Shield tunnel karst detection device

Abstract

The utility model discloses a shield tunnel karst detection device, which comprises a supporting assembly, a lifting assembly and an ultrasonic detection assembly, the lifting assembly comprises a first electric cylinder, a fixing body, a first groove body, a second groove body and a limiting block, the rear end of the supporting body is fixedly connected with the first electric cylinder, the rear end of the supporting block is fixedly connected with the fixing body, the first groove body is arranged at the rear end of the fixing body, and the ultrasonic detection assembly is arranged in the first groove body. A second groove body is formed in the left end of the first groove body, a limiting block is fixedly connected to the inner wall of the first groove body, the outer wall of a telescopic rod of the first electric cylinder is attached to the inner wall of the limiting block, and a lifting block is fixedly connected to the upper end of the telescopic rod of the first electric cylinder; the inner wall and the outer wall of the detection ring are fixedly connected with an ultrasonic receiver and an ultrasonic transmitter correspondingly, and the problems that in shield tunnel karst detection, it is difficult to conduct multi-direction rapid detection on the wall of a shield tunnel through ultrasonic waves, and the karst geology cannot be comprehensively detected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of karst detection, and more specifically, to a karst detection device for a shield tunnel. Background Art

[0002] Caves are one of the most common karst forms encountered in tunnel construction in karst areas. Hidden caves along the tunnel are the main source of disaster risks in tunnel construction. When carrying out engineering construction in karst areas, karst destroys the integrity of the bedrock, resulting in a significant reduction in the strength and bearing capacity of the rock mass, which often causes deformation and damage such as ground collapse and uneven settlement, affecting the safety of engineering construction. At present, ultrasonic waves are usually used to detect shield tunnels. Ultrasonic detection technology uses the characteristics of high-frequency sound waves propagating in different media to obtain information about underground rock formations. However, in the process of karst detection in shield tunnels, it is usually difficult to use ultrasonic waves to quickly detect the walls of shield tunnels in multiple directions, and it is impossible to conduct a comprehensive detection of karst geology, affecting the construction progress of tunnel projects.

[0003] The existing technology has the following disadvantages: it is impossible to quickly detect the lava tunnel from all directions, which affects the construction progress. Utility Model Content

[0004] In view of the above defects or improvement needs of the prior art, the utility model provides a shield tunnel karst detection device, wherein the moving component is opened to move the supporting component, the lifting component is opened to adjust the height of the clamping component, the clamping component is opened to clamp and fix the installation component in the clamping component, and the ultrasonic detection component can be used to perform ultrasonic detection on the rock wall. The detection ring is a ring structure with multiple ultrasonic transmitters and receivers evenly distributed on it, which can quickly detect circular rock walls, thereby solving the problems of difficulty in using ultrasonic waves to quickly detect the walls of the shield tunnel in multiple directions and inability to conduct comprehensive detection of karst geology in shield tunnel karst detection.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a shield tunnel karst detection device is provided, including a support component, a lifting component, a clamping component, a mounting component, an ultrasonic detection component and a moving component, wherein the lifting component is fixedly arranged on the support component, the clamping component is arranged at the rear end of the lifting component, and the clamping component is lifted and lowered along the longitudinal direction of the lifting component; the mounting component is fixed inside the clamping component, the ultrasonic detection component is arranged at the rear end of the mounting component, and the moving component for driving is arranged on the support component; the lifting component includes a first electric cylinder, a fixed body, a first slot body, a second slot body and a limit block, the rear end of the support body is fixedly connected to the first electric cylinder, the rear end of the support block is fixedly connected to the fixed body, the rear end of the fixed body is provided with the first slot body, the upper and lower ends of the first slot body are located in the same plane as the upper and lower ends of the fixed body, the left end of the first slot body is provided with the second slot body, the inner wall of the first slot body is fixedly connected to the limit block, the outer wall of the telescopic rod of the first electric cylinder is in contact with the inner wall of the limit block, and the upper end of the telescopic rod of the first electric cylinder is fixedly connected to the lifting block;

[0006] The ultrasonic detection assembly includes a detection ring, an ultrasonic receiver, and an ultrasonic transmitter. The detection ring is movably arranged at the rear end of the fixed plate. The inner wall and the outer wall of the detection ring are respectively fixed to the ultrasonic receiver and the ultrasonic transmitter. After the ultrasonic transmitter emits an ultrasonic wave, it bounces off the inner wall of the tunnel and is received by the ultrasonic receiver.

[0007] Furthermore, the ultrasonic detection assembly includes a threaded column and an internally threaded barrel, the front end of the detection ring is fixedly connected to the symmetrical threaded column, the outer wall of the threaded column fits with the inner wall of the through hole, and the outer wall of the threaded column is threadedly mounted with the internally threaded barrel.

[0008] Furthermore, the support assembly includes a support body and a support block, and the support block and the controller are fixedly arranged on the surface of the support body.

[0009] Furthermore, the support assembly includes a controller, the controller is fixedly arranged on the surface of the support body, and an antenna is arranged inside the controller.

[0010] Furthermore, the clamping assembly includes a clamping frame, a second electric cylinder, a clamping jaw, a limiting cylinder, a guide column, a guide rail and a slider. The rear end of the lifting block is fixedly connected to the clamping frame, and the upper and lower ends of the clamping frame are both fixedly connected to the second electric cylinder. The telescopic rod of the second electric cylinder passes through the outer wall of the clamping frame and is fixedly connected to the clamping jaw. The upper and lower ends of the clamping jaw are fixedly connected to the limiting cylinder in a through-type manner. The inner walls of the upper and lower ends of the clamping frame are fixedly connected to the guide column. The outer wall of the guide column and the inner wall of the limiting cylinder are fitted together. The guide column and the limiting cylinder are slidably connected. The rear end of the clamping frame is fixedly connected to the symmetrical guide rail, and the front end of the clamping jaw is fixedly connected to the symmetrical slider. The slider and the guide rail are adapted.

[0011] Furthermore, the installation component includes a movable block, a fixed plate, a through hole and an ultrasonic generator. The movable block is movably arranged between the two clamping jaws, the rear end of the movable block is fixedly connected to the fixed plate, the front and rear ends of the fixed plate are penetrated by symmetrical through holes, the rear end of the fixed plate is fixedly connected to the ultrasonic generator, and the clamping component is used to clamp and fix the installation component.

[0012] Furthermore, the moving component includes a moving body, a battery, a motor and a roller, the left and right ends of the support body are fixedly connected to the symmetrical moving body, the interior of the moving body is fixedly connected to the battery and the motor, the output shaft of the motor passes through the outer wall of the moving body and is fixedly connected to the roller, and the battery supplies power to the motor.

[0013] In general, the above technical solutions conceived by the utility model can achieve the following beneficial effects compared with the prior art:

[0014] 1. The utility model provides a karst detection device for a shield tunnel. When in use, the moving component is turned on to move the supporting component, the lifting component is turned on to adjust the height of the clamping component, the clamping component is turned on to clamp and fix the mounting component in the clamping component, and the ultrasonic detection component can be used to perform ultrasonic detection on the rock wall. The detection ring is a ring structure with multiple ultrasonic transmitters and receivers evenly distributed on it, which can quickly detect circular rock walls, solving the problems of difficulty in using ultrasonic waves to quickly detect the walls of the shield tunnel in multiple directions and inability to conduct comprehensive detection of karst geology in the shield tunnel karst detection.

[0015] 2. The utility model provides a karst detection device for a shield tunnel. The lifting block can be lifted and lowered by turning on the first electric cylinder, and the outer wall of the lifting block can stably move along the inner wall of the structure formed by the first trough body and the second trough body, so that the clamping assembly can be lifted and lowered. When the installation assembly needs to be clamped and fixed, the two second electric cylinders arranged opposite to each other are turned on to make the two clamping claws move toward each other, and the installation assembly can be clamped by the two clamping claws. Moreover, since the two clamping claws are respectively controlled to lift and lower by the two second electric cylinders, the clamping height of the installation assembly can be conveniently adjusted, so that the ultrasonic transmitter can be quickly attached to the wall for ultrasonic detection.

[0016] 3. The utility model provides a karst detection device for a shield tunnel. By placing a movable block between two clamping jaws, the movable block can be quickly installed. The setting of the movable block is convenient for maintenance of the ultrasonic generator. The threaded column is passed through the through hole, and the internal threaded tube is threadedly installed on the outer wall of the threaded column so that the rear end of the internal threaded tube fits with the front end of the fixed plate. The detection ring can be fixed on the fixed plate, thereby facilitating rapid disassembly and assembly of the detection ring, thereby realizing the ability to quickly disassemble, assemble and maintain the detection ring of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a shield tunnel karst detection device of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a support assembly of a shield tunnel karst detection device of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a lifting assembly of a shield tunnel karst detection device of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a clamping assembly of a shield tunnel karst detection device of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the installation assembly of a shield tunnel karst detection device of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of an ultrasonic detection assembly of a shield tunnel karst detection device of the utility model;

[0023] Figure 7 The utility model is a schematic diagram of the structure of a mobile component of a shield tunnel karst detection device.

[0024] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. Support assembly; 101. Support body; 102. Support block; 103. Controller; 2. Lifting assembly; 201. First electric cylinder; 202. Fixed body; 203. First slot body; 204. Second slot body; 205. Limit block; 206. Lifting block; 3. Clamping assembly; 301. Clamping frame; 302. Second electric cylinder; 303. Clamping claw; 304. Limiting cylinder ; 305, guide column; 306, guide rail; 307, slider; 4, installation assembly; 401, movable block; 402, fixed plate; 403, through hole; 404, ultrasonic generator; 5, ultrasonic detection assembly; 501, detection ring; 502, ultrasonic receiver; 503, ultrasonic transmitter; 504, threaded column; 505, internal threaded cylinder; 6, moving assembly; 601, moving body; 602, battery; 603, motor; 604, roller. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] like Figure 1-Figure 7 As shown, the utility model provides a shield tunnel karst detection device, including a support component 1, a lifting component 2, a clamping component 3, a mounting component 4, an ultrasonic detection component 5 and a moving component 6, wherein the lifting component 2 is fixedly arranged on the support component 1, the rear end of the lifting component 2 is provided with the clamping component 3, the clamping component 3 can be lifted and lowered longitudinally along the lifting component 2, the interior of the clamping component 3 is fixed with the mounting component 4, the rear end of the mounting component 4 is provided with an ultrasonic detection component 5 for detecting the rock wall of the tunnel, the ultrasonic detection component 5 is arranged in a ring shape, and the supporting component 1 is provided with a moving component 6 for driving the supporting component 1, so as to realize advancement and detection in the tunnel, thereby solving the problems that it is difficult to use ultrasonic waves to quickly detect the walls of the shield tunnel in multiple directions and it is impossible to comprehensively detect the karst geology in the shield tunnel karst detection.

[0027] Furthermore, if Figure 2 As shown, the support assembly 1 includes a support body 101, a support block 102 and a controller 103. The support body 101 is the main axis and longitudinal beam of the support assembly 1. The support block 102 and the controller 103 are fixedly arranged on the surface of the support body 101. The support block 102 is used to install the lifting assembly 2. An antenna is arranged in the controller 103 for receiving wireless commands from the operator to realize the control of the detection device.

[0028] Furthermore, if Figure 3 As shown, the lifting assembly 2 includes a first electric cylinder 201, a fixed body 202, a first slot body 203, a second slot body 204 and a limit block 205. The rear end of the support body 101 is fixedly connected to the first electric cylinder 201, the rear end of the support block 102 is fixedly connected to the fixed body 202, the rear end of the fixed body 202 is fixedly provided with a first slot body 203, the upper and lower ends of the first slot body 203 are in the same plane as the upper and lower ends of the fixed body 202, the left end of the first slot body 203 is fixedly provided with a second slot body 204, the top surface formed by the second slot body 204 and the first slot body 203 is a "T"-shaped structure, the inner wall of the first slot body 203 is fixedly connected to the limit block 205, the outer wall of the telescopic rod of the first electric cylinder 201 is in contact with the inner wall of the limit block 205, the upper end of the telescopic rod of the first electric cylinder 201 is fixedly connected to a lifting block 206, and the lifting block 206 is "T"-shaped.

[0029] Furthermore, if Figure 4 As shown, the clamping assembly 3 includes a clamping frame 301, a second electric cylinder 302, a clamping claw 303, a limiting cylinder 304, a guide column 305, a guide rail 306 and a slider 307. The rear end of the lifting block 206 is fixedly connected to the clamping frame 301, and the upper and lower ends of the clamping frame 301 are fixedly connected to the second electric cylinder 302. The telescopic rod of the second electric cylinder 302 penetrates the outer wall of the clamping frame 301 and is fixedly connected to the clamping claw 303. The upper and lower ends of the clamping claw 303 penetrate and are fixedly connected to the limiting cylinder 304. 04, the clamping frame 301 is in a "U" shape, and the inner walls of the upper and lower ends of the clamping frame 301 are fixedly connected with guide columns 305, the outer wall of the guide column 305 is in contact with the inner wall of the limiting cylinder 304, and the guide column 305 and the limiting cylinder 304 are slidably connected to guide the clamping jaws 303, the rear end of the clamping frame 301 is fixedly connected with symmetrical guide rails 306, and the front end of the clamping jaws 303 is fixedly connected with symmetrical sliders 307, and the sliders 307 and the guide rails 306 are adapted and slidably connected.

[0030] Furthermore, if Figure 5 As shown, the mounting assembly 4 includes a movable block 401, a fixed plate 402, a through hole 403 and an ultrasonic generator 404. The movable block 401 is movably arranged between the two clamping jaws 303. The rear end of the movable block 401 is fixedly connected to the fixed plate 402. Symmetrical through holes 403 are formed at the front and rear ends of the fixed plate 402. The rear end of the fixed plate 402 is fixedly connected to the ultrasonic generator 404. The clamping assembly 3 is used to clamp and fix the mounting assembly 4.

[0031] Furthermore, if Figure 6As shown, the ultrasonic detection component 5 includes a detection ring 501, an ultrasonic receiver 502, an ultrasonic transmitter 503, a threaded column 504 and an internal threaded barrel 505. The detection ring 501 is movably provided at the rear end of the fixed plate 402. The inner wall of the detection ring 501 is fixedly connected with uniformly distributed ultrasonic receivers 502, and the outer wall of the detection ring 501 is fixedly connected with uniformly distributed ultrasonic transmitters 503. After the ultrasonic transmitter 503 emits ultrasonic waves, the ultrasonic waves are rebounded on the inner wall of the tunnel and received by the ultrasonic receiver 502 to achieve detection; the front end of the detection ring 501 is fixedly connected with symmetrical threaded columns 504, the outer wall of the threaded column 504 and the inner wall of the through hole 403 are fitted and limited, the outer wall of the threaded column 504 is threadedly installed with an internal threaded barrel 505, and the outer diameter of the internal threaded barrel 505 is larger than the inner diameter of the through hole 403.

[0032] Furthermore, if Figure 7 As shown, the moving assembly 6 includes a moving body 601, a battery 602, a motor 603 and a roller 604. The left and right ends of the support body 101 are fixedly connected with symmetrical moving bodies 601. The interior of the moving body 601 is fixedly connected with a battery 602 and a motor 603. The output shaft of the motor 603 passes through the outer wall of the moving body 601 and is fixedly connected with the roller 604. The battery 602 supplies power to the motor 603 to drive the roller 604 to rotate, thereby pushing the detection device forward in the tunnel.

[0033] Furthermore, the working principle of the shield tunnel karst detection device is as follows: when working, the movable block 401 is placed between the two clamping jaws 303, and the two second electric cylinders 302 arranged opposite to each other are opened so that the two clamping jaws 303 move toward each other to clamp the movable block 401, and because the two clamping jaws 303 are respectively controlled to rise and fall by the two second electric cylinders 302, the clamping height of the installation component 4 can be conveniently adjusted, the threaded column 504 is passed through the through hole 403, and the internal threaded tube 505 is threadedly installed on the outer wall of the threaded column 504, so that the rear end of the internal threaded tube 505 fits with the front end of the fixed plate 402, and the detection ring 501 can be fixed on the fixed plate 402; then , the lifting block 206 can be lifted and lowered by turning on the first electric cylinder 201, and the outer wall of the lifting block 206 can stably move along the inner wall of the structure formed by the first trough body 203 and the second trough body 204, and the clamping frame 301 can be lifted and lowered, so that the ultrasonic transmitter 503 on the outer wall of the detection ring 501 is attached to the wall, and the ultrasonic transmitter 503 is started to send ultrasonic pulses to the rock wall. These ultrasonic pulses will propagate in the rock, and some of them will be reflected back and received by the ultrasonic receiver 502, so as to realize ultrasonic detection of the inner wall of the tunnel; when it is necessary to move the device, the motor 603 is turned on to rotate the roller 604, so that the device can be moved to realize mobile detection.

[0034] Through the above steps, when in use, opening the moving component 6 can make the supporting component 1 move, opening the lifting component 2 can adjust the height of the clamping component 3, opening the clamping component 3 can clamp and fix the mounting component 4 in the clamping component 3, and using the ultrasonic detection component 5 to perform ultrasonic detection on the rock wall. Since the ultrasonic detection component 5 can quickly detect the circular rock wall, it solves the problem that it is usually difficult to use ultrasound to perform multi-directional rapid detection of the wall of the shield tunnel during the karst detection process of the shield tunnel, and it is impossible to perform comprehensive detection of the karst geology, which affects the construction progress of the tunnel project.

[0035] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A shield tunnel karst detection device, characterized in that: The invention comprises a support component (1), a lifting component (2), a clamping component (3), a mounting component (4), an ultrasonic detection component (5) and a moving component (6); the support component (1) is fixedly provided with the lifting component (2); the clamping component (3) is arranged at the rear end of the lifting component (2); the clamping component (3) is lifted and lowered along the longitudinal direction of the lifting component (2); the mounting component (4) is fixed inside the clamping component (3); the ultrasonic detection component (5) is arranged at the rear end of the mounting component (4); the moving component (6) for driving is arranged on the support component (1); the lifting component (2) comprises a first electric cylinder (201), a fixed body (202), a first slot body (203), a second slot body (204) and a limit block (205); the support component (1) is fixedly provided with the lifting component (2 ... The component (1) comprises a support body (101) and a support block (102); the rear end of the support body (101) is fixedly connected to the first electric cylinder (201); the rear end of the support block (102) is fixedly connected to the fixed body (202); the rear end of the fixed body (202) is provided with the first slot body (203); the upper and lower ends of the first slot body (203) and the upper and lower ends of the fixed body (202) are located in the same plane; the left end of the first slot body (203) is provided with the second slot body (204); the inner wall of the first slot body (203) is fixedly connected to the limit block (205); the outer wall of the telescopic rod of the first electric cylinder (201) is in contact with the inner wall of the limit block (205); and the upper end of the telescopic rod of the first electric cylinder (201) is fixedly connected to the lifting block (206); The ultrasonic detection assembly (5) comprises a detection ring (501), an ultrasonic receiver (502), and an ultrasonic transmitter (503); the mounting assembly (4) comprises a fixing plate (402); the detection ring (501) is movably arranged at the rear end of the fixing plate (402); the inner wall and the outer wall of the detection ring (501) are respectively fixedly connected to the ultrasonic receiver (502) and the ultrasonic transmitter (503); after the ultrasonic transmitter (503) emits an ultrasonic wave, the ultrasonic wave bounces off the inner wall of the tunnel and is received by the ultrasonic receiver (502).

2. A shield tunnel karst detection device according to claim 1, characterized in that: The ultrasonic detection component (5) comprises a threaded column (504) and an internally threaded tube (505); the front end of the detection ring (501) is fixedly connected to the symmetrical threaded column (504); the mounting component (4) comprises a through hole (403); the outer wall of the threaded column (504) fits the inner wall of the through hole (403); and the outer wall of the threaded column (504) is threadedly mounted with the internally threaded tube (505).

3. The shield tunnel karst detection device according to claim 1, characterized in that: The support block (102) and the controller (103) are fixedly arranged on the surface of the support body (101).

4. A shield tunnel karst detection device according to claim 3, characterized in that: The support assembly (1) comprises a controller (103), wherein the controller (103) is fixedly arranged on the surface of the support body (101), and an antenna is arranged inside the controller (103).

5. The shield tunnel karst detection device according to claim 1, characterized in that: The clamping assembly (3) comprises a clamping frame (301), a second electric cylinder (302), a clamping claw (303), a limiting cylinder (304), a guide column (305), a guide rail (306) and a sliding block (307); the rear end of the lifting block (206) is fixedly connected to the clamping frame (301); the upper and lower ends of the clamping frame (301) are both fixedly connected to the second electric cylinder (302); the telescopic rod of the second electric cylinder (302) passes through the outer wall of the clamping frame (301) and is fixedly connected to the clamping claw (303); The upper and lower ends are fixedly connected to the limiting cylinder (304) in a through-type manner, the inner walls of the upper and lower ends of the clamping frame (301) are fixedly connected to the guide column (305), the outer wall of the guide column (305) is in contact with the inner wall of the limiting cylinder (304), the guide column (305) and the limiting cylinder (304) are slidably connected, the rear end of the clamping frame (301) is fixedly connected to the symmetrical guide rail (306), the front end of the clamping jaw (303) is fixedly connected to the symmetrical slider (307), and the slider (307) and the guide rail (306) are adapted.

6. The shield tunnel karst detection device according to claim 5, characterized in that: The mounting assembly (4) comprises a movable block (401) and an ultrasonic generator (404); the movable block (401) is movably arranged between the two clamping jaws (303); the rear end of the movable block (401) is fixedly connected to the fixed plate (402); symmetrical through holes (403) are provided at the front and rear ends of the fixed plate (402); the rear end of the fixed plate (402) is fixedly connected to the ultrasonic generator (404); and the clamping assembly (3) is used to clamp and fix the mounting assembly (4).

7. The shield tunnel karst detection device according to claim 3, characterized in that: The moving assembly (6) comprises a moving body (601), a storage battery (602), a motor (603) and a roller (604); the left and right ends of the support body (101) are fixedly connected to the symmetrical moving body (601); the interior of the moving body (601) is fixedly connected to the storage battery (602) and the motor (603); the output shaft of the motor (603) passes through the outer wall of the moving body (601) and is fixedly connected to the roller (604); and the storage battery (602) supplies power to the motor (603).

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