Rapid detection device for straightness of riser based on laser measurement technology

Abstract

The invention discloses a rapid detection device for the straightness of a riser based on a laser measurement technology, and the device comprises a rack, the rack is rotatably provided with a rotating shaft with an annular groove rubber guide wheel, and is provided with a positioning mechanism and a driving mechanism; the middle of the rack is rotatably connected with an annular plate, the inner wall of the rack is provided with a laser measuring instrument, and the annular plate is meshed with a motor-driven gear through a gear ring; the rubber guide wheels are matched with cleaning, airflow assisting and wiping mechanisms. The device drives the rubber guide wheel to synchronously convey the guide pipe through double power sources, and the motor drives the laser measuring instrument to circumferentially rotate, so that continuous automatic measurement is realized, a measured piece does not need to be manually moved, and the efficiency is greatly improved; the positioning mechanism limits offset rotation of the guide pipe, the cleaning, airflow and wiping integrated mechanism removes pollutants of the guide pipe, sliding errors are avoided, and the measurement precision is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of pipeline straightness measurement equipment technology, specifically a rapid detection device for the straightness of water-resistant conduits based on laser measurement technology. Background Technology

[0002] The riser is a key piece of equipment in offshore oil drilling. It is a large steel tubular structure that extends from the drilling platform on the sea surface to the seabed, establishing a drilling fluid circulation channel, isolating seawater, guiding the drill string, and supporting the blowout preventer. Therefore, it is necessary to confirm that its straightness is up to standard before installation. Otherwise, the connection between the riser and other connecting parts will fail. Therefore, it is particularly important to measure the straightness of the riser using a straightness measuring device.

[0003] However, a steel pipe straightness measuring device with application number CN201220725356.8 includes a plumb bob, support rods, a main rotating shaft, gears, and a variable frequency motor. The variable frequency motor is connected to the main rotating shaft by a chain. The main rotating shaft is fixed by a coupling fixed on the machine workbench. Support rods are installed at both ends of the main rotating shaft, and hooks are installed on the support rods. Measuring lines are installed on the hooks, and plumb bobs are added to both ends of the measuring lines. The measuring lines are in a horizontal and taut state. When using this device to measure straightness, the measured part needs to be moved manually, resulting in low measurement efficiency. Summary of the Invention

[0004] The purpose of this invention is to overcome or at least partially solve the above-mentioned problems by proposing a rapid detection device for the straightness of a water-tight conduit based on laser measurement technology.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a rapid detection device for the straightness of a water-tight conduit based on laser measurement technology, comprising a frame, on which a plurality of rotating shafts for supporting and conveying the water-tight conduit are rotatably mounted, each rotating shaft being provided with a rubber guide wheel with an annular groove on its sidewall; a positioning mechanism for limiting the offset of the water-tight conduit is provided on the frame, and the rotating shafts are driven by a driving mechanism that drives them to rotate synchronously; an annular plate is rotatably connected to the middle of the frame, dividing the plurality of rotating shafts into front and rear groups, a laser measuring instrument is installed on the inner wall of the annular plate, and the annular groove of the rubber guide wheel faces the inner side of the annular plate; a toothed ring is provided on the outer wall of the annular plate, the toothed ring meshing with a gear, and the gear being driven to rotate by a motor on the frame;

[0006] The rubber guide wheel is also equipped with a cleaning mechanism, an airflow assist mechanism, and a wiping mechanism. The cleaning mechanism is used to remove contaminants from the surface of the rubber guide wheel. The airflow assist mechanism works with the cleaning mechanism to achieve the auxiliary effect of the cleaning medium and waste liquid recovery. The wiping mechanism is used for secondary cleaning of residual impurities on the surface of the rubber guide wheel.

[0007] In a preferred embodiment, the positioning mechanism includes a positioning guide wheel, a second rotating shaft, a bearing seat, a spring, and a connecting frame; the connecting frame is correspondingly arranged on the frame above every two adjacent rubber guide wheels, the positioning guide wheel is arranged on the bottom side of the connecting frame, the second rotating shaft is arranged in the positioning guide wheel, and the two ends of the second rotating shaft are rotatably assembled in the bearing seat; the top of the bearing seat is connected to the connecting frame by a spring.

[0008] In a preferred embodiment, the driving mechanism includes two symmetrically arranged motors, which are fixed to the frame and located on both sides of the ring plate. The output end of the two motors is connected to each rotating shaft through a transmission assembly to drive all rotating shafts to rotate synchronously in the same direction, thereby driving the rubber guide wheel to convey the water-proof conduit.

[0009] In a preferred embodiment, the cleaning mechanism includes a cleaning box located directly below each rubber guide wheel. The top of the cleaning box is an arched surface adapted to the rubber guide wheel, and the arched surface has several drainage holes with one-way valves. An arched piston is slidably sealed inside the cleaning box. A spring is connected between the bottom surface of the arched piston and the bottom wall of the cleaning box. A lifting rod penetrating the cleaning box is fixed to the bottom of the arched piston, and each lifting rod is drivenly connected to a lifting component. A compression chamber for containing the cleaning medium is formed between the top wall of the cleaning box and the arched piston.

[0010] In a preferred embodiment, the side wall of the cleaning box is connected to an inlet pipe, which is located in the compression chamber area. Its other end is connected to the cleaning medium storage tank, and a one-way valve is provided inside the inlet pipe.

[0011] In a preferred embodiment, the airflow assist mechanism includes a guide tube fixed to the bottom of the cleaning box, and the guide tube is wrapped around the outer wall of the lifting rod and slidably sealed to each other; a conduit is connected to the guide tube, one end of the conduit is connected to an air pump, and the other end is connected to an airflow output component facing the rubber guide wheel; the lifting rod has a through hole communicating with the conduit, and a waist-shaped hole arranged longitudinally below the through hole.

[0012] In a preferred embodiment, the airflow output assembly includes a sleeve, the bottom end of which is slidably and sealingly connected to a guide tube, and its output end is bent toward the annular groove of the rubber guide wheel; a mounting ring is fixed on the guide tube, a second mounting ring is fixed on the sleeve, and a third spring is connected between the second mounting ring and the third mounting ring; a baffle is fixed on the frame, the baffle is located in the middle of the annular groove of the rubber guide wheel and corresponds to the second mounting ring, and is used to limit the lifting stroke of the sleeve.

[0013] In a preferred embodiment, the wiping mechanism includes a wiping wheel arranged opposite to the airflow output component, the axis of the wiping wheel being perpendicular to the rotating shaft, and a replaceable wiping medium provided on its side wall; the wiping wheel is connected to the output end of motor four, motor four is fixed on a movable frame, the movable frame is connected to a horizontal moving mechanism, and the movable frame is provided with a negative pressure suction system, the negative pressure suction system being directed toward the arched surface of the cleaning box through an auxiliary suction tube.

[0014] In a preferred embodiment, the horizontal moving mechanism includes a motor five and a screw two. The motor five is fixed on the frame, and its output end is fixedly connected to the screw two. The screw two is threadedly connected to the side of several moving frames, and the other side of the moving frames is slidably engaged with the frame.

[0015] In a preferred embodiment, the lifting component includes a motor and an optical shaft fixed on the frame. The output end of the motor is connected to a screw, and the screw is threadedly connected to the lifting plate. The lifting plate is slidably engaged with the optical shaft on the frame.

[0016] Compared with existing technologies, the rapid detection device for the straightness of a water-tight conduit based on laser measurement technology provided by this invention uses dual power sources to drive all rubber guide wheels to synchronously transport the water-tight conduit. A motor drives the laser measuring instrument to rotate circumferentially, enabling continuous automatic measurement of the water-tight conduit without requiring manual movement of the tested component, significantly improving detection efficiency. The positioning mechanism uses elastically pressed positioning guide wheels to limit the offset and rotation of the water-tight conduit, ensuring a stable measurement benchmark. Simultaneously, an integrated cleaning, airflow, and wiping mechanism effectively removes contaminants from the surface of the rubber guide wheels, avoiding measurement errors caused by conduit slippage and improving measurement accuracy. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the positioning mechanism structure of the present invention;

[0019] Figure 3 This is a schematic diagram showing the connection relationship between the second motor and the sprocket of the present invention;

[0020] Figure 4 This is a schematic diagram of the sprocket structure of the present invention;

[0021] Figure 5 This is a cross-sectional view of the cleaning box of the present invention;

[0022] Figure 6 This is a schematic diagram showing the connection relationship between the liquid inlet tube and the cleaning box of the present invention;

[0023] Figure 7 This is a schematic diagram of the wiping assembly structure of the present invention;

[0024] Figure 8 This is a cross-sectional view of the sleeve of the present invention;

[0025] Figure 9 This is a schematic diagram of the lifting component structure of the present invention;

[0026] Figure 10 This is a schematic diagram showing the connection relationship between the motor five and the screw two of the present invention;

[0027] Figure 11 This is a schematic diagram showing the installation position of the cleaning push plate of the present invention.

[0028] In the diagram: 1. Frame; 2. Positioning mechanism; 3. Rotating shaft; 4. Rubber guide wheel; 5. Ring plate; 6. Gear ring; 7. Gear; 8. Motor; 9. Positioning guide wheel; 10. Rotating shaft two; 11. Bearing seat; 12. Spring; 13. Connecting frame; 14. Motor two; 15. Sprocket; 16. Chain; 17. Sprocket two; 18. Sprocket three; 19. Chain two; 20. Cleaning box; 21. Drain hole; 22. Arched piston; 23. Lifting rod; 24. Spring two; 25. Lifting component; 26. Liquid inlet pipe; 27. Guide. 28. Tube; 29. ​​Guide tube; 30. Through hole; 31. Waist-shaped hole; 32. Airflow output assembly; 33. Sleeve; 34. Mounting ring; 35. Mounting ring two; 36. Spring three; 37. Baffle; 38. Motor three; 39. Screw; 40. Lifting plate; 41. Optical axis; 42. Wiping wheel; 43. Motor four; 44. Moving frame; 46. Wiping assembly; 47. Motor five; 48. Screw two; 49. Negative pressure suction system; 50. Suction tube; 51. Auxiliary suction tube; 52. Cleaning push plate; 53. Arched surface two. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this description, those skilled in the art can make creative modifications to this embodiment as needed, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0031] This invention provides a rapid detection device for the straightness of water-resistant conduits based on laser measurement technology, which solves the technical problems in the prior art. The overall concept is as follows:

[0032] Example 1

[0033] Please see Figures 1-11A rapid detection device for the straightness of a water-tight conduit based on laser measurement technology includes a frame 1. Several rotating shafts 3 for supporting and transporting the water-tight conduit are rotatably mounted on the frame 1. Each rotating shaft 3 is equipped with a rubber guide wheel 4 with an annular groove on its sidewall. A positioning mechanism 2 for limiting the offset of the water-tight conduit is provided on the frame 1. The rotating shafts 3 are connected to a drive mechanism that drives them to rotate synchronously. An annular plate 5 is rotatably connected to the middle of the frame 1, dividing the rotating shafts 3 into front and rear groups. A laser measuring instrument is installed on the inner wall of the annular plate 5, and the annular groove of the rubber guide wheel 4 faces the inner side of the annular plate 5. A toothed ring 6 is provided on the outer wall of the annular plate 5, meshing with a gear 7, which is driven to rotate by a motor 8 on the frame 1.

[0034] The rubber guide wheel 4 is also equipped with a cleaning mechanism, an airflow auxiliary mechanism, and a wiping mechanism. The cleaning mechanism is used to remove contaminants from the surface of the rubber guide wheel 4. The airflow auxiliary mechanism works with the cleaning mechanism to assist in the cleaning medium and recover waste liquid. The wiping mechanism is used for secondary cleaning of residual impurities on the surface of the rubber guide wheel 4.

[0035] In use, the water-proof conduit is placed in the annular groove of the rubber guide wheel 4, and the drive mechanism is started to drive all the rubber guide wheels 4 to rotate synchronously, so as to achieve smooth transport of the water-proof conduit. The positioning mechanism 2 restricts the circumferential rotation and axial offset of the water-proof conduit to ensure the stability of the measurement benchmark. When the water-proof conduit passes through the ring plate 5, the drive mechanism stops, the motor 8 starts to drive the gear 7, the gear ring 6 and the ring plate 5 to rotate, and the laser measuring instrument performs a full circumferential scan of the current measurement segment. The laser measuring instrument locates the center of each measurement segment, fits to form a center line, and compares the deviation of the center line with the ideal center line to determine whether the straightness is qualified. After a single measurement is completed, the drive mechanism is started again, the water-proof conduit continues to be transported, and the measurement process is repeated to achieve continuous detection.

[0036] In summary, by driving the laser measuring instrument to rotate circumferentially with the motor 8, and cooperating with the continuous conveying of the rubber guide wheel 4, the straightness detection of the entire length of the water-proof conduit can be completed without manual intervention, greatly improving the detection efficiency; the positioning mechanism 2 prevents the water-proof conduit from shifting or rotating during the measurement process, ensuring a consistent measurement benchmark and improving measurement accuracy; the integrated cleaning, airflow assistance, and wiping mechanism can maintain the cleanliness of the rubber guide wheel 4 in real time, preventing contaminants from affecting the conveying stability and further ensuring measurement accuracy.

[0037] Example 2

[0038] Please see Figure 1 , Figure 2The positioning mechanism 2 includes a positioning guide wheel 9, a second rotating shaft 10, a bearing seat 11, a spring 12, and a connecting frame 13. The connecting frame 13 is correspondingly set on the frame 1 above each pair of adjacent rubber guide wheels 4. The positioning guide wheel 9 is set on one side of the bottom of the connecting frame 13. The second rotating shaft 10 is set in the positioning guide wheel 9, and the two ends of the second rotating shaft 10 are rotatably assembled in the bearing seat 11. The top of the bearing seat 11 is connected to the connecting frame 13 through the spring 12. More specifically, the connecting frame 13 also has guide rods and sliders. One set of guide rods is located in the spring 12, and the other set of guide rods is located on both sides of the bearing seat 11. The sliders are connected to both sides of the bearing seat 11 and slidably connected to the corresponding guide rods.

[0039] During the transport of the water-tight conduit, the positioning guide wheel 9 rotates synchronously with the movement of the conduit. The elastic force of the spring 12 causes the bearing 11 seat to drive the positioning guide wheel 9 to always press against the top of the water-tight conduit. Without affecting the movement and straightness of the conduit, it can restrict the circumferential rotation of the conduit and prevent axial deviation, avoiding missed or repeated measurements of the measurement section and ensuring measurement accuracy. The positioning guide wheel 9 only needs to provide clamping force and guiding function. The material can be rubber or other wear-resistant materials, expanding the range of material selection and reducing manufacturing difficulty.

[0040] Example 3

[0041] Please see Figure 1 , Figure 3 , Figure 4 The drive mechanism includes symmetrically arranged motors 14, which are fixed to the frame 1 and located on both sides of the ring plate 5. The output end of motors 14 is connected to each rotating shaft 3 through a transmission assembly to drive all rotating shafts 3 to rotate synchronously in the same direction, thereby driving the rubber guide wheel 4 to convey the water-proof conduit. More specifically, the transmission assembly includes a sprocket 15, a chain 16, a second sprocket 17, a third sprocket 18, and a second chain 19. The output end of motor 14 is connected to sprocket 15, which is connected to sprocket 17 through chain 16. Sprocket 17 and sprocket 18 are coaxially fixed on the same rotating shaft 3. Sprocket 18, located on the same side of the rotating shaft 3 of the ring plate 5, is connected to sprocket 19 through chain 19.

[0042] After motor 2 14 starts, it drives sprocket 2 17 to rotate via sprocket 15 and chain 16, which in turn drives coaxial sprocket 3 18 to rotate. Sprocket 3 18 drives sprocket 3 18 on the same side shaft 3 to rotate via chain 2 19, ultimately achieving synchronous and unidirectional rotation of all rubber guide wheels 4. The dual power source design can share the load, avoiding insufficient driving force due to excessive weight of the conduit from a single power source, while extending the service life of the transmission components and reducing the frequency and cost of inspection and maintenance. The number of transmission components can be flexibly set according to the number of shafts 3 to adapt to the testing needs of water-proof conduits of different lengths.

[0043] Example 4

[0044] Please see Figure 1 , Figure 5 , Figure 6 The cleaning mechanism includes a cleaning box 20 located directly below each rubber guide wheel 4. The top of the cleaning box 20 is an arched surface adapted to the rubber guide wheel 4, and the arched surface has several drain holes 21 with one-way valves. An arched piston 22 is slidably sealed inside the cleaning box 20. A spring 24 is connected between the bottom surface of the arched piston 22 and the bottom wall of the cleaning box 20. A lifting rod 23 that penetrates the cleaning box 20 is fixed at the bottom of the arched piston 22, and each lifting rod 23 is drivenly connected to a lifting component 25. A compression chamber for containing the cleaning medium is formed between the top wall of the cleaning box 20 and the arched piston 22.

[0045] Furthermore, the side wall of the cleaning box 20 is connected to an inlet pipe 26, which is located in the compression chamber area. Its other end is connected to the isopropanol storage tank, and a one-way valve is provided inside the inlet pipe 26.

[0046] After the riser is processed, it is coated with rust-preventive oil or other types of grease for corrosion protection. The structure is also affected by oil leaks from hoisting equipment or tensioners, resulting in grease and oil stains adhering to the structure. Furthermore, lubricating oil is used for routine maintenance of the riser. Therefore, after straightness measurement, grease accumulates on the sidewall of the rubber guide wheel 4, specifically in the annular groove. When measuring a new riser, even with the positioning guide wheel 9 applying downward pressure, the smooth sidewall of the rubber guide wheel 4 reduces the friction of the annular groove, causing the riser to move forward a certain distance due to inertia. This results in missed measurements in the middle of the measurement section. The measurement results will be distorted after the heart drifts, which will lead to the failure of the entire straightness measurement. Therefore, after grease appears on the side wall of the rubber guide wheel 4, the lifting component 25 is set to drive multiple lifting rods 23 to move upward. The cleaning box 20, the arched piston 22 and the spring 24 move synchronously. When the arched surface contacts the bottom side wall of the rubber guide wheel 4, the position of the cleaning box 20 remains unchanged. Then, under the thrust of the lifting rod 23, the arched piston 22 continues to move upward relative to the cleaning box 20, the volume of the compression chamber decreases, and the isopropanol in it is discharged from the drain hole 21 through the one-way valve. At this time, in order to improve the cleaning efficiency of the rubber guide wheel 4, the rubber guide wheel 4 is rotated. The flowing isopropanol dissolves the grease on the rubber guide wheel 4, thereby achieving the purpose of cleaning the rubber guide wheel 4.

[0047] When not in operation, a one-way valve is installed in the drain hole 21 to prevent the compression chamber from communicating with the environment. This can prevent isopropanol from evaporating and also prevent the isopropanol in the compression chamber from being oxidized and losing its cleaning function.

[0048] When the amount of grease on the rubber guide wheel 4 is large, the arched piston 22 rises to a large height, and the volume of isopropanol discharged is large. When the amount of grease on the rubber guide wheel 4 is small, the arched piston 22 rises to a small height, and the volume of isopropanol discharged is small. The mechanism can clean the grease on the rubber guide wheel 4 in a targeted manner according to the actual situation, which can avoid the waste of raw materials and also avoid the phenomenon of incomplete cleaning.

[0049] Additionally, when isopropanol is discharged from the compression chamber, the one-way valve 2 in the inlet pipe 26 is closed. After the isopropanol in the compression chamber is discharged, the lifting component 25 drives the lifting rod 23 to move downward, the height of the arched piston 22 in the cleaning box 20 decreases, the spring 24 returns to its original position, and the one-way valve 2 opens to replenish isopropanol into the compression chamber. The isopropanol in the isopropanol storage tank is replenished back into the compression chamber, and the one-way valve in the drain hole 21 closes to prepare for the next cleaning and to ensure that the arched piston 22 returns to its original position smoothly in the cleaning box 20.

[0050] Example 5

[0051] Please see Figure 1 , Figure 5 , Figure 7 The airflow assist mechanism includes a guide tube 27 fixed to the bottom of the cleaning box 20, and the guide tube 27 is wrapped around the outer wall of the lifting rod 23 and slides and seals against each other; a conduit 28 is connected to the guide tube 27, one end of the conduit 28 is connected to an air pump, and the other end is connected to an airflow output component 31 facing the rubber guide wheel 4; the lifting rod 23 has a through hole 29 that communicates with the conduit 28, and a waist-shaped hole 30 that is longitudinally arranged below the through hole 29.

[0052] Before cleaning the oil stains on the rubber guide wheel 4, the airflow output component 31 can blow air onto the rubber guide wheel 4. This is because there may still be residual dust or moisture on the water-proof conduit after the oil stains have been cleaned. Therefore, as the height of the cleaning box 20 increases, the height of the guide tube 27 also increases synchronously. The air pump connected to the conduit 28 is working in the forward direction at this time, supplying air to the airflow output component 31 through the conduit 28 and the through hole 29. At this time, the output end of the airflow output component 31 can blow air onto the side wall of the rubber guide wheel 4. Simultaneously, the dust and water on it will be blown away and dried, further avoiding the phenomenon that the device will fail to measure due to dust or water on the side wall of the rubber guide wheel 4, and ensuring the efficiency and speed of the device for straightness measurement.

[0053] Example 6

[0054] Please see Figure 1 , Figure 7 , Figure 8The airflow output assembly 31 includes a sleeve 32, the bottom end of which is slidably and sealed to the guide tube 28, and its output end is bent towards the lower part of the annular groove of the rubber guide wheel 4; a mounting ring 33 is fixed on the guide tube 28, and a second mounting ring 34 is fixed on the sleeve 32, with a third spring 35 connecting the mounting ring 33 and the second mounting ring 34; a baffle 36 is fixed on the frame 1, the baffle 36 is located in the middle of the annular groove of the rubber guide wheel 4 and corresponds to the second mounting ring 34, and is used to limit the lifting stroke of the sleeve 32; the end of the guide tube 28 is connected to the top of the funnel of the Buchner funnel filtration flask, and the output end of the air pump is connected to the inner wall of the Buchner funnel filtration flask, and both the funnel and the filtration flask are made of stainless steel.

[0055] As the height of the airflow output assembly 31 continues to rise, the baffle 36 can limit the horizontal portion of the sleeve 32 to prevent it from moving further upward. At this time, the output end of the sleeve 32 has moved to the middle of the rubber guide wheel 4, the air pump temporarily stops working, and the exhaust work of the sleeve 32 ends. As the height of the guide tube 28 rises, the mounting ring 33 rises synchronously. Under the pressure of the mounting ring 34, the spring 35 is compressed and shortened, ending the connection between the guide tube 28 and the through hole 29. Subsequently, the guide tube 28 begins to connect with the waist-shaped hole 30 in an alternating manner. Since the waist-shaped hole 30 is set vertically, the air pump starts at this time and can apply negative pressure to the waist-shaped hole 30 through the guide tube 28. Then, negative pressure is generated in the sleeve 32. At this time, the sleeve 32 has completed the blowing away of dust or moisture on the side wall of the rubber guide wheel 4. Simultaneously, as the distance between the mounting ring 34 and the mounting ring 33 decreases, the top of the cleaning box 20 begins to contact the side wall of the rubber guide wheel 4 and begins to discharge isopropyl alcohol to clean the grease on it. During cleaning, isopropanol dissolves grease, producing waste liquid. At this time, the rotation direction of the rubber guide wheel 4 is the same as that of the conveying water-proof conduit. Therefore, the side wall of the rubber guide wheel 4, which has been dissolved in grease, begins to rotate towards the sleeve 32. Simultaneously, based on the above description, the continuously rising lifting rod 23 drives the arched piston 22 to rise in height within the cleaning box 20, allowing the isopropanol to be continuously discharged and ensuring continuous dissolution of the waste liquid on the side wall of the rubber guide wheel 4. At the same time, the air pump starts to work in reverse. Waste liquid is drawn in by sleeve 32 and enters the high-strength Buchner funnel filtration flask through conduit 28 and waist-shaped hole 30. The waste liquid is uniformly collected, which can prevent the air pump from being damaged when working in reverse. If waste liquid remains in sleeve 32, conduit 28 and waist-shaped hole 30, the reverse working time of the air pump can be extended, that is, the time for drawing waste liquid can be extended, so as to avoid the residual waste liquid re-adhering to the side wall of rubber guide wheel 4 when the air pump outputs air through sleeve 32 during the next forward working.

[0056] The cleaning effect of the sleeve 32, the guide tube 28 and the waist-shaped hole 30 can also be improved by adding water or isopropanol into the sleeve 32 during suction.

[0057] During the suction of waste liquid, the through hole 29 is sealed by the guide tube 27, so no waste liquid will enter the through hole 29. And since there is no residual waste liquid in the air output by the air pump after the waste liquid is thoroughly cleaned, the through hole 29 will not be contaminated again.

[0058] When performing waste liquid suction, the waist-shaped hole 30 can ensure that the pipe 28 can always be opened when the lifting rod 23 is continuously rising, preventing the phenomenon of negative pressure suction interruption when the device is suctioning waste liquid, and thus avoiding incomplete waste liquid suction.

[0059] The suction function not only recovers waste liquid, but also prevents waste liquid from re-adhering to the rubber guide wheel 4 and reverting to grease. It also avoids excessive volatilization of isopropanol, which could cause isopropanol vapor to explode near the device, and prevents isopropanol vapor from harming the operator's respiratory system.

[0060] Example 7

[0061] Please see Figure 1 , Figure 7 The wiping mechanism includes a wiping wheel 41 arranged opposite to the airflow output component. The axis of the wiping wheel 41 is perpendicular to the rotating shaft 3, and its side wall is provided with replaceable industrial non-woven fabric. The wiping wheel 41 is connected to the output end of the motor 42, which is fixed on the moving frame 43 and connected to the horizontal moving mechanism.

[0062] After the suction of waste liquid from the rubber guide wheel 4 is completed, to ensure the cleaning effect, the industrial non-woven fabric on the wiping wheel 41 is used to wipe the side wall of the rubber guide wheel 4 again, further improving the cleaning effect. During operation, the horizontal moving mechanism drives the moving frame 43 to move downwards from the rubber guide wheel 4. When it moves into position, the non-woven fabric on the wiping wheel 41 contacts the side wall of the rubber guide wheel 4. Then, the motor 42 is started, and its output end drives the wiping wheel 41 to rotate. Together with the rotating rubber guide wheel 4, the residual substances on the rubber guide wheel 4 are thoroughly wiped. At the same time, the detachable industrial non-woven fabric reduces the difficulty of removing it from the wiping wheel 41. Since the device has suctioned isopropyl alcohol, the amount of residual waste liquid on the removed industrial non-woven fabric is very small, but it still needs to be collected and placed in a ventilated and cool place for treatment to ensure production safety.

[0063] Example 8

[0064] Please see Figure 10 , Figure 11The horizontal moving mechanism includes a motor 46 and a screw 47. The motor 46 is fixed on the frame 1, and its output end is fixedly connected to the screw 47. The screw 47 is threadedly connected to the side of several moving frames 43, and the other side of the moving frames 43 is slidably engaged with the frame 1.

[0065] When it is necessary to move the wiping wheel 41 below the rubber guide wheel 4, the motor 5 46 drives the screw 2 47 to rotate. Under the sliding engagement of the frame 1, the moving frame 43, which is threadedly connected to the screw 2 47, moves towards the rubber guide wheel 4. After wiping the rubber guide wheel 4 is finished, the motor 5 46 drives the screw 2 47 to rotate in the opposite direction. Under the sliding engagement of the frame 1, the moving frame 43, which is threadedly connected to the screw 2 47, moves away from the rubber guide wheel 4.

[0066] Example 9

[0067] Please see Figure 11 A negative pressure suction system 48 is connected to the movable frame 43. The end of the negative pressure suction system 48 is connected to the end of the suction tube 49. The suction tube 49 is connected to the ends of multiple auxiliary suction tubes 50. The other end of the auxiliary suction tubes 50 is set towards the top of the arched surface of the cleaning box 20. The end face of the cleaning push plate 51 is connected to the movable frame 43. The other end face of the cleaning push plate 51 is spaced apart from the cleaning box 20. The arched surface 52 at the bottom of the cleaning push plate 51 is coplanar with the arched surface. The cleaning push plate 51 is connected to the auxiliary suction tubes 50.

[0068] As the moving frame 43 moves toward the rubber guide wheel 4, the cleaning push plate 51 moves synchronously. During the movement, its arched surface 52 rubs against the arched surface to scrape it. Simultaneously, under the start-up condition of the negative pressure suction system 48, the negative pressure suction system 48 applies negative pressure to the auxiliary suction pipe 50 through the suction pipe 49, thereby assisting the suction pipe 50 to suction the arched surface. During suction, residual waste liquid can be suctioned, as well as oil sludge on the arched surface, further improving the cleanliness inside the device.

[0069] Since the sleeve 32 installed inside the device can suck up the waste liquid, and the rubber guide wheel 4 rotates in the direction of the sleeve 32, the rubber guide wheel 4 will be quickly sucked up after contacting isopropanol. Since isopropanol is volatile, combined with the economically optimized production process, there will be no phenomenon of large-area isopropanol flow on the arched surface, which further improves the rationality of the device and the safety during cleaning.

[0070] After the cleaning of the arched surface is completed, the negative pressure suction system 48 is shut down, completing the suction of oil sludge and residual waste liquid;

[0071] The negative pressure suction system 48 is specifically a negative pressure pump with a filter device, as is the case in the prior art.

[0072] Example 10

[0073] Please see Figure 9 The lifting component 25 includes a motor 37 and an optical shaft 40 fixed on the frame 1. The output end of the motor 37 is connected to a screw 38, and the screw 38 is threadedly connected to the lifting plate 39. The lifting plate 39 is slidably engaged with the optical shaft 40 on the frame 1.

[0074] When the lifting rod 23 needs to be moved upward, motor 37 starts, screw 38 rotates, and lifting plate 39 moves upward under the guidance of optical axis 40. When the lifting rod 23 needs to be moved downward, motor 37 starts, screw 38 rotates in the opposite direction, and lifting plate 39 moves downward under the guidance of optical axis 40, reducing the complexity of the device.

[0075] The above description of the embodiments is provided to facilitate understanding and use of the present invention by those skilled in the art. It is obvious to those skilled in the art that various modifications can be made to the embodiments, and the general principles described herein can be applied to other embodiments without creative effort. Therefore, the present invention is not limited to the above embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the protection scope of the present invention.

Claims

1. A rapid detection device for the straightness of a water-tight conduit based on laser measurement technology, characterized in that: The system includes a frame (1), on which a plurality of rotating shafts (3) for supporting and conveying water-proof conduits are rotatably mounted. Each rotating shaft (3) is provided with a rubber guide wheel (4) with an annular groove on its side wall. The frame (1) is provided with a positioning mechanism (2) for limiting the offset of the water-proof conduits. The rotating shafts (3) are connected to a drive mechanism that drives them to rotate synchronously. A ring plate (5) is rotatably connected in the middle of the frame (1), dividing the plurality of rotating shafts (3) into front and rear groups. A laser measuring instrument is installed on the inner wall of the ring plate (5). The annular groove of the rubber guide wheel (4) faces the inner side of the ring plate (5). A toothed ring (6) is provided on the outer wall of the ring plate (5). The toothed ring (6) meshes with a gear (7), and the gear (7) is driven to rotate by a motor (8) on the frame (1). The rubber guide wheel (4) is also equipped with a cleaning mechanism, an airflow auxiliary mechanism and a wiping mechanism. The cleaning mechanism is used to remove contaminants from the surface of the rubber guide wheel (4). The airflow auxiliary mechanism works with the cleaning mechanism to achieve the auxiliary role of the cleaning medium and the recycling of waste liquid. The wiping mechanism is used for secondary cleaning of residual impurities on the surface of the rubber guide wheel (4).

2. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 1, characterized in that: The positioning mechanism (2) includes a positioning guide wheel (9), a second rotating shaft (10), a bearing seat (11), a spring (12), and a connecting frame (13). The connecting frame (13) is correspondingly set on the frame (1) above each two adjacent rubber guide wheels (4). The positioning guide wheel (9) is set on the bottom side of the connecting frame (13). The second rotating shaft (10) is set in the positioning guide wheel (9). The two ends of the second rotating shaft (10) are rotatably assembled in the bearing seat (11). The top of the bearing seat (11) is connected to the connecting frame (13) through the spring (12).

3. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 1, characterized in that: The driving mechanism includes two symmetrically arranged motors (14), which are fixed to the frame (1) and located on both sides of the ring plate (5). The output end of the motors (14) is connected to each rotating shaft (3) through a transmission assembly to drive all rotating shafts (3) to rotate synchronously in the same direction, thereby driving the rubber guide wheel (4) to convey the water-proof conduit.

4. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 1, characterized in that: The cleaning mechanism includes a cleaning box (20) located directly below each rubber guide wheel (4). The top of the cleaning box (20) is an arched surface adapted to the rubber guide wheel (4), and the arched surface is provided with several drain holes (21) with one-way valves. An arched piston (22) is slidably sealed inside the cleaning box (20). A spring (24) is connected between the bottom surface of the arched piston (22) and the bottom wall of the cleaning box (20). A lifting rod (23) that penetrates the cleaning box (20) is fixed at the bottom of the arched piston (22), and each lifting rod (23) is driven to connect with a lifting component (25). A compression chamber for containing the cleaning medium is formed between the top wall of the cleaning box (20) and the arched piston (22).

5. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 4, characterized in that: The cleaning box (20) has an inlet pipe (26) connected to its side wall. The inlet pipe (26) is located in the compression chamber area, and its other end is connected to the cleaning medium storage tank. A one-way valve is provided inside the inlet pipe (26).

6. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 4, characterized in that: The airflow assist mechanism includes a guide tube (27) fixed to the bottom of the cleaning box (20), and the guide tube (27) is wrapped around the outer wall of the lifting rod (23) and slides and seals against each other; a conduit (28) is connected to the guide tube (27), one end of the conduit (28) is connected to the air pump, and the other end is connected to an airflow output component (31) facing the rubber guide wheel (4); the lifting rod (23) is provided with a through hole (29) that communicates with the conduit (28), and a waist-shaped hole (30) arranged longitudinally below the through hole (29).

7. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 6, characterized in that: The airflow output assembly (31) includes a sleeve (32), the bottom end of which is slidably sealed to the guide tube (28), and its output end is bent toward the annular groove of the rubber guide wheel (4); an installation ring (33) is fixed on the guide tube (28), and an installation ring two (34) is fixed on the sleeve (32), and a spring three (35) is connected between the installation ring (33) and the installation ring two (34); a baffle (36) is fixed on the frame (1), the baffle (36) is located in the middle of the annular groove of the rubber guide wheel (4) and corresponds to the installation ring two (34), and is used to limit the lifting stroke of the sleeve (32).

8. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 7, characterized in that: The wiping mechanism includes a wiping wheel (41) arranged opposite to the airflow output component. The axis of the wiping wheel (41) is perpendicular to the rotating shaft (3), and its side wall is provided with a replaceable wiping medium. The wiping wheel (41) is connected to the output end of the motor (42). The motor (42) is fixed on the moving frame (43). The moving frame (43) is connected to the horizontal moving mechanism, and the moving frame (43) is provided with a negative pressure suction system (48). The negative pressure suction system (48) is directed toward the arched surface of the cleaning box (20) through an auxiliary suction pipe (50).

9. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 8, characterized in that: The horizontal moving mechanism includes a motor (46) and a screw (47). The motor (46) is fixed on the frame (1), and its output end is fixedly connected to the screw (47). The screw (47) is threadedly connected to the side of several moving frames (43), and the other side of the moving frames (43) is slidably engaged with the frame (1).

10. The rapid detection device for the straightness of a water-tight conduit based on laser measurement technology according to claim 4, characterized in that: The lifting component (25) includes a motor (37) and an optical axis (40) fixed on the frame (1). The output end of the motor (37) is connected to a screw (38), and the screw (38) is threadedly connected to the lifting plate (39). The lifting plate (39) is slidably engaged with the optical axis (40) on the frame (1).

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