阅读说明：本技术 一种用于收割机立式割台的传动装置、立式割台及收割机 (Transmission device for vertical header of harvester, vertical header and harvester ) 是由 唐文韬 任建华 张希升 秦德成 郭显刚 张丽艳 马喜林 于 2020-06-16 设计创作，主要内容包括：本公开涉及农业机械领域,具体的涉及一种用于收割机的立式割台的传动装置及收割机。本发明公开了一种用于收割机的立式割台的传动装置,包括主动轴,主动轴与变速箱的输入轴通过第一链条相连接；变速箱的输出轴一端通过第二链条与被动轴靠近第二输出口处相连接,另一端与变速换挡操纵机构的一侧连接；被动轴第一输出口连接摘穗喂入装置,第二输出口上安装超越离合器,通过超越离合器连接排草推运装置；通过在传动装置的主传动路线上配置变速箱,实现割台传动的多级转速调节,并能实现立式割台反转。(The utility model relates to the field of agricultural machinery, concretely relates to a transmission and harvester that is used for vertical header of harvester. The invention discloses a transmission device for a vertical header of a harvester, which comprises a driving shaft, wherein the driving shaft is connected with an input shaft of a gearbox through a first chain; one end of an output shaft of the gearbox is connected with the driven shaft close to the second output port through a second chain, and the other end of the output shaft of the gearbox is connected with one side of the speed-changing and gear-shifting control mechanism; the first output port of the driven shaft is connected with the ear picking and feeding device, the second output port is provided with an overrunning clutch, and the overrunning clutch is connected with the grass discharging and pushing device; the transmission gear box is arranged on the main transmission line of the transmission device, so that the multi-stage rotating speed adjustment of the header transmission is realized, and the vertical header can be reversely rotated.)

1. A transmission device for a vertical header of a harvester is characterized by comprising a driving shaft, wherein the driving shaft is connected with an input shaft of a gearbox through a first chain; one end of an output shaft of the gearbox is connected with the driven shaft close to the second output port through a second chain, and the other end of the output shaft of the gearbox is connected with one side of the speed-changing and gear-shifting control mechanism; the first output port of the driven shaft is connected with the ear picking and feeding device, the second output port is provided with an overrunning clutch, and the overrunning clutch is connected with the grass discharging and pushing device.

2. A drive for an upright header of a harvester as claimed in claim 1 wherein the gearbox housing is fixedly attached to the harvester frame by bolts.

3. A transmission for a vertical header of a harvester as in claim 1 wherein the other side of the variable speed shift operating mechanism is connected to an operating rod in the cab via a flexible shaft, the operating rod being fixed to the cab frame.

4. A drive for an upright header of a harvester as claimed in claim 1, wherein the drive shaft is provided with a first sprocket and the first chain is engaged with the first sprocket.

5. A drive for an upright header of a harvester as claimed in claim 1, wherein the input shaft of the gearbox is provided with a second sprocket, the first chain engaging with the second sprocket.

6. A transmission for an upright header of a harvester as claimed in claim 1, wherein the output shaft of the gearbox is fitted with a safety clutch, and the gearbox is provided with low and high gears and a reverse gear.

7. A drive for an upright header of a harvester as claimed in claim 1, in which the output shaft of the gearbox is provided with a third sprocket which cooperates with the second chain.

8. A drive for an upright header of a harvester as claimed in claim 1, in which the driven shaft is provided with a fourth sprocket adjacent the second output, the fourth sprocket engaging the second chain.

9. A vertical header characterized in that a transmission device for a vertical header of a harvester according to any one of claims 1 to 8 is used.

10. A harvester employing a vertical header as claimed in claim 9, the vertical header being attached to the front side of the harvester frame.

Technical Field

The utility model relates to the field of agricultural machinery, concretely relates to a transmission and harvester that is used for vertical header of harvester.

Background

The vertical header of the spike-stalk corn harvester has wide adaptability, and can basically adapt to different varieties, planting modes and harvesting habits in northern and southern corn regions. However, for very special varieties in special areas, such as harvesting early spring corn or sweet corn in the north of the river, the vertical header can only harvest the corn by adjusting the rotating speed, and if the vertical header needs to be adjusted in speed, a transmission chain wheel of a header main transmission line needs to be replaced, so that the operation is complex; in addition, when the vertical header is in operation, under the conditions of overlarge feeding amount and the like, a header snapping mechanism and the like can have blocking faults, the header snapping mechanism needs to be stopped when the blocking is cleared, and then the blocked material of the header is pulled out manually, so that the time and labor are wasted, and the material is dangerous; in view of the above situation, it is an urgent need to solve the problem of configuring a set of device capable of adjusting the rotation speed and reversing for the vertical header of the corn combine harvester for ears and stalks.

Disclosure of Invention

Aiming at the defects of the prior technical scheme, the invention aims to provide a transmission device for a vertical header of a harvester and the harvester.

In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:

the invention discloses a transmission device for a vertical header of a harvester, which comprises a driving shaft, wherein the driving shaft is connected with an input shaft of a gearbox through a first chain; one end of an output shaft of the gearbox is connected with the driven shaft close to the second output port through a second chain wheel, and the other end of the output shaft of the gearbox is connected with one side of the speed-changing and gear-shifting control mechanism; the first output port of the driven shaft is connected with the ear picking and feeding device, the second output port is provided with an overrunning clutch, and the overrunning clutch is connected with the grass discharging and pushing device;

further, the gearbox body is fixedly connected to the harvester frame through bolts;

furthermore, the other side of the speed change and gear shift control mechanism is connected with an operating rod in the cab through a flexible shaft;

furthermore, the operating rod is fixed on the cab frame;

furthermore, the speed change and gear shift control mechanism can be connected with the operating rod through a pull wire or a connecting rod;

further, a first chain wheel is arranged on the driving shaft, and the first chain is matched with the first chain wheel;

further, a second chain wheel is arranged on an input shaft of the gearbox, and the first chain is matched with the second chain wheel;

further, a safety clutch is mounted on an output shaft of the gearbox;

furthermore, when the vertical header of the harvester rotates forwards, the overrunning clutch drives the grass discharging and pushing device to operate, and when a blockage fault occurs, the inner sides of the chain wheels in the overrunning clutch are separated, and the hub idles;

furthermore, a low-speed gear, a high-speed gear and a reverse gear are arranged in the gearbox;

further, an output shaft of the gearbox is provided with a third chain wheel, and the third chain wheel is matched with the second chain;

furthermore, a driven shaft is provided with a fourth chain wheel close to the second output port, and the fourth chain wheel is matched with the second chain;

in addition, the invention discloses a vertical header, and the transmission device for the vertical header is adopted.

In addition, the invention discloses a harvester which adopts the vertical cutting table, and the vertical cutting table is connected to the front side of the harvester frame in a hanging mode.

The beneficial effects of one or more technical schemes are as follows:

1. the invention changes the traditional transmission device main transmission line into a single chain transmission mode, traditionally needs to match the requirement of rotating speed when in speed regulation, and replaces the tooth number of the transmission chain wheel on the driving shaft and the driven shaft to realize the required transmission ratio to reach the required rotating speed; according to the transmission device, a gearbox with multiple gears is arranged on a main transmission line of the transmission device, power of the gearbox is input through a driving shaft, and is transmitted to an output shaft through a chain after being transited by the gearbox; the gearbox can provide gears with multi-stage rotating speed, is provided with a reverse gear, and can also realize output reverse rotation.

2. The gear shifting operation of the gearbox is connected into a cab of the harvester through the flexible shaft, the wider adaptability of the transmission device is realized, and meanwhile, when a blockage fault occurs, a driver only needs to operate a gear shifting mechanism in the cab, a reverse gear is hung, the vertical header can rotate reversely, the blocked materials are discharged, manual cleaning is not needed, and time and labor are saved and the harvester is safer.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a transmission mounted on a harvester;

FIG. 2 is a schematic view of the transmission configuration;

FIG. 3 is a schematic view of the shift operating mechanism connecting lever;

FIG. 4 is a sprocket schematic of the overrunning clutch;

FIG. 5 is a schematic view of a transmission construction;

in the figure, 1, a speed change control mechanism, 2, a gearbox, 3, an overrunning clutch, 4, a first chain wheel, 5, a second chain wheel, 6, a third chain wheel, 7, a fourth chain wheel, 8, a first chain, 9 and a second chain.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention discloses a transmission device for a vertical header of a harvester, including a driving shaft connected with an input shaft of a gearbox through a first chain; one end of an output shaft of the gearbox is connected with the driven shaft close to the second output port through a second chain, and the other end of the output shaft of the gearbox is connected with one side of the speed-changing and gear-shifting control mechanism;

a first chain wheel is arranged on the driving shaft, and a first chain is matched with the first chain wheel; a second chain wheel is arranged on an input shaft of the gearbox, and the first chain is matched with the second chain wheel; when the transmission device works, two ends of the first chain are respectively matched with a first chain wheel on the driving shaft and a second chain wheel on the input shaft of the transmission case, and the driving shaft and the input shaft of the transmission case are connected through the first chain, so that the power of the driving shaft is transmitted into the transmission case;

the gearbox is fixed on the frame through a bolt and is just arranged on a main transmission path of the transmission device, and an output shaft of the power gearbox which receives input from a driving shaft of the transmission device is provided with a third chain wheel which is matched with the second chain; a fourth chain wheel is arranged on the driven shaft close to the second output port and matched with the second chain; two ends of a second chain are respectively arranged on a third chain wheel and a fourth chain wheel, an output shaft of the gearbox and a driven shaft are connected at a position close to a second output port through the second chain, the power of the output shaft in the gearbox is transmitted to the driven shaft through the second chain, the power transmitted from the driving shaft passes through the gearbox and then is transmitted to the driven shaft of the transmission device after being converted, and the ear picking and feeding device and the grass discharging and pushing device connected to the driven shaft are driven to work; a safety clutch is arranged on an output shaft of the gearbox; a low-speed gear, a high-speed gear and a reverse gear are arranged in the gearbox;

one side of the speed-changing and gear-shifting control mechanism is connected with an output shaft of the gearbox, and the other side of the speed-changing and gear-shifting control mechanism is connected with an operating rod in the cab through a flexible shaft; besides the flexible shaft connection, the speed-changing and gear-shifting control mechanism can also be connected with an operating rod through a pull wire or a connecting rod; the operating rod is fixed on the cab frame;

the first output port of the driven shaft is connected with the ear picking and feeding device, the second output port is provided with an overrunning clutch, and the overrunning clutch is connected with the grass discharging and pushing device; when the vertical header of the harvester rotates forwards, the overrunning clutch drives the grass discharging and pushing device to operate, drives the grass discharging and pushing device and related working parts to work, and the ear picking and feeding device connected with the first output port of the driven shaft operates normally; when a blockage fault occurs, the inner sides of the chain wheels in the overrunning clutch are separated, the hubs idle, the connected devices are guaranteed to be static, and the grass discharging and pushing device cannot rotate reversely and is kept in a static state.

The invention discloses a vertical header, which adopts the transmission device for the vertical header of a harvester;

the invention discloses a harvester, which adopts the vertical header provided by the invention, the vertical header is positioned at the front side of a harvester frame, and power provided by an engine of the harvester is input into the vertical header through a transmission belt;

the working process of the invention is as follows: during operation, a worker operates an operating rod in a cab to put the gearbox into a forward gear, and the gear speed is put on a proper gear as required to carry out normal harvesting operation; when the corn variety is harvested, the rotating speed of the transmission device needs to be adjusted, and a worker operates an operating lever in a cab to put a gearbox into a proper gear with low speed or high speed so as to adapt to the harvesting operation of the special variety of crops; when the vertical header system is blocked due to poor operation, overlarge feeding amount of an ear picking and feeding device or excessive weeds in harvesting operation, a worker operates an operating rod in a cab at the moment, a gearbox is hung in a reverse gear to drive the ear picking and feeding device to rotate reversely, and blocked materials are discharged mechanically, meanwhile, a grass discharging and pushing device connected with a second output port of a driven shaft cannot rotate reversely, and the second output port of the driven shaft is connected with the grass discharging and pushing device through an overrunning clutch; and after blockages are discharged, operating an operating lever in the cab, re-engaging the gearbox into a forward rotation gear, driving the transmission device to be in forward rotation, namely, the whole vertical header is in forward rotation, and then continuing to cut. The clutch device is arranged on one side of an output shaft of the gearbox, the other side of the output shaft of the gearbox is connected with the speed-changing and gear-shifting operating mechanism, when the blockage fault occurs, the clutch device of the gearbox is in a separation state, power is cut off, and a working component connected with the clutch device is protected from mechanical damage fault caused by overload.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.