Tunnel construction safety monitoring device

Abstract

The utility model relates to the technical field of tunnel engineering detection, and discloses a tunnel construction safety monitoring device which comprises a chassis, crawler wheels are fixedly connected to the front side and the rear side of the chassis, a U-shaped column is fixedly connected to the middle of the top end of the chassis, and a rotating block is rotationally connected to the top of the inner wall of the U-shaped column. A cylinder is fixedly connected to the front side of the rotating block, the front side of the cylinder penetrates through the U-shaped column and is fixedly connected with a gear, an electric telescopic rod is fixedly connected to the front side of the top end of the chassis, and a rack is fixedly connected to one end of the electric telescopic rod. According to the tunnel detection device, the chassis stably moves in the tunnel through the crawler wheels, after the chassis reaches a detection position, the electric telescopic rod is started, the rack moves and drives the gear to rotate, then the cylinder, the rotating block, the U-shaped column and the conical disc sequentially rotate, and the conical disc is attached to the wall and drives the L-shaped plate and the ultrasonic detector to rotate; and the stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering detection, in particular to a tunnel construction safety monitoring device. Background Art

[0002] The tunnel waterproofing layer construction quality detection device is an important tool for ensuring the construction quality of the tunnel waterproofing layer. The device includes multiple sensors and monitoring devices, which can detect the thickness, density and waterproof performance of the waterproof layer in real time. Commonly used detection methods include resistivity measurement, infrared thermal imaging and ultrasonic detection.

[0003] After searching, the Chinese patent announcement number is: CN219714640U, which discloses a tunnel waterproof layer construction quality inspection device, including a base plate, the top of the base plate is fixedly connected to a fixed column, the top of the fixed column is fixedly connected to an adjusting ball, the top of the adjusting ball is provided with an adjusting groove, the inner cavity of the adjusting groove is provided with a ball pin, and the front of the ball pin is fixedly connected to a lifting device. The tunnel waterproofing layer construction quality inspection device uses the adjustment groove and the ball pin in the adjustment ball to adjust the transparent inspection cover to a suitable position, then adjusts the angle of the transparent inspection cover through the rotation groove in the rotation block, applies the inspection liquid to the inspection location, uses the lifting device to move the transparent inspection cover to cover the inspection location, uses the air pump to extract the gas inside the transparent inspection cover, observes the air pressure gauge to make it reach the inspection value, and observes whether there are bubbles in the inspection liquid, thereby achieving the purpose of sealing inspection of the tunnel waterproofing layer and solving the problem of the existing inspection process being cumbersome and labor-intensive. However, in actual use, after the tunnel construction is completed, it is necessary to conduct a construction quality inspection of the waterproofing layer in the tunnel. Since the road of the newly completed tunnel is not flat, the equipment shakes when moving inside, thereby damaging the instrument and causing errors in the inspection data. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a tunnel construction safety monitoring device, which aims to improve the problem in the prior art that the uneven tunnel road causes the equipment to shake when moving, causing damage to the instrument.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a tunnel construction safety monitoring device, comprising a chassis, the front and rear sides of the chassis are fixedly connected to crawler wheels, the top middle part of the chassis is fixedly connected to a U-shaped column, the top of the inner wall of the U-shaped column is rotatably connected to a rotating block, the front side of the rotating block is fixedly connected to a cylinder, the front side of the cylinder passes through the U-shaped column and is fixedly connected to a gear, the top front side of the chassis is fixedly connected to an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to a rack, the rack is meshed with the gear, the inner wall of the rotating block is rotatably connected to a conical disk, the top of the outer wall of the conical disk passes through the rotating block and is fixedly connected to an L-shaped plate, the top of the L-shaped plate is fixedly connected to an ultrasonic detector, and the outer wall of the conical disk is provided with a sealing detection mechanism.

[0006] Through the above technical solution: the chassis can be moved in the tunnel through the track wheels. Since the contact area between the track wheels and the ground is large, the entire device will not shake violently during the movement. When the device moves to the position required for detection, the electric telescopic rod is started to drive the movement of the rack, and through the meshing connection with the gear, the gear rotates, and then drives the cylinder to rotate, thereby driving the rotating block to rotate on the inner wall of the U-shaped column, and then drives the conical disk to rotate together. When the conical disk is fitted to the wall, the conical disk will rotate above the rotating block, and then drive the L-shaped plate to rotate, and at the same time drive the ultrasonic detector to rotate, so that the equipment can perform detection at the best position, thereby improving the accuracy of the detection results.

[0007] As a further description of the above technical solution:

[0008] The sealing detection mechanism includes a hose, which is connected to the outer wall of the conical disk. A water tank is fixedly connected to the right side of the top of the chassis. The right side of the hose passes through the water tank and is fixedly connected to a bubble disk. A plurality of exhaust holes are provided on the top of the bubble disk. An air pump is fixedly connected to the top of the water tank. An L-shaped pipe is connected to the right side of the air pump. The bottom of the L-shaped pipe is connected to the water tank. An observation window is provided on the front side of the outer wall of the water tank.

[0009] Through the above technical solution: when the conical disk is tightly fitted to the wall, the vacuum pump is started to extract the air in the water tank, and then the air pressure in the water tank is reduced, and negative pressure can be generated in the conical disk through the hose. When the wall is not airtight or waterproof, air will pass through the wall and be sucked out by the negative pressure generated in the conical disk. The sucked air enters the bubble disk through the hose and is discharged into the water tank through the exhaust hole in the form of bubbles. The internal bubble generation can be observed through the observation window, thereby judging the airtightness or waterproofness of the wall.

[0010] As a further description of the above technical solution:

[0011] A concentration detector is fixedly connected to the left side of the top of the chassis, and an alarm is fixedly connected to the top of the U-shaped column.

[0012] Through the above technical solution: the air content in the tunnel can be monitored by the concentration detector, and the alarm can remind the operator when a fault occurs.

[0013] As a further description of the above technical solution:

[0014] A cover plate is rotatably connected to the middle portion of the left side of the top end of the chassis, and a handle is fixedly connected to the top of the cover plate.

[0015] According to the technical solution, the rotating block can be folded up to cover the upper recess through the cover plate, and the cover plate can be easily opened through the handle.

[0016] As a further description of the above technical solution:

[0017] A pressure gauge is fixedly connected to the right side of the top of the outer wall of the water tank, and a plurality of anti-slip strips are fixedly connected to the outer wall of the track wheel.

[0018] Through the above technical solution: the air pressure inside the water tank can be easily detected by the pressure gauge, and the anti-skid ability of the track wheel can be improved by the anti-skid strip.

[0019] As a further description of the above technical solution:

[0020] A fixing block is fixedly connected to the rear side of the chassis, and a nameplate is fixedly connected to the rear side of the fixing block.

[0021] Through the above technical solution: the basic model of the device can be identified by the nameplate.

[0022] As a further description of the above technical solution:

[0023] The front side of the chassis is fixedly connected to a limiting block, and the front side of the limiting block is fixedly connected to a warning identification block.

[0024] Through the above technical solution: the operator can be reminded of precautions through the warning identification block.

[0025] As a further description of the above technical solution:

[0026] The anti-slip strips are arranged at equal intervals on the outer sides of the track wheels, and the size of the inner wall of the U-shaped column is consistent with the size of the rotating block.

[0027] Through the above technical solution: the anti-skid strips arranged at equal intervals can make the track wheel bear the force evenly, and the U-shaped column and the rotating block can well limit the rotation of the track wheel.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the chassis moves smoothly in the tunnel by means of the track wheels. After reaching the detection position, the electric telescopic rod is started, the rack moves and drives the gear to rotate, thereby causing the cylinder, rotating block, U-shaped column and conical disk to rotate in sequence. The conical disk fits against the wall, driving the L-shaped plate and ultrasonic detector to rotate, ensuring the optimal detection position of the equipment, improving the detection accuracy, and improving its stability when moving in the tunnel.

[0030] 2. In the present invention, after starting the vacuum pump, the air in the water tank is extracted, resulting in negative pressure in the conical disk. If the wall is not well sealed or waterproof, the air will be sucked into the conical disk and enter the bubble disk through the hose, and finally discharged from the exhaust hole in the form of bubbles. By observing the bubbles through the observation window, the sealing or waterproof performance of the wall can be evaluated. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a three-dimensional diagram of a tunnel construction safety monitoring device proposed by the present utility model;

[0032] Figure 2 This is a front view of a tunnel construction safety monitoring device proposed by the utility model;

[0033] Figure 3 This is a top view of a tunnel construction safety monitoring device proposed by the utility model;

[0034] Figure 4 This is a schematic diagram of the chassis structure of a tunnel construction safety monitoring device proposed in the utility model;

[0035] Figure 5 This is a cross-sectional view of a water storage tank of a tunnel construction safety monitoring device proposed in the utility model.

[0036] Legend:

[0037] 1. Chassis; 2. Sealing detection mechanism; 201. Hose; 202. Water tank; 203. Bubble disc; 204. Exhaust hole; 205. Vacuum pump; 206. L-shaped pipe; 207. Observation window; 3. Track wheel; 4. U-shaped column; 5. Rotating block; 6. Cylinder; 7. Electric telescopic rod; 8. Rack; 9. Gear; 10. Conical disc; 11. L-shaped plate; 12. Ultrasonic detector; 13. Concentration detector; 14. Barometer; 15. Alarm; 16. Cover; 17. Handle; 18. Anti-slip strip; 19. Fixing block; 20. Nameplate; 21. Limit block; 22. Warning sign block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Reference Figure 1 、 Figure 2 and Figure 4 The utility model provides an embodiment of a tunnel construction safety monitoring device, comprising a chassis 1, with track wheels 3 fixedly connected to the front and rear sides of the chassis 1, which can enable the chassis 1 to move in the tunnel; a U-shaped column 4 is fixedly connected to the top middle part of the chassis 1, and a rotating block 5 is rotatably connected to the top of the inner wall of the U-shaped column 4, and a cylinder 6 is fixedly connected to the front side of the rotating block 5, and the front side of the cylinder 6 passes through the U-shaped column 4 and is fixedly connected to a gear 9, and an electric telescopic rod 7 is fixedly connected to the front side of the top of the chassis 1, and one end of the electric telescopic rod 7 is fixedly connected to a rack 8, which is meshed with the gear 9, and a conical disk 10 is rotatably connected to the inner wall of the rotating block 5. Starting the electric telescopic rod 7 drives the movement of the rack 8, and through the meshing connection with the gear 9, the gear 9 rotates, which in turn drives the cylinder 6 to rotate, thereby driving the rotating block 5 to rotate on the inner wall of the U-shaped column 4, and then driving the conical disk 10 to rotate together; the top of the outer wall of the conical disk 10 passes through the rotating block 5 and is fixedly connected to an L-shaped plate 11, and the top of the L-shaped plate 11 is fixedly connected to the ultrasonic detector 12. The conical disk 10 rotates and fits the conical disk 10 against the wall, which will cause the conical disk 10 to rotate above the rotating block 5, thereby driving the L-shaped plate 11 to rotate, and at the same time driving the ultrasonic detector 12 to rotate; the outer wall of the conical disk 10 is provided with a sealing detection mechanism 2;

[0040] Specifically, the chassis 1 can be moved in the tunnel through the track wheels 3. Since the track wheels 3 have a large contact area with the ground, the entire device will not shake violently during movement. When the device moves to the position required for detection, the rack 8 is driven to move by starting the electric telescopic rod 7, and the gear 9 is engaged with the gear 9 to rotate, thereby driving the cylinder 6 to rotate, thereby driving the rotating block 5 to rotate on the inner wall of the U-shaped column 4, and then driving the conical disk 10 to rotate together. Fitting the conical disk 10 to the wall will cause the conical disk 10 to rotate above the rotating block 5, thereby driving the L-shaped plate 11 to rotate, and at the same time driving the ultrasonic detector 12 to rotate, so that the equipment can perform detection at the best position, thereby improving the accuracy of the detection results.

[0041] Reference Figure 2 、 Figure 3 and Figure 5The sealing detection mechanism 2 includes a hose 201, which is connected to the outer wall of the conical disk 10. The right side of the top of the bottom plate 1 is fixedly connected to the water tank 202. The right side of the hose 201 passes through the water tank 202 and is fixedly connected to the bubble disk 203. The top of the bubble disk 203 is provided with a plurality of exhaust holes 204. The top of the water tank 202 is fixedly connected to an air pump 205. The right side of the air pump 205 is connected to an L-shaped pipe 206. The bottom of the L-shaped pipe 206 is connected to the water tank 202. The air pump 205 fills the water tank 202 with air. The air in the water tank 202 is extracted, and then the air pressure in the water tank 202 is reduced, and negative pressure is generated in the conical disk 10 through the hose 201. When the wall is not sealed or waterproof, air will pass through the wall and be sucked out by the negative pressure generated in the conical disk 10. The sucked air enters the bubble disk 203 through the hose 201 and is discharged from the water tank 202 in the form of bubbles through the exhaust hole 204. An observation window 207 is provided on the front side of the outer wall of the water tank 202, and the generation of bubbles inside can be observed through the observation window 207.

[0042] Specifically, when the conical disk 10 is in close contact with the wall, the vacuum pump 205 is started to extract the air in the water tank 202, and then the air pressure in the water tank 202 is reduced. Through the hose 201, negative pressure can be generated in the conical disk 10. When the wall is not airtight or waterproof, air will pass through the wall and be sucked out by the negative pressure generated in the conical disk 10. The sucked air enters the bubble disk 203 through the hose 201 and is discharged from the water tank 202 in the form of bubbles through the exhaust hole 204. The internal bubble generation can be observed through the observation window 207, thereby judging the airtightness or waterproofness of the wall.

[0043] Reference Figure 1 、 Figure 2 and Figure 3 , a concentration detector 13 is fixedly connected to the left side of the top of the chassis 1, and an alarm 15 is fixedly connected to the top of the U-shaped column 4. The concentration detector 13 can monitor the air content in the tunnel, and the alarm 15 can remind the operator when a fault occurs; a cover plate 16 is rotatably connected to the middle part of the left side of the top of the chassis 1, and a handle 17 is fixedly connected to the top of the cover plate 16. The cover plate 16 can cover the upper recess after the rotating block 5 is retracted, and the cover plate 16 can be easily opened through the handle 17; a pressure gauge 14 is fixedly connected to the right side of the top of the outer wall of the water tank 202, and a plurality of anti-slip strips 18 are fixedly connected to the outer wall of the track wheel 3. The pressure gauge 14 can facilitate the detection of the internal air pressure of the water tank 202, and the anti-slip strips 18 improve the anti-slip ability of the track wheel 3;

[0044] Specifically, the concentration detector 13 can monitor the air content in the tunnel, the alarm 15 can remind the operator in case of a fault, the cover 16 can be used to retract the rotating block 5 to cover the upper recess, and the handle 17 can be used to facilitate the opening of the cover 16, the barometer 14 can facilitate the detection of the air pressure inside the water tank 202, and the anti-skid strip 18 can improve the anti-skid ability of the track wheel 3.

[0045] Reference Figure 1 、 Figure 2 and Figure 4 , the rear side of the chassis 1 is fixedly connected with a fixed block 19, and the rear side of the fixed block 19 is fixedly connected with a nameplate 20, which can identify the basic model of the device; the front side of the chassis 1 is fixedly connected with a limit block 21, and the front side of the limit block 21 is fixedly connected with a warning mark block 22, which can remind the operator of precautions; the anti-slip strips 18 are equidistantly arranged on the outside of the track wheel 3, and the inner wall size of the U-shaped column 4 is consistent with the size of the rotating block 5. The equidistantly arranged anti-slip strips 18 can make the track wheel 3 evenly stressed, and its rotation can be well limited by the U-shaped column 4 and the rotating block 5;

[0046] Specifically, the basic model of the device can be identified by the nameplate 20, the operator can be reminded of precautions by the warning identification block 22, the track wheel 3 can be evenly stressed by the equidistantly arranged anti-slip strips 18, and its rotation can be well restricted by the U-shaped column 4 and the rotating block 5.

[0047] Working principle: Before using the device, the chassis 1 can move smoothly in the tunnel by rotating the track wheel 3. Since the contact area between the track wheel 3 and the ground is large, the entire device will not shake violently during movement. When the device reaches the predetermined detection position, the electric telescopic rod 7 is started, which in turn drives the rack 8 to move. The meshing connection between the rack 8 and the gear 9 causes the gear 9 to rotate, driving the cylinder 6 to rotate accordingly. The rotation of the cylinder 6 prompts the rotating block 5 to rotate on the inner wall of the U-shaped column 4, thereby causing the conical disk 10 to rotate synchronously, and the conical disk 10 is tightly fitted to the wall. Its rotation drives the rotation of the L-shaped plate 11 and the ultrasonic detector 12 to ensure that the equipment can be in the best detection position, thereby improving the accuracy of the detection results.

[0048] And through the sealing detection mechanism 2, when the conical disk 10 is tightly fitted to the wall, the vacuum pump 205 is started to extract the air in the water tank 202, thereby reducing the air pressure in the water tank 202, and forming a negative pressure in the conical disk 10 through the hose 201. When the sealing or waterproof performance of the wall is poor, the air will be sucked out through the wall by the negative pressure in the conical disk 10. The sucked out air enters the bubble disk 203 through the hose 201 and is discharged in the water tank 202 in the form of bubbles through the exhaust hole 204. The generation of internal bubbles can be observed through the observation window 207, thereby evaluating the sealing or waterproof performance of the wall.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tunnel construction safety monitoring device, comprising a chassis (1), characterized in that: The front and rear sides of the chassis (1) are fixedly connected to track wheels (3); the middle of the top of the chassis (1) is fixedly connected to a U-shaped column (4); the top of the inner wall of the U-shaped column (4) is rotatably connected to a rotating block (5); the front side of the rotating block (5) is fixedly connected to a cylinder (6); the front side of the cylinder (6) passes through the U-shaped column (4) and is fixedly connected to a gear (9); the front side of the top of the chassis (1) is fixedly connected to an electric telescopic rod (7); one end of the electric telescopic rod (7) is fixedly connected to a rack (8); the rack (8) is meshed with the gear (9); the inner wall of the rotating block (5) is rotatably connected to a conical disk (10); the top of the outer wall of the conical disk (10) passes through the rotating block (5) and is fixedly connected to an L-shaped plate (11); the top of the L-shaped plate (11) is fixedly connected to an ultrasonic detector (12); and the outer wall of the conical disk (10) is provided with a sealing detection mechanism (2).

2. A tunnel construction safety monitoring device according to claim 1, characterized in that: The sealing detection mechanism (2) comprises a hose (201), the hose (201) being connected to the outer wall of the conical disk (10), a water tank (202) being fixedly connected to the right side of the top of the bottom disk (1), the right side of the hose (201) passing through the water tank (202) and being fixedly connected to a bubble disk (203), a plurality of exhaust holes (204) being provided on the top of the bubble disk (203), an air pump (205) being fixedly connected to the top of the water tank (202), an L-shaped pipe (206) being connected to the right side of the air pump (205), the bottom of the L-shaped pipe (206) being connected to the water tank (202), and an observation window (207) being provided on the front side of the outer wall of the water tank (202).

3. The tunnel construction safety monitoring device according to claim 1, characterized in that: A concentration detector (13) is fixedly connected to the left side of the top end of the chassis (1), and an alarm (15) is fixedly connected to the top end of the U-shaped column (4).

4. The tunnel construction safety monitoring device according to claim 1, characterized in that: A cover plate (16) is rotatably connected to the middle portion of the left side of the top end of the chassis (1), and a handle (17) is fixedly connected to the top of the cover plate (16).

5. The tunnel construction safety monitoring device according to claim 2, characterized in that: A pressure gauge (14) is fixedly connected to the right side of the top of the outer wall of the water storage tank (202), and a plurality of anti-slip strips (18) are fixedly connected to the outer wall of the track wheel (3).

6. The tunnel construction safety monitoring device according to claim 1, characterized in that: A fixing block (19) is fixedly connected to the rear side of the chassis (1), and a nameplate (20) is fixedly connected to the rear side of the fixing block (19).

7. The tunnel construction safety monitoring device according to claim 1, characterized in that: The front side of the chassis (1) is fixedly connected to a limiting block (21), and the front side of the limiting block (21) is fixedly connected to a warning identification block (22).

8. The tunnel construction safety monitoring device according to claim 5, characterized in that: The anti-slip strips (18) are arranged at equal intervals on the outside of the track wheel (3), and the size of the inner wall of the U-shaped column (4) is consistent with the size of the rotating block (5).

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