JPS62175104A - Rolling apparatus of combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a rolling device such as a combine harvester, and can also be applied to a tractor tiller or other working devices.

[Conventional technology] Nbine is equipped with a reaping device that can be rolled left and right on the vehicle body, and by detecting the left and right inclination of the vehicle body using a horizontal sensor, the reaping device is rolled to a horizontal position and the cutting height is aligned horizontally. Problems to be Solved by the Invention In such rolling control of the reaping device, while the rolling control is working, the tilt of the vehicle body is constantly detected by the horizontal sensor, and the attitude of the reaping device is controlled in a horizontal position. If the rolling control circuit is temporarily turned off or otherwise, the rolling control circuit is turned off to prevent rolling. In such a case, it is desirable that not only the rolling function not work, but also that the rolling function be stopped only after the reaping device is parallel to the vehicle body.

Means for Solving the Problems The present invention provides a rolling control device that detects the left-right inclination of a vehicle body and rolls a working device relative to the vehicle body to control it in a horizontal position. A rolling device such as a combine harvester is provided with a parallel operating device that operates the device parallel to the vehicle body.

Effect of the Invention When the vehicle body tilts in the left-right direction while traveling, the working device integrated with it also tilts in the same direction, and the working device attempts to vary the height, depth, etc. from the soil surface at the left and right positions. However, the inclination of the vehicle body and working device is detected by detection using a horizontal sensor or the like, and as a result, the working device is controlled to roll in a horizontal position with respect to the vehicle body, and work is performed in a horizontal position.

When the parallel actuating device is operated in a state where such rolling action can be performed, even if the relative posture of the work equipment with respect to the vehicle body is tilted to the left or right due to the rolling action, the work equipment will not move relative to the vehicle body. By being operated in a parallel position, the vehicle body can travel.

Effects of the Invention As described above, even if the working device is in a state where rolling control can be performed with respect to the vehicle body, by operating the parallel actuating device, the working device can be operated in a parallel position with respect to the vehicle body. Even if you forget to turn off the control switch, you can return the work equipment to a parallel position and drive safely. Further, this parallel operating device can maintain a safe working condition by operating in conjunction with the operating section of the vehicle body or working device section.

Embodiment In the illustrated example, the combine harvester is mounted on a vehicle body (2) having a pair of left and right running devices (6) in the form of crawlers.
Threshing device (7), grain tank (8) for storing threshed grains
, a driver's seat (9), etc. are provided, and a reaping device (1), which is a working device, is provided in front of this vehicle body (2). A transmission device (10) for transmitting power to a traveling device (6), a reaping device (1), a threshing device (7), etc. is provided at the front of the vehicle body (2), and a transverse shaft ( 11) A cylindrical support frame (12) that can be vertically movable around the vehicle body (2), a lifting cylinder (13) that can be freely extended and contracted by hydraulic pressure between it and the vehicle body (2), and a link frame (14) that can be bent back and forth ( The link frame (14) is supported by intervening the link frame (15), and the link frame (14) is expanded and contracted by the lifting cylinder (13).
) (15) is expanded and contracted in the front and rear of the car body (2),
The structure is such that the support frame (12) is moved up and down around the horizontal axis (11) to control the elevation of the reaping device (1).

The reaping device (1) connects the left and right center portions of the reaper frame (16) to the lower end of the support frame (12) using rolling metal (17).
and rolling shaft (3), this rolling shaft (
3) The transmission mechanism in the reaper frame (1B) is connected to the transmission mechanism (1
0), shaft (11), etc., for transmission.

The rolling shaft (3) is provided horizontally in the front-rear direction on the negative side of the support frame (12), and the support frame (12) has an arm (18) shaped like a gate in plan view extending from both left and right sides of the support frame (12).
(19) is provided protrudingly, and a rolling cylinder (5) that is extendable and retractable by hydraulic pressure is provided between one arm (18) and the corresponding reaping machine frame (1B), and this rolling cylinder (5) c7 ) constitutes a rolling control device that rolls the reaping device (1) around the rolling shaft (3) by expansion and contraction. In addition, this arm (18) and the other arm (19) and the reaper frame (
A rolling guide rod (20) is provided between the
Rolling guide rod (20) fixed to the reaper frame (16)
Insert the guide groove (21) at the upper end of the arm (18) (Hl)
The structure is such that the rolling of the reaping device (1) is guided by being fitted into the reaping device (1).

The reaping device (1) includes a weed cutting frame (22)' from the front end of the reaping machine frame (16), a pulling device (24) with a culm lifting lug (23), and a culm raking device (25). , a clipper-type cutting blade device (2B), etc. is installed, and a horizontal sensor (4) is installed on the front extension line of the rolling shaft (3) at the rear of the upper part of the pulling device (25) as part of this cutting device (1). are provided on appropriate structural members so that the horizontal sensor bubble axis crosses in the left-right direction.

At the rear of the reaping device (1), there is a culm transfer device (27) that transfers the husk harvested by this reaping device M (1) to a transfer supply device (28) of the threshing device (7) at the rear upper part. It is arranged so that it can be moved up and down around the shaft (11) to adjust the depth at which the husk is fed to the threshing device (7).

The horizontal sensor (4) and the rolling cylinder (5) are configured in conjunction with an electromagnetic mechanism and a hydraulic circuit, and when the horizontal sensor (4) detects the left or right inclination,
A hydraulic valve is switched by a solenoid to send hydraulic pressure to the extension side or contraction side of the rolling cylinder (5), whereby the reaper frame (16) is rolled relative to the support frame (12) and the reaping device ( 1) is rolled to a horizontal position, the horizontal sensor (4) detects the horizontal state and releases the switching of the hydraulic pulp so that it does not expand or contract.

The parallel actuating device allows the reaping device (1) to tilt the vehicle body (2).
This reaping device (1) is operated parallel to the vehicle body (2) even when rolling (B) and (C) are activated.As shown in Fig. 7, the switch (28)
By turning on, the automatic contact (31) of the automatic control circuit (32) which automatically activates the rolling control device by the horizontal sensor (4) by means of the relay (30) is provided to be turned on, and the switch (29) is turned off. By doing so, the rolling control device stops the expansion and contraction of the rolling cylinder (5) at the neutral position regardless of the detection by the horizontal sensor (4), and the reaping device (1) is brought into a left-right parallel state with respect to the vehicle body (2). Parallel contact (34) of parallel control circuit (33)
) is set up to make it a person. For this parallel operation, a potentiometer or the like that detects the rotational position of the rolling metal (17) relative to the support frame (12) is used to control the rolling cylinder (
5) may be configured to expand and contract. (35) is a main switch for operating rolling control, and when it is desired to perform rolling control of the reaping device (1), such as in a reaping field where the soil is soft, this main switch (35) is turned on. Also, if you do not want to perform rolling control, turn off this main switch (35) and turn off the vehicle body (
The work may be carried out with the reaping device (1) parallel to 2), or with the main switch (35) in the on position and the parallel contact (34) in the on position. It may also be configured to perform work.

In addition to being manually turned on and off, the switch (29) can also be used in conjunction with clutch operation to manually cut the transmission clutch of a threshing device or reaping device. (29) is set to on, and when the clutch is in the disengaged state, the switch (28) may be disposed in relation to the off state.Also, when the gear of the traveling device (6) is set to high speed driving as in the state of driving on the road, the switch ( 29) may be arranged in such a relationship that it can be cut, so that it can be cut in conjunction with other operations or related parts as appropriate.

In addition, in Fig. 8, a circuit for eliminating the chattering phenomenon of rolling of the reaping device (1) is installed in the control circuit using the horizontal sensor (4), and the resistance value is changed using the potentiometer (36). ) to eliminate chattering. (37
) indicates an electrolytic capacitor.

Of the culm lifting device (24) of the reaping device (1), the cockpit (
9) At the two ends of the side part, there is a control panel (37) as shown in Figure 9.
The control panel (37) is equipped with a changeover switch (38) for switching the rolling control between automatic control, parallel control, and manual control.
A manual switch (38) for rolling upward to the right or downward to the right, and a speed adjustment dial (40) for adjusting the rolling speed to slow or fast are provided.
The configuration is such that the pilot can reach out from the cockpit (9) and operate these.

When the selector switch (38) is changed to "auto", the main switch (35) is turned on and the automatic contact (31) is turned on, and the automatic control circuit (32) turns on the horizontal sensor (
4) Automatically performs rolling control by detecting the inclination state. Also, when the changeover switch (38) is switched to "parallel", the parallel contact (30) is switched, and the rolling control of the reaping device (1) is controlled by the potentiometer etc. so that the reaping device (1) is parallel to the vehicle body (2). It becomes a posture.Also,
When the selector switch (38) is switched to "manual", rolling can be performed by operating the manual switch (38),
If you turn the manual switch (38) to "up to the right", the reaping device (1) will roll so that the right end side faces upward, and if you turn it to "down to the right", the reaping device (1) will roll so that the right end side faces downward. be done. The speed adjustment dial (40) is for adjusting the resistance of the potentiometer (36), and if you turn it to "speed", the sensitivity from the horizontal sensor (4) will be:
The potentiometer (3B) is more sensitive so that it can be applied to wet fields, and the reaping device (1) can be prevented from penetrating into the soil surface when the vehicle body (2) is tilted. In addition, if you turn it to "slow", you can conversely reduce the sensitivity, which is suitable for situations where there is a lot of vibration, such as when drying rice fields. This speed adjustment dial (40
) can be adjusted according to the condition of the harvested soil.

When performing reaping work without moving the machine forward, the cutting blade device (26) can reaped in
The rear transfer device (27) is transferred and the threshing device (7)
The grains are fed to the transfer supply device (28), and the ears are threshed in the threshing room. The threshed grains undergo a sorting action and are supplied to a grain tank (8) by a grain frying machine or the like.

When the traveling device (6) reaches soft soil, the vehicle body (2) tilts so that the left and right sides become deeper as shown in Fig. 5 or Fig. 7, and the reaping device (1) also tilts in the same direction. tilt to When tilting to the right in the direction of flight (a) of the aircraft (
(Fig. 5), the horizontal sensor (4) detects this inclination and causes the piston part (5) to extend the rolling cylinder (5).
29) is extended, the reaping device (1) is rolled (b) about the rolling axis (3) to the side opposite to the inclination of the vehicle body (2), and this reaping device (1)
) becomes horizontal (Fig. 6), the horizontal sensor (4) detects the horizontal state and stops rolling, and the reaping device (1)
), the cutting blade device (28) is parallel to the soil surface, and the height of the cutting of the grain culm is the same on the left and right sides.

Conversely, when the vehicle body (2) tilts to the left in the traveling direction (A) (Fig. 7), the horizontal sensor (4) detects this tilt and reduces the rolling cylinder (5). The reaping device (1) rolls (c) to the opposite side of this slope.
The reaping device (1) will be in a horizontal position (
Figure 8).

When the cutting height of the culm by the cutting blade device (26) of the cutting device (1) changes due to vertical movement or front/back inclination of the traveling device (6), manual operation using the operating device or the cutting device (
Detection by a cutting height sensor or the like provided in the weeding frame (22) in 1) causes the elevating cylinder (13) to extend or contract or is controlled to maintain the cutting height constant. At this time,
The support frame (12) rotates around the shaft (11) and the reaping device (1)
) is raised and lowered. Even if the cutting height is changed, the reaping device (1) maintains a rolling axis (3) relative to the support frame (12), a rolling position of the reaping device (1) around this rolling axis (3), and a horizontal sensor (4). ) etc. do not change, so rolling is performed independently of the cutting height.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a partial plan view, Figs. 3 to 6 are front views showing the operation, and Figs. 7 and 8. The figure is a partial circuit diagram, and FIG. 9 is a partial enlarged plan view. In the figure, (1) is the reaping device, (2) is the vehicle body, (3) is the rolling axis, (4) is the horizontal sensor, (5) is the rolling cylinder, (6) is the traveling device, and (28) is the switch. ,
(30) is a relay, (31) is an automatic contact, (32) is an automatic control circuit, (33) is a parallel control circuit, (34) is a parallel contact, (35) is a main switch, and (3B) is a potentiometer. .

Claims (1)

[Claims] In a rolling control device that detects the left-right inclination of a vehicle body and controls a working device to roll relative to the vehicle body to maintain a horizontal position, a parallel control device that operates the working device in a horizontal position relative to the vehicle body in a state where rolling control is possible. A rolling device such as a combine harvester that is equipped with an actuation device.