CN107131355B - Method and device for replacing large-diameter overhead pipeline - Google Patents
Method and device for replacing large-diameter overhead pipeline Download PDFInfo
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- CN107131355B CN107131355B CN201710375868.3A CN201710375868A CN107131355B CN 107131355 B CN107131355 B CN 107131355B CN 201710375868 A CN201710375868 A CN 201710375868A CN 107131355 B CN107131355 B CN 107131355B
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- pipeline
- caliber
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- door
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/0243—Laying or reclaiming pipes on land, e.g. above the ground above ground
- F16L1/0246—Laying or reclaiming pipes on land, e.g. above the ground above ground at a certain height off the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention provides a method for replacing a large-caliber overhead pipeline, which is characterized by comprising the following steps: step S1, installing a door-shaped bracket on the original pipeline bracket; step S2, installing a Bailey frame on the door-shaped bracket; step S3, installing a hanger on the bailey truss; and step S4, hoisting the large-caliber pipeline, and reversely hoisting the small pipeline and the cable bridge carried on the large-caliber pipeline by using the hoisting frame. The method provided by the invention meets the construction operation of replacing the large-caliber overhead pipeline with a complex environment on line, guarantees the construction safety and the working efficiency of pipeline hoisting to a certain extent, effectively solves the conflict problem of safe production and on-line construction operation, is simple and rapid to manufacture, and effectively saves the construction period and the construction cost. In addition, a device for replacing the large-caliber overhead pipeline is also provided and applied to the method.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method and a device for replacing a large-caliber frame hole pipeline.
Background
At present, when an online overhead large-caliber pipeline is constructed and replaced in a production area, the construction environment is complex, other small pipelines of various types and cable bridges can be borne on the replaced pipeline, other large pipelines laid in parallel are arranged beside the pipeline, and effective measures are taken to protect and fix the original borne pipeline and the original borne cable during construction so as to prevent normal production operation from being influenced.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for replacing a large-caliber overhead pipeline, which aims to solve the above problems.
In one aspect, the present invention provides a method for replacing a large-caliber overhead pipeline, comprising:
step S1, installing a door-shaped bracket on the original pipeline bracket;
step S2, installing a Bailey frame on the door-shaped bracket;
step S3, installing a hanger on the bailey truss;
and step S4, hoisting the large-caliber pipeline, and reversely hoisting the small pipeline and the cable bridge carried on the large-caliber pipeline by using the hoisting frame.
Further, in the method for replacing the large-caliber overhead pipeline, the door-shaped bracket is arranged at the end part of the large-caliber pipeline, and the bailey bracket is positioned right above the small pipeline borne by the large-caliber pipeline and the cable bridge.
Further, in the method for replacing the large-caliber overhead pipeline, the bailey frames are single-layer three-row bailey frames, and the bailey frames are connected with the door-shaped support through the clamp and the bolts.
Further, in the method for replacing the large-caliber overhead pipeline, the hanger is a turn buckle.
Further, in the method for replacing the large-caliber overhead pipeline, the door-shaped bracket is made of profile steel and channel steel.
The invention has the beneficial effects that: the construction operation of replacing the large-diameter overhead pipeline with a complex environment on line is met, the construction safety and the working efficiency of pipeline hoisting are guaranteed to a certain extent, the conflict problem of safety production and on-line construction operation is effectively solved, the support combination is simple and rapid to manufacture, and the construction period and the construction cost are effectively saved.
On the other hand, the invention also provides a device for replacing the large-caliber overhead pipeline, which comprises the large-caliber pipeline and a support frame, and is characterized in that the support frame comprises a support rod, a connecting rod and an inclined strut, the support rod and the connecting rod form a rectangular frame in a surrounding mode, and the inclined strut is connected with the rectangular frame; the support rod, the connecting rod and the inclined strut are connected with the large-caliber pipeline.
Further, the device for replacing the large-caliber overhead pipeline is characterized in that the rectangular frame is provided with a fixing device for fixing the small pipeline.
Further, the device for replacing the large-caliber overhead pipeline is characterized in that a plurality of groups of support frames are arranged on the large-caliber pipeline.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a side view of an embodiment of the present invention
FIG. 2 is a front view of an embodiment of the present invention
Wherein: 101. pipeline bracket 102, roadbed box 1, portal bracket 2, bailey bracket 3, large-caliber pipeline 4, hanger 5, temporary support 6, small pipeline 7, support rod 8, connecting rod 9, cable bridge rack
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Firstly, a door-shaped support 1 is installed on an original pipeline support 101, the door-shaped support is made of HW300 x 200 x 8 x 12 section steel and [10 channel steel, then single-layer three-row Bailey frames 2 are respectively arranged according to the span of the pipeline support and installed on the door-shaped support, each Bailey frame is a steel frame adopting a certain unit, steel truss unit pieces which are spliced and combined are composed of a truss, wedges, safety bolts, reinforcing chords, longitudinal and transverse beams, chord bolts, truss bolts and the like, and the size of a single piece is 1500 x 3000. The structural member of each unit is formed by splicing and welding two groups of unit piece channel steel, then each unit piece is spliced into a whole, the required span is combined as required and serves as a construction operation platform and a stress platform, the width of a single-layer Bailey frame adopted in construction is 450mm, and the width of three rows of single-layer Bailey frames is 1350 mm. The Bailey frames and the door-shaped supports are connected with bolts through movable fixtures, after the arrangement is completed, hangers 4 are arranged on the Bailey frames according to the distance between small pipelines 6 borne on the large-diameter pipelines 3 and the supports of the cable bridge 9, the hangers are connected through phi 24 turnbuckles, the heights of the hangers are adjusted by utilizing lead screws of the hangers to stretch and retract, and the original small pipelines 6 and the original cable bridge 9 are hung reversely to play a role in protection.
The door-shaped support is arranged at the end part of the large-caliber pipeline, and the bailey bracket is positioned right above the small pipeline borne by the large-caliber pipeline and the cable bridge.
In order to increase the stability of the support in the process of replacing the large-diameter pipeline, a temporary support 5 fixed on the ground is arranged below the door-shaped support, and in order to increase the stress area and avoid the instability of the whole support frame caused by collapse, a roadbed box 102 is arranged at the bottom of the temporary support frame.
In order to protect other types of small pipelines and cable bridges when a large-caliber pipeline is replaced, the device for replacing the large-caliber overhead pipeline comprises a large-caliber pipeline 3 and a support frame, and is characterized in that the support frame comprises a support rod 7, a connecting rod 8 and an inclined strut 10, the support rod and the connecting rod form a rectangular frame in a surrounding mode, and the inclined strut is connected with the rectangular frame; the support rods, the connecting rods and the inclined struts are welded on the large-diameter pipeline, and the rectangular frame is used for protecting other types of small pipelines and cable bridges, so that the small pipelines and the cable bridges need to be placed in the rectangular frame.
In order to strengthen the stability of the small pipeline, a fixing device for fixing the small pipeline is arranged on the rectangular frame.
In order to ensure the safety effect, a plurality of groups of supporting frames can be arranged on the large-caliber pipeline to be used as reinforced protection.
In the transformation project of the BFG main pipe of the Bao steel weft three-way coke oven, the technical scheme provided by the invention is applied to the construction of online replacement of the BFG pipeline along the weft three-way line, the conflict problem of safe production and online construction operation during construction is effectively solved, and compared with the traditional measure of adopting temporary construction protection truss manufacturing, the five-day time and 30% of cost are saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. A method for replacing a large-caliber overhead pipeline is characterized by comprising the following steps:
step S1, a door-shaped support is arranged on an original pipeline support and at the end part of a large-diameter pipeline, a temporary support frame fixed on the ground is arranged below the door-shaped support, and a roadbed box is arranged at the bottom of the temporary support frame;
step S2, respectively arranging single-layer three-row Bailey frames on the door-shaped bracket according to the span of the pipeline bracket, and enabling the Bailey frames to be positioned right above the small pipeline and the cable bridge carried by the large-caliber pipeline;
step S3, installing hangers on the Bailey frames according to the distance between the small pipeline borne on the large-caliber pipeline and the cable bridge support frame, wherein the hangers are connected by adopting turn-key bolts; welding a plurality of groups of support frames on the large-caliber pipeline, wherein each support frame comprises a support rod, a connecting rod and an inclined strut, the support rods and the connecting rods form a rectangular frame in an enclosed mode, the inclined struts are connected with the rectangular frame, a fixing device used for fixing the small pipeline is arranged on the rectangular frame, and the small pipeline borne by the large-caliber pipeline and the cable bridge are placed in the rectangular frame;
and step S4, hoisting the large-caliber pipeline, utilizing a screw rod of the turn buckle to telescopically adjust the height of the hanging bracket, and reversely hanging the small pipeline borne by the large-caliber pipeline and the cable bridge by the hanging bracket.
2. The method for replacing a large-caliber overhead pipeline according to claim 1, wherein the bailey frames are single-layer three-row bailey frames, and the bailey frames are connected with the door-shaped brackets through clamps and bolts.
3. The method for replacing a large-caliber overhead pipeline according to claim 1, wherein the gate bracket is made of steel sections and channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375868.3A CN107131355B (en) | 2017-05-24 | 2017-05-24 | Method and device for replacing large-diameter overhead pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375868.3A CN107131355B (en) | 2017-05-24 | 2017-05-24 | Method and device for replacing large-diameter overhead pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131355A CN107131355A (en) | 2017-09-05 |
| CN107131355B true CN107131355B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710375868.3A Active CN107131355B (en) | 2017-05-24 | 2017-05-24 | Method and device for replacing large-diameter overhead pipeline |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202501104U (en) * | 2012-04-11 | 2012-10-24 | 北京盈川电力科技有限公司 | Culvert cable bracket |
| NL1040892B1 (en) * | 2014-07-16 | 2016-08-16 | Beele Eng Bv | System for holding in a conduit cables or ducts with different diameters. |
| CN203963265U (en) * | 2014-07-21 | 2014-11-26 | 青岛建安建设集团有限公司 | Pipeline layout support |
| CN104178595B (en) * | 2014-09-12 | 2016-01-20 | 山东莱钢建设有限公司 | The replacing options of steelshop cleaning shaft |
| CN204387498U (en) * | 2014-11-26 | 2015-06-10 | 北京国电德安电力工程有限公司 | Longspan aerial pipeline is from crossover device |
| CN105604064A (en) * | 2015-12-21 | 2016-05-25 | 广州机施建设集团有限公司 | Construction method of comprehensive pipeline protection system supporting system |
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2017
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| CN107131355A (en) | 2017-09-05 |
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