Tunneling mechanism for coal mine

The invention relates to mining equipment, in particular to a tunneling mechanism for coal mine. The tunneling mechanism comprises a frame, a motor, a spiral digger, a bearing, sliding blocks, a fixing plate and a propulsion device, wherein the frame comprises a support and a front prop; digging pieces are arranged on the spiral digger, the spiral digger penetrates through a bearing inner ring and is mounted on a shaft of the motor, and the propulsion device is connected with the motor through the fixing plate; the sliding blocks are arranged on the two sides of the bearing, the motor and the fixing plate, are mounted on sliding grooves in the frame, and can do reciprocating motion relative to the frame. During in use, as the front prop can avoid swing of the digger in the digging process, the tunneling mechanism is safe and reliable, and manpower can be effectively reduced. As the bearing is sleeved with the spiral digger, the damage of the shaft of the motor is reduced, and the service ...

High-stability protection device for high-rise building construction

The utility model discloses a high-stability protection device for high-rise building construction. The high-stability protection device comprises a base and a guide rod. A mounting groove is formed in the middle of the upper surface of the base, a hydraulic cylinder is fixedly mounted on the inner wall of the bottom end of the mounting groove through bolts, the hydraulic output end of the hydraulic cylinder is connected with the hydraulic input end of a hydraulic telescopic rod, and the top end of the hydraulic telescopic rod is fixedly connected with the middle of the bottom side of a supporting plate. Through the universal wheels on the bottom side of the base, the device is conveniently pushed to move to a designated position; a guide rod penetrates through the guide groove and is spirally connected; the handle can drive the adjusting plate to rotate up and down to be attached to the ground. Enhancing the stability of a device, a worker can stand on the supporting plate to controlthe ...

Coal mine waste moving processing device

The invention relates to environmental protection equipment, in particular to a coal mine waste moving processing device. A smashing device is connected to a feeding opening of an incinerator through a delivery mechanism. The incinerator comprises a screening chamber, a first combustion chamber, a second combustion chamber and an ash chamber from top to bottom in sequence, the feeding opening is formed in one side of the screening chamber, a discharging opening is formed in the other side of the screening chamber, the top of the screening chamber is provided with a chimney, a screen is installed between the screening chamber and the first combustion chamber in an inclined mode, the higher end of the screen is located at the feeding opening, and the lower end of the screen is located at the discharging opening; a coarse grate is arranged between the first combustion chamber and the second combustion chamber, a fine grate is arranged between the second combustion chamber and the ash chamber ...

Fruit vinegar ice-cream slurry and its preparing process

The present invention discloses a fruit vinegar ice cream slurry, which comprises as the weight of 7 to 13 shares of sugar, 4 to 10 shares of milk powder, 1 to 4 shares of oil powder, 0.05 to 0.2 shares of egg phosphate ester, 0.08 to 0.2 shares of sucrose esters, 0.08 to 0.2 shares of guar gum, 0.05 to 0.15 shares of konjac gum, 0.08 to 0.2 shares of sodium carboxymethyl cellulose (CMC), 0.8 to1.5 shares of fruit vinegar, 0.06 to 0.15 shares of citric acid, 0.06 to 0.12 shares of sodium citrate, fragrance appropriate and 60 to 80 shares of water. The present invention also discloses the slurry preparation methods. The present invention of formulation of the fruit vinegar ice cream slurry, with which producing ice creams can have high nutritional value, satisfy the people seeking novelty taste, meanwhile homogenizing and heating in the course of production, the colloid can be fully swelling and put into full play, and through homogenizing, the diameter of fat globule in the system becomes ...

Fruit vinegar ice-cream slurry and its preparing process