阅读说明：本技术 一种播种滚筒总成 (Seeding roller assembly ) 是由 路大波 路大涛 张永勇 吴伟 魏曙光 王月明 翟军伟 杨大明 于 2021-10-26 设计创作，主要内容包括：本发明涉及农业机械技术领域,提出了一种播种滚筒总成,包括与滚筒架形成转动配合的滚筒、以及在滚筒的外圆周面上沿圆周方向设置的一组开穴铲,关键在于：所述播种滚筒总成还包括与滚筒同轴设置且位于其外侧的抓地轮,抓地轮外壁的最低处位于滚筒外壁的最低处下方且位于开穴铲最低处的上方。解决了相关技术中滚筒在地膜上滚动,碾压地膜下的泥土使其变硬、板结成块,在开穴铲打开时张力的作用下成块的泥土会覆盖到种子上方严重影响出苗率的问题。(The invention relates to the technical field of agricultural machinery, and provides a sowing roller assembly, which comprises a roller and a group of hole digging shovels, wherein the roller is in running fit with a roller frame, and the hole digging shovels are arranged on the outer circumferential surface of the roller along the circumferential direction, and the key points are as follows: the seeding roller assembly further comprises a ground grabbing wheel which is coaxially arranged with the roller and is positioned on the outer side of the seeding roller assembly, and the lowest position of the outer wall of the ground grabbing wheel is positioned below the lowest position of the outer wall of the roller and above the lowest position of the hole digging shovel. The problem of among the relevant art cylinder roll on the plastic film, roll the earth under the plastic film and make it harden, harden into the piece, the earth that becomes the piece under the effect of tension when the shovel of digging a hole is opened can cover the seed top and seriously influence the rate of emergence is solved.)

1. The utility model provides a seeding cylinder assembly, includes and forms normal running fit's cylinder (2) with roller frame (1) and a set of dibble shovel (3) that set up along the circumferencial direction on the outer periphery of cylinder (2), its characterized in that: seeding cylinder assembly still includes grabs land wheel (4) with cylinder (2) coaxial setting and be located its outside, grabs the lowest below that the lowest of land wheel (4) outer wall is located cylinder (2) outer wall and is located the top of the lowest of shovel (3) of opening a cave.

2. A sowing drum assembly according to claim 1, wherein: the seeding roller assembly further comprises a seed metering device (5) arranged on the roller frame (1) and located behind the roller (2), and a seed inoculation box (6) located below the seed metering device (5), wherein a seed dropping opening is formed in the bottom of the seed inoculation box (6).

3. A sowing drum assembly according to claim 2, wherein: the seeding roller assembly also comprises a seed box sealing cover (8) arranged below a seed dropping port of the seed box (6), a lower sand box (9) arranged on the roller frame (1) and positioned behind the seed box (6), and a sand box sealing cover (10) arranged below the sand dropping port of the lower sand box (9), wherein the front end of the seed box sealing cover (8) is hinged with the seed box (6), the rear end of the seed box sealing cover is a free end, the front end of the sand box sealing cover (10) is hinged with the lower sand box (9), the rear end of the sand box sealing cover is a free end, the seeding roller assembly also comprises a shifting lever mechanism (11) and a group of collision shafts (12) fixed on the outer end surface of the roller (2), all the collision shafts (12) are uniformly arranged along the circumferential direction of the roller (2), the middle part of the shifting lever mechanism (11) is hinged with the roller frame (1) by means of a limiting rod (13), the rear end of the shifting lever mechanism is bent and extends downwards and is simultaneously contacted with the seed box sealing cover (8) and the lower end surface of the sand box sealing cover (10), the limiting rod (13) is positioned above the seed box sealing cover (8) and the sand box sealing cover (10), the front end of the deflector rod mechanism (11) is lapped with the striking shaft (12) positioned behind the axis of the roller (2) and synchronously rotates upwards to form an opening mechanism of the seed box sealing cover (8) and the sand box sealing cover (10), and the front end of the deflector rod mechanism (11) is separated from the striking shaft (12) to form a closing mechanism of the seed box sealing cover (8) and the sand box sealing cover (10).

4. A sowing drum assembly according to claim 3, wherein: the poking rod mechanism (11) comprises a first transmission rod (11-1), a second transmission rod (11-2) and a bracket for supporting a seed box sealing cover (8) and a sand box sealing cover (10) at the same time, the middle part of the first transmission rod (11-1) is hinged with a roller frame (1) positioned on the outer side of the first transmission rod by virtue of a limiting rod (13), the front end of the first transmission rod (11-1) is overlapped or separated with a collision shaft (12) positioned behind the axis of the roller (2), the rear end of the first transmission rod (11-1) is fixedly connected with the upper end of the second transmission rod (11-2), and the lower end of the second transmission rod (11-2) is fixedly connected with the front end of the bracket.

5. A sowing drum assembly according to claim 4, wherein: the bracket comprises a first supporting shaft (11-3) which is arranged below the seed box sealing cover (8) and is used for supporting the seed box sealing cover (8), and a second supporting shaft (11-4) which is arranged below the sand box sealing cover (10) and is used for supporting the sand box sealing cover (10), wherein the axes of the first supporting shaft (11-3) and the second supporting shaft (11-4) are arranged along the left-right direction, the bracket also comprises a connecting plate (11-5) which is fixedly connected with the same end of the first supporting shaft (11-3) and the second supporting shaft (11-4), and the lower end of the second transmission rod (11-2) is fixedly connected with the connecting plate (11-5)/the first supporting shaft (11-3).

6. A sowing drum assembly according to claim 3, wherein: reset springs are connected between the rear end of the seed box sealing cover (8) and the inoculation box (6) and between the rear end of the sand box sealing cover (10) and the lower sand box (9).

7. A sowing drum assembly according to claim 2, wherein: the seeding roller assembly also comprises a seed box (14) fixed on the roller frame (1), and the outlet of the seed box (14) is connected with the inlet of the seed sowing device (5).

8. A sowing drum assembly according to claim 1, wherein: the ground grabbing wheel (4) comprises a wheel body (4-1) and a group of wing plates (4-2) arranged on the outer end face of the wheel body (4-1) along the circumferential direction, the outer ends of the wing plates (4-2) extend to the outside of the wheel body (4-1), and the lowest position of each wing plate (4-2) is located below the lowest position of the outer wall of the roller (2) and above the lowest position of the hole digging shovel (3).

9. A sowing drum assembly according to claim 1, wherein: a group of through holes (7) are formed in the end face of the ground grabbing wheel (4), and all the through holes (7) are uniformly arranged in the circumferential direction of the ground grabbing wheel (4).

10. A sowing drum assembly according to claim 9, wherein: the width of the via hole (7) is gradually increased from one end close to the axis of the ground grabbing wheel (4) to the other end.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a seeding roller assembly.

Background

In the last ten years, the salinization of the land is serious, so that the emergence rate and the growth of crops are influenced. Therefore, growers are forced to adopt a method of firstly spreading the film, watering and then planting, and the land is called a water film land. Because soil can not be taken out and covered between ridges after water film sowing, sandy soil which is pulled to the field head can be covered above the hole holes one by one only after manual sowing, thereby greatly increasing the sowing cost and improving the labor intensity.

The sowing and sand covering equipment in the domestic market at present has the following three disadvantages:

firstly, a roller rolls on a mulching film in the sowing process, soil under the mulching film is rolled to be hardened and hardened into blocks, and the blocked soil can cover the seeds under the action of tension when a hole opening shovel is opened to seriously influence the rate of emergence;

secondly, the sowing duck bill with a conventional structure is used, and due to the fact that soil below a mulching film of a water film field is high in viscosity, the phenomenon that soil is adhered to the inner wall of the duck bill occurs, seeds cannot be accurately sown in the holes, and the emergence rate is seriously affected;

and thirdly, dragging operation of a matched tractor leads to transition rolling of cultivated land and destruction of mulching films paved on the cultivated land head.

Disclosure of Invention

The invention provides a sowing roller assembly, which solves the problems that in the related art, a roller rolls on a mulching film, soil under the mulching film is rolled to be hardened and hardened into blocks, and the blocked soil can cover the seeds under the action of tension when a hole digging shovel is opened, so that the emergence rate is seriously influenced.

The technical scheme of the invention is as follows: the utility model provides a seeding cylinder assembly, includes and forms normal running fit's cylinder with the roller frame and along a set of dibble shovel that the circumferencial direction set up on the outer periphery of cylinder, the key lies in: the seeding roller assembly further comprises a ground grabbing wheel which is coaxially arranged with the roller and is positioned on the outer side of the seeding roller assembly, and the lowest position of the outer wall of the ground grabbing wheel is positioned below the lowest position of the outer wall of the roller and above the lowest position of the hole digging shovel.

The seeding roller assembly further comprises a seed metering device arranged on the roller frame and located behind the roller and a seed receiving box located below the seed metering device, and a seed dropping opening is formed in the bottom of the seed receiving box.

The seeding roller assembly also comprises a seed box sealing cover arranged below a seed dropping port of the seed box, a lower sand box arranged on the roller frame and positioned behind the seed box, and a sand box sealing cover arranged below a sand dropping port of the lower sand box, wherein the front end of the seed box sealing cover is hinged with the seed box, the rear end of the seed box sealing cover is a free end, the front end of the sand box sealing cover is hinged with the lower sand box, the rear end of the sand box sealing cover is a free end, the seeding roller assembly also comprises a shifting rod mechanism and a group of collision shafts fixed on the outer end surface of the roller, all the collision shafts are uniformly arranged along the circumferential direction of the roller, the middle part of the shifting rod mechanism is hinged with the roller frame by virtue of a limiting rod, the rear end of the shifting rod mechanism is bent downwards and extends and is simultaneously contacted with the lower end surfaces of the seed box sealing cover and the sand box sealing cover, the limiting rod is positioned above the seed box sealing cover and the sand box sealing cover, the front end of the shifting rod mechanism is lapped with the collision shaft positioned behind the axis of the roller and synchronously rotates upwards to form an opening mechanism of the seed box sealing cover and the sand box sealing cover, the front end of the deflector rod mechanism is separated from the collision shaft to form a closing mechanism of the seed box sealing cover and the sand box sealing cover.

The driving lever mechanism comprises a first driving lever, a second driving lever and a bracket for supporting the seed box sealing cover and the sand box sealing cover simultaneously, the middle part of the first driving lever is hinged with a roller frame positioned outside the first driving lever by virtue of a limiting rod, the front end of the first driving lever is in lap joint or separation with a collision shaft positioned behind the axis of a roller, the rear end of the first driving lever is fixedly connected with the upper end of the second driving lever, and the lower end of the second driving lever is fixedly connected with the front end of the bracket.

The bracket comprises a first supporting shaft and a second supporting shaft, wherein the first supporting shaft is arranged below the sand box sealing cover and used for supporting the sand box sealing cover, the second supporting shaft is arranged below the sand box sealing cover and used for supporting the sand box sealing cover, the axes of the first supporting shaft and the second supporting shaft are arranged along the left-right direction, the bracket also comprises a connecting plate which is fixedly connected with the same end of the first supporting shaft and the second supporting shaft, and the lower end of the second transmission rod is fixedly connected with the connecting plate/the first supporting shaft.

Reset springs are connected between the rear end of the seed box sealing cover and the inoculation box and between the rear end of the sand box sealing cover and the lower sand box.

The seeding roller assembly also comprises a seed box fixed on the roller frame, and the outlet of the seed box is connected with the inlet of the seed sowing device.

Grab the land wheel and include the wheel body and along a set of pterygoid lamina that the circumferencial direction set up on the outer terminal surface of wheel body, the outer end of pterygoid lamina extends to the wheel body outside, and the lower of pterygoid lamina is located the lower of cylinder outer wall and is located the top of the lower of cave-opening shovel.

A group of through holes are formed in the end face of the ground grabbing wheel, and all the through holes are uniformly arranged in the circumferential direction of the ground grabbing wheel.

The width of the via hole is gradually increased from one end close to the axis of the ground grabbing wheel to the other end.

The working principle and the beneficial effects of the invention are as follows: set up the land wheel of grabbing rather than coaxial setting in the cylinder outside, the lower below that is located the cylinder outer wall of the lower of grabbing the land wheel outer wall just is located the top of the lower of digging shovel, during the seeding, under the prerequisite of guaranteeing that the digging shovel can satisfy the demand of digging a cave, make and grab the land wheel and grab the ground, and the cylinder does not contact with the plastic film, the cylinder can not roll the earth under the plastic film again, can effectively avoid the earth stiffening under the plastic film, the piece that hardens, the earth that effectively avoids under the effect of tension when digging the shovel is opened the piece covers the seed top, can improve the rate of emergence.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is a schematic bottom structure of the present invention.

FIG. 6 is an isometric view of the present invention in particular use.

Figure 7 is a top view of the present invention in particular use.

In the figure: 1. the device comprises a roller frame, 2, rollers, 3, a hole digging shovel, 4, a ground grabbing wheel, 4-1, a wheel body, 4-2, a wing plate, 5, a seed metering device, 6, a seed receiving box, 7, a via hole, 8, a seed box sealing cover, 9, a sand box, 10, a sand box sealing cover, 11, a deflector rod mechanism, 11-1, a first transmission rod, 11-2, a second transmission rod, 11-3, a first support shaft, 11-4, a second support shaft, 11-5, a connecting plate, 12, a collision shaft, 13, a limiting rod, 14, a seed box, 15, a sand box, 16, a rack, 17, a rear traveling wheel, 18, an engine, 19, a generator, 20, a storage battery, 21 and a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall be included within the scope of protection of the present invention.

In the specific embodiment, as shown in fig. 1, a sowing roller assembly comprises a roller 2 which is in running fit with a roller frame 1, a group of hole digging shovels 3 which are arranged on the outer circumferential surface of the roller 2 along the circumferential direction, and a ground grabbing wheel 4 which is arranged coaxially with the roller 2 and is positioned on the outer side of the roller, wherein the lowest position of the outer wall of the ground grabbing wheel 4 is positioned below the lowest position of the outer wall of the roller 2 and above the lowest position of the hole digging shovel 3.

As a further improvement of the invention, the sowing roller assembly also comprises a seed metering device 5 which is arranged on the roller frame 1 and is positioned behind the roller 2, and a seed inoculation box 6 which is positioned below the seed metering device 5, wherein the bottom of the seed inoculation box 6 is provided with a seed dropping opening. As shown in fig. 1, 2, 3 and 5, the seeding apparatus 5 and the inoculation box 6 can be matched to realize automatic seeding and mechanical operation, so that time and labor are saved.

As a further improvement of the invention, the seeding roller assembly also comprises a seed box sealing cover 8 arranged below the seed dropping port of the seed box 6, a lower sand box 9 arranged on the roller frame 1 and positioned behind the seed box 6, and a sand box sealing cover 10 arranged below the sand dropping port of the lower sand box 9, wherein the front end of the seed box sealing cover 8 is hinged with the seed box 6, the rear end is a free end, the front end of the sand box sealing cover 10 is hinged with the lower sand box 9, the rear end is a free end, the seeding roller assembly also comprises a shifting lever mechanism 11 and a group of collision shafts 12 fixed on the outer end surface of the roller 2, all the collision shafts 12 are uniformly arranged along the circumferential direction of the roller 2, the middle part of the shifting lever mechanism 11 is hinged with the roller frame 1 by a limiting rod 13, The rear end of the deflector rod mechanism 11 is bent downwards and extends and is simultaneously contacted with the lower end surfaces of the seed box sealing cover 8 and the sand box sealing cover 10, the limiting rod 13 is positioned above the seed box sealing cover 8 and the sand box sealing cover 10, the front end of the deflector rod mechanism 11 is lapped with a collision shaft 12 positioned behind the axis of the roller 2 and synchronously rotates upwards to form an opening mechanism of the seed box sealing cover 8 and the sand box sealing cover 10, and the front end of the deflector rod mechanism 11 is separated from the collision shaft 12 to form a closing mechanism of the seed box sealing cover 8 and the sand box sealing cover 10.

As shown in fig. 1, the middle of the lever mechanism 11 is hinged to the lower sand box 9 through a limiting rod 13, so that the lever mechanism 11 can only rotate forward and backward for setting an angle, and when not in operation, the rear end of the lever mechanism 11 is simultaneously in contact with the lower end faces of the seed box sealing cover 8 and the sand box sealing cover 10, so that the seed box sealing cover 8 below the seed receiving box 6 and the sand box sealing cover 10 below the lower sand box 9 are both in a closed state. When in use, the lowest position of the roller 2 rotates to the rear upper part, the striking shaft 12 on the outer side surface of the roller 2 moves to the rear upper part after passing through the lowest position, after the front end of the deflector rod mechanism 11 is lapped with the striking shaft 12 which is positioned at the rear part of the axis of the roller 2 and moves upwards, the rear end of the deflector rod mechanism 11 rotates downwards along with the synchronous upward movement of the striking shaft 12, the rear ends of the seed box sealing cover 8 and the sand box sealing cover 10 move downwards after losing the supporting function, the seed box sealing cover 8 and the sand box sealing cover 10 are opened, seeds and sand fall into the hole opened by the hole opening shovel 3, the striking shaft 12 is separated from the front end of the deflector rod mechanism 11 along with the continuous rotation of the roller 2, the front end of the deflector rod mechanism 11 rotates downwards at the same angle after losing the supporting function and returns to the initial position, the rear end of the deflector rod mechanism 11 rotates upwards to be contacted with the lower end surfaces of the seed box sealing cover 8 and the sand box sealing cover 10 again, and the seed box sealing cover 8 and the sand box sealing cover 10 are both return to the closed state, the process of intermittent seeding and intermittent sand burying can be completed by repeating the steps. Simple structure, convenient and fast use, time saving and labor saving.

As a further improvement of the invention, the deflector rod mechanism 11 comprises a first transmission rod 11-1, a second transmission rod 11-2 and a bracket for simultaneously supporting the seed box sealing cover 8 and the sand box sealing cover 10, the middle part of the first transmission rod 11-1 is hinged with the roller frame 1 positioned at the outer side of the first transmission rod by a limiting rod 13, the front end of the first transmission rod 11-1 is overlapped or separated with a collision shaft 12 positioned behind the axis of the roller 2, the rear end of the first transmission rod 11-1 is fixedly connected with the upper end of the second transmission rod 11-2, and the lower end of the second transmission rod 11-2 is fixedly connected with the front end of the bracket.

As shown in fig. 2, 3 and 5, at this time, the seed box sealing cover 8 and the sand box sealing cover 10 are both in a closed state, the front end of the first transmission rod 11-1 overlaps the striking shaft 12, the front end of the first transmission rod 11-1 rotates upward along with the striking shaft 12 as the drum 2 rotates, the rear end of the first transmission rod 11-1 rotates downward, so that the second transmission rod 11-2 and the bracket rotate downward, the seed box sealing cover 8 and the sand box sealing cover 10 are opened, after the first transmission rod 11-1 is separated from the striking shaft 12, the front end of the first transmission rod 11-1 rotates downward by an equal angle and returns to an initial position, the second transmission rod 11-2 and the bracket rotate upward and return to the initial position, and the seed box sealing cover 8 and the sand box sealing cover 10 both return to a closed state, and are simple in structure and convenient to use.

As a further improvement of the invention, the bracket comprises a first supporting shaft 11-3 which is arranged below the seed box sealing cover 8 and is used for supporting the seed box sealing cover 8, and a second supporting shaft 11-4 which is arranged below the sand box sealing cover 10 and is used for supporting the sand box sealing cover 10, the axes of the first supporting shaft 11-3 and the second supporting shaft 11-4 are arranged along the left-right direction, the bracket also comprises a connecting plate 11-5 which is fixedly connected with the same end of the first supporting shaft 11-3 and the second supporting shaft 11-4, and the lower end of the second transmission rod 11-2 is fixedly connected with the connecting plate 11-5/the first supporting shaft 11-3. As shown in fig. 1, 2, 3 and 5, the first support shaft 11-3 and the second support shaft 11-4 are connected by a connecting plate 11-5, and the weight of the bracket can be reduced as much as possible by ensuring reliable support of the first support shaft 11-3 and the second support shaft 11-4.

As a further improvement of the invention, return springs are connected between the seed box sealing cover 8 and the inoculation box 6 and between the sand box sealing cover 10 and the lower sand box 9, so that the seed box sealing cover 8 and the sand box sealing cover 10 can automatically return, and the pressure on the bracket can be reduced.

As a further improvement of the invention, the sowing roller assembly further comprises a seed box 14 fixed on the roller frame 1, and the outlet of the seed box 14 is connected with the inlet of the seed sowing device 5. As shown in fig. 1, 2, 3, 4 and 5, when seeds are stored in the seed box 14 and the seed sowing device 5 is replenished with seeds by using the seed box 14, the frequency of replenishing seeds to the seed sowing device 5 can be reduced, and the production efficiency can be improved.

As a further improvement of the invention, the ground grabbing wheel 4 comprises a wheel body 4-1 and a group of wing plates 4-2 arranged on the outer end face of the wheel body 4-1 along the circumferential direction, the outer ends of the wing plates 4-2 extend to the outside of the wheel body 4-1, and the lowest part of the wing plates 4-2 is positioned below the lowest part of the outer wall of the roller 2 and above the lowest part of the holing shovel 3. As shown in fig. 1, 2, 4 and 5, a reliable grip effect of the ground gripping wheel 4 is ensured.

As a further improvement of the invention, a group of through holes 7 are arranged on the end surface of the ground grabbing wheel 4, and all the through holes 7 are uniformly arranged along the circumferential direction of the ground grabbing wheel 4. As shown in fig. 1, 2 and 5, the ground-grasping wheel 4 can be lightened by forming the through hole 7 on the premise that the ground-grasping wheel 4 can meet the use requirement.

As a further improvement of the invention, the width of the through hole 7 is gradually increased from one end close to the axis of the ground grabbing wheel 4 to the other end. As shown in fig. 1, 2 and 5, it is ensured that the ground-gripping wheel 4 has a sufficiently large opening ratio.

In a specific use of the present invention, as shown in fig. 6 and 7, two seeding roller assemblies symmetrically arranged left and right are arranged on the frame 16, and both roller frames 1 are connected with the frame 16. A sand box 15 is arranged behind the seed discharging device 5 on a rack 16, a feed inlet of a lower sand box 9 is connected with a discharge outlet of the sand box 15, a front walking wheel and a rear walking wheel 17 are arranged on the rack 16, the front walking wheel is positioned in front of the roller 2, the rear walking wheel 17 is positioned behind the sand box 15, and the rear walking wheel 17 is connected with a sand discharging shaft of the sand box 15 by means of a second transmission mechanism to form transmission fit. The left and right lower sandboxes 9 are connected with the same sandbox 15, some sand is stored in the sandbox 15, the sand is continuously supplied to the lower sandboxes 9, the frequency of supplementing the sand to the lower sandboxes 9 can be reduced, the production efficiency is improved, and the second transmission mechanism is preferably a chain transmission mechanism.

A driving mechanism is fixed on a frame 16, an output shaft of the driving mechanism is connected with a rear travelling wheel 17 to form transmission fit, an engine 18, a generator 19 and a storage battery 20 which are sequentially and electrically connected are also fixed on the frame 16, and the storage battery 20 is connected with the driving mechanism. The storage battery 20 provides electric energy for the driving mechanism, namely the motor, so that the driving mechanism drives the rear travelling wheels 17 to rotate, the rear travelling wheels 17 drive the frame 16 to travel, the engine 18 drives the generator 19 to generate electricity to charge the storage battery 20, and continuous production can be realized.

Digging shovel 3 is the rupture of membranes duckbilled, during the seeding, ensures that digging shovel 3 can satisfy under the prerequisite of digging the cave demand, makes and grabs land wheel 4 and grabs ground, and cylinder 2 does not contact with the plastic film, and cylinder 2 can not roll the earth under the plastic film again, can effectively avoid the earth sclerosis under the plastic film, the piece that hardens, effectively avoid under the effect of tension when digging shovel 3 opens the earth of piece to cover the seed top, can improve the rate of emergence.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.