Technology and life: starting with solar cars

Chapter 132

The shape of the shell material of 304 is quite good-looking, with a metallic silver-white texture.In addition to the outer shell, there are various connection structures inside. Unfortunately, because the mecha is well covered when it is made, you can only vaguely see some wire ropes and some gears from the gaps in the mecha.The reason for the better coverage of the mecha is naturally Liu Yun’s more rigorous design when designing the plan. He even added an extra extended part to the fingers of the mecha. It can be said that the coverage is better and it is difficult to leak. The mechanical structure inside.

Liu Yun was very satisfied with this, and when Liu Yun wanted to go in and test the performance of the mech, he was stopped by Mr. Wang.

Mr. Wang took a document and handed it to Liu Yun, "Liu Yun, the design of the mech this time is not completely in accordance with your design plan, mainly because your design plan has some flaws, so it is not completely in accordance with your design plan. The problem found in the process of production is mainly the part of the wire rope of the arm of the mech. The part of the wire rope of the arm of the mecha is actually flawed when you design it. Therefore, several of our designers discussed it. Some optimizations have been made to the wire ropes of the upper arm and forearm of the mecha, and the direction of optimization is mainly the upward movement of the upper arm and forearm of the mecha arm and the downward movement of the upper arm and forearm of the mecha, which affect The most important factor for the mech to go down is that the upper arm and the forearm of the mech's arm will be affected by the gravity of the planet when it moves, and this gravity will make the mech unable to move by the wire rope during the falling process. To control the falling action of the upper arm and forearm of the mech arm, we have made some improvements to this part of the mech, and the direction of improvement is also very clear, mainly to make the falling action of the mech no longer affected by gravity. Influenced by the influence of gravity, find a way to overcome the influence of gravity on the falling action of the mech. At that time, we designed two schemes. The first scheme was the design scheme of using a hydraulic rod for the lower part of the large arm of the mecha. This design scheme The advantage is that the hydraulic rod can be directly placed under the upper arm of the mech's arm, which can effectively control the falling movement of the mech, but the disadvantage is also obvious, such a hydraulic rod design is not very comfortable at first glance. I always feel that it is not very comfortable to add an extra piece to the armpit of the mecha. So we discussed it later and designed the second solution. The difference of the second solution is that it does not use hydraulic rods to overcome gravity. Instead, change the logic of the wire rope of the mecha. In the past, when the mecha fell, it was not controlled by the wire rope under the upper arm of the mech. Now, the falling action of the upper arm of the mecha is controlled by The upward steel wire rope and the downward steel wire rope cooperate to control the falling movement of the big arm of the mech. At the beginning, we thought about not using the steel wire rope under the big arm of the mech, and we considered only using the big arm of the mech. The upward wire rope of the arm is used to control the downward movement of the big arm of the mecha, which means that we remove the wire rope that goes down the mecha. At this time, when the mecha needs to rise, stretch the large arm of the mecha. The wire rope for the upward movement of the arm completes the upward movement of the mecha. When the mecha needs to move downward, at this time, we calculate the upward movement of the mech’s arm based on the length of the wire rope of the mecha. How much steel wire rope needs to be released. After the steel wire rope is released, the arm of the mecha will fall towards the bottom of the mecha under the action of gravity. There is another solution for the wire rope, and another logical solution is to let the wire rope The upward and downward controls the downward movement of the mechanical arm. It means that when the arm of the mech wants to move upward, the wire rope of the arm of the mech will pull the mech upward. When the big arm of the mecha wants to move down, in order to let the big arm of the mecha fall at a faster speed, the falling speed must exceed the influence of gravity alone. It is not enough to loosen the upward wire rope of the upper arm of the armor. Therefore, at this time, it is necessary to retract the wire rope of the upper arm of the armor. The downward force of the arm is affected by the gravity of the planet at the same time, so that the falling speed of the mecha can achieve a speed exceeding gravity, or it is also possible to directly give the mecha two gears like a traditional robot. Put a gear at the position of the big arm of the mech to control the left and right movement of the mech, and put another gear at the connection between the big arm and the small arm of the mech to control the small arm of the mech The upward and downward movement of the part relative to the arm of the mech.No matter what method you use, as long as it can realize the movement of the upper arm and forearm of the mecha, so you don't have to worry about this. "

Liu Yun is definitely the traditional robot design that has more advantages in anti-gravity. The traditional robot is more solid in design. If the wire rope method is used in normal times, it is okay. When the face of the mecha is facing the ground, the direction of the mecha changes due to gravity at this time, that is, the direction of the arm of the mecha changes. The logic of the original design of the mecha The plan is no longer applicable.For example, when the face of the mecha is facing the ground, the original design is that the upper arm of the mecha is lifted by the upward wire rope of the mecha, but now it is changed by the upward direction of the mecha. The wire rope is lowered to complete the stretching action. Of course, this action is only relative. What is really fatal is the logical error.That is to say, when the face of the mech is facing down, the wire rope under the upper arm of the mech is originally affected by gravity, and when the face of the mech is facing the ground, the mech is affected by gravity at this time. The wire rope under the big arm of the mecha is broken, so if we still let the mecha control the arm movement according to the original logic, it is obvious that the program of the mecha is disordered at this time, so we must find a way to control the wire rope of the mecha Exercise will do.

How to do it at this time is still very simple. You only need to redesign the logic of the mech, not to remove the logic of the original mech, but to add a new logic to the logic of the original mech.When the face of the mecha is facing the ground, the stretching action of the upward wire rope and the downward wire rope of the big arm of the mecha should be changed at this time.

(End of this chapter)