JP3396917B2 - Combine elevator - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is, combine of Misao
The present invention relates to a combine getting- on / off device provided with an auxiliary step for getting on and off a vertical portion . 2. Description of the Related Art Conventionally , Japanese Utility Model Laid-Open No. 63-72134 discloses
As shown , outside of the combine pilot's steps
In some cases , an auxiliary step for getting on and off is provided so as to be switchable between a storage state attached to the side of the machine body and an extended state extending from the side of the machine body . If this auxiliary step is set in the overhang state,
The vertical person can easily get on the steps using the auxiliary steps.
You can get off and on, and the auxiliary steps are stored while driving
If you do, it is unlikely that it will be damaged by contact with obstacles
No. [0004] The prior art described above is
The step is pivoted to the mounting part protruding outward from the side of the aircraft
Install freely to attach auxiliary steps to the side of the aircraft.
It can be moved freely between the delivery state and the overhanging state from the side of the aircraft.
In the retracted state, the auxiliary step itself
When the mounting part of the auxiliary step protrudes from the side of the fuselage
Has become. [0005] For this reason, reaping work traveling near high ridges and fences
When performing an auxiliary step, even if the auxiliary step is
And its mounting part project outward from the side of the aircraft
So it was in the way and the aircraft approached the ridge or fence and cut
And it is difficult to travel
May occur. Also, cut between crops and cut
When performing work traveling, project outward from the side of the aircraft.
The crop on the auxiliary steps and their mounting points.
In addition, there is a problem that it is difficult to perform appropriate harvesting work traveling. The present invention employs the following technical means to solve the above-mentioned problems. That is, above the endless track type traveling devices 6,6
A machine 7 is provided, and a threshing device 8 and grain storage are provided on the machine 7.
A device 9 and a control unit 10 are provided, and a harvester is mounted in front of the threshing device 8.
The provided location 3, previously in the lower front side of the seat 32 of the steering unit 10
A step 69 is formed above the machine stand 7 , and an auxiliary step 83 for getting on and off is provided below and outside the step 69.
At the bottom of the outer end of step 69
An opening 85 is formed above the outer surface 84 from base 7, the outer
It is rotatably supplemented to a mounting part provided inside the fuselage from the side surface 84.
Storage state and opening housed penetrates the auxiliary step 83 in the open <br/> opening portion 85 by attaching the auxiliary step 83 8
5 outside the lower switching freely provided and the swollen state overhangs downwardly from said machine base 7, wherein the step of operating member 89,87 for switching operating the auxiliary step 83 and the protruding state and the storage state Con, characterized in that provided above the 69
It is a vine getting on and off device . The combine getting on / off device having the above-described structure is a
The operating tools 89 and 87 provided above the
By operating the auxiliary step 83, the storage state and the overhang
Switch to the state. The auxiliary step 83 starts from the outer side surface 84
It is rotatably mounted on the mounting part provided inside the fuselage.
In the storage state, the machine 7
Penetrates into the opening 85 formed in the outer surface 84 above
In the overhang state, the lower part outside the opening 85 is
Extend below the machine base 7. According to the present invention , as described above, the endless track zone
A machine 7 is provided above the traveling devices 6 and 6 of the
A threshing unit 8, a grain storage unit 9, and a control unit 10 are installed at the top.
The mowing device 3 is provided in front of the threshing device 8 and the control unit
At the front lower side of the ten seats 32 and above the machine stand 7,
A step 69 is formed, and the step 69
In the combine provided with the auxiliary step 83,
Step 83 can be switched between the retracted state and the extended state.
The auxiliary step 83 is moved between the retracted state and the extended state.
The operation tools 89 and 87 for switching operation to
Since it is provided above, the auxiliary step 83 is extended.
Once in the state, the pilot can use the auxiliary step 83
To get on and off step 69 easily.
If step 83 is stored, it will come in contact with obstacles.
It is unlikely to be damaged. Moreover, step 69
The retracted state and the extended state of the auxiliary step 83 after being inserted
Can be easily switched. In addition, the machine is located below the outer end of step 69.
An opening 85 is formed in the outer surface 84 above the table 7 and
It is rotatably supplemented to a mounting part provided inside the fuselage from the side surface 84.
Attach the auxiliary step 83 and open the auxiliary step 83
The storage state and the opening 8 which are stored while being inserted into the mouth 85.
A projecting state of projecting downward from the machine base 7 below the outer lower part of 5;
The auxiliary step 83 is
When set to the protruding state, the auxiliary step 83
Over the outside and below the machine 7
So it is easy to get on and off the auxiliary step 83 from the ground
I can do it. Moreover, while being provided in such a way,
The auxiliary step 83 is provided between the outer surface 84 and the inside of the fuselage.
Attached to the attachment part so as to be freely rotatable to store the auxiliary step 83
Sometimes, the outer surface 84 between the step 69 and the
As it enters and is housed in the formed opening 85,
Whether the auxiliary steps and their mounting parts are on the side of the fuselage as in technology
Because it does not protrude significantly outwards, it is cut near high ridges and fences.
When carrying out harvesting work, move the aircraft closer to the ridge or fence to cut
Work, and break in between crops.
Auxiliary steps and their harvesting
Crop is less likely to get stuck in the attachment area, and harvesting work travels
Can be performed accurately. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail using a combine as an example. The combine aircraft
Run of the structure in which a traveling device 6, 6 of the endless track type on the left and right
A machine 7 is provided above the rowing device 1 , a threshing device 8 and a grain storage device 9 are provided side by side above the machine 7, and a control unit 1 is further provided.
0, the engine 11 and the like are provided. The threshing device 8
The mowing device 3 is provided to be able to move up and down. The traveling devices 6 and 6 include a wheel frame 12.
Crawlers 16 and 16 are wound around wheel sprockets 15 and 15 driven by a plurality of wheels 13 and a traveling transmission case 14, respectively. The control unit 10 is disposed on one side in front of the machine base 7, and the engine 11 is disposed at a lower rear portion of the control unit 10. A main output pulley 17 of a double pulley type driven by an output shaft of the engine 11 and a traveling input pulley 19 provided on an input shaft 18 protruding inward from the inside of the traveling transmission case 14. The traveling power transmission belt 20 is wound around. On the machine base 7, the control unit 10
The mowing support 21 is erected on the other side at an interval.
The reaper 3 is supported on the upper end of the reaping support 21 so that the reaper 3 can be turned up and down. In this state, the cutting input pulley 22 which is a drive input source of the cutting device 3 is disposed inside the machine body with respect to the cutting support 21. Then, a reaping transmission belt 25 is wound around a reaping output pulley 24 provided on a reaping output shaft 23 protruding outward from the traveling transmission case 14 from the outer side of the machine body and the reaping input pulley 22. Further, there is provided a cutting tension roller 26 for turning on and off the transmission of the driving force by loosening the tension of the cutting transmission belt 25.
Is composed. A threshing input pulley 28 serving as a drive input source for each part of the threshing device 8 is provided at an upper front portion of the threshing device 8.
Place. Then, a threshing transmission belt 29 is wound around the threshing input pulley 28 and the main output pulley 17. Further, a threshing tension roller 30 for turning on and off the transmission of the driving force by loosening the tension of the threshing transmission belt 29 is provided.
1. On the other hand, in the control section 10, the seat 3
2, a front operation panel 33 is provided, and a steering lever 34 and a handle 35 are erected on the front operation panel 33. The steering lever 34 engages and disengages left and right side clutch gears (not shown) in the traveling transmission case 14 with respect to a center gear (not shown) by tilting in the left and right direction. Thus, the drive of the left and right wheel sprockets 15, 15 is turned on and off to steer the fuselage. Further, the mowing device 3 is configured to be moved up and down with respect to the machine base 7 by tilting the steering lever 34 in the front-rear direction. Further, the seat 3 in the control section 10 is provided.
A side operation panel 36 is provided on the inner side of the fuselage.
Then, on the side operation panel 36, the traveling speed change lever 2, the mowing clutch lever 4, and the threshing clutch lever 37 are erected. The traveling speed change lever 2 is rotatably mounted on a stay 39 fixed to an inner side wall 38 of the control unit 10 in a longitudinal direction and a left and right direction. A length-adjustable rod 42 is connected to the shift arm 41 of the continuously variable transmission of the case 14. With this configuration, as the traveling speed change lever 2 is tilted forward from the neutral position in the substantially upright state, the continuously variable transmission is operated to the forward high speed side. The device is operated to the reverse high speed side. The cutting clutch lever 4 is mounted on a stay 43 integral with the side operation panel 36 so as to be pivotable in the front-rear direction, and an arm 44 integral with the cutting clutch lever 4 is attached to the cutting clutch 27. To the support arm 45 of the cutting tension roller 26 via a length-adjustable rod 46 and a tension spring 47. With this configuration, when the cutting clutch lever 4 is switched backward and tilted, the cutting clutch 27 is disengaged and the cutting device 3 is stopped, and when the cutting clutch lever 4 is switched forward and tilted, the cutting clutch 27 Is operated to drive the reaper 3. The threshing clutch lever 37 is mounted on a stay 43 integrated with the side operation panel 36 so as to be rotatable in the front-rear direction coaxially with the cutting clutch lever 4. Arm 48 integrated with
The threshing tension roller 30 of the threshing clutch 31
Is connected via a length-adjustable rod 50 and a tension spring 51. With this configuration, when the threshing clutch lever 37 is switched backward and tilted, the threshing clutch 31 is disengaged and the threshing device 8 is operated.
Stops, and when the threshing clutch lever 37 is switched and tilted forward, the threshing clutch 31 is engaged and the threshing device 8 is driven. On the other hand, the side operation panel 36 is provided with a running speed change lever guide groove 52, a cutting clutch lever guide groove 53, and a threshing clutch lever guide groove 54 having a long hole shape in the front-back direction. The running speed change lever guide groove 52, the mowing clutch lever guide groove 53, and the threshing clutch lever guide groove 54 are provided in this order in the order close to the seat 32, close to each other, and in parallel with each other. The traveling transmission lever guide groove 52 is
The forward low-speed range shifting groove 5 at the middle part in the front-rear direction in plan view
5 has a bent shape that is deviated toward the seat 32 more than the forward high-speed range shift groove 56 at the front portion and the reverse speed range 57 at the rear portion. The traveling speed change lever 2 is provided so as to protrude upward from below the traveling speed change lever guide groove 52. Thereby, the traveling speed change lever 2 is
When the neutral position is at the rear of the forward low-speed range shift groove 55, the continuously variable transmission of the traveling transmission case 14 is in a driving stop state, and the traveling of the aircraft is stopped. When the traveling speed change lever 2 is tilted forward from the neutral position, an arm 4 integrated with the traveling speed change lever 2 follows.
0, the speed change arm 41 of the continuously variable transmission of the traveling transmission case 14 is rotated to the forward high speed side via the length adjustable rod 42, and as a result, the aircraft accelerates forward traveling. Become. Also, the traveling speed change lever 2 is
As you tilt backward from the neutral position,
The transmission arm 41 of the continuously variable transmission of the traveling transmission case 14 is rotated to the low speed side through an arm 40 integrated with the traveling transmission lever 2 and a length-adjustable rod 42,
As a result, the aircraft accelerates backward traveling.
The traveling transmission lever 2 is provided with the traveling transmission lever guide groove 5.
(2) The state of being tilted to the front and rear ends is the highest speed of forward and backward travel. In such a traveling speed change operation, when the traveling speed change lever 2 is rotated from the forward low speed range transmission groove 55 to the forward high speed range transmission groove 56, the traveling speed change lever guide groove 52 is accordingly moved. The bent shape of
It leans and approaches the cutting clutch lever guide groove 53 side. On the other hand, the cutting clutch lever guide groove 53
Is configured to have a linear shape in a plan view, and the cutting clutch lever 4 is projected upward from below. In a state where the cutting clutch lever 4 is switched to the rear end of the cutting clutch lever guide groove 53 and tilted, the cutting clutch 27 is in a disengaged state, and the cutting device 3 is in a stopped state. Also,
When the cutting clutch lever 4 is switched and tilted to the front end of the cutting clutch lever guide groove 53, an arm 44 integrated with the cutting clutch lever 4 and a length-adjustable rod 46 are provided.
And the support arm 45 is forcibly rotated via the tension spring 47. And the cutting tension roller 2
6 is a state in which a transmission tension is applied to the cutting power transmission belt 25. As a result, the reaping clutch 27 is engaged, and the reaping device 3 is driven. The threshing clutch lever 37 and the threshing clutch lever guide groove 54 have the same construction as the mowing clutch lever 4 and the mowing clutch lever guide groove 53. The tip of the reaping clutch lever 4 also serves as a gripper, and the seat 32
Side, that is, the engaging portion 5 bent toward the traveling speed change lever 2 is attached. The engaging portion 5 is configured to be adjustable in its longitudinal direction with respect to the cutting clutch lever 4 by a position changing type using a fixing pin P or a screwing type using a screw V. 4 is adjustable in expansion and contraction. With this configuration, in a state where the cutting clutch lever 4 is switched to the front end of the cutting clutch lever guide groove 53 and tilted, the engaging portion 5 is disposed above the forward high-speed range shift groove 56 of the traveling shift lever guide groove 52. Is done. Further, by changing and adjusting the mounting position of the engaging portion 5 with respect to the tip of the mowing clutch lever 4, the arrangement position of the engaging portion 5 above the forward high-speed range shifting groove 56 is changed and adjusted in the front-rear direction. Can be. The harvesting operation of the combine having the above configuration will be described. At the start of the operation, the engine 11 is driven, the cutting clutch lever 4 and the threshing clutch lever 37 are switched to the front end and tilted, and the cutting device 3 and the threshing device 8 are driven. Then, in this state, the traveling speed change lever 2 is gradually tilted forward to increase the speed of the machine body, to enter the uncut kernel row, and to start cutting. The grain stalks cut by the cutting device 3 are fed to the threshing device 8 and subjected to threshing, and the hulled grains are fed to the grain storage device 9,
The waste straw is discharged outward from the rear part of the threshing device 8. During such a mowing operation, the mowing clutch lever 4 is switched to the front end and tilted as described above. For this reason, the engaging portion 5 provided at the tip of the mowing clutch lever 4 is disposed above the forward high-speed range shift groove 56 of the traveling shift lever 2. Therefore, when the traveling speed change lever 2 is tilted to the forward high speed side, the forward maximum tilt angle of the traveling speed change lever 2 is regulated by the contact with the engaging portion 5. This can prevent an excessive forward speed increase. Further, by changing and adjusting the mounting position of the engaging portion 5 with respect to the mowing clutch lever 4, the arrangement position of the engaging portion 5 above the forward high-speed range shifting groove 56 is changed and adjusted in the front-rear direction. The maximum tilt angle can be changed and adjusted. That is, the maximum regulation speed can be arbitrarily changed and set. In the traveling transmission case 14, a center gear 58 driven by the continuously variable transmission is provided.
Is attached to the side clutch shaft 59. Side clutch gears 60, 60 engageable with the center gear 58 from both left and right sides are connected to the side clutch shaft 59.
To be rotatable and slidable in the axial direction. Further, left and right counter gears 62, 62 are provided rotatably with respect to the counter shaft 61, and the left and right counter gears 62, 62 always mesh with the left and right side clutch gears 60, 60. The left and right wheel drive gears 64, 64 attached to the inner ends of the left and right wheel shafts 63, 63 always mesh with the left and right counter gears 62, 62. The left and right wheel sprockets 15, 15 are attached to the outer ends of the left and right wheel shafts 63, 63. The left and right side clutch gears 6
The left and right slide shifters 65 are engaged with 0 and 60, respectively. The left and right slide shifters 65, 65 are shift arms 67, 67 attached to the inner ends of the left and right shifter shafts 66, 66 protruding outside the traveling transmission case 14.
To the shaft. Further, side clutch operation arms 68, 68 are attached to the outer ends of the left and right shifter shafts 66, 66. On the other hand, on the step 69 of the control unit 10, a brake pedal 70 is arranged. The brake pedal 70 includes a stepping surface 71 and an arm 72. The base of the arm 72 is mounted on the lower surface of the step 69 on a horizontal axis, and is configured to be vertically rotatable. A first pulley 73 is mounted on the side surface of the intermediate portion of the arm 72 on a horizontal axis. On the lower side surface of the step 69, a second pulley 74 is mounted on a horizontal axis at a position above the arm 72 and behind the first pulley 73. Further, on the lower surface of the step 69, a locking stay 75 is provided above the first pulley 73.
Is fixedly provided. Further, a counter member 76 is provided on the fixed portion on the machine base 7 side by being mounted on a horizontal axis. The counter member 7
6 has an upper arm 77, a lower arm 78, and a lateral arm 79 integrally in the radial direction. Then, one end of the operation wire 80 is locked to the locking stay 75, and the operation wire 80 is connected to the first wire.
After being wound around the lower side of the pulley 73, the second pulley 74
And is hung on the upper end of the counter member 76 and locked to the tip of the lateral arm 79 of the counter member 76. Further, between the tip of the upper arm 77 of the counter member 76 and the tip of the left side clutch operation arm 68, and between the tip of the lower arm 78 of the counter member 76 and the tip of the right side clutch operation arm 68. Between each other, interlocking rod 8
1, 81. Further, at both end portions of the side clutch shaft 59, side brakes 82, 82 with which the left and right side clutch gears 60, 60 outer portions can be engaged are provided. With the above configuration, when the brake pedal 70 is depressed, the first pulley 73 descends due to the downward rotation of the arm 72, and the first pulley 73 and the second pulley 7
4 is separated. At this time, the one end of the operation wire 80 and the second pulley 74 are not moved relative to the machine base 7, and as a result, the other end of the operation wire 80 is pulled up. As a result, the lateral arm 79 is pivoted upward, and the upper arm 77 and the lower arm 78 integral with the lateral arm 79 are pivoted, and the interlocking rod 8 is rotated.
1, 81, the side clutch operating arm 68,
68 is rotated. As a result, the left and right slide shifters 65, 65 slide in opposite directions to disengage the left and right side clutch gears 60, 60 from the center gear 58, and then the side brakes 82, 8
2 is engaged. As a result, the transmission of the left and right side clutch gears 60, 60 and below is cut off, and the traveling devices 6,
6 is stopped. As described above, such a brake operation is performed by the pulling force of the operation wire 80 via the first pulley 73 and the second pulley 74, so that the brake pedal 70 can be depressed with a light operation force. 9 and FIG.
Is provided. That is, the control unit 10
An auxiliary step 83 is provided to facilitate getting on and off the vehicle. The auxiliary step 83 has its base portion pivotally attached to the inner wall of the outer surface 84 of the step 69, and is rotatable in and out of an opening 85 formed in the outer surface 84. And
The auxiliary step 83 is rotated upward by the pulling operation of the storage wire 86 connected to the intermediate portion, and is stored below the step 69. In the storage position of the auxiliary step 83, the outer end of the extension operation lever (operating tool) 87 is brought into contact with the rotation end of the auxiliary step 83. The extension operation lever 87 has a middle portion mounted on the lower surface of the step 69 on a horizontal axis, and is configured to be rotatable outwardly of the machine body against the pulling force of the return spring 88. By rotating the overhanging operation lever 87 to the outside of the body, the auxiliary step 83, which has been in contact with the outside of the lower end of the overhanging operation lever 87, is pushed outward, and is outwardly rotated through the opening 85. . As a result, the auxiliary step 83 enters a use state. In the storage state of the auxiliary step 83, the knob (operating tool) 89 of the storage wire 86 is locked by a locking member 90 provided above the step 69. With the above configuration, the auxiliary step 83 can be easily moved in and out while the operator is on the control unit 10.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory side view of a main part in one embodiment of the present invention. FIG. 2 is an explanatory front view of a main part in one embodiment of the present invention. FIG. 3 is a plan view for explaining an operation of a main part in one embodiment of the present invention. FIG. 4 is a partial explanatory view of one embodiment of the present invention. FIG. 5 is a partial explanatory view of one embodiment of the present invention. FIG. 6 is a side view of the combine according to the embodiment of the present invention. FIG. 7 is a plan view of a combine according to an embodiment of the present invention. FIG. 8 is a partial perspective view for explaining an embodiment of the present invention. FIG. 9 is a partial front view for explaining the embodiment of the present invention. FIG. 10 is a partial side view for explanation of an embodiment of the present invention. [Description of Signs ] 1 Running device 3 Cutting device 6, 6 Endless track type running device 7 Machine stand 8 Threshing device 9 Grain storage device 10 Operating section 32 Seat 69 Step 83 Auxiliary step 84 Outer side surface 87 Overhang operation lever (operation Tool) 89 Knob (operating tool)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A01D 67/00

Claims (1)

(57) [Claims] [Claim 1] A machine is provided above the endless track type traveling devices 6,6.
A table 7 is provided, and a threshing device 8 and a grain storage
A setting device 9 and a control unit 10 are provided, and a mowing device is provided in front of the threshing device 8.
3 is provided, the at the lower front side of the seat 32 of the steering unit 10
A step 69 is formed above the machine base 7, and the step 69
9 Con which an auxiliary step 83 for getting on and off on the outside below the
At the vine, the machine
An opening 85 is formed above the outer surface 84 than 7, the outer
Rotationally assists the mounting portion provided inside the fuselage from the surface 84
Step 83 the auxiliary storage state and an opening 85 for the step 83 is accommodated enters in the opening 85 by attaching the
Outside the lower disposed freely switched to the protruding state overhangs downwardly from said machine base 7 of said retracted state the auxiliary step 83
Converter, characterized in that a manipulation tool 89,87 to switching operations and the protruding state upward from the step 69
Inn getting on and off device .