A measuring station-changing basket mounted on a shield segment
By installing a measurement station switching basket with a forced centering plate and angle adjustment components on the shield tunnel segments, the problems of inconvenient installation and inflexible angle adjustment of existing devices have been solved, enabling fast and accurate measurement and a simplified installation process, thus improving the efficiency of shield tunnel construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOHYDRO ENG BUREAU 4
- Filing Date
- 2025-07-21
- Publication Date
- 2026-06-26
AI Technical Summary
Existing measurement station switching devices are inconvenient to install in shield tunnel construction, and the angle adjustment is not flexible enough, which affects measurement accuracy and construction efficiency.
A surveying station-changing basket installed on shield tunnel segments was designed, comprising a forced centering plate, an angle adjustment assembly, and a total station body. It is conveniently installed via lifting lugs, and the angle is flexibly adjusted using screws and limit grooves, combined with leveling bubble tubes.
It enables rapid and accurate adjustment of measurement angles, improves measurement accuracy and construction efficiency, simplifies the installation process, and adapts to the needs of tunnel segments in different directions.
Smart Images

Figure CN224413626U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of shield tunneling surveying equipment, and in particular to a surveying station switching basket installed on shield tunnel segments. Background Technology
[0002] During shield tunnel construction, frequent measurement station switching operations are necessary to ensure the accuracy and orientation of the tunnel. Currently, existing measurement station switching devices are inconvenient to install, involving a cumbersome process that consumes considerable time and manpower. Furthermore, the existing devices lack flexibility in angle adjustment, making it difficult to quickly and accurately adjust the measurement angle according to actual measurement needs, which to some extent affects measurement accuracy and construction efficiency. Therefore, there is an urgent need for a measurement station switching platform that is easy to install and offers flexible angle adjustment to solve these problems. Utility Model Content
[0003] In view of this, the present invention aims to provide a measurement and switching platform installed on the tunnel lining segments to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial alternative.
[0004] The technical solution of this utility model embodiment is implemented as follows:
[0005] A surveying station-changing gantry installed on a tunnel lining segment includes a forced centering plate and a total station body installed on the forced centering plate. It also includes: a bracket fixed to one end of the forced centering plate, an angle adjustment component fixed to the top of the bracket, an installation plate installed on the top of the angle adjustment component, and a lifting lug obliquely fixed to the side of one end of the installation plate.
[0006] Preferably, the angle adjustment assembly includes a mounting frame fixed to the top of the bracket and a connecting plate fixed to the top of the mounting frame. The bottom of the connecting plate is symmetrically fixed with mounting semicircles. The two sets of mounting semicircles are located on both sides of the mounting frame and have limiting grooves. The assembly also includes a screw rod, which passes through the limiting groove at one end of the mounting frame and exits through the limiting groove on the other end of the mounting semicircle. One end of the screw rod is threadedly connected to a nut.
[0007] Preferably, the total station body is fixed to the forced centering plate by forced centering connecting screws.
[0008] Preferably, the limiting groove is arc-shaped.
[0009] Preferably, the mounting plate and the connecting plate are fixed together by a number of sets of connecting screws.
[0010] Preferably, the mounting plate and the connecting plate are squares with the same shape and thickness, which facilitates rotation and adjustment of the installation direction according to actual needs. The mounting plate and the connecting plate have eight screw holes evenly distributed on their sides, and the connecting screws are threaded through the screw holes.
[0011] Preferably, the two connecting screws located on the side are longer than the other connecting screws, which facilitates fixing.
[0012] Preferably, the forced centering plate is equipped with a leveling bubble tube for leveling purposes.
[0013] The present invention has the following advantages due to the adoption of the above technical solution:
[0014] First, by setting up lifting lugs, the suspended basket can be easily installed on the tunnel boring machine pipe. The installation process is simple and quick, saving time and manpower.
[0015] Second, the design of the angle adjustment component allows the forced centering plate to be flexibly adjusted in angle. By moving the screw in the arc-shaped limiting groove, the measurement angle can be quickly and accurately adjusted according to the actual measurement needs, thus improving the measurement accuracy.
[0016] Third, the overall structural design is reasonable, which improves the efficiency of measurement station switching and is conducive to the smooth progress of shield tunnel construction.
[0017] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a structural diagram of the present invention;
[0020] Figure 2 This is a structural diagram from another perspective of the present invention;
[0021] Figure 3 This is a structural diagram from a third perspective of the present invention;
[0022] Figure 4 This is a cross-sectional structural diagram of the present invention.
[0023] Reference numerals: 1. Forced centering plate; 2. Total station body; 3. Support frame; 4. Angle adjustment assembly; 5. Mounting plate; 6. Lifting lug; 7. Mounting frame; 8. Mounting semicircle; 9. Limiting groove; 10. Screw; 11. Nut; 12. Connecting plate; 13. Connecting screw; 15. Forced centering connecting screw; 16. Level tube bubble; 17. Screw hole. Detailed Implementation
[0024] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.
[0025] It is important to note that terms such as "first," "second," "symmetric," and "array" are used only to distinguish between descriptive and positional descriptions and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified with terms such as "first" or "symmetric" may explicitly or implicitly include one or more of that feature; similarly, when the quantity of certain features is not limited by words such as "two" or "three," it should be noted that such features also explicitly or implicitly include one or more features.
[0026] In this utility model, unless otherwise explicitly specified and limited, terms such as "installation," "connection," and "fixation" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection, a direct connection, a welding connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the accompanying drawings and specific circumstances.
[0027] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0028] like Figure 1-4The present invention provides a measurement station changing basket installed on a tunnel lining segment, including a forced centering plate 1 and a total station body 2 installed on the forced centering plate 1. It also includes: a bracket 3 fixed to one end of the forced centering plate 1, an angle adjustment component 4 fixed to the top of the bracket 3, an installation plate 5 installed on the top of the angle adjustment component 4, and a lifting lug 6 obliquely fixed to the side of one end of the installation plate 5. The angle adjustment component 4 includes an installation frame 7 fixed to the top of the bracket 3 and a connecting plate 12 fixed to the top of the installation frame 7. The bottom of the connecting plate 12 is symmetrically fixed with installation semicircles 8. The two sets of installation semicircles 8 are located on both sides of the installation frame 7 and have limit grooves 9. It also includes a screw 10, which passes through the limit groove 9 at one end, through the installation frame 7, and out through the limit groove 9 on the installation semicircle 8 at the other end. A nut 11 is threaded to one end of the screw 10.
[0029] In this embodiment, specifically, the total station body 2 is fixed to the forced centering plate 1 by the forced centering connecting screw 15.
[0030] In this embodiment, specifically, the limiting groove 9 is arc-shaped, the mounting plate 5 and the connecting plate 12 are fixed by several sets of connecting screws 13, the mounting plate 5 and the connecting plate 12 are squares with the same shape and thickness, which makes it convenient to rotate and adjust the installation direction according to actual needs, and eight screw holes 17 are evenly opened on the sides of the mounting plate 5 and the connecting plate 12, and the connecting screws 13 are threaded through the screw holes 17.
[0031] In this embodiment, specifically, the two connecting screws 13 located on the side are longer than the other connecting screws 13, which facilitates fixing and forces the installation of the leveling bubble tube 16 on the centering plate 1 to achieve leveling.
[0032] When this utility model is in operation:
[0033] Device installation
[0034] First, install the total station body 2 onto the forced centering plate 1 using the forced centering connecting screws 15 to complete the installation of the total station.
[0035] 2. Fix bracket 3 to one end of the forced centering plate 1 to ensure that bracket 3 is tightly connected to the forced centering plate 1.
[0036] 3. Secure the mounting frame 7 of the angle adjustment component 4 to the top of the bracket 3.
[0037] 4. Fix the connecting plate 12 to the top of the mounting frame 7. At this time, the two sets of mounting semicircles 8 at the bottom of the connecting plate 12 are located on both sides of the mounting frame 7.
[0038] 5. Insert the screw 10 into the limiting groove 9 of the semicircle 8 at one end, pass through the mounting frame 7, and then exit from the limiting groove 9 of the semicircle 8 at the other end. Then thread the nut 11 onto one end of the screw 10.
[0039] 6. Fix the mounting plate 5 and the connecting plate 12 with several sets of connecting screws 13. The mounting plate 5 and the connecting plate 12 are squares with the same shape and thickness. Eight screw holes 17 are evenly opened on the sides of the two plates. The connecting screws 13 are threaded through the screw holes 17. The two connecting screws 13 located on the side are longer than the other connecting screws 13, which facilitates fixing.
[0040] 7. A lifting lug 6 is obliquely fixed to the side of one end of the mounting plate 5. The lifting lug 6 can be rotated 90 degrees with the corresponding connecting plate 12 of the mounting plate 5 to adapt to the installation requirements of shield tunnel segments in different directions.
[0041] 8. Finally, the basket is installed on the shield tunnel segment by the lifting lug 6, and the leveling tube bubble 16 is installed on the centering plate 1 for leveling.
[0042] Angle adjustment and measurement station change
[0043] When the measurement angle needs to be adjusted, loosen the nut 11 at one end of the screw 10, allowing the screw 10 to move within the limiting groove 9. Adjust the angle of the mounting plate 5 according to the measurement requirements. At this time, the lifting lug 6 can rotate 90 degrees with the mounting plate 5 for easy installation and positioning. After adjusting to the appropriate angle, tighten the nut 11 to fix the screw 10. Simultaneously, observe the bubble in the level tube 16 to ensure that the forced centering plate 1 is in a horizontal state, thereby fixing the measurement angle. When a measurement station change is required, move the basket to the new measurement position using the lifting lug 6 and repeat the above angle adjustment and leveling steps to complete the measurement station change operation.
[0044] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A surveying station-changing cradle installed on a tunnel lining segment, comprising a forced centering plate (1) and a total station body (2) installed on the forced centering plate (1), characterized in that, Also includes: One end of the forced centering plate (1) is fixed to a bracket (3), the top of the bracket (3) is fixed to an angle adjustment component (4), the top of the angle adjustment component (4) is equipped with an mounting plate (5), and a lifting lug (6) is obliquely fixed to the side of one end of the mounting plate (5).
2. The measurement and switching platform installed on the tunnel lining segment according to claim 1, characterized in that: The angle adjustment assembly (4) includes a mounting frame (7) fixed to the top of the bracket (3) and a connecting plate (12) fixed to the top of the mounting frame (7). The bottom of the connecting plate (12) is symmetrically fixed with mounting semicircles (8). The two sets of mounting semicircles (8) are located on both sides of the mounting frame (7) and have limiting grooves (9) on them. The assembly also includes a screw (10). The screw (10) passes through the limiting groove (9) at one end, through the mounting frame (7), and exits through the limiting groove (9) on the mounting semicircle (8) at the other end. One end of the screw (10) is threadedly connected to a nut (11).
3. A surveying and switching platform installed on a tunnel lining segment according to claim 2, characterized in that: The total station body (2) is fixed to the forced centering plate (1) by forced centering connecting screws (15).
4. A surveying and switching platform installed on a tunnel lining segment according to claim 3, characterized in that: The limiting groove (9) is arc-shaped.
5. A surveying and switching platform installed on a tunnel lining segment according to claim 4, characterized in that: The mounting plate (5) and the connecting plate (12) are fixed by a number of sets of connecting screws (13).
6. A surveying and switching platform installed on a tunnel lining segment according to claim 5, characterized in that: The mounting plate (5) and the connecting plate (12) are square with the same shape and thickness, which makes it convenient to rotate and adjust the installation direction according to actual needs. The mounting plate (5) and the connecting plate (12) have eight screw holes (17) evenly opened on their sides, and the connecting screw (13) is threaded through the screw hole (17).
7. A surveying and switching platform installed on a tunnel lining segment according to claim 6, characterized in that: The two connecting screws (13) located on the side are longer than the other connecting screws (13), which facilitates fixing.
8. A surveying and switching platform installed on a tunnel lining segment according to claim 7, characterized in that: The forced centering plate (1) is equipped with a leveling bubble tube (16) for leveling purposes.