CN111336315A - Method for laying and installing plastic-coated steel pipes in concrete sleeve - Google Patents
Method for laying and installing plastic-coated steel pipes in concrete sleeve Download PDFInfo
- Publication number
- CN111336315A CN111336315A CN202010219839.XA CN202010219839A CN111336315A CN 111336315 A CN111336315 A CN 111336315A CN 202010219839 A CN202010219839 A CN 202010219839A CN 111336315 A CN111336315 A CN 111336315A
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- Prior art keywords
- steel
- steel pipes
- concrete
- plastic
- pipes
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Classifications
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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
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/032—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being continuous
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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
- F16L1/06—Accessories therefor, e.g. anchors
Abstract
A method for arranging and installing plastic-coated steel pipes in a concrete sleeve is characterized in that the steel pipes with the outer diameters of more than or equal to 800mm are arranged in the concrete pipe with the inner diameter of more than or equal to 2000mm, the steel pipes are water supply pipelines, and the outer layers of the water supply pipelines are coated with plastic, and the method comprises the following steps: a. the method comprises the following steps of manufacturing a plurality of roller supports, b, installing the roller supports outside the steel pipes, c, installing the steel pipes into the concrete pipes, d, supervising, checking and accepting the installation quality of the steel pipes, sealing the concrete pipes and the water supply pipelines of the steel pipes in a sand blowing mode after the steel pipes are completely installed in place and qualified in the installation quality of the steel pipes, and finishing the plastic-coated steel pipe arrangement and installation in the concrete sleeve. The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve has the advantages of accurate positioning of the steel pipes in the concrete sleeve, guaranteed pipeline construction quality, simple and convenient construction, shortened construction period, reduced on-site construction difficulty and safe and reliable construction.
Description
Technical Field
The invention relates to a steel pipe installation method, in particular to a method for arranging and installing plastic-coated steel pipes in a concrete sleeve.
Background
In the municipal water supply pipeline construction process, a weldable steel pipe pipeline (the outer diameter is 800mm) is often adopted, in the pipeline laying and installation process, the water supply pipeline is often laid under the existing road, under the condition that the original road is not allowed to be damaged, in order to ensure the installation quality of the pipeline and the subsequent maintenance convenience, the pipeline construction space under the road is often obtained by adopting a method of jacking a small-diameter concrete pipe (with the inner diameter of 2 mm) under the existing road, in addition, the passage section is longer, a water supply pipeline cannot be welded in a concrete sleeve, a steel pipe can only be sent into the concrete pipe after the welding of the steel pipe outside the concrete is finished, the plastic coating layer of the water supply pipeline cannot be damaged in the installation process, and the arrangement of the water supply pipeline is concentric with the concrete pipe pushed in, and after the pipeline is installed, a sand blowing mode is adopted between the concrete pipeline and the water supply pipeline to fill the gap between the concrete pipeline and the water supply pipeline. Therefore, the construction method for pipeline construction, which ensures that the water supply pipeline is concentric with the jacked concrete pipeline and can effectively ensure that the plastic coating layer of the pipeline is not damaged, has become a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a safe and reliable method for arranging and installing plastic-coated steel pipes in a concrete sleeve.
In order to achieve the purpose, the technical solution of the invention is as follows:
a method for arranging and installing plastic-coated steel pipes in a concrete sleeve is characterized in that the steel pipes with the outer diameters of more than or equal to 800mm are arranged in the concrete pipe with the inner diameter of more than or equal to 2000mm, the steel pipes are water supply pipelines, and the outer layers of the water supply pipelines are coated with plastic, and the method comprises the following steps:
a. making several roller supports
The roller wheel supports are designed and manufactured according to the diameters of the concrete pipe and the steel pipe and comprise anchor ears, a support base and two roller wheels, the anchor ears are steel plate circles formed by butt joint of an upper semicircular steel plate circle and a lower semicircular steel plate circle through respective connecting steel plates by bolts, the steel plate circles are used for clamping the steel pipe, the support base is arranged below the anchor ears, and the support base and the lower semicircular steel plate circle are fixedly welded to support the anchor ears; the two rollers are respectively arranged on two sides below the bracket base;
b. roller bracket mounted outside steel pipe
After the steel pipe is welded and the weld joint is subjected to anticorrosion treatment, connecting the steel pipe with the pipeline by using the roller bracket, so that the steel pipe is clamped by the hoop, and the distance between two adjacent roller brackets on the steel pipe is more than or equal to 4 m;
c. the steel pipe is installed in the concrete pipe
The steel pipe provided with the roller bracket is gradually transferred into the concrete pipe by rolling of the roller;
d. quality of installation of supervision, inspection and acceptance steel pipe
After the steel pipes are completely installed in place and the installation quality of the steel pipes is qualified after supervision and acceptance, the concrete pipes and the water supply pipelines of the steel pipes are sealed in a sand blowing mode, and plastic-coated steel pipes in the concrete sleeve are arranged and installed.
The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve can be further realized by adopting the following technical measures.
In the method, the steel plate circle is made of a steel plate with the thickness of more than or equal to 10 mm.
In the method, the upper semicircular steel plate ring and the lower semicircular steel plate ring are respectively provided with a rubber pad.
In the method, the thickness of the rubber pad is more than or equal to 1 mm.
In the method, the roller is a rubber wheel, and the diameter of the rubber wheel is more than or equal to 55 mm.
After the technical scheme is adopted, the method for arranging and installing the plastic-coated steel pipes in the concrete sleeve has the following advantages:
1. the steel pipe in the concrete sleeve is accurately positioned, and the construction quality of the pipeline is ensured;
2. the construction is simple and convenient, and the construction period is shortened;
3. the difficulty of site operation is reduced, and the construction is safe and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a roller bracket according to an embodiment of the present invention;
fig. 2 is a schematic view of a roller bracket according to an embodiment of the present invention in a use state.
In the figure: the concrete pipe comprises a steel pipe 1, a concrete pipe 2, a roller wheel support 3, a rubber wheel 4, a support base 5, a bolt 6, a hoop 7 and a rubber pad 8.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a method for arranging and installing plastic-coated steel pipes in a concrete sleeve, which is characterized in that the steel pipes with the outer diameter of 800mm are arranged in the concrete pipe with the inner diameter of 2000mm, the steel pipes are water supply pipelines, and the outer layers of the water supply pipelines are coated with plastic, and comprises the following steps:
a. and manufacturing a plurality of roller supports.
A plurality of roller supports 3 are designed and manufactured according to the diameters of the concrete pipe 2 and the steel pipe 1. Referring to fig. 1, fig. 1 is a schematic structural diagram of a roller bracket according to an embodiment of the invention. As shown in the figure, the roller support comprises an anchor ear 7, a support base 5 and two rollers, the anchor ear is a steel plate ring formed by butt-jointing an upper semicircular steel plate ring and a lower semicircular steel plate ring through respective connecting steel plates by bolts 6, the steel plate ring is used for clamping a steel pipe, the support base is arranged below the anchor ear, and the support base and the lower semicircular steel plate ring are fixedly welded to support the anchor ear; two gyro wheels set up respectively in support base below both sides, the gyro wheel is rubber wheel 4, and the diameter of rubber wheel is 55 mm. The steel plate circle is made of a steel plate with the thickness of 10 mm. The upper semicircular steel plate ring and the lower semicircular steel plate ring are respectively provided with a rubber pad 8, and the thickness of the rubber pad is 1 mm.
b. Roller bracket mounted outside steel pipe
After the steel pipe is welded and the weld joint is subjected to anticorrosion treatment, connecting the steel pipe with the pipeline by using the roller bracket to enable the hoop to clamp the steel pipe, wherein the distance between two adjacent roller brackets on the steel pipe is 4 m;
c. the steel pipe is installed in the concrete pipe
The steel pipe provided with the roller bracket is gradually transferred into the concrete pipe by rolling of the roller;
d. quality of installation of supervision, inspection and acceptance steel pipe
After the steel pipes are completely installed in place and the installation quality of the steel pipes is qualified after supervision and acceptance, the concrete pipes and the water supply pipelines of the steel pipes are sealed in a sand blowing mode, and plastic-coated steel pipes in the concrete sleeve are arranged and installed.
The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve has the advantages that the roller supports are arranged, so that the plastic-coated steel pipes in the concrete sleeve can be arranged and installed conveniently, the water supply pipeline and the jacked concrete pipeline are concentric, the plastic-coated layer of the pipeline can be effectively prevented from being damaged, the positioning quality of the steel pipes is improved, and the construction progress of pipeline installation is accelerated.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (5)
1. A method for arranging and installing plastic-coated steel pipes in a concrete sleeve is characterized in that the steel pipes with the outer diameters of more than or equal to 800mm are arranged in the concrete pipe with the inner diameter of more than or equal to 2000mm, the steel pipes are water supply pipelines, and the outer layers of the water supply pipelines are coated with plastic, and the method comprises the following steps:
a. making several roller supports
The roller wheel supports are designed and manufactured according to the diameters of the concrete pipe and the steel pipe and comprise anchor ears, a support base and two roller wheels, the anchor ears are steel plate circles formed by butt joint of an upper semicircular steel plate circle and a lower semicircular steel plate circle through respective connecting steel plates by bolts, the steel plate circles are used for clamping the steel pipe, the support base is arranged below the anchor ears, and the support base and the lower semicircular steel plate circle are fixedly welded to support the anchor ears; the two rollers are respectively arranged on two sides below the bracket base;
b. roller bracket mounted outside steel pipe
After the steel pipe is welded and the weld joint is subjected to anticorrosion treatment, connecting the steel pipe with the pipeline by using the roller bracket, so that the steel pipe is clamped by the hoop, and the distance between two adjacent roller brackets on the steel pipe is more than or equal to 4 m;
c. the steel pipe is installed in the concrete pipe
The steel pipe provided with the roller bracket is gradually transferred into the concrete pipe by rolling of the roller;
d. quality of installation of supervision, inspection and acceptance steel pipe
After the steel pipes are completely installed in place and the installation quality of the steel pipes is qualified after supervision and acceptance, the concrete pipes and the water supply pipelines of the steel pipes are sealed in a sand blowing mode, and plastic-coated steel pipes in the concrete sleeve are arranged and installed.
2. The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve according to claim 1, wherein the steel plate circles are made of steel plates with the thickness of more than or equal to 10 mm.
3. The method for installing and laying the plastic-coated steel pipes in the concrete sleeve according to claim 1, wherein the upper semicircular steel plate ring and the lower semicircular steel plate ring are respectively provided with a rubber pad.
4. The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve according to claim 3, wherein the thickness of the rubber mat is more than or equal to 1 mm.
5. The method for arranging and installing the plastic-coated steel pipes in the concrete sleeve according to claim 1, wherein the rollers are rubber wheels, and the diameter of each rubber wheel is not less than 55 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219839.XA CN111336315A (en) | 2020-03-25 | 2020-03-25 | Method for laying and installing plastic-coated steel pipes in concrete sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219839.XA CN111336315A (en) | 2020-03-25 | 2020-03-25 | Method for laying and installing plastic-coated steel pipes in concrete sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336315A true CN111336315A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010219839.XA Pending CN111336315A (en) | 2020-03-25 | 2020-03-25 | Method for laying and installing plastic-coated steel pipes in concrete sleeve |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079037A (en) * | 2020-09-11 | 2020-12-15 | 中国十七冶集团有限公司 | Auxiliary device for feeding steel pipe into long-distance sleeve and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204785045U (en) * | 2015-06-25 | 2015-11-18 | 天津市热电设计院有限公司 | Push pipe passes through to lay in engineering takes gyro wheel pipeline in sleeve pipe |
| CN105179807A (en) * | 2015-10-23 | 2015-12-23 | 中国水利水电第八工程局有限公司 | Moving device used for large steel pipe to penetrate through roadbed sleeve |
| CN207975323U (en) * | 2018-01-31 | 2018-10-16 | 中国华冶科工集团有限公司 | Pipeline drawing-in tool |
| CN109854813A (en) * | 2018-10-15 | 2019-06-07 | 中铁第四勘察设计院集团有限公司 | Pipe laying construction method and system in a kind of casing based on wheel-track type pipe collar |
| JP2020034062A (en) * | 2018-08-29 | 2020-03-05 | 日本鋳鉄管株式会社 | Propulsive force transmission device for earthquake-resistant pipe propulsion laying construction method |
-
2020
- 2020-03-25 CN CN202010219839.XA patent/CN111336315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204785045U (en) * | 2015-06-25 | 2015-11-18 | 天津市热电设计院有限公司 | Push pipe passes through to lay in engineering takes gyro wheel pipeline in sleeve pipe |
| CN105179807A (en) * | 2015-10-23 | 2015-12-23 | 中国水利水电第八工程局有限公司 | Moving device used for large steel pipe to penetrate through roadbed sleeve |
| CN207975323U (en) * | 2018-01-31 | 2018-10-16 | 中国华冶科工集团有限公司 | Pipeline drawing-in tool |
| JP2020034062A (en) * | 2018-08-29 | 2020-03-05 | 日本鋳鉄管株式会社 | Propulsive force transmission device for earthquake-resistant pipe propulsion laying construction method |
| CN109854813A (en) * | 2018-10-15 | 2019-06-07 | 中铁第四勘察设计院集团有限公司 | Pipe laying construction method and system in a kind of casing based on wheel-track type pipe collar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079037A (en) * | 2020-09-11 | 2020-12-15 | 中国十七冶集团有限公司 | Auxiliary device for feeding steel pipe into long-distance sleeve and using method |
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Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |