Reversing gear box of grain unloading barrel of grain harvester
By introducing grease lubrication and a curved tubular structure into the reversing gearbox of the grain harvester's unloading hopper, the problems of high friction, rapid wear, and high noise in the gearbox have been solved, resulting in a longer service life, improved operational stability, and reduced maintenance costs.
Patent Information
- Application Number
- CN202520596202.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing grain harvester unloading hopper reversing gearboxes suffer from problems such as high friction, rapid wear, high noise, and poor sealing. They are particularly prone to damage in harsh farmland environments, affecting the service life and reliability of the equipment.
The gear design employs grease lubrication, combined with technologies such as curved tubular structure, symmetrical connecting frame, screw connection and external skeleton oil seal, to enhance the lubrication effect and structural stability of the gearbox, reduce friction and noise, and improve sealing performance.
It significantly extends the service life of the gearbox, reduces noise and vibration, improves the durability and operational stability of the equipment, and reduces maintenance costs and failure rate.
Smart Images

Figure CN223676982U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to agricultural machinery technical field, concretely relates to a grain harvesting machine unloading cylinder reversing gear box. BACKGROUND
[0002] In agricultural production, the grain harvesting machine is a key agricultural equipment, and the reversing function of the unloading cylinder is crucial for improving the operation efficiency and flexibility. The existing unloading cylinder reversing mechanism usually adopts a complex gear transmission system to realize direction conversion. However, these traditional gear box designs often face problems such as large friction, fast wear, high noise, and poor sealing during operation. These problems not only affect the service life of the gear box, but also increase the maintenance cost and failure rate, reducing the reliability and durability of the whole machine. Especially in harsh farmland environment, the traditional gear box is more vulnerable to external impurities and moisture, further increasing the risk of equipment damage. SUMMARY
[0003] In view of the large internal friction and fast wear of the existing grain harvesting machine unloading cylinder reversing gear box, the purpose of the utility model is to provide a grain harvesting machine unloading cylinder reversing gear box, which improves the lubrication effect of the gear box and reduces friction and wear.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a grain harvesting machine unloading cylinder reversing gear box, comprising:
[0005] A box body is provided with a first side and a second side;
[0006] An input shaft is rotatably connected to the box body, and one end of the input shaft extends out of the box body from the first side for input power; an output shaft is rotatably connected to the box body, and one end of the output shaft extends out of the box body from the second side for output power; the input shaft and the output shaft are in transmission connection, the gear box further comprises an input bevel gear and an output bevel gear, the input bevel gear is connected to the input shaft inside the box body, the output bevel gear is connected to the output shaft inside the box body and is in meshing with the input bevel gear, a cavity is formed between the input bevel gear, the output bevel gear and the box body, and butter is arranged in the cavity.
[0007] In the technical solution, the butter plays a crucial role in the operation of the gear. Its lubricating effect can effectively reduce the friction between the gears, thereby reducing the degree of wear of the gears. Not only does it optimize the operating efficiency of the gear box, but more importantly, it significantly extends the service life of the gear box and improves the durability of the equipment. At the same time, the presence of butter also significantly reduces the noise and vibration generated when the gears mesh. When using this gear box, the mechanical operation is more stable and quiet, not only improving the comfort of the operators, but also reducing noise pollution. The gear box is compactly integrated with key components such as the input shaft, output shaft, input bevel gear and output bevel gear inside the box body through ingenious design. Not only does it save space, but it also makes the overall structure more stable, improving the carrying capacity and running stability of the gear box. The input shaft and output shaft are connected through transmission, achieving effective power transmission. The meshing design of the input bevel gear and output bevel gear ensures the stability and efficiency of power transmission, enabling the gear box to quickly respond and accurately perform the reversing action of the unloading cylinder.
[0008] The utility model further sets up: first box cover and second box cover are equipped on the box body, first box cover is arranged on first side, second box cover is arranged on second side. Through add first box cover and second box cover, the overall structure of gear box has been strengthened. The box cover is closely combined with the box body, improves the rigidity and stability of the gear box, makes it can bear greater load and impact force.
[0009] The utility model further sets up: box shell is equipped on the box body, the box shell is the pipe of two ends opening, the included angle between input shaft and output shaft is obtuse angle. The gear box is not the traditional right angle or straight line type design, and it is a curved tubular structure, which is convenient for reversing.
[0010] The utility model further sets up: connecting frame is equipped on the box body, the connecting frame includes extension part and end part, one end of extension part is connected with box shell, the other end of extension part is connected with end part, connecting hole is equipped on end part. Through add connecting frame, the overall structure of gear box is more stable, the extension part of connecting frame is closely connected with box shell, effectively strengthens the support degree of box body, prevents the wobble or displacement phenomenon that can appear in the use process, and the design of connecting frame considers the convenience of installation. The connecting hole equipped on the end part makes the gear box can easily connect with other equipment or parts, simplifies the installation process, improves the work efficiency. The design of connecting frame has certain universality and flexibility, and can adapt to different installation environment and demand. By adjusting the position and size of connecting hole, various connection modes and installation scenes can be conveniently adapted. The independent design of connecting frame also makes it more convenient to disassemble and install when the gear box needs to be maintained or replaced, not only reduces the maintenance cost, but also improves the use efficiency of the equipment.
[0011] The utility model further provides: the number of connecting frame is two, two connecting frames are symmetrically arranged in the both sides of box body. Through symmetrically setting two connecting frames on the both sides of the box body, the installation stability and balance of the gear box can be significantly improved, the design of two connecting frames makes the box can get more uniform support when stressed, reduces the inclination or distortion caused by unilateral stress, thereby guarantees the stability and reliability of the gear box in the running process. The symmetrical layout is not only beautiful, but also reflects the rationality of structure design, the setting of two connecting frames can more effectively disperse and bear external load, reduce the risk of single point failure, improve the strength and durability of the overall structure. Two connecting frames provide more installation options, so that the gear box can be more flexibly adapted to different mechanical systems, whether it is horizontal installation or vertical installation, the position of two connecting frames can be adjusted to meet the demand.
[0012] The utility model further provides: the box shell is equipped with screw hole, first box cover and box shell are connected through screw, second box cover and box shell are connected through screw. Through setting screw hole on the box shell, and using screw to connect first box cover and second box cover with the box shell closely, the stability of the overall structure of the gear box is significantly enhanced, the box cover can be effectively prevented from loosening or falling off in the running process due to vibration or other external force, thereby ensuring the safe operation of the internal components of the gear box. The screw connection mode is not only stable, but also convenient to disassemble and maintain, when it is necessary to overhaul or replace the parts inside the gear box, only need to unscrew the screw to easily open the box cover, without damaging or replacing other parts, greatly reducing the maintenance cost and time. The screw connection can ensure the close fit between the box cover and the box shell, thereby improving the sealing of the gear box, the good sealing property can effectively prevent external dust, moisture and other impurities from entering the inside of the gear box, protect the internal components from erosion and damage, prolong the service life of the gear box.
[0013] The utility model further provides: first outer skeleton oil seal is equipped between input shaft and first box cover, second outer skeleton oil seal is equipped between output shaft and second box cover. Through setting first outer skeleton oil seal between input shaft and first box cover, and setting second outer skeleton oil seal between output shaft and second box cover, the leakage of lubricating oil or other liquid in the gear box from the joint of shaft and box cover can be effectively prevented, which helps to maintain the oil level inside the gear box, ensures that the gears and other moving parts are fully lubricated, thereby prolonging the service life. The oil seal can block the entry of external dust, dirt and moisture and other impurities into the inside of the gear box, prevent these impurities from causing wear or corrosion to the gears and other precision components, and help to maintain the cleanliness and performance stability of the gear box. By reducing oil leakage and impurity intrusion, the failure rate of the gear box can be reduced, the frequency of maintenance and replacement of parts can be reduced, thereby reducing the overall maintenance cost.
[0014] The utility model further sets up: be equipped with first bearing between input shaft and first tank cover, be equipped with second bearing between output shaft and second tank cover, all are filled with butter at first bearing and second bearing place. Through setting up first bearing between input shaft and first tank cover and setting up second bearing between output shaft and second tank cover, can effectively support the rotation of shaft, and ensure that the rotation process is smooth, bearing as important component in mechanical transmission, can reduce friction and wear, improve transmission efficiency. The introduction of bearing greatly reduces the direct contact between shaft and tank cover, thereby significantly reducing friction and wear, not only prolongs the service life of shaft and tank cover, but also reduces the heat and energy consumption generated by friction. The first bearing and second bearing are filled with butter, which further enhances the lubricating effect. The butter can form a layer of lubricating film between the rolling elements and the inner and outer rings of the bearing, effectively reducing friction resistance and improving the rotational flexibility and service life of the bearing.
[0015] The utility model has the advantages that: in the gear operation process, the lubricating effect of butter can effectively reduce the friction between gears, thereby reducing the wear degree of gears, not only optimizing the operation efficiency of gear box, more importantly, significantly prolonging the service life of gear box, improving the durability of equipment, at the same time, the existence of butter also greatly reduces the noise and vibration generated when the gears mesh, when using this gear box, the mechanical operation is more stable and quiet, not only improving the comfort of the operator, but also reducing noise pollution, the gear box is compactly integrated in the box body through the ingenious design of the input shaft, output shaft, input bevel gear and output bevel gear, not only saving space, but also making the overall structure more stable, improving the carrying capacity and operation stability of the gear box, the input shaft and output shaft are connected through transmission, realizing the effective transmission of power, the meshing design of input bevel gear and output bevel gear ensures the stability and efficiency of power transmission, so that the gear box can quickly respond and accurately execute the reversing action of the unloading cylinder. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the axonogram of the utility model;
[0017] Figure 2 It is the sectional view of the gear box in one embodiment of the utility model.
[0018] In the figure: 1, box body; 11, first tank cover; 12, second tank cover; 13, tank shell; 131, screw hole; 2, input shaft; 3, cavity; 4, input bevel gear; 5, output bevel gear; 6, output shaft; 7, connecting frame; 71, extension part; 72, end part; 721, connecting hole; 81, first outer frame oil seal; 82, second outer frame oil seal; 91, first bearing; 92, second bearing. DETAILED DESCRIPTION
[0019] In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present utility model. In addition, as the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0020] The present utility model is further illustrated below in conjunction with the drawings of the specification.
[0021] Embodiment 1
[0022] With reference to Figure 1 , Figure 2 A grain harvester unloading cylinder reversing gear box, comprising:
[0023] A box body 1, the box body 1 is provided with a first side and a second side;
[0024] An input shaft 2 is rotatably connected to the box body 1, one end of the input shaft 2 extends out of the box body 1 from the first side for inputting power;
[0025] An output shaft 6 is rotatably connected to the box body 1, one end of the output shaft 6 extends out of the box body 1 from the second side for outputting power; the input shaft 2 and the output shaft 6 are in transmission connection, the gear box further comprises an input bevel gear 4 and an output bevel gear 5, the input bevel gear 4 is connected to the input shaft 2 inside the box body 1, the output bevel gear 5 is connected to the output shaft 6 inside the box body 1 and is in meshing with the input bevel gear 4, a cavity 3 is formed between the input bevel gear 4, the output bevel gear 5 and the box body 1, and butter is arranged in the cavity 3.
[0026] In this embodiment, during the operation of the gear, the lubricating effect of the butter can effectively reduce the friction between the gears, thereby reducing the degree of wear of the gears. Not only does it optimize the operating efficiency of the gear box, but more importantly, it significantly extends the service life of the gear box and improves the durability of the equipment. At the same time, the presence of butter also greatly reduces the noise and vibration generated when the gears mesh. When using this gear box, the mechanical operation is more stable and quiet, not only improving the comfort of the operator, but also reducing noise pollution. The gear box is designed to compactly integrate key components such as the input shaft 2, output shaft 6, input bevel gear 4, and output bevel gear 5 within the box body 1. Not only does it save space, but it also makes the overall structure more stable, improving the load-carrying capacity and operating stability of the gear box. The input shaft 2 and output shaft 6 are connected through a transmission, effectively transmitting power. The meshing design of the input bevel gear 4 and output bevel gear 5 ensures the stability and efficiency of power transmission, allowing the gear box to quickly respond and accurately perform the reversing action of the unloading cylinder.
[0027] It can be understood that the box body 1 is provided with a first box cover 11 and a second box cover 12, the first box cover 11 is arranged on the first side, and the second box cover 12 is arranged on the second side. By adding the first box cover 11 and the second box cover 12, the overall structure of the gear box is strengthened. The box cover is tightly combined with the box body 1, improving the rigidity and stability of the gear box, so that it can withstand greater load and impact force.
[0028] Reference Figure 1 The box body 1 is provided with a box shell 13, the box shell 13 is a bent pipe with both ends open, and the included angle between the input shaft 2 and the output shaft 6 is obtuse. The gear box is not a traditional right angle or straight line design, but a curved tubular structure, which is convenient for reversing.
[0029] Reference Figure 1 , Figure 2The box 1 is provided with a connecting frame 7, the connecting frame 7 comprises an extension part 71 and an end part 72, one end of the extension part 71 is connected with the box shell 13, the other end of the extension part 71 is connected with the end part 72, and the end part 72 is provided with a connecting hole 721. By additionally arranging the connecting frame 7, the overall structure of the gear box is more stable, the extension part 71 of the connecting frame 7 is tightly connected with the box shell 13, the supporting force of the box 1 is effectively enhanced, the shaking or displacement phenomenon that may occur in the use process is prevented, and the convenience of installation is considered in the design of the connecting frame 7. The connecting hole 721 arranged on the end part 72 enables the gear box to be easily connected with other equipment or components, simplifies the installation process and improves work efficiency. The design of the connecting frame 7 has certain universality and flexibility, and can adapt to different installation environments and requirements. By adjusting the position and size of the connecting hole 721, various connection modes and installation scenes can be conveniently adapted. The independent design of the connecting frame 7 also enables the gear box to be more conveniently disassembled and installed when maintenance or replacement is required, thereby reducing maintenance costs and improving equipment use efficiency.
[0030] Preferably, the number of the connecting frame 7 is two, and the two connecting frames 7 are symmetrically arranged on both sides of the box 1. By symmetrically arranging two connecting frames 7 on both sides of the box 1, the installation stability and balance of the gear box can be significantly improved. The design of the two connecting frames 7 enables the box 1 to be more evenly supported when stressed, reduces the inclination or distortion that may be caused by unilateral stress, and thus guarantees the stability and reliability of the gear box during operation. The symmetrical layout is not only beautiful, but also reflects the rationality of the structural design. The arrangement of the two connecting frames 7 can more effectively disperse and bear external loads, reduce the risk of single-point failure, and improve the strength and durability of the overall structure. The two connecting frames 7 provide more installation options, so that the gear box can be more flexibly adapted to different mechanical systems, whether it is horizontally installed or vertically installed, the position of the two connecting frames 7 can be adjusted to meet the requirements.
[0031] In an embodiment of the present application, Figure 1 , Figure 2The box shell 13 is provided with screw holes 131, the first box cover 11 and the box shell 13 are connected through screws, and the second box cover 12 and the box shell 13 are connected through screws. By arranging the screw holes 131 on the box shell 13 and connecting the first box cover 11 and the second box cover 12 with the box shell 13 through screws, the stability of the overall structure of the gear box is significantly enhanced, the loosening or falling off of the box cover during operation due to vibration or other external forces can be effectively prevented, and the safe operation of the internal components of the gear box is ensured. The screw connection mode is not only stable, but also convenient for disassembly and maintenance. When the internal part of the gear box needs to be overhauled or replaced, the box cover can be easily opened by loosening the screws without damaging or replacing other parts, thereby greatly reducing the maintenance cost and time. The screw connection can ensure the close fit between the box cover and the box shell 13, thereby improving the sealing performance of the gear box. Good sealing performance can effectively prevent external dust, moisture and other impurities from entering the internal part of the gear box, protect the internal part from erosion and damage, and prolong the service life of the gear box.
[0032] Preferably, referring to Figure 2 The first outer frame oil seal 81 is arranged between the input shaft 2 and the first box cover 11, and the second outer frame oil seal 82 is arranged between the output shaft 6 and the second box cover 12. By arranging the first outer frame oil seal 81 between the input shaft 2 and the first box cover 11 and the second outer frame oil seal 82 between the output shaft 6 and the second box cover 12, the leakage of lubricating oil or other liquids in the gear box from the joint between the shaft and the box cover can be effectively prevented, the oil level in the gear box can be maintained, the gears and other moving parts can be fully lubricated, and the service life can be prolonged. The oil seal can prevent external dust, dirt and moisture and other impurities from entering the internal part of the gear box, prevent these impurities from causing wear or corrosion to the gears and other precision parts, and help maintain the cleanliness and performance stability of the gear box. By reducing oil leakage and impurity intrusion, the failure rate of the gear box can be reduced, the frequency of maintenance and replacement of parts can be reduced, and the overall maintenance cost can be reduced.
[0033] In an embodiment of the present application, referring to Figure 2The first bearing 91 and the second bearing 92 are filled with butter. By arranging the first bearing 91 between the input shaft 2 and the first cover 11 and the second bearing 92 between the output shaft 6 and the second cover 12, the rotation of the shaft can be effectively supported, and the rotation process is smooth and smooth. As an important component in mechanical transmission, the bearing can reduce friction and wear, and improve transmission efficiency. The introduction of the bearing greatly reduces the direct contact between the shaft and the cover, thereby significantly reducing friction and wear, not only prolonging the service life of the shaft and the cover, but also reducing the heat and energy consumption generated by friction. The first bearing 91 and the second bearing 92 are filled with butter, which further enhances the lubricating effect. The butter can form a lubricating film between the rolling body and the inner and outer rings of the bearing, effectively reducing the friction resistance, improving the rotation flexibility and service life of the bearing.
[0034] The above embodiments are only used to further illustrate the utility model, and cannot be understood as limiting the protection scope of the utility model. The skilled engineers in the art can make some non-essential improvements and adjustments to the utility model according to the content of the above utility model, which falls within the protection scope of the utility model.
Claims
1. A grain harvester unloading auger reversing gear box characterized by, The utility model relates to a kind of gear box, including: Box, first side and second side are equipped on the box; Input shaft is rotatably connected on the box, one end of the input shaft is out of the box to the outside from the first side for input power;Output shaft is rotatably connected on the box, one end of the output shaft is out of the box to the outside from the second side for output power;The input shaft and output shaft are drivingly connected, the gear box further includes input bevel gear and output bevel gear, the input bevel gear is connected on the input shaft inside the box, the output bevel gear is connected on the output shaft inside the box and is engaged with input bevel gear, the input bevel gear, output bevel gear and the cavity are formed between the box, the cavity is equipped with butter.
2. A grain unloading auger reversing gear box according to claim 1, wherein, First box cover and second box cover are equipped on the box, the first box cover is arranged on the first side, and the second box cover is arranged on the second side.
3. A grain harvester unloading auger reversing gear box as defined in claim 2 wherein, Box shell is equipped on the box, the box shell is the pipe of two ends opening, the included angle between the input shaft and the output shaft is obtuse angle.
4. A grain unloading auger reversing gear box according to claim 3, wherein, Connecting frame is equipped on the box, the connecting frame includes extension part and end part, one end of the extension part is connected with the box shell, the other end of the extension part is connected with the end part, and connecting hole is equipped on the end part.
5. A grain harvester unloading auger reversing gear box as defined in claim 4 wherein, The number of the connecting frame is two, and the two connecting frames are symmetrically arranged on the two sides of the box.
6. A grain unloading auger reversing gear box according to claim 5 wherein, Screw hole is equipped on the box shell, the first box cover and the box shell are connected by screw, and the second box cover and the box shell are connected by screw.
7. A grain unloading auger reversing gear box according to claim 2 or 6, wherein, First exoskeleton oil seal is equipped between the input shaft and the first box cover, and second exoskeleton oil seal is equipped between the output shaft and the second box cover.
8. A grain harvester unloading auger reversing gear box as defined in claim 7 wherein, First bearing is equipped between the input shaft and the first box cover, and second bearing is equipped between the output shaft and the second box cover, and butter is filled in the first bearing and the second bearing.