Control surface angle calibration tool

Abstract

The utility model provides a control surface angle calibration tool, which relates to the technical field of aviation application, and comprises a first clamping plate and a second clamping plate, and the middle part of the first clamping plate is rotatably connected with the middle part of the second clamping plate; the angle adjusting mechanism is connected with the first clamping plate and the second clamping plate, and the distance between one end of the first clamping plate and one end of the second clamping plate can be increased or decreased when the angle adjusting mechanism is used for adjusting, so that the first clamping plate and the second clamping plate can be clamped on different thicknesses of control surfaces to be subjected to angle calibration; the electronic angle ruler is connected to the first clamping plate or the second clamping plate; when the first clamping plate and the second clamping plate are clamped on the control surface, the electronic bevel protractor is started, the electronic bevel protractor displays the real-time angle of the control surface angle, if the deflection angle of the control surface is measured, the angle of the electronic bevel protractor needs to be returned to zero, the control surface moves to drive the electronic bevel protractor to move, and the real-time deflection angle is measured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aviation application technology, more particularly, relate to a rudder angle calibration tool. BACKGROUND

[0002] The rudder angle calibration tool is mainly applied to the field of aircraft general adjustment, and is usually applied to rudder calibration operation in the process of aircraft production debugging.

[0003] Military / civil aircraft such as unmanned aerial vehicles, fighter aircraft, transport aircraft and the like need to use rudders for aircraft lifting and overturning, and the rudder angle plays a key role in the aircraft control system, so the rudder angle needs to be calibrated accurately during debugging; the current rudder angle calibration method needs to be coordinated by multiple people, which is time-consuming and labor-intensive, and because there is no suitable tool, the rudder angle calibration method is not uniform, which further increases the difficulty of rudder angle calibration.

[0004] At present, the general adjustment / maintenance period of aircraft products is short, the workload is large, more manpower is invested, and the experience of the operating personnel is required to be high, therefore, a calibration tool needs to be designed, which saves time, saves manpower, greatly simplifies the process flow and is easy to operate. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the existing technical deficiency, provides a rudder angle calibration tool, solves the problem that the current rudder angle calibration is time-consuming and labor-intensive, and there is no suitable tool, which leads to the non-uniformity of the angle calibration method and further increases the difficulty of the rudder angle calibration.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a rudder angle calibration tool, which comprises:

[0007] The first clamping plate and the second clamping plate are rotationally connected in the middle part of the first clamping plate and the middle part of the second clamping plate;

[0008] The angle adjusting mechanism is connected with the first clamping plate and the second clamping plate, the distance between one end of the first clamping plate and one end of the second clamping plate can be increased or decreased when the angle adjusting mechanism is adjusted, so that the first clamping plate and the second clamping plate can be clamped on the rudder surface with different thicknesses to be angle calibrated;

[0009] The electronic angle gauge is connected to the first clamping plate or the second clamping plate.

[0010] Preferably, the rudder angle calibration tool further comprises a movable clamping plate, the movable clamping plate is rotationally connected with one end of the first clamping plate, and the surface opposite to the second clamping plate is provided with a first clamping surface and a second clamping surface.

[0011] Preferably, the angle adjusting mechanism comprises:

[0012] an adjusting nut connected to the other end of the first clamping plate;

[0013] an adjusting bolt threaded with the adjusting nut, the second clamping plate being provided with a boss on the side close to the first clamping plate, and one end of the adjusting bolt being attached to the boss and the side of the second clamping plate close to the first clamping plate.

[0014] Preferably, the boss and the side of the second clamping plate close to the first clamping plate are provided with a limiting slot, and one end of the adjusting bolt is inserted into the limiting slot.

[0015] Preferably, the rudder angle calibration tool further comprises a support part connected to the side of the second clamping plate away from the first clamping plate, and the electronic angle gauge is connected to the support part.

[0016] Preferably, the first clamping plate and the second clamping plate are both V-shaped.

[0017] Preferably, the other end of the first clamping plate is provided with a mounting hole connected with the adjusting nut, and the adjusting bolt penetrates through the mounting hole.

[0018] Preferably, at least two first hinge blocks are arranged at intervals in the middle of the first clamping plate, and at least two first hinge slots are arranged at intervals in the middle of the second clamping plate, each of the first hinge blocks rotates in one of the first hinge slots, the first hinge blocks and the two sides of the first hinge slots are both provided with first through holes, a screw penetrates through the first through holes, and the screw is threaded with the self-locking nut.

[0019] Preferably, at least two second hinge blocks are arranged at intervals at one end of the first clamping plate, and at least two second hinge slots are arranged at intervals in the middle of the second clamping plate, each of the second hinge blocks rotates in one of the second hinge slots, the second hinge blocks and the two sides of the second hinge slots are both provided with second through holes, and a fixed pin penetrates through the second through holes.

[0020] Preferably, the support part is provided with at least two support holes, a support screw penetrates through the support holes, and the support screw is connected with the threaded hole of the electronic angle gauge.

[0021] The utility model provides a rudder surface angle calibration frock, its beneficial effect lies in: the angle adjusting mechanism of this calibration frock is connected with first clamping plate and second clamping plate, and electronic angle gauge is connected on first clamping plate or second clamping plate, when measuring the rudder surface angle, first clamping plate and second clamping plate are clamped on the rudder surface according to the thickness of the rudder surface adjusting angle adjusting mechanism first, then electronic angle gauge is started, the real-time angle of rudder surface angle is shown by electronic angle gauge at this time, the rudder surface of aircraft is adjusted to mechanical zero, and electronic angle gauge is zeroed, and the deflection angle instruction of rudder surface is sent by controlling aircraft control system, and the rotation of electronic angle gauge is driven by the activity of rudder surface, and the actual deflection angle is measured, and the set deflection angle when the rudder surface is active can be compared at this time, and whether there is deviation is detected.

[0022] The calibration frock is small in size, convenient to assemble and disassemble, and convenient to carry.

[0023] The calibration frock is a manual mechanical operation equipment, does not need power supply, is not limited in working environment, is widely applicable, and therefore has great popularization and promotion value.

[0024] The opening distance between the first clamping plate and the second clamping plate of the calibration frock can be changed according to the thickness of the rudder surface, so that the needs of different products are met, and the application range of the calibration frock is expanded.

[0025] The calibration frock is convenient to operate, has a unified calibration mode, provides convenience for aircraft production work, saves human resources, and improves the production efficiency of the aircraft.

[0026] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above and other objects, features and advantages of the utility model will become more apparent through the following detailed description of exemplary embodiments of the utility model, in which the same reference numerals are generally used to represent the same components throughout the utility model exemplary embodiments.

[0028] Figure 1 A side view structure schematic diagram of a rudder surface angle calibration frock according to one embodiment of the utility model is shown;

[0029] Figure 2 An exploded structure schematic diagram of a rudder surface angle calibration frock according to one embodiment of the utility model is shown.

[0030] Explanation of reference numerals:

[0031] 1, first clamping plate; 2, second clamping plate; 3, adjusting bolt; 4, fixed pin; 5, movable clamping plate; 6, electronic angle gauge; 7, adjusting nut; 8, boss; 9, limiting groove; 10, support part. DETAILED DESCRIPTION

[0032] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application is more thoroughly and completely conveyed to those skilled in the art, and so that the scope of the present application is fully conveyed to those skilled in the art.

[0033] As shown in Figure 1 and Figure 2 The present application provides a rudder angle calibration tool, which comprises:

[0034] A first clamping plate 1 and a second clamping plate 2, the middle part of the first clamping plate 1 is rotationally connected with the middle part of the second clamping plate 2;

[0035] An angle adjusting mechanism, the angle adjusting mechanism is connected with the first clamping plate 1 and the second clamping plate 2, the distance between one end of the first clamping plate 1 and one end of the second clamping plate 2 can be increased or decreased when the angle adjusting mechanism is adjusted, so that the first clamping plate 1 and the second clamping plate 2 can be clamped on rudders with different thicknesses to be angle calibrated;

[0036] An electronic angle gauge 6, the electronic angle gauge 6 is connected to the first clamping plate 1 or the second clamping plate 2.

[0037] Specifically, to solve the problem that the current rudder angle calibration is time-consuming and laborious, and there is no suitable tool, which leads to non-uniform angle calibration methods and further increases the difficulty of rudder angle calibration, the present application provides a rudder angle calibration tool, the model of the electronic angle gauge 6 is DXL360S, the angle adjusting mechanism of the calibration tool is connected with the first clamping plate 1 and the second clamping plate 2, and the electronic angle gauge is connected to the first clamping plate 1 or the second clamping plate 2. When measuring the angle of the rudder, first adjust the angle adjusting mechanism according to the thickness of the rudder, so that the first clamping plate 1 and the second clamping plate 2 are clamped on the rudder. At this time, the electronic angle gauge 6 displays the real-time angle of the rudder angle. Adjust the rudder of the airplane to the mechanical zero position, and then zero the electronic angle gauge 6. Send the rudder deflection angle command through the airplane control system. The rudder moves to drive the electronic angle gauge 6 to rotate, and the actual deflection angle is measured. At this time, it can be compared with the set deflection angle when the rudder is moving to detect whether there is deviation. The calibration tool is small in size, light in quality, simple and fast to operate, saves operation time, unifies the calibration method, provides convenience for airplane production work, saves human resources, and improves the production efficiency of the airplane.

[0038] Preferably, the rudder angle calibration tool further comprises a movable clamping plate 5, the movable clamping plate 5 is rotationally connected with one end of the first clamping plate 1, and the surface opposite to the second clamping plate 2 is provided with a first clamping surface and a second clamping surface.

[0039] Specifically, since the surface of the rudder is arc-shaped or irregular, when the movable clamping plate 5 is clamped on the irregular surface of the rudder, the movable clamping plate 5 can rotate to realize that the first clamping surface is attached to the surface of the rudder, thereby improving the stability of clamping.

[0040] The first clamping surface and the second clamping surface can be designed according to the shape of the rudder, so that the first clamping surface and the second clamping surface are adapted to the surface of the rudder, the first clamping surface and the second clamping surface are embedded with the rudder, the contact area between the first clamping surface and the second clamping surface and the rudder is increased, and the contact between the rudder and the first clamping surface and the second clamping surface is more reliable.

[0041] Preferably, the angle adjusting mechanism comprises:

[0042] An adjusting nut 7 is connected to the other end of the first clamping plate 1;

[0043] An adjusting bolt 3 is threadedly connected to the adjusting nut 7, one side of the second clamping plate 2 close to the first clamping plate 1 is provided with a boss 8, and one end of the adjusting bolt 3 is attached to the boss 8 and the side of the second clamping plate 2 close to the first clamping plate 1.

[0044] Specifically, the adjusting bolt 3 is a hexagonal hand screw, and rotating the adjusting bolt 3 clockwise or counterclockwise drives the other end of the first clamping plate 1 and the other end of the second clamping plate 2 to move towards each other or away from each other, since the middle part of the first clamping plate 1 is rotationally connected to the middle part of the second clamping plate 2, thereby adjusting the distance of the opening between the one end of the first clamping plate 1 and the one end of the second clamping plate 2, that is, adjusting the distance between the first clamping surface and the second clamping surface, so that the first clamping surface and the second clamping surface are firmly attached to the rudder.

[0045] Preferably, the boss 8 and the side of the second clamping plate 2 close to the first clamping plate 1 are provided with a limiting groove 9, and one end of the adjusting bolt 3 is inserted into the limiting groove 9.

[0046] Specifically, the limiting groove 9 extends along the axis of the second clamping plate 2, so that one end of the adjusting bolt 3 moves along the axis of the second clamping plate 2, and the limiting groove 9 is provided with an anti-wear gasket, when the adjusting bolt 3 is rotated clockwise or counterclockwise, due to the rotation between the first clamping plate 1 and the second clamping plate 2, one end of the adjusting bolt 3 can move in the limiting groove 9, which limits one end of the adjusting bolt 3 while avoiding limiting the rotation between the first clamping plate 1 and the second clamping plate 2.

[0047] Preferably, the rudder angle calibration tool further comprises a supporting part 10, the supporting part 10 is connected to the side of the second clamping plate 2 away from the first clamping plate 1, and the electronic angle gauge 6 is connected to the supporting part 10.

[0048] Specifically, the supporting part 10 is used to support the electronic angle gauge 6.

[0049] Preferably, the first clamping plate 1 and the second clamping plate 2 are both V-shaped.

[0050] Specifically, the bending position of the V-shaped first clamping plate 1 is rotationally connected with the bending position of the V-shaped second clamping plate 2.

[0051] Preferably, the other end of the first clamping plate 1 is provided with a mounting hole, the mounting hole is connected with an adjusting nut 7, and the adjusting bolt 3 penetrates through the mounting hole.

[0052] Specifically, the adjusting nut 7 is connected inside the mounting hole.

[0053] Preferably, at least two first hinge blocks are arranged at the middle part of the first clamping plate 1, at least two first hinge grooves are arranged at the middle part of the second clamping plate 2, each first hinge block is rotationally arranged in a first hinge groove, first through holes are arranged on the first hinge block and on both sides of the first hinge groove, a screw penetrates through the first through holes, and the screw is threadedly connected with a self-locking nut.

[0054] Specifically, the rotationally connecting of the first clamping plate 1 and the second clamping plate 2 is realized by the screw.

[0055] Preferably, at least two second hinge blocks are arranged at one end of the first clamping plate 1, and at least two second hinge grooves are arranged at the middle part of the movable clamping plate 5, each second hinge block is rotationally arranged in a second hinge groove, second through holes are arranged on the second hinge block and on both sides of the second hinge groove, and a fixing pin 4 penetrates through the second through holes.

[0056] Specifically, the rotation of the movable clamping plate 5 on one end of the first clamping plate 1 is realized by the fixing pin 4.

[0057] Preferably, the support part 10 is provided with at least two support holes, support screws penetrate through the support holes, and the support screws are connected with the threaded holes of the electronic angle gauge.

[0058] Specifically, the electronic angle gauge 6 can be fixed on the support part of the second clamping plate 2 by the at least two support screws.

[0059] In summary, the rudder angle calibration tool can be used to adjust the distance between the first clamping surface and the second clamping surface by rotating the plum-blossom hand screw clockwise, so that the first clamping surface and the second clamping surface of the rudder angle calibration tool are firmly attached to the rudder surface; at this time, the electronic angle gauge 6 displays the real-time angle of the rudder surface, the rudder surface of the airplane is adjusted to the mechanical zero position, and the electronic angle gauge 6 is reset to zero; the rudder deflection angle command is sent by the airplane control system, the rudder drives the electronic angle gauge 6 to rotate, the actual deflection angle is measured, and the set deflection angle when the rudder is moving can be compared at this time to detect whether there is deviation; if disassembly is required, the electronic angle gauge 6 is first turned off, then the plum-blossom hand screw 3 is rotated counterclockwise to separate the first clamping surface and the second clamping surface from the movable rudder surface, and finally the rudder angle calibration tool is removed.

[0060] The calibration tool has a small volume, is convenient to assemble and disassemble, and is convenient to carry;

[0061] The calibration tool is a manual mechanical operation equipment, does not need power supply, is not limited in working environment, has wide application range, and therefore has great popularization and promotion value.

[0062] The opening distance between the first clamping plate 1 and the second clamping plate 2 of the calibration tool can be changed according to the thickness of the rudder surface, so as to meet the needs of different products, which expands the application range of the calibration tool.

[0063] The calibration tool is convenient to operate, has a unified calibration mode, provides convenience for airplane production work, saves human resources, and improves the production efficiency of the airplane.

[0064] The overall shape size of the calibration tool can be adjusted in design to meet the needs of different products.

[0065] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A tooling for calibrating rudder surface angles, characterized in that, The calibration fixture includes: A first clamping plate and a second clamping plate, wherein the middle part of the first clamping plate and the middle part of the second clamping plate are rotatably connected; An angle adjustment mechanism is connected to the first clamping plate and the second clamping plate. The distance between one end of the first clamping plate and one end of the second clamping plate can be increased or decreased when the angle adjustment mechanism is adjusted, so that the first clamping plate and the second clamping plate can clamp the rudder surface to be calibrated with different thicknesses. An electronic angle gauge, which is connected to the first clamp or the second clamp.

2. The rudder surface angle calibration fixture according to claim 1, characterized in that, The rudder angle calibration fixture also includes a movable clamping plate, which is rotatably connected to one end of the first clamping plate. The movable clamping plate and the second clamping plate have a first clamping surface and a second clamping surface on their opposite sides.

3. The rudder surface angle calibration fixture according to claim 1, characterized in that, The angle adjustment mechanism includes: An adjusting nut, which is connected to the other end of the first clamping plate; An adjusting bolt is threadedly connected to an adjusting nut. A boss is provided on the side of the second clamping plate near the first clamping plate. One end of the adjusting bolt is attached to the boss and the side of the second clamping plate near the first clamping plate.

4. The rudder surface angle calibration fixture according to claim 3, characterized in that, The boss and the second clamping plate are provided with a limiting groove on the side near the first clamping plate, and one end of the adjusting bolt is inserted into the limiting groove.

5. The rudder surface angle calibration fixture according to claim 1, characterized in that, The rudder angle calibration fixture also includes a support part, which is connected to the side of the second clamping plate away from the first clamping plate, and the electronic angle ruler is connected to the support part.

6. The rudder surface angle calibration fixture according to claim 1, characterized in that, Both the first clamping plate and the second clamping plate are V-shaped.

7. The rudder surface angle calibration fixture according to claim 3, characterized in that, The other end of the first clamping plate is provided with a mounting hole, which is connected to the adjusting nut, and the adjusting bolt passes through the mounting hole.

8. The rudder surface angle calibration fixture according to claim 1, characterized in that, The first clamping plate has at least two first hinge blocks spaced apart in the middle, and the second clamping plate has at least two first hinge slots spaced apart in the middle. Each first hinge block rotates within a first hinge slot. The first hinge block and both sides of the first hinge slot are provided with first through holes. A screw passes through the first through hole and is threadedly connected to a self-locking nut.

9. The rudder surface angle calibration fixture according to claim 2, characterized in that, At least two second hinge blocks are provided at one end of the first clamping plate, and at least two second hinge slots are provided at the middle of the movable clamping plate. Each second hinge block rotates in one second hinge slot. Second through holes are provided on the second hinge block and on both sides of the second hinge slot, and a fixing pin passes through the second through hole.

10. A rudder surface angle calibration fixture according to claim 5, characterized in that, The support part is provided with at least two support holes, through which support screws pass, and the support screws are connected to the threaded holes of the electronic angle ruler.

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