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CN101007550A - Bionic leg-driving and transmission device for multiple joint robot - Google Patents

Bionic leg-driving and transmission device for multiple joint robot Download PDF

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Publication number
CN101007550A
CN101007550A CN 200710063136 CN200710063136A CN101007550A CN 101007550 A CN101007550 A CN 101007550A CN 200710063136 CN200710063136 CN 200710063136 CN 200710063136 A CN200710063136 A CN 200710063136A CN 101007550 A CN101007550 A CN 101007550A
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motor
bevel gear
cover
spiral bevel
big
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CN100434332C (en
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韩宝玲
罗庆生
徐嘉
潘登
张辉
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Abstract

仿生六足多关节型机器人的腿部驱动传动装置由基节组件、胫节组件和股节组件构成。机器人的抬腿动作是依靠基节组件与胫节组件之间、胫节组件和股节组件之间的相对运动来完成的。机器人的摆腿动作是依靠基节组件本身的内部转动实现的。该装置采用开链机构,装置上的每个关节都能单独控制,具有承载力大、可达域广、结构紧凑、控制简单、步态稳定、运动灵活等特点,并且具有较好的柔性。

Figure 200710063136

The leg driving transmission device of the bionic hexapod multi-joint robot is composed of base joint assembly, tibia joint assembly and femoral joint assembly. The leg-lifting action of the robot is accomplished by the relative motion between the base joint assembly and the tibia joint assembly, and between the tibia joint assembly and the femoral joint assembly. The robot's leg swinging action is realized by relying on the internal rotation of the base joint assembly itself. The device adopts an open-chain mechanism, and each joint on the device can be controlled individually. It has the characteristics of large bearing capacity, wide reachable area, compact structure, simple control, stable gait, flexible movement, etc., and has good flexibility.

Figure 200710063136

Description

Bionic leg-driving and transmission device for multiple joint robot
Technical field
The invention belongs to the bio-robot technical field, be specifically related to a kind of leg-driving and transmission device of bionical six sufficient articulated robots.
Background technology
Because this limitation on behavior of structure and mode of motion of wheeled driving vehicle, make it be difficult in the efficient down motion of road surface environment rugged or inclement condition, and the polypody walking robot has fabulous complex-terrain adaptive capacity, make it stabilized walking on non-regular road surface, therefore bionical polypody walking robot has wide application prospect in many industries.
Leg mechanism is the key component that the polypody walking robot is realized efficient walking.At present common leg mechanism has four-bar mechanism formula, pantographic, telescopic and articulated type or the like.The advantage of articulated type leg mechanism is compact conformation, control is simple, motion is flexible.In addition, because the employing of articulated type leg mechanism is the form of true-running joint combination, it is bigger that sufficient end can reach the territory, has stronger pose recovery ability under the fuselage instability status.For dexterous type high-mobility, multipurpose, wheeled vehicle walking robot, the articulated type leg mechanism more meets the needs of its actual motion under different pavement conditions.
Summary of the invention
The object of the present invention is to provide a kind of leg-driving and transmission device of bionical six sufficient articulated robots, this device adopts open chain mechanism, each joint on the device can both be controlled separately, have bearing capacity big, can reach that the territory is wide, characteristics such as compact conformation, control are simple, gait stability, motion are flexible, and have flexible preferably.
In order to realize the foregoing invention purpose, a kind of leg-driving and transmission device for multiple joint robot base pitch assembly, tibia assembly and meropodium assembly constitute.It is characterized in that the base pitch assembly comprises cover for seat, motor component, upper end cover, motor cover and big spiral bevel gear parts such as (this gear are fixed on the support arm inboard of motor cover).Wherein, cover for seat is connected by screw and robot body, and inlays a bearing separately in its upper and lower side two collimation through holes, and the motor component inserts in the race, inner of these two bearings circumferentially fixing to realize; Upper end cover utilizes the profile hole on it to be enclosed within that realizing on the output shaft of motor component is shaped connects, and with screw upper end cover is fixed on the cover for seat, makes the output shaft and the cover for seat of upper end cover and motor component become the body that is connected; A motor cover is housed on the motor component, locked with the motor component with screw the motor cover, make motor cover and motor component become the body that is connected; Like this when motor-driven, because of having formed by upper end cover and cover for seat and robot body, motor component output shaft is connected, this output shaft can not produce and rotatablely move, according to " relative motion invariability " principle, at this moment motor component body will drive motor cover (together with the big support in the tibia assembly) and rotate around motor output shaft in the lump.The swaying legs action of bionical six biped robots relies on above-mentioned transmission to finish.The tibia assembly comprises big support, motor component, small spiral bevel gear and big spiral bevel gear, big support internal fixation has the motor component, small spiral bevel gear is installed on the output shaft of motor component, and with the big spiral bevel gear engagement that is fixed on motor cover support arm inboard, because of big spiral bevel gear is connected and can not rotates with the motor cover, so the output movement of motor component will become big support overlaps the big spiral bevel gear axis of support arm far-end around motor together with motor component on it and small spiral bevel gear rotation.The meropodium assembly comprises small rack, motor component, small spiral bevel gear, two deep groove ball bearings and sufficient cover.The small rack internal fixation has the motor component, small spiral bevel gear is installed on the output shaft of motor component, and with the big spiral bevel gear engagement that is fixed on big rack far end support arm inboard, because of big spiral bevel gear is connected and can not rotates with big support, so the output movement of motor component will become small rack together with the rotation around the big spiral bevel gear axis in big rack far end support arm place of the motor component on it, small spiral bevel gear and foot cover.The foot cover is connected the lower end of small rack.The leg action of lifting of bionical six biped robots is finished by the above-mentioned rotation of tibia assembly and meropodium assembly.
In the said structure, described motor component comprises coder, direct current brushless servo motor and gear reducer.
In the said structure, described small spiral bevel gear and big spiral bevel gear is characterized in that spiral bevel gear transmission flank of tooth stress is little, and load-carrying capacity is strong, and stable working is insensitive to installation error and distortion, and axial force has nothing to do with rotation direction.
The invention has the advantages that:
(1) drive motor and drive disk assembly all are contained in the inside of leg, and be rationally distributed, design is exquisite, volume is small and exquisite, compact conformation, has both reduced the space hold rate, also helps the motor cabling;
(2) range of movement in each joint and degreeof turn are very big, and the pendulum angle in root joint can reach 180 °, and thigh can be around 150 ° of its joint upsets, and shank can be around 300 ° of its joint upsets;
(3) transmission device adopts circle-arc tooth finishing bevel gear cuter kinematic pair, improve than the distribution of stress of spur bevel gear wheel and force-bearing situation a lot, running steadily, noise is low, vibrate little, long service life.
Description of drawings
Accompanying drawing 1 is the integral layout of bionical six sufficient articulated robots;
Accompanying drawing 2 (a) is a robot leg portion mechanism scheme drawing, (b) is base pitch assembly cutaway view;
Accompanying drawing 3 is the birds-eye view of robot leg portion mechanism scheme drawing;
In the accompanying drawing: 1-body, 2-shank device, 3-cover for seat, 4-motor cover, 5-motor component, 6-upper end cover, 7-big support, 8-small rack, 9-foot cover, 10-adapter shaft, 11-big spiral bevel gear, 12-small spiral bevel gear.
The specific embodiment
As shown in Figure 1, bionical six sufficient articulated robots comprise body 1 and shank device 2, and its six identical shank devices 2 are distributed in the right and left of body 1 side by side, and each shank device all has the cover of one shown in Fig. 2 (or Fig. 3) drive transmission.
Shown in Fig. 2 (a), leg-driving and transmission device is made of base pitch assembly, tibia assembly and meropodium assembly.Shown in Fig. 2 (b), the base pitch assembly comprises cover for seat 3, motor cover 4, motor component 5 and upper end cover 6 and big spiral bevel gear 11; Embedded bearing separately in the cover for seat 3 upper and lower sides two collimation through holes, motor component 5 inserts in the race, inner of these two bearings; Upper end cover 6 utilizes the profile hole on it to be enclosed within that realizing on the output shaft of motor component 5 is shaped connects, and with screw upper end cover 6 is fixed on the cover for seat 3; Motor component 5 tightens intrinsic motor cover 4, because motor component output shaft has formed with robot body by upper end cover 6 and cover for seat 3 and has been connected, when motor-driven, the big support 7 that motor component body will drive in motor cover 4 and the tibia assembly rotates around motor output shaft in the lump.As Fig. 2 (a) and shown in Figure 3, the tibia assembly comprises big support 7, and big support 7 internal fixation have motor component 5, and small spiral bevel gear 12 is installed on the output shaft of motor component 5; The meropodium assembly comprises small rack 8, and small rack 8 internal fixation have motor component 5, and small spiral bevel gear 12 is installed on the output shaft of motor component 5, and foot cover 9 is connected the lower end of small rack 8.Between base pitch assembly and the tibia assembly is to link to each other with adapter shaft 10 with big spiral bevel gear 11, and big spiral bevel gear 11 and adapter shaft 10 are screwed on motor cover 4; Between tibia assembly and the meropodium assembly also is to link to each other with adapter shaft 10 with big spiral bevel gear 11, and big spiral bevel gear 11 and adapter shaft 10 are to be screwed in big support 7 lower ends.
When the robot swinging kick, the output shaft of motor component 5 is static with respect to cover for seat 3 in the base pitch assembly, and what rotate is motor component 5 itself, and motor component 5 drives motor cover 4 and together rotates in the horizontal direction when rotating, with the motor cover 4 tibia assemblies that link to each other also rotation thereupon.When robot lifts thigh, driven by motor small spiral bevel gear 12 in the tibia assembly rotates, by the gear motion of small spiral bevel gear 12 and big spiral bevel gear 11 make whole tibia assembly can be in vertical direction be that rotate in the center of circle with the center of adapter shaft 10; When robot lifts shank, driven by motor small spiral bevel gear 12 in the meropodium assembly rotates, by the gear motion of small spiral bevel gear 12 and big spiral bevel gear 11 make whole meropodium assembly can be in vertical direction be that rotate in the center of circle with the center of adapter shaft 10.Final by the control of three motors being finished the running of the whole shank of robot.

Claims (5)

1. bionic leg-driving and transmission device for multiple joint robot, this device is made of base pitch assembly, tibia assembly and meropodium assembly, it is characterized in that: described base pitch assembly comprises cover for seat 3, motor cover 4, motor component 5 and upper end cover 6 and big spiral bevel gear 11; Embedded bearing separately in the cover for seat 3 upper and lower sides two collimation through holes, motor component 5 inserts in the race, inner of these two bearings; Upper end cover 6 utilizes the profile hole on it to be enclosed within that realizing on the output shaft of motor component 5 is shaped connects, and with screw upper end cover 6 is fixed on the cover for seat 3; Motor component 5 tightens intrinsic motor cover 4, because motor component output shaft has formed with robot body by upper end cover 6 and cover for seat 3 and has been connected, when motor-driven, the big support 7 that motor component body will drive in motor cover 4 and the tibia assembly rotates around motor output shaft in the lump;
Described tibia assembly comprises big support 7, motor component 5, small spiral bevel gear 12 and big spiral bevel gear 11, big support 7 internal fixation have motor component 5, small spiral bevel gear 12 is installed on the output shaft of motor component 5, and be fixed on big spiral bevel gear 11 engagement that motor overlaps 4 support arm inboards, because of big spiral bevel gear 11 is connected and can not rotates with motor cover 4,, the output of motor component 5 will become big support 7 overlaps big spiral bevel gear 11 axis of 4 support arm far-ends around motor rotation so rotating;
Described meropodium assembly comprises small rack 8, motor component 5, small spiral bevel gear 12 and foot cover 9, small rack 8 internal fixation have motor component 5, small spiral bevel gear 12 is installed on the output shaft of motor component 5, and with big spiral bevel gear 11 engagement that is fixed on big support 7 far-end support arm inboards, because of big spiral bevel gear 11 is connected and can not rotates with big support 7, so the output movement of motor component 5 will become the rotation of small rack 8 around big spiral bevel gear 11 axis in big support 7 far-end support arm places; Foot cover 9 is connected the lower end of small rack 8.
2. bionic leg-driving and transmission device for multiple joint robot according to claim 1 is characterized in that: be to link to each other with adapter shaft 10 by being fixed on the big spiral bevel gear 11 that motor overlaps on the 4 support arm inboards between described base pitch assembly and the tibia assembly.
3. bionic leg-driving and transmission device for multiple joint robot according to claim 1 is characterized in that: between described tibia assembly and the meropodium assembly is to link to each other with adapter shaft 10 by the big spiral bevel gear 11 that is fixed on big support 7 lower ends.
4. bionic leg-driving and transmission device for multiple joint robot according to claim 1, it is characterized in that: the output shaft of motor component 5 is static with respect to cover for seat 3 in the described base pitch assembly, and rotation is that motor component 5 is own, the rotation of motor component 5 drives motor cover 4 and rotates in the horizontal direction, can finish the swaying legs action of robot; The tibia assembly is around the rotation around tibia assembly adapter shaft of the rotation of base pitch assembly adapter shaft and meropodium assembly, and that can finish robot compoundly lifts the leg action.
5. bionic leg-driving and transmission device for multiple joint robot according to claim 1 is characterized in that described small spiral bevel gear 12 is directly installed on the output shaft of motor component 5, does not have the middle transitional link.
CNB2007100631367A 2007-01-29 2007-01-29 Bionic multi-joint robot leg drive transmission Expired - Fee Related CN100434332C (en)

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CN102009702A (en) * 2010-11-19 2011-04-13 三一重工股份有限公司 Engineering machinery and crawler type running system thereof
CN102139715A (en) * 2011-01-31 2011-08-03 郑宇� Novel robot walking mechanism and method
CN102556198A (en) * 2011-12-29 2012-07-11 浙江大学 Six-foot walking robot
CN102591347A (en) * 2012-01-19 2012-07-18 河海大学常州校区 Multi-leg mobile platform and attitude and height control method thereof
CN103552679A (en) * 2013-11-18 2014-02-05 北京理工大学 Small four-axle autonomous underwater robot based on vector thrust
CN104080579A (en) * 2012-05-17 2014-10-01 韩国海洋科学技术院 Hexapod walking robot with hand and foot dual-purpose mechanical arm and multiple joints
CN104444972A (en) * 2014-10-30 2015-03-25 张晶 Mobile equipment
CN104444904A (en) * 2014-10-30 2015-03-25 张晶 Mobile illumination type operating floor
CN104477826A (en) * 2014-10-30 2015-04-01 张晶 Remote control mobile workbench
CN104591029A (en) * 2014-10-30 2015-05-06 张晶 Moving lifting device
CN104742995A (en) * 2015-04-07 2015-07-01 哈尔滨工业大学深圳研究生院 Modularized leg unit of multi-foot mobile robot
CN104908836A (en) * 2014-06-06 2015-09-16 苏州晓炎自动化设备有限公司 Six-legged laser robot
CN105083410A (en) * 2014-11-18 2015-11-25 芜湖蓝宙电子科技有限公司 Hexapod robot
CN105730546A (en) * 2016-02-02 2016-07-06 上海交通大学 3D printing technology-based minitype bionic six-legged robot
CN105905187A (en) * 2016-06-22 2016-08-31 北京科技大学 Bionic regular-hexagon hexapod robot
CN106114672A (en) * 2016-06-25 2016-11-16 李玉婷 A kind of Hexapod Robot
CN106926995A (en) * 2017-01-22 2017-07-07 浙江大学 It is a kind of to be suitable to the walking robot of environments such as subsea
CN106945745A (en) * 2017-05-02 2017-07-14 吉林大学 A kind of sufficient mobile platform of double-deck disc type six
CN108639180A (en) * 2018-05-15 2018-10-12 北京理工大学 Three leg section leg structures of one kind and quadruped robot
CN109018064A (en) * 2018-08-24 2018-12-18 北京理工大学 Leg foot type bionic machine mouse
CN109367646A (en) * 2018-11-19 2019-02-22 中国船舶重工集团公司第七〇九研究所 A kind of modular reconfigurable multi-foot robot
CN109795577A (en) * 2019-03-29 2019-05-24 韶关学院 A six-legged bionic robot
CN109866917A (en) * 2017-12-04 2019-06-11 中国飞机强度研究所 A kind of bionic leg undercarriage
CN110053684A (en) * 2019-04-24 2019-07-26 哈尔滨理工大学 It is a kind of suitable for the climbing robot leg device of slope pavement and control
CN111267141A (en) * 2020-04-09 2020-06-12 白志超 Extensible robot joint and switchable robot with driving modes formed by same
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CN100404351C (en) * 2005-08-23 2008-07-23 王少玉 Bionic walking mechanical carrier, recreational vehicle and making and using method thereof
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CN102009702B (en) * 2010-11-19 2012-09-05 三一重工股份有限公司 Engineering machinery and crawler type running system thereof
CN102009702A (en) * 2010-11-19 2011-04-13 三一重工股份有限公司 Engineering machinery and crawler type running system thereof
CN102139715A (en) * 2011-01-31 2011-08-03 郑宇� Novel robot walking mechanism and method
CN102556198A (en) * 2011-12-29 2012-07-11 浙江大学 Six-foot walking robot
CN102591347A (en) * 2012-01-19 2012-07-18 河海大学常州校区 Multi-leg mobile platform and attitude and height control method thereof
CN102591347B (en) * 2012-01-19 2014-07-30 河海大学常州校区 Multi-leg mobile platform and attitude and height control method thereof
CN104080579A (en) * 2012-05-17 2014-10-01 韩国海洋科学技术院 Hexapod walking robot with hand and foot dual-purpose mechanical arm and multiple joints
CN104080579B (en) * 2012-05-17 2016-08-24 韩国海洋科学技术院 A hexapod walking robot with a dual-handed robotic arm and multiple joints
CN103552679A (en) * 2013-11-18 2014-02-05 北京理工大学 Small four-axle autonomous underwater robot based on vector thrust
CN104908836A (en) * 2014-06-06 2015-09-16 苏州晓炎自动化设备有限公司 Six-legged laser robot
CN104477826A (en) * 2014-10-30 2015-04-01 张晶 Remote control mobile workbench
CN104591029A (en) * 2014-10-30 2015-05-06 张晶 Moving lifting device
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CN105083410A (en) * 2014-11-18 2015-11-25 芜湖蓝宙电子科技有限公司 Hexapod robot
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CN106926995A (en) * 2017-01-22 2017-07-07 浙江大学 It is a kind of to be suitable to the walking robot of environments such as subsea
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CN108639180A (en) * 2018-05-15 2018-10-12 北京理工大学 Three leg section leg structures of one kind and quadruped robot
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CN109795577A (en) * 2019-03-29 2019-05-24 韶关学院 A six-legged bionic robot
CN109795577B (en) * 2019-03-29 2023-08-25 韶关学院 A hexapod bionic robot
CN110053684A (en) * 2019-04-24 2019-07-26 哈尔滨理工大学 It is a kind of suitable for the climbing robot leg device of slope pavement and control
CN110053684B (en) * 2019-04-24 2021-06-01 哈尔滨理工大学 Leg device and control of crawling robot suitable for slope road surface
CN111267141A (en) * 2020-04-09 2020-06-12 白志超 Extensible robot joint and switchable robot with driving modes formed by same
CN114193465A (en) * 2021-09-14 2022-03-18 宁波大学 A multi-legged collaborative bionic robot
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CN114044068A (en) * 2021-12-07 2022-02-15 深圳市坤易电子有限公司 High-speed movement mode of crawling robot

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