CN214961139U - Mower with multi-shaft flail knife structure - Google Patents

Abstract

The utility model discloses a mower with a multi-shaft flail knife structure.A motor vehicle frame is rotatably provided with the multi-shaft flail knife structure and a material stirring protection structure which are connected with the output end of the motor vehicle frame, and the material stirring protection structure is positioned at the feed end of the multi-shaft flail knife structure; the multi-shaft flail knife structure comprises a main rotating shaft, an auxiliary shaft, a side plate and a flail knife; the material stirring protection structure comprises a material stirring shaft, a material stirring fin, a material removing fin, a rotating ring and a gathering groove. The flail knives on each auxiliary shaft on the multi-shaft flail knife structure are reduced in number and rearranged, so that the mechanical weight, the cost and the installation workload are reduced, the knife consumption and the resistance are reduced, the mechanical deformation and the energy consumption caused by excessive force are prevented, meanwhile, the broken objects are convenient to throw out, the blockage of the broken objects caused by excessive density of the flail knives on a single shaft is prevented, and the working efficiency, the maintenance efficiency and the dismounting efficiency are improved; the material stirring protection structure is added in front of the multi-axis flail knife structure, so that weeds can be gathered and combed, hard impurities mixed in the weeds can be stirred out or collected and taken out, and the weeding effect and the equipment protection structure are improved.

Description

Mower with multi-shaft flail knife structure

Technical Field

The utility model relates to a weeding equipment technical field, concretely relates to lawn mower with multiaxis flail knife structure.

Background

At present, for domestic weeding machines, key weeding parts of the domestic weeding machines mostly adopt a knife roller rotor mode to realize actions such as cutting, striking, crushing, throwing and the like, and key cutters mostly adopt a hammer grab type, a straight cutter type, a horizontal rotary cutter type, an L-shaped flail cutter type and the like in the traditional technical scheme, wherein the phenomena of grass winding and blockage of the hammer grab type and the L-shaped flail cutter type in the operation process are serious, the cutting and rotating efficiencies of the straight cutter type and the horizontal rotary cutter type are low, and the adaptability to variable and complex terrain operation is poor. In addition, some weeding parts adopt flail knife structures, the problems can be effectively avoided, and the weeding machine is suitable for complex and variable operation environments, such as weeding operation with more weeds and shrubs, in the operation processes of weeding, smashing, cutting, impacting and the like, not only needs to cut and smash weeds and shrubs in an orchard, but also needs to realize passing chopping and striking of sudden small obstacle sundries, and has strong balance in irregular terrain operation.

However, the general flail knife structure is only to set up the flail knife at unipolar or multiaxis to and the power that the sharp and rotation of simple utilization flail knife self produced is cut crushing to weeds, in the operation, finds to have the problem: the flail knife is in large quantity, the knife eating amount of the flail knife is too much, the stress is increased, mechanical deformation is easily caused, broken objects are not easily thrown out between the flail knives, the working efficiency is influenced, and the flail knife is frequently touched by personnel to step on green or have a dinner and leave hard sundry iron wires, metal packaging boxes and the like on grass in the weeding process), so that the flail knife is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lawn mower with multiaxis flail knife structure to solve flail knife in large quantity, lead to the knife of eating of flail knife too many, the atress increases, causes mechanical deformation easily, is difficult for throwing out broken thing between the flail knife, influences work efficiency, and often touch stereoplasm debris, damages the problem of flail knife.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a mower with a multi-shaft flail knife structure comprises a motor vehicle frame, wherein the motor vehicle frame is rotatably provided with the multi-shaft flail knife structure and a material stirring protection structure which are connected with the output end of the motor vehicle frame, and the material stirring protection structure is positioned at the feed end of the multi-shaft flail knife structure; wherein the content of the first and second substances,

the multi-shaft flail knife structure comprises a main rotating shaft, auxiliary shafts, side plates and flail knives, wherein the side plates are distributed along a straight line and are uniformly installed on the main rotating shaft, the auxiliary shafts are distributed in an annular shape and are uniformly installed on the side plates, the auxiliary shafts are all arranged in parallel with the main rotating shaft, the flail knives are symmetrically arranged and are rotatably installed on each auxiliary shaft, the distances between the flail knives on the adjacent auxiliary shafts are different, all the flail knives are uniformly distributed in a linear shape on the axial projection of the main rotating shaft, and all the flail knives are uniformly distributed in a spiral annular shape on the circumferential projection of the main rotating shaft;

dial material protective structure includes dials the material axle, dials the material wing, removes material wing, swivel becket and draw in groove, draw in groove installs on the motor vehicle frame, dial the material axle and rotate and install in draw in groove, just dial the one end of material axle with drive arrangement's in the motor vehicle frame output is connected, and is a plurality of dial the material wing and evenly install dial on the material axle, it is a plurality of the swivel becket evenly sets up and rotates and installs dial on the material axle, the one end that removes the material wing with the swivel becket is connected, the other end that removes the material wing is connected with the side top of aggregate bin, just the aggregate bin is located the top of getting rid of the multiaxis sword knot.

The further technical scheme is as follows: the material stirring shaft is higher than the top of the side of the aggregate bin.

The further technical scheme is as follows: the lowest end of the material poking fin is not higher than the lowest point of the flail knife.

The further technical scheme is as follows: the flail knife is provided with Y-shaped knife heads, and the outer side faces of the Y-shaped knife heads are provided with cutting sawteeth.

The further technical scheme is as follows: the flail knife and the auxiliary shaft are provided with a rotation limiting mechanism, the rotation limiting mechanism comprises a rotation sleeve, a limiting groove and a limiting bulge, the rotation sleeve is rotatably installed on the auxiliary shaft, the limiting groove and the limiting bulge are arranged between the rotation sleeve and the auxiliary shaft, and the limiting bulge is located in the limiting groove.

The further technical scheme is as follows: the edge arrange in proper order and be in the main pivot axial direction a plurality of with the circular circulation of direction spiral that constitute on the projection of main pivot circumference the flail sword is defined as a cutting ring, and the multiunit the cutting ring evenly sets up on the axial projection of main pivot, it is adjacent the cutting ring is in the spiral opposite direction on the projection of main pivot circumference.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a lawn mower with multi-shaft flail knife structure, which can reduce and rearrange the flail knives on each auxiliary shaft on the multi-shaft flail knife structure under the condition of adapting to complex and changeable operation environment, on one hand, the mechanical weight, the cost and the installation workload are reduced, and on the other hand, a larger gap is left between the flail knives on each auxiliary shaft; 2. the space reserved by the flail knife on any one auxiliary shaft and the space reserved by the flail knife on the adjacent auxiliary shaft are also arranged in a staggered mode in different sizes, so that the cutting amount and the resistance are reduced, the mechanical deformation and the energy consumption caused by excessive force are prevented, meanwhile, the broken objects are convenient to throw out, the broken objects are prevented from being blocked due to too dense flail knives on a single shaft, and the working efficiency, the maintenance efficiency and the dismounting efficiency are improved; 3. the material stirring protection structure is added in front of the multi-axis flail knife structure, so that on one hand, weeds can be gathered and combed, and on the other hand, hard impurities mixed in the weeds can be stirred out or collected and taken out, and the weeding effect and the equipment protection structure are improved.

Drawings

Fig. 1 is a schematic structural view of the mower with the multi-axis flail knife structure of the present invention.

Fig. 2 is a schematic structural view of the multi-axis flail knife structure of the present invention.

Fig. 3 is another schematic structural diagram of fig. 2 in the present invention.

Fig. 4 is a schematic structural view of the middle rotation limiting mechanism of the present invention.

Fig. 5 is a schematic structural view of the cutting ring of the present invention.

Reference numerals: 1. a main rotating shaft; 2. a counter shaft; 3. a side plate; 4. a flail knife; 41. a Y-shaped tool bit; 5. a rotation limiting mechanism; 51. rotating the sleeve; 52. a limiting groove; 53. a limiting bulge; 6. cutting the saw teeth; 7. cutting a ring; 8. a multi-shaft flail knife structure; 9. a material poking protection structure; 10. a motor vehicle frame; 11. a material stirring shaft; 12. stirring material wings; 13. removing material wings; 14. a rotating ring; 15. a gathering groove; 16. a material collecting bin.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows: a lawnmower with a multi-axis flail configuration as shown in figures 1, 2 and 3.

The working principle of the utility model is as follows: this lawn mower includes locomotive frame 10, the multiaxis flail sword structure 8 that rotates on locomotive frame 10 to install and link to each other rather than the output and dial material protective structure 9, this weeder can be under the complicated, changeable operation environment of adaptation for the flail formula, with the structurally every epaxial flail sword quantity reduction of countershaft and arrange again, reduce mechanical weight on the one hand, cost and installation work volume, increase before multiaxis flail sword structure 8 and dial material protective structure 9, can gather together and comb weeds on the one hand, on the other hand can also be with sneak into in the weeds stereoplasm debris group or collect and take out, improve weeding effect and protective apparatus structure. (ii) a

Specifically (refer to fig. 2-3): the multi-shaft flail knife structure comprises a main rotating shaft 1, auxiliary shafts 2, side plates 3 and flail knives 4, wherein a plurality of side plates 3 are distributed along a straight line and are uniformly arranged on the main rotating shaft 1, each side plate 3 is perpendicular to the main rotating shaft 1, a plurality of auxiliary shafts 2 are distributed in an annular shape and are uniformly arranged in mounting holes of the side plates 3, each auxiliary shaft 2 is parallel to the main rotating shaft 1, a plurality of flail knives 4 are symmetrically arranged and are rotatably arranged on each auxiliary shaft 2, the outer edges of the flail knives 4 can form an annular cutting area to cut objects (weeds) by means of the rotation of the main rotating shaft 1 and the restraint of the auxiliary shafts 2, the distances between the flail knives 4 on the adjacent auxiliary shafts 2 are different, namely the distance between the flail knives 4 on a single auxiliary shaft 2 is different from the distance between the flail knives 4 on the adjacent auxiliary shafts 2, and the flail knives 4 are arranged in a staggered mode, and all the flail knives 4 are linearly and uniformly distributed on the axial projection of the main rotating shaft 1, namely, the projections of all the flail knives 4 in the axial direction of the main rotating shaft 1 are uniformly arranged, the cutting tracks of the flail knives 2 after one rotation are uniformly distributed, and all the flail knives 4 are uniformly distributed in a spiral annular shape on the circumferential projection of the main rotating shaft 1, namely all the flail knives 4 are uniformly distributed on the circumferential surface and are spiral. As shown in fig. 2, the four-axis flail knife structure is a standard in one direction of the main rotating shaft 1, a circle of flail knives 2 at the outermost side of four auxiliary shafts 2 form a cutting ring with four flail knives, and the subsequent flail knives 4 also form a cutting ring in the same way, and the cutting ring is spiral; fig. 3 shows a three-axis flail knife structure, and the principle is the same, and the applicant does not need to describe the structure again here.

The material shifting protection structure 9 comprises a material shifting shaft 11, material shifting fins 12, material removing fins 13, rotating rings 14 and a furling groove 15, the furling groove 15 is installed on a feed inlet at the front end of a motor vehicle frame 10, the material shifting shaft 11 is rotatably installed in the furling groove 15, one end of the material shifting shaft 11 is connected with the output end of a driving device in the motor vehicle frame 10 and is in the same power source as the main rotating shaft 1, the equipment cost and the structure weight are reduced, the material shifting fins 12 are uniformly installed on the material shifting shaft 11, the rotating rings 14 are uniformly and rotatably installed on the material shifting shaft 11, one end of each material removing fin 13 is connected with the rotating rings 14, the other end of each material removing fin 13 is connected with the top of the side of a material collecting bin 16, the material collecting bin 16 is located above the flail knife structure 8, the material shifting shaft 11 rotates to drive the material shifting fins 12 to rotate, the material shifting fins 12 can gather and comb weeds on the one hand, and on the other hand, the material removing fins 13 can block hard impurities mixed in the weeds by the material shifting fins 12 and guide the weeds to enter the material collecting bin 16 to improve the weeding effect and protect the equipment structure, and is noteworthy that the poking wings 12 can be made into an arc shape in order to improve the removing and collecting effect of hard sundries, particularly to strip objects such as iron wires and the like.

Further, the height of the material stirring shaft 11 is higher than that of the top of the side of the aggregate bin 16; the lowest end of the material shifting fin 12 is not higher than the lowest point of the flail knife 4, and the hard sundries collected by the material shifting protective structure 9 are removed and collected by means of gravity and height difference, so that the harm of the hard sundries to the environment, weeding and other operations is effectively prevented.

The further technical scheme is as follows: the flail knife 4 is provided with a Y-shaped knife head 41, and the outer side surface of the Y-shaped knife head 41 is provided with cutting saw teeth 6, so that the cutting surface and the cutting capacity are improved.

Example three: as shown in fig. 4, the flail knife 4 and the auxiliary shaft 2 are provided with a rotation limiting mechanism 5, the rotation limiting mechanism 5 includes a rotating sleeve 51, a limiting groove 52 and a limiting protrusion 53, the rotating sleeve 51 is rotatably mounted on the auxiliary shaft 2, the limiting groove 52 and the limiting protrusion 53 are arranged between the rotating sleeve 51 and the auxiliary shaft 2, and the limiting protrusion 53 is located in the limiting groove 52, so that the flail knife 4 is limited on the premise that the flail knife 4 has a certain rotation angle, and the cutting effect is improved.

Example four: as shown in fig. 5, a plurality of flail knives 4, which are sequentially arranged in the axial direction of the main rotating shaft 1 and form a circular circulation with a spiral in the same direction on the circumferential projection of the main rotating shaft 1, are defined as a cutting ring 7, a plurality of groups of cutting rings 7 are uniformly arranged on the axial projection of the main rotating shaft 1, the spiral directions of the adjacent cutting rings 7 on the circumferential projection of the main rotating shaft 1 are opposite, the cutting rings 7 in the positive and negative spiral shape can divide the pressure applied during cutting, and the effect of cutting and throwing out broken objects is improved

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. A lawn mower with multiaxis flail sword structure, includes motor vehicle frame (10), its characterized in that: a multi-shaft flail knife structure (8) and a material stirring protection structure (9) which are connected with the output end of the motor vehicle frame (10) are rotatably arranged on the motor vehicle frame (10), and the material stirring protection structure (9) is positioned at the feed end of the multi-shaft flail knife structure (8); wherein the content of the first and second substances,

the multi-shaft flail knife structure (8) comprises a main rotating shaft (1), auxiliary shafts (2), side plates (3) and flail knives (4), wherein the main rotating shaft (1) is rotatably installed on the motor vehicle frame (10), one end of the main rotating shaft (1) is connected with the output end of a driving device in the motor vehicle frame (10), the plurality of side plates (3) are distributed along a straight line and are uniformly installed on the main rotating shaft (1), the plurality of auxiliary shafts (2) are distributed in an annular shape and are uniformly installed on the side plates (3), the plurality of auxiliary shafts (2) are all arranged in parallel with the main rotating shaft (1), the plurality of flail knives (4) are symmetrically arranged and are rotatably installed on each auxiliary shaft (2), the distances between the adjacent flail knives (4) on the auxiliary shafts (2) are different, and all the flail knives (4) are linearly and uniformly distributed on the axial projection of the main rotating shaft (1), all the flail knives (4) are uniformly distributed in a spiral annular shape on the circumferential projection of the main rotating shaft (1);

the material stirring protection structure (9) comprises a material stirring shaft (11), a material stirring fin (12), a material removing fin (13), a rotating ring (14) and a furling groove (15), the furling groove (15) is arranged on the motor vehicle frame (10), the material stirring shaft (11) is rotatably arranged in the furling groove (15), one end of the material stirring shaft (11) is connected with the output end of a driving device in the motor vehicle frame (10), a plurality of material stirring fins (12) are uniformly arranged on the material stirring shaft (11), a plurality of rotating rings (14) are uniformly arranged and rotatably arranged on the material stirring shaft (11), one end of the material removing fin (13) is connected with the rotating ring (14), the other end of the material removing fin (13) is connected with the top of the side of the material collecting bin (16), and the material collecting bin (16) is positioned above the multi-shaft flail knife structure (8).

2. The mower with multi-axis flail knife structure of claim 1, wherein: the height of the material stirring shaft (11) is higher than that of the top of the side of the aggregate bin (16).

3. The mower with multi-axis flail knife structure of claim 1, wherein: the lowest end of the material poking fin (12) is not higher than the lowest point of the flail knife (4).

4. The mower with multi-axis flail knife structure of claim 1, wherein: the flail knife (4) is provided with a Y-shaped knife head (41), and the outer side surface of the Y-shaped knife head (41) is provided with cutting sawteeth (6).

5. A mower with a multi-axis flail knife structure as claimed in claim 4 wherein: the flail knife (4) and the auxiliary shaft (2) are provided with a rotation limiting mechanism (5), the rotation limiting mechanism (5) comprises a rotation sleeve (51), a limiting groove (52) and a limiting protrusion (53), the rotation sleeve (51) is rotatably installed on the auxiliary shaft (2), the limiting groove (52) and the limiting protrusion (53) are arranged between the rotation sleeve (51) and the auxiliary shaft (2), and the limiting protrusion (53) is located in the limiting groove (52).

6. The mower with multi-axis flail knife structure of claim 1, wherein: follow arrange in proper order and be in on main pivot (1) axial direction a plurality of with the circular circulation of direction spiral that constitute on main pivot (1) circumference projection flail sword (4) are defined as a cutting ring (7), and the multiunit cutting ring (7) evenly set up on the axial projection of main pivot (1), adjacent cutting ring (7) are in the spiral opposite direction on the circumference projection of main pivot (1).

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