CN109873528B - Motor system with state self-monitoring function - Google Patents
Motor system with state self-monitoring function Download PDFInfo
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- CN109873528B CN109873528B CN201910155328.3A CN201910155328A CN109873528B CN 109873528 B CN109873528 B CN 109873528B CN 201910155328 A CN201910155328 A CN 201910155328A CN 109873528 B CN109873528 B CN 109873528B
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Abstract
The invention discloses a motor system with a state self-monitoring function, which comprises a bevel gear, a motor and a control device, wherein the bevel gear is concentrically arranged on the periphery of a motor rotating shaft; the pair of planet wheels are symmetrically distributed on the periphery of the conical gear, the radial positions of the planet wheels are fixed, the axial positions of the planet wheels can move, the pair of planet wheels are linked with the conical gear through a steel belt, an elastic pressing mechanism is arranged on the outer side of the steel belt, and the elastic pressing mechanism deflects the steel belt to the inner side for a certain distance; internal tooth dish, its cover is established a pair of the periphery of planet wheel, the axial position of internal tooth dish is fixed, internal tooth dish internal perisporium with the planet wheel meshing, just planet wheel axial displacement is on internal tooth dish internal perisporium, servo motor passes through the internal tooth dish is outwards exported. The invention solves the technical problem of unstable change of the output rotating speed of the motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor system with a state self-monitoring function.
Background
Because the servo motor has the advantages of small volume, light weight, large torque output, low inertia, good controllability and the like, the servo motor is widely applied to an automatic control system and an automatic detection system, and in the automatic control system, the servo motor has the function of converting a control voltage signal into mechanical movement, namely converting a received voltage signal into a certain rotating speed or angular displacement of the motor, so that the servo motor can be controlled by a central processing unit.
The output rotating speed of the existing servo motor is usually controlled by an excitation signal and is applied to an industrial machine body after being reduced by a speed reducer, but the reduction ratio of the speed reducer jumps greatly, so that the jump of the output rotating speed of the motor is large, the rotor position precision of the output mode is not high, and the output rotating speed is difficult to apply to occasions requiring the high precision of the output rotor position.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention aims to provide a motor system with a state self-monitoring function, wherein a reduction gearbox with continuously adjustable transformation ratio is arranged at the output end of a motor, so that the reduction ratio is continuously adjusted through the reduction gearbox, the smoothness of the change of the output rotating speed of the motor is improved, and the technical problem of unstable change of the output rotating speed of the motor is solved.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a motor system having a state self-monitoring function, comprising:
the conical gear is concentrically arranged on the periphery of the motor rotating shaft;
the pair of planet wheels are symmetrically distributed on the periphery of the conical gear, the radial positions of the planet wheels are fixed, the axial positions of the planet wheels can move, the pair of planet wheels are linked with the conical gear through a steel belt, an elastic pressing mechanism is arranged on the outer side of the steel belt, and the elastic pressing mechanism deflects the steel belt to the inner side for a certain distance;
internal tooth dish, its cover is established a pair of the periphery of planet wheel, the axial position of internal tooth dish is fixed, internal tooth dish internal perisporium with the planet wheel meshing, just planet wheel axial displacement is on internal tooth dish internal perisporium, servo motor passes through the internal tooth dish is outwards exported.
Preferably, the symmetry is provided with a pair of flexible actuating mechanism on the shell of servo motor's output motor pivot side, flexible actuating mechanism's flexible direction with motor shaft is parallel, flexible actuating mechanism distributes motor shaft's the outside, flexible actuating mechanism includes drive unit, guide cylinder and telescopic shaft, the drive unit drive the telescopic shaft is flexible in the guide cylinder.
Preferably, the axial direction of the planet wheel is parallel to the axial direction of the motor rotating shaft, a bearing is arranged at the center of the shaft of the planet wheel, and the outer end of the telescopic shaft is fixed in the bearing.
Preferably, the telescopic distance of the telescopic driving mechanism is not less than the axial length of the bevel gear, the telescopic driving mechanism drives the pair of planet gears to synchronously and axially move on the periphery of the bevel gear, and the distribution outer diameter of the pair of telescopic driving mechanism, the distribution outer diameter of the pair of planet gears and the inner diameter of the inner fluted disc are consistent. Preferably, the outer periphery of the two axial ends of the planet gears is provided with teeth in a protruding mode, the teeth are meshed with the inner peripheral wall of the inner fluted disc, the direction of the teeth is consistent with the direction of the inner peripheral wall tooth patterns of the inner fluted disc, and the bevel gears and the planet gears are in synchronous linkage through the steel belt.
Preferably, the depth of the inner fluted disc is not less than the axial length of the bevel gear, the planet gears axially move on the inner peripheral wall of the inner fluted disc, and limit blocks are arranged at two axial ends of the inner peripheral wall of the inner fluted disc in a protruding mode.
Preferably, one of them the last first connecting rod of vertical connection of telescopic shaft, the end of first connecting rod sets up a second connecting rod perpendicularly, first connecting rod is parallel with a pair of central line between the planet wheel, first connecting rod is connected the center of second connecting rod, the length of second connecting rod is not less than the diameter of planet wheel, the both ends of second connecting rod set up a third connecting rod perpendicularly, the third connecting rod is followed but the length direction elastic expansion of second connecting rod, the third connecting rod to the extension of inner fluted disc direction, the medial extremity of third connecting rod compresses tightly in the steel band outside.
Preferably, the second connecting rod is provided with a through groove in a penetrating manner, the end of the third connecting rod penetrates through the through groove and extends towards the inner fluted disc, the third connecting rod can move in the through groove, a spring is clamped between the third connecting rod and the end of the through groove and is in a compression state, and the two ends and the tails of the third connecting rod are connected through a telescopic loop bar.
Preferably, an installation block is arranged at the inner side end of the end head of the third connecting rod in a protruding mode, a cylindrical head is arranged at the inner side end of the installation block in a protruding mode, the cylindrical head is subjected to rounding treatment, a sliding groove is formed in the center of the outer side wall of the steel belt, and the cylindrical head is movably arranged in the sliding groove.
Preferably, the longitudinal section of the steel belt is trapezoidal, the plane of the outer side wall of the steel belt is parallel to the axial direction of the motor rotating shaft, the inner side wall of the steel belt is obliquely arranged towards one side, the inclined angle of the inner side wall of the steel belt is consistent with the inclined angle of the outer surface of the bevel gear, the inner side wall of the steel belt is attached and linked to the outer side wall of the bevel gear, and along with the axial movement of the bevel gear, the inner side wall of the steel belt is attached and moved to the outer side wall of the bevel gear; the planet wheel circumferential side wall is arranged to be an inclined structure corresponding to the inner side wall of the steel belt.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention improves the smoothness of the output rotating speed of the motor and avoids the jump of the output rotating speed;
2. the control precision of the output rotating speed of the motor is improved, and the application range is wider;
3. the output rotating speed can be controlled by matching the excitation control with the transformation ratio, the control mode is richer, and the control precision is higher.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the installation structure of a motor rotating shaft and a bevel gear;
FIG. 2 is a schematic view of a mounting structure of a bevel gear and a planet gear;
FIG. 3 is a schematic view of a mounting structure of a planet wheel and an inner fluted disc;
FIG. 4 is a schematic structural view of the elastic pressing mechanism;
FIG. 5 is a schematic view of the inboard end of the third link.
Detailed Description
The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1 to 5, in the motor system having a self-monitoring function of a state, a bevel gear 200 is concentrically disposed on a motor shaft 100, so that the bevel gear 200 rotates synchronously with the motor shaft 100, and the diameter of the bevel gear 200 is gradually reduced from a side close to the motor to an outer side.
A pair of planet wheel 300 symmetric distribution is in the periphery of conical gear 200, the radial position of planet wheel 300 is fixed, the axial position of planet wheel 300 is portable, specifically, the symmetry is provided with a pair of flexible actuating mechanism on the shell of the motor shaft 100 side of the outside output of servo motor 700, flexible actuating mechanism's flexible direction with motor shaft 100 is parallel, flexible actuating mechanism distributes the outside space of motor shaft 100, flexible actuating mechanism includes drive unit 710, guide cylinder 711 and telescopic shaft 712, drive unit 710 drive telescopic shaft 712 is flexible in guide cylinder 711.
The outer diameters of the pair of telescopic drive mechanisms, the outer diameters of the pair of planetary gears 300, and the inner diameter of the inner gear 400 are the same. The telescopic distance of the telescopic driving mechanism is not less than the axial length of the bevel gear 200, so that sufficient space is provided for the axial movement of the planet gears 300, and the telescopic driving mechanism drives the planet gears 300 to synchronously and axially move on the periphery of the bevel gear 200.
The axial direction of the planet wheel 300 is parallel to the axial direction of the motor rotating shaft 100, a bearing 330 is arranged at the shaft center of the planet wheel 300, and the outer end of the telescopic shaft 320 is installed in the fixed bearing 330, so that the planet wheel 300 and the telescopic shaft 320 synchronously move axially.
The inner end of the telescopic shaft 320 is mounted on the housing of the servo motor 700 through a telescopic driving mechanism 710, so that the radial mounting position of the planet wheel 300 is fixed, and the planet wheel 300 can rotate around the telescopic shaft 320 and move axially in synchronization with the telescopic shaft 320.
The plane that a pair of planet wheel 300 is located is perpendicular with motor shaft 100, and is a pair of planet wheel 300 through a steel band 600 with conical gear 200 linkage, that is to say steel band 600 walks around two planet wheel 300 peripheries in proper order, and conical gear 200 linkage is on two steel bands 600 of planet wheel 300 central point and puts for the linkage of three, servo motor 700 drive conical gear 200 rotates, and then drives planet wheel 300 and rotate.
Because the diameters of the peripheries of the conical gears 200 are different, when the planetary gear 300 is driven to axially move, the steel belt 600 can be synchronously driven to axially move on the conical gears 200, the diameter of the conical gear 200 cut into the steel belt 600 can be changed, namely the diameter of the driving wheel is changed, and the output rotating speed of the planetary gear 300 can be changed under the condition that the rotating speed of the servo motor 700 is not changed.
Meanwhile, as the cutting diameters of the bevel gears 200 are different, in order to enable the steel belt 600 to automatically adjust the tightness and enable the steel belt 600 to be always linked with the planet gears 300 and the bevel gears 200, an elastic pressing mechanism is arranged on the outer side of the steel belt 600, the elastic pressing mechanism deflects the steel belt 600 inwards for a certain distance, and when the cutting diameter of the bevel gears 200 is reduced, the elastic pressing mechanism pushes the steel belt 600 inwards to tighten the steel belt 600; when the cutting diameter of the bevel gear 200 becomes large, the steel band 600 outwardly compresses the elastic pressing mechanism, so that the steel band 600 moves outwardly to tighten the steel band 600.
Specifically, the axial position of internal tooth dish 400 is fixed, the axial both ends periphery protrusion of planet wheel 300 is provided with tooth 310, winds on the planet wheel 300 of tooth 310 inboard and establishes steel band 600, tooth 310 with the internal perisporium meshing of internal tooth dish 400 to steel band 600 does not influence the meshing transmission of planet wheel 300 and internal tooth dish 400, and is spacing with steel band 600 on planet wheel 300 through convex tooth 310 in both sides simultaneously, avoids steel band 600 to break away from on planet wheel 300.
Meanwhile, in order to provide enough space for the axial movement of the planet gear 300, the depth of the inner fluted disc 400 is not smaller than the axial length of the bevel gear 200, the axial movement of the planet gear 300 is on the inner peripheral wall of the inner fluted disc 400, two axial ends of the inner peripheral wall of the inner fluted disc 400 are provided with limiting blocks 410 in a protruding mode, the axial movement overtravel of the planet gear 300 is avoided, and the planet gear 300 is guaranteed to move axially in the peripheral space of the bevel gear 200 all the time.
The steel belt 600 synchronously links the bevel gear 200 and the pair of planet gears 300, the servo motor 700 drives the bevel gear 200 to rotate, and then the steel belt 600 drives the planet gears 300 to rotate, so as to drive the inner fluted disc 400 to rotate and output. Due to the speed reduction effect of the reduction gearbox, the output rotating speed of the inner gear disc 400 is smaller than that of the servo motor 700, and meanwhile, the reduction ratio of the reduction gearbox can be continuously adjusted by axially moving the planet wheel 300, namely, the final output rotating speed of the servo motor 700 is continuously adjusted, so that the reduction gearbox is applied to occasions requiring high-precision position control.
The specific structure of the elastic pressing mechanism is as follows:
one of the telescopic shafts 320 is vertically connected with a first connecting rod 520, so that the whole elastic pressing mechanism, the planet wheel 300 and the telescopic shaft 320 synchronously and axially move, and the axial relative positions of the three cannot be changed. The end of the first link 520 is vertically provided with a second link 510, the first link 520 is parallel to a central connecting line between the pair of planet wheels 300, the first link 520 is connected to the center of the second link 510, and the length of the second link 510 is not less than the diameter of the planet wheels 300, so that the elastic pressing mechanism can be clamped outside the steel belt 600. Two ends of the second connecting rod 510 are vertically provided with a third connecting rod 530, the third connecting rod 530 is parallel to the axial direction of the planet gear 300, and the third connecting rod 530 extends towards the direction of the inner toothed disc 400, so that the extending end of the third connecting rod 530 is located at the outer side of the steel belts 600 at two sides, and finally the inner end of the third connecting rod 530 is pressed at the outer side of the steel belt 600 to bend the steel belt 600 inwards by a first distance.
The third link 530 is elastically extensible along the length direction of the second link 510, specifically, a through slot 511 is formed through the second link 510, an end of the third link 530 extends in the direction of the inner toothed disc 400 through the through slot 511, the third link 530 is movable in the through slot 511, a spring 512 is interposed between the third link 530 and the end of the through slot 511, and the spring 512 is in a compressed state and keeps the inner end of the third link 530 pressed against the outer side of the steel belt 600.
Meanwhile, in order to prevent the end tails of the third connecting rods 530 from shaking to cause the situation that the steel belt 600 cannot be compressed, in the invention, the end tails of the two third connecting rods 530 are connected through telescopic loop bars, each telescopic loop bar comprises a telescopic rod 541 and a sleeve 542, the end tails of the third connecting rods 530 are telescopic loop bar connecting rods, and the ends of the third connecting rods 530 are compressed outside the steel belt 600, so that the two third connecting rods 530 are kept in a parallel state, and the situation that the steel belt 600 cannot be compressed due to shaking is avoided.
In the technical scheme, the mounting block 531 protrudes from the inner side end of the third connecting rod 530, the cylindrical head 532 protrudes from the inner side end of the mounting block 531, the cylindrical head 532 is subjected to rounding treatment, the sliding groove 620 is formed in the center of the outer side wall of the steel strip 600, the cylindrical head 532 slides in the sliding groove 620 along with the rotation of the steel strip 600, and after the cylindrical head 532 is subjected to rounding treatment, the frictional resistance with the sliding groove 620 is reduced, so that the end of the third connecting rod 530 can compress the steel strip 600 inwards, and the rotation of the steel strip 600 cannot be influenced.
The longitudinal section of the steel belt 600 is trapezoidal, wherein the plane of the outer side wall of the steel belt 600 is parallel to the axial direction of the motor rotating shaft 100, the inner side wall of the steel belt 600 is inclined towards one side to form an inclined surface structure 610, and the inclined angle of the inner side wall of the steel belt 600 is consistent with the inclined angle of the outer surface of the bevel gear 200, so that the inner side wall of the steel belt 600 is attached and linked to the outer side wall of the bevel gear 200, and along with the axial movement of the planet gear 300, the inner side wall of the steel belt 600 is attached and moved to the outer side wall of the bevel gear 200, and finally, the inner side wall of the; the circumferential side wall of the planet wheel 300 is arranged to be an inclined structure corresponding to the inner side wall of the steel belt 600, so that the steel belt 600 is conveniently in transmission connection with the planet wheel 300. The steel belt 600 is limited between the teeth 310 on the two sides, the steel belt 600 can be synchronously driven to axially move through the planet wheel 300, and the diameter of the contact surface of the steel belt 600 on the bevel gear 200 is continuously changed.
In the working process, the output rotating speed and the position of the servo motor 700 can be changed through a control strategy, the output rotating speed and the position of the servo motor 700 can also be changed by changing the transformation ratio of the reduction gearbox by axially moving the planet wheel 300, and the smoothness of the change of the output rotating speed of the motor is improved and the jump of the output rotating speed is avoided by changing the transformation ratio of the reduction gearbox; meanwhile, the control precision of the output rotating speed of the motor is improved, and the application range is wider; the output rotating speed can be controlled by matching the excitation control with the transformation ratio, the control mode is richer, and the control precision is higher.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a motor system with state is from monitoring function, includes servo motor, its characterized in that: the servo motor is provided with a bevel gear which is concentrically arranged on the periphery of a rotating shaft of the servo motor, and the diameter of the bevel gear is gradually reduced from the side close to the motor to the outer side; the pair of planet wheels are symmetrically distributed on the periphery of the conical gear, the radial positions of the planet wheels are fixed, the axial positions of the planet wheels can move, the pair of planet wheels are linked with the conical gear through a steel belt, an elastic pressing mechanism is arranged on the outer side of the steel belt, and the elastic pressing mechanism deflects the steel belt to the inner side for a certain distance; internal tooth dish, its cover is established a pair of the periphery of planet wheel, the axial position of internal tooth dish is fixed, internal tooth dish internal perisporium with the planet wheel meshing, just planet wheel axial displacement is on internal tooth dish internal perisporium, servo motor passes through the internal tooth dish is outwards exported.
2. The motor system with the self-monitoring function of the state as claimed in claim 1, wherein a pair of telescopic driving mechanisms are symmetrically arranged on the housing on the output motor rotating shaft side of the servo motor, the telescopic driving mechanisms are parallel to the motor rotating shaft, the telescopic driving mechanisms are distributed on the outer side of the motor rotating shaft, the telescopic driving mechanisms comprise a driving unit, a guide cylinder and a telescopic shaft, and the driving unit drives the telescopic shaft to be telescopic in the guide cylinder.
3. The motor system with self-monitoring function for the state as claimed in claim 2, wherein the axis direction of the planetary gear is parallel to the axis direction of the rotating shaft of the motor, a bearing is arranged at the center of the shaft of the planetary gear, and the outer end of the telescopic shaft is fixed in the bearing.
4. The motor system with a state self-monitoring function according to claim 3, wherein a telescopic distance of the telescopic driving mechanism is not less than an axial length of the bevel gear, the telescopic driving mechanism drives the pair of planet gears to synchronously move axially on the periphery of the bevel gear, and a distributed outer diameter of the pair of telescopic driving mechanisms, a distributed outer diameter of the pair of planet gears and an inner diameter of the inner fluted disc are consistent.
5. The motor system with a state self-monitoring function according to claim 4, wherein teeth are convexly arranged on outer peripheries of two axial ends of the planet gears, the teeth are meshed with the inner peripheral wall of the inner fluted disc, the direction of the teeth is consistent with the direction of the teeth on the inner peripheral wall of the inner fluted disc, and the steel belt synchronously links the bevel gear and the pair of planet gears.
6. The motor system with a state self-monitoring function according to claim 5, wherein the depth of the inner toothed disc is not less than the axial length of the bevel gear, the planet gears axially move on the inner peripheral wall of the inner toothed disc, and limit blocks are convexly arranged at two axial ends of the inner peripheral wall of the inner toothed disc.
7. The motor system with a state self-monitoring function according to claim 6, wherein a first connecting rod is vertically connected to one of the telescopic shafts, a second connecting rod is vertically arranged at a tail end of the first connecting rod, the first connecting rod is parallel to a central connecting line between a pair of the planet wheels, the first connecting rod is connected to the center of the second connecting rod, the length of the second connecting rod is not less than the diameter of the planet wheels, third connecting rods are vertically arranged at two ends of the second connecting rod, the third connecting rods are elastically telescopic along the length direction of the second connecting rods, the third connecting rods extend towards the inner toothed disc, and inner ends of the third connecting rods are pressed against the outer side of the steel belt.
8. The motor system with a state self-monitoring function according to claim 7, wherein a through groove is formed in the second connecting rod, an end of the third connecting rod extends through the through groove in the direction of the inner toothed disc, the third connecting rod can move in the through groove, a spring is clamped between the third connecting rod and the end of the through groove, the spring is in a compressed state, and ends and tails of the two third connecting rods are connected through a telescopic loop bar.
9. The motor system with self-monitoring function according to claim 8, wherein an installation block is convexly arranged at the inner side end of the end head of the third connecting rod, a cylindrical head is convexly arranged at the inner side end of the installation block, the cylindrical head is subjected to rounding treatment, a sliding groove is formed in the center of the outer side wall of the steel belt, and the cylindrical head is movably arranged in the sliding groove.
10. The motor system with the self-monitoring function of the state as claimed in claim 9, wherein the longitudinal section of the steel belt is trapezoidal, the plane of the outer side wall of the steel belt is parallel to the axial direction of the motor rotating shaft, the inner side wall of the steel belt is inclined to one side, the inclination angle of the inner side wall of the steel belt is consistent with the inclination angle of the outer surface of the bevel gear, the inner side wall of the steel belt is attached and linked to the outer side wall of the bevel gear, and the inner side wall of the steel belt is attached and moved on the outer side wall of the bevel gear along with the axial movement of the bevel gear; the planet wheel circumferential side wall is arranged to be an inclined structure corresponding to the inner side wall of the steel belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910155328.3A CN109873528B (en) | 2019-03-01 | 2019-03-01 | Motor system with state self-monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910155328.3A CN109873528B (en) | 2019-03-01 | 2019-03-01 | Motor system with state self-monitoring function |
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| CN109873528A CN109873528A (en) | 2019-06-11 |
| CN109873528B true CN109873528B (en) | 2020-09-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336414A (en) * | 2019-07-29 | 2019-10-15 | 江苏科技大学 | A kind of rotor phase can accuracy controlling electric system |
| CN111734798A (en) * | 2020-04-08 | 2020-10-02 | 江苏川钿明椿电气机械有限公司 | High-reliability aluminum wire motor of speed reduction motor |
| CN111576047A (en) * | 2020-06-16 | 2020-08-25 | 上海乐巢家居用品有限公司 | Preparation method of MED compound modified PET fabric |
| CN113404716B (en) * | 2021-05-18 | 2022-10-25 | 杜妮 | Automatic accuse wind type transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US856462A (en) * | 1905-05-29 | 1907-06-11 | Gies Gear Company | Reversing-gear. |
| DE3721993A1 (en) * | 1987-07-03 | 1989-01-19 | Reinhard Bieber | Planet gear |
| CN103711864A (en) * | 2012-10-08 | 2014-04-09 | 李志强 | Cone belt type buncher |
| CN108397530A (en) * | 2018-03-29 | 2018-08-14 | 康蒂泰克驱动系统有限公司 | Multistage transmission structures |
| CN209642489U (en) * | 2019-03-01 | 2019-11-15 | 常州工程职业技术学院 | A kind of electric system with state self-monitoring function |
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2019
- 2019-03-01 CN CN201910155328.3A patent/CN109873528B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US856462A (en) * | 1905-05-29 | 1907-06-11 | Gies Gear Company | Reversing-gear. |
| DE3721993A1 (en) * | 1987-07-03 | 1989-01-19 | Reinhard Bieber | Planet gear |
| CN103711864A (en) * | 2012-10-08 | 2014-04-09 | 李志强 | Cone belt type buncher |
| CN108397530A (en) * | 2018-03-29 | 2018-08-14 | 康蒂泰克驱动系统有限公司 | Multistage transmission structures |
| CN209642489U (en) * | 2019-03-01 | 2019-11-15 | 常州工程职业技术学院 | A kind of electric system with state self-monitoring function |
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Effective date of registration: 20210918 Address after: Room 407-2-6, building C, Tian'an Digital City, 588 Changwu South Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province 213100 Patentee after: CHANGZHOU XIAOGUO INFORMATION SERVICES Co.,Ltd. Address before: 213164 No. 33 Gehuzhong Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU VOCATIONAL INSTITUTE OF ENGINEERING |
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