KR101371329B1 - Structure of Safty for Tractor - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tractor safety structure for preventing and preventing a safety accident caused during driving or during operation of a tractor. More particularly, the present invention relates to a tractor safety structure, Which can be generated when the refracting arm is turning or working in a tractor which is capable of turning the arm about 270 degrees around the pivot shaft to improve working area and work efficiency of the working machine mounted on the end of the refracting arm A vertical safety frame is vertically installed on one side of the cabin in order to prevent a safety accident and a fixing means for fixing the refracting arm so that the refracting arm does not move when the tractor is running or when the refracting arm does not work, And a bumper having a slanting bar formed in front of the tractor The value relates to tractor safety structure that minimizes the impact of the external deformation.

Description

{Structure of Safty for Tractor}

The present invention relates to a tractor safety structure for preventing and preventing safety accidents occurring while the tractor is driving or working, and more particularly, by installing a pivot shaft at the rear side of the cab and installing a deflection arm on the pivot shaft. This can occur when the articulating arm pivots or works in a tractor that allows the arm to pivot about 270 degrees around the pivot, thereby improving the working area and work efficiency of a work machine mounted at the end of the articulating arm. In order to prevent a safety accident, a long safety frame is installed vertically on one side of the cab, and a fixing means for fixing the articulated arm so that the tractor does not move when the tractor is driving or when the articulated arm does not work is mounted on the upper part of the safety frame. And a bumper having an oblique bar formed in front of the tractor. The value relates to tractor safety structure that minimizes the impact of the external deformation.

Generally, a tractor is a work vehicle that uses a pulling force to perform various work in agriculture or construction. Current agricultural tractor is equipped with a front loader at the front and attaches various work attachments to the loader to carry out various operations such as transportation, And a work such as plowing is carried out by attaching a rotor batter or the like to the rear part through a rear link.

Conventional tractors have an area where they can work when the loader is installed in front of the tractor or when the backhoe is installed behind the tractor is limited to the front or rear of the tractor so that if the operator wants to work from the side of the driving cap, So that there is a problem that the operation is cumbersome and the operation time is long.

In the conventional tractor, the front wheel is structured such that the driver rotates the steering wheel clockwise and counterclockwise, thereby turning to the left and right by the steering device. In the manner in which the front wheel axle is directly coupled to the front wheel, The turning angle of the front wheel does not turn more than 60 degrees when the steering wheel is rotated to the maximum extent so that the minimum turning radius of the tractor becomes large even if the steering wheel is rotated to the maximum, There is a problem that it is necessary to frequently perform the operation.

In order to solve the above problems, the present inventor has filed a patent application 10-2010-0098566 and 10-2010-0098567.

The patent application No. 10-2010-0098566 discloses that a tractor is provided with a pivot shaft at the rear side of the cab and the pivot shaft is provided at the pivot shaft so that the pivot shaft can be rotated about 270 degrees around the pivot shaft, The working area and working efficiency of the working machine mounted on the end of the arm are improved. The patent application No. 10-2010-0098567 discloses that the front wheel is steered to the maximum in the clockwise or counterclockwise direction so that the front wheel rotates in the vertical direction So that the front wheel axle is upwardly disposed at the wheel top height of the front wheel so that the front wheel axle is not interfered with the front wheel axle, the tractor can be rotated in place by the operation of the steering wheel .

Although the patent applications have improved the working efficiency as compared with the conventional tractor, the safety structure has not been developed and a supplement has been demanded.

The present invention is to solve the problems of the prior art as described above, by installing the pivot axis behind the cab side and the articulated arm on the pivot axis, the articulated arm can pivot about 270 degrees around the pivot axis. In order to prevent a safety accident that may occur when the articulated arm swings or works in a tractor that improves the work area and work efficiency of the work machine mounted at the end of the articulated arm. It is an object of the present invention to provide a tractor safety structure having a safety frame and a fixing means for fixing the articulated arm so that the articulated arm does not move when the tractor is running or when the articulated arm is not in operation.

In addition, the present invention is to install a pivot axis behind the cab side and the articulation arm on the pivot axis to enable the articulated arm to pivot about 270 degrees around the pivot axis of the work machine mounted to the end of the articulated arm It is an object of the present invention to provide a tractor safety structure that minimizes deformation during external impact while avoiding interference of front wheels by installing a bumper having a diagonal bar formed in front of the tractor in a tractor having improved work area and work efficiency.

The tractor safety structure according to the present invention for achieving the above object is a pivot shaft is installed on the rear side of the cab and the articulated arm is installed on the pivot shaft so that the articulated arm is pivoted about the pivot axis, the end of the articulated arm In the safety structure for a tractor capable of working by a work machine mounted on the, in the cab is provided with a safety frame is formed vertically long on the corner surface adjacent to the articulated arm, the articulated arm on top of the safety frame Characterized in that provided with a fixing means for fixing the settlement.

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In addition, the present invention is characterized in that the fixing means has a structure capable of fixing the protrusion projecting on one side of the refractive arm.

In addition, the present invention is a bumper installed in front of the tractor, the upper end portion is fixedly coupled to the transverse pipe installed in front of the vehicle body and the lower end of the plurality of diagonal bars fixedly coupled to the front lower projection of the vehicle body; Horizontal bars connected horizontally to the middle portion of the diagonal bar; is installed is characterized in that the trapezoidal shape.

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In addition, the present invention is characterized in that the back miller is installed on the left side of the cab and the back miller guard is installed so that the back miller is not damaged even when the articulated arm collides with the articulated arm during turning or operation.

The tractor safety structure according to the present invention has a pivot shaft installed at the rear side of the cab and an articulated arm installed on the pivot shaft so that the articulated arm can pivot about 270 degrees about the pivot shaft and mounted at the end of the articulated arm. By installing a long safety frame vertically on one side of the cab in the tractor which improves the working area and work efficiency of the old work machine, if the articulated arm is excessively turned, the safety frame is not caught by the safety frame so that the cab is not impacted or damaged. The upper part of the safety frame is provided with a fixing means for fixing the articulated arm so that the tractor does not move when the tractor is running or when the articulated arm is not working, thereby preventing a safety accident that may be caused by the articulated arm shaking or falling out. It can be effective.

In addition, the present invention by installing an inverted trapezoidal bumper with a diagonal bar formed in the front of the tractor, even if the front wheel is turned in the vertical direction of the front of the tractor while avoiding the interference of the front wheel can minimize deformation during external impact. It has an effect.

1 is a perspective view of a tractor for explaining a safety structure of a tractor according to the present invention.
2 is a detailed view of a securing means for securing a refracting arm in a tractor safety structure according to the present invention
Figure 3 is a front view of the bumper detail in the tractor safety structure according to the present invention
FIG. 4 is a view showing the detail of the back-mill guard in the tractor safety structure according to the present invention

Hereinafter, a safety structure of a tractor according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, a tractor to which the present invention is applied includes a cab 10 having a driver's seat located on the upper left side of the vehicle body 30 and a pivot shaft 41 And a refracting arm 40 capable of pivoting about 270 degrees around the pivot shaft 41 is disposed in a space in which the cab 10 is not installed.

That is, the cabin 10 is disposed on the left side between the front wheel 21 and the rear wheel 22 of the tractor and has a certain space formed on the side of the cabin 10, When the refraction arm 40 is not working, the refraction arm 40 is fixed to the side of the cab 10 so that the tractor does not shake when the tractor is moved.

The present invention is not limited to the structure of the tractor shown in Fig. A working machine (not shown) such as a bucket is mounted on the end of the refracting arm 40 so that the work can be performed.

The tractor to which the present invention is applied is constructed such that a train shaft 50 for driving the front wheel 21 provided at the front of the tractor is positioned above the front wheel 21 so as not to be interfered when the front wheel 21 is maximally steered .

1 and 2, the safety structure of the tractor according to the present invention includes a pivot shaft 41 disposed at a rear side of a cabin 10 and a refraction arm 40 installed at the pivot shaft 41, A tractor in which a refraction arm (40) is pivoted about the pivot shaft (41) and can be operated by a working machine mounted on an end of the refraction arm (40) The safety frame 12 is formed so as to extend perpendicularly to the corner surface adjacent to the safety frame 12 when the refraction arm 40 is rotated excessively toward the cabin due to immaturity or inertia of the driving operation. So that the cabin 10 or the cabin window 11 is not damaged.

In addition, the safety frame 12 is provided with fixing means for fixing the refraction arm 40 when the refraction arm 40 is not operated.

A protruding portion 42 protruding from the refracting arm 40 is formed on one side of the refracting arm 40 adjacent to the cab 10 so as to be fixed to the fixing means 13, 13 have a shape having a predetermined size so that the protruding portion 42 can be fixed in place. With such a structure, when the tractor is running or when the refraction arm 40 is not operated, the refraction arm 40 is firmly fixed and the refraction arm 40 may be shaken or deviated to the outside Safety accidents can be prevented.

Further, the present invention provides a bumper (60) at the front of the tractor for protecting against the impact against the front of the tractor.

The tractor to which the present invention is applied is arranged such that the front portion of the vehicle body 30 is disposed above the train axis 50 so as not to interfere with the wheel of the front wheel 21 and is horizontally disposed on the end of the vehicle body 30 in the direction of the train axis 50 And a front lower projecting portion 32 of the vehicle body 30 is formed at a lower portion of the transverse pipe 31. The transverse pipe 31 is a part directly coupled with the shock absorber cylinder (not shown) to receive the load of the electric train shaft 50 directly.

1 and 3, the bumper 60 is fixedly coupled to a horizontally elongated transverse pipe 31 whose upper end is provided in front of the vehicle body 30, and whose lower end is connected to the front lower portion of the vehicle body 30 A plurality of slanting bars 61 and 62 fixedly coupled to the protrusions 32 and a horizontal bar 63 connected horizontally at intermediate portions of the slanting bars 61 and 62 are formed in an inverted trapezoidal shape. The oblique bar 61 is inclined at an oblique line on the outer periphery of the bumper 60 and the oblique bar 62 is formed to be perpendicular to a diagonal bar formed inside the bumper 60.

The bumper 60 having the slanting bars 61 and 62 is connected to the transverse pipe 31 directly connected to the front lower projecting portion 32 of the vehicle body 30 to receive the load of the train shaft 50, So that the deformation is minimized.

In addition, the inverted trapezoidal bumper 60 as described above is formed to be inclined toward the lower side to avoid interference of the front wheel 21 and to avoid the bumping of the front axle 50 and the steering cylinder.

The present invention can also be used to pull a work machine at a lower end of the bumper 60, that is, a portion coupled with the front lower protrusion 32 of the vehicle body 30, or to pull an external vehicle to tow the tractor when the tractor breaks down. A hitch portion 64 is provided.

4, a back mirror 70 is installed on the front left side of the cab 10 so as to identify the rear. When the refraction arm 40 is rotated or operated, the refraction arm 40 (70) may be further provided so as to surround the outside of the white miller (70) so that the white miller (70) may not be easily damaged even if it collides with a working machine such as a bucket mounted on an end of the mirror The back mirror guard 71 is preferably made of iron so as to be resistant to impact.

The right side of the cab 10 is inclined so as to secure a rear view through the cabin 70 without the driver in the cab 10.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that it is possible.

10: cab 11: window
12: safety frame 13: fixing means
21: front wheel 22: rear wheel
30: body 31: transverse pipe
32: lower protrusion 40: refraction arm
41: pivot shaft 42: projection
50: Tank shaft 60: Bumper
61, 62: oblique bar 63: horizontal bar
64: Hitchibu 70: White Mills
71: Mile guard

Claims (6)

Safety structure for the tractor which can be operated by a work machine mounted on the end of the articulated arm by pivoting the pivotal shaft and installing the articulated arm on the pivotal shaft so that the articulated arm pivots about the pivotal axis. To
In the cab is provided a safety frame formed long vertically on the corner surface adjacent to the articulated arm,
Provided with fixing means for fixing the articulated arm on top of the safety frame
The tractor safety structure.
delete The method of claim 1,
The fixing means has a structure that can be fixed to the protrusion projecting on one side of the refractive arm
The tractor safety structure.
The method of claim 1,
The bumper provided at the front of the tractor, the upper end portion is fixed to the transverse pipe is installed in front of the vehicle body and the lower end of the plurality of diagonal bars fixedly coupled to the front lower projection of the vehicle body; Horizontal bars connected horizontally to the middle of the diagonal bar; is installed in the shape of an inverted trapezoid
The tractor safety structure.
delete The method of claim 1,
The back miller is installed on the left side of the cab, and the back miller guard is installed so that the back miller is not damaged even when the articulated arm collides with the articulated arm during turning or operation.
The tractor safety structure.

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