JP2016182111A - Puddling implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an agricultural implement having a function for reducing efficiently an influence by a travel mark of a tractor, concerning an agricultural implement mounted on the tractor and performing a farm operation.SOLUTION: A puddling implement mounted on a tractor and performing a puddling work has soil gathering plates 32, 42 fixed at a fixed angle to a traveling direction respectively on positions each corresponding to parts on further inside and further outside in a lateral direction than a groove so as to guide mud to the groove of a travel mark of the tractor, and is formed so that a rear side end part of one soil gathering plate 42 is positioned on the furthermore rear side in a cross direction than a rear side end part of the other soil gathering plate 32.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a scraping work machine, and more particularly, to a scraping work machine having a function of reducing the influence of a traveling trace of a tractor in a scraping work machine that is mounted on a tractor and performs the cutting work.

  In a scraping work machine that mounts on a tractor and performs scraping work, the scraping work may be affected by the influence of a running trace by a tire or a crawler of the tractor. This is because the ground of the field is depressed and a groove is formed in the tire or crawler part due to the weight of the tractor, and the soil is raised around the ground. Due to this effect, the field scene may not be completely leveled even when the scraping operation is performed.

  Therefore, for example, Patent Document 1 describes that a leveling assisting device for a skimming work machine guides and backfills soil that has risen due to the progress of a tractor into a culvert groove using a mulch board.

JP 2011-87507 A

  When erasing the running trace due to the tractor tire or the crawler, it is more desirable to guide the mud not only from one side but also from both sides to the running trace groove as in Patent Document 1. At this time, in the case of tires, mud can be guided to the groove of the running trace by installing a mulch plate at positions corresponding to both sides of the groove of each tire. In this case, it is conceivable to install mulch plates symmetrically installed at the same position and angle on both sides of the tire, but with this structure, if there are a lot of garbage (dust) in the field, There is a possibility of clogging between mulching boards. At this time, since the function of the lining plate cannot be sufficiently performed, the operator needs to suspend the operation and remove dust and the like, resulting in poor work efficiency.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a scraping work machine having a function of more efficiently reducing the influence of a traveling trace of a tractor in a scraping work machine that is mounted on a tractor and performs a scraping work. .

  In order to achieve the above object, one of the scraping work machines according to the present invention is a scraping work machine that is mounted on a tractor and performs the scraping work, so that mud can be guided to the groove of the track of the tractor. Also have a mulching plate fixed at a certain angle with respect to the traveling direction at positions corresponding to the laterally inner portion and the laterally outer portion, and the rear end of one of the mulching plates is the other It is formed so that it may be located in the back side in the front-back direction rather than the back side edge part of a board.

Further, one of the plowing machines according to the present invention is characterized in that the front end of the one mulch plate and the front end of the other mulch plate are in the same position in the front-rear direction.
Furthermore, in one of the plowing machines according to the present invention, the position in the front-rear direction of the front side end portion of the one side-by-side plate is located in front of the position in the front-rear direction of the front side end portion of the other side-by-side plate. It is characterized by that.
Further, one of the plowing machines according to the present invention is such that the front-end position of the front end of the one lining plate is located behind the front-end position of the front end of the other lining plate. It is characterized by being.
Further, in one of the plowing machines according to the present invention, the one mulch plate is installed at a position corresponding to a portion on the laterally outer side than the groove, and the other mulch plate is a portion on the laterally inner side than the groove. It is installed in the position corresponding to.

Further, in one of the scraping work machines of the present invention, the earthing plate is fixed by attaching the earthing plate body having the earthing plate to the earthing plate mounting portion fixed to the body of the scraping work machine main body. It is characterized by.
Furthermore, one of the plowing machines according to the present invention is characterized in that the mulcher plate mounting portion can be attached to the mulcher plate body at two positions in the front-rear direction.

  ADVANTAGE OF THE INVENTION According to this invention, the influence by the running trace of a tractor can be more efficiently reduced in the scraping work machine which mounts to a tractor and performs a scraping work.

The top view of Example 1 of the scratching work machine of this invention is shown. The side view of Example 1 of the alternative working machine of this invention is shown. The top view of the earth gathering apparatus in Example 1 of the scraping work machine of this invention is shown. It is explanatory drawing which shows the flow of the water in the case of using the same right and left mulching board. It is explanatory drawing which shows the flow of the water by the earth gathering apparatus in Example 1 of the scraping work machine of this invention. The top view of the earth gathering apparatus in Example 2 of the scraping work machine of this invention is shown. The top view of the earth gathering apparatus in Example 3 of the scraping work machine of this invention is shown. The top view of Example 4 of the substitute working machine of this invention is shown. The perspective view of the earth gathering apparatus in Example 5 of the scratching work machine of this invention is shown. The top view of the earth gathering apparatus in Example 5 of the scraping work machine of this invention is shown.

  A mode for carrying out the present invention will be described.

  FIG. 1 shows a plan view of a first embodiment of a scratching work machine according to the present invention. FIG. 2: shows the side view of Example 1 of the scratching work machine of this invention. FIG. 3: shows the top view of the litter apparatus in Example 1 of the scraping work machine of this invention.

  The scraping work machine 100 according to the first embodiment mounts a mounting portion 120 having a mast 121 and a hitch 122 on a connecting portion on the rear portion of the tractor to perform a scraping operation. In FIG. 1, the illustration of the tractor other than the rear side of the tractor tire 1 on both sides of the rear portion of the tractor is omitted. The power from the tractor is input from the input shaft 108 in the input shaft cover 101 through a joint or the like, and is transmitted through the transmission mechanism in the mission case 102, the shaft in the left frame pipe 103, the chain in the chain case 105, etc. Then, the cutting work is performed by rotating the tilling shaft having the cutting claw in the cultivation unit 130 located below the cultivation unit cover 112. A left frame pipe 103 is provided on the left side of the mission case 102 and a right frame pipe 104 is provided on the right side. The left end of the left frame pipe 103 is a chain case 105, and the right end of the right frame pipe 104 is a bracket 107. ing. Under the transmission case 102, the left frame pipe 103, and the right frame pipe 104, a tillage part cover 112 is provided, and a first ground leveling body 114 is disposed below the tillage part cover 112 via a rubber cover 113. Further, a second leveling body 115 is attached to the lower side of the first leveling body 114. A front pipe 111 is provided in front of the transmission case 102, the left frame pipe 103, and the right frame pipe 104, and connects the left and right sides of the chain case 105 side and the bracket 107 side.

  The scraping work machine 100 has dirt crushing devices 4, 3, 3 ', 4' for bringing mud due to the influence of the tractor tire 1 when the tractor moves forward, in order from the left on the front side of the main part of the scraping work machine 100. The earthing devices 4, 3, 3 ', 4' are constituted by an earthing plate mounting portion 20 to be attached to the front pipe 111 of the main scraper working machine 100 main body, and the earthing plate main bodies 40, 30, 30 ', 40'. When working with the tractor moving forward, the ground of the tractor tire 1 has a dent groove due to the weight of the tractor, and mud rises on both sides of the tractor tire 1. The earthing devices 4, 3, 3 'and 4' are for reducing the influence of the mud on the leveling work by the scraping work machine 100. The tractor tire 1 is the same even in the case of a crawler, and the present invention can be applied to this as well.

  As shown in FIG. 1, the earth evacuation device is provided with two earth evacuation devices 4, 4 ′ and a groove formed by the tractor tire 1 (groove formed by the tractor tire 1). It is installed in a total of four places, the mulching devices 3, 3 'in two places corresponding to mud inside. The mulching plate main bodies 30, 30 ', 40, 40' have burial plates 32, 42, thereby forming a mulching surface. It is set so that the soil in the outward direction at a constant distance from the laterally outer end 1a of the tractor tire 1 will come into contact with the soil approach surface as the tractor advances. Furthermore, it is set so that the soil in the inner direction at a certain distance from the inner end portion 1b in the lateral direction of the tractor tire 1 contacts the dirt approaching surface as the tractor advances. The earthing surface is formed obliquely with respect to the traveling direction in a state of being opened at a certain angle with respect to a vertical plane in the traveling direction (upper side in FIG. 1), and the soil hitting the earthing surface is a groove direction due to the trace of the tractor tire 1. It is installed so that soil can flow. Specifically, if the tractor tire outer end 1a side is formed, the front side of the mulching surface is formed in a state of opening a certain angle toward the outside, and if it is the tractor tire inner end portion 1b side, the front side of the mulching surface is inward. It is formed to open. As the opening angle, for example, an angle suitable for earthing such as 30 ° is adopted. You may make it install these angles at the same angle.

  The digging devices 4, 3, 3 ′, 4 ′ fix the digging plate mounting portion 20 to the front pipe 111 of the scraping work machine 100, and the mulching plate main bodies 40, 30, 30 ′, 40 ′ It is comprised by attaching to.

  In order to attach to the front pipe 111, the earthing board attaching part 20 has a fixing member 24 and a fixing plate 25, and these are fixed so as to sandwich the front pipe 111 therebetween. In FIG. 2, the front pipe 111 shows an example of a square pipe, and shows an example in which the apex is configured vertically and horizontally in the cross section. Further, an example in which a fixing bolt 91 and a fixing nut 92 are used for fixing is shown. The fixing member 24 includes a fixing plate 21, a side plate 22, and a reinforcing plate 23, which are joined by welding, for example.

  The fixed plate 21 can be formed by processing a metal member such as a plate-shaped iron material. In the upper part, an upper mounting part 21a having a mounting hole for passing the fixing bolt 91 arranged in the vertical lateral direction, the lower part is an upper part inclined obliquely downward on the front side (left side in FIG. 2) via a bent part. An inclined portion 21b, a lower inclined portion 21c that is inclined obliquely downward to the rear side via a bent portion on the lower side, and a fixing bolt 91 that is disposed in the vertical lateral direction via the bent portion on the lower side thereof. A lower mounting portion 21d having a mounting hole for passing it is provided. The rear side of the upper inclined portion 21b and the lower inclined portion 21c is configured to follow the shape of the side surface in the cross section of the front pipe 111, and the fixing plate 21 has a certain width (fixing nut 92) required for fixing along the front pipe 111. And a width that can join the side plate 22).

  The side plate 22 can be formed by processing a metal member such as a plate-like iron material, and two side plates 22 having the same shape arranged in the vertical front-rear direction are arranged side by side and used. The side plate 22 has a plurality of adjustment holes 22a that are open in the horizontal direction and are arranged in the vertical direction in the vicinity of the front portion of the side surface. In FIG. 2, six adjustment holes 22a are formed in the vertical direction. The positions of these holes are formed at the same position by the two side plates 22, and the pin portion 93 a of the mounting pin 93 can be passed therethrough. On the other hand, the rear side surface of the side plate 22 is processed to have a shape along the front side of the upper inclined portion 21 b and the lower inclined portion 21 c of the fixed plate 21, and is joined to the fixed plate 21. The interval between the two side plates 22 is wider than the fixing nut 92.

  The reinforcing plate 23 is a reinforcing plate that connects the two side plates 22 and can be formed by processing a metal member such as a plate-shaped iron material. The number of reinforcing plates 23 can be used as needed, and FIG. 2 shows an example in which two reinforcing plates 23 are used in the vertical direction. If the back side of the reinforcing plate 23 is joined to the fixed plate 21, the strength can be increased. Further, the front side of the reinforcing plate 23 can have a shape that conforms to the outer shape of the mounting pipe 31 described later, and a circular pipe can have an arc shape. Thereby, it becomes possible to contribute to alignment of the attachment pipe 31 and prevention of rattling.

  The fixed plate 25 can be formed by processing a metal member such as a plate-shaped iron material. In the upper part, there is an upper mounting part 25a that is arranged in the vertical lateral direction and has a mounting hole for passing the fixing bolt 91, the lower side is an upper inclined part 25b that is inclined obliquely downward to the rear side via a bent part, A lower inclined portion 25c which is inclined obliquely downward to the front side through the bent portion is provided below the mounting portion, and a mounting hole for passing the fixing bolt 91 disposed in the vertical lateral direction through the bent portion is provided below the lower inclined portion 25c. A lower mounting portion 25d is provided. The front sides of the upper inclined portion 25b and the lower inclined portion 25c are configured to follow the shape of the side surface in the cross section of the front pipe 111, and the fixing plate 25 has a certain width necessary for fixing along the front pipe 111. .

  In FIG. 2, a mulch plate main body 40 having a mulch plate 42 in the foreground is shown, and a mulch plate main body 30 having a dig plate 32 on the back side is shown, but here, the mulch plate main body 30 will be described first. The mulching plate main body 30 has an attachment pipe 31, a mulching plate 32, and a reinforcing member 33, which are joined by welding, for example.

  The attachment pipe 31 is formed of, for example, a round pipe made of a metal member such as an iron material, and has two or more attachment holes 31a penetrating through the pipe provided in the vertical direction. In FIG. 2, two are formed. In addition, the lower side of the attachment pipe 31 is joined to the earth collecting plate 32 and the reinforcing member 33.

  The earthing board 32 has a substantially rectangular plate shape that is long in the front-rear direction, and an inclined portion 32a that connects the middle of the front side surface and the middle of the lower side surface is formed by eliminating the front lower corner. The front end portion of the lining plate 32 is a side surface 32b perpendicular to the ground, and the rear end portion of the lining plate 32 is a side surface 32c perpendicular to the ground. Each corner is rounded. The plate surface is installed in a direction perpendicular to the ground. The earthing board 32 can be formed by processing a metal member such as a plate-shaped iron material. Further, on the back surface of the earthing plate 32, it is joined to the lower side of the attachment pipe 31 and the reinforcing member 33. The earthing board 32 is joined at a certain angle with respect to the direction of penetration of the mounting hole 31 a of the mounting pipe 31. The angle in this case is an angle obtained by subtracting the angle at which the mulching plate 32 is opened from the right angle with respect to the traveling direction.

  The reinforcing member 33 is for increasing the strength of the connection between the attachment pipe 31 and the earthing plate 32, and can be formed by processing a metal member such as a plate-shaped iron material. In FIG. 3, the reinforcing member 33 has a shape close to a triangle as a whole, a plate surface is arranged substantially parallel to the ground, and one side is joined to the back surface of the earthing plate 32. Further, the closer to the attachment pipe 31, the larger the width as viewed from the top surface. At the joint portion with the attachment pipe 31, the joint portion can be increased in an arc shape in accordance with the shape of the attachment pipe 31.

  The earthing device 4 is configured by attaching the earthing plate main body 40 to the earthing plate attaching portion 20, and the earthing plate main body 40 uses the earthing plate 42 that is longer in the rear direction than the earthing plate 32. In other words, the mulching plate 32 is joined to the mounting pipe 31 in the vicinity of the rear portion, but the mulching plate 42 has an extended portion that extends to the rear side of the joining portion of the mounting pipe 31. . In addition, an inclined portion 42 a is provided on the front side of the stuffing plate 42, which is the same as the inclined portion 32 a of the stuffing plate 32. Moreover, the front side edge part of the earthing board 42 becomes the side surface 42b perpendicular | vertical to the ground, and the rear side edge part of the earthing board 42 becomes the side surface 42c perpendicular | vertical to the ground.

  The earth gathering device 3 ′ is configured by attaching an earth gathering plate body 30 ′ formed symmetrically with respect to the earth gathering device 3. The earthing board main body 30 ′ is attached to the attachment pipe 31 with the earthing board 32 and the reinforcing member 33 symmetrically with respect to the traveling direction when viewed from the upper surface of the earthing board main body 30. The earth gathering device 4 ′ is configured by attaching an earth gathering plate main body 40 ′ formed symmetrically with respect to the earth gathering device 4. The earthing board main body 40 ′ is attached to the attachment pipe 31 so that the earthing board 42 and the reinforcing member 33 are symmetrical with respect to the traveling direction when viewed from the upper surface.

  Next, the attachment of the mulching device 3 will be described (the same applies to the mulching devices 3 ', 4 and 4').

  First, the attachment of the lining plate attachment part 20 to the front pipe 111 will be described. The upper inclined portion 21b and the lower inclined portion 21c of the fixing plate 21 of the fixing member 24 are aligned with the side surface of the front corner portion of the front pipe 111. The upper inclined portion 25b and the lower inclined portion 25c of the fixing plate 25 are aligned with the side surface of the rear corner portion of the front pipe 111. And the position of the hole which the upper attachment part 21a in the fixing plate 21 of the fixing member 24 and the hole which the upper attachment part 25a in the fixing plate 25 has are aligned in the front-rear direction, and the lower attachment part in the fixing plate 21 of the fixing member 24 The holes in 21d and the holes in the lower mounting portion 25d in the fixing plate 25 are aligned in the front-rear direction and fixed with fixing bolts 91 and fixing nuts 92, respectively. Since the fixing position can be determined at an arbitrary position in the left-right direction of the front pipe 111, it can be moved to an appropriate location and fixed according to the tractor tire 1.

  The attachment of the earthing plate main body 30 to the earthing plate attaching part 20 is performed by arranging the attachment pipe 31 of the earthing board main body 30 between the two side plates 22 of the earthing plate attaching part 20 and mounting the pipe 31 at a height to be attached. The mounting hole 31 a is aligned with the adjustment hole 22 a of the side plate 22. The height at this time is set to a height suitable for moving the soil by the mulching plate 32. For example, the lower end portion is set to be located in the farm scene or in the vicinity of the farm scene. Then, the pin portion 93 a of the attachment pin 93 is passed through the adjustment hole 22 a of the one side plate 22, the attachment hole 31 a that penetrates the attachment pipe 31, and the adjustment hole 22 a of the other side plate 22. Then, the locking portion 93c of the mounting pin 93 is turned around the head 93b of the mounting pin 93 and fixed to the side surface of the side plate 22 opposite to the head 93b. At this time, the lock portion 93c is biased toward the side plate 22 by an elastic force so that the mounting pin 93 is not removed. This is performed at two positions above and below the attachment hole 31a of the attachment pipe 31. Further, the rear side of the mounting pipe 31 may be easily positioned by contact of an arc portion of the reinforcing plate 23 to increase the mounting strength.

  The height of the main body 30 attached to the side plate attachment portion 20 can be changed by changing the vertical position of the attachment hole 31a of the attachment pipe 31 relative to the adjustment hole 22a of the side plate 22. Further, by using the configuration using the mounting pins 93, it is easy to attach, remove, and adjust the height of the mulching plate main body 30 with respect to the mulching plate mounting portion 20. It is also possible to adjust the height by providing a large number of holes in the attachment pipe 31.

  In this way, as shown in FIG. 1, the earthing devices 4, 3, 3 ′ and 4 ′ are arranged in this order from the left. Moreover, the angles of the mulching plates 32 and 42 are in a state opened by a certain angle (for example, 30 °) with respect to the traveling direction.

  FIG. 3 shows a configuration of the earth evacuation device 4 and the earth evacuation device 3 corresponding to the tractor tire 1 on the left rear side. As indicated by the horizontal line P in the figure, the front-rear direction position of the front end of the mulching plate 42 in the outer (left) mulching device 4 and the front side of the mulching plate 32 in the inner (right) mulching device 3 are shown. The positions of the end portions in the front-rear direction are the same. Further, the rear side end of the lining plate 32 is at the position Q, and the rear side end of the lining plate 42 is at the position R located behind Q. That is, the lining plate 42 is configured to be long behind the lining plate 32. At this time, the distance between Q and R is preferably 30 mm or more, and more preferably about 50 to 100 mm.

  FIG. 4 is an explanatory diagram showing the flow of water when using the same left and right mulch plates 32. FIG. 5 is an explanatory diagram showing the flow of water by the mulcher in Embodiment 1 of the plow working machine of the present invention.

  FIG. 4 shows that the same mulch plate 32 arranged symmetrically for each of the left and right tractor tires 1 is installed. In this case, when the tractor is moved forward, both sides of the tractor tire 1 (outer end 1a side and inner side) Each of the water flows including mud on the end 1b side hits the left and right mulch plates 32 and flows inward and rearward at an angle attached to the mulch plate 32. Thereby, the mud on both sides of the tractor tire 1 is guided in the direction of filling the groove by the tractor tire 1. At this time, the two water flows merge at the center between the two opposing mulch plates 32 at the rear end position Q of the mulch plate 32, but the water flows collide with each other and the momentum is weakened. For this reason, garbage such as miscellaneous matters is easily clogged at this position.

  On the other hand, FIG. 5 shows the first embodiment, and the rear end of the outer side panel 42 is extended backward. When the tractor is moved forward, the water flow including mud on both sides (the outer end portion 1a side and the inner end portion 1b side) of the tractor tire 1 hits the inner side bleed plate 32 and the outer side bleed plate 42, respectively. , 42 flows inward and rearward according to the angle attached to 42. As a result, the mud on both sides of the tractor tire 1 is guided in the direction of filling the groove by the tractor tire 1, so that the leveling by the scraping operation of the main body portion of the scraper working machine 100 behind the tractor tire 1 can be increased. At this time, at the rear end position Q of the mulching plate 32, the two water flows merge. However, since the outer water flow is still guided inward and rearward by the mulching plate 42, the water flow toward the inside wins, and the scraping work machine 100 A water flow toward the center of the city is born. For this reason, at the rear end position Q of the mulching plate 32 and the rear end position R of the mulching plate 42, the momentum of the water flow is less likely to decrease, and there is an effect of preventing clogging of dust such as foreign matters. It also has the effect of pulling in surrounding water and suppressing the discharge of water to the side.

  FIG. 6: shows the top view of the earth gathering apparatus in Example 2 of the scraping work machine of this invention. In the second embodiment, differences from the first embodiment will be mainly described, and the same portions are denoted by the same reference numerals.

  FIG. 6 shows the configuration of the earthing device 4 and the earthing device 5 corresponding to the left rear tractor tire 1. The outer side (left side in the figure) of the mulching device 4 is the same as that of the first embodiment. The mulching device 5 on the inner side (right side of the drawing) is different from the mulching plate 32 of the mulching plate main body 30 of the mulching device 3 of Example 1 in that the mulching plate main body 50 changed to the mulching plate 52 is attached. The rest is the same as in the first embodiment.

  The mulch plate 52 is configured to have a shorter length in the forward direction than the mulch plate 32 of the first embodiment. That is, the length b of the mulching plate 52 is shorter than the length a of the digging plate 42 shown in FIG. 6, and this length b is shorter than the length of the mulching plate 32 of the first embodiment. And in the state which installed the mulching device 4 and the mulching device 5, the front side edge part of the inner side mulching plate 52 is located back rather than the front-end | tip position P of the outer side mulching plate 42 which opposes. On the other hand, the rear end portion of the inner lining plate 52 is at the position Q as in the inner lining plate 32 of the first embodiment. Further, the rear side end portion of the outer lining plate 42 is at the position R as in the first embodiment. For this reason, since the distance in the front-rear direction between the rear end portion of the outer lining plate 42 and the rear end portion of the inner lining plate 52 is the same as in the first embodiment, the effect of the water flow described in the first embodiment is also achieved. It can be demonstrated. In addition, an inclined portion similar to the inclined portion 32 a of the mulching plate 32 may be provided on the front side of the mulching plate 52.

  In addition, as a mulching apparatus corresponding to the tractor tire 1 on the right rear side, the mulching apparatus 4 is arranged in a symmetrical shape with respect to FIG. A mulching device (not shown) that is symmetrical in right and left is installed.

  FIG. 7: shows the top view of the earth gathering apparatus in Example 3 of the scraping work machine of this invention. In the third embodiment, differences from the first embodiment will be mainly described, and the same portions are denoted by the same reference numerals.

  FIG. 7 shows the configuration of the earth evacuation device 6 and the earth evacuation device 3 corresponding to the tractor tire 1 on the left rear side. The lining device 3 on the inner side (right side in the figure) is the same as that of the first embodiment. The outside (left side in the figure) mulching device 6 is different from the mulching device 4 of the first embodiment in that the mulching plate main body 40 is changed to a mulching plate main body 30 ′ having a mulching plate 32 and the fixing member 24 is moved in the front-rear direction. The point that it changed to fixing member 24 'with short length differs, and other than that is the same as that of Example 1. FIG.

  As the fixing member 24 ′, the side plate 22 ′ in which the length in the front-rear direction of the side plate 22 is shortened and the reinforcing plate 23 ′ in which the length in the front-rear direction of the reinforcing plate 23 is shortened with respect to the fixing member 24 of the first embodiment. By doing so, the length in the front-rear direction is shortened. For this reason, the attachment position of the attachment pipe 31 in the mulching board main body 30 ′ is located behind the fixing member 24. For this reason, when the mulching plate main body 30 ′ is fixed at this position, the front side end portion of the outer mulching plate 32 is more than the front end position P of the opposing inner mulching plate 32 in the state where the mulching device 6 and the mulching device 3 are installed. Located on the back side. On the other hand, the rear side end portion of the inner lining plate 32 is at the position Q as in the first embodiment. Further, the rear side end portion of the outer lining plate 32 is in the position R as in the outer lining plate 42 of the first embodiment. And since the distance in the front-rear direction between the rear side end portion of the outer side gathering plate 32 and the rear side end portion of the inner side gathering plate 32 is the same as that in the first embodiment, the effect of the water flow described in the first embodiment is exhibited. can do. In the third embodiment, since the bleed plate main body 30 and the bleed plate main body 30 ′ having the same bleed plate 32 are used, the length c of the bleed plate is the same, and common parts can be used.

  As the mulching device corresponding to the tractor tire 1 on the right rear side, it is arranged in a symmetrical shape with respect to FIG. 7, and the mulching device (not shown) symmetric with the mulching device 6 on the outside is disposed on the inside. 3 and 3 are arranged symmetrically with respect to the left and right.

  FIG. 8: shows the top view of Example 4 of the scratching work machine of this invention. In the fourth embodiment, differences from the first embodiment will be mainly described, and the same portions are denoted by the same reference numerals.

  The fourth embodiment is an embodiment of the scraping work machine 200 having a folding mechanism. The scraper working machine 200 includes a central working unit 210 and side working units 250 on both sides thereof. The side working part 250 is a mechanism that can be rotated around the turning part 202 by the action of the cylinder 201 and can be selected to be extended as shown in FIG. The central working unit 210 is provided with a mounting part 230 including a mast 231 and a hitch 232, and this is mounted on a connecting part at the rear part of the tractor. The power from the tractor is input from the input shaft in the input shaft cover 211 via a joint or the like, and the claw pawl in the cultivating unit located below the cultivating unit cover (center) 222 from the transmission mechanism in the mission case 212 The tilling work is done by telling the tiller shaft having the rotation to rotate.

  In the state where the side working portion 250 is extended as shown in FIG. 8, the power is also transmitted to the tilling shaft having the alternative claw in the tilling portion located below the tilling portion cover (side) 252 of the side working portion 250. . In addition, when the side working unit 250 is folded, power is not transmitted to the side working unit 250. In the central working unit 210, a plow section cover (center) 222 is provided below the mission case 212, and the rear side of the plow section cover (center) 222 is provided via a rubber cover (center) 223. One leveling body (center) 224 is attached below, and a second leveling body (center) 225 is attached below the first leveling body (center) 224. Further, a front pipe 221 (shown by hatching in FIG. 8) is provided in front of the mission case 212. On the other hand, in the side working unit 250, similarly to the central working unit 210, the tilling unit cover (side) 252, the rubber cover (side) 253, the first leveling body (side) 254, and the second leveling body (side) 255 are provided. Have.

  In the fourth embodiment, the earthing device can be installed on the front side of the scraping work machine 200 having the folding mechanism. Specifically, the earthing devices 4, 3, 3 ′, 4 ′ can be installed in order from the left on the front pipe 221 in the central working unit 210. This arrangement is the same as the installation position with respect to the tractor tire 1 described in the first embodiment. As a result, when the side working unit 250 is folded to work only with the central working unit 210, or when working with the side working unit 250 extended, the earthing function described in the first embodiment can be exhibited. . Further, the configurations of the second and third embodiments are also applicable.

  FIG. 9: shows the perspective view of the earthing device in Example 5 of the scratching working machine of this invention. FIG. 10: shows the top view of the mulcher 7 in Example 5 of the scratching work machine of this invention. In the fifth embodiment, differences from the third embodiment will be mainly described, and the same portions are denoted by the same reference numerals. The fifth embodiment is different from the third embodiment in that each of the mulching plate mounting portions using the fixing member 24 and the fixing member 24 ′ of the third embodiment is changed as a common mulching plate mounting portion 70. It is.

  In order to attach the front panel 111 to the front pipe 111, it has a fixing member 75, an attachment bolt 81, and a reinforcing member 82, and these are fixed by an attachment nut 83 so as to sandwich the front pipe 111. In FIG. 9, the front pipe 111 shows an example of a square pipe, and shows an example in which the apex is configured vertically and horizontally in the cross section. The fixing member 75 includes a side plate 71, a fixing plate 72, a front side reinforcing plate 73, and a rear side reinforcing plate 74, which are joined by welding or the like, for example.

  The side plate 71 can be formed by processing a metal member such as a plate-shaped iron material, and two side plates 71 having the same shape arranged in the vertical front-rear direction are arranged side by side and used. In the vicinity of the front side, the side plate 71 has a plurality of front side vertical adjustment holes 71a that are open in the horizontal direction and are arranged in the vertical direction. In FIG. 9, six front side vertical adjustment holes 71a are formed in the vertical direction. Further, on the rear side of the front side vertical adjustment hole 71a, there are a plurality of rear side vertical adjustment holes 71b which are vacated in the horizontal direction and arranged in the vertical direction through a certain width. In FIG. Two rear vertical adjustment holes 71b are formed. The front vertical adjustment hole 71a and the rear vertical adjustment hole 71b may have the same height. The front side vertical adjustment hole 71a and the rear side vertical adjustment hole 71b are formed at positions where the two opposing side plates 71 face each other in the same manner, and the pin portion 95b of the headed pin 95 can be passed therethrough. On the other hand, the rear side surface of the side plate 71 is processed to have a shape along the front pipe 111, and includes a recess having an upper inclined portion 71s and a lower inclined portion 71t. Further, the interval between the two side plates 71 is wider than the mounting nut 83. Further, the side plate 71 has fixing holes 71m, 71n, 71o, 71p, 71q, 71r for positioning the fixing plate 72, the front side reinforcing plate 73, and the rear side reinforcing plate 74 to strengthen the bonding. . Further, the side plate 71 has an upper extending portion 71 u extending upward on the front surface of the front pipe 111 and a lower extending portion 71 v extending downward on the front surface of the front pipe 111 when fixed.

  The fixed plate 72 is a plate that connects the two side plates 71 and can be formed by processing a metal member such as a plate-shaped iron material. At the center, there is a mounting hole 72a through which the mounting bolt 81 is passed. Further, both sides of the fixing plate 72 have fixing protrusions 72b for joining with the fixing holes 71q and 71r of the side plate 71, respectively. The fixed plate 72 is fixed in the vicinity of the rear side of the side plate 71 with the horizontal direction and the vertical direction as planes, and is arranged at two positions above the upper inclined portion 71s and below the lower inclined portion 71t.

  The front reinforcing plate 73 is a reinforcing plate that connects the two side plates 71 and can be formed by processing a metal member such as a plate-shaped iron material. As many front reinforcing plates 73 as necessary can be used, and FIG. 9 shows an example in which two front reinforcing plates 73 are used in the vertical direction. The front reinforcing plate 73 is provided between the front vertical adjustment hole 71a and the rear vertical adjustment hole 71b. The front side of the front reinforcing plate 73 is a front side portion 73a, which can be shaped along the outer shape of the mounting pipe 31, and can be arcuate if it is a round pipe. Thereby, when the attachment pipe 31 is attached to the front side vertical adjustment hole 71a, it is possible to contribute to the position alignment on the rear side of the attachment pipe 31 and the prevention of rattling. The rear side of the front reinforcing plate 73 is a rear side portion 73b, which can be shaped along the outer shape of the mounting pipe 31 similarly to the front side portion 73a. As a result, when the attachment pipe 31 is attached to the rear vertical adjustment hole 71b, it is possible to contribute to the alignment of the attachment pipe 31 on the front side and the prevention of rattling. Further, both sides of the front reinforcing plate 73 have fixing protrusions 73c for joining with the fixing holes 71m and 71n of the side plate 71, respectively.

  The rear reinforcing plate 74 is a reinforcing plate that connects the two side plates 71 and can be formed by processing a metal member such as a plate-shaped iron material. As many rear reinforcing plates 74 as necessary can be used, and FIG. 9 shows an example in which two rear reinforcing plates 74 are used in the vertical direction. The rear reinforcing plate 74 is installed behind the rear vertical adjustment hole 71b. The front side of the rear reinforcing plate 74 is a front side portion 74a, which can be shaped along the outer shape of the mounting pipe 31, and can be arcuate if it is a round pipe. As a result, when the attachment pipe 31 is attached to the rear vertical adjustment hole 71b, it is possible to contribute to the position alignment on the rear side of the attachment pipe 31 and the prevention of rattling. The rear side of the rear reinforcing plate 74 is a rear side portion 74b, and an arbitrary shape can be adopted here. However, if the front reinforcing plate 73 and the rear reinforcing plate 74 have the same shape as the rear side portion 73b of the front reinforcing plate 73, they can be used as common parts. Further, both sides of the rear reinforcing plate 74 have fixing protrusions 74c for joining with the fixing holes 71o and 71p of the side plate 71, respectively.

  The mounting bolt 81 has a bent portion and is configured to be able to follow the opposite side (rear side) of the fixing member 75 to the front pipe 111. The fixing plate 72 on the upper side of the fixing member 75 and the lower fixing portion are fixed. The plates 72 are connected and fixed. Both ends of the mounting bolt 81 have male threaded portions, which can be passed through the mounting holes 72 a of the fixing plate 72 and fixed with mounting nuts 83.

  The reinforcing member 82 is a plate-like member, and is interposed between the mounting bolt 81 and the front pipe 111, and can relieve stress concentration on the front pipe 111 to provide a wide contact surface for fixing.

  Although the fixing holes 71m, 71n, 71o, 71p, 71q, 71r and the fixing protrusions 72b, 73c, 74c described above are shown by fitting, other methods can be adopted. Moreover, it is possible to join by welding etc., without using these.

  A description will be given of how to attach the lining plate attaching portion 70 to the front pipe 111. The upper inclined portion 71s and the lower inclined portion 71t of the side plate 71 of the fixing member 75 are aligned with the side surface of the front corner portion of the front pipe 111. Then, fixing nuts 83 are fixed to the mounting holes 72 a in the upper fixing plate 72 of the fixing member 75 and the mounting holes 72 a in the lower fixing plate 72 through both ends of the mounting bolts 81. At this time, a reinforcing member 82 is interposed between the mounting nut 83 and the front pipe 111. Since the fixing position can be determined at an arbitrary position in the left-right direction of the front pipe 111, it can be moved to an appropriate location and fixed according to the tractor tire 1.

  Whether the main body 30 (30 ′) is attached to the front plate attaching portion 70 is attached to the front side vertical adjustment hole 71a of the side plate 71 (first attachment state) or the rear side vertical adjustment hole 71b (second attachment state). ) Can be selected. If it is the 1st attachment state, the attachment pipe 31 of the mulching board main body 30 (30 ') will be arrange | positioned between the front side up-down adjustment holes 71a of the two side plates 71, and the attachment hole of the attachment pipe 31 with the height to attach. The positions of 31a and the front side vertical adjustment hole 71a are aligned. The height at this time is set to a height suitable for moving the soil by the mulching plate 32. For example, the lower end portion is set to be located in the farm scene or in the vicinity of the farm scene. Then, the pin portion 95 b of the headed pin 95 is passed through the front vertical adjustment hole 71 a of one side plate 71, the attachment hole 31 a penetrating the attachment pipe 31, and the front vertical adjustment hole 71 a of the other side plate 71. Then, the R pin 96 is inserted into the hole 95 c on the tip end side of the pin portion 95 b of the headed pin 95. At this time, the headed pin 95 is prevented from being detached by being sandwiched between the head 95a of the headed pin 95 and the R pin 96. This is performed at two positions above and below the attachment hole 31a of the attachment pipe 31. In addition, the rear side of the attachment pipe 31 can be easily positioned by the front side portion 73a of the front reinforcing plate 73 being in contact with the attachment pipe 31, and the attachment strength can be increased. Similarly, the attachment pipe 31 is attached to the rear upper / lower adjustment hole 71b in the second attachment state. In the attachment state, the attachment pipe 31 has a rear side portion 73b on the front side and a rear side portion 73b on the front side. The front side portion 74a of the rear side reinforcing plate 74 makes contact and facilitates positioning, and the attachment strength can be increased. In FIG. 9, the distance between adjacent holes of the front vertical adjustment hole 71 a and the rear vertical adjustment hole 71 b is half the distance between adjacent holes of the attachment hole 31 a of the attachment pipe 31. This is the same as the adjustment hole 22a of FIG.

  The mounting height of the main body 30 (30 ′) relative to the front panel mounting portion 70 changes the vertical position of the mounting hole 31a of the mounting pipe 31 relative to the front vertical adjustment hole 71a or the rear vertical adjustment hole 71b of the side plate 71. You can change the height. In addition, by using the headed pin 95, it is easy to attach, remove, and adjust the height of the mulching plate main body 30 with respect to the mulching plate mounting portion 70.

  In this way, when the mulching plate main body 30 (30 ') is attached to the mulching plate mounting portion 70, the mulching plate is selected by selecting the front front vertical adjustment hole 71a or the rear rear vertical adjustment hole 71b. The position of the main body 30 (30 ′) in the front-rear direction can be changed. On the left side of FIG. 9, the earthing board main body 30 is attached to the front vertical adjustment hole 71a and is in the first attachment state. In this earthmoving device 8, the mounting positions of the earthmoving device 3 on the right side of FIG. Further, on the right side of FIG. 9, the earthing board main body 30 ′ is attached to the rear vertical adjustment hole 71 b and is in the second attachment state. In this earth evacuation device 7, the attachment positions of the earth tidy device 6 on the left side of FIG. In this way, the lining plate mounting portion 70 can be used in common. Note that the mulching plate attaching portion 70 can be similarly applied to the front pipe 221 of the fourth embodiment.

  As described above, the embodiment of the present invention has been described. However, for each of the mulch plates according to the above-described embodiment, the inner and outer mulch plates corresponding to the tractor tires 1 are changed symmetrically, and the rear of the inner mulch plate. Even if the position of the side end portion is installed on the rear side in the front-rear direction with respect to the position of the outer rear end portion, a certain effect can be exhibited. In addition, a part of the configuration of each embodiment described above may be replaced with a part of the configuration of another embodiment, or may be used in combination with another configuration as necessary.

1 Tractor tires 3, 3 ′, 4, 4 ′, 5, 6, 7, 8 Digging devices 20, 70 Dimming plate mounting portions 21, 72 Fixing plates 22, 22 ′, 71 Side plates 22a Adjustment holes 24, 24 ′, 75 Fixing member 25 Fixing plate 30, 30 ', 40, 40', 50 Digging plate main body 31 Mounting pipe 32, 42, 52 Dimming plate 93 Mounting pin 100, 200 Draft work machine 111, 221 Front pipe 210 Central working part

Claims (7)

In a scraping work machine that attaches to a tractor and performs scraping work,
A mulch plate fixed at a fixed angle with respect to the traveling direction at a position corresponding to a portion on the inner side in the lateral direction and a portion on the outer side in the lateral direction so that mud can be guided to the groove of the running trace of the tractor Have
A scraping work machine, wherein a rear end portion of one of the lining plates is formed to be positioned rearward in a front-rear direction with respect to a rear end portion of the other lining plate. The scraping work machine according to claim 1,
The scraping work machine according to claim 1, wherein the front end portion of the one lining plate and the front end portion of the other lining plate are the same in the front-rear direction. The scraping work machine according to claim 1,
The scraping work machine according to claim 1, wherein a position in a front-rear direction of a front end portion of the one mulch plate is located in front of a position in a front-rear direction of a front end portion of the other mulch plate. The scraping work machine according to claim 1,
The scraping work machine according to claim 1, wherein a position in the front-rear direction of the front end portion of the one lining plate is located behind a position in the front-rear direction of the front end portion of the other lining plate. The scraping work machine according to claim 1,
The one mulch plate is installed at a position corresponding to an outer side portion of the groove, and the other mulch plate is installed at a position corresponding to an inner portion of the groove. A scraping work machine. In the scuffing work machine according to any one of claims 1 to 5,
The scraper working machine according to claim 1, wherein the fixing of the shredder board is performed by attaching a shredder board body having the shredder board to a shredder board mounting section fixed to the main body of the scraper working machine. The scraping work machine according to claim 6,
The scraper working machine according to claim 1, wherein the shunting plate mounting portion is capable of mounting the shunting plate main body at two positions in the front-rear direction.

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