CN117589872A - New material boiler pressure vessel inspection device with adjustable detection angle and inspection method - Google Patents
New material boiler pressure vessel inspection device with adjustable detection angle and inspection method Download PDFInfo
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- CN117589872A CN117589872A CN202311645747.8A CN202311645747A CN117589872A CN 117589872 A CN117589872 A CN 117589872A CN 202311645747 A CN202311645747 A CN 202311645747A CN 117589872 A CN117589872 A CN 117589872A
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- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000007689 inspection Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 10
- 239000007788 liquid Substances 0.000 claims description 67
- 238000007789 sealing Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention belongs to the technical field of wave-testing materials, in particular to a new material boiler pressure container inspection device with adjustable detection angle and a detection method, and aims to solve the problems that the existing boiler pressure container cannot be detected through different angles and has single detection function.
Description
Technical Field
The invention relates to the technical field of materials tested by utilizing waves, in particular to a new material boiler pressure vessel testing device with an adjustable detection angle and a detection method.
Background
In the process of producing the boiler pressure vessel, in order to eliminate the potential safety hazard and ensure the quality of the product, a detection device is generally required to detect the boiler pressure vessel.
In the prior art, the defects in the process of detecting the boiler pressure vessel still exist:
in the detection process, the boiler pressure vessel cannot be detected through different angles, so that the detection angle is not comprehensive enough, and the detection accuracy is affected;
when in detection, whether the boiler pressure container is cracked or not is often detected through an ultrasonic flaw detector, and the detection function is single.
Aiming at the problems, the invention provides a new material boiler pressure vessel inspection device with adjustable inspection angle and an inspection method.
Disclosure of Invention
The invention aims to solve the defects that the boiler pressure vessel cannot be detected through different angles and the detection function is single in the prior art, and provides a new material boiler pressure vessel detection device and a new material boiler pressure vessel detection method with adjustable detection angles.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the novel material boiler pressure container inspection device with the adjustable detection angle comprises a portal frame, a boiler pressure container to be detected is arranged below the portal frame, a rotating shaft penetrates through the portal frame, the bottom end of the rotating shaft extends into the boiler pressure container, a rectangular hole is formed in the portal frame, an L-shaped sliding arm is slidably matched in the rectangular hole, the rectangular hole plays a limiting role on the movement of the L-shaped sliding arm, a sliding seat is rotatably connected to the top end of the rotating shaft, and the sliding seat slides on the inner wall of the top of the L-shaped sliding arm through a sliding rail;
the detection structure is arranged on the outer wall of the rotating shaft and is used for detecting cracks and deformation in the boiler pressure vessel;
the adjusting structure is arranged at the top of the portal frame and used for driving the L-shaped sliding arm and the rotating shaft to move downwards in a stepped manner, so that the detecting structure can detect the circumference of the inside of the boiler pressure vessel at different heights;
and the buffer structure is arranged on one side of the top of the portal frame and used for controlling the resetting speed of the L-shaped sliding arm and avoiding the excessively high resetting speed of the L-shaped sliding arm.
In one possible design, the detection structure comprises a fixed ring fixedly sleeved on the outer wall of the rotating shaft, the fixed ring is positioned in the boiler pressure vessel, a sliding ring positioned below the fixed ring is sleeved on the outer wall of the rotating shaft in a sliding manner, a plurality of electric push rods are fixedly arranged at the bottom of the fixed ring through bolts, the output shafts of the electric push rods are fixedly connected with the top of the sliding ring through bolts, an ultrasonic flaw detector and a telescopic rod are respectively fixed at two sides of the rotating shaft through bolts, the ultrasonic flaw detector and the telescopic rod are positioned below the sliding ring, a connecting rod is rotatably connected at the bottom of the sliding ring, a sleeve is fixedly arranged at one end of an output shaft of the telescopic rod through bolts, and the bottom end of the connecting rod is rotatably connected with the top of the sleeve; the output shaft of the electric push rod pushes the sliding ring to move downwards, and the sliding ring and the connecting rod are matched to drive the sleeve to move towards the inner wall of the boiler pressure container, so that the movement of the sleeve can be controlled, and the boiler pressure container with different inner diameters can be inspected.
In one possible design, the detection structure further comprises a pressure sensor fixedly connected to the inner wall of one side of the sleeve, a second spring is arranged on one side of the pressure sensor, a detection rod is slidably connected to the sleeve, one end of the detection rod is fixedly connected with the other end of the second spring, a detection ball is arranged at one end, far away from the second spring, of the detection rod, and a hairbrush is fixed to one side of the detection rod through a bolt; when the rotation shaft drives the detection rod to rotate, the detection balls are contacted with the inner wall of the boiler pressure vessel, whether the inner wall of the boiler pressure vessel is deformed or not can be detected by detecting the extrusion of the pressure sensor by the cooperation of the detection balls and the second spring, and the brush can clean the position to be detected, so that the influence of impurities attached to the inner wall of the boiler pressure vessel on the detection accuracy of the pressure sensor is avoided.
In one possible design, the adjusting structure comprises a rack which is slidably connected to the top of the portal frame, one end of the rack is slidably connected with one side of an L-shaped sliding arm, the outer wall of the rotating shaft is slidably connected with a rotating ring through a sliding block and a groove, the rotating ring is rotatably connected to the top of the portal frame, the outer wall of the rotating ring is fixedly provided with a plurality of teeth through bolts, the rotating ring is intermittently meshed with the rack through the teeth, a stop block is welded to one side of the top of the portal frame, one side, close to the L-shaped sliding arm, of the stop block is fixedly provided with a plurality of first springs, the other ends of the plurality of first springs are fixedly provided with the same sliding push plate, one side of the sliding push plate is slidably connected with the L-shaped sliding arm through a sliding rail, the bottom of the sliding push plate is slidably connected with the top of the portal frame through a sliding rail, the inner wall of the bottom of the portal frame is fixedly provided with a bearing plate through bolts, one side of the bearing plate is provided with a step sliding groove and a reset sliding groove which are communicated, and one side of the L-shaped sliding arm is provided with a sliding rod and a reset sliding groove in sliding fit with the step sliding groove; the L-shaped sliding arm is pushed to move to the right side for a certain distance through the cooperation of the teeth and the racks after the rotating ring rotates for one circle, the sliding rod is matched with the stepped sliding groove after the L-shaped sliding arm moves for a certain distance, and then the L-shaped sliding arm can move to the right side downwards in a stepped manner along the track of the stepped sliding groove, and the detection structure can be controlled to carry out comprehensive circumference detection on the inner wall of the boiler pressure container at different heights.
In one possible design, the buffer structure comprises a liquid storage tank fixed on the other side of the top of the portal frame through a bolt, an inner tank body is fixed on the inner wall of the bottom of the liquid storage tank through a bolt, a piston plate is connected in the inner tank body in a sealing sliding manner, a liquid outlet hole for draining water is formed in one end of the inner tank body, two sliding rods are fixed at one end, far away from the liquid outlet hole, of the piston plate, the other ends of the two sliding rods penetrate through the inner tank body and one side of the liquid storage tank in a sliding manner and are welded with the same connecting sliding plate, and the connecting sliding plate is connected with one side of an L-shaped sliding arm in a sliding manner through a sliding rail; when the L-shaped sliding arm resets to the left side, the L-shaped sliding arm pushes the piston plate to move to the left side through the sliding rod, the piston plate discharges water in the inner box body into the liquid storage box through the liquid outlet hole, and the speed of the piston plate moving to the left side is limited due to the aperture limitation of the liquid outlet hole, so that the speed of resetting the L-shaped sliding arm can be controlled, and the phenomenon that the resetting speed of the L-shaped sliding arm is too high under the action of the elastic force of the first spring to influence the service life of the L-shaped sliding arm, the sliding seat and the rotating shaft is avoided.
In one possible design, a round groove is arranged on one side of the L-shaped sliding arm, a sliding rod is slidably connected in the round groove, a third spring is fixed at one end of the sliding rod, the other end of the third spring is fixedly connected with one side inner wall of the round groove, a guiding triangular block is fixed on one side inner wall of the reset sliding groove through a bolt, and the guiding triangular block is positioned at the junction of the step sliding groove and the reset sliding groove and used for resetting the sliding rod from the reset sliding groove to the step sliding groove; when the slide bar moves into the reset slide groove from the step slide groove, the L-shaped slide arm can move obliquely to the left upper side along the track of the reset slide groove under the cooperation of the first spring and the sliding push plate, and can be extended to the left upper side of the step slide groove again through the cooperation of the guide triangular block, and at the moment, the L-shaped slide arm can drive the rotating shaft to move upwards and reset, so that the follow-up detection is facilitated.
In one possible design, the top inner wall of the portal frame is fixed with a driving motor through a bolt, an output shaft of the driving motor is fixed with a second gear, the top inner wall of the portal frame is rotationally connected with a first gear, the first gear is meshed with the second gear, and the first gear slides on the outer wall of the rotating shaft through a sliding block and a groove.
In one possible design, the outer wall of the rotating shaft is sleeved with a sealing plate for sealing the boiler pressure vessel, the bottom of the sealing plate is fixedly embedded with a magnet ring, and the magnet ring is matched with the top of the boiler pressure vessel; the magnetic attraction force is generated on the top of the boiler pressure vessel through the magnet ring, so that the sealing plate can seal the boiler pressure vessel, the rotating shaft is limited to a certain extent, and the shaking phenomenon of the bottom end of the rotating shaft during rotation of the rotating shaft is avoided.
In one possible design, one end of the inner box body, which is close to the liquid outlet hole, is fixedly provided with a shielding cloth strip through a screw, the shielding cloth strip is positioned above the liquid outlet hole, the bottom inner wall of the liquid storage box is fixedly provided with a red laser emitter through a bolt, the top inner wall of the liquid storage box is fixedly provided with a laser receiver matched with the red laser emitter through a bolt, the outer walls of the red laser emitter and the laser receiver are respectively provided with a transparent waterproof cover for protecting the red laser emitter and the laser receiver, and one side of the liquid storage box is fixedly provided with a prompting lamp through a bolt; when the piston plate is used for discharging water in the inner box body into the liquid storage box through the liquid outlet hole, the water discharged from the liquid outlet hole pushes the shielding cloth strip to float, the shielding cloth strip shields red light rays emitted by the red laser emitter, the laser receiver is blocked to receive red light ray signals, the prompting lamp can be started at the moment, the prompting lamp is used for prompting staff, the boiler pressure vessel is detected, and the next round of detection is started.
In the application, the application method of the new material boiler pressure vessel inspection device with the adjustable detection angle comprises the following steps:
s1, after a boiler pressure container is opened, the boiler pressure container is placed under a rotating shaft, a driving motor is started, the rotating shaft is driven to rotate through the engagement of a second gear and a first gear, a rotating ring is driven to rotate by the rotating shaft, the L-shaped sliding arm can be pushed to move to the right side for a certain distance through the cooperation of teeth and racks after each circle of rotating ring, after the L-shaped sliding arm moves for a certain distance, a sliding rod is matched with a stepped sliding groove, the L-shaped sliding arm and the rotating shaft descend for a certain distance under the action of self gravity until a fixed ring is immersed into the boiler pressure container, and at the moment, a sealing plate can seal the boiler pressure container through the cooperation of a magnet ring and the boiler pressure container;
s2, an output shaft of the electric push rod pushes the sliding ring to move downwards, and the matching of the sliding ring and the connecting rod can drive the sleeve to move towards the inner wall of the boiler pressure container until the detection ball contacts the inner wall of the boiler pressure container, and the pressure sensor detects the extrusion force of the detection rod, so that the calibration of the detection rod and the pressure sensor is completed;
s3, the rotating shaft drives the detection rod and the ultrasonic flaw detector to continue to rotate slowly, the ultrasonic flaw detector can send out ultrasonic waves at the same horizontal plane angle of the boiler pressure vessel to detect, when the detection rod rotates, whether deformation occurs on the inner wall of the boiler pressure vessel can be detected by detecting the contact of the ball and the inner wall of the boiler pressure vessel and the extrusion force generated by the pressure sensor, so that when the rotating shaft rotates, the L-shaped sliding arm moves downwards in a stepped manner under the action of the stepped sliding groove, and then the ultrasonic flaw detector and the pressure sensor can carry out circumference detection at different heights in the boiler pressure vessel, the detection is comprehensive, and the detection accuracy is improved;
s4, when the sliding rod moves into the reset sliding groove from the step sliding groove, the sliding rod extends outwards under the action of the elastic force of the third spring, the sliding rod is prevented from moving to the left side for a certain distance along the track of the step sliding groove under the action of the first spring, in addition, the L-shaped sliding arm can move to the upper left side along the track of the reset sliding groove under the cooperation of the first spring and the sliding push plate, the sliding rod can be extended to the upper left side of the step sliding groove again through the cooperation of the guide triangular block, and at the moment, the L-shaped sliding arm can drive the rotating shaft to move upwards and reset, so that the follow-up detection is facilitated;
s5, when the L-shaped sliding arm resets to the left, the L-shaped sliding arm pushes the piston plate to move to the left through the sliding rod, the piston plate discharges water in the inner box body into the liquid storage box through the liquid outlet hole, and the hole diameter of the liquid outlet hole is limited, so that the speed of the piston plate moving to the left is limited, the speed of resetting the L-shaped sliding arm can be controlled, the situation that the resetting speed of the L-shaped sliding arm is too high under the action of the elastic force of the first spring, and the service lives of the L-shaped sliding arm, the sliding seat and the rotating shaft are influenced is avoided;
s6, when the piston plate discharges water in the inner box body into the liquid storage box through the liquid outlet hole, water discharged from the liquid outlet hole pushes the shielding cloth strip to float, the shielding cloth strip shields red light rays emitted by the red laser emitter, the laser receiver is blocked from receiving red light ray signals, the indicator lamp can be started at the moment and used for indicating staff, the boiler pressure container is detected, and the next round of detection is started.
The adjusting structure comprises a rack which is connected to the top of a portal frame in a sliding way, the outer wall of the rotating ring is meshed with the rack intermittently through a plurality of teeth, one side of the bearing plate is provided with a step chute and a reset chute which are communicated with each other, and one side of the L-shaped sliding arm is provided with a sliding rod; the L-shaped sliding arm can be pushed to move for a certain distance through the cooperation of the teeth and the racks after the rotating ring rotates for one circle, and the L-shaped sliding arm can be enabled to move downwards to the right in a stepwise manner along the track of the step sliding groove through the cooperation of the sliding rod and the step sliding groove, so that the detection structure can be controlled to carry out comprehensive circumference detection on the inner wall of the boiler pressure vessel at different heights;
according to the invention, a sliding ring is sleeved on the outer wall of the rotating shaft in a sliding manner, the bottom of the fixed ring is fixedly connected with the top of the sliding ring through a plurality of electric push rods, an ultrasonic flaw detector and a telescopic rod are respectively fixed on two sides of the rotating shaft, a sleeve is fixed on one end of an output shaft of the telescopic rod through a bolt, and the bottom of the sliding ring is rotationally connected with the top of the sleeve through a connecting rod; the output shaft of the electric push rod pushes the sliding ring to move downwards, and the matching of the sliding ring and the connecting rod can drive the sleeve to move towards the inner wall of the boiler pressure container, so that the movement of the sleeve can be controlled for checking the boiler pressure containers with different inner diameters;
the detection structure further comprises a pressure sensor fixedly connected to the inner wall of one side of the sleeve, a detection rod is slidably connected to the sleeve, the detection rod is elastically connected with the pressure sensor through a second spring, and a detection ball is arranged at one end, far away from the second spring, of the detection rod; when the rotating shaft drives the detecting rod to rotate, the contact between the ball and the inner wall of the boiler pressure container is detected, and whether the inner wall of the boiler pressure container is deformed can be detected by detecting the extrusion of the ball and the second spring to the pressure sensor;
in the invention, a piston plate is hermetically and slidingly connected in the inner box body, one end of the inner box body is provided with a liquid outlet hole, one end of the piston plate far away from the liquid outlet hole is fixedly provided with two sliding rods, the other ends of the two sliding rods are welded with the same connecting sliding plate, and the connecting sliding plate is slidingly connected with one side of an L-shaped sliding arm through a sliding rail; when the L-shaped sliding arm is reset, the piston plate is pushed to move to the left side, water in the inner box body is discharged through the liquid outlet, the moving speed of the piston plate to the left side is limited, the resetting speed of the L-shaped sliding arm can be controlled, and the phenomenon that the resetting speed of the L-shaped sliding arm is too high under the action of the elastic force of the first spring to influence the service life of the L-shaped sliding arm, the sliding seat and the rotating shaft is avoided.
According to the invention, the boiler pressure containers with different inner diameters can be detected through the detection structure, the ultrasonic flaw detector and the pressure sensor are respectively used for detecting whether cracks and deformations appear on the inner wall of the boiler pressure container, the detection function is comprehensive, the rotating shaft can be driven by the driving motor to rotate, the detection structure is controlled to carry out comprehensive circumference detection on the inner wall of the boiler pressure container at different heights, the detection function is comprehensive, the accuracy is high, and the speed of resetting the L-shaped slide arm can be controlled through the buffer structure during resetting, so that the influence on the service lives of the L-shaped slide arm, the slide seat and the rotating shaft is avoided.
Drawings
FIG. 1 is a schematic three-dimensional diagram of a new material boiler pressure vessel inspection device with adjustable inspection angle according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional cross-sectional structure of a new material boiler pressure vessel inspection device with adjustable inspection angle according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the L-shaped slide arm, the rotating shaft and the connecting slide plate of the new material boiler pressure vessel inspection device with adjustable detection angle provided in the embodiment 1 of the invention;
FIG. 4 is a schematic view of a three-dimensional structure of a rotation ring and a rack of a new material boiler pressure vessel inspection device with adjustable detection angle according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the bearing plate and the sliding rod of the inspection device for new material boiler pressure vessels with adjustable detection angle provided in embodiment 1 of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A;
FIG. 7 is a schematic diagram of an exploded three-dimensional sectional structure of an L-shaped slide arm part of a new material boiler pressure vessel inspection device with an adjustable detection angle according to embodiment 1 of the present invention;
FIG. 8 is a schematic diagram of a three-dimensional sectional explosion structure of a sealing plate and a magnet ring of the inspection device for new material boiler pressure vessels with adjustable detection angle according to embodiment 1 of the present invention;
FIG. 9 is a schematic view of a three-dimensional explosion structure of a sleeve and a detecting rod of a new material boiler pressure vessel inspection device with adjustable detecting angle according to embodiment 1 of the present invention;
FIG. 10 is a schematic diagram of three-dimensional cross-sectional structures of a liquid storage tank and an inner tank of a new material boiler pressure vessel inspection device with an adjustable detection angle according to embodiment 1 of the present invention;
fig. 11 is a schematic diagram of a front sectional structure of a liquid storage tank and an inner tank of a new material boiler pressure vessel inspection device with an adjustable inspection angle according to embodiment 2 of the present invention.
In the figure: 1. a portal frame; 2. a boiler pressure vessel; 3. a rectangular hole; 4. an L-shaped sliding arm; 5. a stop block; 6. a sliding push plate; 7. a first spring; 8. a sliding seat; 9. a rotating shaft; 10. a first gear; 11. a driving motor; 12. a second gear; 13. a rack; 14. a rotating ring; 15. teeth; 16. a fixing ring; 17. an electric push rod; 18. a slip ring; 19. an ultrasonic flaw detector; 20. a telescopic rod; 21. a sleeve; 22. a connecting rod; 23. a pressure sensor; 24. a second spring; 25. a detection rod; 26. detecting the ball; 27. a brush; 28. a circular groove; 29. a slide bar; 30. a third spring; 31. a step chute; 32. resetting the chute; 33. a carrying plate; 34. guiding the triangular block; 35. a liquid storage tank; 36. an inner case; 37. a piston plate; 38. a slide bar; 39. the connecting slide plate; 40. a liquid outlet hole; 41. a sealing plate; 42. a magnet ring; 43. shielding cloth strips; 44. a red laser emitter; 45. a laser receiver; 46. a warning light.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-10, the new material boiler pressure vessel inspection device with adjustable detection angle is applied in the boiler pressure vessel detection field, and comprises a portal frame 1, wherein a boiler pressure vessel 2 to be detected is arranged below the portal frame 1, a rotating shaft 9 penetrates through the portal frame 1, the bottom end of the rotating shaft 9 extends into the boiler pressure vessel 2, a rectangular hole 3 is arranged in the portal frame 1, an L-shaped sliding arm 4 is slidably matched in the rectangular hole 3, the rectangular hole 3 plays a limiting role on the movement of the L-shaped sliding arm 4, a sliding seat 8 is rotatably connected to the top end of the rotating shaft 9, and the sliding seat 8 slides on the top inner wall of the L-shaped sliding arm 4 through a sliding rail.
Referring to fig. 2 and 4, a driving motor 11 is fixed on the inner wall of the top of the portal frame 1 through bolts, a second gear 12 is fixed on the output shaft of the driving motor 11, a first gear 10 is rotatably connected to the inner wall of the top of the portal frame 1, the first gear 10 is meshed with the second gear 12, and the first gear 10 slides on the outer wall of the rotating shaft 9 through a sliding block and a groove.
Referring to fig. 2, 8 and 9, the apparatus further includes a detection structure provided at an outer wall of the rotation shaft 9 for detecting cracks and deformation of the boiler pressure vessel 2; the detection structure comprises a fixed ring 16 fixedly sleeved on the outer wall of a rotating shaft 9, the fixed ring 16 is positioned in a boiler pressure container 2, a sliding ring 18 positioned below the fixed ring 16 is sleeved on the outer wall of the rotating shaft 9 in a sliding manner, a plurality of electric push rods 17 are fixed at the bottom of the fixed ring 16 through bolts, output shafts of the electric push rods 17 are fixedly connected with the top of the sliding ring 18 through bolts, an ultrasonic flaw detector 19 and a telescopic rod 20 are respectively fixed at two sides of the rotating shaft 9 through bolts, the ultrasonic flaw detector 19 and the telescopic rod 20 are positioned below the sliding ring 18, a connecting rod 22 is rotatably connected at the bottom of the sliding ring 18, a sleeve 21 is fixed at one end of an output shaft of the telescopic rod 20 through bolts, and the bottom end of the connecting rod 22 is rotatably connected with the top of the sleeve 21; the output shaft of the electric push rod 17 pushes the sliding ring 18 to move downwards, and the matching of the sliding ring 18 and the connecting rod 22 can drive the sleeve 21 to move towards the inner wall of the boiler pressure container 2, so that the movement of the sleeve 21 can be controlled for checking the boiler pressure containers 2 with different inner diameters.
Referring to fig. 2, 8 and 9, the detecting structure further includes a pressure sensor 23 fixedly connected to an inner wall of one side of the sleeve 21, a second spring 24 is provided at one side of the pressure sensor 23, a detecting rod 25 is slidably connected to the sleeve 21, one end of the detecting rod 25 is fixedly connected to the other end of the second spring 24, one end of the detecting rod 25, which is far away from the second spring 24, is provided with a detecting ball 26, and a brush 27 is fixed to one side of the detecting rod 25 by a bolt; when the rotation shaft 9 drives the detection rod 25 to rotate, the detection balls 26 are contacted with the inner wall of the boiler pressure container 2, whether the inner wall of the boiler pressure container 2 is deformed or not can be detected by detecting the extrusion of the pressure sensor 23 by the cooperation of the detection balls 26 and the second springs 24, and the hairbrush 27 can clean the position to be detected, so that the impurity attached to the inner wall of the boiler pressure container 2 is prevented from affecting the detection accuracy of the pressure sensor 23.
Referring to fig. 2 and 8, a sealing plate 41 for sealing the boiler pressure vessel 2 is sleeved on the outer wall of the rotating shaft 9, a magnet ring 42 is fixedly embedded at the bottom of the sealing plate 41, and the magnet ring 42 is matched with the top of the boiler pressure vessel 2; the magnetic attraction force is generated on the top of the boiler pressure container 2 through the magnet ring 42, so that the sealing plate 41 can seal the boiler pressure container 2, and therefore the rotating shaft 9 is limited to a certain extent, and the shaking phenomenon of the bottom end of the rotating shaft 9 during rotation of the rotating shaft 9 is avoided.
Referring to fig. 2-7, the device further comprises an adjusting structure arranged at the top of the portal frame 1 and used for driving the L-shaped sliding arm 4 and the rotating shaft 9 to move downwards in a stepped manner, so that the detecting structure can detect the circumference of the interior of the boiler pressure vessel 2 at different heights; the adjusting structure comprises a rack 13 which is slidingly connected to the top of the portal frame 1, one end of the rack 13 is slidingly connected with one side of the L-shaped sliding arm 4, the outer wall of the rotating shaft 9 is slidingly connected with a rotating ring 14 through a sliding block and a groove, the rotating ring 14 is rotationally connected to the top of the portal frame 1, the outer wall of the rotating ring 14 is fixedly provided with a plurality of teeth 15 through bolts, the rotating ring 14 is intermittently meshed with the rack 13 through the teeth 15, one side of the top of the portal frame 1 is welded with a stop block 5, one side of the stop block 5, which is close to the L-shaped sliding arm 4, is fixedly provided with a plurality of first springs 7, the other ends of the plurality of first springs 7 are fixedly provided with the same sliding push plate 6, one side of the sliding push plate 6 is slidingly connected with the L-shaped sliding arm 4 through a sliding rail, the bottom of the sliding push plate 6 is slidingly connected with the top of the portal frame 1 through a sliding rail, the bottom inner wall of the portal frame 1 is fixedly provided with a bearing plate 33 through bolts, one side of the bearing plate 33 is provided with a communicated stepped sliding groove 31 and a reset sliding groove 32, one side of the L-shaped sliding arm 4 is provided with a sliding bar 29, and the sliding bar 29 is slidingly matched with the stepped sliding groove 31 and the reset sliding groove 32; each time the rotating ring 14 rotates, the L-shaped sliding arm 4 is pushed to move to the right side for a certain distance through the cooperation of the teeth 15 and the racks 13, after the L-shaped sliding arm 4 moves for a certain distance, the sliding rod 29 is matched with the stepped sliding groove 31, so that the L-shaped sliding arm 4 can move to the right side in a stepped manner along the track of the stepped sliding groove 31, and the detection structure can be controlled to carry out comprehensive circumference detection on the inner wall of the boiler pressure container 2 at different heights.
Referring to fig. 5-7, a circular groove 28 is formed on one side of the l-shaped sliding arm 4, a sliding rod 29 is slidably connected in the circular groove 28, a third spring 30 is fixed at one end of the sliding rod 29, the other end of the third spring 30 is fixedly connected with one side inner wall of the circular groove 28, a guiding triangular block 34 is fixed on one side inner wall of a reset chute 32 through a bolt, and the guiding triangular block 34 is positioned at the intersection of a stepped chute 31 and the reset chute 32 and used for resetting the sliding rod 29 from the reset chute 32 into the stepped chute 31; when the slide bar 29 moves from the step chute 31 to the reset chute 32, the L-shaped slide arm 4 can move obliquely to the upper left along the track of the reset chute 32 under the cooperation of the first spring 7 and the sliding push plate 6, and the slide bar 29 can be extended again to the upper left of the step chute 31 through the cooperation of the guide triangular block 34, and at the moment, the L-shaped slide arm 4 can drive the rotating shaft 9 to move upwards and reset, so that the subsequent detection is facilitated.
Referring to fig. 2 and 10, the device further comprises a buffer structure arranged at one side of the top of the portal frame 1, and is used for controlling the resetting speed of the L-shaped sliding arm 4, so as to avoid the excessive resetting speed of the L-shaped sliding arm 4; the buffer structure comprises a liquid storage tank 35 fixed on the other side of the top of the portal frame 1 through bolts, an inner tank body 36 is fixed on the inner wall of the bottom of the liquid storage tank 35 through bolts, a piston plate 37 is connected in the inner tank body 36 in a sealing sliding manner, a liquid outlet hole 40 for draining water is formed in one end of the inner tank body 36, two sliding rods 38 are fixed at one end, far away from the liquid outlet hole 40, of the piston plate 37, the other ends of the two sliding rods 38 penetrate through one side of the inner tank body 36 and one side of the liquid storage tank 35 in a sliding manner and are welded with the same connecting sliding plate 39, and the connecting sliding plate 39 is connected with one side of the L-shaped sliding arm 4 in a sliding manner through a sliding rail; when the L-shaped slide arm 4 resets to the left, the L-shaped slide arm 4 pushes the piston plate 37 to move to the left through the slide rod 38, the piston plate 37 discharges water in the inner box 36 into the liquid storage box 35 through the liquid outlet hole 40, and the speed of the piston plate 37 moving to the left is limited due to the aperture limitation of the liquid outlet hole 40, so that the speed of resetting the L-shaped slide arm 4 can be controlled, and the influence on the service life of the L-shaped slide arm 4, the slide seat 8 and the rotating shaft 9 caused by the too high resetting speed of the L-shaped slide arm 4 under the action of the elastic force of the first spring 7 is avoided.
Example 2
Referring to fig. 11, the improvement is based on example 1: one end of the inner box 36, which is close to the liquid outlet hole 40, is fixedly provided with a shielding cloth strip 43 through a screw, the shielding cloth strip 43 is positioned above the liquid outlet hole 40, the bottom inner wall of the liquid storage box 35 is fixedly provided with a red laser emitter 44 through a bolt, the top inner wall of the liquid storage box 35 is fixedly provided with a laser receiver 45 matched with the red laser emitter 44 through a bolt, the outer walls of the red laser emitter 44 and the laser receiver 45 are respectively provided with a transparent waterproof cover for protecting the red laser emitter 44 and the laser receiver 45, and one side of the liquid storage box 35 is fixedly provided with a prompting lamp 46 through a bolt; when the piston plate 37 discharges water in the inner box 36 into the liquid storage box 35 through the liquid outlet hole 40, the water flow discharged from the liquid outlet hole 40 pushes the shielding cloth strip 43 to float, the shielding cloth strip 43 shields red light emitted by the red laser emitter 44, the laser receiver 45 is blocked from receiving red light signals, and at the moment, the indicator lamp 46 can be started for indicating staff, the boiler pressure container 2 is detected, and the next round of detection is started.
The application method of the new material boiler pressure vessel inspection device with the adjustable detection angle comprises the following steps:
s1, after the boiler pressure container 2 is opened, the boiler pressure container is placed under a rotating shaft 9, a driving motor 11 is started, the rotating shaft 9 is driven to rotate through the engagement of a second gear 12 and a first gear 10, the rotating shaft 9 drives a rotating ring 14 to rotate, the rotating ring 14 can push an L-shaped sliding arm 4 to move to the right for a certain distance through the cooperation of a tooth 15 and a rack 13 after each rotating ring 14 rotates, after the L-shaped sliding arm 4 moves for a certain distance, a sliding rod 29 is matched with a stepped sliding groove 31, the L-shaped sliding arm 4 and the rotating shaft 9 descend for a certain distance under the action of self gravity until a fixed ring 16 is immersed into the boiler pressure container 2, and a sealing plate 41 can seal the boiler pressure container 2 through the cooperation of a magnet ring 42 and the boiler pressure container 2;
s2, an output shaft of the electric push rod 17 pushes the sliding ring 18 to move downwards, and the matching of the sliding ring 18 and the connecting rod 22 can drive the sleeve 21 to move towards the inner wall of the boiler pressure container 2 until the detection ball 26 touches the inner wall of the boiler pressure container 2, and the pressure sensor 23 detects the extrusion force of the detection rod 25, so that the calibration of the detection rod 25 and the pressure sensor 23 is completed;
s3, the rotation shaft 9 drives the detection rod 25 and the ultrasonic flaw detector 19 to continue to rotate slowly, the ultrasonic flaw detector 19 can send out ultrasonic waves at the same horizontal plane angle of the boiler pressure container 2 for detection, when the detection rod 25 rotates, whether the inner wall of the boiler pressure container 2 deforms or not can be detected by detecting the contact of the ball 26 and the inner wall of the boiler pressure container 2 and the extrusion force generated by the pressure sensor 23, so when the rotation shaft 9 rotates, the L-shaped sliding arm 4 moves downwards in a stepped manner under the action of the stepped sliding groove 31, and then the ultrasonic flaw detector 19 and the pressure sensor 23 can carry out circumference detection at different heights in the boiler pressure container 2, so that the detection is comprehensive and the detection accuracy is improved;
s4, when the slide bar 29 moves into the reset slide groove 32 from the step slide groove 31, the slide bar 29 extends outwards under the action of the elastic force of the third spring 30, the slide bar 29 is prevented from moving to the left for a certain distance along the track of the step slide groove 31 under the action of the first spring 7, in addition, the L-shaped slide arm 4 can move obliquely to the left and above along the track of the reset slide groove 32 under the cooperation of the first spring 7 and the slide push plate 6, the slide bar 29 can be re-extended to the left and above the step slide groove 31 through the cooperation of the guide triangular block 34, and at the moment, the L-shaped slide arm 4 can drive the rotating shaft 9 to move upwards and reset, so that the follow-up detection is facilitated;
s5, when the L-shaped sliding arm 4 is reset to the left, the L-shaped sliding arm 4 pushes the piston plate 37 to move to the left through the sliding rod 38, the piston plate 37 discharges water in the inner box 36 into the liquid storage box 35 through the liquid outlet hole 40, and the hole diameter of the liquid outlet hole 40 is limited, so that the speed of moving the piston plate 37 to the left is limited, the speed of resetting the L-shaped sliding arm 4 can be controlled, and the influence on the service life of the L-shaped sliding arm 4, the sliding seat 8 and the rotating shaft 9 caused by the fact that the resetting speed of the L-shaped sliding arm 4 is too high under the action of the elastic force of the first spring 7 is avoided;
s6, when the piston plate 37 discharges water in the inner box 36 into the liquid storage box 35 through the liquid outlet hole 40, the water flow discharged from the liquid outlet hole 40 pushes the shielding cloth strip 43 to float, the shielding cloth strip 43 shields red light emitted by the red laser emitter 44, the laser receiver 45 is blocked from receiving red light signals, the prompting lamp 46 can be started at the moment and used for prompting staff, the boiler pressure vessel 2 is detected completely, and the next round of detection is started.
However, as well known to those skilled in the art, the working principles and wiring methods of the red laser emitter 44, the laser receiver 45, the indicator light 46, the pressure sensor 23, the electric putter 17 and the driving motor 11 are well known, which are all conventional means or common general knowledge, and will not be described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a detect new material boiler pressure vessel verifying attachment of angularly adjustable, includes portal frame (1), its characterized in that, the below of portal frame (1) is equipped with and is used for waiting to detect boiler pressure vessel (2), run through in portal frame (1) have axis of rotation (9), and in the bottom of axis of rotation (9) extends to boiler pressure vessel (2), be equipped with rectangular hole (3) in portal frame (1), sliding fit has L type arm (4) in rectangular hole (3), and rectangular hole (3) play limiting displacement to L type arm (4), the top rotation of axis of rotation (9) is connected with sliding seat (8), and sliding seat (8) are through the top inner wall of slide rail slip at L type arm (4);
the detection structure is arranged on the outer wall of the rotating shaft (9) and is used for detecting internal cracks and deformation of the boiler pressure vessel (2);
the adjusting structure is arranged at the top of the portal frame (1) and is used for driving the L-shaped sliding arm (4) and the rotating shaft (9) to move downwards in a stepped manner, so that the detecting structure can detect the circumference of the inside of the boiler pressure vessel (2) at different heights;
the buffer structure is arranged on one side of the top of the portal frame (1) and used for controlling the resetting speed of the L-shaped sliding arm (4) and avoiding the excessive speed of the resetting of the L-shaped sliding arm (4).
2. The new material boiler pressure vessel verifying attachment of detection angle adjustable as claimed in claim 1, wherein, detect the structure including fixed cover establish fixed ring (16) at axis of rotation (9) outer wall, and fixed ring (16) are located boiler pressure vessel (2), the outer wall slip cover of axis of rotation (9) is equipped with sliding ring (18) that are located fixed ring (16) below, the bottom of fixed ring (16) is through bolt fastening having a plurality of electric putter (17), a plurality of electric putter (17)'s output shaft all passes through bolt fastening with the top of sliding ring (18), both sides of axis of rotation (9) are respectively through bolt fastening with ultrasonic flaw detector (19) and telescopic link (20), and ultrasonic flaw detector (19) and telescopic link (20) all are located the below of sliding ring (18), sliding ring (18) bottom rotation is connected with connecting rod (22), the output shaft one end of telescopic link (20) is through bolt fastening has sleeve (21), and the bottom of connecting rod (22) is rotated with the top of sleeve (21).
3. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 2, characterized in that the detection structure further comprises a pressure sensor (23) fixedly connected to the inner wall of one side of the sleeve (21), a second spring (24) is arranged on one side of the pressure sensor (23), a detection rod (25) is slidably connected to the sleeve (21), one end of the detection rod (25) is fixedly connected with the other end of the second spring (24), one end of the detection rod (25) far away from the second spring (24) is provided with a detection ball (26), and a brush (27) is fixed on one side of the detection rod (25) through a bolt.
4. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 3, wherein the adjustment structure comprises a rack (13) slidingly connected to the top of the portal frame (1), one end of the rack (13) is slidingly connected with one side of the L-shaped sliding arm (4), the outer wall of the rotating shaft (9) is slidingly connected with a rotating ring (14) through a sliding block and a groove, the rotating ring (14) is rotationally connected to the top of the portal frame (1), the outer wall of the rotating ring (14) is fixedly provided with a plurality of teeth (15) through bolts, the rotating ring (14) is intermittently meshed with the rack (13) through the teeth (15), one side of the top of the portal frame (1) is welded with a stop block (5), one side of the stop block (5) close to the L-shaped sliding arm (4) is fixedly provided with a plurality of first springs (7), the other end of the first springs (7) is fixedly provided with the same sliding push plate (6), one side of the sliding push plate (6) is slidingly connected with the L-shaped sliding arm (4) through a sliding rail, the bottom of the sliding push plate (6) is fixedly connected with a sliding groove (33) through a sliding groove, one side of the sliding plate (1) is fixedly connected with a sliding groove (33) through the sliding groove (31), one side of the L-shaped sliding arm (4) is provided with a sliding rod (29), and the sliding rod (29) is in sliding fit with the stepped sliding groove (31) and the reset sliding groove (32).
5. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 4, wherein the buffer structure comprises a liquid storage tank (35) fixed on the other side of the top of the portal frame (1) through bolts, an inner tank body (36) is fixed on the inner wall of the bottom of the liquid storage tank (35) through bolts, a piston plate (37) is connected in the inner tank body (36) in a sealing sliding manner, a liquid outlet hole (40) for draining water is formed in one end of the inner tank body (36), two sliding rods (38) are fixed at one end of the piston plate (37) far away from the liquid outlet hole (40), the other ends of the two sliding rods (38) are respectively connected with one side of the inner tank body (36) and one side of the liquid storage tank (35) in a sliding manner through a sliding rail, and one side of the connecting sliding plate (39) and one side of the L-shaped sliding arm (4) is connected in a sliding manner through the sliding rail.
6. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 5, wherein one side of the L-shaped sliding arm (4) is provided with a circular groove (28), a sliding rod (29) is slidably connected in the circular groove (28), one end of the sliding rod (29) is fixedly provided with a third spring (30), the other end of the third spring (30) is fixedly connected with one side inner wall of the circular groove (28), one side inner wall of the reset sliding groove (32) is fixedly provided with a guiding triangular block (34) through a bolt, and the guiding triangular block (34) is positioned at the junction of the step sliding groove (31) and the reset sliding groove (32) and is used for resetting the sliding rod (29) from the reset sliding groove (32) to the step sliding groove (31).
7. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 6, wherein a driving motor (11) is fixed on the top inner wall of the portal frame (1) through bolts, a second gear (12) is fixed on an output shaft of the driving motor (11), a first gear (10) is rotatably connected to the top inner wall of the portal frame (1), the first gear (10) is meshed with the second gear (12), and the first gear (10) slides on the outer wall of the rotating shaft (9) through a sliding block and a groove.
8. The new material boiler pressure vessel inspection device with adjustable detection angle according to claim 7, characterized in that the outer wall of the rotating shaft (9) is sleeved with a sealing plate (41) for sealing the boiler pressure vessel (2), a magnet ring (42) is fixedly embedded at the bottom of the sealing plate (41), and the magnet ring (42) is matched with the top of the boiler pressure vessel (2).
9. The new material boiler pressure vessel verifying attachment of adjustable detection angle of claim 8, wherein, one end that interior box (36) is close to liquid outlet (40) is through the fix with screw shielding cloth strip (43), and shields cloth strip (43) to be located the top of liquid outlet (40), the bottom inner wall of liquid reserve tank (35) is through the bolt fastening there being red laser emitter (44), the top inner wall of liquid reserve tank (35) is through the bolt fastening there being with red laser emitter (44) matched with laser receiver (45), the outer wall of red laser emitter (44) and laser receiver (45) all is equipped with transparent waterproof cover for protect red laser emitter (44) and laser receiver (45), one side of liquid reserve tank (35) is through the bolt fastening there being warning light (46).
10. The method for using the new material boiler pressure vessel inspection device with adjustable detection angle according to claim 9, comprising the following steps:
s1, after a boiler pressure container (2) is opened, the boiler pressure container is placed under a rotating shaft (9), a driving motor (11) is started, the rotating shaft (9) is driven to rotate through engagement of a second gear (12) and a first gear (10), the rotating shaft (9) drives a rotating ring (14) to rotate, each circle of rotating ring (14) can push an L-shaped sliding arm (4) to move to the right side for a certain distance through cooperation of a tooth (15) and a rack (13), after the L-shaped sliding arm (4) moves for a certain distance, a sliding rod (29) is matched with a stepped sliding groove (31), the L-shaped sliding arm (4) and the rotating shaft (9) are lowered for a certain distance under the action of self gravity until a fixed ring (16) is submerged in the boiler pressure container (2), and a sealing plate (41) can cover the boiler pressure container (2) through cooperation of a magnet ring (42);
s2, an output shaft of the electric push rod (17) pushes the sliding ring (18) to move downwards, the sliding ring (18) and the connecting rod (22) are matched to drive the sleeve (21) to move towards the inner wall of the boiler pressure container (2) until the detection balls (26) touch the inner wall of the boiler pressure container (2), the pressure sensor (23) detects the extrusion force of the detection rod (25), and the calibration of the detection rod (25) and the pressure sensor (23) is completed;
s3, the rotation shaft (9) drives the detection rod (25) and the ultrasonic flaw detector (19) to continuously rotate slowly, the ultrasonic flaw detector (19) can send out ultrasonic waves at the same horizontal plane angle of the boiler pressure container (2) for detection, when the detection rod (25) rotates, whether the inner wall of the boiler pressure container (2) deforms or not can be detected by detecting the contact of the ball (26) and the inner wall of the boiler pressure container (2) and the extrusion force generated by the pressure sensor (23), so when the rotation shaft (9) rotates, the L-shaped sliding arm (4) moves downwards in a step mode under the action of the step sliding groove (31), then the ultrasonic flaw detector (19) and the pressure sensor (23) can carry out circumference detection at different heights in the boiler pressure container (2), detection is comprehensive, and detection accuracy is improved;
s4, when the sliding rod (29) moves into the reset sliding groove (32) from the step sliding groove (31), the sliding rod (29) extends outwards under the action of the elastic force of the third spring (30), the sliding rod (29) is prevented from moving to the left for a certain distance along the track of the step sliding groove (31) under the action of the first spring (7), in addition, the L-shaped sliding arm (4) can move obliquely to the left and the upper along the track of the reset sliding groove (32) under the cooperation of the first spring (7) and the sliding push plate (6), and the sliding rod (29) can be extended to the left and the upper side of the step sliding groove (31) again through the cooperation of the guide triangular block (34), and at the moment, the L-shaped sliding arm (4) can drive the rotating shaft (9) to move upwards and reset, so that the follow-up detection is facilitated;
s5, when the L-shaped sliding arm (4) is reset to the left side, the L-shaped sliding arm (4) pushes the piston plate (37) to move to the left side through the sliding rod (38), the piston plate (37) discharges water in the inner box body (36) into the liquid storage box (35) through the liquid outlet hole (40), and the speed of the piston plate (37) moving to the left side is limited due to the aperture limitation of the liquid outlet hole (40), so that the speed of resetting the L-shaped sliding arm (4) can be controlled, the situation that the resetting speed of the L-shaped sliding arm (4) is too high under the action of the elastic force of the first spring (7) is avoided, and the service lives of the L-shaped sliding arm (4), the sliding seat (8) and the rotating shaft (9) are influenced;
s6, when the piston plate (37) discharges water in the inner box body (36) into the liquid storage box (35) through the liquid outlet hole (40), water discharged from the liquid outlet hole (40) pushes the shielding cloth strip (43) to float, the shielding cloth strip (43) shields red light rays emitted by the red laser emitter (44), the laser receiver (45) is blocked from receiving red light ray signals, and at the moment, the prompting lamp (46) can be started for prompting staff, and the boiler pressure container (2) starts to detect next round after detection is completed.
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| CN117589872B (en) | 2024-06-28 |
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