7results about How to "Improve construction rate" patented technology

The utility model discloses an annular track hoisting device for a super high-rise curtain wall. The device comprises a cantilever I-shaped beam connected to a first structural beam, an embedded part connected to the top of the cantilever I-shaped beam and the top of the first structural beam, an embedded part or a chemical anchor bolt connected between the cantilever I-shaped beam and a main body structure, a butt joint part connected to the cantilever end of the cantilever I-shaped beam, and a rail connected to the lower portion of the butt joint part. The lifting jack or the hanging basket is connected to the lower portion of the track, the cable-stayed lifting lug plate is arranged at the top of the outward extending end of the cantilever I-shaped beam, and the cable-stayed rope is connected between the cable-stayed lifting lug plate and the second structural beam. According to the utility model, through the arrangement of the cantilever I-shaped beam, the foundation installation of the platform or the jack can be ensured; through the installation of the cable-stayed rope, the fixing and bearing capacity of the cantilever end is further improved; adjustable fixation is carried out through the cable-stayed lug plates and the split bolts; and through the arrangement of the double rails, multi-point inside and outside synchronous construction is guaranteed, the construction speed is greatly increased, and the construction cost is greatly reduced.

The invention relates to the field of steel bridge deck pavement, in particular to a steel bridge deck slab bridge deck pavement structure based on fly ash geopolymer concrete and a pavement method thereof. The surface pavement structure sequentially comprises a steel bridge deck, a bonding layer, a fly ash geopolymer concrete layer and an asphalt pavement layer from bottom to top; the bonding layer is composed of an epoxy resin adhesive and quartz sand embedded in the epoxy resin adhesive; the fly ash geopolymer concrete layer is a fly ash geopolymer concrete plate made of fly ash geopolymer concrete. The steel bridge deck and the coal ash geopolymer concrete are connected into a whole through the epoxy resin adhesive instead of adopting a shear nail in the prior art, the connection between the geopolymer concrete layer and the steel bridge deck layer is enlarged, the contact area between the geopolymer concrete layer and the steel bridge deck layer is enlarged, and the integrity of the structure is further improved. And specifically, the stress amplitude at fatigue details is reduced through cooperative stress, fatigue crack propagation is avoided, and the service life is long.

The present invention discloses a gantry concrete pouring machine for prefabricated box beams and a construction method thereof, comprising: a gantry having two pouring chambers, and a loading station is formed on one side of the two pouring chambers away from each other; a walking and lifting assembly is arranged on the gantry for controlling the movement of the gantry; a loading assembly is arranged in the loading station; a material distribution assembly is arranged in the pouring chamber, and moves along a length direction parallel to the prefabricated box beam construction table, and can be moved to the loading station; a vibrating and smoothing assembly is relatively fixed with the material distribution assembly, and is used to vibrate and smooth the materials on the prefabricated box beam construction table in turn. The present invention relates to the technical field of casting and forming of prefabricated box beams. Through the above arrangement, the mechanization degree of forming of prefabricated box beams is effectively improved, so as to improve the forming rate and forming quality of prefabricated box beams, and correspondingly reduce the labor intensity of human labor.

The utility model provides a quick pile top positioning and connecting device for combined double batter piles, which comprises a positioning and pushing device, leveling guide plungers are fixedly arranged on two sides of the bottom of the positioning and pushing device, and the leveling guide plungers abut against the end parts of the batter piles; the leveling guide plunger comprises a connecting base, a pile plug is arranged in the center of the bottom of the connecting base, a positioning groove is formed in the outer side of the pile plug, the pile plug is inserted into the inclined pile, the positioning groove abuts against the outer portion of the inclined pile, a positioning guide base is arranged at the top of the connecting base, and a plurality of leveling devices are arranged between the positioning guide base and the connecting base. The angle of the inclined pile is adjusted through the leveling guide plunger, a horizontal supporting face is provided for the positioning pushing device, the bearing platform is locked through the locking device, and when the bearing platform needs to be moved, the platform is ejected out and moved through the three-way jack; operation is rapid and convenient, the structure is simple, stability is high, and piling deviation within a certain range can be adapted; the mobility of the platform is achieved, the construction rate is increased, the labor amount of workers is reduced, and practicability and market application value are achieved.

The utility model belongs to material transportation equipment technical field discloses a track structure and transportation device. Track structure includes support column body, support piece and guide rail, a plurality of support column bodies set up on mountain slope to support support piece, support piece is adjustably connected in support column body, both ends of support piece are used for supporting guide rail, guide rail is laid in support piece and is fixed in support piece through fastener, transportation device includes walking mechanism, connecting mechanism and deposit mechanism from below to above are connected in proper order, walking mechanism includes guide rail wheel, guide rail wheel can roll in guide rail to drive deposit mechanism to remove, the utility model provides a track structure, and construction process does not need to pour column, reduces construction period, has improved construction rate, and support column only needs to set up a line, has reduced work load, has improved construction rate. The utility model provides transportation device for transporting material, reduces construction personnel's labor intensity.

The invention relates to the technical field of photovoltaic cable clamps, and provides a photovoltaic carbon fiber cable small cable clamp design and transverse stress inverted test method, which comprises the following steps: S1, test piece installation; s2, pre-tightening an inhaul cable; s3, test loading is carried out; in a flexible photovoltaic support project, transverse force is conducted downwards to a photovoltaic pressing block through a photovoltaic panel, the pressing block is conducted downwards to a small cable clamp, a cable clamp clamping seat presses a carbon fiber cable body downwards, a height-adjustable test platform is additionally arranged in the middle of the test stroke of a horizontal tension tester, and the test precision is improved. By changing the bending angle and the axial tension of the carbon fiber cable body, loading of given transverse force can be achieved, according to the scheme, original vertical downward transverse force application is changed into vertical upward jacking, meanwhile, the opening of the cable clamp clamping base is installed upwards, the carbon fiber cable body is still pressed by the arc-shaped notch of the cable clamp clamping base, real engineering stress is not changed, and the carbon fiber cable body can be firmly fixed through the arc-shaped notch of the cable clamp clamping base. And meanwhile, additional arrangement of a jack and a counter-force frame is avoided.

The invention discloses a high-frequency pile sinking device suitable for low clearance and a construction method. The device comprises a mounting frame which comprises a supporting column, a support plate and a connecting piece, and the support plate is fixed to the end opposite to the end, connected with a foundation, of the supporting column. The vibration mechanism comprises a high-strength spring set, a mounting shell, a plurality of transmission rods, a plurality of eccentric wheels, a transmission assembly and a driving mechanism, the transmission rods, the eccentric wheels, the transmission assembly and the driving mechanism are arranged in the mounting shell, the high-strength spring set is arranged outside the mounting shell and connected with the support plate, and the transmission rods are sleeved with the eccentric wheels in a one-to-one correspondence mode; the multiple sets of transmission rods are located in the same plane and symmetrically distributed, and the rotating directions of any two symmetrically-distributed transmission rods are opposite. Periodic high-frequency vibration waves cause small disturbance to surrounding soil, and the soil squeezing effect can be effectively reduced. The vibration type pile sinking can reduce the shear stress of the soil body around the pile body, so that the construction speed is obviously improved. And therefore, the device provided by the invention is wider in applicable soil texture range of the foundation.