CN207639096U - A kind of vertical rotary tiller and its vertical type rotary tillage knife - Google Patents

Abstract

A vertical rotary tiller and its vertical rotary tiller, the vertical rotary tiller includes a gear box and a gearbox installed on the gear box, the vertical rotary tiller is installed on the gear box Above, the bottom of the gearbox is provided with a power access mechanism, the power access mechanism is connected to the gearbox, the vertical rotary tiller is connected to the power access mechanism, and the vertical rotary tiller The knife includes a vertical reverse rotation mechanism and a vertical forward rotation mechanism installed at the bottom of the gear box, the power access mechanism is connected with the vertical reverse rotation mechanism or the vertical forward rotation mechanism, and the vertical The vertical counter-rotating mechanism is connected with the vertical forward-rotating mechanism and rotates in reverse. The utility model reduces the requirements for positioning and processing accuracy of the cover plate of the upper gear box, manufacturing and maintenance costs, and improves the assembly quality and reliability of the whole machine. When the soil is broken and prepared, the interaction between the cultivated soil and the soil layer is weak, and the soil layer is not disturbed. , and has a strong ability to level broken soil, and has the characteristics of conservation tillage.

Description

A kind of vertical rotary cultivator and its vertical rotary tiller

technical field

The utility model relates to a vertical rotary tiller, in particular to a vertical rotary tiller with an independent bearing chamber and a vertical rotary tiller with the vertical rotary tiller.

Background technique

A rotary tiller refers to a driven soil tillage machine with rotating cutter teeth as the working part, also known as a rotary tiller. According to the configuration of the rotary tiller shaft, it is divided into two types: horizontal and vertical, namely horizontal rotary tiller and vertical rotary tiller. The working parts of the horizontal rotary tiller rotate around the horizontal axis perpendicular to the forward direction of the unit to cut the soil, and are divided into forward and reverse horizontal rotary tillers according to the direction of rotation. The working part of the vertical rotary tiller rotates and cuts the soil around the axis vertical or inclined to the ground.

Horizontal rotary tillers are widely used and have strong soil crushing ability. One operation can make the soil finely crushed, the soil and fertilizer mixed evenly, and the ground level, which meets the requirements of dry land sowing or paddy field planting. The working parts include rotary cultivator rollers and several soil cutting blades evenly arranged according to multi-head spirals, which are driven by the power output shaft of the tractor through the transmission device, and the common speed is 190-280 rpm. The rotation direction of the rotary cultivator roller is consistent with the rotation direction of the tractor wheel. The soil cutting blade cuts the soil layer from front to back, and throws the soil block back and up to the casing and the carriage to make it further broken. When the knife roller cuts and throws soil, the reaction force of the soil to the knife roller helps to push the unit forward, so the traction force required for the horizontal rotary tiller operation is very small, and sometimes the knife roller can even push the unit forward. Soil cutting blades can be divided into chisel-shaped knives, curved knives, right-angle knives and curved knives. The front end of the chisel-shaped knife is narrow, it has better ability to penetrate into the soil, and consumes less energy, but it is easy to entangle grass, so it is mostly used in vegetable gardens and courtyards with few weeds. The curved edge of the machete has a sliding cutting effect, which is easy to cut off the grass roots without entanglement, and is suitable for paddy field cultivation. Right-angle knives have vertical and horizontal cutting edges, wide blades, good rigidity, and are easy to manufacture, but have poor penetration into the soil. The curved knife has high strength, good rigidity, and good sliding cutting effect, and is usually used on heavy-duty rotary tillers. When matching with tractors below 15 kW, direct connection is generally adopted without universal joint transmission; when matching with tractors above 15 kW, three-point suspension and universal joint transmission are used; heavy-duty rotary tillers generally adopt traction type. There are two configurations of the last stage transmission device of the knife roller: side transmission and central transmission. The side drive is mostly used for offset rotary tillers with small tillage width. The central transmission is used for the rotary tiller with large tillage. The symmetry of the machine is good, and the force on the whole machine is uniform. However, a zone under the transmission box is not reached by the soil cutting blades, resulting in missing tillage. It is necessary to set up another device to eliminate the missing tillage. installation.

The working parts of the vertical rotary tiller are composed of multiple vertical shaft rotary tillers with 2 spiral cutters on them. The rotation of the vertical rotary tillers is driven by the gears in the gear box, and the rotation direction of the adjacent vertical rotary tillers on the contrary. The vertical shaft rotary cultivator usually adopts the lower bearing of the vertical shaft to be installed in the lower part of the gearbox, and the upper bearing of the vertical shaft is installed on the upper cover of the gearbox. The positioning and processing accuracy of the upper cover of the gearbox is high, and it is often difficult to ensure the bearing assembly of the vertical shaft rotary cultivator when the whole machine is assembled. The quality affects the service life of the bearing and the gear installed on the shaft. During operation, the rotary tiller rotates around the vertical axis, and the soil cutting blade chops the soil and throws it back, which has a strong effect of crushing and pulping the soil. Due to the weak interactive mixing ability of the upper and lower soil layers and poor covering performance, it is suitable for conservation tillage.

Utility model content

The technical problem to be solved by the utility model is to provide a vertical rotary tiller which can ensure the assembly quality of the bearing of the vertical shaft rotary tiller and improve the service life of the whole machine, and a vertical rotary tiller with the vertical rotary tiller.

In order to achieve the above object, the utility model provides a vertical rotary tiller installed on a vertical rotary tiller, the vertical rotary tiller includes a gearbox and a gearbox installed on the gearbox, the The vertical rotary tiller is installed on the gear box, wherein, the bottom of the gear box is provided with a power access mechanism, the power access mechanism is connected to the gearbox, and the vertical rotary tiller is connected to the The power access mechanism is connected, and the vertical rotary cultivator includes a vertical reverse rotation mechanism and a vertical forward rotation mechanism installed at the bottom of the gear box, and the power connection mechanism and the vertical reverse rotation mechanism Or the vertical forward rotation mechanism is connected, and the vertical reverse rotation mechanism is connected with the vertical forward rotation mechanism and reversely rotates.

The above-mentioned vertical rotary tiller, wherein the power access mechanism is a vertical forward rotation structure and is connected to the vertical reverse rotation mechanism, and the power access mechanism includes:

The power access bearing chamber is installed on the middle bottom surface of the gearbox;

The power access tool seat includes a mounting seat and a power access shaft, the power access shaft is arranged on the mounting seat, the power access shaft is installed in the power access bearing chamber and is connected with the gearbox the power take-off shaft connection; and

The power access gear is installed on the shaft end of the power access shaft.

The above-mentioned vertical rotary tiller, wherein the vertical reverse rotation mechanism includes:

a reverse rotation bearing chamber installed on the bottom surface of the gearbox and adjacent to the power access bearing chamber;

The counter-rotating knife seat includes a counter-rotating connection part and a counter-rotating knife shaft, and the counter-rotating knife shaft is arranged on the reverse-rotating connecting part and installed in the reverse-rotating bearing chamber;

a counter-rotating gear mounted on the shaft end of the counter-rotating knife shaft and meshed with the power access gear; and

The reverse rotation knife is installed on the reverse rotation connection part.

The above-mentioned vertical rotary cultivator, wherein, the vertical forward rotation mechanism includes:

a forward-rotation bearing chamber installed on the bottom surface of the gearbox and adjacent to the reverse-rotation bearing chamber;

The forward-rotating knife seat includes a forward-rotating connection part and a forward-rotating knife shaft, and the forward-rotating knife shaft is arranged on the forward-rotating connecting part and installed in the forward-rotating bearing chamber;

a forward-rotating gear, mounted on the shaft end of the forward-rotating cutter shaft, and meshed with the reverse-rotating gear; and

The forward-rotating knife is installed on the forward-rotating connecting part.

The above-mentioned vertical rotary tiller, wherein, the power access bearing chamber, the reverse-rotation bearing chamber and the forward-rotation bearing chamber are all independent bearing chambers, respectively comprising:

a bearing mount coupled to the bottom surface of the gearbox; and

The bearing sleeve is arranged on the bearing mounting seat, and the upper and lower parts of the bearing sleeve are respectively provided with an upper bearing chamber and a lower bearing chamber, and the upper bearing chamber and the lower bearing chamber are respectively equipped with taper bearings.

The above-mentioned vertical rotary tiller, wherein, the bearing mounting seat is connected to the gear box through bolts, the upper surface of the bearing mounting seat is provided with a plurality of internal threaded holes, and the lower surface of the bearing mounting seat is connected to the gear box. A cylindrical boss is arranged opposite to the internal threaded hole.

The above-mentioned vertical rotary tiller, wherein, the lower ends of the power access shaft, the reverse rotary cutter shaft and the forward rotary cutter shaft are respectively provided with annular sealing grooves, and the power access shaft, the reverse rotary cutter shaft and the The forward-rotating cutter shaft is respectively provided with a lower bearing journal, an upper bearing journal, a gear connecting external spline and an external thread shaft section, and the upper end of the power access shaft is also provided with an internal spline section.

The above-mentioned vertical rotary cultivating knife, wherein, the reverse rotary knife is a flat plate after unfolding, and the working edge of the reverse rotary knife has a cutting edge, and the thickness of the cutting edge is 0.8-1.2mm. The bending angle of the knife is 83-87°, the reverse-rotating knife is a spring steel material piece not lower than 60Si ₂ MnA, and the surface heat treatment hardness of the reverse-rotating knife is HRC55-62.

The above-mentioned vertical rotary cultivating knife, wherein, the said forward-rotating knife is unfolded into a flat plate, the working edge of the said forward-rotating knife has a cutting edge, the thickness of said cutting edge is 0.8-1.2mm, and the said forward-rotating knife The bending angle of the knife is 83-87°, the forward-rotating knife is a spring steel material piece not lower than 60Si ₂ MnA, and the surface heat treatment hardness of the forward-rotating knife is HRC55-62.

In order to better achieve the above purpose, the utility model also provides a vertical rotary tiller, wherein the vertical rotary tiller includes the above-mentioned vertical rotary tiller.

The beneficial effects of the utility model are:

The vertical forward rotation power connection mechanism, vertical reverse rotation mechanism and vertical forward rotation mechanism of the utility model vertical rotary cultivator are used as independent mechanisms when assembled with the whole machine, and the upper bearing on it is not connected with the upper cover plate. The positioning accuracy requirements, manufacturing and maintenance costs of the upper gear box cover are reduced, and the assembly quality and reliability of the whole machine are improved. During the soil preparation operation, the interaction between the plow layer and the soil layer is weak, and the soil layer is not disturbed. Moreover, it has strong ability to level broken soil and has the characteristics of conservation tillage.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of a vertical rotary cultivator according to an embodiment of the utility model;

Fig. 2A is a schematic diagram of the three-dimensional structure of a vertical forward-rotating power access mechanism according to an embodiment of the present invention;

Figure 2B is a cross-sectional view of Figure 2A;

Fig. 3A is a schematic diagram of a three-dimensional structure of a vertical reverse rotation mechanism according to an embodiment of the present invention;

Figure 3B is a cross-sectional view of Figure 3A;

Fig. 4A is a schematic diagram of a three-dimensional structure of a vertical forward rotation mechanism according to an embodiment of the present invention;

Figure 4B is a cross-sectional view of Figure 4A;

Fig. 5A is a schematic diagram of a three-dimensional structure of a forward-rotating knife according to an embodiment of the present invention;

Figure 5B is a front view of Figure 5A;

Figure 5C is a plan view of Figure 5A;

Fig. 6A is a schematic diagram of the three-dimensional structure of the reverse rotary knife according to an embodiment of the present invention;

Fig. 6B is the front view of Fig. 6A;

Figure 6C is a plan view of Figure 6A;

Fig. 7A is a schematic diagram of a three-dimensional structure of a power access tool holder according to an embodiment of the present invention;

Fig. 7B is the front view of Fig. 7A;

Fig. 8A is a schematic diagram of a three-dimensional structure of a power access bearing chamber according to an embodiment of the present invention;

Figure 8B is a cross-sectional view of Figure 8A;

Fig. 9 is a schematic structural diagram of a gear box according to an embodiment of the present invention;

Fig. 10 is a schematic structural diagram of a gear case cover according to an embodiment of the present invention;

Fig. 11 is a structural schematic diagram of a gearbox according to an embodiment of the present invention.

Among them, reference signs

1 power access mechanism

11 vertical rotary knife

12 power access tool holder

13 Rotary shaft lip seal

14 taper bearing

15 Power access bearing housing

16 Gasket

17 Power access gear

18 round nut lock washer

19 round nut

2 vertical reverse rotation mechanism

21 reverse rotary knife

22 Counter-rotating knife holder

23 Rotary shaft lip seal

24 taper bearing

25 reverse rotation bearing chamber

26 Gasket

27 reverse spiral gear

28 round nut lock washer

29 round nut

3 vertical spin mechanism

31 clockwise knife

32 clockwise knife seat

33 Rotary shaft lip seal

34 taper bearing

35 Sequential bearing chamber

36 Gasket

37 Sequential gear

38 round nut lock washer

39 round nut

4 gearboxes

41 PTO shaft

42 connection plate

43 PTO shaft

5 upper hanger

6 lower hanger

7 Gearbox

8 Gear case cover

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

Referring to FIG. 1 , FIG. 1 is a schematic diagram of a three-dimensional structure of a vertical rotary tiller according to an embodiment of the present invention. The vertical rotary cultivator of the present utility model is used for the soil preparation operation of soil, and the vertical rotary tiller includes an upper suspension frame 5, a lower suspension frame 6, a gear box (see Fig. 10-11) and a The gearbox 4 (referring to Fig. 11) on the above-mentioned gear box, the described vertical rotary cultivator is installed on the described gear box, the bottom of the described gear box is provided with a power access mechanism 1, and the power access mechanism 1 Connected to the gearbox 4, the vertical rotary tiller is connected to the power access mechanism 1, and the vertical rotary tiller includes a vertical reverse rotation mechanism 2 installed at the bottom of the gear box and a vertical type forward rotation mechanism 3, the power access mechanism 1 is connected with the vertical reverse rotation mechanism 2 or the vertical forward rotation mechanism 3, and the vertical reverse rotation mechanism 2 is connected with the vertical forward rotation mechanism 3 Connect and counter-rotate. The gear box cover 8 is connected to the gear box body 7 by bolts, and the gearbox 4 is connected to the gear box cover 8 by bolts using the connection plate 42 on it, and the power output shaft 43 of the gearbox 4 is inserted into the power connector. Insert the inner spline on the knife seat 12, after the power access mechanism 11, the vertical counter-rotating mechanism 22 and the vertical forward-rotating mechanism 33 are installed in the gear case 7, the gears on it are meshed with each other for transmission.

Referring to Fig. 2A and Fig. 2B, Fig. 2A is a three-dimensional structural diagram of a vertical forward-rotating power access mechanism according to an embodiment of the present invention, and Fig. 2B is a cross-sectional view of Fig. 2A. In this embodiment, the power access mechanism 1 is a vertical forward rotation structure and is connected to the vertical reverse rotation mechanism 2. The power access mechanism 1 includes: a power access bearing chamber 15 (see FIG. 8A- 8B), installed on the bottom surface of the middle part of the gearbox; power access tool holder 12 (see Figures 7A-7B), including a mounting seat and a power access shaft, and the power access shaft is arranged on the mounting seat , the power access shaft is installed in the power access bearing chamber 15 and connected with the power output shaft 43 of the gearbox 4; and the power access gear 17 is installed on the shaft end of the power access shaft . In this embodiment, the power access mechanism 1 also includes two vertical forward-rotating knives 11, which are respectively bolted to the seat plate of the power access tool holder 12, and the shafts of the power access tool holder 12 are sequentially installed Rotary shaft lip seal ring 13, tapered bearing 14, bearing chamber 15, power access gear 17, round nut stop washer 18 and round nut 19, the upper surface of the power access bearing chamber 15 mounting seat is provided with sealing washer 16 and Gear case body 7 lower surfaces are fixed with bolts. During installation, the joint surface of the lower part of the gear box body 7 of the power access bearing chamber 15 mounting seat plus a sealing washer 16 is fixed on the intermediate shaft sleeve platform in the gear box body 7 with bolts, and the two bearing outer rings of the tapered bearing 14 are respectively installed on the The upper and lower bearing chambers of the power access bearing chamber 15 have their big ends facing outward; then the two vertical forward-rotating knives 11 are fastened to the seat plate of the power access knife holder 12 with bolts respectively, and the lip seal ring of the rotating shaft 13 is installed on the journal at the bottom end of the cutter shaft of the power access tool holder 12, and a bearing inner ring of the tapered bearing 14 is installed on the second journal at the lower end of the cutter shaft of the power access tool holder 12, and the cone opening of the bearing inner ring faces Then insert the cutter shaft of the power access tool holder 12 into the bearing chamber installed above, and install a bearing inner ring of the tapered bearing 14 on the bearing journal of the upper end of the cutter shaft of the power access tool holder 12, and the power access The gear 17 is inserted into the outer spline shaft end of the cutter shaft of the power access tool holder 12, and the round nut stop washer 18 and the round nut 19 are installed in sequence; check the installed power access tool holder 12 and the bearing of the cone bearing 14 Gap, if the gap is too large, tighten the round nut 19, if the gap is too small, then loosen the round nut 19, until the bearing gap is suitable, lock the round nut 19 with the round nut stop washer 18.

Referring to FIG. 3A and FIG. 3B , FIG. 3A is a schematic diagram of a three-dimensional structure of a vertical reverse rotation mechanism according to an embodiment of the present invention, and FIG. 3B is a cross-sectional view of FIG. 3A . Wherein, the vertical reverse rotation mechanism 2 includes: a reverse rotation bearing chamber 25, installed on the bottom surface of the gear box and adjacent to the power access bearing chamber 15; a reverse rotation knife seat, including a reverse rotation connection part And the reverse rotation cutter shaft, the reverse rotation cutter shaft is arranged on the reverse rotation connection part and installed in the reverse rotation bearing chamber 25; the reverse rotation gear 27 is installed on the shaft end of the reverse rotation cutter shaft, And mesh with the power access gear 17; and the reverse rotation knife 21 (see Figure 6A-6C), installed on the reverse rotation connection part, the reverse rotation knife 21 is a flat plate after unfolding, the reverse rotation The working edge of the knife 21 has a cutting edge, the thickness of the cutting edge is 0.8-1.2mm, the bending angle of the reverse rotation knife 21 is 83-87°, and there are 2 mounting holes on the mounting surface. The counter-rotating knife 21 is a spring steel material not lower than 60Si ₂ MnA, and the surface heat treatment hardness of the counter-rotating knife 21 is HRC55-62. In this embodiment, there are preferably two counter-rotating knives 21 , which are respectively connected to the seat plate of the counter-rotating knife seat 22 by bolts. During installation, the joint surface of the lower part of the gear box body 7 of the mounting seat of the reverse rotation bearing chamber 25 and the sealing washer 26 are fixed on the intermediate shaft sleeve platform in the gear box body 7 with bolts, and the two bearing outer rings of the tapered bearing 24 are respectively installed on the The upper and lower bearing chambers of the reverse rotation bearing chamber 25 have their big ends facing outward; then the two reverse rotation knives 21 are bolted to the seat plate of the reverse rotation connection part of the reverse rotation knife seat 22 respectively, and the lip seal ring of the rotation shaft 23 is installed on the journal at the bottom end of the counter-rotating knife shaft of the counter-rotating knife seat 22, and a bearing inner ring of the tapered bearing 24 is installed on the second journal at the lower end of the counter-rotating knife shaft of the counter-rotating knife seat 22. mouth upward; then insert the counter-rotating knife shaft of the counter-rotating knife seat 22 into the above-mentioned counter-rotating bearing chamber 25, and install a bearing inner ring of the tapered bearing 24 to the bearing on the upper end of the counter-rotating knife shaft of the counter-rotating knife seat 22 On the journal, the counter-rotating gear 27 is inserted into the external spline shaft end of the counter-rotating knife shaft of the counter-rotating knife seat 22, and the round nut stop washer 28 and the round nut 29 are installed in sequence; check the installed counter-rotating knife seat 22 and Wherein the bearing gap of taper bearing 24, the gap is too large to tighten the round nut 29, and the gap is too small then loosen the round nut 29, until the bearing gap is suitable, lock the round nut 29 with the round nut stop washer 28.

Referring to FIG. 4A and FIG. 4B , FIG. 4A is a three-dimensional schematic diagram of a vertical forward rotation mechanism according to an embodiment of the present invention, and FIG. 4B is a cross-sectional view of FIG. 4A . The vertical forward rotation mechanism 3 includes: a forward rotation bearing chamber 35, which is installed on the bottom surface of the gear box and adjacent to the reverse rotation bearing chamber 25; The cutter shaft, the forward rotation cutter shaft is arranged on the said forward rotation connection part and installed in the said forward rotation bearing chamber 35; the forward rotation gear 37 is installed on the shaft end of the said forward rotation cutter shaft, and The reverse rotation gear 27 meshes; and the forward rotation knife 31 (see Fig. 5A-5C), is installed on the said forward rotation connection part, and the said forward rotation knife 31 becomes a flat plate after unfolding, and the work of the said forward rotation knife 31 There is a cutting edge on the edge, the thickness of the cutting edge is 0.8-1.2mm, the bending angle of the said forward-rotating knife 31 is 83-87°, and two installation holes are arranged on the mounting surface, and the said forward-rotating knife 31 It is preferably a spring steel material not lower than 60Si ₂ MnA, and the surface heat treatment hardness of the forward-rotating knife 31 is preferably HRC55-62. In this embodiment, there are preferably two forward-rotating knives 31 , which are respectively bolted to the seat plate of the sequential connection portion of the forward-rotating knife holder 32 . During installation, the joint surface of the lower part of the gear box body 7 of the mounting seat in the shunxuan bearing chamber 35 and the sealing washer 36 are fixed on the intermediate shaft sleeve platform in the gear box body 7 with bolts, and the two bearing outer rings of the tapered bearing 34 are installed separately. In the upper and lower bearing chambers of the forward-rotating bearing chamber 35, the big ends face outward; then the two forward-rotating knives 31 are fastened to the seat plate of the forward-rotating knife seat with bolts, and the lip seal ring 33 of the rotating shaft is installed on the forward-rotating knife seat. On the journal at the bottom end of the knife shaft in the rotary knife seat, a bearing inner ring of the tapered bearing 34 is installed on the second journal at the lower end of the knife shaft in the rotary knife seat, and the tapered mouth of the bearing inner ring faces upward; The middle cutter shaft is inserted into the above-mentioned shunt-rotating bearing chamber, and a bearing inner ring of the tapered bearing 34 is installed on the bearing journal at the upper end of the shunt-spinning tool holder, and the shunting gear 37 is inserted into the shunting ring of the shunting cutter holder 32. Install the round nut stop washer 38 and the round nut 39 in sequence on the outer spline shaft end of the cutter shaft; check the bearing clearance between the installed forward-rotating knife seat 32 and the taper bearing 34 in it, if the clearance is too large, tighten the round nut 39, if the clearance is too large Small then loosen the round nut 39, until the bearing clearance is suitable, lock the round nut 39 with the round nut stop washer 38.

In this embodiment, the power access bearing chamber 15, the counter-rotation bearing chamber 25 and the forward-rotation bearing chamber 35 are all independent bearing chambers for installing pairs of bearings, including: bearing mounting seats, and the The bottom surface of the gearbox is connected; and the bearing sleeve is arranged on the bearing mounting seat, the upper and lower parts of the bearing sleeve are respectively provided with an upper bearing chamber and a lower bearing chamber, and the upper bearing chamber and the lower bearing chamber are respectively equipped with a cone bearings. Wherein, the bearing mounting seat is connected with the gear box through bolts, the upper surface of the bearing mounting seat is provided with a plurality of internal threaded holes, and the lower surface of the bearing mounting seat is opposite to the internal threaded holes. Shaped boss. The lower end of the bearing sleeve is provided with a lower bearing chamber and an oil seal installation chamber for installing the lip seal ring and bearing of the rotating shaft, and an upper bearing chamber is provided at the upper end for installing the bearing. The joint surface of the bottom surface of the body 7 is provided with a plurality of internal threaded holes, which are fastened to the middle part of the bottom surface of the gear case 7 with bolts. Through the external seepage of bolts, a cylindrical boss is provided on the other side of the mounting seat at the internal thread to reduce the thickness of the mounting seat plate. The lower ends of the power access shaft, the counter-rotating knife shaft and the forward-rotating knife shaft are respectively provided with annular sealing grooves, and the power access shaft, the reverse-rotating knife shaft and the forward-rotating knife shaft are respectively provided with lower bearings The external spline and the external threaded shaft section are connected with the external spline, the upper bearing journal, and the gear, and the internal spline section is also provided at the upper end of the power access shaft.

When working, the power of the tractor is transmitted to the power input shaft 41 in the gearbox 4 through the universal joint transmission shaft, and the power is transmitted to the power output shaft 43 through the gear transmission of the gearbox, and then the power is transmitted through the spline connection transmission To the power access shaft on the power access mechanism 1, the drive power is connected to the knife seat 12 and the vertical forward-rotating knife 11 (this embodiment takes forward rotation as an example, and it can also be counter-rotating) to rotate clockwise, and then through the power The meshing transmission of access gear 17, counter-rotating gear 27, and forward-rotating gear 37 drives the adjacent vertical reverse-rotating mechanism 2 and vertical forward-rotating mechanism 3 to rotate, and the adjacent vertical forward-rotating mechanism 3 and vertical reverse-rotating mechanism Reverse rotation between mechanism 2. The rotation direction of the power output shaft of the tractor is generally clockwise. The role of the gearbox 4 mainly includes two aspects. One is to connect the power input shaft 41 of the gearbox 4 to the rotational speed, and become the power output shaft 43 by adjusting the gear meshing transmission ratio. The required rotational speed; on the other hand, through the gearbox 4, the power input lateral rotation is changed into vertical rotation, and the required rotation direction is guaranteed. Power access gear 17, counter-rotating gear 27, and forward-rotating gear 37 are respectively connected with splines on respective shafts, and can actually be the same gear.

In this embodiment, the vertical forward-rotating knife 11 is installed on the power access mechanism 1 as an example, and the power access needs to be forward-rotating. Otherwise, the vertical reverse-rotating knife 21 is installed on the power access mechanism 1, then Power access requires reverse rotation power access. The specific power connection method can be set according to the actual needs and the structural layout of the whole machine, and the comparison is not limited.

The vertical rotary tiller of the utility model and the vertical rotary tiller with it can improve the assembly quality of the whole machine and reduce the manufacturing and maintenance costs; when the broken soil is used for land preparation, the interaction between the plow layer and the soil layer is weak, and the soil layer is not disturbed. Moreover, it has strong ability to level broken soil and has the characteristics of conservation tillage.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. a kind of vertical type rotary tillage knife is mounted on vertical rotary tiller, the vertical rotary tiller includes gear-box and is mounted on described Gearbox on gear-box, the vertical type rotary tillage knife are mounted on the gear-box, which is characterized in that the bottom of the gear-box Dynamic access mechanism is set, and the power access mechanism is connect with the gearbox, the vertical type rotary tillage knife and the power Mechanism connection is accessed, the vertical type rotary tillage knife includes mounted on the vertical inverse rotation mechanism of the lower part of the gear-box and vertical conrotatory Mechanism, the power access mechanism are connect with the vertical inverse rotation mechanism or the vertical conrotatory mechanism, the vertical inverse rotation machine Structure connect and reversely rotates with the vertical conrotatory mechanism.

2. vertical type rotary tillage knife as described in claim 1, which is characterized in that power access mechanism be vertical conrotatory structure simultaneously It is connect with the vertical inverse rotation mechanism, the power access mechanism includes：

Power accesses bearing chamber, is mounted on the middle part bottom surface of the gear-box；

Power accesses tool apron, including mounting base and power access axis, and the power access axis is arranged in the mounting base, described Power access axis be mounted on the power access bearing chamber in and with the power output axis connection of the gearbox；And

Power accesses gear, is mounted on the shaft end of power access axis.

3. vertical type rotary tillage knife as claimed in claim 2, which is characterized in that the vertical inverse rotation mechanism includes：

Inverse rotation bearing chamber, is mounted on the bottom surface of the gear-box and adjacent with power access bearing chamber；

Inverse rotary knife seat, including inverse rotation interconnecting piece and inverse rotary knife axis, the inverse rotary knife axis setting is on the inverse rotation interconnecting piece and pacifies Interior is held mounted in the inverse spin axis；

Inverse rotation gear is mounted on the shaft end of the inverse rotary knife axis, and is engaged with power access gear；And

Inverse rotary knife is mounted on the inverse rotation interconnecting piece.

4. vertical type rotary tillage knife as claimed in claim 3, which is characterized in that the vertical conrotatory mechanism includes：

Conrotatory bearing chamber is mounted on the bottom surface of the gear-box and adjacent with the inverse rotation bearing chamber；

Conrotatory tool apron, including conrotatory interconnecting piece and conrotatory cutter shaft, the conrotatory cutter shaft are arranged on the conrotatory interconnecting piece and pacify In the conrotatory bearing chamber；

Conrotatory gear is mounted on the shaft end of the conrotatory cutter shaft, and is engaged with the inverse rotation gear；And

Conrotatory knife is mounted on the conrotatory interconnecting piece.

5. vertical type rotary tillage knife as claimed in claim 4, which is characterized in that power access bearing chamber, inverse rotation bearing chamber and The conrotatory bearing chamber is separate bearings room, is respectively included：

Bearing mounting base is connect with the bottom surface of the gear-box；And

Bearing holder (housing, cover) is arranged on the bearing mounting base, and the bearing holder (housing, cover) upper and lower part is respectively arranged with upper bearing (metal) room under Bearing chamber is separately installed with cone bearing in the upper bearing (metal) room and lower bearing room.

6. vertical type rotary tillage knife as claimed in claim 5, which is characterized in that the bearing mounting base passes through bolt and the gear Case connects, and the upper surface of the bearing mounting base is provided with multiple internal thread holes, the bearing mounting base lower surface with it is described interior Threaded hole is provided with cylindrical boss with respect to place.

7. vertical type rotary tillage knife as claimed in claim 4, which is characterized in that power access axis, inverse rotary knife axis and described suitable The lower end of rotary knife axis is respectively equipped with annular seal groove, and the power access axis, inverse rotary knife axis and the conrotatory cutter shaft are respectively set There are lower bearing neck, upper bearing (metal) neck, gear connection external splines and external screw thread shaft part, the upper end of the power access axis to be additionally provided with interior flower Key section.

8. vertical type rotary tillage knife as claimed in claim 3, which is characterized in that it is a tablet after the inverse rotary knife expansion, it is described inverse The working edge of rotary knife is provided with cutting edge, and the thickness of the cutting edge is 0.8-1.2mm, and the bending angle of the inverse rotary knife is 83-87 °, institute It is not less than 60Si to state inverse rotary knife₂The Surface heat-treatent hardness of the spring steel materials and parts of MnA, the inverse rotary knife is HRC55-62.

9. vertical type rotary tillage knife as claimed in claim 4, which is characterized in that it is a tablet after the conrotatory knife expansion, it is described suitable The working edge of rotary knife is provided with cutting edge, and the thickness of the cutting edge is 0.8-1.2mm, and the bending angle of the conrotatory knife is 83-87 °, institute It is not less than 60Si to state conrotatory knife₂The Surface heat-treatent hardness of the spring steel materials and parts of MnA, the conrotatory knife is HRC55-62.

10. a kind of vertical rotary tiller, which is characterized in that the vertical rotary tiller includes any one of the claims 1-9 The vertical type rotary tillage knife.