JP2002238341A - Power transmission device of general-purpose combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make arrangement of transmission constitution efficient and improve rigidity of the machine body and facilitate maintenance. SOLUTION: This power transmission device of general-purpose combine harvester is characterized by providing an engine 32 on the side of a carrying device, installing the engine 32 under a cabin, fixedly installing a gear box 40 having an input shaft 45 protruded to right direction and rotated by the above engine 32, a gear change means for changing rotation of the input shaft 45 and a backwardly protruded threshing cylinder rotating shaft 52 for receiving rotation from the gear change means and carrying out rotation on the front wall of upper threshing chamber located at a higher position than the base of a carrying device 14 and installing bevel gears 49 and 50 located on the downward side of power transmission direction of the input shaft 45 and paralleling rotating power with a threshing rotating shaft 52 in the gear box 40 and arranging the gear change means located on downward side of power transmission direction of these bevel gears 49 and 50 in a space part between the bevel gear 50 and a threshing cylinder 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power transmission device for a general-purpose combine.

[0002]

2. Description of the Related Art As shown in FIG. 8, a conventional power transmission device for a general-purpose combiner includes a reaping portion b having a squeezing reel and a cutting blade a provided at a front portion of an airframe, and a reaping portion b. A threshing device e including an upper threshing room d having a front-rear axis handling cylinder c provided on the left side of a rear portion and a lower wind selecting room having a karino and a rocking sorter, etc .; In the upper threshing chamber d
The inside handle cylinder c is rotated by the engine f via a belt g, and the reaper b is rotated by the engine f via a belt i.

[0003]

Therefore, in FIG. 8, even if the handle cylinder c slips due to overload, the operator does not notice the slip when looking at the mowing part b operated by the belt i. There was something. 8 has a problem in the strength of the front wall (front side plate) of the upper threshing room d. In the case of FIG. 8, since the belt g is located behind the side of the upper threshing chamber d, maintenance is troublesome. However, if the power transmission device of the general-purpose combine is devised, the threshing unit and the reaping unit can be rotated in proportion to each other, so that not only can the handling cylinder slip be overlooked, but also the front wall of the upper threshing room ( One that can reinforce the front side plate) and also facilitate maintenance can be obtained.

[0004]

SUMMARY OF THE INVENTION The present invention aims at improving the efficiency of the arrangement of the transmission structure, improving the rigidity of the machine body, and facilitating maintenance.

[0005]

Accordingly, the present invention provides a reaping section 4 having a raking reel 11, a cutting blade 10 and the like provided at a front portion of a machine body, and a transport device 14 provided at a rear portion of the reaping section 4.
And an upper threshing chamber 16 having a front-rear axis handling cylinder 17 provided on the rear left side of the mowing unit 4 for connecting the rear part of the transport device 14, and a lower wind screening chamber having a Karamin 22 and a rocking sorter 21 and the like. Threshing device 3 consisting of
And the engine 32 provided on the side of
The engine 32 is provided below the cabin 30 and the front wall 15 of the upper threshing chamber 16 above the base of the transfer device 14.
An input shaft 45 projecting to the right and rotated by the engine 32; a speed change means for shifting the rotation of the input shaft 45; and a handle barrel rotating shaft 52 projecting rearward and rotating in response to rotation from the speed change means. secure the gearbox 40 having a
A power transmission of the input shaft 45 is provided in the gear box 40.
It is on the lower side in the direction of arrival and handles the rotational power and is parallel to the cylinder rotation axis 52.
Bevel gears 49 and 50 are provided.
9, 50, which is on the lower side in the power transmission direction and is
The transmission means is arranged and provided in a space between the body 17
It is a power transmission device for a general-purpose combine. The present invention, in the gear box 40 includes an input shaft 45 which is rotated by projecting the engine 32 to the right, the thresher rotary shaft 52 that protrudes rearwardly rotated by the power transmission from the input shaft 45 is obtained by a general-purpose combined power transmission apparatus provided with a cutting sorting rotary shaft 57 that protrudes to the left to rotate by receiving a power transmission from the input shaft 45. The present invention is a power transmission device of a general-purpose combine in which the input shaft 45 and the reaping / selecting rotary shaft 57 are wrapped around bells 47 and 63 between pulleys 38 and 77 below the gear box 40, respectively. Things.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Is a body frame of a combine, 2 is a traveling device provided below the body frame 1, 3 is a threshing device provided above the body frame 1, and 4 is a mowing part provided in front of the body frame 1. The cutting section 4 has a left-right auger 9 mounted on an auger frame 8 including a bottom plate 5, left and right side plates 6, and a rear plate 7. A cutting blade 10 is provided on a front edge of the bottom plate 5. A raking reel 11 for raking the grain stem above the blade 10 is provided so as to be freely adjustable in the front-rear position and height.
(Front side) of a transfer device 14 provided with a transfer mechanism 13 therein
And the base (rear side) of the transport device 14 is rotatably attached to the front wall 15 side of the threshing device 3. The threshing device 3
An upper threshing chamber 16 is provided in the upper part of the cylinder, and a screw-type handling cylinder 17 provided with spiral wings on the outer periphery in the front-rear direction is mounted in the upper threshing chamber 16. 18
, A lower air selection chamber 19 is formed below the handling net 18, and a swing sorting device 21 is provided in the lower air selection chamber 19. Reference numeral 22 denotes a fan, 23 denotes a pulley for the first conveyor, 24 denotes a pulley for the second conveyor, 25 denotes a pulley for swinging, and 26 denotes a passive pulley. A grain tank 28 is provided on the side of the threshing device 3. 29 is a discharge auger connected to the Glen tank 28, 30 is the Glen tank 2
8 is a cabin provided on the front side.

An engine 32 is provided at a lower portion on the rear side of the cabin 30 provided with the driver's seat, and an output pulley 33 of the engine 32 and an intermediate portion provided on a shaft 35 of a counter gear box 34 provided on the rear side of the engine 32. The belt 37 is wound around the pulley 36. The shaft 35 is provided with another intermediate pulley 38. A branch gear box 40 is provided on the front wall 15 of the threshing device 3. The branch gear box 40 includes a right pipe 42 protruding laterally to the right of a main body 41 fixed to the front wall 15 and a left pipe 43 protruding laterally to the left.
And the distal ends of the right pipe 42 and the left pipe 43 are fixed to the front wall 15 by mounting members 44, respectively. A left-right input shaft 45 is mounted in the right pipe 42, and a belt 47 is looped between an upper intermediate pulley 46 fixed to a tip of the input shaft 45 and the lower intermediate pulley 38. An intermediate shaft 48 in the front-rear direction is provided on the right side in the main body 41.
, And a fixed bevel gear 50 is engaged with the front side of the intermediate shaft 48 and a fixed bevel gear 49 is engaged with the input shaft 45. A sliding gear 51 that slides in the axial direction is provided on the intermediate shaft 48 behind the portion to which the bevel gear 50 is fixed, and the sliding gear 51 is used to handle the rotating shaft 5.
2 is selected and engaged with the large gear 53 or the small gear 54 provided.

The front end of the intermediate shaft 48 protrudes into the left side pipe 43 on the base side, and a bevel gear 56 is fixed to the protruding portion so as to be back-to-back with the bevel gear 50.
6 is parallel to the input shaft 45 and the left pipe 4
Bevel gear 58 fixed to the cutting and sorting rotary shaft 57 mounted in the shaft 3
Bite. The cutting section 4 is located on the right side of the cutting and sorting rotary shaft 57.
Pulley 60 for mowing part and threshing device 3 to be transmitted to
, A belt 63 is wrapped around the intermediate pulley 60 for the reaper and the pulley 62, and a belt 63 is provided between the intermediate pulley 61 for threshing and a pulley 65 provided on the shaft 64. A second pulley 67 is provided on the shaft 64, and a belt 68 is wound between the pulley 67 and the second conveyor pulley 24 and the like.
The pulley 62 is fixed to a transmission shaft / input shaft 69 at the base of the transfer device 14, and a cutting output pulley 70 is provided at the other end of the transmission shaft / input shaft 69. Thus, the lower part of the front wall 15 of the threshing device 3 is formed in an arc plate 72 so as to surround the front side of the air blower 22 to form a space in the lower part of the front wall 15, and the counter is formed in the space. Gear box 3
4. An intermediate pulley 36, a lower intermediate pulley 38, and the like are provided and arranged efficiently. Also, 73 is a clutch pulley for cutting, 74 is a clutch pulley for threshing, 75 is a hydraulic pump provided on the counter gear box 34, 76
Is another tension pulley, 77 is a mounting member for rotatably mounting the base of the case 12 of the transport device 14, and 78 is a vertical cylinder of the mowing unit 4.

Next, the operation will be described. The rotation of the engine 32 is controlled by the output pulley 33, the belt 37, and the intermediate pulley 3.
6. An input shaft 45 mounted on a branch gear box 40 provided on the front wall 15 of the upper threshing device 3 via another lower intermediate pulley 38 and a belt 47 which are transmitted to the shaft 35 and fixed to the shaft 35. It is transmitted to a fixed upper intermediate pulley 46. The rotation transmitted to the input shaft 45 by the upper intermediate pulley 46 is intermediate due to the engagement between the bevel gear 49 fixed to the input shaft 45 and the bevel gear 50 fixed to the intermediate shaft 48 provided in the main body 41 of the counter gear box 34. Transmitted to the shaft 48, the intermediate shaft 4
The rotation of 8 is transmitted to the handle rotating shaft 52 by a sliding gear 51 and a large gear 53 or a small gear 54 meshing with the sliding gear 51 to rotate the handle 17.

The rotation transmitted to the intermediate shaft 48 is transmitted to a cutting / sorting rotary shaft 57 via a bevel gear 56 fixed to the front end of the intermediate shaft 48 and a bevel gear 58 meshing with the bevel gear 56, and the cutting / sorting is performed. From the intermediate pulley 60 for the cutting unit fixed to the rotating shaft 57, the belt 63, the pulley 62, the transmission shaft and the input shaft 6
9. The rotation is transmitted to the cutting unit 4 via the cutting output pulley 70 to operate the cutting unit 4. Then, the belt 66, the pulley 65, the shaft 64, the pulley 67, and the belt 68 are used to pull the first conveyor pulley 23, the second conveyor pulley 24, and the swing pulley from the threshing intermediate pulley 61 fixed to the cutting and sorting rotary shaft 57. The rotation is transmitted to 25 and the like, and the first conveyor, the second conveyor, the swing sorting device 21 and the like are operated.

When the vehicle is driven by the traveling device 2 in the above-described state, the reaper 4 divides the plant by the weeding body,
The stalks are squeezed into the auger frame 8 by the scraping reel 11 and cut by the cutting blade 10.
Is transported and supplied to the upper threshing chamber 16 of the threshing apparatus 3, and the grains threshed in the upper threshing chamber 16 fall from the handling net 18 into the lower air selection chamber 19, and are sent from the air blower 22 and oscillating sorting. Sorted by the rocking of the device 21, taken out from the first conveyor, temporarily stored in the Glen tank 28, and the stored grain is discharged out of the machine by the discharge auger 29. In the above case, the rotation from the engine 32 provided on the right side in the traveling direction of the threshing device 3 to the branch gear box 40 on the front side of the front wall 15 of the threshing device 3 above the base of the case 12 of the transport device 14 is performed. Since the rotation is transmitted to the left side of the threshing device 3 by the branch gear box 40 and then transmitted downward, and transmitted to the threshing device 3 and the cutting unit 4, the base of the case 12 of the transport device 14 is arranged. By effectively utilizing the space on the side, transmission parts can be arranged efficiently and maintenance can be performed easily.

A branch gear box 40 is provided on a main body 41 fixed to the front wall 15 so as to protrude right and left.
2 and the base of the left pipe 43 are attached.
2 and the distal end side of the left pipe 43 are attached to the mounting member 4 respectively.
4, the rigidity of the front wall 15 is improved. In addition, the base of the case 12 of the transport device 14 that supports the reaper 4 is attached to the front wall 15. The mounting strength is improved, and the support force of the transport device 14 for the upper and lower portions of the reaper 4 is also improved, thereby improving durability. Also improve.

Further, since the rotation transmitted to the handle cylinder rotating shaft 52 of the handle cylinder 17 of the threshing device 3 is distributed to the reaping unit 4, the upper threshing chamber 16 of the threshing device 3 becomes overloaded, When the rotation of the handling cylinder 17 is slowed, the rotation transmitted to the mowing unit 4 is also slowed down, and the operator can move the upper threshing room 16
The clogging inside can be caught sensitively. The configuration inside the branch gear box 40 is such that a bevel gear 50 that meshes with a bevel gear 49 of the input shaft 45 on the intermediate shaft 48,
Fixed bevel gear 56 and two bevel gears,
Since the bevel gears are provided back-to-back, the axial load received when transmitting rotation is
The zero and the bevel gear 56 act so as to cancel each other, so that the branch gear box 40 can be made thin and light. The input shaft 45 on the right side of the branch gear box 40 is driven by a belt 47 wrapped around an upper intermediate pulley 46, and the reaping / selecting rotary shaft 57 on the left side of the other branch gear box 40 is driven by an intermediate pulley 60 for a reaping section and an intermediate pulley for threshing. Since the belt 63 and the belt 66 wrapped around the pulley 61 respectively press down, the threshing apparatus 3 is pressed down by the belt tension on the body frame 1 to prevent vibration of the threshing apparatus 3, The strength of assembling the threshing device 3 to the body frame 1 is improved.

[0014]

According to the present invention, a scraping reel 11 provided at the front of a body is provided.
And a cutting unit 4 having a cutting blade 10 and the like, a conveying device 14 provided at the rear of the cutting unit 4, and a front-rear axis provided at the rear left side of the cutting unit 4 connecting the rear of the conveying device 14. A threshing apparatus 3 comprising an upper threshing chamber 16 having a body 17 and a lower wind screening chamber 19 having a rocking sorter 21 and an oscillating sorter 21 and the like, and an engine 32 provided on the side of the transfer device 14, The engine 32 is installed in the cabin 30
And an input shaft 45 protruding rightward and being rotated by the engine 32 on the front wall 15 of the upper threshing chamber 16 above the base of the transfer device 14, and a transmission for shifting the rotation of the input shaft 45. And a gear box 40 having a handle cylinder rotating shaft 52 projecting rearward and rotating in response to rotation from the transmission means .
Is the lower side of the power transmission direction of the input shaft 45 and the rotational power
Bevel gears 49 and 50 that make
In addition, the power transmission direction of the bevel gears 49 and 50 is poor.
Side and in the space between the bevel gear 50 and the handle cylinder 17
The gearbox 40 is provided on the front wall 15 because the gearbox 40 is provided on the front wall 15 because the power transmission device is a general-purpose combine where the transmission means is provided and provided. , before since the gear box 40 in the wall 15 can easily maintenance, distribution of the transmission arrangement
The effect is that the arrangement can be made more efficient . In the present invention, the gear box 40 is provided with a
Thresher rotary shaft 5 and the input shaft 45 which is rotated, that protrudes rearwardly rotated by the power transmission from the input shaft 45 by
2, since it is obtained by a general-purpose combined power transmission apparatus provided with a cutting sorting rotary shaft 57 that protrudes to the left to rotate by receiving a power transmission from the input shaft 45, thresher 17 by overload When slipping, the number of rotations transmitted to the reaper 4 decreases, so that the operator operates the reaper 4.
, A slip is noticed, and the threshing chamber 16 is prevented from being clogged. In the present invention, since the input shaft 45 and the reaping / selecting rotary shaft 57 are each a power transmission device of a general-purpose combine in which a belt is wound around a pulley below the gear box 40, a threshing device is provided. 3 is pressed downward by the belt tension on the machine frame 1 to prevent vibration of the threshing device 3, and the assembling strength of the threshing device 3 to the machine frame 1 is improved.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a front view of the threshing apparatus.

FIG. 3 is a plan view of the combine.

FIG. 4 is an expanded plan view of the gear box.

FIG. 5 is a side view of a main part.

FIG. 6 is a side view of a main part.

FIG. 7 is an explanatory view of a transmission mechanism.

FIG. 8 is a diagram of a known example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body frame, 2 ... Traveling device, 3 ... Threshing device, 4 ...
Cutting part, 5 bottom plate, 6 side wall, 7 rear plate, 8 auger frame, 9 auger, 10 cutting blade, 11 scraping reel, 12 case, 13 transport mechanism, 14 transport device,
15: Front wall, 16: Upper threshing room, 17: Handling cylinder, 18: Handling net, 19: Lower air sorting room, 21: Swing sorting device, 22: Blowing karamino, 23: Pulley for the first conveyor, 24 ... Pulley for second conveyor, 25 ... pulley for swing, 26 ... passive pulley, 28 ... Glen tank, 29 ... discharge auger,
30, cabin, 32, engine, 33, output pulley, 34, counter gear box, 35, shaft, 36, intermediate pulley, 37, belt, 38, lower intermediate pulley,
40 branch gear box, 41 body, 42 right pipe, 43 left pipe, 44 mounting member, 45 input shaft, 46 upper intermediate pulley, 47 belt, 48 intermediate shaft, 49, 50 umbrella Gears, 51: sliding gears, 52: handling cylinder rotating shaft, 53: large gear, 54: small gear, 56: bevel gear, 57: cutting and sorting rotating shaft, 58: bevel gear, 60: intermediate pulley for cutting unit, 61 ... intermediate pulley for threshing, 62 ...
Pulley, 63 ... Belt, 64 ... Shaft, 65 ... Pulley,
66 ... belt, 67 ... pulley, 68 ... belt, 69 ...
Transmission shaft and input shaft, 70: output pulley for cutting, 72: arc plate, 73: clutch pulley for cutting, 74: clutch pulley for threshing, 75: hydraulic pump, 76: tension pulley, 77: mounting member, 78: up and down Cylinder.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kazushi Ohara 1st Hachikura, Toze-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Engineering Department (72) Inventor Kenichiro Takeuchi 1 Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Engineering Department F-term (reference) 2B092 AA01 AB01 CA02 CA13 CA25 CA54

Claims (3)

[Claims] 1. A cutting section 4 having a raking reel 11, a cutting blade 10 and the like provided at a front portion of a body, a transport device 14 provided at a rear portion of the cutting portion 4, and a rear portion of the transport device 14 connected. Of the front and rear direction shaft provided on the rear left side of the reaper 4
Threshing apparatus 3 comprising an upper threshing chamber 16 having a 7 and a lower wind screening chamber 19 having a Karamin 22 and a rocking sorter 21 and the like.
And an engine 32 provided on the side of the transfer device 14 .
The engine 3 is provided below and protrudes rightward on the front wall 15 of the upper threshing chamber 16 above the base of the transfer device 14.
2. A gear box 40 having an input shaft 45 rotated by the rotation mechanism 2, a speed changing means for changing the speed of rotation of the input shaft 45, and a handlebar rotating shaft 52 protruding rearward which is rotated by receiving rotation from the speed changing means, is fixed. In the gear box 40
Is the power transmission direction lower side of the input shaft 45 and
Bevel gears 49 and 50 are provided in parallel with the handling cylinder rotation axis 52,
Furthermore, on the lower side in the power transmission direction of the bevel gears 49 and 50,
In the space between the bevel gear 50 and the handling cylinder 17,
A power transmission device for a general-purpose combine, wherein the power transmission device is arranged and provided . 2. The gear box 4 according to claim 1,
The 0, an input shaft 45 which is rotated by projecting the engine 32 to the right, the thresher rotary shaft 52 that protrudes rearwardly rotated by the power transmission from the input shaft 45, power from the input shaft 45 generic combine the power transmission apparatus provided with a cutting <br/> preparative sorting rotary shaft 57 that protrudes to the left to rotate by receiving the transfer. 3. The power transmission device according to claim 2, wherein the input shaft 45 and the reaping / selecting rotary shaft 57 each have a belt wound around a pulley below the gear box 40.