CN111751449A - Detection apparatus for detect steel inside crack through ultrasonic wave - Google Patents
Detection apparatus for detect steel inside crack through ultrasonic wave Download PDFInfo
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- CN111751449A CN111751449A CN202010730500.6A CN202010730500A CN111751449A CN 111751449 A CN111751449 A CN 111751449A CN 202010730500 A CN202010730500 A CN 202010730500A CN 111751449 A CN111751449 A CN 111751449A
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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
- 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
- G01N29/048—Marking the faulty objects
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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
- G01N29/225—Supports, positioning or alignment in moving situation
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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
- G01N2291/0234—Metals, e.g. steel
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a detection device for detecting internal cracks of steel by ultrasonic waves, which comprises a case, wherein a working cavity is arranged in the case, a motor positioned on the right side of the working cavity is fixedly arranged in the case, a driving shaft is fixedly arranged on an output shaft on the left side of the motor, the driving shaft extends into the working cavity and is rotatably connected into the left wall of the working cavity, a belt pulley is fixedly arranged on the driving shaft in the working cavity, a conveying belt is connected between the belt pulley and other belt pulleys, and steel is placed on the upper side of the conveying belt.
Description
Technical Field
The invention relates to the field of steel quality detection, in particular to a detection device for detecting internal cracks of steel through ultrasonic waves.
Background
With the development of the times, the current houses are initially constructed by using steel structures to complete primary structure construction, the steel structures mainly comprise beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and the rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer.
In order to ensure the quality of a steel structure, the initial steel material needs to be inspected, the quality inspection of the steel structure at present mainly determines the total quality of the steel material through sampling investigation of the steel material, but the steel material may have internal cracks and other problems due to transportation and other problems, so that the stability of the steel structure is reduced, and in order to detect the cracks and other inside the steel material, ultrasonic flaw detection, infrared scanning and the like can be performed.
Disclosure of Invention
The technical problem is as follows: at present, the detection of the internal structure of the steel depends on manpower relatively, and a device capable of detecting the internal structure of the steel more efficiently needs to be designed.
In order to solve the problems, the embodiment designs a detection device for detecting the internal cracks of the steel by ultrasonic waves, and the detection device for detecting the internal cracks of the steel by ultrasonic waves comprises a case, wherein a working chamber is arranged in the case, a motor positioned on the right side of the working chamber is fixedly arranged in the case, a driving shaft is fixedly arranged on an output shaft on the left side of the motor, the driving shaft extends into the working chamber and is rotatably connected into the left wall of the working chamber, belt wheels are fixedly arranged on the driving shaft in the working chamber, a conveying belt is connected between the belt wheels and other belt wheels, the steel is placed on the upper side of the conveying belt, the motor can be started to drive the driving shaft so as to drive the steel to move forwards through the belt wheels and the conveying belt, bilaterally symmetrical jacking chambers are arranged on the left inner wall and the right inner wall, a top pressure spring is connected between the top pressure rod and the inner wall of the top pressure cavity, a top pressure plate in contact with the steel is fixedly arranged on the top pressure rod, the top pressure spring can enable the top pressure plate to clamp the steel through the top pressure rod, a sliding cavity connected to the upper side of the working cavity is arranged in the case, a sliding box capable of moving up and down is connected in the sliding cavity in a sliding manner, a position adjusting device capable of still enabling the motor to drive a transmission part in the sliding box when the height position of the sliding box changes is arranged in the case, a moving box capable of moving left and right is connected to the lower side of the sliding box in a sliding manner, a detector capable of detecting the internal structure of the steel is fixedly arranged at the lower side of the moving box, a detection device capable of driving the moving box to move left and right to completely detect the internal structure of the steel is arranged in the case, and a paint spraying gun positioned at the front side of the, the paint spray gun can carry out paint spraying marking when the detector detects the internal crack of steel and other problems, thereby determining the condition of the internal structure of the steel.
Wherein the position adjusting device comprises a driving cavity which is arranged in the case and connected to the right side of the working cavity, a transmission shaft is rotationally connected to the top wall of the driving cavity, a transmission bevel gear is fixedly arranged on the lower side of the transmission shaft, a driving bevel gear which is engaged with the transmission bevel gear is fixedly arranged on the driving shaft in the driving cavity, a transmission cavity with a right opening is arranged in the sliding box, a driven shaft is rotationally connected to the top wall of the transmission cavity, a driven pulley is fixedly arranged on the driven shaft, a movable pulley is connected to the transmission shaft through a spline, a belt is connected between the movable pulley and the driven pulley, a moving groove which is connected to the right side of the sliding cavity and is positioned on the upper side of the driving cavity is arranged in the case, a connecting rod fixed to the upper side of the sliding box is slidably connected to the moving groove, a, the movable belt wheel is provided with an annular groove, the limiting moving block can limit the upper position and the lower position of the movable belt wheel through the annular groove and does not influence the rotation of the movable belt wheel, and the connecting rod extends into the driving cavity and is fixedly connected to the upper side of the limiting moving block.
Wherein the detection device comprises slider grooves which are arranged in the moving box in a bilateral symmetry manner and are arranged on the left side and the right side of each direction of the opening, sliders are connected in the slider grooves in a sliding manner, a middle rod is connected between the two sliders, limit cavities which are distributed in an array manner are arranged on the upper sides of the slider grooves, an elastic clamping plate which has elasticity and can extend into the limit cavities is fixedly arranged on the upper sides of the sliders, the elastic clamping plate and the limit cavities can change phases to self-lock the positions of the sliders, a middle slider cavity is connected on the front side of the middle rod, a middle slider fixed on the front side of the middle rod is connected in the middle slider cavity in a sliding manner, an oblique slider cavity is connected on the upper side of the middle slider cavity in the moving box, a first oblique slider fixed on the upper side of the middle slider is connected in the oblique slider cavity in a sliding manner, the front wall is rotatably connected with a rotating shaft, a gear is fixedly arranged on the rotating shaft, an inner toothed plate capable of moving up and down is slidably connected with the inner toothed plate, one side tooth surface of the inner toothed plate can be connected with the gear in a meshed mode, a concave plate is fixedly arranged on the inner toothed plate, a second inclined sliding block extending into an inclined sliding block cavity is fixedly arranged on the lower side of the concave plate, the second inclined sliding block is in contact with the first inclined sliding block, the rotating shaft extends into the transmission cavity and is rotatably connected into the rear wall of the transmission cavity, an input bevel gear is fixedly arranged on the rotating shaft in the transmission cavity, and an output bevel gear in meshed connection with the input bevel gear is fixedly arranged on the lower side of a driven shaft.
Advantageously, when said steel material is not placed on the upper side of said conveyor belt, the lower side of said slide box is in contact with the upper side of said pressing plate, said pressing plate is in pressing contact with said moving box by said pressing spring instead of pressing said moving box, thereby increasing the service life of the device.
The invention has the beneficial effects that: compared with the traditional steel internal detection method, the method has the advantages that firstly, the steel internal detection is completed in an electrically driven mode, secondly, the position of the steel can be automatically calibrated, in addition, the method can detect the steel with different widths and different heights, and the steel can be completely detected.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at "A";
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 2;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 5, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a detection device for detecting internal cracks of steel by ultrasonic waves, which is further explained by combining the attached drawings of the invention: the invention relates to a device for detecting internal cracks of steel by ultrasonic waves, which comprises a case 11, wherein a working cavity 61 is arranged in the case 11, a motor 23 positioned on the right side of the working cavity 61 is fixedly arranged in the case 11, a driving shaft 21 is fixedly arranged on an output shaft on the left side of the motor 23, the driving shaft 21 extends into the working cavity 61 and is rotatably connected into the left wall of the working cavity 61, a belt pulley 20 is fixedly arranged on the driving shaft 21 in the working cavity 61, a conveying belt 19 is connected between the belt pulley 20 and other belt pulleys, steel 18 is arranged on the upper side of the conveying belt 19, the motor 23 can drive the driving shaft 21 to drive the steel 18 to move forwards through the belt pulley 20 and the conveying belt 19, the left and right inner walls of the working cavity 61 are provided with bilaterally symmetrical jacking cavities 15, a jacking rod 17 is slidably connected in the jacking cavity 15, and a jacking spring 16 is connected between the jacking rod 17 and the inner wall of the, a top pressure plate 54 contacting with the steel material 18 is fixedly arranged on the top pressure rod 17, the top pressure spring 16 can enable the top pressure plate 54 to clamp the steel material 18 through the top pressure rod 17, a sliding cavity 12 connected to the upper side of the working cavity 61 is arranged in the case 11, a sliding box 13 capable of moving up and down is connected in the sliding cavity 12 in a sliding manner, a position adjusting device 101 capable of still enabling the motor 23 to drive a transmission part in the sliding box 13 when the height position of the sliding box 13 changes is arranged in the case 11, a moving box 38 capable of moving left and right is connected to the lower side of the sliding box 13 in a sliding manner, a detector 45 capable of detecting the internal structure of the steel material 18 is fixedly arranged on the lower side of the moving box 38, a detecting device 102 capable of driving the moving box 38 to move left and right to completely detect the internal structure of the steel material 18 is arranged in the case 11, and a paint spraying gun 60 positioned on the front side of the top pressure plate 54 is, the paint gun 60 can perform a paint mark when the detector 45 detects a problem such as a crack in the steel, thereby specifying the internal structure of the steel.
According to the embodiment, the positioning device 101 is described in detail below, the positioning device 101 includes a driving cavity 62 disposed in the machine case 11 and connected to the right side of the working cavity 61, a driving shaft 25 is rotatably connected to the top wall of the driving cavity 62, a driving bevel gear 24 is fixedly disposed on the lower side of the driving shaft 25, a driving bevel gear 22 engaged with the driving bevel gear 24 is fixedly disposed on the driving shaft 21 in the driving cavity 62, a driving cavity 37 with a right opening is disposed in the sliding box 13, a driven shaft 33 is rotatably connected to the top wall of the driving cavity 37, a driven pulley 34 is fixedly disposed on the driven shaft 33, a moving pulley 30 is splined to the driving shaft 25, a belt 32 is connected between the moving pulley 30 and the driven pulley 34, a moving groove 29 connected to the right side of the sliding cavity 12 and located on the upper side of the driving cavity 62 is disposed in the machine case 11, a connecting rod 28 fixed on the upper side of the sliding box 13 is connected in the moving groove 29 in a sliding manner, a sliding groove 27 is arranged in the right wall of the driving cavity 62, a limiting moving block 26 is connected on the sliding groove 27 in a sliding manner, an annular groove 31 is arranged on the moving belt wheel 30, the limiting moving block 26 can limit the upper and lower positions of the moving belt wheel 30 through the annular groove 31 without influencing the rotation of the moving belt wheel 30, the connecting rod 28 extends into the driving cavity 62 and is fixedly connected to the upper side of the limiting moving block 26, when steel materials 18 are put into the working cavity 61, the sliding box 13 can be pressed to move upwards, the sliding box 13 moves upwards, the limiting moving block 26 is driven by the connecting rod 28 to move upwards along the sliding groove 27, the limiting moving block 26 moves upwards to drive the moving belt wheel 30 to move upwards, and the upward moving speed of the moving belt wheel 30 is the same as the, the motor 23 is started to drive the driving shaft 21 to rotate, the driving shaft 21 rotates to drive the transmission shaft 25 to rotate through the engagement of the driving bevel gear 22 and the transmission bevel gear 24, the transmission shaft 25 rotates to drive the moving belt wheel 30 to rotate, the moving belt wheel 30 rotates to drive the driven belt wheel 34 to rotate through the belt 32, and the driven shaft 33 is driven to rotate to drive the transmission part in the subsequent sliding box 13 to transmit.
According to the embodiment, the detecting device 102 is described in detail below, the detecting device 102 includes slider grooves 40 symmetrically arranged at left and right sides of each opening in the moving box 38, sliders 42 are slidably connected in the slider grooves 40, an intermediate rod 39 is connected between the two sliders 42, the upper sides of the slider grooves 40 are provided with limiting cavities 41 distributed in an array, an elastic clamping plate 43 having elasticity and capable of extending into the limiting cavities 41 is fixedly arranged at the upper sides of the sliders 42, the elastic clamping plate 43 and the limiting cavities 41 can be phase-locked and locked with the sliders 42, the front side of the intermediate rod 39 is connected with an intermediate slider cavity 53, the intermediate slider cavity 53 is slidably connected with an intermediate slider 51 fixed at the front side of the intermediate rod 39, the upper side of the intermediate slider cavity 53 in the moving box 38 is connected with an oblique slider cavity 52, the oblique slider cavity 52 is slidably connected with a first oblique slider 50 fixed at the upper side of the intermediate slider 51, the sliding box 13 is internally provided with a 63 positioned at the front side of the transmission cavity 37, the front wall of the 63 is rotatably connected with a rotating shaft 44, the rotating shaft 44 is fixedly provided with a gear 46, the 63 is slidably connected with an internal toothed bar plate 47 capable of moving up and down, one side of the internal toothed bar plate 47 is capable of being engaged with the gear 46, the internal toothed bar plate 47 is fixedly provided with a concave plate 48, the lower side of the concave plate 48 is fixedly provided with a second inclined slide block 49 extending into the inclined slide block cavity 52, the second inclined slide block 49 is contacted with the first inclined slide block 50, the rotating shaft 44 extends into the transmission cavity 37 and is rotatably connected into the rear wall of the transmission cavity 37, the rotating shaft 44 in the transmission cavity 37 is fixedly provided with an input bevel gear 36, the lower side of the driven shaft 33 is fixedly provided with an output bevel gear 35 engaged with the input bevel gear 36, when the driven shaft 33 rotates, the rotating shaft 44 can be driven by the engagement of the output bevel gear 35 and the, the rotating shaft 44 rotates and drives the moving box 38 to move rightwards through the meshing of the gear 46 and one side tooth surface in the internal tooth ribbon plate 47 through the concave plate 48, when the moving box 38 moves rightwards until the moving box 38 contacts the top pressure plate 54, the slide block 42 is pressed to move leftwards so as to drive the intermediate rod 39 to move leftwards, the intermediate rod 39 moves leftwards so as to drive the intermediate slide block 51 to move leftwards so as to drive the first inclined slide block 50 to move leftwards so as to press the second inclined slide block 49 to move upwards, the second inclined slide block 49 moves upwards so as to drive the concave plate 48 to move upwards so as to enable the gear 46 to be meshed with the other side tooth surface in the internal tooth ribbon plate 47, and the rotating shaft 44 rotates and drives the moving box 38 to move leftwards through.
Advantageously, when the steel material 18 is not placed on the upper side of the conveyor belt 19, the lower side of the slide box 13 contacts the upper side of the top press plate 54, and the top press plate 54 is pressed by the top press spring 16 to contact the moving box 38 instead of pressing the moving box 38, so that the service life of the device is prolonged.
The following describes in detail the use steps of the detection device for detecting internal cracks of steel material by ultrasonic waves in conjunction with fig. 1 to 5: in the initial state, the steel material 18 is not placed on the upper side of the conveyor belt 19, the slide box 13 is in the lower limit state, and the top pressure spring 16 is in the natural state.
When steel 18 is manually placed on the conveyor belt 19 in the working chamber 61, the motor 23 is started to drive the driving shaft 21 to rotate, the driving shaft 21 rotates to drive the belt pulley 20 to rotate, the belt pulley 20 rotates to drive the steel 18 to move forwards through the conveyor belt 19, the steel 18 moves forwards to contact with the jacking plate 54 so as to enable the jacking plate 54 to move towards the left side and the right side respectively, the jacking spring 16 is compressed and contracted, the moving box 38 is compressed to drive the sliding box 13 to move upwards, the sliding box 13 moves upwards to drive the limiting moving block 26 to move upwards along the sliding groove 27 through the connecting rod 28, the limiting moving block 26 moves upwards to drive the moving belt pulley 30 to move upwards, the upward moving speed of the moving belt pulley 30 is the same as the upward moving speed of the sliding box 13, meanwhile, the driving shaft 21 rotates to drive the transmission shaft 25 to rotate through the meshing of the driving bevel gear 22 and the transmission bevel gear 24, the transmission, the rotation of the moving pulley 30 drives the driven pulley 34 to rotate through the belt 32, that is, the driven shaft 33 is driven to rotate so as to drive the rotating shaft 44 to rotate through the engagement of the output bevel gear 35 and the input bevel gear 36, the rotating shaft 44 rotates through the engagement of the gear 46 and one side tooth surface in the internal toothed strip 47, the moving box 38 is driven to move to the right through the concave plate 48, when the moving box 38 moves to the right until the moving box 38 contacts the top pressure plate 54, the slider 42 is pressed to move to the left so as to drive the intermediate rod 39 to move to the left, the intermediate rod 39 moves to the left so as to drive the intermediate slider 51 to move to the left so as to drive the first inclined slider 50 to move to the left so as to press the second inclined slider 49 to move upward, the second inclined slider 49 moves upward so as to drive the concave plate 48 to move upward so as to engage the gear 46 with the other side tooth surface in the internal toothed strip, this is repeated until steel material 18 leaves the lower side of slide chamber 12, and detector 45 inspects steel material 18, and when a problem such as a crack is detected, steel material 18 is marked by painting with paint gun 60.
The invention has the beneficial effects that: compared with the traditional steel internal detection method, the method has the advantages that firstly, the steel internal detection is completed in an electrically driven mode, secondly, the position of the steel can be automatically calibrated, in addition, the method can detect the steel with different widths and different heights, and the steel can be completely detected.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a detect detection device of steel inside crack through ultrasonic wave, includes quick-witted case, its characterized in that: a working cavity is arranged in the machine case, a motor positioned on the right side of the working cavity is fixedly arranged in the machine case, a driving shaft is fixedly arranged on an output shaft on the left side of the motor, the driving shaft extends into the working cavity and is rotatably connected into the left wall of the working cavity, belt pulleys are fixedly arranged on the driving shaft in the working cavity, a conveying belt is connected between the belt pulleys and other belt pulleys, steel is placed on the upper side of the conveying belt, the motor can drive the driving shaft to drive the steel to move forwards through the belt pulleys and the conveying belt, bilaterally symmetrical jacking cavities are arranged on the left inner wall and the right inner wall of the working cavity, a jacking rod is slidably connected in the jacking cavities, a jacking spring is connected between the jacking rod and the inner wall of the jacking cavities, a jacking plate in contact with the steel is fixedly arranged on the jacking rod, and the jacking spring can enable the, machine incasement be equipped with connect in the slip chamber of working chamber upside, slip intracavity sliding connection has the slip case that can reciprocate, machine incasement is equipped with can still enable when the high low position of slip case changes motor drive drives the positioning device of transmission part in the slip case, slip case downside sliding connection has the removal case that removes about can, the removal case downside sets firmly and can be used for detecting steel inner structure's detector, machine incasement is equipped with and drives thereby remove the case and remove and control and detect completely steel inner structure's detection device, working chamber right side wall sets firmly to be located the spray gun of roof pressure plate front side, the spray gun can the detector detects out the sign that sprays paint when steel inner crack scheduling problem to the condition of steel inner structure is clear and definite.
2. The apparatus for detecting cracks in a steel material by ultrasonic waves according to claim 1, wherein: the position adjusting device comprises a driving cavity which is arranged in the case and connected to the right side of the working cavity, a transmission shaft is rotationally connected to the top wall of the driving cavity, a transmission bevel gear is fixedly arranged on the lower side of the transmission shaft, a driving bevel gear which is meshed with the transmission bevel gear is fixedly arranged on the driving shaft in the driving cavity, a transmission cavity with a right opening is arranged in the sliding box, a driven shaft is rotationally connected to the top wall of the transmission cavity, a driven pulley is fixedly arranged on the driven shaft, a movable pulley is connected to the transmission shaft through a spline, a belt is connected between the movable pulley and the driven pulley, a moving groove which is connected to the right side of the sliding cavity and is positioned on the upper side of the driving cavity is arranged in the case, a connecting rod fixed to the upper side of the sliding box is slidably connected in the moving groove, the movable belt wheel is provided with an annular groove, the limiting moving block can limit the upper position and the lower position of the movable belt wheel through the annular groove and does not influence the rotation of the movable belt wheel, and the connecting rod extends into the driving cavity and is fixedly connected to the upper side of the limiting moving block.
3. The apparatus for detecting cracks in a steel material by ultrasonic waves according to claim 1, wherein: the detection device comprises slider grooves which are arranged in the moving box in a bilateral symmetry manner and are respectively arranged at the left side and the right side of the opening in each direction, sliders are connected in the slider grooves in a sliding manner, a middle rod is connected between the two sliders, limit cavities which are distributed in an array manner are arranged at the upper sides of the slider grooves, an elastic clamping plate which has elasticity and can extend into the limit cavities is fixedly arranged at the upper sides of the sliders, the elastic clamping plate and the limit cavities can change the positions of the sliders in a self-locking manner, a middle slider cavity is connected at the front side of the middle rod, a middle slider fixed at the front side of the middle rod is connected in the middle slider cavity in a sliding manner, an oblique slider cavity is connected at the upper side of the middle slider cavity in the moving box, a first oblique slider fixed at the upper side of the middle slider is connected in the oblique slider cavity in, the front wall is rotatably connected with a rotating shaft, a gear is fixedly arranged on the rotating shaft, an inner toothed plate capable of moving up and down is slidably connected with the inner toothed plate, one side tooth surface of the inner toothed plate can be connected with the gear in a meshed mode, a concave plate is fixedly arranged on the inner toothed plate, a second inclined sliding block extending into an inclined sliding block cavity is fixedly arranged on the lower side of the concave plate, the second inclined sliding block is in contact with the first inclined sliding block, the rotating shaft extends into the transmission cavity and is rotatably connected into the rear wall of the transmission cavity, an input bevel gear is fixedly arranged on the rotating shaft in the transmission cavity, and an output bevel gear in meshed connection with the input bevel gear is fixedly arranged on the lower side of a driven shaft.
4. The apparatus for detecting cracks in a steel material by ultrasonic waves according to claim 1, wherein: when the steel is not placed on the upper side of the conveying belt, the lower side of the sliding box is in contact with the upper side of the jacking plate, and the jacking plate is in jacking contact with the movable box instead of jacking the movable box under the jacking action of the jacking spring, so that the service life of the device is prolonged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730500.6A CN111751449A (en) | 2020-07-27 | 2020-07-27 | Detection apparatus for detect steel inside crack through ultrasonic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730500.6A CN111751449A (en) | 2020-07-27 | 2020-07-27 | Detection apparatus for detect steel inside crack through ultrasonic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111751449A true CN111751449A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010730500.6A Withdrawn CN111751449A (en) | 2020-07-27 | 2020-07-27 | Detection apparatus for detect steel inside crack through ultrasonic wave |
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| Country | Link |
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| CN (1) | CN111751449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909898A (en) * | 2021-10-27 | 2022-01-11 | 汤细文 | Infrasonic wave repairing machine based on big data |
-
2020
- 2020-07-27 CN CN202010730500.6A patent/CN111751449A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909898A (en) * | 2021-10-27 | 2022-01-11 | 汤细文 | Infrasonic wave repairing machine based on big data |
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