A general aircraft assembly step difference detection device

Abstract

The utility model relates to related technical field of aircraft mechanical measurement and detection especially, more particularly to a general aircraft assembly step difference detection device, including caliper and combination mechanism, the surface one side of caliper is inlayed with digital display appearance, one end of caliper is provided with combination mechanism, the utility model discloses the setting of combination mechanism, when adjusting, first rotating screw thread rotating hand, screw thread rotating hand is through with screw thread groove cooperation, removes its end from the clamping slot, and is used for accurate alignment in the assembly process, the front end of the clamping block is a regular hexagon, in the sliding slot and the mounting groove, the clamping block is clamped in the mounting groove, and further connects the limiting block, the pointed conical end of the limiting block is embedded in the alignment groove, and the clamping block and the limiting block constitute automatic clamping, ensure the stability of digital display appearance in the working process, after using, through the observation level, can guarantee the accuracy in the detection.

Description

Technical Field

[0001] This utility model relates to the technical field of aircraft mechanical measurement and testing, and in particular to a general-purpose aircraft assembly step difference detection device. Background Technology

[0002] General aviation aircraft assembly step difference detection refers to the technology of using a special detection device to accurately measure and evaluate the height differences of aircraft structural components during the assembly process. This detection ensures that the flatness and step difference of the mating surfaces between components meet the design requirements, prevents assembly errors from affecting aircraft performance and safety, improves assembly quality and manufacturing precision, and is widely used in the fields of aviation manufacturing and maintenance. Therefore, a general aviation aircraft assembly step difference detection device is particularly needed.

[0003] However, existing general aviation aircraft assembly step difference detection devices mainly use mechanical rulers or laser rangefinders to measure the height difference of assembled parts manually or semi-automatically, and combine them with positioning fixtures to realize the alignment detection of parts. Although these methods can meet the basic detection requirements, they require multiple tests due to different detection angles, resulting in large errors. Utility Model Content

[0004] The purpose of this utility model is to provide a general aircraft assembly step difference detection device to solve the problem mentioned in the background art. The existing general aircraft assembly step difference detection devices mainly use mechanical rulers or laser rangefinders to measure the height difference of the assembled parts manually or semi-automatically, and combine them with positioning fixtures to realize the alignment detection of the parts. Although these methods can meet the basic detection requirements, they require multiple tests due to different detection angles, resulting in large errors.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model relates to a general-purpose aircraft assembly step difference detection device, comprising a scale and a combination mechanism. A digital display and an end cap are fitted onto one side of the scale surface, and the combination mechanism is located at one end of the scale. The combination mechanism includes a slot, a threaded groove, an alignment groove, a threaded rotating hand, a sliding groove, a locking block, a mounting groove, a level, a spring, a locking block, and a limiting block. The top side wall of the scale has a slot, the top of the digital display has a threaded groove, and the bottom of the digital display has an alignment groove. A threaded rotating hand is threadedly connected to the inside of the threaded groove. Sliding grooves are formed on both side walls of the alignment groove, and a locking block is fitted inside the alignment groove. A mounting groove is formed on one side of the sliding groove. One end of the locking block is fixed to the extension end of the level. A spring is located in the mounting groove, and a locking block is connected to the other side of the spring. A limiting block is connected to the other side of the locking block.

[0007] Preferably, the card slots are provided in multiple sets, and the multiple sets of card slots correspond to the scale positions on the scale and are distributed at equal intervals.

[0008] Preferably, the threaded rotary hand is threadedly connected to the threaded groove, and the end of the threaded rotary hand is engaged in the groove.

[0009] Preferably, the end of the limiting block is conical, the main body of the limiting block is engaged in the slide groove, and the limiting block and the slide groove form a sliding structure through the spring and the locking block.

[0010] Preferably, the main body of the locking block is engaged in the mounting groove, and the locking block and the mounting groove form a sliding structure through a spring.

[0011] Preferably, the end of the engaging block is set as a regular hexagon, and the engaging block and the limiting block form a mutually sliding engaging structure through the spring and the locking block.

[0012] Preferably, four sets of alignment slots are provided, and the four sets of alignment slots are symmetrically distributed at the bottom of the digital display.

[0013] Preferably, the end is provided with a slot and a threaded groove, a threaded rotating hand is screwed into the threaded groove and its end is engaged in the slot, and the scale forms a sliding structure with the digital display and the end respectively.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This general aircraft assembly step difference detection device, through the setting of the combined mechanism, the component mechanism, through the simple parts cooperation, enables the device to detect the horizontal status of the scale and digital display in real time, ensuring that the measurement benchmark is accurate and without deviation during the detection process, improving the accuracy and reliability of step difference detection, preventing errors caused by installation tilt, ensuring assembly quality, and improving the consistency and reliability of detection results. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a front exploded view of the cut side of some parts of the combined mechanism of this utility model;

[0017] Figure 3 This is a rear exploded view of the cut side of some parts of the combined mechanism of this utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 5 This utility model Figure 3 Enlarged structural diagram at point B.

[0020] In the diagram: 1. Ruler; 2. Digital display; 3. End; 4. Combination mechanism; 401. Slot; 402. Threaded groove; 403. Alignment groove; 404. Threaded rotator; 405. Slide; 406. Engaging block; 407. Mounting groove; 408. Level; 409. Spring; 410. Locking block; 411. Limiting block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 The general-purpose aircraft assembly step difference detection device of this utility model includes a scale 1 and a combination mechanism 4. A digital display 2 and an end 3 are embedded on one side of the surface of the scale 1, and the combination mechanism 4 is provided at one end of the scale 1.

[0023] The combined mechanism 4 includes a slot 401, a threaded groove 402, an alignment groove 403, a threaded rotary handle 404, a slide 405, a locking block 406, a mounting groove 407, a level 408, a spring 409, a locking block 410, and a limiting block 411. The top side wall of the scale 1 has a slot 401, the top of the digital display 2 has a threaded groove 402, and the bottom of the digital display 2 has an alignment groove 403. The threaded rotary handle 404 is threadedly connected inside the threaded groove 402, and the alignment groove 403... The two side walls are provided with sliding grooves 405. A locking block 406 is fitted inside the alignment groove 403. A mounting groove 407 is provided on one side of the sliding groove 405. One end of the locking block 406 is fixed to the extension end of the level 408. A spring 409 is connected to one side of the mounting groove 407, and a locking block 410 is connected to the other side of the spring 409. A limit block 411 is connected to the other side of the locking block 410. The level 408 is connected via the locking groove 401, threaded groove 402, alignment groove 403, threaded rotary handle 404, and sliding groove 405. 05. The setting of locking block 406, mounting groove 407, level 408, spring 409, locking block 410 and limit block 411 is as follows: When the user needs to adjust the digital display 2 or end 3 on the scale 1, first rotate the threaded rotating hand 404. The threaded rotating hand 404, through cooperation with the threaded groove 402, moves its end out of the locking groove 401. The alignment groove 403 is used for precise alignment during assembly. The front end of the locking block 406 is a regular hexagon for easy and stable positioning. In the sliding groove 40... 5. Within the mounting slot 407, the locking block 410 engages with the mounting slot 407 and is further connected to the limiting block 411. The pointed conical end of the limiting block 411 is embedded in the alignment slot 403, so that the locking block 406 and the limiting block 411 form an automatic engagement, ensuring the stability of the digital display instrument 2 during operation. Subsequently, when using it, the accuracy of the test can be guaranteed by observing the level 408. The digital display instrument 2 is an existing digital display vernier caliper digital display instrument, and the level 408 is a small high-precision level.

[0024] Furthermore, multiple sets of slots 401 are provided. The multiple sets of slots 401 are aligned with the scale position on the scale 1 and are distributed at equal intervals. Through the setting of slots 401, slots 401 are used in the above mechanism to cooperate with threaded rotating hand 404 to realize the positioning and fixation of digital display 2 on scale 1, ensuring accurate installation position and facilitating multi-point measurement and repeated positioning.

[0025] Furthermore, the threaded rotary handle 404 is threadedly connected to the threaded groove 402, and the end of the threaded rotary handle 404 is engaged in the slot 401. Through the setting of the threaded groove 402 and the threaded rotary handle 404, the threaded groove 402 and the threaded rotary handle 404 cooperate to realize the fastening and disassembly of the digital display 2 by rotation, and control its locking position in the slot 401 to ensure that the installation is stable and adjustable.

[0026] Furthermore, the end of the limiting block 411 is conical, and the main body of the limiting block 411 is engaged in the slide groove 405. The limiting block 411 forms a sliding structure with the slide groove 405 through the spring 409 and the locking block 410. With the setting of the limiting block 411, the limiting block 411 is embedded in the slide groove 405, and the end is conical. By cooperating with the spring 409 and the locking block 410, it plays a limiting and anti-slip role, ensuring that the locking block 406 is stably positioned and does not shift.

[0027] Furthermore, the main body of the locking block 410 is engaged in the mounting groove 407. The locking block 410 and the mounting groove 407 form a sliding structure through the spring 409. With the setting of the locking block 410, the locking block 410 is embedded in the mounting groove 407. The limiting block 411 is connected through the spring 409, which plays the role of force transmission and positioning, realizing the sliding fit and stable engagement between the structures.

[0028] Furthermore, the end of the locking block 406 is set as a regular hexagon. The locking block 406 forms a mutually sliding locking structure with the limiting block 411 through the spring 409 and the locking block 410. With the setting of the locking block 406, the locking block 406 is embedded in the alignment groove 403. The end is a regular hexagon. By cooperating with the spring 409, the locking block 410 and the limiting block 411, the level 408 is accurately positioned and securely locked.

[0029] Furthermore, four sets of alignment slots 403 are provided, and the four sets of alignment slots 403 are symmetrically distributed at the bottom of the digital display instrument 2. By setting the alignment slots 403 at the bottom of the digital display instrument 2, they are used to fit and engage the locking block 406 and the level 408, so as to achieve precise alignment during assembly and ensure that the digital display instrument 2 and the scale 1 are installed in the correct direction and in a symmetrical and stable position.

[0030] Furthermore, the end 3 is provided with a slot 401 and a threaded groove 402. A threaded rotating hand 404 is screwed into the threaded groove 402 and its end is engaged in the slot 401. The scale 1 forms a mutual sliding structure with the digital display 2 and the end 3 respectively. The threaded rotating hand 404 is a screw.

[0031] Working principle: When the user needs to adjust the digital display 2 or end 3 on the scale 1, first rotate the threaded rotating hand 404. The threaded rotating hand 404, through cooperation with the threaded groove 402, moves its end out of the slot 401. The alignment groove 403 is used for precise alignment during assembly. The front end of the locking block 406 is a regular hexagon, which facilitates stable positioning. In the slide groove 405 and the mounting groove 407, the locking block 410 is engaged in the mounting groove 407 and further connected to the limiting block 411. The pointed conical end of the limiting block 411 is embedded in the alignment groove 403, so that the locking block 406 and the limiting block 411 form an automatic engagement, ensuring the stability of the digital display 2 during operation. After that, when using it, the accuracy of the test can be guaranteed by observing the level 408.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A universal aircraft assembly step detection device comprising a scale (1) and a combination mechanism (4), characterised in that, A digital display (2) and an end (3) are fitted on one side of the surface of the scale (1), and a combination mechanism (4) is provided at one end of the scale (1); The combined mechanism (4) includes a slot (401), a threaded groove (402), an alignment groove (403), a threaded rotary handle (404), a slide (405), a locking block (406), a mounting groove (407), a level (408), a spring (409), a locking block (410), and a limiting block (411). The top side wall of the scale (1) has a slot (401), the top of the digital display (2) has a threaded groove (402), and the bottom of the digital display (2) has an alignment groove (403). The interior of the threaded groove (402) A threaded rotary hand (404) is connected to the threaded connection. Slide grooves (405) are provided on both sides of the alignment groove (403). A locking block (406) is fitted inside the alignment groove (403). An installation groove (407) is provided on one side of the slide groove (405). One end of the locking block (406) is fixed to the extension end of the level (408). A spring (409) is provided in the installation groove (407). A locking block (410) is connected to the other side of the spring (409). A limit block (411) is connected to the other side of the locking block (410).

2. The universal aircraft fitment step difference detection device according to claim 1, wherein, The slots (401) are provided in multiple sets, and the multiple sets of slots (401) correspond to the scale positions on the scale (1) and are distributed at equal intervals.

3. The universal aircraft fitment step difference detection device according to claim 1, wherein, The threaded rotary hand (404) is threadedly connected to the threaded groove (402), and the end of the threaded rotary hand (404) is engaged in the groove (401).

4. The universal aircraft fitment step difference detection device according to claim 1, wherein, The end of the limiting block (411) is conical, and the main body of the limiting block (411) is engaged in the slide groove (405). The limiting block (411) and the slide groove (405) form a sliding structure through the spring (409) and the locking block (410).

5. The universal aircraft fitment step difference detection device according to claim 1, wherein, The main body of the locking block (410) is engaged in the mounting groove (407), and the locking block (410) and the mounting groove (407) form a mutual sliding structure through the spring (409).

6. The universal aircraft fitment step difference detection device according to claim 1, wherein, The end of the locking block (406) is set as a regular hexagon. The locking block (406) and the limiting block (411) form a mutually sliding locking structure through the spring (409) and the locking block (410).

7. The universal aircraft fitment step difference detection device according to claim 1, wherein, The alignment groove (403) is provided in four sets, and the four sets of alignment groove (403) are symmetrically distributed at the bottom of the digital display (2).

8. The universal aircraft fitment step difference detection device according to claim 1, wherein, The end (3) is provided with a slot (401) and a threaded groove (402). A threaded rotating hand (404) is screwed into the threaded groove (402) and its end is engaged in the slot (401). The scale (1) forms a sliding structure with the digital display (2) and the end (3) respectively.

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