CN214564445U - Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass - Google Patents
Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass Download PDFInfo
- Publication number
- CN214564445U CN214564445U CN202023178595.XU CN202023178595U CN214564445U CN 214564445 U CN214564445 U CN 214564445U CN 202023178595 U CN202023178595 U CN 202023178595U CN 214564445 U CN214564445 U CN 214564445U
- Authority
- CN
- China
- Prior art keywords
- cycloid
- gear
- teeth
- wheel
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a vehicle body electromagnetic shock absorber for effectively reducing unsprung mass, which comprises a spring hydraulic shock absorber, a shock absorption gear, a rack and a motor, wherein the spring hydraulic shock absorber is connected with a vehicle body and a wheel; the motor is connected with the vehicle-mounted control system, the spring hydraulic damper is connected with a speed sensor, and the speed sensor is connected with the vehicle-mounted control system; the speed sensor monitors the upward or downward movement speed of the wheel and transmits information to the vehicle-mounted control system, and the vehicle-mounted control system controls the motor to operate according to the movement speed information of the wheel so as to control the rotating linear speed of the damping gear and drive the damping gear to be meshed with the rack for transmission, so that an acting force opposite to that of the wheel is generated. The utility model discloses well motor and shock attenuation gear are located the automobile body, and the rack is located the wheel, greatly reduced unsprung mass, make the car go more steady.
Description
Technical Field
The utility model belongs to the automobile shock attenuation field especially relates to an effectively reduce automobile body electromagnetic shock absorber of unsprung mass.
Background
The shock attenuation mode commonly used at present includes hydraulic shock attenuation, air spring shock attenuation and electromagnetism shock attenuation, and either kind of mode can't compromise simultaneously that response speed is fast, bear big load, shock attenuation is effectual. The electromagnetic shock absorption is in the field of automobile application, for example, the electromagnetic suspension technology developed by Bose company in the U.S., wherein a linear motor is taken as a core, when a wheel moves up and down, the wheel enables an automobile body to be subjected to upward or downward force through a transmission part, a vehicle-mounted sensor monitors the information of the up-and-down movement of the wheel in real time, the information is fed back to a vehicle-mounted computer, a proper current value is calculated and output to the linear motor, and the linear motor generates an acting force which is equal to the force applied to the automobile body and is opposite to the force applied to the automobile body, so that the automobile body is kept balanced. However, the power density of the existing linear motor is limited, and the linear motor is difficult to further promote, and is used in the field of automobile shock absorption, the weight of the motor is required to be light, and the existing linear motor cannot meet the requirement, so that the electromagnetic suspension technology has good shock absorption effect, but cannot be produced and sold in batches.
One of the reasons that the prior art cannot be produced and sold in batches is that the motor used in the shock absorber is low in power density and heavy in weight, so that unsprung mass is large, and an automobile cannot run stably.
Therefore, there is a need to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a longe-lived, effectual and the low facilitate promotion's of cost automobile body electromagnetic shock absorber of effective reduction unsprung mass of shock attenuation.
The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a vehicle body electromagnetic shock absorber for effectively reducing unsprung mass, which comprises a spring hydraulic shock absorber, a shock absorption gear, a rack and a motor, wherein the spring hydraulic shock absorber is connected with a vehicle body and a wheel; the motor is connected with a vehicle-mounted control system, the spring hydraulic shock absorber is connected with a speed sensor for monitoring the upward or downward movement speed of the wheel, and the speed sensor is connected with the vehicle-mounted control system; the speed sensor monitors the upward or downward movement speed of the wheel and transmits information to the vehicle-mounted control system, and the vehicle-mounted control system controls the motor to operate according to the movement speed information of the wheel so as to control the rotating linear speed of the damping gear and drive the damping gear to be meshed with the rack for transmission, so that an acting force opposite to that of the wheel is generated.
The electric motor comprises a needle gear fixed on the shell, a cycloid wheel in internal gearing transmission with the needle gear and a connecting shaft, wherein one end of the connecting shaft is connected with an output shaft of the needle gear, the other end of the connecting shaft is connected with the cycloid wheel, needle teeth are arranged on an inner gear ring of the needle gear, cycloid teeth are arranged on an outer ring of the cycloid wheel, electromagnets are arranged on two sides of teeth of the needle teeth, grooves are formed in the teeth of the cycloid teeth, and permanent magnets are arranged in the grooves; when the needle teeth are meshed with the cycloid teeth, the magnetism and the magnetic poles of the needle tooth electromagnets are changed to enable the opposite teeth to attract or repel each other to generate magnetic force to drive the cycloid wheel to revolve around the central shaft of the needle gear while rotating, and meanwhile, the connecting shaft is driven to rotate and converts the rotation of the cycloid wheel into output shaft power.
Preferably, the grooves are V-shaped grooves which are uniformly distributed on the cycloid wheel and correspond to the cycloid teeth, and linear permanent magnets are arranged in the grooves on two sides of each V-shaped groove.
Furthermore, the groove is a linear groove which is uniformly distributed on the cycloid wheel and corresponds to the cycloid teeth, and a linear permanent magnet is arranged in the linear groove.
Furthermore, the groove is a tile-shaped groove which is uniformly distributed on the cycloid wheel and corresponds to the cycloid teeth, and a tile-shaped permanent magnet is arranged in the tile-shaped groove.
Preferably, the pin gear comprises a pin gear mechanical layer and a pin gear magnet layer axially and fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer axially and fixedly connected with the cycloid mechanical layer and convenient for the arrangement of a permanent magnet, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer; the cycloid magnet layer is formed by superposing and extruding silicon steel sheets, and the groove is positioned in the cycloid magnet layer.
Furthermore, be connected with the controller that is used for controlling the magnetism and the magnetic pole of electro-magnet on the electro-magnet, this controller is connected with the angle sensor who is used for gathering cycloid wheel turned angle, and the controller is according to the angle information control electro-magnet that angle sensor gathered.
The needle gear is fixed on the shell, the cycloid wheel is in internal meshing transmission with the needle gear, and the connecting shaft is connected with the output shaft of the needle gear at one end and the cycloid wheel at the other end; when the needle teeth are just meshed with the current teeth of the cycloid teeth, the electromagnet corresponding to the needle teeth side is electrified to enable the current teeth of the cycloid teeth to rotate towards the direction with the minimum magnetic resistance until the needle teeth are completely meshed with the current teeth of the cycloid teeth, so that the cycloid wheel is driven to revolve around the central shaft of the needle gear while continuously rotating, the connecting shaft is driven to rotate, and the connecting shaft converts the rotation of the cycloid wheel into output shaft power.
Preferably, the pin gear comprises a pin gear mechanical layer and a pin gear magnet layer axially and fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer axially and fixedly connected with the cycloid mechanical layer, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer; the cycloid magnet layer is a magnetic conduction structure formed by superposing and extruding silicon steel sheets, and magnetic conduction teeth are formed.
And moreover, a controller for controlling the power on and off of the electromagnet is connected to the electromagnet, the controller is connected with an angle sensor for collecting the rotation angle of the cycloid wheel, and the controller controls the power on and off of the electromagnet according to angle information collected by the angle sensor.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model adopts the motor to drive the damping gear and the rack to mesh and drive, and generates an acting force opposite to the wheel to offset the wheel vibration; the shock absorption mode of the utility model has the advantages of fast response speed, good shock absorption effect, low cost and convenient popularization; the utility model has the advantages that the motor and the damping gear are arranged on the vehicle body, and the rack is arranged on the wheel, thereby greatly reducing unsprung mass and enabling the vehicle to run more stably;
(2) the utility model discloses a stator adopts the needle gear, and the rotor adopts the cycloid wheel with needle gear internal gearing transmission, and the driving medium is the connecting shaft, sets up the electro-magnet on the needle gear, embeds the permanent magnet on the tooth of cycloid wheel, and the controller is according to the magnetic pole and the magnetism of cycloid wheel turned angle information control electro-magnet, drives the cycloid wheel and rotates and mesh with the needle gear mutually, revolves around needle gear center pin when the cycloid wheel rotation, drives the connecting shaft rotation simultaneously, and the connecting shaft turns into output shaft power with the rotation of cycloid wheel; the transmission part of the utility model has the speed reduction function, and almost no energy loss is generated in the speed reduction process; secondly, the permanent magnet of the utility model has simple shape and is easier to process, which is convenient for the popularization and application of the motor; furthermore, compared with the traditional motor, the motor of the utility model has the advantages that the magnetic poles of the traditional motor are staggered, and the magnetic poles of the motor are opposite, so that the electromagnetic force which is several times of the original electromagnetic force can be generated under the same condition, and the torque and the power of the motor are greatly improved; meanwhile, because the current required for generating the same electromagnetic force is smaller, the utility model can reduce the heat loss of the motor and improve the efficiency of the motor; the motor of the utility model has high power density, and the self weight of the motor can be greatly reduced under the same condition, so that the motor can be applied to the automobile damping field;
(3) the utility model discloses a stator adopts the pin gear, the rotor adopts the cycloid wheel with pin gear internal gearing transmission, the driving medium is the connecting shaft, set up the electro-magnet on the pin gear, the cycloid tooth is established to lead the magnetic tooth, when the pin tooth just engaged with the current tooth of cycloid tooth, through the electro-magnet circular telegram for corresponding pin tooth side make the current tooth of cycloid tooth rotate towards the minimum direction of magnetic resistance until the pin tooth completely engages with the current tooth of cycloid tooth, thereby the revolution around pin gear center pin when driving the cycloid wheel and continuing the rotation, drive the connecting shaft simultaneously and rotate, the connecting shaft turns into output shaft power with the rotation of cycloid wheel; the working principle of the utility model follows the principle of minimum magnetic resistance-the magnetic flux is always closed along the path of minimum magnetic resistance, and tangential tension can be generated along with the distortion of the magnetic field to promote the rotation of the motor; the permanent magnet in the rotor is eliminated, the cost is reduced, and the problem of permanent magnet demagnetization caused by the rise of the long-time working temperature of the motor is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a needle gear and a cycloid gear in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a needle gear and a cycloid gear in embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a needle gear and a cycloid gear in embodiment 3 of the present invention;
FIG. 5 is a schematic view of the connection between the middle needle gear and the cycloid gear of the present invention;
fig. 6 is a schematic structural view of a needle gear and a cycloid gear in embodiment 4 of the present invention;
fig. 7 to 9 are schematic diagrams of the movement states of the needle gear and the cycloid gear in embodiment 4 of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in figure 1, the utility model discloses effectively reduce automobile body electromagnetic shock absorber of unsprung mass, including automobile body 5, wheel 6, shaft 7, rack 8, damper gear 9, motor, spring hydraulic shock absorber and connecting rod 10. The spring hydraulic damper is used for connecting a vehicle body and wheels, the wheels move upwards or downwards to generate an upward or downward force on the vehicle body through the spring hydraulic damper, the spring hydraulic damper comprises a spring 11 and a hydraulic cylinder 12, one end of the spring 11 is fixedly connected with a cylinder body of the hydraulic cylinder 12, the other end of the spring 11 is fixedly connected with the vehicle body 5, and the cylinder body of the hydraulic cylinder 12 is connected with a wheel shaft 7 of the wheels 5. A gear rack 8 is fixedly connected to a wheel shaft 7 of the wheel 5, and the vehicle body 5 is fixedly connected with a central shaft of a damping gear 9 through a connecting rod 10. The motor is fixedly connected with the vehicle body 5, an output shaft of the motor is connected with a central shaft of the damping gear 9 and used for driving the damping gear 9 to rotate, and the damping gear 9 is driven by the motor to rotate and is meshed with the rack 8 and moves up and down along the rack 8.
The motor of the utility model is connected with the vehicle-mounted control system, the spring hydraulic damper is connected with a speed sensor for monitoring the upward or downward movement speed of the wheel, and the speed sensor is connected with the vehicle-mounted control system; the speed sensor monitors the upward or downward movement speed of the wheel and transmits information to the vehicle-mounted control system, and the vehicle-mounted control system controls the motor to operate according to the movement speed information of the wheel so as to control the rotating linear speed of the damping gear and drive the damping gear to be meshed with the rack for transmission, so that an acting force opposite to that of the wheel is generated.
Taking the upward movement of the wheels as an example, the upward movement of the wheels generates an upward force on the vehicle body through the spring hydraulic damper, and the motor applies a torque to the coaxially connected damping gear in real time and transmits the torque to the vehicle body through the linear rack to form a force with equal magnitude and opposite direction, so that the stability of the vehicle body is maintained. The specific working process is that the wheel moves upwards as an example, when the wheel moves upwards, the spring hydraulic damper is compressed through the spring hydraulic damper, an upward force is applied to a vehicle body, the motion parameters of the wheel are monitored in real time, the force is accurately calculated, a proper current value is calculated in real time according to the force and is transmitted to the motor, so that torque is generated and transmitted to the damping gear coaxially connected with the motor, and a force with the same size and the opposite direction is generated on the vehicle body through the linear rack meshed with the damping gear, so that the vehicle body is kept stable. Calculating the formula: v is ω R, V is the upward movement speed of the wheel, ω is the rotation angular speed of the damper gear, R is the radius of the damper gear, ω R is the rotation linear speed of the damper gear, and V is ω R, so that the vehicle body can be ensured to be stable when the wheel moves upward; the same principle applies when the wheel moves downwards. The utility model discloses well motor and shock attenuation gear are located the automobile body, and the rack is located the wheel, greatly reduced unsprung mass, make the car go more steady.
As shown in fig. 2, the motor in embodiment 1 includes a stator and a rotor, the stator is a pin gear 1 fixed on the housing, the rotor is a cycloidal gear 2 in internal gearing with the pin gear 1, one end of a coupling shaft 3 is connected with an output shaft of the pin gear 1, and the other end is connected with the cycloidal gear 2. The inner ring gear of the pin gear 1 is provided with pin teeth 101, the outer ring gear of the cycloidal gear 2 is provided with cycloidal teeth 201, and the pin teeth 101 can be in inner gearing transmission with the cycloidal teeth 201. An output shaft 4 is coaxially arranged on a central shaft of the pin gear 1, splines are uniformly distributed at two ends of a connecting shaft 3, a right spline is connected with an inner hole spline of the cycloid wheel 2, and a left spline is connected with an inner hole spline of the output shaft 4, as shown in figure 5. The utility model discloses a tooth both sides of pin tooth 101 have the electro-magnet, and the tooth both sides of cycloid tooth 201 have built-in permanent magnet, the utility model discloses when well pin tooth and cycloid tooth meshing, make relative tooth inhale mutually or repel each other around the revolution of pin gear center pin when producing the rotation of magnetic drive cycloid wheel through magnetism and the magnetic pole that changes the pin tooth electro-magnet, drive the coupling shaft simultaneously and rotate, the coupling shaft turns into output shaft power with the rotation of cycloid wheel.
In this embodiment 1, the needle gear 1 includes a needle tooth mechanical layer and a needle tooth magnet layer axially and fixedly connected to the needle tooth mechanical layer, that is, the needle ring gear of the needle gear 1 is a mechanical layer structure, and the needle tooth 101 is a magnet layer structure. The cycloid wheel 2 comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, namely, a cycloid gear ring is in a mechanical layer structure, and cycloid teeth 201 are in a magnet layer structure. The needle gear ring is meshed with the cycloid gear ring to achieve radial fixation, the needle teeth 101 are approximately meshed with the cycloid teeth 201, an air gap is arranged between the needle teeth and the cycloid teeth, and magnets generate magnetic force mutually to drive the cycloid wheel to rotate during meshing. The magnetic layer structure of the pin gear 101 can be a hollow gear, and electromagnets are filled inside two sides of the hollow gear; or the teeth are solid structures, and the two sides of the teeth of the solid structures are fixedly connected with electromagnets. The magnet layer structure of the cycloid tooth 201 is formed by laminating and extruding magnetic conduction pieces, wherein the magnetic conduction pieces can be made of silicon steel sheets. The cycloid magnet layer structure is internally provided with a groove for placing a permanent magnet. The grooves are V-shaped grooves 202 which are uniformly distributed on the cycloid wheel and correspond to the cycloid teeth, the openings of the V-shaped grooves 202 face the pin gear, and linear permanent magnets 205 are arranged in the grooves on the two sides of each V-shaped groove. The utility model discloses the tooth both sides of pin tooth 101 have the electro-magnet can change magnetism and magnetic pole, and through the magnetism and the magnetic pole of control electro-magnet, the electro-magnet that makes relative pin tooth 101 and cycloid tooth 201's permanent magnet attract mutually or repel mutually and produce magnetic force drive cycloid wheel and rotate. The electromagnet is connected with a controller used for controlling the magnetism and the magnetic pole of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the electromagnet according to angle information collected by the angle sensor. The utility model discloses when well needle tooth and cycloid tooth meshing, around the revolution of needle gear center pin when making relative tooth inhale mutually or repel each other and produce magnetic drive cycloid wheel rotation through magnetism and the magnetic pole that changes the needle tooth electro-magnet, drive the coupling shaft simultaneously and rotate, the coupling shaft turns into output shaft power with the rotation of cycloid wheel.
The utility model discloses in when pin tooth 101 and cycloid tooth 201 mesh, angle sensor will gather the turned angle information transmission of cycloid wheel 2 to the controller, the controller is according to the magnetism and the magnetic pole of angle information control electro-magnet, make pin gear 1 and cycloid wheel 2 go up relative tooth inhale mutually or repel each other produce magnetic force drive cycloid wheel 2 around the revolution of pin gear 1 center pin when its central axis rotation, drive coupling shaft 3 simultaneously and rotate, coupling shaft 3 turns into output shaft 4 power with the rotation of cycloid wheel 2. Except the concrete structure of cycloid wheel and pin gear, the utility model discloses an electric motor is similar with all the other structures, the principle of current cycloid hydraulic motor.
Example 2
As shown in fig. 3, embodiment 2 has the same structure as embodiment 1 except that: the magnet layer structure of the cycloid tooth 201 is formed by laminating and extruding magnetic conduction pieces, wherein the magnetic conduction pieces can be made of silicon steel sheets. The cycloid magnet layer structure is internally provided with a groove for placing a permanent magnet. The grooves are straight grooves 203 which are uniformly distributed on the cycloid wheel and correspond to the cycloid teeth, and a straight permanent magnet 205 is arranged in the straight grooves 203.
Example 3
As shown in fig. 4, embodiment 3 has the same structure as embodiment 1 except that: the magnet layer structure of the cycloid tooth 201 is formed by laminating and extruding magnetic conduction pieces, wherein the magnetic conduction pieces can be made of silicon steel sheets. The cycloid magnet layer structure is internally provided with a groove for placing a permanent magnet. The grooves are tile-shaped grooves 204 which are uniformly distributed on the cycloid wheel and correspond to the cycloid teeth, and tile-shaped permanent magnets 206 are arranged in the tile-shaped grooves 204.
Example 4
Example 4 is identical in structure to example 1, except that: as shown in fig. 6, the motor includes a stator and a rotor, the stator is a needle gear 1 fixed on the housing, the rotor is a cycloidal gear 2 in mesh transmission with the needle gear 1, one end of a coupling shaft 3 is connected with an output shaft of the needle gear 1, and the other end is connected with the cycloidal gear 2. The inner ring gear of the pin gear 1 is provided with pin teeth 101, the outer ring gear of the cycloidal gear 2 is provided with cycloidal teeth 201, and the pin teeth 101 can be in inner gearing transmission with the cycloidal teeth 201. An output shaft 4 is coaxially arranged on a central shaft of the pin gear 1, splines are uniformly distributed at two ends of a connecting shaft 3, a right spline is connected with an inner hole spline of the cycloid wheel 2, and a left spline is connected with an inner hole spline of the output shaft 4, as shown in figure 5.
The utility model discloses a tooth both sides of pin tooth 101 have the electro-magnet, and the cycloid tooth is for leading magnetic tooth, the utility model discloses when well pin tooth just engaged with the current tooth of cycloid tooth, make the current tooth of cycloid tooth rotate until the current tooth of pin tooth and cycloid tooth meshes completely towards the minimum direction of magnetic resistance through the electro-magnet circular telegram for corresponding the pin tooth side to around the revolution of pin gear center pin when drive cycloid wheel lasts the rotation, drive the coupling shaft simultaneously and rotate, the coupling shaft turns into output shaft power with the rotation of cycloid wheel.
The utility model discloses well needle gear 1 includes needle tooth mechanical layer and the needle tooth magnet layer that links firmly with needle tooth mechanical layer axial, and the needle ring gear of needle gear 1 is mechanical layer structure promptly, and needle tooth 101 is needle tooth magnet layer. The cycloid wheel 2 comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, namely, a cycloid gear ring is in a mechanical layer structure, and cycloid teeth 201 are cycloid magnet layers. The needle gear ring is meshed with the cycloid gear ring to achieve radial fixation, the needle teeth 101 are approximately meshed with the cycloid teeth 201, an air gap is arranged between the needle teeth and the cycloid teeth, and magnets generate magnetic force mutually to drive the cycloid wheel to rotate during meshing. The magnetic layer structure of the pin gear 101 can be a hollow gear, and electromagnets are filled inside two sides of the hollow gear; or the teeth are solid structures, and the two sides of the teeth of the solid structures are fixedly connected with electromagnets. The magnet layer structure of the cycloid tooth 201 is a magnetic conduction structure formed by superposing and extruding magnetic conduction pieces, and magnetic conduction teeth are formed, wherein the magnetic conduction pieces can be made of silicon steel sheets.
The utility model discloses but the tooth both sides of pin tooth 101 have the electro-magnet break-make electric control magnetic state that leads to, make the current tooth of cycloid tooth rotate until the current tooth intermeshing of pin tooth and cycloid tooth towards the minimum direction of magnetic resistance through the electro-magnet circular telegram for corresponding the pin tooth side to the drive cycloid wheel lasts the rotation. The electromagnet is connected with a controller used for controlling the on-off state of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the on-off state of the electromagnet according to angle information collected by the angle sensor.
As shown in fig. 7, when the current tooth C of the cycloid tooth 201 just rotates between the current tooth a and the current tooth B of the pin tooth 101, the angle sensor transmits the rotation angle information of the current tooth of the cycloid tooth 201 to the controller, the controller energizes the side electromagnets (shown in a shaded part) of the current tooth A and the current tooth B of the pin tooth 101, and the current tooth C of the cycloid tooth 201 can rotate clockwise in the direction of minimum magnetic resistance because the magnetic resistance is minimum when the current tooth C of the cycloid tooth 201 is completely meshed with the current tooth A and the current tooth B of the pin tooth 101, turning thus to the position of fig. 8, and further to the position of fig. 9, until the current tooth C of the cycloid tooth 201 is fully engaged with the current teeth a and B of the pin tooth 101 to minimize the magnetic resistance, thereby driving the cycloid gear 2 to revolve around the central shaft of the needle gear 1 while continuously rotating, and simultaneously driving the connecting shaft 3 to rotate, and the connecting shaft 3 converts the rotation of the cycloid gear 2 into the power of the output shaft 4; at this time, the electromagnets (shown in a shaded part) on the tooth sides of the current tooth A and the current tooth B of the pin tooth 101 are powered off, and the current tooth is in the working process of figures 7 to 9 for the planetary gear type switched reluctance motor at any moment, so that the planetary gear motor can be ensured to continuously rotate; the working principle of the utility model follows the principle of minimum magnetic resistance-the magnetic flux is always closed along the path of minimum magnetic resistance, and the tangential tension can be generated along with the distortion of the magnetic field, so that the motor rotates.
Except the concrete structure and the rotation principle of cycloid wheel and needle gear, the utility model discloses an electric motor is similar with all the other structures, the principle of current cycloid hydraulic motor.
Claims (10)
1. The utility model provides an effectively reduce automobile body electromagnetic shock absorber of unsprung mass which characterized in that: the hydraulic shock absorber comprises a spring hydraulic shock absorber connected with a vehicle body and wheels, a shock absorption gear fixedly connected to the vehicle body, a rack in meshing transmission with the shock absorption gear and fixedly connected to a wheel shaft of the wheels, and a motor for driving the shock absorption gear to rotate; the motor is connected with a vehicle-mounted control system, the spring hydraulic shock absorber is connected with a speed sensor for monitoring the upward or downward movement speed of the wheel, and the speed sensor is connected with the vehicle-mounted control system; the speed sensor monitors the upward or downward movement speed of the wheel and transmits information to the vehicle-mounted control system, and the vehicle-mounted control system controls the motor to operate according to the movement speed information of the wheel so as to control the rotating linear speed of the damping gear and drive the damping gear to be meshed with the rack for transmission, so that an acting force opposite to that of the wheel is generated.
2. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 1 wherein: the electric motor comprises a needle gear fixed on the shell, a cycloid wheel in internal gearing transmission with the needle gear and a connecting shaft, wherein one end of the connecting shaft is connected with an output shaft of the needle gear, the other end of the connecting shaft is connected with the cycloid wheel, needle teeth are arranged on an inner gear ring of the needle gear, cycloid teeth are arranged on an outer ring of the cycloid wheel, electromagnets are arranged on two sides of teeth of the needle teeth, grooves are formed in the teeth of the cycloid teeth, and permanent magnets are arranged in the grooves; when the needle teeth are meshed with the cycloid teeth, the magnetism and the magnetic poles of the needle tooth electromagnets are changed to enable the opposite teeth to attract or repel each other to generate magnetic force to drive the cycloid wheel to revolve around the central shaft of the needle gear while rotating, and meanwhile, the connecting shaft is driven to rotate and converts the rotation of the cycloid wheel into output shaft power.
3. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 2 wherein: the groove is a V-shaped groove which is uniformly distributed on the cycloid wheel and corresponds to the cycloid teeth, and linear permanent magnets are arranged in grooves on two sides of the V-shaped groove.
4. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 2 wherein: the groove is a linear groove which is uniformly distributed on the cycloid wheel and corresponds to the cycloid teeth, and a linear permanent magnet is arranged in the linear groove.
5. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 2 wherein: the groove is a tile-shaped groove which is uniformly distributed on the cycloid wheel and corresponds to the cycloid teeth, and a tile-shaped permanent magnet is arranged in the tile-shaped groove.
6. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 2 wherein: the pin gear comprises a pin gear mechanical layer and a pin gear magnet layer which is axially fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer which is axially fixedly connected with the cycloid mechanical layer and is convenient for the arrangement of a permanent magnet, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer; the cycloid magnet layer is formed by superposing and extruding silicon steel sheets, and the groove is positioned in the cycloid magnet layer.
7. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 2 wherein: the electromagnet is connected with a controller used for controlling the magnetism and the magnetic pole of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the electromagnet according to angle information collected by the angle sensor.
8. The effective unsprung mass reducing vehicle body electromagnetic absorber according to claim 1 wherein: the motor comprises a needle gear fixed on the shell, a cycloid wheel in internal gearing transmission with the needle gear and a connecting shaft, wherein one end of the connecting shaft is connected with an output shaft of the needle gear, the other end of the connecting shaft is connected with the cycloid wheel, needle teeth are arranged on an inner gear ring of the needle gear, cycloid teeth are arranged on an outer ring of the cycloid wheel, electromagnets are arranged on two sides of the teeth of the needle teeth, and the cycloid teeth are magnetic guide teeth; when the needle teeth are just meshed with the current teeth of the cycloid teeth, the electromagnet corresponding to the needle teeth side is electrified to enable the current teeth of the cycloid teeth to rotate towards the direction with the minimum magnetic resistance until the needle teeth are completely meshed with the current teeth of the cycloid teeth, so that the cycloid wheel is driven to revolve around the central shaft of the needle gear while continuously rotating, the connecting shaft is driven to rotate, and the connecting shaft converts the rotation of the cycloid wheel into output shaft power.
9. The effective unsprung mass reducing vehicle body electromagnetic absorber of claim 8 wherein: the pin gear comprises a pin gear mechanical layer and a pin gear magnet layer which is axially and fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer; the cycloid magnet layer is a magnetic conduction structure formed by superposing and extruding silicon steel sheets, and magnetic conduction teeth are formed.
10. The effective unsprung mass reducing vehicle body electromagnetic absorber of claim 8 wherein: the electromagnet is connected with a controller used for controlling the power-on and power-off of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the power-on and power-off of the electromagnet according to angle information collected by the angle sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178595.XU CN214564445U (en) | 2020-12-25 | 2020-12-25 | Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178595.XU CN214564445U (en) | 2020-12-25 | 2020-12-25 | Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214564445U true CN214564445U (en) | 2021-11-02 |
Family
ID=78366817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023178595.XU Active CN214564445U (en) | 2020-12-25 | 2020-12-25 | Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214564445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613951A (en) * | 2023-07-17 | 2023-08-18 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
-
2020
- 2020-12-25 CN CN202023178595.XU patent/CN214564445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613951A (en) * | 2023-07-17 | 2023-08-18 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
| CN116613951B (en) * | 2023-07-17 | 2024-01-16 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105346410B (en) | Double-motor power drive assembly | |
| WO2020057322A1 (en) | Electromagnetic shock absorber employing enhanced electric motor using planetary gear | |
| MX2008005224A (en) | Brushless permanent magnet motor/ generator with axial rotor decoupling to eliminate magnet induced torque losses. | |
| CN101789667A (en) | Outer-rotor composite permanent-magnetic brushless in-wheel motor of electric vehicle | |
| CN214564445U (en) | Vehicle body electromagnetic shock absorber capable of effectively reducing unsprung mass | |
| WO2022160426A1 (en) | Dual-rotor hub motor based on axial magnetic field and control method therefor | |
| WO2019128207A1 (en) | Active suspension system, vibration damper and vibration damping component | |
| US11817756B2 (en) | Enhanced electric motor using planetary gear | |
| CN111572331B (en) | Electric wheel magneto-rheological torsion damper | |
| CN100592603C (en) | Compound permanent magnetic electromotor for axis radial -axis radial magnetic pass structure | |
| CN105391202A (en) | Stator electro-magnetic vernier motor | |
| CN205178681U (en) | Stator electricity excitation vernier motor | |
| CN107933300A (en) | A kind of electric automobile coaxial-type In-wheel motor driving system synthesis | |
| CN110714997B (en) | Wheel motor driver integrating magnetic fluid brake | |
| CN212012387U (en) | Compact planetary gear differential speed reduction motor | |
| CN214045200U (en) | Planetary gear type switch reluctance motor | |
| CN103490555B (en) | A kind of single eccentric shaft formula engagement motor | |
| CN105090280B (en) | Can mechanical locking magnetic powder cluth | |
| CN214045318U (en) | Built-in planetary gear motor | |
| CN203554183U (en) | Single eccentric shaft type meshed motor | |
| CN207218456U (en) | A kind of drive mechanism between the driving wheel and brushless electric machine of electric wheelchair | |
| CN102361380B (en) | Transverse-radial magnetic flux structure brushless combined type permanent magnet motor | |
| CN211662999U (en) | Novel rear axle of electric vehicle | |
| CN211655865U (en) | Permanent magnet rotor assembly structure of motor with double output shafts | |
| CN114516268A (en) | Transverse driving assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |