JPS6133847Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a rear cover structure of a rotary cover in a rotary work machine.

A typical rotary work machine is configured to have a soil plate removably attached to the rear of the rotary part so that the rotary part can perform not only simple plowing work but also ridge work. In addition, when creating ridges using this soil plate, the ridges may be made higher or lower depending on the type of crop, and if the ridges are to be formed low, the rear cover must be lowered. However, in this case, in the past, when attempting to lower the rear cover, it would interfere with the soil plate and prevent it from lowering, making it impossible to lower the ridge.

Therefore, in this proposal, a notch is formed in the rear cover to prevent interference with the soil plate, so that low ridge work can be done. By leaving only the open hole left and closing this notch, the scattering of cultivated soil from the notch can be prevented, and when ridge-building work is not performed, the open hole is also closed to prevent the scattering of cultivated soil. It is intended to be completely prevented.

The invention will be described below based on embodiments shown in the drawings.

A is a rotary work machine connected to the rear of tractor 1 as a towing vehicle, and is connected to the PTO shaft 2 of tractor 1.
The rotational power from is transmitted via a transmission shaft 3 to a rotary main shaft 4 installed horizontally at the front of the machine body, and from the rotary main shaft 4 to a rotary shaft 7 in a rotary section 6 via a transmission chain 5. The rotary shaft 7 is rotated while the rotary claws 8 are used to plow the soil. Nao 9,9′
10 is a connecting hitch, 10 is a lift arm, 10' is a lift rod, 11 is a plowing depth adjustment frame extending rearward from the front of the machine body, and 12 is a tail wheel supported at the tip of the frame 11.

Reference numeral 13 denotes a soil cultivation plate which is attached to the rotary working machine A during ridge-building work, and the supporting rods 13' extending upward are connected to the plowing depth adjustment frame 11.
It is inserted into a mounting tube 14 provided in the main body and is attached with a bolt 15.

Further, 16 is a rotary cover that covers the rotary part 6, an upper plate cover 16a, and this upper plate cover 16.
Side covers 16a, 1 to be attached to both left and right sides of a
6b, and the front end is pivoted to the rear of the upper plate cover 16a 1
Rear cover 16c extended rearward while
It is made up of.

Reference numeral 18 denotes a notch formed in a substantially V shape from the rear end to the middle in the center of the rear cover 16c, and this notch 18 prevents interference between the rear cover 16c and the soil plate 13 when the rear cover 16c is in a lowered state. It is designed to be formed to a size that is not large.

19 is a bolt 2 attached to the inner surface of the rear cover 16c.
This is a substantially trapezoidal notch cover that is removably attached by a screwdriver.
With the notch 18 attached, an open hole 21 is formed in the inner corner of the notch 18 and the notch 18 is closed.

A hole cover 22 is detachably attached to the outer surface of the rear cover 16c with bolts 23, and the open hole 21 is closed in the attached state.

Note that the reference numeral 24 in the figure is a hanger rod for vertically adjusting the rear cover 16c.

Therefore, when performing ridge raising work using the soil plate 13, this soil plate 13 is attached to the rear of the rotary section 6. In this case, in order to form the ridges high, leveling work is performed with the rear cover 16c raised, but at this time, only the hole cover 22 is removed while the notch cover 19 is left attached, and the opening hole is removed. 21 is exposed, and when the support rod 13' is inserted into the open hole 21 and the soil plate 13 is attached, the notch 18 remains closed by the notch cover 19. This prevents the tilled soil from scattering from the notch 19.

Also, when forming the ridges low, use the rear cover 16.
Leveling work is done with c lowered,
At this time, if the notch cover 19 is removed together with the hole cover 2 to open the notch 18, the rear cover 16c can be lowered without interfering with the soil plate 13, which allows the ridge to be formed at a low level. be.

Incidentally, during simple tillage work, this soil plate 13 is removed, but in this case, the cover 22 and notch cover 19 are attached to the rear cover 1.
6c and completely close this notch 18, scattering of cultivated soil from the rotary part 6 can be completely prevented.

As described above, according to the present invention, the rear cover can be lowered by the notch without interfering with the soil plate when working on raising low ridges, and also prevents soil from scattering from the notch when working on raising high ridges. There is an effect that it can be done. In addition, the notch is completely closed except for ridge-building work, and there is an effect that scattering of cultivated soil can be completely prevented.

[Brief explanation of the drawing]

FIG. 1 is an overall side view of the rotary working machine with a soil plate installed, FIG. 2 is a plan view of the rear cover, and FIG. 3 is a plan view of the rear cover with the hole cover removed. A: Rotary work machine, 1: Tractor, 6: Rotary part, 13: Cultivating soil plate, 13': Support rod, 16:
Rotary cover, 16c: Rear cover, 18: Notch, 19: Notch cover, 21: Open hole, 2
2: Hole cover.

Claims (1)

[Scope of utility model registration request] A notch 18 is formed from the rear end of the rear cover 16c to the middle to prevent the rear cover 16c from interfering with the soil plate 13.
A notch cover 19 for closing the notch 18 is removably provided on one side of the rear cover 16c so that an open hole 21 is formed in the inner corner of the rear cover 16c, and the open hole 21 is formed on the other side of the rear cover 16c. A rear cover structure for a rotary cover, characterized in that a hole cover 22 that closes is detachably provided.