CN107278433B - Ditching knife driving structure assembly - Google Patents
Ditching knife driving structure assembly Download PDFInfo
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- CN107278433B CN107278433B CN201710608484.1A CN201710608484A CN107278433B CN 107278433 B CN107278433 B CN 107278433B CN 201710608484 A CN201710608484 A CN 201710608484A CN 107278433 B CN107278433 B CN 107278433B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The invention discloses a ditching cutter driving structure assembly, which comprises a cutter set and a transmission mechanism; the cutter group comprises a first cutter shaft and a second cutter shaft, the outer side ends of the first cutter shaft and the second cutter shaft are respectively provided with a ditching cutter, the inner side ends of the first cutter shaft and the second cutter shaft are oppositely arranged, and the outer side ends of the first cutter shaft and the second cutter shaft respectively extend outwards at a certain downward inclination angle, so that a V-shaped structure is formed between the ditching cutters of the first cutter shaft and the ditching cutters of the second cutter shaft; the transmission mechanism comprises a transmission shaft which is arranged in a transmission fit manner with the first cutter shaft or the second cutter shaft; the transmission shaft drives one of the two cutter shafts to drive simultaneously, and in the driving mode, the arrangement mode that the first cutter shaft and the second cutter shaft intersect with each other to form a certain angle with the axis is not influenced, so that after the ditching cutter is installed on the corresponding cutter shaft, the ditching cutter can incline to the lower side of the box body of the ditcher from top to bottom after the ditching cutter is installed, and a boss which is formed in the ditching mode of the ditching cutter of the miniature ditcher and is positioned below the cutter shaft installation shell in the prior art is eliminated.
Description
Technical Field
The invention relates to the field of ditchers, in particular to a ditching cutter driving structure assembly.
Background
In the prior art, the ditching machine mainly comprises a large and medium ditching machine and a microminiature ditching machine, wherein the ditching modes of the large and medium ditching machine mainly comprise chain cutter type ditching machines, disc cutter type ditching machines, spiral ditching machines and the like, and the microminiature ditching machines respectively comprise hoe shovel type ditching machines, wing shovel type ditching machines, ship shovel type ditching machines, core share ditching machines, single disc type ditching machines, double disc type ditching machines, sliding cutter type ditching machines and the like according to different soil entering angles; the large and medium-sized ditcher is mainly suitable for ditching and slotting in various pipe network constructions such as ditching, surrounding ditch digging, water ditch digging, underground pipeline, electric (optical) cable laying and the like in agricultural production. The large and medium-sized machine is not suitable for the operation of small-sized fields in agricultural production, and generally used in the field of small-sized field planting industry are miniature ditchers, and the current small-sized vegetable fields, orchard fields, crop field areas and greenhouse planting fields are widely used.
However, in the field of ditching machines, especially such miniature ditching machines, a hoe shovel type, a wing shovel type, a ship-shaped shovel type, a core share type, a single disc type, a double disc type, a sliding knife type and other ditching modes are used, and the common characteristics are that the tool does not generate any rotary cutting on soil, only the tool is pulled to travel by means of external force, so that the tool extrudes and separates the soil to form a ditch to realize ditching formation. This method requires that the soil must be soft, and therefore is only suitable for some places in north of China, or secondary ditching operation after soil loosening operation is performed, and therefore has limitations in use and use methods. The prior art discloses a ditching mode of ditching knife, which is an operation mode of cutting and throwing the soil to form a ditch by means of the rotation function of a working knife, and has great progress compared with the prior ditching mode, and the ditching mode of the ditching knife provides possibility for ditching operation of hard soil, but because the working knife is arranged at two ends of a horizontal shaft of a ditcher box body, the rotation of the ditching knife can only produce operation on the corresponding areas at two ends of the box body, a boss is formed at a place under the ditcher box body, which is not cut by the working knife in a rotary cutting way, and the existence of the boss substantially influences the formation of the ditch. Meanwhile, the ditching device is prevented from entering the ground, so that the ditching depth is greatly limited, and the ditching depth is the root cause of the fact that the phase type ditcher is not ideal when working on hard soil. In order to overcome the defects, in the prior art, a small shovel is arranged at a relevant position below a furrow opener box body, a boss formed by the small shovel is shoveled out in the operation process, the mode has a certain effect on a soft soil, the effect on a hard soil is not obvious, the ditching depth is insufficient, the power loss is large, the ditching depth meets the requirements of users in order to realize the ditching, the ditching depth is repeatedly opened in the actual production, the operation is time-consuming and labor-consuming, the energy is not saved enough, and the energy waste is caused.
Therefore, the conventional ditching mode of the ditching machine needs to be improved, so that the ditching machine is easy to fill soil when ditching operation is carried out on hard soil, the ditching is good in forming, the power loss is low, and the operation is convenient and easy.
Disclosure of Invention
In view of the above, the invention provides a ditching knife driving structure assembly, which is easy to fill soil when ditching operation is carried out on hard soil, good in ditch forming, low in power consumption and convenient and easy to operate.
The ditching cutter driving structure assembly comprises a first cutter shaft, a second cutter shaft and a transmission mechanism; the outer side ends of the first cutter shaft and the second cutter shaft are respectively in transmission fit with each other, the inner side ends of the first cutter shaft and the second cutter shaft are oppositely arranged, and the outer side ends of the first cutter shaft and the second cutter shaft respectively extend outwards at a certain downward inclination angle, so that a V-shaped structure is formed between the ditching cutters of the first cutter shaft and the ditching cutters of the second cutter shaft;
the transmission mechanism at least comprises a transmission shaft for transmitting driving power, the inner side ends of the first cutter shaft and the second cutter shaft form transmission fit, and the transmission shaft is arranged in a mode of inputting the driving power by one of the inner side ends of the first cutter shaft and the second cutter shaft.
Further, each of the furrowing blades is formed of blades arranged in the circumferential direction, and the blades of the two furrowing blades intersect each other at the bottom of the V-shaped structure.
Further, the blade is located at the working end to form a twist angle for turning out soil during ditching.
Further, the axes of the first arbor and the second arbor intersect at an angle ranging from 90 ° to 160 °.
Further, the blade adopts the rotary tillage blade, and the rotation angle of rotary tillage blade work tip is used for the soil that turns up when ditching.
Further, the degree of rotation angle ranges from 100 to 130;
the blade comprises a knife handle and a knife body, wherein the torsion angle of the joint of the knife body and the knife handle is 5-35 degrees relative to the knife handle.
Further, the ditching knife further comprises a cutter head, the cutter head is arranged on the corresponding first cutter shaft and second cutter shaft in a transmission fit mode, and the blades are at least two blades detachably arranged on the cutter head along the circumferential direction.
Further, the ditching knife driving structure assembly further comprises a knife shaft mounting shell, wherein the knife shaft mounting shell is provided with a first supporting part and a second supporting part which are in one-to-one correspondence with the first knife shaft and the second knife shaft, and a certain angle folding structure is formed between the first supporting part and the second supporting part and is adapted to the arrangement structure of the first knife shaft and the second knife shaft; the cutter shaft mounting shell is provided with a mounting opening for the transmission shaft to pass through.
Further, a first transmission bevel gear is coaxially arranged at the inner side end part of the first cutter shaft, and a second transmission bevel gear which is in transmission engagement with the first transmission bevel gear is coaxially arranged at the inner side end part of the second cutter shaft;
the driving bevel gear is arranged on the transmission shaft, and the driven bevel gear meshed with the driving bevel gear in an axis crossing manner is circumferentially fixed on the first cutter shaft or the second cutter shaft.
Further, at least one double-sided bevel gear is further arranged on the transmission shaft along the axial direction, a side-way ditching unit for realizing ditching is arranged in transmission engagement with at least one side of the double-sided bevel gear, the side-way ditching units positioned on two sides of the same double-sided bevel gear are arranged on two radial sides of the transmission shaft in a split manner, and each side-way ditching unit comprises a side-way ditching cutter shaft and a side-way ditching driving bevel gear which is circumferentially fixed on the side-way ditching cutter shaft and is in engagement transmission with the double-sided bevel gear in a mode of intersecting with the axis.
The invention has the beneficial effects that: according to the ditching cutter driving structure assembly, as the inner side end parts of the first cutter shaft and the second cutter shaft are in transmission fit, one of the transmission shafts can drive the two cutter shafts to work simultaneously, the driving is simple, the implementation is easy, and the structure is compact; meanwhile, in the driving mode, the structure arrangement that the outer side ends of the first cutter shaft and the second cutter shaft extend towards two ends at a certain downward inclination angle respectively is not influenced, so that after the ditching cutters are arranged on the corresponding cutter shafts, the two ditching cutters are arranged in a V-shaped structure, namely, each ditching cutter is inclined downwards from top to bottom to the lower side of the box body of the ditcher after the ditching cutters are arranged, and a boss which is formed in the ditching mode of the ditching cutters of the microminiature ditcher and is positioned below the cutter shaft mounting shell in the prior art can be eliminated; and the ditching cutters are symmetrical in V shape in a manner of respectively forming the declining angles by the first cutter shaft and the second cutter shaft, so that the ditching cutter has the advantages of simple integral structure, easiness in operation and control, low power loss, easiness in soil entering when ditching operation is carried out on hard soil, and good ditch forming.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic view of a mounting structure of a first cutter shaft and a second cutter shaft in the present invention;
fig. 2 is a schematic diagram of a matching structure of a first cutter shaft, a second cutter shaft and a transmission shaft in the invention;
FIG. 3 is a schematic view of the mounting structure of the cutter shaft and the corresponding ditching cutter in the present invention;
FIG. 4 is a schematic view of a housing portion according to the present invention;
FIG. 5 is a schematic view of the structure of the ditching cutter in the invention;
FIG. 6 is a schematic view of the mating structure of the housing portion and the tool shaft sleeve according to the present invention;
FIG. 7 is a schematic diagram of the cooperation structure of the transmission shaft and the side road ditching unit in the invention;
FIG. 8 is a schematic diagram showing the cooperation structure of a single double-sided bevel gear and a side channel ditching unit on a transmission shaft in the invention;
FIG. 9 is a view of the single blade of FIG. 3 in the direction A-A;
fig. 10 is a schematic view of the rotation angle structure of the blade in the present invention.
Detailed Description
Fig. 1 is a schematic view of a mounting structure of a first cutter shaft and a second cutter shaft in the present invention, fig. 2 is a schematic view of a mating structure of the first cutter shaft, the second cutter shaft and a transmission shaft in the present invention, fig. 3 is a schematic view of a mounting structure of the cutter shaft and a corresponding ditching cutter in the present invention, fig. 4 is a schematic view of a housing portion in the present invention, fig. 5 is a schematic view of a structure of a ditching cutter in the present invention, fig. 6 is a schematic view of a mating structure of a housing portion and a cutter shaft sleeve in the present invention, fig. 7 is a schematic view of a mating structure of a transmission shaft and a side ditching unit in the present invention, fig. 8 is a schematic view of a single double-sided bevel gear on the transmission shaft and a side ditching unit in the present invention, fig. 9 is a view of a single blade in the direction A-A in fig. 3, fig. 10 is a schematic view of a rotation angle of a blade in the present invention, as shown in the following: the ditching cutter driving structure assembly comprises a first cutter shaft 2, a second cutter shaft 3 and a transmission mechanism, wherein ditching cutters (ditching cutters 1 and ditching cutters 1a in the figure) are respectively arranged at the outer side ends of the first cutter shaft 2 and the second cutter shaft 3 in a transmission fit manner, the inner side ends of the first cutter shaft 2 and the second cutter shaft 3 are oppositely arranged, and the outer side ends respectively extend outwards at a certain downward inclination angle, so that a V-shaped structure is formed between the ditching cutters 1 and 1a of the first cutter shaft 2 and the second cutter shaft 3; the transmission mechanism at least comprises a transmission shaft for transmitting driving power, transmission fit is formed between the inner side ends of the first cutter shaft and the second cutter shaft, and the transmission shaft is arranged in a mode of inputting the driving power by one of the inner side ends of the first cutter shaft and the second cutter shaft;
the cutter set is used for being installed on a furrow opener for ditching, the inner end parts and the outer end parts of the first cutter shaft and the second cutter shaft are relative to the whole furrow opener, the end close to the inside of the furrow opener is an inner end part, the end extending to the outside of the furrow opener is an outer end part, in the embodiment, the inner end parts of the first cutter shaft and the second cutter shaft are oppositely arranged, the outer end parts of the first cutter shaft and the second cutter shaft are respectively arranged at left and right sides (namely the left and right sides of the furrow opener) in a mode of extending at a certain downward inclination angle so that two ditches form a V-shaped structure, the downward inclination of the first cutter shaft and the second cutter shaft is arranged at a mode of not having a front and rear inclination angle, and simultaneously can be accompanied with a forward inclination, and certainly can be accompanied with a backward inclination, and the front and rear sides of the furrow opener are consistent, and the aim of the invention can be achieved;
the inner side ends of the first cutter shaft 2 and the second cutter shaft 3 form transmission fit, and driving power input by the transmission shaft is input by one of the inner side ends of the first cutter shaft and the second cutter shaft; the transmission shaft is matched with the first cutter shaft 2 and the second cutter shaft 3 by adopting the structure, so that the ditching cutters (the ditching cutters 1 and 1a in the figure) can be arranged in a V-shaped structure through the simplest structure, the structure can be compact, and the power loss can not be caused; the power drives the first cutter shaft 2 and the second cutter shaft 3 to rotate, so that the ditching cutters 1a arranged on the first cutter shaft 2 and the ditching cutters 1a arranged on the second cutter shaft 3 are driven to carry out rotary cutting, and ditching is realized on the land; the two ditching knives (ditching knives 1 and 1a in the drawing) are of V-shaped structures relatively, so that the soil below the cutter shaft mounting shell of the ditching device can be rotationally cut, a boss formed by ditching modes of the ditching knives (ditching knives 1 and 1a in the drawing) of the traditional miniature ditching machine in the prior art can be smoothly cut, and the ditching knives (ditching knives 1 and 1a in the drawing) are of V-shaped structures, so that the ditching device has better soil entering and stress directions, is easier to enter soil when ditching operation is carried out on hard soil, and has good ditch forming effect; and because the inner side end parts of the first cutter shaft and the second cutter shaft are oppositely arranged, and the outer side end parts respectively extend outwards at a certain downward inclination angle, namely, the axes of the first cutter shaft 2 and the second cutter shaft 3 are intersected to form a V-shaped structure, the power of the first cutter shaft 2 and the second cutter shaft 3 is directly transmitted to the ditching cutters (the ditching cutters 1 and 1a in the figure), the ditching effect of the ditching cutters (the ditching cutters 1 and 1a in the figure) is ensured, meanwhile, the power loss is low, the operation is convenient and easy, and the ditching requirements under various geological conditions can be met.
In the embodiment, each ditching cutter (ditching cutter 1 and ditching cutter 1a in the figure) is composed of blades 1-1 arranged along the circumferential direction, and the blades 1-1 of the two ditching cutters form a cross at the bottom of the V-shaped structure; the two ditching knives can form a V-shaped structure in various modes, and can be an approximate V-shaped structure with disjoint bottoms, or a structure with a crossed overlapping area, in this embodiment, the two ditching knives are crossed at the ditching position and form an overlapping working area 4, namely, the ditching work of the two ditching knives has an area with mutual repeated operation; centralized repeated operation can be formed in the area below the cutter shaft, so that bosses formed in the operation process of the traditional ditcher are effectively removed. As shown in the figure, each ditching cutter (ditching cutter 1 and ditching cutter 1a in the figure) comprises at least one cutter blade 1-1 which is arranged along the circumferential direction relative to the corresponding cutter shaft, and the two ditching cutters realize overlapping working areas 4 in a mode of forming cross coincidence when the oppositely arranged cutter blades 1-1 rotate to a ditching position and separating when the oppositely arranged cutter blades rotate out of the ditching position; that is, at least one blade 1-1 of the ditching blades can be one, two, three or an integer number greater than three, the blades 1-1 of the two ditching blades are arranged identically and are arranged in a one-to-one correspondence, in this embodiment, the blades 1-1 of the two ditching blades at the opposite positions have a certain offset distance in the ditching direction and overlap each other when rotated to the ditching position (wherein, when the offset distance is smaller, the corresponding blades 1-1 of the two ditching blades can be approximately in contact and overlap each other, when the offset distance is larger, the two ditching blades still have an overlapping region but do not contact each other), when rotated out from the ditching position, the corresponding blades 1-1 of the two ditching blades are separated, and the blades 1-1 positioned in the next sequence enter the overlapping state or are already in the overlapping state; that is, during the ditching operation, at a specific ditching operation position, at least one pair of blades 1-1 which are oppositely arranged are in a crossed and overlapped state, wherein the position of an overlapped operation area is constant for ditching, but the blades 1-1 which are crossed to form the overlapped operation area are not specific along with the rotation of the ditching blades (the ditching blade 1 and the ditching blade 1a in the figure), and the blades 1-1 of different ditching blades (the ditching blade 1 and the ditching blade 1a in the figure) rotate along respective tracks along with a cutter head along with the rotation of the ditching blades (the ditching blade 1 and the ditching blade 1a in the figure) so as not to cause tooth beating; during rotation, the lower parts of the two ditching knives (ditching knife 1 and ditching knife 1a in the drawing) form an overlapped operation area, and the overlapped operation area is always in the advancing direction of the ditching machine, so that a boss formed in a ditching mode of the ditching knives (ditching knife 1 and ditching knife 1a in the drawing) of the traditional miniature ditching machine can be eliminated at an optimal direction position.
In the embodiment, the blade 1-1 is positioned at the working end to form a rotation angle beta for outwards turning soil during ditching; in this embodiment, the degree of rotation is in the range of 100 DEG to 130 DEG; wherein the rotation angle can be any integer degree between 100 DEG and 130 DEG, including 100 DEG and 130 DEG, and optimally 105 deg. In addition, each blade 1-1 comprises a cutter handle 1-1-1 and a cutter body 1-1-2 connected with the cutter handle 1-1, wherein the cutter body is provided with a cutter back 1-1-4 and a cutter edge 1-1-3, the working end of the cutter body forms a rotation angle, specifically, the rotation angle beta is formed by bending 1-1-5 formed by the working end of the cutter body relative to the cutter body, and the rotation angle beta is an included angle between a tangent line C of the bottom surface of the bending 1-1-5 and an extension line C of the bottom surface of the cutter body; in addition, the blade body 1-1-2 is twisted by a certain angle relative to the blade handle 1-1 at the root part (the joint with the blade handle), the twisting angle delta is 5-35 degrees, preferably 5-10-20-30-35 degrees, and the twisting angle is the included angle between the bottom surface of the blade body and the horizontal line of the blade handle; the cutter body 1-1-2 forms a cutter body with a certain inclination angle and the function of turning soil outwards after ditching; and after the rotation angle is set, the fluctuation and amplitude of the load are effectively reduced, the vibration of the tool operation is small, and the stability is good.
In the embodiment, the angle alpha formed by intersecting the axes of the first cutter shaft 2 and the second cutter shaft 3 ranges from 90 degrees to 160 degrees; as shown in the figure, the included angle alpha between the axis L and the axial direction L is in a reasonable structural arrangement, and the included angle alpha can be set to be any degree between 90 degrees and 160 degrees according to actual needs, including 90 degrees and 160 degrees; preferably, in the present embodiment, the angle α formed by the intersecting axes of the first cutter shaft 2 and the second cutter shaft 3 is 150 °; under the angle, when the ditching cutters (ditching cutter 1 and ditching cutter 1a in the figure) are installed, the two ditching cutters (ditching cutter 1 and ditching cutter 1a in the figure) can have the best working state, and the ditching cutter is beneficial to forming a cross overlapping area 4, so that the ditching effect is ensured.
In the embodiment, the blade adopts a rotary tillage blade, and the rotation angle of the working end part of the rotary tillage blade is used for turning soil outwards when ditching; that is, the blade of the present embodiment may employ existing rotary tillage blades.
In the embodiment, the ditching cutter further comprises a cutter head, the cutter head is arranged on the corresponding first cutter shaft and second cutter shaft in a transmission fit manner, and the blades are at least three blades detachably arranged on the cutter head along the circumferential direction; the cutter shafts 1-2 are used for forming connection with the corresponding cutter shafts, the cutter heads 1-3 are fixed on the outer sides of the cutter shafts 1-2, and the cutter handles 1-1-1 of the blades 1-1 are connected in pairs and are fixedly connected with the cutter heads 1-3 at the connecting points; in this embodiment, the power output ends of the first cutter shaft 2 and the second cutter shaft 3 respectively form square shaft structures, the cutter shaft sleeve 1-2 is of a square sleeve structure, the cutter shaft sleeve 1-2 is directly coaxially matched with the corresponding cutter shaft to form circumference fixation, and of course, the cutter shaft sleeve 1-2 and the corresponding cutter shaft can also be of cylindrical structures, but are provided with spline structures to form a key connection structure with the circumference fixation.
In the embodiment, the ditching cutter driving structure assembly further comprises a cutter shaft mounting shell 5, wherein the cutter shaft mounting shell 5 is provided with a first supporting part and a second supporting part which are in one-to-one correspondence with the first cutter shaft 2 and the second cutter shaft; a certain angle folding structure is formed between the first supporting part and the second supporting part and is adapted to the arrangement structure of the first cutter shaft and the second cutter shaft; the cutter shaft mounting shell is provided with a mounting opening for the transmission shaft to pass through; wherein the first supporting part, the second supporting part and the mounting port form a three-way structure; as shown in the figure, the first supporting part 5-1 and the second supporting part 5-2 are shaft sleeves with flange structures, the first interface 5-3-1 and the second interface 5-3-2 are respectively arranged on the shell part 5-3 corresponding to the first supporting part 5-1 and the second supporting part 5-2, namely the shell part 5-3 is a three-way structure, and the flange structures connected with the first supporting part 5-1 and the second supporting part 5-2 are also arranged at the interfaces; in this embodiment, the first interface and the second interface are cylinders, a limiting boss is formed in the first interface, the end portion of the first supporting portion 5-1 is correspondingly inserted into the first interface and limited by the limiting boss, similarly, the end portion of the second supporting portion 5-2 is correspondingly inserted into the second interface and limited by the limiting boss, the flange structures are externally connected through bolts, and the first cutter shaft 2 and the second cutter shaft 3 are respectively installed in corresponding shaft sleeve portions through bearings 6 and are externally provided with dustproof sealing oil seals 7.
In addition, the ditching cutter driving assembly of the ditching machine further comprises a transmission shaft sleeve 13 coaxially sleeved on the transmission shaft and used for supporting the transmission shaft in a rotating and matching manner, and a flange structure used for being matched with the transmission shaft sleeve in an end face is formed at the mounting opening; i.e. the outdrive 13 forms a flanged connection with the mounting opening 5-3-3 of the housing part 5-3.
In the embodiment, a first transmission bevel gear 8 is coaxially arranged at the transmission end of the first cutter shaft 2, and a second transmission bevel gear 9 in transmission engagement with the first transmission bevel gear 8 is coaxially arranged at the transmission end of the second cutter shaft 3; namely, the external power drives the first cutter shaft 2 or the second cutter shaft 3 to actively move, and the first transmission bevel gear 8 and the second transmission bevel gear 9 form transmission driving between the first cutter shaft 2 and the second cutter shaft 3; in this embodiment, the first transmission bevel gear 8 is integrally formed on the transmission end of the first arbor 2, and the second transmission bevel gear 9 is integrally formed on the transmission shaft of the second arbor 3, that is, the first arbor 2 and the second arbor 3 are bevel gear shafts, and of course, the first transmission bevel gear 8 and the second transmission bevel gear 9 may also have separate gear structures, and may be circumferentially fixed on the corresponding arbor by means of key connection; the circumference of the first cutter shaft or the second cutter shaft is fixedly provided with a driving gear 10 for receiving external driving power, a transmission shaft 11 is used for inputting power to the cutter shaft, one end of the transmission shaft 11 is in transmission fit with a power part, the other end of the transmission shaft 11 is provided with a driving bevel gear 12, and the purpose of driving the cutter shaft to rotate is achieved through the fit of the driving gear 10 (namely a driven bevel gear meshed with the driving bevel gear) and the driving bevel gear 12.
On the basis of any structure, the invention also discloses a multi-channel ditching embodiment, in the embodiment, at least one double-sided bevel gear 14 is further arranged on the transmission shaft 11 along the axial direction, side ditching units for realizing ditching are arranged in transmission engagement with at least one surface of the double-sided bevel gear 14, the side ditching units positioned on two sides of the same double-sided bevel gear 14 are arranged on two radial sides of the transmission shaft 11 in a separated manner, and each side ditching unit comprises a side ditching cutter shaft 15 and a side ditching driving bevel gear 16 which is circumferentially fixed on the side ditching cutter shaft 15 and is in engagement transmission with the double-sided bevel gear 14 in a mode of vertically intersecting the axial line; on the basis that a power output end of a transmission shaft 11 is provided with a first cutter shaft 2 and a second cutter shaft 3 in a transmission fit manner, at least one double-sided bevel gear 14 is further arranged on the transmission shaft 11 along the axial direction, one, two, three or an integer number greater than three can be arranged on the double-sided bevel gear 14, in the embodiment, three double-sided bevel gears 14 are arranged, one side ditching unit is respectively arranged on two gear surfaces of each double-sided bevel gear 14, and the side ditching units arranged on the two gear surfaces of the same double-sided bevel gear 14 are positioned on two sides of the transmission shaft 7 to form a dislocation structure so as to prevent interference of the operation of ditching knives (ditching knives 1 and ditching knives 1a in the figure); the multiple side ditching units work together with the first cutter shaft 2 and the second cutter shaft 3 arranged at the tail end of the transmission shaft 7 to form a multi-path ditching mode, the axis of each side ditching cutter shaft 15 is intersected with the axis of the transmission shaft 7, an included angle gamma is formed between the axis D of the side ditching cutter shaft 15 and a vertical radial center line D of the transmission shaft 7 passing through the intersection point, and the included angle gamma ranges from 45 degrees to 80 degrees.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a ditching sword drive structure assembly which characterized in that: comprises a first cutter shaft, a second cutter shaft and a transmission mechanism;
the outer side ends of the first cutter shaft and the second cutter shaft are respectively in transmission fit with each other, the inner side ends of the first cutter shaft and the second cutter shaft are oppositely arranged, and the outer side ends of the first cutter shaft and the second cutter shaft respectively extend outwards at a certain downward inclination angle, so that a V-shaped structure is formed between the ditching cutters of the first cutter shaft and the ditching cutters of the second cutter shaft;
the transmission mechanism at least comprises a transmission shaft for transmitting driving power, transmission fit is formed between the inner side ends of the first cutter shaft and the second cutter shaft, and the transmission shaft is arranged in a mode that the driving power is input by one of the inner side ends of the first cutter shaft and the second cutter shaft;
each ditching knife consists of blades arranged along the circumferential direction, and the blades of the two ditching knives are crossed at the bottom of the V-shaped structure;
the blade is positioned at the working end to form a rotation angle for turning soil outwards during ditching;
the degree range of the rotation angle is 100-130 degrees;
the blade comprises a cutter handle and a cutter body, wherein the torsion angle of the joint of the cutter body and the cutter handle relative to the cutter handle is 5-35 degrees;
the inner side end part of the first cutter shaft is coaxially provided with a first transmission bevel gear, and the inner side end part of the second cutter shaft is coaxially provided with a second transmission bevel gear which is in transmission engagement with the first transmission bevel gear;
a drive bevel gear is arranged on the transmission shaft, and a driven bevel gear meshed with the drive bevel gear in a mode of intersecting an axis is circumferentially fixed on the first cutter shaft or the second cutter shaft;
the transmission shaft is also provided with at least one double-sided bevel gear along the axial direction, a lateral ditching unit for realizing ditching is arranged in transmission engagement with at least one surface of the double-sided bevel gear, the lateral ditching units positioned on two surfaces of the same double-sided bevel gear are arranged on two radial sides of the transmission shaft in a separated mode, and each lateral ditching unit comprises a lateral ditching cutter shaft and a lateral ditching driving bevel gear, wherein the circumference of the lateral ditching driving bevel gear is fixed on the lateral ditching cutter shaft and is engaged with the double-sided bevel gear in transmission in a mode of intersecting the axis.
2. The ditching blade drive structure assembly of claim 1, wherein: the angle formed by the intersecting axes of the first cutter shaft and the second cutter shaft is 90-160 degrees.
3. The ditching blade drive structure assembly of claim 1, wherein: the blade adopts rotary tillage blade, the rotation angle of rotary tillage blade work tip is used for the soil that turns up when ditching.
4. The ditching blade drive structure assembly of claim 1, wherein: the ditching cutter further comprises a cutter head, the cutter head is arranged on the corresponding first cutter shaft and second cutter shaft in a transmission fit mode, and the blades are detachably arranged on the cutter head along the circumferential direction.
5. The furrowing blade drive structure assembly according to any one of claims 1-4: the ditching cutter driving structure assembly further comprises a cutter shaft mounting shell, wherein the cutter shaft mounting shell is provided with a first supporting part and a second supporting part which are in one-to-one correspondence with the first cutter shaft and the second cutter shaft, and a certain folding angle structure is formed between the first supporting part and the second supporting part and is adaptive to the arrangement structure of the first cutter shaft and the second cutter shaft; and a mounting opening for allowing the transmission shaft to pass through is formed in the cutter shaft mounting shell.
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| CN201710608484.1A CN107278433B (en) | 2017-07-24 | 2017-07-24 | Ditching knife driving structure assembly |
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| CN201710608484.1A CN107278433B (en) | 2017-07-24 | 2017-07-24 | Ditching knife driving structure assembly |
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| CN107278433A CN107278433A (en) | 2017-10-24 |
| CN107278433B true CN107278433B (en) | 2023-05-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110529564A (en) * | 2019-08-30 | 2019-12-03 | 重庆隆旺机电有限责任公司 | Override type gear interlock power-driven system |
| CN111295985B (en) * | 2020-02-24 | 2022-05-13 | 山东省农业机械科学研究院 | Ditching cutter and ditching device |
| CN114793553B (en) * | 2022-05-25 | 2023-06-06 | 静宁县华美农机制造有限公司 | Ditching and fertilizing machine cutter head structure capable of preventing firewood and soil from blocking |
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| US5782307A (en) * | 1996-11-18 | 1998-07-21 | Forsyth; Daniel L. | Furrow closing apparatus |
| JP2007143510A (en) * | 2005-11-29 | 2007-06-14 | Iseki & Co Ltd | Interridge weeder |
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| CA1120334A (en) * | 1979-02-12 | 1982-03-23 | Ronald M. Steilen | Double disk opener assembly and disk blade therefor |
| CN2090145U (en) * | 1991-01-15 | 1991-12-11 | 镇江市农业机械化研究所 | Machine for making furrow |
| CN104798468A (en) * | 2015-04-29 | 2015-07-29 | 农业部南京农业机械化研究所 | Rotary tillage furrow opener |
| DE102015114152A1 (en) * | 2015-08-26 | 2017-03-02 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Device for depositing granular material on an agricultural surface |
| CN205124302U (en) * | 2015-12-02 | 2016-04-06 | 张学涛 | Ditching machine cutter head assemblies |
| CN207305343U (en) * | 2017-07-24 | 2018-05-04 | 重庆美澳机械制造有限公司 | Ditching knife power-driven system |
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| US5782307A (en) * | 1996-11-18 | 1998-07-21 | Forsyth; Daniel L. | Furrow closing apparatus |
| JP2007143510A (en) * | 2005-11-29 | 2007-06-14 | Iseki & Co Ltd | Interridge weeder |
| CN101292578A (en) * | 2008-06-20 | 2008-10-29 | 天津毕晟智能科技开发有限公司 | Multifunctional ditching machine |
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| CN107278433A (en) | 2017-10-24 |
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