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Manufacture of small handicraft hydraulic windmill
Style, structure and main materials of windmills (1) Style and structure of windmills There are several styles of windmills. One is unipolar, with only the main frame, and the paired wind wheels are mounted on the main frame. There can be more or less wind wheels on it. In order to be beautiful, there are additional frames, and the number of additional frames can be more or less, but the bearing capacity of the main frame should be considered. The more additional frames, the more wind turbines will be added. This can be designed as needed. The structure of the windmill is mainly composed of the following parts: 1, main frame part 2, ear frame part 3, attachment frame part 4, wind wheel part 5 and mud drum part (2). The main materials of the windmill are sorghum stalks, plastic poles, plastic paper, drum rings, wheel shafts and wind wheels. Second, the processing of various parts of the windmill (1) the processing of trunk parts 1, the choice of sorghum stalks, of course, the more the better, choose thicker and straighter as the trunk. Cut off the damaged and soft parts of sorghum stem roots. The number you choose depends on the number of windmills. The length of the main frame depends on the size of the windmill. For example, the total length of the main frame of this wind turbine is about 120 cm. How is it calculated? For example, the length of an ear frame is 8 cm, the distance between ear frames is 12 cm, and the handle is 30-50 cm. We make five ear frames, and so on, and the length of the windmill is determined. If you make a large number, you can also make simple abrasives to improve efficiency. From the bearing capacity of the main frame, considering the firmness of sorghum stalks, it is generally not appropriate to attach too many frames. After cutting the length, the next step is baking and straightening. 2, baking straightening baking trunk, the fire should not be too fierce, easy to burn. But not too weak, it is best to use small flames. When baking, turn the protrusion downward and keep turning to avoid scalding. When you feel soft and slightly hot, you can straighten it like this. Finally, do a visual inspection. Just don't have obvious bends. Otherwise, the windmill will be made, the center of gravity will shift, and the wind wheel will not turn. 3. After the perforated trunk is baked, it should be perforated at an interval of 8 cm, 12 cm. As mentioned above, 8 cm is the ear frame length and 12 cm is the ear frame interval. Then take the awl in turn and smooth it on the other side of the hole for later use. Then prepare a 6 cm long toothpick, break it from the middle and put it in the hole of the main frame, with the tip outside. Next, the ear frame part is processed. (2) Processing the ear frame 1. The material for processing the ear frame should be the thinner part at the upper end of sorghum stalk, and the material of the ear frame should be cut every 18 cm. After cutting, a 5 cm V-shaped groove should be dug at both ends of each section. Then soak in warm water. 2. Soak in warm water with water of not less than 50 degrees for about 10 minute, in order to soften it and make the material fold continuously. First, break one end from the V-shaped groove and stick it in the toothpick, then break the other end and stick it in. After all ear frames are completed, do the same visual inspection. Make sure you are in a straight line. Then use rubber bands to reinforce them one by one. 3. Hot holes Next, hot holes should be made between the ear frame and the main frame, with the purpose of putting the axle in. After an iron drill with a diameter of 3-4 mm is heated until it burns red, a 3 cm hole is burned at one end of the ear frame, and both rods should be inserted. Attention: First, move quickly. The second is vertical penetration from the center of the stem. The third is to proceed in order. The shaft mentioned above is processed and can be used as the shaft of the wheel, which can transmit the force of the wind wheel to the drum hammer. 4. Make the axle and the shaft of the wind wheel, and drive the baffle of the drumstick to be stuck in the middle. Under the action of the wind, you can constantly beat the drum surface and make a sound. Next, talk about its processing. Select a bamboo stick with a length of 10 cm and a diameter of 3 mm for standby. It should be cylindrical, smooth and pointed at both ends. In the middle part, two pieces of paper were stuck. The size of this paper is 3 cm long and 2 cm wide. The paper should be thicker, such as a stronger calendar paper. After processing, put it into a hot hole for later use. Let's talk about the processing of the attached frame. (3) The first step in processing the attached frame is to select materials. The upper part of sorghum stem is thin, straight and soft. The role of the attached frame is to add a wind wheel to the windmill, making it bigger, grander and better looking. As for how big it is, it depends on actual needs. Second, it depends on the firmness of the windmill. The windmill introduced in this example has three attached frames, and the attached frames should be made into isosceles triangles, which are more beautiful and strong. The total length of the attachment is 125 cm, and the two sides of its isosceles triangle are 40 cm long and the other side is 45 cm long. We dug a V-shaped groove at both ends 40 cm to form an isosceles triangle, thus making the attached frame. The production of the mud drum part is introduced below. (4) Make a mud drum 1. Make a drum ring with warm water and mud, and the water temperature is 30-40 degrees. Generally, half a kilogram of warm water is added to every 2 kilograms of soil and stirred repeatedly. After mixing, knead it into such a mud ball and air it for one hour. Then it is molded with such a grinding tool. Abrasive tools are characterized by a central column and a three-layer sleeve. The more sleeves, the more drums can be used, and the size of the drum depends on the design. We make a drum ring with a diameter of 3 cm here. During operation, adjust the caliber, aim the mold at the center of the mud mass, press hard, and remove the mold after the edge is smoothed. Then use a small nail 2 cm long to plunge into the center of the mud circle and dry it for later use. 2. Make a mud drum on the drum surface, which is the part where the windmill makes noise. We cut a circular piece of paper with a diameter of 3 cm, which is also made of calendar paper or old pictorial. You'd better stick wax oil after cutting. You can melt the wax block and stick the wax oil between pieces of paper with tweezers. First, the drum head is stronger, and second, the sound is louder. Dry it and stick it on the drum surface. 3. The drum hammer is made of such a plastic pipe and cut into 5cm long for later use. The production of the wind wheel is introduced below. (5) Making the wind wheel The wind wheel is the most brilliant part of the windmill. It is not only beautiful, but also the wind blows the wheels to provide power for the drum hammer of the paper bucket, which can constantly hit the drum surface and make a clicking sound. In fact, the size of the wind wheel is not fixed, depending on personal design. As long as it is strong and beautiful. Let's start with making wheels. 1. Make a circle. We choose this plastic pipe, which is 40 cm long and forms a circle with a diameter of about 13 cm. One end of an interface can be plugged into another port. 2. Making paper rotation This kind of plastic paper is characterized by many colors, strong texture and light weight. Usually available in the market. Here we make a 16 wind wheel, take a piece of 50 cm long plastic paper, fold it in half, fold it in half and then fold it in half, cut the layers on both sides of the crease in turn with a knife, fold a 2 cm seal on the adjacent side, then fold it at 90 degrees, fold it again, then clamp it with a clip and cut it into 2 cm wide strips with scissors in turn. Pay attention to leave a distance of 2 cm, and don't cut it. Use a 6 cm long plastic tube, sandwich it in the middle of a long strip, fold it in half, wrap it with thread several times, and tie it tightly. After that, the ring is bonded. Divide into 16 equal parts, and use dry glue for glue. After drying, paste the cut plastic strips, paying attention to the same direction. Make the order and direction of the notes consistent. This can prevent the wind wheel from turning. In this way, all the parts of the windmill are completed. Next, we will assemble the windmill. Fourth, after assembling all the parts of the windmill, it can be assembled. Nail the mud drum on the main frame, and insert the small drum hammer into the rolled rubber band. Nail the sub-frames to the main frame respectively. Both sides of the subframe should be symmetrical with the main frame. The intersection should be nailed firmly with small nails and tied tightly with rubber bands. The interval between subframes should be 30cm. Install a mud drum on each side, and the installation method is basically the same as that of the trunk. Install the wind wheels symmetrically on the wheel shafts respectively. And make sure that the wheels are in the same direction. Make the air intake direction consistent. This can prevent the wind wheel from turning. You can adjust it a little after you finish it.
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