CN110323893A - A kind of electric system based on dynamic control - Google Patents

Abstract

The invention discloses a kind of electric systems based on dynamic control, and for the internal perisporium of stator ring with percardium in the periphery of rotor windings, the second end of stator ring is provided with the first output interface；Stator winding is fixed on the internal perisporium of stator ring；Internal gear disc is co-axially located at rotor windings second end, and stator ring is set on internal gear disc periphery wall by the rotation of the second through-hole；Planetary gear is engaged between internal gear disc internal perisporium and armature spindle second end periphery wall, and the second output interface is provided in internal gear disc outer end wall；First linkage block inner end selectively card, which is set, to be fixed in bayonet；Second linkage block inner end is provided with latch, and an internal spline is opened up on the stator ring periphery wall of corresponding position, and latch selectively card, which is set, to be fixed in internal spline.Revolving speed washability is provided for client, so that the output revolving speed adjustable extent of servo motor is wider, revolving speed output is accurate higher, and the revolving speed controllability of servo motor is stronger.

Description

A motor system based on dynamic control

technical field

The invention relates to the technical field of servo motors, and more specifically, the invention relates to a dynamic control-based motor system.

Background technique

The servo motor can control the speed and position accuracy very accurately, and can convert the voltage signal into torque and speed to drive the control object. The rotor speed of the servo motor is controlled by the input signal and can respond quickly. In the automatic control system, it is used as an actuator, and has the characteristics of small electromechanical time constant, high linearity, and starting voltage. It can convert the received electrical signal Converted to angular displacement or angular velocity output on the motor shaft. Therefore, the servo motor can be widely used in various technical fields.

But at present, the output speed of the servo motor needs to be controlled by the excitation signal, and then output after being decelerated by the reducer, and the speed cannot be adjusted directly through the integrated output mechanism, nor can it provide the selectivity of different speed output ratios.

Contents of the invention

It is an object of the present invention to solve at least the above-mentioned problems and to provide at least the advantages which will be described later.

Another object of the present invention is to provide a motor system based on dynamic control. The present invention integrates a speed adjustment mechanism at the output end of the servo motor, so that the servo motor can output two speeds, high speed and low speed, according to the needs of the application environment. Which speed output to choose provides customers with optional speed, which makes the output speed of the servo motor adjustable in a wider range, the speed output is more accurate, and the speed of the servo motor is more controllable.

In order to achieve these objects and other advantages according to the present invention, a dynamic control based motor system is provided, comprising:

The shell is a structure with two ends open, the shell is provided with a cylindrical cavity, the opening of the first end of the shell is closed with an end cap, and a first through hole is opened in the center of the end cap, and the The outer periphery of the end cap is closed with a cover;

A rotor shaft, which is rotatably arranged at the center of the housing shaft, the outer periphery of the first end of the rotor shaft is rotatably mounted in the first through hole through a first bearing, and the rotor shaft is selectively fixed on the outer cover ;

a rotor winding, which is fixed on the shaft body of the rotor shaft, and the rotor winding and the rotor shaft rotate synchronously in the housing;

The stator wheel has a second through hole in the center of its shaft, the stator wheel is arranged inside the housing, the inner peripheral wall of the stator wheel concentrically wraps around the outer periphery of the rotor winding, the second of the stator wheel The end is provided with a first output interface, and the stator wheel is selectively fixed on the housing;

Stator windings, which are fixed on the inner peripheral wall of the stator wheel, and the stator windings are coaxially spaced from the rotor windings; and

An inner toothed disc, which is coaxially arranged at the second end of the rotor winding, and the inner toothed disc is coaxially located inside the stator wheel, and the second end of the rotor shaft is enveloped by the inner toothed disc The center position of the shaft, and the rotor shaft is spaced from the inner toothed disc, the stator wheel is rotatably sleeved on the outer peripheral wall of the inner toothed disc through the second through hole, and the inner peripheral wall of the stator wheel is connected to the outer peripheral wall of the inner toothed disc The outer peripheral wall of the inner toothed disc is rotated and installed through the second bearing; the outer circumference of the inner toothed disc base is provided with several planetary gears at intervals, and the planetary gears are engaged with the inner peripheral wall of the inner toothed disc and the second rotor shaft. Between the end peripheral walls, a second output interface is provided on the outer end wall of the inner gear disc.

Preferably, the outer periphery of the end cover and the outer periphery of the housing are fixed on the opening end wall of the first end of the casing by bolts in turn, and the first end of the rotor shaft is enveloped in the housing.

Preferably, a first limiting platform is arranged on the shaft body of the first end of the rotor shaft, a snap ring is fixedly sleeved on the first end of the rotor shaft, and the first bearing is limited by the snap ring at the above the first limit platform.

Preferably, a first annular guide rail groove is opened on the outer peripheral wall of the stator wheel, and a first annular guide block protrudes from the inner peripheral wall of the housing at a corresponding position, and the first annular guide block is embedded in the In the first annular guide rail groove, the outer peripheral wall of the stator wheel rotates on the inner peripheral wall of the housing through the first annular guide rail groove and the first annular guide block.

Preferably, an annular positioning groove is defined on the inner peripheral wall of the second through hole, and the second bearing is limitedly installed in the annular positioning groove.

Preferably, the stator wheel includes a chassis and a peripheral wall arranged on the outer periphery of the first end wall of the chassis, the first output interface is arranged on the second end wall of the chassis, and the rotor winding is installed on the peripheral wall On the inner side wall of the chassis, the second through hole is opened in the center of the chassis shaft, the outer diameter of the chassis is smaller than the outer diameter of the peripheral wall, the inner diameter of the chassis is smaller than the inner diameter of the peripheral wall, and the shell A limit ring body protrudes from the inner peripheral wall of the second end of the body, and the chassis is coaxially installed inside the limit ring body. A second annular guide rail groove is opened on the outer peripheral wall of the chassis. A second annular guide block protrudes from the inner peripheral wall of the limiting ring, and the second annular guide block is embedded in the second annular guide rail groove, and the outer peripheral wall of the chassis passes through the second annular guide rail groove and the second annular guide rail groove. The second annular guide block rotates on the inner peripheral wall of the limiting ring.

Preferably, a plurality of rotating shafts are arranged at intervals on the outer periphery of the base of the inner toothed disc, the planetary gears are rotated on the rotating shafts, an outer ring gear is arranged on the outer periphery of the second end of the rotor shaft, and the inner toothed disc An inner ring gear is arranged on the inner peripheral wall, and the planetary gear is engaged between the outer ring gear and the inner ring gear.

Preferably, a first linkage block is axially telescopically arranged on the center of the outer cover shaft, a bayonet opening is provided on the first end wall of the rotor shaft at a corresponding position, and the inner end of the first linkage block is provided with a second One tooth, the second tooth is correspondingly arranged in the bayonet, the inner end of the first linkage block is selectively locked and fixed in the second tooth in the bayonet through the first tooth Above; the first linkage piece rotates through the center of the outer cover, and the first linkage piece is axially telescopic at the center of the outer cover.

Preferably, a second linkage block is radially and telescopically arranged on the housing, and an inner tooth groove is provided on the outer peripheral wall of the stator wheel at a corresponding position, and a locking tooth is provided at the inner end of the second linkage block. The second linkage block is selectively clamped and fixed in the internal tooth groove by the locking teeth.

Preferably, the axial second end wall of the chassis is flush with the outer end wall of the inner toothed disc and protrudes outward for a certain distance beyond the second end of the housing.

The present invention at least includes the following beneficial effects:

1. The servo motor of the present invention is equipped with high-speed and low-speed output speeds, and has a wider application range;

2. It can be directly connected with high-speed shaft or low-speed shaft according to the needs of the use environment. It is easy to install and use, and the speed regulation is accurate and high.

Other advantages, objectives and features of the present invention will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Description of drawings

Figure 1 is a schematic diagram of the overall structure when the rotor shaft rotates;

Figure 2 is a schematic diagram of the overall structure of the stator when it rotates.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

As shown in FIGS. 1-2 , the present invention provides a motor system based on dynamic control, including a housing 100 , a rotor shaft 300 , a rotor winding 310 , a stator wheel 200 , a stator winding 210 and an inner sprocket 400 .

In this solution, the casing 100 is a structure with two ends open, and a cylindrical cavity is arranged inside the casing 100 to provide a rotating space for the rotation of the rotor shaft 300. The first axial end of the casing 100 is opened for An end cover 110 is closed, and a first through hole is opened in the center of the end cover 110 to reserve a space for the output of the rotor shaft 300 .

The rotor shaft 300 is rotatably arranged at the shaft center of the housing 100. The rotor shaft 300 can be a solid structure or a hollow structure. In this embodiment, both the rotor and the stator can rotate independently to output two rotational speeds, but the rotor and the stator Only one can rotate at the same time, that is, there can only be one output speed at the same time.

The outer periphery of the first axial end of the rotor shaft 300 is rotatably installed in the first through hole through the first bearing 111, so that the first axial end of the rotor shaft 300 rotates in the first through hole to stabilize the rotor shaft. 300 , the end cover 110 is installed to stabilize the rotor shaft 300 .

A first limiting platform is arranged on the shaft body of the first end of the rotor shaft 300, a snap ring 340 is fixedly sleeved on the first end of the rotor shaft 300, the first bearing 111 is installed on the first limiting platform, and then Install a snap ring 340 on the rotor shaft 300 at the first end in the axial direction of the first bearing 111, so that the first bearing 111 is limited by the snap ring 340 on the first limit platform, preventing the first bearing from 111 axial movement.

The rotor winding 310 is fixed on the shaft body of the rotor shaft 300, and the rotor winding 310 and the rotor shaft 300 rotate synchronously in the housing 100, and the rotor winding 310 and the rotor winding 310 can be driven by exciting the rotor winding 310. The rotor shaft 300 rotates synchronously, or drives the stator to rotate.

A second through hole is opened in the center of the axis of the stator wheel 200, and the stator wheel 200 is arranged as a barrel-shaped structure similar to openings at both ends. The second end of the stator wheel 200 is provided with a first output interface 201, and the device is fixed on the first output port On the interface 201, the device and the stator wheel 200 can be fixed. When the rotor is fixed and the stator rotates, the device and the stator wheel 200 can be driven to rotate synchronously by exciting the rotor winding 310. The output of the stator wheel 200 is a high-speed rotation speed.

The stator winding 210 is fixed on the inner peripheral wall of the stator wheel 200, and the stator winding 210 and the rotor winding 310 are coaxially spaced apart. In this embodiment, the permanent magnet selected for the stator winding 210 is enveloped in the rotor The outer circumference of the winding 310 , when the rotor winding 310 is excited, can drive the rotor winding 310 itself to rotate, or drive the permanent magnet and the entire stator wheel 200 to rotate.

The inner toothed disc 400 is coaxially arranged at the second end of the rotor winding 310, the inner toothed disc 400 is spaced from the second end of the rotor winding 310 by a certain distance, and the inner toothed disc 400 is coaxially located inside the stator wheel 200, so The second end of the rotor shaft 300 is enveloped at the shaft center of the inner toothed disc 400, and the rotor shaft 300 and the inner toothed disc 400 are also arranged at intervals instead of being directly connected. The stator wheel 200 The second through hole is rotatably sleeved on the outer peripheral wall of the inner toothed disc 400 , and the inner peripheral wall of the stator wheel 200 and the outer peripheral wall of the inner toothed disc 400 are rotatably installed through a second bearing 260 . Specifically, an annular positioning groove 250 is defined on the inner peripheral wall of the second through hole, and the second bearing 260 is limitedly installed in the annular positioning groove 250 to prevent axial movement of the second bearing 260 .

The stator wheel 200 is rotatably sleeved on the second bearing 260 through the second through hole, and the inner peripheral wall of the stator wheel 200 is concentrically wrapped around the outer periphery of the rotor winding 310 . Specifically, the stator wheel 200 includes a chassis and a peripheral wall disposed on the outer periphery of the first end wall of the chassis, and the first output interface 201 is disposed on the second end wall of the chassis for external connection and output. The rotor winding 310 is installed on the inner side wall of the circumferential wall, the second through hole is opened at the center of the chassis axis, the outer diameter of the chassis is smaller than the outer diameter of the circumferential wall, and the inner diameter of the chassis is Smaller than the inner diameter of the peripheral wall, a limiting ring protrudes from the inner peripheral wall of the second end of the housing 100, and the chassis is coaxially installed inside the limiting ring.

A plurality of planetary gears 420 are arranged at intervals on the outer periphery of the base of the inner toothed disc 400, and the planetary gears 420 are engaged between the inner peripheral wall of the inner toothed disc 400 and the outer peripheral wall of the second end of the rotor shaft 300. A second output interface 401 is provided on the outer end wall of 400 . Specifically, a plurality of rotation shafts 430 are arranged at intervals on the outer circumference of the base of the inner gear plate 400, the planetary gear 420 is rotated on the rotation shafts 430, and an outer ring gear is arranged on the outer peripheral wall of the second end of the rotor shaft 300. , the inner peripheral wall of the inner toothed disc 400 is provided with an inner ring gear, and the planetary gear 420 is engaged between the outer ring gear and the inner ring gear, so that the rotor shaft 300 and the inner toothed disc 400 are linked. When the rotor shaft 300 rotates and outputs to the outside, the rotor shaft 300 is decelerated by the planetary gear 420 and then output to the outside through the second output interface 401 on the outer end wall of the inner gear plate 400 . That is to say, the stator wheel 200 can output a high rotational speed, and the inner toothed disc 400 can output a decelerated low rotational speed, which provides customers with optional rotational speed and expands the application of the servo motor.

It can be seen that the present invention integrates a speed adjustment mechanism at the output end of the servo motor, so that the servo motor can output two kinds of speed, high speed and low speed, and choose which speed to output according to the needs of the application environment, providing customers with optional speed The stability makes the output speed of the servo motor adjustable in a wider range, the speed output is more accurate, and the speed of the servo motor is more controllable.

In order to achieve a rotational speed output of the rotor or stator, the outer periphery of the end cover 110 is closed with a cover 120, and a first linkage block 121 is arranged axially on the axis center of the cover 120, and the rotor shaft 300 at the corresponding position A bayonet opening 330 is defined on the first end wall, and the inner end of the first linkage block 121 is selectively engaged and fixed in the bayonet opening 330 . In this embodiment, the inner end of the first linkage block 121 is provided with first teeth, and the bayonet 330 is correspondingly provided with second teeth, and the inner end of the first linkage block 121 passes through the The first teeth are selectively clamped and fixed on the second teeth in the bayonet 330, so that the rotor shaft and the outer cover are fixed; the first linkage block 121 rotates through the center of the outer cover 120, and the The first linkage block 121 is axially telescopic at the center of the outer cover 120 , and the first linkage block 121 is controlled through axial expansion and contraction, so that the inner end of the first linkage block 121 is inserted into the bayonet 330 .

The housing 100 is provided with a second linkage block 130 radially expandable, and the inner end of the second linkage block 130 is provided with locking teeth, and an inner tooth groove 230 is opened on the outer peripheral wall of the stator wheel 200 at the corresponding position. The teeth are selectively locked and fixed in the inner tooth groove 230, and whether the teeth are fixed in the inner tooth groove 230 by controlling the second linkage block 130 through radial expansion and contraction can control whether the teeth are fixed in the inner tooth groove 230 to control the stator wheel Whether 200 is fixed.

In the above technical solution, the outer circumference of the end cover 110 and the outer circumference of the outer cover 120 are sequentially fixed on the first end opening end wall of the housing 100 by bolts, and the first end of the rotor shaft 300 is enveloped in the outer cover. Within 120.

The outer peripheral wall of the stator wheel 200 is provided with a first annular guide rail groove 220, and a first annular guide block 140 protrudes from the inner peripheral wall of the housing 100 at the corresponding position, and the first annular guide block 140 is embedded In the first annular guide groove 220 , the outer peripheral wall of the stator wheel 200 rotates on the inner peripheral wall of the housing 100 through the first annular guide groove 220 and the first annular guide block 140 .

A second annular guide rail groove 211 is opened on the outer peripheral wall of the chassis, and a second annular guide block 150 protrudes from the inner peripheral wall of the limit ring at the corresponding position, and the second annular guide block 150 is embedded in the In the second annular guide rail groove 211 , the outer peripheral wall of the chassis rotates on the inner peripheral wall of the limiting ring through the second annular guide rail groove 211 and the second annular guide block 150 .

The axial second end wall of the chassis is flush with the outer end wall of the inner gear plate 400 and protrudes outward by a certain distance from the second end of the housing 100 to facilitate external output connection.

As mentioned above, the servo motor of the present invention is equipped with high-speed and low-speed output speeds, and has a wider application range. At the same time, it can be directly connected to a high-speed shaft or a low-speed shaft according to the needs of the use environment, easy to install and use, and accurate speed regulation high.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. a kind of electric system based on dynamic control characterized by comprising shell is both ends open formula structure, described Cylindrical cavity is provided in shell, the first end opening of the shell is closed with an end cap, and the end cap central opens up one One through-hole, the end cap periphery are closed with an outer cover；Armature spindle is rotatably arranged on the shell axis center, the armature spindle First end periphery be rotatably installed in the first through hole by first bearing, the armature spindle is selectively fixed on described outer On cover；Rotor windings are fixed on the axle body of the armature spindle, and the rotor windings and the armature spindle are rotated synchronously in institute It states in shell；Stator ring, axis center offer the second through-hole, and the stator ring is arranged in the case inside, the stator For the internal perisporium of wheel with percardium in the periphery of the rotor windings, the second end of the stator ring is provided with the first output interface, The stator ring is selectively fixed on the housing；Stator winding is fixed on the internal perisporium of the stator ring, and described Stator winding and the rotor windings coaxial spaced are arranged；And internal gear disc, it is co-axially located at the rotor windings second end, And the internal gear disc is coaxially located on the inside of the stator ring, the second end of the armature spindle is by envelope in the axis of the internal gear disc Heart position, and the armature spindle and the internal gear disc interval are arranged, the stator ring is set in by second through-hole rotation On the internal gear disc periphery wall, and is rotated and pacified by second bearing between the stator ring internal perisporium and the internal gear disc periphery wall Dress；The internal gear disc base outer perimeter is arranged at intervals with several planetary gears, the planetary gear be engaged on the internal gear disc internal perisporium with Between the armature spindle second end periphery wall, the second output interface is provided in the internal gear disc outer end wall.

2. the electric system as described in claim 1 based on dynamic control, which is characterized in that outside the end cap periphery, outer cover It passes sequentially through bolt week to be fixed on the first end opening end wall of the shell, the first end of the armature spindle is by envelope described In outer cover.

3. the electric system as claimed in claim 2 based on dynamic control, which is characterized in that the axis of the armature spindle first end One first limiting stand is set with it, and fixation is arranged a snap ring in the armature spindle first end, and the first bearing is by the snap ring Limit is on first limiting stand.

4. the electric system as claimed in claim 3 based on dynamic control, which is characterized in that opened on the stator ring periphery wall Equipped with first annular guide-track groove, the shell internal perisporium of corresponding position, which protrudes above, is provided with first annular guide pad, described First annular guide pad is embedded in the first annular guide-track groove, and the stator ring periphery wall passes through the first annular guide rail Slot and the rotation of first annular guide pad are on the shell internal perisporium.

5. the electric system as claimed in claim 4 based on dynamic control, which is characterized in that on the second through-hole internal perisporium An annular positioning groove is opened up, the second bearing is installed in the annular positioning groove.

6. as claimed in claim 5 based on dynamic control electric system, which is characterized in that the stator ring include chassis and The circumferential wall of chassis the first end wall periphery is set, and first output interface is arranged on second end wall on the chassis, institute It states rotor windings to be mounted on the inner sidewall of the circumferential wall, second through-hole is provided with the chassis axis center, the bottom The outer diameter of disk is less than the outer diameter of the circumferential wall, and the internal diameter on the chassis is less than the internal diameter of the circumferential wall, the shell second End internal perisporium protrudes above one limit ring body of setting, and the chassis is coaxially mounted to side in the stop collar body, the chassis periphery The second ring-shaped guide rail slot is offered on wall, peripheral wall, which protrudes above, in the stop collar body of corresponding position is provided with the second annular and leads To block, the described second annular guide pad is embedded in the second ring-shaped guide rail slot, and the chassis periphery wall passes through described second Ring-shaped guide rail slot and the second annular guide pad rotate in the stop collar body on peripheral wall.

7. the electric system as claimed in claim 6 based on dynamic control, which is characterized in that between the internal gear disc base outer perimeter Every being provided with several rotation axis, the planetary gear is rotatably arranged in the rotation axis, and the second end periphery of the armature spindle is set Be equipped with an outer gear ring, be provided with ring gear on the internal perisporium of the internal gear disc, the planetary gear be engaged on the outer gear ring with it is interior Between gear ring.

8. the electric system as claimed in claim 7 based on dynamic control, which is characterized in that axial in the outer cover axis center It is flexible that one first linkage block is set, a bayonet, first linkage are opened up on the first end wall of the armature spindle of corresponding position The inside end of block is provided with the first teeth, and the second teeth, the inside of first linkage block are correspondingly arranged in the bayonet End is set in the second teeth being fixed in the bayonet by first teeth selectively card；The first linkage block rotation It is applied in the center of the outer cover, and first linkage block can axial stretching at the outer cover center.

9. the electric system as claimed in claim 8 based on dynamic control, which is characterized in that radial expansion is set on the shell It is equipped with the second linkage block, an internal spline, the second linkage block inside are opened up on the stator ring periphery wall of corresponding position End is provided with latch, and second linkage block is set by the latch selectively card and is fixed in the internal spline.

10. the electric system as claimed in claim 9 based on dynamic control, which is characterized in that axial the second of the chassis End wall is flushed with the internal gear disc outer end wall and is outwardly protruded in the second end of the housing certain distance.