JPH086430Y2 - Straw grass harvester - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a straw harvester equipped with a means for selecting scrap straws.

[Conventional technology]

As the straw harvester, as shown in Japanese Patent Laid-Open No. 2-46209, from the stem tip side to the root side of the strawweed that is transported backward in a sideways posture in which the plant origin is toward the already-cut area. A selection belt that stretches the card and sends the waste to the stock side, a selection roller that holds the sent waste from the top and bottom to forcibly send it out of the machine, and receives the waste sent to the cut land A device provided with a guide plate that guides the device to fall into the field has been put into practical use by the applicant.

[Problems to be solved by the device]

In the above-mentioned configuration, the guide plate is provided to prevent the dust and straw that are pulled out vigorously by the selection roller rotating at high speed from scattering toward the already-cut area, but this guide plate is a large member. Since it is attached to the upper end of the support arm that is erected vertically upward from the machine body, it is projected from the machine body to the cut land side, and it is an obstacle when storing it in the barn or loading it on the transport vehicle. It is easy to become.

Therefore, this guide plate is configured so that it can be housed and displaced on the machine side, but it does not mean that it will not come into contact with other objects at all even in this housed state, especially when it is stored in a place where contact with other objects is likely to occur. In such cases, the guide plate was removed together with the support arm. Also, the guide plate, which hinders maintenance of the machine, was also removed.

However, in the past, since the base end of the support arm was attached to the bracket connected to the fuselage by bolts, the attachment and detachment of the guide plate became troublesome, and the guide plate could be contact-deformed or damaged due to neglected removal. there were.

An object of the present invention is to enable the guide plate to be easily attached and detached without tools.

[Means for solving the problem]

In order to achieve the above object, in the present invention, the base end of a support arm that supports the upper end of the guide plate is connected to a bracket attached to a fixing member on the fuselage side, and the bracket and the fixing member include: The bracket (19) or the fixing member is provided with an engaging hole and an engaging projection with a head for engaging and disengaging the both by sliding the bracket along the connecting surface of the both, and the bracket (19) or the fixing member. A lock member that is movable between a lock position that prevents the slide and a lock release position that allows the slide is attached in a locked state.

[Action]

According to the structure of the present invention, when the guide plate is removed, the lock member is first shifted to the lock release position against the urging force, and the bracket is slid while keeping this state to engage the engagement hole and the headed engagement. By releasing the engagement with the protrusion, the bracket can be separated from the fixing member on the machine body side, and the guide plate can be removed together with the support arm.

Further, when mounting the guide plate, the bracket and the fixing member may be engaged with each other while the lock member is operated to the unlock position, and then the lock member may be displaced to the lock position by the urging force.

[Effect of device]

As described above, according to the present invention, the guide plate and the support arm can be easily and quickly attached to and detached from the machine body without using a tool. The plate can be removed, and the guide plate can be used for a long time without being deformed or damaged.

〔Example〕

FIG. 6 shows the entire side surface of the straw harvester, FIG. 7 shows its plane, and FIG. 8 shows the front of its main part.

This straw harvester is connected with a mowing pretreatment unit (3) that is vertically swingable about a front fulcrum (X) of a self-propelled machine (2) equipped with a crawler traveling device (1), and The self-propelled vehicle (2) is configured to have a recovery table (4), a driving part (5) and a control part (6) mounted thereon.

The cutting pretreatment unit (3) includes a rotating sward bar (7) which is driven to rotate at a high speed so as to break the entanglement of the strawberry grass (S) comrades by vibrating the staved grass (S) that has been planted, and a shunt. Raising device (8) for raising the harvested strawberries (S) to a predetermined mowing stand posture, a cutting blade (9) for cutting the root of the raised strawberries (S), and the harvesting strawberries (S) Holding device (10) that holds the stem tip side of the left and right sides and transfers it to the rear, and strawberries (S)
The horizontal feeding device (11) with two upper and lower stages that locks and conveys the part closer to the plant than the holding part of the plant, and blows wind to the laterally fed strawberries (S) at high speed A blower (12) that lifts up the ground side upwards and blows away the short scraps contained in the transported straw grass to the already-cut land side, and scrapes up the straw grass (S) that has been cut off, and lifts the part closer to the stock side from the holding position. A locking and lifting device (13) that bends to the sideways posture, and a selection belt that sends out the waste straw to the side of the root while combing the sideways posture of the strawberries (S) from the stem tip side toward the root side ( 14)
And a pair of upper and lower selection rollers (15) that holds the discharged waste straw from above and below and ejects it out of the machine, and bundles the straw grass (S) in the sideways posture after the selection processing and the rearward holding transportation. And a bundling device (16) for discharging onto the recovery table (4).
It is configured to be bundled in a predetermined amount and to be collected in a sideways posture on the recovery table (4).

In addition, it receives scraps that are picked up by the wind from the blower (12) and blown to the side of the cut land, and scraps that are vigorously sent to the cut side by the selection roller (15) and fall into the field. A large guide plate (17) for guiding is provided on the side of the cut land of the airframe.

The guide plate (17) has its upper end supported by the upper end of a support arm (18) standing upright from the machine body so that the angle can be changed, and the base end of the support arm (18) itself has a bracket (1).
It is connected to 9) so that the left and right swing can be adjusted in two steps. The bracket (19) is detachably connected to the machine body without a tool, and the detailed structure thereof will be described below.

As shown in FIGS. 1 to 4, the binding device (16)
A rectangular boss (20a) is projectingly provided on the outer surface of the transmission case (20) facing the cut-off land side of the boss (20a).
A fixing member (21) for supporting the bracket is bolted to the. The fixing member (21) is made of a rectangular plate material, a bent portion (21a) for bracket reception is formed on the lower side of the fixing member (21), and headed pins (22) as headed engaging projections are fixed at two upper and lower positions. It is set up.

On the other hand, the bracket (19) is formed by bending a plate material into a U-shape in a plan view, and the vertical sides (19
The base end of the support arm (18) extends over the fulcrum shaft (2
It is pivotally supported via 3) so that it can swing left and right. Further, the bracket (19) is formed with a darma hole (24) as an engaging hole for engaging with the headed pin (22), and the tarma hole (24) is engaged with the headed pin (22). Then, when the bracket (19) is slid downward along the connecting surface with the fixing member (21), the large diameter head (22a) of the headed pin (22) engages with the small diameter portion of the dharma hole (22). Then, the bracket (19) is connected to the fixing member (21), and the bracket (19) is slid upward to position the large diameter head (22a) at the large diameter portion of the dharma hole (22). Bracket (19) fixing member (21)
It is possible to leave from the outside.

In addition, a lock member (25) that is slidable left and right is formed on the bracket (19) at the slit (2) formed at the base of the vertical side (19a).
6) Through-supported through. This locking member (2
5) A deformed darma hole (27) having an inverted L-shape is formed through the lower headed pin (22), and the lock member (2
At the lock position where 5) moves to the left in the figure and the small diameter portion of the deformed Dharma hole (27) is engaged with the headed pin (22), the bracket (19) is prevented from sliding up and down, and the lock member is locked. The bracket (19) is allowed to slide up and down in the unlocked position where (25) is moved to the right in the figure and the headed pin (22) is located in the large-diameter upper and lower elongated holes of the deformed darma hole (27). It is like this.

The lock member (25) is provided with a compression coil spring (2
It is always urged to the left, that is, to the lock position side by 8), and it does not move to the lock release position to the right without permission.

Therefore, the lock member (25) is pushed rightward against the compression coil spring (28) and held at the lock release position, so that the bracket (19) is slid up and down to be attached to and detached from the fixing member (21). When the bracket (19) is engaged and connected to the fixing member (21), the lock member (25) is released and the spring is returned to the locked position, whereby the fixing member (21) of the bracket (19). The connection state with respect to is maintained.

Reference numeral (29) in the figure denotes a transmission cover mounted on the outer side of the binding device (16), and includes a belt transmission mechanism (32) from the drive shaft (30) to the binding input shaft (31) and a transmission case. (20
It is configured to cover the whole. The fixing member (21) is provided in the opening (33) having a square diameter formed in the transmission cover (29), and the guide plate (17) is provided at the time of maintenance work with the transmission cover (29) removed. )
Will be removed together with the support arm (18) and the bracket (19). In addition, as shown in FIG. 1, spring clamps (36) each including a guide piece (34) and a spring piece (35) are provided at four positions on the upper, lower, left and right sides of the inner surface of the transmission cover (29). By elastically engaging these spring clamps (36) with the upper and lower clamp bars (38), (39) fixed to the upper outer surface of the transmission case (20) and the pre-cutting processing section frame (37), respectively. The transmission cover (29) can also be removed without tools.

In the embodiment, a headed pin (2
2), and the dharma hole (2
Although 4) is used, it is also possible to use a bending pin having a hook-shaped head as the headed engagement protrusion and a mere long hole as the engagement hole. It is also possible to provide the headed engaging projection on the bracket (19) side, the engaging hole on the fixing member (21) side, and the locking member (25) on the fixing member (21) side. is there.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of a straw harvester according to the present invention, and FIG. 1 is a vertical sectional front view showing a mounting portion of a guide plate supporting arm, and FIG.
1 is a sectional view taken along the line II-II in FIG. 1, FIG. 3 is a sectional view taken along the line III-III in FIG. 1, FIG. 4 is an exploded perspective view showing a mounting portion of a guide plate support arm, and FIG. FIG. 6 is a side view of the apparatus, FIG. 6 is an overall side view of the straw harvester, FIG. 7 is a plan view thereof, and FIG. 8 is a front view of its main part. (14) …… Selection belt, (15) …… Selection roller, (17)
...... Guide plate, (18) …… Support arm, (19) …… Bracket, (21) …… Fixing member, (22) …… Headed engagement protrusion, (24) …… Engagement hole, (25 ) …… Lock member.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-2-46209 (JP, A) Actual development Sho 62-83428 (JP, U) Actual public Sho 62-24438 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A selection belt (14) in which a straw plant conveyed backward in a sideways posture in which the stock plant is headed toward the cut land is carded out from the tip of the stem toward the stock plant side to send the waste straw to the stock plant side (14 ), A selection roller (15) for forcibly sending out the scraps sent out from the top and forcibly sending them out of the machine, and a guide plate for receiving and guiding the scraps sent to the cut land side to the field ( 17) A straw harvester equipped with a support arm (18) supporting the upper end of the guide plate (17).
The base end of the bracket is connected to a bracket (19) attached to a body-side fixing member (21), and the bracket (19) is attached.
An engaging hole (24) for engaging and disengaging the bracket (19) and an engaging projection (22) with a head are distributed between the fixing member (21) and the fixing member (21). In addition, the bracket (19) or the fixing member (21) is provided with a lock member (25) that is movable between a lock position for preventing the slide of the bracket (19) and an unlock position for allowing the slide. A straw harvester characterized by being installed in a biased state.