KR100364387B1 - an apparatus for gathering root crops - Google Patents

Abstract

The present invention relates to an underground crop harvester having an improved structure to prevent crushing during the excavation of underground crops and to facilitate replacement and repair work. The configuration includes a frame mounted on the rear of a tractor and the like, and an inner surface of the frame. A pair of transfer chains respectively installed at each of the plurality of transfer chains and a power generation unit for imparting a driving force to the transfer chain by hydraulic pressure generated by the driving force of the tractor; It is composed of a power transmission unit for applying rotational force and vertical vibration to the transfer chain by the driving force transmitted from the power generating unit. The transfer chain is rotated by receiving the driving force from the hydraulic motor capable of forward and reverse rotation, and performs the function of separating the excavated underground crops and other foreign matters by the up and down vibration force given by the vibration sprocket. According to the present invention, since the transfer chain is divided into two parts, and the front drive shaft is omitted, the simple structure is improved, and thus, it is possible not only to prevent the jamming of stones during the excavation work, but also to easily replace the parts when the parts are damaged. do.

Description

An apparatus for gathering root crops}

The present invention relates to an underground crop harvester, in particular, using a power of a tractor, such as ginseng, bellflower, etc. buried in the ground buried, the harvested crop is separated from the soil by vibration and easy to repair its structure Relates to improved ground crop harvesters.

In general, a mechanical excavator is to receive a driving force through a power take-off device installed on the rear of a farm vehicle such as a tractor, etc. to collect crops in the ground by the driving force.

1 and 2, the conventional underground crop harvester is positioned in front of the frame 10, the transfer chain 20 rotatably installed on the inner surface of the frame 10, and the frame 10, as shown in FIGS. The transfer chain 20 receives a one-way driving force from a power mechanism such as a tractor, and transmits the driving force to the transfer chain 20, and the driving chain 20 by the driving force transmitted from the first power transfer unit 30. And a second power transmission unit 40 for imparting rotational and vibrational force thereto.

The frame 10 is provided with plates 12 and 14 which are mutually symmetrical on the left and right sides, and a fixing bracket 16 which is axially supported and connected to the power take-off mechanism PTO installed at the rear of the tractor is installed at the front upper end. At the bottom, a plow blade 18 inclined downward is integrally formed.

The transfer chain 20 is integrally rotated in an endless orbital fashion, and has a structure in which a plurality of rods and connecting rings are coupled to each other.

The first power transmission unit 30 is a drive shaft 32 for converting the longitudinal drive force transmitted from the power take-off mechanism into a lateral drive force, and a V belt for transmitting the rotational force of the drive shaft 32 to the transfer chain 20. 34 and the pulley 36.

The second power transmission unit 40 is accommodated in the conveying chain 20 and a plurality of conveying shafts 42, which are rotatably coupled to the left and right plates 12, 14 of the frame 10, and the conveying shaft ( It consists of a drive sprocket 44 and a vibration sprocket 46 coupled to the outer periphery of the 42.

The driving sprocket 44 and the vibration sprocket 46 are formed with grooves 44a and 46a in which the rod outer circumferential surface of the transfer chain 20 is accommodated.

Since the driving force of the power take-off mechanism rotates in only one direction, the rotational direction of the transfer chain 20 also rotates in only one direction.

By the way, in such a conventional underground crop harvester, stones are often pinched due to the small structure of the gap between the front feed shaft 42 and the feed chain 20, and at this time, the worker has to stop the tractor and pull out by hand. There was this.

As another example of a conventional harvester, Korean Patent Publication No. 95-6815, "Tractor mounting excavator" is installed in parallel so that the left and right plates made of inner and outer plates face each other with a pair of frames interposed therebetween. On the upper surface of the left and right plates, a power transmission device for receiving rotational force from the power take-off shaft of the tractor is installed, and a preprocessing roller device and a chain drive device connected to the power transmission device are driven in front and rear of the left and right plates. On the other hand, at the position adjacent to the chain drive device, the collection device is installed via the inner plate of the left and right plates.

The frame has a pair of pipes placed horizontally, and the body is fixedly fixed to both ends of the pipe in a vertical direction. An upper bracket and a lower bracket are supported by a connecting rod inside the body, and the lower bracket and the upper bracket are It is supported by the connecting rod by the fastening portion.

In addition, the hydraulic cylinder is mounted on one side of the body can move the body in parallel in the longitudinal direction of the frame.

On the front inner surface of the left and right plates, long blades are provided for extracting underground crops, and a plurality of mud blades are arranged above.

Then, the transfer chain consisting of a plurality of support rods are installed in a sealed state between the inner and outer plates to have a structure that rotates in an infinite orbital manner.

The conventional excavator of such a structure is driven by receiving the driving force from the power take-off mechanism (P.T.O) of the tractor, it is impossible to reverse drive. This is because if the stone is caught between the transfer chain and the rotating shaft during the excavation work, there is a risk that the parts are damaged because the chain is overloaded. In addition, since the chain is integrated, there is a disadvantage in that the whole of the replacement work for repair in case of breakage of the chain must be replaced.

Conventional excavators also have small clearances between the front feed shaft and the transfer chain during the excavation work, and thus, stones are frequently jammed and become an enormous obstacle to the excavation work.

The present invention has been made to solve the above problems in view of the above, the object of the present invention is to provide a ground crop harvester that can be easily replaced and repaired parts, to prevent the occurrence of failure by preventing stone jams during excavation work There is.

1 is a perspective view showing a conventional underground crop harvester.

2 is a cross-sectional view showing an operating state of FIG.

Figure 3 is a perspective view showing a ground crop harvester according to the present invention.

Figure 4 is an enlarged perspective view of the main portion of the present invention.

5 is a perspective view showing a power generating unit of the present invention;

6 is a cross-sectional view schematically showing an operating state of the present invention.

Explanation of symbols on the main parts of the drawings

100: frame 110,120: left and right plates

130: bulkhead 140: plow blade

200: transfer chain portion 202: connecting rod

210,220: 1st and 2nd transfer chain

300: power generating unit 310: hydraulic motor

320: gear unit 330: drive shaft

400: power transmission unit 410: drive sprocket

420: vibration sprocket 430: bearing member

The present invention for achieving the above object is, in the ground crop harvester mounted on the rear of the tractor, the left and right symmetrical plate, the partitions arranged in parallel in the left and right plates, and a plow blade formed to be inclined downward in the front A frame; A transfer chain part rotatably installed in a space separated by the left and right plates of the frame and the partition wall, and having first and second transfer chains having both ends coupled to each other so that a plurality of connecting rods can be separated from each other; A power generator for applying a driving force to the transfer chain by hydraulic pressure generated by the driving force of the tractor; And a driving sprocket for providing the driving force transmitted from the power generating unit to the transfer chain portion, and a plurality of grooves provided in the outer periphery of the connecting rod on the outer periphery of the plurality of outer peripheries, the vertical and horizontal lengths of which are formed. It characterized in that it comprises a power transmission unit having a vibration sprocket eccentrically formed different from each other.

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

3 to 6, the ground crop harvester according to the present invention, the frame 100 is mounted to the rear of the tractor, etc., and the first and second are respectively independently installed on the inner surface of the frame 100 and rotated independently. A transfer chain unit 200 having transfer chains 210 and 220, and a power generation unit 300 for applying driving force to the transfer chain unit 200 by hydraulic pressure generated by the driving force of the tractor; It is composed of a power transmission unit 400 for giving a rotational force and up and down vibration to the transfer chain 200 with a driving force transmitted from the power generating unit 300.

The frame 100 is composed of right and left plates 110 and 120 which are symmetrical to each other, a partition wall 130 positioned at the center thereof, and a plow blade 140 formed to be inclined downward in front.

The conveying chain part 200 includes a pair of conveying chains 210 and 220 disposed in a space divided left and right by the left and right plates 110 and 120 and the partition wall 130 of the frame 100. Each of the transfer chains 210 and 220 has a structure in which a plurality of connecting rods 202 are formed to be bent such that both ends are hooked to each other.

The connecting rods 202 of the conveying chains 210 and 220 are preferably cut so that the lower surface is obliquely cut (cut by L of FIG. 4) at both ends of which at least one of them is bent, so that the thickness thereof is thinner than the other. , 220 is to facilitate the replacement.

The power generator 300 includes a hydraulic motor 310 driven by receiving hydraulic pressure from a power mechanism such as a tractor, and a gear unit 320 for transmitting the driving force of the hydraulic motor 310 to the drive shaft 330. . The drive shaft 330 is axially coupled to be interlocked with the gear unit 320 and has a structure that is axially supported by the left and right plates 110 and 120 to be rotatable. The gear unit 320 has a structure in which a gear engaged with a motor shaft of the hydraulic motor 310 is coupled to an end of the drive shaft 330.

The power transmission unit 400 is spaced apart from the driving sprocket 410 coupled to the outer circumference of the driving shaft 330 and the driving sprocket 410 by a suitable distance to the partition 130 and the left and right plates 110 and 120. A plurality of vibrating sprockets 420 rotatably installed and bearing members 430 installed on the front inner surface of the frame 100 to guide rotation of the transfer chains 210 and 220, respectively.

The driving sprocket 410 and the vibration sprocket 420, the transfer groove 410a and the groove 420a corresponding to the outer diameter of the connecting rod 202 of the transfer chain 210,220 are formed on the outer peripheral surface, respectively. The drive sprocket 410 has a detachable structure to facilitate component replacement, and the vibration sprockets 420 are formed to have different horizontal and vertical lengths so that the vertical vibration width is large when rotating.

Reference numeral 150 denotes a fixing bracket 150 for mounting at the rear of the tractor.

Referring to the operation of the present invention having such a configuration as follows.

When the fixed bracket 150 is attached to the rear of the tractor to be supported by three points, and then the tractor is driven, the plow blade 140 of the frame 100 spreads the crops hidden in the ground with the soil to the outside. The soil and other foreign matters to be raised will have a process that is separated through the rotating transport chain (210, 220).

Since the plow blade 140 is inclined downward, the frame 100 attached to the fixing bracket 150 transmits the ground crop to the transport chains 210 and 220 when the tractor is driven.

Subsequently, the hydraulic motor 310 is operated by the hydraulic force transmitted from the tractor to drive the gear unit 320 and the driving shaft 330, and the driving force is the rotational force to the transfer chains 210 and 220 through the driving sprocket 410. This transmission is to interlock the vibration sprocket 420 and the bearing member 430.

At this time, the driving sprocket 410 and the vibration sprockets 420 are rotated by receiving the connecting rods 202 of the transfer chains 210 and 210 in the transfer grooves 410a and the recesses 420a formed on the outer periphery, respectively. ) To give a rotational force. Here, the connecting rods 202 of the rotating conveying chains 210 and 220 are coupled to the grooves 420a of the upper and lower portions of the vibration sprockets 420. The vibration sprockets 420, on the other hand, have different lengths in the horizontal and vertical directions. Therefore, when the transfer chains 210 and 220 rotate, the connecting rods 202 move in the vertical direction. Thus, as shown in Figure 6, the transfer chain 210, 220 is moved while vibrating in the up and down direction to form an overall waveform. Due to the vibration of the transfer chains 210 and 22, foreign substances such as soil are separated from the crops and fall to the ground. On the other hand, the transfer chains 210 and 220 which vibrate in the up and down direction cause resonance and expand their amplitude. By this, the stones sandwiched between the connecting rods 202 are naturally dropped or move to the rear thereof and are discharged. In addition, the stones that are not removed by the vibration of the transfer chains 210 and 220 may be easily separated by rotating the hydraulic motor 310 in the forward and reverse directions.

On the other hand, the gear unit 320 of the power generating unit 300 may use a separate power transmission tool (chain, V belt, etc.) between the motor shaft of the hydraulic motor 310 and the gear of the gear unit 320.

As described above, the present invention relates to a ground crop harvester having an improved structure so as to prevent crushing during the excavation of underground crops and to facilitate replacement and repair work. Accordingly, the present invention has the following effects.

First, since it is easy to replace and repair the parts, the workability of maintenance management is improved.

Second, not only can the structure be prevented by omitting the components such as the front drive shaft, but also it can prevent the crushing phenomenon, and even if the stone gets stuck, the stone can be easily removed by operating the vibration or hydraulic motor of the transfer chain. .

Third, even if a part of the transfer chain is damaged, only the damaged part can be replaced, thereby reducing the cost of repairing parts.

Claims (5)

In the ground crop harvester mounted on the rear of the tractor, A frame 100 comprising a right and left plates 110 and 120 that are symmetrical to each other, a partition wall 130 disposed in parallel in the left and right plates 110 and 120, and a plow blade 140 formed to be inclined downward in front; First and second rotatably installed in the space separated by the left and right plates 110 and 120 and the partition wall 130 of the frame 100, the both ends are coupled so that a plurality of connecting rods 202 can be separated from each other A transfer chain part 200 having a transfer chain 210 and 220; A power generator 300 for applying a driving force to the transfer chain part 200 by hydraulic pressure generated by the driving force of the tractor; And A driving sprocket 410 for providing the driving force transmitted from the power generating unit 300 to the transfer chain 200, and a plurality of connecting rods 202 on the outer circumference of the frame 100. A ground crop harvester, characterized in that it comprises a power transmission unit (400) having a surface contactable groove (420a) and a vibrating sprocket (420) eccentrically formed with different vertical and horizontal lengths. delete delete delete The method of claim 1, At least one of the connecting rods (202) of the transfer chain (210, 220) is cut so as to have an inclination angle at both ends, the ground crop harvester, characterized in that the thickness is thinner than the other connecting rods (202).