CN212278899U - Transmission device for vertical header of harvester, vertical header and harvester - Google Patents

Abstract

The utility model relates to the field of agricultural machinery, concretely relates to a transmission, vertical header and harvester that are used for vertical header of harvester. The utility model discloses a transmission device for a vertical cutting table 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.

Description

Transmission device for vertical header of harvester, vertical header and harvester

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission and harvester that is used for the vertical header of harvester, through dispose the gearbox on transmission's final drive route, realize the driven multistage rotational speed of header and adjust to can realize the reversal of vertical header.

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

the utility model discloses a transmission device for a vertical cutting table 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-changing and gear-shifting 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;

additionally, the utility model discloses a vertical header adopts the transmission who is used for vertical header in this application.

Additionally, the utility model discloses a harvester adopts the vertical header in this application, and vertical header articulates in harvester frame front side.

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

1. the utility model 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 changes the number of teeth 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 by 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 present invention will be further explained with reference to the drawings 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 utility model 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;

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 utility model discloses a vertical cutting table, which adopts the transmission device for the vertical cutting table of the harvester;

the utility model discloses a harvester, which adopts the vertical cutting table of the application, the vertical cutting table is positioned at the front side of the frame of the harvester, and the power provided by the engine of the harvester is input into the vertical cutting table through a transmission belt;

the utility model discloses a working process: during operation, a worker operates an operating lever in a cab to shift the gearbox into a forward gear, and the gear is shifted to a proper gear as required to perform 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 hang a gearbox on a low-speed or high-speed appropriate gear, so that the corn variety harvester is suitable for harvesting 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 the operation during harvesting operation, a worker operates an operating lever 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, the blocked material is discharged mechanically, meanwhile, a grass discharging and pushing device connected with a second output port of a driven shaft cannot rotate reversely, the second output port of the driven shaft is connected with the grass discharging and pushing device through an overrunning clutch, when the gearbox is hung in the reverse gear, an inner chain wheel of the overrunning clutch is separated, a hub idles, the grass discharging and pushing device cannot rotate and is in a static state; and after blockages are discharged, operating an operating lever in the cab, re-engaging the gearbox into a forward 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, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. 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.

Claims (10)

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 a low gear and a high gear 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.

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