JP2001078545A - Transmission system of thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that a tension belt as a transmitter from an engine to threshing equipment cannot easily be dismantled and maintenance such as exchange of the belt cannot easily be performed because the tension belt is wound around the middle position of a countershaft and other belts which transmit rotation power by distributing it to various equipment are arranged on both sides of the middle position in a conventional transmission system. SOLUTION: This transmission system of a thresher has the following configuration: a countershaft 4 equipped with plural transmission belts 3 for transmitting rotation power by distributing it to a threshing drum 2, etc., of a threshing equipment 1 is installed in a rotatably supported state on the side of threshing equipment 1; a tension belt 7 is placed between the countershaft 4 and the power take off shaft 6 of an engine 5 and can transmit the rotation 1; a through a belt tension clutch 8; and the tension belt 7 is placed at a nearer position to the shaft end than other transmission belts on the countershaft 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission for a threshing machine, and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, a threshing machine is provided with a handling chamber having a handling cylinder mounted on an upper side, a second processing chamber, and a dust processing chamber, respectively.
The sorting room is arranged below it. And
The sorting room is provided at the bottom of the sorting room from the top of the sorting side in the order of pressure wind Karino, first transfer spiral, second transfer spiral, and above them, the swing sorting shelf is supported swingably. It is configured. The transmission mechanism is configured such that an intermediate shaft through which rotational power is transmitted from the engine is mounted on the threshing machine side, and the intermediate shaft is distributed to and transmitted to the above-described devices.

In the above-mentioned conventional transmission mechanism, a transmission belt transmitted from an engine side is provided to be wound around a pulley at an intermediate portion of the intermediate shaft, and the transmission belt provided on both sides thereof is connected to each device. The configuration was such that the rotational power was distributed and transmitted.

[0004]

As described above, in the conventional type, the transmission belt provided between the engine and the threshing machine has such a structure that it is difficult to easily remove it and maintenance is difficult. Therefore, as in the present invention, when a tension belt is wound between the power take-off shaft of the engine and the intermediate shaft on the threshing device side to constitute a belt tension clutch device, the tension belt is tightened and loosened for each clutch operation. Inevitably, wear is severe and maintenance is required.

However, according to the above-described conventional transmission structure, the tension belt is wound around the intermediate position of the intermediate shaft, and the belt that distributes and transmits the rotational power to each device is disposed on both sides of the tension belt. There is a problem that maintenance such as removal and replacement cannot be performed.

[0006]

SUMMARY OF THE INVENTION The present invention takes the following technical means in order to solve the above-mentioned problems. That is, an intermediate shaft 4 equipped with a plurality of transmission belts 3 for distributing and transmitting rotational power to the handling drum 2 and the like of the threshing device 1.
A tension belt 7 is provided between the intermediate shaft 4 and the power take-out shaft 6 of the engine 5 so as to be capable of transmitting power via a belt tension clutch device 8. The tension belt 7 is a transmission device of a threshing machine that is disposed closer to the shaft end than the other transmission belt 3 of the intermediate shaft 4.

[0007]

The present invention has been configured as described above.
It has the feature that the problem of the conventional type can be solved and the maintenance of the tension belt can be performed very easily.

[0008]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, as shown in FIGS. 4 and 5, the threshing apparatus 1 has a handling room 10 in which a handling cylinder 2 is installed as an interior shaft and is located on an upper side, and a swing sorting shelf 11 that is swingably installed below the handling room 10. In the lower part, in order from the upper side in the sorting direction, the compressed air Karino 12 and the first transfer spiral 13
And the sorting chamber 15 in which the second transfer spiral 14 is disposed, respectively.
Is provided. And feed chain 16
As shown by phantom lines in FIG. 5, the spikes of the cereal stalks holding the stock are inserted into the handling chamber 10 from the handling port and threshed, as shown by the phantom line in FIG. Configuration. 17 is a straw chain.

As shown in FIGS. 4 and 5, the threshing apparatus 1 has a second processing chamber 18 behind the handling chamber 10.
Is disposed at the start end side, and the dust treatment chamber 19 is provided so as to be overlapped with the end portion of the handling chamber 10 and arranged rearward. Then, as shown in FIG. 4, the second processing chamber 18 flies and supplies the second product collected by the second transfer spiral 14 by the second fryer 20, and is suspended inside. The second processing cylinder 21 performs the second processing operation.

Next, as shown in FIG. 4 and FIG. 5, the dust treatment chamber 19 communicates with an inlet 22 opened at the start end to the end of the handling chamber 10, and has an intermediate portion for processing material at an intermediate portion. A leakage frame 23 is stretched and provided.
, And the dust treatment cylinder 25 is constructed with an interior shaft. Then, the dust processing chamber 19 is carried around while being threshed in the handling room 10, reaches the terminal portion, and does not fall from the dust outlet 26 of the handling room 10 to the lower sorting chamber 15 (length). (Unprocessed material such as straw) is inherited and is subjected to a shedding process. 6 and 7, the handling room 1
A rack plate 42 is arranged behind the 0 dust outlet 26 to process the discharged short straw.

The swing sorting shelf 11 described above is similar to that of FIG.
As shown in (1), a transfer shelf 27, a chaff sheave 28, and a straw rack 29 are arranged from the upper side in the sorting direction, are integrally framed, and are swingably supported.

Next, the transmission mechanism of the above-described threshing apparatus 1 will be described. First, as shown in the diagram in FIG. 1, the intermediate shaft 4 is mounted on the threshing apparatus 1 side in the embodiment, extends in the lateral direction, and extends from the left end in plan view to the Karino pulley 30 and the spiral pulley.リ 31, double cylinder pulley 32, processing cylinder pulley 33
In this order. And Kara-min-puuri 3
Numeral 0 is communicatively connected to the pressurized wind roller 12 by a transmission belt 3a, and the spiral pulley 31 is communicatively connected to the first transfer spiral 13 by a transmission belt 3b. The handling cylinder pulley 32 is configured to transmit rotational power to the handling cylinder 2 via the gear box 34 by the transmission belt 3c. And the processing cylinder pulley 33 is
The dust removal processing cylinder 25 (second processing cylinder 2
1 is also transmitted integrally).

As shown in FIG. 1, the engine 5 is provided with a power take-out shaft 6 extending in a lateral direction while maintaining a state parallel to the intermediate shaft 4, and a tension belt between the two shafts 6, 4. 7 is wound. As shown in the diagram of FIG. 1, the tension belt 7 is wound from a power take-out shaft 6 to a transmission pulley 35 which is mounted on the shaft end of the intermediate shaft 4, and the belt tension clutch device 8 is moved to the intermediate position. Is provided so that transmission to the threshing apparatus 1 can be intermittently performed based on a clutch operation.

As shown in FIG. 1, the engine 5 is configured to transmit rotation power from the right power take-out shaft 36 to the Glen tank 37 to drive the discharge spiral 38. In such a configuration, the intermediate shaft 4 is supported from the threshing device 1 side, as shown in FIGS. 2 and 3, and the reinforcing support rod 40, from the left and right mowing suspension support tables 39 and 39 ′ on the front side. 40 'are connected and integrally supported. As shown in FIG. 3, the rotation fulcrum (the fulcrum shaft at the time of the feed chain opening) 41 of the feed chain 16 is connected to the mowing suspension support 3 framed as described above.
9 to secure the strength.

The operation of the threshing apparatus 1 configured as described above will be described. First, when the engine 5 is started, the rotational power reaches the transmission pulley 35 from the power take-out shaft 6 via the tension belt 7 and is transmitted to the intermediate shaft 4. At this time, the transmission of the intermediate shaft 4 is interrupted and continued by the engagement and disengagement operations of the belt tension clutch device 8.

As described above, when the intermediate shaft 4 is transmitted, the transmission belts 3a, 3b, 3c, 3d are transmitted from the respective pulleys 30, 31, 32, 33 mounted on the intermediate shaft 4, and the pressure is transmitted. Feng Tang Min 12, first transfer spiral 13 (second transfer spiral 14, second lifting device 20), handling cylinder 2, and dust treatment cylinder 25 (second treatment cylinder 21) are each transmitted to enable threshing action. Reach the state. Then, the grain culm is supplied to the feed chain 16 and the threshing operation is started.

Then, the cultivars of the cultivars are feedochen 1
While being conveyed while being clamped by 6, the tip portion is supplied to the handling chamber 10 from the handling port, and is subjected to threshing action by the rotating handling cylinder 2. Then, the thresh is carried around by the rotating handling drum 2, and further leaks from the sorting net while being subjected to the threshing process to reach the swing sorting shelf 11 of the sorting chamber 15 to perform the swing sorting operation. receive.

As described above, when the thresh is discharged from the handling room 10 to the outside, the long straw is supplied from the intake port 22 to the dust processing chamber 19 as the waste as shown in FIG. , The relatively short straw, as seen in FIGS. 6 and 7,
After being discharged from the rear exhaust port 26 and reaching the rack plate 42, the fine straw waste falls from the sorting net onto the chaff sheave 28.

The objects to be sorted are the transfer shelves 2 shown in FIG.
7 is transferred toward the shelf by the rack-shaped surface on 7 to reach the chaff sheave 28, where the grains leak and are separated from long straw and the like, and are subjected to a wind sorting action by a sorting wind.

In this way, the objects to be sorted are sorted while being subjected to the synergistic action of the swinging sorting action and the wind sorting action by the sorting wind, and the first thing (fine granules), the second thing, and the waste matter are sorted out. The first thing falls into the first transfer spiral 13 and is collected and harvested in the Glen tank 37 outside the machine. The second thing is lifted from the second transfer spiral 14 by the second graining device 20. The grain is returned to the second processing chamber 18 and subjected to the second processing action, and as for the dust, the straw waste reaching the straw rack 29 is discharged outside from the shelf.

During the threshing operation as described above, the tension belt 7 repeatedly operates the belt tension clutch device 8, so that the other transmission belts 3a, 3b, 3c,
Wear is severe compared to 3d, and maintenance is required. At this time, as shown in FIG. 1, the tension belt 7 is wound around a transmission pulley 35 which is mounted on the shaft end of the intermediate shaft 4, so that the maintenance belt can be easily maintained.

Another Embodiment 1 Next, another embodiment 1 will be described with reference to FIGS. The first embodiment relates to a safety device for a gas spring 51 supporting a handle cylinder cover 50, wherein the handle cylinder cover 50 rotated upward is supported by a gas spring 51 held by a lock plate 53. In addition, the safety is ensured. Conventionally, a gas spring 51 has a gas bleeding accident during a maintenance operation, and an operator may be in accord with the accident.

First, as shown in FIG. 8, the handle barrel cover 50 is constructed so as to be freely openable and closable on the upper side of the handle chamber 52 so as to facilitate maintenance, as is conventionally known. As shown in FIG. 8, the gas spring 51 pivotally connects the base of the cylinder lot 55 to the body side plate 54 and pivots the end of the cylinder 56 to the handle cover 50 to be extended and released. In some cases, the handle cover 50 is supported.

Then, as shown in FIG. 9, the lock plate 53 is pivotally mounted on the base side of the cylinder lot 55,
When the gas spring 51 is extended, the tip locking portion 57 is engaged with the end of the cylinder 56 to prevent the gas spring 51 from dropping.

In the first embodiment, when the gas spring 51 is extended by releasing the handle cover 50 upward from the handling chamber 52 (see the phantom line in FIG. 8). The safety can be ensured by engaging the lock plate 53 so that the cylinder lot 55 does not contract even if gas escape occurs.

Second Embodiment Next, a second embodiment will be described with reference to FIGS. The second embodiment relates to an apparatus for removing small particles on the teeth 61 attached to the end portion of the cylinder 60.

First, as shown in FIG. 10 and FIG. 11, the cut-out prevention plate 62 is formed by arranging slits 63 through which the handling teeth 61 can pass. It is configured to be attached to the frame 65.
The cut-off prevention plate 62 is configured to be able to remove the cut-off grains of the plurality of teeth 61 provided at the end of the handle cylinder 60. In addition, 66 is a dust outlet.

Since the second embodiment is configured as described above, if a small grain is generated during the threshing operation, this can be reduced as much as possible to reduce the rotation of the handling cylinder 60. In particular, since the second embodiment is provided at the end portion of the handling cylinder 60, it can be quickly sent out of the handling chamber 64. Further, since the scuttling prevention plate 62 is made of ultra-high molecular weight polyethylene, it has a feature that it is extremely resistant to impact and abrasion and has high durability.

Third Embodiment Next, a third embodiment will be described with reference to FIG. The third embodiment relates to a means for preventing paddy leakage between the end portion (lower end portion) a of the swing sorting shelf 70 and the end portion (upper end portion) b of the second sorting shelf 71 beforehand.

First, the paddy leakage prevention seal 72 is attached to the end (lower end) a of the swinging sorting shelf 70 with its upper edge hanging down, and is extended to the second sorting shelf 71 in a hanging state. Provided. On the other hand, the paddy fall prevention plate 73 is formed of a flexible material, and the lower edge thereof is the end (upper end) b of the second sorting shelf 71.
To form a superposed state in accordance with the outside (behind) of the paddy leakage prevention seal 72. Reference numeral 74 denotes a second transfer spiral.

In the third embodiment, as described above, the paddy leakage prevention seal 72 and the paddy falling prevention plate 73 are superposed as shown in FIG. Even if the swing sorting shelf 70 swings, there is no gap between them, and there is no risk that the second product will jump out of the machine, and the second product can flow into the second transfer spiral 74 reliably.

Fourth Embodiment Next, a fourth embodiment will be described with reference to FIGS. The fourth embodiment relates to the grain discharging auger 81 of the Glen tank 80, and enables the auger 81 to be stored at a position as close to the Glen tank 80 as possible. With this configuration, the grain discharging auger 81 has a great feature that even if it is a long type, the length of the grain discharging auger 81 protruding outside the vehicle body can be shortened to eliminate running obstacles and to maintain vehicle body balance.

First, as shown in FIG. 13, a grain discharge auger 81 is conventionally known and its base is a Glen tank 80.
And a state where it can be switched between a state in which it is stored on the threshing device 82 and a state in which it is possible to discharge the grains while rotating upward. Then, as shown in FIG. 14, the frying cylinder 83 connects the base to the threshing device 82 and communicates the upper part with the Glen tank 80 to fry the first grain after threshing and sorting to the Glen tank 80. It is configured to store.

As shown in FIG. 14, the guide 84 is provided on the side of the upper part of the frying cylinder 83 so that the vertically moving grain discharge auger 81 can be moved to the side (if it is on the frying cylinder 83). (So that there is no guidance). 85 is-
It is a moth.

In the fourth embodiment, the grain discharging auger 81 is guided to the guide 84 when the grain discharging auger 81 moves up and down between the auger receiver 85 and the upper position. While being guided, it moves up and down around the frying cylinder 83. Therefore, as shown by the solid line in FIG. 14, the grain discharge auger 81 can be stored at a position as close as possible to the Glen tank 80 when stored in the auger receiver 85.

Another Embodiment 5 Next, another embodiment 5 will be described with reference to FIGS. In another embodiment 5, the side bottom plate 9 of the Glen tank 90 is provided.
1 relates to an improvement of a reinforcing plate 92 for reinforcing the reinforcing member 1.

First, as is well known in the art, the Glen tank 90 is framed by a surrounding side plate 93 and a bottom side bottom plate 91 and the like, and is configured to store the most grains. 94 indicates a discharge spiral. And the side bottom plate 91
Has a structure in which a channel-shaped reinforcing plate 92 is welded from the outside to attach and reinforce it. However, only the vibrating device 95 is not welded, but is attached from the outside by a locking member 96 sandwiching a buffer spring. I have.

The vibration device 95 is configured to be vibrated by the eccentric cam 98 provided on the rotating shaft 97 and transmit the vibration to the side bottom plate 91. Since the fifth embodiment is configured as described above, the side bottom plate 91 is vibrated by the eccentric cam 98 during the operation of discharging the grain.
Vibration is transmitted by this and vibrates to prevent stagnation of the grain inside and to smoothly slide down to discharge. In particular, the side bottom plate 91 does not weld the reinforcing plate 92 only in the vicinity of the vibrating device 95, but the locking member 9 sandwiching the buffer spring.
6, the vibration is sufficiently transmitted and the stagnation of the grain is eliminated while the reinforcement is not impaired.

[Brief description of the drawings]

FIG. 1 is a diagram showing a transmission mechanism according to an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of the present invention.

FIG. 3 is a side view of the embodiment of the present invention.

FIG. 4 is a side view, broken away, of an embodiment of the present invention.

FIG. 5 is a sectional plan view of the embodiment of the present invention.

FIG. 6 is a sectional plan view of the embodiment of the present invention.

FIG. 7 is a cut-away side view of the embodiment of the present invention.

FIG. 8 is a side view of another embodiment 1 of the present invention.

FIG. 9 is a perspective view of another embodiment 1 of the present invention.

FIG. 10 is a plan view of a principal part, which is another embodiment 2 of the present invention.

FIG. 11 is a sectional side view of another embodiment 2 of the present invention.

FIG. 12 is a cut side view of a third embodiment of the present invention.

FIG. 13 is a plan view of yet another embodiment 4 of the present invention.

FIG. 14 is an operational front view of yet another embodiment 4 of the present invention.

FIG. 15 is a sectional front view of a fifth embodiment of the present invention.

FIG. 16 is a side view of another embodiment 5 of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Threshing device 2 Handling cylinder 3 Transmission belt 4 Intermediate shaft 5 Engine 6 Power take-out shaft 7 Tension belt 8 Belt tension clutch device.

Continuing from the front page (72) Inventor Tomoyuki Ichimaru 1 Toya-machi, Hachikura, Toyo-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. (Reference) 2B076 AA03 DA09 DB02 DB06 2B092 AA01 AB04 CA02 CA13 CA54 CA62

Claims (1)

[Claims] An intermediate shaft equipped with a plurality of transmission belts for distributing and transmitting rotational power to a handling drum of a threshing apparatus.
A tension belt 7 is provided between the intermediate shaft 4 and the power take-out shaft 6 of the engine 5 so as to be capable of transmitting power via a belt tension clutch device 8. A transmission device for a threshing machine, wherein the tension belt 7 is disposed closer to the shaft end than the other transmission belts 3 of the intermediate shaft 4.