CN105202107A - Vibration isolation and absorption platform adopting weave prestressed cables and construction method of platform - Google Patents
Vibration isolation and absorption platform adopting weave prestressed cables and construction method of platform Download PDFInfo
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- CN105202107A CN105202107A CN201510703663.4A CN201510703663A CN105202107A CN 105202107 A CN105202107 A CN 105202107A CN 201510703663 A CN201510703663 A CN 201510703663A CN 105202107 A CN105202107 A CN 105202107A
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Abstract
The invention provides a vibration isolation and absorption platform adopting weave prestressed cables and a construction method of the platform. The vibration isolation and absorption platform comprises a base, a suspension frame, core mass cylinder slings, an adjustable mass cylindrical core mass cylinder and mesh weave prestressed cables, wherein the suspension frame is fixed above the base, the core mass cylinder slings are fixed on the suspension frame, the adjustable mass cylindrical core mass cylinder is hanged by the core mass cylinder slings and arranged in a cylindrical space in the base, and the mesh weave prestressed cables are fixed on the inner wall of the base and formed by a plurality of prestressed cables and form a surrounding shape to the adjustable mass cylindrical core mass cylinder; the platform is mainly used for isolating horizontal impact, passive control and resisting and reducing horizontal vibration amplitude, and the vibration absorption effect is realized; the platform has the advantages that the structure is simple, materials are convenient to take, construction is convenient, and the performance is excellent; the stress system of the vibration isolation and absorption platform of the weave prestressed cables is reasonable, the reliability and safety problems of a conventional vibration isolation and absorption platform are solved, and the scheme of the vibration isolation and absorption platform is advanced in technique and convenient to implement.
Description
Technical field
The invention belongs to structural engineering and mechanical engineering technical field, be specifically related to a kind of the earthquake isolation platform and the method for construction thereof that adopt braiding prestressed cable.
Background technique
The damping etc. but precision instrument and equipment, high-grade scientific experimentation room, super high rise structure shake, all higher performance requirement is proposed to earthquake isolation platform, at structural engineering and mechanical engineering field, all to look for performance more outstanding, cost performance earthquake isolation platform advantageously.
The earthquake isolation platform adopting the mechanism such as spring-damper, sliding friction to be formed all has emerged in multitude and has been widely applied, but the earthquake isolation platform adopting braiding prestressed cable to realize has more advantage in some environments, the earthquake isolation platform of the employing braiding prestressed cable that the present invention proposes is the newcomer in earthquake isolation family, there is good Economy and convenience for construction, can be generalized to every field.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of the earthquake isolation platform and the method for construction thereof that adopt braiding prestressed cable, simple structure of the present invention, construction is flexible, facility of drawing materials, and practical reliable, economic performance is given prominence to.
For reaching above object, the present invention adopts following technological scheme:
A kind of earthquake isolation platform adopting braiding prestressed cable, the described earthquake isolation platform 1 of braiding prestressed cable that adopts comprises pedestal 6, be fixed on the hanging frame 5 above pedestal 6, be fixed on the core mass cylinder hoist cable 4 on hanging frame 5, adopt core mass cylinder hoist cable 4 hang up and be placed in the mass-adjustable cylindrical core quality cylinder 2 in the cylindrical space of pedestal 6 inside, described mass-adjustable cylindrical core quality cylinder 2 can in the horizontal direction to all directions free translation; Also comprise netted braiding prestressed cable 3, described netted braiding prestressed cable 3 is formed by the many prestressed cables be fixed on pedestal 6 inwall, netted braiding prestressed cable 3 pairs of mass-adjustable cylindrical core quality cylinders 2 define surround shape go along with sb. to guard him that mass-adjustable cylindrical core quality cylinder 2 is retrained and fixed; The horizontal force pass through mechanism that described netted braiding prestressed cable 3 is formed, for building the horizontal power transmission pattern of zero initial stiffness, under the feature of zero initial stiffness, along with the relative displacement of mass-adjustable cylindrical core quality cylinder 2 increases, the cylindrical space of pedestal 6 inside holds the horizontal relative motions of the mass-adjustable cylindrical core quality cylinder 2 because of horizontal impact, vibrations initiation, constitute the relative movement mechanism extruding netted braiding prestressed cable 3, effectively by the interaction transmission that Horizontal displacement causes, power transmission mechanism can be formed.
Each root in described netted braiding prestressed cable 3 and mass-adjustable cylindrical core quality cylinder 2 tangent.
Described mass-adjustable cylindrical core quality cylinder 2 forms the mountion plate of sensitive instrument and equipment, or for resisting the mass block of horizontal vibration; Adopt steel, concreting integrally, or inside arranges cavity, and to form the adjustable large rigidity of quality by priming petock mode overall.
The method of construction of the earthquake isolation platform of employing braiding prestressed cable described above, can produce or processing as molding product, also can according to design working drawing built on-site, but its production method or method of construction are common, it is characterized in that, concrete steps are as follows:
Step 1: make mass-adjustable cylindrical core quality cylinder 2, its production method is prefabricated in the factory usually or the making of all round victory shuttering supporting is carried out at scene or lifting after making;
Step 2: make hanging frame 5, install with the lifting of core mass cylinder hoist cable 4 or shuttering supporting dismounting installation mass-adjustable cylindrical core quality cylinder 2, the requirement on being connected of core mass cylinder hoist cable 4 and mass-adjustable cylindrical core quality cylinder 2 is very strict, and it is perfectly safe to accomplish;
Step 3: make pedestal 6 and uniform netted braiding prestressed cable 3 installed by wall within it, netted braiding prestressed cable 3 being should be noted that to effective applying of inner pretensioning.
The method of construction of described netted braiding prestressed cable 3, concrete steps are as follows:
Step 1: take the on-the-spot dead hang position according to mass-adjustable cylindrical core quality cylinder 2 to be that the mode of reference is constructed; Pedestal 6 carries out design reinforcement and construction according to specification, the pre-buried anchoring piece can fixing netted braiding prestressed cable 3 simultaneously, in reality, netted braiding prestressed cable 3 has default diameter, many prestressed cables can not strictly be distributed in same plane, should regulating measures be taked, netted braiding prestressed cable 3 can be formed mass-adjustable cylindrical core quality cylinder 2 effectively and go along with sb. to guard him;
Step 2: the construction completing a prestressed cable on the anchoring piece of pre-buried good pedestal 6; Prestressed cable and mass-adjustable cylindrical core quality cylinder 2 tangent or form nature and surround;
Step 3: repeat the construction that step 2 completes all prestressed cables, finally form netted braiding prestressed cable 3.
Compared to the prior art comparatively, the present invention possesses following advantage:
(1) by adopting the earthquake isolation platform of braiding prestressed cable to provide a kind of new earthquake isolation platform technology scheme and method of construction thereof.Adopt the earthquake isolation platform of braiding prestressed cable to have employed braiding prestressed cable and ensure that the initial zero stiffness of going along with sb. to guard him, particularly in the horizontal direction, zero initial stiffness has very important effect for shock isolation, shock insulation; The suspention of mass-adjustable cylindrical core quality cylinder is got up by core mass cylinder hoist cable, thus mass-adjustable cylindrical core quality cylinder can be moved freely in the horizontal direction in certain limit, for the mechanical property of design and utilization braiding prestressed cable provides possibility.
(2) weave prestressed cable and effectively can form horizontal power transmission mechanism, thus the suppression that can realize ground or structural vibration by mass-adjustable cylindrical core quality cylinder, play the effect pressing down shake.
(3) by the space of building between mass-adjustable cylindrical core quality cylinder and pedestal, be to hold the basis that braiding prestressed cable plays effect.
(4) for isolation and the damping of vertical motion, mass-adjustable cylindrical core quality cylinder is adopted to suspend and be achieved in conjunction with the mode that upper and lower surface zero stiffness rope is gone along with sb. to guard him.
(5) adopt the convenience of drawing materials of the earthquake isolation platform of braiding prestressed cable, simple structure, the mode of production can adopt factory to customize processing, or processes as required at the construction field (site), and very flexibly, financial cost is cheap.
(6) difficulty of construction of the present invention is low, and operation is less.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of earthquake isolation platform of the present invention.
Fig. 2 is the worm's eye view of earthquake isolation platform of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of earthquake isolation platform adopting braiding prestressed cable of the present invention is the first earthquake isolation platform adopting braiding prestressed cable to form zero stiffness encirclement.The described earthquake isolation platform 1 of braiding prestressed cable that adopts comprises pedestal 6, be fixed on the hanging frame 5 above pedestal 6, be fixed on the core mass cylinder hoist cable 4 on hanging frame 5, adopt core mass cylinder hoist cable 4 hang up and be placed in the mass-adjustable cylindrical core quality cylinder 2 in the cylindrical space of pedestal 6 inside, described mass-adjustable cylindrical core quality cylinder 2 can in the horizontal direction to all directions free translation; Also comprise netted braiding prestressed cable 3, described netted braiding prestressed cable 3 is formed by the many prestressed cables be fixed on pedestal 6 inwall, netted braiding prestressed cable 3 pairs of mass-adjustable cylindrical core quality cylinders 2 define surround shape go along with sb. to guard him that mass-adjustable cylindrical core quality cylinder 2 is retrained and fixed; The horizontal force pass through mechanism that described netted braiding prestressed cable 3 is formed, for building the horizontal power transmission pattern of zero initial stiffness, under the feature of zero initial stiffness, along with the relative displacement of mass-adjustable cylindrical core quality cylinder 2 increases, the cylindrical space of pedestal 6 inside holds the horizontal relative motions of the mass-adjustable cylindrical core quality cylinder 2 because of horizontal impact, vibrations initiation, constitute the relative movement mechanism extruding netted braiding prestressed cable 3, effectively by the interaction transmission that Horizontal displacement causes, power transmission mechanism can be formed.
As the preferred embodiment of the present invention, each root in described netted braiding prestressed cable 3 and mass-adjustable cylindrical core quality cylinder 2 tangent.
As the preferred embodiment of the present invention, described mass-adjustable cylindrical core quality cylinder 2 forms the mountion plate of sensitive instrument and equipment, or for resisting the mass block of horizontal vibration; Adopt steel, concreting integrally, or inside arranges cavity, and to form the adjustable large rigidity of quality by priming petock mode overall.
The present invention adopts the method for construction of the earthquake isolation platform of braiding prestressed cable, can produce or processing as molding product, also can according to design working drawing built on-site, but its production method or method of construction are common, it is characterized in that, concrete steps are as follows:
Step 1: make mass-adjustable cylindrical core quality cylinder 2, this part forms the mountion plate of sensitive instrument and equipment usually, or for resisting the mass block of horizontal vibration, therefore steel, concreting can be adopted integrally, also inner can arrange cavity and form the adjustable large rigidity entirety of quality by modes such as priming petocks, production method can be prefabricated in the factory usually or the making of all round victory shuttering supporting is carried out at scene or lifting after making;
Step 2: make hanging frame 5, install with the lifting of core mass cylinder hoist cable 4 or shuttering supporting dismounting installation mass-adjustable cylindrical core quality cylinder 2, the requirement on being connected of core mass cylinder hoist cable 4 and mass-adjustable cylindrical core quality cylinder 2 is very strict, and it is perfectly safe to accomplish;
Step 3: make pedestal 6 and uniform netted braiding prestressed cable 3 installed by wall within it, netted braiding prestressed cable 3 being should be noted that to effective applying of inner pretensioning.
The method of construction of described netted braiding prestressed cable 3, concrete steps are as follows:
Step 1: take the on-the-spot dead hang position according to mass-adjustable cylindrical core quality cylinder 2 to be that the mode of reference is constructed; Pedestal 6 carries out design reinforcement and construction according to specification, the pre-buried anchoring piece can fixing netted braiding prestressed cable 3 simultaneously, in reality, netted braiding prestressed cable 3 has default diameter, many prestressed cables can not strictly be distributed in same plane, should regulating measures be taked, netted braiding prestressed cable 3 can be formed mass-adjustable cylindrical core quality cylinder 2 effectively and go along with sb. to guard him;
Step 2: the construction completing a prestressed cable on the anchoring piece of pre-buried good pedestal 6; Prestressed cable and mass-adjustable cylindrical core quality cylinder 2 tangent or form nature and surround;
Step 3: repeat the construction that step 2 completes all prestressed cables, finally form netted braiding prestressed cable 3.
The invention discloses a kind of earthquake isolation platform adopting braiding prestressed cable, and according to its feature called after typhoon eye earthquake isolation platform, and disclose the method for construction building and use the typhoon eye earthquake isolation platform adopting braiding prestressed cable.The earthquake isolation platform of employing braiding prestressed cable is the newcomer in earthquake isolation device extended familys, be made up of mass-adjustable cylinder quality Core Walls Structure, pre-stretching rope net, cylindric pedestal, quality Core Walls Structure hoist cable and hanging frame etc., be mainly used in level of isolation to impact, the amplitude of Passive Control, suppression and reduction horizontal vibration, reaches the effect of earthquake isolation.The earthquake isolation platform of the braiding prestressed cable that the present invention relates to has simple structure, draw materials conveniently, with low cost, feature that is convenient, superior performance of constructing; The establishment prestressing force formed earthquake isolation platform stress system clearly reasonable, overcome reliability and the safety issue of traditional earthquake isolation platform, be a kind of advanced technology, implement earthquake isolation platform scheme easily.
Claims (5)
1. one kind adopts the earthquake isolation platform of braiding prestressed cable, it is characterized in that: the described earthquake isolation platform (1) of braiding prestressed cable that adopts comprises pedestal (6), be fixed on the hanging frame (5) of pedestal (6) top, be fixed on the core mass cylinder hoist cable (4) on hanging frame (5), adopt core mass cylinder hoist cable (4) to hang up and be placed in mass-adjustable cylindrical core quality cylinder (2) in the inner cylindrical space of pedestal (6), described mass-adjustable cylindrical core quality cylinder (2) can in the horizontal direction to all directions free translation, also comprise netted braiding prestressed cable (3), described netted braiding prestressed cable (3) is formed by the many prestressed cables be fixed on pedestal (6) inwall, netted braiding prestressed cable (3) to mass-adjustable cylindrical core quality cylinder (2) define surround shape go along with sb. to guard him that mass-adjustable cylindrical core quality cylinder (2) is retrained and fixed, the horizontal force pass through mechanism that described netted braiding prestressed cable (3) is formed, for building the horizontal power transmission pattern of zero initial stiffness, under the feature of zero initial stiffness, along with the relative displacement of mass-adjustable cylindrical core quality cylinder (2) increases, the cylindrical space of pedestal (6) inside holds because of horizontal impact, the horizontal relative motions of mass-adjustable cylindrical core quality cylinder (2) that vibrations cause, constitute the relative movement mechanism extruding netted braiding prestressed cable (3), can effectively by the interaction transmission of Horizontal displacement initiation, formation power transmission mechanism.
2. according to claim 1 a kind of adopt braiding prestressed cable earthquake isolation platform, it is characterized in that: each root in described netted braiding prestressed cable (3) and mass-adjustable cylindrical core quality cylinder (2) tangent.
3. a kind of earthquake isolation platform adopting braiding prestressed cable according to claim 1, it is characterized in that: described mass-adjustable cylindrical core quality cylinder (2) forms the mountion plate of sensitive instrument and equipment, or for resisting the mass block of horizontal vibration; Adopt steel, concreting integrally, or inside arranges cavity, and to form the adjustable large rigidity of quality by priming petock mode overall.
4. the method for construction of the earthquake isolation platform of the employing braiding prestressed cable in claims 1 to 3 described in any one, it is characterized in that: can produce or processing as molding product, also can according to design working drawing built on-site, but its production method or method of construction are common, it is characterized in that, concrete steps are as follows:
Step 1: make mass-adjustable cylindrical core quality cylinder (2), its production method is prefabricated in the factory usually or the making of all round victory shuttering supporting is carried out at scene or lifting after making;
Step 2: make hanging frame (5), install or shuttering supporting dismounting installation mass-adjustable cylindrical core quality cylinder (2) with core mass cylinder hoist cable (4) lifting, the requirement on being connected of core mass cylinder hoist cable (4) and mass-adjustable cylindrical core quality cylinder (2) is very strict, and it is perfectly safe to accomplish;
Step 3: make pedestal (6) and uniform netted braiding prestressed cable (3) installed by wall within it, netted braiding prestressed cable (3) being should be noted that to effective applying of inner pretensioning.
5. method of construction according to claim 3, is characterized in that: the method for construction of described netted braiding prestressed cable (3), and concrete steps are as follows:
Step 1: take the on-the-spot dead hang position according to mass-adjustable cylindrical core quality cylinder (2) to be that the mode of reference is constructed; Pedestal (6) carries out design reinforcement and construction according to specification, the pre-buried anchoring piece can fixing netted braiding prestressed cable (3) simultaneously, in reality, netted braiding prestressed cable (3) has default diameter, many prestressed cables can not strictly be distributed in same plane, should regulating measures be taked, netted braiding prestressed cable (3) can be formed mass-adjustable cylindrical core quality cylinder (2) effectively and go along with sb. to guard him;
Step 2: the construction completing a prestressed cable on the anchoring piece of pre-buried good pedestal (6); Prestressed cable and mass-adjustable cylindrical core quality cylinder (2) tangent or form nature and surround;
Step 3: repeat the construction that step 2 completes all prestressed cables, finally form netted braiding prestressed cable (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703663.4A CN105202107B (en) | 2015-10-26 | 2015-10-26 | Using the earthquake isolation platform and its construction method of braiding prestressed cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510703663.4A CN105202107B (en) | 2015-10-26 | 2015-10-26 | Using the earthquake isolation platform and its construction method of braiding prestressed cable |
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| CN105202107A true CN105202107A (en) | 2015-12-30 |
| CN105202107B CN105202107B (en) | 2017-06-16 |
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| CN201510703663.4A Expired - Fee Related CN105202107B (en) | 2015-10-26 | 2015-10-26 | Using the earthquake isolation platform and its construction method of braiding prestressed cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152260A (en) * | 2021-05-18 | 2021-07-23 | 大连理工大学 | Spring-flexible mesh cloth tuning device for inhibiting vortex-induced vibration of bridge |
| CN113431335A (en) * | 2021-08-03 | 2021-09-24 | 万莹 | A ground treatment facility for interior decoration |
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| CN85104304A (en) * | 1985-06-05 | 1986-12-03 | 新西兰发展财务公司 | Friction energy absorption plant and energy-absorbing method |
| DE4103961A1 (en) * | 1991-02-09 | 1992-08-13 | Licentia Gmbh | Device to limit imbalance deviations - in oscillating container systems in household washing machines, to limit mechanical damage when electronic imbalance control fails |
| DE102004020605A1 (en) * | 2004-04-27 | 2005-11-24 | Erwin W. Kötter Consulting Engineers e.K. | Vibration absorbing or compensating device, designed as housing accommodating mass element attached to helical springs |
| CN102661055A (en) * | 2012-03-12 | 2012-09-12 | 河海大学 | Reinforcing device for reinforced concrete column using prestressing cable, and application method thereof |
| CN102979181A (en) * | 2012-12-21 | 2013-03-20 | 徐州工程学院 | Intelligent shock isolation and absorption nickel-titanium alloy supporting seat for large-span spatial structure (net rack) |
| CN103132628A (en) * | 2013-03-13 | 2013-06-05 | 上海材料研究所 | Pendulum eddy current tuning mass damper device |
| CN103306531A (en) * | 2013-07-09 | 2013-09-18 | 东北石油大学 | Reticulated shell-annular truss frame-irregular-shaped combination column combined support spherical tank system capable of slightly moving |
| CN205118110U (en) * | 2015-10-26 | 2016-03-30 | 清华大学 | Prestressed cable's shock insulation shock attenuation platform is woven in adoption |
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2015
- 2015-10-26 CN CN201510703663.4A patent/CN105202107B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104304A (en) * | 1985-06-05 | 1986-12-03 | 新西兰发展财务公司 | Friction energy absorption plant and energy-absorbing method |
| DE4103961A1 (en) * | 1991-02-09 | 1992-08-13 | Licentia Gmbh | Device to limit imbalance deviations - in oscillating container systems in household washing machines, to limit mechanical damage when electronic imbalance control fails |
| DE102004020605A1 (en) * | 2004-04-27 | 2005-11-24 | Erwin W. Kötter Consulting Engineers e.K. | Vibration absorbing or compensating device, designed as housing accommodating mass element attached to helical springs |
| CN102661055A (en) * | 2012-03-12 | 2012-09-12 | 河海大学 | Reinforcing device for reinforced concrete column using prestressing cable, and application method thereof |
| CN102979181A (en) * | 2012-12-21 | 2013-03-20 | 徐州工程学院 | Intelligent shock isolation and absorption nickel-titanium alloy supporting seat for large-span spatial structure (net rack) |
| CN103132628A (en) * | 2013-03-13 | 2013-06-05 | 上海材料研究所 | Pendulum eddy current tuning mass damper device |
| CN103306531A (en) * | 2013-07-09 | 2013-09-18 | 东北石油大学 | Reticulated shell-annular truss frame-irregular-shaped combination column combined support spherical tank system capable of slightly moving |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152260A (en) * | 2021-05-18 | 2021-07-23 | 大连理工大学 | Spring-flexible mesh cloth tuning device for inhibiting vortex-induced vibration of bridge |
| CN113152260B (en) * | 2021-05-18 | 2023-02-17 | 大连理工大学 | Spring-flexible mesh cloth tuning device for inhibiting vortex-induced vibration of bridge |
| CN113431335A (en) * | 2021-08-03 | 2021-09-24 | 万莹 | A ground treatment facility for interior decoration |
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| CN105202107B (en) | 2017-06-16 |
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