Adjustable pressing and soil crushing device for rotary sowing machine

Abstract

An adjustable soil compacting and crushing device for a rotary sowing machine relates to the technical field of agricultural appliances and comprises a traction frame, a connecting frame is vertically arranged on the traction frame in a swinging manner, an adjusting structure for adjusting the swinging resistance of the connecting frame is arranged on the traction frame, a compacting roller is rotatably arranged at the swinging end of the connecting frame, and crushing rollers are rotatably arranged above the compacting roller in parallel. A plurality of circles of crushing plates are arranged on the peripheral wall of the crushing roller in a surrounding mode, a plurality of crushing plates are fixedly connected in parallel in each circle in the axial direction of the crushing roller, and the crushing plates in the adjacent circles are arranged in a staggered mode. The rotary sowing machine solves the problems that in the prior art, when a soil crushing structure on a rotary sowing machine cleans clay on the surface of a press wheel, cleaned soil blocks are prone to being scattered in the direction of a vehicle body, the cleaned soil blocks are prone to being thrown to other devices of the rotary sowing machine, and the cleaning strength in the later period is increased; the problem that after clay on the surface of a press wheel is cleaned by a cleaning structure on an existing rotary sowing machine, the clay is scattered in a field in a large block form, and growth and development of crops are affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural implement technical field, concretely relates to adjustable compacting and soil breaking device for rotary seeder. BACKGROUND

[0002] The compacting wheel is the most common accessory on agricultural seeding, fertilizing and other machinery, for example, the compacting wheel is installed at the rear side of the rotary seeder, and the compacting wheel rotates on the soil while seeding, so that the seeds can be in close contact with the soil, the macropores in the soil can be reduced, the water evaporation can be reduced, and the soil moisture conservation can be realized.

[0003] When the compacting wheel rotates, the surface of the compacting wheel is often covered with soil, which causes large rotating resistance, in order to solve the problem, a soil breaking mechanism needs to be installed at the rear side of the compacting wheel, that is, the soil breaking mechanism includes a transmission shaft and a soil breaking knife located on the transmission shaft, the transmission shaft drives the soil breaking knife to rotate, which not only effectively breaks the soil on the ground, but also scrapes the soil on the compacting wheel.

[0004] The prior art discloses a patent with publication number CN221010661U, which comprises: a support plate rotatably located at the axis of the compacting mechanism at one end; an adjusting mechanism having a second adjusting rod movably located on the frame body at one end, rotatably connected with the support plate at the other end, and driving the support plate to rotate around the axis of the compacting mechanism; and a soil breaking mechanism installed on the support plate and located at the rear side of the compacting mechanism, and connected with the driving mechanism at the shaft end for power input; the adjustable compacting and soil breaking device for rotary seeder has a simple and compact structure, which not only realizes the lifting adjustment of the soil breaking mechanism, so that the soil breaking mechanism can break the soil on the ground, but also keeps the distance from the compacting mechanism consistent during the lifting process, and continuously scrapes the soil on the compacting wheel.

[0005] The existing device gradually exposes the deficiencies of the prior art with use, mainly in the following aspects:

[0006] Firstly, the soil breaking structure on the existing rotary seeder is easy to scatter the cleaned soil blocks towards the vehicle body direction when cleaning the clay on the surface of the compacting wheel, which causes the cleaned soil blocks to be thrown onto other devices of the rotary seeder, and increases the cleaning intensity in the later stage.

[0007] Secondly, after the cleaning structure on the existing rotary seeder cleans the clay on the surface of the compacting wheel, the clay is scattered in the form of large lumps in the field, which affects the growth and development of crops.

[0008] As can be seen from the above, the prior art obviously has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0009] In view of defects in the prior art, the adjustable compacting and soil crushing device for the rotary spreader is used to solve the problems that in the traditional technology, the soil crushing structure on the rotary spreader is easy to scatter the cleaned soil block towards the vehicle body direction when cleaning the clay on the surface of the compacting wheel, the cleaned soil block is easy to be thrown onto other devices of the rotary spreader, the cleaning intensity in the later stage is increased, and after the clay on the surface of the compacting wheel is cleaned, the clay is scattered in the form of large block in the field, and the growth and development of crops are affected.

[0010] In order to achieve the above object, the utility model provides the following technical scheme:

[0011] The adjustable compacting and soil crushing device for the rotary spreader, including the traction frame, the connecting frame is arranged on the traction frame and swings vertically, the adjusting structure for adjusting the swing resistance of the connecting frame is arranged on the traction frame,

[0012] The swing end of the connecting frame is rotationally provided with a compacting roller, a crushing roller is rotationally arranged above the compacting roller in parallel, a plurality of crushing plates are circumferentially arranged on the wall of the crushing roller, each of the crushing plates is fixedly connected to the crushing roller in parallel along the axial direction of the crushing roller, and the crushing plates between adjacent circles are arranged in a staggered manner.

[0013] The rotation direction of the crushing roller is the same as that of the compacting roller, and the rotation speed of the crushing roller is greater than that of the compacting roller.

[0014] As an optimized scheme, two connecting plates are fixedly connected to the connecting frame in parallel, and the two ends of the crushing roller are rotationally installed on the two connecting plates.

[0015] As an optimized scheme, a driving sprocket is fixedly connected to one end of the compacting roller, a driven sprocket is fixedly connected to one end of the crushing roller, and the driving sprocket and the driven sprocket are connected by a chain.

[0016] As an optimized scheme, the outer diameter of the driving sprocket is not less than twice the outer diameter of the driven sprocket.

[0017] As an optimized scheme, the outer edge of the crushing plate is in frictional contact with the surface of the compacting roller.

[0018] As an optimized scheme, a driving machine is fixedly connected to the connecting frame, and the output shaft of the driving machine is fixedly connected to the other end of the compacting roller.

[0019] As an optimized scheme, the adjusting structure includes a support frame fixedly connected to the upper end of the traction frame, an adjusting rod is vertically screw-connected to the support frame, a compression spring is connected to the lower end of the adjusting rod, and the lower end of the compression spring abuts against the connecting frame.

[0020] As an optimized scheme, the upper end of the connecting frame is hinged with a supporting seat, the upper end of the supporting seat is fixedly connected with a lower positioning block, the lower end of the adjusting rod is fixedly connected with a plate body, the lower surface of the plate body is fixedly connected with an upper positioning block corresponding to the lower positioning block, and the two ends of the compression spring are correspondingly inserted into the upper positioning block and the lower positioning block.

[0021] As an optimized scheme, the hinged end of the connecting frame is connected to the traction frame through a hinge seat.

[0022] As an optimized scheme, the lower end of the traction frame is fixedly connected with a limiting plate, and when the connecting frame swings downward to the maximum position, the lower surface of the connecting frame abuts against the upper surface of the limiting plate.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] Through the hinging of the connecting frame on the traction frame, the downward distance of the adjusting rod is adjusted, the downward pressure of the compression spring on the connecting frame is adjusted, and the soil compaction degree is adjusted.

[0025] The broken roller is arranged on one side of the rolling roller, the broken plate is used to clean the soil adhered to the surface of the rolling roller when the broken roller rotates, the broken roller is arranged above, the directions of rotation of the broken roller and the rolling roller are the same, the cleaned soil is thrown to the rear of the vehicle body, the soil is dispersed in the field, and the problem that the soil is thrown on other devices of the rotary seeder in the prior art and the cleaning intensity in the later period is increased is solved.

[0026] The broken plates between adjacent rings are staggered, the soil on the surface of the rolling roller is broken, the caked soil is crushed and refined, and the influence on the growth and development of crops is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0028] Figure 1 It is a structural schematic view of the utility model;

[0029] Figure 2 It is a structural schematic view of the broken plate of the utility model.

[0030] In the figure: 1 - traction frame; 2 - connecting frame; 3 - compression roller; 4 - crushing roller; 5 - crushing plate; 6 - driving sprocket; 7 - driven sprocket; 8 - connecting plate; 9 - support frame; 10 - adjusting rod; 11 - support seat; 12 - plate body; 13 - compression spring; 14 - upper positioning block; 15 - hinged seat; 16 - limiting plate; 17 - driving machine. DETAILED DESCRIPTION

[0031] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0032] As shown in Figure 1 and Figure 2 , the adjustable compression and soil crushing device for rotary spreader comprises a traction frame 1, a connecting frame 2 is arranged on the traction frame 1 and can swing vertically, an adjusting structure for adjusting the swing resistance of the connecting frame 2 is arranged on the traction frame 1,

[0033] A compression roller 3 is rotatably arranged at the swing end of the connecting frame 2, a crushing roller 4 is rotatably arranged above the compression roller 3, a plurality of crushing plates 5 are arranged on the peripheral wall of the crushing roller 4, each crushing plate 5 is fixedly connected to the crushing roller 4 in parallel along the axial direction, and the crushing plates 5 between adjacent crushing plates 5 are arranged in an interlaced manner,

[0034] The rotating direction of the crushing roller 4 is the same as that of the compression roller 3, and the rotating speed of the crushing roller 4 is greater than that of the compression roller 3.

[0035] Two connecting plates 8 are fixedly connected to the connecting frame 2 in parallel, and the two ends of the crushing roller 4 are rotatably installed on the two connecting plates 8.

[0036] One end of the compression roller 3 is fixedly connected with a driving sprocket 6, one end of the crushing roller 4 is fixedly connected with a driven sprocket 7, and the driving sprocket 6 and the driven sprocket 7 are connected through a chain.

[0037] The outer diameter of the driving sprocket 6 is not less than twice the outer diameter of the driven sprocket 7.

[0038] The outer edge of the crushing plate 5 is in frictional contact with the surface of the compression roller 3.

[0039] The driving machine 17 is fixedly connected to the connecting frame 2, and the output shaft of the driving machine 17 is fixedly connected to the other end of the compression roller 3.

[0040] The adjusting structure comprises a support frame 9 fixedly connected to the upper end of the traction frame 1, an adjusting rod 10 vertically screwed on the support frame 9, a compression spring 13 connected to the lower end of the adjusting rod 10, and the lower end of the compression spring 13 abutting against the connecting frame 2.

[0041] The upper end of the connecting frame 2 is hingedly connected with a supporting seat 11, the upper end of the supporting seat 11 is fixedly connected with a lower positioning block, the lower end of the adjusting rod 10 is fixedly connected with a plate body 12, the lower surface of the plate body 12 is fixedly connected with an upper positioning block 14 corresponding to the lower positioning block, and the two ends of the compression spring 13 are correspondingly inserted into the upper positioning block 14 and the lower positioning block.

[0042] The hinged end of the connecting frame 2 is connected to the traction frame 1 through a hinge seat 15.

[0043] The lower end of the traction frame 1 is fixedly connected with a limiting plate 16, when the connecting frame 2 swings downward to the maximum position, the lower surface of the connecting frame 2 abuts against the upper surface of the limiting plate 16.

[0044] The working principle of the device is as follows:

[0045] By hingedly connecting the connecting frame 2 to the traction frame 1, the downward distance of the adjusting rod 10 is adjusted, the downward pressure of the compression spring 13 acting on the connecting frame 2 is adjusted, and the soil compaction degree is adjusted.

[0046] By arranging the crushing roller 4 on one side of the compacting roller 3, when the crushing roller 4 rotates, the mud adhering to the surface of the compacting roller 3 is cleaned by the crushing plate 5; since the crushing roller 4 is arranged above and the directions of rotation of the two are the same, the cleaned mud is thrown to the rear of the vehicle body, the mud is dispersed into the field, and the problem of increasing the cleaning intensity in the later period due to the throwing onto other devices of the rotary seeder in the traditional technology is overcome.

[0047] By staggered arrangement of the crushing plates 5 between adjacent rings, the mud on the surface of the compacting roller 3 is crushed, the caked mud is pulverized and refined, and the influence on the growth and development of crops is reduced.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. An adjustable compaction and soil-breaking device for a rotary seeder, characterized in that: Includes a traction frame (1), on which a connecting frame (2) is provided for vertical swinging, and the traction frame (1) is provided with an adjustment structure for adjusting the swing resistance of the connecting frame (2). The swing end of the connecting frame (2) is rotatably equipped with a pressing roller (3), and a crushing roller (4) is rotatably mounted above the pressing roller (3). Several rings of crushing plates (5) are arranged around the periphery of the crushing roller (4). Several crushing plates (5) are fixedly connected side by side along the axial direction of the crushing roller (4) in each ring. The crushing plates (5) between adjacent rings are staggered. The rotation direction of the crushing roller (4) is the same as that of the pressing roller (3), and the rotation speed of the crushing roller (4) is greater than that of the pressing roller (3).

2. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 1, characterized in that: Two connecting plates (8) are fixedly connected side by side on the connecting frame (2), and the two ends of the crushing roller (4) are rotatably mounted on the two connecting plates (8).

3. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 2, characterized in that: One end of the pressing roller (3) is fixedly connected to a drive sprocket (6), and one end of the crushing roller (4) is fixedly connected to a driven sprocket (7). The drive sprocket (6) and the driven sprocket (7) are connected by a chain.

4. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 3, characterized in that: The outer diameter of the driving sprocket (6) is not less than twice the outer diameter of the driven sprocket (7).

5. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 4, characterized in that: The outer edge of the crushing plate (5) comes into frictional contact with the surface of the pressing roller (3).

6. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 5, characterized in that: A drive motor (17) is fixedly connected to the connecting frame (2), and the output shaft of the drive motor (17) is fixedly connected to the other end of the pressing roller (3).

7. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 6, characterized in that: The adjustment structure includes a support frame (9) fixed to the upper end of the traction frame (1), an adjustment rod (10) is vertically threaded onto the support frame (9), and a compression spring (13) is connected to the lower end of the adjustment rod (10), the lower end of the compression spring (13) abutting against the connecting frame (2).

8. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 7, characterized in that: The upper end of the connecting frame (2) is hinged to a support base (11), the upper end of the support base (11) is fixed to a lower positioning block, the lower end of the adjusting rod (10) is fixed to a plate (12), the lower surface of the plate (12) is fixed to an upper positioning block (14) corresponding to the lower positioning block, and the two ends of the compression spring (13) are correspondingly inserted into the upper positioning block (14) and the lower positioning block.

9. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 8, characterized in that: The hinged end of the connecting frame (2) is connected to the traction frame (1) via a hinged seat (15).

10. The adjustable compaction and soil-breaking device for a rotary seeder according to claim 9, characterized in that: The lower end of the traction frame (1) is fixedly connected to a limiting plate (16). When the connecting frame (2) swings downward to its maximum position, the lower surface of the connecting frame (2) abuts against the upper surface of the limiting plate (16).

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