CN209839346U - Damping pipeline system based on friction energy consumption - Google Patents
Damping pipeline system based on friction energy consumption Download PDFInfo
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- CN209839346U CN209839346U CN201920474081.7U CN201920474081U CN209839346U CN 209839346 U CN209839346 U CN 209839346U CN 201920474081 U CN201920474081 U CN 201920474081U CN 209839346 U CN209839346 U CN 209839346U
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Abstract
The utility model discloses a shock attenuation pipe-line system based on friction power consumption belongs to structure shock attenuation (shake) engineering technical field. The utility model discloses a damping pipeline system comprises a pipeline, an inner pipe clamp, a friction energy consumption layer, an outer pipe clamp and an anti-seismic bracket; the inner pipe clamp is fixed on the pipeline through a bolt, a friction energy consumption layer is arranged between the inner pipe clamp and the outer pipe clamp, and the pipeline system is fixed on the structural member through an anti-seismic support. Under earthquake load, the earthquake-resistant support provides support rigidity for the pipeline system, and the friction energy dissipation material is used as a damping energy dissipation layer of the pipeline system to dissipate input earthquake energy and reduce earthquake acceleration and earthquake internal force of the pipeline system. The utility model discloses simple structure, convenient to use, with low costs, damping effect are showing, both can reduce pipe-line system's earthquake internal force, can keep apart the influence of power pipeline vibration to structural component again.
Description
Technical Field
The utility model belongs to the technical field of structure shock attenuation (shake) engineering, a pipeline shock attenuation technique is related to, especially, relate to a shock attenuation pipe-line system based on friction power consumption.
Background
Ductwork is a common non-structural component of building structures, including electromechanical ducts, ventilation ducts, water supply ducts, etc., and makes a significant contribution to the functional utility of the structure. In earthquakes, the piping is more susceptible to damage than the structural members. The damage not only causes huge direct economic loss, but also causes serious secondary disasters and loss of using functions of the building. How to effectively reduce the structural damage of the pipeline system caused by the earthquake and reduce the loss caused by the disaster becomes one of the key problems of the technical development of the pipeline system.
The friction damper applies a prestress to the friction surfaces, dissipating input energy using frictional heat generation during relative sliding between the friction surfaces. By adjusting the friction coefficient between the sliding surfaces of the friction damper and the pre-pressure of the friction surface, the friction damper suitable for various working conditions can be designed. The friction damper has the advantages of simple structure, low cost, strong energy consumption capability and the like, and is widely applied to the field of vibration reduction of engineering structures, but no feasible case for applying the friction damper to pipeline vibration reduction exists at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming and not enough that prior art exists just, provide a shock attenuation pipe-line system based on friction power consumption. On one hand, the anti-seismic support plays a role in supporting and restraining the pipeline and limits displacement deformation of the pipeline in the vertical and horizontal directions (including the length direction and the vertical length direction of the pipeline); on the other hand, the input seismic energy is dissipated by utilizing the frictional heat generation of the frictional energy dissipation material, the seismic acceleration and the inertia force transmitted to the pipeline by the structure are reduced, and the seismic safety of the pipeline system is improved.
The purpose of the utility model is realized like this:
the utility model provides a shock attenuation pipe-line system based on friction energy dissipation which characterized in that: the pipe clamp comprises a pipeline, an inner pipe clamp, a friction energy consumption layer, an outer pipe clamp and an anti-seismic support; the inner pipe clamp is fixedly installed on a pipeline needing damping support, the outer pipe clamp is sleeved outside the inner pipe clamp, the friction energy consumption layer is arranged between the inner pipe clamp and the outer pipe clamp and used for damping connection between the inner pipe clamp and the outer pipe clamp, the anti-seismic support is fixedly installed on the outer pipe clamp, and the tail end of the anti-seismic support is provided with an installation hole used for being installed on a structural member.
Furthermore, an annular clamping groove is formed in the outer wall of the inner pipe clamp, the friction energy consumption layer is arranged in the clamping groove, and the clamping groove plays a role in fixing the friction energy consumption layer.
Furthermore, the two ends of the inner pipe clamp are respectively provided with a limiting baffle, the outer pipe clamp is arranged between the limiting baffles at the two ends of the inner pipe clamp, the outer pipe clamp is limited through the limiting baffles, and the maximum displacement between the outer pipe clamp and the friction energy consumption layer is limited.
Furthermore, the anti-seismic supports are multiple and are fixed on the upper side of the outer pipe clamp in pairs.
Further, the anti-seismic supports are all arranged along the radial direction of the pipeline.
Furthermore, the outer pipe clamp consists of an upper outer pipe clamp and a lower outer pipe clamp, and the upper outer pipe clamp and the lower outer pipe clamp are fixedly connected through bolts.
Furthermore, a compression spring is sleeved on a bolt between the upper outer pipe clamp and the lower outer pipe clamp, and the prestress of the compression spring can be adjusted by screwing a nut on the bolt, so that the extrusion force of the inner pipe clamp and the outer pipe clamp on the friction energy consumption layer is adjusted.
Furthermore, the friction energy dissipation layer is made of friction energy dissipation materials.
The utility model has the advantages of it is following and positive effect:
the utility model can adjust the pre-pressure between the friction surfaces, and can be flexibly adjusted according to the actual engineering requirements, and the engineering applicability is strong;
the utility model has wide application objects and can be applied to various pipeline systems such as electromechanical pipelines, ventilating pipelines, water supply pipelines and the like;
thirdly, the anti-seismic bracket of the utility model provides supporting rigidity for the pipeline system and controls the displacement of the pipeline system; the relative sliding between the friction surfaces provides a certain deformation space for the pipeline, and dissipates the input seismic energy, so that the seismic acceleration and the seismic internal force of the pipeline system are reduced;
the utility model discloses shock attenuation pipe-line system both can reduce pipe-line system's earthquake acceleration, earthquake internal force, can keep apart the influence of power pipeline vibration to structural component again.
To sum up, the utility model discloses simple structure, convenient to use, with low costs, damping effect are showing, both control the earthquake displacement of pipeline, reduce pipe-line system's earthquake internal force again, are applicable to under the various environment, various shapes and structure size's pipe-line system's shock attenuation.
Drawings
Fig. 1 is the overall structure schematic diagram of the damping pipeline system of the present invention.
Fig. 2 is an exploded view of the inner and outer pipe clamps of the present invention.
Fig. 3 is the left view of the damping pipe system of the present invention.
Figure 4 is a side view of the shock absorbing ductwork of the present invention.
Figure 5 is the utility model discloses shock attenuation pipe-line system top view.
Reference numerals: 1-pipeline, 2-inner pipe clamp, 21-clamping groove, 22-limit baffle, 3-friction energy consumption layer, 4-outer pipe clamp, 41-upper outer pipe clamp 41, 42-lower outer pipe clamp, 43-compression spring, 44-bolt and 5-anti-seismic support.
Detailed Description
The following detailed description is made with reference to the accompanying drawings and examples:
structure of damping pipeline system
1. General of
As shown in fig. 1 to 5, a damping pipe system based on friction energy dissipation includes a pipe 1, an inner pipe clamp 2, a friction energy dissipation layer 3, an outer pipe clamp 4, and an anti-seismic bracket 5;
the inner pipe clamp 2 consists of two annular sub pipe clamps, the two sub pipe clamps are connected and fixed on the pipeline 1 through bolts, a friction energy consumption layer 3 is arranged between the inner pipe clamp 2 and the outer pipe clamp 4, the anti-seismic support 5 is fixedly installed on the outer pipe clamp 4, the tail end of the anti-seismic support 5 is provided with a mounting hole used for being installed on a structural member, and the pipeline system is fixed on the structural member through the anti-seismic support 5. The outer pipe clamp 4 is composed of an upper outer pipe clamp 41 and a lower outer pipe clamp 42, and the upper outer pipe clamp 41 and the lower outer pipe clamp 42 are fixedly connected through a bolt 44.
The friction energy dissipation layer 3 is two annular buffer layers made of friction energy dissipation materials, the size of the friction energy dissipation layer 3 is matched with the clamping groove 21 on the inner pipe clamp 2, the friction energy dissipation layer 3 is fixed through the clamping groove 21, and the friction energy dissipation materials are generally made of materials with large internal friction force, such as viscoelastic damping materials;
the two ends of the inner pipe clamp 2 are respectively provided with a limiting baffle 22, the outer pipe clamp 4 is arranged between the limiting baffles 22 at the two ends of the inner pipe clamp 2, and the outer pipe clamp 4 is limited through the limiting baffles 22. Limiting the maximum displacement between the outer pipe clamp 4 and the friction energy consumption layer 3;
for the outer pipe clamp 4, the contact end of the upper outer pipe clamp 41 and the lower outer pipe clamp 42 is provided with an outward-turned lug plate, the lug plate is provided with a bolt hole, a gap is reserved between the lug plates of the upper outer pipe clamp 41 and the lower outer pipe clamp 42, a bolt 44 between the upper outer pipe clamp 41 and the lower outer pipe clamp 42 is sleeved with a compression spring 43, and the prestress of the compression spring 43 can be adjusted by screwing a nut on the bolt 44, so that the extrusion force of the inner pipe clamp 2 and the outer pipe clamp 4 on the friction energy consumption layer 3 is adjusted.
As a more preferred embodiment, the outer pipe clamp 4 is provided with four anti-seismic supports 5, and the upper outer pipe clamp 41 is hinged with the anti-seismic supports 5 through bolt connection, so that the pipeline 1 can be fixed, the rigid connection between the anti-seismic supports 5 and the outer pipe clamp 4 is prevented, and the anti-seismic property is improved.
2. Functional component
1) The pipeline can be suitable for pipelines with various shapes and made of various materials such as electromechanical pipelines, ventilation pipelines, water supply pipelines and the like.
2) Inner pipe clamp
The inner pipe clamp 2 can be processed according to the shape and the structural size of a pipeline, and the clamping groove 21 and the limiting baffle 22 are determined according to the size of the friction block.
3) Friction energy consuming layer
The type and thickness of the friction energy dissipation material for manufacturing the friction energy dissipation layer 3 are determined according to the size of the inner pipe clamp 2 and the weight of the pipeline 1.
4) Outer pipe clamp
The size of the outer pipe clamp 4 is determined according to the size of the friction energy consumption layer 3, and the outer pipe clamp can be processed by steel.
5) Anti-seismic support
The size and the type of the anti-seismic bracket 5 are determined according to the size and the weight grade of the fixed pipeline 1 required, and the length is determined according to the actual installation distance on site.
3. Mechanism of operation
When an earthquake comes, the anti-seismic support 5 plays a role in supporting and restraining the pipeline 1, so that displacement deformation of the pipeline 1 in the vertical direction and the horizontal direction (including the length direction and the vertical length direction of the pipeline) is limited, and the pipeline system is protected from being damaged due to large uncoordinated displacement deformation. Prestress is applied between the sliding surfaces of the friction energy dissipation materials by adjusting the compression spring 43, when the seismic load is smaller than the critical load of the sliding surfaces, the sliding surfaces cannot slide relatively, and the seismic force of the pipeline system is transmitted to the main structure by the anti-seismic support 5; when the earthquake load is larger than the critical load of the friction surfaces, relative sliding is generated between the friction surfaces, and the earthquake energy is converted into heat energy through frictional heat generation and dissipated; when the earthquake displacement of the pipeline system is large, the outer pipe clamp 4 can contact the limiting baffle 22, and the pipeline system is prevented from being damaged due to the excessive displacement. Therefore, under the action of different earthquakes, the shock absorption pipeline system based on friction energy consumption can better exert the shock resistance and shock absorption functional characteristics, and the earthquake safety of the pipeline system is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a shock attenuation pipe-line system based on friction energy dissipation which characterized in that: the pipe clamp comprises a pipeline, an inner pipe clamp, a friction energy consumption layer, an outer pipe clamp and an anti-seismic support; the inner pipe clamp is fixedly installed on a pipeline needing damping support, the outer pipe clamp is sleeved outside the inner pipe clamp, the friction energy consumption layer is arranged between the inner pipe clamp and the outer pipe clamp and used for damping connection between the inner pipe clamp and the outer pipe clamp, the anti-seismic support is fixedly installed on the outer pipe clamp, and the tail end of the anti-seismic support is provided with an installation hole used for being installed on a structural member.
2. A shock absorbing ductwork system as claimed in claim 1, wherein: the outer wall of the inner pipe clamp is provided with an annular clamping groove, and the friction energy consumption layer is arranged in the clamping groove.
3. A shock absorbing ductwork system as claimed in claim 2, wherein: the outer pipe clamp is arranged between the limiting baffles at the two ends of the inner pipe clamp, and the outer pipe clamp is limited by the limiting baffles.
4. A shock absorbing ductwork system as claimed in claim 2, wherein: the anti-seismic support is provided with a plurality of anti-seismic supports which are fixed on the upper side of the outer pipe clamp in pairs.
5. A shock absorbing ductwork system as claimed in claim 4, wherein: the anti-seismic supports are all arranged along the radial direction of the pipeline.
6. A shock absorbing ductwork system as claimed in claim 2, wherein: the outer pipe clamp consists of an upper outer pipe clamp and a lower outer pipe clamp, and the upper outer pipe clamp and the lower outer pipe clamp are fixedly connected through bolts.
7. A shock absorbing ductwork system as claimed in claim 6, wherein: the compression spring is sleeved on the bolt between the upper outer pipe clamp and the lower outer pipe clamp, and the prestress of the compression spring can be adjusted by screwing the nut on the bolt, so that the extrusion force of the inner pipe clamp and the outer pipe clamp on the friction energy consumption layer is adjusted.
8. A shock absorbing ductwork system as claimed in any one of claims 1 to 7, wherein: the friction energy consumption layer is made of friction energy consumption materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474081.7U CN209839346U (en) | 2019-04-09 | 2019-04-09 | Damping pipeline system based on friction energy consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474081.7U CN209839346U (en) | 2019-04-09 | 2019-04-09 | Damping pipeline system based on friction energy consumption |
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| CN209839346U true CN209839346U (en) | 2019-12-24 |
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| CN201920474081.7U Active CN209839346U (en) | 2019-04-09 | 2019-04-09 | Damping pipeline system based on friction energy consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944983A (en) * | 2019-04-09 | 2019-06-28 | 武汉地震工程研究院有限公司 | Damping pipe-line system based on friction energy-dissipating |
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2019
- 2019-04-09 CN CN201920474081.7U patent/CN209839346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944983A (en) * | 2019-04-09 | 2019-06-28 | 武汉地震工程研究院有限公司 | Damping pipe-line system based on friction energy-dissipating |
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