JP2017093406A - combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine enabling a longitudinal conveyance device to adjust threshing depth appropriately by corresponding to a long grain culm and ensuring excellent threshing efficiency.SOLUTION: A longitudinal conveyance device is formed while extending in a front/rear direction, a front edge as a start edge side is supported pivotally by a reaping frame of a reaping part, a rear edge as a terminal edge is lifted/lowered between a position facing an inner upper part and a position facing an outer lower part on an outer side part of a grain culm supply device, thereby threshing depth of a grain culm can be adjusted. The rear edge of the longitudinal conveyance device arranged in a most outer-lower part and a front edge of the grain culm supply device are arranged in the same virtual straight line extending in a vertical direction in a side face view and extending in a right/left direction in a plane view.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a combine, and more particularly, to a combine that can be threshed at an appropriate handling depth when the harvested culm is long.

  Conventionally, there exists what was disclosed by patent document 1 as one form of a combine. That is, Patent Document 1 includes a cutting unit and a threshing unit, provided in the cutting unit, and configured to transfer a plurality of cereal grains joined together after cutting to the rear while changing the posture from a standing posture to a lying posture. And the combine provided which is provided in the side of a threshing part, and has a cereal supply apparatus supplied to a threshing part while inheriting a culm from a vertical conveying apparatus is disclosed.

  And the vertical conveyance apparatus can adjust the handling depth of a cereal by pivotingly supporting the front-end part which is a start end side to the cutting frame of a cutting part, and raising / lowering the rear-end part which is a termination | terminus side. In addition, the cereal supply device supplies and arranges the tip of the cedar posture in the budding posture in the threshing section, and can convey the cereal in the buoyancy posture from the front to the rear while holding the stock. .

JP 2007-244229 A

  However, the vertical conveying device can adjust the handling depth of cereals, but there is a limit to the adjustment range, and shallow handling is possible when the harvesting cereals are long rice cakes such as wheat and sake rice. In spite of being adjusted to the cutting side, the tip may be supplied to the deep handling side in the threshing part and deeply handled. When the tip is deeply handled in this way, there is a problem in that the load on the barrel of the threshing portion becomes large and a loss occurs in the driving force of the engine that drives the barrel. That is, there is a problem that the threshing efficiency is lowered.

  Then, an object of this invention is to provide the combine which can ensure a threshing efficiency favorably by making it possible to adjust a vertical conveyance apparatus appropriately corresponding to a long cocoon.

The invention described in claim 1
With a reaping part and a threshing part,
A vertical conveying device that is provided in the mowing unit and conveys the plurality of cereals merged after mowing to the rear while changing the posture from the standing posture to the lying posture,
It is provided on the side of the threshing unit, inherits the cereal from the vertical conveying device, supplies the tip of the side of the cereal in the threshing unit, and keeps the stock from the front while holding the stock A cereal supply device that conveys backward,
A combine comprising:
The vertical conveying device is formed by extending in the front-rear direction, and pivotally supports the front end portion, which is the starting end side, on the cutting frame of the cutting portion, and the rear end portion, which is the terminal end side, on the outer side of the grain feeder By raising and lowering between the position facing upward and the position facing downward outside, the handling depth of the cereal can be adjusted,
The rear end portion of the vertical conveying device arranged at the outermost lower side and the front end portion of the cereal supply device extend in the vertical direction in a side view and extend in the left-right direction in a plan view Placed on top.

  In the first aspect of the present invention, the longitudinal conveying device is formed by extending in the front-rear direction, and the front end portion, which is the start end side, is pivotally supported on the cutting frame of the cutting portion. By raising and lowering the rear end portion between the position facing the inner upper side and the position facing the lower outer side, the handling depth of the cereal can be adjusted, and the adjustment range can be set widely. Therefore, even when the grain cereal to be harvested is a long culm such as wheat or sake rice, the vertical conveying device can be adjusted to an appropriate handling depth appropriately corresponding to the long culm.

  In addition, the vertical conveying device extends the rear end portion of the vertical conveying device arranged on the outermost lower side and the front end portion of the cereal supply device in the vertical direction in a side view, and in the left-right direction in a plan view. Are arranged on the same virtual straight line extending in the middle, so that the middle part of the cereal grains in which the stock is sandwiched and conveyed by the vertical conveying apparatus is connected from the rear end part of the vertical conveying apparatus to the front end part of the cereal supply apparatus Delivered steadily. As a result, the culm conveyed from the reaping part to the threshing part is relayed efficiently without dropping off in the middle.

Invention of Claim 2 is invention of Claim 1, Comprising:
Between the rear end portion of the vertical conveyance device and the front end portion of the cereal supply device, a pinch guide stretched in the front-rear direction is arranged in a state orthogonal to the virtual left-right direction straight line in plan view,
The pinch guide cooperates with the feed chain provided in the wheat bran supply device to pinch the middle part of the rice bran from above and below.

  In the invention according to claim 2, the pinch guide stretched and formed in the front-rear direction between the rear end portion of the vertical conveying device and the front end portion of the grain supply device is orthogonal to the virtual left-right direction straight line in a plan view. Since the pinch guide is arranged in a state so as to pinch the middle part of the wheat straw from the up and down direction in cooperation with the feed chain provided in the wheat straw supply device, the pinch guide and the feed chain It is possible to secure a collaborative pinching function in the middle part of the cereal cereal. Accordingly, the cereal buds are firmly inherited from the reaping part to the threshing part and are transported, and do not fall off during the transportation. As a result, it is possible to improve the efficiency of conveying cereals.

Invention of Claim 3 is invention of Claim 1 or 2, Comprising:
The cereal supply device has a cereal supply body that supplies the tip of the culm into the threshing unit, a cereal supply auxiliary that relays to the cereal supply body, while inheriting the cereal that is transferred from the vertical conveying device, Comprising
While the grain supply auxiliary body is disposed on the front side of the grain supply main body, the front end part which is the start end side of the grain supply auxiliary body is lower front than the front end part which is the start end side of the grain supply main body Arranged.

  In the invention according to claim 3, the cereal supply device inherits the cereal supply body that supplies the tip of the culm into the threshing unit and the cereal that is transferred from the vertical conveying device, and relays it to the cereal supply body. And supplying the cereal supply auxiliary body to the front side of the cereal supply main body, and supplying the front end portion of the cereal supply auxiliary body to the cereal supply auxiliary body. Since it arrange | positions in the front lower part rather than the front-end part which is the start end side of a main body, a grain straw is smoothly transferred to a grain straw supply main body from a grain straw supply auxiliary body. As a result, the cereal inheritance function by the cereal supply device can be improved.

Invention of Claim 4 is invention of Claim 3, Comprising:
The cereal supply auxiliary body comprises an auxiliary chain whose upper part moves from front to back,
On the inner side of the cereal supply auxiliary body, an auxiliary transport device is provided that sandwiches and transports the tip of the cereal seed to the threshing section,
The auxiliary transport device has an endless belt-shaped auxiliary transport chain facing the outer side of the auxiliary transport chain that moves from the front to the rear, and the auxiliary transport body that rotates the front and rear in an inclined plane between the front and the rear. An auxiliary sandwiched body arranged
The outer part of the auxiliary conveyance chain that narrows the tip of the grain basket in cooperation with the auxiliary clamping body is arranged so that the rear side gradually approaches the upper part of the auxiliary chain from its front side.

  In the invention according to claim 4, the outer portion of the auxiliary conveyance chain that narrows the tip of the corn straw in cooperation with the auxiliary clamping body is gradually approached from the front side toward the upper side of the auxiliary chain. Since it is arranged to be synchronized, it is synchronized with the stock source of the grain straw that is transferred outward by the vertical conveying device, and the tip of the grain straw can be transferred outward by the auxiliary conveying device it can. Therefore, an excessive tensile load acts on the culm that is sandwiched and transported by the vertical transport device and the auxiliary transport device, so that the posture of transporting the culm is not disturbed, and the cereal is not damaged. Therefore, the cereal straw is conveyed to the threshing unit 4 in an appropriate conveyance posture. At this time, the middle part of the cereal that is sandwiched and conveyed by the vertical conveying device and the auxiliary conveying device from the front lower side to the rear upper side in an appropriate conveying posture is smoothly inherited by the auxiliary chain and is firmly attached to the cereal supply body. Relayed to (delivered). As a result, the relay performance from the vertical conveying device and the auxiliary conveying device to the cereal supply device can be improved.

  According to the present invention, it is possible to appropriately adjust the depth of handling of the vertical conveying device in correspondence with the long culm. Therefore, threshing efficiency can be ensured satisfactorily.

The left view of the combine which concerns on this embodiment. The left view of a cutting part. The enlarged left view of a vertical conveying apparatus. The enlarged plan view of a vertical conveying apparatus. Expansive front explanatory drawing of a vertical conveying apparatus. Expansive left side explanatory drawing of a vertical conveying apparatus. Expansive plane explanatory drawing of a vertical conveying apparatus.

  Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a combine A according to the present invention. First, the outline | summary about the whole structure of this combine A is demonstrated, and it explains in full detail about the structure of the cutting part 3 with which the combine A is equipped after that.

[Overview of overall structure of combine]
As shown in FIG. 1, the combine A includes a traveling machine body 1 having a pair of left and right traveling units 2 that can travel in the front-rear direction. In front of the traveling machine body 1, a harvesting part 3 that takes in while harvesting grain husks in a field is mounted so as to be adjustable up and down. In the upper left part of the traveling machine body 1, a threshing unit 4 for threshing the cereals harvested by the harvesting unit 3 with a handling cylinder 4 a is disposed. The left side of the threshing unit 4 is provided with a cereal supply device 50 that sandwiches the culm stock and conveys it to the rear while keeping the side of the cereal head supplied to the threshing unit 4. Yes. Behind the cereal supply device 50 is disposed a slaughter processing unit 5 for processing slaughter after the threshing process by the threshing unit 4. In the lower left part of the traveling machine body 1, a sorting unit 6 that sorts the processed product threshed by the threshing unit 4 is disposed. A driving unit 7 for operating each functional unit is disposed on the right front portion of the traveling machine body 1. A grain tank 8 that stores the grains subjected to the sorting process by the sorting unit 6 is disposed at the right rear part of the traveling machine body 1. A discharge auger 9 for discharging the grains stored in the grain tank 8 to the outside is disposed at the right rear end of the traveling machine body 1. In addition, a motor unit (not shown) made of an engine or the like is disposed below the operation unit 7, and the above-described functional units are linked and connected to the motor unit, and each function is driven by the driving force of the motor unit. The part is activated.

[Description of the configuration of the cutting part]
Next, the configuration of the cutting unit 3 will be described in detail with reference to FIGS. That is, the cutting unit 3 supports the weeding body 11, the pulling device 12, the scraping device 13, the cutting blade device 14, and the grain feeder 15 on the cutting support machine frame 10 as a cutting frame. Are configured. And power is transmitted to these apparatuses 12-15 from the motor | power_engine part mounted on the traveling body 1 so that each apparatus 12-15 operate | moves suitably.

  As shown in FIGS. 2 to 7, the reaping support machine frame 10 includes first to sixth transmission cases 16 to 21 having a support function and a transmission function, left and right extending connection pieces 22 extending in the left-right direction, and left-right extension. A plurality of weed body support pieces 23 that extend forward from the connecting piece 22 and support the plurality of weed bodies 11, and extend between the first transmission case 16 and the fifth transmission case 20 by extending in the front-rear direction. And a longitudinally extending connecting piece 24.

  The first transmission case 16 is formed in a pipe shape extending in the left-right direction, and pivots around an axis in the left-right direction at the upper end portion of the cutting-part pivot support body 30 standing on the front end portion of the traveling machine body 1. I support. A first transmission shaft (not shown) is inserted into the first transmission case 16. And the 1st transmission shaft is interlockingly connected with the motor | power_engine part provided in the traveling body 1 via the power transmission mechanism.

  The second transmission case 17 is formed in a pipe shape extending in the front-rear direction, and a base end portion (rear end portion) is connected to the right end portion of the first transmission case 16 in an orthogonal state. The second transmission case 17 is arranged in a downwardly inclined manner toward the front lower side. An elevating cylinder 31 is interposed between the middle part of the second transmission case 17 and the front end part of the traveling machine body 1. Then, in conjunction with the expansion and contraction operation of the elevating cylinder 31, the cutting unit 3 is rotated up and down via the second transmission case 17. A second transmission shaft (not shown) is inserted into the second transmission case 17, and the base end portion of the second transmission shaft is interlocked with the first transmission shaft. Further, in the middle of the second transmission case 17, a front branch transmission case 25 and a rear branch transmission case 26 for transmitting power to the cereal conveyor 15 are branched upward with a space in the front-rear direction. Formed.

  The third transmission case 18 is formed in a pipe shape extending in the left-right direction, and the central portion is connected to the front end portion (front end portion) of the second transmission case 17 in an orthogonal state. A third transmission shaft (not shown) is inserted into the third transmission case 18, and a midway portion of the third transmission shaft is interlocked and connected to the tip of the second transmission shaft.

  The fourth transmission case 19 is formed in a pipe shape extending in the vertical direction, and the lower end portion is connected to the left end portion of the third transmission case 18 in an orthogonal state. A fourth transmission shaft (not shown) is inserted into the fourth transmission case 19 and the lower end portion of the fourth transmission shaft is interlocked and connected to the left end portion of the third transmission shaft.

  The fifth transmission case 20 is formed in a pipe shape extending in the left-right direction, and the left end is connected to the upper end of the fourth transmission case 19 in an orthogonal state. A fifth transmission shaft (not shown) is inserted into the fifth transmission case 20 and the left end portion of the fifth transmission shaft is interlocked and connected to the upper end portion of the fourth transmission shaft.

  The sixth transmission case 21 is formed in a pipe shape extending in the vertical direction, and the upper end portions of the plurality of sixth transmission cases 21 are orthogonal to each other at the lower part of the peripheral surface of the fifth transmission case 20 with a space in the left-right direction. It is connected to communication. A sixth transmission shaft (not shown) is inserted into each sixth transmission case 21, and the upper end portion of each sixth transmission shaft is linked to the fifth transmission shaft.

  The left and right extending connecting piece 22 is formed in a pipe shape having a square cross section extending in the left and right direction, and extends horizontally between stays 38 and 38 protruding forward from the left and right end portions of the third transmission case 18. A base end portion (rear end portion) of a plurality of herbaceous body support pieces 23 extending in the front-rear direction is attached to the left-right extended connecting piece 22 in a parallel state with an interval in the left-right direction. The weed body 11 is attached to the front end portion (front end portion) of each weed body support piece 23. Each weeding body 11 is formed to taper forward, so that the cereals in the field are weeded for each line.

  The pulling device 12 has a pulling case 32 interposed between the lower end portion of each sixth transmission case 21 facing each other in the vertical direction and each weed body support piece 23 so as to be inclined in the front, rear, and rear heights. A plurality of raising cases 32 are provided side by side in the direction. Each pulling case 32 is formed in a vertically long rectangular shape that is flat in the front-rear direction and extends in the up-down direction, and supports a chain with a tine (not shown) so as to be able to rotate and drive so as to cause cereal straw after weeding. Yes.

  The scraping device 13 is arranged at the lower rear portion of the pulling device 12 in a slanted shape such as a front, a rear, and a high height, and is configured to scrape the stock of the culm caused by the pulling device 12.

  As shown in FIG. 2, the cutting blade device 14 is arranged in a slanted shape with a front, a rear, and a rear height below the scraping device 13 and in front of the left and right extending connecting pieces 22. The cutting blade device 14 is configured in a clipper shape having a cutting blade 37 that reciprocates in the left-right direction, and the cutting blade side of the plurality of cereals scraped by the scraping device 13 is cut into the cutting blade side. 37 is used for cutting.

  As shown in FIG. 2, the cereal conveying device 15 extends from the upper side to the rear upper side of the scraping device 13 and the cutting blade device 14, and includes a lower conveying device 40, an upper conveying device 41, a vertical conveying device 42, and a tip conveying device 43. An auxiliary conveyance device 44 is arranged. Then, the cereals whose stock has been cut by the cutting blade device 14 are conveyed toward the threshing unit 4.

  The lower transport device 40 includes a plurality of lower transport bodies 45, and combines the harvested cereal stocks so as to be nipped and transported to the vertical transport device.

  The upper transport device 41 includes a plurality of upper transport bodies 46 so as to engage and transport the tips of the cereals that are nipped and transported by the lower transport device 40. The upper transport device 41 is disposed above the lower transport device 40 in an inclined shape with front, rear, and rear heights, and extends from near the upper portion of the scraping device 13 toward the rear.

  The vertical conveying device 42 is arranged in a slanted shape with a front, rear, and rear height behind the lower conveying device 40, and extends from the vicinity of the conveying terminal portion of the lower conveying device 40 toward the left diagonally rear. The vertical conveying device 42 sandwiches the stocks of cereal grains for a plurality of strips inherited from the conveying terminal part of the lower carrier 45 and conveys the cereals backward while changing the posture from the standing posture to the lying posture, The middle part of the cereal is delivered to the cereal supply device 50.

  The tip transport device 43 is configured to latch and transport the tips of the cereals that are transported by the lower transport body 45 and the vertical transport device 42. The tip transfer device 43 is arranged below the rear portion of the upper transfer body 46 and extends rearward from the vicinity of the intermediate transfer portion of the upper transfer body 46. Then, the tip transport device 43 is configured to lock and transport the tips of the cereals for a plurality of strips to the auxiliary transport device 44.

  The auxiliary conveyance device 44 is arranged below the rear portion of the tip conveyance device 43 and extends backward from the vicinity of the conveyance end portion of the tip conveyance device 43. Then, the auxiliary conveyance device 44 sandwiches and conveys the tips of the cereals for a plurality of lines inherited from the conveyance terminal portion of the tip conveyance device 43 to the threshing unit 4.

  The cereal supply device 50 is provided on the side of the threshing unit 4, and the grain is supplied from the auxiliary transport device 44 that sandwiches and transports the tip, and from the vertical transport device 42 that sandwiches and transports the stock (in the case of Nagatoro K). In addition to inheriting the cocoon (the long rice cake K), the tip of the cereal cocoon in a lying position is supplied into the threshing unit 4. Then, the cereal supply device 50 is configured to convey the cereals in the lying posture from the front to the rear while holding the stock (or midway part) of the cereal (long culm K).

  In the reaping part 3 configured as described above, each functional part is driven by the power from the prime mover during the reaping operation, and the cereals planted in the field are harvested and taken in. That is, in the cutting part 3, the cereals in the field are weeded so as to be separated by the weeding body 11 for each line. Then, the weed grain culm is caused by the pulling device 12. Subsequently, the stocker side of the culm caused by the pulling device 12 is scraped by the scraping device 13, and the stocker side of the squeezed culm is cut (cut) by the cutting blade device 14. The cereal grains after cutting are merged on the way by the cereal conveying device 15 and converged together, and then conveyed toward the threshing unit 4.

  Next, a characteristic configuration of the present embodiment configured as described above will be described in detail with reference to FIGS.

[Description of Characteristic Configuration of this Embodiment]
As shown in FIGS. 3 to 5, the vertical conveyance device 42 of the present embodiment is elongated in the front-rear direction so as to be compatible with the long rib K in the longitudinal direction so as to correspond to the long rod K. Forming. The vertical conveying device 42 is detachably pivoted at the middle of the second transmission case 17 that forms a part of the cutting support machine frame 10 of the cutting unit, so that the front end can be attached and detached. It can be freely replaced with a short vertical conveyance device. In other words, the vertical conveying device 42 of the present embodiment specially configured so as to be able to appropriately cope with the long sheet K, and the short vertical conveying unit specifically configured to be able to appropriately cope with the short sheet. The device can be appropriately replaced in the middle of the second transmission case 17.

  And as shown in FIGS. 5-7, in the outer side of the grain supply apparatus 50, the vertical conveying apparatus 42 has the rear end part which is a termination | terminus side in the position (a) which faced inner side upper direction, and outer lower side. The vertical conveying device 42 can be adjusted to a handling depth corresponding to the length of the long ridge K by raising and lowering the position (b). Here, at the position (a) facing inward and upward, the rear end portion of the vertical conveying device 42 is closest to the front end portion of the cereal supply device 50, and at the position (b) facing outward and downward. The rear end portion of the vertical conveying device 42 is farthest from the front end portion of the cereal supply device 50. As described above, the handling depth of the eaves K can be adjusted between the position (a) directed inward and upward and the position (b) directed downward and outward, and the adjustment range can be set widely. For this reason, even when the harvested cereal rice cake is a long rice cake K such as wheat or sake rice, the vertical conveying device 42 is adjusted to an appropriate handling depth appropriately corresponding to the rice cake length of the long rice cake K. Can do.

  And the rear-end part of the vertical conveying apparatus 42 arrange | positioned in the outermost lower part and the front-end part of the grain supply apparatus 50 are up-down direction (vertical direction) by side view, as shown in FIG.6 and FIG.7. It extends and is overlapped (polymerized) on the same virtual straight line P extending in the left-right direction (left-right width direction of the aircraft) in plan view. Therefore, the midway portion of the long basket K in which the stock is sandwiched and conveyed by the vertical conveying device 42 is steadily delivered from the rear end portion of the vertical conveying device 42 to the front end portion of the cereal supply device 50. As a result, the long rice cake K conveyed from the reaping unit 3 to the threshing unit 4 is efficiently relayed without dropping off in the middle.

  As shown in FIGS. 6 and 7, a pinch guide 60 stretched in the front-rear direction is seen between the rear end portion of the vertical conveying device 42 and the front end portion of the grain supply device 50 in a plan view. They are arranged orthogonal to the virtual left-right direction straight line. And the pinch guide 60 is made to pinch the midway part of a grain basket from an up-down direction in cooperation with the feed chain 93 which the grain basket supply apparatus 50 comprises. Therefore, it is possible to ensure a cooperative pinching function in the middle portion of the culm by the pinching guide 60 and the feed chain 93. Accordingly, the cereal straw is firmly inherited from the reaping unit 3 to the threshing unit 4 and is transported, and does not fall off while being transported. As a result, it is possible to improve the efficiency of conveying cereals.

  As shown in FIGS. 6 and 7, the cereal supply device 50 inherits the cereal supply body 51 that supplies the tip of the culm into the threshing unit 4 and the cereal that is transferred from the vertical conveying device 42. , A kernel supply auxiliary body 52 that relays to the kernel supply main body 51. The cereal supply auxiliary body 52 is disposed on the front side of the cereal supply body 51. The front end portion, which is the starting end side of the cereal supply auxiliary body 52, is disposed in the lower front side than the front end portion, which is the starting end side of the cereal supply main body 51. Therefore, the cereals are smoothly transferred from the cereal supply auxiliary body 52 to the cereal supply body 51. As a result, it is possible to improve the cereal inheritance function by the cereal supply device 50.

  As shown in FIGS. 6 and 7, the grain supply auxiliary body 52 includes an auxiliary chain 99 whose upper part moves from the front to the rear. The upper part of the auxiliary chain 99 is disposed at a lower position than the upper part of the feed chain 93 that moves from the front to the rear in a side view. Therefore, the auxiliary chain 99 can smoothly transfer the cereals conveyed from the front lower side to the rear upper side, and can be relayed (passed) to the feed chain 93 steadily. As a result, the grain supply performance of the grain supply apparatus can be improved.

  As shown in FIG. 5 to FIG. 7, an auxiliary transport device 44 that sandwiches and transports the tip of the culm (long culm K) to the threshing unit 4 is disposed on the inner side of the cereal supply auxiliary body 52. The auxiliary conveyance device 44 includes an auxiliary conveyance main body 112 that rotates the endless belt-shaped auxiliary conveyance chain 120 within an inclined surface that is front, rear, and rear, and an outer portion 122 of the auxiliary conveyance chain 120 that moves from the front to the rear. And an auxiliary sandwiching body 110 arranged to face each other from the outside. The auxiliary transport body 112 includes a front driven sprocket 114, an outer driven sprocket 116, an inner drive sprocket 118, an auxiliary transport chain 120 wound between these three sprockets 114 to 118, and an auxiliary transport chain 120. And a sliding guide piece 124 that slides and guides the outer portion 122. Here, the outer portion 122 of the auxiliary transport chain 120 is a portion of the auxiliary transport chain 120 located between the front driven sprocket 114 and the outer driven sprocket 116 and cooperates with the auxiliary clamping body 110. This is the part that pinches and conveys the tip of the cereal meal (long rice cake K). The inner drive sprocket 118 is interlocked with the first transmission shaft built in the first transmission case 16.

  The sliding guide piece 124 is formed so as to slide and guide the outer side portion 122 of the auxiliary conveyance chain 120 that narrows the tip of the corn straw in cooperation with the auxiliary clamping body 110. The rear side is arranged so as to gradually approach the upper side 99a of the auxiliary chain 99 from the front side. Therefore, in synchronization with the stock of the culm (long culm K) that is transferred outward by the vertical transport device 42, the tip of the culm (long culm K) is directed outward by the auxiliary transport device 44. Can be transported. Therefore, an excessive tensile load is not applied to the cereal straw (long ridge K) sandwiched and conveyed by the vertical conveying device 42 and the auxiliary conveying device 44. Therefore, the conveying posture of the cereal basket (long culm K) is not disturbed, and the cereal culm (long culm K) is not damaged. It is conveyed to the section 4. At this time, the midway part of the cereal rice cake (long rice cake K) sandwiched and transported from the front lower side to the rear upper side by the vertical transport device 42 and the auxiliary transport device 44 is formed by the upper portion 99a of the auxiliary chain 99. It is smoothly passed on and firmly relayed (delivered) to the upper portion 93a of the feed chain 93. As a result, the relay performance from the vertical conveyance device 42 and the auxiliary conveyance device 44 to the cereal supply device 50 can be improved.

  The characteristic configuration described above will be described more specifically with reference to FIGS. That is, the vertical conveying device 42 includes a chain vertical conveying body 70 formed by extending in the front-rear direction, a vertical conveying clamping body 71 that cooperates with the chain vertical conveying body 70 to pinch the stock of cereal grains, In order to support the vertical conveyance clamp body 71, a clamp body support piece 72 extended from the chain vertical conveyance body 70 is provided. The chain vertical conveyance body 70 is configured so that a front drive sprocket 75 and a rear driven sprocket 76 are vertically moved between a front end portion and a rear end portion of a pair of upper and lower support plates 73 and 74 formed by extending in the front-rear direction. Attached so as to be rotatable around the axis, a vertical transfer chain 77 is wound between the sprockets 75 and 76. The sandwiching body support piece 72 is disposed so as to face the vertical conveying chain 77 from the side, and the biasing piece 78 supports the sandwiching piece 78 on the vertical conveying chain 77 side in an elastically pressed state. It comprises a support piece 79.

  As shown in FIG. 5, a rear branch transmission case 26 is provided in the middle part of the second transmission case 17, and the rear branch transmission case 26 is directed upward from the middle part of the second transmission case 17. The first branch transmission case 80 is formed by projecting, and the second branch transmission case 81 is formed by projecting from the middle part of the second transmission case 17 toward the front left upper side. The first branch transmission case 80 is interlocked with the rear end portion of the lower transport device 40. The second branch transmission case 81 is interlocked with the front drive sprocket 75 disposed at the front end of the chain vertical conveyance body 70. In addition, the second branch transmission case 81 pivotally supports the front end portion of the chain vertical transport body 70 so that the rear end portion of the chain vertical transport body 70 can be raised and lowered.

  A handling depth adjusting drive case 82 is disposed at the rear (upper part) of the second transmission case 17. The handling depth adjustment drive case 82 surrounds the front portion of the handling depth adjustment drive motor M, and the handling depth adjustment drive motor M projects the drive shaft 83 from the ceiling wall 84. A base end portion of the lifting / lowering operation arm 85 is attached to the drive shaft 83 of the handling depth adjusting drive motor M, and a distal end portion of the lifting / lowering operation arm 85 and a middle portion of the support plate 74 below the chain vertical conveyance body 70 are attached. An interlocking rod 87 extending in the vertical direction is interposed between the connecting piece 86 projecting from the vertical direction. The position of the rear end portion 42a of the vertical conveying device 42 directed upward inward through the interlocking rod 87 by swinging the lifting / lowering operation arm 85 attached to the drive shaft 83 by the handling depth adjusting drive motor. It can be moved up and down between (a) and a position (b) directed outward and downward. Here, at the position (a) facing inward and upward, the rear end portion 42a of the vertical conveying device 42 is closest to the front end portion of the cereal supply auxiliary body 52, and is also positioned at the outer downward direction (b) ), The rear end portion of the vertical conveying device 42 is farthest from the front end portion of the grain supply auxiliary body 52. And the rear-end part 42a of the vertical conveying apparatus 42 and the front-end part 52a of the grain supply auxiliary body 52 most spaced apart are arrange | positioned in the state overlapped on the same virtual straight line P (superposition | polymerization). I try to do it. Accordingly, the rear end portion 42a of the vertical conveying device 42 is always the same virtual straight line even if the handling depth is adjusted between the position (a) directed upward on the inside and the position (b) directed downward on the outside. It is arranged in an overlapped (polymerized) state on P.

  The handling depth adjustment drive motor M is driven and controlled by a control means (not shown) based on the detection result of the tip of the culm by the handling depth sensor 88 disposed above the auxiliary conveyance device 44. It is composed. Then, the rear end portion 42a of the vertical conveying device 42 is appropriately raised and lowered by the drive control of the handling depth adjusting drive motor M, and the stock of the long basket K conveyed while being sandwiched by the vertical conveying device 42 is lowered to the left. The tip of the long culm K is appropriately detected by the handling depth sensor 88 by moving in the direction of rightward inclination. As a result, the treatment depth of the long culm K is adjusted appropriately, and the tip of the long culm K is efficiently threshed by the treatment drum 4 a built in the threshing unit 4.

  The cereal supply device 50 includes a cereal supply body 51, a cereal supply body 90 that cooperates with the cereal supply body 51, and sandwiches the stock of the cereal supply, and the front part of the cereal supply body 51. And a culm guide 60 for squeezing the stock of cereals and a cereal supply auxiliary body 52 extending forward from the front part of the cereal supply body 51.

  As shown in FIG. 3 and FIG. 6, the cereal supply body 51 includes a front driven sprocket 91 that is rotatably arranged around a horizontal axis in the front portion of the traveling machine body 1 and a rear part of the traveling machine body 1. A rear driven sprocket (not shown) that is rotatably arranged around the axis in the left-right direction, a driving sprocket 92 that is arranged to be rotatable around the axis in the left-right direction at the front lower part of the traveling machine body 1, And a feed chain 93 wound between the sprockets 91 and 92. In addition, the cereal supply body 51 is configured such that the upper portion 93 a of the feed chain 93 located between the front and rear driven sprockets 91 moves rearward in conjunction with the rotation of the driving sprocket 92. Reference numeral 94 denotes a guide rotator. Reference numeral 95 shown in FIG. 1 denotes a cereal supply body cover.

  As shown in FIGS. 1 and 2, the cereal supply pinching body 90 includes a supply pinch piece 100 arranged so as to face the upper portion of the feed chain 93 from above, and the supply pinch piece 100 as a feed chain. 93 and a supply urging support piece 102 which is supported in an elastic pressing urging state on the upper portion side of 93.

  As shown in FIGS. 3 to 7, the pinching guide 60 is formed in a rod shape that extends in the front-rear direction. Further, a front end portion of the support frame 104 formed by extending in the front-rear direction is attached to the middle portion of the fourth transmission case 19, and the rear end portion of the support frame 104 is disposed on the left side of the auxiliary transport device 44. Yes. A hanging bracket 106 is suspended from the rear end of the support frame 104, and the front end 61 of the pinching guide 60 is pivotally supported about the axis in the left-right direction via a pivot bracket 108 at the lower end of the hanging bracket 106. ing. The rear end portion 62 of the pinch guide 60 is placed on the front portion of the upper portion of the feed chain 93. That is, the rear end portion 62 of the pinch guide 60 can be rotated downward by its own weight around the front end portion 61 of the pinch guide 60, and is pressed onto the front portion of the upper side portion 93a of the feed chain 93. It is placed. Reference numeral 63 denotes a leaf spring piece formed by being bent halfway. The leaf spring piece 63 has a front end portion 64 attached to the rear end portion of the support frame 104 and a rear end portion 65 attached to the rear end portion 62 of the pinching guide 60. Is abutted from above, and the rear end portion 62 of the pinching guide 60 is elastically biased from above. Therefore, the cereals conveyed to the front part of the upper part 93a of the feed chain 93 are clamped in a state of being pressed by the rear end part 62 of the clamping guide 60 elastically biased from above by the leaf spring piece 63. , The lying posture of the cereal is ensured well. Reference numeral 110 denotes an auxiliary clamp body of the auxiliary conveyance device 44, and the auxiliary clamp body 110 is supported by the rear end portion of the support frame 104 and cooperates with the auxiliary conveyance body 112 of the auxiliary conveyance device 44 in the grain. It is configured to pinch the tip of the cocoon.

  The grain supply auxiliary body 52 is attached to a front end portion of a sprocket support plate 96 that is formed in a longitudinal shape in the front-rear direction, while an auxiliary front driven sprocket 97 is rotatably mounted around an axis in the left-right direction, while the rear end portion of the sprocket support plate 96 A drive sprocket 98 is rotatably mounted around the axis in the left-right direction, and an auxiliary chain 99 is wound between the two sprockets 97,98. The driving sprocket 98 is linked to the front driven sprocket 91 via a linkage belt (not shown). Further, the cereal supply auxiliary body 52 is disposed adjacent to the right side of the front portion of the feed chain 93, and the front half of the cereal supply auxiliary body 52 is more forward than the front end portion 93b of the feed chain 93. In addition, the rear half portion of the grain supply auxiliary body 52 is arranged so as to overlap with the front end portion 93b of the feed chain 93 in the left-right direction. Moreover, the grain supply auxiliary body 52 is arranged such that the upper side portion 99a of the auxiliary chain 99 is positioned slightly lower than the upper side portion 93a of the feed chain 93. Furthermore, the grain supply auxiliary body 52 is disposed in a state where the front end portion 99a of the auxiliary chain 99 overlaps (polymerizes) on the same virtual straight line P in a side view and a plan view. And, as described above, the rear end portion 42a of the vertical conveying device 42 is always adjusted even when the handling depth is adjusted between the position (a) directed inward and upward and the position (b) directed outward and downward. It arrange | positions on the same virtual straight line P in the state overlapped (superposition | polymerization). Therefore, while the stock is sandwiched by the vertical transport device 42, the middle portion of the long basket K that is transported in a state in which the tip is sandwiched by the auxiliary transport device 44, the upper portion is rotated and moved backward. It is steadily relayed by the auxiliary chain 99 of the auxiliary body 52 and is firmly inherited by the feed chain 93 of the cereal supply body 51 whose upper part is rotated and moved backward. At this time, the auxiliary chain 99 is rotated in conjunction with the feed chain 93. As a result, the relay efficiency from the rice husk conveying device 15 to the handling cylinder 4a by the auxiliary chain 99 and the feed chain 93 is improved.

A Combine K Klong P Virtual straight line 42 Longitudinal conveying device 50 Grain supply device 51 Grain supply main body 52 Grain supply auxiliary 93 Feed chain 99 Auxiliary chain

Claims (4)

With a reaping part and a threshing part,
A vertical conveying device that is provided in the mowing unit and conveys the plurality of cereals merged after mowing to the rear while changing the posture from the standing posture to the lying posture,
It is provided on the side of the threshing unit, inherits the cereal from the vertical conveying device, supplies the tip of the side of the cereal in the threshing unit, and keeps the stock from the front while holding the stock A cereal supply device that conveys backward,
A combine comprising:
The vertical conveying device is formed by extending in the front-rear direction, and pivotally supports the front end portion, which is the starting end side, on the cutting frame of the cutting portion, and the rear end portion, which is the terminal end side, on the outer side of the grain feeder By raising and lowering between the position facing upward and the position facing downward outside, the handling depth of the cereal can be adjusted,
The rear end portion of the vertical conveying device arranged at the outermost lower side and the front end portion of the cereal supply device extend in the vertical direction in a side view and extend in the left-right direction in a plan view A combine characterized by being placed above. Between the rear end portion of the vertical conveyance device and the front end portion of the cereal supply device, a pinch guide stretched in the front-rear direction is arranged in a state orthogonal to the virtual left-right direction straight line in plan view,
The combiner according to claim 1, wherein the pinch guide is configured to pinch a midway part of the pestle from above and below in cooperation with a feed chain provided in the pestle supply device. The cereal supply device has a cereal supply body that supplies the tip of the culm into the threshing unit, a cereal supply auxiliary that relays to the cereal supply body, while inheriting the cereal that is transferred from the vertical conveying device, Comprising
While the grain supply auxiliary body is disposed on the front side of the grain supply main body, the front end part which is the start end side of the grain supply auxiliary body is lower front than the front end part which is the start end side of the grain supply main body The combine according to claim 1 or 2, wherein The cereal supply auxiliary body comprises an auxiliary chain whose upper part moves from front to back,
On the inner side of the cereal supply auxiliary body, an auxiliary transport device is provided that sandwiches and transports the tip of the cereal seed to the threshing section,
The auxiliary transport device has an endless belt-shaped auxiliary transport chain facing the outer side of the auxiliary transport chain that moves from the front to the rear, and the auxiliary transport body that rotates the front and rear in an inclined plane between the front and the rear. An auxiliary sandwiched body arranged
The outer part of the auxiliary conveying chain that narrows the tip of the grain basket in cooperation with the auxiliary clamping body is arranged so that the rear side is gradually approached from the front side toward the upper side of the auxiliary chain. The combine according to claim 3.

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