CN214836465U - Anchor holds in palm device suitable for shield tunnel under water - Google Patents
Anchor holds in palm device suitable for shield tunnel under water Download PDFInfo
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- CN214836465U CN214836465U CN202120490884.9U CN202120490884U CN214836465U CN 214836465 U CN214836465 U CN 214836465U CN 202120490884 U CN202120490884 U CN 202120490884U CN 214836465 U CN214836465 U CN 214836465U
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Abstract
The utility model discloses an anchor holds in palm device suitable for shield tunnel under water. The spiral tray comprises a spiral tray, a sealing ring, a sealing gasket and a nut; the spiral tray is in an inverted T-shaped structure; the sealing ring is sleeved on the spiral tray; the nut is positioned below the spiral tray; the sealing gasket is arranged between the spiral tray and the nut; the spiral tray, the sealing ring, the sealing gasket and the nut are all provided with anchor rod holes. The utility model discloses can make section of jurisdiction, stock, anchor hold in the palm device three and become an organic whole, carry out effective separation with the inside operation region in tunnel and outside high moisture region at secondary slip casting in-process, avoid restoring the section of jurisdiction and gush water, the risk of infiltration in-process, easy operation, flexibility, use cost is low, and the practicality is strong, recoverable use.
Description
Technical Field
The utility model relates to a civil engineering technical field, it is an anchor holds in palm device suitable for shield tunnel under water that the more specifically says so.
Background
In the field of civil engineering, a shield tunnel mode is often adopted to cross rivers, lakes and seas, and the underwater shield tunnel crossing the rivers, the lakes and the seas is confronted with the condition of high water pressure. And in the tunneling process of the shield tunnel, a shield machine is adopted to assemble the segments, and the synchronous grouting of the shield tail is kept. However, water burst and water leakage of underwater tunnels still remain a very common problem. The conventional treatment method is to carry out secondary grouting, namely, drilling holes at the hoisting holes of the duct pieces and adopting a hollow grouting anchor rod to carry out grouting and water stopping. However, for the underwater tunnel, due to the existence of high external water pressure, the conventional secondary grouting can enable the high external water pressure area of the tunnel to be communicated with the working area in the tunnel, so that the problems that external water suddenly gushes in, grout cannot be injected and the like are encountered, and serious risks such as segment cracking, damage and river water injection can be caused even in severe cases. For the underwater tunnel, the water gushing and water leakage of the duct piece are prevented, and the risk of controlling and repairing the water leakage process needs to be highly valued.
Therefore, it is necessary to develop a device for preventing the water from flowing and leaking from the duct piece of the underwater tunnel and controlling and repairing the leaking water.
Disclosure of Invention
The utility model aims at providing an anchor holds in palm device suitable for shield tunnel under water prevents that the section of jurisdiction in tunnel under water from gushing water, leaking, and the percolating water is restoreed in control.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides an anchor holds in palm device suitable for shield tunnel under water which characterized in that: comprises a spiral tray, a sealing ring, a sealing gasket and a nut;
the spiral tray is in an inverted T-shaped structure; the sealing ring is sleeved on the spiral tray;
the nut is positioned below the spiral tray; the sealing gasket is arranged between the spiral tray and the nut;
the spiral tray, the sealing ring, the sealing gasket and the nut are all provided with anchor rod holes.
In the above technical solution, the anchor rod hole includes a first anchor rod hole, a second anchor rod hole, a third anchor rod hole and a fourth anchor rod hole;
the first anchor rod hole, the second anchor rod hole, the third anchor rod hole and the fourth anchor rod hole are sequentially overlapped from top to bottom and are all of through hole structures.
In the technical scheme, the inner walls of the first anchor rod hole, the second anchor rod hole, the third anchor rod hole and the fourth anchor rod hole are all provided with wave-shaped internal threads;
the internal thread is matched with the waveform external thread arranged on the outer wall of the grouting anchor rod.
In the technical scheme, the spiral tray comprises a base plate, a vertical annular plate, a spiral layer and a semi-spiral layer;
the vertical annular plate is positioned on the outer side of the chassis, the spiral layer is positioned on the outer side of the vertical annular plate, and the semi-spiral layer is positioned on the outer side of the spiral layer; the inner sides of the chassis, the vertical annular plate, the spiral layer and the semi-spiral layer are superposed at the projection center point of the chassis;
the chassis, the vertical annular plate, the spiral layer and the semi-spiral layer are mutually rigidly connected;
the first anchor rod hole is formed in the middle of the vertical ring plate; the second anchor rod hole is arranged in the middle of the chassis; the third anchor rod hole is arranged in the middle of the sealing gasket; the fourth anchor rod hole is arranged in the middle of the nut.
In the technical scheme, the spiral layer and the semi-spiral layer are matched with the segment hoisting holes.
The utility model has the advantages of as follows:
(1) the anchor support device of the utility model is positioned at the hoisting hole, and the spiral pipe of the hoisting hole is utilized to make the anchor support device closely attached to the duct piece, thereby providing a basic working surface for grouting and water plugging; the sealing ring prevents the ground water and slurry from gushing and leaking between the pipe piece and the spiral tray; the wave-shaped internal thread of the sealing gasket is pressed and tightly meshed with the external thread of the anchor rod through the nut, so that the leakage of underground water and slurry along the outer wall of the anchor rod is prevented;
(2) when the tunnel across the river is repaired by adopting a secondary grouting method in case of water seepage, water burst and the like, the pipe piece, the anchor rod and the anchor support device can be integrated into a whole, the inner operation area and the outer high-moisture area of the tunnel are effectively separated in the secondary grouting process, and the risk in the repairing process is avoided; the utility model can effectively overcome the problems of water gushing, slurry gushing and the like in the secondary grouting process of the underwater tunnel, and avoid the risks of cracking and damage of the segments, river water pouring and the like caused by water gushing;
(3) the utility model is simple in operation, nimble, use cost is low, and the practicality is strong, recoverable use.
Drawings
Fig. 1 is a schematic view of the use structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
A in fig. 1 indicates a segment outside/high water pressure zone; b denotes the inner side of the tube sheet.
In the figure, 1-spiral tray, 1.1-base plate, 1.2-vertical annular plate, 1.3-spiral layer, 1.4-half spiral layer, 2-sealing ring, 3-sealing gasket, 4-nut, 5-tunnel segment, 6-segment hoisting hole, 7-grouting anchor rod, 8-anchor rod hole, 8.1-first anchor rod hole, 8.2-second anchor rod hole, 8.3-third anchor rod hole, 8.4-fourth anchor rod hole, 9-wave internal thread and 10-wave external thread.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
With reference to the accompanying drawings: an anchor support device suitable for an underwater shield tunnel comprises a spiral tray 1, a sealing ring 2, a sealing gasket 3 and a nut 4;
the spiral tray 1 is in an inverted T-shaped structure; the spiral tray 1 is positioned at a segment hoisting hole 6 of a tunnel segment 5, and the grouting anchor rod 7 penetrates through the spiral tray 1 and is fixed on the spiral tray 1;
the sealing ring 2 is sleeved on the spiral tray 1; the sealing ring 2 is positioned between the lining segment hoisting hole and the spiral tray 1, plays a role in sealing and prevents water leakage between the lining segment hoisting hole and the spiral tray 1;
the nut 4 is positioned below the spiral tray 1, and the grouting anchor rod 7 is locked on the spiral tray 1 by the nut 4;
the sealing gasket 3 is positioned between the spiral tray 1 and the nut 4, plays a role in sealing and prevents water leakage between the spiral tray 1 and the nut 4;
anchor rod holes 8 (shown in figures 1 and 2) are formed in the spiral tray 1, the sealing ring 2, the sealing gasket 3 and the nut 4; the grouting anchor rod 7 penetrates through the anchor rod hole 8 and is tightly connected with the spiral tray 1, the sealing ring 2, the sealing gasket 3 and the nut 4;
Further, anchor openings 8 include a first anchor opening 8.1, a second anchor opening 8.2, a third anchor opening 8.3 and a fourth anchor opening 8.4;
the first anchor rod hole 8.1, the second anchor rod hole 8.2, the third anchor rod hole 8.3 and the fourth anchor rod hole 8.4 are sequentially overlapped from top to bottom and are all in a through hole structure;
the first anchor rod hole 8.1 is larger than the second anchor rod hole 8.2; the anchor rod can conveniently penetrate through the duct piece lifting hole, the operation is convenient, the vertical annular plate 1.2, the spiral layer 1.3 and the semi-spiral layer 1.4 are convenient to match with the duct piece lifting hole, and the material and the cost are saved;
the second anchor rod hole 8.2, the third anchor rod hole 8.3 and the fourth anchor rod hole 8.4 have the same aperture and the center points are superposed; the grouting anchor rod 7 sequentially passes through a first anchor rod hole 8.1, a second anchor rod hole 8.2, a third anchor rod hole 8.3 and a fourth anchor rod hole 8.4 (as shown in figures 1 and 2) from top to bottom, and is tightly connected with the spiral tray 1, the sealing ring 2, the sealing gasket 3 and the nut 4 to form a water stop system.
Furthermore, the inner walls of the first anchor rod hole 8.1, the second anchor rod hole 8.2, the third anchor rod hole 8.3 and the fourth anchor rod hole 8.4 are all provided with wave-shaped internal threads 9;
the internal thread 9 matches with the wave form external thread 10 that slip casting stock 7 outer wall set up, and slip casting stock 7 passes through threaded connection with first anchor rod hole 8.1, second anchor rod hole 8.2, third anchor rod hole 8.3 and fourth anchor rod hole 8.4, and the zonulae occludens of being convenient for is 1, sealing washer 2, sealed 3 and nut 4, prevents to become flexible and leak.
Further, the spiral tray 1 comprises a chassis 1.1, a vertical ring plate 1.2, a spiral layer 1.3 and a semi-spiral layer 1.4;
the vertical annular plate 1.2 is positioned at the outer side of the chassis 1.1, the spiral layer 1.3 is positioned at the outer side of the vertical annular plate 1.2, and the semi-spiral layer 1.4 is positioned at the outer side of the spiral layer 1.3; the chassis 1.1, the vertical annular plate 1.2, the spiral layer 1.3 and the inner side of the semi-spiral layer 1.4 are superposed at the projection central point of the chassis 1.1, so that the structural stability is ensured;
the chassis 1.1, the vertical ring plate 1.2, the spiral layer 1.3 and the semi-spiral layer 1.4 are rigidly connected with each other (namely, the vertical ring plate 1.2 is rigidly connected with the chassis 1.1, the spiral layer 1.3 and the semi-spiral layer 1.4 respectively, and the spiral layer 1.3 is rigidly connected with the semi-spiral layer 1.4);
the first anchor rod hole 8.1 is arranged in the center of the vertical annular plate 1.2; the second anchor rod hole 8.2 is arranged in the center of the chassis 1.1; the third anchor rod hole 8.3 is arranged in the center of the sealing gasket 3; a fourth anchor eye 8.4 is provided in the centre of the nut 4.
Further, spiral layer 1.3 and half spiral layer 1.4 all match with section of jurisdiction hole for hoist 6 (as shown in fig. 1, fig. 2), and spiral layer 1.3 and half spiral layer 1.4 on the spiral tray 1 of being convenient for all are connected with section of jurisdiction hole for hoist 6 zonulae, carry out local stagnant water, prevent to become flexible and leak.
Examples
An anchor support device suitable for an underwater shield tunnel comprises a spiral tray 1, a sealing ring 2, a sealing gasket 3 and a nut 4; the spiral tray 1 is in an inverted T-shaped structure; the spiral tray 1 is positioned at a segment hoisting hole 6 of a tunnel segment 5; the sealing ring 2 is sleeved on the spiral tray 1; the nut 4 is positioned below the spiral tray 1;
the sealing gasket 3 is positioned between the spiral tray 1 and the nut 4; anchor rod holes 8 (shown in figures 1 and 2) are formed in the spiral tray 1, the sealing ring 2, the sealing gasket 3 and the nut 4; spiral tray 1, sealing washer 2, sealed 3 and the nut 4 of filling up form a complete stagnant water system with section of jurisdiction hole for hoist 6, slip casting stock 7, carry out effective separation with the inside operation region in tunnel and outside high moisture area.
The chassis 1.1 is in a disc shape; the outer diameter of the chassis 1.1 is 80 mm; the structure of chassis 1.1 matches with the structure of section of jurisdiction hole for hoist 6, and closely blocks section of jurisdiction hole for hoist 6, carries out local stagnant water, prevents to leak.
The sealing gasket 3 is of an annular structure; the thickness of the sealing gasket 3 is 5 mm; the sealing gasket 3 is made of water-swelling water-stopping rubber water-stopping material; the sealing gasket 3 is used for sealing the base plate 1.1 and the nut 4 to prevent water leakage.
The sealing ring 2 is of an annular structure; the thickness of the sealing ring 2 is 3 mm; the sealing ring 2 is made of water-swelling water-stopping rubber water-stopping material; the sealing ring 2 is used for sealing the segment hoisting hole 6 and the chassis 1.1 to prevent water leakage.
The nominal diameter of the threads of the spiral layer 1.3 and the semi-spiral layer 1.4 are both 54 mm.
The using method of the anchor supporting device suitable for the underwater shield tunnel comprises the following steps:
step a: drilling holes at a segment hoisting hole 6 of a tunnel segment 5 at the water seepage position of the underwater tunnel to penetrate through the tunnel segment 5;
step b: mounting a grouting anchor rod 7 at the segment hoisting hole 6, and enabling the grouting anchor rod 7 to enter a rock-soil body;
step c: installing a spiral tray 1 and a sealing ring 2, enabling the spiral tray 1 to be tightly connected with a segment hoisting hole 6, fixing a grouting anchor rod 7, compacting the sealing ring 2, and preventing water and slurry from leaking from the sealing ring 2;
step d: installing a sealing gasket 3 and a nut 4 on a grouting anchor rod 7, and compacting the sealing gasket 3 and the spiral tray 1 through the nut 4 to form a complete water stop system;
step e: grouting the grouting anchor rod 7 and the like to achieve the purpose of water stopping;
step f: and (3) after the grouting water stop effect is achieved, removing the anchor support device suitable for the underwater shield tunnel, and recovering (as shown in figures 1 and 2).
Other parts not described belong to the prior art.
Claims (5)
1. The utility model provides an anchor holds in palm device suitable for shield tunnel under water which characterized in that: comprises a spiral tray (1), a sealing ring (2), a sealing gasket (3) and a nut (4);
the spiral tray (1) is of an inverted T-shaped structure; the sealing ring (2) is sleeved on the spiral tray (1);
the nut (4) is positioned below the spiral tray (1); the sealing gasket (3) is arranged between the spiral tray (1) and the nut (4);
the spiral tray (1), the sealing ring (2), the sealing gasket (3) and the nut (4) are all provided with an anchor rod hole (8).
2. The anchoring device applicable to the underwater shield tunnel according to claim 1, wherein: the anchor rod hole (8) comprises a first anchor rod hole (8.1), a second anchor rod hole (8.2), a third anchor rod hole (8.3) and a fourth anchor rod hole (8.4);
the first anchor rod hole (8.1), the second anchor rod hole (8.2), the third anchor rod hole (8.3) and the fourth anchor rod hole (8.4) are sequentially overlapped from top to bottom and are all of through hole structures.
3. The anchoring device applicable to the underwater shield tunnel according to claim 2, wherein: the inner walls of the second anchor rod hole (8.2), the third anchor rod hole (8.3) and the fourth anchor rod hole (8.4) are all provided with wave-shaped internal threads (9);
the internal thread (9) is matched with a waveform external thread (10) arranged on the outer wall of the grouting anchor rod (7).
4. The anchoring device applicable to underwater shield tunnels according to claim 3, wherein: the spiral tray (1) comprises a chassis (1.1), a vertical annular plate (1.2), a spiral layer (1.3) and a semi-spiral layer (1.4);
the vertical annular plate (1.2) is positioned at the outer side of the chassis (1.1), the spiral layer (1.3) is positioned at the outer side of the vertical annular plate (1.2), and the semi-spiral layer (1.4) is positioned at the outer side of the spiral layer (1.3); the inner sides of the chassis (1.1), the vertical annular plate (1.2), the spiral layer (1.3) and the semi-spiral layer (1.4) are superposed at the projection central point of the chassis (1.1);
the chassis (1.1), the vertical annular plate (1.2), the spiral layer (1.3) and the semi-spiral layer (1.4) are rigidly connected with each other;
the first anchor rod hole (8.1) is arranged in the middle of the vertical annular plate (1.2); the second anchor rod hole (8.2) is arranged in the middle of the chassis (1.1); the third anchor rod hole (8.3) is arranged in the middle of the sealing gasket (3); the fourth anchor rod hole (8.4) is arranged in the middle of the nut (4).
5. The anchoring device applicable to the underwater shield tunnel according to claim 4, wherein: the spiral layer (1.3) and the semi-spiral layer (1.4) are matched with the segment hoisting hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490884.9U CN214836465U (en) | 2021-03-08 | 2021-03-08 | Anchor holds in palm device suitable for shield tunnel under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490884.9U CN214836465U (en) | 2021-03-08 | 2021-03-08 | Anchor holds in palm device suitable for shield tunnel under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836465U true CN214836465U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120490884.9U Active CN214836465U (en) | 2021-03-08 | 2021-03-08 | Anchor holds in palm device suitable for shield tunnel under water |
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| Country | Link |
|---|---|
| CN (1) | CN214836465U (en) |
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2021
- 2021-03-08 CN CN202120490884.9U patent/CN214836465U/en active Active
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