CN214749243U - Sandy soil consolidation sample preparation instrument - Google Patents
Sandy soil consolidation sample preparation instrument Download PDFInfo
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- CN214749243U CN214749243U CN202120062799.2U CN202120062799U CN214749243U CN 214749243 U CN214749243 U CN 214749243U CN 202120062799 U CN202120062799 U CN 202120062799U CN 214749243 U CN214749243 U CN 214749243U
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- blanking pipe
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- blanking
- sandy soil
- pipe
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a sandy soil consolidation sample preparation instrument which is fixed on a cutting ring of a consolidation instrument base and comprises a blanking device, a fixing device and a leveling device; the blanking device comprises a blanking pipe and a plurality of nozzles, and the nozzles are fixed at the lower end of the blanking pipe and are communicated with the blanking pipe; the fixing device comprises a fixing sleeve, a cover plate and a limiting snap ring, the cover plate is sleeved on the cutting ring, the bottom of the fixing sleeve is fixedly arranged in the middle of the cover plate, a through hole matched with the blanking pipe is formed in the center of the top of the fixing sleeve and the center of the cover plate, the blanking pipe is arranged in the through hole, and the limiting snap ring is arranged on the part, extending out of the fixing sleeve, of the blanking pipe so as to limit the position of the blanking pipe; the flattening device is fixedly arranged at the bottom end of the discharging pipe and is perpendicular to the discharging pipe, and the flattening device can flatten a sample in the cutting ring. The utility model discloses simple structure, it is easy and simple to handle, the sample granule that obtains distributes evenly, the sand soil sample of the specific closely knit degree of preparation that can be convenient.
Description
Technical Field
The utility model belongs to soil mechanics test instrument equipment field mainly relates to a sandy soil concreties sample preparation instrument.
Background
Sandy soil refers to soil containing a large amount of sand grains and having a certain viscosity. After compaction, the water stability is good, the strength is higher, and the capillary action is small. In order to research the compression characteristics of sandy soil, a sandy soil consolidation test needs to be carried out by a consolidator, but no standardized method and suitable instrument and equipment exist at present for how to prepare a sandy soil sample with specific compactness and uniformity. In the prior art, the consolidation test of soil is generally carried out by pouring all samples into a consolidation apparatus, tamping the samples by using columns and then scraping the samples by using a scraper. However, this method results in a sample with a less uniform particle distribution and density, and it is difficult to control the density of the sample during the tamping process and to obtain a sample with a specific density.
SUMMERY OF THE UTILITY MODEL
To the technical defect, the utility model provides a sandy soil concreties sample preparation instrument, its simple structure, it is easy and simple to handle, the sample granule that obtains distributes evenly, the sandy soil sample of the specific closely knit degree of preparation that can be convenient.
In order to achieve the above object, the present invention provides a preparation apparatus, which is implemented by the following technical solutions:
a sandy soil consolidation sample preparation instrument comprises a blanking device, a fixing device and a leveling device; the blanking device comprises a blanking pipe and a plurality of nozzles, and the nozzles are fixed at the lower end of the blanking pipe and are communicated with the blanking pipe; the fixing device comprises a fixing sleeve, a cover plate and a limiting snap ring, the cover plate is sleeved on the top of the cutting ring, the bottom of the fixing sleeve is fixedly arranged in the middle of the cover plate, a through hole matched with the blanking pipe is formed in the central position of the top of the fixing sleeve and the central position of the cover plate, the blanking pipe is arranged in the through hole, and the limiting snap ring is arranged on the part, extending out of the fixing sleeve, of the blanking pipe so as to limit the position of the blanking pipe; the leveling device is fixedly arranged at the bottom end of the discharging pipe and is perpendicular to the discharging pipe.
Compared with the prior art, the utility model provides a sample preparation instrument installs on the cutting ring of consolidation apparatus base, adds the cutting ring with the sand sample through the unloading pipe in, levels the device and flattens the sand, through the position of fixing device restriction unloading pipe, adjusts the closely knit degree of sand sample, and repeated interpolation sample can make even and have the sand sample of specific closely knit degree.
Further, the leveling device comprises a plurality of scraping strips and fan-shaped pressing plates, the fan-shaped pressing plates are fixedly arranged at the bottom end of the discharging pipe, the fan-shaped pressing plates are arranged around the circumference of the discharging pipe and are located on the same plane and parallel to the bottom surface of the cutting ring, the nozzle is arranged between the two fan-shaped pressing plates, and the scraping strips are fixed on any radius edge of the fan-shaped pressing plates. The sand and soil sample scraper is characterized in that a plurality of fan-shaped pressing plates and scraping strips are fixed at the bottom of the discharging pipe, the fan-shaped pressing plates and the scraping strips are parallel to the bottom surface of the cutting ring, the nozzle is fixed between the two fan-shaped pressing plates, the cutting ring can be smoothly scattered by the sand and soil sample, the sand and soil sample falls into the cutting ring through the discharging pipe and the nozzle when falling into the cutting ring, the discharging pipe is rotated, the surface of the sand and soil sample can be smoothed by the scraping strips, and then the sand and soil sample with certain compactness is obtained by pressing through the fan-shaped pressing plates.
Further, the leveling device further comprises two handles, and the two handles are fixed on two opposite sides of the top end of the blanking pipe. The effect of leveling the device is to smooth the compaction sand sample, rotates the unloading pipe through the hand to it is rotatory to drive the scraping strip and fan-shaped clamp plate, and nevertheless the unloading pipe stretches out fixing device's part is limited, makes operating personnel not exert force well on the unloading pipe, for this reason, is fixed with the handle in the relative both sides in unloading pipe top, through rotating the handle, drives the unloading rotation of tubes, thereby realizes smoothing the compaction to the sand sample.
Furthermore, a graduated scale is arranged on the part, extending out of the fixed sleeve, of the blanking pipe. The part of stretching out the handle at unloading pipe from fixed sleeving sets up the scale, adjusts spacing snap ring to relevant position according to the closely knit degree of needs, and the restriction unloading pipe moves down, then rotates the handle, and the compaction sandy soil sample obtains even and has the sandy soil sample of specific closely knit degree.
Furthermore, a rolling shaft is arranged on the edge of the through hole, and the blanking pipe is connected with the fixed sleeve and the cover plate in a rolling manner through the rolling shaft. The part of the through hole, which is contacted with the blanking pipe, is provided with a rolling shaft, the blanking pipe is connected with the fixed sleeve and the rolling shaft on the cover plate in a rolling way, and the blanking pipe can move up and down and can be adjusted in position in a rotating way.
Further, the nozzle lengths are different, the nozzle openings are aligned with the cutting ring plane, and the nozzle openings are not in the same circumference. The length of the nozzle is different, and fixed at the unloading pipe lower extreme, and each nozzle opening is different towards the position of cutting ring, and when the unloading pipe rotated the rotation of drive nozzle, the sand sample can spill into each position in the cutting ring thereupon, convenient follow-up operation of flattening.
Further, the cover plate is a transparent cover plate. The cover plate is used for supporting and limiting the positions of the fixed sleeve and the blanking pipe, is transparent, and can be used for observing the sample condition inside the cutting ring and the nozzle blanking condition directly through the cover plate.
Drawings
Fig. 1 is a front view of a sandy soil consolidation sample preparation instrument of the present invention;
fig. 2 is a top view of the bottom of a feeding pipe in a sandy soil consolidation sample preparation instrument according to the present invention;
fig. 3 is a partially enlarged view of the area a in fig. 1.
Wherein, description of the drawings, 1-base; 11-cutting ring; 2-a blanking pipe; 21-a feed opening; 3-a nozzle; 4-cover plate; 5-fixing the sleeve; 6-a roller; 7-a limit snap ring; 8-a handle; 9-a fan-shaped pressing plate; 10-scraping strip; 12-a graduated scale; 13-quartering points of the radius of the cutting ring; 14-nozzle dusting path.
Detailed Description
In order to make the objects and technical solutions of the present invention more clearly apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
Please refer to fig. 1, the utility model provides a sandy soil consolidation sample preparation instrument, it is installed on the cutting ring 11 of consolidation apparatus base, including unloader, fixing device and leveling device, fixing device including with 11 size assorted apron 4 of cutting ring to overlap on the cutting ring through apron 4, unloader runs through fixing device and stretches into in cutting ring 11, and leveling device installs in the unloader bottom, spills into cutting ring 11 when the sample from unloader in, leveling device flattens the sample, adjusts the closely knit degree of sandy soil sample, obtains evenly and has the sandy soil sample of specific closely knit degree.
The blanking device comprises a blanking pipe 2 and four nozzles 3, wherein the top of the blanking pipe 2 is provided with a blanking port 21, the bottom of the blanking pipe is sealed, the nozzles 3 are fixed at the axial position of the outer surface of the lower end of the blanking pipe 2 and are communicated with the blanking pipe 2, and each nozzle 3 is distributed at equal intervals; the length of each nozzle 3 is different, in the present embodiment, in the plane of the cutting ring 11, the openings of the four nozzles 3 are respectively located at the midpoint of the circle center of the cutting ring and the first quartering point, the midpoint of the connecting line of the second quartering point and the third quartering point, and the midpoint of the third quartering point and the circumference, as shown in fig. 2; along with the rotation of the blanking pipe 2, the sandy soil sample enters the blanking pipe 2 from the blanking port 21 and falls from the nozzle 3 to a designated area in the cutting ring 11, and the scattering area is a nozzle scattering path 14.
The fixing device comprises a cover plate 4, a fixing sleeve 5 and a limiting snap ring 6, wherein the cover plate 4 is matched with the cutting ring 11 in size and is sleeved on the top of the cutting ring 11, the fixing sleeve 5 is a pipeline with a closed top and is arranged above the cover plate, the bottom of the fixing sleeve is fixedly connected with the center of the cover plate 4, a through hole matched with the radius of the blanking pipe 2 is formed in the center area of the connecting part of the center of the top of the fixing sleeve 5, the cover plate 4 and the fixing sleeve 5, and the blanking pipe 2 penetrates through the fixing sleeve 5 and the cover plate 4 from the through hole to enter the cutting ring 11; a roller 6 is arranged at the contact part of the through hole and the blanking pipe 2, namely, the blanking pipe 2 is in rolling connection with the fixed sleeve 5 and the cover plate 4 through the roller 6, and the blanking pipe 2 can move up and down and rotate to adjust the position; the limiting snap ring 7 is clamped at any position of the extending part of the discharging pipe 2 from the top of the fixed sleeve 5, and when the discharging pipe 2 moves up and down, the position of the limiting snap ring 7 is adjusted to limit the discharging pipe 2.
Wherein, install scale 12 on the outer pipe wall of the portion of extending out of fixed sleeve 5 top at unloading pipe 2, as shown in fig. 3, set up the position of spacing snap ring 7 as required, restrict the moving down of unloading pipe 2, lower the sand soil sample, accomplish the preparation of consolidation sample.
The leveling device comprises a plurality of fan-shaped pressing plates 9 and scraping strips 10, as shown in fig. 2, the fan-shaped pressing plates 9 are fixed at the bottom of the blanking pipe 2, distributed between the two nozzles 3, distributed around the circumference of the bottom end of the blanking pipe 2 and arranged perpendicular to the blanking pipe 2, namely parallel to the bottom surface of the cutting ring 11; scraping strip 10 is fixed on any radius edge of fan-shaped clamp plate 9, and the arch is towards 11 bottom surfaces of cutting ring, and when a certain amount of sand sample spilled into cutting ring 11 in through nozzle 3, rotate unloading pipe 2, it is rotatory to drive scraping strip 10, strickles off the sand sample surface to press the sand sample through fan-shaped clamp plate 9, obtain the comparatively even and better consolidation sample of closely knit degree of particle distribution.
In the process of leveling the sandy soil sample in the cutting ring 11, an operator needs to stretch out a fixed sleeve part of the blanking pipe 2 to apply force, so that the blanking pipe 2 is driven to rotate, but the size of the blanking pipe 2 is not large, the stress part of the blanking pipe is limited, and the operator is difficult to spread.
In addition, in order to observe the internal sample condition in the process of scattering the sand sample into the ring cutter, the cover plate 4 can adopt a transparent cover plate, and the sample condition inside the ring cutter 11 and the blanking condition of the nozzle 3 can be observed directly through the cover plate 4.
It should be noted that, according to practical situations, the number of the nozzles 3 and the fan-shaped pressing plates 9 in the present invention can be adjusted according to requirements, and the installation positions thereof can be adjusted accordingly, as long as there is no conflict or contradiction in the combination between the features, but the present invention is not limited to space and will not be described one by one.
The use process of the device is as follows:
firstly, a sandy soil sample is added into a blanking pipe 2 from a blanking port 21, a handle 8 is rotated to rotate the blanking pipe 2, the sandy soil sample is uniformly scattered into a cutting ring 11, the sample scattering condition in the cutting ring 11 is observed through a cover plate 4, the position of a limiting snap ring 7 is adjusted, the limiting snap ring 7 is positioned at the top of a fixed sleeve 5 to prevent the blanking pipe 2 from further moving downwards, then the handle 8 is rotated to scrape and compact the sandy soil sample in the cutting ring 11, and the uniform sandy soil sample with specific compactness is obtained.
To sum up, the utility model provides a sandy soil concreties sample preparation instrument adds the sandy soil sample to cutting ring 11 through unloading pipe 2, levels the device and flattens the sandy soil, through the position of fixing device restriction unloading pipe to the closely knit degree of adjustment sandy soil sample, the preparation is even and has the sandy soil sample of specific closely knit degree.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.
Claims (7)
1. A sandy soil consolidation sample preparation instrument is characterized in that the instrument is arranged on a cutting ring of a consolidation instrument base and comprises a blanking device, a fixing device and a leveling device; the blanking device comprises a blanking pipe and a plurality of nozzles, and the nozzles are fixed at the lower end of the blanking pipe and are communicated with the blanking pipe; the fixing device comprises a fixing sleeve, a cover plate and a limiting snap ring, the cover plate is sleeved on the cutting ring, the bottom of the fixing sleeve is fixedly arranged in the middle of the cover plate, a through hole matched with the blanking pipe is formed in the center of the top of the fixing sleeve and the center of the cover plate, the blanking pipe is arranged in the through hole, and the limiting snap ring is arranged on the part, extending out of the fixing sleeve, of the blanking pipe so as to limit the position of the blanking pipe; the leveling device is fixedly arranged at the bottom end of the discharging pipe and is perpendicular to the discharging pipe.
2. The sandy soil consolidation sample preparation instrument according to claim 1, wherein the leveling device comprises a plurality of scraping strips and fan-shaped pressing plates, the fan-shaped pressing plates are fixedly arranged at the bottom end of the blanking pipe, the fan-shaped pressing plates are arranged around the circumference of the blanking pipe and are positioned on the same plane and are parallel to the bottom surface of the cutting ring, the nozzle is arranged between every two adjacent fan-shaped pressing plates, and the scraping strips are fixed on any radius edge of the fan-shaped pressing plates.
3. The sandy soil consolidation sample preparation instrument of claim 2, wherein the flattening device further comprises two handles secured to opposite sides of the top end of the down tube.
4. The sandy soil consolidation specimen preparation apparatus of claim 1, wherein the portion of the feed tube extending beyond the fixed cannula is provided with a graduated scale.
5. The sandy soil consolidation sample preparation instrument according to claim 1, wherein a roller is provided on the edge of the through hole, and the blanking tube is connected with the fixed sleeve and the cover plate in a rolling manner through the roller.
6. The sandy soil consolidation sample preparation apparatus of claim 1, wherein the nozzles are of different lengths, the nozzle openings are aligned with the plane of the cutting ring, and the nozzle openings are not located on the same circumference.
7. The sandy soil consolidation sample preparation apparatus of claim 1, wherein the cover plate is a transparent cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062799.2U CN214749243U (en) | 2021-01-11 | 2021-01-11 | Sandy soil consolidation sample preparation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062799.2U CN214749243U (en) | 2021-01-11 | 2021-01-11 | Sandy soil consolidation sample preparation instrument |
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| Publication Number | Publication Date |
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| CN214749243U true CN214749243U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120062799.2U Active CN214749243U (en) | 2021-01-11 | 2021-01-11 | Sandy soil consolidation sample preparation instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367920A (en) * | 2023-12-08 | 2024-01-09 | 山东尚远路桥工程机械有限公司 | Frozen soil consolidation experiment testing device and testing method |
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2021
- 2021-01-11 CN CN202120062799.2U patent/CN214749243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367920A (en) * | 2023-12-08 | 2024-01-09 | 山东尚远路桥工程机械有限公司 | Frozen soil consolidation experiment testing device and testing method |
| CN117367920B (en) * | 2023-12-08 | 2024-02-09 | 山东尚远路桥工程机械有限公司 | Frozen soil consolidation experiment testing device and testing method |
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