KR19990023816U - Combined automatic and manual inverters for loaders - Google Patents

Abstract

The present invention is to be able to operate the lifting bucket (8) automatically or manually according to the characteristics of the work, to reduce the cost of the combined use and to improve the efficiency, the structure is a tractor ( 2) the boom 6 is pivotally installed, the bucket 8 is pivotally installed at the distal end of the boom 6, and is installed at the center of the boom 6 so as to lift up and down. A first acting portion 12 that provides an action force, a rotating member 20 coupled to the first acting portion 12 and rotatably installed on one side of the boom 6, and installed on the rotating member 20. It relates to an automatic and manual combined converter for a loader consisting of a second operating part 36 to provide an acting force to the bucket (8).

Description

Combined automatic and manual inverters for loaders

The present invention relates to an automatic and manual converting device of a tractor loader, and in particular, by allowing the lifting bucket to be operated automatically or manually according to the characteristics of the work, it is possible to further improve the efficiency while reducing the cost of the combined use. The present invention relates to an automatic and a manual inverter for a loader.

Generally, loaders are used to collect timber, grasses, anages, and collect fertilizers, pig meals and poultry, and are also used for road maintenance, construction materials, and reforestation.

In the prior art, as shown in FIG. 6, a bracket 102 is installed on the front of the tractor, and the bracket 102 is coupled to the first hinge pin 106 so that the boom 104 is rotatable. (104) The bucket 108, which is capable of spreading soil and the like, is installed at the distal end.

The rear end of the first cylinder 110 providing an action force is coupled to the bracket 108 by a second hinge pin 112 so as to be rotatable, and that of the first rod 114 constituting the first cylinder 110. The front end is installed at the center lower part of the boom 104.

The front end of the first link 116 is pivotally installed on the rear surface of the bucket 108, and the upper end of the second link 118 is pivotally coupled to the rear end of the first link 116. The lower end of the two links 118 is installed to be rotated to the boom 104.

In addition, the front end of the first link 116 and the upper end of the second link 118 is coupled to the front end of the second rod 120 for transmitting an action force, the second rod 120 is a second to provide an action force It is installed in the cylinder 122.

In addition, the rear end of the second cylinder 122 is installed on the cam plate 124 which is installed to be rotated to the boom 104.

At this time, one side of the cam plate 124 is provided with a first pin 126 to be coupled to the rear end of the second cylinder 122, the lower portion of the cam plate 124, the center of rotation in the boom 104 A second pin 128 is formed, and the third pin 130 is installed on the other side of the cam plate 124.

In addition, the third pin 130 is coupled to the front end of the bar 132 for holding the bucket 108 to maintain the horizontal when the boom 104 is raised and lowered, the rear end of the bar 132 is It is coupled to the bracket 102 by a third hinge pin 134 is installed to be rotated together with the boom (104).

Referring to the operation of the automatic operation device configured as described above are as follows.

First, when the high-pressure fluid is supplied to the first cylinder 110 by adjusting the control unit (not shown) to raise the bucket 108 including the soil, the first rod 114 moves forward and the boom 104. Rotate to the center of the first hinge pin 106 to rise with the bucket (108).

When the boom 104 is raised, the bar 132 is rotated around the third hinge pin 134 together, wherein the boom 104 and the bar 132 are installed on the bracket 102 at a distance. In this regard, the tip of the bar 132 pulls the third pin 130 provided on the cam plate 124.

Accordingly, the cam plate 124 is rotated at the boom 104 about the second pin 128, and at the same time, the first pin 126 having the second cylinder 122 mounted on the cam plate 124 is The first rod 116 is rotated while the second rod 120 is pulled together with the second cylinder 122.

As described above, when the first link 116 rotates, the second link 128 rotates on the boom 104, and at the same time, the bucket 108 rotates by an action force transmitted from the second link 128. Done.

The rotation range of the bucket 108 is rotated in proportion to the range in which the boom 104 is rotated, whereby the bucket 108 rises while maintaining a horizontal level with the ground to prevent the soil from falling inside. Done.

If the control unit is continuously adjusted to supply the high pressure fluid to the second cylinder 122, the second rod 120 moves forward and the second link 118 is rotated while pushing the first link 116. At the same time, the tip portion of the first link 116 rotates the bucket 108 to pour out the dirt contained therein.

In the above state, when the control unit is operated to operate the first cylinder 110 to move the first rod 114 forward, the boom 104 rotates about the first hinge pin 106 and descends. Done.

When the boom 104 is lowered as described above, the bar 132 is also lowered. At this time, the tip of the bar 132 pulls the third pin 130 to center the cam plate 124 on the second pin 128. As the cam plate 124 rotates, the cam plate 124 rotates and pulls the second cylinder 122 and the second rod 120.

Accordingly, the bucket 108 rotates in proportion to the angle at which the boom 104 descends, and maintains the same slope as that of the bucket 108 at the highest point at which the boom 104 rises and maintains the same slope as the boom 104. Will descend together.

Meanwhile, referring to FIG. 7, a conventional manual actuator structure is as follows.

First, a bracket 134 is installed at the front of the tractor, which is not shown, and the boom 136 is rotatably installed to be lifted, and the tip of the boom 136 is disposed so as to scoop soil. The bucket 138 is installed to rotate.

In addition, a rear end portion of the first cylinder 140 providing an action force is pivotally installed at a lower portion of the center of the boom 136, and a front end portion of the first rod 142 provided to the first cylinder 40 to transmit power is provided. It is installed to be rotated to the bracket 134.

In addition, the rear end of the second cylinder 144 providing an acting force is pivotally installed at the center of the upper portion of the boom 136, and the second rod 146 is provided at the second cylinder 144 to transmit the acting force.

The upper end of the second rod 146 is installed on the upper portion of the first link 148 that is pivotally installed on the boom 136, and the second link 150 that transmits an acting force to the upper end of the first link 148 is provided. It is coupled to rotate, the front end of the second link 150 is installed to be rotated on the back of the bucket 138.

Referring to the operation of the conventional manual operation device configured as described above are as follows.

The first rod 142 is advanced when the first cylinder 140 is operated by manipulating a control unit (not shown) in a state in which soil is poured into the bucket 138 to maintain a horizontal level, and at the same time, the boom 136 Is raised by the bucket 138 while rotating by the action force of the first rod 142.

When the boom 136 is raised as described above, the bucket 138 is in a state of maintaining the first horizontal, but when the boom 136 is raised is gradually inclined, thereby the bucket 138 The dirt contained in the part will be poured out to the outside.

After continuing to raise the boom 136 to a predetermined position to adjust the control unit to operate the second cylinder 144, the second rod 146 advances and rotates the first link 148. At the same time, the second link 150 is pushed.

Therefore, the bucket 138 is rotated by the second link 150 to pour out the contained soil to the outside.

At this time, in order to prevent the soil from pouring from the bucket 138, the operator adjusts the control unit to operate the second cylinder 144 to maintain the bucket 138 horizontal.

According to the related art, the cost of the work is increased due to the fact that the bucket is automatically leveled according to the characteristics of the work, and the device for manually leveling the buckets must be used separately. There is a problem that is raised.

The purpose of the present invention is to enable the lifting buckets to be operated automatically or manually according to the characteristics of the work, thereby improving the efficiency and reducing the cost of the combined use.

The present invention for realizing this, a boom that is pivotally installed on the tractor, a bucket that is pivotally installed at the tip of the boom to spread soil, and the first to provide an actuation force to be installed in the center of the boom It consists of a first working part, a rotating member which is coupled to the first working part and is rotatably installed on one side of the boom, and a second working part which is installed on the rotating member and provides an acting force to the bucket.

1 is a state in which an embodiment of the present invention is installed on a tractor,

2 and 3 is a partially separated perspective view showing an embodiment of the present invention,

Figure 4 (a), (b) is a state diagram when the embodiment of the present invention is operated manually,

Figure 5 (a), (b) is a state diagram when the embodiment of the present invention automatically acts,

6 is a conventional automatic loader structure diagram,

7 is a conventional manual loader structure diagram.

* Explanation of symbols for main parts of the drawings

2: tractor 4: bracket

6: boom 8: bucket

9: first hinge pin 10: rinse

12: first action portion 14: the first rod

16: first cylinder 18: first pin

20: rotating member 22: cam plate

24: 1a hole 26: second pin

28: pinhole 30: 1b hole

32: 1c hole 36: the second operating part

38: second cylinder 44: first link

46: second hinge pin

1 to 3, the bracket 4 is installed at the front of the tractor 2, and the boom 6 is rotatably installed at the upper portion of the bracket 4, and the boom 6 is installed. ) The front end portion is coupled to the first hinge pin (9) so that the bucket (8) can be rotated to spread the soil.

In addition, a rinse (10) protrudes and is formed at the center lower portion of the boom (6), and the rinse (10) is provided with a first acting portion (12) for providing power. The front end of the first rod 14 for transmitting the rotation is installed to the bracket 4, the first rod 14 is installed in the first cylinder 16 to provide an action force, the first cylinder 16 The rear end is rinsed (10) is coupled to the first pin (18).

A cam plate 22, which is a rotating member 20, is installed on one side of the central portion of the boom 6, and a first through hole 24 is formed in the central portion of the cam plate 22, and the first a hole. The second pin 26 is coupled to the second pin 24, and a pinhole 28 is formed at one side of the boom 6 to allow the second pin 26 to be coupled thereto.

In addition, a first b hole 30 is formed at one side of the cam plate 22 to allow the first pin 18 to be coupled thereto, and the first and second portions 1c and 1d at the other side and the bottom of the cam plate 22, respectively. Holes 32 and 34 are formed.

In addition, a second actuating part 36 is provided in the first c hole 32 to provide power. The rear end of the second cylinder 38 constituting the second acting part 36 is the first c hole 32. ) Is coupled to the third pin (40), and the second cylinder (38) is provided with a second rod (42) for transmitting an action force, and a first link (44) is provided at the tip of the second rod (42). Coupling, the first link 44 is installed to be rotated to the second hinge pin 46 installed on the boom (6).

In this case, the second links 44a, 2b, 2c, and 2d holes 48, 50, 52, and 54 penetrate through the first link 44, respectively, and the first pins 56 are formed in the second d hole 54, respectively. A part of the second pin 57 is coupled to the second b hole 50, and a part of the second pin 57 is coupled to the front end of the second rod 42. A part is coupled to the third a hole 60 formed at the central portion of the 58.

3b and 3c holes 62 and 64 penetrate through upper and lower portions of the second link 58, and a third pin 66 is coupled to the third c hole 64, and the third The pin 66 is coupled to the rib 68 formed at the rear of the bucket 8.

On the other hand, the bracket (4) is provided with a bar (60) for adjusting the bucket (8) so as to move up and down while keeping the ground level, and a lug for fixing the bar (60) in non-use 62 is installed on the boom 6.

Referring to the operation of the present invention configured as described above are as follows.

First, in order to allow the bucket 8 to operate in a manual state, the end of the bar 60 is fixed to the lug 62 installed on the boom 6 in a state where it is separated from the cam plate 22.

The second pin 26 is coupled to the first a hole 24 formed in the cam plate 22, and the second pin 56 is fastened to the pin hole 28 formed in the boom 6 so that the cam is engaged. The plate 22 is fixed, and the first cylinder 16 is coupled to the first pin 18 coupled to the rinse 10 and the first b hole 30 formed in the cam plate 22.

In addition, the distal end portion of the second rod 42 is pivotally coupled to the first pin 56 installed in the second d hole 54 of the first link 44, and the second b hole formed in the first link 44 ( The second pin 57 is coupled to the second pin 57, and the second pin 57 is coupled to the third a hole 60 formed in the second link 58.

When the bucket 8 is perpendicular to the ground in order to scoop up the dirt on the ground in such a state and then the first cylinder 16 is operated to reverse the first rod 14, the boom As the 6 is lowered, the bucket 8 is in a state of digging into the ground. In this state, when the second cylinder 38 is operated by adjusting the control unit (not shown), the second rod 42 moves backward and the first link. (44) is rotated to the center of the second hinge pin (46).

Therefore, the second link 58 is rotated about the second pin 57 by the rotating first link 44 to pull the bucket 8, which causes the bucket 8 to boom 6. Rotating around the first hinge pin (9) installed in the tip portion and embedded in the soil as shown in Figure 4 (a).

At this time, the upper end of the bucket 8 is to be kept horizontal with the ground so that a part of the soil contained in the inside can be prevented from flowing to the outside.

When the first cylinder 16 is operated by adjusting the control unit in the above state, the first rod 14 is moved forward. At this time, the first rod 14 is rinsed and fixed to the boom 10. (6) is raised.

When the boom 6 is raised as described above, the bucket 8 is in a state of being kept level with the original ground, and when the boom 6 is raised, the bucket 8 is in proportion to the rotating angle. It is gradually inclined to a state as shown in Fig. 4B.

When the boom 6 is raised to a predetermined position, the driver adjusts the control unit to advance the second rod 42 by operating the second cylinder 38, which causes the first link 44 to move. It rotates in the opposite direction as described above.

Accordingly, as the first link 44 rotates, the second link 58 pivots about the third pin 66 and is pushed, and at the same time, the bucket 8 is pushed by the second link 58 1 hinge pin (9) is to be rotated around the soil is contained in the state of pouring.

On the other hand, in order to allow the bucket 8 to automatically move up and down in a horizontal state, the first cylinder 16 is first provided so that the cam plate 22 is free to rotate on one side of the boom 6. Rinse the first pin (18) coupled to the first pin (18) is coupled to the first hole 34 formed in the cam plate (22).

The first pin hole is coupled to the first pin hole 30, the first pin hole is coupled to the second pin 26, and the first c hole is formed in the cam plate 22. The rear end portion of the second cylinder 38 is coupled to the third pin 40 by the third pin 40.

In addition, the distal end of the second rod 42 is coupled to the second c hole 52 formed in the first link 44 by the first pin 56 and the second a hole 48 formed in the first link 44. ) Is coupled to the third b hole 62 formed in the second link 58 by a second pin 57.

When the soil is contained in the bucket 8 in the above state, it becomes a state as shown in FIG. 5 (a). In this state, the first cylinder 16 is operated by adjusting a control unit not shown.

Accordingly, the first rod 14 moves forward to raise the boom 6 to a predetermined position by rotating the boom 6 as shown in (b), wherein the bar 60 rotates together with the boom 6 and ascends. Done.

The bar 60 and the boom 6 rising as described above are rotated in the brackets having different rotation ranges because they are installed with different heights, so that the bar 60 is installed at the tip end. The cam plate 22 is rotated about the first pin 18 while pulling the two pins 26.

As described above, when the cam plate 22 rotates, the second cylinder 38 coupled to the third pin 40 is pulled in the rotation direction, and at the same time, the second rod 42 installed in the second cylinder 38. ) Rotates the first link 44 to the center of the second hinge pin (46).

As the second link 58 is pulled by the first link 44 rotating as described above, the second link 58 rotates about the third pin 66, and the bucket 8 is rotated at an angle between the boom 6. The first hinge pin (9) is rotated in proportion to the center, which causes the bucket (8) to rise while maintaining the horizontal.

Therefore, the soil contained in the bucket is raised in a state that does not pour out.

The present invention has the advantage of reducing the cost of the combined use by allowing the lifting bucket to operate automatically or manually according to the characteristics of the work, and can further improve the efficiency.

Claims (2)

Boom and pivotally installed on the tractor. A bucket which is pivotally installed at the distal end of the boom to spread soil and the like; A first acting unit installed in the center of the boom and providing an acting force to move up and down; A rotating member coupled to the first action part and installed to rotate on one side of the boom; Combined automatic and manual converter for a loader, characterized in that the second member is provided on the rotating member to provide an action force to the bucket. The method of claim 1, The bracket has a rear end portion of the bar that is a fixed role to be rotated, the front end of the bar is installed on the cam plate so that the bucket can be raised and lowered horizontally, automatic and manual converter for loaders.