JP4040018B2 - Sliding structure of seedling table - Google Patents

Description

The present invention relates to a seedling platform sliding structure you support the seedling platform to be horizontally reciprocated.

Japanese Patent No. 3151497 (paragraph numbers [0009] and [0010] and FIGS. 1 and 7)

The structure, operation, and effect of the invention according to claims 1 and 2 are as follows.

[Constitution]
The invention according to claim 1
A sliding rail is provided below the seedling table to guide the left and right movement of the seedling table,
At the back side of the seedling base of the seedling base, a support member for supporting the seedling base so as to be movable left and right with respect to the sliding rail is attached.
A plurality of sliding members for slidably guiding the supporting member with respect to the sliding rail between the supporting member and the sliding rail are provided at intervals along the longitudinal direction of the supporting member. While arranging the pieces,
A closed space is formed between the sliding members adjacent to each other in the longitudinal direction of the support member, between the sliding members adjacent to each other, the slide rail, and the support member. A cover body is provided.

[Action]
According to the invention of claim 2 , since the cover body is provided between the adjacent sliding members, and the lubricating oil is held by the oil retaining portion formed between the sliding body in the cover body, the sliding body lubricating oil is in contact with the rail surface, and the lubricating oil is supplied to the sliding rail, it is possible to smoothly slide the seedling platform.
Since the cover member is provided with a sliding contact portion with respect to the sliding rail, it is possible to prevent leakage to the outside of the lubricating oil held in the AburaTome portion at the portion where the sliding contact.

[effect]
According to the present invention of claim 2, and not prevent the lubricating oil from leaking into portions other than the sliding portion between the seedling platform and the sliding rail, dripping or onto圃面lubricating oil, AburaTome portion It has been possible to prevent foreign objects such as trash from entering.

The structure, operation, and effect of the invention according to claim 3 are as follows.

[Constitution]
The invention according to claim 3 is that, in the invention according to claim 2 , the oil supply hole communicating with the oil reservoir space is formed in the slide rail, and the operation and effect thereof are as follows.

[Function and effect]
According to the invention of claim 3, since the slide rail belongs to the fixed side, the portion for supplying the lubricating oil does not move together with the seedling stage, so that, for example, the lubricating oil supply structure is provided on the seedling stage. There is no need to pay attention to the point where it is necessary to devise in order to avoid interference with other devices along with the movement when provided.

The configuration, operation, and effect of the invention according to claim 4 are as follows.

[Constitution]
The invention according to claim 4 is that, in the invention according to claim 2 or 3 , the input opening end of the supply pipe that supplies oil to the oil reservoir space is extended to open on the side where the seedling is placed. There are the following effects.

[Function and effect]
According to the invention according to claim 4, since the input opening end is opened to the seedling surface existing side in the seedling table, the operator is on the side opposite to the seedling surface existing side where the equipment is arranged in a complicated manner. There is no need to perform the replenishment work, and the replenishment work can be performed while securing a sufficient scaffold on the side of the seedling surface that forms a relatively wide space.
Therefore, it is possible to reduce the work load for the replenishment work.

  As shown in FIGS. 1 and 2, a seedling planting device 5 is mounted at the rear end of a traveling machine body having front and rear wheels 1 and 2 by a lifting hydraulic cylinder 4 so as to be movable up and down through a lifting link mechanism 3. In both cases, the traveling machine body is provided with a driver's cockpit 11 and a powder storage hopper 12 for a fertilizer applied behind the driver's cockpit 11 to form a riding rice transplanter with a fertilizer applied.

  As shown in FIGS. 1 and 2, the seedling planting device 5 includes a feed case 17 that receives power transmission from a driving part mounted on a traveling machine body via a transmission shaft 22, and a lateral frame 18 that protrudes left and right from the feed case. Are arranged, and three planting transmission cases 6 are provided rearward from the lateral frame 18, and the seedling platform 10 is supported so as to be able to reciprocate in the left and right directions by being supported by the upright supports from the left and right planting transmission cases 6. Arranged and configured.

  As shown in FIGS. 1 and 2, a rear end portion of the planting transmission case 6 is provided with a pair of left and right rotation transmission cases 7 and a pair of seedling planting mechanisms 8 for each rotation transmission case 7. A seedling is cut out from a mat-like seedling placed on the seedling surface of the seedling table 10 with the planting claws of the planting mechanism 8 and planted on the field. At the front end of each planting transmission case 6, a planting transmission shaft 23 is installed in a state parallel to the lateral frame 18, and a driving force is applied to each seedling planting mechanism 8 by receiving power transmission from the feed case 17. Is communicating.

  The lateral movement mechanism of the seedling bed 10 will be described. As shown in FIG. 2, a spiral shaft 19 for lateral feed extends from the feed case 17 toward one lateral side, and the extended end is rotatably supported by a bracket 20 erected from a lateral frame 18. ing. A frame member (not shown) is engaged with the spiral groove of the spiral shaft 19, and an interlocking frame 21 containing the frame member is configured to be reciprocally movable left and right. The front end of the interlocking frame 21 is connected and fixed to the seedling platform 10, and as the interlocking frame 21 moves, the seedling platform 10 moves back and forth at a constant stroke in conjunction with the planting operation of the seedling planting mechanism 8. It is configured to be movable.

  The vertical feed mechanism 35 provided in the seedling bed 10 will be described. As shown in FIG. 2, a driven roller 33 that is loosely supported on the driven shaft 32 and a drive transmission shaft 26 disposed below the driven roller 33 for each planting number. A conveyor belt 34 is wound around the attached drive roller 28. The drive shaft 25 is built in the transmission shaft 26, and each of the three clutches 29, 30, 31 is provided between the transmission shaft 26 and the on / off operation of each of these strip clutches 29, 30, 31. Thus, the idle shaft 26 for every two strips is linked to the drive shaft 25 to drive the conveyor belt 34.

  On the other hand, a longitudinal feed drive shaft 36 extends from the side opposite to the projecting side of the spiral shaft 19 from the feed case 17, and the tip of the longitudinal feed drive shaft 36 is rotatable by a bracket 37 erected from the lateral frame 18. I support it. A pair of left and right drive arms 36a, 36a are attached to the longitudinal feed drive shaft 36, and a passive portion 27 is attached to the drive shaft 25 provided on the seedling platform 10, and the receiving arm 27a of the passive portion 27 is driven by the drive arm 36a. It is constituted as follows.

  In the configuration as described above, when the seedling platform 10 is laterally driven by the lateral feed mechanism and reaches the stroke end, the receiving arm 27a reaches the same position as the one drive arm 36a, and the drive arm 36a is always rotating. The vertical feeding mechanism 35 is configured so that the receiving arm 27a is driven by the rotational phase at which the driving arm 36a and the receiving arm 27a interfere with each other, and the vertical feeding belt 34 is driven by a certain stroke. is there.

  In addition, the clutch mechanism 24 is provided in the rear-end part of each planting transmission case 6, and it has comprised so that power transmission to the seedling planting mechanism 8 can be turned on and off. The clutch mechanism 24 is configured to be turned on and off in conjunction with each of the line clutches 29, 30, and 31 so that each seedling planting mechanism 8 and the corresponding longitudinal feed mechanism 35 can be turned on and off by two lines. It is.

  Next, the fertilizer application will be described. As shown in FIG. 1, a feed mechanism 13 is provided below the powder storage hopper 12, and a blower fan 14 is provided below the driver seat 11 for air-transporting the powder fed by the feed mechanism 13. The granular material conveyed by the blower fan 14 is guided to the grooving device 15 via the supply hose 16 and supplied to a predetermined position on the field.

  The lateral movement structure of the seedling platform 10 will be described. As shown in FIGS. 1 and 3, the seedling platform 10 is configured to be slidable to the left and right with its upper portion supported by a support column 41, which is erected from the left and right planting transmission cases 6, via a support roller 41 </ b> A. ing. Below the lower end portion of the seedling platform 10 is provided a slide rail 42 that guides the lateral movement of the seedling platform 10. The slide rail 42 has a rectangular cylindrical base end portion 42 </ b> A having a rectangular cross section and a corner. It is composed of a cylindrical base end part 42A and a seedling receiving part 42B that extends downward and extends obliquely upward from the lower end part. The receiving metal fitting 43 is engaged and supported from below with respect to the rectangular tubular base end portion 42A. The receiving metal fitting 43 is slidably inserted into the planting transmission case 6 and supported by the seedling amount adjusting arm 53. Thus, the sliding rail 42 is used to support the mat-like seedling on the seedling surface.

  As shown in FIG. 3 and FIG. 5, a support member 44 having a channel-shaped cross section is attached and fixed to the lower end of the seedling platform 10 on the side opposite to the seedling surface existing side, and the lateral width of the seedling platform 10 is fully fixed. The sliding member 45 placed on the upper surface of the sliding rail 42 and accommodated in the channel-like space of the downward opening of the supporting member 44 is housed and fixed by bolts 46. Four sliding members 45 are arranged at predetermined intervals along the longitudinal direction of the support member 44.

  With the above configuration, the seedling bed 10 is configured such that the lower end portion is supported by the slide rail 42 and the upper portion is supported by the left and right support columns 41 so as to be reciprocally movable left and right.

As shown in FIGS. 4 and 5, resin-made cover bodies 48 are respectively arranged between the plurality of sliding members 45 arranged along the longitudinal direction of the support member 44, and the length of the cover body 48 is Both end surfaces in the direction are disposed in contact with the end surface of the sliding member 45. The cover body 48 is provided with both side surfaces 48A, 48A hanging downward facing the both side surfaces of the slide rail 42, and a channel-like pocket space is formed by the side surfaces 48A, 48A and the upper surface portion 48B. In addition, grease is held in the pocket space, and the pocket space is formed in the oil reservoir space a. Here, the side surface portion 48A is referred to as a portion that makes sliding contact with the slide rail 42, and the upper surface portion 48B is referred to as an oil retaining portion that forms the oil reservoir space a.
A stainless steel reinforcing plate 50 is put on the side surface on the seedling surface side from the upper surface of the rectangular tubular base end portion 42A of the sliding rail 42, and the oil retaining space a is placed on the reinforcing plate 50 and the sliding rail 42. An oil supply hole b communicating with is provided.

  The oil reservoir space a is formed with a through hole penetrating the upper and lower surfaces of the slide rail 42, and the supply pipe 49 is penetrated from the lower surface side through the upper and lower surfaces of the oil rail space a. It is configured to supply grease. A flange portion 49A is provided at an intermediate position of the supply pipe 49, and the flange portion 49A is brought into contact with the lower surface of the rectangular tubular base end portion 42A of the slide rail 42 from below to be bolted, so that the supply pipe 49 is fixed. It is fixed to the slide rail 42. The supply pipe 49 is bent along the seedling receiving portion 42B of the slide rail 42, and is positioned below the seedling receiving portion 42B and below the partition wall 10A formed on the seedling setting surface. Thus, a charging opening end 49a that opens toward the seedling surface existing side is provided. The opening position of the insertion opening end 49a is set to a position where the planting claw does not interfere with the seedling outlet 42C from which the seedling is extracted. On the other hand, the end of the supply pipe 49 on the slide rail side is formed at a discharge opening end 49 b facing the oil supply hole b of the slide rail 42. A grease nipple 51 is screwed to the charging opening end 49a of the supply pipe 49, and usually a cover 52 is covered.

Side view of the whole rice transplanter Rear view showing the lateral feed mechanism and vertical feed mechanism of the seedling planting device Longitudinal side view showing sliding rail structure of seedling rest Vertical side view showing the oil supply structure for the slide rail of the seedling platform Exploded perspective view showing oil supply structure for slide rail of seedling table

Explanation of symbols

10 Seedling table 42 Slide rail 44 Support member
45 Slide member 48 Cover body 48A A portion of the cover body that is in sliding contact with the slide rail 48B A portion that forms the oil retaining space of the cover body a Oil retaining space b Oil supply hole

Claims (4)

A sliding rail is provided below the seedling table to guide the left and right movement of the seedling table,
At the back side of the seedling base of the seedling base, a support member for supporting the seedling base so as to be movable left and right with respect to the sliding rail is attached.
A plurality of sliding members for slidably guiding the supporting member with respect to the sliding rail between the supporting member and the sliding rail are provided at intervals along the longitudinal direction of the supporting member. While arranging the pieces,
A closed space is formed between the sliding members adjacent to each other in the longitudinal direction of the support member, between the sliding members adjacent to each other, the slide rail, and the support member. A sliding structure for a seedling table provided with a cover. The seedling set according to claim 1 , wherein the cover body is formed with a portion that is in sliding contact with the slide rail and an oil reservoir portion that forms an oil retaining space that holds lubricating oil between the slide rail. The sliding structure of the table. The sliding structure of the seedling platform according to claim 2, wherein an oil supply hole communicating with the oil reservoir space is formed in the slide rail . The sliding structure of the seedling platform according to claim 2 or 3, wherein an inlet opening end of a supply pipe for supplying oil to the oil reservoir space is extended to open on the seedling surface existing side.

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