JPH05184235A - Switch for controlling grain-discharging auger of combine - Google Patents

Abstract

PURPOSE:To facilitate the assembly and adjustment of a change-over switch by providing a specific change-over switch acting by the gyration of a grain- discharging auger. CONSTITUTION:A change-over switch 2 actuated by the gyration of a grain- discharging auger is provided with a gyration stop contact 3 and a lowering start contact 4. The gyration stop contact stops the gyration of the grain- discharging auger above the housing position and the lowering start contact lowers the grain-discharging auger on an auger rest. The automatic housing operation is performed by turning the switch from the contact 3 to the contact 4. In the manual operation, the grain-discharging auger is stopped by the contact 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine grain auger control switch, and more particularly to control of the attitude position of a grain auger for discharging grains contained in a grain tank to the outside of the machine. ..

[0002]

2. Description of the Related Art In a large combine, a grain tank for temporarily storing harvested grains is provided, and when the grain tank becomes full, the grain auger stored in the machine is swung to move the grain. The grain is discharged from the tank to the outside of the machine. Since this grain auger is to be stored in a carrier to be discharged, the length of the grain auger is set to extend approximately in the front-rear direction of the machine body, and when the grain is discharged, the grain auger moves to the grain discharge position by turning and vertically rotating with respect to the body. At the same time, it is moved and returned to the original storage position on the upper surface of the machine body during reaping work other than grain discharge and traveling.

As described above, a motor and a hydraulic cylinder are provided for turning and vertically rotating the grain auger. These motor and hydraulic cylinder are operated by two operating devices, an automatic operating device or a manual operating device. Optimal operation control can be performed.

[0004]

However, when storing the grain auger by the automatic operating device or the manual operating device, a storage sensor for automatically setting the storage position of the turning grain auger in the automatic operation, In manual operation, there is a right limit sensor that sets the limit position to avoid collision of the turning grain auger on the cockpit, but this right limit sensor works even if it is operated by automatic operation. Since the turning is stopped, it must be provided after passing through the working position of the storage sensor (it does not work during manual operation). However, in many combine cases, the storage position and the cockpit are close to each other due to the layout, and it is necessary to operate the right limit sensor immediately after the storage sensor operates, especially in the case of a cabin type cockpit. Since the working positions of the sensors are very close to each other and the assembly adjustment of both sensors is delicate, the order of the working positions may be out of order.If this order is reversed, automatic operation is possible. A problem occurs in which the grain-removing auger that is turning is stopped midway and becomes unable to be stored.

Therefore, according to the present invention, a combination of the accommodating sensor during the automatic operation and the right limit sensor during the manual operation is provided as a common sensor that acts as a shared sensor, thereby forming a combination of the changeover switch. It is an object of the present invention to make the attachment adjustment extremely easy and easy without the trouble of adjusting the operating positions of both sensors as in the conventional case.

[0006]

According to the present invention, there is provided a changeover switch 2 which is switched by the turning of the grain auger 1, a turning stop contact 3 for stopping the turning of the grain auger 1 above the storage position, and the grain auger. 1 for lowering 1 onto the auger receiver 32. When the grain storage auger 1 is automatically stored, it operates by switching from the contact 3 to the contact 4, and when the manual operation is performed, the turning stop is stopped. A combine grain auger control switch is provided so as to stop the grain auger 1 by the contact 3.

[0007]

With the above configuration, the grain auger 1 for discharging the grains in the grain tank returns from the discharge position after the discharge to the auger receiver 32, which is the position for storing the grain auger on the upper surface of the machine. Although the turning movement is carried out in order to make the storage operation of the grain auger 1 automatic, the grain auger 1
When the swivel movement reaches above the auger storage position, the swivel stop contact 3 of the changeover switch 2 is turned off and the swivel is automatically stopped. Simultaneously with this stop, the changeover switch 2 is automatically changed over, and the grain auger 1 is removed. Fall start contact 4 to lower
Is entered and the grain auger 1 is landed on the auger receiver 32. When the storage operation of the grain auger 1 is performed manually, the operation is the same as the automatic operation until the turning stop contact 3 of the changeover switch 2 is turned off and the turning is automatically stopped. The grain auger 1 is set so as not to operate even when the start contact 4 is turned on, and after turning is stopped, the grain auger 1 is manually lowered to land on the auger receiver 32.

In this way, in either the automatic operation or the manual operation, turning is automatically stopped by turning off the turning stop contact 3 of the changeover switch 2. During this automatic operation, the grain start auger 1 is lowered by turning on the lowering start contact 4 that is automatically switched at the same time as it is stopped, but during manual operation, it is turned off by turning off the turning stop contact 3 used together. Even if the turning of the grain auger is stopped, the descending start contact 4 is not turned on, so the grain auger is held until it is not lowered until the next manual operation is performed in the stopped state. As a result, as in the above-described conventional case, the working positions of both sensors are very close to each other when the assembling adjustment of the storage sensor that is operated in the case of automatic operation and the right limit sensor that is operated in the case of manual operation are adjusted. , It is necessary to operate the right limit sensor immediately after the operation of the storage sensor, and when the relationship of the operating positions of both sensors is delicate and the order is reversed, the grain auger 1 turns during automatic operation. Is not stopped by the right limit sensor before it reaches the storage sensor and cannot be stored. Changeover switch 2 as a storage sensor, auger receiving auger 1 auger 32
With simple and easy positioning by simply assembling it to the position to stop above, the changeover switch 2 is shared in both cases of automatic operation and manual operation, and the grain auger 1 is accurately above the auger receiver 32. It can be stopped.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be specifically described below with reference to the drawings. The combine is a traveling device 5 composed of traveling crawlers long before and after traveling on a pair of soil surfaces on the left and right sides.
An undercarriage 6 is provided, and a mowing device 7 for mowing the planted culm is provided on the front side of the undercarriage 6 so that it can slide up and down so that it can be slidably contacted with the soil surface. A threshing device 8 for inheriting grain culms and threshing, a grain tank 9 for raising and accommodating the grains that have been threshed by the threshing device 8 by a grain lifting machine and the like are provided on the chassis 6.

The grain tank 9 is located at one side of the threshing device 8 at the rear of the chassis 6 and extends along the bottom of the grain tank 9 to the rear side of the grain shedding screw 33.
At the rear end portion of the tank grain-fixing screw 33, a grain-discharging gear box 10 that changes the direction of grains that are horizontally fed and discharged from the grain tank 9 into a vertical-feeding discharge is fixed, and the grain-graining gear box 10 of the grain tank 9 is almost fixed. The grain-removing auger base cylinder 11 that extends to the height of the upper end and is equipped with a vertical grain-removing screw 34 inside is capable of rotating in the vertical direction around the axis of the grain-removing grain box 1
The grain-removing auger 1 having the horizontal grain-feeding screw 35 provided therein has a length extending substantially in the front-rear direction of the machine body with the upper end of the grain-removing auger base cylinder 11 as a fulcrum. Is connected so as to be vertically rotatable so that the grain from the grain tank 9 can be discharged to the outside of the machine, and is configured to integrally swing with the grain-raising auger base cylinder 11 when turning left and right. ..

The grain-removing auger base cylinder 11 has a driven gear 12 provided on the outer periphery of the lower end portion thereof and a drive pinion 14 axially mounted on a motor 13 so as to engage with each other.
The grain-removing auger 1 is configured to be rotatable in the forward-reverse direction by the forward-reverse rotation of 3, and the grain-removing auger 1 is configured to be vertically rotatable with respect to the grain-removing auger base cylinder 11 by expanding and contracting the hydraulic cylinder 15 by hydraulic pressure. Further, the operation of the motor 13 and the hydraulic cylinder 15 is configured to be performed by operating a manual operation lever 18 provided on a side panel 17 of a cockpit 16 arranged on the front side of the grain tank 9.

Further, the operating lever 18 is provided so as to be tiltable from the neutral position to the left and right and the front and rear directions. When tilted to the left or right, the forward / reverse rotation device 19 of the motor 13 is controlled to interlock with the forward movement of the motor 13. Alternatively, the hydraulic cylinder 15 is expanded or contracted by controlling the descending solenoid 20 or the ascending solenoid 21 of the solenoid valve in the forward or backward tilting to extend or contract the hydraulic cylinder 15 to the left or right with respect to the machine body. It is configured to rotate and rotate up and down.

As switches for performing automatic operation, a discharge switch 22 for controlling the swing of the grain auger 1 from the storage position to the discharge position, a storage switch 23 for controlling the rotation of the grain auger 1 from the discharge position to the storage position, and the discharge switch A stop switch 24 for emergency stop of the operation of the grain auger 1 is provided, and a changeover switch 2 as a storage sensor for detecting that the grain auger 1 has swung to a storage position and stopping the swivel,
A positioning switch 25 is provided which detects that the grain auger 1 has reached a predetermined discharge position and stops the rotation. Further, the discharge switch 22, the storage switch 23, the stop switch 24, the changeover switch 2, the positioning switch 25 and the like are connected to the input side of the grain-removal auger control device 26 having a CPU, a memory and an input / output circuit. A forward / reverse rotation device 19 for operating the motor 13,
The descending and ascending solenoids 20 and 21 for operating the hydraulic cylinder 15 are connected to the output side of the grain auger control device 26.

Further, the discharge switch 22, the storage switch 23, and the stop switch 24 are centrally arranged in the vicinity of the operation lever 18 provided on the side panel 17.
Further, in order to actuate the changeover switch 2 by the rotation of the grain-removing auger base cylinder 11, a holding arm 2 for fixing and holding a switch mounting plate 27 to which the changeover switch 2 is attached.
8 is fixed to the machine body side corresponding to the length of the grain-removing auger base cylinder 11, and the switch mounting plate 27 is provided with an adjusting long hole 29 for adjusting the operating position of the changeover switch 2. An action projection 30 for actuating the changeover switch 2 is provided at an outer peripheral position of the grain auger base cylinder 11 corresponding to the action position of the changeover switch 2. Further, the positioning switch 25, the left limit switch 31 for restricting the leftward turning at the time of manual operation, and the like are appropriately mounted in combination with the action protrusions 30 ', 30 "in accordance with the changeover switch 2.

Further, the changeover switch 2 is a turning stop contact 3 for stopping the turning of the grain auger 1 above the storage position.
And a descending start contact 4 for lowering the grain-removing auger 1 onto the auger receiver 32 which is landed and locked on the upper surface of the machine body at the storage position, and the rotation of the grain-removing auger base cylinder 11 causes the grains to move. The action projection 30 is configured such that the turning stop contact 3 is normally returned to the on state so that the descending start contact 4 is turned on only when the turning stop contact 3 of the changeover switch 2 is turned off.

Next, the operation of the above configuration will be described. The grain harvested by the combine operation is stored in the grain tank 9. When the grains in the grain tank 9 are full, the combine operation is interrupted and the grains are transferred to a carrier or other container waiting on the farm road or the like. First,
When the discharge switch 22 is turned on and operated, the hydraulic cylinder 15 is extended by the rising signal from the grain auger control device 26, the grain auger 1 is rotated upward from the auger lock receiver 32, and the turning signal in the set direction is set. Is output to control the rotation of the motor 13 and the grain auger 1 turns, and when the positioning switch 25 operates, the turning is stopped. In this way
When the discharge switch 22 is turned on, the grain auger 1
Is controlled to rotate from the storage position to the discharge position. The grain auger 1 in the discharge position can be aligned with the discharge container by an adjustment operation such as a leftward / rightward rotation and a vertical rotation by the operation lever 18.

After the grain discharging work is completed, the storage switch 23
When the turning operation is turned on and turned rightward from the discharge position to the storage position, and when the turning stop contact 3 of the changeover switch 2 is actuated by the action protrusion 30 of the grain auger base cylinder 11 above the storage position, the grain auger is moved. The turning of No. 1 stops, and at the same time, the changeover switch 2 automatically switches from the turning action of the turning stop contact 3 to the entry action of the descending start contact 4, and the entry action of the descending start contact 4 causes the discharge The grain auger 1 descends for a set time and is landed and locked on the auger bridge 32.

By turning on and off the stop switch 24, the grain auger 1 under turning control can be emergency stopped by a stop signal from the grain auger control device 26 in preference to all signals. .. Also, when the operation lever 18 is turned from the discharge position to the storage position, the turning stop contact 3 of the changeover switch 2 is actuated to stop the turning of the grain auger 1, and at the next moment, The descending start contact 4 is switched to the on-action in conjunction with the turning operation of the turning stop contact 3, but in the case of a manual operation, even if the descending start contact 4 is switched to the on-action, the grain auger 1 is stopped. The grain auger control device 26 so that it does not operate as it is.
Is controlled by the operation lever 18 after this stop.
Is lowered to stop landing on the auger bridge 32. As described above, when the grain auger 1 is swung to the storage position, it can be automatically stopped above the storage position by the swivel stop contact 3 of the changeover switch 2 regardless of automatic operation or manual operation. , The right limit switch that restricts the right turn at the time of manual operation can be omitted and the changeover switch 2 can be used in common. The right limit switch becomes unnecessary, and the assembly and adjustment of the switches can be easily performed. It is profitable.

[Brief description of drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is an overall plan view of the combine.

FIG. 3 is an enlarged plan view of a cockpit.

FIG. 4 is an enlarged side view of a grain storing and grain removing unit.

FIG. 5 is an enlarged perspective view showing the working relationship between the grain auger base cylinder and the changeover switch.

FIG. 6 is a schematic operation diagram of a changeover switch.

FIG. 7 is a control block diagram of the grain auger.

[Explanation of symbols]

 1 Grain auger 2 Changeover switch 3 Turning stop contact 4 Fall start contact

Claims (1)

[Claims] 1. A changeover switch 2 which is switched by the turning of the grain auger 1, a turning stop contact 3 for stopping the turning of the grain auger 1 above a storage position, and a lowering of the grain auger 1 on an auger receiver 32. And a descent start contact 4 for making the grain-removing auger 1 operate automatically when the grain-removing auger 1 is automatically stored. Combine harvesting auger control switch provided to stop.