CN114402710B - Vibration subsoiling device capable of adjusting exciting force - Google Patents
Vibration subsoiling device capable of adjusting exciting force Download PDFInfo
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- CN114402710B CN114402710B CN202111587145.2A CN202111587145A CN114402710B CN 114402710 B CN114402710 B CN 114402710B CN 202111587145 A CN202111587145 A CN 202111587145A CN 114402710 B CN114402710 B CN 114402710B
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- 230000009467 reduction Effects 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims description 29
- 239000000725 suspension Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000013016 damping Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003971 tillage Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B11/00—Ploughs with oscillating, digging or piercing tools driven or not
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B13/00—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
- A01B13/08—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation for working subsoil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B15/00—Elements, tools, or details of ploughs
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a vibration subsoiling device capable of adjusting exciting force, which comprises a subsoiling component, two vibration components, a vibration reduction component, an inner connecting seat and an outer connecting seat, wherein the subsoiling component comprises a subsoiling shovel handle and a subsoiling shovel tip fixed on the subsoiling shovel handle, the subsoiling shovel handle is fixed at the lower part of the front end of the inner connecting seat, the vibration component comprises a worm and gear rotary platform, an adjustable eccentric block and a double-output-shaft motor, the inner side of the worm and gear rotary platform is fixed at two sides of the inner connecting seat, the positions of the worm and gear rotary platform are symmetrical relative to the installation plane of the subsoiling shovel, the double-output-shaft motor is fixedly connected to the outer side of the worm and gear rotary platform, the adjustable eccentric blocks are arranged on motor shafts at two ends of the worm and the outer connecting seat is connected to the inner connecting seat through a rubber vibration absorber. According to the invention, the exciting force borne by the subsoiler can be regulated according to the operation conditions, so that the resistance of subsoiling operation is reduced, the operation energy consumption is reduced, and the applicability and stability of subsoiling operation are improved.
Description
Technical Field
The invention belongs to the field of agricultural mechanical equipment, and particularly relates to a vibration subsoiler with adjustable exciting force, a subsoiler with the vibration subsoiler, a subsoiler system with the subsoiler and a use method of the subsoiler.
Background
The protective cultivation technology is a sustainable agricultural technology which is explored and researched for a long time at home and abroad, wherein deep scarification is one of key technologies of the protective cultivation technology. The subsoiling technique is a deep ploughing method for loosening soil without turning soil layers by using subsoiling equipment, can break plow layers, white slurry layers or clay layers, deepen ploughing layers and curing subsoil, is beneficial to deep pricking of crop root systems, can enable the soil to achieve the effect of loosening without turning soil, has small movable soil quantity, can enable aftercrop to fully utilize the nutrients of the original ploughing layers, keeps microorganism systems, lightens the inhibition of lower anaerobic microorganisms, enhances the water storage and soil moisture conservation and drought resistance and waterlogging resistance of the soil, and is an important means for improving the crop yield.
Along with the development and popularization of deep scarification technology in China, various problems are exposed, deep scarification operation aims at destroying a plough bottom layer, the operation depth is large, the received deep scarification resistance is large, and therefore, a traction machine with large horsepower is required for traction operation, further the operation energy consumption is further increased, and the defects of large operation resistance and energy consumption do not accord with the development concept of energy conservation and emission reduction in China.
In the prior art, vibration is utilized to reduce the drag of the subsoiler to obtain good effect, and the self-excited vibration subsoiler is divided into self-excited type and forced type from the working principle, and the self-excited vibration subsoiler mainly utilizes an elastic element to enable the subsoiler to generate self-excited vibration during operation, so that the disadvantage is that the drag reduction effect is unstable and the working stability is poor; forced vibration subsoiling drag reduction is achieved by connecting a power output device of traction equipment with a crankshaft connecting rod and other devices to generate vibration with fixed frequency and amplitude, the drag reduction effect is obvious, but the total power consumed by a driving part in the working process is increased, and the generated mechanical vibration can influence the stability of the structure and the comfort of operators.
Disclosure of Invention
The invention aims to provide a vibration subsoiling device capable of adjusting exciting force and adapting to different soil and operation conditions, which can reduce subsoiling resistance, reduce operation energy consumption and improve applicability and stability of subsoiling operation.
The aim of the invention is realized by the following technical scheme:
the vibration subsoiler with adjustable exciting force comprises a subsoiler component 1, two vibration components 2, a vibration reduction component 3, an internal connection seat 4 and an external connection seat 5, wherein the subsoiler component 1 comprises a subsoiler handle 12 and a subsoiler tip 11 fixed on the subsoiler handle 12, the subsoiler handle 12 is fixed at the lower part of the front end of the internal connection seat 4, the vibration components 2 comprise a worm and gear rotary platform 23, a rotary motor 24, an adjustable eccentric block 22, a counterweight motor 25 and a double-output-shaft motor 21, the vibration components 2 are fixedly connected at two sides of the internal connection seat 4, the positions of the vibration components are symmetrical relative to a plane B where the subsoiler handle is located, the double-output-shaft motor 21 is fixedly connected at the outer side of the worm and gear rotary platform 23, the adjustable eccentric block 22 and the counterweight motor 35 are arranged on motor shafts at two ends of the double-output-shaft motor 21, and the external connection seat 5 is connected on the internal connection seat 4 through a rubber vibration absorber 32; the worm wheel and worm rotary platform 23 comprises a rotary motor 24, a worm connected with the rotary motor 24 and a worm wheel in transmission connection with the worm, wherein the worm wheel and the worm are positioned in a shell, a worm wheel shaft is fixedly connected to the inner wall of the shell, the shell is fixedly connected to the inner connecting seat 4, and the double-output shaft motor 21 is fixedly connected to the worm wheel; the adjustable eccentric block 22 and the counterweight motor 25 are arranged on a motor shaft of the double-output shaft motor 21 through a connecting plate, the tail end of the adjustable eccentric block is provided with a worm wheel, and the counterweight motor 25 changes the relative position of the adjustable eccentric block 22 through a driving worm.
As a better technical scheme of the vibration subsoiling device, the vibration damping assembly 3 comprises rubber vibration dampers 32 and rubber vibration damping seats 31, wherein the rubber vibration dampers 32 are symmetrically arranged on two sides of the inner connecting seat 4 by taking a plane B as a symmetry plane, and the rubber vibration dampers 32 are arranged in two rows in the horizontal direction by taking a single side as an example, and the number of the first row is more than that of the second row. The purpose of this arrangement is to provide a fixed support for the inner connector 4 and all components secured to the inner connector 4 during operation of the device, while the second row of rubber dampers 32 is also capable of withstanding the bending moment generated by the deep scarification of the components 1 on the inner connector 4. The rubber damper 32 is used as a first-stage damper of the subsoiler, and can reduce the transmission of exciting force generated by the vibration assembly to the frame and absorb redundant vibration.
As a better technical scheme of the vibration subsoiler, the front end of the inner connecting seat 4 is provided with a U-shaped groove, and the subsoiler handle 12 is arranged in the U-shaped groove of the inner connecting seat 4.
Still another object of the present invention is to provide a subsoiler, which includes a frame 7 and a plurality of subsoilers according to any one of the above-mentioned items, wherein the subsoilers are sequentially installed at intervals along a length direction of the frame 7, and the outer connection base 5 is connected to the frame 7 through a fixing member 6.
As a better technical scheme of the subsoiler, rubber vibration reduction seats 31 are arranged between the outer connecting seat 5 and the fixing piece 6 and at the connecting positions of the fixing piece 6 and the frame 7.
It is still another object of the present invention to provide a subsoiler system, which includes a soil moisture content sensor, a soil firmness sensor, a cultivation resistance sensor, an acceleration sensor, a controller, a subsoiler and a tractor, wherein the frame 7 is connected with a hydraulic suspension of the tractor through three hanging points, and the hydraulic suspension device, the double output shaft motor 21, the rotary motor 24 and the counterweight motor 25 are in control connection with the controller.
The invention also aims to provide a using method of the subsoiling system, and the vibration assembly adjusts exciting force in real time through the controller during operation, and the using method comprises the following steps:
during operation, the relevant parameters such as the moisture content, the firmness, the tillage resistance of the subsoiling shovel tip and the shovel handle, the vibration acceleration and the operation speed of the soil to be subsoiled before the subsoiling device are monitored in real time.
And then the controller receives the parameters and calculates the optimal vibration parameters under the soil condition and the cultivation speed, and simultaneously calculates the vibration frequency, the vibration amplitude and the magnitude and the direction of the exciting force of the vibration component.
And then the frequency of the exciting force is regulated by regulating the double-output-shaft motor 21 through the controller, the size and the amplitude of the exciting force are changed by regulating the counterweight motor 25, the direction of the exciting force on the plane B is changed by regulating the rotary motor, and finally the actual vibration parameters and the optimal vibration parameters of the vibration assembly are matched, so that the real-time regulation of the exciting force along with the change of the soil condition is realized.
The deep scarification device provided by the invention has the beneficial effects that:
1. the device realizes the control of the magnitude, frequency, amplitude and direction of exciting force, improves the deep scarification and soil crushing operation effect, reduces the operation resistance born by the operation process, and is suitable for the soil condition with different operation time differences.
2. The adjustable eccentric block enables the vibration exciting force amplitude to be adjusted steplessly from the minimum value to the maximum value, the vibration starting process is in smooth transition, meanwhile, the vibration absorbing assemblies which are arranged in multiple stages can reduce the transmission of the vibration exciting force generated by the vibration assembly to the frame, absorb redundant vibration, enable the vibration exciting force to act on the subsoiling assembly more, and improve the stability of the traction machine structure of the device and the comfort of operators.
3. The vibration component does not drive and run through a power output device of traction equipment such as a tractor, so that the consumption of energy sources is effectively reduced, and the energy consumption of the device can be reduced while the operation resistance is reduced.
Drawings
FIG. 1 is a schematic structural view of a subsoiler;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of a vibration assembly of the subsoiler;
FIG. 5 is a schematic diagram of a subsoiler;
fig. 6 is a flow chart of the device for adjusting the exciting force in real time.
Wherein: 1-subsoiling component; 2-a vibration assembly; 3-a vibration damping assembly; 4-connecting seats; 5-an outer connecting seat; 6-fixing blocks; 7-a frame; 11-deep scarification cutting edge; 12-deep loosening a shovel handle; 13-a safety pin; 14-bolts; 21-a double output shaft motor; 22-an adjustable eccentric block; 23-a worm and gear rotary platform; 24-rotating electric machine; 25-counterweight motor; 31-a rubber vibration reduction seat; 32-rubber vibration damper.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the invention.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
In the description of the present specification, the worm wheel shaft is parallel to the frame 7, the two worm wheel shafts are located on the same straight line parallel to the frame 7, motor shafts of the two double-output shaft motors 21 are perpendicular to the worm wheel, the plane B is a plane where the subsoiler handle is located, the subsoiler is symmetrical relative to the plane B, and the plane B is perpendicular to the horizontal plane where the ground is located.
In describing embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the term "front end" is based on the orientation or positional relationship shown in fig. 1-3, and is merely for convenience in describing embodiments of the present invention and simplifying the description, rather than indicating or implying that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting embodiments of the present invention.
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a vibration subsoiler with adjustable exciting force comprises a subsoiler 1, two vibration components 2, a vibration reduction component 3, an inner connecting seat 4 and an outer connecting seat 5, wherein the subsoiler 1 comprises a subsoiler handle 12 and a subsoiler tip 11 fixed on the subsoiler handle 12, the subsoiler handle 12 is fixed at the lower part of the front end of the inner connecting seat 4, the vibration components 2 comprise a worm and gear rotary platform 23, a rotary motor 24, an adjustable eccentric block 22, a counterweight motor 25 and a double-output-shaft motor 21, the vibration components 2 are fixedly connected to two sides of the inner connecting seat 4, and are symmetrical relative to a plane B where the subsoiler handle is located, the double-output-shaft motor 21 is fixedly connected to the outer side of the worm and gear rotary platform 23, the adjustable eccentric block 22 and the counterweight motor 25 are mounted on a motor shaft of the double-output-shaft motor 21, and the outer connecting seat 5 is connected to the inner connecting seat 4 through a rubber vibration absorber 32.
In some embodiments, the worm wheel and worm rotary platform 23 includes a rotary motor 24, a worm connected with the rotary motor 24, and a worm wheel connected with the worm in a transmission manner, the worm wheel and the worm are located in a housing, a worm wheel shaft is fixedly connected on an inner wall of the housing, the housing is fixedly connected on the inner connecting seat 4, and the dual output shaft motor 21 is fixedly connected on the worm wheel.
As shown in fig. 1 and 4, the device is provided with two groups of vibration components 2 which are symmetrically arranged at two sides of the inner connecting seat 4 and consist of a worm and gear rotary platform 23, a rotary motor 24, a double output shaft motor 21, an adjustable eccentric block 22 and a counterweight motor 25; the worm wheel and worm rotary platform 23 is arranged on the inner connecting seat 4 through bolts on the outer side, the rotary motor 24 drives the worm to rotate, the worm wheel is driven to rotate so as to control the rotary motion of the platform, the double-output-shaft motor 21 is fixed on the worm wheel and worm rotary platform 23 through bolts on the bottom, the adjustable eccentric block 22 and the counterweight motor 25 are symmetrically arranged on motor shafts at two ends of the double-output-shaft motor 21, and the vibration assembly enables the adjustable eccentric block 22 to rotate under the control of the controller through the double-output-shaft motor 21 and the counterweight motor 25 so as to generate exciting force with matched size, amplitude, frequency and direction.
In some embodiments, as shown in fig. 1 and 3, the subsoiler assembly 1 is composed of a subsoiler tip 11, a subsoiler handle 12, a safety pin 13 and a bolt 14, wherein the subsoiler tip 11 is arranged at the bottom end of the subsoiler handle 12, the subsoiler handle 12 is fixed with the internal connection seat 4 through the safety pin 13 and the bolt 14, and when stones are encountered or resistance force applied by the subsoiler during field operation exceeds a set requirement, the safety pin 13 can ensure the safety of the subsoiler and the device through fracture of the subsoiler.
In some embodiments, the front end of the inner connecting seat 4 has a U-shaped groove, and the deep loosening shovel handle 12 is installed in the U-shaped groove of the inner connecting seat 4.
The invention also provides a subsoiler, which comprises a frame 7 and a plurality of subsoilers, wherein the subsoilers are sequentially arranged at intervals along the length direction of the frame 7, and the outer connecting seat 5 is connected to the frame 7 through a fixing piece 6.
In some embodiments, as shown in fig. 2 and 3, the vibration damping assembly 3 includes a rubber vibration damping mount 31, a rubber vibration damper 32; rubber vibration reduction seats 31 are arranged between the outer connecting seat 5 and the fixing piece 6 and at the connecting positions of the fixing piece 6 and the frame 7. The rubber vibration damping seat 31 is respectively arranged between the frame 7 and the outer connecting seat 5, between the frame 7 and the two fixed blocks 6, and is used for avoiding rigid connection between the frame 7 and the connecting seat and between the frame 7 and the fixed blocks 6, and is used as a secondary vibration damping part of the device for absorbing vibration, so that the transmission of the vibration generated by the device to the frame 7 is weakened. The rubber vibration dampers 32 are arranged on two sides of the inner connecting seat 4 by taking a plane B as a symmetrical plane, and taking a single side as an example, the cross section of the rubber vibration dampers 32 is circular, as shown in an arrangement mode in fig. 3, the rubber vibration dampers 32 are arranged in two rows in the horizontal direction, and the number of the first row is more than that of the second row. The device comprises an inner connecting seat 4, an outer connecting seat 5, a middle connecting seat and a rubber shock absorber 32, wherein the upper part of the inner connecting seat 4 is provided with 2, the middle part and the lower part are respectively provided with 1, the two symmetrical arrangement sides of the inner connecting seat 4 are fixed with the outer connecting seat 5 through bolts, the rubber shock absorber 32 arranged in the mode enables the inner connecting seat 4 and the outer connecting seat 5 to be flexibly connected, and the rubber shock absorber 32 can provide a fixed supporting effect for the inner connecting seat 4 and components fixed on the inner connecting seat 4 when the device is used for absorbing redundant vibration, and the rubber shock absorber 32 of the second row can bear bending moment generated on the inner connecting seat 4 by the deep loosening components 1. The rubber damper 32 is used as a first-stage damper of the subsoiler, and can reduce the transmission of exciting force generated by the vibration assembly to the frame and absorb redundant vibration.
It is still another object of the present invention to provide a subsoiler system, which includes a soil moisture content sensor, a soil firmness sensor, a cultivation resistance sensor, an acceleration sensor, a controller, a subsoiler and a tractor, wherein the frame 7 is connected with a hydraulic suspension of the tractor through three hanging points, and the hydraulic suspension device, the double output shaft motor 21, the rotary motor 24 and the counterweight motor 25 are in control connection with the controller.
The invention also provides a using method of the subsoiling system, which comprises the following steps of: during operation, the system monitors the relative parameters such as the moisture content, the firmness, the tillage resistance of the subsoiling shovel tip and the shovel handle, the vibration acceleration, the operation speed and the like of the soil to be subsoiled in front of the subsoiling device in real time; then the controller receives the parameters and calculates the optimal vibration parameters under the soil condition and the cultivation speed, and simultaneously calculates the vibration frequency, the vibration amplitude and the magnitude and the direction of the exciting force of the vibration component; and then the frequency of the exciting force is regulated by regulating the double-output-shaft motor 21 through the controller, the size and the amplitude of the exciting force are changed by regulating the counterweight motor 25, the direction of the exciting force on the plane B is changed by regulating the rotary motor, and finally the actual vibration parameters and the optimal vibration parameters of the vibration assembly are matched, so that the real-time regulation of the exciting force along with the change of the soil condition is realized.
The principle and mode of the device for adjusting the exciting force are as follows:
as shown in fig. 5, the vibration components 2 are symmetrically arranged at two sides of the device, the adjustable eccentric blocks 22 are installed on motor shafts at two ends of the double-output shaft motor 21, deflection angles are consistent, the left and right double-output shaft motors 21 rotate at the same speed but in opposite directions, the change between exciting force and zero exciting force generated by a single motor is realized, and the magnitude, amplitude, vibration frequency and vibration direction of the exciting force can be adjusted by simultaneously adjusting the rotating speeds of the double-output shaft motors 21 at two sides and the counterweight motor 22 when the component operates. During operation, the double output shaft motors 21 on the left and right sides of the inner connecting seat 4 rotate in the same rotation speed n in the direction a and the direction B respectively, the direction a and the direction B rotate in opposite directions, the initial phase is the same, the phase difference is always pi, and due to the fact that the adjustable eccentric blocks 22 are installed at the mirror images of the two ends of the double output shaft motors 21, under the rotation of the double output shaft motors 21, centrifugal force generated by the rotation of the adjustable eccentric blocks 22 on the left and right sides is synthesized into periodically changed exciting force in the direction e and f, and the directions e and f are located on the plane B where the deep scarification shovel handle is located.
The tail end of the adjustable eccentric block 22 is fixedly provided with a worm wheel, and the worm is driven to rotate by adjusting the counterweight motor 25 to change the equivalent eccentric quantity r of the two eccentric blocks, so that stepless adjustment of the amplitude of exciting force from zero to the maximum value is realized; the frequency f=n/60 of the exciting force is changed by changing the rotation speed of the double output shaft motor 21; the double output shaft motor 21 is arranged on the worm and gear rotary platform 23, the relative positions of the double output shaft motors 21 at two sides of the inner connecting seat 4 are kept consistent, and the worm and gear rotary platform 23 drives the double output shaft motor 21 to rotate at the same time by a certain angle through driving the double output shaft rotary motors 24, so that the direction of exciting force is regulated on the plane B where the subsoiling shovel handle is located.
The deep scarification device is sequentially installed at intervals along the length direction of the frame 7 before deep scarification operation, the outer connecting seat 5 is connected to the frame 7 through the fixing piece 6, the suspension device of the tractor is electrically connected with the controller, and the rubber vibration reduction seat 31 is arranged between the outer connecting seat 5 and the fixing piece 6 and at the joint of the fixing piece 6 and the frame 7.
It should be noted that the hydraulic suspension device of the tractor is an existing component, and the specific structure and principle thereof will not be described herein.
Parameters influencing the traction resistance and the power consumption of the subsoiler include the forward speed, the cultivation depth, the subsoiler vibration mode, the subsoiler structural form, the soil physical characteristics and the like, and in order to determine the degree of reducing the traction resistance by the directional adjustable vibration and the non-directional vibration of the subsoiler, the vibration mode is taken as a main factor, the traction resistance is taken as an evaluation index, and the groove width and the depth data of the directional adjustable vibration subsoiler and the non-directional vibration subsoiler after the non-directional vibration subsoiler operation in the prior art are shown in table 1.
TABLE 1
As can be seen from Table 1, the directional and adjustable vibration subsoiling and the non-directional vibration subsoiling have larger influence on the soil stacking height, the disturbance area and the ditch depth, and the soil surface disturbance range is small after the directional and adjustable vibration subsoiling operation, the tillage depth is stable, and the operation effect is better.
The soil volume mass pairs after the directional and adjustable vibration subsoiling and non-directional vibration subsoiling tests are shown in table 2.
TABLE 2
As can be seen from table 2, the vibration subsoiling with directional and adjustable exciting force is smaller in volume and mass compared with the non-directional vibration subsoiling after operation, thereby achieving the purpose of reducing soil compaction, being beneficial to the growth of crop root systems and improving the yield of crops.
The traction resistance value measured by the test is changed along with the time, the traction resistance of the directional adjustable vibration subsoiler is smaller than the traction resistance of the non-directional vibration subsoiler, and the reduction value of the same crop stubble and the harvest mode is about 10% through calculation.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any of various other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a vibration subsoiler of adjustable exciting force which characterized in that: the deep loosening assembly (1) comprises a deep loosening shovel handle (12) and a deep loosening shovel tip (11) fixed on the deep loosening shovel handle (12), the deep loosening shovel handle (12) is fixed at the lower part of the front end of the internal connection seat (4), the vibration assembly (2) comprises a worm and gear rotary platform (23), a rotary motor (24), an adjustable eccentric block (22), a counterweight motor (25) and a double-output-shaft motor (21), the vibration assembly (2) is fixedly connected to two sides of the internal connection seat (4), the positions of the vibration assembly are symmetrical relative to a plane B where the deep loosening shovel handle is located, the double-output-shaft motor (21) is fixedly connected to the outer side of the worm and gear rotary platform (23), motor shafts at two ends of the double-output-shaft motor (21) are provided with the adjustable eccentric block (22) and the counterweight motor (35), and the external connection seat (5) is connected to the adjustable internal connection seat (4) through a rubber vibration absorber (32); the worm and gear rotary platform (23) comprises a rotary motor (24), a worm connected with the rotary motor (24) and a worm wheel connected with the worm in a transmission way, wherein the worm wheel and the worm are positioned in a shell, a worm wheel shaft is fixedly connected to the inner wall of the shell, the shell is fixedly connected to an inner connecting seat (4), and the double-output shaft motor (21) is fixedly connected to the worm wheel; the adjustable eccentric block (22) and the counterweight motor (25) are arranged on the motor shaft of the double-output shaft motor (21) through a connecting plate, and the tail end of the adjustable eccentric block (22) is provided with a worm wheel and meshed with a worm connected with the counterweight motor (25).
2. The vibration subsoiling device with adjustable exciting force according to claim 1, wherein: the rubber vibration dampers (32) are symmetrically arranged on two sides of the inner connecting seat (4) by taking a plane B as a symmetry plane, and the rubber vibration dampers (32) are arranged in two rows in the horizontal direction by taking a single side as an example, and the number of the first row is more than that of the second row.
3. The vibration subsoiling device with adjustable exciting force according to claim 2, wherein: the lower end of the front end of the inner connecting seat (4) is provided with a U-shaped groove, and the deep loosening shovel handle (12) is arranged in the U-shaped groove at the lower end of the front end of the inner connecting seat (4).
4. A subsoiler, characterized in that: the device comprises a frame (7) and any vibration subsoiling device, wherein a plurality of subsoiling devices are sequentially installed at intervals along the length direction of the frame (7), and an outer connecting seat (5) is connected to the frame (7) through a fixing piece (6).
5. The subsoiler of claim 4, wherein: rubber vibration reduction seats (31) are respectively arranged between the outer connecting seat (5) and the fixing piece (6) and at the connecting positions of the fixing piece (6) and the frame (7).
6. A subsoiling system, characterized by: the soil moisture content sensor, the soil compactness sensor, the cultivation resistance sensor, the acceleration sensor, the controller, the subsoiler and the tractor according to claim 4, wherein the frame (7) is connected with a hydraulic suspension device of the tractor through three hanging points, and the hydraulic suspension device, the double-output shaft motor (21), the rotary motor (24) and the counterweight motor (25) are in control connection with the controller.
7. Use of a subsoiling system according to claim 6, characterized in that it comprises the following steps:
step one, detecting relevant parameters of moisture content, firmness, cultivation resistance of a subsoiling shovel tip and a shovel handle, vibration acceleration of the device and operation speed of subsoiling soil through a real-time monitoring subsoiling device during operation;
step two, the controller receives the parameters and calculates the optimal vibration parameters under the soil condition and the cultivation speed, meanwhile, the vibration frequency, the amplitude and the magnitude and the direction of the exciting force of the device are calculated, and then the controller controls the adjustable vibration assembly to match the actual vibration parameters with the optimal vibration parameters;
step three, the controller changes the equivalent mass of the eccentric balancing weight by adjusting the balancing motor so as to change the magnitude and the amplitude of exciting force;
step four, the frequency of exciting force generated by a rotating speed regulating device of the double-output shaft motor is changed; the rotary motors of the vibration assemblies at the two sides are driven, so that the worm and gear rotary platform drives the double-output-shaft motor to rotate at the same time by a certain angle, and the direction of exciting force is regulated on a plane (B) where the deep scarification shovel handle is located.
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| CN114402710A (en) | 2022-04-29 |
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