JPH04341115A - Device for operating combine - Google Patents

Abstract

PURPOSE:To prevent an overload from acting on a thresher when reaping conditions of grain culms are bad in a combine for transmitting feed chain of a reaper and the thresher through a transmission system and a speed changer independent of a travel device. CONSTITUTION:A speed change lever 1 is operated to a deceleration or a stopping position within a nonoperative travel speed region and the travel speed is reduced to a prescribed nonoperative travel speed or below. Thereby, the speed of a feed chain 4 of a thresher 3 is increased and controlled to a manually handleable conveying speed automatically or by operation of a feed switch 2 installed in the speed change lever 1.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a combine harvester operating device, and the present invention relates to a combine harvester operating device, and when the traveling speed of the combine is reduced to below the non-working traveling speed during reaping work, the conveying speed of the feed chain is constantly increased to handle the manual operation. This makes it possible to operate the system easily.

0002

[Prior Art and Problems to be Solved by the Invention] When the reaping operation conditions are bad, when the traveling speed of the combine is reduced or it is stopped mid-way, the transmission of the feed chain of the threshing device is also decelerated. or stop. When manually feeding clogged grain culms, etc., stop traveling, cut off the transmission to the reaping device, and switch the transmission to ON for only the threshing device to start the manual handling work. . Therefore, manual operations are troublesome.

[0003] In a transmission system in which power is transmitted between the traveling device and the reaping device of the combine independently, synchronized transmission between the reaping device section and the feed chain of the threshing device improves the grain culm transfer performance between them. However, under poor reaping conditions such as significant lodging of the grain culms, it is difficult to stop the reaping section and send the grain to the threshing section little by little.

0004

[Means for Solving the Problems] The present invention operates the gear shift lever 1 to a deceleration or stop position in a non-working traveling speed range, and when the traveling speed becomes below a certain non-working traveling speed, automatic transmission is performed. Alternatively, by operating the feed switch 2 provided on the speed change lever 1, the feed chain 4 of the threshing device 3 is controlled to increase to a manageable conveyance speed.

[0005]

[Operation and Effects of the Invention] During combine harvester operation, when the speed change lever 1 is operated to decelerate the reaping travel or move it to the stop position, the traveling speed becomes below a certain non-working traveling speed, and the threshing is automatically performed. Feed chain 4 of device 3
is increased to a manageable transport speed. In addition, when using manual operation, when the traveling speed falls below a certain non-working traveling speed,
By operating the feed switch 2 of the speed change lever 1, the feed chain 4 is raised to a manageable conveyance speed.

Therefore, even if the traveling and reaping device stops, the transmission of the threshing device 3 and the feed chain 4 is still available, and it is possible to change the grip of the clutch lever other than the gear shift lever 1. It can be easily and easily handled.

[0007]

[Embodiment] In FIGS. 1 to 6, a combine harvester is equipped with a reaping device 7, a threshing device 8, etc. on a chassis 6 having a crawler traveling device 5, and the power is transmitted by an engine 10 located below a driver's seat 9. . The reaping device 7 supports the rear end of the reaping frame 11 on a support frame 12 above the chassis 6 so as to be vertically movable, and has a lift cylinder 13 that extends and contracts with hydraulic pressure.
It is raised and lowered by Power transmission to each part of the reaping device 7 is carried out through an input shaft 1 to a rotating section supported by the reaping frame 11.
4, and the outside of the reaping section is transmitted through a transmission mechanism within the reaping frame 11. The reaping device 7 extends from the front side to the rear side, and includes a weeding frame 15, a grain culm lifting device 16 with tines that raises the divided grain culm in a fixed posture, and a grain culm pulled up by the grain culm lifting device 16. , a raking device 17 for raking, a cutting blade device 18 for reaping the stock base of the grain culm to be raked, a collection device 19 for collecting the cut grain culms rearward and conveying them to one side, A grain culm transfer device 20 and the like is provided to receive the collected grain culms and transfer them to the feed chain 4 of the rear threshing device 3.
The multi-row harvested grain culm is collected and fed to a threshing device 8 for threshing processing.

[0008] The threshing device 3 also has a handling trunk shaft 21 in the front-rear direction.
A handling cylinder 8 rotated around the threshing chamber is supported in the threshing chamber, and a feed chain 4 and a clamping rod are provided along the front-rear direction on one side of the threshing chamber to clamp and transfer the stock base of the grain culm. Regarding the interlocking structure from the engine 10 to each part, the engine 10
Power is transmitted from the shaft 22 to an input shaft 24 of a mission case 23 having a hydraulic continuously variable transmission HST, and the driving device 5
The sprocket shaft 25 is driven by the threshing clutch 26, and the threshing counter shaft 27 can be interlocked with the threshing clutch 26. The threshing counter shaft 27 is configured to transmit power to a feed chain via a transmission 28 and to an input shaft 14 of a reaping device 7 via a reaping clutch 29. Further, from the threshing counter shaft 27, a handling cylinder shaft 21 is connected to the threshing counter shaft 27.
, the sorting swing shelf drive shaft 30 of the threshing swing sorting device, and the winnowing shaft 31 of the sorting winnow.

A shift lever 1 for shifting the hydraulic continuously variable transmission device HST is provided on the control platform 32, and by rotating the shift lever 1 from a neutral position N toward the front F, the gear is shifted to a forward high speed range. Also, by rotating rearward, the gear can be changed to a reverse high speed range. This shift lever 1 is provided with a push button type feed switch 2, which can be turned on and off while holding the shift lever 1.

On the input side of the controller CPU having a microcomputer, in addition to the signal from the feed switch 2, there is also a vehicle speed sensor 33 that detects the running speed from the transmission rotation part in the transmission case 23, a gear shift lever via a potentiometer, etc. 1, and a signal from a lubricating switch 34 provided on the control platform 32, etc., is input. The output side is configured to output a clutch control motor 35 for operating the clutch, a speed change control motor 36 for changing the speed of the transmission 28, an oil pump 37, and the like.

Of these, the clutch control motor 35 is used to turn on and off the threshing clutch 26, the reaping clutch 29, etc. Further, the variable speed control motor 36 is connected to the reaping device 7.
This is to change the transmission speed between the feed chain 4 and the feed chain 4. The lubrication pump 37 injects lubricating oil into the transmission system of each part of the combine, and lubrication is carried out while the lubrication pump 37 is driving, and lubrication is not carried out while this drive is stopped. do not have.

When the gear shift lever 1 is placed in the neutral position N,
The traveling device 5 is not powered and no reaping work is performed. When the gear shift lever 1 is operated to the forward side F, the traveling transmission of the traveling device 5 becomes high speed sequentially, and by keeping the reaping clutch 29 and the threshing clutch 26 engaged, the rotation of the input shaft 14 of the reaping device 7 and the feed speed are increased. The rotation of the chain 4 is maintained at a set rotation suitable for harvesting. 39 is a rotation sensor for reaping input.

However, if the working speed decreases to the non-working speed due to an overload or the like during work, by turning on the feed switch 2, the vehicle speed sensor 33 detects this and the clutch motor 35 The threshing clutch 26 is controlled to be in the engaged state, and the speed change control of the transmission 28 is controlled by the output of the speed change control motor 36, and the feed chain 4 is rotated upward to a set manageable speed (FIG. 2). . At this time, the reaping clutch 29 is in the disengaged state.

Furthermore, without providing such a feed switch 2, the reaping clutch 29 is automatically disengaged by decelerating the speed change lever 1 to a speed below the non-working speed at which the reaping state is achieved. The feed chain 4 may be controlled and set to increase to a constant speed. 7 to 9, the difference from the above example is that the ratio of the transmission rotational speed of the reaping device 7 to the traveling vehicle speed of the traveling device 5 is set as the standard mode, which corresponds to the relationship during normal work, so that the grain culm does not lie down. The relationship between the two modes is set as a lodging mode, and these two modes are switched and reversed by a mode switch 38 provided on the control platform 32 or the grip portion of the speed change lever 1.

In FIGS. 10 and 11, the difference from the above example is that between the vehicle speed and the reaping input rotational speed, in the direction of increasing the reaping travel speed, the reaping input rotational speed passes the set lower limit, In the direction of slowing down, a hysteresis relationship (FIG. 11) is set so that the relative speed passes through the upper limit of the setting, in order to improve operability. 12 to 14, the difference from the above example is that a normal region of the reaping rotation is automatically set in the relationship between the vehicle speed and the reaping input rotation speed, and based on the setting pattern of this normal region, the difference between traveling and reaping is When the rotational relationship is out of order, a trouble check is performed by a check operation and a trouble signal is output. Further, in response to this trouble signal, the power supply circuit is automatically switched to the set switch B or C by the switching relay A in order to forcibly drive the speed change control motor 36 to the set position. The setting position of this speed change control motor 36 can be adjusted according to the working speed.

The difference in FIG. 15 from the above example is that by pressing the lubrication switch 34, the feed chain 4 and the reaping section are transmitted and rotated, and the lubrication pump 37 is driven, regardless of the position of the main shift by the shift lever 1. The configuration is such that That is, when the lubricating switch 34 is turned on, the reaping clutch 29 and the threshing clutch 2 are activated by the controller CPU.
6 is automatically turned on, the reaping transmission 28 is controlled to a constant speed, and the oil feed pump 37 is output so as to be driven.

[Brief explanation of drawings]

The figure shows an embodiment of the invention.

FIG. 1 is a control block diagram of main parts.

FIG. 2 is a flowchart.

FIG. 3 is a perspective view of the gear shift lever section.

FIG. 4 is a plan view of the combine harvester.

FIG. 5 is a side view thereof.

FIG. 6 is a diagram of a transmission mechanism.

FIG. 7 is a perspective view of another embodiment of the gear shift lever section.

FIG. 8 is a flowchart of part of the control.

FIG. 9 is a graph showing the relationship between vehicle speed and reaping input rotation speed.

FIG. 10 is a control flowchart of a partial embodiment.

FIG. 11 is a graph of another embodiment showing the relationship between vehicle speed and reaping input rotational speed.

FIG. 12 is a block diagram of a partial control device.

FIG. 13 is a control flowchart thereof.

FIG. 14 is a graph showing the relationship between vehicle speed and reaping rotation.

FIG. 15 is a control flowchart showing a partial example.

[Explanation of symbols]

1　　　　Shift lever 2 Infeed switch 3 Threshing device 4 Feed chain

Claims (1)

[Claims] Claim 1: When the speed change lever 1 is operated to a deceleration or stop position in the non-working speed range, and the speed becomes lower than a certain non-work speed, the speed change lever 1 is automatically activated. By operating the feed switch 2 provided,
A combine harvester operating device characterized by increasing the feed chain 4 of the threshing device 3 to a manageable conveyance speed.