阅读说明：本技术 一种仿生连杆及出入土角度可调的水田叶轮 (Bionic connecting rod and paddy field impeller with adjustable soil inlet and outlet angles ) 是由 张凯鑫 张劲松 周雯 刘虎 陈源 盛凯 于 2021-08-30 设计创作，主要内容包括：本发明公开一种仿生连杆包括机架、下连杆、仿生肢、角度控制摆杆、中间杆、角度调节杆和上连杆；下连杆一端与机架底部铰接,另一端与仿生肢的中部铰接；上连杆一端与机架顶部铰接,另一端与中间杆的一端铰接,中间杆另一端与角度控制摆杆中部铰接；角度调节杆一端与上连杆中部铰接,另一端与角度控制摆杆一端铰接；角度控制摆杆另一端与仿生肢上端铰接。本发明还公开一种出入土角度可调的水田叶轮包括上轮、下轮、连接法兰、齿轮箱总成和叶片；连接法兰与机架相连接,齿轮箱总成与动力系统连接,齿轮箱总成与下轮的轴心传动连接；叶片设于上轮和下轮之间。用于水田作业机械,避免粘附泥土,降低滑转率,降低功耗损失。(The invention discloses a bionic connecting rod which comprises a rack, a lower connecting rod, a bionic limb, an angle control swing rod, an intermediate rod, an angle adjusting rod and an upper connecting rod, wherein the lower connecting rod is fixedly connected with the rack; one end of the lower connecting rod is hinged with the bottom of the frame, and the other end of the lower connecting rod is hinged with the middle part of the bionic limb; one end of the upper connecting rod is hinged with the top of the frame, the other end of the upper connecting rod is hinged with one end of the middle rod, and the other end of the middle rod is hinged with the middle part of the angle control swing rod; one end of the angle adjusting rod is hinged with the middle part of the upper connecting rod, and the other end of the angle adjusting rod is hinged with one end of the angle control swing rod; the other end of the angle control swing rod is hinged with the upper end of the bionic limb. The invention also discloses a paddy field impeller with an adjustable soil inlet and outlet angle, which comprises an upper wheel, a lower wheel, a connecting flange, a gear box assembly and blades; the connecting flange is connected with the frame, the gear box assembly is connected with the power system, and the gear box assembly is in transmission connection with the axis of the lower wheel; the blades are arranged between the upper wheel and the lower wheel. The power-driven roller is used for paddy field operation machinery, avoids soil adhesion, reduces the slip rate and reduces the power loss.)

1. A bionic connecting rod is characterized by comprising a rack, a lower connecting rod, a bionic limb, an angle control swing rod, an intermediate rod, an angle adjusting rod and an upper connecting rod; one end of the lower connecting rod is hinged with the bottom of the rack; the other end of the lower connecting rod is hinged with the middle part of the bionic limb; one end of the upper connecting rod is hinged with the top of the rack; the other end of the upper connecting rod is hinged with one end of the middle rod, and the other end of the middle rod is hinged with the middle part of the angle control swing rod; one end of the angle adjusting rod is hinged with the middle part of the upper connecting rod, and the other end of the angle adjusting rod is hinged with one end of the angle control swing rod; the other end of the angle control swing rod is hinged with the upper end of the bionic limb.

2. The biomimetic linkage according to claim 1, wherein the angle adjustment lever includes a telescoping pair.

3. A paddy field impeller with an adjustable soil inlet and outlet angle is characterized by comprising an upper wheel, a lower wheel, a connecting flange, a gear box assembly and a plurality of blades; the connecting flange is used for being connected with the rack, the input end of the gear box assembly is connected with the power system, and the output end of the gear box assembly is in transmission connection with the lower wheel; the blades are arranged between the upper wheel and the lower wheel, the tops of the blades are rotatably connected with the upper wheel, and the middle parts of the blades are rotatably connected with the lower wheel.

4. The paddy field impeller with adjustable soil inlet and outlet angles as claimed in claim 3, wherein a plurality of eccentric sleeves are provided on the upper wheel, a double-hole adjusting disk is provided on the eccentric sleeves, the top of the blade is rotatably connected with a first hole of the double-hole adjusting disk, and a second hole of the double-hole adjusting disk is connected with the angle adjusting mechanism.

5. The adjustable entry and exit angle paddy field impeller of claim 4, wherein the angle adjusting mechanism comprises an angle manipulating plate and a distance hole coupling assembly; the angle control disc and the upper disc are coaxially arranged, one end of the distance hole-linking assembly is connected with the second hole of the double-hole adjusting disc, and the other end of the distance hole-linking assembly is connected with the angle control disc.

6. The paddy field impeller with adjustable soil entry and exit angles as claimed in claim 5, wherein the upper wheel is provided with a plurality of steering wheel guide posts, and the angle steering wheel is slidably provided on the plurality of steering wheel guide posts.

7. The paddy field impeller with adjustable soil entry and exit angles as claimed in claim 5, wherein the distance-holder assembly includes a distance-connecting shaft, a distance-connecting rod and a distance-connecting pin; the two ends of the distance connecting rod are respectively provided with a distance connecting shaft through the distance connecting pin; the distance connecting shafts at two ends of the distance connecting rod are respectively connected with the angle control disc and the upper wheel.

8. The paddy field impeller with adjustable soil entrance and exit angles as claimed in claim 3, wherein the gear box assembly comprises a box body, a lower gear shaft, a middle gear shaft and an upper gear shaft; the lower gear shaft is arranged at the lower part in the box body, one end of the lower gear shaft extends out of the box body and is connected with the lower wheel, the upper gear shaft is arranged at the upper part in the box body, one end of the upper gear shaft extends out of the box body and is connected with a power system, and the middle gear shaft is arranged in the middle in the box body and is in transmission connection with the upper gear shaft and the lower gear shaft.

Technical Field

The invention relates to the technical field of running mechanisms of paddy field operation machinery, in particular to a bionic connecting rod and a paddy field impeller with an adjustable soil inlet and outlet angle.

Background

The rice is the main grain crop in China and relates to grain safety. The comprehensive mechanization rate of the rice reaches a higher level at present. But still, a plurality of operation links are carried out in water environment, such as cultivation, plant protection, harvest of regenerated rice in first season and the like. Therefore, the paddy field running mechanism is a very important part of mechanized planting of rice.

The prior paddy field running gear patents are numerous, and the phenomena of 'pressing down when entering soil and lifting when leaving soil' basically exist. Patent CN201420292481.3 discloses a paddy field walking wheel, can play the effect of preventing sinking, but the blade can not move about, also can cause the phenomenon of "push down, unearthed rise" of burying. Patent CN201921262638.7 discloses an assembled paddy field wheel for a boat tractor, wherein the blades can move relative to the wheel, and the angle can be adjusted during assembly, but cannot be adjusted during operation, and when the boat tractor operates at different phases, the angle is fixed, and one of the phenomena of 'pushing down when entering the soil and raising when leaving the soil' can be solved after the angle is adjusted. The patent CN201821749579.1 discloses a paddy field agricultural machine walking wheel, has some innovation in the aspect of the blade, can realize preventing sinking the function, but the blade is deep into earth not long, and drive power receives the restriction.

Disclosure of Invention

In order to solve the technical problems, the invention provides a bionic connecting rod and a paddy field impeller with an adjustable soil inlet and outlet angle, which are used for a paddy field walking mechanism.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a bionic connecting rod which comprises a rack, a lower connecting rod, bionic limbs, an angle control swing rod, an intermediate rod, an angle adjusting rod and an upper connecting rod, wherein the lower connecting rod is fixedly connected with the rack; one end of the lower connecting rod is hinged with the bottom of the rack; the other end of the lower connecting rod is hinged with the middle part of the bionic limb; one end of the upper connecting rod is hinged with the top of the rack; the other end of the upper connecting rod is hinged with one end of the middle rod, and the other end of the middle rod is hinged with the middle part of the angle control swing rod; one end of the angle adjusting rod is hinged with the middle part of the upper connecting rod, and the other end of the angle adjusting rod is hinged with one end of the angle control swing rod; the other end of the angle control swing rod is hinged with the upper end of the bionic limb.

Optionally, the angle adjusting rod comprises a telescopic pair.

The invention also provides a paddy field impeller with an adjustable soil inlet and outlet angle, which comprises an upper wheel, a lower wheel, a connecting flange, a gear box assembly and a plurality of blades; the connecting flange is used for being connected with the rack, the input end of the gear box assembly is connected with the power system, and the output end of the gear box assembly is in transmission connection with the lower wheel; the blades are arranged between the upper wheel and the lower wheel, the tops of the blades are rotatably connected with the upper wheel, and the middle parts of the blades are rotatably connected with the lower wheel.

Optionally, a plurality of eccentric sleeves are arranged on the upper wheel, a double-hole adjusting disc is arranged on each eccentric sleeve, the top of each blade is rotatably connected with a first hole of the double-hole adjusting disc, and a second hole of the double-hole adjusting disc is connected with the angle adjusting mechanism.

Optionally, the angle adjusting mechanism includes an angle control plate and a fixed-distance hole connector assembly; the angle control disc and the upper disc are coaxially arranged, one end of the distance hole-linking assembly is connected with the second hole of the double-hole adjusting disc, and the other end of the distance hole-linking assembly is connected with the angle control disc.

Optionally, the upper wheel is provided with a plurality of control panel guide posts, and the angle control panel is slidably disposed on the plurality of control panel guide posts.

Optionally, the distance hole connector assembly comprises a distance connecting shaft, a distance connecting rod and a distance connecting pin; the two ends of the distance connecting rod are respectively provided with a distance connecting shaft through the distance connecting pin; the distance connecting shafts at two ends of the distance connecting rod are respectively connected with the angle control disc and the upper wheel.

Optionally, the gearbox assembly comprises a box body, a lower gear shaft, a middle gear shaft and an upper gear shaft; the lower gear shaft is arranged at the lower part in the box body, one end of the lower gear shaft extends out of the box body and is connected with the lower wheel, the upper gear shaft is arranged at the upper part in the box body, one end of the upper gear shaft extends out of the box body and is connected with a power system, and the middle gear shaft is arranged in the middle in the box body and is in transmission connection with the upper gear shaft and the lower gear shaft.

Compared with the prior art, the invention has the following technical effects:

according to the bionic connecting rod and the paddy field impeller with the adjustable soil inlet and outlet angles, mechanical bionic is achieved through the connecting rod mechanism, a single set of travelling mechanism can be compounded into a plurality of sets of travelling mechanisms capable of circularly and continuously running, and parts of the plurality of sets of travelling mechanisms cannot interfere with each other on the premise of finishing movement, so that the bionic connecting rod is suitable for operating machinery of a paddy field, soil adhesion is avoided, the slip rate is reduced, and the power consumption loss is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a bionic connecting rod according to the present invention;

FIG. 2 is a schematic structural view of a paddy field impeller with an adjustable soil inlet and outlet angle according to the present invention;

FIG. 3 is a schematic view of another angle of the paddy field impeller with adjustable angle of soil entrance and exit according to the present invention;

FIG. 4 is a schematic structural view of a lower wheel of the paddy field impeller with an adjustable soil inlet and outlet angle according to the present invention;

FIG. 5 is a schematic structural view of a gearbox assembly in a paddy field impeller with an adjustable soil inlet and outlet angle according to the present invention;

FIG. 6 is a schematic structural view of an upper wheel of the paddy field impeller with an adjustable soil inlet and outlet angle according to the present invention;

FIG. 7 is a schematic structural view of a blade of a paddy field impeller with an adjustable soil inlet and outlet angle according to the present invention;

FIG. 8 is a schematic structural view of a fixed-distance hole-coupling assembly in a paddy field impeller with an adjustable soil-in and-out angle.

Description of reference numerals: 1. a lower wheel; 2. a lower wheel connecting disc; 3. a gearbox assembly; 4. an upper wheel bearing; 5. an upper wheel; 6. a blade; 7. a blade shaft; 8. a fixed-distance hole connector assembly; 9. an eccentric sleeve; 10. a dual-hole adjustment disk; 11. a connecting flange; 12. a lower wheel bearing; 13. a control panel guide post; 14. an angle control dial; 15. a gearbox bearing; 16. a gearbox bearing cap; 17. a lower gear shaft; 18. a middle gear shaft; 19. an upper gear shaft; 20. a front half gear case; 21. a rear half gear case; 22. a fixed-distance connecting shaft; 23. a fixed-distance connecting rod; 24. a distance connecting pin; 25. a frame; 26. a lower connecting rod; 27. simulating limbs; 28. an angle control swing rod; 29. an intermediate lever; 30. an angle adjusting rod; 31. an upper connecting rod.

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.

The first embodiment is as follows:

as shown in fig. 1, the present embodiment provides a bionic connecting rod, which includes a frame 25, a lower connecting rod 26, a bionic limb 27, an angle control swing rod 28, an intermediate rod 29, an angle adjusting rod 30 and an upper connecting rod 31; one end of the lower connecting rod 26 is hinged with the bottom of the frame 25; the other end of the lower connecting rod 26 is hinged with the middle part of the bionic limb 27; one end of the upper connecting rod 31 is hinged with the top of the frame 25; the other end of the upper connecting rod 31 is hinged with one end of the middle rod 29, and the other end of the middle rod 29 is hinged with the middle part of the angle control swing rod 28; one end of the angle adjusting rod 30 is hinged with the middle part of the upper connecting rod 31, and the other end of the angle adjusting rod 30 is hinged with one end of the angle control swing rod 28; the other end of the angle control swing rod 28 is hinged with the upper end of the bionic limb 27; the angle adjustment lever 30 includes a telescopic pair.

In operation, the lower link 26 acts as a power input to drive the entire link system in a circular motion.

Example two:

as shown in fig. 2 to 8, the present embodiment provides a paddy field impeller with an adjustable soil inlet and outlet angle, comprising an upper wheel 5, a lower wheel 1, a connecting flange 11, a gear box assembly 3 and a plurality of blades 6; the connecting flange 11 is used for being connected with a frame 25, the input end of the gear box assembly 3 is connected with a power system, and the output end of the gear box assembly 3 is in transmission connection with the lower wheel 1; the blades 6 are arranged between the upper wheel 5 and the lower wheel 1, the tops of the blades 6 are rotatably connected with the upper wheel 5, and the middle parts of the blades 6 are rotatably connected with the lower wheel 1.

In this embodiment, a plurality of eccentric sleeves 9 are disposed on the upper wheel 5, a dual-hole adjusting disc 10 is disposed on the eccentric sleeves 9, the top of the vane 6 is rotatably connected to a first hole of the dual-hole adjusting disc 10, and a second hole of the dual-hole adjusting disc 10 is connected to the angle adjusting mechanism. Further, the axis of the double-hole adjusting disc is coaxially arranged with the eccentric hole of the eccentric sleeve 9. The angle adjusting mechanism comprises an angle control disc 14 and a distance hole coupling assembly 8; the angle control disc 14 and the upper disc 5 are coaxially arranged, one end of the distance hole connector assembly 8 is connected with the second hole of the double-hole adjusting disc 10, and the other end of the distance hole connector assembly 8 is connected with the angle control disc 14. The upper wheel 5 is provided with a plurality of control disc guide posts 13, the angle control disc 14 is slidably arranged on the plurality of control disc guide posts 13, specifically, three guide post connecting holes are arranged around the axis of the upper wheel 5, each guide post connecting hole is connected with one end of one control disc guide post 13, the other end of each control disc guide post 13 is provided with a thread, the angle control disc 14 is provided with three sliding through holes, each sliding through hole corresponds to one control disc guide post 13, and the angle control disc 14 is prevented from falling off by arranging a nut on each control disc guide post 13, so that the angle control disc 14 can slide along the control disc guide posts 13, and the double-hole adjusting disc 10 is rotated through the distance hole coupler assembly 8 to change the posture angle of the blade 6; the distance coupling hole assembly 8 comprises a distance connecting shaft 22, a distance connecting rod 23 and a distance connecting pin 24; the distance connecting shaft 22 is arranged at each of two ends of the distance connecting rod 23 through the distance connecting pin 24; the distance connecting shafts 22 at both ends of the distance connecting rod 23 are connected to the angle manipulating disk 14 and the double-hole disk on the upper wheel 5, respectively. The attitude angle of the vane 6 is adjusted by adjusting the relative distance between the upper hole of the vane 6 and the hole of the upper wheel 5 through the eccentric sleeve 9 and the double-hole adjusting disk.

The gear box assembly 3 comprises a box body, a lower gear shaft 17, a middle gear shaft 18 and an upper gear shaft 19; the lower gear shaft 17 is arranged at the lower part in the box body, one end of the lower gear shaft 17 extends out of the box body to be connected with the lower wheel 1, the upper gear shaft 19 is arranged at the upper part in the box body, one end of the upper gear shaft 19 extends out of the box body to be connected with a power system, and the middle gear shaft 18 is arranged at the middle part in the box body and is in transmission connection with the upper gear shaft 19 and the lower gear shaft 17. The housing includes a front half housing 20 and a rear half housing 21 to facilitate mounting of the internal gear shafts and bearings. The upper wheel 5 is arranged on the gear box assembly 3 through a bearing; the lower wheel 1 is provided with a lower wheel connecting disc 2, the lower wheel connecting disc 2 is connected with a lower gear shaft 17 through a spline, the position of the lower gear shaft 17 close to the spline and the other end of the lower gear shaft 17 are connected with the box body through a gear box bearing 15; the two ends of the middle gear shaft 18 are respectively connected with the box body through gear box bearings 15. The upper gear shaft 19 is driven by a power system, the lower wheel 1 rotates through the middle gear shaft 18 and the lower gear shaft 17, and the lower wheel 1 and the upper wheel 5 are transmitted through the blades 6, so that the upper wheel 5 and the lower wheel 1 rotate.

The bionic connecting rod and the paddy field impeller with the adjustable soil inlet and outlet angles avoid the phenomena of 'pressing down when entering soil and lifting up when leaving soil' by simulating the lower limbs of buffalos and cranes, and can reduce the phenomenon of adhering soil in deep-mud paddy fields, particularly sticky soil, so that the loss of power consumption is reduced, the projection area of a vertical plane is fully utilized to generate traction force, the efficiency of converting torque into traction force is improved, and the slip rate is reduced.

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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.