What kind of equipment is needed for outdoor caving?
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What kind of equipment is needed for outdoor caving?
Because of the special environment of the cave, the equipment to be carried is different from hiking or other outdoor sports on the ground. Then the cave equipment generally includes dozens of clothing, rope equipment, lighting equipment, etc. This time, the main introduction is the commonly used clothing and lighting, rope equipment.
Cave clothing: There are three general conditions: one is a cotton cave suit, one is a waterproof jacket with a waterproof coating, and the other is a diving suit that is warm and warm.
The caving suit should be wear-resistant, especially at the hips, elbows, and knees. There is no ready-made truth in the cave. The tunnels are wide and narrow, sometimes climbing up and down, and the clothes and pants are constantly worn. Then it is warm, many caves are almost formed by the underground river, the humidity inside the cave is relatively large, then the size, the cave suit is recommended not to be too loose, because the raised rock of the cave often catches clothes.
Helmet: One of the important equipment that the caver is indispensable. The helmet can reduce the damage when encountering low-hanging stalactites, raised rocks, dotted tops or fallen stones, and falling in bumpy holes.
The helmet of the cave exploration is recommended to have the characteristics of light material, high shock resistance and ventilation, and to ensure good absorption by impact, so as to reduce the vibration damage to our head.
Lighting equipment: I usually carry four independent lighting tools in the cave exploration activities, otherwise accidents will not only lead to difficulties, but also the entire team. Previous cave explorers liked to use calcium carbide lamps. Nowadays, because of the more and more advanced technology, we usually use LED lights (headlights, glare hunting flashlights). Rechargeable headlights are generally not used. Because there is no conditional charge in the hole, once there is no electricity, it will be in trouble. With the headlights of the 5th battery, we can carry more batteries into the hole.
Rope: The rope is the most important part of the caving activity and the life of cave lovers. Because of the particularity of the cave environment, the quality of the rope is very high. Need to be able to rot in a humid environment, high melting point, wear resistance. Therefore, the caving activity will use a static rope. The static rope has strong toughness and low ductility. The caving static rope currently used is 8-10.5 mm in diameter.
Seat belts: Cave belts are different from climbing and rescue belts. In order to allow cave lovers to hang on single ropes, there is more space for activities, and this kind of space is rising, especially in those very narrow shafts. Rising is extremely important.
Chest strap: The chest has two functions. First, the SRT operator can be as close as possible to the single rope to keep the body straight; second, the height can be mentioned when the ascending operation is performed.
Hand-type risers: There are many risers that can be connected to the pedal rope, but for the convenience of special environment operation, it is best to use a riser with a handle, which is not only convenient to use, but also can effectively use the arm force.
Chest-type riser: The chest-type riser is linked to the D-type semi-circular lock and chest strap on the seat belt and is used in cross-over with the hand-type riser. In order to achieve a rising effect.
Dropper: There are several types of downcomers that are commonly used, such as self-locking lowerings, deadlocks, trapezoidal descenders, 8-shaped lowers, tubular descenders, etc., but these droprs are slightly different. The most common is the STOP and the deadlock reducer with a self-locking descent such as PETZL.
Oxtail Rope: The oxtail rope is a length of rope that connects a main lock and a seat belt. The length is appropriate. It is used for steering movement or over anchoring and is fixed on the anchor point for safe and safe operation. Usually we will use two oxtails.
Sling: Sling is a kind of tape made of fiber, which is divided into a loose flat belt and a mechanical flat belt. Then the mechanism sling is made at the end of the factory and the seam is made into a loop. It is usually used to establish a protection station on a natural anchor point. This prevents the single rope from directly contacting the natural anchor point from the wear of the natural anchor point.
Lock: The lock is the most important part of the caving equipment. According to his shape, function and other special names, such as main lock, sub lock, big lock, small lock, thread lock, straight door Locks, mei locks, etc. These locks are generally available in both aluminum and steel.
Bucket Bag: A bucket bag is a rectangular waterproof bag for ropes and other caving equipment, with a strap and a hand strap. In the case of a silo exploration, the bag can be attached to the seat belt with a length of pitch so that the bag is not entangled with the foot.
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