CN110541966B - Auxiliary equipment for jacking pipe joint in narrow space and application method thereof - Google Patents
Auxiliary equipment for jacking pipe joint in narrow space and application method thereof Download PDFInfo
- Publication number
- CN110541966B CN110541966B CN201910796293.1A CN201910796293A CN110541966B CN 110541966 B CN110541966 B CN 110541966B CN 201910796293 A CN201910796293 A CN 201910796293A CN 110541966 B CN110541966 B CN 110541966B
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- pipe joint
- jacking
- auxiliary equipment
- pipe
- iron
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- 238000000034 method Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 111
- 229910052742 iron Inorganic materials 0.000 claims abstract description 52
- 238000010276 construction Methods 0.000 claims abstract description 38
- 239000002689 soil Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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
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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
The invention discloses auxiliary equipment for jacking a pipe joint in a narrow space and a use method thereof, wherein the auxiliary equipment is sleeved on the outer side of the pipe joint and is matched with a jacking pick for use, the auxiliary equipment is in a groove body frame structure and comprises a front jacking iron, a rear jacking iron and a pull belt, the front jacking iron is sleeved on the pipe section of the pipe joint and is arched, the auxiliary equipment comprises an arched ring and a top plate welded on the outer sides of two arch legs of the arched ring, the plate surface of the top plate is perpendicular to the central axis of the pipe joint, the size of the arched ring is larger than that of the pipe joint, the rear jacking iron is sleeved on the rear end surface of the pipe joint and is in a ring shape, the ring size is matched with the size of the rear side surface of the pipe joint, the pull belt is two and is tightly clung to the two sides of the pipe section of the pipe joint, the front end is welded on the inner side surface of the front jacking iron, and the rear end is welded on the outer side surface of the rear jacking iron. The invention effectively reduces the size of the starting well in the pipe jacking construction technology, obviously shortens the construction period while reducing the cost, has the advantages of easily available manufacturing materials, simple manufacturing process, simple structure, portability, durability, convenient use, low cost and strong universality and popularization.
Description
Technical Field
The invention relates to the field of pipe jacking construction, in particular to auxiliary equipment for jacking pipe joints in a narrow space and a using method thereof.
Background
With the innovation of technology and the high-speed development of economy, urban high-rise buildings are continuously emerging at all corners of all large cities, and an unlimited number of underground comprehensive pipe network projects are generated. The construction of various pipe networks brings great convenience to people in life. At present, the urban pipe network engineering construction method has evolved from the original excavation construction to non-excavation or less excavation construction, and the increasingly-increased construction method changes the appearance of cities, so that people feel more comfortable and warm in the cities, and the economic loss caused by secondary excavation of the pavement is greatly reduced. At present, the main construction methods of small excavation or no excavation in China comprise the following steps: firstly, manual pipe jacking construction; secondly, mechanical jacking pipe construction; thirdly, shield construction and three construction methods have advantages and disadvantages, wherein the three main modes have the advantages that traffic is not required to be blocked, the interference to the traffic is less because the underground construction is carried out, compared with excavation construction, the construction period is greatly shortened, the construction noise pollution is reduced, and the environmental influence and harm caused by excavation of large-size foundation pits and well-point precipitation by an open cut method can be obviously reduced by a pipe jacking method. The manual pipe jacking construction method is suitable for construction of large-face and large-pipe-diameter pipelines; the mechanical pipe jacking construction is suitable for the construction of pipelines with smaller pipe diameters; the shield construction method is generally applied to soft water-bearing stratum, has certain application in construction of tunnels and the like under relatively homogeneous conditions, and requires enough burial depth, and the earthing depth is preferably less than 6m. Based on the above three non-excavation or less-excavation construction methods, different construction methods are adopted in different construction environments, and considering the limitation of dense urban groups and construction geographic positions, the size of a construction well is often limited by a plurality of factors in pipe jacking construction, so that the size of the construction well is further reduced on the basis of the prior art, and the method is particularly important for the application and popularization of pipe jacking technology. At present, pipe jacking construction in a narrow space becomes an important content to be studied in municipal industry. CN202082490U discloses a reverse push bench, which comprises a machine head, a rear seat, a main push oil pump and a concrete pipe, and has the advantages that the reverse push bench adopts a reverse push working method, which can greatly reduce the size of a working well, but the reverse push bench has relatively complex structure, inconvenient manufacture, integrated combined structure, heavier equipment and inconvenient construction in a narrow underground space.
Disclosure of Invention
The invention aims to provide auxiliary equipment for jacking a pipe joint in a narrow space and a use method thereof, so as to solve the problems that the effective construction in the narrow space is difficult, the difficulty in manufacturing and popularization is high, the equipment is heavy in weight, the construction is inconvenient and the like in the prior art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the pipe joint jacking auxiliary equipment is sleeved outside the pipe joint and matched with a jacking pick to be used, is of a groove body frame structure and comprises a front jacking iron, a rear jacking iron and a pull belt;
the front top iron is sleeved on the pipe section pipe body section and is arched, the front top iron comprises an arched ring and a top plate welded on the outer sides of two arch legs of the arched ring, the plate surface of the top plate is perpendicular to the central axis of the pipe section, and the size of the arched ring is larger than that of the pipe section;
the rear top iron is sleeved on the rear end surface of the pipe joint and is in a ring shape, and the size of the ring is matched with the size of the rear side surface of the pipe joint;
the two pull belts are arranged and cling to two sides of the pipe section pipe body section, the front end of the pull belt is welded on the inner side surface of the front top iron, and the rear end of the pull belt is welded on the outer side surface of the rear top iron.
Preferably, the bracket is horizontally arranged at the contact part of the front top iron and the pull belt and is triangular, and two edges are respectively welded at the upper edge of the top plate and the outer side surface of the pull belt.
Preferably, the length of the drawstring is matched with the initial length of the top pick.
Preferably, the outer side surface of the pull belt is correspondingly welded with a stiffening plate.
Preferably, the roof welds in the trailing flank of arch ring arch foot, with arch ring trailing flank parallel and level, evenly welds a plurality of stiffening ribs between roof leading flank and the lateral surface of arch ring arch foot, the stiffening rib level sets up, is right angle triangle shape.
Preferably, at least three stiffening ribs are welded to the front side of each top plate.
Preferably, the front top iron and the top end of the rear top iron are correspondingly welded with hanging rings.
Preferably, the small-space lower pipe joint jacking auxiliary equipment is welded by steel.
In addition, the invention also provides a use method of the auxiliary equipment for pushing the pipe joint in the narrow space, which comprises the following steps:
step one, equipment installation: a guide rail is erected in the starting well, a cross iron rear seat is arranged on the rear wall, and a hydraulic cylinder top pick is erected;
step two, hanging the first pipe: hoisting the first section of pipe joint into a guide rail in the well through a hoisting device;
step three, hanging auxiliary equipment in and installing: hoisting auxiliary equipment into the well through a hoisting device, and installing the auxiliary equipment to the outer side of the pipe joint as a hoop;
step four, fine adjustment of equipment: adjusting the mounting position of the top pick to enable the top pick to be aligned with the top plate, and ensuring that the acting force point of the top pick is positioned at the top plate of the front section of the pipeline;
step five, jacking a head pipe: jacking the pipe joint into the designed position of the soil body by means of the jacking pick thrust;
stopping jacking and retracting the jacking pick: stopping jacking when the front jacking iron is 10cm away from the soil body, and retracting the jacking pick to an initial position;
step seven, lowering a pipe joint and connecting pipes: removing auxiliary equipment by means of a lifting device, hanging the auxiliary equipment into the next section of pipe joint, performing pipe connection treatment on the butt joint position of the pipe joint, installing the auxiliary equipment on the newly-hung pipe joint by means of the lifting device, continuously jacking, and repeating the steps six and seven;
step eight, jacking a front tail pipe: stopping jacking when the front jacking iron installed on the last section of pipe joint is 10cm away from the soil body;
step nine, auxiliary equipment is hung: removing the auxiliary equipment and hoisting the auxiliary equipment out of the originating well by means of a hoisting device;
step ten, equipment adjustment: adjusting the position of the top pick to the right rear of the pipe joint;
step eleven, jacking a tail pipe at the rear section: and adjusting the acting point of the jacking pick to the rear end of the last section of pipe joint, jacking the last section of pipe joint into the soil body.
Step twelve, equipment dismantling: and (5) sequentially removing the equipment in the originating well according to the safety construction standard.
Compared with the prior art, the invention has the technical advantages that:
1. the top pick force application point is moved forwards from the rear end of the pipe joint, so that the top pick and the pipe joint are transversely arranged side by side, the excavation size of an originating well is reduced, the well completion cost is greatly saved, the land occupation area is reduced, and the construction period is remarkably shortened;
2. the manufacturing materials are easy to obtain, the manufacturing process is simple, the practical value is high, and the popularization is strong;
3. simple structure, portability, durability, convenient use and strong universality.
Drawings
The foregoing and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the invention, wherein:
FIG. 1 is a schematic structural view of a pipe joint jacking auxiliary device in a narrow space;
FIG. 2 is a schematic diagram of an installation system of pipe joint jacking auxiliary equipment in a narrow space;
fig. 3 is a schematic diagram of an installation system of the prior art jacking pipe.
Reference numerals: 1-front top iron, 1.1-arched ring, 1.2-top plate, 1.3-stiffening rib, 2-rear top iron, 3-drawstring, 3.1-stiffening plate, 4-bracket, 5-hanging ring, 6-top pick and 7-pipe joint.
Detailed Description
Hereinafter, an embodiment of a small-space pipe joint jacking auxiliary device and a method of using the same of the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front", "rear", "inner", "outer", "top", "bottom", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present invention, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present invention are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present invention. The preferred embodiment of the present invention is described in further detail below in conjunction with fig. 1-3:
as shown in figures 1-2, the preferred auxiliary equipment for jacking a pipe joint in a narrow space is sleeved outside a concrete pipe joint 7 with the external radius of 40cm, is matched with a jacking pick 6 to be used, is in a groove body frame structure, and is formed by welding Q235 steel, and comprises a front jacking iron 1, a rear jacking iron 2 and a pull belt 3;
the front top iron 1 is sleeved on the pipe section 7 and is arched, and comprises an arched ring 1.1 and a top plate 1.2 welded on the outer sides of two arch legs of the arched ring 1.1, wherein the arched ring 1.1 is manufactured by cutting an annular top iron with the inner side radius of 62.5cm and the thickness of 10cm, the height of the arched ring 1.1 after the cutting is 112cm, the size of the inner space of the front top iron 1 is slightly larger than that of the pipe section 7, the equipment is convenient to install and dismantle, the top plate 1.2 is welded on the rear side surface of the arch leg of the arched ring 1.1, the back side surface of the arched ring 1.1 is flush, the plate surface of the top plate is perpendicular to the central axis of the pipe section 7, three stiffening ribs 1.3 are uniformly welded between the front side surface of the top plate 1.2 and the outer side surface of the arch leg of the arched ring 1.1, the stiffening ribs 1.3 are horizontally arranged and are in a right-angle triangle shape, and the top plate 1.2 and the stiffening ribs 1.3 are manufactured by adopting 2cm thick steel plates;
the rear top iron 2 is sleeved on the rear end surface of the pipe joint 7 and is in a ring shape, is made of an annular top iron with the inner radius of 40cm and the thickness of 10cm, has the same inner diameter as the outer diameter of the pipe joint 7, can be tightly attached to the outer wall of the pipe joint 7 after being installed, and is used for limiting and protecting the pipe joint 7 so as to ensure that the pipe joint 7 is stable and does not shake in the jacking process;
the two pull belts 3 are made of steel plates of 222cm multiplied by 59cm multiplied by 2cm, two sides of a pipe body section of a pipe joint 7 are tightly attached, the front end of each pull belt 3 is welded on the inner side surface of a front top iron 1, the rear end of each pull belt is welded on the outer side surface of a rear top iron 2, two welding seams are uniformly arranged between each pull belt 3 and the front top iron 1 and the rear top iron 2 respectively, 502 welding rods are adopted as welding rods, the length of each welding seam is not less than 10cm, the thickness of each welding seam is not less than 2cm, the gap between each pull belt 3 and the front top iron 1 as well as between the pull belt 3 and the rear top iron 2 is strictly forbidden for slag welding, in order to ensure the stability of the pull belt 3, the strength and the welding seam strength are calculated for designing the size of the pull belt 3, the jacking resistance fp=1452 KN of the pull belt 3, the cross section of the pull belt 3 is A, the cross section tensile stress of the pull belt 3 is Fp/(2A) =1452/(0.02 m multiplied by 0.59m multiplied by 2) </Q235 steel allowable tensile stress, the welding seam is allowed to be born by the steel material, and the tensile strength of each welding seam is equal to or less than 2 MPa, and the tensile strength of the welding seam is equal to or equal to 1.360 MPa;
in order to further enhance the tensile strength of the pull belt 3 and the stability of the top plate 1.2, a bracket 4 is welded at the contact part of the front top iron 1 and the pull belt 3, the bracket 4 is horizontally arranged and is a triangular steel plate with the thickness of 2cm, two sides are respectively welded at the upper edge of the top plate 1.2 and the outer side surface of the pull belt 3, and meanwhile, a rectangular stiffening plate 3.1 is correspondingly welded at the outer side surface of the pull belt 3;
in order to facilitate hoisting of equipment by the hoisting device, the top ends of the front top iron 1 and the rear top iron 2 are correspondingly welded with a hoisting ring 5.
The application method of the pipe joint jacking auxiliary equipment in the narrow space comprises the following steps of:
step one, equipment installation: a guide rail is erected in the starting well, a cross iron rear seat is arranged on the rear wall, and a hydraulic cylinder top pick 6 is erected;
step two, hanging the first pipe: hoisting the first section of pipe joint 7 into a guide rail in the well through a hoisting device;
step three, hanging auxiliary equipment in and installing: hoisting the auxiliary equipment into the well by a hoisting device, and installing the auxiliary equipment as a cuff outside the pipe joint 7;
step four, fine adjustment of equipment: adjusting the mounting position of the top pick 6 to enable the top pick 6 to be aligned with the position of the top plate 1.2, and ensuring that the acting force point of the top pick 6 is positioned at the position of the top plate 1.2 at the front section of the pipeline;
step five, jacking a head pipe: pushing the pipe joint 7 into the designed position of the soil body by means of the pushing force of the pushing pick 6;
stopping jacking and retracting the jacking pick: stopping jacking when the front jacking iron 1 is 10cm away from the soil body, and retracting the jacking pick to an initial position;
step seven, lowering a pipe joint and connecting pipes: removing auxiliary equipment by means of a lifting device, hanging the auxiliary equipment into the next section of pipe joint 7, performing pipe connection treatment on the butt joint position of the pipe joint 7, installing the auxiliary equipment on the newly-hung pipe joint 7 by means of the lifting device, continuously jacking, and repeating the step six and the step seven;
step eight, jacking a front tail pipe: stopping jacking when the front jacking iron 1 arranged on the last section of pipe joint 7 is 10cm away from the soil body;
step nine, auxiliary equipment is hung: removing the auxiliary equipment and hoisting the auxiliary equipment out of the originating well by means of a hoisting device;
step ten, equipment adjustment: the position of the top pick 6 is adjusted to the right rear of the pipe joint 7, as shown in fig. 3;
step eleven, jacking a tail pipe at the rear section: and the acting point of the jacking pick 6 is adjusted to the rear end of the last section of pipe joint 7, and the last section of pipe joint 7 is jacked into the soil body.
Step twelve, equipment dismantling: and (5) sequentially removing the equipment in the originating well according to the safety construction standard.
It should be noted that the above usage method is only described with respect to the related procedures related to the auxiliary equipment, and other related operations (such as tunneling, unearthing, slurry lubrication, deviation correction, etc.) are consistent with the operation methods in the conventional technology, and are not fully listed in the above description.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. Pipe joint jacking auxiliary assembly under narrow and small space, the cover is located pipe joint (7) outside, cooperates top pick (6) to use, its characterized in that: the structure of the groove body frame comprises a front top iron (1), a rear top iron (2) and a pull belt (3);
the front top iron (1) is sleeved on a pipe section (7) and is arched, and comprises an arched ring (1.1) and a top plate (1.2) welded on the outer sides of two arch legs of the arched ring (1.1), the plate surface of the top plate (1.2) is perpendicular to the central axis of the pipe section (7), and the size of the arched ring (1.1) is larger than that of the pipe section (7);
the rear top iron (2) is sleeved on the rear end face of the pipe joint (7) and is in a ring shape, and the size of the ring is matched with the size of the rear side face of the pipe joint (7);
the two pull belts (3) are closely attached to two sides of a pipe body section of the pipe joint (7), the front end of each pull belt is welded to the inner side surface of the front top iron (1), the rear end of each pull belt is welded to the outer side surface of the rear top iron (2), and the length of each pull belt (3) is matched with the initial length of the top pick (6);
the bracket (4) is horizontally arranged and is triangular, and two sides of the bracket are respectively welded on the upper edge of the top plate (1.2) and the outer side surface of the drawstring (3);
when in use, a guide rail is erected in the starting well, a cross iron rear seat is arranged on the rear wall, and a hydraulic cylinder top pick (6) is erected; hoisting the first section of pipe (7) into a guide rail in the well through a hoisting device; hoisting auxiliary equipment into the well through a hoisting device, and installing the auxiliary equipment to the outer side of the pipe joint (7) as a hoop; adjusting the mounting position of the top pick (6) to enable the top pick (6) to be aligned with the top plate (1.2) in position, and ensuring that the acting force point of the top pick (6) is positioned at the top plate (1.2) at the front section of the pipeline; the pipe joint (7) is jacked into the designed position of the soil body by the thrust of the jackpick (6).
2. The small space lower pipe joint jacking auxiliary equipment according to claim 1, wherein: the outer side of the drawstring (3) is correspondingly welded with a stiffening plate (3.1).
3. The small space lower pipe joint jacking auxiliary equipment according to claim 1, wherein: the top plate (1.2) is welded on the rear side face of the arch ring (1.1) arch foot and is flush with the rear side face of the arch ring (1.1), a plurality of stiffening ribs (1.3) are uniformly welded between the front side face of the top plate (1.2) and the outer side face of the arch ring (1.1) arch foot, and the stiffening ribs (1.3) are horizontally arranged and are in a right-angle triangle shape.
4. A small space lower pipe joint jacking auxiliary device according to claim 3, wherein: at least three stiffening ribs (1.3) are welded on the front side surface of each top plate (1.2).
5. The small space lower pipe joint jacking auxiliary equipment according to claim 1, wherein: and the top ends of the front top iron (1) and the rear top iron (2) are correspondingly welded with hanging rings (5).
6. The small space lower pipe joint jacking auxiliary equipment according to claim 1, wherein: the auxiliary equipment for jacking the lower pipe joint in the narrow space is welded by steel.
7. The method for using the pipe joint jacking auxiliary equipment in the narrow space according to any one of claims 1 to 6, which is characterized by comprising the following steps:
step one, equipment installation: a guide rail is erected in the starting well, a cross iron rear seat is arranged on the rear wall, and a hydraulic cylinder top pick (6) is erected;
step two, hanging the first pipe: hoisting the first section of pipe (7) into a guide rail in the well through a hoisting device;
step three, hanging auxiliary equipment in and installing: hoisting auxiliary equipment into the well through a hoisting device, and installing the auxiliary equipment to the outer side of the pipe joint (7) as a hoop;
step four, fine adjustment of equipment: adjusting the mounting position of the top pick (6) to enable the top pick (6) to be aligned with the top plate (1.2) in position, and ensuring that the acting force point of the top pick (6) is positioned at the top plate (1.2) at the front section of the pipeline;
step five, jacking a head pipe: pushing the pipe joint (7) into the designed position of the soil body by means of the pushing force of the pushing pick (6);
stopping jacking and retracting the jacking pick: when the front jacking iron (1) is 10cm away from the soil body, jacking is stopped, and the jacking pick is retracted to an initial position;
step seven, lowering a pipe joint and connecting pipes: removing auxiliary equipment by means of a lifting device, hanging the auxiliary equipment into the next section of pipe joint (7), performing pipe connection treatment on the butt joint position of the pipe joint (7), installing the auxiliary equipment on the newly-hung pipe joint (7) by means of the lifting device, continuously jacking, and repeating the steps six and seven;
step eight, jacking a front tail pipe: when the front jacking iron (1) arranged on the last section of pipe joint (7) is 10cm away from the soil body, jacking is stopped;
step nine, auxiliary equipment is hung: removing the auxiliary equipment and hoisting the auxiliary equipment out of the originating well by means of a hoisting device;
step ten, equipment adjustment: adjusting the position of the top pick (6) to the right rear of the pipe joint (7);
step eleven, jacking a tail pipe at the rear section: the acting point of the jacking pick (6) is adjusted to the rear end of the last section of pipe joint (7), and the last section of pipe joint (7) is jacked into soil;
step twelve, equipment dismantling: and (5) sequentially removing the equipment in the originating well according to the safety construction standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796293.1A CN110541966B (en) | 2019-08-27 | 2019-08-27 | Auxiliary equipment for jacking pipe joint in narrow space and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910796293.1A CN110541966B (en) | 2019-08-27 | 2019-08-27 | Auxiliary equipment for jacking pipe joint in narrow space and application method thereof |
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| CN110541966A CN110541966A (en) | 2019-12-06 |
| CN110541966B true CN110541966B (en) | 2024-03-26 |
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| CN201910796293.1A Active CN110541966B (en) | 2019-08-27 | 2019-08-27 | Auxiliary equipment for jacking pipe joint in narrow space and application method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112212069B (en) * | 2020-09-01 | 2022-05-13 | 中国十七冶集团有限公司 | Auxiliary device of adjustable push pipe atress |
| CN112212072B (en) * | 2020-11-06 | 2022-06-03 | 中冶建工集团有限公司 | Detachable back support bracket system for pipe jacking construction |
| CN113944805B (en) * | 2021-10-29 | 2023-05-12 | 徐州徐工基础工程机械有限公司 | Clamping plate device of equipotential lifting split balanced pipe jacking machine |
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