CN110802571A - Wheel type robot anti-falling protection device - Google Patents
Wheel type robot anti-falling protection device Download PDFInfo
- Publication number
- CN110802571A CN110802571A CN201911218094.9A CN201911218094A CN110802571A CN 110802571 A CN110802571 A CN 110802571A CN 201911218094 A CN201911218094 A CN 201911218094A CN 110802571 A CN110802571 A CN 110802571A
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- fixedly mounted
- protection device
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- robot
- plate
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- 230000005484 gravity Effects 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/007—Manipulators mounted on wheels or on carriages mounted on wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1674—Programme controls characterised by safety, monitoring, diagnostic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1694—Programme controls characterised by use of sensors other than normal servo-feedback from position, speed or acceleration sensors, perception control, multi-sensor controlled systems, sensor fusion
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention belongs to the technical field of intelligent robots, in particular to a wheel type robot anti-falling protection device, aiming at the problem that when an existing wheel type robot is used and meets a bumpy road surface, the robot is always fallen due to unbalance, and the robot is undoubtedly damaged, the invention provides the following scheme, which comprises a base, wherein a robot body is fixedly installed at the top of the base, protection seats are arranged on the periphery of the robot body, a mounting cavity is formed in each protection seat, and an ejection groove is formed in the inner wall of one side of each mounting cavity; when the robot body meets the abnormal route, on the one hand, the gravity center of the base can be adjusted, the condition that the robot body falls down through the abnormal road section is reduced, on the other hand, the arc-shaped anti-collision plate can be popped out from the pop-up groove, and the condition that the robot body is damaged outside due to the fact that the robot body falls down when passing through the abnormal route is prevented.
Description
Technical Field
The invention relates to the technical field of intelligent robots, in particular to an anti-falling protection device for a wheeled robot.
Background
An intelligent robot is called an intelligent robot because it has a well-developed "brain". Functioning in the brain is a central processor, which is in direct contact with the person operating it. Most importantly, such computers can perform purposely arranged actions. Because of this, we say that this is a true robot, although their appearance may be different.
When the existing wheeled robot is used and encounters a bumpy road surface, the robot is usually fallen due to unbalance, and the damage of the robot is undoubtedly caused, so a wheeled robot anti-falling protection device is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects that when a wheeled robot in the prior art is used and encounters a bumpy road surface, the wheeled robot is always unbalanced and falls, and the robot is undoubtedly damaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wheel type robot anti-falling protection device comprises a base, wherein a robot body is fixedly mounted at the top of the base, a protection seat is arranged on the periphery of the robot body, a mounting cavity is formed in the protection seat, an ejection groove is formed in the inner wall of one side of the mounting cavity, two electromagnets which are symmetrically arranged are fixedly mounted on the inner wall of one side of the mounting cavity, a push plate is arranged in the mounting cavity, two limiting seats which are symmetrically arranged are fixedly mounted on one side of the push plate, a sliding plate is fixedly mounted in the limiting seats, a sliding rod is connected onto the sliding plate in a sliding manner, one end of the sliding rod is fixedly connected with the inner wall of one side of the mounting cavity, a buffer spring is sleeved on the outer side of the sliding rod, one end of the buffer spring is fixedly connected with one side of the sliding plate, and the other end of the buffer spring is fixedly connected with one, one side fixed mounting of slurcam has two electro-magnets that the symmetry set up, one side fixed mounting of slurcam has a plurality of elastic air bags, and one side fixed mounting of a plurality of elastic air bags has same buffer board, one side fixed mounting of buffer board has arc anticollision board, the regulation chamber has been seted up on the base, be provided with the focus regulating block on the regulation chamber, the spacing subassembly of top fixedly connected with of focus regulating block, it is provided with the adjusting part who is used for adjusting focus regulating block lateral position to adjust the intracavity.
Preferably, the four corners of the bottom of the base are fixedly provided with universal wheels, and the universal wheels are used for facilitating the robot body to move to any position.
Preferably, the sliding plate is fixedly provided with a linear bearing, the sliding rod penetrates through an inner ring of the linear bearing and is in sliding connection with the inner ring of the linear bearing, and the linear bearing can be used for reducing the friction force of the sliding rod in transverse movement.
Preferably, be provided with the elasticity chamber in the elasticity gasbag, and fixed mounting has same elastic spring on the both sides inner wall in elasticity chamber, utilizes elastic spring can improve the elasticity of elasticity gasbag.
Preferably, the maintenance hole has been seted up on the one side inner wall in regulation chamber, and the downthehole sealed rotation of maintenance articulates there is the maintenance door, utilizes the maintenance door can conveniently carry out maintenance to the part in the regulation intracavity.
Preferably, spacing subassembly includes the screw thread seat of fixed mounting at focus regulating block top, the top fixed mounting of screw thread seat has two L shaped plates that the symmetry set up, the top fixed mounting of L shaped plate has the slider, and sliding connection has same slide bar on two sliders, utilizes slider and slide bar to reduce its frictional force when to focus regulating block lateral shifting.
Preferably, the adjusting part is including rotating the screw rod of installing in adjusting the intracavity, the screw rod runs through the screw thread seat and with screw thread seat threaded connection, the outside cover of screw rod is equipped with two first bevel gears that the symmetry set up, fixed mounting has two driving motor that the symmetry set up on the bottom inner wall in adjusting the chamber, fixed mounting has the second bevel gear on driving motor's the output shaft, and two first bevel gears mesh with two second bevel gears respectively, when needs drive the focus regulating block and carry out lateral shifting and adjust the focus of base, start two driving motor this moment, driving motor passes through first bevel gear and second bevel gear's transmission down, can drive the screw rod and rotate, and screw rod and screw thread seat threaded connection, so can adjust the lateral position of focus regulating block.
Preferably, a gravity center sensor is fixedly installed on the base, a controller is fixedly installed on the robot body, the gravity center sensor is electrically connected with an infrared position sensor, the controller is respectively electrically connected with the electromagnet and the driving motor, the infrared position sensor can be used for detecting the terrain ahead during the running process of the robot body, once the terrain is found to be abnormal, signals are required to be transmitted to the gravity center sensor, the gravity center sensor can adjust the gravity center of the base according to the terrain ahead, the gravity center sensor transmits adjusting signals to the controller, the controller can release the pushing plate by using the electromagnet, under the pushing of the buffer spring, the arc-shaped anti-collision plate can be popped out from the popping groove, the situation that the robot body falls down when passing through an abnormal route is prevented, and the driving motor is started, the horizontal position of the gravity center adjusting block can be adjusted to change the gravity center of the base, the condition that the robot body falls down through an abnormal road section is reduced.
When the robot body encounters an abnormal route, on one hand, the gravity center of the base can be adjusted, so that the condition that the robot body falls down when passing through an abnormal road section is reduced, on the other hand, the arc-shaped anti-collision plate can be ejected out of the ejection groove, and the condition that the robot body is damaged outside due to falling down when passing through the abnormal route is prevented.
Drawings
Fig. 1 is a schematic view of the overall structure of a wheel type robot anti-fall protection device according to the present invention;
fig. 2 is a schematic three-dimensional structure diagram of the protection seat in fig. 1 of the wheel type robot anti-fall protection device provided by the invention;
fig. 3 is a schematic sectional view of the wheeled robot anti-fall protection device of fig. 2 according to the present invention;
fig. 4 is an enlarged structural view of a portion a of fig. 3 of the wheeled robot anti-fall protection device according to the present invention;
fig. 5 is a schematic structural view illustrating the ejection of the arc-shaped collision-prevention plate in fig. 2 of the anti-fall protection apparatus for a wheeled robot according to the present invention;
fig. 6 is a cross-sectional structural view of the base of fig. 1 of the anti-falling protection device for a wheeled robot according to the present invention;
fig. 7 is a block diagram schematically illustrating the anti-fall protection device for a wheeled robot according to the present invention.
In the figure: the robot comprises a base 1, universal wheels 2, a robot body 3, a protective seat 4, a mounting cavity 5, a popup groove 6, a pushing plate 7, a buffer plate 8, an elastic air bag 9, an arc bumper plate 10, an electromagnet 11, a magnet 12, a limiting seat 13, a sliding plate 14, a sliding rod 15, a buffer spring 16, an adjusting cavity 17, a gravity center adjusting block 18, a threaded seat 19, a 20L-shaped plate, a sliding block 21, a sliding rod 22, a screw rod 23, a first bevel gear 24, a driving motor 25, a second bevel gear 26, a controller 27, a gravity center sensor 28 and an infrared position sensor 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-7, the wheel type robot anti-falling protection device comprises a base 1, a robot body 3 is fixedly installed on the top of the base 1, a protection seat 4 is arranged around the robot body 3, a mounting cavity 5 is arranged on the protection seat 4, an ejection slot 6 is arranged on the inner wall of one side of the mounting cavity 5, two electromagnets 11 are symmetrically arranged and fixedly installed on the inner wall of one side of the mounting cavity 5, a pushing plate 7 is arranged in the mounting cavity 5, two limiting seats 13 are symmetrically arranged and fixedly installed on one side of the pushing plate 7, a sliding plate 14 is fixedly installed in the limiting seats 13, a sliding rod 15 is slidably connected on the sliding plate 14, one end of the sliding rod 15 is fixedly connected with the inner wall of one side of the mounting cavity 5, a buffer spring 16 is sleeved on the outer side of the sliding rod 15, one end of the buffer spring 16 is fixedly connected with one side of the sliding plate 14, the other end of the buffer spring 16, two electromagnets 11 which are symmetrically arranged are fixedly installed on one side of the pushing plate 7, a plurality of elastic air bags 9 are fixedly installed on one side of the pushing plate 7, the same buffer plate 8 is fixedly installed on one side of the elastic air bags 9, an arc-shaped anti-collision plate 10 is fixedly installed on one side of the buffer plate 8, an adjusting cavity 17 is formed in the base 1, a gravity center adjusting block 18 is arranged on the adjusting cavity 17, a limiting component is fixedly connected to the top of the gravity center adjusting block 18, and an adjusting component for adjusting the transverse position of the gravity center adjusting block 18 is arranged in the adjusting cavity 17; when robot 3 runs into unusual route, can adjust through the focus to base 1 on the one hand, reduced robot 3 and taking place the condition of tumbleing through unusual highway section, on the other hand then can pop out arc anticollision board 10 from popping out groove 6, prevents that robot 3 from taking place to tumble when the route of passing through unusual and causing the outside condition of damage of robot 3.
Example two
The improvement is further based on the first embodiment: universal wheels 2 are fixedly arranged at four corners of the bottom of the base 1, and the robot body 3 can be conveniently moved to any position by using the universal wheels 2; a linear bearing is fixedly arranged on the sliding plate 14, the sliding rod 15 penetrates through the inner ring of the linear bearing and is in sliding connection with the inner ring of the linear bearing, and the linear bearing can be used for reducing the friction force of the sliding rod 15 in transverse movement; an elastic cavity is arranged in the elastic air bag 9, and the same elastic spring is fixedly arranged on the inner walls of the two sides of the elastic cavity, so that the elasticity of the elastic air bag 9 can be improved by utilizing the elastic spring; a maintenance hole is formed in the inner wall of one side of the adjusting cavity 17, and a maintenance door is hermetically, rotatably and hinged in the maintenance hole, so that the maintenance door can be used for conveniently maintaining the components in the adjusting cavity 17; the limiting assembly comprises a threaded seat 19 fixedly mounted at the top of the gravity center adjusting block 18, two L-shaped plates 20 which are symmetrically arranged are fixedly mounted at the top of the threaded seat 19, sliding blocks 21 are fixedly mounted at the tops of the L-shaped plates 20, the two sliding blocks 21 are connected with a same sliding rod 22 in a sliding mode, and the sliding blocks 21 and the sliding rod 22 can be used for reducing friction force of the gravity center adjusting block 18 when the gravity center adjusting block moves transversely; the adjusting assembly comprises a screw 23 rotatably mounted in the adjusting cavity 17, the screw 23 penetrates through the threaded seat 19 and is in threaded connection with the threaded seat 19, two first bevel gears 24 which are symmetrically arranged are sleeved outside the screw 23, two driving motors 25 which are symmetrically arranged are fixedly mounted on the inner wall of the bottom of the adjusting cavity 17, a second bevel gear 26 is fixedly mounted on an output shaft of the driving motor 25, the two first bevel gears 24 are respectively meshed with the two second bevel gears 26, when the center of gravity adjusting block 18 needs to be driven to move transversely to adjust the center of gravity of the base 1, the two driving motors 25 are started, the driving motors 25 can drive the screw 23 to rotate under the transmission of the first bevel gears 24 and the second bevel gears 26, and the screw 23 is in threaded connection with the threaded seat 19, so that the transverse position of the center of gravity adjusting block 18 can be adjusted; the base 1 is fixedly provided with a gravity center sensor 28, the robot body 3 is fixedly provided with a controller 27, the gravity center sensor 28 is electrically connected with an infrared position sensor 29, the controller 27 is respectively electrically connected with the electromagnet 11 and the driving motor 25, when the robot body 3 runs, the infrared position sensor 29 can be used for detecting the terrain ahead, once the terrain is found to be abnormal, a signal needs to be transmitted to the gravity center sensor 28, the gravity center sensor 28 can adjust the gravity center of the base 1 according to the terrain ahead, at the moment, the gravity center sensor 28 transmits an adjusting signal to the controller 27, the controller 27 can release the push plate 7 by using the electromagnet 11, under the push of the buffer spring 16, the arc-shaped anti-collision plate 10 can be popped out from the pop-out groove 6, and the robot body 3 is prevented from falling down when passing through an abnormal route, and the starting of the driving motor 25 can adjust the transverse position of the gravity center adjusting block 18 to change the gravity center of the base 1, so that the condition that the robot body 3 falls down through an abnormal road section is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The wheel type robot anti-falling protection device comprises a base (1) and is characterized in that a robot body (3) is fixedly mounted at the top of the base (1), protection seats (4) are arranged on the periphery of the robot body (3), a mounting cavity (5) is formed in each protection seat (4), an ejection groove (6) is formed in the inner wall of one side of each mounting cavity (5), two electromagnets (11) which are symmetrically arranged are fixedly mounted on the inner wall of one side of each mounting cavity (5), a pushing plate (7) is arranged in each mounting cavity (5), two limiting seats (13) which are symmetrically arranged are fixedly mounted on one side of each pushing plate (7), a sliding plate (14) is fixedly mounted in each limiting seat (13), a sliding rod (15) is connected onto each sliding plate (14), and one end of each sliding rod (15) is fixedly connected with the inner wall of one side of each mounting cavity (5), a buffer spring (16) is sleeved on the outer side of the sliding rod (15), one end of the buffer spring (16) is fixedly connected with one side of the sliding plate (14), the other end of the buffer spring (16) is fixedly connected with one side of the sliding rod (15), two electromagnets (11) which are symmetrically arranged are fixedly arranged on one side of the push plate (7), a plurality of elastic air bags (9) are fixedly arranged on one side of the pushing plate (7), one same buffer plate (8) is fixedly arranged on one side of each elastic air bag (9), an arc-shaped anti-collision plate (10) is fixedly arranged on one side of the buffer plate (8), an adjusting cavity (17) is arranged on the base (1), a gravity center adjusting block (18) is arranged on the adjusting cavity (17), the top fixedly connected with spacing subassembly of focus regulating block (18), be provided with the adjusting part that is used for adjusting focus regulating block (18) lateral position in adjusting chamber (17).
2. The wheeled robot anti-fall protection device according to claim 1, wherein universal wheels (2) are fixedly mounted at four corners of the bottom of the base (1).
3. The wheeled robot anti-fall protection device according to claim 1, wherein a linear bearing is fixedly mounted on the sliding plate (14), and the sliding rod (15) penetrates through and is slidably connected with an inner ring of the linear bearing.
4. The wheeled robot anti-fall protection device according to claim 1, wherein an elastic chamber is provided in the elastic air bag (9), and the same elastic spring is fixedly mounted on the inner walls of both sides of the elastic chamber.
5. The wheeled robot anti-fall protection device according to claim 1, wherein a maintenance hole is formed in an inner wall of one side of the adjustment cavity (17), and a maintenance door is hinged in the maintenance hole in a sealing and rotating manner.
6. The wheeled robot anti-fall protection device according to claim 1, wherein the limiting assembly comprises a threaded seat (19) fixedly mounted at the top of the gravity center adjusting block (18), two L-shaped plates (20) symmetrically arranged are fixedly mounted at the top of the threaded seat (19), a sliding block (21) is fixedly mounted at the top of each L-shaped plate (20), and the two sliding blocks (21) are connected with the same sliding rod (22) in a sliding manner.
7. The wheeled robot anti-fall protection device according to claim 1, characterized in that the adjusting assembly comprises a screw rod (23) rotatably installed in the adjusting cavity (17), the screw rod (23) penetrates through the threaded seat (19) and is in threaded connection with the threaded seat (19), two first bevel gears (24) symmetrically arranged are sleeved on the outer side of the screw rod (23), two driving motors (25) symmetrically arranged are fixedly installed on the inner wall of the bottom of the adjusting cavity (17), a second bevel gear (26) is fixedly installed on the output shaft of the driving motors (25), and the two first bevel gears (24) are respectively meshed with the two second bevel gears (26).
8. The wheeled robot anti-fall protection device according to claim 1, wherein a gravity center sensor (28) is fixedly mounted on the base (1), a controller (27) is fixedly mounted on the robot body (3), the gravity center sensor (28) is electrically connected with an infrared position sensor (29), and the controller (27) is electrically connected with the electromagnet (11) and the driving motor (25) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218094.9A CN110802571A (en) | 2019-12-03 | 2019-12-03 | Wheel type robot anti-falling protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218094.9A CN110802571A (en) | 2019-12-03 | 2019-12-03 | Wheel type robot anti-falling protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110802571A true CN110802571A (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911218094.9A Pending CN110802571A (en) | 2019-12-03 | 2019-12-03 | Wheel type robot anti-falling protection device |
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| Country | Link |
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| CN (1) | CN110802571A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907669A (en) * | 2019-12-20 | 2020-03-24 | 南京慧亦普系统集成有限公司 | Intelligent network troubleshooting calibration device |
| CN112416095A (en) * | 2021-01-05 | 2021-02-26 | 郑州工业应用技术学院 | Server buffer stop for big data based on computer |
| CN112894749A (en) * | 2021-01-15 | 2021-06-04 | 林亚平 | Artificial intelligence robot with protective structure |
| CN113001591A (en) * | 2021-04-07 | 2021-06-22 | 李上清 | Intelligent interaction robot prevents falling device |
| CN113380085A (en) * | 2021-06-17 | 2021-09-10 | 刘少辉 | Intelligent education robot |
| CN113524142A (en) * | 2020-04-15 | 2021-10-22 | 广西安全工程职业技术学院 | Electromechanical integrated robot base fixing device |
| CN113953990A (en) * | 2021-09-22 | 2022-01-21 | 唐军 | Robot for student teaching |
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| CN208530494U (en) * | 2018-07-02 | 2019-02-22 | 清远市敬威能源开发有限公司 | A kind of new-energy automobile anticollision device, collision-prevention device of multilayer buffering |
| CN109501879A (en) * | 2018-12-28 | 2019-03-22 | 尚盛世(北京)科技有限公司 | A kind of traceable formula caterpillar robot that anticollision ability is strong |
| CN110424650A (en) * | 2019-07-12 | 2019-11-08 | 清华大学建筑设计研究院有限公司 | A kind of assembled anti-knock stair |
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| CN104773272A (en) * | 2015-04-10 | 2015-07-15 | 哈尔滨工程大学 | Gravity center adjusting device of operation type underwater robot |
| CN208157883U (en) * | 2018-02-11 | 2018-11-27 | 烟台飞马瓦特热交换技术有限公司 | A kind of electrical cabinet with collision prevention function |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907669A (en) * | 2019-12-20 | 2020-03-24 | 南京慧亦普系统集成有限公司 | Intelligent network troubleshooting calibration device |
| CN110907669B (en) * | 2019-12-20 | 2021-11-16 | 南京慧亦普系统集成有限公司 | Intelligent network troubleshooting calibration device |
| CN113524142A (en) * | 2020-04-15 | 2021-10-22 | 广西安全工程职业技术学院 | Electromechanical integrated robot base fixing device |
| CN112416095A (en) * | 2021-01-05 | 2021-02-26 | 郑州工业应用技术学院 | Server buffer stop for big data based on computer |
| CN112416095B (en) * | 2021-01-05 | 2022-09-20 | 郑州工业应用技术学院 | Server buffer stop for big data based on computer |
| CN112894749A (en) * | 2021-01-15 | 2021-06-04 | 林亚平 | Artificial intelligence robot with protective structure |
| CN113001591A (en) * | 2021-04-07 | 2021-06-22 | 李上清 | Intelligent interaction robot prevents falling device |
| CN113001591B (en) * | 2021-04-07 | 2023-01-03 | 华芯电子科技(江苏)有限公司 | Intelligent interaction robot prevents falling device |
| CN113380085A (en) * | 2021-06-17 | 2021-09-10 | 刘少辉 | Intelligent education robot |
| CN113953990A (en) * | 2021-09-22 | 2022-01-21 | 唐军 | Robot for student teaching |
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Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |