11results about How to "Fit precision" patented technology

The insulator cleaning device comprises a shell body, a triangular fixing clamp and a fixing rod, a working cabin and a water storage cabin are sequentially formed in the shell body from left to right, a rotating motor is fixed to the inner wall of the working cabin through bolts, and a standard gear is arranged on an output shaft of the rotating motor; a rotating gear is rotationally connected to the inner wall of the working cabin through a rotating shaft, the rotating gear is engaged with the exterior of the standard gear and sleeved with a chain, and a cleaning motor is fixed to the outer wall of the top of the fixing rod through a bolt. The rotating motor drives the standard gear to rotate, the standard gear drives the chain to rotate, the chain drives the rotating gear to rotate, and the rotating gear drives the rotating box to rotate, so that the function of rotating an insulator is realized, the fixed rod drives the U-shaped frame to slide on the sliding rod, the U-shaped frame moves in the sliding groove, and the U-shaped frame drives the fixed circular ring to move. The fixing ring stretches the limiting spring, and the cleaning motor drives the cleaning rotating shaft to rotate.

The utility model relates to a kind of concrete structures, belong to concrete reinforcing and reinforcing technical field, specifically a kind of concrete reinforcing and reinforcing structure, including rectangular concrete column and floor, the rectangular concrete column is set at the top of floor, further include side face reinforcing assembly and top reinforcing assembly;U-shaped fastening frame, the U-shaped fastening frame is set on the surface of floor, the U-shaped fastening frame is set with a pair;The utility model reaches the effect that the construction efficiency is improved by assembly type installation, prolongs service life, solves the existing construction structure and needs pre-cutting limiting groove on the both sides of crack to accommodate limiting plate, cutting vibration can aggravate original crack expansion, slotting process can induce secondary cracking;And crack periphery concrete is often uneven, actual construction is difficult to guarantee the accurate embedding of groove and plate, possibly leading to the problem of invalid floating of reinforcing plate.

The utility model discloses a fire-retardant plugging auxiliary device for a hanging hole in a sleeve, relates to the technical field of building construction, and solves the problem that a template for plugging the hanging hole is inconvenient to support in the prior art. The device comprises a pair of plugging templates, wherein the two plugging templates are adjustably connected through a connecting structure; a plurality of traction hooks are distributed on the plugging template, and pull ropes are connected to the traction hooks respectively; semicircular grooves are formed in the opposite sides of the two plugging templates. According to the pipeline plugging device, the plugging templates are arranged and matched with the semicircular grooves, so that the pipeline plugging device can be clamped on a pipeline during use, the hook is arranged to be matched with the pull rope to pull from the position above the hanging hole during assembly, the two plugging templates are assembled and matched and fixed with the pipeline in cooperation with the connecting structure, and finally the plugging purpose is achieved; a support does not need to be arranged in the space below the hanging hole, the supporting difficulty and labor intensity in the installation process are lowered, and the requirement for the space below the hanging hole is lowered.

The utility model provides a sealing wet tissue cover capable of preventing microbial contamination, which belongs to the technical field of hygienic products and comprises a lower cover main body connected onto a wet tissue packaging bag, an upper cover main body matched with the lower cover main body and a hinge used for connecting the lower cover main body and the upper cover main body, and the lower cover main body is provided with an opening used for extracting wet tissues; an annular lower cover sealing ring is arranged at the edge of the opening; an upper cover outer sealing ring and an upper cover inner sealing ring which are matched with the lower cover sealing ring are arranged on the bottom surface of the upper cover main body; by arranging the sealing structure and the drainage structure, the retention of water on the wet tissue cover or in a gap between the upper cover main body and the lower cover main body can be reduced, so that the breeding of microorganisms is reduced; the sealing structure not only can prevent external microbial contamination, but also can firmly lock moisture carried by the wet tissue, so that the use safety is improved, and the service life is prolonged.

The utility model discloses a double -sided planer, related to planer technical field. The size specification of different wood exists difference, and the close of wood surface and planer roll is easy to lead to not close, and further causes planing precision deviation. The utility model discloses a work table and movable mechanism, and movable mechanism sets up at the bottom of work table, and movable mechanism includes setting up the motor of work table bottom no. The utility model discloses a work table, movable mechanism, support frame and motor no. are set up, and the work of motor no. is used, can drive rotating shaft rotation, make driving bevel gear rotate along with, can drive screw rod to rotate through the transmission of driven bevel gear along, thereby make screw seat move laterally outside screw rod, can adjust the distance between support frame, thereby conveniently limit the wood of different width, make the wood set up the just below of upper planer roll, thereby make wood surface and upper planer roll precisionly stick together, improve the processing accuracy of device.

The straight profile laser cutting positioning device based on the three-jaw chuck comprises a reference chuck, grooves are symmetrically formed in the top and the middle of the reference chuck, a leveling mechanism is installed at a notch in the top of the reference chuck, and the leveling mechanism is composed of an upper positioning reference clamping block, a leveling clamping block, an adjusting bolt and a puller bolt. The base is fixed in a notch in the top of the reference chuck through a cushion block, a bolt and a nut; an alignment mechanism is mounted in a notch in the middle of the reference chuck, consists of a rotating rod, a rotating boss, an alignment block, a connecting rod A, a connecting rod B, a connecting rod C and a connecting rod D, and is fixed in the notch in the middle of the reference chuck through a fixed flat plate and a fixed rotating shaft; a telescopic bracket is mounted below the fixed flat plate in the alignment mechanism, consists of a pair of straight gears, a connecting rod E, a connecting rod F, a connecting rod G and a connecting rod H, is mounted at the bottom of the reference chuck through a rotating shaft and a rotating nut, and is connected with the fixed flat plate in the alignment mechanism through a bolt; the top of the fixed flat plate in the alignment mechanism is provided with the jacking mechanism, and the jacking mechanism is composed of a sliding block, a spring and a top cap and is connected with the fixed flat plate in the alignment mechanism through a bolt. According to the laser cutting positioning device, the height difference between the two ends of the leveling clamping block is finely adjusted through an adjusting bolt in the leveling mechanism, so that the xy plane of the laser cutting positioning device is adjusted to be parallel to the xy plane of a laser cutting machine; the distance between the two alignment blocks is changed through a rotating rod in the alignment mechanism, so that the center position of the straight profile placed on the laser cutting machine is adjusted, and the axis, in the length direction, of the straight profile is parallel to the x axis of the laser cutting machine. A straight gear is rotated through a rotating nut in a telescopic support, and the height position of a fixed flat plate in the alignment mechanism in a notch in the middle of the reference chuck is adjusted; through the horizontal movement of the sliding block of the jacking mechanism and the stretching and retracting of the spring, the straight profile is clamped in the laser cutting positioning device. The laser cutting device is suitable for laser cutting of straight sectional materials with different section shapes, accurate positioning of the straight sectional materials on the laser cutting machine along all coordinate axes is achieved, and the cutting precision is improved.

The invention relates to the technical field of exhaust, in particular to a gas turbine exhaust system capable of being preheated and an exhaust method of the gas turbine exhaust system. The two sets of deflection plates are rotationally mounted in the purification box, and the two sets of deflection plates are arranged in parallel; the driving assembly is arranged on the purification box and connected with the deflection plate, and the driving assembly can drive the deflection plate to swing back and forth in the purification box; the stirring assembly is arranged in the purification box and connected with the driving assembly, and the stirring assembly can stir the absorption liquid in the purification box; the rotating rod is rotationally installed in the heating box, the interior of the rotating rod is of a hollow structure, and the rotating rod is connected with an air inlet pipe penetrating through the heating box through a rotating connecting assembly; the guide plates are circumferentially arranged on the rotating rod at equal intervals, and dispersion holes are formed in the circumferential surface of the rotating rod and located between the two guide plates; and the heating plate group is mounted in the heating box and is coaxial with the rotating rod, so that the temperature during waste gas treatment is increased.

The utility model relates to a batcher, in particular to a powder batcher which comprises a fixing block set, a sliding groove is formed in the inner side of the fixing block set, a scraping plate is installed in the sliding groove, guide rail pieces are installed at the two ends of the fixing block set, a magnet installation groove is formed in the outer side of the fixing block set, and a main powder plate is installed on the back face of the fixing block set. A plurality of adsorption plates arranged in order are installed on the back face of the main powder plate, and a push-pull handle is installed at the right end of the fixing block set. The medicine powder packaging device is simple in structure and easy to operate, quantitative medicine powder can be extracted each time, the packaging efficiency of the medicine powder is effectively improved, and meanwhile the medicine dispensing amount is more accurate.

The utility model provides a vacuum cup mouth polishing device, and belongs to the technical field of vacuum cup polishing. Comprising a shell, and a dust collection assembly, a vacuum cup rotating assembly, a swing assembly, an abrasive belt replacing assembly and a grinding head sliding assembly are installed in the shell; the vacuum cup rotating assembly is used for rotating the vacuum cup to be matched with the grinding head for polishing, and the dust collection assembly is used for collecting dust generated in the polishing process; the swing assembly and the grinding head sliding assembly are used for controlling the position of the grinding head so that the grinding head can abut against the cup opening of the vacuum cup, and the abrasive belt replacing assembly is used for transmitting the abrasive belt and collecting the ground abrasive belt. The dustproof device is arranged, pollution and harm to the human body are reduced, the abrasive belt at the grinding head is always in a sharp state due to the arrangement of the abrasive belt transmission device, the used abrasive belt can be collected, and operation is more convenient.

This utility model discloses a high-platform ball valve with double sealing. It is characterized by comprising a valve body and a valve cover disposed at one end of the valve body. A first soft seal is provided at the contact surface between the valve body and the valve cover, and the first soft seal is disposed within a groove formed in the valve body. A first hard seal is also provided at the contact surface between the valve body and the valve cover, and the first hard seal is disposed inside the soft seal. This utility model achieves double sealing of the sealing parts in the ball valve, significantly improving reliability.