JP3596067B2 - Combine dumping auger - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a combine dumping auger, which takes out and transports harvested grains stored in a Glen tank outside the machine.
[0002]
2. Description of the Related Art
There is a mode in which a part of the spiral is polymerized in order to expand and contract the combine auger auger (JP-A-63-279719, JP-A-1-121340, etc.). Since it is polymerized heavily, a special spiral configuration is required, and the driving resistance at the time of expansion and contraction is large, making it difficult for smooth expansion and contraction operations to be performed.
[0003]
[Means for Solving the Problems]
The present invention provides a mowing device 7 that cuts and transports grain culms on a chassis 6 having a crawler 5, a threshing device 8 that receives and transports grain hulls, and a grain that accommodates threshed grains. A tank 9, a vertical auger 11 for transferring grains discharged backward by a bottom auger 10 at the bottom of the Glen tank 9, and a dumping auger 12 connected to an upper end of the vertical auger 11 are provided. In the combine, the vertical auger 11 is configured to be pivotable and determine the horizontal position of the dumping auger 12, and the dumping auger 12 is configured to be able to change its angle in the vertical direction by a telescopic cylinder 14, The dumping auger 12 is composed of a base tube 15 connected to the vertical auger 11 and a zoom tube 16 which is fitted on the outer periphery on the distal end side and can be expanded and contracted. 17 The helical shaft 18 having the helical shaft 18 is mounted, and the helical shaft 4 composed of a square shaft is fitted in the helical shaft 18 in the zoom cylinder 16, and the helical shaft 4 is integrated with the zoom cylinder 16. When a plurality of spiral bosses 2 each having a fixed length and having a spiral 1 formed on a peripheral surface thereof are inserted along the spiral shaft 4, the spiral boss 2 is movable in the longitudinal direction of the spiral shaft 4 but is rotatable. The helical bosses 2 are integrally rotated in the direction, and a spring 3 of a fixed length is interposed between the helical bosses 2 so that the phases of the respective helical 1 at the time of connecting the respective helical bosses 2 are continuous. is not configured, the further the respective spring 3, characterized in that the rewritable configuration accommodated in the cylinder portion 30, is always the spring (3) Notwithstanding the movement of each helical boss 2 is configured so as not to be exposed Combine dumping auger configuration.
[0004]
[Action and effect of the invention]
When the zoom cylinder 16 of the auger auger 12 is expanded or contracted, the cylindrical body on which the spiral boss 2 is mounted and the spiral shaft 4 are both extended and contracted in the axial direction, so that the distance between the spiral bosses 2 of the spiral shaft 4 is increased. Can be expanded or contracted by the tension of the spring 3 or against the tension, so that the length can be adjusted or the storage length can be changed. Regardless of whether the interval between the spiral bosses 2 is increased or shortened, the grain transfer can be performed by rotating the spiral shaft 4.
[0005]
In this way, the distance between the spiral bosses 2 is expanded and contracted by expanding and contracting the spiral bosses 2 mounted on the spiral shaft 4 against the springs 3, so that the spiral shafts 4 and the spiral bosses 2 expand and contract. Can be performed smoothly and quickly, the configuration can be simplified, and the configuration can be reduced in price.
In addition, when the spiral bosses 2 that are expanded and contracted along the spiral shaft 4 are connected to each other in close proximity to each other, one surface of each spiral is continuously formed, and the exposure of each spring 3 is reduced, Smooth and efficient transfer can be achieved by a series of smooth spiral transfer surfaces.
In addition, since each spring 3 is configured to be accommodated in the cylindrical portion 30 and configured so that each spring 3 is not always exposed irrespective of the movement of each spiral boss 2, the transport resistance is reduced.
[0006]
【Example】
The combine is mounted on a chassis 6 having a crawler 5, on which a harvesting device 7 for harvesting and transporting the grain culm, a threshing device 8 for receiving and grain-threshing the transported grain culm, a Glen tank 9 for accommodating threshed kernels, There are provided a vertical auger 11 for transporting grains discharged backward by a bottom auger 10 at the bottom of the Glen tank 9 and a waste auger 12 connected to the upper end and capable of being transported horizontally. 13 is a cockpit.
[0007]
The vertical auger 11 is pivotable to determine the horizontal position of the dumping auger 12, and the dumping auger 12 can be vertically angled at its upper end by a telescopic cylinder 14. It has a vertical auger 11 and a bottom auger spiral.
The dumping auger 12 has a base tube 15 connected to the vertical auger 11 and a zoom tube 16 that can be fitted and contracted to the outer periphery of the distal end side. and JikuSo the helical shaft 18 having a 17, in the zoom barrel 16, the spiral shaft 4 made of telescopic square shaft to the spline shaft fitted to the helical axis 18 and JikuSo, the zoom barrel 16 It can be expanded and contracted integrally.
[0008]
Along the helical axis 4 and fitted helical boss 2 of predetermined length, although the direction of the spiral shaft 4 is movable in the rotating direction is configured to rotate integrally. Further, a spring 3 having a fixed length is interposed between the spiral bosses 2. A spiral 1 is formed on the outer periphery of each spiral boss 2.
Reference numeral 19 denotes a discharge port at the tip of the zoom cylinder 16, reference numeral 20 denotes a screw rod which expands and contracts the zoom cylinder 16 with respect to the base cylinder 15, rotatably supports the bracket 22 of the base cylinder 15, and is driven by forward and reverse rotation of the motor M1. The distal end is screwed into the bracket 21 on the zoom cylinder 16 side. Reference numeral 23 denotes a bearing metal which is provided in the distal end of the base cylinder 15 and bears the distal end of the spiral shaft 18.
[0009]
A slightly large-diameter bearing cylinder 25 is provided at the distal end of the base cylinder 15, and the zoom cylinder 16 is fitted over the outer periphery of these bearing cylinders 25 to smoothly guide the expansion and contraction. The bearing metal 23 is attached to the inner periphery of the bearing cylinder 25 on the distal end side.
Each of the spiral bosses 2 is fitted to a spiral shaft 4 having a square cross section of each of the spiral bosses 2 so as to continuously form a series of one spiral surface in a shortened state. The helical boss 2 has a hollow portion 29 formed to receive the spring 3 in the front and rear direction. When the boss is shortened, the hollow portion 29 is closed so that the spring 3 is not exposed, and the spring 3 is less exposed. ing.
[0010]
5 and 6, the difference from the above example is that a small-diameter cylindrical portion 30 at the opposite end is fitted into the hollow portion 29 at one end of each of the spiral bosses 2 so as to move in the direction of the spiral shaft 4. The spring 3 is accommodated in the hollow portion 29 and the cylindrical portion 30, so that the spring 3 is not always exposed regardless of the expansion (FIG. 5) and contraction (FIG. 6) of each spiral boss 2, thereby reducing the transport resistance. It has a configuration that can be used.
[0011]
A cylinder 25 having a slightly larger diameter is fixedly provided at the distal end of the base cylinder 15, and the zoom cylinder 16 is inserted into the outer periphery of the cylinder 25 and guided to expand and contract. The bearing metal 23 is mounted on the inner periphery of the cylindrical body 25.
In FIG. 7, the point different from the above example is that a square-hole bearing metal 32 which is fitted to the tip end of the helical shaft 18 of the base cylinder 15 with the bearing 31 interposed in the bearing metal 23 is fitted and welded. The bearing metal 32 is inserted into the bearing 31 from the helical shaft 18 side, and a retaining ring 33 is fitted on the peripheral surface of the bearing metal 32 on the helical shaft 4 side. And easy assembly. The spiral shaft 4 on the side of the spiral boss 2 is driven by the rotation of the spiral shaft 18 side by fitting into a square hole of the bearing metal 32 as a square axis.
[0012]
8, the difference from the above example is that the diameter of the spiral 1 on the spiral shaft 4 in the zoom barrel 16 is set to be larger than the diameter of the spiral D1 on the spiral shaft 18 in the base barrel 15, and The setting is made such that the conveying force of the grains is equal or the spiral 1 side is increased.
In FIG. 9, a different point from the above example is that, instead of the spring 3, a helical coil spring 34 also serving as a spiral coil is provided between the spiral bosses 2, and the space between the spiral bosses 2 is determined by the elasticity of the coil spring 34. And expands and contracts, and obtains a conveying force for the grain, thereby preventing a decrease in transfer efficiency.
[Brief description of the drawings]
FIG. 1 is a side view of a dumping auger unit.
FIG. 2 is a side view showing the operation.
FIG. 3 is an enlarged side view and a cross-sectional view of a part thereof.
FIG. 4 is a side view of the combine.
FIG. 5 is a side view showing another embodiment.
FIG. 6 is a side view showing the operation.
FIG. 7 is a side view showing another embodiment.
FIG. 8 is a side view showing a partly different embodiment.
FIG. 9 is a side view showing another embodiment.
[Explanation of symbols]
1 Spiral 2 Spiral boss 3 Spring 4 Spiral shaft
5 crawlers
6 chassis
7 Harvester
8 threshing equipment
9 Glen tank
10 bottom auger
11 vertical augers
12 auger auger
14 telescopic cylinder
15 base cylinder
16 zoom cylinder
17 spirals
18 spiral axes
30 cylinders

Claims (1)

A cutting device 7 that cuts and transports grain culms on a chassis 6 having a crawler 5, a threshing device 8 that receives and transports grain hulls, and a grain tank 9 that stores threshed grains; In a combine provided with a vertical auger 11 for transferring the grain discharged backward by a bottom auger 10 at the bottom of the Glen tank 9 and a waste auger 12 connected to an upper end of the vertical auger 11, The vertical auger 11 is rotatable and determines the horizontal position of the dumping auger 12, and the dumping auger 12 is configured to be able to change the vertical angle by a telescopic cylinder 14. Is composed of a base cylinder 15 connected to the vertical auger 11 and a zoom cylinder 16 which can be extended and contracted by fitting to the outer periphery of the distal end side. The base cylinder 15 has a spiral 17 on the outer peripheral surface. Spiral A helical shaft 18 composed of a square axis is fitted in the helical shaft 18 in the zoom cylinder 16, and the helical shaft 4 can be moved integrally with the zoom cylinder 16. When a plurality of spiral bosses 2 each having a fixed length and having a spiral 1 formed on a peripheral surface thereof are inserted along the spiral shaft 4, the spiral boss 2 is movable in the longitudinal direction but integrated in the rotational direction. The spiral bosses 2 are provided with a spring 3 of a fixed length interposed therebetween, and the spiral bosses 2 are connected so that the phases of the spirals 1 are continuous. Further, each of the springs 3 is housed in a cylindrical portion 30 and is configured such that each of the springs 3 is not always exposed irrespective of the movement of each of the spiral bosses 2. .

Images