Double-rocker-arm transmission mechanism suitable for movable control surface of aircraft

Abstract

The double-rocker-arm transmission mechanism comprises a mounting plate and a rotating plate, a steering engine is mounted and connected to the inner wall of the side end of a mounting base body, a rocker arm is mounted and connected to the output end of the side end of the steering engine, locking plates are mounted and connected to the inner walls of the two ends of a protective baffle, and the locking plates are connected to the rotating plate. Locking holes are fixedly connected to the inner walls of the side ends of the locking plates, fixing holes are fixedly connected to the inner walls of the two ends of the limiting sliding plates and the limiting sliding frames, mounting frames are mounted and connected to the inner walls of the two ends of the limiting sliding frames, and fastening rods are arranged in the middles of the mounting frames. According to the double-rocker-arm transmission mechanism suitable for the movable control surface of the aircraft, the internal steering engine can be protected through the arranged protective baffle, invasion of external impurities and dust in the using process is reduced, the situation that transmission precision and reliability are affected due to long-term abrasion of a workpiece is prevented, and meanwhile the service life of the transmission mechanism is prolonged. And the precision of control surface control is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft equipment installation equipment, in particular to a double rocker arm transmission mechanism suitable for an aircraft movable control surface. Background Art

[0002] The double rocker arm transmission mechanism is a transmission mechanism used for the movable rudder surfaces of aircraft. It adopts an overall configuration in which a four-bar linkage and a crank slider mechanism are connected in series. It is mainly composed of a servo actuator, a rocker arm, an auxiliary rocker arm, a connecting rod, a rudder shaft support, an auxiliary rocker arm seat, an actuator support, etc.

[0003] During daily use, common device workpieces are usually installed directly on the outside during installation. During use, the influence of external impurities and other substances can easily affect the normal use of the device workpiece, thereby causing wear of the equipment workpiece and poor use effect.

[0004] Therefore, it is necessary to provide a double rocker arm transmission mechanism suitable for aircraft movable control surfaces to solve the above technical problems. Utility Model Content

[0005] The utility model provides a double rocker arm transmission mechanism suitable for an aircraft movable control surface, which solves the problem that the normal use of the device workpiece is easily affected by the influence of external impurities and other substances.

[0006] In order to solve the above technical problems, the utility model provides a double rocker arm transmission mechanism suitable for the movable control surface of an aircraft, comprising: a mounting plate, a rotating plate, a fixed baffle fixedly connected to the inner wall of the side end of the mounting plate, a mounting base installed and connected to the inner wall of the left end of the mounting plate, a supporting base installed and connected to the middle inner wall of the mounting plate, a connecting base installed and connected to the top inner wall of the rotating plate, a steering gear installed and connected to the inner wall of the side end of the mounting base, a rocker arm installed and connected to the output end of the steering gear side end, a limiting frame installed and connected to the inner walls of both ends of the fixed baffle, a accommodating cavity is provided in the middle of the limiting frame, a locking baffle is installed and connected to the inner wall of the top inner wall of the accommodating cavity, and the rotating plate The cam is fixedly mounted on one end of the movable plate, and the cam is secured to the bottom of the plate with a retaining member which is adapted to move relative to the top of the plate. The cam is secured to the bottom of the plate with a retaining member which is adapted to move relative to the top of the plate.

[0007] Preferably, mounting bolts are installed and connected on the top inner walls of the mounting base, the supporting base and the connecting base, and support blocks are provided on the side inner walls of the mounting base, the supporting base and the connecting base.

[0008] Preferably, support baffles are fixedly connected to the top inner walls of both ends of the fixed baffle.

[0009] Preferably, limiting rings are installed and connected on the inner walls at both ends of the limiting frame, and connecting plates are installed and connected on the inner walls at both ends of the limiting frame.

[0010] Preferably, fasteners are installed and connected on the inner walls at both ends of the limiting sliding frame, and fastening bolts are installed and connected on the inner walls at both ends of the fasteners.

[0011] Preferably, a locking bolt is installed and connected to the inner wall of the side end of the locking rod.

[0012] Compared with related technologies, the double rocker arm transmission mechanism for aircraft movable control surfaces provided by the present invention has the following beneficial effects:

[0013] The utility model provides a double-rocker arm transmission mechanism suitable for the movable rudder surface of an aircraft. During daily use of the servo, in order to reduce damage to the equipment during use, a protective baffle is provided to protect the internal servo, reduce the invasion of foreign matter and dust during use, and prevent the workpiece from being worn for a long time, which will affect the transmission accuracy and reliability. At the same time, it will cause the accuracy of the rudder surface control to decrease and the use effect to be poor. In addition, when the protective baffle of the device is installed and used, the limiting sliding frames provided at both ends can facilitate the staff to install the protective baffle conveniently, so that the position can be checked later, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a double rocker arm transmission mechanism suitable for an aircraft movable control surface provided by the utility model;

[0015] Figure 2 for Figure 1 A schematic structural diagram of the locking rod shown;

[0016] Figure 3 for Figure 1 The diagram shows a top view of a double rocker arm transmission mechanism suitable for an aircraft movable control surface;

[0017] Figure 4 for Figure 1 The structural diagram of the servo shown in FIG.

[0018] Figure 5 for Figure 1The structural diagram of the limit frame shown;

[0019] Figure 6 for Figure 1 Schematic diagram of the structure of the protective baffle shown.

[0020] Numbers in the figure: 1. Mounting plate, 2. Rotating plate, 3. Fixed baffle, 4. Support baffle, 5. Mounting base, 6. Support base, 7. Connecting base, 8. Servo, 9. Rocker arm, 10. Mounting bolt, 11. Support block, 12. Locking rod, 13. Locking bolt, 14. Limiting frame, 15. Accommodating cavity, 16. Locking baffle, 17. Limiting ring, 18. Connecting plate, 19. Rotating mounting rod, 20. Protective baffle, 21. Locking plate, 22. Locking hole, 23. Limiting slide plate, 24. Fixed hole, 25. Limiting slide frame, 26. Fastener, 27. Fastening bolt, 28. Mounting frame, 29. Fastening rod, 30. Return spring. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 、 Figure 6 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a double rocker arm transmission mechanism suitable for an aircraft movable control surface provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of the locking rod shown; Figure 3 for Figure 1 The diagram shows a top view of a double rocker arm transmission mechanism suitable for an aircraft movable control surface; Figure 4 for Figure 1 The structural diagram of the servo shown in FIG. Figure 5 for Figure 1 The structural diagram of the limit frame shown; Figure 6 for Figure 1The schematic diagram of the protective baffle structure shown. A double rocker transmission mechanism suitable for an aircraft's movable control surface comprises: a mounting plate 1 and a rotating plate 2. A fixed baffle 3 is fixedly connected to the inner wall of the side end of the mounting plate 1. A mounting base 5 is mounted and connected to the inner wall of the left end of the mounting plate 1. A supporting base 6 is mounted and connected to the middle inner wall of the mounting plate 1. A connecting base 7 is mounted and connected to the top inner wall of the rotating plate 2. A steering gear 8 is mounted and connected to the inner wall of the side end of the mounting base 5. A rocker arm 9 is mounted and connected to the output end of the side end of the steering gear 8. A limit frame 14 is mounted and connected to the inner walls of both ends of the fixed baffle 3. A receiving cavity 15 is provided in the middle of the limit frame 14. A locking baffle 16 is mounted and connected to the inner wall of the top of the receiving cavity 15. Rotating mounting rods are mounted and connected to the inner walls of both ends of the rotating plate 2. 19. Locking rods 12 are installed and connected on the inner walls at both ends of the fixed baffle 3. Limited sliding frames 25 are installed and connected on the inner walls of the tops of both ends of the mounting plate 1. Limited slide plates 23 are slidably connected on the inner walls of the side ends of the limited slide frames 25. Protective baffles 20 are installed and connected between the inner walls of the side ends of the limited slide plates 23. Locking plates 21 are installed and connected on the inner walls at both ends of the protective baffle 20. Locking holes 22 are fixedly connected on the inner walls of the side ends of the locking plates 21. Fixed holes 24 are fixedly connected on the inner walls at both ends of the limiting slide plates 23 and the limiting slide frames 25. Mounting frames 28 are installed and connected on the inner walls at both ends of the limiting slide frames 25. A fastening rod 29 is arranged in the middle of the mounting frame 28. A return spring 30 is installed and connected on the inner walls of the side ends of the fastening rod 29.

[0023] The mounting base 5, the supporting base 6 and the connecting base 7 are all connected with mounting bolts 10 on the top inner walls, and the mounting base 5, the supporting base 6 and the connecting base 7 are provided with support blocks 11 on the side inner walls to improve the accuracy of the workpiece position of the device and reduce the loosening phenomenon of the workpiece during use.

[0024] The inner walls at the tops of both ends of the fixed baffle 3 are fixedly connected with support baffles 4 to improve the stability of the device workpiece installation and prevent the normal use of the device from being affected.

[0025] The inner walls at both ends of the limit frame 14 are both installed with limit rings 17 and connecting plates 18 to improve the accuracy of the workpiece position of the device and prevent it from affecting normal use.

[0026] Fasteners 26 are installed and connected on the inner walls at both ends of the limit sliding frame 25, and fastening bolts 27 are installed and connected on the inner walls at both ends of the fasteners 26, which makes it convenient for staff to install and fix the device workpiece for later inspection and maintenance.

[0027] A locking bolt 13 is installed and connected to the inner wall of the side end of the locking rod 12, which can facilitate the staff to lock the position of the device workpiece for later maintenance and inspection.

[0028] The working principle of a double rocker arm transmission mechanism suitable for an aircraft movable control surface provided by the utility model is as follows:

[0029] During daily use of the servo 8, first, the servo 8 workpiece is installed on the mounting plate 1 and the rotating plate 2 to ensure that the device workpiece can be used normally during use. Subsequently, a limit slide frame 25 is set on the inner wall at both ends of the mounting plate 1. When protecting the servo 8, the protective baffle 20 can be directly slid and clamped into the inside of the limit slide frame 25, and then limited and clamped into the fixed hole 24 inside the limit slide plate 23 by the fastening rods 29 on the inner wall at both ends of the limit slide frame 25 to prevent the position from loosening during use. At the same time, the locking plates 21 at both ends of the protective baffle 20 can be limited and clamped into the inside of the locking rod 12 to prevent position deviation during installation, thereby improving the practicality of the device.

[0030] Compared with related technologies, the double rocker arm transmission mechanism for aircraft movable control surfaces provided by the present invention has the following beneficial effects:

[0031] During daily use of the servo 8, in order to reduce damage to the equipment during use, a protective baffle 20 is set to protect the internal servo 8, reduce the intrusion of external impurities and dust during use, and prevent the workpiece from long-term wear and tear, which will affect the transmission accuracy and reliability. At the same time, it will cause the accuracy of the rudder surface control to decrease and the use effect to be poor. In addition, during the installation and use of the protective baffle 20, the limiting sliding frames 25 set at both ends can facilitate the staff to easily install the protective baffle 20, so that the position can be checked later, thereby improving the practicality of the device.

[0032] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A double rocker arm transmission mechanism suitable for aircraft movable control surfaces, characterized in that: include: The cam is fixedly provided with a fixing plate on the inner wall of the side end of the mounting plate, and the fixing plate is fixedly connected to the inner wall of the left end of the mounting plate, and the fixing base is installed and connected to the inner wall of the middle inner wall of the mounting plate, and the supporting base is installed and connected to the inner wall of the top of the rotating plate, and the connecting base is installed and connected to the inner wall of the side end of the mounting base, and the steering gear is installed and connected to the output end of the steering gear side end. The rocker arm is installed and connected to the inner walls of both ends of the fixed baffle, and a accommodating cavity is provided in the middle of the limit frame. The locking baffle is installed and connected to the inner wall of the top of the accommodating cavity, and the rotating mounting rods are installed and connected to the inner walls of both ends of the rotating plate. The locking rods are installed and connected to the inner walls of both ends of the fixed baffle, and the inner walls at the top of both ends of the mounting plate are installed and connected to a limited sliding frame, and the inner walls of the side ends of the limiting sliding frame are slidably connected to the limited slide plate, and a protective baffle is installed and connected between the inner walls of the side ends of the limiting slide plate, and locking plates are installed and connected to the inner walls of both ends of the protective baffle, and locking holes are fixedly connected to the inner walls of the side ends of the locking plate. The limiting slide plate and the inner walls of both ends of the limiting sliding frame are fixedly connected to fixed holes, and the inner walls of both ends of the limiting sliding frame are fixedly connected to the mounting frames, and a fastening rod is provided in the middle of the mounting frame, and a reset spring is installed and connected to the inner wall of the side end of the fastening rod.

2. A double rocker arm transmission mechanism suitable for an aircraft movable control surface according to claim 1, characterized in that: Mounting bolts are installed and connected on the inner walls of the tops of the mounting base, the supporting base and the connecting base, and support blocks are provided on the inner walls of the side ends of the mounting base, the supporting base and the connecting base.

3. The double rocker arm transmission mechanism for an aircraft movable control surface according to claim 1, characterized in that: Support baffles are fixedly connected to the inner walls of the tops of both ends of the fixed baffle.

4. The double rocker arm transmission mechanism for an aircraft movable control surface according to claim 1, characterized in that: The inner walls at both ends of the limit frame are both installed and connected with limit rings, and the inner walls at both ends of the limit frame are both installed and connected with connecting plates.

5. The double rocker arm transmission mechanism suitable for aircraft movable control surfaces according to claim 1, characterized in that: Fasteners are installed and connected on the inner walls at both ends of the limiting sliding frame, and fastening bolts are installed and connected on the inner walls at both ends of the fasteners.

6. The double rocker arm transmission mechanism suitable for aircraft movable control surfaces according to claim 1, characterized in that: A locking bolt is installed and connected on the inner wall of the side end of the locking rod.

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