CN114713876B - Portable reaming equipment and reaming method for large aircraft floor - Google Patents
Portable reaming equipment and reaming method for large aircraft floor Download PDFInfo
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- CN114713876B CN114713876B CN202210406981.4A CN202210406981A CN114713876B CN 114713876 B CN114713876 B CN 114713876B CN 202210406981 A CN202210406981 A CN 202210406981A CN 114713876 B CN114713876 B CN 114713876B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The invention discloses portable reaming equipment and a reaming method for a large-scale aircraft floor, wherein the equipment structure comprises a box-shaped movable support, spring locking mechanisms, a liftable rotating tool rack, balanced hangers and reamers, wherein the two spring locking mechanisms are fixedly connected to two sides of the box-shaped movable support corresponding to the bearable position of an aircraft floor, the liftable rotating tool rack is fixedly arranged on the box-shaped movable support, the balanced hangers are arranged at the top end of the liftable rotating tool rack, the balanced liftable rotating tool rack is self-weight, the reamers are arranged at the front end of the liftable rotating tool rack, the liftable rotating tool rack drives the reamers to rotate for 360 degrees and lift perpendicular to the aircraft floor, and the extending length and the rotating angle of a moment arm at the front end of the liftable rotating tool rack are adjusted according to the required reaming position to drive the reamers to perform reaming.
Description
Technical Field
The application relates to the technical field of part machining equipment, in particular to portable reaming equipment and a reaming method for a large-scale aircraft floor.
Background
The main body of the cargo compartment of a large aircraft has a length of about 20 meters and a width of about 4 meters and is designed to be divided into three components: the left side floor, right side floor and middle floor, every floor assembly all need carry out the installation of hundreds of anchor ring, and every anchor ring all needs 4 mounting holes to install the location, and the aperture of every mounting hole is phi 14mm, all has phi 8 mm's primary hole on floor and the frame, before carrying out anchor ring installation, need expand phi 8 mm's primary hole to be phi 14 mm's through-hole.
At present, a traditional manual reamer-holding mode is adopted for reaming, because the self weight of reaming equipment is about 10kg, the reaming depth is required to be about 550mm, operators need to cooperate with a drilling jig when performing reaming operation, and the workers hold a high-power air drill and bend down for a long time for reaming. At present, the process is completely carried out by manpower, and great workload and work difficulty are brought to workers.
Aiming at a series of problems existing in the floor reaming process of the prior large-scale aircraft, a set of process equipment which has simple structure, stability, reliability, simple operation, capability of balancing the self weight of the reamer, capability of moving along a certain track of the floor and suitability for different apertures is urgently needed.
Disclosure of Invention
In order to solve the problems, the application provides portable reaming equipment and a reaming method for large aircraft floors, which can be used for reaming various aircraft floors.
In order to achieve the purpose, the application adopts the following technical scheme:
the utility model provides a portable reaming equipment for large-scale aircraft floor, its structure includes box-shaped movable support, spring locking mechanism, liftable rotatory tool holder, balanced hanging, the reamer, two spring locking mechanism fixed connection is on the box-shaped movable support's that corresponds with aircraft bottom plate bearable position both sides, liftable rotatory tool holder installs and fixes on box-shaped movable support, balanced hanging installs on liftable rotatory tool top, balanced liftable rotatory tool holder dead weight, the reamer is installed at liftable rotatory tool holder front end, liftable rotatory tool holder drives reamer 360 rotatory and perpendicular to aircraft bottom plate lift, the extension length and the rotation angle of the arm of force of liftable rotatory tool holder front end are adjusted according to the position of required reaming, drive the reamer and carry out reaming work.
The box-shaped movable support comprises a support main box, a slidable drawing box, two limiting pins, four support casters and eight guide positioning bearings, wherein the slidable drawing box and the support main box are connected and slide in a chute mode, the two limiting pins are respectively inserted into holes on two sides of the overlapping position of the slidable drawing box and the support main box, the two limiting pins are locked in position, relative displacement between the slidable drawing box and the support main box does not occur in the movement process of equipment, the four support casters are respectively arranged at four corners of the box-shaped movable support, and the two guide positioning bearings are respectively arranged on the inner side of each support caster.
The spring locking mechanism comprises a locking mechanism positioning seat, a rotatable positioning rod, a compression spring, a thrust washer, a locking nut and a butterfly joint, wherein the locking positioning seat is fixedly connected to the upper surface of the support main box, one end of the rotatable positioning rod penetrates through the locking positioning seat, the other end of the rotatable positioning rod is connected with the butterfly joint, the locking nut is sleeved on the rotatable positioning rod and is installed at the lower end of the butterfly joint, the lower end of the locking nut is sleeved with the thrust washer, and the compression spring is sleeved below the thrust washer.
The locking mechanism positioning seat is of a cuboid ladder structure, two sides of the cuboid large end are provided with oblong holes for adjusting and connecting the support main box, and four corners of the cuboid small end are respectively provided with extension ends matched with round holes of the bottom groove of the aircraft floor, so that the positioning function on equipment is achieved.
The rotatable positioning rod is of a rod piece structure with an oblong chassis at the lower part, the rotatable positioning rod can slide up and down through the compression spring to rotate, when the equipment moves to a required position, the rotatable positioning rod is pressed down to rotate by 90 degrees, and the long side of the oblong chassis is clamped in a bottom groove of an aircraft floor to lock the equipment.
The lifting rotary tool frame comprises a lifting support rod, a rotary support rod, a conical drum, a tool fixer and a lifting support rod base, wherein the lifting support rod base is fixedly connected to the upper surface of a support main box of the box-shaped movable support, the conical drum is installed inside the rotary support rod and is used for bearing loads so that the rotary support rod can be locked at the position of the lifting support rod, sliding all the positions of the lifting support rod, the tool fixer is connected to the front end of the rotary support rod, and the reamer is installed on the tool fixer.
The method for reaming the large-scale airplane floor by using the portable equipment comprises the following steps:
1. sliding a main support box in a box-shaped movable support into an aircraft floor bearing structure table, inserting a sliding-out drawer box in the box-shaped movable support along the direction of a main support box sliding groove, and forming a whole by using two limiting pins;
2. adjusting the position of the box-shaped movable support on the plane floor bearing structure table, sinking the two spring locking mechanisms into the support main box, and enabling four corners of the cuboid small end of the positioning seat of the adjusting locking mechanism to be matched with the plane floor circular groove;
3. the spring locking mechanism is moved according to the position of the locking mechanism positioning seat, and the locking mechanism positioning seat is fixedly connected with the support main box;
4. after the required flaring drill is fixedly connected with the tool fixer, the liftable rotary tool rack is installed and fixed on the lifting support rod base;
5. adjusting a lifting support rod and a rotating support rod of the lifting rotary tool frame, and placing the reamer at a corresponding reaming position for reaming operation;
6. after the reaming is completed at the corresponding reaming position, pushing the box-shaped movable support, driving the equipment to go to the next reaming position by four casters with the support, repeating the steps 5-6, and completing the reaming operation of a plurality of reaming positions.
The reamer has the advantages that the reamer is balanced in dead weight, capable of moving along a certain track of the floor and suitable for process operation of different apertures by utilizing the movable portable equipment, the problem that the existing reamer is completely manually operated, and extremely large workload and working difficulty are brought to workers is solved.
The present application is described in further detail below with reference to the accompanying drawings and specific examples.
Drawings
FIG. 1 is a block diagram of a portable reaming device;
FIG. 2 is a block diagram of a box-like movable support;
the numbering in the figures illustrates: 1. a box-like movable support; 2. a spring locking mechanism; 3. a liftable and rotatable tool holder; 4. balance hanging; 5. a reamer; 6. a support main box; 7. can slide out of the drawer; 8. a limiting pin; 9. support casters; 10. a guiding positioning bearing; 11. a locking mechanism positioning seat; 12. a rotatable positioning rod; 13. a compression spring; 14. a thrust washer; 15. a lock nut; 16. a butterfly joint; 17. lifting the supporting rod; 18. rotating the support rod; 19. a conical drum; 20. a tool holder; 21. lifting the support rod base.
Detailed Description
Referring to fig. 1 and 2, a portable reaming device for a large aircraft floor structurally comprises a box-shaped movable support 1, spring locking mechanisms 2, a liftable rotary tool rack 3, balance hangers 4 and a reamer 5, wherein the two spring locking mechanisms 2 are fixedly connected to two sides of the box-shaped movable support 1 corresponding to the bearable position of an aircraft floor, the liftable rotary tool rack 3 is fixedly arranged on the box-shaped movable support 1, the balance hangers 4 are arranged at the top end of the liftable rotary tool rack 3, the balance liftable rotary tool rack 3 is self-weight, the reamer 5 is arranged at the front end of the liftable rotary tool rack 3, the liftable rotary tool rack 3 drives the reamer 5 to rotate 360 degrees and lift perpendicular to the aircraft floor, and the extension length and the rotation angle of a force arm at the front end of the liftable rotary tool rack 3 are adjusted according to the required reaming position to drive the reamer 5 to perform reaming work.
The box-shaped movable support 1 comprises a support main box 6, a slidable drawing box 7, two limiting pins 8, four support casters 9 and eight guide positioning bearings 10, wherein the slidable drawing box 7 and the support main box 6 are connected and slide in a sliding way, the two limiting pins 8 are respectively inserted into two side holes at the overlapping positions of the slidable drawing box 7 and the support main box 6, the two limiting pins are locked in position, relative displacement between the slidable drawing box 7 and the support main box 6 does not occur in the movement process of equipment, the four support casters 9 are respectively arranged at four corners of the box-shaped movable support 1, and the inner side of each support caster 9 is provided with two guide positioning bearings 10.
The spring locking mechanism 2 comprises a locking mechanism positioning seat 11, a rotatable positioning rod 12, a compression spring 13, a thrust washer 14, a locking nut 15 and a butterfly joint 16, wherein the locking positioning seat 11 is fixedly connected to the upper surface of the support main box 6, one end of the rotatable positioning rod 12 penetrates through the locking positioning seat 11, the other end of the rotatable positioning rod 12 is connected with the butterfly joint 16, the locking nut 15 is sleeved on the rotatable positioning rod 12 and is installed at the lower end of the butterfly joint 16, the lower end of the locking nut 15 is sleeved with the thrust washer 14, and the compression spring 13 is sleeved below the thrust washer 14.
The locking mechanism positioning seat 11 is of a cuboid ladder structure, two sides of the cuboid large end are provided with oblong holes for adjusting and connecting the support main box, and four corners of the cuboid small end are respectively provided with extension ends matched with round holes of the bottom groove of the aircraft floor, so that the positioning effect on equipment is achieved.
The rotatable positioning rod 12 is of a rod structure with an oblong chassis at the lower part, the rotatable positioning rod 12 can slide up and down through the compression spring 13 to rotate, when the equipment moves to a required position, the rotatable positioning rod 12 is pressed down to rotate by 90 degrees, and the long side of the oblong chassis is clamped in the bottom groove of the aircraft floor to lock the equipment.
The liftable rotary tool holder 3 comprises a lifting support 17, a rotary support 18, a conical drum 19, a tool holder 20 and a lifting support base 21, wherein the lifting support base 21 is fixedly connected to the upper surface of the support main box 6 of the box-shaped movable support 1, the conical drum 19 is installed inside the rotary support 18 and is used for bearing load so that the rotary support 18 can slide around the lifting support 17 and is locked, the tool holder 20 is connected to the front end of the rotary support 18, and the reamer 5 is provided with the tool holder 20.
The reaming method using the portable reaming device comprises the following steps:
1. the main support box 6 in the box-shaped movable support 1 is slid into the aircraft floor bearing structure platform, the sliding-out drawer box in the box-shaped movable support 1 is inserted along the sliding groove direction of the main support box 6, and the box-shaped movable support 1 is formed into a whole by two limiting pins 8;
2. the position of the box-shaped movable support 1 on the plane floor bearing structure table is adjusted, two spring locking mechanisms 2 are sunk into the support main box 6, and four corners of the small end of a cuboid of the positioning seat 11 of the locking mechanism are matched with the plane floor circular groove;
3. the spring locking mechanism 2 is moved according to the position of the locking mechanism positioning seat 11, and the locking mechanism positioning seat 11 is fixedly connected with the support main box 6;
4. after the required flaring drill 5 is fixedly connected with the tool fixer 20, the liftable rotary tool rack 3 is installed and fixed on the lifting support rod base 21;
5. adjusting the lifting support rod 17 and the rotating support rod 18 of the lifting rotary tool frame 3, and placing the reamer 5 at the corresponding reaming position for reaming operation;
6. after the reaming is completed at the corresponding reaming position, the box-shaped movable support 1 is pushed, the four casters 9 with the supports drive the equipment to go to the next reaming position, and the steps 5-6 are repeated to complete the reaming operation of a plurality of reaming positions.
Claims (5)
1. A portable reaming equipment for large-scale aircraft floor, characterized by includes box-shaped movable support, spring locking mechanism, liftable rotatory tool holder, balanced hanging, reamer, two spring locking mechanism fixed connection are in the both sides on the box-shaped movable support that corresponds with the aircraft bottom plate bearable position, but the installation of liftable rotatory tool holder is fixed on box-shaped movable support, balanced hanging is installed on liftable rotatory tool top, balanced liftable rotatory tool holder dead weight, the reamer is installed at liftable rotatory tool holder front end, but the rotatable tool holder drives 360 rotations of reamer and perpendicular to aircraft bottom plate lift, according to the position of required reaming adjusts the length of stretching out and rotation angle of liftable rotatory tool holder front end arm, drive the reamer and carry out reaming work, spring locking mechanism include locking mechanism positioning seat, rotatable positioning rod, compression spring, thrust washer, lock nut, belleville joint, locking positioning seat fixed connection is at the support main box upper surface, but rotatable positioning rod one end passes the lock positioning seat, the other end attach joint, the lock sleeve is on the rotation positioning rod, install at the belleville nut lower extreme, the cuboid is equipped with the roll sleeve, the cuboid is equipped with the locating nut is equipped with the locating sleeve to the side of a roll, the cuboid is equipped with a big end of roll, the locating sleeve is equipped with a round hole for locating the hole is equipped with a locating sleeve, and the diameter of a round hole is equipped with a round hole.
2. The portable reaming device for the floor of the large aircraft according to claim 1, wherein the box-shaped movable support comprises a support main box, a slidable drawer box, two limiting pins, four support casters and eight guiding and positioning bearings, the slidable drawer box and the support main box are connected and slid in a sliding way, the two limiting pins are respectively inserted into holes on two sides of the overlapping position of the slidable drawer box and the support main box, the two limiting pins are locked in position, relative displacement between the slidable drawer box and the support main box does not occur in the moving process of the device, the four support casters are respectively arranged at four corners of the box-shaped movable support, and the inner side of each support caster is provided with the two guiding and positioning bearings.
3. The portable reaming device for large aircraft floors of claim 2, wherein the rotatable positioning rod is a rod structure with an oblong chassis below, the rotatable positioning rod can slide up and down to rotate by compressing springs, when the device moves to a required position, the rotatable positioning rod is pressed down to rotate by 90 degrees, and the long side of the oblong chassis is clamped in a bottom groove of the aircraft floor to lock the device.
4. A portable reaming device for large aircraft floors according to claim 3, characterized in that said liftable rotating tool holder comprises lifting struts, rotating struts, conical drums, tool holders, lifting strut bases fixedly connected to the upper surface of the main support box of the box-like movable support, conical drums mounted inside the rotating struts for bearing loads so that the rotating struts are locked in position where the lifting struts slide everywhere, tool holders connected to the front ends of the rotating struts, reamer mounting tool holders.
5. A method of reaming a large aircraft floor using a portable reaming device as defined in claim 4, comprising the steps of:
5-1, sliding a main support box in a box-shaped movable support into an aircraft floor bearing structure table, inserting a sliding-out drawer box in the box-shaped movable support along the direction of a main support box sliding groove, and forming a whole by using two limiting pins;
5-2, adjusting the position of the box-shaped movable support on the plane floor bearing structure table, sinking the two spring locking mechanisms into the support main box, and adjusting the four corners of the cuboid small end of the locking mechanism positioning seat to be matched with the plane floor circular groove;
5-3, moving the spring locking mechanism according to the position of the locking mechanism positioning seat, and fixedly connecting the locking mechanism positioning seat with the support main box;
5-4, after the required flaring drill is fixedly connected with the tool fixer, the liftable rotary tool rack is installed and fixed on the lifting support rod base;
5-5, adjusting a lifting support rod and a rotating support rod of the lifting rotary tool frame, and placing the reamer at a corresponding reaming position for reaming operation;
5-6, after the reaming is completed at the corresponding reaming position, pushing the box-shaped movable support, driving the equipment to go to the next reaming position by four casters with the support, and repeating the steps 5-5 and 5-6 to complete the reaming operation of a plurality of reaming positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406981.4A CN114713876B (en) | 2022-04-18 | 2022-04-18 | Portable reaming equipment and reaming method for large aircraft floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210406981.4A CN114713876B (en) | 2022-04-18 | 2022-04-18 | Portable reaming equipment and reaming method for large aircraft floor |
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| Publication Number | Publication Date |
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| CN114713876A CN114713876A (en) | 2022-07-08 |
| CN114713876B true CN114713876B (en) | 2023-06-23 |
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| CN202210406981.4A Active CN114713876B (en) | 2022-04-18 | 2022-04-18 | Portable reaming equipment and reaming method for large aircraft floor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713876B (en) * | 2022-04-18 | 2023-06-23 | 中航西安飞机工业集团股份有限公司 | Portable reaming equipment and reaming method for large aircraft floor |
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| CN114713876A (en) * | 2022-04-18 | 2022-07-08 | 中航西安飞机工业集团股份有限公司 | Portable hole expanding equipment and hole expanding method for large airplane floor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9789577B2 (en) * | 2016-01-29 | 2017-10-17 | The Boeing Company | Counterbalance system for upper horizontal surface drilling operations |
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|---|---|---|---|---|
| CN2744822Y (en) * | 2004-10-29 | 2005-12-07 | 辽河石油勘探局 | Safety locking device for hole-enlarging tool for drilling |
| JP2019007171A (en) * | 2017-06-21 | 2019-01-17 | 国土防災技術株式会社 | Method for manufacturing hole expansion bit of rhombic pantagraph specifications and hole expansion bit of rhombic pantagraph specifications capable of adjusting hole diameter |
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| CN211758589U (en) * | 2019-12-25 | 2020-10-27 | 江西鸿宇电路科技有限公司 | Automatic positioning and drilling equipment |
| CN111266620A (en) * | 2020-03-24 | 2020-06-12 | 康宏伟 | High-efficient reaming machine |
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| CN114713876A (en) | 2022-07-08 |
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