Reverse filling device for four headers
By using a fully manual four-compartment reverse loading device, which utilizes components such as push rods, transmission gears, and reducers, the safety hazards and complexity of existing aircraft loading devices have been solved, enabling a fast, safe, and low-cost aircraft loading and unloading process.
Patent Information
- Application Number
- CN202511818446.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-04
- Publication Date
- 2026-02-27
AI Technical Summary
Existing aircraft loading devices have safety hazards, complex structures, poor versatility, high manufacturing costs, and complicated operations, making it difficult to meet the requirements of rapid response and high-speed maneuverability.
The fully manual four-unit reverse loading device includes an aircraft support frame, a box support frame, and a pushing device. It uses components such as push rods, transmission gears, and reducers to achieve rapid and safe loading and unloading of the aircraft. The aircraft's degrees of freedom and attitude can be adjusted through the frame structure and support trolley.
It achieves a simple, safe, reliable, fast and efficient aircraft loading and unloading process, applicable to the sequential loading and unloading of four-unit containers, reducing manufacturing costs and improving operational convenience and safety.
Smart Images

Figure CN121573200A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of aircraft loading technology. BACKGROUND
[0002] The function of the storage and transport box is to provide a good storage and transport environment for the aircraft, and the aircraft loading refers to the process of loading the aircraft into the storage and transport box before the aircraft is launched, so the aircraft loading is a necessary step in the process of launching the aircraft. The loading device is a special equipment for loading the aircraft into the storage and transport box, which is used for in-box and out-of-box operation of the aircraft, and is an important equipment for in-box operation after the aircraft assembly test is completed and out-of-box operation when the aircraft needs to be debugged. In order to adapt to the requirements of future aircraft rapid response and high-speed maneuvering, the loading device must be convenient, safe and reliable, and fast in loading speed.
[0003] At present, the loading device has the following disadvantages: 1. Electric loading exists certain safety hazards; 2. The structure is complex, the universality is poor, and the manufacturing cost is high; 3. The single storage and transport box loads the aircraft and then assembles into a jointed box body, and the operation is complex. SUMMARY
[0004] In order to solve the above technical problems, the present application provides a reverse loading device for four jointed boxes, which comprises an aircraft support frame, the rear end of the aircraft support frame is connected with a box support frame for placing four jointed boxes, a push loading device for executing loading action is installed at the rear end position of the box support frame, the push loading device executes loading through a push rod installed at the top, and a push-pull hook is installed at the front end of the push rod.
[0005] The front end of the push rod is connected with an extension rod through a quick pull pin, the push-pull hook is installed at the front end of the extension rod, and a plurality of supporting wheels are installed on the extension rod.
[0006] The top of the push loading device has a transmission gear, the push rod has a transmission rack, the transmission gear and the transmission rack are engaged and driven, and the transmission gear is driven by a speed reducer installed in the middle of the push loading device.
[0007] The push loading device is composed of a bracket and a push rod, the speed reducer is installed and fixed on the push loading support in the middle of the bracket, and the bracket bottom has a sliding plate for slidingly installing on the box support frame.
[0008] The box support frame is composed of a box frame, a plurality of slide rails are fixed transversely at the rear end position of the box frame for installing the push loading device, a plurality of groups of leveling legs are installed across the box frame, and a knuckle bolt is arranged at the front end of the box frame for connecting the aircraft support frame.
[0009] The aircraft support frame is composed of a frame, longitudinal guide rails are respectively installed on both sides of the frame, multiple groups of leveling legs are installed across the frame, multiple groups of transverse guide rails are also installed across the frame, rollers are symmetrically installed at both ends of the transverse guide rails, and a connecting pin shaft is arranged at the rear end of the frame for butt joint with the box support frame.
[0010] The aircraft support frame is provided with a support trolley which can move along the longitudinal direction.
[0011] The support trolley is composed of a bottom support, a middle support and a top frame which are butt-jointed and fixed, and a bracket is installed on the top frame through vertical adjusting devices, rolling adjusting devices and transverse adjusting devices.
[0012] The bottom support and the middle support are installed through a bolt, and the middle support and the top frame are installed through a bolt; the bottom support and the top frame are both provided with reversing rollers.
[0013] The leveling leg is provided with a positioning pin shaft for positioning and a spin lock for locking.
[0014] Compared with the prior art, the frame structure has the characteristics of simple structure and low manufacturing cost; the support trolley and / or the pushing device can be moved and the height can be changed according to the filling needs, which meets the needs of filling the four boxes in sequence, has the characteristics of convenient operation, fast and efficient; full manual operation is adopted, which is safe and reliable compared with electric operation; especially suitable for filling the aircraft into the four box bodies in sequence, and the aircraft can also be sequentially withdrawn from the four boxes, the three degrees of freedom of the aircraft can be adjusted during the filling process, so that the aircraft can smoothly enter the box body, and has the characteristics of simple structure, convenient operation, safety and reliability.
[0015] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the specific embodiments of the present application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS
[0016] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings, which do not constitute a limitation on the embodiments, and elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.
[0017] Figure 1 is a structural schematic diagram of at least one embodiment of the present application; Figure 2 is a top view of Figure 1 ; Figure 3 isFigure 1 A schematic diagram of the structure of the aircraft support frame; Figure 4 yes Figure 1 A schematic diagram of the structure of the supporting trolley; Figure 5 yes Figure 1 Schematic diagram of the middle box support frame; Figure 6 yes Figure 1 A schematic diagram of the structure of the push-mount device.
[0018] In the diagram: 1-Aircraft support frame, 2-Support trolley, 3-Box support frame, 4-Push-mounting device, 5-Leveling outrigger, 6-Roller, 7-Longitudinal guide rail, 8-Frame, 9-Transverse guide rail, 10-Connecting pin, 11-Bottom bracket, 12-Middle bracket, 13-Top frame, 14-Vertical adjustment device, 15-Pin, 16-Bracket, 17-Roll-on adjustment device, 18-Transverse adjustment device, 19-Reversing roller, 20-Hinged bolt, 21-Box frame, 22-Positioning pin, 23-Turret lock, 24-Slide rail, 25-Slide plate, 26-Bracket, 27-Push-mounting support, 28-Reducer, 29-Transmission gear, 30-Transmission rack, 31-Push rod, 32-Quick-pull pin, 33-Support wheel, 34-Extension rod, 35-Push-pull hook. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the embodiments of this invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details are presented in the embodiments of this invention to facilitate a better understanding of this application. However, the technical solutions claimed in this application can be implemented even without these technical details and various variations and modifications based on the following embodiments. The division of the following embodiments is for ease of description and should not constitute any limitation on the specific implementation of this invention. The embodiments can be combined with and referenced by each other without contradiction.
[0020] Example 1 like Figures 1-6 The reverse filling device for a four-unit container shown includes an aircraft support frame 1. The rear end of the aircraft support frame 1 is connected to a container support frame 3 for placing the four-unit container. A push-loading device 4 for performing the filling action is installed at the rear end of the container support frame 3. The push-loading device 4 performs the filling through a push rod 31 installed at the top. A push-pull hook 35 is installed at the front end of the push rod 31.
[0021] Example 2 Based on Embodiment 1, the front end of the push rod 31 is connected to the extension rod 34 via a quick-release pin 32, the push-pull hook 35 is installed at the front end of the extension rod 34, and the extension rod 34 is equipped with multiple support wheels 33.
[0022] Further, the pusher 4 has a transmission gear 29 at the top, and the push rod 31 has a transmission rack 30, the transmission gear 29 and the transmission rack 30 are in meshing transmission, and the transmission gear 29 is driven by the speed reducer 28 installed in the middle of the pusher 4.
[0023] Further, the pusher 4 is composed of a bracket 26 and a push rod 31, the bracket 26 has a speed reducer 28 installed and fixed in the middle through a pusher support 27, and the bracket 26 has a sliding plate 25 at the bottom for sliding installation on the box support frame 3.
[0024] Further, the box support frame 3 is composed of a box frame 21, and the box frame 21 has a plurality of slide rails 24 fixed transversely at the rear end position for installing the pusher 4, and the box frame 21 has a plurality of sets of leveling legs 5 installed across, and the box frame 21 has a hinge bolt 20 at the front end for docking the aircraft support frame 1.
[0025] Further, the leveling leg 5 has a positioning pin shaft 22 for positioning and a spin lock 23 for locking.
[0026] Example 3 Based on Example 1, the aircraft support frame 1 is composed of a frame 8, and the frame 8 has a longitudinal guide rail 7 installed on each side, and the frame 8 has a plurality of sets of leveling legs 5 installed across, and the frame 8 also has a plurality of sets of transverse guide rails 9 installed across, and the transverse guide rails 9 have symmetrical rollers 6 installed at both ends, and the frame 8 has a connecting pin shaft 10 at the rear end for docking the box support frame 3.
[0027] Further, the aircraft support frame 1 is installed with a support trolley 2 that can move along the longitudinal direction.
[0028] Further, the support trolley 2 is composed of a bottom bracket 11, a middle bracket 12, and a top frame 13 for docking and fixing, and the top frame 13 has a bracket 16 installed through vertical adjustment device 14, roll adjustment device 17, and horizontal adjustment device 18.
[0029] Further, the bottom bracket 11 and the middle bracket 12 are installed through the latch 15, and the middle bracket 12 and the top frame 13 are installed through the latch 15; the bottom bracket 11 and the top frame 13 both have reversing rollers 19 installed at the bottom.
[0030] Example 4 Based on the above embodiment, the two sides of the frame 8 are provided with leveling legs 5 and rollers 6, the front end is provided with two connecting pin shafts 10, the upper side is provided with two sets of transverse guide rails 9 and two sets of longitudinal guide rails 7, the middle longitudinal guide rail 7 is provided with an opening in the transverse position for supporting the transverse movement of the trolley 2. The bottom support 11 is provided with reversing rollers 19 below and a middle support 12 above, which are connected by a plug pin 15. The middle support 12 is provided with a top frame 13 above, which are connected by a plug pin 15. The top frame 13 is provided with reversing rollers 19 below and vertical adjusting devices 14, rolling adjusting devices 17 and transverse adjusting devices 18 above, and a bracket 16 is installed on the top. The side plates of the bracket 16 can be flipped down. The box frame 21 is provided with leveling legs 5 and rollers 6 on both sides, articulated bolts 20 at the front end, two positioning pin shafts 22 and four rotary locks 23 in the middle, a set of slide rails 24 at the tail for the horizontal sliding of the push loading device 4. The slide plate 25 is provided with a support 26 above, which are connected by a plug pin 15. The support 26 is provided with a push loading support 27 above, which are connected by a plug pin 15. The push loading support 27 is provided with a speed reducer 28 on the side, the output end of the speed reducer 28 is provided with a transmission gear 29, and the push rod 31 is installed in the guide groove above the push loading support 27. The side of the push rod 31 is provided with a transmission rack 30, which is connected to an extension rod 34 through a quick pull plug pin 32 in front. The extension rod 34 is provided with a supporting wheel 33 below and a push-pull hook 35 at the front end, and the extension rod 34 is connected by a quick pull plug pin 32.
[0031] Working principle: Before the aircraft is filled, first place the box support frame 3 on the horizontal ground, lock its roller 6, then push the aircraft support frame 1 through the connecting pin shaft 10 to interface with the box support frame 3, and connect and fix it with the articulated bolt 20, adjust the leveling support leg 5 to adjust the frame 8 and the box frame 21 to the horizontal state. Move the support trolley 2 to the initial position of the same column longitudinal guide rail 7 and lock it, hoist the aircraft to the bracket 16 of the support trolley 2, hoist the four-unit box to the box support frame 3, position it through the positioning pin shaft 22, and fix it with the spin lock 23. Move the push loading device 4 to the filling position and fix it, connect the extension rod 34 through the quick pull pin 32, then pass it through the inside of the box, support the support wheel 33 of the extension rod 34 on the bottom surface of the box, and connect the tail of the aircraft with the push-pull hook 35. Unlock the support trolley 2, drive the speed reducer 28, drive through the transmission gear 29 and the transmission rack 30, and move the push rod 31 to the rear, so as to realize the pulling of the aircraft into the inside of the box. During the filling process, the three-degree-of-freedom attitude of the aircraft can be adjusted through the vertical adjustment device 14, the rolling adjustment device 17 and the transverse adjustment device 18, so that the aircraft can smoothly enter the inside of the box. When the rear support point of the aircraft enters the box, the side plate of the bracket 16 is turned down by 90 degrees, the reversing roller 19 is turned down by 90 degrees, the support trolley 2 is pushed to move to another column longitudinal guide rail 7 through the transverse guide rail 9, so as to leave a moving channel for another support trolley 2. When the moving stroke of the push rod 31 is used up, the middle extension rod 34 can be disconnected and then reconnected. When filling the adjacent box, move the support trolley 2 and the push loading device 4 to the corresponding box position. When filling the lower layer box, disassemble the bottom support 11 and the middle support 12 of the support trolley 2, and disassemble the support 26 of the push loading device 4, so as to reduce the filling height. The process of the aircraft exiting the box is the reverse process of the above filling.
[0032] Those skilled in the art can understand that various changes can be made to the above embodiments in form and detail in actual application without departing from the spirit and scope of the present application.
Claims
1. A reverse filling device for a four-unit container, characterized in that: The aircraft support frame (1) is connected to a box support frame (3) for placing four boxes at its rear end. A push-loading device (4) for performing a loading action is installed at the rear end of the box support frame (3). The push-loading device (4) performs loading through a push rod (31) installed at the top. A push-pull hook (35) is installed at the front end of the push rod (31).
2. The reverse filling device for a four-compartment container as described in claim 1, characterized in that: The front end of the push rod (31) is connected to the extension rod (34) via a quick-release pin (32), and the push-pull hook (35) is installed at the front end of the extension rod (34). The extension rod (34) is equipped with multiple support wheels (33).
3. The reverse filling device for a four-unit container as described in claim 1, characterized in that: The pusher (4) has a transmission gear (29) on top and a transmission rack (30) on the push rod (31). The transmission gear (29) and the transmission rack (30) mesh and drive each other. The transmission gear (29) is driven by a reducer (28) installed in the middle of the pusher (4).
4. The reverse filling device for a four-unit container as described in claim 3, characterized in that: The push-mounting device (4) consists of a bracket (26) and a push rod (31). The reducer (28) is fixed in the middle of the bracket (26) through the push-mounting support (27). The bottom of the bracket (26) has a sliding plate (25) for sliding installation on the box support frame (3).
5. The reverse filling device for a four-unit container as described in claim 1, characterized in that: The box support frame (3) is composed of a box frame (21). Multiple slide rails (24) are horizontally fixed at the rear end of the box frame (21) for installing the push-mounting device (4). Multiple sets of leveling legs (5) are horizontally installed on the box frame (21). The front end of the box frame (21) has hinge bolts (20) for docking with the aircraft support frame (1).
6. The reverse filling device for a four-compartment container as described in claim 1, characterized in that: The aircraft support frame (1) is composed of a frame (8). Longitudinal guide rails (7) are installed on both sides of the frame (8). Multiple sets of leveling legs (5) are installed across the frame (8). Multiple sets of transverse guide rails (9) are also installed across the frame (8). Rollers (6) are symmetrically installed at both ends of the transverse guide rails (9). A connecting pin (10) is located at the rear end of the frame (8) for docking with the box support frame (3).
7. The reverse filling device for a four-compartment container as described in claim 1 or 6, characterized in that: The aircraft support frame (1) is equipped with a support trolley (2) that can move longitudinally.
8. The reverse filling device for a four-compartment container as described in claim 7, characterized in that: The support trolley (2) is composed of a bottom bracket (11), a middle bracket (12), and a top frame (13) connected and fixed together. The top frame (13) is equipped with a bracket (16) through a vertical adjustment device (14), a roll-on adjustment device (17), and a lateral adjustment device (18).
9. The reverse filling device for a four-unit container as described in claim 8, characterized in that: The bottom bracket (11) and the middle bracket (12) are connected by a pin (15), and the middle bracket (12) and the top frame (13) are connected by a pin (15); both the bottom bracket (11) and the top frame (13) are equipped with reversing rollers (19).
10. The reverse filling device for a four-compartment container as described in claim 5 or 6, characterized in that: The leveling support leg (5) has a positioning pin (22) for positioning and a rotary lock (23) for locking.