CN214189854U - Cooperative interaction robot based on wheel-foot type hybrid movement - Google Patents
Cooperative interaction robot based on wheel-foot type hybrid movement Download PDFInfo
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- CN214189854U CN214189854U CN202023242839.6U CN202023242839U CN214189854U CN 214189854 U CN214189854 U CN 214189854U CN 202023242839 U CN202023242839 U CN 202023242839U CN 214189854 U CN214189854 U CN 214189854U
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Abstract
The utility model provides a cooperation interactive robot based on wheel sufficient formula hybrid mobile. The cooperative interactive robot based on wheel-foot type hybrid movement comprises a robot body, a cooperative mechanical arm, a first leg module and a second leg module; the first leg module comprises a foot and a support wheel; the second leg module includes a first drive wheel and a second drive wheel, the leg module having two modes of operation: a foot mode and a wheel mode; in the wheel mode, the supporting wheels assist in supporting the machine body, the first driving wheels and the second driving wheels drive the cooperative interactive robot to move together, and the steering of the cooperative interactive robot is realized by controlling the rotating speed difference between the first driving wheels and the second driving wheels; in the foot mode, the second leg module and the supporting wheels are suspended, and the foot of each first leg module alternately touches the ground to drive the cooperative interactive robot to move. Compared with the prior art, the utility model discloses a position transfer efficiency obtains very big promotion. In addition, when in the foot mode, the rapid steering of the cooperative interactive robot can be realized.
Description
Technical Field
The utility model belongs to the technical field of the robot, concretely relates to cooperation interactive robot based on wheel foot formula hybrid movement.
Background
In the field of collaborative interactive robot research, a support platform where a mechanical arm is located limits the scope of collaborative interaction of the robot (namely the working scope of the mechanical arm), and designing a movable support platform is a difficult point of research.
The invention patent with the publication number of CN101947777B and publication date of 2012.07.04 discloses a wheel-foot combined obstacle-surmounting non-contact magnetic adsorption type wall-climbing robot system, which comprises: the robot comprises a robot frame, five-degree-of-freedom mechanical arms, three groups of movable adsorption mechanisms, linear slide rails, a lead screw and a driving motor, wherein the three groups of movable adsorption mechanisms correspond to the linear slide rails, the lead screw and the driving motor, the five-degree-of-freedom mechanical arms are located above the robot frame, the three groups of linear slide rails and the lead screw are vertically arranged below the robot frame, two ends of the three groups of linear slide rails and the lead screw are respectively connected with the robot frame and the movable adsorption mechanisms, and the driving motor is fixedly connected with the movable adsorption mechanisms.
But above-mentioned wheel foot combination hinders non-contact magnetic adsorption formula wall climbing robot system when horizontal plane work, if meet the obstacle, need three groups to remove adsorption equipment and go up and down in turn, efficiency is lower. In addition, under a wheel type moving mode, steering can be realized only through differential speed of driving wheels, and when large-angle steering is needed in a small range, steering is inconvenient, and work of the mechanical arm is affected.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cooperation interactive robot based on wheel foot formula hybrid mobile to overcome the position transfer inefficiency of the cooperation interactive robot among the above-mentioned prior art, thereby turn to the problem of inconvenient influence arm work.
In order to achieve the above object, the present invention provides the following technical solutions: cooperative interactive robot based on wheel-foot hybrid movement, comprising:
a body;
the leg module is arranged on the body and used for driving the cooperative interaction robot to move, and the leg module comprises a first leg module and a second leg module;
the first leg modules are wheel-foot type leg modules, the number of the first leg modules is four, the first leg modules are arranged at the left side and the right side of the machine body respectively, the first leg modules at the same side are arranged along the front-back direction of the machine body, and each first leg module comprises a foot part and a supporting wheel;
the second leg module is fixed on the machine body and comprises a first driving wheel and a second driving wheel, the first driving wheel is driven by a first motor, the second driving wheel is driven by a second motor, and the axes of the first driving wheel and the second driving wheel are overlapped;
the leg module has two modes of operation: a foot mode and a wheel mode;
when the leg module is in a wheel mode, the support wheel assists to support the machine body, the foot part of the first leg module is suspended, the first driving wheel and the second driving wheel drive the cooperative interaction robot to move together, and the steering of the cooperative interaction robot is realized by controlling the rotating speed difference between the first driving wheel and the second driving wheel;
when the robot is in a foot mode, the second leg module and the supporting wheel are suspended, and the foot part of each first leg module alternately touches the ground to drive the cooperative interaction robot to move;
a cooperative mechanical arm disposed on the fuselage; the cooperative mechanical arm has a retracted state, when the leg module drives the cooperative interaction robot to move, the cooperative mechanical arm is in the retracted state, and the center of mass of the cooperative mechanical arm is collinear with the center of mass of the body in the vertical direction.
Further, the cooperation mechanical arm comprises a base, the cooperation mechanical arm is installed on the machine body through the base, and the installation position of the base is located right above the mass center of the machine body.
Further, the cooperation interactive robot still includes the abduction motor, the abduction motor is fixed on the fuselage, the output of abduction motor is connected first leg module is in order to drive first leg module winds the axis of the output of abduction motor is in the left and right sides direction swing of fuselage.
Furthermore, the first leg module further comprises a thigh driving motor, a shank driving motor, a hinge shaft, a thigh and a shank;
the lower end part of the thigh is hinged with the upper end part of the shank through the hinge shaft, and the foot part is arranged at the lower end part of the shank;
the thigh driving motor is fixed at the output end of the abduction motor, and the upper end part of the thigh is arranged at the output end of the thigh driving motor;
the shank driving motor is used for driving the shank to swing around the hinge shaft.
Furthermore, a driven wheel is fixed on the shank, a driving wheel is arranged at the output end of the shank driving motor, a transmission belt is arranged between the driving wheel and the driven wheel, the shank driving motor transmits power to the driven wheel through the driving wheel and the transmission belt, and the driven wheel drives the shank to swing around the hinge shaft.
Further, the thigh comprises: the structure plate comprises two structure plates and a connecting piece, wherein the two structure plates are arranged in parallel, and the connecting piece is connected with the two structure plates;
the driving wheel, the transmission belt and the driven wheel are all arranged between the two structural plates.
Furthermore, the driven wheel is sleeved on the hinge shaft through a bearing.
Furthermore, the thigh driving motor is a frameless motor, the shank driving motor is arranged in an inner cavity of the frameless motor, and an output shaft of the shank driving motor extends out of the frameless motor.
Furthermore, the supporting wheel is sleeved on the hinge shaft through a bearing.
Further, a center of mass of the second leg module is vertically collinear with a center of mass of the fuselage.
Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect at least:
1) among the technical scheme that this application provided, the leg module has wheel mode and sufficient mode two kinds of modes, when being in the wheel mode, can be in smooth plane internal fast moving. When the device is in the foot mode, the device can be suitable for rough road surfaces and can quickly avoid obstacles. Compared with the prior art, the position transfer efficiency of the collaborative interactive robot is greatly improved, and the working radius of the collaborative interactive robot is ensured. In addition, when the robot is in the foot mode, the rapid steering of the cooperative interaction robot can be realized, so that the cooperative interaction robot can be suitable for narrow working environments, and the working conditions suitable for the cooperative interaction robot are increased.
2) The setting of abduction motor can adjust the position of first leg module, and further be applicable to various topography.
3) The first leg module consists of a thigh and a shank, and different swinging of the thigh and the shank forms movement of the shank, so that power compensation during leg movement is realized, and output torque of a thigh driving motor and a shank driving motor is effectively reduced.
4) The shank driving motor drives the shank to swing through the belt transmission mechanism, the technology is mature, and the weight is light.
5) The shank driving motor is arranged in the thigh driving motor, so that the mechanism redundancy of the first leg module is effectively reduced, the motion inertia of the first leg module during motion is reduced, the motion of the robot is more stable, and the control precision of the robot is improved.
6) The driven wheel is sleeved on the hinged shaft, and the structure of the hinged shaft is effectively utilized when the driven wheel is arranged, so that the structure is simple, and the weight is lighter.
7) The thigh adopts a form that two structural plates are connected through a connecting piece, so that the structural strength of the thigh is ensured, and the weight of the thigh is reduced.
8) The supporting wheel is sleeved on the hinged shaft, and the structure of the hinged shaft is effectively utilized when the supporting wheel is arranged, so that the structure is simple, and the weight is lighter.
9) When the cooperative interaction robot moves, the mass center of the cooperative mechanical arm and the mass center of the machine body can be collinear in the vertical direction, and the problems that the center of gravity of the cooperative interaction robot is inclined when the cooperative interaction robot moves, so that the robot does not move stably and the control precision of the robot is reduced can be avoided.
10) When the cooperative interaction robot moves, the mass center of the second leg module can be collinear with the mass center of the robot body in the vertical direction, so that the problem that the robot moves unstably and the control precision of the robot is reduced due to the fact that the mass center of the robot is inclined when the leg module is in the foot mode can be solved.
Drawings
Fig. 1 is a three-dimensional view of a cooperative interactive robot based on wheel-foot hybrid motion according to an embodiment of the present invention;
FIG. 2 is another three-dimensional view of a particular embodiment of a collaborative interactive robot based on wheel-foot hybrid mobility according to the present invention;
fig. 3 is a front view of a specific embodiment of the cooperative interactive robot based on wheel-foot hybrid movement of the present invention in a foot mode of the leg module;
fig. 4 is a front view of a specific embodiment of the cooperative interactive robot based on wheel-foot hybrid movement of the present invention with the leg module in wheel mode;
fig. 5 is a schematic structural diagram of the abduction joint and the first leg module in the embodiment of the cooperative interaction robot based on wheel-foot hybrid motion according to the present invention.
In the figure: 1. a body; 2. an abduction motor; 3. a thigh drive motor; 4. a shank drive motor; 41. the output shaft of the shank driving motor; 5. a thigh; 51. a structural panel; 52. a connecting member; 6. a lower leg; 61. a U-shaped structure; 62. a connecting rod; 7. a foot section; 8. a driving wheel; 9. a transmission belt; 10. a driven wheel; 11. hinging a shaft; 12. a support wheel; 13. a frame; 14. a first drive wheel; 15. a second drive wheel; 16. a first motor; 17. a second motor; 18. a cooperating robotic arm.
Detailed Description
The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
The utility model discloses a mutual robot of cooperation based on wheel foot formula hybrid movement's concrete embodiment: in the embodiment of the present application, the movement direction of the robot is defined as the front-back direction of the robot, the trunk of the robot extends in the front-back direction, and the direction perpendicular to the front-back direction in the horizontal plane is defined as the left-right direction of the robot.
As shown in fig. 1 and 2, the cooperative interaction robot based on wheel-foot hybrid movement comprises a body 1, a cooperative mechanical arm 18, an abduction motor 2 and a leg module, wherein the cooperative mechanical arm 18 is arranged at the upper part of the body 1 and is used for realizing the main functions of the cooperative interaction robot, and specifically, the cooperative mechanical arm comprises a base, and the installation position of the base is positioned right above the mass center of the body. The cooperative mechanical arm 18 has two states of an operating state and a retracted state, and when the cooperative mechanical arm 18 is in the operating state, the main functions of the cooperative interactive robot are realized. When the leg module drives the cooperative interactive robot to move, the cooperative mechanical arm 18 is in a contracted state, and at this time, the center of mass of the cooperative mechanical arm 18 is vertically collinear with the center of mass of the main body 1.
The leg module is arranged on the machine body 1 and used for driving the cooperative interaction robot to move, and comprises a first leg module and a second leg module.
The first leg modules are wheel-foot type leg modules, the number of the first leg modules is four, the first leg modules at four positions are symmetrically arranged at the left side and the right side of the machine body 1 in two groups, and the first leg modules at the same side are arranged along the front-back direction of the machine body. One is taken as an example for explanation: first leg module passes through abduction motor 2 to be fixed on fuselage 1, and is specific: the abduction motor 2 is correspondingly fixed at the front part or the rear part of the machine body 1, the axis of the abduction motor 2 is along the front-back direction, and the first leg module is arranged at the output end of the abduction motor 2.
The first leg module comprises a thigh driving motor 3, a shank driving motor 4, an articulated shaft 11, a thigh 5, a supporting wheel 12, a shank 6 and a foot 7, the thigh driving motor 3 is fixed at the output end of the abduction motor 2, the upper end of the thigh 5 is installed at the output end of the thigh driving motor 3, the lower end of the thigh 5 is articulated with the upper end of the shank 6 through the articulated shaft 11, and the foot 7 is installed at the lower end of the shank 6. The supporting wheel 12 is sleeved on the hinge shaft 11. The thigh 5 comprises a structural plate 51 and a connecting piece 52, the structural plate 51 having two pieces and being parallel to each other. The connecting member 52 connects the two structural plates 51. The shape of the structural plates 51 may be adapted according to the leg design of the cooperating robot, e.g. the structural plates 51 may be kidney-shaped, rectangular, etc. The both ends of structural slab 51 all are equipped with the mounting hole, and the mounting hole and the shank driving motor output shaft 41 looks adaptation of one end supply shank driving motor output shaft 41 to pass, and the mounting hole and the articulated shaft 11 looks adaptation of the other end supply articulated shaft 11 to pass. Wherein the supporting wheel 12 is arranged on the outer side of the thigh 5 and the driven wheel 10 is arranged in the thigh 5 (between the two structural plates 51).
As shown in fig. 5, the thigh driving motor 3 is a frameless motor, the shank driving motor 4 is disposed in an inner cavity of the thigh driving motor 3, an output shaft 41 of the shank driving motor extends out of a cavity in the middle of an output end of the thigh driving motor 3, and axes of the thigh driving motor 3 and the shank driving motor 4 are both along a left-right direction. The arrangement can maximize the utilization of space, so that the mechanism is more compact; meanwhile, the frameless motor has no shell, so that the weight of the whole motor is effectively reduced. The shank driving motor 4 is arranged in the thigh driving motor 3, so that the mechanism redundancy of the first leg module is effectively reduced, the motion inertia of the first leg module in a foot mode is reduced, the motion of the robot is more stable, and the control precision of the robot is improved. Meanwhile, the output torque of the thigh driving motor 3 can be more used for swinging the thigh 5 and the shank 6, and the efficiency of the thigh driving motor 3 is improved. The lower leg driving motor 4 is used for driving the lower leg 6 to swing around the hinge shaft 11, and specifically: a driven wheel 10 is fixed on the lower leg 6, and the driven wheel 10 is sleeved on the hinge shaft 11. The output end 41 of the shank driving motor is provided with a driving wheel 8, a transmission belt 9 is arranged between the driving wheel 8 and a driven wheel 10, the driving wheel 8, the driven wheel 10 and the transmission belt 9 form a belt transmission mechanism, the belt transmission mechanism is arranged between the two structural plates, and the shank driving motor 4 drives the shank 6 to swing around a hinge shaft 11 through the belt transmission mechanism.
The second leg module is arranged under the machine body 1, and the mass center of the second leg module is collinear with the mass center of the machine body 1 in the vertical direction. The second leg module comprises a first drive wheel 14, a second drive wheel 15 and a frame 13. Frame 13 is fixed in the bottom of fuselage 1, and frame 13 is U type structure, and first drive wheel 14 and second drive wheel 15 are located two places curb plates of U type structure respectively, and the axis all along left right direction and collineation, and first drive wheel 14 and second drive wheel 15 all set up in the outside that corresponds the curb plate. The first driving wheel 14 is driven by a first motor 16, the second driving wheel 15 is driven by a second motor 17, and the first motor 16 and the second motor 17 are respectively and correspondingly installed on two side plates and are positioned on the inner sides of the two side plates.
The upper end part of the lower leg 6 is a U-shaped structure 61, two side plates of the U-shaped structure 61 are coaxially provided with hinge shaft mounting holes, and a hinge shaft 11 is arranged in the hinge shaft mounting holes. The bottom of the U-shaped structure 61 is provided with a cylindrical connecting rod 62, one end of the connecting rod 62 is connected with the U-shaped structure 61, and the other end is connected with the foot part 7. The structural configuration of the foot 7 can be adapted to the working conditions. For example, the foot 7 is spherical and made of elastic material (e.g., rubber, etc.), thereby effectively improving the adaptability of the foot 7 and reducing the vibration of the cooperative interaction robot in a foot mode.
The leg module has two modes of operation: foot mode and wheel mode:
as shown in fig. 3, when the leg modules are in the foot mode, the first leg module is unfolded and the first drive wheel 14, the second drive wheel 15 and the support wheel 12 of the second leg module are suspended. The thigh drive motor 3, the calf drive motor 4 and the belt drive mechanism of each first leg module operate to alternately touch down each foot 7 to drive the cooperative interactive robot to move.
As shown in fig. 4, when the leg modules are in the wheel mode, the first leg module is folded and the foot portion 7 of the first leg module is suspended. The first drive wheel 14, the second drive wheel 15 and the support wheel 12 touch the ground. The first motor 16 and the second motor 17 of the second leg module work to enable the first driving wheel 14 and the second driving wheel 15 to drive the cooperative interaction robot to move, steering is achieved by controlling the rotating speed difference of the first driving wheel 14 and the second driving wheel 15, and the supporting wheel 12 of the first leg module assists in supporting the machine body 1.
To sum up, the utility model discloses a based on the cooperation interactive robot of sufficient formula hybrid mobile of wheel compares prior art and has following technological effect:
1) among the technical scheme that this application provided, the leg module has wheel mode and sufficient mode two kinds of modes, when being in the wheel mode, can be in smooth plane internal fast moving. When the device is in the foot mode, the device can be suitable for rough road surfaces and can quickly avoid obstacles. Compared with the prior art, the position transfer efficiency of the collaborative interactive robot is greatly improved, and the working radius of the collaborative interactive robot is ensured. In addition, when the robot is in the foot mode, the rapid steering of the cooperative interaction robot can be realized, so that the cooperative interaction robot can be suitable for narrow working environments, and the working conditions suitable for the cooperative interaction robot are increased.
2) The setting of abduction motor can adjust the position of first leg module, and further be applicable to various topography.
3) The first leg module consists of a thigh and a shank, and different swinging of the thigh and the shank forms movement of the shank, so that power compensation during leg movement is realized, and output torque of a thigh driving motor and a shank driving motor is effectively reduced.
4) The shank driving motor drives the shank to swing through the belt transmission mechanism, the technology is mature, and the weight is light.
5) The shank driving motor is arranged in the thigh driving motor, so that the mechanism redundancy of the first leg module is effectively reduced, the motion inertia of the first leg module during motion is reduced, the motion of the robot is more stable, and the control precision of the robot is improved.
6) The driven wheel is sleeved on the hinged shaft, and the structure of the hinged shaft is effectively utilized when the driven wheel is arranged, so that the structure is simple, and the weight is lighter.
7) The thigh adopts a form that two structural plates are connected through a connecting piece, so that the structural strength of the thigh is ensured, and the weight of the thigh is reduced.
8) The supporting wheel is sleeved on the hinged shaft, and the structure of the hinged shaft is effectively utilized when the supporting wheel is arranged, so that the structure is simple, and the weight is lighter.
9) When the cooperative interaction robot moves, the mass center of the cooperative mechanical arm and the mass center of the machine body can be collinear in the vertical direction, and the problems that the center of gravity of the cooperative interaction robot is inclined when the cooperative interaction robot moves, so that the robot does not move stably and the control precision of the robot is reduced can be avoided.
10) When the cooperative interaction robot moves, the mass center of the second leg module can be collinear with the mass center of the robot body in the vertical direction, so that the problem that the robot moves unstably and the control precision of the robot is reduced due to the fact that the mass center of the robot is inclined when the leg module is in the foot mode can be solved.
The foregoing is considered as illustrative and not restrictive, and all changes coming within the spirit and principles of the invention are intended to be embraced therein.
Claims (10)
1. Collaborative interactive robot based on wheel-foot type hybrid movement is characterized in that: the method comprises the following steps:
a body;
the leg module is arranged on the body and used for driving the cooperative interaction robot to move, and the leg module comprises a first leg module and a second leg module;
the first leg modules are wheel-foot type leg modules, the number of the first leg modules is four, the first leg modules are arranged at the left side and the right side of the machine body respectively, the first leg modules at the same side are arranged along the front-back direction of the machine body, and each first leg module comprises a foot part and a supporting wheel;
the second leg module is fixed on the machine body and comprises a first driving wheel and a second driving wheel, the first driving wheel is driven by a first motor, the second driving wheel is driven by a second motor, and the axes of the first driving wheel and the second driving wheel are overlapped;
the leg module has two modes of operation: a foot mode and a wheel mode;
when the leg module is in a wheel mode, the support wheel assists to support the machine body, the foot part of the first leg module is suspended, the first driving wheel and the second driving wheel drive the cooperative interaction robot to move together, and the steering of the cooperative interaction robot is realized by controlling the rotating speed difference between the first driving wheel and the second driving wheel;
when the robot is in a foot mode, the second leg module and the supporting wheel are suspended, and the foot part of each first leg module alternately touches the ground to drive the cooperative interaction robot to move;
a cooperative mechanical arm disposed on the fuselage; the cooperative mechanical arm has a retracted state, when the leg module drives the cooperative interaction robot to move, the cooperative mechanical arm is in the retracted state, and the center of mass of the cooperative mechanical arm is collinear with the center of mass of the body in the vertical direction.
2. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 1, wherein: the cooperation mechanical arm comprises a base, the cooperation mechanical arm is installed on the machine body through the base, and the installation position of the base is located right above the mass center of the machine body.
3. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 1, wherein: the cooperative interaction robot further comprises an abduction motor, wherein the abduction motor is fixed on the robot body, and the output end of the abduction motor is connected with the first leg module so as to drive the first leg module to wind the axis of the output end of the abduction motor to swing in the left-right direction of the robot body.
4. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 3, wherein: the first leg module further comprises a thigh driving motor, a shank driving motor, a hinge shaft, a thigh and a shank;
the lower end part of the thigh is hinged with the upper end part of the shank through the hinge shaft, and the foot part is arranged at the lower end part of the shank;
the thigh driving motor is fixed at the output end of the abduction motor, and the upper end part of the thigh is arranged at the output end of the thigh driving motor;
the shank driving motor is used for driving the shank to swing around the hinge shaft.
5. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 4, wherein: the shank driving motor transmits power to the driven wheel through the driving wheel and the transmission belt, and the driven wheel drives the shank to swing around the hinge shaft.
6. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 5, wherein: the thigh comprises: the structure plate comprises two structure plates and a connecting piece, wherein the two structure plates are arranged in parallel, and the connecting piece is connected with the two structure plates;
the driving wheel, the transmission belt and the driven wheel are all arranged between the two structural plates.
7. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 5, wherein: the driven wheel is sleeved on the hinged shaft through a bearing.
8. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 4, wherein: the thigh driving motor is a frameless motor, the shank driving motor is arranged in an inner cavity of the frameless motor, and an output shaft of the shank driving motor extends out of the frameless motor.
9. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 4, wherein: the supporting wheel is sleeved on the hinged shaft through a bearing.
10. The collaborative interactive robot based on wheel-foot hybrid movement according to claim 1, wherein: the second leg module has a center of mass that is vertically collinear with the center of mass of the fuselage.
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| CN112519915A (en) * | 2020-12-29 | 2021-03-19 | 上海微电机研究所(中国电子科技集团公司第二十一研究所) | Cooperative interaction robot based on wheel-foot type hybrid movement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112519915A (en) * | 2020-12-29 | 2021-03-19 | 上海微电机研究所(中国电子科技集团公司第二十一研究所) | Cooperative interaction robot based on wheel-foot type hybrid movement |
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