JP2001095378A - Leaf-clipping device for seedling bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject device for clipping the leaf parts of seedlings by making all of the leaf parts to have a same height in transplanting culture of a crop, easily movable by simply removing heavy materials for reducing its weight on moving the device and capable of improving working efficiency. SOLUTION: This leaf-cutting device is provided by installing adjusting screws 21, 22 capable of adjusting the up and down position of a cutting edge 45 at the upper parts of the both end parts of the cutting edge 45, hanging the cutting edge 45 from a machine frame 10 through the adjusting screws 21, 22, and making the adjusting screw and the cutting edge 45 as freely mountable/ demoutable and the adjusting screws 21, 22 and the machine frame 10 as freely mountable/demoutable so as to make the position and direction of the cutting edge 45 free.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the transplantation and cultivation of agricultural crops, in which seedlings such as onion paper tube seedlings are raised in a nursery bed in a paper tube seedling raising container, and the heights of the leaves of the seedlings are made uniform. The present invention relates to a shearing device for a nursery to be cut.

[0002]

2. Description of the Related Art Transplanting and cultivation of onion paper tube seedlings is carried out by filling the expanded paper tube seedling seedling containers with soil, sowing them in individual paper tubes one by one, covering the soil, placing them on a nursery, and raising seedlings. After raising the seedlings for a period, they are separated into individual paper tube seedlings and transplanted to the main field. And
In order to prevent the seedlings from being prolonged and falling down during the seedling raising period, to equalize the growth of the seedlings, to suppress the evaporation of water from the leaf surface immediately after transplantation, and to improve the seedling quality, the leaves of the seedlings should be 15 ~ 2
Cutting is performed at a predetermined length of about 0 cm.

[0003] An apparatus for cutting leaves for cutting a seedling at a predetermined length is proposed as Japanese Patent No. 2813249.

[0004] This shearing device for a nursery is provided with a pair of wheels running on the left and right sides of the nursery, a machine frame on the nursery between the pair of wheels, and a supporting rod that moves up and down substantially in the center of the machine frame. A cutting blade, a motor and its driving mechanism are provided at the lower end of the support rod, and the cutting blade is vertically movably mounted on the machine frame by the support rod. Parallel, the cutting blade is rotatably attached to the machine frame by a support rod provided at one end thereof, and can be fixed at a predetermined position, and the cutting blade is attached to the machine frame so that its longitudinal position can be adjusted. The distance between the pair of wheels is adjustable.

Further, as a similar shearing device, as shown in Utility Model Registration No. 2504420, the height can be adjusted independently of each other by a pair of left and right hanging arms, so that the cutting blade can be adjusted in parallel with the seedbed. It is known that a handle lever is provided for driving and rotating a pair of wheels traveling on the left and right sides of a nursery, and the leaf cutting device travels by turning the handle lever.

[0006] Further, as a similar shearing device, as shown in Utility Model Registration No. 3007885, an air blow mechanism for blowing air toward a cutting blade and a cut seedling receiving member for receiving seedlings paid by the air blowing mechanism are provided. 2. Description of the Related Art There is known a vehicle that travels by a bogie traveling motor that drives and rotates a pair of wheels that travel left and right of a nursery.

Further, as a similar shearing device, there is known a device in which a cutting blade is reciprocated between right and left sides of a nursery bed as shown in Japanese Utility Model Registration No. 30078786.

[0008]

In the above-mentioned prior art shearing device for nursery, the nursery is entirely arranged in the greenhouse except for the peripheral and central passages. When installing in a yard or when moving between nurseries across a central passage, it must be manually moved in a narrow place. Especially when the position of the central passage side of the shearing device and the wall side of the greenhouse are determined, the shearing device must be rotated by 180 degrees when moving between the seedbeds across the central passage. .

In order to make the movement of the cutting device easy, it is necessary to reduce the weight of the cutting device itself as much as possible and to reduce the excess portion as much as possible.

[0010] Therefore, in the shearing device for a nursery according to the present invention, the moving of the above-mentioned shearing device can be performed easily by one person.
Driving and rotating a pair of wheels traveling on the left and right sides of the nursery as in the prior art described above leads to an increase in weight, so it is premised that the shearing device itself is pushed and pushed on the central passage side.

Accordingly, the present invention provides an improved work efficiency by removing a heavy object and moving the shearing device easily to reduce the weight, and to easily move the shearing device by removing the protruding portion. An object of the present invention is to provide a shearing device for a nursery.

[0012]

According to a first aspect of the present invention, there is provided a shearing device for a nursery, comprising a pair of wheels traveling right and left of a nursery.
A machine frame 10 extending horizontally on the nursery 2 between the pair of wheels 16 and 17 and a cutting blade 45 provided below the machine frame 10 in a direction substantially parallel to the longitudinal direction of the machine frame 10 for cutting. Adjusting screw rods 21 and 22 that can adjust the vertical position of the cutting blade 45 are provided above both ends of the blade 45, and the cutting blade 45 is suspended from the machine frame 10 by the adjusting screw rods 21 and 22. The space between the cutting blade 22 and the cutting blade 45 is detachable.

In the shearing device for a nursery according to the second aspect of the present invention, the adjusting screw rods 21 and 22 and the machine frame 10 can be freely attached and detached, and the position and direction of the cutting blade 45 can be freely adjusted.

According to a third aspect of the present invention, there is provided a shearing device for a nursery, comprising a pair of wheels 16 and 17 running on the left and right of the nursery 2 and a machine horizontally extending on the nursery 2 between the pair of wheels 16 and 17. Frame 10
A cutting blade 45 is provided substantially parallel to the longitudinal direction of the machine frame 10 below the machine frame 10, and a handle 31 for manually pushing the machine frame 10 is provided behind one end of the machine frame 10 in the traveling direction. Is detachable from the machine frame 10 and can be detached and attached to the opposite side.

In the shearing device for a nursery according to the fourth aspect of the present invention, the rear side of the handle 31 in the traveling direction of the machine casing 10 is set to a required length that is long in the longitudinal direction of the machine casing 10 and can be pushed by both hands. It is.

According to a fifth aspect of the present invention, there is provided a shearing device for a nursery, comprising a pair of wheels 16 and 17 running on the left and right of the nursery 2 and a machine extending horizontally on the nursery 2 between the pair of wheels 16 and 17. Frame 10
A cutting blade 45 is provided substantially parallel to the longitudinal direction of the machine frame 10 below the machine frame 10, and adjustment screw rods 21 and 22 for adjusting the vertical position of the cutting blade 45 are provided above the cutting blade 45. 45 is suspended from the machine frame 10 by adjusting screw rods 21 and 22,
Rotating handles 23 and 24 for rotating the adjusting screw rods 21 and 22 in a horizontal plane are mounted on the upper surface 22, and an extended rotating handle device 60 is detachably provided on the machine frame 10. Is provided with an extended rotation handle 64 at one end of a shaft 67 long in the longitudinal direction of the machine frame 10 and a rotation direction conversion mechanism at the other end.
A handle rotation plate 66 that rotates in a horizontal plane is provided via a handle 65, and the handle rotation plate 66 is connected so as to transmit the rotation of the handle rotation plate 66 to the rotation handles 23 and 24.

According to a sixth aspect of the present invention, a shearing device for a nursery is provided with a pair of wheels 16 and 17 running on the left and right sides of the nursery 2 and a machine horizontally extending on the nursery 2 between the pair of wheels 16 and 17. Frame 10
A cutting blade 45 is provided below the machine frame 10 in a direction substantially parallel to the longitudinal direction of the machine frame 10, and the cutting blade 45 is driven by the engine 42 connected to the cutting blade 45, adjusts the rotation of the engine 42, and connects to the throttle lever. 51 is provided so that it can be freely attached to and detached from the machine frame 10 by a mounting plate 54.

According to a seventh aspect of the present invention, the mounting plate 54 is elastically fitted into the machine frame 10 having a rectangular cross section in a substantially U-shape when viewed from the side, and the rotation direction of the throttle lever 51 is changed. The direction is perpendicular to the direction in which the mounting plate 54 fits.

[0019]

According to the first aspect of the present invention, since the adjusting screw rods 21 and 22 for adjusting the vertical position of the cutting blade 45 are provided above both ends of the cutting blade 45, the cutting blade 45 is cut in parallel with the seedbed 2. The vertical position of both ends of the blade 45 can be adjusted. Also, the cutting blade 45
Is suspended from the machine frame 10 by the adjusting screw rods 21 and 22 so that the distance between the adjusting screw rods 21 and 22 and the cutting blade 45 can be freely removed, so that the heavy cutting blade 45 can be easily moved when moving the shearing device. Can be removed to reduce the weight.

According to the second aspect of the present invention, since the adjusting screw rods 21 and 22 and the machine frame 10 can be freely attached and detached and the position and direction of the cutting blade 45 can be freely adjusted, the seedbed 2 can be moved to a desired position to be cut. Align the cutting blade 45 with the cutting blade according to the reciprocation of the shearing device.
The direction of the blade 45 can be changed, and the weight can be reduced easily by removing the heavy adjusting screw rods 21 and 22 and the cutting blade 45 when moving the shearing device.

According to the third aspect of the present invention, a handle 31 for pushing the machine frame 10 by hand is provided behind one end of the machine frame 10 in the traveling direction.
The handle 31 can be attached to and detached from the machine frame 10, and can be removed and attached to the opposite side, so that the direction of the handle 31 can be changed according to the reciprocation of the shearing device and easy to move the shearing device The protruding handle 31 can be removed to reduce the size.

According to the fourth aspect of the present invention, the machine casing 10 of the handle 31 is provided.
The rear side in the traveling direction of the machine frame 10 is long in the longitudinal direction of the machine frame 10 and is a required interval that can be pushed with both hands, so that the side of the machine frame 10 with reduced rigidity due to weight reduction tends to be delayed. Pushing with one hand advances the movement, and pulling with one hand delays the excessive advance of the steering wheel 31 side, so that both sides of the machine casing 10 can be run uniformly.

According to the fifth aspect of the present invention, rotating handles 23, 24 for rotating the adjusting screw rods 21, 22 in a horizontal plane are mounted on the adjusting screw rods 21, 22, and the extended rotating handle is mounted on the machine frame 10. The extended rotary handle device 60 is provided with an extended rotary handle 64 at one end of a shaft 67 that is long in the longitudinal direction of the machine frame 10, and the extended rotary handle device 60 is horizontally mounted via a rotary direction conversion mechanism 65 at the other end. Since the handle rotation plate 66 that rotates in the plane is provided and connected so as to transmit the rotation of the handle rotation plate 66 to the rotation handles 23 and 24, the rotation handles 23 and 24 that are far from the operator also turn the extension rotation handle 64. This makes it possible to rotate the blade and to easily remove the heavy extended rotation handle device 60 when moving the shearing device, thereby reducing the weight.

According to the sixth aspect of the present invention, the cutting blade 45 is driven by the engine 42 connected thereto, and adjusts the rotation of the engine 42 to connect the throttle lever 51 to the mounting plate 54.
The heavy cutting blade 45 and the engine connected to it when moving the shearing device
When 42 is removed, the throttle lever 51 connected to it can also be removed to make it independent.

According to the seventh aspect of the present invention, the mounting plate is elastically fitted into the machine frame 10 having a rectangular cross section in a substantially U-shape when viewed from the side, and the rotation direction of the throttle lever 51 is set in the fitting direction of the mounting plate. And the throttle lever
The mounting plate 54 does not fall out of the machine frame 10 even when the 51 is rotated.

[0026]

An embodiment of the present invention will be described below with reference to the drawings.

As a seedling 2a for raising seedlings in the nursery 2, a paper-tube seedling 2a of onions in a paper-tube raising container is shown. This paper tube nursery container is made of paper coated with a decay-resistant chemical, and is formed by adhering hexagonal column-shaped paper tubes that are opened at the top and bottom with water-soluble glue in an orderly manner. The soil is filled in the paper cylinder, and seeded into individual paper cylinders one by one to cover the soil to form a seedbed 2. The size of one nursery is about 30 cm in length, 1.2 m in width,
The height is about 4 cm.

A large number of the seedbeds 2 are placed in the greenhouse 1 for raising seedlings.
Grow and its leaves become longer. Further, the water-soluble glue gradually dissolves by irrigation and maintains an appropriate connection strength at the time of transplantation.

The frontage of the greenhouse 1 is usually 5.4 to
About 7.2 m is used, and the setting of the nursery 2 by a paper tube nursery container in the plastic greenhouse 1 is opened as a passage in the center of the plastic greenhouse 1 for the passage of workers,
2. Closely arrange in two rows with a width of about 4 to 3 m. Also,
Since the temperature near the both wall surfaces of the greenhouse 1 is low, the vacant space where the nursery 2 is not installed is set. In this way, nursery 2
Is about 100m for seedling 2a for 5ha.

Next, a description will be given of a leaf-shearing device for cutting the seedlings 2a of the seedbed 2 in order to improve the quality of the seedlings, with the heights of the leaves being uniform.

The shearing device is provided with a pair of wheels 16 and 17 running on the left and right sides of the seedbed 2. Two wheels 16 on the central passage side of one greenhouse 1 are provided before and after the traveling direction. The wheels 16 run on an elongated thin plate 3 laid in the central passage, and two wheels 17 on both wall surfaces of the other greenhouse 1 are provided in front and rear of the traveling direction.
Runs on a round pipe-shaped rail 4 laid in an empty space.

A horizontally long machine frame 10 is provided on the nursery bed 2 between the pair of wheels 16 and 17.

The machine frame 10 is provided with a central frame 11 having two downward openings and a U-shaped cross section in parallel with each other on the nursery bed 2.
Side frames 12 and 13 which are long rectangular tubes having two rectangular cross sections are fitted into both ends of the center frame 11 and connected to form a frame body. Side frame
Support legs 14, 15 are provided below both ends of 12, 13 and support legs
Attach wheels 16 and 17 to 14 and 15. The machine frame 10 is substantially parallel to the upper surface of the nursery bed 2, and the amount of the side frames 12, 13 fitted into the central frame 11 is adjustable and fixable.
Is adjustable.

A cutting blade 45 is provided below the machine frame 10 as a part of a block of the cutting device 40 substantially parallel to the longitudinal direction of the machine frame 10.

The cutting device 40 is provided with a cutting device frame 41 which is long in a substantially horizontal direction.
42, the engine 42 drives a blowing mechanism 43 and a cutting blade 45, and provides a blowing mechanism 43 for blowing air toward the cutting blade 45 immediately below the engine 42, and the blowing mechanism 43 is cut by the cutting blade 45. 2a is blown off, and a cutting blade is provided just below the blower mechanism 43.
A driving mechanism 44 for driving 45 is provided, and the driving mechanism 44 is an engine.
The rotating motion from 42 is changed to reciprocating motion by a crank mechanism, and the cutting blade 45 is reciprocated.

The cutting blade 45 is provided in the horizontal direction from the driving mechanism 44. The cutting blade 45 has two thin and long blades overlapped with each other, and is located on one side orthogonal to the longitudinal direction, that is, forward of the machine frame 10 in the traveling direction. A number of protruding mountain blades are provided, and the upper and lower mountain blades reciprocate in opposite directions to cut the leaves of the seedling 2a. The cutting blade 45 is long in the direction orthogonal to the traveling direction of the
It is parallel to the upper surface, and the length of the cutting blade 45 is 1.2 m, which is about half the width of the seedbed 2 installed.

A seedling guide 46 is provided behind the cutting blade 45 in the traveling direction of the machine frame 10. The seedling guide 46 is a long member having a substantially L-shaped cross section, and is cut by the cutting blade 45 and blown off by the blowing mechanism 43. Is guided out of the nursery 2 so as not to fall into the nursery 2. The cutting blade 45
The width of the nursery where the tip side of
When the width is more than twice the length of the seedling, a seedling receiving basket 47 formed in a cubic shape with a net opening on one side is attached to the tip side of the cutting blade 45, and the seedling 2a blown off by the blowing mechanism 43 is a seedbed. Receive the seedlings in the basket 47 so that they do not fall to 2.

The cutting device frame 41 includes a lower portion of the engine 42 and a cutting blade.
The engine 42 side supports the tip side of 45, the engine 42 side rises in the vertical direction, the upper end is an engine side cutting device frame 41a which is long in the horizontal direction in the traveling direction of the machine frame 10, and the cutting blade 45 side is in the horizontal direction. With the cutting blade side cutting device frame 41b long in the longitudinal direction,
The cutting blade 4 extends downward from the tip of the cutting blade frame 41b.
Support the tip side of 5.

A pair of adjusting screw frames 25 and 26 are arranged in a horizontal direction between the two machine frames 10 including the central frame 11 and the side frames 12 and 13.
The adjusting screw rods 21 and 22 are provided vertically downward from the adjusting screw frames 25 and 26, respectively.

The adjusting screw rods 21 and 22 rotate freely on the adjusting screw frames 25 and 26, but are fixed so that their positions do not change.
Male screws are formed below the adjusting screw frames 25 and 26 of the adjusting screw rods 21 and 22, and the adjusting screw rods 21 and 22 are placed on the adjusting screw rods 21 and 22 immediately above the adjusting screw frames 25 and 26 in the horizontal plane. The rotating handles 23 and 24 for rotating the inside are mounted, and the rotating handles 23 and 24 are provided with grips protruding upward. Adjustment screw frame 25,
26 Wing nuts are fitted into the adjustment screw rods 21 and 22 just below 26,
When the wing nut is tightened, the rotating handles 23 and 24 do not rotate due to vibration.

At the lower part of the adjusting screw rod 21, an engine-side hanging rod 27 having a female screw formed at the upper part is fitted. The lower part of the engine-side hanging rod 27 is long in the horizontal direction in the traveling direction of the machine frame 10. The engine-side cutting device frame 41a is attached to the lower portion of the engine-side hanging rod 27 and is freely suspended. When the engine-side cutting device frame 41a is hung, the engine-side hanging rod 27 does not rotate even when the rotating handle 23 is turned, so that the vertical position of the cutting blade 45 on the engine 42 side can be adjusted by the adjusting screw rod 21. The engine-side hanging rod 27 is provided with a wing bolt at a position where the engine-side cutting device frame 41a is suspended, and when the wing bolt is tightened, the engine-side hanging rod 27 and the engine-side cutting device frame 41a are fixed.

Further, a lower end of the adjusting screw rod 22 is fitted with a cutting blade tip side hanging rod 28 having a female screw formed on the upper part thereof. Ten
The cutting blade side cutting device frame 41b is attached to and detached from the lower part of the cutting blade tip side hanging rod 28 so as to be freely suspended. When the cutting blade side cutting device frame 41b is hung, the cutting blade tip side hanging rod 28 does not rotate even if the rotating handle 24 is turned, so that the vertical position of the tip side of the cutting blade 45 can be adjusted by the adjusting screw rod 22. .

Here, by providing the machine frame 10 and the adjusting screw frames 25 and 26 so as to be detachable, the adjusting screw rods 21 and 22 and the machine frame
The cutting blade in the longitudinal direction of the machine frame 10 can be detached between 10
The position of the cutting blade 45 with respect to the position of 45 and the traveling direction of the machine frame 10 can be set freely. That is, in FIG. 3, the machine casing 10 advances downward, the adjustment screw frame 25 is located on the right side, the adjustment screw frame 26 is located on the left side, and the mountain blade of the cutting blade 45 projects downward. 5
In this case, the machine casing 10 moves upward, the adjusting screw frame 25 is located on the left side, the adjusting screw frame 26 is located on the right side, and the mountain blade of the cutting blade 45 projects upward.

Further, the engine-side hanging rod 27 and the engine-side cutting device frame 41a are detachably mounted and suspended, and the cutting blade tip-side hanging rod 28 and the cutting blade-side cutting device frame 41b are detached and freely suspended. By adjusting screw rods 21 and 22 and cutting device
The cutting device can be easily attached and detached between the 40 cutting blades 45, making it easy to cut
40 can be removed.

A handle 31 for pushing the machine frame 10 by hand is provided on the machine frame 10 on the side of the center passage of the greenhouse 1 at the end in the traveling direction.

At the end of the side frame 12 on the central passage side of the greenhouse 1, a handle support 33 long in the traveling direction of the machine frame 10 is provided, and a predetermined distance from the handle support 33 to the center frame 11 or the wall close to the wall surface of the greenhouse 1. The side frame 12 (depending on the distance between the pair of wheels 16, 17) has a handle support parallel to the handle support 33.
32 will be provided. The handle supports 32, 33 are fixed between the two side frames 12 or the center frame 11, and the handle 31 is fitted inside the round tube having both ends opened so that it can be fixed with the wing bolt.

The handle 31 is formed of a round tube having a substantially U-shape in plan view. Both ends of the handle 31 are parallel to each other and have the same distance as the handle supports 32, 33, and both ends are attached to and detached from the handle supports 32, 33. Insert it freely, remove it and attach it to the other side.

The required distance between the handle 31 and the rear side in the traveling direction of the machine frame 10, that is, the side which the operator actually holds and pushes, is long in the longitudinal direction of the machine frame 10 and can be pushed with both hands. 70 cm.

Rotating handles 23 and 24 (mainly rotating handles 2
4) is near the wall of the greenhouse 1, and when the worker on the central passage side of the greenhouse 1 becomes inoperable,
An extended rotating handle device 60 which can be freely put on and taken off from the machine frame 10 is used.

The extended rotary handle device 60 is provided with a long extended rotary handle device frame 61 along the machine frame 10 and extends along the central passage of the greenhouse 1.
A support leg 62 is provided between the frame 61 and the machine frame 10, and a support leg 63 is provided between the extended rotary handle device frame 61 on the wall side of the greenhouse 1 and the machine frame 10, and the support legs 62 and 63 are mounted on the machine frame 10. Get stuck in and remove it.

A long shaft 67 is provided in the longitudinal direction of the machine frame 10 by being fitted into the extended rotary handle device frame 61, and an extended rotary handle 64 is provided at the end of the shaft 67 on the center passage side of the greenhouse 1.
The extended rotation handle 64 is provided with a grip that protrudes in the horizontal direction. A rotation direction conversion mechanism 65 is provided at the end of the shaft 67 on the wall surface side of the greenhouse 1. A shaft 68 that vertically penetrates the rotation direction conversion mechanism 65 is provided. And a handle rotating plate 66 that rotates in a horizontal plane is provided at the lower end of the shaft 68.

In the rotation direction conversion mechanism 65, a bevel gear 69 fitted on a shaft 67 and a bevel gear fitted on a shaft 68
A bevel gear 69 and a bevel gear 70 mesh with each other to transmit the rotation of the shaft 67 to the shaft 68 by changing the direction. When the extension rotation handle 64 is turned, the handle rotation plate 66 rotates.

The handle rotating plate 66 has a cubic shape in which the upper and lower portions of the lower opening are slightly thinner and can be included in the rotating handles 23 and 24 slightly larger than the rotating handles 23 and 24. An engaging hole 66a is opened at a distant position, and a grip projecting above the rotary handles 23, 24 fits into the engaging hole 66a, and is connected so as to transmit the rotation of the handle rotary plate 66 to the rotary handles 23, 24. I do.

A throttle lever 51 for adjusting the rotation of the engine 42 and connecting the same to the machine frame 10 by a mounting plate 54 is provided so as to be freely detachable.

The carburetor of the engine 42 and the throttle lever 51
Are connected by a release wire 52. When the throttle lever 51 is rotated, the rotation speed of the engine 42 increases and decreases, and the blowing force of the blower mechanism 43 and the reciprocating speed of the cutting blade increase and decrease.

A throttle lever 51 and a stop switch 53 are mounted on the mounting plate 54. The stop switch 53 is electrically connected to the ignition mechanism of the engine 42. When the stop switch 53 is pressed, the engine 42 stops.

The mounting plate 54 has a substantially U-shape slightly larger than the side frame 12 having a rectangular cross section when viewed from the side, and a substantially U-shaped leaf spring 54a is mounted inside the lower surface thereof. By being deformed, it elastically fits outside the side frame 12 as the machine frame 10. The throttle lever 51 is attached to the outside of the U-shaped right surface of the mounting plate 54 so as to rotate in the surface direction, and the rotation direction of the throttle lever 51 is a direction orthogonal to the fitting direction of the mounting plate 54.

The support leg 14 on the central passage side of the greenhouse 1
Is attached with a windbreak plate 34, and when the tip side of the cutting blade 45 faces the central passage of the greenhouse 1, the seedlings 2a blown off by the blowing mechanism 43 fall into the central passage without reaching the adjacent nursery bed 2. To do.

Next, the method of use will be described together with the operation and its effects.

A plate 3 is laid in the center passage and both cavities on the wall side in the greenhouse 1, and a rail 4 is laid on the plate 3 in both vacancies on the wall surface.

The distance between the pair of wheels 16 and 17 of the shearing device is adjusted by adjusting the amount of the side frames 12 and 13 fitted into the center frame 11.
And the interval of the plate 3 of the central passage.

The central part of the machine frame 10 of the shearing device is lifted and moved by hand, and is set at a work start position at one longitudinal end of a desired row of the seedbed 2.

At this time, the cutting device 40 is controlled by the adjusting screw frames 25 and 26.
And the engine side suspension rod 27 and the cutting blade tip side suspension rod 28
By the machine frame 10, the machine frame 10 and the adjustment screw frame 25,
26, and between the engine-side hanging rod 27 and the engine-side cutting device frame 41a, and further between the cutting blade tip-side hanging rod 28 and the cutting blade-side cutting device frame 41b, are freely detachable, and the shearing device is moved. In this case, the weight can be easily removed by removing the heavy cutting device 40, so that one person can easily move.

The handle 31 is detachable from the machine frame 10, and the handle 31 is easily protruded when the cutter is moved.
Since it is possible to reduce the size by removing the 31, it is possible to easily move inside the narrow greenhouse 1.

The extended rotary handle device 60 is mounted on the machine frame 10.
Can be attached and detached freely, and when moving the shearing device, the heavy extended rotation handle device 60 can be easily removed to reduce the weight, so that one person can easily move.

Further, a throttle lever 51 connected to the engine 42 is provided so as to be detachable from the machine frame 10 by a mounting plate 54,
When removing the heavy cutting device 40 when moving the shearing device, the throttle lever 51 connected to the heavy cutting device 40 can also be removed to become independent, so that one person can easily move.

The cutting device 40 has its cutting blade 45 oriented in the direction of travel, mounting the adjusting screw frames 25 and 26 on the machine frame 10 which is shifted to the right side of the nursery 2 and the engine-side hanging rod 27 and the cutting blade. The engine-side cutting device frame 41a and the cutting blade-side cutting device frame 41b are suspended from the distal end suspension rod 28. Then, the adjusting screw frames 25 and 26 are slightly lifted and moved so that the end of the seedbed 2 and the tip of the cutting blade 45 match.

At this time, the space between the machine frame 10 and the adjusting screw frames 25 and 26 can be freely attached and detached, and the cutting blade 45 can be adjusted to a desired position on the nursery bed 2 where the cutting is desired, so that the work can be performed efficiently.

The height of the cutting blade 45 from the nursery 2 is adjusted so that the cutting blade 45 and the nursery 2 are parallel by turning the rotary handles 23 and 24 in accordance with the cutting length of the leaves of the seedling 2a.

At this time, adjusting screw rods 21 and 22 that can adjust the vertical position of the cutting blade 45 are provided above both ends of the cutting blade 45,
Since the vertical position of both ends of the cutting blade 45 can be adjusted so as to be parallel to the nursery 2, the cutting blade 45 and the nursery 2 are parallel even if the running path of the pair of wheels 16, 17 and the nursery 2 are not parallel. And cut into the desired cut length.

A handle 31 for pushing the machine frame 10 by hand is attached and fixed rearward in the traveling direction.

At this time, the handle 31 can be freely attached to and detached from the machine frame 10, can be detached and can be attached to the opposite side, and the direction of the handle 31 can be changed according to the reciprocation of the shearing device. The cutter can be pushed and reciprocated by hand.

When the right row of the two rows of nurseries 2 is to be worked, since the rotary handle 24 is located near the wall of the greenhouse 1, the extended rotary handle device 60 is mounted on the machine frame 10.

The throttle lever 51 is attached to the side frame 12 by a mounting plate 54 at a desired position near the handle 31.

The engine 42 is started, the cutting blade 45 is reciprocated, the throttle lever 51 is rotated, and the rotation speed of the engine 42 is set to a desired rotation speed. The rotation speed of the engine 42 is set to a blowing force of the blowing mechanism 43 to such an extent that the cut seedlings 2a fall from the tip of the cutting blade 45, and is appropriately adjusted according to the state of the seedlings 2a even during operation.

At this time, the mounting plate 54 elastically fits into the side frame 12 having a rectangular cross section in a substantially U-shape when viewed from the side, and the rotation direction of the throttle lever 51 is perpendicular to the fitting direction of the mounting plate 54. Since the mounting plate 54 does not fall off the side frame 12 even when the throttle lever 51 is rotated, the rotation speed of the engine 42 can be easily adjusted to a desired rotation speed by rotating the throttle lever 51.

When the operator pushes the handle 31, the leaf cutter moves and the leaves of the seedling 2 a above the cutting blade 45 are cut.
The traveling speed is appropriately adjusted by an operator while watching the cutting state.
If an unexpected event occurs during the operation, the stop switch 53 is pressed to stop the engine 42.

At this time, the rear side of the handle 31 in the traveling direction of the machine casing 10 is set to a required distance that is long in the longitudinal direction of the machine casing 10 and can be pushed by both hands, and the rigidity of the machine casing is reduced by weight reduction.
One hand pushes the side without handle 31 with one hand to advance, and one hand pulls the handle 31 side to delay it, and it can run on both sides of machine frame 10 uniformly, so long machine frame There is no need to press both sides of 10 with two people,
A single person can push one side of the machine frame 10 to work.

If the relationship between the running path of the pair of wheels 16 and 17 and the nursery 2 changes due to the progress of the work, and the cutting length of the cutting blade 45 changes, or the cutting blade 45 is no longer parallel to the nursery 2, Turn the rotation handles 23, 24 or the extension rotation handle 64 to adjust.

In this case as well, adjusting screw rods 21 and 22 for adjusting the vertical position of the cutting blade 45 are provided above both ends of the cutting blade 45,
Since the vertical position of both ends of the cutting blade 45 can be adjusted so as to be parallel to the nursery 2, the cutting blade 45 and the nursery 2 are aligned so as to be parallel, and the desired cutting length can be cut.

The adjusting screw rod 22 is placed on the adjusting screw rod 22.
The rotating handle 24 for rotating the frame in the horizontal plane is attached, and the extended rotating handle device 60 is detachably provided on the machine frame 10. The extended rotating handle device 60 has one end of a shaft 67 long in the longitudinal direction of the machine frame 10. Is provided with an extended rotation handle 64, and the other end is provided with a handle rotation plate 66 that rotates in a horizontal plane via a rotation direction conversion mechanism 65, and is connected so as to transmit the rotation of the handle rotation plate 66 to the rotation handle 24. Since the rotating handle 24 far from the operator can also be rotated by turning the extended rotating handle 64, it can be cut to a desired cutting length.

When the end of the row of the seedbeds 2 is reached, the stop switch 53 is pressed to stop the engine 42 and the operation is interrupted to prepare for the returning operation.

First, if the extension rotary handle device 60 has been mounted on the machine frame 10, remove it. Adjustment screw frame
Lift the 26 slightly and remove it from the machine frame 10 and turn it about 90 degrees to
10, the cutting device 40 and the adjusting screw frame 25 together with the cutting device 40 are turned to the opposite side to be mounted on the machine frame 10, and the cutting blade 45 is
Turn around. The inside of the greenhouse 1 is narrow and the cutting device 40
If it is not possible to turn the adjusting screw frame 26 once, the cutting device 40 may be temporarily removed, and the position of the adjusting screw frame 26 may be changed before hanging.

At this time, the adjusting screw frames 25 and 26 and the machine frame 10 can be freely attached and detached, the position and the direction of the cutting blade 45 can be freely set, and the direction of the cutting blade 45 can be changed in accordance with the reciprocating movement of the shearing device. Work can be done efficiently because it can be changed.

Then, the adjusting screw frames 25 and 26 are slightly lifted and moved so that the end of the seedbed 2 and the tip of the cutting blade 45 match.

In this case as well, the space between the machine frame 10 and the adjustment screw frames 25 and 26 can be freely attached and detached, and the cutting blade 45 can be adjusted to a desired position of the nursery bed 2 where the cutting is desired, so that work can be performed efficiently.

The handle 31 is attached to the opposite side and fixed, the throttle lever 51 is changed to a desired position, and if necessary, the extended rotary handle device 60 is mounted on the machine frame 10, the engine 42 is started, and the returning cutting work is performed. To continue.

If the seedbed 2 is wide and there is uncut portion in the reciprocating cutting operation, the tip of the cutting blade 45 is slightly lifted to adjust the screw frame 25, 26 so as to match the end of the uncut portion of the seedbed 2. After moving and attaching the seedling receiving basket 47, the remaining cutting work is performed.

When the cutting operation of one nursery 2 is completed, the leaf cutter is moved to the other nursery 2.

First, if the extension rotary handle device 60 has been mounted on the machine frame 10, remove it. Adjustment screw frame
Lift 25 and 26 slightly, remove from the machine frame 10, turn it about 90 degrees, lower it below the machine frame 10, remove the cutting device 40 together, and remove the handle 31.
And also remove the throttle lever 51.

Since the positions of the center of the greenhouse 1 and the side of the wall of the greenhouse 1 are determined, the center of the machine frame 10 is lifted by hand and rotated by 180 degrees to move the same. At the work start position at one longitudinal end of the desired row. If the inside of the greenhouse 1 is too narrow to rotate 180 degrees,
Take it out and rotate it.

Here, the cutting device 40 is also provided with the adjusting screw frames 25 and 26.
By the machine frame 10, the machine frame 10 and the adjustment screw frame 25,
Since the space between the blades 26 can be freely removed and the weight can be easily removed by removing the heavy cutting device 40 when moving the shearing device, even one person can easily move.

Further, the handle 31 can be detachably attached to the machine frame 10, and the handle 31 which has protruded can be easily removed when the cutter is moved, so that the inside of the narrow greenhouse 1 can be easily moved.

Further, the extended rotary handle device 60 is provided on the machine frame 10 so as to be detachable and detachable, and the heavy extended rotary handle device 60 can be easily removed when moving the shearing device. Can be moved to

Further, a throttle lever 51 connected to the engine 42 is provided so as to be detachable from the machine frame 10 by a mounting plate 54, and the throttle lever 51 connected to the heavy cutting device 40 when moving the cutting device is removed. Can be removed and become independent, so that one person can easily move.

[0096] Similarly, necessary parts are attached again, adjusted and set, and the same operation is started.

In the above embodiment, an example in which the pair of wheels 16 and 17 travel on the plate 3 and the rail 4 has been described.
Both 16 and 17 may run on rails, or may run on soil.

The cutting blade 45 has a plurality of mountain blades arranged in the longitudinal direction and reciprocated.
Any material that can cut the leaves of 2a may be used.

Also, an example was shown in which the engine-side hanging rod 27 and the engine-side cutting device frame 41a, and the cutting blade tip-side hanging rod 28 and the cutting blade-side cutting device frame 41b could be freely attached and detached. What is necessary is just to make it detachable at any place between the screw rods 21 and 22 and the cutting blade 45.

Also, the example in which the machine frame 10 and the adjustment screw frames 25 and 26 can be freely attached and detached has been described. However, the example can be freely attached and detached at any place between the adjustment screw rods 21 and 22 and the machine frame 10. It is good.

Also, an example has been shown in which the handle 31 is formed in a substantially U-shape in plan view, and both ends are inserted into the handle supports 32, 33. However, the shape of the handle 31 is not limited to this. May be directly attached to and detached from the machine frame 10.

Although the rotation direction changing mechanism 65 of the extended rotary handle device 60 is shown by a pair of bevel gears 69 and 70, the rotation direction changing mechanism 65 changes the direction of a flexible wire or the like to transmit rotation. I just want it.

Also, an example has been shown in which the grips protruding above the rotary handles 23 and 24 fit into the engagement holes 66a of the handle rotary plate 66 of the extended rotary handle device 60 and transmit rotation.
Protrusions that engage the spokes of the rotating handle may be provided on the handle rotating plate to transmit rotation.

Although the example in which the throttle lever 51 and the stop switch 53 are mounted on the mounting plate 54 has been described, only the throttle lever 51 may be mounted on the mounting plate 54.

[0105]

According to the first aspect of the present invention, an adjusting screw rod for adjusting the vertical position of the cutting blade is provided above both ends of the cutting blade, and the vertical positions of both ends of the cutting blade are parallel to the seedbed. Can be adjusted, so that the cutting blade and the nursery are aligned so that the running path of the pair of wheels and the nursery are not parallel, and the desired cutting length can be obtained.

Further, the cutting blade is suspended from the machine frame by an adjusting screw rod, so that the adjusting screw rod and the cutting blade can be freely attached and detached. When moving the shearing device, the heavy cutting blade is easily removed to reduce the weight. Can be easily moved by one person.

According to the second aspect of the present invention, the adjustable screw rod and the machine frame can be freely attached and detached, the position and direction of the cutting blade can be freely adjusted, and the cutting blade can be adjusted to the required position where the seedbed is desired to be cut. Work can be done efficiently. Further, since the direction of the cutting blade can be changed in accordance with the reciprocation of the shearing device, work can be performed efficiently.

Further, since the adjusting screw rod and the machine frame can be freely attached and detached, and the heavy adjusting screw rod and the cutting blade can be easily removed when the shearing device is moved, the weight can be easily reduced. it can.

According to the third aspect of the present invention, a handle for pushing the machine frame by hand is provided at one end of the machine frame in the traveling direction, and the handle is detachable from the machine frame and can be detached and attached to the opposite side. Since the direction of the handle can be changed in accordance with the reciprocation of the blade, the operator can easily push the blade and move the blade back and forth.

Further, the handle can be detachably attached to the machine frame, and the handle that has protruded easily can be removed when moving the shearing device, so that the handle can be easily moved even in a narrow greenhouse.

According to the fourth aspect of the present invention, the rear side of the steering wheel in the traveling direction of the machine frame is set to a required distance that is long in the longitudinal direction of the machine frame and can be pushed by both hands, and the rigidity of the machine frame is reduced by weight reduction. One hand pushes the side without the handle of the machine to advance, and one hand pulls the handle side to delay it, and the two sides of the long machine frame can be evenly moved. There is no need to push by hand, and you can work by pushing one side of the machine frame by yourself.

According to the fifth aspect of the present invention, a rotating handle for rotating the adjusting screw rod in a horizontal plane is mounted on the adjusting screw rod, and an extended rotating handle device is provided on the machine frame so as to be detachable and attachable. The extended rotary handle device is provided with an extended rotary handle at one end of a shaft that is long in the longitudinal direction of the machine frame, and a handle rotary plate that rotates in a horizontal plane via a rotary direction conversion mechanism at the other end. The rotation handle is connected to the rotation handle so as to be transmitted to the rotation handle, and the rotation handle far from the operator can also be rotated by turning the extension rotation handle, so that a desired cutting length can be cut.

Further, since the extended rotary handle device is provided on the machine frame so as to be detachable and detachable, and the heavy extended rotary handle device can be easily removed when the shearing device is moved, the weight can be easily moved.

According to the sixth aspect of the present invention, the cutting blade is driven by the engine connected to the cutting blade, and the rotation of the engine is adjusted, and the throttle lever connected thereto is provided so as to be detachable from the machine frame by the mounting plate. When removing the heavy cutting blade and the engine connected to it when moving the device, you can also remove the throttle lever connected to it and make it independent,
Even one person can move easily.

According to the seventh aspect of the present invention, the mounting plate is elastically fitted into the machine frame having a rectangular cross section in a substantially U-shape when viewed from the side, and the rotation direction of the throttle lever is orthogonal to the fitting direction of the mounting plate. When the throttle lever is rotated, the mounting plate does not fall out of the machine frame even when the throttle lever is rotated. Therefore, the rotation speed of the engine can be easily set to a desired rotation speed by rotating the throttle lever.

[Brief description of the drawings]

FIG. 1 is a front view showing one embodiment of a shearing device for a nursery.

FIG. 2 is a partially enlarged view showing a main part thereof.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a diagram showing another operation in which the traveling direction in FIG. 2 is changed.

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a partially enlarged view showing the cutting device of FIG. 2;

FIG. 7 is a plan view of FIG. 6;

FIG. 8 is a partially enlarged view showing the operation of the handle of FIG. 3;

FIG. 9 is a view showing the extension rotary handle device of FIG. 4 attached.

FIG. 10 is a plan view of FIG. 9;

FIG. 11 is a partially enlarged view showing a main part of FIG. 9;

FIG. 12 is a partially enlarged view showing a main part of FIG. 10;

FIG. 13 is a partially enlarged view of FIG. 11 with a part cut away.

FIG. 14 is a partially enlarged view showing the throttle lever of FIG. 2;

FIG. 15 is a side view in which a part of FIG. 14 is cut away.

FIG. 16 is a view showing a state removed from the side frame of FIG. 15;

[Explanation of symbols]

 2 Nursery bed 10 Machine frame 16, 17 Wheel 21, 22 Adjusting screw rod 23, 24 Rotating handle 31 Handle 42 Engine 45 Cutting blade 51 Throttle lever 54 Mounting plate 60 Extended rotating handle device 64 Extended rotating handle 65 Rotating direction conversion mechanism 66 Handle rotation Plate 67 axes

Claims (7)

[Claims] 1. A pair of wheels traveling left and right of a nursery, a machine frame extending horizontally on the nursery between the pair of wheels, and a cutting blade below the machine frame in a direction substantially parallel to the longitudinal direction of the machine frame. Provided above and below both ends of the cutting blade is an adjusting screw rod that can adjust the vertical position of the cutting blade. The cutting blade is suspended from the machine frame by the adjusting screw rod, and can be freely attached and detached between the adjusting screw rod and the cutting blade. For the nursery. 2. The shearing device for a nursery according to claim 1, wherein the adjusting screw rod and the machine frame can be freely attached and detached, and the position and direction of the cutting blade can be freely adjusted. 3. A pair of wheels running left and right of the nursery, a machine frame extending horizontally on the nursery between the pair of wheels, and a cutting blade below the machine frame in a direction substantially parallel to the longitudinal direction of the machine frame. A shearing device for a nursery, wherein a handle for manually pushing the machine frame is provided behind one end of the machine frame in the traveling direction, and the handle is detachable from the machine frame and can be detached and attached to the opposite side. 4. The shearing device for a nursery according to claim 3, wherein the rear side of the handle in the traveling direction of the machine frame has a required length that is long in the longitudinal direction of the machine frame and can be pushed by both hands. 5. A pair of wheels traveling left and right of the nursery, a machine frame extending horizontally on the nursery between the pair of wheels, and a cutting blade below the machine frame in a direction substantially parallel to the longitudinal direction of the machine frame. Provided, an adjusting screw rod capable of adjusting the vertical position of the cutting blade is provided above the cutting blade, and the cutting blade is suspended from the machine frame by the adjusting screw rod;
A rotating handle for rotating the adjusting screw rod in a horizontal plane is mounted on the adjusting screw rod, and an extended rotating handle device is provided on the machine frame so that it can be freely attached and detached. Nursery bed provided with an extended rotation handle at one end of the long shaft, a handle rotation plate that rotates in a horizontal plane through a rotation direction conversion mechanism at the other end, and connected to transmit the rotation of the handle rotation plate to the rotation handle. Equipment for cutting. 6. A pair of wheels traveling left and right of the nursery, a machine frame extending horizontally on the nursery between the pair of wheels, and a cutting blade below the machine frame in a direction substantially parallel to the longitudinal direction of the machine frame. A cutting blade driven by an engine connected to the cutting blade to adjust the rotation of the engine, and a throttle lever connected to the cutting blade is detachably attached to the machine frame by a mounting plate; 7. The mounting plate is elastically fitted into the machine frame having a rectangular cross section in a substantially U-shape when viewed from the side, and the rotation direction of the throttle lever is set to a direction orthogonal to the fitting direction of the mounting plate. A shearing device for a nursery according to the above.