阅读说明：本技术 一种适用于青稞轻简化栽培技术穗茎分流收获的收获装置 (Harvesting device suitable for shunting and harvesting spike and stem of highland barley simplified cultivation technology ) 是由 焦国成 桑布 边巴 普布卓玛 高利云 罗黎鸣 关卫星 其美旺姆 文永松 旦增 于 2021-07-09 设计创作，主要内容包括：本发明涉及青稞收获装置技术领域,公开了一种适用于青稞轻简化栽培技术穗茎分流收获的收获装置,包括：机头、刀盘、驱动刀盘转动的电机、套体、安装腔、驱动组件、微处理器和电源,刀盘位于机头的下方,套体固定于刀盘下端的中心位置,套体内通过第一压簧连接有探杆,第一压簧与套体内底壁之间设置有第一压力传感器,安装腔形成于机头内,安装腔位于刀盘的正上方,安装腔内通过第二压簧连接电机,第二压簧与安装腔的上腔壁之间设置有第二压力传感器,驱动组件连接于电机上,以使电机沿安装腔的腔壁竖直运动,本发明装置能够解决在刀盘所在位置的地势较高时无法根据地势的变化调节其离地高度的问题。(The invention relates to the technical field of highland barley harvesting devices, and discloses a harvesting device suitable for split harvesting of ear stems by a highland barley simplified cultivation technology, which comprises the following steps: the device comprises a machine head, a cutter head, a motor for driving the cutter head to rotate, a sleeve body, a mounting cavity, a driving assembly, a microprocessor and a power supply, wherein the cutter head is positioned below the machine head, the sleeve body is fixed at the central position of the lower end of the cutter head, a probe rod is connected in the sleeve body through a first pressure spring, a first pressure sensor is arranged between the first pressure spring and the inner bottom wall of the sleeve body, the mounting cavity is formed in the machine head and is positioned right above the cutter head, the motor is connected in the mounting cavity through a second pressure spring, a second pressure sensor is arranged between the second pressure spring and the upper cavity wall of the mounting cavity, and the driving assembly is connected to the motor so as to enable the motor to vertically move along the cavity wall of the mounting cavity.)

1. The utility model provides a harvesting apparatus suitable for cultivation technique ear of grain stem reposition of redundant personnel results is lightly simplified to highland barley, includes aircraft nose (10), blade disc (20) and drive blade disc (20) pivoted motor (21), blade disc (20) are located the below of aircraft nose (10), its characterized in that still includes:

the cutter head cover comprises a cover body (30) fixed at the central position of the lower end of the cutter head (20), the open end of the cover body (30) is arranged downwards, a probe rod (32) is connected into the cover body (30) through a first pressure spring (31), a first pressure sensor (33) is arranged between the first pressure spring (31) and the inner bottom wall of the cover body (30), the first pressure sensor (33) is used for detecting the pressing force of the first pressure spring (31) on the inner bottom wall of the cover body (30), and the first pressure spring (31) is movably connected with the probe rod (32);

the mounting cavity (40) is formed in the machine head (10), the mounting cavity (40) is located right above the cutter head (20), the mounting cavity (40) is internally connected with the motor (21) through a second pressure spring (41), the lower end of the second pressure spring (41) is fixedly connected with the motor (21), a second pressure sensor (42) is arranged between the second pressure spring (41) and the upper cavity wall of the mounting cavity (40), and the second pressure sensor (42) is used for detecting the pressing force of the second pressure spring (41) on the upper cavity wall of the mounting cavity (40);

the driving assembly is connected to the motor (21) so as to enable the motor (21) to vertically move along the wall of the installation cavity (40);

the microprocessor is in signal connection with the first pressure sensor (33), the second pressure sensor (42) and the driving assembly respectively, when the pressing force of the inner bottom wall of the sleeve body (30) detected by the first pressure sensor (33) is larger than a threshold value, the microprocessor controls the driving assembly to drive the motor (21) to move upwards along the cavity wall of the installation cavity (40), and when the difference value between the pressing force of the upper cavity wall of the installation cavity (40) detected by the second pressure sensor (42) and the pressing force of the inner bottom wall of the sleeve body (30) is smaller than a preset value, the microprocessor controls the driving assembly to stop driving;

and the power supply is electrically connected with the driving assembly and the microprocessor respectively.

2. The harvesting device suitable for split-flow harvesting of the stalks of the highland barley simplified cultivation technique according to claim 1, wherein a telescopic rod (43) is disposed in the installation cavity (40), the upper end of the telescopic rod (43) is fixedly connected with the upper cavity wall of the installation cavity (40), the lower end of the telescopic rod (43) is fixedly connected with the upper end of the motor (21), and the second pressure spring (41) is sleeved on the periphery of the telescopic rod (43).

3. The harvesting device suitable for split-flow harvesting of stalks of highland barley for simplified cultivation technique according to claim 2, wherein there are two telescopic rods (43), and the two telescopic rods (43) are symmetrically arranged in the second compressed spring (41) with the central axis of the second compressed spring (41) as the center.

4. The harvesting device suitable for split harvesting of stalks of highland barley for simplified cultivation technique according to claim 1, wherein the wall of the mounting cavity (40) has a vertical first sliding groove (44), the peripheral wall of the motor (21) has a sliding block (22), the sliding block (22) is in sliding fit with the first sliding groove (44), and the driving assembly is connected to the sliding block (22) to drive the sliding block (22) to slide up and down along the first sliding groove (44).

5. The harvesting device for split-flow harvesting of stalks of highland barley for simplified cultivation as claimed in claim 4, wherein the first chutes (44) are two and symmetrically disposed on both sides of the motor (21).

6. The harvesting device for split harvesting of stalks of highland barley for simplified cultivation as claimed in claim 1, wherein the housing (30) has a second chute (34) with a circular shape on the inner side wall, the probe (32) has a limiting plate (35) on the outer wall, and the limiting plate (35) is slidably engaged with the second chute (34).

7. The harvesting device for split harvesting of stalks of highland barley for simplified cultivation technique according to claim 6, wherein a ball bearing (36) is disposed between the limiting plate (35) and the wall of the second chute (34), and the ball bearing (36) is partially embedded in the limiting plate (35).

8. The harvesting device for split-flow harvesting of stalks of highland barley for simplified cultivation as claimed in claim 1, wherein the lower end of said probe (32) is an arc-shaped structure (37) protruding to the ground.

Technical Field

The invention relates to the technical field of highland barley harvesting devices, in particular to a harvesting device suitable for split harvesting of ears and stems by a highland barley simplified cultivation technology.

Background

The simplified highland barley cultivation technology means that machinery is used for replacing labor force to complete various processes from planting to harvesting of highland barley.

At present, a combine harvester is adopted for harvesting highland barley, the highland barley is firstly cut off from the root part through a cutter head which is close to the ground, and then the highland barley is conveyed to a threshing mechanism through a conveying mechanism to be cut into ears and threshed, so that the split harvesting of ears and stems is realized.

The Tibetan is the main area that the highland barley was planted, and the Tibetan leads to soil hardness great because the weather is comparatively arid, and the land can not keep completely level and smooth in the farmland, always can have a hole hollow arch, because the blade disc of combine head has great distance apart from the wheel, generally at a distance of one meter to two meters, consequently often appear the relief that blade disc department is less than the relief of wheel department or the relief of blade disc department is higher than the relief of wheel department, when the relief of blade disc department is higher than the relief of wheel department, then the blade disc is easy direct contact soil and then cut soil, cutting resistance is great this moment, soil and the hard thing such as stone in the soil easily cause the damage to the cutting edge of blade disc during the cutting, thereby influence the efficiency of cutting the highland barley root, and then lead to the ear stem reposition of redundant personnel efficiency reduction in later stage.

Disclosure of Invention

The invention provides a harvesting device suitable for split-flow harvesting of ear stems in a simplified highland barley cultivation technology, and aims to solve the problem that the height above the ground cannot be adjusted according to the change of the terrain when the terrain of a cutter head is higher.

The invention provides a harvesting device suitable for split harvesting of ear stems by a simplified highland barley cultivation technology, which comprises the following steps:

the cutter head is positioned below the machine head;

the sleeve body is fixed at the central position of the lower end of the cutter head, the open end of the sleeve body is arranged downwards, a probe rod is connected in the sleeve body through a first pressure spring, a first pressure sensor is arranged between the first pressure spring and the inner bottom wall of the sleeve body and used for detecting the pressing force of the first pressure spring on the inner bottom wall of the sleeve body, and the first pressure spring is movably connected with the probe rod;

the mounting cavity is formed in the machine head and is positioned right above the cutter head, the mounting cavity is internally connected with the motor through a second pressure spring, the lower end of the second pressure spring is fixedly connected with the motor, a second pressure sensor is arranged between the second pressure spring and the upper cavity wall of the mounting cavity and is used for detecting the pressing force of the second pressure spring on the upper cavity wall of the mounting cavity;

the driving assembly is connected to the motor so as to enable the motor to vertically move along the cavity wall of the installation cavity;

the microprocessor is in signal connection with the first pressure sensor, the second pressure sensor and the driving assembly respectively, when the pressing force of the inner bottom wall of the sleeve body, detected by the first pressure sensor, is greater than a threshold value, the microprocessor controls the driving assembly to drive the motor to move upwards along the cavity wall of the installation cavity, and when the difference value between the pressing force of the upper cavity wall of the installation cavity, detected by the second pressure sensor, and the pressing force of the inner bottom wall of the sleeve body is smaller than a preset value, the microprocessor controls the driving assembly to stop driving;

and the power supply is electrically connected with the driving assembly and the microprocessor respectively.

Optionally, a telescopic rod is arranged in the installation cavity, the upper end of the telescopic rod is fixedly connected with the upper cavity wall of the installation cavity, the lower end of the telescopic rod is fixedly connected with the upper end of the motor, and the second pressure spring is sleeved on the periphery of the telescopic rod.

Optionally, the number of the two telescopic rods is two, and the two telescopic rods are symmetrically arranged in the second pressure spring by taking the central axis of the second pressure spring as a center.

Optionally, a vertical first sliding groove is formed in the wall of the mounting cavity, a sliding block is arranged on the outer peripheral wall of the motor, the sliding block is in sliding fit with the first sliding groove, and the driving assembly is connected to the sliding block to drive the sliding block to slide up and down along the first sliding groove.

Optionally, the number of the first sliding grooves is two, and the first sliding grooves are symmetrically arranged on two sides of the motor.

Optionally, an annular second chute is formed in the inner side wall of the sleeve body, a limiting plate is arranged on the outer wall of the probe rod, and the limiting plate is in sliding fit with the second chute.

Optionally, a ball is arranged between the limiting plate and the groove wall of the second chute, and the ball is partially embedded into the limiting plate.

Optionally, the lower end of the probe rod is of an arc structure protruding towards the ground.

Compared with the prior art, the invention has the beneficial effects that: the sleeve body arranged at the center of the lower end of the cutter head rotates at a high speed to cut the root of highland barley, the sleeve body rotates at a high speed, the first pressure spring ensures that the lower end of the probe rod is in the longest extension length when the lower end of the probe rod is not stressed, at the moment, the lower end of the probe rod is not contacted with the ground, and the probe rod and the first pressure spring are not fixed, so that the probe rod cannot rotate along with the sleeve body in the high-speed rotation process of the sleeve body, because the rotation speed of the sleeve body is too high, the displacement change of the force around the probe rod is too high, the probe rod reaches a state similar to stress balance, the rotation of the probe rod on the ground can be avoided, when the ground potential is higher, the bottom of the probe rod is contacted with the ground to provide an upward acting force for the probe rod, the first pressure spring contracts to extrude the inner bottom wall of the sleeve body, the higher the ground potential is, the pressing force of the first pressure spring on the inner bottom wall of the sleeve body is higher, the first pressure sensor detects the pressing force received by the inner bottom wall of the sleeve body and transmits the value to the microprocessor, when the pressing force is greater than a threshold value, the cutter head is about to contact the ground, the microprocessor controls the driving assembly to drive the motor to move upwards, the motor drives the cutter head to move upwards, the pressure on the second pressure spring is gradually increased in the process of moving upwards of the motor, the pressing force of the second pressure spring on the upper cavity wall of the mounting cavity is gradually increased, when the difference value between the pressing force of the upper cavity wall of the mounting cavity detected by the second pressure sensor and the pressing force of the inner bottom wall of the sleeve body is smaller than a preset value, the microprocessor controls the driving assembly to stop driving, the cutter head does not move upwards, the distance between the cutter head and the ground is equal to the distance between the cutter head and the ground when the cutter head is in flat ground, the condition that the cutter head is damaged due to soil cutting is avoided, and the condition that the cutter head cuts the root of the highland barley is relatively fixed is ensured, the ear stem reposition of redundant personnel of the later stage of being convenient for has guaranteed the efficiency of blade disc cutting highland barley root to guarantee ear stem reposition of redundant personnel efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a harvesting device suitable for split harvesting of ear-stem in simplified highland barley cultivation technology according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a glove body according to an embodiment of the present invention;

fig. 3 is an enlarged view of a portion of the structure at G in fig. 2.

Description of reference numerals:

10-a machine head, 20-a cutter head, 21-a motor, 30-a sleeve body, 31-a first pressure spring, 32-a probe rod, 33-a first pressure sensor, 34-a second sliding groove, 35-a limiting plate, 36-a ball, 37-an arc structure, 40-an installation cavity, 41-a second pressure spring, 42-a second pressure sensor, 43-a telescopic rod and 44-a first sliding groove.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, the harvesting device for split-flow harvesting of ear-stem suitable for simplified highland barley cultivation technology provided by the embodiment of the present invention includes: the device comprises a machine head 10, a cutter head 20, a motor 21 for driving the cutter head 20 to rotate, a sleeve body 30, an installation cavity 40, a driving assembly, a microprocessor and a power supply, wherein the cutter head 20 is positioned below the machine head 10, the sleeve body 30 is fixed at the central position of the lower end of the cutter head 20, the open end of the sleeve body 30 is arranged downwards, a probe 32 is connected in the sleeve body 30 through a first pressure spring 31, a first pressure sensor 33 is arranged between the first pressure spring 31 and the inner bottom wall of the sleeve body 30, the first pressure sensor 33 is used for detecting the pressing force of the first pressure spring 31 on the inner bottom wall of the sleeve body 30, the first pressure spring 31 is movably connected with the probe 32, the installation cavity 40 is formed in the machine head 10, the installation cavity 40 is positioned right above the cutter head 20, the installation cavity 40 is connected with the motor 21 through a second pressure spring 41, the lower end of the second pressure spring 41 is fixedly connected with the motor 21, and a second pressure sensor 42 is arranged between the second pressure spring 41 and the upper cavity wall of the installation cavity 40, the second pressure sensor 42 is used for detecting pressing force of the second pressure spring 41 on the upper cavity wall of the installation cavity 40, the driving assembly is connected to the motor 21 so that the motor 21 can vertically move along the cavity wall of the installation cavity 40, the microprocessor is respectively in signal connection with the first pressure sensor 33, the second pressure sensor 42 and the driving assembly, when the pressing force of the inner bottom wall of the sleeve body 30 detected by the first pressure sensor 33 is larger than a threshold value, the microprocessor controls the driving assembly to drive the motor 21 to move upwards along the cavity wall of the installation cavity 40, when a difference value between the pressing force of the upper cavity wall of the installation cavity 40 detected by the second pressure sensor 42 and the pressing force of the inner bottom wall of the sleeve body 30 is smaller than a preset value, the microprocessor controls the driving assembly to stop driving, and the power supply is respectively electrically connected with the driving assembly and the microprocessor.

The sleeve body arranged at the center of the lower end of the cutter head rotates at a high speed to cut the root of highland barley, the sleeve body rotates at a high speed, the first pressure spring ensures that the lower end of the probe rod is in the longest extension length when the lower end of the probe rod is not stressed, at the moment, the lower end of the probe rod is not contacted with the ground, and the probe rod and the first pressure spring are not fixed, so that the probe rod cannot rotate along with the sleeve body in the high-speed rotation process of the sleeve body, because the rotation speed of the sleeve body is too high, the displacement change of the force around the probe rod is too high, the probe rod reaches a state similar to stress balance, the rotation of the probe rod on the ground can be avoided, when the ground potential is higher, the bottom of the probe rod is contacted with the ground to provide an upward acting force for the probe rod, the first pressure spring contracts to extrude the inner bottom wall of the sleeve body, the higher the ground potential is, the pressing force of the first pressure spring on the inner bottom wall of the sleeve body is higher, the first pressure sensor detects the pressing force received by the inner bottom wall of the sleeve body and transmits the value to the microprocessor, when the pressing force is greater than a threshold value, the cutter head is about to contact the ground, the microprocessor controls the driving assembly to drive the motor to move upwards, the motor drives the cutter head to move upwards, the pressure on the second pressure spring is gradually increased in the process of moving upwards of the motor, the pressing force of the second pressure spring on the upper cavity wall of the mounting cavity is gradually increased, when the difference value between the pressing force of the upper cavity wall of the mounting cavity detected by the second pressure sensor and the pressing force of the inner bottom wall of the sleeve body is smaller than a preset value, the microprocessor controls the driving assembly to stop driving, the cutter head does not move upwards, the distance between the cutter head and the ground is equal to the distance between the cutter head and the ground when the cutter head is in flat ground, the condition that the cutter head is damaged due to soil cutting is avoided, and the condition that the cutter head cuts the root of the highland barley is relatively fixed is ensured, the ear stem reposition of redundant personnel of the later stage of being convenient for has guaranteed the efficiency of blade disc cutting highland barley root to guarantee ear stem reposition of redundant personnel efficiency.

Because the motor 21 has a certain weight, it is at the in-process that moves up and down, the unstability situation appears easily to the pressure to second pressure spring 41 is not even enough, leads to second pressure spring 41 to warp evenly inadequately, consequently, is provided with the telescopic link 43 in the installation cavity 40 in this embodiment, and the upper end of telescopic link 43 links firmly with the upper chamber wall of installation cavity 40, and the lower extreme of telescopic link 43 links firmly with the upper end of motor 21, and second pressure spring 41 cup joints in the periphery of telescopic link 43.

The telescopic rod 43 extends or shortens along with the up-and-down movement of the motor 21, and because the telescopic rod 43 is fixed in position, the lower end of the telescopic rod is fixedly connected with the upper end of the motor 21, so that the motor 21 is guided, the motor 21 integrally and stably moves in the vertical direction, uniform pressure is formed on the second pressure spring 41, uniform and stable deformation of the second pressure spring 41 is further ensured, and the stability of pressing force of the second pressure spring 41 on the upper cavity wall of the installation cavity 40 is ensured.

Specifically, two telescopic rods 43 are provided, the two telescopic rods 43 are symmetrically arranged in the second pressure spring 41 by taking the central axis of the second pressure spring 41 as a center, the symmetrically arranged telescopic rods 43 can not only form a guiding effect on the motor 21, but also form a certain supporting and limiting effect on the second pressure spring 41, and further guarantee the stability of the pressing force of the second pressure spring 41 on the upper cavity wall of the installation cavity 40.

Optionally, a vertical first sliding groove 44 is formed in the cavity wall of the installation cavity 40, a sliding block 22 is arranged on the outer peripheral wall of the motor 21, the sliding block 22 is in sliding fit with the first sliding groove 44, and the driving assembly is connected to the sliding block 22 to drive the sliding block 22 to slide up and down along the first sliding groove 44.

Optionally, there are two first sliding chutes 44 symmetrically disposed on two sides of the motor 21, so as to ensure stable movement of the motor 21.

Referring to fig. 2, the inside wall of the sheath body 30 has an annular second sliding groove 34, the outer wall of the probe 32 has a limiting plate 35, the limiting plate 35 is in sliding fit with the second sliding groove 34, and the limiting plate 35 can ensure that the probe 32 cannot fall off from the sheath body 30.

Referring to fig. 3, a ball 36 is disposed between the limit plate 35 and the groove wall of the second chute 34, the ball 36 is partially embedded in the limit plate 35, and the ball 36 converts static friction between the limit plate 35 and the groove wall of the second chute 34 into rolling friction, so as to reduce friction force, thereby avoiding the problem that the probe rod 32 is stuck into the soil due to too large upward friction force.

Optionally, the lower end of the probe rod 32 is an arc structure 37 protruding to the ground, so that the probe rod 32 is point contact when the ground contacts, the contact area is reduced, the friction is reduced, and the probe rod is further prevented from being stuck in the soil.

The use method and the working principle are as follows: when the terrain is high, the bottom of the probe rod 32 contacts the ground to provide an upward acting force to the probe rod 32, so that the first pressure spring 31 contracts to extrude the inner bottom wall of the sleeve body 30, the higher the terrain is, the higher the pressing force of the first pressure spring 31 on the inner bottom wall of the sleeve body 30 is, the first pressure sensor 33 detects the pressing force received by the inner bottom wall of the sleeve body 30 and transmits the value to the microprocessor, when the pressing force is greater than a threshold value, the cutter head 20 is about to contact the ground, the microprocessor controls the driving assembly to drive the motor 21 to move upwards, the motor 21 drives the cutter head 20 to move upwards, in the process that the motor 21 moves upwards, the pressure applied to the second pressure spring 41 is gradually increased, the pressing force applied to the upper cavity wall of the installation cavity 40 by the second pressure spring 41 is gradually increased, and when the difference value between the pressing force detected by the second pressure sensor 42 and the pressing force of the upper cavity wall of the installation cavity 40 and the inner bottom wall of the sleeve body 30 is smaller than a preset value When the value is reached (because the force can be offset by the gravitational potential energy of other components such as the motor 21 in the upward transmission process, therefore, the force transmitted to the second pressure spring 41 can be reduced), the microprocessor controls the driving component to stop driving, then the cutter head 20 does not move upwards, the distance between the cutter head 20 and the ground is equal to the distance between the cutter head 20 and the ground when the cutter head is in the flat ground, thus, the condition that the cutter head 20 cuts soil and damages a cutter blade is avoided, meanwhile, the position of the cutter head 20 for cutting the root of the highland barley is ensured to be fixed, the scion stem at the later stage is convenient to shunt, the efficiency of the cutter head 20 for cutting the root of the highland barley is ensured, and therefore, the scion stem shunting efficiency is ensured.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.