32results about How to "Play a collection effect" patented technology

The invention relates to the technical field of non-destructive testing on a loop system of a nuclear power station, and particularly discloses a testing device for welded joints of a steam generator adapter tube. The testing device comprises a supporting rod, an upper supporting mechanism, an axial scanning mechanism, a circumferential scanning mechanism, a lower supporting mechanism and a foreign matter collection mechanism. The upper supporting mechanism and a telescoping pole are fixed at the upper end of the supporting rod, and the lower supporting mechanism and the foreign matter collection mechanism are fixed on the lower end of the supporting rod. The axial scanning mechanism and the circumferential scanning mechanism are arranged on the supporting rod between the upper supporting mechanism and the lower supporting mechanism. In the beginning, the testing device is in a folded state, so that the radial dimension of the testing device can meet the requirements on entering and exiting from a manhole, and during working, the testing device can be unfolded, and the radial direction of the testing device can be fitted to the inner wall of the adapter tube. The axial location and the circumferential location are achieved. In addition, the upper supporting mechanism and the lower supporting mechanism improve the stability of the testing device in a scanning process. A driving mechanism is used for providing original driving force for the telescoping pole, the upper supporting mechanism, the lower supporting mechanism and the foreign matter collection mechanism, and therefore driving links are reduced, and the dead load of the testing device is reduced.

The invention relates to the technical field of table tennis ball picking, in particular to a table tennis ball picking device for school training, comprising a collecting barrel, a collecting structure, a closing structure, a rotating structure, an adjusting structure and a releasing structure; The table tennis balls on the ground can be quickly picked up, and at the same time, it can be adjusted according to the use degree of the device to maintain the normal operation of the ball picking device. The table tennis balls inside the collection bucket can be poured out one by one through the release structure, which is convenient for table tennis balls. Centralized storage or use, the top of the collection bucket can be closed through the closed structure, avoiding the situation that the ping pong ball pops up when the ball is picked up, and it can be opened conveniently. The angle adjustment between the collection barrels is convenient for picking up the table tennis balls scattered in different positions, and the holding position can be adjusted according to different users through the adjustment structure, which is convenient for use.

The invention relates to a dielectric liquid filtration, separation and recovery device for an electric spark piercer, which includes a collection device and a centrifugal separation device. The collection device includes a number of drainage holes set on a workbench, and a A water collection tank, the upper edge of the water collection tank is attached to the lower surface of the workbench, the side wall of the water collection tank is provided with a liquid outlet, and the liquid outlet is communicated with the centrifugal separation device through a pipeline, and the centrifugal separation The device is provided with a clear liquid outlet, and the electric spark piercer includes a dielectric liquid supply device, and the clear liquid outlet is connected with the dielectric liquid supply device. The invention has the effect that the dielectric liquid can be recycled after being filtered to effectively reduce the processing cost.

The invention relates to a construction method for combining basement water resistance and drainage. The construction method for combining the basement water resistance and drainage includes the following steps that relevant data is measured; then a basement is excavated, and a drainage pit is excavated downwards at the corner of the basement; the top of a corrugated pipe is connected with the bottom of an adapting pipe, steel wires are fixed between the top of the adapting pipe and the bottoms of drainage covers, the steel wires, the drainage covers and the adapting pipe are put into a drainage pipe to make the top of the drainage covers flush with the top of the drainage pipe, and the adapting pipe is slidably connected with the drainage pipe; the above devices are put into the drainagepit, and water flows into the drainage pipe through a drainage hole on the side wall of the drainage pipe; and a cement mortar leveling layer is laid on the surface layer of the basement, and a waterproof layer is laid on the cement mortar leveling layer, ceramic tiles are laid on the waterproof layer, warning holes are reserved on the cement mortar leveling layer, the waterproof layer and the ceramic tile layer, and the positions of the warning holes correspond to the positions of the drainage covers. The construction method for combining the basement water resistance and drainage has the drainage and waterproof effects, and in the process of the drainage, when much garbage is accumulated at the adapting pipe, an alarm can be given.

The invention provides a method for preparing a porous-structure VO2 film with a polystyrene bead as a soft template. The method comprises the following steps: dissolving vanadium pentoxide (V2O5) and analytically pure oxalic acid (C2H2O4) in absolute ethyl alcohol and carrying out stirring in a beaker until the raw materials are totally dissolved; adding a small amount of polyvinylpyrrolidone (PVP) and carrying out stirring for 20 to 40 min; then transferring the obtained solution into a four-mouth flask and carrying out heating and stirring in an oil-bath pot with a temperature of 120 to 150 DEG C for 12 to 16 h; adding absolute ethyl alcohol emulsion in which the polystyrene bead is dispersed, adding a certain amount of an absolute ethyl alcohol solution of a surfactant P123 drop by drop and continuing stirring at room temperature until a uniform emulsion sol is formed; and after preparation of a wet film, drying the wet film in a baking oven at 100 to 150 DEG C for 10 to 30 min and maintaining the film at a temperature of 450 to 650 DEG C for 20 to 30 min under the protection of an Ar or N2 atmosphere so as to obtain the porous-structure VO2 film; wherein a mol ratio of the raw material V2O5 to the raw material C2H2O4 is 1: 3 to 1: 6, and the emulsion in which the soft template polystyrene bead is added accounts for 6 to 18% of the total volume of the sol.

The application relates to a sandblasting and derusting device for I-beams, which includes a frame, on which a conveyor belt for conveying I-beams is arranged, and a cleaning room is arranged above the conveyor belt on the frame; the conveyor belt includes several conveying rollers, Conveying rollers conflict with the lower surface of the I-beam, and several lower spray guns for cleaning the lower surface of the I-beam are arranged between the conveying rollers on the frame; The upper spray gun for cleaning the upper surface of the I-beam, and a number of side spray guns for cleaning the sides of the I-beam are also arranged on both sides in the width direction of the conveyor belt in the cleaning room. The application has the effect of fully derusting the surface of the I-beam.