CN111764434A - Internal fine adjustment device and system for alignment of submarine immersed tube - Google Patents
Internal fine adjustment device and system for alignment of submarine immersed tube Download PDFInfo
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- CN111764434A CN111764434A CN202010758583.XA CN202010758583A CN111764434A CN 111764434 A CN111764434 A CN 111764434A CN 202010758583 A CN202010758583 A CN 202010758583A CN 111764434 A CN111764434 A CN 111764434A
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- immersed tube
- jack assembly
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- submarine
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to the technical field of immersed tube tunnel construction, in particular to an internal fine adjustment device and a system for alignment of a submarine immersed tube, which comprises a first immersed tube and a second immersed tube forming a combined cavity, wherein the first immersed tube and the second immersed tube are provided with a vertical pushing jack assembly and a horizontal pushing jack assembly, a vertical jack limiting component is arranged on the inner side wall of the immersed tube, the vertical pushing jack assembly consists of a plurality of vertically-installed integrated jacks, the horizontal pushing jack assembly consists of a plurality of horizontally-installed integrated jacks and is placed on a track in the combined cavity, the integrated jacks adopt a quick splicing mode and adopt double closed-loop control of position and force to improve deviation-rectifying and positioning accuracy, and the internal fine adjustment device for alignment of the submarine immersed tube solves the problems of larger required thrust, difficult counter-force point finding, narrow space, inconvenient installation and the like in the conventional alignment deviation adjustment method for the submarine immersed tube, the technical problems of high construction difficulty, low construction efficiency, low deviation-rectifying positioning precision and the like are solved.
Description
Technical Field
The invention relates to the technical field of immersed tube tunnel construction, in particular to an internal fine adjustment device and system for seabed immersed tube alignment.
Background
After the immersed tube of the submarine tunnel is installed in a primary hydraulic compression joint mode, the axis direction of the immersed tube may have deviation, and the deviation needs to be adjusted according to the deviation, the traditional method comprises an external adjustment method and an internal adjustment method, the external adjustment method is to place adjusting equipment on the outer side of the immersed tube, the deviation is corrected by adjusting the tail end of the immersed tube, large-scale equipment needs to be installed underwater by adopting the external adjustment method, the operating environment is 40m underwater, the underwater visibility is poor, and the whole construction equipment is high in manufacturing cost; the internal adjustment method is characterized in that a large-tonnage jacking jack is arranged between 2 sections of immersed tubes, the immersed tubes are driven to swing tail by jacking of the jacking jack, and the dry-type construction method has the advantage that dry-type construction can be carried out in the immersed tubes.
The large-tonnage jacking jack is installed between 2 sections of immersed tubes, and the adjustment method for enabling the immersed tubes to swing by pushing of the jacking jack can carry out dry construction in the immersed tubes, but has the problems of large required thrust, difficult finding of reaction points, narrow space, inconvenient installation and the like, and also has the problems of large construction difficulty, low construction efficiency, low deviation-rectifying positioning accuracy and the like.
Disclosure of Invention
The invention provides an internal fine adjustment device and system for alignment of a submarine immersed tube aiming at the defects of the existing method for adjusting alignment deviation of the submarine immersed tube, and the internal fine adjustment system for alignment of the submarine immersed tube solves the technical problems of large required thrust, difficult finding of counter-force points, narrow space, inconvenient installation and the like of the existing method for adjusting alignment deviation of the submarine immersed tube, and also solves the technical problems of high construction difficulty, low construction efficiency, low deviation-rectifying positioning precision and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
an internal fine tuning device for alignment of a subsea immersed tube, the subsea immersed tube comprising a first immersed tube and a second immersed tube, the first immersed tube and the second immersed tube forming a bonding chamber, the internal fine tuning device comprising: the vertical pushing jack assembly and the horizontal pushing jack assembly are arranged, a first vertical jack limiting rod assembly is arranged on the inner side wall of the first immersed tube, a second vertical jack limiting assembly is arranged on the inner side wall of the second immersed tube, the vertical pushing jack assembly consists of a plurality of vertically-installed integrated jacks, and two ends of each vertically-installed integrated jack can be respectively connected with the first vertical jack limiting rod assembly and the second vertical jack limiting assembly; the horizontal pushing jack assembly is composed of a plurality of horizontally installed integrated jacks and is placed on a track in the combining cavity.
Further, the vertical pushing jack assembly comprises five to seven integrated jacks, the horizontal pushing jack assembly comprises three integrated jacks, and the integrated jacks adopt standard aluminum profiles as frames.
Further, inside fine-tuning device still includes the calabash that is used for hoist and mount integral type jack and promotes calabash installation component.
Furthermore, the lifting hoist mounting assembly is mounted at the reserved bolt hole of the shear key of the second immersed tube through a bolt.
Furthermore, the bottom of the first immersed tube is provided with a left slope horizontal joint component, and the bottom of the second immersed tube is provided with a right slope horizontal joint component.
Furthermore, a manhole door for transporting the vertical pushing jack assembly and the horizontal pushing jack assembly is arranged on a combined cavity wall formed by the first immersed tube and the second immersed tube.
The internal fine adjustment system for alignment of the submarine immersed tube comprises an oil pump, an oil pipe, a signal line and a flow distribution block, wherein the vertical pushing jack assembly, the horizontal pushing jack assembly and the oil pump are connected in series through the oil pipe, the signal line and the flow distribution block.
Furthermore, the internal fine adjustment system for the alignment of the submarine immersed tube is also provided with a displacement sensor and a pressure sensor, and is also connected with the oil pump and provided with a cabin penetrating hole.
A working method of an internal fine adjustment system for alignment of a submarine immersed tube comprises the following steps: after the vertical pushing jack assembly and the horizontal pushing jack assembly are installed in place, oil is supplied to the vertical pushing jack assembly and the horizontal pushing jack assembly through the oil pump, the oil pump is controlled through the control console, the vertical pushing jack assembly and the horizontal pushing jack assembly are connected with the oil pump in series through the oil pipe, the signal line and the shunting block, and the displacement sensor and the pressure sensor realize the control of the extending position and the extending force of all the integrated jacks.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an internal fine adjustment system for alignment of a submarine immersed tube, which is integrally arranged in a combination cavity for dry construction, effectively reduces the difficulty of underwater construction, and simultaneously adopts position and force to carry out double closed-loop control, thereby improving the accuracy of deviation rectification and positioning.
2. The internal fine adjustment device for alignment of the submarine immersed tube, provided by the invention, takes the stress characteristic of the immersed tube into consideration, and can effectively adjust the clearance of the combined cavity after installation through the stroke of the oil cylinder by adopting an L-shaped arrangement mode according to the convenience of field installation.
3. The internal fine adjustment device for alignment of the submarine immersed tube adopts the integrated jack to form the vertical pushing jack and the horizontal pushing jack, the integrated jack adopts an aluminum structure, so that the weight can be reduced by about half under the condition of meeting the same tonnage, the integrated jack is adopted to realize rapid assembly, and the construction efficiency is improved.
4. The bottom adjusting track of the internal fine adjustment system for alignment of the submarine immersed tube is made of a standard aluminum profile structure, has a quick splicing function, can easily realize field manual carrying and splicing, is configured according to the distance from the side surface to a manhole door, is configured with an elevation adjusting support at the bottom to adapt to the use under different conditions of the internal elevations of the immersed tube, and can adjust a large stroke through a bottom cushion steel plate when the height is not adjusted sufficiently.
Drawings
Fig. 1 is a general structural layout diagram of an internal fine adjustment system for alignment of a submarine immersed tube according to an embodiment of the present invention;
fig. 2 is an exploded view of a first internal fine adjustment device for alignment of a submarine immersed tube according to an embodiment of the present invention;
fig. 3 is an exploded view of the second internal fine adjustment device for alignment of the submarine immersed tube according to the embodiment of the present invention;
fig. 4 is an elevation view of an L-shaped layout of an internal fine adjustment device for alignment of a submarine immersed tube according to an embodiment of the present invention;
FIG. 5 is a side view of the comprehensive cavity layout of the internal fine tuning device for subsea immersed tube alignment according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a control process of the internal fine adjustment system for alignment of the submarine immersed tube according to the embodiment of the present invention;
1-1-first immersed tube, 1-2-second immersed tube, 2-vertical pushing jack assembly, 3-horizontal pushing jack assembly, 4-1-first vertical jack limit rod assembly, 4-2-second vertical jack limit rod assembly, 5-lifting hoist mounting assembly, 6-1-left slope horizontal joint assembly, 6-2-right slope horizontal joint assembly, 7-oil pump, 8-cabin penetration hole, 9-oil pipe and signal line, 10-shunt block, 11-displacement sensor and 12-manhole door.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to more clearly and specifically describe the internal fine adjustment device for aligning a subsea immersed tube and the system including the same according to the embodiments of the present invention, the following description will be made with reference to specific embodiments.
Example 1
As shown in fig. 1 to 5, an internal fine tuning device for aligning a subsea immersed tube, the subsea immersed tube comprising a first immersed tube 1-1 and a second immersed tube 1-2, the first immersed tube 1-1 and the second immersed tube 1-2 forming a bonding chamber, the internal fine tuning device comprising: the vertical pushing jack assembly 2 and the horizontal pushing jack assembly 3 are respectively arranged on the inner side wall of the first immersed tube 1-1, the first vertical jack limiting rod component 4-1 is arranged on the inner side wall of the second immersed tube 1-2, the second vertical jack limiting component 4-2 is arranged on the inner side wall of the second immersed tube 1-2, the vertical pushing jack assembly 2 is composed of a plurality of vertically-installed integrated jacks, and two ends of each vertically-installed integrated jack can be respectively connected with the first vertical jack limiting rod component 4-1 and the second vertical jack limiting component 4-2; the horizontal pushing jack assembly 3 consists of a plurality of horizontally installed integrated jacks and is placed on a track in the combining cavity; vertical concatenation of going on that promotes jack assembly 2 includes five to seven integral type jacks, can be quick, the efficiency of construction is high, in vertical assembly process, every increase one set of integral type jack, then connect with first perpendicular jack spacing rod subassembly 4-1 and the spacing subassembly 4-2 of second perpendicular jack, and then connect with the immersed tube, can prevent effectively that to promote jack assembly 2 perpendicularly and empty, holistic adjusting device is combining the intracavity in this embodiment, and the dry-type construction effectively reduces the degree of difficulty of trying on the construction.
The horizontal pushing jack assembly 3 comprises three integrated jacks, the composition quantity of the vertical pushing jack assembly 2 and the horizontal pushing jack assembly 3 is determined according to the actual jacking force, the integrated jacks adopt standard aluminum profiles as frames, and the weight is reduced by about half under the condition of meeting the same tonnage.
The internal fine adjustment device in the embodiment further comprises a hoist for hoisting the integrated jack and a lifting hoist mounting component 5, wherein the lifting hoist mounting component 5 is mounted at a reserved bolt hole of a shear key of the second immersed tube 1-2 through a bolt; the integral type jack adopts the calabash to hoist, and the upper portion hoisting point of calabash hangs on promoting calabash installation component 5, promotes calabash installation component 5 and connects through bolt and immersed tube, and its mounted position reserves the bolt hole for the shear force key of immersed tube.
The bottom of the first immersed tube 1-1 is provided with a left slope horizontal joint component 6-1, and the bottom of the second immersed tube 1-2 is provided with a right slope horizontal joint component 6-2; and a manhole door 12 for transporting the vertical pushing jack assembly 2 and the horizontal pushing jack assembly 3 is arranged on the wall of a combined cavity formed by the first immersed tube 1-1 and the second immersed tube 1-2, the vertical pushing jack assembly 2 and the horizontal pushing jack assembly 3 are transported to the space between the combined cavities from the inside of the immersed tube through the manhole door 12, and the transportation adopts a portable gantry crane to transport the penetrated doors.
The embodiment also provides an internal fine adjustment system for alignment of the submarine immersed tube, which comprises the internal fine adjustment device for alignment of the submarine immersed tube, the internal fine adjustment system for alignment of the submarine immersed tube further comprises an oil pump 7, an oil pipe, a signal line 9 and a shunting block 10, the vertical pushing jack assembly 2, the horizontal pushing jack assembly 3 and the oil pump 7 are connected in series through the oil pipe, the signal line 9 and the shunting block 10, the internal fine adjustment system for alignment of the submarine immersed tube is further provided with a displacement sensor 11 and a pressure sensor, and the oil pump 7 is further connected with a cabin penetrating hole 8.
The internal fine adjustment system for alignment of the submarine immersed tube provided by the embodiment wholly comprises an integrated oil cylinder, a transverse support in the immersed tube, a transport vehicle in the immersed tube, a portable gantry crane, a pump station and a control system, wherein the integrated oil cylinder adopts a design structure of quick splicing and an L-shaped arrangement mode; the transverse support in the immersed tube adopts an aluminum profile fast splicing mode, so that the transportation and fast splicing in a narrow space on site are met; the portable gantry crane adopts an aluminum quick splicing mode, is light in weight and convenient to lap; the oil pump station adopts ultrahigh pressure 70Mpa system pressure, and has small volume and light equipment weight; the control system adopts a closed-loop control mode of displacement and force double feedback.
As shown in fig. 6, this embodiment further provides a working method of an internal fine adjustment system for subsea immersed tube alignment, after the vertical pushing jack assembly 2 and the horizontal pushing jack assembly 3 are installed in place, oil is supplied to the vertical pushing jack assembly and the horizontal pushing jack assembly 3 through the oil pump 7, the oil pump 7 is controlled through the console, the vertical pushing jack assembly 2, the horizontal pushing jack assembly 3 and the oil pump 7 are connected in series through the oil pipe, the signal line 9 and the shunting block 10, the displacement sensor 11 and the pressure sensor realize extension position control and extension force control of all the integrated jacks, and double closed-loop control of position and force is adopted, so that the deviation rectification positioning accuracy is improved.
The embodiment provides an internal fine adjustment system for alignment of a submarine immersed tube, which comprises an integrated oil cylinder, a transverse support in the immersed tube, a transport vehicle in the immersed tube, a portable gantry crane, a pump station and a control system, wherein the immersed tube fine adjustment oil cylinder is arranged in an L-shaped mode according to the stress characteristic of the immersed tube and the convenience of field installation, and the size of a combined cavity of the immersed tube is 1300mm, so that the oil cylinder is arranged in a gap and filled in addition to the oil cylinder, and the stroke of the oil cylinder is set to 150mm in the embodiment, so that the height of the body of the oil cylinder is increased, a part of the space size can be effectively filled, and meanwhile, the oil cylinder has a longer stroke, and the gap of the combined cavity after installation can be effectively adjusted through the stroke of the oil cylinder; the inside fine tuning system of submarine immersed tube counterpoint that this embodiment provided bottom adjustment track is wiped and is formed with standard aluminum profile struction, the quick concatenation function has, can easily realize on-the-spot artifical transport and concatenation, overall length can dispose according to the distance of side to manhole door, and dispose elevation adjustment stabilizer blade in the bottom, use under the different condition of adaptation immersed tube inside elevation, when the adjustment height is not enough, the regulation of big stroke is carried out to accessible bottom pad steel sheet, still be provided with collapsible transportation, the portal crane who need not to dismantle, a hydraulic jack subassembly for in the access hole, stride across the door transportation to combining the intracavity such as track.
Claims (9)
1. An internal fine-tuning device for alignment of a submarine immersed tube, which comprises a first immersed tube (1-1) and a second immersed tube (1-2), wherein the first immersed tube (1-1) and the second immersed tube (1-2) form a combined cavity, characterized in that: the internal fine adjustment device includes: the lifting jack comprises a vertical pushing jack assembly (2) and a horizontal pushing jack assembly (3), wherein a first vertical jack limiting rod assembly (4-1) is arranged on the inner side wall of a first immersed tube (1-1), a second vertical jack limiting assembly (4-2) is arranged on the inner side wall of a second immersed tube (1-2), the vertical pushing jack assembly (2) is composed of a plurality of vertically-installed integrated jacks, and two ends of each vertically-installed integrated jack can be respectively connected with the first vertical jack limiting rod assembly (4-1) and the second vertical jack limiting assembly (4-2); the horizontal pushing jack assembly (3) is composed of a plurality of horizontally-mounted integrated jacks and is placed on the track in the combining cavity.
2. The internal fine-tuning device for aligning the submarine immersed tube according to claim 1, wherein: the vertical pushing jack assembly (2) comprises five to seven integrated jacks, the horizontal pushing jack assembly (3) comprises three integrated jacks, and the integrated jacks adopt standard aluminum profiles as frames.
3. The internal fine-tuning device for aligning the submarine immersed tube according to claim 1, wherein: the internal fine adjustment device further comprises a hoist for hoisting the integrated jack and a hoisting hoist mounting assembly (5).
4. The internal fine adjustment device for aligning the submarine immersed tube according to claim 3, wherein: the lifting hoist mounting assembly (5) is mounted at a reserved bolt hole of a shear key of the second immersed tube (1-2) through a bolt.
5. The internal fine-tuning device for aligning the submarine immersed tube according to claim 1, wherein: the bottom of the first immersed tube (1-1) is provided with a left slope horizontal joint component (6-1), and the bottom of the second immersed tube (1-2) is provided with a right slope horizontal joint component (6-2).
6. The internal fine-tuning device for aligning the submarine immersed tube according to claim 1, wherein: and a manhole door (12) for transporting the vertical pushing jack assembly (2) and the horizontal pushing jack assembly (3) is arranged on the wall of a combined cavity formed by the first immersed tube (1-1) and the second immersed tube (1-2).
7. The utility model provides an inside fine tuning system of seabed immersed tube counterpoint which characterized in that: the internal fine tuning device for alignment of the submarine immersed tube according to claims 1-6, further comprising an oil pump (7), an oil pipe, a signal line (9) and a shunt block (10), wherein the vertical pushing jack assembly (2) and the horizontal pushing jack assembly (3) are connected in series with the oil pump (7) through the oil pipe, the signal line (9) and the shunt block (10).
8. The internal fine tuning system for subsea immersed tube alignment according to claim 7, wherein: the inner fine adjustment system for the alignment of the submarine immersed tube is also provided with a displacement sensor (11) and a pressure sensor, and is also connected with the oil pump (7) and provided with a cabin penetrating hole (8).
9. A working method of an internal fine adjustment system for alignment of a submarine immersed tube is characterized by comprising the following steps: the method comprises the following steps: after vertical push jack assembly (2) and horizontal push jack assembly (3) installed in place, oil pump (7) are used for supplying oil to the vertical push jack assembly and the horizontal push jack assembly (3), oil pump (7) is controlled through a control console, vertical push jack assembly (2) and horizontal push jack assembly (3) and oil pump (7) are connected in series through oil pipe and signal line (9) and shunting block (10), and displacement sensor (11) and pressure sensor realize the control of the extending position and the control of the extending force of all integrated jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010758583.XA CN111764434A (en) | 2020-07-31 | 2020-07-31 | Internal fine adjustment device and system for alignment of submarine immersed tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010758583.XA CN111764434A (en) | 2020-07-31 | 2020-07-31 | Internal fine adjustment device and system for alignment of submarine immersed tube |
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| Publication Number | Publication Date |
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| CN111764434A true CN111764434A (en) | 2020-10-13 |
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| CN202010758583.XA Pending CN111764434A (en) | 2020-07-31 | 2020-07-31 | Internal fine adjustment device and system for alignment of submarine immersed tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541480A (en) * | 2022-04-28 | 2022-05-27 | 中交第一航务工程局有限公司 | Steel shell immersed tube assembly precision inspection method and system |
-
2020
- 2020-07-31 CN CN202010758583.XA patent/CN111764434A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541480A (en) * | 2022-04-28 | 2022-05-27 | 中交第一航务工程局有限公司 | Steel shell immersed tube assembly precision inspection method and system |
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