A device for detecting underground pipelines based on vibration waves

Abstract

The present application relates to an underground pipeline detection device based on vibration waves, and relates to the technical field of pipeline detection, including a transmitter, a receiver, and a detection vehicle, wherein the transmitter is connected to the end of the pipeline, the receiver is connected to the detection vehicle, the detection vehicle is provided with a fixing mechanism for fixing the detection vehicle, and the detection vehicle is provided with a marking mechanism, and the marking mechanism is used to mark the detection point. The transmitter emits vibration waves, and the vibration waves extend along the pipeline. The receiver receives the vibration waves, and the receiver can display the buried depth of the pipeline. The maximum peak displayed on the receiver is the detection point directly above the pipeline. The marking mechanism marks the detection point of the pipeline, marks several detection points in turn, and finally connects the detection points to determine the direction and buried depth of the pipeline, thereby reducing the possibility of the pipeline being dug up due to misjudgment of the position during the excavation process, and reducing the risk of damage and leakage of the pipeline.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline detection, and in particular to an underground pipeline detection device based on vibration waves. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for transporting gas, liquid or fluid with solid particles. Pipes are widely used, mainly for water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices. Pipes have many advantages in transporting materials, which are easy to manage and control, and have low costs.

[0003] However, with long-term operation and natural aging of equipment, as well as changes in underground and climate environments, leakage failures occur from time to time, especially in the pipelines of the petrochemical industry. Once a leakage accident occurs, it will cause serious environmental pollution and resident safety accidents. At the same time, pipeline leakage will also cause significant economic losses to the country. Therefore, it is necessary to establish a pipeline detection system to detect underground pipelines.

[0004] Currently, most pipelines are buried in the ground. When inspecting the pipelines, the soil around the pipelines needs to be dug up. However, due to years of disrepair, the pipelines are prone to shifting in position. During excavation, the pipelines are easily broken, resulting in the possibility of damage and leakage. Summary of the invention

[0005] In order to improve the possibility that the pipeline position may be offset and thus easily cut, the present application provides an underground pipeline detection device based on vibration waves.

[0006] The present application provides an underground pipeline detection device based on vibration waves, which adopts the following technical solution:

[0007] A vibration wave-based underground pipeline detection device comprises a transmitter, a receiver and a detection vehicle, wherein the transmitter is connected to the end of the pipeline, the receiver is connected to the detection vehicle, a fixing mechanism for fixing the detection vehicle is provided on the detection vehicle, and a marking mechanism is provided on the detection vehicle for marking a detection point.

[0008] By adopting the above technical solution, the fixing mechanism fixes the detection vehicle, reduces the possibility of shaking of the detection vehicle, and improves the fixing stability of the detection vehicle. The transmitter emits vibration waves, which extend along the pipeline. The receiver receives the vibration waves. The maximum peak displayed on the receiver is the detection point directly above the pipeline. The receiver can also detect the depth of the pipeline. The marking mechanism marks the detection points of the pipeline, marks several detection points in turn, and finally connects the detection points to determine the direction and burial depth of the pipeline, reducing the possibility of the pipeline being dug up due to misjudgment of the position during the excavation process, improving work efficiency, and reducing the risk of pipeline damage and leakage.

[0009] Preferably, the marking mechanism includes a sliding frame and a spray gun, the receiver is slidably connected to the sliding frame, the spray gun is fixedly connected to the receiver, the sliding frame is slidably connected to the detection vehicle, and the detection vehicle is provided with a driving assembly for driving the sliding frame to slide in a vertical direction.

[0010] By adopting the above technical solution, the driving component drives the sliding frame to slide in the vertical direction, thereby driving the receiver to approach or move away from the ground. When the receiver is close to the ground, the receiver slides in the horizontal direction of the sliding frame, thereby increasing the scanning area of ​​the receiver, making it easier for the receiver to detect the detection point where the vibration wave peak is the largest. On the one hand, this improves the detection accuracy; on the other hand, it can also shorten the distance between the spray gun and the ground, thereby improving the spray clarity of the spray gun; when the receiver is far away from the ground, the distance between the spray gun and the receiver and the ground becomes larger, reducing the possibility of collision between the receiver and the protrusions on the ground, thereby improving the safety of the receiver.

[0011] Preferably, a sliding block is slidably connected to the sliding frame, the receiver is fixedly connected to the sliding block, the spray gun is provided with a controller for controlling the spraying of the spray gun, the controller is electrically connected to the receiver, and the sliding frame is provided with a sliding member for driving the sliding block to slide.

[0012] By adopting the above technical solution, the sliding member drives the sliding block to slide, and the sliding block drives the receiver to slide. When the vibration wave peak is detected on the receiver, the controller is triggered, and the controller drives the spray gun to spray, marking the detection point, thereby improving the accuracy of the marking, reducing labor, and improving work efficiency.

[0013] Preferably, the sliding member includes a pull rope and a pulley, one end of the pull rope is fixedly connected to the pulley, and the other end is fixedly connected to the sliding block, the end of the sliding block away from the pull rope is fixedly connected to a tension spring, and the sliding frame is provided with a first motor for driving the pulley to rotate.

[0014] By adopting the above technical solution, the output shaft of the first motor rotates, driving the wire wheel to rotate, the wire wheel reels the pull rope, and then drives the sliding block to slide, the sliding block drives the receiver to slide, the transmission is smooth, and the sliding stability of the receiver is improved. The tension of the tension spring pulls the sliding block back to slide, thereby realizing the reciprocating sliding of the sliding block, which is easy to operate and saves labor.

[0015] Preferably, the driving assembly includes a screw and a screw sleeve, the screw sleeve is fixedly connected to the sliding frame, the screw is rotationally connected to the detection vehicle, the screw is threadedly connected to the screw sleeve, and the detection vehicle is provided with a second motor for driving the screw to rotate.

[0016] By adopting the above technical solution, the output shaft of the second motor rotates to drive the screw to rotate, and the screw is threadedly connected to the screw sleeve, thereby driving the sliding frame to slide in the vertical direction, thereby improving the sliding smoothness of the sliding frame. The screw and the screw sleeve are threadedly connected and have self-locking properties, thereby reducing the possibility of the sliding frame sliding back.

[0017] Preferably, the fixing mechanism includes a plurality of rods and a first piston cylinder, the first piston cylinder is fixedly connected to the detection vehicle, a first piston body is slidably connected inside the first piston cylinder, one end of the rod away from the ground is fixedly connected to the first piston body, and the detection vehicle is provided with an adjustment component for driving the first piston body to slide.

[0018] By adopting the above technical solution, the adjustment component drives the first piston body to slide, thereby driving the insertion rod to be inserted into the soil. The insertion rod fixes the detection vehicle, reduces the possibility of shaking of the detection vehicle during the detection process, and improves the fixing stability of the detection vehicle.

[0019] Preferably, the adjusting assembly includes a second piston cylinder and a second piston body, the second piston cylinder is fixedly connected to the detection vehicle, the second piston body is slidably connected to the second piston cylinder, a push rod is fixedly connected to the sliding frame, the end of the push rod away from the sliding frame is fixedly connected to the second piston body, and the second piston cylinder is connected to the first piston cylinder through a first air duct.

[0020] By adopting the above technical solution, the sliding frame slides in the vertical direction, thereby driving the push rod to slide, and the push rod drives the second piston body to slide along the length direction of the second piston cylinder, thereby changing the air pressure in the second piston cylinder, thereby causing the air pressure in the first piston cylinder to change, and then driving the first piston body to slide, driving the insertion rod to slide, and improving the sliding consistency of the insertion rod and the sliding frame.

[0021] Preferably, a water pipe is fixedly connected to the probe vehicle, a plurality of nozzles are connected to the water pipe, a water storage tank for supplying water to the water pipe is provided on the probe vehicle, and a pipe control unit for controlling the flow of the water pipe is provided on the probe vehicle.

[0022] By adopting the above technical solution, the water in the water tank flows to the nozzle through the water pipe, and finally sprays to the ground through the nozzle, increasing the humidity of the ground soil, improving the softness of the soil, facilitating the insertion of the rod, reducing damage to the rod, extending the service life of the rod, and thus improving work efficiency. The pipe control is used to control the flow of the water pipe, thereby adjusting the soil humidity and reducing the occurrence of excessive dryness or excessive wetness of the soil.

[0023] Preferably, the pipe control unit includes a third piston cylinder, a third piston body and a pipe plug body, the water pipe is connected to a regulating pipe, the pipe plug body is slidably connected to the regulating pipe, the pipe plug body is coaxially fixedly connected to the third piston body, the third piston body is slidably connected to the third piston cylinder, the third piston cylinder is fixedly connected to the detection vehicle, the third piston cylinder is provided with a second air duct, and the second air duct is connected to an end of the second piston cylinder away from the first air duct.

[0024] By adopting the above technical solution, the air pressure in the second piston cylinder is reduced, and the gas enters the third piston cylinder through the second air guide pipe, pushing the third piston body to slide toward the control pipe. The third piston body drives the pipe plug body to open the water pipe, so that the water in the water tank flows to the nozzle through the water pipe, increasing soil moisture and facilitating operation.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] The fixing mechanism fixes the detection vehicle to reduce the possibility of shaking of the detection vehicle and improve the fixing stability of the detection vehicle. The transmitter emits vibration waves, which extend along the pipeline. The receiver receives the vibration waves and can display the buried depth of the pipeline. The maximum peak displayed on the receiver is the detection point directly above the pipeline. The marking mechanism marks the detection points of the pipeline, marks several detection points in turn, and finally connects the detection points to determine the direction and buried depth of the pipeline, reducing the possibility of the pipeline being broken due to misjudgment of the position during the excavation process, improving work efficiency, and reducing the risk of pipeline damage and leakage;

[0027] The driving assembly drives the sliding frame to slide in the vertical direction, thereby driving the receiver to approach or move away from the ground. When the receiver is close to the ground, the receiver slides in the horizontal direction of the sliding frame, thereby increasing the scanning area of ​​the receiver, making it easier for the receiver to detect the detection point at the maximum peak of the vibration wave, thereby improving the detection accuracy on the one hand; on the other hand, it can also shorten the distance between the spray gun and the ground, thereby improving the spray clarity of the spray gun; when the receiver is far away from the ground, the distance between the spray gun and the receiver and the ground becomes larger, reducing the possibility of collision between the receiver and the protrusions on the ground, thereby improving the safety of the receiver;

[0028] The sliding frame slides in the vertical direction, thereby driving the push rod to slide, and the push rod drives the second piston body to slide along the length direction of the second piston cylinder, thereby changing the air pressure in the second piston cylinder, thereby causing the air pressure in the first piston cylinder to change, and then driving the first piston body to slide, driving the insertion rod to slide, and improving the sliding consistency of the insertion rod and the sliding frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of the detection device as a whole in the embodiment of the present application.

[0030] Figure 2 It is a cross-sectional view used to illustrate the adjustment component in the embodiment of the present application.

[0031] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle.

[0032] Figure 4 It is a cross-sectional view used to illustrate the tube control in the embodiment of the present application.

[0033] Figure 5 It is a structural schematic diagram used to reflect the sliding member in the embodiment of the present application.

[0034] Explanation of the reference numerals: 1. transmitter; 2. receiver; 3. detection vehicle; 31. guide groove; 32. water storage tank; 33. control pipe; 34. water pipe; 35. nozzle; 4. fixing mechanism; 41. adjustment assembly; 411. second piston cylinder; 412. second piston body; 42. pipe control unit; 421. third piston cylinder; 422. third piston body; 423. pipe plug body; 424. piston rod; 43. insertion rod; 431. tip; 44. first Piston cylinder; 45, first piston body; 46, first air duct; 47, second air duct; 5, marking mechanism; 51, drive assembly; 511, second motor; 512, screw; 513, screw sleeve; 52, sliding frame; 521, guide block; 522, push rod; 523, slide groove; 53, spray gun; 54, controller; 6, pipeline; 7, sliding member; 71, pull rope; 72, reel; 73, first motor; 74, sliding block; 75, tension spring. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-5 This application is described in further detail.

[0036] The present application embodiment discloses an underground pipeline detection device based on vibration waves. Figure 1, an underground pipeline detection device based on vibration waves includes a transmitter 1, a receiver 2 and a detection vehicle 3. The transmitter 1 is detachably connected to the end of the pipeline 6, and the receiver 2 is connected to the detection vehicle 3. The transmitter 1 transmits vibration waves, and the receiving frequency of the receiver 2 is the same as the transmitting frequency of the transmitter 1. In the embodiment of the present application, the receiving frequency and the transmitting frequency are both adjusted to 512Hz. A fixing mechanism 4 is installed on the detection vehicle 3, and the fixing mechanism 4 is used to fix the detection vehicle 3 on the ground to reduce the possibility of shaking of the detection vehicle 3 during the measurement process. A marking mechanism 5 is also installed on the detection vehicle 3, and the marking mechanism 5 is used to mark the detection point, so as to facilitate the operator to accurately judge the direction and burial depth of the pipeline 6 according to the marking point, reduce the possibility of the pipeline 6 being dug up due to misjudgment, and thus reduce the risk of damage and leakage of the pipeline 6.

[0037] Reference Figure 2 as well as Figure 3 The fixing mechanism 4 includes an adjustment component 41 and an insertion rod 43. The insertion rod 43 is slidably connected to the detection vehicle 3. There are four insertion rods 43, which are respectively located around the detection vehicle 3. The end of the insertion rod 43 facing the ground is provided with a tip 431, which is convenient for inserting into the soil. The adjustment component 41 includes a second piston cylinder 411 and a second piston body 412. The second piston cylinder 411 is welded and fixed to the detection vehicle 3. The axis of the second piston cylinder 411 is perpendicular to the ground. The second piston body 412 is slidably connected to the second piston cylinder 411. The marking mechanism 5 includes a sliding frame 52 and a driving component 51. The driving component 51 includes a second motor 511 and a screw 512. The second motor 511 is fixedly connected to the detection vehicle 3 by bolts. The output shaft of the second motor 511 is coaxially fixedly connected to the screw 512. A guide block 521 is welded to one end of the sliding frame 52 facing the detection vehicle 3. A guide groove 31 for sliding the guide block 521 is provided on the side wall of the detection vehicle 3. The guide groove 31 extends in the vertical direction. The end of the sliding frame 52 facing the detection vehicle 3 is rotatably connected with the screw sleeve 513, and the screw rod 512 is threadedly connected with the screw sleeve 513. The sliding frame 52 is located below the second piston cylinder 411, and the end of the sliding frame 52 facing the second piston cylinder 411 is welded with a push rod 522, and the end of the push rod 522 away from the sliding frame 52 extends into the second piston cylinder 411, and the end of the push rod 522 extending into the second piston cylinder 411 is coaxially fixedly connected with the second piston body 412.

[0038] Reference Figure 2The fixing mechanism 4 further includes a first piston cylinder 44, which is fixedly connected to the detection vehicle 3. There are four first piston cylinders 44, which are arranged one by one corresponding to the insertion rods 43. A first piston body 45 is coaxially slidably connected in the first piston cylinder 44, and the end of the insertion rod 43 away from the ground is coaxially fixedly connected to the first piston body 45. The end of the first piston cylinder 44 away from the ground is connected to the first air guide pipe 46, and the end of the first air guide pipe 46 away from the first piston cylinder 44 is connected to the end of the second piston cylinder 411 facing the sliding frame 52.

[0039] During detection, the output shaft of the second motor 511 rotates, thereby driving the screw 512 to rotate. The screw 512 is threadedly connected to the screw sleeve 513, thereby driving the sliding frame 52 to slide toward the ground. The guide block 521 is slidably connected to the guide groove 31, thereby reducing the possibility of shaking of the sliding frame 52. The sliding frame 52 drives the push rod 522 to slide toward the ground, thereby driving the second piston body 412 to slide toward the ground. The gas between the second piston body 412 and the first air pipe 46 is compressed and enters the first piston cylinder 44 through the first air pipe 46, thereby pushing the first piston body 45 to slide toward the ground. The first piston body 45 drives the insertion rod 43 to be inserted into the soil, thereby fixing the detection vehicle 3, thereby reducing the possibility of shaking of the detection vehicle 3 during detection, and improving the detection accuracy.

[0040] Reference Figure 4 In order to facilitate the insertion of the rod 43 into the soil and improve the softness of the soil, a water tank 32 is installed in the detection vehicle 3, and a control pipe 33 is welded on the detection vehicle 3, and the control pipe 33 is connected to the water tank 32. The control pipe 33 is arranged vertically, and the side wall of the control pipe 33 is connected to a water pipe 34, which extends along the width direction of the vehicle body, and the water pipe 34 is connected to a nozzle 35, and there are multiple nozzles 35 arrayed along the length direction of the water pipe 34. A pipe control 42 is installed on the detection vehicle 3, and the pipe control 42 includes a third piston cylinder 421, a third piston body 422 and a pipe plug body 423. The third piston cylinder 421 is located in the detection vehicle 3, and the end of the third piston cylinder 421 away from the ground is connected to the second air guide pipe 47, and the end of the second air guide pipe 47 away from the third piston cylinder 421 is connected to the end of the second piston cylinder 411 away from the ground. The third piston body 422 is slidably connected to the third piston cylinder 421, and the side of the third piston body 422 facing the ground is coaxially fixedly connected with a piston rod 424, the plug body 423 is coaxially fixedly connected to the end of the piston rod 424 away from the third piston body 422, and the plug body 423 is slidably connected to the regulating pipe 33. In the initial state, the plug body 423 closes the water pipe 34 to reduce the possibility of water being discharged from the water pipe 34 and causing waste of water resources.

[0041] During operation, the gas in the second piston cylinder 411 enters the third piston cylinder 421 through the second air guide pipe 47, and the air pressure in the third piston cylinder 421 pushes the third piston body 422 to slide, and the third piston body 422 drives the piston rod 424 to slide vertically downward, thereby causing the pipe plug body 423 to be separated from the pipe opening of the water pipe 34. The water in the water storage tank 32 enters the water pipe 34 from the regulating pipe 33, and then enters the nozzle 35 from the water pipe 34. The nozzle 35 sprays water on the ground to increase the humidity of the ground, thereby facilitating the insertion of the rod 43 into the soil and reducing damage to the rod 43.

[0042] Reference Figure 5 In order to increase the receiving range of the receiver 2 for the vibration wave, a sliding member 7 is installed on the sliding frame 52. The sliding member 7 includes a pull rope 71 and a wire wheel 72. The sliding frame 52 is fixedly connected with a first motor 73 by screws. The output shaft of the first motor 73 is coaxially fixedly connected with the wire wheel 72. The pull rope 71 is wound on the wire wheel 72. The end of the pull rope 71 away from the wire wheel 72 is glued with a sliding block 74. The receiver 2 and the sliding block 74 are fixed by bolts. A sliding groove 523 for sliding the sliding block 74 is provided on the sliding frame 52. The sliding groove 523 extends along the length direction of the sliding frame 52. In order to facilitate the sliding block 74 to slide back and forth along the length direction of the sliding frame 52, a tension spring 75 is welded on the end of the sliding frame 52 away from the wire wheel 72. The end of the tension spring 75 facing the sliding block 74 is welded and fixed to the end of the sliding block 74 away from the pull rope 71.

[0043] When working, the output shaft of the first motor 73 rotates, driving the reel 72 to rotate, the reel 72 reels the pull rope 71, and then drives the sliding block 74 to slide toward the reel 72, and the sliding block 74 drives the receiver 2 to slide toward the reel 72, thereby increasing the movement distance of the receiver 2, thereby improving the docking accuracy of the receiver 2 and the transmitter 1, increasing the detection range of the receiver 2, and improving the work efficiency. The output shaft of the first motor 73 is reversed, and the tension of the tension spring 75 pulls the sliding block 74 to slide in the direction away from the reel 72, thereby driving the receiver 2 to slide in the direction away from the reel 72, further increasing the detection range of the receiver 2, and further improving the work efficiency.

[0044] Reference Figure 5 In order to improve the accuracy of the detection point, the marking mechanism 5 also includes a spray gun 53, which is fixedly connected to the receiver 2, and a controller 54 is installed on the spray gun 53, and the controller 54 is electrically connected to the receiver 2. When the frequency coincidence between the receiver 2 and the transmitter 1 reaches the maximum value, the position corresponding to the receiver 2 is the position of the pipeline 6, and the receiver 2 triggers the controller 54, and the controller 54 drives the spray gun 53 to spray the ground, thereby marking the detection point to form a marking point. Finally, the operator determines the approximate direction of the pipeline 6 according to the position of each marking point, which is convenient to operate and improves the detection accuracy.

[0045] The implementation principle of the underground pipeline detection device based on vibration waves in the embodiment of the present application is as follows: when working, the operator first connects the transmitter 1 to the end of the pipeline 6, so that the vibration wave emitted by the transmitter 1 can be transmitted through the pipeline 6. Secondly, the operator adjusts the receiving frequency of the receiver 2 to be the same as the transmitting frequency of the transmitter 1. The operator pushes the detection vehicle 3 to walk, and when the receiving frequency of the receiver 2 coincides with the transmitting frequency of the transmitter 1 to a set range, the output shaft of the second motor 511 rotates, thereby driving the screw 512 to rotate, the screw 512 drives the screw sleeve 513 to move along the length direction of the screw 512, the screw sleeve 513 drives the sliding frame 52 to slide toward the ground, the sliding frame 52 drives the second piston body 412 to slide toward the ground through the push rod 522, and then squeezes the gas in the second piston cylinder 411 into the first piston cylinder 44, pushing the first piston body 45 to slide toward the ground, and the first piston body 45 drives the insertion rod 43 to be inserted into the soil to fix the vehicle body.

[0046] Then, the output shaft of the first motor 73 rotates, thereby driving the reel 72 to rotate. The reel 72 drives the sliding block 74 to slide through the pull rope 71. The sliding block 74 drives the receiver 2 to slide along the length direction of the sliding frame 52 to find the maximum overlap between the receiving frequency of the receiver 2 and the transmitting frequency of the transmitter 1. When the receiving frequency of the receiver 2 and the transmitting frequency of the transmitter 1 have the maximum overlap, the receiver 2 triggers the controller 54, and the controller 54 drives the spray gun 53 to spray toward the ground, marking the position of the maximum overlap to form a marking point. Repeat the above steps, and finally, the operator judges the direction of the pipeline 6 according to each marking point to improve the detection accuracy.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An underground pipeline detection device based on vibration waves, characterized in that: The invention comprises a transmitter (1), a receiver (2) and a detection vehicle (3), wherein the transmitter (1) is connected to the end of a pipeline (6), the receiver (2) is connected to the detection vehicle (3), the detection vehicle (3) is provided with a fixing mechanism (4) for fixing the detection vehicle (3), the detection vehicle (3) is provided with a marking mechanism (5), the marking mechanism (5) is used to mark a detection point, the marking mechanism (5) comprises a sliding frame (52) and a spray gun (53), the receiver (2) is slidably connected to the sliding frame (52), the spray gun (53) is fixedly connected to the receiver (2), the sliding frame (52) is slidably connected to the detection vehicle (3), and the detection vehicle (3) is provided with a device for driving the sliding frame (52) to slide in a vertical direction. The driving assembly (51) comprises a screw (512) and a screw sleeve (513), wherein the screw sleeve (513) is fixedly connected to the sliding frame (52), the screw (512) is rotatably connected to the detection vehicle (3), the screw (512) and the screw sleeve (513) are threadedly connected, the detection vehicle (3) is provided with a second motor (511) for driving the screw (512) to rotate, the fixing mechanism (4) comprises a plurality of plug rods (43) and a first piston cylinder (44), the first piston cylinder (44) is fixedly connected to the detection vehicle (3), a first piston body (45) is slidably connected inside the first piston cylinder (44), and an end of the plug rod (43) away from the ground is fixedly connected to the first piston body (45), The detection vehicle (3) is provided with an adjustment component (41) for driving the first piston body (45) to slide. The adjustment component (41) includes a second piston cylinder (411) and a second piston body (412). The second piston cylinder (411) is fixedly connected to the detection vehicle (3). The second piston body (412) is slidably connected to the second piston cylinder (411). A push rod (522) is fixedly connected to the sliding frame (52). The end of the push rod (522) away from the sliding frame (52) is fixedly connected to the second piston body (412). The second piston cylinder (411) is connected to the first piston cylinder (44) via a first air guide pipe (46). The detection vehicle (3) is fixedly connected to a water pipe (34). The water pipe (34) is connected to a plurality of nozzles (35), the detection vehicle (3) is provided with a water storage tank (32) for supplying water to the water pipe (34), the detection vehicle (3) is provided with a pipe control unit (42) for controlling the flow of the water pipe (34), the pipe control unit (42) comprises a third piston cylinder (421), a third piston body (422) and a pipe plug body (423), the water pipe (34) is connected to a control pipe (33), the pipe plug body (423) is slidably connected to the control pipe (33), the pipe plug body (423) is coaxially fixedly connected to the third piston body (422), the third piston body (422) is slidably connected to the third piston cylinder (421), and the third piston cylinder (421) is fixedly connected to the detection vehicle (3),The third piston cylinder (421) is provided with a second air guide pipe (47), and the second air guide pipe (47) is connected to an end of the second piston cylinder (411) away from the first air guide pipe (46).

2. The underground pipeline detection device based on vibration waves according to claim 1, characterized in that: The sliding frame (52) is slidably connected to a sliding block (74), the receiver (2) is fixedly connected to the sliding block (74), the spray gun (53) is provided with a controller (54) for controlling the spray gun (53) to spray, the controller (54) is electrically connected to the receiver (2), and the sliding frame (52) is provided with a sliding member (7) for driving the sliding block (74) to slide.

3. The underground pipeline detection device based on vibration waves according to claim 2 is characterized in that: The sliding member (7) comprises a pull rope (71) and a wire wheel (72), one end of the pull rope (71) is fixedly connected to the wire wheel (72), and the other end is fixedly connected to a sliding block (74), one end of the sliding block (74) away from the pull rope (71) is fixedly connected to a tension spring (75), and the sliding frame (52) is provided with a first motor (73) for driving the wire wheel (72) to rotate.

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