CN104612180A - Immersed tube section separating device for seabed immersed tunnel - Google Patents
Immersed tube section separating device for seabed immersed tunnel Download PDFInfo
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- CN104612180A CN104612180A CN201510086287.9A CN201510086287A CN104612180A CN 104612180 A CN104612180 A CN 104612180A CN 201510086287 A CN201510086287 A CN 201510086287A CN 104612180 A CN104612180 A CN 104612180A
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- immersed tube
- immersed
- tube
- limited post
- unit
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of installation of seabed immersed tunnels, in particular to an immersed tube section separating device for a seabed immersed tunnel. The immersed tube section separating device for the seabed immersed tunnel comprises an active separating unit and a passive separating unit; a separating jack is arranged at one end of the active separating unit and is used for applying an axial thrust to the passive separating unit, so that the active separating unit and the passive separating unit move relatively, and two immersed tube sections which are connected with each other and are connected with the active separating unit and the passive separating unit are separated from each other; the immersed tube sections cannot be damaged in a separating process; a GINA water-stop belt cannot turn sideward; end steel shells and end sealing doors are not affected; and the distance between the two immersed tube sections are increased as much as possible, and a sufficient safe distance is reserved for follow-up re-floating and twisting movement. The immersed tube section separating device is simple in structure, clear in stress and convenient to design and manufacture.
Description
Technical field
The present invention relates to immersed tube tunnel mounting technique field, seabed, particularly relate to a kind of immersed tube tube coupling separator for seabed immersed tube tunnel.
Background technology
At present, end immersed tube tunnel is installed has that difficulty of construction is large, restrictive condition is many, affects difficult point and the features such as many by bad weather condition.Wherein, it is important step in seabed tunnel installation process that the already installed immersed tube tube coupling of immersed tube tunnel is thrown off again, the device that immersed tube tube coupling is separated is not specifically designed in prior art, usually hawser is tied up on the tube coupling of rear installation when separation two already installed immersed tube tube couplings, then big machinery is used to stretch by force, the immersed tube tube coupling be combined together two splits, but when using hawser to split, GINA waterstop, end box hat can be affected, hold the stable of immersed tube tube coupling structures such as sealing up a door, also may cause the breakage of immersed tube immersed tube tube coupling.
Therefore, for above deficiency, need to provide a kind of device being exclusively used in seabed immersed tube tunnel immersed tube tube coupling and being separated, complete two adjacent immersed tube tube coupling safety, steadily complete pushing tow disengagement operation.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: not a kind of device being specifically designed to seabed immersed tube tunnel immersed tube tube coupling and being separated in prior art, but use hawser to be separated the immersed tube tube coupling that two are matched, GINA waterstop, end box hat can be affected, hold the stable of immersed tube tube coupling structures such as sealing up a door and safety.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of immersed tube tube coupling separator for seabed immersed tube tunnel, comprise the passive disengaging unit initiatively departing from unit and be connected with the second immersed tube tube coupling be connected with the first immersed tube tube coupling, first immersed tube tube coupling to be separated and the external surface of the second immersed tube tube coupling are respectively arranged with the first limited post and the second limited post, and described first limited post and described second limited post are respectively used to limit and describedly initiatively depart from the axially motion at the first immersed tube tube coupling and the second immersed tube tube coupling of unit and described passive disengaging unit; The described unit that initiatively departs from is provided with disengagement jack facing to one end of the second immersed tube tube coupling, and described disengagement jack is used for the thrust applying vertically to passive disengaging unit.
Wherein, the described unit that initiatively departs from also comprises active force framework, described disengagement jack is arranged on the one end near the second tube coupling on active force framework, and described active force framework is provided with the first installing hole, and the described unit that initiatively departs from is socketed on the first limited post by the first installing hole.
Wherein, described active force framework is provided with the first positioning jack, for regulating the distance between the first limited post and active force framework.
Wherein, be also provided with adjustment cushion block between described first limited post and described active force framework, the contact surface of described adjustment cushion block and active force framework is arc surface, and the contact surface of described adjustment cushion block and the first limited post is plane.
Wherein, described disengagement jack is provided with pressure sensor and magnetic to displacement transducer.
Wherein, described passive disengaging unit comprises passive stress frame, and described passive stress frame is provided with the connecting portion for coordinating with disengagement jack and the second installing hole, described passive disengaging unit is sleeved on the second limited post by the second installing hole.
Wherein, described passive stress frame is provided with the second positioning jack, for regulating the distance between the second limited post and passive stress frame.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: the invention provides a kind of immersed tube tube coupling separator for seabed immersed tube tunnel, comprise and initiatively depart from unit and passive disengaging unit, the one end initiatively departing from unit is provided with disengagement jack, described disengagement jack is used for passive disengaging unit applying thrust vertically, thus make initiatively to depart between unit and passive disengaging unit and occur relative motion, and then drive the immersed tube tube coupling connected with two that initiatively depart from that unit is connected with passive disengaging unit to separate, damage can not be caused to immersed tube tube coupling in separation process, can ensure that GINA waterstop is not turned on one's side, end box hat and end are sealed up a door unaffected, and make spacing between two immersed tube tube couplings increase as far as possible, for floating again afterwards, strand is moved and is reserved enough safe distances, and its structure is simple, stressed clear, be convenient to design, manufacture.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the present invention will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation initiatively departing from unit in one embodiment of the invention;
Fig. 2 is the structural representation of passive disengaging unit in one embodiment of the invention.
Corresponding relation wherein in Fig. 1 and Fig. 2 between Reference numeral and component names is:
1, initiatively unit is departed from, 11, throw off jack, 12, active force framework, 121, the first installing hole, 122, the first positioning jack, 2, passive disengaging unit, 21, passive stress frame, 211, connecting portion, 212, the second installing hole, 213, second positioning jack, 3, regulate cushion block, 4, the first limited post, the 5, second limited post.
Detailed description of the invention
In describing the invention, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention provides a kind of immersed tube tube coupling separator for seabed immersed tube tunnel, comprise the passive disengaging unit 2 initiatively departing from unit 1 and be connected with the second immersed tube tube coupling be connected with the first immersed tube tube coupling, first immersed tube tube coupling to be separated and the external surface of the second immersed tube tube coupling are respectively arranged with the first limited post 4 and the second limited post 5, and described first limited post 4 and described second limited post 5 are respectively used to limit and describedly initiatively depart from the axially motion at the first immersed tube tube coupling and the second immersed tube tube coupling of unit 1 and described passive disengaging unit 2; The described unit 1 of initiatively departing from is provided with facing to one end of the second immersed tube tube coupling and throws off jack 11, and described disengagement jack 11 is for applying thrust vertically to passive disengaging unit 2.Described disengagement jack 11 is for applying thrust vertically to passive disengaging unit 2, thus make initiatively to depart between unit 1 and passive disengaging unit 2 and occur relative motion, and then drive the immersed tube tube coupling connected with two that initiatively depart from that unit 1 is connected with passive disengaging unit 2 to separate, damage can not be caused to immersed tube tube coupling in separation process, can ensure that GINA waterstop is not turned on one's side, end box hat and end are sealed up a door unaffected, and make spacing between two immersed tube tube couplings increase as far as possible, for floating again afterwards, strand is moved and is reserved enough safe distances, and its structure is simple, stressed clear, be convenient to design, manufacture.
Preferably, as shown in Figure 1, the described unit 1 that initiatively departs from also comprises active force framework 12, described disengagement jack 11 is arranged on the one end near the second tube coupling on active force framework 12, described active force framework 12 is provided with the first installing hole 121, first both sides, immersed tube tube coupling front end on the outer surface of cupular part that described first limited post 4 is arranged on the first immersed tube tube coupling, the described unit 1 that initiatively departs from is socketed on the first limited post 4 by the first installing hole 121, first limited post 4 can position the installation site initiatively departing from unit 1, and restriction initiatively departs from unit 1 and moves axially on the first immersed tube tube coupling, and the first limited post 4 can be used as the main bearing position initiatively departed from when unit 1 works.
Preferably, described adjustment cushion block 3 is between the first limited post 4 and active force framework 12, and adjustment cushion block 3 is arranged on the inner groovy place on the first limited post 4, described adjustment cushion block 3 be arc surface with the contact surface of active force framework 12, the contact surface of described adjustment cushion block 3 and the first limited post 4 is plane, active force framework 12 can be made to carry out the rotation of certain angle according to stressing conditions, optimize structure stressed
Described active force framework 12 is provided with the first positioning jack 122, for regulating the distance between the first limited post 4 and active force framework 12, active force framework 12 is arranged on the first limited post 4 place, the first limited post 4 is conducted to by the stressed of steel structure frame, positioning jack is arranged on active force framework 12, between active force framework 12 and the first limited post 4, by adjustment positioning jack length, make initiatively to depart from unit 1 and the first limited post 4 close contact, throwing off jack 11 is Main Function position in whole disengagement operation process, active force in tube coupling disconnecting process is provided.
Preferably, throw off jack 11 and be built-in with pressure sensor, accurately can show the stressing conditions of jack, throw off jack 11 simultaneously and be built-in with magnetic to displacement transducer, accurately can show the distance of jack motion, thus extrapolate spacing between two tube coupling end faces.
Wherein, as shown in Figure 2, described passive disengaging unit 2 comprises passive stress frame 21, described passive stress frame 21 is provided with the connecting portion 211 for coordinating with disengagement jack 11 and the second installing hole 212, described passive disengaging unit 2 is sleeved on the second limited post 5 by the second installing hole 212.Passive disengaging unit 2 comprises passive stressed ore deposit machine, second positioning jack 213, second limited post 5 and adjustment cushion block 3, wherein the second limited post 5 is cast in immersed tube tunnel end face, be positioned at tube coupling tail end both sides, tunnel, for passive disengaging unit 2 installation site and main Cheng Li position, passive disengaging unit 2 is provided with the adjustment cushion block 3 of the spacing for regulating the second limited post 5 and passive stress frame 21 equally, described adjustment cushion block 3 installs the second limited post 5 inner groovy place, be plane with the second limited post 5 contact surface, be arc surface with passive stress frame 21 contact surface, passive stress frame 21 can be made according to stressing conditions to carry out the rotation of certain angle, to optimize structure force way, passive stress frame 21 is arranged on the second limited post 5 place, the second limited post 5 is conducted to by the stressed of steel structure frame, second positioning jack 213 is arranged on passive stress frame 21, between passive stress frame 21 and the second limited post 5, by adjusting the second positioning jack 213 length, make passive disengaging unit 2 and the second limited post 5 close contact, by throwing off jack 11, first positioning jack 122, the acting in conjunction of the second positioning jack 213 and adjustment cushion block 3, can adjust the Impact direction of release systems, the final power that only there is immersed tube tube coupling axis direction, make release systems simply stressed, clear, not only protect immersed tube tube coupling structural safety, also the safety of each equipment of release systems is protected.
During use, assisted under water by diver, be arranged on the first limited post 4 for the treatment of on disengagement first immersed tube tube coupling front end by initiatively departing from unit 1, passive disengaging unit 2 is arranged on the second limited post 5 on the second immersed tube tube coupling rear end, after installation, stretch out disengagement jack 11 to contact with the connecting portion 211 on passive disengaging unit 2, assisted by diver simultaneously, adjustment first positioning jack 122 and the second positioning jack 213, make the axis being parallel initiatively departing from unit 1 and passive disengaging unit 2, optimize release systems stressing conditions, after receiving operational notification, stretch out both sides simultaneously and throw off jack 11, carry out tube coupling and throw off operation
In sum, the invention provides a kind of immersed tube tube coupling separator for seabed immersed tube tunnel, comprise and initiatively depart from unit and passive disengaging unit, the one end initiatively departing from unit is provided with disengagement jack, described disengagement jack is used for passive disengaging unit applying thrust vertically, thus make initiatively to depart between unit and passive disengaging unit and occur relative motion, and then drive the immersed tube tube coupling connected with two that initiatively depart from that unit is connected with passive disengaging unit to separate, damage can not be caused to immersed tube tube coupling in separation process, can ensure that GINA waterstop is not turned on one's side, end box hat and end are sealed up a door unaffected, and make spacing between two immersed tube tube couplings increase as far as possible, for floating again afterwards, strand is moved and is reserved enough safe distances, and its structure is simple, stressed clear, be convenient to design, manufacture.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the immersed tube tube coupling separator for seabed immersed tube tunnel, it is characterized in that: comprise the passive disengaging unit (2) initiatively departing from unit (1) and be connected with the second immersed tube tube coupling be connected with the first immersed tube tube coupling, first immersed tube tube coupling to be separated and the external surface of the second immersed tube tube coupling are respectively arranged with the first limited post (4) and the second limited post (5), described first limited post (4) and described second limited post (5) are respectively used to limit and describedly initiatively depart from the axially motion at the first immersed tube tube coupling and the second immersed tube tube coupling of unit (1) and described passive disengaging unit (2), the described unit (1) that initiatively departs from is provided with facing to one end of the second immersed tube tube coupling and throws off jack (11), and described disengagement jack (11) is for applying thrust vertically to passive disengaging unit (2).
2. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 1, it is characterized in that: the described unit (1) that initiatively departs from also comprises active force framework (12), described disengagement jack (11) is arranged on the upper one end near the second tube coupling of active force framework (12), described active force framework (12) is provided with the first installing hole (121), and the described unit (1) that initiatively departs from is socketed on the first limited post (4) by the first installing hole (121).
3. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 2, it is characterized in that: described active force framework (12) is provided with the first positioning jack (122), for regulating the distance between the first limited post (4) and active force framework (12).
4. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 3, it is characterized in that: be also provided with between described first limited post (4) and described active force framework (12) and regulate cushion block (3), described adjustment cushion block (3) is arc surface with the contact surface of active force framework (12), and described adjustment cushion block (3) is plane with the contact surface of the first limited post (4).
5. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 1, is characterized in that: described disengagement jack (11) is provided with pressure sensor and magnetic to displacement transducer.
6. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 1, it is characterized in that: described passive disengaging unit (2) comprises passive stress frame (21), described passive stress frame (21) is provided with the connecting portion (211) for coordinating with disengagement jack (11) and the second installing hole (212), described passive disengaging unit (2) is sleeved on the second limited post (5) by the second installing hole (212).
7. the immersed tube tube coupling separator for seabed immersed tube tunnel according to claim 6, it is characterized in that: described passive stress frame (21) is provided with the second positioning jack (213), for regulating the distance between the second limited post (5) and passive stress frame (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086287.9A CN104612180B (en) | 2015-02-16 | 2015-02-16 | A kind of for seabed immersed tube tunnel immersed tube tube coupling segregation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086287.9A CN104612180B (en) | 2015-02-16 | 2015-02-16 | A kind of for seabed immersed tube tunnel immersed tube tube coupling segregation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612180A true CN104612180A (en) | 2015-05-13 |
| CN104612180B CN104612180B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510086287.9A Active CN104612180B (en) | 2015-02-16 | 2015-02-16 | A kind of for seabed immersed tube tunnel immersed tube tube coupling segregation apparatus |
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| CN (1) | CN104612180B (en) |
Cited By (4)
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| CN105926678A (en) * | 2016-05-23 | 2016-09-07 | 中交第航务工程局有限公司 | Dismantling method for pipe joints of immersed tunnel |
| CN105926679A (en) * | 2016-05-23 | 2016-09-07 | 中交第航务工程局有限公司 | Dismounting method for pipe joints of immersed tube tunnel |
| CN111894037A (en) * | 2020-06-18 | 2020-11-06 | 中交第二航务工程局有限公司 | Immersed tube prefabricated end seal door installation construction method |
| CN112078737A (en) * | 2020-09-27 | 2020-12-15 | 中船黄埔文冲船舶有限公司 | Fixing device of immersed tube transport ship separating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926678A (en) * | 2016-05-23 | 2016-09-07 | 中交第航务工程局有限公司 | Dismantling method for pipe joints of immersed tunnel |
| CN105926679A (en) * | 2016-05-23 | 2016-09-07 | 中交第航务工程局有限公司 | Dismounting method for pipe joints of immersed tube tunnel |
| CN105926678B (en) * | 2016-05-23 | 2018-04-03 | 中交第一航务工程局有限公司 | Immersed tube tunnel tube coupling method for dismounting |
| CN111894037A (en) * | 2020-06-18 | 2020-11-06 | 中交第二航务工程局有限公司 | Immersed tube prefabricated end seal door installation construction method |
| CN112078737A (en) * | 2020-09-27 | 2020-12-15 | 中船黄埔文冲船舶有限公司 | Fixing device of immersed tube transport ship separating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612180B (en) | 2016-08-17 |
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