Enhanced takeoff and landing structure of carrier aircraft
By adopting an adjustable support boom and electric push rod system in the landing structure of the object-carrying aircraft, the problem of insufficient flexibility in the landing structure in the prior art is solved, and the flexible adaptation and vibration reduction effect of objects of different sizes is achieved.
Patent Information
- Application Number
- CN202421230964.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The flexible adjustment ability of the existing loading and landing structure of the object carrier aircraft is relatively simple, and the loading and support work that is suitable for objects of different sizes is relatively limited.
The structure includes two horizontally opposed support booms, electric push rods, telescopic connecting rods, calibration screws and calibration slide tables. Through the expansion and contraction of the electric push rods and the driving of the calibration screws, the height and assembly orientation of the lifting and landing structure are adjusted.
It realizes flexible adaptation to objects of different sizes, improves the adjustment performance of the lifting and landing structure, is suitable for a variety of loading and support operations, and at the same time, the vibration during the lifting and landing of the aircraft is reduced through elastic buffering.
Smart Images

Figure CN222555142U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aircraft, in particular to an enhanced take-off and landing structure of a cargo-carrying aircraft. Background Art
[0002] With the iterative development of UAV technology, the functions that aircraft can perform are increasing. They are no longer limited to daily shooting and inspection tasks, and are easily widely used in agriculture, construction, etc. By utilizing the onboard capacity of a cargo-carrying aircraft, it can be used as a flying platform to carry heavy objects for flight. When using a cargo-carrying aircraft to carry objects, the objects are usually mounted on its landing gear for loading and flying. For example, as shown in a landing gear structure for aircraft powder spraying disclosed in the China Patent Network (Announcement No. CN215043639U), when such a device is assembled and loaded with objects, the landing gear composed of a ladder frame and a supporting beam is used as a loading platform for the spraying equipment. While supporting the spraying equipment for loading, it also serves as a supporting tripod for the aircraft.
[0003] However, there are still some shortcomings in the above-mentioned patents and the aircraft landing gear structures adopted in the existing market: the existing integrated landing gear can only be adapted to the loading and supporting work of a specified object, and its flexible adaptability is relatively single and its usability is relatively limited. Therefore, those skilled in the art provide a cargo-carrying aircraft enhanced landing structure to solve the problems raised in the above-mentioned background technology. Utility Model Content
[0004] The main purpose of the utility model is to provide an enhanced landing structure for a cargo-carrying aircraft, which can effectively solve the problem that the existing landing structure for cargo-carrying flight in the background technology has a relatively simple flexible adjustment capability and is relatively limited in its adaptability to objects.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cargo-carrying aircraft enhanced landing structure, including two sets of horizontally opposite supporting suspension rods;
[0006] Both ends of the support rod of the support boom are equipped with electric push rods, and the telescopic ends of the two sets of electric push rods are fixedly connected to the bottom support rod;
[0007] Both ends of the bottom support rod are equipped with bottom support seats;
[0008] The support rod of the bottom support rod is rotatably connected with a calibration screw rod, and the outer side of the shaft rod of the calibration screw rod is symmetrically sleeved with two sets of calibration slides guided by the bottom support rod, and the upper end of the frame of each set of calibration slides is installed with an assembly base plate.
[0009] As a further solution of the utility model: a telescopic connecting rod is connected between the electric push rod and the bottom support rod, and the telescopic connecting rod includes a first arm force support rod connected to the electric push rod and a second arm force support rod connected to the bottom support rod, and the first arm force support rod and the second arm force support rod are connected to each other.
[0010] As a further solution of the utility model: the alignment screw rod is bounded by a center line, and positive and negative thread teeth that are compatible with two groups of alignment slides are symmetrically arranged on both sides of the center line.
[0011] As a further solution of the utility model: the upper end of the support rod of the bottom support rod is provided with a track groove which is adapted to guide the alignment slide.
[0012] As a further solution of the utility model: the bottom support seat includes a foot support seat, the foot support surface of the foot support seat is an arc-shaped structure, and the foot support surface of the foot support seat is arranged along its circumference with multiple groups of buffer rubber columns, and each group of buffer rubber columns is elastically connected to the foot support seat through a buffer spring.
[0013] As a further solution of the utility model: a top support seat is fixed symmetrically on the outer side of the support rod of the support boom.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The cargo-carrying aircraft landing structure of the utility model can adjust and adapt the height of its overall bracket by utilizing the telescopic brake of the electric push rod. At the same time, by utilizing the calibration screw as the driving source to drive the symmetrical displacement of the assembly base plate, the spacing between its assembly positions can be adjusted and adapted to better adapt to the loading and supporting work of objects of different sizes. It has better flexible adjustment performance, and can support the aircraft while adapting to the loading and supporting work of different objects.
[0016] 2. The midsole support of the utility model has good elastic support performance, and can reduce the mechanical vibration generated during the landing of the aircraft by utilizing the elastic combination of its buffer spring and buffer rubber column. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of an enhanced take-off and landing structure of a cargo-carrying aircraft according to the utility model;
[0018] Figure 2 This is a partial cross-sectional view of a cargo-carrying aircraft enhanced landing structure of the utility model;
[0019] Figure 3 The utility model is a schematic structural diagram of a bottom support seat in a cargo-carrying aircraft enhanced landing structure.
[0020] In the figure: 1. Supporting boom; 2. Top support seat; 3. Electric push rod; 4. Bottom support rod; 5. Bottom support seat; 51. Foot support seat; 52. Buffer spring; 53. Buffer rubber column; 6. Assembly base plate; 7. Telescopic connecting rod; 71. First arm force support rod; 72. Second arm force support rod; 8. Track slide; 9. Calibration screw rod; 10. Calibration slide. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] Please refer to Figure 1-3 As shown, a cargo-carrying aircraft enhanced landing structure includes two sets of horizontally opposed supporting booms 1, and top support seats 2 are symmetrically fixed on the outer sides of the support rods of the supporting booms 1. By utilizing the combination of the supporting booms 1 and the top support seats 2, the bottom support of the landing structure is loaded on the bottom of the cargo-carrying aircraft, which serves as the landing gear of the cargo-carrying aircraft on the one hand, and as a supporting platform for the cargo on the other hand.
[0025] Electric push rods 3 are installed at both ends of the support rod of the supporting boom 1, and a telescopic connecting rod 7 is connected between the electric push rod 3 and the bottom support rod 4. The telescopic connecting rod 7 includes a first arm force support rod 71 connected to the electric push rod 3 and a second arm force support rod 72 connected to the bottom support rod 4, and the first arm force support rod 71 and the second arm force support rod 72 are connected to each other. By controlling the telescopic brake of the telescopic end of the electric push rod 3, under the arm force extension support of the telescopic connecting rod 7, the bottom support rod 4 is pushed to rise and fall, and the space between the bottom support rod 4 and the supporting boom 1 is adjusted and calibrated to better adapt to the loading and supporting work of objects of different sizes.
[0026] The telescopic ends of the two groups of electric push rods 3 are fixedly connected to the bottom support rod 4, and the bottom support rod 4 is rotatably connected with a calibration screw rod 9. The outer side of the shaft of the calibration screw rod 9 is symmetrically sleeved with two groups of calibration slides 10 guided by the bottom support rod 4, and the upper end of the stand of each group of calibration slides 10 is installed with an assembly base plate 6. The calibration screw rod 9 is bounded by the center line, and the two sides of the center line are symmetrically provided with positive and negative threads adapted to the two groups of calibration slides 10. The upper end of the support rod of the bottom support rod 4 is provided with a track groove 8 adapted to the guidance of the calibration slide 10. The hexagonal nut at one end of the shaft of the calibration screw rod 9 is rotated by using a wrench tool to drive the calibration screw rod 9 to rotate, and the positive and negative threads are used to push the adjacent two groups of calibration slides 10 to slide symmetrically along the groove direction of the track groove 8, and the spacing between the two adjacent groups of assembly base plates 6 is adjusted and calibrated to adapt to the loading bottom support work of objects of different styles.
[0027] Bottom support seats 5 are installed at both ends of the support rod of the bottom support rod 4, and the bottom support seats 5 include a foot support seat 51. The foot support surface of the foot support seat 51 is an arc-shaped structure, and the foot support surface of the foot support seat 51 is arranged along its circumference with multiple groups of buffer rubber columns 53, and each group of buffer rubber columns 53 is elastically connected to the foot support seat 51 through a buffer spring 52. By arranging the elastic force combination of the buffer rubber columns 53 and the buffer springs 52 on the foot support surface of the bottom support seat 5, the bottom support seat 5 can have elastic buffering performance, thereby reducing the vibration jitter generated when the aircraft takes off and lands.
[0028] The working principle of the utility model is as follows: in the process of assembling the landing structure and the cargo-carrying aircraft as a whole, based on the combination of the support suspension rod 1 and the top support seat 2, the bottom support of the landing structure is loaded on the bottom of the cargo-carrying aircraft, and then the telescopic end of the electric push rod 3 can be controlled to be telescopically braked according to the size of the cargo, and the bottom support rod 4 is pushed to move up and down under the support of the arm force extension of the telescopic connecting rod 7, and the space between the bottom support rod 4 and the support suspension rod 1 is adjusted and calibrated, so that the cargo can be loaded inside the landing structure, and the wrench tool is used to drive the calibration screw 9 to rotate synchronously, and the positive and negative threads thereof are used to push the corresponding The two adjacent groups of positioning slides 10 slide symmetrically along the groove direction of the track slide groove 8, and the distance between the two adjacent groups of assembly base plates 6 is adjusted and positioned to adapt to the loading bottom support work of objects of different styles, and then the load is installed inside the landing gear. The landing structure is used as a support platform for the load on the one hand, and as a daily landing gear for the load-carrying aircraft on the other hand. After the subsequent use of the load-carrying aircraft is completed, by controlling the telescopic end of the electric push rod 3 to retract, the bottom support rod 4 connected to its other components can be driven to move upward, so as to reduce the overall space size of the landing structure for easy carrying and transportation.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A cargo-carrying aircraft enhanced landing structure, characterized in that: It comprises two sets of horizontally opposed supporting booms (1); Both ends of the support rod of the support boom (1) are equipped with electric push rods (3), and the telescopic ends of the two sets of electric push rods (3) are fixedly connected to the bottom support rod (4); Both ends of the bottom support rod (4) are equipped with bottom support seats (5); The support rod of the bottom support rod (4) is rotatably connected with a positioning screw rod (9), and the outer side of the shaft of the positioning screw rod (9) is symmetrically sleeved with two groups of positioning slides (10) guided by the bottom support rod (4), and the upper end of the frame of each group of positioning slides (10) is installed with an assembly base plate (6).
2. The enhanced landing structure for a cargo-carrying aircraft according to claim 1, characterized in that: A telescopic connecting rod (7) is connected between the electric push rod (3) and the bottom support rod (4), and the telescopic connecting rod (7) comprises a first arm force supporting rod (71) connected to the electric push rod (3) and a second arm force supporting rod (72) connected to the bottom support rod (4), and the first arm force supporting rod (71) and the second arm force supporting rod (72) are connected to each other.
3. The enhanced landing structure for a cargo-carrying aircraft according to claim 1, characterized in that: The alignment screw rod (9) is bounded by a center line, and both sides of the center line are symmetrically provided with positive and negative threads adapted to the two groups of alignment slides (10).
4. The enhanced landing structure for a cargo-carrying aircraft according to claim 1, characterized in that: A track slide groove (8) adapted to guide and match the alignment slide platform (10) is provided at the upper end of the support rod of the bottom support rod (4).
5. The enhanced landing structure for a cargo-carrying aircraft according to claim 1, characterized in that: The bottom support seat (5) comprises a foot support seat (51), the foot support surface of the foot support seat (51) is an arc-shaped structure, and the foot support surface of the foot support seat (51) is provided with a plurality of groups of buffer rubber columns (53) arranged along its circumference, and each group of buffer rubber columns (53) is elastically connected to the foot support seat (51) via a buffer spring (52).
6. The enhanced landing structure for a cargo-carrying aircraft according to claim 1, characterized in that: A top support seat (2) is fixed symmetrically on the outer side of the support rod of the support boom (1).
Citation Information
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