CN112211949A - Novel electric mini-tiller vibration reduction structure for tea garden management and electric mini-tiller - Google Patents
Novel electric mini-tiller vibration reduction structure for tea garden management and electric mini-tiller Download PDFInfo
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- CN112211949A CN112211949A CN202011134603.2A CN202011134603A CN112211949A CN 112211949 A CN112211949 A CN 112211949A CN 202011134603 A CN202011134603 A CN 202011134603A CN 112211949 A CN112211949 A CN 112211949A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/16—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with special additional arrangements
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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
- A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/04—Frequency effects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/18—Control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Environmental Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Soil Sciences (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a novel vibration reduction structure of an electric mini-tiller for tea garden management, which comprises a support frame, a handrail frame and a handle, wherein one end of the support frame is connected with a body of the electric mini-tiller, the other end of the support frame is connected with one end of the handrail frame, the handle is arranged at the other end of the handrail frame, an electromagnetic vibration absorber is arranged on the support frame, and the vibration excitation frequency of the electromagnetic vibration absorber is adjustable. The invention also discloses an electric mini-tiller for managing the novel tea garden with the vibration reduction structure. Compared with the prior art, the damping effect of the vibration of the electric mini-tiller can be achieved through the damping effect of the electromagnetic vibration absorber on the vibration of the electric mini-tiller in the working process of the electric mini-tiller, and the purpose of guaranteeing the occupational health of tea garden workers is achieved.
Description
Technical Field
The invention relates to the technical field of agricultural tools, in particular to a novel vibration reduction structure of an electric mini-tiller for tea garden management and the electric mini-tiller.
Background
The severe vibration of the mini-tiller can cause great damage to the hands, arms and trunk of an operator, if the vibration time is too long in work, the symptoms such as numb sensation, nausea and dizziness of the hands and the arms can be caused, diseases such as leukoderma, polyneuritis and stomach illness can be caused in serious cases, and great physical injury and psychological fear are caused to the operator. In the tea garden, steep slope step tea garden is mostly two-row strip planting, and mechanized production degree is only 4%, and artifical intensity of labour is very big, consequently needs to use the machine of ploughing a little more to it is more serious for farmland staff to lead to the tea garden staff to receive the harmful effects of ploughing a little the machine vibration. The largest vibration is caused by the piston movement of the internal combustion engine and the interaction between the knife roller and the ground during cultivation, and the method of using the electric motor instead of the internal combustion engine as a power source is relatively simple. Although the operation comfort of the electric mini-tiller is greatly improved compared with that of an internal combustion engine mini-tiller, the weighted vibration acceleration value is still large in 8 hours, and hand muscles can be damaged in long-term operation.
Therefore, how to reduce the vibration of the mini-tiller and ensure the occupational health of workers in a tea garden becomes a problem which needs to be solved urgently by the workers in the field.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems actually solved by the invention are as follows: how to reduce the vibration of the mini-tiller and ensure the occupational health of workers in a tea garden.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a novel machine vibration damping structure is ploughed with electronic declining in management of tea garden, includes support frame, handrail frame and hand (hold), and support frame one end links to each other with the electronic machine body of ploughing a little, and the other end links to each other with the one end of handrail frame, installs the hand (hold) on the other end of handrail frame, installs the electromagnetic vibration absorber on the support frame, the excitation frequency of electromagnetic vibration absorber is adjustable.
Preferably, the electromagnetic vibration absorber comprises a shell, a battery, a connecting block, an electromagnet, a balancing weight, a spring and a control end with a data transmission function, wherein the battery is installed at one end in the shell; the battery is provided with an electromagnet towards the other end of the shell; the other end of the shell is provided with a connecting block; the counterweight block is made of a magnetic material, is arranged between the connecting block and the electromagnet and is connected with the connecting block through a spring, and can move back and forth between the connecting block and the electromagnet; the electromagnetic vibration absorber is fixedly arranged on the supporting frame through a connecting block.
Preferably, the electromagnetic vibration absorber is vertically mounted on the lower side of the support frame. .
Preferably, the handle is connected with the connecting part, the vibration damping part and the hand-held part which are sequentially connected from one end of the armrest frame to the free end, and the vibration damping part is a rubber tube.
Preferably, the handrail frame is connected with the supporting frame through the spring sleeve damper.
The utility model provides a novel machine is ploughed with electronic declining in tea garden management, includes foretell novel machine damping structure is ploughed with electronic declining in tea garden management.
Preferably, novel machine is ploughed with electronic declining in tea garden management is including the battery pack that is used for driving motor, and the position at fuselage front end upside is installed to the battery pack detachable.
Preferably, the electromagnetic vibration absorber comprises a shell, a battery, a connecting block, an electromagnet, a balancing weight, a spring and a control end with a data transmission function, wherein the battery is installed at one end in the shell; the battery is provided with an electromagnet towards the other end of the shell; the other end of the shell is provided with a connecting block; the counterweight block is made of a magnetic material, is arranged between the connecting block and the electromagnet and is connected with the connecting block through a spring, and can move back and forth between the connecting block and the electromagnet; the electromagnetic vibration absorber is fixedly arranged on the support frame through a connecting block; use novel tea garden management is with electronic machine of ploughing a little before, close the electromagnetic vibration absorber, will novel tea garden management is with electronic machine of ploughing a little at the target area and tries to plough, gathers the vibration information of electromagnetic vibration absorber installation department, sets up the operational parameter of the control end of electromagnetic vibration absorber based on vibration information to the magnetic force of electro-magnet when adjusting the electromagnetic vibration absorber operation, and then the difference that makes the excitation frequency of electromagnetic vibration absorber and support frame natural vibration frequency is less than the default.
In summary, compared with the prior art, the invention has the following advantages:
(1) the control end can be established to be connected with the computer in a wireless or wired (USB interface) mode. Before cultivation, a target land block needing cultivation is firstly subjected to trial cultivation, vibration information of the electric mini-tiller on the target land block is collected in a targeted mode, then operation parameters of the electromagnetic vibration absorber are adjusted by utilizing the vibration information, and the best vibration reduction effect is achieved.
(2) The structure of the electromagnetic vibration absorber, the handle with the vibration reduction part and the spring sleeve vibration absorber can be adopted to realize three-level vibration reduction, and the adverse effect of the electric mini-tiller on the body of a worker in the use process is reduced to the greatest extent.
(3) Adopt the detachable group battery, effectively improve duration to reasonable position that has set up the group battery, the staff of being convenient for quick replacement battery.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a novel electric mini-tiller for managing a tea garden, which is disclosed by the invention;
fig. 2 is a schematic structural diagram of an electromagnetic vibration absorber according to the present invention;
fig. 3 is a cross-sectional view of the electromagnetic vibration absorber of the present invention;
FIG. 4 is a schematic diagram of single degree of freedom forced vibration;
fig. 5 is an exploded view of a handle with a vibration damping portion according to the present invention.
Description of reference numerals: the hand-held type vibration absorber comprises a support frame 1, an armrest frame 2, a handlebar 3, a connecting part 301, a vibration damping part 302, a handheld part 303, an electromagnetic vibration absorber 4, a shell 401, a battery 402, a connecting block 403, an electromagnet 404, a balancing weight 405, a spring 406 and a battery pack 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the invention discloses a novel vibration reduction structure of an electric mini-tiller for tea garden management, which comprises a support frame 1, a handrail frame 2 and a handle 3, wherein one end of the support frame 1 is connected with the body of the electric mini-tiller, the other end of the support frame is connected with one end of the handrail frame 2, the handle 3 is installed at the other end of the handrail frame 2, an electromagnetic vibration absorber 4 is installed on the support frame 1, and the damping coefficient of the electromagnetic vibration absorber 4 (not shown) is variable.
In the invention, the electromagnetic vibration absorber 4 can also be charged by connecting a USB (universal serial bus) with a computer, the maximum cruising ability of the electromagnetic vibration absorber is 4 hours (the larger the frequency is, the faster the power consumption is), the charging time is 8 hours, and the electromagnetic vibration absorber is more convenient to use compared with other vibration reduction measures.
Compared with the prior art, the damping effect of the vibration of the electric mini-tiller can be achieved through the electromagnetic vibration absorber 4 in the working process of the electric mini-tiller, and the purpose of guaranteeing the occupational health of tea garden workers is achieved.
As shown in fig. 2 and fig. 3, in an implementation, the electromagnetic vibration absorber 4 includes a housing 401, a battery 402, a connecting block 403, an electromagnet 404, a weight 405, a spring 406, and a control end having a data transmission function, wherein the battery 402 is installed at one end in the housing 401; an electromagnet 404 is installed on the battery 402 towards the other end of the shell 401; the other end of the shell 401 is provided with a connecting block 403; the counterweight 405 is made of magnetic materials, is arranged between the connecting block 403 and the electromagnet 404 and is connected with the connecting block 403 through a spring 406, and the counterweight 405 can move back and forth between the connecting block 403 and the electromagnet 404; the electromagnetic vibration absorber 4 is fixedly mounted on the support frame 1 through a connecting block 403.
In the invention, a threaded hole can be arranged on the connecting block 403, and the electromagnetic vibration absorber 4 is fixedly arranged on the support frame 1 through a threaded connecting piece. The basic principle of the single-degree-of-freedom forced vibration of the electromagnetic vibration absorber 4 is shown in fig. 4, and the resonance can be generated by adjusting the magnetic force of the power electromagnet 404, so as to form a damping effect which plays a role in reacting to a main system, wherein ω is the excitation frequency of the electromagnetic vibration absorber 4 after the parameters are adjusted, and ω is ω0The natural vibration frequency of the support frame 1, A is the forced vibration amplitude, XstFor static displacement, A ═ Xst/1-(ω/ω0)2In the invention, the average vibration frequency of the support frame 1 can be obtained through multiple experiments, and the parameters of the electromagnetic vibration absorber 4 are adjusted to enable the excitation frequency to be close to the average vibration frequency, so that A in the formula is close to XstAnd further plays a role in vibration reduction. In FIG. 4, the ordinate represents the forced vibration amplitude A, c/c0I.e. omega/omega0When ω/ω is0The vibration amplitude approaches to infinity as the vibration amplitude approaches to 0, and the forced vibration amplitude is smaller and the vibration damping effect is more obvious as the vibration amplitude approaches to zero.
In specific implementation, the electromagnetic vibration absorber 4 is vertically installed at the lower side of the support frame 1.
The electromagnetic vibration absorber 4 can be vertically arranged below the bottom plate of the support frame 1, the main reason is that the electric mini-tiller vibrates maximally in the vertical direction, and the electromagnetic vibration absorber 4 absorbs the vertical vibration of the support frame 1 through resonance.
As shown in fig. 5, in a specific implementation, the handle 3 connects the one end of the armrest frame 2 to the free end, and the connecting portion 301, the vibration damping portion 302 and the hand-held portion 303 are connected in this order, and the vibration damping portion 302 is a rubber tube.
The rubber tube is bonded to the connecting portion 301 and the hand-held portion 303 by an adhesive, and absorbs the vibration transmitted to the support frame 1 by the rubber tube by using the flexible connection principle.
In specific implementation, the armrest frame 2 is connected with the support frame 1 through the spring 406 and the shock absorber.
The connecting part of the armrest frame 2 and the support frame 1 is provided with a spring 406 which is sleeved with a damper, so that the damping effect can be further improved.
In the invention, three-stage vibration reduction of the electric mini tiller can be realized by comprehensively utilizing the electromagnetic vibrator 4, the handle 3 with the vibration reducing part 302 and the spring 406 sleeve vibration reducer.
As shown in figure 1, the invention also discloses a novel electric mini-tiller for tea garden management, which comprises the vibration reduction structure of the novel electric mini-tiller for tea garden management.
When the novel electric mini-tiller is used for tea garden management, the novel electric mini-tiller comprises a battery pack 5 used for driving a motor, and the battery pack 5 is detachably mounted at the upper side of the front end of a machine body.
The existing electric mini-tiller has poor cruising performance. In the invention, the detachable battery pack 5 is adopted, so that the cruising performance can be effectively improved. And, install the position of battery pack 5 in the upside of fuselage front end, the staff's quick replacement battery 402 of being convenient for.
In specific implementation, the electromagnetic vibration absorber 4 includes a housing 401, a battery 402, a connection block 403, an electromagnet 404, a weight 405, a spring 406, and a control end having a data transmission function, wherein the battery 402 is installed at one end in the housing 401; an electromagnet 404 is installed on the battery 402 towards the other end of the shell 401; the other end of the shell 401 is provided with a connecting block 403; the counterweight 405 is made of magnetic materials, is arranged between the connecting block 403 and the electromagnet 404 and is connected with the connecting block 403 through a spring 406, and the counterweight 405 can move back and forth between the connecting block 403 and the electromagnet 404; the electromagnetic vibration absorber 4 is fixedly arranged on the support frame 1 through a connecting block 403; use before novel tea garden management ploughs machine with electronic declining, close electromagnetic vibration absorber 4, will novel tea garden management ploughs machine with electronic declining and tries ploughing at the target area, gathers the vibration information of 4 installation departments of electromagnetic vibration absorber, sets up the operational parameter of the control end of electromagnetic vibration absorber 4 based on vibration information to the magnetic force of electro-magnet 404 when adjusting electromagnetic vibration absorber 4 operation, and then the difference that makes the excitation frequency of electromagnetic vibration absorber 4 and support frame 1 natural vibration frequency is less than the default (the default can be according to damping demand and equipment performance setting).
In the invention, omega is the excitation frequency after the parameters of the electromagnetic vibration absorber 4 are adjusted, and omega is0The natural vibration frequency of the support frame 1, A is the forced vibration amplitude, XstFor static displacement, A ═ Xst/1-(ω/ω0)2In the invention, the average vibration frequency of the support frame 1 can be obtained through multiple experiments, and the parameters of the electromagnetic vibration absorber 4 are adjusted to enable the excitation frequency to be close to the average vibration frequency, so that A in the formula is close to XstAnd further plays a role in vibration reduction. In FIG. 4, the ordinate represents the forced vibration amplitude A, c/c0I.e. omega/omega0When ω/ω is0The vibration amplitude approaches to infinity as the vibration amplitude approaches to 0, and the forced vibration amplitude is smaller and the vibration damping effect is more obvious as the vibration amplitude approaches to zero.
In the invention, the control end can be established to be connected with the computer in a wireless or wired (USB interface) mode. Before cultivation, a target land block to be cultivated is firstly subjected to trial cultivation, vibration information of the electric mini-tiller on the target land block is collected in a targeted mode, then operation parameters of the electromagnetic vibration absorber 4 are adjusted by utilizing the vibration information, and the best vibration reduction effect is achieved.
In addition, in the invention, the cross bar of the handrail frame 2 can adopt a hollow pipe instead of a solid pipe, specifically a hollow pipe structure with the thickness of 4mm, and the joint of the support frame 1 can adopt a plate with a hollowed part, thereby reducing the weight of the electric mini-tiller.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a novel machine vibration damping structure is ploughed with electronic declining in management of tea garden, includes support frame, handrail frame and hand (hold), and support frame one end links to each other with the electronic machine body of ploughing a little, and the other end links to each other with the one end of handrail frame, installs the hand (hold) on the other end of handrail frame, and its characterized in that installs the electromagnetic vibration absorber on the support frame, the excitation frequency of electromagnetic vibration absorber is adjustable.
2. The novel electric mini-tiller vibration damping structure for tea garden management as claimed in claim 1, wherein the electromagnetic vibration absorber comprises a housing, a battery, a connecting block, an electromagnet, a balancing weight, a spring and a control end with a data transmission function, wherein the battery is mounted at one end in the housing; the battery is provided with an electromagnet towards the other end of the shell; the other end of the shell is provided with a connecting block; the counterweight block is made of a magnetic material, is arranged between the connecting block and the electromagnet and is connected with the connecting block through a spring, and can move back and forth between the connecting block and the electromagnet; the electromagnetic vibration absorber is fixedly arranged on the supporting frame through a connecting block.
3. The novel electric mini tiller vibration damping structure for tea garden management as claimed in claim 2, wherein the electromagnetic vibration absorber is vertically installed at the lower side of the support frame.
4. The novel electric mini-tiller vibration damping structure for tea garden management as claimed in claim 1, wherein the handle connecting one end of the armrest frame to the free end is a connecting portion, a vibration damping portion and a hand-held portion which are connected in sequence, and the vibration damping portion is a rubber tube.
5. The novel electric mini-tiller vibration damping structure for tea garden management as claimed in claim 1, wherein the armrest frame is connected with the support frame through a spring sleeve vibration damper.
6. A novel electric mini-tiller for tea garden management is characterized by comprising the novel vibration reduction structure of the electric mini-tiller for tea garden management as claimed in any one of claims 1 to 5.
7. The novel electric mini-tiller for tea garden management as claimed in claim 6, wherein the novel electric mini-tiller for tea garden management comprises a battery pack for driving a motor, and the battery pack is detachably mounted at an upper side of a front end of a machine body.
8. The novel electric mini tiller for managing the tea garden as claimed in claim 6, wherein the electromagnetic vibration absorber comprises a housing, a battery, a connecting block, an electromagnet, a balancing weight, a spring and a control end with a data transmission function, wherein the battery is mounted at one end in the housing; the battery is provided with an electromagnet towards the other end of the shell; the other end of the shell is provided with a connecting block; the counterweight block is made of a magnetic material, is arranged between the connecting block and the electromagnet and is connected with the connecting block through a spring, and can move back and forth between the connecting block and the electromagnet; the electromagnetic vibration absorber is fixedly arranged on the support frame through a connecting block; use novel tea garden management is with electronic machine of ploughing a little before, close the electromagnetic vibration absorber, will novel tea garden management is with electronic machine of ploughing a little at the target area and tries to plough, gathers the vibration information of electromagnetic vibration absorber installation department, sets up the operational parameter of the control end of electromagnetic vibration absorber based on vibration information to the magnetic force of electro-magnet when adjusting the electromagnetic vibration absorber operation, and then the difference that makes the excitation frequency of electromagnetic vibration absorber and support frame natural vibration frequency is less than the default.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115614432A (en) * | 2022-10-14 | 2023-01-17 | 中国农业大学 | Vibration isolation and vibration reduction composite structure self-adaptive mini-tiller handrail frame |
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CN203627644U (en) * | 2013-12-26 | 2014-06-04 | 成都金川田农机制造有限公司 | Damping mechanism of mini-tiller armrest frame |
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CN206555354U (en) * | 2017-03-22 | 2017-10-13 | 山东常美机械制造有限公司 | A kind of Novel armrest damping device for hand tractor |
CN108223678A (en) * | 2016-12-15 | 2018-06-29 | 现代自动车株式会社 | For the vibration absorber of vehicle |
CN207893045U (en) * | 2018-01-15 | 2018-09-21 | 重庆理工大学 | handrail damping device and its mini-tiller |
CN208236970U (en) * | 2018-01-29 | 2018-12-14 | 上汽通用五菱汽车股份有限公司 | It is a kind of intelligent vibration absorber used |
CN210491579U (en) * | 2019-04-25 | 2020-05-12 | 重庆市农业科学院 | Shed type electric mini-tiller based on damping stabilization |
CN211501437U (en) * | 2019-12-31 | 2020-09-15 | 中科振声(苏州)电子科技有限公司 | Composite electromagnetic type dynamic vibration absorber |
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CN204061713U (en) * | 2014-07-08 | 2014-12-31 | 重庆鑫源农机股份有限公司 | A kind of handle rack shock-absorbing support seat of microtilling machine |
CN108223678A (en) * | 2016-12-15 | 2018-06-29 | 现代自动车株式会社 | For the vibration absorber of vehicle |
CN206555354U (en) * | 2017-03-22 | 2017-10-13 | 山东常美机械制造有限公司 | A kind of Novel armrest damping device for hand tractor |
CN207893045U (en) * | 2018-01-15 | 2018-09-21 | 重庆理工大学 | handrail damping device and its mini-tiller |
CN208236970U (en) * | 2018-01-29 | 2018-12-14 | 上汽通用五菱汽车股份有限公司 | It is a kind of intelligent vibration absorber used |
CN210491579U (en) * | 2019-04-25 | 2020-05-12 | 重庆市农业科学院 | Shed type electric mini-tiller based on damping stabilization |
CN211501437U (en) * | 2019-12-31 | 2020-09-15 | 中科振声(苏州)电子科技有限公司 | Composite electromagnetic type dynamic vibration absorber |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115614432A (en) * | 2022-10-14 | 2023-01-17 | 中国农业大学 | Vibration isolation and vibration reduction composite structure self-adaptive mini-tiller handrail frame |
CN115614432B (en) * | 2022-10-14 | 2024-04-16 | 中国农业大学 | Vibration isolation and vibration reduction composite structure self-adaptive mini-tiller armrest frame |
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