JPH0618427Y2 - Moor conditioner - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a mower conditioner having a reel for scraping grass on the cutting part, and in particular, a scraping reel depending on the undulating state of the grass to be cut. The present invention relates to a mower conditioner that can be moved up and down.

[Prior Art] Generally, a mower conditioner for cutting grass is provided with a mowing part for mowing grass, and a take-up reel for scraping the lying grass into the mowing part is provided in the forward direction of the mowing part. To be

[Problems to be solved by the invention] By the way, in a mower conditioner having a take-in reel of this kind, the take-in reel is fixed and held at a predetermined height above the ground in order to mow lying grass. Therefore, even when cutting upright grass, the take-up reel is driven, which is uneconomical.

Further, when the take-up reel is driven and grass is scraped into the reaping section located behind the scraping reel, the working speed is delayed by the amount of the scraping step incorporated. Therefore, driving the take-up reel when cutting upright grass also delays the working speed.

The present invention has been made in consideration of the above circumstances.

It is an object of the present invention to provide a mower conditioner that can increase the working speed, save labor, and move the take-in reel easily and safely.

[Means for Solving the Problems] The present invention is a mower conditioner having a take-up reel for scraping grass on the cutting mouth, and is pivotally supported above the cutting mouth to move the take-up reel up and down. Support arm, a first link member whose one end is connected in the middle of the arm, and a second link member which is connected to the other end of the first link member and which rotates following the rotation of the support arm. And a pin member that is inserted into the second link member and is urged in the insertion direction to be inserted into and removed from common engagement holes corresponding to the retracted position and the retracted position of the take-up reel. It is composed of.

[Operation] Since the pin member inserted into the second link member is biased in the insertion direction and inserted into the common engaging holes corresponding to the retracted position and the retracted position of the take-up reel, The pin member is automatically inserted into the engagement hole only by moving the reel to the retracted position and the retracted position, respectively.

[Embodiment] An embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 shows a mower conditioner according to the present invention.

As shown in the figure, the mower conditioner 1 is provided with a box-shaped machine frame 2 which is opened forward in the traveling direction, and the machine frame 2 is provided with a drive housing 4 having an L-shaped cross section through a shoe 3. One end portion of the drive housing 4 is extended forward in the traveling direction, and the extension portion 5 is provided with a mowing portion 6 for mowing grass.

As shown in FIGS. 1 and 2, the reaper 6 is mainly composed of a plurality of discs 7 provided on the drive housing 4 along the width direction thereof.
A cutting blade 8 extending radially outward is attached to the blade.

A pair of crushing rolls 9 and 10 for crushing the cut grass is arranged in the rear of the discs 7 in a substantially vertical direction, and behind the crushing rolls 9 and 10, for discharging the cut grass. The chute 11 is supported by the support wheels 12 and extends substantially horizontally from the machine frame 2 rearward in the traveling direction.

Also, as shown in FIGS. 1 and 2, the machine frame 2 has side plates 13 and 1 extending from both side surfaces thereof to the front in the traveling direction.
4 is attached, and the side plates 13 and 14 are provided with a take-up reel 15 for taking grass into the reaper 6. That is, the machine frame 2 has a mowing opening 1 for introducing grass into the mowing section 6.
6 is formed to be open to the front in the traveling direction, and the reaper 1
The take-up reel 15 is located in front of 6.

In particular, the take-up reel 15 is movably supported from the mowing port 16 of the mowing section 6 to the storage position above it.

Specifically, as shown in FIG. 2, the take-up reel 15 includes the discs 2 separated from each other by a predetermined distance in the width direction of the cutting port 16.
1 and 22 and these discs 21 and 22 are plural (4
The tine bars 23 of the present invention are connected to each other, and the tine bars 23 are provided with the tine 24 that is rotationally driven in the clockwise direction at regular intervals along the tine bar 23. In addition, the discs 21 and 22 have support arms 2 extending from the side plates 13 and 14, respectively.
5, 26 are connected, and the support arms 25, 26 are supported by the side plates 13, 14 extending from the machine frame 2 via a support shaft 27 so as to be vertically rotatable. The left support arm 26 of these support arms 25, 26
A chain (not shown) for transmitting power, which uses the driving force of the tractor as a power source, is housed in the tine 24.

Further, the tine bar 23 is attached to the support arms 25 and 26.
The horizontal rods 28A, 28B are laid substantially parallel to each other in the forward and backward direction so as to be sandwiched between the horizontal rods 28A, 28B, and a guide plate 29 curved downward in an arc shape is provided on the horizontal rods 28A, 28B. These guide plates 29 straddle the horizontal rods 28A and 28B forward and backward, and the tines 24 along the longitudinal direction of the horizontal rods 28A and 28B.
It is attached at equal intervals across the.

Further, one end of the first link member 32 is connected to the right support arm 25 via the support shaft 31, and the other end of the first link member 32 is connected to the second link member 34 via the support shaft 33.
The second link member 34 is rotatably connected to the right side plate 13 via a support shaft 35.

In particular, as shown in FIG. 3, a pin member 41 is inserted into the second link member 34 at a substantially middle portion thereof, and the pin member 41 has a knob 42 at its proximal end and a right end at its distal end. It has a lock pin 43 that engages with the plate 13 in a detachable manner. That is, the second link member 34 includes the pin member 41.
The compression spring 44 that accommodates the lock pin 43 of FIG.
Is formed, and a holding portion 46 for holding one end of the compression spring 44 is formed. On the other hand, the right side plate 13 is provided with an engagement hole 47 that engages with the lock pin 43 in a removable manner. Is formed.

That is, when the lock pin 43 is inserted and engaged in the engagement hole 47, the second link member 34 is constrained to hold the take-up reel 15 at the mowing port 16 or the storage position above it, and When the lock pin 43 is disengaged, the lock means 51 that allows the take-up reel 15 to move up and down.
Will be configured.

Specifically, when the take-in reel 15 is held in front of the mowing port 16, as shown in FIG. 1, the support shafts 27, 31,
When a triangle connecting 33 is formed and the take-in reel 15 is stored, the support shafts 31, 33, 3 as shown in FIG.
A triangle connecting 5 will be formed.

Next, the operation will be described.

First, when grass such as grass is lying down, when cutting it, as shown in FIG. 1, the take-up reel 15 is moved down from the ground to a predetermined position and driven.

Therefore, as shown in FIG. 3, when the knob 42 is pulled against the compression spring 44, the lock pin 43 is disengaged from the engagement hole 47, the restraint state of the second link member 34 is released, and the take-up reel As shown in FIG. 1, 15 is a support shaft 2 due to its own weight.
It will move downward centering around 7.

The take-up reel 15 descends to a predetermined height, and the first link member 32 moves the right support arm 25, as shown in FIG.
When the second link member 34 moves downward beyond the support shaft 27, the second link member 34 rotates clockwise about the support shaft 35 (direction (b) in the figure).

Next, when the second link member 34 rotates downward by a predetermined amount and returns to the lock position, the lock pin 43 is inserted and engaged in the engagement hole 47 of the right side plate 13, and the second link member 34 is Rotational movement is restricted and restrained. That is, the support shafts 27, 31, 33 serving as the respective pivots
Are arranged in a triangle, and the take-in reel 15 is held in front of the reaper 16 by being locked at a predetermined height from the ground.

On the other hand, when cutting upright grass, as shown in FIG. 4, the lock state of the take-up reel 15 held at a low height is released, and the take-up reel 15 is pushed up to its storage position. It will be folded.

That is, as shown in FIG. 3, the lock pin 43 is pulled out from the engagement hole 47 formed in the right side plate 13 to release the locked state. Therefore, the take-up reel 15 is allowed to move up and down, and the take-up reel 15 serves as the center of rotation of the support shaft 2.
When the second link member 34 is manually pushed upward with the center at 7, the second link member 34 rotates upward about the support shaft 35 in the counterclockwise direction (direction (a) in the figure). When the second link member 34 pivotally moves beyond the height of the support shaft 27 of the right side support arm 25, it conversely pivots downward in the clockwise direction (the direction (b) in the figure) to move to each pivot center. The support shafts 31, 33, and 35 are arranged in a lock position that forms a triangle, and the lock pin 43 is automatically inserted into the engagement hole 47 to restrain the movement of the second link member 34.

Therefore, the take-up reel 15 is held so as to be folded while being unfolded in the storage position above the mowing port 16.

As described above, when the grass stands upright, the take-up reel 15 is developed and stored above the mowing port 16,
The grass is directly cut by the cutting blade 8 of the disk 7 and transferred to the crushing rollers 9 and 10.

As described above, the present invention holds the take-up reel 15 in front of the mowing opening 16 when the grass is in the lying state, and deploys and moves the take-up reel 15 above the mowing opening 16 when the grass is in the upright state. Since the grass is folded and stored, and when the grass is in the standing state, the grass is directly mowed without being scratched, so that energy saving can be achieved and the mowing work speed can be accelerated.

In addition, the pin member 41 inserted through the second link member 34
However, since it is urged in the insertion direction to be inserted into the common engaging holes 47 corresponding to the storage position and the scraping position of the scraping reel 15, the scraping reel 15 is set to the storage position and the scraping position. The pin member 41 is automatically inserted into the engagement hole 47 only by moving each, and the height position of the take-in reel 15 can be fixed easily and safely. In addition, the take-up reel 15 can be simply moved and fixed by a link mechanism, and the configuration is simple.

It is possible to connect the turnbuckle 52 to the first link member 32 and adjust the height at which the take-in reel 15 is held.

[Effects of the Invention] In summary, according to the present invention, the following excellent effects are exhibited.

The pin member inserted through the second link member is biased in the insertion direction and inserted into the common engaging holes corresponding to the retracted position and the retracted position of the take-up reel, so that the take-up reel is stored. The pin member is automatically inserted into the engaging hole simply by moving it to the take-up position and the take-up position, and the height position of the take-up reel can be fixed easily and safely, and the take-up reel can be moved. Also, the link mechanism is simple to fix, and the configuration is simple.

[Brief description of drawings]

1 is a side view showing a mower conditioner according to the present invention, FIG. 2 is a view taken along the line II-II in FIG. 1, and FIG. 3 is a locking means taken along the line III-III in FIG. The sectional view shown in FIG. 4 is a side view showing a state in which the take-in reel is stored. In the figure, 6 is a reaper, 15 is a take-up reel, 16 is a reaper,
Reference numeral 51 is a locking means.

Claims (1)

[Scope of utility model registration request] 1. A mower conditioner having a take-in reel for raking grass into an reaping opening, and a support arm pivotally supported on an upper part of the reaping opening for moving the take-up reel up and down. A first link member whose one end is connected in the middle of the second link member, a second link member which is connected to the other end of the first link member and rotates following the rotation of the support arm, and the second link member And a pin member that is urged in the insertion direction and is inserted into and removed from common engaging holes corresponding to the retracted position and the retracted position of the take-up reel, respectively. Moor conditioner.