Glue removing tool for airliner windshield

Abstract

The utility model relates to the technical field of airplane maintenance tools, and discloses a glue removing tool for a windshield of a passenger plane, which comprises an adapter rod and a glue removing head, the adapter rod is detachably connected with the glue removing head, the adapter rod is used for being fixedly connected with an electric tool, and the adapter rod is provided with a rotation stopping surface matched with the electric tool in a rotation stopping manner; an avoiding groove and a tooth-shaped groove are formed in the end, away from the switching rod, of the glue removing head, the avoiding groove allows the fixing nail to be embedded in the axial direction of the glue removing head, and a limiting face which abuts against the fixing nail in the axial direction so as to limit the glue removing head is arranged in the avoiding groove; and a plurality of tooth-shaped grooves are formed in the circumferential direction of the avoiding groove at intervals, and each tooth-shaped groove penetrates through the glue removing head in the radial direction of the glue removing head. The electric tool is used for driving the glue removing tool to rotate, the glue removing efficiency is improved, the limiting face can prevent the glue removing head from entering a counter bore too deep to damage a windshield glass and a machine head structure, in addition, the tooth-shaped groove and the receding hole can guarantee the rotation straightness and precision of the glue removing head, the offset is reduced, and the production efficiency is improved. And the wall surface damages a windshield and a machine head structure while the glue removing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of aircraft maintenance tools, and in particular to a tool for removing adhesive from the windshield of a passenger aircraft. Background Technology

[0002] In aircraft maintenance, the repair and inspection of the windshield area is crucial. To ensure the aerodynamic sealing of the windshield area, numerous fixing pins are installed using a fully sealed design. This means that after the fixing pins are connected to the windshield, sealant is injected into the countersunk holes to completely seal the pins within them. Windshield disassembly and assembly is a frequent maintenance task. The windshield retainer fixing pins are numerous and of specific dimensions, making the non-destructive removal of the sealant from the countersunk holes during disassembly extremely time-consuming and labor-intensive.

[0003] Currently in aircraft maintenance, removing the sealant from the fixing pins is a necessary step in the removal of the windshield, but aircraft manufacturers do not provide corresponding procedures or specialized sealant removal tools. Currently, maintenance personnel generally use general-purpose tools such as scrapers and pry bars for manual removal, which is extremely inefficient. Furthermore, the limited operating space around the windshield retainer requires a high level of skill from maintenance personnel. Non-metallic tools cannot effectively remove the sealant, and using metal tools can easily cause irreversible damage to the windshield and critical nose structures, increasing operational risks. Utility Model Content

[0004] The purpose of this invention is to provide a tool for removing adhesive from passenger aircraft windshields, in order to solve the problems of low efficiency and high risk of damaging the aircraft when manually removing adhesive during the disassembly of aircraft windshields in the prior art.

[0005] To achieve the above objectives, this utility model provides a tool for removing adhesive from the windshield of a passenger aircraft, including an adapter rod and an adhesive removal head. The adapter rod is detachably connected to the adhesive removal head. The adapter rod is used for fixed connection with a power tool. The adapter rod is provided with an anti-rotation surface that cooperates with the anti-rotation surface of the power tool.

[0006] The end of the adhesive removal head away from the adapter rod is provided with a relief groove and a toothed groove. The relief groove is for the fixing pin to be inserted along the axial direction of the adhesive removal head. The relief groove is provided with a limiting surface that abuts against the fixing pin axially to limit the adhesive removal head. Multiple toothed grooves are provided at intervals along the circumference of the relief groove, and each toothed groove penetrates the adhesive removal head radially.

[0007] Preferably, the toothed groove includes a first groove surface and a second groove surface, and the distance between the first groove surface and the second groove surface gradually increases along the radial direction of the degumming head.

[0008] Preferably, both the first groove surface and the second groove surface are curved surfaces.

[0009] Preferably, the angle between the first groove surface and the central axis of the degumming head is α, and the angle between the second groove surface and the degumming head is β, where α > β.

[0010] Preferably, the depth of the clearance groove is the same as the height of the fixing nail exposed above the windshield, and the bottom wall of the clearance groove forms the limiting surface.

[0011] Preferably, the adapter rod has a hexagonal prism segment, and the outer wall surface of the hexagonal prism segment forms the anti-rotation surface.

[0012] Preferably, the adapter rod is provided with a threaded post, the glue removal head is provided with a threaded hole, and the threaded post and the threaded hole are threadedly engaged.

[0013] Preferably, the adhesive removal head is a non-metallic component.

[0014] Compared with the prior art, the adhesive removal tool for passenger aircraft windshields according to this utility model embodiment has the following advantages: the adapter rod can be anti-rotated by engaging with power tools such as power tools through an anti-rotation surface. The power tool drives the adapter rod and the adhesive removal head connected to the adapter rod to rotate, improving the adhesive removal efficiency. When the adhesive removal head rotates, the toothed groove can cut and break the sealant in the countersunk hole. At the same time, the fixing pin is embedded in the clearance hole. When the limiting surface contacts the fixing pin, it indicates that the sealant removal is complete, preventing the adhesive removal head from entering the countersunk hole too deeply and damaging the windshield and the nose structure. In addition, the toothed groove and clearance hole can ensure the straightness and accuracy of the adhesive removal head rotation, reduce the amount of offset, improve the adhesive removal efficiency, reduce the damage to the windshield and nose structure, reduce the wear of the adhesive removal head, improve the safety of aircraft adhesive removal, and extend the service life of the adhesive removal head. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the adhesive removal tool for passenger aircraft windshields according to this utility model;

[0016] Figure 2 yes Figure 1 A cross-sectional view of a tool used for removing adhesive from passenger aircraft windshields;

[0017] Figure 3 yes Figure 1 An exploded view of another perspective of the adhesive removal tool used for passenger aircraft windshields.

[0018] In the figure, 1 is the adapter rod, 11 is the anti-rotation surface, 12 is the threaded post, 2 is the glue remover, 21 is the clearance groove, 211 is the limiting surface, 22 is the toothed groove, 221 is the first groove surface, 222 is the second groove surface, and 23 is the threaded hole. Detailed Implementation

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0020] A preferred embodiment of this utility model is a tool for removing adhesive from the windshield of a passenger aircraft, such as... Figures 1 to 3 As shown, this adhesive removal tool for passenger aircraft windshields is a specialized tool for windshield area construction. It can remove sealant from the countersunk hole gaps more quickly and thoroughly, ensuring cleanliness around the windshield fixing nails. This provides favorable conditions for subsequent windshield installation and sealing, and improves the overall quality of maintenance work.

[0021] The adhesive removal tool includes an adapter rod 1 and an adhesive removal head 2. The adapter rod 1 is used to fix and connect to a power tool. It adopts an electric drive to replace manual operation and can quickly rotate and remove the sealant, which greatly shortens the windshield disassembly time. It is estimated to save 3 hours of labor cost per aircraft when maintaining the windshield. At the same time, it significantly reduces the physical labor intensity of maintenance personnel and improves work efficiency.

[0022] The adapter rod 1 is provided with an anti-rotation surface 11, which engages with the power tool to prevent rotation. The power tool can drive the adapter rod 1 to rotate through the anti-rotation surface 11, increasing the stability of the connection drive. In this embodiment, the power tool is specifically a handheld power tool such as a power drill. Maintenance personnel can flexibly adjust the torque and speed of the power tool according to the actual thickness and hardness of the adhesive layer to adjust the rotation effect and achieve precise and rapid adhesive removal. The adapter surface can be used with most power tools, is easy to operate, requires no special skills, reduces the difficulty of operation, and makes it easier for maintenance personnel to get started.

[0023] The adhesive removal head 2 and the adapter rod 1 are detachable for easy carrying. Depending on the size of the windshield fixing nail and the work requirements, the adhesive removal head 2 can be selected with a special size and shape design, which is suitable for windshield maintenance operations of different models and improves the application range of this adhesive removal tool.

[0024] The degumming head 2 has a cylindrical structure. At the end of the degumming head 2 furthest from the adapter rod 1, there is a clearance groove 21 and a toothed groove 22. The clearance groove 21 extends axially along the degumming head 2, allowing the fixing pin to be inserted axially. When the degumming head 2 rotates to remove the sealant, the toothed groove 22 can break the sealant in the countersink. The sealant mainly fills around the fixing pin. After the fixing pin is inserted into the clearance groove 21, the degumming head 2 can avoid damaging the fixing pin, facilitating subsequent removal of the fixing pin.

[0025] The clearance groove 21 is also provided with a limiting surface 211 that abuts against the fixing nail axially. After the fixing nail comes into axial contact with the limiting surface 211, the glue removal head 2 can no longer move forward axially, thus limiting the axial movement of the glue removal head 2. This prevents the glue removal head 2 from removing glue too deeply and damaging the windshield and other aircraft structures, thus avoiding damage to important aircraft structures during construction and improving operational safety.

[0026] Multiple toothed grooves 22 are spaced circumferentially along the clearance groove 21. Each toothed groove 22 penetrates the adhesive removal head 2 radially. The adhesive removal head 2 forms cutting teeth between two toothed grooves 22. When the adhesive removal head 2 is rotated by the adapter rod 1, the toothed grooves 22 can cut and break the sealant in the countersunk hole, thereby achieving the effect of adhesive removal. In addition, when the adhesive removal head 2 rotates, the circumferential rotation of the toothed grooves 22 breaks the sealant and forms a precise guide part with the countersunk hole, which can ensure the straightness and accuracy of rotation and reduce the offset of the adhesive removal head 2.

[0027] The adapter rod 1 of this adhesive removal tool for passenger aircraft windshields can be anti-rotated by a power tool or similar power tool through an anti-rotation surface 11. The power tool drives the adapter rod 1 and the adhesive removal head 2 connected to the adapter rod 1 to rotate, improving adhesive removal efficiency. When the adhesive removal head 2 rotates, the toothed groove 22 can cut and break the sealant in the countersunk hole. At the same time, the fixing pin is embedded in the clearance hole. When the limiting surface 211 contacts the fixing pin, it indicates that the sealant removal is complete, preventing the adhesive removal head 2 from entering the countersunk hole too deeply and damaging the windshield and the nose structure. In addition, the toothed groove 22 and the clearance hole can ensure the straightness and accuracy of the rotation of the adhesive removal head 2, reducing the amount of offset. While improving adhesive removal efficiency, it also reduces the wear of the adhesive removal head 2, improves the safety of aircraft adhesive removal, and extends the service life of the adhesive removal head 2.

[0028] In some embodiments, the toothed groove 22 includes a first groove surface 221 and a second groove surface 222, and the distance between the first groove surface 221 and the second groove surface 222 gradually increases along the radial direction of the degumming head 2.

[0029] The radial direction of the degumming head 2 is perpendicular to its rotation axis. As the distance between the first groove surface 221 and the second groove surface 222 of the toothed groove 22 gradually increases radially along the degumming head 2, the first groove surface 221 and the second groove surface 222 are inclined in a direction away from the center of the degumming head 2. That is, the normal center line of the first groove surface 221 and the second groove surface 222 does not extend tangentially along the degumming head 2, but deflects outward from the degumming head 2. During degumming, because the direction of the first groove surface 221 and the second groove surface 222 deflects outward from the degumming head 2, it has a guiding effect on the sealant. The broken sealant is squeezed out of the countersink along the first groove surface 221 and the second groove surface 222, which can quickly discharge the sealant from the toothed groove 22 and prevent it from accumulating in the toothed groove 22.

[0030] In some embodiments, both the first groove surface 221 and the second groove surface 222 are curved surfaces.

[0031] The first groove surface 221 and the second groove surface 222 are curved surfaces with smooth transitions, which reduces stress concentration at the toothed groove 22 during the rotation of the adhesive removal head 2 and improves the service life of the adhesive removal tool.

[0032] In some embodiments, the angle between the first groove surface 221 and the central axis of the degumming head 2 is α, and the angle between the second groove surface 222 and the degumming head 2 is β, where α > β.

[0033] The angles between the first groove surface 221 and the central axis of the desealant removal head 2, and the angles between the second groove surface 222 and the central axis of the desealant removal head 2 are different. When the desealant removal head 2 rotates, the angles at which the first groove surface 221 and the second groove surface 222 cut the sealant are different. The rotation direction of the desealant removal head 2 can be reasonably adjusted as needed to improve the efficiency of the desealant removal head 2 in cleaning the sealant in the countersink, realize rapid rotation to remove the sealant, and reduce the difficulty of operation.

[0034] In some embodiments, the groove depth of the clearance groove 21 is the same as the height of the fixing pin exposed above the windshield, and the bottom wall of the clearance groove 21 forms a limiting surface 211.

[0035] The bottom wall of the clearance groove 21 forms a limiting surface 211, which simplifies the formation of the limiting surface 211. In other embodiments, a step structure can also be provided in the clearance groove 21, and the stepped surface of the step structure forms the limiting surface 211.

[0036] In some embodiments, the adapter rod 1 has a hexagonal prism segment, and the outer wall surface of the hexagonal prism segment forms an anti-rotation surface 11.

[0037] Hexagonal prisms have the advantages of good stability and anti-rotation effect. The outer wall surface of the hexagonal prism segment on the adapter rod 1 forms an anti-rotation surface 11, which simplifies the formation of the anti-rotation surface 11. In other embodiments, the adapter rod 1 can also be a columnar structure with an elliptical cross-section, and the elliptical outer wall surface forms the anti-rotation surface 11; the adapter rod 1 can also be a quadrangular prism, and the outer wall surface of the quadrangular prism forms the anti-rotation surface 11.

[0038] In some embodiments, the adapter rod 1 is provided with a threaded post 12, and the glue remover head 2 is provided with a threaded hole 23, with the threaded post 12 and the threaded hole 23 threadedly engaged.

[0039] The adapter rod 1 is threadedly connected to the threaded hole 23 on the degumming head 2 via the threaded post 12, making the degumming head 2 and the adapter rod 1 detachable and facilitating the replacement of the degumming head 2 with a suitable size and specification as needed. In other embodiments, the adapter rod 1 and the degumming head 2 can also be detached via a snap-fit ​​connection or a flange connection.

[0040] In some embodiments, the rubber head 2 is a non-metallic component.

[0041] The adhesive removal head 2 is made of non-metallic materials, and its design dimensions allow for precise control of the adhesive removal range and depth, fundamentally preventing damage to critical aircraft structures during construction and improving operational safety. In this embodiment, the adhesive removal head 2 is specifically made of a special engineering material with excellent high-temperature resistance, mechanical properties, electrical insulation, chemical resistance, and flame retardancy, enabling it to be used in various harsh maintenance environments, including extreme heat and cold, demonstrating strong adaptability. Furthermore, to save material costs, the adhesive removal head 2 can be reprocessed to restore its working performance after the adhesive removal tool's wear and tear.

[0042] In summary, this utility model embodiment provides a tool for removing adhesive from passenger aircraft windshields. Its adapter rod can engage with an anti-rotation surface to prevent rotation of power tools, allowing the power tool to drive the adapter rod and the adhesive removal head connected to it to rotate, thus improving adhesive removal efficiency. When the adhesive removal head rotates, the toothed groove can cut and break up the sealant in the countersunk hole. Simultaneously, the fixing pin is embedded in the clearance hole. When the limiting surface contacts the fixing pin, it indicates that the sealant removal is complete, preventing the adhesive removal head from entering the countersunk hole too deeply and damaging the windshield and nose structure. Furthermore, the toothed groove and clearance hole ensure the straightness and accuracy of the adhesive removal head's rotation, reducing offset. While improving adhesive removal efficiency, it also reduces wear on the adhesive removal head, improving aircraft adhesive removal safety and extending the service life of the adhesive removal head.

[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A tool for removing adhesive from passenger aircraft windshields, characterized in that, It includes an adapter rod (1) and a glue removal head (2). The adapter rod (1) and the glue removal head (2) are detachably connected. The adapter rod (1) is used to be fixedly connected to a power tool. The adapter rod (1) is provided with a non-rotation surface (11) that cooperates with the non-rotation of the power tool. The adhesive removal head (2) is provided with a relief groove (21) and a toothed groove (22) at one end away from the adapter rod (1). The relief groove (21) allows the fixing pin to be inserted along the axial direction of the adhesive removal head (2). The relief groove (21) is provided with a limiting surface (211) that abuts against the fixing pin axially to limit the adhesive removal head (2). Multiple toothed grooves (22) are provided at intervals along the circumference of the relief groove (21). Each toothed groove (22) penetrates the adhesive removal head (2) radially.

2. The adhesive removal tool for passenger aircraft windshields according to claim 1, characterized in that, The toothed groove (22) includes a first groove surface (221) and a second groove surface (222). Along the radial direction of the degumming head (2), the distance between the first groove surface (221) and the second groove surface (222) gradually increases.

3. The adhesive removal tool for passenger aircraft windshields according to claim 2, characterized in that, Both the first groove surface (221) and the second groove surface (222) are curved surfaces.

4. The adhesive removal tool for passenger aircraft windshields according to claim 2, characterized in that, The angle between the first groove surface (221) and the central axis of the degumming head (2) is a, and the angle between the second groove surface (222) and the degumming head (2) is b, where a > b.

5. The adhesive removal tool for passenger aircraft windshields according to any one of claims 1-4, characterized in that, The depth of the clearance groove (21) is the same as the height of the fixing nail exposed on the windshield, and the bottom wall of the clearance groove (21) forms the limiting surface (211).

6. The adhesive removal tool for passenger aircraft windshields according to any one of claims 1-4, characterized in that, The adapter rod (1) has a hexagonal prism segment, and the outer wall surface of the hexagonal prism segment forms the anti-rotation surface (11).

7. The adhesive removal tool for passenger aircraft windshields according to any one of claims 1-4, characterized in that, The adapter rod (1) is provided with a threaded post (12), and the glue removal head (2) is provided with a threaded hole (23). The threaded post (12) and the threaded hole (23) are threadedly engaged.

8. The adhesive removal tool for passenger aircraft windshields according to any one of claims 1-4, characterized in that, The degumming head (2) is a non-metallic part.

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