CN207181192U - A kind of detection means of reinforced steel bar strength - Google Patents
A kind of detection means of reinforced steel bar strength Download PDFInfo
- Publication number
- CN207181192U CN207181192U CN201721256890.8U CN201721256890U CN207181192U CN 207181192 U CN207181192 U CN 207181192U CN 201721256890 U CN201721256890 U CN 201721256890U CN 207181192 U CN207181192 U CN 207181192U
- Authority
- CN
- China
- Prior art keywords
- hardness
- detection means
- test sensor
- surface roughness
- motion bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of detection means of reinforced steel bar strength, it includes portion of the handle and host machine part, the top of Handheld Division point is provided with surface roughness test sensor, the bottom of portion of the handle offers the cavity of Longitudinal extending, it is additionally provided with motion bar and elastic component, motion bar activity is installed in cavity, and elastic component contact is between motion bar and cavity, and the bottom of motion bar is provided with hardness test sensor；Host machine part is provided with controller, controller electrical connection roughness test sensor and hardness test sensor.Surface roughness test is integrated in same device by the present apparatus with hardness test, and is controlled by controller, significantly reduces influence of the surface roughness to hardness test result, and test process is simply, easily and fast.Meanwhile tester can be reminded to test surface roughness, to prevent in Practical Project measurement process due to component surface roughness Ra be more than 2 microns so as to produce mistake Hardness Measurement Results.
Description
Technical field
It the utility model is related to a kind of detection means of reinforced steel bar strength.
Background technology
In building structure inspection work,《Standard for reliability evaluation of civil buildings》Advised in the 5.2nd article of GB50292-2015
It is fixed, it is determined that during concrete component safety grades, should by bearing capacity, the displacement for constructing, being unsuitable for carrying or deformation, crack or
Four inspection projects such as other damages, each grade by inspection component is evaluated respectively, and the wherein minimum one-level in area is as the component
Safety grades.And the element bearing capacity of reinforced concrete member is mainly by concrete strength and reinforcement in concrete intensity
Influence, for it is regular design and construction and have in drawing situation detection project reinforced steel bar strength detection can be taken according to code requirement
It is sampled detection on a small quantity.Such as think the intensity of further verification reinforcing bar, then need to block reinforcing bar, obtained after drawing experiment
Its intensity level.And for lacking the old building of design drawing, block-extraction needed for the detection method of drawing using tradition
The number of components then can be more.But block sampling element bearing capacity can be produced it is certain influence, therefore can be to knot when sampling more
Structure total bearing capacity produces considerable influence.Built for historical sites, it, which can be produced, using above-mentioned detection means to estimate
Loss, in order to Conservation and Renovation substantially then cause bigger injury.Therefore in actually detected, there is an urgent need to one kind based on as far as possible
Under conditions of ensureing member integrity, securely and reliably, the method for conveniently detecting steel strength in concrete component.
On the other hand, the intensity of concrete can be measured its hardness by rebound method and calculate to obtain at present, with to material
Research is goed deep into and developed, and the intensity and its hardness of numerous scientific research personnel's discovery reinforcing bars are there is also certain functional relation, if
Know reinforcing bar hardness, then the intensity of reinforcing bar can be drawn by certain computational methods.Such as in the great meter of national Eleventh Five-Year Plan science and technology
In drawing, the woods peak of Tongji University by the regression analysis to experimental result,《Reinforcing bar is strong in hardness method detection history building
Degree》The relational expression that reinforced steel bar strength and lee ' hardness are commonly used in historical building is proposed in one text, its result can be used for history
The detection of reinforcing bar in building；In addition, be all the Guan little Jun of Tongji University, the hardness of reinforcing bar and its tension also by experimental study
The factor of relation and influence Hardness results between intensity, establishes the strength test curve of Leeb Hardness Tester, and examine at the scene
Test card, shows that methods described has degree of precision,《The intensity of reinforcing bar in hardness method Site Detection existing concrete structure》
It is the intensity of reinforcing bar in live non-damaged detcting concrete component in one text, there is provided a kind of practical technology.
Simultaneously as material hardness testing has larger association with material surface roughness, hardometer test material is being utilized
During expecting hardness, first experimental material surface roughness is generally required, and in the prior art, surface roughness detection and hardness
Test to be split type, surface roughness detects an independent device, the independent device of hardness test so that the intensity of reinforcing bar is surveyed
Try complex, cumbersome.
Utility model content
The utility model provides a kind of detection means of reinforced steel bar strength, which overcomes the deficiency present in background technology.
Technical scheme is used by the utility model solves its technical problem：
A kind of detection means of reinforced steel bar strength, it is characterised in that：It includes portion of the handle and host machine part (70), Handheld Division
/ top is provided with surface roughness test sensor (10), and the bottom of portion of the handle offers the cavity of Longitudinal extending
(20) motion bar (30) and elastic component, are additionally provided with, motion bar (30) activity is installed in cavity (20), and elastic component contact is in motion bar
(20) between cavity, and the bottom of motion bar (30) is provided with hardness test sensor；Host machine part (70) is provided with control
Device, controller electrical connection roughness test sensor (10) and hardness test sensor.
Among one preferred embodiment, the portion of the handle is the body of rod (40), and the bottom of the motion bar (20) protrudes from bar
The bottom face of body (40).
Among one preferred embodiment, host machine part (70) is additionally provided with LCDs (50) and button (60), liquid crystal
Display screen (50) is electrically connected with button (60) with controller.
Among one preferred embodiment, the host machine part (70) is additionally provided with USB interface (71).
Among one preferred embodiment, pass through between controller and roughness test sensor (10) and hardness test sensor
Flexible data line (11) connects.
Among one preferred embodiment, the surface roughness test sensor (10) is popped one's head in for Buddha's warrior attendant.
Among one preferred embodiment, the hardness test sensor is lee ' hardness sensor.
From above-mentioned to description of the present utility model, compared with prior art, the utility model has following beneficial to effect
Fruit：
1st, surface roughness test is integrated in same device by the present apparatus with hardness test, and is controlled by controller
System, influence of the surface roughness to hardness test result is significantly reduced, and test process is simply, easily and fast.Meanwhile energy
Remind tester surface roughness is tested, to prevent in Practical Project measurement process because component surface roughness Ra is big
In 2 microns so as to produce mistake Hardness Measurement Results.And block-hubbing compared to tradition, it is possible to achieve reducing to steel
Under conditions of muscle and component damage degree, it is more convenient, the quick measure completed to reinforced steel bar strength.
Meanwhile roughness test sensor and hardness test sensor integration are on same portion of the handle so that the device
It is light, small to be easy to carry about with one, it can complete to be difficult to conventional method the strength of materials detection operation at the position of operation.Separately
Outside, combined using the present apparatus with conventional method, both can greatly ensure the integrality of building element, and detection is tied
Structure intensity provides a kind of new verification method.The present apparatus is used in actual strength of materials detection, detection work can be improved
The speed of work, it also ensure that the safety of detection work.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present apparatus.
Fig. 2 is the testing process schematic diagram of the present apparatus.
Embodiment
Below by way of embodiment, the utility model will be further described.
Referring to Figures 1 and 2, a kind of detection means of reinforced steel bar strength, it includes portion of the handle and host machine part 70.
The top of Handheld Division point is provided with surface roughness test sensor 10, and the center of portion of the handle lower end offers vertical
To the cavity 20 of extension, motion bar 30 and elastic component (not shown) are additionally provided with, the activity of motion bar 30 is installed in cavity 20,
Elastic component contact is between motion bar 30 and cavity, and the bottom of motion bar 30 is provided with hardness test sensor.
In the present embodiment, the portion of the handle is the body of rod 40, and the bottom of the motion bar 30 protrudes from the bottom of the body of rod 40
Face.
In the present embodiment, the surface roughness test sensor 10 is popped one's head in for Buddha's warrior attendant, and the probe is located at the top of the body of rod 40
The center of end.
In the present embodiment, the hardness test sensor is lee ' hardness sensor.Hardness test sensor enters to steel
Row hardness test, and hardness test result is sent to controller, controller is provided with hardness and intensity function relational expression, control
Device is analyzed hardness test result and the intensity level of steel is conversed by hardness and intensity function relation.
Host machine part 70 is provided with controller, controller electrical connection roughness test sensor 10 and hardness test sensing
Device.
In the present embodiment, host machine part 70 is additionally provided with LCDs 50 and button 60, LCDs 50 and button
60 are electrically connected with controller.
In the present embodiment, pass through flexible data between controller and roughness test sensor 10 and hardness test sensor
Line 11 connects.
In the present embodiment, the host machine part 70 also includes User-Defined Functions import modul, and it is connected with controller,
When in controller not comprising the hardness of steel is tested with intensity function relational expression, User-Defined Functions relational expression can be passed through
Mode by the functional relation import controller in.Hardness in view of existing built-in function not in full conformity with test member
With the functional relation situation of its intensity, therefore User-Defined Functions import modul is also provided with.Specifically, as found built-in function
The material hardness being calculated and strength relationship and when having larger difference of material of measuring and monitoring the growth of standing timber, can use actual sampling and the present apparatus
The method being combined is tested, according to the result of sampling inspection of part, existing material hardness-strength of materials function is repaiied
Just, so as to realize using the present apparatus reduce tradition block-Hubbing method sampling quantity, reduce to component and structural damage.
So that the device is applied widely, can promote its operation strategies to steel construction, go along with sb. to guard him in the detection of the Steel materials such as steelframe, realize
In the case where running into and being not suitable for carrying out blocking the testing conditions of sampling, the detection to Steel material intensity is still smoothly completed.
In the present embodiment, the host machine part 70 is additionally provided with USB interface 71.User can be by the USB interfaces, will
User-Defined Functions import modul is connected with the controller of main frame, and respective function is edited in computer corresponds to software and is led
Enter.
When specifically used, first rebar surface in required test concrete component, or steel member material surface are polished
It is smooth, test surfaces surface flatness is met hardometer test request.
The hand-held body of rod 40, the Buddha's warrior attendant of surface rough 10 is popped one's head in and contacted with surveyed region surface.Main frame
Controller incoming surface roughness data can then be analyzed, if material surface roughness test result is less than roughness
Reference value, meet hardness test requirement, then prompt user to carry out material hardness testing by liquid crystal display；If material surface is thick
Rugosity is more than roughness reference value, it is impossible to meets hardness test requirement, then prompts user to need to continue polishing processing, avoid
Hardness test produces error result.
Component surface roughness to be tested meets after requiring that testing staff holds the body of rod 40, in making the bottom of motion bar 30
Family name's hardness transducer is with meeting that the test material surface of roughness is contacted, by pressing keys 60 so that controller controls
Lee ' hardness sensor completes the rebound test to body surface, obtains the test data result of material surface hardness, then pass through
Button 60 selects suitable built-in hardness to pass through built-in material hardness with intensity function relational expression and relevant parameter, controller
With intensity function relational expression, calculate analysis and obtain the intensity of material, and exported by LCDs 50.
Specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto,
All changes for carrying out unsubstantiality to the utility model using this design, all should belong to the row for invading scope of protection of the utility model
For.
Claims (7)
- A kind of 1. detection means of reinforced steel bar strength, it is characterised in that：It includes portion of the handle and host machine part (70), portion of the handle Top be provided with surface roughness test sensor (10), the bottom of portion of the handle offers the cavity of Longitudinal extending (20) motion bar (30) and elastic component, are additionally provided with, motion bar (30) activity is installed in cavity (20), and elastic component contact is in motion bar (30) between cavity, and the bottom of motion bar (30) is provided with hardness test sensor；Host machine part (70) is provided with control Device, controller electrical connection roughness test sensor (10) and hardness test sensor.
- A kind of 2. detection means of reinforced steel bar strength as claimed in claim 1, it is characterised in that：The portion of the handle is the body of rod (40), the bottom of the motion bar (30) protrudes from the bottom face of the body of rod (40).
- A kind of 3. detection means of reinforced steel bar strength as claimed in claim 1, it is characterised in that：Host machine part (70) is additionally provided with LCDs (50) and button (60), LCDs (50) are electrically connected with button (60) with controller.
- A kind of 4. detection means of reinforced steel bar strength as claimed in claim 1, it is characterised in that：The host machine part (70) also sets It is equipped with USB interface (71).
- A kind of 5. detection means of reinforced steel bar strength as claimed in claim 1, it is characterised in that：Controller passes with roughness test Connected between sensor (10) and hardness test sensor by flexible data line (11).
- A kind of 6. detection means of reinforced steel bar strength as described in any one in Claims 1-4, it is characterised in that：The table Surface roughness test sensor (10) is popped one's head in for Buddha's warrior attendant.
- A kind of 7. detection means of reinforced steel bar strength as described in any one in Claims 1-4, it is characterised in that：It is described hard Degree test sensor is lee ' hardness sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256890.8U CN207181192U (en) | 2017-09-27 | 2017-09-27 | A kind of detection means of reinforced steel bar strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256890.8U CN207181192U (en) | 2017-09-27 | 2017-09-27 | A kind of detection means of reinforced steel bar strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181192U true CN207181192U (en) | 2018-04-03 |
Family
ID=61748423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721256890.8U Active CN207181192U (en) | 2017-09-27 | 2017-09-27 | A kind of detection means of reinforced steel bar strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024535A (en) * | 2019-01-22 | 2020-04-17 | 武宇生 | Non-standard Leeb hardness test method and impact hardness tester |
-
2017
- 2017-09-27 CN CN201721256890.8U patent/CN207181192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024535A (en) * | 2019-01-22 | 2020-04-17 | 武宇生 | Non-standard Leeb hardness test method and impact hardness tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2441234C1 (en) | Method to analyse structure and monitor strength of building structures concrete and device for its realisation | |
| AU2016343320B2 (en) | Test system and test method for detecting cement content in pile body of cement mixing pile in real-time | |
| CN207335588U (en) | A kind of construction engineering quality detection device | |
| CN106769449A (en) | A kind of method of live autoclave aerated concrete building block intensity quick detection | |
| CN211503961U (en) | Concrete material apparent crack monitoring and detecting device | |
| CN207181192U (en) | A kind of detection means of reinforced steel bar strength | |
| CN105424805A (en) | Device for general survey detection of internal and external defects of ancient architecture wood members based on conventional detection method | |
| CN101839830A (en) | Mortar strength digital display testing instrument | |
| CN205561904U (en) | Building structure entity multifunctional detector | |
| CN107727522A (en) | A kind of device based on hardness method measurement steel strength | |
| CN205580635U (en) | Ground stress test device | |
| CN210051286U (en) | Guiding rule for detecting flatness of wall surface | |
| CN207017320U (en) | A kind of foundation pile low-strain dynamic measure system | |
| CN106839960A (en) | Nondestructive testing method for size and internal defects of mortise and tenon joint of wood structure | |
| CN207374421U (en) | A kind of new type train wheel trailing type smart flaw detection system | |
| CN104236502A (en) | Nondestructive measuring instrument for thickness of covering rubber layer of steel wire lining conveyer belt and measuring method thereof | |
| CN110940731A (en) | Hammer strikes and detects auxiliary device | |
| CN104502076B (en) | Method for arranging strain gauges in continuous beam plastic force test | |
| CN207850273U (en) | A kind of LNG ship cargo tank flatness inspection device | |
| CN109900562A (en) | A kind of method of multiple pressure head detection polymer matrix composites bending property | |
| CN206540776U (en) | A kind of test device of the combination of rigidity and flexibility test specimen bitumen layer modulus of resilience | |
| CN107621426A (en) | The test method of cement paste extreme early modulus of elasticity | |
| CN109798834B (en) | Structure surface crack monitoring device and method based on laser scanning | |
| CN207585491U (en) | Floor measuring thickness device | |
| CN212301420U (en) | Hand-held type eddy current test probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |