JPH0369484B2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention provides a straw bundling device that can be attached to a combine harvester, a self-propelled self-stripping device, etc., to bind waste straw after threshing and make it easier to handle. It is related to the device.

(b) Prior Art Conventionally, a technology has been known that allows the input of a binding machine to be adapted to suit the type of combine harvester. For example, Utsukai Showa 55-48800
This is similar to the technology described in the publication.

(c) Problems to be solved by the invention Since farming methods vary from region to region, and straw tying is not required in all regions, the straw tying device can be installed as an attachment at the customer's request. ing.

Combine harvesters and self-propelled self-elimination devices come in a variety of formats and specifications, but it would be ideal if a straw binding device with the same specifications could be attached to all types, which would also lead to lower costs.

As part of this, the present invention provides power output directly as an input shaft of the bundling transmission case without installing a counter pulley device, even when the rotation of the power take-off pulley on the side of the machine to which the straw removal bundling device is attached is reversed. A shaft is provided that allows input in two rotational directions, one for forward rotation and one for reverse rotation.When one of the shafts is used as an input shaft, the other can be used as a power take-off shaft for a vertical binding device or a cutter device. It is designed so that it can be used as a.

(d) Means for solving the problems The problems to be solved by the present invention are as described above.
Next, means for solving the problem will be explained.

A first cylindrical shaft 29 that constitutes a power transmission path with a forward rotation transmission path with respect to the packer shaft of the straw binding device.
and a second cylindrical shaft 35 that constitutes a power transmission path with a reverse power transmission path, and each cylindrical shaft 29, 35
The shaft can be alternately used as a power input shaft for the straw removal binding device and as a power output shaft for other devices attached to the straw removal binding device.

(E) Embodiments The objects of the present invention are as described above.The detailed structure of the present invention will be explained based on the structure of the embodiments shown in the attached drawings.

FIG. 1 is an overall side view of a combine harvester equipped with a straw tying device and a standing device.

As the crawler-type traveling device 9 moves, the weed cutting board 1 separates the base of the grain culm in the field from side to side and guides it to the pulling device 2.

While the lodging grain culm is raised by the raising device 2, the base of the stock is cut by the cutting blade device 3. The stock head portion is transported to the bottom of the vertical transport device 6 by the stock head transport device 4,
After being transferred to the vertical conveyance device 6, the stock base is rapidly lifted and transferred to the feed chain 7 of the threshing device 8. On the other hand, the tip portion is transferred from the raising device 2 to the upper conveying device 5 and guided to the threshing device 8. While passing through the threshing device 8, the grains are threshed and become waste straw, which is sent to the bundling device A in the bundling device cover 12 through the straw discharging chain 10.

After being bundled by the binding device, it is released by the release arm 27, and is held between the conveyance chain 69 of the vertical device and the clamping device 14 at a binding position near the ear neck.
The plants are transported obliquely upward, and fall at the end of the transport chain 69 with the plant base spread downward, and are placed upright on the field. 11 is a power transmission shaft cover, and 16 is a support rod for the vertical device. B is a tied bundle of waste straw, which is standing in the field with its base expanded using a standing device.

Power is transmitted to the binding device A from a pulley 90 on the right side in the direction of movement of the combine to the input pulley 9 of the binding device A via a V-belt 92.

The present invention provides an output pulley 9 of this combine.
The straw tying device can be easily attached to a combine harvester that rotates in the reverse direction rather than in the forward direction.

In the configuration of the present invention, as shown in FIGS. 3 and 4, a first shaft in the binding transmission case 19, which constitutes a power transmission path with a normal rotation transmission path, is used as an input-capable shaft.
A second cylinder shaft 35 is provided, which constitutes a power transmission path with a reverse power transmission path, and spline shafts 72 and 24 are fitted to this cylinder shaft to serve as an input shaft. It is something.

The spline shaft 72 or 24 fitted thereon becomes an input shaft, and the spline shaft 72 or 24 fitted thereon becomes an output shaft.Another spline shaft 75, 73 is engaged to serve as the output shaft. It is used to drive the placing device and cutter device.

FIG. 2 is a rear view of the straw binding device, and FIG. 3 is a rear sectional view of the binding device A. The spline shaft 24 is fitted into the first cylindrical shaft 29 to serve as an output shaft, and conversely, the second cylindrical shaft 35 is engaged with the spline shaft 75 and used as an output shaft, FIG. 4 shows the second cylinder shaft 35 as well.
A spline shaft 72 is fitted into the first cylindrical shaft 29 to serve as an input shaft, and conversely, a spline shaft 73 is fitted into the first cylindrical shaft 29 to serve as an output shaft. FIG. 5 is a side view of the binding device A.

In FIG. 2, power is transmitted from the threshing device to the shaft 23 via the V-pulley 91 of the straw binding device. Power is transmitted from the shaft 23 to the spline shaft 24 via the coupling ring 23a, and the spline shaft 24
Power is transmitted to the first cylinder shaft 29. 25 is a string case, 26 is a slide support pipe, and 16 is a support rod from the vertical device side.

In addition to the slide support pipe 26, there is another one at the front.
A book slide support pipe 98 is provided,
The binding device A is supported by these two slide support pipes 26 and 98. A slide body 93 and the like are arranged on the slide support pipes 26 and 98, and the handle 9 slides and fixes the position after sliding.
Further sliding is stopped by tightening the slide body etc. at three points 5, 96 and 97 using a cam device.

As shown in FIG. 2, the fixing surface 9 of the support rod 16 protrudes from the vertical device side on the rear surface of the slide body 93.
4 is provided. The fixing surface 94 naturally slides from side to side together with the binding device A.

Further, 99 is a V-belt cover, which covers the output pulley 90, input pulley 91 and V-belt 92.

The structure and operation of the binding device will be explained with reference to FIGS. 3 and 4.

First, there are two cylindrical shafts that can be input, the first cylindrical shaft 29 which constitutes a power transmission path with a forward rotation transmission path, and the second cylindrical shaft 35 which constitutes a power transmission path with a reverse rotation power transmission path. It is provided. The outer periphery of the cylindrical shaft is supported by a bearing, and an oil seal is provided on the outside to prevent the lubricating oil in the bottom cover 19 of the binding mission case from leaking. If the cylinder shaft 29,
35, lubricating oil will not leak from the inside even if the spline shaft is not inserted.

In FIGS. 2 and 3, the lower first cylindrical shaft 29 is used as an input shaft, and power is transmitted from the shaft 23 of the input pulley 91 to the spline shaft 24 sliding on the coupling 23a. The spline shaft 24 is tied to the cylindrical shaft 2 of the transmission case 20.
Even if the binding device A slides within the binding device 9, power is always transmitted by the input shaft composed of the spline shaft 24 and the first cylindrical shaft 29.

Engagement balls 100 are provided on both sides of the coupling ring 23a.
A fitting hole is provided, and the engagement ball 100 is inserted into the fitting hole and is fitted into the engagement hole of the spline shaft 24 to transmit rotation.

The fitted state of the engagement ball 100 is stopped by a snap spring 10 on the outer periphery.

Power is transmitted from the carved gear 30 of the first cylindrical shaft 29 to the large diameter gear 31 of the packer shaft 32. Due to the rotation of the packer shaft 32, the packer crank 4
At step 7, the raking packer 28 performs a raking motion on the straw removal path with an elongated elliptical activation, and pushes the waste straw toward the binding string stretched in the straw removal path and the door 44. When the waste straw is pushed in and reaches a certain amount, the door comes into contact with the binding clutch 39, transmits the rotation of the loose fit gear 40 on the clutch shaft 33 to the clutch shaft, performs intermittent rotation, and returns to the original position. Return to and stop rotation. The loosely fitted gear 40 of the clutch shaft 33 is constantly meshed with the fixed gear 38 on the packer shaft 32, and further,
The cylindrical shaft 35, which is the main part of the present invention and is an input-enabled shaft, is constantly rotated.

Between the first cylindrical shaft 29 and the second cylindrical shaft 35, which are input-enabled shafts, two constantly meshing gears 31 and 40 are meshed, and both are constantly rotating, and the direction of rotation is It's exactly the opposite.

Further, as shown in FIG.
is located slightly above the rotation range of the chain 42, so that both input shafts can be used selectively even if the input shafts must be placed above or below due to the relationship between the combine harvester and matching.

Due to the intermittent rotation of the clutch shaft 23, the needle 45
is reciprocated by the arm 46, reaches the knot building 53 and the string holder 54, and the knot building 53, which holds the starting and ending ends of the string wrapped around the waste straw, knots, and then reaches the string cutting edge of the string holder 54. The end is cut off, and the discharge arm 27 discharges the bundled straw. The starting end of the cut string is held by the string holder 54, and as the needle 45 returns, the next binding string is tightened. Intermittent movements of the binding building 53, string holder 54, and release arm 27 are transmitted by rotation of the clutch shaft.

That is, from the sprocket 43 of the clutch shaft 23 to the chain 42, from the sprocket 48 of the counter shaft 36, also from the sprocket 49 to the chain 50,
Intermittent rotational power is transmitted to the binding shaft 37 through the sprocket 51. A bevel gear 52 at the end of the binding shaft drives a binding building 53, a string holder 54, and a release arm 27 in a timely manner.
55 is a nodule cover.

In the case of FIG. 3, the spline shaft 24 is engaged and fitted into the first cylindrical shaft 29 and becomes an input shaft, and conversely, the spline shaft 75 is fitted into the cylindrical shaft 35 and becomes an output shaft, which is used to drive a vertical device. It drives the power take-off gearbox 18.

In the case of FIG. 4, the rotation input from the V pulley 70 to the second cylindrical shaft 35 is transferred to the shaft 71 and the spline shaft 72.
conversely, a spline shaft 73 is engaged and fitted into the first cylindrical shaft 29 to become an output shaft, and the power extraction gear box 7
It is driving 5. In order to make the rotating direction the same as that of the vertical device, the meshing device of the bevel gear is changed upward and downward in the power take-off gear box 75 so that the rotating direction is the same.

(F) Effects of the Invention Since the present invention is configured as described above, it has the following effects.

First, with respect to the packer shaft 32 of the straw tying device, a first
A second cylinder shaft 35 is provided, which constitutes a power transmission path with a reverse power transmission path.
9 and 35 can be used as input shafts, matching can be performed without being affected by the input rotation direction due to circumstances on the combine side, and regardless of the rotation direction of the external input, the rotation direction of the pack car 28 can be adjusted. Since it is configured so that the condition is normal, the binding effect is not affected in any way.

Second, the first cylinder shaft 29 and the second cylinder shaft 35 are
The shaft that is not used as an input shaft can be used as the power input shaft for the straw tying device and as the power output shaft for other devices attached to the straw tying device. Since it can be used as a power take-off shaft for other attached working machines, such as a standing machine or a cutter machine, there is no need to construct a separate power transmission system for other machines.

[Brief explanation of drawings]

Figure 1 is an overall side view of a combine harvester equipped with a straw tying device and a standing device. Figure 2 is a rear view of the straw binding device. FIG. 3 is a rear sectional view of the binding device A, in which the spline shaft 24 is attached to the first cylindrical shaft 29.
Fig. 3 is a diagram showing a case in which a spline shaft 75 is fitted into the second cylindrical shaft 35 and used as an output shaft, and conversely, a spline shaft 75 is engaged with the second cylinder shaft 35 and used as an output shaft. FIG. 4 is a drawing in which a spline shaft 72 is similarly engaged with the second cylindrical shaft 35 to serve as an input shaft, and conversely, a spline shaft 73 is engaged and fitted into the cylindrical shaft 29 to serve as an output shaft. FIG. 5 is a side view of the binding device A. 28... Scraping packer, 29... First barrel shaft, 32... Packer shaft, 35... Second barrel shaft,
24, 75...Spline shaft.

Claims (1)

[Claims] 1. With respect to the packer shaft 32 of the waste straw binding device, the first cylindrical shaft 29 which constitutes a power transmission path with a forward rotation transmission path, and the second cylindrical shaft 35 which constitutes a power transmission path with a reverse rotation power transmission path. provided, each cylinder shaft 29,3
Reference numeral 5 refers to an input structure for a straw tying device, characterized in that the power can be alternately transferred between a power input shaft to the straw tying device and a power output shaft to another device attached to the straw tying device.