And positioning joints are uniformly distributed on the outer circumference of the track.
The tool for removing the allowance of the joint of the aircraft barrel section skin runs along a fixed track by adopting a pneumatic saw, so that the working efficiency is improved, and the machining precision is ensured; meanwhile, the pneumatic saw is supported by the front support frame and the rear support frame, angle adjustment can be performed according to the actual skin size, and machining precision is guaranteed.
The movement mechanism mainly adopts a structure of an inner side wheel and an outer side wheel to limit the radial direction of the movement mechanism in the operation process, and the axial direction of the movement mechanism in the operation process is limited by a roller; and a turning clamp is arranged on one side close to the pneumatic saw, so that the main board is convenient to mount and dismount.
The guide pipe is arranged above the main board to provide an air source for the pneumatic saw and ensure the smooth operation.
The end side of the main board is connected with the support through the inclined plane, so that the adjusting angle of the front support frame and the rear support frame of the pneumatic saw is reduced.
The outside of the saw blade of the pneumatic saw is provided with a protective cover plate, so that flying chips are prevented, and the production safety is ensured.
The rail is supported by the protective support, and deformation of the rail is prevented.
The outer circumference of the track is connected with a hoisting lug piece, so that the integral hoisting is facilitated.
Drawings
FIG. 1 is a front view of a tool for removing allowance of a joint of an aircraft barrel section skin.
FIG. 2 is a top view of the aircraft barrel section skin butt joint allowance removal tool.
Fig. 3 is a left side view of the movement mechanism.
Fig. 4 is a rear view of the movement mechanism.
Fig. 5 is a top view of the motion mechanism.
Fig. 6 is a bottom view of the motion mechanism.
Detailed Description
As shown in fig. 1 and 2, the tool for removing the allowance of the joint of the skin of the aircraft barrel section mainly comprises a guide rail mechanism 20 and a moving mechanism 10; a closed circular track 21 is arranged in the guide rail mechanism 20, the moving mechanism 10 moves on the track 21, a support 1 is arranged at the side end of the moving mechanism 10, a pneumatic saw 3 is arranged above the support 1, and a saw blade of the pneumatic saw 3 corresponds to the position of a skin to be processed; a front support frame 2 is arranged at the front end of the pneumatic saw close to the saw blade, and one end of the front support frame 2 extends out of a double-lug piece 5 and is movably connected with one end of the support 1; a rear support frame 4 is fixed at the rear end of the pneumatic saw, and the rear support frame 4 is movably connected with the other end of the bracket 1; the rear support frame 4 is provided with a slide block 6 which moves up and down, the top of the slide block 6 is connected with a screw rod 7, the screw rod 7 is in threaded connection with the top of the rear support frame 4, the slide block 6 is of a split structure, and the corresponding end part of the pneumatic saw 3 is clamped tightly.
As shown in fig. 3 and 6, the moving mechanism 10 is configured such that four inner wheels 12 are disposed on the lower surface of the main plate 11 in a rectangular arrangement, and the outer circumferences of the inner wheels contact the inner circumference of the track 21; a roller carrier 13 is arranged at the outer side end of the inner side wheel 12 far away from one side of the pneumatic saw 3, a roller 14 is arranged in the roller carrier 13, and an outer side wheel 15 is arranged at the inner side surface of the roller carrier 13; open slots are symmetrically arranged on one side, close to the pneumatic saw 3, of the main board 11, the middle of the overturning clamp 16 is provided with the open slot and is inserted into the open slot of the main board 11 at a corresponding position, the open slot is movably connected through a pin shaft, a puller pin 17 is arranged above the overturning clamp 16, the bottom of the puller pin 17 is tightly propped against the upper surface of the main board 11, a roller 14 is arranged below the overturning clamp 16, and an outer side wheel 15 is arranged on the inner side surface of the overturning clamp; the outer circumferences of the rollers 14 on both sides are respectively in contact with the end faces of the rails 21, and the outer wheels 15 on both sides are respectively in contact with the outer circumferences of the rails 21.
The main board 11 symmetrically supports two hollow handles 18 through lugs, a guide pipe 19-1 is arranged on the main board 11, one end of the guide pipe is provided with an air inlet switch 19-3, the other end of the guide pipe is connected with the pneumatic saw 3 through a tee joint 19-2, and the guide pipe 19-1 penetrates through the hollow handles 18 for supporting.
The end side of the main board 11 is provided with a downward inclined plane, and the inclined plane is provided with a positioning connecting support 1.
The outer part of the saw blade of the pneumatic saw 3 is provided with a protective cover plate 8, the protective cover plate 8 is provided with an open slot, and the saw blade extends out of the open slot.
A protection support 22 is arranged in the track mechanism 20, the protection support 22 is of a cross structure, and the outer end part of the protection support 22 is connected with the track 21 at four points; the handling tabs 24 are connected to the protective support 22.
The positioning joints 23 are uniformly distributed on the outer circumference of the track 21.
The working process of the tool for removing the allowance of the joint of the aircraft barrel skin comprises the following steps: and connecting the tool positioning connector 23 with a butt joint or a frame plate hole of an airplane product, and fixing the guide rail mechanism 20. Mounting the moving mechanism 10 on the guide rail mechanism 20, and screwing down the overturning clamp 16 to fix the main board 11, so that the inner side wheels 12, the outer side wheels 15 and the rollers 14 are distributed to be in contact with the rail 21 for limiting; adjusting the inclination angle of the pneumatic saw according to the size of the removed allowance; the air pipe is connected with the air inlet, the switch 19-3 is turned on, the pneumatic saw is started, the hollow handle 18 is pushed manually, the moving mechanism runs along the guide rail 21, and therefore the pneumatic saw cuts the skin, and the allowance of the circumference of the skin is removed.
The invention ensures stable operation by combining the guide rail mechanism and the movement mechanism, quickly and accurately realizes the removal of the skin allowance at the butt joint, solves the problems of poor scribing and grinding quality, low efficiency and high risk, greatly improves the working efficiency, reduces the labor intensity, ensures the product quality, reduces the production cost and the scrapping risk, can be applied to various machine types, and has the advantages of convenient use, simple maintenance, easy operation process, aluminum material serving as a tool and low manufacturing cost.
Claims (5)
1. The utility model provides a frock is got rid of to joining surplus of aircraft barrel skin which characterized in that: mainly comprises a guide rail mechanism (20) and a movement mechanism (10); a closed circular track (21) is arranged in the guide rail mechanism (20), the moving mechanism (10) moves on the track (21), a support (1) is arranged at the side end of the moving mechanism (10), a pneumatic saw (3) is arranged above the support (1), and a saw blade of the pneumatic saw (3) corresponds to the position of a skin to be processed; a front support frame (2) is arranged at the front end of the pneumatic saw close to the saw blade, and one end of the front support frame (2) extends out of the double-lug piece (5) and is movably connected with one end of the support (1); a rear support frame (4) is fixed at the rear end of the pneumatic saw, and the rear support frame (4) is movably connected with the other end of the bracket (1); a sliding block (6) moving up and down is arranged on the rear support frame (4), the top of the sliding block (6) is connected with a screw rod (7), the screw rod (7) is in threaded connection with the top of the rear support frame (4), the sliding block (6) is of a split structure, and the corresponding end part of the pneumatic saw (3) is clamped tightly; the motion mechanism (10) is structurally characterized in that four inner side wheels (12) which are distributed in a rectangular shape are arranged on the lower surface of the main plate (11), and the outer circumferences of the inner side wheels are in contact with the inner circumference of the track (21); a roller carrier (13) is arranged at the outer side end of the inner side wheel (12) far away from one side of the pneumatic saw (3), a roller (14) is arranged in the roller carrier (13), and an outer side wheel (15) is arranged on the inner side surface of the roller carrier (13); open slots are symmetrically arranged on one side, close to the pneumatic saw (3), of the main board (11), the middle of the overturning clamp (16) is provided with the open slot and is inserted into the open slot of the main board (11) at a corresponding position, the open slot is movably connected through a pin shaft, a puller pin (17) is arranged above the overturning clamp (16), the bottom of the puller pin (17) is tightly propped against the upper surface of the main board (11), a roller (14) is arranged below the overturning clamp (16), and an outer side wheel (15) is arranged on the inner side surface of the overturning clamp; the outer circumferences of the rollers (14) on the two sides are respectively contacted with the end face of the track (21), and the outer wheels (15) on the two sides are respectively contacted with the outer circumference of the track (21); a protective support (22) is arranged in the guide rail mechanism (20), the protective support (22) is of a cross structure, and the outer end part of the protective support (22) is connected with the track (21) at four points; the lifting lug (24) is connected on the protective support (22).
2. The aircraft bucket section skin butt joint allowance removing tool according to claim 1, wherein: the main board (11) symmetrically supports two hollow handles (18) through lugs, a guide pipe (19-1) is arranged on the main board (11), an air inlet switch (19-3) is arranged at one end of the guide pipe, the other end of the guide pipe is connected with the pneumatic saw (3) through a three-way joint (19-2), and the guide pipe (19-1) penetrates through the hollow handles (18) to be supported.
3. The aircraft bucket section skin butt joint allowance removing tool according to claim 1, wherein: the end side of the main board (11) is provided with a downward inclined plane, and the inclined plane is provided with a positioning connecting support (1).
4. The aircraft bucket section skin butt joint allowance removing tool according to claim 1, wherein: the pneumatic saw is characterized in that a protective cover plate (8) is arranged outside a saw blade of the pneumatic saw (3), an open slot is formed in the protective cover plate (8), and the saw blade extends out of the open slot.
5. The aircraft bucket section skin butt joint allowance removing tool according to claim 1, wherein: positioning joints (23) are uniformly distributed on the outer circumference of the track (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545600.0A CN109606726B (en) | 2018-12-18 | 2018-12-18 | Frock is got rid of to aircraft bucket section covering butt joint surplus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545600.0A CN109606726B (en) | 2018-12-18 | 2018-12-18 | Frock is got rid of to aircraft bucket section covering butt joint surplus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109606726A CN109606726A (en) | 2019-04-12 |
| CN109606726B true CN109606726B (en) | 2022-02-25 |
Family
ID=66010453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545600.0A Active CN109606726B (en) | 2018-12-18 | 2018-12-18 | Frock is got rid of to aircraft bucket section covering butt joint surplus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109606726B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936514Y (en) * | 2006-08-17 | 2007-08-22 | 南京德朔实业有限公司 | Circular saw capable of regulating cutting inclined angle |
| CN101391656B (en) * | 2008-11-06 | 2010-06-02 | 沈阳飞机工业（集团）有限公司 | Rotary type fixture apparatus |
| DE102008062026A1 (en) * | 2008-12-12 | 2010-06-17 | Dürr Systems GmbH | Assembly device for structural assembly i.e. lining or wing assembly, of airplane, has positioning units including joints indirectly connected with sections of main part, where one of sections is connected with rail through one of joints |
| CN202667794U (en) * | 2012-06-18 | 2013-01-16 | 陕西理工学院 | Airplane fuselage end face skin allowance cutting machine |
| CN106270787B (en) * | 2015-06-05 | 2018-08-24 | 陕西飞机工业（集团）有限公司 | A kind of minimizing technology and technological equipment of Large Aircraft Components covering surplus |
| CN206501002U (en) * | 2017-02-05 | 2017-09-19 | 宜兴市九荣特种陶瓷有限公司 | A kind of ceramic ceramics polishing clamp |
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2018
- 2018-12-18 CN CN201811545600.0A patent/CN109606726B/en active Active
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| Publication number | Publication date |
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| CN109606726A (en) | 2019-04-12 |
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