JP2007252284A - Device for storing spare seedling in transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate the storage of each spare seedling table in a device for storing spare seedlings in a transplanter, equipped with upper and lower several layers of the spare seedling tables supported by a prop for the spare seedling tables so that postures of the tables can be turned and switched between a seedling-carrying posture and a storing posture. <P>SOLUTION: The device for storing the spare seedling is formed on a parallel link L comprising: the prop 33 for the spare seedling tables 34; each spare seedling table 34 turnably supported by the prop 33 for the spare seedling tables 34; and a linking member 40 for linking the free end side of each spare seedling table 34 in the upper and lower direction. The device is installed in a storing posture-holding mechanism capable of holding the stored posture B of each spare seedling table 34 by holding the relative posture of two members 34 and 40 in the members 33, 34 and 40 forming the parallel link L. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a reserve seedling storage device provided in a transplanter such as a riding type rice transplanter.

2. Description of the Related Art Conventionally, in a transplanter such as a riding type rice transplanter, a reserve seedling storage device including a plurality of upper and lower stages of a reserve seedling platform is provided on both sides of a bonnet at the front of the machine body. Each preliminary seedling stage is attached to the support so that it can be switched between a use position (a seedling position) and a raised storage position. Further, an engaging portion is provided on the upper stage seedling stand, and an engaging portion detachably engageable with the engaging portion is formed on the free end side of the lower stage seedling stand, so that the upper side seedling stand is provided. In a state where the platform and the lower-stage preliminary seedling platform are in the ascending storage posture, by engaging the engaging portions and the engaging portions, the connection point with the support column of the lower-stage preliminary seedling platform There is known a structure in which the upper seedling stand is supported by using the (swing fulcrum) as a reaction point so that both of the preliminary seedling stands can be held in the raised storage posture (for example, Patent Documents). 1).
Japanese Patent No. 3426998 (page 3-4, FIGS. 3 and 5)

  However, in the above-described reserve seedling storage device, when the transplanter is moved and moved or stored in a garage or the like, in order to reduce the protrusion of the reserve seedling storage device from the machine body, the upper and lower sides provided on both sides of the bonnet are provided. In some cases, it is necessary to swing all of the multi-stage reserve seedling platforms one by one from the use posture to the ascending storage posture, which is disadvantageous in terms of workability.

  An object of the present invention is to solve the above-mentioned problems, and is a transplanting machine in which a plurality of upper and lower standby seedling stands are supported on a spare seedling support column so as to be swingably switchable between a seedling placement posture and a storage posture. In the preliminary seedling storage apparatus, a parallel link including the preliminary seedling stand support, each preliminary seedling base, and a connecting member that connects the free end side of each preliminary seedling base up and down is formed, and the parallel link is formed. The first feature is that a storage posture holding mechanism is provided that can hold the storage posture of each of the spare seedling stands by holding the relative posture of the two members among the members to be performed.

  A second feature is that the retracted posture holding mechanism is configured by engagement of engagement members provided on members forming the parallel links.

  A third feature is that the retracted posture holding mechanism is an ambulance capable of holding the retracted posture of each of the spare seedling stands by exceeding the fulcrum with respect to the swinging fulcrum of one spare seedling stand. .

  According to the first aspect of the present invention, in the preliminary seedling storage device of a transplanter in which a plurality of upper and lower standby seedling stands are supported on the spare seedling support column so as to be swingably switchable between a seedling placement posture and a storage posture, A parallel link composed of a stand column, each spare seedling stand, and a connecting member that connects the free end side of each preliminary seedling stand up and down is formed, and two members among the members forming the parallel link are relatively By holding the posture, the storage posture holding mechanism for holding the storage posture of each spare seedling stand is provided, so that it becomes possible to swing each spare seedling stand from the seedling placement posture to the storage posture at once. In addition, since the stored posture of each preliminary seedling stand can be easily held via the stored posture holding mechanism, workability is improved.

  According to a second aspect of the present invention, the storage posture holding mechanism is configured by engaging each of the engaging members provided on the members forming the parallel links, so that each of the spare seedling stands can be placed on the seedling at a time. After swinging and switching from the posture to the storage posture, the operation of holding the storage posture can be easily performed, and an inexpensive and compact reserve seedling storage device can be provided.

  According to a third aspect of the present invention, the retractable posture holding mechanism is an elastic machine capable of maintaining the retracted posture of each of the spare seedling stands by exceeding the fulcrum with respect to the swinging fulcrum of one spare seedling stand. Therefore, even if a special operation for maintaining the storage posture of each spare seedling stand is not performed, the storage posture can be changed by simply swinging and switching each spare seedling stand from the seedling placement posture to the storage posture at once. Since it can hold | maintain, workability | operativity improves.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 are a side view and a plan view of a riding type rice transplanter 11 which is a riding transplanter, and a lifting / lowering unit having a hydraulic cylinder 13 at a rear end portion of a body frame 12 of the riding type rice transplanter 11. A link mechanism 14 is provided, and the planting work machine 15 is connected to the elevating link mechanism 14 so as to be movable up and down, and a pair of left and right front wheels 16 and a rear wheel 17 are provided at the lower part of the body frame 12. Yes.

  A bonnet 19 that encloses the engine 18 is provided at the front of the machine body frame 12, and power output from the engine 18 is transmitted to a hydraulic continuously variable transmission (HST) (not shown) and a transmission case. The power is distributed to the traveling power and the planting power via the power transmission device, and can be transmitted to the pair of left and right front wheels 16, rear wheel 17 and planting work machine 15 described above.

  In addition, a seat 21 on which an operator sits is provided above the rear part of the body frame 12, and an operation panel 22 for displaying various monitors is provided in front of the seat 21, and a steering wheel 23, Below the driving steering wheel 23, a step 25 for forming a floor surface of the control unit 24 is provided.

  Then, the planting work machine 15 includes a transplanting device 29 provided with a seedling placing table 27 that is inclined forward, a plurality of planting rods 28 that scrape and plant seedlings from the seedling placing table 27, and this A float 31 and the like for leveling the planting field are provided below the transplanting device 29. However, these basic configurations are all conventional and will not be described in detail.

  In addition, on the sides of the front step 32 formed on the left and right sides of the bonnet 19, there are provided spare seedling support columns 33 that extend outward from the body frame 12 and are raised in a gate shape in a side view. The preliminary seedling support column 33 is provided with a preliminary seedling storage device 35 including a plurality of upper and lower (in this embodiment, three stages) preliminary seedling mounting bases 34.

  More specifically, a flat bar 36 as shown in FIGS. 3 and 4 is provided in the lower part of the preliminary seedling support column 33, and the intermediate part of the flat bar 36 faces the upper part of the preliminary seedling support column 33. The support member 37 is started up, and the support member 37 is fixed to both the members 36, 33, and each of the preliminary seedling mounts 34,. ) A pipe body 38 is fixedly mounted so as to be swingable and switchable between A and (up) storage posture B.

  Each of the preliminary seedling mounts 34,... Includes a resin support portion 34a formed integrally with the main body, a pin 39 penetrating the support portion 34a and the pipe body 38, and the pin 39 not shown. A swinging fulcrum P for supporting each of the preliminary seedling mounts 34,... So as to be swingably switchable between a seedling mounting posture A and a storage posture B is constituted by the retaining means.

  Further, a connecting member 40 made of a flat bar for connecting the free end side (tip side) of each preliminary seedling table 34,... Vertically is provided, and by this connecting member 40, each preliminary seedling table 34,. The whole forms a parallel link L made up of the spare seedling support column 33, each of the preliminary seedling stands 34,... More specifically, a connecting pipe 41 having a vertical interval similar to that of the pipe body 38 fixed to the support member 37 described above is fixed to the connecting member 41 connected to the free end side of each preliminary seedling platform 34. The free end of each preliminary seedling stage 34,... Is provided by a pin 42 that penetrates the connecting pipe 41 and the free end part of the preliminary seedling stage 34, and a retaining means (not shown) of the pin 42. The connecting part J on the side is configured.

  That is, as described above, each of the preliminary seedling stands 34,... Is formed by the parallel link L so that each of the preliminary seedling stands 34,. Workability is greatly improved. Further, the seedling placement posture A of each of the spare seedling stands 34,... Can be maintained by abutment between the preliminary seedling stand support 33 and the base E of the preliminary seedling stand 41, and the seedlings of the spare seedling stand can be maintained. There is no need to perform a special operation for maintaining the mounting posture A. Note that the contact surface of the base E of the preliminary seedling stand 41 that contacts the preliminary seedling support column 33 is formed so as to substantially match the outer shape (outer diameter) of the preliminary seedling support column 33.

  An engagement claw 43 that is engaged with an engagement hole 40a provided in the connecting member 40 is fixedly provided at a substantially center on the lower surface side of the uppermost preliminary seedling table 34. By swinging upward from the seedling placement posture A and switching to the storage posture B, by engaging the engaging claw 43 in the engagement hole 40a of the connecting member 40, each preliminary seedling placement table 34,. The storage posture B can be easily held.

  That is, the preliminary seedling support column 33 which is a member forming the above-described parallel link L, each preliminary seedling table 34,..., And two members of the connecting member 40, specifically, the preliminary seedling table 34 By holding the relative posture of both the members 34, 40 by engaging the engaging claw 43 with the connecting member 40 and the engaging hole 40a at one place, the respective reserve seedling platforms 34,. A retracted posture holding mechanism capable of holding the posture B is provided. This storage posture holding mechanism is configured by engagement between engagement members 43 and 40a provided on both members 34 and 40 forming the parallel link L, thereby allowing each preliminary seedling stand 34,. After switching from the seedling placement posture A to the storage posture B, the operation of holding the storage posture B of each of the spare seedling stands 34,... Can be easily performed at low cost through the storage posture holding mechanism. A compact spare seedling storage device 35 can be provided.

  A hook-shaped storage tool 44 that can store the seedling scraper S (see FIG. 6) is attached to the outside of the connecting member 40, so that the operator can perform a front step 32 formed on both the left and right sides of the bonnet 19. You can move on without any trouble.

  5 and 6, an elastic machine (tensile spring) provided in the vicinity of the swing fulcrum P of the lowermost (one) preliminary seedling stand 34 of the preliminary seedling storage apparatus 35. The storage posture B of each of the preliminary seedling stands 34,... Can be held via the storage posture holding mechanism 45.

  More specifically, a plate 47 having an engaging pin 46 for locking one side of the bullet machine 45 is fixedly provided on one side of the base E (supporting portion 34a) of the bottom preliminary seedling table 34 at the lowermost stage. At the same time, an engaging pin 48 protrudes from the auxiliary seedling support column 33 so that the other side of the ammunition machine 45 is locked at a position higher than the swinging fulcrum P of the lowermost preliminary seedling setting table 34 in a front view. is doing.

  In other words, with the above-described configuration, when each of the spare seedling stands 34 is switched to swing between the seedling placement posture A and the storage posture B at a time, the ammunition machine 45 swings the lowermost preliminary seedling stand 34. In the retracted posture B of each of the spare seedling stands 34,... With respect to the fulcrum P, the retracted posture B can be held by the biasing force of the ammunition machine 45, Since the storage posture B can be held only by swinging and switching the stand 34... From the seedling placement posture A to the storage posture B at a time, workability is improved.

  In the embodiment shown in FIGS. 5 and 6, a gripping tool 51 is fixed to a connecting member 40 that vertically connects the free end side of each of the preliminary seedling platforms 34,. Switching between the seedling placement posture A and the storage posture B of each of the preliminary seedling placement stands 34,. Further, by extending the upper portion 33a of the auxiliary seedling support column 33 upward as shown in the embodiment shown in FIG. 6 rather than the embodiment shown in FIG. The seedling scraper S is sandwiched and stored between the platform 34 and a special storage tool for storing the seedling scraper S can be omitted.

The side view of a riding type rice transplanter. The top view of a riding type rice transplanter. The side view which shows the structure of a reserve seedling accommodation apparatus (1st Example). The front view which shows the seedling mounting attitude | position and storage attitude | position of a reserve seedling accommodation apparatus (1st Example). The side view which shows the structure of a reserve seedling accommodation apparatus (2nd Example). The front view which shows the seedling mounting attitude | position and storage attitude | position of a reserve seedling accommodation apparatus (2nd Example).

Explanation of symbols

33 Preliminary seedling stand support 34 Spare seedling stand 40 Connecting member 40a Engaging member (engaging hole)
43 Engagement member (engagement claw)
45 Ammo A A Seedling position B Storage position L Parallel link P Swing fulcrum

Claims (3)

  Spare seedling storage of transplanting machine in which a plurality of upper and lower standby seedling stands (34,...) Are supported by a spare seedling stand support (33) so as to be swingably switchable between a seedling placement posture (A) and a storage posture (B). In the apparatus, the preliminary seedling stand support (33), each preliminary seedling stand (34,...), And a connecting member (40) for vertically connecting the free end side of each preliminary seedling stand (34,...) Each of the members (33, 34, 40) that form the parallel link (L) is maintained by maintaining the relative postures of the two members (34, 40). A preliminary seedling storage device for a transplanter, comprising a storage posture holding mechanism capable of holding the storage posture (B) of the preliminary seedling stand (34,...).   2. The preliminary transplanter according to claim 1, wherein the retracted posture holding mechanism is configured by engaging engagement members (43, 40 a) provided on the members (34, 40) forming the parallel link (L). Seedling storage device.   The retracted posture holding mechanism can hold the retracted posture (B) of each of the spare seedling stands (34,...) By exceeding the fulcrum with respect to the swinging fulcrum (P) of one spare seedling stand (34). The apparatus for storing a spare seedling for a transplanter according to claim 1, wherein the apparatus is a flexible ammunition machine (45).

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