JP2523259Y2 - Raising device for culm harvester - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for raising a grain stalk.

[0002]

2. Description of the Related Art There is known a grain stalk harvesting device generally mounted on a combine or the like, in which a raising device is provided at a front portion of an airframe to raise a grain stalk to perform a harvesting operation. .

[0003]

In the raising device of this kind of grain stalk cutting device, the cover body is attached to the main body of the raising case using bolts and nuts. In order to remove the straw, mud, etc. that has invaded the inside of the case, it is necessary to prepare a tool and remove the cover body each time, cleaning the inside of the case is troublesome, and if it is a little clogged with straw, the nails are damaged etc. There was a problem. Therefore, it has been proposed that the cover body can be attached to and detached from the case body with one touch without a tool.However, since the cover body is attached to the case body with only a holding tool such as a spring, The cover body is easily detached due to the vibration of the machine body or the jam of straw, etc., the mouth of the cover body is opened and the nail is disengaged, or the strength of the entire raised case composed of the case body and the cover body is reduced. And there is a problem that noise is generated. The present invention has been made in order to solve the above-mentioned problems, and is intended to enable the cover body to be attached and detached without a tool.
A grain stalk harvesting device that can efficiently perform inspection and maintenance of the raising device as a whole without causing the cover body to come off or raising and reducing the strength of the entire case and causing rattling and noise. Provide a raising device.

[0004]

In order to solve the above-mentioned problems, a technical measure taken by the present invention is a grain stalk harvesting device in which a raising chain is provided and a chain is pivotally attached to the raising case. In the raising device, the raising case includes a case body and a cover body, and the upper side of both cases is provided with the tip of a plate provided at the upper end of one case at the upper end of the other case. Inserted between concave support plates that open in the longitudinal direction of the case, they are locked together, and the lower side of both cases is fixed in a sandwiched state by a holding tool interposed between the cases, and the cover body is attached to the case body. It is characterized in that it is made detachable with respect to.

[0005]

According to the present invention, the mowing operation can be performed while raising the grain stalk by the raising device provided at the front portion of the body.
In addition, if the straw, mud, etc., together with the claws intrude and accumulate in the case during the mowing operation and accumulate and accumulate, the mowing operation is temporarily stopped and the case is raised to clean the inside of the case. At that time, the cover body of the raising case is detachable from the case body,
After releasing the lower holding of the cover body, release the upper locking by removing and inserting the cover body to the case body,
The cover body can be easily removed from the case body without tools. Then, with the cover removed, the worker removes the straw, mud, and the like wrapped around the case body or the raising claws, and cleans the raising case. When the cleaning of the case is completed, the cover is attached to the case body in the reverse order. And
When the installation of the cover body is completed, the tip of the plate provided on the upper end of one case is
It is inserted between concave support plates that open toward the longitudinal direction of the case provided at the upper end of the other case and locked together, and the lower side of the raising case is held by a holding tool interposed between both cases. They are fixed in a mutually sandwiched state. Therefore, the cover body can be locked and held over a relatively wide width with respect to the case main body, especially on the upper side of the case, and the cover body is locked by the case main body and independently of the case main body. Since the cover cannot be pulled out directly to the front side, the opening of the cover does not occur. Therefore, the case body and the cover are integrally raised to raise the strength of the entire case sufficiently.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a grain stalk harvesting device mounted on the front part of the fuselage such as a combine, etc., 2 is a grain stalk raising device, and a raising case 3 provided on the left and right of the grain stalk raising device 2 has an upper end side. The chain 5 is suspended between the driving sprocket 4 and the floating sprocket at the lower end (not shown).
Is raised at predetermined intervals, and a pawl 6 is rotatably pivoted. Reference numeral 7 denotes a drive gear case disposed on the rear side of the raising case 3, and a rotation shaft 9 of the drive sprocket 4 is linked to a drive shaft 8 in the drive gear case 7 via a bevel gear 10. And drive sprocket 4
With the rotation of, the raising claws 6 rising from the left and right raising cases 3 in opposition to each other raise the grain culm on the front of the machine body to adjust the cutting posture. Reference numeral 11 denotes a shock absorber provided above the driving sprocket 4. The shock absorber 11 guides the raised pawl 6 when the raised raising pawl 6 is turned down along the outer periphery of the driving sprocket 4. And fall down in the case 3. Reference numeral 12 denotes a position restricting plate for restricting the buffer 11 from being raised and pressed by the claws 6 to rotate upward. A side cover 13 is detachably attached to the side of the grain stem raising device 2.

Reference numeral 14 denotes an apparatus for forcing the grain stalk, which is disposed on the front side of the grain stalk raising apparatus 2, and is suspended between a driving sprocket 15 on the upper end side and a floating sprocket on the lower end side. The combing pawls 17 are pivotally attached to the chain 16 at predetermined intervals. The combing pawls 17 are oriented in a direction perpendicular to the raising pawls 6 and rise up at the front of the body. The raising claws forcibly comb the grain stalks that have fallen down from the uncut side to the machine side. The rotation shaft 18 of the driving sprocket 15 is
It is interlockingly connected via a bevel gear 20 to a transmission shaft 19 which is connected to the rotating shaft 8 of the grain stem raising device 2. The base end of the transmission case 21 is detachably connected to and supported by a support member 22 attached to the position regulating plate 12 from the front. 22a is a lower support member, and 23 is a cover which can be opened and closed freely.

FIGS. 4 to 6 show how the side cover 13 is attached. That is, the support shafts 24 provided at the front and rear ends of the side cover 13 are rotatably held by the springs 25 provided at the body side. The upper end side is the support member 26 on the fuselage side.
The pin 27 provided on the back side of the side cover 13 is supported by a spring 27 attached to the side cover 13. 29
Is a rotatable hook for preventing disengagement provided at a position near the lower side of the pin 28. The hook 29 for preventing disengagement is provided by a locking rod 31 provided on the support member 26 by the bias of a spring 30.
It can be locked to. The width of the hook 29 for preventing the disengagement is set to a wide width l that is at least 1/2 of the width L of the upper end portion of the side cover 13, so that the operation of the hook 29 for the disengagement is facilitated. In addition, it is a reinforcing member of the side cover 13.

As shown in FIGS. 7 and 8, the raising case 3 is provided with a plate 33 provided at the upper end of the cover body 32.
Of the cover body 32 can be locked from above by a concave support plate 35 provided on the case body 34. The lower end of the cover body 32 is provided on the cover body 32 by a spring 36 provided on the case body 34. By sandwiching the pin 37, the cover body 32 can be attached to and detached from the case body 34 with one touch. Reference numeral 38 denotes a cushioning material attached to the tip of the plate 33.

Reference numeral 39 denotes a narrow guide provided on the left side of the machine body. The narrow guide 39 is housed in a working position protruding laterally and upward by a left-right swing operation of an operation lever 41 provided in a driver's seat 40. It is freely rotatable to the non-working position. That is, the operating rod 43 of the narrow guide 39 rotatably supported by the weeding body 42 is connected via an arm 44 to a rotating arm 46 that rotates about a fulcrum 45 as an axis. The tip of 46 is connected to a left-right operation rod 48 provided at the lower rear part of the transmission 47. By connecting the other end of the operating rod 48 to the operating lever 41 via the arm 49, when the operating rod 48 moves right and left in conjunction with the operation of the operating lever 41, the arm 44 moves to the arrow A shown in FIG. The narrow guide 39 can be turned up and down by turning in the direction.

In the above-described configuration, if the machine is now made to enter into the erected cereal culm, the cereal culm raising device 2 can raise the cereal culm on the front side to perform a cutting operation. At this time, even if the cereal stalks lie down on the machine side from the uncut land on the side, the compulsory carding device 14 provided on the front side of the cereal stalk raising device 2 forcibly combs up the cereals, The lodging grain stalk is not caught on the grain stalk raising device 2 or stepped on by the airframe. The forced carding device 14 is supported by the position regulating plate 12 provided in the raising case and can be firmly attached to the cereal stem raising device 2, and is connected and supported from the front, so that inspection and maintenance work can be performed. In this case, the side cover 13 attached to the side of the grain stem raising device 2 can be freely attached and detached without removing the forced combing device 14. Moreover, since the forcing device 14 itself can be attached and detached from the front regardless of the side cover 13, inspection and maintenance work can be performed efficiently. Further, since the hook 29 for preventing the side cover 13 from being disengaged is locked to the locking rod 31, there is no possibility that the side cover 13 is accidentally disengaged. When attaching or detaching the cover 13, the hook 29 for detachment can be easily engaged and disengaged, and the side cover 13 can be reinforced.

If the straw, mud, etc., together with the raising claws 6 are raised and enter the case 3 and accumulate, the mowing operation is temporarily stopped, and the cover 32 of the case 3 is raised from the case body 34. Remove and raise to clean case 3. In this case, the cover 32 and the case body 34
The lower side of the cover body 32 is fixed to the lower side of the cover body 32 by the spring 36 and the pin 37 (holding tool) interposed between the cases 32 and 34. To release the pinch. The upper side of the two cases 32 and 34 is between a concave support plate 35 in which the tip of a plate 33 provided at the upper end of the cover body 32 opens in the longitudinal direction of the case provided at the upper end of the main body case 34. Since they are inserted and locked together, the cover body 32 is lifted upward in the longitudinal direction of the case to release the locking between them. Thereby, the cover body 32 can be easily removed from the case body 34 without tools, and the operator can remove the cover body 32 and remove the straw wound around the case body 34 or the raising claw 6 or the like. , The mud and the like are removed, and the inside of the raising case 3 can be cleaned without difficulty.

When the cleaning of the inside of the case 3 is completed, the cover body 32 is attached to the case body 34 in the reverse order. When the attachment is completed, the upper side of both cases 32 and 34 is inserted between the concave support plate 35 provided at the upper end of one cover body 32 and the tip of plate 33 provided at the upper end of one cover body 32. And locked together. The lower sides of the two cases 32 and 34 are fixed to each other by holding members 36 and 37.
Therefore, the cover body 32 can be locked and held over a relatively wide width with respect to the case body 34 especially on the upper side of the case, so that the cover body 32 may come off unexpectedly due to machine vibration or the like during the mowing operation. The cover body 32 is locked by the case body 34 and cannot be pulled out to the front side of the case body by itself. Therefore, the case body 34 and the cover body 32 are integrally raised to raise the strength of the entire case 3. On the other hand, the narrow guide 39 provided on the left side of the body can be freely operated between the working position and the non-working position by the operation lever 41 from the driver's seat 40 during the harvesting operation, which is convenient.

[0014]

In summary, the present invention is directed to a raising device of a grain stalk harvesting device in which a chain 5 is provided in a raising case 3 for raising the pawl 6 so as to be rotatable. An upper side of both cases 34 and 32 is formed by a case body 34 and a cover body 32, and the upper end of the plate 33 provided at the upper end of one case 32 is oriented in the longitudinal direction of the case provided at the upper end of the other case 34. It is inserted between concave support plates 35 that open toward each other and locked together, and the lower sides of both cases 34 and 32 are fixed in a sandwiched state by holding tools 36 and 37 interposed between the cases 34 and 32. do it,
The cover body 32 is detachably attached to the case body 34. Therefore, according to the present invention, when the straw, mud, or the like accumulates in the raising case 3, after removing the cover body 32 from the case body 34, the accumulated straw or the like is easily removed from the case 3. be able to. In addition, it is not necessary to prepare a tool for removing the cover body 32, so that the raising device 2 can be cleaned quickly. In addition, when the cover body 32 of the raising case 3 is attached to the case body 34, the upper side thereof is locked by the case body 34, and the lower side thereof is fixed by the holding members 36 and 37 in a state of being held therebetween. Therefore, during the mowing operation, the cover body 32 does not come off unexpectedly due to vibrations or the like, or the strength of the entire case 3 is lowered to prevent rattling and generate noise, so that the mowing operation is comfortable and efficient. It can be carried out.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a main part of a grain stalk cutting device.

FIG. 2 is a longitudinal sectional view showing a part of the grain stalk cutting device.

FIG. 3 is a side view showing the entire grain stalk cutting device.

FIG. 4 is a side view showing a side cover.

FIG. 5 is an exploded perspective view of a side cover.

FIG. 6 is a longitudinal sectional view showing a part of a side cover.

FIG. 7 is an exploded perspective view of the raising case.

FIG. 8 is a longitudinal sectional view showing a part of the raising case.

FIG. 9 is a front view showing an attached state of the narrow guide.

FIG. 10 is a plan view showing an attached state of a narrow guide.

FIG. 11 is a side view showing an attached state of a narrow guide.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Grain stalk harvesting device 2 Raising device 3 Raising case 5 Chain 6 Raising claw 32 Cover body 33 Plate 34 Case main body 35 Support plate 36 Spring 37 Pin

Claims (1)

(57) [Scope of request for utility model registration] 1. A raising device for a grain stalk harvesting device, comprising a chain (5) for pivotally attaching a raising claw (6) in a raising case (3). Is the case body
(34) and a cover body (32), and the upper side of both cases (34) and (32) is a plate provided on the upper end of one case (32).
The tip of (33) is inserted into a concave support plate (35) that opens in the longitudinal direction of the case provided at the upper end of the other case (34) and is locked together. ) And (32) are located below the clamps (36) and (3) that are interposed between the cases (34) and (32).
7) A raising device for a grain stalk harvesting device, wherein the cover body (32) is detachably attached to the case body (34) by fixing the both in a sandwiched state by 7).