111results about How to "The removal process is smooth" patented technology

The invention discloses a sampling device of smoke and dust with automatically positioning detecting point, comprising a sampling mouth, a fixing unit, a Teflon axle sleeve, a sampling pipe of smoke and dust, a connecting piece of the sampling pipe, a stepping motor, a main engine of the sampling device of smoke and dust, a screw rod, and a rigid bearing unit, wherein, the fixing unit is connected with a sampling hole through a flange, the Teflon axle sleeve comprising two half circle cylinders are embedded in the center of the fixing unit, the sampling pipe of smoke and dust is slidingly arranged in the Teflon axle sleeve, one end of the sampling pipe of smoke and dust is provided with the sampling mouth, the connecting piece of the sampling pipe is fixed on the other end of the samplingpipe of smoke and dust, one end of the screw rod is arranged in a screw rod retainer, the other end of the screw rod is connected with the stepping motor through the rigid bearing unit arranged on the fixing unit, and the stepping motor is connected with the main engine of the sampling device of smoke and dust through signal lines and power lines. According to the invention, the whole process of sampling smoke and dust is accomplished automatically, so that the damage probability of operating personnel in operation process is reduced. The sampling mouth does not shake or incline when being used for positioning, the positioning is accurate and rapid, and the installation and dismounting of the sampling pipe are convenient.

The invention provides a seamless building curtain wall structure and a demounting and mounting method thereof and belongs to the field of building curtain walls. The problems that existing glass curtain wall demounting and mounting are troublesome and low in efficiency, and potential safety hazards exist are solved. The seamless building curtain wall structure comprises a wall face and face plates. The face plates are connected to the wall face through connecting components. Each connecting component comprises a connecting seat fixed to the wall face and a connecting part fixed to the inner side face of the corresponding panel. Each connecting part comprises two upper connecting pipes and two lower connecting pipes. Upper sliding blocks and upper insertion rods are arranged in the upper connecting pipes, upper insertion holes are formed in the pipe walls of the upper connecting pipes, upper reset springs are arranged in the upper connecting pipes, lower sliding blocks and lower insertion rods are arranged in the lower connecting pipes, lower insertion holes are formed in the pipe walls of the lower connecting pipes, lower reset springs are arranged in the lower connecting pipes, and positioning blocks are fixed to the pipe walls of the inner ends of the lower connecting pipes. Each connecting seat comprises two upper connecting plates and two lower connecting plates, wherein the upper connecting plates are provided with upper mounting grooves and demounting grooves, and the lower connecting plates are provided with lower mounting grooves and insertion grooves. By means ofthe curtain wall structure, mounting and demounting operation is safe, convenient and efficient.