JPH03290106A - Small mower - Google Patents

Abstract

PURPOSE: To perform reaping work with motive force and to transfer reaped objects while almost putting them in order on the ground by rotating a rotary cutting blade device, moving a reaper forward and driving a transferring means through the rotational movement provided from a motor. CONSTITUTION: A motor 2 is operated, a reaper handle 23 is turned toward an advancing direction, reaping object crops are surrounded by a discharge board 9, rotary drum 24 and discharge pin 29 and rotationally transferred while being cut by a rotary cutting blade 7, and the crops are separated from the rotary drum 24 by a discharge scraper 30, extruded by the reaped objects crowded by moving the reaper forward, and dropped onto the ground at prescribed speed in prescribed direction toward the outside of the reaper.

Description

[Detailed description of the invention]

[0001]

[Industrial application field]

The present invention relates to a small reaping machine, and more specifically, the present invention relates to a small reaping machine, and more specifically, it can perform reaping work more efficiently and economically in place of the sickle that is currently used by many farmers when taking in agricultural crops such as grass, grass, wheat, and rice. This invention relates to a small-sized reaper. [0002]

[Conventional technology]

BACKGROUND ART Reapers used by farmers to harvest agricultural products such as grass, grass, wheat, and rice have been known. [0003]

[Problem to be solved by the invention]

However, one of the traditional reapers is a portable reaper.
Work is carried out while carrying the prime mover on the back, and the vibrations and noise are directly transmitted to the human body, causing the worker to soon feel fatigued.Also, the cutting height of the object must be controlled manually. It has many drawbacks that make it difficult to master the reaping function. [0004] Another type of reaping machine has many difficulties in adjusting the cutting height and easily gathering objects after cutting. Furthermore, the human-powered reaper disclosed in Korean Patent No. 28907 can smoothly cut and discharge the harvested materials using the power, but continuous work cannot be performed until the reaper is pushed forward by human power. Since the device is designed to perform this task, it is not suitable for long hours of work on uneven farmland surfaces, as it causes fatigue, and has the disadvantage of being inferior in usability. [0005] Therefore, in view of the above-mentioned conventional problems, the present invention enables the reaping work to be performed continuously and easily using power, allows the reaped material to be processed more easily and efficiently, and makes it easier to use. The purpose of the present invention is to provide a compact reaper with excellent performance. [0006]

[Means to solve the problem]

Therefore, the small reaper of the present invention includes a rotating means for rotating a horizontally installed rotary cutting blade device at high speed by the rotational movement obtained from the prime mover, and a rotating means for rotating the horizontally installed rotary cutting blade device at high speed, and the rotational force is transferred by the rotational movement to a deceleration device to reduce the speed and advance. and a transport means for transporting the crops cut by the rotary cutting blade device so that they are laid out in substantially uniform rows on the ground. [0007] The rotary cutting blade device includes a cutting blade fixed plate, a cutting blade made of a special wire or a small chip sintered by powder metallurgy, which is fastened to the upper and lower surfaces of the peripheral edge of the fixed plate with fasteners, respectively. It can consist of an upper blade. The transfer means includes a rotating drum that is rotationally driven in conjunction with the advancing means and whose rotation direction can be changed from side to side by a direction changing device, and a discharge plate fixed to the lower end of the rotating drum in the form of a flange. It can be configured to include [0008] It is preferable that the ejection plate is positioned lower than the upper blade by about 2 mm to 3 mm. The rotary drum includes an ejection pin, a cam plate, and an ejection pin guide tube therein, and the ejection pin is located on the front surface of the rotating drum. At certain points, the side discharge rakes are pushed outward from the outer surface and rotate together with the rotary drum and discharge plate while supporting the harvested crops, and are located on opposite sides of the outer circumferential surface of the rotary drum. When it comes to the rotary drum, it can be configured to operate by entering inward from the inner surface of the rotating drum. [0009] It is preferable that a bottom plate is disposed below the cutting edge and the cutting edge fixing plate. The advancing means may be configured to transmit the rotational power of the prime mover to the running wheels of the reaper by means of power transmission means including a clutch that rotates idly when overloaded. [0010]

[Effect]

In this configuration, when the prime mover is operated, the crop to be reaped is cut by the rotary cutting blade device and transported by the transfer means, and as the reaper continues to move forward by the forwarding means, it is cut in front, and the crop is cut in front by the harvested material that is rushing towards it. It is pushed out and falls to the ground at a predetermined speed and direction outside the reaper. [0011] When this kind of work continues, the harvested crops are laid out on the ground in roughly uniform rows, so the reaping work can be done continuously and easily using power, and it is also easy to carry out the subsequent work. Cuttings spread out in an orderly manner can be processed more easily and efficiently. The cutting edge and upper blade made of the small chips can be easily and economically replaced when worn or damaged. [0012] Furthermore, since a discharge plate is provided which is fixed to the lower end of the rotary drum in the form of a flange, the cut crops can be transported in an orderly manner. Furthermore, a cam plate and a discharge pin are provided, the discharge pin being disposed in the rotating drum and being pushed outward from the outer surface at the front part of the rotating drum to support the cut crop together with the rotating drum and the discharge plate. When the discharge pin reaches the position of the side discharge rake, it may be inserted inside the inner surface of the rotating drum, which may interfere with the action of the discharge rake that discharges the harvested material toward the ground. This allows for the orderly transfer of crops. [0013] Furthermore, since the bottom plate is provided, when the reaping operation continues, the crop stumps cut at the front part of the cutting blade fixing plate are cut again at the rear part, resulting in unproductive double cuts, and This prevents the cutting blade fixing plate from coming into contact with the stump and blocking the rotational force. In addition, when the rotating drum and cutting edge fixing plate are momentarily blocked and stopped during forward movement, the clutch is allowed to idle when a severe overload is applied to prevent damage to fragile parts during rotational movement. The transfer means linked to the running wheels can be operated faster, and the amount of work can be increased by prompting the reaper to discharge crops and advance the reaper more quickly. [0014]

【Example】

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, referring to FIGS. 1 to 3, the small reaper according to the present invention includes a rotating means for rotating a horizontally arranged rotary cutting blade device at high speed by the rotational motion obtained from the prime mover 2, and an advancing means for decelerating and advancing the rotational force through a deceleration device through motion, and crops cut by the rotary cutting blade device, ie, crops such as rice planted in rows, wheat, wheat, grass, etc. that are scattered. It is composed of a transport means that transports the crops so that they are laid out almost in a line on the ground, and the harvested crops can be uniformly discharged from the reaper towards the ground, and the reaping operation can be carried out. It can be done continuously. [0015] Further, the cutting blade 7 and the upper blade 8, which are the constituent elements of the rotary cutting blade device, are made of special steel made of a copper disk or a cross-shaped flat steel plate, or small chips sintered by powder metallurgy. ,
The rotating cutting blade fixing plate 6 is positioned via the rotating cutting blade fixing plate 6, which is also a component of the rotating cutting blade device.
Since it can be used by being tightened with bolts as fasteners on the top and bottom surfaces of the peripheral edge of the device, it can be easily and economically replaced in the event of wear or damage. [0016] Also, for orderly transfer of the harvested crops, a discharge plate 9 is provided which is fixed to the lower end of the rotating drum 24 in the form of a flange. This discharge plate 9 is preferably positioned lower than the upper blade 8 by about 2 mm to 3 mm. Furthermore, in order to transport the crops in an orderly manner, a cam plate 26 and a discharge pin 29 are provided, the discharge pin 29 being arranged in the rotary drum 24 and pushed outward from the outer surface at the front part of the rotary drum 24. The rotary drum 24 and the discharge plate 9 are rotated while supporting the harvested crops, and when the discharge pin 29 is positioned on the side discharge rake 30, it is inserted inside the inner surface of the rotary drum 24 and the harvested material is removed. It is possible to operate so as not to cause any hindrance to the action of the discharge paddle 30 which discharges the discharge toward the ground. [0017] Furthermore, when the reaping operation continues, the crop stump that was cut at the front part of the cutting blade fixing plate 6 is cut again at the rear part, resulting in unproductive double cutting, and the cutting blade is attached to the cut stump. A bottom plate 10 is provided to prevent the fixed plates 6 from coming into contact and blocking rotational force. In addition, when the front wheel 35 as a running wheel, the rotating drum 24, the cutting edge fixing plate 6, etc. are blocked and stopped from rotating instantly during forward movement, the gear reducer 12 and other fragile parts during rotation may be damaged. To prevent this, when a severe overload is applied, the clutch 14 is allowed to idle, and when the reaper handle 34 is grasped and the reaper handle 34 is pushed further manually, the clutch 1
4 slides over the contact part and starts spinning idly, causing the front wheel 3
It becomes possible to rotate the rotating drum 24 which is interlocked with the rotary drum 24 at a faster speed, and it becomes possible to encourage the removal of the reaper and the advance of the reaper even more quickly. [0018] Next, the detailed structure of the above-mentioned reaper according to the present invention will be explained with reference to its functions. That is, when the operator grasps and pulls the starting handle 1 of the prime mover 2, the prime mover 2 can be easily started. When the engine can be started and the engine 2 starts to rotate normally, the centrifugal clutch 3 is automatically activated by centrifugal force, and the engine 2 rotates. [0019] A pulley 39 is fixedly attached to the prime mover shaft 4, and this pulley 39 is connected via a belt 40 to a pulley 41 fixedly attached to the cutting edge rotation shaft 5. When the cutting edge rotation shaft 5 begins to rotate in response to power transmission from the prime mover shaft 4, the cutting blade fixing plate 6 fixed to the lower end of the cutting edge rotation shaft 5 begins to rotate at the same speed. . The cutting edge 7 and the upper blade 8 are fixed to the periphery of the cutting edge fixing plate 6 by bolts as fasteners (not shown) so that the blades are oriented in the rotating direction and are horizontal. Since the blade 8 rotates together with the cutting blade fixing plate 6 at the same high speed (2,000 to 6,000 RPM) as the prime mover 2, the crops to be reaped that come into contact with the cutting blade 7 can be efficiently cut by the power without relying on human power. [0020] On the other hand, the rotational power of the prime mover 2 is transmitted to a pulley 44 fixed to the reducer shaft 11 by a pulley 42 and a belt 43 separately fixed to the prime mover shaft 4, and is reduced to a low speed ( 20 to 60 RPM), the rotational force causes only a part of the clutch 14 fixed to the upper reduction shaft 13 to rotate. In the above-mentioned state, when the clutch control handle 17 is pressed downward, the lower part of the clutch 14 connected to the clutch lever 18 comes into contact with the upper and lower parts through the slide key, and the clutch 14 becomes one body, and the lower deceleration shaft 22 will be rotated at the same speed. The power is applied to a forward wheel shaft 16 placed horizontally by a forward drive device 15 consisting of a pair of bevel gears fixed to the lower end of the lower reduction shaft 22.
When the front wheels 35 fixed to both ends of the shaft 16 are rotated, the reaper starts moving forward.
Agricultural crops to be reaped that touch the rotating cutting blade 7 connected to the same prime mover shaft 4 are continuously reaped. [0021] In the above-mentioned state, if the object to be reaped is continuously reaped, the reaped object becomes instantaneously floating due to the upper blade 8, and is pushed out and rotated by the reaped object that is successively reaped and pushed forward. It rides on a wide flange-shaped discharge plate 9 fixed to the lower end of the drum 24. As the work continues in the above-mentioned state, the harvested crops are pushed forward by the cuttings that have been cut in front and are pushed forward, and come into contact with the rotating drum 24. [0022] At this time, in order to discharge the harvested material in a desired direction, when the direction control handle 19 is turned to the left or right, the slide key provided on the forward wheel shaft 16 allows the mowing material to be discharged in a symmetrical manner while maintaining a predetermined gap. By the operation of the direction changing device 20 which is arranged to be interlocked left and right, one of the pair of bevel gears 21 and the bevel gear 38 fixed to the drum power shaft 36 are engaged with each other, and the drum power shaft 36 is rotated. Allows you to rotate to the left or right. The drum power shaft 36 and the pulley 4
5. When the rotating drum 24 is fixed to the drum fixed rotating shaft 23 connected by the belt 46 and the pulley 47, the rotating drum 24 rotates at a reduced speed in the desired left-right direction. [0023] Next, referring to FIGS. 4a and 4b, the ejection pin 29
When the rotating drum 24 rotates, the rotating drum 24 simultaneously rotates.
4 and conveys the harvested material while rotating. In this case, the ejection pin 29 first protrudes to the outside at the front surface of the rotary drum 24 while passing through the ejection scrape 30 within the ejection pin guide tube 27 fixed to the inner wall of the rotary drum 24, and then protrudes internally at the rear surface. The cutting material is caused to perform a reciprocating motion in which the cutting material completely enters the cutting material, and together with the rotating drum 24 and the discharge plate 9, the material is surrounded and transported vertically. [0024] In order to perform such an operation, the ejection pin 29 has a small pin protruding from one end portion, the ejection pin roller 28 is coupled to this small pin, and the other side thereof is inserted into the ejection pin guide tube 27. After that, the ejection pin roller 28 touches the cam plate 26.
The cam plate 26 is provided with an appropriate gap so that it can rotate smoothly along the cam groove formed in the cam plate 26. This cam plate 26 is fixed on a cam plate fixing support tube 25 fixed on the front plate of the reaper frame 31, and when the rotating drum 24 rotates, the ejection pin roller 28 is moved from the cam plate 2.
The ejecting pin 29 connected to the roller 28 continues to reciprocate within the ejecting pin guide tube 27 and rotates together with the rotating drum 24. [0025] When the small reaper configured as described above operates the prime mover 2 and steers the reaper handle 34 in the direction in which it should proceed,
The crop to be reaped is cut by the rotating cutting blade 7, surrounded by the discharge plate 9, the rotary drum 24, and the discharge pin 29, and rotated, and separated from the rotary drum 24 by the discharge rake 30, and the reaping machine As it continues to move forward, it is cut in front, pushed out by the oncoming crop, and falls to the ground outside the reaper at a predetermined speed and direction. [0026] When this kind of work continues, the harvested crops are laid out uniformly on the ground in rows, so the reaping work can be carried out continuously and easily using power, and the subsequent work can also be carried out in an orderly manner. It is possible to more easily and efficiently process harvested materials that are spread side by side. In the above embodiment, pulley 39. Belt 40. The cutting edge rotating shaft 5 and the pulley 41 constitute the rotating means of the present invention. [0027] Also, the pulley 42. Belt 43. Pulley 44. Reducer shaft 1
1. Reducer 12. Clutch 14. Clutch control handle 17
．． Clutch lever 18, lower reduction shaft 22. Forward drive device 15. The forward wheel shaft 16 and the front wheel 35 constitute the forward moving means of the present invention. Furthermore, the direction control handle 19. Direction changing device 20. Bevel gear 21. Drum power shaft 36, bevel gear 38. Pulley 45.
Belt 46. Pulley 47. The fixed drum rotating shaft 23 and the rotating drum 24 constitute the transfer means of the present invention. [0028] As mentioned above, the present invention is not limited to the force plate described with reference to specific embodiments, and the present invention is not limited thereto. It should be noted that various changes and modifications may be made without departing from the scope of the appended claims. [0029]

【Effect of the invention】

As explained above, according to the small reaping machine according to the present invention, vibrations and noise are not directly transmitted to the human body, the operator does not feel fatigued, and there are few difficulties in mastering the reaping function. . In addition, the cutting height can be adjusted and the objects can be easily gathered after cutting. Furthermore, even when working for long periods on uneven farmland surfaces, you won't feel fatigued and the harvested material can be processed more easily and efficiently, making it extremely useful. be. [0030] In particular, the rotary cutting blade device is equipped with a cutting blade fixed plate and a cutting blade made of a special wire or a small chip sintered by powder metallurgy that is tightened with fasteners on the upper and lower surfaces of the peripheral edge of the fixed plate, respectively. and an upper blade, the cutting edge and the upper blade consisting of the small chips can be easily and economically replaced when worn or damaged. Further, the transfer means includes a rotating drum which is rotationally driven in conjunction with the advancing means and whose rotation direction can be changed from side to side by a direction changing device, and a discharge plate fixed to the lower end of the rotating drum in the form of a flange. If you configure it by including
The harvested crops can be transported in an orderly manner. [0031] Furthermore, if the discharge plate is positioned lower than the upper blade by about 2 mm to 3 mm, crops can be cut efficiently. The rotating drum includes therein a discharge pin, a cam plate and a discharge pin guide tube, and the discharge pin is pushed outward from the outer surface at the front part of the rotary drum to remove the cut crop together with the rotary drum and the discharge plate. It rotates while supporting the rotary drum, and when it comes to the position of the side discharge racks arranged on opposite sides of the outer peripheral surface of the rotary drum, it is configured to operate by entering inward from the inner surface of the rotary drum. This will allow for the orderly transportation of crops. [0032] Furthermore, if a bottom plate is disposed below the cutting blade and the cutting blade fixing plate, when the reaping operation continues, the stumps of the crop cut at the front of the cutting blade fixing plate will be re-cut at the rear. This prevents the unproductive double cutting caused by cutting, and the cutting blade fixing plate coming into contact with the cut stump and blocking the rotational force. Further, the forwarding means can be configured to transmit the rotational power of the prime mover to the running wheels of the reaper by means of a power transmission means including a clutch that rotates idly when overloaded, and the rotating drum and cutting blade fixing plate are instantaneously moved during forward movement. In order to prevent damage to fragile parts during rotary movement, when a heavy overload is applied, the clutch is allowed to idle, allowing the transfer means linked to the running wheels to speed up. The amount of work can be increased by prompting the reaper to discharge crops and move the reaper forward more quickly.

[Brief explanation of the drawing]

[Fig. 1] A plan view of an embodiment of a small reaper according to the present invention.

[Fig. 2] Side view of an embodiment of a small reaper according to the present invention

[Fig. 3] Front view of an embodiment of a small reaper according to the present invention

[Fig. 4] 4a is a sectional view of the rotating drum portion, and 4b is an enlarged view showing how the ejection pin guide tube, ejection pin, ejection pin roller, and cam plate are connected.

[Explanation of symbols]

starting handle prime mover Cutting edge rotation axis Cutting blade fixing plate cutting edge Upper blade discharge plate Bottom plate reducer shaft Decelerator clutch Forward drive forward wheel axle clutch control handle clutch lever directional steering handle direction change device bevel gear lower reduction shaft Drum fixed rotation axis rotating drum cam plate Ejection pin guide tube ejection pin roller Ejection pin Side discharge scraper front wheel drum power shaft gear pulley belt pulley pulley belt pulley pulley belt pulley

【Document name】

drawing

[Figure 1]

[Figure 4]

Claims (7)

[Claims] 1. A rotating means for rotating a horizontally installed rotary cutting blade device at high speed by a rotary motion obtained from a prime mover (2); and an advancing means for decelerating and advancing the rotational force by the rotary motion through a speed reduction device. and a transfer means for transferring the crops cut by the rotary cutting blade device so that they are laid out in substantially uniform rows on the ground. [Claim 2] The rotary cutting blade device includes a cutting blade fixing plate (6) and a special wire or powder metallurgy sintered with fasteners fastened to the upper and lower surfaces of the periphery of the fixing plate (6), respectively. A small reaper according to claim 1, comprising a cutting edge (7) and an upper blade (8) made of small chips. 3. The transfer means includes a rotating drum (24) which is rotationally driven in conjunction with the advancing means and whose direction of rotation can be changed from side to side by a direction changing device (20);
24) A discharge plate (9) fixed to the lower end with a flange shape
) The small-sized reaping machine according to claim 1, comprising: 4. The small reaper according to claim 3, wherein the discharge plate (9) is positioned lower than the upper blade (8) by about 2 mm to 3 mm. 5. The rotating drum (24) has an ejection pin (29), a cam plate (26) and an ejection pin guide pipe (27) within itself.
), and the ejection pin (29) is connected to a rotating drum (24).
The front surface of the rotary drum (24) is pushed outward from the outer surface and rotates together with the rotary drum (24) and the discharge plate (9) while supporting the harvested crop, and both opposing sides of the outer peripheral surface of the rotary drum (24) The small-sized reaper according to claim 3, wherein the small-sized reaper operates by entering inward from the inner surface of the rotary drum (24) when coming to the position of the side discharge rake (30) arranged at the position. Claim 6: A rotating cutting blade (7) and a cutting blade fixing plate (6).
3. The small-sized reaping machine according to claim 2, further comprising a bottom plate (10) disposed below the bottom plate (10). 7. Claim 1, wherein the advancing means is configured to transmit the rotational power of the prime mover (2) to the running wheels of the reaper by means of power transmission means including a clutch (14) that rotates idly when overloaded.
The small reaper described in .