Seabed shield tunneling machine construction vibration monitoring device

Abstract

The invention provides a seabed shield tunneling machine construction vibration monitoring device, which relates to the technical field of vibration detection, and comprises a device main body, a control main body is fixedly mounted on the inner wall of the device main body, a first cylinder is fixedly mounted on the inner wall of the device main body, an outer support assembly is fixedly connected to the telescopic end of the first cylinder, and a detection assembly is in sliding fit in the outer support assembly. The ends, away from the detection assembly, of the multiple cutting knives are close to one another in the propelling process, soil supporting in the propelling direction is achieved, collapse vibration caused by the fact that soil on the peripheral face is affected by power of the detection assembly in the insertion process of the detection assembly is avoided, and the annular stability in the vibration monitoring process of the detection assembly is improved; and a circular tool bit fixedly connected with one end of a circular frame moves towards the outer side of the device main body, so that the circular tool bit continues to be pushed into the soil and can cut the soil in the pushing process, and the situation that stones in the soil influence pushing of the outer supporting assembly is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vibration detection, in particular to a seabed shield machine construction vibration monitoring device. BACKGROUND

[0002] The seabed shield machine is a seabed tunnel full-face tunnel boring machine using the shield method, and is a super large engineering equipment specially used for excavating tunnels under complex seabed geological conditions. The soil quality encountered in seabed shield machine construction is complex and diversified.

[0003] According to the search, the authorized publication No. CN220437573U discloses a shield tunnel bedrock blasting ground surface vibration intensity detection device, which comprises a device main body, a transmission mechanism and a detection mechanism. The device main body is provided with a fixed rod on the left and right sides of the upper end. The device main body, hydraulic cylinder, pushing rod and detection mechanism are arranged, the hydraulic cylinder in the device is operated, the pushing rod is used to push the detection rod downward during operation, the detection rod can be quickly inserted into the ground, and the vibration intensity of the tunnel blasting ground surface can be better detected, and the operation convenience is improved.

[0004] In the above vibration detection process, the detection mechanism is inserted into the soil to monitor the vibration, but the vibration monitoring device is easily affected by the collapse vibration caused by soft soil during the process of inserting the vibration detection mechanism into the soil. SUMMARY

[0005] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides a seabed shield machine construction vibration monitoring device, which solves the problem that the existing vibration monitoring device is easily affected by the collapse vibration caused by soft soil during the process of inserting the vibration detection mechanism into the soil.

[0006] (II) Technical solutions In order to achieve the above purpose, the present application is realized by the following technical solutions: a seabed shield machine construction vibration monitoring device, comprising a device main body, a control main body fixedly installed on the inner wall of the device main body, a first air cylinder fixedly installed on the inner wall of the device main body, an outer support assembly fixedly connected to the extension end of the first air cylinder, and a detection assembly slidingly matched in the outer support assembly.

[0007] The outer support assembly comprises a circular frame, a circular cutter head is fixedly connected to one end of the circular frame outside the device main body, a plurality of cutting knives are hingedly matched on the side of the circular cutter head close to the device main body, a first connecting plate is hingedly matched to one end of the cutting knife, a second connecting plate is hingedly matched to the side of the first connecting plate away from the cutting knife, and the cutting knife and the second connecting plate have the same length.

[0008] The device body inner wall is fixedly connected with a support frame, a circular ring is arranged at the center of the support frame, a plurality of second connecting plates are hingedly connected on one side of the circular ring, and two T-shaped sliding blocks are fixedly connected to the inner wall of the circular ring.

[0009] A first sliding groove is formed in the outer side of the circular frame and slidably connected with the two T-shaped sliding blocks.

[0010] Preferably, a plurality of moving holes are formed through the outer side of the device body, and a plurality of cutting knives are arranged in the moving holes.

[0011] Preferably, a circular limiting groove is formed in the outer side of the device body, and the circular limiting groove and one side of the circular knife head can be mutually clamped and connected.

[0012] Preferably, a second air cylinder is fixedly installed on the inner wall of the circular frame, and two second sliding grooves are formed in the inner wall of the circular frame.

[0013] The detection assembly comprises a detection rod fixedly connected to the extension end of the second air cylinder, a U-shaped frame fixedly connected to one side of the detection rod, a sliding rail fixedly connected to the outer side of the detection rod and slidably connected with the two second sliding grooves, and the extension end of the second air cylinder and the outer side of the U-shaped frame are fixedly connected.

[0014] Preferably, the detection assembly comprises a third air cylinder fixedly installed on the inner wall of the U-shaped frame, a traction plate fixedly connected to the extension end of the third air cylinder, and the first air cylinder, the second air cylinder and the third air cylinder are electrically connected with the control body.

[0015] Preferably, a first rectangular hole, a second rectangular hole and a third rectangular hole are formed in the detection rod, and the traction plate is slidably connected between the first rectangular hole, the second rectangular hole and the third rectangular hole.

[0016] A first displacement hole, a second displacement hole and a third displacement hole are formed in the detection rod, the first displacement hole and the first rectangular hole are in communication with each other, the second displacement hole and the first rectangular hole and the second rectangular hole are in communication with each other, and the third displacement hole and the second rectangular hole and the third rectangular hole are in communication with each other.

[0017] Preferably, two detection grooves are formed in the outer circumferential side of the detection rod, the two detection grooves and the first displacement hole, the second displacement hole and the third displacement hole are in communication with each other, and a plurality of protrusions are arranged on the inner walls of the two detection grooves.

[0018] A plurality of longitudinal plates are fixedly connected to one side of the traction plate, a first detection plate is rotatably connected to one side of each of the plurality of longitudinal plates on both sides of the traction plate, and a second detection plate is rotatably connected to the side of the first detection plate away from the longitudinal plate.

[0019] A monitoring mechanism is fixedly installed on the end of the first detection plate near the second detection plate, and both the first and second detection plates are set in the detection groove.

[0020] (III) Beneficial Effects This invention provides a vibration monitoring device for subsea tunnel boring machines. It has the following beneficial effects: 1. In this invention, by having several cutting blades move closer together from the end away from the detection component during the advancement process, the soil in the advancement direction is supported, avoiding the collapse and vibration of the surrounding soil caused by the dynamic influence of the detection component during the insertion of the detection component, and improving the ring stability of the detection component during vibration monitoring.

[0021] 2. In this invention, the circular cutter head, which is fixedly connected to one end of the circular frame, moves toward the outside of the device body and drives the detection component that is slidably engaged in the outer support assembly to advance into the depth of the soil. This allows the circular cutter head to continue advancing into the soil and cut the soil during the advancement process, avoiding the impact of stones in the soil on the advancement of the outer support assembly.

[0022] 3. In this invention, by moving the monitoring mechanism fixedly installed at the end of the second detection plate to the outside of the detection rod, the monitoring mechanism can be brought closer and deeper into contact with the soil at the monitoring site, thereby improving the stability of the monitoring data source of the monitoring mechanism. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a vibration monitoring device for subsea tunnel boring machines according to the present invention; Figure 2 for Figure 1 Enlarged diagram of A in the middle; Figure 3 for Figure 1 Enlarged diagram of B in the middle; Figure 4 This is a cross-sectional view of a vibration monitoring device for subsea tunnel boring machines. Figure 5 for Figure 4 Enlarged diagram of C in the middle; Figure 6 for Figure 4 Enlarged diagram of D in the middle; Figure 7 for Figure 4 Enlarged diagram of E in the middle; Figure 8 for Figure 4 Enlarged diagram of F in the middle; Figure 9 This is a schematic diagram of the assembly of the external support component and the detection component; Figure 10 This is a structural schematic diagram of the external support component; Figure 11 This is a schematic diagram of the detection component.

[0024] The components include: 1. Main body of the device; 2. External support assembly; 3. Detection assembly; 101. Control main body; 102. First cylinder; 103. Support frame; 1031. Ring; 1032. T-shaped slider; 104. Moving hole; 105. Circular limiting groove; 201. Circular frame; 2011. First sliding groove; 2012. Second sliding groove; 202. Circular cutter head; 203. Cutting blade; 204. First connecting plate; 205. Second connecting plate; 206. Second cylinder; 301. 3011. Detector rod; 3012. Sliding rail; 3013. First rectangular hole; 3014. Second rectangular hole; 3015. Third rectangular hole; 3016. First displacement hole; 3017. Second displacement hole; 3018. Third displacement hole; 3019. Detector groove; 30181. Protrusion; 302. U-shaped frame; 3021. Third cylinder; 303. Traction plate; 3031. Longitudinal plate; 3032. First detector plate; 30321. Monitoring mechanism; 3033. Second detector plate. Detailed Implementation

[0025] The technical solutions of this invention will now be clearly and completely described with reference to the accompanying drawings of the embodiments of this invention. Obviously, what is described is only a part of this invention, and not all of it. Based on this invention, all other innovations obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0026] like Figures 1-11 As shown, this embodiment of the invention provides a vibration monitoring device for subsea tunnel boring machines, including a main body 1. A control body 101 is fixedly installed on the inner wall of the main body 1. A first cylinder 102 is fixedly installed on the inner wall of the main body 1. An external support assembly 2 is fixedly connected to the telescopic end of the first cylinder 102. A detection assembly 3 is slidably fitted inside the external support assembly 2. The external support assembly 2 includes a circular frame 201. A circular cutter head 202 is fixedly connected to one end of the circular frame 201 on the outside of the main body 1. A plurality of cutting blades 203 are hinged to the side of the circular cutter head 202 near the main body 1. 03 One end is hinged to a first connecting plate 204, and the side of the first connecting plate 204 away from the cutting blade 203 is hinged to a second connecting plate 205. The cutting blade 203 and the second connecting plate 205 are of the same length. A support frame 103 is fixedly connected to the inner wall of the main body 1. A ring 1031 is set at the center of the support frame 103. Several second connecting plates 205 are hinged to one side of the ring 1031. Two T-shaped sliders 1032 are fixedly connected to the inner wall of the ring 1031. A first sliding groove 2011 is opened on the outer side of the circular frame 201 to slide with the two T-shaped sliders 1032.

[0027] Specifically, the outer side of the main body 1 of the device has several moving holes 104, and several cutting blades 203 are respectively arranged in the several moving holes 104.

[0028] Furthermore, a circular limiting groove 105 is provided on the outer side of the main body 1 of the device, and the circular limiting groove 105 and the circular cutter head 202 can be engaged with each other.

[0029] The operation process of this embodiment is as follows: The side of the main body 1 of the device close to the detection component 3 is brought into contact with the point to be detected. First, the operation signal is transmitted to the first cylinder 102 through the control body 101, so that the circular frame 201 fixedly connected to the telescopic end of the first cylinder 102 moves relative to the side of the main body 1 toward the detection component 3. This causes the circular cutter head 202 fixedly connected to one end of the circular frame 201 to move toward the outside of the main body 1, and drives the detection component 3, which is slidably engaged in the outer support component 2, to advance deeper into the soil. This allows the circular cutter head 202 to continue to advance into the soil and cut the soil during the advancement process, avoiding the impact of stones in the soil on the advancement of the outer support component 2. One end of the first connecting plate 204 is pulled by the second connecting plate 205, and the other end is pulled by the circular cutter head 202. The other end of the second connecting plate 205 is hinged to one side of the ring 1031 fixedly connected to the inner wall of the main body 1. Since the cutting blade 203 and the second connecting plate 205 are of the same length, the first connecting plates 204 remain parallel to each other. As the circular blade head 202 continues to cut and advance into the soil, the cutting blades 203 rotate. One end of the cutting blades 203 is driven by the circular blade head 202 to advance deeper into the soil, while the other ends move closer to each other. The angle between the cutting blades 203 and the main body 1 of the device gradually increases, ultimately achieving the advancement of the outer support component 2. By moving the ends of the cutting blades 203 away from the detection component 3 closer to each other during the advancement process, the soil in the advancement direction is supported, avoiding the collapse and vibration of the surrounding soil caused by the dynamic influence of the detection component 3 during the insertion of the detection component 3. After the vibration monitoring structure set inside the detection component 3 is inserted into the soil, the vibration signal in the soil is monitored, improving the stability of the vibration monitoring process of the detection component 3. Example 2:

[0030] Based on Embodiment 1, this embodiment has a second cylinder 206 fixedly installed on the inner wall of the circular frame 201, and two second sliding grooves 2012 are opened on the inner wall of the circular frame 201.

[0031] Furthermore, the detection assembly 3 includes a detection rod 301 fixedly connected to the telescopic end of the second cylinder 206, a U-shaped frame 302 fixedly connected to one side of the detection rod 301, a sliding rail 3011 fixedly connected to the outer side of the detection rod 301 and slidingly engaging with the two second sliding grooves 2012, and the telescopic end of the second cylinder 206 and the outer side of the U-shaped frame 302 fixedly connected.

[0032] The operation process of this embodiment is as follows: After the circular frame 201 is pushed forward, the operation signal is transmitted to the second cylinder 206 through the control body 101. The control body 101 can be an STM32 series MCU, which drives the U-shaped frame 302 fixedly connected to the telescopic end of the second cylinder 206 to move away from the second cylinder 206. This drives the probe rod 301 fixedly connected to one end of the U-shaped frame 302 to continue to move forward into the soil, realizing the advancement of the probe rod 301 in the soil. The sliding cooperation between the two sliding rails 3011 fixedly connected to the outer circumferential side of the probe rod 301 and the second sliding groove 2012 provides circumferential limitation for the advancement of the probe rod 301, preventing the probe rod 301 from rotating. Example 3:

[0033] Based on Embodiment 2, this embodiment includes a third cylinder 3021 fixedly installed on the inner wall of the U-shaped frame 302. The extension end of the third cylinder 3021 is fixedly connected to a traction plate 303. The first cylinder 102, the second cylinder 206 and the third cylinder 3021 are all electrically connected to the control body 101.

[0034] Specifically, the probe rod 301 has a first rectangular hole 3012, a second rectangular hole 3013, and a third rectangular hole 3014 inside, and the traction plate 303 is slidably fitted between the first rectangular hole 3012, the second rectangular hole 3013, and the third rectangular hole 3014; the probe rod 301 has a first displacement hole 3015, a second displacement hole 3016, and a third displacement hole 3017 inside, the first displacement hole 3015 is connected to the first rectangular hole 3012, the second displacement hole 3016 is connected to the first rectangular hole 3012 and the second rectangular hole 3013, and the third displacement hole 3017 is connected to the second rectangular hole 3013 and the third rectangular hole 3014.

[0035] Furthermore, two detection grooves 3018 are provided on the outer periphery of the detection rod 301. The two detection grooves 3018 are interconnected with the first displacement hole 3015, the second displacement hole 3016, and the third displacement hole 3017. Several protrusions 30181 are provided on the inner wall of the two detection grooves 3018. Several longitudinal plates 3031 are fixedly connected to one side of the traction plate 303. The first detection plate 3032 is rotatably engaged on both sides of the longitudinal plates 3031. The second detection plate 3033 is rotatably engaged on the side of the first detection plate 3032 away from the longitudinal plates 3031. A monitoring mechanism 30321 is fixedly installed on the end of the first detection plate 3032 near the second detection plate 3033. The first detection plate 3032 and the second detection plate 3033 are both set in the detection grooves 3018.

[0036] The operation process of this embodiment is as follows: After the probe rod 301 is advanced in the soil, the third cylinder 3021, which is fixedly installed on the inner wall of the U-shaped frame 302, is activated. This drives the traction plate 303, which is fixedly connected to the telescopic end of the third cylinder 3021, to slide between the first rectangular hole 3012, the second rectangular hole 3013, and the third rectangular hole 3014. Several longitudinal plates 3031 are respectively arranged in the first displacement hole 3015, the second displacement hole 3016, and the third displacement hole 3017. Since one end of the first probe plate 3032 is rotatably engaged with one side of the longitudinal plate 3031, and the other end is rotatably engaged with one end of the second probe plate 3033, while the other end of the second probe plate 3033 is hinged in the probe groove 3018, during the movement of the traction plate 303 relative to the probe rod 301, it drives the several longitudinal plates 3031 fixedly connected to one side of the traction plate 303 to move towards the outside of the device, thereby driving the first probe plate 3032 and the third rectangular hole 3014 to slide. The rotating ends of the two detection plates 3033 move towards the outside of the detection rod 301, ultimately driving the monitoring mechanism 30321, which is fixedly installed at the end of the second detection plate 3033, to move towards the outside of the detection rod 301. This achieves close and deep contact between the monitoring mechanism 30321 and the soil at the monitoring site, improving the stability of the monitoring data source of the monitoring mechanism 30321. The size of the several protrusions 30181 set on the inner wall of the two detection slots 3018 is such that the first detection plate 3032 and the second detection plate 3033 are never parallel to each other, and the rotating end of the first detection plate 3032 and the second detection plate 3033 is always closer to the outside of the detection rod 301 than the other end of the second detection plate 3033. This ensures that the monitoring mechanism 30321, which is fixedly installed at the end of the first detection plate 3032, always moves towards the outside of the detection rod 301. Furthermore, the setting of multiple monitoring mechanisms 30321 increases the number of samples for monitoring results.

[0037] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vibration monitoring device for subsea tunnel boring machines, characterized in that: The device includes a main body (1), a control body (101) is fixedly installed on the inner wall of the main body (1), a first cylinder (102) is fixedly installed on the inner wall of the main body (1), an external support assembly (2) is fixedly connected to the telescopic end of the first cylinder (102), and a detection assembly (3) is slidably fitted inside the external support assembly (2). The external support assembly (2) includes a circular frame (201). One end of the circular frame (201) is fixedly connected to a circular blade (202) on the outside of the device body (1). The circular blade (202) is hinged to a plurality of cutting blades (203) on the side closer to the device body (1). One end of the cutting blade (203) is hinged to a first connecting plate (204). The side of the first connecting plate (204) away from the cutting blade (203) is hinged to a second connecting plate (205). The cutting blade (203) and the second connecting plate (205) are of the same length. The inner wall of the main body (1) of the device is fixedly connected to a support frame (103), and a ring (1031) is provided at the center of the support frame (103). Several second connecting plates (205) are hinged to one side of the ring (1031), and two T-shaped sliders (1032) are fixedly connected to the inner wall of the ring (1031). The outer side of the circular frame (201) is provided with a first sliding groove (2011) that slides and engages with the two T-shaped sliders (1032).

2. The vibration monitoring device for subsea tunnel boring machines according to claim 1, characterized in that: The outer side of the main body (1) of the device has several moving holes (104) through it, and several cutting blades (203) are respectively arranged in several moving holes (104).

3. The vibration monitoring device for subsea tunnel boring machines according to claim 2, characterized in that: The outer side of the main body (1) of the device is provided with a circular limiting groove (105), and the circular limiting groove (105) and the circular cutter head (202) can be engaged with each other.

4. The vibration monitoring device for subsea tunnel boring machine construction according to claim 3, characterized in that: The inner wall of the circular frame (201) is fixedly installed with a second cylinder (206), and the inner wall of the circular frame (201) is provided with two second sliding grooves (2012). The detection assembly (3) includes a detection rod (301) fixedly connected to the telescopic end of the second cylinder (206). A U-shaped frame (302) is fixedly connected to one side of the detection rod (301). A sliding rail (3011) that slides and engages with two second sliding grooves (2012) is fixedly connected to the outer side of the detection rod (301). The telescopic end of the second cylinder (206) and the outer side of the U-shaped frame (302) are fixedly connected.

5. The vibration monitoring device for subsea tunnel boring machine construction according to claim 4, characterized in that: The detection component (3) includes a third cylinder (3021) fixedly installed on the inner wall of the U-shaped frame (302). The extension end of the third cylinder (3021) is fixedly connected to a traction plate (303). The first cylinder (102), the second cylinder (206) and the third cylinder (3021) are all electrically connected to the control body (101).

6. The vibration monitoring device for subsea tunnel boring machine construction according to claim 5, characterized in that: The probe rod (301) has a first rectangular hole (3012), a second rectangular hole (3013) and a third rectangular hole (3014) inside, and the traction plate (303) is slidably fitted between the first rectangular hole (3012), the second rectangular hole (3013) and the third rectangular hole (3014); The probe rod (301) has a first displacement hole (3015), a second displacement hole (3016) and a third displacement hole (3017) inside. The first displacement hole (3015) and the first rectangular hole (3012) are interconnected. The second displacement hole (3016) and the first rectangular hole (3012) and the second rectangular hole (3013) are interconnected. The third displacement hole (3017) and the second rectangular hole (3013) and the third rectangular hole (3014) are interconnected.

7. The vibration monitoring device for subsea tunnel boring machine construction according to claim 6, characterized in that: The outer periphery of the probe rod (301) is provided with two probe grooves (3018), and the two probe grooves (3018) are connected to the first displacement hole (3015), the second displacement hole (3016) and the third displacement hole (3017). The inner walls of the two probe grooves (3018) are provided with a number of protrusions (30181). A plurality of longitudinal plates (3031) are fixedly connected to one side of the traction plate (303). A first detection plate (3032) is rotatably fitted on one side of the plurality of longitudinal plates (3031) located on both sides of the traction plate (303). A second detection plate (3033) is rotatably fitted on the side of the first detection plate (3032) away from the longitudinal plates (3031). A monitoring mechanism (30321) is fixedly installed on the end of the first detection plate (3032) near the second detection plate (3033). Both the first detection plate (3032) and the second detection plate (3033) are set in the detection groove (3018).

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