10results about How to "Reduce deflection deformation" patented technology

The utility model relates to the technical field of bridge expansion devices, and discloses a reinforced anchoring type bridge expansion device which comprises a middle rail, a stiffening plate is fixedly connected to the lower surface of the middle rail, a cross beam is fixedly connected to the outer wall of the stiffening plate, and water-stop belts which are in bilateral symmetry are fixedly connected to the interior of the middle rail. The outer walls of the water stop belts are fixedly connected with side rails, the outer walls of the side rails are slidably connected with anchoring plates, anchoring ribs are arranged in the anchoring plates in a penetrating mode, the upper surface of the cross beam is fixedly connected with an upper support, and the upper surface of the upper support is fixedly connected with a bottom face supporting plate. Through cooperation of the middle rail, the reinforcing plate, the anchoring plate and the anchoring rib, the effects of enhancing the bearing capacity of the side rail and reducing deflection deformation of the side rail are achieved, and the problems that due to the fact that a steel rail prone to falling off is prone to form the elevation difference at the two ends of an expansion joint, vehicles jump, driving safety and comfort are affected, and impact loads are increased due to frequent vehicle jump are solved. And the expansion joint protection belt is damaged and cracked.

The invention belongs to the technical field of building construction, and discloses a construction method of a high-altitude super-large-span negative-curvature flexible steel roof structure. Comprising the following steps that the periphery of a negative curvature flexible steel roof of a radial net structure formed by longitudinal main beams and transverse secondary beams is connected with four steel roof trusses of an east truss, a south truss, a west truss and a north truss correspondingly; the temporary supporting jig frame and the transverse main beam are used as temporary pulling knots; two transverse main beam supporting jig frames are installed, and positioning and splicing are conducted according to the distribution positions of transverse main beams; the transverse main beams are welded and spliced into a whole at the positions of the transverse main beam supporting jig frames; socket type expansion joints used for releasing deformation in the east-west direction are arranged on the transverse secondary beams at the ends of the south side and the north side of the longitudinal main beam. And after the longitudinal main beams and the transverse secondary beams of the roof are all installed, the jig frame unloading process is carried out, and the accurate and efficient installation process of the whole roof truss is completed. The whole unloading process can be precisely controlled, and construction safety is ensured.

The invention provides a transverse moving track mechanism and a transverse moving roller changing device, and relates to the technical field of roller changing equipment. The transverse moving track mechanism comprises a first transverse moving track and a second transverse moving track which are arranged at an interval; the rotary transverse moving track is arranged between the first transverse moving track and the second transverse moving track; the rotary transverse moving track is controllably connected with the first transverse moving track and the second transverse moving track; and the track supporting structure is arranged between the first transverse moving track and the second transverse moving track, and when the rotary transverse moving track is in the state that the first transverse moving track and the second transverse moving track are connected, the track supporting structure can support the rotary transverse moving track. According to the transverse moving track mechanism, deflection deformation borne by the rotary transverse moving track can be reduced, so that the rotary transverse moving track can be better connected with the first transverse moving track and the second transverse moving track, and the operation stability of the transverse moving carrier roller device is improved.

The invention discloses a reinforcing structure based on UHPC (Ultra High Performance Concrete), and relates to the technical field of repairing and reinforcing of original buildings. The strength and the stability of the integral structure formed by the reinforced structure and the workpiece are improved through the ultra-high performance concrete; the first reinforcing unit is located in the UHPC; the first reinforcing units and the UHPC can bear external loads together and deform together under the action of the external loads, and the flexural rigidity, the shear strength and the bearing capacity of an overall structure formed by the reinforcing structure and a workpiece are remarkably improved; the first end of the second reinforcing unit extends into the ultra-high-performance concrete, the second end of the second reinforcing unit extends into the workpiece, the binding force and integrity between the workpiece and the ultra-high-performance concrete are improved, the rigidity of an overall structure formed by the reinforcing structure and the workpiece is improved, the first reinforcing unit abuts against the second reinforcing unit, and therefore the reinforcing effect is improved. It is guaranteed that the overall structure formed by the reinforcing structure and the workpiece has good stability and bearing capacity.

A prefabricated multi-ribbed channel-shaped plate is provided with staggered first horizontal ribs, second horizontal ribs, first vertical ribs and second vertical ribs at the lower part of the plate body, the first horizontal ribs are provided with bending forming ribs and prestressed steel wires, the second horizontal ribs are provided with first U-shaped forming ribs and prestressed steel wires, and the second vertical ribs are provided with second U-shaped forming ribs, and the connection strength performance of the horizontal ribs and the vertical ribs is improved through the horizontal ribs and the vertical ribs in the plate body. The multi-rib structure is adopted, the two side edges are half ribs, the middle part is a full rib, a spatial grid structure is formed, the overall stiffness and bearing capacity are enhanced, the integrity and deformation resistance of the multi-ribbed plate are improved, and the multi-ribbed plate is suitable for large-span heavy-load working conditions, such as industrial plants, large public buildings and the like, and can bear a large live load. In buildings, such as residences and office buildings, which are sensitive to layer height, the multi-ribbed plate can reduce the structural height, improve the building headroom, realize the design of no column and no wall in a large space, and improve the spatial experience. Not only can the plate bottom cracking and deflection deformation problems be greatly reduced during construction and use, the user experience is improved, but also the needs of different users are met.

The utility model discloses a poultry egg husking device, which belongs to the technical field of poultry egg processing equipment, and comprises a pressure conveying roller and two husking rollers which are respectively and rotatably arranged on a rack, each husking roller comprises a core shaft which is rotatably arranged on the rack, each core shaft comprises a transmission end and a mounting end, a transmission gear is fixedly arranged at each transmission end, and a transmission shaft is fixedly arranged at each mounting end. The transmission gear is sleeved on the mandrel, the mounting end is sleeved with a rubber sleeve, the rubber sleeve and the pressing conveying roller jointly form an effective poultry egg shelling area, and the shaft diameter of non-shelling effective areas on two sides of the rubber sleeve is larger than the diameter of the mandrel at the position of the rubber sleeve. The poultry egg shelling roller solves the technical problems that a shelling roller is poor in bending resistance, and poultry eggs are damaged due to the fact that the poultry egg shelling roller is prone to deformation during shelling, and is widely applied to poultry egg shelling.

The present invention discloses a composite prestressed reinforcement system for a hydraulic concrete structure and a construction method thereof, which relates to the field of hydraulic concrete structure reinforcement systems. The composite prestressed reinforcement system for a hydraulic concrete structure comprises: a prestressed carbon fiber plate, the two ends of the prestressed carbon fiber plate are respectively fixed to the bottom end of a hydraulic concrete T-beam through a first anchoring mechanism and a first tensioning mechanism; and at least two prestressed steel strands are also included, the prestressed steel strands are symmetrically fixed below the partitions on the two sides of the bottom of the hydraulic concrete T-beam, one end of the prestressed steel strand is connected to the second tensioning mechanism, and the other end is connected to the second anchoring mechanism; the construction method comprises: laying out and positioning, base surface treatment; anchor installation; prestressed carbon fiber plate, prestressed steel strand installation and laying; glue preparation, application of carbon fiber plate adhesive; prestressed tensioning, locking; surface sealing treatment. The composite prestressed reinforcement system for a hydraulic concrete structure and a construction method thereof provided by the present invention can effectively increase the strength and rigidity of the structure, improve the bearing capacity of the structure, and at the same time reduce the deflection and deformation of the structure, and can play a role in reducing and sealing cracks.

The utility model relates to the technical field of building construction, concretely relates to a support variable cross section channel shape composite component, including panel and two strip shape, two the strip shape fixed in the position of the two sides bottom of the panel along the length direction, the strip shape includes side plate section and two eaves beam sections, two the eaves beam section is fixed in the both ends of side plate section, and the thickness of eaves beam section is greater than the thickness of side plate section. The utility model forms eaves beam section through thickening the vertical edge both ends position of panel, makes its eaves beam section have certain thickness, can bear enough pressure under the bending moment, to enhance the support carrying capacity, and the thickness of side plate section is less than the thickness of eaves beam section, reduces material cost and structure deadweight, and the hoisting operation is convenient, solves the technical problem that the edge structure of the existing channel shape component cannot satisfy the lightness of deadweight of eaves beam and the integrity structure requirement of beam simultaneously.

The guide beam of the newly-built station building structure in pushing is arranged in front of the newly-built station building structure and comprises a first section, a second section and a third section, the second section is located in front of the first section, the lower surface of the second section is parallel to the upper surface of the newly-built station building structure, the upper surface of the guide beam inclines to the upper surface of the guide beam, and the end, connected with the newly-built station building structure, of the guide beam is the highest. According to the guide beam, the mass of the front end is lighter, the rigidity of the whole guide beam can be kept, deflection deformation is reduced, and therefore the pushing precision is improved. The utility model further provides a guide beam set of the newly-built station building structure in incremental launching, the guide beam set comprises the guide beam, and due to the fact that the guide beam has the advantage of being high in rigidity, the guide beam set also has the advantage of being high in rigidity, and incremental launching construction can be completed smoothly.