JP5200445B2 - Combine - Google Patents

Description

The present invention relates to a combine equipped with a waste transporting device for carrying out the waste after harvesting and threshing.

Conventionally, as shown in Patent Document 1, for example, as a waste transporting device that transports waste after threshing, the transport start end side of this waste transport chain is opposed to the lower side with the end side as a rotation fulcrum. There is disclosed a technique for removing the clogging by rotating up and down with respect to the clamping rod and releasing the locking means when the drainage is clogged and lifting the conveying chain upward.
JP 2005-87139 A

In the above-described conventional configuration, when the waste during transportation is clogged, the waste transportation chain is lifted upward to remove the clogged waste, but the vertical rotation of the waste transportation chain is locked and Since the lock means for unlocking is operated in conjunction with the opening / closing operation of the barrel cover, there is a problem that the operation is troublesome, troublesome work is required to solve the trouble, and work efficiency is lowered.

The present invention makes it possible to easily lift and lower the waste transport chain by releasing the restricting means without opening the handling cylinder cover, and easily remove the jammed waste when the waste transport section is jammed. It is possible to solve the above problems.

The present invention has taken the following technical means in order to solve the above-described problems.
That is, the invention according to claim 1 is provided with a cutting part (3) at the front part of the vehicle body (2) provided with the crawler (1), and a threshing device (4) at the rear part of the vehicle body (2), the straw discharge conveying device for conveying towards the rear of the straw discharge after threshing behind the threshing chamber (8) of the threshing device (4) (14) is provided, the exhaust straw conveying device (14) is Cheng rail (15) includes opposing Kyoji杆(17) on the lower side of the driven straw discharge conveyor chain (16) and the exhaust straw conveying chain (16) is wound chain drive sprocket (27) along the straw discharge The stock side transport device (14a) for holding and transporting the stock side of the stock, and the tip side transmission shaft (29) and the tip side from the driven sprocket (28) provided in the rear part of the chain drive sprocket (27) Conveying chain with lug (19) linked via drive sprocket (30) Straw Discharge transmission shaft constructed from a tip side transfer device for transferring engaged the tip side of the straw (14b), said chain drive sprocket (27), intersect in a plan view with the tip-side transfer device (14b) In preparation for the tip of (26), it is mounted on the middle part of the chain rail (15) , and the start end side of the waste transport chain (16) is vertically moved with the shaft core (P) of the chain drive sprocket (27) as a fulcrum. A restriction state that restricts the upward rotation of the waste transport chain (16) between the exhaust support frame (34) on the machine body side and the chain rail (15) and a restriction that allows the upward rotation. The combine is provided with ascending rotation restricting means (35) that can be switched to the released state.

The waste after threshing is handed over from the end of the feed chain to the start of the waste conveying device (14). After the takeover, the waste is sandwiched and conveyed by the lower clamping rod (17) and the upper waste conveying chain (16), sent from the end to the waste cutter (C), and cut.

When removing waste clogged, wound swarf, weeds, etc. clogged to the waste transporting device (14), an ascending rotation restricting means (35) for restricting the upward rotation of the waste transporting chain (16) is provided. By switching to the unregulated state and turning the waste transport chain (16) upward, clogged waste can be removed, or the wound waste, weeds, etc. can be removed.

Further, the ascending rotation restricting means (35) is provided between the body-side evacuation support frame (34) and the chain rail (15). It is possible to easily remove the clogged waste by lifting the waste transport chain (16) without opening the barrel cover (10).

The invention according to claim 2 is provided with a handle (41) for rotating the waste transport chain (16) up and down on the start end side of the waste transport device (14), and after the threshing by the handle (41). The combine according to claim 1, wherein the waste is handed over from the feed chain (11) to the start end of the waste conveying device (14) .

When the start end side of the waste transport chain (16) is rotated upward and downward, the operator holds the handle (41) provided on the start end side so that the waste transport chain (16) is moved upward. Or lift it down to its original position.

And since the waste handed over from the terminal end of the feed chain (11) to the start end of the waste transport chain (16) is handed over by the handle (41) which also serves as a hand-over guide, the start end of the waste transport chain (16). It is possible to carry out the removal of the waste.
According to a third aspect of the present invention, the bevel gear case (24) that pivotally supports the base portion of the rejection transmission shaft (26) is mounted on the handling cylinder (7) in the handling chamber (8) in plan view. It arrange | positions on the opposite side to the side in which the said feed chain (11) exists with respect to the handling cylinder axis | shaft (13), The feed chain (11) is the front end part of the said tip side conveying apparatus (14b) in the front-back direction. It is substantially the same position as the front end portion of the stocker-side transport device (14a) that overlaps the rear end portion in plan view, and in the left-right direction, the handling cylinder shaft (13) and the stocker-side transport device (14a) The combine according to claim 1 or 2 arranged at a position between the front end portion .

According to the first aspect of the invention, the straw discharge support frame rises rotation restricting means (35) to the machine body to regulate the vertical rotation of the straw discharge conveyor chain (16) (34) and chain rail (15) Therefore, it is possible to easily remove the clogged waste by lifting the waste transport chain (16) without opening the handling cylinder cover by the restriction release operation of the ascending rotation restricting means (35). The efficiency of combine work can be improved.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the squeeze transport chain (16) is turned up and down on the start end side of the sewage transport device (14). Since the handle (41) is provided, the vertical transfer chain (16) can be easily rotated up and down.
Furthermore, since the handle (41) also serves as a takeover guide for the waste, the takeover guide action of the waste from the feed chain (11) to the waste transport chain (16) is smoothly performed as expected, and the configuration is simplified. It can be implemented at low cost.

According to the invention described in claim 3, in addition to the effects of the invention described in claim 1 or 2, an open space is formed in the takeover portion of the feed chain (11) and the waste transporting device (14). can do.

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, the structure of the combine shown in FIG. 1 will be described.
On the vehicle body 2 having the traveling crawler 1, a mowing unit 3 that can be moved up and down is mounted at the front, and a threshing device (threshing unit) 4 is mounted at the rear. A driving unit including an operation box 5 and a driver's seat 6 is installed on the lateral side of the mowing unit 3, and a Glen tank G is mounted behind the driving unit.

Next, the configuration of the threshing device 4 will be described. A receiving net 9 is stretched along the lower half periphery of the handling chamber 8 in which the handling cylinder 7 is pivoted, and the threshing grains are allowed to leak and are subjected to rocking sorting by a rocking sorting device below. A handling cylinder cover 10 that covers the upper part of the handling chamber 8 is configured to be swingable and openable about an axis parallel to the axial direction of the handling cylinder 13 .

Off I The扱口side of threshing chamber 8 to nip and convey the culms - Dochen 11 Kyojire contraposed to the upper - is disposed Le 11a. This clamping rail 11a is mounted on the barrel cover 9 side and swings and opens together with the cover.

Further, behind the handling chamber 8, there is disposed a waste transporting device 14 that sandwiches two places on the stock side and the tip side of the waste after threshing and transports it backward, and is sent from the feed chain 11. The incoming waste is received and discharged to the waste cutter C.

The stocker-side transport device 14a includes a waste transporting chain 16 that is wound along the chain rail 15 and a gripping bar 17 that is provided on the lower side of the stocker side transporting device 14a. Yes, the tip side transport device 14b is composed of a transport chain 19 with a transport lug 18 and a guide rod 20, and is configured to latch and transport while guiding the tip side of the waste.

As a drive system for driving the waste transporting device 14 from the handling cylinder shaft 13 protruding rearward from the rear plate 12 of the handling chamber 8, an output pulley 21, a belt 22, an input pulley 23, and a bevel gear fixed to the handling cylinder shaft 13 are used. A stock removal on the stock side via a bevel gear mechanism 25 in the case 24, a waste transmission shaft 26 extending obliquely rearward from the bevel gear case 24, and a chain drive sprocket 27 pivoted on an intermediate portion of the chain rail 15. The transport chain 16 is interlocked to be driven to rotate. The lug transport chain 19 is driven to rotate from the end of the waste transport via the driven sprocket 28, the tip side transmission shaft 29, and the tip side drive sprocket 30 provided in the middle of the chain drive sprocket 27. .

The stock transporter 14a of the waste transporter 14 is driven from this intermediate part, and the tip transporter 14b is driven from this terminal part. can configure the predetermined open space, takeover from feeds Chen can prevent clogging of the straw discharge the straw discharge conveying device starting can be performed satisfactorily.

The start end side of the chain rail 15 is configured to be able to swing up and down around the axis P of the chain drive sprocket 27 together with the waste transport chain 16. If the waste is clogged in the waste transporting section, the clogged waste can be easily removed by lifting the start end side of the waste transport chain upward. Note that idea to urge the straw discharge conveyor chain 16 provided with a torque spring in the vertical rotational axis of the chain rail pivotally raised direction, it is possible to lighten the lifting operation force of the straw discharge conveyor chain .

A holding rod 17 provided on the lower side of the waste conveying chain 16 is held under tension on the chain 16 side via a pressing spring 31.
Between the rear plate 12 of the handling chamber and the threshing machine frame 33 at the rear end of the threshing unit 4 and connected to the waste support frame 34 and the vertically movable chain rail 15, the lift of the waste transporting chain 16 is raised. A restriction lock means (upward rotation restriction means) 35 is provided that can be switched between a restriction state that restricts rotation and a restriction release state that permits upward rotation. The restriction lock means 35 includes a restriction lock member 37 pivotally attached to the chain rail 15 around a shaft 36, and a lock pin provided integrally with the restriction lock member 37 and slidable in the axial direction of the shaft 36. 38, a lock hole 39 provided in the evacuation support frame 34 and lockable by inserting the lock pin 38, and the like. In the upright state, the restriction lock member 37 is configured such that the upper end surface contacts the lower surface of the waste support frame 34 and restricts the upward rotation of the waste transport chain. In the horizontally lying state in the front-rear direction, the upper end surface of the restriction lock member is disengaged from the lower surface of the waste support frame, and is configured to allow upward rotation of the waste transport chain. When the restriction lock member 37 is pulled against the tension spring 40, the lock pin 38 in the locked state is pulled out from the lock hole 39 of the evacuation support frame 34, and the locked state is released. ing. In short, when the regulating lock member 37 is pulled to the front side and the lock pin 38 is pulled out from the lock hole 39 of the evacuation support frame and rotated backward, the upper end surface of the regulation member 37 comes off the lower surface of the evacuation support frame. Then, the waste transport chain 16 is in a state where it can be rotated upward.

A handle 41 for vertically rotating the start end side of the waste transport chain 16 is provided integrally with the chain rail 15 on the start end side of the stock source side transport device 14a. The handle 41 can be gripped by the operator and can be easily rotated up and down. Further, the handle 41, the front end off I - Kyojire contraposed above the Dochen 11 - to face the end portion of the Le 11a, sandwiching the start of the straw discharge conveyor chain 16 and Kyoji杆17 rear end It is configured so as to serve as a discharge takeover guide from the end of the feed chain to the start of the discharge conveyance chain so as to approach the point.

A swinging sorting device that can swing is provided below the handling chamber 8, and further below, a Kara 44, a first transfer spiral 45, and a second transfer spiral 46 in order from the upper side in the sorting direction. And a suction dust exhaust fan 47 is provided above it to constitute a sorting chamber.

The first lifting cylinder 48 lifts the grain collected by the first transfer spiral 45 and stores it in the Glen tank G. The second lifting cylinder 49 is configured to return the second item collected by the second transfer spiral 46 into the chamber of the second processing cylinder 50.

And the said rocking | swiveling sorter is the structure which receives the processed material after the threshing process from a handling room, and sifts it while carrying out rocking | fluctuation transfer, and the transfer shelf 51, the chaff sheave 52, and the stroll rack 53 from the upper side of the sorting direction. A treatment product that has been disposed in order and that has been provided with a grain sheave 54 disposed below the chaff sheave 52 and has leaked from the handling chamber 8 due to the combined action of the sort air 44 and the suction dust exhaust fan 47 and the shaking. The sieve is sorted and processed while being oscillated and transferred.

In the embodiment shown in FIG. 9, an exhaust pipe 55 that discharges exhaust gas from the engine E is branched from a middle portion into a first exhaust pipe 56 and a second exhaust pipe 57, and the first exhaust pipe 56 is provided in the engine E. Between the threshing machine 4 and the threshing machine 4 in the front-rear direction and exhausted from the rear-facing exhaust port 56a toward the rear of the machine body, and the second exhaust pipe 57 penetrates the threshing machine in the lateral direction horizontally. It is configured to exhaust from the exhaust port 58 toward the feed chain 11 side on the one side of the handling chamber.

Outside the second exhaust pipe 57 on the exhaust port 58 side, a belt cover 61 is provided below the feed chain cover 60 to cover the belt transmission mechanism of the sorting section, thereby blocking the scattering of the exhaust gas. We do not touch auxiliary workers at times. Further, as shown in FIGS. 10 and 11, the belt cover 61 is provided with a ventilation port 62 at a portion facing the exhaust port 58 of the second exhaust pipe 57 so that the exhaust gas is placed on the uncut area on the left side of the combine. It is possible to remove the uncut mushrooms. In addition, it can also be set as the structure which makes this ventilation opening freely openable / closable with an opening-and-closing board, closes at the time of handling operation, and opens and dew-deposits at the time of normal cutting and threshing.

In the embodiment, as shown in FIG. 12, the second exhaust pipe 57 is piped in the space between the double wind tunnels 63, 63 having a double structure. There is a risk of quality degradation due to the heat of the object. In order to prevent this, in this example, a temperature sensor 64 is installed on the upper surface of the Kara wind tunnel 63, and when the detection result of the temperature sensor exceeds the set temperature, an alarm device (not shown) is activated to make the operator recognize it. Therefore, it is possible to prevent deterioration in quality due to fire or heat of the processed material.

An exhaust gas introduction switching valve 65 is provided near the branch portion from the exhaust pipe 55 to the second exhaust pipe 57, and an alarm is issued based on the detection result equal to or higher than the set temperature by the temperature sensor 64, and at the same time, the exhaust gas introduction switching valve 65 is provided. Can also be configured to block the introduction of exhaust gas into the threshing machine.

The temperature sensor 64 may be provided on the start end side of the grain sieve 54 as shown in FIG. Further, by arranging the triangular space between the double wind tunnels 63, 63 of the tangy tang 44 and the tangled wind guide plate 66 with a heat storage body (fluid) 67 such as oil, the temperature distribution can be differentiated. Temperature changes due to fluctuations in work load are reduced, a stable temperature can be maintained, and deterioration in quality due to fire and heat of processed materials can be prevented.

Further, the number of the heat radiating plates 59 provided in the second exhaust pipe 57 is larger (dense) on the counter feed chain side (point side) of the handling chamber than on the feed chain 11 side (stock source side) of the handling chamber. By doing (refer FIG. 10), the leakage wet material from the treatment room tip side with many processed materials can be warmed efficiently, and wet material adaptability will improve.

As shown in FIG. 14, the exhaust gas introduction switching valve 65 is configured so that the exhaust can be switched between the first exhaust pipe 56 side and the second exhaust pipe 57 side. It is configured to switch to the first exhaust pipe 55 side when switching or not working. Then, by linking this switching of exhaust with the on / off operation of the cutting / removing clutch lever 68, the operator can save the operation and can efficiently warm the wet material. In addition, when the switching of the exhaust is interlocked with the threshing clutch lever, the operator can work comfortably by shutting off the exhaust toward the second exhaust pipe 57 during the handling operation.

The embodiment shown in FIGS. 15 and 16 will be described. The cleaning port lids 70 and 70 for opening and closing the cleaning port at the bottom of the receiving port of the first transfer spiral 45 and the second transfer spiral 46 are interlocked with each other so as to swing and open around the opening / closing operation shaft 71. Each of the cleaning mouth lids 70 and 70 is configured to swing and open with the rotation of the opening / closing operation shaft 71 through the link mechanism 72, and the opening / closing operation shaft 71 protrudes in the left-right direction from the shaft core. In addition, an operation handle 73 having grip portions 73a and 73b that can be gripped with both hands is attached to both left and right ends. According to this operation handle, it can be rotated by holding the grips at both the left and right ends, so that the opening and closing operation of the cleaning mouth cover can be performed with an extremely light operation force as compared with a single lever system. Further, the operation handle 73 can be made longer by disposing the operation handle 73 outside the drive pulleys 74 and 75 of the first transfer spiral 45 and the second transfer spiral 46, and the operation load can be further reduced. .

Combine side view Cutting side view of threshing device Top view of threshing device Top view of the main part Top view of the main part The top view of a regulation lock means is shown, (A) shows a locked state, (B) shows an unlocked state. Side view of regulation lock means Side view of the main part of the waste transporting device, (a) When ascending and turning (b) During normal operation Front view of the main part of the threshing part of the combine Same as above Side view of belt cover Side cross-sectional view of main parts of threshing machine Side sectional view of the main part Part cut front view Side view of essential parts of threshing machine Top view of the main part

1 Traveling crawler (crawler)
2 Car body 3 Cutting part 4 Threshing device
7 Handling cylinder 8 Handling room
13 Handling cylinder shaft 14 Waste transporting device
14a stocker side conveyor
14b Tip side transfer device 15 Chain rail 16 Exhaust transfer chain 17 Holding rod
Conveyor chain with 19 lugs
24 bevel gear case
26 Exhaust transmission shaft 27 Chain drive sprocket
28 driven sprocket
29 head side transmission shaft
30 tip-side drive sprocket 34 evacuation support frame 35 restriction lock means (upward rotation restriction means)
37 Restriction lock member 41 Handle P Shaft core

Claims (3)

A cutting part (3) is provided in the front part of the vehicle body (2) provided with the crawler (1), a threshing device (4) is provided in the rear part of the vehicle body (2), and a handling chamber (8) of the threshing device (4) is provided. Straw Discharge conveying device for conveying towards the rear of the straw discharge after threshing rearward (14) provided in)
Exhaust straw conveying device (14),
Kyoji杆facing the lower side of the chain rail (15) is wound along with straw discharge conveyor chain driven by chain drive sprocket (27) (16) and the exhaust straw conveying chain (16) (17) A stock source side transport device (14a) that sandwiches and transports the stock market side of the waste,
Conveyor chain with lugs (19) interlocked from a driven sprocket (28) provided at a position behind the chain drive sprocket (27) via a tip side transmission shaft (29) and a tip side drive sprocket (30). Comprising a tip side transporting device (14b) that locks and transports the tip side of the waste with
Said chain drive sprocket (27), as well as Jikuka the intermediate portion of the tip-side transfer device chain rail (15) provided on the tip of (14b) and straw discharge transmission shaft intersecting in plan view (26), said With the shaft center (P) of the chain drive sprocket (27) as a fulcrum, the start end side of the waste transport chain (16) is configured to rotate up and down, and the waste support frame (34) on the machine body side and the chain rail (15) A combiner provided with ascending rotation restricting means (35) that can be switched between a restricting state that restricts the ascending rotation of the waste transport chain (16) and a deregulated state that permits the ascending rotation. A handle (41) for rotating the waste transport chain (16) up and down is provided on the start end side of the waste transport device (14),
The combine according to claim 1, wherein the handle (41) is configured to hand over and guide the waste after threshing from the feed chain (11) to the start end of the waste conveying device (14) . The bevel gear case (24) pivotally supporting the base of the rejection transmission shaft (26) is, in plan view, against the barrel (13) that pivots the barrel (7) in the chamber (8). Arranged on the side opposite to the side where the feed chain (11) exists,
The front end portion of the tip side transport device (14b) is substantially the same position as the front end portion of the stock source side transport device (14a) that overlaps the rear end portion of the feed chain (11) in a front-rear direction. The combine of Claim 1 or Claim 2 arrange | positioned in the position between the said handling cylinder axis | shaft (13) and the front-end part of the stock-source side conveying apparatus (14a) in the left-right direction .

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