CN113970631A - Concrete structure nondestructive testing equipment testing platform and method - Google Patents
Concrete structure nondestructive testing equipment testing platform and method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 123
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 20
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000007547 defect Effects 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 12
- 230000000670 limiting effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
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Abstract
The invention belongs to the technical field of nondestructive testing of hydraulic engineering and discloses a nondestructive testing equipment testing platform for a concrete structure. According to the invention, by arranging the moving rod, the first teeth, the pneumatic cylinder, the cross rod and the movable rod, at the moment, the outer surface of the first teeth and the outer surface of the gear are in a mutual meshing state, so that the moving rod is driven to rotate by the first teeth, the detection angle is convenient to adjust, the movable plate drives the movable rod to move, the bottom end of the movable rod enters the cross rod, and the clamp is further fixed, so that the detection operation of each position of the test platform is convenient, the measurement data of the test platform is more accurate, and the detection operation of workers is convenient.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing of hydraulic engineering, and particularly relates to a concrete structure nondestructive testing equipment testing platform and a concrete structure nondestructive testing method.
Background
The detection of hydraulic concrete buildings mainly comprises the detection of defects, diseases, mechanical properties and other properties, the key detection part is generally determined according to the conditions of structural forms and appearance defects, the conventional detection comprises two types of nondestructive detection and destructive detection, the research of concrete nondestructive detection technology starts in the last 30 th century and is developed rapidly, and since the last 80 th century, a group of new testing methods including ground penetrating radar scanning, acoustic wave chromatography, infrared thermal spectrum, pulse echo and the like are developed.
At present, the staff is when the structure to the concrete is examined, in order not to cause destruction to the concrete structure, the staff generally can adopt the nondestructive test method to the concrete and detect the operation, the staff is using current check out test set to test platform when detecting, in order to make detection effect more accurate, thereby carry out the detection of longer time to test platform, and then make staff's arm appear the aching pain easily, uncomfortable reactions such as swelling, and be not convenient for carry out the detection operation to test platform's every position, carry out and will influence the accuracy to concrete measured data, be not convenient for staff's detection operation.
The main instruments and equipment commonly used for nondestructive testing of engineering sites are various at present, the detection means adopted by different environments with the same defects are different, the technical means adopted by different required detection precision for the same defects are different, so the best detection effect can be achieved by mastering the detection precision and the best using condition of the equipment, in addition, most of the detection technical means mastered by people at present are conventional, and a plurality of advanced technologies have no application experience or even can not be mastered, so that a new detection method can be known and mastered through the test platform and can be subjected to practical inspection.
General staff can use concrete detection device usually when carrying out the nondestructive test operation to the concrete, however general concrete nondestructive test device itself possesses comparatively complicacy to test platform's fixed knot structure, though can play good fixed effect, but the process of staff when fixing and dismantling the operation to test platform is comparatively loaded down with trivial details to reduced the staff and examined test platform's operating efficiency, consequently need improve and optimize it.
Disclosure of Invention
The invention aims to provide a concrete structure nondestructive testing equipment testing platform and a concrete structure nondestructive testing equipment testing method, so as to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a concrete structure nondestructive testing equipment test platform comprises a bottom plate, wherein a moving rod is movably mounted at the left end of the top of the bottom plate, first teeth positioned in the bottom plate are fixedly mounted on the outer surface of the bottom end of the moving rod, a vertical rod is fixedly mounted at the right end of the moving rod, a transverse plate is fixedly mounted at the top of the vertical rod, a pneumatic cylinder is fixedly mounted at the top of the transverse plate, the transverse rod can move up and down due to the operation of the pneumatic cylinder, so that a clamp is driven to move up and down, the height of the clamp is convenient to adjust, the bottom end of the pneumatic cylinder penetrates through the transverse plate and extends to the lower part of the transverse plate, a transverse rod is fixedly mounted at the bottom of the pneumatic cylinder, a groove positioned at the left end of the transverse rod is formed in the vertical rod, a moving block positioned in the groove is fixedly mounted at the left end of the transverse rod, and a good limiting effect can be achieved on the transverse rod due to the design of the moving block, make the horizontal pole more stable at the in-process that carries out elevating movement, the staff of being convenient for detects the operation to test platform, the surface activity of horizontal pole has cup jointed the riser, the top fixed mounting of riser has the shell, the fly leaf has been cup jointed in the inside activity of shell, the inside movable mounting of shell has movable rod and rigid spring.
Preferably, one end of the movable rod penetrates through the movable plate and the shell in sequence and extends into the cross rod, the other end of the movable rod penetrates through the shell and extends to the upper part of the shell, a rigid spring positioned in the shell is movably sleeved on the outer surface of the movable rod, two ends of the rigid spring are fixedly connected with the top of the movable plate and the top of the inner cavity of the shell respectively, a worker pulls the movable rod upwards to enable the movable rod and the movable plate to move upwards together, the bottom end of the movable rod is separated from the cross rod at the moment, the rigid spring is in an elastic compression state due to extrusion, so that the limiting effect on the clamp is relieved, the worker can push the vertical plate to further drive the clamp to move, when the clamp moves to a proper detection position, the movable rod is loosened at the moment, and a downward force is applied to the movable plate due to the elastic recovery effect of the rigid spring, so that the movable plate drives the movable rod to move, and the bottom end of the movable rod enters the inside of the cross rod, and the clamp is fixed.
Preferably, the bottom fixed mounting of riser has anchor clamps, the inside fixed mounting of bottom plate has driving motor, the fixed cover of the other end of driving motor output shaft has connect the vertical axis, the other end fixed mounting of vertical axis has the gear, intermeshing between the surface of first tooth and gear, because driving motor's operation, will make vertical axis and gear together rotate to drive the motion pole through first tooth and rotate, make the motion pole drive montant and horizontal pole together rotate, thereby be convenient for detect angle modulation, start the pneumatic cylinder, because the operation of pneumatic cylinder, will make the horizontal pole carry out elevating movement, thereby be convenient for highly carry out the regulating action to anchor clamps.
Preferably, the inside movable mounting of bottom plate has the stock that is located the gear right-hand member, the positive fixed mounting of stock has the handle, the front of handle passes the bottom plate and extends to the place ahead of bottom plate, because the design of stock, upwards promote the handle, drive stock upward movement, the surface of gear this moment will and second tooth between intermeshing, the staff starts driving motor, because driving motor's operation, will make vertical axis and gear corotation rotate, drive the stock through the second tooth and take place the motion, the stock will drive the fly leaf motion through the riser this moment, make the fly leaf promote test platform and extrude test platform.
Preferably, the left end fixed mounting of stock has the second tooth, the bottom fixed mounting of stock has the perpendicular piece, the top of perpendicular piece runs through stock and bottom plate and extends to the top of bottom plate, because the design of second tooth, because the surface of gear will and the second tooth between intermeshing, will make vertical axis and gear together rotate, drive the stock through the second tooth and take place the motion, the stock will drive the fly leaf motion through the perpendicular piece this moment.
Preferably, the top of the bottom plate is movably provided with a testing platform, the top of the bottom plate is fixedly provided with a fixing plate positioned on the back of the testing platform, a movable plate positioned on the front surface of the test platform is movably arranged at the top of the bottom plate, a second rectangular groove positioned below the movable plate is arranged in the bottom plate, a moving block positioned at the bottom end of the movable plate is movably arranged in the second rectangular groove, the top of the moving block is fixedly connected with the movable plate, because the driving motor operates, the vertical shaft and the gear can rotate together, at the moment, the long rod can drive the movable plate to move through the vertical block, so that the testing platform is fixed on the top of the bottom plate, the long rod is pushed downwards, the outer surface of the gear is separated from the second teeth at the moment, the long rod moves downwards and enters the clamping groove in the inner cavity of the bottom plate, so that the movable plate is fixed.
Preferably, the right-hand member of fly leaf is seted up and is located the first rectangular channel of riser right-hand member, the inside movable mounting of first rectangular channel has the horizontal piece, fixed connection between the left end of horizontal piece and the riser, because the design of first rectangular channel can play good limiting displacement to the riser for riser stability more when carrying out elevating movement is convenient for carry out the fixed operation to test platform.
Preferably, the left end of the top of the test platform is provided with a first crack, the left end of the test platform is provided with a second crack, the top of the test platform is provided with a fourth crack, the front of the test platform is provided with a third crack, the interior of the test platform is provided with a first hole and a second hole, the second hole is positioned at the lower left of the first hole, the inside of the test platform is fixedly provided with a steel bar, the right end of the inside of the test platform is fixedly provided with an uncompacted area, the inner part of the test platform is fixedly provided with a water-bearing layer, the defects on the test platform are all designed elaborately, the sizes (such as hole size, seam width and the like) and the positions (buried depth, seam depth and the like) of the defects are set, meanwhile, the method can reflect the actual complex situation of the project, can realize the function of simultaneously detecting various common defects, and has the condition of simultaneously carrying out comparison test on various detection devices.
Preferably, the test platform is a concrete structure carrier with the size of 3m × 1.5m × 1.2m, a first crack, a second crack, a third crack, a fourth crack, an uncompacted area, a first hole, a second hole, an aquifer and a steel bar are prefabricated on the structure carrier, all defects and the steel bar are elaborately designed, and it is ensured that the test detection equipment and the test method are not influenced mutually, and the manufacturing method of the test platform comprises the following steps: water: sand: the stone is 1: 0.625: 3.123: 3.816 concrete is poured into a template with the size of 3m multiplied by 1.5m multiplied by 1.2m, and after sufficient vibration, the cotton quilt is maintained for 28 days, the first crack and the second crack are formed by drawing an iron plate coated with mineral oil, the length of which is 700mm, the width of which is 400mm and the thickness of which is 1mm, the length of the first crack is the depth of the second crack, and the length of the second crack is the depth of the first crack; the third crack and the fourth crack are formed by drawing an iron plate which is coated with mineral oil and has the length of 1200mm, the width of 600mm and the thickness of 2mm, the length of the third crack is the depth of the fourth crack, the length of the fourth crack is the depth of the third crack, the non-compact area is formed by filling stones with the grain diameter of 3cm to 5cm by using snake skin bags, piling the stones into a cuboid with the length multiplied by the width multiplied by the height multiplied by 100cm multiplied by 15cm multiplied by 100cm and then pouring concrete, and the first hole is formed by vertically burying a PVC pipe with a cover and the diameter of 11cm and the length of 10 cm; the second hole is formed by vertically burying PVC pipes with covers, the diameters of which are 20cm and the lengths of which are 21cm, the aquifer is formed by horizontally burying a water bottle filled with tap water, the diameter of which is 7.5cm and the length of which is 21cm, and the reinforcing steel bars are formed by vertically burying plain round reinforcing steel bars, the diameters of which are 1cm and the lengths of which are 100 cm.
Preferably, the method comprises the following steps:
firstly, a worker places a test platform on the top of a bottom plate, one side of the test platform is in contact with a fixed plate, a handle is pushed upwards to drive a long rod to move upwards, the outer surface of a gear is meshed with second teeth at the moment, the worker starts a driving motor, the vertical shaft and the gear can rotate together due to the operation of the driving motor, the long rod is driven to move through the second teeth, the long rod drives a movable plate to move through a vertical block at the moment, the movable plate pushes the test platform and extrudes the test platform, the test platform is fixed on the top of the bottom plate, the long rod is pushed downwards, the outer surface of the gear is separated from the second teeth at the moment, the long rod moves downwards and enters a clamping groove in an inner cavity of the bottom plate, and the movable plate is fixed;
the concrete nondestructive testing equipment to be used is fixed on the clamp by a worker, the driving motor is started, the vertical shaft and the gear can rotate together due to the operation of the driving motor, at the moment, the outer surface of the first tooth and the outer surface of the gear are in an intermeshing state, so that the moving rod is driven to rotate through the first tooth, the moving rod drives the vertical rod and the transverse rod to rotate together, the detection angle is convenient to adjust, the pneumatic cylinder is started, and the transverse rod can move up and down due to the operation of the pneumatic cylinder, so that the height of the clamp is convenient to adjust;
the movable rod is pulled upwards, the movable rod and the movable plate move upwards together, the bottom end of the movable rod is separated from the cross rod at the moment, the rigid spring is in an elastic compression state due to extrusion, so that the limiting effect on the clamp is eliminated, a worker can push the vertical plate and further drive the clamp to move, when the clamp moves to a proper detection position, the movable rod is loosened at the moment, a downward force is applied to the movable plate due to the elastic recovery effect of the rigid spring, the movable plate drives the movable rod to move, the bottom end of the movable rod enters the inside of the cross rod, and further the clamp is fixed;
the method is characterized in that a large concrete component integrating various defects is built, the defects on a test platform are well designed, the sizes (such as hole sizes, seam widths and the like) and the positions (buried depth, seam depth and the like) of the defects are set, the actual complex conditions of the engineering can be reflected, the function of simultaneously detecting various common defects can be realized, and the conditions for comparison and test on various detection devices are provided.
The invention has the following beneficial effects:
1. the invention starts the driving motor by arranging the moving rod, the first teeth, the pneumatic cylinder, the cross rod and the movable rod, the vertical shaft and the gear can rotate together due to the operation of the driving motor, at the moment, the outer surface of the first teeth and the outer surface of the gear are in a mutual meshing state, so that the moving rod is driven to rotate by the first teeth, the moving rod drives the vertical rod and the cross rod to rotate together, the detection angle adjustment is convenient, the pneumatic cylinder is started, the cross rod can move up and down due to the operation of the pneumatic cylinder, the height of the clamp is convenient to adjust, the movable rod and the movable plate can move upwards together by pulling the movable rod upwards, at the moment, the bottom end of the movable rod can be separated from the cross rod, the rigid spring is in an elastic compression state due to extrusion, the movable rod is released, and the elastic force of the rigid spring is recovered, will exert a decurrent power to the fly leaf for the fly leaf drives the movable rod motion, and makes the bottom of movable rod enter into the inside of horizontal pole, and then fixes anchor clamps, thereby is convenient for detect the operation to every position of test platform, and test platform measured data is more accurate, the detection operation of the staff of being convenient for.
2. By carrying out detection tests on the test platform, on one hand, the invention can systematically test the performance of the existing detection technology and equipment and verify the reliability of the detection method and the detection equipment; on the other hand, different detection methods can be selected for similar defects to form comparative analysis; it is also possible to test new inspection equipment and develop new inspection methods for complex defects.
3. The invention drives the long rod to move upwards by arranging the driving motor, the gear, the second tooth and the movable plate and pushing the handle upwards, at the moment, the outer surface of the gear is meshed with the second tooth, at the moment, a worker starts the driving motor, the vertical shaft and the gear can rotate together due to the operation of the driving motor, the long rod is driven to move by the second tooth, at the moment, the long rod drives the movable plate to move by the vertical block, so that the movable plate pushes the test platform and extrudes the test platform, the test platform is fixed at the top of the bottom plate, the long rod is pushed downwards, at the moment, the outer surface of the gear is separated from the second tooth, the long rod moves downwards and enters the clamping groove in the inner cavity of the bottom plate, so that the movable plate is fixed, and then be convenient for the staff to install and dismantle test platform, improved the operating efficiency that the staff examined time measuring to test platform.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the front side of the present invention;
FIG. 3 is a schematic view of the internal structure of the gear of the present invention;
FIG. 4 is a schematic cross-sectional view of the side of the present invention;
FIG. 5 is a schematic view of the internal structure of a first rectangular groove according to the present invention;
FIG. 6 is a schematic structural diagram of a test platform according to the present invention;
FIG. 7 is a schematic cross-sectional view of the side of the test platform of the present invention;
FIG. 8 is a schematic cross-sectional view of a top view of a test platform according to the present invention;
fig. 9 is a schematic view of the enlarged structure of a portion a in fig. 2 according to the present invention.
In the figure: 1. a base plate; 2. a motion bar; 3. a first tooth; 4. a vertical rod; 5. a transverse plate; 6. a pneumatic cylinder; 7. a cross bar; 8. a groove; 9. a motion block; 10. a vertical plate; 11. a housing; 12. a movable plate; 13. a movable rod; 14. a rigid spring; 15. a clamp; 16. a drive motor; 17. a vertical axis; 18. a gear; 19. a long rod; 20. a second tooth; 21. a vertical block; 22. a test platform; 23. a fixing plate; 24. a movable plate; 25. a first rectangular groove; 26. a transverse block; 27. a second rectangular groove; 28. a moving block; 29. a first slit; 30. a third crack; 31. reinforcing steel bars; 32. a first hole; 33. a second hole; 34. an aqueous layer; 35. an uncompacted region; 36. a handle; 37. a fourth split; 38. a second slit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, in the embodiment of the present invention, a concrete structure nondestructive testing device testing platform includes a bottom plate 1, a moving rod 2 is movably installed at the left end of the top of the bottom plate 1, a first tooth 3 located inside the bottom end of the moving rod 2 is fixedly installed on the outer surface of the bottom end of the moving rod 2, a vertical rod 4 is fixedly installed at the right end of the moving rod 2, a horizontal plate 5 is fixedly installed at the top of the vertical rod 4, a pneumatic cylinder 6 is fixedly installed at the top of the horizontal plate 5, due to the operation of the pneumatic cylinder 6, the horizontal rod 7 will perform lifting motion, so as to drive a clamp 15 to perform lifting motion, and facilitate the height adjustment of the clamp 15, the bottom end of the pneumatic cylinder 6 penetrates through the horizontal plate 5 and extends to the lower side of the horizontal plate 5, and is fixedly installed with a horizontal rod 7, a groove 8 located at the left end of the horizontal rod 4 is provided with a moving block 9 located inside the groove 8, because the design of motion piece 9 can play good limiting displacement to horizontal pole 7 for horizontal pole 7 is carrying out elevating movement's in-process more stable, and the staff of being convenient for detects the operation to test platform 22, and the surface activity of horizontal pole 7 has cup jointed riser 10, and the top fixed mounting of riser 10 has shell 11, and fly leaf 12 has been cup jointed in the inside activity of shell 11, and the inside movable mounting of shell 11 has movable rod 13 and rigidity spring 14.
Wherein, one end of the movable rod 13 penetrates the movable plate 12 and the housing 11 in sequence and extends to the inside of the cross rod 7, the other end of the movable rod 13 penetrates the housing 11 and extends to the upper side of the housing 11, the rigid spring 14 positioned in the housing 11 is movably sleeved on the outer surface of the movable rod 13, two ends of the rigid spring 14 are fixedly connected with the top of the movable plate 12 and the top of the inner cavity of the housing 11 respectively, a worker pulls the movable rod 13 upwards to enable the movable rod 13 and the movable plate 12 to move upwards together, at the moment, the bottom end of the movable rod 13 is separated from the cross rod 7, the rigid spring 14 is in an elastic compression state due to extrusion, thereby the limiting effect on the clamp 15 is removed, the worker can push the vertical plate 10 to drive the clamp 15 to move, when the clamp 15 moves to a proper detection position, the movable rod 13 is released at the moment, due to the elastic recovery effect of the rigid spring 14, a downward force is applied to the flap 12 so that the flap 12 moves the movable rod 13 and the bottom end of the movable rod 13 enters the inside of the cross bar 7, thereby fixing the clamp 15.
Wherein, the bottom fixed mounting of riser 10 has anchor clamps 15, the inside fixed mounting of bottom plate 1 has driving motor 16, the fixed cover of the other end of driving motor 16 output shaft has connect vertical axis 17, the other end fixed mounting of vertical axis 17 has gear 18, intermeshing between the surface of first tooth 3 and gear 18, because driving motor 16's operation, will make vertical axis 17 and gear 18 together rotate, thereby drive motion pole 2 through first tooth 3 and rotate, make motion pole 2 drive montant 4 and horizontal pole 7 together rotate, thereby be convenient for detect the angle modulation, start pneumatic cylinder 6, because pneumatic cylinder 6's operation, will make horizontal pole 7 carry out elevating movement, thereby be convenient for highly carry out the regulating action to anchor clamps 15.
Wherein, the inside movable mounting of bottom plate 1 has the stock 19 that is located the gear 18 right-hand member, the positive fixed mounting of stock 19 has handle 36, the front of handle 36 passes bottom plate 1 and extends to the place ahead of bottom plate 1, because the design of stock 19, upwards promote handle 36, drive stock 19 upward movement, gear 18's surface will and second tooth 20 intermeshing this moment, the staff starts driving motor 16, because driving motor 16's operation, will make vertical axis 17 and gear 18 rotate together, it takes place the motion to drive stock 19 through second tooth 20, stock 19 will drive the motion of fly leaf 24 through riser 21 this moment, make fly leaf 24 promote test platform 22 and extrude test platform 22.
Wherein, the left end fixed mounting of stock 19 has second tooth 20, the bottom fixed mounting of stock 19 has vertical retort 21, the top of vertical retort 21 runs through stock 19 and bottom plate 1 and extends to the top of bottom plate 1, because the design of second tooth 20, because intermeshing between the surface of gear 18 will and the second tooth 20, will make vertical axis 17 and gear 18 together rotate, drive stock 19 through second tooth 20 and take place the motion, stock 19 will drive the motion of fly leaf 24 through vertical retort 21 this moment.
Wherein, the top of the bottom plate 1 is movably provided with a testing platform 22, the top of the bottom plate 1 is fixedly provided with a fixing plate 23 positioned at the back of the testing platform 22, the top of the bottom plate 1 is movably provided with a movable plate 24 positioned at the front of the testing platform 22, the bottom plate 1 is internally provided with a second rectangular groove 27 positioned below the movable plate 24, the inside of the second rectangular groove 27 is movably provided with a movable block 28 positioned at the bottom end of the movable plate 24, the top of the movable block 28 is fixedly connected with the movable plate 24, due to the operation of the driving motor 16, the vertical shaft 17 and the gear 18 can rotate together, at the moment, the long rod 19 can drive the movable plate 24 to move through the vertical block 21, so that the testing platform 22 is fixed at the top of the bottom plate 1, the long rod 19 is pushed downwards, at the moment, the outer surface of the gear 18 can be separated from the second tooth 20, so that the long rod 19 moves downwards and enters the clamping groove in the inner cavity of the bottom plate 1, thereby fixing the movable plate 24.
Wherein, the right-hand member of fly leaf 24 is seted up and is located the first rectangular channel 25 of riser 21 right-hand member, and the inside movable mounting of first rectangular channel 25 has horizontal piece 26, fixed connection between the left end of horizontal piece 26 and the riser 21, because the design of first rectangular channel 25, can play good limiting displacement to riser 21 for riser 21 is more stable when carrying out elevating movement, is convenient for carry out the fixed operation to test platform 22.
Wherein, the left end of the top of the testing platform 22 is provided with a first crack 29, the left end of the testing platform 22 is provided with a second crack 38, the top of the testing platform 22 is provided with a fourth crack 37, the front of the testing platform 22 is provided with a third crack 30, the testing platform 22 is internally provided with a first hole 32 and a second hole 33, the second hole 33 is positioned at the left lower part of the first hole 32, the testing platform 22 is internally and fixedly provided with a reinforcing steel bar 31, the right end of the testing platform 22 is fixedly provided with an uncompacted area 35, the testing platform 22 is internally and fixedly provided with a water-bearing layer 34, the defects on the testing platform are all elaborately designed, the sizes of the defects such as hole size, seam width and the like and the position burial depth and seam depth and the like are established, meanwhile, the method can reflect the actual complex situation of the project, can realize the function of simultaneously detecting various common defects, and has the condition of simultaneously carrying out comparison test on various detection devices.
The test platform 22 is a concrete structure carrier with the size of 3m × 1.5m × 1.2m, a first crack 29, a second crack 38, a third crack 30, a fourth crack 37, an uncompacted area 35, a first hole 32, a second hole 33, an aquifer 34 and a steel bar 31 are prefabricated on the structure carrier, all defects and steel bars are elaborately designed to ensure that test detection equipment and a detection method are not mutually influenced, and the manufacturing method of the test platform 22 is that cement: water: sand: the stone is 1: 0.625: 3.123: 3.816 concrete is poured into a template with the size of 3m multiplied by 1.5m multiplied by 1.2m, after sufficient vibration, the cotton quilt is maintained for 28 days, the first crack 29 and the second crack 38 are formed by drawing an iron plate coated with mineral oil, the length of which is 700mm, the width of which is 400mm and the thickness of which is 1mm, the length of the first crack 29 is the depth of the second crack 38, and the length of the second crack 38 is the depth of the first crack 29; the third crack 30 and the fourth crack 37 are formed by drawing an iron plate which is coated with mineral oil and has the length of 1200mm, the width of 600mm and the thickness of 2mm, the length of the third crack 30 is the depth of the fourth crack 37, the length of the fourth crack 37 is the depth of the third crack 30, the non-compact area is formed by filling stones with the grain diameter of 3cm to 5cm by using snake skin bags, the stones are piled into a cuboid with the length multiplied by the width multiplied by the height of 100cm multiplied by 15cm multiplied by 100cm, and then concrete is poured, and the first hole 32 is formed by vertically burying a covered PVC pipe with the diameter of 11cm and the length of 10 cm; the second hole 33 is formed by vertically embedding a PVC pipe with a cover and a diameter of 20cm and a length of 21cm, the aquifer is formed by horizontally embedding a water bottle filled with tap water and a diameter of 7.5cm and a length of 21cm, and the reinforcing steel bar 31 is formed by vertically embedding plain round reinforcing steel bars with a diameter of 1cm and a length of 100 cm.
The method comprises the following steps:
firstly, a worker places a testing platform 22 on the top of the bottom plate 1, one side of the testing platform 22 is in contact with the fixed plate 23, the handle 36 is pushed upwards to drive the long rod 19 to move upwards, at the moment, the outer surface of the gear 18 is meshed with the second teeth 20, the worker starts the driving motor 16, due to the operation of the driving motor 16, the vertical shaft 17 and the gear 18 rotate together, the long rod 19 is driven by the second teeth 20 to move, at the moment, the long rod 19 drives the movable plate 24 to move through the vertical block 21, the movable plate 24 pushes the testing platform 22 and extrudes the testing platform 22, the testing platform 22 is fixed on the top of the bottom plate 1, the long rod 19 is pushed downwards, at the moment, the outer surface of the gear 18 is separated from the second teeth 20, and the long rod 19 moves downwards and enters the clamping groove in the inner cavity of the bottom plate 1, thereby fixing the movable plate 24;
the concrete nondestructive testing equipment to be used is fixed on the clamp 15 by a worker, the driving motor 16 is started, the vertical shaft 17 and the gear 18 can rotate together due to the operation of the driving motor 16, at the moment, the outer surface of the first tooth 3 and the outer surface of the gear 18 are in a mutual meshing state, so that the first tooth 3 drives the moving rod 2 to rotate, the moving rod 2 drives the vertical rod 4 and the cross rod 7 to rotate together, the detection angle adjustment is facilitated, the pneumatic cylinder 6 is started, and the cross rod 7 can move up and down due to the operation of the pneumatic cylinder 6, so that the height of the clamp 15 can be adjusted;
the movable rod 13 is pulled upwards, the movable rod 13 and the movable plate 12 move upwards together, the bottom end of the movable rod 13 is separated from the cross rod 7 at the moment, the rigid spring 14 is in an elastic compression state due to extrusion, so that the limiting effect on the clamp 15 is removed, a worker can push the vertical plate 10 and further drive the clamp 15 to move, when the clamp 15 moves to a proper detection position, the movable rod 13 is loosened at the moment, a downward force is applied to the movable plate 12 due to the elastic recovery effect of the rigid spring 14, the movable plate 12 drives the movable rod 13 to move, the bottom end of the movable rod 13 enters the inside of the cross rod 7, and the clamp 15 is further fixed;
the method is characterized in that a large concrete component integrating various defects is built, the defects on a test platform are well designed, the sizes of the defects such as hole size, seam width and the like, the position burial depth and seam depth and the like are set, the actual complex conditions of the engineering can be reflected, the function of simultaneously detecting various common defects can be realized, and the conditions of comparison and test on various detection devices are provided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a concrete structure nondestructive test equipment test platform, includes bottom plate (1), its characterized in that: the movable mounting of the left end of the top of the bottom plate (1) is provided with a moving rod (2), the outer surface of the bottom of the moving rod (2) is fixedly provided with a first tooth (3) located inside the bottom plate (1), the right end of the moving rod (2) is fixedly provided with a vertical rod (4), the top of the vertical rod (4) is fixedly provided with a transverse rod (5), the top of the transverse rod (5) is fixedly provided with a pneumatic cylinder (6), the bottom of the pneumatic cylinder (6) penetrates through the transverse rod (5) and extends to the lower part of the transverse rod (5) and is fixedly provided with a transverse rod (7), the inside of the vertical rod (4) is provided with a groove (8) located at the left end of the transverse rod (7), the left end of the transverse rod (7) is fixedly provided with a moving block (9) located inside the groove (8), the outer surface of the transverse rod (7) is sleeved with a vertical plate (10), the top of the vertical plate (10) is fixedly provided with a shell (11), the movable plate (12) is sleeved in the shell (11) in a movable mode, and the movable rod (13) and the rigid spring (14) are movably mounted in the shell (11).
2. The testing platform of nondestructive testing equipment for concrete structures of claim 1, wherein: one end of the movable rod (13) sequentially penetrates through the movable plate (12) and the shell (11) and extends to the inside of the cross rod (7), the other end of the movable rod (13) penetrates through the shell (11) and extends to the upper side of the shell (11), a rigid spring (14) located inside the shell (11) is sleeved on the outer surface of the movable rod (13), and the two ends of the rigid spring (14) are fixedly connected with the top of the movable plate (12) and the top of the inner cavity of the shell (11) respectively.
3. The testing platform of nondestructive testing equipment for concrete structures of claim 1, wherein: the bottom fixed mounting of riser (10) has anchor clamps (15), the inside fixed mounting of bottom plate (1) has driving motor (16), vertical shaft (17) have been cup jointed to the other end of driving motor (16) output shaft, the other end fixed mounting of vertical shaft (17) has gear (18).
4. The testing platform of the nondestructive testing equipment for the concrete structure according to claim 3, wherein: the inside movable mounting of bottom plate (1) has stock (19) that are located gear (18) right-hand member, the front fixed mounting of stock (19) has handle (36), the front of handle (36) passes bottom plate (1) and extends to the place ahead of bottom plate (1).
5. The concrete structure nondestructive testing device testing platform of claim 4, wherein: the left end fixed mounting of stock (19) has second tooth (20), the bottom fixed mounting of stock (19) has riser block (21), the top of riser block (21) runs through stock (19) and bottom plate (1) and extends to the top of bottom plate (1).
6. The testing platform of nondestructive testing equipment for concrete structures of claim 5, wherein: the testing device comprises a base plate (1), a testing platform (22) is movably mounted at the top of the base plate (1), a fixing plate (23) located on the back face of the testing platform (22) is fixedly mounted at the top of the base plate (1), a movable plate (24) located on the front face of the testing platform (22) is movably mounted at the top of the base plate (1), a second rectangular groove (27) located below the movable plate (24) is formed in the base plate (1), a moving block (28) located at the bottom end of the movable plate (24) is movably mounted in the second rectangular groove (27), and the top of the moving block (28) is fixedly connected with the movable plate (24).
7. The testing platform of nondestructive testing equipment for concrete structures of claim 6, wherein: the right end of the movable plate (24) is provided with a first rectangular groove (25) located at the right end of the vertical block (21), a transverse block (26) is movably mounted inside the first rectangular groove (25), and the left end of the transverse block (26) is fixedly connected with the vertical block (21).
8. The testing platform of nondestructive testing equipment for concrete structures of claim 6, wherein: first crack (29) have been seted up to the left end at test platform (22) top, second crack (38) have been seted up to the left end of test platform (22), fourth crack (37) have been seted up at the top of test platform (22), third crack (30) have been seted up in the front of test platform (22), first hole (32) and second hole (33) have been seted up to the inside of test platform (22), second hole (33) are located the left side below of first hole (32), the inside fixed mounting of test platform (22) has reinforcing bar (31), the inside right-hand member fixed mounting of test platform (22) has non-compact district (35), the inside fixed mounting of test platform (22) has aquifer (34).
9. The testing platform of nondestructive testing equipment for concrete structures of claim 1, wherein: the test platform (22) is a concrete structure carrier with the size of 3m multiplied by 1.5m multiplied by 1.2m, a first crack (29), a second crack (38), a third crack (30), a fourth crack (37), an uncompacted area (35), a first hole (32), a second hole (33), a water-bearing layer (34) and a steel bar (31) are prefabricated on the structure carrier, and the test platform (22) is manufactured by the following steps: water: sand: the stone is 1: 0.625: 3.123: 3.816 concrete was poured into forms having dimensions of 3m by 1.5m by 1.2 m.
10. The nondestructive testing method for a concrete structure according to claim 1 to 9, wherein: the method comprises the following steps:
firstly, a worker places a testing platform (22) on the top of a bottom plate (1) to enable one side of the testing platform (22) to be in contact with a fixing plate (23), a handle (36) is pushed upwards to drive a long rod (19) to move upwards, at the moment, the outer surface of a gear (18) and a second tooth (20) are meshed with each other, the worker starts a driving motor (16), due to the operation of the driving motor (16), a vertical shaft (17) and the gear (18) rotate together, the second tooth (20) drives the long rod (19) to move, at the moment, the long rod (19) drives a movable plate (24) to move through a vertical block (21), the movable plate (24) pushes the testing platform (22) and extrudes the testing platform (22), the testing platform (22) is fixed on the top of the bottom plate (1), and the long rod (19) is pushed downwards, at the moment, the outer surface of the gear (18) is separated from the second tooth (20) so that the long rod (19) moves downwards and enters the clamping groove in the inner cavity of the bottom plate (1) to fix the movable plate (24);
the concrete nondestructive testing equipment to be used is fixed on a clamp (15) by a worker, a driving motor (16) is started, a vertical shaft (17) and a gear (18) can rotate together due to the operation of the driving motor (16), at the moment, the outer surface of a first tooth (3) and the outer surface of the gear (18) are in a mutual meshing state, so that a moving rod (2) is driven to rotate through the first tooth (3), the moving rod (2) drives a vertical rod (4) and a cross rod (7) to rotate together, the detection angle adjustment is facilitated, a pneumatic cylinder (6) is started, the cross rod (7) can move up and down due to the operation of the pneumatic cylinder (6), and the height of the clamp (15) can be adjusted conveniently;
the movable rod (13) is pulled upwards, the movable rod (13) and the movable plate (12) move upwards together, the bottom end of the movable rod (13) is separated from the cross rod (7), the rigid spring (14) is in an elastic compression state due to extrusion, the limiting effect on the clamp (15) is relieved, a worker can push the vertical plate (10) and further drive the clamp (15) to move, when the clamp (15) moves to a proper detection position, the movable rod (13) is loosened at the moment, due to the elastic recovery effect of the rigid spring (14), a downward force is applied to the movable plate (12), the movable rod (13) is driven by the movable plate (12) to move, the bottom end of the movable rod (13) enters the inside of the cross rod (7), and the clamp (15) is fixed;
the method is characterized in that a large concrete component integrating various defects is built, the defects on a test platform are well designed, the sizes (such as hole sizes, seam widths and the like) and the positions (buried depth, seam depth and the like) of the defects are set, the actual complex conditions of the engineering can be reflected, the function of simultaneously detecting various common defects can be realized, and the conditions for comparison and test on various detection devices are provided.
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