JP2578713Y2 - Handling room side plate structure of threshing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE devised Invention The present invention, under feed
The present invention relates to the structure of a handling room side plate in a chain-type threshing machine.

[0002]

2. Description of the Related Art Grains whose ears are inserted into a handling room from a handling opening
Place the culm base side of the culm outside the handling room side plate below the handle
Feed chain and a pinch
Anda that threshing is performed while being transported sideways while sandwiched between banding rails
-In feed chain type threshing machines,
Rail, feed chain and handling room side plate (hereinafter referred to as handling room side plate, etc.)
Retreating from the front side of the handling room in the opening direction
To open the front of the handling room to clean and inspect the handling room.
It is preferable to configure it so that
However, in this case, the handling room side plate and the handling room supply port
Grain that has accumulated on the entrance plate that extends from
Is easy to lose by dropping out of the machine by opening movement
Occurs .

[0003]

[Problems to be solved by the invention] The purpose of the invention is to handle
To retreat the side plate from the front side of the handling room in the opening direction
Therefore, open the front part of the handling room to clean and inspect the handling room.
Equipment that can be easily installed.
When the handling room side plate opens, the grains fall out of the machine and damage.
Anda considered to lose as little as possible
-To provide feed chain type underthreshing machine
You .

[0004]

Means for Solving the Problems To achieve the above object,
In this invention, the clamping rail is inserted between the feed rail and the feed chain.
After retracting and holding in the direction in which the gap expands,
Opening by pivoting outward at the pivot point of the part
Together with the feed chain from the pinching position.
Construct so that the front side of the room (A) can be opened and open and close
The upper part of the handling room side plate in the grain stalk supply direction to the handling room entrance
It extends to the grain supply direction better side than the in and its extension part
A mating surface was formed on the inner edge of the minute, and the handling room side plate was closed.
An inlet plate in which the mating surface extends forward from the supply port of the handling room
So that the feed chain of the body joins the mating surface
And the handling room entrance when the handling room side plate is closed.
Near the feed chain on the lower side of the grain stem supply direction than the line
Scattering that deflects and recirculates grains toward the handling room at a location
An under protrusion is provided on the handling room side plate that opens and closes.
The handling room side plate structure of the dochen type threshing machine
Have .

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIG. 5, a threshing machine is mounted on a frame provided with a traveling crawler driven by power from a transmission case (M). In addition, a reaper is continuously provided in front of the frame to form a combine.

[0006] A drive sprocket (5) for driving a feed chain is mounted on a PTO shaft projecting laterally from the upper part of the transmission case (M), and the drive sprocket (5) is used to feed an under-type feed in the threshing machine. When the chain (1) is configured to rotate, and when the handling chamber side plate (2) having a structure described later is opened outward, the feed chain (1) is removed from the drive sprocket (5), In addition, the clamping rail (6) opposed to the upper side of the feed chain (1) is retracted upward to open the handling chamber side plate (2) outward together with the feed chain (1). ing.

[0007] The threshing chamber side plate (2) is pivotally its rear end in the longitudinal direction of the pivot axis (7), a fulcrum of the rotation shaft (7)
A pinch rail (6) and a pinch rail cover (8) are provided so as to be movable in a direction to open and close the handling chamber (A) by rotation, and are opposed to the upper side of the feed chain (1).
Is provided so as to be able to turn up and down around a lateral support shaft (9) located above the turning shaft (7).

A chain guide (1) for supporting and guiding the feed chain (1) is provided at an upper outer portion of the handling room side plate (2).
0) is attached, and both ends of the chain support rod (11) are supported on the front and rear portions of the lower surface of the chain guide (10), so that the handling room side plate (2), the chain guide (10) and the chain support rod (10) are supported. 11) are integrally formed, and the chain support rod (1)
1) A bent portion (11a) on the rear side is attached to the rotating shaft (7) side so that the whole can be opened sideways.

(12) and (13) are chain guides (1).
(1) an idling roller supported at the front and rear ends of (1);
Reference numeral 4) denotes a tension roller which is urged by a spring (15), and the feed chain (1) is supported by a chain guide (10) and the idling rollers (12) (1).
3), a tension roller (14) and a drive sprocket (5).

Next, the lock release mechanism (X) for releasing the feed chain (1) into the relaxed state and releasing the lock of the closed-room side chamber (2) will be described. A hook-shaped lock lever (16) is welded to an arm (19) fitted to a pivot (18) attached to a bracket (17) hanging from the front end of the chain support rod (11). The distal end of the arm (19) and the spring (15) are connected by the interlocking plate (20) and the adjusting connecting rod (21), and the lock lever (16) is connected to the pivot shaft (19) via the arm (19). 18) When pivoted around the fulcrum and operated to the state shown in FIG. 5, the spring (15) is moved over the fulcrum and the tension roller (1) is moved.
4) keeps the feed chain (1) taut.

The clamping rail (6) and the clamping rail cover (8) are integrated and mounted so as to be able to move up and down with the support shaft (9) as a fulcrum. The posture changing mechanism (Y) that changes between the non-operating state retracted upward and the operating state facing the feed chain (1) will be described. (22) is a clamping rail support rod, and a spring-loaded biasing rod ( 23), the clamping rail (6) is resiliently pressed toward the feed chain (1), a lock plate (24) is attached to the upper part on the front wall side of the fuselage, and the lock plate (24) is perforated. Insert the lock arm (2) into the slot (25).
6) is fitted into the pinching rail cover (8) with a pivot shaft (27) pivotally supported, and this pivot shaft (27) is elongated (2).
5) Up and down movement along the pinching rail (6)
Moves up and down about the support shaft (9) as a fulcrum through the clamping rail cover (8) as described above.

(28) is a lock lever projecting from the lock arm (26), and (29) is a lock lever (2).
6) engagement portions (30) and (31) for engaging and disengaging the engagement pins (29) are formed on the upper and lower sides of the lock plate (24). The arm (26) has an engagement pin (29) with an engagement portion (30).
(31) The biasing force acts in the direction to engage with (31)
2) is linked.

Therefore, as shown in FIG.
9) is fitted to the lower engaging portion (31),
The clamping rail (6) and the clamping rail cover (8) are held at the lower position by the urging force of 2), and the clamping rail (6) is locked to the clamping action position corresponding to the feed chain (1). You.

Further, an inlet plate (4) extending forward from a lower edge of a supply port (3) for supplying cereals to the handling room (A).
A lock stay (33) is provided horizontally along the front wall of the fuselage below the feed chain (1) of the lock stay (33), as shown in FIG. (11) a notch (34) which can be disengaged from the lateral side;
The lock recess (3) into which the lock lever (16) can be fitted.
5) are respectively formed, and the handling room side plate (2) is shown in FIG.
In the closed state as described above, the front side of the chain support rod (11) engages with the notch (34), and the lock lever (16) is rotated upward as described above to rotate the tension roller (14). ) When the lock lever (1
6) fits into the lock recess (35) to lock the handling chamber side plate (2) in a closed state.

As shown in FIGS. 1, 3 and 7, the supply port (3) side of the handling room side plate (2) is extended forward (to the left in the drawing), and of the extended portions. The edge of the inlet plate (4) extending forward from the supply port (3) is in close contact with the edge of the feed chain (1) on the feed chain (1) side when the handling chamber side plate (2) is closed. Is configured.

More specifically, the inner edge of the entrance plate at the front extension of the handling room side plate (2) and the edge of the feed chain at the entrance plate (4) are shown in FIG. It is bent downward as seen and formed on the corresponding mating surfaces (d) and (e),
A mating projection (36) protrudes from one of the two mating surfaces (d) and (e) (the drawing room side plate is shown in the drawing), and the mating projection (36) is formed on the other (the drawing plate is shown in the drawing). There is provided a mating hole (37) into and out of which is fitted.

Accordingly, when the handling room side plate (2) is opened outward together with the feed chain (1), first, as shown in FIG.
The retracting rail (6) in the operation state of (1) is retracted upward by the posture changing mechanism (Y) to be in the non-operation state, and then the tensioned feed chain (1) is relaxed by the lock release mechanism (X). Remove the feed chain (1) from the drive sprocket (5).

That is, when the lock lever (28) of the posture changing mechanism (Y) is operated upward, the engagement pin (29)
6 is disengaged from the engaging portion (31), and if further raised upward, the engaging pin (29) engages with the upper engaging portion (30), and FIG.
As shown in FIG. 5, the lock lever (16) on the lock release mechanism (X) side shown in FIG. 5 is turned around the pivot (18) as a fulcrum. When moved, the arm (19) and the interlocking plate (2
0) The tension roller (14) moves down via the adjusting connecting rod (21) and the spring (15), and the feed chain (1) is greatly relaxed and hangs down, coming off the drive sprocket (5).

Then, the handling room side plate (2) is moved to the rotating shaft (7).
When it is turned outward at the fulcrum, the mating projection (36)
7), disengage from the inlet plate (4), open sideways together with the feed chain (1), open as shown in FIG. 7, and return from this open state to the closed state. The operation of the reverse procedure may be performed. When the operation room side plate (2) is closed by the operation, the receiving net (38) of the operation room (A) is closed.
Is pressed and fixed by the handling room side plate (2).

The inner portion (6) of the clamping rail (6)
When a grain preventer (39) made of a rubber plate or cloth is attached to the entire length from a), and when the grain stalk is not fed laterally from the supply port (3), the lower end of the shatter preventer (39) is set in FIG. When the grain culm approaches the handling room side plate (2) and is laterally fed as shown in FIG. 9 together with the upward movement of the pinching rail (6) due to the laterally fed grain culm, in any case, Also, the opening (40) is closed to prevent scattering of grains and dust.

The handling room side plate (2) described above is shown in FIG.
As described above, the lower half of the handling port (40) is formed, and the inner half (2b) connected to the outer half (2a) on the feed chain (1) side is bent downward to form a handling chamber ( A) It is formed on a downwardly curved surface located along the outer side of the tooth trajectory tip rotation trajectory of the handling cylinder in the inside, and as shown in FIG. 1, in plan view, the feed chain (1) and the inlet plate It has a rectangular shape between (4) and the outer end of the receiving net (38), and is long in the grain stalk supply direction (b).

The handling room side plate (2) described above includes:
A scattering prevention projection (a) is provided at a position on the lower side of the grain stalk supply direction than the handling room entrance line (a) and near the feed chain (1). The scattering prevention projection (a)
The grains that are shed by the tooth handling in the handling room (A) and are irregularly reflected are redirected toward the inside of the handling room (A). As shown in FIGS. ), The upper surface becomes an obliquely upward inclined surface (a1), and the inner surface becomes an acute angle or a right angle guide surface (a2) with respect to the longitudinal direction (c) of the handling cylinder. .

[0024] By such a scattering prevention protrusions (a) is provided, culms are crossfeed inside threshing chamber (A) from the supply port (3), the inclined surface of the scattering prevention protrusions (a) (a1 ), The grain moves smoothly while being lifted to the handling cylinder side, and is threshed without being left behind, and the grains which are to be irregularly reflected in the handling chamber (A) are prevented from scattering by the scattering prevention projections (a). As a result, it is deflected toward the inside, so that it does not escape to the extension of the handling room side plate and stay there.

[0025]

[Effect of the invention] The invention is based on the under feed chain type.
Catch rail and feed chain in under-hand threshing machine and
Open the handling room side plate outward from the front side of the handling room and retreat
The front side of the handle can be opened, and
The upper part of the room side plate in the grain stalk supply direction is from the handling room entrance line
The inner edge of the extended part
When the handling room side plate is closed, the mating surface is formed on the side.
The inlet plate body whose mating surface extends from the
Then, as Dochien is joined to the mating surface of the I lateral edges
In both cases, when the handling room side plate is closed,
Located near the feed chain on the lower side of the grain stalk feeding direction
The anti-scattering projection that turns and recirculates the grains toward the handling room,
It has a handling room side plate structure that is provided on the handling room side plate that opens and closes.
Outside the handling room on the grain feed direction side of the handling room entrance line
Grain scattered toward the feed chain in the section is on the handling room side
Returned to the entrance plate side by being received by the front extension of the plate
Flowed, and lower in the grain stalk supply direction than the handling room entrance line
On the side, the scatter prevention projections allow the grain to enter the handling room
It is forcibly changed and recirculated, and the grain
Grain covers the entire handling room side plate, including the portion that extends to the
No longer stagnate particles, and after evacuation of the pinching rail
When opening the cabin side plate outward, the grains fall out of the machine and are lost.
Is reduced as much as possible . Thus, the direction of cereal feeding
Despite the presence of the forward extension and the scattering prevention projection
However, they do not share with the feed chain due to the opening of the handling room side plate.
The front of the handling room is completely retracted from the front of the handling room.
Because it is open, cleaning and maintenance of the cabin are extremely easy.
It will be easier .

[Brief description of the drawings]

FIG. 1 is a plan view of a main part.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a view on arrow P of FIG. 1;

FIG. 5 is a view of the threshing machine as viewed from a feed chain side.

FIG. 6 is an operation explanatory view.

FIG. 7 is an operation explanatory view of the same.

FIG. 8 is a cross-sectional view of a mouth portion.

FIG. 9 is a diagram illustrating the operation of the opening.

[Explanation of symbols]

1 Feed thien 2 threshing chamber side plate 3 threshing chamber supply port 4 inlet plate member 6 Kyo扼rail 40扱口 A threshing chamber a shatterproof projections Lee threshing chamber inlet line B culms feed direction D mating surface E mating surface

Claims (1)

(57) [Scope of request for utility model registration] (1 ) A lower part of a handling port (40) of a handling room (A).
Feeder to be installed along the outside of the handling room side plate (2)
En (1) and the clamping rail (6) opposed to it
Under feed chain type under-threshing threshing machine equipped
The clamping rail (6) with the feed chain (1)
After being retracted and held in the direction in which the sandwiching interval increases, the handling room side
Open the plate (2) outward at the rear pivot (7) fulcrum.
And the feed chain (1) is clamped together with its opening
The front side of the handling room (A) can be opened by retracting from the working position.
Cereal stalk of the handling room side plate (2) configured to open and close and move
Grain stalks on the upstream side in the supply direction are better than the handling room entrance line (a)
Extend to the supply side in the supply direction, and match the inner edge of the extension.
When the handling room side plate (2) is closed by forming the ditch surface (d)
The mating surface (d) is extended from the handling chamber supply port (3)
Feed chain (1) of the inlet plate (4)
To the mating surface (e) and the handling room side
When the plate (2) is closed, the grain is higher than the handling room entrance line (a).
Located near the feed chain (1) on the lower side in the culm supply direction
To prevent the particles from turning and returning to the inside of the handling room (A)
The stop projection (a) is provided on the handle room side plate (2) that opens and closes.
Threshing chamber side plate structure of that threshing machine.