WO2022141998A1 - 一种清选传动系统及联合收割机 - Google Patents

一种清选传动系统及联合收割机 Download PDF

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Publication number
WO2022141998A1
WO2022141998A1 PCT/CN2021/090124 CN2021090124W WO2022141998A1 WO 2022141998 A1 WO2022141998 A1 WO 2022141998A1 CN 2021090124 W CN2021090124 W CN 2021090124W WO 2022141998 A1 WO2022141998 A1 WO 2022141998A1
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WIPO (PCT)
Prior art keywords
pulley
transmission
transmission system
belt wheel
output
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PCT/CN2021/090124
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English (en)
French (fr)
Inventor
王军
邢立成
王馨瑶
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江苏沃得农业机械股份有限公司
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Publication of WO2022141998A1 publication Critical patent/WO2022141998A1/zh

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06—Gearings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/44—Grain cleaners; Grain separators

Definitions

  • the application relates to the technical field of agricultural machinery, in particular to a cleaning transmission system and a combine harvester.
  • the combine harvester is a combined machine for harvesting crops. It can complete the harvesting, threshing, stalk separation, and removal of miscellaneous residues of cereal crops at one time, and it is a harvesting machine that directly obtains grains from the field. It includes a harvesting mechanism, a threshing mechanism, a shredding mechanism, a screening mechanism, a wind selection mechanism, etc.
  • the harvester outputs the power of the engine to each mechanism through the transmission system to complete the corresponding functions.
  • the power input of each mechanism is mostly distributed in different positions of the rack, and even the power input end of some mechanisms is located inside the rack, which requires more labor during the installation, debugging and maintenance of the transmission system. , consuming more energy and undoubtedly increasing the labor cost.
  • the power input of each mechanism has intermediate transmission.
  • the threshing mechanism uses the threshing drum in the threshing mechanism for power transmission, and the threshing drum also provides power for the rotation of the shredding mechanism when rotating and threshing, which is easy to increase the threshing drum. load, reducing the transmission efficiency and service life of the whole machine.
  • the technical problem to be solved by the present application is to overcome the unreasonable layout of the cleaning transmission system in the prior art, increase the labor cost, and have intermediate transmission, resulting in low transmission efficiency of the whole machine.
  • a cleaning transmission system comprising:
  • an output pulley connected with the engine drive; the output pulley is divided into three-way transmission output; the three-way transmission is distributed on the same side wall surface of the frame;
  • the first transmission includes an output pulley, a first threshing pulley and a second threshing pulley;
  • the second transmission includes output pulley and chopper pulley
  • the third transmission includes output pulley, fan pulley, grain pulley, miscellaneous pulley and screening pulley; all pulleys are connected by transmission.
  • the above-mentioned cleaning transmission system further includes:
  • a first transition wheel fixed on the frame and arranged between the output pulley and the shredder pulley; the output pulley is in driving connection with the first transition wheel; the first transition wheel The transition wheel is drivingly connected with the chopper pulley.
  • the above-mentioned cleaning transmission system further includes:
  • the second transition pulley is fixed on the frame and arranged in the third transmission; the output pulley, the fan pulley, the grain pulley, the second transition pulley and the miscellaneous pulley are connected by transmission ; The second transition wheel is in driving connection with the screening pulley.
  • the three-way transmission adopts the V-belt transmission connection.
  • the first threshing pulley and the second threshing pulley are connected by a belt drive.
  • the above-mentioned cleaning transmission system further includes a plurality of tensioning components, which are distributed between adjacent pulleys and are suitable for tensioning the V-belts between adjacent pulleys.
  • any one of the tensioning assemblies includes:
  • One end of the tensioning arm is hingedly arranged on the frame, and the other end is a free end;
  • the tensioning wheel is fixed on the free end of the tensioning arm
  • a tension spring is arranged between the tension rod and the tension arm
  • the tension pulley is tensioned against the V-belt by the biasing force of the tension spring.
  • the grain auger is arranged on the frame, and one end is fixed with a grain pulley, and the other end is connected to the granary auger; a direction changing gear box is arranged between the grain auger and the granary auger.
  • the miscellaneous auger is worn on the frame, and one end is fixed with a miscellaneous pulley, and the other end is connected with a complex auger; a direction change is arranged between the miscellaneous auger and the complex auger Gearbox.
  • a combine harvester including the above-mentioned cleaning transmission system.
  • the cleaning transmission system provided in this application includes an output pulley connected to the engine drive, and the output pulley is divided into three-way transmission output, and the three-way transmission is distributed on the same side wall surface of the frame.
  • the first drive includes output pulley, first threshing pulley and second threshing pulley
  • the second drive includes output pulley and chopper pulley
  • the third drive includes output pulley, fan pulley, grain Pulleys, surplus pulleys and screening pulleys, all drive connections between pulleys.
  • the power input of the threshing mechanism, the shredding mechanism, the wind sorting mechanism, the grain warehousing mechanism, the complex removal mechanism and the screening mechanism of the harvester are all arranged on the same side of the frame, which makes the transmission system of the whole machine compact. All drive pulleys are set on the same side for easy installation, control and debugging. And the power input of each mechanism is directly provided by the output pulley, which avoids the transmission loss caused by the intermediate transmission, reduces the workload of the mechanism providing the intermediate transmission, and improves the transmission efficiency and service life of the whole machine.
  • FIG. 1 is a schematic structural diagram 1 of a cleaning transmission system in an embodiment of the application.
  • FIG. 2 is a schematic structural diagram of the tensioning assembly at S in FIG. 1;
  • FIG. 3 is a second structural schematic diagram of the cleaning transmission system in the embodiment of the application.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, and may be internal communication between two elements.
  • installed may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, and may be internal communication between two elements.
  • This embodiment provides a cleaning transmission system, as shown in FIG. 1 , including an output pulley 1s connected to the engine drive, the output pulley 1s is divided into three transmission lines, and the three transmission lines are distributed on the same side wall of the frame 1 superior.
  • the output pulley 1s and the pulleys in other power mechanisms are connected by a V-belt drive.
  • a chain can also be used, but the chain drive is not as stable as a V-belt.
  • the threshing drum is blocked, causing the drum
  • the cover and other components are damaged by rupture, the chain may not be broken, and the power will continue to be transmitted, which may easily cause damage to the components.
  • the V-belt is driven, when the above situation occurs, the V-belt will slip and burn, which will affect the normal operation, so that even if the user is reminded to stop for cleaning and maintenance, other parts will not be damaged. Therefore, the V-belt is preferred. transmission.
  • the first transmission includes an output pulley 1s, a first threshing pulley 2s and a second threshing pulley 3s.
  • Three C-shaped V-belts are used for transmission connection between the output pulley 1s and the first threshing pulley 2s, so that the overall cross-section of the V-belt increases and the transmission power is improved.
  • the first threshing pulley 2s and the second threshing pulley 3s are connected by a 2HB linked belt drive.
  • the combined belt can fit well with the pulley, the force is uniform, and the transmission stability and impact resistance are good, so as to adapt to the high-strength working environment of the threshing drum.
  • the second transmission includes output pulley 1s and chopper pulley 4s.
  • the chopper is generally arranged at the rear end of the rack 1, and the span between the output pulley 1s and the output pulley 1s is relatively large. Therefore, the first The transition wheel 71s is divided into two-stage transmission.
  • the first transition pulley 71s is rotatably disposed on the frame 1 through the mounting frame, and is located on the connection line between the output pulley 1s and the chopper pulley 4s.
  • the first transition pulley 71s adopts a multi-groove pulley.
  • the output pulley 1s is in a driving connection with the first transition pulley 71s, and the first transition pulley 71s is in a transmission connection with the chopper pulley 4s.
  • the third transmission includes output pulley 1s, fan pulley 51s, grain pulley 52s, miscellaneous excess pulley 53s and screening pulley 6s.
  • a second transition wheel 72s is provided in the third-path transmission, which is also divided into two-stage transmission.
  • the first-stage transmission is the transmission connection between the output pulley 1s, the fan pulley 51s, the grain pulley 52s, the second transition pulley 72s and the miscellaneous pulley 53s;
  • the second-stage transmission is the second transition pulley 72s and the screening pulley Transmission connection between 6s.
  • the second transition pulley 72s adopts a multi-slot pulley.
  • the outer side of the V-belt is in contact with the groove surface of the second transition wheel 72s, so that the rotation direction of the second transition wheel 72s is opposite to the rotation direction of the output pulley, so that the transmission with the second transition wheel 72s
  • the connected screening pulley 6s rotates in the opposite direction to the output pulley 1s.
  • any tensioning assembly is installed between adjacent pulleys.
  • any tensioning assembly includes a tensioning arm 81s, a tensioning pulley 82s, a tension rod 83s and a tension spring 84s.
  • the tensioning arm 81s has a triangular structure, one corner of the triangle is hingedly mounted on the frame 1, and the other two corners are free ends, one free end of which is rotatably installed with the tensioning wheel 82s, and the other free end
  • a tension spring 84s is arranged between the tension rod 83s, the tension rod 83s is fixed on the frame 1, and the tensioning pulley 82s is located between the hinge point of the tension arm 81s on the frame 1 and the fixing point of the tension rod 83s on the frame 1. so that under normal conditions, the tensioning pulley 82s is tensioned and pressed against the V-belt by the biasing force of the tension spring 84s.
  • the grain auger 521s is horizontally installed at the bottom of the frame 1, one end of which is fixed with the grain pulley 52s, and the other end is connected to the granary auger 522s through the direction changing gear box 9s, and the granary auger 522s It is a vertical lifting auger, which is suitable for lifting the grain conveyed by the lower grain auger 521s upward and entering the granary from the upper inlet of the granary.
  • the miscellaneous auger 531s is horizontally installed at the bottom of the frame 1, one end of which is fixed with the miscellaneous pulley 53s, and the other end is connected to the reeling auger 532s through the direction-changing gearbox 9s, and the reeling auger 532s is inclined in the vertical direction.
  • the hoisting auger is suitable for lifting the miscellaneous waste carrying the grains conveyed by the miscellaneous waste auger 531s up to the threshing drum for re-threshing, so as to avoid waste of grains.
  • the power for grain entering and re-feeding is provided by the output pulley 1s, and the structure is simple and compact.
  • the power input of the threshing mechanism, the shredding mechanism, the wind sorting mechanism, the grain warehousing mechanism, the complex removal mechanism and the screening mechanism of the harvester are all arranged on the same side of the frame 1, so that the transmission system of the whole machine has a compact structure. All drive pulleys are set on the same side for easy installation, control and debugging. And the power input of each mechanism is directly provided by the output pulley 1s, which avoids the transmission loss caused by the intermediate transmission, reduces the workload of the mechanism providing the intermediate transmission, and improves the transmission efficiency and service life of the whole machine.
  • This embodiment provides a combine harvester, including the cleaning transmission system in Embodiment 1.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Transmission Devices (AREA)

Abstract

一种清选传动系统，包括与发动机传动连接的输出带轮（1s），输出带轮（1s）分三路传动输出，三路传动分布在机架（1）的同侧壁面上；第一路传动包括输出带轮（1s）、第一脱粒带轮（2s）和第二脱粒带轮（3s），第二路传动包括输出带轮（1s）和切碎器带轮（4s），第三路传动包括输出带轮（1s）、风机带轮（51s）、籽粒带轮（52s）、杂余带轮（53s）和筛选带轮（6s），所有带轮之间传动连接。还公开了一种联合收割机。通过将脱粒机构、切碎机构、风选机构、籽粒入仓机构、杂余复脱机构以及筛选机构的动力输入均设置在机架的同一侧面，使得整机的传动系统结构紧凑，且各机构的动力输入均由输出带轮直接提供，避免中间传动带来的传动损失，提升整机传动效率和使用寿命。

Description

一种清选传动系统及联合收割机 技术领域
本申请涉及农业机械技术领域，具体涉及一种清选传动系统及联合收割机。
背景技术
联合收割机是收割农作物的联合机，能够一次完成谷类作物的收割、脱粒、分离茎杆、清除杂余物等工序，从田间直接获取谷粒的收获机械。其包括收割机构、脱粒机构、切碎机构、筛选机构、风选机构等，收割机通过传动系统将发动机的动力输出至各机构以完成相应的功能。
现有的清选传动系统中，各机构的动力输入大多在机架的不同位置分散布置，甚至有些机构的动力输入端位于机架内部，在传动系统安装、调试、维修时需要更多的人工，耗费更多的精力，无疑增加了劳动成本。同时，各机构的动力输入存在中间传动，例如，切碎机构使用脱粒机构中的脱粒滚筒进行动力传动，脱粒滚筒在进行旋转脱粒时还要为切碎机构的旋转提供动力，容易增加脱粒滚筒的负荷，降低了整机的传动效率和使用寿命。
发明内容
因此，本申请要解决的技术问题在于克服现有技术中清选传动系统布局不合理，增加劳动成本，且存在中间传动，造成整机传动效率低。
根据本申请的一个方面，提出一种清选传动系统，包括：
与发动机传动连接的输出带轮；所述输出带轮分三路传动输出；所述 三路传动分布在机架的同侧壁面上；
第一路传动包括输出带轮、第一脱粒带轮和第二脱粒带轮；
第二路传动包括输出带轮和切碎器带轮；
第三路传动包括输出带轮、风机带轮、籽粒带轮、杂余带轮和筛选带轮；所有带轮之间传动连接。
优选地，上述清选传动系统还包括：
第一过渡轮，固定在所述机架上并设置在所述输出带轮和所述切碎器带轮之间；所述输出带轮与所述第一过渡轮传动连接；所述第一过渡轮与所述切碎器带轮传动连接。
优选地，上述清选传动系统还包括：
第二过渡轮，固定在所述机架上并设置在所述第三路传动中；所述输出带轮、风机带轮、籽粒带轮、第二过渡轮和杂余带轮之间传动连接；所述第二过渡轮与所述筛选带轮传动连接。
优选地，所述三路传动中均采用三角带传动连接。
优选地，所述第一脱粒带轮与所述第二脱粒带轮之间通过联组带传动连接。
优选地，上述清选传动系统还包括多个张紧组件，分布在相邻带轮之间，适于张紧相邻带轮之间的三角带。
优选地，任一所述张紧组件包括：
张紧臂，其一端铰接设置在所述机架上，另一端为自由端；
张紧轮，固定在所述张紧臂的自由端；
拉杆，固定在所述机架上；
所述拉杆与所述张紧臂之间设置拉伸弹簧；
所述张紧轮受所述拉伸弹簧的偏压力张紧抵接在所述三角带上。
优选地，籽粒绞龙穿设在所述机架上，且一端固定籽粒带轮，另一端连接粮仓绞龙；所述籽粒绞龙与所述粮仓绞龙之间设置变向齿轮箱。
优选地，杂余绞龙穿设在所述机架上，且一端固定杂余带轮，另一端连接复脱绞龙；所述杂余绞龙与所述复脱绞龙之间设置变向齿轮箱。
根据本申请的另一个方面，提供一种联合收割机，包括上述所述的清选传动系统。
本申请技术方案，具有如下优点：
1.本申请提供的清选传动系统，包括与发动机传动连接的输出带轮，输出带轮分三路传动输出，三路传动分布在机架的同侧壁面上。第一路传动包括输出带轮、第一脱粒带轮和第二脱粒带轮，第二路传动包括输出带轮和切碎器带轮，第三路传动包括输出带轮、风机带轮、籽粒带轮、杂余带轮和筛选带轮，所有带轮之间传动连接。将收割机的脱粒机构、切碎机构、风选机构、籽粒入仓机构、杂余复脱机构以及筛选机构的动力输入均设置在机架的同一侧面，使得整机的传动系统结构紧凑。所有传动带轮均设置在同侧，便于安装、控制和调试。且各机构的动力输入均由输出带轮直接提供，避免中间传动带来的传动损失，减少提供中间传动的机构的工作负荷，提升整机传动效率和使用寿命。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例中清选传动系统的结构示意图一；
图2为图1中S处的张紧组件的结构示意图；
图3为本申请实施例中清选传动系统的结构示意图二。
附图标记说明：
1、机架；1s、输出带轮；10s、中间传动轴；11s、输入带轮；2s、第一脱粒带轮；3s、第二脱粒带轮；4s、切碎器带轮；51s、风机带轮；52s、籽粒带轮；521s、籽粒绞龙；522s、粮仓绞龙；53s、杂余带轮；531s、杂余绞龙；532s、复脱绞龙；6s、筛选带轮；71s、第一过渡轮；72s、第二过渡轮；81s、张紧臂；82s、张紧轮；83s、拉杆；84s、拉伸弹簧；9s、变向齿轮箱。
具体实施方式
下面将结合附图对本申请的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接； 可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
此外，下面所描述的本申请不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
实施例1
本实施例提供一种清选传动系统，如图1所示，包括与发动机传动连接的输出带轮1s，输出带轮1s分三路传动输出，三路传动分布在机架1的同侧壁面上。
本实施例中，中间传动轴10s可转动地设置在机架1前端的两个轴承座内，其一端固定输入带轮11s，输入带轮11s通过主离合皮带与机架1上的发动机(图中未示出)传动连接，另一端固定输出带轮1s，用于传动连接收割机其他动力机构，其他动力机构包括脱粒机构、切碎机构、风选机构、籽粒入仓机构、杂余复脱机构以及筛选机构等。输出带轮1s为多槽带轮，输出带轮1s可以由多个多槽带轮共同组成，并同时固定在中间传动轴10s的一端，适于随中间传动轴10s转动。本实施例中，输出带轮1s与其他动力机构中的带轮之间均采用三角带传动连接，当然也可以采用链条，但链条传动平稳性不如三角带，其次是，脱粒滚筒堵塞，造成滚筒盖等部件被涨裂破坏时，链条都可能没断，仍在继续传输动力，容易造成部件损坏。而三角带传动时，出现上述情况时，三角带会出现打滑、烧带等现象，影响正常作业，以便于即使提醒用户进行停机清理和维修更换，不会造成 其他部件损坏，因此优选采用三角带传动。
如图1所示，第一路传动包括输出带轮1s、第一脱粒带轮2s和第二脱粒带轮3s。输出带轮1s与第一脱粒带轮2s之间采用三根C型三角带传动连接，使三角带整体横截面增大，提高传递功率。第一脱粒带轮2s与第二脱粒带轮3s之间采用2HB联组带传动连接。联组带能与带轮很好贴合，受力均匀，且传动稳定性和耐冲击性好，以适应脱粒滚筒高强度的工作环境。
第二路传动包括输出带轮1s和切碎器带轮4s。切碎器一般设置在机架1的尾端，与输出带轮1s之间的跨距较大，因此，在输出带轮1s与切碎器带轮4s之间的机架1上固定第一过渡轮71s，分成两级传动。第一过渡轮71s通过安装框可转动地设置在机架1上，并位于输出带轮1s与切碎器带轮4s的连线上。第一过渡轮71s采用多槽带轮。输出带轮1s与第一过渡轮71s之间传动连接，第一过渡轮71s与切碎器带轮4s之间传动连接。
第三路传动包括输出带轮1s、风机带轮51s、籽粒带轮52s、杂余带轮53s和筛选带轮6s。第三路传动中传动部件多且传动跨距大，因此，在第三路传动中设置第二过渡轮72s，同样分成两级传动。第一级传动为输出带轮1s、风机带轮51s、籽粒带轮52s、第二过渡轮72s和杂余带轮53s之间传动连接；第二级传动为第二过渡轮72s与筛选带轮6s之间传动连接。为保证筛选带轮6s与输出带轮1s的转动方向相反，第二过渡轮72s采用多槽带轮。第一级传动中，三角带的外侧面与第二过渡轮72s的轮槽面接触，使得第二过渡轮72s的转动方向与输出带轮的转动方向相反，从而使得与第二过渡轮72s传动连接的筛选带轮6s与输出带轮1s的转动方向相反。
本实施例中，在相邻的带轮之间安装张紧组件，如图2所示，任一张 紧组件包括张紧臂81s、张紧轮82s、拉杆83s和拉伸弹簧84s。本实施例中，张紧臂81s呈三角形结构，三角形的其中一角铰接安装在机架1上，另外两个角为自由端，其一自由端可转动地安装张紧轮82s，另一自由端与拉杆83s之间设置拉伸弹簧84s，拉杆83s固定在机架1上，且张紧轮82s位于张紧臂81s在机架1上的铰接点与拉杆83s在机架1上的固定点之间，使得常态下，张紧轮82s受拉伸弹簧84s的偏压力张紧抵压在三角带上。
如图3所示，本实施例中，籽粒绞龙521s水平穿设在机架1底部，其一端固定籽粒带轮52s，另一端通过变向齿轮箱9s连接粮仓绞龙522s，粮仓绞龙522s为竖直方向上的提升绞龙，适于将下方籽粒绞龙521s输送的籽粒向上提升从粮仓的上方进口进入粮仓。杂余绞龙531s水平穿设在机架1底部，其一端固定杂余带轮53s，另一端通过变向齿轮箱9s连接复脱绞龙532s，复脱绞龙532s为竖直方向上倾斜设置的提升绞龙，适于将下方杂余绞龙531s输送的裹挟籽粒的杂余向上提升至脱粒滚筒中进行复脱，以避免籽粒浪费。籽粒进仓和复脱的动力均通过输出带轮1s提供，结构简单紧凑。
将收割机的脱粒机构、切碎机构、风选机构、籽粒入仓机构、杂余复脱机构以及筛选机构的动力输入均设置在机架1的同一侧面，使得整机的传动系统结构紧凑。所有传动带轮均设置在同侧，便于安装、控制和调试。且各机构的动力输入均由输出带轮1s直接提供，避免中间传动带来的传动损失，减少提供中间传动的机构的工作负荷，提升整机传动效率和使用寿命。
实施例2
本实施例提供一种联合收割机，包括实施例1中的清选传动系统。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本申请的保护范围之中。

Claims (10)

  1. 一种清选传动系统，其特征在于，包括：
    与发动机传动连接的输出带轮(1s)；所述输出带轮(1s)分三路传动输出；所述三路传动分布在机架(1)的同侧壁面上；
    第一路传动包括输出带轮(1s)、第一脱粒带轮(2s)和第二脱粒带轮(3s)；
    第二路传动包括输出带轮(1s)和切碎器带轮(4s)；
    第三路传动包括输出带轮(1s)、风机带轮(51s)、籽粒带轮(52s)、杂余带轮(53s)和筛选带轮(6s)；所有带轮之间传动连接。
  2. 根据权利要求1所述的清选传动系统，其特征在于，还包括：
    第一过渡轮(71s)，固定在所述机架(1)上并设置在所述输出带轮(1s)和所述切碎器带轮(4s)之间；所述输出带轮(1s)与所述第一过渡轮(71s)传动连接；所述第一过渡轮(71s)与所述切碎器带轮(4s)传动连接。
  3. 根据权利要求1所述的清选传动系统，其特征在于，还包括：
    第二过渡轮(72s)，固定在所述机架(1)上并设置在所述第三路传动中；所述输出带轮(1s)、风机带轮(51s)、籽粒带轮(52s)、第二过渡轮(72s)和杂余带轮(53s)之间传动连接；所述第二过渡轮(72s)与所述筛选带轮(6s)传动连接。
  4. 根据权利要求1-3中任一项所述的清选传动系统，其特征在于，
    所述三路传动中均采用三角带传动连接。
  5. 根据权利要求4所述的清选传动系统，其特征在于，所述第一脱粒带轮(2s)与所述第二脱粒带轮(3s)之间通过联组带传动连接。
  6. 根据权利要求4所述的清选传动系统，其特征在于，还包括多个张紧组件，分布在相邻带轮之间，适于张紧相邻带轮之间的三角带。
  7. 根据权利要求6所述的清选传动系统，其特征在于，任一所述张紧组件包括：
    张紧臂(81s)，其一端铰接设置在所述机架(1)上，另一端为自由端；
    张紧轮(82s)，固定在所述张紧臂(81s)的自由端；
    拉杆(83s)，固定在所述机架(1)上；
    所述拉杆(83s)与所述张紧臂(81s)之间设置拉伸弹簧(84s)；
    所述张紧轮(82s)受所述拉伸弹簧(84s)的偏压力张紧抵接在所述三角带上。
  8. 根据权利要求4所述的清选传动系统，其特征在于，籽粒绞龙(521s)穿设在所述机架(1)上，且一端固定籽粒带轮(52s)，另一端连接粮仓绞龙(522s)；所述籽粒绞龙(521s)与所述粮仓绞龙(522s)之间设置变向齿轮箱(9s)。
  9. 根据权利要求4所述的清选传动系统，其特征在于，杂余绞龙(531s)穿设在所述机架(1)上，且一端固定杂余带轮(53s)，另一端连接复脱绞龙(532s)；所述杂余绞龙(531s)与所述复脱绞龙(532s)之间设置变向齿轮箱(9s)。
  10. 一种联合收割机，其特征在于，包括权利要求1-9中任一项所述的清选传动系统。
PCT/CN2021/090124 2020-12-30 2021-04-27 一种清选传动系统及联合收割机 WO2022141998A1 (zh)

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