CN207620140U - A kind of PALL friction energy-dissipatings damper - Google Patents

A kind of PALL friction energy-dissipatings damper Download PDF

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Publication number
CN207620140U
CN207620140U CN201721771558.5U CN201721771558U CN207620140U CN 207620140 U CN207620140 U CN 207620140U CN 201721771558 U CN201721771558 U CN 201721771558U CN 207620140 U CN207620140 U CN 207620140U
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CN
China
Prior art keywords
rod
bending
connecting rod
friction energy
hinged
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Expired - Fee Related
Application number
CN201721771558.5U
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Chinese (zh)
Inventor
丁坤
何芝仙
沈国栋
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Anhui Polytechnic University
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Anhui Polytechnic University
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Priority to CN201721771558.5U priority Critical patent/CN207620140U/en
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Publication of CN207620140U publication Critical patent/CN207620140U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is suitable for damping anti-seismic technology field, provides a kind of PALL friction energy-dissipatings damper, including:First guide rod, and perpendicular to the second guide rod of the first guide rod setting, the displacement amplification device being set between the first guide rod and the second guide rod, including:Rod in bending a and rod in bending b and rod in bending c arranged in a crossed manner and rod in bending d arranged in a crossed manner, wherein, rod in bending a and rod in bending b is hinged in infall and connecting rod c, rod in bending c and rod in bending d is hinged in infall and connecting rod d, one end of rod in bending a and one end of rod in bending d and connecting rod b are hinged, and one end of rod in bending b and one end of rod in bending c are hinged with connecting rod a;And for connecting four friction energy-dissipating components between rod in bending.The damper generates bigger relative displacement under the conditions of building structure occurs compared with thin tail sheep between the friction energy-dissipating component of energy dissipative device, consume more energy, obtain better damping effect.

Description

A kind of PALL friction energy-dissipatings damper
Technical field
The utility model belongs to damping anti-seismic technology field, provides a kind of PALL friction energy-dissipatings damper.
Background technology
The largely effective means that energy dissipative device is structural damping antidetonation, operation principle are installed in building structure It is to select some specific position installation energy dissipative devices in structure, in structure two is utilized under earthquake or high wind load action The relative displacement that generates between point, energy caused by driving energy dissipative device consumption s tructure vibrations reach damping and absorbing Purpose can be effectively protected building structure, reduce building and destroyed caused by earthquake or high wind effect, improve making for building structure Use safety.
For friction energy-dissipating damper, the energy of consumption and the displacement occurred when damper work Closely related, the energy of the bigger damper consumption of displacement is more, though existing PALL types friction energy-dissipating damper is when in use It is so connect with 4 corner points of frame, obtains the relative displacement between two angle steel joints of structure, but building structure is in normal work Relative displacement when making between two angle steel joints is typically small, thus destroys small, the damping effect of preceding friction-type energy dissipative device energy consumption It is not very ideal.
Utility model content
The utility model embodiment provides a kind of PALL friction energy-dissipatings damper, it is intended to small by 2 points in building structure Displacement carries out displacement equations, then is transmitted to the position of friction energy-dissipating, increases the consumption of energy, improves damping effect.
The utility model is realized in this way a kind of PALL friction energy-dissipatings damper, the damper include:
First guide rod, including:One end trepanning of connecting rod a and connecting rod b, connecting rod a, one end of connecting rod b and company The opening gaps of extension bar a coordinate;
And the second guide rod perpendicular to the setting of the first guide rod, including connecting rod c and connecting rod d, the one of connecting rod c Trepanning, one end of connecting rod d is held to coordinate with the opening gaps of connecting rod c;
Displacement amplification device between the first guide rod and the second guide rod, the displacement amplification device include:
Rod in bending a and rod in bending b and rod in bending c arranged in a crossed manner and rod in bending d arranged in a crossed manner, wherein Rod in bending a and rod in bending b are hinged in infall and connecting rod c, rod in bending c and rod in bending d infall with connect Bar d is hinged, and one end of rod in bending a and one end of rod in bending d and connecting rod b are hinged, one end of rod in bending b and by curved bar One end of part c is hinged with connecting rod a;
And for connecting the rod in bending a other ends and the rod in bending b other ends, the rod in bending b other ends and by curved bar The part c other ends, the rod in bending c other ends and the rod in bending d other ends, the rod in bending d other ends and the rod in bending a other ends Four friction energy-dissipating components.
Further, the friction energy-dissipating component includes:
Outer cylinder is set to the connecting rod of one end of the separate opening of outer cylinder;
The inner cylinder in outer cylinder;
Set on the mould pipe of inner cylinder side wall;
One end is nested in the plug in inner cylinder, is interference fitted between the outer diameter and the internal diameter of mould pipe at plug nesting end, core The other end of stick and the plug of other energy consuming components or connecting rod are hinged.
Further, the PALL dampers include:
Set on connecting rod a, connecting rod b, connecting rod c and connecting rod d close to the threaded connection of one end of friction energy loss component Hole, and the bolt with threaded connection hole cooperation.
The PALL friction energy-dissipating dampers that the utility model embodiment provides can occur in building structure compared with thin tail sheep item Bigger relative displacement is generated between the friction energy-dissipating component of energy dissipative device under part, to consume more energy, is obtained Better damping effect;
In addition, can be required according to the size requirements of damper and damping come to rod in bending bar length and articulated position into Row selection, preferably meets actual demand.
Description of the drawings
Fig. 1 is the structural schematic diagram for the PALL dampers that the utility model embodiment provides;
Fig. 2 be the PALL dampers that provide of the utility model embodiment along the sectional view of A-A;
Fig. 3 is sectional view of the PALL dampers that provide of the utility model embodiment along B-B;
Fig. 4 is the PALL energy dissipative device operation principle schematic diagrams that the utility model embodiment provides;
1. connecting rod a, 2. friction energy-dissipating component a, 3. rod in bending a, 4. friction energy-dissipating component b, 5. connecting rod c, 6. by Curved bar part b, 7. friction energy-dissipating component c, 8. connecting rod b, 9. rod in bending c, 10. friction energy-dissipating component d, 11. connecting rod d, 12. Rod in bending d, 13. articulation hole bolts, 14, nut, 15. outer cylinders, 16. inner cylinders, 17. connecting rods, 18. plugs, 19. moulds Pipe.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Fig. 1 is that the structural schematic diagram for the PALL dampers that the utility model embodiment provides only is shown for convenience of description With the relevant part of the utility model embodiment.
The damper includes:
First guide rod, including:One end trepanning of connecting rod a1 and connecting rod b8, connecting rod a1, one end of connecting rod b8 Coordinate with the opening gaps of connecting rod a1, constitutes prismatic pair, play the guiding role;
And the second guide rod perpendicular to the setting of the first guide rod, including connecting rod c5 and connecting rod d11, connecting rod c5 One end trepanning, one end of connecting rod d11 and the opening gaps of connecting rod c5 coordinate, constitute prismatic pair, play the guiding role;
Displacement amplification device between the first guide rod and the second guide rod, the displacement amplification device include:
Rod in bending a3 and rod in bending b6 and rod in bending c9 arranged in a crossed manner and rod in bending d12 arranged in a crossed manner, Wherein, rod in bending a3 and rod in bending b6 is hinged in infall and connecting rod c5, and rod in bending c9 and rod in bending d12 are being handed over Hinged with connecting rod d11 at fork, one end of rod in bending a3 and one end of rod in bending d12 are hinged with connecting rod b8, by curved bar One end of part b6 and one end of rod in bending c9 and connecting rod a1 are hinged;
And for connecting the rod in bending a3 other ends and the rod in bending b6 other ends, the rod in bending b6 other ends and by curved The rod piece c9 other ends, the rod in bending c9 other ends and the rod in bending d12 other ends, the rod in bending d12 other ends and rod in bending Four friction energy-dissipatings (2,4,7,10) component of the a3 other ends, as shown in Figure 1, four friction components are respectively friction component a2, Between rod in bending d12 and rod in bending a3, friction component b4 is set between rod in bending a3 and rod in bending b6, rubs Brush assembly c7 is set between rod in bending b6 and rod in bending c9, friction component d10, is set to rod in bending 9c and rod in bending Between d12.
Fig. 2 be the PALL dampers that provide of the utility model embodiment along the sectional view of A-A, for convenience of description, only show Go out and the relevant part of the utility model embodiment.
Friction energy-dissipating component includes:
Outer cylinder 15 is set to the connecting rod 17 of one end of the separate opening of outer cylinder 15;
Inner cylinder 16 in outer cylinder;
Set on the mould pipe 19 of 16 side wall of inner cylinder;
One end is nested in the plug 18 in inner cylinder 16, interference between the outer diameter and the internal diameter of mould pipe 19 at the nested end of plug 18 Cooperation, the other end of plug 18 and the plug 18 of other energy consuming components or connecting rod 17 are hinged.
Plug 18 is tightly fastened with mould pipe 19 and joins together, and movement is constituted between the outer diameter and the internal diameter of mould pipe 19 of plug 18 Pair simultaneously uses interference fit, by the radial pressure between value of interference fit adjusting control plug 18 and mould pipe 19, to change Plug 18 and mould pipe 19 between frictional force in reciprocating motion.
In the utility model embodiment, in connecting rod a1, connecting rod b8, connecting rod c5 and connecting rod d11 close to friction One end of energy consumption component is equipped with threaded connection hole, and entire PALL dampers are fixed on building by screw.
Fig. 3 is that the PALL dampers that the utility model embodiment provides only show for convenience of description along the sectional view of B-B Go out and the relevant part of the utility model embodiment;
Above-mentioned being hinged refers to realizing being hinged for component by the cooperation of articulation hole bolts and nuts.
The energy dissipative device operation principle that the utility model embodiment provides is as shown in figure 4,4 rod in bending bars of setting are long (l+L) identical, lAB=lAD=lCB=lCD=l, lBa=lDb=lDc=lBd=L, ABCD constitute parallelogram mechanism, by several What relationship analysis can obtain:
To have:
The relative displacement Δ of 2 points of angle steel joint ACACWith 2 points of relative displacement Δs of cbcbAnd the relative displacement of 2 points of ab ΔabBetween relationship:
According to the principle of virtual work, the relationship between active force is:
FACΔAC+FDBΔDB=2FcbΔcb+2FbaΔba (4)
If taking L/l=4, α is 45.Work nearby, thenThat is shock absorber travel amplification factor 4-5 Times, 4 friction energy-dissipating damping elements are used in addition, therefore the more former PALL types friction consumption with 2 friction energy-dissipating damping elements Energy damper energy dissipation capacity improves 8-10 times.
The PALL friction energy-dissipating dampers that the utility model embodiment provides can occur in building structure compared with thin tail sheep item Bigger relative displacement is generated between the friction energy-dissipating component of energy dissipative device under part, to consume more energy, is obtained Better damping effect;
In addition, can be required according to the size requirements of damper and damping come to rod in bending bar length and articulated position into Row selection, preferably meets actual demand.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (3)

1. a kind of PALL friction energy-dissipatings damper, which is characterized in that the PALL dampers include:
First guide rod, including:One end trepanning of connecting rod a and connecting rod b, connecting rod a, one end and the connecting rod a of connecting rod b Opening gaps cooperation;
And the second guide rod perpendicular to the setting of the first guide rod, including connecting rod c and connecting rod d, one end of connecting rod c open Hole, one end of connecting rod d coordinate with the opening gaps of connecting rod c;
Displacement amplification device between the first guide rod and the second guide rod, the displacement amplification device include:
Rod in bending a and rod in bending b and rod in bending c arranged in a crossed manner and rod in bending d arranged in a crossed manner, wherein by curved Rod piece a and rod in bending b is hinged in infall and connecting rod c, and rod in bending c and rod in bending d are cut with scissors in infall and connecting rod d It connects, one end of rod in bending a and one end of rod in bending d are hinged with connecting rod b, one end of rod in bending b and rod in bending c's One end is hinged with connecting rod a;
And it is another for connecting the rod in bending a other ends and the rod in bending b other ends, the rod in bending b other ends and rod in bending c One end, four of the rod in bending c other ends and the rod in bending d other ends, the rod in bending d other ends and the rod in bending a other ends Friction energy-dissipating component.
2. PALL friction energy-dissipatings damper as described in claim 1, which is characterized in that the friction energy-dissipating component includes:
Outer cylinder is set to the connecting rod of one end of the separate opening of outer cylinder;
Set on outer cylinder inner cylinder;
Set on the mould pipe of inner cylinder side wall;
One end is nested in the plug in inner cylinder, is interference fitted between the outer diameter and the internal diameter of mould pipe at plug nesting end, plug The plug or connecting rod of the other end and other energy consuming components are hinged.
3. PALL friction energy-dissipatings damper as claimed in claim 1 or 2, which is characterized in that the PALL dampers include:
Set on connecting rod a, connecting rod b, connecting rod c and connecting rod d close to the threaded connection hole of one end of friction energy loss component, and With the bolt of threaded connection hole cooperation.
CN201721771558.5U 2017-12-18 2017-12-18 A kind of PALL friction energy-dissipatings damper Expired - Fee Related CN207620140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721771558.5U CN207620140U (en) 2017-12-18 2017-12-18 A kind of PALL friction energy-dissipatings damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721771558.5U CN207620140U (en) 2017-12-18 2017-12-18 A kind of PALL friction energy-dissipatings damper

Publications (1)

Publication Number Publication Date
CN207620140U true CN207620140U (en) 2018-07-17

Family

ID=62820858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721771558.5U Expired - Fee Related CN207620140U (en) 2017-12-18 2017-12-18 A kind of PALL friction energy-dissipatings damper

Country Status (1)

Country Link
CN (1) CN207620140U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180717

Termination date: 20181218

CF01 Termination of patent right due to non-payment of annual fee