Waist drum type transmission shaft sleeve

Abstract

The utility model provides a waist drum type transmission shaft sleeve which comprises a waist drum type shaft sleeve body and a synchronizing wheel, the shaft sleeve body is of a hyperbolic curve transition section variable cross-section structure, flange connecting ends are arranged at the two ends of the shaft sleeve body, the synchronizing wheel and one end of the shaft sleeve body are integrally formed, and the synchronizing wheel is a toothed synchronizing wheel. The shaft sleeve has the advantages that the shaft sleeve body is in the waist drum shape and is of the hyperbolic curve variable cross section, in the operation process, by means of the unique variable cross section structure, the shaft sleeve can be stressed more evenly, and the deviation prevention function is effectively achieved by automatically adjusting radial force distribution; the diameter ratio of the shaft sleeve main body is optimized, so that the weight is reduced and the performance is improved; the flange connecting end is communicated with the weight reducing groove, and the taper guide surface is convenient to install; and the shaft sleeve main body and the synchronizing wheel are made of aluminum alloy materials and are subjected to anodic oxidation treatment, so that the weight is reduced, and the wear resistance and the corrosion resistance are improved.

Description

Technical Field

[0001] This utility model mainly relates to the field of bushing technology, specifically to a waist drum-shaped transmission bushing. Background Technology

[0002] In the field of mechanical transmission, traditional transmission bushings are generally cylindrical in structure. During operation, due to uneven force, the bushing is prone to deviation, which not only affects the transmission accuracy but also accelerates the wear of the bushing and shortens its service life.

[0003] Traditional drive bushings often manufacture the synchronous pulley and bushing body separately, which not only makes the assembly process complex and results in large assembly errors, but also affects the accuracy and efficiency of power transmission. In addition, the existing bushings fail to balance lightweight and structural strength in their design, making it difficult to meet the requirements of energy saving and consumption reduction. Even if some bushings have weight-reduction structures, their heat dissipation and lubrication effects are poor, and they lack protective measures, making them extremely easy to be damaged under harsh working conditions, which greatly affects the stable operation of the equipment.

[0004] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0005] 1. The technical problem to be solved by the utility model:

[0006] This utility model provides a waist drum-shaped transmission shaft sleeve to solve the technical problems existing in the background art.

[0007] 2. Technical Solution:

[0008] To achieve the above objectives, the technical solution provided by this utility model is as follows: a waist drum-shaped transmission shaft sleeve, comprising a waist drum-shaped shaft sleeve body and a synchronous wheel, wherein the shaft sleeve body is a hyperbolic transition section variable cross-section structure, and the two ends of the shaft sleeve body have flange connection ends, the synchronous wheel is integrally formed with one end of the shaft sleeve body, and the synchronous wheel is a toothed synchronous wheel.

[0009] Furthermore, the main body of the bushing is shaped like a waist drum, with a maximum diameter D1 in the middle and a minimum diameter D2 at both ends, forming a diameter ratio R, and 1.00≤R=D1 / D2≤1.03.

[0010] Furthermore, the bushing body has an axial weight-reducing groove inside, and the axial weight-reducing groove is a straight groove.

[0011] Furthermore, the two flange connection ends are connected to both ends of the axial weight reduction groove, the inner diameter of the flange connection end is larger than the inner diameter of the axial weight reduction groove, and the flange connection end has a tapered guide surface.

[0012] Furthermore, the synchronizing pulley is coaxial with the bushing body, and the synchronizing pulley adopts an involute tooth shape.

[0013] Furthermore, the bushing body and the synchronous pulley are made of aluminum alloy and their surfaces are anodized.

[0014] 3. Beneficial effects:

[0015] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0016] The bushing body is shaped like a waist drum and has a hyperbolic variable cross section. During operation, thanks to its unique variable cross section structure, the bushing can be subjected to more uniform force. By automatically adjusting the radial force distribution, it can effectively achieve the function of preventing deviation.

[0017] The diameter ratio of the bushing body has been optimized, which reduces weight and improves performance; the flange connection end is connected to the weight reduction groove, and its tapered guide surface facilitates installation.

[0018] The bushing body and the timing pulley are made of aluminum alloy and anodized, which not only makes them lightweight but also improves their wear resistance and corrosion resistance.

[0019] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the overall structure of this utility model.

[0022] Figure label:

[0023] 1. Bushing body; 2. Synchronous pulley; 3. Flange connection end; 4. Axial weight reduction groove. Detailed Implementation

[0024] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0028] See attached document Figure 1-2 A drum-shaped transmission bushing includes a drum-shaped bushing body 1 and a synchronous pulley 2. The bushing body 1 has a hyperbolic transition section with a variable cross-section. The hyperbolic transition section proposed in this technical solution refers to the outer contour of the transmission bushing changing according to the shape of a hyperbola. Under different stress conditions, the bushing can more evenly distribute stress, effectively avoiding stress concentration, thereby significantly improving the service life and reliability of the bushing. The bushing body 1 has flange connection ends 3 at both ends. The synchronous pulley 2 is integrally formed with one end of the bushing body 1. The synchronous pulley 2, flange connection end 3, and bushing body 1 adopt an integrally formed structure, which ensures the overall strength and stability of the bearing. There will be no loosening or separation during power transmission, avoiding assembly errors, and making the power transmission between the synchronous pulley 2 and the bushing body 1 more precise and efficient. The synchronous pulley 2 is a toothed synchronous pulley, which can achieve precise meshing with other transmission components and achieve stable power transmission.

[0029] The bushing body 1 is shaped like a waist drum, with a maximum diameter D1 in the middle and a minimum diameter D2 at both ends, forming a diameter ratio R, where 1.00≤R=D1 / D2≤1.03. This allows the bushing body 1 to minimize its weight while ensuring sufficient strength and rigidity, achieving a lightweight design. In practical applications, the lightweight design can reduce the energy consumption of the entire transmission system and improve energy utilization efficiency. At the same time, the waist drum-shaped structure can also enhance the torsional resistance of the bushing body 1, enabling it to maintain stable performance under high-speed rotation and complex working environments, thus preventing physical deviation.

[0030] The bushing body 1 has an axial weight reduction groove 4 inside. The axial weight reduction groove 4 is a straight groove. Its straight groove design can not only effectively reduce the weight of the bushing body 1, but also enhance the heat dissipation performance of the bushing body 1 to a certain extent. When the bushing body 1 generates heat during high-speed rotation, the axial weight reduction groove 4 can act as a heat dissipation channel to accelerate the air circulation, thereby removing heat and reducing the temperature of the bushing body 1, ensuring that it operates within the normal operating temperature range. In addition, the presence of the axial weight reduction groove 4 can also optimize the stress distribution inside the bushing body 1, further improving its structural stability.

[0031] The two flange connection ends 3 are connected to both ends of the axial weight reduction groove 4. The inner diameter of the flange connection end 3 is larger than the inner diameter of the axial weight reduction groove 4, which can better guide and position during installation, ensuring accurate connection of the bushing body 1 with other components. The flange connection end 3 has a tapered guide surface, which provides precise guidance during installation, enabling the flange connection end 3 to quickly and accurately connect with other components. At the same time, it can also enhance the sealing of the connection and prevent lubricant leakage and the entry of external dust and impurities.

[0032] The synchronous pulley 2 is coaxial with the bushing body 1, ensuring the concentricity of the synchronous pulley 2 and the bushing body 1 during rotation. This avoids vibration and noise caused by eccentricity, and improves the stability and comfort of the transmission system. The synchronous pulley 2 adopts an involute tooth profile, which has good meshing characteristics, enabling smooth transmission, reducing impact and wear, and ensuring the stability of the transmission ratio, thereby improving the working efficiency and accuracy of the entire transmission system.

[0033] The bushing body 1 and the synchronous pulley 2 are made of aluminum alloy and have undergone anodizing treatment. Aluminum alloy has advantages such as low density, high strength, and corrosion resistance, which can reduce the weight and lower the load on the entire transmission system while ensuring sufficient strength and rigidity of the bushing body 1 and the synchronous pulley 2. The surface is anodized, which is an advanced surface treatment process that forms a hard, wear-resistant, and corrosion-resistant oxide film on the surface of the bushing body 1 and the synchronous pulley 2. This oxide film not only increases the surface hardness of the bushing body 1 and the synchronous pulley 2 and reduces wear, but also enhances their corrosion resistance and extends their service life. In complex working environments, the anodized bushing body 1 and the synchronous pulley 2 can better resist external erosion and ensure the normal operation of the transmission system.

[0034] In summary, this drum-shaped drive bushing consists of a drum-shaped bushing body and a synchronous pulley. The bushing body is drum-shaped with a hyperbolic variable cross-section. During operation, its unique variable cross-section structure allows for more even force distribution on the bushing. By automatically adjusting the radial force distribution, it effectively prevents deviation. The diameter ratio of the bushing body is optimized, reducing weight while improving performance. The flange connection end is connected to the weight-reducing groove, and its tapered guide surface facilitates installation. The bushing body and synchronous pulley are made of aluminum alloy and anodized, which not only reduces weight but also improves wear resistance and corrosion resistance.

[0035] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A drum-type transmission axle housing characterized by: The application relates to a shaft sleeve body (1) and a synchronous wheel (2) of a waist drum type, the shaft sleeve body (1) is of a double-curved transition section variable cross-section structure, the shaft sleeve body (1) is provided with flange connecting ends (3) at two ends, the synchronous wheel (2) is integrally formed with one end of the shaft sleeve body (1), and the synchronous wheel (2) is a toothed synchronous wheel.

2. A lumbar drum type transmission shaft sleeve according to claim 1, characterized in that: The shaft sleeve body (1) is of a waist drum type as a whole, has a maximum middle diameter D1 and minimum diameters D2 at two ends, forms a diameter ratio R, and 1.00<=R=D1 / D2<=1.

03.

3. A lumbar drum type transmission shaft sleeve according to claim 1, characterized in that: The shaft sleeve body (1) is internally provided with an axial weight-reducing groove (4), and the axial weight-reducing groove (4) is a straight groove body.

4. A lumbar drum type transmission shaft sleeve according to claim 3, characterized in that: Two flange connecting ends (3) are communicated with two ends of the axial weight-reducing groove (4), the inner diameter of the flange connecting end (3) is larger than that of the axial weight-reducing groove (4), and the flange connecting end (3) is provided with a tapered guide surface.

5. A lumbar drum type transmission shaft sleeve according to claim 1, characterized in that: The synchronous wheel (2) is coaxial with the shaft sleeve body (1), and the synchronous wheel (2) adopts an involute tooth profile.

6. A lumbar drum type transmission shaft sleeve according to claim 1, characterized in that: The shaft sleeve body (1) and the synchronous wheel (2) are made of an aluminum alloy material, and the surfaces are subjected to an anodic oxidation treatment.

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