CN220470845U - Pipeline normal position suspends protection device in midair - Google Patents
Pipeline normal position suspends protection device in midair Download PDFInfo
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- CN220470845U CN220470845U CN202322194614.5U CN202322194614U CN220470845U CN 220470845 U CN220470845 U CN 220470845U CN 202322194614 U CN202322194614 U CN 202322194614U CN 220470845 U CN220470845 U CN 220470845U
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- joists
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000005096 rolling process Methods 0.000 claims abstract description 45
- 239000000725 suspension Substances 0.000 claims abstract description 42
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000011065 in-situ storage Methods 0.000 claims description 20
- 230000008093 supporting effect Effects 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Supports For Pipes And Cables (AREA)
Abstract
The application relates to a pipeline normal position hangs protection device, include: the support truss comprises beret beams, wherein a combined beam is arranged on the support truss, finish rolling deformed steel bars are hung on the combined beam in a penetrating manner, and the finish rolling deformed steel bars extend into a foundation pit and are connected to a lower joist for bearing a pipeline; nuts are arranged at the top of the combined beam and the bottom of the lower joist in a split mode, the top of the finish rolling screw thread steel extends upwards from the combined beam, the bottom of the finish rolling screw thread steel extends downwards from the lower joist, and the nuts are respectively connected to the extending parts of the finish rolling screw thread steel; the extension length of the finish rolling screw steel relative to the composite beam and/or the lower joist can be adjusted by nuts. The problem that appears easily in the current suspension pipe gallery that lifts can be avoided to the structure is constituteed and can used repeatedly, easy dismounting.
Description
Technical Field
The application relates to the technical field of protection construction of major pipelines of subway stations, in particular to a pipeline in-situ suspension protection device.
Background
Before the construction of the subway station structure, the heavy pipeline is required to be protected, so that the pipeline is safe and controllable during the construction period of the structure. The construction of the protection of the major pipelines adopts a common and simple form of lifting and suspending, but is difficult to implement in the space with uneven elevation pipelines and narrow structural clearance, in addition, in the actual use process, the whole system adopts a large number of welding, the welding seams adopt vertical welding seams, and the shearing force is applied and the stability of the steel plate is poor.
The embedded part cannot be positioned accurately in the construction process, and if the embedded part has deviation, the stress condition of the whole system is seriously affected.
When the lifting suspension system is dismantled, the materials are required to be completely cut off, and the embedded parts are disposable and consume more.
Disclosure of Invention
The utility model aims at providing a pipeline normal position suspends protection device in midair can avoid the problem that appears easily in the current suspension pipe gallery of lifting to the structure is constituteed and can used repeatedly, easy dismounting.
In order to achieve the above object, the present utility model provides a pipeline in-situ suspension protection device, comprising: the support truss comprises beret beams, wherein a combined beam is arranged on the support truss, finish rolling deformed steel bars are hung on the combined beam in a penetrating manner, and the finish rolling deformed steel bars extend into a foundation pit and are connected to a lower joist for bearing a pipeline;
nuts are arranged at the top of the combined beam and the bottom of the lower joist in a split mode, the top of the finish rolling screw thread steel extends upwards from the combined beam, the bottom of the finish rolling screw thread steel extends downwards from the lower joist, and the nuts are respectively connected to the extending parts of the finish rolling screw thread steel;
the extension length of the finish rolled deformed steel bar relative to the composite beam and/or the lower joist can be adjusted by nuts.
In an alternative embodiment, the pipeline comprises a power tunnel, the bailey beams comprise a plurality of bailey beams, the bailey beams are uniformly distributed along the power tunnel at intervals, and the installation surface of each bailey beam is perpendicular to the extending direction of the power tunnel.
In an alternative embodiment, the composite beam comprises two parallel beams, and the two composite beams overlap the top of the support truss.
In an alternative embodiment, the lower joists comprise a plurality of parallel arranged joists, and the plurality of lower joists are uniformly distributed at intervals at the bottom of the electric power tunnel.
In an alternative embodiment, the finish rolled screw steels include a plurality of sets corresponding to the lower joists, each set of the finish rolled screw steels being vertically disposed between the composite beam and the lower joist.
In an alternative embodiment, the composite beam includes double-spliced suspended i-beams and the lower joist includes double-spliced load-bearing i-beams, the suspended i-beams having a size greater than the load-bearing i-beams.
In an alternative embodiment, the composite girder includes two I56b I-beams and the lower joist includes two I56b I-beams.
In an alternative embodiment, the top of the foundation pit is provided with a concrete buttress for supporting the beret beam, the top of the concrete buttress is flush with the ground, wherein the concrete buttress on one side is arranged on the top crown beam of the enclosure pile, and the concrete buttress on the other side is arranged on the top crown beam of the temporary isolation pile.
In an alternative embodiment, the finish rolled deformed steel is phi 25 finish rolled deformed steel, the bailey beams are spaced apart by 3.6m, and the lower joists are spaced apart by 1.2m.
The integral suspension system formed by the set Bailey beams, the combination beams, the finish rolling screw steel and the lower joist can be repeatedly used, and the consumption of the steel plates and the steel sections buried in the fender piles and the isolation piles in one-time use is reduced.
The nuts are respectively connected to the extending parts of the finish rolling screw thread steel, which are formed by the top combined beam and the bottom lower joist, so that the fixing of the finish rolling screw thread steel can be realized, and all the stress is converted into vertical counterforces.
The extension length of the finish rolling screw steel relative to the combined beam and/or the lower joist can be adjusted through nuts, so that the height of the lower joist on the finish rolling screw steel can be adjusted, the lower joist can be distributed at the bottom of the finish rolling screw steel, and the pipeline can be integrally supported through the lower joist no matter how the bottom surface elevation of the required protection pipeline changes.
Additional features and advantages of the present application will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic side view of a pipeline in-situ suspension protection device;
fig. 2 is a schematic top view of the pipeline in-situ suspension protection device in the present application.
Icon:
1-bailey beam;
2-composite beams; 21-hanging I-steel;
3-finish rolling deformed steel bars;
4-lower joists; 41-bearing I-steel;
5-nuts;
6-electric power tunnel;
7-concrete piers;
8-guard piles;
9-temporary isolation piles.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The pipeline in-situ suspension protection device is mainly used for in-situ suspension protection of the heavy pipelines of the subway station, and particularly realizes the recycling of the protection device by changing the form of the protection structure, and meanwhile, the stress of the protection device is more uniform and stable, and potential safety hazards caused by poor stability are relieved.
Referring to fig. 1-2, the pipeline in-situ suspension protection device in the application performs in-situ suspension protection on a pipeline in a foundation pit, and specifically comprises a support truss formed by bailey beams 1, wherein a combined beam 2 is arranged on the support truss, finish rolling threaded steel 3 is suspended on the combined beam 2 in a penetrating manner, and the finish rolling threaded steel 3 extends into the foundation pit and is connected to a lower joist 4 for bearing the pipeline.
The suspension protection device comprises a combination beam 2 and a lower joist 4, wherein the combination beam 2 and the lower joist 4 are formed by a reusable Bailey beam 1, finish rolling deformed steel bars 3 and I-steel bars, and the whole device adopts an upper suspension mode for pipelines, so that all stress is changed into vertical counter force, the welding process is reduced, and the supporting effect of the pipelines can be ensured by encrypting the finish rolling deformed steel bars 3 and the lower joist 4. The material parts such as the bailey beam 1 can be reused, so that the material consumption and cost are reduced, and the construction difficulty is reduced.
The top of the composite beam 2 and the bottom of the lower joist 4 are respectively connected with nuts 5 in a split mode, the top of the finish rolling screw steel 3 extends upwards from the composite beam 2, the bottom of the finish rolling screw steel 3 extends downwards from the lower joist 4, the nuts 5 are respectively connected to the extending parts of the finish rolling screw steel 3, and the extending length of the finish rolling screw steel relative to the composite beam 2 and/or the lower joist 4 can be adjusted through the nuts 5 through the matched connection of the nuts 5 and the finish rolling screw steel 3.
Based on the support of the lower joist 4 to the pipeline and the connection of the nut 5 at the bottom of the lower joist 4 and the finish rolling screw thread steel 3, the nut 5 at the bottom of the lower joist 4 can intercept the lower joist 4 so as to fix the position of the lower joist 4, and the distance between the combination beam 2 and the lower joist 4 of the finish rolling screw thread steel 3 can be adjusted by combining the adjustment of the nut 5, so that the suspension position of the lower joist 4 at the finish rolling screw thread steel 3 is adjusted.
Further, the suspension height of the lower joist 4 relative to the combined beam 2 can be adjusted, and pipeline parts with different bottom surface heights can be suspended in a targeted manner through the distribution of the high and low positions of the lower joist 4, so that the protection requirements of different pipelines are met.
According to the pipeline in-situ suspension protection device, the lower joist 4 is stressed mainly by adjusting the nuts 5 of the finish-rolled screw steel 3, so that the existing potential safety hazard can be solved, all stresses are vertical stresses, the lower joist 4 transmits the bearing capacity to the finish-rolled screw steel 3, and then to the composite beam 2 and the support truss, and finally to pile foundations on two sides where the bailey beam 1 sits.
The pipeline includes the electric power tunnel 6 that has certain longitudinal length, and bailey beam 1 includes a plurality ofly, and follows electric power tunnel 6 interval equipartition, through a plurality of bailey beams 1 along electric power tunnel 6 interval equipartition, can carry out evenly distributed to electric power tunnel 6's top holding power to reinforcing support truss's overall structure stability.
By making the mounting surface of each bailey beam 1 perpendicular to the extending direction of the power tunnel 6, the supporting strength of the bailey beam 1 can be enhanced, thereby ensuring stable and reliable supporting strength.
In one specific embodiment, the composite beam 2 includes two parallel composite beams 2, the two composite beams 2 are lapped on the top of the supporting truss, the extending direction of the composite beams 2 is parallel to the extending direction of the power tunnel 6, and the plurality of groups of finish rolling deformed steel bars 3 connected to the composite beams 2 can suspend the lower joist 4 and the power tunnel 6 by lapping the composite beams 2 on the top of the supporting truss.
The lower joist 4 includes parallel arrangement's many, and many lower joists 4 interval equipartition is in the bottom of electric power tunnel 6, and the extending direction of lower joist 4 perpendicular to electric power tunnel 6's extending direction through the bottom with lower joist 4 bearing at electric power tunnel 6, can make lower joist 4 carry out effective bearing to electric power tunnel 6, combines multiunit finish rolling screw thread steel 3 and with the many lower joists 4 that every group finish rolling screw thread steel 3 corresponds, can carry out effective distribution to suspension stress, reinforcing suspension stability.
The finish rolled screw steels 3 in this embodiment include a plurality of sets corresponding to the lower joists 4, each set of the finish rolled screw steels 3 being vertically disposed between the composite girder 2 and the lower joist 4. The finish rolling deformed steel bar 3 can play a role in stress transmission, and the bearing capacity of the lower joist 4 is transmitted to the combined beam 2 of the supporting truss, so that the reliability of the stress transmission is ensured.
In order to ensure the suspension supporting and bottom bearing effect, the combined beam 2 comprises double-combined suspension I-steel 21, the lower joist 4 comprises double-combined bearing I-steel 41, and the structural strength of the combined beam 2 and the lower joist 4 can be enhanced through the double-combined I-steel.
Based on the two composite girders 2 for suspension support and the plurality of lower joists 4 for stress distribution, the size of the suspension joists 21 should be larger than the size of the bearing joists 41, preferably, the composite girders 2 comprise two I56b joists, and the lower joists 4 comprise two I56b joists, so that the composite girders 2 can output more stable suspension supporting force, and the bearing effect of the lower joists 4 is ensured.
From the angle that the suspension supporting force is finally transferred to the pile foundations on the two sides where the bailey beam 1 sits, the concrete piers 7 for supporting the bailey beam 1 are arranged at the top of the foundation pit, the tops of the concrete piers 7 are flush with the ground, the bailey beam 1 is convenient to fixedly mount on the concrete piers 7, the concrete piers 7 on one side are arranged on the top crown beams of the guard piles 8, and the concrete piers 7 on the other side are arranged on the top crown beams of the temporary isolation piles 9. The bailey beam 1 of the support truss can fully support the guard piles 8 and the temporary isolation piles 9 on site, thereby reducing the extra construction of the support pile foundation.
The finish rolled deformed steel bar 3 in the present utility model is a phi 25 finish rolled deformed steel bar 3, and a reliable torque transmission can be performed. The interval of the bailey beams 1 is 3.6m, the interval of the lower joists 4 is 1.2m, and the stable reliability of bearing can be ensured while the reliable supporting suspension is satisfied.
The pipeline in-situ suspension protection device is mainly used for protecting heavy pipelines such as the electric power tunnel 6 and the like in the early construction stage of a subway station structure.
The electric power tunnel 6 longitudinally spans the cover and digs a top plate structure, a suspension system is formed by the reinforced type Bailey beam 1, the finish rolling deformed steel bar 3 and the profile steel combined beam 2 during construction, in-situ suspension protection measures are carried out on the electric power tunnel 6, and the lower joist 4 distributes stress by adjusting the nut 5 of the finish rolling deformed steel bar 3. The whole adopts an upper suspension mode, the pile tops of the isolation piles and the guard piles 8 are utilized to bear, the suspension system is mainly a compression member from top to bottom, and the finish rolling deformed steel bars 3 bear vertical tension. The component is not easy to be unstable, the maximum fulcrum of the system is positioned at the pile top, and the stability and reliability are realized.
If the lower I-steel is locally unstable, the local finish rolling deformed steel bar 3 can be quickly encrypted, so that the overall safety of the power tunnel 6 is ensured. The transverse downward joist 4 only affects the range of the electric tunnel 6, and after the electric tunnel 6 is suspended and protected, the working space of the machine is reserved. The turnover rate of the material can reach more than 95%, the construction power consumption is reduced, and the economical efficiency is good.
After the cover plate construction and backfilling are completed, the system can be conveniently dismantled by loosening the finish rolling deformed steel bar 3 and the nut 5, and the dismantled bailey beam 1, I-steel and finish rolling steel can be reused. The whole construction process is convenient, and standardized operation is formed.
It should be noted that, without conflict, features in the embodiments of the present application may be combined with each other.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (9)
1. A pipeline in-situ suspension protection device, comprising: the support truss comprises beret beams, wherein a combined beam is arranged on the support truss, finish rolling deformed steel bars are hung on the combined beam in a penetrating manner, and the finish rolling deformed steel bars extend into a foundation pit and are connected to a lower joist for bearing a pipeline;
nuts are arranged at the top of the combined beam and the bottom of the lower joist in a split mode, the top of the finish rolling screw thread steel extends upwards from the combined beam, the bottom of the finish rolling screw thread steel extends downwards from the lower joist, and the nuts are respectively connected to the extending parts of the finish rolling screw thread steel;
the extension length of the finish rolled deformed steel bar relative to the composite beam and/or the lower joist can be adjusted by nuts.
2. The pipeline in-situ suspension protection device according to claim 1, wherein the pipeline comprises a power tunnel, the bailey beams comprise a plurality of bailey beams and are uniformly distributed at intervals along the power tunnel, and the installation surface of each bailey beam is perpendicular to the extending direction of the power tunnel.
3. The pipeline in-situ suspension protection device according to claim 1, wherein the composite beam comprises two parallel beams, and the two composite beams overlap the top of the support truss.
4. The pipeline in-situ suspension protection device according to claim 2, wherein the lower joists comprise a plurality of lower joists which are arranged in parallel, and the lower joists are uniformly distributed at intervals at the bottom of the power tunnel.
5. The pipeline in-situ suspension protection device of claim 1, wherein the finish rolled screw steels comprise a plurality of sets corresponding to the lower joists, each set of the finish rolled screw steels being vertically disposed between the composite and lower joists.
6. The pipeline in-situ suspension protection device of claim 1, wherein the composite beam comprises double-spliced suspension joists, the lower joist comprises double-spliced load-bearing joists, and the size of the suspension joists is larger than the size of the load-bearing joists.
7. The pipeline in-situ suspension protection device of claim 6, wherein the composite beam comprises two I56b I-beams and the lower joist comprises two I56b I-beams.
8. The pipeline in-situ suspension protection device according to claim 1, wherein a concrete buttress for supporting the beret beam is arranged at the top of the foundation pit, the top of the concrete buttress is flush with the ground, the concrete buttress on one side is arranged on a top crown beam of the fender pile, and the concrete buttress on the other side is arranged on a top crown beam of the temporary isolation pile.
9. The pipeline in-situ suspension protection device according to claim 1, wherein the finish rolled deformed steel is phi 25 finish rolled deformed steel, the interval between the bailey beams is 3.6m, and the interval between the under-beams is 1.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194614.5U CN220470845U (en) | 2023-08-15 | 2023-08-15 | Pipeline normal position suspends protection device in midair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194614.5U CN220470845U (en) | 2023-08-15 | 2023-08-15 | Pipeline normal position suspends protection device in midair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470845U true CN220470845U (en) | 2024-02-09 |
Family
ID=89773057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322194614.5U Active CN220470845U (en) | 2023-08-15 | 2023-08-15 | Pipeline normal position suspends protection device in midair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470845U (en) |
-
2023
- 2023-08-15 CN CN202322194614.5U patent/CN220470845U/en active Active
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