Fixture applied to position end point switch of aircraft landing gear

Abstract

The utility model discloses a clamp applied to an aircraft landing gear position end point switch, which is characterized by comprising an arch-shaped frame, the arch-shaped frame comprises an arch back, a first end rod and a second end rod, and the first end rod and the second end rod are fixedly connected to two ends of one side of the arch back. During use, the first end rod and the second end rod are located on the side, away from a terminal switch, of the undercarriage and the side provided with the terminal switch respectively. The pressing block is arranged on one side, close to the end point switch, of the second end rod and can be tightly pressed on the end point switch; the moving rod is in threaded connection with the first end rod, and the moving rod can be close to and away from the pressing block by rotating on the first end rod; through the arrangement of the moving rod and the pressing block, when the terminal switch needs to be pressed, the moving rod and the pressing block are moved to the two sides of the undercarriage, through rotation of the moving rod, the moving rod and the pressing block are pressed on the two sides of the undercarriage respectively, the pressing block is controlled to be pressed on the terminal switch, the terminal switch does not need to be pressed manually all the time, and manpower input is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft maintenance, and more particularly to a clamp used for an end point switch of an aircraft landing gear. Background Art

[0002] The radar on the aircraft is interconnected with the end point switch on the aircraft landing gear. Under normal use of the aircraft, only when the landing gear is in the retracted state, the end point switch is compressed, the landing gear retraction indicator light is turned on, and the system determines the aircraft's position in the air. Only in this state can the radar turn on radiation.

[0003] When turning on the radar radiation for inspection on the ground, field radar maintenance personnel need to manually compress the end switch of the landing gear so that the system can determine that the aircraft is in the air, so that the radar can turn on the radiation. Manually compressing the end switch by maintenance personnel requires the personnel to always press the end switch, which wastes manpower. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the utility model is to provide a clamp for the end switch of the aircraft landing gear position. Through the arrangement of a moving rod and a pressing block, when it is necessary to press the end switch, the moving rod and the pressing block are moved to both sides of the landing gear. By rotating the moving rod, the moving rod and the pressing block are respectively pressed on both sides of the landing gear and the pressing block is controlled to be pressed on the end switch. There is no need to manually press the end switch all the time, which saves manpower.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a fixture for positioning an end switch on an aircraft landing gear, comprising a bow-shaped frame, the bow-shaped frame comprising a bow back and a first end rod and a second end rod fixedly connected to two ends of one side of the bow back, wherein when in use, the first end rod and the second end rod are respectively located on a side of the landing gear away from the end switch and on a side where the end switch is set;

[0006] A pressing block, the pressing block is arranged on a side of the second end rod close to the end switch and can be pressed against the end switch;

[0007] and a moving rod, wherein the moving rod is threadedly connected to the first end rod and the moving rod can be moved closer to and away from the pressing block by rotating on the first end rod.

[0008] The utility model is further configured as follows: a groove matching the end point switch is provided on one side of the pressing block close to the end point switch.

[0009] The utility model is further configured as follows: a plurality of pressing blocks are provided, each pressing block corresponds to a model of end switch, the pressing block is detachably connected to the second end rod, and the groove on the pressing block matches the end of the end switch of the corresponding model of the pressing block.

[0010] The utility model is further configured as follows: a connecting hole is provided on one side of the second end rod close to the pressing block, and an end of the pressing block close to the second end rod is fixedly connected to a connecting rod threadedly matched with the connecting hole.

[0011] The utility model is further configured as follows: a fixed sleeve is fixedly connected to the first end rod, and the movable rod passes through the fixed sleeve and is threadedly engaged with the fixed sleeve.

[0012] The utility model is further configured as follows: an end of the moving rod close to the pressing block is fixedly connected to an elastic pad.

[0013] The utility model is further configured as follows: an end of the moving rod away from the pressure rod is provided with a shift rod which penetrates the moving rod in a direction perpendicular to the moving rod.

[0014] In summary, the utility model has the following beneficial effects compared with the prior art: the utility model, through the arrangement of the movable rod and the pressing block, moves the movable rod and the pressing block to both sides of the landing gear when it is necessary to press the end switch. By rotating the movable rod, the movable rod and the pressing block are respectively pressed on both sides of the landing gear and the pressing block is controlled to be pressed on the end switch. There is no need to manually press the end switch all the time, which saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the embodiment;

[0016] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0017] Figure 3 is a cross-sectional view of the overall structure of the embodiment;

[0018] Figure 4 for Figure 3 An enlarged schematic diagram of part B.

[0019] In the figure: 1, bow frame; 11, bow back; 12, first end rod; 121, fixed sleeve; 13, second end rod; 131, connecting hole; 2, pressure block; 21, groove; 22, connecting rod; 3, moving rod; 31, elastic pad; 32, shift rod. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following is a clear and complete description of the technical solution of the present invention in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application. In addition, the directional terms mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional terms used are used to illustrate rather than limit the invention.

[0021] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0022] Example: A fixture for an aircraft landing gear position end switch, see attached Figure 1 -Attached Figure 4 , including a bow frame 1, a pressure block 2 and a moving rod 3, the bow frame 1 includes a bow back 11 and a first end rod 12 and a second end rod 13 fixedly connected to the two ends of one side of the bow back 11. When in use, the first end rod 12 and the second end rod 13 are respectively located on the side of the landing gear away from the end switch and the side where the end switch is set; the pressure block 2 is set on the side of the second end rod 13 close to the end switch and can be pressed tightly on the end switch; the moving rod 3 is threadedly connected to the first end rod 12, and the moving rod 3 can approach and move away from the pressure block 2 by rotating on the first end rod 12.

[0023] When in use, the bow frame 1 is moved to the landing gear, so that the pressure block 2 is located on the side of the landing gear where the end switch is set, and the moving rod 3 is located on the side of the landing gear away from the end switch. Then the moving rod 3 is rotated so that one end of the moving rod 3 gradually approaches the landing gear and is pressed on the landing gear. After the moving rod 3 is pressed on the landing gear, the moving rod 3 is continued to be rotated so that the moving rod 3 can drive the pressure block 2 to move toward the end switch through the bow frame 1 until the pressure block 2 presses the end switch. At this time, the moving rod 3 is pressed on the side of the landing gear away from the end switch, and the pressure block 2 is pressed on the end switch, thereby ensuring that the pressure block 2 can keep pressing the end switch after the operator lets go, and the operator does not need to press the end switch, thereby reducing manpower input.

[0024] Specifically, a groove 21 that matches the end point switch is provided on one side of the pressing block 2 near the end point switch. The provision of the groove 21 prevents the end point switch and the pressing block 2 from separating from each other when the pressing block 2 presses the end point switch.

[0025] Specifically, a plurality of pressure blocks 2 are provided, each corresponding to a specific type of end switch. The pressure blocks 2 are detachably connected to the second end rod 13, and the grooves 21 on the pressure blocks 2 mate with the ends of the corresponding end switches. Different pressure blocks 2 are provided to correspond to different types and specifications of end switches, so that the fixture can function with end switches of different specifications.

[0026] Specifically, a connecting hole 131 is provided on one side of the second end rod 13 close to the pressing block 2 , and a connecting rod 22 threadedly engaged with the connecting hole 131 is fixedly connected to one end of the pressing block 2 close to the second end rod 13 .

[0027] Specifically, a fixed sleeve 121 is fixedly connected to the first end rod 12 , and the moving rod 3 passes through the fixed sleeve 121 and is threadedly engaged with the fixed sleeve 121 .

[0028] Specifically, an elastic pad 31 is fixedly connected to the end of the moving rod 3 near the pressure block 2. The elastic pad 31 can prevent the pressure block 2 and the moving rod 3 from exerting excessive pressure and damaging the end switch, and can also prevent the moving rod 3 from hard contact with the landing gear and causing damage to the landing gear.

[0029] Specifically, one end of the moving rod 3 away from the pressure rod is provided with a shifting rod 32 which penetrates the moving rod 3 in a direction perpendicular to the moving rod 3. By providing the shifting rod 32, the operator can more conveniently rotate the moving rod 3 when operating.

[0030] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A fixture for an aircraft landing gear position end switch, characterized by: The invention comprises a bow frame (1), wherein the bow frame (1) comprises a bow back (11) and a first end rod (12) and a second end rod (13) fixedly connected to two ends of one side of the bow back (11); when in use, the first end rod (12) and the second end rod (13) are respectively located on the side of the landing gear away from the end switch and the side where the end switch is set; A pressing block (2), the pressing block (2) being arranged on a side of the second end rod (13) close to the end switch and capable of pressing against the end switch; and a moving rod (3), wherein the moving rod (3) is threadedly connected to the first end rod (12), and the moving rod (3) can move closer to and farther from the pressing block (2) by rotating on the first end rod (12).

2. The fixture for an aircraft landing gear position end switch according to claim 1, characterized in that: The pressing block (2) is provided with a groove (21) on one side close to the end switch, which is matched with the end switch.

3. The fixture for an aircraft landing gear position end switch according to claim 2, characterized in that: There are a plurality of pressing blocks (2), each of which corresponds to a type of terminal switch. The pressing block (2) is detachably connected to the second end rod (13), and the groove (21) on the pressing block (2) matches the end of the terminal switch of the corresponding type of the pressing block (2).

4. The fixture for an aircraft landing gear position end switch according to claim 3, characterized in that: A connecting hole (131) is provided on one side of the second end rod (13) close to the pressing block (2), and a connecting rod (22) threadedly engaged with the connecting hole (131) is fixedly connected to one end of the pressing block (2) close to the second end rod (13).

5. The fixture for an aircraft landing gear position end switch according to claim 1, characterized in that: A fixed sleeve (121) is fixedly connected to the first end rod (12), and the moving rod (3) passes through the fixed sleeve (121) and is threadedly engaged with the fixed sleeve (121).

6. The fixture for an aircraft landing gear position end switch according to claim 5, characterized in that: An elastic pad (31) is fixedly connected to one end of the moving rod (3) close to the pressing block (2).

7. The fixture for an aircraft landing gear position end switch according to claim 6, characterized in that: An end of the moving rod (3) away from the pressure rod is provided with a shifting rod (32) which penetrates the moving rod (3) in a direction perpendicular to the moving rod (3).

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