JPH023687Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is a system in which the front end of the underframe of a fertilizing and seeding machine is removably fitted onto the main shaft that is horizontally mounted on the frame of the fertilizing and seeding machine and drives and rotates. This relates to a seeding machine attachment device for a fertilizing seeding machine.

(Prior Art) A conventional seeding machine attachment device for this type of fertilizing and seeding machine is disclosed in Japanese Utility Model Application Publication No. 105814/1983.

(Problem to be solved by the invention) In the seeding machine mounting device of the conventional fertilizing and seeding machine mentioned above, the split metal at the front end of the seeding machine frame that is removably fitted to the main shaft on the machine frame of the fertilizing and seeding machine is The front opens and closes. Therefore, when removing the seeding machine from the main shaft, the seeding transmission chain that connects the main shaft and the input shaft of the seeding machine will not loosen much even if the split metal is opened. The sowing machine cannot be removed from the main shaft unless the bolts fixing the chain wheel on the input shaft are loosened and the chain wheel is removed from the input shaft of the sowing machine while the sowing transmission chain is still engaged. Furthermore, when attaching the seeding machine to the main shaft, the operation must be performed in the opposite manner to the above, and it takes time and effort to attach and detach the seeding machine to the main shaft, resulting in a problem in that it is inconvenient to handle.

(Means for solving the problem) Therefore, in order to solve the above problem, this invention attaches a split metal 2 that opens and closes at the rear to the front end of the underframe 1 of the seed sowing machine a, and the split metal 2 is fitted onto the main shaft 4 on the machine frame 3 and removably closed and fixed with a fixing bolt 6 with a handle 5.

(Function) When removing the seeding machine a from the main shaft 4, unfasten the split metal 2 from the fixing bolt 6 with the handle 5, open the split metal 2 , and remove it from the main shaft 4.
After that, if the sowing machine a is moved slightly forward, that is, in the direction in which the sowing transmission chain 11, which is passed between the main shaft 4 and the chain wheels 9, 10 of the input shaft 8 on the sowing box 7 of the sowing machine a, loosens, the sowing transmission chain 11 is loosened. 11 and seeding machine a are removed.

On the other hand, when attaching the sowing machine a to the main shaft 4, contrary to the above, the sowing transmission chain 11 is attached to the chain wheels 9 and 10.
Move the sowing machine a slightly backward, that is, in the direction in which the sowing transmission chain 11 is tensioned, and fit the split metal 2 at the front end of the underframe 1 of the sowing machine a onto the main shaft 4, and then When closed and fixed with the fixing bolt 6 with the handle 5, the seeding transmission chain 11
The seeding machine a is installed.

(Example) The drawing shows a multi-row fertilization seeding machine according to an embodiment of this invention, and its structure will be explained with reference to the drawing.
The top and bottom of a triangular mounting frame 12 fixed above the center of the front end of the machine frame 3 of the multi-row fertilization seeding machine are connected to a three-point link hitch 13 of a tractor (not shown), The main shaft 4 is rotatably mounted horizontally.

b shows several fertilizer applicators arranged side by side in the left and right direction at the front of the machine frame 3, 14 is a fertilizer tank of the fertilizer applicator b, and inside the bottom there is a rotating shaft 15 (not shown) for rotary agitation. Provide a splash body. Reference numeral 16 indicates a fertilizer application groove cutter disposed below the fertilizer tank 14; 17 indicates a fertilizer drop gutter arranged vertically with its upper opening facing the rear of the delivery port of the fertilizer tank 14; its lower end is connected to the fertilizer application groove cutter 16
Facing inside the rear of the

The seeding machine a is arranged behind each fertilizer applicator b. 18 is the main body of the split metal 2 , which has a through hole 19 in its rear part, a mounting piece 20 protruding from the rear part, a circumferential groove 21 in the center of the lower bearing surface, and a protruding piece 2 in the center of the front end.
2 are provided respectively. 23 is a cap of the split metal 2 , and a recess 24 formed in the center of its front end is fitted into the protruding piece 22 of the main body 18, so that the front end is attached to the main body 1.
The cap 23 is pivotally connected to the front end of the cap 8 by a horizontal shaft 25 so as to be openable and closable, and has a circumferential groove 26 in the center of the upper bearing surface of the cap 23.
Screw holes 27 are provided at the rear end, and the handle 5
Insert the fixing bolt 6 into the through hole 19 and screw hole 27
This constitutes a split metal 2 that is screwed together to open and close at the rear. Then, the mounting pieces 20 of the main body 18 of the split metal 2 are superimposed on the front ends of both side rods of the underframe 1, and are fastened and fixed with bolts and nuts 28 inserted into the through holes. Reference numeral 29 denotes a retaining ring that is slidably fitted to the main shaft 4 inside the split metal 2 , and the main shaft 4 is secured by a tightening bolt 30 threaded into the threaded hole of the retaining ring.
Fixed to.

Reference numeral 31 denotes a dish-shaped soil-covering disk which is arranged under the front of the underframe 1 in a V-shape that expands at the front when viewed from above and is rotatably supported. The sowing box 7 is attached to the middle part of the underframe 1, and a seed tank 32 is attached on top of the sowing box 7. Although not shown, inside the sowing box 7 is an input shaft 8 horizontally suspended on the front part of the sowing box 7. A seed dispensing disk which is driven and rotated from the seed box is housed, and a seeding groove cutter 33 is provided below the sowing box 7, so that the lower mouth of the seed drop gutter 34 of the seeding box 7 faces into the rear of the seeding groove cutter 33. 35 is the soil covering metal on both sides placed behind the sowing box 7, and 36 is the underframe 1.
This is a pressure roller rotatably supported on the rear end of the roller.

37 is a wheel pivotally supported on both sides of the middle part of the machine frame 3;
The axle 38 and the main shaft 4, and the main shaft 4 and the rotating shaft 15 are connected by chain transmission mechanisms 39 and 40, respectively. 41 is a saddle provided on the rear part of the machine frame 3.

Next, its effect will be explained. To attach the seeding machine a to the main shaft 4 of the machine frame 3, open the split metal 2 as shown in Fig. 4, and attach the main bodies 18 of the split metal 2 on both sides of the seeding machine a to the main shaft at the rear of each fertilizer applicator b. 4 on the main shaft 4 at the outer side of the both side retaining rings 29. Therefore, the transmission chain 11 is hooked around the chain wheels 9 and 10, and then the sowing machine a is moved slightly backwards, and the main body 18 of the split metal 2 is attached to the main shaft 4.
After engaging the cap 23, lift the cap 23 and remove the main body 1.
When the fixing bolt 6 inserted through the through hole 19 of 8 is screwed into the screw hole 27 of the cap 23 using the handle 5, the transmission chain 11 is tensioned and the split metal 2 is held in the closed state as shown in FIG. spindle 4
The seeding machine a is attached to the rear of the fertilizer application machine b to form a fertilizer application and seeding machine.

Therefore, when the machine is put into the field, fertilizer is put into the tank 14 and seeds are put into the sowing box 7 from the tank 32, and the tractor is started to move forward, the wheels 37 touch the ground. The main shaft 4 rotates within the split metal 2 from the axle 38 via the transmission mechanism 39, and the main shaft 4 rotates from the main shaft 4 to the transmission mechanism 4.
0. At the same time, the agitating spouting body in the tank 14 is driven through the rotating shaft 15, and at the same time, the feeding disk in the sowing box 7 is driven from the chain wheel 9 of the main shaft 4 through the transmission chain 11, the chain wheel 10, and the input shaft 8. Drive.

Therefore, the fertilizer in the tank 14 is gradually stirred by the agitation splasher and splashed into the drop gutter 17, and the fertilizer flows down from the lower end of the drop gutter 17 into the fertilization groove made by the groove cutter 16. After that, the fertilization groove is covered with soil using a subsequent soil covering disk 31. on the other hand,
The seeds in the sowing box 7 are sequentially fed into the drop gutter 34 by a feeding disk, and the seeds are sown by falling from the lower end of the drop gutter 34 into the seeding groove made on the covered soil with the groove cutter 33, After that, the seeding furrow is covered with subsequent soil covering metals 35 on both sides, and the rollers 36
fertilization and seeding work is completed.

To remove the seeding machine a from the fertilizing and seeding machine, screw out the fixing bolts 6 of the split metals 2 at the front ends of both sides of the seeding machine a from the screw holes 27 of the cap 23 using the handle 5, and then remove the cap. 23 rotates down using the horizontal shaft 25 as a fulcrum, and the split metal 2 moves to the fourth
Open as shown. Therefore, if the front end of the seeding machine a is then lifted, the split metal 2 will be detached from the main shaft 4, and the seeding machine a will be separated from the main shaft 4. Thereafter, when the sowing machine a is moved slightly forward, the transmission chain 11 will loosen and be removed from the chain wheels 9 and 10.

(Effects of the invention) This invention has the following remarkable effects because the seeding machine mounting device for the fertilizing seeding machine is configured as described above.

(1) Open the split metal at the front end of the seeding machine, and after passing the seeding transmission chain between the chain wheel on the main shaft and the chain wheel on the input shaft of the seeding machine, move the seeding machine slightly backwards and open the main body of the split metal. By engaging with the main shaft, and then closing the cap and closing and fixing the split metal with a fixing bolt with a handle, the seeding transmission chain is tensioned and the seeding machine is attached to the main shaft. On the other hand, if you operate the fixing bolt with handle in the opposite direction to the above, open the split metal, and move the seeding machine slightly forward, the seeding transmission chain will loosen, so remove the transmission chain from the chain wheel of the input shaft of the seeding machine and sow. The machine can be separated from the main shaft. Therefore, unlike conventional methods, there is no need to attach or remove the chain wheel on which the sowing transmission chain is attached to the input shaft of the seeding machine, and the attachment and detachment of the seeding machine to the main shaft can be done using tools. This can be done easily and quickly without requiring additional steps, which is convenient in practice.

(2) It has a simple structure, can be manufactured easily and inexpensively, operates light and smoothly, and is securely and firmly fixed.

[Brief explanation of drawings]

FIG. 1 is a side view of a multi-row fertilization seeding machine according to an embodiment of the invention, and FIG. 2 is an enlarged front view of the attachment part of the same seeding machine, with the middle part cut away. FIG. 3 is a side view of the split metal in a closed state, and FIG. 4 is a side sectional view of the same split metal in an open state. a...Seeding machine, 1...Underframe, 2 ...Split metal, 3...Machine frame, 4...Main shaft, 5...Handle,
6...Fixing bolt, 18...Body, 19...Through hole, 20...Mounting piece, 23...Cap, 25...
...horizontal axis, 27...screw hole, 29...retaining ring.

Claims (1)

[Scope of utility model registration request] The vertically opposing main body and the front end of the cap are pivotally connected by a horizontal shaft so as to be freely openable and closable, and a fixing bolt with a handle inserted through a through hole at the rear of the main body is removably screwed into a threaded hole at the rear of the cap. A mounting piece is protruded from the rear of the main body to form a split metal, and the rear mounting piece of the main body of the split metal is attached to the front end of the underframe of the seeding machine, and the main shaft is mounted horizontally on the machine frame and driven. The above-mentioned split metal is removably fitted, and a retaining ring that locks the split metal is fixed to the main shaft.
A seeding machine mounting device for a fertilizing and seeding machine, which comprises a sowing transmission chain that extends between a chain wheel on an input shaft on a sowing box attached to the underframe of the seeding machine and a chain wheel on the main shaft.