45results about How to "Play the role of energy dissipation and shock absorption" patented technology

The invention relates to an assembled concrete seismic beam-column frame. The assembled concrete seismic beam-column frame comprises bracket columns (1), a beam (1), steel strands (4) and anchorage devices (5), wherein the beam (2) is arranged between the two bracket columns (1); a through hole is formed inside the beam (2) along the transverse direction; horizontal through holes corresponding to the beam (2) are formed in the suspended parts and the bodies of the bracket columns (1); the steel strands (4) orderly pass through the through holes inside the bracket columns (1) and the beam (2) and are fixed on the bracket columns (1) at two ends by the anchorage devices (5). The assembled concrete seismic beam-column frame is characterized in that the upper parts of the suspended parts of the bracket columns (1) are shorter than the bottoms; the end faces are of two-step shapes; the connected end faces of the beam (2) and the suspended parts of the bracket columns (1) are of matched two-step shapes. Furthermore, the invention also provides a construction method of the column frame. The method has the advantages that assembling of the beam is facilitated, the integrality of the assembled parts is good, and anti-shear bearing is facilitated.

The invention belongs to the technical field of seismic resistance of bridge and building projects, and particularly relates to a circumferential viscous damping support. The circumferential viscous damping support comprises an upper bearing board and a lower bearing board, wherein a support bearing body is arranged between the upper bearing board and the lower bearing board, the side edge of the upper bearing board extends downwards and bends inwards to form an annular cavity, the upper portion of the support bearing body is sleeved with an annular piston, a cavity structure is formed inside the annular piston, the upper end face and the lower end face of the annular piston are attached to the upper inner wall and the lower inner wall of the annular cavity respectively to seal the annular cavity, the interior of the annular cavity is communicated with the cavity of the annular piston, and the annular cavity is filled with viscous liquid. The circumferential viscous damping support has the functions of an ordinary ball-type steel support and a viscous damper, can resist the earthquake inertia force in various directions in the horizontal plane, and achieves the functions of energy dissipation and earthquake absorption.

The invention discloses an assembling type concrete column base node structure and a construction method thereof. The assembling type concrete column base node structure comprises a reinforced concrete foundation and a prefabricated reinforced concrete column, wherein the part of the top surface of the reinforced concrete foundation, corresponding to the connection of the prefabricated reinforcedconcrete column, is provided with a rough surface; the parts in the reinforced concrete foundation, corresponding to vertical reinforcements in the prefabricated reinforced concrete column, are provided with foundation anchoring reinforcements; vertical grouting sleeves sheath the upper parts of the foundation anchoring reinforcements; the top parts of the grouting sleeves are level to the top part of the reinforced concrete foundation; a circle of externally-wrapping steel plates are arranged at the lower part of the prefabricated reinforced concrete column; exhausting holes and grouting holes are formed in the externally-wrapping steel plates; corresponding to the externally-wrapping steel plates in position, a top plate, cross partitioning plates, vertical partitioning plates, groutingpipes and exhausting pipes are also embedded in the prefabricated reinforced concrete column. The assembling type concrete column base node structure and the construction method disclosed by the invention have the beneficial effect that the technical problem of damage of the column base due to poor deformation capability and mechanical property of the column base node with the assembling type structure is solved.

The invention discloses an annular steel wire rope-curved surface steel basin composite damping support base which comprises an upper support base plate and a lower support base plate, wherein a support body, a steel basin and dampers are arranged between the upper support base plate and the lower support base plate; a rubber plate is arranged inside the steel basin; the support body is used for supporting the top of the rubber plate; the circumferential surface of the lower end of the support body is matched with the inner wall of the steel basin; the bottom of the steel basin is connected with the lower support base plate through shearing nails; the bottom surface of the steel basin is a spherical surface; the spherical surface of the steel basin is matched with the spherical concave surface of the lower support base plate; the dampers are steel wire rope dampers; the steel wire rope dampers are annually arranged at the peripheries of the support body and the steel basin. The annular steel wire rope-curved surface steel basin composite damping support base has functions of a common steel basin type support base, a tensile force support base and a damping shock resistance support base, is capable of resisting earthquake inertia force from different directions within a horizontal plane, has functions of energy dissipation and earthquake resistance, has relatively large recovery force, can be relatively easily reset after earthquake, and has wide market prospects and good economic benefits.

The invention discloses an anti-seismic pier with a built-in energy dissipation device and a construction method thereof. A pier is included. A tubular pile is arranged in the pier; a plurality of rows of shock absorption and energy dissipation devices are arranged between the pier and the tubular pile; each row of shock absorption and energy dissipation devices at least comprises a group of shockabsorption and energy dissipation devices which are symmetrically arranged; and each shock absorption and energy dissipation device comprises energy dissipation assemblies which are distributed in acrossed mode, the two ends of each energy dissipation assembly are fixed to the pier and the inner wall of the pipe pile respectively, each energy dissipation assembly comprises a set of air cylindersand piston rods, the air cylinders and the piston rods are symmetrically distributed, pistons are arranged at the ends of the piston rods, and air holes are distributed in the pistons. The pier and the method are high in applicability; an anti-seismic capacity of the pier can be improved; a built-in shock absorption and energy dissipation device and a built-in steel pipe foam concrete pile can play a role in energy dissipation and shock absorption so that displacement of the pier under a seismic load is reduced, and the anti-seismic property of the pier is improved; and when an earthquake isfinished, the air holes are eliminated from or enter the air cylinder to balance air pressure inside and outside the air cylinder without applying an extra constant load to the pier.

The invention relates to a fabricated frame structure damping reinforcing device and a construction method thereof. The fabricated frame structure damping reinforcing device comprises a first hinge seat, a second hinge seat, a first rod and a second rod; the first hinge seat and the second hinge seat are fixedly connected to a vertical column and a cross beam of a beam-column joint; the upper endof the first rod is hinged to the first hinge seat through a first hinge shaft, and a plurality of first radial through holes are formed in a rod body of the first rod in the axial direction at intervals; the lower end of the second rod is hinged to the second hinge seat through a second hinge shaft, and a rod body of the second rod is sleeved with the first rod; a plurality of second radial through holes which correspond to the multiple first radial through holes in a one-to-one mode are formed in the rod body of the second rod in the axial direction at intervals; and a positioning rod penetrates through the position between each first radial through hole and the corresponding second radial through hole. The energy dissipation and damping effects can be achieved through deformation energydissipation of the positioning rods and the hinge shafts, then only the positioning rods and the hinge shafts need to be replaced, the damping performance is good, the service life is long, construction is convenient, and mounting and dismounting are easy.

The invention discloses an active fault crossing tunnel seismic reduction joint structure, a tunnel structure and a construction method. The technical solution of the active fault crossing tunnel seismic reduction joint structure comprises a rubber layer arranged in a seismic reduction joint, the rubber layer is longitudinally located between pre-construction section concrete and post-construction section concrete, the rubber layer is annularly located between a seismic reduction joint inner layer steel plate and a seismic reduction joint outer layer steel plate, one end of the seismic reduction joint inner layer steel plate is fixed with a pre-construction section inner layer steel plate, the other end is fixed with a post-construction section inner layer steel plate, one end of the seismic reduction joint outer layer steel plate is fixed with a pre-construction section outer layer steel plate, the other end is fixed with a post-construction section outer-layer steel plate, and reinforcing meshes are installed between the pre-construction section inner layer steel plate and the pre-construction section outer layer steel plate and between the post-construction section inner layer steel plate and the post-construction section outer layer steel plate correspondingly. According to the active fault crossing tunnel seismic reduction joint structure, the tunnel structure and the construction method, the influence of overlarge stress or overlarge deformation caused by faulting on the tunnel structure can be reduced, the toughness of the fault crossing part of the tunnel is effectively improved, and the safety and normal use of the tunnel are guaranteed.

The invention relates to a transformer with a reinforced radiator, which comprises a box body, a damping bracket and a radiator; the damping bracket comprises a cross supporting rod, a diagonal supporting rod and a damper, and the damping bracket can generate tiny deformation in a vibrating environment; under the earthquake effect, the radiator can be vibrated within a certain scale along with thevibrating bracket, thereby avoiding the radiator dropping from the box body for the rupture of the rigid connection. Moreover, the box body, the radiator and the damping bracket can be formed to be astructure which is similar to a tuning quality damper, and the tuning quality damper can eliminate energy and absorb shock, thus the overall power response is reduced. Furthermore, the flexible connection between the radiator and the holding cavity is free. Therefore, the radiator in the vibrating process can also be connected with the holding cavity all the time, so as to avoid oil leakage and other phenomenon. Therefore, the anti-seismic property of the transformer with the reinforced radiator can be effectively promoted.

The invention discloses a reinforcing structure for a purline tenon. The reinforcing structure comprises a mortise, a purline and a tenon, wherein a fixing strip is placed on the surface, close to the tenon, of the purline; fixing plates are fixedly mounted at the positions, corresponding to the two sides of the purline, of the surface of the fixing strip; a first connecting plate and a second connecting plate are arranged on the surfaces of the fixing plates correspondingly; a rotary connecting assembly is arranged on the surface of the first connecting plate; a connecting rod is arranged at the other end of the rotary connecting assembly; a threaded rod is fixedly connected to the other end of the connecting rod; a limiting device is arranged on the surface of the threaded rod; a connecting support is fixedly mounted on the surface of the second connecting plate; and two through holes are symmetrically formed in the connecting support. According to the reinforcing structure, the detachable connecting rod is arranged, the purline in different connecting modes can be adapted without too much change, mounting is simple, and universality is high.

The invention discloses an oil and gas multiphase-flow multi-cavity intelligent heat preservation pipeline structure and a construction method, and relates to the technical field of pipelines. The structure is formed through sequential connection of three pipelines through a GFRP buckling-prevention energy dissipation damper, axes of the three pipelines are connected in sequence to form an equilateral triangle, each pipeline comprises a pipeline single body and a whole type joint, each pipeline single body comprises an outer layer GFRP round pipe, an inner layer GFRP round pipe, a self-compaction fine aggregate concrete layer and an annular heat transfer plate, an outer layer GFRP round pipe reserved bolt hole and a heat conduction pipe mounting hole are formed in the outer wall of each outer layer GFRP round pipe, the heat conduction pipe mounting holes are connected with temperature control devices through steel anchor racks, two pipeline single bodies are connected through the wholetype joints, and concrete pouring holes and exhaust holes are formed in the outer walls of the whole type joints. The oil and gas multiphase-flow multi-cavity intelligent heat preservation pipeline structure and the construction method solve the problems that a traditional pipeline is small in diameter, poor in stability and anti-permeability, low in conveying efficiency, single in conveying manner, and poor in heat preservation property of conveying media in the high and cold area.

The invention discloses an oil gas multi-phase leveling cavity heat preservation combination pipeline structural system and a construction method, and relates to the technical field of pipelines. Thesystem is formed by connecting two pipelines through a GFRP anti-buckling energy dissipation damper. Each pipeline comprises pipeline monomers and integrated joints. Each pipeline monomer comprises anouter layer GFRP circular pipe, an inner layer GFRP circular pipe, a self-compaction fine aggregate concrete layer and a heat preservation plate, wherein an outer layer GFRP circular pipe reserved bolt hole is formed in the outer wall of the outer layer GFRP circular pipe; the two pipeline monomers are connected through the integrated joints, the integrated joints are connected with the bolt holes in the two ends of the two pipeline monomers through high-strength bolts, concrete pouring holes and exhaust holes are formed in the outer walls of the integrated joints, and the concrete pouring holes and the exhaust holes are distributed at intervals. According to the oil gas multi-phase leveling cavity heat preservation combination pipeline structural system and the construction method, the problem that a traditional pipeline is small in diameter, poor in stability and anti-permeability, low in transporting efficiency, single in conveying mode and poor in cold region transporting medium heat preservation performance is solved.