JP4426914B2 - Combine - Google Patents

Description

  The present invention relates to a combine, and more particularly to a drive structure for a grain discharger of a grain tank combine.

  Conventionally, in this type of combine, the grain in the grain tank is configured to be driven out of the machine by driving the discharge auger, but when transmitting power to the discharge auger, the front side of the grain tank Then, power from a separate hydraulic motor is input to the outer pulley at the tip of the horizontal spiral provided at the bottom of the Glen tank via the drive case, and transmitted to the vertical spiral side at the end of the horizontal spiral. What was made to perform is known (for example, refer patent document 1).

JP-A-10-271909

  However, in the thing of the said patent document 1, since the said drive case is arrange | positioned on the driving | running | working frame by the front part side of a glen tank, when the maintenance in the said drive case is required, it is a machine body side part. The large grain tank just behind must be opened and closed on the outside of the fuselage, centered on a sturdy vertical spiral cylinder behind it, and at that time, a belt (chain) etc. that is stretched around the pulley at the end of the horizontal spiral However, it was necessary to perform the desorption operation each time, and the operation was troublesome and the workability was poor.

  Therefore, the present invention solves the above-described conventional problems, improves the workability by performing good maintenance in the drive device that drives the discharge auger, and connects the drive device to the power transmission portion of the discharge auger. It provides a combine that can be accurately and easily performed.

The present invention according to claim 1 includes a grain tank (3) and a discharge auger (4) for discharging the grains in the grain tank (3), and the discharge auger (4) further includes the grain tank. A horizontal helix (11) for conveying the grains in the tank (3) in the horizontal direction and a vertical helix (14) for conveying the grains from the horizontal helix (11) upward, the vertical helix (14) and the lateral spiral (11) are combined by the power transmission device (6).
The power transmission device (6) interlocked with the horizontal spiral (11) is housed, and a lower case of the vertical spiral (14) is formed, and a takeover case (10) supported by the body frame (2);
Comprising a, a drive device (7) for driving the discharge auger (4),
The drive device (7) includes a discharge motor (26), a transmission shaft (30) for transmitting power to the longitudinal spiral (14), and a transmission device for interlocking the discharge motor (26) and the transmission shaft (30). The transmission device (31) and the transmission shaft (30) are rotatably supported and housed in a case (21), and the discharge motor (26) is accommodated in the case (21). A unit structure with a single mounting
Drive of the integral case (21) (7) mounted detachably from below to the body frame (2), formed by consolidated the transmission shaft (30) to said longitudinal spiral (14),
This is the combine having the first feature.

The invention according to claim 2, wherein the takeover case (10) has a support boss which is attached to the body frame (2) in its lower (20),
The case (21) of the drive device (7) has a protruding boss portion (21A) so as to surround the transmission shaft (30),
The protruding boss portion (21A) is fitted to the inner peripheral surface of the support boss (20), and is connected to the protruding portion (30A) of the transmission shaft (30) and the connecting portion (16).
This is in the combine having the second feature.

  In addition, although the code | symbol in the said parenthesis is for contrast with drawing, it has no influence on a claim by this.

  According to the first aspect of the present invention, since the discharge auger is driven by interlocking the power from the drive device having the discharge motor with the vertical spiral, the troublesome work such as removing and attaching the belt when opening and closing the glen tank The workability can be improved without the need to perform the operation.

  In addition, since the drive device is integrally formed with the case and can be easily attached and detached from below the machine body frame, maintenance of the drive device can be easily performed without opening the glen tank.

  According to the second aspect of the present invention, the projecting boss portion of the case is fitted to the inner peripheral surface of the support boss of the takeover case and the drive device is attached, so that the centering of the transmission shaft and the connecting portion of the vertical spiral can be accurately performed. It can be done easily.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. 1 and 2 are schematic views of the main part of the combine. FIG. 1 is a left side view and FIG. 2 is a rear view. That is, a large Glen tank 3 that is long in the traveling direction of the airframe is mounted on the right side of the combiner body 1 on the airframe frame 2, and the grains in the Glen tank 3 are located on the lower rear side of the Glen tank 3. There is a power transmission device 6 that connects the lower part of a sturdy vertical spiral cylinder 5 that constitutes a part of the discharge auger 4 that discharges the gas to the outside of the machine. The power of the direction is linked. A lower case side of the vertical spiral cylinder 5 is a takeover case 10 that houses the power transmission device 6.

  Further, below the power transmission device 6, a drive device 7 to be described later for driving the discharge auger 4 is mounted. Furthermore, a pair of left and right traveling devices 8 and 8 made of crawlers are provided below the body frame 2.

  Reference numeral 9 in FIG. 1 is a support rod for supporting the upper side of the Glen tank 3 to the vertical spiral cylinder 5 when the Glen tank 3 is opened or closed to perform maintenance or the like on the back side of the Glen tank 3. The glen tank 3 is pivotably mounted on the vertical spiral cylinder 5 together with the lower case 10 so that the grain tank 3 can be opened and closed outside the combine machine body 1 around the vertical spiral cylinder 5.

  Further, the lower side 3A portion of the Glen tank 3 has a funnel shape from both sides as it goes downward as apparent from the rear view of FIG. 2, and the grains stored in the Glen tank 3 Are always gradually filled from the lower side 3A portion, collected by the lateral spiral 11 described later provided on the bottom 3B of the lower side 3A portion at the end of the power transmission device 6 and conveyed by the power transmission device 6 The direction is changed to the vertical direction and transmitted.

  Next, FIG. 3 is a side sectional view of the periphery of the power transmission device 6. The lateral spiral 11 has a plurality of spiral blades 12 around a rotating lateral spiral shaft 11A. The grains in the grain tank 3 are conveyed to the power transmission device 6 side by the rotating spiral blades 12.

  And the end part of the said horizontal spiral shaft 11A is equipped with the towing blade 13, and it picks up the grain collected in the terminal storage part T of the said horizontal helix 11, and conveys in the arrow direction of a figure It is.

  On the other hand, in the inside of the vertical spiral cylinder 5, there is a long vertical spiral 14 on the upper side, which is configured to have a plurality of spiral blades 15 around the vertical spiral shaft 14A. The grains are taken up from the horizontal spiral 11 by the rotation of the vertical spiral shaft 14A and are lifted and conveyed upward in the vertical direction.

  Then, the rotational power to the vertical helical shaft 14A is taken out from the lower drive device 7 as will be described later, and the intermediate joint shaft 18 supported by the pair of upper and lower bearings 17 and 17 through the connecting portion 16. From the intermediate joint shaft 19 thereabove.

  Here, the takeover case 10 has a support boss 20 attached to the machine body frame 2 below, so that the shaft centering at the time of connection with the power drive source of the connecting portion 16 located inside is possible. It is designed to be done accurately.

  That is, the outer diameter of the support boss 20 is a dimension that matches the inner diameter of the lower end of the vertical spiral cylinder 5, while the case 21 for transmitting the power of the drive device 7 described later has a transmission shaft described later. The projecting boss portion 21A has a projecting boss portion 21A so as to surround 30, and the projecting boss portion 21A has an outer diameter that matches the inner diameter of the support boss 20. Positioning of the helical cylinder 5 and the protruding boss portion 21A of the transmission case 21 is facilitated, and the drive device 7 that is a power drive source and the takeover case 10 are smoothly fitted.

  Further, the rotational power to the horizontal spiral shaft 11A is performed by meshing between the bevel gear 22 fitted in the middle portion of the upper intermediate joint shaft 19 and the bevel gear 23 fitted in the end portion of the horizontal spiral shaft 11A. Contrary to the case where the power transmission to the lateral helical shaft 11A is a normal device, the input portion is configured on the terminal side.

  Next, the structure of the drive device 7 that is the power drive device of the discharge auger 4 will be described based on the overall perspective view of FIG. 4 and the overall longitudinal sectional view of FIG. Power is generated by injecting and discharging into the discharge motor 26, and the output shaft 27 (see FIG. 5) directed downward is rotated and transmitted to the drive gear 28 and the driven gear 29 as the transmission device 31. It is transmitted to the transmission shaft 30 that transmits power to the spiral 14. The transmission device 31 and the transmission shaft 30 are rotatably supported and housed in the case 21, and the discharge motor 26 is integrally attached to the case 21 to form a unit structure.

  The transmission case 21 that houses the output shaft 27, the transmission shaft 30, and both gears 28 and 29 is formed by combining the upper and lower cases. As shown in FIG. Attaching bolts 34 to the body frame 2 are attached via elastic bodies 32 ... and washers or elastic bodies 33 ..., and lubrication into the case 21 is provided on the right side of the drawing. A mouth 35 is provided.

  In the present invention, the integrated driving device 7 is inserted from below the body frame 2 as shown in FIGS. 1 to 3, and the projecting portion 30 </ b> A of the transmission shaft 30 is interlocked with the longitudinal spiral 14. It connects with the connection part 16, and it assembles | assembles like the principal part rear surface perspective view of FIG. That is, it is attached to the machine frame 2 via the elastic body 32... So that the vibration of the combine machine 1 is not directly transmitted to the drive device 7, and the washer or the elastic body 33. Although the bolts 34 are inserted and the peripheral surface portion of the case 21 is tightened and attached, the power is transmitted to both the vertical and horizontal spirals 14 and 11 for conveying the grain. The portion of the discharge motor 26 that protrudes larger than the case 21 is attached to the longitudinal spiral 14 so as to be located inside the body frame 2, so that the horizontal spiral 11 is transferred to the vertical spiral 14. Existing parts such as the cleaning window 36 (see FIG. 6) can be used without change.

  Further, the drive device 7 is integrally formed by the case 21 and can be easily attached and detached from the lower side of the machine body frame 2, so that the output shaft 27, the transmission shaft 30, the both gears 28, 29 therein. It is not necessary to open and close the large glen tank 3 for each maintenance.

  In the present embodiment, the discharge motor 26 is described as hydraulic. However, the discharge motor 26 may be an electric motor, and the horizontal transmission device 31 of the discharge motor device 7 is engaged with the drive gear 28 and the driven gear. 29 may be replaced with a chain or a belt.

  Next, the operation of the present invention will be described. The power from the discharge motor 26 of the driving device 7 passes through the output shaft 27, both gears 28 and 29, and the transmission shaft 30, and the connecting portion 16 and the upper and lower intermediate joint shafts 18. , 19 is transmitted to the vertical spiral 14, and is transmitted from the bevel gear 22 provided in the middle of the upper intermediate joint shaft 19 to the bevel gear 23 at the end of the horizontal spiral 11 to store the stored grains in the Glen tank 3. The grains are conveyed to the storage section T on the power transmission device 6 side by the horizontal spiral 11 provided on the bottom 3B, and the grains in the storage section T are transferred from the horizontal conveyance to the vertical conveyance by the rotation of the harvesting blades 13. In this way, the vertical spiral 14 is used for transporting upward.

  And when the maintenance of the back surface etc. of the Glen tank 3 is required, the back side where the Glen tank 3 was located is opened by rotating the Glen tank 3 outward with the vertical spiral cylinder 5 at the rear as a fulcrum, What is necessary is to perform a required work and to return the Glen tank 3 to the original position after the work is completed.

  When maintenance inside the drive unit 7 is necessary, the mounting bolts 34 are loosened, and only the drive unit 7 part is removed from the machine body frame 2 alone, and the inside may be serviced and inspected. After completion of the maintenance inspection work, the projecting boss portion 21A of the case 21 is fitted and fitted to the inner peripheral surface of the support boss 20 of the transfer case 10, and then tightened with the mounting bolts 34.

  Therefore, according to the present invention, the discharge auger 4 is driven by interlocking the power from the discharge motor 26 with the vertical spiral 14. Therefore, when the glen tank 3 is opened and closed, it is transmitted each time as in the conventional device. Therefore, it is not necessary to perform troublesome work such as detaching the belt (or chain) for each operation, and the glen tank 3 can be easily rotated to improve workability.

  Further, the drive device 7 is integrally formed by a case 21, and can be easily attached and detached from the lower side of the machine body frame 2, so that when the drive device 7 is maintained, the Glen tank 3 There is no need to open or close the door.

  Further, since the drive device 7 is mounted by fitting the protruding boss portion 21A of the case 21 to the inner peripheral surface of the support boss 20 of the transfer case 10, the shaft between the transmission shaft 30 of the drive device 7 and the connecting portion 16 of the vertical spiral 14 is attached. There is an effect that the alignment can be performed accurately and easily.

It is a left view which shows the schematic of the main part of a combine. It is a rear view same as the above. It is a sectional side view of a connection part periphery. It is a whole perspective view of a discharge motor device. It is a whole longitudinal cross-sectional view same as the above. It is a rear surface perspective view of a main part of a combine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine machine body 2 Machine frame 3 Glen tank 4 Discharge auger 5 Vertical spiral cylinder 6 Power transmission device 7 Drive device 10 Takeover case 11 Lateral spiral 14 Vertical spiral 16 Connection part 20 Support boss 21 (For transmission) case 26 Discharge motor 30 Transmission shaft 31 Transmission device T Reservoir

Claims (2)

A Glen tank, and a discharge auger for discharging the grains in the Glen tank,
Further, the discharge auger has a horizontal spiral that horizontally conveys the grains in the grain tank, and a vertical spiral that conveys the grains from the horizontal helix upward, the vertical helix and horizontal helix being In a combine that is linked by a power transmission device,
The power transmission device interlocked with the horizontal spiral is housed, and the lower part of the vertical spiral is configured, and the takeover case supported by the body frame,
And a driving device for driving the discharge auger,
The drive device includes a discharge motor, a transmission shaft that transmits power to the vertical spiral, and a transmission device that interlocks the discharge motor and the transmission shaft, and the transmission device and the transmission shaft are rotatable with respect to a case. While supporting and storing, the discharge motor is integrally attached to the case to form a unit structure,
The case of the integral drive is attached detachably from below to the body frame, formed by concatenation of the transmission shaft in the vertical spiral,
Combine that is characterized by that. The takeover case has a support boss attached to the body frame below the case.
The case of the driving device has a protruding boss portion so as to surround the transmission shaft,
The projecting boss portion is fitted to the inner peripheral surface of the support boss, and is connected to the projecting portion of the transmission shaft and the connecting portion.
The combine according to claim 1.

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