3results about How to "Improve construction work efficiency" patented technology

The utility model provides a kind of auxiliary fixture for dismantling and assembling steel rail track leveling pad, including first cross bar, the first cross bar both ends are symmetrically equipped with clamping rod, and both are movably connected, the first cross bar below is equipped with second cross bar, the second cross bar both ends are symmetrically equipped with connecting rod, the connecting rod both ends are movably connected with first cross bar, second cross bar respectively, the second cross bar top is equipped with hydraulic jack, and its top and the first cross bar bottom contact;The first cross bar and second cross bar are arranged in parallel;The clamping rod is L type, and its bottom is equipped with wedge foot.The utility model uses hydraulic force to drive clamp to lift pad from installation base, it is convenient to use pad iron to adjust the height of steel rail track, fixture design combines actual operation environment, simple and reliable structure, simple and easy to make, it is extremely labor-saving to operate, convenient, improve labor efficiency and operation safety.

The utility model belongs to the technical field of large-span steel structure transfer floor, concretely relates to a kind of large-span steel structure lower hanging transfer floor system, including two clamping pieces A and a clamping piece B, the clamping piece A and clamping piece B are respectively located at the upper end and lower end of the flange plate of the bottom of main body steel structure beam, and the opposite ends of two clamping pieces A respectively adhere to the web of main body steel structure beam, the opposite ends of two clamping pieces A are respectively fixedly connected by bolt A with the two ends of clamping piece B, the lower end of clamping piece B is fixedly connected by bolt B with transfer floor hanging keel.The utility model is connected by bolt, without welding, does not destroy original structure, easy to adjust, and operation efficiency is high.

The invention discloses a prefabricated jig frame for web steel bars in hanging basket cantilever construction and a construction method of the prefabricated jig frame, and relates to the technical field of box girder construction. The prefabricated jig frame comprises a supporting part and a mounting part which are connected through a fixed connecting rod and arranged in parallel. The supporting part comprises a supporting part stand column and a horizontal rib comb tooth clamping groove rod. The installation part comprises installation part stand columns, the installation part stand columns are fixedly connected through horizontal connecting rods, a fixed end head rod is arranged on the side, back on to the supporting part, of one end of the installation part, an adjustable end head is installed at the other end of the installation part, and the adjustable end head is installed on the horizontal connecting rods; a fixed comb tooth clamping groove rod and three adjustable comb tooth clamping groove rods are arranged on the portion, between the adjustable end and the fixed end rod, of the installation part stand column from top to bottom. The prefabricated jig frame can be adjusted in the length direction, the width direction and the height direction, and universality is high; and in cooperation with ground prefabrication and integral hoisting construction, the construction time can be greatly shortened, the construction quality is improved, and the high-altitude operation risk is reduced.