57results about How to "Fast installation and disassembly" patented technology

The invention discloses a tube and an assistor for installing and detaching the tube. The tube comprises a tube body and a supporting rod, wherein two parallely arranged contact pins are fixedly arranged at both ends of the tube body respectively; a marking piece is arranged outside the tube body and is aligned with the plane of the two contact pins; a bracket is arranged on the upper part of the supporting rod; the bracket is provided with stationery clamping arms and moveable clamping arms for clamping the tube body; an elastic piece for clamping the stationery clamping arm and the moveable clamping arm is arranged between the stationery clamping arm and the moveable clamping arm; a main clamping wheel and an assistant clamping wheel for clamping both sides of the tube body are respectively installed on the upper parts of the stationery clamping arm and the moveable clamping arm; the bracket is provided with a driving wheel which is driven by a motor and is in transmission fit with the bottom of the tube body; and a controller for controlling the motor to rotate and a power supply are arranged on the lower part of the supporting rod. The tube and the assistor for installing and detaching the tube are reasonable in structure, and the tube can be installed or detached in site; the installing and detaching speed is high, the operating efficiency is high and the operating safety is high.

The invention discloses a special tool for testing an ultra-low temperature valve. The special tool for testing the ultra-low temperature valve comprises a frame structure, wherein a front sealing disc and a rear sealing disc are separately mounted on the opposite sides of the frame structure, and are close to each other or away from each other to tighten the ultra-low temperature valve; each of the front sealing disc and the rear sealing disc is provided with sealing rings in multiple specifications, through holes are formed in the centers of the front sealing disc and a main plate along theaxial direction, and the temperature sensor penetrates through sealing buckles in the through holes and partially extends into the ultra-low temperature valve; the front sealing disc is provided withan air inlet connecting port along the radial direction, and the air inlet connecting port communicates with the through holes; and a detection connecting port is formed in the rear sealing disk alongthe radial direction, and the other end of the detection connecting port communicates with the interior of the ultra-low temperature valve. The special tool for testing the ultra-low temperature valve, provided by the invention, can clamp rapidly, and facilitates testing.

The invention discloses an empennage-type door and window comprising a window frame and a window sash. The window frame comprises upper, lower, left and right window frame sectional materials; the window sash comprises an inner window sash body and an outer window sash body; left, right, upper and lower window sash sectional materials of the outer window sash body adopt the first window sash sectional material, the second window sash sectional material, the fourth window sash sectional material and the fifth window sash sectional material correspondingly; left, right, upper and lower window sash sectional materials of the inner window sash body adopt the third window sash sectional material, the first window sash sectional material, the fourth window sash sectional material and the fourth window sash sectional material correspondingly; the upper window frame sectional material comprises a steel auxiliary frame and a first main frame; the first main frame comprises two first opposite right angle L-shaped side plates and clamping grooves in the inner sides of the first side plates; the lower window frame sectional material comprises a steel auxiliary frame and a second main frame; the left and right window frame sectional materials comprise steel auxiliary frames and third main frames; each third main frame comprises second right angle L-shaped side plates and a limiting plate connected between the second side plates; and a fixed plate is arranged on the inner side of the limiting plate. The door and window structure is optimized, the mounting difficulty is reduced, mounting efficiency is improved, and the mounting quality is guaranteed.

The invention relates to the technical field of rotary excavating drilling rig whole guard barrel follow-up, in particular to a bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system. According to the method, a rotary excavating drilling technology and a cutting type whole steel guard barrel assembly structure are combined; soil is sunk by rotary excavating, drilling and cutting; and a guard barrel is designed to be of a double-layer structure; the technical problems that when a drilling rig conducts drilling conduction on a nonresistant strata, hole collapse is serious, and the construction efficiency is low are effectively solved by the structural designs of a guard barrel embedded interface, a built-in pin shaft, a bottom joint mounting alloy cutter and the like and the mode that the guard barrel is quickly connected through a connecting guiding device and a spiral guiding device. The cutting type steel guard barrel can be used in a recycling ode, is low in relative cost and safe and efficient in construction, saves energy, and is environmentally friendly; site operation and construction are simple and convenient; the construction process can be mastered by an operator easily; and the pile foundation hole forming quality and the pile foundation pouring quality can be well guaranteed.

The invention relates to an assembled fence. The assembled fence comprises a fence wallboard and a base; the fence wallboard comprises a second plate and a first plate; the first plate and the second plate are connected through a hinge connecting piece; the hinge connecting piece comprises a first fixed block and a second fixed block; the first fixed block and the second fixed block are fixedly installed on the second plate and the first plate respectively; the first fixed block and the second fixed block are each provided with a shaft sleeve; the two shaft sleeves are connected through a rotating shaft; the first fixed block and the second fixed block are each provided with a vertically-through connecting hole; the connecting holes in the first fixed block and the second fixed block are connected in an inserted mode through a pin; the base is anchored on the ground; two clamping plates are arranged on the base; and the lower part of the first plate is inserted between the two clamping plates and is fixed through connecting bolts. The base is matched with a folding type fence structure to meet the installation requirement of the assembled fence, and the problems that an existing fence is poor in cyclic utilization, complex in installation and single in function are solved.