JP2014036600A - Soil plowing equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a piece of soil plowing equipment in which a soil plowing blade is replaceable as well as firmly mountable on a base body in spite of an attachable/detachable type.SOLUTION: In the lower part of a base body 1, an insertion force support plate 5 is installed that has a plate surface in a direction orthogonal to the insertion direction into the ground (a) of a soil plowing blade 4. In the rear side of this base body 1, a rear support part 6 is projectingly installed and, in the projecting tip end of this rear support part 6, a driving force support plate 7 is installed that has a plate surface parallel to the insertion direction into the ground (a) of the soil plowing blade 4. In the base of the soil plowing blade 4, a first mounting plate 8 is provided which is freely attachably/detachably overlapped and fitted with the insertion force support plate 5. Also, in the rear of the proximal end side of the soil plowing blade 4, a second mounting plate 9 is provided which is freely attachably/detachably overlapped and fitted with the driving force support plate 7. In the lower part of the base body 1 or in the rear support part 6 projectingly installed to the rear side of the lower part of the base body 1, a treadle part is installed.

Description

  The present invention relates to a manual earthing device used for raising a field or digging root vegetables.

  The applicant has conventionally implemented a manual earthing device as shown in FIG.

  Briefly explaining this earthing device, a rear support portion 24 is fixed in a protruding state on the rear side of the base body 20 provided with a handle portion 21 at the upper portion thereof in parallel with the lower portion of the base body 20. A foot portion 22 is provided near the lower portion of the base plate, a base portion of the earthing blade 23 is fixed to the lower portion of the base body 20, and a rear portion of the earthing blade 23 is fixed to a protruding tip portion of the rear support portion 24. In this structure, the drafting blade 23 is provided in a downward projecting state at the lower part of the base 20, and while holding the handle part 21, the stepping part 22 is stepped on and the earthing blade 23 is inserted into the ground. When the handle portion 21 is pushed downward with the portion 22 as a fulcrum, the earth raising blade 23 is activated on the basis of the lever principle, and the earth is easily raised.

  The present invention relates to an improvement of the above-mentioned conventional earth raising device, and an earth raising blade is detachably provided on a base so that the earth raising blade can be replaced when the earth raising blade is damaged due to, for example, aged use. At the same time, the present invention provides an earthing device excellent in practicality, which is detachable but can be firmly attached to the lower part of the base.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A foot part 3 is provided at the lower part of the base body 1 provided with the handle part 2 at the upper part, and a raised blade 4 is provided at the lower part of the base body 1 so as to protrude downward from the foot part 3, and the handle part 2 is held. However, in the earth raising device which activates the earth raising blade 4 by stepping on the foot portion 3 to insert the earth raising blade 4 into the ground a and pushing the handle portion 2 downward, The earthing blade 4 is detachably provided at the lower part of the base plate 1 and an insertion force supporting plate part 5 having a plate surface in a direction perpendicular to the direction in which the earthing blade 4 is inserted into the ground a is provided below the base body 1. The rear support portion 6 is provided on the rear side of the base body 1 so as to be juxtaposed with the lower portion of the base body 1, and the protruding edge of the rear support portion 6 is projected to the ground a of the earth raising blade 4. An activation force support plate portion 7 having a plate surface parallel to the insertion direction is provided, A first mounting plate portion 8 having a plate surface in a direction orthogonal to the insertion direction of the earthing blade 4 into the ground a is provided at the base portion of the blade 4, and at the rear side of the base end side of the earthing blade 4, A second mounting plate portion 9 having a plate surface parallel to the insertion direction of the earth raising blade 4 to the ground surface a is provided, and the first mounting plate portion 8 is detachably superposed on the insertion force support plate portion 5. At the same time, the second mounting plate portion 9 is detachably superposed on the starting force support plate portion 7 so that the earthing blade 4 is protruded from the lower portion of the base body 1 so as to be detachable. According to the present invention, the stepping portion 3 is provided on the rear support portion 6 projecting from the lower portion of the base body 1 or the rear side of the lower portion of the base body 1.

  Further, the rear support portion 6 is configured to project from the base body 1 toward the lower rear side, and then has a projecting tip portion projecting forward, and the rear support portion 6 has a projecting tip portion. The earthing device according to claim 1, wherein the starting force support plate portion is provided.

  Further, the earth raising blade 4 is made of metal that has been subjected to quenching treatment, and relates to the earth raising device according to any one of claims 1 and 2.

  Since the present invention is configured as described above, for example, when the earthing blade is damaged or damaged due to aging, the earthing blade can be replaced with a practical earthing blade. Although it is detachable, it can be stably and firmly attached to the lower part of the base by two overlapping stoppers of the first mounting plate part of the base and the second mounting plate part of the rear side on the base end side. The installed sand raising blade has a good transmission of the stepping force to the foot part, so that the earthing blade can be easily inserted into the ground, and the pushing force to the handle part is also well transmitted. It can be easily raised with a raising blade, making it a highly practical and highly commercial product.

  In the invention according to claim 2, the rear support portion having the starting force support plate portion capable of stopping the base end side (second mounting plate portion) of the earth raising blade can be easily designed and realized. It will be an earthenware with a structure that is more practical.

  Further, in the invention described in claim 3, the earth raising blade itself has a high durability, a long life, a high commercial value, and an excellent practical utility.

It is a perspective view which shows a present Example. It is a perspective view of the state which decomposed | disassembled the earth raising blade of a present Example. It is a partial expanded side sectional view which shows the attachment structure of the earth raising blade of a present Example. It is explanatory side view which shows the use condition of a present Example. It is a perspective view which shows a prior art example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  The earthing device according to the present invention is removed from the lower part of the base 1 when the earthing blade 4 is damaged or damaged due to aging, and the desired performance cannot be fully exhibited. Is replaceable.

  Specifically, the first attachment plate 8 at the base of the earthing blade 4 and the insertion force support plate 5 at the lower portion of the base body 1 are released from being superposed, and the rear side of the base end side of the earthing blade 4 is released. The earth raising blade 4 is removed from the base body 1 by releasing the polymerization stop between the second mounting plate part 9 and the starting force support plate part 7 at the projecting tip portion of the rear support part 6 arranged in parallel to the lower part of the base body 1, The first mounting plate portion 8 of the new earthing blade 4 is detachably superposed on the insertion force supporting plate portion 5 of the base 1 and the new earthing blade 4 is attached to the starting force supporting plate portion 7 of the rear supporting portion 6. By detaching the second mounting plate portion 9 in a detachable manner, a new earth raising blade 4 can be provided in a detachable manner at the lower portion of the base body 1.

  Accordingly, since the earthing blade 4 is detachable, the two portions of the base portion and the rear end portion on the base end side are superposed on the lower portion of the base body 1 and the protruding front end portion of the rear support portion 6 provided in parallel thereto, respectively. Thus, it can be stably and firmly attached to the lower portion of the base 1.

  When raising the earth, the user steps on the foot part 3 while holding the handle part 2, inserts the earthing blade 4 into the ground a, and then pushes down the handle part 2 to raise the earth. The blade 4 can be activated to raise the soil.

  Further, when the foot part 3 is stepped on, the foot force applied to the foot part 3 is transmitted from the plate surface of the insertion force support plate portion 5 to the plate surface of the first mounting plate portion 8. Compared to a configuration in which the force support plate portion 5 and the first mounting plate portion 8 are stopped in a line contact state or a point contact state, the transmission force loss is small, so the transmission force loss is small. Is easy to insert into the ground a because the insertion force is well transmitted.

  Further, when the earth raising blade 4 is activated by pushing the handle portion 2 downward, the pushing force to the handle portion 2 is activated as an activation force to activate the earth raising blade 4. Since it is transmitted from the plate surface of the force support plate portion 7 to the plate surface of the second mounting plate portion 9, the starting force support plate portion 7 and the second mounting plate portion 9 are stopped in a line contact state or a point contact state. Compared to the configuration, the transmission area of the starting force (pushing force) is wide, so the loss of the transmitting force is small. Therefore, the starting force is well transmitted to the earth raising blade 4 and the soil on the ground a is easily raised.

  Specific embodiments of the present invention will be described with reference to the drawings.

  The earth raising device of this embodiment is provided with a foot part 3 at the lower part of the base body 1 provided with the handle part 2 at the upper part, and protrudes downward from the foot part 3 to raise the earthing blade 4 at the lower part of the base body 1. The earth raising blade 4 is detachably provided on the lower portion of the base body 1.

  Specifically, as shown in FIGS. 1 and 2, the base body 1 of this embodiment includes a pair of left and right vertical frames 10 that employ a long round bar (round pipe) made of metal (for example, aluminum). A horizontal frame 11 employing a round bar (round pipe) made of metal (for example, aluminum) is fixed to the installed state by welding or the like between the upper ends, and between the lower ends of the pair of left and right vertical frames 10, The strip 5 (for example, made of aluminum) is formed into a vertically long rectangular frame formed by fixing it in a erected state by welding or the like.

  Further, the horizontal frame 11 has a length in which both end portions protrude outward from the left and right vertical frames 10. In this embodiment, the horizontal frame 11 protrudes outward from the left and right vertical frames 10. A grip 12 made of synthetic resin is covered and fixed at both ends, and the both ends of the horizontal frame 11 to which the grip 12 is covered and fixed are used as the handle portion 2 that the user can hold with both hands.

  In addition, an insertion force support plate portion 5 having a plate surface in a direction orthogonal to the insertion direction of the earthing blade 4 to the ground a is provided at the lower portion of the base body 1.

  The insertion force support plate portion 5 is composed of a strip plate 5 that is installed between the lower ends of the left and right vertical frames 10. More specifically, the band plate 5 constituting the insertion force support plate portion 5 has one side plate surface (the upper plate surface in the drawing) between the lower end portions of the left and right vertical frames 10 and the lower end portion of each vertical frame 10. It is fixed to the installed state by welding.

  That is, this insertion force support plate portion 5 has a plate surface in the horizontal direction when the other side plate surface (the lower plate surface in the drawing) is in the upright state, and the plate surface direction of this other side plate surface Is configured to be in a direction orthogonal to the insertion direction (substantially vertical) when the earthing blade 4 is inserted into the ground surface a.

  In addition, a rear support portion 6 is provided on the rear side of the base body 1 so as to be juxtaposed with the lower portion of the base body 1 so as to project downward. An activation force support plate portion 7 having a plate surface parallel to the direction of insertion into the ground a is provided.

  More specifically, the rear support portion 6 is made of a round bar (round pipe) made of metal (for example, aluminum), and the rear support portion 6 is located in the middle of the rear side of each of the left and right vertical frames 10. It is fixed in a projecting state at a slightly lower position by welding or the like.

  Further, the left and right rear support portions 6 project from the rear sides of the left and right vertical frames 10 toward the lower rear side of the base 1, and then each projecting tip portion projects forward. Can be constructed between the projecting tip portions of the rear support portions 6 and between the projecting tip portions of the rear support portions 6. The starting force support plate portion 7 using a metal (for example, aluminum) strip having a long length is provided.

  The starting force support plate portion 7 has its one side plate surface (the right side plate surface in FIG. 3) fixed to the projecting tip portion of each rear support portion 6 by welding or the like. 7, the other side plate surface (the left side plate surface in FIG. 3) has a plate surface in the vertical direction when the base body 1 is in the upright state. It is configured to be in a direction parallel to the insertion direction (substantially vertical) at the time of insertion into the ground a, and the other side plate surface of the starting force support plate portion 7 is behind the base member 1 from the insertion force support plate portion 5. The projecting length of each of the rear support portions 6 is set and configured so as to be disposed at the rear.

  The earth raising blade 4 of the present embodiment is configured in a comb blade shape in which a plurality of (five in the drawing) metal (for example, iron) strip blades 14 are juxtaposed in the left-right direction at a small interval. ing.

  More specifically, each band-like shape is formed on one side plate surface (lower plate surface in FIG. 3) of the first mounting plate portion 8 adopting a metal (for example, iron) belt plate having the same shape as the insertion force support plate portion 5. The base end portion of the blade plate 14 is fixed by welding or the like, and a plurality of strip-like blade plates 14 are projected (hanged down) in a direction orthogonal to the plate surface direction of the one side plate surface of the first mounting plate portion 8, Further, between the base side rear portions of the belt-like blade plates 14, one side plate surface of the second mounting plate portion 9 adopting a metal (for example, iron) belt plate having the same shape as the starting force support plate portion 7 (FIG. The left side plate surface 3) is constructed and fixed by welding or the like to constitute the comb blade-shaped earth raising blade 4.

  That is, the earthing blade 4 is provided with a first mounting plate part 8 having a plate surface in a direction perpendicular to the insertion direction of the earthing blade 4 into the ground a at the base part, and at the rear part on the base end side, A second mounting plate portion 9 having a plate surface parallel to the insertion direction of the earthing blade 4 into the ground a is provided.

  In addition, the earthing blade 4 is made of metal that has been subjected to quenching treatment, including the first mounting plate portion 8 and the second mounting plate portion 9.

  The detachable attachment structure of the earthing blade 4 to the base body 1 is an attachment structure using attachment bolts 17. More specifically, as shown in FIG. 2 and FIG. 3, the starting force support plate 7 at the vicinity of both ends of the insertion force support plate 5 at the lower portion of the base 1 and the protruding tip of the rear support 6. Bolt through-holes 15 are formed penetrating two locations on one side of each of the two ends of each of the first and second mounting plates near the both ends of the first mounting plate 8 of the base portion of the earth raising blade 4 and the rear portion of the base end side. In the vicinity of both end portions of the portion 9, communication holes 16 communicating with the bolt through holes 15 are formed penetratingly at two locations on one side. Then, the insertion force support plate portion 5 and the first mounting plate portion 8 are superposed, and the starting force support plate portion 7 and the second attachment plate portion 9 are superposed to each bolt through hole 15 and each communication hole 16. The mounting bolts 17 that employ hexagon bolts 17 are inserted into the respective communicating hole portions that are communicated, and the mounting nuts 18 that employ hexagon nuts 18 are screwed into the ends of the mounting bolts 17. Attach and tighten the mounting bolts 17 and the mounting nuts 18 to stop the insertion force supporting plate portion 5 and the first mounting plate portion 8 from overlapping, and to start the supporting force supporting plate portion 7 and the The two mounting plate portions 9 are stopped by polymerization, and the earthing blade 4 is attached to the lower portion of the base 1 so as to protrude.

  Accordingly, the earth raising blade 4 is configured to be stably and firmly attached to the lower portion of the base body 1 by being superposed on the base and the rear end on the base end side while being detachable.

  Further, when it is desired to replace the earthing blade 4, the fastening bolts 17 are simply released from the fastening bolts 17 and the mounting nuts 18, and the mounting bolts 17 are removed from the bolt through holes 15 and the communication holes 16. Thus, the earthing blade 4 can be easily removed.

  The foot part 3 of the present embodiment is composed of a cross member 13 employing a metal (for example, aluminum) round bar (round pipe), and the cross member 13 as the foot part 3 is supported on the left and right rear sides. It is erected and fixed by welding or the like between the middle parts near the lower part of the part 6. That is, the case where the foot step part 3 is provided in the lower part (near the lower part) of the rear support part 6 provided in parallel with the lower part of the base body 1 is shown. In addition, in the first aspect, the description “providing the foot portion at the lower portion of the base body” is used in the sense that the lower portion of the rear support portion 6 is also included in the lower portion of the base body 1. Further, the foot step portion 3 is not limited to the present embodiment, and may be provided at the lower portion of the base body 1 or may be configured such that the insertion force support plate portion 5 functions as the foot step portion 3. .

  Next, the usage method of a present Example is demonstrated using FIG.

  The user puts his / her foot on the foot part 3 while holding the handle part 2 with both hands and steps on the foot to insert the earthing blade 4 into the ground a.

  When the earthing blade 4 is inserted, if the handle portion 2 is pushed down (downward), the foot portion 3 becomes a support fulcrum of the handle portion 2 when the foot step portion 3 contacts the ground a. By the lever principle using the handle portion 2 as a power point and the raising blade 4 as an action point, the raising blade 4 is activated using the foot portion 3 as a fulcrum to raise the earth.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Base | substrate 2 Handle part 3 Foot part 4 Earth raising blade 5 Insertion force support plate part 6 Back support part 7 Starting force support plate part 8 First attachment plate part 9 Second attachment plate part a Ground

Claims (3)

  A foot part is provided at the lower part of the base body with a handle part on the upper part, and the foot is projected downward from the foot part so that an earthing blade is provided at the lower part of the base body, and the foot part is stepped on while holding the handle part. The earthing blade is inserted into the ground and the earthing blade is activated by pushing the handle portion downward, and the earthing blade is detachably provided at the lower part of the base body. An insertion force support plate portion having a plate surface in a direction perpendicular to the insertion direction of the earthing blade into the ground is provided at the lower portion of the base body, and the rear side of the base body is arranged in parallel with the lower portion of the base body. A support portion is provided in a protruding manner, and a starting force support plate portion having a plate surface parallel to a direction in which the earth raising blade is inserted into the ground is provided at a protruding tip portion of the rear supporting portion, and a base portion of the earth raising blade is provided. In the direction of insertion of this earthing blade into the ground A first mounting plate portion having a plate surface in a direction orthogonal to the second mounting plate having a plate surface parallel to the insertion direction of the earthing blade into the ground at the rear portion on the base end side of the earthing blade The first mounting plate portion is detachably superposed on the insertion force support plate portion, and the second mounting plate portion is detachably superposed on the starting force support plate portion. The earth raising blade is provided in a projecting state at the lower part of the base body so as to be detachable, and the foot support part is provided on the rear support part projecting on the lower side of the base body or on the rear side of the lower part of the base body. A featured earth-raising machine.   The rear support portion is formed so as to protrude rearward and downward from the base body, and then the protruding tip portion protrudes forward, and the starting force support plate is formed on the protruding tip portion of the rear support portion. The earthing device according to claim 1, further comprising a portion.   The earth raising device according to any one of claims 1 and 2, wherein the earth raising blade is made of metal that has been subjected to quenching treatment.

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