CN204788242U - Dark measuring device of concrete carbonization - Google Patents

Dark measuring device of concrete carbonization Download PDF

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Publication number
CN204788242U
CN204788242U CN201520531839.8U CN201520531839U CN204788242U CN 204788242 U CN204788242 U CN 204788242U CN 201520531839 U CN201520531839 U CN 201520531839U CN 204788242 U CN204788242 U CN 204788242U
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CN
China
Prior art keywords
slide rheostat
measurement mechanism
concrete carbonization
resistance wire
depth measurement
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.)
Expired - Fee Related
Application number
CN201520531839.8U
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Chinese (zh)
Inventor
周伟
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ZHENJIANG JIANKE ENGINEERING QUALITY INSPECTION CENTER Co Ltd
Original Assignee
ZHENJIANG JIANKE ENGINEERING QUALITY INSPECTION CENTER Co Ltd
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Priority to CN201520531839.8U priority Critical patent/CN204788242U/en
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Publication of CN204788242U publication Critical patent/CN204788242U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a dark measuring device of concrete carbonization, includes slide rheostat, measures guide arm, converting circuit and display device, measures the one end of guide arm and the one end or the gleitbretter fixed connection of slide rheostat's a resistance wire section of thick bamboo for change the relative position of gleitbretter on a resistance wire section of thick bamboo when measuring, slide rheostat's terminal corresponds with converting circuit's input and is connected, and display device is connected with converting circuit's output electricity. The problem of during the artifical reading of direct -reading meter easy the introduction think error and the technique that the structure is complicated, the maintenance cost is high of current digital display formula measuring apparatu is solved. Its simple structure, with low costs, maintenance convenience.

Description

Concrete carbonization depth measurement mechanism
Technical field
The utility model relates to field of measuring technique.Specifically, a kind of concrete carbonization depth measurement mechanism is related to.
Background technology
Concrete carbonization value refers to that concrete carbonization has certain influence to its intensity from the inside carbonation depth of concrete surface.Therefore, utilize during rebound method in concrete compressive strength detection and need to revise concrete strength scaled value according to concrete carbonation depth, the carbonation depth detection table of current use is generally dial plate direct-reading, scale display precision is 0.25mm, although meet the accuracy requirement of current specifications " concrete intensity with rebound method technical regulation " JGJ/T23-2011, in actual measurement, there is error on line of sight when testing staff reads value and read the personal errors such as value choice.
Prior art proposes a kind of digital carbonization depth measuring instrument, it comprises housing, grating, photoelectric sensing assembly, display screen and operation push-button, lanyard hole is equipped with in housing upper left side, in housing, savings battery is equipped with in upside, savings battery is equipped with grating next time, photoelectric sensor assembly is housed on the upside of grating, on the downside of grating, circuit board is housed, display screen and single-chip microcomputer circuit board be equipped with, on the downside of display screen, operation push-button is housed, measurement key is equipped with in operation push-button upper left side, on the downside of operation push-button, contact pilotage is housed, contact pilotage is connected with photoelectric sensing assembly by rocking lever, rocking lever is equipped with optoelectronic switch, on the downside of housing, protecgulum is housed.
When utilizing this digital carbonization depth measuring instrument to measure concrete carbonation depth, contact pilotage promotes rocking lever and makes photoelectric sensing assembly be positioned at the diverse location place of grating, its electric signal is input to single-chip microcomputer by the optoelectronic switch be now connected with photoelectric sensing assembly, measurement result is shown to display screen by single-chip microcomputer after signal transacting, thus realizes the digitizing display of concrete carbonization depth measurement result.
But, use the devices such as photoelectric sensing assembly and single-chip microcomputer in above-mentioned digital carbonization depth measuring instrument, complex structure, cost be high, easily break down and maintenance cost is also higher.Obtain measurement result by grating and photoelectric sensing assembly, make this measuring instrument have certain requirement to its environment for use and maintenance cost also corresponding raising.
Utility model content
For this reason, easily introduce when technical problem to be solved in the utility model is direct-reading meter artificial reading and think error, complex structure, the maintenance cost of existing digital display type measuring instrument are high, thus propose the concrete carbonization depth measurement mechanism of the simple digital display type of a kind of structure.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of concrete carbonization depth measurement mechanism, comprise slide rheostat, measure guide rod, change-over circuit and display device, one end or the slide plate of measuring one end of guide rod and the resistance wire cylinder of slide rheostat are fixedly connected with, for changing the relative position of slide plate on resistance wire cylinder when measuring, the binding post of slide rheostat is corresponding with the input end of change-over circuit to be connected, and display device is electrically connected with the output terminal of change-over circuit.
Preferably, also comprise housing, housing is provided with the cavity towards outward opening, the resistance wire cylinder of slide rheostat is movably arranged in cavity, its one end is fixedly connected with the one end measuring guide rod, and the other end measuring guide rod stretches out outside cavity, and the slide plate of slide rheostat is fixedly located on housing.
Preferably, change-over circuit comprises resistance measuring circuit, scale unit and display circuit successively, resistance measuring circuit is for measuring the resistance variations of slide rheostat, scale unit is used for the carbonation depth value resistance variations of slide rheostat being converted to detected concrete, and display circuit is for being presented at display device by the carbonation depth measured value.
Preferably, also comprise elastomeric element, elastomeric element is arranged in cavity, and between the other end and cavity madial wall of the resistance wire cylinder of slide rheostat.
Preferably, elastomeric element is spring, and its one end is connected with cavity madial wall, and the other end is connected with the other end of the resistance wire cylinder of slide rheostat.
Preferably, also comprise over cap, its when covering mutually with concrete carbonization depth measurement mechanism for stretching out in the accommodating part of cavity in it by measuring guide rod.
Preferably, the range of this concrete carbonization depth measurement mechanism is 20mm.
Preferably, the measuring accuracy of this concrete carbonization depth measurement mechanism is 0.01mm.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the concrete carbonization depth measurement mechanism that provides of the utility model, not only can be realized the digitizing display of measurement result, reduce the personal error because manual read's value causes by display device.And it drives the resistance wire cylinder of slide rheostat and the relative motion of slide plate by measuring guide rod, thus the carbonation depth value of detected concrete is converted to the change in resistance of slide rheostat, and displays it.Its structure is simple, cost is low, easy to maintenance.
2. the concrete carbonization depth measurement mechanism that provides of the utility model, also comprises the elastomeric element be arranged in cavity, and between the other end of the resistance wire cylinder of cavity madial wall and slide rheostat.Can prevent from, because the reasons such as friction force cause the resistance wire cylinder of slide rheostat and the relative position knots modification of slide plate to exceed the carbonation depth of detected concrete, causing measurement result inaccurate.Can also, after measurement, the resistance wire cylinder automatic returning of slide rheostat can be made to measure initial point.
Accompanying drawing explanation
Fig. 1 is a kind of concrete carbonization depth measurement mechanism structural representation of the utility model embodiment.
In figure, Reference numeral is expressed as: 1-housing, 2-measure guide rod, 3-slide rheostat, 4-spring, 5-circuit board, 6-display device, 7-over cap.
Embodiment
In order to make those skilled in the art person understand the utility model content better, below in conjunction with drawings and Examples, technical scheme provided by the utility model is described in further detail.
In description of the present utility model, it should be noted that, term " on ", D score, " vertically ", the orientation of the instruction such as " left side " and " right side " or position relationship be based on orientation shown in the drawings or position relationship, it is only the technical program for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figure 1, present embodiments provide a kind of concrete carbonization depth measurement mechanism, comprise slide rheostat 3, measure guide rod 2, change-over circuit and display device 6, one end or the slide plate of measuring one end of guide rod 2 and the resistance wire cylinder of slide rheostat 3 are fixedly connected with, for changing the relative position of slide plate on resistance wire cylinder when measuring, the binding post of slide rheostat 3 is corresponding with the input end of change-over circuit to be connected, and display device 6 is electrically connected with the output terminal of change-over circuit.
Particularly, this measurement mechanism also comprises housing 1, housing 1 is provided with the cavity towards outward opening, the resistance wire cylinder of slide rheostat 3 is movably arranged in cavity, its one end is fixedly connected with the one end measuring guide rod 2, the other end measuring guide rod 2 stretches out outside cavity, the slide plate of slide rheostat 3 is fixedly located on housing 1, measure guide rod 2 and stretch out the one end outside cavity changes itself and housing 1 relative position according to the carbonation depth of detected concrete, thus drive the resistance wire cylinder of slide rheostat 3 to move in cavity, thus change itself and the relative position being fixedly located at the slide plate on housing 1.In addition, also comprise circuit board 5, each components and parts reasonable layout of change-over circuit is on this circuit board 5.Display device 6 is fixedly installed on housing 1.The resistance wire cylinder of slide rheostat 3, is the insulating cylinder being arranged with resistance wire of slide rheostat 3.Also or, the resistance wire cylinder of slide rheostat 3 is fixedly located on housing 1, and it is parallel with cavity, slide plate is positioned at cavity and is fixedly connected with measurement guide rod 2, measure guide rod 2 and move up and down by driving slide plate the relative position changing slide plate and resistance wire cylinder, thus change the effective resistance of slide rheostat 3.
When carrying out carbonation depth measurement, first the resistance wire cylinder of slide rheostat 3 is made to be positioned at bottom closest to the opening part on housing 1 by gravity or by pullling measurement guide rod 2, if slide plate is movable, resistance wire cylinder is fixed, make slide plate be positioned at bottom closest to the opening part on housing 1, namely make to measure guide rod 2 and be in measurement origin position; Then, the carbonation depth according to detected concrete upwardly measures guide rod 2, makes the slide plate of slide rheostat 3 corresponding with the relative displacement of resistance wire cylinder and the carbonation depth of detected concrete; Finally, utilize change-over circuit the changing value of the effective resistance of slide rheostat 3 to be converted to the carbonation depth value of detected concrete, and show on display device 6.
The concrete carbonization depth testing apparatus that the present embodiment provides, not only can be realized the digitizing display of measurement result, reduce the personal error because manual read's value causes by display device 6.And it drives resistance wire cylinder or the slide plate of slide rheostat 3 by measuring guide rod 2, change the relative position of resistance wire cylinder and slide plate, thus the carbonation depth value of detected concrete is converted to the effective resistance changing value of slide rheostat 3, and display it.Its structure is simple, cost is low, easy to maintenance.
In the present embodiment, when slide rheostat 3 resistance wire cylinder activity arrange and slide plate be fixedly installed time, cavity is specially stepped cylindrical cavity, namely the region at the resistance wire cylinder place of slide rheostat 3 and its diameter of above region larger, be greater than the resistance wire cylinder of slide rheostat 3, and its diameter of region measuring guide rod 2 place is less, be greater than the diameter but the diameter being less than the resistance wire cylinder of slide rheostat 3 of measuring guide rod 2.The stepped setting of this cavity can prevent the resistance wire cylinder of slide rheostat 3 from this cavity landing.When the resistance wire cylinder lower end of slide rheostat 3 contacts with the cascaded surface of cavity, the measurement guide rod 2 of this concrete carbonization depth measurement mechanism is in measurement origin position.Or, in the cavity of the present embodiment, be provided with the baffle plate of the opening part landing preventing the resistance wire cylinder of slide rheostat 3 from cavity.
As the embodiment of the present embodiment, above-mentioned change-over circuit comprises resistance measuring circuit, scale unit and display circuit successively, resistance measuring circuit is for measuring the resistance variations of slide rheostat, scale unit is used for the carbonation depth value resistance variations of slide rheostat being converted to detected concrete, and display circuit is used for the carbonation depth value measured to be presented at display device 6.
As the preferred implementation of the present embodiment, this carbonation depth measurement mechanism also comprises elastomeric element, and elastomeric element is arranged in cavity, and between the other end and cavity madial wall of the resistance wire cylinder of slide rheostat 3.Elastomeric element specifically can be spring 4, and its one end is connected with cavity madial wall, and the other end is connected with the other end of the resistance wire cylinder of slide rheostat 3.When carrying out carbonation depth measurement, measurement guide rod 2 is subject to acting force upwards, thus the resistance wire cylinder of slide rheostat 3 changes with the relative position of the slide plate be fixed on housing 1, and spring 4 is compressed simultaneously.After measurement terminates, the bounce of spring 4 makes the resistance wire cylinder of slide rheostat 3 set back.This elastomeric element can prevent from, because the reasons such as friction force cause the resistance wire cylinder of slide rheostat and the relative position knots modification of slide plate to exceed the carbonation depth of detected concrete, causing measurement result inaccurate.After measurement, can also can make the resistance wire cylinder automatic returning original position of slide rheostat.
As other replaceable embodiments, above-mentioned elastomeric element also can be located at the lower end of the resistance wire cylinder of slide rheostat 3, and its upper end is connected with the lower end of the resistance wire cylinder of slide rheostat 3, lower end is fixed on the madial wall of cavity, the cascaded surface of such as cavity.Or when cavity internal fixtion is provided with the baffle plate of the opening part landing preventing the resistance wire cylinder of slide rheostat 3 from cavity, the lower end of this elastomeric element also can be fixedly connected with this baffle plate.When carrying out carbonation depth measurement, measurement guide rod 2 is subject to acting force upwards, thus the resistance wire cylinder of slide rheostat 3 changes with the relative position of the slide plate be fixed on housing 1, and spring 4 is stretched simultaneously.After measurement terminates, the convergent force of spring 4 makes the resistance wire cylinder of slide rheostat 3 set back.
As another preferred implementation of the present embodiment, this carbonation depth measurement mechanism also comprises over cap 7, its when covering mutually with concrete carbonization depth measurement mechanism for stretching out in the accommodating part of cavity in it by measuring guide rod 2.For the protection of measurement guide rod 2.
In addition, the range of the carbonation depth measurement mechanism in the present embodiment is 20mm, substantially can meet the measurement of the concrete carbonization depth of existing building.Its measuring accuracy is 0.01mm, and compared with the 0.25mm measuring accuracy of existing carbonation depth measuring instrument, its measuring accuracy is higher, also can promote the precision of concrete strength inspection when utilizing the concrete carbonization depth correction concrete strength recorded.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.

Claims (8)

1. a concrete carbonization depth measurement mechanism, it is characterized in that, comprise slide rheostat (3), measure guide rod (2), change-over circuit and display device (6), one end of described measurement guide rod (2) is fixedly connected with one end of the resistance wire cylinder of described slide rheostat (3) or slide plate, for changing the relative position of described slide plate on described resistance wire cylinder when measuring, the binding post of described slide rheostat (3) is corresponding with the input end of described change-over circuit to be connected, described display device (6) is electrically connected with the output terminal of described change-over circuit.
2. concrete carbonization depth measurement mechanism as claimed in claim 1, it is characterized in that, also comprise housing (1), described housing (1) is provided with the cavity towards outward opening, the resistance wire cylinder of described slide rheostat (3) is movably arranged in described cavity, its one end is fixedly connected with one end of described measurement guide rod (2), the other end of described measurement guide rod (2) stretches out outside described cavity, and the slide plate of described slide rheostat (3) is fixedly located on described housing (1).
3. concrete carbonization depth measurement mechanism as claimed in claim 1, it is characterized in that, described change-over circuit comprises resistance measuring circuit, scale unit and display circuit successively, described resistance measuring circuit is for measuring the resistance variations of described slide rheostat, described scale unit is used for the carbonation depth value resistance variations of described slide rheostat being converted to detected concrete, and described display circuit is used for the carbonation depth value measured to be presented at described display device (6).
4. concrete carbonization depth measurement mechanism as claimed in claim 2, it is characterized in that, also comprise elastomeric element, described elastomeric element is arranged in described cavity, and is positioned between the other end of the resistance wire cylinder of described slide rheostat (3) and described cavity madial wall.
5. concrete carbonization depth measurement mechanism as claimed in claim 4, it is characterized in that, described elastomeric element is spring (4), and its one end is connected with described cavity madial wall, and the other end is connected with the other end of the resistance wire cylinder of described slide rheostat (3).
6. the concrete carbonization depth measurement mechanism as described in claim 2 or 4 or 5; it is characterized in that; also comprise over cap (7), its when covering mutually with described concrete carbonization depth measurement mechanism for described measurement guide rod (2) being stretched out in the accommodating part of described cavity in it.
7. the concrete carbonization depth measurement mechanism according to any one of claim 1-5, is characterized in that, the range of this concrete carbonization depth measurement mechanism is 20mm.
8. concrete carbonization depth measurement mechanism as claimed in claim 7, it is characterized in that, the measuring accuracy of this concrete carbonization depth measurement mechanism is 0.01mm.
CN201520531839.8U 2015-07-21 2015-07-21 Dark measuring device of concrete carbonization Expired - Fee Related CN204788242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520531839.8U CN204788242U (en) 2015-07-21 2015-07-21 Dark measuring device of concrete carbonization

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Application Number Priority Date Filing Date Title
CN201520531839.8U CN204788242U (en) 2015-07-21 2015-07-21 Dark measuring device of concrete carbonization

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547140A (en) * 2015-12-11 2016-05-04 重庆地质仪器厂 Detector for embedded depth
CN105783829A (en) * 2016-05-12 2016-07-20 中交武汉港湾工程设计研究院有限公司 Concrete laitance layer thickness measuring device and method
CN110375634A (en) * 2019-06-26 2019-10-25 上海建工集团股份有限公司 A kind of sliding rheostat strain gauge and its application method
CN112268503A (en) * 2020-10-26 2021-01-26 国家电网有限公司 Underwater sediment depth measuring device and method
CN112393678A (en) * 2020-11-12 2021-02-23 黄河水利委员会黄河水利科学研究院 Portable reservoir physical model river sediment deposition depth measuring device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547140A (en) * 2015-12-11 2016-05-04 重庆地质仪器厂 Detector for embedded depth
CN105783829A (en) * 2016-05-12 2016-07-20 中交武汉港湾工程设计研究院有限公司 Concrete laitance layer thickness measuring device and method
CN105783829B (en) * 2016-05-12 2019-05-21 中交武汉港湾工程设计研究院有限公司 Concrete laitance layer apparatus for measuring thickness and its measuring method
CN110375634A (en) * 2019-06-26 2019-10-25 上海建工集团股份有限公司 A kind of sliding rheostat strain gauge and its application method
CN112268503A (en) * 2020-10-26 2021-01-26 国家电网有限公司 Underwater sediment depth measuring device and method
CN112393678A (en) * 2020-11-12 2021-02-23 黄河水利委员会黄河水利科学研究院 Portable reservoir physical model river sediment deposition depth measuring device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118

Termination date: 20190721

CF01 Termination of patent right due to non-payment of annual fee