JP5402300B2 - Combine - Google Patents

Description

  The present invention relates to a combine having a grain unloading device for unloading grains stored in a Glen tank by air conveyance.

  Conventionally, a combine harvester that mainly harvests soybeans, etc., when a grain is taken out of the machine from a glen tank in order to harvest without damaging the grain and without damaging the commercial value, Avoiding the grain discharging device, an air conveying device is used which is hard to damage the grain surface. For example, in Japanese Patent Application Laid-Open No. 2002-65047, in a combine equipped with a grain carrying-out device using air, when the grain is not carried out, a blower blown by a blower is used to clean each part of the combine. The technique of the trial of using as a means for protecting the operator from dust by blowing out dust like a air curtain in front of a driver's seat without a cabin and further spreading dust is used.

Japanese Patent Laid-Open No. 2002-65047

  2. Description of the Related Art Conventionally, in a combine equipped with a grain carrying-out device that carries out grain outside the machine by using wind pressure that blows the grain of the grain tank from the blower (see Patent Document 1), when the grain is not discharged, the blower is replaced with another blower. There is an attempt to use it for work. For example, a technique has been disclosed in which wind blown from a blower is used for cleaning a dust net of a radiator or for blowing off dust floating in front of a driver's seat in order to protect an operator from dust.

  Thus, in the grain carrying-out device using wind pressure, when an operator erroneously inputs the transmission of the grain feeding device when the blower is used for operations other than the grain carrying-out work, the flow of pressurized wind is generated. There was a problem that only the grain of the Glen tank flowed into the no grain transport air passage and became clogged, causing the next unloading work to be confused. In addition, in the operation of the operator, after confirming the cutting operation of the grain carry-out device, there is a problem that the switching operation of the switching valve is required, and the operation is complicated and the configuration is unsafe. .

  In addition, in the conventional configuration, when the blower is used for work other than the grain carrying-out work, the combine moves naturally, the harvesting of the combine, the clutch of the threshing device is input by mistake, There was a problem of lack of safety such as transmission being connected.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, the invention described in claim 1 includes a grain conveying air passage (4) for carrying the grain in the Glen tank (3) mounted on the vehicle body (2) out of the machine by air conveyance, Grain fixed quantity feeding device (6) which provides a wind raising device (5) communicating with the grain conveying air passage (4) and communicates with the Glen tank (3) at an intermediate position of the grain conveying air passage (4). equipped with, to form該穀particle carrier air passage (4) open to grain discharge port end of (7), before KiKoku particle base from圧風extraction air passage of the carrier air passage (4) ( 9) is provided in a branched manner , and a switching valve (8) that enables switching operation from outside is provided between the inlet of the compressed air outlet air passage (9) and the inlet of the grain conveying air passage (4). When pivotally mounted, the switching valve (8) is switched, the grain conveying air passage ( 4 ) is closed, and the compressed air outlet air passage (9) is opened. The grain A combine, wherein the quantitative feeding apparatus (6) has a configuration in which a state can not be driven.

This ensures safety while simplifying the switching operation.
According to the second aspect of the present invention, the switching operation for closing the grain conveying air passage (4) and opening the compressed air outlet air passage (9) by the switching valve (8) is performed on the vehicle body (2). The combine according to claim 1, characterized in that it is made possible when the parking brake device (10) provided is in a locked state.

Thereby, when using the wind of a wind raising device (5) other than grain conveyance, the movement of a combine is stopped reliably and safety | security is ensured.
According to a third aspect of the present invention, when the switching valve (8) is switched to close the grain conveying air passage (4) and open the compressed air outlet air passage (9), the pre-cutting processing device The combine according to claim 1, wherein the transmission of the threshing device (16) and the threshing device (16) cannot be connected.

  Thus, when the wind of the wind raising device (5) is used for purposes other than grain conveyance, for example, the wind of the wind raising device (5) is used by configuring so that the reaping device and the threshing device cannot be driven. This ensures the safety of work such as when cleaning the vehicle body.

  According to the invention described in claim 1, when the switching valve (8) is switched in order to drive the wind-up device (5) and use the wind for operations other than grain unloading work, Therefore, if the grain quantity feeding device (6) is in a state where it cannot be driven, if the other operation (the grain quantity feeding device (6) is being driven) by the switching operation, the clutch is disengaged in conjunction. Can be simplified. Furthermore, during operations such as cleaning with compressed air, even if an operator mistakenly tries to drive the grain quantitative feeding device (6), it cannot be driven. 4) The grain in the grain tank (3) does not flow in, and the next grain discharging operation can be performed smoothly without clogging the grain conveying air passage (4).

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the switching operation of the switching valve (8) for using the wind of the wind generating device (5) for purposes other than grain conveyance is as follows: Since it becomes the structure which can be performed when the parking brake device (10) of the combine is applied, when using the wind generator (5) for operations other than carrying out the grain, for example, during the cleaning of the vehicle body (2) The combine (1) does not move, and can be stopped reliably with the parking brake applied, thereby improving safety.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1, for example, when the vehicle body (2) is cleaned using the wind of the wind generator (5), the pre-cutting process is performed. Since the device (17) and the threshing device (16) cannot be driven, work safety can be improved.

The side view which carried out the partial cross section which shows the principal part of this invention Cross-sectional view at the base of the grain conveying air passage Combine side view Top view of the combine Rear view of the wind generator Action diagram of switching valve Side view showing the installation of the wind generator Side view showing switching valve support structure Sectional drawing in the S1-S1 line of the previous FIG. Block diagram showing the control circuit Side view showing the wind generator

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, as shown in FIGS. 3 and 4, the combine 1 has a configuration of a type that mainly harvests grains such as soybeans, and is a full-throw type on the vehicle body 2 equipped with a pair of left and right crawlers 15 and 15. The threshing device 16 is mounted, and the pre-cutting processing device 17 is provided on the front side thereof. Then, the pre-cutting processing device 17 pivots a scraping reel 18 on the upper front side, equips a lower position with a cutting device 19, and places a transverse auger on a receiving frame 20 behind the cutting device 19. The cereals that have been shaved and harvested are transported and collected on one side (the left side in the traveling direction in the embodiment) and supplied to the transport start end of the side conveyor device 21. And the conveyor apparatus 21 is set as the structure which supplies all the cereals conveyed to the termination | terminus part to the said threshing apparatus 16. FIG.

And, as shown in the drawing, the Glen tank 3 is mounted side by side next to the threshing device 16 on the vehicle body 2, and is configured to cereal and store the grain after threshing and sorting. .
The general purpose combine 1 configured as described above is provided with a switch for raising and lowering the take-up reel 18, and when turning, the switch is operated to "up" and "down" to operate the take-up reel 18 up and down. However, a configuration is adopted in which the clutch of the pre-cutting processing device 17 can be controlled to be “disengaged” when the lowering operation is performed.

  By configuring in this way, the combine 1 of the embodiment, when turning, after raising the necessary pretreatment device 17 for the cutting, only by operating the take-up reel 18 to the lower side, Since driving stops, no load is applied and the load during turning can be greatly reduced. Then, the pre-cutting processing device 17 is held by the scraping reel 18 that has stopped the cereals in the receiving frame 20 while the transverse auger and the conveyor device 21 are stopped and the conveyance to the threshing device side is interrupted. There is also an effect that the fall to the front side is prevented and the turning loss during turning can be reduced.

  And in the combine of the said Example, if the raising / lowering switch of the picking-up rail 18 is turned ON again and a reel is raised, it is set as the structure which the clutch of the pre-cutting processing apparatus 17 connects this time.

  If comprised in this way, the combine 1 will be able to avoid the overload state (a load alarm may sound at the time of a turn) by reducing an unnecessary power loss while simplifying operation.

  Next, as shown in FIG. 1 to FIG. 4, the grain conveying air passage 4 communicates the starting end portion with the wind-up device 5 using a cylindrical member 4 a, and passes upward from the rear side through the lower part of the Glen tank 3. Is further extended toward the front side, and a grain outlet 7 is opened at the end portion. The cylindrical member 4a is rotated above and below the combine 1 in the vertical direction and the horizontal direction (can be swung up to 360 degrees in plan view) so that the grain discharge position can be selected from the grain discharge port 7. The configuration can be adjusted.

  The wind generating device 5 is provided with a blower in the shaft, and is transmitted from an engine (not shown) mounted on the vehicle body 2 and driven to generate the compressed wind generated by the grain conveying air passage. 4 can be blown.

  Next, as shown in the drawing, the grain quantitative feeding device 6 is arranged between the bottom portion of the grain tank 3 and the grain conveying air passage 4 and is a known device, so that the detailed explanation will be given. Although omitted, a fixed amount of grains can be supplied into the lower grain conveying air passage 4 while rotationally driving the rotary feeding device. In FIG. 4, reference numeral 23 denotes an electric motor, which is configured to transmit the above-described grain fixed quantity feeding device 6, but a manual discharge switch is provided in front of the driver seat 22.

1 and FIG. 2, the compressed air outlet air passage 9 is branched from the base of the grain conveying air passage 4 at a site close to the wind-up device 5 and is switched to the inside. A valve 8 is provided. Then, the switching valve 8 pressurizes the compressed air blown from the wind generating device 5 by switching operation of the switching operation lever 24 with the grain conveying air passage 4 closed and the compressed air outlet air passage 9 opened. The wind can be taken out. Then, as described above, the switching operation lever 24 alternately switches the switching valve 8 pivotably mounted between the inlet of the compressed air outlet air passage 9 and the inlet of the grain conveying air passage 4. However, at the same time, the lower changeover switch 25 is changed over.

  As shown in FIGS. 1 and 2, the changeover switch 25 is provided on the lower side of the changeover operation lever 24 so as to be switched by the changeover operation of the lever 24, and the compressed air take-out air passage 9. Is opened, and the inlet of the grain conveying air passage 4 is closed, it is turned off, and on the contrary, it is turned on when operated. The changeover switch 25 is a switch incorporated in the circuit of the electric motor 23 that transmits the grain quantitative feeding device 6. Therefore, the electric motor 23 is configured to be energized and started by the ON operation of the discharge switch of the driver seat 22 described above when the changeover switch 25 is in the ON state.

  Thus, the said grain fixed quantity delivery apparatus 6 makes the entrance of the pressurized wind extraction air path 9 open, and when the entrance of the grain conveyance air path 4 is a closed state, the said changeover switch 25 will be in the OFF state. Therefore, even if the operator turns on the discharge switch of the driver's seat 22 by mistaken operation, it cannot be driven.

  Therefore, in the embodiment, it is not necessary to operate the discharge switch of the grain quantitative feeding device 6 only by the switching operation of the switching valve 8, and even if the grain quantitative feeding device 6 is being driven, the switching operation is performed. Only by switching the lever 24, automatic stop can be performed, and the operation can be simplified. Furthermore, in the case of the embodiment, even if the operator mistakenly turns on the discharge switch of the grain quantitative feeding device 6 during the cleaning operation using the compressed air, the electric motor 23 does not start, The grain in the grain tank 3 will not flow into the grain conveying air passage 4 where the wind does not flow, and the grain conveying air passage 4 will not be clogged, ensuring the safety of the next unloading operation. It is supposed to be.

  In the embodiment, when the switching lever 24 is on the discharge side ("the switching valve 8 opens the grain conveying air passage 4 and closes the compressed air outlet air passage 9", hereinafter the same), before cutting. The processing device 17 and the threshing device 16 can be transmitted.

  Next, the combine 1 of the embodiment has a configuration in which a parking brake pedal 26 is provided in front of the driver's seat 22 so that the parking brake device 10 is applied for safety when parking and stopping. In the embodiment, the parking brake device 10 is in the locked state when the switching valve 8 is used to perform the switching operation for closing the grain conveying air passage 4 and opening the compressed air outlet air passage 9. The configuration is only possible in some cases.

  Therefore, in the embodiment, when the wind of the wind-up device 5 is used for purposes other than grain conveyance, for example, the combine 1 does not move during the cleaning of the vehicle body 2, and the parking brake device 10 is reliably engaged. It can stop in a state and can secure safety.

  Next, the combine 1 is configured so that the transmission of the reaping pretreatment device 17 and the threshing device 16 can be turned on and off by operating the clutch lever 27 beside the driver's seat 22. Then, as already described, the clutch lever 27 switches the switching valve 8 to close the grain conveying air passage 4 and open the compressed air outlet air passage 9 to generate the compressed air. When used for operations other than grain unloading work, the clutch cannot be switched to the entry side.

  Accordingly, in the embodiment, for example, when the vehicle body 2 is cleaned using the wind of the wind-up device 5, the pre-cutting processing device 17 and the threshing device 16 cannot be transmitted, so that work safety is ensured. be able to.

  And in the case of an Example, if the switching lever 24 forms the latching position (switching valve 8a, 8b of FIG. 6) of multiple places in the middle position of switching operation, as shown in FIG. The conveyance air passage 4 is closed, the compressed air take-out air passage 9 is opened, and the wind pressure (air flow) when using the compressed air for purposes other than grain unloading can be adjusted. There is an advantage that the wind pressure can be selected.

  Then, the switching device 30 (the base of the grain conveying air passage 4, the compressed air outlet air passage 9, the switching valve 8, the switching lever 24, the switching switch 25, etc.) is arranged outside the wind generator 5 as shown in FIG. The four mounting screws 31 can be freely attached and detached. Reference numeral 32 denotes an intake port.

Since the embodiment configured in this manner can be easily attached and detached, there is an advantage that maintenance such as component replacement can be easily performed.
Next, as shown in FIG. 7, the wind-up device 5 according to the embodiment has a configuration in which a mounting plate 37 is joined to the lower side surface 35 and the lower inclined surface 36 of the Glen tank 3 and screwed. Yes.

  In this case, as can be seen from the drawing, the wind-up device 5 can be installed at a position that enters the inner side from the lower side surface 35 of the Glen tank 3, so that the transmission mechanism such as the pulley 38 does not protrude outside. There is.

  Next, as shown in FIG. 8 and FIG. 9, the switching valve 8 is pivotally supported by a support pipe 40 mounted on the outside (upper side) of the cylindrical member 4 a constituting the grain conveyance air passage 4. An O-ring 42, 42 is inserted into both ends of the support pipe 40 to prevent air leakage. The switching lever 24 is fixed to the end of the rotation support shaft 41 so that the switching operation can be performed.

  Since the embodiment is configured as described above, there is a feature that the flow of the wind is smooth without loss by eliminating the obstacles and resistances in the grain conveying air passage 4. And the compressed wind which flows through the grain conveyance air path 4 is prevented from escaping outside by the O-ring, and is characterized by being effectively used in a state where there is almost no air leakage.

Next, the embodiment shown in FIGS. 10 and 11 will be described.
First, as shown in the drawing, the controller 45 is configured to connect a cleaning changeover switch 46, an engine start switch 47, a parking brake switch 48, and an illumination switch 49 on the input side to input operation information. The discharge electric motor 23, the monitor 50, and the engine 51 are connected to each other and controlled based on the output control signal. As shown in FIG. 11, the illumination switch 49 is provided at a position on the outside of the lower part of the glen tank 3 where it can be easily operated. The switch switches from discharging to cleaning. Then, “cleaning blower operation” is displayed on the cockpit monitor 50.

  Then, as described above, when the combine 1 is operated to switch the switching lever 24 from the discharge position to the cleaning side, the switching valve 8 closes the grain conveying air passage 4 and opens the compressed air outlet air passage 9. When the illumination switch 49 is turned on when the changeover switch 46 is not switched, the lamp becomes a blinking signal and an error is displayed on the monitor 50 screen.

  Normally, the engine cannot be started while it is stopped in a discharge state (a state where the discharge switch is turned on), and can be started when the engine is switched to the cleaning side.

DESCRIPTION OF SYMBOLS 1 Combine 2 Car body 3 Glen tank 4 Grain conveyance wind path 5 Winding device 6 Grain fixed quantity feeding device 7 Grain discharge port 8 Switching valve 9 Pressurized air extraction wind path 10 Parking brake device

Claims (3)

A grain conveyance air passage (4) for carrying the grain in the Glen tank (3) mounted on the vehicle body (2) out of the apparatus by air conveyance, and the grain conveyance air passage (4) communicate with each other. A wind raising device (5) is provided, and a grain quantitative feeding device (6) communicating with the Glen tank (3) is provided in the middle of the grain conveying air passage (4), and the grain conveying air passage ( open the end of 4) to form a grain outlet (7), provided to branch圧風take-out air passage (9) from the base of the front KiKoku particle carrier air passage (4),
A switching valve (8) that enables switching operation from outside is pivotally attached between the inlet of the compressed air outlet air passage (9) and the inlet of the grain conveying air passage (4),
When the switching valve (8) is switched to close the grain conveying air passage ( 4 ) and open the compressed air outlet air passage (9), the grain quantitative feeding device ( The combine characterized by having a configuration in which 6) cannot be driven.   The parking brake device (10) provided in the vehicle body (2) performs the switching operation for closing the grain conveying air passage (4) and opening the compressed air outlet air passage (9) by the switching valve (8). The combine according to claim 1, wherein the combine is made possible in a locked state.   When the switching valve (8) is switched to close the grain conveying air passage (4) and open the compressed air outlet air passage (9), the pre-cutting device (17) and the threshing device (16) The combine according to claim 1, wherein the transmission cannot be connected.

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