Agricultural trenching tool for planting

Abstract

An agricultural trenching tool for planting comprises a mounting disc (1), a cutter assembly (3), and a teeth assembly (4), wherein the cutter assembly (3) comprises a plurality of first cutter blades (31) and a plurality of second cutter blades (32), the plurality of first cutter blades (31) and the plurality of second cutter blades (32) being respectively fixed on two disc surfaces of the mounting disc (1) at intervals along the circumferential direction of the mounting disc (1) and being arranged in a staggered manner; cutting edges (341) of the plurality of second cutter blades (32) and of the plurality of first cutter blades (31) are arranged at an angle relative to a rotational tangent of the mounting disc (1); and the teeth assembly (4) comprises a plurality of first teeth (41) and a plurality of second teeth (42), the plurality of first teeth (41) and the plurality of second teeth (42) being respectively located between each adjacent pair of the first cutter blades (31) and each adjacent pair of the second cutter blades (32) and being respectively fixed on edges of the two disc surfaces of the mounting disc, with teeth portions oriented in the direction of the rotation of the mounting disc. By utilizing an eccentric rotating mounting disc, the tool enhances the vibration effect of the entire structure, thereby reducing soil resistance during digging, preventing soil adhesion, and improving the trenching efficiency.

Description

Planting agricultural furrow cutter TECHNICAL FIELD

[0001] The present application relates to the technical field of furrow cutter, in particular to a planting agricultural furrow cutter. BACKGROUND

[0002] With the rapid development of planting agriculture, how to improve the production efficiency has become the focus of people's attention, especially in the trenching and slotting operation, how to improve the slotting efficiency, improve the slotting safety, shorten the slotting period, has become the focus of agricultural researchers.

[0003] At present, planting agriculture generally uses slotting machine for slotting operation, mainly including walking mechanism, slotting power mechanism and slotting cutter, the fixed part of the trenching power mechanism is fixed on the walking mechanism; the slotting cutter is fixed on the power output part of the trenching power mechanism and rotates under the driving of the power output part; wherein, the slotting cutter such as patent number CN102689045A, patent name is a multi-tool head slotting cutter, mainly including installation disc and multiple digging knives, multiple digging knives are uniformly fixed on the edge of the installation disc along the circumference of the installation disc, can drive multiple digging knives to dig soil in turn while the installation disc rotates, improve the slotting operation efficiency, reduce the labor intensity of workers.

[0004] However, the slotting cutter needs to be in direct hard contact with the soil in the rotating slotting, which causes the resistance of the slotting soil to be too large, which is easy to cause the slotting cutter to break and fracture, and shorten the service life; at the same time, the slotting soil is mostly wet soil, which is easy to stick to the slotting cutter, causing the rotation speed of the slotting cutter to decrease, the slotting efficiency to be low, and the slotting operation completion time to be prolonged.

[0005] Therefore, how to design a planting agricultural furrow cutter is a problem to be solved by those skilled in the art. SUMMARY

[0006] The present application provides a planting agricultural furrow cutter, which solves the technical problems of too large slotting resistance (easy to break and fracture) and easy to stick to the slotting soil (low slotting efficiency) of the existing slotting cutter.

[0007] The technical scheme for solving the above technical problems is as follows: a planting agricultural furrow cutter, which can be drivingly connected with a power mechanism, comprising: an installation disc, a power connection disc, a digging knife assembly and an elastic digging tooth assembly,

[0008] The two disc surfaces of the mounting disc are a first disc surface and a second disc surface; one disc surface of the power connecting disc is fixed concentrically on the first disc surface and the other disc surface is eccentrically connected in transmission with the power mechanism; the digging blade assembly comprises a plurality of first digging blades and a plurality of second digging blades, the plurality of first digging blades are fixed at intervals along the circumference of the mounting disc on the edge of the first disc surface, the plurality of second digging blades are arranged at intervals along the circumference of the mounting disc on the edge of the second disc surface in a staggered manner with the plurality of first digging blades, the plurality of second digging blades and the plurality of first digging blades are curved towards each other and the blade parts thereof are arranged at an angle to the tangent of the rotation of the mounting disc; the digging tooth assembly comprises a plurality of first digging teeth and a plurality of second digging teeth, the plurality of first digging teeth are fixed on the edge of the first disc surface between every two adjacent first digging blades, the plurality of second digging teeth are fixed on the edge of the second disc surface between every two adjacent second digging blades, and the tooth parts of the plurality of first digging teeth and the plurality of second digging teeth are arranged towards the rotation direction of the mounting disc.

[0009] The beneficial effects of the present application are:

[0010] 1. The power connecting disc is eccentrically fixed on the driving machine to drive the eccentric rotation of the mounting disc, which can enhance the vibration efficiency of the mounting disc and the plurality of first digging blades, the plurality of second digging blades, the plurality of first digging teeth and the plurality of second digging teeth fixed on the mounting disc, thereby reducing the resistance of excavated soil by using the enhanced vibration force, avoiding soil adhesion and improving the trenching efficiency.

[0011] 2. The plurality of first digging teeth and the plurality of second digging teeth are fixed on the eccentric rotating mounting disc by using elasticity, which can greatly increase the vibration amplitude of the plurality of first digging teeth and the plurality of second digging teeth, reduce the soil resistance and avoid soil adhesion.

[0012] On the basis of the above technical solutions, the present application can also be improved as follows.

[0013] Further, the diameter of the power connecting disc is smaller than the diameter of the mounting disc; and the plurality of first digging blades are distributed on the outer circumferential side of the power connecting disc.

[0014] Further, the first digging blade and the second digging blade are identical in structure and each comprises a digging blade fixing seat plate and a digging blade blade integrally connected, a plurality of groups of digging blade connecting holes are arranged on the first disc surface and the second disc surface of the mounting disc near the edge in a circumferential direction, each group of the digging blade connecting holes comprises at least two digging blade connecting holes, at least two digging blade mounting holes are arranged on each digging blade fixing seat plate, the at least two digging blade mounting holes are opposite to the at least two digging blade connecting holes respectively and are connected by bolts, the blade part is a front side of the digging blade blade corresponding to a rotation direction of the mounting disc, and a blade surface of the digging blade blade of the first digging blade and a blade surface of the digging blade blade of the second digging blade are curved towards each other.

[0015] The further beneficial effect is that the digging blade fixing seat plate and the mounting disc can be conveniently disassembled and assembled by using the bolts passing through the corresponding digging blade connecting holes and the digging blade mounting holes, and the replacement efficiency of the single first digging blade or the single second digging blade is improved.

[0016] Further, the rear side of the digging blade blade corresponding to the rotation direction of the mounting disc is a back part, and an arc distance length L1 between the blade part and the digging blade fixing seat plate is greater than an arc distance length L2 between the back part and the digging blade fixing seat plate.

[0017] The further beneficial effect is that the arc length of the blade part of the digging blade blade is greater than the arc length of the back part, the working surface for digging soil is increased, the adhesion surface of the soil adhesion is reduced, the soil adhesion is maximally reduced, and the trenching efficiency is improved.

[0018] Further, the first digging blade and the second digging blade are identical in structure and each comprises a digging blade fixing seat plate and a digging blade blade integrally connected, a plurality of groups of digging blade connecting holes are arranged on the first disc surface and the second disc surface of the mounting disc near the edge in a circumferential direction, each group of the digging blade connecting holes comprises at least two digging blade connecting holes, at least two digging blade mounting holes are arranged on each digging blade fixing seat plate, the at least two digging blade mounting holes are opposite to the at least two digging blade connecting holes respectively and are connected by bolts, the blade part is a front side of the digging blade blade corresponding to a rotation direction of the mounting disc, and a blade surface of the digging blade blade of the first digging blade and a blade surface of the digging blade blade of the second digging blade are curved towards each other.

[0019] The further beneficial effect is that the digging blade fixing seat plate and the mounting disc can be conveniently disassembled and assembled by using the bolts passing through the corresponding digging blade connecting holes and the digging blade mounting holes, and the replacement efficiency of the single first digging blade or the single second digging blade is improved.

[0020] Further, the digging tooth head comprises a connecting part and a digging tooth part which are integrally connected in L shape, the connecting part is fixed on the elastic support, and the digging tooth part is arranged in wave shape along the rotation direction of the mounting disc.

[0021] The further beneficial effect of the above is that the digging tooth part arranged in wave shape along the rotation direction of the mounting disc can reduce the soil resistance of slotting and improve the digging efficiency.

[0022] Further, the elastic support comprises an elastic fixing rod and an elastic supporting rod, one end of the fixing rod is fixed on the digging tooth fixing base plate and the other end is fixed on the digging tooth head, one end of the supporting rod is fixed on the rod wall of the fixing rod at a predetermined angle and the other end is fixed on the digging tooth head, and the fixing rod and the supporting rod are both made of high-elastic metal material.

[0023] Further, the cross sections of the fixing rod and the supporting rod are all triangular, pentagonal or hexagonal.

[0024] Further, it further comprises a standby mounting disc, the diameter of the standby mounting disc is smaller than that of the mounting disc, one disc surface of the standby mounting disc is fixed concentrically on the second disc surface, and a plurality of the second digging blades are distributed on the outer peripheral side of the standby mounting disc.

[0025] Further, it further comprises a standby power connecting disc, the diameter of the standby power connecting disc is smaller than that of the standby mounting disc, one disc surface of the standby power connecting disc is fixed concentrically on the other disc surface of the standby mounting disc which is away from the mounting disc.

[0026] Further, a plurality of power connecting holes are arranged on the power connecting disc and the standby power connecting disc, and the plurality of power connecting holes are arranged eccentrically with respect to the center of the corresponding power connecting disc or the center of the corresponding standby power connecting disc. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is a rear view of a planting agricultural ditching cutter according to the present application;

[0028] Fig. 2 is a front view of a planting agricultural ditching cutter according to the present application;

[0029] Fig. 3 is a perspective view of a mounting disc and a power connecting disc in a planting agricultural ditching cutter according to the present application;

[0030] Fig. 4 is a perspective view of a mounting disc, a standby mounting disc and a standby power connecting disc in a planting agricultural ditching cutter according to the present application;

[0031] Fig. 5 is a perspective view of a first digging blade or a second digging blade in a planting agricultural ditching cutter according to the present application;

[0032] Fig. 6 is a perspective view of a first or second digging tooth of the agricultural planting opening tool according to the present application. DETAILED DESCRIPTION

[0033] The principles and features of the present application are described below in conjunction with the accompanying drawings, in which the examples are used to explain the present application and are not intended to limit the scope of the present application.

[0034] As shown in Fig. 1, an agricultural planting opening tool can be connected to a power mechanism, comprising a mounting disc 1, a power connecting disc 2, a digging blade assembly 3, and a flexible digging tooth assembly 4,

[0035] The two disc surfaces of the mounting disc 1 are a first disc surface 11 and a second disc surface 12. One disc surface of the power connecting disc 2 is fixed concentrically on the first disc surface 11, and the other disc surface is eccentrically connected to the power mechanism. The digging blade assembly 3 comprises a plurality of first digging blades 31 and a plurality of second digging blades 32. The plurality of first digging blades 31 are fixed at intervals along the circumference of the mounting disc 1 on the edge of the first disc surface 11. The plurality of second digging blades 32 are arranged in a staggered manner with the plurality of first digging blades 31 and are fixed at intervals along the circumference of the mounting disc 1 on the edge of the second disc surface 12. The plurality of second digging blades 32 and the plurality of first digging blades 31 are curved towards each other, and the blade portions 341 are arranged at an angle to the tangent of the rotation of the mounting disc 1. The digging tooth assembly 4 comprises a plurality of first digging teeth 41 and a plurality of second digging teeth 42. The plurality of first digging teeth 41 are fixed on the edge of the first disc surface 11 between every two adjacent first digging blades 31. The plurality of second digging teeth 42 are fixed on the edge of the second disc surface 12 between every two adjacent second digging blades 32. The tooth portions of the plurality of first digging teeth 41 and the plurality of second digging teeth 42 are arranged towards the direction of rotation of the mounting disc 1.

[0036] In some embodiments, the diameter of the power connecting disc 2 is smaller than the diameter of the mounting disc 1. The plurality of first digging blades 31 are distributed on the outer circumferential side of the power connecting disc 2.

[0037] In some embodiments, the plurality of first digging blades 31 and the plurality of second digging blades 32 have the same structure and each comprise an integrated digging blade fixing seat plate 33 and a digging blade 34. The first disc surface 11 and the second disc surface 12 near the edge of the mounting disc 1 are provided with a plurality of groups of staggered digging blade connecting hole groups along the circumference, each group of digging blade connecting hole groups comprising at least two digging blade connecting holes 13. Each digging blade fixing seat plate 33 is provided with at least two digging blade mounting holes 331, which are opposite to the at least two digging blade connecting holes 13 and connected by bolts. The blade portion 341 is the front side of the digging blade 34 corresponding to the direction of rotation of the mounting disc 1, and the blade surfaces of the digging blades 34 of the first digging blades 31 and the second digging blades 32 are curved towards each other.

[0038] In some specific embodiments, the rear side of the digging blade 34 corresponding to the rotation direction of the mounting disc 1 can be the back 342, and the arc distance length L1 between the blade part 341 and the digging blade fixing seat plate 33 is greater than the arc distance length L2 between the back 342 and the digging blade fixing seat plate 33.

[0039] In some specific embodiments, the plurality of first digging teeth 41 and the plurality of second digging teeth 42 have the same structure and each can include a digging tooth fixing seat plate 43, an elastic support 44, and a digging tooth head 45. The first disc surface 11 and the second disc surface 12 of the mounting disc 1 near the edge are provided with a plurality of groups of digging tooth connecting hole groups in the circumferential direction, each digging tooth connecting hole group is located between two adjacent digging blade connecting hole groups and includes at least two digging tooth connecting holes 14; the digging tooth fixing seat plate 43 is provided with at least two digging tooth mounting holes 431, which are respectively arranged opposite to the at least two digging tooth connecting holes 14 and connected by bolts; the elastic support 44 is fixed vertically on the side end of the digging tooth fixing seat plate 43; and the digging tooth head 45 is a tooth part and is fixed on the elastic support 44.

[0040] In some specific embodiments, the digging tooth head 45 can include an L-shaped connecting part 451 and a digging tooth part 452 integrally connected, the connecting part 451 is fixed on the elastic support 44; and the digging tooth part 452 is arranged in a wave shape along the rotation direction of the mounting disc 1.

[0041] In some specific embodiments, the elastic support 44 can include an elastic fixing rod 441 and an elastic support rod 442, one end of the fixing rod 441 is fixed on the digging tooth fixing seat plate 43 and the other end thereof is fixed on the digging tooth head 45; one end of the support rod 442 is fixed on the rod wall of the fixing rod 441 at a predetermined angle and the other end thereof is fixed on the digging tooth head 45, and the fixing rod 441 and the support rod 442 are both selected from high-elastic metal materials.

[0042] In some specific embodiments, a standby mounting disc 5 can also be included, the diameter of the standby mounting disc 5 is smaller than that of the mounting disc 1, and one disc surface thereof is fixed concentrically on the second disc surface 12; and the plurality of second digging blade parts 32 are distributed on the outer circumferential side of the standby mounting disc 5.

[0043] In some specific embodiments, a standby power connecting disc 6 can also be included, the diameter of the standby power connecting disc 6 is smaller than that of the standby mounting disc 5, and one disc surface thereof is fixed concentrically on the other disc surface of the standby mounting disc 5 away from the mounting disc 1.

[0044] In some specific embodiments, a plurality of power connecting holes 7 can be arranged on the power connecting disc 2 and the standby power connecting disc 6, and the plurality of power connecting holes 7 are arranged eccentrically with respect to the center of the corresponding power connecting disc 2 or the center of the corresponding standby power connecting disc 6.

[0045] The above merely preferred embodiments of the present application and are not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An agricultural planting furrow opener which is drivable connected to a power source, characterized in that, The utility model relates to a kind of excavator, including: Mounting disc, two disc surfaces of the mounting disc are first disc surface and second disc surface respectively; Power connection disc, one disc surface of the power connection disc is fixed concentrically on the first disc surface, and the other disc surface is eccentric and connected with the power mechanism transmission; Excavator blade assembly, the excavator blade assembly includes a plurality of first excavator blades and a plurality of second excavator blades, a plurality of the first excavator blades are fixed on the edge of the first disc surface along the circumference of the mounting disc;A plurality of the second excavator blades are arranged with a plurality of the first excavator blades respectively and fixed on the edge of the second disc surface along the circumference of the mounting disc;A plurality of the second excavator blades and a plurality of the first excavator blades are curved towards each other and the blade part is arranged at an angle with the rotating tangent of the mounting disc; Elastic excavator tooth assembly, the excavator tooth assembly includes a plurality of first excavator teeth and a plurality of second excavator teeth, a plurality of the first excavator teeth are fixed on the edge of the first disc surface corresponding to two adjacent first excavator blades;A plurality of the second excavator teeth are fixed on the edge of the second disc surface corresponding to two adjacent second excavator blades, and the tooth part of a plurality of the first excavator teeth and a plurality of the second excavator teeth is arranged towards the rotating direction of the mounting disc.

2. An agricultural cutting tool for planting according to claim 1, wherein, The diameter of the power connection disc is smaller than the diameter of the mounting disc;A plurality of the first excavator blades are distributed on the outer circumferential side of the power connection disc.

3. A planting agricultural opening tool according to claim 2, characterized in that, A plurality of the first excavator blades and a plurality of the second excavator blades are the same structure and include an integrated excavator blade fixing seat plate and excavator blade, a plurality of groups of excavator connection hole groups are arranged on the first disc surface and the second disc surface along the circumference near the edge of the mounting disc, each group of excavator connection hole groups includes at least two excavator connection holes;At least two excavator mounting holes are provided on each excavator fixing seat plate, and at least two excavator mounting holes are opposite to at least two excavator connection holes and connected by bolts;The blade part is the front side of the excavator blade corresponding to the rotating direction of the mounting disc, and the blade surface of the excavator blade of the first excavator blade and the blade surface of the excavator blade of the second excavator blade are curved towards each other.

4. A planting agricultural opener according to claim 3, wherein, The rear side of the excavator blade corresponding to the rotating direction of the mounting disc is the back, and the arc distance length L between the blade part and the excavator fixing seat plate is greater than the arc distance length L between the back and the excavator fixing seat plate.

5. The agricultural planting opening tool of claim 1, wherein, A plurality of the first excavator teeth and a plurality of the second excavator teeth are the same structure and include excavator tooth fixing seat plate, elastic support and excavator tooth head, a plurality of groups of excavator connection hole groups are arranged on the first disc surface and the second disc surface along the circumference near the edge of the mounting disc, each excavator connection hole group is located between two adjacent excavator connection hole groups and includes at least two excavator connection holes;At least two excavator mounting holes are provided on the excavator tooth fixing seat plate, and at least two excavator mounting holes are arranged opposite to at least two excavator connection holes and connected by bolts;The elastic support is vertically fixed on the side end of the excavator tooth fixing seat plate;The excavator tooth head is the tooth part and is fixed on the elastic support.

6. An agricultural cutting tool for planting according to claim 5, wherein, The digging tooth head comprises a connecting part and a digging tooth part which are integrally connected in L shape, the connecting part is fixed on the elastic support, and the digging tooth part is arranged in wave shape along the rotation direction of the mounting disc.

7. A planting agricultural opener according to claim 5, wherein, The elastic support comprises elastic fixing rods and elastic supporting rods, one end of the fixing rod is fixed on the digging tooth fixing base plate and the other end is fixed on the digging tooth head, one end of the supporting rod is fixed on the rod wall of the fixing rod at a predetermined angle and the other end is fixed on the digging tooth head, and the fixing rod and the supporting rod are made of high elastic metal material.

8. The agricultural planting opening tool of claim 1, wherein, The spare mounting disc is also included, the diameter of the spare mounting disc is smaller than that of the mounting disc, one disc surface of the spare mounting disc is fixed concentrically on the second disc surface, and a plurality of second digging blades are distributed on the outer peripheral side of the spare mounting disc.

9. A planting agricultural opener according to claim 8, wherein, The spare power connecting disc is also included, the diameter of the spare power connecting disc is smaller than that of the spare mounting disc, one disc surface of the spare power connecting disc is fixed concentrically on the other disc surface of the spare mounting disc which is away from the mounting disc.

10. A planting agricultural opener according to claim 9, wherein, A plurality of power connecting holes are arranged on the power connecting disc and the spare power connecting disc, and the power connecting holes are arranged eccentrically with respect to the center of the corresponding power connecting disc or the corresponding spare power connecting disc.

Images