Design and application of the handle of biological laboratory instrument cart
All kinds of sophisticated experimental equipment and instruments in the biological laboratory are important supports for scientific research, and these equipment often need to be carried and moved by special carts. In this process, a small detail-the handle of the instrument cart plays a vital role. This paper will discuss this part from the aspects of design principle, material selection and practical application.
First, the design principle: a good handle should meet the principles of ergonomics, that is, it can make people feel comfortable and not tired when using. In order to achieve this goal, at the beginning of the design, we should consider the different factors such as hand size and holding habits of different people, and adjust the parameters such as handle shape, size and even surface texture according to the actual situation; In addition, we should also consider whether the connection mode between it and the whole vehicle frame is stable and reliable, so as to ensure that the long-term stable operation will not be loose and fall off, which will affect the safe operation.
Second, material selection: As one of the parts that directly contact the user's body, the safety and durability of the handle material are very important. At present, there are many types of plastics, metals (such as stainless steel) and rubber to choose from:
1) Plastic products are light in weight but low in strength and easy to deform and damage;
2) Stainless steel has high hardness and strong corrosion resistance, and is suitable for working in harsh environmental conditions;
3) Rubber has good elasticity, softer and more comfortable feel, and is suitable for holding for a long time. Therefore, it is necessary to comprehensively consider the requirements of specific application scenarios to determine the most suitable scheme.
Third, practical application: Take the microbial incubator as an example to explain how to correctly install and make good use of this component to improve work efficiency: first, check whether there are any damages or defects; Then fix it in the specified position according to the instructions in the manual; The next step is normal use. Before transferring items, it is necessary to confirm that all locks are open and balanced before pulling. Finally, remember to clean and maintain regularly to avoid breeding bacteria and polluting other samples. To sum up, although it is only a simple small part-"the handle of the biological laboratory instrument cart", it plays an important role in improving the performance level of the whole system. Only by fully understanding and mastering its design concept and technical characteristics can we better play its practical value!
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