JP2018139508A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine-harvester shortening an interruption time of harvesting work and improving working efficiency, by instantaneously notifying an operator of a possibility of clogging and causing the operator to accommodate thereto, before a reaping/conveying device of the combine-harvester is clogged and the conveyance is stopped.SOLUTION: A combine-harvester 1 causes a reaper 6 to reap the roots of grain culms growing in a field, and causes a conveyance device 9 to convey and feed them to a thresher 15, and inserts ear tip side of the grain culms in the thresher to thresh them. The combine-harvester includes a conveyance monitoring device 55 that monitors a conveying speed of the grain culms to be conveyed by the conveyance device 9 and, when the grain-culm conveying speed to be detected by the conveyance monitoring device 55 reaches a warning conveyance speed lowered more than a standard conveying speed tailored to the reaping speed, actuates a warning device 56 to notify thereof.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a harvesting and conveying apparatus for a combine.

  Combine harvester harvests cereal stock vegetation on the field with a reaping device, holds the harvested cereal stock with a transport device, threshs while inserting the tip into the threshing device, and selects the threshed grain It is sorted by the device and stored in the Glen tank.

JP, 2006-105742, A

  Weeds are mixed in with the harvesting cereals by the combine. During the transportation of the harvested cereals by the conveyor, the weeds hinder the transportation of the harvested cereals, the transport speed is lowered, and finally clogging occurs, making it impossible to transport. It may be necessary to stop the harvesting work, and in that case, it is necessary to remove the cereal clogging in the transport device. Was the cause.

  The present invention shortens the interruption time of harvesting work by notifying the operator of the possibility that the combine harvesting and transporting device will become clogged as soon as clogging occurs and the transport stops. The task is to improve work efficiency.

  The problems of the present invention are solved by the following technical means.

  The invention of claim 1 cuts the root of the culm planted in the field with the reaping device (6), transports and supplies it to the threshing device (15) with the transport device (9), inserts the tip side of the cereal threshing In the combine (1) to be provided, a conveyance monitoring device (55) for monitoring the conveyance speed of the cereals conveyed by the conveyance device (9) is provided, and the conveyance of the cereals detected by the conveyance monitoring device (55) When the speed becomes a warning transport speed that is lower than the standard transport speed corresponding to the cutting speed, the alarm device (56) is activated and notified.

  According to the second aspect of the present invention, the time from the start of driving the reaping device (6) to the time when the culm sensor (57) provided in the transport device (9) senses the culm is set as the standard transport speed. The combine according to claim 1.

  In the invention of claim 3, when the transport device (9) is clogged before the transport monitoring device (55) detects the warning transport speed, the transport speed immediately before the occurrence of the clogging is set as a new warning transport speed, Thereafter, the alarm device (56) is operated and notified at the new alert conveyance speed, and the combine according to claim 1 is provided.

  The invention of claim 4 stores the difference between the new warning transport speed and the previous warning transport speed as a correction value, and the warning device (56 The combine according to claim 3, wherein the combination is notified.

  The invention according to claim 5 is characterized in that the alarm device (56) does not perform alarm control when the engine speed or traveling speed is lower than the standard condition. This combine.

  In the invention of claim 1, the conveying speed of the cereal that is harvested by the reaping device 6 and conveyed to the threshing device 15 by the conveying device 9 is monitored by the conveying monitoring device 55, and the conveying speed is increased to the alert conveying speed by the mixing of weeds. When it drops, the alarm device 56 is activated to notify the operator. Therefore, the harvesting is performed by returning to the normal transport state by interrupting the cutting and removing the weeds until the traveling stops due to serious clogging. Since the work can be continued, the harvesting efficiency is improved.

  In the invention of claim 2, in addition to the effect of claim 1, the warning transport speed is automatically measured and set according to the traveling speed.

  In the invention of claim 3, in addition to the effect of claim 1, when there is a high possibility that clogging will occur frequently at normal warning transport speeds in field conditions such as weeds are often mixed in the cereal to be harvested However, since the alarm device 56 can warn at the new warning conveyance speed before the clogging occurs after clogging once, the work efficiency is improved.

  In the invention of claim 4, in addition to the effect of claim 3, when the cutting of the field under the same conditions with much weed contamination is resumed, the alarm device 56 can issue an alarm until clogging occurs. .

  In the invention according to claim 5, in addition to the effect of any one of claims 1 to 4, when the engine speed or the running speed is lower than the standard condition, the conveyance speed of the conveyance device 9 is disturbed. The alarm control may malfunction, but this can be prevented.

It is a left view of the combine of the Example of this invention. It is a top view of the combine. It is a sectional side view of a threshing apparatus. It is a top view of a threshing apparatus. It is a control block diagram of the Example of this invention.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings.

  FIG. 1 shows a left side view of a combine for harvesting cereals as a present embodiment, FIG. 2 is a plan view of the combine, and FIG. 3 is a side sectional view in which a portion of the combine threshing device is cut away. Indicates.

  In this embodiment, the front side and the rear side in the forward direction of the combine are referred to as front and rear, respectively, and the left side and right side are referred to as left and right, respectively.

  1 and 2 has a pair of left and right crawlers 4 formed of a flexible material such as rubber in an endless belt shape at the lower part of the traveling frame 2 of the combine 1 shown in FIG. 1 and FIG. The crawler 4 is provided with a traveling device 3 configured to be able to travel stably and freely only by sinking slightly, a cutting device 6 is mounted on the front portion of the traveling frame 2, and an engine (not shown) is disposed on the upper portion of the traveling frame 2. ) And the threshing device 15, the cockpit 20 and the Glen tank 30 are mounted.

  The reaping device 6 is configured such that the reaping device 6 can be moved up and down by an expansion and contraction action of a reaping lift cylinder (not shown), and reaped by the cutting blade device 5 provided on the bottom with the root of the cereal planted on the field. . A weed cutting tool 7 is disposed at the lower front end of the reaping device 6, and a grain raising device 8 having an inclined shape is disposed behind it. Between the cutting blade device 5 and the start end portion of the feed chain 14 of the threshing device 15, the transfer device 9 such as a front transfer device, a handling depth adjusting device, and a supply transfer device (not shown) is successively transferred and transferred to the cereal. It arrange | positions so that the treatment depth adjustment to the threshing apparatus 15 can be performed.

  The transport device 9 is provided with a culm sensor 57 that detects the passage of the chopped cocoon, and measures and controls the time from the start of driving the cutting blade device 5 until the culm sensor 57 detects the culm. The data is transmitted to the device 58 (FIG. 5), and the control device 58 calculates the standard transport speed. At first, the cereals will not be clogged.

  Moreover, the conveyance monitoring apparatus 55 which consists of a camera which reflects the conveyance state of a corn straw is provided in the lower part of the conveyance apparatus 9, an actual conveyance speed is measured with the moving speed of the corn straw conveyed, and every short time or every travel distance Alternatively, when a fluctuation greater than a predetermined value is detected, it is transmitted to the control device 58. The control device 58 averages a plurality of actual conveyance speeds and stores them as an average conveyance speed. The average transport speed may be averaged by excluding a value closest to the standard transport speed or a minimum or maximum value.

  The control device 58 sets the 10% reduction speed of the standard transport speed or a transport speed obtained by subtracting a predetermined speed as a warning transport speed. When the average transport speed decreases to this warning transport speed, an alarm lamp provided in front of the cockpit 20 The warning device 56 consisting of is flashed to notify the combine operator.

  If clogging occurs at an average conveyance speed that is closer to the standard conveyance speed than the warning conveyance speed, the actual conveyance speed immediately before the occurrence of clogging is replaced with a new warning conveyance speed in subsequent harvesting so that an alarm is issued. . Further, the difference or rate of change between the original warning conveyance speed and the new warning conveyance speed is stored as correction data, and the warning conveyance speed is corrected with the correction data so that a clogging alarm is issued in the subsequent cutting operation.

  Furthermore, the warning transport speed may be corrected at a predetermined ratio according to the setting of the cutting travel speed.

  The initial warning transport speed may be calculated from the standard transport speed corresponding to the cutting travel speed stored in the control device 58.

  The above-mentioned alarm control is performed when the engine speed detected by the engine speed sensor 11 is lower than the normal speed or when the travel speed detected by the travel speed sensor 12 is less than the normal speed that is extremely slow. Therefore, alarm control is disabled and alarm notification is not performed.

  The operator who saw the flashing of the alarm device 56 stopped the combine 1 and operated the harvesting / threshing lever 58 (FIG. 5) to interrupt the harvesting of the culm, inspecting the conveying device 9 and mixing it into the culm. Remove clogged weeds to prevent clogging.

  The operation of the harvesting device 6 of the combine 1 is performed as follows. First, the engine is started and the operation levers for shifting, steering, etc. are operated so that the combine 1 moves forward, and the cutting and threshing lever 58 is turned on to drive the rotating parts of the machine body. When 2 is moved forward, cutting and threshing work is started. The cereals to be planted in the field are subject to weeding by the weeding tool 7 at the lower front end of the reaping device 6, and then the culm is raised and the device 8 is raised to bring it upright if it is lying down. The stock of the culm reaches the cutting blade device 5 and is cut and is scraped into the front transport device and transported rearward, inherited by the handling depth adjusting device and the supply transport device, and successively rearward in the continuous state. It is conveyed upward.

  The cereal flour is inherited from the supply conveyance device to the start end of the feed chain 14 and supplied to the threshing device 15.

  In the threshing apparatus 15 shown in FIG. 3, a handling chamber 66 having a handling cylinder 69 pivoted on the upper side is disposed between a front plate 97 and a rear plate 98, and a sorting chamber 50 is integrally provided below the handling chamber 66. Threshing and sorting the supplied cereal grains.

  The cereals supplied to the threshing device 15 are inserted into a handling chamber 66 that is a main threshing unit, and are conveyed by the feed teeth 14 and a large number of teeth 69a of a handling cylinder 69 that is pivoted on the handling chamber 66 and rotated. Threshing is performed by the interaction with the handling net 74 surrounding the lower side of the handling drum 69 in an arc shape, and the object to be processed (grains and sawdust) is received by the swing shelf 51 of the sorting chamber 50 in the threshing device 15; While moving backward on the swing shelf 51 swinging up and down and forward and backward, the wind is sorted by receiving wind from the Karatsu 79, and the grains with heavy specific gravity are the first chaff sheave 53, the second chaff sheave 54 and the sorting net 63. Is passed through the first helix 65 and the first cereal cylinder 45 having a built-in conveying helix to the Glen tank 30 and temporarily stored in the Glen tank 30. On the shaft axis in the longitudinal direction of the first cereal cylinder 45, the straw outlet of the grain tank 30 is provided.

  The remaining threshed culms that have reached the end of the handling chamber 66 of the threshing device 15 and are long are sandwiched between the culling chain 80a (FIG. 4) and the culling head chain 80b (FIG. 4). It is conveyed, thrown into the waste disposal chamber 82 at the rear of the threshing device 15 and released to the field. In the waste treatment chamber 82, waste cutter blades 81a and 81b are provided, and the cereals cut by the waste cutter blades 81a and 81b are below the waste cutter blades 81a and 81b, The base portion is supported by the front wall portion of the paddy processing chamber 82, and is guided to a plate-shaped cutting paddle guide 96 (FIG. 3) provided in a backward downward inclination and is released to the field.

  A grain tank spiral (not shown) for conveying the grain is provided at the bottom of the grain tank 30, and a discharge auger composed of a vertical auger 18 and a horizontal auger 19 is provided on a spiral drive shaft (not shown) for driving the grain tank spiral. The grains that are connected and stored in the Glen tank 30 are discharged to the outside of the combine 1 from the discharge auger discharge port. The Glen tank spiral, vertical auger spiral (not shown), and horizontal auger spiral (not shown) are rotationally driven in response to the power of the engine and carry stored grains by the screw conveyor action of the respective spiral blades. .

The grain husks harvested by the reaping device 6 are adjusted in the handling depth by the cereal conveyance and adjusting device attached to the reaping device 6 and inserted into the handling chamber 66 which is the main threshing portion of the threshing device 15. A handling drum 69 pivoted in the handling chamber 66 has a large number of teeth 69a on its surface, and is rotated in the direction of arrow B in FIG. 4 by a drive mechanism (not shown) from the engine. The cereal grains with grains inserted in the handling chamber 66 are conveyed in the direction of arrow A in FIG. 4 by the moving feed chain 14, while the handling teeth 69 a and the handling net 74 of the handling cylinder 69 rotate in the direction of arrow B. Is threshed by the interaction.
The object to be processed separated from the cereal basket passes through the handling net 74 and is received by the swing shelf 51.

  The swing shelf 51 includes a transport shelf 52 arranged below the handling net 74 of the handling chamber 66, a first chaff sheave 53 and a second chaff sheave 54 arranged from the front to the rear, and a straw arranged at the rearmost end. It comprises a sorting net 63 arranged below the rack 62 and the first and second chaff sheaves 53 and 54.

  Further, since the swing shelf 51 swings in the up / down and front / rear direction by the operation of the swing shelf drive mechanism (not shown), the object to be processed leaks onto the swing shelf 51 while moving in the arrow D direction (FIG. 3). The grain having a high specific gravity passes through the sorting net 63 in the direction of arrow E, is accumulated on the first shelf 64, and is conveyed from the first spiral 65 to the grain tank 30 via the first lifting cylinder (not shown). The The grains stored in the Glen tank 30 are conveyed to the outside of the combine 1 via the augers 18 and 19.

  Among the objects to be processed on the swing shelf 51, lightweight ones are blown off by the swing action of the swing shelf 51 and the air blown by the fan 79 a of the Karatsu 79, and the first chaff sheave 53 and the second chaff sheave from the swing shelf 51. No. 2 grain which moves in the direction of arrow D toward 54 and leaks in the direction of arrow G on the Strollac 62 and is collected on the second shelf 85, and second in the second spiral 86. It is conveyed to a milled cylinder (not shown).

  The second kernel (sometimes called the second product) is a mixture of normal kernels, branch boughs, sawdust and scorpion kernels with normal kernels in sawdust. The inside of the milling cylinder is pumped up by the second milling cylinder spiral and discharged from the second processing chamber entrance to the second processing chamber 67.

  A second processing cylinder 70 pivoted under the second processing chamber 67 rotates in the direction of arrow J in FIG. 4 by a drive mechanism that transmits power from the engine. The second kernel is separated from the second kernel while branching in the direction of arrow I (FIGS. 3 and 4) while colliding with a number of processing teeth 70a planted in the second processing cylinder 70. The part of the object to be processed passes through a receiving net (not shown) provided below the second processing cylinder 70 and directly leaks into the sorting chamber 50. The portion is sent to the front end of the second processing cylinder 70 and discharged to the transport shelf 52, and is sent again in the direction of the first chaff sheave 53 and the second chaff sheave 54, and the grains are sent to the first chaff sheave 53 and the second chaff sheave 54. It passes through the sorting network 63 and is collected in the first spiral 65.

  In this way, the second product is collected and sent again onto the transport shelf 52 and reprocessed by the first chaff sheave 53 and the second chaff sheave 54, so that the separation between the grain and the sawdust is improved.

  The threshing cereals that have been threshed in the object to be processed that have traveled in the direction of arrow A in FIG. 4 and have reached the end of the handling room 66 are in the direction of arrow A1 shown in FIG. It is transported and put into the waste disposal chamber 82.

  In addition, among the objects to be processed that have reached the end of the processing object conveyance direction end by the handling cylinder 69 of the handling chamber 66, short objects such as sawdust are transported by the handling cylinder 69 of the handling chamber 66. It is thrown in the direction of the arrow A2 (FIG. 4) from the dust collection chamber inlet 68a in the communication port 101 that communicates the end portion and the start end of the workpiece in the conveyance direction of the workpiece by the dust collection cylinder 71 of the dust collection chamber 68. Then, it enters the dust removal processing chamber 68 by the action of the spiral 71b for improving the intake from the handling chamber 66, and in the dust removal processing chamber 68, the processing teeth 71a of the dust collection processing cylinder 71 which rotates rotates in the direction of arrow K (FIG. 3). Processed while being transported. A spiral 71 b is provided on the upper side of the dust removal processing cylinder 71, and a processing tooth 71 a is provided on the lower side of the dust removal processing cylinder 71. On the side of the handling chamber 66 of the dust processing cylinder 71, a lattice-like dust processing cylinder frame 72 (FIG. 6) is provided along the lower side of the dust processing cylinder 71 and the outer periphery of the handling chamber 66 side. The filter body of the chamber 68 is configured.

  A rear end 72 a (FIG. 3) of the dust removal treatment cylinder frame 72 is disposed forward of a predetermined distance from a rear end 68 b (FIG. 3) of the dust removal treatment chamber 68. The first dust discharge port 102 that discharges the workpiece that has reached the rear end of the dust removal processing chamber 68 to the outside of the threshing device 15 is swung between the rear end 68b of the dust removal treatment chamber 68 and 72a. An opening is provided obliquely downward toward the top of the shelf 51 and toward the rear.

  Leakage (grains) in the processing object mainly composed of sawdust containing a small amount of grain entering the dust disposal chamber 68 leaks from the receiving net 76 (FIG. 3) onto the swing shelf 51. Then, it is guided to the Strollac 62 provided on the swing shelf 51 and sent from the second shelf board 85 to the second processing chamber 67 via the second lifting cylinder 87. The second processing cylinder 70 and the dust removal processing cylinder 71 on the same axis are driven by a driving force from the engine via a pulley (not shown).

  As shown in FIG. 3, a suction fan 91 for sucking an object to be processed is provided at the rear part of the threshing device 15, and the dust having a low specific gravity among the dust discharged in the threshing device 15 including the dust processing chamber 68. Air containing waste, branches, and dust is sucked by blowing air by rotation of the suction fan 91, blown out in the direction of arrow L from the third dust outlet 92, and discharged to the outside of the combine 1.

On the other hand, the object to be processed that is not sucked by the air blown by the rotation of the suction fan 91 is provided at the rear end of the stroller 62 that is the terminal portion of the swing shelf 51, and second dust exhaust formed on the rear wall 15 a of the threshing device 15. It is discharged from the mouth 103 to the outside of the combine 1.
It is good to display the weight and moisture content of the grain.

DESCRIPTION OF SYMBOLS 1 Combine 6 Harvesting device 9 Conveyance device 15 Threshing device 55 Conveyance monitoring device 56 Alarm device 57 Wheat grain sensor

Claims (5)

  In the combine (1), the root of the cereal vegetation vegetated in the field is harvested by the reaping device (6), transported and supplied to the threshing device (15) by the transport device (9), and the tip side of the cereal is inserted and threshed. A transport monitoring device (55) for monitoring the transport speed of the cereals that are transported by the transport device (9) is provided, and the transport speed of the cereals detected by the transport monitoring device (55) corresponds to the cutting speed. The combine characterized by operating a warning device (56) and alerting | reporting it when the warning conveyance speed fell from the standard conveyance speed.   The time from the start of driving of the reaping device (6) to the time when the culm sensor (57) provided in the transport device (9) senses the culm is defined as the standard transport speed. Combine.   If clogging occurs in the transport device (9) before the transport monitoring device (55) detects the warning transport speed, the transport speed immediately before the occurrence of the clogging is set as a new alert transport speed, and thereafter the new alert transport speed is used. The combine according to claim 1, wherein the alarm device (56) is operated to notify.   The difference between the new alert transport speed and the previous alert transport speed is stored as a correction value, and the alarm device (56) is operated and notified at the new alert transport speed obtained by correcting the alert transport speed with the correct value when cutting is resumed. The combine according to claim 3. The combine according to any one of claims 1 to 4, wherein the alarm device (56) does not perform alarm control when the engine speed or the running speed is lower than a standard condition.

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