CN113008663A - Reinforcing bar field detection device for engineering management - Google Patents
Reinforcing bar field detection device for engineering management Download PDFInfo
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- CN113008663A CN113008663A CN202110217887.XA CN202110217887A CN113008663A CN 113008663 A CN113008663 A CN 113008663A CN 202110217887 A CN202110217887 A CN 202110217887A CN 113008663 A CN113008663 A CN 113008663A
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- connecting rod
- rotating shaft
- steel bar
- fixing block
- reinforcing steel
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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
- G01N3/02—Details
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a reinforcing steel bar field detection device for engineering management, and belongs to the technical field of reinforcing steel bar detection. This reinforcing bar field detection device for engineering management includes: the front surface of the substrate is provided with a first rotating shaft and a second rotating shaft which are vertical to the surface of the substrate; one end of the first connecting rod is fixedly connected with the first rotating shaft, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with one end of the third connecting rod, and the other end of the third connecting rod is hinged on the second rotating shaft; the first fixing device is fixed on the front surface of the substrate and is close to the second rotating shaft; the second fixing device is arranged on the third connecting rod. The reinforcing steel bar field detection device for engineering management realizes the reciprocating motion of the reinforcing steel bar by fixing the reinforcing steel bar on the rocker mechanism, generates repeated and periodic dynamic load on the reinforcing steel bar to verify the fatigue strength of the reinforcing steel bar, and judges whether the reinforcing steel bar is qualified or not by detecting the reinforcing steel bar on a construction field.
Description
Technical Field
The invention relates to the technical field of steel bar detection, in particular to a steel bar field detection device for engineering management.
Background
The fatigue of the steel bar refers to the phenomenon that the steel bar is suddenly brittle and broken after a certain number of times under the action of bearing repeated and periodic dynamic loads. The fatigue strength of a steel bar refers to the maximum stress value at which fatigue failure occurs after the steel bar is subjected to cyclic loading for a certain number of times within a certain specified stress range.
The reason why the steel bar is broken by fatigue is considered to be that stress concentration is easily caused at the weak portions due to defects inside and outside the steel bar, the stress is too high, the steel material crystal grains slip, fatigue cracks are generated, the number of times of stress repetition increases, and cracks propagate, thereby causing breakage.
The reinforcing steel bar field detection device for engineering management is designed aiming at the problem that a reinforcing steel bar field detection device for engineering management is designed, wherein the reinforcing steel bar field detection device for the engineering management aims at solving the problems that a bridge with a steel body structure and a concrete structure is influenced by wind power and continuous vehicle rolling in the using process and the bridge is subjected to periodic vibration, so that reinforcing steel bars in the bridge are subjected to periodic dynamic load, the quality of the bridge is unqualified when the reinforcing steel bars do not reach specific fatigue strength, and the bridge is in a collapse risk when the reinforcing steel bars are serious.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a reinforcing steel bar field detection device for engineering management.
The invention provides a reinforcing steel bar field detection device for engineering management, which comprises: the front surface of the base plate is provided with a first rotating shaft and a second rotating shaft which are vertical to the surface of the base plate, the first rotating shaft penetrates through the surface of the base plate and is fixedly connected with an output shaft of a motor, and the motor is fixed on the back surface of the base plate;
the rocker mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein one end part of the first connecting rod is fixedly connected with a first rotating shaft, the other end part of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with one end of the third connecting rod, and the other end of the third connecting rod is hinged on the second rotating shaft;
the first fixing device is fixed on the front surface of the substrate and is close to the second rotating shaft;
the second fixing device is arranged on the third connecting rod;
the front of the substrate is provided with a photosensitive sensor used for detecting the rotation of the first connecting rod by a circle, the photosensitive sensor is positioned on the front of the substrate within the radius range of the first connecting rod, the photosensitive sensor is electrically connected with a processor and a motor, and the processor is arranged on the back of the substrate.
Preferably, the first fixing device comprises a first fixing block, the first fixing block is fixed on the front surface of the substrate, the first fixing block is close to the second rotating shaft, a first blind hole formed in the first fixing block is perpendicular to the second rotating shaft, and an opening of the first blind hole faces the second rotating shaft; the surface of the first fixing block is provided with a first threaded hole which is communicated with the first blind hole, and the first threaded hole is matched with the first bolt.
Preferably, the second fixing device includes a T-shaped slider and a second fixing block, the third connecting rod is provided with a T-shaped chute along the length direction thereof, the T-shaped chute is in sliding fit with the T-shaped slider, the surface of the T-shaped slider is fixedly connected with the bottom surface of the second fixing block, the second fixing block is provided with a horizontal second blind hole, the opening of the second blind hole faces the second rotating shaft, the upper surface of the second fixing block is provided with a second threaded hole, and the second threaded hole is matched with the second bolt.
Preferably, the second connecting rod is provided with a plurality of through holes perpendicular to the substrate, the plurality of through holes are close to the third connecting rod, and the plurality of through holes are arranged along the length direction of the second connecting rod.
Preferably, the front surface of the substrate is hinged with two rollers, the axes of the two rollers are perpendicular to the substrate, and the two rollers are arranged on the left side and the right side below the second rotating shaft.
Preferably, the top surface of the first fixed block is fixedly connected with a panel parallel to the substrate, and the panel covers the tops of the two rollers.
Preferably, the two rollers are grooved wheels.
Compared with the prior art, the invention has the beneficial effects that:
1. the reinforcing steel bar field detection device for engineering management realizes the reciprocating motion of the reinforcing steel bar by fixing the reinforcing steel bar on the rocker mechanism, generates repeated and periodic dynamic load on the reinforcing steel bar to verify the fatigue strength of the reinforcing steel bar, and judges whether the reinforcing steel bar is qualified or not by detecting the reinforcing steel bar on a construction site;
2. the second connecting rod is provided with a plurality of through holes which can be hinged with the third connecting rod, so that the amplitude of the third connecting rod is changed, selection can be performed according to the thickness degree of the reinforcing steel bar on site, and the larger danger caused by the breakage of the thicker reinforcing steel bar can be avoided;
3. in order to avoid iron fillings to splash and cause the injury to personnel when the reinforcing bar fracture, the design has sheave and panel, and the sheave can avoid reinforcing bar power concentration in the time of buckling simultaneously to be in one point, leads to producing shear stress to the reinforcing bar, influences the test of reinforcing bar fatigue strength.
Drawings
FIG. 1 is a schematic top view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Description of reference numerals:
1. the sliding mechanism comprises a base plate, 11, a first rotating shaft, 12, a second rotating shaft, 13, a roller, 14, a photosensitive sensor, 2, a rocker mechanism, 21, a first connecting rod, 22, a second connecting rod, 221, a through hole, 23, a third connecting rod, 3, a first fixing device, 31, a first fixing block, 311, a first blind hole, 312, a first threaded hole, 4, a second fixing device, 41, a T-shaped sliding block, 411, a second blind hole, 412, a second threaded hole, 42, a second fixing block and 43, a T-shaped sliding groove.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a reinforcing bar on-site detection device for engineering management, which comprises the following components as shown in figures 1-2: the device comprises a base plate 1, a rocker mechanism 2, a first fixing device 3, a second fixing device 4 and the like, wherein a first rotating shaft 11 and a second rotating shaft 12 which are perpendicular to the plate surface of the base plate 1 are arranged on the front surface of the base plate 1, the first rotating shaft 11 penetrates through the plate surface and is fixedly connected with an output shaft of a motor, and the motor is fixed on the back surface of the base plate 1; the rocker mechanism 2 comprises a first connecting rod 21, a second connecting rod 22 and a third connecting rod 23, one end of the first connecting rod 21 is fixedly connected with the first rotating shaft 11, the other end of the first connecting rod 21 is hinged with one end of the second connecting rod 22, the other end of the second connecting rod 22 is hinged with one end of the third connecting rod 23, and the other end of the third connecting rod 23 is hinged on the second rotating shaft 12; the first fixing device 3 is fixed on the front surface of the substrate 1, and the first fixing device 3 is close to the second rotating shaft 2; the second fixing device 4 is arranged on the third connecting rod 23; the front surface of the substrate 1 is provided with a photosensitive sensor 14 for detecting one rotation of the first connecting rod 21, the photosensitive sensor 14 is positioned on the front surface of the substrate 1 within the radius range of the first connecting rod 21, the photosensitive sensor 14 is electrically connected with a processor and a motor, and the processor is arranged on the back surface of the substrate 1.
The single chip microcomputer is selected as a processor, the single chip microcomputer is electrically connected with the photosensitive sensor 14 and the motor, the processor controls the motor to continuously rotate, the motor drives the first connecting rod 21 to rotate, the first connecting rod 21 passes through the photosensitive sensor 14 once when rotating for each circle, meanwhile, light above the photosensitive sensor 14 is shielded once, the photosensitive sensor 14 inputs the number of rotation circles of the motor into the processor, the processor counts, and the third connecting rod 23 swings in a reciprocating manner once when the motor rotates for each circle to make a dynamic load on the reinforcing steel bar; and when the reciprocating swinging times of the reinforcing steel bar reach the set number of turns in the processor, judging whether the reinforcing steel bar is qualified or not by judging whether the reinforcing steel bar is broken or not, judging that the reinforcing steel bar is qualified if the reinforcing steel bar is not broken, and judging that the reinforcing steel bar is unqualified if the reinforcing steel bar is not broken. First fixing device 3 and second fixing device 4 are used for the both ends of fixed reinforcing bar, and when realizing reinforcing bar reciprocating swing, the reinforcing bar one end that second fixing device 4 was fixed is the circular arc around the reinforcing bar one end that first fixing device 3 was fixed and is rotated.
Preferably, as shown in fig. 1-2, the first fixing device 3 includes a first fixing block 31, the first fixing block 31 is fixed on the front surface of the substrate 1, the first fixing block 31 is close to the second rotating shaft 2, a first blind hole 311 formed in the first fixing block 31 is perpendicular to the second rotating shaft 12, and an opening of the first blind hole 311 faces the second rotating shaft 12; the surface of the first fixing block 31 is provided with a first threaded hole 312, the first threaded hole 312 is communicated with the first blind hole 311, and the first threaded hole 312 is matched with a first bolt.
The first fixing device 3 can be a tiger table clamp, an F-shaped clamp and a G-shaped clamp, the tiger table clamp is heavy because the steel bars are fixed and generally are cylinders, and the F-shaped clamp and the G-shaped clamp are not commonly used for clamping the cylinders, so the structure is designed; insert the one end of reinforcing bar in first blind hole 311, can restrict the removal of reinforcing bar perpendicular to reinforcing bar axis direction, during first screw hole 312 of first bolt-up, the screwed end butt of first bolt and fastening reinforcing bar are used for restricting the rotation and the extraction of reinforcing bar.
Preferably, as shown in fig. 1-2, the second fixing device 4 includes a T-shaped sliding block 41 and a second fixing block 42, the third connecting rod 23 is provided with a T-shaped sliding slot 43 along the length direction thereof, the T-shaped sliding slot 43 is in sliding fit with the T-shaped sliding block 41, the surface of the T-shaped sliding block 41 is fixedly connected to the bottom surface of the second fixing block 42, the second fixing block 42 is provided with a horizontal second blind hole 411, the opening of the second blind hole 411 faces the second rotating shaft 12, the upper surface of the second fixing block 42 is provided with a second threaded hole 412, and the second threaded hole 412 is matched with a second bolt.
The purpose of the second fixing device 4 is the same as that of the first fixing device 3, but one end of the steel bar is fixed on the first fixing block 31, the steel bar is not easy to deform, in order to enable the other end of the steel bar to smoothly enter the second blind hole 411, the second fixing block 42 is fixed on the T-shaped sliding block 41, the T-shaped sliding block 41 is dragged to enable the other end of the steel bar to be inserted into the second blind hole 411, the second bolt fastens the second threaded hole 412, and the threaded end of the second bolt abuts against and fastens the steel bar to limit the rotation and the extraction of the steel bar; meanwhile, the reinforcing steel bar can be bent and deformed in the reciprocating swinging process, the radius of the inner side and the outer side of the reinforcing steel bar around the rotating center is different, so that when the reinforcing steel bar rotates, the tensile force and the thrust force relative to the third connecting rod 23 are generated at one end of the reinforcing steel bar fixed by the second fixing block 42, the fatigue strength test of the reinforcing steel bar can be influenced by the tensile force and the thrust force, in order to avoid the problem, the second fixing block 42 is fixed on the T-shaped sliding block 41, and the T-shaped sliding block 41 is connected to the T-shaped sliding groove 43 in.
Preferably, the second link 22 is provided with a plurality of through holes 221 perpendicular to the substrate 1 as shown in fig. 1-2, the plurality of through holes 221 are adjacent to the third link 23 and the plurality of through holes 221 are arranged along the length direction of the second link 22.
The through holes 221 can be hinged with the third connecting rod 23, the swing amplitude of the third connecting rod 23 can be adjusted by adjusting the hinge of the through holes 221 at different positions and the third connecting rod 23, when the third connecting rod 23 is hinged with the through hole 221 at the farthest position, the swing amplitude of the third connecting rod 23 is maximum, otherwise, the swing amplitude is minimum; the purpose of the design is that the swinging amplitude of the thicker reinforcing steel bar is smaller, and the structure is designed to be suitable for reinforcing steel bars with different specifications.
Preferably, two rollers 13 are hinged on the front surface of the base plate 1 as shown in fig. 1-2, the axes of the two rollers 13 are perpendicular to the base plate 1, and the two rollers 13 are disposed at the left and right sides below the second rotating shaft 12.
When the reinforcing bar reciprocal swing, the speed that the inside and outside moved is different, probably produces the destruction to the opening part of first blind hole 311 on the first fixed block 31, and the opening of first blind hole 311 uses for a long time and leads to splitting open and produce danger, and two gyro wheels 13 rotate along with the reinforcing bar and are used for avoiding this problem.
Preferably, the top surface of the first fixing block 31 is fixedly connected with a panel parallel to the substrate 1, and the panel covers the tops of the two rollers 13.
When detecting unqualified reinforcing bar, the reinforcing bar is at 13 fracture departments of gyro wheel, produces iron fillings during the fracture easily and splashes and produces danger to the people, and the panel is used for blockking iron fillings.
Preferably, both rollers 13 are grooved as shown in fig. 2.
The cell walls of the grooved pulleys can be attached to the circumferential wall of the bending part of the steel bar to the maximum extent, the cell walls of the two grooved pulleys have certain wrapping property to the circumferential wall of the steel bar, iron chips generated when the steel bar is broken are prevented from splashing to cause injury to people, force concentration on one point when the steel bar is bent is avoided, shear stress is generated on the steel bar, and the test of the fatigue strength of the steel bar is influenced.
The use method of the reinforcing steel bar field detection device for engineering management comprises the following steps:
the steel bar is extracted from a construction site, two ends of the steel bar are respectively fixed on the first fixing device 3 and the second fixing device 4, the third connecting rod 23 is hinged on different through holes 221 according to the thickness degree of the steel bar, the processor, the motor and the photosensitive sensor 14 are electrically connected, the motor drives the connecting rod mechanism, periodic dynamic load is generated on the steel bar, the fatigue strength of the steel bar is tested, the motor rotates for one circle, the photosensitive sensor 14 inputs the number of circles to the processor, the processor counts the number of circles, after the set standard number of circles is reached, the processor controls the motor to stop rotating, and the steel bar is judged to be unqualified if broken. Otherwise, the steel bar is qualified.
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 (7)
1. The utility model provides a reinforcing bar field test device for engineering management which characterized in that includes:
the front surface of the base plate (1) is provided with a first rotating shaft (11) and a second rotating shaft (12) which are vertical to the plate surface of the base plate (1), the first rotating shaft (11) penetrates through the plate surface and is fixedly connected with an output shaft of a motor, and the motor is fixed on the back surface of the base plate (1);
the rocker mechanism (2) comprises a first connecting rod (21), a second connecting rod (22) and a third connecting rod (23), one end of the first connecting rod (21) is fixedly connected with the first rotating shaft (11), the other end of the first connecting rod (21) is hinged with one end of the second connecting rod (22), the other end of the second connecting rod (22) is hinged with one end of the third connecting rod (23), and the other end of the third connecting rod (23) is hinged on the second rotating shaft (12);
the first fixing device (3) is fixed on the front surface of the substrate (1), and the first fixing device (3) is close to the second rotating shaft (2);
the second fixing device (4) is arranged on the third connecting rod (23);
the front surface of the substrate (1) is provided with a photosensitive sensor (14) for detecting that the first connecting rod (21) rotates for one circle, the photosensitive sensor (14) is positioned on the front surface of the substrate (1) within the radius range of the first connecting rod (21), the photosensitive sensor (14) is electrically connected with a processor and a motor, and the processor is arranged on the back surface of the substrate (1).
2. The reinforcing steel bar field detection device for engineering management as claimed in claim 1, wherein the first fixing device (3) comprises a first fixing block (31), the first fixing block (31) is fixed on the front surface of the base plate (1), the first fixing block (31) is close to the second rotating shaft (2), a first blind hole (311) formed in the first fixing block (31) is perpendicular to the second rotating shaft (12), and an opening of the first blind hole (311) faces the second rotating shaft (12); the surface of the first fixing block (31) is provided with a first threaded hole (312), the first threaded hole (312) is communicated with the first blind hole (311), and the first threaded hole (312) is matched with a first bolt.
3. The reinforcing steel bar field detection device for engineering management as defined in claim 1, wherein the second fixing device (4) includes a T-shaped slider (41) and a second fixing block (42), the third connecting rod (23) is provided with a T-shaped sliding slot (43) along its length direction, the T-shaped sliding slot (43) is slidably fitted with the T-shaped slider (41), the T-shaped slider (41) is fixedly connected to the bottom surface of the second fixing block (42), the second fixing block (42) is provided with a horizontal second blind hole (411), the opening of the second blind hole (411) faces the second rotating shaft (12), the upper surface of the second fixing block (42) is provided with a second threaded hole (412), and the second threaded hole (412) is fitted with a second bolt.
4. The reinforcing bar on-site measuring apparatus for work management as set forth in claim 1, wherein the second link (22) is provided with a plurality of through holes (221) perpendicular to the base plate (1), the plurality of through holes (221) are adjacent to the third link (23) and the plurality of through holes (221) are provided along the length direction of the second link (22).
5. The reinforcing steel bar on-site detection device for engineering management according to claim 1, wherein two rollers (13) are hinged on the front surface of the base plate (1), the axes of the two rollers (13) are perpendicular to the base plate (1), and the two rollers (13) are arranged on the left and right sides below the second rotating shaft (12).
6. The reinforcing bar on-site inspection device for engineering management as claimed in claim 2, wherein the top surface of the first fixing block (31) is fixedly connected with a panel parallel to the base plate (1), and the panel covers the top of the two rollers (13).
7. The reinforcing bar on-site inspection device for engineering management according to claim 5, wherein the two rollers (13) are sheaves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217887.XA CN113008663A (en) | 2021-02-26 | 2021-02-26 | Reinforcing bar field detection device for engineering management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217887.XA CN113008663A (en) | 2021-02-26 | 2021-02-26 | Reinforcing bar field detection device for engineering management |
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| CN113008663A true CN113008663A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110217887.XA Pending CN113008663A (en) | 2021-02-26 | 2021-02-26 | Reinforcing bar field detection device for engineering management |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203519440U (en) * | 2013-06-17 | 2014-04-02 | 洛阳百克特摩擦材料有限公司 | Non-metal material or friction material bending fatigue test machine |
| CN206496987U (en) * | 2017-01-18 | 2017-09-15 | 江苏嘉隆工程建设有限公司 | A kind of twisting fatigue test device for engineering mechanics |
| CN207742051U (en) * | 2018-01-18 | 2018-08-17 | 奥克斯空调股份有限公司 | A kind of bending fatigue detection device and bending fatigue detecting system |
| CN209647473U (en) * | 2019-01-16 | 2019-11-19 | 孔若凡 | A kind of multi-functional full-automatic bending device |
| CN210334126U (en) * | 2019-07-16 | 2020-04-17 | 庄建 | Simple and easy reinforcing bar bender structure |
| CN210604158U (en) * | 2019-10-10 | 2020-05-22 | 甄翠欣 | Fixing device for reinforcing steel bar detection |
| CN210923360U (en) * | 2019-07-17 | 2020-07-03 | 海宁凯达人防设备有限公司 | Reinforcing bar intensity measuring device in airtight door |
| CN211027854U (en) * | 2019-09-09 | 2020-07-17 | 德清县市政工程有限公司 | Reinforcing bar mechanism of bending for municipal building |
-
2021
- 2021-02-26 CN CN202110217887.XA patent/CN113008663A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203519440U (en) * | 2013-06-17 | 2014-04-02 | 洛阳百克特摩擦材料有限公司 | Non-metal material or friction material bending fatigue test machine |
| CN206496987U (en) * | 2017-01-18 | 2017-09-15 | 江苏嘉隆工程建设有限公司 | A kind of twisting fatigue test device for engineering mechanics |
| CN207742051U (en) * | 2018-01-18 | 2018-08-17 | 奥克斯空调股份有限公司 | A kind of bending fatigue detection device and bending fatigue detecting system |
| CN209647473U (en) * | 2019-01-16 | 2019-11-19 | 孔若凡 | A kind of multi-functional full-automatic bending device |
| CN210334126U (en) * | 2019-07-16 | 2020-04-17 | 庄建 | Simple and easy reinforcing bar bender structure |
| CN210923360U (en) * | 2019-07-17 | 2020-07-03 | 海宁凯达人防设备有限公司 | Reinforcing bar intensity measuring device in airtight door |
| CN211027854U (en) * | 2019-09-09 | 2020-07-17 | 德清县市政工程有限公司 | Reinforcing bar mechanism of bending for municipal building |
| CN210604158U (en) * | 2019-10-10 | 2020-05-22 | 甄翠欣 | Fixing device for reinforcing steel bar detection |
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