Riveting device for ratchet wheel winding drum of aviation safety belt

Abstract

The invention discloses an aviation safety belt ratchet wheel winding drum riveting device which comprises a pneumatic press and a riveting mechanism. The riveting mechanism is arranged in the pneumatic press, and the pneumatic press is used for pressurizing and fixing the riveting mechanism; the riveting mechanism comprises a fixing assembly, an upper tooth fixing assembly and a lower tooth fixing assembly. The fixing assembly is used for combining the upper tooth fixing assembly and the lower tooth fixing assembly. The upper tooth fixing assembly and the lower tooth fixing assembly are the same in structure and oppositely arranged in the fixing assembly. The bottom of the tooth fixing assembly located on the upper portion and the top of the tooth fixing assembly located on the lower portion are both provided with gear teeth, and the upper tooth fixing assembly and the lower tooth fixing assembly are meshed through the gear teeth. By arranging the upper tooth fixing assembly and the lower tooth fixing assembly, the ratchet wheels and the core rod can be better riveted in the narrow space of the framework assembly, the two ratchet wheels on the core rod can be riveted at the same time when a pneumatic press presses downwards through the riveting rods which are symmetrically arranged in the tooth fixing assemblies, and compared with traditional manual riveting, the riveting efficiency is greatly improved. The riveted ratchet wheel and the core rod are more accurate in precision, and the process is better.

Description

Technical Field

[0001] The present invention relates to the technical field of aviation seat belts, and particularly to a riveting device for an aviation seat belt ratchet drum. Background Art

[0002] As an important component of an aviation seat belt, an inertia drum is composed of a webbing, a frame assembly, a ratchet drum, a flap, a locking sensitive mechanism, a spring assembly, and a connection end of an operating mechanism; wherein the ratchet drum is used for winding the webbing, and at the same time, when the acceleration of the webbing pulled out from the inertia drum exceeds a certain value, the locking sensitive mechanism acts to engage the flap with the ratchet drum to lock, and the webbing cannot be pulled out any further, thereby restraining the wearer; to meet the lightweight requirement of the aircraft seat belt, the separation state of the ratchet 5 and the mandrel 8 of the inertia drum ratchet drum is changed to an integrated ratchet mandrel, as Figures 7 - 8 shown, so as to achieve the effect of weight reduction.

[0003] Due to the change in the composition structure of the ratchet drum, its corresponding assembly method also changes accordingly. According to the assembly requirements, the ratchet 5 and the mandrel 8 need to be riveted together on the basis of the frame assembly 11 and the wear-resistant sleeve 10. During the riveting process of the ratchet drum, the positions of the frame assembly 11 and the wear-resistant sleeve 10 need to be avoided, resulting in extremely narrow riveting space. At the same time, in the narrow space, riveting the ratchet 5 and the mandrel 8 together requires not only ensuring a high positional accuracy requirement of the two-sided ratchet relative to the mandrel, but also ensuring the firmness of the riveting.

[0004] Due to the narrow space inside the frame assembly 11, currently, the manual riveting method is generally adopted. However, the manual riveting has the following disadvantages: the operation difficulty is high. In the narrow space of the frame assembly 11, the operation space of manual operation is severely limited, which may lead to difficulty in accurately aligning and applying force during the riveting process. At the same time, the narrow space may also cause the operator's line of sight to be blocked, making it impossible to clearly observe the riveting part, thus affecting the quality effect of the riveting; the riveting quality is unstable. In the narrow space of the frame assembly 11, it is difficult to control the force of manual knocking. Excessive force may damage the product, while too little force may not be able to rivet in place. At the same time, it may affect the alignment accuracy of the riveting, resulting in unreliable riveting and difficulty in ensuring the consistency of the product; the riveting efficiency is low. Due to the increased operation difficulty and the need for more time and energy to ensure the riveting quality, the working efficiency of manually knocking and riveting the ratchet drum will be greatly reduced. At the same time, due to long-term manual operation, the operator's strength will increase, leading to operator fatigue and reduced efficiency; the safety risk increases. Using a hammer tool to knock in the narrow space of the frame assembly 11 may cause the tool to get out of control or accidentally injure the operator due to the limited space. Therefore, it is particularly important to develop a riveting device for an aviation seat belt ratchet drum suitable for narrow spaces. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a riveting device for an aviation seat belt ratchet drum, aiming to solve the problems in the background art.

[0006] To achieve the above object, the present invention provides the following technical solution: A riveting device for an aviation seat belt ratchet drum, comprising: a pneumatic press and a riveting mechanism; the riveting mechanism is arranged in the pneumatic press, and the pneumatic press is used to pressurize and fix the riveting mechanism; the riveting mechanism includes a fixing component and two upper and lower tooth-fixing components, and the fixing component is used to combine the two upper and lower tooth-fixing components; the two upper and lower tooth-fixing components have the same structure and are oppositely arranged in the fixing component; the bottom of the upper tooth-fixing component and the top of the lower tooth-fixing component are both provided with teeth, and the two upper and lower tooth-fixing components are meshed with each other through the teeth.

[0007] Further, the upper tooth-fixing component is composed of a limiting rotating seat at the tail and a pressing plate arranged on the front of the limiting rotating seat. A drum card slot is arranged at the bottom of the front of the pressing plate, and riveting components are arranged on both sides of the top of the front of the pressing plate. A limiting mechanism is also arranged on the pressing plate.

[0008] Further, the riveting component includes an outer cover plate slot arranged at the top of the front of the pressing plate. A slider chute is arranged at the bottom of the outer cover plate slot. Two sliders are slidably arranged in the slider chute. A riveting rod is arranged at the outer end of each of the two sliders, and the two riveting rods extend out of both ends of the slider chute. A through hole is arranged at the inner end of each of the two sliders. A transverse compression spring is arranged between the two through holes, and the two ends of the transverse compression spring respectively extend into the through holes of the two sliders; a lever is arranged on the front of each of the two sliders, and the lever passes through the limiting mechanism to the front of the pressing plate; an outer cover plate is arranged on the outer cover plate slot.

[0009] Further, the limiting mechanism includes an inner cover plate slot, a pressing block chute, and a lever chute arranged on the front of the pressing plate from top to bottom. The inner cover plate slot and the pressing block chute are communicated with each other, the pressing block chute and the lever chute are communicated with each other, the lever chute and the slider chute are communicated with each other, and the length of the lever chute is less than the length of the slider chute. The lever passes through the lever chute to the front of the pressing plate; a pressing block is slidably arranged in the pressing block chute, and the pressing block slides up and down in the pressing block chute. A clamping block for clamping the lever is arranged at the bottom of the pressing block. An inner cover plate is arranged in the inner cover plate slot, and the inner cover plate is fixed by a fixing bolt; through holes are arranged at the bottom of the inner cover plate and the top of the pressing block, and a longitudinal compression spring is arranged between the inner cover plate and the pressing block, and the two ends of the longitudinal compression spring respectively extend into the through holes of the inner cover plate and the pressing block.

[0010] Further, the limiting rotating seat includes a fixing column. A connecting through hole is arranged in the fixing column. Teeth are arranged at the bottom of the fixing column. The front of the fixing column is connected to the tail end of the pressing plate.

[0011] Further, openings are provided at the bottom of the pressing plate of the upper fixed tooth assembly and the top of the pressing plate of the lower fixed tooth assembly. A spring is provided between the pressing plate of the upper fixed tooth assembly and the pressing plate of the lower fixed tooth assembly, and both ends of the spring extend into the openings of the pressing plate of the upper fixed tooth assembly and the pressing plate of the lower fixed tooth assembly respectively.

[0012] Further, the fixing assembly includes a fixing base. Support plates are provided on both sides of the fixing base. Two horizontally arranged main shafts are provided between the support plates. A limiting block is provided at the top between the support plates, and a vertically arranged limiting bolt is provided at the center of the top of the limiting block; the fixing columns of the upper and lower fixed tooth assemblies are respectively installed on the two horizontally arranged main shafts through connecting through holes.

[0013] Further, the support plates are fixed to both sides of the fixing base by a plurality of first fixing screws; the main shafts are fixed between the support plates through bushings, gaskets and snap rings; the limiting block is fixed between the support plates by a plurality of second fixing screws.

[0014] Compared with the existing technology, the present invention has the following beneficial effects: The present invention designs a device that can be integrally riveted and formed in a narrow space of the frame assembly for the problem of changing the separated state of the ratchet and the mandrel into an integrated one of the ratchet and the mandrel. Compared with traditional manual riveting, the ratchet and the mandrel riveted by the present invention have more accurate precision, better process and higher efficiency; the present invention can achieve precise positioning and fixing of the ratchet and the mandrel through the upper and lower fixed tooth assemblies provided. By pressing the upper and lower fixed tooth assemblies with a pneumatic press, the upper and lower fixed tooth assemblies can drive the ratchet and the mandrel to be riveted simultaneously through the teeth, making the process of the riveted ratchet and mandrel more precise; by providing the upper and lower fixed tooth assemblies, the ratchet and the mandrel can be better riveted in the narrow space of the frame assembly, and through the two riveting rods symmetrically arranged in the fixed tooth assembly, two ratchets on the mandrel can be riveted simultaneously when the pneumatic press presses down. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the connection structure of the fixing assembly and the fixed tooth assembly of the present invention.

[0017] Figure 3 It is an exploded view of the fixed tooth assembly of the present invention.

[0018] Figure 4 It is a schematic diagram of the spring connection structure of the present invention.

[0019] Figure 5 It is a schematic diagram of the structure of the fixing assembly of the present invention.

[0020] Figure 6 This is a schematic structural diagram of the pneumatic press of the present invention.

[0021] Figure 7 This is a schematic installation structure diagram of the ratchet, mandrel, wear-resistant sleeve and frame assembly of the present invention.

[0022] Figure 8 This is an exploded view of the ratchet, mandrel, wear-resistant sleeve and frame assembly of the present invention.

[0023] In the figure, 1 is a pneumatic press; 101 is a pneumatic press base; 102 is a punch head; 103 is a safety grating; 104 is a baffle; 105 is a start button; 106 is an emergency stop button; 107 is a base fixing screw; 2 is a riveting mechanism; 20 is a fixing component; 201 is a fixing base; 202 is a support plate; 203 is a first fixing screw; 204 is a main shaft; 205 is a bushing; 206 is a gasket; 207 is a snap ring; 208 is a limit block; 209 is a second fixing screw; 210 is a limit bolt; 30 is a fixed tooth component; 301 is a pressure plate; 302 is a transverse compression spring; 303 is a riveting rod; 304 is a slider; 305 is a pressing block; 3051 is a clamping block; 306 is a longitudinal compression spring; 307 is an inner cover plate; 308 is a fixing bolt; 309 is an outer cover plate; 310 is a screw; 311 is a lever; 312 is a slider chute; 313 is a pressing block chute; 314 is an inner cover plate groove; 315 is an outer cover plate groove; 316 is a reel clamping groove; 317 is a fixing column; 318 is a connecting through hole; 319 is a tooth; 320 is a lever chute; 411 is a spring; 5 is a ratchet; 6 is an opening; 7 is a riveting section; 8 is a mandrel; 9 is a mating groove; 10 is a wear-resistant sleeve; 11 is a frame assembly. Detailed implementation manners

[0024] As Figure 1 shown, the present invention provides a technical solution: an aviation seat belt ratchet reel riveting device, including: a pneumatic press 1 and a riveting mechanism 2, the riveting mechanism 2 is arranged in the pneumatic press 1, and the pneumatic press 1 is used to pressurize and fix the riveting mechanism 2.

[0025] As Figure 2 shown, the riveting mechanism 2 includes a fixing component 20 and two upper and lower fixed tooth components 30, the fixing component 20 is used to combine the two upper and lower fixed tooth components 30; the two upper and lower fixed tooth components 30 have the same structure and are relatively arranged in the fixing component 20; at the bottom of the upper fixed tooth component 30 and at the top of the lower fixed tooth component 30, teeth 319 are provided, and the two upper and lower fixed tooth components 30 are meshed with each other through the teeth 319.

[0026] The present invention can achieve precise positioning and fixation of the ratchet wheel 5 and the mandrel 8 through the upper and lower fixed tooth assemblies 30 provided. By pressing the upper and lower fixed tooth assemblies 30 with a pneumatic press 1, the upper and lower fixed tooth assemblies 30 can drive the ratchet wheel 5 and the mandrel 8 to be riveted simultaneously through the teeth 319, making the process of the riveted ratchet wheel 5 and mandrel 8 more precise.

[0027] As Figure 3 shown, the upper fixed tooth assembly 30 consists of a limit rotating seat at the tail and a pressing plate 301 arranged on the front of the limit rotating seat. A reel card slot 316 for fixing the mandrel 8 is arranged at the bottom of the front of the pressing plate 301. Riveting assemblies for fixing and riveting the ratchet wheel 5 and the mandrel 8 are arranged on both sides of the top of the front of the pressing plate 301. A limiting mechanism for limiting the riveting assemblies is also arranged on the pressing plate 301.

[0028] Among them, the riveting assembly includes an outer cover plate slot 315 arranged on the top of the front of the pressing plate 301. A slide block chute 312 is arranged at the bottom of the outer cover plate slot 315. Two slide blocks 304 are slidably arranged in the slide block chute 312. A riveting rod 303 is arranged at the outer end of each of the two slide blocks 304, and the two riveting rods 303 extend out of both ends of the slide block chute 312. A through hole is arranged at the inner end of each of the two slide blocks 304. A transverse compression spring 302 is arranged between the two through holes, and the two ends of the transverse compression spring 302 respectively extend into the through holes of the two slide blocks 304. A lever 311 is arranged on the front of each of the two slide blocks 304, and the lever 311 passes through the limiting mechanism to the front of the pressing plate 301.

[0029] Among them, an outer cover plate 309 is arranged on the outer cover plate slot 315, and a plurality of fixing screws 310 are arranged on the outer cover plate 309. Through the outer cover plate 309 and the fixing screws 310, sufficient supporting force can be provided for the riveting rod 303 when riveting the ratchet wheel 5 and the mandrel 8.

[0030] The limiting mechanism includes an inner cover plate groove 314, a pressure block slot 313 and a lever slot 320 which are sequentially arranged on the front of the pressure plate 301 from top to bottom, and the inner cover plate groove 314 and the pressure block slot 313 are interconnected, the pressure block slot 313 and the lever slot 320 are interconnected, the lever slot 320 and the slider slot 312 are interconnected, and the length of the lever slot 320 is less than the length of the slider slot 312, and the lever 311 passes through the lever slot 320 to the front of the pressure plate 301; the pressure block slot 313 is arranged to slide in the inner cover plate groove 314, and the pressure block slot 313 is arranged to slide in the inner cover plate groove 314. There is a pressure block 305, which slides up and down in the pressure block slide groove 313. A clamping block 3051 for clamping the lever 311 is arranged at the bottom of the pressure block 305. An inner cover plate 307 is arranged in the inner cover plate groove 314, and the inner cover plate 307 is fixed by fixing bolts 308. Through holes are arranged at the bottom of the inner cover plate 307 and the top of the pressure block 305. A longitudinal compression spring 306 is arranged between the inner cover plate 307 and the pressure block 305, and the two ends of the longitudinal compression spring 306 extend into the through holes of the inner cover plate 307 and the pressure block 305 respectively.

[0031] By pushing the two levers 311 inward, the slider 304 slides inward to compress the transverse compression spring 302, and the rivet rod 303 is received in the slider slot 312. When the two levers 311 slide in the lever slot 320 to the block 3051 at the bottom of the pressure block 305, the block 3051 clamps the lever 311, so that the slider 304 and the rivet rod 303 are limited; when the pressure block 305 is slid upward, the pressure block 305 compresses the longitudinal compression spring 306. At this time, the block 3051 moves upward under the drive of the pressure block 305 to release the lever 311, and the transverse compression spring 302 pushes the slider 304 to drive the rivet rod 303 to return to its original position; when the pressure block 305 is released, the longitudinal compression spring 306 pushes the pressure block 305 to drive the block 3051 to return to its original position, which is used for subsequent clamping of the lever 311.

[0032] The limited rotation seat includes a fixed column 317 , a connecting through hole 318 is arranged in the fixed column 317 , a gear 319 is arranged at the bottom of the fixed column 317 , and the front side of the fixed column 317 is connected to the rear end of the pressure plate 301 .

[0033] Since the upper and lower tooth-fixing components 30 have the same structure, the lower tooth-fixing component 30 will not be described in detail herein.

[0034] like Figure 4As shown, openings are provided at the bottom of the pressing plate 301 of the fixed tooth assembly 30 in the upper part and at the top of the pressing plate 301 of the fixed tooth assembly 30 in the lower part. A spring 411 is provided between the pressing plate 301 of the fixed tooth assembly 30 in the upper part and the pressing plate 301 of the fixed tooth assembly 30 in the lower part. The two ends of the spring 411 respectively extend into the openings of the pressing plate 301 of the fixed tooth assembly 30 in the upper part and the pressing plate 301 of the fixed tooth assembly 30 in the lower part. Through the spring 411, it can be reset after the pressing plates 301 of the upper and lower fixed tooth assemblies 30 are pressed together.

[0035] As Figure 5 shown, the fixing assembly 20 includes a fixing base 201. Support plates 202 are provided on both sides of the fixing base 201. Two horizontally arranged main shafts 204 are provided between the support plates 202. A limiting block 208 is provided at the top between the support plates 202. A vertically arranged limiting bolt 210 is provided at the center of the top of the limiting block 208. The fixing columns 317 of the upper and lower fixed tooth assemblies 30 are respectively installed on the two horizontally arranged main shafts 204 through connection through holes 318.

[0036] Among them, the support plates 202 are fixed to both sides of the fixing base 201 through a plurality of first fixing screws 203. The main shafts 204 are fixed between the support plates 202 through a shaft sleeve 205, a gasket 206 and a snap ring 207. The limiting block 208 is fixed between the support plates 202 through a plurality of second fixing screws 209.

[0037] As Figure 6 shown, the pneumatic press 1 is a prior art and is composed of a pneumatic press base 101, a press head 102, a safety grating 103, a baffle 104, a start button 105, an emergency stop button 106 and a base fixing screw 107. The fixing base 201 is installed on the pneumatic press base 101 through the base fixing screw 107, and the press head 102 is directly opposite to the pressing plate 301 of the upper fixed tooth assembly 30.

[0038] The overall riveting process of the ratchet 5 and the mandrel 8 is: As Figures 7 - 8As shown, multiple axially symmetrically arranged openings 6 are provided on the ratchet wheel 5, a riveting section 7 is provided below the opening 6, and a mating groove 9 corresponding to the riveting section 7 is provided on the mandrel 8. When riveting, first, the riveting assembly is limited by the limiting mechanism (the principle of the limiting mechanism refers to the above text), the riveting rod 303 is retracted into the slider chute 312, and then the mandrel 8 is placed in the drum card slot 316 on the upper and lower fixed tooth assemblies 30. After completion, the limiting mechanism is released, and the riveting rod 303 slides out and is inserted into the opening 6 of the ratchet wheel 5 on the mandrel 8 to complete the positioning of the ratchet wheel 5. Subsequently, the pneumatic press 1 is started, and the pressure head 102 pressurizes the pressure plate 301 of the upper fixed tooth assembly 30. Under the meshing of the gear teeth 319, the two pressure plates 301 drive the riveting assembly to pressurize inward, and the riveting rod 303 presses the riveting section 7 into the mating groove 9 on the mandrel 8. After completion, the pneumatic press 1 is turned off, and the pressure plates 301 of the upper and lower fixed tooth assemblies 30 are reset under the action of the spring 411. At this time, the riveting assembly is limited by the limiting mechanism again (the principle of the limiting mechanism is shown above), the riveting rod 303 is retracted into the slider chute 312, and the mandrel 8 is rotated in the drum card slot 316, and then the above operation is repeated to press the other riveting sections 7 on the ratchet wheel 5 into the corresponding mating grooves 9 on the mandrel 8 until all the riveting sections 7 are pressed into the mating grooves 9 to complete the riveting of the ratchet wheel 5 and the mandrel 8.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aviation seat belt ratchet drum riveting device, characterized in that Comprising: A pneumatic press (1) and a riveting mechanism (2); the riveting mechanism (2) is arranged inside the pneumatic press (1), and the pneumatic press (1) is used to apply pressure to fix the riveting mechanism (2); the riveting mechanism (2) includes a fixing component (20) and two upper and lower tooth-fixing components (30), and the fixing component (20) is used to combine the two upper and lower tooth-fixing components (30); the two upper and lower tooth-fixing components (30) have the same structure and are oppositely arranged inside the fixing component (20); tooth gears (319) are arranged at the bottom of the upper tooth-fixing component (30) and the top of the lower tooth-fixing component (30), and the two upper and lower tooth-fixing components (30) are meshed with each other through the tooth gears (319).

2. The ratchet drum riveting device for an aviation safety belt according to claim 1, wherein: The upper tooth-fixing component (30) is composed of a limiting rotary seat at the tail and a pressing plate (301) arranged on the front of the limiting rotary seat. A reel card slot (316) is arranged at the bottom of the front of the pressing plate (301), riveting components are arranged on both sides of the top of the front of the pressing plate (301), and a limiting mechanism is also arranged on the pressing plate (301).

3. The ratchet drum riveting device for an aviation seat belt according to claim 2, characterized in that: The riveting component includes an outer cover plate slot (315) arranged at the top of the front of the pressing plate (301). A slide block chute (312) is arranged at the bottom of the outer cover plate slot (315). Two slide blocks (304) are slidably arranged in the slide block chute (312). A riveting rod (303) is arranged at the outer end of each of the two slide blocks (304), and the two riveting rods (303) extend out of both ends of the slide block chute (312). A through hole is arranged at the inner end of each of the two slide blocks (304). A transverse compression spring (302) is arranged between the two through holes, and the two ends of the transverse compression spring (302) respectively extend into the through holes of the two slide blocks (304); a shift lever (311) is arranged on the front of each of the two slide blocks (304), and the shift lever (311) passes through the limiting mechanism and extends to the front of the pressing plate (301); an outer cover plate (309) is arranged on the outer cover plate slot (315).

4. The ratchet drum riveting device for an aviation seat belt according to claim 3, wherein: The limiting mechanism includes an inner cover plate groove (314), a pressure block sliding groove (313), and a lever sliding groove (320) that are sequentially arranged on the front surface of the pressure plate (301) from top to bottom. The inner cover plate groove (314) and the pressure block sliding groove (313) communicate with each other, and the pressure block sliding groove (313) and the lever sliding groove (320) communicate with each other. The lever sliding groove (320) and the slider sliding groove (312) communicate with each other, and the length of the lever sliding groove (320) is less than the length of the slider sliding groove (312). The lever (311) passes through the lever sliding groove (320) and extends to the front surface of the pressure plate (301). A pressure block (305) is slidably arranged in the pressure block sliding groove (313). The pressure block (305) slides up and down in the pressure block sliding groove (313). A clamping block (3051) for clamping the lever (311) is arranged at the bottom of the pressure block (305). An inner cover plate (307) is arranged in the inner cover plate groove (314), and the inner cover plate (307) is fixed by a fixing bolt (308). Through holes are arranged at the bottom of the inner cover plate (307) and the top of the pressure block (305). A longitudinal compression spring (306) is arranged between the inner cover plate (307) and the pressure block (305). The two ends of the longitudinal compression spring (306) respectively extend into the through holes of the inner cover plate (307) and the pressure block (305).

5. The ratchet drum riveting device for an aviation safety belt according to claim 4, wherein: The limiting rotating seat includes a fixed column (317). A connecting through hole (318) is arranged in the fixed column (317). Gear teeth (319) are arranged at the bottom of the fixed column (317). The front surface of the fixed column (317) is connected to the tail end of the pressure plate (301).

6. The ratchet drum riveting device for an aviation safety belt according to claim 5, wherein: Open holes are arranged at the bottom of the pressure plate (301) of the upper fixed tooth assembly (30) and the top of the pressure plate (301) of the lower fixed tooth assembly (30). A spring (411) is arranged between the pressure plate (301) of the upper fixed tooth assembly (30) and the pressure plate (301) of the lower fixed tooth assembly (30). The two ends of the spring (411) respectively extend into the open holes of the pressure plate (301) of the upper fixed tooth assembly (30) and the pressure plate (301) of the lower fixed tooth assembly (30).

7. An aviation seat belt ratchet drum riveting device according to claim 6, characterized in that: The fixing component (20) includes a fixed base (201). Support plates (202) are arranged on both sides of the fixed base (201). Two horizontally arranged main shafts (204) are arranged between the support plates (202). A limiting block (208) is arranged at the top between the support plates (202). A vertically arranged limiting bolt (210) is arranged at the center of the top of the limiting block (208). The fixed columns (317) of the upper and lower fixed tooth assemblies (30) are respectively installed on the two horizontally arranged main shafts (204) through the connecting through holes (318).

8. An aircraft seat belt ratchet drum riveting device according to claim 7, characterized in that: The support plates (202) are fixed to both sides of the fixed base (201) by a plurality of first fixing screws (203). The main shafts (204) are fixed between the support plates (202) through a shaft sleeve (205), a gasket (206), and a snap ring (207). The limiting block (208) is fixed between the support plates (202) by a plurality of second fixing screws (209).

Images