Limiting and supporting horizontal profiling mechanism of paddy planter
By designing a limiting support horizontal contouring mechanism and using upper and lower compression springs to adjust the furrowing and ridging plates, the problem of inconsistent sowing depth in rice direct seeding machines was solved, achieving consistency in sowing depth and improving quality.
Patent Information
- Application Number
- CN202520143638.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing rice direct seeding machines have poor contour-following performance, and the furrowing and ridging plates tend to tilt as the power machine chassis tilts, resulting in inconsistent sowing depth and poor quality.
A limiting support horizontal contouring mechanism was designed, including a whole machine mounting arm, bearing seat, crossbeam, support seat, limiting support mechanism and furrowing and ridging plate. By using the elastic adjustment of the upper and lower compression springs, the furrowing and ridging plate is made to fit tightly against the field surface, ensuring the consistency of sowing depth.
By flexibly adjusting the planting depth, the consistency of planting depth and planting quality are ensured, thus solving the problem of uneven planting in existing technologies.
Smart Images
Figure CN223714577U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to rice planting instrument technical field, concretely relates to a kind of limiting support horizontal profiling mechanism of rice direct sowing machine. BACKGROUND
[0002] Compared with artificial sowing, rice direct sowing technology has higher operation efficiency, lower cost and lower labor intensity. Meanwhile, the rice direct sowing machine can realize precision hill-drop seeding, and can also adjust the seeding amount according to different rice seeds.
[0003] The existing rice direct sowing machine has poor profiling performance, and the furrowing and ridging plate is easily tilted with the tilting of the power equipment chassis, which causes one end of the furrowing and ridging plate to penetrate into the soil and the other end to be tilted, so that the consistency of seeding depth and the quality of seeding cannot be guaranteed.
[0004] Therefore, it is urgent to design a limiting support horizontal profiling mechanism of rice direct sowing machine that can guarantee the consistency of seeding depth and the quality of seeding. UTILITY MODEL CONTENTS
[0005] In view of the problems existing in the prior art, a limiting support horizontal profiling mechanism of rice direct sowing machine is provided in the utility model, and the following technical scheme is specifically disclosed:
[0006] A limiting support horizontal profiling mechanism of rice direct sowing machine, comprising a whole machine hanging arm, a bearing seat mechanism, a cross beam, a support seat, a limiting support mechanism and a furrowing and ridging plate, the bearing seat mechanism is fixedly connected to the top middle part of the cross beam, the bottom front side of the whole machine hanging arm is rotatably connected with the bearing seat mechanism through a fixed shaft, one limiting support mechanism is connected with the top left and right sides of the whole machine hanging arm through a straight rod ball joint bearing, the bottom ends of the two limiting support mechanisms are connected with the top sides of the cross beam, and the furrowing and ridging plate is fixedly connected to the cross beam through a plurality of support seats.
[0007] Further, the limiting support mechanism comprises a solid shaft, an upper compression spring, a lower compression spring, an upper shock pad, a lower shock pad, a spring support frame, a solid shaft, an upper adjusting nut and a lower adjusting nut, the spring support frame is fixedly installed on the top of the cross beam, the top end of the solid shaft is connected with the top end of the whole machine hanging arm through the straight rod ball joint bearing, the bottom end of the solid shaft penetrates through the spring support frame, the upper compression spring, the upper shock pad and the upper adjusting nut are sequentially sleeved on the upper end of the solid shaft above the spring support frame, the upper adjusting nut is threadedly connected with the solid shaft, the lower compression spring, the lower shock pad and the lower adjusting nut are sequentially sleeved on the lower end of the solid shaft below the spring support frame, and the lower adjusting nut is threadedly connected with the solid shaft.
[0008] Further, the spring support frame comprises a bottom plate and an inclined plate fixedly connected to one end of the bottom plate, the bottom plate is fixedly connected to the top of the cross beam, a waist-shaped slot is formed in the inclined plate for the solid shaft to pass through, the width of the waist-shaped slot is 1.05-1.2 times of the outer diameter of the solid shaft, the length of the waist-shaped slot is more than 2 times of the outer diameter of the solid shaft, a recess is formed in the bottom plate for the solid shaft and the lower compression spring to pass through, and the top end of the cross beam is provided with a through hole corresponding to the position of the recess for the solid shaft and the lower compression spring to pass through.
[0009] Further, the bottom plate and the two sides of the inclined plate are fixedly connected with support ribs, respectively.
[0010] Further, the cross beam is in C-shaped structure, comprising upper and lower face plates parallel to each other and a side face plate fixedly connected between the upper and lower face plates, and a plurality of support plates are fixedly connected between the upper and lower face plates.
[0011] Further, the number of the support seats is three, one of which is fixedly connected to the middle part of the cross beam, and the other two are symmetrically installed on the two sides of the cross beam, and the three support seats are fixed on the cross beam through bolts.
[0012] Further, a standing foot is fixedly installed at the bottom end of each support seat through a bolt, and the bottom end of the standing foot is fixedly connected with the furrow forming and ridging plate through a bolt.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] When the limiting and supporting horizontal profiling mechanism is applied to the rice direct seeding machine, the furrow forming and ridging plate can be tightly attached to the field surface through the elastic adjustment of the upper and lower compression springs on the left and right sides, so that the consistency of the seeding depth and the quality of the seeding are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model.
[0016] Figure 2 It is a structure schematic view of the limiting and supporting mechanism in the utility model.
[0017] Figure 3 It is a structure schematic view of the cross beam in the utility model.
[0018] Figure 4 It is a structure schematic view of the spring support frame in the utility model.
[0019] 1 - fender, 2 - crossbeam, 3 - limiting support mechanism, 4 - whole machine hanging arm, 5 - bearing seat mechanism, 6 - reversing speed reducer, 7 - support seat, 8 - station foot, 9 - furrowing and ridging plate, 10 - straight rod ball head joint bearing, 11 - solid shaft, 12 - upper adjusting nut, 13 - upper damping pad, 14 - upper compression spring, 15 - spring support frame, 16 - lower compression spring, 17 - lower damping pad, 18 - lower adjusting nut, 19 - through hole, 20 - speed reducer mounting groove, 21 - support plate, 22 - bottom plate, 23 - support rib, 24 - inclined plate, 25 - waist-shaped groove. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Referring to Figures 1-4 A limiting support horizontal profiling mechanism of a rice direct seeding machine, comprising a whole machine hanging arm 4, a bearing seat mechanism 5, a crossbeam 2, a support seat 7, a limiting support mechanism 3 and a furrowing and ridging plate 9, the bearing seat mechanism 5 is fixedly connected to the top middle part of the crossbeam 2, the bottom front side of the whole machine hanging arm 4 is rotatably connected with the bearing seat mechanism 5 through a fixed shaft, the top left and right sides of the whole machine hanging arm 4 are respectively connected with a limiting support mechanism 3 through a straight rod ball head joint bearing 10, the bottom ends of the two limiting support mechanisms 3 are respectively connected with the top ends of the left and right sides of the crossbeam 2, and the furrowing and ridging plate 9 is fixedly connected to the crossbeam 2 through a plurality of support seats 7.
[0022] In the embodiment, the limiting and supporting mechanism 3 comprises a solid shaft 11, an upper compression spring 14, a lower compression spring 16, an upper damping pad 13, a lower damping pad 17, a spring supporting frame 15, the solid shaft 11, an upper adjusting nut 12 and a lower adjusting nut 18. The spring supporting frame 15 is fixedly installed on the top of the cross beam 2. The top end of the solid shaft 11 is connected with the top end of the whole machine hanging arm 4 through a straight rod ball joint bearing 10. The bottom end of the solid shaft 11 penetrates through the spring supporting frame 15. The upper end of the solid shaft 11 located above the spring supporting frame 15 is sequentially sleeved with the upper compression spring 14, the upper damping pad 13 and the upper adjusting nut 12. The upper adjusting nut 12 is threadedly connected with the solid shaft 11. The lower end of the solid shaft 11 located below the spring supporting frame 15 is sequentially sleeved with the lower compression spring 16, the lower damping pad 17 and the lower adjusting nut 18. The lower adjusting nut 18 is threadedly connected with the solid shaft 11. The end portions of the upper compression spring 14 and the lower compression spring 16 are pressed and ground flat. The compression amount of the upper compression spring 14 can be adjusted by screwing the upper adjusting nut 12, and the compression amount of the lower compression spring 16 can be adjusted by screwing the lower adjusting nut 18, so that the furrow and ridge forming plate 9 is in a horizontal state.
[0023] In the embodiment, corresponding damping pads are arranged between the bottom end of the upper compression spring 14 and the spring supporting frame 15 and between the top end of the lower compression spring 16 and the spring supporting frame 15. The damping pads can play a damping and buffering role and can also play a role of limiting and supporting the end portions of the springs.
[0024] In the embodiment, the spring support frame 15 comprises a bottom plate 22 and an inclined plate 24 fixedly connected to one end of the bottom plate 22, the bottom plate 22 is fixedly connected to the top of the cross beam 2, the inclined plate 24 is provided with a waist-shaped slot 25 for the solid shaft 11 to pass through, the width of the waist-shaped slot 25 is 1.05-1.2 times of the outer diameter of the solid shaft 11, the length of the waist-shaped slot 25 is more than 2 times of the outer diameter of the solid shaft 11, the setting of the waist-shaped slot 25 can limit the horizontal deviation of the solid shaft 11, but can ensure that the solid shaft 11 can move in the vertical direction, the bottom plate 22 is provided with a groove for the solid shaft 11 and the lower compression spring 16 to pass through, the top end of the cross beam 2 is provided with a through hole 19 for the solid shaft 11 and the lower compression spring 16 to pass through at the position corresponding to the groove, the setting of the groove and the through hole 19 can prevent the cross beam 2 and the bottom plate 22 from interfering with the axial movement of the solid shaft 11 and the lower compression spring 16. When the machine tool is tilted due to different field mud feet, the machine body is tilted, the whole machine tool hanging arm 4 is rotated, the hanging part is also rotated to one side, the force generated is acted on the solid shaft 11 through the straight rod ball joint bearing 10, the solid shaft 11 on one side of the whole machine tool hanging arm 4 moves to the obliquely downward, the distance between the spring support frame 15 on this side and the upper adjusting nut 12 is shortened, the distance between the spring support frame 15 on this side and the lower adjusting nut 18 is increased, the compression amount of the upper compression spring 14 is increased, the compression amount of the lower compression spring 16 is reduced, the solid shaft 11 on the other side of the whole machine tool hanging arm 4 moves to the obliquely upward, the distance between the spring support frame 15 on this side and the upper adjusting nut 12 is shortened, the distance between the spring support frame 15 on this side and the lower adjusting nut 18 is increased, the compression amount of the upper compression spring 14 is increased, the compression amount of the lower compression spring 16 is reduced, so that the hanging part and the field form a torque balance, so that the furrow ridging plate 9 remains in a horizontal state and does not tilt with the tilt of the vehicle body.
[0025] In the embodiment, the bottom plate 22 and the two sides of the inclined plate 24 are respectively fixedly connected with support ribs 23, which can improve the strength and stability of the spring support frame 15.
[0026] In the embodiment, the cross beam 2 is a C-shaped structure, comprising upper and lower panels parallel to each other and side panels fixedly connected between the upper and lower panels, a plurality of support plates 21 are fixedly connected between the upper and lower panels, the support plates 21 are symmetrically distributed on the left and right sides and are arranged in the area that bears more load, thereby improving the strength of the cross beam 2 and preventing it from deforming.
[0027] In the embodiment, the number of support seats 7 is three, one of which is fixedly connected to the middle of the cross beam 2, and the other two are symmetrically installed on the two sides of the cross beam 2, and the three support seats 7 are all fixed on the cross beam 2 by bolts.
[0028] In the embodiment, a standing foot 8 is fixedly installed on the bottom end of each support seat 7 by a bolt, and the bottom end of the standing foot 8 is fixedly connected with the furrow ridging plate 9 by a bolt.
[0029] In the embodiment, the two ends of the furrow forming and ridging plate 9 are fixedly connected with the mudguards 1 respectively.
[0030] In the embodiment, the side plate of the cross beam 2 is provided with a reducer mounting groove 20, and the reversing reducer 6 is mounted at the reducer mounting groove 20.
[0031] When the limiting support horizontal profiling mechanism is applied to the rice direct seeding machine, through the elastic adjustment of the left and right upper and lower compression springs, the furrow forming and ridging plate can be tightly attached to the field surface, thereby ensuring the consistency of the seeding depth and the quality of the seeding.
[0032] The above is only the preferred embodiment of the present application, and does not limit the technical scope of the present application in any way. Therefore, any slight modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belong to the scope of the technical solution of the present application.
Claims
1. A limiting support horizontal profiling mechanism of a rice direct seeding machine, characterized in that, The utility model provides a kind of multi-functional combined ditching and ridging machine, including whole machine hanging arm, bearing seat mechanism, crossbeam, support seat, limiting support mechanism and ditching and ridging plate, the bearing seat mechanism is fixedly connected in the top end middle part of the crossbeam, the bottom front side of the whole machine hanging arm is rotatably connected with the bearing seat mechanism by fixed shaft, the top left and right sides of the whole machine hanging arm are respectively connected with a limiting support mechanism by straight rod ball joint bearing, the bottom end of two limiting support mechanisms is respectively connected with the top end two sides of the crossbeam, and the ditching and ridging plate is fixedly connected on the crossbeam by a plurality of support seats.
2. The limiting support horizontal profiling mechanism of a rice direct seeding machine according to claim 1, characterized in that, The limiting support mechanism includes solid shaft, upper compression spring, lower compression spring, upper damping pad, lower damping pad, spring support frame, solid shaft, upper adjusting nut and lower adjusting nut, the spring support frame is fixedly installed on the top of the crossbeam, the top end of the solid shaft is connected with the top end of the whole machine hanging arm by the straight rod ball joint bearing, the bottom end of the solid shaft passes through the spring support frame, the upper end of the solid shaft located in spring support frame is sequentially sleeved with upper compression spring, upper damping pad and upper adjusting nut, the upper adjusting nut is threadedly connected with the solid shaft, the lower end of the solid shaft located in spring support frame is sequentially sleeved with lower compression spring, lower damping pad and lower adjusting nut, and the lower adjusting nut is threadedly connected with the solid shaft.
3. The limiting support horizontal profiling mechanism of a rice direct seeding machine according to claim 2, characterized in that, The spring support frame includes a bottom plate and an inclined plate fixedly connected to one end of the bottom plate, the bottom plate is fixedly connected to the top of the crossbeam, a waist-shaped groove is formed in the inclined plate for the solid shaft to pass through, the width of the waist-shaped groove is 1.05-1.2 times the outer diameter of the solid shaft, the length of the waist-shaped groove is more than 2 times the outer diameter of the solid shaft, a groove is formed in the bottom plate for the solid shaft and the lower compression spring to pass through, and a through hole is formed in the top end of the crossbeam corresponding to the groove for the solid shaft and the lower compression spring to pass through.
4. The limiting support horizontal profiling mechanism of a rice direct seeding machine according to claim 3, characterized in that, Supporting ribs are fixedly connected between the bottom plate and the two sides of the inclined plate.
5. The limiting support horizontal profiling mechanism of a direct seeding rice planter according to claim 1, wherein, The crossbeam has a C-shaped structure, including upper and lower face plates parallel to each other and a side plate fixedly connected between the upper and lower face plates, and a plurality of support plates are fixedly connected between the upper and lower face plates.
6. The limiting support horizontal profiling mechanism of a direct seeding rice planter according to claim 1, wherein, The number of support seats is three, one of which is fixedly connected to the middle of the crossbeam, and the other two are symmetrically installed on the two sides of the crossbeam, and the three support seats are all fixed on the crossbeam by bolts.
7. The limiting support horizontal profiling mechanism of a direct seeding rice planter according to claim 1, wherein, A standing foot is fixedly installed on the bottom end of each support seat by a bolt, and the bottom end of the standing foot is fixedly connected to the ditching and ridging plate by a bolt.