37results about How to "Efficient energy consumption" patented technology

The invention aims at providing an energy accumulator which can store originally useless kinetic energy and convert the kinetic energy into auxiliary power. The energy accumulator comprises a braking part, a first planetary gear group, a gearbox, a ratchet device, a second planetary gear group, a compound ratchet and an energy accumulation part. The compound ratchet is composed of a sliding ring, a locating piece and a main ring. The external diameter of the main ring is smaller than the internal diameter of the corresponding position of an accommodating space, the internal diameter of the main ring is larger than the external diameter of the sliding ring, a plurality of outer grooves are annularly arranged at the position of the ring edge of the outer side of the main ring, and a plurality of inner grooves are also annularly arranged at the position of the ring edge of the inner side of the main ring. The outer grooves and the inner grooves are oppositely arranged, the higher side ends of and the lower side ends of both a first inclined plane and a second inclined plane are same in direction, and rolling columns capable of rolling in the outer grooves and the inner grooves are respectively movably embedded in the outer grooves and the inner grooves. In addition, a one-way bearing is further arranged at the joint of a first sun gear and a second planet carrier.

The invention relates to an inertial type shock-absorbing layer system used in the fields of civil engineering and energy infrastructure, which comprises an upper truss and a lower truss, an anti-buckling restrained brace energy consumption unit and a friction limit type viscous inertial system. The system provides the basic rigidity of the shock-absorbing layer through the upper truss group and the lower truss group, and limits the sliding of a lead screw through the friction limit unit of the inertial system under the action of wind load and small earthquake. When the external loading actionis enhanced, by relaxing the restraint with the friction limit unit of the inertial system, the energy of the shock-absorbing layer is dissipated by utilizing the friction damping, the viscous damping and an anti-buckling restrained brace hysteresis unit. The shock-absorbing layer establishes a systematically complete energy consumption path and a two-stage rigidity adjusting mechanism. The designed anti-buckling restrained brace meets the energy consumption requirement of the multi-stage support. The friction limit type viscous inertial system improves the energy consumption efficiency of the shock-absorbing layer. The inertial type shock-absorbing layer system is convenient and flexible, can effectively absorb and dissipate earthquake energy, has the advantages of high energy consumption efficiency, strong robustness, easy repair after earthquake and the like, and has good popularization and application value.

The invention discloses a three-dimensional shock isolation / vibration device with a sliding inclined spring, which is composed of horizontal and vertical shock isolation / vibration units connected in series up and down. The horizontal vibration isolation / vibration unit is a thin laminated rubber bearing with a large first shape factor, which contains a high-purity lead core energy dissipation unit; the vertical vibration isolation / vibration unit is supported by a thick laminated rubber bearing with a small first shape factor. The seat and the oblique rectangular compression spring connected to the vertical heavy-duty linear guide rail are connected in parallel. Through the elastic deformation of the low-hardness high-damping rubber and the linear guide rail-linked oblique rectangular spring tension-compression deformation, the vertical shock / vibration can be isolated together, and it can also be changed. The first shape coefficient of the thick laminated rubber bearing and the stiffness coefficient of the rectangular spring reduce vertical vibrations of different frequencies and amplitudes and realize three-dimensional vibration isolation / vibration. The invention belongs to a passive shock / vibration control means, which can be widely used in the shock-isolation layer of the upper cover structure of urban rail transit and the bottom of important large and medium-sized mechanical equipment.

The invention discloses a transverse damping device applicable to a large-span bridge. The damping device comprises an upper top plate, a lower bottom plate, an upper connecting plate, a U-shaped steel plate, a cushion block, an anchor bolt, a high-strength bolt, bolt holes and a slotting hole, wherein the bolt holes are reserved in the upper top plate and the lower bottom plate, and the upper top plate and the lower bottom plate are respectively and firmly connected with a bridge girder and a bridge tower; the U-shaped steel plate is an energy-consumption element, and is arranged between the upper top plate and the lower bottom plate; the upper connecting plate is reserved with the bolt holes and is fixed below the upper top plate through the anchor bolt; a straight section on the upper part of the U-shaped steel plate is arranged between the upper top plate and the upper connecting plate and is not in contact with the upper top plate; a straight section on the upper part of the U-shaped steel plate is reserved with the bolt hole, the slotting hole is reserved in the upper connecting plate, and the straight section at the upper part of the U-shaped steel plate is connected with the upper connecting plate through the high-strength bolt capable of freely sliding in the slotting hole. According to the damping device provided by the invention, the instant impact force generated in the process of converting the transverse structural system of the large-span bridge can be resisted, and the anti-seismic property of the large-span bridge can be improved.

A negative-stiffness self-adaptive energy-storage anti-shock column used in the fields of construction engineering and protection engineering, comprising an anti-shock outer cylinder, a negative-stiffness self-adaptive unit, an energy storage-energy-dissipation inner cylinder unit and an installation unit. The invention establishes a double anti-shock mechanism, uses the anti-shock outer cylinder as the first anti-shock defense line, uses the negative stiffness adaptive unit to amplify the deformation of the inner cylinder caused by the impact of the outer cylinder, and uses the energy storage-energy consumption inner cylinder to absorb and Enhanced dissipation of impact energy. Through the comprehensive utilization of the negative stiffness adaptive unit set between the inner cylinder and the outer cylinder and the composite energy storage-energy dissipation core material of the inner cylinder, the amplified restoring force and damping force are effectively realized under the action of a very short impact, shortening the The reaction time of the anti-shock column under impact is improved, and the anti-shock efficiency of the anti-shock column is significantly improved. The device of the invention is convenient and flexible to set up, can effectively absorb and dissipate impact energy, has the characteristics of multiple energy storage, high energy consumption, high robustness, and the like, and has good popularization and application value.

The invention belongs to the field of civil engineering and energy infrastructure and provides a shear wall system with a hysteretic inerter, comprising a shear wall structure, a hysteretic inerter structure, and a mounting base. The hysteretic inerter structure includes a plurality of groups of hysteretic energy-dissipating support units and a plurality of groups of viscous self-resetting inerterunits. A double self-resetting mechanism and a multiple energy-absorbing energy-dissipating means are established; structural vibrational energy is absorbed and dissipated via hysteretic shear platesand the viscous inerter units; rotational effect of a rocking shear wall helps decrease horizontal action that a rocking device bears; the inerter units enable system inertial characteristics to be effectively adjusted and overall deformation of the shear wall to be effectively controlled at the premise of not improving deformation rigidity of the shear wall; a rocking shear wall vibration-damping energy-dissipating system suitable for effective structural multimodal vibration control is provided; multiple aseismic lines are provided; the shear wall system herein has the advantages of energy-dissipating synergy, good robustness, good convenience of post-quake restoration and the like, and is well worthy of popularization and application.

The invention discloses a modularized steel pipe concrete multi-dimensional energy-dissipating wall with uniform stress distribution under earthquake, which belongs to the field of anti-seismic technology of assembled structures. The system is composed of prefabricated special-shaped concrete-filled steel tubes, connectors between concrete-filled steel tubes, beam connectors and bolts. The prefabricated special-shaped concrete-filled steel tube is filled with high-performance concrete polymer, which complements the mechanical properties of the external steel tube so that the member has good ductility when it is deformed in-plane and out-of-plane. The energy-dissipating wall adopts distributed walls, and the distributed walls are arranged along the beam direction or perpendicular to the beam direction. When the distributed wall deforms in-plane under the external multi-dimensional excitation, it provides the structure with the ability to resist lateral force; when When the wall deforms out-of-plane, the wall is bent out-of-plane and the stress is evenly distributed at the same thickness, so that the bending energy is dissipated while making full use of the material properties. Each component of the energy-dissipating wall is completely prefabricated by the factory, with controllable quality, and adopts prefabricated modular installation, which is convenient and fast for construction, and can reduce construction period and cost.

A prefabricated building beam-column joint structure and a construction method thereof relate to a beam-column joint and a construction method. Two to four steel beams are connected between the upper steel pipe column and the lower steel pipe column. Flat plates and flanges are respectively arranged at both ends of the joint connection seat. The two joint connection seats are respectively fixed on the lower end of the upper steel pipe column and the upper end of the lower steel pipe column. Two spherical positioning grooves are recessed on each side of the periphery, and two ball-joint lap rods are set at the steel beam connection end to be clamped between the corresponding spherical positioning grooves of the two flat plates. The edges of the two flat plates are connected and fixed by fastening bolts and nuts. The upper part of the beam is suspended and connected with the upper steel pipe column by a steel wire rope, and the energy-dissipating steel plate is diagonally braced between the lower part of the steel beam and the lower steel pipe column. A connection structure similar to a spherical hinge is adopted between the beams and columns, and the upper part is suspended by wire ropes, and the lower part is installed with energy-dissipating steel plates, which cooperate with each other to play an efficient energy-dissipating effect. The structure is stable and easy to assemble and repair damage.