CN113533063A - Portable cement soil test block strength detection device and working method - Google Patents
Portable cement soil test block strength detection device and working method Download PDFInfo
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- CN113533063A CN113533063A CN202110784873.6A CN202110784873A CN113533063A CN 113533063 A CN113533063 A CN 113533063A CN 202110784873 A CN202110784873 A CN 202110784873A CN 113533063 A CN113533063 A CN 113533063A
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 239000004568 cement Substances 0.000 title claims abstract description 48
- 239000002689 soil Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 8
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 7
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention relates to a portable cement soil test block strength detection device and a working method thereof, and the portable cement soil test block strength detection device comprises a lever which is horizontally arranged, wherein one end of the lever is connected with a pulley component through a steel wire, the other end of the lever is hinged with an upright post, the upright post is positioned at one end of a bottom plate, and a pressurizing component is arranged at one side close to the upright post; the pressurizing assembly comprises a pressurizing plate connected with the lever, a bearing plate is arranged under the pressurizing plate, the bearing plate is fixed on the bottom plate through a drill core placing base, the bearing plate covers the protective cover, and an opening used for the pressurizing plate to pass through is formed in the upper surface of the protective cover. The detection device can realize the compressive strength detection of the drill core preparation site, and has the advantages of low manufacturing cost, high efficiency and convenient processing and manufacturing. The pulley assembly passes through the steel wire power transmission in-process, shows the pulling force that the pulley assembly bore through intensity display mechanism, promptly for boring core test block compressive strength detected value, convenient to use and the degree of accuracy satisfy the demand of witnessed inspections.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a portable cement soil test block strength detection device and a working method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The cement soil structure is most soil, a small amount of cement and the appropriate water of proportion, forms through even mix and compaction sclerosis, belongs to novel building material, and its performance has the wide application between soil and concrete in a plurality of construction fields such as the lining of lane bank protection and channel and the reinforcement of highway road surface ground.
The detection of cement soil compressive strength is mostly indoor experiment, and the testing sample includes test block cube, bores core test block etc. and the test block all needs to be transported and experiments in the laboratory, and is with high costs, efficient, can not obtain the compressive strength value fast at the job site, and detection device needs hydraulic pressure or electric power to realize detecting simultaneously, and the portability is relatively poor.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a portable device for detecting the strength of a cement test block and a working method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a portable device for detecting the strength of a cement soil test block, which comprises a lever horizontally arranged, wherein one end of the lever is connected with a pulley component through a steel wire, the other end of the lever is hinged with an upright post, the upright post is positioned at one end of a bottom plate, and a pressurizing component is arranged at one side close to the upright post;
the pressurizing assembly comprises a pressurizing plate connected with the lever, a bearing plate is arranged under the pressurizing plate, the bearing plate is fixed on the bottom plate through a drill core placing base, the bearing plate covers the protective cover 9, and an opening used for the pressurizing plate to pass through is formed in the upper surface of the protective cover.
The pulley assembly drives the steel wire to move, the steel wire pulls the lever, the lever drives the pressurizing plate to move towards the bearing plate, and the cement soil test block is compressed on the bearing plate through the pressurizing plate to realize strength detection.
The pulley assembly connection strength display mechanism displays the tensile force borne by the steel wire in the cement test block strength detection process, namely the strength detection value of the cement test block.
The pulley component comprises a driving pulley block and a driven pulley block which are connected through a flexible belt.
The hinged connection point of the lever and the upright post is positioned at the same horizontal position with the pressure plate.
The bearing plate upper surface is equipped with the cushion, adjusts the distance between increased pressure board and the loading board through the cushion.
The protective cover is made of transparent material.
A second aspect of the invention provides a method of operating the apparatus described above, comprising the steps of:
the cement soil drilling core test block is positioned between the pressurizing plate and the bearing plate, the protective cover is closed, and the pulley assembly pulls the steel wire to drive the lever to move, so that the pressurizing plate pressurizes the cement soil drilling core test block;
the tensile force born by the steel wire is displayed through the strength display mechanism, namely the detection value of the compressive strength of the cement soil drill core test block is obtained;
and after the detection is finished, lifting the pressurizing plate and opening the protective cover.
When the size of the cement-soil drilling core test block in the vertical direction does not meet the minimum vertical distance between the pressure plate and the bearing plate, the distance between the cement-soil drilling core test block and the pressure plate is adjusted by placing a cushion block on the upper surface of the bearing plate.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
1. the detection device can realize the compressive strength detection of the drill core preparation site, and has the advantages of low manufacturing cost, high efficiency and convenient processing and manufacturing.
2. The pulley assembly passes through the steel wire power transmission in-process, shows the pulling force that the pulley assembly bore through intensity display mechanism, promptly for boring core test block compressive strength detected value, convenient to use and the degree of accuracy satisfy the demand of witnessed inspections.
3. The power required by the pressure plate is transmitted through the pulley assemblies through the steel wires and the levers, the pulley assemblies are mechanical parts, extra hydraulic power or electric power is not needed, the strength detection of the test block can be realized by manually pulling the pulley assemblies on a construction site, and small equipment on the construction site can be used as a power source to drive the pulley assemblies, so that the portability of the detection device meets the environment of the construction site.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the overall structure provided by one or more embodiments of the present invention;
in the figure: 1-a sheave assembly; 2-steel wire; 3-a lever; 4-steel column; 5-a steel plate; 6-a drill core placing base; 7-a compression plate; 8-a pressure bearing plate; 9-a protective cover; 10-drilling a core test block by using cement soil; 11-digital display pressure gauge; 12-a nut; 13-a pressure plate through opening; 14-cushion block.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, for the detection of the compressive strength of the cement soil, the detection device mainly uses indoor detection, the indoor detection device is more complex and inconvenient for a construction site, and cannot meet the detection requirement of the construction site, test blocks all need to be transported to a laboratory for experiment, the cost is high, the efficiency is low, and the compressive strength value of the test blocks cannot be obtained in time on the site.
In addition, the indoor detection device often provides the power required by strength detection by using an electric power or hydraulic mode, and the power requirement required by detection is difficult to meet on a construction site, so that the detection device is poor in portability.
Therefore, the following embodiment provides a portable device for detecting the strength of a cement soil test block and a working method, the lever is used for driving a pressurizing plate to realize strength detection, the tail end of the lever realizes the detection of power through a steel wire and a pulley assembly, the lever is a mechanical part completely, only a digital display pressure gauge needs to be powered by a battery, and the device is simple in structure and meets the portability required by construction site detection.
The first embodiment is as follows:
as shown in figure 1, the portable cement soil test block strength detection device comprises a lever 3 which is horizontally arranged, one end of the lever is connected with a pulley component 1 through a steel wire 2, the other end of the lever is hinged with an upright post, the upright post is positioned at one end of a bottom plate, and a pressurizing component is arranged at one side close to the upright post;
the pressurizing assembly comprises a pressurizing plate 7 connected with the lever 3, a bearing plate 8 is arranged under the pressurizing plate 7, the bearing plate 8 is fixed on the bottom plate through a drill core placing base 6, the bearing plate 8 covers a protective cover 9, and the upper surface of the protective cover is provided with a through hole for the pressurizing plate 7 to pass through.
Pulley components drive the steel wire motion, and the steel wire pulling lever 3's one end, lever 3 drive increased pressure board 7 towards the motion of bearing plate 8, realize the intensity detection of cement soil test block.
The pulley assembly connection strength display mechanism displays the tensile force borne by the steel wire in the cement test block strength detection process, namely the strength detection value of the cement test block.
A cement soil core drilling test block 10 is arranged between the pressure plate 7 and the bearing plate 8.
A spacer 14 is provided on the upper surface of the pressure bearing plate 8 for adjusting the distance between the pressurizing plate 7 and the pressure bearing plate 8; for example, if the vertical dimension of the core cement block 10 is too small, the minimum distance between the pressure plate 7 and the bearing plate 8 still cannot be pressed, and the pad 14 needs to be pre-padded into the bottom of the core cement block 10 (and the upper surface of the bearing plate 8), so as to pre-reduce the distance between the pressure plate 7 and the core cement block 10, thereby realizing strength detection.
In this embodiment, in order to ensure the strength of the whole detection device, the steel column 4 is used as a stand column, and the steel plate 5 is used as a bottom plate.
The pulley component 1 is fixed at one end of the lever 3 through the steel wire 2 to form a power device taking a pulley-steel wire-lever as a force transmission path, the pulley component is a mechanical part, power input can be in any form, for example, the pulley component can be pulled manually to move, or small equipment (a pump) on a construction site is utilized, and meanwhile, when the pulley component is pulled manually, the labor is saved for operators.
The steel column 4 is hinged and fixed at the other end of the lever 3 and is welded with the lower steel plate 5 to form a U-shaped supporting table for bearing the strength load required by the compression test block in the strength detection process.
The hinge connection point is a fulcrum of the lever 3, and a nut 12 is provided at the hinge connection point for adjusting a rotational friction force of the hinge connection point in the present embodiment.
In this embodiment, the pressing plate 7 and the nut 12 are at the same horizontal position, and the pressing plate 7 is located at the pressing plate passage opening 13.
The drill core placing base 6 is fixed on the steel plate 5, the pressurizing plate 7 is connected with the lever 3, and the bearing plate 8 is fixed on the drill core placing base 6; the drill core placing base 6 is provided with a protective cover 9, and openings are formed in the front side and the rear side of the protective cover 9.
The cement-soil core drilling test block 10 is positioned between the pressure plate 7 and the bearing plate 8, and the distance between the pressure plate 7 and the bearing plate 8 is reduced through the vertical movement of the pressure plate 7, so that the strength detection of the cement-soil core drilling test block 10 is completed.
Pulley block 1 passes the power in-process through steel wire 2, shows the drill core test block compressive strength detection value through intensity display mechanism, and the intensity display mechanism in this embodiment is digital display manometer 11, and the detection value shows directly perceived.
In the process of realizing strength detection by pressing the core drilling test block on site, the protective cover 9 can prevent fragments generated by the fracture of the cement test block from hurting people, and the protective cover 9 is made of transparent PVC material; test blocks of different sizes can be height adjusted by the spacer block 14.
The pulley component 1 comprises a driving pulley block and a driven pulley block which are connected through a flexible belt.
The detection device with the structure can realize the detection of the compressive strength of the drill core preparation site, and has the advantages of low manufacturing cost, high efficiency and convenient processing and manufacturing.
The pulley assembly passes through the steel wire power transmission in-process, shows the pulling force that the pulley assembly bore through intensity display mechanism, promptly for boring core test block compressive strength detected value, convenient to use and the degree of accuracy satisfy the demand of witnessed inspections.
The power required by the pressure plate is transmitted through the pulley assembly through the steel wire and the lever, the pulley assembly is a mechanical part, and no extra hydraulic power or electric power is needed, the strength detection of the test block can be realized by manually pulling the pulley assembly on a construction site, and small equipment on the construction site can be used as a power source to drive the pulley assembly, so that the detection device is high in portability; the design of the pulley block can also lead the operators to save physical strength.
In addition, the strength detection process is realized by pressing the cement soil test block on the bearing plate through the pressurizing plate and recording the strength of the broken cement soil test block, namely the tensile force displayed by the strength display device, the strength detection needs to be ensured to be carried out when the cement soil test block is just broken, the introduction of the pulley assembly enables the control process of the pressing to be more accurate, and the problem that the strength detection is inaccurate due to the fact that the pressing force is too large when a hydraulic cylinder or an electric pressurizing plate is used cannot occur.
Example two:
the working method of the embodiment comprises the following steps:
placing a cement soil drilling core test block 10 at the center of a pressure bearing plate 8, closing a protective cover 9, rotating a pulley assembly 1 through external force input, pulling a steel wire 2 by the pulley assembly 1, driving a lever 3 to move downwards, and pressurizing the cement soil drilling core test block 10 by a pressurizing plate 7;
when the dimension of the cement soil core drilling test block 10 in the vertical direction does not meet the minimum vertical distance between the pressurizing plate and the bearing plate, placing a cushion block 14 for adjusting the height;
in the process that the pressurizing plate 7 pressurizes the cement-soil core drilling test block 10, a digital display pressure gauge 11 (an intensity display mechanism) is used for displaying the compression strength detection value of the core drilling test block;
after the experiment, the pressurizing plate 7 is lifted, the protective cover 9 is opened, and the overall cleaning work can be conveniently carried out.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a portable soil cement test block intensity detection device which characterized in that: the device comprises a lever which is horizontally arranged, one end of the lever is connected with a pulley assembly through a steel wire, the other end of the lever is hinged with an upright post, the upright post is positioned at one end of a bottom plate, and a pressurizing assembly is arranged at one side close to the upright post;
the pressurizing assembly comprises a pressurizing plate connected with the lever, a bearing plate is arranged under the pressurizing plate, the bearing plate is fixed on the bottom plate through a drill core placing base, the bearing plate covers the protective cover, and an opening used for the pressurizing plate to pass through is formed in the upper surface of the protective cover.
2. The portable soil cement test block strength detection device of claim 1, wherein: the pulley assembly drives the steel wire to move, the steel wire pulls the lever, and the lever drives the pressurizing plate to move towards the bearing plate.
3. The portable soil cement test block strength detection device of claim 2, wherein: and the cement soil test block is tightly pressed on the bearing plate through the pressurizing plate to realize strength detection.
4. The portable soil cement test block strength detection device of claim 1, wherein: the pulley assembly connection strength display mechanism displays the tensile force borne by the steel wire in the cement test block strength detection process, namely the strength detection value of the cement test block.
5. The portable soil cement test block strength detection device of claim 1, wherein: the pulley assembly comprises a driving pulley block and a driven pulley block which are connected through a flexible belt.
6. The portable soil cement test block strength detection device of claim 1, wherein: the bearing plate upper surface is equipped with the cushion, adjusts the distance between increased pressure board and the loading board through the cushion.
7. The portable soil cement test block strength detection device of claim 1, wherein: the hinged connection point of the lever and the upright post is positioned at the same horizontal position with the pressure plate.
8. The portable soil cement test block strength detection device of claim 1, wherein: the protective cover is made of transparent materials.
9. Method of operation based on a device according to any of claims 1 to 8, comprising the following steps:
the cement soil drilling core test block is positioned between the pressurizing plate and the bearing plate, the protective cover is closed, and the pulley assembly pulls the steel wire to drive the lever to move, so that the pressurizing plate pressurizes the cement soil drilling core test block;
the tensile force born by the steel wire is displayed through the strength display mechanism, namely the detection value of the compressive strength of the cement soil drill core test block is obtained;
and after the detection is finished, lifting the pressurizing plate and opening the protective cover.
10. The method of operation of claim 9, wherein: when the size of the cement-soil drilling core test block in the vertical direction does not meet the minimum vertical distance between the pressure plate and the bearing plate, the distance between the cement-soil drilling core test block and the pressure plate is adjusted by placing a cushion block on the upper surface of the bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110784873.6A CN113533063A (en) | 2021-07-12 | 2021-07-12 | Portable cement soil test block strength detection device and working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110784873.6A CN113533063A (en) | 2021-07-12 | 2021-07-12 | Portable cement soil test block strength detection device and working method |
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| CN113533063A true CN113533063A (en) | 2021-10-22 |
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| CN110543734A (en) * | 2019-09-06 | 2019-12-06 | 山东省建筑科学研究院有限公司 | Variable-rigidity cement-soil core-insert combined pile and design method |
| CN111141627A (en) * | 2019-12-27 | 2020-05-12 | 太原理工大学 | Concrete creep test loading device considering car-induced cyclic load effect |
| CN112067451A (en) * | 2020-09-15 | 2020-12-11 | 河南理工大学 | Concrete stretching compression creep multi-mode loading device |
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2021
- 2021-07-12 CN CN202110784873.6A patent/CN113533063A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100976765B1 (en) * | 2010-05-27 | 2010-08-18 | 주식회사 알앤비 | High precise apparatus for applying constant load of hybrid type using lever and air cylinder |
| CN202599767U (en) * | 2012-05-30 | 2012-12-12 | 兰州交通大学 | Practical bridge deck pavement layer shearing tester |
| CN103217344A (en) * | 2013-03-19 | 2013-07-24 | 西安建筑科技大学 | On-site measuring device for concrete strength |
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