CN111758369A - Intelligent mowing equipment with noise reduction function - Google Patents
Intelligent mowing equipment with noise reduction function Download PDFInfo
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- CN111758369A CN111758369A CN202010579204.0A CN202010579204A CN111758369A CN 111758369 A CN111758369 A CN 111758369A CN 202010579204 A CN202010579204 A CN 202010579204A CN 111758369 A CN111758369 A CN 111758369A
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- noise reduction
- main body
- damping
- motor
- cooling
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- 230000009467 reduction Effects 0.000 title claims abstract description 55
- 238000013016 damping Methods 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000036541 health Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 31
- 238000010521 absorption reaction Methods 0.000 description 18
- 230000035939 shock Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
- A01D34/6806—Driving mechanisms
- A01D34/6818—Motor starting mechanisms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to an intelligent mowing device with a noise reduction function, which comprises a main body, a handle, a motor, a driving shaft, four wheels, a plurality of blades, a noise reduction mechanism and a cooling mechanism, wherein the noise reduction mechanism comprises a supporting plate, a first spring, two damping components and a plurality of elastic ropes, each damping component comprises a damping rod, a damping block, a rotating shaft, a gear, a rack, two transmission units and two first bearings, the cooling mechanism comprises a fixed box and two cooling components, each cooling component comprises a connecting box, an air cylinder, a piston, a second spring, an air inlet pipe, an air outlet pipe and a plurality of connecting pipes, the intelligent mowing device with the noise reduction function realizes the damping function through the noise reduction mechanism, avoids the damage caused by overlarge shaking of the motor, simultaneously reduces the noise generated during the working of the motor, avoids the influence on the body health of a user caused by the overlarge noise during the working of the, through cooling mechanism, realized the function of cooling, avoided the motor to be in high temperature state for a long time and influence its normal work.
Description
Technical Field
The invention relates to the field of intelligent equipment, in particular to intelligent mowing equipment with a noise reduction function.
Background
The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit.
The existing mower is used, the motor easily generates large vibration, large noise is generated, if a user is in an environment with large noise for a long time, the hearing health of the user is easily threatened, the reliability of the existing mower is reduced, and moreover, the existing mower is used, the motor easily generates more heat, the internal temperature of the main body is increased, if the motor is in the environment with high temperature for a long time, the probability of motor damage is easily increased, the service life of the motor is reduced, and the practicability of the existing mower is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the intelligent mowing equipment with the noise reduction function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent mowing device with a noise reduction function comprises a main body, a handle, a motor, a driving shaft, four wheels and a plurality of blades, wherein the four wheels are respectively arranged at four corners below the main body, the handle is fixed at one side of the main body, a through hole is formed below the main body, the motor is arranged in the main body, the motor is in transmission connection with one end of the driving shaft, the other end of the driving shaft penetrates through the through hole and is arranged below the main body, the blades are circumferentially and uniformly fixed on the periphery of the other end of the driving shaft, a PLC is arranged in the main body, a button is arranged on the handle, the motor and the button are electrically connected with the PLC, the intelligent mowing device also comprises a noise reduction mechanism and a cooling mechanism, the noise reduction mechanism and the cooling mechanism are both arranged in the main body, the noise reduction mechanism is connected with the;
the noise reduction mechanism comprises a supporting plate, a first spring, two damping components and a plurality of elastic ropes, the motor is fixed above the supporting plate, the damping components are arranged at the bottom in the main body, two ends of the lower portion of the supporting plate are respectively connected with the two damping components, the damping components are connected with the cooling mechanism, two ends of the first spring are respectively connected with the two damping components, the elastic ropes are uniformly arranged above the supporting plate in the circumferential direction, and two ends of the elastic ropes are respectively connected with the upper portion of the supporting plate and the top in the main body;
the damping component comprises a damping rod, a damping block, a rotating shaft, a gear, a rack, two transmission units and two first bearings, two grooves are formed in the bottom in the main body, the grooves correspond to the damping block one by one, the damping block is arranged in the grooves and matched with the grooves, the damping block is connected with the grooves in a sliding mode, the grooves are dovetail grooves, two ends of the damping rod are hinged to the lower portion of the supporting plate and the upper portion of the damping block respectively, two ends of the first spring are connected with one sides of the two damping blocks respectively, the first bearings are fixed in the main body, two ends of the rotating shaft are fixedly connected with inner rings of the two first bearings respectively, the gear is fixed on the rotating shaft, the gear is arranged between the two transmission units, the rotating shaft is connected with the lower portion of the supporting plate through the transmission units, one end of the rack is fixedly connected with the other side of the damping block, the other end of the rack is meshed with the gear;
the cooling mechanism comprises a fixing box and two cooling components, the fixing box is fixed at the top in the main body, an air outlet is arranged below the fixing box, the cooling components correspond to the damping components one to one, and the cooling components are connected with the damping components;
the cooling assembly comprises a connecting box, an air cylinder, a piston, a second spring, an air inlet pipe, an air outlet pipe and a plurality of connecting pipes, the connecting box is fixed at the top of the main body, the connecting pipes are U-shaped, a plurality of limiting assemblies are arranged above the main body, the number of the limiting assemblies is equal to that of the connecting pipes, the limiting assemblies correspond to the connecting pipes one by one, each limiting assembly comprises two round holes, two ends of each connecting pipe are respectively fixedly connected with the inner walls of the two round holes, two ends of each connecting pipe respectively penetrate through the two round holes to be arranged in the main body, two ends of each connecting pipe are respectively communicated with the connecting box and the fixing box, the air cylinder is fixed in the main body, the air outlet pipe is communicated with the connecting box above the air cylinder, one side of the air cylinder is communicated with the air inlet pipe, the piston is arranged in the air cylinder, and the piston is hermetically connected, the two ends of the second spring are respectively connected with the lower portion of the piston and the bottom of the air cylinder, the lower portion of the piston is connected with the transmission unit, one-way valves are arranged in the air inlet pipe and the air outlet pipe, and the one-way valves are electrically connected with the PLC.
Preferably, in order to drive the piston to move, the transmission unit comprises a transmission disc and a transmission line, the transmission disc is fixed on the rotating shaft, two small holes are formed in the lower portion of the inflator and correspond to the transmission line in a one-to-one mode, one end of the transmission line is wound on the transmission disc, and the other end of the transmission line penetrates through the small holes and is fixedly connected with the lower portion of the piston.
Preferably, in order to prolong the service life of the transmission line, the transmission line is made of nylon.
Preferably, a rubber ring is fixed on the inner wall of the small hole in order to reduce the abrasion of the transmission line.
Preferably, in order to realize the function of noise reduction, the noise reduction mechanism further comprises two sound absorption plates, and the two sound absorption plates are respectively fixed on the inner walls of the two sides of the main body.
Preferably, the rack is coated with grease in order to make the gear smoothly rotate.
Preferably, in order to make the rack move smoothly, a plurality of notches are arranged below the rack, balls are arranged in the notches, the centers of the balls are arranged inside the notches, and the balls abut against the bottom in the main body.
Preferably, in order to realize the dust removal function, a filter screen is arranged in the air inlet pipe.
Preferably, in order to improve the heat dissipation effect, the connecting pipe is uniformly provided with heat dissipation fins.
Preferably, the motor is a servo motor for precise and stable operation of the motor.
The intelligent mowing equipment with the noise reduction function has the advantages that the noise reduction mechanism realizes the function of damping the motor, avoids the damage of the motor due to overlarge shaking, simultaneously reduces the noise generated when the motor works, realizes the function of noise reduction, avoids the influence on the body health of a user due to overlarge noise when the equipment works, thereby improving the reliability of the equipment, compared with the existing noise reduction mechanism, the noise reduction mechanism and the cooling mechanism are integrated into a whole, the energy saving performance of the equipment is improved without using electric drive, the function of cooling the inside of the main body is realized through the cooling mechanism, the influence on the normal work of the motor due to the long-term high-temperature state is avoided, thereby improving the reliability of the equipment, compared with the existing cooling mechanism, the heat radiation mode of the cooling mechanism is that hot air in the main body is guided into an external connecting pipe and then guided into the main body again, make the main part inside be in a sealed state for the main part can not leak gas, thereby reduced noise exhaust probability, thereby promoted the effect of making an uproar.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a smart lawn mowing device with noise reduction of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a side view of the interior of the main body of the smart lawn mowing device with noise reduction of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
in the figure: 1. the automobile shock absorber comprises a main body, 2, wheels, 3, a handle, 4, a motor, 5, a driving shaft, 6, a blade, 7, a key, 8, a supporting plate, 9, an elastic rope, 10, a first spring, 11, a shock absorption rod, 12, a shock absorption block, 13, a rack, 14, a gear, 15, a rotating shaft, 16, a transmission disc, 17, a transmission line, 18, a ball, 19, a fixing box, 20, a piston, 21, a second spring, 22, an air cylinder, 23, an air inlet pipe, 24, an air outlet pipe, 25, a connecting box, 26, a connecting pipe, 27, a radiating fin, 28, a filter screen, 29, a sound absorbing plate and 30 rubber rings.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an intelligent mowing device with a noise reduction function comprises a main body 1, a handle 3, a motor 4, a driving shaft 5, four wheels 2 and a plurality of blades 6, wherein the four wheels 2 are respectively arranged at four corners below the main body 1, the handle 3 is fixed at one side of the main body 1, a through hole is arranged below the main body 1, the motor 4 is arranged inside the main body 1, the motor 4 is in transmission connection with one end of the driving shaft 5, the other end of the driving shaft 5 penetrates through the through hole and is arranged below the main body 1, the blades 6 are uniformly fixed on the periphery of the other end of the driving shaft 5 in the circumferential direction, a PLC is arranged in the main body 1, a key 7 is arranged on the handle 3, the motor 4 and the key 7 are both electrically connected with the PLC, the intelligent mowing device further comprises a noise reduction mechanism and a cooling mechanism, both arranged inside the main, the noise reduction mechanism is connected with the motor 4 and the cooling mechanism;
PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control. When the mowing machine needs to mow, a user presses the button 7 to send a signal to the PLC, and the PLC controls the motor 4 to be started to drive the driving shaft 5 to rotate, so that the blade 6 rotates, and the mowing function is achieved.
This intelligent mowing equipment with function of making an uproar has realized the absorbing function to motor 4 through making an uproar mechanism of falling, avoid motor 4 to rock too big and damage, the noise that motor 4 during operation produced has also been reduced simultaneously, the function of making an uproar is fallen in the realization, avoid equipment during operation noise too big and influence user's healthy, thereby the reliability of equipment has been improved, through cooling mechanism, the function to 1 inside cooling of main part has been realized, avoid motor 4 to be in high temperature state for a long time and influence its normal work, thereby the reliability of equipment has been improved.
As shown in fig. 1, 3 and 4, the noise reduction mechanism includes a support plate 8, a first spring 10, two damping assemblies and a plurality of elastic ropes 9, the motor 4 is fixed above the support plate 8, the damping assemblies are arranged at the bottom of the main body 1, two ends of the lower part of the support plate 8 are respectively connected with the two damping assemblies, the damping assemblies are connected with the cooling mechanism, two ends of the first spring 10 are respectively connected with the two damping assemblies, the elastic ropes 9 are circumferentially and uniformly arranged above the support plate 8, and two ends of the elastic ropes 9 are respectively connected with the upper part of the support plate 8 and the top of the main body 1;
the damping component comprises a damping rod 11, a damping block 12, a rotating shaft 15, a gear 14, a rack 13, two transmission units and two first bearings, wherein two grooves are formed in the bottom in the main body 1 and correspond to the damping block 12 one by one, the damping block 12 is arranged in the grooves and matched with the grooves, the damping block 12 is in sliding connection with the grooves, the grooves are dovetail grooves, two ends of the damping rod 11 are hinged to the lower portion of the supporting plate 8 and the upper portion of the damping block 12 respectively, two ends of a first spring 10 are connected with one sides of the two damping blocks 12 respectively, the first bearings are fixed in the main body 1, two ends of the rotating shaft 15 are fixedly connected with inner rings of the two first bearings respectively, the gear 14 is fixed on the rotating shaft 15, the gear 14 is arranged between the two transmission units, the rotating shaft 15 is connected with the lower portion of the supporting plate 8 through the transmission units, one end of the rack 13 is fixedly connected with the other side of the damping block 12, and the other end of the rack 13 is meshed with the gear 14;
when the motor 4 vibrates, the motor 4 moves downwards, the elastic rope 9 is stretched, the two shock absorption blocks 12 are driven to move towards the direction away from each other through the shock absorption rods 11, the first spring 10 is stretched, the two shock absorption blocks 12 move towards the direction close to each other through the restoring force of the first spring 10, an upward buffering force is given to the support plate 8 through the restoring force of the elastic rope 9 and the shock absorption rods 11, the shaking amplitude of the motor 4 is reduced, the shock absorption function of the motor 4 is realized, the damage caused by overlarge shaking of the motor 4 is avoided, meanwhile, the noise generated when the motor 4 works is also reduced, the noise reduction function is realized, the influence on the body health of a user caused by overlarge noise when the equipment works is avoided, the reliability of the equipment is improved, when the shock absorption blocks 12 move, the rack 13 is driven to move, and the gear 14 rotates through the meshing of the gear 14 and the rack 13, thereby drive pivot 15 and rotate for the transmission unit work, thereby drive cooling mechanism work, realize radiating function.
As shown in fig. 1, the cooling mechanism includes a fixing box 19 and two cooling components, the fixing box 19 is fixed at the top of the main body 1, an air outlet is arranged below the fixing box 19, the cooling components correspond to the damping components one to one, and the cooling components are connected with the damping components;
the cooling component comprises a connecting box 25, an inflator 22, a piston 20, a second spring 21, an air inlet pipe 23, an air outlet pipe 24 and a plurality of connecting pipes 26, wherein the connecting box 25 is fixed at the top of the main body 1, the connecting pipes 26 are U-shaped, a plurality of limiting components are arranged above the main body 1, the number of the limiting components is equal to the number of the connecting pipes 26, the limiting components correspond to the connecting pipes 26 one to one, each limiting component comprises two round holes, the two ends of each connecting pipe 26 are respectively fixedly connected with the inner walls of the two round holes, the two ends of each connecting pipe 26 are respectively arranged in the main body 1 through the two round holes, the two ends of each connecting pipe 26 are respectively communicated with the connecting box 25 and the fixing box 19, the inflator 22 is fixed in the main body 1, the air outlet pipe 24 is communicated with the connecting box 25 above the inflator 22, one side of the inflator 22 is communicated with the air inlet pipe, the piston 20 is arranged in the cylinder 22, the piston 20 is connected with the inner wall of the cylinder 22 in a sealing mode, two ends of the second spring 21 are respectively connected with the lower portion of the piston 20 and the bottom of the cylinder 22, the lower portion of the piston 20 is connected with the transmission unit, one-way valves are arranged in the air inlet pipe 23 and the air outlet pipe 24, and the one-way valves are electrically connected with the PLC.
When the transmission unit works, the piston 20 can be driven to move up and down in the air cylinder 22 in a reciprocating manner, so that hot air in the main body 1 is guided into the air cylinder 22 through the air inlet pipe 23, then guided into the connecting box 25 through the air outlet pipe 24 and then guided into the connecting pipe 26, heat on the connecting pipe 26 can be taken away through the flow of outside air, so that the air in the connecting pipe 26 can be cooled, the cooled air is guided into the fixing box 19 again, the cooled air is guided into the main body 1 through the air outlet, the function of cooling the inner part of the main body 1 is realized, the motor 4 is prevented from being in a high-temperature state for a long time to influence the normal operation of the motor, the reliability of the equipment is improved, the heat radiation mode of the cooling mechanism is that the hot air in the main body 1 is guided into the connecting pipe 26 at the outer part and then guided into the main body 1 again, so that the inner part of the main body 1 is in, the main body 1 can not leak air, so that the probability of noise discharge is reduced, and the noise reduction effect is improved.
Preferably, in order to drive the piston 20 to move, the transmission unit comprises a transmission disc 16 and a transmission line 17, the transmission disc 16 is fixed on the rotating shaft 15, two small holes are arranged below the inflator 22, the small holes correspond to the transmission line 17 one to one, one end of the transmission line 17 is wound on the transmission disc 16, and the other end of the transmission line 17 penetrates through the small holes to be fixedly connected with the lower portion of the piston 20.
When the two damping blocks 12 move towards the direction away from each other, the rack 13 moves to drive the rotating shaft 15 to rotate, the driving disc 16 can be driven to rotate, the driving wire 17 is tightened to drive the piston 20 to move downwards, the second spring 21 is compressed, when the two damping blocks 12 move towards the direction close to each other, the rotating shaft 15 rotates reversely, the driving disc 16 rotates reversely, the driving wire 17 is lengthened, the piston 20 moves upwards through the restoring force of the second spring 21, and therefore the function that the piston 20 moves up and down in the inflator 22 is achieved.
Preferably, in order to prolong the service life of the transmission line 17, the material of the transmission line 17 is nylon.
As shown in fig. 4, a rubber ring 30 is fixed to the inner wall of the small hole.
Through setting up rubber ring 30, avoided the rigid contact between transmission line and the aperture to reduce the wearing and tearing of transmission line 17, prolonged the life of transmission line 17.
Preferably, in order to realize the function of noise reduction, the noise reduction mechanism further comprises two sound absorption plates 29, and the two sound absorption plates 29 are respectively fixed on the inner walls of the two sides of the main body 1.
Preferably, in order to make the gear 14 smoothly rotate, the rack 13 is coated with grease, so that the friction between the rack 13 and the gear 14 is reduced, and the gear 14 is more smoothly rotated.
Preferably, in order to make the rack 13 move smoothly, a plurality of notches are arranged below the rack 13, a ball 18 is arranged in each notch, the center of the ball 18 is arranged in each notch, and the ball 18 abuts against the bottom in the main body 1.
By providing the balls 18, the friction between the rack 13 and the bottom of the main body 1 is reduced, so that the rack 13 can move more smoothly.
Preferably, a filter screen 28 is arranged in the air inlet pipe 23 to realize the dust removing function.
By providing the filter 28, the dust removal work of the gas introduced into the interior of the cylinder 22 is performed, and the probability of the foreign substances adhering to the inner wall of the cylinder 22 is reduced, thereby reducing the probability of the piston 20 being damaged by friction with the foreign substances, and thus extending the life span of the piston 20.
Preferably, the connecting tube 26 is uniformly provided with heat dissipating fins 27 for enhancing the heat dissipating effect.
By providing the heat radiating fins 27, the heat radiating area is increased, thereby enhancing the heat radiating effect.
Preferably, the motor 4 is a servo motor in order to make the motor 4 work accurately and stably.
When the motor 4 vibrates, the motor 4 moves downwards, the elastic rope 9 is stretched, the two shock absorption blocks 12 are driven to move towards the direction away from each other through the shock absorption rods 11, the first spring 10 is stretched, the two shock absorption blocks 12 move towards the direction close to each other through the restoring force of the first spring 10, an upward buffering force is given to the supporting plate 8 through the restoring force of the elastic rope 9 and the shock absorption rods 11, the shaking amplitude of the motor 4 is reduced, the shock absorption function of the motor 4 is realized, the noise generated when the motor 4 works is reduced, the noise reduction function is realized, the influence on the health of a user due to the overlarge noise when the equipment works is avoided, the reliability of the equipment is improved, when the shock absorption blocks 12 move, the rack 13 is driven to move, the gear 14 is driven to rotate through the meshing of the gear 14 and the rack 13, and the rotating shaft 15 is driven to rotate, the transmission unit is driven to work, so that the cooling mechanism is driven to work, and the heat dissipation function is realized. When the two damping blocks 12 move in the direction away from each other to move the rack 13, the gear 14 is engaged with the rack 13 to rotate the rotating shaft 15 and drive the transmission disc 16 to rotate, the transmission line 17 is tightened to drive the piston 20 to move downwards and compress the second spring 21, when the two damping blocks 12 move in the direction close to each other, the rotating shaft 15 rotates reversely to rotate the transmission disc 16 reversely, the transmission line 17 is lengthened, the piston 20 moves upwards by the restoring force of the second spring 21 to move the piston 20 up and down in the inflator 22, so that the hot air in the main body 1 is introduced into the inflator 22 through the air inlet pipe 23, then introduced into the connecting box 25 through the air outlet pipe 24 and then introduced into the connecting pipe 26, and the heat on the connecting pipe 26 can be taken away by the flow of the external air, thereby the air in the connecting pipe 26 can be cooled, the inside of leading-in fixed box 19 again with the air after the cooling, make the air after the cooling pass through the inside of the leading-in main part 1 of air outlet again, thereby realized the function to the inside cooling of main part 1, avoid motor 4 to be in high temperature state for a long time and influence its normal work, thereby the reliability of equipment has been improved, this cooling mechanism's radiating mode is in the leading-in outside connecting pipe 26 of steam in main part 1, the inside of leading-in main part 1 again, make main part 1 inside be in a sealed state, make main part 1 can not leak gas, thereby noise exhaust probability has been reduced, thereby the effect of making an uproar has been promoted.
Compared with the prior art, the intelligent mowing equipment with the noise reduction function realizes the function of damping the motor 4 through the noise reduction mechanism, avoids the damage of the motor 4 caused by overlarge shaking, simultaneously reduces the noise generated when the motor 4 works, realizes the function of noise reduction, avoids the influence on the body health of a user caused by overlarge noise when the equipment works, thereby improving the reliability of the equipment, compared with the prior noise reduction mechanism, the noise reduction mechanism and the cooling mechanism are integrated into a linkage mechanism, the use of electric drive is not needed, the energy saving performance of the equipment is improved, the function of cooling the inside of the main body 1 is realized through the cooling mechanism, the influence on the normal work of the motor 4 caused by the long-term high temperature state is avoided, thereby improving the reliability of the equipment, compared with the prior cooling mechanism, the heat radiation mode of the cooling mechanism is to lead hot air in the main body 1 into an external connecting pipe 26, and then the inside of the main body 1 is led into the main body 1 again, so that the inside of the main body 1 is in a sealed state, the main body 1 cannot leak air, the probability of noise discharge is reduced, and the noise reduction effect is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An intelligent mowing device with a noise reduction function comprises a main body (1), a handle (3), a motor (4), a driving shaft (5), four wheels (2) and a plurality of blades (6), wherein the four wheels (2) are respectively arranged at four corners of the lower part of the main body (1), the handle (3) is fixed at one side of the main body (1), a through hole is formed in the lower part of the main body (1), the motor (4) is arranged in the main body (1), the motor (4) is in transmission connection with one end of the driving shaft (5), the other end of the driving shaft (5) penetrates through the through hole to be arranged below the main body (1), the blades (6) are circumferentially and uniformly fixed on the periphery of the other end of the driving shaft (5), a PLC is arranged in the main body (1), a key (7) is arranged on the handle (3), and the motor (4) and the key (7) are electrically connected with the PLC, the noise reduction device is characterized by further comprising a noise reduction mechanism and a cooling mechanism, wherein the noise reduction mechanism and the cooling mechanism are both arranged inside the main body (1), the noise reduction mechanism is connected with the motor (4), and the noise reduction mechanism is connected with the cooling mechanism;
the noise reduction mechanism comprises a supporting plate (8), a first spring (10), two damping components and a plurality of elastic ropes (9), the motor (4) is fixed above the supporting plate (8), the damping components are arranged at the bottom in the main body (1), two ends of the lower portion of the supporting plate (8) are respectively connected with the two damping components, the damping components are connected with the cooling mechanism, two ends of the first spring (10) are respectively connected with the two damping components, the elastic ropes (9) are circumferentially and uniformly arranged above the supporting plate (8), and two ends of the elastic ropes (9) are respectively connected with the upper portion of the supporting plate (8) and the top in the main body (1);
the damping component comprises a damping rod (11), damping blocks (12), a rotating shaft (15), a gear (14), a rack (13), two transmission units and two first bearings, wherein two grooves are formed in the bottom of the main body (1), the grooves correspond to the damping blocks (12) one by one, the damping blocks (12) are arranged inside the grooves, the damping blocks (12) are matched with the grooves, the damping blocks (12) are connected with the grooves in a sliding mode, the grooves are dovetail grooves, the two ends of the damping rod (11) are hinged to the lower portion of the supporting plate (8) and the upper portion of the damping blocks (12) respectively, the two ends of the first spring (10) are connected with one sides of the two damping blocks (12) respectively, the first bearings are fixed inside the main body (1), the two ends of the rotating shaft (15) are fixedly connected with the inner rings of the two first bearings respectively, the gear (14) is fixed on the rotating shaft (15), the gear (14) is arranged between the two transmission units, the rotating shaft (15) is connected with the lower part of the supporting plate (8) through the transmission units, one end of the rack (13) is fixedly connected with the other side of the damping block (12), and the other end of the rack (13) is meshed with the gear (14);
the cooling mechanism comprises a fixing box (19) and two cooling components, the fixing box (19) is fixed at the top in the main body (1), air outlets are formed below the fixing box (19), the cooling components correspond to the damping components one to one, and the cooling components are connected with the damping components;
the cooling assembly comprises a connecting box (25), an air cylinder (22), a piston (20), a second spring (21), an air inlet pipe (23), an air outlet pipe (24) and a plurality of connecting pipes (26), the connecting box (25) is fixed at the top of the main body (1), the connecting pipes (26) are U-shaped, a plurality of limiting assemblies are arranged above the main body (1), the number of the limiting assemblies is equal to that of the connecting pipes (26), the limiting assemblies correspond to the connecting pipes (26) one to one, each limiting assembly comprises two round holes, two ends of each connecting pipe (26) are fixedly connected with the inner walls of the two round holes respectively, two ends of each connecting pipe (26) penetrate through the two round holes respectively and are arranged inside the main body (1), two ends of each connecting pipe (26) are communicated with the connecting box (25) and the fixing box (19) respectively, the air cylinder (22) is fixed inside the main body (1), the top of inflator (22) is passed through outlet duct (24) and connecting box (25) intercommunication, one side and intake pipe (23) intercommunication of inflator (22), piston (20) set up the inside at inflator (22), the inner wall sealing connection of piston (20) and inflator (22), the both ends of second spring (21) are connected with the below of piston (20) and the bottom in inflator (22) respectively, the below and the transmission unit of piston (20) are connected, all be equipped with the check valve in intake pipe (23) and the outlet duct (24), the check valve is connected with the PLC electricity.
2. The intelligent mowing device with the noise reduction function according to claim 1, wherein the transmission unit comprises a transmission disc (16) and a transmission line (17), the transmission disc (16) is fixed on the rotating shaft (15), two small holes are formed in the lower portion of the air cylinder (22), the small holes correspond to the transmission line (17) in a one-to-one mode, one end of the transmission line (17) is wound on the transmission disc (16), and the other end of the transmission line (17) penetrates through the small holes to be fixedly connected with the lower portion of the piston (20).
3. The intelligent mowing device with the noise reduction function according to claim 2, wherein the transmission line (17) is made of nylon.
4. A smart lawn mowing device with noise reduction function according to claim 3, wherein a rubber ring (30) is fixed on the inner wall of the small hole.
5. The intelligent mowing apparatus with noise reduction function according to claim 1, wherein the noise reduction mechanism further comprises two sound-absorbing plates (29), and the two sound-absorbing plates (29) are fixed to the inner walls of the main body (1) on both sides.
6. The smart lawn mower with noise reduction function as claimed in claim 1, wherein the rack (13) is coated with grease.
7. The intelligent mowing device with the noise reduction function according to claim 1, wherein a plurality of notches are formed below the rack (13), a ball (18) is arranged in each notch, the center of the ball (18) is arranged inside each notch, and the ball (18) abuts against the bottom in the main body (1).
8. The intelligent mowing device with the noise reduction function according to claim 1, wherein a filter screen (28) is arranged in the air inlet pipe (23).
9. The intelligent mowing apparatus with the noise reduction function according to claim 1, wherein the connecting pipe (26) is uniformly provided with heat radiating fins (27).
10. The intelligent mowing device with noise reduction function according to claim 1, wherein the motor (4) is a servo motor.
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| CN112385388A (en) * | 2020-10-21 | 2021-02-23 | 张扬 | Harvesting equipment with high reliability |
| CN113099829A (en) * | 2021-03-04 | 2021-07-13 | 南京宝芝泉技术研发有限公司 | Lawn mower with shock-absorbing function |
| CN113659768A (en) * | 2021-08-27 | 2021-11-16 | 陶庭翠 | Medicine production is with emergent energy memory of pneumatic transport pipe way |
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