Seeder is used in municipal garden
Technical Field
The invention relates to a seeding device, in particular to a seeding device for municipal gardens.
Background
The road is an infrastructure for various trackless vehicles and pedestrians to pass through in terms of word meaning; the road is divided into a road, an urban road, a rural road, an industrial road, a forestry road, an examination road, a competition road, an automobile test road, a workshop channel, a school road and the like according to the use characteristics of the road, and the ancient China also has a post road. It also refers to the way to achieve a certain goal, the way things develop, change.
The two sides of the road need to be planted with some flowers and plants to achieve the effect of beautifying the environment, and the planting of the flowers and plants needs to be seeded with seeds sometimes, so that a seeding device is needed. At present, the seeder in the market rarely possesses the function of screening to lead to the soil the inside that some bad seeds also sowed, these bad seeds are difficult for surviving, thereby reduced the survival rate of flowers and plants, need the workman to reseed the seed once more, thereby brought the inconvenience for workman's work.
Disclosure of Invention
The invention provides a seeding device for municipal gardens, which has the advantages that seeds can be screened, the situation that the germination rate of planted plants is low is avoided, the seeding, soil covering and water spraying can be directly performed through the seeding device, and labor can be saved.
In order to solve the technical problem, the invention relates to a seeding device, in particular to a seeding device for municipal gardens.
The power device I is composed of a motor I, a motor bracket I, a rotating rod I, a pin, a rotating rod II and a circular hole; the motor I is fixed on the motor bracket I through a bolt; a rotating shaft I of the motor I is connected with a rotating rod I through a key; round holes are formed in the rotating rod I and the rotating rod II; the upper end of the rotating rod I is movably connected with a rotating rod II through a pin;
the seed selecting box comprises a box body, a sliding chute I, a sliding block I, a door, a screen, a sliding plate, a sliding block II, a sliding chute II and a sliding chute III; the top end of the box body is hollow; the sliding groove I is arranged on the inner wall of the box body; the sliding groove II is arranged on the other side of the box body and penetrates through the side wall of the box body; the sliding groove III is arranged inside the side wall of the box body, and the sliding groove III is communicated with the sliding groove II; the sliding block I is fixedly connected to the right side of the screen mesh through adhesion; the sliding block II is fixedly connected to the left side of the screen mesh through adhesion; the sliding plate is fixedly connected to the upper part and the lower part of the sliding block II through adhesion; the sliding block I is in clearance fit with the sliding groove I; the sliding block II is in clearance fit with the sliding groove II; the sliding plate is in clearance fit with the sliding groove III;
the blocking device is composed of a motor II and a turntable; a rotating shaft of the motor II is connected with a rotating disc through a key;
the rotary table consists of a rotary table main body, a rectangular groove, an arc-shaped groove, a movable stop block and a spring I; the upper end of the turntable main body is provided with four arc-shaped grooves and rectangular grooves at intervals; the movable stop block is in clearance fit with the arc-shaped groove; one end of the spring I is fixedly arranged in the arc-shaped groove, and the other end of the spring I is fixedly arranged on the movable stop block;
the movable stop block consists of a sliding cylinder, a hemispherical sliding block, a groove and a spring II; a groove is formed in the sliding cylinder; the hemispherical sliding block is in clearance fit with the groove; the lower end of the spring II is fixedly arranged at the bottom end of the groove, and the upper end of the spring II is arranged at the lower end of the hemispherical sliding block; the sliding cylinder is in clearance fit with the arc-shaped groove;
the seeding device consists of a conical cylinder, a baffle, a cylinder I, a cylinder II, a chute IV, a connecting block and a through hole; a cylinder I is fixedly connected to the opening at the lower end of the conical cylinder through bonding; a baffle is arranged at the joint of the cylinder I and the conical cylinder; the baffle is movably connected to the opening at the bottom end of the conical barrel through a hinge; the cylinder II is positioned inside the cylinder I, and is in clearance fit with the cylinder I; the sliding chute IV is arranged on the side surface of the cylinder I; one end of the connecting block penetrates through the sliding groove IV and is fixedly connected to the cylinder II, and the connecting block is in clearance fit with the sliding groove IV; the through hole is formed in the lower end of the cylinder II;
the power device II comprises a pressure plate, a rod I, a rod II, a disc I, a transmission wheel, a motor III, a motor bracket II, a transmission belt, a shaft, a disc II, a rod III and a rod IV; the motor III is fixedly connected to the motor bracket II through a bolt; the disc I is connected to a rotating shaft of the motor III through a key; one end of the rod II is movably connected to the eccentric position of the disc I, and the other end of the rod II is movably connected with the rod I; the bottom end of the rod I is movably connected with a pressing plate through a hinge; the two transmission wheels are arranged, one transmission wheel is connected to a rotating shaft of the motor III through a key, the other transmission wheel is connected to the shaft through a key, and a transmission belt is sleeved on the outer sides of the two transmission wheels; the shaft is arranged at the position, close to the bottom end, of the motor support II through a bearing, and the other end of the shaft is connected with a disc II through a key; one end of the rod III is movably arranged at the eccentric position of the disc II, and the other end of the rod III is arranged on the rod IV;
the wheels are arranged at the lower end of the base; the upper end of the base is sequentially provided with a power device I, a seed selecting box, a water tank, a soil covering box, a power device II and a seeding device from left to right; the motor bracket I is fixedly connected to the left side of the base through welding; the seed selecting box is placed at the upper end of the base, and the sliding block II is in clearance fit with the round hole; the water tank is placed on the base, and an opening at the lower end of the water tank penetrates through the base; the earthing box is placed on the base, and an opening at the lower end of the earthing box penetrates through the base; the motor bracket II is fixedly connected to the base through welding; the pressing plate is in clearance fit with the soil covering box; the cylinder I penetrates through the base, and part of the cylinder I is exposed out of the lower end of the base; the rod IV is matched with the connecting block; the blocking device is arranged on the side surfaces of the water tank and the soil covering box, and the turntable is positioned at the lower end of the base; the hemispherical slide block is in clearance fit with the water tank and the opening at the lower end of the soil covering box; the hanging ring is connected to the right end of the base through welding; one end of the conveying plate is connected to the lower end of a door on the box body through a bolt, and the other end of the conveying plate is located at the upper end of the conical barrel.
As a further optimization of the technical scheme, the distance from the rotating shaft of the motor II to the lower end port of the water tank of the seeding device for the municipal garden is equal to the distance from the rotating shaft of the motor II to the lower end port of the soil covering box.
As a further optimization of the technical scheme, the lower end of the cylinder II of the seeding device for the municipal garden is provided with the inclined plane.
As a further optimization of the technical scheme, the seeding device for the municipal garden is provided with four rectangular grooves, four arc-shaped grooves, four movable stop blocks and four springs I.
The seeding device for the municipal garden has the beneficial effects that:
the seeding device for the municipal garden can screen seeds, avoid the situation that the germination rate of the planted plants is low, and can be used for directly performing operations of seeding, soil covering and water spraying, so that labor can be saved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic front view of a seeding apparatus for municipal gardens according to the present invention.
FIG. 2 is a schematic top view of a seeding apparatus for municipal gardens according to the present invention.
FIG. 3 is a schematic structural view of a power device I of the seeding device for the municipal garden.
FIG. 4 is a schematic view of a seed selection box of the seeding device for municipal gardens.
FIG. 5 is a schematic view showing the structure of a stopping device of a seeding device for municipal gardens.
FIG. 6 is a schematic view of the structure of a turntable of a seeding device for municipal gardens.
FIG. 7 is a schematic view showing the structure of a movable stop of the sowing device for municipal gardens.
FIG. 8 is a schematic view of the structure of a seeding apparatus of the seeding apparatus for municipal gardens.
FIG. 9 is a schematic structural view of a power unit II of the seeding device for municipal gardens.
In the figure: a power device I1; 1-1 of a motor; 1-2 parts of a motor bracket; rotating rods I1-3; 1-4 of a pin; rotating the rod II 1-5; 1-6 of round holes; a base 2; a wheel 3; a seed selecting box 4; a box body 4-1; a chute I4-2; 4-3 of a sliding block I; 4-4 of a door; 4-5 of a screen mesh; 4-6 of a sliding plate; 4-7 of a sliding block II; 4-8 of a chute II; 4-9 of a chute III; a blocking device 5; a motor II 5-1; 5-2 of a rotary table; a turntable main body 5-2-1; a rectangular groove 5-2-2; 5-2-3 of an arc-shaped groove; 5-2-4 of a movable stop block; 5-2-4-1 of a sliding cylinder; a hemispherical sliding block 5-2-4-2; 5-2-4-3 of a groove; 5-2-4-4 of a spring II; 5-2-5 parts of a spring I; a water tank 6; a soil covering box 7; a seeding device 8; a conical cylinder 8-1; a baffle plate 8-2; 8-3 parts of a cylinder I; 8-4 parts of a cylinder II; 8-5 of a chute IV; 8-6 parts of a connecting block; 8-7 of a through hole; a hanging ring 9; a power plant II 10; 10-1 of a pressing plate; a rod I10-2; a rod II 10-3; 10-4 of a disc I; a transfer wheel 10-5; 10-6 parts of a motor III; 10-7 of a motor bracket II; 10-8 of a conveyor belt; shaft 10-9; 10-10 of a disc II; 10-11 for rod III; 10-12 of a rod IV; the plate 11 is conveyed.
Detailed Description
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, and the invention relates to a seeding device, in particular to a seeding device for municipal gardens, which comprises a power device I1, a base 2, wheels 3, a seed selection box 4, a blocking device 5, a water tank 6, a soil covering box 7, a seeding device 8, a hanging ring 9, a power device II 10 and a conveying plate 11.
The power device I1 is composed of a motor I1-1, a motor support I1-2, a rotating rod I1-3, a pin 1-4, a rotating rod II 1-5 and a circular hole 1-6; the motor I1-1 is fixed on the motor bracket I1-2 through a bolt; a rotating shaft of the motor I1-1 is connected with a rotating rod I1-3 through a key; round holes 1-6 are formed in the rotating rods I1-3 and the rotating rods II 1-5; the upper end of the rotating rod I1-3 is movably connected with a rotating rod II 1-5 through a pin 1-4;
the seed selecting box 4 is composed of a box body 4-1, a sliding groove I4-2, a sliding block I4-3, a door 4-4, a screen 4-5, a sliding plate 4-6, a sliding block II 4-7, a sliding groove II 4-8 and a sliding groove III 4-9; the top end of the box body 4-1 is hollowed; the sliding chute I4-2 is arranged on the inner wall of the box body 4-1; the sliding groove II 4-8 is formed in the other side of the box body 4-1, and the sliding groove II 4-8 penetrates through the side wall of the box body 4-1; the sliding chute III 4-9 is arranged inside the side wall of the box body 4-1, and the sliding chute III 4-9 is communicated with the sliding chute II 4-8; the sliding block I4-3 is fixedly connected to the right side of the screen 4-5 through adhesion; the sliding block II 4-7 is fixedly connected to the left side of the screen 4-5 through adhesion; the sliding plate 4-6 is fixedly connected to the upper part and the lower part of the sliding block II 4-7 through adhesion; the sliding block I4-3 is in clearance fit with the sliding groove I4-2; the sliding blocks II 4-7 are in clearance fit with the sliding grooves II 4-8; the sliding plate 4-6 is in clearance fit with the sliding groove III 4-9;
the blocking device 5 is composed of a motor II 5-1 and a rotary disc 5-2; a rotating shaft of the motor II 5-1 is connected with a rotating disc 5-2 through a key;
the rotary table 5-2 consists of a rotary table main body 5-2-1, a rectangular groove 5-2-2, an arc groove 5-2-3, a movable stop block 5-2-4 and a spring I5-2-5; the upper end of the turntable main body 5-2-1 is provided with four arc-shaped grooves 5-2-3 and rectangular grooves 5-2-2 at intervals; the movable baffle 5-2-4 is in clearance fit with the arc-shaped groove 5-2-2; one end of the spring I5-2-5 is fixedly arranged in the arc-shaped groove 5-2-3, and the other end of the spring I5-2-5 is fixedly arranged on the movable stop block 5-2-4;
the movable stop block 5-2-4 consists of a sliding cylinder 5-2-4-1, a hemispherical sliding block 5-2-4-2, a groove 5-2-4-3 and a spring II 5-2-4-4; a groove 5-2-4-3 is formed in the sliding cylinder 5-2-4-1; the hemispherical sliding block 5-2-4-2 is in clearance fit with the groove 5-2-4-3; the lower end of the spring II 5-2-4-4 is fixedly arranged at the bottom end of the groove 5-2-4-3, and the upper end of the spring II 5-2-4-4 is arranged at the lower end of the hemispherical sliding block 5-2-4-2; the sliding cylinder 5-2-4-1 is in clearance fit with the arc-shaped groove 5-2-3;
the seeding device 8 is composed of a conical cylinder 8-1, a baffle 8-2, a cylinder I8-3, a cylinder II 8-4, a chute IV 8-5, a connecting block 8-6 and a through hole 8-7; a port at the lower end of the conical cylinder 8-1 is fixedly connected with a cylinder I8-3 through adhesion; a baffle plate 8-2 is arranged at the joint of the cylinder I8-3 and the conical cylinder 8-1; the baffle 8-2 is movably connected to the opening at the bottom end of the conical barrel 8-1 through a hinge; the cylinder II 8-4 is positioned inside the cylinder I8-3, and the cylinder II 8-4 is in clearance fit with the cylinder I8-3; the sliding chute IV 8-5 is arranged on the side face of the cylinder I8-3; one end of the connecting block 8-6 penetrates through the sliding groove IV 8-5 to be fixedly connected to the cylinder II 8-4, and the connecting block 8-6 is in clearance fit with the sliding groove IV 8-5; the through hole 8-7 is arranged at the lower end of the cylinder II 8-4;
the power device II 10 is composed of a pressure plate 10-1, a rod I10-2, a rod II 10-3, a disc I10-4, a transmission wheel 10-5, a motor III 10-6, a motor support II 10-7, a transmission belt 10-8, a shaft 10-9, a disc II 10-10, a rod III 10-11 and a rod IV 10-12; the motor III 10-6 is fixedly connected to the motor bracket II 10-7 through a bolt; the disc I10-4 is connected to a rotating shaft of the motor III 10-6 through a key; one end of the rod II 10-3 is movably connected to the eccentric position of the disc I10-4, and the other end of the rod II 10-3 is movably connected with the rod I10-2; the bottom end of the rod I10-2 is movably connected with a pressing plate 10-1 through a hinge; two conveying wheels 10-5 are arranged, one conveying wheel 10-5 is connected to a rotating shaft of the motor III 10-6 through a key, the other conveying wheel 10-5 is connected to a shaft 10-9 through a key, and a conveying belt 10-8 is sleeved outside the two conveying wheels 10-5; the shaft 10-9 is arranged at the position, close to the bottom end, of the motor support II 10-7 through a bearing, and the other end of the shaft 10-9 is connected with a disc II 10-10 through a key; one end of the rod III 10-11 is movably arranged at the eccentric position of the disc II 10-10, and the other end of the rod III 10-11 is arranged on the rod IV 10-12;
the wheel 3 is arranged at the lower end of the base 2; the upper end of the base 2 is sequentially provided with a power device I1, a seed selection box 4, a water tank 6, a soil covering box 7, a power device II 10 and a seeding device 8 from left to right; the motor support I1-2 is fixedly connected to the left side of the base 2 through welding; the seed selecting box 4 is placed at the upper end of the base 2, and the sliding blocks II 4-7 are in clearance fit with the round holes 1-6; the water tank 6 is placed on the base 2, and a port at the lower end of the water tank 6 penetrates through the base 2; the soil covering box 7 is placed on the base 2, and an opening at the lower end of the soil covering box 7 penetrates through the base 2; the motor support II 10-7 is fixedly connected to the base 2 through welding; the pressing plate 10-1 is in clearance fit with the soil covering box 7; the cylinder I8-3 penetrates through the base 2, and part of the cylinder I8-3 is exposed out of the lower end of the base 2; the rod IV 10-12 is matched with the connecting block 8-6; the blocking device 5 is arranged on the side surfaces of the water tank 6 and the soil covering box 7, and the rotary disc 5-2 is positioned at the lower end of the base 2; the hemispherical slide block 5-2-4-2 is in clearance fit with the water tank 6 and the opening at the lower end of the soil covering box 7; the hanging ring 9 is connected to the right end of the base 2 through welding; one end of the conveying plate 11 is connected to the lower end of the door 4-4 on the box body 4-1 through a bolt, and the other end of the conveying plate 11 is positioned at the upper end of the conical barrel 8-1. When the device is used, seeds are poured into a seed selection box 4, then a motor I1-1 is started, the motor I1-1 drives a rotating rod I1-3, the rotating rod I1-3 drives a rotating rod II 1-5 to move, a sliding block II 4-7 is connected to the lower end of the rotating rod II 1-5, the sliding block II 4-7 slides up and down along a sliding groove II 4-8, the sliding groove II 4-8 drives a screen 4-5 to move up and down, so that the seed particles on the screen 4-5 are smaller and are not fully filled and fall to the lower end of the seed selection box 4 through the screen, then a door 4-4 is opened, the seeds enter a conical barrel 8-1 on a seeding device 8 through a conveying plate 11, then a motor III 10-6 is started, and a motor III 10-6 drives a conveying wheel 10-5 to further drive a shaft 10-, the shaft 10-9 drives the disc II 10-10 to rotate, the disc II 10-10 drives the rod III 10-11 to move, the rod III 0-11 drives the rod IV 10-12 to move, the rod IV 10-12 is connected with the connecting block 8-6, the rod IV 10-12 drives the connecting block 8-6 to move up and down along the chute IV 8-5, the connecting block 8-6 drives the cylinder II 8-4 to move up and down in the cylinder I8-3, when the cylinder II 8-4 moves to the lowest end, the through hole 8-7 is exposed out of the outer end of the cylinder I8-3, seeds in the cylinder II 8-4 are scattered out, when the cylinder II 8-4 moves to the highest end, the through hole 8-7 is positioned in the cylinder I8-3, and simultaneously the cylinder II 8-4 jacks up the baffle 8-2 to enable part of the seeds in the conical cylinder 8-1 to enter the cylinder II 8-4, the next seed sowing is convenient; when the watering and earthing operations are used, the motor II 5-1 is started, the motor II 5-1 drives the rotary disc 5-2 to rotate, when the rotary disc 5-2 rotates, the hemispherical stop block 5-2-4-2 on the rotary disc 5-2 compresses the spring II 5-2-4-4 to slide on the lower surface of the base 2, when the lower end opening of the water tank 6 or the earthing box 7 is communicated with the rectangular groove 5-2-2, the water in the water tank 6 is watered, the soil in the earthing box 7 is earthing through the opening at the lower end of the earthing box 7 and the rectangular hole 5-2-2 under the action of the pressure plate 10-1, the pressure plate 10-1 is driven by the motor III 10-6, the motor III 10-6 rotates to drive the disc I10-4 to rotate, the disc I10-4 drives the rod II 10-3 to move, the rod II 10-3 drives the rod I10-2 to move up and down, so that the pressing plate 10-1 is driven to move up and down, when the hemispherical check block 5-2-4-2 moves to the position of the lower port of the water tank 6 and the earthing box 7, the hemispherical check block 5-2-4-2 is bounced into the lower port of the water tank 6 and the earthing box 7 under the action of the spring II 5-2-4-4, so that water or soil is prevented from flowing out downwards, the rotary disc 5-2 continues to rotate, the hemispherical check block 5-2-4-2 drives the sliding cylinder 5-2-4-1 to slide in the arc-shaped groove 5-2-2 under the resistance action of the lower port of the water tank 6 and the earthing box 7, the spring I5-2-5 is compressed, when the spring I5-2-2 moves to the other end of, the lower ports of the water tank 6 and the soil covering box 7 downwards compress the hemispherical stop blocks 5-2-4-2 along the arc surfaces of the top ends of the hemispherical stop blocks 5-2-4, the lower ports continue to move to the next rectangular groove 5-2-2, the next watering and soil covering operation is carried out, the hemispherical stop blocks 5-2-4-2 separated from the lower ports of the water tank 6 and the soil covering box 7 move back to the original positions under the action of the springs I5-2-5, and the next blocking operation is waited.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, and the embodiment further describes the embodiment, wherein the distance from the rotating shaft of the motor ii 5-1 to the lower port of the water tank 6 is equal to the distance from the rotating shaft of the motor ii 5-1 to the lower port of the casing tank 7.
The third concrete implementation mode:
the present embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, and the present embodiment further describes the first embodiment, in which the lower end of the cylinder ii 8-7 is provided with a slope.
The fourth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, and the present embodiment further describes the first embodiment, and four rectangular grooves 5-2-2, arc-shaped grooves 5-2-3, movable stoppers 5-2-4, and springs i 5-2-5 are provided.
The working principle of the invention is as follows: when the device is used, seeds are poured into a seed selection box 4, then a motor I1-1 is started, the motor I1-1 drives a rotating rod I1-3, the rotating rod I1-3 drives a rotating rod II 1-5 to move, a sliding block II 4-7 is connected to the lower end of the rotating rod II 1-5, the sliding block II 4-7 slides up and down along a sliding groove II 4-8, the sliding groove II 4-8 drives a screen 4-5 to move up and down, so that the seed particles on the screen 4-5 are smaller and are not fully filled and fall to the lower end of the seed selection box 4 through the screen, then a door 4-4 is opened, the seeds enter a conical barrel 8-1 on a seeding device 8 through a conveying plate 11, then a motor III 10-6 is started, and a motor III 10-6 drives a conveying wheel 10-5 to further drive a shaft 10-, the shaft 10-9 drives the disc II 10-10 to rotate, the disc II 10-10 drives the rod III 10-11 to move, the rod III 0-11 drives the rod IV 10-12 to move, the rod IV 10-12 is connected with the connecting block 8-6, the rod IV 10-12 drives the connecting block 8-6 to move up and down along the chute IV 8-5, the connecting block 8-6 drives the cylinder II 8-4 to move up and down in the cylinder I8-3, when the cylinder II 8-4 moves to the lowest end, the through hole 8-7 is exposed out of the outer end of the cylinder I8-3, seeds in the cylinder II 8-4 are scattered out, when the cylinder II 8-4 moves to the highest end, the through hole 8-7 is positioned in the cylinder I8-3, and simultaneously the cylinder II 8-4 jacks up the baffle 8-2 to enable part of the seeds in the conical cylinder 8-1 to enter the cylinder II 8-4, the next seed sowing is convenient; when the watering and earthing operations are used, the motor II 5-1 is started, the motor II 5-1 drives the rotary disc 5-2 to rotate, when the rotary disc 5-2 rotates, the hemispherical stop block 5-2-4-2 on the rotary disc 5-2 compresses the spring II 5-2-4-4 to slide on the lower surface of the base 2, when the lower end opening of the water tank 6 or the earthing box 7 is communicated with the rectangular groove 5-2-2, the water in the water tank 6 is watered, the soil in the earthing box 7 is earthing through the opening at the lower end of the earthing box 7 and the rectangular hole 5-2-2 under the action of the pressure plate 10-1, the pressure plate 10-1 is driven by the motor III 10-6, the motor III 10-6 rotates to drive the disc I10-4 to rotate, the disc I10-4 drives the rod II 10-3 to move, the rod II 10-3 drives the rod I10-2 to move up and down, so that the pressing plate 10-1 is driven to move up and down, when the hemispherical check block 5-2-4-2 moves to the position of the lower port of the water tank 6 and the earthing box 7, the hemispherical check block 5-2-4-2 is bounced into the lower port of the water tank 6 and the earthing box 7 under the action of the spring II 5-2-4-4, so that water or soil is prevented from flowing out downwards, the rotary disc 5-2 continues to rotate, the hemispherical check block 5-2-4-2 drives the sliding cylinder 5-2-4-1 to slide in the arc-shaped groove 5-2-2 under the resistance action of the lower port of the water tank 6 and the earthing box 7, the spring I5-2-5 is compressed, when the spring I5-2-2 moves to the other end of, the lower ports of the water tank 6 and the soil covering box 7 downwards compress the hemispherical stop blocks 5-2-4-2 along the arc surfaces of the top ends of the hemispherical stop blocks 5-2-4, the lower ports continue to move to the next rectangular groove 5-2-2, the next watering and soil covering operation is carried out, the hemispherical stop blocks 5-2-4-2 separated from the lower ports of the water tank 6 and the soil covering box 7 move back to the original positions under the action of the springs I5-2-5, and the next blocking operation is waited.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.