阅读说明：本技术 一种新型微耕机 (Novel mini-tiller ) 是由 朱杰 于 2021-08-28 设计创作，主要内容包括：一种新型微耕机,包括微耕机本体,微耕机本体包括支架、电机、减速箱机构、刀轴和若干耕刀,减速箱机构包括壳体和蜗轮蜗杆减速机构,蜗轮蜗杆减速机构包括转盘、第一蜗杆、第一蜗轮、第二蜗杆和第二蜗轮,电机带动转盘,转盘带动第一蜗杆,第一蜗杆带动第一蜗轮,第一蜗轮带动第二蜗杆,第二蜗杆带动第二蜗轮,第二蜗轮带动转轴和第一锥齿轮,第一锥齿轮带动第二锥齿轮和刀轴,刀轴带动耕刀。本发明对减速箱机构进行改进,设计简单,结构可靠,便于生产,易维修,成本低,重量轻、运输及装配方便,节省企业生产成本。(The utility model provides a novel plough machine a little, including ploughing the machine body a little, plough the machine body a little and include the support, including a motor, an end cap, a controller, and a cover plate, reduction box mechanism, arbor and a plurality of sword of ploughing, reduction box mechanism includes casing and worm gear reduction mechanism, worm gear reduction mechanism includes the carousel, first worm wheel, second worm and second worm wheel, the motor drives the carousel, the carousel drives first worm, first worm drives first worm wheel, first worm wheel drives the second worm, the second worm drives the second worm wheel, second worm wheel drives pivot and first bevel gear, first bevel gear drives second bevel gear and arbor, the arbor drives the sword of ploughing. The invention improves the reduction box mechanism, has simple design, reliable structure, convenient production, easy maintenance, low cost, light weight, convenient transportation and assembly and enterprise production cost saving.)

1. The utility model provides a novel plough machine a little, includes the body of ploughing a little, the body of ploughing a little includes support (1), handrail frame (2), bracing piece (3), motor (4), reducing gear box mechanism (5), arbor (6) and a plurality of sword (7) of ploughing, handrail frame (2) are fixed in top one side of support (1), bracing piece (3) are fixed in bottom one side of handrail frame (2), its characterized in that: the reduction gearbox mechanism (5) comprises a shell (8) and a worm and gear speed reducing mechanism positioned in the shell (8), the shell (8) is fixed at the top end of the support (1), a first cavity (9), a second cavity (10) and a third cavity (11) are sequentially formed in the shell (8) from top to bottom, a first through hole (12) communicated with the first cavity (9) is formed in the top end of the shell (8), a second through hole (13) communicated with the third cavity (11) is formed in the bottom end of the shell (8), a third through hole (14) corresponding to the second through hole (13) is formed in the support (1), the worm and gear speed reducing mechanism comprises a rotary disc (15), a first worm (16), a first worm gear (17), a second worm (18) and a second worm gear (19), the rotary disc (15) is rotatably connected in the first cavity (9) through a bearing, the top end of the first worm (16) is fixed at the bottom end center position of the rotary table (15), the top bottom end of the first worm (16) penetrates into the second cavity (10), the first worm wheel (17) is rotatably connected into the second cavity (10) through a bearing and meshed with the first worm (16), the top end of the second worm (18) is fixedly connected with the bottom end center position of the first worm wheel (17), the bottom end of the second worm (18) penetrates into the third cavity (11), the second worm wheel (19) is rotatably connected into the third cavity (11) through a bearing and meshed with the second worm (18), the bottom end center position of the second worm wheel (19) is fixedly connected with a rotary shaft (20), the bottom end of the rotary shaft (20) penetrates through the second through hole (13) and the third through hole (14) and is provided with a first bevel gear (21), the bottom end of the bracket (1) is fixedly provided with a shaft sleeve (22) sleeved outside the rotary shaft (20), the utility model discloses a plough cutter, including axle sleeve (22), arbor (6), cover body (23), first bevel gear (21), second bevel gear (24) that the cover body (23) outside is established to the bottom mounting of axle sleeve (22) has the cover to establish, arbor (6) transversely runs through the cover body (23) and is connected through bearing rotation with the cover body (23), the cover is established and is fixed with and is located the cover body (23) and with first bevel gear (21) meshing on arbor (6), and is a plurality of plough sword (7) and all fix the cover and locate on arbor (6) and all be located outside the cover body (23), the top in casing (8) is installed in motor (4), the output shaft of motor (4) penetrates in first cavity (9) through first through-hole (12), and with the top central point fixed connection of carousel (15).

2. The novel micro-cultivator of claim 1, wherein: and an anti-collision fence (25) is fixed on one side of the top end of the support (1) departing from the handrail.

3. The novel micro-cultivator of claim 2, wherein: and a protection plate (26) is fixed on one side of the bottom end of the support (1) close to the support rod (3).

4. The novel micro-cultivator of claim 3, wherein: an inclined strut (27) is fixedly connected between the bottom end of the bracket (1) and the top end of the cover body (23).

5. The novel micro-cultivator of claim 4, wherein: an inner protection sleeve (28) is fixed inside the shaft sleeve (22), the outer side wall of the inner protection sleeve (28) is fixedly connected with the inner side wall of the shaft sleeve (22), and the inner side wall of the inner protection sleeve (28) is rotatably connected with the rotating shaft (20) through a bearing.

6. The novel micro-cultivator of claim 5, wherein: the cover body (23) is detachably connected with the shaft sleeve (22) through a bolt, the rotating shaft (20) comprises a main shaft (29) and a connecting shaft (30), a slot (31) is formed in the bottom end of the main shaft (29), first threaded holes leading to the outside of the main shaft (29) are symmetrically formed in the slot walls of the two sides of the slot (31), an inserting block (32) used for inserting the slot (31) is fixed to the top end of the connecting shaft (30), a second threaded hole corresponding to the first threaded hole is formed in the inserting block (32) in a penetrating mode, fastening bolts (33) penetrate through the first threaded hole and the second threaded hole, and the first bevel gear (21) is fixed to the bottom end of the connecting shaft (30).

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a novel mini-tiller.

Background

The mini-tiller is light, flexible, multifunctional and low in price and becomes a good helper for farmer garden management, and the mini-tiller has high requirements on volume and weight because the operating environment of the mini-tiller is a land block where large machinery is difficult to enter. Although the existing mini-tiller is small in size, the whole reduction gearbox is complex in design mechanism, so that the whole mini-tiller is heavy in weight, high in cost and difficult to maintain, and due to the fact that the whole mini-tiller is heavy in weight, poor in trafficability in mountainous and hilly lands, difficult to transport, high in transportation labor intensity, time-consuming and labor-consuming.

Therefore, the invention provides a technical scheme for solving the problem that the whole micro-cultivator is too heavy due to the complex design mechanism of the reduction gearbox.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a novel mini-tiller, and aims to achieve the technical effect of effectively reducing the size and the weight of the mini-tiller by improving the structure of a reduction gearbox.

A novel mini-tiller comprises a mini-tiller body, wherein the mini-tiller body comprises a support, a handrail frame, a supporting rod, a motor, a reduction gearbox mechanism, a cutter shaft and a plurality of tilling knives, the handrail frame is fixed on one side of the top end of the support, the supporting rod is fixed on one side of the bottom end of the handrail frame, the reduction gearbox mechanism comprises a shell and a worm and gear speed reducing mechanism positioned in the shell, the shell is fixed on the top end of the support, a first cavity, a second cavity and a third cavity are sequentially formed in the shell from top to bottom, a first through hole communicated with the first cavity is formed in the top end of the shell, a second through hole communicated with the third cavity is formed in the bottom end of the shell, a third through hole corresponding to the second through hole is formed in the support, and the worm and gear speed reducing mechanism comprises a rotary disc, a first worm gear, a second worm and a second worm gear, the rotary table is rotatably connected in the first cavity through a bearing, the top end of the first worm is fixed at the bottom center position of the rotary table, the top bottom end of the first worm penetrates into the second cavity, the first worm wheel is rotatably connected in the second cavity through a bearing and is meshed with the first worm, the top end of the second worm is fixedly connected with the bottom center position of the first worm wheel, the bottom end of the second worm penetrates into the third cavity, the second worm wheel is rotatably connected in the third cavity through a bearing and is meshed with the second worm, the bottom center position of the second worm wheel is fixedly connected with a rotating shaft, the bottom end of the rotating shaft penetrates through the second through hole and the third through hole and is provided with a first bevel gear, the bottom end of the bracket is fixedly provided with a shaft sleeve sleeved outside the rotating shaft, the bottom end of the shaft sleeve is fixedly provided with a cover body sleeved outside the first bevel gear, and the cutter shaft transversely penetrates through the cover body and is rotatably connected with the cover body through a bearing, the utility model discloses a rotary table, including the arbor, the arbor is gone up the cover and is established and be fixed with the second bevel gear that is located the cover internally and meshes with first bevel gear, and is a plurality of plough the sword all fixed cover is located the arbor and all is located the cover externally, the motor is installed on the top of casing, the output shaft of motor penetrates in the first cavity through first through-hole, and with the top central point of carousel put fixed connection.

By adopting the technical scheme, the handrail frame is used for pushing the mini-tiller body, and the supporting rod is used for playing a role in assisting in supporting the mini-tiller body. Starting a motor, wherein an output shaft of the motor rotates to drive a rotary disc fixedly connected with the motor to rotate in a first cavity, the rotary disc rotates to drive a first worm fixedly connected with the rotary disc to rotate, the first worm rotates to drive a first worm wheel meshed with the first worm wheel to rotate in a second cavity, the first worm wheel rotates to drive a second worm fixedly connected with the first worm wheel to rotate, the second worm rotates to drive a second worm wheel meshed with the second worm wheel to rotate, the second worm wheel rotates to drive a rotating shaft fixedly connected with the second worm wheel to rotate, the rotating shaft rotates to drive a first bevel gear to rotate in a cover body, the first bevel gear rotates to drive a second bevel gear meshed with the first bevel gear to rotate, the worm and worm reduction mechanism achieves the effect of speed reduction by setting parameters such as the number of heads, the number of teeth and the like, finally, the second bevel gear rotates to drive a cutter shaft fixedly connected with the second bevel gear to rotate on the cover body, and the cutter shaft rotates to drive a tilling cutter fixedly connected with the cutter shaft to rotate, the mini-tiller body starts to operate. The invention improves the reduction box mechanism, has simple design, reliable structure, convenient production, easy maintenance, low cost, light weight, convenient transportation and assembly and enterprise production cost saving.

The invention further comprises the following steps: and an anti-collision fence is fixed on one side of the top end of the support, which deviates from the handrail.

Through adopting above-mentioned technical scheme, the setting of anticollision fence can avoid ploughing the machine body a little and hit the barrier and impaired when using.

The invention further comprises the following steps: and a protection plate is fixed on one side of the bottom end of the support, which is close to the support rod.

Through adopting above-mentioned technical scheme, the setting up of guard plate can be used for blockking earth on the one hand, prevents that earth from splashing to the user of service, and on the other hand promotes the security of ploughing the machine body a little, prevents that user of service's foot from touching the sword of ploughing carelessly, the wounded accident appears.

The invention further comprises the following steps: an inclined stay bar is fixedly connected between the bottom end of the support and the top end of the cover body.

By adopting the technical scheme, a triangle is formed among the inclined supporting rod, the shaft sleeve and the bracket, and the stability of the mini-tiller body is improved by utilizing the characteristic of high stability of the triangle.

The invention further comprises the following steps: the inner protection sleeve is fixed inside the shaft sleeve, the outer side wall of the inner protection sleeve is fixedly connected with the inner side wall of the shaft sleeve, and the inner side wall of the inner protection sleeve is rotatably connected with the rotating shaft through a bearing.

Through adopting above-mentioned technical scheme, the stability of pivot has been promoted in setting up of interior lag.

The invention further comprises the following steps: the cover body is detachably connected with the shaft sleeve through a bolt, the rotating shaft comprises a main shaft and a connecting shaft, a slot is formed in the bottom end of the main shaft, first threaded holes leading to the outside of the main shaft are symmetrically formed in the two side slot walls of the slot, an inserting block used for inserting the slot is fixed to the top end of the connecting shaft, a second threaded hole corresponding to the first threaded hole is formed in the inserting block in a penetrating mode, a fastening bolt penetrates through the first threaded hole and the second threaded hole, and the first bevel gear is fixed to the bottom end of the connecting shaft.

Through adopting above-mentioned technical scheme, can reach different speed reduction effects to the cutter arbor through changing first bevel gear. And the cover body is detached from the shaft sleeve, the fastening bolt is screwed out of the first threaded hole and the second threaded hole, and the insert block is pulled out of the slot, so that the first bevel gear can be detached. In a similar way, the insert block is inserted into the slot, the second threaded hole corresponds to the first threaded hole in position, and the fastening bolt penetrates into the first threaded hole and the second threaded hole, so that the first bevel gear can be installed.

Compared with the prior art, the invention has the beneficial effects that:

a novel mini-tiller is characterized in that a handrail frame is used for pushing a mini-tiller body, and a supporting rod is used for playing a role in assisting in supporting the mini-tiller body. Starting a motor, wherein an output shaft of the motor rotates to drive a rotary disc fixedly connected with the motor to rotate in a first cavity, the rotary disc rotates to drive a first worm fixedly connected with the rotary disc to rotate, the first worm rotates to drive a first worm wheel meshed with the first worm wheel to rotate in a second cavity, the first worm wheel rotates to drive a second worm fixedly connected with the first worm wheel to rotate, the second worm rotates to drive a second worm wheel meshed with the second worm wheel to rotate, the second worm wheel rotates to drive a rotating shaft fixedly connected with the second worm wheel to rotate, the rotating shaft rotates to drive a first bevel gear to rotate in a cover body, the first bevel gear rotates to drive a second bevel gear meshed with the first bevel gear to rotate, the worm and worm reduction mechanism achieves the effect of speed reduction by setting parameters such as the number of heads, the number of teeth and the like, finally, the second bevel gear rotates to drive a cutter shaft fixedly connected with the second bevel gear to rotate on the cover body, and the cutter shaft rotates to drive a tilling cutter fixedly connected with the cutter shaft to rotate, the mini-tiller body starts to operate. The invention improves the reduction box mechanism, has simple design, reliable structure, convenient production, easy maintenance, low cost, light weight, convenient transportation and assembly and enterprise production cost saving.

Drawings

FIG. 1 is a schematic structural view of a novel mini-tiller of the present invention;

FIG. 2 is a sectional view of a reduction box mechanism of the novel mini-tiller;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a sectional view of the cover body of the novel mini-tiller.

Reference numerals: 1. a support; 2. a handrail frame; 3. a support bar; 4. a motor; 5. a reduction gearbox mechanism; 6. a cutter shaft; 7. ploughing; 8. a housing; 9. a first cavity; 10. a second cavity; 11. a third cavity; 12. a first through hole; 13. a second through hole; 14. a third through hole; 15. a turntable; 16. a first worm; 17. a first worm gear; 18. a second worm; 19. a second worm gear; 20. a rotating shaft; 21. a first bevel gear; 22. a shaft sleeve; 23. a cover body; 24. a second bevel gear; 25. an anti-collision fence; 26. a protection plate; 27. a diagonal brace; 28. an inner protective sleeve; 29. a main shaft; 30. a connecting shaft; 31. a slot; 32. inserting a block; 33. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A novel mini-tiller is shown in figures 1-5 and comprises a mini-tiller body, wherein the mini-tiller body comprises a support 1, an armrest frame 2, a supporting rod 3, a motor 4, a reduction gearbox mechanism 5, a cutter shaft 6 and a plurality of tilling cutters 7.

The handrail frame 2 is fixed on one side of the top end of the bracket 1 and used for pushing the mini-tiller body. One side of the top end of the support 1, which deviates from the handrail, is fixed with an anti-collision fence 25, so that the damage caused by collision of the mini-tiller body against a barrier when the mini-tiller is used can be avoided. The supporting rod 3 is fixed on one side of the bottom end of the handrail frame 2 and is used for playing a role in assisting in supporting the mini-tiller body. One side that the bottom of support 1 is close to bracing piece 3 is fixed with guard plate 26, can be used for blockking earth on the one hand, prevents that earth from splashing to the user of service, and on the other hand promotes the security of ploughing the machine body a little, prevents that user of service's foot from touch ploughing sword 7 carelessly, appears hindering the people accident.

The reduction gearbox mechanism 5 comprises a shell 8 and a worm and gear speed reducing mechanism positioned in the shell 8.

Casing 8 is fixed in the top of support 1, and first cavity 9, second cavity 10 and third cavity 11 have been seted up from top to bottom in proper order to the inside of casing 8. The top end of the shell 8 is provided with a first through hole 12 communicated with the first cavity 9. The bottom end of the shell 8 is provided with a second through hole 13 communicated with the third cavity 11. The bracket 1 is provided with a third through hole 14 corresponding to the second through hole 13.

The worm gear reduction mechanism includes a turntable 15, a first worm 16, a first worm wheel 17, a second worm 18, and a second worm wheel 19. The rotary table 15 is rotatably connected into the first cavity 9 through a bearing, the top end of the first worm 16 is fixed at the center position of the bottom end of the rotary table 15, the top end of the first worm 16 penetrates into the second cavity 10, the first worm wheel 17 is rotatably connected into the second cavity 10 through a bearing and is meshed with the first worm 16, the top end of the second worm 18 is fixedly connected with the center position of the bottom end of the first worm wheel 17, the bottom end of the second worm 18 penetrates into the third cavity 11, the second worm wheel 19 is rotatably connected into the third cavity 11 through a bearing and is meshed with the second worm 18, the center position of the bottom end of the second worm wheel 19 is fixedly connected with a rotating shaft 20, and the bottom end of the rotating shaft 20 sequentially penetrates through the second through hole 13 and the third through hole 14.

The rotating shaft 20 comprises a main shaft 29 and a connecting shaft 30, a slot 31 is formed in the bottom end of the main shaft 29, first threaded holes leading to the outside of the main shaft 29 are symmetrically formed in the two side slot walls of the slot 31, an inserting block 32 used for inserting the slot 31 is fixed to the top end of the connecting shaft 30, a second threaded hole corresponding to the first threaded hole is formed in the inserting block 32 in a penetrating mode, a fastening bolt 33 penetrates through the first threaded hole and the second threaded hole, and the bottom end of the connecting shaft 30 is fixedly connected with a first bevel gear 21.

The bottom end of the support 1 is fixed with a shaft sleeve 22 sleeved outside the rotating shaft 20, an inner protecting sleeve 28 is fixed inside the shaft sleeve 22, the outer side wall of the inner protecting sleeve 28 is fixedly connected with the inner side wall of the shaft sleeve 22, and the inner side wall of the inner protecting sleeve 28 is rotatably connected with the rotating shaft 20 through a bearing. The provision of the inner protective sheath 28 improves the stability of the shaft 20.

The bottom end of the shaft sleeve 22 is detachably connected with a cover body 23 sleeved outside the first bevel gear 21. An inclined strut 27 is fixedly connected between the bottom end of the support 1 and the top end of the cover body 23, a triangle is formed among the inclined strut 27, the shaft sleeve 22 and the support 1, and the stability of the mini-tiller body is improved by utilizing the characteristic of high stability of the triangle. The cutter shaft 6 transversely penetrates through the cover body 23 and is rotatably connected with the cover body 23 through a bearing, a second bevel gear 24 which is positioned in the cover body 23 and is meshed with the first bevel gear 21 is fixedly sleeved on the cutter shaft 6, and a plurality of ploughing cutters 7 are fixedly sleeved on the cutter shaft 6 and are positioned outside the cover body 23.

Motor 4 installs in the top of casing 8, and in motor 4's the output shaft penetrated first cavity 9 through first through-hole 12, and put fixed connection with the top central point of carousel 15.

The working principle is as follows: the motor 4 is started, an output shaft of the motor 4 rotates to drive the rotary disc 15 fixedly connected with the motor to rotate in the first cavity 9, the rotary disc 15 rotates to drive the first worm 16 fixedly connected with the rotary disc to rotate, the first worm 16 rotates to drive the first worm wheel 17 meshed with the first worm to rotate in the second cavity 10, the first worm wheel 17 rotates to drive the second worm 18 fixedly connected with the first worm to rotate, the second worm 18 rotates to drive the second worm wheel 19 meshed with the second worm to rotate, the second worm wheel 19 rotates to drive the rotating shaft 20 fixedly connected with the second worm wheel 19 to rotate, the rotating shaft 20 rotates to drive the first bevel gear 21 to rotate in the cover body 23, and the first bevel gear 21 rotates to drive the second bevel gear 24 meshed with the first bevel gear to rotate. By setting parameters such as the number of heads and the number of teeth (which is a mature prior art and is not described in detail herein), a first-stage speed reduction is formed between the first worm 16 and the first worm wheel 17, a second-stage speed reduction is formed between the second worm 18 and the second worm wheel 19, and a third-stage speed reduction is formed between the first bevel gear 21 and the second bevel gear 24, so that the worm and gear speed reduction mechanism achieves the speed reduction effect. Finally, the rotation of the second bevel gear 24 drives the cutter shaft 6 fixedly connected with the cutter shaft to rotate on the cover body 23, the rotation of the cutter shaft 6 drives the tilling cutter 7 fixedly connected with the cutter shaft to rotate, and the mini-tiller body starts to operate.

Moreover, different deceleration effects can be achieved for the arbor 6 by replacing the first bevel gear 21. The cover body 23 is detached from the shaft sleeve 22, the fastening bolt 33 is screwed out of the first threaded hole and the second threaded hole, and the insert block 32 is pulled out of the slot 31, so that the detachment of the first bevel gear 21 is completed. Similarly, the insert block 32 is inserted into the insert slot 31, the second threaded hole corresponds to the first threaded hole, and the fastening bolt 33 penetrates into the first threaded hole and the second threaded hole, so that the first bevel gear 21 can be mounted.

The invention improves the reduction box mechanism 5, has simple design, reliable structure, convenient production, easy maintenance, low cost, light weight, convenient transportation and assembly and saves the production cost of enterprises.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "" second "are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.