CN116773663A - Ultrasonic technology crack detection system for concrete - Google Patents
Ultrasonic technology crack detection system for concrete Download PDFInfo
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- CN116773663A CN116773663A CN202311075507.9A CN202311075507A CN116773663A CN 116773663 A CN116773663 A CN 116773663A CN 202311075507 A CN202311075507 A CN 202311075507A CN 116773663 A CN116773663 A CN 116773663A
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- 238000012360 testing method Methods 0.000 abstract description 4
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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
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
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- Acoustics & Sound (AREA)
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Abstract
The invention relates to the technical field of concrete crack detection, and discloses an ultrasonic crack detection system for concrete, which comprises a workbench, wherein a clamping mechanism is arranged at the center of the top of the workbench, a chute is arranged at the center of the top of the workbench and positioned at the outer side of the clamping mechanism, the chute is connected with a frame through a rotating assembly, a plurality of square workpiece detection mechanisms are arranged in the frame, a fixed box is arranged at the top end of the frame, an operation cavity is arranged in the fixed box, a crack ultrasonic detector host and an annular workpiece detection mechanism are arranged in the operation cavity, the frame consists of a bottom annular frame and a top annular frame, and the bottom annular frame is movably connected in the chute. The beneficial effects are that: through the design of annular work piece detection mechanism and square work piece detection mechanism, can start corresponding detection mechanism according to the shape of concrete test block, carry out crack detection, and then improve the precision that detects.
Description
Technical Field
The invention relates to the technical field of concrete crack detection, in particular to an ultrasonic crack detection system for concrete.
Background
Most of the concrete is poured on site during construction, the quality is not easy to control, cracks are easy to generate, the existing bridge concrete detection equipment is single in detection mode, and the detection error of complex cracks is large.
The concrete test block is divided into two forms of a round form and a rectangular form, the existing crack detection device cannot be suitable for detecting the concrete block with the two forms of the round form and the rectangular form, and particularly, the defect that an ultrasonic detection probe is placed at a certain point of a position of cylindrical concrete detection exists, so that the detection labor intensity is very high, and crack detection cannot be carried out on the cylindrical concrete with different diameters.
In addition, the detector is also mostly handheld to detect, and the detector is not only needed to be taken, but also needed to be taken, so that the detector is inconvenient, the labor intensity of detection personnel is increased, and the detection precision is inaccurate.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides an ultrasonic crack detection system for concrete, which aims to overcome the technical problems in the prior related art.
For this purpose, the invention adopts the following specific technical scheme:
the utility model provides an ultrasonic technology crack detection system for concrete, includes the workstation, the top center department of workstation is equipped with fixture, the top center department of workstation just is located fixture's outside is equipped with the spout, the spout passes through rotating assembly and is connected with the frame, the inside of frame is equipped with a plurality of square work piece detection mechanism, the top of frame is equipped with the fixed box, the inside operation chamber that is equipped with of fixed box, the operation intracavity is equipped with crack ultrasonic detector host computer and annular work piece detection mechanism, the frame comprises bottom annular frame and top annular frame both, bottom annular frame swing joint is in the inside of spout, connect fixedly through four stands between bottom annular frame and the top annular frame both, the fixed box is fixed the top of top annular frame.
Preferably, the clamping mechanism comprises two vertically staggered movable grooves, openings penetrating through the outer surface of the workbench are formed in two sides of the top of each movable groove, a clamping motor and a shaft rod supporting seat are arranged in the inner bottom of each movable groove, the clamping motor is connected with the shaft rod supporting seat through a first screw rod, two external threads with opposite threads are formed in two sides of the outer surface of the first screw rod, a clamping plate is sleeved on each external thread, the top of each clamping plate penetrates through the upper portion of the workbench, the height of each movable groove is lower than that of each movable groove in the longitudinal direction, and the openings in the movable grooves in the transverse direction and the longitudinal direction penetrate through the outer surface of the workbench.
Preferably, the rotating assembly comprises a power motor fixed at one side of the inner bottom of the chute and an annular rack fixed at the outer surface of the annular rack at the bottom, a motor shaft is arranged at the top output end of the power motor, a rotating gear is arranged at the top end of the motor shaft, and the rotating gear is meshed with the annular rack.
Preferably, the square workpiece detection mechanism comprises an electric push rod I fixed on the upright post, a side output end of the electric push rod I penetrates through the outer side of the upright post and is fixedly connected with the fixing frame, an inner cavity is formed in the fixing frame, one side of the inner cavity is communicated with an annular groove, and a conical opening penetrating through the outer surface of the fixing frame is formed in one side of the annular groove.
Preferably, a vertical plate is fixed inside the inner cavity, a transverse plate is fixed on one side of the vertical plate, a rotating motor is connected to the top of the transverse plate in a sliding mode, an electric push rod II is connected to the back of the rotating motor, the electric push rod II is fixedly connected with the inner wall of the inner cavity, a rotating shaft is arranged at the side output end of the rotating motor, the other end of the rotating shaft penetrates through the other side of the vertical plate and is fixedly connected with a driving gear, two driven gears are symmetrically arranged on the side edges of the outer surface of the vertical plate, and the driven gears are meshed with the driving gear.
Preferably, the annular groove is internally and rotatably connected with an annular gear ring, engagement teeth on the inner wall of the annular gear ring are meshed with the two driven gears, connecting rods are fixed on two sides of the outer surface of the annular gear ring, the other ends of the connecting rods penetrate through the outer side of the fixing frame and are fixedly connected with the detection plate, a plurality of first detection probes are arranged on the outer surface of the detection plate, and a balancing weight is arranged at the bottom of the detection plate.
Preferably, the middle part of the outer surface of the detection plate, which is close to one side of the fixing frame, is symmetrically provided with two clamping columns, and the middle part of the driving gear, which is close to one side of the detection plate, is symmetrically provided with two clamping grooves matched with the clamping columns.
Preferably, the annular workpiece detection mechanism comprises a driving motor and four movable holes, wherein the driving motor is arranged at the center of the inner bottom of the operation cavity, the four movable holes are symmetrically arranged at the inner bottom of the operation cavity, the movable holes are in one-to-one correspondence with the stand columns, the bottom ends of the movable holes penetrate into the stand columns, the bottom openings of the movable holes penetrate out from the side edges of the stand columns, a screw rod II is arranged at the top output end of the driving motor, the top end of the screw rod II penetrates into the operation cavity, a threaded sleeve is sleeved on the outer surface of the screw rod II, and four groups of movable rods are movably connected to the outer surface of the threaded sleeve.
Preferably, the inside sliding connection of movable hole has the fixed plate, the surface bottom of fixed plate is fixed with the horizontal pole, the other end of horizontal pole runs through the bottom opening of movable hole to the outside and the detection probe second of stand, the top of fixed plate runs through to the inside and the movable plate in operation chamber, the inside of movable plate is equipped with the connecting plate, the other end of movable rod with connecting plate swing joint, the other end and the connecting plate swing joint of movable rod.
Preferably, a plurality of limiting blocks are arranged on the inner walls of two sides of the movable hole, limiting grooves matched with the limiting blocks are formed in two sides of the outer surface of the fixed plate, and holes matched with the rotating shaft are formed in the middle of the vertical plate.
The beneficial effects of the invention are as follows:
through annular work piece detection mechanism's design, when the concrete piece is cylindrical structure, at this moment, start driving motor, driving motor drives the screw sleeve through the screw action of lead screw two and rises, the screw sleeve passes through four movable plates of movable rod pulling and inwards moves, and then make the movable plate drive the connecting plate and remove, the connecting plate passes through the horizontal pole and drives detection probe two and remove, and then make detection probe two be close to cylindrical concrete piece, start rotating assembly afterwards, and then take the rotation of a plurality of highly different detection probe two for detection probe two can carry out comprehensive crack detection to cylindrical concrete piece, the result of detection is passed and is shown on the external touch-control screen.
Through square work piece detection mechanism's design, aim at four square work piece detection mechanism of four groups with four sides of concrete earlier, then, through the position of electric putter one regulation mount for detect the board on the mount and be close to with the concrete piece with the detection probe one, then start rotating electrical machines again, rotating electrical machines drive the detect board and rotate, make a plurality of detect probe one on the detect board can carry out crack detection to the concrete piece, the result of detection is transmitted and is shown on the external touch screen.
The square workpiece detection mechanism can adjust the rotation speed of the detection plate according to the condition of data detection, namely, under normal conditions, the clamping groove on the side edge of the driving gear is clamped with the clamping post on the side edge of the detection plate, the rotating motor directly drives the detection plate to rotate through the driving gear to perform rotation detection work of the detection probe I, when the detection result is unclear and inaccurate, the rotation speed of the detection plate needs to be reduced at the moment, the rotating motor can be pulled to move through the electric push rod II, the rotating motor drives the driving gear to move to the inside of the annular gear ring and is meshed with the two driven gears, at the moment, the rotating motor is started to drive the driven gear to rotate through the driving gear, the annular gear ring drives the detection plate to rotate through the connecting rod to perform crack detection work, and the detection result is transmitted to an external touch screen to be displayed.
Through the design of balancing weight, and then make pick-up plate and annular ring gear can rotate to initial position in the engineering of driving gear lateral shifting, then make the meshing action of driving gear and driven gear and with the joint action of card post, all can match together.
Through the design of rotating assembly, can be when carrying out crack detection to the concrete piece, can drive annular work piece detection mechanism and square work piece detection mechanism rotatory change with the working face of concrete piece, and then can more comprehensive carry out the crack detection work of accomplishing to the concrete piece.
Through fixture's design, can fix the concrete piece on the workstation, and then make the concrete piece can make things convenient for follow-up annular work piece detection mechanism or square work piece detection mechanism to carry out crack detection work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic general structural diagram of an ultrasonic crack detection system for concrete according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a table of an ultrasonic crack detection system for concrete according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a frame structure of an ultrasonic crack detection system for concrete according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection structure between a frame of an ultrasonic crack detection system for concrete and a square workpiece detection mechanism according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a square workpiece inspection mechanism of an ultrasonic crack inspection system for concrete according to an embodiment of the invention;
FIG. 6 is a schematic view of a part of a square workpiece inspection mechanism of an ultrasonic crack inspection system for concrete according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a connection structure of a driving gear, a driven gear and an annular gear ring of an ultrasonic crack detection system for concrete according to an embodiment of the invention;
FIG. 8 is a schematic view of the connection structure of a riser, a driving gear, a driven gear, and a ring gear of an ultrasonic crack detection system for concrete according to an embodiment of the present invention;
FIG. 9 is a schematic view of a test plate structure of an ultrasonic crack detection system for concrete according to an embodiment of the present invention;
FIG. 10 is a schematic view of a part of an annular workpiece inspection mechanism of an ultrasonic crack inspection system for concrete according to an embodiment of the invention;
FIG. 11 is a schematic diagram II of a ring-shaped workpiece detection mechanism of an ultrasonic crack detection system for concrete according to an embodiment of the invention;
fig. 12 is a schematic top view of a frame of an ultrasonic crack detection system for concrete according to an embodiment of the present invention.
In the figure:
1. a work table; 2. a chute; 3. a moving groove; 4. an opening; 5. clamping the motor; 6. a first screw rod; 7. a clamping plate; 8. a bottom annular shelf; 9. a top annular shelf; 10. a column; 11. an annular rack; 12. an electric push rod I; 13. a fixing frame; 14. an inner cavity; 15. an annular groove; 16. a riser; 17. a cross plate; 18. a rotating electric machine; 19. an electric push rod II; 20. a drive gear; 21. a driven gear; 22. an annular gear ring; 23. a connecting rod; 24. a detection plate; 25. detecting a first probe; 26. balancing weight; 27. a clamping column; 28. a clamping groove; 29. a fixed box; 30. an operating chamber; 31. a driving motor; 32. a second screw rod; 33. a threaded sleeve; 34. a movable rod; 35. a movable hole; 36. a moving plate; 37. a connecting plate; 38. a fixing plate; 39. a limit groove; 40. a cross bar; 41. a second detection probe; 42. and a limiting block.
Detailed Description
For the purpose of further illustrating the various embodiments, the present invention provides the accompanying drawings, which are a part of the disclosure of the present invention, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present invention, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the invention, an ultrasonic crack detection system for concrete is provided.
1-12, an ultrasonic crack detection system for concrete according to an embodiment of the present invention includes a workbench 1, a clamping mechanism is disposed at the top center of the workbench 1, a chute 2 is disposed at the top center of the workbench 1 and located outside the clamping mechanism, the chute 2 is connected with a frame through a rotating assembly, a plurality of square workpiece detection mechanisms are disposed in the frame, a fixing box 29 is disposed at the top end of the frame, an operation cavity 30 is disposed in the fixing box 29, a crack ultrasonic detector host and an annular workpiece detection mechanism are disposed in the operation cavity 30, the frame is composed of a bottom annular frame 8 and a top annular frame 9, the bottom annular frame 8 is movably connected in the chute 2, the bottom annular frame 8 and the top annular frame 9 are connected and fixed through four upright posts 10, and the fixing box 29 is fixed at the top of the top annular frame 9.
In the second embodiment, as shown in fig. 1-2, the clamping mechanism includes two vertically staggered moving grooves 3, two sides of the top of the moving groove 3 are respectively provided with an opening 4 penetrating to the outer surface of the workbench 1, the inner bottom of the moving groove 3 is provided with a clamping motor 5 and a shaft rod supporting seat, the clamping motor 5 and the shaft rod supporting seat are connected by a first screw rod 6, two external threads with opposite threads are provided on two sides of the outer surface of the first screw rod 6, a clamping plate 7 is sleeved on the external threads, and the two clamping plates 7 can be driven to simultaneously move inwards or outwards while the first screw rod 6 rotates, the top of the clamping plate 7 penetrates to the upper side of the workbench 1, the height of the transverse moving groove 3 is lower than that of the longitudinal moving groove 3, and the openings 4 on the two transverse moving groove 3 and the longitudinal moving groove 3 are respectively penetrating to the outer surface of the workbench 1. From the above design, it is easy to see that the concrete block can be fixed on the workbench 1 through the design of the clamping mechanism, so that the concrete block can facilitate the subsequent annular workpiece detection mechanism or square workpiece detection mechanism to perform crack detection work.
In the third embodiment, as shown in fig. 1-3, the rotating assembly includes a power motor fixed at one side of the bottom in the chute 2 and an annular rack 11 fixed at the outer surface of the bottom annular frame 8, a motor shaft is arranged at the top output end of the power motor, a rotating gear is arranged at the top end of the motor shaft, and the rotating gear is meshed with the annular rack 11. According to the design, the annular workpiece detection mechanism and the square workpiece detection mechanism can be driven to rotate to replace the working surface of the concrete block when the crack detection is carried out on the concrete block through the design of the rotating assembly, and then the crack detection work finished on the concrete block can be more comprehensively carried out.
In a fourth embodiment, as shown in fig. 4, 5, 6, 7, 8, 9 and 12, the square workpiece detection mechanism includes a first electric push rod 12 fixed on the upright post 10, a side output end of the first electric push rod 12 penetrates through to an outer side of the upright post 10 and is fixedly connected with a fixing frame 13, an inner cavity 14 is arranged in the fixing frame 13, one side of the inner cavity 14 is communicated with an annular groove 15, a conical opening penetrating through to an outer surface of the fixing frame 13 is formed in one side of the annular groove 15, a vertical plate 16 is fixed in the inner cavity 14, a transverse plate 17 is fixed on one side of the vertical plate 16, a rotating motor 18 is connected to a top of the transverse plate 17 in a sliding manner, a second electric push rod 19 is connected to a back side of the rotating motor 18, the second electric push rod 19 is fixedly connected with an inner wall of the inner cavity 14, and a rotating shaft is arranged at a side output end of the rotating motor 18, the other end of the rotating shaft penetrates through the other side of the vertical plate 16 to be connected and fixed with the driving gear 20, a hole matched with the rotating shaft is formed in the middle of the vertical plate 16, two driven gears 21 are symmetrically arranged on the side edge of the outer surface of the vertical plate 16, the driven gears 21 are meshed with the driving gear 20, an annular gear ring 22 is rotationally connected inside the annular groove 15, the meshing teeth of the inner wall of the annular gear ring 22 are meshed with the two driven gears 21, connecting rods 23 are fixed on the two sides of the outer surface of the annular gear ring 22, the other end of each connecting rod 23 penetrates through the outer side of the fixing frame 13 to be connected and fixed with a detection plate 24, a plurality of detection probes I25 are arranged on the outer surface of the detection plate 24, a balancing weight 26 is arranged at the bottom of the detection plate 24, through the design of the balancing weight 26, and then make detection board 24 and annular gear 22 can rotate to initial position in the engineering of driving gear 20 lateral shifting, and then make driving gear 20 and driven gear 21's meshing action and with the joint action of draw-in post 27, all can match together, detection board 24 is close to the middle part symmetry of the surface of mount 13 one side is equipped with two draw-in posts 27, driving gear 20 is close to detection board 24 one side middle part symmetry has seted up two with draw-in grooves 28 that the draw-in post 27 cooperatees. As can be seen from the design, through the design of the square workpiece detection mechanism, the four sides of the concrete are aligned with the four groups of square workpiece detection mechanisms, then the position of the fixing frame 13 is adjusted through the first electric push rod 12, so that the detection plate 24 on the fixing frame 13 is close to the concrete block with the first detection probes 25, then the rotating motor 18 is started again, the rotating motor 18 drives the detection plate 24 to rotate, and the first detection probes 25 on the detection plate 24 can detect cracks of the concrete block; and square work piece detection mechanism can adjust the rotation rate of pick-up plate 24 according to the condition that data detected, namely under normal condition, draw-in groove 28 and the joint of draw-in post 27 on pick-up plate 24 side of driving gear 20 are in the same place, rotating electrical machines 18 directly drive the rotation of pick-up plate 24 through driving gear 20, detect the rotation detection work of probe one 25, when the testing result is unclear, when inaccuracy, the rotational speed that needs to reduce pick-up plate 24 at this moment, can drive rotating electrical machines 18 through electric putter two 19 and remove, rotating electrical machines 18 drive driving gear 20 and remove to annular ring gear 22 inside, and mesh with two driven gears 21, at this moment, at the start-up rotating electrical machines 18, rotating electrical machines 18 drive driven gear 21 through driving gear 20 and rotate, driven gear 21 drives annular ring gear 22 and rotates, annular ring gear 22 drives the rotation of pick-up plate 24 through connecting rod 23 and detect the work of crack.
In the fifth embodiment, as shown in fig. 1, 10, 11 and 12, the annular workpiece detection mechanism includes a driving motor 31 located at the center of the inner bottom of the operating cavity 30 and four movable holes 35 symmetrically formed in the inner bottom of the operating cavity 30, the movable holes 35 are in one-to-one correspondence with the upright posts 10, the bottom ends of the movable holes 35 penetrate to the inner side of the upright posts 10, the bottom openings of the movable holes 35 penetrate out from the side edges of the upright posts 10, a second screw rod 32 is arranged at the top output end of the driving motor 31, the top end of the second screw rod 32 penetrates to the inner side of the operating cavity 30, a threaded sleeve 33 is sleeved on the outer surface of the second screw rod 32, four groups of movable rods 34 are movably connected to the outer surface of the threaded sleeve 33, a fixed plate 38 is slidably connected to the inner side of the movable hole 35, a cross rod 40 is fixed at the outer surface of the fixed plate 38, the other end of the cross rod 40 penetrates to the outer side of the upright posts 10 through the bottom openings of the movable hole 35, a second probe 41 penetrates from the side of the upright posts 10, the top end of the fixed plate 38 to the inner side of the operating cavity 30, a limiting block 36 is provided with a plurality of limiting blocks 34, and a plurality of limiting blocks 37 are respectively movably connected to the two sides of the limiting blocks 34, and the two side connecting plates 37 are movably connected to the two side surfaces of the limiting blocks and the two side 37. From the above design, it is apparent that through the design of the annular workpiece detection mechanism, when the concrete block is in a cylindrical structure, at this time, the driving motor 31 is started, the driving motor 31 drives the threaded sleeve 33 to ascend through the threaded action of the second screw rod 32, the threaded sleeve 33 pulls the four moving plates 36 to move inwards through the movable rod 34, so that the moving plates 36 can drive the fixed plates 38 to move, the fixed plates 38 drive the second detection probe 41 to move through the cross rod 40, so that the second detection probe 41 is close to the cylindrical concrete block, then the rotating assembly is started, and then the second detection probe 41 with a plurality of heights different rotates, so that the second detection probe 41 can carry out comprehensive crack detection on the cylindrical concrete block.
In summary, by means of the above technical scheme of the present invention, when in use, firstly, the concrete block to be detected is placed at the top center of the workbench 1, then, the concrete block is clamped and fixed by the clamping mechanism, that is, the two groups of clamping motors 5 are started by the control switch, the clamping motors 5 drive the two clamping plates 7 to move simultaneously by the external threads with opposite directions on the two sections of threads on the first screw rod 6, so that the clamping plates 7 are extruded with the outer surface of the concrete block, the concrete block is clamped and fixed, the operation amplitude of the two clamping motors 5 can be adjusted according to the size and specification of the concrete block, and then, the positions of the two groups of clamping plates 7 are adjusted, so that the clamping plates 7 are matched with the concrete block;
after the concrete block is fixed, determining whether to detect through the square workpiece detection mechanism or the annular workpiece detection mechanism according to the shape of the concrete block;
when the concrete block is of a rectangular structure, at the moment, the square workpiece detection mechanism and the rotating assembly are started, the annular workpiece detection mechanism is not started, namely, four sides of concrete are aligned with four groups of square workpiece detection mechanisms, then, the position of the fixing frame 13 is adjusted through the first electric push rod 12, so that the detection plate 24 on the fixing frame 13 is close to the concrete block with the first detection probes 25, then, the rotating motor 18 is started again, the rotating motor 18 drives the detection plate 24 to rotate, a plurality of first detection probes 25 on the detection plate 24 can detect cracks of the concrete block, and a detection result is transmitted to an external touch screen for display;
in the detection process, because the heights of the four square workpiece detection mechanisms are different, after one side surface is detected, the frame can be driven to rotate through the rotating assembly, so that the four square workpiece detection mechanisms can replace one working surface to carry out the detection work, and the detection result can be transmitted to an external touch screen for display after the detection work is finished;
in the two detection processes, the rotation speed of the detection plate 24 can be adjusted according to the detection condition, under the normal condition, the clamping groove 28 at the side edge of the driving gear 20 is clamped with the clamping post 27 at the side edge of the detection plate 24, the rotating motor 18 directly drives the detection plate 24 to rotate through the driving gear 20 to perform rotation detection work of the detection probe one 25, when the detection result is unclear and inaccurate, the rotating motor 18 can be pulled to move through the electric push rod two 19, the rotating motor 18 drives the driving gear 20 to move to the inside of the annular gear ring 22 and is meshed with the two driven gears 21, at the moment, the rotating motor 18 is started, the driving gear 20 drives the driven gear 21 to rotate, the annular gear ring 22 is driven by the driven gear 21 to rotate, the annular gear ring 22 drives the detection plate 24 to rotate through the connecting rod 23 to perform crack detection work, and the detection result is transmitted to an external touch screen to be displayed;
when the concrete block is of a cylindrical structure, at the moment, the annular workpiece detection mechanism and the rotating assembly are started, the square workpiece detection mechanism is not started, namely, the driving motor 31 is started, the driving motor 31 drives the screw rod II 32 to rotate, the screw rod II 32 rotates to drive the threaded sleeve 33 to ascend through the threaded effect, the threaded sleeve 33 pulls the four moving plates 36 to move inwards through the movable rod 34, the moving plates 36 can drive the fixed plates 38 to move, the fixed plates 38 drive the detection probe II 41 to move through the cross rod 40, the detection probe II 41 is further close to the cylindrical concrete block, the rotating assembly is started to rotate with the detection probe II 41 with a plurality of height differences, the detection probe II 41 can carry out comprehensive crack detection on the cylindrical concrete block, and the detected result is transmitted to an external touch screen to be displayed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides an ultrasonic technology crack detection system for concrete, its characterized in that, including workstation (1), the top center department of workstation (1) is equipped with fixture, the top center department of workstation (1) just is located fixture's outside is equipped with spout (2), spout (2) are connected with the frame through rotating assembly, the inside of frame is equipped with a plurality of square work piece detection mechanism, the top of frame is equipped with fixed box (29), the inside operation chamber (30) that is equipped with of fixed box (29), be equipped with crack ultrasonic detector host computer and annular work piece detection mechanism in operation chamber (30), the frame comprises bottom annular frame (8) and top annular frame (9), bottom annular frame (8) swing joint is in the inside of spout (2), be connected fixedly between bottom annular frame (8) and top annular frame (9) through four stand (10), fixed box (29) are in the top of top annular frame (9).
2. The ultrasonic crack detection system for concrete according to claim 1, wherein the clamping mechanism comprises two vertically staggered movable grooves (3), openings (4) penetrating through the outer surface of the workbench (1) are formed in two sides of the top of the movable grooves (3), a clamping motor (5) and a shaft rod supporting seat are arranged in the inner bottom of the movable grooves (3), the clamping motor (5) and the shaft rod supporting seat are connected through a first screw rod (6), external threads with two sections of threads opposite to each other are formed in two sides of the outer surface of the first screw rod (6), clamping plates (7) are sleeved on the external threads, the top ends of the clamping plates (7) penetrate through the upper side of the workbench (1), the heights of the transverse movable grooves (3) are lower than those of the longitudinal movable grooves (3), and the openings (4) in the transverse movable grooves (3) and the longitudinal movable grooves (3) penetrate through the outer surface of the workbench (1).
3. An ultrasonic crack detection system for concrete according to claim 2, characterized in that the rotating assembly comprises a power motor fixed at one side of the inner bottom of the chute (2) and an annular rack (11) fixed at the outer surface of the bottom annular frame (8), a motor shaft is arranged at the top output end of the power motor, a rotating gear is arranged at the top end of the motor shaft, and the rotating gear is meshed with the annular rack (11).
4. An ultrasonic crack detection system for concrete according to claim 3, wherein the square workpiece detection mechanism comprises an electric push rod I (12) fixed on the upright post (10), a side output end of the electric push rod I (12) penetrates through the outer side of the upright post (10) and is fixedly connected with a fixing frame (13), an inner cavity (14) is formed in the fixing frame (13), an annular groove (15) is communicated with one side of the inner cavity (14), and a conical opening penetrating through the outer surface of the fixing frame (13) is formed in one side of the annular groove (15).
5. The ultrasonic crack detection system for concrete according to claim 4, wherein a vertical plate (16) is fixed in the inner cavity (14), a transverse plate (17) is fixed on one side of the vertical plate (16), a rotating motor (18) is slidably connected to the top of the transverse plate (17), an electric push rod II (19) is connected to the back of the rotating motor (18), the electric push rod II (19) is fixedly connected to the inner wall of the inner cavity (14), a rotating shaft is arranged at the side output end of the rotating motor (18), the other end of the rotating shaft penetrates through to the other side of the vertical plate (16) and is fixedly connected to a driving gear (20), two driven gears (21) are symmetrically arranged on the side edges of the outer surface of the vertical plate (16), and the driven gears (21) are meshed with the driving gear (20).
6. The ultrasonic crack detection system for concrete according to claim 5, wherein an annular gear ring (22) is rotatably connected in the annular groove (15), engagement teeth on the inner wall of the annular gear ring (22) are meshed with two driven gears (21), connecting rods (23) are fixed on two sides of the outer surface of the annular gear ring (22), the other ends of the connecting rods (23) penetrate through the outer side of the fixing frame (13) and are connected and fixed with a detection plate (24), a plurality of first detection probes (25) are arranged on the outer surface of the detection plate (24), and a balancing weight (26) is arranged at the bottom of the detection plate (24).
7. The ultrasonic crack detection system for concrete according to claim 6, wherein two clamping posts (27) are symmetrically arranged in the middle of the outer surface of the side, close to the fixing frame (13), of the detection plate (24), and two clamping grooves (28) matched with the clamping posts (27) are symmetrically arranged in the middle of the side, close to the detection plate (24), of the driving gear (20).
8. The ultrasonic crack detection system for concrete according to claim 7, wherein the annular workpiece detection mechanism comprises a driving motor (31) and four movable holes (35) symmetrically arranged at the center of the inner bottom of the operation cavity (30), the movable holes (35) are in one-to-one correspondence with the upright posts (10), the bottom ends of the movable holes (35) penetrate into the upright posts (10), the bottom openings of the movable holes (35) penetrate out from the side edges of the upright posts (10), a screw rod two (32) is arranged at the top output end of the driving motor (31), the top end of the screw rod two (32) penetrates into the operation cavity (30), a threaded sleeve (33) is sleeved on the outer surface of the screw rod two (32), and four groups of movable rods (34) are movably connected to the outer surface of the threaded sleeve (33).
9. The ultrasonic crack detection system for concrete according to claim 8, wherein a fixed plate (38) is slidably connected inside the movable hole (35), a cross rod (40) is fixed at the bottom of the outer surface of the fixed plate (38), the other end of the cross rod (40) penetrates to the outer side of the upright post (10) and the second detection probe (41) through a bottom opening of the movable hole (35), the top end of the fixed plate (38) penetrates to the inner part of the operation cavity (30) and the movable plate (36), a connecting plate (37) is arranged inside the movable plate (36), the other end of the movable rod (34) is movably connected with the connecting plate (37), and the other end of the movable rod (34) is movably connected with the connecting plate (37).
10. The ultrasonic crack detection system for concrete according to claim 9, wherein a plurality of limiting blocks (42) are arranged on inner walls of two sides of the movable hole (35), limiting grooves (39) matched with the limiting blocks (42) are formed on two sides of the outer surface of the fixed plate (38), and holes matched with the rotating shaft are formed in the middle of the vertical plate (16).
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| CN116773663B (en) | 2023-11-03 |
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