CN202814792U - Field testing device for mechanical properties of reinforcing steel bar - Google Patents
Field testing device for mechanical properties of reinforcing steel bar Download PDFInfo
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- CN202814792U CN202814792U CN 201220442321 CN201220442321U CN202814792U CN 202814792 U CN202814792 U CN 202814792U CN 201220442321 CN201220442321 CN 201220442321 CN 201220442321 U CN201220442321 U CN 201220442321U CN 202814792 U CN202814792 U CN 202814792U
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- anchor clamps
- steel bar
- mounting hole
- lifting jack
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Abstract
The utility model discloses a field testing device for mechanical properties of a reinforcing steel bar. The field testing device comprises a clamp, a base and supporting devices, wherein a first installation hole and a second installation hole, which are coaxial, are respectively formed in the clamp and the base; a reinforcing steel bar fixing and clamping device is arranged in at least one of the first installation hole and the second installation hole; and the supporting devices can drive the clamp to move relative to the base along the axial directions of the first installation hole and the second installation hole. The field testing device has a simple structure, is convenient to assemble, and can test the reinforcing steel bars of various statuses in the engineering so as to ensure the accurate test result of the reinforcing steel bars in the engineering, and guarantee the quality of engineering construction.
Description
Technical field
The utility model 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 the reinspection of steel bar mechanics performance, especially detect even more important for the joint that adopts welding or mechanical connection.Yet current displacement detecting all is to realize by adding elasticity modulus, this kind equipment is realized what the reinforcing bar tensile property was tested by hydraulic system, function with strict controlled loading speed, but because comparison in equipment is heavy, on-the-spot reinforcing bar is in the actual colligation simultaneously, and the reinforcing bar that has is horizontally disposed, the vertical layout that has, even part is oblique layout, and reinforcing bar is longer, also can't test even equipment removed to the scene, therefore the detection of the mechanical property of all relevant reinforcing bars all is the indoor censorship of requirement, and this type inspection or factory inspection for material is significant, and this need to be to the control of checkout equipment environment, and for engineering, meaning is not clearly.In addition, current because the shortage of social credit system, the existing construction material testing requirement of China is that witness sampling detects, whether sample represents maternal authenticity is to be difficult to guarantee, in addition, connect test specimen for the reinforcing bar that joint is arranged, test sample has much been done special processing especially, especially welding aspect, the quality of weld joint that Practical Project is made how (directly weld by the scene, see photo), but be uncontrollable, detect code requirement according to existing reinforcing bar simultaneously, sample specification and censorship quantity have all been done strict regulations, detected, these test sample all can only be sent steelworks to and again smelt as waste product, thereby have caused the ample resources waste at every turn.Based on this, be necessary to carry out the steel bar mechanics performance Site Detection in the 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 remedy above deficiency, the utility model provides a kind of steel bar mechanics performance field detecting device, and this steel bar mechanics performance field detecting device has been realized at the scene reinforcing bar being loaded, guarantee the engineering detecting result accurately.
The utility model for the technical scheme that solves its technical matters and adopt is: a kind of steel bar mechanics performance field detecting device, comprise anchor clamps, base and bracing or strutting arrangement, be respectively equipped with first and second coaxial mounting hole on described anchor clamps and the base, the inside of at least one in described first and second mounting hole is provided with the reinforcing bar fixed clamping device, and bracing or strutting arrangement can drive anchor clamps axial and base generation relative motion along first and second mounting hole.
As further improvement of the utility model, described anchor clamps and base are two halves dock structure, and its interface is positioned on first and second mounting hole axis, and described anchor clamps and base two halves dock structure can be dismantled by securing member and be connected.
As further improvement of the utility model, 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 anchor clamps are connected.
As further improvement of the utility model, 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 just is positioned on first and second mounting hole axis, and two motion end is positioned on the semicircular structure with respect to first and second mounting hole axis symmetry.
As further improvement of the utility model, described integrated parallel type double end lifting jack stiff end and base can be dismantled and be connected, the anchor clamps lower end is provided with fixedly snap ring, can dismantle on the motion end of described integrated parallel type double end lifting jack 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 anchor clamps.
As further improvement of the utility model, first and second mounting hole on described anchor clamps and the 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, the reinforcing bar fixed clamping device is that lateral surface is truncated cone-shaped with first and second mounting hole coupling, the inboard is and the face of cylinder of reinforcing bar coupling that it is squeezed and can produces elastic deformation.
As further improvement of the utility model, 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 the interior outside is communicated with.
As further improvement of the utility model, also be provided with a transparent protective shield, described protective cover is fixed on the base, and protective cover is enclosed in bracing or strutting arrangement and anchor clamps in the protective cover.
As further improvement of the utility model, described base below also is provided with the roller that vertical height can be regulated.
As further improvement of the utility model, bottom base, be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting.
Useful technique effect of the present utility model is: the utility model drives the relative base motion of anchor clamps by the integrated parallel type lifting jack, realization is to the stretching of reinforcing bar, it is simple in structure, easy to assembly, can the reinforcing bar that be in various states in the engineering be detected, guarantee reinforcing bar testing result in the engineering accurately, guarantee the quality of engineering construction.
Description of drawings
Fig. 1 is the first structural principle front view of the present utility model;
Fig. 2 is the first structural principle vertical view of the present utility model;
Fig. 3 is the second structural principle front view of the present utility model;
Fig. 4 is the third structural principle front view of the present utility model.
Embodiment
Embodiment: a kind of steel bar mechanics performance field detecting device, comprise anchor clamps 1, base 2 and bracing or strutting arrangement 3, be respectively equipped with coaxial first on described anchor clamps 1 and the base 2, 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 anchor clamps 1 along first, two mounting holes 4,5 axial and base 2 generation relative motions, during use, first reinforcing bar is set in first of anchor clamps 1 and base 2, two mounting holes 4, fix (for the reinforcing bar that is in anchoring status in 5 and by reinforcing bar fixed clamping device 6, can not use reinforcing bar fixed clamping device 6 in the second mounting hole on the base 2, the second mounting hole that reinforcing bar only passes on the base 2 gets final product, reinforcing bar fixed clamping device 6 is set in the first mounting hole of anchor clamps 1 and reinforcing bar is clamped, reinforcing bar for non-anchoring status, perhaps test section is from anchorage point at a distance the time, in the second mounting hole of base 2 reinforcing bar fixed clamping device 6 is set, the clamping that all is fixed of reinforcing bar two ends), then drive anchor clamps 1 to moving away from base 2 directions by bracing or strutting arrangement 3, the steel bar stretching certain-length is detected its mechanical property, this device structure is simple, be easy to carry, easy to use.
Described anchor clamps 1 and base 2 are two halves dock structure, its interface is positioned at first, two mounting holes 4, on 5 axis, described anchor clamps 1 and base 2 two halves dock structures can be dismantled by securing member 8 and be connected, generally by on the anchor clamps 1 of two halves formula and base 2, coaxial perforation being set respectively, be arranged in the perforation by tightening bolt, then respectively closely be fixedly connected with into a single integrated structure with base 2 anchor clamps 1 of two halves formula by nut lock, this kind structure is easy for removal and installation, even two ends all are tied fixing reinforcing bar during use, also can be positioned at fast in the one or two mounting hole of anchor clamps 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 anchor clamps 1 are connected, it is easy to use, is easy to carry, during use, only need to realize that to the lifting jack oiling it moved end and stretches out, with anchor clamps 1 jack-up, can also be miscellaneous equipment except lifting jack certainly, drive cam mechanism, screw-nut body etc. such as motor 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 just is 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 the 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 the double end synchronization action, all the time guarantee that anchor clamps 1 are parallel with base 2, semicircular stiff end can be convenient to realize that two motion ends are symmetrically arranged in first, two mounting holes 4,5 both sides are convenient to observe the reinforcing bar pulled condition simultaneously.
Described integrated parallel type double end lifting jack stiff end and base 2 can be dismantled and be connected, anchor clamps 1 lower end is provided with fixedly snap ring, can dismantle on the motion end of described integrated parallel type double end lifting jack 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 anchor clamps 1, the fixedly snap ring of anchor clamps 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, cushion block can be regulated the length of tension reinforcement section, thereby the length that has realized being examined reinforcing bar satisfies the requirement of standard, can certainly there be cushion block, this is the shortest reinforcing bar detection case, also cushion block can be arranged between lifting jack stiff end and the base 2, this is the replacement that is equal to of this patent.
On described anchor clamps 1 and the 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, the inboard 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 anchor clamps 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 just is subject to first like this, two mounting holes 4, the distortion of 5 radial compression, its inside diameter is dwindled thereupon, reinforcing bar is tightly clamped, except this kind 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 the interior outside is communicated with, when bracing or strutting arrangement 3 makes anchor clamps 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, so that its inside diameter is dwindled reinforcing bar is tightly clamped, this structure also is convenient to the installation of reinforcing bar, and is easy to use.
Also be provided with a transparent protective shield; described protective cover is fixed on the base 2; protective cover is enclosed in bracing or strutting arrangement 3 and anchor clamps 1 in the protective cover, prevent reinforcing bar in testing process, break the injury around the testing staff, also be convenient to simultaneously testing staff's Real Time Observation steel bar stretching state.
Described base 2 belows also are provided with the roller 7 that vertical height can be regulated, and the roller 7 general universal wheels that adopt are relatively good, generally adopt the bolt regulative mode to realize the adjusting of roller 7 height, to adapt to the out-of-flatness state of field ground.
Be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting in base 2 bottoms.
Claims (10)
1. steel bar mechanics performance field detecting device, it is characterized by: comprise anchor clamps (1), base (2) and bracing or strutting arrangement (3), be respectively equipped with first and second coaxial mounting hole (4,5) on described anchor clamps (1) and the base (2), 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 anchor clamps (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 anchor clamps (1) and base (2) are two halves dock structure, its interface is positioned on first and second mounting hole (4,5) axis, and described anchor clamps (1) and base (2) two halves dock structure can be dismantled by securing member (8) and be connected.
3. steel bar mechanics performance field detecting device according to claim 1 and 2, it 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 anchor clamps (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 just is positioned on first and second mounting hole (4,5) axis, and two motion end is positioned on the 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, anchor clamps (1) lower end is provided with fixedly snap ring, can dismantle on the motion end of described integrated parallel type double end lifting jack 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 anchor clamps (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 anchor clamps (1) and the base (2) is respectively truncated cone-shaped hole, the diameter of first and second mounting hole (4,5) opposite side is less than the diameter of phase dorsal part, reinforcing bar fixed clamping device (6) is with first and second mounting hole (4,5) coupling truncated cone-shaped for lateral surface, the inboard is and the face of cylinder of reinforcing bar coupling that 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 the interior outside is communicated with.
8. steel bar mechanics performance field detecting device according to claim 1, it is characterized by: also be provided with a transparent protective shield, described protective cover is fixed on the base (2), and protective cover is enclosed in bracing or strutting arrangement (3) and anchor clamps (1) in the protective cover.
9. it is characterized by according to claim 1 or 8 described steel bar mechanics performance field detecting devices: described base (2) below also is provided with the roller (7) that vertical height can be regulated.
10. steel bar mechanics performance field detecting device according to claim 1 is characterized by: be provided with the adjustable bolt for the hemisphere of the canopy brace of encorbelmenting in base (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442321 CN202814792U (en) | 2012-08-31 | 2012-08-31 | Field testing device for mechanical properties of reinforcing steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442321 CN202814792U (en) | 2012-08-31 | 2012-08-31 | Field testing device for mechanical properties of reinforcing steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814792U true CN202814792U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442321 Expired - Fee Related CN202814792U (en) | 2012-08-31 | 2012-08-31 | Field testing device for mechanical properties of reinforcing steel bar |
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| Country | Link |
|---|---|
| CN (1) | CN202814792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674699A (en) * | 2012-08-31 | 2014-03-26 | 昆山市建设工程质量检测中心 | Site detection equipment for mechanical property of steel bars |
-
2012
- 2012-08-31 CN CN 201220442321 patent/CN202814792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674699A (en) * | 2012-08-31 | 2014-03-26 | 昆山市建设工程质量检测中心 | Site detection equipment for mechanical property of steel bars |
| CN103674699B (en) * | 2012-08-31 | 2016-01-13 | 昆山市建设工程质量检测中心 | Steel bar mechanics performance field detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130831 |