CN221991224U - Three-hinge expansion joint shock insulation flexible pipeline structure suitable for L-shaped pipe section - Google Patents
Three-hinge expansion joint shock insulation flexible pipeline structure suitable for L-shaped pipe section Download PDFInfo
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- CN221991224U CN221991224U CN202420559620.8U CN202420559620U CN221991224U CN 221991224 U CN221991224 U CN 221991224U CN 202420559620 U CN202420559620 U CN 202420559620U CN 221991224 U CN221991224 U CN 221991224U
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- 230000035939 shock Effects 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 abstract description 24
- 230000000712 assembly Effects 0.000 abstract description 21
- 238000000429 assembly Methods 0.000 abstract description 21
- 238000002955 isolation Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of pipeline vibration isolation, and particularly discloses a vibration isolation flexible pipeline structure suitable for an L-shaped pipeline section three-hinge expansion joint, which comprises the following components: the device comprises a vertical straight pipe, a single-hinge expansion joint assembly, a middle connecting pipe I, an elbow and a transverse straight pipe, wherein one end of the vertical straight pipe is connected with the middle connecting pipe I through a group of single-hinge expansion joint assemblies, one end of the middle connecting pipe I is connected with the elbow through a group of single-hinge expansion joint assemblies, and the vertical straight pipe forms an L-shaped structure with the transverse straight pipe through three groups of single-hinge expansion joint assemblies, the middle connecting pipe I and the elbow; the utility model has reasonable design, simple structure, convenient use and installation and low cost, can compensate the large earthquake displacement of the L-shaped pipeline system in any direction of 360 degrees, avoids the pipeline damage in the shock insulation layer of the L-shaped pipeline system, meets the building pipeline and is beneficial to use.
Description
Technical Field
The utility model belongs to the technical field of pipeline vibration isolation, and particularly relates to a vibration isolation flexible pipeline structure suitable for an L-shaped pipeline section three-hinge expansion joint.
Background
The vibration isolation technology is applied to engineering projects in China from the nineties of the last century, and after years of development, the technology is popularized and applied to a great deal of important buildings in the fields of public buildings and the like in China, and particularly the release and implementation of construction engineering vibration-resistant management regulations are necessary to promote the high-quality development of the vibration isolation technology;
the pipeline is just like a blood vessel of a building, the structural shock insulation is in the standardized development of the induced vibration pipeline shock insulation technology, the pipeline flexible treatment corresponding to the crossing shock insulation layer and crossing shock insulation seams (ditches) is the most typical and most important construction measure, the building can be ensured to continue to be in service basically without repairing after the shock, and the influence of the shock on normal life is reduced to the minimum;
The traditional pipeline flexible part is basically only used for absorbing the thermal expansion and cold contraction deformation of the pipeline, and has small deformation quantity and slow deformation process, which is equivalent to quasi-static deformation. In recent years, with the increasingly wide application of the vibration isolation technology in the building field, the problem of pipeline vibration isolation across the vibration isolation layer and across the vibration isolation seam is highlighted. The pipe shock insulation is necessarily realized by a flexible element; the allowable deformability of the flexible element is increased, which tends to lead to the increase of the length and the reduction of the rigidity of the flexible element of the pipeline, and the problem of columnar stability of the flexible element is extremely easy to cause. In addition, the displacement direction of the earthquake is unpredictable, and the deformation capacity of the shock insulation flexible piece must meet the preset displacement amount in any direction;
Generally, pipelines in a building are densely distributed and have a narrow space, and how to solve the problem of seismic displacement compensation with large and random directions in the narrow space is always a technical problem; the utility model combines the flexible piece and a deformation constraint mechanism skillfully, effectively solves the technical problems, realizes the deformation control of the flexible piece, improves the fatigue life of the flexible piece and is convenient to use.
Disclosure of utility model
The utility model aims to provide a vibration-isolating flexible pipeline structure suitable for an L-shaped pipeline section three-hinge expansion joint, and provides a vibration-isolating flexible pipeline system suitable for an L-shaped pipeline section three-hinge expansion joint, which can compensate large displacement of the pipeline system in any 360 degrees in any direction, avoid damage of the pipeline system of a vibration-isolating layer, and fully meet the vibration-isolating flexibility requirement of the L-shaped pipeline system in a vibration-isolating building so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A three-hinge expansion joint shock insulation flexible pipe structure suitable for an L-shaped pipe section, comprising:
The vertical type earthquake expansion pipe comprises a vertical straight pipe, a single-hinge expansion joint assembly, a first middle connecting pipe, an elbow, a second middle connecting pipe and a transverse straight pipe, wherein one end of the vertical straight pipe is connected with the first middle connecting pipe through a group of single-hinge expansion joint assemblies, one end of the first middle connecting pipe is connected with the elbow through a group of single-hinge expansion joint assemblies, two groups of adjacent single-hinge expansion joint assemblies are connected through the elbow and connected with the first middle connecting pipe, the earthquake large displacement corresponding to the vertical pipe section is absorbed respectively according to two combination modes, one end of the elbow is connected with the second middle connecting pipe through a group of single-hinge expansion joint assemblies, the second middle connecting pipe is connected with the transverse straight pipe through a group of single-hinge expansion joint assemblies, the single-hinge expansion joint assemblies are respectively arranged on horizontal and vertical pipelines of L-shaped pipe sections, namely, the vertical straight pipe and the transverse straight pipe through the angular deformation of two groups of adjacent single-hinge expansion joint assemblies are respectively absorbed and correspond to the large earthquake displacement on the vertical pipe sections, the vertical expansion joint assemblies can be respectively arranged on the vertical pipe section through the three groups of single-hinge expansion joint assemblies, the first middle connecting pipe and the two groups of the vertical expansion joint assemblies can be arranged on the vertical pipe section through the vertical expansion joint assemblies and the two groups of the vertical expansion joint assemblies.
Preferably, the single-hinge expansion joint assembly comprises an end pipe and a corrugated pipe, wherein two groups of end pipes are connected through the corrugated pipe, so that angle bending is facilitated, and the device can realize absorption of transverse displacement through the angle deformation of the two groups of adjacently arranged single-hinge expansion joint assemblies.
Preferably, the single hinge expansion joint assembly further comprises a vertical plate, an auxiliary hinge plate, a pin shaft and a main hinge plate, wherein the outer ends of the two groups of end pipes are connected with the vertical plate, the upper end of one group of vertical plates is connected with the two groups of auxiliary hinge plates which are symmetrically arranged, the upper end of the other group of vertical plates is connected with the main hinge plate, the two groups of auxiliary hinge plates are rotatably connected with the main hinge plate through the pin shaft, the auxiliary hinge plates are rotatably connected with the main hinge plate relative to the main hinge plate, the arranged auxiliary hinge plates, the main hinge plate and the vertical plate can bear pipeline internal pressure thrust, the pin shafts ensure the angular deformation of the corrugated pipes and bear shearing force generated by the internal pressure thrust, and the large displacement is met by the angular deformation of the arranged corrugated pipes and the amplified rotation of the first middle connecting pipes and the second middle connecting pipes.
Preferably, one side of the vertically arranged straight pipe is provided with a secondary fixing support I, so that the installation and fixing effects are achieved.
Preferably, one side of the straight pipe which is transversely arranged is provided with a secondary fixing support II which can play a role in installation and fixing.
Preferably, a support and hanger is arranged on one side of the elbow, and the support and hanger can bear the weight of a pipeline system and ensure that displacement in any direction of the pipeline forms freedom degree.
Preferably, the support and hanger are arranged as sliding supports, so that the weight of a pipeline system and the freedom degree of any direction of a pipeline can be simultaneously ensured.
Preferably, the support and hanger is a spring support and hanger, which can simultaneously ensure the freedom degree of bearing the weight of the pipeline system and any direction of the pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model has reasonable design, simple structure, convenient use and installation, low cost and capacity of compensating the large earthquake displacement of the L-shaped pipeline system in any direction of 360 degrees, avoiding the pipeline damage in the vibration isolation layer of the L-shaped pipeline system, meeting the building pipeline and being beneficial to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the connection of a single hinge expansion joint assembly of the present utility model;
FIG. 3 is a schematic view illustrating an operation state of the present utility model;
FIG. 4 is a second schematic view of the working state of the present utility model;
In the figure: 1. a secondary fixing support I; 2. a straight pipe; 3. a single hinge expansion joint assembly; 4. a first middle connecting pipe; 5. an elbow; 6. a support and hanger; 7. a middle connecting pipe II; 8. secondary fixing support II; 9. an end pipe; 10. a sub hinge plate; 11. a pin shaft; 12. a bellows; 13. a main hinge plate; 14. and a vertical plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-4, a shock insulation flexible pipe structure suitable for an L-shaped pipe section with a three-hinge expansion joint, comprising:
The vertical setting's straight tube 2, single-hinge expansion joint subassembly 3, middle takeover one 4, the elbow 5, middle takeover two 7 and horizontal setting's straight tube 2, the one end of vertical setting's straight tube 2 is connected with middle takeover one 4 through a set of single-hinge expansion joint subassembly 3, the one end of middle takeover one 4 is connected with elbow 5 through a set of single-hinge expansion joint subassembly 3, two sets of adjacent single-hinge expansion joint subassemblies 3 are connected through elbow 5 and are connected through middle takeover one 4, absorb the earthquake big displacement of corresponding vertical pipe section respectively according to two combination modes, the one end of elbow 5 is connected with middle takeover two 7 through a set of single-hinge expansion joint subassembly 3, middle takeover two 7 is connected with horizontal setting's straight tube 2 through a set of single-hinge expansion joint subassembly 3, vertical setting's straight tube 2 constitutes L shape structure through three sets of single-hinge expansion joint subassemblies 3, middle takeover one 4 and elbow 5 and horizontal setting's straight tube 2, this structure can be arranged on the pipeline of horizontal setting, also can be arranged on vertical setting, through the angle deformation of two sets of single-hinge expansion joint subassembly 3, absorb the big displacement of corresponding to vertical pipe section on the single-hinge expansion joint subassembly 3 respectively.
The application provides a three-hinge expansion joint vibration isolation flexible pipeline system suitable for an L-shaped pipeline section, which can simultaneously compensate large displacement of the pipeline system in any direction of 360 degrees, avoid damage of the pipeline system of a vibration isolation layer, fully meet the vibration isolation flexibility requirement of the L-shaped pipeline system in a vibration isolation building and is beneficial to the vibration isolation use of the pipeline.
In this example, the single-hinge expansion joint assembly 3 comprises an end pipe 9 and a corrugated pipe 12, the two groups of end pipes 9 are connected through the corrugated pipe 12, and further angle bending is facilitated, and the device realizes absorption of transverse displacement through the angular deformation of the two groups of adjacently arranged single-hinge expansion joint assemblies 3.
In this example, the single hinge expansion joint assembly 3 further includes a vertical plate 14, an auxiliary hinge plate 10, a pin shaft 11 and a main hinge plate 13, the outer ends of the two groups of end pipes 9 are connected with the vertical plate 14, the upper end of one group of vertical plates 14 is connected with two groups of symmetrically arranged auxiliary hinge plates 10, the upper end of the other group of vertical plates 14 is connected with the main hinge plate 13, the two groups of auxiliary hinge plates 10 and the main hinge plate 13 are rotationally connected through the pin shaft 11, the auxiliary hinge plates 10 can rotate relative to the main hinge plate 13, the arranged auxiliary hinge plates 10, the main hinge plate 13 and the vertical plate 14 can bear pipeline internal pressure thrust, the arranged pin shafts 11 ensure the angular deformation of the corrugated pipes 12 and bear shearing force generated by the internal pressure thrust, and the large displacement is absorbed by the angular deformation of the arranged corrugated pipes 12 and the amplified rotation of the middle connecting pipes 4 and the middle connecting pipes 7, thereby being beneficial to the use of pipeline vibration isolation.
In this example, one side of the straight pipe 2 that is vertically arranged is provided with a secondary fixing support 1, which can play a role in installation and fixing.
In this example, a secondary fixing support 8 is arranged on one side of the straight pipe 2 which is transversely arranged, and the installation and fixing effects can be achieved.
In this example, a support hanger 6 is provided on one side of the elbow 5, and the support hanger 6 is provided to support the weight of the pipeline system while ensuring freedom in displacement in any direction of the pipeline.
In this example, the hanger 6 is provided as a sliding support, which can simultaneously ensure freedom in bearing the weight of the piping system and any direction of the piping.
Further, as another embodiment, the hanger 6 may be provided as a spring hanger, and the degrees of freedom in receiving the weight of the pipe system and in any direction of the pipe can be ensured at the same time.
Example 2:
As shown in fig. 3, the two sets of single-hinge expansion joint assemblies 3 of the horizontal segment absorb large displacement in the vertical segment direction through angular deformation, while the uppermost single-hinge expansion joint assembly 3 of the vertical segment is maintained in a normal state.
Example 3:
as shown in fig. 4, the two sets of single-hinge expansion joint assemblies 3 of the vertical section absorb large displacement in the horizontal section direction by angular deformation, while the single-hinge expansion joint assemblies 3 of the horizontal section remain in a normal state.
When the L-shaped pipeline in the shock insulation layer generates large displacement in any 360 degrees in any direction when an earthquake occurs, the displacement generated on the respective vertical pipe sections is respectively absorbed through the angular deformation of the three groups of single-hinge expansion joint assemblies 3, and the angular deformation generated by the middle single-hinge expansion joint assembly 3 is the largest; meanwhile, the support and hanging frame 6 at the elbow 5 bears the weight of the pipeline and transmits earthquake displacement in different directions together with the elbow 5, and the utility model can compensate earthquake large displacement of the building pipeline which is conventionally arranged as an L-shaped pipeline system in any direction of 360 degrees.
The utility model has reasonable design, simple structure, convenient use and installation, low cost and capacity of compensating the large earthquake displacement of the L-shaped pipeline system in any direction of 360 degrees, avoiding the pipeline damage in the vibration isolation layer of the L-shaped pipeline system, meeting the building pipeline and being beneficial to use.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a be applicable to L type pipeline section three-hinge expansion joint shock insulation flexible piping structure which characterized in that includes: the vertical straight pipe (2), single-hinge expansion joint assembly (3), middle takeover one (4), elbow (5), middle takeover two (7) and horizontal straight pipe (2) that set up, the one end of vertical straight pipe (2) is through a set of single-hinge expansion joint assembly (3) with middle takeover one (4) is connected, the one end of middle takeover one (4) is through a set of single-hinge expansion joint assembly (3) with elbow (5) are connected, the one end of elbow (5) is through a set of single-hinge expansion joint assembly (3) with middle takeover two (7) are connected, middle takeover two (7) are through a set of single-hinge expansion joint assembly (3) with horizontal straight pipe (2) that set up are connected, vertical straight pipe (2) through three sets of single-hinge expansion joint assembly (3), middle takeover one (4) and elbow (5) constitute L shape structure with horizontal straight pipe (2) that set up.
2. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 1, wherein: the single-hinge expansion joint assembly (3) comprises an end pipe (9) and a corrugated pipe (12), and the two groups of end pipes (9) are connected through the corrugated pipe (12).
3. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 2, wherein: the single-hinge expansion joint assembly (3) further comprises a vertical plate (14), an auxiliary hinge plate (10), a pin shaft (11) and a main hinge plate (13), wherein the outer ends of the end pipes (9) are connected with the vertical plate (14), one group of the auxiliary hinge plates (10) are connected with the upper ends of the vertical plates (14) in two groups, the other group of the auxiliary hinge plates (10) are symmetrically arranged, the upper ends of the vertical plates (14) are connected with the main hinge plate (13), and the two groups of the auxiliary hinge plates (10) are connected with the main hinge plate (13) in a rotating mode through the pin shaft (11).
4. A three-hinge expansion joint shock insulation flexible pipe structure suitable for an L-shaped pipe section according to claim 3, wherein: one side of the vertically arranged straight pipe (2) is provided with a secondary fixed support I (1).
5. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 4, wherein: one side of the transversely arranged straight pipe (2) is provided with a secondary fixing support II (8).
6. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 5, wherein: one side of the elbow (5) is provided with a supporting and hanging bracket (6).
7. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 6, wherein: the support and hanger (6) is arranged as a sliding support.
8. The three-hinge expansion joint shock insulation flexible pipe structure suitable for the L-shaped pipe section according to claim 6, wherein: the supporting and hanging frame (6) is a spring supporting and hanging frame.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221991224U true CN221991224U (en) | 2024-11-12 |
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