CN213062493U

CN213062493U - Disc spring soft steel rubber composite damper with multi-stage energy consumption mechanism

Info

Publication number: CN213062493U
Application number: CN202021500167.1U
Authority: CN
Inventors: 胡张齐; 吕伟荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-27
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a civil engineering damping power consumption technical field just discloses belleville spring mild steel rubber composite damper with multistage power consumption mechanism, including center pin, belleville spring group etc. The utility model discloses a spring assembly, including center pin, rubber gasket, apron, cup, upper surface fixed plate, lower fixed plate, upper surface fixed plate, the lower fixed plate of center pin has first connecting plate, the lower surface mounting of first connecting plate has the rubber pad, the rubber gasket cover is established the outside of center pin, the lower fixed surface of rubber pad has the apron, the apron cover is established the outside of center pin, the lower fixed surface of apron has the outer sleeve, the center pin is located the inside of outer sleeve, the inside belleville spring group that is equipped with of outer sleeve, belleville spring group overlaps and establishes the outside of center pin, the upper surface of belleville spring group with the apron butt, the lower surface and the end plate butt of belleville spring group, the lower fixed surface of center pin has the.

Description

Disc spring soft steel rubber composite damper with multi-stage energy consumption mechanism

Technical Field

The utility model relates to a civil engineering damping power consumption technical field specifically is a belleville spring mild steel rubber composite damper who has multistage power consumption mechanism.

Background

The energy released by earthquake can cause damage to buildings, particularly in high-rise shear wall structures, the plastic hinge area at the bottom is seriously damaged, and the toe part of the wall is difficult to repair after the earthquake, so that the normal use is influenced. The replacement parts are arranged at the seriously damaged parts such as the wall toe, the main body part of the structure is protected by dissipating the seismic energy through the parts, and the parts are replaced in time after the earthquake, so that the structure function is recovered as soon as possible, and the repair difficulty and cost are reduced. The existing dampers are various in types, but have the problems of single energy consumption mechanism, insufficient energy consumption efficiency, high manufacturing cost or the like, and the damping force is not changed along with the increase of displacement, so that the structural rigidity, the construction cost and the protection strength on a main body part of the structure are influenced. Therefore, the high-efficiency damper with the multistage energy consumption mechanism, the low manufacturing cost and the high rigidity is placed in the recoverable functional structure with the axial plastic deformation to protect the main body structure and reduce the maintenance difficulty and the repair cost, and has important application value.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a belleville spring mild steel rubber composite damper with multistage power consumption mechanism can protect the major structure when having solved the earthquake, and the wall toe position is difficult to prosthetic problem behind the earthquake.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a disc spring soft steel rubber composite damper with a multi-stage energy dissipation mechanism comprises a central shaft, wherein a first connecting plate is fixed on the upper surface of the central shaft, a rubber pad is fixed on the lower surface of the first connecting plate, the rubber pad is sleeved on the outer side of the central shaft, a cover plate is fixed on the lower surface of the rubber pad, the cover plate is sleeved on the outer side of the central shaft, an outer sleeve is fixed on the lower surface of the cover plate, the central shaft is located inside the outer sleeve, a disc spring group is arranged inside the outer sleeve, the disc spring group is sleeved outside the central shaft, the upper surface of the disc spring group is abutted against the cover plate, the lower surface of the disc spring group is abutted against an end plate, a second connecting plate is fixed on the lower surface of the central shaft, a base is fixed on the lower surface of the, the outer edge of the upper surface of the first connecting plate is provided with a plurality of first bolt holes which are penetrated through from top to bottom, the surface of the base is provided with a plurality of second bolt holes which are penetrated through from top to bottom, and the second bolt holes are positioned on the outer side of the outer sleeve.

Preferably, the outer sleeve is made of mild steel with low yield point, the upper edge of the outer sleeve is open, the side wall of the outer sleeve is in an ellipsoid shape or a wave shape, the thickness of the lower edge of the outer sleeve is more than 2 times of the thickness of the side wall of the outer sleeve, and the product of the curve length l and the elongation xi of the side wall of the outer sleeve is more than 1/2 of the vertical length lo of the side wall and is less than lo.

Preferably, the central shaft, the first connecting plate, the second connecting plate, the base, the end plate and the cover plate are all made of steel materials with a grade of more than Q345.

Preferably, the outer sleeve and the cover plate are fixedly connected through a bolt, and the outer sleeve and the base are fixedly connected through a high-strength hexagon socket head cap screw.

Preferably, the base top is equipped with the base most advanced, the rubber layer top is equipped with rubber point, run through formula arc hole about the end plate upper surface has been seted up, the arc hole is located the outside of belleville spring group, the arc hole, the base most advanced with the rubber point end is 4, the base most advanced with the rubber point end runs through the arc hole.

(III) advantageous effects

The utility model provides a belleville spring mild steel rubber composite damper with multistage power consumption mechanism possesses following beneficial effect:

(1) the utility model discloses a set up the low yield point mild steel material of outer sleeve, draw and press to warp and have the power consumption effect.

(2) The utility model discloses a set up center pin, connecting plate, base, end plate and apron and adopt the steel preparation more than Q345 level, intensity is high not fragile.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic bottom view of the present invention;

fig. 4 is a sectional view taken along the line a-a of fig. 2 according to the present invention;

fig. 5 is a sectional view taken along line B-B of fig. 4 according to the present invention;

fig. 6 is a cross-sectional view taken along the direction C-C of fig. 4 according to the present invention;

fig. 7 is a cross-sectional view taken along line D-D of fig. 4 according to the present invention;

fig. 8 is a schematic structural view of the middle plate of the present invention;

fig. 9 is a schematic structural view of the base of the present invention;

fig. 10 is a schematic structural diagram of the middle rubber layer according to the present invention.

In the figure: 1. a central shaft; 2. a rubber pad; 3. an outer sleeve; 4. a disc spring set; 5. an end plate; 6. a second connecting plate; 7. a rubber layer; 8. a first connecting plate; 9. a base; 10. a cover plate; 11. high-strength hexagon socket bolts; 12. a bolt; 13. a first bolt hole; 14. a second bolt hole; 15. a rubber tip; 16. a base tip; 17. an arc-shaped hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a disc spring soft steel rubber composite damper with a multi-stage energy dissipation mechanism comprises a central shaft 1, wherein a first connecting plate 8 is fixed on the upper surface of the central shaft 1, a rubber pad 2 is fixed on the lower surface of the first connecting plate 8, the rubber pad 2 is sleeved on the outer side of the central shaft 1, a cover plate 10 is fixed on the lower surface of the rubber pad 2, the cover plate 10 is sleeved on the outer side of the central shaft 1, an outer sleeve 3 is fixed on the lower surface of the cover plate 10, the central shaft 1 is positioned inside the outer sleeve 3, a disc spring group 4 is arranged inside the outer sleeve 3, the disc spring group 4 is sleeved on the outer side of the central shaft 1, the upper surface of the disc spring group 4 is connected with the cover plate 10, the lower surface of the disc spring group 4 is abutted against an end plate 5, a second connecting plate 6 is fixed on the lower surface of the central shaft 1, a base 9 is fixed on the lower surface of the, the second bolt hole 14 of a plurality of run-through from top to bottom is seted up to the upper surface of base 9, and second bolt hole 14 is located the outside of outer sleeve 3, to sum up can, the utility model discloses a work flow: firstly, the damper is fixed through the first bolt hole 13 and the second bolt hole 14, and when an earthquake occurs, the friction between the discs of the disc spring set 4 and the friction between the second connecting plate 6 and the rubber layer 7 consume energy together through the shear yielding of the side wall of the outer sleeve 3; under the action of tension and compression load, the disc spring groups 4 are all subjected to compression deformation, the mutual friction energy consumption between the discs is increased along with the increase of the deformation, the thickness of the rubber layer 7 is distributed in a regular triangle, the frictional resistance and the energy consumption of the second connecting plate 6 and the rubber layer 7 are increased along with the deformation when the discs are pressed, the side wall of the outer sleeve 3 is bent and consumes energy, under the action of tension load, the disc spring groups 4 abut against the cover plate 10 to further push the side wall of the outer sleeve 3 to be stretched, before the outer sleeve 3 is bent, the side wall tension of the outer sleeve 3 is increased along with the deformation, and after the outer sleeve.

Furthermore, the outer sleeve 3 is made of mild steel with low yield point, the upper edge of the outer sleeve 3 is open, the side wall of the outer sleeve 3 is in an ellipsoid shape or a wave shape, the thickness of the lower edge of the outer sleeve 3 is more than 2 times of the thickness of the side wall of the outer sleeve 3, and the product of the curve length l and the elongation xi of the side wall of the outer sleeve 3 is more than 1/2 of the vertical length lo of the side wall but less than lo, so that the outer sleeve 3 can be yielded and consume energy when being stressed or pulled.

Furthermore, the central shaft 1, the first connecting plate 8, the second connecting plate 6, the base 9, the end plate 5 and the cover plate 10 are all made of steel materials above grade Q345, so that high-strength parts are not easy to damage.

Further, the outer sleeve 3 and the cover plate 10 are fixedly connected through a bolt 12, and the outer sleeve 3 and the base 9 are fixedly connected through a high-strength hexagon socket bolt 11, so that the connection is more stable, and the outer sleeve and the base cannot easily loosen and fall off.

Further, 9 tops of base are equipped with base most advanced 16, 7 tops of rubber layer are equipped with rubber point 15, run through type arc hole 17 from top to bottom has been seted up to end plate 5 upper surface, arc hole 17 is located the outside of belleville spring group 4, arc hole 17, base most advanced 16 and rubber point 15 are 4, base most advanced 16 and rubber point 15 run through arc hole 17, make rubber layer 7 with like this, rubber is softer, have the metal support also can protect rubber layer 7 can not be bad lightly easily.

To sum up, the utility model discloses a work flow: to sum up, the utility model discloses a work flow: firstly, the damper is fixed through the first bolt hole 13 and the second bolt hole 14, and when an earthquake occurs, the friction between the discs of the disc spring set 4 and the friction between the second connecting plate 6 and the rubber layer 7 consume energy together through the shear yielding of the side wall of the outer sleeve 3; under the action of tension and compression load, the disc spring groups 4 are all subjected to compression deformation, the mutual friction energy consumption between the discs is increased along with the increase of the deformation, the thickness of the rubber layer 7 is distributed in a regular triangle, the frictional resistance and the energy consumption of the second connecting plate 6 and the rubber layer 7 are increased along with the deformation when the discs are pressed, the side wall of the outer sleeve 3 is bent and consumes energy, under the action of tension load, the disc spring groups 4 abut against the cover plate 10 to further push the side wall of the outer sleeve 3 to be stretched, before the outer sleeve 3 is bent, the side wall tension of the outer sleeve 3 is increased along with the deformation, and after the outer sleeve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Disc spring mild steel rubber composite damper with multistage power consumption mechanism, including center pin (1), its characterized in that: the upper surface of the central shaft (1) is fixedly provided with a first connecting plate (8), the lower surface of the first connecting plate (8) is fixedly provided with a rubber pad (2), the rubber pad (2) is sleeved on the outer side of the central shaft (1), the lower surface of the rubber pad (2) is fixedly provided with a cover plate (10), the cover plate (10) is sleeved on the outer side of the central shaft (1), the lower surface of the cover plate (10) is fixedly provided with an outer sleeve (3), the central shaft (1) is positioned inside the outer sleeve (3), the inner part of the outer sleeve (3) is provided with a disc spring group (4), the disc spring group (4) is sleeved on the outer side of the central shaft (1), the upper surface of the disc spring group (4) is abutted against the cover plate (10), the lower surface of the disc spring group (4) is abutted against an end plate (5), the lower surface of the central shaft (1) is fixedly provided, the lower fixed surface of outer sleeve (3) has base (9), the inside wall of base (9) is fixed with rubber layer (7), a plurality of first bolt holes (13) of run-through from top to bottom are seted up to the outer fringe of first connecting plate (8), set up a plurality of second bolt holes (14) of the upper surface of base (9), second bolt hole (14) are located the outside of outer sleeve (3).

2. The disc spring mild steel rubber composite damper with multi-stage energy dissipation mechanism as recited in claim 1, wherein: the outer sleeve (3) is made of mild steel with low yield point, the upper edge of the outer sleeve (3) is open, the side wall of the outer sleeve (3) is in an ellipsoid shape or a wave shape, the thickness of the lower edge of the outer sleeve (3) is more than 2 times of that of the side wall of the outer sleeve (3), and the product of the curve length l and the elongation xi of the side wall of the outer sleeve (3) is more than 1/2 of the vertical length lo of the side wall but less than lo.

3. The disc spring mild steel rubber composite damper with multi-stage energy dissipation mechanism as recited in claim 1, wherein: the central shaft (1), the first connecting plate (8), the second connecting plate (6), the base (9), the end plate (5) and the cover plate (10) are all made of steel materials above Q345 level.

4. The disc spring mild steel rubber composite damper with multi-stage energy dissipation mechanism as recited in claim 1, wherein: the outer sleeve (3) and the cover plate (10) form flange connection through bolts (12), and the outer sleeve (3) and the base (9) are fixedly connected through high-strength inner hexagonal bolts (11).

5. The disc spring mild steel rubber composite damper with multi-stage energy dissipation mechanism as recited in claim 1, wherein: base (9) top is equipped with base point end (16), rubber layer (7) top is equipped with rubber point end (15), run through formula circular arc hole (17) about end plate (5) upper surface has been seted up, circular arc hole (17) are located the outside of belleville spring group (4), circular arc hole (17) base point end (16) with rubber point end (15) are 4, base point end (16) with rubber point end (15) run through circular arc hole (17).