WO2022237774A1

WO2022237774A1 - Motor system with precisely controllable output rotational speed

Info

Publication number: WO2022237774A1
Application number: PCT/CN2022/091955
Authority: WO
Inventors: 智鹏飞; 魏海峰; 王慧; 邱海洋; 朱琬璐
Original assignee: 江苏科技大学
Priority date: 2021-05-13
Filing date: 2022-05-10
Publication date: 2022-11-17
Also published as: CN113131668A; CN113131668B

Abstract

Provided is a motor system with a precisely controllable output rotational speed, comprising: a housing (1); a power member; a deceleration switching member, comprising a first deceleration switching member, a second deceleration switching member, and a third deceleration switching member, wherein the first deceleration switching member, the second deceleration switching member, and the third deceleration switching member are all provided on the power member; a deceleration member, comprising a first deceleration member, a second deceleration member, and a third deceleration member, wherein the first deceleration member is in mesh transmission with the first deceleration switching member, the second deceleration member is in mesh transmission with the second deceleration switching member, and the third deceleration member is in mesh transmission with the third deceleration switching member; and a deceleration switching output member, comprising a first output member, a second output member, and a third output member. The present invention is compact in structural design, high in deceleration efficiency, high in applicability, large in output torque, low in failure rate, low in maintenance cost and reliable in operation, and can adapt to various precision requirements and output torque requirements.

Description

A motor system with precise and controllable output speed

technical field

The invention relates to the technical field of motors, and more specifically, the invention relates to a motor system with a precisely controllable output speed.

Background technique

The reducer plays the role of matching speed and transmitting torque between the prime mover and the working machine or the actuator, and is widely used in modern machinery. The existing reducer can only output one reduction ratio, torque and accuracy. In actual production, when the device needs to be decelerated for a long time, and the device cannot be shut down for maintenance when the reducer fails, the reliability requirements for the reducer will increase. Very strict; in addition, when a reducer needs to change the output accuracy and torque in time according to the needs of use, the existing reducer cannot meet the needs of use.

Contents of the invention

In order to overcome the above defects, the present invention provides a motor system with precise and controllable output speed, specifically adopting the following technical solutions:

A motor system with precise and controllable output speed, comprising:

case;

a power part, which is arranged on the housing, and the power part provides power for the whole system;

A deceleration switch, which is arranged on the power component, the deceleration switch includes a first deceleration switch, a second deceleration switch and a third deceleration switch, the first deceleration switch, the second deceleration switch Both the switching element and the third deceleration switching element are arranged on the power element,

The deceleration member is arranged on the housing, and the deceleration member includes a first deceleration member, a second deceleration member and a third deceleration member, and the first deceleration member is engaged with the first deceleration switching member for transmission, so The second deceleration member is meshed with the second deceleration switching member for transmission, and the third deceleration member is engaged for transmission with the third deceleration switching member;

A deceleration switching output member, which is arranged on the housing, the deceleration switching output member includes a first output member, a second output member and a third output member, the first output member engages with the first deceleration member Transmission output, the second output member is engaged with the second reduction member for transmission output, and the third output member is engaged with the third reduction member for transmission output.

Preferably, an input rotation through hole is provided at the center of one end surface of the housing, and an output rotation through hole is provided at the center of the other end surface of the housing; a first bearing is embedded in the input rotation through hole, and the The second bearing is embedded in the output rotation through hole; the housing is provided with a mounting plate, and the mounting plate is provided with three mounting through holes; the power part includes a stator and a rotor, and the stator is embedded in the One end of the rotor shaft is embedded in the first bearing, and the rotor is located in the stator.

Preferably, the first deceleration switching member includes a first transmission pipe, a first driving wheel, and a first friction transmission member, the first transmission pipe is arranged on the power member, the first driving wheel and the The first friction transmission parts are all arranged on the first transmission pipe; one end of the first transmission pipe is arranged on the other end of the rotating shaft of the rotor; the outer wall of the first transmission pipe is provided with a first sliding groove, A third bearing is embedded in the inner ring of the first driving wheel, and the first driving wheel is fixedly sleeved on the other end of the first transmission tube through the third bearing.

Preferably, the first friction transmission member includes a first force applying tube, a first magnetic coil, a first sliding tube, a first sliding plate, a first friction plate and a second friction plate, and the first force applying tube is Bucket shape, the bottom of the first force applying tube is provided with a first fixing through hole, the first force applying tube is fixedly sleeved on the first transmission tube through the first fixing through hole, the first The magnetic force coil is fixedly embedded in the first force applying tube; the inner wall of the first sliding tube is provided with a first sliding block, the first sliding tube is sleeved on the first transmission tube, and the first The sliding block cooperates with the first sliding groove; the first permanent magnet is arranged on one end surface of the first sliding plate, and the first sliding plate is fixedly sleeved on one end of the first sliding tube; the first friction A plate is fixedly arranged on one end surface of the first driving wheel, and the second friction plate is arranged on the other end surface of the first sliding plate.

Preferably, the second deceleration switching member includes a second transmission pipe, a second driving wheel, and a second friction transmission member, the second transmission pipe is arranged on the power member, the second driving wheel and the The second friction transmission parts are all arranged on the second transmission pipe; the length of the second transmission pipe is greater than the length of the first transmission pipe, and the side wall of the second transmission pipe is provided with a second sliding groove, and the One end of the second transmission tube is fixedly arranged on the other end of the rotating shaft of the rotor; a fourth bearing is embedded in the second driving wheel, and the second driving wheel is sleeved on the second driving wheel through the fourth bearing. on the other end of the tube.

Preferably, the second friction transmission member includes a second magnetic coil, a second sliding tube, a second sliding plate, a third friction plate and a fourth friction plate, the second magnetic coil is embedded in the first transmission In the other end of the tube, a second sliding block is provided on the inner wall of the second sliding tube, the second sliding tube is sleeved on the second transmission tube, and the second sliding block is connected to the second sliding groove Cooperate; a second permanent magnet is arranged on one end surface of the second sliding plate, and the second sliding plate is fixedly set on one end of the second sliding tube; the third friction plate is arranged on the second driving wheel On one end face, the fourth friction plate is arranged on the other end face of the second sliding plate.

Preferably, the third deceleration switching member includes a third transmission pipe, a third driving wheel, and a third friction transmission member, the length of the third transmission pipe is greater than the length of the second transmission pipe, and the outside of the third transmission pipe A third sliding groove is arranged on the wall, and one end of the third transmission tube is fixedly arranged on the other end of the rotating shaft of the rotor; a fifth bearing is embedded in the third driving wheel, and the third driving wheel passes through the The fifth bearing is sleeved on the other end of the third transmission tube;

The third friction transmission member includes a third magnetic force coil, a third sliding tube, a third sliding plate, a fifth friction plate and a sixth friction plate, and the third magnetic force coil is fixedly embedded on the other side of the second transmission tube. In the one end tube, a third sliding block is provided on the inner wall of the third sliding tube, the third sliding tube is sleeved on the third transmission tube, and the third sliding block is matched with the third sliding groove; A third permanent magnet is arranged on one end surface of the third sliding plate, and the third sliding plate is fixedly set on one end of the third sliding tube; the fifth friction plate is arranged on an end surface of the third driving wheel , the sixth friction plate is arranged on the other end surface of the third sliding plate.

Preferably, the first speed reducer includes a first speed reducer, a first driven wheel, and a fourth driving wheel, the first speed reducer is fixedly embedded in one of the installation through holes, and the first driven wheel It is arranged on the input shaft of the first reducer, and the first driven wheel meshes with the first driving wheel, and the fourth driving wheel is arranged on the output shaft of the first reducer;

The second speed reducer includes a second speed reducer, a second driven wheel, and a fifth driving wheel, the second speed reducer is fixedly embedded in one of the installation through holes, and the second driven wheel is arranged on the on the input shaft of the second reducer, and the second driven wheel meshes with the second driving wheel, and the fifth driving wheel is arranged on the output shaft of the second reducer;

The third speed reducer includes a third speed reducer, a third driven wheel, and a sixth driving wheel, the third speed reducer is fixedly embedded in one of the installation through holes, and the third driven wheel is arranged on the On the input shaft of the third reducer, and the third driven wheel meshes with the third driving wheel, and the sixth driving wheel is arranged on the output shaft of the third reducer.

Preferably, the first output member includes a first output tube, a first output wheel, a second force applying tube, a fourth magnetic coil, a fourth sliding tube, a fourth sliding plate, a seventh friction plate and an eighth friction plate , the outer wall of the first output pipe is provided with a fourth sliding groove, one end of the first output pipe is open and the other end is closed, one end of the first output pipe is embedded in the second bearing, and the One end of the first output pipe extends into the housing; the inner diameter of the first output wheel is embedded with a sixth bearing, and the first output wheel is sleeved on one end of the first output pipe through the sixth bearing, and The first output wheel is meshed with the fourth drive shaft; the second force application tube is barrel-shaped, and a second fixed through hole is provided at the center of the bottom of the barrel of the second force application tube, and the second force application tube The force tube is fixedly sleeved on the first output tube through the second fixed through hole; the fourth magnetic force coil is fixedly embedded in the second force applying tube, and the inner wall of the fourth sliding tube is provided with a fourth A sliding block, the fourth sliding tube is set on the first output tube, and the fourth sliding block is matched with the fourth sliding groove; the fourth sliding plate is fixedly set on the fourth sliding tube On one end, a fourth permanent magnet is arranged on one end surface of the fourth sliding plate, the seventh friction plate is arranged on the first output wheel, and the eighth friction plate is arranged on the other side of the fourth sliding plate. on one end face.

Preferably, the second output member includes a second output tube, a second output wheel, a fifth magnetic coil, a fifth sliding tube, a fifth sliding plate, a ninth friction plate and a tenth friction plate, the second output The outer wall of the tube is provided with a fifth sliding groove, the length of the second output tube is greater than the length of the first output tube, and one end of the second output tube is fixedly arranged on the other end surface of the first output tube; Five magnetic coils are fixedly embedded in the first output tube, a fifth sliding block is provided on the inner wall of the fifth sliding tube, the fifth sliding tube is sleeved on the second output tube, and the fifth The sliding block cooperates with the fifth sliding groove; the fifth sliding plate is fixedly sleeved on one end of the fifth sliding tube, the fifth permanent magnet is arranged on one end surface of the fifth sliding plate, and the ninth sliding The friction plate is arranged on the second output wheel, and the tenth friction plate is arranged on the other end surface of the fifth sliding plate;

The third output member includes a third output tube, a third output wheel, a sixth magnetic coil, a sixth sliding tube, a sixth sliding plate, an eleventh friction plate and a twelfth friction plate, and the third output tube The outer wall is provided with a sixth sliding groove, the length of the third output pipe is greater than the length of the second output pipe, and one end of the third output pipe is fixedly arranged on the other end surface of the first output pipe; The magnetic force coil is embedded in the second output tube, the inner wall of the sixth sliding tube is provided with a sixth sliding block, the sixth sliding tube is sleeved on the third output tube, and the sixth sliding block Cooperate with the sixth sliding groove; the sixth sliding plate is fixedly sleeved on one end of the sixth sliding tube, and a sixth permanent magnet is arranged on one end surface of the sixth sliding plate; the eleventh sliding friction The friction plate is arranged on the third output wheel, and the twelfth friction plate is arranged on the other end surface of the sixth sliding plate.

The present invention at least includes the following beneficial effects:

1) The motor system with precise and controllable output speed of the present invention has compact structure design, high deceleration efficiency, high applicability, large output torque, low failure rate, low maintenance cost and reliable operation, and can adapt to various precision requirements and output torque requirements ;

2) The motor system with precise and controllable output speed of the present invention is provided with a power part, a deceleration switching part, a deceleration part and a deceleration switching output part, and the deceleration switching part includes a first deceleration switching part, a second deceleration switching part and a third deceleration switching part Switching member, the deceleration member includes a first deceleration member, a second deceleration member and a third deceleration member, the deceleration switching output member includes a first output member, a second output member and a third output member, and the power member passes through The deceleration switching member is input to the deceleration member for transmission, and after being decelerated by the deceleration member, it rotates and outputs work through the deceleration switching output member; the deceleration switching member passes through the first deceleration switching member and the second deceleration switching member. and the third deceleration switching member arbitrarily select to activate the first deceleration member, the second deceleration member and the third deceleration member, and because the first deceleration member, the second deceleration member and the third deceleration member can all be According to the needs of use, any type can be selected from planetary gear reducers, harmonic reducers and cycloidal pinwheel reducers, so that the motor system with precise and controllable output speed can select the appropriate transmission accuracy and speed through the deceleration switch at any time as needed Appropriate torque reducer for deceleration output, improving applicability and operational reliability, reducing failure rate and maintenance cost.

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

Fig. 1 is the front view of the motor system with precise and controllable output speed of the present invention;

Fig. 2 is a left-view stereoscopic structure schematic diagram of the motor system with precise and controllable output speed of the present invention;

Fig. 3 is a right-view three-dimensional structural schematic diagram of the motor system with precise and controllable output speed of the present invention;

Fig. 4 is a sectional front view in the direction of A-A in Fig. 1 of the motor system with precise and controllable output speed of the present invention;

Fig. 5 is a partial enlarged view of B in Fig. 4 of the motor system with precise and controllable output speed of the present invention;

Fig. 6 is a schematic diagram of a three-dimensional structure of a section in the direction of A-A in Fig. 1 of the motor system with precise and controllable output speed of the present invention;

Fig. 7 is a partial enlarged view of C in Fig. 6 of the motor system with precise and controllable output speed of the present invention;

Fig. 8 is a partial enlarged view of D in Fig. 6 of the motor system with precise and controllable output speed of the present invention;

Fig. 9 is a front view of the motor system with precise and controllable output speed of the present invention after removing the housing;

Fig. 10 is a schematic diagram of the left perspective structure of the motor system with precise and controllable output speed of the present invention after removing the housing;

Fig. 11 is a schematic diagram of the right perspective structure of the motor system with a precisely controllable output speed according to the present invention after removing the housing.

Among them: 1-shell, 2-first bearing, 3-second bearing, 4-installation plate, 5-stator, 6-rotor, 7-first transmission tube, 8-first driving wheel, 10-first Force tube, 11-the first magnetic force coil, 13-the first sliding plate, 14-the first friction plate, 15-the second friction plate, 16-the first permanent magnet, 17-the second transmission tube, 18-the second Driving wheel, 20-the second magnetic force coil, 22-the second sliding plate, 23-the third friction plate, 25-the second permanent magnet, 26-the third transmission pipe, 27-the third driving wheel, 29-the third magnetic force line Circle, 30-the third sliding tube, 31-the third sliding plate, 32-the fifth friction plate, 33-the sixth friction plate, 34-the third permanent magnet, 35-the first reducer, 36-the first driven wheel , 37-the fourth driving wheel, 38-the second speed reducer, 39-the second driven wheel, 40-the fifth driving wheel, 41-the third speed reducer, 42-the third driven wheel, 43-the sixth driving wheel, 44-the first output tube, 45-the first output wheel, 46-the second force tube, 47-the fourth magnetic coil, 48-the fourth sliding tube, 49-the fourth sliding plate, 50-the seventh friction plate, 51-the eighth friction plate, 52-the fourth permanent magnet, 53-the second output tube, 54-the second output wheel, 55-the fifth magnetic coil, 57-the fifth sliding plate, 58-the ninth friction plate, 59 - the tenth friction plate, 60 - the third output pipe, 61 - the third output wheel, 64 - the sixth sliding plate, 66 - the twelfth friction plate, 67 - the sixth bearing, 68 - the eighth bearing.

Detailed ways

The technical solutions of the present invention will be described in detail below through embodiments with reference to the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention.

The term "and/or" in this article is just an association relationship describing associated objects, which means that there may be three relationships, for example, A and/or B, which can mean: A exists alone, B exists alone, and A and B exist simultaneously. In the three cases of B, the term "/and" in this article is to describe another associated object relationship, which means that there can be two relationships, for example, A/ and B, which can mean: there is A alone, and there are two cases of A and B alone , In addition, the character "/" in this article generally indicates that the contextual objects are an "or" relationship.

According to Fig. 1-Fig. 11, a motor system with precise and controllable output speed includes a housing 1, a power part, a deceleration switching part, a deceleration part and a deceleration switching output part, and the power part and the deceleration part are both arranged in On the housing 1, the deceleration switching member is arranged on the power member, and the deceleration switching output member is arranged on the deceleration member. The casing 1 is tubular, and both ends of the casing 1 are closed. An input rotation through hole is provided at the center of one end surface of the housing 1 , and an output rotation through hole is provided at the center of the other end surface of the housing 1 . The first bearing 2 is embedded in the input rotation through hole, and the second bearing 3 is embedded in the output rotation through hole. Both the first bearing 2 and the second bearing 3 are waterproof bearings. A mounting plate 4 is provided at the middle section of the inner wall of the housing 1 , and three mounting through holes are provided on the mounting plate 4 , and the three mounting through holes are evenly distributed around the axis of the housing 1 . The power part includes a stator 5 and a rotor 6, the stator 5 is embedded in one end tube of the housing 1, one end of the rotating shaft of the rotor 6 is embedded in the first bearing 2, and the rotor 6 is located at Inside the stator 5.

The deceleration switch includes a first deceleration switch, a second deceleration switch and a third deceleration switch, and the first deceleration switch, the second deceleration switch and the third deceleration switch are all set at on the power part. The first deceleration switching member includes a first transmission pipe 7, a first driving wheel 8, and a first friction transmission member, the first transmission pipe 7 is arranged on the power member, the first driving wheel 8 and the first friction transmission member The first friction transmission members are all arranged on the first transmission pipe 7 . One end of the first transmission pipe 7 is arranged on the other end of the rotating shaft of the rotor 6 , and the axis of the first transmission pipe 7 coincides with the axis of the rotating shaft of the rotor 6 . A first sliding groove is provided on the outer wall of the first transmission tube 7 , and the first sliding groove facilitates the reciprocating sliding of the first friction transmission member on the first transmission tube 7 . The first driving wheel 8 is a transmission gear, and the inner ring of the first driving wheel 8 is embedded with a third bearing, and the first driving wheel 8 is fixedly sleeved on the first transmission tube 7 through the third bearing. On the outer wall of the other end, the first driving wheel 8 can rotate around the first transmission tube 7 in a circumferential direction. The first friction transmission member includes a first force application tube 10, a first magnetic force coil 11, a first slide tube, a first slide plate 13, a first friction plate 14 and a second friction plate 15, and the first force application Both the pipe 10 and the first sliding pipe are arranged on the first transmission pipe 7, the first magnetic coil 11 is arranged on the first force applying pipe 10, and the first sliding plate 13 is arranged on the first transmission pipe 7. On the first sliding tube, the first friction plate 14 is arranged on the first driving wheel 8 , and the second friction plate 15 is arranged on the first sliding plate 13 . The first force applying tube 10 is in the shape of a barrel, and the bottom of the barrel of the first force applying tube 10 is provided with a first fixing through hole, and the first force applying tube 10 is fixedly sleeved on the said first fixing through hole. above the first transmission pipe 7. The first magnetic force coil 11 is fixedly embedded in the first force applying tube 10 . The outer diameter of the first sliding tube is smaller than the inner diameter of the first magnetic coil 11, a first sliding block is arranged on the inner wall of the first sliding tube, and the first sliding tube is sleeved on the first transmission tube 7, And the first sliding block cooperates with the first sliding groove. The first sliding plate 13 is in the shape of an annular plate, and a first permanent magnet 16 is arranged on one end surface of the first sliding plate 13, and the first permanent magnet 16 can increase the attractive force with the first magnetic coil 11 and Repulsion force, the first sliding plate 13 is fixedly sleeved on one end of the first sliding tube. The first friction plate 14 is fixedly arranged on one end surface of the first driving wheel 8, and the second friction plate 15 is arranged on the other end surface of the first sliding plate 13, so that the first transmission pipe 7 It is transmitted to the first drive wheel 8 through the first friction plate 14 and the second friction plate 15 . When the first magnetic coil 11 is supplied with forward current, the magnetic field generated by the first magnetic coil 11 will push the first permanent magnet 16 to move outward, and the first permanent magnet 16 will push the first sliding plate 13 and the first sliding tube move outward until the second friction plate 15 and the first friction plate 14 fully fit and rub, and finally the first driving wheel 8 is driven to rotate by the first friction plate 14 . When the first magnetic coil 11 is supplied with a reverse current, the magnetic field generated by the first magnetic coil 11 will pull the first permanent magnet 16 to move inwardly, and the first permanent magnet 16 will pull the first sliding plate 13 and the first sliding tube move toward the inner side of the first force applying tube 10 until the second friction plate 15 is out of contact with the first friction plate 14 .

The second deceleration switching member includes a second transmission pipe 17, a second driving wheel 18, and a second friction transmission member, the second transmission pipe 17 is arranged on the power member, the second driving wheel 18 and the second friction transmission member The second friction transmission members are all arranged on the second transmission pipe 17 . The outer diameter of the second transmission tube 17 is smaller than the inner diameter of the first transmission tube 7 , and the length of the second transmission tube 17 is greater than the length of the first transmission tube 7 . The side wall of the second transmission pipe 17 is provided with a second sliding groove, one end of the second transmission pipe 17 is fixedly arranged on the other end of the rotating shaft of the rotor 6, and the axis of the second transmission pipe 17 is in line with the The axes of the first transmission pipe 7 are coincident. The second driving wheel 18 is embedded with a fourth bearing, and the second driving wheel 18 is sleeved on the other end of the second transmission tube 17 through the fourth bearing, so that the second driving wheel 18 can Circumferentially rotate around the second transmission tube 17 .

The second friction transmission member includes a second magnetic coil 20, a second sliding tube, a second sliding plate 22, a third friction plate 23 and a fourth friction plate, and the second sliding tube is arranged on the second transmission tube 17, the second magnetic coil 20 is set on the first transmission tube 7, the second sliding plate 22 is set on the second sliding tube, and the third friction plate 23 is set on the first On the two driving wheels 18 , the fourth friction plate is arranged on the second sliding plate 22 . The outer diameter of the second magnetic coil 20 is not larger than the inner diameter of the first transmission tube 7, the second magnetic coil 20 is fixedly embedded in the other end of the first transmission tube 7, and the outer diameter of the second sliding tube is Smaller than the inner diameter of the second magnetic coil 20, a second sliding block is provided on the inner wall of the second sliding tube, the second sliding tube is sleeved on the second transmission tube 17, and the second sliding block is connected to the second transmission tube 17. The second sliding groove is matched. The second sliding plate 22 is in the shape of a ring plate, and a second permanent magnet 25 is arranged on one end surface of the second sliding plate 22 , and the second sliding plate 22 is fixedly sleeved on one end of the second sliding tube. The third friction plate 23 is disposed on one end surface of the second driving wheel 18 , and the fourth friction plate is disposed on the other end surface of the second sliding plate 22 . When the second magnetic coil 20 is supplied with a forward current, the magnetic field generated by the second magnetic coil 20 will push the second permanent magnet 25 to move outward, and the second permanent magnet 25 will push the second sliding plate 22 and the second sliding tube move outward until the fourth friction plate and the third friction plate 23 are fully engaged and rubbed, and finally the second driving wheel 18 is driven to rotate by the third friction plate 23 . When the second magnetic coil 20 is supplied with a reverse current, the magnetic field generated by the second magnetic coil 20 will pull the second permanent magnet 25 to move inwardly, and the second permanent magnet 25 will pull the second sliding plate 22 and the second sliding tube move toward the inside of the first transmission tube 7 until the fourth friction plate is out of contact with the third friction plate 23 .

The third deceleration switching member includes a third transmission pipe 26, a third driving wheel 27, and a third friction transmission member, the third transmission pipe 26 is arranged on the power member, the third driving wheel 27 and the third friction transmission member The third friction transmission elements are all arranged on the third transmission pipe 26 . The diameter of the third transmission tube 26 is smaller than the inner diameter of the second transmission tube 17 , and the length of the third transmission tube 26 is greater than the length of the second transmission tube 17 . The outer wall of the third transmission pipe 26 is provided with a third sliding groove, one end of the third transmission pipe 26 is fixedly arranged on the other end of the rotating shaft of the rotor 6, and the axis of the third transmission pipe 26 is in line with the The axes of the second transmission pipe 17 are coincident. The third driving wheel 27 is embedded with a fifth bearing, and the third driving wheel 27 is sleeved on the other end of the third transmission tube 26 through the fifth bearing, so that the third driving wheel 27 can It rotates circumferentially around the third transmission tube 26 .

The third friction transmission member includes a third magnetic coil 29, a third sliding tube 30, a third sliding plate 31, a fifth friction plate 32 and a sixth friction plate 33, and the third sliding tube 30 is arranged on the first On the third transmission pipe 26, the third magnetic coil 29 is arranged on the second transmission pipe 17, the third sliding plate 31 is arranged on the third sliding pipe 30, and the fifth friction plate 32 is arranged on the third transmission pipe 26. On the third driving wheel 27 , the sixth friction plate 33 is arranged on the third sliding plate 31 . The outer diameter of the third magnetic coil 29 is not larger than the inner diameter of the second transmission tube 17, the third magnetic coil 29 is fixedly embedded in the other end of the second transmission tube 17, and the outer diameter of the third sliding tube 30 is The diameter is smaller than the inner diameter of the third magnetic coil 29, a third sliding block is arranged on the inner wall of the third sliding tube 30, the third sliding tube 30 is sleeved on the third transmission tube 26, and the third The sliding block cooperates with the third sliding groove. The third sliding plate 31 is in the shape of a ring plate, a third permanent magnet 34 is arranged on one end surface of the third sliding plate 31, and the third sliding plate 31 is fixedly set on one end of the third sliding tube 30 . The fifth friction plate 32 is disposed on one end surface of the third driving wheel 27 , and the sixth friction plate 33 is disposed on the other end surface of the third sliding plate 31 . When the third magnetic coil 29 is supplied with forward current, the magnetic field generated by the third magnetic coil 29 will push the third permanent magnet 34 to move outward, and the third permanent magnet 34 will push the third sliding plate 31 and the third sliding tube 30 to move outward until the sixth friction plate 33 and the fifth friction plate 32 fully fit and rub against each other, and finally the third drive wheel 27 is driven by the fifth friction plate 32 turn. When the third magnetic coil 29 is supplied with a reverse current, the magnetic field generated by the third magnetic coil 29 will pull the third permanent magnet 34 to move inwardly, and the third permanent magnet 34 will pull the third sliding plate 31 and the third sliding tube 30 move toward the inner side of the second transmission tube 17 until the sixth friction plate 33 is out of contact with the fifth friction plate 32 .

The deceleration member includes a first deceleration member, a second deceleration member and a third deceleration member, and the first deceleration member, the second deceleration member and the third deceleration member are all arranged on the mounting plate 4 . The first speed reducer includes a first speed reducer 35, a first driven wheel 36, and a fourth driving wheel 37. The first speed reducer 35 is arranged on the mounting plate 4, and the first driven wheel 36 and the The fourth driving wheels 37 are all arranged on the first speed reducer 35 . The first speed reducer 35 is any one of planetary gear speed reducer, harmonic speed reducer and cycloidal pin gear speed reducer, which can be selected according to needs. The first reducer 35 is fixedly embedded in one of the installation through holes. The first driven wheel 36 is a transmission gear, the first driven wheel 36 is arranged on the input shaft of the first reducer 35 , and the first driven wheel 36 meshes with the first driving wheel 8 . The fourth driving wheel 37 is arranged on the output shaft of the first reducer 35 .

The second reduction member includes a second speed reducer 38, a second driven wheel 39, and a fifth driving wheel 40. The second speed reducer 38 is arranged on the mounting plate 4, and the second driven wheel 39 and the fifth driving wheel 40 The fifth driving wheels 40 are all arranged on the second speed reducer 38 . The second speed reducer 38 is any one of a planetary gear speed reducer, a harmonic speed reducer and a cycloidal pin gear speed reducer, which can be selected according to needs. The second reducer 38 is fixedly embedded in one of the installation through holes. The second driven wheel 39 is a transmission gear, the second driven wheel 39 is arranged on the input shaft of the second speed reducer 38 , and the second driven wheel 39 meshes with the second driving wheel 18 . The fifth driving wheel 40 is arranged on the output shaft of the second reducer 38 .

The third reduction member includes a third speed reducer 41, a third driven wheel 42, and a sixth driving wheel 43, the third speed reducer 41 is arranged on the mounting plate 4, the third driven wheel 42 and the sixth driving wheel 43 The sixth driving wheels 43 are all arranged on the third speed reducer 41 . The third reducer 41 is any one of a planetary gear reducer, a harmonic reducer and the cycloidal pinwheel reducer, which can be selected according to needs. The third reducer 41 is fixedly embedded in one of the installation through holes. The third driven wheel 42 is a transmission gear, the third driven wheel 42 is arranged on the input shaft of the third speed reducer 41 , and the third driven wheel 42 meshes with the third driving wheel 27 . The sixth driving wheel 43 is arranged on the output shaft of the third speed reducer 41 . When the first reducer 35, the second reducer 38 and the third reducer 41 are selected to be equipped with different types of reducers one by one, the reduction switch can be arbitrarily selected according to the requirements of the reduction output accuracy and the reduction ratio. Select and use the first speed reducer 35, the second speed reducer 38 and the third speed reducer 41 to meet the deceleration needs; when the first speed reducer 35, the second speed reducer 38 and the When the third speed reducer 41 is all equipped with the same kind of speed reducer, the first speed reducer 35, the second speed reducer 38 and the third speed reducer 41 can be started one by one through the speed reduction switch to prevent long-term Using a reducer causes excessive strain.

The deceleration switching output member includes a first output member, a second output member and a third output member, the first output member is arranged on the housing 1, and the second output member and the third output member are all arranged on the first output member. The first output member includes a first output tube 44, a first output wheel 45, a second force applying tube 46, a fourth magnetic force coil 47, a fourth sliding tube 48, a fourth sliding plate 49, a seventh friction plate 50 and The eighth friction plate 51, the first output tube 44 is set on the housing 1, the first output wheel 45, the second force applying tube 46, and the fourth sliding tube 48 are all set on the The first output tube 44, the fourth magnetic coil 47 is set on the second force tube 46, the fourth sliding plate 49 is set on the fourth sliding tube 48, the seventh friction The sheet 50 is arranged on the first output wheel 45 , and the eighth friction sheet 51 is arranged on the fourth sliding plate 49 . The outer wall of the first output pipe 44 is provided with a fourth sliding groove, one end of the first output pipe 44 is open and the other end is closed, and one end of the first output pipe 44 is embedded in the second bearing 3 , and one end of the first output pipe 44 extends into the casing 1 . The outer diameter of the first output wheel 45 is not larger than the outer diameter of the fourth driving wheel 37, and the inner diameter of the first output wheel 45 is embedded with a sixth bearing 67, and the first output wheel 45 passes through the sixth bearing. 67 is sleeved on one end of the first output pipe 44, and the first output wheel 45 is engaged with the fourth driving shaft. The second force applying tube 46 is barrel-shaped, and a second fixing through hole is provided at the center of the bottom of the barrel of the second applying force tube 46, and the second applying force tube 46 is fixed through the second fixing through hole. on the first output pipe 44 . The inner diameter of the fourth magnetic force coil 47 is larger than the outer diameter of the first output tube 44 , and the fourth magnetic force coil 47 is fixedly embedded in the second force applying tube 46 . A fourth sliding block is disposed on the inner wall of the fourth sliding tube 48 , the fourth sliding tube 48 is sleeved on the first output tube 44 , and the fourth sliding block is matched with the fourth sliding groove. The fourth sliding plate 49 is fixedly sleeved on one end of the fourth sliding tube 48 , and a fourth permanent magnet 52 is disposed on one end surface of the fourth sliding plate 49 . The seventh friction plate 50 is disposed on the first output wheel 45 , and the eighth friction plate 51 is disposed on the other end surface of the fourth sliding plate 49 .

The second output member includes a second output tube 53, a second output wheel 54, a fifth magnetic coil 55, a fifth sliding tube, a fifth sliding plate 57, a ninth friction plate 58 and a tenth friction plate 59. The second output pipe 53 is arranged on the first output pipe 44, the second output wheel 54 and the fifth sliding pipe are all arranged on the second output pipe 53, and the fifth magnetic coil 55 is arranged On the first output pipe 44, the fifth sliding plate 57 is arranged on the fifth sliding pipe, the ninth friction plate 58 is arranged on the second output wheel 54, and the tenth friction A sheet 59 is provided on the fifth slide plate 57 . The outer wall of the second output pipe 53 is provided with a fifth sliding groove, the outer diameter of the second output pipe 53 is smaller than the inner diameter of the first output pipe 44, and the length of the second output pipe 53 is longer than that of the first output pipe. 44 length, one end of the second output pipe 53 is fixedly arranged on the other end surface of the first output pipe 44 , and the axis of the second output pipe 53 coincides with the axis of the first output pipe 44 . The outer diameter of the second output wheel 54 is not larger than the radius of the fifth driving wheel 40 to increase the output torque of the second output pipe 53. The inner ring of the second output wheel 54 is embedded with a seventh bearing. The second output wheel is sleeved on the other end of the second output pipe through the seventh bearing. The inner diameter of the fifth magnetic coil 55 is larger than the outer diameter of the second output tube 53 , and the fifth magnetic coil 55 is fixedly embedded in the first output tube 44 . A fifth sliding block is disposed on the inner wall of the fifth sliding tube, the fifth sliding tube is sleeved on the second output tube 53 , and the fifth sliding block is matched with the fifth sliding groove. The fifth sliding plate 57 is fixedly sleeved on one end of the fifth sliding tube, and a fifth permanent magnet is arranged on one end surface of the fifth sliding plate 57 . The ninth sliding friction plate is disposed on the second output wheel 54 , and the tenth friction plate 59 is disposed on the other end surface of the fifth sliding plate 57 .

The third output member includes a third output tube 60, a third output wheel 61, a sixth magnetic coil, a sixth sliding tube, a sixth sliding plate 64, an eleventh friction plate and a twelfth friction plate 66. The third output pipe 60 is arranged on the first output pipe 44, the third output wheel 61 and the sixth sliding pipe are both arranged on the third output pipe 60, and the sixth magnetic coil is arranged on the On the second output pipe 53, the sixth sliding plate 64 is arranged on the sixth sliding pipe, the eleventh friction plate is arranged on the third output wheel 61, and the twelfth friction A piece 66 is provided on the sixth slide plate 64 . The outer wall of the third output pipe 60 is provided with a sixth sliding groove, the outer diameter of the third output pipe 60 is smaller than the inner diameter of the second output pipe 53, and the length of the third output pipe 60 is longer than that of the second output pipe 53 in length, one end of the third output pipe 60 is fixedly arranged on the other end surface of the first output pipe 44 , and the axis of the third output pipe 60 coincides with the axis of the first output pipe 44 . The outer diameter of the third output wheel 61 is not larger than the radius of the sixth driving wheel 43 to increase the output torque of the third output pipe 60. The inner ring of the third output wheel is embedded with an eighth bearing 68. The second output wheel is sleeved on the other end of the third output pipe through the eighth bearing 68 . The inner diameter of the sixth magnetic coil is larger than the outer diameter of the third output tube 60 , and the sixth magnetic coil is fixedly embedded in the second output tube 53 . A sixth sliding block is provided on the inner wall of the sixth sliding tube, the sixth sliding tube is sleeved on the third output tube 60, and the sixth sliding block is matched with the sixth sliding groove. The sixth sliding plate 64 is fixedly sleeved on one end of the sixth sliding tube, and a sixth permanent magnet is disposed on one end surface of the sixth sliding plate 64 . The eleventh sliding friction plate is disposed on the third output wheel 61 , and the twelfth friction plate 66 is disposed on the other end surface of the sixth sliding plate 64 .

When the diameter of the first output wheel 45 is smaller than the diameter of the fourth driving wheel 37, the diameter of the second output wheel 54 is smaller than the diameter of the fifth driving wheel 40 and the diameter of the third output wheel 61 is smaller than the diameter of the When the sixth driving wheel 43 has a diameter, the output torque of this case can be improved.

When the first reducer 35, the second reducer 38 and the third reducer 41 are all equipped with the same type of reducer, the first reducer 35, the first reducer 35, and the third reducer 41 can be started one by one through the deceleration switch. The second speed reducer 38 and the third speed reducer 41 can prevent excessive fatigue caused by long-term use of one speed reducer. At the same time, when the ratio of the diameter of the first output wheel 45 to the diameter of the fourth driving wheel 37, the The ratio of the diameter of the second output wheel 54 to the diameter of the fifth driving wheel 40 and the ratio of the diameter of the third output wheel 61 to the diameter of the sixth driving wheel 43 are different, and can be selected by the deceleration switch The first speed reducer 35 , the second speed reducer 38 and the third speed reducer 41 are used to switch between different output torques.

When the output torque of the reducer needs to be changed during the deceleration process to meet the use requirements, it is only necessary to select the first reducer, the second reducer and the second reducer when manufacturing the motor system with precisely controllable output speed. The third speed reducer is the same type of speed reducer (one of planetary gear speed reducer, harmonic speed reducer and cycloidal pin gear speed reducer), and the first output wheel 45 of suitable diameter and the fourth driving wheel 37 are pre-installed , the second output wheel 54 and the fifth driving wheel 40 , the third output wheel 61 and the sixth driving wheel 43 can meet the usage requirements.

When the output accuracy of the reducer needs to be changed during the deceleration process to meet the usability requirements and meet the economy, it is only necessary to select the first reducer, the second reducer when manufacturing the motor system with precise and controllable output speed. The second reducer and the third reducer are all different types of reducers (that is, the first reducer, the second reducer and the third reducer are respectively connected with the planetary gear reducer, the harmonic reducer and the cycloid needle gear reducer one by one) can be. Since the motor system with precise and controllable output speed can be arbitrarily selected and combined according to different scenarios to meet the requirements of usability and economy in different scenarios, no one-by-one examples are given here.

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

A motor system with precise and controllable output speed, characterized in that it includes:

case;

a power part, which is arranged on the housing, and the power part provides power for the whole system;

A deceleration switch, which is arranged on the power component, the deceleration switch includes a first deceleration switch, a second deceleration switch and a third deceleration switch, the first deceleration switch, the second deceleration switch Both the switching element and the third deceleration switching element are arranged on the power element,

The deceleration member is arranged on the housing, and the deceleration member includes a first deceleration member, a second deceleration member and a third deceleration member, and the first deceleration member is engaged with the first deceleration switching member for transmission, so The second deceleration member is meshed with the second deceleration switching member for transmission, and the third deceleration member is engaged for transmission with the third deceleration switching member;

A deceleration switching output member, which is arranged on the housing, the deceleration switching output member includes a first output member, a second output member and a third output member, the first output member engages with the first deceleration member Transmission output, the second output member is engaged with the second reduction member for transmission output, and the third output member is engaged with the third reduction member for transmission output.
The motor system with precise and controllable output speed according to claim 1, wherein an input rotation through hole is provided at the center of one end face of the housing, and an output rotation through hole is provided at the center of the other end face of the housing. The first bearing is embedded in the input rotation through hole, and the second bearing is embedded in the output rotation through hole; a mounting plate is arranged in the housing, and three installation through holes are arranged on the mounting plate; The power part includes a stator and a rotor, the stator is embedded in one end tube of the housing, one end of the rotor shaft is embedded in the first bearing, and the rotor is located in the stator.
The motor system with precise controllable output speed according to claim 2, characterized in that, the first deceleration switching member includes a first transmission tube, a first driving wheel, and a first friction transmission member, and the first transmission tube Set on the power part, the first driving wheel and the first friction transmission part are both set on the first transmission tube; one end of the first transmission tube is set on the other end of the rotating shaft of the rotor The outer wall of the first transmission tube is provided with a first sliding groove, the inner ring of the first driving wheel is embedded with a third bearing, and the first driving wheel is fixedly sleeved on the first driving wheel through the third bearing. The other end of a transmission tube.
The motor system with precise and controllable output speed according to claim 3, wherein the first friction transmission member comprises a first force applying tube, a first magnetic force coil, a first sliding tube, a first sliding plate, a first A friction plate and a second friction plate, the first force applying tube is in the shape of a barrel, the bottom of the barrel of the first force applying tube is provided with a first fixing through hole, and the first force applying tube passes through the first fixing The through hole is fixedly sleeved on the first transmission tube, the first magnetic force coil is fixedly embedded in the first force application tube; the inner wall of the first sliding tube is provided with a first sliding block, and the first The sliding tube is sleeved on the first transmission tube, and the first sliding block is matched with the first sliding groove; a first permanent magnet is arranged on one end surface of the first sliding plate, and the first sliding plate The fixed sleeve is mounted on one end of the first sliding tube; the first friction plate is fixedly arranged on one end surface of the first driving wheel, and the second friction plate is arranged on the other end surface of the first sliding plate.
The motor system with precise controllable output speed according to any one of claims 2-4, characterized in that, the second deceleration switching member includes a second transmission tube, a second driving wheel, and a second friction transmission member, so The second transmission tube is arranged on the power part, and the second driving wheel and the second friction transmission part are both arranged on the second transmission tube; the length of the second transmission tube is longer than that of the first The length of the transmission tube, the side wall of the second transmission tube is provided with a second slide groove, one end of the second transmission tube is fixed on the other end of the rotating shaft of the rotor; the second drive wheel is embedded with a first Four bearings, the second driving wheel is sleeved on the other end of the second transmission tube through the fourth bearing.
The motor system with precise controllable output speed according to claim 5, wherein the second friction transmission member includes a second magnetic coil, a second sliding tube, a second sliding plate, a third friction plate and a fourth friction plate. Friction plate, the second magnetic force coil is embedded in the other end of the first transmission tube, a second sliding block is arranged on the inner wall of the second sliding tube, and the second sliding tube is sleeved on the second transmission tube. On the pipe, and the second sliding block cooperates with the second sliding groove; a second permanent magnet is arranged on one end surface of the second sliding plate, and the second sliding plate is fixedly set on the second sliding tube On one end: the third friction plate is arranged on one end surface of the second driving wheel, and the fourth friction plate is arranged on the other end surface of the second sliding plate.
The motor system with precise and controllable output speed according to claim 5, characterized in that, the third deceleration switching member includes a third transmission pipe, a third driving wheel, and a third friction transmission member, and the third transmission pipe The length is greater than the length of the second transmission pipe, and the third sliding groove is provided on the outer wall of the third transmission pipe, and one end of the third transmission pipe is fixedly arranged on the other end of the rotating shaft of the rotor; the third active A fifth bearing is embedded in the wheel, and the third driving wheel is sleeved on the other end of the third transmission tube through the fifth bearing;

The third friction transmission member includes a third magnetic force coil, a third sliding tube, a third sliding plate, a fifth friction plate and a sixth friction plate, and the third magnetic force coil is fixedly embedded on the other side of the second transmission tube. In the one end tube, a third sliding block is provided on the inner wall of the third sliding tube, the third sliding tube is sleeved on the third transmission tube, and the third sliding block is matched with the third sliding groove; A third permanent magnet is arranged on one end surface of the third sliding plate, and the third sliding plate is fixedly set on one end of the third sliding tube; the fifth friction plate is arranged on an end surface of the third driving wheel , the sixth friction plate is arranged on the other end surface of the third sliding plate.
The motor system with precise and controllable output speed according to claim 5, characterized in that, the first speed reducer includes a first speed reducer, a first driven wheel, and a fourth driving wheel, and the first speed reducer is fixedly embedded Installed in one of the installation through holes, the first driven wheel is arranged on the input shaft of the first reducer, and the first driven wheel meshes with the first driving wheel, and the fourth driving wheel The wheel is arranged on the output shaft of the first reducer;

The second speed reducer includes a second speed reducer, a second driven wheel, and a fifth driving wheel, the second speed reducer is fixedly embedded in one of the installation through holes, and the second driven wheel is arranged on the on the input shaft of the second reducer, and the second driven wheel meshes with the second driving wheel, and the fifth driving wheel is arranged on the output shaft of the second reducer;

The third speed reducer includes a third speed reducer, a third driven wheel, and a sixth driving wheel, the third speed reducer is fixedly embedded in one of the installation through holes, and the third driven wheel is arranged on the On the input shaft of the third reducer, and the third driven wheel meshes with the third driving wheel, and the sixth driving wheel is arranged on the output shaft of the third reducer.
The motor system with precise and controllable output speed according to claim 5, wherein the first output member comprises a first output tube, a first output wheel, a second force applying tube, a fourth magnetic force coil, a fourth The sliding tube, the fourth sliding plate, the seventh friction plate and the eighth friction plate, the fourth sliding groove is arranged on the outer wall of the first output tube, one end of the first output tube is open, and the other end is closed, the One end of the first output pipe is embedded in the second bearing, and one end of the first output pipe extends into the housing; the inner diameter of the first output wheel is embedded with a sixth bearing, and the first output wheel The sixth bearing is sleeved on one end of the first output pipe, and the first output wheel is engaged with the fourth driving shaft; the second force application tube is barrel-shaped, and the second force application tube There is a second fixed through hole at the center of the bottom of the barrel, and the second force applying tube is fixedly sleeved on the first output tube through the second fixed through hole; the fourth magnetic force coil is fixedly embedded in the In the second force applying tube, the inner wall of the fourth sliding tube is provided with a fourth sliding block, the fourth sliding tube is sleeved on the first output tube, and the fourth sliding block is connected with the fourth sliding groove Cooperate; the fourth sliding plate is fixedly set on one end of the fourth sliding tube, the fourth permanent magnet is arranged on one end surface of the fourth sliding plate, and the seventh friction plate is arranged on the first output wheel The eighth friction plate is arranged on the other end surface of the fourth sliding plate.
The motor system with precise controllable output speed according to claim 5, characterized in that, the second output member comprises a second output tube, a second output wheel, a fifth magnetic coil, a fifth sliding tube, a fifth sliding plate, the ninth friction plate and the tenth friction plate, the outer wall of the second output pipe is provided with a fifth sliding groove, the length of the second output pipe is greater than the length of the first output pipe, and one end of the second output pipe fixedly arranged on the other end surface of the first output tube; the fifth magnetic force coil is fixedly embedded in the first output tube; a fifth sliding block is arranged on the inner wall of the fifth sliding tube; the fifth The sliding tube is set on the second output tube, and the fifth sliding block is matched with the fifth sliding groove; the fifth sliding plate is fixedly set on one end of the fifth sliding tube, and the fifth A fifth permanent magnet is arranged on one end surface of the sliding plate, the ninth sliding friction plate is arranged on the second output wheel, and the tenth friction plate is arranged on the other end surface of the fifth sliding plate;

The third output member includes a third output tube, a third output wheel, a sixth magnetic coil, a sixth sliding tube, a sixth sliding plate, an eleventh friction plate and a twelfth friction plate, and the third output tube The outer wall is provided with a sixth sliding groove, the length of the third output pipe is greater than the length of the second output pipe, and one end of the third output pipe is fixedly arranged on the other end surface of the first output pipe; The magnetic force coil is embedded in the second output tube, the inner wall of the sixth sliding tube is provided with a sixth sliding block, the sixth sliding tube is sleeved on the third output tube, and the sixth sliding block Cooperate with the sixth sliding groove; the sixth sliding plate is fixedly sleeved on one end of the sixth sliding tube, and a sixth permanent magnet is arranged on one end surface of the sixth sliding plate; the eleventh sliding friction The friction plate is arranged on the third output wheel, and the twelfth friction plate is arranged on the other end surface of the sixth sliding plate.