JP2023093137A - Attachment for earthing-up machine - Google Patents

Abstract

To provide an attachment for earthing-up machine being attachable to the rearward of a rotary of an earthen-up machine and forming a traveling path on which the earthing-up machine can travel by molding side surfaces of a ridge, a ridge bottom, and a traveling surface, simultaneously with performing earthing-up work of covering an upper side of the ridge with soil.SOLUTION: An attachment 1 for earthing-up machines includes a first molding part 10 for molding side surfaces of a ridge 40, a second molding part 20 installed on the lower side of the first molding part 10 and molding a ridge bottom 41 and a traveling surface 42, and an installation part 30 to be installed on an attachment mounting part 52 disposed rearward a rotary 51 of a tractor 50.SELECTED DRAWING: Figure 1

Description

Application for application of Article 30, Paragraph 2 of the Patent Law (1) The applicant disclosed the invention of the present application at the 2021 Agriculture Summit held in Higashi-Hiroshima City, Hiroshima Prefecture on October 27 and 28, 2021. (2) On November 4 and December 2, 2021, the applicant sold the product of the present invention to Iseki Chushikoku Co., Ltd. (Higashi-Hiroshima City, Hiroshima Prefecture).

The present invention is mounted on the rear side of a rotary of a soil lifting machine such as a tractor or a cultivator to carry out the soil lifting work of covering the upper part of the ridge with soil, and at the same time forming the side surface of the ridge, the bottom of the ridge and the running surface. The present invention relates to attachments for earth lifting machines.

Conventionally, according to the growth of crops such as white onions and taros, it is necessary to perform soil lifting work to cover the upper part of the ridge with soil. Various attachments for earth lifting machines have been proposed that are capable of forming ridges while performing earth lifting work of covering the ridges with soil.

For example, in Patent Document 1, by attaching a tapered knife to the front of the rotary of a walk-behind cultivator, the guide surface is pressed while cutting the ridge side, and the cultivator is stably and straightly advanced in the traveling direction. Disclosed is an earth-raising work machine that can be used (see Patent Literature 1).

In the cultivation of white onions in recent years, instead of walking-type cultivators, it is possible to widen the ridges and make small tractors and ride-on cultivators travelable. , chemical spraying, soil lifting, etc. are being carried out to save labor and improve the efficiency of a series of agricultural work.

Japanese Patent Application Laid-Open No. 7-236306 (Patent No. 2631811)

However, when a four-wheeled soil lifting machine such as a small tractor equipped with the attachment for a soil lifting machine or a riding type cultivator is caused to travel between the ridges, the ridge hem, which is the inclined surface below the side of the ridge, There was a risk that the driver's seat would shake greatly due to the wheels hanging on the side of the truck, or that the steering wheel would be lost, making it impossible to drive stably, which could damage the ridges and damage the crops.

Therefore, the present invention can be mounted behind the rotary of a soil lifting machine such as a small tractor or a riding type cultivator that can travel between furrows, and the rotary covers the plowed soil between the furrows over the furrows. An attachment for a soil lifting machine that simultaneously forms a ridge side, a ridge hem and a running surface below the side of the ridge to form a stable running path between the ridges of the soil lifting machine. intended to provide

In view of the above problems, the present invention provides an attachment for a soil lifting machine that is mounted through an attachment mounting portion behind a rotary of the soil lifting machine, comprising: a first forming part that forms a side surface of a ridge; It is characterized by having a second molding portion that molds the hemline and the running surface below the first molding portion, and a mounting portion that is mounted on the attachment mounting portion arranged behind the rotary.

In addition to the above-described configuration, the second forming portion includes a vertical plate arranged substantially perpendicular to the running surface, a bottom plate arranged parallel to the running surface, and a bottom plate that suppresses the entry of soil. It is preferable to have an auxiliary plate for

In addition to the above-described structure, the vertical plate preferably has a front end portion that is bent into a substantially V shape when viewed from the plane direction, and a flat central portion that faces the side surface of the ridge. .

In addition to the above-described structure, the auxiliary plate is fixed obliquely rearward to the side edge of the tip of the vertical plate so as to prevent it from entering the inside of the second molded portion. preferable.

According to the above-described present invention, the soil lifting work of covering the upper part of the ridge with the plowed soil by the rotary of the soil lifting machine is performed, and at the same time, the side surface of the ridge, the foot of the ridge and the running surface are formed. It is possible to provide an attachment for earth raising work machine that forms a stable running path between the ridges of the machine.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows an example of embodiment of the attachment for earth lifting work machines of this invention. It is the perspective view which decomposed|disassembled the attachment for earth lifting machines of FIG. 1 into the 1st shaping|molding part and the 2nd shaping|molding part. 3(a) is a plan view and (b) is a front view showing the first molding portion of FIG. 2. FIG. It is (a) a top view and (b) a front view which show the 2nd shaping|molding part of FIG. It is a side view which shows the state which mounted|wore the attachment for earth lifting machines of FIG. 1 to the rear of the rotary of a tractor. FIG. 4 is a conceptual diagram showing a state in which earth raising work and forming work are being performed simultaneously.

(embodiment)
An example of an attachment 1 for a soil lifting machine, which is an embodiment of the present invention, will be described in detail with reference to FIGS. 1-6. In the present embodiment, as shown in FIG. 5, the side of the tractor 50 running on four wheels 53, which is the earth lifting machine, is the front direction when viewed from the earth lifting machine attachment 1, and the width direction of the tractor 50 is the left and right direction. direction.

The earth lifting machine attachment 1 is mounted through an attachment mounting portion 52 behind a rotary 51 of a tractor 50 which is a earth lifting machine. A first molding portion 10 for molding the side surface, a second molding portion 20 for molding a ridge hem 41 and a running surface 42 below the first molding portion 10, and an attachment mounting located behind the rotary 51 of the tractor 50. A mounting portion 30 mounted on the portion 52 is configured as a main portion.

As shown in FIGS. 2 and 3, the first forming section 10 includes a claw plate 11 that distributes the soil scraped up by the claws of the rotary 51 to the ridges 40 and 40 side, and a blade plate that presses and molds the side surface of the ridge 40. 12, a support 13 that supports the nail plate 11 and the blade plate 12, and a roller 14 that presses and hardens the running surface 42 flattened by the bottom plate 22 of the second molding portion 20.

As shown in FIG. 3, the nail plate 11 is a plate-like body that is bent into a substantially V-shape when viewed from the plane direction.

The blade plate 12 is a flat plate-like body, and is fixed to the side edge of the nail plate 11 via a connecting portion 12a. Although not shown, the connecting portion 12a may have a hinge structure that can be adjusted so that the sides of the ridges 40, 40 have an inclination angle suitable for the crops to be cultivated and the condition of the soil.

The supporting body 13 is a thin rod-shaped body disposed inside the first shaping portion 10, and fixes the nail plate 11, the blade plate 12, and the roller 14 at appropriate positions, and also attaches to a mounting fixture 32, which will be described later. (See FIG. 1) is fixed so as to be positioned above the nail plate 11. Further, this support 13 has an insertion hole 13a into which the insertion shaft 23 of the second molding portion 20 can be inserted at a vertically lower position where the insert 15 is fixed.

As shown in FIGS. 2 and 4, the second molding portion 20 includes a vertical plate 21 arranged substantially perpendicular to the running surface 42 and a bottom plate 22 arranged parallel to the running surface 42. , a prism-shaped insertion shaft 23 that can be inserted into the insertion hole 13 a of the support 13 , and an auxiliary plate 24 that prevents soil from entering the second molded portion 20 .

As shown in FIG. 4, the vertical plate 21 is a horizontally long plate-like body, and has a tip portion 21a that is bent into a substantially V-shape when viewed from the plane direction in the same manner as the nail plate 11, ridges 40, and a flat central portion 21b facing 40 sides. Further, the vertical plate 21 has a rib 21d that reinforces the shapes of the front end portion 21a, the central portion 21b, and the rear end portion 21c. Further, it is preferable that the rear end portion 21c of the vertical plate 21 is bent inward so as to be slightly separated from the ridges 40, 40 so as not to enter the ridges 40, 40 and break them.

The bottom plate 22 is a flat plate-like body fixed below the tip 21 a of the vertical plate 21 and has an area that covers at least the bottom of the tip 21 a of the vertical plate 21 .

The auxiliary plate 24 is a vertically long rectangular plate-like body having a vertical width at least about twice as large as the vertical width of the vertical plate 21, and prevents it from entering the second molding portion 20. In order to secure the running surface 42 of the wheel 53 of the tractor 50, it is fixed obliquely rearward to the side edge of the tip portion 21a of the vertical plate 21. As shown in FIG.

As shown in FIGS. 1 and 5 , the mounting portion 30 includes a mounting frame 31 that is inserted into and fixed to an attachment mounting portion 52 arranged behind the rotary 51 of the tractor 50 , and an arbitrary mounting frame 31 . The mounting frame 31 has a vertical rod portion 31a that is inserted into and fixed to the attachment mounting portion 52, and a vertical rod portion 31a that extends from the lower end of the vertical rod portion 31a to the left-right direction of the rotary 51. and a horizontal rod portion 31b.

The mounting fixture 32 has a fitting portion 32a that can be fixed at an arbitrary position with respect to the horizontal bar portion 31b of the mounting frame 31, and a tubular shape into which the insert 15 of the first molded portion 10 is inserted and fixed. and an inserted portion 32b. In addition, the inserted portion 32b has a lock mechanism such as a pin that can be engaged and fixed with the inserted body 15 inserted.

Next, the formation of the side surfaces of the ridges 40, 40, the ridge hem 41, and the running surface 42, which is performed at the same time as the soil raising operation for the ridges 40, 40 during cultivation of crops by the attachment 1 for the raising work machine described above, is shown in FIG. will be explained based on

As shown in FIG. 6 , the operator drives the tractor 50 between the ridges 40 and 40 and plows the soil between the ridges 40 and 40 with the rotary 51 . , 40 are covered with soil.

Simultaneously with this earth raising work, the side surfaces of the ridges 40 and 40 are compacted and formed by the first forming section 10 and the ridge hem 41 and the running surface 42 are formed by the second forming section 20 . More specifically, while the tip portion 21 a of the vertical plate 21 of the second shaping portion 20 distributes the soil to the ridge hem 41 side, the central portion 21 b makes the ridge hem 41 perpendicular to the running surface 42 . The ridge hem 41 is formed by pressing.

At the same time when the ridge hem 41 is formed, the running surface 42 near the ridge hem 41 is flattened by the bottom plate 22 of the second molding portion 20, and the running surface is flattened by pressing with the rollers 14 arranged behind. Molding to 42 is also performed. As shown in FIG. 6, the running surface 42 has at least the same width as the wheels 53 of the tractor 50, and is formed to be lower than the vicinity of the center between the ridges 40,40.

Therefore, by the attachment 1 for the earth lifting machine described above, while running the tractor 50 between the ridges 40, 40, the earth lifting work of covering the upper part of the ridge 40 with soil is performed, and at the same time, the side surfaces of the ridges 40, 40 are formed, And it can be formed at right angles with the vertical ridge hem 41 hanging on the wheel of the tractor 50 and the flat running surface 42, and can be formed at a right angle, and can be used for intercultivation, watering, fertilization (liquid fertilizer), weeding, chemical spraying, soil raising, etc. By doing so, it is possible to form a travel path on which the tractor 50 can travel stably between the ridges 40, 40 in a series of farm work.

Although the preferred embodiments of the present invention have been illustrated in the above embodiments, the present invention is not limited to the above embodiments, and improvements and modifications are possible within the scope of the claims. For example, the nail plate 11 has a flat plate-like protruding plate having a vertical width at least as large as that of the blade plate 12, and is positioned in front of the other side edge of the nail plate 11 to which the blade plate 12 is not connected. You may fix so that it may protrude in a direction. In addition, the attachment 1 for earth raising work machine of the present embodiment has the second forming section 20 detachably mounted below the first forming section 10 which is the ridge forming section of the ridge erecting device. The molded portion 10 and the second molded portion 20 may be integrally formed.

1 Attachment for earth lifting machine,
10 first molding portion 11 nail plate 12 blade plate 12a connecting portion 13 support body 13a insertion hole 14 roller 15 insert body
20 second molding portion 21 vertical plate 21a front end portion 21b center portion 21c rear end portion 21d rib 22 bottom plate 23 insertion shaft 24 auxiliary plate
30 Mounting portion 31 Mounting frame 31a Vertical rod portion 31b Horizontal rod portion 32 Mounting tool 32a Fitting portion 32b Inserted portion
40 ridge, 41 ridge hem, 42 running surface,
50 tractor, 51 rotary, 52 attachment mounting portion, 53 wheel.

The present invention is mounted on the rear side of a rotary of a soil lifting machine such as a tractor or a cultivator to carry out the soil lifting work of covering the upper part of the ridge with soil, and at the same time forming the side surface of the ridge, the bottom of the ridge and the running surface. The present invention relates to attachments for earth lifting machines.

Conventionally, according to the growth of crops such as white onions and taros, it is necessary to perform soil lifting work to cover the upper part of the ridge with soil. Various attachments for earth lifting machines have been proposed that are capable of forming ridges while performing earth lifting work of covering the ridges with soil.

For example, in Patent Document 1, by attaching a tapered knife to the front of the rotary of a walk-behind cultivator, the guide surface is pressed while cutting the ridge side, and the cultivator is stably and straightly advanced in the traveling direction. Disclosed is an earth-raising work machine that can be used (see Patent Literature 1).

In the cultivation of white onions in recent years, instead of walking-type cultivators, it is possible to widen the ridges and make small tractors and ride-on cultivators travelable. , chemical spraying, soil lifting, etc. are being carried out to save labor and improve the efficiency of a series of agricultural work.

Japanese Patent Application Laid-Open No. 7-236306 (Patent No. 2631811)

However, when a four-wheeled soil lifting machine such as a small tractor equipped with the attachment for a soil lifting machine or a riding type cultivator is caused to travel between the ridges, the ridge hem, which is the inclined surface below the side of the ridge, There was a risk that the driver's seat would shake greatly due to the wheels hanging on the side of the truck, or that the steering wheel would be lost, making it impossible to drive stably, which could damage the ridges and damage the crops.

Therefore, the present invention can be mounted behind the rotary of a soil lifting machine that travels with four wheels, such as a small tractor that can travel between furrows and a riding type cultivator, and the soil that has been plowed between furrows by the rotary. At the same time as the lifting work is performed by covering the top of the ridge, the side of the ridge and the hem of the ridge and the running surface that hangs on the wheel below the side of the ridge are formed to allow stable running between the ridges of the lifting machine. An object of the present invention is to provide an attachment for a soil lifting machine that forms a

In view of the above problems, the present invention provides an attachment for an earth lifting machine that is mounted through an attachment mounting portion on the rear side of a rotary of the earth lifting machine that travels on four wheels , and which forms the side surface of the ridge. 1 forming part, a second forming part for forming a ridge and a running surface for hanging on the wheel below the first forming part, and a mounting part for mounting on the attachment mounting part arranged behind the rotary. death,
The second molding portion includes a vertical plate arranged substantially perpendicular to the running surface, a bottom plate arranged parallel to the running surface on which the wheels are mounted, and the vertical plate for suppressing soil from entering. and an auxiliary plate fixed obliquely rearward to the side edge of the tip of the plate .

In addition to the above-described structure, the vertical plate preferably has a front end portion that is bent into a substantially V shape when viewed from the plane direction, and a flat central portion that faces the side surface of the ridge. .

According to the above-described present invention, the soil lifting work of covering the upper part of the ridge with the plowed soil by the rotary of the soil lifting machine is performed, and at the same time, the side surface of the ridge, the foot of the ridge and the running surface are formed. It is possible to provide an attachment for earth raising work machine that forms a stable running path between the ridges of the machine.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows an example of embodiment of the attachment for earth lifting work machines of this invention. It is the perspective view which decomposed|disassembled the attachment for earth lifting machines of FIG. 1 into the 1st shaping|molding part and the 2nd shaping|molding part. 3(a) is a plan view and (b) is a front view showing the first molding portion of FIG. 2. FIG. It is (a) a top view and (b) a front view which show the 2nd shaping|molding part of FIG. It is a side view which shows the state which mounted|wore the attachment for earth lifting machines of FIG. 1 to the rear of the rotary of a tractor. FIG. 4 is a conceptual diagram showing a state in which earth raising work and forming work are being performed simultaneously.

(embodiment)
An example of an attachment 1 for a soil lifting machine, which is an embodiment of the present invention, will be described in detail with reference to FIGS. 1-6. In the present embodiment, as shown in FIG. 5, the side of the tractor 50 running on four wheels 53, which is the earth lifting machine, is the front direction when viewed from the earth lifting machine attachment 1, and the width direction of the tractor 50 is the left and right direction. direction.

The earth lifting machine attachment 1 is mounted through an attachment mounting portion 52 behind a rotary 51 of a tractor 50 which is a earth lifting machine. A first molding portion 10 for molding the side surface, a second molding portion 20 for molding a ridge hem 41 and a running surface 42 below the first molding portion 10, and an attachment mounting located behind the rotary 51 of the tractor 50. A mounting portion 30 mounted on the portion 52 is configured as a main portion.

As shown in FIGS. 2 and 3, the first forming section 10 includes a claw plate 11 that distributes the soil scraped up by the claws of the rotary 51 to the ridges 40 and 40 side, and a blade plate that presses and molds the side surface of the ridge 40. 12, a support 13 that supports the nail plate 11 and the blade plate 12, and a roller 14 that presses and hardens the running surface 42 flattened by the bottom plate 22 of the second molding portion 20.

As shown in FIG. 3, the nail plate 11 is a plate-like body that is bent into a substantially V-shape when viewed from the plane direction.

The blade plate 12 is a flat plate-like body, and is fixed to the side edge of the nail plate 11 via a connecting portion 12a. Although not shown, the connecting portion 12a may have a hinge structure that can be adjusted so that the sides of the ridges 40, 40 have an inclination angle suitable for the crops to be cultivated and the condition of the soil.

The supporting body 13 is a thin rod-shaped body disposed inside the first shaping portion 10, and fixes the nail plate 11, the blade plate 12, and the roller 14 at appropriate positions, and also attaches to a mounting fixture 32, which will be described later. (See FIG. 1) is fixed so as to be positioned above the nail plate 11. Further, this support 13 has an insertion hole 13a into which the insertion shaft 23 of the second molding portion 20 can be inserted at a vertically lower position where the insert 15 is fixed.

As shown in FIGS. 2 and 4, the second molding portion 20 includes a vertical plate 21 arranged substantially perpendicular to the running surface 42 and a bottom plate 22 arranged parallel to the running surface 42. , a prism-shaped insertion shaft 23 that can be inserted into the insertion hole 13 a of the support 13 , and an auxiliary plate 24 that prevents soil from entering the second molded portion 20 .

As shown in FIG. 4, the vertical plate 21 is a horizontally long plate-like body, and has a tip portion 21a that is bent into a substantially V-shape when viewed from the plane direction in the same manner as the nail plate 11, ridges 40, and a flat central portion 21b facing 40 sides. Further, the vertical plate 21 has a rib 21d that reinforces the shapes of the front end portion 21a, the central portion 21b, and the rear end portion 21c. Further, it is preferable that the rear end portion 21c of the vertical plate 21 is bent inward so as to be slightly separated from the ridges 40, 40 so as not to enter the ridges 40, 40 and break them.

The bottom plate 22 is a flat plate-like body fixed below the tip 21 a of the vertical plate 21 and has an area that covers at least the bottom of the tip 21 a of the vertical plate 21 .

The auxiliary plate 24 is a vertically long rectangular plate-like body having a vertical width at least about twice as large as the vertical width of the vertical plate 21, and prevents it from entering the second molding portion 20. In order to secure the running surface 42 of the wheel 53 of the tractor 50, it is fixed obliquely rearward to the side edge of the tip portion 21a of the vertical plate 21. As shown in FIG.

As shown in FIGS. 1 and 5 , the mounting portion 30 includes a mounting frame 31 that is inserted into and fixed to an attachment mounting portion 52 arranged behind the rotary 51 of the tractor 50 , and an arbitrary mounting frame 31 . The mounting frame 31 has a vertical rod portion 31a that is inserted into and fixed to the attachment mounting portion 52, and a vertical rod portion 31a that extends from the lower end of the vertical rod portion 31a to the left-right direction of the rotary 51. and a horizontal rod portion 31b.

The mounting fixture 32 has a fitting portion 32a that can be fixed at an arbitrary position with respect to the horizontal bar portion 31b of the mounting frame 31, and a tubular shape into which the insert 15 of the first molded portion 10 is inserted and fixed. and an inserted portion 32b. In addition, the inserted portion 32b has a lock mechanism such as a pin that can be engaged and fixed with the inserted body 15 inserted.

Next, the formation of the side surfaces of the ridges 40, 40, the ridge hem 41, and the running surface 42, which is performed at the same time as the soil raising operation for the ridges 40, 40 during cultivation of crops by the attachment 1 for the raising work machine described above, is shown in FIG. will be explained based on

As shown in FIG. 6 , the operator drives the tractor 50 between the ridges 40 and 40 and plows the soil between the ridges 40 and 40 with the rotary 51 . , 40 are covered with soil.

Simultaneously with this earth raising work, the side surfaces of the ridges 40 and 40 are compacted and formed by the first forming section 10 and the ridge hem 41 and the running surface 42 are formed by the second forming section 20 . More specifically, while the tip portion 21 a of the vertical plate 21 of the second shaping portion 20 distributes the soil to the ridge hem 41 side, the central portion 21 b makes the ridge hem 41 perpendicular to the running surface 42 . The ridge hem 41 is formed by pressing.

At the same time when the ridge hem 41 is formed, the running surface 42 near the ridge hem 41 is flattened by the bottom plate 22 of the second molding portion 20, and the running surface is flattened by pressing with the rollers 14 arranged behind. Molding to 42 is also performed. As shown in FIG. 6, the running surface 42 has at least the same width as the wheels 53 of the tractor 50, and is formed to be lower than the vicinity of the center between the ridges 40,40.

Therefore, by the attachment 1 for the earth lifting machine described above, while running the tractor 50 between the ridges 40, 40, the earth lifting work of covering the upper part of the ridge 40 with soil is performed, and at the same time, the side surfaces of the ridges 40, 40 are formed, And it can be formed at right angles with the vertical ridge hem 41 hanging on the wheel of the tractor 50 and the flat running surface 42, and can be formed at a right angle, and can be used for intercultivation, watering, fertilization (liquid fertilizer), weeding, chemical spraying, soil raising, etc. By doing so, it is possible to form a travel path on which the tractor 50 can travel stably between the ridges 40, 40 in a series of farm work.

Although the preferred embodiments of the present invention have been illustrated in the above embodiments, the present invention is not limited to the above embodiments, and improvements and modifications are possible within the scope of the claims. For example, the nail plate 11 has a flat plate-like protruding plate having a vertical width at least as large as that of the blade plate 12, and is positioned in front of the other side edge of the nail plate 11 to which the blade plate 12 is not connected. You may fix so that it may protrude in a direction. In addition, the attachment 1 for earth raising work machine of the present embodiment has the second forming section 20 detachably mounted below the first forming section 10 which is the ridge forming section of the ridge erecting device. The molded portion 10 and the second molded portion 20 may be integrally formed.

1 Attachment for earth lifting machine,
10 first molding portion 11 nail plate 12 blade plate 12a connecting portion 13 support body 13a insertion hole 14 roller 15 insert body
20 second molding portion, 21 vertical plate, 21a front end portion, 21b central portion, 21c rear end portion,
21d rib, 22 bottom plate, 23 insertion shaft, 24 auxiliary plate,
30 Mounting portion 31 Mounting frame 31a Vertical rod portion 31b Horizontal rod portion 32 Mounting tool 32a Fitting portion 32b Inserted portion
40 ridge, 41 ridge hem, 42 running surface,
50 tractor, 51 rotary, 52 attachment mounting portion, 53 wheel.

Claims (4)

An attachment for a soil lifting machine, which is mounted through an attachment mounting portion on the rear side of a rotary of the soil lifting machine, comprising a first forming portion for forming the side surface of a ridge, and a ridge hem below the first forming portion. and a second molding portion that molds a running surface, and a mounting portion that is mounted to the attachment mounting portion arranged behind the rotary. The second forming part has a vertical plate arranged substantially perpendicular to the running surface, a bottom plate arranged parallel to the running surface, and an auxiliary plate for suppressing soil from entering. An attachment for a soil lifting machine according to claim 1, characterized by: 3. The soil according to claim 2, wherein the vertical plate has a front end portion bent into a substantially V-shape when viewed from the plane direction, and a flat center portion facing the side surface of the ridge. Attachment for lifting machine. 3. The attachment for earth lifting machine according to claim 2, wherein the auxiliary plate is fixed obliquely rearward to the side edge of the leading end of the vertical plate.

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