KR101756236B1

KR101756236B1 - Equipment of mud guards for rotary

Info

Publication number: KR101756236B1
Application number: KR1020150130199A
Authority: KR
Inventors: 조금열; 이윤석
Original assignee: 국제스틸(주)
Priority date: 2015-09-15
Filing date: 2015-09-15
Publication date: 2017-07-10
Also published as: KR20170032631A

Abstract

A rotary bushing apparatus is disclosed.
The present invention relates to a rotary connector comprising two fastening portions that can be attached to lower connecting brackets on both front sides of a rotary body; A bushing body in the form of a plate extending in the width direction of the rotary body at the lower end of the fastening portion; A scattering prevention part provided on the front surface of the bushing body so as to be freely stretched according to the shape of the front surface of the bushing body; The lower connecting bracket of the conventional rotary main body can be easily mounted by fitting the fastening portion into the lower connecting bracket without changing or machining it, and it is possible to easily mount the lower connecting bracket in the lower connecting bracket without any change according to the surface shape (flat or curved shape due to the ridge and valleys) It is possible to prevent the soil from being scattered to the front of the rotary main body during the tillage work using the rotary.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rotary bushing device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rotary bushing apparatus, and more particularly, to a rotary bushing apparatus capable of preventing the rear portion of a tractor from being contaminated by a tiller- To a rotary bushing apparatus.

Generally, a rotary is a so-called rotavator, which is connected to the upper / lower links behind the tractor. The rotary is connected to a power take off shaft protruded to the rear of the tractor through a universal joint shaft to the input shaft of the rotary to receive power and the tiller shaft of the rotary is connected through a universal joint shaft .

The rotary is provided with a tiller shaft rotatably disposed at a lower portion of the rotary body in the width direction so as to be linked with the tiller shaft of the tractor, and a plurality of tiller-blades are uniformly arranged on the tiller shaft, Upper and lower connection brackets for connection with the lower and upper links of the tractor are provided and the rearward rotation of the rotary body prevents the soil discharged by the tiller blade of the tiller shaft from scattering rearward when the tiller work is performed And a rear cover for flatly setting the rear cover.

In the tilling operation using the rotary configured as described above, the tiller shaft of the lower part is rotated while the rotary is pulled by the tractor, and as the tiller shaft is rotated, the tiller- Of course crushed and discharged to the rear. At this time, the rear cover at the rear end of the rotary body performs an operation to smoothly stop the soil scattered rearward by the tiller-blade.

When the tillage is carried out as described above, most of the front part of the rotary body is opened so that the soil is scattered to the front of the rotary so that the rear part of the tractor is contaminated and the soil is scattered even to the operator .

A rotary for preventing the soil from scattering toward the rear of the tractor in front of the rotary is disclosed in Korean Utility Model Registration No. 20-0147812 and Publication No. 10-2012-0108746.

The former registered utility model is a system in which a bushing cover made of a metal plate is connected to both side plates of a rotary body by a bolt and the bushing cover and the lower connection bracket are connected to each other by a lifting induction pipe, It is possible to prevent the soil from being scattered toward the rear of the tractor in front of the rotary, and to adjust the height of the bottom of the mudstick cover by rotating the mudstick cover in consideration of the efficiency of the tilling operation.

The latter patent discloses that a bushing cover is provided on the front of a rotary body to prevent the soil from being scattered toward the rear of the tractor in front of the rotary when performing a tilling operation using a rotary It was, of course, to pause the soil in a high area to a low point and stop horizontally.

However, in the above-described rotary, an electronic registration utility model can adjust the angle of the mudguard cover according to the ridge and the ridge of the previous mound, but the lower end of the mudguard cover is fixed by matching the upper end of the mudguard cover, The lower end of the mudguard cover and the furrow portion were inevitably open, and there was a closure that allowed the soil to be scattered forward through the opening to the front of the rotary.

In the latter patent, when the rotary is moved along with the tractor, when the tilling operation is carried out, especially in the case of turning over by the plow, the soil of the untreated portion is uneven, so that the soil is piled up in front of the bushing cover, The phenomenon is likely to occur, and consequently, the load on the tiller of the rotary may be increased, resulting in an overturning of the rotary overload.

KR 20-0147812 Y1 (Registered on March 11, 1999) KR 10-2012-0108746 A (Released May 10, 2012)

The present invention has been developed to solve the above-mentioned conventional problems and problems, and it has been researched and developed to solve the above-mentioned problems in the prior art, and it is possible to provide a mushroom body with a straight brush or a flexible plate cut at a predetermined interval, The present invention also provides a rotary bushing device that can prevent the soil from being scattered to the front of the rotary body during a tilling operation using the rotary.

It is another object of the present invention to provide a method of manufacturing a rotary connector, comprising the steps of providing an upright member to be fitted to each lower connection bracket and one or two screws at the upper end of the upright member, So that it is possible to easily mount the rotary bush.

It is a further object of the present invention to provide an assembly structure in which the length of the bushing body can be varied by dividing the bushing body into a plurality of bodys, thereby enabling the bodyshell body to be easily adjusted to a suitable length according to the type of rotary production machine and rotary machine, So that it can be used as a rotary bushing.

It is still another object of the present invention to provide a bushing body in a shape of an arc-shaped plate formed in an arc shape in consideration of the turning radius of a rotary tiller-blade, so that the soil scattered strongly in the upper portion by the tiller- And to provide a rotary bushing device.

In order to achieve the above object, a rotary bushing apparatus includes two fastening portions that can be attached to lower connecting brackets on both front sides of a rotary body; A bushing body in the form of a plate extending in the width direction of the rotary body at the lower end of the fastening portion; A scattering prevention part provided on the front surface of the bushing body so as to be freely stretched according to the shape of the front surface of the bushing body; And a control unit.

Wherein the fastening portion is fixed to the bobbin body by welding and is formed so as not to be caught when the lower link is lifted and pivoted, and an upright member extending upward from the fastening plate and having a width And one or two screws fastened to the upper part of the upright member and fixed to the lower connection bracket together with the upright member.

The scattering prevention portion is characterized by being provided with a band-shaped long fixing member and a bundled brush in which a large amount of thin resin wires are arranged on the fixing member in the direction orthogonal to the longitudinal direction, over the entire length of the fixing member.

In addition, the shatterproof portion may be formed of a flexible sheet material such as rubber. In this case, the lower portion of the sheet material may be cut off to several tens of times from the middle portion to the bottom portion thereof so that the lower portion of the sheet material acts as a brush. desirable.

The bodyshell body is formed of a single body plate member. The body plate member has an upright extending portion bent or extended to the upper or lower portion. A rear end of the body plate member is formed with an inclined extension portion bent and extended backward to contact with the front end of the rotary body. .

The gripping member is mounted on the upright extending portion by a fastening member such as a bolt or the like and the gripping member is a diagonal type having a groove for receiving the fixing member so as to fix the fixing member of the scattering prevention portion and to easily exchange the scattering prevention portion, And is provided in an inequality shape.

A plurality of slit-forming portions may be provided on the bushing body in a manner inclined downward by slit forming in consideration of foreign matter and muddy water as well as strength reinforcement. A waggon plate may be provided on both ends of the body plate.

The body plate of the bushing body may be formed of a single flat plate and may be formed in a shape of an arc-shaped plate formed in an arc shape in consideration of the turning radius of the rotary tiller-blade.

In addition, the bodyshell body may be provided with three or more body plate members, the body plate member includes first body plate members having rectangular holes formed on both sides thereof, first and second body plate members extending in a line on both sides of the first body plate member, Two first body plate members fastened and fixed by a fastening member penetrating through the rectangular holes, and a second body plate member connected to one side of the second body plate members through a fastening member in a line. .

The first body plate of the bushing body may be provided with a laminated reinforcing plate on the upper surface thereof to reinforce the strength reduction due to the formation of the rectangular holes.

The rotary bushing device according to the present invention is provided with a straight brush or a flexible plate made of rubber or the like cut out at a predetermined interval on the front surface of the bushing body according to the front surface shape (flat shape or curved shape due to the ridge and valleys) So that it has a useful effect of preventing the soil from being scattered to the front of the rotary body when the tiller working using the rotary is fundamentally prevented.

In addition, the present invention provides an orthogonal upright member to be fitted to each lower connection bracket and one or two screws at the upper end of the orthogonal upright member so that the lower connection bracket of the existing rotary body is fastened to the lower connection bracket without changing or machining So that it can be easily mounted by inserting the part.

Further, according to the present invention, it is possible to easily adjust the length of the bushing body according to the type of the rotary manufacturer and the rotary, so that the bushing body can be easily adjusted to a suitable length regardless of the type of rotary producer and rotary Lt; / RTI >

Further, the present invention provides a useful effect of reliably blocking the soil scattered strongly toward the upper portion by the tiller-blade by providing the bushing body in the shape of an arc-shaped plate formed in an arc shape in consideration of the turning radius of the rotary tiller- I have.

1 is a perspective view showing a rotary bushing apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a longitudinal sectional view of Fig. 1; Fig.
FIG. 3 is an exploded perspective view showing a part taken from FIG. 1; FIG.
FIG. 4 is a view showing a state where the fastening part is mounted on the lower connecting bracket of the rotary in the bushing for rotary use of FIG. 1;
5 is a view showing a state in which the rotary bushing apparatus of the present invention is mounted on a rotary.
6 is a perspective view showing another embodiment of the scattering prevention portion in the rotary bushing apparatus of the present invention.
7 is a view showing a rotary bushing apparatus according to another embodiment of the present invention.
8 is a perspective view of a rotary bushing apparatus according to another embodiment of the present invention.
FIG. 9 is a perspective view exploded and extracted from FIG. 8; FIG.
Fig. 10 is a longitudinal sectional view of Fig. 8; Fig.

Brief Description of the Drawings The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. To fully disclose the scope of the invention to a person skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

1 to 5 are views for explaining a rotary bushing apparatus according to a preferred embodiment of the present invention.

The rotary bushing apparatus of the present invention is mounted on the front end of the rotary (R) as shown in FIG. 5, and more specifically, on the lower connection brackets 12 on both front sides of the rotary body 11. The rotary (R) is a conventional agricultural rotary. The rotary (R) is an agricultural rotary, and is provided with a tilling shaft (14) rotatably installed in the lower part of the rotary body (11) so as to be connected to the tractor. And the upper and lower connecting brackets 13 and 12 for connecting with the lower and upper links of the front tractor of the rotary main body 11 are provided in the rotary body 11, A rear cover 16 for preventing the soil discharged by the tiller-blade 15 of the tiller shaft 14 from scattering rearward when the tiller shaft 14 is plowed, .

As shown in Figs. 1 to 5, the rotary bushing device F of the present invention includes two fastening portions 20 for mounting to the lower connecting brackets 12 on both front sides of the rotary main body 11, A bushing body 30 in the form of a plate having a length corresponding to the width of the rotary body 11 at the lower end of the fastening part 20 and a bushing body 30 which is freely movable in the front surface of the bushing body 30, And a scattering prevention portion 40 provided so as to be stretched.

The fastening portion 20 is provided with a diaphragm-shaped fastening plate 21 having cutout-grooves 22 and has a width that fits into each of the lower connecting brackets 12 on the fastening plate 21 And two screws 24 for fastening to the lower connection bracket 12 together with the upright member 23 are fastened to the upper part of the upright member 23.

The fixed plate 21 of the coupling part 20 is welded and fixed to the bushing body 30 and the cut-out groove 22 of the fixed plate 21 is connected to the upper and lower links (not shown) The lower link should not be caught even if it is pivoted.

The upright member 23 extends from the fixed plate 21 to the upper portion thereof and has a width that fits in each lower connection bracket 12 and a lower upright member 23a extends to the upper end of the lower upright member 23a, An orthogonal upright member 23b is provided in a cross shape with the upright member 23a and the screw 24 is inserted into the upright upright member 23b. The reason for providing the upright member 23 in this manner is that one side of the lower standing member 23a is brought into contact with the inner surface of one of the lower connecting brackets 12 of the rotary main body 11, The screw 24 is protruded in the direction orthogonal to the inner surface of the lower connection bracket 12 only when the upright member 23b is disposed so that the lower portion of the lower connection bracket 12 is fixed to the lower connection bracket 12 by using the lower standing member 23a and the screw 24. [ As shown in FIG.

The bodyshell body 30 is formed as a flat body plate 31. The body plate 31 has a front end formed with an upwardly extending upright extending portion 32 and a rear end of the body plate 31, And an inclined extension portion 33 which is bent and extended to the rear upper portion so as to come into contact with the front end of the rotary body 11 is formed. The fixing plate 21 of the fastening part 20 is fixed to both sides of the body plate 31 and the body plate 31 to which the fixing plate 21 is fixed is provided with a rear end The second cut-out groove 34 is formed in a shape corresponding to the cut-out groove 22 of the fixed plate 21 toward the second cut-

A gripping member 35 is attached to the upright extension portion 32 by a fastening member 44 such as a bolt or the like and the gripping member 35 is fixed to the fixing member 41 of the scattering- And is provided with an inequality shape having a groove for receiving the fixing member 41 so that the scattering prevention portion 40 can be easily exchanged. Although the grasping member 35 is shown and described as an inequality shape, it may be provided in a diagonal shape.

A plurality of slit forming sections 36 are formed on the battens body 30 to be sloped downwardly by slit forming in consideration of foreign matter and muddy water drainage as well as strength reinforcement. On both ends of the body plate 31, A crowning plate 37 is provided.

The scattering prevention portion 40 is provided with a belt-like long fixing member 41. The fixing member 41 is provided with a brush 42 in a direction orthogonal to the longitudinal direction of the fixing member 41. The brush 42 is fixed And a large amount of thin resin wires are arranged and bundled over the entire length of the member 41. [ Since the second cutout-groove 34 is cut in the middle of both sides of the body plate 31 in order to connect the lower link of the tractor to the tractor, It is preferable to divide into three.

6, the scattering prevention part 40 may be formed of a flexible sheet material 42a such as rubber instead of the brush 42. In this case, the lower part of the sheet material 42a may serve as a brush It is preferable that the cut pieces 42b are cut off in several tens to several hundreds from the middle to the bottom.

5, the rotary bushing apparatus according to the present invention is mounted on the front surface of the rotary main body 11 of the rotary R, and the rotary bushing apparatus F of the present invention is mounted on the rotary R The process is briefly explained.

The upright members 23 of the fastening portions 20 are inserted between the respective lower connecting brackets 12 provided on both sides of the front surface of the rotary main body 11 and the fastening members 24 on the upright members 23 are rotated The upright member 23 is pushed by the fastening member 24 as the fastening member 24 is projected by the protrusion so that the fastening member 24 is securely mounted between the lower connection brackets 12. [

The brush 42 of the scattering prevention part 40 may be installed in a state in which the inclined extension 33 of the bushing body 30 contacts the front end of the rotary body 11 or covers the front end thereof, 11 from the front to the bottom.

The rotary R to which the rotary bushing apparatus F of the present invention is mounted is connected to the upper and lower links of the tractor as described above and then the tractor is driven to pull the rotary R At the same time, the tiller shaft 14 of the rotary main body 11 is also driven to rotate, and the lower link of the tractor is operated downward to lower the depth of the ground by a depth to be tilled.

In this state, the tiller shaft 14 of the tiller shaft 14 is rotated by the tractor while the rotary (R) is being pulled, and the tiller-blade 15 of the tiller shaft 14 digs up and replaces Mostly discharged to the rear. At this time, the rear cover 16 at the rear end of the rotary main body 11 performs an operation of stopping the soil smoothly while preventing the soil scattered rearward by the tiller-blade 15.

At the same time, the plow-blade 15 of the tiller shaft 14 is mostly discharged to the rear of the rotary body 11, but some of the plow-blade 15 is also discharged to the front of the rotary body 11. Even if the soil is discharged to the front of the rotary body 11, the body plate 31 of the battens body 30 and the scattering prevention part (not shown) of the bushing body 30 constituting the bushing device F of the present invention mounted on the front end of the rotary body 11 40 is blocked and prevented from scattering toward the rear of the tractor.

Since the straight brush 42 provided at the tip of the bushing body 30 is a thin resin wire and is bound and straightened freely in a straight line, it is bent according to the front surface shape (flat or curved shape by the ridge and valleys) The end of the brush 42 comes into contact with the surface of the front end so that the brush 42 and the front surface are blocked without lifting. As described above, since the front end of the rotary body 11 is reliably blocked by the brush 42, it is possible to prevent scattering of the soil to the front of the rotary main body 11 at the time of tilling work using the rotary.

The muddy water may be scattered from the rear wheel of the tractor and may fall on the body plate 31 of the battens body 30 so that the body plate 31 of the battens body 30 is covered with muddy water The slits are discharged to the lower portion through the slit forming portions 36 of the body plate 31.

When the plowing operation is completed using the rotary, the lower link of the tractor can be moved up and moved up so that the plowing-blade 15 of the rotary main body 11 does not touch the ground.

The rotary bushing device F according to the present invention is provided with a second cut-out groove 34 on a body plate 31 on which a cut-groove 22 is formed in a fixed plate 21 and a fixed plate 21 is attached and fixed, So that even if the rotary is lifted or lowered during the tilling operation or the movement of the rotary, the movement of the lower link is accommodated, thereby preventing the movement of the lower link.

In addition, the rotary bushing apparatus F of the present invention can detach the rotary from the upper / lower links of the tractor while being mounted on the rotary R, thereby easily replacing the tractor with other working machines Can be performed.

The body plate 31 of the bushing body 30 may be formed of a flat plate as described above and may be formed of a plate material having a radius of rotation for the tiller blade 15 of the rotary R, Shaped body plate 310 having a convex arcuate shape. When the body plate 31 is provided as the arc-shaped body plate 310, the tiller-blade 15 can reliably block the soil scattered strongly toward the upper part of the front.

8 to 10, the bodyshell body 30 is divided into five body plates 31a, 31b having an upright extension 32 and an inclined extension 33 as in the embodiment The body plate members 31a, 31b and 31c are connected to the first body plate member 31a at the center and the first body plate member 31a through a fastening member 45 And a third body plate 31c connected to one of the second body plate 31b and the second body plate 31b through a fastening member 46 in a row.

The first body plate 31a is formed with a rectangular hole 38 for moving the second body plate 31b in both the left and right directions, that is, the longitudinal direction thereof, to change the overall length of the battens body 30, 1 and the second body plate members 31a and 31b are connected and fixed through a fastening member 45 which is inserted into the rectangular hole 38. [ The first body plate 31a may be provided with a laminated reinforcing plate 39 on the upper surface thereof to reinforce the strength reduction due to the formation of the rectangular holes 38.

The second body plate 31b is provided with a fastening portion 20 and the fastening portion 20 is formed in a range allowed by the rectangular hole 38 for mounting on the lower connecting bracket 12 of the rotary body 11, The first body plate 31a and the first body plate 31a.

According to the rotary bushing apparatus according to another embodiment of the present invention configured as described above, when the position of the lower connection bracket 12 of the rotary body 11 is narrow and wide according to the type of the rotary producer and the rotary, The fastening members 45 on both sides of the first body plate 31a are loosely pulled out and then the second body plate 31b is pulled out or pushed in on both sides so as to fit the lower connection bracket 12 of the first body plate 31a, , Which makes it possible to use the rotary type rotary machine regardless of the type of rotary maker or rotary machine.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

20: fastening portion 21: fixed plate member 22: cut-out groove
23: upstanding member 24: screw 30: bushing body
31: body plate member 31a: first body plate member 31b: second body plate member
31c: a third body plate 32: an upright extension part 33: an inclined extension part
34: second cut-groove 35: gripping member 36: slit forming part
37: wing plate member 38: rectangular hole 39: laminated reinforcing plate member
40: scattering prevention member 41: fixing member 42: brush
42a: plate member 42b: cut piece 310: arc-shaped body plate member

Claims

Two fastening portions that can be attached to the lower connecting brackets on both front sides of the rotary body;
A plate-shaped bushing body provided at a lower end of the fastening portion so as to be long in a width direction of the rotary body; And
And a scattering prevention part provided on the front surface of the bushing body so as to be freely slidable according to the shape of the surface of the front part,
The bodyshell body is provided with three or more body plate members,
Wherein the body plate member includes: a first body plate having rectangular holes formed on both sides thereof;
A second body plate connected to both sides of the first body plate through a fastening member in a row; And
And a third body plate member connected to one side of the second body plate member through a fastening member in a row,
Wherein the body plate member is formed with a slit forming portion formed to be inclined downward from the body plate member to guide foreign substances and muddy water and to reinforce the strength of the body plate member,
Wherein the body plate is formed with a wing plate at both ends thereof,
The first body plate
A rectangular hole for changing the overall length of the bodyshell body is formed by moving the second body plate in both left and right directions,
Wherein the first and second body plate members are connected and fixed through a fastening member inserted into the rectangular hole,
Wherein the first body plate member is provided with a laminated reinforcing plate material on the upper surface thereof to reinforce the strength reduction due to the formation of the rectangular holes.

The method according to claim 1,
Wherein the fastening portion is fixed to the bobbin body by welding and is formed so as not to be caught when the lower link is lifted and pivoted, and an upright member extending upward from the fastening plate and having a width And one or two screws fastened to the upper part of the upright member and fixed to the lower connecting bracket together with the upright member.

The method according to claim 1,
Characterized in that the scattering prevention portion is provided by a bundle of brushes in which a large amount of slender resin wires are arranged over the entire length of the fixing member in a direction orthogonal to the longitudinal direction of the fixing member, A bushing device.

The method according to claim 1,
Wherein the shatterproofing portion is formed of a flexible sheet material and is cut out to several tens of portions ranging from the middle to the bottom of the sheet material so that the lower portion of the sheet material acts as a brush.

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