CN113757449A - Large-caliber uncompensated direct-buried pipeline laying device and construction method - Google Patents
Large-caliber uncompensated direct-buried pipeline laying device and construction method Download PDFInfo
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- CN113757449A CN113757449A CN202110868411.2A CN202110868411A CN113757449A CN 113757449 A CN113757449 A CN 113757449A CN 202110868411 A CN202110868411 A CN 202110868411A CN 113757449 A CN113757449 A CN 113757449A
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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
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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
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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
- F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a large-caliber uncompensated buried pipeline laying device and a construction method, wherein the large-caliber uncompensated buried pipeline laying device comprises the following steps: the device comprises a flat plate, a vertical plate and a displacement frame, wherein the flat plate is positioned on the bottom surface outside a groove, a groove is dug at the left end of the flat plate, the upper end of the vertical plate is hinged with the inner wall of the groove, the vertical plate is connected with the displacement frame in a sliding manner, the front end of the displacement frame is hinged with a movable plate, and a limit plate is arranged on the vertical plate below the displacement frame; rectangular through holes are dug in the two sides of the flat plate respectively, a wire guide wheel is arranged above the rectangular through holes, a first rope is arranged at the rear end of the displacement frame, and a second rope is arranged at the front end of the movable plate. The device is used for construction, the pipeline and the groove are prevented from being damaged, and the two ends of the flat plate, the top surface of the movable plate and the top surface of the limiting plate are respectively provided with the inclined surfaces, so that the pipeline can be conveniently placed down; the top surface through at the fly leaf sets up the gyro wheel, can treat the pipeline of transferring according to the position of butt joint pipeline and carry out local adjustment, has guaranteed construction quality, has reduced the damage rate of pipeline, has prolonged life.
Description
The technical field is as follows:
the invention relates to a pipe laying device for laying a pipeline, in particular to a large-diameter uncompensated directly-buried pipeline laying device and a construction method, and belongs to the technical field of pipeline construction.
Background art:
when laying heavy-calibre uncompensated buried pipeline, generally can unload the pipeline in advance subaerial in the outside both sides of slot, then the staff removes the pipeline to the ditch inslot that corresponds the position, when transferring the pipeline, generally adopts: firstly, the pipeline is moved into the groove by using the lifting appliance, and the method has the defects that the pipeline is easy to fall when being lifted and transported, unsafe factors exist, the pipeline is not easy to move once being placed in the groove, and the outer wall of the heat insulation layer can be rubbed and damaged if the pipeline is moved by means of the lifting appliance; secondly, directly pushing the pipeline into the groove by using a hopper of the excavator, wherein the method has the following defects: firstly, the inner walls of the two sides of the groove are easy to be damaged, so that excessive soil collapses into the groove; secondly, the pipeline directly falls into the groove, and the heat insulation layer of the pipeline is easily damaged or the outer wall of the pipeline is easily abraded.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the large-caliber uncompensated type direct-buried pipeline laying device and the construction method are provided, the pipeline can be safely and quickly placed into the groove, the outer wall of the pipeline is prevented from being damaged, and local adjustment can be performed according to the position of the butted pipeline.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a large-caliber uncompensated direct-buried pipeline laying device comprises a flat plate, a vertical plate and a displacement frame, wherein the flat plate is positioned on the bottom surface outside a groove, a groove is dug in the left end of the flat plate, the upper end of the vertical plate is hinged with the inner wall of the groove, the vertical plate is connected with the displacement frame in a sliding mode, the front end of the displacement frame is hinged with a movable plate, and a limiting plate is arranged on the vertical plate below the displacement frame; rectangular through holes are dug in two sides of the flat plate respectively, a wire guide wheel is arranged above the rectangular through holes, a first rope is arranged at the rear end of the displacement frame, and a second rope is arranged at the front end of the movable plate.
The rear surface of the lower part of the vertical plate is movably connected with a positioning arc plate.
Displacement grooves are respectively dug in two sides of the vertical plate, and two ends of the displacement frame are connected with the displacement grooves in a sliding mode through sliding blocks; the both ends of displacement frame are provided with first locating ring respectively, the one end and the first locating ring of first rope are connected, and the wire wheel is walked around to the other end of first rope to the winding is on the wire winding nail at rectangle through-hole rear, the upper end of first rope is provided with first bracelet.
The side of displacement frame is provided with the spreader, and the tip of spreader is provided with the upstand perpendicularly, dull and stereotyped side is provided with the hook, and the position of hook is corresponding with the position of spreader.
The upper end of the second rope is connected with a second bracelet.
The front end face of the flat plate, the top face of the movable plate and the top face of the limiting plate are all distributed in an inclined plane.
The top surface of the movable plate is dug to be provided with a positioning groove, and at least one roller moving transversely is arranged in the positioning groove.
The construction method of the large-caliber uncompensated direct buried pipeline laying device comprises the following steps:
firstly, placing a flat plate on the ground outside a groove, wherein the length of a vertical plate is determined according to the depth of the groove; determining the lengths of the first rope and the second rope according to the depth of the groove;
secondly, placing the bottom of the vertical plate on the ground of the groove to enable the vertical plate and the flat plate to form an included angle of 135 degrees; placing a heavy object on the flat plate, and pressing the right end of the flat plate tightly;
thirdly, moving the displacement frame to the upper part of the vertical plate by dragging the first rope and the second rope, hooking the transverse column by utilizing the hook, and fixing the displacement frame;
fourthly, two workers move the pipeline to be laid to the flat plate in front of the guide wheel, and the other worker drags the second rope to enable the movable plate to be upwarped and quickly move the pipeline to the movable plate;
fifthly, the worker respectively drags the first rope and the second rope and simultaneously removes the hook from the transverse column;
sixthly, slowly loosening the first rope and the second rope by a worker to enable the displacement frame and the movable plate to slowly descend until the displacement frame and the movable plate move to the position of the limiting plate, and slowly loosening the second rope by the worker until the pipeline moves to the bottom of the groove;
seventh, the worker throws the second rope into the groove, the worker in the groove winds the second rope around the pipeline, finally the second rope is hooked on the cross column or the vertical column, finally the worker outside the groove pulls the first rope, the displacement frame moves to the top of the vertical plate, and the pipeline is ready to be placed again;
when the pipeline is placed above the limiting plate, the pipeline on the movable plate can be moved locally along the transverse direction according to the position of the pipeline in the groove, so that later-stage welding construction is facilitated.
The invention has the following positive beneficial effects:
1. the two ends of the flat plate, the top surface of the movable plate and the top surface of the limiting plate are respectively provided with the inclined surfaces, so that the pipeline can be conveniently placed down; the top surface through at the fly leaf sets up the gyro wheel, can treat the pipeline of transferring according to the position of butt joint pipeline and carry out local adjustment, convenient to use, the flexible operation.
2. The first rope is arranged, so that the displacement frame can be conveniently pulled up and put down; through setting up the second rope, avoid the pipeline to fall from the fly leaf, play spacing effect.
3. According to the invention, the arc-shaped positioning plate is arranged on the back surface of the lower part of the vertical plate, and when a laid pipeline is arranged in the groove, the arc-shaped positioning plate is buckled on the pipeline in the groove, so that the pipeline in the groove can be prevented from being collided, and the vertical plate can be fixed.
4. The device is used for lowering the pipeline, so that the outer wall of the heat-insulating pipeline is prevented from being damaged, the service life of the pipeline is prolonged, the working efficiency is improved, and the device is easy to popularize.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings, in which:
example 1: referring to fig. 1, the large-caliber uncompensated buried pipeline laying device comprises a flat plate 1, a vertical plate 10 and a displacement frame 11, wherein the flat plate 1 is positioned on the bottom surface outside a groove, a groove is dug in the left end of the flat plate 1, the upper end of the vertical plate 10 is hinged with the inner wall of the groove, the vertical plate 10 is connected with the displacement frame 11 in a sliding manner, the front end of the displacement frame 11 is hinged with a movable plate 11, and a limit plate 18 is arranged on the vertical plate below the displacement frame 11; rectangular through holes 3 are dug in two sides of the flat plate 1 respectively, wire guide wheels 4 are arranged above the rectangular through holes 3, a first rope 6 is arranged at the rear end of the displacement frame 11, and a second rope 8 is arranged at the front end of the movable plate 15.
A positioning arc plate 20 is movably connected to the rear surface of the lower part of the vertical plate 10.
Displacement grooves are respectively dug on two sides of the vertical plate 1, and two ends of the displacement frame 11 are connected with the displacement grooves in a sliding mode through sliding blocks; the both ends of displacement frame 11 are provided with first retaining ring 14 respectively, and the one end and the first retaining ring 14 of first rope 6 are connected, and the wire wheel 4 is walked around to the other end of first rope 6 to the winding is on the winding nail 5 in 3 backs of rectangle through-hole, and the upper end of first rope 6 is provided with first hand ring 7.
The lateral surface of the displacement frame 11 is provided with a cross column 12, the end part of the cross column 12 is vertically provided with a vertical column 13, the lateral surface of the flat plate 1 is provided with a hook 9, and the position of the hook 9 corresponds to the position of the cross column 12.
The upper end of the second rope 8 is connected with a second handle 9.
The front end face of the flat plate 1, the top face of the movable plate 15 and the top face of the limit plate 18 are all distributed in an inclined plane.
A positioning groove 16 is dug on the top surface of the movable plate 15, and at least one roller moving transversely is arranged in the positioning groove 16.
In the above description, the length of the limiting plate is satisfied, and when the angle between the movable plate and the displacement frame is less than 180 °, the movable plate can gradually fall on the limiting plate until being parallel to the limiting plate.
In the above description, the position directly above the first positioning ring is located in the rectangular groove in front of the wire guide wheel.
In the above description, the winding nail is disposed behind the rectangular groove for winding the surplus rope around the winding nail.
In practical use, two ends and the middle of one pipeline are respectively provided with one device.
Example 2: the construction method of the large-caliber uncompensated direct buried pipeline laying device comprises the following steps: the embodiment is suitable for the number of rows of the laying pipelines in the groove is one;
firstly, placing the flat plate 1 on the ground outside a groove, wherein the length of the vertical plate 10 is determined according to the depth of the groove; determining the lengths of the first rope and the second rope according to the depth of the groove;
secondly, placing the bottom of the vertical plate 10 on the ground of the groove to enable the vertical plate 10 and the flat plate 1 to form a 135-degree included angle; placing a heavy object on the flat plate 1, and pressing the right end of the flat plate 1 tightly;
thirdly, moving the displacement frame to the upper part of the vertical plate 10 by dragging the first rope and the second rope, and hooking the transverse column 12 by using the hook 19, wherein the displacement frame 11 is fixed;
fourthly, two workers move the pipeline to be laid to the flat plate 2 in front of the guide wheel 4, and the other worker drags the second rope to enable the movable plate 15 to be upwarped and quickly move the pipeline to the movable plate 15;
fifthly, the worker respectively drags the first rope and the second rope and simultaneously removes the hook 19 from the transverse column 12;
sixthly, slowly loosening the first rope and the second rope by a worker to enable the displacement frame and the movable plate to slowly descend until the displacement frame and the movable plate move to the position of the limiting plate 18, and slowly loosening the second rope by the worker until the pipeline moves to the bottom of the groove;
seventh, the worker throws the second rope into the groove, the worker in the groove winds the second rope around the pipeline, finally the second rope is hooked on the cross column or the vertical column, finally the worker outside the groove pulls the first rope, the displacement frame moves to the top of the vertical plate, and the pipeline is ready to be placed again;
when the pipeline is placed above the limiting plate, the pipeline on the movable plate can be moved locally along the transverse direction according to the position of the pipeline in the groove, so that later-stage welding construction is facilitated.
Example 3:
the embodiment is suitable for the arrangement of the laying pipelines in the grooves, and the number of the rows is two; the step operation according to embodiment 2 is laid to first row pipeline, and when laying corresponding the second row pipeline, need set up the location arc board at the riser back, and the location arc board with lay the pipeline outer wall phase-match, the one end and the riser of location backplate articulate together.
During the use, place the riser bottom in the slot bottom to make the location arc can just in time detain and establish on the pipeline that has laid, the riser also can play fixed effect like this, and concrete operating procedure is as follows:
firstly, placing the flat plate 1 on the ground outside a groove, wherein the length of the vertical plate 10 is determined according to the depth of the groove; determining the lengths of the first rope and the second rope according to the depth of the groove;
secondly, placing the bottom of the vertical plate 10 on the ground of the groove, buckling a positioning arc plate on the outer wall of the laid pipeline, placing a heavy object on the flat plate 1, and pressing the right end of the flat plate 1 tightly;
thirdly, moving the displacement frame to the upper part of the vertical plate 10 by dragging the first rope and the second rope, and hooking the transverse column 12 by using the hook 19, wherein the displacement frame 11 is fixed;
fourthly, two workers move the pipeline to be laid to the flat plate 2 in front of the guide wheel 4, and the other worker drags the second rope to enable the movable plate 15 to be upwarped and quickly move the pipeline to the movable plate 15;
fifthly, the worker respectively drags the first rope and the second rope and simultaneously removes the hook 19 from the transverse column 12;
sixthly, slowly loosening the first rope and the second rope by a worker to enable the displacement frame and the movable plate to slowly descend until the displacement frame and the movable plate move to the position of the limiting plate 18, and slowly loosening the second rope by the worker until the pipeline moves to the bottom of the groove;
seventh, the worker throws the second rope into the groove, the worker in the groove winds the second rope around the pipeline, finally the second rope is hooked on the cross column or the vertical column, finally the worker outside the groove pulls the first rope, the displacement frame moves to the top of the vertical plate, and the pipeline is ready to be placed again;
when the pipeline is placed above the limiting plate, the pipeline on the movable plate can be moved locally along the transverse direction according to the position of the pipeline in the groove, so that later-stage welding construction is facilitated.
In actual operation, the vertical plate is made of an iron plate, in the whole construction process, a worker needs to drag the first rope and the second rope constantly and is matched with a constructor in the groove, the constructor in the groove can put the ropes and throw the second rope to an unmanned part of the groove;
but the pipeline is transferred to the limiting plate top, and the pipeline on the fly leaf can be adjusted according to the position of the pipeline mouth that has laid to the staff in the ditch inslot, makes two interfaces press close to as far as possible, avoids the later stage to need carry out removal by a wide margin to the pipeline, when removing by a wide margin, wastes time and energy, still can cause the damage to pipeline heat preservation layer outer wall.
When placing the flat board in the outside ground of slot, need inspect the soil property of slot edge, it is not hard up to avoid appearing the soil property, leads to the problem that the construction has the potential safety hazard.
In actual operation, the guide wheel is installed above the rectangular through hole through the vertical plate, and the height of the guide wheel is higher than the top of the winding nail.
The two ends of the flat plate, the top surface of the movable plate and the top surface of the limiting plate are respectively provided with the inclined surfaces, so that the pipeline can be conveniently placed down; the top surface through at the fly leaf sets up the gyro wheel, can treat the pipeline of transferring according to the position of butt joint pipeline and carry out local adjustment, convenient to use, the flexible operation.
Claims (8)
1. The utility model provides a heavy-calibre does not have compensation formula directly-buried pipeline laying device, includes flat board (1), riser (10) and displacement frame (11), its characterized in that: the flat plate (1) is positioned on the bottom surface outside the groove, a groove is dug in the left end of the flat plate (1), the upper end of the vertical plate (10) is hinged with the inner wall of the groove, a displacement frame (11) is connected onto the vertical plate (10) in a sliding mode, a movable plate (11) is hinged to the front end of the displacement frame (11), and a limiting plate (18) is arranged on the vertical plate below the displacement frame (11); rectangular through holes (3) are dug in two sides of the flat plate (1) respectively, a wire guide wheel (4) is arranged above the rectangular through holes (3), a first rope (6) is arranged at the rear end of the displacement frame (11), and a second rope (8) is arranged at the front end of the movable plate (15).
2. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 1, wherein: the rear surface of the lower part of the vertical plate (10) is movably connected with a positioning arc plate (20).
3. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 1, wherein: displacement grooves are respectively dug in two sides of the vertical plate (1), and two ends of the displacement frame (11) are connected with the displacement grooves in a sliding mode through sliding blocks; the both ends of displacement frame (11) are provided with first retaining ring (14) respectively, the one end and the first retaining ring (14) of first rope (6) are connected, and the other end of first rope (6) is walked around wire wheel (4) to the winding is on wire winding nail (5) at rectangle through-hole (3) rear, the upper end of first rope (6) is provided with first bracelet (7).
4. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 1, wherein: the side of displacement frame (11) is provided with spreader (12), and the tip of spreader (12) is provided with upstand (13) perpendicularly, the side of dull and stereotyped (1) is provided with hook (9), and the position of hook (9) and the position of spreader (12) are corresponding.
5. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 1, wherein: the upper end of the second rope (8) is connected with a second bracelet (9).
6. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 1, wherein: the front end face of the flat plate (1), the top face of the movable plate (15) and the top face of the limiting plate (18) are all distributed in an inclined plane.
7. The heavy caliber uncompensated direct buried pipelaying apparatus of claim 5, wherein: the top surface of the movable plate (15) is dug to be provided with a positioning groove (16), and at least one roller moving transversely is arranged in the positioning groove (16).
8. The method for constructing a large-caliber uncompensated buried pipeline laying device according to any one of claims 1 to 7, comprising the steps of:
firstly, placing a flat plate (1) on the ground outside a groove, wherein the length of a vertical plate (10) is determined according to the depth of the groove; determining the lengths of the first rope and the second rope according to the depth of the groove;
secondly, placing the bottom of the vertical plate (10) on the ground of the groove to enable the vertical plate (10) and the flat plate (1) to form a 135-degree included angle; placing a heavy object on the flat plate (1), and pressing the right end of the flat plate (1) tightly;
thirdly, the displacement frame is moved to the upper part of the vertical plate (10) by dragging the first rope and the second rope, and the transverse column (12) is hooked by the hook (19), and at the moment, the displacement frame (11) is fixed;
fourthly, two workers move the pipeline to be laid to the flat plate (2) in front of the guide wheel (4), and the other worker drags the second rope to enable the movable plate (15) to be upwarped and move the pipeline to the movable plate (15) quickly;
fifthly, the worker respectively drags the first rope and the second rope and simultaneously removes the hook (19) from the transverse column (12);
sixthly, slowly loosening the first rope and the second rope by a worker to enable the displacement frame and the movable plate to slowly descend until the displacement frame and the movable plate move to the position of the limiting plate (18), and slowly loosening the second rope by the worker until the pipeline moves to the bottom of the groove;
seventh, the worker throws the second rope into the groove, the worker in the groove winds the second rope around the pipeline, finally the second rope is hooked on the cross column or the vertical column, finally the worker outside the groove pulls the first rope, the displacement frame moves to the top of the vertical plate, and the pipeline is ready to be placed again;
when the pipeline is placed above the limiting plate, the pipeline on the movable plate can be moved locally along the transverse direction according to the position of the pipeline in the groove, so that later-stage welding construction is facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868411.2A CN113757449B (en) | 2021-07-30 | 2021-07-30 | Construction method of large-caliber uncompensated directly buried pipeline laying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868411.2A CN113757449B (en) | 2021-07-30 | 2021-07-30 | Construction method of large-caliber uncompensated directly buried pipeline laying device |
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| CN113757449A true CN113757449A (en) | 2021-12-07 |
| CN113757449B CN113757449B (en) | 2023-02-24 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2123147C1 (en) * | 1996-09-10 | 1998-12-10 | Научно-производственное предприятие "Август" | Device for withdrawal of pipe line from ground |
| US20150191222A1 (en) * | 2014-01-07 | 2015-07-09 | Reel Power Licensing Corp. | Method of Motion Compensation with Synthetic Rope |
| CN109780323A (en) * | 2019-03-06 | 2019-05-21 | 广东省建筑工程机械施工有限公司 | A kind of pipeline auxiliary installation device and its application method |
| CN211901796U (en) * | 2020-04-14 | 2020-11-10 | 王鹏 | A pipeline erection equipment for in aspect of chemical industry petroleum |
| CN112797228A (en) * | 2021-01-26 | 2021-05-14 | 北京诺和兴建设工程有限公司 | Seismic-isolation laying method for water conservancy pipeline |
| CN112942540A (en) * | 2021-02-04 | 2021-06-11 | 鸿川建设工程有限公司 | Municipal pipeline construction device and construction method |
| CN113006240A (en) * | 2021-03-31 | 2021-06-22 | 新乡市市政设施维护中心 | Municipal road sewer pipeline construction equipment and method |
-
2021
- 2021-07-30 CN CN202110868411.2A patent/CN113757449B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2123147C1 (en) * | 1996-09-10 | 1998-12-10 | Научно-производственное предприятие "Август" | Device for withdrawal of pipe line from ground |
| US20150191222A1 (en) * | 2014-01-07 | 2015-07-09 | Reel Power Licensing Corp. | Method of Motion Compensation with Synthetic Rope |
| CN109780323A (en) * | 2019-03-06 | 2019-05-21 | 广东省建筑工程机械施工有限公司 | A kind of pipeline auxiliary installation device and its application method |
| CN211901796U (en) * | 2020-04-14 | 2020-11-10 | 王鹏 | A pipeline erection equipment for in aspect of chemical industry petroleum |
| CN112797228A (en) * | 2021-01-26 | 2021-05-14 | 北京诺和兴建设工程有限公司 | Seismic-isolation laying method for water conservancy pipeline |
| CN112942540A (en) * | 2021-02-04 | 2021-06-11 | 鸿川建设工程有限公司 | Municipal pipeline construction device and construction method |
| CN113006240A (en) * | 2021-03-31 | 2021-06-22 | 新乡市市政设施维护中心 | Municipal road sewer pipeline construction equipment and method |
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| Publication number | Publication date |
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| CN113757449B (en) | 2023-02-24 |
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