JPS6129239Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a weeding machine used when harvesting rapeseed, beans, and other crops.

Rapeseed, beans and other similar crops are
Depending on the planting density and growth conditions, the branches and stems of adjacent plants may become entangled with each other at the appropriate harvest time.

Therefore, when harvesting such as plucking and reaping, the plants to be processed become entangled with adjacent unprocessed plants and are difficult to separate, so when harvesting is done manually, It is extremely inefficient and requires a lot of labor, which is hard work.Also, even when cutting and harvesting is done by machine, the processing conditions are extremely poor and there is a lot of loss, and it is difficult to do the post-work efficiently. It cannot be processed.

Therefore, the present invention was implemented with the purpose of providing a weeding machine that can automatically eliminate the above-mentioned tangled state of crops at once and put the crop in a state where it can be reaped and harvested extremely efficiently. This is what I did.

The present invention will be described in detail below with reference to specific examples shown in the drawings.

Reference numeral 1 denotes a running vehicle body, which can be configured using the running part of an existing mobile agricultural machine or as a dedicated machine.
The vehicle is formed as a self-propelled vehicle with drive wheels 4, a control handle 5, etc. supported by the transmission, and a work implement connecting portion 6 is installed at the front of the vehicle body 1 , and a PTO shaft 7 is provided.

Reference numeral 8 denotes a weeding processing section, which has a vertically bifurcated shape 9a and 9b and can be attached to and detached from the working machine connecting section 6 of the traveling vehicle body 1 with a fixture 10 at the rear end of the branch base of the frame 9 facing in the front-rear direction. A counter shaft 13 is provided at the front of the mounting portion 11 and is connected to the PTO shaft 7 of the traveling vehicle body by a belt transmission mechanism 12, facing in the lateral direction of the vehicle body. .

At the front end of the lower frame portion 9b, there is provided a weeding body 1 having a caster-shaped gauge foil 14.
Install 5. This weed divider 15 includes a weed divider plate 17 formed by gradually widening a portion extending diagonally backward and upward from a sharp portion 16 at the bottom of the tip, and a weed divider plate 17 that extends laterally from the back side of the sharp portion of this weed divider plate. , and side draft inner members 18, 18 extending rearward so as to be located on the sides of the traveling vehicle body 1 .

The lower frame portion 9b of the rear side of the grass divider board 17 includes
Set up the cutting blade mounting stand 19, and attach this stand 1.
9, attach the fixed blade 21 of the reciprocating type cutting blade device 20 to the appropriate lower part using the fixing tool 22.

The cutting blade device 20 is installed vertically with the cutting edge positioned at the front, and the upper part thereof is
It is slanted so that it is slightly rearward than the lower part,
The upper portion of the fixed blade 21 is held in place by a mounting portion 23 installed at the tip of the upper frame portion 9a of the frame, and is held in the above-mentioned state by this mounting portion and the stand portion.

Thus, a cutting blade drive shaft 24 parallel to the counter shaft 13 is supported on the mounting portion 23, and both shafts 1
3 and 24 are interlocked and connected by a belt transmission mechanism 25 so that the cutting blade drive shaft 24 can be rotated, and a cutting blade crank 26 is fitted to the other end of the cutting blade driving shaft, and the driving pin 27 is engaged with the engagement groove of the knife head 29 of the sliding blade 28.

In addition, a receiving box 30 is positioned in the lower space created between the weeding body 15 and the front part of the driving wheel 4 of the traveling vehicle body 1 , and is detachably attached to a fixed member such as the frame 9 in a suspended state using a mounting tool 31. This is what I am trying to install.

Reference numeral 32 denotes a tension roller of the belt transmission mechanism 12, which is supported by a swingable support arm 33 and is driven by an inner 36 of a release wire 35 connected to an operating lever 34 installed on the handle portion 5 of the vehicle body 1 . This forms a tension clutch that is oscillated and connects and disconnects power to the belt transmission mechanism 12.

37 is a transmission mechanism that interlocks and connects the engine and the traveling transmission, 38 is a safety cover 39 of the belt transmission mechanism 12, is an outer stopper for the release wire 35, 40 is a PTO pulley, 41 is a passive pulley, 42 is a transmission pulley, and 43 is a transmission pulley. A cutting blade operating pulley, 44 is a mounting position adjusting hole for the cutting blade device drilled in the stand, 45 is a reinforcing member for connecting and reinforcing parts 9a and 9b of the frame, and 46 is a belt transmission mechanism supported by the reinforcing member. Tension roller, A,
A' indicates crops such as rapeseed, and B indicates the tangled parts of these crops.

Next, the operation of the weeding machine configured as described above will be explained.

When the engine 2 is started and the vehicle body 1 is moved forward, if the operating lever 34 is operated and the tension clutch is engaged, the power of the PTO shaft 7 is transferred to the belt transmission mechanism 12, the counter shaft 13, and the belt transmission mechanism 25.
The signal is transmitted to the cutting blade drive shaft 24 through the motor, and the shaft is rotated at a required speed.

This rotation operates the cutting blade crank 26,
The sliding blade 28 of the cutting blade device is reciprocated through engagement between the drive pin 27 and the knife head 29.

The machine that operates the cutting blade device 20 in this way is placed in a field where crops A and A' are planted as shown in FIG. If the crop is moved forward with the crop being positioned in the tangled part B, the grass divider 15 located at the front end of the machine will push out the crop from the base to both sides and divide it into left and right sides. 18 while expelling to the side.

At this time, the tangled part B of the crops A and A' is not easily separated, but the cutting blade device 20, which is installed in the vertical direction (vertical direction) and reciprocates immediately after the weeding body 15, Since the tangled part B is cut in the longitudinal direction, the process is carried out while separating it very easily and reliably, and the fallen objects such as rammed branches and stems that are generated by cutting are collected into the receiving box 30. There is no loss.

Therefore, when crop A is to be pulled out or harvested after cutting and weeding, it can be done smoothly, reliably, and evenly, since there is no tangle with the adjacent crop A'. It can be processed into a state of

As explained above, this invention
A reciprocating cutting blade device 20 is installed in the front part of the plant 1 so as to face vertically, and by operating the cutting blade device 20, branches and stems B, etc. that are entangled with the crops A and A' are cut and separated in advance. Because of this feature, when harvesting crops such as rapeseed, it has become possible to perform the work with low loss and in an orderly manner with high efficiency.

[Brief explanation of the drawing]

The drawings show a specific example of the present invention. Fig. 1 is an overall perspective view of the weeding machine of the invention, Fig. 2 is an enlarged perspective view of its main parts, and Fig. 3 is a perspective view of the weeding machine of the invention. A diagram of the transmission mechanism of the grass machine, and FIG. 4 is an explanatory diagram of its operation. 1 ... Traveling vehicle body, 4... Driving wheels, 5... Control handle, 7... PTO axis, 8 ... Grass division processing section,
13...Counter axis, 15...Dividing body, 20...
... Reciprocating type cutting blade device, 24 ... Cutting blade drive shaft, 3
0... Receiving box, 34... Operation lever.

Claims (1)

[Scope of utility model registration request] A reciprocating type cutting blade device is installed in the front part of the traveling vehicle body facing vertically, and the cutting blade device cuts and separates entangled branches and stems by the operation of the cutting blade device. Weeding machine for rapeseed etc.