CN115681671B - Crack detection device and method for ceramic composite pipe - Google Patents
Crack detection device and method for ceramic composite pipe Download PDFInfo
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- CN115681671B CN115681671B CN202211351073.6A CN202211351073A CN115681671B CN 115681671 B CN115681671 B CN 115681671B CN 202211351073 A CN202211351073 A CN 202211351073A CN 115681671 B CN115681671 B CN 115681671B
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Abstract
The invention discloses a crack detection device and method for a ceramic composite pipe, and relates to the field of pipeline detection, wherein the crack detection device comprises a detector main body, and detection mechanisms for carrying out omnibearing detection on pipelines with different diameters are distributed on the inner side of a positioning pipe and the outer side of the positioning pipe; and a marking mechanism used for adjusting the distance between the detection probe and the inner wall of the pipeline is distributed at one end of the positioning pipe, which is far away from the connecting wire. According to the invention, the marking mechanism is arranged, the winding rod releases the rubber measuring rope through the movement of the positioning pipe, when the crack is detected, the electric push rod can be operated through the controller in the detector main body, so that the rubber measuring rope at the position is marked, the distance from the crack to one end of the pipeline can be known through the distance from one end of the rubber measuring rope to the marked position after the equipment is taken out, and convenience is provided for the maintenance and repair of the subsequent pipeline.
Description
Technical Field
The invention relates to the field of pipeline detection, in particular to a crack detection device and method for a ceramic composite pipe.
Background
The ceramic composite pipe is made up by adopting high-tech production process-self-propagating high-temp. clutch synthesis method, and said pipe is formed from three layers of corundum ceramic, transition layer and steel respectively from inside to outside, and the ceramic layer is formed into compact corundum ceramic at high temp. above 2200 deg.C, and through the transition layer and steel pipe a firm combination is formed, and the composite pipe possesses good comprehensive properties of wear-resisting, heat-resisting, corrosion-resisting, mechanical impact-resisting, thermal shock-resisting and good weldability, so that it is an ideal wear-resisting and corrosion-resisting pipeline for conveying granular material, grinding and corrosive medium, etc..
When detecting the outer wall of the ceramic composite pipe, the crack detection can be directly carried out on the outer wall of the pipeline through the handheld detector, the detection effect can be influenced when detecting the inner wall of the ceramic composite pipe, the detection probe can be fixed on the inner wall of the pipeline through the support frame, then the detection probe can be moved on the inner wall of the pipeline through the movement of the support frame, so that the inner wall of the pipeline is detected, and the detection probe can only detect one direction, so that the detection probe still needs to be fixed and moved again when detecting other positions of the inner wall of the pipeline, the operation is complex, and the detection range of the detection probe is smaller.
Disclosure of Invention
The invention aims at: in order to solve the problem that the inner walls of pipelines with different diameters cannot be detected in all directions, the device and the method for detecting cracks of the ceramic composite pipe are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pottery composite pipe crack detection device and method, includes the detector main part, the one end of detector main part is connected with the connecting wire, the one end of connecting wire is connected with the locating tube, the inboard of locating tube and the outside of locating tube distributes and is used for carrying out the detection mechanism of all-round detection to the pipeline of different diameters size, detection mechanism is including rotating the L shape dwang that is connected in one end of locating tube through the bearing, the top of L shape dwang is provided with the test probe;
and a marking mechanism used for adjusting the distance between the detection probe and the inner wall of the pipeline is distributed at one end of the positioning pipe, which is far away from the connecting wire.
As still further aspects of the invention: the detection mechanism further comprises a rotating assembly, a moving assembly and an adjusting assembly, the moving assembly comprises a motor arranged on the inner side of the positioning tube, the output end of the motor is connected with a seventh bevel gear, one end of the seventh bevel gear is provided with a sixth bevel gear, the inner side of the positioning tube is provided with a first rack penetrating to the outer side of the positioning tube, the outer side of the positioning tube is rotationally connected with a first straight gear meshed with two ends of the first rack through a rotating shaft, the outer side of the first straight gear is provided with a rotating plate, one end of the rotating plate is rotationally connected with a moving sliding block through the rotating shaft, the top of the moving sliding block is slidingly connected with a pushing plate through a sliding groove, two ends of the top of the pushing plate are rotationally connected with rotating wheels through the rotating shaft, the inner side of the rotating wheels is provided with a worm gear positioned above the pushing plate, the top of the pushing plate is rotationally connected with a worm positioned below the worm gear through the rotating shaft, the outside of worm is provided with the second bevel gear, the inboard of push pedal is provided with the first bevel gear of second bevel gear engaged with, the one end of locating tube is provided with runs through to the inboard one-way lead screw of locating tube, the outside of one-way lead screw has cup jointed and is located the inboard movable rack of locating tube, the one end of movable rack is provided with cup joints in the second guide rail of first rack bottom both sides, the inner wall welded fastening of locating tube has and is located the U-shaped frame of first rack below, the inboard of U-shaped frame is connected with the sleeve pipe through the bearing rotation, the outside of sleeve pipe is provided with the eighth bevel gear of engaged with the seventh bevel gear, the inboard sliding connection of eighth bevel gear has the rectangular rod, the top welded fastening of test probe has and runs through to first rack top, and the movable rod is connected with the first bevel gear, the rotating assembly positioned at one end of the sixth bevel gear is distributed on the inner wall of the positioning tube, and an adjusting assembly positioned at the outer side of the L-shaped rotating block is arranged at one end of the positioning tube.
As still further aspects of the invention: the seventh bevel gear and the outside part of sixth bevel gear are provided with the latch, sixth bevel gear and the latch in the outside of seventh bevel gear are complementary form, the inboard of first rack is provided with and is greater than the through-hole of movable rod diameter size, rectangular rod's length, width are all less than the diameter of movable rod, sheathed tube inboard be provided with rectangular through-hole that the rectangular rod agrees with mutually.
As still further aspects of the invention: the rotating assembly comprises a transmission rod which is rotationally connected to the inner wall of the positioning tube through a bearing and is positioned at one end of a sixth bevel gear, a fifth bevel gear meshed with the sixth bevel gear is arranged on the outer side of the transmission rod, a connecting disc below the sixth bevel gear is fixedly welded at the bottom of the transmission rod, a positioning column is fixedly welded at the bottom of the connecting disc, a U-shaped sleeve block is sleeved on the outer side of the positioning column, a limiting plate positioned on the outer side of the U-shaped sleeve block is fixedly welded on the inner wall of the positioning tube, a second rack is fixedly welded at one end of the U-shaped sleeve block, a third bevel gear positioned on the inner side of the positioning tube is fixedly welded at one end of the L-shaped rotating block, a second straight gear meshed with the top of the third bevel gear is rotatably connected to the inner wall of the positioning tube through a rotating shaft, and a fourth bevel gear meshed with the third bevel gear is arranged on the inner side of the second straight gear.
As still further aspects of the invention: the transmission rod is in a superposition state with the central axis of the connecting disc, the circumference of the outer side of the second spur gear is equal to the length of the top of the second rack, and the distance between the positioning column and the circle center of the connecting disc is twice the movable distance of the second rack.
As still further aspects of the invention: the adjusting component comprises a supporting slider arranged at the bottom of the detection probe and in sliding connection with the L-shaped rotating block, a turntable is connected to the outer side of the L-shaped rotating block through a sliding groove in a sliding manner, a positioning disc is connected to the outer side of the turntable through a bearing in a rotating manner, a limit post penetrating through one end of the positioning disc is fixedly welded to one end of the positioning tube, a telescopic spring sleeved on the outer side of the limit post is arranged at one end of the positioning tube, a pull rod positioned at one end of the positioning tube is fixedly welded to one end of the push plate, a fixed pulley positioned below the pull rod is arranged at one end of the positioning tube, a traction rope connected with the positioning disc is arranged at the bottom of the pull rod, and a first guide rail sleeved on two sides of the bottom of the supporting slider is fixedly welded to one end of the turntable.
As still further aspects of the invention: the contained angle between first guided way with support the slider is forty-five degrees, the one end of L shape turning block be provided with support the spout that the slider agrees with mutually, the quantity of spacing post is provided with three, the outside of positioning disk be provided with the through-hole that spacing post agrees with mutually.
As still further aspects of the invention: the utility model discloses a mark mechanism, including the transmission pole with the central axis of connection pad is in the coincidence state, mark mechanism including welded fastening in the L shape locating plate in the locating tube outside, the one end of L shape locating plate is provided with annular cleaning plate, the inboard of L shape locating plate is connected with the rolling pole through the bearing rotation, one side welded fastening of rolling pole has to be located the ratchet in the L shape locating plate outside, the outside of L shape locating plate be connected with through the torsional spring with ratchet outside engaged with, the one end of L shape locating plate is provided with and is located the coating board in annular cleaning plate one side, the inboard of locating tube is provided with runs through to the locating tube outside, and is located the electric putter in coating board one side, the gag lever post is installed to the one end of detector main part, the outside of rolling pole is provided with runs through to annular cleaning plate one end, and with the rubber measuring rope that the gag lever post is connected.
As still further aspects of the invention: the outside of rubber volume rope is provided with the scale mark, the rubber volume rope with the diameter size of annular cleaning plate inner wall is equal, the width of gag lever post is greater than the locating tube with the furthest between the runner, electric putter passes through the locating tube with the controller electric connection in the detector main part, the one end of removing the frame be provided with one-way lead screw outside assorted screw hole, the height of second guide rail with first rack movable distance equals, the quantity of push pedal is provided with three, and three the push pedal is followed the central axis equidistance distribution of locating tube.
The invention also discloses a crack detection device and method for the ceramic composite pipe, which comprises the following steps:
s1: when the device is used, the positioning tube can be placed in a pipeline to be detected, the unidirectional screw rod can be rotated, the movable frame can be moved along the unidirectional screw rod when the unidirectional screw rod rotates, so that the second guide rail can press the first rack, the first rack can be stirred to rotate when moving relative to the positioning tube, so that the first straight gear can drive one end of the rotating plate to tilt, and then the push plate can be jacked by matching with the movable sliding block, so that the rotating wheel is contacted with the inner wall of the pipeline;
S2: in the process of moving the push plate relative to the positioning tube, the push plate pulls the traction rope through the pull rod, so that the traction rope pulls the positioning disc, the positioning disc moves along the limiting column, the telescopic spring contracts in the process, so that the positioning disc drives the turntable to move, the turntable drives the first guide rail to move, the first guide rail can squeeze the support slide block when moving, the support slide block moves upwards relative to the L-shaped rotating block through the squeezing of the support slide block, the detection probe can be pushed to move, the distance between the rotating wheel and the detection probe is always kept equal, and the distance between the detection probe and the inner walls of pipelines with different diameters is equal, so that the detection effect is prevented from being influenced by the fact that the distance between the detection probe and the inner walls of the pipelines is larger when equipment is fixed in the pipelines with larger diameters;
s3: then a motor is started, the motor can drive a seventh bevel gear and a sixth bevel gear to rotate when running, when the latch on the outer side of the seventh bevel gear is meshed with the latch on the outer side of the eighth bevel gear, the seventh bevel gear drives the eighth bevel gear to rotate, so that the sleeve drives the rectangular rod to rotate, the rectangular rod can drive the first bevel gear to rotate through the movable rod when rotating, the first bevel gear can drive the worm to rotate through the second bevel gear when rotating, the worm can drive the rotating wheel to rotate through the worm wheel when rotating, the rotating wheel can drive the positioning tube to move when rotating, when the latch on the outer side of the seventh bevel gear is separated from the latch on the outer side of the eighth bevel gear, the sixth bevel gear can stir the fifth bevel gear to rotate, the positioning column can be driven to rotate through the connecting disc when the fifth bevel gear rotates, the U-shaped sleeve block is driven by the positioning column to reciprocate when the connecting disc rotates for one circle, so that the second straight gear can recover after rotating for three hundred and sixty degrees, the second straight gear can drive the third bevel gear to rotate through the fourth bevel gear when rotating, so that the L-shaped rotating block recovers after rotating for three hundred and sixty degrees, the L-shaped rotating block can drive the detection probe to recover after rotating for three hundred and sixty degrees, the detection probe can carry out omnibearing detection on the inner wall of a pipeline at the position, the positioning tube can carry out intermittent movement repeatedly, the inner wall of the pipeline at the stop position of the positioning tube can be detected in omnibearing mode when the positioning tube moves for one distance of the detection probe, the detection range of equipment can be increased, the detection efficiency is improved, and the accuracy of detection data is improved;
S4: in the process that the locating tube moves, the rubber measuring rope wound on the outer side of the winding rod is released by tensile force, the ratchet wheel is stirred to swing in the process, the ratchet wheel cannot limit the ratchet wheel, the distance released by the rubber measuring rope is the distance moved by the locating tube, when the detecting probe detects a crack, an electric signal can be transmitted to the main body of the detector through the connecting wire, the controller in the main body of the detector can control the electric push rod to stretch, the electric push rod can push the rubber measuring rope positioned at one end of the annular cleaning plate to move when stretching, the rubber measuring rope at the position is contacted with the coating plate, the coating on the outer side of the coating plate is adhered to one end of the rubber measuring rope, the distance between the coating adhering position and the limiting rod and the distance between the detecting probe and the electric push rod are the distance between one end of the pipeline and the crack, and the position accurately mastered according to the scale mark of the coating on the outer side of the rubber measuring plate can not change due to the fact that the distance between the detecting probe and the electric push rod is not changed, and convenience is provided for repairing the crack of a subsequent pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. Through setting up detection mechanism and mark mechanism, can place the locating tube in waiting to detect the pipeline inner wall first when using this equipment, afterwards can make the locating tube carry out intermittent type and remove through the removal subassembly in the detection mechanism, the accessible detection mechanism in the detection mechanism makes the test probe rotate when the locating tube stops moving, so can carry out the omnidirectional detection to the inner wall of pipeline repeatedly, thereby increase the detection scope of equipment to pipeline inner wall, detection efficiency has also been improved, accessible mark mechanism carries out mark processing to the detected position after detecting the crackle, provide convenience for the maintenance of follow-up pipeline;
2. through setting up detection mechanism, can make runner and pipeline inner wall contact through rotating unidirectional lead screw, from this alright fix equipment at the pipeline inner wall of different diameter sizes, the accessible adjusting part adjusts the test probe in the process, make the distance between the pipeline inner wall of test probe to different diameter sizes inconvenient, thereby prevent to influence the detection effect because of the distance between test probe to the pipeline inner wall is farther, afterwards the accessible motor's operation makes the locating tube carry out intermittent movement, make the locating tube carry out the omnidirectional detection to pipeline inner wall where the test probe carries out when stopping moving, thereby increase the detection scope of equipment, simultaneously also improved the accuracy of detection;
3. Through setting up marking mechanism, come to release the rolling pole to the rubber measuring rope through the removal of locating tube, the controller in the accessible detector main part makes electric putter function when detecting the crack to this is gone on marking process to the rubber measuring rope of here, and the accessible rubber measuring rope one end is taken out the equipment and is got the distance between crack to pipeline one end to the distance of mark department, for the maintenance of follow-up pipeline, repair provide convenience.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at B in FIG. 1;
FIG. 3 is an enlarged view of FIG. 1A in accordance with the present invention;
FIG. 4 is a side view of a positioning tube of the present invention;
FIG. 5 is a partial cross-sectional view of a positioning tube of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at C in accordance with the present invention;
FIG. 7 is a schematic diagram of the connection of the unidirectional screw with the movable frame of the present invention;
FIG. 8 is a schematic diagram of the connection of the pull rod and the support slider of the present invention;
FIG. 9 is a schematic diagram of the connection of the winding rod and the stop rod according to the present invention;
FIG. 10 is a schematic view of the structure of the push plate of the present invention;
FIG. 11 is a schematic view of the connection of the first rack to the sleeve of the present invention;
fig. 12 is a schematic diagram of the connection pad and the second spur gear of the present invention.
In the figure: 1. a detector body; 2. connecting wires; 3. a positioning tube; 4. a detection mechanism; 401. a push plate; 402. moving the slide block; 403. a rotating wheel; 404. a worm; 405. a first bevel gear; 406. a second bevel gear; 407. a worm wheel; 408. a rotating plate; 409. a detection probe; 410. a support slider; 411. a first guide rail; 412. a limit column; 413. a positioning plate; 414. a telescopic spring; 415. a unidirectional screw rod; 416. a first straight gear; 417. a first rack; 418. a fixed pulley; 419. a traction rope; 420. a turntable; 421. an L-shaped rotating block; 422. a pull rod; 423. positioning columns; 424. a U-shaped frame; 425. a moving rack; 426. a motor; 427. a second guide rail; 428. a connecting disc; 429. a limiting plate; 430. u-shaped sleeve blocks; 431. a second rack; 432. a third bevel gear; 433. a second spur gear; 434. a fourth bevel gear; 435. a transmission rod; 436. a fifth bevel gear; 437. a sixth bevel gear; 438. a seventh bevel gear; 439. a rectangular bar; 440. an eighth bevel gear; 441. a sleeve; 442. a movable rod; 5. a marking mechanism; 501. an L-shaped positioning plate; 502. a ratchet; 503. a ratchet wheel; 504. a rubber measuring rope; 505. a limit rod; 506. an electric push rod; 507. an annular cleaning plate; 508. a winding rod; 509. and (3) coating the plate.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1 to 12, in an embodiment of the present invention, a crack detection device and method for a ceramic composite pipe includes a detector main body 1, one end of the detector main body 1 is connected with a connection wire 2, one end of the connection wire 2 is connected with a positioning pipe 3, detection mechanisms 4 for performing omnibearing detection on pipes with different diameters are distributed on the inner side of the positioning pipe 3 and the outer side of the positioning pipe 3, the detection mechanisms 4 include an L-shaped rotating block 421 rotatably connected to one end of the positioning pipe 3 through a bearing, and a detection probe 409 is provided at the top of the L-shaped rotating block 421;
the end of the positioning tube 3 far away from the connecting wire 2 is distributed with a marking mechanism 5 for adjusting the distance between the detection probe 409 and the inner wall of the pipeline.
In this embodiment:
s1: when the device is used, the positioning tube 3 can be firstly placed on the inner wall of a pipeline to be detected, and then the positioning tube 3 can be intermittently moved through the detection mechanism 4;
s3: when the positioning tube 3 stops moving, the detection probe 409 can be rotated through the operation of the detection mechanism 4, so that the inner wall of the pipeline can be detected in all directions repeatedly, and the inner wall of the pipeline can be detected in all directions repeatedly, so that the detection range of the equipment on the inner wall of the pipeline is increased, and the detection efficiency is also improved;
S2: after the crack is detected, the detection position can be marked by the marking mechanism 5, so that convenience is brought to the maintenance of the subsequent pipeline.
Referring to fig. 1, 3, 4, 5, 6, 7, 8, 10, 11, 12, the detection mechanism 4 further includes a rotating assembly, a moving assembly, and an adjusting assembly, the moving assembly includes a motor 426 disposed on the inner side of the positioning tube 3, an output end of the motor 426 is connected with a seventh bevel gear 438, one end of the seventh bevel gear 438 is provided with a sixth bevel gear 437, a first rack 417 penetrating through the outer side of the positioning tube 3 is disposed on the inner side of the positioning tube 3, a first straight gear 416 engaged with two ends of the first rack 417 is rotatably connected on the outer side of the positioning tube 3 through a rotation shaft, a rotation plate 408 is disposed on the outer side of the first straight gear 416, one end of the rotation plate 408 is rotatably connected with a moving slider 402 through a rotation shaft, a push plate 401 is slidably connected on the top of the moving slider 402 through a sliding groove, two ends of the top of the push plate 401 are rotatably connected with a rotation wheel 403 through the rotation shaft, a worm gear 407 disposed on the inner side of the rotation wheel 403, the top of the push plate 401 is rotationally connected with a worm 404 positioned below the worm wheel 407 through a rotating shaft, the outer side of the worm 404 is provided with a second bevel gear 406, the inner side of the push plate 401 is provided with a first bevel gear 405 meshed with the second bevel gear 406, one end of the positioning tube 3 is provided with a unidirectional screw rod 415 penetrating through the inner side of the positioning tube 3, the outer side of the unidirectional screw rod 415 is sleeved with a movable frame 425 positioned on the inner side of the positioning tube 3, one end of the movable frame 425 is provided with a second guide rail 427 sleeved on two sides of the bottom of the first rack 417, the inner wall of the positioning tube 3 is fixedly welded with a U-shaped frame 424 positioned below the first rack 417, the inner side of the U-shaped frame 424 is rotationally connected with a sleeve 441 through a bearing, the outer side of the sleeve 441 is provided with an eighth bevel gear 440 meshed with the seventh bevel gear 438, the inner side of the eighth bevel gear 440 is slidingly connected with a rectangular rod 439, the top welded fastening of test probe 409 has runs through to first rack 417 top, and is connected with first bevel gear 405 movable rod 442, and the inner wall distribution of positioning tube 3 has the rotating assembly who is located sixth bevel gear 437 one end, and the one end of positioning tube 3 is provided with the adjusting part that is located the L shape turning block 421 outside.
In this embodiment: when the device is used, the positioning tube 3 can be placed in a pipeline to be detected firstly, then the unidirectional screw rod 415 can be rotated, the movable frame 425 can be moved along the unidirectional screw rod 415 when the unidirectional screw rod 415 rotates, so that the second guide rail 427 can press the first rack 417, the first rack 417 can shift the first straight gear 416 to rotate when the first rack 417 moves relative to the positioning tube 3, so that the first straight gear 416 can drive one end of the rotating plate 408 to tilt, then the push plate 401 can be lifted up by matching with the movable sliding block 402, so that the rotating wheel 403 is contacted with the inner wall of the pipeline, the detection probe 409 can move under the action of the adjusting component in the process, so that the detection probe 409 always keeps a certain distance from the inner wall of the pipeline, then the motor 426 is started, and the seventh bevel gear 437 and the sixth bevel gear can be driven to rotate when the motor 426 operates 438, when the latch on the outer side of the seventh bevel gear 438 is meshed with the latch on the outer side of the eighth bevel gear 440, the seventh bevel gear 438 drives the eighth bevel gear 440 to rotate, so that the sleeve 441 drives the rectangular rod 439 to rotate, the rectangular rod 439 can drive the first bevel gear 405 to rotate through the movable rod 442, the first bevel gear 405 can drive the worm 404 to rotate through the second bevel gear 406, the worm 404 can drive the rotating wheel 403 to rotate through the worm wheel 407, the rotating wheel 403 can drive the positioning tube 3 to move, when the latch on the outer side of the seventh bevel gear 438 is separated from the latch on the outer side of the eighth bevel gear 440, the detection probe 409 can rotate through the rotating assembly, so that the detection probe 409 can detect the inner wall of a pipeline at the position in all directions, and the positioning tube 3 can be intermittently moved repeatedly, the detection probe 409 can detect the inner wall of the pipeline where the positioning pipe 3 stops in all directions when the positioning pipe 3 moves for a certain distance, so that the detection range of equipment can be increased, the detection efficiency is improved, the accuracy of detection data is improved, and the detected crack position can be marked through the marking mechanism 5 in the process, so that convenience is provided for repairing and maintaining the subsequent pipeline.
Referring to fig. 5, 6 and 12, the outer sides of the seventh bevel gear 438 and the sixth bevel gear 437 are partially provided with teeth, the teeth of the sixth bevel gear 437 and the outer sides of the seventh bevel gear 438 are complementary, the inner side of the first rack 417 is provided with a through hole larger than the diameter of the movable rod 442, the length and width of the rectangular rod 439 are smaller than the diameter of the movable rod 442, and the inner side of the sleeve 441 is provided with a rectangular through hole matching with the rectangular rod 439.
In this embodiment: by arranging the structure, when the latch on the outer side of the seventh bevel gear 438 is meshed with the latch on the outer side of the eighth bevel gear 440, the seventh bevel gear 438 drives the eighth bevel gear 440 to rotate, at this time, the latch on the outer side of the sixth bevel gear 437 is in a separated state from the latch on the outer side of the fifth bevel gear 436, and when the latch on the outer side of the seventh bevel gear 438 is separated from the latch on the outer side of the eighth bevel gear 440, the sixth bevel gear 437 rotates the fifth bevel gear 436 so as to rotate the connecting disc 428, so that the L-shaped rotating block 421 rotates, and thus the inner wall of the pipeline can be detected in all directions, and the detection range is increased.
Referring to fig. 1, 4, 5, 6 and 12, the rotating assembly includes a transmission rod 435 rotatably connected to an inner wall of the positioning tube 3 through a bearing and located at one end of the sixth bevel gear 437, a fifth bevel gear 436 meshed with the sixth bevel gear 437 is disposed at an outer side of the transmission rod 435, a connection disc 428 meshed with a top of the second bevel gear 437 is fixedly welded at a bottom of the transmission rod 435, a positioning column 423 is fixedly welded at a bottom of the connection disc 428, a U-shaped sleeve block 430 is sleeved at an outer side of the positioning column 423, a limiting plate 429 located at an outer side of the U-shaped sleeve block 430 is fixedly welded at an inner wall of the positioning tube 3, a second rack 431 is fixedly welded at one end of the U-shaped sleeve block 430, a third bevel gear 432 located at an inner side of the positioning tube 3 is fixedly welded at one end of the third bevel gear 432, a second spur gear 433 meshed with a top of the second rack 431 is rotatably connected at an inner side of the positioning tube 3, and a fourth bevel gear 434 meshed with the third bevel gear 432 is disposed at an inner side of the second spur gear 433.
In this embodiment: when the latch on the outer side of the seventh bevel gear 438 is separated from the latch on the outer side of the eighth bevel gear 440, the sixth bevel gear 437 rotates the fifth bevel gear 436, the positioning post 423 is driven to rotate by the connecting disc 428 when the fifth bevel gear 436 rotates, so that the positioning tube 3 is driven to reciprocate by the positioning post 423 when the connecting disc 428 rotates for one turn, the second spur gear 433 rotates for three hundred sixty degrees, the third bevel gear 432 is driven to rotate by the fourth bevel gear 434 when the second spur gear 433 rotates, so that the L-shaped rotating block 421 returns after rotating for three hundred sixty degrees, the L-shaped rotating block 421 drives the detecting probe 409 to rotate for three hundred sixty degrees, so that the detecting probe 409 performs all-round detection on the inner wall of the pipeline at the position, and the positioning tube 3 can perform all-round detection on the inner wall of the pipeline at the position where the positioning tube 3 stops when the positioning tube 3 moves for one distance from the detecting probe 409 repeatedly, so that the detecting range of the equipment can be increased.
Referring to fig. 12, the central axes of the driving rod 435 and the connecting disc 428 are in a coincident state, the outer circumference of the second spur gear 433 is equal to the length of the top of the second rack 431, and the distance between the positioning post 423 and the center of the connecting disc 428 is twice the movable distance of the second rack 431.
In this embodiment: through setting up this structure and making transfer line 435 pull U-shaped cover piece 430 when rotating along with connection pad 428, connection pad 428 drives transfer line 435 and rotates the round alright make second rack 431 stir second spur gear 433 and rotate three hundred sixty degrees back and recover to make L shape rotor 421 drive detection probe 409 and recover after three hundred sixty degrees, thereby prevent that detection probe 409 and the connecting wire 2 that detector main part 1 is connected from taking place to twine, for equipment provides convenience to the detection of pipeline inner wall crackle.
Referring to fig. 1, 4, 5 and 8, the adjusting assembly includes a supporting slider 410 disposed at the bottom of the detecting probe 409 and slidably connected with an L-shaped rotating block 421, a turntable 420 slidably connected with the outer side of the L-shaped rotating block 421 via a chute, a positioning disc 413 rotatably connected with the outer side of the turntable 420 via a bearing, a limiting post 412 penetrating through one end of the positioning disc 413, a telescopic spring 414 sleeved at the outer side of the limiting post 412 disposed at one end of the positioning tube 3, a pull rod 422 disposed at one end of the push plate 401 disposed at one end of the positioning tube 3 disposed at one end of the pull rod 422, a traction rope 419 connected with the positioning disc 413 disposed at the bottom of the pull rod 422, and a first guide rail 411 sleeved at two sides of the bottom of the supporting slider 410 disposed at one end of the turntable 420.
In this embodiment: after the positioning tube 3 is placed in a pipeline, the distance between the push plate 401 and the outer wall of the positioning tube 3 can be adjusted by rotating the unidirectional screw rod 415, so that the rotating wheel 403 is contacted with the inner wall of the pipeline, the positioning tube 3 can be fixed in pipelines with different diameters, in the process that the push plate 401 moves relative to the positioning tube 3, the push plate 401 pulls the pulling rope 419 through the pull rod 422, so that the pulling rope 419 pulls the positioning disc 413, the positioning disc 413 moves along the limiting column 412, the telescopic spring 414 contracts in the process, the positioning disc 413 drives the rotating disc 420 to move, the rotating disc 420 drives the first guide rail 411 to move, the first guide rail 411 can squeeze the supporting sliding block 410 when moving, the supporting slider 410 is pushed up relative to the L-shaped rotating block 421 by extrusion of the supporting slider 410, so that the detecting probe 409 can be pushed to move, the distance between the rotating wheel 403 and the detecting probe 409 is always kept equal, the distance between the detecting probe 409 and the inner walls of pipelines with different diameters is equal, the detecting effect of the detecting probe 409 is prevented from being influenced due to the fact that the distance between the detecting probe 409 and the inner walls of the pipelines is large when equipment is fixed in the pipelines with larger diameters, the rotating disc 420 can be driven to rotate when the L-shaped rotating block 421 rotates relative to the positioning pipe 3, the rotating disc 420 can rotate relative to the positioning disc 413, and the position of the detecting probe 409 can be adjusted by the assembly under the condition that the integral operation of the detecting mechanism 4 is not influenced, so that the accuracy of detecting data is improved.
Referring to fig. 1, 4, 5 and 8, the included angle between the first guide rail 411 and the supporting slider 410 is forty-five degrees, one end of the L-shaped rotating block 421 is provided with three sliding grooves matching with the supporting slider 410, the number of the limiting columns 412 is three, and the outer side of the positioning disc 413 is provided with through holes matching with the limiting columns 412.
In this embodiment: when the pull rod 422 moves along with the push plate 401 by arranging the structure, the pull rod 422 pulls the positioning disc 413 to move towards one end of the positioning tube 3 through the traction rope 419, so that the rotary table 420 can drive the first guide rail 411 to move, at the moment, the supporting sliding block 410 can move upwards due to extrusion of the first guide rail 411, so that the rising distance of the pull rod 422 is equal to the rising distance of the detection probe 409, the distance between the detection probe 409 and the rotating wheel 403 is always equal, and the distance between the detection probe 409 and the inner wall of the pipeline is always equal when the positioning tube 3 is fixed in pipelines with different diameters, so that the detection effect is prevented from being influenced by the fact that the distance between the detection probe 409 and the inner wall of the pipeline is larger.
Referring to fig. 1, 2 and 9, the marking mechanism 5 includes an L-shaped positioning plate 501 welded and fixed on the outer side of the positioning tube 3, an annular cleaning plate 507 is disposed at one end of the L-shaped positioning plate 501, a winding rod 508 is rotatably connected to the inner side of the L-shaped positioning plate 501 through a bearing, a ratchet 503 disposed on the outer side of the L-shaped positioning plate 501 is welded and fixed on one side of the winding rod 508, a ratchet 502 engaged with the outer side of the ratchet 503 is connected to the outer side of the L-shaped positioning plate 501 through a torsion spring, a coating plate 509 disposed on one side of the annular cleaning plate 507 is disposed at one end of the L-shaped positioning plate 501, a limiting rod 505 is disposed on the inner side of the positioning tube 3 and disposed on one side of the coating plate 509, and a rubber measuring rope 504 disposed on one end of the annular cleaning plate 507 and connected to the limiting rod 505 is disposed on the outer side of the winding rod 508.
In this embodiment: when the device is used, the detector main body 1 can be placed at one end of a pipeline, one end of the limiting rod 505 is attached to one end of the pipeline, the positioning pipe 3 can be fixed on the inner wall of the pipeline through the detecting mechanism 4, then the positioning pipe 3 can be intermittently moved through the operation of the motor 426 in the detecting mechanism 4, the detecting probe 409 can be rotated along the central axis of the positioning pipe 3 when the positioning pipe 3 stops moving, so that the inner wall of the pipeline can be comprehensively detected, when the positioning pipe 3 moves relative to the limiting rod 505 under the operation of the detecting mechanism 4, the rubber measuring rope 504 wound on the outer side of the winding rod 508 is released under the pulling force, the ratchet 503 can stir the ratchet 502 to swing in the process, the ratchet 503 can not limit the ratchet 503 in the process, so that the distance released by the rubber measuring rope 504 is the distance moved by the positioning pipe 3, when the detection probe 409 detects a crack, an electric signal can be transmitted to the detector main body 1 through the connecting wire 2, at the moment, the controller in the detector main body 1 controls the electric push rod 506 to stretch, when the electric push rod 506 stretches, the rubber measuring rope 504 positioned at one end of the annular cleaning plate 507 is pushed to move, so that the rubber measuring rope 504 at the position contacts with the paint plate 509, paint outside the paint plate 509 is adhered to one end of the rubber measuring rope 504, the distance between the adhered paint position and the limiting rod 505 and the distance between the detection probe 409 and the electric push rod 506 are the distance between one end of the pipeline and the crack position, as the distance between the detection probe 409 and the electric push rod 506 does not change, the position of the crack can be accurately mastered according to the scale mark of the paint outside the rubber measuring rope 504, the device provides convenience for repairing the subsequent pipeline, and the marked part can be wiped through friction between the rubber measuring rope 504 and the annular cleaning plate 507 when the rubber measuring rope 504 is wound later, so that convenience is provided for using subsequent equipment.
Referring to fig. 1, 7, 10 and 11, scale marks are arranged on the outer side of the rubber measuring rope 504, the diameters of the rubber measuring rope 504 and the inner wall of the annular cleaning plate 507 are equal, the width of the limiting rod 505 is larger than the farthest distance between the positioning tube 3 and the rotating wheel 403, the electric push rod 506 is electrically connected with a controller in the detector main body 1 through the positioning tube 3, one end of the moving frame 425 is provided with a threaded hole matched with the outer side of the unidirectional screw rod 415, the height of the second guide rail 427 is equal to the movable distance of the first rack 417, the number of pushing plates 401 is three, and the three pushing plates 401 are distributed equidistantly along the central axis of the positioning tube 3.
In this embodiment: through setting up this structure and making unidirectional screw 415 rotate the time second guide rail 427 just receive the spacing of first rack 417 bottom, so alright make movable frame 425 receive spacing, thereby make movable frame 425 remove along unidirectional screw 415, so alright second guide rail 427 along with the removal of movable frame 425 press the bottom of first rack 417, so make the first rack 417 in the locating tube 3 outside fold towards the central axis department of locating tube 3, so stir first straight gear 416 and rotate, thereby make locating tube 3 support at the pipeline inner wall under the operation of runner 403, push pedal 401, can make the central axis of locating tube 3 and the central axis of pipeline be in the coincidence state simultaneously, provide convenience for the detection of follow-up pipeline.
The following provides a crack detection device and method for a ceramic composite pipe by combining the crack detection device and method for the ceramic composite pipe, which specifically comprises the following steps:
s1: when the device is used, the positioning tube 3 can be placed in a pipeline to be detected firstly, then the unidirectional screw rod 415 can be rotated, the movable frame 425 can be moved along the unidirectional screw rod 415 when the unidirectional screw rod 415 rotates, so that the second guide rail 427 can press the first rack 417, the first rack 417 can stir the first straight gear 416 to rotate when the first rack 417 moves relative to the positioning tube 3, so that the first straight gear 416 drives one end of the rotating plate 408 to tilt, and then the push plate 401 can be jacked up by matching with the movable sliding block 402, so that the rotating wheel 403 is contacted with the inner wall of the pipeline;
s2: in the process of moving the push plate 401 relative to the positioning tube 3, the push plate 401 pulls the pulling rope 419 through the pull rod 422, so that the pulling rope 419 pulls the positioning disc 413, the positioning disc 413 moves along the limiting column 412, and the telescopic spring 414 contracts in the process, so that the positioning disc 413 drives the turntable 420 to move, so that the turntable 420 drives the first guide rail 411 to move, the first guide rail 411 can squeeze the supporting slide block 410 when moving, the supporting slide block 410 moves upwards relative to the L-shaped rotating block 421 through the squeezing of the supporting slide block 410, so that the detecting probe 409 can be pushed to move, the distance between the rotating wheel 403 and the detecting probe 409 is always kept equal, so that the distance between the detecting probe 409 and the inner walls of pipelines with different diameters is equal, and the detecting effect is prevented from being influenced by the fact that the distance between the detecting probe 409 and the inner walls of the pipelines is larger when the equipment is fixed in the pipelines with larger diameters;
S3: then the motor 426 is started, the motor 426 can drive the seventh bevel gear 438 and the sixth bevel gear 437 to rotate when operating, when the latch on the outer side of the seventh bevel gear 438 is meshed with the latch on the outer side of the eighth bevel gear 440, the seventh bevel gear 438 drives the eighth bevel gear 440 to rotate, so that the sleeve 441 drives the rectangular rod 439 to rotate, the movable rod 442 can drive the first bevel gear 405 to rotate when the rectangular rod 439 rotates, the worm 404 can drive the worm 404 to rotate through the second bevel gear 406 when the first bevel gear 405 rotates, the worm 404 can drive the runner 403 to rotate through the worm gear 407, the positioning tube 3 can be driven to move when the runner 403 rotates, the sixth bevel gear 437 can stir the fifth bevel gear 436 to rotate when the latch on the outer side of the seventh bevel gear 438 is separated from the latch on the outer side of the eighth bevel gear 440, the fifth bevel gear 436 rotates to drive the positioning post 423 through the connecting disc 428, so that the U-shaped sleeve block 430 is driven to reciprocate through the positioning post 423 when the connecting disc 428 rotates for one turn, thus the second spur gear 433 recovers after rotating for three hundred and sixty degrees, the second spur gear 433 rotates to drive the third bevel gear 432 through the fourth bevel gear 434, thus the L-shaped rotating block 421 recovers after rotating for three hundred and sixty degrees, the L-shaped rotating block 421 drives the detecting probe 409 to recover after rotating for three hundred and sixty degrees, thus the detecting probe 409 detects the inner wall of the pipeline at the position, the positioning pipe 3 can intermittently move repeatedly, the inner wall of the pipeline at the stop position of the positioning pipe 3 can be detected in all directions when the positioning pipe 3 moves for a certain distance from the detecting probe 409, therefore, the detection range of the equipment can be increased, the detection efficiency is improved, and the accuracy of detection data is improved;
S4: in the process of moving the positioning tube 3, the rubber measuring rope 504 wound on the outer side of the winding rod 508 is pulled to release, the ratchet 503 is stirred to swing the ratchet 502 in the process, the ratchet 502 cannot limit the ratchet 503 in the process, so that the distance released by the rubber measuring rope 504 is the distance moved by the positioning tube 3, when the detection probe 409 detects a crack, an electric signal can be transmitted to the detector main body 1 through the connecting wire 2, at the moment, a controller in the detector main body 1 can control the electric push rod 506 to stretch, the electric push rod 506 can push the rubber measuring rope 504 positioned at one end of the annular cleaning plate 507 to move when stretching, and the rubber measuring rope 504 at the position is contacted with the paint plate 509, so that paint on the outer side of the paint plate 509 is adhered to one end of the rubber measuring rope 504, the distance between the adhered paint position and the limit rod 505 is the distance between one end of a pipeline and a crack position, and the distance between the detection probe 409 and the electric push rod 506 is not changed due to the fact that the distance between the detection probe 409 and the electric push rod 506 cannot change, and the position of the crack can be accurately mastered according to the position of the rubber measuring rope 507, and the position of the crack can be conveniently repaired.
The foregoing description 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 solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a ceramic composite pipe crack detection device, includes detector main part (1), the one end of detector main part (1) is connected with connecting wire (2), the one end of connecting wire (2) is connected with positioning tube (3), its characterized in that, the inboard of positioning tube (3) and the outside distribution of positioning tube (3) have detection mechanism (4) that are used for carrying out the omnidirectional detection to the pipeline of different diameter sizes, detection mechanism (4) including rotate connect in through the bearing L shape rotating block (421) of positioning tube (3) one end, the top of L shape rotating block (421) is provided with test probe (409);
a marking mechanism (5) for adjusting the distance between the detection probe (409) and the inner wall of the pipeline is distributed at one end of the positioning pipe (3) far away from the connecting wire (2);
The detection mechanism (4) further comprises a rotating assembly, a moving assembly and an adjusting assembly; the rotating component, the moving component and the adjusting component are mutually matched; wherein the moving assembly comprises a motor (426) arranged on the inner side of the positioning tube (3), a seventh bevel gear (438) is connected to the output end of the motor (426), a sixth bevel gear (437) is arranged at one end of the seventh bevel gear (438), a first rack (417) penetrating through the outer side of the positioning tube (3) is arranged on the inner side of the positioning tube (3), a first straight gear (416) meshed with two ends of the first rack (417) is rotatably connected to the outer side of the positioning tube (3) through a rotating shaft, a rotating plate (408) is arranged on the outer side of the first straight gear (416), a moving sliding block (402) is rotatably connected to one end of the rotating plate (408) through a rotating shaft, a pushing plate (401) is slidably connected to the top of the moving sliding block (402) through a sliding groove, a rotating wheel (403) is rotatably connected to two ends of the top of the pushing plate (401), a rotating shaft (417) above the pushing plate (401) is arranged on the inner side of the rotating wheel (403), a worm gear (407) is rotatably connected to the top of the pushing plate (401), a worm (406) is meshed with a second bevel gear (406) below the worm (404) through the rotating shaft (407), one end of the positioning tube (3) is provided with a unidirectional screw rod (415) penetrating through the inner side of the positioning tube (3), a movable frame (425) positioned on the inner side of the positioning tube (3) is sleeved on the outer side of the unidirectional screw rod (415), one end of the movable frame (425) is provided with a second guide rail (427) sleeved on the two sides of the bottom of the first rack (417), the inner wall of the positioning tube (3) is fixedly welded with a U-shaped frame (424) positioned below the first rack (417), the inner side of the U-shaped frame (424) is rotatably connected with a sleeve (441) through a bearing, an eighth bevel gear (440) meshed with the seventh bevel gear (438) is arranged on the outer side of the sleeve (441), a rectangular rod (439) is connected on the inner side of the eighth bevel gear (440), a movable rod (442) penetrating through the top of the first rack (417) and connected with the first bevel gear (405) is fixedly welded on the top of the detection probe (409), the inner wall of the positioning tube (3) is provided with a rotating assembly 437 positioned on the outer side of the positioning tube (3);
The seventh bevel gear (438) and the sixth bevel gear (437) are provided with teeth at the outer sides, the sixth bevel gear (437) and the teeth at the outer sides of the seventh bevel gear (438) are in a complementary shape, the inner side of the first rack (417) is provided with a through hole larger than the diameter of the movable rod (442), the length and the width of the rectangular rod (439) are smaller than the diameter of the movable rod (442), and the inner side of the sleeve (441) is provided with a rectangular through hole matched with the rectangular rod (439);
the rotary assembly comprises a transmission rod (435) which is rotationally connected to the inner wall of a positioning tube (3) through a bearing and is positioned at one end of a sixth bevel gear (437), a fifth bevel gear (436) meshed with the sixth bevel gear (437) is arranged on the outer side of the transmission rod (435), a connecting disc (428) which is positioned below the sixth bevel gear (437) is fixedly welded at the bottom of the transmission rod (435), a positioning column (423) is fixedly welded at the bottom of the connecting disc (428), a U-shaped sleeve block (430) is sleeved on the outer side of the positioning column (423), a limiting plate (429) positioned on the outer side of the U-shaped sleeve block (430) is fixedly welded at the inner wall of the positioning tube (3), a second rack (431) is fixedly welded at one end of the U-shaped sleeve block (430), a third bevel gear (432) positioned on the inner side of the positioning tube (3) is fixedly welded at one end of the welding machine, the inner wall of the positioning tube (3) is rotationally connected with a positioning column (423), and the inner side of the third bevel gear (432) is meshed with the second rack (433) through rotation, and the top of the fourth bevel gear (433) is meshed with the fourth bevel gear (433);
The utility model provides a measuring probe, including adjusting part, including set up in measuring probe (409) bottom, and with L shape dwang (421) sliding connection's supporting shoe (410), the outside of L shape dwang (421) is through spout sliding connection has carousel (420), the outside of carousel (420) is connected with positioning disk (413) through the bearing rotation, the one end welded fastening of positioning tube (3) has run through to spacing post (412) of positioning disk (413) one end, the one end of positioning tube (3) be provided with cup joint in telescopic spring (414) in spacing post (412) outside, the one end welded fastening of push pedal (401) be located pull rod (422) of positioning tube (3) one end, the one end of positioning tube (3) is provided with be located fixed pulley (418) of pull rod (422) below, the bottom of pull rod (422) be provided with haulage rope (419) that positioning disk (413) link to each other, carousel (420) one end welded fastening have cup joint in first guide rail (411) of supporting shoe (410) bottom both sides.
2. The crack detection device for the ceramic composite tube according to claim 1, wherein the transmission rod (435) and the central axis of the connecting disc (428) are in a superposition state, the outer circumference of the second spur gear (433) is equal to the length of the top of the second rack (431), and the distance between the positioning post (423) and the center of the connecting disc (428) is twice the movable distance of the second rack (431).
3. The crack detection device for the ceramic composite tube according to claim 1, wherein an included angle between the first guide rail (411) and the supporting sliding block (410) is forty-five degrees, one end of the L-shaped rotating block (421) is provided with sliding grooves matched with the supporting sliding block (410), the number of the limiting columns (412) is three, and through holes matched with the limiting columns (412) are formed in the outer side of the positioning disc (413).
4. A ceramic composite pipe crack detection device according to claim 3, characterized in that the marking mechanism (5) comprises an L-shaped positioning plate (501) welded and fixed on the outer side of the positioning pipe (3), one end of the L-shaped positioning plate (501) is provided with an annular cleaning plate (507), the inner side of the L-shaped positioning plate (501) is rotatably connected with a winding rod (508) through a bearing, one side of the winding rod (508) is welded and fixed with a ratchet wheel (503) positioned on the outer side of the L-shaped positioning plate (501), the outer side of the L-shaped positioning plate (501) is connected with a ratchet wheel (502) meshed with the outer side of the ratchet wheel (503) through a torsion spring, one end of the L-shaped positioning plate (501) is provided with a coating plate (509) positioned on one side of the annular cleaning plate (507), the inner side of the positioning pipe (3) is provided with an electric push rod (506) penetrating through the outer side of the positioning pipe (3), one end of the winding rod (505) of the detector body (1) is provided with a limit rod (505), and the outer side of the limit rod (507) is connected with a limit rope (507).
5. The device for detecting cracks of ceramic composite pipes according to claim 4, wherein graduation marks are arranged on the outer side of the rubber measuring rope (504), the diameters of the rubber measuring rope (504) and the inner wall of the annular cleaning plate (507) are equal, the width of the limiting rod (505) is larger than the farthest distance between the positioning pipe (3) and the rotating wheel (403), the electric push rod (506) is electrically connected with a controller in the detector main body (1) through the positioning pipe (3), a threaded hole matched with the outer side of the unidirectional screw rod (415) is formed in one end of the movable frame (425), the height of the second guide rail (427) is equal to the movable distance of the first guide rail (417), the number of the push plates (401) is three, and the three push plates (401) are distributed equidistantly along the central axis of the positioning pipe (3).
6. A method for detecting cracks of a ceramic composite pipe, characterized in that the method and the device for detecting cracks of the ceramic composite pipe according to any one of claims 1 to 5 are adopted, and the method comprises the following steps:
s1: when the device is used, the positioning tube (3) is placed in a pipeline to be detected, the unidirectional screw rod (415) can be rotated, the movable frame (425) can be moved along the unidirectional screw rod (415) when the unidirectional screw rod (415) rotates, so that the second guide rail (427) can be used for pressing the first rack (417), the first straight gear (416) can be stirred to rotate when the first rack (417) moves relative to the positioning tube (3), so that the first straight gear (416) drives one end of the rotary plate (408) to tilt, and then the push plate (401) can be jacked up by matching with the movable sliding block (402), so that the rotating wheel (403) is contacted with the inner wall of the pipeline;
S2: in the process of moving the push plate (401) relative to the positioning tube (3), the push plate (401) pulls the pulling rope (419) through the pull rod (422), so that the pulling rope (419) pulls the positioning plate (413), the positioning plate (413) moves along the limiting column (412), the telescopic spring (414) contracts in the process, so that the positioning plate (413) drives the turntable (420) to move, the turntable (420) drives the first guide rail (411) to move, the first guide rail (411) can squeeze the supporting sliding block (410) when moving, the supporting sliding block (410) can move upwards relative to the L-shaped rotating block (421) through the squeezing of the supporting sliding block (410), so that the detection probe (409) can be pushed to move, the distance between the rotating wheel (403) and the detection probe (409) is always kept equal, the distance between the detection probe (409) and inner walls with different diameters is equal, and the distance between the detection probe (409) and the inner walls of the pipeline is prevented from affecting the detection effect when the pipeline is fixed in the pipeline;
s3: then the motor (426) is started, the motor (426) can drive the seventh bevel gear (438) and the sixth bevel gear (437) to rotate when running, when the latch on the outer side of the seventh bevel gear (438) is meshed with the latch on the outer side of the eighth bevel gear (440), the seventh bevel gear (438) drives the eighth bevel gear (440) to rotate, so that the sleeve (441) drives the rectangular rod (439) to rotate, the rectangular rod (439) can drive the first bevel gear (405) to rotate through the movable rod (442) when rotating, the first bevel gear (405) can drive the worm (404) to rotate through the second bevel gear (406) when rotating, the worm (404) can drive the runner (403) to rotate through the worm wheel (407), the positioning tube (3) can be driven to move when the latch on the outer side of the seventh bevel gear (438) is separated from the latch on the outer side of the eighth bevel gear (440), the sixth bevel gear (436) can drive the fifth bevel gear (436) to rotate, the connecting disc (436) can drive the first bevel gear (405) to rotate through the movable rod (428) when rotating, the positioning disc (423) can drive the positioning disc (430) to rotate through the positioning disc (428) when driving the positioning disc (423) to rotate, so that the second straight gear (433) can recover after rotating three hundred sixty degrees, the second straight gear (433) can drive the third bevel gear (432) to rotate through the fourth bevel gear (434) when rotating, so that the L-shaped rotating block (421) recovers after rotating three hundred sixty degrees, so that the L-shaped rotating block (421) drives the detection probe (409) to rotate three hundred sixty degrees and recover, so that the detection probe (409) carries out omnibearing detection on the inner wall of a pipeline at the position, and the positioning pipe (3) can be intermittently moved repeatedly, so that the inner wall of the pipeline at the stop position of the positioning pipe (3) can be comprehensively detected by the detection probe (409) when the positioning pipe (3) moves for a certain distance, the detection range of equipment can be increased, the detection efficiency is improved, and the accuracy of detection data is improved;
S4: during the movement of the positioning tube (3), the rubber measuring rope (504) wound on the outer side of the winding rod (508) is released by pulling force, the ratchet wheel (503) is used for pulling the ratchet wheel (502) to swing during the process, the ratchet wheel (502) cannot limit the ratchet wheel (503), so that the distance released by the rubber measuring rope (504) is the distance moved by the positioning tube (3), when the detection probe (409) detects a crack, an electric signal can be transmitted to the detector main body (1) through the connecting wire (2), at the moment, a controller in the detector main body (1) can control the electric push rod (506) to stretch, the electric push rod (506) can push the rubber measuring rope (504) positioned at one end of the annular cleaning plate (507) to move during the stretching, the rubber measuring rope (504) at the position is contacted with the coating plate (509), the coating on the outer side of the coating plate (509) is adhered to one end of the rubber measuring rope (504), when the detection probe (409) detects the crack, the distance between the electric push rod (506) and the outer side of the electric push rod (506) is not changed according to the detected crack, and the distance between the electric push rod (506) and the position of the electric push rod can not be controlled, and convenience is provided for the subsequent repair of the pipeline.
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| CN114755246A (en) * | 2022-05-07 | 2022-07-15 | 江西容大建工集团有限公司 | Nondestructive inner wall detection device for municipal pipeline |
| CN217687161U (en) * | 2022-06-06 | 2022-10-28 | 天津昕田管道科技有限公司 | Pipeline undercoating detection device |
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