KR101007323B1 - coupler of working machine for tractor - Google Patents

Abstract

The present invention relates to an apparatus for connecting a work machine to a work machine coupler mounted at the rear of the tractor. The present invention relates to a work device coupler mounted on the upper and lower links of a tractor, which is an agricultural vehicle, and a work device coupler for connecting a tractor work machine including a plow, a harrow, and a rotary to the work coupler. The upper and lower brackets for the work machine are fastened through the upper and lower connecting pins of the work machine tip so that the work machine coupler can be easily connected, and the attachment is provided with the upper and lower brackets for the connector for fastening with the work machine coupler. .

Therefore, by attaching attachments with the same connection point as the upper and lower connection brackets of the working machine connector, the makers can unify the connection points of the different working machine front ends by attaching them to the connection points of the upper and lower connection pins of the working machine. Therefore, even when the upper and lower connection brackets of the work machine connector mounted on the upper and lower links of the tractor, which is an agricultural vehicle, are fixed, the tractor work machine can be easily and easily connected.

Tractor, Work coupler, Work tool, Attachment, Frame

Description

Coupler of working machine for tractor

The present invention relates to an apparatus for connecting a work machine to a work machine coupler mounted on the rear of a tractor, and more particularly, a top of the work machine front end, a bottom mounted pin and a top of the work machine coupler connected to the lower connection bracket, By providing an attachment with a lower bracket, it is easy to connect the tractor work machine even when the upper and lower connection brackets of the work coupler mounted on the upper and lower links of the tractor, which are agricultural vehicles, are fixed. The present invention relates to a coupling device for a tractor work machine capable of unifying connection points of different work machine tips.

In general, there are several types of tractor work machines such as plows, harrows, and rotary machines, which are equipped with a three-point connection system on the rear of the tractor, which is suitable for the purpose, according to the work desired by the operator. It was.

In order to connect the work machine suitable for the purpose with the tractor, the previously attached work machine should be removed and replaced with a new work machine. As described above, in order to perform the work quickly and easily, a separate work machine coupler is mounted on the upper and lower links of the tractor, and the work machine coupler can be easily attached and detached.

1 is a view showing to explain the connection device of the tractor work machine according to the prior art, Figure 2 is a perspective view showing the extractor of the work machine coupler in FIG.

The connector coupler 10 is provided with a connector frame 11 in a predetermined shape, the upper link 21 of the tractor 20 and the upper connecting pin 33 of the upper end of the work machine 30 in the connector frame 10 An upper connection bracket 12 is provided to connect the lower link 22 of the tractor 20 and the lower connection pin 34 of the lower end of the work machine 30 to both sides of the connector frame 11. Lower connection bracket 13 is provided.

The upper connecting bracket 12 is provided with two plate members 12a, the ends of which are spaced apart, and a connecting pin hole 12c for connecting to the upper link 21 of the tractor 20 is formed and the rear end of the work machine 30. Hook member 12b for connecting the upper connecting pin 33 at the upper end is provided.

The lower connection bracket 13 is provided with two plate members 13a spaced below the connector frame 11, and a connection pin hole 13b for connecting to the lower link 22 of the tractor 20 is provided at the front end thereof. And a pin receiving groove 13c is formed in the plate 13a at the rear end and the lower connecting pin 34 of the work machine 30 is inserted into the pin receiving groove 13c. The rocker 14 is provided to rotate about the hinge pin 15 between two board | plate materials 13a. The rocker 14 is connected to the interlocking rod 17 so as to interlock and rotate up and down through the operation lever 16 on the connector frame 11.

The work connector coupler 10 configured as described above is provided with upper and lower links 21 and 13 of the upper and lower connection brackets 12 and 13 and the upper and lower links 21 of the tractor 20. 22, the work machine connector 10 is mounted on the rear of the tractor 20 by connecting the holes at the ends with the connecting pins 23, respectively.

The work machine 30 is connected to the work machine connector 10, but the hook member 12b of the upper connection bracket 12 provided on the top of the connector frame 11 is connected to the upper connection pin 33 at the tip of the work machine 30. The lower link 22 of the tractor 20 is operated upward so that the connector frame 11 is gently lifted.

When the connector frame 11 is lifted up as described above, the upper connecting pin 33 of the tip of the work machine 30 is caught by the hook member 12b of the upper connecting bracket 12 and the plate 13a of the lower connecting bracket 13 is seated. The lower connecting pin 34 of the working machine 30 is inserted into the pin receiving groove 13c provided in the). The upper and lower connection pins 33 and 34 are provided on brackets 31 and 32 extending upward and downward from the tip of the work machine 30, and the gap between the upper and lower connection pins 33 and 34 as well as the lower connection. The spacing between the pins 34 is briefly referred to as connection point below.

Thereafter, when the operation lever 16 of the upper part of the connector frame 11 is pushed toward the work machine 30, the rocker 14 is rotated through the interlocking rod 17 to open the pin receiving groove 13c of the lower connection bracket 13. The lower connection pin 34 of the work machine 30 is fixed in the pin receiving groove 13c without flow.

Thus, using the work machine connector 10 mounted on the upper and lower links 21 and 22 of the rear of the tractor 20, the work machine 30 can be quickly and easily connected to the tractor 20, and thus the sexes Anyone will be able to attach or detach the work machine 30 on the tractor 20 without effort.

However, in the above-described conventional connection device for a tractor work machine, the work machine 30 is selected to be suitable for the horsepower of the tractor 20 owned by the farmer, so even if the work machine 30 for the same work is the size of the work machine 30 Of course, the interval between the upper, lower connection pins 33 and 34 of the working machine 30, that is, the connection points were different.

Therefore, there was a problem that the upper and lower connection brackets 12 and 13 are not applicable to one work machine connector 10 having a fixed type, except for the work machine 30 of a predetermined manufacturer.

In other words, even if the connection point is slightly different for each work machine 30 of each maker is not compatible with the work machine 30 is not compatible with the work machine 30 can be used.

The work machine connector is proposed in Korean Utility Model Registration No. 20-0441686, which has been proposed to slightly improve such a problem. The work machine connector of the utility model registration is capable of adjusting the installation angle of the connector frame by replacing the upper link of the tractor with a hydraulic cylinder, and the upper guide bracket of the coupler frame moves up and down, and the lower connection bracket moves horizontally in a horizontal direction. It is prepared separately.

As described above, the work machine coupler can attach various sizes of work machines to the work machine coupler by adjusting the movable guide structure of the upper and lower connection brackets to match the upper and lower connection pins of the work machine. The hassle and inconvenience of having to adjust the movable guide structure of the lower connecting bracket to fit the work machine to be replaced.

In addition, when the work machine connector 10 does not have a movable guide structure of the upper and lower connecting brackets as shown in Figs. 1 and 2, the size (gap) between the upper and lower connecting pins is different for each manufacturer. It is not applicable to work machine 30 of. Therefore, there is a problem that the farmer has to dispose of the existing work machine coupler 10 and have a movable guide structure of the upper and lower connection brackets, or purchase a new work machine coupler 10 that fits the connection point with the work machine 30. there was.

The present invention has been researched and developed in order to solve the conventional closed and problems as described above, the object is mounted on the connection point which is the gap between the upper and lower connection pins of the working machine tip and the upper and lower connecting brackets of the working machine connector By additionally providing attachments with equally spaced connection points, it is possible to unify the connection points of different work machine tips for each manufacturer, and thus the upper and lower connection brackets of the work machine couplers mounted on the upper and lower links of tractors, which are agricultural vehicles. It is to provide a linkage device for a tractor work tool that can be easily and easily connected to a tractor work machine even in a fixed type.

In order to achieve the above object, the present invention provides a work device connector mounted on the upper and lower links of a tractor, which is an agricultural vehicle, and a connection device of a tractor work device for connecting a tractor work machine including a plow, a harrow, and a rotary device to the work coupler. In the attachment to the work machine is provided with a top and bottom bracket for the work machine which is fastened through the upper and lower connection pins of the work machine end so that it can be easily connected to the work machine connector, and the attachment is provided with a top and bottom bracket for the connector for fastening the work machine connector An additional feature is provided.

In the connection device of the tractor work machine according to the present invention, the attachment is a frame of a predetermined shape; Upper and lower brackets for working machines provided at both upper and lower sides of the rear surface of the frame and having connecting pin holes at positions corresponding to connecting points which are intervals between upper and lower connecting pins of the working machine tip; The upper and lower sides of the front surface of the frame is characterized in that consisting of the upper and lower brackets for the connector is provided with a pin at a position corresponding to the connection point which is the interval between the upper and lower connection brackets of the working machine connector.

The frame may be any shape as long as the top bracket and the bottom bracket can be mounted in a three-point support system on both the upper and lower sides thereof. can do.

The lower bracket for the connector may be provided with an inclined guide for guiding the lower bracket of the work machine connector.

The upper and lower brackets for the work machine may be directly welded to a work machine owned by a consumer when the types of work machines are varied, or may be manufactured by a field welding method in a service center.

In the connection device of the tractor work machine according to the present invention, the upper bracket for the work machine is provided to be set while moving up and down, the lower bracket for the work machine is set to move while setting the left and right horizontal brackets characterized in that the upper and lower bracket adjustment structure is provided. do.

The upper and lower bracket adjustment structure provides a base on the upper and lower brackets to provide a guide at the end portion thereof, and to provide a long hole vertically or horizontally in the frame at a position corresponding to the guide, the guide of the base in the long hole of the frame It is characterized in that it is provided to be guided and fixed without deviating.

The guide may be firmly provided by bolts and nuts having hexagonal or square heads.

The upper and lower bracket adjusting structure is characterized in that a protector is provided on the upper and lower brackets to protect the cross-sectional shape so that the upper and lower brackets can be moved along the upright and horizontal bars, and a setting member for fixing the upper and lower brackets on the upright and horizontal bars is provided.

The setting member is provided with a female screw or a nut provided in the protector and a bolt passing therethrough.

The connection device of the tractor work machine according to the present invention is attached to the connection point which is the interval between the upper and lower connection pins of the work machine tip, and by providing an attachment provided with the same connection point is the interval between the upper and lower connection brackets of the working machine connector Each manufacturer can unify the connection points of different work machine tip, which makes it easy and easy to connect the tractor work machine even when the upper and lower connection brackets of the work machine couplers mounted on the upper and lower links of the tractor are agricultural vehicles. Has the effect.

Hereinafter, on the basis of the accompanying drawings, the connecting device of the tractor work machine of the present invention will be described in detail.

3 is a partially exploded perspective view showing a connection device of a tractor work machine according to an embodiment of the present invention, Figure 4 is a view showing the assembled state of Figure 3, Figures 5a and 5b is an attachment of the main part of the present invention It is a perspective view of the front and back which extracted and shown.

As shown in the drawing, the connecting device of the tractor work machine of the present invention is mounted on the tip of the tractor work machine 30, such as plow, harrow, rotary, etc., the work machine mounted on the upper and lower links 21, 22 of the rear of the tractor 20 Attachment 40 that can be easily connected with the connector 10 is a configuration added.

The work coupler 10 is mounted on the upper and lower links 21 and 22 of the tractor 20, which is an agricultural vehicle, and the upper and lower connection brackets 12 and 13 cannot be moved, and the work machine 30 may also be The upper and lower connection pins 35 and 36 of the brackets 31 and 32 provided at both ends of the tip are the same as those described in the prior art in FIGS. Is omitted.

Attachment 40, which is a main part of the present invention, is provided with a triangular frame 41 having an empty middle, and a connection point of the tip of the work machine 30 at the upper and lower sides of the rear surface of the frame 41, ie, upper and lower sides. Upper and lower brackets 42 and 43 for working machines having connecting pin holes 42a and 43a are provided at positions corresponding to the connecting pins 35 and 36, respectively. Upper and lower brackets 44 and 45 for the connector having pins 44a and 45a respectively provided at positions corresponding to the upper and lower connecting brackets 12 and 13, which are the connection points of (10).

The lower bracket 45 for the connector is provided with an inclined guide 45b for guiding the lower bracket 13 of the work machine connector 10 for easy attachment.

Since the upper and lower brackets 42 and 43 for the work machine vary in the type of the work machine 30, the manufacturer of the attachment 40 may be directly welded to the work machine 30 owned by the consumer or manufactured by a field welding method in a service center. .

The attachment device of the tractor work machine according to the present invention having the configuration as described above will be described in the process of connecting to the work machine 30 by using the work machine connector 10.

First, the work machine coupler 10 is mounted on the upper and lower links 21 and 22 at the rear of the tractor 20 as shown in FIG. 1. The work machine coupler 10 is mounted on the upper and lower portions of the connector frame 11 and the connecting pin holes 12c and 13b of the lower connection brackets 12 and 13 and the upper and lower links 21 of the tractor 20. 22, the work machine connector 10 is mounted on the rear of the tractor 20 by connecting the holes at the ends with the connecting pins 23, respectively.

Attachment 40 is attached to the tip of each work machine 30 provided by the work machine 30, that is, the farmhouse, having different connection points between the upper and lower connection brackets 12 and 13 of the work machine connector 10. Each maker unifies the connection points of the different working machine 30 tips.

Mounting of the attachment 40 to the tip of the work machine 30 is the upper and lower brackets 42,43 for the work machine provided on the back of the frame 41 of the attachment 40 between the brackets (31, 32) of the tip of the work machine (30) ) Is inserted so that the connecting pin holes 31a and 32a of the brackets 31 and 32 of the work machine 30 and the connecting pin holes 42a and 43a of the upper and lower brackets 42 and 43 for the work machine are aligned. By fastening the lower connection pins 35 and 36, mounting of the attachment 40 is completed at the tip of the work machine 30.

In this state, the process of attaching and detaching the work machine 30 using the work machine connector 10 mounted on the tractor 20 is the same as described above in the background art, but will be briefly described.

The pin 44a on the upper side of the frame 41 on the attachment 40 side of the hook member 12b of the upper connecting bracket 12 provided on the connector frame 11 of the work machine connector 10 is mounted at the tip of the work machine 30. Gently lift up the work machine connector (10) to be caught.

When the work machine connector 10 is gently raised as described above, the pin 44a of the upper part of the frame 41 is caught by the hook member 12b of the upper connecting bracket 12 and the pin receiving groove of the lower connecting bracket 13 is mounted. The pin 45a at the lower part of the attachment frame 40 on the attachment 40 is inserted into 13c.

Thereafter, when the operation lever 16 of the work machine connector 10 is pushed toward the work machine 30, the rocker 14 is rotated through the interlocking rod 17 connected to the operation lever 16 to pin the lower connection bracket 13. Since the inlet of the receiving groove 13c is blocked, the pin 45a at the bottom of the attachment 40 is fixed in the pin receiving groove 13c without flow.

By attaching the attachment 40 to the tip of the work machine 30, the connection point is different as described above, the gap between the upper and lower connection pins 35 and 36, which is the connection point of the work machine 30, can be unified. If the unified, the upper and lower connecting brackets (12, 13) can be quickly and simply connect the work machine 30 to the tractor 20 even using a fixed work machine connector (10). Therefore, only the purchase of the attachment 40 is relatively cheap compared to the work machine connector 10 has an advantage that can be used without discarding the existing work machine connector 10.

6A and 6B and FIGS. 7A and 7B are diagrams illustrating other embodiments of attachments, which are essential parts of the present invention.

Here, the upper bracket 42 for the work machine is set while moving up and down, and the lower bracket 43 for the work machine is provided while the upper and lower bracket adjustment structure is set while moving to the horizontal.

6A and 6B, the upper and lower bracket adjusting structures are provided with bases 421 and 431 on upper and lower brackets 42 and 43 for separate work machines, which are separated from the frame 41, and guides 422 and 432 are provided at the end portions thereof. And provide long holes 411 and 412 in the frame 41 at positions corresponding to the guides 422 and 432 in the vertical and horizontal directions, and guides 422 and 432 of the bases 421 and 431 in the long holes 411 and 412 of the frame 41. Is guided and fixed without deviation.

The guides 422 and 432 should be firmly fastened by bolts and nuts having hexagonal or square heads.

The upper and lower bracket adjustment structure, as shown in Figure 7a and 7b, the frame 41 is fixed to the two vertical bars 416 vertically with respect to one horizontal bar 415, the overall shape is provided in the shape of a Korean vowel In this case, the upper and lower brackets 42 and 43 for working machines are provided with protectors 425 and 435 covering the cross-sectional shape so as to move upright and horizontal bars 415 and 416, and are fixed to the upright and horizontal bars 415 and 416 to the protectors 425 and 435. The setting members 426 and 436 which can be made are provided.

The setting members 426 and 436 may be provided with bolts through which female screws or nuts are provided at the protectors 425 and 435.

According to the connection device of the tractor work machine of another embodiment as described above, the upper and lower connection brackets for the work machine of the attachment 40 to match the upper, lower connecting pins 35 and 36 at the tip of the work machine 30 having different connection points. (42, 43) is moved, and afterwards to fix the upper and lower connection brackets (42, 43) for the working machine with guides (422, 432) or setting members (426, 436). Therefore, the upper and lower connection brackets 42 and 43 for the work machine can be easily adjusted to any work machine 30 without having to weld the service center or the customer directly in the field.

3, 5a and 5b, the frame 41, as well as the hollow triangle, as shown in Fig. 7a, 7b as a combination of the horizontal bar and the upright bar provided, but the three-point support method of the upper and lower sides Any shape may be used as long as it can be mounted on the upper and lower brackets for the work machine and the connector. For example, it may be provided in various shapes in addition to the ㅗ, ㅁ shape.

Finally, in addition to the frame of the attachment in the connecting device of the tractor work machine according to the present invention as well as the upper and lower connection brackets can be modified in various ways without departing from the object of the present invention, all the modified embodiments of the present invention It should be interpreted as being included in the scope of rights of the company.

1 is a view showing for explaining the connection device of the tractor work machine according to the prior art.

Figure 2 is a perspective view showing the extractor of the working coupler in FIG.

Figure 3 is a partial perspective view showing a connection device of the tractor work machine of the preferred embodiment according to the present invention.

4 is a view showing the assembled state of FIG.

5A and 5B are front and rear perspective views showing an attachment which is an essential part of the present invention.

6A, 6B and 7A, 7B are perspective views illustrating other embodiments of attachments, which are main parts of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: working coupler, 11: connector frame, 12: upper connecting bracket, 13: lower connecting bracket, 14: rocker, 15: hinge pin, 16: operating lever, 17: linkage rod, 20: tractor, 21: upper link, 22: lower link, 23: connecting pin, 30: working machine, 31, 32: bracket, 35: upper connecting pin, 36: lower connecting pin, 40: attachment, 41: frame, 42: upper bracket for working machine, 43: working Lower bracket for instrument, 44: Upper bracket for connector, 45: Lower bracket for connector

Claims (7)

Connect the work machine coupler 10 mounted on the upper and lower links 21 and 22 of the tractor 20, which is an agricultural vehicle, and the work machine for tractor 30 including a plow, harrow, and rotary connected to the work coupler 10. In the connection device of the tractor work machine to The upper and lower brackets 42 and 43 for the work machine, which are mounted on the tractor work machine 30 and fastened through upper and lower connection pins 35 and 36 of the work machine 30 so as to be easily connected to the work machine connector 10. There is provided an attachment 40 is provided with the upper and lower brackets 44, 45 for coupling with the work machine connector 10, The attachment 40 has a frame 41 of a predetermined shape; Upper and lower brackets 42 and 43 provided at both upper and lower sides of the rear surface of the frame 41 and having connecting pin holes 42a and 43a at positions corresponding to the connection points of the tip of the working machine 30, respectively; The lower bracket 13 is provided at both the upper and lower sides of the front of the frame 41 and has pins 44a and 45a at positions corresponding to the connection points of the work machine connector 10, respectively. The connecting device of the tractor work machine, characterized in that consisting of the upper and lower brackets (44, 45) for the connector provided with an inclined guide (45b). delete delete The method of claim 1, The frame constituting the attachment 40 is fixed to the two upright bars 416 with respect to one horizontal bar (415) vertically so that the overall shape is provided with a Korean-shaped 의 of the tractor work device connection device. The method of claim 1, The upper bracket 42 for the work machine is provided to be set while moving up and down, and the lower bracket 43 for the work machine is connected to the tractor work device, characterized in that the upper and lower bracket adjustment structure is provided to be set while moving horizontally. . The method of claim 5, The upper and lower bracket adjusting structures are provided with bases 421 and 431 on upper and lower brackets 42 and 43 for separate working machines so as to be separated from the frame 41 to provide guides 422 and 432 at the ends thereof and correspond to the guides 422 and 432. A long hole (411, 412) is provided in the frame of the position to the vertically or horizontally long, and the guides (422, 432) of the base (421, 431) in the long hole (411, 412) of the frame is guided and fixed without being separated Connection device for work machine. The method of claim 5, The upper and lower bracket adjusting structures are provided with protectors 425 and 435 surrounding the cross-sectional shape so that the upper and lower brackets 42 and 43 can be moved along the horizontal and upright bars 415 and 416, and the protectors 425 and 435. Connecting device of the tractor work machine, characterized in that the setting member (426,436) for fixing it to the horizontal and upright bars (415,416) is provided.

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