JP3406784B2 - Stem stem raising device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a stem and stem raising device provided in a combine, a binder and the like. 2. Description of the Related Art Generally, a stalk and turf harvesting machine such as a combine harvester has a raising case for raising a stalk with a raising nail protruding in the left-right direction and a pulling stalk with a raising nail protruding forward. A stem and stem raising device such as an auxiliary raising case is provided,
Since it is necessary to periodically lubricate the raising chain installed in the case, it is desirable to form a lubrication hole in an appropriate place of the case. [0003] However, in the lubricating apparatus in which lubrication is performed on the descending path of the raising chain or the winding path of the wheel body, the rising cam portion of the raised raising claw moves the side surface of the raising chain. If it is not possible to perform efficient lubrication because it covers the lubrication and there is an inconvenience that oil is unnecessarily attached to the raising claw, and if the lubrication hole is separated from the raising chain, lubrication may occur. It was necessary to separately provide a pipe member or the like for guiding the collected oil to the raising chain. SUMMARY OF THE INVENTION [0004] The present invention has been made in view of the above-mentioned circumstances, and aims to provide a stem and stem raising apparatus which can solve these problems. A plurality of raising claws suspend the raising chain pivotally mounted at a predetermined interval between the driving wheel and the idler wheel provided at the upper and lower positions of the raising case and raise the raising chain. the route in the stem稈引electromotive device for maintaining the standing posture to cause pawl orthostatic cam portion causes pawl upright guide to the front
The upright cam portion is on the left of the upright chain when the upright claw is upright.
The right side is exposed, but in the prone position, the left side of the chain
It is designed to cover the right side part, and in the raising case,
A concave portion is formed along the rising path of the raising chain, and one side of the concave portion is brought into contact with the upright cam portion to raise the raising nail.
Together to function as an upright guide because the bottom surface of the recess, forms a lubrication hole causes pawl is proximate to cause chain rising path erected, elevated path position to cause the pawl is erected
The lubricating chain can be lubricated by
It is a stem stem raising device . In other words, the raising claws are raised and raised
Standing cam at the rising path position where the chain is exposed from the standing cam
The lubricating chain can be lubricated without being disturbed by the oil, so that efficient lubrication can be performed, or the inconvenience of unnecessarily adhering oil to the raising claw can be avoided. Since it is formed at a position close to the raising chain, it is possible to accurately lubricate the raising chain without separately providing a pipe member or the like. Next, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a cutting frame (pre-processing frame) which is connected to the front part of the combine so as to be able to move up and down. The cutting frame 1 has a plurality of dividers 2 for planting stems and stems, and a plurality of stems for raising stems. Raising case 3, a stalking device (not shown) for scraping stems and stems, a cutting blade device (not shown) for cutting the stem of stems and stems, and a stem and stem transporting device for sandwiching and transporting cut stems and stems (FIG. (Not shown) or the like is assembled to form a reaping unit (pre-processing unit), but any of these basic configurations is the same as the conventional one. The raising case 3 has driving wheels (sprockets) 4 and idler wheels (not shown) provided at upper and lower ends thereof, and a plurality of raising claws 5 are provided between the two wheel bodies 4 at a predetermined interval. The raising chain 6 pivotally attached to the lifting chain 6 is suspended, and the rising path of the raising chain 6 raises the rising cam portion 5 a of the raising claw 5.
While keeping the raising claw 5 in the standing posture while
On other routes, the raising claw 5 is maintained in the lying posture. In other words, the raising case 3 erected at the front end of the mowing portion is provided with the raising claw 5 having a standing posture protruding in the left-right direction.
Is raised to raise the stems and stems. The drive shaft 7 of the drive wheel 4 provided inside the raising case 3 is extended forward, and the extended portion (non-circular shaft portion) is used as a power take-out shaft. Function. In addition, 3a is a raising case 3.
A power outlet formed at the upper end portion of the front surface of the motor, and it is possible to take power from the drive shaft 7 through the power outlet 3a. However, when power is not taken out,
Power take-out port 3 with removable cover (not shown)
a. Reference numeral 8 denotes an auxiliary raising case (auxiliary divider) which is detachably mounted on the front side of the raising case 3 located at the uncut ground side end. The auxiliary raising case 8 is a pair of left and right case members. A drive wheel (sprocket) 9 and an idle wheel (pulley) are provided at upper and lower ends of a case body composed of 8a.
10 and a plurality of raising claws 11 are suspended between the two wheel bodies 9 and 10 at predetermined intervals so as to freely swing up and down. The raising cam 11a of the claw 11 is guided to be raised so as to maintain the raising claw 11 in the upright posture, while in other paths, the raising claw 11 is maintained in the lying posture. In other words, it stands upright (rearward) on the front side of the raising case 3.
The auxiliary raising case 8 attached to the upper side raises the raising nail 11 in the standing posture protruding forward to raise the stem and stem,
Since the auxiliary raising case 8 is disposed on an extension of the rear of the divider 2, the auxiliary raising case 8 actively assists in weeding the stem culms (particularly, lodging stem culms) weeded by the divider 2 based on the raising action of the raising claw 11. It functions as a divider. still,
The upright cam portion 11a of the raising claw 11 exposes the left and right side surfaces of the raising chain 12 in the upright posture, but covers the left and right side surfaces of the raising chain 12 in the lying posture. Reference numeral 8b denotes a concave portion formed on both left and right side surfaces of the auxiliary raising case 8. The concave portion 8b is formed along the rising path of the raising chain 12 so as to function as a raising guide for the raising claw 11. It has become. That is, when the raising claw 11 of the ascending path reaches the starting end (lower end) of the concave portion 8b, the rising cam portion 11a comes into contact with one side surface portion 8c (front side) of the concave portion 8b to raise the raising claw 11, and The upright state is maintained up to the terminal end (upper end) of the recess 8b. Reference numeral 8d denotes a lubrication hole formed in the auxiliary raising case 8. The lubrication hole 8d is formed for lubricating the raising chain 12 by using the oil jug 13. The lubrication hole 8d is formed in the bottom surface 8 of the recess 8b.
e and at a position close to the raising chain 12 on the ascending path. That is, since the lubrication chain 12 can be lubricated at the position where the raising claws 11 stand, the raising claws 1 can be lubricated.
1 to allow efficient lubrication without being disturbed by the upright cam portion 11a, or no inconvenience that oil is unnecessarily adhered to the raising claw 11; Since it is formed at the position, it is possible to accurately lubricate the raising chain 12 without separately providing a lubrication guide such as a pipe member. Reference numeral 14 denotes an engagement portion plate provided at a lower end portion of the auxiliary raising case 8. The lower end portion of the engagement portion plate 14 has first and second engagement pins 15 projecting inward, 16 are provided integrally at predetermined intervals in the front and rear directions.
Heads 15b and 16b having a diameter larger than 5a and 16a are formed. Reference numeral 17 denotes a divider bracket attached to the front end of the mowing frame 1. The divider bracket 17 is provided for attaching the divider 2. The divider bracket 17 of this embodiment is
An extension 27a extending upward and rearward is formed, and the extension 1 7a has a head 1 of each of the engagement pins 15, 16.
First and second engagement holes 17 larger in diameter than 5a and 16a
b and 17c are formed at predetermined intervals before and after.
The first and second engagement holes 17b, 17d allow the first and second engagement pins 15, 16 to be fitted from the side so that the auxiliary raising case 8 is inclined forward (turned) from the mounting position. In this state, the first and second engagement pins 15 and 16 are engaged with the first and second engagement holes 17b and 17c from above. It can be temporarily supported in a rotating posture. Further, when the temporarily raised auxiliary raising case 8 in the front rotation posture is pushed rearward, the auxiliary raising case 8 is rotated rearward with the rear first engagement pin 15 as a fulcrum, and the predetermined mounting is performed. In this mounting position, the shaft portion 16a of the front second engagement pin 16 abuts on the upper edge of the second engagement hole 17c at the mounting position, thereby restricting further rearward rotation. The auxiliary raising case 8 is positioned at a predetermined mounting position with the aid of the head 16b.
The play in the left and right directions can be restricted. Reference numeral 17d denotes a positioning groove formed at the lower edge of the first engagement hole 17b and the upper edge of the second engagement hole 17c. When the engagement pins 15, 1
6, the auxiliary raising case 8 is accurately positioned at the mounting position, and the attached auxiliary raising case 8 is prevented from rattling. The divider bracket 17
Is attached to the front end of the mowing frame 1 so that the vertical position can be adjusted within the range of the long hole 17e. Therefore, the lower end of the auxiliary raising case 8 is supported using the divider bracket 17. While the vertical position of the auxiliary raising case 8 can be adjusted, the divider 2 is attached to the divider bracket 17 so that the vertical position can be adjusted within the range of the long hole 2a. The vertical position can be adjusted by using the divider 2 alone. On the other hand, an L-shaped joint case 18 is provided at the upper end of the auxiliary raising case 8 so as to project inward. While the shaft 19 is supported, an input shaft 20 having a joint 21 at the front end is supported on the front end side, and both the shafts 19 and 20 are bevel gears 19 a and 20.
They are interlocked and connected via a. That is, as described above, when the auxiliary raising case 8 is rotated rearward about the first engagement pin 15, the joint 21 is fitted to the drive shaft 7 via the power outlet 3a, and The power taken out of the shaft 7 is transmitted to the drive shaft 19 to operate the auxiliary raising case 8. And joint 21
Is fitted to the drive shaft 7, the joint case 18
The cover portion 18a provided on the front end side of the power outlet 3
a, and the cover portion 18a in the cover state is
The auxiliary raising case 8 is fixed to the mounting position by fixing the auxiliary raising case 8 to the raising case 3 with a fixing tool such as the above. In the construction as described above, the first engaging portion (first engaging pin 1) for engaging the lower end portion of the auxiliary raising case 8 with the cutting frame 1 so as to be rotatable back and forth.
5 and a first engagement hole 17b), and a second engagement portion (a second engagement pin 16 and a second engagement hole 17c) for restricting the backward rotation of the auxiliary raising case 8 at the mounting position. With engagement pins 15, 16 having large diameter heads 15a, 16a at the ends.
And the engagement pin 15 based on the fitting operation from the side,
16 and engaging holes 17b and 17c that engage with the engaging pins 16 and allow the fitting operation of the engaging pins 15 and 16 and the engaging holes 17b and 17c only in the forward rotation posture of the auxiliary raising case 8. In the forward rotation posture, the auxiliary raising case 8 is temporarily supported by the two engagement portions, while in the rear rotation posture, the auxiliary raising case 8 is positioned at the mounting position by the both engagement portions. Therefore, both the engagement pins 15 and 16 can be engaged by a fitting operation from one side, and
Since the engaged auxiliary raising case 8 can be temporarily supported at the front rotation position, the work of attaching and detaching the auxiliary raising case 8 can be facilitated, and the engaging holes 17b and 17c are formed as compared with the engaging grooves. It is difficult for foreign substances such as straw to get entangled.
The inconvenience that the mounting position of the auxiliary raising case 8 is shifted by sandwiching a foreign object between the two can be prevented as much as possible. Further, when the auxiliary raising case 8 is set at the mounting position, the lower end edge of the first engaging hole 17b and the upper end edge of the second engaging hole 17c
Positioning groove 17d fitted with 16 shaft portions 15a, 16a
Is formed, so that the auxiliary raising case 8 can be accurately positioned at the mounting position or the attached auxiliary raising case 8 is prevented from rattling. The divider bracket 17 with which the lower end of the auxiliary raising case 8 engages is attached to the front end of the cutting frame 1 so that the vertical position can be adjusted.
While supporting the lower end of the auxiliary raising case 8 using the divider bracket 17, the auxiliary raising case 8 is supported.
The vertical position can be adjusted.
Can be attached to the divider bracket 17 so that the vertical position can be adjusted, so that the vertical position of the divider 2 can be adjusted independently. On the left and right sides of the auxiliary raising case 8, a concave portion 8 b is formed along the rising path of the raising chain 12, and one side surface portion 8 c of the concave portion 8 b functions as a raising guide of the raising claw 11. However, on the bottom surface 8e of the recess 8b,
Since the lubrication hole 8d is formed close to the raising chain 12 on the ascending path, it is possible to perform efficient lubrication without being disturbed by the rising cam portion 11a of the raising claw 11. There is no inconvenience that oil adheres to the lubrication unit, and since the lubrication hole 8d is formed at a position close to the raising chain 12, it is possible to accurately lubricate the raising chain 12 without separately providing a lubrication guide such as a pipe member. .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of an auxiliary raising case. FIG. 2 is a front sectional view of the same. FIG. 3 is an internal side view of the same. FIG. 4 is a plan sectional view of the same. FIG. 5 is a side view of a main part of the above. FIG. 6 is an internal side view of the main part of the above. FIG. 7 is a left side view showing an engagement portion. FIG. 8 is a right side view of the same. FIG. 9 is a front view of the same. 10A is a side view of an engagement pin, and FIG. 10B is a front view of an engagement hole. FIG. 11 is a sectional view of a joint case. [Description of Signs] 1 Cutting frame 3 Raising case 8 Auxiliary raising case 8b Recess 8d Lubrication hole 9 Drive wheel 10 Idling wheel 11 Raising claw 12 Raising chain

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01D 57/22 A01D 69/12

Claims (1)

(57) [Claims 1] A plurality of raising pawls are pivotally mounted at predetermined intervals between a driving wheel and an idler wheel which are provided at upper and lower positions of a raising case. In the stem and stem raising device that guides the rising cam portion of the raising nail in the rising path of the raising chain and maintains the raising nail in the rising position, the rising cam portion includes the raising nail. Is raised in the standing position
Exposes the left and right sides of chain, but raises when lying down
The left and right side portions of the chain are covered, and a recess is formed in the raising case along the rising path of the raising chain,
One side of the recess is brought into contact with the upright cam to raise the upright claw.
In addition to functioning as an erecting guide for erecting, a lubrication hole is formed in the bottom surface of the concave portion in proximity to the elevating chain of the ascending path on which the elevating claw is raised, and the elevating claw is raised.
You can lubricate the exposed chain at the position of the ascending path.
Stem raising device configured as follows .