CN111758369B - Intelligent mowing equipment with noise reduction function - Google Patents
Intelligent mowing equipment with noise reduction function Download PDFInfo
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- CN111758369B CN111758369B CN202010579204.0A CN202010579204A CN111758369B CN 111758369 B CN111758369 B CN 111758369B CN 202010579204 A CN202010579204 A CN 202010579204A CN 111758369 B CN111758369 B CN 111758369B
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- main body
- noise reduction
- damping
- motor
- cooling
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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)
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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 device, 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 motor, and the noise reduction mechanism is connected with the cooling mechanism;
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, one end of the lower portion of the supporting plate is connected with one damping component, the other end of the lower portion of the supporting plate is connected with the other damping component, the damping components are connected with the cooling mechanism, one end of the first spring is connected with one damping component, the other end of the first spring is connected with the other damping component, the elastic ropes are uniformly arranged above the supporting plate in the circumferential direction, one end of each elastic rope is connected with the upper portion of the supporting plate, and the other end of each elastic rope is connected with 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 blocks one to one, the damping blocks are arranged in the grooves and matched with the grooves, the damping blocks are in sliding connection with the grooves, the grooves are dovetail grooves, one end of the damping rod is hinged to the lower portion of the supporting plate, the other end of the damping rod is hinged to the upper portion of the damping block, one end of the first spring is connected with one side of one damping block, the other end of the first spring is connected with one side of the other damping block, the first bearings are fixed in the main body, one end of the rotating shaft is fixedly connected with the inner ring of one first bearing, the other end of the rotating shaft is fixedly connected with the inner ring of the other first bearing, and 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 part of the supporting plate through the transmission units, one end of the rack is fixedly connected with the other side of the damping block, and 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, one end of each connecting pipe is fixedly connected with the inner wall of one round hole, the other end of each connecting pipe is fixedly connected with the inner wall of the other round hole, one end of each connecting pipe penetrates through one round hole to be arranged inside the main body, the other end of each connecting pipe penetrates through the other round hole to be arranged inside the main body, one end of each connecting pipe is communicated with the connecting box, the other end of each connecting pipe is communicated with the fixing box, the air cylinder is fixed inside the main body, the upper part of the air cylinder is communicated with the connecting box through the air outlet pipe, one side and the intake pipe intercommunication of inflator, the piston sets up the inside at the inflator, the inner wall sealing connection of piston and inflator, the one end of second spring is connected with the below of piston, the one end of second spring is connected with the bottom in the inflator, the below and the transmission unit of piston are connected, all be equipped with the check valve in intake pipe and the gas outlet pipe, the check valve is connected with the PLC electricity.
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 body 1, 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, one end of the lower part of the support plate 8 is connected with one damping assembly, the other end of the lower part of the support plate 8 is connected with another damping assembly, the damping assemblies are connected with the cooling mechanism, one end of the first spring 10 is connected with one damping assembly, the other end of the first spring 10 is connected with another damping assembly, the elastic ropes 9 are uniformly arranged above the support plate 8 in the circumferential direction, one end of the elastic ropes 9 is connected with the upper part of the support plate 8, and the other end of the elastic ropes 9 is connected with 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, the grooves correspond to the damping blocks 12 one to one, the damping blocks 12 are arranged in 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, one end of the damping rod 11 is hinged to the lower portion of the supporting plate 8, the other end of the damping rod 11 is hinged to the upper portion of the damping block 12, one end of each first spring 10 is connected with one side of one damping block 12, the other end of each first spring 10 is connected with one side of the other damping block 12, the first bearings are fixed in the main body 1, one end of the rotating shaft 15 is fixedly connected with the inner ring of one first bearing, and the other end of the rotating shaft 15 is fixedly connected with the inner ring of the other first bearing, the gear 14 is fixed on a 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;
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 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, one end of each connecting pipe 26 is fixedly connected with the inner wall of one round hole, the other end of each connecting pipe 26 is fixedly connected with the inner wall of the other round hole, one end of each connecting pipe 26 penetrates through one round hole to be arranged inside the main body 1, the other end of each connecting pipe 26 penetrates through the other round hole to be arranged inside the main body 1, one end of each connecting pipe 26 is communicated with the connecting box 25, and the other end of each connecting pipe 26 is communicated with the fixing box 19, the inside at main part 1 is fixed to the inflator 22, the outlet duct 24 and the connecting box 25 intercommunication are passed through to the top of inflator 22, one side and the intake pipe 23 intercommunication of inflator 22, piston 20 sets up the inside at inflator 22, the inner wall sealing connection of piston 20 and inflator 22, the one end of second spring 21 is connected with the below of piston 20, the one end and the bottom in the inflator 22 of second spring 21 are connected, 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.
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 a sealed state, 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 support plate (8), a first spring (10), two shock absorption components and a plurality of elastic ropes (9), the motor (4) is fixed above the supporting plate (8), the damping component is arranged at the bottom in the main body (1), one end of the lower part of the supporting plate (8) is connected with one damping component, the other end of the lower part of the supporting plate (8) is connected with the other damping component, the damping component is connected with the cooling mechanism, one end of the first spring (10) is connected with one damping component, the other end of the first spring (10) is connected with another damping component, the elastic ropes (9) are uniformly arranged above the supporting plate (8) in the circumferential direction, one end of the elastic rope (9) is connected with the upper part of the support plate (8), and the other end of the elastic rope (9) is connected with the top in 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 of the main body (1), the grooves correspond to the damping block (12) one to one, the damping block (12) is arranged in each groove, the damping block (12) is matched with the grooves, the damping block (12) is in sliding connection with the grooves, each groove is a dovetail groove, one end of the damping rod (11) is hinged to the lower portion of the supporting plate (8), the other end of the damping rod (11) is hinged to the upper portion of the damping block (12), one end of each first spring (10) is connected with one side of one damping block (12), the other end of each first spring (10) is connected with one side of the other damping block (12), and the first bearings are fixed in the main body (1), one end of the rotating shaft (15) is fixedly connected with an inner ring of one first bearing, the other end of the rotating shaft (15) is fixedly connected with an inner ring of the other first bearing, 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, one end of each connecting pipe (26) is fixedly connected with the inner wall of one round hole, the other end of each connecting pipe (26) is fixedly connected with the inner wall of the other round hole, one end of each connecting pipe (26) penetrates through one round hole to be arranged inside the main body (1), and the other end of each connecting pipe (26) penetrates through the other round hole to be arranged inside the main body (1), the one end and the connecting box (25) intercommunication of connecting pipe (26), the other end and the fixed box (19) intercommunication of connecting pipe (26), the inside at main part (1) is fixed in inflator (22), the top of inflator (22) is passed through outlet duct (24) and is connected box (25) intercommunication, one side and intake pipe (23) intercommunication of inflator (22), piston (20) set up the inside in inflator (22), the inner wall sealing connection of piston (20) and inflator (22), the one end and the below of piston (20) of second spring (21) are connected, the one end and the bottom in inflator (22) of second spring (21) are connected, 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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| CN111758369B true CN111758369B (en) | 2021-07-23 |
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| CN112385388A (en) * | 2020-10-21 | 2021-02-23 | 张扬 | Harvesting equipment with high reliability |
| CN113099829B (en) * | 2021-03-04 | 2022-12-27 | 南京宝芝泉技术研发有限公司 | Lawn mower with shock-absorbing function |
| CN113659768B (en) * | 2021-08-27 | 2024-02-27 | 重庆能源职业学院 | Emergency energy storage device of pneumatic transportation pipeline for medical production |
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Effective date of registration: 20210707 Address after: 313200 no.5-87, 926 Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province (Moganshan national high tech Zone) Applicant after: Huzhou Jianye Automation Technology Co.,Ltd. Address before: 558307 Xiliang Group 8, Xingfa village, Xiliang Township, Pingtang County, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province Applicant before: Lu Guangchuan |
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