JPH0233472Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a working machine for harvesting and loading beans, corn, etc., and particularly relates to a conveyor device for loading the same.

(Prior technology) There is a device that is attached to a tractor as a pulse harvester, which is connected to the tractor via a three-point linkage mechanism, and cuts the crops growing in the field from the base of the plant, pulls it backwards, and also pulls it to the side. Some objects are transported in the opposite direction and fall to the ground (Conventional Example 1).

There is also a bean harvesting machine that is equipped with a wagon and stores the crops transported laterally in the wagon (Conventional Example 2).

(Problems to be solved by the invention) In Conventional Example 1, the crops were dried on the ground and then collected manually, which made it difficult and inefficient. .

In Conventional Example 2, the crops are stored in a wagon, so the work can be done efficiently, but since the harvester itself is equipped with a wagon,
Wagons for tractors had a limited capacity, making them unsuitable for large-capacity harvesting.

In this invention, a wagon with a dumping function is mounted on the bonnet of a tractor, for example, and the harvested crops are transported to the wagon by a conveyor device, thereby making it possible to harvest a large amount of crops. The purpose of this is to ensure ease of movement and road drivability by linking the lower end of the device with the raising and lowering of the reaping device.

(Means for Solving the Problems) The technical means taken by the present invention to achieve the above-mentioned object are characterized by the fact that a wagon 12 capable of loading and unloading crops is placed behind the seat 6 in the working direction. A reaping device 7 is connected to the tractor 1 via a three-point linkage mechanism 8 in front of the seat 6 so as to be movable up and down. Conveyor device 9 for lifting and conveying
The conveyor device 9 is divided into front and rear parts, and the front part is pivotally supported to the rear part via a horizontal shaft 80. is supported by the tractor 1 at the front lower side of the seat 6, the rear part is fixed to the tractor 1, and the front part of the front part is suspended from the reaping device 7 via a hanging tool 86. be.

(Operation) When the tractor 1 moves in the direction of the arrow 20, the crop A is harvested from the base of the plant by the cutter mechanism 49 in the reaping device 7, and in this example, two rows are harvested.

The harvested crop A is conveyed by the conveyance mechanism 41 in the reaping device 7 while being pulled up backward and diagonally as shown by the arrow 55 in FIG. 2, and further conveyed laterally as shown by the arrow 52 in FIG. and transferred onto the starting end of the conveyor device 9.

The crops transferred to the conveyor device 9 are conveyed in the direction of the arrow 79 and are received in the wagon 12 on the bonnet 13 via the chute 19 at the delivery end.

When the wagon 12 is filled with crops, the wagon 12 is dumped about the tilting fulcrum 15 in the direction of the arrow 16 in FIG. 1 by extending the tilting cylinder 17 of the wagon 12, and the container truck (not shown) is The crops will be housed in the area.

When wagon 12 is dumped, this wagon 12
The string 90 connecting the chute 19 and the chute 19 becomes loose, and the chute 19 is tilted as shown by the arrow 89 because its center of gravity 88 is located outward from the pivot point 21 as shown in FIG. As shown in the figure, the stopper 8 is in a state where interference with the wagon 12 is avoided.
7.

When loading and unloading from the wagon 12 to the container car is completed, the tilting cylinder 17 is retracted and the wagon 1
2 will return to its old position, but this wagon 1
Due to the return action of 2, the chute 19 is pulled by the string 90, and rotates around the pivot point 21 as indicated by the arrow 8 in FIG.
9, and the delivery end of the chute 19 corresponds to the upper side of the wagon 12 again.

In addition, when moving around the field, when the reaping device 7 is lifted up via the three-point link mechanism 8, the movable machine frame 74A of the conveyor device 9 is lifted up via the hanging tool 86.
is lifted along with the bent portion 80 as a fulcrum as shown by an arrow 87. Furthermore, during work, the hanging tool 85 loosens to protect the conveyor device 9 from obstacles in the field.

The fixed machine frame 74B from the bending part 80 (horizontal axis) to the chute 19 is fixed to the tractor 1 on the side of the seat 6, and the bending part 80 is located on the front lower side of the seat 6 and is connected to the conveyor. The crop A flowing through the refracting part of the device 9 can be visually observed.

(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIGS. 1 to 3, the overall configuration is illustrated.

In these figures, reference numeral 1 denotes a tractor, which is a two-axle, four-wheel type having front wheels 2 and rear wheels 3, and has a handle 5 between a pair of left and right rear wheel fenders 4, and a seat 6 corresponding to the handle 5. It is a reverse type.

Reference numeral 7 denotes a reaping device, which is connected to the rear of the tractor 1 via a three-point linkage mechanism 8 so as to be movable up and down.

9 is a conveyor device, which is installed along the vehicle body on one side of the tractor 1, and is located at the rear (feeding start end).
It has an inclined shape with a low front part (delivery end) and a high front part (delivery end), and is supported via a stay 10 from the rear wheel fender 4 and a stay 11 from the vehicle body.

Reference numeral 12 denotes a wagon, which is mounted on a bonnet 13 and supported via a support frame 14 so as to be tiltable in the direction of arrow 16 about a tilting fulcrum 15.
Reference numeral 7 denotes the tilting cylinders, which are provided in pairs on the left and right between the support frame 14 and the side wall of the wagon 12, and have gates 18 in this example.

Reference numeral 19 denotes a chute, which is supported by the conveyor device 9 at the delivery end of the conveyor device 9 via a pivot point 21 parallel to the work progress direction 20 shown in FIG. 2, and extends laterally inward. It is possible to correspond to the upper part of the wagon 12.

Details of the reaping device 7 will be explained with reference to FIGS. 5 and 6.

22 is a reaper frame, with a transmission case 2 in the center.
3, and a three-point link mechanism 8 at both left and right ends.
The transmission case 23 has a lower link attachment pin 24, a top mast 25 in the center for attaching the top link of the mechanism 8, and a power receiving shaft 26 in the transmission case 23.

Therefore, by connecting the PTO shaft of the tractor 1 and the power receiving shaft 26 with a universal joint shaft, each part can be driven.

A bevel gear mechanism 27 is built into the transmission case 23, and allows a pair of left and right horizontal shafts 28 and a pair of forward protruding shafts 29 to be interlocked with each other.

A sprocket wheel 30 is fixed to each of the horizontal shafts 28, and a chain 34 is hung between the sprocket wheels 33 of a pair of left and right relay transmission cases 32 having a bevel gear mechanism supported on the lower surface of the carrier frame 31. There is.

Each of the forward protruding shafts 29 is covered with a cylindrical shaft 35, and is interlocked with a bevel gear mechanism within a pair of left and right transmission cases 36 supported on the lower surface of the carrier frame 31.

The conveyor frame 31 consists of a pair of left and right straight rods 37 and a dogleg rod 38 connected to the straight rods 37. Each rod 37, 38 has its base end connected to the reaper frame 22, and each At the tips of the rods 37 and 38, a mounting frame 40 for the gauge wheel 39 shown in FIG. 1 is fixed.

Reference numeral 41 denotes a pair of left and right conveyance mechanisms, which include a sprocket wheel 42 on the transmission case 32 and a machine frame 22.
Upper sprocket wheel 43 and chain 44
The sprocket wheel 45 on the machine frame 31 and the wheel 42 are suspended by a chain 46. The chain 44 is used to drive the belt 47, and the chain 46 is used to drive the belt 48 and the cutter. It is used for driving the mechanism 49.

Pulleys 50 are each pivotally supported at the leading edge of the machine frame 31, and a belt 47 is endlessly wound around the pulleys 50 and a pulley 51 that is concentric with the wheel 43.

The belts 47 are a pair of left and right sides, each having a V-shaped opposing portion with a flared tip as shown in FIG.

An auxiliary conveyance mechanism 53 is provided between the opposite sides of the V-shape, and each endless belt 4 of this conveyance mechanism 53
8 and the belt 47 constitute a lifting conveyance section 55, and the crops can be conveyed in the direction of the arrow from the pair of left and right conveyance sections 55 to the aforementioned conveyance section 52 via the collecting section 54.

The auxiliary conveyance mechanism 53 includes a straight rod 56 attached to the transmission case 36, pulleys 57, 58 provided at both ends of the straight rod, and pulleys 57, 58.
It consists of a hanging belt 48 in between, and a pulley 5.
7 and 58 have scrapers 59 and 60, respectively, which can be driven via a bevel gear mechanism within the transmission case 36.

Further, the straight rod 56 is provided with a cutter bearing 61, which enables transmission between a pulley 62 on the transmission case 36 and a pulley 63 on the cutter bearing 61 with a belt, and one of the sawtooth circular cutters of the cutter mechanism 49 is connected to the pulley 62 on the transmission case 36 and the pulley 63 on the cutter bearing 61. 64 can be driven in the direction of arrow 65 around the vertical axis.

The other cutter 66 of the cutter mechanism 49 has a pulley 67 coaxial with the wheel 45 and a cutter bearing 6.
A belt 70 is hooked around a pulley 69 on top of the belt 8 so that the belt 70 can be driven in the direction of an arrow 71.

Therefore, the cutter mechanism 49 is the tip and the machine frame 3
1 is equipped with a front downward slope so that it can be raised and lowered freely via a three-point linkage mechanism 8, and the crop that has been harvested at the base of the plant with a cutter mechanism 49 is shown by the arrow 5.
5 to one side as shown by an arrow 52 via a collecting section 54.

Since the machine frame 31 is constructed of bar materials such as the straight rods 37 and 56, leaves, dirt, etc. that have entered through the cover 72 can easily fall to the ground.

The conveyance section 52 includes a belt 73 that circulates in the direction of the arrow, and is capable of conveying the crops to the starting end of the conveyor device 9.

Referring to FIGS. 7 and 8, the conveyor device 9
details are illustrated.

The conveyor device 9 consists of a groove-shaped machine frame 74, drums 75, 76 provided at both ends of the machine frame 74, and a belt 78 having a claw 77 suspended between the drums 75, 76. The crop is transported in the direction of 79.

The machine frame 74 has a bending part 80 in the middle part. Therefore, the lower end side is a movable machine frame 74A, the upper end side is a fixed machine frame 74B, and the fixed machine frame 74B is a stay 1.
It is supported by the vehicle body at 0.11.

The drum 75 is used for driving, and is supported by the movable machine frame 74A via a bearing 81 as shown in FIG. 7, and a reduction gear mechanism 82 is provided on one side of the bearing 81.

The input shaft 83 of the reduction gear mechanism 82 and the horizontal shaft 28 shown in FIG. 5 are interlocked via the universal joint shaft 84 shown in FIG.
and the reaping device 7 can both be driven via the tractor PTO shaft.

Reference numeral 85 denotes a hanging frame, which is fixed to the machine frame of the reaping device 7 as shown in FIG.
4A through a hanging tool 86 shown as a chain or wire.

Therefore, when the reaping device 7 is raised as shown by the arrow 87 via the three-point linkage mechanism 8 when turning in the field during work or when driving on the road, the hanging tool 8
6, the movable machine frame 74A is carried around the bending part 80, and when lowered, the reaping device 7 and the movable machine frame 74A are returned to the previous position in conjunction with each other.

Since it is driven by the universal joint shaft 84, the above-mentioned lifting and lowering can be done smoothly.

In addition, the hanging tool 86 is bifurcated and the movable machine frame 7
4A, and by using the hanging tool 86 as a chain or wire, it is also possible to escape obstacles to the ground or the like.

The chute 19 provided at the delivery end of the conveyor device 9 is constructed as shown in FIGS. 3, 4, 9, and 10.

That is, a horizontal shaft 85 projects rearward from the machine frame 74 of the conveyor device 9, and a bearing 86 provided on the bottom surface of the chute 19 is rotatably attached to this shaft 85. Furthermore, a stopper is attached to the shaft 85. 87 is installed.

The shaft 85 is a rotational fulcrum 21 of the chute, and the center of gravity 88 of the chute 19 is located outside of this rotational fulcrum 21, so that the delivery end of the chute 19 can be placed above the wagon 12.

In other words, since the center of gravity 88 of the chute 19 is located outward in the direction of the arrow 89 in FIG. In addition, by being hooked against the center of gravity 88 with the string 90, it can be placed above the wagon 12, and this position is regulated by the receiving surface 87B of the stopper 87, and this position is (loading) posture.

Then, the center of the bottom of the wagon 12 and the chute 19
is also connected to the extending end of the chute 19 by a string 90. Therefore, when the wagon 12 is dumped 16, the chute 19 is turned in the direction indicated by the arrow 89 to avoid interference with the wagon 12. When returning to the old position, the chute 19 is linked with the string 90 so as to return to the old position.

Note that in the configuration described above, the reaping device 7 is placed at the rear of the tractor 1 and the wagon 12 is placed at the front of the tractor 1, but this is a configuration in which the reaping device 7 is placed at the front and the wagon 12 is placed at the rear. It may be.

In addition, except for Fig. 2, 91 is for a tractor.
The PTO shaft 92 is its universal joint shaft.

In the present invention, based on the working direction, a wagon 12 is provided on the tractor 1 behind the seat 6, a reaping device 7 is connected to the front through a three-point link mechanism 8, and a wagon 12 is connected to the front of the tractor 1 via a three-point linkage mechanism 8, A conveyor device 9 is arranged, and this conveyor device 9
The movable machine frame 74A is divided into front and rear parts at 0 (horizontal axis).
The front portion including the drum 75 and the belt is pivotally supported via the bending portion 80 to be vertically swingable relative to the rear portion including the fixed machine frame 74B, the drum 76, the belt, etc., and the bending portion 80 supports the stay 10. The tractor 1, especially the fender 4, is located at the lower front side of the seat 6 through the
The rear portion is fixed to the tractor 1 via stays 10 and 11, and the front portion of the front portion is suspended from the reaping device 7 via a hanging tool 86.

(Effects of the invention) The present invention allows the reaping device 7 to be connected to the tractor 1 so as to be freely raised and lowered, and the wagon 12 to be equipped for loading and unloading crops. can be easily carried out, and the usability of the tractor 1 can be improved.In addition, the front part of the conveyor device 9, which is divided into two parts, the rear part of which is pivoted, and the front part of the conveyor device 9 can be attached to the reaping device 7 with a hanging tool 86. By suspending the reaping device 7 through the cable, the front section can be lifted simply by lifting the reaping device 7 when turning or avoiding collision with an obstacle, and an actuator for lifting the front section is not required. can be raised and lowered via the three-point linkage mechanism 8 using a hydraulic system permanently installed in the tractor 1, so the structure for lifting the front part can be easily configured. Since the conveyor device 9 is bent in two at the bending part 80), the operator can visually observe and pay attention to the crops A flowing through that part, and can monitor the crops for clogging, etc. Become,
Further, the rear portion behind the horizontal axis passes along the side of the seat 6, but since it is fixed to the tractor 1, safety can be improved compared to the case where it is moved up and down.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is an overall side view, Fig. 2 is a plan view of the same, Fig. 3 is a front view of the same,
Fig. 4 is an explanatory diagram when dumping a wagon, Fig. 5 is a detailed plan view of the reaping device, Fig. 6 is a side view of the same, Fig. 7 is a plan view of the starting end of the conveyor device, Fig. 8 is a side view of the same,
FIG. 9 is an explanatory perspective view of the chute support section, the first
Figure 0 is an explanatory diagram of the same operation. DESCRIPTION OF SYMBOLS 1... Tractor, 7... Reaping device, 8... Three-point link mechanism, 9... Conveyor device, 12... Wagon, 19... Chute, 74... Conveyor mechanism,
74A...Movable mechanism, 74B...Fixed machine frame, 86
... Hanging tool, 80 ... Bent part (horizontal axis).

Claims (1)

[Claims for Utility Model Registration] A wagon 12 capable of loading and unloading crops is provided on the tractor 1 behind the seat 6 in the working direction, and the reaping device 7 is attached to the tractor 1 through a three-point linkage mechanism 8 in front of the seat 6.
A conveyor device 9 is disposed on one side of the seat 6 to lift and convey the crops A harvested by the reaping device 7 to the wagon 12.
The conveyor device 9 is a reaping and loading work machine in which the front part is divided into front and rear parts and the front part is pivoted to the rear part via a horizontal shaft 80. A reaping and loading working machine characterized in that it is supported by a tractor 1, its rear part is fixed to the tractor 1, and its front part is suspended from a reaping device 7 via a hanging tool 86.