CN207620140U - A kind of PALL friction energy-dissipatings damper - Google Patents
A kind of PALL friction energy-dissipatings damper Download PDFInfo
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- 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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- Prior art keywords
- rod
- bending
- connecting rod
- friction energy
- hinged
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- 238000005452 bending Methods 0.000 claims abstract description 82
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 241000145637 Lepturus Species 0.000 abstract description 3
- 241000283898 Ovis Species 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000001503 Joints Anatomy 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 108020001143 ABCD Proteins 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
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.
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) |
-
2017
- 2017-12-18 CN CN201721771558.5U patent/CN207620140U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20181218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |