Robot waist skeleton and robot
A robot waist skeleton includes: a swing waist effector; a first bracket, one end of which is connected to an output end of the swing waist effector; a bend waist effector, a case of which is connected to the other end of the first bracket; a second bracket, one end of which is connected to the case of the swing waist effector; a rotate waist effector, an output end of which is connected to the other end of the second bracket; and a third bracket, one end of which is connected to a case of the swing waist effector.
1. A robot waist skeleton, being configured to implement three-DOF movements of robot waist, comprising:
a swing waist actuator;
a first bracket, one end of which is connected to an output end of the swing waist actuator;
a bend waist actuator, a case of which is connected to the other end of the first bracket;
a second bracket, one end of which is connected to the output end of the bend waist actuator;
a rotate waist actuator, an output end of which is connected to the other end of the second bracket; and
a third bracket, one end of which is connected to a case of the rotate waist actuator;
the first bracket comprises: a first stand plate and a second stand plate; wherein
one end of the first stand plate is rotatably connected to a case of the swing waist actuator, and the other end of the first stand plate is directly fixed to the case of the bend waist actuator; and
one end of the second stand plate is directly fixed to the output end of the swing waist actuator, and the other end of the second stand plate is directly fixed to the case of the bend waist actuator;
the second bracket comprises: a first connecting block, a third stand plate, and a fourth stand plate; wherein
one end of the third stand plate and one end of the fourth stand plate are respectively fixed to two opposite sides of the first connecting block, the other end of the third stand plate is rotatably connected to the case of the bend waist actuator, the other end of the fourth stand plate is directly fixed to an output end of the bend waist actuator, and the first connecting block is connected to the output end of the rotate waist actuator; wherein
the swing waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are parallel,
wherein the bend waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are coaxial, and
wherein the rotate waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are coaxial.
2. The robot waist skeleton according to claim 1 , wherein
the robot waist skeleton comprises a first bearing;
the case of the swing waist actuator is provided with a first boss, the first boss and the output end of the swing waist actuator being oppositely disposed; and
one end of the first stand plate is provided with a first through hole, the first bearing being fixed into the first through hole, and the first boss being sleeved onto the interior of the first bearing.
3. The robot waist skeleton according to claim 1 , wherein
the case of the bend waist actuator is provided with a first planar portion and a second planar portion, the first planar portion and the second planar portion being oppositely disposed, the other end of the first stand plate being fixed to the first planar portion, and the other end of the second stand plate being fixed to the second planar portion.
4. The robot waist skeleton according to claim 1 , wherein
the robot waist skeleton comprises a second bearing;
the case of the bend waist actuator is provided with a second boss, the second boss and the output end of the bend waist actuator being oppositely disposed; and
the other end of the third stand plate is provided with a second through hole, the second bearing being fixed into the second through hole, and the second boss being sleeved onto the interior of the second bearing.
5. The robot waist skeleton according to claim 1 , wherein
the first connecting block is provided with a third through hole, and the output end of the rotate waist actuator is provided with a third boss, the third boss being inserted into the third through hole, and the third boss being fixed to the first connecting block.
6. The robot waist skeleton according to claim 1 , wherein
the third bracket comprises a stand post, the stand post being a hollow tubular structure; and
the case of the rotate waist actuator is provided with a fourth boss, the fourth boss is inserted into one end of the stand post, and the fourth boss being fixed to the stand post.
7. A robot, comprising a robot waist skeleton, wherein the robot waist skeleton is configured to implement three-DOF movements of robot waist, comprising:
a swing waist actuator;
a first bracket, one end of which is connected to an output end of the swing waist actuator;
a bend waist actuator, a case of which is connected to the other end of the first bracket;
a second bracket, one end of which is connected to the output end of the bend waist actuator;
a rotate waist actuator, an output end of which is connected to the other end of the second bracket; and
a third bracket, one end of which is connected to a case of the rotate waist actuator;
the first bracket comprises: a first stand plate and a second stand plate; wherein
one end of the first stand plate is rotatably connected to a case of the swing waist actuator, and the other end of the first stand plate is directly fixed to the case of the bend waist actuator; and
one end of the second stand plate is directly fixed to the output end of the swing waist actuator, and the other end of the second stand plate is directly fixed to the case of the bend waist actuator;
the second bracket comprises: a first connecting block, a third stand plate, and a fourth stand plate; wherein
one end of the third stand plate and one end of the fourth stand plate are respectively fixed to two opposite sides of the first connecting block, the other end of the third stand plate is rotatably connected to the case of the bend waist actuator, the other end of the fourth stand plate is directly fixed to an output end of the bend waist actuator, and the first connecting block is connected to the output end of the rotate waist actuator; wherein
the swing waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are parallel,
wherein the bend waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are coaxial, and
wherein the rotate waist actuator comprises a motor having a rotation shaft and a reducer having a rotation shaft which are coaxial.
8. The robot according to claim 7 , wherein
the robot waist skeleton comprises a first bearing;
the case of the swing waist actuator is provided with a first boss, the first boss and the output end of the swing waist actuator being oppositely disposed; and
one end of the first stand plate is provided with a first through hole, the first bearing being fixed into the first through hole, and the first boss being sleeved onto the interior of the first bearing.
9. The robot according to claim 7 , wherein
the case of the bend waist actuator is provided with a first planar portion and a second planar portion, the first planar portion and the second planar portion being oppositely disposed, the other end of the first stand plate being fixed to the first planar portion, and the other end of the second stand plate being fixed to the second planar portion.
10. The robot according to claim 7 , wherein
the robot waist skeleton comprises a second bearing;
the case of the bend waist actuator is provided with a second boss, the second boss and the output end of the bend waist actuator being oppositely disposed; and
the other end of the third stand plate is provided with a second through hole, the second bearing being fixed into the second through hole, and the second boss being sleeved onto the interior of the second bearing.
11. The robot according to claim 7 , wherein
the first connecting block is provided with a third through hole, and the output end of the rotate waist actuator is provided with a third boss, the third boss being inserted into the third through hole, and the third boss being fixed to the first connecting block.
12. The robot according to claim 7 , wherein
the third bracket comprises a stand post, the stand post being a hollow tubular structure; and
the case of the rotate waist actuator is provided with a fourth boss, the fourth boss is inserted into one end of the stand post, and the fourth boss being fixed to the stand post.