CN103674699A - Site detection equipment for mechanical property of steel bars - Google Patents
Site detection equipment for mechanical property of steel bars Download PDFInfo
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- CN103674699A CN103674699A CN201210319160.3A CN201210319160A CN103674699A CN 103674699 A CN103674699 A CN 103674699A CN 201210319160 A CN201210319160 A CN 201210319160A CN 103674699 A CN103674699 A CN 103674699A
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Abstract
The invention discloses site detection equipment for mechanical properties of steel bars. The site detection equipment comprises a clamp, a base and a supporting device, wherein the clamp and the base are respectively provided with a first installing hole and a second installing hole which are coaxial; at least one of the first installing hole and the second installing hole is internally provided with a steel-bar fixing and clamping device; the supporting device can drive the clamp to move relatively to the base along the axial direction of the first installing hole and the second installing hole. The site detection equipment disclosed by the invention has the advantages that the structure is simple, the assembly is convenient, the steel bars in various states in engineering can be detected, the accuracy of the detection results of the steel bars can be ensured and the quality of engineering construction is guaranteed.
Description
Technical field
The present invention relates to a kind of steel bar mechanics performance checkout equipment, particularly a kind of steel bar mechanics performance field detecting device.
Background technology
For xoncrete structure, the mechanical property of reinforcing bar is that it realizes the most important index of load-carrying properties, therefore, it is an important means that guarantees its quality that steel bar mechanics performance is detected, according to new edition < < concrete structure construction inspection of quality standard > > requirement, all concrete structure engineerings are all required to carry out to the reinspection of steel bar mechanics performance, especially for adopting the joint of welding or mechanical connection to detect even more important.Yet current displacement detecting is all to realize by additional elasticity modulus, this kind of equipment is realized reinforcing bar tensile property test by hydraulic system, the function with strict controlled loading speed, but because comparison in equipment is heavy, on-the-spot reinforcing bar is in actual colligation simultaneously, and the reinforcing bar having is horizontally disposed, the vertical layout having, even part is oblique layout, and reinforcing bar is longer, even equipment is removed to scene and also cannot be tested, therefore the detection of the mechanical property of all relevant reinforcing bars is all the indoor censorship of requirement, this type inspection for material or factory inspection are significant, this need to be to checkout equipment environment control, and for engineering, meaning is not clearly.In addition, the current shortage due to social credit system, the existing construction material testing requirement of China is that witness sampling detects, whether sample represents that maternal authenticity is to be difficult to guarantee, in addition, for there being the reinforcing bar of joint to connect test specimen, detect sample and much done especially special processing, especially welding aspect, the quality of weld joint that Practical Project is made how (directly weld by scene, see photo), but be uncontrollable, according to existing reinforcing bar, detect code requirement simultaneously, sample specification and censorship quantity have all been done strict regulations, detected at every turn, these detect sample and all can only send steelworks to and again smelt as waste product, thereby caused ample resources waste.Based on this, be necessary to carry out the steel bar mechanics performance Site Detection in concrete structure engineering, thereby fundamentally control the mechanical property quality of reinforcing bar, really promote the quality of concrete structure engineering, thoroughly stop potential safety hazard.
Summary of the invention
In order to make up above deficiency, the invention provides a kind of steel bar mechanics performance field detecting device, this steel bar mechanics performance field detecting device has been realized at the scene reinforcing bar has been loaded, and guarantees the accurate of engineering detecting result.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of steel bar mechanics performance field detecting device, comprise fixture, base and bracing or strutting arrangement, on described fixture and base, be respectively equipped with first and second coaxial mounting hole, the inside of at least one in described first and second mounting hole is provided with reinforcing bar fixed clamping device, and bracing or strutting arrangement can drive fixture axial and base generation relative motion along first and second mounting hole.
As a further improvement on the present invention, described fixture and base are two halves dock structure, and its interface is positioned on first and second mounting hole axis, and described fixture and base two halves dock structure can be dismantled and are connected by securing member.
As a further improvement on the present invention, described bracing or strutting arrangement is at least one lifting jack, and described lifting jack stiff end and base are connected, and motion end and fixture are connected.
As a further improvement on the present invention, described lifting jack is integrated parallel double end lifting jack, the stiff end semicircular in shape structure of described this integrated parallel type double end lifting jack, its center of circle is just positioned on first and second mounting hole axis, and two motion end is positioned on semicircular structure with respect to first and second mounting hole axis symmetry.
As a further improvement on the present invention, described integrated parallel type double end lifting jack stiff end and base can be dismantled and be connected, fixture lower end is provided with fixedly snap ring, on the motion end of described integrated parallel type double end lifting jack, can dismantle and be provided with some cushion blocks, the motion end of lifting jack and on cushion block be inserted in the fixedly snap ring of fixture.
As a further improvement on the present invention, first and second mounting hole on described fixture and base is respectively truncated cone-shaped hole, the diameter of first and second mounting hole opposite side is less than the diameter of phase dorsal part, reinforcing bar fixed clamping device is that lateral surface is truncated cone-shaped that mates with first and second mounting hole, inner side is the face of cylinder of mating with reinforcing bar, and it is squeezed and can produces elastic deformation.
As a further improvement on the present invention, the described reinforcing bar fixed clamping device structure that can produce elastic deformation that is squeezed is: its sidewall is provided with at least one open seam that interior outside is communicated with.
As a further improvement on the present invention, be also provided with a transparent protective shield, described protective cover is fixed on base, and protective cover is enclosed in bracing or strutting arrangement and fixture in protective cover.
As a further improvement on the present invention, described base below is also provided with the roller that longitudinal height can regulate.
As a further improvement on the present invention, in base bottom, be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting.
Useful technique effect of the present invention is: the present invention drives the relative base of fixture to move by integrated parallel type lifting jack, the stretching of realization to reinforcing bar, it is simple in structure, easy to assembly, can detect the reinforcing bar in various states in engineering, guarantee reinforcing bar testing result in engineering accurately, guarantee the quality of engineering construction.
Accompanying drawing explanation
Fig. 1 is the first structural principle front view of the present invention;
Fig. 2 is the first structural principle vertical view of the present invention;
Fig. 3 is the second structural principle front view of the present invention;
Fig. 4 is the third structural principle front view of the present invention.
Embodiment
Embodiment: a kind of steel bar mechanics performance field detecting device, comprise fixture 1, base 2 and bracing or strutting arrangement 3, on described fixture 1 and base 2, be respectively equipped with coaxial first, two mounting holes 4, 5, described first, two mounting holes 4, the inside of at least one in 5 is provided with reinforcing bar fixed clamping device 6, bracing or strutting arrangement 3 can drive fixture 1 along first, two mounting holes 4, 5 axial and base 2 generation relative motions, during use, first reinforcing bar is set in to first of fixture 1 and base 2, two mounting holes 4, in 5 and fix (for the reinforcing bar in anchoring status by reinforcing bar fixed clamping device 6, in the second mounting hole on base 2, can not use reinforcing bar fixed clamping device 6, reinforcing bar is only through the second mounting hole on base 2, reinforcing bar fixed clamping device 6 is set in the first mounting hole of fixture 1 and reinforcing bar is clamped, reinforcing bar for non-anchoring status, or test section is from anchorage point at a distance time, in the second mounting hole of base 2, reinforcing bar fixed clamping device 6 is set, the clamping that is all fixed of reinforcing bar two ends), then by bracing or strutting arrangement 3, drive fixture 1 to moving away from base 2 directions, steel bar stretching certain length is detected to its mechanical property, this device structure is simple, be easy to carry, easy to use.
Described fixture 1 and base 2 are two halves dock structure, its interface is positioned at first, two mounting holes 4, on 5 axis, described fixture 1 and base 2 two halves dock structures can be dismantled and are connected by securing member 8, general by coaxial perforation being set respectively on the fixture 1 in two halves formula and base 2, by tightening bolt, be arranged in perforation, then by nut lock, the fixture of two halves formula 1 is closely fixedly connected with respectively into a single integrated structure with base 2, this kind of structure is easy for removal and installation, even two ends are all tied fixing reinforcing bar during use, also can be positioned at fast in the one or two mounting hole of fixture 1 and base 2 and be fixed, the reinforcing bar that can adapt to on-the-spot any state detects, easy to use, unrestricted.
Described bracing or strutting arrangement 3 is at least one lifting jack, described lifting jack stiff end and base 2 are connected, motion end and fixture 1 are connected, it is easy to use, is easy to carry, during use, only need can realize it to lifting jack oiling moved end and stretched out, by fixture 1 jack-up, except lifting jack, can also be miscellaneous equipment certainly, as motor drives cam mechanism, screw-nut body etc. by gear train.
Described lifting jack is integrated parallel double end lifting jack, the stiff end semicircular in shape structure of described this integrated parallel type double end lifting jack, its center of circle is just positioned at first, two mounting holes 4, on 5 axis, two motion end is with respect to first, two mounting holes 4, 5 axis symmetries are positioned on semicircular structure, make the maximum load ability of equipment improve double, thereby guaranteed the possibility that conventional reinforcing bar detects at the scene, and parallel double end lifting jack can be guaranteed double end synchronization action, all the time guarantee that fixture 1 is parallel with base 2, semicircular stiff end can be convenient to realize two motion ends and be symmetrically arranged in first, two mounting holes 4, 5 both sides, be convenient to observe reinforcing bar pulled condition simultaneously.
Described integrated parallel type double end lifting jack stiff end and base 2 can be dismantled and be connected, fixture 1 lower end is provided with fixedly snap ring, on the motion end of described integrated parallel type double end lifting jack, can dismantle and be provided with some cushion blocks, the motion end of lifting jack and on cushion block be inserted in the fixedly snap ring of fixture 1, the fixedly snap ring of fixture 1 lower end has guaranteed that the Double Tops of integrated parallel type double end lifting jack can symmetrical load application, thereby guaranteed the unidirectional axial tension of reinforcing bar, the length of the adjustable tension reinforcement section of cushion block, thereby realized the requirement that the length of being examined reinforcing bar meets standard, can certainly there is no cushion block, this is the shortest reinforcing bar detection case, also cushion block can be arranged between lifting jack stiff end and base 2, this is the replacement that is equal to of this patent.
On described fixture 1 and base 2 first, two mounting holes 4, 5 are respectively truncated cone-shaped hole, first, two mounting holes 4, the diameter of 5 opposite sides is less than the diameter of phase dorsal part, reinforcing bar fixed clamping device 6 for lateral surface is and first, two mounting holes 4, 5 truncated cone-shaped of mating, inner side is the face of cylinder of mating with reinforcing bar, it is squeezed and can produces elastic deformation, when bracing or strutting arrangement 3 makes fixture 1 stretch away from 2 pairs of reinforcing bars of base, reinforcing bar fixed clamping device 6 is just along first, two mounting holes 4, 5 to the little opposite end motion of diameter, reinforcing bar fixed clamping device 6 is just subject to first like this, two mounting holes 4, 5 radial compression distortion, its inside diameter is dwindled thereupon, reinforcing bar is tightly clamped, except this kind of device can also be that jaw clamps or by fixed forms such as pin are fixedly connected with.
Described reinforcing bar fixed clamping device 6 structure that can produce elastic deformation that is squeezed is: its sidewall is provided with at least one open seam that interior outside is communicated with, when bracing or strutting arrangement 3 makes fixture 1 stretch away from 2 pairs of reinforcing bars of base, reinforcing bar fixed clamping device 6 just moves to the little opposite end of diameter along first and second mounting hole 4,5, the open seam of reinforcing bar fixed clamping device 6 is extruded and closes up like this, its inside diameter is dwindled tightly clamps reinforcing bar, this structure is also convenient to the installation of reinforcing bar, easy to use.
Also be provided with a transparent protective shield; described protective cover is fixed on base 2; protective cover is enclosed in bracing or strutting arrangement 3 and fixture 1 in protective cover, prevents the reinforcing bar injury testing staff around that breaks in testing process, is also convenient to testing staff's Real Time Observation steel bar stretching state simultaneously.
Described base 2 belows are also provided with the roller 7 that longitudinal height can regulate, and the general universal wheel that adopts of roller 7 is relatively good, generally adopts bolt regulative mode to realize the adjusting of roller 7 height, to adapt to the out-of-flatness state of field ground.
In base 2 bottoms, be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting.
Claims (10)
1. a steel bar mechanics performance field detecting device, it is characterized by: comprise fixture (1), base (2) and bracing or strutting arrangement (3), on described fixture (1) and base (2), be respectively equipped with first and second coaxial mounting hole (4,5), the inside of at least one in described first and second mounting hole (4,5) is provided with reinforcing bar fixed clamping device (6), and bracing or strutting arrangement (3) can drive fixture (1) axial and base (2) generation relative motion along first and second mounting hole (4,5).
2. steel bar mechanics performance field detecting device according to claim 1, it is characterized by: described fixture (1) and base (2) are two halves dock structure, its interface is positioned on first and second mounting hole (4,5) axis, and described fixture (1) and base (2) two halves dock structure can be dismantled and are connected by securing member (8).
3. steel bar mechanics performance field detecting device according to claim 1 and 2, is characterized by: described bracing or strutting arrangement (3) is at least one lifting jack, and described lifting jack stiff end and base (2) are connected, and motion end and fixture (1) are connected.
4. steel bar mechanics performance field detecting device according to claim 3, it is characterized by: described lifting jack is integrated parallel double end lifting jack, the stiff end semicircular in shape structure of described this integrated parallel type double end lifting jack, its center of circle is just positioned on first and second mounting hole (4,5) axis, and two motion end is positioned on semicircular structure with respect to first and second mounting hole (4,5) axis symmetry.
5. steel bar mechanics performance field detecting device according to claim 4, it is characterized by: described integrated parallel type double end lifting jack stiff end and base (2) can be dismantled and be connected, fixture (1) lower end is provided with fixedly snap ring, on the motion end of described integrated parallel type double end lifting jack, can dismantle and be provided with some cushion blocks, the motion end of lifting jack and on cushion block be inserted in the fixedly snap ring of fixture (1).
6. steel bar mechanics performance field detecting device according to claim 1 and 2, it is characterized by: first and second mounting hole (4,5) on described fixture (1) and base (2) is respectively truncated cone-shaped hole, first and second mounting hole (4,5) diameter of opposite side is less than the diameter of phase dorsal part, reinforcing bar fixed clamping device (6) for lateral surface be truncated cone-shaped that mates with first and second mounting hole (4,5), inner side is the face of cylinder of mating with reinforcing bar, and it is squeezed and can produces elastic deformation.
7. steel bar mechanics performance field detecting device according to claim 5, is characterized by: described reinforcing bar fixed clamping device (6) structure that can produce elastic deformation that is squeezed is: its sidewall is provided with at least one open seam that interior outside is communicated with.
8. steel bar mechanics performance field detecting device according to claim 1, is characterized by: be also provided with a transparent protective shield, it is upper that described protective cover is fixed on base (2), and protective cover is enclosed in bracing or strutting arrangement (3) and fixture (1) in protective cover.
9. according to the steel bar mechanics performance field detecting device described in claim 1 or 8, it is characterized by: described base (2) below is also provided with the roller (7) that longitudinal height can regulate.
10. steel bar mechanics performance field detecting device according to claim 1, is characterized by: in base (2) bottom, be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319160.3A CN103674699B (en) | 2012-08-31 | 2012-08-31 | Steel bar mechanics performance field detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319160.3A CN103674699B (en) | 2012-08-31 | 2012-08-31 | Steel bar mechanics performance field detecting device |
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| CN103674699A true CN103674699A (en) | 2014-03-26 |
| CN103674699B CN103674699B (en) | 2016-01-13 |
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| CN201210319160.3A Expired - Fee Related CN103674699B (en) | 2012-08-31 | 2012-08-31 | Steel bar mechanics performance field detecting device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297054A (en) * | 2014-10-15 | 2015-01-21 | 东南大学 | Auxiliary linear anchoring device for researching tensile properties of FRP (Fiber Reinforced Polymer) ribs |
| CN104697858A (en) * | 2015-03-23 | 2015-06-10 | 深圳大学 | Rebar constitutive relation test device and method |
| CN105527181A (en) * | 2015-12-31 | 2016-04-27 | 中冶建筑研究总院有限公司 | A buckling strength testing device for stirrups |
| CN106124312A (en) * | 2016-06-01 | 2016-11-16 | 内蒙古科技大学 | The performance testing device of reinforcing bar and concrete and method |
| CN108088748A (en) * | 2017-12-18 | 2018-05-29 | 中国矿业大学 | The steel strand wires pull-out test device and application method of a kind of integral retaining |
| CN109298211A (en) * | 2018-10-26 | 2019-02-01 | 加西亚电子电器股份有限公司 | A kind of pin-connected panel leakage circuit breakers Automatic test clamp |
| CN110031312A (en) * | 2019-05-27 | 2019-07-19 | 湘潭大学 | A kind of corrosion presstressed reinforcing steel mechanical property in-situ testing device and method |
| CN114354361A (en) * | 2022-03-16 | 2022-04-15 | 潍坊昌大建设集团有限公司 | Steel bar connection strength detection device |
| CN117030468A (en) * | 2023-08-09 | 2023-11-10 | 广州市市政工程机械施工有限公司 | Device and method for testing tensile stress-strain full curve of ultra-high performance concrete test piece |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297054A (en) * | 2014-10-15 | 2015-01-21 | 东南大学 | Auxiliary linear anchoring device for researching tensile properties of FRP (Fiber Reinforced Polymer) ribs |
| CN104697858A (en) * | 2015-03-23 | 2015-06-10 | 深圳大学 | Rebar constitutive relation test device and method |
| CN105527181A (en) * | 2015-12-31 | 2016-04-27 | 中冶建筑研究总院有限公司 | A buckling strength testing device for stirrups |
| CN105527181B (en) * | 2015-12-31 | 2018-03-06 | 中冶建筑研究总院有限公司 | A kind of stirrup buckling strength test device |
| CN106124312A (en) * | 2016-06-01 | 2016-11-16 | 内蒙古科技大学 | The performance testing device of reinforcing bar and concrete and method |
| CN108088748A (en) * | 2017-12-18 | 2018-05-29 | 中国矿业大学 | The steel strand wires pull-out test device and application method of a kind of integral retaining |
| CN109298211A (en) * | 2018-10-26 | 2019-02-01 | 加西亚电子电器股份有限公司 | A kind of pin-connected panel leakage circuit breakers Automatic test clamp |
| CN110031312A (en) * | 2019-05-27 | 2019-07-19 | 湘潭大学 | A kind of corrosion presstressed reinforcing steel mechanical property in-situ testing device and method |
| CN110031312B (en) * | 2019-05-27 | 2021-07-27 | 湘潭大学 | In-situ testing method for mechanical property of rusted prestressed tendon |
| CN114354361A (en) * | 2022-03-16 | 2022-04-15 | 潍坊昌大建设集团有限公司 | Steel bar connection strength detection device |
| CN114354361B (en) * | 2022-03-16 | 2022-05-20 | 潍坊昌大建设集团有限公司 | Steel bar connection strength detection device |
| CN117030468A (en) * | 2023-08-09 | 2023-11-10 | 广州市市政工程机械施工有限公司 | Device and method for testing tensile stress-strain full curve of ultra-high performance concrete test piece |
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