High-strength aviation gear with efficient protection

Abstract

The utility model relates to a high-strength aviation gear with efficient protection, comprising a gear body, an outer wall of the gear body having teeth distributed circumferentially, an axial groove being provided at the center of the gear body, a connecting shaft being placed in the axial groove, the connecting shaft not fitting with the inner wall of the gear body, an axial hole being provided at the center of the connecting shaft, a protective cover being sleeved on the outer wall of the gear body and the teeth, the side of the protective cover away from the teeth extending toward the front and rear side walls of the gear body, a plurality of clamping assemblies being provided on the front and rear side walls of the side of the protective cover facing the teeth, the side of the protective cover facing the gear body being connected by a plurality of first bolts, the inner wall of the gear body being connected to the outer wall of the connecting shaft by a rebound assembly, the utility model increases the wear resistance and service life of the gear by arranging the protective cover on the outer wall of the gear body and the outer side of the teeth, increases the fitting degree with the teeth by the clamping assembly, and reduces the impact force caused by the operation of the outer side of the gear by arranging the rebound assembly, thereby increasing the service life of the gear.

Description

Technical Field

[0001] The utility model belongs to the technical field of aviation gears, and in particular relates to high-strength aviation gears with efficient protection. Background Art

[0002] Gears are wheel-shaped mechanical parts that transmit torque by meshing teeth. Gears can achieve functions such as changing speed and torque, changing movement direction and changing movement form by combining with other tooth-shaped mechanical parts (such as another gear, rack, worm). Gear mechanisms are widely used in industrial products due to their advantages such as high transmission efficiency, accurate transmission ratio and wide power range. Their design and manufacturing level can directly affect the quality of industrial products.

[0003] In the process of implementing this application, the inventors found that there are at least the following problems in this technology: the outer wall of existing aviation gears is prone to wear, which affects the life of the gears, and vibrations are generated when the gears are in operation. Excessive vibrations can easily cause gear damage; therefore, further improvements can be made. Utility Model Content

[0004] In view of the problem that the outer wall of existing aviation gears in the background technology is easy to wear and affects the life of the gear, and vibration is generated when the gear is in operation, and excessive vibration can easily cause gear damage, the present application provides a high-strength aviation gear with efficient protection. The utility model increases the wear resistance and life of the gear by providing a protective cover on the outer wall of the gear body and the outside of the teeth, and increases the fit with the teeth through a clamping component, and provides a rebound component to alleviate the impact force caused by the operation of the outer side of the gear, thereby increasing the service life of the gear.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] A high-strength aviation gear with efficient protection comprises a gear body, wherein the outer wall of the gear body is circumferentially distributed with teeth, an axial groove is provided at the center of the gear body, a connecting shaft which is concentric with the gear body is placed in the axial groove, the connecting shaft is not in contact with the inner wall of the gear body, an axial hole is provided at the center of the connecting shaft, a protective cover is sleeved on the teeth and the outer wall of the gear body, the side of the protective cover away from the teeth extends toward the front and rear side walls of the gear body, a plurality of clamping components are provided on the front and rear side walls of the protective cover facing the teeth, the side of the protective cover facing the gear body is connected by a plurality of first bolts, and the inner wall of the gear body and the outer wall of the connecting shaft are connected by a rebound component.

[0007] Furthermore, the clamping assembly includes a clamping column arranged on the front and rear side walls of the protective cover facing the teeth, a cavity is arranged inside the clamping column, a side of the cavity away from the protective cover is a "V"-shaped spring sheet, the spring sheet opening faces the protective cover, an opening is arranged on the outer side wall of the clamping column, a clamping block is arranged on the side of the spring sheet facing the opening, plug-in grooves for accommodating the corresponding clamping column to be plugged in are arranged on the front and rear side walls of the teeth, a first spring pressed by the clamping column and the plug-in groove is arranged on the side of the clamping column facing the plug-in groove, a groove connected to the plug-in groove is arranged on the side of the tooth corresponding to the plug-in groove, and the groove and the opening correspond to each other and can accommodate the plug-in of the clamping block.

[0008] Furthermore, the rebound assembly includes a plurality of protrusions distributed circumferentially on one side of the gear body toward the connecting shaft, the connecting shaft is provided with a receiving groove corresponding to the protrusion, a telescopic rod connected to the protrusion and the connecting shaft is provided inside the receiving groove, a second spring is sleeved on the telescopic rod, the top end of the telescopic rod is embedded in the bottom of the protrusion, the top end of the telescopic rod is embedded in the connecting shaft, and the top and bottom of the telescopic rod are both provided with second bolts connected to the protrusion and the connecting shaft.

[0009] Furthermore, a plurality of reinforcing ribs are spaced apart and arranged front and rear on the outer side wall of the tooth.

[0010] Furthermore, at least one circle of annular reinforcing plates is provided on the front and rear side walls of the connecting shaft, the reinforcing plates are cocentric with the connecting shaft, and the reinforcing plates and the connecting shaft are connected by a plurality of third bolts distributed circumferentially.

[0011] Furthermore, a plurality of sound-absorbing cottons are embedded inside the connecting shaft.

[0012] The beneficial effects of the utility model are:

[0013] 1. Sleeve the protective cover along the outer wall of the teeth and the gear body, dock the clamping column with the plug-in groove, push the first spring of the clamping column to compress until the opening corresponds to the groove, and the clamping block is pushed from the opening to the groove due to the elasticity of the spring sheet for quick clamping, thereby increasing the fit between the protective cover and the teeth. Finally, connect the protective cover and the gear body with the first bolt to increase the connection and stability between the protective cover, the gear body and the teeth.

[0014] 2. When the gear rotates and generates vibration, the telescopic rod and the second spring are affected by the impact force and expand and rebound, playing a certain buffering and rebound role, preventing the gear from being damaged by excessive impact force.

[0015] 3. Set up reinforcing ribs and reinforcing plates to increase the strength of the gears and prevent the gears from being affected by long operation time. The worn reinforcing plates can be replaced by the third bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The foregoing and other objects, features and advantages of the present invention will become apparent from the following detailed description in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0019] Figure 3 It is a partial enlarged view of point A of the utility model.

[0020] Among them: 1. gear body; 2. teeth; 3. shaft groove; 4. connecting shaft; 5. shaft hole; 6. protective cover; 7. snap-in assembly; 701. snap-in column; 702. cavity; 703. spring; 704. opening; 705. snap-in block; 706. plug-in slot; 707. first spring; 708. groove; 8. first bolt; 9. rebound assembly; 901. protrusion; 902. receiving slot; 903. telescopic rod; 904. second spring; 905. second bolt; 10. reinforcing rib; 11. reinforcing plate; 12. third bolt; 13. sound-absorbing cotton. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings.

[0022] Example 1, reference Figure 1-2The utility model includes a gear body 1, wherein teeth 2 are distributed on the circumference of the outer wall of the gear body 1, and a protective cover 6 is sleeved on the outer wall of the teeth 2 and the gear body 1, and the side of the protective cover 6 away from the teeth 2 extends toward the front and rear side walls of the gear body 1, and the front and rear side walls of the protective cover 6 facing the teeth 2 are both provided with a plurality of clamping components 7 for connection, and the side of the protective cover 6 facing the gear body 1 is connected by a plurality of first bolts 8, and the clamping component 7 includes a clamping column 701 arranged on the front and rear side walls of the protective cover 6 facing the teeth 2, and a cavity 702 is arranged inside the clamping column 701, and a "V"-shaped spring piece 703 is arranged on the side of the cavity 702 away from the protective cover 6, and an opening 704 of the spring piece 703 faces the protective cover 6, and an opening 704 is arranged on the outer wall of the clamping column 701, and a clamping block 705 is arranged on the side of the spring piece 703 facing the opening 704, and a corresponding clamping column 701 is inserted into the front and rear side walls of the teeth 2. When the tooth 2 is in the state of being moved along the cam 720, the tooth 2 is in the state of being moved along the cam 720, and the tooth 2 is in the state of being moved along the cam 720. When the tooth 2 is in the state of being moved along the cam 720, the tooth 2 is in the state of being moved along the cam 720.

[0023] Reference Figure 1 and Figure 3 The center of the gear body 1 is provided with an axial groove 3, a connecting shaft 4 which is coaxial with the gear body 1 is placed in the axial groove 3, the connecting shaft 4 is not in contact with the inner wall of the gear body 1, an axial hole 5 is provided at the center of the connecting shaft 4, the inner wall of the gear body 1 and the outer wall of the connecting shaft 4 are connected by a rebound component 9, the rebound component 9 includes a plurality of protrusions 901 distributed circumferentially on one side of the gear body 1 facing the connecting shaft 4, a receiving groove 902 corresponding to the protrusion 901 is provided on the connecting shaft 4, and a protrusion 901 is provided inside the receiving groove 902 A telescopic rod 903 connected to the connecting shaft 4, a second spring 904 is sleeved on the telescopic rod 903, the top of the telescopic rod 903 is embedded in the bottom of the protrusion 901, the top of the telescopic rod 903 is embedded in the inside of the connecting shaft 4, and second bolts 905 are provided at the top and bottom of the telescopic rod 903 to connect with the protrusion 901 and the connecting shaft 4. When the gear rotates and vibrates, the telescopic rod 903 and the second spring 904 are subjected to the impact force to expand and rebound, which plays a certain buffering and rebound role, and prevents the gear from being damaged by excessive impact force.

[0024] Reference Figure 1 A plurality of front and rear reinforcing ribs 10 are arranged at intervals on the outer wall of the tooth 2, and at least one circle of annular reinforcing plates 11 are arranged on the front and rear side walls of the connecting shaft 4. The reinforcing plates 11 are cocentric with the connecting shaft 4, and the reinforcing plates 11 and the connecting shaft 4 are connected by a plurality of third bolts 12 distributed around the circumference. The reinforcing ribs 10 and the reinforcing plates 11 are arranged to increase the strength of the gear and prevent the gear from being affected by the long operation time. The worn reinforcing plates 11 can be replaced by the third bolts 12.

[0025] Example 2, reference Figure 1 A plurality of sound-absorbing cottons 13 are embedded inside the connecting shaft 4 to absorb the noise generated by the operation of the gears, which is more environmentally friendly.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. High-strength aviation gear with high efficiency protection, characterized by: It includes a gear body, the outer wall of the gear body is circumferentially distributed with teeth, the center of the gear body is provided with an axial groove, a connecting shaft with the same center as the gear body is placed in the axial groove, the connecting shaft is not in contact with the inner wall of the gear body, an axial hole is provided at the center of the connecting shaft, a protective cover is sleeved on the teeth and the outer wall of the gear body, the side of the protective cover away from the teeth extends toward the front and rear side walls of the gear body, a plurality of clamping components are provided on the front and rear side walls of the protective cover facing the teeth, the side of the protective cover facing the gear body is connected by a plurality of first bolts, and the inner wall of the gear body and the outer wall of the connecting shaft are connected by a rebound component.

2. The high-strength aviation gear with high efficiency protection according to claim 1, characterized in that: The clamping assembly includes a clamping column arranged on the front and rear side walls of the protective cover facing the teeth, a cavity is arranged inside the clamping column, and the side of the cavity away from the protective cover is a "V"-shaped spring sheet, the spring sheet opening faces the protective cover, an opening is arranged on the outer wall of the clamping column, a clamping block is arranged on the side of the spring sheet facing the opening, and plug-in grooves for accommodating the corresponding clamping column to be inserted into the front and rear side walls of the teeth are arranged, a first spring pressed by the clamping column and the plug-in groove is arranged on the side of the clamping column facing the plug-in groove, a groove connected to the plug-in groove is arranged on the side of the tooth corresponding to the plug-in groove, and the groove and the opening correspond to each other and can accommodate the plug-in of the clamping block.

3. The high-strength aviation gear with high efficiency protection according to claim 1, characterized in that: The rebound assembly includes a plurality of protrusions distributed circumferentially on one side of the gear body toward the connecting shaft, the connecting shaft is provided with a receiving groove corresponding to the protrusion, a telescopic rod connected to the protrusion and the connecting shaft is provided inside the receiving groove, a second spring is sleeved on the telescopic rod, the top end of the telescopic rod is embedded in the bottom of the protrusion, the top end of the telescopic rod is embedded in the connecting shaft, and second bolts are provided at the top and bottom of the telescopic rod to connect with the protrusion and the connecting shaft.

4. The high-strength aviation gear with high efficiency protection according to claim 1, characterized in that: A plurality of reinforcing ribs arranged front and back are spaced apart and distributed on the outer side wall of the tooth.

5. The high-strength aviation gear with high efficiency protection according to claim 1, characterized in that: At least one circle of annular reinforcing plates is provided on the front and rear side walls of the connecting shaft. The reinforcing plates are cocentric with the connecting shaft. The reinforcing plates and the connecting shaft are connected by a plurality of third bolts distributed around the circumference.

6. The high-strength aviation gear with high efficiency protection according to claim 1, characterized in that: A plurality of sound-absorbing cottons are inlaid inside the connecting shaft.

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