KR100448278B1 - Weeder for excavator - Google Patents

Abstract

PURPOSE: A weeder for an excavator is provided to effectively execute weeding work while automatically maintaining the weeder in close contact with the ground by selectively mounting the weeder to the excavator via a link rod freely rotating. CONSTITUTION: In a weeder(1) for an excavator(2), a weeder clamp is connected to an arm cylinder(5) and a bucket cylinder(7) of the excavator, and a rotating shaft is combined to the lower end of the weeder clamp. A pair of link rods is connected to an upper link bracket installed to the lower end of the rotating shaft. A turning shaft is fitted to a turning shaft boss attached to a lower link bracket of the lower end of the link rod. The weeder is combined to the tip of the turning shaft. The weeder for the excavator comprises a locking unit and a vertical turning unit. In the locking unit, a pair of fixing holders each having a slant face is attached to the lower part correspondently to an upper rotating plate installed to the outer peripheral surface of the rotating shaft, and a locking rod selectively fitted to a fixing hole of a rotation control plate through the upper rotating plate is elastically supported to the inside of the fixing holder. The locking rod is connected to a locking member by a rotating rod. A transfer holder having a slant face coming in contact with the slant face of the fixing holder is integrally installed to the outside of the lower part of the rotating rod. In the vertical turning unit, turning support plates with a guide groove are integrally attached to the ends of the turning shaft boss. The vertical turning unit includes a turning plate integrally attached to one end and the outside of the turning shaft in close contact with the turning support plate. A guide member guided to the guide groove is installed to the lower part of the turning plate.

Description

Weeder for excavator

The present invention can selectively weeds or weeds grown in special areas such as grasslands, hills, hills, etc. where the conventional weeding vehicles could not enter by mounting a herbicide on the arm tip of an excavator for excavating soil or rock. To an excavator mower.

In general, weeding operations for removing lush weeds, grass, scrubs, etc. in the summer are carried out by hand by picking up a mowing machine equipped with an engine weighing 20 to 30 kg or by hand. As a result, the worker feels tired easily, and the work speed is slowed down by heavy materials, and thus a large amount of work cannot be performed. Accordingly, a large amount of work manpower is inevitable.

In addition, when a mechanical mower is used, the worker's safety accident occurs frequently as the stone is bounced off by the cutting blade rotating at high speed, and the working capacity is limited because the motor capacity is small.

In recent years, in order to solve such a problem, a mower is mounted on a bumper of a general vehicle, and then vegetation in various places is more effectively removed using a power source of the vehicle.

However, the above-mentioned vehicle mower is limited to the area where the vehicle can enter, so that the application of the mower is very narrow.

In other words, weeds and scrubs, which have grown profusely in special areas such as reed fields, grasslands, wild mountains, chestnut complexes, wetlands, hills, etc., which cannot be entered by vehicles, are being caused.

Therefore, weeding in these special areas was carried out by manual labor, which was totally dependent on manpower.

The present invention has been made to solve the above problems, by automatically mounting a mower through a freely rotatable linker on an excavator that can freely enter special areas, such as grasslands, hills, hills, etc. that can not enter the vehicle automatically The main object of the present invention is to be able to perform the weeding operation more effectively while maintaining the mower in close contact with the ground.

The present invention for achieving the desired object is a mower clamp connected to the arm and the bucket cylinder of the excavator,

Horizontal rotating means installed on the bottom surface of the mower clamp and selectively rotating the mower horizontally according to an on / off operation of the locking member;

A pair of linkages that are rotatably installed between upper and lower link brackets integrally attached to the lower rotating plate of the horizontal rotating means and the rotating shaft boss of the vertical rotating means, so as to automatically maintain the ground contact state of the mower;

Vertical rotation means for automatically maintaining the ground contact state of the mower by vertically rotating the rotation shaft fitted to the rotation shaft boss;

It consists of a coupling means for coupling so that the support of the mower is fitted between the pressing plate of the rotary shaft tip and the other pressing plate.

1 is a state diagram mounted on the excavator mower the present invention

Figure 2 is a vertical rotation state diagram of the mower

3 is a side view of the inventive mower

Figure 4 is a ground contact state diagram of the mower by the rotation of the present invention

5 is a perspective view of the present invention mower clamp

Figure 6 is a longitudinal cross-sectional view of the installation state of the vertical turning means of the present invention

7 is a plan view of the coupling state of the coupling means of the present invention

8 is a front view of the rotation support plate of the present invention

9 is a rotation state diagram of the rotating plate of the present invention

Figure 10 is a longitudinal cross-sectional view of the operating state of the present invention the horizontal rotating means

11 is a front view of the rotary control plate of the present invention

12 is an enlarged cross-sectional view of an installation state of the locking means of the present invention;

13 is a cross-sectional view taken along the line A-A of FIG.

14 is an enlarged cross-sectional view of an operating state of the locking means of the present invention;

[Explanation of symbols on the main parts of the drawings]

1: mower 1a: support

2: excavator 10: mower clamp

13: Arm connecting rod 14: Cylinder connecting rod

20: horizontal rotation means 23: rotating shaft

24: fixing hole 25: rotating control plate

26: upper rotating plate 30: locking means

31: fixing means 32, 37: inclined surface

33: lock rod 34: spring

36: locking member 40: link stage

50: vertical rotation means 51: rotation shaft boss

53: rotating support plate 54: rotating shaft

57: guide member 60: coupling means

61: release prevention piece 62, 62a: pressing plate

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

The present invention can effectively carry out a wider range of weeding operations regardless of the area by selectively mounting the weeding machine (1) to the excavator (2) that can freely enter the area where the weeding vehicle could not enter. What makes it possible is the characteristic summary of this invention.

In the structure of the excavator 2 for mounting the mower 1 prior to the description of the configuration of the present invention, as shown in FIG. 1, the arm cylinder at the tip of the boom 4 on which the boom cylinder 3 is mounted is shown. It can be seen that the arm 6 actuated by 5) is installed, and the bucket cylinder 7 for driving the bucket is installed on the arm 6.

The configuration of the present invention, which is selectively mounted on the excavator 2 to enable the weeding operation, schematically includes a mower clamp 10 which is selectively connected to the arm 6 and the bucket cylinder 7, and the mower clamp. Horizontal rotating means 20 for selectively rotating the rotary shaft 23 provided on the bottom of the (10) in accordance with the on / off operation of the locking member 36 to enable horizontal rotation of the mower 1, and the horizontal rotation A pair of link stages 40 which are rotatably installed between the upper and lower link brackets 41 and 42 installed in the means 20 and the vertical rotation means 50 to automatically maintain the ground contact state of the mower 1. And, the vertical rotation means 50 for automatically maintaining the ground contact state of the mower 1 by vertically rotating the rotation shaft 54 fitted to the rotation shaft boss 51 and the rotation, The mower 1 between the pressing plate 62 at the tip of the coaxial 54 and the other pressing plate 62a. It consists of a coupling means 60 for coupling so that the support (1a) of.

It will be described in more detail to enable the configuration of the present invention made of the schematic configuration.

The mower clamp 10 of the present invention is for connecting the mower 1 to the excavator 2, and a pair of vertical plates 12 inclined upwardly to one side to be spaced apart by a predetermined distance from the top of the base plate 11 An arm connecting rod 13 and a cylinder connecting rod 14 installed between the vertical plate 12 and the arm 6 of the excavator 2 and the bucket cylinder 7 are fitted and installed between the vertical plate 12 and the vertical plate 12. The outer surface and the base plate 11 is connected to the reinforcing rib 15 to maintain the vertical plate 12 is firm.

In the horizontal rotating means 20, which enables horizontal rotation of the mower 1, a rotation support 21 is penetrated through the bottom of the base plate 11, and a rotation end portion 22 is formed on the top of the rotation support 21. The rotating shaft 23 is installed to be horizontally rotated in a state where it is seated, and the rotation interlocking plate 25 in which a plurality of fixing holes 24 are radially installed at equal intervals on the outer side of the rotating support 21 is a base plate 11. It is attached integrally to the bottom of).

A pair of upper and lower rotary plates 26 and 26a are attached to the upper and lower outer peripheries of the rotary shaft 23 by a predetermined distance, and the upper and lower rotary plates 26 and 26a are disposed on the outer side of the rotary shaft 23. It is connected integrally via the fitted outer cylinder 27 to maintain more robustness, and the upper rod 26 has a locking rod 33 installed through the upper rotary plate 26 to fix the fixing hole of the rotary control plate 25. A pair of locking means 30 is selectively installed in the 24 to maintain the locked state of the rotary shaft 23.

Looking at the configuration of the locking means 30 here as shown in Figs. 12 to 14 a pair of fixing holder 31 is attached to the upper rotating plate 26 in a concentric circle position and corresponding to the fixing holder 31, the inclined surface 32 is formed on the bottom surface of the lock rod 33 to be fitted into the fixing hole 24 selectively penetrating through the upper rotating plate 26 to the inner side is elastically supported by the spring (34).

The locking rod 33 is integrally connected to the locking member 36 by an external rotation 35 connected to the outside and in close contact with the inclined surface 32 of the fixed holder 31 on the outside of the bottom of the rotation 35. The transfer holder 38 having another inclined surface 37 is integrally installed.

Accordingly, as shown in FIG. 13, in the state where the pair of inclined surfaces 32 and 37 are in close contact with each other, the locking rod 33 is fitted into one of the fixing holes 24 to keep the horizontal rotation of the mower 1 limited, while locking the lock. When the member 36 is rotated 180 degrees in either direction, the inclined surface 37 of the transfer holder 38 is pushed backwards on the inclined surface 32 of the fixed holder 31, and the rotation period 35 and As the locking rod 33 rotates, the locking rod 33 is pushed backward together to release the locking hole 24 to temporarily release the locking state.

When the lock state is released as described above, when the mower 1 is rotated by a predetermined angle and the locking member 36 is rotated to its original position, the locking rod 33 is easily fixed by the restoring force of the spring 34 again. ) To be locked.

On the other hand, a pair of link stage 40 for automatically maintaining the mower (1) always in close contact with the ground vertically rotated with the upper link bracket 41 attached to the bottom surface of the lower rotating plate (26a) of the horizontal rotating means (20) Rotation pin 43 is rotatably connected between the lower link brackets 42 attached to the upper surface of the rotation shaft boss 51 of the means 50.

The pair of links 40 is operated by the arm cylinder (5) to maintain the herbicide (1) in close contact with the ground in accordance with the degree of protrusion and inclination of the ground during the operation of the arm (6) to lift and lower the mower (1) Eliminate the hassle of adjusting the position of).

That is, when the mower 1 reaches an area higher than the flat surface as shown in FIG. 4, even if the arm 6 is not lifted, the linkage 40 automatically rotates and does not exert an excessive force on the arm 6 again. When it reaches, even if the arm 6 is not lowered, the link stage 40 rotates automatically, and the mower 1 can always remain in close contact with the ground.

Also, as shown in FIG. 2, the vertical rotation means 50 which automatically maintains the ground contact state of the weeder 1 by automatically rotating the pivot shaft 54 in the vertical direction includes the lower link bracket 42. Rotating shaft boss 51 is attached to the bottom surface. The rotation shaft boss 51 is integrally attached with a rotation support plate 53 having arcuate guide grooves 52 formed at both ends thereof, and penetrates the rotation support plate 53 with the rotation shaft 54 at the rotation shaft boss 51. The fitting is installed.

Here, one end of the rotation shaft 54 is finished with an end plate 55, and the rotation plate 56 is integrally in close contact with the rotation support plate 53 at a predetermined position outside the end plate 55 and the rotation shaft 54. The guide member 57 is installed at the bottom of the pivot plate 56 while the guide member 57 is fitted into the guide groove 52 of the pivot support plate 53 to rotate the pivot shaft 54. The guide member 57 is transferred along the guide groove 52.

The guide groove 52 serves to guide the rotation of the rotation shaft 54 when the guide member 57 comes into close contact with both ends of the guide groove 52 as well as the guide role of the guide member 57 when the rotation shaft 54 rotates. It will also act as a stopper to block.

On the other hand, the coupling means (60) for integrally coupling the support (1a) and the rotating shaft 54 is attached to the pressing plate 62, the separation preventing piece 61 is formed at a predetermined interval up and down at the tip of the rotating shaft (54) And the other pressing plate 62a in a separated state together with the pressing plate 62.

Therefore, the pressing plate in the state in which the square support (1a) installed in the longitudinal direction between the side plate (1b) of the mower 1 between the separation prevention piece 61 formed on the pair of pressing plates (62) (62a) When the fastening plate 62 and 62a are tightened by tightening the fastener 63 to integrate the 62 and 62a, the support 1a is strongly pressed to support the support 1a and the pivot shaft 54. It can be combined integrally.

On the other hand, the mower 1 of the present invention, as shown in Figs. 3 to 4, the support roller 1c is installed on the rear side so that the mower 1 can be smoothly transferred in the forward and backward directions in close contact with the ground. do.

And, the power for driving the mower 1 may be used by connecting the hydraulic line pre-installed in the excavator 2 to the mower 1.

According to the present invention having such a configuration, even when the driver does not raise or lower the arm 6 of the excavator 2, the link table 40 and the rotation shaft 54 rotate in accordance with the bending and inclination of the ground, which is always in close contact with the ground. Maintaining the state can be carried out smoothly.

The present invention can be selectively equipped with a mower on an excavator capable of freely entering a special area, such as grasslands, hills, hills, etc., where conventional weeding vehicles could not enter, weeding work in a wider area regardless of the area This can be done effectively.

In addition, the weeding machine is always in close contact with the ground without the cumbersome operation of moving the mower up and down according to the curvature and inclination of the ground. Is provided.

Claims (6)

The mower clamp 10 is connected to the arm cylinder 5 and the bucket cylinder 7 of the excavator 2, the rotary shaft 23 is coupled to the lower side of the mower clamp 10 so as to be horizontally rotated, and the rotary shaft 23 A pair of link stages 40 are connected to the upper link bracket 41 installed at the bottom thereof, and vertical rotation is possible to the rotation shaft boss 51 attached to the lower link brackets 42 at the lower end of the link stage 40. In the excavator mower, the rotary shaft 54 is fitted, the mower 1 is coupled to the tip of the rotary shaft 54, A pair of fixed holders 31 having an inclined surface 32 are attached to the bottom thereof to correspond to the upper rotating plate 26 installed on the outer circumference of the rotating shaft 23, and penetrates the upper rotating plate 26 inside the fixed holder 31. The lock rod 33 that is selectively inserted into the fixing hole 24 of the rotary control plate 25 is supported by the spring 34, the lock rod 33 is the lock member 36 by the rotation 35. And a locking means 30 which is integrally provided with a transfer holder 38 having another inclined surface 37 in close contact with the inclined surface 32 of the fixed holder 31 on the outside of the bottom of the rotation 35. ; Rotating support plate 53 having an arc-shaped guide groove 52 is integrally attached to both ends of the pivot shaft boss 51, and integrally in close contact with the pivot support plate 53 at one end and outside of the pivot shaft 54. Excavator mower, characterized in that consisting of a vertical rotation means (50) comprising a rotating plate 56 is attached and the guide member 57 is guided to the guide groove (52) at the bottom. delete delete delete delete delete