Automobile transmission shaft protection device
By designing the vehicle transmission shaft protection device, including protective belts and support structures, the problem of vibration and failure of the transmission shaft under complex loads is solved, effective protection of the transmission shaft and fault warning are achieved, and the safety of the vehicle is improved. reliability.
Patent Information
- Application Number
- CN202420933936.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The automobile transmission shaft is prone to vibration, fatigue cracks and faults under high-speed rotation and complex dynamic loads, resulting in power interruption and safety hazards.
Design a vehicle transmission shaft protection device, including a protective belt and a support structure, which is wrapped around the transmission shaft. The support structure consists of a connecting bracket, a suspension hole shaft and shock absorbing components, which are used to fix the protective belt and absorb vibration, and are equipped with torque. Sensors and alarm devices for real-time monitoring and early warning.
Effectively prevent the transmission shaft from being damaged by external factors, bear the fallen parts, reduce vibration and impact forces, extend the life of the parts, promptly warn of failures, and improve the safety and reliability of the transmission shaft.
Smart Images
Figure CN222473917U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile transmission shafts, in particular to an automobile transmission shaft protection device. Background Art
[0002] As a key component connecting the engine and the drive wheels, the automotive drive shaft is responsible for transmitting the power generated by the engine from the transmission or transfer case to the rear wheels. The drive shaft is subjected to high-speed rotation, high torque transmission, and complex dynamic loads caused by bumps and turns on the road during vehicle driving. Ensuring the reliable operation of the drive shaft is essential to maintaining the normal operation of the vehicle power system. Its working environment is complex. It not only needs to withstand various mechanical stresses, but may also be affected by factors such as vibration, impact, temperature changes, and corrosion. When the drive shaft rotates at high speed, any slight mass eccentricity will generate a large centrifugal force, resulting in increased vibration, affecting the vehicle's driving stability and component life. Long-term exposure to alternating stress may cause fatigue cracks in the drive shaft material. If not controlled, the cracks will gradually expand and may eventually cause the drive shaft to break. Drive shaft failure, especially breakage or detachment, will not only cause power interruption and make the vehicle lose its ability to drive, but may also cause serious traffic accidents. Sudden failure of the drive shaft during high-speed driving may cause the vehicle to lose control, posing a serious threat to passengers and other people on the road. Therefore, from the perspective of traffic safety, effective measures must be taken to prevent drive shaft failures. In summary, the design and application of automobile transmission shaft protection devices need to ensure efficient and stable power transmission to cope with complex dynamic loads and working environments. Reduce vibration, improve ride comfort and component life. Meet protection requirements under different working conditions and ensure reliable operation of the automobile transmission system. Utility Model Content
[0003] The utility model aims to solve one of the technical problems of automobile transmission shaft protection at least to a certain extent. To this end, the utility model provides an automobile transmission shaft protection device.
[0004] The technical solution adopted by the utility model to solve its technical problems is: a vehicle transmission shaft protection device, which specifically includes a protection belt and a support structure, wherein the protection belt is wrapped around the transmission shaft and is arranged at the front end of the dynamic spline shaft, and the support structure is used to fix the protection belt and keep it in a predetermined position, and can effectively receive the falling parts when the transmission shaft fails, and the support structure includes a connecting bracket, a hanging hole shaft and a shock absorbing component, the connecting bracket is arranged around the hanging hole shaft, the hanging hole shaft is arranged on one side of the protection belt, the shock absorbing component is connected around the connecting bracket, and a quick disassembly interface is arranged on the side of the connecting bracket.
[0005] In a preferred embodiment of the present invention, a torque sensor is disposed on the side of the support structure for real-time monitoring of the working status of the transmission shaft.
[0006] In a preferred embodiment of the present invention, the torque sensor is connected to an alarm device, which includes a dashboard warning light and an on-board information system to promptly notify the driver of potential faults.
[0007] In a preferred embodiment of the utility model, a protective groove is convexly provided on the outer periphery of the suspension hole shaft, the outer diameter of the protective groove gradually increases in a direction away from the connecting bracket, and the axial cross-section of the outer peripheral surface of the protective groove is a straight line.
[0008] In a preferred embodiment of the utility model, the shock absorbing component includes a shock absorbing gasket and an anti-wear bushing, the anti-wear bushing is sleeved on one side of the suspension hole shaft, and the shock absorbing gasket is arranged between the anti-wear bushing and the suspension hole shaft.
[0009] The beneficial effects of the utility model are as follows: after adopting the above structure, the protective belt is wrapped and covered on the transmission shaft, especially arranged at the key position of the front end of the dynamic spline shaft, which can effectively prevent the invasion of foreign objects, wear or corrosion. At the same time, when the transmission shaft fails, such as parts break or loosen, the protective belt can play a bearing and barrier role to prevent the falling parts from splashing and causing further damage or safety hazards. The support structure ensures that the protective belt is firmly fixed in the predetermined position through the coordinated work of the connecting bracket, the suspension hole shaft and the shock-absorbing component, and will not shift or loosen due to driving vibration. The design of the suspension hole shaft and the shock-absorbing component helps to absorb and disperse the vibration and impact force generated during the operation of the transmission shaft, reduce the mechanical stress on the transmission system and surrounding components, and extend its service life; the equipped torque sensor can monitor the working status of the transmission shaft in real time, including indicators such as torque changes and abnormal vibrations, and capture potential fault signals in time. The protection groove design on the outer periphery of the suspension hole shaft has an outer diameter that gradually increases in the direction away from the connecting bracket and has a straight cross-section. This structure is conducive to dispersing stress and enhancing the torsional resistance and fatigue resistance of the suspension hole shaft. In summary, the automobile drive shaft protection device of the utility model integrates multiple functions such as protection, stability, monitoring, early warning, easy maintenance and structural optimization, which significantly improves the safety, reliability and maintenance convenience of the drive shaft, and is of great significance to reducing vehicle operation risks, extending the life of the transmission system and improving overall operational efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0011] Figure 2 It is a partial structural schematic diagram of the utility model;
[0012] In the figure: 1-protective belt, 2-connecting bracket, 3-suspension hole shaft, 4-quick disassembly interface, 5-torque sensor, 6-protection groove, 7-shock-absorbing gasket, 8-anti-wear bushing. DETAILED DESCRIPTION
[0013] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0014] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0015] like Figure 1 and Figure 2As shown, a vehicle transmission shaft protection device, the vehicle transmission shaft protection device specifically includes a protection belt 1 and a support structure, the protection belt 1 is wrapped and covered on the transmission shaft, and is arranged at the front end of the dynamic spline shaft, the support structure is used to fix the protection belt 1 and keep it in a predetermined position, and can effectively receive the fallen parts when the transmission shaft fails, the support structure includes a connecting bracket 2, a suspension hole shaft 3 and a shock absorbing component, the connecting bracket 2 is arranged around the suspension hole shaft 3, the suspension hole shaft 3 is arranged on one side of the protection belt 1, the shock absorbing component is connected around the connecting bracket 2, and a quick disassembly interface 4 is arranged on the side of the connecting bracket 2. In implementation, the protection belt 1: The protection belt is directly wrapped and covered on the transmission shaft, providing the first layer of physical protection. Its main function is to prevent the transmission shaft from being damaged by external factors (such as splashing sand and gravel, collision, etc.), and it can also effectively receive the fallen parts when the transmission shaft fails to prevent it from further damaging other parts of the vehicle. The support structure is used to fix the protection belt 1 and ensure that it remains in a predetermined position. It consists of a connecting bracket 2, a suspension hole shaft 3 and a shock absorbing component, which work together to provide stable support and protection. The connecting bracket 2 is the main frame of the supporting structure. It is set around the suspension hole axis and plays a role of fixing and supporting. The quick disassembly interface 4 set on its side makes installation and disassembly more convenient and quick; the suspension hole axis 3 is used to connect and support the protective belt to ensure its stable position.
[0016] like Figure 1 As shown, on the basis of the above method, a torque sensor 5 is further arranged on the side of the support structure for real-time monitoring of the working state of the transmission shaft. During implementation, the torque sensor 5 can timely detect potential faults, monitor the working state of the transmission shaft in real time, and provide accurate data support for fault warning and diagnosis. Real-time monitoring of the torque change of the transmission shaft can identify abnormal working conditions early to prevent major faults from occurring. By linking with the alarm device, the driver can be reminded to pay attention to and deal with potential problems in a timely manner to ensure the safety of vehicle operation.
[0017] like Figure 1 As shown, based on the above method, the torque sensor 5 is further connected to an alarm device, which includes a dashboard warning light and a vehicle information system to promptly notify the driver of potential faults.
[0018] like Figure 1As shown, on the basis of the above method, a protective groove 6 is convexly provided on the outer periphery of the suspension hole shaft 3, and the outer diameter of the protective groove 6 gradually increases in the direction away from the connecting bracket 2, and the axial section of the outer peripheral surface of the protective groove 6 is a straight line. During implementation, the gradually enlarged outer diameter design of the protective groove 6 is conducive to guiding sand and gravel and other debris to slide outward to avoid their accumulation around the suspension hole shaft, reducing the wear on the transmission shaft and the protective device, and the straight axial section has a simple structure and is easy to process and manufacture, while reducing wind resistance, improving aerodynamic performance, protecting the suspension hole shaft from sand and gravel and other debris, and extending its service life.
[0019] like Figure 1 As shown, on the basis of the above method, the shock absorbing component includes a shock absorbing gasket 7 and an anti-wear bushing 8, the anti-wear bushing 8 is sleeved on one side of the suspension hole shaft 3, and the shock absorbing gasket 7 is arranged between the anti-wear bushing 8 and the suspension hole shaft 3. In the implementation, the shock absorbing component includes the shock absorbing gasket 7 and the anti-wear bushing 8, and the main function is to reduce the vibration and impact generated by the transmission shaft during operation, and protect the transmission shaft and related components from damage. The shock absorbing gasket is located between the anti-wear bushing and the suspension hole shaft, which can effectively absorb vibration and reduce noise. The anti-wear bushing is sleeved on one side of the suspension hole shaft to prevent wear caused by friction.
[0020] In the specific working process of the new automobile transmission shaft protection device, first, the protection belt 1 is directly wrapped and covered on the transmission shaft, providing the first layer of physical protection. It can effectively prevent the transmission shaft from being damaged by external factors (such as splashing sand and gravel, collision, etc.). At the same time, when the transmission shaft fails, the protection belt 1 can also effectively receive the fallen parts to prevent it from further damaging other parts of the vehicle. The support structure is used to fix the protection belt 1 and ensure that it remains in the predetermined position. The connecting bracket 2 is the main frame of the support structure and is arranged around the suspension hole shaft 3 to play a role of fixing and supporting. The suspension hole shaft 3 is used to connect and support the protection belt to ensure its stable position. At the same time, the torque sensor 5 arranged on the side of the support structure monitors the working state of the transmission shaft in real time, can detect potential faults in time, and provide accurate data support for fault warning and diagnosis. When the transmission shaft is working, the vibration and impact generated will be absorbed and reduced by the shock-absorbing component. The shock-absorbing gasket 7 is located between the anti-wear bushing 8 and the suspension hole shaft 3, which can effectively absorb vibration and reduce noise. The anti-wear bushing 8 is sleeved on one side of the suspension hole shaft 3 to prevent wear caused by friction. In addition, a protective groove 6 is convexly provided on the outer periphery of the suspension hole shaft 3, and its gradually enlarging outer diameter design is conducive to guiding sand and gravel and other debris to slide outward, avoiding their accumulation around the suspension hole shaft, and reducing the wear on the drive shaft and the protective device. The linear axial cross-section structure of the protective groove 6 is simple and easy to process and manufacture, while reducing wind resistance and improving aerodynamic performance. If the torque sensor 5 detects that the working state of the drive shaft is abnormal, it will connect to an alarm device, such as a dashboard warning light or an on-board information system, to promptly notify the driver of potential faults so that the driver can pay attention and deal with them in time. In summary, the new automobile drive shaft protection device achieves effective protection and fault warning of the drive shaft through the coordinated work of components such as the protective belt, the support structure, the torque sensor and the shock absorbing component, thereby improving the safety and reliability of the vehicle.
[0021] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0022] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.
Claims
1. A vehicle transmission shaft protection device, characterized in that: The automobile transmission shaft protection device specifically includes a protection belt and a support structure. The protection belt is wrapped around the transmission shaft and arranged at the front end of the dynamic spline shaft. The support structure is used to fix the protection belt and keep it in a predetermined position, and can effectively receive the fallen parts when the transmission shaft fails. The support structure includes a connecting bracket, a hanging hole shaft and a shock absorbing component. The connecting bracket is arranged around the hanging hole shaft, and the hanging hole shaft is arranged on one side of the protection belt. The shock absorbing component is connected around the connecting bracket, and a quick disassembly interface is arranged on the side of the connecting bracket.
2. The automobile transmission shaft protection device according to claim 1, characterized in that: A torque sensor is arranged on the side of the support structure for real-time monitoring of the working state of the transmission shaft.
3. The automobile transmission shaft protection device according to claim 2, characterized in that: The torque sensor is connected to an alarm device, which includes a dashboard warning light and an onboard information system to promptly notify the driver of potential faults.
4. The automobile transmission shaft protection device according to claim 1, characterized in that: A protective groove is convexly provided on the outer periphery of the suspension hole shaft, the outer diameter of the protective groove gradually increases in a direction away from the connecting bracket, and the axial section of the outer peripheral surface of the protective groove is a straight line.
5. The automobile transmission shaft protection device according to claim 1, characterized in that: The shock absorbing component comprises a shock absorbing gasket and an anti-wear bushing, the anti-wear bushing is sleeved on one side of the suspension hole shaft, and the shock absorbing gasket is arranged between the anti-wear bushing and the suspension hole shaft.