CN210391496U - Special sinking ship for immersed tube tunnel - Google Patents
Special sinking ship for immersed tube tunnel Download PDFInfo
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- CN210391496U CN210391496U CN201921282378.XU CN201921282378U CN210391496U CN 210391496 U CN210391496 U CN 210391496U CN 201921282378 U CN201921282378 U CN 201921282378U CN 210391496 U CN210391496 U CN 210391496U
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- immersed tube
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Abstract
The utility model discloses a special ship of putting that sinks in immersed tube tunnel, including longmen case roof beam, the equal fixedly connected with hull flotation tank in both ends of longmen case roof beam, the hydraulic winch that two symmetries of upper end lateral wall fixedly connected with of longmen case roof beam set up, and the assembly pulley gallows that two symmetries of upper end lateral wall fixedly connected with of longmen case roof beam set up, two the assembly pulley gallows is located hydraulic winch's both sides respectively, longmen case roof beam with a plurality of mooring bollards of the equal fixedly connected with of upper end lateral wall of hull flotation tank, and the equal fixedly connected with railing of upper end lateral wall of the hull flotation tank of longmen case roof beam, two the upper end lateral wall of hull flotation tank all is equipped with two location electric winch, two location electric winch is located the setting of the horizontal axis bilateral symmetry of hull. The utility model discloses can be narrow at the river, the water shallow, the velocity of flow is big, the shipping is intensive, the great interior river of head of water sinks the tunnel pipeline section, also will greatly shorten the pipeline section period of sinking simultaneously, and the butt joint precision improves.
Description
Technical Field
The utility model relates to an immersed tube tunnel technical field especially relates to a special sunken ship of immersed tube tunnel.
Background
The immersed tube tunnel is an underwater tunnel built by pipe joints through the procedures of prefabrication in a dock, towing, floating transportation, sinking and butting, foundation treatment, backfilling and covering and the like. The top of the tunnel is shallow in earth covering, the length of the tunnel is short, the tunnel is more flexibly connected with roads on two sides of a water area, the land resources in a central urban area can be greatly saved, and the tunnel is one of the main methods for constructing inland river underwater tunnels in cities. However, inland rivers are often narrow in river channels, shallow in water depth, large in flow velocity, dense in shipping and large in water level drop, great difficulty is brought to floating and sinking of pipe sections, construction safety is even affected, and large-scale offshore floating and sinking equipment is limited due to the fact that overwater building structures such as river-crossing bridges are dense. The sinking ship is suitable for shortage of special sinking equipment for pipe sections of the sinking pipe tunnels under the conditions of turbid water body in an inland river and disordered flow state, so that the sinking and butt joint efficiency of pipe sections is low, the precision control is difficult, the popularization of the sinking pipe tunnels in middle and upstream cities of the river is limited to a certain extent, and therefore the sinking ship special for the sinking pipe tunnels is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art that the inland river often the river course is narrow, the depth of water, the velocity of flow is big, shipping is intensive, the water head is big, brings very big difficulty for the transportation by flotation, the sinking of pipeline section, influences construction safety even, and the building structure on water such as bridge of crossing a river is intensive, has also restricted the use of large-scale marine transportation by flotation, sinking equipment. The sinking ship is suitable for the shortage of special sinking equipment for the pipe sections of the sinking pipe tunnels under the conditions of turbid water body in the inland river and disordered flow state, so that the sinking and butt joint efficiency of the pipe sections is low, the precision is difficult to control, and the popularization of the sinking pipe tunnels in the middle and upper-stream cities of the river is limited to a certain extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special sinking ship for a immersed tube tunnel comprises a gantry box girder, wherein two ends of the gantry box girder are fixedly connected with hull buoyancy tanks, the upper end side wall of the gantry box girder is fixedly connected with two symmetrically arranged hydraulic winches, the upper end side wall of the gantry box girder is fixedly connected with two symmetrically arranged pulley block hanging frames, the two pulley block hanging frames are respectively positioned at two sides of the hydraulic winches, the upper end side walls of the gantry box girder and the hull buoyancy tanks are respectively and fixedly connected with a plurality of bollards, the upper end side wall of the hull buoyancy tank of the gantry box girder is respectively and fixedly connected with a railing, the upper end side walls of the two hull buoyancy tanks are respectively provided with two positioning electric winches, the two positioning electric winches are respectively and symmetrically positioned at two sides of the transverse axis of the hull buoyancy tank, and the upper end side walls of the two hull buoyancy tanks are respectively and rotatably connected with two cable guide rollers matched with the boll, the two guide cable rollers are respectively located on two sides of the electric winch and symmetrically arranged, the upper end side walls of the gantry box girder and the two hull floating boxes are respectively provided with a plurality of embedded manhole covers, the upper end side wall of the gantry box girder is provided with a plurality of laser positioning instruments, the upper end side wall of the gantry box girder is fixedly connected with a plurality of symmetrical pipe section transverse posture adjusting systems, and the upper end side walls of the two hull floating boxes are respectively fixedly connected with a pipe section axial posture adjusting system.
Preferably, the gantry box girder comprises a fixed section and two telescopic sections, and the two telescopic sections are respectively connected with the two ends of the fixed section in a sliding manner through a plurality of telescopic hydraulic cylinders.
Preferably, the side walls of the two hull buoyancy tanks are fixedly connected with first vacuum suction cups, and the side wall of the lower end of the gantry box girder is fixedly connected with a second vacuum suction cup.
Preferably, the rated load of the pulley block hanger is 100 tons.
Preferably, the safety load of the guide cable roller is 5 tons.
Preferably, the height of the rail is 1.1 m.
Preferably, the tension of the positioning electric winch is 3 tons.
Preferably, the pulling force of the hydraulic winch is 15 tons.
Preferably, the side walls of the gantry box girder and the hull buoyancy tank are provided with a plurality of vertical ladders.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the method solves the difficult problem of sinking the pipe joints under the conditions of narrow river channel, complex hydrology, short window period and the like, can sink the tunnel pipe sections in the internal river with narrow river, shallow water, high flow rate, dense shipping and large water level drop, shortens the sinking period of the pipe sections from 2-3 days to 1-2 days, and improves the butting precision by more than 1 time;
2. utilize first vacuum chuck and second vacuum chuck can play spacing fixed action to the immersed tube section steadily well, guarantee can not receive the water impact effect and drop, in addition, but the sunken ship dynamic adjustment hull flotation tank is apart from clearly, can adapt to the immersed tube section of different width, has improved equipment utilization.
Drawings
Fig. 1 is a schematic view of a main structure of a sinking vessel dedicated for a sinking pipe tunnel according to the present invention;
fig. 2 is a schematic diagram of a right-view structure of the sinking vessel dedicated for the immersed tube tunnel of the present invention;
fig. 3 is a cross-sectional view of fig. 1.
In the figure: the device comprises a gantry box girder 1, a ship hull buoyancy tank 2, a hydraulic winch 3, a pulley block hanger 4, a bollard 5, a railing 6, a positioning electric winch 7, a cable guide roller 8, an embedded manhole cover 9, a laser positioning instrument 10, a pipe section transverse posture adjusting system 11, a pipe section axial posture adjusting system 12, a fixed section 13, a telescopic section 14, a hydraulic telescopic bar 15, a first vacuum sucker 16, a second vacuum sucker 17 and a straight ladder 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a sinking ship special for immersed tube tunnel, comprising a gantry box girder 1, the gantry box girder 1 comprises a fixed section 13 and two telescopic sections 14, the fixed section 13 is fixed, the telescopic ends can be driven by telescopic hydraulic cylinders, thus the length of the hull can be stably and rapidly adjusted, and the pipe sections with different widths can be conveniently limited, conveniently and rapidly, the two telescopic sections 14 are respectively connected with the two ends of the fixed section 13 by a plurality of telescopic hydraulic cylinders in a sliding way, the two ends of the gantry box girder 1 are both fixedly connected with hull buoyancy tanks 2, the gantry box girder 1 and the sinking pipe sections can be driven by the hull buoyancy tanks 2 to carry out buoyancy support, the sinking pipe sections can be well used, the side walls of the gantry box girder 1 and the hull buoyancy tanks 2 are both provided with a plurality of straight ladders 18, the straight ladders 18 can facilitate the up and down of the working personnel to observe and operate, the side walls of the two hull buoyancy tanks 2 are both fixedly connected with first vacuum chucks 16, the side wall of the lower end of the gantry box beam 1 is fixedly connected with a second vacuum chuck 17, and each side wall of the sinking pipe section can be stably and well limited and fixed by utilizing the first vacuum chuck 16 and the second vacuum chuck 17, so that the sinking pipe section is prevented from falling off under the action of water flow impact;
the side wall of the upper end of the gantry box girder 1 is fixedly connected with two symmetrically arranged hydraulic winches 3, the pulling force of the hydraulic winches 3 is 15 tons, so that the hydraulic winches 3 have enough power to drive the sinking pipeline to move, the side wall of the upper end of the gantry box girder 1 is fixedly connected with two symmetrically arranged pulley block hangers 4, the rated load of the pulley block hangers 4 is 100 tons, the pulley block hangers 4 are used for supporting the movement of the sinking pipeline, the sinking pipeline section can be ensured to be safely and stably sunk, the two pulley block hangers 4 are respectively arranged at two sides of the hydraulic winches 3, the side walls of the upper ends of the gantry box girder 1 and the hull buoyancy tank 2 are fixedly connected with a plurality of bollards 5, the bollards 5 can be used for well limiting the mooring ropes, and the mooring ropes can be ensured to have good safe supporting effect;
the side walls of the upper ends of the hull buoyancy tanks 2 of the gantry box beam 1 are fixedly connected with railings 6, the height of the railings 6 is 1.1m, workers can be blocked by the railings 6, the workers are prevented from being accidentally dropped to cause injury, the side walls of the upper ends of the two hull buoyancy tanks 2 are respectively provided with two positioning electric winches 7, the tension of the positioning electric winches 7 is 3 tons, the positioning electric winches 7 can achieve a good positioning effect, the accuracy of the installation process is guaranteed, the tension is enough to pull up a sinking pipeline, the two positioning electric winches 7 are respectively symmetrically arranged on two sides of the transverse axis of the hull buoyancy tanks 2, the side walls of the upper ends of the two hull buoyancy tanks 2 are respectively and rotatably connected with two cable guide rollers 8 matched with the bollards 5, the cable guide rollers 8 can reduce the friction force of cables, and therefore the service life of equipment and the safety of the installation process;
the safety load of the guide cable rollers 8 is 5 tons, the two guide cable rollers 8 are respectively arranged on two sides of the electric winch in a symmetrical mode, the upper end side walls of the gantry box beam 1 and the two ship body buoyancy tanks 2 are respectively provided with a plurality of embedded manhole covers 9, the upper end side wall of the gantry box beam 1 is provided with a plurality of laser positioning instruments 10, a laser positioning instrument receiving reflector can be arranged in an installed sinking pipe section, the laser positioning instruments 10 and the laser positioning instrument receiving reflector can be used for accurately connecting the two sinking pipe sections together in real time, the sinking pipe sections can work safely and stably, the upper end side wall of the gantry box beam 1 is fixedly connected with a plurality of symmetrical pipe section transverse posture adjusting systems 11, and the upper end side walls of the two ship body buoyancy tanks 2 are fixedly connected with pipe section axial posture adjusting systems 12.
The utility model discloses can be through the mating reaction of fixed section 13 and flexible section 14, the net distance between 2 of dynamic adjustment hull flotation tanks, adapt to the immersed tube pipeline section of different width like this, improve equipment's utilization ratio and application range, accept the mounted position that the reflector can accurately measure the immersed tube pipeline section in real time through laser positioning appearance 10 and laser positioning appearance simultaneously, guarantee going on smoothly of installation, the river course is narrow including having solved, the hydrology is complicated, the pipe section that the window period is short waits under the condition sinks a difficult problem, can be narrow at the river, the water shallow, the velocity of flow is big, shipping is intensive, sink tunnel pipe section in the interior river that the water head is big, also shorten to 1 ~ 2 days by 2 ~ 3 days with sinking cycle simultaneously, the butt joint precision improves more than 1 times.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A special sinking ship for a immersed tube tunnel comprises a gantry box beam (1) and is characterized in that two ends of the gantry box beam (1) are fixedly connected with hull buoyancy tanks (2), the upper end side wall of the gantry box beam (1) is fixedly connected with two symmetrically arranged hydraulic winches (3), the upper end side wall of the gantry box beam (1) is fixedly connected with two symmetrically arranged pulley block hanging frames (4), the two pulley block hanging frames (4) are respectively positioned at two sides of the hydraulic winches (3), the upper end side walls of the gantry box beam (1) and the hull buoyancy tanks (2) are respectively and fixedly connected with a plurality of bollards (5), the upper end side wall of the hull buoyancy tank (2) of the gantry box beam (1) is respectively and fixedly connected with a railing (6), the upper end side walls of the two hull buoyancy tanks (2) are respectively provided with two positioning electric winches (7), and the two positioning electric winches (7) are respectively positioned at two sides of the transverse axis of the buoyancy tanks (2) and symmetrically arranged, the two-stage ship body floating box comprises a ship body floating box body (2), and is characterized in that the upper end side wall of the ship body floating box body (2) is respectively and rotatably connected with two cable guide rollers (8) matched with a bollard (5), the two cable guide rollers (8) are respectively located on two sides of an electric winch and symmetrically arranged, a gantry box girder (1) and two are arranged on the upper end side wall of the ship body floating box body (2), a plurality of embedded manhole covers (9) are arranged on the upper end side wall of the gantry box girder (1), a plurality of symmetrical pipe section transverse posture adjusting systems (11) are fixedly connected to the upper end side wall of the gantry box girder (1), and a pipe section axial posture adjusting system (12) is fixedly connected to the upper end side wall of the ship body floating box body (2.
2. The sinking vessel special for the immersed tube tunnel according to claim 1, wherein the gantry box girder (1) comprises a fixed section (13) and two telescopic sections (14), and the two telescopic sections (14) are respectively connected with two ends of the fixed section (13) in a sliding manner through a plurality of telescopic hydraulic cylinders.
3. The sinking ship special for the immersed tube tunnel according to claim 1, wherein the side walls of the two hull buoyancy tanks (2) are fixedly connected with a first vacuum suction cup (16), and the side wall of the lower end of the gantry tank beam (1) is fixedly connected with a second vacuum suction cup (17).
4. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the rated load of the pulley block hanger (4) is 100 tons.
5. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the safety load of the fairlead rollers (8) is 5 tons.
6. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the height of the railing (6) is 1.1 m.
7. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the tension of the positioning electric winch (7) is 3 tons.
8. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the pulling force of the hydraulic winch (3) is 15 tons.
9. The sinking vessel special for immersed tube tunnel according to claim 1, characterized in that the side walls of the gantry box girder (1) and the hull buoyancy tank (2) are provided with a plurality of vertical ladders (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282378.XU CN210391496U (en) | 2019-08-09 | 2019-08-09 | Special sinking ship for immersed tube tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282378.XU CN210391496U (en) | 2019-08-09 | 2019-08-09 | Special sinking ship for immersed tube tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN210391496U true CN210391496U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282378.XU Active CN210391496U (en) | 2019-08-09 | 2019-08-09 | Special sinking ship for immersed tube tunnel |
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| CN (1) | CN210391496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466697A (en) * | 2019-08-09 | 2019-11-19 | 中铁第六勘察设计院集团有限公司 | A kind of dedicated sinking ship of immersed tube tunnel and its application method |
| CN115855029A (en) * | 2023-02-27 | 2023-03-28 | 中交第一航务工程局有限公司 | Pipe section sinking coarse positioning system and method based on sling of immersed pipe transporting integrated ship |
-
2019
- 2019-08-09 CN CN201921282378.XU patent/CN210391496U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466697A (en) * | 2019-08-09 | 2019-11-19 | 中铁第六勘察设计院集团有限公司 | A kind of dedicated sinking ship of immersed tube tunnel and its application method |
| CN115855029A (en) * | 2023-02-27 | 2023-03-28 | 中交第一航务工程局有限公司 | Pipe section sinking coarse positioning system and method based on sling of immersed pipe transporting integrated ship |
| CN115855029B (en) * | 2023-02-27 | 2023-04-28 | 中交第一航务工程局有限公司 | Pipe joint sinking coarse positioning system and method based on sinking pipe transportation and installation integrated ship sling |
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