Seedling tray scooping and transporting device

Abstract

To provide a seedling box scooping conveyor capable of scooping and conveying a seedling box in a planted state prepared in an agricultural green house to a scheduled scooping position.SOLUTION: This seedling box scooping conveyor comprises: a pair of left and right main wheels 8 fitted to the longitudinal center of a seedling box deck part 1 and provided at positions where the seedling box deck part 1 can be lifted like a seesaw; a rolled front wheel 14 supported on the front of the seedling box deck part 1; a pair of auxiliary wheels 9 movably fixed to a seedling box deck part frame lift 7 at the rear end of the seedling box deck part 1; and a free orientation wheel 6 fitted to a small frame body 15 constructed behind the seedling box deck part 1. A stepped part 35 of a seedling box is scooped up by a rotating roll 33 of a seedling box scooping part 4 provided at the front end of the seedling box deck part 1, the seedling box is placed on a pair of conveyor belts 3 as the seedling box scooping conveyor A is pushed forward, and sequentially transferred to the position of a waist, transferred until hitting a limit switch 12 of an upper end, and changed to a seedling box conveyance container provided on a track deck part.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a seedling tray pick-up and transporting device that can pick up seedling trays in a planted state prepared in an agricultural greenhouse and transport them to a predetermined position. [Background technology]

[0002] In recent years, the invention of rice transplanters has made rice farming less difficult, but at the same time, the labor that had previously been supported by hard work has weakened due to aging, and it still takes a great deal of labor and expense to transport seedling trays to the rice transplanters, so there has been a demand for a reduction in this work. Conventionally, a wheelbarrow has been known as a transport vehicle for seedling trays, which has one or two wheels under a loading platform with left and right side panels, and a handle at the rear of the loading platform with a handle lever on the handle for operating the stopper body (see Patent Document 1).

[0003] In this known technology, after moving the wheelbarrow to an agricultural greenhouse where seedling trays have already been lined up, the handle is lifted to place the tip of the wheelbarrow on the ground, and the handle lever is operated to retract the stopper body from the side panels. By moving forward while still holding the handle lever, the seedling trays are guided by the left and right side panels and transferred onto the loading platform. When a predetermined number of seedling trays have been loaded in this way and the handle lever is released, the stopper body protrudes from the side panels, securing the seedling trays on the loading platform so they do not slide off. The handle is then lowered to keep the loading platform nearly horizontal, and the seedling trays can be transported from the agricultural greenhouse in the same way as with a conventional wheelbarrow. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Utility Model Registration No. 3073987 (see Figure 3, 0022-0024) Summary of the Invention [Problem to be solved by the invention]

[0005] An object of the present invention is to provide a seedling box scooping and transporting device that can scoop up seedling boxes in a planted state prepared in an agricultural greenhouse and transport them to a predetermined position. [Means for solving the problem]

[0006] The seedling tray scooping and transporting device of the present invention comprises a seedling tray loading platform on which multiple seedling trays can be placed, main wheels positioned to allow the seedling tray loading platform to be raised and lowered like a seesaw, a seedling tray scooping part positioned at the front end of the seedling tray loading platform so as to be able to scoop up steps at the bottom of the seedling trays, and a loading platform frame lifting part at the rear end of the seedling tray loading platform which is equipped with directional wheels fixed to the loading platform frame lifting part and movably fixed auxiliary wheels, allowing the position to be changed between a seedling tray scooping state and a transporting state. The seedling tray loading platform consists of a pair of left and right vertical frames made of lightweight C-shaped steel, multiple intermediate horizontal frames made of lightweight C-shaped steel joined between the vertical frames, multiple guide rolls stretched between the vertical frames, and a pair of left and right conveying belts stretched across the front and back of the seedling tray loading platform and guided by multiple guide rolls. The seedling tray scooping section has a guide seat that is spanned and fixed via a support metal joined to the tip of the vertical frame, and the guide seat guides a pair of left and right conveying belts.A support shaft is supported by bearings fixed to the guide seat, and a rotating roll integrated with the belt guide wheel is fixed to the support shaft. The loading frame lifting section comprises an auxiliary wheel movably fixed to a small frame constructed at the rear of the seedling box loading platform, a fixed frame rotatably supported on the support shaft of the auxiliary wheel, and a foot lever which is supported on a pin on a support bone erected on the fixed frame and which is raised by stepping on a pedal around the pin; the foot lever engages with a rotating top attached to a guide plate erected inside the small frame, and the entire rear end of the small frame and seedling box loading platform is raised by stepping on the pedal. [Effects of the Invention]

[0007] The seedling box scooping and transporting device of the present invention has a scooping protrusion formed on the rotating roll of the seedling box scooping section located at the front end of the seedling box loading platform, which scoops up the stepped section at the bottom of the seedling box.As the seedling box scooping and transporting device is pushed forward by human power, the seedling boxes are sequentially placed on a pair of conveyor belts and transported up the seedling box loading platform to a position up to the person's waist, and are transported until the limit switch at the top is struck.This has the effect of making it possible to lightly and efficiently transfer seedling boxes to a seedling box transport container mounted on the truck loading platform, which has traditionally been considered one of the toughest rice farming tasks, by bending over and transporting them to a designated position. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 2 is a right side view of the seedling tray scooping and transporting device according to the present invention. [Figure 2] 1 is a plan view of a seedling tray scooping and transporting device according to the present invention. [Figure 3] FIG. 4 is a partially enlarged explanatory view of the left side of the bed frame lifting section. [Figure 4] FIG. [Figure 5] (a) One side view, (b) front view of a rotating roll, (c) one side view, (d) front view of a planar gate-type rake blade. [Figure 6] 1A is an explanatory diagram of the operation of the seedling tray scooping and transporting device according to the present invention when scooping up seedling trays, and FIG. 1B is an explanatory diagram of the operation of the seedling tray transporting device when transporting seedling trays. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the seedling tray scooping and transporting device of the present invention will be described below with reference to the accompanying drawings. As shown in the right side view of Figure 1, the seedling box scooping and transporting device A of the present invention consists of a pair of left and right conveyor belts 3 that are stretched across the front and rear of the seedling box loading platform 1 and guided by a plurality of guide rolls 2, a seedling box scooping unit 4 provided at the front end of the conveyor belts 3, and a loading platform frame lifting unit 7 equipped with a motor 5 that supplies power to the seedling box scooping unit 4 via the conveyor belts 3 and directional wheels 6. The seedling box scooping and transporting device A comprises a seedling box loading platform 1 capable of carrying multiple seedling boxes, main wheels 8 positioned so that the seedling box loading platform 1 can be raised and lowered like a seesaw, a seedling box scooping part 4 provided at the front end of the seedling box loading platform 1 so that it can scoop up steps at the bottom of the seedling boxes, and directional wheels 6 fixed to a loading platform frame lifting part 7 at the rear end of the seedling box loading platform 1 and auxiliary wheels 9 that are fixed and movable, allowing the device to change position between a seedling box scooping state and a transporting state.

[0010] As shown in the plan view of Figure 2, the seedling box carrier 1 comprises a pair of left and right lightweight C-shaped steel vertical frames 10, a plurality of intermediate lightweight C-shaped steel horizontal frames 11 joined between the vertical frames 10, and a plurality of guide rolls 2 stretched across the vertical frames 10. It also comprises a seedling box scooping unit 4 connected to the front end of the seedling box carrier 1, and a limit switch 12 connected to the rear end of the seedling box carrier 1. It also comprises a gate-shaped handle 13 extending from the rear end of the seedling box carrier 1.

[0011] The main wheels 8 are mounted on a pair of left and right axles at the center of the seedling box carrier 1 in the longitudinal direction, and are positioned so that the seedling box carrier 1 can be raised and lowered like a seesaw. As shown in Figure 1, the system comprises a roll-shaped front wheel 14 supported on a shaft at the front of the seedling box carrier 1, a pair of auxiliary wheels 9 movably fixed to the carrier frame lifting section 7 at the rear end of the seedling box carrier 1, and a directional wheel 6 attached to a small frame 15 constructed at the rear of the seedling box carrier 1.

[0012] As shown in the partially enlarged explanatory diagram of Figure 3, the conveying belt 3 is driven by a battery 16 externally installed in a small frame body 15 constructed behind the seedling tray loading platform section 1, and is rotated by a gear (not shown) connected to a chain (not shown) controlled via a motor 5 and a reducer 17. The carrier frame lifting section 7 comprises auxiliary wheels 9 movably fixed to a small frame 15 constructed at the rear of the seedling box carrier section 1, a fixed frame 19 rotatably supported on the support shaft 18 of the auxiliary wheels 9, and a foot lever 23 which is provided with a pin 21 journalled on a support rib 20 erected on the fixed frame 19 and which is raised by stepping on a pedal 22, centred on the pin 21. The foot lever 23 is engaged with a rotating top 25 mounted on a guide plate 24 erected within the small frame 15, and the entire small frame 15, i.e. the entire rear end of the seedling box carrier section 1, is raised by stepping on the pedal 22.

[0013] The platform frame lifting section 7 is used when scooping up seedling boxes, and when transferring seedling boxes to the seedling box platform section 1, the directional wheels 6 provided inside the small frame body 15 are required to be in a floating state, and after the transfer operation is completed, the directional wheels 6 of the small frame body 15 are grounded and the auxiliary wheels 9 are raised, so that the main wheels 8 and the directional wheels 6 work together to easily move the small frame body 15 sideways. A spring (not shown) stretched between the seedling tray carrier part 1 and the fixed frame 19 is under tension, and acts on the return movement of the foot lever 23 when the stop bar 27 is released. It is also possible to use a rubber spring material instead of this spring.

[0014] As shown in the enlarged explanatory diagram of Figure 4, the seedling tray scooping section 4 has a guide seat 29 suspended and fixed via a support metal 28 joined to the tip of the vertical frame 10, and the guide seat 29 guides a pair of left and right conveying belts 3, and a support shaft 31 is supported by a bearing 30 fixed to the guide seat 29, and a rotating roll 33 integral with a belt guide wheel 32 is fixed to the support shaft 31.

[0015] It is also possible to gently transport seedling boxes (not shown) containing rice seeds (not shown) from waist level to the ground surface, and in this case, as shown in Figures 5(c) and (d), a gate-shaped scooping blade 37 that is screwed to the guide seat 29 is used instead of the rotating roll 33. In this way, the seedling boxes will not bang against the ground surface when they land, and the seeds will not fall out of the seedling boxes in which they have been sown. The belt guide wheel 32 and the rotating roll 33 are integrated with each other by adhesive 38 applied to the belt guide wheel 32 side.

[0016] Next, the operation of the seedling tray scooping and transporting device of the present invention will be described below with reference to the accompanying drawings. In the operation explanatory diagram of the seedling tray transport state in Figure 6(b), when the directional wheels 6 are on the ground and the auxiliary wheels 9 are off the ground in the loading platform frame lifting section 7 of the seedling tray loading platform 1, stepping on the pedal 22 of the foot lever 23 shown in Figure 3 causes the right end of the foot lever 23 to spring upward around a pin 21 journaled on a support rib 20 erected on a fixed frame 19 that is rotatably journaled on the support shaft 18 of the auxiliary wheels 9. At this time, the small frame 15 rotates around a fulcrum 36, the auxiliary wheels 9 touch the ground, and the right end of the foot lever 23 rotates upward, lifting the small frame 15, which is guided by a rotating top 25 attached to a guide plate 24 erected on the small frame 15. As a result, the seedling box loading platform 1, which is integrated with the small frame body 15, rotates around the main wheels 8, causing the seedling box loading platform 1 and the loading platform frame lifting section 7 to rise, while the seedling box scooping section 4 at the tip of the roll-shaped front wheel 14 drops down until it lands, resulting in the seedling box scooping state as shown in Figure 6(a).

[0017] In the operation explanatory diagram of the seedling box scooping state in Figure 6(a), when the seedling box is being transferred, as shown in Figure 5(a), the step portion 35 at the bottom of the seedling box is scooped up by the scooping protrusions 34 formed on the rotating roll 33 of the seedling box scooping unit 4, and as shown by the arrow in Figure 6(a), the seedling box is sequentially placed on a pair of conveyor belts 3 by manually pushing the seedling box scooping and transporting device A, and is transported on the seedling box loading platform 1 to a position up to the person's waist as shown by the arrow, until it hits the limit switch 12 at the top end as shown in Figure 3. From there, they are sequentially moved to the seedling loading platform (not shown) of a rice transplanter (not shown) or to a seedling box transport container mounted on the truck bed. On the other hand, considering the reverse operation of a switch (not shown) provided on the handle portion 13, it is also possible to quietly transport seedling boxes (not shown) containing sown rice seeds (not shown) from waist level to the ground surface, in which case a gate-shaped scooping blade 37 shown in Figures 5(c) and (d) that is screwed to the guide seat 29 is used instead of the rotating roll 33. In this way, the seedling boxes will not bang against the ground surface when they land, and the seeds will not fall out of the seedling boxes in which they have been sown.

[0018] Then, after the seedling tray transfer work is completed, stepping on the stop bar release pedal 39 releases the lower end of the stop bar 27, and the restoring force of a spring (not shown) causes the foot lever 22 to return, causing the pedal 23 side of the foot lever 22 to rise and the right end of the foot lever 22 to fall, followed by the lowering of the small frame body 15. As the small frame body 15 falls, the directional wheels 6 touch the ground and the auxiliary wheels 9 rise, and the seedling box scooping part 4 at the front end of the seedling box carrier part 1 rises around the main wheels 8 as shown in Figure 6(b), setting it in a position to transport seedling trays. At this time, the main wheels 8 and the directional wheels 6 are in contact with the ground, allowing the seedling box carrier section 1 to move laterally freely, and the arrangement posture can be changed as appropriate. [Industrial Applicability]

[0019] In today's rice farming field, where manpower is declining due to aging, the present invention can provide seedling trays in the positions required by rice transplanters in a labor-saving manner, which can greatly contribute to resolving manpower shortages in agricultural work and improving efficiency. [Explanation of symbols]

[0020] 1 Seedling box loading platform 2 Guide Roll 3 conveyor belt 4 Seedling tray scooping section 5 motors 6 direction swivel wheels 7. Bed frame lifting section 8 Main wheels 9 Auxiliary wheels 10 Vertical Frame 11 Horizontal frame 12 Limit Switch 13 Handle 14 Rolled front wheels 15 Small frame 16 Battery 17 Reducer 18 Spindle 19 Fixed Frame 20 supporting bone 21-pin 22 pedals 23 Foot lever 24 Signboard 25 Spinning Top 26-pin 27 Stopper 28 Support money 29 Information desk 30 bearings 31 Support shaft 32 Belt guide wheel 33 Rotating Roll 34 Scooping protrusion 35 Step 36 Fulcrum 37 Scooping blade 38 Adhesive 39 Stopper release pedal

Claims

1. A seedling box scooping and transporting device comprising: a seedling box loading platform capable of carrying a plurality of seedling boxes; main wheels positioned to allow the seedling box loading platform to rise and fall like a seesaw; a seedling box scooping unit positioned at the front end of the seedling box loading platform so as to be able to scoop up stepped sections of the seedling boxes; and a loading platform frame lifting unit having directional wheels fixed to a loading platform frame lifting unit at the rear end of the seedling box loading platform and movably fixed auxiliary wheels, so that the seedling box loading platform can be rotated around the main wheels to change its position between a seedling box scooping state and a transporting state.

2. The seedling box scooping and transporting device described in claim 1, characterized in that the seedling box loading platform comprises a pair of left and right vertical frames made of lightweight C-shaped steel, multiple intermediate horizontal frames made of lightweight C-shaped steel joined between the vertical frames, multiple guide rolls suspended between the vertical frames, and a pair of left and right conveying belts suspended in front and behind the seedling box loading platform and guided by multiple guide rolls.

3. The seedling tray scooping and transporting device described in claim 1, characterized in that the seedling tray scooping section has a guide seat that is spanned and fixed via a support metal joined to the tip of the vertical frame, the guide seat guides a pair of left and right conveying belts, a support shaft is supported by a bearing fixed to the guide seat, and a rotating roll integrated with the belt guide wheel is fixed to the support shaft.

4. The seedling box scooping and transporting device described in claim 1, characterized in that the loading frame lifting section comprises an auxiliary wheel movably fixed to a small frame constructed at the rear of the seedling box loading section, a fixed frame rotatably supported on the support shaft of the auxiliary wheel, and a foot lever which is provided with a pin supported on a support bone erected relative to the fixed frame and which is raised by stepping on a pedal centered on the pin, and the foot lever is engaged with a rotating top provided on a guide plate erected within the small frame, and the entire rear end of the small frame and the seedling box loading section is raised by stepping on the pedal.

Images