Alignment tool for the end of the side connecting rod on the second floor of the aircraft with the fixed joint of the fuselage

Abstract

This application belongs to the technical field of aircraft secondary floor installation design, specifically relating to a tool for aligning the end of a side connecting rod of an aircraft secondary floor with a fuselage fixing joint. The tool includes a guide cylinder, a gear, a drive rod, and a rack. One end of the guide cylinder has a claw and an mounting cylinder on its outer wall. The claw is located on the radial section of one end of the guide cylinder, above the guide cylinder, and is used to engage with a groove on the outer wall of the side connecting rod from below. The mounting cylinder is located on the axial section of the guide cylinder, laterally to the guide cylinder. The gear is disposed inside the mounting cylinder. The upper end of the drive rod extends from bottom to top through the side wall of the mounting cylinder and the gear, and is connected to the gear. One end of the rack is inserted into the guide cylinder and meshes with the gear; the other end has a locating pin on its outer wall, which is used to insert into an ear hole below the fixing joint from below.

Description

Technical Field

[0001] This application belongs to the field of aircraft secondary floor installation design technology, specifically relating to a tool for aligning the end of the side connecting rod of an aircraft secondary floor with the fuselage fixing joint. Background Technology

[0002] When installing the secondary floor inside the fuselage, the upper side connecting rod end needs to be inserted into the fixed connector inside the fuselage, so that the single ear hole on the side connecting rod end is precisely aligned with the double ear hole on the fixed connector, and then the insertion pin is inserted to connect, thus completing the installation of the secondary floor inside the fuselage.

[0003] Currently, the installation of double-layer flooring inside the machine body mostly relies on manual operation. The side connecting rod end is inserted into the fixed joint, and the single ear hole on the side connecting rod end is aligned with the double ear hole on the fixed joint. Due to the large weight of the double-layer flooring, shaking is unavoidable during operation, making it difficult to smoothly insert the side connecting rod end into the fixed joint and align the single ear hole on the side connecting rod end with the double ear hole on the fixed joint. This often requires repeated operation, resulting in low installation efficiency of double-layer flooring inside the machine body and posing significant safety risks.

[0004] This application is made in view of the aforementioned technical deficiencies. Summary of the Invention

[0005] The purpose of this application is to provide a tool for aligning the end of the side connecting rod of the second floor of an aircraft with the fixed joint of the fuselage, so as to overcome or mitigate at least one of the known technical defects.

[0006] The technical solution of this application is:

[0007] A tool for aligning the end of a side connecting rod on the second floor of an aircraft with a fixed joint on the fuselage, comprising a guide cylinder, a gear, a drive rod, and a rack;

[0008] The outer wall of one end of the guide cylinder has a claw and a mounting cylinder;

[0009] The pawl is located on the radial section of one end of the guide cylinder, above the guide cylinder, and is used to engage from below into the slot opened on the outer wall of the side connecting rod end;

[0010] The mounting cylinder is located on the axial section of the guide cylinder, and is situated on the side of the guide cylinder;

[0011] The gear is housed inside the mounting cylinder;

[0012] The upper end of the drive rod extends from bottom to top through the side wall of the mounting cylinder and the gear, and connects with the gear;

[0013] One end of the rack is inserted into the guide tube and meshes with the gear. The other end has a positioning pin on the upper part of its outer wall. The positioning pin is used to insert into the ear hole below the fixed joint from below.

[0014] This allows the drive rod to rotate, causing the gear to rotate, which in turn moves the guide cylinder along the rack, moving the end of the side connecting rod. This allows the end of the side connecting rod to be inserted into the fixed connector, aligning the single ear hole on the end of the side connecting rod with the double ear hole on the fixed connector.

[0015] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fuselage fixing joint, the pawl is semi-circular.

[0016] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fuselage fixing joint, the mounting cylinder is runway-shaped.

[0017] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fuselage fixing joint, the mounting cylinder and the pawl are located at the same end of the guide cylinder.

[0018] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fixed joint of the fuselage, the upper outer wall of the drive rod has two opposing protrusions, which are engaged in the groove below the gear.

[0019] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the aircraft second floor side connecting rod with the fuselage fixing joint, the lower side wall of the mounting cylinder has a through hole with the same shape as the groove below the gear.

[0020] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fixed joint of the fuselage, a transverse pin is provided at the part of the upper end of the drive rod exposed above the mounting cylinder.

[0021] The lateral pin engages with the protrusion to restrict the up-and-down movement of the drive rod relative to the gear.

[0022] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fixed joint of the fuselage, a handle is provided at the lower end of the drive rod.

[0023] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the aircraft second floor side connecting rod with the fuselage fixing joint, the positioning pin is located at the end of the guide cylinder facing away from the pawl.

[0024] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fuselage fixing joint, the side wall of the rack facing away from the tooth groove and the inner wall of the mounting cylinder are in arc-surface mating contact.

[0025] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fixed joint of the fuselage, the end of the rack inserted into the mounting cylinder has a rectangular block, and the rectangular block extends out of the guide cylinder.

[0026] According to at least one embodiment of this application, in the above-mentioned tool for aligning the end of the side connecting rod of the second floor of the aircraft with the fixed joint of the fuselage, the height of the locating pin is less than the height of the ear hole below the fixed joint.

[0027] This application has at least the following beneficial technical effects:

[0028] A tool is provided to align the end of the side connecting rod of an aircraft secondary floor with the fixing joint of the fuselage. By utilizing the positioning and support functions of the locating pin and the driving effect of the gear and rack engagement, it can avoid large shaking during the installation of the secondary floor inside the fuselage. It can smoothly insert the end of the side connecting rod into the fixing joint, achieving alignment between the single ear hole on the end of the side connecting rod and the double ear hole on the fixing joint. This avoids repeated operations, improves the low efficiency of secondary floor installation inside the fuselage, reduces safety risks, and saves manpower. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the tool for aligning the end of the side connecting rod of the second floor of an aircraft with the fixed joint of the fuselage, provided in an embodiment of this application.

[0030] Figure 2 This is a schematic diagram of the guide tube provided in an embodiment of this application;

[0031] Figure 3 This is a schematic diagram of the gear provided in an embodiment of this application;

[0032] Figure 4 This is a schematic diagram of the drive rod provided in an embodiment of this application;

[0033] Figure 5 This is a schematic diagram of the rack provided in an embodiment of this application;

[0034] Figure 6 This is a schematic diagram of the side connecting rod end provided in an embodiment of this application;

[0035] Figure 7 This is a schematic diagram of the fixed connector provided in an embodiment of this application;

[0036] Figure 8 This is a schematic diagram of the insertion pin provided in an embodiment of this application;

[0037] Figure 9 This is a schematic diagram of the tool used to align the end of the side connecting rod of the second floor of an aircraft with the fixed joint of the fuselage, as provided in the embodiments of this application.

[0038] in:

[0039] 1-Guide cylinder; 2-Gear; 3-Drive rod; 4-Rack; 5-Side connecting rod end; 6-Fixed joint; 7-Insertion pin;

[0040] 11-Claw; 12-Mounting cylinder;

[0041] 31-Protrusion; 32-Horizontal pin; 33-Handle;

[0042] 41-Locking pin; 42-Rectangular block.

[0043] To better illustrate this embodiment, some content in the accompanying drawings may be omitted, enlarged, or reduced. They are for illustrative purposes only and should not be construed as limiting the scope of this application. Detailed Implementation

[0044] To make the technical solution and advantages of this application clearer, the technical solution of this application will be described in a clearer and more complete manner below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of this application, and are only used to explain this application, not to limit this application. It should be noted that, for ease of description, only the parts related to this application are shown in the accompanying drawings, and other related parts can be referred to the general design.

[0045] Furthermore, unless otherwise defined, the technical or scientific terms used in this application description shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The word "comprising" as used in this application description indicates that the concept preceding the word encompasses the concepts listed following the word and their equivalents, without excluding other related concepts.

[0046] Furthermore, the terms indicating location used in the description of this application are only used to indicate relative directions or positional relationships. When the absolute position of the described object changes, its relative positional relationship may also change accordingly. It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation" and "connection" used in the description of this application should be interpreted broadly. For example, a connection can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand its specific meaning in this application according to the specific circumstances.

[0047] A tool for aligning the end of the side connecting rod of an aircraft's second-level floor with the fuselage fixing joint, such as... Figure 1 As shown, it includes a guide cylinder 1, a gear 2, a drive rod 3, and a rack 4.

[0048] The outer wall of one end of the guide cylinder 1 has a claw 11 and a mounting cylinder 12, such as Figure 2 As shown.

[0049] The chuck 11 is semi-circular and is located on the radial section of one end of the guide cylinder 1, above the guide cylinder 1.

[0050] The mounting cylinder 12 is racetrack shaped and is located on the axial section of the guide cylinder 1. It is located on the side of the guide cylinder 1 and is perpendicular to the pawl 11 at 90°. It is also located at the same end of the guide cylinder 1 as the pawl 11.

[0051] Gear 2 Figure 3 As shown, it is installed inside the mounting cylinder 12.

[0052] Drive lever 3 as Figure 4 As shown, the upper end is arranged to penetrate the side wall of the mounting cylinder 12 and the gear 2 from bottom to top.

[0053] The upper outer wall of the drive rod 3 has two opposing protrusions 31, which are engaged in the groove below the gear 2. This allows the gear 2 to rotate inside the mounting cylinder 12 by rotating the drive rod 3. The lower side wall of the mounting cylinder 12 has a through hole that matches the shape of the groove below the gear 2, so that the protrusions 31 on the drive rod 3 can pass through for installation.

[0054] A transverse pin 32 is provided at the upper end of the drive rod 3 above the mounting cylinder 12. The transverse pin 32 cooperates with the protrusion 31 to restrict the up and down movement of the drive rod 3 relative to the gear 2.

[0055] A handle 33 is provided at the lower end of the drive rod 3 to facilitate the rotation of the drive rod 3.

[0056] Rack 4 Figure 5 As shown, one end is inserted into the guide cylinder 1 and meshes with the gear 2, while the other end has a positioning pin 41 on its outer wall. The positioning pin 41 is located at the end of the guide cylinder 1 that is away from the pawl 11.

[0057] The side wall of the rack 4 facing away from the tooth groove makes arc-shaped contact with the inner wall of the mounting cylinder 12.

[0058] The rack 4 is inserted into the mounting cylinder 12. One end of the rack has a rectangular block 42, which extends out of the guide cylinder 1.

[0059] Side connecting rod end 5, fixed joint 6, insertion pin 7, such as Figure 6 , Figure 7 , Figure 8 As shown.

[0060] Based on the above-described embodiment of the aircraft second-floor side connecting rod end and fuselage fixing joint alignment tool, the side connecting rod end is inserted into the fixing joint, and the single ear hole on the side connecting rod end is aligned with the double ear hole on the fixing joint, as follows:

[0061] The pawl 11 is engaged from below into the slot opened on the outer wall of the side connecting rod end 5;

[0062] Insert the positioning pin 41 from below into the ear hole below the fixing connector 6;

[0063] Turn the handle 33 to drive the drive rod 3, which in turn drives the gear 2 to rotate, causing the guide cylinder 1 to move along the rack 4. This causes the side connecting rod end 5 to move, so that the side connecting rod end 5 is inserted into the fixed connector 6, aligning the single ear hole on the side connecting rod end 5 with the double ear hole on the fixed connector 6.

[0064] After aligning the single ear hole on the side connecting rod end 5 with the double ear hole on the fixed connector 6, the insertion pin 7 can be inserted from above into the ear hole on the fixed connector 6 and the single ear hole on the side connecting rod end 5. Figure 9 As shown, when the height of the positioning pin 41 is less than the height of the ear hole below the fixed connector 6, the insertion pin 7 can be partially inserted into the ear hole below the fixed connector 6. Then, the claw 11 is removed from the slot, and the positioning pin 41 is removed from the ear hole below the fixed connector 6. The tool for aligning the end of the aircraft secondary floor side connecting rod with the fuselage fixed connector is removed, and the insertion pin 7 can be completely inserted into the ear hole below the fixed connector 6 to complete the installation of the aircraft secondary floor inside the fuselage.

[0065] The height of the positioning pin 41 is designed to be less than the height of the ear hole below the fixed connector 6, which can also avoid interference with the end of the side connecting rod 5 during the hole alignment process.

[0066] The tool for aligning the side connecting rod end of the aircraft secondary floor with the fuselage fixing joint disclosed in the above embodiment, with the help of the positioning and support function of the positioning pin 41 and the driving effect of the gear 2 and rack 4, can avoid large shaking when the secondary floor is installed in the fuselage. It can smoothly insert the side connecting rod end 5 into the fixing joint 6, realize the alignment of the single ear hole on the side connecting rod end 5 with the double ear hole on the fixing joint 6, avoid repeated operations, improve the low efficiency of the secondary floor installation in the fuselage, reduce safety risks, and save manpower. In the original solution, force was required to be applied to the entire secondary floor for hole alignment. Now, the goal can be achieved simply by rotating the drive rod.

[0067] The technical solution of this application has been described in conjunction with the preferred embodiments shown in the accompanying drawings. Those skilled in the art should understand that the scope of protection of this application is obviously not limited to these specific embodiments. Without departing from the principles of this application, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of this application.

Claims

1. A tool for aligning the end of a side connecting rod on the second-level floor of an aircraft with a fixing joint on the fuselage, characterized in that, Includes guide cylinder (1), gear (2), drive rod (3), rack (4); The outer wall of one end of the guide cylinder (1) has a claw (11) and a mounting cylinder (12); The claw (11) is located on the radial section of one end of the guide cylinder (1), above the guide cylinder (1), and is used to engage from below into the slot opened on the outer wall of the side connecting rod end (5); The mounting cylinder (12) is located on the axial section of the guide cylinder (1) and is located on the side of the guide cylinder (1); The gear (2) is installed inside the mounting cylinder (12); The upper end of the drive rod (3) is set from bottom to top through the side wall of the mounting cylinder (12) and the gear (2) and is connected to the gear (2); One end of the rack (4) is inserted into the guide cylinder (1) and meshes with the gear (2). The other end has a positioning pin (41) on the upper part of its outer wall. The positioning pin (41) is used to be inserted into the ear hole below the fixed joint (6) from below. In this way, by rotating the drive rod (3), the gear (2) can be rotated, causing the guide cylinder (1) to move along the rack (4), which in turn causes the side connecting rod end (5) to move, so that the side connecting rod end (5) can be inserted into the fixed joint (6), aligning the single ear hole on the side connecting rod end (5) with the double ear hole on the fixed joint (6).

2. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 1, characterized in that, The claw (11) is semi-circular.

3. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 2, characterized in that, The mounting cylinder (12) is runway shaped.

4. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 3, characterized in that, The mounting cylinder (12) and the chuck (11) are located at the same end of the guide cylinder (1).

5. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 4, characterized in that, The upper outer wall of the drive rod (3) has two opposing protrusions (31), which are engaged in the groove below the gear (2).

6. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 5, characterized in that, The lower side wall of the mounting cylinder (12) has a perforation that matches the shape of the groove below the gear (2).

7. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 6, characterized in that, A transverse pin (32) is provided at the part of the upper end of the drive rod (3) that is exposed above the mounting cylinder (12); The transverse pin (32) engages with the protrusion (31) to restrict the up-and-down movement of the drive rod (3) relative to the gear (2).

8. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 7, characterized in that, A handle (33) is provided at the lower end of the drive rod (3).

9. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 8, characterized in that, The positioning pin (41) is located at the end of the guide cylinder (1) facing away from the pawl (11).

10. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 9, characterized in that, The side wall of the rack (4) facing away from the tooth groove makes arc-shaped contact with the inner wall of the mounting cylinder (12).

11. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 10, characterized in that, The rack (4) is inserted into the mounting cylinder (12) at one end, which has a rectangular block (42) that extends out of the guide cylinder (1).

12. The tool for aligning the end of the side connecting rod of the second-level aircraft floor with the fuselage fixing joint according to claim 11, characterized in that, The height of the positioning pin (41) is less than the height of the ear hole below the fixing connector (6).

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