JPH0679222U - Raising device for grain reaping device - Google Patents

Abstract

(57) [Abstract] [Purpose] The cover body 32 of the raising case 3 can be attached and detached without a tool, and the cover body 3 can be removed during cutting.
Make sure that 2 does not accidentally come off or open and make noise. [Structure] Plate 33 provided on the upper end of cover body 32
The tip end of the holding tool 3 is inserted between the concave support plates 35 provided at the upper end of the case body 34, and the holding tool 3 is provided on the lower side.
The cover body 32 is detachably attached to the case body 34 by 6, 37.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a raising device for a grain cutting device.

[0002]

[Prior art]

 BACKGROUND ART Generally, a grain stalk mowing device mounted on a combine or the like is known in which a raising device is provided at a front portion of a machine body so that a grain stalk is raised to perform a mowing operation.

[0003]

[Problems to be solved by the device]

 By the way, in the raising device of this type of grain cutting device, the cover body is attached to the main body of the raising case using bolts and nuts, so that the straw and mud that have invaded the case together with the raising claw. In order to remove such things, it is necessary to prepare a tool to remove the cover body one by one, and cleaning the inside of the case is troublesome, and there is a problem that the claws may cause the nails to be damaged due to a straw jam. Therefore, it was proposed that the cover body could be attached to and detached from the case body with one touch without using a tool, but this was because the cover body was attached to the case body only with a sandwiching tool such as a spring. , The cover may easily come off due to vibration of the machine, or a straw jam, etc., the mouth of the cover may open and the nails of the claw may come off, or the strength of the whole of the raising case that consists of the case body and the cover body There was a problem that it was lowered, rattling, and generating noise. The present invention was devised to solve the above-mentioned problems, and enables the cover body to be attached and detached without using a tool. (EN) Provided is a raising device for a grain reaping device, which can efficiently perform inspection and maintenance of the raising device as a whole without lowering the strength of the plant and causing noise due to rattling.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the technical means taken by the present invention is the raising device of a grain-crop reaping device provided with a chain that raises the raising device in a raising case and rotatably pivots a claw. The case is composed of a case body and a cover body, and the upper ends of both cases open with the tip of a plate provided at the upper end of one case oriented in the longitudinal direction of the case provided at the upper end of the other case. Insert them between the concave support plates and lock them together, and secure the cover body to the case body by fixing the lower side of both cases in a sandwiched state by a sandwiching tool interposed between the cases. Is characterized by.

[0005]

[Action]

 According to the present invention, it is possible to perform a mowing operation while raising a grain culm with a raising device provided in the front part of the machine body. In addition, if straw, mud, etc. invades and accumulates along with the claws during the mowing operation and claws, the cutting operation is temporarily stopped and the case is cleaned to clean it. At this time, the cover body of the raising case is detachable from the case body, and after the lower side of the cover body is released, the upper side of the cover can be released by inserting or removing the cover body into or from the case body. The cover body can be easily removed from the case body without tools. Then, with the cover body removed, the worker removes the straw, mud, etc. around the case body, or the raising claws, and then raises and cleans the inside of the case. After cleaning the inside of the case, attach the cover to the case by reversing the procedure. When the cover is completely attached, the upper side of the raising case has a concave shape in which the tip of the plate provided at the upper end of one case opens in the longitudinal direction of the case provided at the upper end of the other case. The support plates are inserted into and interlocked with each other, and the lower side of the raising case is fixed in a sandwiched state by a sandwiching tool interposed in both cases. Therefore, the cover body can be locked and held in a relatively wide range with respect to the case body, especially on the upper side of the case, and the cover body is locked by the case body and independently of the case body. Since it cannot be pulled out to the front side as it is, there is no opening of the cover body, so the case body and the cover body are raised together to ensure sufficient strength of the entire case. .

[0006]

【Example】

 Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Reference numeral 1 is a grain culm harvesting device such as a combine equipped on the front part of the fuselage, 2 is a grain culm raising device, and the upper side of the grain culm raising device 2 is provided inside the raising case 3 A chain 5 is suspended between the drive sprocket 4 and a floating sprocket (not shown) on the lower end side, and a pawl 6 is rotatably and pivotally attached to the chain 5 at predetermined intervals. Reference numeral 7 denotes a drive gear case disposed on the back side of the raising case 3, and a rotary shaft 9 of the drive sprocket 4 is interlocked with a drive shaft 8 in the drive gear case 7 via a bevel gear 10. . By the rotation of the drive sprocket 4, the raising claws 6 which stand upright from the left and right raising cases 3 and rise in opposite directions raise the grain culms on the front face of the machine to adjust the cutting posture. Reference numeral 11 denotes a shock absorber provided above the drive sprocket 4, and the shock absorber 11 guides the raised claw 6 when the lifted claw 6 is turned upside down along the outer periphery of the drive sprocket 4. Then, it is raised and laid down in the case 3. Reference numeral 12 is a position control plate for restricting the above-mentioned shock absorber 11 from being raised and pressed by the claw 6 to rotate upward. A side cover 13 is detachably attached to the side of the grain culm raising device 2.

Reference numeral 14 is a compulsory carding device for the grain culvert disposed on the front side of the grain culm raising device 2, and is suspended between the drive sprocket 15 on the upper end side and the floating sprocket on the lower end side. Carding claws 17 are pivotally attached to the chain 16 at predetermined intervals, and the carding claws 17 are in a direction orthogonal to the pull-up claws 6 and rise up in front of the machine body. The combing claws 17 forcibly pick up the grain culm that has fallen from the uncut land on the side toward the fuselage. Further, the rotary shaft 18 of the drive sprocket 15 is interlockingly connected via a bevel gear 20 to a transmission shaft 19 connected to the rotary shaft 8 of the grain stem raising device 2. The base end portion of the transmission case 21 is detachably connected to and supported by the support member 22 mounted on the position regulating plate 12 from the front side. 22a is a lower support member, and 23 is a cover that can be opened and closed.

FIGS. 4 to 6 show how the side cover 13 is attached. That is, on the lower end side of the side cover 13, support shafts 24, 24 provided at both front and rear ends thereof are rotatably sandwiched by springs 25, 25 provided on the machine body side. Further, the upper end side is supported by a spring 27 attached to a support member 26 on the machine body side by sandwiching a pin 28 provided on the back side of the side cover 13. Numeral 29 is a rotatable disengagement prevention hook provided near the lower part of the pin 28. The disengagement prevention hook 29 is engaged with an engagement rod 31 provided on the support member 26 by the bias of a spring 30. You can do it. By forming the width of the detachment prevention hook 29 to be a wide width 1 which is 1/2 or more of the width L of the upper end portion of the side cover 13, the detachment prevention hook 29 can be easily operated. In addition, it serves as a reinforcing member for the side cover 13.

In the raising case 3, as shown in FIGS. 7 to 8, the tip of the plate 33 provided at the upper end of the cover body 32 is inserted into the concave support plate 35 provided in the case body 34 from above. The lower end of the cover body 32 is held on the case body 34 with one touch by holding the pin 37 provided on the cover body 32 with the spring 36 provided on the case body 34 at the lower end portion of the cover body 32. It is removable. Reference numeral 38 is 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, and the narrow guide 39 is housed in a work position protruding sideways and upward by a lateral swinging operation of an operation lever 41 provided in a driver's seat 40. It is rotatable to the non-working position. That is, the operating rod 43 of the narrow guide 39, which is rotatably supported by the grass body 42, is connected via an arm 44 to a rotating arm 46 which rotates about a fulcrum 45 as an axis. The tip of the arm 46 is connected to a left and right operation rod 48 provided at the lower rear portion of the transmission device 47. Then, 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 left and right in conjunction with the operation of the operating lever 41, the arm 44 causes the arrow shown in FIG. The narrow guide 39 can be rotated up and down by rotating in the A direction.

With the above-mentioned configuration, if the machine body is now inserted into the napped grain culm, the grain culm raising device 2 can raise the grain culm on the front side to perform the mowing work. At this time, even if the culm is lying on the side of the uncut land on the side of the aircraft, the compulsory combing device 14 provided on the front side of the culm raising device 2 forcibly lifts the culm, The fallen grain culm is not caught by the grain culm raising device 2 or stepped on by the airframe. The forced carding device 14 can be firmly supported by the position regulating plate 12 provided in the raising case to be firmly attached to the grain stem raising device 2, and can be connected and supported from the front, so that inspection and maintenance work can be performed. At this time, the side cover 13 attached to the side of the grain culm raising device 2 can be freely attached and detached without removing the compulsory carding device 14. Moreover, since the forced carding device 14 itself can be attached and detached from the front side regardless of the side cover 13, the inspection and maintenance work can be efficiently performed. Further, since the disengagement prevention hook 29 of the side cover 13 is engaged with the engaging rod 31, it does not come off accidentally, and the disengagement prevention hook 29 is formed in a wide width l. When the side cover 13 is attached and detached, the disengagement prevention hook 29 can be easily engaged and disengaged, and the side cover 13 can be reinforced.

In addition, when cut straw, mud and the like are raised together with the raising claw 6 and enter the case 3 and accumulate, the cutting operation is temporarily stopped and the cover body 32 of the raising case 3 is attached to the case body 34. Then, the case 3 is removed and the case 3 is cleaned. In that case, the cover body 32 and the case body 34 are fixed to the lower side of both cases 32 and 34 in a sandwiched state by a spring 36 and a pin 37 (clamping tool) interposed between the cases 32 and 34. Therefore, first, the lower side of the cover body 32 is pulled out to the front side of the case body 34 to release the sandwiching between them. On the upper side of both cases 32, 34, the tip of a plate 33 provided on the upper end portion of the cover body 32 is a concave support plate 35 that opens toward the longitudinal direction of the case provided on the upper end portion of the main body case 34. Since they are inserted between the two and are locked with each other, the cover body 32 is pulled upward in the longitudinal direction of the case to unlock the both. As a result, the cover body 32 can be easily removed from the case body 34 without a tool, and an operator can remove the cover body 32 and the straw wound around the case body 34 or the pull-up claw 6 or the like. It is possible to remove the mud and the like and raise the case 3 to clean the inside of the case 3 without difficulty.

Further, when the cleaning of the inside of the raising case 3 is completed, the cover body 32 is attached to the case body 34 in the reverse order. Then, when the mounting is completed, the upper side of both cases 32 and 34 is between the concave support plate 35 provided at the upper end of the other case body 34 with the tip of the plate 33 provided at the upper end of the one cover body 32. Plugged in and locked together. Further, the lower sides of both cases 32, 34 are fixed to each other in a sandwiched state by sandwiching tools 36, 37. Therefore, the cover body 32 can be locked and held over the case body 34 over a relatively wide width, especially on the upper side of the case, and the cover body 32 is accidentally detached due to vibration of the machine body or the like during mowing work. And the cover body 32 is locked to the case body 34 and cannot be pulled out as it is to the front side of the case body. Opening of the mouth does not occur, so that the case body 34 and the cover body 32 are integrally raised to raise the strength of the case 3 as a whole. On the other hand, the narrow guide 39 provided on the left side of the machine body is convenient because it can be freely operated from the driver's seat 40 to the working position and the non-working position by the operation lever 41 even during the mowing work.

[0014]

[Effect of device]

 In short, the present invention provides a raising device for a grain cultivating device, which is provided with a chain 5 for raising and pulling the claws 6 in a pivotable manner so that the claws 6 are pivotally attached to the case body 34. The upper side of both cases 34, 32 is composed of a cover body 32, and the tip of a 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. Inserted between the concave support plates 35 that are open and locked to each other, and the lower sides of both cases 34 and 32 are fixed in a sandwiched state by sandwiching tools 36 and 37 interposed between the cases 34 and 32. Then, the cover body 32 is detachably attached to the case body 34. Therefore, according to the present invention, when the straw, the mud and the like is accumulated in the raised case 3 after the cover body 32 is removed from the case body 34, the accumulated straw and the like can be easily removed from the case 3. Can be removed. Further, it is not necessary to prepare a tool for removing the cover body 32, and the raising device 2 can be cleaned very quickly. In addition, the cover body 32 of the raising case 3 is fixed to the case body 34 with its upper side locked by the case body 34 and its lower side clamped by the clamps 36, 37. Therefore, the cover body 32 does not come off unexpectedly due to vibration or the like during the cutting operation, or the strength of the whole case 3 is lowered and rattles to cause no noise, which is comfortable and efficient. Reaping work can be performed.

[Brief description of drawings]

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

FIG. 2 is a vertical cross-sectional view showing a part of the grain 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 vertical cross-sectional view showing a part of a side cover.

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

FIG. 8 is a vertical cross-sectional view showing a part of the raising case.

FIG. 9 is a front view showing a mounted state of a narrow guide.

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

FIG. 11 is a side view showing a mounted state of the narrow guide.

[Explanation of symbols]

 1 Grain cutting device 2 Raising device 3 Raising case 5 Chain 6 Raising claw 32 Cover body 33 Plate 34 Case body 35 Support plate 36 Spring 37 Pin

Claims (1)

[Scope of utility model registration request] 1. A raising device for a grain reaping device, comprising a chain (5) for pivotally attaching a raising claw (6) in a raising case (3), wherein the raising case (3) is provided. Is the case body
(34) and cover body (32), the upper side of both cases (34), (32) is a plate provided on the upper end of one case (32)
Insert the tip of (33) between concave support plates (35) that are open at the upper end of the other case (34) and open in the longitudinal direction of the case to lock them together. ), (32), the lower side of the clamps (36), (3
The raising device of the grain-crop reaping device, characterized in that both are fixed in a sandwiched state by (7), and the cover body (32) is detachable from the case body (34).