JP5038517B2 - Combine - Google Patents

Description

  The present invention relates to a combine in which a plurality of pull-up devices are arranged in parallel on the left and right at the front portion of a cutting unit, and a predetermined pull-up device is supported so as to swing up and swing.

  As a cutting part in which three or more pulling devices are arranged in parallel, for example, there is one described in Patent Document 1.

JP 2001-148926 A

The first invention is
And among the plurality of Pick device in parallel deployment to the left or right to the front of the cutting-up portion, and the outer caused the right and left ends that are stationary devices,
Among the plurality of pulling devices, an inner pulling device disposed inside the outer pulling device at both left and right ends, and
A plurality of raising drive cases connected to the respective upper portions of the plurality of raising devices ;
A countershaft supported by penetrating the upper end of the plurality of pull-up drive cases ;
A decorative cover that covers the upper part of the pulling drive case from the front above the upper end of the pulling device;
The aforementioned inner inking unit, said relative outer Pick device is swung up swing sideways fulcrum about the counter shaft and configured to open the front of the cutting unit,
The decorative cover is configured to be swingable up and down around a left and right fulcrum located on the upper side of the drive case that is raised .
When the pre-Symbol cosmetic cover swings up swing upward around the laterally extending fulcrum, that portion where the counter shaft is through the support of the upper portion of at least the cause driven case is configured to be opened to the front Features.
The second invention is
When the decorative cover is swung up and swung around the left and right fulcrum, the counter shaft is penetrated and supported in the upper part of the pulling drive case and the counter shaft is opened forward. .
The third invention is
The decorative cover was formed in a cross-sectional shape curved toward the front.

The fourth invention is :
When the inner pulling device swings up and swings with respect to the outer pulling device, the upper end of the front case of the pulling case of the inner pulling device approaches the left and right fulcrum, and We set the position of the left and right direction fulcrum.

The fifth invention is :
The lower end portion of the decorative cover is positioned in front of the upper end portion of the front surface of the raising case of the inner pulling device in a state where the inner pulling device is not swung up and swung with respect to the outer pulling device. to, and constituting the decorative cover.

The sixth invention is :
The constructed swingably swing up the decorative cover separately around the laterally extending fulcrum sideways fulcrum and the inner cause pivotable arm-raising around device.

A seventh aspect of the present invention,
Behind above the upper end of the Pick-drive case of the inner Pick device, provided with a supporting frame for supporting the Pick drive case of the inner Pick device.

An eighth aspect of the invention,
The position of the left-right fulcrum was set at a position lower than the upper end of the support frame and a front side of the front end of the support frame.

A ninth aspect of the invention,
The support frame is provided in a state in which the upper end portion of the raising drive case of the inner raising device is covered from the upper rear side.
The tenth invention is
The support frame is configured so as to extend over the outer pulling devices at both left and right ends, and includes a plurality of support brackets individually connected to a plurality of lateral positions of the support frame,
The raising drive case of the inner raising device is supported on the support frame so as to be swingable up and down separately via the support bracket.

Eleventh aspect of the present invention,
It said inner Pick device configured to be swingable swing up approximately 90 degrees upward to the horizontal fulcrum around.

Combine side view Top view of the cutting part Side view of the mowing unit with the pulling device open Rear view showing the entire structure of the pulling device drive Vertical side view of pulling device drive structure Front view showing the interlocking structure of the drive case and counter shaft Longitudinal front view of the pulling transmission Perspective view showing the outline of the pulling drive system Rear view showing another embodiment of the pulling device drive structure

  FIG. 1 shows a side view of the front portion of the self-removing combine. The self-decomposing combine is configured such that a cutting unit 3 having a six-row cutting specification is connected to a front part of a traveling machine body 2 provided with a pair of left and right crawler traveling devices 1 so as to be movable up and down. The apparatus 5 and the grain collection tank 6 with an unloader are mounted.

  The mowing unit 3 is provided with a cylindrical mowing unit frame 10 that also serves as a transmission case in a forward-tilting posture. A rear end base of the mowing unit frame 10 is erected on the front end of the traveling machine body 2. The support base 11 is connected and supported so as to be able to swing up and down around a horizontal fulcrum P, and is driven to swing up and down by a hydraulic cylinder 12. The mowing unit frame 10 is provided with six pulling devices 13 for raising the planted culm to a predetermined cutting posture, a clipper-type mowing device 14 for cutting the raised planting culm, and the pulling culm for each item. Auxiliary conveyor belt 15 that lightly rakes back each time, a rotary packer 16 that rakes and conveys the stock of the harvested cereals backward for each line, and conveys the harvested cereals to the intermediate part within the cutting width by 2 lines. Three sets of merging / conveying devices 17, 18, and 19 to be merged, and a supply / conveying device 20 that conveys the merged cereal to the start end of the feed chain 7 provided on the lateral outer side of the threshing device 5, etc. It has been.

  As shown in FIG. 2, the merging and conveying device 17 on the left side of the machine body includes a stock transporting mechanism 17 a that sandwiches and transports the stock of the two left-handed cereal grains and a tip transporting mechanism 17 b that latches and transports the head. The converging and conveying device 18 in the central part is composed of a stock transporting mechanism 18a and a tip transporting mechanism 18b for two middle strips, and the converging and transporting device 19 on the right side of the machine body is transporting a stock for two right strips. It is comprised from the mechanism 19a and the tip conveyance mechanism 19b. The auxiliary transport belt 15 and the rotary packer 16 are respectively provided at the front ends of the stock transport mechanisms 17a, 18a, and 19a, and the adjacent rotary packers 16 are interlocked with each other in units of two stripes.

  The supply / conveyance device 20 is a cereal merging joint formed by the tip locking / conveying mechanism 21 formed by extending the right two-lined tip conveying mechanism 19b to the front of the feed chain 7 and the three sets of the merging / conveying devices 17, 18, and 19. It is composed of a stock holding and conveying mechanism 22 extended rearward from the location, and a horizontally-turned relay conveying mechanism 23 arranged in front of the feed chain 7, and is merged by the merging and conveying devices 17, 18, and 19. The cedar in the standing posture is received at the starting end of the supply and conveyance device 20, and is transferred to the starting end of the feed chain 7 while being changed to a sideways posture while being conveyed rearward and upward. .

  The stock holding and conveying mechanism 22 swings up and down around the front fulcrum and changes the conveyance end position, thereby changing the cereal delivery position to the feed chain 7 in the cocoon length direction to the threshing device 6. A function to change and adjust the cereal insertion length, a so-called handling depth adjustment function, is provided.

  The cutting part frame 10 is provided with a function as a cylindrical transmission case having a transmission shaft inserted therein, and power synchronized with the traveling speed transmitted to the fulcrum P is cut through the cutting part frame 10. Transmitted to the front part of the section 3, the pulling device 13, the mowing device 14, the auxiliary transport belt 15, the rotary packer 16, the merging transport devices 17, 18, 19, and the stock holding and transporting mechanism 22 of the supply transport device 20. Is driven at a speed synchronized with the traveling speed. The stock holding and transporting mechanism 22 of the supply and transport device 20 is driven by the power branched and taken out from the middle portion of the cutting unit frame 10, and the tip locking transport mechanism 21 and the relay transport mechanism 23 of the supply and transport device 20 are It is driven by the power branched at the fulcrum P.

  As shown in FIG. 4, the pulling device 13 has a pulling chain 35 extending over a driving sprocket 32 and a tension plate 33 arranged at the upper part of the raising case 31 and a guide roller 34 arranged at the lower part of the case. A plurality of raising claws 36 are pivotally attached to the raising chain 35 at a predetermined pitch, and the drive sprocket 32 is driven as follows. The

  As shown in FIG. 3, a pipe support arm 37 bent in a mountain shape is extended forward from a base end boss portion of the cutting portion frame 10, and a horizontally long support frame 38 is formed at the front end of the support arm 37. Are connected. The support frame 38 is formed by bending a plate material to have a cross-sectional shape having a high bending strength including an upper side portion 38a, a rear side portion 38b, and a corner portion 38c, and the front end of the support arm 37 is connected to the corner portion 38c. Has been.

  As shown in FIGS. 4, 5, and 6, a support bracket 39 having a sheet metal structure is bolted to the support frame 38 at six locations in the lateral direction via an upper side portion 38 a and a rear side portion 38 b. The upper end portion of the vertically elongating drive case 40 formed by aluminum die casting is fitted and supported so as to swing up and down around the lateral fulcrum X. The pull-up drive case 40 is configured in a bilaterally symmetric bilateral structure, and a counter shaft 41 made of a hexagonal shaft is passed through and supported at the upper end of the case 40 so as to be concentric with the lateral fulcrum X. In the case of this example, the four raising drive cases 40 on the center side are inserted into a common counter shaft 41 for each of the two erected units and are connected to each other by the connecting sleeves 42, and the raising and lowering drives at the left and right ends are also driven. The counter shaft 41 of the case 40 is butt-coupled to the counter shaft 41 via a connection sleeve 42, and the counter shaft 41 is configured to rotate as a single shaft.

  Each pulling drive case 40 has a transmission shaft 43 supported longitudinally along the longitudinal direction of the case. The transmission shaft 43 is linked to the counter shaft 41 via bevel gears G1 and G2, and is also driven to drive. A pulling drive shaft 44 supported in the front-rear direction at the lower portion of 40 and the transmission shaft 43 are interlocked and connected via bevel gears G3 and G4. The upper part of the case 31 is connected to the lower part of each of the drive case 40 and the drive shaft 44 is raised and protrudes forward from the case 31, and the drive sprocket 32 is connected to the protruding part. ing. In this case, as shown in FIG. 8, the counter shaft 41 is rotated in the direction A toward the front and upward so that the raising chain 35 of each raising device 13 is rotated in a predetermined raising direction. Each pulling drive shaft 44 is linked to the counter shaft 41 by a bevel gear.

  A horizontally-long cylindrical drive case 46 is orthogonally connected to the front end of the mowing unit frame 10, and pipe posts 47, 48 are erected from near the left and right ends of the drive case 46. The vertical transmission shaft 49 for raising and driving is inserted. A lateral transmission shaft 50 that is rotationally driven by the power transmitted through the cutting unit frame 10 is inserted into the drive case 46, and a left end portion of the lateral transmission shaft 50 and the longitudinal transmission shaft 49 are arranged. Is linked to the bevel gear.

  A transmission case 51 is connected to an upper end portion of the support 47 on the left side of the machine body, and is connected to a pulling drive case 40 at the left end. The transmission case 51 is equipped with an output shaft 52 in parallel with the longitudinal transmission shaft, and the output shaft 52 and the counter shaft 41 are connected to each other via bevel gears G5 and G6, and the vertical transmission shaft 49 and the output. A transmission mechanism 53 that is raised between the shaft 52 and the shaft 52 is provided.

  As shown in FIG. 7, the pulling speed change mechanism 53 is integrally equipped with a small-diameter driving gear G7 and a large-diameter driving gear G8, which are connected and fixed to a longitudinal transmission shaft 49, and a large-diameter driven gear G9 and a small-diameter driven gear G10. And a shift gear SG splined to the output shaft 52. The shift gear SG is shifted upward, and the large-diameter driven gear G9 is engaged with the small-diameter drive gear G7 to drive the output shaft 52 at a low speed. The output shaft 52 is configured to be driven at high speed by shifting SG downward and engaging the small-diameter driven gear G10 with the large-diameter drive gear G8.

  A speed change operation shaft 55 having a shift fork 54 engaged with the shift gear SG is inserted into and supported by the speed change case 51, and the speed change operation shaft 55 is pushed and pulled.

  The shift gear SG can be held by the detent mechanism 60 at an upper constant speed position “L”, a lower high speed position “H”, and a neutral position “N” therebetween. The detent mechanism 60 is incorporated into the output shaft 52 and is provided with any one of the annular grooves 63 formed at three locations in the axial direction on the inner periphery of the shift gear SG. The shift gear SG is configured to be elastically held by selective engagement, and the countershaft 41 that is geared to the output shaft 52 can be freely rotated by raising and holding the speed change mechanism 53 neutral. Can be held in a stable state.

  In order to facilitate clogging removal work on the back of the pulling device 13 in the grain haul transfer route and inspection and maintenance work of the transfer means, the pulling devices 13 at both ends of the six pulling devices 13 arranged in parallel are arranged. The four inner raising devices 13 excluding (L) and 13 (R) are swung up and swinged to open the front of the cutting part.

  As shown in FIG. 3, the lower part of the raising case 31 of the four inner raising devices 13 is detachably connected to a front bracket 65 of a weed frame 64 extending forward from the drive case 46. In addition to releasing the connection between the front bracket 65 and the raising case 31, and removing the weeding tool 66 inserted and connected to the front end of the weeding frame 64, the raising device 13 is raised to drive the driving case. 40, and can be swung up about 90 ° around the lateral fulcrum X concentric with the counter shaft axis. A gas spring 68 is installed over the elevating drive case 40 and a stay 67 fixedly arranged on the back of the elevating drive case 40, and the raised raising device 13 is held in its raised position by the extension biasing force of the gas spring 68. It is like that.

  As shown in FIG. 5, a decorative cover 69 that covers the counter shaft 41 from the front is attached to the front end of the support frame 38 so as to be swingable up and down around the fulcrum y. In doing so, the decorative cover 69 is raised and swung up by the upper front surface of the device 13. The support arm 37 that connects and supports the support frame 38 also serves as a support member for the dust-proof cover 70 that covers the upper side of the supply and transport device 20.

  Prior to swinging and swinging the pulling device 13, the pulling and shifting mechanism 53 is switched to the neutral state and the counter shaft 41 is in a freely rotatable state. As a result, the counter shaft 41, which is free to rotate, is raised in the normal pulling drive direction A along with the swinging swing of the driving case 40, and is rotated by the same angle as the swinging angle of the driving case 40. When the pulling device 13 is swung up and swinged, the counter shaft 41 is lifted and rotated in the driving direction A, so that the pulling device 13 that is not swung up slightly operates in the normal driving direction.

[Other Examples]
(1) As shown in FIG. 9, the raising drive cases 40 of the four raising devices 13 on the central side are connected by two adjacent ones by stays 71, and the two devices are raised to swing the device 13 up and down. It is also possible to remove the stay 71 and return it to a form in which the apparatus 13 can be swung up and moved one by one. The upper part of the raising drive case 40 of the four raising devices 13 on the central side or the raising device 13 itself is connected by a stay not shown, and the four raising devices 13 on the central side are simultaneously swung up and swung. It can also be made possible.

  (2) The support frame 38 may be configured to have a long length with an aluminum extrusion molding material, and may be configured to be cut into a length corresponding to the number of pulling devices 13 to be arranged in parallel.

DESCRIPTION OF SYMBOLS 3 Mowing part 13 Pulling-up apparatus 31 Pulling-up case 38 Support frame 40 Pulling-up drive case 41 Countershaft 69 Cosmetic cover X Lateral fulcrum y Lateral fulcrum

Claims (11)

Of cutting unit a plurality of Pick device in parallel deployment to the left or right to the front of, and to the outside causes the left and right ends which are stationary apparatus,
Among the plurality of pulling devices, an inner pulling device disposed inside the outer pulling device at both left and right ends, and
A plurality of raising drive cases connected to the respective upper portions of the plurality of raising devices ;
A countershaft supported by penetrating the upper end of the plurality of pull-up drive cases ;
A decorative cover that covers the upper part of the pulling drive case from the front above the upper end of the pulling device;
The aforementioned inner inking unit, said relative outer Pick device is swung up swing sideways fulcrum about the counter shaft and configured to open the front of the cutting unit,
The decorative cover is configured to be swingable up and down around a left and right fulcrum located on the upper side of the drive case that is raised .
When the pre-Symbol cosmetic cover swings up swing upward around the laterally extending fulcrum, combine the portion where the counter shaft is through the support of the upper portion of at least the cause driven case is configured to be opened to the front. When the decorative cover is swung up and swung around the left and right fulcrum, the counter shaft is penetrated and supported in the upper part of the pulling drive case and the counter shaft is opened forward. The combine according to claim 1. The combine according to claim 1 or 2, wherein the decorative cover is formed in a cross-sectional shape curved toward the front. When the inner pulling device swings up and swings with respect to the outer pulling device, the upper end of the front case of the pulling case of the inner pulling device approaches the left and right fulcrum, and Combine according to any one of claims 1 to set the position of the laterally extending pivot 3. The lower end portion of the decorative cover is positioned in front of the upper end portion of the front surface of the raising case of the inner pulling device in a state where the inner pulling device is not swung up and swung with respect to the outer pulling device. to, combine according to any one of claims 1 to 4 which constitutes the decorative cover. Combine according to any one of 5 from the horizontal fulcrum around claim 1 configured to be swingable swing up the decorative cover separately the laterally extending pivot around a swingable aforementioned inner inking device swung up in . Behind above the upper end of the Pick-drive case of the inner Pick device, combined according to any one of claims 1 to 6, the support frame is provided for supporting the Pick drive case of the inner Pick device . The combine according to claim 7 , wherein the position of the left-right fulcrum is set at a position lower than an upper end of the support frame and a front side of the front end of the support frame. The combine of Claim 7 or 8 which provided the said support frame in the state which covers the upper end part of the raising drive case of the said inner raising apparatus from back upper direction. The support frame is configured so as to extend over the outer pulling devices at both left and right ends, and includes a plurality of support brackets individually connected to a plurality of lateral positions of the support frame,
The combine according to any one of claims 7 to 9, wherein the raising drive case of the inner raising device is supported on the support frame so as to be swingable up and down separately via the support bracket. Combine according the to inner causing device in any one of the transverse pivot around claims 1 to 10 which is swingably configured swung up over approximately 90 degrees.

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