Shield tunnel circular seam detection device

Abstract

The utility model relates to the technical field of shield measurement, in particular to a shield tunnel circular seam detection device. The technical problems are as follows: the detection of the width of the tunnel circular seam at present mainly utilizes a method of combining measuring instruments such as a feeler gauge and a caliper with manual operation to carry out measurement and comparison, the efficiency is low, and rapid detection cannot be carried out; according to the technical scheme, the shield tunnel circular seam detection device comprises a mounting box, a mounting assembly, an adjusting assembly, a detection assembly and a shielding assembly; compared with the prior art for detecting the width of the circular seam of the tunnel, the device provided by the utility model mainly utilizes a method of combining measuring instruments such as a feeler gauge and a caliper with manual operation for measurement and comparison, so that the efficiency is lower, and rapid detection cannot be carried out; according to the utility model, the adjustable detection mechanism is arranged so as to adapt to circular seams generated by splicing segments of different sizes, and the width of the circular seams is detected through the insertion plates without measurement and reading, so that the detection is simple and clear.

Description

Technical Field

[0001] The utility model relates to the technical field of shield measurement, in particular to a shield tunnel annular seam detection device. Background Art

[0002] The annular joint of a shield tunnel is an important component of the lining structure of a shield tunnel. It is assembled from a series of segments. There are annular joints between the segment rings, which are called annular joints. The characteristics, detection and repair of the annular joints of a shield tunnel are crucial to the safety and stability of the tunnel. In the detection of annular joints, the width of the annular joint needs to be tested to ensure that it meets the design standards. Currently, the detection of the width of the tunnel annular joint is mainly carried out by combining measurement instruments such as feeler gauges and calipers with manual labor, which is inefficient and cannot be detected quickly. Utility Model Content

[0003] In order to overcome the current detection of tunnel annular seam width, the main method for measurement and comparison is to use feeler gauges, calipers and other measuring instruments combined with manual work, which has low efficiency and cannot perform rapid detection.

[0004] The technical solution of the utility model is: a shield tunnel annular seam detection device, comprising an installation box, an installation component, an adjustment component, a detection component and a shielding component, the installation component is arranged below the installation box, the adjustment component is arranged inside the installation box, the detection component is arranged on one side of the adjustment component, the detection component is arranged in two groups, and the shielding component is arranged on one side of the installation box.

[0005] Preferably, by setting up an installation component, the overall detection device can be fixed on an external mobile device, which is convenient for moving in the tunnel and detecting the annular seams in the tunnel. By setting up an adjustment component, the detection component can be installed and adjusted, so that the distance and positioning of the detection component can be adjusted according to tunnel segments of different sizes. By setting up a pair of detection components, the distance between two groups of annular seams and the width of the annular seams can be detected. By setting up a shielding component, the detection component can be shielded and protected when not in use.

[0006] Preferably, the installation assembly includes a base plate, reserved holes and magnets. The base plate is fixedly installed under the installation box. Multiple groups of reserved holes are opened at both ends of the base plate, and the magnets are fixedly installed under the base plate. The installation box is supported and installed by setting the base plate, and the entire device can be fixed with bolts by setting the reserved holes. The entire device can be temporarily fixed on an iron external mobile device by setting the magnets, which is more portable.

[0007] Preferably, the adjustment component includes a servo motor, a driving screw and an internal threaded slider. The servo motor is fixedly mounted on one side of the mounting box, the driving screw is arranged inside the mounting box, the driving screw is rotatably connected to the mounting box, one end of the driving screw is fixedly connected to the output end of the servo motor, the driving screw consists of two groups of threaded ends with equal pitch and opposite threads, the driving screw passes through the internal threaded slider, the driving screw is threadedly connected to the internal threaded slider, and two groups of internal threaded sliders are arranged; by arranging a servo motor, the driving screw can be driven to rotate, thereby driving the two groups of internal threaded sliders to move toward or away from each other, and the detection component is supported and installed by arranging the internal threaded slider.

[0008] Preferably, the adjustment component includes a guide rail, a limit plate and scale lines, the guide rail is fixedly installed inside the installation box, the internal thread slider is slidably connected to the installation box through the guide rail, the limit plate is fixedly installed inside the installation box, the limit plate is located on the periphery of the driving screw, the limit plate is located in the middle of the driving screw, and scale lines are provided on one side of the base plate; the movement of the internal thread slider is guided by setting the guide rail, the movement of the internal thread slider is limited by setting the limit plate, and the distance between the two groups of detection components can be confirmed by setting the scale lines.

[0009] Preferably, the detection component is provided with a mounting seat, a connecting shaft and an insert plate, the mounting seat is fixedly mounted on one side of the internal threaded slider, two groups of mounting seats are provided, the connecting shaft is provided between the two groups of mounting seats, the connecting shaft is rotatably connected to the mounting seat, and the insert plate is fixedly mounted on the periphery of the connecting shaft; the connecting shaft is installed by providing the mounting seat, the insert plate is installed by providing the connecting shaft, and the insert plate can be driven to rotate. When the device is not in use, the insert plate can be rotated to be stored in the installation box, and the annular seam can be detected by providing the insert plate.

[0010] Preferably, the detection component also includes a mounting groove and a pressure sensor. The mounting grooves are provided on both sides of the plug plate. The pressure sensor is arranged inside the mounting groove, and the pressure sensor is fixedly connected to the plug plate. The mounting groove is provided to provide an installation space for the pressure sensor. The plug plate inserted into the annular seam is positioned by providing the pressure sensor, and the width of the annular seam is detected. The model of the pressure sensor is LF-605-H15.

[0011] Preferably, the shielding assembly includes a shielding cover, a hinge and a magnetic lock. The shielding cover is arranged on one side of the installation box. The shielding cover is rotatably connected to the installation box through a hinge, and the magnetic lock is fixedly installed on one side of the shielding cover. The shielding cover is arranged to shield and protect the stored plug-in board when not in use, the shielding cover is installed by arranging a hinge, and the shielding cover is locked by arranging a magnetic lock.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the current detection of tunnel annular seam width, which is mainly carried out by combining feeler gauges, calipers and other measuring instruments with manual operations, the efficiency is low and rapid detection cannot be performed; the utility model is provided with an adjustable detection mechanism, so as to adapt to the annular seams produced by the splicing of pipe segments of different sizes, and detect the annular seam width between the plug plates, without the need for measurement readings, which is simple and clear;

[0014] 2. The servo motor can drive the lead screw to rotate, thereby driving the two sets of internal thread sliders to move toward or away from each other along the guide rail, so as to adjust the spacing between the plug plates installed on the internal thread sliders through the mounting seat to adapt to the annular seams formed by splicing pipe segments of different sizes;

[0015] 3. Insert the plug plate into the annular gap. If the spacing of the annular gap is uneven or the width of the annular gap is small, it cannot be inserted normally. When the width of the annular gap is normal, two groups of pressure sensors on a group of plug plates can contact the side wall inside the annular gap and send back signals. When the width of the annular gap is too large, at least one group of pressure sensors has no signal sent back, thereby realizing rapid detection of the width of the annular gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a first stereoscopic structural schematic diagram of the shield tunnel annular seam detection device of the utility model;

[0017] Figure 2 The second stereoscopic structure schematic diagram of the shield tunnel annular seam detection device of the utility model is shown;

[0018] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the detection component of the shield tunnel annular seam detection device of the utility model;

[0019] Figure 4 The third stereoscopic structure schematic diagram of the shield tunnel annular seam detection device of the utility model is shown;

[0020] Explanation of the accompanying drawings: 1. Installation box; 2. Installation assembly; 3. Adjustment assembly; 4. Detection assembly; 5. Shielding assembly; 201. Base plate; 202. Reserved hole; 203. Magnet; 301. Servo motor; 302. Driving screw; 303. Internally threaded slider; 304. Guide rail; 305. Limit plate; 306. Scale line; 401. Mounting seat; 402. Connecting shaft; 403. Insert plate; 404. Mounting slot; 405. Pressure sensor; 501. Cover; 502. Hinge; 503. Magnetic lock. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1The utility model provides an embodiment: a shield tunnel annular seam detection device, including an installation box 1, an installation component 2, an adjustment component 3, a detection component 4 and a shielding component 5, the installation component 2 is arranged below the installation box 1, the adjustment component 3 is arranged inside the installation box 1, the detection component 4 is arranged on one side of the adjustment component 3, the detection component 4 is arranged in two groups, and the shielding component 5 is arranged on one side of the installation box 1.

[0023] See also Figure 2 In this embodiment, the mounting assembly 2 includes a bottom plate 201, a reserved hole 202 and a magnet 203. The bottom plate 201 is fixedly mounted below the mounting box 1. Two ends of the bottom plate 201 are provided with multiple groups of reserved holes 202. The magnet 203 is fixedly mounted below the bottom plate 201. The mounting box 1 is supported and mounted by setting the bottom plate 201. The entire device can be fixed by bolts by setting the reserved holes 202. The entire device can be temporarily fixed to the external movable part of the iron by setting the magnet 203. The device is more portable; the adjustment component 3 includes a servo motor 301, a driving screw 302 and an internal thread slider 303. The servo motor 301 is fixedly installed on one side of the installation box 1, and the driving screw 302 is arranged inside the installation box 1. The driving screw 302 is rotatably connected to the installation box 1, and one end of the driving screw 302 is fixedly connected to the output end of the servo motor 301. The driving screw 302 consists of two groups of thread segments with equal pitch and opposite threads. The driving screw 302 passes through the internal thread slider 303. The driving screw 302 is threadedly connected with the internal thread slider 303, and two groups of internal thread sliders 303 are provided; the driving screw 302 can be driven to rotate by setting the servo motor 301, thereby driving the two groups of internal thread sliders 303 to move toward or away from each other, and the detection component 4 is supported and installed by setting the internal thread sliders 303; the adjustment component 3 includes a guide rail 304, a limit plate 305 and a scale line 306, the guide rail 304 is fixedly installed inside the installation box 1, and the internal thread slider 303 is connected to the internal thread slider 303 through the guide rail 30 4 is slidably connected to the installation box 1, the limit plate 305 is fixedly installed inside the installation box 1, the limit plate 305 is located at the periphery of the driving screw 302, the limit plate 305 is located in the middle of the driving screw 302, and a scale line 306 is provided on one side of the bottom plate 201; the movement of the internal thread slider 303 is guided by setting the guide rail 304, the movement of the internal thread slider 303 is limited by setting the limit plate 305, and the distance between the two groups of detection components 4 can be confirmed by setting the scale line 306.

[0024] See also Figure 3-4In this embodiment, the detection component 4 is provided with a mounting seat 401, a connecting shaft 402 and a plug plate 403. The mounting seat 401 is fixedly installed on one side of the internal thread slider 303. The mounting seat 401 is provided with two groups. The connecting shaft 402 is arranged between the two groups of mounting seats 401. The connecting shaft 402 is rotatably connected with the mounting seat 401, and the plug plate 403 is fixedly installed on the periphery of the connecting shaft 402; the connecting shaft 402 is installed by arranging the mounting seat 401, and the plug plate 403 is installed by arranging the connecting shaft 402, and the plug plate 403 can be driven to rotate. When the device is not in use, the plug plate 403 can be rotated to store the plug plate 403 in the installation box 1, and the annular seam can be detected by arranging the plug plate 403; the detection component 4 also includes a mounting groove 404 and a pressure sensor 405, and both sides of the plug plate 403 are opened A mounting groove 404 is provided, and a pressure sensor 405 is arranged inside the mounting groove 404, and the pressure sensor 405 is fixedly connected to the plug plate 403; the mounting groove 404 is provided to provide an installation space for the pressure sensor 405, and the plug plate 403 inserted into the annular seam is positioned by arranging the pressure sensor 405, and the width of the annular seam is detected; the shielding component 5 includes a shielding cover 501, a hinge 502 and a magnetic lock 503, the shielding cover 501 is arranged on one side of the installation box 1, the shielding cover 501 is rotatably connected to the installation box 1 through the hinge 502, and the magnetic lock 503 is fixedly installed on one side of the shielding cover 501; the shielding cover 501 is provided to shield and protect the stored plug plate 403 when not in use, the shielding cover 501 is installed by arranging the hinge 502, and the shielding cover 501 is locked by arranging the magnetic lock 503.

[0025] During operation, the entire device can be temporarily fixed to an iron external mobile device using magnets 203. If complete fixation is required, the device can be fixed using bolts using the reserved openings.

[0026] The servo motor 301 is used to drive the lead screw 302 to rotate, thereby driving the internal thread slider 303 to move toward or away from each other along the guide rail 304, thereby adjusting the distance of the internal thread slider 303 to adapt to pipe segments of different sizes, thereby detecting annular seams of different spacings, and using the scale line 306 to confirm the spacing between the two sets of plug plates 403;

[0027] Insert the plug plate 403 into the annular gap. If the spacing of the annular gap is uneven or the width of the annular gap is small, the plug plate 403 cannot be inserted normally. When the width of the annular gap is normal, two groups of pressure sensors 405 on one group of plug plates 403 can contact the side wall inside the annular gap to send back signals. When the width of the annular gap is too large, at least one group of pressure sensors 405 has no signal to send back.

[0028] When not in use, the plug plate 403 can be rotated using the connecting shaft 402 to retract the plug plate 403 into the installation box 1, the cover 501 can be rotated using the hinge 502, the cover 501 can be used to shield and protect the interior of the installation box 1, and the magnetic lock 503 can be used to prevent the cover 501 from being opened by external force, thereby preventing the plug plate 403 from being accidentally damaged when not in use.

[0029] Through the above steps, the overall detection device can be fixed on an external mobile device using the installation component 2, which is convenient for moving in the tunnel to detect the annular joints in the tunnel. The detection component 4 can be installed and adjusted using the adjustment component 3, so that the distance of the detection component 4 can be adjusted and positioned according to tunnel segments of different sizes. The distance between two groups of annular joints and the width of the annular joints can be detected using the detection component 4. The shielding component 5 can be used to shield and protect the detection component 4 when not in use.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A shield tunnel annular seam detection device, comprising a mounting box (1); characterized in that: The invention also comprises a mounting assembly (2), an adjustment assembly (3), a detection assembly (4) and a shielding assembly (5); the mounting assembly (2) is arranged below the mounting box (1); the adjustment assembly (3) is arranged inside the mounting box (1); the detection assembly (4) is arranged on one side of the adjustment assembly (3); two groups of the detection assembly (4) are arranged; and the shielding assembly (5) is arranged on one side of the mounting box (1).

2. The shield tunnel annular seam detection device according to claim 1, characterized in that: The mounting assembly (2) comprises a bottom plate (201), reserved holes (202) and magnets (203); the bottom plate (201) is fixedly mounted below the mounting box (1); a plurality of groups of reserved holes (202) are provided at both ends of the bottom plate (201); and the magnets (203) are fixedly mounted below the bottom plate (201).

3. The shield tunnel annular crack detection device according to claim 1, characterized in that: The adjustment assembly (3) comprises a servo motor (301), a driving screw (302) and an internal thread slider (303); the servo motor (301) is fixedly mounted on one side of the installation box (1); the driving screw (302) is arranged inside the installation box (1); the driving screw (302) is rotatably connected to the installation box (1); one end of the driving screw (302) is fixedly connected to the output end of the servo motor (301); the driving screw (302) is composed of two groups of thread ends with equal pitch and opposite threads; the driving screw (302) passes through the internal thread slider; the driving screw (302) is threadedly connected to the internal thread slider (303); and two groups of internal thread sliders (303) are arranged.

4. The shield tunnel annular crack detection device according to claim 3, characterized in that: The adjustment assembly (3) comprises a guide rail (304), a limit plate (305) and a scale line (306); the guide rail (304) is fixedly mounted inside the installation box (1); the internal thread slider (303) is slidably connected to the installation box (1) via the guide rail (304); the limit plate (305) is fixedly mounted inside the installation box (1); the limit plate (305) is located on the periphery of the driving lead screw (302); the limit plate (305) is located in the middle of the driving lead screw (302); and a scale line (306) is provided on one side of the bottom plate (201).

5. The shield tunnel annular seam detection device according to claim 3, characterized in that: The detection component (4) is provided with a mounting seat (401), a connecting shaft (402) and an insert plate (403); the mounting seat (401) is fixedly installed on one side of the internal thread slider (303); the mounting seat (401) is provided with two groups; the connecting shaft (402) is arranged between the two groups of mounting seats (401); the connecting shaft (402) is rotatably connected to the mounting seat (401); and the insert plate (403) is fixedly installed on the periphery of the connecting shaft (402).

6. The shield tunnel annular crack detection device according to claim 5, characterized in that: The detection component (4) further comprises a mounting groove (404) and a pressure sensor (405). The mounting grooves (404) are provided on both sides of the plug board (403). The pressure sensor (405) is arranged inside the mounting groove (404). The pressure sensor (405) is fixedly connected to the plug board (403).

7. The shield tunnel annular seam detection device according to claim 1, characterized in that: The shielding assembly (5) comprises a shielding cover (501), a hinge (502) and a magnetic lock (503); the shielding cover (501) is arranged on one side of the installation box (1); the shielding cover (501) is rotatably connected to the installation box (1) via the hinge (502); and the magnetic lock (503) is fixedly installed on one side of the shielding cover (501).

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