JP5560735B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

  In the conventional technique shown in Patent Document 1 below, in a combine in which an elevating device for erecting a cereal is arranged on the front side of the driver's seat, the upper part of each elevating device is covered with a cover body that is long in the left-right direction. It is a thing.

JP 2008-206463 A

  In the case where the device for raising the cereals is arranged close to the front side of the driver's seat, especially when the cereal to be raised is a long cocoon, it is attached to the grains and cereals that have been raised and shed by the lag. There was a problem that the mud scattered to the driver's seat and hit the operator directly.

  An object of the present invention is to solve such problems.

  In order to solve the above problems, the present invention has taken the following technical means.

That is, the invention according to claim 1 is a combine in which a pulling device (8) for pulling the cereal is disposed on the front side of the driver seat (5), and the pulling path (K) of the pulling device (8). ) On the upward extension line of the rising locus of the raising lug (14) that rises along the horizontal axis), with the left and right support shaft (16) installed on the rear side of the raising device (8) as a turning fulcrum. A cover body (15) that changes the tilting posture in the front-rear direction by moving is provided , and in the vicinity of the support shaft (16), the cover body (15) is turned upward and the cover body is rotated. (15) A tension spring (17) for switching to a closed position rotated downward is provided, the cover body (15) is switched to an open position, and the cover body (15) is raised to the lug ( 14) The posture is changed in a direction intersecting with the upward extension line of the rising locus in 14). By covering the upper path (K), and combine, characterized in that a configuration for preventing the scattering of grain and mud into the driver's seat according to the cited raised lug (14) (5).

According to a second aspect of the invention, the cover member (15), and combine the 請 Motomeko 1 wherein formed in the shape of the substantially in side view from the top cover and (15a) and the rear cover (15b) .

According to a third aspect of the present invention, the cutting side cover (18, 18) disposed on the side of the pulling device (8) is divided into an upper side cover (18a) and a lower side cover (18b). The lower part of the side cover (18a) is arranged so as to overlap with the upper part of the lower side cover (18b), and the upper side cover (18a) is configured to rotate up and down integrally with the cover body (15) , by switching the cover member and the upper side cover (18a) (15) the attitude of the closed side by downwardly pivoting, configuration and the請 Motomeko 1 or claim the removal of the lower side cover (18b) is locked The combine described in Item 2.

According to a fourth aspect of the present invention, the front surface (12u) of the upper end portion of the raising case (12) of the raising device (8) is tilted rearward and inclined more gently than the lower front surface of the raising case (12). The combine according to claim 1, claim 2, or claim 3 formed so as to be bent .

  According to the first aspect of the present invention, when the grain and mud are scattered frequently at the time of raising, the raising lug (14) rising along the raising path (K) of the raising device (8). ) The cover body (15) provided on the upper extension line of the ascending trajectory is changed in the direction intersecting the upper extension line, thereby preventing grain and mud from scattering to the driver seat (5). Can do.

Further, the cover body (15) can be opened and closed with a single touch by a tension spring (17) provided in the vicinity of the support shaft (16) serving as a pivotal support point.

That is, the tilting posture of the cover body (15) is changed by the rotation around the support shaft (16) in the left-right direction installed on the rear side of the raising device (8), and switched by the tension of the tension spring (17). Therefore, the operation of changing the inclination posture of the cover body (15) can be easily performed with one touch.

And, when the cover body (15) is rotated upward, it is possible to prevent the grain and mud from scattering to the driver's seat (5) side, but it is easy to attach and detach the front cover of the case. The maintenance of the pulling device (8) can be easily performed.

  According to the invention described in claim 2, in addition to the effects of the invention described in claim 1, the cover body (15) is formed in a substantially square shape in a side view, so that it is upward and rearward upward. The grain and mud can be prevented from scattering and the scattering to the driver's seat (5) can be reliably prevented.

According to the third aspect of the invention, in terms of the effects of the invention described in claim 1 or claim 2 Symbol placement, the upper side cover (18a) are be swung upward together with the cover member (15) Therefore, the lower side cover (18b) superposed on the lower part of the upper side cover (18a) can be easily attached and detached, and the cutting portion can be easily maintained.

Further, the lower side cover (18b) can be locked to be removed by rotating the cover body (15) and the upper side cover (18a) downward to switch to the closed posture changing state.

According to the fourth aspect of the invention, in terms of the effect of the invention of claim 1 or claim 2 or claim 3 Symbol placement, the operator causes remain seated in the driver's seat (5) device (8) The weeding position at the starting end side (lower end side) of canopy can be directly viewed, the weeding up can be easily confirmed, and the efficiency of the cutting operation can be improved.

Combine side view Front view of combine main section Side view of the main part of the cutting part Perspective view of essential parts of pulling device Side view of the main part of the pulling device Side view of the main part Side view of the main part Side view of the main part Side view of the main part of the cutting part Top view of the main part Top view of lifting transport supply equipment Side view of the locking device of the main part Rear view of the main part Same part back view Top view of the main part of the mowing Left side view of the main part Front view of the tip guide cover of the main part Right side view of the tip guide cover

An embodiment of the present invention will be described with reference to the drawings.
1 and 2 show a combine. This traveling vehicle body 1 includes a pair of left and right traveling crawlers 2 and 2, and a cutting portion 4 is installed at the front portion of a threshing device 3 mounted on the rear portion. The side part of the cutting part 4 is provided with driving operation parts such as the driver's seat 5 and the operation box 6, and further, a Glen tank G for temporarily storing threshing grains is provided behind the driving operation part. .

  The mowing unit 4 is a weed body 7, 7, ... for weeding the cereal to be planted to the left and right, and four stalk raising units 8, 8, 8, 8 that cause the cereal after the weed, A reaping device 9 for harvesting the cereal after raising, a rake transporting device 10 for scrambling and transporting the cereal after reaping, a threshing device that changes the posture while taking up and transporting the cereal after the squeezed transport It is equipped with a lifting and conveying supply device 11 and the like for delivery to and from the vehicle, and is equipped so that it can be raised and lowered with respect to the vehicle body.

The grain raising device 8 includes a front and rear raising case 12, 13 that can be divided into front and rear, and a raising lug 14 that is raised from the case and protrudes toward the path K to cause the grain. Consists of. The front raising case 12 is configured to be detachably attached to the rear raising case 13, and when it is pulled upward, the locked state is released and can be taken out to the front side. The upper end side 12u of each of the front raising cases 122, 12,... Is bent so as to be further rearward inclined than the lower end side inclination (the rear inclination angle on the upper end side is larger than the inclination angle on the lower end side with respect to the vertical plane). It is formed so that the field of view in the vicinity of the weeding position in the operation in the sitting posture is good, and the weeding position can be seen well in the operation in the standing posture.
And the upper part of each pulling-up apparatus 8 becomes a structure covered with the cover body 15 comprised long in the left-right horizontal direction.

  The cover body 15 is formed in a substantially square shape in a side view so as to include an upper cover 15a and a rear cover 15b, and the raising lug 14 rising along the raising path K of the raising device 8 is raised. It is arranged on the upper extension line of the trajectory, and tilts in the front-rear direction into a state in which the front side rises and covers the front surface of the upper end side 12u of the case 12 and a state in which the uplifting lug 14 moves upward and covers the upper part of the raising path K. The posture can be changed freely. As the posture changing means of the cover body 15, it is possible to adopt a front / rear / up / down slide structure, but in the present embodiment, the cover body 15 is raised and supported on the back side of the device 8 in the horizontal direction. The shaft 16 is configured to be swingable and openable so as to swing up and down around the pivot point. The cover 15 is opened in the posture changing state in which the opening side is raised to cover the upper side of the path K, and the closing side in the downward direction is in the posture changing state in which the front side is raised and the front surface of the upper end side 12u of the case 12 is covered. The cover body 15 can be opened and closed by a tension spring 17 provided in the vicinity of the rotation fulcrum so that the spring tension direction can be switched between the closed side and the open side with respect to the fulcrum of the support shaft 16. It can be opened and closed.

  The cutting side covers 18, 18 disposed on the left and right sides of each pulling device 8 are divided into an upper side cover 18a and a lower side cover 18b, and the upper side cover 18a is an upper side surface with respect to the lower side cover 18b. The cover body 15 is superposed on the outer surface and formed integrally with the cover body 15 so as to be swingable up and down together with the cover body.

  If the cover body 15 and the upper side cover 18a are not moved upward, the front side case 12 and the lower side cover 18b cannot be removed, and a structure that serves as a locking mechanism by closing downward is provided.

  As shown in FIGS. 9 and 10, the cutting main frame 21 that supports the cutting unit 4 is configured to rotate up and down with a cutting input shaft 23 installed on the cutting suspension base 22 as a fulcrum. The cutting part 4 is moved up and down by the expansion and contraction operation. The central part below the position of the transmission gear case 26 of the cutting main frame 21 and the bearing part of the cutting input shaft 23 are connected and strengthened by an L-shaped reinforcing frame 27 to prevent twisting and breakage due to collision. It is composed. Further, if the mounting portion for the lifting cylinder 24 and the installation portion for the floating spring 25 are provided inside the reinforcing frame 27, it is possible to prevent the cylinder / floating spring from being deformed or damaged due to torsional stress at the time of collision. By arranging the routing portion 28 such as each operation wire / harness / hose from the cutting main frame 21 to the reinforcing frame 27, it is possible to prevent bending when vertically rotating and interference with each portion. The L-shaped reinforcing frame 27 is parallel to the cutting main frame 21 in a side view, and between the reinforcing frame 27 and the cutting main frame 21 is provided by the supply vertical motor 29 of the lifting conveyance supply device 11. The vertical link 30 that moves the start side up and down is interposed to protect the vertical link.

The lifting conveyance supply device 11 shown in FIG. 11 has a support portion 32 for the supply star wheel 31 that is opposed to the start end side of the tip conveyance device 19 with the tip conveyance lug 20 when the harvested cereal meal is clogged at the takeover portion. Is configured to be detachable from the supply tip frame 33 with a single touch.
That is, when the lock lever 34 is turned 90 ° from the fixed position around the fulcrum P, the key plate 35 (FIG. 12) is released from the stepped pin 36 (FIG. 14), and the locked state is released, and the foil support portion 32 is moved. Easy to remove. Further, when attaching the wheel support portion, if the lock lever 34 is turned 90 ° in the opposite direction from the unlocking position, the key plate 35 enters the step portion of the stepped pin 36 and is locked. Become. In this embodiment, the lock means by the cam pin 37 is provided at the fulcrum portion of the lock lever 34 so that the lock lever 34 and the lock means by the key plate 35 are locked at two locations. When the lock lever is turned, the spring 38 contracts and the cam pin 37 is inserted to lock the lock lever fulcrum.

Further, the lifting conveyance supply device 11 is configured such that the starting end side can be swung up and down with the end side as a fulcrum, and the handling depth is changed and adjusted according to the length of the cereal.
As shown in FIG. 15, with respect to the pulling devices 8L and 8R on both the left and right sides, the back of the pulling devices 8Cl and 8Cr located on the center side has two grains on the left side after the pulling and two on the right side. A tip guide cover 40 having guide surfaces 40a and 40b for guiding backwards in a state where the tip side of the grain cedar is leaning is provided. The tip guide cover 40 is divided into upper and lower portions, and the tip movement trajectory of the tip transport lug 20 of the tip transport device 19 is recessed in a concave shape at the center end portion on the right side of the lower guide cover. It is set as the structure which provided the recessed part 40C. According to this, since the tip transport lug moves closer to the tip guide cover, the tip side portion of the cereal cocoon guided by the guide cover can be reliably captured and transported, and there is no spillage at all. .

5 the driver's seat 8 cereal稈引cause device 12 Pick cases 12u front Pick upper side front surface 14 caused by the lugs 15 cover 15a top cover 15b rear cover 16 support shaft of the case
17 tension spring 18 mowing side cover 18a upper side cover
18b lower side cover
K pulling route

Claims (4)

In a combine in which an elevating device (8) for erecting cereals is arranged on the front side of the driver seat (5), an elevating lug that rises along the erecting path (K) of the elevating device (8) ( 14) on the upper extension line of the ascending trajectory of 14), the tilting posture in the front-rear direction is obtained by rotating up and down with a left and right support shaft (16) installed on the rear side of the pulling device (8) as a rotation fulcrum. cover to change (15) is provided, wherein in the vicinity of the support shaft (16), closed open side of the posture and said cover body the cover body (15) was rotated upward (15) was pivoted downward A tension spring (17) for switching to the side posture, the cover body (15) to the open side posture, the cover body (15) is raised, and the upper extension line of the rising locus of the lug (14) Change the posture in the intersecting direction to cover the upper part of the raising path (K). In, combine, characterized in that a configuration for preventing the scattering of grain and mud into the driver's seat according to the cited raised lug (14) (5). The cover body (15), the 請 Motomeko 1 wherein formed in the shape of the substantially in side view from the top cover and (15a) and the rear cover (15b) combine. The cutting side cover (18, 18) disposed on the side of the pulling device (8) is divided into an upper side cover (18a) and a lower side cover (18b), and the lower part of the upper side cover (18a) is The upper side cover (18a) is arranged to be overlapped with the upper part of the lower side cover (18b), and the upper side cover (18a) is configured to rotate up and down integrally with the cover body (15). side cover (18a) by downward rotation by switching the position of the closing side, the configuration and the請 Motomeko 1 or claim 2, wherein the removal of the lower side cover (18b) is locked combined. The front surface (12u) of the upper end portion of the pulling case (12) of the pulling device (8) is bent and formed so as to have a rearwardly inclined posture that is gentler than the lower front surface of the pulling case (12). The combine according to claim 1 or claim 2 or claim 3.

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