CN203120434U - Double-disc manure spreader - Google Patents

Abstract

The utility model discloses a double-disc fertilizer spreader, which comprises a frame, a fertilizer box, a spreading amount adjustment device and a spreading driving device. Two fertilizer outlets are arranged at the bottom of the fertilizer box, and each fertilizer outlet All are equipped with a spreading rate adjusting device; a spreading plate is provided under each spreading rate adjusting device; the fertilizer spreading driving device includes a left transmission box, a power transmission box and a right transmission box installed on the bottom of the frame, The transmission box and the right transmission box are respectively connected to one of the spreading discs, and the power transmission box drives the respective spreading discs corresponding to the left transmission box and the right transmission box to rotate through the left transmission box and the right transmission box respectively. The utility model has the advantages of compact structure, convenient operation, reliable operation, high operation efficiency, uniform spreading and controllable spreading amount, which greatly improves the mechanized operation level of the grain field and improves the working conditions of farmers. It is equipped with a common agricultural tractor and can be widely used Wide and efficient fertilization and seeding operations in water and dry fields.

Description

double disc fertilizer spreader

technical field

The utility model relates to a field operation machine, in particular to a double-disc fertilizer spreader used for spreading fertilizer in paddy and dry fields.

Background technique

With the adjustment of the agricultural structure, the planting of rice, wheat and other crops has formed a large scale, so mechanized fertilization is widely used. At present, the fertilization operation is generally carried out by the outer groove wheel type and the auger type fertilizer spreader, but there are practical problems such as small width of fertilizer spreading, low operation efficiency, uneven fertilizer application, etc., which affect the effect of fertilization and fail to meet the needs of farmers. Requirements. The centrifugal spreader has the advantages of simple structure and high spreading efficiency. Using the centrifugal spreader to fertilize and sow seeds greatly reduces labor intensity and improves working conditions. However, the existing centrifugal spreaders have some disadvantages in structure, such as the Chinese patent "double disc centrifugal fertilizer spreader" (CN200420026622.3), the Chinese patent "a kind of fertilizer spreader" (CN200720091406.0), etc. The transmission mechanisms all adopt chain transmission, but the chain transmission has uneven movement, and the hinges of the chain are easy to wear, which makes the pitch larger and causes shedding. Therefore, the transmission is unstable, and the speed of the left and right spreading discs is different, which affects the uniformity of the spreading operation.

Contents of the invention

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a double-disc fertilizer spreader with stable transmission, compact structure, convenient operation, high work efficiency, uniform spreading and continuously adjustable spreading amount.

The purpose of this utility model is to realize through the following technical solutions:

A double-disc fertilizer spreader, including a frame, a fertilizer box, a spreading rate adjustment device and a spreading drive device, two fertilizer outlets are arranged at the bottom of the fertilizer box, and a spreading rate is set at each fertilizer outlet. Adjusting device; a spreading disc is provided under each spreading amount adjusting device; the fertilizer spreading drive device includes a left transmission box, a power transmission box and a right transmission box installed on the bottom of the frame, and the left transmission box and the right transmission box The boxes are respectively connected to one of the spreading discs, and the power transmission boxes drive the respective spreading discs corresponding to the left and right transmission boxes to rotate through the left and right transmission boxes respectively.

In the utility model, the left transmission box, the power transmission box and the right transmission box are installed side by side on the bottom of the frame in turn, and a pair of bevel gears, a power input shaft and a horizontal transmission shaft are arranged in the power transmission box. The above-mentioned power input shaft is externally connected to the power output shaft of the tractor; the two ends of the horizontal transmission shaft are reversely installed with the same size parameters and the active bevel gears are separately arranged in the left transmission box and the right transmission box. There are driven bevel gears meshed with the driving bevel gears in each transmission box, and a driven shaft is installed on each driven bevel gear; the driven shaft is connected with the spreading disc. After adopting this structure, the power output shaft of the tractor transmits the power to the spreading disc through the universal joint and the fertilizer spreading drive device, thereby driving the two spreading discs to rotate in opposite directions at the same speed, ensuring the uniformity of material (fertilizer, seed) spreading.

Further, the top end of each driven shaft protrudes into the fertilizer tank, and a fertilizer stirrer is installed on the top end of the driven shaft. In this way, with the rotation of the driven shaft, the agglomerated fertilizer particles are further broken up to make the fertilizer unloading smooth and avoid clogging.

Further, the fertilizer spreader also includes an adjusting handle and a horizontal connecting rod; the spreading amount adjusting device includes two adjusting connecting rods and a hopper control disc; the hopper control disc includes a fixed disc and a movable disc, and in the A plurality of first fertilizer leakage holes are opened on the fixed disk along the circumference, and second fertilizer leakage holes corresponding to the positions of the first fertilizer leakage holes are arranged on the movable disk; The rod is connected with the movable disk corresponding to the adjustment link; the adjustment handle and the two adjustment links are all fixed on the horizontal connection rod. With this structure, the adjustable handle can be moved to adjust the connecting rod to drive the movable plate to rotate, thereby controlling the opening of the discharge port to adjust the amount of fertilizer discharge.

Further, there are three first fertilizer leakage holes on the fixed plate.

Further, the spreading disk includes a fertilizer spreading disk and two fertilizer pushing plates; each fertilizer pushing plate is installed on the fertilizer spreading disk.

Further, five mounting holes for adjusting the mounting angle of the fertilizer pushing plate are provided on the fertilizing disc. In this way, the spreading speed can be adjusted by adjusting the installation angle of the fertilizer pushing plate, thereby increasing or decreasing the spreading width.

Further, an arc-shaped baffle plate is installed behind the spreading disc to prevent the fertilizer from being thrown backward.

Further, the fertilizer tank is a bucket-shaped fertilizer tank.

In the utility model, the whole machine is connected with the three-point suspension device of the agricultural tractor through the three-point suspension upper connecting ear and the lower connecting ear, and is pulled by the tractor to spread granular and powdery fertilizers or sow crop seeds (rice, wheat, etc.) in paddy and dry fields. wait).

The beneficial effects of the utility model are: the utility model is compact in structure, convenient in operation, reliable in operation, high in operation efficiency, uniform in spreading, and controllable in spreading amount, greatly improves the level of mechanized operations in grain fields, improves the working conditions of farmers, and is universal in matching The agricultural tractor can be widely used in water and dry fields for wide and efficient fertilization and seeding operations.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a schematic structural diagram of a spreading disc in an embodiment of the present invention;

Reference signs:

1-casters, 2-frame; 6-spreading disc, 7-outlet, 8-bucket fertilizer box, 18-hopper control panel, 19-protection bar, 20-fertilizer box bracket, 21-three-point suspension Connecting ear, 22-adjusting handle, 23-scale plate, 24-adjusting connecting rod, 25-spreader retainer, 26-connecting ear under three-point suspension, 28-fertilizer, 29-spreading disc, 30-the first One pushes the fat plate, 31-the second pushes the fat plate;

3-left transmission box, 4-second driven bevel gear, 5-second vertical driven shaft, 17-second driving bevel gear;

10-right transmission box, 12-the third driving bevel gear, 11-the third driven bevel gear, 9-the third vertical driven shaft;

13-power transmission box, 14-the first driving bevel gear, 15-the first driven bevel gear, 27-power input shaft, 16-horizontal transmission shaft.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Fig. 1, Fig. 2 and Fig. 3, a double-disc fertilizer spreader includes a frame 2, a protective bar 19, a fertilizer box support 20, a bucket-shaped fertilizer box 8, an adjustment handle 22, a horizontal connecting rod, two A spreading disc 6, a fertilizer spreading drive, and a fertilizer box support 20 are fixed on the top of the frame 2, and the fertilizer box 8 is fixed on the fertilizer box support 20, and the protective bar 19 is installed in front of the fertilizer box support 20; the bottom of the fertilizer box 8 There are two fertilizer outlets 7, below the fertilizer outlet 7 there is a spread rate adjustment device, and the spread rate can be freely adjusted by moving the adjustment handle 22; two spread discs 6 are located below the spread rate adjustment device; casters are installed on the frame 2 1.

Above-mentioned driving device for spreading fertilizer comprises the left transmission box 3, the power transmission box 13 and the right transmission box 10 that are installed side by side on the bottom of frame 2 successively, in the power transmission box 13, be provided with a pair of mutually meshing first driving bevel gear 14 and First driven bevel gear 15, power input shaft 27, horizontal transmission shaft 16, described power input shaft 27 externally connects tractor power output shaft; In the left transmission case 3, be provided with a pair of the second driving bevel gear 17 and the second that mesh with each other Two driven bevel gears 4, the second vertical driven shaft 5; a pair of intermeshed third driving bevel gear 12, the third driven bevel gear 11, and the third vertical driven shaft 9 are provided in the right transmission case 10; The second driving bevel gear 17 has the same size parameters as the third driving bevel gear 12 and is installed on both ends of the horizontal transmission shaft 16 in reverse; the second vertical driven shaft 5 and the third vertical driven shaft 9 are respectively connected to a spreading disc 6 The second vertical driven shaft 5 and the 3rd vertical driven shaft 9 tops stretch in the fertilizer case 8 and the fertilizer stirrer 28 is installed on the top of each driven shaft, so that the fertilizer particles of agglomeration can be further smashed, and the fertilizer The fall is smooth.

The power output shaft of the tractor drives the power input shaft 27 through the universal joint, and then transmits the power to the horizontal transmission shaft 16, and then at the same time through the meshing of the second driving bevel gear 17 and the second driven bevel gear 4, and the third driving bevel gear. The engagement of the bevel gear 12 and the third driven bevel gear 11 drives the second vertical driven shaft 5 and the third vertical driven shaft 9 respectively, thereby driving the spreading disc 6 and the fertilizer stirrer on each driven shaft to rotate. The second driving bevel gear 17 has the same size parameters as the third driving bevel gear 12 and is installed oppositely at both ends of the horizontal transmission shaft 16. The second driven bevel gear 4 is the same as the third driven bevel gear 11. The size parameters are the same, and the direction of rotation is opposite. Then the steering of the two spreading discs 6 is opposite and the rotating speed is the same, which ensures that the material is evenly sprinkled to the outside.

The spreading disc 6 includes a spreading disc 29 , a first fertilizer pushing plate 30 , and a second fertilizer pushing plate 31 . The spreading disk 29 is in an inverted cone shape to reduce the falling loss of seeds or fertilizer particles. The first fertilizer pushing plate 30 and the second fertilizer pushing plate 31 with different lengths are respectively connected to the spreading disk 29 by a set of bolts. At the back of each of the spreading discs 6, an arc-shaped baffle plate 25 that prevents the fertilizer from being thrown backwards is installed. In order to adapt to the width variation of different sowing operations, five mounting holes are provided on the sowing disc 29, and the installation angles of the first fertilizer pushing plate 30 and the second fertilizer pushing plate 31 can be adjusted according to specific requirements to adjust the spreading speed, thereby Increase or decrease the spreading width.

The spreading amount regulating device comprises an adjusting connecting rod 24 and a hopper control panel 18 . The hopper control panel 18 comprises a fixed disc and a movable disc, and the fixed disc is provided with 3 fertilizer leakage holes in the circumferential direction, and the movable disc is provided with fertilizer drain holes corresponding to the fertilizer drain holes of the fixed disc. The adjustment handle 22 is hinged with the adjustment link 24, and the adjustment link 24 is hinged with the movable plate. The adjustment handle 22 and the two adjustment links 24 are all fixed on the horizontal link. By moving the adjustment handle 22, the adjustment link 24 drives the movement. When the disc rotates, the adjustment handle 22 is positioned with the scale plate 23 on the frame 2 through the positioning pin, and the openings of the two fertilizer outlets 7 can be adjusted simultaneously to adjust the amount of fertilizer discharge.

When carrying out sowing operations, the double-disc fertilizer spreader is connected to the three-point suspension device of the agricultural tractor through the three-point suspension upper connection ear 21, the three-point suspension lower connection ear 26, and the fertilizer is loaded into the fertilizer box 8. , by moving the adjusting handle 22 to adjust the opening of the discharge port 7, the fertilizer will fall to the spreading disc 6 through the fertilizer discharge port by its own weight; the power of the tractor is transmitted to the vertical driven shaft through the universal joint and the transmission box; Rotating at a certain speed, the fertilizer particles are thrown outwards under the action of its own centrifugal force and the thrust of the fertilizer pushing plate.

Compared with the prior art, the utility model has the advantages of compact structure, stable transmission, reliable operation, large sowing amount, high operation efficiency, uniform spreading, controllable sowing amount, matching general-purpose agricultural tractors, and can be widely used in water and dry fields. Efficient fertilization and seeding operations.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (9)

1. A double-disc fertilizer spreader is characterized in that it comprises a frame, a fertilizer box, a spreading rate regulating device and a spreading drive device, two fertilizer outlets are arranged at the bottom of the fertilizer box, and each fertilizer outlet Spreading rate adjustment devices are provided at all places; spreading discs are provided below each spreading rate adjustment device; the fertilizer spreading drive device includes a left transmission box, a power transmission box and a right transmission box installed on the bottom of the frame. The left transmission box and the right transmission box are respectively connected to one of the spreading discs, and the power transmission box drives the respective spreading discs corresponding to the left transmission box and the right transmission box to rotate through the left transmission box and the right transmission box respectively. 2. The double-disc fertilizer spreader according to claim 1, characterized in that, the left transmission box, the power transmission box and the right transmission box are installed side by side on the bottom of the frame in sequence, and a pair of Bevel gears, power input shafts, and horizontal transmission shafts that mesh with each other. The power input shaft is externally connected to the power output shaft of the tractor; the two ends of the horizontal transmission shaft are installed in opposite directions with the same size parameters and are separately arranged in the left transmission box and the right transmission box. The driving bevel gear is also provided with a driven bevel gear meshed with the driving bevel gear in each transmission box in the left transmission box and the right transmission box, and a driven shaft is installed on each driven bevel gear; The moving shaft is connected with the spreading disc. 3. The double-disc fertilizer spreader according to claim 2, characterized in that, the top of each driven shaft extends into the fertilizer box, and an agitator is installed on the top of the driven shaft. Fertilizer. 4. The double-disc fertilizer spreader according to claim 1, characterized in that, the fertilizer spreader also includes an adjustment handle and a horizontal connecting rod; the spreading amount adjustment device includes two adjustment connecting rods and a hopper control panel The hopper control plate includes a fixed plate and a movable plate, and a plurality of first fertilizer leakage holes are provided on the fixed plate along the circumferential direction, and a plurality of first fertilizer leakage holes are arranged on the movable plate corresponding to the positions of the first fertilizer leakage holes. The corresponding second fertilizer leakage hole; the adjustment handle is connected to the movable plate corresponding to the adjustment connecting rod through one of the adjustment connecting rods; the adjustment handle and the two adjustment connecting rods are all fixed on the horizontal connecting rod. 5. The double disc fertilizer spreader according to claim 4, characterized in that there are three first fertilizer leakage holes. 6. The double-disc fertilizer spreader according to claim 1 or 2, characterized in that, each of the spreading discs comprises a fertilizer spreading disc and two fertilizer pushing plates; each fertilizer pushing plate is installed on the Spread the fertilizer on a disc. 7. The double-disc fertilizer spreader according to claim 6, characterized in that five mounting holes for adjusting the installation angle of the fertilizer pushing plate are provided on the fertilizer spreading disc. 8. The double-disc fertilizer spreader according to claim 1 or 6, characterized in that an arc-shaped baffle plate is installed behind each of the spreading discs to prevent the fertilizer from being thrown backward. 9. The double-disc fertilizer spreader according to claim 1, wherein the fertilizer tank is a bucket-shaped fertilizer tank.