JPH10191771A - Waste straw transport device - Google Patents

Abstract

(57) Abstract: An input sprocket of an ear transfer device is engaged with an inner surface of a chain of a transfer return path in a stock transfer device to drive the head transfer device from the stock transfer device side, and to control the return path. On the chain outer surface side, and at a position corresponding to the input sprocket, in a waste straw transporting device provided with a chain press inserted between the left and right chain links of the transport chain, the culm is moved in the longitudinal direction of the transport chain. It prevents the exhaust stirrer being swirled toward becoming jammed between the chain presser and the chain link. SOLUTION: The width of the chain holder 7 is set between the left and right ends of the chain holder 7 and the left and right chain links 3a, 3a. Is set to an acceptable width.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting combine straws.

[0002]

2. Description of the Related Art Conventionally, a combine stirrer transport device has been
As shown in Japanese Utility Model Laid-Open Publication No. 2-59343, the apparatus is constituted by a stock-holding / conveying device and a tip-holding / conveying device. The tip-holding / conveying device is driven by the stock-holding / conveying device. ing. In driving the head-locking transfer device by the stock-holding / conveying device, the input sprocket of the head-locking / conveying device is engaged with the inner surface of the chain in the transfer return path of the stock-holding / conveying device, and the stock-holding / conveying device is held. It is configured to drive the tip locking and conveying device using the rotational driving force of the chain. A chain press is provided between the left and right chain links of the transport chain on the outer surface side of the transport return path and at a position corresponding to the input sprocket, and input is performed by the chain dancing accompanying the vibration of the machine body. The sprocket is configured to suppress slippage.

[0003]

As shown in FIG. 7, the chain retainer 7 'is provided over the entire width of the pair of left and right chain links 3a, 3a in the stock-holding / conveying device 3. When the waste straw that has been entrained by the transport chain 3A without being discharged from the transport end of the stock-holding transport device 3 to the rear of the machine, the culm is returned and transported toward the longitudinal direction of the chain 3A. There was a problem that a waste straw was caught between the chain retainer 7 'and the chain links 3a, 3a, causing troubles such as clogging.
An object of the present invention is to eliminate the above disadvantages by a simple structural improvement.

[0004]

According to a first aspect of the present invention, an input sprocket of a head conveying device is engaged with an inner surface of a chain in a conveying return path of a stock conveying device, and the head conveying device is moved to a stock conveying device. And a chain holder inserted between the left and right chain links of the transfer chain and provided at a position corresponding to the input sprocket on the outer surface of the return path and at a position corresponding to the input sprocket. The width of the chain retainer is set to be sufficiently small with respect to the lateral width between the left and right chain links in the transport chain, and between the left and right ends of the chain retainer and the left and right chain links, the culm is transferred to the transport chain. A gap is formed to allow the passage of the waste straw that is rotated in the longitudinal direction. [Operation] According to this configuration, a relatively large gap is formed between the left and right ends of the chain retainer and the pair of left and right chain links, so that the waste straw that rotates the culm in the longitudinal direction of the chain is removed. You will slip through. [Effect] According to the first aspect of the present invention, it is possible to suppress clogging of the chain by the co-rotating exhaust stirrer, thereby enabling excellent discharge stirrer conveyance.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a rear part of a fuselage in a combine, 1 is a threshing device, and C is a waste straw transporter that transports a waste straw transported by a feed chain 1A of the threshing device 1 to the rear of the fuselage. The device 2 is a waste straw shredding device that shreds the waste straw conveyed by the waste straw transport device C.

As shown in FIGS. 2 and 3, the waste straw transporting device C includes a stock-holding / conveying device 3 comprising a chain 3A with a projection and a clamping rail 3B, and locking pawls at predetermined intervals on the chain 4A. 4B, and a pinch of the discharge straw transport device C from the handle cylinder 1B of the threshing device 1 via the belt transmission device 5 and the output shaft 6A of the bevel case 6. The transfer device 3 is driven, and the input shaft 4C is moved from the end of the stock-holding transfer device 3.
The front end locking and conveying device 4 is driven via the.

[0007] The stock-holding / conveying device 3 comprises a holding rail 3
It is configured in the form of an upper chain in which a transport chain 3A is disposed above B, and the input sprocket 4D of the tip locking transport device 4 is engaged with the inner surface of the chain in the upper return path R of the transport chain 3A. A chain retainer 7 is provided on the outer side of the chain 3A of the return path R and at a position corresponding to the input sprocket 4D to prevent the chain 3A from floating due to the vibration of the body.

The chain retainer 7 is formed by an inverted L-shaped plate as viewed from the rear, and is fixedly connected via a bolt 10 to an upper support bracket 9 of a cylindrical shaft case 8 for rotatably supporting an input shaft 4C of the input sprocket 4D. Have been. The chain retainer 7 includes left and right chain links 3a, 3a
Is set to approximately one third of the tooth width of the input sprocket 4D having the slit 4d at the center, that is, the width between the left and right chain links 3a in the transport chain 3A. The width of the culm is set to approximately one third of the length of the chain between the left and right ends of the chain retainer 7 and the pair of left and right chain links 3a, 3a by the transport chain 3A. It is configured such that a waste stirrer entrained in the direction slips through gaps S1, S1 between the chain retainer 7 and the chain links 3a, 3a.

The support bracket 9 provided on the cylindrical shaft case 8 with respect to the chain retainer 7 is arranged at
It is provided at a distance from the end 8a of the cylindrical shaft case 8 on the side of the stock holding and conveying device. A space S2 is formed between the transport chain 3A and the support bracket 9 to allow the passage of clumps of lumps. A shim 11 is interposed between the chain retainer 7 and the support bracket 9, and the shim 11 is configured so that a vertical gap of the chain retainer 7 with respect to the chain 3A can be adjusted.

The chain retainer 7 has a lower surface 7A on the rear side of the fuselage which is bent downward so as to wrap around the outer peripheral surface of the input sprocket 4D in a side view, and a contact point P between the chain 3A and the chain retainer 7 is formed. So that the resultant force acts between the front and rear bolts 10, 10 of the chain holding mounting bolts 10, 10.
The curvature of A is set to improve the durability of the chain retainer 7.

As shown in FIG. 4, a diffuser plate 12 is mounted on the inner surface of a rear chute 2B of a cutter case 2A of the waste straw shredding device 2 so as to be swingable right and left around a fulcrum a. The diffusing plates 12 are configured to be swingable right and left via a screw shaft 13 whose upper portion extends across the left and right side plates of the cutter case 2A with an intermediate portion serving as a fulcrum a. The screw shaft 13 has a right-hand screw 13a and a left-hand screw 13b formed therein.
And the two left diffusion plates 12 are configured to be able to swing left and right around the fulcrum a in a direction in which the upper portion approaches and separates from each other. With respect to the screw shaft 13, the diffusion plate 12 has a screw sleeve 15 screwed to the screw shaft 13 and a bracket 12a of the diffusion plate 12, and a fixing pin 15a of the screw sleeve 15 and an elongated hole 12b formed in the bracket 12a. The diffusion is performed by moving the diffusion plate 12 right and left by the forward / reverse rotation of the motor 14, and spreading can be performed by fixing the upper part close to each other. The rear chute 2B is configured so that the angle can be fixed around the axis X on the horizontal axis.

[Alternative Embodiment] In the above embodiment, the stock-holding / conveying device 3 has been described as being configured as an upper chain type. However, the holding rail is provided at the upper part and the carrying chain is provided at the lower part. It is also possible to adopt a structure in which the input sprocket of the tip locking and conveying device is engaged with the inner surface of the chain in the return path, and a chain retainer is provided on the outer surface of the chain.

[0013] Further, the tip locking transporting device 4 in the discharge straw transporting device C is a tip locking transporting device formed of a rubber belt with a projection or a tip gripping transport including a chain with a projection and a gripping rail, like the stock clamping transporting device. You may comprise from an apparatus.

[0015] As shown in FIG.
With the middle part as a fulcrum a and the upper parts connected to each other by a connecting rod 16, and a knob-equipped nut 12c protruding from an arc-shaped long hole 2C formed in the rear chute 2B to form a diffusion plate 12, 12 May be configured to be simultaneously changeable in the same direction. Also, the left and right diffusion plates 12, 12 may be configured to be swingable left and right by a nut 12c with a knob projecting from an arc-shaped long hole 2C formed in the rear chute 2B with the upper part as a fulcrum a. Good. In such a case, diffusion and spreading can be performed according to the work, thereby improving work efficiency. The diffusion plate 12 at the center of the left and right is connected to the connecting rod 1.
The attitude of the diffuser plate 12 can be largely changed by the small movement 6.

As shown in FIG. 6, on the inner surface of the discharge port 17A of the dust discharge fan 17, there is provided a dust discharge guide 17B for blowing the exhaust air of the dust discharge fan 17 toward the diffusion plate 12 on the stock side. The tip of the diffusion plate 12 at the base of the stock is bent toward the dust guide 17B, and the exhaust air of the dust fan 17 is blown against the cutting straw at the side of the heavy stock. The cutting straw may be diffused toward the left and right central sides of the fuselage. (Note that components having the same functions as those of the above-described embodiment are denoted by the same reference numerals and symbols as those of the embodiment.)

[Brief description of the drawings]

FIG. 1 is a plan view of a waste straw transport device.

FIG. 2 is a side view of an end portion of the waste straw transport device.

FIG. 3 is a longitudinal rear view of the same.

FIG. 4 is a longitudinal rear view of (a) a waste straw shredding device, and (b)
Same, vertical side view

FIG. 5A is a longitudinal rear view of the second embodiment of the waste straw shredding device, and FIG.

FIG. 6A is a vertical sectional side view of a third embodiment of the waste straw shredding device, and FIG.

FIG. 7 is a conventional longitudinal rear view.

[Explanation of symbols]

 3 Stock transfer device 3A Transfer chain 3a Chain link 4 Ear transfer device 4D Input sprocket 7 Chain holding R Transfer return path

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazutaka Oka 64 Ishizu-Kitacho, Sakai-shi, Osaka Inside Kubota Sakai Works

Claims (1)

[Claims] 1. An input sprocket of a head conveying device is engaged with an inner surface of a chain of a conveying return path in a stock transfer device to drive the head conveying device from the stock conveying device side, and a chain outer surface of the return path. And a chain holder provided between the left and right chain links of the transfer chain at a position corresponding to the input sprocket. The width is set to be sufficiently small with respect to the width between the links, and between the left and right ends of the chain retainer and the left and right chain links, respectively.
A waste straw transporting device having a clearance that allows passage of a waste straw that is rotated with its culm toward the longitudinal direction of the transport chain.