JPH0321326Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Industrial application field] The invention is based on the method of carrying stacked seedling boxes into a seedling nursery,
and regarding improvements to carts for seedling nursery equipment for transport.

[Prior art and its problems] Generally, as shown in FIGS. 4 and 5, the seedling raising device A is constructed by installing side frames 2 and front and rear frames 3 on an underframe 1 having a rectangular planar shape. Assemble into a structure,
The upper surface and the side surfaces are covered with a heat insulating sheet 4, and the trolley rail portion 5a is disposed in the depth direction on the underframe 1.
A large number of stacked seedling boxes 6 are supported on a seedling box pedestal 5 provided with a seedling box holder 5, and the seedlings are raised using steam evaporated from a bath 7 provided at the lower part of the frame 1 and solar heat.

In order to support the stacked seedling growing boxes 6 on the seedling box pedestal 5, a cart that is manually moved on the cart rail portion 5a is used. The stacked seedling growing boxes 6 are supported on the seedling box pedestal 5, or the stacked seedling growing boxes 6 supported on the seedling box pedestal 5 are carried out. However, this type of trolley is equipped with an operating lever in the direction of loading and unloading the trolley at the center of the rear of the trolley, so when loading and unloading the stacked seedling growing boxes 6 into and out of the seedling raising device A, it is difficult to When loading and unloading the stacked seedling growing boxes 6 between the tables 5, the above-mentioned operating lever gets in the way,
This is greatly hindering the removal work.

The purpose of the present invention was to solve the problems of the conventional technology by simple and rational means, and to solve the problems of the conventional technology by using simple and rational means. It is an object of the present invention to provide a trolley for a seedling raising device that can improve workability by avoiding the work space to another area and restoring it immediately after the work is completed.

[Means for Solving the Problems] The configuration of the present invention which solves the problems of the prior art is that the width is slightly narrower than the spacing between the seedling box holders provided in parallel in multiple rows in the seedling raising device, and the depth is slightly wider than the width of the seedling raising boxes. The upper ends of rotating arms are pivotally supported on both the front and rear sides of the lower surface of the long, rectangular seedling box mounting stand, and the platform is mounted on the trolley rail between the lower ends of the left and right rotating arms. The wheel axle that rotatably supports the wheel is fixed as a bridge, and the left and right ends of the front and rear wheel axles are connected by a connecting arm, and the rear wheel axle is provided with a wheel axle to prevent rotation. In the seedling nursery trolley connected to a control lever, a slide pipe is fitted on the rear wheel shaft so as to be rotatable and horizontally movable, and the tip of the control lever is fixed to the slide pipe, Further, two engaging pins are provided symmetrically on the front and rear sides of the outer surface of the slide pipe, respectively, extending in the axial direction of the slide pipe and having one end protruding laterally from the end surface of the slide pipe. The wheel axle is provided with a stopper on the lower surface of which each of the engagement pins contacts.

[Embodiment] Next, details of an embodiment of the present invention will be described with reference to the drawings.

Fig. 1 is a plan view of the cart placed on the cart rail, Fig. 2 is a partially cutaway side view of the same as above, Fig. 3 is a perspective view of the main parts, and Fig. 4 is a front view of the seedling nursery. ,
FIG. 5 is a partially cutaway side view of the seedling raising device showing the state in which the seedling raising box group is being carried in.

Reference numeral 8 denotes a seedling box mounting stand having a width slightly narrower than the spacing between the seedling box holders 5 and a rectangular planar shape with a depth longer than the width of the seedling raising box 6; The upper ends of rotary arms 9 are pivotally supported on both the front and rear sides of the lower surface of 8, and between the lower ends of the rotary arms 9 on both left and right sides, there is provided a support for riding on the trolley rail portion 5a of the seedling box holder 5. A wheel axle 11 on which a wheel 10 is rotatably mounted is fixed like a bridge.

Further, as shown in FIG. 2, the left and right ends of the front and rear wheel axles 11 are connected to each other by connecting arms 12, and the seedling box mounting base 8, both rotating arms 9, and both connecting arms 12 A parallelogram link structure is constructed. Further, when the top surface of the seedling box mounting table 8 is higher than the top surface of the seedling box holder 5, the rotary arm 9 can be placed in a vertical position or in a slightly tilted position facing downward toward the plane of the paper as shown in FIG. It is desirable to do so.

Reference numeral 13 denotes an operating lever whose tip end is fixed to a slide pipe 14 that is slidably provided on the rear wheel axle 11 and has an axis perpendicular to the axis of the wheel axle 11. On the front and back sides of the outer surface of the slide pipe 14, there is a structure that extends in the axial direction of the slide pipe 14 and has one end attached to the slide pipe 14.
Two engaging pins 15 protruding from the end face of the wheel are symmetrically provided, and a stopper 16 is provided on the wheel axle 11 so that the two engaging pins 15 maintain a substantially horizontal position in a normal state in contact with the lower surface of the wheel. It is.
Slide pipe 1 for the rear wheel axle 11
4 in the direction of the arrow in FIG. 3 and locking both of the engaging pins 15 to the lower surface of the stopper 16, the operating lever 13, wheel shaft 11, and rotating arm 9 are integrated, and are placed in a horizontal state. Operation lever 1 located in
3, the wheel axle 11 and the rotating arm 9 are moved as shown in the imaginary line in Fig. 2, and the seedling box mounting table 8 is lowered without moving back and forth, and the seedling box is placed. The stacked seedling growing boxes 6 on the platform 8 are installed between the seedling box pedestals 5 like a bridge. The truck B of the present invention is constructed as described above.

[Description of action] Next, to explain the action, the cart B is placed on the cart rail portion 5a and pulled out in front of the seedling raising device A, and a predetermined number of stacked seedling growing boxes 6 are placed on the seedling box mounting base 8.
and keep the operating lever 13 in a substantially horizontal state, specifically, the upper surface of the seedling box mounting base 8 is higher than the upper surface of the seedling box holder 5, and place the seedling box on the lowest stage of the stacked seedling growing boxes 6. The cart B is pushed with the lower surface of the seedling box holder 5 not in contact with the upper surface of the seedling box holder 5, and the seedling raising device A is carried to the accommodation setting position. Next, when the operating lever 13 is rotated downward as shown by the imaginary line in FIG. 2, the front engagement pin 15 pushes up the front of the stopper 16 from below, causing the rotation lever 9 to move as shown by the imaginary line in FIG. The seedling box mounting stand 8 descends in the same position without moving back and forth, and the stacked seedling growing boxes 6 are placed in the seedling box receiver at a position where a predetermined distance is maintained from the rear frame 3 of the seedling growing device A. Place it on the stand 5 like a bridge.

Next, use the operating lever 13 to return the trolley B to its old position, and slide the operating lever 13 to the right in the drawing as shown by the arrow in FIG. 1 to disengage the engaging pin 15 and the stopper 16. , operation lever 1
3 to be free with respect to the wheel shaft 11, rotate this operating lever 13 downward, avoid lateral movement if necessary, and then place the stacked seedling growing box 6 in the fixed position on the seedling box holder 5 again. . Next, slide the operating lever 13 to the left in the drawing to release the engagement pin 1.
5 is engaged with the lower surface of the stopper 16, the operation lever 13 is rotated upward, and, contrary to the above, the rear side of the stopper 16 is pushed up from below by the engagement pin 15 on the rear side, so that the rotation lever 9 The stacked seedling raising boxes 6 are placed on the trolley B with the stacked seedling raising box 6 changed to a nearly vertical position, and this trolley B is again carried to the back of the seedling raising device A. The same operation is repeated, and the seedling raising box 6 is placed inside the seedling raising device A as shown in Fig. 5. The stacked seedling growing boxes 6 are sequentially accommodated in the container.

After raising the seedlings, place the stacked seedling raising box 6 into the seedling raising device A.
When taking it out to the outside, the operation is completely reversed to that described above. Then, from the top of cart B, stack seedling raising boxes 6.
The operating lever 13 is also prevented from rotating downward when unloading.

[Effects of the Invention] As described above, according to the configuration of the present invention, the following effects can be obtained.

(a) A truck with a lift mechanism is used to easily and efficiently transport and support a group of heavy seedling boxes onto the seedling box holder of a seedling nursery device, or to transport and support a group of heavy seedling boxes in a supported state. By avoiding downward rotation of the operating lever attached to the trolley, it is possible to transport the group out of the vessel, and by avoiding downward rotation of the operating lever attached to the trolley, it is possible to carry the group out of the vessel using the operating lever,
This allows efficient loading and unloading of seed seedling boxes into and out of the seedling nursery without hindering the loading and unloading work, and the operation lever can be simply rotated in the downward direction while attached to the trolley.
Of course, it is easy to operate and can quickly switch from the avoidance posture to the operating posture, and vice versa. The slide pipe to which it is fixed is fitted so that it can be rotated and moved laterally, and furthermore, it is fitted on the front and rear sides of the outer surface of the slide pipe, along the axis of the slide pipe, and one end is attached laterally from the end surface of the slide pipe. Two engaging pins protruding from each other are provided symmetrically, and on the other hand, a stopper is provided on the wheel axle so that each of the engaging pins comes in contact with the lower surface of the stopper. By rotating the operating lever downward, the front engaging pin pushes the front part of the stopper upward, and the lower part of the front and rear rotating arms is rotated through the rear wheel axle, connecting arm, and front wheel axle. As shown by the imaginary line in Figure 2, the seedling box mounting base can be placed on the seedling box holder by tilting the cart backwards, or, conversely, by rotating the operating lever upward. By doing so, the seedling box mounting table is lifted up above the seedling box holder surface by the opposite action to that described above, and the stacked seedling growing boxes can be carried in and out easily and the structure is simple.

(c) Also, rotate the slide pipe with the tip of the operating lever fixed to the rear wheel axle that makes up the truck.
Since it is fitted so that it can be moved laterally, by disengaging the engaging pin provided on the slide pipe and the stopper, the operating lever can be rotated without load and moved laterally, allowing the seedling grower to The operating lever can be moved laterally to a position where it does not interfere with loading and unloading the stacked seedling growing boxes, improving workability and handling.

[Brief explanation of the drawing]

Figure 1 is a plan view of the trolley of the present invention, Figure 2 is a partially cutaway side view of the same as above, Figure 3 is a perspective view of the main parts, Figure 4 is a front view of the seedling raising device, and Figure 5 is a partially cutaway view of the same as above. FIG. B...Dolly, 8...Seedling box mounting stand, 9...Rotating arm, 10...Wheel, 11...Wheel shaft, 12...Connection arm, 13...Operation lever, 14...Slide pipe, 15 ...Engagement pin, 16...Stopper.

Claims (1)

[Scope of claim for utility model registration] A seedling box pedestal with a rectangular planar shape that is slightly narrower than the spacing between multiple rows of seedling box holders provided in parallel in a seedling nursery and has a depth longer than the width of the seedling box. The upper ends of rotating arms are pivotally supported on both the front and rear sides of the lower surface, and between the lower ends of the rotating arms on both left and right sides, a wheel axle that is rotatably supported on a wheel mounted on the bogie rail is installed on the bridge. In the seedling nursery trolley, the rear wheel axle is fixed in place, and the left and right ends of the front and rear wheel axles are connected by a connecting arm, and an operating lever that can avoid rotation is connected to the rear wheel axle. The slide pipe is fitted so as to be rotatable and movable laterally relative to the side wheel axle, and the tip of the operating lever is fixed to this slide pipe. Two engaging pins are provided symmetrically along the axial direction of the pipe and one end of which protrudes laterally from the end surface of the slide pipe.
A trolley for a seedling nursery, characterized in that the wheel shaft is provided with a stopper, the lower surface of which each of the engaging pins contacts.