Airplane control surface ground loading device

Abstract

The utility model discloses an airplane control surface loading ground device, which comprises a fan-shaped piece, a sliding rail, a clamping block and a threaded rod, a sliding block is arranged on the sliding rail in a sliding way, the sliding block is fixed by a fastener after sliding to a preset position of the sliding rail, an adjusting nut is arranged on the sliding rail, the fan-shaped piece is connected with the sliding rail, and the fan-shaped piece is provided with a mounting part for fixing a steel rope. The clamping block is connected with the lower end of the sliding block through a connecting piece, the clamping block is used for being tightly attached to the rear edge of the control surface, the upper end of the threaded rod penetrates through the sliding rail and then is in threaded connection with the adjusting nut, the lower end of the threaded rod is connected with the supporting block, the supporting block is used for abutting against a control surface beam web, and the height of the supporting block is adjusted according to the boundary dimension of the control surface. And repeated use can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft ground testing, and in particular relates to an aircraft control surface loading ground device. Background Art

[0002] A rudder refers to an aerodynamic wing that generates control force by deflecting in the airflow to control the flight of an aircraft. The rudder loading device is a mechanism that simulates the aerodynamic hinge torque on the ground and applies it to the rudder. The traditional rudder loading device adopts the form of a tape and lever system. The tape is pasted on the rudder according to the distribution, and the lever passes through the tape to transfer the load. The device has the following problems: 1. The positioning requirements of the tape are high, the installation workload is large, and the installation process is complicated; 2. The tape cannot be reused after the test, which causes damage to the rudder structure. Utility Model Content

[0003] The purpose of the utility model is to solve at least one problem of the prior art and to provide an aircraft control surface loading ground device.

[0004] In order to achieve the above-mentioned purpose, the utility model proposes an aircraft control surface loading ground device, comprising:

[0005] A slide rail, wherein a slider is slidably mounted on the slide rail, and the slider is fixed with a fastener after sliding to a predetermined position of the slide rail, and an adjusting nut is mounted on the slide rail;

[0006] A fan-shaped member, wherein the fan-shaped member is connected to the slide rail and is provided with a mounting portion for fixing the steel cable;

[0007] A clamping block, wherein the clamping block is connected to the lower end of the sliding block by a connecting piece, and the clamping block is used to be close to the rear edge of the rudder surface;

[0008] A threaded rod, the upper end of which passes through the slide rail and is threadedly connected to the adjusting nut, and the lower end of the threaded rod is connected to a support block, the support block is used to support the web of the rudder beam, and the height of the support block is adjusted according to the outer dimensions of the rudder.

[0009] Preferably, the support block and the clamping block are both L-shaped blocks, and the openings of the L-shaped blocks are facing opposite directions, and the support block is placed along the web of the rudder beam.

[0010] Preferably, the fastener and the connector are both T-shaped handles, and the T-shaped handle is provided with external threads.

[0011] Preferably, the upper end of the slider is provided with a threaded hole or a fastening nut adapted to the fastener, and the lower end of the slider is provided with a threaded hole or a fastening nut adapted to the connecting piece.

[0012] Preferably, the fastener and the connector are fastening bolts, the upper end of the slider is provided with a threaded hole or a fastening nut adapted to the fastener, and the lower end of the slider is provided with a threaded hole or a fastening nut adapted to the connector.

[0013] Preferably, the card block is a wooden card block.

[0014] Preferably, a flexible pad is provided at the bottom of the support block.

[0015] Preferably, the slider includes a sliding sleeve and a connecting rod, the upper end of the connecting rod is connected to the sliding sleeve, the sliding sleeve is arranged on the outside of the slide rail, the fastener is installed on the sliding sleeve, and the lower end of the connecting rod is threadedly connected to the block with a connecting piece.

[0016] Preferably, a slide groove is provided at the lower end of the slide rail, and the upper end of the slider is slidably installed in the slide groove, and a plurality of fastener installation holes are provided on the side of the slide rail.

[0017] The beneficial effects of the utility model are as follows: the utility model uses the support block and the clamping block to closely adhere to the web and trailing edge of the rudder surface, and adjusts the height position of the support block and the front and rear position of the clamping block by rotating the threaded rod and moving the slider according to the outer dimensions of the rudder surface, so as to better meet the testing requirements of the rudder surface. The overall device has a simple structure, is easy to install, and can be reused.

[0018] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0020] Figure 2 It is a schematic diagram of the use status of an embodiment of the utility model.

[0021] In the figure: 1-fan-shaped part, 2-slide rail, 3-support block, 4-threaded rod, 5-adjusting nut, 6-connecting part, 7-block, 8-sliding block, 9-fastener, 11-steel cable, 12-rudder surface. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described in conjunction with the drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, not all of the embodiments. The components of the embodiment of the present application described and shown in the drawings here can be arranged and designed in various different configurations. In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship usually placed when the application product is used, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] The utility model is described in detail below in conjunction with the accompanying drawings.

[0025] See also Figure 1 and Figure 2 This embodiment provides an aircraft control surface loading ground device, including:

[0026] The slide rail 2 is slidably mounted with a slider 8, which is fixed with a fastener 9 after sliding to a predetermined position of the slide rail 2, and the slide rail 2 is fixedly mounted with an adjusting nut 5;

[0027] A fan-shaped member 1, which is connected to the slide rail 2, and a mounting portion for fixing a steel cable 11 is provided at the end of the arc surface of the fan-shaped member 1;

[0028] A clamping block 7, the clamping block 7 is connected to the lower end of the slider 2 by a connecting piece 6, and the clamping block 7 is used to be close to the rear edge of the rudder surface 12;

[0029] The threaded rod 4 has its upper end threadedly connected to the adjusting nut 5 after passing through the slide rail 2, and its lower end is connected to the supporting block 3, which is used to support the web of the rudder beam. The height of the supporting block 3 is adjusted according to the external dimensions of the rudder surface 12.

[0030] The position of the slider 8 on the slide rail 2 is adjusted according to the outer dimensions of the rudder surface 12 to ensure that the block 7 is just close to the rear edge of the rudder surface 12. At the same time, the lower end of the support block 3 is against the web of the rudder beam. The mounting portion is a steel cable stop block with a slot. One end of the steel cable 11 is set as a closed loop. The closed loop part of the steel cable is fixed in the slot of the steel cable stop block with a fixing pin. A number of steel cable stop columns are provided on the side of the fan-shaped member 1, and the other end of the steel cable is connected to a weight or an actuator for loading.

[0031] As an implementation mode of the embodiment, the support block 3 and the clamping block 7 are both L-shaped blocks, and the openings of the L-shaped blocks face opposite directions, and the support block 3 is placed along the web of the rudder beam.

[0032] As an implementation method of the embodiment, the fastener 9 and the connector 6 are both T-shaped handles, and the T-shaped handles are provided with external threads. The T-shaped handles are convenient for workers to grasp and rotate.

[0033] As an implementation mode of the embodiment, the upper end of the slider 8 is provided with a threaded hole or a fastening nut adapted to the fastener 9 , and the lower end of the slider 8 is provided with a threaded hole or a fastening nut adapted to the connector 6 .

[0034] As an implementation method of the embodiment, the fastener 9 and the connecting member 6 are fastening bolts, the upper end of the slider 8 is provided with a threaded hole or a fastening nut adapted to the fastener 9, and the lower end of the slider 8 is provided with a threaded hole or a fastening nut adapted to the connecting member 6.

[0035] As an implementation of the embodiment, the block 7 is a wooden block.

[0036] As an implementation method of the embodiment, a flexible pad is provided at the bottom of the support block 3, and the flexible pad plays a certain buffering and protective role on the surface of the rudder surface 12.

[0037] As an implementation example, the slider 8 includes a sliding sleeve and a connecting rod, the upper end of the connecting rod is connected to the sliding sleeve, the sliding sleeve is arranged on the outer side of the slide rail 2, the fastener 9 is installed on the sliding sleeve, and the lower end of the connecting rod is threadedly connected to the block 7 with a connecting member 6.

[0038] As an implementation example, a slide groove is provided at the lower end of the slide rail 2, and the cross-section of the slide groove is T-shaped. The upper end of the slider 8 is slidably installed in the slide groove, and a plurality of fastener mounting holes for installing fasteners 9 are provided on the side of the slide rail 2.

[0039] Working process of this utility model:

[0040] During the operation of the aircraft rudder surface loading ground device, during installation, the sector 1 is connected to the steel cable 11, one end of the steel cable 11 is fixedly installed in a slot located at the rim mounting portion of the sector 1, and the other end of the steel cable is connected to a weight or an actuator for loading. The support block 3 is placed along the direction of the web of the rudder surface beam, that is, the opening portion of the support block 3 is oriented in the same direction as the narrowing direction from the web of the rudder surface beam to the rear edge of the rudder surface, and the opening of the clamping block 7 is close to the rear edge of the rudder surface. According to the outer dimensions of the rudder surface, the slider 8 is moved to adjust the position of the clamping block 7 at the front and rear positions of the slide rail, and the threaded rod 4 is rotated to adjust the height of the support block 3.

[0041] During specific use, the threaded rod 4 rotates around the adjusting nut 5 on the slide rail 2, thereby adjusting the height of the threaded rod 4 and the support block 3; the fastener 9 rotates around the threaded hole or fixing nut above the slider 8, and the part of the fastener 9 passing through the slider 8 presses against the slide rail 2 to lock the slider 8; the connecting piece 6 rotates around the threaded hole or fixing nut below the slider 8, thereby adjusting and fixing the installation angle position of the clamping block 7.

[0042] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. An aircraft control surface loading ground device, characterized in that ,include: A slide rail, wherein a slider is slidably mounted on the slide rail, and the slider is fixed with a fastener after sliding to a predetermined position of the slide rail, and an adjusting nut is mounted on the slide rail; A fan-shaped member, wherein the fan-shaped member is connected to the slide rail and is provided with a mounting portion for fixing the steel cable; A clamping block, wherein the clamping block is connected to the lower end of the sliding block by a connecting piece, and the clamping block is used to be close to the rear edge of the rudder surface; A threaded rod, the upper end of which passes through the slide rail and is threadedly connected to the adjusting nut, and the lower end of the threaded rod is connected to a support block, the support block is used to support the web of the rudder beam, and the height of the support block is adjusted according to the outer dimensions of the rudder.

2. The aircraft control surface loading ground device according to claim 1, characterized in that: The support block and the clamping block are both L-shaped blocks, and the openings of the L-shaped blocks face opposite directions. The support block is placed along the web of the rudder beam.

3. The aircraft control surface loading ground device according to claim 1, characterized in that: The fastener and the connector are both T-shaped handles, and the T-shaped handles are provided with external threads.

4. The aircraft control surface loading ground device according to claim 3, characterized in that: The upper end of the slider is provided with a threaded hole or a fastening nut adapted to the fastener, and the lower end of the slider is provided with a threaded hole or a fastening nut adapted to the connecting piece.

5. The aircraft control surface loading ground device according to claim 1, characterized in that: The fastener and the connector are fastening bolts, the upper end of the slider is provided with a threaded hole or a fastening nut adapted to the fastener, and the lower end of the slider is provided with a threaded hole or a fastening nut adapted to the connector.

6. The aircraft control surface loading ground device according to claim 1, characterized in that: The card block is a wooden card block.

7. The aircraft control surface loading ground device according to claim 1, characterized in that: A flexible pad is provided at the bottom of the support block.

8. The aircraft control surface loading ground device according to claim 1, characterized in that: The slider comprises a sliding sleeve and a connecting rod, the upper end of the connecting rod is connected to the sliding sleeve, the sliding sleeve is arranged on the outer side of the slide rail, the fastener is installed on the sliding sleeve, and the lower end of the connecting rod is threadedly connected to the block by a connecting piece.

9. The aircraft control surface loading ground device according to claim 1, characterized in that: The lower end of the slide rail is provided with a slide groove, the upper end of the slide block is slidably installed in the slide groove, and the side of the slide rail is provided with a plurality of fastener installation holes.

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