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153results about How to "Easy and accurate installation" patented technology

Structure and method for installing perpendicularity sensor on ultralong tubular pillar

The invention discloses a structure and method for installing a perpendicularity sensor on an ultralong tubular pillar. The structure comprises a laser gradiograph, a coarse adjusting bolt assembly, a fine adjusting bolt assembly, a light target, an installing bottom plate, an adjusting plate and a right-angle bent plate, and the perpendicularity sensor and a laser transmitter are arranged in the laser gradiograph. The perpendicularity sensor can measure the included angle between a measuring datum line and a natural vertical line. The laser of the laser transmitter is parallel to the measuring datum line of the perpendicularity sensor. The position of the adjusting plate is adjusted through the coarse adjusting bolt assembly and the fine adjusting bolt assembly so that when the light target is installed on different datum lines, the position of the laser on the laser target cannot be changed, and the laser transmitted after the laser gradiograph is installed and fixed is parallel to the axis of the tubular pillar. The problem of installing and positioning of the perpendicularity sensor on the ultralong tubular pillar is solved, it is ensured that the laser transmitted by the laser gradiograph is parallel to the axis of the tubular pillar, the measuring precision of the laser gradiograph is guaranteed, and the perpendicularity adjusting construction of the tubular pillar is more convenient and accurate.
Owner:SHANGHAI CONSTRUCTION GROUP

Accurate adjusting frame of high-speed railway ballastless track plate

The invention provides an accurate adjusting frame of a high-speed railway ballastless track plate, which is convenient, accurate and stable to mount, has high precision, and is used for accurate adjusting work of CRTS II and CRTS III ballastless track plates of a high-speed railway. The accurate adjusting frame comprises a rack (1); a pair of through holes (5) is arranged on the rack (1); a connecting line of the centers of the through holes (5) is parallel to the straight-line long edge of the rack (1); bearings (2) are mounted at the two ends of a shaft (3) and are clamped by a clamping spring (4); the shaft (3) is provided with one pair of through holes and is mounted on the rack (1) through a screw rod (6) and the through holes (5); a positioning rod (10) is mounted on the through holes of the rack (1) through a nut (8); a magnet (9) is mounted at the top of the positioning rod (10) and is used for mounting a measuring ball; and the through holes (7) on the rack (1) are used for guaranteeing the vertical placing precision of the frame. According to the accurate adjusting frame of the high-speed railway ballastless track plate, the precise machining precision is controlled so that the rack (1) is horizontal; the vertical distance from the center of the positioning rod (10) to the straight-line long edge of the rack (1) is a fixed value; and after the measuring ball is mounted at the top of the positioning rod, the distance from the spherical center of the measuring ball to the supporting point of the positioning rod (10) is a fixed value. The frame disclosed by the invention has the advantages of small and light frame, convenience and accuracy for installation, good stability, high precision, small influences caused by a temperature and convenience for storage and transportation.
Owner:SHANGHAI I SURVEY SOFTWARE

Flow rate calibrated, mechanically adjustable stormwater flow diverter

An object of this invention is to provide an improved stormwater diversion device that offers a more precise, easy to install and accurate means for diverting stormwater flow than any of the aforementioned prior art techniques. Referring now to the drawings, a flow rate gauge (1) is displayed on top of the apparatus clearly allows the installer to easily calibrate the device's potential flow rate to fit any particular need/situation without having to change the dimension of the box itself. Quite simply, after the device is fitted to the storm sewer structure, and the structure (e.g. inlet box) is installed in the field; the installer is merely required to use a lug wrench to either accommodate more flow, by turning the adjustment nut (2) counter-clockwise resulting in the movement (opening) of the gate (3) along the track (4) or reduce the allowed flow rate, by turning clockwise resulting in the movement (closure) of the gate (3) along the track (4). While the movement of the gate adjusts the aperture (orifice) size, the gauge (1) will continually allow the installer to observe what flow rate would be achieved depending on the setting of the gate (3). A qualified engineer knowledgeable in hydrological methods would determine the selected flow rate required.
Owner:DUNCAN GREGORY S
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