Hydraulic steel pipe assembly pickling and drying device and operation method thereof

Abstract

The invention belongs to the technical field of hydraulic steel pipe machining, and provides a hydraulic steel pipe assembly pickling and drying device which comprises an acid liquor box, a first hydraulic cylinder and a bearing structure, a liquid conveying structure is arranged on the side wall of the acid liquor box, the first hydraulic cylinder is arranged on a top plate, a first piston rod is arranged on the first hydraulic cylinder, and a second piston rod is arranged on the second hydraulic cylinder. The bearing structure comprises a bearing plate, an adjusting plate, a fixing cylinder, a bearing cylinder and a blocking cylinder, the bearing plate is connected with the first hydraulic cylinder, the adjusting plate is movably arranged on the bearing plate, the fixing cylinder penetrates through the bearing, a mounting ring is arranged on the bearing cylinder, and the blocking cylinder is arranged on the fixing plate. Acid liquor is sprayed into the fixing cylinder through the liquid conveying pipe, the liquid passing pipe and the liquid spraying pipe, flows into the bearing cylinder through the through holes in the bearing cylinder and enters the hydraulic steel pipe assembly, the acid liquor in the hydraulic steel pipe assembly flows out of the other end, the inner wall of the hydraulic steel pipe assembly is subjected to acid pickling treatment, and the acid pickling quality of the hydraulic steel pipe assembly is improved.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic steel pipe processing, and in particular to a hydraulic steel pipe assembly pickling and drying device and an operating method thereof. Background Art

[0002] Pipe pickling is the process of removing scale, rust and oil from the surface of the pipe through chemical action, making the metal surface clean and ensuring that the inner wall of the pipe reaches the specified cleanliness.

[0003] For example, a steel pipe processing pickling device with patent number CN219991748U includes a conveying frame, a pickling tank and a cleaning tank arranged side by side under the conveying frame, a screw transmission mechanism is provided on the conveying frame, and a slide seat is connected through the screw transmission mechanism, the bottom surface of the slide seat is connected to a driving box, a sliding hole is provided on the top of the conveying frame, the driving box is slidably arranged in the sliding hole, a lifting mechanism is provided in the driving box, and a hanging basket for placing steel pipes is connected to the output end of the lifting mechanism. The above technical scheme still has shortcomings. When in use, the two ends of the steel pipe are placed on the lower support seats of the support plates on both sides, and then the upper support seat is fixed to the lower support seat by bolts, so that the steel pipe remains stable, and the first motor is controlled to work to drive the rotating shaft to rotate, thereby driving the support plate and the steel pipe thereon to rotate, and the pickling liquid is difficult to enter the hydraulic steel pipe, which is inconvenient to fully pickle the hydraulic steel pipe, and it cannot be adaptively adjusted according to different hydraulic steel pipes, which reduces the versatility of the pickling and drying device.

[0004] Based on this, the applicant proposes a hydraulic steel pipe assembly pickling and drying device and an operating method thereof. Summary of the invention

[0005] The purpose of the present invention is to provide a hydraulic steel pipe assembly pickling and drying device with a reasonable structural design, which can simultaneously pickle and dry multiple hydraulic steel pipe assemblies, can be adaptively adjusted according to different hydraulic steel pipes, can fully pickle the inner wall of the hydraulic steel pipe, and has high versatility, and an operating method thereof.

[0006] The technical solution adopted by the present invention to solve its technical problem is:

[0007] A hydraulic steel pipe assembly pickling and drying device comprises an acid liquid tank, a hydraulic cylinder, and a bearing structure. The side wall of the acid liquid tank is provided with an infusion structure, a column is provided on the top of the acid liquid tank, a top plate is provided on the top of the column, and an air supply structure is provided on the top plate. The infusion structure extracts the acid liquid in the acid liquid tank and sprays the acid liquid into the hydraulic steel pipe assembly to pickle the inner wall of the hydraulic steel pipe assembly. The outer wall surface of the hydraulic steel pipe assembly contacts the acid liquid in the acid liquid tank, and the outer surface of the hydraulic steel pipe assembly is pickled, thereby achieving the purpose of cleaning the hydraulic steel pipe assembly. The purpose of pickling treatment on the inner and outer surfaces of the pipe assembly is that the hydraulic cylinder is arranged on the top plate, a piston rod is arranged on the hydraulic cylinder, the bearing structure includes a bearing plate, an adjustment plate, a fixed cylinder, a bearing cylinder, and a retaining cylinder. The bearing plate is connected to the hydraulic cylinder, a push-pull structure is arranged on one side of the bearing plate, and a fixed plate is arranged at the bottom of the bearing plate. The adjustment plate is movably arranged on the bearing plate, the adjustment plate is movably connected to the push-pull structure, a connecting plate is arranged at the bottom of the adjustment plate, and a bearing is arranged on the connecting plate. The bearing plate is arranged on the hydraulic The cam is provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels.

[0008] Preferably, the infusion structure comprises an infusion pump and a liquid passage tube, the infusion pump is arranged on the outer wall of the acid liquid box, a suction tube and an infusion tube are arranged on the infusion pump, and the suction tube is connected to the acid liquid box, the liquid passage tube is arranged on the infusion tube, a spray tube is arranged on the liquid passage tube, and the spray tube is inserted into one end of the fixed cylinder, the infusion pump extracts the acid in the acid liquid box through the suction tube, the acid liquid passes through the infusion tube, the liquid passage tube and the spray tube and sprays into the fixed cylinder, passes through the through hole on the bearing cylinder, flows into the bearing cylinder, and enters the hydraulic steel pipe assembly, the acid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly, the inner wall of the hydraulic steel pipe assembly is pickled, and the pickling quality of the hydraulic steel pipe assembly is enhanced.

[0009] Preferably, the air supply structure includes a blower and a ventilation pipe, the blower is arranged on the top plate, an air supply pipe is arranged on the blower, one side of the ventilation pipe is connected with the air supply pipe, and the other side of the air supply pipe is connected with the air injection pipe, the blower blows air into the hydraulic steel pipe assembly through the air supply pipe, the ventilation pipe and the air injection pipe, the air flow carries the moisture in the hydraulic steel pipe assembly and flows out from one end of the hydraulic steel pipe assembly in the supporting tube, the inner wall of the hydraulic steel pipe assembly is dried, and the pickling quality of the hydraulic steel pipe assembly is enhanced.

[0010] Preferably, a fixing groove is provided on the bearing plate, a limiting groove is provided on the inner side wall of the fixing groove, the adjustment plate is placed in the fixing groove, a connecting ring movably connected to the push-pull structure is provided on one side of the adjustment plate, a driving structure connected to the fixing cylinder is provided on the adjustment plate, limiting rods are provided on the outer walls on opposite sides of the adjustment plate, the limiting rods are inserted into the limiting groove, and auxiliary wheels are provided on the limiting rods. The push-pull structure pushes the adjustment plate to move back and forth in the fixing groove, and the adjustment plate drives the fixing cylinder and the bearing cylinder to move back and forth, so that the distance between the fixing cylinder and the retaining cylinder can be adjusted. It is suitable for hydraulic steel pipe assemblies of different lengths, improves the versatility of the pickling and drying device, and can reduce the resistance encountered by the adjustment plate during movement through the limiting rods and the auxiliary wheels, thereby improving the speed and smoothness of the adjustment process of the adjustment plate.

[0011] Preferably, the push-pull structure includes a fixing nut and an adjusting stud. The fixing nut is arranged on the side wall of the bearing plate, and the adjusting stud is inserted into the fixing nut. A handle is arranged on one end of the adjusting stud, and a clamping block is arranged on the other end. A clamping groove is arranged on the inner wall of the connecting ring, and the clamping block is inserted into the clamping groove. The adjusting stud is rotated by the handle, and the adjusting stud moves forward or backward in the fixing nut. The clamping block on one end of the adjusting stud rotates in the clamping groove, driving the connecting ring and the adjusting plate to move in the fixing groove. The position of the bearing cylinder can be adjusted according to the length of the hydraulic steel pipe assembly, thereby improving the versatility of the pickling and drying device.

[0012] Preferably, the driving structure comprises a motor, which is arranged on an adjustment plate, a transmission shaft is arranged on the motor, a driving wheel is arranged on the transmission shaft, a driven wheel is arranged on the fixed cylinder, the driven wheel is connected to the driving wheel through a belt, and a through groove for belt transmission is arranged on the adjustment plate, the driven wheels on two adjacent fixed cylinders are connected to each other through a belt, the motor drives the transmission shaft and the driving wheel installed on the transmission shaft to rotate, the driving wheel drives the driven wheel and the fixed cylinder to rotate through the belt, the driven wheel on the fixed cylinder drives the adjacent fixed cylinder and the bearing cylinder to rotate through the belt, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder to rotate, so that the surface of the hydraulic steel pipe assembly is fully in contact with the acid liquid, and the surface of the hydraulic steel pipe assembly is fully pickled. On the other hand, when the hydraulic steel pipe assembly after pickling is dried, the hydraulic steel pipe assembly rotates under the action of the motor, which can improve the drying efficiency and drying quality of the hydraulic steel pipe assembly.

[0013] Preferably, the mounting ring on the bearing cylinder is arranged to be replaceable from the fixed cylinder, the bearing cylinder and the retaining cylinder are arranged to be in one-to-one correspondence, a through hole is arranged at the bottom of the bearing cylinder, and a clamping plate is arranged on the inner wall of the bearing cylinder. According to the different outer diameters of the hydraulic steel pipe assembly, the corresponding bearing cylinder is selected, and the connecting ring on the bearing cylinder is installed on the fixed cylinder. This can improve the stability of the hydraulic steel pipe assembly in the bearing cylinder and the versatility of the pickling and drying device. Multiple bearing cylinders can simultaneously perform pickling and drying treatments on multiple hydraulic steel pipe assemblies, thereby improving the hydraulic steel pipe assembly. The pickling and drying efficiency is improved by the through hole in the bearing cylinder, which facilitates the pickling liquid in the fixed cylinder to flow into the hydraulic steel pipe assembly through the through hole. On the other hand, when the hydraulic steel pipe assembly is dried, the airflow sprayed into the hydraulic steel pipe assembly by the air jet pipe quickly flows out from the through hole. The clamping plate can improve the stability of the hydraulic steel pipe assembly in the bearing cylinder, making it easier for the bearing cylinder to drive the hydraulic steel pipe assembly to rotate. The clamping plate allows a certain distance between the hydraulic steel pipe assembly and the inner wall of the bearing cylinder, which facilitates the outflow of acid or airflow in the hydraulic steel pipe assembly, thereby improving the pickling and drying efficiency and the pickling and drying quality of the hydraulic steel pipe assembly.

[0014] Preferably, the retaining cylinder is configured as an arc-shaped structure with an opening at the top, a drainage groove is provided at the bottom of the retaining cylinder, and a cleaning brush structure is provided on the fixed plate. One end of the hydraulic steel pipe assembly is placed in the bearing cylinder, and the other end of the hydraulic steel pipe assembly is placed in the retaining cylinder. The retaining cylinder is configured as an arc-shaped structure with an opening at the top, which is convenient for placing one end of the hydraulic steel pipe assembly into or taking it out of the retaining cylinder, and for the hydraulic steel pipe assembly to rotate in the retaining cylinder. The acid flowing out of the hydraulic steel pipe assembly flows into the retaining cylinder, and through the drainage groove, the acid is quickly discharged from the retaining cylinder, thereby improving the drainage efficiency of the acid.

[0015] Preferably, the cleaning structure includes a second hydraulic cylinder and a cleaning brush plate. The second hydraulic cylinder is arranged on a fixed plate. A second piston rod is arranged on the second hydraulic cylinder. The cleaning brush plate is connected to the second piston rod. A cleaning brush groove is arranged at the bottom of the cleaning brush plate. The cleaning brush groove and the retaining cylinder are arranged in a one-to-one corresponding structure, and a cleaning brush layer is arranged on the inner wall of the cleaning brush groove. The second hydraulic cylinder and the second piston rod push the cleaning brush plate to move, so that the cleaning brush groove at the bottom of the cleaning brush plate brushes the surface of the hydraulic steel pipe assembly. The hydraulic steel pipe assembly rotates in the cleaning brush groove. The cleaning brush layer in the cleaning brush groove can fully clean the surface of the hydraulic steel pipe assembly, remove impurities on the surface of the hydraulic steel pipe assembly, and improve the pickling quality of the hydraulic steel pipe assembly.

[0016] An operating method for a hydraulic steel pipe assembly pickling and drying device, characterized in that the operating method comprises the following steps:

[0017] First: Check whether the circuit of the hydraulic steel pipe assembly pickling and drying device is normal, and whether the hydraulic cylinder 1, infusion pump, blower, motor and hydraulic cylinder 2 can work normally;

[0018] Second: According to the outer diameter of the hydraulic steel pipe assembly to be pickled, select the corresponding bearing cylinder, install the connecting ring on the bearing cylinder on the fixed cylinder, place one end of the hydraulic steel pipe assembly in the bearing cylinder, turn the adjustment stud by the handle, and adjust one end of the stud to drive the connecting ring and the adjustment plate to move in the fixed groove, drive the bearing cylinder and one end of the hydraulic steel pipe assembly in the bearing cylinder to move, and put the other end of the hydraulic steel pipe assembly into the retaining cylinder;

[0019] Third: Start the motor, the motor drives the transmission shaft and the driving wheel installed on the transmission shaft to rotate, the driving wheel drives the driven wheel and the fixed cylinder to rotate through the belt, the driven wheel on the fixed cylinder drives the adjacent fixed cylinder and the bearing cylinder to rotate through the belt, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder to rotate;

[0020] Fourth: Start the infusion pump, which extracts the acid in the acid tank through the suction tube. The acid flows into the fixed cylinder through the infusion tube, the liquid pipe, and the spray tube, flows into the bearing cylinder through the through hole on the bearing cylinder, and enters the hydraulic steel pipe assembly to pickle the inner wall of the hydraulic steel pipe assembly. The acid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly and flows back to the acid tank through the drainage groove at the bottom of the retaining cylinder.

[0021] Fifth: start hydraulic cylinder 1, hydraulic cylinder 1 and piston rod 1 push the bearing plate downward, the bearing plate drives the bearing cylinder, the retaining cylinder and the hydraulic steel pipe assembly between the bearing cylinder and the retaining cylinder to descend, so that the hydraulic steel pipe assembly enters the acid in the acid tank, and the outer surface of the hydraulic steel pipe assembly is pickled;

[0022] Sixth: Start the second hydraulic cylinder. The second hydraulic cylinder and the second piston rod push the cleaning brush plate to move, so that the cleaning brush groove at the bottom of the cleaning brush plate brushes the surface of the hydraulic steel pipe assembly. The hydraulic steel pipe assembly rotates in the cleaning brush groove, and the cleaning brush groove can fully clean the surface of the hydraulic steel pipe assembly.

[0023] Seventh: After the pickling of the hydraulic steel pipe assembly is completed, the hydraulic steel pipe assembly is removed from the acid tank, the hydraulic cylinder 1, hydraulic cylinder 2, and infusion pump are turned off, and the blower is started. The blower blows air into the hydraulic steel pipe assembly through the air supply pipe, ventilation pipe, and air injection pipe to dry the hydraulic steel pipe assembly;

[0024] Eighth: After the hydraulic steel pipe assembly is dried, turn off the blower and motor, turn the rotating stud, adjust the position of the adjustment plate, remove the dried hydraulic steel pipe assembly from between the bearing cylinder and the retaining cylinder, clean the impurities generated by the hydraulic steel pipe assembly during the pickling and drying process, and cut off the power supply.

[0025] Beneficial effects:

[0026] 1. The acid liquid is sprayed into the fixed cylinder through the liquid infusion tube, liquid passing tube and liquid spraying tube, flows into the bearing cylinder through the through hole on the bearing cylinder, and enters the hydraulic steel pipe assembly. The acid liquid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly, and the inner wall of the hydraulic steel pipe assembly is pickled to enhance the pickling quality of the hydraulic steel pipe assembly;

[0027] 2. The motor drives the transmission shaft and the driving wheel installed on the transmission shaft to rotate, and the driving wheel drives the driven wheel and the fixed cylinder to rotate through the belt. The driven wheel on the fixed cylinder drives the adjacent fixed cylinder and the bearing cylinder to rotate through the belt, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder to rotate, so that the surface of the hydraulic steel pipe assembly is fully in contact with the acid liquid, and the surface of the hydraulic steel pipe assembly is fully pickled;

[0028] 3. Hydraulic cylinder 2 and piston rod 2 push the cleaning brush plate to move, so that the cleaning brush groove at the bottom of the cleaning brush plate brushes the surface of the hydraulic steel pipe assembly. The hydraulic steel pipe assembly rotates in the cleaning brush groove. The cleaning brush layer in the cleaning brush groove can fully clean the surface of the hydraulic steel pipe assembly, remove impurities on the surface of the hydraulic steel pipe assembly, and improve the pickling quality of the hydraulic steel pipe assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention.

[0030] Figure 2 It is a partial structural diagram of the present invention, illustrating the connection structure between the bearing plate and the adjustment plate.

[0031] Figure 3 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the adjustment plate and the adjustment stud.

[0032] Figure 4 It is a partial structural diagram of the present invention, illustrating the connection structure between the fixing cylinders.

[0033] Figure 5 It is a partial structural diagram of the present invention, illustrating the connection structure between the fixing tube and the bearing tube.

[0034] Figure 6 It is a partial structural diagram of the present invention, illustrating the connection structure between the bearing tube and the clamping plate.

[0035] Figure 7 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the retaining cylinder and the fixing plate.

[0036] Figure 8 It is a partial structural diagram of the present invention, illustrating the connection structure between the retaining cylinder and the liquid drain groove.

[0037] Fig. 9 It is a partial structural diagram of the present invention, illustrating the connection structure between the cleaning plate and the cleaning groove.

[0038] Fig.10 It is another schematic diagram of the structure of implementation of the present invention.

[0039] In the figure: 1. Acid tank, 2. Hydraulic cylinder 1, 3. Loading plate, 4. Column, 5. Top plate, 6. Infusion pump, 7. Suction tube, 8. Infusion tube, 9. Liquid tube, 10. Blower, 11. Air pipe, 12. Ventilation pipe, 13. Piston rod 1, 14. Adjustment plate, 15. Fixed cylinder, 16. Loading cylinder, 17. Stop cylinder, 18. Fixed nut, 19. Fixed groove, 20. Limiting groove, 21. Adjustment stud, 22. Handle, 23. Block, 24. Connecting ring, 25. Through groove, 2 6. Connecting plate, 27. Slot, 28. Limit rod, 29. Auxiliary wheel, 30. Bearing, 31. Spray pipe, 32. Driven wheel, 33. Motor, 34. Transmission shaft, 35. Driving wheel, 36. Belt, 37. Mounting ring, 38. Through hole, 39. Card, 40. Fixed plate, 41. Drain trough, 42. Spray pipe, 43. Hydraulic cylinder 2, 44. Piston rod 2, 45. Brush plate, 46. Brush groove, 47. Brush layer, 48. Blow pipe, 49. Fan, 50. Stirring rod. DETAILED DESCRIPTION

[0040] The present invention will be described in more detail below with reference to the accompanying drawings.

[0041] Embodiment 1:

[0042] As attached Figure 1-9As shown: a hydraulic steel pipe assembly pickling and drying device, including an acid liquid tank 1, a hydraulic cylinder 2, and a bearing structure. The side wall of the acid liquid tank 1 is provided with an infusion structure, a column 4 is provided on the top of the acid liquid tank 1, a top plate 5 is provided on the top of the column 4, and an air supply structure is provided on the top plate 5. The hydraulic cylinder 2 is provided on the top plate 5, and a piston rod 13 is provided on the hydraulic cylinder 2. The bearing structure includes a bearing plate 3, an adjustment plate 14, a fixing cylinder 15, a bearing cylinder 16, and a blocking cylinder 17. The bearing plate 3 is connected to the hydraulic cylinder 2, and a push-pull structure is provided on one side of the bearing plate 3, and a push-pull structure is provided on the bearing plate A fixing plate 40 is arranged at the bottom, the adjustment plate 14 is movably arranged on the bearing plate 3, and the adjustment plate 14 is movably connected with the push-pull structure. A connecting plate 26 is arranged at the bottom of the adjustment plate 14, and a bearing 30 is arranged on the connecting plate 26. The fixing cylinder 15 passes through the bearing 30, and one end of the fixing cylinder 15 is connected with the infusion structure. A mounting ring 37 is arranged on the bearing cylinder 16, and the mounting ring 37 is installed on the fixing cylinder 15. The blocking cylinder 17 is arranged on the fixing plate 40, and an air jet pipe 42 is arranged on the fixing plate 40 inside the blocking cylinder 17, and the air jet pipe 42 is connected with the air delivery structure.

[0043] Among them, the infusion structure includes an infusion pump 6 and a liquid passage 9. The infusion pump 6 is arranged on the outer wall of the acid liquid box 1. A suction tube 7 and an infusion tube 8 are arranged on the infusion pump 6, and the suction tube 7 is connected to the acid liquid box 1. The liquid passage 9 is arranged on the infusion tube 8. A spray tube 31 is arranged on the liquid passage 9, and the spray tube 31 is inserted into one end of the fixed tube 15.

[0044] Among them, the air supply structure includes a blower 10 and a ventilation pipe 12. The blower 10 is arranged on the top plate 5. An air supply pipe 11 is arranged on the blower 10. One side of the ventilation pipe 12 is connected to the air supply pipe 11, and the other side of the air supply pipe 11 is connected to the air injection pipe 42.

[0045] Among them, a fixing groove 19 is provided on the bearing plate 3, a limiting groove 20 is provided on the inner wall of the fixing groove 19, the adjustment plate 14 is placed in the fixing groove 19, a connecting ring 24 movably connected with a push-pull structure is provided on one side of the adjustment plate 14, a driving structure connected with the fixing cylinder 15 is provided on the adjustment plate 14, and a limiting rod 28 is provided on the outer walls on both sides of the adjustment plate 14. The limiting rod 28 is inserted into the limiting groove 20, and an auxiliary wheel 29 is provided on the limiting rod 28.

[0046] Among them, the push-pull structure includes a fixing nut 18 and an adjusting stud 21. The fixing nut 18 is arranged on the side wall of the bearing plate 3. The adjusting stud 21 is inserted into the fixing nut 18. A handle 22 is arranged on one end of the adjusting stud 21, and a clamping block 23 is arranged on the other end. A clamping groove 27 is arranged on the inner wall of the connecting ring 24, and the clamping block 23 is inserted into the clamping groove 27.

[0047] Among them, the driving structure includes a motor 33, which is arranged on the adjustment plate 14, and a transmission shaft 34 is arranged on the motor 33, and a driving wheel 35 is arranged on the transmission shaft 34, and a driven wheel 32 is arranged on the fixed cylinder 15, and the driven wheel 32 is connected to the driving wheel 35 through a belt 36, and a through groove 25 for transmission of the belt 36 is arranged on the adjustment plate 14, and the driven wheels 32 on two adjacent fixed cylinders 15 are connected to the driven wheels 32 through the belt 36, and the mounting ring 37 on the bearing cylinder 16 is arranged as a structure that can be replaced from the fixed cylinder 15, and the bearing cylinder 16 and the blocking cylinder 17 are arranged as a one-to-one corresponding structure, a through hole 38 is arranged at the bottom of the bearing cylinder 16, and a clamping plate 39 is arranged on the inner side wall of the bearing cylinder 16, and the blocking cylinder 17 is arranged as an arc structure with an opening at the top, a drainage groove 41 is arranged at the bottom of the blocking cylinder 17, and a cleaning structure is arranged on the fixed plate 40.

[0048] Among them, the cleaning structure includes a hydraulic cylinder 43 and a cleaning plate 45. The hydraulic cylinder 43 is arranged on the fixed plate 40. A piston rod 44 is arranged on the hydraulic cylinder 43. The cleaning plate 45 is connected to the piston rod 44. A cleaning groove 46 is arranged at the bottom of the cleaning plate 45. The cleaning groove 46 and the retaining cylinder 17 are arranged as a one-to-one corresponding structure, and a cleaning layer 47 is arranged on the inner wall of the cleaning groove 46.

[0049] An operating method for a hydraulic steel pipe assembly pickling and drying device, the operating method comprising the following steps:

[0050] First: Check whether the circuit of the hydraulic steel pipe assembly pickling and drying device is normal, whether the hydraulic cylinder 1 2, the infusion pump 6, the blower 10, the motor 33, and the hydraulic cylinder 2 43 can work normally;

[0051] Second: according to the outer diameter of the hydraulic steel pipe assembly to be pickled, select the corresponding bearing tube 16, install the connecting ring 24 on the bearing tube 16 on the fixing tube 15, place one end of the hydraulic steel pipe assembly in the bearing tube 16, rotate the adjusting stud 21 by the handle 22, and one end of the adjusting stud 21 drives the connecting ring 24 and the adjusting plate 14 to move in the fixing groove 19, driving the bearing tube 16 and one end of the hydraulic steel pipe assembly in the bearing tube 16 to move, so that the other end of the hydraulic steel pipe assembly is placed in the retaining tube 17;

[0052] Third: start the motor 33, the motor 33 drives the transmission shaft 34 and the driving wheel 35 installed on the transmission shaft 34 to rotate, the driving wheel 35 drives the driven wheel 32 and the fixed cylinder 15 to rotate through the belt 36, the driven wheel 32 on the fixed cylinder 15 drives the adjacent fixed cylinder 15 and the bearing cylinder 16 to rotate through the belt 36, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder 16 to rotate;

[0053] Fourth: start the infusion pump 6, the infusion pump 6 extracts the acid in the acid tank 1 through the suction tube 7, the acid passes through the infusion tube 8, the liquid pipe 9, and the spray pipe 31 to the fixed cylinder 15, passes through the through hole 38 on the bearing cylinder 16, flows into the bearing cylinder 16, enters the hydraulic steel pipe assembly, and pickles the inner wall of the hydraulic steel pipe assembly. The acid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly, and flows back to the acid tank 1 through the drainage groove 41 at the bottom of the retaining cylinder 17;

[0054] Fifth: start the hydraulic cylinder 2, the hydraulic cylinder 2 and the piston rod 13 push the bearing plate 3 downward, the bearing plate 3 drives the bearing cylinder 16, the retaining cylinder 17 and the hydraulic steel pipe assembly between the bearing cylinder 16 and the retaining cylinder 17 to descend, so that the hydraulic steel pipe assembly enters the acid in the acid tank 1, and the outer surface of the hydraulic steel pipe assembly is pickled;

[0055] Sixth: start the second hydraulic cylinder 43, the second hydraulic cylinder 43 and the second piston rod 44 push the cleaning plate 45 to move, so that the cleaning groove 46 at the bottom of the cleaning plate 45 brushes the surface of the hydraulic steel pipe assembly, and the hydraulic steel pipe assembly rotates in the cleaning groove 46, and the cleaning groove 46 can fully clean the surface of the hydraulic steel pipe assembly;

[0056] Seventh: After the pickling of the hydraulic steel pipe assembly is completed, the hydraulic steel pipe assembly is removed from the acid tank 1, the hydraulic cylinder 1 2, the hydraulic cylinder 2 43, and the infusion pump 6 are turned off, and the blower 10 is started. The blower 10 blows air into the hydraulic steel pipe assembly through the air delivery pipe 11, the ventilation pipe 12, and the air injection pipe 42 to dry the hydraulic steel pipe assembly;

[0057] Eighth: After the hydraulic steel pipe assembly is dried, turn off the blower 10 and the motor 33, turn the rotating stud, adjust the position of the adjustment plate 14, remove the dried hydraulic steel pipe assembly from between the bearing cylinder 16 and the retaining cylinder 17, clean the impurities generated by the hydraulic steel pipe assembly during the pickling and drying process, and cut off the power supply.

[0058] Embodiment 2:

[0059] Further explanation will be given based on the first embodiment. Fig.10 As shown: a blowing pipe 48 is arranged on the bearing plate 3, and a fan 49 is arranged in the blowing pipe 48. The fan 49 can accelerate the air flow under the bearing plate 3, so as to facilitate the drying of the hydraulic steel pipe assembly after pickling, thereby improving the drying efficiency and drying effect of the hydraulic steel pipe assembly.

[0060] A stirring rod 50 is provided at the bottom end of the cleaning plate 45. The cleaning plate 45 moves back and forth under the action of the hydraulic cylinder 2 43 and the piston rod 2 44. The cleaning plate 45 drives the stirring rod 50 to move back and forth in the acid tank 1, so that the stirring rod 50 stirs the acid in the acid tank 1 to avoid precipitation of the acid in the acid tank 1, improve the uniformity of the acid, and thus enhance the pickling quality of the hydraulic steel pipe assembly.

[0061] Working principle: According to the outer diameter of the hydraulic steel pipe assembly to be pickled, the corresponding bearing cylinder 16 is selected, the connecting ring 24 on the bearing cylinder 16 is installed on the fixed cylinder 15, and one end of the hydraulic steel pipe assembly is placed in the bearing cylinder 16. The adjustment stud 21 is rotated by the handle 22. One end of the adjustment stud 21 drives the connecting ring 24 and the adjustment plate 14 to move in the fixed groove 19, drives the bearing cylinder 16 and one end of the hydraulic steel pipe assembly in the bearing cylinder 16 to move, and puts the other end of the hydraulic steel pipe assembly into the retaining cylinder 17, starts the motor 33, and the motor 33 drives the transmission shaft 34 and the driving wheel 35 installed on the transmission shaft 34 to rotate. The driving wheel 35 is driven by the belt The belt 36 drives the driven wheel 32 and the fixed cylinder 15 to rotate. The driven wheel 32 on the fixed cylinder 15 drives the adjacent fixed cylinder 15 and the bearing cylinder 16 to rotate through the belt 36, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder 16 to rotate, and starting the infusion pump 6. The infusion pump 6 extracts the acid in the acid tank 1 through the suction tube 7. The acid passes through the infusion tube 8, the liquid pipe 9, and the spray tube 31 to spray into the fixed cylinder 15, passes through the through hole 38 on the bearing cylinder 16, flows into the bearing cylinder 16, and enters the hydraulic steel pipe assembly. The inner wall of the hydraulic steel pipe assembly is pickled, and the acid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly and passes through the retaining cylinder 1 The drain groove 41 at the bottom of the hydraulic cylinder 7 flows back into the acid tank 1, and the hydraulic cylinder 2 is started. The hydraulic cylinder 2 and the piston rod 13 push the bearing plate 3 downward, and the bearing plate 3 drives the bearing cylinder 16, the retaining cylinder 17 and the hydraulic steel pipe assembly between the bearing cylinder 16 and the retaining cylinder 17 to descend, so that the hydraulic steel pipe assembly enters the acid in the acid tank 1, and the outer surface of the hydraulic steel pipe assembly is pickled. The hydraulic cylinder 2 43 is started. The hydraulic cylinder 2 43 and the piston rod 2 44 push the brush plate 45 to move, so that the brush groove 46 at the bottom of the brush plate 45 brushes the surface of the hydraulic steel pipe assembly. The hydraulic steel pipe assembly rotates in the brush groove 46, and the brush groove 46 can fill the surface of the hydraulic steel pipe assembly with acid. Perform a brushing treatment to remove impurities on the surface of the hydraulic steel pipe assembly. After the pickling of the hydraulic steel pipe assembly is completed, remove the hydraulic steel pipe assembly from the acid tank 1, close the hydraulic cylinder 1 2, the hydraulic cylinder 2 43, and the infusion pump 6, start the blower 10, and the blower 10 blows air into the hydraulic steel pipe assembly through the air supply pipe 11, the ventilation pipe 12, and the air injection pipe 42 to dry the hydraulic steel pipe assembly. Turn the adjusting stud 21 to adjust the position of the adjusting plate 14, remove the dried hydraulic steel pipe assembly from between the bearing cylinder 16 and the retaining cylinder 17, put the hydraulic steel pipe assembly that has not been pickled and dried between the bearing cylinder 16 and the retaining cylinder 17, and continue the pickling and drying treatment.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0063] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a point connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0064] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

Claims

1. A hydraulic steel pipe assembly pickling and drying device, comprising an acid tank, a hydraulic cylinder, and a bearing structure, characterized in that: The side wall of the acid liquid tank is provided with an infusion structure, a column is provided on the top of the acid liquid tank, a top plate is provided on the top of the column, and an air supply structure is provided on the top plate, the hydraulic cylinder 1 is provided on the top plate, and a piston rod 1 is provided on the hydraulic cylinder 1, the bearing structure comprises a bearing plate, an adjustment plate, a fixed cylinder, a bearing cylinder, and a retaining cylinder, the bearing plate is connected with the hydraulic cylinder 1, a push-pull structure is provided on one side of the bearing plate, and a fixed plate is provided at the bottom of the bearing plate, the adjustment plate is movably provided on the bearing plate, the adjustment plate is movably connected with the push-pull structure, a connecting plate is provided at the bottom of the adjusting plate, and a bearing is provided on the connecting plate, the fixing cylinder passes through the bearing, and one end of the fixing cylinder is connected with the infusion structure, a mounting ring is provided on the bearing cylinder, and the mounting ring is installed on the fixing cylinder, the retaining cylinder is provided on the fixing plate, and an air spray pipe is provided on the fixing plate inside the retaining cylinder, and the air spray pipe is connected with the air supply structure.

2. The hydraulic steel pipe assembly pickling and drying device according to claim 1, characterized in that: The infusion structure includes an infusion pump and a liquid passage tube. The infusion pump is arranged on the outer wall of the acid liquid box. The infusion pump is provided with a suction tube and an infusion tube, and the suction tube is connected to the acid liquid box. The liquid passage tube is arranged on the infusion tube, and a spray tube is arranged on the liquid passage tube, and the spray tube is inserted into one end of the fixed tube.

3. The hydraulic steel pipe assembly pickling and drying device according to claim 1, characterized in that: The air supply structure includes a blower and a ventilation pipe. The blower is arranged on the top plate, and an air supply pipe is arranged on the blower. One side of the ventilation pipe is connected to the air supply pipe, and the other side of the air supply pipe is connected to the air injection pipe.

4. The hydraulic steel pipe assembly pickling and drying device according to claim 1, characterized in that: A fixing groove is arranged on the bearing plate, a limiting groove is arranged on the inner side wall of the fixing groove, the adjustment plate is placed in the fixing groove, a connecting ring movably connected to the push-pull structure is arranged on one side of the adjustment plate, a driving structure connected to the fixing cylinder is arranged on the adjustment plate, limiting rods are arranged on the outer walls on opposite sides of the adjustment plate, the limiting rods are inserted into the limiting grooves, and auxiliary wheels are arranged on the limiting rods.

5. The hydraulic steel pipe assembly pickling and drying device according to claim 4, characterized in that: The push-pull structure includes a fixing nut and an adjusting stud. The fixing nut is arranged on the side wall of the bearing plate. The adjusting stud penetrates the fixing nut. A handle is arranged on one end of the adjusting stud and a clamping block is arranged on the other end. A clamping groove is arranged on the inner wall of the connecting ring, and the clamping block is inserted into the clamping groove.

6. The hydraulic steel pipe assembly pickling and drying device according to claim 4, characterized in that: The driving structure includes a motor, which is arranged on an adjustment plate, a transmission shaft is arranged on the motor, a driving wheel is arranged on the transmission shaft, a driven wheel is arranged on the fixed cylinder, the driven wheel is connected to the driving wheel through a belt, and a through groove for belt transmission is arranged on the adjustment plate, and the driven wheels on the fixed cylinder are connected to each other through a belt.

7. The hydraulic steel pipe assembly pickling and drying device according to claim 1, characterized in that: The mounting ring on the bearing tube is configured to be replaceable from the fixing tube, the bearing tube and the retaining tube are configured to be one-to-one corresponding structures, a through hole is provided at the bottom of the bearing tube, and a clamping plate is provided on the inner wall of the bearing tube.

8. The hydraulic steel pipe assembly pickling and drying device according to claim 7, characterized in that: The retaining cylinder is arranged as an arc-shaped structure with an opening at the top, a liquid drainage groove is arranged at the bottom of the retaining cylinder, and a cleaning brush structure is arranged on the fixing plate.

9. The hydraulic steel pipe assembly pickling and drying device according to claim 8, characterized in that: The brush cleaning structure includes two hydraulic cylinders and a brush cleaning plate. The two hydraulic cylinders are arranged on a fixed plate. Two piston rods are arranged on the two hydraulic cylinders. The brush cleaning plate is connected to the two piston rods. A brush cleaning groove is arranged at the bottom of the brush cleaning plate. The brush cleaning groove and the retaining cylinder are arranged in a one-to-one corresponding structure, and a brush cleaning layer is arranged on the inner wall of the brush cleaning groove.

10. An operating method applicable to the hydraulic steel pipe assembly pickling and drying device as claimed in claim 1, characterized in that: The operation method comprises the following steps: First: Check whether the circuit of the hydraulic steel pipe assembly pickling and drying device is normal, and whether the hydraulic cylinder 1, infusion pump, blower, motor and hydraulic cylinder 2 can work normally; Second: According to the outer diameter of the hydraulic steel pipe assembly to be pickled, select the corresponding bearing cylinder, install the connecting ring on the bearing cylinder on the fixed cylinder, place one end of the hydraulic steel pipe assembly in the bearing cylinder, turn the adjustment stud by the handle, and adjust one end of the stud to drive the connecting ring and the adjustment plate to move in the fixed groove, drive the bearing cylinder and one end of the hydraulic steel pipe assembly in the bearing cylinder to move, and put the other end of the hydraulic steel pipe assembly into the retaining cylinder; Third: Start the motor, the motor drives the transmission shaft and the driving wheel installed on the transmission shaft to rotate, the driving wheel drives the driven wheel and the fixed cylinder to rotate through the belt, the driven wheel on the fixed cylinder drives the adjacent fixed cylinder and the bearing cylinder to rotate through the belt, thereby driving the hydraulic steel pipe assembly placed in the bearing cylinder to rotate; Fourth: Start the infusion pump, which extracts the acid in the acid tank through the suction tube. The acid flows into the fixed cylinder through the infusion tube, the liquid pipe, and the spray tube, flows into the bearing cylinder through the through hole on the bearing cylinder, and enters the hydraulic steel pipe assembly to pickle the inner wall of the hydraulic steel pipe assembly. The acid in the hydraulic steel pipe assembly flows out through the other end of the hydraulic steel pipe assembly and flows back to the acid tank through the drainage groove at the bottom of the retaining cylinder. Fifth: start hydraulic cylinder 1, hydraulic cylinder 1 and piston rod 1 push the bearing plate downward, the bearing plate drives the bearing cylinder, the retaining cylinder and the hydraulic steel pipe assembly between the bearing cylinder and the retaining cylinder to descend, so that the hydraulic steel pipe assembly enters the acid in the acid tank, and the outer surface of the hydraulic steel pipe assembly is pickled; Sixth: Start the second hydraulic cylinder. The second hydraulic cylinder and the second piston rod push the cleaning brush plate to move, so that the cleaning brush groove at the bottom of the cleaning brush plate brushes the surface of the hydraulic steel pipe assembly. The hydraulic steel pipe assembly rotates in the cleaning brush groove, and the cleaning brush groove can fully clean the surface of the hydraulic steel pipe assembly. Seventh: After the pickling of the hydraulic steel pipe assembly is completed, the hydraulic steel pipe assembly is removed from the acid tank, the hydraulic cylinder 1, hydraulic cylinder 2, and infusion pump are turned off, and the blower is started. The blower blows air into the hydraulic steel pipe assembly through the air supply pipe, ventilation pipe, and air injection pipe to dry the hydraulic steel pipe assembly; Eighth: After the hydraulic steel pipe assembly is dried, turn off the blower and motor, turn the rotating stud, adjust the position of the adjustment plate, remove the dried hydraulic steel pipe assembly from between the bearing cylinder and the retaining cylinder, clean the impurities generated by the hydraulic steel pipe assembly during the pickling and drying process, and cut off the power supply.

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