The use and maintenance technology of straw returning machine

Mechanized straw returning technology is a time-saving, highly-efficient and environmentally-friendly advanced technology and is well received by farmers. In order to help the operators to use the straw to return the crops to the field and give full play to their performance, the knowledge on the use and maintenance of the straw returning machine will be introduced as follows:

I. Adjustment of straw smashing and returning machine before use

1. The installation of the universal joint must pay attention to three points: (1) It should be ensured that the square shaft, sleeve, and clamping fork are not top dead and have sufficient fitting length when the straw smashing and returning machine is working; (2) The universal joint must be installed Correctly, if the direction is incorrectly installed, audible noise will be generated; (3) When supporting with the Tigris-55 tractor, the support rod next to the cylinder should be changed to a flat iron so as to not affect the rotation of the universal joint.

The square shaft, the length of the square sleeve and the diameters of the main and the passive pulleys of the universal joint shall be different according to the size of the suspension mechanism of the tractor and the power output rotation speed, and the following table shall be used when purchasing and using.

Tractor model Square shaft length L Square sleeve length S Drive pulley diameter Passive pulley diameter (mm) (mm) (mm) (mm)
Shanghai - 50 300 200 272 272
Iron cattle-55/60 300 200 315 222
Dongfanghong-75/80 550 400 315 222

2. After connecting the returning machine to the tractor, the horizontal and vertical levels of the returning machine should be adjusted firstly, and the remaining height of the work should be adjusted. That is, the left and right diagonal pull rods of the tractor suspension mechanism should be adjusted to adjust the length of the tractor's upper pull rod to make it longitudinally close. Level.

3. The ground clearance of hammer claws or throwing knife should be adjusted as appropriate according to the degree of soil solidity, crop planting patterns and surface formation conditions.

4. Before operation, first check whether the components are in good condition, whether the fasteners are loosened, and add gear oil in the gear box. Generally, the oil surface height should be immersed in the oil surface by 1/3, and each lubrication part must be filled. butter.

5. After the inspection is completed, empty operation shall be carried out for 5-10 minutes. After confirming that all parts are in good operating condition, operations may be carried out.

Second, when using precautions

1, the operation should be first to return the field machine to hammer claw 20-25 cm from the ground height (lifting position can not be too high, so as to avoid excessive damage caused by joint eccentric angle) joint power output shaft, rotate 1-2 minutes, Hang up the work stop, slowly relax the clutch pedal (use Tieniu -55 when you need to use a second-level clutch), and operate the hydraulic lift adjustment handle, so that the field returning machine will be gradually reduced to the required stubborn height, and then increase the throttle, Put into normal operation.

2. Do not allow the hammer claw to hit the soil during operation to prevent infinite torque increase and cause malfunction. If you find hammers or slings to hit the soil, you should adjust the height of the ground or the length of the suspension rod on the tractor.

3. Turning the machine to the field should be improved during the turn, and landing after turning. When returning the field machine, it is necessary to pay attention to the stability when lifting and landing, prohibit backwards during work, and must cut off the power output after the tractor is transported on the road.

4, the operation should pay attention to clear the wrapped grass, avoid obstacles such as soil, tree stumps, land to stay 3-5 meters of the unit turning zone.

5. If abnormal noise is heard during operation, stop and check immediately, and continue the operation after troubleshooting.

6. The degree of tightness of the belt should be inspected at any time during the operation so as not to reduce the rotation speed of the cutter shaft and affect the crushing quality and increase belt wear.

Third, straw smashing field maintenance and maintenance

1. When the maintenance equipment is finished at the end of each year, the gearbox should be cleaned and the gear oil should be replaced. The butter should be filled once per shift (10 hours).

2. Remove the soil layer on the inner wall of the machine in time in order to avoid increasing the load and aggravate the abrasion of the hammer claw or the slanting knife.

3, replace the hammer claw or throwing knife should be replaced in groups to maintain the dynamic balance of the knife shaft, to the same group of hammer claw quality classification, the quality difference is not more than 25 grams, only the same quality hammer claw or throwing knife side Can be mounted on the same roller.

4. When replacing the two 53512 bearings of the roller, three M16 bolts (with a length of not less than 70 mm) can be used to lift the bearing out of the process disc at the rear of the bearing.

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