JPH0713471Y2 - Weeding equipment for long culm crop reaper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a weeding device in a reaper for harvesting and processing long culm crops such as corn and sorghum.

(B) Conventional technology A reaper used for harvesting a long culm crop as described above is disclosed, for example, in Japanese Utility Model Publication No. 59-110530, Japanese Utility Model Publication No. 60-156926, and Japanese Utility Model Publication No. 61-25743. -It is already known from Japanese Patent Laid-Open No. 5040313/1983, and the reaper is a mowing machine that changes and adjusts the vertical position of gauge wheels installed on the left and right reaping frames extending forward from the self-propelled aircraft. It is configured to adjust and set the height above ground (cutting height) of the transport unit, and the front parts of the left and right mowing frames are extended to the front of the traveling range of the gauge wheel in a state of touching the ground or approaching the ground. The left and right divider bodies are attached to the extension front ends higher than the axis of the gauge wheel, and a cutting blade device is provided between the tips of both divider bodies at the rear part in the cutting culm introduction route, and two upper and lower stalks are provided above it. Arrangement of the culm-carrying and conveying device, and the conveying start end of the conveying mechanism. Part is located close to one of the two divider bodies, and the transport start end is extended diagonally backward and opposite to the side of the self-propelled machine to open to one side, and a stalk culm is provided at the transport start end. A dropper for collecting and discharging is provided.

(C) Problems to be solved by the invention By the way, in the conventional long culm crop reaper, as can be confirmed in the above-mentioned publication, the reaping frame extending further forward from the gauge wheel installation site approaches the ground or At the low position where it touches the ground, it extends straight ahead, and the divider body installed at the front end of the extension extends upward at a steep angle for a long time to the upper end to convey the upper end of the stalk-and-sandwiching and conveying mechanism. It has a structure that can be related to.

Therefore, in conventional machines, the tip of the divider body is inevitably located close to the ground, and during weeding and harvesting, the short weeds that are growing in the plant base of the long culm planting group are sown. There was a problem that the divider body got caught up to that point, which hindered the separation and transportation of long culm crops and the situation where tidy cutting and transportation was not carried out.

In addition, in the conventional machine, the divider body is extended upward from a low position at a steep inclination angle, so the resistance when separating the planted long culm crops becomes large, and the separating function for long culm crops and There was a problem that the function of taking over from the divider body to the stalk-holding and conveying mechanism and the maneuverability of the machine were also poor.

Moreover, since the cutting frame is located at a low position, the weeds that are growing in the plant base of the planting culm were caught, resulting in a decrease in maneuverability and work efficiency.

Then, this invention is implemented for the purpose of providing the weeding device in a long culm crop reaper in order to eliminate the above-mentioned problem in a conventional machine.

(D) Means for Solving the Problems That is, the present invention provides a gauge on the left and right mowing frames (2) and (2) extending forward from the traveling vehicle body (A) traveling by the drive wheels (1) and (1). The foils (3) and (3) are installed, and the divider bodies (4) and (5) are respectively attached to the front ends of the left and right mowing frames (2) and (2) extending in front of the gauge wheels (3) and (3). The cutting blade device (6) is provided below the rear end of the cutting stem culm introducing path (C) between the divider bodies (4) and (5), and the cutting stem culm introducing path (C) is attached.
Above the cutting blade device below the rear end of the inside, there are two upper and lower stages in which the transport start end is located near the divider bodies (4) and (5) and the transport end is located on one lateral side of the machine body (A). Stem stalk pinching and conveying mechanism (7) (8), and a stem whose start end is located near one divider body (4) and whose end is located between the stalk and pinching and conveying mechanisms (7) (8). A long culm crop reaper configured to install a culm raising mechanism (9), wherein the reaping frame (2) is such that it overlaps with the traveling locus of the drive wheels within the width of the divider body (4) (5). The gauge wheel (3) (3) provided in the middle part so as to be located outside (2) is provided,
The front end portions (2a) (2a) of the left and right mowing frames (2) (2) extending forward are made to extend forward and upward from the front of each gauge wheel (3) (3) portion in a side view. Part is attached to the back surface of the divider body (4) (5)
(5) The ground height (H) of the tip is configured so that the ground height of the gauge wheel shaft center (O) is also increased.

(E) Action In the long culm crop reaper to which the weeding device of the present invention is applied, the front end of the mowing frame (2) (2) protruding forward from the installation portion of the gauge wheel (3) (3). The front lower ends of the divider bodies (4) and (5) attached to the higher position are located higher than the ground height (h) of the gauge wheel axis (O) from the ground, and the divider pair (4) ( 5) is inclined obliquely rearward and upward with a gentle inclination angle, and is in a state of communicating with the stem culm raising mechanism (9) and the lower stalk and culm conveyance sandwiching mechanism (7, 8) so that the stalks can be delivered.

Therefore, during the harvesting work, short weeds etc. existing in the plant base of the planted long culm crop are not caught by the divider body (4) (5), and the front end (2a) (2a) of the harvesting frame It will be pushed downwards by, and only the stem culm group introduced into the cutting target stem culm guide route (C) will be guided with relatively little resistance at the guide edges of the gently sloped divider bodies (4), (5). Thus, the weeds are delivered in a good state in which weeds are not mixed into the stem-culm raising mechanism (9) and the stem-culm transport and sandwiching mechanism (7, 8).

(F) Embodiment Next, an embodiment of the present invention will be described with reference to the accompanying drawings.

The illustrated long culm crop reaper travels by drive wheels (1) (1) rotated by an engine (10) and is operated by a walk-behind self-propelled vehicle () operated by a handle portion (11) extending rearward. A)
Is equipped with a reaping and conveying section (B) in front of.

(2) (2) is a left and right reaping frame which constitutes a machine frame of the reaper carrying section (B), and extends from the machine body (A) toward the front near the ground (G).

Then, gauge boil attachment parts (12) and (12) are installed in the middle of extension of the mowing frames (2) and (2), and the gauge boil (3) and (3) can be freely adjusted in vertical position adjustment and fixed. In addition, the height of the cutting wheels (2) and (2) is adjusted by adjusting the heights of the gauge wheels (3) and (3), which are installed so as to overlap the traveling loci of the driving wheels (1) and (1). That is, the cutting height can be adjusted and set. Further, the front part of the mowing frame (2) (2) is extended further forward than the gauge wheel attachment parts (12) (12), The extending ends are equipped with the divider bodies (4) and (5), and the mowing frames (2) and (2) pass through the inside of the gauge wheels (3) and (3) in a plan view and are used as gauges. The frame (3) extends to the forward part of the traveling within the width of the (3), and the frame extends forward from the extending end. End (2a) (2a) provided continuously provided member, the frame front end (2a) (2a) member is extended forward obliquely upward from the extended middle portion in a side view above,
It is fixed to the back surface of the divider body (4) (5) so that the ground height (H) of the tip is higher than the ground height (h) of the axis (O) of the gauge wheel (3) (3). And is obliquely installed rearward and obliquely upward, and the space between both divider bodies (4) and (5) is configured to be the starting end portion of the cutting target stem culm introduction path (C).

Then, a vertical axis rotary type cutting blade device (6) is installed below the rear end of the cutting target stem culm introduction path (C), and above it, two upper and lower stages of the stem culm sandwiching and conveying mechanism (7). ) (8),
It is equipped with a stem culm raising mechanism (9).

Each of the upper and lower stalk-and-sandwiching / conveying mechanisms (7, 8) has a chain (13) with a conveying protrusion that is housed and suspended in a case.
(13) and the interlocking rods (14) (1)
4), the chain (13) (13) with a transfer protrusion has its transfer end connected to a mowing culm collection and discharge dropper (15) disposed on one lateral side of the machine body (A), and The transport start end portion is provided so as to extend obliquely forward so as to be close to one of the divider bodies (4), and each of the sandwiching rods (14) is provided.
Is supported by a supporting portion provided upright from the mowing frame (2) (2), and a portion of the chain (13) (13) with the conveying projections, which is located in front of the portion corresponding to the conveying start end portion, is directed to the other divider body (5). Be extended.

Furthermore, the stem culm raising mechanism (9) is arranged so as to face the front extending portion of the sandwiching rod (14) in a plan view, and the lower front end is one divider body (4) in a plan view. (7) (8), which is located near the stalk and has a rear end part extending obliquely rearward and upward from the same part and having two upper and lower rear end parts.
It is provided so that it can be located between the spaces.

In addition, another reference numeral (17) in the drawing is a transmission mechanism for transmitting power from the engine (10) to the transmission system of the drive wheels (1) (1),
(18) ··· is a two-stage upper and lower stalk-holding and conveying mechanism (7) (8)
And a stem culm raising mechanism (9) and a transmission mechanism for driving the cutting blade mechanism, etc., (19) is a cutting culm guide plate which is erected upright on the back of the cutting blade mechanism, and (20) is a stem-culm pinching and conveying mechanism ( 7) Conveyance protrusions of (8), (21) Conveyance protrusions of stem-culm raising mechanism, (22) Deck on which plant base of cutting culm collected in dropper is placed, (23) Planting stems It is a guide for guiding the root part of the culm toward the cutting blade device (6).

Next, the operation of the long culm crop reaper constructed as in the embodiment will be described.

While operating the stem-culm raising mechanism (19), the two-stage upper and lower-stage stem-culm pinching and conveying mechanisms (7) and (8), and the cutting blade mechanism by the transmission mechanism (18), the drive wheels (1) and (1) Rotate to move the machine forward and perform harvesting work.

When the machine body (A) advances, the divider body (4) attached to the front ends (2a) and (2a) of the mowing frames (2) and (2).
(5) moves forward while separating the planted stem culm group and introduces the stalks to be cut into the stalks to be cut (C) to be cut between both divider bodies (4) and (5). Since the cutting tip of each divider body (4) (5) is located at a position (H) higher than the ground height (h) of the axis (O) of the gauge wheel (3) (3), Short weeds etc. existing in the root part of the planting culm group divided by the pair (4) (5) should not be caught by the divider body (4) (5), or should be caught instantaneously. However, as they progress, they will not be pushed below the front end (2a) (2a) of the mowing frame and will not be mixed into the group of stalks to be cut on the introduction route side, and only the stalks to be cut will be the divider body ( 4) (5)
The stalk-raising mechanism (9) and both-stem-clamping-and-conveying mechanism (7) are guided by the guide edge of the sloping slop of which has a low resistance.
It is delivered smoothly and satisfactorily to (8).

Then, the stalks in the cutting stalk introduction route (C) are delivered to the upper and lower stalk sandwiching / conveying mechanisms (7) and (8) by the stalk-raising mechanism (9) for shaping. Moreover, the stock is cut by the cutting blade device (6), and then it is clamped by the stalk-clamping / conveying mechanism (7) (8) and conveyed toward the dropper (15), and standing on the same section (15). When the collection amount of the dropper (15) reaches a predetermined amount, the dropper (15) is opened and rotated to discharge the collected stems to the ground,
After the discharge, the dropper (15) returns to the stem-culm collecting posture again.

At this time, the gauge wheels (3) and (3) are used to crush the weeds and the like, so that the running resistance of the rear drive wheels (1) and (1) is reduced and the traveling is facilitated.

(G) Effect of the Invention As described above, the present invention is based on the traveling wheels (A) driven by the drive wheels (1) (1).
Left and right mowing frames (2) extending forward from the respective gauge wheels (3) (3) by installing gauge wheels (3) (3) on the left and right mowing frames (2) (2) extending forward from the The divider bodies (4) and (5) are attached to the front end portions of (2), respectively, and the cutting blade device is provided between the two divider bodies (4) and (5) below the rear end portion of the cutting stem culm introduction path (C). (6) is provided, and the transport start end is provided above the cutting blade device below the rear end in the cutting stem culm introduction path (C) and the divider body (4).
(2) Upper and lower two-stage stalk-and-sandwiching / conveying mechanism (7) (8), which is located near the section (5) and has a conveying end located on one lateral side of the machine body (A).
And a stem culm raising mechanism (9) whose start end is located near one divider body (4) and whose end is located between the stalk-sandwiching / conveying mechanisms (7) and (8). In the long culm crop reaper configured as described above, the midway so that the long culm crop reaper is located outside the reaping frame (2) (2) so as to overlap the traveling locus of the drive wheels within the width of the divider body (4) (5). The front end portions (2a) (2a) of the left and right mowing frames, which are provided with the gauge wheels (3) (3) provided in the front portion, are seen from the front side to the front upper side of the respective gauge wheel (3) (3) portions in a side view. Extended to
The extension end is attached to the back surface of the divider body (4) (5), and the ground height (H) of the tip of the divider body (4) (5) is higher than the ground height of the gauge wheel shaft center (O). A weeding device for a long culm crop reaper, which is characterized in that

Therefore, there are the following advantages.

Drive wheels (1) (1) within the width of the divider body (4) (5)
Gauge wheel (3) (3) that overlaps the running trajectory of
Since the gauge wheel (3) (3) is used to crush the weeds and the like first, the operation is facilitated and the workability is improved.

Further, the tip end of the divider body (4) (5) attached to the front end of the mowing frame front end (2a) (2a) protruding forward from the gauge wheel (3) (3) installation portion is the gauge wheel axis ( It is located at a position (H) higher than O), and the divider bodies (4) and (5) are tilted obliquely rearward and upward from a high position at a gentle inclination angle, and the stem-causing-raising mechanism (9) and the upper and lower stems. The nipping / conveying mechanism (7) (8) is contacted so that the culm can be delivered.

Therefore, the weeds are less likely to be caught on the divider bodies (4) and (5), and even if they are caught, those weeds will be attached to the front end of the mowing frame (2
a) Since it is pushed into the lower side of (2a), only the stem culms introduced into the cutting target stem culm introduction path (C) are guided with less resistance by the divider body guide edge with a sloping slope, and the stem culm is raised. Sushi mechanism (9) and upper and lower stalk sandwiching and conveying mechanism (7) (8)
Since weeds and the like are handed over to the plants in a state where they are not mixed in, a good harvesting process is performed with a small resistance to weeds and no obstruction to transportation by the weeds.

And the front ends (2a) (2a) of the mowing frames (2) (2) extending forward from the gauge wheel (3) (3) installation part
The diagonally forward and upward, and its end is a divider body (4)
Since the structure is fixed to the back surface of (5), the total length of the long culm crop reaper is shorter than that of the conventional machine, even though the divider bodies (4) and (5) are installed at a gentle inclination angle. The runnability of the machine body can also be kept good.

[Brief description of drawings]

The drawing shows one embodiment of the present invention. Fig. 1 is a side view of a long culm crop reaper to which the device of the present invention is applied, Fig. 2 is a plan view of the whole, and Fig. 3 is a front view of the same. 4 and 5 are enlarged side views of the main part, and FIG. 5 is a plan view of FIG. (1) ...... Drive wheel, (2) …… Mowing frame (2a) …… Mowing frame front end (3) …… Gauge wheel, (4) (5) …… Divider body, (6) …… Mowing blade Equipment (7) (8) …… Stem culm sandwiching and conveying mechanism (9) …… Stem culm raising mechanism, (A) …… Machine (C) …… Stem culm introduction path to be cut, (H) …… Divider body Ground height of tip (h) …… Height of gauge wheel axis to ground, (O) …… Gage wheel axis

Claims (1)

[Scope of utility model registration request] 1. Gauge wheels (3) and (3) are installed on left and right mowing frames (2) and (2) extending forward from a traveling vehicle (A) traveling by drive wheels (1) and (1), respectively. The divider bodies (4) and (5) are attached to the front ends of the left and right mowing frames (2) and (2) extending forward of the gauge wheels (3) and (3), respectively, and both divider bodies (4) and (5) are attached. A cutting blade device (6) is provided below the rear end of the cutting stem culm introduction route (C), and the cutting stem culm introduction route (C) is provided.
Above the cutting blade device below the rear end of the inside, there are two upper and lower stages in which the transport start end is located near the divider bodies (4) and (5) and the transport end is located on one lateral side of the machine body (A). Stem stalk pinching and conveying mechanism (7) (8), and a stem whose start end is located near one divider body (4) and whose end is located between the stalk and pinching and conveying mechanisms (7) (8). A long culm crop reaper configured to install a culm raising mechanism (9), wherein the reaping frame (2) is such that it overlaps with the traveling locus of the drive wheels within the width of the divider body (4) (5). The gauge wheel (3) (3) provided in the middle part so as to be located outside (2) is provided,
The front end portions (2a) (2a) of the left and right mowing frames (2) (2) extending forward are made to extend forward and upward from the front of each gauge wheel (3) (3) portion in a side view. Part is attached to the back surface of the divider body (4) (5)
(5) A weeding device for a long culm crop reaper, wherein the height (H) of the tip to ground is higher than the height of the gauge wheel axis (O) to ground.