CN114660088A - Inner wall detection device for liquid expansion forming pipeline and use method thereof - Google Patents

Inner wall detection device for liquid expansion forming pipeline and use method thereof Download PDF

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CN114660088A
CN114660088A CN202210569589.1A CN202210569589A CN114660088A CN 114660088 A CN114660088 A CN 114660088A CN 202210569589 A CN202210569589 A CN 202210569589A CN 114660088 A CN114660088 A CN 114660088A
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wall
water
fixedly connected
shaped pipe
detection device
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CN114660088B (en
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李培力
隋建
洪源隆
邓发明
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China National Heavy Machinery Research Institute Co Ltd
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China National Heavy Machinery Research Institute Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9548Scanning the interior of a cylinder

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The invention belongs to the technical field of liquid expansion forming detection, and particularly relates to an inner wall detection device for a liquid expansion forming pipeline and a using method thereof. The invention can detect the inner walls of various pipelines instead of being limited to the detection of straight pipes, improves the application range of the detection device, is convenient for operators to judge the quality degree of the pipelines, avoids the problem that the traditional detection device can scratch the inner walls of the pipelines to increase the proportion of defective products of the pipelines, realizes non-damage detection, can automatically clean dust and impurities attached to the inner walls of the pipelines while detecting the inner walls of the pipelines, reduces the working procedures of cleaning the pipelines, can visually display the positions of the grooves in the pipelines, and is convenient for the operators to judge whether the positions of the grooves are convenient to repair.

Description

Inner wall detection device for liquid expansion forming pipeline and use method thereof
Technical Field
The invention belongs to the technical field of liquid expansion forming, and particularly relates to an inner wall detection device for a liquid expansion forming pipeline and a using method thereof.
Background
A liquid expansion forming process adopts a metal pipe as a prefabricated part, the metal pipe is arranged in a mould, two ends of the metal pipe are sealed, then high-pressure liquid is filled in the pipe, the wall of the metal pipe is pressed and expanded to be formed in the mould, the steel pipe is a material commonly used in liquid expansion forming, when the steel pipe is produced, grooves with large sizes and small sizes may exist in the steel pipe due to the limitation of production equipment, when the steel pipe with more grooves is used for liquid expansion forming, the inner wall of the groove is weak, the problem that the position of the groove of the inner wall of the steel pipe is broken during liquid expansion is likely to be caused, and therefore before the steel pipe is subjected to liquid expansion forming, the inner wall of the steel pipe needs to be detected.
For example, the patent publication No. CN208419941U discloses an automatic flaw detection device for steel pipe production, which can recover oil, and realizes automatic positioning and automatic detection of steel pipes, thereby improving detection efficiency and detection quality, but when the device is used, a detection ball on a moving rod needs to be inserted into the steel pipe through a moving mechanism for detection, the detection ball may touch the inner wall of the pipeline and cannot stop moving in time in the moving process of the detection ball, the detection ball easily scratches the inner wall of the pipeline, thereby improving the proportion of defective products in the pipeline, and because the U-shaped pipe has a bent part relative to the straight pipe, the detection device can only detect the straight pipe and cannot detect various U-shaped pipes.
To this end, we propose an inner wall detection device for a liquid expansion forming pipeline and a using method thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides an inner wall detection device for a liquid expansion forming pipeline and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: an inner wall detection device for a liquid expansion forming pipeline and a using method thereof comprise a bottom plate, wherein a vertical plate is fixedly connected to the upper side wall of the bottom plate, a working box is fixedly connected to the left side wall of the vertical plate, a U-shaped pipe is clamped by the inner wall of the working box through clamping equipment, a cylinder is sleeved at each of the left end and the right end of the U-shaped pipe and is fixed to the outer side of the U-shaped pipe through a positioning mechanism, two connecting plates are symmetrically and fixedly connected to the upper side wall of the cylinder, the opposite ends of the two connecting plates are fixedly connected with the same empty box, a sealing gasket is fixedly connected to the inner wall of the empty box, a water tank is fixedly connected to the upper side wall of the bottom plate, a water pump is arranged on the upper side wall of the water tank, the output end of the water pump is communicated with a water outlet pipe, the upper end of the water outlet pipe penetrates through the empty box on the left side and is positioned in the U-shaped pipe, and the side wall of the empty box on the right side is communicated with a water return pipe, the utility model discloses a solar water heater, including U type pipe, conductor rail, U type pipe, return water pipe, water tank, U type intraductal transparent hose, the inner wall fixedly connected with gas metering pump of empty case, the output of gas metering pump is located transparent hose's left end mouth, is located the right side the fixed intercommunication of lateral wall of empty case has the outlet duct, the lower extreme of outlet duct is located transparent hose's right-hand member mouth, be equipped with the conductor rail in the transparent hose, the outer sliding connection of conductor rail has a slide cartridge, the slide cartridge is equipped with the sensitization mechanism outward, the right-hand member of conductor rail stretches out U type pipe and electric connection has spiral coil through the outlet duct, be equipped with the magnetic ring in the spiral coil, the magnetic ring rotates through the link and is connected with places the board, place the board and pass through leg joint spiral coil.
In the above-mentioned inner wall detection device for liquid inflation shaping pipeline and application method thereof, the sensitization mechanism includes a plurality of annular arrangement photodiodes outside the slide cartridge, the fixed cover in the outside of slide cartridge is equipped with the sensitization power generation ring, be equipped with a plurality of lamp pearls that are the annular arrangement in the conductor rail, the lateral wall fixedly connected with rubber pad of slide cartridge.
In foretell an inner wall detection device for liquid inflation shaping pipeline and application method thereof, centre gripping equipment is including rotating the threaded rod of connection in the work box, the threaded rod left and right sides screw is turned to opposite, the back lateral wall fixedly connected with motor of work box, the output and the threaded rod fixed connection of motor, the pole wall thread bush of threaded rod is equipped with two screw thread section of thick bamboo, two the equal fixedly connected with deflector of lateral wall of screw thread section of thick bamboo, the deflector stretches out the lateral wall fixedly connected with grip block of direction mouth, the lateral wall of grip block is connected with the grip slipper through the elastic component.
In the above inner wall detection device for a liquid expansion forming pipeline and the use method thereof, the positioning mechanism comprises two electromagnetic plates located in a cylinder, two placing grooves are formed in the inner wall of the cylinder, permanent magnetic plates are fixedly connected to the inner walls of the placing grooves through two springs, and positioning friction blocks are fixedly connected to the side walls of the permanent magnetic plates through support plates.
In the above inner wall detection device for a liquid expansion forming pipeline and the use method thereof, the outer wall of the transparent hose is fixedly sleeved with the mounting ring, and the outer wall of the mounting ring is connected with the guide wheel through the elastic member.
In the above inner wall detection device for a liquid expansion forming pipeline and the use method thereof, two transverse pipes are fixedly communicated with the air outlet end of the gas metering pump, and the transverse pipes are positioned outside the transparent hose.
In the inner wall detection device for the liquid expansion forming pipeline and the use method thereof, the outer side wall of the transparent hose is fixedly sleeved with the plurality of net supports, the outer side of the right end of the transparent hose is fixedly sleeved with the sealing sleeve, the left side and the right side of the sealing sleeve are both provided with the water leakage holes, the inner wall of the sealing sleeve is hinged with the two metal sealing plates, and the inner wall of the sealing sleeve is fixedly connected with the two magnetic plates.
In the above inner wall detection device for the liquid expansion forming pipeline and the use method thereof, the two sides of the permanent magnet plate are fixedly connected with the stabilizing plates, and the inner wall of the placing groove is provided with two stabilizing grooves.
A method of using an inner wall inspection device for a liquid expanded formed pipe, the method comprising the steps of:
s1, clamping and fixing the U-shaped pipe by using clamping equipment;
s2, inserting one end of the transparent hose 15 into the U-shaped pipe, inserting the upper end of the water outlet pipe into the left port of the U-shaped pipe, starting the water pump, driving the sealing sleeve to move downwards by water flow, and keeping the water surfaces in the left end and the right end of the U-shaped pipe on the same horizontal plane when the sealing sleeve penetrates through the bent part of the U-shaped pipe, so as to control the sealing sleeve to move upwards to a proper position;
s3, stopping water injection after the conductor rail extends out of the U-shaped pipe to a proper position, respectively sleeving the two cylinders outside the U-shaped pipe, and then changing the flow direction of external current led into the electromagnetic plate, so that the magnetism of the electromagnetic plate is changed, the permanent magnetic plate moves due to the repulsion of the same poles, and the cylinders are fixed outside the U-shaped pipe by the permanent magnetic plate through the positioning friction blocks;
s4, respectively inserting the air outlet end and the air outlet pipe of the gas metering pump into two ends of a transparent hose, and enabling the right end of the conductive rail to penetrate through the air outlet pipe and to be communicated with the spiral coil;
s5, turning on a lamp bead and a gas metering pump to work, wherein gas blown out by a gas metering pump enters a transparent hose and the hose, the gas pushes a sliding cylinder and water to move, the water is discharged when the U-shaped pipe is detected, the lamp bead emits light in the transparent hose, a reflecting surface is formed between the water and the inner wall of the U-shaped pipe, the reflecting surface can reflect light, a photosensitive power generation ring generates power when being irradiated by light, P-type silicon and N-type silicon are arranged in the photosensitive power generation ring, photons can excite electrons from covalent bonds in the P-type silicon and the N-type silicon to generate electron-hole pairs, the electrons and the holes near an interface layer are separated from each other under the electric field action of space charges before being compounded, the electrons move to an N region with positive charges and the holes to a P region with negative charges, and generate an outward measurable voltage between the P region and the N region through the charge separation of the interface layer, the inner groove of the pipeline can be similar to a concave mirror after being filled with water, so that light is concentrated, the stronger the illumination intensity of the photodiode is, the weaker the resistance is, the current flows to the spiral coil along the conductive rail, the current can generate a magnetic field when passing through the spiral coil, and the magnetic field can enable the magnetic ring to rotate to a certain angle.
Compared with the prior art, the inner wall detection device for the liquid expansion forming pipeline and the using method thereof have the advantages that:
1. through the bottom plate that sets up, the riser, the work box, centre gripping equipment, the U type pipe, the drum, positioning mechanism, the connecting plate, empty box, sealed pad, the water tank, a water pump, the outlet pipe, the wet return, transparent hose, the gas metering pump, the outlet duct, the conductor rail, the slide cartridge, photosensitive mechanism, helical coil, the magnetic ring, when the recess to pipeline inner wall is examined to needs, stretch out transparent hose in the pipeline, then to the water injection in transparent hose, utilize the hosepipe to move transparent hose and remove in the pipeline, transparent hose can be along with rivers pass the flexion of pipeline, thereby can detect the inner wall of each type pipeline, and not only confine the detection in the straight tube, detection device's application range has been improved.
2. Through the sensitization mechanism who sets up, whether pipeline inner wall is fluted can accurate snap judgments, makes things convenient for operating personnel to judge the good and bad degree of pipeline, has avoided traditional detection device can fish tail the inner wall of pipeline, causes the problem that pipeline wastrel proportion improves, realizes not hindering the detection.
3. Through the water tank, water pump, outlet pipe, wet return, transparent hose, gas metering pump, the outlet duct that set up, can be when detecting the pipeline inner wall automatic clearance pipeline inner wall adnexed dust and impurity, reduced the process of pipeline clearance.
4. Through the spiral coil, the magnetic ring that set up, place the board, can audio-visually show the position that the inside recess of pipeline was located out, make things convenient for operating personnel to judge whether convenient the restoration of position that the recess was located.
Drawings
FIG. 1 is a schematic diagram of an example of an inner wall detection device for a liquid expansion forming pipeline and a method for using the same, wherein the detection device is based on a U-shaped pipe;
FIG. 2 is a schematic structural diagram of a clamping device in the device for detecting the inner wall of the liquid expansion forming pipeline and the use method thereof provided by the invention;
FIG. 3 is a schematic structural view of an inner wall detection device for a liquid expansion forming pipeline and a use method thereof, wherein a cylinder is located at the left end of a U-shaped pipe;
FIG. 4 is a schematic structural view of an inner wall detection device for a liquid expansion forming pipeline and a use method thereof, wherein a cylinder is positioned at the right end of a U-shaped pipe;
FIG. 5 is a schematic view of the internal structure of a sealing sleeve in the device for detecting the inner wall of a liquid expansion forming pipeline and the using method thereof provided by the invention;
FIG. 6 is a schematic diagram showing the position relationship between the spiral coil and the magnetic ring in the inner wall detection device for the liquid expansion forming pipeline and the using method thereof provided by the present invention;
FIG. 7 is a schematic view of the installation of the spiral coil and the magnetic ring in the inner wall detection device for the liquid expansion forming pipeline and the use method thereof provided by the invention;
FIG. 8 is a schematic view of the internal structure of a transparent hose used in the apparatus for detecting the internal wall of a liquid expansion forming pipe and the method of using the same according to the present invention;
FIG. 9 is a schematic view showing the positional relationship between a rubber pad and a slide cylinder in the inner wall inspection device for a liquid expansion molded pipe and the method of using the same according to the present invention;
fig. 10 is a schematic diagram of an arrangement of photodiodes in an apparatus for detecting an inner wall of a liquid-filled molded tube and a method for using the same according to the present invention.
In the figure: 1. a base plate; 2. a vertical plate; 3. a work box; 4. a clamping device; 41. a threaded rod; 42. a motor; 43. a threaded barrel; 44. a guide plate; 45. a clamping block; 46. a clamping seat; 5. a U-shaped pipe; 6. a cylinder; 7. a positioning mechanism; 71. an electromagnetic plate; 72. a placement groove; 73. a permanent magnet plate; 74. positioning a friction block; 8. a connecting plate; 9. emptying the box; 10. a gasket; 11. a water tank; 12. a water pump; 13. a water outlet pipe; 14. a water return pipe; 15. a transparent hose; 16. a gas metering pump; 17. an air outlet pipe; 18. a conductive rail; 19. a slide cylinder; 20. a light sensing mechanism; 201. a photodiode; 202. a light sensing power generation loop; 203. a lamp bead; 204. a rubber pad; 21. a helical coil; 22. a magnetic ring; 23. placing the plate; 24. a mounting ring; 25. a guide wheel; 26. a transverse tube; 27. a net support; 28. sealing sleeves; 29. a water leakage hole; 30. a stabilizing slot; 31. a metal sealing plate; 32. a magnetic plate; 33. and a stabilizing plate.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in figures 1-10, a device for detecting the quality of the inner wall of a liquid expansion formed U-shaped pipe 5 comprises a bottom plate 1, wherein a vertical plate 2 is fixedly connected to the upper side wall of the bottom plate 1, a working box 3 is fixedly connected to the left side wall of the vertical plate 2, the inner wall of the working box 3 clamps the U-shaped pipe 5 through a clamping device 4, a cylinder 6 is sleeved at each of the left and right ends of the U-shaped pipe 5, the cylinder 6 is fixed to the outer side of the U-shaped pipe 5 through a positioning mechanism 7, two connecting plates 8 are symmetrically and fixedly connected to the upper side wall of the cylinder 6, the same empty box 9 is fixedly connected to the opposite ends of the two connecting plates 8, a sealing gasket 10 is fixedly connected to the inner wall of the empty box 9, a water tank 11 is fixedly connected to the upper side wall of the bottom plate 1, a water pump 12 is arranged on the upper side wall of the water tank 11, the output end of the water pump 12 is communicated with a water outlet pipe 13, the upper end of the left empty box 9 is positioned in the U-shaped pipe 5, the side wall of the right empty box 9 is communicated with a water return pipe 14, the lower extreme of wet return 14 and the fixed intercommunication of the last lateral wall of water tank 11, transparent hose 15 has been placed in U type pipe 5, the inner wall fixedly connected with gas metering pump 16 of empty case 9, the output of gas metering pump 16 is located transparent hose 15's left port, the fixed intercommunication of lateral wall that is located the empty case 9 of right side has outlet duct 17, the lower extreme of outlet duct 17 is located transparent hose 15's right port, be equipped with conductor rail 18 in the transparent hose 15, conductor rail 18 outer sliding connection has slide cartridge 19, slide cartridge 19 is equipped with light sensing mechanism 20 outward, U type pipe 5 and electric connection have helical coil 21 are stretched out through outlet duct 17 to conductor rail 18's right-hand member, be equipped with magnetic ring 22 in the helical coil 21, magnetic ring 22 rotates through the link and is connected with places board 23, place board 23 through leg joint helical coil 21.
The photosensitive mechanism 20 comprises a plurality of photodiodes 201 which are annularly arranged outside a sliding cylinder 19, a photosensitive power generation ring 202 is fixedly sleeved outside the sliding cylinder 19, a plurality of lamp beads 203 which are annularly arranged are arranged in a conductive rail 18, a rubber pad 204 is fixedly connected to the side wall of the sliding cylinder 19, the lamp beads 203 emit light in the transparent hose 15, a reflecting surface is formed between water and the inner wall of the U-shaped pipe 5, the reflecting surface can reflect light, the photosensitive power generation ring 202 generates power when being irradiated by light, P-type silicon and N-type silicon are arranged in the photosensitive power generation ring 202, photons can excite electrons from covalent bonds in the P-type silicon and the N-type silicon to generate electron-hole pairs, the electrons and the holes near an interface layer are separated from each other through the electric field effect of space charge before being combined, the electrons move to an N region with positive charge and the holes to a P region with negative charge, and are separated through the charge of the interface layer, will produce an outside testable voltage between P district and N district, the pipeline inner groovy can be similar to the concave mirror after being full of water and has the effect of spotlight, make light strengthen, photodiode 201 receives that the strong electric resistance of illumination intensity will weaken more, thereby make the electric current flow to spiral coil 21 along conductor rail 18, the electric current can produce magnetic field when passing through spiral coil 21, magnetic field can make magnetic ring 22 rotate to certain angle, can combine the rotation time of how much and magnetic ring 22 of the gas that lets in U type pipe 5, judge the position of recess in U type pipe 5, make things convenient for operating personnel to judge whether the recess is close to the port, thereby judge whether convenient the restoration.
The threaded rod 41 of connection in the work box 3 is drawn together to centre gripping equipment 4 including rotating, the threaded rod 41 left and right sides screw thread revolves to opposite, the back lateral wall fixedly connected with motor 42 of work box 3, motor 42's output and the 41 fixed connection of threaded rod, the pole wall thread bush of threaded rod 41 is equipped with two screw thread section of thick bamboo 43, the equal fixedly connected with deflector 44 of lateral wall of two screw thread section of thick bamboo 43, deflector 44 stretches out the lateral wall fixedly connected with grip block 45 of direction mouth, the lateral wall of grip block 45 is connected with grip slipper 46 through the elastic component, through the centre gripping equipment 4 that sets up, can be convenient quick the centre gripping U type pipe 5.
The positioning mechanism 7 comprises two electromagnetic plates 71 positioned in the cylinder 6, two placing grooves 72 are formed in the inner wall of the cylinder 6, permanent magnetic plates 73 are fixedly connected to the inner walls of the placing grooves 72 through two springs, and positioning friction blocks 74 are fixedly connected to the side walls of the permanent magnetic plates 73 through supporting plates.
The fixed cover of outer wall of transparent hose 15 is equipped with collar 24, and collar 24's outer wall is connected with leading wheel 25 through the elastic component, can drive transparent hose 15 through leading wheel 25 and remove, has guaranteed the convenience that transparent hose 15 removed.
The fixed intercommunication of the end of giving vent to anger of gas metering pump 16 has two violently pipes 26, violently manages 26 and is located outside transparent hose 15, and when gas metering pump 16 during operation, gaseous can get into transparent hose 15 and hose 5 in, utilizes gaseous smooth section of thick bamboo 19 of promotion and water to remove, when detecting the completion to U type pipe 5, makes the water discharge, can utilize water to clear up the dust of U type pipe 5 inner wall.
The outer side wall of the transparent hose 15 is fixedly sleeved with a plurality of net supports 27, the outer side of the right end of the transparent hose 15 is fixedly sleeved with a sealing sleeve 28, the left side and the right side of the sealing sleeve 28 are both provided with water leakage holes 29, the inner wall of the sealing sleeve 28 is hinged with two metal sealing plates 31, the inner wall of the sealing sleeve 28 is fixedly connected with two magnetic plates 32, the material of the net support 27 is pvc transparent, the transparent hose 15 can be always kept at the central axis position of the U-shaped pipe 5 through the arranged net supports 27, the sealing sleeve 28 can drive the whole transparent hose 15 to move when water is injected into the U-shaped pipe 5, the transparent hose 15 automatically moves in the U-shaped pipe 5, the side wall of the sealing sleeve 28 is hinged with two metal sealing plates 31, when water is injected into the U-shaped pipe 5, the metal sealing plates 31 can be attached to the side wall of the sealing sleeve 28 to seal the water leakage holes 29, after the water injection is completed, the metal sealing plate 31 is rotated downward by gravity, and is attracted by the magnetic plate 32, and when water flows therethrough, the metal sealing plate 31 is not rotated.
The equal fixedly connected with steadying plate 33 in both sides of permanent magnetism board 73, two steadying grooves 30 have been seted up to the inner wall of standing groove 72, through the mutually supporting of steadying plate 33 and steadying groove 30, have increased the stability that permanent magnetism board 73 removed.
The operating principle of the present invention will now be described as follows: one end of a transparent hose 15 is inserted into the U-shaped pipe 5, then the upper end of a water outlet pipe 13 is inserted into the left port of the U-shaped pipe 5, a water pump 12 is started to work, the water pump 12 injects water into the U-shaped pipe 5 through the water outlet pipe 13, the water flow drives a sealing sleeve 28 to move downwards, when the sealing sleeve 28 passes through the bent part of the U-shaped pipe 5, the water surfaces in the left end and the right end of the U-shaped pipe 5 are kept on the same horizontal plane, so that the sealing sleeve 28 is controlled to move upwards to a proper position, after a conductor rail 18 extends out of the U-shaped pipe 5 from the proper position, the water injection is stopped, two cylinders 6 are respectively sleeved outside the U-shaped pipe 5, then the flow direction of external current led into an electromagnetic plate 71 is changed, so that the magnetism and the like polarities of the electromagnetic plate 71 are repelled, so that the permanent magnetic plate 73 moves, the cylinders 6 are fixed outside the U-shaped pipe 5 by utilizing a positioning friction block 74, and simultaneously, an air outlet end of an air metering pump 16 and an air outlet pipe 17 are respectively inserted into two ends of the transparent hose 15, rubber plugs are arranged at two ends of the transparent hose 15, when no object is inserted, the transparent hose 15 can be kept sealed, the sliding cylinder 19 is prevented from moving by itself, the right end of the conductive rail 18 penetrates through the air outlet pipe 17 and contacts with the spiral coil 21, then the lamp bead 203 and the gas metering pump 16 are started to work, gas blown out by the gas metering pump 16 can enter the transparent hose 15 and the hose 5, the sliding cylinder 19 and water are pushed to move by the gas, water is discharged when the U-shaped pipe 5 is detected, dust on the inner wall of the U-shaped pipe 5 can be cleaned by water, the lamp bead 203 emits light in the transparent hose 15, a reflecting surface is formed between the water and the inner wall of the U-shaped pipe 5, the reflecting surface can reflect light, power can be generated when the light is irradiated on the light sensing power generation ring 202, P-type silicon and N-type silicon are arranged in the light sensing power generation ring 202, photons can excite electrons from covalent bonds in the P-type silicon and the N-type silicon, so as to generate electron-hole pairs, the electrons and the holes near the interface layer are separated from each other by the electric field action of space charge before recombination, the electrons move to the N area with positive charge and the holes move to the P area with negative charge, an outward measurable voltage is generated between the P area and the N area by the charge separation of the interface layer, the inner groove of the pipeline has the light-gathering action similar to a concave mirror after being filled with water, so that the light is strengthened, the strong electric resistance of the photodiode 201 is weakened when the illumination intensity is increased, the current flows to the spiral coil 21 along the conductive rail 18, the current generates a magnetic field when passing through the spiral coil 21, the magnetic field can enable the magnetic ring 22 to rotate to a certain angle, the amount of the introduced gas can be calculated in the gas metering pump 16, and the position of the groove in the U-shaped pipe 5 can be judged by combining the amount of the gas introduced into the U-shaped pipe 5 and the rotation time node of the magnetic ring 22, for example, when 10ml of gas is introduced, the magnetic ring 22 rotates by a certain angle, and the sliding cylinder 19 moves by a certain stroke in the pipeline by calculating the amount of the introduced 10ml of gas, so that an operator can conveniently judge whether the groove is close to the port, and judge whether the repair is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The inner wall detection device for the liquid expansion forming pipeline comprises a bottom plate (1) and is characterized in that a vertical plate (2) is fixedly connected to the upper side wall of the bottom plate (1), a working box (3) is fixedly connected to the left side wall of the vertical plate (2), a U-shaped pipe (5) is clamped on the inner wall of the working box (3) through a clamping device (4), cylinders (6) are sleeved at the left end and the right end of the U-shaped pipe (5), the cylinders (6) are fixed to the outer side of the U-shaped pipe (5) through a positioning mechanism (7), two connecting plates (8) are symmetrically and fixedly connected to the upper side wall of the cylinders (6), one opposite ends of the two connecting plates (8) are fixedly connected with the same empty box (9), a sealing gasket (10) is fixedly connected to the inner wall of the empty box (9), and a water tank (11) is fixedly connected to the upper side wall of the bottom plate (1), a water pump (12) is arranged on the upper side wall of the water tank (11), an output end of the water pump (12) is communicated with a water outlet pipe (13), the upper end of the water outlet pipe (13) penetrates through the left empty tank (9) and is positioned in the U-shaped pipe (5), the side wall of the empty tank (9) positioned on the right side is communicated with a water return pipe (14), the lower end of the water return pipe (14) is fixedly communicated with the upper side wall of the water tank (11), a transparent hose (15) is placed in the U-shaped pipe (5), a gas metering pump (16) is fixedly connected to the inner wall of the empty tank (9), the output end of the gas metering pump (16) is positioned in the left end opening of the transparent hose (15), an air outlet pipe (17) is fixedly communicated with the side wall of the empty tank (9) positioned on the right side, the lower end of the air outlet pipe (17) is positioned in the right end opening of the transparent hose (15), a conductive rail (18) is arranged in the transparent hose (15), the conductive rail (18) is connected with a sliding barrel (19) in an outer sliding mode, a photosensitive mechanism (20) is arranged outside the sliding barrel (19), the right end of the conductive rail (18) extends out of the U-shaped pipe (5) through an air outlet pipe (17) and is electrically connected with a spiral coil (21), a magnetic ring (22) is arranged in the spiral coil (21), the magnetic ring (22) is connected with a placing plate (23) in a rotating mode through a connecting frame, and the placing plate (23) is connected with the spiral coil (21) through a support.
2. The inner wall detection device for the liquid expansion forming pipeline is characterized in that the light sensing mechanism (20) comprises a plurality of photodiodes (201) which are annularly arranged outside the sliding cylinder (19), a light sensing power generation ring (202) is fixedly sleeved outside the sliding cylinder (19), a plurality of lamp beads (203) which are annularly arranged are arranged in the power conduction rail (18), and a rubber pad (204) is fixedly connected to the side wall of the sliding cylinder (19).
3. The inner wall detection device for the liquid expansion forming pipeline is characterized in that the clamping device (4) comprises a threaded rod (41) which is rotatably connected in a working box (3), threads on the left side and the right side of the threaded rod (41) are opposite in rotating direction, a motor (42) is fixedly connected to the rear side wall of the working box (3), the output end of the motor (42) is fixedly connected with the threaded rod (41), two threaded cylinders (43) are sleeved on the rod wall of the threaded rod (41), two guide plates (44) are fixedly connected to the side walls of the threaded cylinders (43), the guide plates (44) extend out of a clamping block (45) fixedly connected to the side wall of a guide opening, and the side wall of the clamping block (45) is connected with a clamping seat (46) through an elastic piece.
4. The inner wall detection device for the liquid expansion forming pipeline is characterized in that the positioning mechanism (7) comprises two electromagnetic plates (71) which are positioned in a cylinder (6), two placing grooves (72) are formed in the inner wall of the cylinder (6), a permanent magnet plate (73) is fixedly connected to the inner wall of each placing groove (72) through two springs, and a positioning friction block (74) is fixedly connected to the side wall of each permanent magnet plate (73) through a support plate.
5. The inner wall detection device for the liquid expansion forming pipeline is characterized in that a mounting ring (24) is fixedly sleeved on the outer wall of the transparent hose (15), and a guide wheel (25) is connected to the outer wall of the mounting ring (24) through an elastic piece.
6. The inner wall detection device for the liquid expansion forming pipeline is characterized in that two transverse pipes (26) are fixedly communicated with the air outlet end of the gas metering pump (16), and the transverse pipes (26) are positioned outside the transparent hose (15).
7. The inner wall detection device for the liquid expansion forming pipeline is characterized in that a plurality of net supports (27) are fixedly sleeved on the outer side wall of the transparent hose (15), a sealing sleeve (28) is fixedly sleeved on the outer side of the right end of the transparent hose (15), water leakage holes (29) are formed in the left side and the right side of the sealing sleeve (28), two metal sealing plates (31) are hinged to the inner wall of the sealing sleeve (28), and two magnetic plates (32) are fixedly connected to the inner wall of the sealing sleeve (28).
8. The inner wall detection device for the liquid expansion forming pipeline according to claim 4, characterized in that stabilizing plates (33) are fixedly connected to both sides of the permanent magnet plate (73), and two stabilizing grooves (30) are formed in the inner wall of the placing groove (72).
9. Use of a device for detecting the internal wall of a liquid-expanded formed pipe according to any one of claims 1 to 8, characterized in that it comprises the following steps:
s1, clamping and fixing the U-shaped pipe (5) by using the clamping device (4);
s2, inserting one end of a transparent hose (15) into the U-shaped pipe (5), then inserting the upper end of a water outlet pipe (13) into the left port of the U-shaped pipe (5), then starting a water pump (12), wherein water flow drives a sealing sleeve (28) to move downwards, and when the sealing sleeve (28) penetrates through the bent part of the U-shaped pipe (5), the water surfaces in the left end and the right end of the U-shaped pipe (5) are kept on the same horizontal plane, so that the sealing sleeve (28) is controlled to move upwards to a proper position;
s3, stopping water injection after the conductor rail (18) stretches out of a proper position from the U-shaped pipe (5), respectively sleeving the two cylinders (6) outside the U-shaped pipe (5), and then changing the flow direction of external current led into the electromagnetic plate (71), so that the magnetism of the electromagnetic plate (71) is changed, the permanent magnetic plate (73) moves due to the fact that like poles repel, and the cylinders (6) are fixed outside the U-shaped pipe (5) by the permanent magnetic plate (73) through the positioning friction blocks (74);
s4, inserting the air outlet end of the air metering pump (16) and the air outlet pipe (17) into the two ends of the transparent hose (15) respectively, and the right end of the conductive rail (18) penetrates through the air outlet pipe (17) and is communicated with the spiral coil (21);
s5, turning on a lamp bead (203) and a gas metering pump (16) to work, wherein gas blown out by the gas metering pump (16) enters a transparent hose (15) and the hose, the gas pushes a sliding cylinder (19) and water to move, the water is discharged when the U-shaped pipe (5) is detected, the lamp bead (203) emits light in the transparent hose (15), a reflecting surface is formed between the water and the inner wall of the U-shaped pipe (5), the light is reflected by the reflecting surface, the light-sensitive power generation ring (202) generates power when being irradiated by the light, P-type silicon and N-type silicon are arranged in the light-sensitive power generation ring (202), photons can excite electrons from covalent bonds in the P-type silicon and the N-type silicon to generate electron-hole pairs, the electrons and the holes near an interface layer are separated from each other through the electric field effect of space charges before being combined, the electrons move to the N area with positive charges and the P area with negative charges, through the charge separation of the interface layer, an outward measurable voltage is generated between the P area and the N area, the inner groove of the pipeline can be similar to a concave mirror after being filled with water to have the light condensation effect, so that light is strengthened, the stronger the illumination intensity of the photodiode (201), the weaker the resistance, the current flows to the spiral coil (21) along the conductive rail (18), the current can generate a magnetic field when passing through the spiral coil (21), and the magnetic field can enable the magnetic ring (22) to rotate to a certain angle.
CN202210569589.1A 2022-05-24 2022-05-24 Inner wall detection device for liquid expansion forming pipeline and use method thereof Active CN114660088B (en)

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CN117906538B (en) * 2024-03-19 2024-05-28 山东大业股份有限公司 High strength steel cord flatness detection device

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