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Shape memory alloy spring damper manufacturing method

Author: Time:2019-07-23Pageviews:81

The anti-fatigue performance is very good, and the deformation can recover a large strain (6% to 8%). Therefore, the damper made of shape memory alloy has the characteristics of automatic recovery compared with other types of dampers, and has higher damping energy consumption capacity, which is to reduce the damage of the building structure under earthquake action. An effective solution to repair the structure itself or repair and replace the damper cost after a small earthquake.

The anti-fatigue performance is very good, and the deformation can recover a large strain (6% to 8%). Therefore, the damper made of shape memory alloy has the characteristics of automatic recovery compared with other types of dampers, and has higher damping energy consumption capacity, which is to reduce the damage of the building structure under earthquake action. An effective solution to repair the structure itself or repair and replace the damper cost after a small earthquake.




Technical realization elements:


      In order to solve the above-mentioned defects existing in the prior art, the object of the present invention is to provide a shape memory alloy spring damper, which aims to overcome the defects and deficiencies of the above background art, and adopts a method of node reinforcement to restrict the interlayer side. Shifting significantly improves the energy consumption and self-reset ability of the structure under earthquake action, thereby solving problems such as tilting and collapse of buildings caused by earthquake, wind vibration or mechanical vibration, and avoiding buildings after earthquake Secondary correction and reinforcement.




The utility model is realized by the following technical solutions.




      The shape memory alloy spring damper comprises a wooden column and a wooden beam connecting the wooden columns, and a rigid tie rod is connected to the corner connecting the wooden column and the wooden beam, and one end of the rigid tie rod is hinged on the inner side of the wooden column by the wooden column clamp mechanism. The other end is connected to the spring base at the bottom of the wooden beam through a slidable support. The shape memory alloy spring is sleeved on the sliding circular shaft of the spring base, and the rigid tie rod drives the reciprocating motion of the slidable support, so that the shape memory alloy spring Stretching or compressing, withstanding the internal forces between the wood column and the wooden beam.




       Further, the wood column clamp mechanism comprises a wooden column clamp, the wooden column clamp is fixed on the peripheral wall of the wooden column, and the vertical column steel plate is arranged on the wooden column clamp on the inner side of the wooden column, and the hinge support is fixed by welding. Vertically connected to the steel plate, the lower end of the rigid tie rod is connected to the hinge support.


       Further, the spring base is connected to the wooden beam clamp, the wooden beam clamp is fixed on the peripheral wall of the wooden beam, the spring base is a frame type plate structure, and the bottom frame plate is closely attached to the bottom surface of the wooden beam, and the sliding support is Attached to the spring base.


      Further, a pair of parallel distributed sliding circular shafts are arranged on the spring base, and the two sliding circular shafts are respectively sleeved with a pair of slidable rings formed by slidable rings connected by a circular shaft, in a slidable circle A shape memory alloy spring is respectively connected to both ends of the ring; the upper end of the rigid tie rod is hinged with the circular shaft of the slidable ring.


      Further, the shape memory alloy springs connected at both ends of the slidable ring have four segments, which are evenly arranged on the sliding circular shaft, one end of which is connected to the steel plate at the end of the spring base, and the other end is connected to the sliding ring.


      Further, the two ends of the rigid tie rod are respectively provided with a double connecting ring, the double connecting ring at one end of the rigid tie rod holds the hinge ring on the hinge support, and the other end is connected to the two slidable rings on the slidable support Between the round axes.


      Further, the wood column clamp and the wooden beam clamp are each formed by a frame plate connected to a rectangular plate, and the connection ends are connected by bolt connection or card slot.




      The utility model has the advantages and advantages that the utility model increases the rigidity of the node after reinforcement, and the shape memory alloy spring directly receives the internal force; the large amount of seismic energy can be dissipated, and the damper exerts energy consumption. The self-reset of the shape memory alloy spring has no residual characteristics after deformation, and the sheared load capacity and bending capacity of the wooden structure are improved after the reinforcement, and can be recovered after the earthquake without residual deformation. The improved seismic performance optimizes the seismic performance of the entire structure.




      The utility model has good durability, corrosion resistance and fatigue resistance. The clamp is used to connect the damper to the wooden structure, without using wooden nails or wood screws, and does not cause any damage to the original structure, and the repairing and strengthening principle of repairing the old and maintaining the original structure is achieved.


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