CN211948593U - Immersed tube tunnel tube coupling joint displacement monitoring device - Google Patents
Immersed tube tunnel tube coupling joint displacement monitoring device Download PDFInfo
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- CN211948593U CN211948593U CN201922298086.1U CN201922298086U CN211948593U CN 211948593 U CN211948593 U CN 211948593U CN 201922298086 U CN201922298086 U CN 201922298086U CN 211948593 U CN211948593 U CN 211948593U
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Abstract
The utility model provides a immersed tube tunnel tube coupling connects displacement monitoring devices, include: the device comprises a telescopic displacement sensor (1), an adapter plate (2) and a telescopic rod (3); the telescopic displacement sensor (1) is connected with the adapter plate (2) through a telescopic rod (3); the inner surface (9) of the adapter plate (2) is a smooth plane; the telescopic rod (3) is in a compressed state initially. The end head (10) of the telescopic rod (3) is spherical. The utility model discloses a tube coupling connects flexible and sliding construction of displacement monitoring structure, has realized the beneficial effect that the accurate measurement immersed tube tunnel connects the folk prescription to the displacement.
Description
Technical Field
The utility model relates to a displacement monitoring devices field specifically, relates to a immersed tube tunnel tube coupling connects displacement monitoring devices.
Background
The displacement of the pipe joint of the immersed tube tunnel is an important index for health monitoring and safety monitoring of the immersed tube tunnel. The immersed tube tunnel is a channel formed by sinking and butting tube joints in water, the tube joint is a part which needs to be focused by a tunnel operation management unit, in the operation process of the immersed tube tunnel, the tube joint is influenced by various factors such as earthquake, water flow, temperature stress, foundation settlement and the like, and the tube joint can generate displacement in three directions of longitudinal opening, vertical dislocation and horizontal dislocation. The traditional immersed tube tunnel joint opening amount monitoring device and method disclosed in patent document CN109797782A includes rod pieces and a displacement sensor connected between the rod pieces, wherein a first preformed hole and a second preformed hole with opposite openings are formed at the joint of adjacent immersed tubes, the first rod piece is fixedly installed in the first preformed hole, and the second rod piece is fixedly installed in the second preformed hole.
However, in the conventional pipe joint displacement monitoring device, a displacement sensor is adopted to cross a joint and is fixedly installed on pipe joints on two sides. The monitoring result of the monitoring device is a composite value of displacement in three directions, the monitoring value cannot achieve the actual effect, and displacement in three directions of longitudinal opening, vertical dislocation and horizontal dislocation of the pipe joint cannot be monitored.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an immersed tube tunnel coupling joint displacement monitoring devices.
According to the utility model provides a pair of immersed tube tunnel tube coupling joint displacement monitoring devices, include: the device comprises a telescopic displacement sensor 1, an adapter plate 2 and a telescopic rod 3;
the telescopic displacement sensor 1 is connected with the adapter plate 2 through a telescopic rod 3;
the inner surface 9 of the adapter plate 2 is a smooth plane;
the telescopic rod 3 is initially in a compressed state.
Preferably, the end 10 of the telescopic rod 3 is spherical.
Preferably, the telescopic rod 3 is vertically and slidably connected to the adapter plate 2.
Preferably, the telescopic displacement sensor 1 is provided with a bolt 7.
Preferably, the adapter plate 2 is provided with bolts 7.
Preferably, the bolt 7 is plural.
Preferably, the adapter plate 2 is of a square structure.
Preferably, the frame 8 of the adapter plate 2 is designed to be slip-proof.
Preferably, the side length of the adapter plate 2 is 25-30cm, and the thickness is 0.5-1 cm.
Preferably, the telescopic rod 3 is cylindrical, and the rod length is 15-20 cm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a tube coupling connects flexible and sliding construction of displacement monitoring structure, has realized the beneficial effect that the accurate measurement immersed tube tunnel connects the folk prescription to the displacement.
2. Through keysets and the slidable structure of slip telescopic link free end, realized the flexible displacement sensor of protection, do not produce the beneficial effect of destruction because of the multi-direction displacement of coupling.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of a displacement monitoring device for a pipe joint of a immersed tunnel.
Fig. 2 is a schematic structural diagram of the interposer.
Fig. 3 is a schematic structural diagram of the telescopic displacement sensor.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the present invention provides a displacement monitoring device for a pipe joint of a immersed tunnel, comprising: the device comprises a telescopic displacement sensor 1, an adapter plate 2 and a telescopic rod 3; the telescopic displacement sensor 1 is connected with the adapter plate 2 through a telescopic rod 3; the inner surface 9 of the adapter plate 2 is a smooth plane; the telescopic rod 3 is initially in a compressed state. The end 10 of the telescopic rod 3 is spherical. In the preferred embodiment, displacement sensor passes through telescopic link and switching steel sheet sliding connection, and when the tube coupling joint had the displacement, the telescopic link took place compression or tensile or slip, and displacement sensor can accurate monitoring department the displacement in this direction.
Further, the telescopic rod 3 is vertically and slidably connected to the adapter plate 2; the telescopic displacement sensor 1 is provided with a bolt 7; the adapter plate 2 is provided with a bolt 7; the number of the bolts 7 is plural. In a preferred embodiment, the displacement sensor is a telescopic displacement sensor, and the end of a telescopic rod of the displacement sensor is spherical and easy to slide; the frame of the switching steel plate is rough so as to prevent the telescopic rod from moving out of the steel plate due to overlarge displacement, and the inner surface of the switching steel plate is subjected to smooth treatment so as to facilitate the movement of the end head of the telescopic rod. In a preferred embodiment, the telescopic displacement sensor 1 is fixed on the surface of the left pipe joint 4 through a plurality of bolts 7, and the telescopic rod 3 abuts against the center of the surface of the transfer steel plate 2; the adapter steel plate is fixedly arranged on the surface of the right pipe joint 5 through a plurality of bolts 7 and is vertical to the surface of the right pipe joint 5; the telescopic rod 3 is initially in a compressed state, and the telescopic displacement sensor 1 has an initial compression displacement. When the left pipe joint 4 or the right pipe joint 5 is displaced, when the expansion amount or the compression amount is longitudinal, the expansion rod is stretched or compressed, and the displacement sensor monitors the longitudinal displacement. When the pipe joint is vertically or horizontally staggered, the end of the telescopic rod slides on the surface of the switching steel plate, and the telescopic displacement sensor has no displacement change. The pipe joint 6 is the joint of the left pipe joint 4 and the right pipe joint 5.
Furthermore, the adapter plate 2 is of a square structure; the frame 8 of the adapter plate 2 adopts an anti-skid design; the side length of the adapter plate 2 is 25-30cm, and the thickness is 0.5-1 cm; the telescopic rod 3 is cylindrical, and the rod length is 15-20 cm. In a preferred embodiment, the telescopic displacement sensor is welded, bolted or glued to the surface of the tunnel joint structure through the sensor support. The telescopic displacement sensor can flexibly customize measuring range and specification size according to engineering requirements, and can flexibly customize sensor supports in different shapes according to engineering requirements. The switching steel sheet outward appearance is square structure, and the steel sheet is smooth easy slip with the internal surface of telescopic link contact, and the border position is coarse. The main effect of switching steel sheet lies in making the telescopic link can slide under the state that keeps compressing for, and switching steel sheet and the perpendicular fixed connection of tunnel joint side wall. The telescopic link is cylindrical, and structural rigidity and intensity satisfy the requirement. The length of the rod is 15-20cm, and the length exceeds the width of the joint seam.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but 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 application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a displacement monitoring devices of immersed tube tunnel coupling, its characterized in that includes: the device comprises a telescopic displacement sensor (1), an adapter plate (2) and a telescopic rod (3);
the telescopic displacement sensor (1) is connected with the adapter plate (2) through a telescopic rod (3);
the inner surface (9) of the adapter plate (2) is a smooth plane;
the telescopic rod (3) is in a compressed state initially.
2. The immersed tube tunnel pipe joint displacement monitoring device according to claim 1, wherein the end head (10) of the telescopic rod (3) is spherical.
3. The immersed tunnel pipe joint displacement monitoring device according to claim 1, wherein the telescopic rod (3) is vertically and slidably connected to the adapter plate (2).
4. The immersed tube tunnel tube joint connector displacement monitoring device according to claim 1, wherein a bolt (7) is arranged on the telescopic displacement sensor (1).
5. The immersed tube tunnel tube joint connector displacement monitoring device according to claim 4, wherein a bolt (7) is arranged on the adapter plate (2).
6. The immersed tube tunnel coupling joint displacement monitoring device according to claim 5, wherein the bolt (7) is multiple.
7. The immersed tube tunnel tube joint connector displacement monitoring device according to claim 1, wherein the adapter plate (2) is of a square structure.
8. The immersed tube tunnel tube joint displacement monitoring device of claim 1, wherein the frame (8) of the adapter plate (2) is of an anti-slip design.
9. The immersed tube tunnel tube joint connector displacement monitoring device of claim 1, wherein the side length of the adapter plate (2) is 25-30cm, and the thickness is 0.5-1 cm.
10. The immersed tunnel pipe joint displacement monitoring device according to claim 1, wherein the telescopic rod (3) is cylindrical and has a rod length of 15-20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298086.1U CN211948593U (en) | 2019-12-19 | 2019-12-19 | Immersed tube tunnel tube coupling joint displacement monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922298086.1U CN211948593U (en) | 2019-12-19 | 2019-12-19 | Immersed tube tunnel tube coupling joint displacement monitoring device |
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| CN211948593U true CN211948593U (en) | 2020-11-17 |
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| CN201922298086.1U Active CN211948593U (en) | 2019-12-19 | 2019-12-19 | Immersed tube tunnel tube coupling joint displacement monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390348A (en) * | 2021-06-11 | 2021-09-14 | 上海交大海科检测技术有限公司 | Underwater intelligent butt joint monitoring test device and method for immersed tunnel |
| CN115094952A (en) * | 2022-06-24 | 2022-09-23 | 中交天津港湾工程研究院有限公司 | Immersed tube tunnel jacking type final joint displacement calculation method |
| CN115638758A (en) * | 2022-12-26 | 2023-01-24 | 中交第一航务工程局有限公司 | Immersed tunnel horizontal displacement monitoring method |
-
2019
- 2019-12-19 CN CN201922298086.1U patent/CN211948593U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390348A (en) * | 2021-06-11 | 2021-09-14 | 上海交大海科检测技术有限公司 | Underwater intelligent butt joint monitoring test device and method for immersed tunnel |
| CN113390348B (en) * | 2021-06-11 | 2024-03-22 | 上海交通大学 | Immersed tube tunnel underwater intelligent butt joint monitoring test device and method thereof |
| CN115094952A (en) * | 2022-06-24 | 2022-09-23 | 中交天津港湾工程研究院有限公司 | Immersed tube tunnel jacking type final joint displacement calculation method |
| CN115094952B (en) * | 2022-06-24 | 2023-08-22 | 中交天津港湾工程研究院有限公司 | Calculation method for jacking type final joint displacement of immersed tube tunnel |
| CN115638758A (en) * | 2022-12-26 | 2023-01-24 | 中交第一航务工程局有限公司 | Immersed tunnel horizontal displacement monitoring method |
| CN115638758B (en) * | 2022-12-26 | 2023-04-18 | 中交第一航务工程局有限公司 | Immersed tube tunnel horizontal displacement monitoring method |
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