Flap control system asymmetric fault test device and use method thereof

Abstract

The invention discloses a flap control system asymmetric fault test device and a use method thereof, and relates to the technical field of aircraft test modification. The torsion bar comprises a first bar body and a second bar body, the first bar body is provided with a torsion bar disengaging assembly used for disconnecting torque transmission between the first bar body and the second bar body, the torsion bar disengaging assembly comprises a clamping jaw mechanism, a fixing mechanism and a positioning mechanism, and the clamping jaw mechanism is located outside the second bar body; the clamping jaw mechanism is used for achieving disconnection and connection of torque transmission between the first rod body and the second rod body, the fixing mechanism is used for installing the clamping jaw mechanism so that the clamping jaw mechanism can be used as a control piece, and the positioning mechanism is located outside the first rod body. The first rod body and the second rod body serve as two torsion rods, and the clamping jaw mechanism is connected with or separated from the positioning groove in the positioning disc, so that the torque transmission of the first rod body and the second rod body is disconnected, and the state that the torsion rods cannot transmit torque after being broken is simulated.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft test modification, in particular to an asymmetric fault test device for a flap control system and a use method thereof. Background Art

[0002] The flap control system is usually an important part of the aircraft's fly-by-wire control system. The flap control system is usually responsible for receiving instructions from the flight control computer and realizing precise follow-up control of the flaps. The flap is a movable device on the edge of the modern wing. Through the control of this system, the curvature and area of ​​the wing can be changed, thereby increasing the lift of the aircraft and shortening the rolling distance during takeoff and landing. In order to verify the reliability of the system after a failure occurs, the aircraft will carry out a series of fault simulation tests during the design process, including fault verification tests of the flap control system.

[0003] In the verification test of the prior art, there is a typical test scenario. Usually, the flaps on both sides of the aircraft will move simultaneously driven by the central drive device. The torsion bar usually used to drive the flap movement cannot transmit torque due to unilateral fracture, resulting in an asymmetric position state of the aircraft flaps.

[0004] However, the existing technology is usually not convenient for simulating the state where the torsion bar cannot transmit torque, which in turn affects the perfection of fault state verification during the aircraft design process. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a flap control system asymmetric fault test device and a method of using the same, which solves the problem that the state in which the torsion bar cannot transmit torque can not be simulated, thereby affecting the perfection of fault verification in the aircraft design process and the asymmetric fault simulation effect of the flap control system.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A flap control system asymmetric fault test device, comprising:

[0007] A first rod body and a second rod body, wherein the second rod body and the first rod body are coaxially located.

[0008] The first rod body is provided with a torsion bar disengagement assembly for disconnecting the torque transmission between the first rod body and the second rod body, and the torsion bar disengagement assembly includes:

[0009] A claw mechanism, the claw mechanism is located outside the second rod body, and the claw mechanism is used to disconnect and connect the torque transmission between the first rod body and the second rod body;

[0010] A fixing mechanism, the fixing mechanism is located outside the second rod body, and the fixing mechanism is used to install the claw mechanism so that the claw mechanism can be used as a control member;

[0011] The positioning mechanism is located outside the first rod body and is used to connect with the claw mechanism to connect the first rod body with the second rod body for torque transmission.

[0012] Preferably, the claw mechanism comprises:

[0013] A fixed sleeve, the fixed sleeve is slidably sleeved on the outside of the second rod body, a side portion of the fixed sleeve is fixedly connected to a fixed cylinder, and the fixed sleeve and the fixed cylinder are used to slide on the outside of the second rod body;

[0014] The first ear pieces are arranged in a ring array and are fixedly connected to the outside of the fixing tube.

[0015] Preferably, the claw mechanism further comprises:

[0016] A first claw body, wherein the first claw body is arranged in a ring array and in an L-shape, the first claw body is located inside the first ear piece, and the first ear piece is used to connect with the first claw body so that the first claw body is connected with the fixed sleeve and the fixed cylinder;

[0017] The second claw body is arranged in a ring array and in an L-shape. The second claw body is located inside the first claw body. The first claw body is used to drive the second claw body to rotate so as to connect the second claw body with the positioning mechanism so that the torque of the first rod body and the second rod body is transmitted.

[0018] Preferably, a first through hole is formed on the outside of the first ear piece, and a second through hole is formed on the outside of the first claw body. A first bolt is slidably inserted into the inner cavity of the first through hole, and the first bolt is slidably inserted into the inner cavity of the second through hole. A first nut is threadedly inserted into the outer wall of the first bolt, and the first bolt is used as a fulcrum of the first claw body to enable the first claw body to rotate.

[0019] Preferably, a second bolt is slidably inserted into the outside of the first claw body, the outer wall of the second bolt is slidably inserted into the second claw body, the outer wall of the second bolt is threadedly inserted into the second nut, and the second bolt is used as a fulcrum between the first claw body and the second claw body to enable the first claw body and the second claw body to rotate.

[0020] Preferably, the fixing mechanism comprises:

[0021] A connecting tube, the connecting tube is fixedly inserted and connected to the outer wall of the second rod body, a docking ring is fixedly connected to the side of the connecting tube, and the connecting tube is used to support the installation position of the second claw body;

[0022] The second ear pieces are arranged in a ring array, the second ear pieces are fixedly connected to the outer wall of the connecting tube, the second claw body is located inside the second ear piece, and the second ear piece is used to install the second claw body.

[0023] Preferably, a third through hole is provided on the outside of the second ear piece, a third bolt is slidably inserted into the inner cavity of the third through hole, a fourth through hole matching the third bolt is provided on the outside of the second claw body, a third nut is threadedly inserted into the outer wall of the third bolt, and the third bolt is used as a fulcrum of the second claw body to enable the second claw body to rotate.

[0024] Preferably, the top and bottom ends of the first rod body are each provided with a first mounting hole, the side of the first rod body is provided with a second mounting hole, the top and bottom ends of the second rod body are each provided with a third mounting hole, and the side of the second rod body is provided with a fourth mounting hole.

[0025] Preferably, the positioning mechanism includes a positioning plate, which is fixedly inserted and connected to the outside of the first rod body. The positioning plate is located on the side of the connecting tube. The outside of the positioning plate is provided with positioning grooves in a circular array. The positioning grooves are used to allow the second claw body to connect with the inside after rotation, so that the torque between the first rod body and the second rod body can be transmitted.

[0026] The present invention also provides a method for using a flap control system asymmetric fault test device, comprising the following specific steps:

[0027] Step 1: First, the first rod body and the second rod body are used as a torsion bar for simulation, and the fixed sleeve slides outside the second rod body by sliding the fixed sleeve, and the fixed sleeve drives the fixed tube to slide, and then the fixed tube drives the first ear piece to move;

[0028] Step 2: Then the first ear piece drives the first bolt to move, and then the first bolt drives the first claw body to rotate with the first bolt and the second bolt fulcrum, and then the first claw body drives the second claw body to rotate with the second bolt and the third bolt fulcrum, so that the second claw body rotates to disengage from the inside of the positioning groove on the positioning plate;

[0029] Step 3: At this time, the torque transmission between the first rod and the second rod is disconnected, and then an external driving device is used to drive the first rod and the second rod to move, so as to perform asymmetric movement of the left and right flaps, thereby simulating a state in which the torsion bar cannot transmit torque.

[0030] The present invention discloses a flap control system asymmetric fault test device and a use method thereof, which have the following beneficial effects:

[0031] The first rod body and the second rod body are used as two torsion bars. The sliding of the fixed sleeve and the fixed cylinder is used to drive the first claw body and the second claw body to move. The torque transmission between the first rod body and the second rod body is disconnected by connecting or disengaging the claw mechanism with the positioning groove on the positioning plate, thereby simulating the state in which the torsion bar cannot transmit torque after breaking, and setting a test scenario of the disconnection of the rod-type force transmission component, thereby improving the simulation effect of the asymmetric fault of the flap control system, and facilitating improving the perfection of fault verification in the aircraft design process. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2 This is an enlarged view of the connection seat of the present invention;

[0035] Figure 3 For the present invention Figure 2 Enlarged view of the middle rotating cover;

[0036] Figure 4 This is a schematic diagram of the connection of the sliding seat of the present invention;

[0037] Figure 5 This is a schematic diagram of the internal structure of the positioning seat of the present invention;

[0038] Figure 6 It is a schematic diagram of the structure of the second ear piece of the present invention.

[0039] In the figure: 1. first rod body; 2. second rod body; 3. claw mechanism; 31. fixing sleeve; 32. fixing cylinder; 33. first ear piece; 34. first bolt; 35. first nut; 36. first claw body; 37. second claw body; 38. second bolt; 39. second nut; 4. fixing mechanism; 41. connecting cylinder; 42. docking ring; 43. second ear piece; 44. third bolt; 45. third nut; 5. positioning mechanism; 51. positioning plate; 52. positioning groove. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The embodiment of the present application provides an asymmetric fault test device for a flap control system and a method for using the same, which solves the problem that the state in which the torsion bar cannot transmit torque cannot be simulated. First, the first rod body 1 and the second rod body 2 are used as a torsion bar for simulation, and the fixed sleeve 31 is slid. The fixed sleeve 31 slides outside the second rod body 2, and the fixed sleeve 31 drives the fixed cylinder 32 to slide, and then the fixed cylinder 32 drives the first ear piece 33 to move, and then the first ear piece 33 drives the first bolt 34 to move, and then the first bolt 34 drives the first claw body 36 to move the first bolt 34 and the second The bolt 38 rotates at the fulcrum, and then the first claw body 36 drives the second claw body 37 to rotate at the fulcrum of the second bolt 38 and the third bolt 44, so that the second claw body 37 rotates to disengage from the inside of the positioning groove on the positioning plate 51. At this time, the torque transmission between the first rod body 1 and the second rod body 2 is disconnected, realizing a state in which the simulated torsion bar cannot transmit torque, and then an external driving device is used to drive the first rod body 1 and the second rod body 2 to move. Since the torque cannot continue to be transmitted downward, the flap on one side of the device stops deflecting, and the flap on the other side continues to move, thereby performing asymmetric movement of the left and right flaps.

[0042] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] An embodiment of the invention discloses an asymmetric fault test device for a flap control system.

[0044] According to the attached Figure 1 As shown in Figure 6, it includes a first rod body 1 and a second rod body 2, and the second rod body 2 and the first rod body 1 are coaxially located.

[0045] Furthermore, a torsion bar disengaging assembly for disconnecting the torque transmission between the first rod body 1 and the second rod body 2 is provided on the first rod body 1 to perform asymmetric movement of the left and right flaps. The torsion bar disengaging assembly includes a claw mechanism 3, a fixing mechanism 4 and a positioning mechanism 5. A first mounting hole is provided at the top and bottom ends of the first rod body 1. The first mounting hole and the second mounting hole are conducive to the connection of an external drive device through external bolts to install the first rod body 1. The third mounting hole and the fourth mounting hole are conducive to the connection with the external drive device through external bolts to install the second rod body 2. A second mounting hole is provided on the side of the first rod body 1. A third mounting hole is provided on the top and bottom ends of the second rod body 2. A fourth mounting hole is provided on the side of the second rod body 2. The first rod body 1 and the second rod body 2 are used as a substitute for a single-sided complete torsion bar of a flap control system for simulation. Operation, the first rod body 1 and the second rod body 2 can be connected to the external driving device, thereby driving the first rod body 1 and the second rod body 2 to move, and an asymmetric fault verification test is performed on the flap. The claw mechanism 3 is located outside the second rod body 2, and the claw mechanism 3 is used to realize the disconnection and connection of the torque transmission between the first rod body 1 and the second rod body 2, so as to simultaneously drive the first rod body 1 and the second rod body 2 to move through the external driving device. The movement of the first rod body 1 and the second rod body 2 drives the deflection of the flap. The fixing mechanism 4 is located outside the second rod body 2, and the fixing mechanism 4 is used to install the claw mechanism 3 so that the claw mechanism 3 is used as a control member. The positioning mechanism 5 is located outside the first rod body 1, and the positioning mechanism 5 is used to connect with the claw mechanism 3, so that the first rod body 1 is connected to the second rod body 2 for torque transmission, and vice versa, torque disconnection is performed.

[0046] Specifically, the claw mechanism 3 includes a fixed sleeve 31, a first ear piece 33, a first claw body 36 and a second claw body 37. The fixed sleeve 31 is slidably sleeved on the outside of the second rod body 2. The side of the fixed sleeve 31 is fixedly connected to the fixed cylinder 32. The fixed sleeve 31 and the fixed cylinder 32 are used to slide on the outside of the second rod body 2. The first ear piece 33 is arranged in an annular array. The first ear piece 33 is fixedly connected to the outside of the fixed cylinder 32. The first claw body 36 is arranged in an annular array, and the first claw body 36 is arranged in an L shape. The first claw body 36 is located inside the first ear piece 33, and the first ear piece 33 is used to connect with the first claw body 36, so that the first claw body 36 is connected to the fixed sleeve 31 and the fixed cylinder 32, and the first claw body 36 is driven to rotate by sliding the fixed sleeve 31 and the fixed cylinder 32. The second claw body 37 is arranged in a ring array, and the second claw body 37 is arranged in an L shape. The second claw body 37 is located inside the first claw body 36, and the first claw body 36 is used to drive the second claw body 37 to rotate, so as to align the second claw body 37 with the positioning mechanism 5. The first lug 33 is connected to the first rod 1 and the second rod 2 so that the torque is transmitted. The first lug 33 is provided with a first through hole on the outside, and the first claw 36 is provided with a second through hole on the outside. The first bolt 34 is slidably inserted and connected to the inner cavity of the first through hole. The first bolt 34 and the first nut 35 are conducive to connecting and installing the first claw 36 and the first lug 33. The first bolt 34 is slidably inserted and connected to the inner cavity of the second through hole. The outer wall of the first bolt 34 is threadedly inserted and connected to the first nut 35. The first bolt 34 is used as a first The fulcrum of the claw body 36 allows the first claw body 36 to rotate. The outside of the first claw body 36 is slidably inserted and connected with the second bolt 38. The second bolt 38 and the second nut 39 are conducive to connecting and fixing the first claw body 36 and the second claw body 37. The outer wall of the second bolt 38 is slidably inserted and connected with the second claw body 37. The outer wall of the second bolt 38 is threadedly inserted and connected with the second nut 39. The second bolt 38 is used as the fulcrum of the first claw body 36 and the second claw body 37 to allow the first claw body 36 and the second claw body 37 to rotate.

[0047] Further, the fixing mechanism 4 includes a connecting tube 41 and a second ear piece 43, the connecting tube 41 is fixedly inserted and connected to the outer wall of the second rod body 2, and the side of the connecting tube 41 is fixedly connected to the docking ring 42, the connecting tube 41 is used to support the installation position of the second claw body 37, the second ear piece 43 is arranged in a ring array, the second ear piece 43 is fixedly connected to the outer wall of the connecting tube 41, the second claw body 37 is located inside the second ear piece 43, the second ear piece 43 is used to install the second claw body 37, a third through hole is opened on the outside of the second ear piece 43, and a third bolt 44 is slidably inserted and connected to the inner cavity of the third through hole, and the third bolt 44 and the third nut 45 are conducive to connecting and fixing the second claw body 37 to the second ear piece 43, and a fourth through hole matching the third bolt 44 is opened on the outside of the second claw body 37, and the outer wall of the third bolt 44 is threadedly inserted and connected with the third nut 45, and the third bolt 44 is used as a fulcrum of the second claw body 37 to rotate the second claw body 37.

[0048] Specifically, the positioning mechanism 5 includes a positioning plate 51, which is fixedly inserted and connected to the outside of the first rod body 1. The positioning plate 51 is located on the side of the connecting tube 41. The outside of the positioning plate 51 is provided with positioning grooves 52 in a circular array. The positioning grooves 52 are used to enable the second claw body 37 to connect with its interior after rotation to transmit the torque between the first rod body 1 and the second rod body 2. Conversely, it is separated from its interior to disconnect the torque between the first rod body 1 and the second rod body 2, so as to perform an asymmetric motion test of the flap.

[0049] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flap control system asymmetric fault test device, comprising: A first rod body (1) and a second rod body (2), wherein the second rod body (2) and the first rod body (1) are coaxially located. The invention is characterized in that a torsion bar disengagement assembly for disconnecting the torque transmission between the first rod body (1) and the second rod body (2) is provided on the first rod body (1), and the torsion bar disengagement assembly comprises: A claw mechanism (3), the claw mechanism (3) being located outside the second rod body (2), and the claw mechanism (3) being used to realize the disconnection and connection of torque transmission between the first rod body (1) and the second rod body (2); A fixing mechanism (4), the fixing mechanism (4) being located outside the second rod body (2), and the fixing mechanism (4) being used to install the claw mechanism (3) so that the claw mechanism (3) can be used as a control member; A positioning mechanism (5) is located outside the first rod body (1) and is used to connect with the claw mechanism (3) so that the first rod body (1) is connected with the second rod body (2) to transmit torque.

2. A flap control system asymmetric fault test device according to claim 1, characterized in that: The claw mechanism (3) comprises: A fixed sleeve (31), the fixed sleeve (31) being slidably sleeved on the outside of the second rod body (2), a fixed cylinder (32) being fixedly connected to the side of the fixed sleeve (31), the fixed sleeve (31) and the fixed cylinder (32) being used to slide on the outside of the second rod body (2); The first ear pieces (33) are arranged in a ring array and are fixedly connected to the outside of the fixed cylinder (32).

3. A flap control system asymmetric fault test device according to claim 2, characterized in that: The claw mechanism (3) further comprises: A first claw body (36), wherein the first claw body (36) is arranged in a ring array and is arranged in an L shape, the first claw body (36) is located inside the first ear piece (33), and the first ear piece (33) is used to connect with the first claw body (36) so that the first claw body (36) is connected to the fixed sleeve (31) and the fixed cylinder (32); The second claw bodies (37) are arranged in a ring array and in an L-shape. The second claw bodies (37) are located inside the first claw body (36). The first claw body (36) is used to drive the second claw body (37) to rotate so as to connect the second claw body (37) with the positioning mechanism (5) so as to transmit the torque between the first rod body (1) and the second rod body (2).

4. A flap control system asymmetric fault test device according to claim 3, characterized in that: A first through hole is formed on the outside of the first ear piece (33), and a second through hole is formed on the outside of the first claw body (36). A first bolt (34) is slidably inserted into the inner cavity of the first through hole. The first bolt (34) is slidably inserted into the inner cavity of the second through hole. A first nut (35) is threadedly inserted into the outer wall of the first bolt (34). The first bolt (34) is used as a fulcrum of the first claw body (36) to enable the first claw body (36) to rotate.

5. A flap control system asymmetric fault test device according to claim 3, characterized in that: The outside of the first claw body (36) is slidably connected with a second bolt (38), the outer wall of the second bolt (38) is slidably connected with the second claw body (37), the outer wall of the second bolt (38) is threadedly connected with a second nut (39), and the second bolt (38) is used as a fulcrum for the first claw body (36) and the second claw body (37) to rotate the first claw body (36) and the second claw body (37).

6. A flap control system asymmetric fault test device according to claim 3, characterized in that: The fixing mechanism (4) comprises: A connecting tube (41), the connecting tube (41) is fixedly inserted and connected to the outer wall of the second rod body (2), a docking ring (42) is fixedly connected to the side of the connecting tube (41), and the connecting tube (41) is used to support the installation position of the second claw body (37); The second ear pieces (43) are arranged in a ring array, the second ear pieces (43) are fixedly connected to the outer wall of the connecting tube (41), the second claw body (37) is located inside the second ear pieces (43), and the second ear pieces (43) are used to install the second claw body (37).

7. A flap control system asymmetric fault test device according to claim 6, characterized in that: A third through hole is provided on the outside of the second ear piece (43), and a third bolt (44) is slidably inserted into the inner cavity of the third through hole. A fourth through hole matching the third bolt (44) is provided on the outside of the second claw body (37), and a third nut (45) is threadedly inserted into the outer wall of the third bolt (44). The third bolt (44) is used as a fulcrum of the second claw body (37) to enable the second claw body (37) to rotate.

8. A flap control system asymmetric fault test device according to claim 1, characterized in that: The top and bottom ends of the first rod body (1) are each provided with a first mounting hole, the side portion of the first rod body (1) is provided with a second mounting hole, the top and bottom ends of the second rod body (2) are each provided with a third mounting hole, and the side portion of the second rod body (2) is provided with a fourth mounting hole.

9. A flap control system asymmetric fault test device according to claim 1, characterized in that: The positioning mechanism (5) comprises a positioning plate (51), wherein the positioning plate (51) is fixedly inserted and connected to the outside of the first rod body (1), and the positioning plate (51) is located on the side of the connecting tube (41). The outside of the positioning plate (51) is provided with positioning grooves (52) in a circular array, and the positioning grooves (52) are used to connect the second claw body (37) with the inside thereof after rotation, so that the torque between the first rod body (1) and the second rod body (2) is transmitted.

10. A method for using a flap control system asymmetric fault test device according to any one of claims 1 to 9, characterized in that: The specific steps include: Step 1: First, the first rod body (1) and the second rod body (2) are used as a torsion bar for simulation, and the fixed sleeve (31) is slid. The fixed sleeve (31) slides outside the second rod body (2), and the fixed sleeve (31) drives the fixed cylinder (32) to slide, and then the fixed cylinder (32) drives the first ear piece (33) to move; Step 2: The first ear piece (33) then drives the first bolt (34) to move, and then the first bolt (34) drives the first claw body (36) to rotate with the first bolt (34) and the second bolt (38) as the fulcrum, and then the first claw body (36) drives the second claw body (37) to rotate with the second bolt (38) and the third bolt (44) as the fulcrum, so that the second claw body (37) rotates until it is disengaged from the inside of the positioning groove on the positioning plate (51); Step 3: At this time, the torque transmission between the first rod body (1) and the second rod body (2) is disconnected, and then an external driving device is used to drive the first rod body (1) and the second rod body (2) to move, so as to perform asymmetric movement of the left and right flaps, thereby simulating a state in which the torsion bar cannot transmit torque.

Images