Deposit removal device

Abstract

SOLUTION: A deposit removal device (38) comprises: a collision member (40) which collides with a swinging selection body (30) provided in a selection unit (20) of a head-feeding combine harvester (10); and a support member (42) which supports the collision member such that the collision member collides with the swinging selection body with swinging of the swinging selection body.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to an attachment removal device for removing attachments on a rocking sorting body provided in the sorting section of a head-feeding combine harvester. [Background technology]

[0002] Head-feeding combine harvesters thresh harvested crops and temporarily store the grains (paddy) in a grain tank. In order to efficiently harvest grain and reduce costs, it is possible to increase the number of hours the combine operates per day. One example is to use the combine to harvest not only during the day, but also at night or early in the morning. However, harvesting at night or early in the morning can cause problems, such as the surface of the harvested crops getting wet due to dew. When the surface of the harvested crops is wet, harvest loss increases. In addition, wet harvested crops tend to stick to various parts of the combine, and the harvested crops also tend to stick to each other. This causes the harvested crop to clog various parts of the combine, significantly reducing work efficiency.

[0003] Patent Document 1 discloses a device for suppressing the adhesion of dust and the like to the oscillating sorting body (oscillating sorting shelf) of a sorting section. This device applies a high-frequency voltage to multiple vibration elements attached to the oscillating sorting body, causing the oscillating sorting body to vibrate slightly. When the oscillating sorting body vibrates, dust and the like are less likely to adhere to its surface. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-204102 Summary of the Invention [Problem to be solved by the invention]

[0005] In the device of Patent Document 1, the oscillating sorting body and the battery must be connected by wiring. This requires careful consideration of the durability and layout of the wiring. Furthermore, in harsh environments with dust, vibration, etc., it is necessary to protect the precision machinery that controls the voltage. Furthermore, if a battery is attached to the oscillating sorting body, there is a possibility that it may have a negative impact on the behavior of the oscillating sorting body. Furthermore, in order to vibrate the oscillating sorting body finely, precise control of the vibration frequency is required. It is difficult to perform such frequency control in a combine harvester in a farm field. For these reasons, it is desirable to remove deposits from the oscillating sorting body using a method that does not use electricity.

[0006] The present invention aims to solve the above-mentioned problems. [Means for solving the problem]

[0007] An embodiment of the deposit removal device of the present invention comprises a collision member that collides with a oscillating sorting body provided in the sorting section of a head-feeding combine, and a support member that supports the collision member so that the collision member collides with the oscillating sorting body due to the oscillation of the oscillating sorting body. [Effects of the Invention]

[0008] According to the present invention, the oscillating sorting body can be vibrated without requiring a separate power source or operation control, thereby eliminating adhesion of dust, etc. to the oscillating sorting body. Furthermore, according to the present invention, deterioration of the adhesion removal device can be suppressed in an environment where dust, vibration, etc. are present. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is a left side view of a head-feeding combine harvester. [Figure 2] FIG. 2 is a right side view of the head-feeding combine harvester. [Figure 3] FIG. 3 is a schematic diagram of the oscillating sorting body and the deposit removing device according to the first embodiment. [Figure 4] FIG. 4 is a schematic diagram of the oscillating sorting body and the deposit removing device according to the second embodiment. [Figure 5] FIG. 5 is a schematic diagram of a shaking sorting body and a deposit removing device according to a third embodiment. [Figure 6] FIG. 6 is a schematic diagram of a shaking sorting body and a deposit removing device according to a fourth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0010] [1 Head-feeding Combine 10] Figure 1 is a left side view of the head-throttling combine harvester 10. Figure 2 is a right side view of the head-throttling combine harvester 10. The head-throttling combine harvester 10 has a traveling section 12, a reaping section 14, a transport section 16, a threshing section 18, a sorting section 20, a grain tank 22, and a grain discharge section 24.

[0011] The traveling unit 12 rotates endless tracks such as crawlers to propel the head-feeding combine harvester 10. The reaping unit 14 reaps crops in the field. The transporting unit 16 transports the crops reap by the reaping unit 14 to the threshing unit 18 at the rear. The threshing unit 18 threshes the crops transported by the transporting unit 16. The sorting unit 20 separates the grains from the grains removed from the stalks by the threshing unit 18 and from foreign matter (straw) mixed in with the grains. Horizontal and vertical transport augers (not shown) transport the grains sorted by the sorting unit 20 to the supply port of the grain tank 22. The grain tank 22 temporarily stores the grains. The grain discharge unit 24 discharges the grains discharged from the grain tank 22 into a container or the like outside the head-feeding combine harvester 10 using vertical and horizontal discharge augers (not shown). The sorting section 20 of the head-feeding combine 10 is fitted with an adhering material removal device 38, which will be described below.

[0012] [2. Deposit removal device 38 according to the first embodiment] 3 is a schematic diagram of a swaying sorting body 30 and an attachment removal device 38 according to the first embodiment. The sorting section 20 is provided with the swaying sorting body 30. The swaying sorting body 30 is also called a swaying sorting shelf, a swaying shelf, a swaying plate, etc. The swaying sorting body 30 sways up and down by the operation of a swaying mechanism (not shown).

[0013] The oscillating sorting body 30 has a grain pan 32 and a chaff sieve 34. The grain pan 32 is located below the threshing body (not shown) and receiving net (not shown) of the threshing section 18. The grain pan 32 oscillates to transport the grains and fine straw debris that have passed through the receiving net rearward. The chaff sieve 34 is located behind the grain pan 32. The chaff sieve 34 oscillates to separate the grains and straw debris sent from the grain pan 32. The grains sorted by the chaff sieve 34 are transported to the grain tank 22.

[0014] The deposit removal device 38 is located below the grain pan 32. The deposit removal device 38 has a collision member 40 and a support member 42.

[0015] The collision member 40 is a member that can vibrate the grain pan 32 by colliding with the bottom surface of the grain pan 32 from below and impacting the grain pan 32. The collision member 40 is formed of a metal member such as iron and a resin that covers the metal member. Alternatively, the collision member 40 may be formed of resin. When the oscillating separator 30 is not oscillating, the collision member 40 and the grain pan 32 are spaced apart from each other.

[0016] The support member 42 is an elastic member 44, for example, a leaf spring. A first end 44a of the elastic member 44 is attached to the underside of the grain pan 32. A second end 44b of the elastic member 44 is attached to the collision member 40. The elastic member 44 is tilted downward at a predetermined angle with respect to the bottom surface of the grain pan 32, and extends diagonally downward and rearward from the first end 44a to the second end 44b. The elastic member 44 supports the collision member 40 away from the grain pan 32 when the oscillating sorting body 30 is not oscillating. The elastic member 44 also supports the collision member 40 so that the collision member 40 collides with the grain pan 32 due to the oscillation of the oscillating sorting body 30.

[0017] When the grain pan 32 moves upward during swinging, upward kinetic energy is applied to the collision member 40 via the elastic member 44. Then, the collision member 40 moves upward following the grain pan 32. Next, when the direction of movement of the grain pan 32 changes from upward to downward, downward kinetic energy is applied to the collision member 40 via the elastic member 44. However, the kinetic energy of the collision member 40 moving upward is greater than the kinetic energy applied via the elastic member 44. Therefore, the collision member 40 continues to move upward while deflecting the elastic member 44. As a result, the collision member 40 collides with the bottom surface of the grain pan 32. After the collision, the collision member 40 moves downward. When the collision member 40 collides with the grain pan 32, the grain pan 32 vibrates due to the impact. This vibration causes any deposits attached to the surface of the grain pan 32 to peel off and fall off.

[0018] As described above, the deposit removal device 38 operates using the power of the oscillating sorting body 30. Furthermore, the deposit removal device 38 uses inertia to collide with the grain pan 32, thereby vibrating the oscillating sorting body 30. Therefore, the deposit removal device 38 does not require its own power source. Furthermore, the deposit removal device 38 does not require operation control. Furthermore, since the deposit removal device 38 has a simple structure consisting of an elastic member 44 and a collision member 40, there is a high degree of freedom in layout, and deterioration is suppressed in environments with dust, vibration, etc. In other words, the deposit removal device 38 has high durability. Furthermore, since the deposit removal device 38 is positioned below the grain pan 32, it does not obstruct the flow of grain.

[0019] The deposit removal device 38 can eliminate the problem of grains, straw, and the like adhering to the oscillating sorting body 30. Therefore, crop harvesting can be performed using the head-feeding combine 10 even in situations where moisture is likely to adhere to grains, such as early morning when morning dew is likely to occur or at night when night dew is likely to occur. As a result, harvesting can be performed efficiently, and the cost of harvesting can be reduced.

[0020] [3. Deposit removal device 38 according to the second embodiment] 4 is a schematic diagram of the oscillating sorting body 30 and the deposit removal device 38 according to the second embodiment. Note that, among the components of the second embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

[0021] The support member 42 is a flexible linear member 46, such as a string or chain. A first end 46a of the linear member 46 is attached to the underside of the grain pan 32. A second end 46b of the linear member 46 is attached to the collision member 40. The linear member 46 suspends the collision member 40 from the grain pan 32. The linear member 46 supports the collision member 40 away from the grain pan 32 when the oscillating sorting body 30 is not oscillating. The linear member 46 also supports the collision member 40 so that the collision member 40 collides with the grain pan 32 due to the oscillation of the oscillating sorting body 30.

[0022] When the grain pan 32 moves upward during swinging, upward kinetic energy is applied to the collision member 40 via the linear member 46. As a result, the collision member 40 moves upward following the grain pan 32. Next, even if the direction of movement of the grain pan 32 changes from upward to downward, the collision member 40 continues to move upward. As a result, the collision member 40 collides with the bottom surface of the grain pan 32. After the collision, the collision member 40 moves downward. When the collision member 40 collides with the grain pan 32, the grain pan 32 vibrates due to the impact. This vibration causes any deposits adhering to the surface of the grain pan 32 to peel off from the surface and fall off.

[0023] The deposit removal device 38 according to the second embodiment has the same effects as the deposit removal device 38 according to the first embodiment.

[0024] [4. Deposit removal device 38 according to the third embodiment] 5 is a schematic diagram of a shaking sorting body 30 and an attachment removal device 38 according to the third embodiment. Note that, among the configurations of the third embodiment, the same configurations as those of the first and second embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted.

[0025] The support member 42 is a guide member 48 that guides the vertical movement of the collision member 40. The guide member 48 has a shaft 50 and a stopper 52. The shaft 50 extends vertically. A first end 50a of the shaft 50 is attached to the underside of the grain pan 32. A second end 50b of the shaft 50 is attached to the stopper 52. A through hole 54 is formed in the collision member 40. The diameter of the hole 54 is larger than the diameter of the shaft 50 and smaller than the diameter of the stopper 52. The shaft 50 is inserted into the hole 54 of the collision member 40 and guides the collision member 40 vertically. Meanwhile, the stopper 52 limits the downward movement position of the collision member 40. Therefore, the collision member 40 can move along the shaft 50 between the grain pan 32 and the stopper 52. The guide member 48 supports the collision member 40 away from the grain pan 32 when the oscillating sorter 30 is not oscillating. The guide member 48 also supports the collision member 40 so that the collision member 40 collides with the grain pan 32 due to the oscillation of the oscillating separator 30 .

[0026] When the grain pan 32 moves upward during swinging, upward kinetic energy is applied to the collision member 40 via the stopper 52. Then, the collision member 40 moves upward following the grain pan 32. Next, even if the direction of movement of the grain pan 32 changes from upward to downward, the collision member 40 continues to move upward along the shaft 50. As a result, the collision member 40 collides with the bottom surface of the grain pan 32. After the collision, the collision member 40 moves downward. When the collision member 40 collides with the grain pan 32, the grain pan 32 vibrates due to the impact. This vibration causes any deposits adhering to the surface of the grain pan 32 to peel off and fall off the surface.

[0027] The deposit removal device 38 according to the third embodiment has the same effects as the deposit removal device 38 according to the first and second embodiments.

[0028] [5. Deposit removal device 38 according to the fourth embodiment] 6 is a schematic diagram of a shaking sorting body 30 and an attachment removal device 38 according to a fourth embodiment. Note that, among the configurations of the fourth embodiment, the same configurations as those of the first to third embodiments are given the same reference numerals, and detailed description thereof will be omitted.

[0029] The support member 42 is an elastic member 56, such as a coil spring. A first end 56a of the elastic member 56 is attached to a fixed portion 58 located below the grain pan 32. The fixed portion 58 is a separate device that is not included in the frame of the head-feeding combine 10 or the oscillating sorting body 30. A second end 56b of the elastic member 56 is attached to the collision member 40. The elastic member 56 extends upward (straight up or diagonally upward) from the first end 56a to the second end 56b. The elastic member 56 supports the collision member 40 away from the grain pan 32 when the oscillating sorting body 30 is not oscillating. The elastic member 56 also supports the collision member 40 so that the collision member 40 collides with the grain pan 32 due to the oscillation of the oscillating sorting body 30.

[0030] When the grain pan 32 moves downward during swinging, the collision member 40 collides with the bottom surface of the grain pan 32. Upon collision, the collision member 40 begins to move downward while contracting or deflecting the elastic member 56. This prevents damage to the grain pan 32 due to the collision of the collision member 40. When the collision member 40 collides with the grain pan 32, the grain pan 32 vibrates due to the impact. This vibration causes any deposits adhering to the surface of the grain pan 32 to peel off from the surface and fall off.

[0031] The deposit removal device 38 according to the fourth embodiment has the same effects as the deposit removal devices 38 according to the first to third embodiments.

[0032] [6 Inventions Obtained from the Embodiments] The invention that can be understood from the above embodiment will be described below.

[0033] The deposit removal device (38) according to this embodiment of the present invention comprises a collision member (40) that collides with a oscillating sorting body (30) provided in the sorting section (20) of a head-feeding combine (10), and a support member (42) that supports the collision member so that the collision member collides with the oscillating sorting body due to the oscillation of the oscillating sorting body.

[0034] In the above aspect, the oscillating sorting body may oscillate in a vertical direction, and the support member may support the collision member below the oscillating sorting body, thereby causing the collision member to collide with the oscillating sorting body from below.

[0035] In the above aspect, the support member may be an elastic member (44) attached to the oscillating separator and extending obliquely downward from the oscillating separator toward the collision member.

[0036] In the above aspect, the support member may be a flexible linear member (46) attached to the oscillating separator and suspending the collision member from the oscillating separator.

[0037] In the above aspect, the support member may be a guide member (48) attached to the oscillating separator and configured to guide the collision member in vertical movement.

[0038] In the above aspect, the support member may be an elastic member (56) attached to a portion other than the oscillating separator and extending upward. [Explanation of symbols]

[0039] 10... Head-feeding combine 20... Sorting section 30... Shaking separator 38... Deposit removal device 40: Collision member 42: Support member 44, 56...Elastic members 46...Linear member 48...Guide member

Claims

1. A collision member that collides with a swinging sorting body provided in the sorting section of the head-feeding combine; a support member for supporting the collision member so that the collision member collides with the swinging sorting body due to the swinging of the swinging sorting body; The swinging sorting body swings in the vertical direction, The support member is an elastic member attached to the oscillating sorting body and extends diagonally downward from the oscillating sorting body toward the collision member, and supports the collision member below the oscillating sorting body, causing the collision member to collide with the oscillating sorting body from below.This is an adhesion removal device.

2. A collision member that collides with a swinging sorting body provided in a sorting section of a head-feeding combine; a support member for supporting the collision member so that the collision member collides with the swinging sorting body due to the swinging of the swinging sorting body; The swinging sorting body swings in the vertical direction, The support member is a flexible linear member attached to the oscillating sorting body and suspends the collision member from the oscillating sorting body, and supports the collision member below the oscillating sorting body, causing the collision member to collide with the oscillating sorting body from below.This is an adhesion removal device.

3. A collision member that collides with a swinging sorting body provided in a sorting section of a head-feeding combine, a support member for supporting the collision member so that the collision member collides with the swinging sorting body due to the swinging of the swinging sorting body; The swinging sorting body swings in the vertical direction, The support member is attached to the oscillating sorting body and is a guide member that guides the vertical movement of the collision member, and supports the collision member below the oscillating sorting body, causing the collision member to collide with the oscillating sorting body from below, in an adhesion removal device.

4. A collision member that collides with a swinging sorting body provided in a sorting section of a head-feeding combine, a support member for supporting the collision member so that the collision member collides with the swinging sorting body due to the swinging of the swinging sorting body; The swinging sorting body swings in the vertical direction, The support member is an elastic member attached to a part other than the oscillating sorting body and extends upward, and supports the collision member below the oscillating sorting body, causing the collision member to collide with the oscillating sorting body from below.This is an adhesion removal device.

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