After nearly six years of dedicated scientific research, supported by the Beijing Municipal Intellectual Property Office, the Organization Department of the Beijing Municipal Committee of the Communist Party of China, and Beijing Textile Holdings (Group) Co., Ltd., along with collaboration from various enterprises, a high-efficiency vertical multi-functional air suspension special animal fluff combined carding machine has been successfully developed in Beijing. This innovation was led by a professor-level senior engineer from Beijing Xuelian Cashmere Co., Ltd., under the guidance of a model worker and government subsidy expert from the State Council, as well as an outstanding contribution expert from Beijing. The technology focuses on the carding of special animal fluffs such as cashmere, yak wool, camel hair, and rabbit plush. Carding plays a crucial role in determining the combing efficiency, economic benefits, and product quality of these premium fibers. Over the past two decades, significant progress has been made in this field, highlighted by awards like the National Science and Technology Invention Award and the China Patent Invention and Creation Gold Award in 1997. The "BSLD-95 Cashmere Combined Carding Machine" achieved a combing extraction rate of up to 50% for medium-quality raw materials, with a comprehensive extraction rate exceeding 95% and a weighted average fiber damage rate below 12%. This equipment not only replaced imported machines but also became a key export product, boosting China’s global standing in carding technology. Continuing the pursuit of innovation, researchers explored new directions, particularly for cashmere and other special fibers in regions like Xinjiang. These materials have unique characteristics, requiring advanced processing techniques. After extensive R&D efforts, a new high-efficiency vertical multi-functional air suspension carding machine was developed. It can be customized for different raw materials—acting as a cashmere, camel, or yak wool carding machine. The machine has demonstrated an extraction rate of over 64%, far surpassing conventional models, and offers superior adaptability and reduced fiber damage. From a design perspective, this vertical carding system integrates air suspension and combing, offering a novel approach compared to traditional horizontal carding methods. The vertical process reduces the length of the carding unit from over 4 meters to just 0.7–0.9 meters, significantly lowering power consumption—from 3.5KW to less than 1KW. It also minimizes fiber damage, improves operational efficiency, and simplifies maintenance. By adjusting the size and spacing of the special leaking bottom under the opening roller, operators can better control the separation of coarse and fine fibers, ensuring higher-quality output. This breakthrough represents a major leap forward in carding technology, addressing long-standing issues such as high energy use, large floor space, and limited process flexibility. The new machine is a high-tech, electromechanically integrated solution that supports the production of premium camel and yak wool, as well as high-quality cashmere. It brings valuable technical support and new economic opportunities for enterprises aiming to enhance their competitiveness in the textile industry.

Electric Trikes

Electric trikes, also known as electric tricycles or e-trikes, are three-wheeled vehicles powered by an electric motor. They provide an alternative mode of transportation for people who may have difficulty riding a traditional bicycle or motorcycle. E-trikes are becoming increasingly popular due to their ease of use, stability, and eco-friendly nature.

Features of electric trikes may include:

1. Electric motor: E-trikes are equipped with an electric motor that provides power to the vehicle. The motor can be located in the front or rear wheel hub or centrally mounted on the frame.

2. Battery: Electric trikes are powered by rechargeable batteries, typically lithium-ion batteries. The battery capacity determines the range of the trike, with higher-capacity batteries offering longer distances per charge.

3. Pedal-assist or throttle control: E-trikes can be operated using pedal-assist mode, where the electric motor provides assistance while pedaling, or throttle control mode, where the motor is engaged by twisting a throttle grip or pressing a button.

4. Braking system: E-trikes are equipped with brakes to ensure safe stopping. Common braking systems include mechanical disc brakes or hydraulic disc brakes.

5. Cargo capacity: Some electric trikes are designed with cargo carrying capabilities, such as a rear cargo basket or a front-mounted cargo box. These trikes are often used for commercial purposes, such as delivery services or food vending.

6. Suspension system: To enhance comfort and stability, some electric trikes feature suspension systems. This helps absorb shocks from uneven terrain and provides a smoother ride.

7. Lights and indicators: Like other vehicles, electric trikes may have headlights, taillights, and turn indicators to improve visibility and safety on the road.

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