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CN104727456A - Three-direction shock absorption mass tuning damper - Google Patents

Three-direction shock absorption mass tuning damper Download PDF

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Publication number
CN104727456A
CN104727456A CN201510120101.7A CN201510120101A CN104727456A CN 104727456 A CN104727456 A CN 104727456A CN 201510120101 A CN201510120101 A CN 201510120101A CN 104727456 A CN104727456 A CN 104727456A
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CN
China
Prior art keywords
leveling qualities
vertical
block
qualities block
horizontal
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Granted
Application number
CN201510120101.7A
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Chinese (zh)
Other versions
CN104727456B (en
Inventor
周海涛
郝晓
薛娜
张锋剑
白哲
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Nanjing High Science Shock Absorption Technology Co ltd
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Henan University of Urban Construction
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Priority to CN201510120101.7A priority Critical patent/CN104727456B/en
Publication of CN104727456A publication Critical patent/CN104727456A/en
Application granted granted Critical
Publication of CN104727456B publication Critical patent/CN104727456B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention relates to a three-direction shock absorption mass tuning damper. A steel cylinder is internally provided with a horizontal shock absorption device. The horizontal shock absorption device is connected with the inner wall of the steel cylinder through horizontal adhesion dampers and horizontal springs. The center of the horizontal shock absorption device is provided with a vertical mass block. The bottom of the vertical mass block is connected with a base through a vertical adhesion damper and vertical springs. An oriented rotating shaft support is arranged between the base and the vertical adhesion damper. The oriented rotating shaft support is connected with the vertical adhesion damper through an oriented rotating shaft. The composite type mass tuning damper capable of playing the horizontal shock absorption function and capable of playing the vertical shock absorption function is formed, the three-direction function in the transverse direction, the longitudinal direction and the vertical direction is achieved, and the three-direction shock absorption mass tuning damper has the advantages of being simple in design, easy to mount, adjustable in base frequency and mass, stable in damping effect and the like and has wider application compared with a general mass tuning damper.

Description

A kind of three-dimensional shock-absorption quality tuned damper
Technical field
The invention belongs to civil engineering structure energy-dissipating and shock-absorbing technical field, be specifically related to a kind of control vibration of building, reduce the three-dimensional shock-absorption quality tuned damper of structure structural response under wind load and seismic loading.
Background technology
Towering and the longspan structure for high level, the structure side under wind load and seismic loading is paid close attention to widely to deformation controlling problem and is paid attention to.Through putting into practice confirmation in a large number, tuned mass damper is a kind of very effective damping control device, be installed on the position that structure is suitable, and through the reasonable set of product Static stiffness, mass and damping parameter, greatly can reduce the lateral vibration displacement amplitude of structure, and correspondingly reduce the horizontal shear that structure vertical member bears.
General large-span structure, such as pedestrian overcrossing, when between building, corridor etc. control vibration, conventional scheme is, adopts vertical tuned mass damper control structure vertical motion, and the mode adopting shock isolating pedestal can join viscous damper controls extensional vibration, such practice, expense is comparatively large, design trouble, and installs complicated.And for the tall and slender structure compared with large span component, existing horizontal shock-absorbing demand, there is again vertical Local Members shock attenuation needs, adopt two cover systems then needing level of control vibration and control vertical motion during tuned mass damper damping scheme respectively, obviously increase with expense equally, the problem of design trouble and installation complexity.
In addition, for the tuned mass damper of horizontal shock-absorbing, usually not quite identical at both direction quality requirement, traditional tuned mass damper mass is constant at X and Y-direction, cannot adjust, and there is the space of improving.
Therefore, it is simple, easy to operate to produce a kind of structure, work and operational efficiency high, damping energy consumption effect is good, and processing is installed simply, and accessory is simple and reliable, strong adaptability, and the three-dimensional shock-absorption quality tuned damper of long service life, has wide market prospects.
Summary of the invention
For the deficiencies in the prior art, the invention provides that structure is simple, easy to operate, work and operational efficiency is high, damping energy consumption effect is good, processing install simple, accessory is simple and reliable, the three-dimensional shock-absorption quality tuned damper of strong adaptability, long service life.
Technical scheme of the present invention is achieved in that a kind of three-dimensional shock-absorption quality tuned damper, comprise base, be fixedly mounted on the steel cylinder on base, be arranged on the shrouding at steel cylinder top, horizontal damping device is provided with in described steel cylinder, this horizontal damping device is connected with the inwall of steel cylinder with horizontal spring by horizontal viscous damper, the centre of this horizontal damping device is provided with vertical mass, the bottom of vertical mass is connected with base with uprighting spring by vertical viscous damper, directional-rotation shaft stool is provided with between base with vertical viscous damper, directional-rotation shaft stool is connected with vertical viscous damper by directional-rotation axle.
Described horizontal damping device comprises the first leveling qualities block, second leveling qualities block, 3rd leveling qualities block and the 4th leveling qualities block, four leveling qualities blocks are all connected with the inwall of steel cylinder with horizontal spring by horizontal viscous damper, four lateral surfaces of described vertical mass and the both sides of the first leveling qualities block and the second leveling qualities block are all installed with vertical connection block, vertical connection block offers vertical slotted hole, rolling bearing is movably installed with in vertical slotted hole, the two ends of rolling bearing are installed with connecting bushing, four lateral surfaces of vertical mass by connecting bushing respectively with the first leveling qualities block, second leveling qualities block, the inner side of the 3rd leveling qualities block and the 4th leveling qualities block is flexibly connected, the both sides of the first leveling qualities block and the second leveling qualities block are all flexibly connected by the inner side of connecting bushing with the 3rd leveling qualities block and the 4th leveling qualities block.
The shape in described steel cylinder cross section be rectangle, square or or circular, vertical mass is arranged on the center of steel cylinder, and the height of vertical mass is not less than 1/2nd of horizontal damping device height.
Deep floor is provided with between described base and the inwall of steel cylinder and outer wall.
The bottom of the first described leveling qualities block, the second leveling qualities block, the 3rd leveling qualities block and the 4th leveling qualities block is provided with universal wheel.
Described horizontal viscous damper is four, between the outer side center position that four horizontal viscous dampers are separately positioned on the first leveling qualities block, the second leveling qualities block, the 3rd leveling qualities block and the 4th leveling qualities block and the inwall of steel cylinder.
The first described leveling qualities block, the second leveling qualities block, the 3rd leveling qualities block and between the 4th leveling qualities block and the inwall of steel cylinder, be provided with four articles of horizontal springs of equal distribution.
The internal diameter of described vertical slotted hole is not less than the external diameter of rolling bearing, and the length of described rolling bearing is not less than the width of vertical connection block.
The present invention has following good effect: first, structure of the present invention is simple, easy to operate, in use, in the steel cylinder closed, multiple mass is installed in a symmetrical, the mode adopting slotted hole connector to join rolling bearing between each mass connects, each mass is connected with casing with spring with viscous damper respectively simultaneously, thus formation one both can play horizontal shock-absorbing effect, the compound tuned mass damper of vertical cushioning effect can be played again, the snubber block quality in all directions of this damper, rigidity, damper freely can adjust configuration as required, and overall volume is little, laterally, longitudinally, the effect of vertical direction three-dimensional, for object of construction production, cost, simplicity of design and install simple and easy, but it is adjustable to have fundamental frequency, quality is adjustable, the advantages such as damping is stable, than run-of-the-mill tuned damper, there is applicability widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is one of internal construction schematic diagram of the present invention.
Fig. 4 is figure internal construction schematic diagram two of the present invention.
Fig. 5 is the structural representation of connecting bushing of the present invention.
Fig. 6 is the structural representation of vertical connection block of the present invention.
Detailed description of the invention
As Fig. 1, 2, 3, 4, 5, shown in 6, a kind of three-dimensional shock-absorption quality tuned damper, comprise base 1, be fixedly mounted on the steel cylinder 2 on base 1, be arranged on the shrouding 3 at steel cylinder 2 top, horizontal damping device is provided with in described steel cylinder 1, this horizontal damping device is connected with the inwall of horizontal spring 17 with steel cylinder 1 by horizontal viscous damper 16, the centre of this horizontal damping device is provided with vertical mass 5, the bottom of vertical mass 5 is connected with base 1 with uprighting spring 6 by vertical viscous damper 7, directional-rotation shaft stool 8 is provided with between base 1 with vertical viscous damper 7, directional-rotation shaft stool 8 is connected with vertical viscous damper 7 by directional-rotation axle 9.
Described horizontal damping device comprises the first leveling qualities block 12, second leveling qualities block 13, 3rd leveling qualities block 14 and the 4th leveling qualities block 15, four leveling qualities blocks are all connected with the inwall of horizontal spring 17 with steel cylinder 1 by horizontal viscous damper 16, four lateral surfaces of described vertical mass 5 and the both sides of the first leveling qualities block 12 and the second leveling qualities block 13 are all installed with vertical connection block 19, vertical connection block 19 offers vertical slotted hole 20, rolling bearing 21 is movably installed with in vertical slotted hole 20, the two ends of rolling bearing 21 are installed with connecting bushing 10, four lateral surfaces of vertical mass 5 by connecting bushing 10 respectively with the first leveling qualities block 12, second leveling qualities block 13, the inner side of the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 is flexibly connected, the both sides of the first leveling qualities block 12 and the second leveling qualities block 13 are all flexibly connected by the inner side of connecting bushing 10 with the 3rd leveling qualities block 14 and the 4th leveling qualities block 15.The shape in described steel cylinder 2 cross section be rectangle, square or or circular, vertical mass 5 is arranged on the center of steel cylinder 2, and the height of vertical mass 5 is not less than 1/2nd of horizontal damping device height.Deep floor 4 is provided with between described base 1 and the inwall of steel cylinder 2 and outer wall.
The bottom of described the first leveling qualities block 12, second leveling qualities block 13, the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 is provided with universal wheel 18.Described horizontal viscous damper 16 is four, between the outer side center position that four horizontal viscous dampers 16 are separately positioned on the first leveling qualities block 12, second leveling qualities block 13, the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 and the inwall of steel cylinder 1.The first described leveling qualities block 12, second leveling qualities block 13, the 3rd leveling qualities block 14 and between the 4th leveling qualities block 15 and the inwall of steel cylinder 1, be provided with four articles of horizontal springs 17 of equal distribution.The internal diameter of described vertical slotted hole 20 is not less than the external diameter of rolling bearing 21, and the length of described rolling bearing 21 is not less than the width of vertical connection block 19.
The present invention is when concrete operations, and this three-dimensional shock-absorption quality tuned damper is made up of three subsystems be placed in steel cylinder.Vertical mass 5 and with bottom steel cylinder between the vertical viscous damper 7 that is connected and uprighting spring 6 form a vertical shock mitigation system; 3rd leveling qualities block 14 forms an X to horizontal shock-absorbing system with the 4th leveling qualities block 15 and with the horizontal viscous damper 16 be connected between steel cylinder sidewall and horizontal spring 17, and the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 are placed in bottom steel cylinder by universal wheel 18; First leveling qualities block 12 forms a Y-direction horizontal shock-absorbing system with the second leveling qualities block 13 and with the horizontal viscous damper 16 be connected between steel cylinder sidewall and horizontal spring 17, and the first leveling qualities block 12 and the second leveling qualities block 13 are placed in bottom steel cylinder by universal wheel 18.
Damping shock absorption is realized by the contact method between each element, and the mode adopting slotted hole to join rolling bearing between vertical mass 5 with other each quality is connected, four lateral surfaces of vertical mass 5 and the both sides of the first leveling qualities block 12 and the second leveling qualities block 13 are all installed with vertical connection block 19, vertical connection block 19 offers vertical slotted hole 20, rolling bearing 21 is movably installed with in vertical slotted hole 20, the two ends of rolling bearing 21 are installed with connecting bushing 10, four lateral surfaces of vertical mass 5 by connecting bushing 10 respectively with the first leveling qualities block 12, second leveling qualities block 13, the inner side of the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 is flexibly connected, the both sides of the first leveling qualities block 12 and the second leveling qualities block 13 are all flexibly connected by the inner side of connecting bushing 10 with the 3rd leveling qualities block 14 and the 4th leveling qualities block 15.The mode that first leveling qualities block 12, second leveling qualities block 13, the 3rd leveling qualities block 14 also adopt above-mentioned slotted hole to join rolling bearing with the 4th leveling qualities block 15 is connected.
When vertical mass 5 is vertically subjected to displacement vibration, adjacent with it the first leveling qualities block 12, second leveling qualities block 13, the 3rd leveling qualities block 14 and the 4th leveling qualities block 15 are not moved, and namely vertical damping subsystem mass only comprises vertical mass 5.
When there is X to horizontal vibration, 3rd leveling qualities block 14 and the 4th leveling qualities block 15 drive vertical mass 5 and the first leveling qualities block 12 and the second leveling qualities block 13 X to occur to displacement, and the mass that namely X plays qualitative character to damping subsystem includes mass the 3rd leveling qualities block 14, the 4th leveling qualities block 15, vertical mass 5, first leveling qualities block 12 and the second leveling qualities block 13.Internal diameter due to vertical slotted hole 20 is not less than the external diameter of rolling bearing 21, the length of rolling bearing 21 is not less than the width of vertical connection block 19, when there is X to horizontal vibration, five masses interact and participate in motion, and rolling bearing 21 can make vertical mass 5 participate in X to horizontal vibration according to the gap of himself length.
When there is Y-direction horizontal vibration, first leveling qualities block 12 and the second leveling qualities block 13 drive vertical mass 5 that Y-direction displacement vibration occurs, and the 3rd leveling qualities block 14 and the 4th leveling qualities block 15, because this connecting structure bearing length is larger, the length of rolling bearing 21 is not less than the width of vertical connection block 19, do not follow the first leveling qualities block 12 and the second leveling qualities block 13 is subjected to displacement, the mass that namely Y-direction damping subsystem plays qualitative character includes the first leveling qualities block 12 and the second leveling qualities block 13 and vertical mass 5.
Above-mentioned three kinds of mode of vibration advantages are, the mass of vertical damping can participate in horizontal shock-absorbing simultaneously, first leveling qualities block 12 of Y-direction horizontal shock-absorbing subsystem and the second leveling qualities block 13 can participate in simultaneously X to damping, and X does not participate in the damping of Y-direction to the 3rd leveling qualities block 14 of damping subsystem and the 4th leveling qualities block 15, time like this for structure two horizontal direction shock-absorption quality demands differences, can very freely carry out combining and adjusting, structure bidirectional damping demand is well met.
When demand, it plays vertical shock-absorbing function, vertical mass 5 plays a role with the vertical viscous damper 7 be vertically connected between its with steel cylinder base plate and uprighting spring 6, and vertical mass 5 is got needs 1 to 2% of damping large span component; Rigidity and viscous damper then type selecting as required; Play X to horizontal shock-absorbing function be mass the 3rd leveling qualities block 14, the 4th leveling qualities block 15, vertical mass 5, first leveling qualities block 12 and the second leveling qualities block 13 move, and jointly play a role to the horizontal viscous damper 16 be connected and horizontal spring 17 with the 4th leveling qualities block 15 horizontal X with the 3rd leveling qualities block 14, mass quality summation and spring, viscous damper parameter carries out type selecting as required; Playing Y-direction horizontal shock-absorbing function is that the first leveling qualities block 12 participates in motion with the second leveling qualities block 13 with vertical mass 5, and the horizontal viscous damper 16 to be connected with the horizontal Y-direction of the second leveling qualities block 13 with the first leveling qualities block 12 and horizontal spring 17 play a role jointly, mass quality summation and spring, viscous damper parameter carries out type selecting as required.All directions Spring Selection should be got to consistent principle with this spring system natural frequency according to respective direction structure natural frequency.
The present invention can three-dimensional damping, and three kinds of functions integrate, and decrease total cost, during three-dimensional damping, carries out the mutual combination of mass and separate, flexible, decrease volume by special connecting structure.There is good Social and economic benef@.

Claims (8)

1. a three-dimensional shock-absorption quality tuned damper, comprise base (1), be fixedly mounted on the steel cylinder (2) on base (1), be arranged on the shrouding (3) at steel cylinder (2) top, it is characterized in that: in described steel cylinder (1), be provided with horizontal damping device, this horizontal damping device is connected with the inwall of horizontal spring (17) with steel cylinder (1) by horizontal viscous damper (16), vertical mass (5) is provided with in the centre of this horizontal damping device, the bottom of vertical mass (5) is connected with base (1) with uprighting spring (6) by vertical viscous damper (7), directional-rotation shaft stool (8) is provided with between base (1) with vertical viscous damper (7), directional-rotation shaft stool (8) is connected with vertical viscous damper (7) by directional-rotation axle (9).
2. three-dimensional shock-absorption quality tuned damper according to claim 1, it is characterized in that: described horizontal damping device comprises the first leveling qualities block (12), second leveling qualities block (13), 3rd leveling qualities block (14) and the 4th leveling qualities block (15), four leveling qualities blocks are all connected with the inwall of horizontal spring (17) with steel cylinder (1) by horizontal viscous damper (16), four lateral surfaces of described vertical mass (5) and the both sides of the first leveling qualities block (12) and the second leveling qualities block (13) are all installed with vertical connection block (19), vertical connection block (19) offers vertical slotted hole (20), rolling bearing (21) is movably installed with in vertical slotted hole (20), the two ends of rolling bearing (21) are installed with connecting bushing (10), four lateral surfaces of vertical mass (5) by connecting bushing (10) respectively with the first leveling qualities block (12), second leveling qualities block (13), the inner side of the 3rd leveling qualities block (14) and the 4th leveling qualities block (15) is flexibly connected, the both sides of the first leveling qualities block (12) and the second leveling qualities block (13) are all flexibly connected by the inner side of connecting bushing (10) with the 3rd leveling qualities block (14) and the 4th leveling qualities block (15).
3. three-dimensional shock-absorption quality tuned damper according to claim 1, it is characterized in that: the shape in described steel cylinder (2) cross section be rectangle, square or or circular, vertical mass (5) is arranged on the center of steel cylinder (2), and the height of vertical mass (5) is not less than 1/2nd of horizontal damping device height.
4. three-dimensional shock-absorption quality tuned damper according to claim 1, is characterized in that: be provided with deep floor (4) between described base (1) and the inwall of steel cylinder (2) and outer wall.
5. three-dimensional shock-absorption quality tuned damper according to claim 2, is characterized in that: the bottom of the first described leveling qualities block (12), the second leveling qualities block (13), the 3rd leveling qualities block (14) and the 4th leveling qualities block (15) is provided with universal wheel (18).
6. three-dimensional shock-absorption quality tuned damper according to claim 2, it is characterized in that: described horizontal viscous damper (16) is four, between the outer side center position that four horizontal viscous dampers (16) are separately positioned on the first leveling qualities block (12), the second leveling qualities block (13), the 3rd leveling qualities block (14) and the 4th leveling qualities block (15) and the inwall of steel cylinder (1).
7. three-dimensional shock-absorption quality tuned damper according to claim 2, is characterized in that: the first described leveling qualities block (12), the second leveling qualities block (13), the 3rd leveling qualities block (14) and be provided with four articles of horizontal springs (17) of equal distribution between the 4th leveling qualities block (15) and the inwall of steel cylinder (1).
8. three-dimensional shock-absorption quality tuned damper according to claim 2, it is characterized in that: the internal diameter of described vertical slotted hole (20) is not less than the external diameter of rolling bearing (21), the length of described rolling bearing (21) is not less than the width of vertical connection block (19).
CN201510120101.7A 2015-03-19 2015-03-19 A kind of three-dimensional shock-absorption quality tuned damper Expired - Fee Related CN104727456B (en)

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CN105887661A (en) * 2016-05-20 2016-08-24 河海大学 Frequency-adjustable eddy current tuned mass damper capable of being serially assembled
CN106012816A (en) * 2016-06-17 2016-10-12 张献斌 Overall bridge reinforcing device with damping supports
CN106760847A (en) * 2016-12-20 2017-05-31 上海史狄尔建筑减震科技有限公司 Full assembled tuned mass damper, TMD
CN108316505A (en) * 2018-04-03 2018-07-24 上海建顾减震科技有限公司 A kind of rolling type universal type horizontal tuned mass damper
CN108331189A (en) * 2018-01-14 2018-07-27 浙江大学 A kind of dismountable universal vibration absorber
CN108729569A (en) * 2018-06-26 2018-11-02 山东大学 A kind of multidimensional whirlpool spring and helical spring combined type tune vibration absorber
CN109611507A (en) * 2019-02-14 2019-04-12 中国石油大学(华东) A kind of multidimensional buffer damping mechanism
CN110700081A (en) * 2019-10-30 2020-01-17 吉林大学 Three-dimensional multi-dimensional tuned mass damper for damping of bridge structure and calculation method thereof
CN111502059A (en) * 2020-05-22 2020-08-07 郑州航空工业管理学院 Shock-absorbing device
CN112211468A (en) * 2020-09-29 2021-01-12 温州市滨江建设投资有限公司 Multiple harmonious mass damper

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887661A (en) * 2016-05-20 2016-08-24 河海大学 Frequency-adjustable eddy current tuned mass damper capable of being serially assembled
CN105887661B (en) * 2016-05-20 2017-05-24 河海大学 Frequency-adjustable eddy current tuned mass damper capable of being serially assembled
CN106012816A (en) * 2016-06-17 2016-10-12 张献斌 Overall bridge reinforcing device with damping supports
CN106760847A (en) * 2016-12-20 2017-05-31 上海史狄尔建筑减震科技有限公司 Full assembled tuned mass damper, TMD
CN108331189A (en) * 2018-01-14 2018-07-27 浙江大学 A kind of dismountable universal vibration absorber
CN108316505A (en) * 2018-04-03 2018-07-24 上海建顾减震科技有限公司 A kind of rolling type universal type horizontal tuned mass damper
CN108729569A (en) * 2018-06-26 2018-11-02 山东大学 A kind of multidimensional whirlpool spring and helical spring combined type tune vibration absorber
CN109611507A (en) * 2019-02-14 2019-04-12 中国石油大学(华东) A kind of multidimensional buffer damping mechanism
CN109611507B (en) * 2019-02-14 2020-09-25 中国石油大学(华东) Multidimensional buffering and damping mechanism
CN110700081A (en) * 2019-10-30 2020-01-17 吉林大学 Three-dimensional multi-dimensional tuned mass damper for damping of bridge structure and calculation method thereof
CN111502059A (en) * 2020-05-22 2020-08-07 郑州航空工业管理学院 Shock-absorbing device
CN112211468A (en) * 2020-09-29 2021-01-12 温州市滨江建设投资有限公司 Multiple harmonious mass damper

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