CN217037983U

CN217037983U - Still field machine stem processing mechanism and still field machine

Info

Publication number: CN217037983U
Application number: CN202221612424.XU
Authority: CN
Inventors: 吴宗江; 王瑞浩; 王小平; 张小静
Original assignee: Weichai Lovol Heavy Industry Co Ltd
Current assignee: Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-07-26
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a stalk processing mechanism for a field returning machine and the field returning machine, which relate to the relevant technical field of agricultural harvesters; the stalk processing mechanism for the returning machine comprises a shell welding part, a power mechanism and a chopping cutter shaft, wherein the chopping cutter shaft is assembled in the shell welding part, and the power mechanism is in transmission connection with the chopping cutter shaft; a plurality of groups of chopping movable cutters are arranged on the chopping cutter shaft and are sequentially arranged along the axial direction of the chopping cutter shaft; each group of chopping movable cutters comprises a plurality of chopping blades which are arranged along the peripheral direction of the chopping cutter shaft at intervals, and the chopping blades extend along the direction parallel to the axial direction of the chopping cutter shaft; the chopping blades of two adjacent groups of chopping movable blades are arranged in a staggered manner. The utility model discloses a set up the multiunit on the cutter axle and cut up and move the sword to adjacent two sets of the crisscross arrangement of the shredding blade that cuts up and move the sword reduces still field machine stubble-cleaning height, reduces still field length of stem stalk, realizes the radial dissection of stem stalk, reduces still field machine consumed power, and the complete machine operation is more economical.

Description

Still field machine stem processing mechanism and still field machine

Technical Field

The utility model relates to an agricultural harvester correlation technique field, concretely relates to still field machine stem stalk processing mechanism and still field machine.

Background

In recent years, with the development of the breeding industry, the operation function of the corn harvester is developed and improved to a certain extent, and the ear-stalk corn harvester can be transported as soon as possible. The corn machine is smashed still field machine to the straw that the stalk was smashed the processing part and is all followed ordinary corn machine in the ear of grain stalk on the existing market, and this structure has the stalk at present to smash back length long, the power consumption is big, the high scheduling problem of stubble-cleaning.

The straw crushing and returning machine adopted by the existing ear-stalk harvesting corn harvester in the aspect of stalk treatment mainly comprises: pulverizer housing, arbor, crushing blade/juncture, stationary knife, straining device, belt pulley and corresponding auxiliary component. When the ear-stalk corn harvester is used for field operation, the upper ends of the stalks are subjected to a series of treatments through a cutting and feeding mechanism and the like and enter a grass box, and the tail ends of the stalks left in the field are smashed through a stalk smashing and returning machine and are flatly paved in the field.

The corn machine is received concurrently to ear stem in the existing market because of mechanism limitations such as stalk feeding, stalk shredding in the aspect of the stalk is handled, mainly is equipped with and puts straw crushing still field machine in the outfit. Because the ear-stalk corn harvester only uses the crushing returning machine to treat the stalks, the problems existing when the stalks are returned to the field mainly appear as follows:

(1) the whole cutter shaft of the crushing and returning machine is high in mass, residual stalks are beaten and crushed by a flail cutter (a straight cutter and a bent cutter or only the bent cutter) (blades of the returning machine in the market are basically formed by steel plates, then are subjected to heat treatment and are provided with wear-resistant coatings and the like, and have no cutting edges), and the returning machine is extremely high in power consumption;

(2) the crushing returning machine has the advantages that the rotating direction of the movable blade is along the axial direction of the stems, so that the crushing length is longer after the stems are returned to the field, the number of long strips/fibrous objects is large, the cutting is extremely unclean, and a thick layer of carpet is covered on the ground surface in the field; meanwhile, after the residual long stalks are treated by a crushing and returning machine, the stalks can not be radially cut off, so that the stalks are in a flower umbrella shape;

(3) the chopper returning machine has the advantages that the service life of the blades is shortened and the power consumption is greatly increased for preventing the blades of the chopper returning machine from being grounded and digging soil, so that the blades of the chopper returning machine need to keep a certain height with the ground, the stubble cleaning height of the chopper returning machine is high, the tail ends of stems, gas roots and the like cannot be returned to the field, and the stems still leak outside the ground.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one kind or several kinds that prior art has technical problem, provide a still field machine stem stalk processing mechanism and still field machine, replace the straw to smash still field machine, reduce the stem stalk and handle the consumption, reduce the stubble-cleaning height and the length is smashed to the straw.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a stalk processing mechanism for a field returning machine comprises a shell welding part, a power mechanism and a chopping cutter shaft, wherein the chopping cutter shaft is assembled in the shell welding part, and the power mechanism is in transmission connection with the chopping cutter shaft; a plurality of groups of chopping movable cutters are arranged on the chopping cutter shaft and are sequentially arranged along the axial direction of the chopping cutter shaft; each group of chopping movable cutters comprises a plurality of chopping blades which are arranged along the periphery of the chopping cutter shaft at intervals, and the chopping blades extend in a direction parallel to the axial direction of the chopping cutter shaft; the chopping blades of the adjacent two groups of chopping moving blades are arranged in a staggered manner.

The utility model has the advantages that: the utility model discloses a still field machine stem stalk processing mechanism cuts up the sword through setting up the multiunit at the cutter arbor of cutting up to cut up, and will be adjacent two sets of the cutting up blade that cuts up the sword is crisscross arranges, reduces still field machine stubble-cleaning height, reduces still field length of stem stalk, realizes the radial dissection of stem stalk, reduces still field machine consumed power, and the complete machine operation is more economical.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the chopping blades on each group of the chopping moving blades are arranged at intervals along the anticlockwise rotation direction.

The beneficial effect of adopting the further scheme is that: the stalk can be cut into segments along the radial direction, and the stalk can be prevented from presenting a flower umbrella shape.

Furthermore, a plurality of triangular supporting convex strips are arranged on the chopping knife shaft, and the supporting convex strips extend along the direction parallel to the axial direction of the chopping knife shaft; the chopping blade is fixed on one surface of the triangular supporting convex strip.

The beneficial effect of adopting the above further scheme is: the accessible bolt is direct to be fixed the shredding blade on supporting a face of sand grip, makes things convenient for the installation of shredding blade fixed.

Furthermore, the lower extreme that the casing seam closed is open structure, the both ends of shredding the arbor rotate to be connected in the casing seam closes, be equipped with the fixed sword of cutting up on the inside wall of casing seam upper end, the fixed sword of cutting up moves the sword interval arrangement with each group's cutting up.

The beneficial effect of adopting the further scheme is that: through the arrangement of the chopping fixed knife, weeds or straws are prevented from being wound on the chopping movable knife to influence the straw returning effect.

Furthermore, the power mechanism is in transmission connection with the chopping knife shaft through a belt transmission mechanism, a chain transmission mechanism or a coupling transmission mechanism.

The device further comprises a ground roller which is detachably connected to the shell through an adjusting bracket; the adjusting bracket is provided with a first hinge hole and a first positioning hole, the shell is welded with a second hinge hole and a plurality of second positioning holes, and the second positioning holes are circumferentially arranged by taking the second hinge hole as a circle center; the adjusting support passes through a first hinge hole and a second hinge hole through a hinge shaft and is hinged on the casing welding part, and the adjusting support passes through a first positioning hole and any one second positioning hole through a positioning part and is connected on the casing welding part.

The beneficial effect of adopting the further scheme is that: through setting up hinge hole and locating hole, conveniently adjust the interval on ground roller and ground, and then the interval on blade of adjustment shredding blade and ground.

Furthermore, a lifting support used for being connected with a lifting mechanism at the bottom of the frame of the returning machine body is arranged at the rear side of the welded shell.

The beneficial effect of adopting the further scheme is that: through setting up the promotion support, conveniently be connected casing seam and hoist mechanism.

The utility model provides a still field machine, includes foretell still field machine stem stalk processing mechanism, still includes still field machine body, the casing seam articulates through articulating the support arm the frame bottom of field machine body.

The beneficial effects of the utility model are that: the utility model discloses a still field machine, during the results operation, can realize reducing still field stubble-cleaning height, the stem stalk cuts off totally, reduces still field length of stem stalk, reduces still field power consumption, promotes the operation economic type.

Further, still, the frame bottom of still field machine body articulates there are lift cylinder and lifting arm, the lifting arm is the gamma type and is located the lift cylinder with between the still field machine stem processing mechanism, the turning position of lifting arm articulates the frame bottom of still field machine body, the drive end of lift cylinder with the lower extreme of lifting arm is articulated, the lifting arm deviates from the one end of lift cylinder through promote the hoist cable with still field machine stem processing mechanism is connected.

The beneficial effect of adopting the further scheme is that: through setting up the lift cylinder, the cooperation of accessible lift arm and lifting sling realizes still machine stem stalk processing mechanism's promotion and descending action, utilizes the flexible volume of lift cylinder to control the clearance of shredding blade and ground.

Further, the returning machine body is used for the corn harvester capable of harvesting ears and stalks.

Drawings

FIG. 1 is a schematic view of the internal structure of the stalk treatment mechanism with a ground roller for the field returning machine of the present invention;

FIG. 2 is a schematic sectional view of the straw treatment mechanism with a ground roller for the straw returning machine of the present invention;

FIG. 3 is a side view schematic structural view of the field returning machine with the ground roller of the present invention;

FIG. 4 is a schematic view of the bottom view of the field returning machine with the ground roller of the present invention;

FIG. 5 is a schematic view of the internal structure of the stalk treatment mechanism without a ground roller for the returning machine of the present invention;

FIG. 6 is a schematic cross-sectional view of the stalk treatment mechanism without a ground roller for the straw chopper of the present invention;

FIG. 7 is a side view of the returning machine without ground roller according to the present invention;

FIG. 8 is a schematic view of the bottom view of the field returning machine without the ground roller of the present invention;

fig. 9 is a schematic side view of the stalk treatment mechanism for the returning machine of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. welding the shell; 11. a chopping fixed knife; 12. a second positioning hole; 13. lifting the support; 14. hanging a support arm;

2. a power mechanism; 21. an input belt wheel of the returning machine; 22. a main clutch output pulley; 23. a drive pulley guard;

3. a chopping cutter shaft; 31. cutting up the movable cutter; 32. a chopping blade; 33. supporting convex strips;

4. a ground roller; 41. adjusting the bracket; 42. a first hinge hole; 43. a first positioning hole;

5. a returning machine body; 51. a frame; 52. lifting the oil cylinder; 53. a lift arm; 54. the sling is lifted.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 9, the stalk treatment mechanism for the returning machine of the present embodiment includes a housing welding part 1, a power mechanism 2 and a chopping knife shaft 3, wherein the chopping knife shaft 3 is assembled in the housing welding part 1, and the power mechanism 2 is in transmission connection with the chopping knife shaft 3; a plurality of groups of chopping movable blades 31 are arranged on the chopping knife shaft 3, and the plurality of groups of chopping movable blades 31 are sequentially arranged along the axial direction of the chopping knife shaft 3; each group of the movable chopping blades 31 comprises a plurality of chopping blades 32 arranged at intervals along the circumferential direction of the chopping knife shaft 3, and the chopping blades 32 are arranged in an extending way along the direction parallel to the axial direction of the chopping knife shaft 3; the chopping blades 32 of two adjacent sets of the chopping movable blades 31 are arranged in a staggered manner, see fig. 9 in particular.

As shown in fig. 1 and 5, three sets of movable chopping blades 31 may be disposed on the chopping knife shaft 3 of the present embodiment, and each set of movable chopping blades 31 includes three chopping blades 32.

As shown in fig. 1, 2 and 9, the chopping blades 32 on each set of the chopping movable blades 31 are arranged at intervals along the counterclockwise rotation direction. The stalk can be cut into segments along the radial direction, and the stalk can be prevented from presenting a flower umbrella shape.

As shown in fig. 1, 2 and 9, the chopping knife shaft 3 of the present embodiment is provided with a plurality of triangular support ribs 33, and the support ribs 33 are arranged to extend in a direction parallel to the axial direction of the chopping knife shaft 3; the chopping blade 32 is fixed to one face of the triangular support rib 33. The accessible bolt is direct to be fixed the shredding blade on supporting a face of sand grip, makes things convenient for the installation of shredding blade fixed.

As shown in fig. 2 and 9, the lower end of the housing seam 1 of the present embodiment is an open structure, two ends of the chopping knife shaft 3 are rotatably connected in the housing seam 1, the inner side wall of the upper end of the housing seam 1 is provided with chopping fixed knives 11, and the chopping fixed knives 11 and the chopping movable knives 31 of each group are arranged at intervals. Through the arrangement of the chopping fixed knife, weeds or straws are prevented from being wound on the chopping movable knife to influence the straw returning effect.

As shown in fig. 1, 2 and 9, the power mechanism 2 is in transmission connection with the chopping knife shaft 3 through a belt transmission mechanism, a chain transmission mechanism or a coupling transmission mechanism. As shown in fig. 1 and 5, a belt transmission mechanism is used to transmit power, and a main clutch output belt wheel 22 can be used to drive the returning machine input belt wheel 21 to rotate through a belt, so as to drive the shredding cutter shaft 3 to rotate. A transmission belt wheel shield 23 can cover and protect the main clutch output belt wheel 22, the returning machine input belt wheel 21 and the belt. In addition, the power mechanism 2 of the present embodiment may adopt a single-side transmission or a double-side transmission.

As shown in fig. 1 to 4 and fig. 9, an alternative of this embodiment is that, in order to adjust the distance between the cutting edge of the shredding blade 32 and the ground, a ground roller 4 may be further provided, and the ground roller 4 is detachably connected to the housing seam 1 through an adjusting bracket 41; a first hinge hole 42 and a first positioning hole 43 are formed in the adjusting bracket 41, a second hinge hole and a plurality of second positioning holes 12 are formed in the shell welding part 1, and the plurality of second positioning holes 12 are circumferentially arranged by taking the second hinge hole as a circle center; the adjusting bracket 41 passes through a first hinge hole 42 and a second hinge hole through a hinge shaft and is hinged on the shell welding part 1, and the adjusting bracket 41 passes through a first positioning hole 43 and any one second positioning hole 12 through a positioning piece and is connected on the shell welding part 1. Through setting up hinge hole and locating hole, conveniently adjust the interval on ground roller and ground, and then the interval on blade of adjustment shredding blade and ground.

As shown in fig. 5-8, another alternative of this embodiment is to use a ground-free roller, and in order to adjust the distance between the cutting edge of the shredding blade 32 and the ground, the rear side of the casing seam 1 is provided with a lifting support 13 for connecting with a lifting mechanism at the bottom of the frame 51 of the returning machine body 5. Through setting up the promotion support, conveniently be connected casing seam and hoist mechanism, utilize hoist mechanism to drive the casing seam and rise or descend.

As shown in fig. 3 and 4, a preferred embodiment of the present invention is that in order to adjust the distance between the cutting edge of the shredding blade 32 and the ground, the ground roller 4 and the lifting support 13 connected to the lifting mechanism can be arranged at the same time, as described above.

The stalk processing mechanism for the returning machine is characterized in that a plurality of groups of chopping blades are arranged on the chopping cutter shaft, and the chopping blades of the chopping blades are arranged in a staggered mode, so that the stubble cleaning height of the returning machine is reduced, the returning length of stalks is reduced, the radial cutting of the stalks is realized, the consumed power of the returning machine is reduced, and the whole machine operation is more economical.

This embodiment still provides a still field machine, including foretell still field machine stem stalk processing mechanism, still include still field machine body 5, casing seam 1 articulates through articulating support arm 14 still the frame 51 bottom of field machine body 5.

As shown in fig. 3, 4, 7 and 8, the bottom of the frame 51 of the returning machine body 5 of this embodiment is hinged with a lifting cylinder 52 and a lifting arm 53, the lifting arm 53 is of a type and is located between the lifting cylinder 52 and the stalk treatment mechanism for the returning machine, the corner position of the lifting arm 53 is hinged with the bottom of the frame 51 of the returning machine body 5, the driving end of the lifting cylinder 52 is hinged with the lower end of the lifting arm 53, and one end of the lifting arm 53, which is far away from the lifting cylinder 52, is connected with the stalk treatment mechanism for the returning machine through a lifting sling 54. Through setting up the lift cylinder, the cooperation of accessible lift arm and lifting sling realizes still field machine stem stalk processing mechanism's promotion and descending action, utilizes the flexible volume of lift cylinder to control the clearance of shredding blade and ground.

In a preferred embodiment of the present invention, the returning-to-field machine body 5 is used for a corn harvester for both ear and stalk harvesting. The stalk processing mechanism for the returning machine is assembled in the middle of a chassis of a frame of the ear-stalk harvesting corn harvester.

The non-ground-roller type field returning machine can realize the lifting and descending actions of the field returning machine through a lifting oil cylinder and a lifting arm of the field returning machine, the clearance between the crushing blade on the crushing blade shaft and the ground is controlled by utilizing the expansion and contraction amount of the lifting oil cylinder, and the field returning principle and the connection mode are consistent with those of the field returning machine with the ground roller.

The field returning machine of this embodiment can realize reducing still field stubble-cleaning height when the harvesting operation, and the stem stalk cuts off totally, reduces the still field length of stem stalk, reduces still field power consumption, promotes the operation economy type. The still field machine stem stalk processing mechanism of this embodiment compares with current crushing still field machine, the processing form of stem stalk has been changed, utilize the high-speed rotatory shredding blade edge of drive of shredding cutter axle to realize the horizontal processing of cutting off of stem stalk, cut off totally, can realize cutting stem stalk root from pressing close to earth's surface department simultaneously, eliminate the air root, thoroughly eliminate "flower umbrella" form straw, it is littleer to cut off back stem stalk length, the stem stalk is handled more laborsavingly, the consumption reduces, be equipped with simultaneously and cut up the stationary knife and prevent that weeds or straw from twining and influencing the still field effect of stem stalk on the stationary knife.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", "counterclockwise", "axial", "radial", "circumferential", and the like are used in the positional or orientational relationships indicated in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A stalk processing mechanism for a field returning machine is characterized by comprising a shell welding part, a power mechanism and a chopping cutter shaft, wherein the chopping cutter shaft is assembled in the shell welding part, and the power mechanism is in transmission connection with the chopping cutter shaft; a plurality of groups of chopping movable cutters are arranged on the chopping cutter shaft and are sequentially arranged along the axial direction of the chopping cutter shaft; each group of chopping movable cutters comprises a plurality of chopping blades which are arranged along the periphery of the chopping cutter shaft at intervals, and the chopping blades extend in a direction parallel to the axial direction of the chopping cutter shaft; the chopping blades of the adjacent two groups of chopping moving blades are arranged in a staggered manner.

2. The stalk processing mechanism as claimed in claim 1, wherein the shredding blades of each shredding knife are spaced in a counterclockwise direction.

3. The stalk processing mechanism as claimed in claim 1, wherein the shredding cutter shaft is provided with a plurality of triangular support ribs extending in a direction parallel to an axial direction of the shredding cutter shaft; the shredding blade is fixed on one surface of the triangular support convex strip.

4. The stalk processing mechanism as claimed in claim 1, wherein the lower end of the casing seam is open, the two ends of the cutter shaft are rotatably connected to the inside of the casing seam, the inner side wall of the upper end of the casing seam is provided with a cutter stationary knife, and the cutter stationary knife and each set of cutter stationary knives are arranged at intervals.

5. The stalk processing mechanism as claimed in any one of claims 1 to 4, wherein the power mechanism is in transmission connection with the chopping cutter shaft via a belt transmission mechanism, a chain transmission mechanism or a coupling transmission mechanism.

6. The stalk processing mechanism as claimed in any one of claims 1 to 4, further comprising a ground roller detachably connected to the housing by an adjusting bracket; the adjusting bracket is provided with a first hinge hole and a first positioning hole, the shell is welded with a second hinge hole and a plurality of second positioning holes, and the second positioning holes are circumferentially arranged by taking the second hinge hole as a circle center; the adjusting support passes through a first hinge hole and a second hinge hole through a hinge shaft and is hinged on the casing welding part, and the adjusting support passes through a first positioning hole and any one second positioning hole through a positioning part and is connected on the casing welding part.

7. The stalk processing mechanism as claimed in any one of claims 1 to 4, wherein the rear side of the welded housing is provided with a lifting support for connecting with a lifting mechanism at the bottom of the frame of the main body of the machine.

8. A returning machine, characterized by comprising the stalk processing mechanism for the returning machine as claimed in any one of claims 1 to 7, and further comprising a returning machine body, wherein the casing is welded and hinged at the bottom of the frame of the returning machine body through hanging arms.

9. The machine of claim 8, wherein a lifting cylinder and a lifting arm are hinged to the bottom of the frame of the main body of the machine, the lifting arm is of a type that is gamma and is located between the lifting cylinder and the stalk treatment mechanism for the machine, the corner position of the lifting arm is hinged to the bottom of the frame of the main body of the machine, the driving end of the lifting cylinder is hinged to the lower end of the lifting arm, and the end of the lifting arm away from the lifting cylinder is connected with the stalk treatment mechanism for the machine through a lifting sling.

10. The returning machine as claimed in claim 8, wherein the returning machine body is used for a corn harvester for both ear and stalk harvesting.