Guiding rail self-adapting press-fitting equipment for air-drop platform

Abstract

The utility model relates to a kind of for the guiding rail adaptive press fitting equipment of air-drop platform, including fuselage body, the limiting body being set on fuselage body, the compact body is slidably equipped on fuselage body, the distance change between the compact body and limiting body is used to extrude the part between the compact body and limiting body, the compact body is also equipped on fuselage body screw rod drive assembly corresponding to fuselage body sliding;The utility model drives compact body by screw rod transmission, and utilizes limiting body and multidimensional roller guide system cooperation, realizes the quick, accurate, non-destructive press fitting of air-drop box platform and positioning rail, significantly reduces worker labor intensity, effectively guarantees assembly accuracy and product quality.

Description

Technical Field

[0001] This utility model relates to the field of production equipment technology, specifically to an adaptive pressing device for guide rails used in airdrop platforms. Background Technology

[0002] Due to inherent dimensional tolerances in the rotational molding process for manufacturing large airdrop platforms, slight deformations and inconsistencies occur in the mounting reference points on the chassis sides. This manufacturing characteristic presents significant assembly challenges when subsequently extruding and installing the high-precision guide rails onto the chassis sides. Currently, this critical process is generally performed manually.

[0003] The authorization announcement number CN214729683U discloses a reusable airborne platform. According to its specification and drawings, the platform body is rectangular and flat, and profile slide rails are provided on two opposite sides of the platform body.

[0004] However, the solution has certain limitations: 1. When installing the profile slide rails between the platform body and the platform, the operators need to expend a lot of physical strength to repeatedly calibrate, adjust and press the slide rails with special tools to overcome the interference and misalignment caused by tolerances, and ensure that the rails achieve the straightness, flatness and positional accuracy necessary for precise docking with the aircraft cargo hold system; 2. The traditional assembly mode is not only time-consuming and labor-intensive with low production efficiency, but also highly dependent on the skills and experience of the operators, which restricts the production pace and cost control. Summary of the Invention

[0005] This invention addresses the problems encountered during the production and assembly of airdrop platforms by proposing an adaptive pressing device for guide rails on airdrop platforms. The device uses a screw drive to power the pressing body and a limit body in conjunction with a multi-dimensional roller guide system to achieve rapid, precise, and non-destructive pressing of the airdrop platform onto the positioning rail. This significantly reduces the labor intensity of workers and effectively ensures assembly accuracy and product quality.

[0006] The objective of this invention is achieved through the following technical solution: an adaptive pressing device for a guide rail of an airdrop platform, comprising a fuselage body, a limiting body disposed on the fuselage body, a pressing body slidably disposed on the fuselage body, the distance change between the pressing body and the limiting body being used to press the parts between the pressing body and the limiting body, and a screw transmission assembly for driving the pressing body to slide, which is equivalent to the fuselage body sliding, is also provided on the fuselage body.

[0007] Preferably, the main body of the device is provided with a plurality of limiting protrusions. The limiting body includes a first rectangular body and columnar handles disposed on both sides of the first rectangular body. The width of the first rectangular body is adapted to the gap distance between adjacent limiting protrusions.

[0008] Preferably, a plurality of guide support plates are arranged side by side on the surface of the main body, each guide support plate being arranged perpendicularly to the side wall of the first rectangular main body; a roller support plate is arranged side by side on the surface of each guide support plate, and a first roller is provided between every two adjacent roller support plates.

[0009] Preferably, the surface of the fuselage body is further provided with several roller support frames, each of which has a second roller rotatably mounted inside, the axis of each second roller being perpendicular to the axis of the first roller, and the top surface of each second roller being parallel to the surface of the fuselage body.

[0010] Preferably, the surface of the main body is further provided with a number of guide rail bodies arranged in parallel, each guide rail body is provided with a slider body that can slide on it, each guide rail body is arranged in parallel with the guide support plate, and the bottom of the pressing body is mounted on the surface of the number of slider bodies. When the clamping body pushes the workpiece, it generates an overturning moment; the multiple guide rails and slider bodies arranged in parallel can effectively resist this moment, preventing the clamping body from jamming, tilting, or shaking during movement, and ensuring that the thrust is always transmitted in the correct direction.

[0011] Preferably, the cross-sectional shape of the roller support frame is U-shaped, and the spacing between every two opposing second rollers is adapted to the width of the positioning rail and the airdrop platform after installation. The U-shaped structure and precise spacing design ensure that the airdrop platform and the positioning rail are clamped between the two rows of second rollers during the assembly process. This provides the necessary guiding constraints without losing the guiding function due to excessive gaps or getting stuck due to interference.

[0012] Preferably, the lead screw drive assembly includes a drive support plate, a first shaft support block, a second shaft support block, a motor mounting plate, a drive motor, a lead screw, and a lead screw nut. The surface of the machine body is also provided with a drive support plate and a second shaft support block. The drive support plate is provided with a motor mounting plate and a first shaft support block. The motor mounting plate is provided with a drive motor. A lead screw is provided inside between the first shaft support block and the second shaft support block. The drive motor is connected to the end of the lead screw through a coupling. A lead screw nut is connected to the surface of the lead screw. The top of the lead screw nut is connected to the middle of the bottom of the pressing body. This screw drive system features high transmission accuracy and precise control over displacement and speed; this makes the pressing body's propulsion process extremely smooth and controllable, avoiding the impact and speed unevenness that may occur with hydraulic or pneumatic drives, and ensuring the pressing quality.

[0013] Preferably, the main body is composed of several metal profiles fixedly connected to each other, and the first roller and the second roller are made of plastic. This is because plastic has a certain elasticity and cushioning properties, which can absorb minor impacts and vibrations during the pressing process and effectively prevent scratches during rolling support and guidance.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. At the bottom, parallel guide support plates and their first rollers provide support for the airdrop platform, transforming sliding friction into rolling friction and significantly reducing propulsion resistance. Laterally, roller support frames and paired second rollers constrain both sides of the positioning rail, with their spacing precisely matching the total width after assembly, effectively preventing deviation and torsion during press-fitting. The synergistic effect of bottom rolling support and lateral rolling anti-deviation decomposes and guides the complex installation forces, ensuring the straightness and accuracy of the travel path. Simultaneously, the plastic material used for the first and second rollers allows their slight deformation to adaptively absorb assembly stress caused by workpiece tolerances, protecting the workpiece surface and ensuring precise and smooth rail assembly through guidance rather than forced insertion. 2. The pressing body is driven by a screw drive assembly consisting of a drive motor, a lead screw, and a lead screw nut, and is guided by the guide rail body and the slider body with high stability. This transforms the traditional manual impact pressing into a smooth, uniform, and controllable mechanical linear propulsion. The inherent high precision and self-locking characteristics of the screw drive ensure uniform pressing force and completely avoid installation quality differences caused by human fluctuations. 3. The engagement of the limiting boss on the main body and the detachable limiting body provides a rigid end stop for the entire pressing stroke. The width of the first rectangular body precisely matches the gap between adjacent limiting bosses, ensuring the uniqueness and repeatability of the installation position. Its height is greater than that of the airdrop platform and positioning rail, ensuring it always acts as a reliable mechanical stop. At the end of the pressing process, the enormous compressive force generated by the airdrop platform and positioning rail is directly and effectively transmitted and distributed to the limiting bosses and the robust main body frame through the limiting body, forming a stable and reliable force transmission path. This avoids installation depth errors caused by deformation or displacement of the end stop, which is crucial for ensuring the consistency of mass-produced products. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a perspective view of the present utility model; Figure 3 This is a partial perspective view of the present invention; Figure 4 This is a schematic diagram showing the usage state of this utility model.

[0016] The markings in the diagram are as follows: 1. Main body; 11. Limiting boss; 2. Limiting body; 21. First rectangular body; 22. Columnar handle; 3. Pressing body; 4. Screw drive assembly; 41. Drive support plate; 42. Second rotating shaft support block; 43. Motor mounting plate; 44. First rotating shaft support block; 45. Drive motor; 46. Transmission screw; 47. Screw nut; 5. Guide support plate; 51. Roller support plate; 52. First roller; 6. Roller support frame; 61. Second roller; 7. Guide rail body; 71. Slider body; 8. Airdrop platform; 9. Positioning rail. Detailed Implementation

[0017] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings: like Figure 1 and Figure 2 As shown, an adaptive pressing device for a guide rail for an airdrop platform includes a fuselage body 1, which is composed of several metal profiles fixedly connected to each other, and a limiting body 2 disposed on the fuselage body 1.

[0018] Specifically, the main body 1 is provided with a plurality of limiting protrusions 11, and the limiting body 2 includes a first rectangular body 21 and columnar handles 22 disposed on both sides of the first rectangular body 21. The width of the first rectangular body 21 is adapted to the gap distance between adjacent limiting protrusions 11. When the limiting body 2 is placed within the gap between adjacent limiting protrusions 11, the height of the limiting body 2 is greater than the height of the airdrop platform 8 and the positioning rail 9. When the limiting body 2 is subjected to the squeezing force generated by the airdrop platform 8 and the positioning rail 9 during installation, the limiting protrusions 11 are used to bear the squeezing force transmitted by the limiting body 2, thereby limiting the limiting body 2; wherein, the worker can lift the entire limiting body 2 through the columnar handle 22, so that it can be disassembled and assembled from the gap between adjacent limiting protrusions 11.

[0019] Please continue to refer to this. Figure 1 and Figure 2 The main body 1 is provided with a pressing body 3 that can slide on it. The change in distance between the pressing body 3 and the limiting body 2 is used to squeeze the parts between the pressing body 3 and the limiting body 2.

[0020] In this embodiment, two rows of guide support plates 5 are arranged side by side on the surface of the body 1, and each guide support plate 5 is arranged perpendicularly to the side wall of the first rectangular body 21; each guide support plate 5 is provided with a roller support plate 51 side by side on the surface of each guide support plate 5, and a first roller 52 is provided between every two adjacent roller support plates 51 that can rotate.

[0021] Please refer to the reference. Figure 4 The airdrop platform 8 is initially placed on one side of the limiting body 2, on the surface of the first roller 52. Subsequently, under the external thrust of the pressing body 3, its position relative to the fuselage body 1 continuously moves. During this movement, the protrusions on the surface of the pressing body 3 gradually engage with the hollow grooves in the positioning rail 9, thereby generating thrust on the positioning rail 9. After being pushed, the positioning rail 9 gradually engages with the side wall protrusions on the airdrop platform 8. During this process, the thrust on the positioning rail 9 is transmitted to the airdrop platform 8. At this time, the downward pressure of the airdrop platform 8 on the first roller 52 causes the first roller 52 to rotate, thus providing support and guidance for the airdrop platform 8. As the position of the airdrop platform 8 continuously changes, it is eventually obstructed by the limiting body 2 and fixed in a fixed position. Subsequently, one side of the positioning rail 9 gradually and completely engages with the side wall protrusions on the airdrop platform 8, ultimately allowing the positioning rail 9 to engage with the side wall of the airdrop platform 8, completing the installation between the airdrop platform 8 and the positioning rail 9.

[0022] Please continue to refer to this. Figure 2 The surface of the fuselage body 1 is also provided with several roller support frames 6. Each roller support frame 6 has a second roller 61 rotatably mounted inside. The axis of each second roller 61 is perpendicular to the axis of the first roller 52, and the top surface of each second roller 61 is parallel to the surface of the fuselage body 1. The cross-sectional shape of the roller support frame 6 is U-shaped, and the spacing between every two opposing second rollers 61 is adapted to the width of the positioning rail and the airdrop platform after installation.

[0023] With this configuration, when the first roller 52 guides the airdrop platform 8, it primarily contacts the bottom of the airdrop platform 8. The protruding portion of the side wall of the positioning rail 9 is wedged between adjacent second rollers 61, and each second roller 61 provides support and guidance to the side wall of the positioning rail 9. Furthermore, since the spacing between every two opposing second rollers 61 is adapted to the width of the positioning rail and the airdrop platform after installation, the airdrop platform 8 will not deviate during the compression and pushing process. Simultaneously, the second rollers 61 further bear the reaction force generated during the interaction between the airdrop platform 8 and the positioning rail 9.

[0024] It should be noted that the first roller 52 and the second roller 61 are made of plastic. This ensures that the first roller 52 and the second roller 61 will not cause excessive damage to the airdrop platform 8 and the positioning rail 9 during the process of supporting and guiding them. The deformation of the first roller 52 and the second roller 61 under force can also further offset the reaction force.

[0025] Please continue to refer to this. Figure 2 In this embodiment, two rows of guide rail bodies 7 are arranged side by side on the surface of the main body 1. Each guide rail body 7 is provided with a slider body 71 that can slide on it. Each guide rail body 7 is arranged parallel to the guide support plate 5. The bottom of the pressing body 3 is mounted on the surface of several slider bodies 71.

[0026] During implementation, the width between the guide rail bodies 7 is greater than the width between the guide support plates 5, thus enabling the slider body 71 to provide better support for the pressing body 3. As the pressing body 3 moves relative to the surface of the main body 1, the slider body 71 at the bottom of the pressing body 3 slides on the guide rail bodies 7, providing support and guidance during this sliding process.

[0027] Please continue to refer to the reference. Figure 3 The main body 1 is also provided with a screw transmission assembly 4 that drives the pressing body 3, which is equivalent to the sliding of the main body 1. The screw transmission assembly 4 includes a drive support plate 41, a first rotating shaft support block 44, a second rotating shaft support block 42, a motor mounting plate 43, a drive motor 45, a transmission screw 46, and a screw nut 47. The surface of the main body 1 is also provided with a drive support plate 41 and a second rotating shaft support block 42. The drive support plate 41 is provided with a motor mounting plate 43 and a first rotating shaft support block 44. The motor mounting plate 43 is provided with a drive motor 45. The transmission screw 46 is provided inside between the first rotating shaft support block 44 and the second rotating shaft support block 42. The drive motor 45 is connected to the end of the transmission screw 46 through a coupling. The surface of the transmission screw 46 is connected to the screw nut 47. The top of the screw nut 47 is connected to the middle of the bottom of the pressing body 3.

[0028] With this configuration, when the drive motor 45 starts, its output shaft drives the transmission screw 46 to rotate via a coupling. The two ends of the transmission screw 46 are supported by a first shaft support block 44 and a second shaft support block 42, respectively, ensuring stability during rotation. The transmission screw 46 and the screw nut 47 are threaded together and rotate continuously under the drive of the drive motor 45, converting the rotational motion into linear motion of the screw nut 47, causing it to move linearly along the axis of the transmission screw 46. Simultaneously, the clamping body 3 undergoes linear translation under the influence of the screw nut 47. The entire transmission process converts the rotational motion of the drive motor 45 into linear motion of the clamping body 3, which is then used to compress the installation between the airdrop platform 8 and the positioning rail 9.

[0029] Working principle and usage of this utility model: The equipment uses the limiting boss 11 fixed on the main body 1 as the bearing base. When the limiting body 2 is placed into the gap between the adjacent limiting bosses 11, the side wall of its first rectangular body 21 forms a vertical reference plane.

[0030] Multiple sets of first rollers 52 distributed on the surface of the equipment jointly support the airdrop platform 8, converting sliding friction into rolling friction and greatly reducing propulsion resistance. Pairs of second rollers 61, with their axes perpendicular to the first rollers 52, clamp the positioning rail 9 from both sides, forming a guide channel. This not only prevents the positioning rail 9 from lateral deviation during propulsion, ensuring straightness of movement, but also bears the lateral reaction force generated during pressing.

[0031] The drive motor 45 starts and drives the transmission screw 46 to rotate via the coupling. The screw nut 47 converts the rotational motion of the transmission screw 46 into its own precise linear motion. The screw nut 47 drives the entire clamping body 3 to move smoothly along the guide rail body 7. The clamping body 3 applies thrust to the positioning rail 9, which then transmits this thrust to the airdrop platform 8, causing it to move along the path formed by the first roller 52 and the second roller 61 towards the limiting body 2, ultimately precisely pressing the positioning rail 9 into the predetermined slot of the airdrop platform 8.

[0032] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A guide rail adaptive pressing device for an airdrop platform, comprising a fuselage body (1) and a limiting body (2) disposed on the fuselage body (1), characterized in that, The main body (1) is slidably provided with a pressing body (3). The distance change between the pressing body (3) and the limiting body (2) is used to squeeze the parts between the pressing body (3) and the limiting body (2). The main body (1) is also provided with a screw drive assembly (4) that drives the pressing body (3) to slide, which is equivalent to the sliding of the main body (1). The main body (1) is provided with a plurality of limiting bosses (11). The limiting body (2) includes a first rectangular body (21) and columnar handles (22) provided on both sides of the first rectangular body (21). The width of the first rectangular body (21) is adapted to the gap distance between adjacent limiting bosses (11). The main body (1) 1) The surface of the body is provided with several guide support plates (5) arranged in parallel, and each guide support plate (5) is arranged perpendicular to the side wall of the first rectangular body (21); each guide support plate (5) is provided with a roller support plate (51) arranged in parallel on the surface of each guide support plate (5), and a first roller (52) is provided between every two adjacent roller support plates (51); the surface of the body (1) is also provided with several roller support frames (6), and a second roller (61) is provided inside each roller support frame (6) that is rotatable. The axis of each second roller (61) is perpendicular to the axis of the first roller (52), and the top surface of each second roller (61) is parallel to the surface of the body (1).

2. The adaptive pressing device for guide rails of an airdrop platform according to claim 1, characterized in that, The surface of the main body (1) is also provided with several guide rail bodies (7) arranged in parallel. Each guide rail body (7) is provided with a slider body (71) that can slide on it. Each guide rail body (7) is arranged in parallel with the guide support plate (5). The bottom of the pressing body (3) is installed on the surface of several slider bodies (71).

3. The adaptive pressing device for guide rails of an airdrop platform according to claim 2, characterized in that, The cross-sectional shape of the roller support frame (6) is U-shaped, and the spacing between each pair of opposing second rollers (61) is adapted to the width of the positioning rail and the airdrop platform after installation.

4. The adaptive pressing device for guide rails of an airdrop platform according to claim 3, characterized in that, The lead screw transmission assembly (4) includes a drive support plate (41), a first shaft support block (44), a second shaft support block (42), a motor mounting plate (43), a drive motor (45), a transmission lead screw (46), and a lead screw nut (47). The surface of the machine body (1) is also provided with a drive support plate (41) and a second shaft support block (42). The drive support plate (41) is provided with a motor mounting plate (43) and a first shaft support block (44). The motor mounting plate (43) is provided with a drive motor (45). The transmission lead screw (46) is provided inside between the first shaft support block (44) and the second shaft support block (42). The drive motor (45) is connected to the end of the transmission lead screw (46) through a coupling. The surface of the transmission lead screw (46) is connected with a lead screw nut (47). The top of the lead screw nut (47) is connected to the middle of the bottom of the pressing body (3).

5. The adaptive pressing device for guide rails of an airdrop platform according to claim 4, characterized in that, The main body (1) is composed of several metal profiles fixedly connected to each other, and the first roller (52) and the second roller (61) are made of plastic.

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