JP2887912B2 - Combine harvester attachment / detachment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvester attaching / detaching device for a combine, and more particularly, to a device for easily and easily attaching / detaching a mowing device in front of a threshing device mounted on a vehicle body by using a lifting cylinder for elevating the mowing device. It is.

[0002]

2. Description of the Related Art In a mode in which a mowing device is moved back and forth or attached to and detached from a vehicle body using a lifting cylinder for raising and lowering the mowing, the mechanism is complicated and the operation is complicated. Yes, attachments such as chassis are often required. According to the present invention, at the time of attachment / detachment, the support frame is protruded and retracted from the vehicle body side even on the floor surface, so that the support frame can be easily and easily made and does not hinder the combine operation.

[0003]

According to the present invention, there is provided a mowing device 4 which transports and feeds grain culms which are harvested at a lower front portion thereof to a mowing support member 3 on the front side of a threshing device 2 on a vehicle body 1 and conveys the culm to the threshing device 2. The rear end of the cutting frame 5 is vertically movable and detachably supported, and is moved up and down by a hydraulically extendable double-acting lifting cylinder 6 connecting between the vehicle body 1 and the cutting frame 5 side. A combine harvester attaching / detaching device is provided in which a lower portion of the mowing frame 5 is supported on the supporting frame 7 which can be extended and stored forward from one side so as to be rotatable up and down.

[0004]

During the mowing operation, the support frame 7 is moved toward the vehicle body 1 and stored, and the mowing device 4 is moved up and down with respect to the mowing support member 3 by expansion and contraction of the lifting cylinder 6. Cutting is performed while controlling the cutting height and the like. The grain stalks harvested by the reaping device 4 are transferred to the upper rear and supplied to the threshing device 2 for threshing.

When removing the reaper 4 from the vehicle body 1,
The mowing device 4 is raised by the lifting cylinder 6, and the support frame 7 housed in the vehicle body 1 is pulled out to support the lower portion of the mowing frame 5 of the mowing device 4. In this state, the upper part of the mowing frame 5 is detached from the mowing support member 3, and the elevating cylinder 6 is extended and contracted to rotate the mowing frame 5 around the support portion of the supporting frame 5, so that weeding at the front end of the mowing device 4 is performed. Ground the frame etc. When the support frame 7 is retracted from the grounded position of the front end of the mowing device 4, the support of the mowing frame 5 with respect to the vehicle body 1 is released, and if the lifting cylinder 6 is disconnected from the mowing frame 5, the mowing device is removed. 4 is completed.

When the mowing device 4 is mounted, the operation may be performed in the reverse of the above operation. As described above, when attaching and detaching the mowing device 4, the support frame 7 that supports the lower end of the mowing frame 5 is extended and stored , and the mowing frame 5 is extended and retracted by the elevating cylinder 6 so that the mowing frame 5 is rotated around the supporting portion by the supporting frame 7. The mowing device 4 can be attached and detached while being grounded and supported by the front end of the mowing device 4. The structure and operation are simple because the support frame 7 that supports the lower part of the mowing frame 5 is extended and stored . And out of the way.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the figures, FIGS.
The threshing device 2, the steering device 9, and the like are mounted on the upper side of the vehicle body 1 having the pair of right and left crawler traveling devices 8, and the reaper 4 is positioned in front of the vehicle body 1. The threshing device 2 is connected to a cutting support member 3 on the front side. This reaper 4 has a weeding frame 10 at the lower front end.
And a grain stalk raising device 11 for raising the grain stalks weeded by the weeding frame 10 while raising the grain stalks upward with a raising lug. There is provided a grain culm transfer device 13 for collecting and transferring culms to the threshing device 2 at the upper rear side, and these devices are connected to the cutting frame 5.
It is configured to be able to be supported and lifted up and down.

The cutting frame 5 is in the form of a pipe, and contains therein a cutting blade device 12, a grain stalk raising device 11, a transmission shaft for transmitting a grain stalk transferring device 13 and the like, and a cutting support member 3.
The shaft 14 is rotatable up and down on the upper end of the shaft 14 so as to be transmitted from the shaft 14. The cutting frame 5 is attached and detached such that the receiving shaft 15 at the upper end of the cutting frame 5, the receiving seat 15, and the attachment 16 that is attached to and detached from the receiving seat 15 sandwich the shaft 14 around the lateral direction. And the front end of the mowing device 4 is supported so as to rotate vertically.

At the lower part of the mowing frame 5, a support pin 17 projects in the lateral direction, and the support pin 17 is fitted on and disengaged from a support portion 18 at the front end of the support frame 7 which is pulled out from the vehicle body 1 to the front. Make it freely supported. A refracting link 19 is connected between the support pin 17 and the front end of the vehicle body 1.
Is moved up and down.

The lifting cylinder 6 is extended and contracted by hydraulic pressure, and has a double-acting configuration in which both reciprocating movements of the piston are performed by hydraulic pressure from a hydraulic pump. The lifting cylinder 6 is connected between the vehicle body 1 and a position above the support pin 17 of the mowing frame 5.
The mowing device 4 is raised by elongation, and is lowered by shortening.

The support frame 7 is a vertical frame 2 of the vehicle body 1.
0, and can be pulled out forward. The storage position is locked to the front end of the vertical frame 20 by a stopper 21 at the front end, and a pin hole formed between the vertical frame 20 and the support frame 7 is formed. A structure is adopted in which a fixing pin is inserted through 22 to prevent removal. The threshing device 2 is provided with a feed chain 23, a pinching rod 24, and the like along the front-rear direction on one side of the threshing room, and supplies the husks transported by the cereal culm transfer device 13 to the threshing device while nipping and transporting them. Threshing is performed. In the threshing room, these feed chains 23
And a threshing cylinder 25 that rotates around the cylinder axis and threshing in the direction of transfer.

On the vehicle body 1, a grain tank 27 for accommodating paddy to be threshed and discharged by the threshing device 2 is provided on the side of the threshing device 2 behind the control device 9, the cockpit 26, and the engine. Also provided on the rear side of the threshing device 2 is a culm processing device 28 such as a cutter for receiving and cutting the threshed culm.
Is provided. Glen tank 27 has a delivery auger 29 at the bottom.
And a feed gutter 30 for supporting the rear end of the vehicle body 1 rotatably in the horizontal direction around a vertical auger cylinder 31 erected on the vehicle body 1 and having a support roller 32 at the front end. Frame 33
This is a configuration to be supported on the upper surface. The Glen abutment 27 is supported and fixed to a support frame 34 supporting the vertical auger cylinder 31 with a support bracket 35, and the Glen tank 27 can be turned outward with respect to the support bracket 35 by a vertical support pin 36. I support them.

The rear-side culm processing device 28 is also configured to be able to rotate in the rearward horizontal direction about the support pin 37 of the support bracket 35. The vertical auger cylinder 31 is provided with a vertical auger 38 mounted inside.
The lower end port 39 of the bottom of the Glen tank 27 is joined to and separated from the tip outlet of the delivery gutter 30 at the bottom of the Glen tank 27. By setting the Glen tank 27 to the working position, it is joined and opened outward to separate. The opening allows the Glen tank 27 to open and close. Also, this vertical auger cylinder 3
A discharge auger tube 41 which can be rotated along a horizontal plane and a vertical plane to select a discharge direction, and an internal discharge auger is connected to the upper end portion of the auger 1, and a discharge port at the tip of the discharge auger tube 41 The grain can be discharged from 42.

When the Glen tank 27 is turned outward, the space between the threshing device 2 can be opened, and when the culm processing device 28 is turned rearward, the space after the threshing device 2 can be opened. The gap between the end and the end is greatly opened to facilitate maintenance such as inspection and cleaning. FIG. 6 to FIG.
7 shows a configuration of a support roller 32 for supporting a front end portion of the vehicle. The support roller 32 is pivotally supported by a lever 43 so as to be vertically turned with respect to a front wall portion of the Glen tank 27. By switching to the high and low positions,
The support roller 32 can be slightly protruded below the Glen tank 27 and supported on the rail 33. With the support of the support roller 32 by the rail 33, the bottom surface of the Glen tank 27 is in a relationship of slightly rising from the upper surface of the vehicle body 1.

9 and 10, the difference from the above example is that the support roller 32 is provided with a drive shaft 46 on the engine side and a pulley 47.
And the tension pulley 50 of the transmission belt 49 spanned between the pulley 48 of the delivery auger 29 and the support roller 32 is pressed against the upper transmission belt 49 to engage the transmission clutch of the delivery auger 29. At this time, the Glen tank 27 is located inside the vehicle body 1 and is in a state capable of storing grains.

FIGS. 11 and 12 are different from the above example in that the lever 43 of the support roller 32 is attached to the belt stopper 5.
1 is provided so that the tension pulley 50 of the belt 49 is operated by a clutch lever 52 separate from the lever 43, and the belt 49 is prevented from being wound around the pulley 47 when the tension clutch of the belt 49 is disengaged by the clutch lever 52. To form a belt stopper. 5
Reference numeral 3 denotes a spring for constantly tensioning the support roller 32 side of the lever 43 upward to maintain the belt stopper 51 at a relevant position where the belt stopper 51 can work. Move down. 54 is a pulley 47
Is a fixed belt stopper located on the upper side.

When the transmission belt 49 moves the Glen tank 27 outward, the tension pulley 50
Is separated from the belt 49, and the support roller 32 is
The belt stopper 5
1 is separated from the pulley 47, and the belt 49 between the pulleys 47 and 48 can be easily removed. In a state where the Glen tank 27, the culm processing device 28, and the like are housed and rotated toward the vehicle body 1, they are fixed to maintain the working position by a fastener (not shown) or the like.

[Brief description of the drawings]

 FIG. 1 shows an embodiment of the present invention.

FIG. 1 is a side view of a part of a combine.

FIG. 2 is an enlarged side view of a part of FIG. 1;

FIG. 3 is a side view of the combine that can be partially broken.

FIG. 4 is a plan view of the combine that can be partially broken.

FIG. 5 is a plan view of a part of the combine.

FIG. 6 is a plan view of a Glen tank unit.

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a front view of FIG. 6;

FIG. 9 is a front view of a Glen tank part showing another embodiment.

FIG. 10 is a plan view of FIG. 9;

FIG. 11 is a front view of a Glen tank part showing a partially different embodiment.

FIG. 12 is a partial perspective view of FIG. 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Threshing device 3 Cutting support member 4 Cutting device 5 Cutting frame 6 Lifting cylinder 7 Support frame

Claims (1)

(57) [Claims] 1. A rear end portion of a cutting frame 5 of a cutting device 4 for transporting and feeding a culm to be cut at a lower front portion to a cutting support member 3 on a front side of a threshing device 2 on a vehicle body 1. liftably and detachably supported thereby lifting the lifting cylinder 6 double-acting form of hydraulic telescopic connecting between them the body 1 side and the reaper frame 5 side, freely overhanging housing from the vehicle body 1 side forward A harvester attaching / detaching device for a combine, wherein the lower portion of the mowing frame 5 is supported on the supporting frame 7 so as to be rotatable up and down.