CN207333548U - A kind of viscid fluid damper of contributing greatly - Google Patents
A kind of viscid fluid damper of contributing greatly Download PDFInfo
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- CN207333548U CN207333548U CN201721409107.7U CN201721409107U CN207333548U CN 207333548 U CN207333548 U CN 207333548U CN 201721409107 U CN201721409107 U CN 201721409107U CN 207333548 U CN207333548 U CN 207333548U
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Abstract
The utility model discloses a kind of viscid fluid damper of contributing greatly, including earrings, piston rod, master cylinder group and the secondary cylinder being coaxially disposed;Master cylinder group includes at least two master cylinders being coaxially arranged in series, and is connected between two neighboring master cylinder by jointing, damping hole is equipped with the piston in each master cylinder;Compound silicone oil is filled with each master cylinder;Secondary cylinder coaxially fixes the one end for being located at master cylinder group;Coaxially the fixed tail end for being located at secondary cylinder, another earrings are fixedly connected one earrings with piston rod, and the other end of piston rod is passed through from the axis of each master cylinder and piston successively, and is stretched into secondary cylinder;When piston rod is moved along axis, each piston can be driven to be moved along corresponding master cylinder, and by damping hole jet stream, produce viscid energy consumption.The utility model is by the way that master cylinder is connected, so that the maximum output of damper can adjust as needed, amplifies into multiple, and it is simple in structure, development cost is low.
Description
Technical field
Civil engineering structure antivibration area is the utility model is related to, particularly a kind of viscid fluid damping of contributing greatly
Device.
Background technology
In the damping of architectural engineering and shock insulation engineering, it is sometimes desirable to using the damper of larger output.In large bridge
In structure, the super large restraining force problem between bridge pier and bridge deck structure is equally run into, it is necessary to develop the viscid fluid resistance contributed greatly
Buddhist nun's device.Here mentioned big output, refers to the maximum output of damper not less than 350 tons, the same below.
Damper performance, it is affected by many factors.Dynamic sealing technology, damped fluidic technology, compound silicone oil it is glutinous
Temperature effect, heat dissipation technology etc., by the research and development in nearly more than 30 year, China has grasped less than 350 tons viscous substantially
Fluid damper production technology, performance indicator is reliable and stable, and has been applied in a large amount of engineerings.And output bigger
Viscous damper, develops difficulty bigger, and dosage is less, therefore super large-scale damper develops, and is difficult to break through always.
The test capability of testing stand equally constrains the development and exploitation for the damper contributed greatly, and according to investigations, domestic CMA recognizes
The laboratory of card, its testing stand full test ability are:350 tons, stroke 800mm, piece lengths 6m of load, maximal rate 1m/
s.These parameters are all single index theoretical maximum abilities, and practical capacity can have a greatly reduced quality, for example range 600mm, maximum go out
Power can only be 200 tons.Such testing stand disclosure satisfy that common buildings and the testing requirement of bridge damper.To some super large bridges
Girder construction, the output of damper cause damper not detected directly, some is using contracting often beyond this test capability
Ruler damper carries out indirectly testing, or is only detected according to the maximum capacity of testing stand.Properties of product reliability is difficult to visitor
See and judge.
Damper usage ratio is on the low side, and the acquisition cost of testing stand is huge due to going out greatly, and testing stand can not possibly be unlimited
How ground, timely dilatation, solve the high contradiction between power of test deficiency of detection demand, become and asked for the reality of urgent need to resolve
Topic.
Utility model content
The technical problems to be solved in the utility model be in view of the above shortcomings of the prior art, and provide it is a kind of big contribute it is glutinous
Stagnant fluid damper, the big viscid fluid damper of contributing is by the way that master cylinder is connected, so as to enable the maximum output of damper
Enough adjustment as needed, can obtain the results of property of big damper, and it is simple in structure, development cost is low.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of viscid fluid damper of contributing greatly, including earrings, piston rod, master cylinder group and the secondary cylinder being coaxially disposed.
Master cylinder group includes at least two master cylinders, and all master cylinders are coaxially arranged in series, and pass through company between two neighboring master cylinder
Connector is connected, and a piston perpendicular with piston rod is both provided with each master cylinder, resistance is both provided with each piston
Buddhist nun hole;Compound silicone oil is filled with each master cylinder.
Secondary cylinder is coaxially fixed at one end of master cylinder group.
The quantity of earrings is two, and one of earrings is coaxially fixed at the tail end of secondary cylinder, another earrings and work
One end of stopper rod is fixedly connected, and the other end of piston rod is passed through from the axis of each master cylinder and piston successively, and is stretched into secondary cylinder;
Piston rod can slide along axis, when piston rod is moved along axis, each piston can be driven to be moved along corresponding master cylinder, and pass through
Damping hole jet stream, produces viscid energy consumption.
The specifications and models all same of all master cylinders, the specifications and models of all pistons also all same.
The position of damping hole and size also all same on each piston.
The quantity of master cylinder is two, three or four.
Jointing is any one in welding, ring flange connection and screwed connection.
The utility model with the above structure, by way of by the series connection of each master cylinder more, when piston rod axis moves
When, the piston with damping hole, by damping hole fluidics, produces viscid energy consumption by under the traction of piston rod.Therefore, each
Master cylinder is exactly an energy consumer, and multiple master cylinders are connected, and is exactly the combination of multiple energy consumers.Therefore, last output is multiple
The summation that piston is contributed.The damped fluidic technology maturation for being gone out damper due to routine is stablized, and passes through the big of tandem compound and contributes
Damper, its output performance are equally mature and stable.So it can realize the damper contributed greatly by routinely contributing piston, it is real
Now using it is conventional go out damper production technology equally produce the damper contributed greatly.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of big viscid fluid damper of contributing of the utility model.
Wherein have:1st, earrings, 2, piston rod, 3, master cylinder, 4, secondary cylinder, 5, jointing.
Embodiment
The utility model is described in further detail with specific better embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of contribute greatly viscid fluid damper, including earrings 1, piston rod 2, the master cylinder being coaxially disposed
Group and secondary cylinder 4.
Master cylinder group includes at least two master cylinders 3, and the quantity of master cylinder can be three or four etc., specific to need needed for
The output situation wanted is set.
All master cylinders are coaxially arranged in series, and are connected between two neighboring master cylinder by jointing 5, in each master cylinder
A piston perpendicular with piston rod is both provided with, damping hole is both provided with each piston;It is filled with each master cylinder multiple
Close silicone oil.
Secondary cylinder is coaxially fixed at one end of master cylinder group.
The specifications and models of all master cylinders are preferably identical, the specifications and models of all pistons also all same, hindered on each piston
The position in Buddhist nun hole and size also all same.
Certainly as replacing, different size model also may be selected.Each master cylinder can be bought in market in the application, each
The maximum output of piston in master cylinder is no more than 350 tons.
The quantity of earrings is two, and one of earrings is coaxially fixed at the tail end of secondary cylinder, another earrings and work
One end of stopper rod is fixedly connected, and the other end of piston rod is passed through from the axis of each master cylinder and piston successively, and is stretched into secondary cylinder;
Piston rod can slide along axis, when piston rod is moved along axis, each piston can be driven to be moved along corresponding master cylinder, and pass through
Damping hole jet stream, produces viscid energy consumption.
Above-mentioned jointing can be any one in welding, ring flange connection and screwed connection etc..
Each master cylinder is exactly an energy consumer, each master cylinder namely a conventional damper.Multiple master cylinders are connected, are exactly
The combination of multiple energy consumers.Therefore, last output is the summation that multiple pistons are contributed.
When two groups of master cylinders are connected, the maximum output of the viscid fluid damper of contributing greatly of the utility model will be conventional resistance
Twice of Buddhist nun's device.When three groups of master cylinders are connected, the maximum output of the viscid fluid damper of contributing greatly of the utility model will be normal
Advise damper three times, and so on.
The damped fluidic technology maturation for being gone out damper due to routine is stablized, and goes out damper greatly by tandem compound,
Its output performance is equally mature and stable.It so can realize the damper contributed greatly by routinely contributing piston, realize and use
The production technology for going out damper equally produces the damper contributed greatly.
The detection method of the viscid fluid damper of master cylinder series connection, can first detect single master cylinder damper, method and will
Ask and performed according to existing inspection criterion requirement, the big viscid fluid damper of contributing of the utility model is obtained according to tandem principle
Testing index.The output of single master cylinder damper is in the test scope of testing stand, it is possible to by detecting going out for small damper
Power, is multiplied by master cylinder group number, just directly acquires the Testing index for going out damper greatly.
The utility model goes out greatly the output detection of damper, is no longer influenced by equivalent to the dilatation of testing stand weight bearing power
The limitation of testing stand ability, it may not be necessary to spend a huge sum of money to carry out reforming test platform for this.
Tested compared to reduced scale and only accomplish the test method of testing stand peak load, the utility model proposes directly test
Conventional damper, the detection method directly calculated according still further to series relationship, its detection means is more direct, and conclusion (of pressure testing) more may be used
Lean on.
The preferred embodiment of the utility model described in detail above, still, the utility model are not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the utility model, can to the technical solution of the utility model into
The a variety of equivalents of row, these equivalents belong to the scope of protection of the utility model.
Claims (5)
- The viscid fluid damper 1. one kind is contributed greatly, it is characterised in that:Including the earrings, piston rod, master cylinder group being coaxially disposed With secondary cylinder;Master cylinder group includes at least two master cylinders, and all master cylinders are coaxially arranged in series, by connecing between two neighboring master cylinder Head is connected, and a piston perpendicular with piston rod is both provided with each master cylinder, damping hole is both provided with each piston; Compound silicone oil is filled with each master cylinder;Secondary cylinder is coaxially fixed at one end of master cylinder group;The quantity of earrings is two, and one of earrings is coaxially fixed at the tail end of secondary cylinder, another earrings and piston rod One end be fixedly connected, the other end of piston rod is passed through from the axis of each master cylinder and piston successively, and is stretched into secondary cylinder;Piston Bar can slide along axis, when piston rod is moved along axis, each piston can be driven to be moved along corresponding master cylinder, and pass through damping Hole jet stream, produces viscid energy consumption.
- 2. big viscid fluid damper of contributing according to claim 1, it is characterised in that:The specifications and models of all master cylinders are equal It is identical, the specifications and models of all pistons also all same.
- 3. big viscid fluid damper of contributing according to claim 2, it is characterised in that:The position of damping hole on each piston Put and size also all same.
- 4. big viscid fluid damper of contributing according to claim 1, it is characterised in that:The quantity of master cylinder for two, three It is a or four.
- 5. big viscid fluid damper of contributing according to claim 1, it is characterised in that:Jointing is welding, flange Disk connects and any one in screwed connection.
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CN201721409107.7U CN207333548U (en) | 2017-10-30 | 2017-10-30 | A kind of viscid fluid damper of contributing greatly |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108756007A (en) * | 2018-06-28 | 2018-11-06 | 云南震安减震科技股份有限公司 | A kind of combined multifunctional fluid linking damper |
CN109898911A (en) * | 2019-04-16 | 2019-06-18 | 南京丹枫机械科技有限公司 | A kind of multi-cylinder combined type viscous damper |
CN110587481A (en) * | 2019-10-12 | 2019-12-20 | 三门峡源美检测仪器有限公司 | Intermittent grinding processing active measurement device and piston damping structure thereof |
-
2017
- 2017-10-30 CN CN201721409107.7U patent/CN207333548U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108756007A (en) * | 2018-06-28 | 2018-11-06 | 云南震安减震科技股份有限公司 | A kind of combined multifunctional fluid linking damper |
CN108756007B (en) * | 2018-06-28 | 2024-02-02 | 震安科技股份有限公司 | Combined type multifunctional viscous damper |
CN109898911A (en) * | 2019-04-16 | 2019-06-18 | 南京丹枫机械科技有限公司 | A kind of multi-cylinder combined type viscous damper |
CN110587481A (en) * | 2019-10-12 | 2019-12-20 | 三门峡源美检测仪器有限公司 | Intermittent grinding processing active measurement device and piston damping structure thereof |
CN110587481B (en) * | 2019-10-12 | 2024-04-26 | 三门峡源美检测仪器有限公司 | Intermittent grinding active measuring device and piston damping structure thereof |
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Address after: No.185, Zhujiang Road, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Fenzhen Construction Technology Co.,Ltd. Address before: No.185, Zhujiang Road, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee before: NANJING BAIXISI BUILDING TECHNOLOGY CO.,LTD. |
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CP01 | Change in the name or title of a patent holder |