CN206681452U - A kind of three-dimensional isolation vibration absorber - Google Patents

A kind of three-dimensional isolation vibration absorber Download PDF

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CN206681452U
CN206681452U CN201720353213.1U CN201720353213U CN206681452U CN 206681452 U CN206681452 U CN 206681452U CN 201720353213 U CN201720353213 U CN 201720353213U CN 206681452 U CN206681452 U CN 206681452U
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plate
vertical
spring group
disk spring
vibration absorber
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杨维国
安鹏
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Abstract

The utility model discloses a kind of three-dimensional isolation vibration absorber.Three-dimensional isolation vibration absorber of the present utility model by the rubber support of bottom come level of isolation to earthquake motion, the vertical vibration isolation device for passing through top isolates the vertical motion of vertical track traffic;Rubber support horizontal rigidity is small, under geological process, reduces transmission of the geological process to top building structure, so as to which level of isolation is to vibrations;Vertical vibration isolation device uses disk spring group, and vertical rigidity is small, under ground vertical motion ripple effect caused by subway circulation, prevents transmission of the vertical motion to top building structure;Deformation by disk spring group and recovery process simultaneously, reduce the vertical motion that structure is subject to, and frictional resistance consumes a part of vibrational energy again so that the stress of structure is more reasonable, the safety of protection structure, so as to isolate the vertical motion of vertical track traffic;The utility model has the characteristics that simple in construction, shock insulation damping property is stable, reliable, durable.

Description

A kind of three-dimensional isolation vibration absorber
Technical field
It the utility model is related to the building structure field in civil engineering, and in particular to a kind of three-dimensional isolation vibration absorber.
Background technology
At present, in building structure shock insulation field, study and what achievement was more is the horizontal shock insulation branch to isolation geological process Seat, including rubber support, friction pendulum support etc..For the structural vibration caused by track traffic based on vertical, there are some Person proposes vibration isolation measure and method, but the example really applied in Practical Project does not occur also.
Existing three-dimensional composite shock insulation device is more based on isolation three direction compinents, such as friction-spring three-dimensional composite shock insulation Bearing, lead core rubber support-coil spring system, lead core rubber support-hydraulic jack train, thick rubber layer three-dimensional every Shake antidumping bearing etc..Wherein, vertical earthquake isolating element uses rubber element or spring element more.
However, as the fast development of subway transport system, track traffic are also right while municipal transport task is born Adjacent Buildings, resident have an impact along the line.For can level of isolation enough reduce vertical track traffic to geological process, and can The device or technology of vibration are also to be developed, research.
Utility model content
The problem of earthquake isolating equipment can not isolate vertical track traffic vibration in the prior art for more than, the utility model is adopted The mode connected with rubber support with disk spring group, there is provided a kind of three-dimensional isolation vibration absorber, so as to solve it is existing every Shake device can not isolate the problem of vertical track traffic vibration.
Three-dimensional isolation vibration absorber of the present utility model includes:Vertical vibration isolation device, middle connecting plate and rubber support;Its In, middle connecting plate is arranged on rubber support, and vertical vibration isolation device is arranged on middle connecting plate;Vertical vibration isolation device includes Upper bracket plate, constraint steel pipe, disk spring group, antidumping pilot sleeve, limited block, spacing hole, centre pilot component, liner plate and Preformed hole;Antidumping pilot sleeve is fixed on middle connecting plate, and liner plate, which is located at, to be fixed on centre in antidumping pilot sleeve and connect On fishplate bar, the bottom of centre pilot component is fixed on the center of liner plate, antidumping pilot sleeve, liner plate and centre pilot component It is coaxial;Disk spring group is enclosed on centre pilot component by center cavity, and position restriction;Constraint steel pipe is fixed on branch The lower surface of seat board, the two is connected as an entirety, is placed in disk spring group, and disk spring group is supported as entirety Upper bracket plate and constraint steel pipe, constrain the tube wall of steel pipe between antidumping pilot sleeve and liner plate, constrain the inwall of steel pipe There is space between the external diameter of disk spring group, and had time between the outer wall of centre pilot component and the internal diameter of disk spring group Gap, ensure that butterfly spring group being capable of Free Transform under vertical load effect;The inwall for constraining steel pipe is not less than the diameter of liner plate, External diameter is not more than the internal diameter of antidumping pilot sleeve;The height of disk spring group is more than the height of centre pilot component, so as to upper There is distance between the lower surface of support plate and the top of centre pilot component, this distance is limit sliding distance, there is provided vertical to become The space of shape;Constrain steel pipe bottom and middle connecting plate upper surface between have distance, so as to constraint steel pipe bottom with A circle preformed hole is formed between middle connecting plate, the height of preformed hole is equal to limit sliding distance;Opened in antidumping pilot sleeve Provided with spacing hole, the position corresponding with spacing hole is provided with limited block on the outer wall of constraint steel pipe, and limited block stretches to anti- Topple corresponding spacing hole in pilot sleeve;The height of spacing hole is equal to limit sliding distance.
Top-out structure is connected in upper bracket plate, three-dimensional isolation vibration absorber formed together with top-out structure every Shake system.Multiple bolts hole are provided with upper bracket plate, are connected by bolt with top-out structure.
Disk spring group is combined using multiple butterfly springs, and butterfly spring uses metal spring material, as steel band, Steel plate or forging blank, truncated cone shape is processed into, centre forms center cavity, and the diameter of center cavity is the interior of disk spring group Footpath;Its material can use 60Si2MnA or 50CrVA spring steel, have that the stationary vertical load that bears is big, non-aging, maintenance workers The features such as measuring less, be good to the adaptability of environment.Divided by combination, disk spring group is divided into overlapping combination, pairing combination With three kinds of combinations of complex composition;Overlapping combination endurance large deformation is small;Pairing combination endurance small deformation is big;Complex composition It is big to withstand forces large deformation.
The thickness of liner plate is more than limit sliding distance, that is, constrains between the bottom of steel pipe and the upper surface of middle connecting plate Distance;The lateral surface of liner plate is coated with lubricating oil, and outside of the inwall of steel pipe along liner plate is constrained when occurring so as to vertical motion Face vertical sliding.
Antidumping pilot sleeve restriction constraint steel pipe is vertically moving, without toppling.Further, incline anti- Cover and multiple spacing holes being centrosymmetric are provided with guide sleeve, the limited block being arranged on constraint outer wall of steel pipe stretches to spacing Kong Zhong, so as to prevent upper bracket plate from slipping under a stretching force when vertical motion occurs, its vertical displacement is limited, ensures device Stability.The inner surface of antidumping pilot sleeve is coated with lubricating oil, so as to reduce friction, makes about when vertical motion occurs Shu Gangguan in the vertical directions can be slidably.
Centre pilot component includes guide rod and upper sealing cap;Wherein, the bottom of guide rod is fixed on liner plate, guide rod Top sets upper sealing cap, and the diameter of guide rod is less than the internal diameter of disk spring group, and the diameter of upper sealing cap is more than disk spring group Internal diameter, so as to which vertical deformation occurs within a certain height for guide rod guiding disk spring group, and upper sealing cap prevents dish Groups of springs slips during vertical deformation.
Middle connecting plate includes upper strata steel plate and lower floor's steel plate, is bolted between two-layered steel plates;Upper strata steel plate is held Connect the vertical vibration isolation device in portion, the rubber support of lower floor's steel plate connection bottom.
Rubber support includes sheet rubber, sheet metal piece, lead for retractable pencil and lower support plate;Wherein, multi-disc sheet rubber and sheet metal piece Be superimposed with each other placement, and a circular hole is opened at center, and lead for retractable pencil is fixed in lower support plate from circular hole through combining.Lower support plate Multiple bolts hole are provided with, are bolted on embedded board, are connected with substructure.
The advantages of the utility model:
Three-dimensional isolation vibration absorber of the present utility model by the rubber support of bottom come level of isolation to earthquake motion, pass through The vertical vibration isolation device on top isolates the vertical motion of vertical track traffic;Rubber support horizontal rigidity is small, under geological process, The cycle of vibration-isolating system is extended, and avoids the excellent frequency of earthquake motion, so as to reduce geological process to the biography of top building structure Pass, so as to which level of isolation is to vibrations;Vertical vibration isolation device uses disk spring group, and vertical rigidity is small, caused by subway circulation Under the vertical motion ripple effect of ground, the vertical fundamental frequency of vibration-isolating system is reduced, the excellent frequency of Subway Vibration ripple is avoided, so as to prevent Transmission of the vertical motion to top building structure;Deformation by disk spring group and recovery process simultaneously, realize elastic branch Hold, so as to which kinetic energy caused by Subway Vibration ripple is converted into potential energy, reduce the vertical motion that structure is subject to;In deformation process, Frictional resistance consumes a part of vibrational energy again so that the stress of structure is more reasonable, the safety of protection structure, perpendicular so as to isolate To the vertical motion of track traffic;The utility model has the characteristics that simple in construction, shock insulation damping property is stable, reliable, durable.
Brief description of the drawings
Fig. 1 is the encapsulation figure of one embodiment of three-dimensional isolation vibration absorber of the present utility model;
Fig. 2 is the profile of one embodiment of three-dimensional isolation vibration absorber of the present utility model;
Fig. 3 is the top view cross section after one embodiment of three-dimensional isolation vibration absorber of the present utility model is cut along spacing hole Figure;
Fig. 4 is the combination figure of the disk spring group of three-dimensional isolation vibration absorber of the present utility model, and (a) is overlapping group Close, (b) combines for pairing, and (c) is complex composition.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, the utility model is expanded on further.
As shown in figure 1, the three-dimensional isolation vibration absorber of the present embodiment includes:Vertical vibration isolation device, the and of middle connecting plate 10 Rubber support, middle connecting plate are arranged on rubber support, and vertical vibration isolation device is arranged on middle connecting plate 10.
As shown in Fig. 2 vertical vibration isolation device includes upper bracket plate 1, constraint steel pipe 2, disk spring group 3, antidumping guiding Sleeve 4, limited block 5, spacing hole 6, centre pilot component 7, liner plate 8 and preformed hole 9;Antidumping pilot sleeve 4 is fixed on centre On connecting plate 10, liner plate 8, which is located in antidumping pilot sleeve 4, to be fixed on middle connecting plate 10, the bottom of centre pilot component 7 It is fixed on the center of liner plate 8, antidumping pilot sleeve 4, liner plate 8 and centre pilot component 7 are coaxial;Disk spring group 3 passes through Center cavity is enclosed on centre pilot component 7, and position restriction;Constraint steel pipe 2 is fixed on the lower surface of upper bracket plate 1, and two Person is connected as an entirety, is placed in disk spring group 3, and disk spring group 3 supports the peace treaty of upper bracket plate 1 as entirety Shu Gangguan 2, the tube wall of steel pipe 2 is constrained between antidumping pilot sleeve 4 and liner plate 8, constrain the inwall of steel pipe 2 and dish-shaped bullet There is space between the external diameter of spring group 3, and have space between the outer wall of centre pilot component 7 and the internal diameter of disk spring group 3, protect Demonstrate,proving butterfly spring group being capable of Free Transform under vertical load effect;The inwall for constraining steel pipe 2 is not less than the diameter of liner plate 8, outside Footpath is not more than the internal diameter of antidumping pilot sleeve 4;The height of disk spring group 3 is more than the height of centre pilot component 7, so as to upper There is distance between the lower surface of support plate 1 and the top of centre pilot component 7, this distance provides vertical change for limit sliding distance The space of shape;Constraining between the bottom of steel pipe 2 and the upper surface of middle connecting plate 10 has distance, so as at the bottom of constraint steel pipe 2 A circle preformed hole 9 is formed between end and middle connecting plate 10, the height of preformed hole 9 is equal to limit sliding distance;Antidumping is oriented to Spacing hole 6 is offered in sleeve 4, the position corresponding with spacing hole 6 is provided with limited block 5 on the outer wall of constraint steel pipe 2, limits Position block 5 stretches to corresponding spacing hole 6 in antidumping pilot sleeve 4;The height of spacing hole 6 is equal to limit sliding distance.Rubber Bearing includes sheet rubber 11, sheet metal piece 12, lead for retractable pencil 13 and lower support plate 14;Wherein, multi-disc sheet rubber 11 and sheet metal piece 12 Be superimposed with each other placement, and a circular hole is opened at center, and lead for retractable pencil is fixed in lower support plate 14 from circular hole 13 through combining.Upper branch Seat board 11 and lower support plate 14 are provided with two bolts hole 15 in x and y direction.
Fig. 3 is the top plan view after spacing hole incision along Fig. 2.
As shown in figure 4, disk spring group is combined using multiple butterfly springs, section is truncated cone shape, and centre is formed Center cavity, the diameter of center cavity is the internal diameter of disk spring group.Disk spring group be divided into overlapping combination, pairing combination and It is combined in complex three kinds of combinations;Overlapping combination endurance large deformation is small, as shown in Fig. 4 (a);Pairing combination endurance small deformation Greatly, as shown in Fig. 4 (b);Complex composition endurance large deformation is big, as shown in Fig. 4 (c).Using complex composition in the present embodiment.
The three-dimensional isolation oscillation damping method of the present embodiment, comprises the following steps:
1) according to actual place condition and structure type determine rubber support horizontal rigidity and disk spring group it is vertical Rigidity, by calculating, analyzing determination sheet rubber, sheet metal piece and the size and combination of disk spring group, and check dress Whether the horizontal distortion put and vertical displacement meet the requirement of specification and relevant criterion;
2) it is processed, makes according to specification, assembling, transporting and in-site installation, in engineering ground, three-dimensional isolation vibration damping dress Put and be connected by embedded board with substructure, embedded board uses steel anchor slab, and upper bracket plate is connected with top-out structure, it is three-dimensional every Shake vibration absorber forms vibration-isolating system together with top-out structure;
3) under geological process, rubber support can occurred level deformation, overall translation only occurs for the building structure on top, On the one hand, rubber support extends the cycle of vibration-isolating system, avoids the excellent frequency of earthquake motion, reduces geological process;Separately On the one hand, by the reciprocating motion of rubber support, dissipated seismic energy, the safety of protection structure, so as to which level of isolation is to ground Vibrations;
4) when subway circulation, the peripherad soil layer of vibration wave can be produced and propagated, after being delivered to building structure bottom, passed through Disk spring group realizes elastic bearing, reduces the vertical fundamental frequency of vibration-isolating system, avoids the excellent frequency of Subway Vibration ripple, subtract Transmission of the small vertical motion to top building structure;Meanwhile in disk spring deformation process, kinetic energy caused by Subway Vibration ripple Potential energy is converted to, frictional resistance consumes a part of vibrational energy again, so as to isolate the vertical motion of vertical track traffic.
When being used in concrete engineering, design parameter (including the horizontal rigidity of size, bearing capacity, rubber support, dish-shaped bullet Vertical rigidity value of spring group etc.) to be determined on a case-by-case basis, determine and check according to calculating, analyzing.
It is finally noted that the purpose for publicizing and implementing example is that help further understands the utility model, but originally The technical staff in field is appreciated that:Do not departing from the utility model and appended spirit and scope by the claims, it is various Substitutions and modifications are all possible.Therefore, the utility model should not be limited to embodiment disclosure of that, and the utility model will The scope of protection is asked to be defined by the scope that claims define.

Claims (10)

1. a kind of three-dimensional isolation vibration absorber, it is characterised in that the three-dimensional isolation vibration absorber includes:Vertical vibration isolation device, Middle connecting plate and rubber support;Wherein, middle connecting plate is arranged on rubber support, and vertical vibration isolation device connects installed in centre On fishplate bar;Vertical vibration isolation device includes upper bracket plate, constraint steel pipe, disk spring group, antidumping pilot sleeve, limited block, limit Position hole, centre pilot component, liner plate and preformed hole;Antidumping pilot sleeve is fixed on middle connecting plate, and liner plate inclines positioned at anti- Cover in pilot sleeve and be fixed on middle connecting plate, the bottom of centre pilot component is fixed on the center of liner plate, and antidumping is led It is coaxial to sleeve, liner plate and centre pilot component;Disk spring group is enclosed on centre pilot component by center cavity, and position Put restriction;Constraint steel pipe is fixed on the lower surface of upper bracket plate, and the two is connected as an entirety, is placed in disk spring group, Disk spring group supports is located at antidumping pilot sleeve as the upper bracket plate and constraint steel pipe, the tube wall for constraining steel pipe of entirety Between liner plate, constraining has space between the inwall of steel pipe and the external diameter of disk spring group, and the outer wall of centre pilot component There is space between the internal diameter of disk spring group, ensure that butterfly spring group being capable of Free Transform under vertical load effect;Constraint The inwall of steel pipe is not less than the diameter of liner plate, and external diameter is not more than the internal diameter of antidumping pilot sleeve;The height of disk spring group is big In the height of centre pilot component, so as to have distance between the lower surface of upper bracket plate and the top of centre pilot component, this away from From for limit sliding distance, there is provided the space of vertical deformation;Constrain has between the bottom of steel pipe and the upper surface of middle connecting plate Distance, so as to form a circle preformed hole between the bottom of constraint steel pipe and middle connecting plate, the height of preformed hole is equal to the limit Sliding distance;Spacing hole is offered in antidumping pilot sleeve, the position corresponding with spacing hole on the outer wall of constraint steel pipe Limited block is provided with, limited block stretches to corresponding spacing hole in antidumping pilot sleeve;The height of spacing hole is slided equal to the limit Dynamic distance.
2. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that the disk spring group uses multiple butterflies Together, butterfly spring uses metal spring material to spring assembly, is processed into truncated cone shape;Divided by combination, disk spring Component is overlapping combination, three kinds of combinations of pairing combination and complex composition.
3. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that the thickness of the liner plate slides more than the limit Distance;The lateral surface of liner plate is coated with lubricating oil.
4. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that be provided with the antidumping guide sleeve Multiple spacing holes being centrosymmetric;The inner surface of antidumping pilot sleeve is coated with lubricating oil.
5. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that the centre pilot component includes guide rod With upper sealing cap;Wherein, the bottom of the guide rod is fixed on liner plate, and the top of the guide rod sets upper sealing cap, guide rod Diameter be less than the internal diameter of disk spring group, the diameter of upper sealing cap is more than the internal diameter of disk spring group.
6. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that multiple spiral shells are provided with the upper bracket plate Keyhole, it is connected by bolt with top-out structure.
7. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that the middle connecting plate includes upper strata steel plate With lower floor's steel plate, it is bolted between two-layered steel plates;Upper strata steel plate accepts the vertical vibration isolation device on top, and lower floor's steel plate connects Connect the rubber support of bottom.
8. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that the rubber support includes sheet rubber, thin Sheet steel, lead for retractable pencil and lower support plate;Wherein, multi-disc sheet rubber and sheet metal piece are superimposed with each other placement, and a circular hole, lead for retractable pencil are opened in center From circular hole through combining, it is fixed in lower support plate.
9. three-dimensional isolation vibration absorber as claimed in claim 8, it is characterised in that the lower support plate is provided with multiple bolts Hole, it is bolted on embedded board, is connected with substructure.
10. three-dimensional isolation vibration absorber as claimed in claim 1, it is characterised in that be provided with the upper bracket plate multiple Bolt hole, it is connected by bolt with top-out structure.
CN201720353213.1U 2017-04-06 2017-04-06 A kind of three-dimensional isolation vibration absorber Active CN206681452U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356300A (en) * 2018-11-28 2019-02-19 苏州海德新材料科技股份有限公司 A kind of vertical vibration isolation support for building
CN110700430A (en) * 2019-09-24 2020-01-17 深圳市建筑设计研究总院有限公司 Three-dimensional shock isolation device and building
CN114482406A (en) * 2022-02-28 2022-05-13 东南大学 Vibration isolation column suitable for subway station
CN117966923A (en) * 2024-04-01 2024-05-03 正民建设集团有限公司 Building structure design shock insulation fire prevention device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109356300A (en) * 2018-11-28 2019-02-19 苏州海德新材料科技股份有限公司 A kind of vertical vibration isolation support for building
CN110700430A (en) * 2019-09-24 2020-01-17 深圳市建筑设计研究总院有限公司 Three-dimensional shock isolation device and building
CN114482406A (en) * 2022-02-28 2022-05-13 东南大学 Vibration isolation column suitable for subway station
CN117966923A (en) * 2024-04-01 2024-05-03 正民建设集团有限公司 Building structure design shock insulation fire prevention device
CN117966923B (en) * 2024-04-01 2024-06-07 正民建设集团有限公司 Building structure design shock insulation fire prevention device

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