CN215683423U - Harvester header reversing device and harvester header - Google Patents
Harvester header reversing device and harvester header Download PDFInfo
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- CN215683423U CN215683423U CN202121541397.7U CN202121541397U CN215683423U CN 215683423 U CN215683423 U CN 215683423U CN 202121541397 U CN202121541397 U CN 202121541397U CN 215683423 U CN215683423 U CN 215683423U
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Abstract
The utility model discloses a harvester header reversing device and a harvester header, wherein the harvester header reversing device is arranged at the downstream of a header main transmission shaft and is arranged on a header frame; in the harvester header, the power output of an engine is transmitted to a header main transmission shaft, and a driving chain wheel transmits the power to a driven chain wheel through a main transmission chain; the power is transmitted into the header reversing device from the header driving shaft, is reversed by the reversing transmission mechanism and is transmitted into the front cutting device to drive the front cutting device to work; the problem of the structure complicacy that needs additionally to increase a switching-over sprocket and cause, the difficult maintenance of space crowding has been avoided, and the dismouting is maintained conveniently, and factor of safety is high.
Description
Technical Field
The utility model belongs to the technical field of corn harvester equipment, and particularly relates to a harvester header reversing device and a harvester header.
Background
The corn harvester is composed of: the corn harvester is a key part in the whole vehicle, and the running of all the mechanisms of the whole vehicle is powered by an engine and is transmitted to each required position by a transmission part; the transmission part is adjusted according to the requirements of all the working components, so that the rotating speed and the steering required by all the working components are met.
The header of the corn harvester on the current market has three main working components, namely a front cutting part, a header feeding auger part and a header ear picking box part; the power of the engine is output to the header main transmission shaft at the three positions, and then is transmitted to the three positions by the header main transmission shaft; the transmission steering of the header feeding auger part is consistent with that of the ear picking box part and is opposite to that of the front cutting part; so no matter what the output steering of the engine is, the transmission of at least one path of the engine must be reversed.
The traditional reversing structure is that a group of chain wheels is additionally arranged on the basis of not changing the original transmission structure to change the transmission direction, so that the transmission requirement of a working part is met; although the traditional reversing method can meet the reversing requirement, the traditional reversing method needs to occupy space for reversing the chain wheel on the original compact transmission layout, the weight and the manufacturing cost of the header are increased by adding one chain wheel, and the complexity of the mechanism is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a header reversing device of a harvester and a header of the harvester, and provides a header transmission reversing device which is stable in structure, simple in transmission, convenient to install and high in safety coefficient.
In order to achieve the technical purpose, the utility model adopts the following technical scheme;
a header reversing device of a harvester is arranged at the downstream of a header main transmission shaft, and further comprises,
a housing connected with the header frame; a cavity is arranged in the shell;
the reversing transmission mechanism is arranged in the cavity of the shell; the reversing transmission mechanism adopts parallel shaft gear transmission and comprises a driving gear and a driven gear which are in meshed transmission with each other, and a driving shaft and a driven shaft; one end of the driving shaft is connected with the axis of the driving gear, and the other end of the driving shaft extends out of the shell and is connected with the header main transmission shaft; one end of the driven shaft is connected with the axis of the driven gear; the other end is a power output end of the harvester header reversing device.
Further, the gear ratio of the driving gear to the driven gear is 1: 1.
Further, the driving gear and the driven gear are both cylindrical gears.
Furthermore, the driving shaft is connected with the driving gear through a spline, and the rear end face of the driving shaft is connected with the shell; the driven shaft is connected with the driven gear through a spline; the front end face of the driven shaft is connected with the shell.
A harvester header comprises a header main transmission shaft, a front cutting device, a header feeding auger device and a header ear picking box device, and further comprises a harvester header reversing device, wherein the harvester header reversing device is arranged between the header main transmission shaft and the front cutting device.
Furthermore, the header main transmission shaft is connected with a driving shaft of the header reversing device of the harvester through a chain transmission mechanism; the chain transmission mechanism comprises a driving chain wheel connected with the header main transmission shaft, a driven chain wheel connected with the driving shaft and a main transmission chain.
Further, the power input unit of the front cutting device comprises an input belt wheel; the power output unit of the front cutting device comprises an output belt wheel; the input belt wheel is connected with the output belt wheel through a belt.
Furthermore, the rear end of a driven shaft of the harvester header reversing device is connected with an input belt wheel of the front cutting device.
The utility model has the beneficial effects that:
firstly, through the implementation of the scheme, the reversing transmission mechanism is used, the parallel shaft gear transmission is used for realizing the reversing transmission of the header, the power is transmitted from the header main transmission shaft, and the reversing is completed through the internal gear, so that the structure is stable, the transmission is simple, and the cost is reduced; meanwhile, the problems that the structure is complex and the space is crowded and the maintenance is difficult due to the fact that a reversing chain wheel needs to be additionally added are avoided, the dismounting and the maintenance are convenient, and the safety factor is high.
Secondly, in order to ensure that the transmission is not influenced in the reversing process, the gear ratio of a driving gear and a driven gear of the reversing device is 1: 1.
Thirdly, in the harvester header of the scheme, the power of an engine is output and transmitted to a header main transmission shaft, and a driving chain wheel transmits the power to a driven chain wheel through a main transmission chain; the power enters a driving shaft of a header reversing device of the harvester, is transmitted into the header reversing device by the driving shaft, is transmitted into a front cutting device after finishing power reversing through a reversing transmission mechanism, and drives the front cutting device to work so as to finish power reversing and transmission; the complicated structure that the traditional reversing mode needs to be added with a reversing chain wheel is avoided, the assembly, the disassembly and the maintenance are convenient, and the reliability is stronger.
Fourth, cut the device before and adopt belt transmission, cut the device load when too big before, can play the whole driven effect of protection harvester header, factor of safety is higher.
Drawings
FIG. 1 is a schematic view of a header structure of the harvester of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of a structural view of a header diverter of the harvester of the present invention;
description of the symbols:
1. the cutting table comprises a cutting table main transmission shaft, 1-1 driving chain wheel, 1-2 driving transmission chains, 1-3 driven chain wheels, 2 cutting table reversing devices of the harvester, 2-1 shell, 2-2 driving shafts, 2-3 driving gears, 2-4 driven gears, 2-5 driven shafts, 3 cutting table frames, 4-1 input belt wheel, 4-2 belts and 4-3 output belt wheels.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-2, a header of a harvester comprises a header main transmission shaft 1, a front cutting device, a header feeding auger device, a header ear picking box device and a header reversing device 2 arranged between the header main transmission shaft 1 and the front cutting device; the header feeding auger device, the header ear picking box device and the header main transmission shaft 1 are in consistent steering, so that transmission reversing is not needed. The power is directly transmitted to a header feeding auger device and a header snapping bin device through a header main transmission shaft to complete power transmission; and the front cutting device and the header main transmission shaft 1 are opposite in direction, and a header reversing device 2 of the harvester is arranged for transmission reversing.
The header main transmission shaft 1 is connected with a driving shaft 2-2 of a header reversing device 2 of the harvester through a chain transmission mechanism; the chain transmission mechanism comprises a driving chain wheel 1-1 connected with a header main transmission shaft, a driven chain wheel 1-3 connected with a driving shaft 2-2 of a header reversing device 2 of the harvester and a main transmission chain 1-2, and power transmission is completed to enter the header reversing device 2 of the harvester.
The power input unit of the front cutting device comprises an input belt wheel 4-1; the power output unit of the front cutting device comprises an output belt wheel 4-3; the input belt wheel 4-1 is connected with the output belt wheel 4-3 through a belt 4-2, the front cutting device adopts belt transmission, when the load of the front cutting device is overlarge, the integral transmission effect of the header can be protected, and the safety factor is higher.
As shown in fig. 1-3, the header reversing device 2 of the harvester disclosed by the utility model is arranged on a header frame 3 and comprises a shell 2-1 and a reversing transmission mechanism, wherein the shell 2-1 is fixedly connected with the header frame 3; a cavity is arranged in the shell 2-1; the reversing transmission mechanism is arranged in the cavity of the shell; the reversing transmission mechanism is driven by a parallel shaft gear and comprises a driving shaft 2-2, a driving gear 2-3, a driven gear 2-4 and a driven shaft 2-5, wherein the front end of the driving shaft 2-3 extends out of the shell 2-1 and is fixedly connected with the axis of the inserted driven chain wheel 1-3, and the front end surface of the driving shaft is fixedly connected with the driven chain wheel 1-3; the rear end of the driving gear is inserted into the axis of the driving gear 2-3, and the rear end surface of the driving gear is connected with the shell 2-1; the driving shaft 2-3 is connected with the inner wall of the shell 2-1 through a ball bearing; the driving gear 2-3 is arranged in the shell 2-1; the driven gear 2-4 is arranged in the shell 2-1; driven gear 2-4 and driving tooth 2-3 wheel meshing transmission, the gear ratio of driving gear 2-3 and driven gear 2-4 is 1:1, ensuring that the transmission is not influenced in the reversing process; the front end of the driven shaft 2-5 is inserted into the axial center of the driven gear 2-4; the rear end of the driven shaft 2-5 extends out of the shell 2-1 and is inserted into an input belt wheel 4-1 of the front cutting device; the rear end face of the driven shaft 2-5 is fixedly connected with the end face of the input belt wheel 4-1; the driving shaft 2-2 and the driven shaft 2-5 are parallel to each other; the driven shaft 2-5 is connected with the inner wall of the shell 2-1 through a ball bearing; the driving gear 2-3 and the driven gear 2-4 are in parallel shaft gear transmission, and preferably, the driving gear 2-3 and the driven gear 2-4 are cylindrical gears.
When the cutting machine works, the power of an engine is output and transmitted to a header main transmission shaft 1, and a driving chain wheel 1-1 transmits the power to a driven chain wheel 1-3 through a main transmission chain 1-2; power enters a header reversing device 2 of the harvester; after the power reversing is completed by the internal driving gear 2-3 and the internal driven gear 2-4, the power is transmitted to a power input unit of the front cutting device to drive the front cutting device to work; the whole power transmission reversing process has stable structure, simple transmission and reduced cost; meanwhile, the problems that the structure is complex and the space is crowded and the maintenance is difficult due to the fact that a reversing chain wheel needs to be additionally added are avoided, the dismounting and the maintenance are convenient, and the safety factor is high.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention, and any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention; accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A header reversing device of a harvester is arranged at the downstream of a header main transmission shaft and is characterized by comprising,
a housing connected with the header frame; a cavity is arranged in the shell;
the reversing transmission mechanism is arranged in the cavity of the shell; the reversing transmission mechanism adopts parallel shaft gear transmission and comprises a driving gear and a driven gear which are in meshed transmission with each other, and a driving shaft and a driven shaft; one end of the driving shaft is connected with the axis of the driving gear, and the other end of the driving shaft extends out of the shell and is connected with the header main transmission shaft; one end of the driven shaft is connected with the axis of the driven gear; the other end is a power output end of the harvester header reversing device.
2. The harvester header reversing device of claim 1, wherein a gear ratio of the driving gear to the driven gear is 1: 1.
3. The harvester header reversing device of claim 1, wherein the drive gear and the driven gear are both cylindrical gears.
4. The harvester header reversing device according to claim 1, wherein the drive shaft is connected with the drive gear through a spline, and a rear end face of the drive shaft is connected with the housing; the driven shaft is connected with the driven gear through a spline; the front end face of the driven shaft is connected with the shell.
5. A harvester header comprises a header main transmission shaft, a front cutting device, a header feeding auger device and a header ear picking box device, and is characterized by further comprising a harvester header reversing device according to any one of claims 1 to 4, wherein the harvester header reversing device is arranged between the header main transmission shaft and the front cutting device.
6. The harvester header of claim 5, wherein the header main drive shaft is connected with a drive shaft of the harvester header reversing device through a chain drive mechanism; the chain transmission mechanism comprises a driving chain wheel connected with the header main transmission shaft, a driven chain wheel connected with the driving shaft and a main transmission chain.
7. The harvester header of claim 5, wherein the power input unit of the forward cutting device includes an input pulley; the power output unit of the front cutting device comprises an output belt wheel; the input belt wheel is connected with the output belt wheel through a belt.
8. A harvester header as claimed in claim 7, in which the rear end of the driven shaft of the header diverter is connected to an input pulley of the forward cutting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541397.7U CN215683423U (en) | 2021-07-07 | 2021-07-07 | Harvester header reversing device and harvester header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541397.7U CN215683423U (en) | 2021-07-07 | 2021-07-07 | Harvester header reversing device and harvester header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215683423U true CN215683423U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541397.7U Active CN215683423U (en) | 2021-07-07 | 2021-07-07 | Harvester header reversing device and harvester header |
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| Country | Link |
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| CN (1) | CN215683423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116868776A (en) * | 2023-07-28 | 2023-10-13 | 九方泰禾国际重工(青岛)股份有限公司 | Header transmission system and corn harvester |
-
2021
- 2021-07-07 CN CN202121541397.7U patent/CN215683423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116868776A (en) * | 2023-07-28 | 2023-10-13 | 九方泰禾国际重工(青岛)股份有限公司 | Header transmission system and corn harvester |
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