Supporting and fixing tool for assembling front fuselage of airplane
By designing a supporting fixing tool with motor-driven arc-shaped chute slide rail and strap-fixed support fixing, the problem of difficult assembly of the arc-shaped bottom of the front fuselage in the front of the aircraft is solved, and convenient movement and position adjustment of the staff lying down to ensure stable support and assembly of the front fuselage in the front of the aircraft is achieved.
Patent Information
- Application Number
- CN202421594426.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-08
AI Technical Summary
During the assembly of the front fuselage of the aircraft, the staff cannot assemble parts in some positions well because the bottom of the front fuselage of the aircraft is arcuate, and the existing bracket tooling cannot be effectively supported and fixed.
A support fixing tool including a bracket, a curved seat, a mobile station, a motor drive system and a strap is designed. The mobile station and a curved chute slide rail are cooperated to realize the sliding of the mobile station in the curved seat, and the staff is fixed by the strap, combining the guide rod and the electric push rod to achieve stable support and position adjustment of the aircraft's predecessor.
It realizes that when the staff lie down, they can easily move and adjust their position, avoiding the problem of not being able to reach the assembly position, and ensuring stable support and convenient assembly of the front fuselage of the aircraft.
Smart Images

Figure CN223071187U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aircraft assembly, in particular to a support and fixing tooling for aircraft front fuselage assembly. Background Technique
[0002] An aircraft refers to a heavier-than-air aircraft with wings and one or more engines that can fly in the atmosphere by its own power. Most of the front fuselage of an aircraft is cylindrical. When carrying out component assembly, it is usually placed on a bracket tooling, and component assembly is carried out by operators. However, the bottom of the aircraft front fuselage is arc-shaped. When the staff lies down directly to operate during component assembly at the bottom, there is a problem that some positions cannot be reached well, and thus component assembly cannot be carried out well. Therefore, a support and fixing tooling for aircraft front fuselage assembly is proposed to solve the above situation. Content of the Utility Model
[0003] The purpose of the utility model is to provide a support and fixing tooling for aircraft front fuselage assembly to solve the problems put forward in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical scheme:
[0005] A support and fixing tooling for aircraft front fuselage assembly includes a bracket. The top surface of the bracket is fixedly connected with support seats at equal distances. Between the support seats, arc-shaped seats adapted to the front body of the aircraft are provided. Inside the arc-shaped seats, a moving platform is provided. An arc-shaped chute is opened on the bottom surface of the moving platform, and an arc-shaped slide rail adapted to it is slidably connected in the arc-shaped chute. The arc-shaped slide rail is fixedly connected to the inside of the arc-shaped seat. A first gear is rotatably installed on the moving platform. A first motor is fixedly installed on the moving platform corresponding to the first gear. The output end of the first motor rotatably penetrates the moving platform and is fixedly connected to the first gear. An arc-shaped rack meshing with the first gear is arranged outside the first gear. The arc-shaped rack is fixedly connected to the inside of the arc-shaped seat. A plurality of straps are fixedly connected to the moving platform symmetrically at equal distances. The corresponding straps are fixedly connected to each other through magic tapes.
[0006] As a further scheme of the utility model: Two first guide rods are fixedly connected in parallel between the support seats at the position corresponding to the arc-shaped seat. The first guide rods slidably penetrate the arc-shaped seat, and circular holes for the first guide rods to penetrate and slide are opened on the arc-shaped seat.
[0007] As a still further scheme of the utility model: A threaded rod threadedly penetrates through the middle position of the bottom of the arc-shaped seat. A threaded sleeve for threaded connection with the threaded rod is fixedly embedded in the arc-shaped seat. The two ends of the threaded rod are respectively rotatably installed on the corresponding support seats. A second motor is fixedly installed on one side support seat. The output end of the second motor is fixedly connected with a second gear. A third gear meshing with the second gear is arranged outside the second gear. The third gear is fixedly sleeved on the outside of the threaded rod.
[0008] As a further solution of the utility model: moving frames are symmetrically arranged on both sides of the bracket, and clamping seats are fixedly connected to the opposite sides of the moving frames.
[0009] As a further solution of the utility model: triangular frames are fixedly connected to the lower parts of the moving frames, a second guide rod slidably penetrates through the triangular frames and the moving frames together, circular holes for the second guide rod to penetrate through and slide are formed in the triangular frames and the moving frames together, one end of the second guide rod is fixedly connected to the support base, and the other end of the second guide rod is fixedly connected to the bracket.
[0010] As a further solution of the utility model: an electric push rod is arranged between the bottom of the moving frame and the support base, the fixed end of the electric push rod is fixedly connected to the bottom surface of the support base, and the telescopic end of the electric push rod is fixedly connected to the bottom surface of the moving frame.
[0011] As a further solution of the utility model: the first motor, the second motor and the electric push rod are all externally connected with a power supply and a switch, and the switches of the first motor and the second motor are installed on the moving table, which is convenient for the staff to lie down and operate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. In the utility model, the moving table slides inside the arc-shaped seat through the cooperation of the arc-shaped chute and the arc-shaped slide rail, and is driven by the first motor, the first gear and the arc-shaped rack to control the position of the moving table inside the arc-shaped seat, so that the moving table can move along the bottom surface of the front body of the aircraft and maintain the distance between the moving table and the ground of the front body of the aircraft. The staff is fixed on the moving table through the binding belt, so that when lying down for operation, it can move conveniently and maintain the operation distance, avoiding the problem of being unable to reach the assembly position.
[0014] 2. The utility model conducts horizontal movement guidance on the arc-shaped seat through the first guide rod, and cooperates with the drive of the second motor. The second gear and the third gear drive the threaded rod to rotate, thereby driving the arc-shaped seat to move horizontally and controlling the assembly position of the staff.
[0015] 3. The utility model places the front body of the aircraft through the cooperation of the bracket and the support base. The triangular frame and the moving frame can move along the second guide rod, and the moving frame is driven by the electric push rod to clamp and fix the front body of the aircraft through the clamping seat, so that the front body of the aircraft is supported and fixed. Description of the Drawings
[0016] Figure 1 It is a structural schematic diagram of a support and fixing tool for assembling the front fuselage of an aircraft.
[0017] Figure 2 It is a front view of a support and fixing tool for assembling the front fuselage of an aircraft.
[0018] Figure 3 The present invention is a cross-sectional view of an arc-shaped seat in a supporting and fixing tooling for assembling the front fuselage of an aircraft.
[0019] Figure 4 The present invention is a top view of an arc-shaped seat in a supporting and fixing tooling for assembling the front fuselage of an aircraft.
[0020] In the figure: 1. bracket; 2. bracket; 3. arc seat; 4. arc rack; 5. moving platform; 6. arc slide; 7. arc slide rail; 8. first gear; 9. first motor; 10. binding belt; 11. first guide rod; 12. threaded rod; 13. second motor; 14. second gear; 15. third gear; 16. moving frame; 17. clamping seat; 18. tripod; 19. second guide rod; 20. electric push rod. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figures 1 to 4 In the embodiment of the utility model, a supporting and fixing tool for assembling the front fuselage of an aircraft comprises a bracket 1, a bracket 2 is fixedly connected to the top surface of the bracket 1 at equal distances, an arc seat 3 adapted to the front body of the aircraft is arranged between the brackets 2, a moving platform 5 is arranged on the inner side of the arc seat 3, an arc slide groove 6 is opened on the bottom surface of the moving platform 5, an arc slide rail 7 adapted to it is slidably connected in the arc slide groove 6, the arc slide rail 7 is fixedly connected to the inner side of the arc seat 3, a first gear 8 is rotatably installed on the moving platform 5, a first motor 9 is fixedly installed at the position of the moving platform 5 corresponding to the first gear 8, the output end of the first motor 9 rotates through the moving platform 5 and is fixedly connected to the first gear 8, the first gear 8 is provided with an arc rack 4 meshing with it for transmission, the arc rack 4 is fixedly connected to the inner side of the arc seat 3, a plurality of straps 10 are symmetrically fixedly connected to the moving platform 5 at equal distances, and the corresponding straps 10 are fixed to each other by Velcro.
[0023] The mobile platform 5 slides inside the arc-shaped seat 3 through the cooperation of the arc-shaped chute 6 and the arc-shaped slide rail 7. The first motor 9, the first gear 8, and the arc-shaped rack 4 form a drive to control the position of the mobile platform 5 inside the arc-shaped seat 3, enabling the mobile platform 5 to move along the bottom surface of the aircraft fuselage and maintaining the distance between the mobile platform 5 and the ground of the aircraft fuselage. The staff is fixed on the mobile platform 5 through the strap 10, so that when lying down for operation, it can be conveniently moved and the operation distance can be maintained, avoiding the problem of not being able to reach the assembly position.
[0024] Two first guide rods 11 are fixedly connected in parallel between the support seats 2 corresponding to the position of the arc-shaped seat 3. The first guide rods 11 slidably penetrate through the arc-shaped seat 3, and circular holes for the first guide rods 11 to penetrate and slide are provided on the arc-shaped seat 3.
[0025] A threaded rod 12 is threadedly penetrated through the middle position of the bottom of the arc-shaped seat 3. A threaded sleeve for threaded connection with the threaded rod 12 is fixedly embedded in the arc-shaped seat 3. The two ends of the threaded rod 12 are respectively rotatably installed on the corresponding support seats 2. A second motor 13 is fixedly installed on one side of the support seat 2. The output end of the second motor 13 is fixedly connected with a second gear 14. A third gear 15 meshing with the second gear 14 is arranged outside the second gear 14. The third gear 15 is fixedly sleeved on the outside of the threaded rod 12.
[0026] The first guide rods 11 conduct horizontal movement guidance for the arc-shaped seat 3. With the drive of the second motor 13, the second gear 14 and the third gear 15 drive the threaded rod 12 to rotate, thereby driving the arc-shaped seat 3 to move horizontally and controlling the assembly position of the staff.
[0027] Moving frames 16 are symmetrically arranged on both sides of the bracket 1. Clamping seats 17 are fixedly connected to the opposite sides of the moving frames 16.
[0028] Tripods 18 are fixedly connected to the lower parts of the moving frames 16. The stability of the connection between the moving frames 16 and the second guide rods 19 is improved through the tripods 18. The second guide rods 19 slidably penetrate through the tripods 18 and the moving frames 16 together. Circular holes for the second guide rods 19 to penetrate and slide are provided on the tripods 18 and the moving frames 16 together. One end of the second guide rod 19 is fixedly connected to the support seat 2, and the other end of the second guide rod 19 is fixedly connected to the bracket 1.
[0029] An electric push rod 20 is arranged between the bottom of the moving frame 16 and the support seat 2. The fixed end of the electric push rod 20 is fixedly connected to the bottom surface of the support seat 2, and the telescopic end of the electric push rod 20 is fixedly connected to the bottom surface of the moving frame 16.
[0030] The first motor 9, the second motor 13, and the electric push rod 19 are all externally connected with a power supply and a switch. The switches of the first motor 9 and the second motor 13 are installed on the mobile platform 5, which is convenient for the staff to operate while lying down.
[0031] The front body of the aircraft is placed through the cooperation of the bracket 1 and the support 2. The tripod 18 and the moving frame 16 can move along the second guide rod 19. The moving frame 16 is driven to move by the electric push rod 20, so as to clamp and fix the front body of the aircraft through the clamping seat 17, making the front body of the aircraft supported and fixed.
[0032] The working principle of the present utility model is as follows:
[0033] In use, the front body of the aircraft is placed on the support 2 on the bracket 1 through a hoisting device. The electric push rod 20 is used to pull the moving frame 16 to move along the second guide rod 19, and the front body of the aircraft is clamped and fixed through the clamping seat 17. At this time, the staff can lie on the moving table 5 and be fixed by the strap 10 at the same time. At this time, the first motor 9 can be used to drive the first gear 8 to rotate. Through the cooperation of the first gear 8 and the arc rack 4, the moving table 5 is driven to move along the sliding direction of the arc chute 6 and the arc slide rail 7 for position adjustment, and the assembly operation is carried out on different arc surfaces of the same front body of the aircraft. Further, the second motor 13 can be used to drive the second gear 14. Through the cooperation of the second gear 14 and the third gear 15, the threaded rod 12 is driven to rotate, so that the arc seat 3 moves along the first guide rod 11, thereby controlling the position of the staff under the front body of the aircraft and carrying out the assembly operation at different horizontal positions.
[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A support and fixing tooling for assembling the front fuselage of an aircraft, including a bracket (1), characterized in that: The top surface of the bracket (1) is fixedly connected with brackets (2) at equal distances. Between the brackets (2), there are arc-shaped seats (3) adapted to the front body of the aircraft. Inside the arc-shaped seat (3), there is a moving platform (5). The bottom surface of the moving platform (5) is provided with an arc-shaped sliding groove (6). A sliding connection is provided in the arc-shaped sliding groove (6) with an arc-shaped sliding rail (7) adapted thereto. The arc-shaped sliding rail (7) is fixedly connected to the inside of the arc-shaped seat (3). The moving platform (5) is rotatably installed with a first gear (8). A first motor (9) is fixedly installed at the position corresponding to the first gear (8) on the moving platform (5). The output end of the first motor (9) rotatably penetrates through the moving platform (5) and is fixedly connected to the first gear (8). Outside the first gear (8), there is an arc-shaped rack (4) meshing and driving with it. The arc-shaped rack (4) is fixedly connected to the inside of the arc-shaped seat (3). A plurality of straps (10) are fixedly connected to the moving platform (5) symmetrically at equal distances. Between the corresponding straps (10), they are fixed to each other through Velcro.
2. The support and fixing tooling for aircraft front fuselage assembly according to claim 1, characterized in that: Two first guide rods (11) are fixedly connected in parallel at the positions corresponding to the arc-shaped seat (3) between the brackets (2). The first guide rods (11) slidably penetrate through the arc-shaped seat (3).
3. The support and fixing tooling for assembling the front fuselage of an aircraft according to claim 1, wherein: A threaded rod (12) is threaded through the middle position at the bottom of the arc-shaped seat (3). The two ends of the threaded rod (12) are respectively rotatably installed with the corresponding brackets (2). A second motor (13) is fixedly installed on one side of the bracket (2). The output end of the second motor (13) is fixedly connected with a second gear (14). Outside the second gear (14), there is a third gear (15) meshing and driving with it. The third gear (15) is fixedly sleeved on the outside of the threaded rod (12).
4. The support and fixing tooling for aircraft front fuselage assembly according to claim 1, characterized in that: Moving frames (16) are symmetrically arranged on both sides of the bracket (1). Clamping seats (17) are fixedly connected to the opposite sides of the moving frames (16).
5. The support and fixing tooling for aircraft front fuselage assembly according to claim 4, characterized in that: Tripods (18) are fixedly connected to the lower parts of the moving frames (16). A second guide rod (19) slidably penetrates through the tripods (18) and the moving frames (16). One end of the second guide rod (19) is fixedly connected to the bracket (2), and the other end of the second guide rod (19) is fixedly connected to the bracket (1).
6. The support and fixing tooling for assembling the front fuselage of an aircraft according to claim 4, characterized in that: An electric push rod (20) is provided between the bottom of the moving frame (16) and the bracket (2). The fixed end of the electric push rod (20) is fixedly connected to the bottom surface of the bracket (2), and the telescopic end of the electric push rod (20) is fixedly connected to the bottom surface of the moving frame (16).