CN215339408U - Quick judgement device of sand particle diameter - Google Patents
Quick judgement device of sand particle diameter Download PDFInfo
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- CN215339408U CN215339408U CN202121290729.9U CN202121290729U CN215339408U CN 215339408 U CN215339408 U CN 215339408U CN 202121290729 U CN202121290729 U CN 202121290729U CN 215339408 U CN215339408 U CN 215339408U
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- particle size
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- handheld support
- sandy soil
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Abstract
The utility model provides a device for quickly judging the particle size of sandy soil, which comprises a handheld support, wherein the handheld support is matched with observation devices with different magnification factors, each observation device is detachably arranged at one end of the handheld support when in use, each observation device comprises a lens frame detachably arranged on the handheld support, an amplification lens is arranged in the lens frame, the surface of the amplification lens is provided with a first amplification scale mark, two opposite side frames of the lens frame are respectively provided with a standard scale mark and a second amplification scale mark, a soil bearing disc is arranged on the handheld support through a rotating mechanism, and the soil bearing disc can rotate to the position below the amplification lens and is parallel to the lens frame. The utility model is portable and easy to carry, and can quickly and accurately judge the sand grain size.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering investigation and measurement, and particularly relates to a device for quickly judging the particle size of sandy soil.
Background
In geotechnical engineering investigation and foundation treatment reclamation projects at home and abroad, the particle size of sand for exploration and reclamation and the mass ratio of each level are often required to be rapidly judged on site, so that the sand category is determined according to standard standards, and an accurate and timely basis is provided for dynamic design and information construction of geotechnical engineering construction drawings. The classification of the soil in the engineering construction process aims to recognize and identify the types of the soil, and research and evaluation are carried out on different types of soil so as to adapt to and meet the engineering construction requirements. Classification of soil is an important basis of engineering geology and is also one of important contents of soil geology. The method is used for respectively listing various soils with different properties according to a certain principle so as to provide correct analysis and evaluation for different soils aiming at different engineering and building requirements and provide objective and actual basis for reasonably utilizing and reforming various soils. In various engineering surveys, various soil types in a research area should be reasonably classified and reflected on engineering geological plane diagrams and section diagrams to serve as the basis for engineering design and construction. Classification of soils is also a requirement for scientific and technological communication at home and abroad, so that the method has important significance in the scientific research field and the practical engineering application. However, in the investigation and construction sites of the geotechnical engineering in China, the sand grain size is judged, the primary judgment is carried out by combining the experience of field geological record after the observation and the photographing of a magnifying glass are commonly carried out, then, the drilling is carried out according to the investigation specifications to obtain a soil sample, the soil sample is sent to a soil test center for an indoor soil grain analysis test, the classification of the sand is determined according to the mass ratio of each sand grain group obtained by the test, the process is accurate and real in structure but low in efficiency, the judgment of the sand classification is greatly misjudged due to the difference of the working age limit experience of field catalogues, accurate field rock classification data cannot be obtained in time, and the workload of sand classification check according to the indoor test is large in the later period. The existing sand grain size rapid and accurate judgment needs in geotechnical engineering investigation and construction sites are used as a foundation for sand classification, and a sand grain size rapid judgment device is very necessary and has certain engineering practice application significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for quickly judging the particle size of sandy soil, which is portable and easy to carry and can quickly and accurately judge the particle size of the sandy soil.
The utility model is realized by the following technical scheme:
the utility model provides a sand particle diameter rapid judgement device, including handheld support, handheld support is furnished with the observation device of different magnification, each observation device demountable installation is in the one end of handheld support when using, observation device is including being used for demountable installation the lens frame on handheld support, be equipped with the magnifying glass piece in the lens frame, magnifying the lens surface and being equipped with first scale mark that magnifies, be equipped with standard scale mark and the scale mark that magnifies of second on the relative two frames of lens frame respectively, install soil bearing disc through slewing mechanism on the handheld support, soil bearing disc can rotate the below of magnifying the lens, and be parallel with the lens frame.
Furthermore, the rotating mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected with the side face of the handheld support through a first rotating shaft, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod through a second rotating shaft, the other end of the second connecting rod is fixedly connected with the soil bearing disc, and one ends of the first rotating shaft and the second rotating shaft are provided with spiral tightening knobs for preventing the first rotating shaft and the second rotating shaft from rotating.
Furthermore, a limiting block is vertically arranged on the second connecting rod, and when the soil bearing disc rotates to be parallel to the lens frame, the limiting block is abutted to the first connecting rod.
Further, the handheld support is cylindrical, the interior of the handheld support is hollow, and two ends of the handheld support are solid.
Furthermore, one end of the handheld support is provided with a T-shaped groove, and a T-shaped block matched with the T-shaped groove is arranged on the lens frame.
Further, the handheld support is made of stainless steel, the diameter of the handheld support is 30-40mm, and the length of the handheld support is 150-200 mm.
Furthermore, a silica gel anti-slip patch is arranged on the handheld support.
Further, the magnifying lens adopts a Fresnel lens.
Further, the first magnification scale line is cross-shaped.
Furthermore, the periphery of one side of the soil bearing disc facing the lens frame is provided with a bulge.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the sandy soil is placed in the soil bearing disc, observation and measurement are simultaneously carried out by utilizing the amplification function of the amplification lens and the standard scale lines, the first amplification scale lines and the second amplification scale lines, the sandy soil particle size is obtained, and the sandy soil particle size judgment efficiency is improved;
(2) the observation device with different magnification can be replaced, and is suitable for sandy soil with different particle sizes;
(3) can be folded and carried conveniently.
Drawings
FIG. 1 is a schematic structural diagram of a device for rapidly determining sand particle size according to the present invention;
FIG. 2 is a schematic structural diagram of an observation device in the rapid sand particle size determination device according to the present invention;
FIG. 3 is a side view of the device for rapidly determining the sand particle size according to the present invention;
FIG. 4 is a folding side view of the device for rapidly determining the sand particle size according to the present invention;
fig. 5 is a schematic structural diagram of a handheld bracket in the device for rapidly determining sand particle size according to the present invention.
In the figure, 1-a handheld bracket, 11-a T-shaped groove, 12-a silica gel anti-slip sticker, 2-an observation device, 21-a lens frame, 22-an amplification lens, 23-a first amplification scale mark, 24-a standard scale mark, 25-a second amplification scale mark, 26-a T-shaped block, 3-a soil bearing disc, 4-a first connecting rod, 5-a second connecting rod, 6-a spiral tightening knob and 7-a limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a device for rapidly determining a sand particle size according to the present invention. The utility model provides a sand particle diameter rapid judgement device, includes handheld support 1, handheld support 1 is supporting to have observation device 2 of different magnification, and each observation device 2 demountable installation is in the one end of handheld support 1 when using, installs through slewing mechanism on handheld support 1 and holds native dish 3, holds native dish 3 and can rotate the below of magnifying glass piece 22, and is parallel with lens frame 21. The test sandy soil is placed on the soil bearing disc 3, and the observation device 2 is used for observing the test sandy soil, so that the grain diameter of the sandy soil can be rapidly and accurately judged.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an observation device in the device for rapidly determining a sand particle size according to the present invention. The device for rapidly judging the sandy soil particle size is provided with the observation devices 2 with various different magnification factors, and observation of the observation devices 2 with different magnification factors can be replaced according to the particle size of sandy soil, specifically, the observation devices 2 comprise lens frames 21 which are detachably arranged on the handheld support 1, the lens frames 21 are internally provided with the magnifying lenses 22, the surfaces of the magnifying lenses 22 are provided with first magnifying scale marks 23, and two opposite side frames of the lens frames 21 are respectively provided with standard scale marks 24 and second magnifying scale marks 25. The lens frame 21 is rectangular and is located on the same plane as the handheld holder 1 when mounted on the handheld holder 1. The standard scale marks 24 on the frame of the lens frame 21 are standard international length unit scale marks for measuring the size under the non-amplification condition, and the second amplification scale marks 25 are cut according to the amplification factor of the amplification lens 22, so that the sand particle size can be conveniently and directly observed in an amplification mode. The first magnifying scale line 23 on the surface of the magnifying lens 22 has the same magnifying size as the magnifying lens 22, so that the sand grain size can be observed directly in a magnifying manner. Because the particle size distribution of the sandy soil is irregular, the particle size of the sandy soil laid in the soil bearing disc 3 may not be uniform, and therefore the particle size of the sandy soil at the middle part and the surrounding under the visual angle of the magnifying lens 22 may not be uniform, the middle part of the magnifying lens 22 is provided with a first magnifying scale mark 23 for observing the particle size of the sandy soil at the middle area of the soil bearing disc 3, the frame of the lens frame 21 is provided with a second magnifying scale mark 25 for observing the particle size of the sandy soil at the edge area of the soil bearing disc 3, the particle size of the sandy soil in the visual line range can be conveniently determined at one time, and meanwhile, the observation error can be reduced to the maximum extent. In one embodiment, the magnifying lens 22 is a Fresnel lens. The fresnel lens has the advantages of brightness and uniform brightness, has a large viewing angle, can clearly see objects needing to be magnified from different angles, and has light weight and thin thickness compared with a common lens. In one embodiment, the first enlarged scale 23 is cross-shaped.
Referring to fig. 3 and 4, fig. 3 is a side view of the device for rapidly determining sand particle size according to the present invention, and fig. 4 is a folded side view of the device for rapidly determining sand particle size according to the present invention. In an embodiment, in order to ensure that the rotating mechanism is stable during operation and the magnifying lens 22 has accurate magnification, the rotating mechanism includes a first connecting rod 4 and a second connecting rod 5, one end of the first connecting rod 4 is rotatably connected with the side surface of the handheld support 1 through a first rotating shaft, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod 5 through a second rotating shaft, the other end of the second connecting rod 5 is fixedly connected with the soil bearing disc 3, and one end of the first rotating shaft and one end of the second rotating shaft are provided with a spiral tightening knob 6 for preventing the first rotating shaft and the second rotating shaft from rotating. After 6 screws up the knob with the spiral on the first pivot, head rod 4 rotates with first pivot in order to adjust and hold the angle between the support 1, adjusts the back that finishes, screws up the spiral on the first pivot again and steps up knob 6, can fix first pivot to prevent that first pivot from rotating, thereby prevent that head rod 4 from rotating. Similarly, after the spiral tightening knob 6 on the second rotating shaft is loosened, the second connecting rod 5 rotates together with the second rotating shaft to adjust the angle between the second connecting rod and the first connecting rod 4, and after the adjustment is finished, the spiral tightening knob 6 on the second rotating shaft is screwed again, so that the second rotating shaft can be fixed to prevent the first rotating shaft from rotating, and therefore the second connecting rod 5 is prevented from rotating. Therefore, when observation operation is needed, the soil bearing disc 3 is fixed below the magnifying lens 22 by adjusting the first connecting rod 4 to be perpendicular to the handheld support 1 and the second connecting rod 5 to be perpendicular to the first connecting rod 4, the soil bearing disc 3 is parallel to the lens frame 21 and the handheld support 1, in the observation process, the distance between the soil bearing disc 3 and the lens frame 21 is kept unchanged, and the same observation magnification of the same observation device 2 in the observation process is guaranteed to be the same each time. In an embodiment, in order to further ensure that the observation magnification of the same observation device 2 is the same at every time in the observation process, the second connecting rod 5 is vertically provided with a limiting block 7, and when the soil bearing disc 3 rotates to be parallel to the lens frame 21, the limiting block 7 is abutted to the first connecting rod 4. Increase stopper 7 on second connecting rod 5, when the angle between adjustment second connecting rod 5 and head rod 4, rotate second connecting rod 5 and make stopper 7 and head rod 4 butt, second connecting rod 5 is perpendicular with head rod 4 this moment, screws up the epaxial spiral of second and steps up knob 6 and fix the second pivot to when guaranteeing to adjust at every turn, hold soil tray 3 and lens frame 21's distance the same. When the device is carried in normal use, the soil bearing disc 3 is fixed to be abutted against the handheld support 1 by adjusting the first connecting rod 4 and the second connecting rod 5 to be abutted against the handheld support 1, as shown in fig. 4, the device for quickly judging the particle size of the sandy soil is in a folded state and is convenient to carry.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a handheld stand in the device for rapidly determining sand particle size according to the present invention. In one embodiment, the handheld stand 1 is cylindrical, hollow inside and solid at both ends. Handheld 1 both ends solid construction of support, the one end is convenient for process can dismantle the connection structure who is connected with lens frame 21, and the other end aggravates to the balancing unit center to can polish the processing, the device levels after being convenient for folding, does benefit to and accomodates. In one embodiment, in order to increase the friction force of the handheld support 1 and facilitate a tester to hold the handheld support 1 to measure in a complex situation of a construction site, the handheld support 1 is provided with a silica gel anti-slip sticker 12. In one embodiment, to facilitate the detachable connection of the handheld holder 1 and the lens frame 21, one end of the handheld holder 1 is provided with a T-shaped groove 11, and the lens frame 21 is provided with a T-shaped block 26 which is matched with the T-shaped groove 11. When the lens frame 21 is installed, the T-shaped block 26 on the lens frame 21 is inserted into the T-shaped groove 11 of the handheld bracket 1 to complete the installation.
In one embodiment, the soil-supporting disk 3 has a protrusion at its peripheral edge facing the lens frame 21. When testing, the sand tiling is placed in the middle part of holding native dish 3, and the arch can be avoided the sand to drop all around from holding native dish 3. In one embodiment, the soil supporting plate 3 of the handheld bracket 1 is made of stainless steel.
The use process of the sand grain size rapid judging device is briefly described as follows:
firstly, detecting whether the sand grain size quick judgment device is available or not, then rotating a first connecting rod 4 to enable the first connecting rod to be perpendicular to a handheld support 1, then screwing a spiral tightening knob 6 on a rotating shaft between the first connecting rod 4 and the handheld support 1, and fixing the rotating shaft between the first connecting rod 4 and the handheld support 1 to prevent the rotating shaft from rotating;
step two, rotating the second connecting rod 5 to enable the limiting block 7 to be abutted against the first connecting rod 4 to ensure that the soil bearing disc 3 is parallel to the handheld support 1, then screwing a spiral tightening knob 6 on a rotating shaft between the second connecting rod 5 and the first connecting rod 4, and fixing the rotating shaft between the second connecting rod 5 and the first connecting rod 4 to prevent the rotating shaft from rotating;
thirdly, testing the size of the sandy soil particles by visual inspection, selecting observation devices 2 with different magnification factors, and installing the T-shaped block 26 on the lens frame 21 in the T-shaped groove 11 of the handheld support 1;
step four, holding the tested sandy soil by hand, and placing the tested sandy soil beside the standard scale mark 24 for photographing and sample reservation;
placing the tested sandy soil in the soil bearing disc 3 and paving the tested sandy soil;
observing the tested sandy soil through the observation device 2, observing the tested sandy soil by utilizing the first amplification scale mark 23 on the amplification lens 22 and the second amplification scale mark 25 on the lens frame 21, determining and recording the grain size of the tested sandy soil, and photographing for sample reservation;
and seventhly, determining the type of the sandy soil according to the national standard geotechnical engineering investigation range GB50021-2001(2009 edition).
Compared with the prior art, the utility model has the beneficial effects that:
(1) the sandy soil is placed in the soil bearing disc 3, the amplification function of the amplification lens 22 and the standard scale mark 24, the first amplification scale mark 23 and the second amplification scale mark 25 are simultaneously used for observation and measurement, the sandy soil particle size is obtained, and the sandy soil particle size judgment efficiency is improved;
(2) the observation device 2 with different magnification factors can be replaced, and is suitable for sandy soil with different particle sizes;
(3) can be folded and carried conveniently.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.
Claims (10)
1. The utility model provides a sand particle diameter rapid judgement device, its characterized in that, includes handheld support, handheld support is furnished with the observation device of different magnification, each observation device demountable installation is in the one end of handheld support when using, observation device is including being used for demountable installation lens frame on handheld support, be equipped with the magnifying glass piece in the lens frame, magnifying glass piece surface and being equipped with first scale mark that enlargies, be equipped with standard scale mark and second on lens frame's the relative two frames respectively and enlarge the scale mark, install through slewing mechanism on the handheld support and hold the soil dish, hold the soil dish and can rotate the below of magnifying the lens, and with lens frame is parallel.
2. The device for rapidly determining the particle size of sandy soil according to claim 1, wherein the rotating mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected with the side surface of the handheld bracket through a first rotating shaft, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod through a second rotating shaft, the other end of the second connecting rod is fixedly connected with the soil bearing disc, and one end of each of the first rotating shaft and the second rotating shaft is provided with a spiral tightening knob for preventing the first rotating shaft and the second rotating shaft from rotating.
3. The device for rapidly judging the particle size of sandy soil according to claim 2, wherein a limiting block is vertically arranged on the second connecting rod, and when the soil bearing disc rotates to be parallel to the lens frame, the limiting block abuts against the first connecting rod.
4. The device for rapidly judging the particle size of sandy soil according to claim 1, wherein the handheld support is cylindrical, hollow inside and solid at both ends.
5. The device for rapidly judging the particle size of sandy soil according to claim 4, wherein a T-shaped groove is formed at one end of the handheld support, and a T-shaped block matched with the T-shaped groove is arranged on the lens frame.
6. The device for rapidly judging the particle size of sandy soil according to claim 4, wherein the hand-held bracket and the soil bearing disc are both made of stainless steel.
7. The device for rapidly judging the particle size of sandy soil according to claim 1, wherein a silica gel anti-slip patch is arranged on the handheld support.
8. The device for rapidly judging the particle size of sandy soil according to claim 1, wherein the magnifying lens is a fresnel lens.
9. The device for rapidly judging the particle size of sandy soil according to claim 1, wherein the first enlarged scale line has a cross shape.
10. The device for rapidly judging the particle size of sandy soil according to claim 1, wherein a projection is provided on a peripheral edge of a side of the soil bearing disk facing the lens frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121290729.9U CN215339408U (en) | 2021-06-09 | 2021-06-09 | Quick judgement device of sand particle diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121290729.9U CN215339408U (en) | 2021-06-09 | 2021-06-09 | Quick judgement device of sand particle diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339408U true CN215339408U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121290729.9U Active CN215339408U (en) | 2021-06-09 | 2021-06-09 | Quick judgement device of sand particle diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339408U (en) |
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2021
- 2021-06-09 CN CN202121290729.9U patent/CN215339408U/en active Active
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