CN211572814U

CN211572814U - Energy dissipation device

Info

Publication number: CN211572814U
Application number: CN201921551601.6U
Authority: CN
Inventors: 郭小康; 方刚; 陈桥生
Original assignee: Shanghai Baoye Group Corp Ltd; Shanghai Baoye Metallurgy Engineering Co Ltd
Current assignee: Shanghai Baoye Group Corp Ltd; Shanghai Baoye Metallurgy Engineering Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-09-25
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses an energy dissipater, including the extrusion rotation piece, the flexible connecting rod, friction energy dissipation piece and bottom plate, the upper portion that the extrusion rotation piece was provided with the recess that slides, it has the sliding piece to slide in the recess that slides, the sliding piece can slide along the inner wall of the recess that slides and can rotate the recess that slides when setting for the angle in the extrusion rotation piece, the sub-unit connection that the extrusion rotates has first friction otic placode and the first otic placode of surrendering, be connected with second friction otic placode and second surrender otic placode on the bottom plate, it is articulated mutually through first round pin axle between first friction otic placode and the second friction otic placode, the centre gripping has friction energy dissipation piece between first friction otic placode and the second friction otic placode, the one end of flexible connecting rod through second round pin axle with first surrender otic placode is articulated mutually, the other end is also through second round pin axle and. The utility model discloses can full play power consumption cushioning effect to the damage development degree that can the effective control consumer guarantees its power consumption shock attenuation effect.

Description

Energy dissipation device

Technical Field

The utility model relates to a building structure antidetonation disaster prevention technical field, concretely relates to energy consumer.

Background

The energy dissipater is an anti-seismic device arranged in a building structure for improving the anti-seismic performance of a building, displacement-related dampers such as a friction damper or a metal yielding damper are mostly adopted in the existing building, but the friction damper consumes energy earlier, the sliding displacement of the friction damper is generally less than 0.5mm, the metal yielding damper can dissipate energy only after yielding to play a role in shock absorption, and the yield deformation of the metal yielding damper is greater than that of the friction damper, so that the metal yielding damper cannot play a role in energy dissipation at a weak seismic level. Therefore, the existing damper cannot fully play the energy dissipation and shock absorption functions under different vibration strengths, and in addition, the existing displacement-related damper is easy to be damaged due to extreme deformation, so that the shock absorption effect is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an energy consumer can make the energy consumer according to the change of intensity of vibration and full play energy consumption shock attenuation effect to can the damage development degree of effective control energy consumer, guarantee its energy consumption shock attenuation effect.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

an energy dissipater comprises an extrusion rotating piece, a deformable connecting rod, a friction energy dissipation piece and a bottom plate, wherein the upper part of the extrusion rotating piece is provided with a sliding groove, the sliding part is connected in the sliding groove, the sliding part can slide along the inner wall of the sliding groove and can slide out of the sliding groove when the extrusion rotating part rotates to a set angle, the lower part of the extrusion rotating piece is connected with a first friction lug plate and a first yielding lug plate, the bottom plate is connected with a second friction lug plate and a second yielding lug plate, the first friction lug plate and the second friction lug plate are hinged through a first pin shaft, the friction energy dissipation piece is clamped between the first friction lug plate and the second friction lug plate, one end of the deformable connecting rod is hinged with the first yielding lug plate through a second pin shaft, and the other end of the deformable connecting rod is hinged with the second yielding lug plate through the second pin shaft.

In one embodiment, a sliding part is arranged on the sliding piece, the sliding part is trapezoidal or arc-shaped, and the shape of the sliding groove is matched with that of the trapezoidal sliding part.

In one embodiment, the sliding member includes a top plate located outside the sliding groove, and the sliding part is connected to the top plate.

In one embodiment, the deformable linkage is an arcuate metal rod.

In one embodiment, the first friction lug, the second friction lug and the friction energy dissipation piece form a friction energy dissipation part, the first yielding lug, the second yielding lug and the deformable connecting rod form a yielding energy dissipation part, and the energy dissipater comprises a plurality of yielding energy dissipation parts, and the yielding energy dissipation parts surround the friction energy dissipation part.

In one embodiment, the distance from each yielding energy dissipation part to the friction energy dissipation part is the same.

In one embodiment, the lower part of the extrusion rotating part is connected with two first friction lug plates, and the second friction lug plate is inserted between the two first friction lug plates and then hinged by the first pin shaft.

The utility model discloses following beneficial effect has: the energy dissipater of the utility model can fully exert the energy dissipation and shock absorption functions according to the change of the vibration intensity; the damage development degree of the energy dissipater is effectively controlled, the low-cycle fatigue performance of the energy dissipater is improved, and the energy dissipation capability of the energy dissipater is fully exerted.

Drawings

Fig. 1 is a front view of the energy consumer of the present invention;

FIG. 2 is a side view of the energy consumer shown in FIG. 1;

in the figure: 1. the friction energy dissipation device comprises a bottom plate, 2, friction energy dissipation pieces, 3, a deformable connecting rod, 4, an extrusion rotating piece, 41, a sliding groove, 5, a sliding piece, 51, a top plate, 52, a sliding portion, 6, a first friction lug plate, 7, a second friction lug plate, 8, a first yielding lug plate, 9, a second yielding lug plate, 10, a first pin shaft, 11, a second pin shaft 12, an elastic element, 13 and a locking nut.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1-2, the present embodiment discloses an energy dissipater, which includes an extruding and rotating member 4, a deformable connecting rod 3, a friction energy dissipation piece 2 and a bottom plate 1, wherein a sliding groove 41 is formed at an upper portion of the extruding and rotating member 4, a sliding member 5 is connected in the sliding groove 41, the sliding member 5 can slide along an inner wall of the sliding groove 41 and can slide out of the sliding groove 41 when the extruding and rotating member 4 rotates to a set angle to control damage of the energy dissipater, thereby preventing the deformable connecting rod 3 from being damaged due to the fact that the extruding and rotating member 4 exceeds a deflection limit, and preventing the energy dissipater.

The lower part of the extrusion rotating piece 4 is connected with a first friction lug plate 6 and a first yielding lug plate 8, the bottom plate 1 is connected with a second friction lug plate 7 and a second yielding lug plate 9, the first friction lug plate 6 and the second friction lug plate 7 are hinged through a first pin shaft 10, a friction energy dissipation piece 2 is clamped between the first friction lug plate 6 and the second friction lug plate 7, namely the friction energy dissipation piece 2 is clamped between the first friction lug plate 6 and the second friction lug plate 7, one end of the deformable connecting rod 3 is hinged with the first yielding lug plate 9 through a second pin shaft 11, and the other end of the deformable connecting rod is hinged with the second yielding lug plate 9 through another second pin shaft 11;

the two ends of the deformable connecting rod 3 are hinged to avoid direct welding and fixing, so that the rigid impact at the two ends of the deformable connecting rod 3 can be reduced, the direct damage or breakage caused by local rigid impact can be avoided, and the deformable connecting rod 3 can be ensured to be effectively deformed to absorb vibration energy; meanwhile, the rotating sensitivity of the extrusion rotating piece 4 is improved, so that the extrusion rotating piece 4 can deflect to a certain extent under the action of slight vibration;

when the sliding piece 5 is horizontally extruded or pushed, the extrusion rotating piece 4 is driven to rotate, so that the first friction lug plate 6 rotates relative to the second friction lug plate 7, and the first friction lug plate 6, the second friction lug plate 7 and the friction energy dissipation piece 2 are both rubbed to dissipate the energy of structural vibration; and the deformable links 3 serve to absorb a large amount of vibration energy by undergoing plastic hysteresis deformation in the event of a shock.

One end of the first pin shaft 10, which penetrates through the first friction lug plate 6 and the second friction lug plate 7, is provided with an elastic element 12 in a penetrating way and then is locked by a locking nut 13; through the setting of elastic element 12, can make and keep certain pretightning force between friction otic placode and the friction power consumption piece 2 all the time, even lock nut 13 takes place certain slip displacement, elastic element 12 also can be through taking place elastic deformation and keeping above-mentioned pretightning force to make friction power consumption piece 2 can effectively exert the friction power consumption effect.

In one embodiment, the elastic element 12 may be a disc spring, which has a large rigidity and requires a small space, and can bear a large load with a small deformation and store a large elastic potential energy with a small deformation.

It will be appreciated that the resilient member 12 may also be a cylindrical compression spring.

In one embodiment, the sliding member 5 is provided with a sliding portion 52, the sliding portion 52 is trapezoidal or arc-shaped, the shape of the sliding groove 41 is adapted to the shape of the sliding portion 52, that is, the sliding groove 41 is also trapezoidal or arc-shaped corresponding to the sliding portion 52, so that the sliding portion 52 can slide in the sliding groove 41 under the action of horizontal extrusion force or thrust force to drive the pressing and rotating member 4 to deflect, and meanwhile, the sliding member 5 can smoothly slide out of the sliding groove 41 when the pressing and rotating member 4 rotates to a set angle, thereby avoiding the deformation link 3 from being damaged due to the fact that the pressing and rotating member 4 exceeds a deflection limit to cause failure of the energy dissipater.

Further, the sliding part 52 can be an isosceles trapezoid, so as to realize bidirectional sliding and improve the anti-vibration effect thereof.

In one embodiment, the sliding member 5 includes a top plate 51 located outside the sliding groove 41, and a sliding portion 52 is connected to the top plate 51. The provision of the outer roof 51 further facilitates the provision of the point of application of the external force.

In one embodiment, the deformable connecting rod 3 is an arc-shaped metal rod, so that the plastic deformation effect is good, and larger vibration energy can be consumed.

It will be appreciated that the deformable links 3 may also be implemented as bent telescopic members or other elastic members.

The first friction lug plate 6, the second friction lug plate 7 and the friction energy dissipation piece 2 form a friction energy dissipation part, the first yielding lug plate 8, the second yielding lug plate 9 and the deformable connecting rod 3 form a yielding energy dissipation part, the friction energy dissipation part utilizes friction to achieve energy dissipation and vibration reduction, and the yielding energy dissipation part utilizes yielding deformation of the deformable connecting rod 3 to achieve energy dissipation and vibration reduction.

In one embodiment, the energy dissipater includes a plurality of yielding energy dissipation parts surrounding the outer portion of the friction energy dissipation part to enhance the energy dissipation and vibration reduction effects.

In one embodiment, the distance from each yielding energy dissipation part to the friction energy dissipation part is the same, for example, two yielding energy dissipation parts are respectively arranged on two sides of the friction energy dissipation part, and the yielding energy dissipation parts on the two sides of the friction energy dissipation part are symmetrically arranged to enhance the energy dissipation effect.

In one embodiment, the lower portion of the extrusion rotating member 4 is connected with two first friction lug plates 6, and the second friction lug plate 7 is inserted between the two first friction lug plates 6 and then hinged through a first pin shaft 10, so that the connection stability is improved, meanwhile, because the friction energy dissipation pieces 2 are clamped between the first friction lug plates 6 and the second friction lug plates 7, the friction energy dissipation pieces 2 are arranged on two sides of the second friction lug plates 7, and the friction energy dissipation effect is enhanced.

In one embodiment, the bottom plate 1, the rotatable extrusion member 4, and the top plate 51 are made of steel plates, the second friction lug 7 and the second yielding lug 9 are welded to the bottom plate 1, and the first friction lug 6 and the first yielding lug 8 are welded to the rotatable extrusion member 4.

The damping principle of the energy consumer of this embodiment is: when taking place vibrations, horizontal vibration power promotes sliding 5 and slides in the recess 41 that slides, thereby it takes place to deflect to drive extrusion rotation piece 4, thereby make friction power consumption piece 2, take place the friction between first friction otic placode 6 and the second friction otic placode 7 and dissipate the energy of structure vibration, when vibration power increases to certain extent, deformable connecting rod 3 takes place to warp and dissipates the structure vibration energy, deformable connecting rod 3 can also dissipate perpendicular vibration energy well, when extrusion rotation piece 4 deflects to the extreme angle, sliding 5 slides in the recess 41 that slides, guarantee that extrusion rotation piece 4 can not deflect excessively and cause the damage of deformable connecting rod 3, thereby the damage of effective control power consumer.

In the energy dissipater of the embodiment, the horizontal motion is converted into the deflection motion by extruding the rotating piece 4, and the rotation friction energy dissipation and the bending yield energy dissipation are combined, wherein the friction energy dissipation is performed first, and the yield deformation energy dissipation is performed later, so that the energy dissipater can fully play the energy dissipation and shock absorption functions according to the change of the vibration strength; in addition, the limitation of the maximum value of the rotation angle of the extrusion rotating part 4 is realized by controlling the horizontal sliding stroke of the sliding part 52, the maximum deformation value of the energy consumption unit is not more than a set value, so that the damage development degree of the energy consumption device is controlled, the low-cycle fatigue performance of the energy consumption device is improved, and the energy consumption capacity of the energy consumption device is fully exerted; the whole structure adopts modular assembly, and is beneficial to assembly, disassembly, maintenance and replacement.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An energy dissipater is characterized by comprising an extrusion rotating piece, a deformable connecting rod, a friction energy dissipation piece and a bottom plate, the upper part of the extrusion rotating piece is provided with a sliding groove, the sliding groove is internally connected with a sliding piece, the sliding piece can slide along the inner wall of the sliding groove and can slide out of the sliding groove when the extrusion rotating piece rotates to a set angle, the lower part of the extrusion rotating piece is connected with a first friction lug plate and a first yielding lug plate, the bottom plate is connected with a second friction lug plate and a second yielding lug plate, the first friction lug plate and the second friction lug plate are hinged through a first pin shaft, the friction energy dissipation piece is clamped between the first friction lug plate and the second friction lug plate, one end of the deformable connecting rod is hinged with the first yielding lug plate through a second pin shaft, and the other end of the deformable connecting rod is hinged with the second yielding lug plate through the second pin shaft.

2. The energy dissipater according to claim 1, wherein a sliding part is disposed on the sliding member, the sliding part is trapezoidal or arc-shaped, and the shape of the sliding groove is adapted to the shape of the sliding part.

3. The energy dissipater of claim 2, wherein said glide member comprises a top plate located outside said glide recess, said glide portion being attached to said top plate.

4. The energy dissipater of claim 1, wherein said deformable linkage is an arcuate metal rod.

5. The energy dissipater of claim 1, wherein said first friction lug, said second friction lug, and said friction dissipating plate form a friction dissipating member, said first yielding lug, said second yielding lug, and said deformable linkage form a yielding dissipating member, said energy dissipater comprising a plurality of said yielding dissipating members, said plurality of yielding dissipating members surrounding an exterior of said friction dissipating member.

6. The energy dissipater of claim 5, wherein the distance from each yielding energy dissipation component to said friction energy dissipation component is the same.

7. The energy dissipater according to claim 1, wherein two first friction lugs are connected to a lower portion of said rotary pressing member, and said second friction lug is inserted between said two first friction lugs and then hinged by said first pin.