JP2855722B2 - Raising device such as combine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a raising device used for a combine or a binder.

(Prior art)

2. Description of the Related Art Conventionally, as an elevating device used for a combine, a binder, or the like, there is an elevating device in which an endless chain in which a plurality of erect lugs for erecting trichomes are fixed is raised and wound inside a case. The raising case is divided into a rear case fixed to the cutting frame and a separate front case, and the front case is detachable from the rear case for internal maintenance. Various configurations have been devised which can easily attach and detach the front case.

[Problems to be solved by the invention]

The mounting member provided on the rear case and the engaging portion provided on the front case engaging with the mounting member are located inside the winding range of the endless chain wound up and wound in the case. On the other hand, the raised lug moves upward in the upright state by the lug guide, and then is pulled into the case, falls down, and moves downward. The raising lug, which moves downward in the lying state, is merely fixed to the endless chain. In addition, the endless chain itself is raised, and the run-out is not restricted in the middle part from above to below the case. Therefore, the raising lug moves downward while swinging.

Due to these factors, the raised lug interferes with the engaging portion provided on the front case and / or the mounting member provided on the rear case during the downward movement in the case, and the raised lug is damaged. In some cases, a malfunction such as generation of abnormal noise may occur. In addition, when the raising rug is pulled into the raising case, it raises straw waste generated when raising the cereal stem and brings it into the case.

Then, the straw wastes are caught and deposited on the engaging portions and the mounting members, which hinders the operation of the raising device.

[Means for solving the problem]

The present invention employs the following technical means in order to solve the above problems.

That is, a rear receiving portion which is provided with an erecting guide 10 for guiding an elevating lug 1 fixed to an endless chain 2 so as to be capable of raising and lowering an erecting body 3 causing a grain stem to an erecting posture, and fixing the erecting lug 1 to a mowing frame side. 5 and a front cover 4 detachably provided on the rear receiving portion 5, and a mounting member 7 provided on the rear receiving portion 5 with an engaging portion 6 provided on the front cover 4. At least one of the front cover 4 and the rear receiving portion 5 is provided near the mounting means, and a raising lug 1 for moving in the raising body 3 is provided. And a guide member 8 for preventing interference with both or one of the engaging portion 6 provided on the front cover 4 and the mounting member 7 provided on the rear receiving portion 5. Triggering device.

[Functions and Effects of the Invention]

When the raising device 9 is driven, the raising lug 1 fixed to the endless chain 2 is raised and protrudes from the vicinity of the lower portion of the body 3 and rises,
It is guided by the upright guide 10 and moves upward while maintaining the upright posture. In this process, the lodging culm to be planted in the field is raised to make it easy to cut.

Raised lug 1 moved to the upper part of raised body 3 is a standing guide
It is disengaged from 10 and is pulled into the body 3 and moves downward again. Raising lug 1 during this downward movement
As a result, a state occurs in which the front cover 4 and the rear receiving portion 5 are engaged with each other, and the engaging portion 6 and the mounting member 7 approach each other.

However, the engaging means 6 provided on the front-side cover 4 engages with the mounting member 7 provided on the rear-side receiving part 5 to form an attaching means for attaching the front-side cover 4 and the rear-side receiving part 5. The raising lug 1 is restricted from swinging by the guide member 8 provided on both or one side and near the mounting means, so that it interferes with both or one of the engaging portion 6 and the mounting member. Can be prevented.

As a result, it is possible to prevent the raised lug 1 from being damaged and the generation of abnormal noise, and to perform a smooth operation. In addition, the straw waste brought into the raising body 3 together with the raising lug 1 falls downward by the guide member 8 and is discharged out of the raising body 3, so that the straw waste is clogged in the raising body 3. Can be prevented, and the operation of the raising device 9 can be performed smoothly.

[Embodiment of the invention]

An embodiment in which one embodiment of the present invention is used for a combine will be described as an example.

Reference numeral 11 denotes a traveling device, 12 denotes a threshing device provided above the traveling device 11, and 13 denotes a mowing unit provided in front of the threshing device 12.

Numeral 14 denotes a herbaceous body provided at the forefront of the cutting section 13, and 9 denotes the herbaceous body.
A plurality of raising devices provided at predetermined intervals on the rear left and right sides of 14, a cutting blade 15, and a grain culm supply device 16 for supplying the space between the cut bones to the threshing device 12.

Reference numeral 3 denotes a raising body of each raising device 9, which is formed so as to be divided into a front cover 4 and a rear receiving portion 5. The rear receiving portion 5 is fixed to the cutting frame side, and the front cover 4 is detachably attached to the rear receiving portion 5.

Although illustration is omitted in the upper part in the rear side receiving part 5,
A drive mechanism is provided for an endless chain (2) in which raising lugs (1) are mounted at predetermined intervals so as to be raised and lowered. A lower guide roller 17 of the endless chain 2 is provided below the rear receiving portion 5.

Further, a base portion at the upper end of a support member 19 having a key-like shape in a side view is fixed to a rear plate 18 of the rear receiving portion 5 with a bolt 20.
The front end 21 of the support member 19 is located at a predetermined distance in front of the rear plate 18, and the lower guide roller 17 is rotated by the lower shaft 22 at the position of the rear plate 18 of the front end 21 of the support member 19. Axes freely.

On the working side of the rear receiving portion 5 where the raising lug 1 rises and moves, an upright guide 10 is provided to guide the raising lug 1 up.

At the upper end of the rear receiving portion 5, a downward engaging piece 23 having a substantially
Is formed at the upper end of the front cover 4 with the downward engagement piece.
Form 24. The upward engagement piece 24 is inserted and engaged from below the downward engagement piece 23 when the front cover 4 is moved upward, and is disengaged when the front cover 4 is moved downward.

Thus, the lower guide roller 17 is mounted on the lower shaft 22.
The lower guide roller of the lower shaft 22 is
The tip end projecting beyond the front end 17 is fixed or affixed to a tip end 21 of a support member 19 attached to the fixed rear receiving portion 5, thereby supporting the lower shaft 22 without play.

The distal end of the lower shaft 22 projects further forward than the distal end 21 of the support member 19 to form a small-diameter shaft portion 25 at the projecting portion, and an engaging portion 26 is formed ahead of the shaft portion 25. 27 is the shaft part 25 and the engaging part
26 is an engagement member.

The engaging member 27 does not require the small-diameter shaft portion 25, and may be formed only by the engaging portion 26.

An engagement member 28 is provided on the inner surface of the front cover 4 at a position corresponding to the engagement member 27. The engagement member 28 has an insertion groove 29 whose upper part is opened, and an engagement surface portion 30 with which the engagement portion 26 is engaged is formed on the left and right sides of the insertion groove 29.

An upper engaging member 31 (engaging portion 6) having the same shape as the engaging member 28 is provided on the inner surface of the front cover 4 at an intermediate position in the vertical direction.
The upper engaging member 31 forms an insertion groove 32, and an engagement surface portion 33 is formed in the insertion groove.

The rear receiving portion 5 corresponding to the upper engaging member 31 is provided with a mounting member 7 constituted by a shaft which can be freely moved in and out, and the front cover 4 is fixed to the rear receiving portion 5 by the mounting member 7. I do.

The mounting member 7 is inserted into the front and rear guide shaft cylinder 34 so as to be slidable back and forth from the front side. The rear end of the guide shaft cylinder 34 is the rear plate
Fix to 18. The front end of the guide shaft cylinder 34 is fixed to a support member 35 fixed to the upright guide 10 of the rear receiving portion 5. At the front end of the mounting member 7, a circular plate-shaped engaging portion 37 that can be located forward of the front surface of the support member 35 and the entire surface 36 of the upright guide 10 is formed.

At the rear end of the mounting member 7, a lever 38 is mounted. The lever 38 is formed in a cross-sectional shape, sandwiches the mounting member 7 from the left and right sides, and is rotatably mounted to the mounting member 7 by pins 39.

The front edge 40 of the lever 38 is formed as a cam surface, and when the lever 38 is lifted upward, the front edge 40 separates from the rear surface of the rear plate 18 and connects the mounting member 7 and the engaging portion 37 via the pin 39. Let the well go forward. When the lever 38 is lowered, the leading edge 40
The mounting member 7 and the engaging portion 37 are moved rearward through the pins 39 while being in contact with the outer surface of 18. Then, the engaging portion 37 is pressed against the engaging surface portion 33 of the upper engaging tool 31 to fix the front case to the rear case 5, and is firmly attached by this method.

The guide member 8 having an L-shaped cross section is fixed to the rear plate 18 so as to cover the mounting member 7 from above.
Then, the guide member 8 is configured so that the flat portion 41 which is in a posture substantially perpendicular to the rear plate 18 is directed downward by two turns of the endless chain as it goes downward.

The traveling device 11 is driven to move the aircraft forward. After the culm being planted in the field is divided by the weeds 14, it is caused by the rear raising device 9 and cut by the cutting blade 15. The harvested grain culm is taken over from the reaping unit 13 by the grain culm supply device 16 and further sent to the rear threshing device 12 for threshing.

In this series of combine operations, the raising device 9 is constantly driven while the cutting unit 13 is driven. After raising the cultivated grain culm, the raising rug 1 is pulled into the raising body 3 and moves downward. At this time, the raising lug 1 is regulated and guided by the guide member 8 to a position where it does not interfere with the engaging portion 6 or the mounting member 7.

Further, the guide member 8 may be configured to be attached to the inner surface of the front cover 4.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an exploded longitudinal side view of a raising body, FIG. 2 is a front view of a rear receiving portion, FIG. FIG. 4 is a longitudinal sectional side view of a main part for explaining an engaging portion, FIG. 5 is a rear view of the engaging portion, and FIG. 6 is a combine side view. DESCRIPTION OF SYMBOLS 1 ... Raised lug 2 ... Endless chain 3 ... Raised body
4 front cover 5 rear receiving part 6 engaging part 7 mounting member 8
…… Guide member 9 …… Raising device, 10 …… Standing guide, 11 …… Running device, 12 …… Threshing device 13 …… Cutting part, 14… Weeding body, 15… Cutting blade, 16 …… Grain Stalk supply device 17 Lower guide roller 18, Rear plate 19, Support member 20, Bolt 21 Top end 22, Lower shaft 23, Downward engagement piece 24
Upward engagement piece 25: Shaft, 26: Engagement part, 27: Engagement material, 28: Engagement tool 29: Insertion groove, 30: Engagement surface, 31: Upper engagement Utensil, 32
… Insert groove 33… Engagement surface part, 34… Guide shaft cylinder, 35… Support member, 36
… Front 37… Engagement part, 38… Lever, 39… Pin, 40… Front edge 41… Flat part

Claims (1)

(57) [Claims] An upright guide for guiding an erecting lug, which is rotatably supported on an endless chain to an erecting lug, is provided on an endless chain, and is fixed to a cutting frame side. A side receiving portion 5 and a front cover 4 detachably provided on the rear receiving portion 5 are formed separately, and an engaging portion 6 provided on the front cover 4 is provided on the rear receiving portion 5. Attachment means for engaging and attaching to the attachment member 7 is constituted, and at least one of the front cover 4 and the rear receiving portion 5 and near the attachment means, the elevating member moving within the elevating body 3. A guide member 8 is provided to prevent the lug 1 from interfering with both or one of the engaging portion 6 provided on the front cover 4 and the mounting member 7 provided on the rear receiving portion 5. Raising device such as a combine.