CN109944983A - Damping pipe-line system based on friction energy-dissipating - Google Patents
Damping pipe-line system based on friction energy-dissipating Download PDFInfo
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- CN109944983A CN109944983A CN201910279437.6A CN201910279437A CN109944983A CN 109944983 A CN109944983 A CN 109944983A CN 201910279437 A CN201910279437 A CN 201910279437A CN 109944983 A CN109944983 A CN 109944983A
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- line system
- pipe clamp
- pipe
- damping
- friction energy
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- 238000013016 damping Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The damping pipe-line system based on friction energy-dissipating that the invention discloses a kind of belongs to structural damping (vibration) field of engineering technology.Damping pipe-line system of the present invention includes pipeline, interior pipe clamp, friction energy-dissipating layer, outer pipe clamp and para-seismic support；Interior pipe clamp is bolted on pipeline, and friction energy-dissipating layer is arranged between interior pipe clamp and outer pipe clamp, pipe-line system is fixed on structural elements by para-seismic support.Under earthquake load, para-seismic support provides support stiffness, damping energy dissipation layer of the friction energy-dissipating material as pipe-line system for pipe-line system, and the seismic energy for the input that dissipates reduces the seismic acceleration and Earthquake Internal Force of pipe-line system.The configuration of the present invention is simple, easy to use, at low cost, effectiveness in vibration suppression is significant, not only can reduce the Earthquake Internal Force of pipe-line system, but also can isolate influence of the power conduit vibration to structural elements.
Description
Technical field
The invention belongs to structural damping (vibration) field of engineering technology, it is related to a kind of pipeline cushion technique, more particularly to a kind of
Damping pipe-line system based on friction energy-dissipating.
Background technique
Pipe-line system is common non-structural element, including electromechanical pipeline, ventilation shaft, water supply line of building structure etc.,
There is significant contribution to the use function of structure.In earthquake, pipe-line system is easier to destroy than structural elements.It is destroyed
Huge direct economic loss is not only resulted in, and serious secondary disaster and building can be caused to use the forfeiture of function.Such as
What, which effectively reduces seismic pipe-line system structure, is destroyed, and the loss of disaster bring is reduced, it has also become pipe-line system technology hair
One of critical issue of exhibition.
Frcition damper applies prestressing force on rubbing surface, and frictional heat generation when using between rubbing surface with respect to sliding dissipates
Input energy.By adjusting the precompression of coefficient of friction and rubbing surface between frcition damper sliding surface, it can be designed and be suitable for
The frcition damper of various operating conditions.The advantages that frcition damper is simple, at low cost, energy dissipation capacity is strong due to structure, answers extensively
For the vibration damping field of engineering structure, but there is presently no the feasible cases that frcition damper is used for pipeline damping.
Summary of the invention
The object of the invention is that overcome shortcoming and defect of the existing technology, provide a kind of based on friction energy-dissipating
Damping pipe-line system.One side para-seismic support plays support effect of contraction, the vertical of restriction conduit, horizontal direction (packet to pipeline
Containing pipe lengths and vertical length direction) displacement deformation；On the other hand the frictional heat generation of friction energy-dissipating material, consumption are utilized
The seismic energy of input is dissipated, the seismic acceleration and inertia force for being transferred to pipeline by structure is reduced, improves the earthquake of pipe-line system
Safety.
The object of the present invention is achieved like this:
A kind of damping pipe-line system based on friction energy-dissipating, it is characterised in that: including pipeline, interior pipe clamp, friction energy-dissipating layer,
Outer pipe clamp and para-seismic support；Said inner tube folder is fixedly mounted on the pipeline for needing shock-absorbing support, and the outer tube collet is located at interior
Outside pipe clamp, the friction energy-dissipating layer is set between interior pipe clamp and outer pipe clamp, is connected for damping between interior pipe clamp and outer pipe clamp, institute
It states para-seismic support to be fixedly mounted on outer pipe clamp, para-seismic support end is equipped with the mounting hole for being mounted on structural member.
Further, said inner tube folder outer wall is equipped with the card slot of annular, and the friction energy-dissipating layer is set in card slot, card slot
Fixed function is played to friction energy-dissipating layer.
Further, said inner tube folder both ends are respectively equipped with postive stop baffle, and the outer pipe clamp is mounted on interior pipe clamp both ends
It between postive stop baffle, is limited by the external pipe clamp of postive stop baffle, limits the dominant bit between outer pipe clamp and friction energy-dissipating layer
It moves.
Further, the para-seismic support has multiple, and multiple para-seismic supports are pairs of to be fixed on the upside of outer pipe clamp.
Further, the para-seismic support being arranged radially each along pipeline.
Further, the outer pipe clamp is made of upper exterior tube folder and lower outer pipe folder, is led between upper exterior tube folder and lower outer pipe folder
Bolt is crossed to be fixedly linked.
Further, it is arranged with compressed spring on the bolt between the upper exterior tube folder and lower outer pipe folder, by turning spiral shell
The prestressing force of the adjustable compressed spring of nut on bolt, thus the extruding of pipe clamp and outer pipe clamp to friction energy-dissipating layer in adjusting
Power.
Further, the friction energy-dissipating layer is made of friction energy-dissipating material.
The present invention has following advantages and good effect:
1. the precompression between the adjustable rubbing surface of the present invention is adjusted flexibly according to Practical Project demand, engineering adaptability
By force；
2. application of the present invention is extensive, the pipelines such as electromechanical pipeline, ventilation shaft, water supply line system can be applied to
System；
3. para-seismic support of the present invention provides support stiffness for pipe-line system, the displacement of pipe-line system is controlled；Between rubbing surface
Opposite sliding provides certain deformation space for pipeline, and the seismic energy for the input that dissipates, the earthquake for reducing pipe-line system add
Speed and Earthquake Internal Force；
4. damping pipe-line system of the present invention can not only reduce seismic acceleration, the Earthquake Internal Force of pipe-line system, but also can isolate
Power conduit vibrates the influence to structural elements.
In conclusion the configuration of the present invention is simple, easy to use, at low cost, effectiveness in vibration suppression is significant, the earthquake of pipeline has both been controlled
Displacement, and reduce the Earthquake Internal Force of pipe-line system, suitable under various environment, the pipe-line system of various shape and structure size
Damping.
Detailed description of the invention
Fig. 1 is damping pipeline overall system architecture schematic diagram of the present invention.
Fig. 2 is pipe clamp and outer pipe clamp decomposition diagram in the present invention.
Fig. 3 is damping pipe-line system left view of the present invention.
Fig. 4 is damping pipeline system side view of the present invention.
Fig. 5 is damping pipe-line system top view of the present invention.
Appended drawing reference: 1- pipeline, pipe clamp in 2-, 21- card slot, 22- postive stop baffle, 3- friction energy-dissipating layer, the outer pipe clamp of 4-,
41- upper exterior tube presss from both sides 41,42- lower outer pipe folder, 43- compressed spring, 44- bolt, 5- para-seismic support.
Specific embodiment
It is described in detail with reference to the accompanying drawings and examples:
One, the structure of damping pipe-line system
1, overall
As shown in Figures 1 to 5, a kind of damping pipe-line system based on friction energy-dissipating includes pipeline 1, interior pipe clamp 2, friction consumption
Ergosphere 3, outer pipe clamp 4 and para-seismic support 5；
Interior pipe clamp 2 is made of two annular sub- pipe clamps, and two sub- pipe clamps are fixedly connected on pipeline 1 by bolt,
Friction energy-dissipating layer 3 is set between interior pipe clamp 2 and outer pipe clamp 4, and the para-seismic support 5 is fixedly mounted on outer pipe clamp 4, para-seismic support
5 ends are equipped with the mounting hole for being mounted on structural member, and pipe-line system is fixed on structural elements by para-seismic support 5.
The outer pipe clamp 4 is made of upper exterior tube folder 41 and lower outer pipe folder 42, passes through bolt 44 between upper exterior tube folder 41 and lower outer pipe folder 42
It is fixedly linked.
The friction energy-dissipating layer 3 is two loop buffer layers made of friction energy-dissipating material, the size of friction energy-dissipating layer 3
Match with the card slot 21 on interior pipe clamp 2, fixed function, friction energy-dissipating material one are played to friction energy-dissipating layer 3 by card slot 21
As select the bigger material of internal friction, such as visco-elastic damping material；
Said inner tube presss from both sides 2 both ends and is respectively equipped with postive stop baffle 22, and the outer pipe clamp 4 is mounted on the limit at interior 2 both ends of pipe clamp
Between baffle 22, limited by the external pipe clamp 4 of postive stop baffle 22.Limit the maximum between outer pipe clamp 4 and friction energy-dissipating layer 3
Displacement；
For outer pipe clamp 4, upper exterior tube folder 41 and lower outer pipe folder 42 contravention that connects are equipped with the otic placode that turns up, set bolt on otic placode
Hole, there are gaps between upper exterior tube folder 41 and the otic placode of lower outer pipe folder 42, between the upper exterior tube folder 41 and lower outer pipe folder 42
Compressed spring 43 is arranged on bolt 44, by turning the prestressing force of the adjustable compressed spring 43 of the nut on bolt 44, from
And interior pipe clamp 2 and outer pipe clamp 4 are adjusted to the extruding force of friction energy-dissipating layer 3.
As a kind of more excellent embodiment, there are four para-seismic supports 5 on outer pipe clamp 4, between upper exterior tube folder 41 and para-seismic support 5
It is bolted hingedly, can not only fix pipeline 1 in this way, but also the rigidity between para-seismic support 5 and outer pipe clamp 4 is prevented to connect
It connects, increases shock resistance.
2, functional component
1) pipeline is applicable to the pipe for the multiple materials such as electromechanical pipeline, ventilation shaft, water supply line, various shapes
Road.
2) pipe clamp in
Interior pipe clamp 2 can be process according to the shape, structure size of pipeline, and card slot 21 and postive stop baffle 22 are according to rubbing
The size of cleaning block is determined.
3) friction energy-dissipating layer
Type and the thickness for making the friction energy-dissipating material of friction energy-dissipating layer 3 are true according to interior 2 size of pipe clamp and 1 weight of pipeline
It is fixed.
4) outer pipe clamp
The size of outer pipe clamp 4 is determined according to the size of friction energy-dissipating layer 3, can be process using steel.
5) para-seismic support
Depending on the size and weight rank of the size and model of para-seismic support 5 fixed -piping 1 as needed, length is according to existing
Field actual installation distance determines.
3, working mechanism
When coming earthquake, para-seismic support 5 plays support effect of contraction, vertical, the horizontal side of restriction conduit 1 to pipeline 1
To the displacement deformation of (including pipe lengths and vertical length direction), protective conduit system is not in big uncoordinated position
It moves deformation and destroys.Apply prestressing force between the sliding surface of friction energy-dissipating material by adjusting compressed spring 43, when earthquake lotus
When carrying the critical load for being less than rubbing surface, rubbing surface will not be produced relative sliding, by para-seismic support 5 by the seismic force of pipe-line system
Reach main structure；When earthquake load is greater than the critical load of rubbing surface, produced relative sliding between rubbing surface, frictional heat generation
Thermal energy consumption is converted by seismic energy to dissipate；When the earthquake displacement of pipe-line system is larger, outer pipe clamp 4 can contact postive stop baffle
22, prevent pipe-line system from generating over-large displacement and destroying.In this way, under different earthquake effect, subtracting based on friction energy-dissipating
Shake pipe-line system can preferably play the functional characteristic of its antidetonation, damping, improve the earthquake safety of pipe-line system.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of damping pipe-line system based on friction energy-dissipating, it is characterised in that: including pipeline, interior pipe clamp, friction energy-dissipating layer, outer
Pipe clamp and para-seismic support；Said inner tube folder is fixedly mounted on the pipeline for needing shock-absorbing support, and the outer tube collet is located at inner tube
Folder is outer, and the friction energy-dissipating layer is set between interior pipe clamp and outer pipe clamp, connects for damping between interior pipe clamp and outer pipe clamp, described
Para-seismic support is fixedly mounted on outer pipe clamp, and para-seismic support end is equipped with the mounting hole for being mounted on structural member.
2. damping pipe-line system as described in claim 1, it is characterised in that: said inner tube presss from both sides the card that outer wall is equipped with annular
Slot, the friction energy-dissipating layer are set in card slot.
3. damping pipe-line system as claimed in claim 2, it is characterised in that: said inner tube folder both ends are respectively equipped with limiting block
Plate, the outer pipe clamp are mounted between the postive stop baffle at interior pipe clamp both ends, are limited by the external pipe clamp of postive stop baffle.
4. damping pipe-line system as claimed in claim 2, it is characterised in that: the para-seismic support has multiple, multiple antidetonation branch
That puts up pair is fixed on the upside of outer pipe clamp.
5. damping pipe-line system as claimed in claim 4, it is characterised in that: the para-seismic support is set each along the radial direction of pipeline
It sets.
6. damping pipe-line system as claimed in claim 2, it is characterised in that: the outer pipe clamp is pressed from both sides by upper exterior tube folder and lower outer pipe
Composition is bolted connected between upper exterior tube folder and lower outer pipe folder.
7. damping pipe-line system as claimed in claim 6, it is characterised in that: the spiral shell between the upper exterior tube folder and lower outer pipe folder
Compressed spring is arranged on bolt, by turning the prestressing force of the adjustable compressed spring of the nut on bolt, to adjust inner tube
The extruding force of folder and outer pipe clamp to friction energy-dissipating layer.
8. damping pipe-line system as claimed in any one of claims 1 to 7, it is characterised in that: the friction energy-dissipating layer uses
Friction energy-dissipating material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279437.6A CN109944983A (en) | 2019-04-09 | 2019-04-09 | Damping pipe-line system based on friction energy-dissipating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279437.6A CN109944983A (en) | 2019-04-09 | 2019-04-09 | Damping pipe-line system based on friction energy-dissipating |
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| CN109944983A true CN109944983A (en) | 2019-06-28 |
Family
ID=67013916
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279437.6A Pending CN109944983A (en) | 2019-04-09 | 2019-04-09 | Damping pipe-line system based on friction energy-dissipating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828734A (en) * | 2020-07-24 | 2020-10-27 | 哈尔滨工业大学 | Vibration isolator for pipeline support |
| CN111853150A (en) * | 2020-07-08 | 2020-10-30 | 合肥元康环境科技有限公司 | Bridge lateral rigid anti-seismic support system |
| CN113048292A (en) * | 2021-02-07 | 2021-06-29 | 嵊州市浙江工业大学创新研究院 | Multi-applicability pipeline friction vibration damper |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853150A (en) * | 2020-07-08 | 2020-10-30 | 合肥元康环境科技有限公司 | Bridge lateral rigid anti-seismic support system |
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| CN113048292A (en) * | 2021-02-07 | 2021-06-29 | 嵊州市浙江工业大学创新研究院 | Multi-applicability pipeline friction vibration damper |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
| CN114738589B (en) * | 2022-04-14 | 2023-08-04 | 中国核电工程有限公司 | Nuclear grade pipeline bracket setting method and device |
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