CN208748889U - Frictional energy consumption tension and compression damper - Google Patents

Abstract

The utility model provides a kind of frictional energy consumption tension and compression damper, belongs to building construction vibration control field.Including upper plate, lower plate, upper plate screw hole, lower plate screw hole, outer arcuate Wasted-energy steel plate, locking nut, connecting shaft, coordinate connection reinforcing bar, friction energy-dissipating block and foamed aluminium Energy dissipating material.Beneficial effect and advantage are that initial stiffness is larger, material yield diffusional area is big, recoverable deformation is big, damping capacity is strong, the outer arcuate Wasted-energy steel plate of setting can not only be consumed energy by the bending deformation of itself and be consumed energy when relative displacement occurs with foamed aluminium Energy dissipating material mutual extrusion, it can be mutually coordinated, without obvious stress concentration phenomenon, the fabrication and installation of frictional energy consumption tension and compression damper are simple simultaneously, it is easy to use, it can be used in the Aseismic Design of new building engineering, it can be used for the reinforcing maintenance of existing engineering, the overall stiffness of building structure is capable of increasing when using in normal state, in the event of an earthquake, the earthquake response of building structure can be reduced.

Description

Frictional energy consumption tension and compression damper

Technical field

The utility model belongs to building construction vibration control field, more particularly to a kind of frictional energy consumption tension and compression damping Device.

Background technique

Metallic damper (metallic yielding damper) is made of mild steel or other softer metals At various forms of damping energy dissipation devices.There is good Hysteresis Behavior after metal yield, moulded using the bullet that certain metals have Property hysteresis deformation energy consumption, including mild steel damper, lead damper and marmem (shape memory alloys, letter Claim SMA) damper etc..The mechanism that it carries out vibration control to structure is the surrender that the portion of energy of structural vibration is passed through metal Hysteretic energy dissipates, to achieve the purpose that reduce structural response, mild steel damper is that mild steel is made full use of to enter plasticity rank There is good hysteretic characteristic after section.1972, the American scholars such as Kelly and Skinner were first begin to research and utilization mild steel This performance carry out the dynamic response of control structure, and propose several forms of mild steel damper, including torsion beam, bent beam, U Shape energy consumer etc..Then, other scholars again propose the different mild steel damper of many forms in succession, wherein than it is more typical such as X shape, triangular plate mild steel damper, E shape steel damper, C-type steel damper etc..By the theory point of many scholars at home and abroad Analysis and experimental study, it was demonstrated that mild steel damper has stable hysteretic characteristic, good low cycle fatigue property, long-term reliability The features such as not influenced by environment, temperature, be a kind of up-and-coming energy consumer, and all metal damper has recoverable deformation Greatly, damping capacity is strong and durability, corrosion resistance, anti-fatigue performance are good, operating temperature range is big low with maintenance cost etc. excellent Point.

Utility model content

In order to solve above-mentioned technical problem, the utility model provides a kind of frictional energy consumption tension and compression damper, if The outer arcuate Wasted-energy steel plate set can not only be consumed energy by the bending deformation of itself, and be consumed when generation relative displacement with foamed aluminium Energy material mutual extrusion energy consumption, is capable of increasing the overall stiffness of building structure when using in normal state, in the event of an earthquake, The earthquake response of building structure can be reduced.

To achieve the goals above, the technical solution adopted in the utility model are as follows:

A kind of frictional energy consumption tension and compression damper, including the energy consumption of upper plate, lower plate, upper plate screw hole, lower plate screw hole, outer arcuate Steel plate, connecting shaft, coordinates connection reinforcing bar, friction energy-dissipating block and foamed aluminium Energy dissipating material at locking nut；

The structure of frictional energy consumption tension and compression damper is surrounded by upper plate, lower plate and outer arcuate Wasted-energy steel plate, what is surrounded Connecting shaft and friction energy-dissipating block is respectively set in the upper and lower symmetric position of inside configuration；One end of the connecting shaft is connected with upper plate, lower plate respectively It is fixed, and it is provided with coordination connection reinforcing bar, coordinate midpoint and upper plate, lower plate that connection reinforcing bar passes through outer arcuate Wasted-energy steel plate The center of the inner space of the structure surrounded with outer arcuate Wasted-energy steel plate, and both ends are locked using locking nut, are increased It cooperates with energy dissipation capacity；Foamed aluminium Energy dissipating material is set in the cavity that upper plate, lower plate and outer arcuate Wasted-energy steel plate surround, The top of structure is provided with upper plate, and the bottom of structure is provided with lower plate, equidistantly opens up upper plate spiral shell in the outer ring of upper plate Hole equidistantly opens up lower plate screw hole in the outer ring of lower plate.

Further, the outer arcuate Wasted-energy steel plate is made using low yield point steel plate.

Further, the foamed aluminium Energy dissipating material is made using foamed aluminium.

Further, the upper plate, lower plate are respectively with outer arcuate Wasted-energy steel plate using welded connecting.

The beneficial effects of the utility model and advantage are that initial stiffness is larger, and material yield diffusional area is big, can restore to become Shape is big, damping capacity is strong, and the outer arcuate Wasted-energy steel plate of setting can not only be consumed energy by the bending deformation of itself, and phase occurs It consumes energy when to displacement with foamed aluminium Energy dissipating material mutual extrusion, can be mutually coordinated, without obvious stress concentration phenomenon, play respective Maximum effect, stock utilization is high, and connecting shaft drives friction energy-dissipating block and the mutual friction energy-dissipating of foamed aluminium Energy dissipating material, makes It consumes energy more abundant, so that the energy such as kinetic energy or the elastic potential energy of structure is converted to the forms such as thermal energy and dissipate, while frictional energy consumption The fabrication and installation of tension and compression damper are simple, easy to use, can be used in the Aseismic Design of new building engineering, can be used for There is the reinforcing of engineering to repair, the overall stiffness of building structure, in the event of an earthquake, energy are capable of increasing when using in normal state Enough reduce the earthquake response of building structure.

Detailed description of the invention

Fig. 1 is that the utility model frictionally consumes energy tension and compression damper schematic top plan view.

Fig. 2 is the A-A sectional view of Fig. 1 in the utility model.

In figure: 1 is upper plate；2 be lower plate；3 be upper plate screw hole；4 be lower plate screw hole；5 be outer arcuate Wasted-energy steel plate；6 are Locking nut；7 be connecting shaft；8 be coordination connection reinforcing bar；9 be friction energy-dissipating block；10 be foamed aluminium Energy dissipating material.

Specific embodiment

In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and embodiments It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model.

As shown in Fig. 1 ~ Fig. 2, a kind of frictional energy consumption tension and compression damper, by upper plate 1, lower plate 2 and outer arcuate energy consumption steel Plate 5 surrounds, and connecting shaft 7 and friction energy-dissipating block 9 is respectively set in the upper and lower symmetric position of inside configuration surrounded；7 one end of connecting shaft It is connected and fixed respectively with upper plate 1, lower plate 2, and is provided with coordination connection reinforcing bar 8, coordinated connection reinforcing bar 8 and consume energy across outer arcuate The center of the inner space for the structure that the midpoint and upper plate 1 of steel plate 5, lower plate 2 and outer arcuate Wasted-energy steel plate 5 surround, and two End is locked using locking nut 6, is increased it and is cooperateed with energy dissipation capacity；It is enclosed in upper plate 1, lower plate 2 and outer arcuate Wasted-energy steel plate 5 At cavity in be arranged foamed aluminium Energy dissipating material 10, the top of structure is provided with upper plate 1, is provided in the bottom of structure Lower plate 2, equidistantly opens up upper plate screw hole 3 in the outer ring of upper plate 1, equidistantly opens up lower plate screw hole 4 in the outer ring of lower plate 2；It is described Outer arcuate Wasted-energy steel plate 5 be made using low yield point steel plate；The foamed aluminium Energy dissipating material 10 uses foamed aluminium It is made；The upper plate 1, lower plate 2 are respectively with outer arcuate Wasted-energy steel plate 5 using being welded to connect.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of frictional energy consumption tension and compression damper, including it is upper plate (1), lower plate (2), upper plate screw hole (3), lower plate screw hole (4), outer Portion's arc Wasted-energy steel plate (5), connecting shaft (7), coordinates connection reinforcing bar (8), friction energy-dissipating block (9) and foamed aluminium at locking nut (6) Energy dissipating material (10), it is characterised in that: the structure of frictional energy consumption tension and compression damper is by upper plate (1), lower plate (2) and outer arcuate Wasted-energy steel plate (5) surrounds, and connecting shaft (7) and friction energy-dissipating block is respectively set in the upper and lower symmetric position of inside configuration surrounded (9)；Connecting shaft (7) one end is connected and fixed with upper plate (1), lower plate (2) respectively, and is provided with coordination connection reinforcing bar (8), coordinates to connect Connect the midpoint and upper plate (1), lower plate (2) and outer arcuate Wasted-energy steel plate of reinforcing bar (8) across outer arcuate Wasted-energy steel plate (5) (5) center of the inner space of the structure surrounded, and both ends are locked using locking nut (6)；In upper plate (1), lower plate (2) Foamed aluminium Energy dissipating material (10) are set in the cavity surrounded with outer arcuate Wasted-energy steel plate (5), are provided in the top of structure Upper plate (1), is provided with lower plate (2) in the bottom of structure, upper plate screw hole (3) is equidistantly opened up in the outer ring of upper plate (1), under The outer ring of plate (2) equidistantly opens up lower plate screw hole (4).

2. a kind of frictional energy consumption tension and compression damper according to claim 1, it is characterised in that: the outer arcuate consumption Energy steel plate (5) is made using low yield point steel plate.

3. a kind of frictional energy consumption tension and compression damper according to claim 1, it is characterised in that: the foamed aluminium energy consumption Material (10) is made using foamed aluminium.

4. a kind of frictional energy consumption tension and compression damper according to claim 1, it is characterised in that: the upper plate (1), under Plate (2) is respectively with outer arcuate Wasted-energy steel plate (5) using welded connecting.