JP4589145B2 - Combine waste transport device - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a combine waste transporting device that is equipped with a transport body that inherits drainage after sheding from a feed chain to a waste chain and discharges it to the rear of the machine body, and that supports the transport body so that it can be turned up and down. It is.

Conventionally, with the inheritance of an exhaust chain that is connected to the feed chain and obliquely transports, the transport direction is refracted, and therefore, the exhaust chain is easily clogged or pulled out. When the locking device that fixes the transport body is released with respect to the evacuation guide rod held on the floor surface, and the reinforcing evacuation frame is used as a pivotal fulcrum, the transport body rises with the support frame. Thus, there is a structure in which the distance from the evacuation guide rod is widened and the maintenance can be easily performed (for example, see Patent Document 1). However, the frame to which the transport body is attached passes through the upper part of the waste chain, the rotation center is higher than the drive case, and the distance between the handling cylinder shaft and the input shaft fluctuates. It is a rotation conveyance body with operation which removes.
Japanese Patent Laid-Open No. 4-84826 (Page 3, Fig. 3-4)

  The conventional technology for rotating the waste chain up and down has a frame structure in which a waste frame parallel to the transport body is installed above the waste chain, and a rotation fulcrum is provided inside the machine body away from the transport body. Because the rotation operation fluctuates between the handling cylinder shaft and the input shaft, it takes time and effort to detach and attach the drive belt installed in the body for each rotation operation, and lifts the heavy material conveyance device. There is a problem that labor is increased.

  In order to solve such problems, a rotation center line that does not fluctuate between the axes of the drive belt even when the transport body is rotated up and down is set, and clogging is removed with the drive belt attached. An object of the present invention is to provide a waste transporting apparatus that can perform maintenance and inspection and that has a shortened turning radius of the transport body so as to reduce the lifting effort to lift.

The present invention is driven by the power transmitted from the handling shaft (7) of the threshing part (A) through the belt transmission mechanism, and is discharged from the transfer terminal end of the feed chain (23) of the threshing part (A). The transport body (1) that carries forward and obliquely transports the rear side of the machine body to the waste chain (14 and the transport belt that sandwiches and transports the tip side of the waste chain (35). ), And the conveyor body (1) is configured to be configured to be capable of pivoting and retracting upward from the waste transport state position with the transport belt (35) side as a rotation center. In the apparatus, the transport body (1) is freely rotatable to a support metal (3a) (3b) that is connected to a rejection frame (5) provided in the rejection chamber (40) behind the threshing portion (A). The axis of the support metal (3a) (3b) coincides with the center line (P) of the transport band (35), and the belt transmission mechanism is transported on the front extension line of the center line (P). The center (X) of the passive pulley (2) on the body (1) side It is obtained by the configuration to be positioned.

Since it is configured as described above, there is no fluctuation between the handling shaft 7 and the input shaft 8 due to the turning operation, and the drive belt is in a state where the input pulley 2 is inclined by the turning angle 10 of the carrier 1. 11, the change in tension is kept to a minimum, and the trouble of attaching and detaching the drive belt 11 every time the carrier 1 is rotated is eliminated. Further, the pinching force on the side of the reject chain 14 which is likely to cause a conveyance failure is mainly released, and the fulcrum structure is simplified. In addition , the transport body 1 can be rotated in the evacuation chamber 40 and can be rotated while the evacuation frame 5 is fixed, thereby simplifying the structure and reducing the operation force for lifting the transport device. is there.

  An outline of the structure will be described with reference to an example diagram of a threshing section in which an embodiment of the present invention is mounted on a combine. FIG. 8 is an overall side view of the combine, and will be described with reference to the plan view of the threshing portion showing the arrangement of the slagging and conveying device of FIG. 1. On the machine base 21 supported by the pair of left and right crawler traveling devices 20. The threshing part A is mounted on the front, and the cutting part B that can be moved up and down is mounted to adjust the cutting height. A cutting and conveying path is provided that is pinched and transferred by the continuous lifting and lowering conveying device 22 and is inherited by the start end side of the feed chain 23 that is installed horizontally in the threshing section A.

  Grain removal and processing are carried out by rotation of a handling cylinder 26 mounted on the handling chamber 25 with the harvested cereal grains inherited by the feed chain 23, and the handling material is moved from the receiving mesh 27 of the surrounding handling chamber onto the swinging sorter 28. The rough sorting that separates the grains and dust while carrying the handling item backward by swinging motion is performed, and unsorted items are guided to the sorting unit 31 provided below the swing sorting device, It is the structure of the threshing machine mounted in the combine which isolate | separated the good grain with the sorting wind and carried it out of the machine.

  FIG. 1 is a rear plan view of a threshing machine equipped with the waste transporting apparatus of FIG. 1 and a side view of a transport body wound with the waste chain shown in FIG. 8 will be described in combination with the overall side view of the combine shown in FIG. 8. A handling cylinder 26 in which handling teeth 32 are implanted in the handling chamber 25 is rotatably mounted, and the harvested cereal meal is conveyed by the feed chain 23 arranged in parallel. The carrier 1 is formed by a waste chain 14 that obliquely transports the waste after the grain removal and a transport belt 35 provided on the tip side, and is discharged from the feed chain 23 on the start end side. , And a waste transporting device that supplies the cutter unit 37 mounted on the rear side of the machine body.

  Next, the configuration of the evacuation frame in which the transfer device is accommodated will be described. The evacuation frame 5 is connected to the rear wall 38 of the handling chamber 25 and arranged in a U-shape above the evacuation chamber 40. The evacuation chamber 40 is formed by a frame structure in which the support pipes 42a and 42b that cross the carrier 1 are installed on the diagonal portions 55a and 55b of the evacuation frame 5 by being screwed to the standing portal frame 41. Is.

  The drive structure of the transport device supported from the reject frame will be described with reference to the plan view showing the transport body in FIG. 4 and the plan view in FIG. 3 showing the start end side. Is output from a drive pulley 46 fixed to the shaft end of the shaft, and is passively input to the input pulley 2 mounted on the drive case 6 connected to the transport body 1 to pass through the input chain 8 and the pair of bevel gears 47 to the exhaust chain 14. Rotating movement side is added to the rear, and pinch guide 48 and head part guide 50 are juxtaposed in front and rear, and transported obliquely while pinching the head part side and the head side of the waste. It is. Further, the sprocket 51 meshed with the non-operating side exhaust chain 14 is re-inputted to the starting end side of the opposite conveying band 35 through the connection case 52 and is rotated in the same direction as the exhaust chain 14. It is a transport device.

The setting of the rotation center line in which the conveying device moves up and down, which is the gist of the present invention, will be described with reference to FIGS. 2, 3 and 4 described above. The rotation center line P connecting the rotation fulcrums is defined as the input pulley 2. The support metal 3a, 3b is suspended from the evacuation frame 5 that extends toward the center (center) X of the evacuation conveyance device, and the conveyance band 35 side and the rotation center line P are By setting the position that coincides with the plan view as a rotation fulcrum, when the carrier 1 is rotated in the direction of the arrow a, the distance between the input shaft 8 and the barrel shaft 7 built in the drive case 6 is fixed. The configuration does not fluctuate, and the change in the tension of the drive belt 11 is minimized.

  By setting such a rotation center line P, when the carrier 1 is rotated as shown by the chain line in the front view of the front support metal in FIG. Although it is inclined by an amount corresponding to the angle 10, as described above, since the distance between the shafts does not fluctuate, the change in the tension of the drive belt 11 wound around the input pulley 2 is kept to a minimum, and the threshing section A is provided every rotation operation. It is configured to eliminate the trouble of attaching and detaching the drive belt 11 performed inside.

Next, a description will be given of the support structure of the pivoting fulcrum and its characteristics. The rotating transport body 1 is configured by arranging the transport band 35 side by side on the rejection chain 14, and the transport band 35 side for transporting the tip is used as a fulcrum. The carrier 1 is pivotable, and support arms 4a and 4b are suspended from a fixed evacuation frame 5, suspended from the evacuation frame 5 , and the shafts of the support metals 3a and 3b provided at the bottom ends thereof. The center is aligned with the center line (P) of the transport band (35) , the fulcrum position is lowered to the axis of the input (passive) pulley 2, and a rotation fulcrum is set on the rotation center line P. By shortening the turning radius to the interval between the waste chain 14 and the rotational center line P, the transport body 1 can be turned in the waste room 40 and the waste frame 5 is fixed. In this configuration, the rotation operation can be performed as it is.

  The arrangement of the front support metal 3a shown in the enlarged plan view of FIG. 3 is a front support in which a fulcrum shaft 12a is integrally mounted at the position of the drive case 6 through which the rotation center line P passes and is suspended from the front support pipe 42a. The arm 4a is provided with the front support metal 3a, and is connected to the fulcrum shaft 12a so as to be rotatable. The rigidity of the start end side of the waste chain 14 that inherits the waste from the feed chain 23 is maintained and is rigid. The structure with the high drive case 6 interposed prevents deformation and breakage due to conveyance abnormalities such as clogging.

  FIG. 5 and FIG. 6 are front views showing the front and rear of the support metal, and the support structure of the carrier suspended from the waste frame using the rear plan view of the threshing portion of FIG. As described above, the waste frame 5 is disposed in a U-shape from the rear wall 38 of the threshing portion A, the front support pipe 42a is provided on the corner portion 55a on the input pulley 2 side, and the same is applied to the opposite corner portion 55b. A pair of rear support pipes 42b are provided, and the support arms 4a and 4b are suspended from the evacuation frame so that the support pipes 42 crossing over the transport body 1 and the rotation center line P cross each other in plan view. The support metals 3a and 3b are provided in parallel with the waste chain 14. The support structure is configured such that when the transport body 1 is opened at the rotation angle 10 around this, the input pulley 2 is displaced with the central portion X indicated by the chain line in FIG.

  On the other hand, the rear support metal 3b is provided with a reinforcing plate 58 for connecting the waste chain base 60 and the transport band case 13 at the rear, and in the vicinity thereof, the position where the transport band 35 side and the rotation center line P coincide with each other in plan view. A mounting groove 56 is provided near the center of the transport belt case 13 to increase the strength around the case, and a mounting seat 57 is welded in the same direction as the rotation center line P. The rear support metal 3b is In this state, the rear fulcrum shaft 12b is fitted in the sandwiched state, and the evacuation conveyance device has the conveyance band 35 side as a rotation fulcrum. The pinching guide 48 shown in FIG. 5 is urged by a spring 75 from below the floor surface 73 toward the waste chain 14 side, and is configured to move out and back as the amount of waste trapped is increased or decreased. is there.

  FIG. 7 is a side view of the adjusting lever with a cross-sectional view of the main part, and a turning operation for bringing the waste end from the transported state into the open state by combining the plan view of FIG. 4 with the enlarged plan view of the starting end side of FIG. , The connecting case 52 for connecting the waste chain base 60 and the transport belt case 13 is attached to the front side of the transport body 1 and the reinforcing plate 58 is attached to the rear side to form the transport body 1 integrated, The lever portion 61 is provided on the outer surface of the reject chain base 60, and the vertical portion 63 of the adjustment lever 62 bent is fitted, and the retaining pin 65 is provided at the end of the shaft so that the lever can be turned left and right. is there.

  An adjustment plate 66 for guiding the adjustment lever 62 is suspended from the front support pipe 42a, a guide groove 67 facing the rotation center line P is formed, and a lower limit hole 68 and an upper limit hole 70 are provided in a bowl shape at both ends thereof. The shape is shown in a projection diagram shown by a chain line, and at the position where the adjustment lever 62 is fitted in the lower limit hole 68, the conveying guide is fitted with the plate of the reject chain 14 fitted in the clamping guide 48, and the direction of arrow B The lever 1 is moved to the position of the upper limit hole 70 to maintain the opened state in which the carrier 1 loses the pinching force.

  The movement of the transport body 35 in the opened position of the transport body 1 in such an open state is reduced, the open distance on the waste chain 14 side is increased, and the open state on the base side where the waste layer is thick is remarkable. Therefore, the distance from the waste chain 14 to the rotation center line P is set to the rotation radius, and the rotation radius is shortened so that the rotation fulcrum coincides with the conveyance band 35 side. The lifting force during dynamic operation is also reduced. In addition, if such a lever apparatus is installed before and behind the said conveyance body 1, a conveyance apparatus can be connected to the rejection frame 5 in multiple places, and it can be set as a still stronger connection structure.

As described above, the rotation center line P extending toward the central portion X of the input pulley 2 is used as the rotation fulcrum of the transport body 1, so that the space between the handling cylinder shaft 7 and the input shaft 8 associated with the rotation operation is between The change in the tension of the drive belt 11 is kept to a minimum with the input pulley 2 being inclined by the rotation angle 10 of the transport body 1 without fluctuation, and the drive belt 11 is detached and attached every time the transport body 1 is rotated. The trouble has been eliminated.
In addition, since the transport body 1 can be rotated with the transport band 35 side that transports the tip as a fulcrum, the pivot width on the side of the waste chain 14 becomes larger than the transport band 35 side. Since the support member is suspended from the reject frame 5 and the fulcrum position is lowered to the axis of the input pulley 2, the distance between the rotation center line P and the reject chain 14 is shortened to the rotation radius. The body 1 can be rotated in the evacuation chamber 40, and a simplified fulcrum structure that can be rotated while the evacuation frame 5 is fixed is provided, and the operating force of the adjustment lever 62 that lifts the transport device Is reduced.

  It can be utilized for a conveyor device of a belt conveyor or a harvester that transfers objects in different inclination directions with respect to a drive shaft side that transmits power.

It is a back top view of a threshing part. It is a side view of a conveyance body. It is the top view to which the starting end side of the conveyance body was expanded. It is a top view of a conveyance body. It is a front view which shows the front support metal of a conveyance body. It is a front view which shows the back support metal of a conveyance body. It is a side view of the adjustment lever which cut an important section. It is a whole side view of a combine.

A ・ ・ Threshering part P ・ ・ Rotation center line X ・ ・ Center part 1 ・ ・ Transport body 2 ・ ・ Input pulley 3 ・ ・ Support metal 4 ・ ・ Support arm 5 ・ ・ Removal frame 6 ・ ・ Drive case 7 ・・ Handling shaft 8 ・ ・ Input shaft 10 ・ ・ Rotation angle 11 ・ ・ Drive belt 12 ・ ・ Supporting shaft 13 ・ ・ Transport belt case 14 ・ ・ Removal chain 26 ・ ・ Handling drum 35 ・ ・ Transport belt 40 ・ ・ Discharge Chamber 42 ··· Support pipe 46 · · Drive pulley 57 · · Mounting seat 58 · · Reinforcement plate 60 · · Waste chain base 62 · · Adjustment lever 66 · · Adjustment plate 67 · · Guide groove
Arrow a ... The direction of rotation
Arrow b. Adjusting lever operation direction

Claims (1)

Driven by the power transmitted through the belt transmission mechanism from the barrel shaft (7) of the threshing part (A), inheriting the waste from the transfer terminal part of the feed chain (23) of the threshing part (A). A transport body (1) obliquely transported to the rear of the machine body is composed of a waste chain (14) that sandwiches and transports the stock side of the waste and a transport belt (35) that is juxtaposed and transports the tip side. In the combine excretion transport apparatus configured to be configured to be configured to be able to pivot and retract the transport body (1) from the reject transport state position with the transport belt (35) side as a pivot center . The transport body (1) is rotatably supported by a support metal (3a) (3b) connected to a rejection frame (5) provided in a rejection chamber (40) behind the threshing section (A). The axis of the supporting metal (3a) (3b) coincides with the center line (P) of the transport band (35), and the belt transmission mechanism transport body (1 The center (X) of the passive pulley (2) on the Straw Discharge conveying apparatus Combine characterized by being configured to.

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