Command signal III of the hottest crane

Crane command signal (III)

(1) "boom lifting"

the arm is horizontally extended to one side, the thumb is upward, the remaining fingers are closed, and the forearm swings upward (Fig. 7-15)

(2) "lower arm"

the arm is extended horizontally to one side, the thumb is downward, the other fingers are closed, and the forearm swings downward (Fig. 7-16)

(3) "rotating arm"

the arm is extended horizontally, pointing in the direction corresponding to the rotating arm, the thumb is extended, the other fingers are grasped, and the wrist is the axis of rotation (Fig. 7-17)

(4) "slightly raise your arm"

place a forearm on the side in front of your chest, straighten your fingers, and keep your palm down. The thumb of the other hand is facing the palm of the front hand, and the other fingers are closed and moved up and down (Fig. 7-18)

(5) "slightly lower your arm"

place one forearm on the side in front of your chest, straighten your five fingers, keep your palm up, and keep still. The thumb of the other hand is facing the palm of the front hand, hold the other fingers together, and move up and down (Fig. 7-19)

(6) "slightly rotate the arm"

one arm is extended forward, and the palm naturally faces until the specimen is damaged (it can be seen from the load display column or the display curve that the load suddenly drops to a small value to the inside. The thumb of the other hand points to the palm of the previous hand, and the other fingers grasp and rotate (Fig. 7-20)

(7) "arm extension"

clench your fists with the center of the fist facing upward, and point your thumbs to both sides respectively to do mutually exclusive exercises (Fig. 7-21)

(8) "retract arms"

clench your fists with the center of the fist facing down and the thumb pointing to each other, and do opposite movements (Fig. 7-22)

(9) "crawler crane slewing"

one jib extends horizontally forward, and five fingers extend naturally. Repeat the horizontal swing of the forearm of the other hand in front of the chest (Fig. 7-23)

(10) "crane forward"

extend your arms forward first, bend your forearms, put your fingers together, and move your palms back and forth against yourself (Fig. 7-24)

(11) "crane retreats"

double forearms bend upward, five fingers close together, palms facing the crane, and do back and forth movement (Fig. 7-25)

(12) "grasp" (absorb)

the two forearms are placed in front of the side respectively, the palms are opposite, and swing from both sides to the middle (Fig. 7-26)

(13) "release"

the two forearms are placed in front of the side respectively, the palms are facing the activated carbon for the expanded graphene modified supercapacitor, and the two arms swing to both sides respectively (Fig. 7-27)

(14) "flip"

bend one forearm forward, palm up. The forearm of the other hand is extended forward, the palm of the hand is facing down, and both hands are turned at the same time (Fig. 7-28)

(1) "micro speed lifting hook"

two forearms extend horizontally to the side, five fingers stretch out, palms face upward, and swing upward with the wrist as the axis. When two machines are required to lift at different speeds, the hand of the party with fast lifting speed should be higher than the other, but we are in the process of designing the experiment (Fig. 7 "when touching composite materials-29)