JPH10286006A - Walking type vegetable transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten the longitudinal length of a vegetable transplanter and increase the stiffness of the machine body. SOLUTION: The plane view of the main frame is made in the U-shape, while in the side view the front is made low and the rear is made high. The U-shaped engine frame 2 is fixed in the open face at the front part of the main frame. The engine is mounted on the engine frame 2 and the hydraulic cylinder for lifting the wheel height is arranged in the engine frame, the front, part, of the transmission case 3 is fitted to rear of the engine frame. A U-shaped upper press 83 is arranged on the center of the main frame in the longitudinal direction to support the rear upper part of the transmission case and stably support the transmission case having the wheel-driving shaft 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a walking type vegetable transplanter having a simple structure in which an engine, a transmission case, a transplant portion, and the like are arranged on a pipe-shaped main frame.

[0002]

2. Description of the Related Art Conventionally, an engine has been disposed on a front engine frame, a transmission case has been disposed at a rear portion of the engine frame, a transplant portion and a handle have been disposed at a rear portion, and running wheels have been mounted on the engine frame and the transmission case. Supported gait implanters are known. For example, Japanese Patent Application Laid-Open No. 6-141632.

[0003]

In the conventional walking type transplanter, a transmission case is arranged at a rear portion of an engine frame, an implanted transmission case is provided at a rear portion of the transmission case, and a handle frame is further provided at a rear portion of the transmission case. The planting section is arranged at the rear of the planting transmission case, the seedling mounting table is arranged at the front of the handle frame, and the work clutch lever, the steering clutch lever and the like are arranged at the rear of the handle frame. Therefore, the engine, the transmission case, and the planting portion were sequentially arranged in the front-rear direction, and the overall length of the aircraft was long.

[0004]

The present invention uses the following means in order to solve the above problems. That is, the main frame is arranged in a U-shape or a loop in a plan view, at a low front-rear height in a side view, an engine is arranged on a front part of the main frame, a mission case is arranged in a lower front part, and the transmission A running wheel is supported on both sides of the case, a transplant portion is disposed inside the front and rear central portions of the main frame, and a seedling mounting table is disposed behind the transplant portion. Also,
The engine is arranged on the engine frame, the transmission case is fixed to the rear part of the engine frame, the transplanting part is arranged at the rear part of the transmission case, and the main frame is passed between the engine and the transmission case in a side view so that both parts are connected. I support it. Further, an engine is disposed on the front of the main frame, a transmission case is disposed below and behind the engine, and the transmission is arranged so as to pass through the main frame between the engine and the transmission case in a side view. The main frame is extended obliquely upward and rearward, and a transplant portion is suspended inside the front and rear central portions of the main frame, and a seedling mounting table is suspended behind the transplant portion. Further, the traveling drive shaft protrudes to both sides from the transmission case, and one end of the front traveling drive case and the rear traveling drive case is supported on the traveling drive shaft. The front and rear wheels are supported, and the front drive case and the rear drive case can be opened and closed back and forth. Further, the traveling drive shaft protrudes to both sides from the transmission case, and one end of the front traveling drive case and the rear traveling drive case is supported on the traveling drive shaft. The front and rear wheels are supported, and the front drive case and the rear drive case can be opened and closed back and forth. Further, an engine frame is fixed in an open surface of a front portion of the main frame having a “U” shape in plan view, and the engine is mounted on the engine frame.
Further, in a vegetable transplanter that adjusts the vehicle height by changing the vertical height of the main frame and the front wheel and the rear wheel of the “U” shape in plan view, the “U” shape in plan view , An engine is mounted on the upper part of the engine frame, and a hydraulic cylinder for raising and lowering the vehicle height is disposed in the engine frame. Further, in a vegetable transplanter that adjusts the vehicle height by changing the vertical height of the main frame and the front and rear wheels in a “U” shape in plan view, a “U” shape is provided at the front of the main frame. Engine frame, a U-shaped upper retainer in the center of the front and rear of the main frame, a hydraulic cylinder for lifting and lowering in the engine frame, and a transmission case in the upper retainer on the rear side. doing. Further, in a vegetable transplanter that adjusts the vehicle height by changing the vertical height of the main frame and the front and rear wheels in a “U” shape in plan view, a “U” shape is provided at the front of the main frame. The upper frame of the U-shape is arranged at the center of the front and rear of the main frame.The front of the transmission case is fitted to the rear of the engine frame. It supports an upper portion and stably supports a transmission case having a traveling drive shaft.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an overall side view of a walking type vegetable transplanter on which the priority is claimed, FIG. 2 is a plan view of the same, and FIG.
FIG. 4 is a plan view of the lifting drive unit, FIG. 4 is a side view of the same state in which the body is raised, FIG. 5 is an overall side view of a walking vegetable transplanter of another form, FIG. 6 is a plan view of the same, and FIG. 8 is a partial front view of the walking type vegetable transplanter showing a frame configuration, and FIG. 9 is a partial side view showing a frame configuration of a front portion of the walking type vegetable transplanter.

Referring to FIG. 1, the overall configuration will be described. A main frame 1 is disposed at a front low, rear high, and an engine frame 2 is fixed to a front portion of the main frame 1, and an engine E is mounted on the engine frame 2. A transmission case 3 is fixed to a lower front part of the frame 1, a transplant part A is disposed inside a rear part of the main frame 1, and an operation part B is disposed at a rear end of the main frame 1. The operation unit B is provided with a traveling clutch lever, a work clutch lever, and the like. The engine E
The upper side and the side of the transmission case 3 are covered with a cover 9.

The main frame 1 is formed by bending a pipe member made of a steel pipe or the like so as to have an "H" shape in a side view and a substantially U-shape with an open front in a plan view. The width of the rear main frame 1 is made narrower and wider, and the width of the rear main frame 1 is made substantially equal to the vehicle width so that the side portions can be protected from obstacles. Further, as shown in FIG. 2, the main frame 1 may be formed in a loop shape in a plan view by closing a front portion, and the engine frame 2 may be arranged in a space surrounded by the front portion of the main frame 1. it can.

The front end of the main frame 1 is fixedly provided at a middle portion of the engine frame 2 so that the main frame 1 extends obliquely upward and rearward. A generator 4 is mounted and fixed on a front portion of the engine frame 2, and an engine E is mounted and fixed on a rear portion of the generator 4. A double output pulley 6 is fixed on an output shaft 5 of the engine E,
Power is transmitted from the output pulley 6 to the generator 4 via the belt 7, power is transmitted from the output pulley 6 to the transmission case 3 via the belt 8, and the belt 8 crosses the main frame 1. .

The transmission case 3 is fixed to a rear portion of the engine frame 2 and a front lower portion of the main frame 1, and traveling drive shafts 10 protrude from both lower sides of the transmission case 3. The front drive drive case 11 and the rear drive drive case 12 inside thereof are pivotally supported so as to be able to turn up and down, respectively, and are arranged in an "in" shape when viewed from the side. Front running drive case 1
1 and a sprocket are fixed on the traveling drive shaft 10 in the rear traveling drive case 12, respectively.
Axle 1 on the other side of the rear drive case 12
Sprockets 3 and 14 are supported on the axles 13 and 14 in the front running drive case 11 and the rear running drive case 12, respectively, and the axle 13 is driven by the running drive shaft 10 via sprockets and chains.・ 14 can be driven. A front wheel 15 and a rear wheel 16 are fixed on axles 13 and 14 outside the front traveling drive case 11 and the rear traveling drive case 12, respectively, so that four wheels can be driven simultaneously.

As shown in FIG. 3, a stay 17 protrudes from an upper portion of the base portion of the front running drive case 11 so that the link 2
A link 21 is connected to a lower portion of the rear traveling drive case 12 on the base side, and a link 21 is connected to the link 20. It is pivotally connected to the moving arm 22. The swing arm 22 is pivotally supported by a pivot shaft 26 on a mounting plate 24 fixed in the left-right direction at the tip of a piston rod of a hydraulic cylinder 23 for elevation provided in the engine frame 2. The front ends of the links 20 and 21 are pivotally supported, and the other end of the swing arm 22 is pivotally supported by the tip of the piston rod 25 a of the swing cylinder 25. The swing cylinder 25 is composed of a double rod type cylinder, and links 20 and 21 are connected to tips of piston rods 25a on both sides, respectively, and are arranged symmetrically.

With such a configuration, the link 2 is extended by extending the hydraulic cylinder 23 for lifting and lowering.
As shown in FIG. 4, the angle between the front drive unit 11 and the rear drive unit 12 is reduced, the wheel base is shortened, the body is raised, and the turning radius can be reduced. it can. Conversely, when the lifting hydraulic cylinder 23 is contracted, the links 20 and 21 are pushed rearward to widen the angle between the front running drive case 11 and the rear running drive case 12, so that the wheel base becomes longer, the body is lowered, and the center of gravity is lowered. And the aircraft stabilizes. Also, when the swing cylinder 25 is slid to the left, the left links 20 and 21 are pushed rearward, the left is lowered, the right is pulled and the right is raised, and the aircraft can be tilted to the left. The aircraft can be kept horizontal when the field descends to the right. Conversely, when the swing cylinder 25 is slid rightward, the body can be lowered rightward. In this way, it is possible to control the aircraft horizontally.

Spare seedling stands 30 are fixed on the left and right sides of the main frame 1 in the front-rear direction.
A seedling drive mechanism 33 is disposed, a seedling mounting table 34 and a vertical feed mechanism 35 are disposed between the rear portions of the main frame 1, and a handle 36 configured in a U-shape in plan view is provided at the rear end of the main frame 1. The handle 36 is provided so as to be adjustable in the vertical direction, and can be changed according to the height of the operator, thereby improving workability. Further, a lower frame 37 protrudes rearward from a rear side surface of the transmission case 3, and an earth covering ring 39 is disposed at a lower rear portion of the lower frame 37.

The opening / closing mechanism 32 for raising and lowering the transplanting claws 31 is disposed at the rear of the planting transmission case 45 projecting rearward from one side of the transmission case 3 (the right side in the present embodiment). Are arranged at the rear of a transmission case 40 extending rearward from the other side (the left side in this embodiment), and power is transmitted from the transmission case 3 via a chain, a sprocket, or the like, and the seedling removing drive mechanism 33 is provided. From the rear of the transmission case 40 that drives
The power is transmitted to the vertical feed mechanism 35 via the universal joint 42. The vertical feeding mechanism 35 is suspended via brackets 43 fixed on both sides of the main frame 1, and the seedling tray is conveyed downward by a fixed amount by the vertical feeding mechanism 35, and is driven by the seedling collecting driving mechanism 33. The seedlings are transported one by one from the seedling tray to the transplanting nails 31 by the seedling collecting nails, the transplanting nails 31 are lowered, opened on the ridges, dropped and planted, and the soil on both sides is pressed down by the soil covering ring 39 and transplanted. You do it.

Next, a vegetable transplanter having a different frame configuration will be described from the overall configuration. As shown in FIGS. 5 and 6, the main frame 1 is disposed at the front low and rear high,
An engine frame 2 is fixed to a front portion of the main frame 1, an engine E is mounted on the engine frame 2, and a transmission case 3 is fixed to a rear portion of the engine frame 2 and a lower front portion of the main frame 1, Main frame 1
The transplant section A is disposed inside the rear section, and the operation section B is disposed at the rear end of the main frame 1. The operation unit B is provided with a traveling clutch lever, a work clutch lever, and the like. The top and sides of the engine E and the transmission case 3 are covered by a cover 9.

As shown in FIG. 7, an output pulley 6 is fixed on an output shaft 5 of the engine E.
The motive power is transmitted to the generator 4 disposed above the engine E via the belt 50 through the output pulley 6 and the belt 5
Power is transmitted to the transmission case 3 via the transmission 1, and the belt 51 crosses the main frame 1.

The traveling drive shafts 10 protrude from both lower sides of the transmission case 3. Front drive support members 52 are provided on the traveling drive shafts 10, and rear traveling drive cases 12 are located inside the front wheel support members 52. Each is pivotally supported so as to be vertically rotatable, and is arranged in an “in” shape in side view. A sprocket is fixedly mounted on the traveling drive shaft 10 in the rear traveling drive case 12, and the axle 1 is mounted on the other side of the rear traveling drive case 12.
4 is supported, and an axle 14 in the rear drive case 12 is supported.
The sprockets are fixed on the top, respectively.
From axle 1 via sprocket and chain respectively
4 can be driven. Rear running drive case 1
The rear wheel 16 is fixed on the second axle 14 and the front wheel support 5
A front wheel 15 is pivotally supported at two ends, and runs with rear wheel drive.

As shown in FIGS. 7 and 8, a stay 17 is protruded from an upper portion on the base side of the front wheel support 52 so that a link 2 is provided.
A link 21 is connected to a lower portion of the rear running drive case 12 on the base side, and a link 21 is connected to the lower portion of the rear drive case 12, and the other ends of the links 20 and 21 project forward.

On the other hand, the engine frame 2 is a support member formed in a U-shape in plan view, and arms 55 and 55 project inward from the inner side surface of the engine frame 2, and a position between the arms 55 and 55 is provided. The lifting hydraulic cylinder 23 is sandwiched between them. A connecting cylinder 5 extending in the left-right direction at the front of the telescopic rod 23a of the lifting hydraulic cylinder 23.
6 is fixed. Left and right middle portions of the connecting cylinder 56 are slidably mounted on the left and right side surfaces of the engine frame 2 in the front-rear direction. A connecting shaft 57 is pivotally supported inside the connecting cylinder 56, and the left and right ends of the connecting shaft 57 are connected. Two arms 58 and 59 are fixedly provided at both ends of the connecting shaft 57 so as to project laterally from the end of the cylinder 56. One of left and right arms 58 and 59 is projected downward, the other is projected upward, the front end of the link 20 is connected to an outer arm 59, and the link 21 is connected to an inner arm 58. I have. Furthermore, one side on the left and right of the connecting shaft 57 (the left side in the traveling direction in this embodiment)
, A swing arm 60 protrudes to the left, and a rod of a swing cylinder 61 fixed to the left side of the engine frame 2 is connected to an end of the swing arm 63. It should be noted that the main frame 1 may be configured such that the front portion is closed and formed into a loop shape in plan view as shown in FIG. 2, and the engine frame 2 is arranged in a space surrounded by the front portion of the main frame 1. it can.

Therefore, by extending the lifting hydraulic cylinder 23, the links 20 and 21 are pulled forward, the angle between the front wheel support 52 and the rear drive case 12 is reduced, and the body is raised. . Conversely, when the lifting hydraulic cylinder 23 is contracted, the links 20 and 21 are pushed rearward, and the angle between the front wheel support 52 and the rear traveling drive case 12 is widened. Is stable. When the swing cylinder 61 is expanded and contracted, the connecting shaft 57 rotates. For example, when the connecting shaft 57 is rotated backward, the left and right links 20 and 21 are pushed rearward and the left side is lowered, The right side is pulled and the right side is raised, so that the aircraft can be tilted downward and left, and the aircraft can be kept horizontal when the field descends to the right. Conversely, when the swing cylinder 61 is extended and the connection shaft 57 is rotated forward, the body can be lowered to the right.
In this way, it is possible to control the aircraft horizontally.

Spare seedling stands 30 are fixed on the left and right sides of the main frame 1 in the front-rear direction.
And a seedling collecting drive mechanism 65 are arranged, the seedling mounting table 34 is arranged between the rear portions of the main frame 1, and a handle 36 configured in a U-shape in plan view is provided at the rear end of the main frame 1,
The handle 36 is provided so as to be adjustable in height, and can be changed according to the height of the operator, thereby improving workability. Further, a lower frame 37 protrudes rearward from a rear side surface of the transmission case 3, and an earth covering ring 39 is disposed at a lower rear portion of the lower frame 37. In addition, the covering earth wheel 3
9 and the cover pressure adjusting lever 7 above the planting depth lever 70.
3. A second operating portion having a main shift lever, a stock shift lever, and the like is provided.

The opening / closing mechanism 32 for raising and lowering the transplanting pawl 31 is disposed at the rear of the planting transmission case 45 projecting rearward from one side of the transmission case 3 (the right side in the present embodiment). Has been communicated. Power is also transmitted to the seedling drive mechanism 65 from the transmission case 3 via a chain 67, a sprocket, or the like. A longitudinal feed driving force is transmitted to the seedling mounting table 34 from a seedling collecting drive mechanism 65 via a sprocket and a chain 69. The seedling tray is conveyed downward by a predetermined amount by the vertical feed driving force, and the seedlings are driven one by one from the seedling tray T to the transplanting nails 31 by the seedling picking nail driven by the seedling picking drive mechanism 65. The transplanting nails 31 are lowered, opened on the ridges, dropped and planted, and the soil on both sides is pressed by the soil covering ring 39 and transplanted.

Next, the frame configuration of the present invention will be described. The main frame 1 is formed by bending a pipe member made of a steel pipe or the like to have a substantially U-shape in a side view, and a substantially U-shape with an open front in a plan view. The width of the main frame 1 at the rear is made substantially equal to the width of the vehicle so that the side portions can be protected from obstacles, and the main frame 1 is disposed so as to extend obliquely upward and rearward. I have.

As shown in FIGS. 7 to 9, the front end of the main frame 1 is located on the side of the middle of the engine frame 2, and the fixed arms 80, 80 are located inward of the front halfway position of the main frame 1. Are arranged to face left and right, and the upper rear portion of the engine frame 2 is screwed to the inner ends of the fixed arms 80 using a bolt 85. An engine E is mounted and fixed on a front portion of the engine frame 2, and the hydraulic cylinder 23 for raising and lowering having a large driving force is disposed in the engine frame 2. The cylinder 61 is provided, and an efficient arrangement is configured. Also, engine frame 2
Is formed in a U-shape so as to have high rigidity, and the heavy engine E, the lifting hydraulic cylinder 23, and the swinging cylinder 61 can be arranged in a concentrated manner. Further, the engine frame 2 is disposed on the left and right inner sides of the main frame 1, and is provided in a space on the left and right outer sides of the engine frame 2 for lifting links 2.
0.21 can be arranged, and can be used as a space for adjusting the left and right width of the front wheel 15.

The transmission case 3 has a front lower portion fitted into a rear portion of the open surface of the engine frame 2 and is screwed to the engine frame 2. A connecting frame 81 for connecting the left and right sides of the main frame 1 is disposed at substantially the center of the main frame 1 in the front-rear direction. An upper holding member 83 as a support member is fixedly provided at the left and right central portions of the connection frame 81. The upper pressing member 83 has a “U” shape having an open surface facing forward and downward, and the upper and rear portions of the transmission case 3 are fitted in the open surface of the lower portion of the upper pressing member 83.

Therefore, the rear portion of the transmission case 3 is fixed to the main frame 1 via the upper holding member 83,
The front of the transmission case 3 is firmly fixed to the engine frame 2, and the engine frame 2 is fixed to the front of the main frame 1. Therefore, the transmission case 3 projecting the traveling drive shaft 10 from the left and right side surfaces is the main frame 1.
Is firmly fixed. Further, the load applied to the traveling drive shaft 10 can be received at the front part and the middle part of the main frame 1, and the rigidity of the body is increased.

[0026]

As described above, the present invention has the following advantages. That is, the main frame is arranged in a U-shape in plan view, the front is low and the rear is high in side view, the engine is arranged on the front of the main frame, the mission case is arranged on the lower front, and both sides of the transmission case are arranged. In addition to supporting the running wheels, the transplanting part is arranged inside the front and back central part of the main frame, and the seedling mounting table is arranged at the rear part, so the engine, transmission case and planting drive are installed in the main frame arranged diagonally. Parts are arranged, the main frame can be made compact and the length in the front-rear direction can be shortened, it is possible to work up to the ridge end, and the non-planting part is shortened As a result, the utilization efficiency of the field can be improved, the circling and turning can be easily performed, and the storage area can be reduced.

Further, by connecting the front portions of the main frame to form a loop shape in plan view, the rigidity of the main frame is kept high, so that the engine, the transmission case, and the transplant portion can be stably mounted on the main frame. Can be supported.

Further, an engine is arranged on an engine frame, a transmission case is fixedly mounted on a rear portion of the engine frame, and a transplant portion is disposed on a rear portion of the transmission case. A main frame is provided between the engine and the transmission case in a side view. Since both members were passed and supported, they could be arranged separately before and after the main frame and attached to the main frame as subunits, which facilitated assembly and disassembly.

Further, the main frame is disposed so as to pass through the main frame between the engine and the transmission case in a side view, and the main frame is extended obliquely upward and rearward, and a transplant portion is provided inside the front and rear central portions of the main frame. Was suspended, and the seedling mounting table was suspended at the rear part. Therefore, the transplanting part could be suspended and arranged in the main frame, the compact configuration could be achieved, and the front and rear length could be shortened.

The traveling drive shaft projects from both sides of the transmission case, and a front traveling drive case and a rear traveling drive case are supported at one end on the traveling drive shaft. The front wheel and the rear wheel are supported on the side, and the front running drive case and the rear running drive case are configured to be openable and closable, so that the body is lifted and lowered by the front and rear opening and closing drive of the front running drive case and the rear running drive case. It is possible,
The overall length of the fuselage could be reduced as compared with the conventional configuration in which the front traveling drive case projects rearward from the front. Also, since the lifting drive unit can be arranged near the traveling drive shaft that supports the front traveling drive case and the rear traveling drive case,
The lifting drive configuration can be easily configured.

Further, the engine frame is fixed by using the open surface of the front part of the main frame, so that the assembling work in the factory is facilitated, and the joint between the engine frame and the main frame is formed. It is inside the fuselage and has a configuration with excellent appearance. Also,
In the ridge straddling work at the time of transplanting work using the engine frame, even if the vehicle height is low due to erroneous operation, the engine frame can be first brought into contact with the ridge to protect the engine and the like, and the function of the bumper can also be achieved. Has both.
Further, the engine frame is arranged inside the main frame corresponding to the vehicle width, and the space on the left and right sides of the engine frame can be used as a space for maintenance work of the front wheels and the like.

In accordance with another aspect of the present invention, an elevating hydraulic cylinder for elevating and lowering the body is disposed in the front engine frame. The engine is mounted on the support member and the elevating elevating cylinder is mounted on the supporting member. Since the hydraulic cylinders can be arranged, the center of gravity position is not deviated to the front as compared with the arrangement in which the lifting hydraulic cylinders are arranged in front of the engine, and the support structure has a stable balance between front and rear.

[0033] According to a ninth aspect of the present invention, a U-shaped engine frame is disposed at a front portion of the main frame.
Hydraulic cylinders are arranged in the engine frame, and a U-shaped support member is placed at the front and rear center positions of the main frame to reinforce the main frame and at the same time use the open surfaces of the engine frame and the support members, The transmission case and the like can be supported, the space can be used efficiently, and the longitudinal length of the body can be reduced.

According to the tenth aspect of the present invention, the front of the transmission case is fixed to the rear of the front supporting member fixed to the main frame, and the rear supporting member is disposed at an intermediate position in the front and rear direction of the main frame. , The transmission case can be stably supported, and the load on the traveling drive shaft 10 protruding laterally from the transmission case is reduced by the main frame 1.
It can be received at the front part and the middle part, and the rigidity of the fuselage is increased.

[Brief description of the drawings]

FIG. 1 is an overall side view of a walking type vegetable transplanter according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a plan view of a lifting drive unit.

FIG. 4 is a side view of a state where the body is raised.

FIG. 5 is an overall side view of another embodiment of a walking vegetable transplanter.

FIG. 6 is a plan view of the same.

FIG. 7 is a partial side view of the walking vegetable transplanter showing a frame configuration.

FIG. 8 is a partial front view of the walking type vegetable transplanter showing a frame configuration.

FIG. 9 is a partial side view showing a frame configuration of a front portion of the walking vegetable transplanter.

[Explanation of symbols]

 Reference Signs List A transplant part E engine 1 main frame 2 engine frame 3 transmission case 10 traveling drive shaft 11 front traveling drive case 12 rear traveling drive case 15 front wheel 16 rear wheel 34 seedling mounting 80 fixed arm 83 upper holding body

Claims (10)

[Claims] 1. A main frame having a U-shape in plan view.
Arranged on the front lower part of the main frame, the engine is arranged on the front part of the main frame, the transmission case is arranged on the lower front part,
A walking type vegetable transplanter, wherein running wheels are supported on both sides of the transmission case, a transplant portion is disposed inside the front and rear central portions of the main frame, and a seedling mounting table is disposed behind the transplant portion. 2. A main frame is disposed in a loop shape in a plan view, at a low front and rear height in a side view, an engine is disposed on a front portion of the main frame, a transmission case is disposed on a front lower portion, and both sides of the transmission case. While supporting the running wheels,
A walking type vegetable transplanter, wherein a transplanting part is arranged inside the front and rear central parts of the main frame, and a seedling mounting table is arranged at the rear part. 3. An engine is disposed on an engine frame, a transmission case is fixed to a rear portion of the engine frame, a transplant portion is disposed at a rear portion of the transmission case, and a main frame is provided between the engine and the transmission case in a side view. A walking-type vegetable transplanter characterized by having passed through and supporting both. 4. An engine is disposed on a front portion of a main frame, and a transmission case is disposed below and behind the engine.
Arranged so as to pass through the main frame between the engine and the transmission case in a side view, extending the main frame diagonally upward and rearward, suspending a transplant portion inside the front and rear central portion of the main frame, A walking type vegetable transplanter characterized by having a seedling table suspended from the rear. 5. A traveling drive shaft protrudes from both sides of the transmission case according to claim 1, and one end of a front traveling drive case and a rear traveling drive case are supported on the traveling drive shaft. A walking type vegetable transplanter, wherein a front wheel and a rear wheel are supported on the other side of the traveling drive case, and the front traveling drive case and the rear traveling drive case are configured to be openable and closable back and forth. 6. A traveling drive shaft protrudes from both sides of the transmission case according to claim 3, and one end of a front traveling drive case and a rear traveling drive case are supported on the traveling drive shaft. A walking type vegetable transplanter, wherein a front wheel and a rear wheel are supported on the other side of the traveling drive case, and the front traveling drive case and the rear traveling drive case are configured to be openable and closable back and forth. 7. A walker, wherein an engine frame is fixed in an open surface of a front portion of a main frame having a U-shape in plan view according to claim 1, and an engine is mounted on the engine frame. Vegetable transplanter. 8. A vegetable transplanter for adjusting a vehicle height by changing the vertical height of a main frame and a front wheel and a rear wheel having a “U” shape in plan view according to claim 1 or 2. An engine frame in a U-shape in plan view is arranged at the lower front part of the frame, an engine is mounted on the upper part of the engine frame, and a hydraulic cylinder for raising and lowering the vehicle height is arranged in the engine frame. Walking type vegetable transplanter. 9. The vegetable transplanter according to claim 1 or 2, wherein the vertical height of the main frame and the front and rear wheels in a plan view is changed to adjust the vehicle height. A U-shaped engine frame is arranged at the front of the main frame, a U-shaped upper holding body is arranged at the front and rear center of the main frame, and a lifting hydraulic cylinder is arranged inside the engine frame. A walking type vegetable transplanter characterized by having a mission case arranged inside the upper holding body on the rear side. 10. The vegetable transplanter according to claim 1 or 2, wherein the vertical height of the main frame and the front and rear wheels in a plan view is changed to adjust the vehicle height. The U-shaped engine frame is placed at the front of the main frame, the U-shaped upper retainer is placed at the front and back center of the main frame, and the front of the transmission case is fitted at the rear of the engine frame. A walking type vegetable transplanter, wherein a rear upper holding member supports a rear upper portion of a transmission case and a transmission case having a traveling drive shaft.