CN114166131A - System for detecting elongation after fracture of steel bar and using method thereof - Google Patents
System for detecting elongation after fracture of steel bar and using method thereof Download PDFInfo
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- CN114166131A CN114166131A CN202111512172.3A CN202111512172A CN114166131A CN 114166131 A CN114166131 A CN 114166131A CN 202111512172 A CN202111512172 A CN 202111512172A CN 114166131 A CN114166131 A CN 114166131A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 82
- 239000010959 steel Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
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- 208000032544 Cicatrix Diseases 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 230000037387 scars Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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Abstract
The invention relates to the technical field of steel bar detection, in particular to a system for detecting elongation of broken steel bars and a using method thereof. The detection system provided by the invention has the advantages of simple structure, small volume and flexible use, does not need to go back and forth to a laboratory for waiting detection results, and can avoid errors caused by manual detection, thereby greatly improving the convenience and the accuracy of use.
Description
Technical Field
The invention relates to an elongation detection system and a use method thereof, in particular to a system for detecting the elongation of a broken steel bar and a use method thereof, and belongs to the technical field of steel bar detection.
Background
Each batch of reinforcing steel bars should have a factory testing qualification certificate meeting the standard, a mechanical property and chemical composition test report sheet, and various indexes, data, batch, description and visa sealing of the sheet, and should be complete, accurate and real.
Each batch of the steel bars consists of the same grade, the same furnace charge number, the same specification and the same delivery state.
The construction unit laboratory should carry out the detection test to the transported steel bar according to the relevant regulations, put forward the steel bar test identification report as the basis for using the steel bar, when the detection test result is not in accordance with the original certificate and the test report, sample again, check again and judge, and find out the reason, determine the treatment method for later use.
The surface of the steel bar can not have the conditions of cracks, scars, folds and the like, the steel bar qualified through the detection test needs to be subjected to chemical component analysis again for identification in the processing and installation processes if an abnormal phenomenon occurs, and the steel bar can be stopped immediately if the test is unqualified.
Therefore, it is very important to perform elongation test on the steel bars, and the conventional method is to send the broken steel bars to a laboratory or to perform simple estimation by workers, so that a lot of time is wasted, even a construction period is delayed, and if a ruler is used manually for prediction, a lot of time is wasted, and the accuracy is not high.
Therefore, it is desired to improve the elongation after fracture of the reinforcing bar to solve the above existing problems.
Disclosure of Invention
The detection system provided by the invention has the advantages of simple structure, small volume and flexibility in use, does not need to go to and fro a laboratory and other detection results, and can avoid errors caused by manual detection, so that the convenience and the accuracy of use are greatly improved.
In order to achieve the purpose, the invention adopts the main technical scheme that:
a system for detecting the elongation percentage of a broken steel bar comprises an electric cabinet and a brake base fixed on the electric cabinet, wherein symmetrically distributed clamping structures are arranged on the brake base in a sliding mode and comprise a transverse sliding structure and a longitudinal sliding structure, and the transverse sliding structure is arranged on the upper side face of the longitudinal sliding structure in a sliding mode;
a longitudinal detection structure and a plurality of third infrared detectors are arranged between the two transverse sliding structures, one end of the longitudinal detection structure is fixedly connected with the electric cabinet through a second telescopic rod, and the longitudinal detection structure is used for testing the cross street area of the steel bar;
the electric cabinet is characterized in that a storage battery is fixedly arranged inside the electric cabinet, a central processing chip is connected to the storage battery, and the central processing chip is in communication connection with the longitudinal detection structure and the third infrared detector respectively.
Through the technical scheme, a construction unit laboratory carries out detection test on the transported steel bars according to relevant regulations, provides a steel bar test identification report sheet as a basis for using the steel bars, and when the detection test result is inconsistent with the original certificate and the test report, the steel bars are sampled again, tested again, judged, reasons are found, and the steel bars can be used after the treatment method is determined, so that the broken steel bars need to be effectively tested, the traditional method is to send the broken steel bars to a set laboratory or carry out simple estimation by workers, so that a large amount of time is wasted, even the construction period is delayed, the workers use a ruler gauge for prediction, a large amount of time is wasted, and the precision is not high, the detection system provided by the invention has a simple structure, small volume and flexible use, does not need to go back and forth to the laboratory and other detection results, and avoids errors caused by manual detection, therefore, the convenience and the accuracy of use are greatly improved;
the device can be directly used for a direct measurement method, the undamaged reinforcing steel bars are directly fixed on a brake base, measurement is directly carried out through a third infrared detector, then the reinforcing steel bars at the fracture positions are moved between two transverse sliding structures, the fractured reinforcing steel bars are measured through the third infrared detector, the measurement is effective regardless of the fracture positions, and the first measurement value and the second measurement value are read to calculate the elongation;
in order to avoid that the fracture positions are not on the same horizontal axis, two fractured steel bars can be respectively fixed on two transverse sliding structures, and the concrete method comprises the following steps:
a. the original gauge length L0 is subdivided into N equal parts by a third infrared detector before detection;
b. after the broken steel bars are separated by the longitudinal sliding structure, detecting the short sections of the steel bars by the longitudinal detection structure 7, marking the short sections with X, detecting the long sections of the steel bars with Y;
c. equally dividing the space between the X and the Y by using a third infrared detector, wherein the grid number is n;
d. if N-N is an even number, measuring the distance between X and Y, and measuring the distance from Y to 1/2 (N-N) grid Z marks;
the elongation after break A = (XY +2YZ-L0)/L0 × 100%;
e. if N-N is an odd number, measuring the distance between X and Y, and measuring the distance from Y to the marks of 1/2 (N-N + 1) bins Z ' and Z ' ';
the elongation after break A = (XY + YZ' + YZ "-L0)/L0 x 100%;
F. the calculation formula of the elongation is as follows:
δ=(L1-L0)/L0*100%;
wherein, delta is elongation, L1 is the original gauge length of the steel bar, and L0 is the gauge length after the steel bar is broken;
preferably, the brake base is provided with a longitudinal sliding groove and a brake groove, and the longitudinal sliding groove is provided with symmetrically distributed limit plate grooves;
the bottom of the longitudinal sliding structure is provided with a longitudinal sliding block, the longitudinal sliding block is arranged in the longitudinal sliding groove in a sliding mode, the longitudinal sliding block is fixedly provided with limiting sliding plates which are symmetrically distributed, and the limiting sliding plates are arranged in the limiting plate groove in a sliding mode.
Preferably, the bottom of the longitudinal sliding block is fixedly provided with a braking bump, a first telescopic rod is fixedly arranged inside the braking groove, the output end of the first telescopic rod is fixedly connected with the braking bump, and the first telescopic rod is used for longitudinally pushing the longitudinal sliding structure.
Through the technical scheme, the first telescopic rod can push the longitudinal sliding structure and enable the two fractured reinforcing steel bars to be close to or far away from each other, so that the original length and the fractured length of the reinforcing steel bars can be conveniently tested, the output end of the first telescopic rod is fixedly connected with the braking lug in the movement process of the first telescopic rod, the longitudinal movement of the longitudinal sliding structure can be pushed, meanwhile, the longitudinal sliding block on the longitudinal sliding structure can slide in the limiting plate groove of the connecting plate, so that the transmission stability of the longitudinal sliding structure is ensured, the structure is simple, the use is convenient, the measurement is convenient, the size is small, the carrying and the transportation are convenient, and the use convenience is greatly improved;
preferably, a transverse sliding piece sliding groove is formed in the middle of the longitudinal sliding structure, the inside of the transverse sliding piece sliding groove is connected with the transverse sliding structure through a transverse transmission piece, a transverse sliding piece is connected to the bottom of the transverse sliding structure, and the transverse sliding piece is arranged inside the transverse sliding piece sliding groove in a sliding manner;
the upper end of the longitudinal sliding structure is provided with a holding plate, the holding plate is in accordance with the height of the transverse sliding structure, the transverse transmission part comprises a transverse transmission handle and a transverse transmission shaft, the transverse transmission shaft penetrates through the transverse sliding part sliding groove and extends to the outside of the transverse sliding part sliding groove, the transverse sliding part is rotatably arranged on the transverse transmission shaft, the transverse transmission handle is arranged on the outside of the transverse sliding part sliding groove and fixedly connected with the transverse transmission shaft, the transverse transmission shaft is used for transversely pushing the transverse sliding structure, a limiting ring is arranged on the transverse transmission part, and the limiting ring is abutted to the transverse sliding part sliding groove.
Through above technical scheme, there is the lateral sliding structure braking base is last through transverse transmission spare sliding connection, consequently can take place horizontal motion with the lateral sliding structure through rotating the lateral transmission handle on the transverse transmission spare, and then the lateral sliding structure is close to each other with adding the holding plate to can step up the reinforcing bar, easy operation, convenient to use can measure the reinforcing bar of different diameters, promotes the scope that this system used greatly.
Preferably, the longitudinal detection structure is fixedly connected with the second telescopic rod, a second infrared detector and a plurality of first infrared detectors are fixedly arranged on the longitudinal detection structure, the first infrared detectors are centrosymmetric with respect to the second infrared detector, and the longitudinal detection structure is arranged between the two transverse sliding structures.
Through above technical scheme, vertically detect structural first infrared detector and the infrared detector of second outside detecting the distance between the reinforcing bar fracture department, can also be used for detecting the diameter of fracture department reinforcing bar to and the diameter of reinforcing bar original paper, and then can compare the size and the primary size of fracture department, detect the ductility of reinforcing bar.
Preferably, the display tank has been seted up to the last side of electric cabinet, the inside in display tank is connected with the display through rivet rotation, the display pass through the wire with central processing chip electric connection, the display handle has been seted up to one side of display, the display handle is used for rotating vertically detect the structure, the display can directly present the data after central processing chip handles, observes conveniently, promotes the intuitionistic nature of use.
Preferably, a connecting plate is fixedly arranged on one side, close to the electric cabinet, of the brake base, a plurality of third infrared detectors are uniformly distributed on the connecting plate, an organic protective cover is rotatably arranged on the upper side face of the connecting plate through a hinge, the rotating angle range of the organic protective cover is 0-90 degrees, a temperature control groove is formed in the brake base under the longitudinal detection structure, a heating ring is arranged in the temperature control groove, the bottom of the heating ring is connected with a fan, and the fan and the heating ring are electrically connected with the central processing chip through a wire;
organic protection casing, heating collar and fan can provide strong guarantee for the detection of reinforcing bar, and organic protection casing can protect, and heating collar and fan can cool down and heat the device, make the temperature keep under the state of normal atmospheric temperature to guarantee the precision that detects.
A using method of a system for detecting the elongation after fracture of a steel bar comprises the following steps:
the method comprises the following steps: firstly, rotating an organic protective cover on a connecting plate upwards, and placing two broken steel bars on a brake base;
step two: respectively placing two ends of the broken steel bar between the transverse sliding structure and the holding plate, and placing the broken part of the steel bar between the transverse sliding structures;
step three: the reinforcing steel bars are fixed between the transverse sliding structure and the clamping plate by rotating the transverse transmission handle, then a first telescopic rod in the braking groove is started to enable the fracture parts of the reinforcing steel bars to be close to each other until the fracture parts are abutted against each other, and then the stretching distance is tested by a third infrared detector on the connecting plate;
step four: starting the first telescopic rod to enable the two longitudinal sliding structures to move outwards, separating the fracture part of the steel bar, starting the second telescopic rod, pushing the longitudinal detection structure on the second telescopic rod to the fracture part of the steel bar, and measuring the cross street area of the steel bar by using a first infrared detector on the longitudinal detection structure;
step five: and the data measured by the third infrared detector and the longitudinal detection structure are transmitted to the central processing chip, and the central processing chip processes the data and then transmits the processed data to the display for display.
The invention has at least the following beneficial effects:
1. first telescopic link promotes longitudinal sliding structure and makes two cracked reinforcing bars be close to each other or keep away from, be convenient for test the original length of reinforcing bar and the length after disconnected, can take place horizontal motion with the transverse sliding structure through rotating the transverse transmission handle on the transverse transmission spare, and then the transverse sliding structure is close to each other with holding the board, thereby can step up the reinforcing bar, moreover, the operation is simple, high durability and convenient use, can measure the reinforcing bar of different diameters, promote the scope that this system used greatly, small in size, it is nimble to use, need not come and go the laboratory wait the result that detects, and can also avoid because the produced error of manual detection, consequently, promote convenience and the accuracy of use greatly.
2. The first infrared detector and the second infrared detector of vertical detection structure can also be used for detecting the diameter of fracture department reinforcing bar outside detecting the distance between the reinforcing bar fracture department to and the diameter of reinforcing bar original paper, and then can compare the size of fracture department with former size, detect the ductility of reinforcing bar.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is an exploded view of the longitudinal sliding structure of the present invention;
FIG. 5 is a perspective view of the longitudinal sliding motion structure of the present invention;
fig. 6 is a sectional view of the electric cabinet of the present invention.
In the figure, 1-an electric cabinet, 101-a display groove, 2-a brake base, 201-a connecting plate, 202-a longitudinal sliding groove, 203-a limiting plate groove, 204-a temperature control groove, 205-a brake groove, 3-a holding structure, 4-a transverse sliding structure, 401-a transverse sliding part, 5-a longitudinal sliding structure, 501-a longitudinal sliding block, 502-a limiting sliding plate, 503-a brake bump, 504-a holding plate, 505-a transverse sliding part sliding groove, 6-a transverse transmission part, 601-a transverse transmission handle, 602-a transverse transmission shaft, 603-a limiting ring, 7-a longitudinal detection structure, 701-a first infrared detector, 702-a second infrared detector, 8-a first telescopic rod, 9-a heating ring and 901-a fan, 10-a second telescopic rod, 11-a central processing chip, 12-a hinge, 13-an organic protective cover, 14-a storage battery, 15-a third infrared detector, 16-a display and 17-a display handle.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As shown in fig. 1 to 6, the system for detecting elongation after fracture of a steel bar provided by this embodiment includes an electric cabinet 1 and a braking base 2 fixed on the electric cabinet 1, wherein symmetrically distributed clamping structures 3 are slidably disposed on the braking base 2, each clamping structure 3 includes a transverse sliding structure 4 and a longitudinal sliding structure 5, and the transverse sliding structure 4 is slidably disposed on an upper side surface of the longitudinal sliding structure 5;
a longitudinal detection structure 7 and a plurality of third infrared detectors 15 are arranged between the two transverse sliding structures 4, one end of the longitudinal detection structure 7 is fixedly connected with the electric cabinet 1 through a second telescopic rod 10, and the longitudinal detection structure 7 is used for testing the cross street area of the steel bar;
a storage battery 14 is fixedly arranged inside the electric cabinet 1, a central processing chip 11 is connected to the storage battery 14, and the central processing chip 11 is in communication connection with the longitudinal detection structure 7 and the third infrared detector 15 respectively;
the construction unit laboratory should carry on the detection test to the steel bar transported in according to the relevant stipulation, propose "steel bar test appraisal report sheet" as the basis to use the steel bar, when the test result of detection is inconsistent with original certificate and test report, should sample again and check again and judge, and find out the reason, can use after confirming the treatment method, therefore need to carry on the effective test to the steel bar after cutting off, the traditional method is to send the steel bar after cutting off to the laboratory made or carry on the simple estimation by the worker, therefore will waste a large amount of time, will delay the time limit even, the worker utilizes the ruler to predict, will waste a large amount of time too, and the precision is not high yet, the detecting system that the invention provides, simple in construction, small, use flexibly, do not need to go back and forth the result of waiting for the laboratory, and will avoid because the error that the manual detection produces, therefore, the convenience and the accuracy of use are greatly improved;
a connecting plate 201 is fixedly arranged on one side, close to the electric cabinet 1, of the brake base 2, and a plurality of third infrared detectors 15 are uniformly distributed on the connecting plate 201;
furthermore, the device can be directly used for a direct measurement method, the steel bar without damage is directly fixed on the brake base 2, the measurement is directly carried out through the third infrared detector 15, then the steel bar at the fracture position is moved between the two transverse sliding structures 4, the fractured steel bar is measured through the third infrared detector 15, the measurement is effective no matter where the fracture position is located, and the first measurement value and the second measurement value are read to calculate the elongation;
furthermore, in order to avoid the fracture position not being on the same horizontal axis, two broken steel bars can be respectively fixed on the two transverse sliding structures 4, and the specific method comprises the following steps:
f. the original gauge length L0 is subdivided into N equal parts by the third infrared detector 15 before detection;
g. after the broken steel bars are separated by the longitudinal sliding structure 5, detecting the short sections of the steel bars by the longitudinal detection structure 7, marking the short sections with X, detecting the long sections of the steel bars with Y;
h. then, a third infrared detector 15 is used for equally dividing the space between the X and the Y, and the grid number is n;
i. if N-N is an even number, measuring the distance between X and Y, and measuring the distance from Y to 1/2 (N-N) grid Z marks;
the elongation after break A = (XY +2YZ-L0)/L0 × 100%;
j. if N-N is an odd number, measuring the distance between X and Y, and measuring the distance from Y to the marks of 1/2 (N-N + 1) bins Z ' and Z ' ';
the elongation after break A = (XY + YZ' + YZ "-L0)/L0 x 100%;
G. the calculation formula of the elongation is as follows:
δ=(L1-L0)/L0*100%;
wherein, delta is elongation, L1 is the original gauge length of the steel bar, and L0 is the gauge length after the steel bar is broken;
the brake base 2 is provided with a longitudinal sliding groove 202 and a brake groove 205, the longitudinal sliding groove 202 is provided with symmetrically distributed limit plate grooves 203, the bottom of the longitudinal sliding structure 5 is provided with a longitudinal sliding block 501, the longitudinal sliding block 501 is slidably arranged inside the longitudinal sliding groove 202, the longitudinal sliding block 501 is fixedly provided with symmetrically distributed limit sliding plates 502, the limit sliding plates 502 are slidably arranged inside the limit plate grooves 203, the bottom of the longitudinal sliding block 501 is fixedly provided with a brake bump 503, the brake groove 205 is fixedly provided with a first telescopic rod 8, the output end of the first telescopic rod 8 is fixedly connected with the brake bump 503, and the first telescopic rod 8 is used for longitudinally pushing the longitudinal sliding structure 5;
the first telescopic rod 8 can push the longitudinal sliding structure 5 and enable the two fractured steel bars to be close to or far away from each other, so that the original length and the fractured length of the steel bars can be conveniently tested, the output end of the first telescopic rod 8 is fixedly connected with the braking bump 503 in the moving process of the first telescopic rod 8, the longitudinal movement of the longitudinal sliding structure 5 can be pushed, meanwhile, the longitudinal sliding block 501 on the longitudinal sliding structure 5 can slide in the limiting plate groove 203 on the connecting plate 201, so that the transmission stability of the longitudinal sliding structure 5 is ensured, the structure is simple, the use is convenient, the measurement is convenient, the size is small, the carrying and the transportation are convenient, and the use convenience is greatly improved;
in this embodiment, as shown in fig. 4, a transverse sliding member sliding slot 505 is formed in the middle of the longitudinal sliding structure 5, the inside of the transverse sliding member sliding slot 505 is connected to the transverse sliding structure 4 through a transverse transmission member 6, a transverse sliding member 401 is connected to the bottom of the transverse sliding structure 4, the transverse sliding member 401 is slidably disposed inside the transverse sliding member sliding slot 505, a holding plate 504 is disposed at the upper end of the longitudinal sliding structure 5, the holding plate 504 is at the same height as the transverse sliding structure 4, the transverse transmission member 6 includes a transverse transmission handle 601 and a transverse transmission shaft 602, the transverse transmission shaft 602 penetrates through the transverse sliding member sliding slot 505 and extends to the outside of the transverse sliding member sliding slot 505, the transverse sliding member 401 is rotatably disposed on the transverse transmission shaft 602, the transverse transmission handle 601 is disposed outside the transverse sliding member sliding slot 505 and is fixedly connected to the transverse transmission shaft 602, the transverse transmission shaft 602 is used for transversely pushing the transverse sliding structure 4, the transverse transmission member 6 is provided with a limiting ring 603, and the limiting ring 603 abuts against the transverse sliding member sliding groove 505.
The transverse sliding structure 4 is connected to the brake base 2 in a sliding mode through the transverse transmission piece 6, so that the transverse sliding structure 4 can move transversely by rotating the transverse transmission handle 601 on the transverse transmission piece 6, and the transverse sliding structure 4 and the clamping plate 504 are close to each other, so that reinforcing steel bars can be clamped, the operation is simple, the use is convenient, the reinforcing steel bars with different diameters can be measured, and the use range of the system is greatly expanded;
in this embodiment, as shown in fig. 6, the longitudinal detection structure 7 is fixedly connected to the second telescopic rod 10, the longitudinal detection structure 7 is fixedly provided with a second infrared detector 702 and a plurality of first infrared detectors 701, the first infrared detectors 701 are centrosymmetric with respect to the second infrared detector 702, and the longitudinal detection structure 7 is disposed between the two lateral sliding structures 4.
The first infrared detector 701 and the second infrared detector 702 on the longitudinal detection structure 7 can be used for detecting the diameter of the steel bar at the fracture position and the diameter of the original steel bar besides detecting the distance between the fracture positions of the steel bar, so that the size of the fracture position can be compared with the original size, and the ductility of the steel bar can be detected;
in this embodiment, as shown in fig. 3, a display slot 101 is formed in the upper side surface of the electric cabinet 1, a display 16 is rotatably connected to the inside of the display slot 101 through a rivet, the display 16 is electrically connected to the central processing chip 11 through a wire, a display handle 17 is formed in one side of the display 16, the display handle 17 is used for rotating the longitudinal detection structure 7, and the display 16 can directly present data processed by the central processing chip 11, so that the observation is convenient, and the use intuitiveness is improved;
the upper side face of the connecting plate 201 is rotatably provided with an organic protective cover 13 through a hinge 12, the rotating angle range of the organic protective cover 13 is 0-90 degrees, a temperature control groove 204 is formed in the brake base 2 right below the longitudinal detection structure 7, a heating ring 9 is arranged inside the temperature control groove 204, the bottom of the heating ring 9 is connected with a fan 901, and the fan 901 and the heating ring 9 are both electrically connected with the central processing chip 11 through wires;
the organic protective cover 13, the heating ring 9 and the fan 901 can provide a powerful guarantee for the detection of the reinforcing steel bars, the organic protective cover 13 can protect, the heating ring 9 and the fan 901 can cool and heat the device, so that the temperature is kept at a normal temperature state, and the detection precision is guaranteed.
As shown in fig. 1 to 6, the method for using the system for detecting elongation after fracture of a steel bar provided by this embodiment includes the following steps:
the method comprises the following steps: firstly, the organic protective cover 13 on the connecting plate 201 is rotated upwards, and the two cut reinforcing steel bars are placed on the braking base 2;
step two: respectively placing two ends of the broken steel bars between the transverse sliding structures 4 and the clamping plates 504, and placing the broken positions of the steel bars between the transverse sliding structures 4;
step three: the reinforcing steel bars are fixed between the transverse sliding structure 4 and the holding plate 504 by rotating the transverse transmission handle 601, then the first telescopic rod 8 in the brake groove 205 is started to enable the fracture positions of the reinforcing steel bars to be close to each other until the fracture positions are abutted against each other, and then the stretching distance is tested by the third infrared detector 15 on the connecting plate 201;
step four: starting the first telescopic rod 8 to enable the two longitudinal sliding structures 5 to move outwards, separating the broken part of the steel bar, starting the second telescopic rod 10, pushing the longitudinal detection structure 7 on the second telescopic rod 10 to the broken part of the steel bar, and measuring the cross street area of the steel bar by using the first infrared detector 701 on the longitudinal detection structure 7;
step five: the data measured by the third infrared detector 15 and the longitudinal detection structure 7 are transmitted to the central processing chip 11, and the central processing chip 11 processes the data and transmits the processed data to the display 16 for display.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The system for detecting the elongation after breakage of the steel bar comprises an electric cabinet (1) and a braking base (2) fixed on the electric cabinet (1), and is characterized in that symmetrically distributed clamping structures (3) are arranged on the braking base (2) in a sliding manner, each clamping structure (3) comprises a transverse sliding structure (4) and a longitudinal sliding structure (5), and each transverse sliding structure (4) is arranged on the upper side face of each longitudinal sliding structure (5) in a sliding manner;
a longitudinal detection structure (7) and a plurality of third infrared detectors (15) are arranged between the two transverse sliding structures (4), one end of the longitudinal detection structure (7) is fixedly connected with the electric cabinet (1) through a second telescopic rod (10), and the longitudinal detection structure (7) is used for testing the cross street area of the steel bar;
the electric cabinet is characterized in that a storage battery (14) is fixedly arranged inside the electric cabinet (1), a central processing chip (11) is connected to the storage battery (14), and the central processing chip (11) is in communication connection with the longitudinal detection structure (7) and the third infrared detector (15) respectively.
2. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: the brake base (2) is provided with a longitudinal sliding groove (202) and a brake groove (205), and the longitudinal sliding groove (202) is provided with limit plate grooves (203) which are symmetrically distributed;
the bottom of the longitudinal sliding structure (5) is provided with a longitudinal sliding block (501), the longitudinal sliding block (501) is arranged in the longitudinal sliding groove (202) in a sliding mode, the longitudinal sliding block (501) is fixedly provided with limiting sliding plates (502) which are symmetrically distributed, and the limiting sliding plates (502) are arranged in the limiting plate groove (203) in a sliding mode.
3. The system for detecting the elongation after fracture of the steel bar according to claim 2, wherein: the bottom of the longitudinal sliding block (501) is fixedly provided with a braking bump (503), the inside of the braking groove (205) is fixedly provided with a first telescopic rod (8), the output end of the first telescopic rod (8) is fixedly connected with the braking bump (503), and the first telescopic rod (8) is used for longitudinally pushing the longitudinal sliding structure (5).
4. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: a transverse sliding piece sliding groove (505) is formed in the middle of the longitudinal sliding structure (5), and the inside of the transverse sliding piece sliding groove (505) is connected with the transverse sliding structure (4) through a transverse transmission piece (6);
the bottom of the transverse sliding structure (4) is connected with a transverse sliding piece (401), and the transverse sliding piece (401) is arranged in the transverse sliding piece sliding groove (505) in a sliding manner;
the upper end of the longitudinal sliding structure (5) is provided with a clamping plate (504), and the clamping plate (504) is consistent with the transverse sliding structure (4) in height.
5. The system for detecting elongation after fracture of steel bar according to claim 4, wherein: the transverse transmission part (6) comprises a transverse transmission handle (601) and a transverse transmission shaft (602), the transverse transmission shaft (602) penetrates through the transverse sliding piece sliding groove (505) and extends to the outside of the transverse sliding piece sliding groove (505), and the transverse sliding piece (401) is rotatably arranged on the transverse transmission shaft (602);
the transverse transmission handle (601) is arranged outside the transverse sliding piece sliding groove (505) and is fixedly connected with the transverse transmission shaft (602), and the transverse transmission shaft (602) is used for transversely pushing the transverse sliding structure (4);
and a limiting ring (603) is arranged on the transverse transmission piece (6), and the limiting ring (603) is abutted against the transverse sliding piece sliding groove (505).
6. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: the longitudinal detection structure (7) is fixedly connected with the second telescopic rod (10), a second infrared detector (702) and a plurality of first infrared detectors (701) are fixedly arranged on the longitudinal detection structure (7), the first infrared detectors (701) are centrally symmetrical with respect to the second infrared detectors (702), and the longitudinal detection structure (7) is arranged between the two transverse sliding structures (4).
7. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: the upper side surface of the electric cabinet (1) is provided with a display groove (101), the inside of the display groove (101) is rotatably connected with a display (16) through a rivet, and the display (16) is electrically connected with the central processing chip (11) through a wire;
a display handle (17) is arranged on one side of the display (16), and the display handle (17) is used for rotating the longitudinal detection structure (7).
8. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: a connecting plate (201) is fixedly arranged on one side, close to the electric cabinet (1), of the brake base (2), and a plurality of third infrared detectors (15) are uniformly distributed on the connecting plate (201);
the upper side face of the connecting plate (201) is rotatably provided with an organic protective cover (13) through a hinge (12), and the rotating angle range of the organic protective cover (13) is 0-90 degrees.
9. The system for detecting the elongation after fracture of the steel bar according to claim 1, wherein: a temperature control groove (204) is formed in the brake base (2) under the longitudinal detection structure (7), a heating ring (9) is arranged inside the temperature control groove (204), a fan (901) is connected to the bottom of the heating ring (9), and the fan (901) and the heating ring (9) are electrically connected with the central processing chip (11) through wires.
10. A use method of a system for detecting the elongation after fracture of a steel bar is characterized in that: the method comprises the following steps:
the method comprises the following steps: firstly, an organic protective cover (13) on a connecting plate (201) is rotated upwards, and two sections of broken steel bars are placed on a braking base (2);
step two: respectively placing two ends of the broken steel bar between the transverse sliding structure (4) and the clamping plate (504), and placing the broken part of the steel bar between the transverse sliding structures (4);
step three: the reinforcing steel bars are fixed between the transverse sliding structure (4) and the clamping plate (504) by rotating the transverse transmission handle (601), then a first telescopic rod (8) in the brake groove (205) is started to enable the fracture parts of the reinforcing steel bars to be close to each other until the fracture parts are abutted against each other, and then a third infrared detector (15) on the connecting plate (201) is used for testing the stretching distance;
step four: starting a first telescopic rod (8) to enable two longitudinal sliding structures (5) to move outwards, separating the broken positions of the steel bars, starting a second telescopic rod (10), pushing a longitudinal detection structure (7) on the second telescopic rod (10) to the broken positions of the steel bars, and measuring the cross street area of the steel bars by using a first infrared detector (701) on the longitudinal detection structure (7);
step five: the data measured by the third infrared detector (15) and the longitudinal detection structure (7) are transmitted to the central processing chip (11), and the central processing chip (11) processes the data and then transmits the processed data to the display (16) for displaying.
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