JPH1033041A - Dustproofing cover structure in combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject structure designed to facilitate opening a dustproofing cover. SOLUTION: This dustproofing cover structure has such scheme that the lateral side of a boarding control unit 4 is equipped with a longitudinal conveyor 9 to convey reaped grain culms rearward, a threshing apparatus 3 is set up behind the longitudinal conveyor 9, and a dustproofing clover 10 is fitted so as to cover the space above the longitudinal conveyor 9. In this case, the dustproofing cover 10 is designed to be switchable between such a mode as to swing it so as to allow its opposite side to be opened/closed with the vicinity of boarding control unit 4 as support and such a mode as to swing it so as to allow the boarding control unit 4 side to be opened/closed with the opposite side lying apart from the boarding control unit 4 as support.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a vertical transport device for transporting a harvested culm rearward on a lateral side of a boarding operation section, and a threshing device disposed behind the vertical transport device. The present invention also relates to a dustproof cover structure of a combine provided with a dustproof cover for covering the upper part of the vertical transport device.

[0002]

2. Description of the Related Art Conventionally, as a dustproof cover structure for a combine of this type, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. 3-112222, a state in which the upper part of a vertical conveying device is opened to the outside and a state in which the vertical conveying device is closed. There is known a device in which a dust cover can be slid back and forth so as to be able to switch to a state.

[0003]

However, in the above-mentioned conventional structure, the dust carrier is simply slid forward and backward. In particular, when the dust-proof cover is slid from the closed state to the open state of the vertical conveying device, it is necessary to slide forward. , So that it can be opened by sliding
In order to remove obstacles such as floating straws that stay in the space between the vertical transport device and the dustproof cover, the operator must slide each one to open the dustproof cover in order to remove the dustproof cover. There was a drawback that it was difficult and cumbersome to perform. In addition, when threshing is performed manually by feeding stalks on headlands, etc., it is necessary to open the dustproof cover,
At the time of the manual work, the worker works while being positioned on the side of the pre-cutting device, so that it is desirable that the dustproof cover can be easily opened and closed in that state.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dustproof cover structure of a combine which can easily open the dustproof cover.

[0005]

[Means for Solving the Problems]

(Structure) In the dust-proof cover structure for a combine according to claim 1 of the present invention, a vertical transport device for transporting the harvested grain culm rearward is provided on the lateral side of the boarding operation section, and threshing behind the vertical transport device. A dust cover structure of a combine provided with a device and provided with a dust cover that covers the upper part of the vertical transport device, wherein the dust cover is swung so that the opposite side can be opened and closed with a fulcrum near the boarding operation section. It is configured to be switchable between a moving state and a state of swinging so that the boarding control section side can be opened and closed with the opposite side away from the boarding control section as a fulcrum.

(Operation) According to the first aspect of the present invention, the dust cover is swung so that the opposite side can be opened and closed with the fulcrum near the boarding control section, and the opposite side away from the boarding control section. It is configured to be able to be switched to a state where it can swing to open and close the boarding control part with the fulcrum as a fulcrum, so if the operator of the boarding control part lifts the front side of the dustproof cover, The dustproof cover can be swung so that the dustproof cover is opened with the fulcrum as a fulcrum.On the other hand, when handling work, workers working on the side of the harvesting The dust cover can be swung so that the dust cover is opened with the vicinity of the boarding operation section as a fulcrum.

(Effects) Therefore, according to the configuration of the first aspect of the present invention, by performing the swinging operation for easily opening and closing the dustproof cover, the work mounted on the boarding operation section during the mowing work. It is very easy to open and close the dust cover by the user, and there is an advantage that the work to remove the floating straw etc. can be performed quickly and easily, and even when performing manual work, the dust cover can be opened and closed from the side where the manual work is performed Such opening and closing operation is advantageous in that the opening and closing operation can be easily performed.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show the combine. This combine is equipped with a threshing device 3, a boarding operation unit 4, a grain recovery unit 5, and the like on a body frame 2 supported by a pair of right and left crawler traveling devices 1, 1, and a front end of the body frame 2. A cutting pre-processing device 6 is mounted on the shaft P so that it can move up and down around the axis P.

The pre-cutting device 6 includes a raising device 7 for raising the cultivars of the field, a reaping device 8 for reaping the roots of the cultivated cultivars, and transporting the cut cereals to the rear threshing device 3. The vertical transport device 9 is provided. Further, a dustproof cover 10 made of a transparent resin is provided to prevent dust from coming from the vertical transport device 9 or the like located on the side of the boarding operation section 4 to the boarding operation section 4 side.

As shown in FIG. 2, the dustproof cover 10 has a substantially rectangular shape in a plan view, and is formed so that left and right edges are bent downward. As shown in FIGS. 3 and 4, a sheet metal frame 11 bent into a U-shape in plan view is attached to the lower surface of the dustproof cover 10, and the left and right sides of the frame 11 along the front-rear direction are provided. A pair of front and rear frame portions 11L, 11
R is provided with an engagement metal fitting 12 # one before and after each. Each of the fittings 12 has a leaf spring member formed in an Ω shape in a front view, and the top of the upper end of the Ω shape is fixed to the front-rear facing frame portions 11L and 11R by pinning, welding, or the like. ing. Each of the engagement metal fittings 12 of each of the front and rear frame portions 11L and 11R is a pair of left and right front and rear support frame portions 13 along a front and rear direction of a support frame 13 made of a round pipe bent and formed in a U-shape in plan view.
L and 13R are engaged with each other in a detachable manner. The support frames 13 are respectively provided on the back side of the plurality of the raising devices 7 arranged side by side on the left and right.
The end of the 3R is fixed and extended rearward.

With the above configuration, the dust-proof cover 10 is mounted on the side of the boarding operation section 4 such that the vertical transport device 9 and the like are in a state where all the engagement fittings 12 are engaged with the respective front and rear support frames 13L and 13R. It covers the upper part. In order to open the dustproof cover 10, in the case of the operator of the boarding operation section 4, if the user lifts the front portion of the dustproof cover 10 as viewed from the worker, the center axis of the left front-rearward support frame portion 13 </ b> L The engagement metal fittings 12 and 12 rotate while being engaged with the front-rear support frame 13L around the core P1, and the engagement metal fittings 12 and 12 of the right front-rear support frame 13L rotate with the rotation. The combination is released, and the boarding control section 4 is lifted up and opened. Conversely, in the case of threshing using a pillow, if a worker standing on the left side of the machine lifts a portion of the dustproof cover 10 in front of the worker, the center axis of the front-rear support frame 13L on the right side can be lifted. The engagement metal fittings 12 and 12 rotate while being engaged with the front-rear support frame 13R around the core P2, and the rotation causes the engagement metal fittings 12 and 12 of the left front-rear support frame 13R to rotate. The combination is released, and the outer side of the dustproof cover 10 is lifted and opened.

Next, the awning 15 erected at the rear of the seat 14 of the boarding operation unit 4 will be briefly described. As shown in FIGS. 1, 2, 5, and 6, the sunshade 15 is provided on a front surface of a Glen tank serving as the grain collection unit 5 provided behind the seat 14, a pair of left and right columns 16, The awning body 18 is detachably fixed to the erection frame plate 17 erected between the columns 16, 16 by pins 19. The fixing points of the sunshade main body 18 to the erection frame plate 17 by the pins 19 are set at two places at the top and bottom, and the fixing at the lower side is set at one place, while the fixing at the upper side is made at three places at the left and right. It is set so that it can be selected at a location. Thus, a state in which the upper pin fixing portion is set at the center position so as to perform a normal awning (see FIG. 6), and a posture in which the awning main body 18 is tilted to the left and right in accordance with the direction of the sun depending on the work. The sunshade attitude can be changed and adjusted so that the upper pin fixing portion is set at a suitable position on the left and right as shown in FIG.

[Another Embodiment] A structure in which the dustproof cover can be slid and opened and closed may be used together.

[Brief description of the drawings]

FIG. 1 is an overall side view showing a combine.

FIG. 2 is an overall plan view showing a combine;

FIG. 3 is an exploded perspective view showing a dustproof cover structure.

FIG. 4 is a longitudinal rear view showing a dustproof cover structure.

FIG. 5 is a partially exploded perspective view showing a sunshade structure.

FIG. 6 is a longitudinal sectional front view showing a sunshade structure;

[Explanation of symbols]

 3 Threshing device 4 Boarding control section 9 Vertical transport device 10 Dustproof cover

Claims (1)

[Claims] 1. A horizontal transport device for transporting a harvested grain culm rearward is provided on a lateral side of a boarding operation section, a threshing device is disposed behind the vertical transport device, and the vertical transport device is provided with a threshing device. A dustproof cover structure of a combine provided with a dustproof cover covering an upper part, wherein the dustproof cover is swung so as to be able to open and close on the opposite side with a fulcrum near the boarding control section, and the dust cover is separated from the boarding control section. A dustproof cover structure of a combine which is configured to be freely switchable between a state in which the boarding operation unit side can be opened and closed with the opposite side as a fulcrum.