JP3111136B2 - Self-removable combine unit discharge unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bundling and discharging straw bundling device for releasing a bound straw from a non-harvested culm, and shortening the length of the machine during non-harvest work. The holding and transporting device for releasing straw can be changed to a slanted transporting position at the rear of the machine, which is closer to the transport side than the cutting side, and a storage position closer to the binding device. The present invention relates to a self-removing type combine bundling discharge unit, and more particularly to an improvement of a support device, which is provided so as to be capable of swinging operation and is provided with a support device for supporting the free end side of the holding and conveying device.

[0002]

2. Description of the Related Art Conventionally, a support member is formed by a waist-broken link which bends and stretches at a pin connecting portion in accordance with the swinging of a holding / conveying device, and a structure is employed in which the bending of the waist-break link is fixed [see, for example, Japanese Utility Model Application Publication No. Alternatively, a supporting member is formed by a rod pivotally connected to a pinching and conveying device with a pin and a boss rotatably connected to the body with a pin.
The rod is configured to be fitted to the boss so as to be able to be inserted and detached and fixed (for example, see Japanese Utility Model Application Laid-Open No. 61-83839).

[0003]

However, in any of the prior arts, the presence of the pin connection portion tends to cause backlash of the holding / conveying device and insufficient strength or failure of the supporting member, and the supporting function of the holding / conveying device is difficult. There was room for improvement. SUMMARY OF THE INVENTION It is an object of the present invention to improve a support device capable of supporting a holding and conveying device with little backlash and with sufficient strength and hardly causing a failure.

[0004]

According to a first aspect of the present invention, there is provided a clamping and conveying device for discharging a bundled straw from a threshing and straw bundling device. In a state where the posture can be changed between the oblique conveyance posture and the storage posture close to the binding device, a swinging operation is provided around the vertical axis at the conveyance start end side, and a support member for supporting the free end side of the clamping conveyance device is provided. In forming a support in a self-removing combine,
A curved arm formed in a partial arc shape centering on the vertical axis, which is the center of swinging of the holding and conveying device, is fixed to each of the body and the holding and conveying device, and the curved arms are slidably fitted to each other to hold and convey. When a fixing means for fixing the device in the rearward slanted transport posture and the storage posture is provided between the two curved arms ,
Both of the curved arms of the curved arm are fixed to the fuselage side.
A curved arm is fixed to a curved arm
Set the entire sliding part of the
In the front-rear direction, there is a point that overlaps the location of the
Has been set up in the office .

According to a second aspect of the present invention, in addition to the first aspect of the present invention, in order to form a fixing means, a fastening bolt is screwed into a cylindrical portion formed on one of the curved arms.
The reinforcing member to be brought into contact with the tip of the bolt is fixed to the other curved arm, and the reinforcing member is provided with a stopper for preventing the curved arms from being pulled out and separated by being hooked on the bolt.

[0006]

According to the characteristic structure of the first aspect of the invention, the curved arms fixed to the body and the clamping / conveying device, respectively, are formed into a partial arc shape centered on the longitudinal axis which is the center of swinging of the clamping / conveying device. It is configured to be slidably fitted to allow swinging of the holding / conveying device, and to fix the holding / conveying device in an obliquely rearward conveying posture and a stowed posture by fixing both curved arms. As a result, the fixed support structure of the holding and conveying device can be made to have no pin connection portion which causes looseness, insufficient strength, and failure, thereby effectively suppressing noise by the holding and conveying device and improving the durability of the supporting portion. .

According to the characteristic structure of the second invention, since it has the characteristic structure of the first invention, the fixed support structure of the holding and conveying device can be made without a pin connecting portion which causes backlash, insufficient strength, and failure. In addition, the other curved arm is fitted inside the cylindrical part formed with one curved arm, and the tips of the fastening bolts screwed to the cylindrical part are pressed against the reinforcing material fixed to the internally fitted curved arm to deform the curved arms. The structure is such that it is firmly fixed in the absence of stiffness, and a stopper using a reinforcing material is used to prevent accidental detachment of the curved arms. Can be easily used and have excellent durability.

[0008]

As a result, it is possible to obtain a self-removable type combined unit discharge part of a self-removing type combiner which has almost no noise due to rattling of the holding / conveying device, has good durability of the support, and is more excellent in the holding function of the holding / conveying device. Was.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 3, a binding device 2 for threshing straw is provided at the rear of a threshing device 1 of a self-releasing type combine, and a nipping conveyance for discharging the binding straw from the binding device 2. The apparatus 3 is provided in an obliquely rearward conveying posture of the machine body, which is located closer to the uncut side as the conveying side.

A transport chain 3a which can be driven freely, and a spring 3 which is movable parallel to and away from the transport chain 3a.
b, the holder 3c is urged toward the transport chain 3a.
The holding and conveying device 3 is formed by the holding rail 3d attached to the base, and the binding and discharging device is suspended by the holding and conveying device 3 and conveyed to the already cut side while rotating by itself. It is configured to discharge to the field in a standing posture.

The holder 3c is integrally connected to the support portion of the transport chain 3a by the stay 3f, and the holding transport device 3 is mounted so as to be swingable about the longitudinal axis P at the transport start end side, as shown in FIG.
As shown in FIG. 5, the holding and conveying device 3 can be changed to the storage position close to the binding device 2.

In order to form the support 4 for supporting the free end side of the clamping and conveying device 3, curved arms 5, 6 formed in a partial arc shape centered on the longitudinal axis P are used for the body and the clamping and conveying device 3, respectively. , And the rectangular arms 5 and 6 are slidably fitted to each other so as to allow the holding and conveying device 3 to swing.

As shown in FIG. 4, a fixing means 7 for fixing the holding / conveying device 3 in the rearward slanted conveying posture and the storage posture is formed between the curved arms 5 and 6, and the outer fitting curved arm 5 is provided with a fixing means 7. Screw the bolt 7a for tightening and fixing, and
The reinforcing member 7b to be brought into contact with the tip of the a is fixed to the inner fitting curved arm 6 by welding, and the stopper 8 for preventing the curved arms 5, 6 from being pulled out and detached by being hooked with the bolt 7a is integrated with the reinforcing member 7b by bending. It is formed. That is, the curved arms 5 and 6 fixed to the machine body and the holding / conveying device 3, respectively, are formed in a partial arc shape centered on the longitudinal axis P so as to allow the holding / conveying device 3 to swing, and slide with respect to each other. The clamping and conveying device 3 is fixed by fixing the two curved arms 5 and 6 freely, and the fixing and supporting structure of the clamping and conveying device 3 is made less rattled, insufficient in strength, and less likely to cause a failure. , And the durability of the supporting portion is improved.

Further, a tightening and fixing bolt 7 for fitting the curved arms 5 and 6 inward and screwing to the externally fitted curved arm 5 is provided.
The distal end of a is pressed against the reinforcing member 7b fixed to the inner fitting curved arm 6 so that the bending arms 5 and 6 are firmly fixed without deformation, and the bending arm is provided by the stopper 8 using the reinforcing member 7b. The structure is designed to prevent accidental detachment between 5 and 6, and the fixing means has a simple structure, and the fixing and supporting structure of the holding and conveying device 3 is easy to use and excellent in durability.

[Alternative Embodiment] The holding / conveying device 3 may be a device in which the bundled straw is turned down and discharged to the field, and the specific structure of the holding / conveying device 3 can be appropriately changed. The cross-sectional shapes of the curved arms 5 and 6 can be changed as appropriate, and it is only necessary that a cylindrical portion be formed on one of the curved arms 5 or 6 so that the curved arms 5 and 6 are slidably fitted to each other. In the first invention, the specific configuration of the fixing means 7 between the two bending arms 5 and 6 can be appropriately changed. In the second invention, the shape, material, and fixing means of the reinforcing member 7b having the stopper 8 can be appropriately selected.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part in a working state.

FIG. 2 is a plan view of a main part in a stored state.

FIG. 3 is a side view of a main part in a working state.

FIG. 4 is a longitudinal sectional side view of a main part.

[Explanation of symbols]

 2 Bundling device 3 Nipping and conveying device 4 Supporting device 5, 6 Curved arm 7 Fixing means 7a Bolt 7b Reinforcing material 8 Stopper P Vertical axis

Continuation of the front page (56) References JP-A-61-83839 (JP, U) JP-A-54-76241 (JP, U) JP-A-54-76242 (JP, U) JP-A 54-76243 (JP) , U) Japanese Utility Model Showa 54-80939 (JP, U) Japanese Utility Model Application Hei 4-62024 (JP, U) Japanese Utility Model Showa 59-166626 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB) Name) A01F 12/00 310 A01F 17/02

Claims (2)

(57) [Claims] 1. A holding / conveying device (3) for discharging a bundled straw from a threshing / straightening straw binding device (2), comprising: With the posture changeable to the storage posture close to (2),
It is provided so as to be swingable around the longitudinal axis (P) on the transport start end side,
In a self-removing combine provided with a support (4) for supporting the free end side of the holding and conveying device (3), the swing center of the holding and conveying device (3) is used to form the support (4). Curved arms (5) and (6) formed in a partial arc shape centered on the longitudinal axis (P),
The curved arms (5) and (6) are slidably fitted to each other while being fixed to the body and the holding / conveying device (3), respectively. A fixing means (7) for fixing in the stowed posture is provided between the curved arms (5) and (6), and the fixing means (7) is fixed to the body side of the curved arms (5) and (6).
The bending arm (5) to be clamped
The entire sliding part of the fixed curved arm (6) can be stored
Tie length for threshing straw in the longitudinal direction
A unitary discharge unit of a self- removable combine which is provided at a location overlapping with the location of the device (2) . 2. The unit according to claim 1, wherein said fixing means is formed by tightening a tube formed on one of said curved arms. Fixing bolt (7a)
And a reinforcing member (7b) to be brought into contact with the tip of the bolt (7a) is fixed to the other curved arm (6),
A bundling straw of a self-removable combine provided with a stopper (8) provided on the reinforcing member (7b) for preventing the curved arms (5) and (6) from being pulled out and separated by being hooked on the bolt (7a). Discharge section.