Design Analysis of Pneumatic Lightweight Charger
River. River dams can be used to remediate disasters. The tunnel advanced pre-spinning machine has been tested and tested by the metallurgical drilling tool factory, which has reached the requirements of the retaining and retaining foundation of the old foundation of the spray-supporting old building and has been put into production. Anti-shallow water stop and other engineering construction fields, design and analysis of 20,08 pneumatic portable applicator in the period of receiving manuscript Ma Bin Shanxi Mechanical and Electrical Design Institute, Shanxi Taiyuan 030009 pneumatic portable charger and other charger samples The utility model utilizes the compressed air which is conveniently obtained underground to power the machine for filling the blasthole with the powdery granular explosive, and therefore it should have the structural characteristics of the general charger, that is, (1) using the compressed air which is safe and convenient for underground power. The last process of the charging operation is rock drilling, so the charger-machi and the pneumatic rock drill share the same source. Because the explosives are highly corrosive, the parts must be made of corrosion-resistant materials; the generation of static electricity is The physical phenomenon that the granular material inevitably occurs in the fast friction movement. In order to prevent the occurrence of static 6 early explosion, semi-conductive drug delivery tube must be used, and the body should be grounded well. 4. To ensure that the explosive particles can be firmly attached to the hole wall, the explosive particles must maintain a constant kinetic energy. However, if the delivery is violated, the explosive particles are returned from the hole. This will not only cause waste of explosives, but also seriously pollute the working environment, and operate the cockroaches. Therefore, the design of the medicinal device should be considered as much as possible. The pneumatic lightweight medicinal device is mainly used for tunneling and partial small tunneling. Diameter shallow hole mining project. The characteristics of these projects are that the work surface is scattered and scattered. The secondary charge is about to be carried. It is easy to carry, that is, the self-weight and light size can not be oversized and become the main design principle of the pneumatic portable charge.
The pre-produced applicators in China are all press-fit applicators. The working pressure of the container is 4 river 13 and the test pressure is 1 river; the container wall is made of 4 stainless steel plates, and the pressure type applicator It is designed to be portable.
Pneumatic portable charger in the following several blood into the wide innovative design of the ejector principle of the pneumatic portable charge mouth produces a strong pressure of air flow in the spray chamber to form a negative jade to the drug in the drug sputum suction semi-conductive drug delivery tube. The explosive is then blown into the blasthole. This medicine container + can withstand a pressure of 4,. Therefore, it is made of engineering material or glass fiber reinforced plastic with light corrosion resistance and impact resistance; the explosive charge input into the blasthole by the jet charge is accompanied by a large amount of gas pressure, which is the main factor causing the return rate. In order to reduce the pressure of the air into the blasthole, there are thousands of small holes at the outlet of the nozzle, which can discharge part of the pressure to reduce the rate of return.
For the convenience of operation, the remote control valve is designed to control at any time; the diameter at the inlet of the injector cannot be designed too large, so that the agglomerated explosive is not allowed to be mixed into the medicine container, so as to ensure that the injector is not blocked by the block. In the upper part of the medicine box, a filter net is designed to restrict the block medicine from entering the injector; (3) the pneumatic light-weight charge device and the pneumatic rock drill machine on the front of the work box use the gas source but the rock drill made by the mine is not the same. For this design, the charge inlet of the applicator is designed as a detachable joint, and the user can determine the thread size of the joint end, in short. The non-electrical detonation system and the porous, granular niobium explosives are safe, convenient and economical. They have been proven for use in various mines, and pneumatic portable chargers are used with them. Will bring greater economic benefits.
1 Wang Yonggu has a 281 type charger non-ferrous metal.
Received date 2, 6 pages column error right hot hot drawn cold rolled cold rolled cold rolled roll seven right down 7 90s 50s
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