JP5794411B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

  Conventionally, a side of the threshing room is provided with a corn supply / conveyance device that supplies and conveys the cereal supplied to the threshing chamber, and the cereal supply / conveyance device operates an emergency stop switch that causes an engine provided at a predetermined position to be urgently stopped. Therefore, the configuration for stopping the drive to the supply conveyance chain is known (Patent Document 1).

JP 2003-333920 A

The known example has a problem in that it merely cuts off the driving force to the supply and transfer chain.
In other words, even if the transmission of the driving force to the supply and transfer chain is interrupted, the supply and transfer chain does not stop immediately due to the inertial force of the power drive system or the supply and transfer chain itself. There is a fear that clothes will be pulled in.
This application aims at stopping the movement of a supply conveyance chain rapidly by the structure which brakes the supply conveyance chain of a grain supply supply apparatus.

The invention of claim 1 is provided with a threshing chamber 3 having a handling cylinder 2 mounted thereon, and a side 16 of the threshing chamber 3 is fed with pestle 16 and a feeding and conveying chain 17 while feeding the threshing chamber 3 to the threshing chamber 3. The corn supply / conveyance device 15 is provided, and the cereal supply / conveyance device 15 cuts off the transmission of the driving force to the supply / conveyance chain 17 by operating the emergency stop switch 27 for urgently stopping the engine provided at a predetermined position. while engage the pin 34 in which a plurality of protrusions 31 provided in the braking member 33 connects each link of the supply conveyor chain 17, a configuration for stopping the movement of the supply conveyor chain 17 due to inertia, the braking member 33 is provided on the non-conveying side of the supply / conveying chain 17, and a tension spring 40 that abuts from the inside to tension the supply / conveying chain 17 is provided at the intermediate portion on the non-conveying action side of the supply / conveying chain 17, 3 is configured to engage the supply transport chain 17 in a direction opposite to the direction of the action of the tension spring 40 in a portion between the drive sprocket 22 and the tension spring 40 on the non-transport operation side of the supply transport chain 17. The supply and transfer chain 17 is configured to be able to open sideways around the mounting shaft 24 at the front while leaving the brake member 33 provided on the machine body and the drive means 35 for operating the brake member 33 on the machine body side. When the emergency stop switch 27 is operated, the transmission of the driving force to the supply conveyance chain 17 is interrupted, and the plurality of protrusions 31 of the braking member 33 are connected to the supply conveyance chain 17. The movement of the supply conveyance chain 17 is stopped by engaging with the pins 34 connecting the links.

  In the first aspect of the invention, the operation of the emergency stop switch 27 interrupts the transmission of the driving force to the supply conveyance chain 17, and the plurality of protrusions 31 of the braking member 33 connect the links of the supply conveyance chain 17. 34, the movement of the supply / conveyance chain 17 is stopped, so that the supply / conveyance chain 17 which is intended to continue the movement due to inertia can be quickly stopped, and the safety can be improved.

The side view of a combine. Schematic which shows an example of the conveyance path | route from a reaping apparatus to a grain supply supply apparatus. The side view of a grain supply supply apparatus. The side view of a braking member. The side view of the grain supply and conveying apparatus of another Example. The side view of the grain supply and conveying apparatus of another Example. The side view of the grain supply and conveying apparatus of another Example. The enlarged view of the braking member comprised by the partial side view and shaft bar body of the grain supply and conveyance apparatus of other Examples. The side view of the grain supply and conveying apparatus of another Example. The front view of the grain supply and conveying apparatus of another Example. The front view of the grain supply and conveying apparatus of another Example. The front view of the grain supply and conveying apparatus of another Example. The front view of the grain supply and conveying apparatus of another Example. Schematic diagram of transmission mechanism. The transmission mechanism schematic of another Example.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings of a combine. Reference numeral 1 denotes a fuselage frame of the combine, 2 a traveling device provided below the fuselage frame 1, 3 a threshing device provided above the fuselage frame 1, and 4 a threshing A mowing device 5 provided on the front side of the device 3, a grain tank 5 provided on the side of the threshing device 3, and a control unit 6 provided on the front side of the grain tank 5.
The reaping device 4 has a weeding device 8 arranged side by side at the most advanced position, and a pulling device 9 for raising the cereals weeded by the weeding device 8 is provided on the rear side of each weeding device 8, A cutting blade 10 is provided on the rear side of the device 9, and a culm transporting device 11 that transports the culm cut by the cutting blade 10 is provided on the rear side above the cutting blade 10. 12 is a cereal conveying chain, 13 is a lag type conveying device, 14 is a rear conveying chain, 14A is a handling depth adjusting device, 14B is a takeover conveying device, and 14C is an auxiliary supply device.

At the side of the threshing device 3, a cereal supply transport device 15 that supplies the threshing device 3 to the threshing device 3 is provided. The cereal supply / conveyance device 15 is configured to hold and convey the cereal by a cocoon 16 and a supply / conveyor chain 17 that are positioned upward and downward.
The supply conveyance chain 17 is hung around a front passive sprocket 21 and a rear drive sprocket 22 provided in front of and behind a chain guide rail 20 in the front-rear direction. The chain guide rail 20 is attached to a rail support frame 23.
The rail support frame 23 is attached to the airframe fixing portion 25 so that the front portion of the rail support frame 23 can be pivoted around the attachment shaft 24 whose longitudinal axis L is oblique.
Accordingly, the chain guide rail 20 is configured to rotate about the attachment shaft 24 together with the rail support frame 23 so as to rotate the supply conveyance chain 17 sideways.

The cereal supply / conveyance device 15 is deactivated by turning off rotation transmission to the cereal supply / conveyance device 15 by an emergency stop switch 27 provided at a predetermined position, or by stopping an engine (not shown). When the stop operation of the grain supply / conveyance device 15 is started, the lock device 30 stops the movement of the supply / conveyance chain 17 of the grain supply / conveyance device 15.
Therefore, the movement of the supply conveyance chain 17 due to inertia can be stopped by the lock device 30, and safety can be improved.
The locking device 30 is configured to engage a braking member 33 having a plurality of protrusions 31 with pins 34 that connect the links of the supply and transport chain 17.
Therefore, the plurality of protrusions 31 and the plurality of engaging grooves 32 of the braking member 33 are engaged with the pins 34 connecting the links of the supply / conveyance chain 17 so that the movement of the supply / conveyance chain 17 due to inertia can be stopped quickly. , Improve safety.

The brake member 33 is provided with a driving means 35 so as to be interlocked with the emergency stop switch 27, and the brake member 33 is engaged with the pins 34 connecting the links of the supply conveyance chain 17 by the operation of the emergency stop switch 27. The configuration is as follows. The drive means 35 is arbitrary and is constituted by a motor, various cylinders, a solenoid, and the like.
In this case, the driving means 35 in FIG. 3 is provided below the movement path of the supply conveyance chain 17 returning from the drive sprocket 22 to the passive sprocket 21, and the braking member 33 is engaged with the supply conveyance chain 17 from below. 5 is provided above the moving path of the supply transport chain 17 returning from the drive sprocket 22 to the passive sprocket 21, and the brake member 33 is engaged with the pin 34 from the upper side (inner side) of the supply transport chain 17. Pressed.
Further, a tension spring 40 for tensioning the supply / transport chain 17 is provided at a predetermined intermediate portion of the chain guide rail 20 before and after the brake member 33 is connected to the supply / transport chain 17 in a direction opposite to the direction in which the tension spring 40 acts on the supply / transport chain 17. (FIG. 3).

That is, since the tension spring 40 is in contact with the inner side of the supply / conveyance chain 17 and pushes it outward, the braking member 33 moves from the outer side of the supply / conveyance chain 17 to the inside to engage. Yes.
Therefore, the braking member 33 can be engaged with the supply conveyance chain 17 by effectively using the action of the tension spring 40, and the locking reliability of the locking device 30 can be improved.
Although not shown, the braking member 33 may be provided between the tension spring 40 and the vicinity of the attachment shaft 24 that rotates the supply and transport chain 17 outwardly.
Therefore, the tension spring 40 and the lock device 30 do not interfere with each other, and the supply conveyance chain 17 can be easily rotated outwardly.
The driving means 35 and the braking member 33 of the locking device 30 are provided on the machine body side of the threshing device 3.

Therefore, when the supply transport chain 17 is rotated outwardly, the lock device 30 remains on the machine body side, and the configuration of the outer open rotation of the supply transport chain 17 can be simplified.
FIG. 6 shows another embodiment of the locking device 30. The shape of the braking member 33 of the locking device 30 is matched with the tooth portion 45 of the rear drive sprocket 22, and the braking member 33 is engaged with the tooth portion 45 of the driving sprocket 22. The configuration.
Therefore, when the drive to the drive sprocket 22 is cut off by operating the emergency stop switch 27, the braking member 33 engages with the teeth 45 of the drive sprocket 22 to stop the rotation of the drive sprocket 22 due to inertia, thereby supplying and conveying The chain 17 can be moved to improve safety.
FIG. 7 shows another embodiment of the locking device 30. A rail 47 for guiding the return of the supply transport chain 17 is provided below the supply transport chain 17 returning from the drive sprocket 22 to the passive sprocket 21. The locking device 30 is provided so as to oppose the surface.

Therefore, the braking member 33 of the locking device 30 is engaged with the rail 47 so as to sandwich the supply conveyance chain 17, thereby improving the certainty of stopping the movement of the supply conveyance chain 17 and improving the safety.
FIGS. 8 and 9 show another embodiment of the locking device 30, in which the protrusion 31 of the braking member 33 of the locking device 30 is a shaft rod body 31 </ b> A, and the pins 34 connect between the links of the supply conveyance chain 17. It is set as the structure which provided two or more according to the space | interval.
Therefore, the protrusion 31 (shaft bar body 31A) of the braking member 33 is engaged between the pins 34 connecting the links of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia is stopped. Can be improved.
The driving means 35 of the lock device 30 is provided on the machine side of the threshing device 3.

Therefore, when the supply transport chain 17 is rotated outwardly, the lock device 30 remains on the machine body side, and the configuration of the outer open rotation of the supply transport chain 17 can be simplified.
The locking device 30 in which the braking member 33 is configured by the protrusion 31 of the shaft rod body 31A is provided above the moving path of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21, and is above (inside) the supply conveyance chain 17. The braking member 33 is engaged between the pins 34 (FIG. 8).
Therefore, the braking member 33 is engaged with the supply conveyance chain 17 between the pins 34 connecting the respective links from the upper side (inside), and the movement of the supply conveyance chain 17 due to inertia is stopped, thereby improving safety. .
In addition, the locking device 30 in which the braking member 33 is configured by the projection 31 of the shaft cap body is provided between the tension spring 40 and the drive sprocket 22 for tensioning the supply conveyance chain 17, and the tension spring 40 is connected to the supply conveyance chain 17. The brake member 33 is configured to engage with the supply conveyance chain 17 from the direction opposite to the action direction (FIG. 8).

That is, since the tension spring 40 is in contact with the inner side of the supply / conveyance chain 17 and pushes it outward, the braking member 33 moves from the outer side of the supply / conveyance chain 17 to the inside to engage. Yes.
Therefore, the braking member 33 can be engaged with the supply conveyance chain 17 by effectively using the action of the tension spring 40, and the locking reliability of the locking device 30 can be improved.
The locking device 30 in which the brake member 33 is configured by the protrusion 31 of the shaft rod body 31A is provided below the moving path of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21, and the lower side (outside) of the supply conveyance chain 17 ) To engage the braking member 33 between the pins 34 (FIG. 9).
Therefore, the braking member 33 is engaged with the supply conveyance chain 17 between the pins 34 connecting the links from the lower side (outside), and the movement of the supply conveyance chain 17 due to inertia is stopped, thereby improving safety. It is done.

FIG. 10 shows another embodiment of the locking device 30, in which the braking member 33 is formed by a plate-like member that abuts the side surface of the supply conveyance chain 17, and the side surface of the supply conveyance chain 17 returns from the drive sprocket 22 to the passive sprocket 21. The brake member 33 is brought into contact with the brake.
Therefore, the braking member 33 abuts on the side surface of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia is stopped, thereby improving safety.
In this case, the driving means 35 of the locking device 30 is provided outside the moving supply / transport chain 17, and the braking member 33 is brought into contact with the outer surface of the supply / transport chain 17.
FIG. 11 shows another embodiment of the locking device 30, in which the braking member 33 is formed by a plate-like member that abuts the side surface of the supply conveyance chain 17, and the supply conveyance chain 17 that moves the driving means 35 of the lock device 30 is shown. Provided inside, the braking member 33 is brought into contact with the inner side surface of the supply conveyance chain 17.

Therefore, the braking member 33 abuts on the side surface of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia is stopped, thereby improving safety.
The driving means 35 for operating the braking member 33 that contacts the side surface of the supply and conveyance chain 17 is provided on the machine side of the threshing device 3.
Therefore, when the supply transport chain 17 is rotated outwardly, the lock device 30 remains on the machine body side, and the configuration of the outer open rotation of the supply transport chain 17 can be simplified.
Further, a locking device 30 configured by forming the braking member 33 with a plate-like member that abuts the side surface of the supply conveyance chain 17 (FIG. 11), although not shown, a tension spring 40 that tensions the supply conveyance chain 17. And the drive sprocket 22, the braking member 33 comes into contact with the side surface of the tensioned supply and transfer chain 17 between the tension spring 40 and the drive sprocket 22, and the movement of the supply and transfer chain 17 due to inertia is allowed to occur. It can be stopped and safety can be improved.

FIG. 12 shows another embodiment of the locking device 30, and has a configuration in which a pair of left and right braking members 33, which are in contact with the side surfaces of the supply conveyance chain 17, are provided.
Therefore, the braking member 33 abuts on both the left and right side surfaces of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia is stopped, thereby improving safety.
FIG. 13 shows another embodiment of the locking device 30, in which a plate-like braking member 33 that contacts the left and right side surfaces of the drive sprocket 22 is provided.
Therefore, the braking member 33 contacts both the left and right side surfaces of the drive sprocket 22, and the movement of the supply / conveyance chain 17 due to inertia is stopped, thereby improving the safety.
FIG. 14 shows a rotation transmission path to the grain supply / conveyance device 15, 60 is an engine output pulley, 61 is a gear case, 62 is an input shaft 62 of the gear case 61, and a torque limiter 63 is provided on the input shaft 62. ing.

Therefore, when the movement of the supply transport chain 17 by the lock device 30 is stopped, the torque limiter 63 is operated, and the movement of the supply transport chain 17 is stopped by the combined use of the lock device 30 and the torque limiter 63. The movement of the chain 17 is stopped, and safety is improved.
In the embodiment of FIG. 15, a torque limiter 63 is provided on the drive shaft 65 of the drive sprocket 22.

(Operation of Example)
Next, the operation will be described.
When the aircraft is moved forward by the traveling device 2, the weeds are divided by the respective weed bodies 5, and the cereals weeded by the weeding bodies 5 are raised by the pulling device 6, cut by the cutting blade 9, The cereal straw that has been transported and transported by the stock source side transport device and the tip side transport device is taken over by the cereal supply and transport device 15, and is supplied to the threshing device 3 by the culm supply and transport device 15 and threshed.
In this case, generally, first, the four corners of the field are hand-cut to form a vacant area where the combine can enter, and the cereals in the field are run from the vacant field to harvest and thresh.
When the harvesting and threshing of the field is completed, the machine body is stopped, the cereal supply / conveyance device 15 and the threshing device 3 are driven, and the cereal supply / delivery device 15 is manually supplied with the manual chopped cereal and threshed.

At this time, an accident in which a hand is caught between the basket 16 and the supply conveyance chain 17 may occur. However, when the emergency stop switch 27 is operated, the grain supply and conveyance device 15 drives the drive sprocket 22. Is stopped, and the lock device 30 stops the movement of the supply and transfer chain 17 of the cereal supply and transfer device 15, so that the movement of the supply and transfer chain 17 due to inertia can be stopped by the lock device 30 and the safety can be improved.
Since the locking device 30 is configured to engage the braking member 33 having the protrusions 31 and the engaging grooves 32 alternately with the pins 34 connecting the links of the supply and transport chain 17, the protrusions 31 of the braking member 33. The engagement groove 32 engages with a pin 34 connecting the links of the supply / conveyance chain 17 to stop the movement of the supply / conveyance chain 17 due to inertia, thereby improving safety.
Since the braking member 33 connects the driving means 35 to the emergency stop switch 27 and protrudes from the position retracted from the moving path of the supply conveyance chain 17 by the operation of the emergency stop switch 27, it engages with the pin 34. During the transport, the locking device 30 does not affect the movement of the supply transport chain 17 at all. When the emergency stop switch 27 is operated, the lock device 30 engages with the pins 34 connecting the links of the supply transport chain 17 to supply and transport. The movement of the chain 17 is stopped.

In this case, in the locking device 30 of FIG. 3, the driving means 35 is provided below the moving path of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21. And the movement of the supply conveyance chain 17 is quickly stopped.
Further, in the locking device 30 of FIG. 5, the driving means 35 is provided above the movement path of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21. ) To the pin 34 to quickly stop the movement of the supply conveyance chain 17.
Further, a tension spring 40 for tensioning the supply / transport chain 17 is provided at a predetermined intermediate portion of the chain guide rail 20 before and after the brake member 33 is connected to the supply / transport chain 17 in a direction opposite to the direction in which the tension spring 40 acts on the supply / transport chain 17. Therefore, the braking member 33 is engaged with the supply conveyance chain 17 stretched by the tension spring 40, and the locking reliability of the locking device 30 is improved (FIG. 3).

Although not shown, if the braking member 33 is provided between the tension spring 40 and the vicinity of the mounting shaft 24 that rotates the supply and transport chain 17 outwardly, the tension spring 40 and the lock device 30 interfere with each other. Without this, the supply conveyance chain 17 is suitable for facilitating the outward opening rotation work.
Since the driving means 35 of the locking device 30 is provided on the machine body side of the threshing device 3, the driving means 35 and the braking member 33 of the locking device 30 remain on the machine body side when the supply conveyance chain 17 is rotated outwardly. Thus, the outward open rotation configuration of the supply conveyance chain 17 can be simplified.
In another embodiment of the locking device 30 in FIG. 6, the shape of the braking member 33 of the locking device 30 is matched with the tooth portion 45 of the rear drive sprocket 22, and the braking member 33 is engaged with the tooth portion 45 of the driving sprocket 22. Therefore, the braking member 33 meshes with the tooth portion 45 of the drive sprocket 22 to stop the rotation of the drive sprocket 22 due to inertia, thereby moving the supply conveyance chain 17 and improving the safety.

A rail 47 for guiding the return of the supply and transfer chain 17 is provided below the supply and transfer chain 17 returning from the drive sprocket 22 to the passive sprocket 21 (FIG. 7), and a lock device 30 is provided to face the rail 47. Therefore, the braking member 33 of the locking device 30 is engaged with the pin 34 connecting the links of the supply conveyance chain 17 so that the supply conveyance chain 17 is sandwiched by the rail 47, and the certainty of the movement stop of the supply conveyance chain 17 is ensured. It is possible to improve safety.
8 and 9, the protrusion 31 of the braking member 33 of the lock device 30 is formed by the shaft rod body 31 </ b> A, and this shaft rod body 31 </ b> A is provided between the links of the supply conveyance chain 17. Since a plurality of pins 34 are provided in accordance with the interval between the pins 34 to be connected, the shaft rod body 31A of the braking member 33 engages between the pins 34 connecting the links of the supply and transfer chain 17, and the supply and transfer chain 17 due to inertia. Can be stopped quickly and safety can be improved.

Since the driving means 35 of the lock device 30 is provided on the machine body side of the threshing device 3, the lock device 30 remains on the machine body side when the supply and transfer chain 17 is rotated outwardly. The outward open rotation configuration can be simplified.
Since the locking device 30 having the braking member 33 having the protrusion 31 formed by the shaft rod body 31A is provided above the movement path of the supply conveyance chain 17 returning from the drive sprocket 22 to the passive sprocket 21, each of the supply conveyance chains 17 is provided. The braking member 33 is engaged from the upper side (inner side) between the pins 34 that connect the links, so that the movement of the supply conveyance chain 17 due to inertia can be quickly stopped to improve safety (FIG. 8).
In this case, the locking device 30 having the braking member 33 in which the protrusion 31 is formed by the shaft rod body 31 </ b> A is provided between the tension spring 40 that tensions the supply conveyance chain 17 and the drive sprocket 22 to the supply conveyance chain 17 of the tension spring 40. Since the braking member 33 is provided so as to engage with the supply conveyance chain 17 from the direction opposite to the direction of the operation, the tension spring 40 abuts from the inside of the supply conveyance chain 17 to push the supply conveyance chain 17 outward. The braking member 33 moves and engages from the outside to the inside of the supply conveyance chain 17, and the braking member 33 is engaged with the supply conveyance chain 17 by effectively using the action of the tension spring 40. The locking reliability of the locking device 30 can be improved.

The locking device 30 having the braking member 33 in which the protrusion 31 is formed by the shaft rod body 31A is provided below the moving path of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21, so that the braking member 33 is supplied and conveyed. The chain 17 is engaged between the pins 34 from the lower side (outside), and the movement of the supply / transport chain 17 due to inertia can be quickly stopped to improve safety (FIG. 9).
In another embodiment of the locking device 30 in FIG. 10, the braking member 33 is formed by a plate-like member that contacts the side surface of the supply conveyance chain 17, and is braked on the side surface of the supply conveyance chain 17 that returns from the drive sprocket 22 to the passive sprocket 21. Since the member 33 is configured to contact, the braking member 33 contacts the outer surface of the supply transport chain 17, and the movement of the supply transport chain 17 due to inertia can be quickly stopped to improve safety.
In another embodiment of the locking device 30 of FIG. 11, the braking member 33 is formed by a plate-like member that contacts the side surface of the supply conveyance chain 17, and inside the supply conveyance chain 17 that moves the driving means 35 of the lock device 30. Since the brake member 33 is provided, the braking member 33 comes into contact with the inner side surface of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia can be quickly stopped to improve safety.

Since the driving means 35 for operating the braking member 33 that contacts the side surface of the supply and transport chain 17 is provided on the machine side of the threshing device 3, the lock device 30 is used when the supply and transport chain 17 is rotated outwardly. Remains on the machine body side, and the outer side open rotation structure of the supply conveyance chain 17 can be simplified.
Since the locking device 30 formed by forming the braking member 33 with a plate-like member that contacts the side surface of the supply conveyance chain 17 is provided between the tension spring 40 that tensions the supply conveyance chain 17 and the drive sprocket 22. (FIG. 11), the braking member 33 comes into contact with the side surface of the supply conveyance chain 17, and the movement of the supply conveyance chain 17 due to inertia can be quickly stopped to improve safety.

In the other embodiment of the locking device 30 in FIG. 12, a pair of left and right braking members 33 that are in contact with the side surfaces of the supply and transfer chain 17 are provided. 17, the movement of the supply and transfer chain 17 due to inertia can be quickly stopped, and safety can be improved.
In the other embodiment of the locking device 30 in FIG. 13, the plate-like brake members 33 that contact the left and right side surfaces of the drive sprocket 22 are provided, so that the pair of brake members 33 are the left and right side surfaces of the drive sprocket 22. , The movement of the supply and transfer chain 17 due to inertia can be quickly stopped, and safety can be improved.
As shown in FIG. 14, since the torque limiter 63 is provided in the rotation transmission path to the grain supply / conveyance device 15, the torque limiter 63 is activated when the movement of the supply / conveyance chain 17 is stopped by the lock device 30. By using the lock device 30 and the torque limiter 63 in combination, the movement of the supply and transfer chain 17 can be quickly stopped, and the movement of the supply and transfer chain 17 due to inertia can be quickly stopped, thereby improving safety.

In the embodiment of FIG. 15, since the torque limiter 63 is provided on the drive shaft 65 of the drive sprocket 22, the torque limiter 63 can be easily installed.
In addition, each of the above-described embodiments is illustrated or described individually or mixedly for easy understanding, but these can be combined in various ways, and the expression, configuration, action, etc. It is not limited, and there are of course cases where a synergistic effect is obtained.

  DESCRIPTION OF SYMBOLS 1 ... Airframe frame, 2 ... Traveling device, 3 ... Threshing device, 4 ... Mowing device, 5 ... Glen tank, 6 ... Steering unit, 8 ... Weeding device, 9 ... Pulling device, 10 ... Cutting blade, 11 ... Grain basket Conveying device, 12 ... Grain conveying chain, 13 ... Lag conveying device, 14 ... Rear conveying chain, 14A ... Handling depth adjusting device, 14B ... Takeover conveying device, 14C ... Auxiliary feeding device, 15 ... Grain supplying / conveying Devices 15, 16,..., 17, supply and transport chain, 20, chain guide rail, 21, passive sprocket, 22, drive sprocket, 23, rail support frame, 24, mounting shaft, 25, body fixing part, 27, Emergency stop switch, 30 ... Lock device, 31 ... Projection, 31A ... Shaft cap body, 33 ... Braking member, 34 ... Pin, 35 ... Driving means, 40 ... Tension spring, 45 ... Teeth, 47 ... Rail, 62 ... Input Shaft, 65 ... drive .

Claims (1)

A threshing chamber (3) equipped with a handling cylinder (2) is provided, and a cocoon (16) and a supply for feeding the threshing chamber (3) while supplying the cereal to the side of the threshing chamber (3) A corn supply / conveyance device (15) having a conveyance chain (17) is provided, and the corn supply / conveyance device (15) is supplied by operating an emergency stop switch (27) for urgently stopping the engine provided at a predetermined position. The transmission of the driving force to the transfer chain (17) is interrupted, and the plurality of protrusions (31) provided on the braking member (33) are engaged with the pins (34) connecting the links of the supply transfer chain (17). In combination, the movement of the supply conveyance chain (17) due to inertia is stopped, and the braking member (33) is provided on the non-conveyance side of the supply conveyance chain (17), so that the non-conveying action of the supply conveyance chain (17) is achieved. Supply conveyance chain in contact with the front and rear middle part 17) A tension spring (40) for tensioning is provided, and the braking member (33) is disposed at a portion between the drive sprocket (22) and the tension spring (40) on the non-conveying action side of the supply conveyance chain (17). The supply and transfer chain (17) is engaged with the tension spring (40) in the direction opposite to the direction of action of the tension spring (40). The supply and transfer chain (17) includes the braking member (33) provided on the machine body side and the brake member (33). A combine characterized in that the drive means (35) for actuating the braking member (33) is left open on the machine body side and can be opened sideways around the front mounting shaft (24) .

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