CN219981452U - Novel rotary tillage cutter mechanism - Google Patents
Novel rotary tillage cutter mechanism Download PDFInfo
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- CN219981452U CN219981452U CN202321286944.0U CN202321286944U CN219981452U CN 219981452 U CN219981452 U CN 219981452U CN 202321286944 U CN202321286944 U CN 202321286944U CN 219981452 U CN219981452 U CN 219981452U
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- cutter shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000003971 tillage Methods 0.000 title abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 82
- 230000008859 change Effects 0.000 claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 7
- 244000309464 bull Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Soil Working Implements (AREA)
Abstract
The utility model discloses a novel rotary tillage cutter mechanism, which comprises: the device comprises a support frame, a cutter shaft assembly arranged on the support frame in a rotatable mode, a motor arranged on the support frame and used for driving the cutter shaft assembly to rotate, and a transmission assembly connected with the cutter shaft assembly and the motor, wherein the motor is arranged in the middle of the support frame, two ends of the transmission assembly are respectively connected with the motor and the middle of the cutter shaft assembly, and a speed change module is arranged between the motor and the transmission assembly. A motor is adopted to drive the cutter shaft assembly to work from the middle of the cutter shaft assembly through the speed changing module and the transmission assembly, so that the problem of internal stress increase caused by asynchronous cutter shaft assembly does not exist, the working stability of the cutter shaft assembly is ensured, and the service life of the cutter shaft assembly is prolonged. The speed change module is arranged at the output end of the motor to change speed, so that higher torque can be output, stable torque output can be ensured, and unstable torque caused by direct speed change of the motor can be avoided.
Description
Technical field:
the utility model relates to the technical field of agricultural machinery, in particular to a novel rotary blade mechanism.
The background technology is as follows:
rotary tillage mechanisms are a common mechanism in agricultural machinery for tillage of the soil and turning of the soil. It is typically composed of a plurality of rotating tillers that, by contact with the ground and rotation, break up, turn over and mix the soil to improve the soil texture and prepare for planting.
The Chinese patent bulletin number is: an agricultural rotary cultivator of CN 114271046A discloses a rotary tillage mechanism 2 which comprises a base 21, a cutter shaft 22 arranged on the base 21 and a rotary tillage motor 23 used for driving the cutter shaft 22 to operate, wherein rotary blades 20 are distributed on the cutter shaft 22 along the axial direction. The output shaft of the rotary tillage motor 23 is linked with the cutter shaft 22 through a belt transmission assembly 24. However, the rotary tillage mechanism in the patent has the following disadvantages:
firstly, because the cutter shaft 22 is directly driven by rotary tillage motors 23 at two ends, the two rotary tillage motors 23 are required to keep synchronism, otherwise, torque is generated on the cutter shaft 22, internal stress is increased, and the cutter shaft 22 is easy to break during tillage. Particularly, during the speed change of the cutter shaft 22, the two rotary tillage motors 23 are difficult to keep synchronous speed change, so that the two ends of the cutter shaft 22 bear different stress changes, and abrasion is easy to increase, and the service life is reduced.
Secondly, as the rotary cultivator works, soil flies over, and the belt transmission assembly 24 directly linked with the cutter shaft 22 often falls into the soil during working, so that the transmission mechanism is blocked.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provides a novel rotary tillage cutter mechanism.
In order to solve the technical problems, the utility model adopts the following technical scheme: a novel rotary blade mechanism, comprising: the device comprises a support frame, a cutter shaft assembly arranged on the support frame in a rotatable mode, a motor arranged on the support frame and used for driving the cutter shaft assembly to rotate, and a transmission assembly connected with the cutter shaft assembly and the motor, wherein the motor is arranged in the middle of the support frame, two ends of the transmission assembly are respectively connected with the motor and the middle of the cutter shaft assembly, and a speed change module is arranged between the motor and the transmission assembly.
Furthermore, in the above technical scheme, the speed change module is including parallel arrangement's first back shaft and second back shaft, set up in on the first back shaft and be used for with the first input gear of motor butt joint transmission, slide set up in on the first back shaft first speed change gear train, set up in on the second back shaft and can with the second speed change gear train of first speed change gear train meshing transmission and be used for stirring first speed change gear train with the toggle device of second speed change gear train switching meshing gear pair, be provided with on the output shaft of motor with first output gear of first input gear matching meshing.
Furthermore, in the above technical scheme, the first speed change gear set includes a first pinion portion, a first bull gear portion and a dial portion, the second speed change gear set includes a second pinion portion and a second bull gear portion, wherein the first pinion portion and the second bull gear portion are a gear pair, the first bull gear portion and the second pinion portion are another gear pair, and the dial portion is connected with the dial portion in alignment.
Furthermore, in the above technical scheme, the toggle device comprises a motor screw rod module, a clamping groove block sleeved on the driving plate part in a butt joint manner, and a push rod assembly for connecting the motor screw rod module and the clamping groove block.
Furthermore, in the above technical scheme, the push rod assembly comprises a first swing arm connected with the motor screw rod module, a second swing arm connected with the clamping groove block, and a connecting rotating shaft connected with the first swing arm and the second swing arm, wherein the first swing arm is connected with the motor screw rod module in a relative rotation mode, and the second swing arm is also connected with the clamping groove block in a relative rotation mode.
Furthermore, in the above technical scheme, the transmission assembly comprises an input transmission gear arranged on the second support shaft, an output transmission gear arranged on the cutter shaft assembly, and a transmission gear shaft arranged between the input transmission gear and the output transmission gear.
Furthermore, in the above technical scheme, one end of the transmission gear shaft is provided with a first bevel gear for matching engagement with the input transmission gear, the other end of the transmission gear shaft is provided with a second bevel gear for matching engagement with the output transmission gear, and the input transmission gear and the output transmission gear are bevel gears.
Furthermore, in the above technical scheme, the input transmission gear and the second bevel gear are small bevel gears, the output transmission gear and the first bevel gear are large bevel gears, and the output transmission gear and the transmission gear shaft are further covered with a first protective shell.
In the above technical solution, the cutter shaft assembly includes a cutter shaft and rotary cutter groups disposed on the cutter shaft and distributed along an axial direction, wherein each of the rotary cutter groups is uniformly provided with a plurality of blades around the cutter shaft; the cutter shaft is a polygonal shaft, and the output transmission gear is arranged on the cutter shaft through a spline shaft sleeve.
Furthermore, in the above technical scheme, the speed change module further comprises a second protective shell covering the first support shaft, the second support shaft, the first output gear, the first speed change gear set and the second speed change gear set, and a first vertical plate and a second vertical plate for supporting two ends of the cutter shaft assembly are arranged on two sides of the support frame.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the motor is adopted to drive the cutter shaft assembly to work from the middle part of the cutter shaft assembly through the speed changing module and the transmission assembly, so that the problem of internal stress increase caused by asynchronous cutter shaft assembly does not exist, the working stability of the cutter shaft assembly is ensured, and the service life of the cutter shaft assembly is prolonged. Secondly, adopt to set up the speed change module at the output of motor and change speed, can export higher moment of torsion to can ensure stable moment of torsion output, can avoid the moment of torsion that is brought by the direct speed change of motor unstable.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a second perspective view of the present utility model;
FIG. 3 is a schematic illustration of the internal drive of the present utility model;
FIG. 4 is a second internal drive schematic of the present utility model;
FIG. 5 is a schematic diagram of a transmission module according to the present utility model;
fig. 6 is a schematic diagram of a transmission module according to a second embodiment of the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 6, a novel rotary blade mechanism is provided, which includes: the cutter shaft assembly comprises a support frame 1, a cutter shaft assembly 2 which is arranged on the support frame 1 in a rotatable mode, a motor 3 which is arranged on the support frame 1 and used for driving the cutter shaft assembly 2 to rotate, and a transmission assembly 4 which is connected with the cutter shaft assembly 2 and the motor 3, wherein the motor 3 is arranged in the middle of the support frame 1, two ends of the transmission assembly 4 are respectively connected with the motor 3 and the middle of the cutter shaft assembly 2, and a speed change module 5 is arranged between the motor 3 and the transmission assembly 4. The motor 3 is adopted to drive the cutter shaft assembly 2 to work from the middle part of the cutter shaft assembly 2 through the speed changing module 5 and the transmission assembly 4, so that the problem of internal stress increase caused by asynchronous cutter shaft assembly 2 does not exist, the working stability of the cutter shaft assembly 2 is ensured, and the service life of the cutter shaft assembly 2 is prolonged. Secondly, the speed change module 5 is arranged at the output end of the motor 3 to change speed, so that higher torque can be output, stable torque output can be ensured, and unstable torque caused by direct speed change of the motor can be avoided.
The speed change module 5 comprises a first support shaft 51 and a second support shaft 52 which are arranged in parallel, a first input gear 53 which is arranged on the first support shaft 51 and is used for being in butt joint transmission with the motor 3, a first speed change gear set 54 which is arranged on the first support shaft 51 in a sliding manner, a second speed change gear set 55 which is arranged on the second support shaft 52 and can be in meshing transmission with the first speed change gear set 54, and a poking device 56 which is used for poking the first speed change gear set 54 and the second speed change gear set 55 to switch meshing gear pairs, and a first output gear 31 which is in matching meshing with the first input gear 53 is arranged on an output shaft of the motor 3. The gear pairs at two ends are adopted to realize speed change, the speed change device is suitable for working speed and idle running speed of agro-farming machinery, a complex speed change module is not needed, the structure tends to be simplified, the shifting device 56 pushes the first speed change gear set 55 to slide and switch the gear pair for speed change, the structure is simple, and the speed change efficiency is high.
The speed change module 5 further comprises a second protective shell 57 covered on the first support shaft 51, the second support shaft 52, the first output gear 31, the first speed change gear set 54 and the second speed change gear set 55, and the two sides of the support frame 1 are provided with a first vertical plate 11 and a second vertical plate 12 for supporting the two ends of the cutter shaft assembly 2.
The first speed change gear set 54 includes a first pinion gear portion 541, a first large gear portion 542, and a dial portion 543, the second speed change gear set 55 includes a second pinion gear portion 551 and a second large gear portion 552, the first pinion gear portion 541 and the second large gear portion 552 are a gear pair, the first large gear portion 542 and the second small gear portion 551 are another gear pair, and the dial portion 543 is connected to the dial 56 in an aligned manner. The toggle device 56 comprises a motor screw rod module 561, a clamping groove block 562 which is sleeved on the dial plate portion 543 in a butt joint mode, and a push rod component 563 which is used for connecting the motor screw rod module 561 and the clamping groove block 562. The push rod assembly 563 includes a first swing arm 563A connected to the motor screw module 561, a second swing arm 563B connected to the clamping groove block 562, and a connection rotation shaft 563C connected to the first swing arm 563A and the second swing arm 563B, where the first swing arm 563A and the motor screw module 561 are connected in a relative rotation manner, and the second swing arm 563B and the clamping groove block 562 are also connected in a relative rotation manner. The push rod module 563 adopts the motor lead screw module 561 to drive the clamping groove block 562 to push the first speed change gear set 54 to slide through the push rod module 563, and the push rod module 563 adopts the first swing arm 563A and the second swing arm 563B to form a concave swing piece with the rotating shaft 563C, so that the rotating shaft 563C can penetrate through the second protective shell 57 to connect the electrode lead screw module 561 with the clamping groove block 562, and the whole structure is simple and compact.
The transmission assembly 4 comprises an input transmission gear 41 arranged on the second support shaft 52, an output transmission gear 42 arranged on the cutter shaft assembly 2, and a transmission gear shaft 43 arranged between the input transmission gear 41 and the output transmission gear 42. One end of the transmission gear shaft 43 is provided with a first bevel gear 431 for matching engagement with the input transmission gear 41, the other end of the transmission gear shaft 43 is provided with a second bevel gear 432 for matching engagement with the output transmission gear 42, and the input transmission gear 41 and the output transmission gear 42 are bevel gears. The input transmission gear 41 and the second bevel gear 432 are small bevel gears, the output transmission gear 42 and the first bevel gear 431 are large bevel gears, and the output transmission gear 42 and the transmission gear shaft 43 are further covered with a first protective shell 44. The transmission assembly 4 is transmitted by adopting a bevel gear pair, so that the structure is more compact, the reliability is high, the adjustability is strong, and larger torque and high transmission efficiency can be transmitted. Secondly, the input transmission gear 41 and the second bevel gear 432 are small bevel gears, and the output transmission gear 42 and the first bevel gear 431 are large bevel gears, so that two-stage speed reduction and torque lifting are realized, and the load capacity is increased.
The cutter shaft assembly 2 comprises a cutter shaft 21 and rotary cutter groups 22 which are arranged on the cutter shaft 21 and are distributed along the axial direction, wherein each rotary cutter group 22 is uniformly provided with a plurality of blades 221 around the cutter shaft 21; the cutter shaft 21 is a polygonal shaft, and the output transmission gear 42 is mounted on the cutter shaft 21 through a spline shaft sleeve 45.
In summary, in the utility model, the motor 3 is adopted to drive the cutter shaft assembly 2 from the middle part thereof to work through the speed changing module 5 and the transmission assembly 4, so that the problem of internal stress increase caused by asynchronous cutter shaft assembly 2 is avoided, the working stability of the cutter shaft assembly 2 is ensured, and the service life of the cutter shaft assembly 2 is prolonged. Secondly, the speed change module 5 is arranged at the output end of the motor 3 to change speed, so that higher torque can be output, stable torque output can be ensured, and unstable torque caused by direct speed change of the motor can be avoided. Secondly, the speed change module 5 and the transmission assembly 4 are wrapped through the cooperation of the first protective shell 44 and the second protective shell 57, so that the soil is effectively prevented from flying into the transmission mechanism, the transmission mechanism is prevented from being blocked, the maintenance frequency of equipment is greatly reduced, the working efficiency of the farming machine is improved, and the use cost is reduced.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (10)
1. A novel rotary blade mechanism, comprising: support frame (1), with rotatable mode set up in arbor subassembly (2) on support frame (1), set up in on support frame (1) and be used for the drive arbor subassembly (2) rotatory motor (3) and connect arbor subassembly (2) with drive assembly (4) of motor (3), a serial communication port, motor (3) set up in support frame (1) middle part, connect respectively at the both ends of drive assembly (4) motor (3) with the middle part of arbor subassembly (2), motor (3) with be provided with variable speed module (5) between drive assembly (4).
2. The novel rotary blade mechanism of claim 1, wherein: the speed change module (5) comprises a first supporting shaft (51) and a second supporting shaft (52) which are arranged in parallel, a first input gear (53) which is arranged on the first supporting shaft (51) and used for being in butt joint transmission with the motor (3), a first speed change gear set (54) which is arranged on the first supporting shaft (51) in a sliding mode, a second speed change gear set (55) which is arranged on the second supporting shaft (52) and used for being meshed with the first speed change gear set (54) in transmission mode, and a stirring device (56) which is used for stirring the first speed change gear set (54) and the second speed change gear set (55) to switch a meshed gear pair, and a first output gear (31) which is matched and meshed with the first input gear (53) is arranged on an output shaft of the motor (3).
3. The novel rotary blade mechanism of claim 2, wherein: the first speed change gear set (54) comprises a first pinion part (541), a first large gear part (542) and a driving plate part (543), the second speed change gear set (55) comprises a second pinion part (551) and a second large gear part (552), the first pinion part (541) and the second large gear part (552) are gear pairs, the first large gear part (542) and the second pinion part (551) are another gear pair, and the driving plate part (543) is connected with the driving device (56) in an alignment mode.
4. A novel rotary blade mechanism according to claim 3, characterized in that: the toggle device (56) comprises a motor screw rod module (561), a clamping groove block (562) sleeved on the dial plate part (543) in a butt joint mode and a push rod assembly (563) used for connecting the motor screw rod module (561) and the clamping groove block (562).
5. The novel rotary blade mechanism of claim 4, wherein: the push rod assembly (563) comprises a first swing arm (563A) connected with the motor screw rod module (561), a second swing arm (563B) connected with the clamping groove block (562) and a connecting rotating shaft (563C) connected with the first swing arm (563A) and the second swing arm (563B), wherein the first swing arm (563A) is connected with the motor screw rod module (561) in a relative rotation mode, and the second swing arm (563B) is also connected with the clamping groove block (562) in a relative rotation mode.
6. The novel rotary blade mechanism according to any one of claims 2 to 5, wherein: the transmission assembly (4) comprises an input transmission gear (41) arranged on the second support shaft (52), an output transmission gear (42) arranged on the cutter shaft assembly (2) and a transmission gear shaft (43) arranged between the input transmission gear (41) and the output transmission gear (42).
7. The novel rotary blade mechanism of claim 6, wherein: one end of the transmission gear shaft (43) is provided with a first bevel gear (431) which is used for being matched and meshed with the input transmission gear (41), the other end of the transmission gear shaft (43) is provided with a second bevel gear (432) which is used for being matched and meshed with the output transmission gear (42), and the input transmission gear (41) and the output transmission gear (42) are bevel gears.
8. The novel rotary blade mechanism of claim 7, wherein: the input transmission gear (41) and the second bevel gear (432) are small bevel gears, the output transmission gear (42) and the first bevel gear (431) are large bevel gears, and a first protective shell (44) is further covered on the output transmission gear (42) and the transmission gear shaft (43).
9. The novel rotary blade mechanism of claim 6, wherein: the cutter shaft assembly (2) comprises a cutter shaft (21) and rotary cutter groups (22) which are arranged on the cutter shaft (21) and are distributed along the axial direction, wherein each rotary cutter group (22) uniformly surrounds the cutter shaft (21) and is provided with a plurality of blades (221); the cutter shaft (21) is a polygonal shaft, and the output transmission gear (42) is arranged on the cutter shaft (21) through a spline shaft sleeve (45).
10. The novel rotary blade mechanism according to any one of claims 7 to 9, wherein: the speed change module (5) further comprises a second protective shell (57) which is covered on the first support shaft (51), the second support shaft (52), the first output gear (31), the first speed change gear set (54) and the second speed change gear set (55), and a first vertical plate (11) and a second vertical plate (12) which are used for supporting two ends of the cutter shaft assembly (2) are arranged on two sides of the support frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321286944.0U CN219981452U (en) | 2023-05-22 | 2023-05-22 | Novel rotary tillage cutter mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321286944.0U CN219981452U (en) | 2023-05-22 | 2023-05-22 | Novel rotary tillage cutter mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219981452U true CN219981452U (en) | 2023-11-10 |
Family
ID=88607425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321286944.0U Active CN219981452U (en) | 2023-05-22 | 2023-05-22 | Novel rotary tillage cutter mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219981452U (en) |
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2023
- 2023-05-22 CN CN202321286944.0U patent/CN219981452U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240426 Address after: 523000 2nd floor, building C, Lianshang Zhizao Industrial Park, Chuangxing Road, Xiaoyong village, Gaopo Town, Dongguan City, Guangdong Province Patentee after: Xue Haitong Country or region after: China Address before: No. 157, Group 3, Xiayu Village, Qiangjiao Town, Ninghai County, Ningbo City, Zhejiang Province 315600 Patentee before: Xue Tongliang Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240910 Address after: 7B16N, Daqing Building, southeast of the intersection of Shennan Road and Guangshen Expressway, Tian'an Community, Shatou Street, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Guangdong Zhaotian Agricultural Technology Co.,Ltd. Country or region after: China Address before: 523000 2nd floor, building C, Lianshang Zhizao Industrial Park, Chuangxing Road, Xiaoyong village, Gaopo Town, Dongguan City, Guangdong Province Patentee before: Xue Haitong Country or region before: China |
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| TR01 | Transfer of patent right |