JP2003088225A - Traveling carrier of mobile farm machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem in which a supporting frame inserted between a carrying part of an operating vehicle and a traveling carrier is constituted so as to rotatably support a supporting member arranged in standing state on a machine body frame, and as a result, an installation space of the supporting member is required on a traveling machine base and number of parts is increased and cost rises. SOLUTION: This traveling carrier is obtained by providing a motor part 5 in which a transmission case 31, an engine 30, or the like, are arranged in front of the traveling machine base 1 installed on a traveling apparatus, protrusively installing a side frame 1a from the traveling machine base on one side of the motor part, installing a driving part 60 on the side frame and enabling installation of an implement on the traveling machine base. In the traveling carrier, a pair of left and right arch-like supporting frames 38 are arranged in a standing state from the traveling machine base on left and right both sides of the motor part, and the upper parts of these left and right supporting frames are connected to connecting frames 40, 42 and 43 and these frames are used as a rotating point 44 for the front implement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling cart for a mobile agricultural machine which can be equipped with a working machine such as a roll baler device or a root crop harvester.

[0002]

2. Description of the Related Art Conventionally, an engine is mounted on a front portion of a traveling machine base attached to a traveling device, a frame is projected from the traveling machine base on one side of the engine, and an operating section is provided on the frame. A technology in which a traveling vehicle is configured and a working machine is mounted on the traveling vehicle is known. For example, JP 20
Like No. 01-45820, an onion harvester was mounted on a traveling carriage, a digging device was arranged at the front of the machine body, and a sorting device and the like were located above the traveling machine base.

[0003]

However, the conventional traveling trolley is a dedicated traveling trolley adapted to the type of working machine, which is not versatile and increases the cost. When a front work implement is placed in the front part of the traveling carriage, a fulcrum base frame is erected from the traveling equipment base in order to provide a lifting / lowering fulcrum of the working implement, but at a position that avoids the engine, mission case, etc. Since it has to be installed upright, the load applied to the supporting position becomes unbalanced between the left and right, causing uneven wear, and there is a problem that the balance is lost during turning.

[0004]

The problem to be solved by the present invention is as described above, and the means for solving this problem will be described below. That is, in claim 1, a prime mover section in which a mission case, an engine and the like are arranged is provided in a front portion of a traveling machine base provided on the traveling device, and a side frame is provided on one side of the prime mover section from the traveling machine base. A traveling trolley in which a working unit can be placed on the traveling machine base by projecting the driving unit on the side frame, and a pair of left and right arch-shaped support frames are run on both left and right sides of the prime mover unit. It stands upright from the machine base, the upper portions of the left and right support frames are connected by a connecting frame, and the connecting frame serves as a pivot of the front working machine.

According to a second aspect of the present invention, a conveyance path is provided above the support frame and the connecting frame between the front working machine and the rear working machine.

According to a third aspect of the present invention, the lifting cylinder mounting portions of the front working machine are provided on the left and right sides of the front portion of the traveling machine base.

In the present invention, the traveling device is provided with a vehicle height adjusting mechanism.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described. 1 is a front view of a traveling vehicle according to the present invention, FIG. 2 is a plan view of the traveling vehicle, FIG. 3 is a side view of the traveling vehicle, FIG. 4 is a side view of the traveling vehicle equipped with a roll baler device, and FIG. Fig. 6 is a skeleton diagram of the transmission mechanism, Fig. 6 is a side view when the traveling carriage is equipped with an onion harvester, Fig. 7 is a partial side sectional view of the crawler type traveling device, and Fig. 8 is a partial side sectional view of the crawler type traveling device. 9 and 10 are partial plan views of the crawler type traveling device.

The construction of the traveling carriage will be described with reference to FIGS. The traveling machine base 1 is placed on top of the crawler type traveling devices 7L and 7R equipped with a pair of left and right crawlers, and the traveling machine base 1 is provided on the left and right vertical frames 1b and 1 parallel to the front-rear direction.
b, a plurality of horizontal frames 1c, 1c, ... horizontally fixed on the upper surfaces of the left and right vertical frames in parallel in the left-right direction, and a side frame 1a projecting sideways from one front side, The frame is constructed by welding and fixing each other. An engine 30 serving as a prime mover is mounted on a front portion of the traveling machine base 1, and a mission case 31 is arranged in front of the engine 30 and at a substantially left-right center portion of the front portion of the traveling machine base 1. A fuel tank 32, a tank for lubricating oil, a hydraulic valve unit 34, and the like are arranged on one side of the engine 30, and a power take-out counter case 35 for driving a working machine is provided on the traveling machine base 1 behind the fuel tank 32. Is provided. On the other side of the engine 30, a radiator 36 for cooling the engine and a cooling fan 37 are arranged, and thus the prime mover section 5 is configured. With the power from this engine 30,
The crawler type traveling devices 7L and 7R are driven to travel and turn, and the working machine can be driven. Further, the prime mover portion 5 is located in the center of the left and right in the front portion of the traveling machine base 1 to improve the weight balance.

At the front part of the traveling platform 1, there are erected support frames 38, 38, which are arch-shaped in a side view, from the left and right sides of the engine 30. A first connecting frame 40 is laterally connected to the front portions of the left and right supporting frames 38, 38 via supporting plates 39, 39, respectively. further,
The second connecting frame 42 is also fixedly connected to the rear portions of the left and right supporting frames 38, 38 via the supporting plates 41, 41. The first connecting frame 40 and the second connecting frame 42 are arranged in parallel, and the third connecting frame 43.
43 is horizontally provided in the front-back direction. Thus the traveling platform 1
The prime mover section 5 is placed on the support frame 38.3.
8, the first connecting frame 40, the second connecting frame 42, and the third connecting frame 43 surround the periphery of the prime mover portion 5 to improve rigidity and protect the same.

A supporting member 47 is fixedly mounted on the third connecting frame 43 so that a rotation fulcrum 44 of a mounting frame 24 provided on a front working machine described later can be mounted on the supporting member 47. . In this way, the front working machine and the transport path can be supported at substantially the center of the traveling platform 1.
The transport path can be used over the entire width of the traveling platform 1, and the operation unit 60 is arranged on the side thereof. A side cover 48 is detachably attached to the outside of the support frame 38 on the side where the fuel tank 32, the hydraulic valve unit 34, etc. are arranged to cover the side surface of the prime mover section 5. Further, a side column 66 is erected from the side frame 1a outside the support frame 38 on the driving section 60 side,
The side column 66 also serves as a side cover of the prime mover section 5. Further, the horizontal frame 1c formed at the front end of the traveling machine base 1 is provided with mounting portions 1d and 1d which project the stay forward so as to mount the base portion of the hydraulic cylinder for moving up and down the front working machine.

The operating unit 60 is disposed on the side frame 1a extending outside the traveling platform 1. A step plate 61 is stretched on the front portion of the operating unit 60, and the step plate 61 is attached. A handle column 62 is erected at a substantially central portion of the front part, and a round steering handle 63 is provided on the upper surface thereof. A driving seat 64 is provided behind the steering handle 63, and a protector 65 is rotatably erected on the side of the steering seat 64 at the outer rear part of the driving portion 60. In addition, the support frame 3 is provided inside the step plate 61.
A side column 66 is erected right beside 8 and a main transmission lever 67, an auxiliary transmission lever 68, a work clutch lever 69, etc. are provided on the upper surface of the side column 66.

A step 70 for getting on and off the operator is provided between the side frame 1a of the traveling platform 1 and the step plate 61 on the outside of the front of the operating unit 60, and the step 70 of the traveling platform 1 is provided in front of the operating unit 60. Side frame 1a and step plate 61
A front cover 71 is provided between the front cover 71 and the front cover 71, and a protector 72 for protecting the front portion of the control unit 60 is attached below the front cover 71. Also, driving seat 6
The protector 65 provided on the side of 4 is formed in a hollow shape, the outer surface of the upper side of the step plate 61 is made into a mesh, and the inner surface between the step plate 61 and the side frame 1a of the traveling machine stand 1 is opened, and the step plate is opened. The outside air is introduced into an outside air introduction duct provided together with an air cleaner (not shown) between 61 and the side frame 1a of the traveling platform 1. In addition,
A battery (not shown) is also housed between the step plate 61 and the side frame 1a of the traveling platform 1.

Further, the pair of left and right crawler type traveling devices 7L and 7R are, as shown in FIGS.
・ The height of 12 ... can be changed, the horizontal tilt angle of the traveling platform 1 can be changed, and the aircraft can be controlled to be kept horizontal or to be maintained at an arbitrary angle. You can That is, the axle 6 projects to the left and right at the lower part of the mission case 31, and the drive sprocket 10 is fixedly mounted on the axle 6. On the other hand, a track frame 79 is connected to the traveling machine base 1 via a swing link mechanism 82 described later, and a plurality of idle wheels 12 are connected to the track frame 79.
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The crawler belt 83 made of rubber is wound around the outer peripheral surface of the crawler type traveling device 7.

Referring to FIGS. 8 and 9, the swing link mechanism 8 is described.
2 will be described. Connecting horizontal frames 84 and 85 are fixedly installed at the front lower part and the rear lower part of the traveling platform 1, and the connecting horizontal frames 8
Support shafts 88 and 89 are horizontally mounted on bearings 86 and 87 on 4.85. The central portions of the front and rear bell crank links 13a and 13b, which are swing links, are pivotally supported by both the front and rear support shafts 88 and 89, and the front and rear lateral pivots projecting from the track frame 79 at the lower rear portion of the bell crank links 13a and 13b. The support shafts 90 and 91 are pivotally supported. A connecting member 92 is interposed between the upper portions of the bell crank links 13a and 13b,
Attitude control elevating cylinders 15L and 15R as an elevating actuator are connected to the connecting member 92, and the elevating cylinders 15L and 15R are connected to the traveling platform 1 via stays 96. By expanding and contracting the lifting cylinders 15L and 15R, both bell crank links 13a and 1
3b is rotated around the support shafts 88 and 89, and the track frame 79 is moved up and down with respect to the traveling machine base 1. At this time, the vehicle height of the aircraft is adjusted by raising and lowering the track frames 79 of the left and right crawler type traveling devices 7R and 7L in the same direction, and horizontal control is performed by raising and lowering the left and right track frames 79 separately. is there.

As shown in FIGS. 8 and 9, the connecting member 92 includes a front connecting rod 14a, a turnbuckle 14b, a rear connecting rod 14c, a bracket 93 fixed to one end of the front connecting rod 14a, and a rear connecting member. The other end (rear end) of the rod 14c is composed of a fixed connection plate 95, and the bracket 9
3 is connected to the bell crank link 13a via a pivot pin 94, and the connecting plate 95 is connected to the bell crank link 13b via a connecting pin 99.

Attitude control lift cylinders 15L and 15R as lift actuators are mounted on the connecting plate 95.
Is connected to the operation side (extendable rod), and the attitude control lift cylinders 15L and 15R are provided with stroke sensors 17L and 17R for detecting the extension and contraction operation of the cylinders to extend and retract the attitude control lift cylinders 15L and 15R. Is detected, and the detected value is input to a controller 18 to be described later to be calculated and the amount of rotation of the bell crank links 13a and 13b, that is, the vehicle height is obtained. Further, as shown in FIG. 7, a horizontal sensor 16 is arranged at an appropriate position of the traveling machine base 1, and the horizontal sensor 16 detects the horizontal inclination angle of the traveling machine base 1. In this way
If the tilt angle of the machine body is detected by the horizontal sensor 16 and the tilt angle is different from the tilt angle set by the setting device provided in the operation unit, the attitude control lift cylinders 15L and 15R are driven so that the set angle is reached. Control.

Next, the structure in which the traveling vehicle configured as described above is equipped with a working machine will be described. First, a traveling carriage equipped with a roll baler device 50 as a working machine will be described with reference to FIGS. 1 to 5. The working machine equipped on the traveling carriage is not limited to the roll baler device 50, and an onion harvester 80 or the like can be used as shown in FIG. The roll baler device 50 is a crawler type traveling device 7.
Placing the flare reaper 2 as a front working machine in front of
A baler chamber 4 is arranged as a rear working machine on the rear part of the traveling platform 1, and a conveying duct part 3 is arranged as a conveying path between the flare reaper 2 and the baler chamber 4, and the conveying duct 3 is used as the prime mover part. 5, that is, above the support frame 38 and the connecting frames 40, 42, 43.

The flare cutting section 2 has flare blades 2c, 2c ... 2c horizontally mounted on a cover 2a in the horizontal direction and attached to the drive shaft 2b by horizontal pins.
Are arranged radially with a predetermined gap and a predetermined angular position offset,
In the cover 2a, a fixed blade 2d is horizontally attached to a flare blade 2c.
It is installed side by side. The flare blades 2c are formed in a plate shape, and by rotating the drive shaft 2b, the flare blades 2c, 2c, ... Are oriented in the radial direction by centrifugal force, so that the forage crops (culms) in a napped state are moved by the flare blades 2c. In addition to cutting by rotation, it also cuts with the fixed blade 2d, and is further blown by the rotation of the plate-shaped flare blade 2c, and the cutting culm jumps up in the transfer duct part 3 which is the transfer path of the working machine. It is conveyed and conveyed, and is thrown into the inside of the baler chamber 4 at a stretch.

The front portion of the transport duct portion 3 is communicated with the rear portion of the flare reaping portion 2, and the transport duct portion 3 has an inverted "J".
The transport duct portion bypasses the engine 30 and the mission case 31 disposed on the side of the operating portion 60 and extends rearward and upward, and the upper rear end of the transport duct portion 3 is the operating portion. Extends over the sides of 60. Then, the rear portion of the transport duct portion 3 is inserted on the front portion of the baler chamber 4 as a charging portion 3a. In this way, the flare reaper 2
To the baler chamber 4 are formed in a straight line.

The flare cutting section 2 and the transport duct section 3 are integrally formed, and an elevating cylinder 23 is interposed between the side surface of the transport duct section 3 and the mounting section 1d at the front of the traveling machine base 1. By expanding and contracting the elevating cylinder 23, the flare reaper 2 can be moved up and down and its height can be adjusted. A mounting frame 24 is fixed to the rear surface of the transport duct portion 3, and the mounting frame 24 is provided at a connecting portion between the second connecting frame 42 and the third connecting frame 43. Is rotatably supported around
The flare mowing unit 2 is configured to be rotated up and down, and the raising unit 3a is inserted into the baler chamber 4 when rising. This eliminates the need for components that support the mounting frame 24, so that the dead space on the traveling machine base 1 can be effectively used, the number of components can be reduced, and the cost can be reduced.

The baler chamber 4 is composed of an open-side housing 4a and a fixed-side housing 4b, which are formed in a split shape in the first and second halves, and the fixed-side housing 4b is fixedly mounted on the traveling machine base 1 and the open-side housing 4b. A front portion of the body 4a and a rear portion of the fixed-side housing 4b are pivotally connected by a pivot shaft 25, and an open cylinder 9 is provided at an upper portion between the both.
The open side housing 4a can be opened and closed by driving the open cylinder 9 to expand and contract.

Further, inside the baler chamber 4, in order to form the feed crop into a cylindrical shape, a plurality of rotating rollers 19, 19 ... Are provided in a circular shape in a side view along the inner circumference of the baler chamber 4. By rotating the rotating rollers 19 and 19 ..., the feed crops put into the inside of the baler chamber 4 rotate as a whole, and newly fed feed crops are wound around the outer circumference one after another. Then, the diameter of the feed bale is gradually increased to form a feed bale.

Then, when the diameter of the feed bale grows to fill the inside of the baler chamber 4, the open side casing 4a tries to open, and the pressure is detected by the sensor, and the operating section 6
The alarm device provided in 0 is operated or displayed to let the operator recognize it, the cutting work is stopped, and a bundling device attached to the baler chamber 4 is used to wind a string around and fix the bale to bind it. . When the binding work is completed, the open side housing 4
Open a and release the veil to the field.

The engine 3 provided on the traveling platform 1
As shown in FIG. 5, the power from 0 is transmitted to the transmission case 31, the counter case 35, and the work machine transmission case 33 from the output pulley fixedly provided on the output shaft 30a via the belt transmission mechanism. Power is transmitted from the transmission case 31 to the drive sprocket 10 to drive the crawler type traveling devices 7L and 7R, and the counter case 3
5 drives the rotary rollers 19, 19 ... Arranged in the baler chamber 4 via the belt transmission mechanism, and the working machine speed change case 33 rotationally drives the flare blade 2c via the belt transmission mechanism.

When the onion harvester 80 is mounted on the traveling carriage, as shown in FIG. 6, the excavation section 52 is arranged in front of the traveling machine base 1 as a front working machine, and the traveling machine base 1 is installed. A sorting device 53 is arranged on the rear part as a rear working machine, and a conveying device 54 is arranged as a conveying path for the sorting device 53 and the digging part 52 sorting device 53. The digging unit 52 weeds the onion leaves, sandwiches and pulls them out, and transfers them to the transport device 54 to pass over the prime mover unit 5 while sandwiching the leaves.
Hand it over to the sorting device 53. In the sorting device 53, defective products are removed by an operator, non-standard products are separately stored, and non-defective products are stored in a rear storage container 55.

In the case of this onion harvesting machine 80 as well,
The mounting frame 24 is provided so as to project from the transfer device 54 toward the connecting frame side, and a rotation fulcrum 44 is provided with respect to the third connecting frame 43.
It is rotatably supported via. Then, it can be raised and lowered by the raising and lowering cylinder 23 interposed between the mounting portion 1d and the transfer device 54.

[0028]

Since the present invention is constructed as described above,
The following effects are achieved.

That is, as set forth in claim 1, a prime mover section, in which a mission case, an engine, etc. are arranged, is provided at the front of the travel stand provided on the traveling device, and the run stand is provided on one side of the prime mover section. A traveling trolley in which a side frame is projected from the side frame, a driving section is provided on the side frame, and a working machine can be placed on a traveling machine base, and a pair of left and right arch-shaped support frames are provided in the prime mover section. Stand up from the platform on both left and right sides,
The upper parts of the left and right support frames are connected by a connection frame,
Since the connecting frame is used as the turning fulcrum of the front working machine, the supporting frame that protects the prime mover and stands upright can be used as the turning fulcrum, and the upper space can be effectively used and the number of parts is reduced. The cost can be reduced. In addition, it is possible to attach several types of working machines, and it is possible to increase versatility.

According to a second aspect of the present invention, since the transfer path provided between the front work machine and the rear work machine is provided above the support frame and the connection frame, the rear work machine is provided from the front work machine via the transfer path. Since it is possible to arrange the front and rear straight lines, it is possible to omit a structure for avoiding an operating part and the like and form a transport path having a simple structure.

Since the lifting cylinder mounting portions of the front working machine are provided on the left and right sides of the front portion of the traveling machine base as described in claim 3, the front working machine can be easily attached and detached. It is possible to increase the lifting distance of.

Since the vehicle height adjustment mechanism is provided in the traveling device as described in claim 4, it becomes possible to perform the work accurately without being influenced by the unevenness of the field scene by performing the horizontal control. The height of the center of gravity of the machine body can be properly maintained, stable traveling performance can be secured during work, and fall can be prevented.

[Brief description of drawings]

FIG. 1 is a front view of a traveling vehicle according to the present invention.

FIG. 2 is a plan view of a traveling carriage.

FIG. 3 is a side view of the traveling carriage.

FIG. 4 is a side view of a traveling carriage equipped with a roll baler device.

FIG. 5 is a skeleton diagram of a power transmission mechanism.

FIG. 6 is a side view of the traveling cart equipped with an onion harvester.

FIG. 7 is a partial side sectional view of a crawler type traveling device.

FIG. 8 is a partial side sectional view of a crawler type traveling device.

FIG. 9 is a partial plan view of the crawler type traveling device.

[Explanation of symbols]

1 traveling platform 7 traveling device 30 engine 31 mission case 35 power take-out counter case 38 Support frame 40 First connection frame 42 Second connection frame 43 Third connection frame 60 Driving Department

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B62D 21/18 B62D 21/18 C (72) Inventor Kenji Ohara 428, Enami, Okayama Seirei Industrial Co., Ltd. In-house F term (reference) 2B072 AA03 BA30 DA05 EA06 FA01 FA07 FA08 FA09 GA18 2B076 AA07 BA03 BB02 CA04 CC02 CC14 CC14

Claims (4)

[Claims] 1. A front portion of a traveling platform provided on the traveling device,
Providing a prime mover section in which a mission case, an engine, etc. are arranged, a side frame is projected from one side of the prime mover section from a traveling machine base, an operating section is provided on the side frame, and a working machine is mounted on the traveling machine base. In a traveling carriage that can be placed, a pair of left and right arch-shaped support frames is erected from the traveling machine stand on both left and right sides of the prime mover section, and upper portions of the left and right support frames are connected by a connecting frame, A traveling trolley for a mobile agricultural machine, wherein the connecting frame is used as a fulcrum of rotation of the front working machine. 2. The traveling trolley for a mobile agricultural machine according to claim 1, further comprising: a transportation path provided between the front working machine and the rear working machine above the support frame and the connection frame. 3. The traveling trolley for a mobile agricultural machine according to claim 1, wherein lifting cylinder mounting portions for a front working machine are provided on both left and right front portions of the traveling pedestal. 4. The traveling cart for a mobile agricultural machine according to claim 1, wherein the traveling device is provided with a vehicle height adjusting mechanism.