Control surface rigidity test loading device

Abstract

The utility model relates to the technical field of aircrafts, and discloses a control surface rigidity test loading device which comprises a bottom frame, the top of the bottom frame is fixedly connected with an air extracting pump, the two sides of the air extracting pump are provided with air path pipelines, the bottom of the bottom frame is provided with a plurality of rubber suction cups, the rubber suction cups are communicated with the air path pipelines, and the air path pipelines are communicated with the rubber suction cups. And a power supply and a control system are further arranged on the bottom frame, and the power supply and the control system are electrically connected with the sucking pump. Vacuum adsorption of a rubber suction cup is automatically controlled, and the problems that an existing control surface test loading device is poor in adaptability, and different tools need to be replaced for different control surfaces in the test process are solved; and the mechanical work operation is complicated, the requirement is high, and the aerodynamic shape surface is easy to damage.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aircraft technology, concretely is a rudder surface rigidity test loading device. BACKGROUND

[0002] In recent years, with the rapid development of cities and the rapid increase of the number of people in big cities, the existing manned vehicles cannot meet the needs of people today. In daily life, short-distance transportation or passenger transport often adopts the form of ground transportation, such as buses, cars, trucks, etc. These transportation methods are often limited by ground roads and often appear vehicle congestion; in the aspect of aircraft, manned aircraft is suitable for short-distance transportation, and will be used and developed a lot in the present and future.

[0003] During the use of the aircraft, different wing rudders are tested according to the use scene, so that the rigidity can meet the flight requirements. However, the existing rudder test loading device has poor adaptability, and different tooling needs to be replaced during the test process; moreover, the mechanical operation is complex, high requirements are required, and the aerodynamic shape surface is easily damaged.

[0004] Therefore, we propose a rudder surface rigidity test loading device to solve the above problems. INVENTION CONTENTS

[0005] (I) Technical problems solved

[0006] In view of the shortcomings of the prior art, the utility model provides a rudder surface rigidity test loading device, which can automatically control the vacuum adsorption of the rubber suction cup by setting the rubber suction cup, the air pump, the electromagnetic valve and the control system, solves the problems of the existing rudder test loading device, such as poor adaptability, the need to replace different tooling during the test process, complex mechanical operation, high requirements, and easy damage to the aerodynamic shape surface.

[0007] (II) Technical scheme

[0008] In order to achieve the above purpose of improving the adaptability of the rudder test loading device, the utility model provides the following technical scheme: a rudder surface rigidity test loading device, comprising a chassis, the chassis is quadrilateral, the top of the chassis is fixedly connected with an air pump, the two sides of the air pump are provided with air path pipelines, the bottom of the chassis is provided with a plurality of rubber suction cups, the rubber suction cups are four, which are distributed in the four corners of the chassis, a plurality of rubber suction cups are communicated with the air path pipelines to form a vacuum adsorption area, the chassis is further provided with a power supply and a control system, and the power supply and the control system are electrically connected with the air pump.

[0009] As a further description of the utility model: the air path pipeline is provided with an electromagnetic valve, and the electromagnetic valve is used for controlling the opening and closing of the air path pipeline.

[0010] As a further illustration of the present application: the air filter is arranged on the air path pipeline, and the air filter is used for filtering the gas entering the vacuum adsorption area, and affecting the adsorption effect.

[0011] As a further illustration of the present application: the control system comprises a display module, and the display module is used for displaying the vacuum adsorption area and the electromagnetic valve and the air pump information.

[0012] As a further illustration of the present application: the mounting device is arranged on the chassis, and the mounting device is used for fixing on the rudder surface, and the load can be fixed on the rudder surface through the mounting device.

[0013] As a further illustration of the present application: the mounting device is connected with the chassis through a ball hinge structure, so that the load force line is kept vertical downward through the loading point on the rudder surface.

[0014] As a further illustration of the present application: the mounting device is connected with the chassis through a ball hinge structure, so that the load force line is kept vertical downward through the loading point on the rudder surface.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the present application provides a rudder surface stiffness test loading device, which has the following beneficial effects:

[0017] The present application provides a rudder surface stiffness test loading device, which can automatically control the vacuum adsorption of the rubber suction cup by setting the rubber suction cup, the air pump, the electromagnetic valve and the control system, solves the problem of poor adaptability of the existing rudder surface test loading device, and the need to replace different tooling during the test process for different control surfaces; and the mechanical operation is complex, high requirement, and easy to damage the aerodynamic surface. It is suitable for different materials, different shapes of rudder surface, easy to operate, accurate positioning of loading point, and will not damage the rudder surface during the test process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a front structure schematic view of the present application;

[0019] Fig. 2 It is a bottom structure schematic view of the present application.

[0020] In the figure: 1, vacuum adsorption area; 2, rubber suction cup; 3, display module; 4, power supply; 5, control system; 6, air pump; 7, electromagnetic valve; 8, mounting device; 9, air filter; 10, air path pipeline; 11, chassis. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] Please refer to Figs. 1-2 A rudder surface stiffness test loading device, including the chassis 11, the chassis 11 is quadrilateral, the top of the chassis 11 is fixedly connected with the air pump 6, the both sides of the air pump 6 are provided with the gas path pipeline 10, the bottom of the chassis 11 is provided with a plurality of rubber suction cups 2, the rubber suction cup 2 has four, respectively distributes in the four corners of the chassis 11, a plurality of the rubber suction cup 2 with the gas path pipeline 10 is communicated, forms the vacuum adsorption area 1, the chassis 11 still is provided with power 4 and control system 5, the power 4 and control system 5 with the air pump 6 electrically connected.

[0023] As a further description of the present application: the gas path pipeline 10 is equipped with the electromagnetic valve 7, the electromagnetic valve 7 is used to control the opening and closing of the gas path pipeline 10, the gas path pipeline 10 still is provided with air filter 9, the air filter 9 is used to filter the gas entering the vacuum adsorption area 1, influences adsorption effect, the control system 5 includes display module 3, the display module 3 is used to display vacuum adsorption area 1 and electromagnetic valve 7, air pump 9 information.

[0024] The chassis 11 still is provided with the mounting device 8, the mounting device 8 is used for the fixed on the rudder surface, load can be fixed on the rudder surface through the mounting device 8, the mounting device 8 is connected with the chassis 2 through the ball hinge structure, guarantees the load force action line to keep vertical downward through the loading point on the rudder surface, the chassis 2 still is provided with identification point, guarantees the accuracy of loading point through the alignment of the identifier on the rudder surface.

[0025] Working principle: the rubber suction cup 2 is placed steadily on the rudder surface (such as aileron) to be measured, the marks on both sides of the base frame 11 are aligned, the air suction pump 6 is operated by control, the air suction pump 6 discharges the air in the vacuum adsorption area 1 through the air path pipeline 10, so that the vacuum adsorption area 1 forms a negative pressure state, the rubber suction cup 2 is firmly adsorbed on the surface of the rudder, when the negative pressure reaches the set value, the control system 5 controls the electromagnetic valve 7 to close the air path pipeline 10, so that the negative pressure in the vacuum adsorption area 1 can be kept stable after the air suction pump 6 is closed, and the suction force is provided continuously. When the test is completed, the control system 5 controls the electromagnetic valve 7 to open, so that the vacuum adsorption area 1 is connected with the outside atmosphere through the air path pipeline 10, the external gas enters the vacuum adsorption area 1, so that the negative pressure is destroyed, and the rubber suction cup 2 is separated from the rudder. In the working process, the control system 5 can detect the air pressure in the vacuum adsorption area 1, when the air pressure is less than the set value, the air suction pump 6 automatically starts to run, the negative pressure is increased, when the requirement is met, the air suction pump 6 stops running, so that the test process is stable and does not fall off, and artificial continuous operation is not needed. The load can be fixed on the rudder surface through the mounting device 8, which is a spherical hinge structure, so as to ensure that the load force line remains vertical and downward through the loading point on the rudder surface.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A loading device for testing the rigidity of a control surface, comprising a chassis (11), characterized in that: The top of the chassis (11) is fixedly connected with an air pump (6), both sides of the air pump (6) are provided with air path pipelines (10), the bottom of the chassis (11) is provided with a plurality of rubber suction cups (2), the plurality of rubber suction cups (2) are communicated with the air path pipelines (10) to form a vacuum adsorption area (1), the air path pipelines (10) are provided with electromagnetic valves (7), the electromagnetic valves (7) are used for controlling the opening and closing of the air path pipelines (10), the chassis (11) is further provided with a power supply (4) and a control system (5), the power supply (4) and the control system (5) are electrically connected with the air pump (6), the control system (5) comprises a display module (3), and the display module (3) is used for displaying information of the vacuum adsorption area (1), the electromagnetic valves (7) and the air pump (6).

2. The loading device for testing the rigidity of a control surface according to claim 1, wherein: The air path pipelines (10) are further provided with air filters (9), and the air filters (9) are used for filtering the gas entering the vacuum adsorption area (1).

3. The loading device of claim 1, wherein: The chassis (11) is further provided with a mounting device (8), and the mounting device (8) is used for fixing on a rudder surface.

4. The loading device of claim 3, wherein: The mounting device (8) is connected with the chassis (11) through a ball hinge structure.

5. The loading device of claim 1, wherein: The chassis (11) is further provided with an identification point.

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