KR102474464B1 - Trolley for avionic external store equipment - Google Patents

Abstract

The present invention provides a trolley for mounting exterior equipment for an aircraft, which enables fine adjustment of the pitch and yaw directions of exterior equipment, in addition to a function for mounting and moving the exterior equipment for mounting on an aircraft and a function for positioning the same in up, down, left, and right directions, so that correct adjustment is performed even in the pitch and yaw directions of the exterior equipment according to the tire condition, ground condition, or loading conditions of the aircraft, thereby further increasing convenience and workability when mounting the exterior equipment. The trolley comprises: a base unit having a base frame with a plurality of wheels; a loading unit having a loading frame on which exterior equipment for an aircraft is placed; a left and right moving unit for moving the loading unit in left and right directions with respect to the pitch direction of the exterior equipment; a vertically moving unit for vertically moving the loading unit and the left and right moving unit with respect to the base frame; a tilting unit for adjusting the tilting angle of the loading unit and the left and right moving unit in the pitch direction of the exterior equipment with respect to the vertically moving unit; and a pair of support blocks arranged in the loading frame of the loading unit in the pitch direction of the exterior equipment to support the outer peripheral surfaces of the exterior equipment from the below.

Description

Trolley device for aircraft external equipment mounting {Trolley for avionic external store equipment}

The present invention relates to a trolley device for mounting external aircraft equipment, and more particularly, to a trolley device capable of complexly performing position movement, vertical and horizontal adjustment, and tilt functions while the aircraft external equipment is mounted.

In general, pods, which are various independent operating electronic equipment, are mounted on the exterior of an aircraft such as a fighter jet. The pod is a cylindrical electronic device, and its weight is approximately 200 to 300 kg, and the diameter is 20 to 30 cm and the length is 200 to 300 cm.

The installation of aircraft exterior equipment (pods) is the most basic and important factor in aircraft maintenance and operation. Mounting in the correct location, stable installation and maintenance are fundamental requirements for all exterior equipment, and installation time is required. Incorrect installation can have a significant impact on aircraft safety.

For this reason, in order to stably mount the exterior equipment of the aircraft in an accurate location, a separate trolley device that can accurately and safely move and adjust the position of the exterior equipment to the installation location of the aircraft is required. Since the posture and height of the aircraft body change greatly according to the change in these conditions, a trolley device capable of being quickly and safely installed is required.

As a conventionally known trolley device, for example, 'a trolley for attaching and detaching optical equipment for aviation' of Korean Patent Registration No. 10-2182535 (hereinafter, referred to as 'prior art') is known.

The prior art trolley device includes a base unit including wheels, a mounting unit provided on the base unit to fix optical equipment attached to and detached from the aircraft, a forward and backward movement unit for moving the mounting unit in the forward and backward directions, and a forward and backward movement unit. A left and right movement unit for moving left and right, a vertical movement unit for vertically moving the mounting unit, a forward and backward movement unit, and a left and right movement unit are provided.

However, the conventional trolley device described above has a function of adjusting the pitch direction inclination considering the change in inclination in the longitudinal direction (pitch direction) of the exterior equipment according to the condition of the aircraft's tires, ground conditions or loading conditions, and the circumference of the exterior equipment There was no yaw direction control function considering the yaw direction error, so it was difficult to install the external equipment accurately.

The present invention is to solve the above conventional problems, the purpose of which is to mount and move the external equipment for mounting on the aircraft, and in addition to the vertical and horizontal position control function, the pitch direction and yaw of the external equipment ( By enabling fine adjustment of the yaw) direction, accurate adjustment is made to the pitch and yaw directions of the exterior equipment according to the condition of the aircraft's tires, ground conditions or loading conditions, thereby increasing convenience and workability when installing the exterior equipment. It is to provide a trolley device for mounting an improved aircraft exterior equipment.

In order to achieve the above object, the present invention includes a base unit having a base frame on which a plurality of wheels are installed; a loading unit disposed on the base frame of the base unit and having a mounting frame on which exterior equipment of the aircraft is placed; a left and right moving unit having a left and right moving frame disposed between the base frame of the base unit and the mounting frame of the loading unit and moving the loading unit in a left and right direction with respect to a pitch direction of external equipment; a vertical movement unit having a vertical movement frame disposed between the base frame of the base unit and the left and right movement frame of the left and right movement unit and vertically moving the loading unit and the left and right movement unit with respect to the base frame; a tilt unit installed between the left and right movement frame of the left and right movement unit and the vertical movement frame of the vertical movement unit and adjusting an inclination angle of the loading unit and the left and right movement unit in the pitch direction of the external equipment with respect to the vertical movement frame; and a pair of support blocks arranged in the mounting frame of the mounting unit in the pitch direction of the exterior equipment and supporting the outer circumferential surface of the exterior equipment from the lower portion.

In addition, in the present invention, the tilt unit includes a horizontal screw shaft disposed in the pitch direction of the exterior equipment and freely installed in the vertical movement frame; A driven bevel gear fixed to the horizontal screw shaft and rotating together with the horizontal screw shaft; a driven bevel gear engaged with the driven bevel gear; a gearbox installed on the vertical moving frame to accommodate the driven bevel gear and the driven bevel gear therein, and to support rotation of the driven bevel gear; a tilt adjustment handle for rotating the driven bevel gear outside the gearbox; First and second movable members disposed on both sides of the horizontal screw shaft around the driven bevel gear and movable in opposite axial directions by screwing with the horizontal screw shaft; a first link connected between the left and right moving frame and a first moving member; and a second link connected between the left and right moving frame and the second moving member, wherein the first link and the second link are installed inclined at a predetermined angle so as to be symmetrical about the driven level gear. has a characteristic in

In the present invention, the tilt unit further includes a damper installed between the left and right movement frame and the vertical movement frame to perform a buffer function when adjusting the inclination angle of the left and right movement frame. It has a characteristic.

Also, in the present invention, the support block is characterized in that the trolley device for mounting aircraft exterior equipment is installed to be rotatable at a predetermined angle around a vertical axis on the mounting frame.

In addition, in the present invention, a fixing mechanism is provided between the supporting block and the mounting frame to fix the supporting block to a predetermined position with respect to the mounting frame, and the fixing mechanism has a fitting hole that matches each other in the mounting frame and the supporting block It is characterized by a trolley device for mounting aircraft exterior equipment configured in a structure in which each is formed and a fixing pin is inserted into the fitting hole.

In addition, in the present invention, a plurality of elastic members are installed between the supporting block and the yaw block to elastically compress or restore the supporting block when moving in the left and right directions.

According to the trolley device for aircraft exterior equipment mounting of the present invention having the above characteristic configuration, when the exterior equipment is mounted on the aircraft, the inclination angle of the exterior equipment in the pitch direction can be finely adjusted, and a pair of supporting blocks on which the exterior equipment is placed By enabling fine adjustment of the yaw direction, there is an effect of more accurate positioning of the exterior equipment according to changes in tire conditions, ground conditions, or loading conditions, in addition to position adjustment by vertical and horizontal movement of the exterior equipment. .

In addition, the trolley device of the present invention can be moved quickly and accurately when mounting aircraft exterior equipment, and can be installed and tested using a moving device and a towing device when moving long distances, thereby reducing jig manufacturing costs and management costs. In addition, safety and convenience can be provided during the mounting work of the external device.

1 is a perspective view showing a trolley device for mounting aircraft exterior equipment according to the present invention.
Figure 2 is a perspective view showing a base unit in the trolley device of the present invention.
Figure 3 is a perspective view showing a loading unit and a left and right moving unit in the trolley device of the present invention.
Figure 4 is a plan view of Figure 3;
Figures 5a and 5b is a side view showing the operating state of the vertical movement unit in the trolley device of the present invention.
Figure 6 is a perspective view showing a tilt unit in the trolley device of the present invention.
7 is a cross-sectional view showing a main part of the tilt unit in FIG. 6;
8a and 8b are operating state diagrams of the tilt unit shown in FIG. 6;
9 is a rear perspective view showing a damper installation state of the tilt unit in FIG. 6;
Figure 10 is a perspective view showing the installation state of the support block on which the exterior equipment is placed in the present invention.
Figure 11 is a longitudinal sectional view showing the installation state of the supporting block in Figure 10;
Figure 12 is a cross-sectional view of the main part showing the installation state of the elastic member in Figure 10;

Hereinafter, preferred embodiments of the present invention will be described in detail based on the accompanying drawings.

1 is a perspective view showing a trolley device according to the present invention. As shown, the trolley device of the present invention includes a base unit 10, a loading unit 20, a left and right movement unit 30, and a vertical movement unit 40. , It is configured to include a tilt unit 50 and a supporting block 60.

The base unit 10 is configured to move the trolley device, and as shown in FIG. 2, it has a base frame 13 equipped with a plurality of wheels 11 and a handle 12 for manual movement, The base frame 13 includes a steering mechanism 14 for driving, a brake mechanism 15 and a traction mechanism 16.

Since the base frame 13 moves and mounts heavy equipment, it must have solid structural strength, and the wheels 11 can be configured with solid rubber wheels and bearings for 20 km/h traction movement.

By adding an auxiliary wheel (17) to the traction mechanism (16), it can be easily used even during manual movement, and a brake mechanism is also added to the wheel (11) on the rear side so that the trolley device does not move during equipment installation or exterior equipment installation and adjustment. can do.

As shown in FIGS. 1 and 3, the loading unit 20 is disposed above the base frame 13 of the base unit 10 and has a loading frame 21 on which the exterior equipment W of the aircraft is placed, The left and right moving unit 30 is disposed between the base frame 13 of the base unit 10 and the mounting frame 21 of the mounting unit 20 .

In addition, as shown in FIGS. 3 and 4, the left and right movement unit 30 has a left and right movement frame 31 disposed below the loading unit 20, and the loading unit 20 is set to the length of the external equipment W. It functions to move in the left and right directions with respect to the pitch direction, which is the direction.

To this end, rails 32 are installed on both sides of the left and right moving frames 31 in the left and right directions, and the mounting frame 21 is provided with moving blocks 22 respectively guided by the rails 32 . In addition, the left and right moving frame 31 has a screw rod 33 disposed in the left and right directions and is freely installed, and the mounting frame 21 is provided with a screw coupling part 23 screwed to the screw rod 33, A left and right adjustment handle 34 is provided at one end of the threading bar 33. Therefore, according to the rotation of the screw rod 33 by the operation of the left and right adjustment handle 34, the mounting frame 21 is guided by the rail 32 and the moving block 22 in the left and right direction with respect to the left and right moving frame 31 can be moved to

At this time, it is preferable to form a scale 35 on the left and right moving frame 31 so that the degree of movement of the mounting unit 20 in the left and right directions can be checked with the naked eye.

The vertical movement unit 40 is disposed between the base frame 13 of the base unit 10 and the left and right movement frame 31 of the left and right movement unit 30, as shown in FIGS. 1, 5A and 5B. As such, it functions to move the mounting unit 20 and the left and right moving unit 30 in the vertical direction with respect to the base frame 13 .

To this end, the vertical movement unit 40 has a vertical movement frame 41 located below the left and right movement frame 31, and is provided between the vertical movement frame 41 and the base frame 13 of the base unit 10. A pair of link bars 42 are connected in an X shape so that the vertical movement frame 41 can move up and down with respect to the base frame 13, and the vertical movement is installed on the base frame 13 and the cylinder rod 43a ) is made by an electric cylinder mechanism 43 connected to one side of a pair of link bars 42.

As shown in FIGS. 6, 7, 8A and 8B, the tilt unit 50 moves the mounting unit 20 and the left and right movement unit ( 30) to adjust the inclination angle.

To this end, the tilt unit 50 is disposed in the pitch direction of the exterior equipment W placed on the mounting unit 20 and is provided with a horizontal screw shaft 51 freely installed in the vertical moving frame 41, A driven bevel gear 52 is fixed at an approximately intermediate position of the screw shaft 51 and is installed to rotate together with the horizontal screw shaft 51.

The driven bevel gear 52 is engaged with the driven bevel gear 53, the driven bevel gear 53 is rotationally supported by the gear box 54, and the gear box 54 is installed on the vertical moving frame 41 The driven bevel gear 52 and the driven bevel gear 53 are accommodated therein.

In addition, a tilt adjustment handle 55 for rotating the driven bevel gear 53 inside the gearbox 54 outside the gearbox 54 is installed in connection with the driven bevel gear 53, and the driven bevel gear 52 First and second movable members 56a and 56b are disposed on both sides of the horizontal screw shaft 51 as a center and screwed with the horizontal screw shaft 51, and the first and second movable members 56a and 56b Thread directions of the horizontal screw shafts 51 to which are respectively screwed are formed opposite to each other, so that when the horizontal screw shaft 51 rotates, the first and second moving members 56a and 56b move in opposite directions.

First and second links 57a and 57b are connected between the left and right moving frame 31 and the first and second moving members 56a and 56b, and the first link 57a and the second link 57b is installed inclined at a predetermined angle so as to be mutually symmetric about the driven bevel gear 52 and the gearbox 54.

Therefore, by rotating the tilt adjustment handle 55, the left and right movement frame 31 relative to the vertical movement frame 41 can be adjusted at a predetermined angle in the pitch direction of the exterior equipment W.

In addition, as shown in FIG. 9, the tilt unit 50 is installed between the left and right moving frame 31 and the vertical moving frame 41 to perform a buffer function when adjusting the inclination angle of the left and right moving frame 31. (58a, 58b) are installed, and the dampers (58a, 58b) are installed on the wide side of the first and second links (57a, 57b).

As shown in FIG. 10, two supporting blocks 60 are installed on the mounting frame 21 of the mounting unit 20, and are disposed in the pitch direction of the exterior equipment W, and the upper surface of the supporting block 60 (60a) is formed in a corresponding circular arc shape so that the cylindrical outer circumferential surface of the exterior equipment can be supported from the bottom.

As shown in FIGS. 10 to 12, the supporting block 60 is installed to be rotatable at a predetermined angle around the vertical axis on the mounting frame 21, and the yaw block 61 installed below the supporting block 60 ) is rotatably installed around the vertical axis 62, and between the supporting block 60 and the mounting frame 21, a fixing mechanism for fixing the supporting block 60 with respect to the mounting frame 21 at a predetermined position ( 63) is provided.

The fixing mechanism 63 forms fitting holes 64a and 64b corresponding to each other in the mounting frame 21 and the support block 60, respectively, and fixing pins 64c are inserted into the fitting holes 64a and 64b. It can be configured as an embedded structure.

In addition, as shown in FIG. 12, a plurality of elastic members 65 are installed between the yaw block 61 and the mounting frame 21. The elastic member 65 is preferably a compression coil spring, and is configured to elastically compress or restore between the yaw block 61 and the mounting frame 21 when the support block 60 moves in the left and right directions.

The trolley device for aircraft exterior equipment mounting of the present invention having such a configuration can mount the exterior equipment W on the loading unit 20 and move it to the mounting position of the aircraft, as shown in FIG. (W) can be moved up and down, left and right, as well as fine adjustment of the angle of inclination in the pitch direction and the yaw direction of the supporting block 60, so that accurate and safe mounting work can be performed.

That is, in the trolley device of the present invention, as shown in FIG. 2, the exterior equipment W is manually mounted on the aircraft using the wheels 11 and the handle 12 provided on the base frame 13 of the base unit 10. It is possible to move to the lower position, and it is possible to move long distances easily using another vehicle by using the steering mechanism 14 and the traction mechanism 16.

In addition, the traction mechanism 16 can be separated from the base frame 13 or folded, and in this case, when not in use, the traction mechanism 16 can be separated or stored standing upright, and safe parking by the brake mechanism 15 function can be performed.

After moving the external equipment (W) to the lower part of the mounting position of the aircraft, as shown in Figs. The unit 20, the left and right movement unit 30, and the tilt unit 50 can be moved up and down with respect to the base frame 13 to move the exterior equipment W to the mounting height of the aircraft.

At this time, since the motorized cylinder mechanism 43 can control the operating speed, it is moved in a high-speed mode until it approaches the mounting height when moving in the vertical direction to significantly reduce the working time, and moves in a low-speed mode near the mounting height to reduce the cost of work. It is desirable to increase the stability of the fundus and the precision of adjustment.

3 and 4, when the left and right adjustment handle 34 of the left and right movement unit 30 is operated, the movement block 22 Since ) moves along the rail 32, the mounting position of the external equipment W can be accurately adjusted by moving the mounting unit 20 in the left and right direction with respect to the left and right moving frame 31.

Subsequently, the present invention rotates the tilt adjustment handle 55 of the tilt unit 50 as shown in FIGS. 7, 8A and 8B to move the exterior equipment W in the pitch direction (longitudinal direction) at a predetermined tilt angle. can be fine-tuned.

That is, when the driven bevel gear 53 rotates due to the rotation of the tilt adjustment handle 55, the driven bevel gear 52 rotates and the horizontal screw shaft 51 rotates, so that the first and second moving members 56a and 56b rotate. Since moves in opposite directions to each other, the left and right movement frame 31 can be finely adjusted at a predetermined angle in the pitch direction by the first and second links 57a and 57b.

At this time, shaking may occur during fine adjustment due to the large weight and inertia of the exterior equipment, but as shown in FIG. 9, the pitch is It is possible to secure stability when installing external equipment by eliminating directional shaking.

Since this tilt function is always operated differently in the pitch direction according to the loading conditions and tire conditions of the aircraft, it is usefully used to match the tilt angle of the aircraft tilt state and the pitch direction of the mounted exterior equipment (W).

In addition, if the yaw direction angle does not match when the exterior equipment W is mounted, the entire trolley device must be moved and re-aligned, which is difficult to accurately adjust due to the structure or weight of the steering device. In this case, as shown in FIGS. 10 to 12, the present invention removes the fixing pin 64c of the fixing mechanism 63 from the fitting holes 64a and 64b, and then grabs the handle of the support block 60 and centers the vertical axis When rotating the support block 60 by, it can be corrected by manually adjusting the support block 60 for the yaw direction error of the exterior equipment (W). This yaw direction adjustment is performed in a state in which a preload is applied by four elastic members 65 elastically installed between the yaw block 61 and the mounting frame 21.

As described above, the present invention can mount the exterior equipment (W) for mounting on the aircraft on the loading unit 20, move it to the lower mounting position of the aircraft, and raise it to the mounting position with the vertical movement unit 40, and then left and right. Through fine adjustment of the angle of inclination in the pitch direction by the moving unit 30 and the tilt unit 50 and the yaw direction of the support block 60, the exterior equipment W according to the tire condition, ground condition or loading condition of the aircraft As the pitch and yaw direction are also accurately adjusted, it is possible to conveniently and safely perform the installation of the external equipment (W).

As described above, the optimal embodiment has been disclosed in the drawings and specifications. Although specific terms have been used herein, they are only used for the purpose of describing the present invention and are not used to limit the scope of the present invention described in the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10: base unit 13: base frame
20: loading unit 21: loading frame
30: left and right movement unit 31: left and right movement frame
40: Shanghai copper unit 41: Shanghai copper frame
50: tilt unit 51: horizontal screw axis
52: driven bevel gear 53: driven bevel gear
54: gearbox 55: tilt adjustment handle
56a, 56b: first and second moving members 57a, 57b: first and second links
58a, 58b: damper 60: support block
61: yaw block 62: vertical axis
63: fixing mechanism 64: elastic member
W: Exterior equipment

Claims (6)

A base unit having a base frame on which a plurality of wheels are installed;
a loading unit disposed on the base frame of the base unit and having a mounting frame on which exterior equipment of the aircraft is placed;
a left and right moving unit having a left and right moving frame disposed between the base frame of the base unit and the mounting frame of the loading unit and moving the loading unit in a left and right direction with respect to a pitch direction of external equipment;
a vertical movement unit having a vertical movement frame disposed between the base frame of the base unit and the left and right movement frame of the left and right movement unit and vertically moving the loading unit and the left and right movement unit with respect to the base frame;
a tilt unit installed between the left and right movement frame of the left and right movement unit and the vertical movement frame of the vertical movement unit and adjusting an inclination angle of the loading unit and the left and right movement unit in the pitch direction of the external equipment with respect to the vertical movement frame; and
A pair of support blocks disposed in the mounting frame of the mounting unit in the pitch direction of the exterior equipment to support and support the outer circumferential surface of the exterior equipment from the lower portion,
The tilt unit,
a horizontal screw shaft disposed in the pitch direction of the exterior equipment and freely installed in the vertical movement frame;
A driven bevel gear fixed to the horizontal screw shaft and rotating together with the horizontal screw shaft;
a driven bevel gear engaged with the driven bevel gear;
a gearbox installed on the vertical moving frame to accommodate the driven bevel gear and the driven bevel gear therein, and to support rotation of the driven bevel gear;
a tilt adjustment handle for rotating the driven bevel gear outside the gearbox;
First and second movable members disposed on both sides of the horizontal screw shaft around the driven bevel gear and movable in opposite axial directions by screwing with the horizontal screw shaft;
a first link connected between the left and right moving frame and a first moving member; and
A second link connected between the left and right moving frame and the second moving member,
The first link and the second link are trolley devices for mounting aircraft exterior equipment, characterized in that installed inclined at a predetermined angle so as to be symmetrical to each other around the driven level gear. delete The method of claim 1, wherein the tilt unit,
The trolley device for mounting the exterior equipment of the aircraft, characterized in that it further comprises a damper installed between the left and right moving frame and the vertical moving frame to perform a buffer function when adjusting the inclination angle of the left and right moving frame. The method of claim 1, wherein the supporting block,
Aircraft exterior equipment mounting trolley device, characterized in that installed rotatably at a predetermined angle around the vertical axis to the yaw block provided in the mounting frame. The method of claim 4, wherein a fixing mechanism is provided between the supporting block and the mounting frame to fix the supporting block to a predetermined position with respect to the mounting frame,
The trolley device for mounting aircraft exterior equipment, characterized in that the fixing mechanism has a structure in which fitting holes are formed to match each other in the mounting frame and the support block, and a fixing pin is inserted into the fitting holes. [Claim 5] The trolley device according to claim 4, wherein a plurality of elastic members are installed between the supporting block and the yaw block to elastically compress or restore the supporting block when moving in the left and right directions.

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