Driving wheel for chassis of agricultural machine

Abstract

The driving wheel comprises a wheel body, the wheel body is circular, a shaft hole is formed in the center of the wheel body, a plurality of driving teeth are arranged on the outer edge of the wheel body in a circumferential array mode with the center of the shaft hole as the axis, the outer diameter of the driving teeth is larger than the outer diameter of the wheel body, the length of the driving teeth is far larger than the thickness of the wheel body, and the driving teeth and the wheel body are integrally formed. The adjacent driving teeth and the wheel body form a driving groove, the driving teeth rotate along with the wheel body, the wheel body is connected with a power device, the driving teeth are meshed with grooves of the track, the driving groove is meshed with protrusions of the track, and the power device drives the wheel body and the track to rotate. The driving teeth and the wheel body are integrally formed, the overall structure is more compact and firmer, due to the fact that connecting parts are reduced, potential fault points and loosening risks are reduced, integrality is high, vibration and noise of the driving wheel in the running process are reduced, replacement frequency is reduced, maintenance cost is reduced, and the service life of the driving wheel is prolonged. A connecting piece and a single driving tooth do not need to be replaced, and the maintenance process is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of driving wheels, in particular to a driving wheel used in an agricultural machinery chassis. Background Art

[0002] The drive wheels in an agricultural machinery chassis are a crucial component of its travel mechanism. They transmit engine power to the ground, propelling the machinery for stable and efficient travel over a wide range of terrains. They are widely used in various farm operations, such as tractors, harvesters, and fertilizer spreaders. They provide stable traction and driving performance for agricultural machinery under diverse terrain and operating conditions, ensuring smooth operation.

[0003] Patent document CN216430438U discloses a driving wheel with low-vibration structure gear teeth, which belongs to the technical field of driving wheels. It includes a wheel body, an annular groove is coaxially opened on the outer peripheral side of the wheel body, and a plurality of gear plates are slidably fitted in the annular groove. The plurality of gear plates constitute a complete gear. The gear plates include a base and gear teeth, and the gear teeth are fixedly connected to the base. The base is slidably connected in the annular groove. Sliding grooves are opened at both ends of the base. When the utility model installs a plurality of gear plates on the wheel body, when the gear plates are inserted into the annular groove, the sliding block is pushed by the wedge-shaped inclined surface of the stop block to be clamped in the sliding groove of the adjacent gear plates, so that the second through hole on the sliding block, the first through hole on the adjacent base and the limiting hole on the wheel body are aligned, and the fixing bolts are inserted into these three holes and tightened. Compared with the traditional method of only connecting the gear plates and the wheel body, the adjacent gear plates form a linkage effect to share the vibration of the gear plates.

[0004] In the above scheme, the drive wheel gear plate and the gear teeth are separately connected. Although this structure is convenient for assembly and maintenance, it affects the overall stability and durability to a certain extent. When used for a long time or subjected to a large load, the connection parts may become loose or worn, resulting in performance degradation. The structural strength is low, maintenance is cumbersome and the cost is high. At the same time, mud and sand accumulate between the drive wheel and the track, causing the drive wheel to idle. Therefore, it is necessary to provide a drive wheel for the agricultural machinery chassis to solve the shortcomings of the existing technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and provide a driving wheel for an agricultural machinery chassis.

[0006] The technical solution adopted by the present invention to solve its technical problems is:

[0007] A driving wheel for an agricultural machinery chassis comprises a wheel body, which is circular and has an axial hole at its center. A plurality of driving teeth are arranged in a circumferential array on the outer edge of the wheel body with the center of the axial hole as the axis. The outer diameter of the driving teeth is larger than the outer diameter of the wheel body, and the length of the driving teeth is much larger than the thickness of the wheel body. The driving teeth are integrally formed with the wheel body, and adjacent driving teeth form driving grooves with the wheel body. The driving teeth rotate with the wheel body, and the wheel body is connected to a power device. The driving teeth engage with track grooves, and the driving grooves engage with track protrusions. The power device drives the wheel body and the track to rotate.

[0008] The present invention is further configured such that the angle between adjacent drive teeth is greater than 15°.

[0009] The utility model is further configured such that the driving tooth includes a head and a tail, the distance between the tail end and the wheel body is greater than the distance between the head end and the wheel body, the inner side of the head is arc surface one, the inner side of the tail is arc surface two, and the arc sizes of arc surface one and arc surface two are different.

[0010] The utility model is further configured such that the connection between the wheel body and the driving teeth is a rounded connection.

[0011] The utility model is further configured such that a plurality of weight-reducing grooves are arranged in a circumferential array on the wheel body with the center of the shaft hole as the axis center, the weight-reducing grooves are arranged between the shaft hole and the driving teeth, the weight-reducing grooves are in a fan-shaped ring shape, and the weight-reducing grooves are arranged on the front and back sides of the wheel body.

[0012] The present invention is further configured such that a second weight reduction groove is provided at the middle portion of the first weight reduction groove.

[0013] The utility model is further configured such that a plurality of mounting holes are provided on the wheel body in a circumferential array with the center of the shaft hole as the axis, the mounting holes are arranged between the shaft hole and the weight reduction groove 1, and the power device is connected to the wheel body through the mounting holes.

[0014] In summary, the present invention has the following beneficial effects:

[0015] 1. The drive gear and the wheel body of the utility model are integrally formed, and the overall structure is more compact and sturdy. Since the number of connecting parts is reduced, the potential failure points and looseness risks are reduced, and the integrity is strong. At the same time, the integrated connection design helps to reduce the vibration and noise of the drive wheel during operation.

[0016] 2. The drive gear of the utility model is integrally formed with the wheel body, which reduces wear and looseness at the connection and thus has higher durability, helps to extend the service life of the drive wheel, reduces the replacement frequency, thereby reducing maintenance costs and simplifying the maintenance process, without the need to replace the connecting parts and single drive gear.

[0017] 3. Since the driving gear and the wheel body are integrally formed in the present invention, it is easier to realize automation and standardized production during the production process, which helps to reduce production costs, improve production efficiency, and ensure the stability and consistency of product quality.

[0018] 4. The driving teeth of the present invention are longer, which can avoid incomplete engagement between the driving teeth and the crawler due to sediment accumulation, ensure stable engagement, and prevent the driving wheel from idling.

[0019] 5. The wheel body of the utility model is provided with a first weight-reducing groove and a second weight-reducing groove, and the inner side surface of the driving tooth is an arc surface, which greatly reduces the weight and reduces the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] Figure 2 It is the main view of the present utility model.

[0022] Figure 3 It is a right view of the present utility model.

[0023] Figure 4 It is a left view of the present utility model.

[0024] Figure 5 It is a rear view of the present utility model.

[0025] Figure 6 It is a top view of the present utility model.

[0026] Figure 7 It is a bottom view of the present utility model.

[0027] In the figure, 1. wheel body, 2. shaft hole, 3. driving tooth, 31. head, 311. arc surface 1, 32. tail, 321. arc surface 2, 4. driving groove, 5. weight reduction groove 1, 6. weight reduction groove 2, 7. mounting hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Example 1:

[0030] In this embodiment, if Figure 1-7 As shown, the utility model proposes a driving wheel for an agricultural machinery chassis, including a wheel body 1, which is circular and has an axial hole 2 at the center of the wheel body. A plurality of driving teeth 3 are arranged in a circumferential array on the outer edge of the wheel body with the center of the axial hole as the axis. The outer diameter of the driving teeth is larger than the outer diameter of the wheel body, and the length of the driving teeth is much larger than the thickness of the wheel body. The driving teeth are integrally formed with the wheel body, and adjacent driving teeth form driving grooves 4 with the wheel body. The driving teeth rotate with the wheel body, and the wheel body is connected to the power device. The driving teeth engage with the track grooves, and the driving grooves engage with the track protrusions. The power device drives the wheel body and the track to rotate. The track and the power device are not drawn in the figure. The track and the power device are both existing technologies and products in this field. The drive gear and the wheel body are integrally formed, and the overall structure is more compact and sturdy. Since the number of connecting parts is reduced, the potential failure points and looseness risks are reduced, and the integrity is strong. At the same time, the integrated connection design helps to reduce the vibration and noise of the drive wheel during operation, and reduces the wear and looseness of the connection, so it has higher durability, helps to extend the service life of the drive wheel, reduces the replacement frequency, thereby reducing maintenance costs and simplifying the maintenance process. There is no need to replace connecting parts and single drive teeth, and it is easier to achieve automation and standardized production in the production process, which helps to reduce production costs, improve production efficiency, and ensure the stability and consistency of product quality.

[0031] In this embodiment, it is further configured that the angle between adjacent driving teeth is greater than 15°.

[0032] In this embodiment, the drive teeth further comprise a head portion 31 and a tail portion 32. The distance between the tail portion and the wheel body is greater than the distance between the head portion and the wheel body. The inner side of the head portion is a first arc surface 311, and the inner side of the tail portion is a second arc surface 321. The curvature of the first and second arc surfaces differs. Both the inner side of the head and the inner side of the tail are curved, which reduces weight and costs without compromising functionality. The longer drive teeth prevent incomplete engagement between the drive teeth and the track due to sediment accumulation, ensuring a secure engagement and preventing idling of the drive wheel.

[0033] In this embodiment, it is further configured that the connection between the wheel body and the driving teeth is a rounded connection.

[0034] In this embodiment, it is further configured that a plurality of weight-reducing grooves 5 are arranged in a circumferential array with the center of the shaft hole as the axis. The weight-reducing grooves 5 are arranged between the shaft hole and the driving teeth. The weight-reducing grooves 5 are fan-shaped and are arranged on the front and back sides of the wheel body.

[0035] In this embodiment, it is further configured that a second weight-reducing groove 6 is provided in the middle portion corresponding to the first weight-reducing groove.

[0036] In this example, the provision of the first and second weight-reducing grooves can greatly reduce the weight of the wheel body and lower the cost.

[0037] In this embodiment, it is further configured that a plurality of mounting holes 7 are provided on the wheel body in a circumferential array with the center of the shaft hole as the axis. The mounting holes are arranged between the shaft hole and the weight reduction groove 1. The power device is connected to the wheel body through the mounting holes. The power is not drawn in the figure. This connection method is a conventional connection method.

[0038] The working principle of the drive wheel used in the agricultural machinery chassis is that the output end of the power device is connected to the wheel body, the wheel body and the drive teeth are integrally formed, the drive teeth rotate with the wheel body, the drive teeth engage with the track grooves, the drive grooves engage with the track protrusions, and the power device drives the wheel body and the track to rotate.

[0039] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply 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 limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A driving wheel for an agricultural machinery chassis, comprising a wheel body, the wheel body being circular, characterized in that: An axial hole is provided at the center of the wheel body, and a number of driving teeth are provided in a circumferential array on the outer edge of the wheel body with the center of the axial hole as the axis. The outer diameter of the driving teeth is larger than the outer diameter of the wheel body, and the length of the driving teeth is much larger than the thickness of the wheel body. The driving teeth and the wheel body are integrally formed, and adjacent driving teeth and the wheel body form a driving groove. The driving teeth rotate with the wheel body, and the wheel body is connected to the power device. The driving teeth engage with the track grooves, and the driving grooves engage with the track protrusions. The power device drives the wheel body and the track to rotate.

2. The driving wheel for an agricultural machinery chassis according to claim 1, characterized in that: The angle between adjacent drive teeth is greater than 15°.

3. The driving wheel for an agricultural machinery chassis according to claim 1, characterized in that: The driving tooth includes a head and a tail. The distance between the tail end and the wheel body is greater than the distance between the head end and the wheel body. The inner side of the head is arc surface 1, and the inner side of the tail is arc surface 2. The arcs of arc surface 1 and arc surface 2 are different.

4. The driving wheel for an agricultural machinery chassis according to claim 1, characterized in that: The connection between the wheel body and the driving teeth is a rounded connection.

5. The driving wheel for an agricultural machinery chassis according to claim 1, characterized in that: A plurality of weight-reducing grooves are arranged in a circumferential array on the wheel body with the center of the shaft hole as the axis. The weight-reducing grooves are arranged between the shaft hole and the driving teeth. The weight-reducing grooves are fan-shaped and are arranged on the front and back sides of the wheel body.

6. The driving wheel for an agricultural machinery chassis according to claim 5, characterized in that: A second weight reduction groove is provided in the middle portion corresponding to the first weight reduction groove.

7. The driving wheel for an agricultural machinery chassis according to claim 5, characterized in that: A plurality of mounting holes are arranged in a circumferential array on the wheel body with the center of the shaft hole as the axis. The mounting holes are arranged between the shaft hole and the weight-reducing groove 1, and the power device is connected to the wheel body through the mounting holes.

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