CN207829572U - A kind of worm drive formula friction energy-dissipating damper - Google Patents
A kind of worm drive formula friction energy-dissipating damper Download PDFInfo
- Publication number
- CN207829572U CN207829572U CN201721808166.1U CN201721808166U CN207829572U CN 207829572 U CN207829572 U CN 207829572U CN 201721808166 U CN201721808166 U CN 201721808166U CN 207829572 U CN207829572 U CN 207829572U
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- China
- Prior art keywords
- damper
- drive link
- end cover
- rack
- rotating nuts
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model is suitable for cushion technique field, provide a kind of worm drive formula friction energy-dissipating damper, the damper is by first end cover, the rack for constituting damper is bolted into second end cover and partition board, two spin nuts are installed on drive link, two rotating nuts carry out axially position by thrust bearing respectively, it cannot be moved axially so that two rotating nuts can only rotate, friction plate is installed in two rotating nuts, when drive link axially moves relative to rack under external force, two rotating nuts are pushed to rotate, so that in rotating nuts friction plate friction pressure-bearing gasket and consume energy, smaller relative linear displacement between in building structure 2 points is changed into the bigger relative angular displacement between damper friction pair, the energy that damper consumes is set to increase, improve damping effect.
Description
Technical field
The utility model belongs to anti-seismic technology field, provides a kind of worm drive formula friction energy-dissipating damper.
Background technology
The largely effective means that energy dissipative device is structural damping antidetonation are installed in building structure.Its operation principle
It is that some specific position installation energy dissipative devices are selected in structure, using structure in earthquake or high wind load action lower structure
The relative displacement generated between upper 2 points, the generated energy of driving energy dissipative device consumption s tructure vibrations, reaches damping and suction
The purpose shaken can be effectively protected building structure, reduce building and destroyed caused by earthquake or high wind effect, improve building structure
Safety in utilization.
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, but building structure is opposite between 2 points in normal work
Displacement is typically small, thus destroys small, the damping effect unobvious of preceding friction-type energy dissipative device energy consumption.
Utility model content
The utility model embodiment provides a kind of worm drive formula friction energy-dissipating damper, it is intended to pass through screw-drive mechanism
By the smaller relative linear displacement between in building structure 2 points be changed into damper friction it is secondary between it is bigger opposite
Angular displacement makes the energy that damper consumes increase, improves damping effect.
The utility model is realized in this way a kind of worm drive formula friction energy-dissipating damper, the damper include：
Rack, including：The first end cover and second end cover that port is oppositely arranged, and it is set to first end cover port and second end
Partition board between lid port, first end cover port, second end cover port and partition board are fixedly connected, first end cover far from port one
It holds outwardly convex to form accommodating chamber, through-hole is equipped on second end cover and partition board；
Drive link, drive link sequentially passes through second end cover and the through-hole of partition board is inserted into accommodating chamber, and and second end
Lid through-hole, bulkhead through-hole and accommodating chamber are slidably connected；
Driven type friction energy-dissipating component is set in rack, including：Rotary drive component and friction energy-dissipating component, wherein rotation
Turning transmission component includes：Two rotating nuts are individually fixed in the both sides of partition board, madial wall and equal drive link through drive link
The lateral wall of part is threadedly coupled, and lateral wall is slidably connected with rack madial wall；
Friction energy-dissipating component includes：Two friction plates are individually fixed in side of two rotating nuts close to rack both ends；Two hold
Pressure pad piece is respectively arranged between rack end face and two friction plates, and be in contact with friction plate.
Further, drive link is by drive link and the branch sleeve equipped with pin hole forms, and branch sleeve is set in biography
It in lever, and is fixedly connected with drive link by connecting pin, drive link is threaded drive screw.
Further, driven type friction energy-dissipating component includes：
Thrust bearing is set between two rotating nuts and partition board and between two rotating nuts and rack end face.
Further, it is respectively equipped between two rotating nuts and partition board and between two rotating nuts and rack end face
At least two thrust bearings.
Further, two rotating nuts are a left-handed turn nut and a dextrorotation turn nut.
Further, pressure-bearing gasket passes sequentially through butterfly spring, T-type supporting rack and screw and is fixed, T-type supporting rack
It is connect with pressure-bearing septum screw across butterfly spring, screw is connect with supporting rack screw top.
Further, damper further includes：Two connecting rods, a connecting rod are set to drive link close to the one of second end cover
End, and is fixedly connected with drive link, and another connecting rod is set to the bottom end of accommodating chamber extending direction, the central axes of two connecting rods with
The central axes of drive link are on the same line.
The worm drive formula friction energy-dissipating damper that the utility model embodiment provides has the advantages that：
1. the smaller relative linear displacement between in building structure 2 points is changed into secondary (the i.e. friction plate of damper friction
And pressure-bearing gasket) between bigger relative angular displacement, make damper consume energy increase, improve damping effect；
2. driving the structure design of left-handed nut and the friction energy-dissipating damper of right-handed nut by drive screw so that subtract
Double moments of couple that shake device is acted on during the work time on screw rod offset each other, and the input and output component of damper is not made by torque
With.
Description of the drawings
Fig. 1 is the sectional view for the worm drive formula friction energy-dissipating damper that the utility model embodiment provides；
1. first end cover, 2. drive links, 3. screws, 4. supporting members, 5. disk springs, 6. bolts, 7. nuts 8. second
End cap, 9. branch sleeves, 10. connecting pins, 11. pressure-bearing gaskets, 12. friction plates, 13. first spin nuts, 14. partition boards, 15. second
Spin nut, 16. thrust bearings, 17. supporting rods.
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 the sectional view for the worm drive formula friction energy-dissipating damper that the utility model embodiment provides, for the ease of
Illustrate, only shows and the relevant part of the utility model embodiment.
The damper includes：
Rack, including：The first end cover 1 and second end cover 8 that port is oppositely arranged, and set on 1 port of first end cover and the
Partition board 14 between two end caps, 8 port, 1 port of first end cover, 8 port of second end cover and partition board 8 are fixedly connected, and such as pass through bolt
6 are fixedly connected with the cooperation of nut 7, and one end outwardly convex of the first end cover 1 far from port forms accommodating chamber, second end cover 8 and every
It is equipped with through-hole on plate 14；
Drive link, the through-hole that drive link sequentially passes through second end cover 8 and partition board 14 are inserted into accommodating chamber, and with second
8 through-hole of end cap, 14 through-hole of partition board and accommodating chamber are slidably connected；
Driven type friction energy-dissipating component is set in rack, including：Rotary drive component and friction energy-dissipating component, wherein
Rotary drive component, including：Two rotating nuts, i.e. the first rotating nuts 13 and the second rotating nuts 15, run through
Drive link is individually fixed in the both sides of partition board 14, two rotating nuts (13；15) lateral wall of madial wall and equal drive link
It is threadedly coupled, two rotating nuts (13；15) lateral wall is slidably connected with rack madial wall；
Friction energy-dissipating component, including：Two friction plates 12 are individually fixed in two rotating nuts (13；15) close to rack both ends
Side；Two pressure-bearing gaskets 11 are respectively arranged between rack end face and two friction plates 12, and be in contact with friction plate 12；
In the utility model embodiment, drive link includes：Drive link 2 and branch sleeve 9 equipped with pin hole, connection
Sleeve 9 is set on drive link 2, and is fixedly connected with drive link 2, and either, drive link is threaded drive screw；
In the utility model embodiment, driven type friction energy-dissipating component further includes：
Thrust bearing 16 is set to two rotating nuts (13；15) between partition board 14 and two rotating nuts (13；15) with
Between rack end face, as the other embodiment of the utility model, in two rotating nuts (13；15) between partition board 14 and
Two rotating nuts (13；15) at least two thrust bearings 16 are respectively equipped between rack end face so that two walk around nut (13；
15) can only rotate cannot move axially.
It is mutual in order to make damper act on double moments of couple on screw rod during the work time in the utility model embodiment
It offsets so that the input and output component of damper is not acted on totally by torque, above-mentioned two rotating nuts (13；15) it is respectively
One left-handed turn nut and a dextrorotation turn nut.
In the utility model embodiment, pressure-bearing gasket 11 pass sequentially through butterfly spring 5, T-type supporting rack 4 and screw 3 into
Row is fixed, and T-type supporting rack 4 is threadedly coupled across butterfly spring 4 with pressure-bearing gasket 11, and screw 3 connects with 4, supporting rack top screw thread
It connects, screw 3 pushes T-type supporting member axis 4 to movement, so as to adjust the normal pressure between friction plate 12 and pressure-bearing gasket 11, i.e.,
The size of frictional force.
In the utility model embodiment, damper further includes：
Two connecting rods 17, a connecting rod 17 are fixed set on drive link close to one end of second end cover 8, and with drive link
Connection, another connecting rod are set to the bottom end of accommodating chamber extending direction, and the central axes of two connecting rods and the central axes of drive link exist
On same straight line, which is used to damper being fixed on building.
An entirety is bolted into first end cover 1, second end cover 8 and partition board 14, constitutes the rack of damper,
Two spin nuts (13 are installed on drive link；15), two rotating nuts (13；15) it is axial fixed to be carried out respectively by thrust bearing 16
Position so that two rotating nuts (13；15) can only rotate cannot move axially, two rotating nuts (13；15) friction plate is installed on
12, when drive link axially moves relative to rack under external force, push two rotating nuts (13；15) it rotates, from
And make the friction pressure-bearing gasket 11 equipped with friction plate 12 and consume energy, by the smaller phase between in building structure 2 points
Bigger relative angular displacement between damper friction secondary (i.e. friction plate 12 and pressure-bearing gasket 11) is changed into displacement of the lines, is made
The energy of damper consumption increases, and improves damping effect.
The quantitative relationship of its course of work is as follows：
Between damper is connected to 2 points of building structure, due to structural vibration so that generating relative displacement between 2 points,
Damper is acted on by axial tension or pressure, and left-handed nut is left-handed, right-handed nut's dextrorotation, the friction plate production being mounted on nut
Raw relative displacement, consumes energy.The axial displacement of damper and nut cornerBetween relationship be
T is the helical pitch of screw flight in formula.
According to the conservation of energy, the work(W of damper consumed is the frictional work W consumed equal to screw pair1Disappear with friction plate
The frictional work W of consumption2The sum of.The frictional work W of screw pair consumption1It can be expressed as
α is the lead angle of spiral, ρ in formulavFor the equivalent friction angle of screw pair, FaFor the axial force of damper, η is spiral
Secondary transmission efficiencyOn the other hand, the energy W of four friction plates consumption2It is represented by
F is the coefficient of sliding friction of friction plate in formula, and F is the positive pressing force of friction plate, and R is friction plate center of arc half
Diameter.
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 (7)
1. a kind of worm drive formula friction energy-dissipating damper, which is characterized in that the damper includes：
Rack, including：The first end cover and second end cover that port is oppositely arranged, and it is set to first end cover port and second end cover end
Partition board between mouthful, first end cover port, second end cover port and partition board be fixedly connected, the one end of first end cover far from port to
Outer lug forms accommodating chamber, and through-hole is equipped on second end cover and partition board；
Drive link, drive link sequentially passes through second end cover and the through-hole of partition board is inserted into accommodating chamber, and logical with second end cover
Hole, bulkhead through-hole and accommodating chamber are slidably connected；
Driven type friction energy-dissipating component is set in rack, including：Rotary drive component and friction energy-dissipating component, wherein rotation passes
Dynamic component includes：Two rotating nuts, are individually fixed in the both sides of partition board through drive link, madial wall with drive link
Lateral wall is threadedly coupled, and lateral wall is slidably connected with rack madial wall；
Friction energy-dissipating component includes：Two friction plates are individually fixed in side of two rotating nuts close to rack both ends；Two pressure-bearing pads
Piece is respectively arranged between rack end face and two friction plates, and be in contact with friction plate.
2. worm drive formula friction energy-dissipating damper as described in claim 1, which is characterized in that drive link by drive link,
And the branch sleeve composition equipped with pin hole, branch sleeve is set on drive link, and is fixedly connected with drive link, drive link
For with right-and-left threaded drive screw.
3. worm drive formula friction energy-dissipating damper as claimed in claim 1 or 2, which is characterized in that driven type friction energy-dissipating
Component includes：
Thrust bearing is set between two rotating nuts and partition board and between two rotating nuts and rack end face.
4. worm drive formula friction energy-dissipating damper as claimed in claim 3, which is characterized in that in two rotating nuts and partition board
Between and be respectively equipped between two rotating nuts and rack end face at least two thrust bearings.
5. worm drive formula friction energy-dissipating damper as claimed in claim 1 or 2, which is characterized in that two rotating nuts are one
A left-handed turn nut and a dextrorotation turn nut.
6. worm drive formula friction energy-dissipating damper as described in claim 1, which is characterized in that pressure-bearing gasket passes sequentially through butterfly
Shape spring, T-type supporting rack and screw are fixed, and T-type supporting rack is connect across butterfly spring with pressure-bearing septum screw, screw
It is connect with supporting rack screw top.
7. worm drive formula friction energy-dissipating damper as described in claim 1, which is characterized in that damper includes：
Two connecting rods, a connecting rod is fixedly connected set on drive link close to one end of second end cover, and with drive link, another
Connecting rod is set to the bottom end of accommodating chamber extending direction, and the central axes of two connecting rods and the central axes of drive link are in same straight line
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808166.1U CN207829572U (en) | 2017-12-18 | 2017-12-18 | A kind of worm drive formula friction energy-dissipating damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808166.1U CN207829572U (en) | 2017-12-18 | 2017-12-18 | A kind of worm drive formula friction energy-dissipating damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829572U true CN207829572U (en) | 2018-09-07 |
Family
ID=63388629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721808166.1U Expired - Fee Related CN207829572U (en) | 2017-12-18 | 2017-12-18 | A kind of worm drive formula friction energy-dissipating damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207829572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893565A (en) * | 2017-12-18 | 2018-04-10 | 安徽工程大学 | Worm drive formula friction energy-dissipating damper |
| CN109296245A (en) * | 2018-10-11 | 2019-02-01 | 筑梦高科建筑有限公司 | A kind of friction pendulum sliding architectural vibration-insulation system |
-
2017
- 2017-12-18 CN CN201721808166.1U patent/CN207829572U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893565A (en) * | 2017-12-18 | 2018-04-10 | 安徽工程大学 | Worm drive formula friction energy-dissipating damper |
| CN109296245A (en) * | 2018-10-11 | 2019-02-01 | 筑梦高科建筑有限公司 | A kind of friction pendulum sliding architectural vibration-insulation system |
| CN109296245B (en) * | 2018-10-11 | 2020-07-28 | 广东博智林机器人有限公司 | Building shock insulation system that slides is put to friction pendulum |
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Legal Events
| 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: 20180907 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |