CN215767922U - Small-size liquid plastic limit joint measurement method sample preparation device - Google Patents
Small-size liquid plastic limit joint measurement method sample preparation device Download PDFInfo
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- CN215767922U CN215767922U CN202122066607.8U CN202122066607U CN215767922U CN 215767922 U CN215767922 U CN 215767922U CN 202122066607 U CN202122066607 U CN 202122066607U CN 215767922 U CN215767922 U CN 215767922U
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Abstract
The utility model discloses a small-sized liquid plastic limit combined determination method sample preparation device, which belongs to the technical field of geotechnical test equipment and comprises a main body base, a cover plate and a lifting device, wherein a driving gear connected with a small-sized motor and a driven gear connected with a rotating main shaft are arranged in the cover plate, the rotating main shaft is provided with a switch valve, a flowmeter, a sealing cover, a limit block and a stirring blade, the rotating main shaft is coaxially arranged with a soil containing vessel and the limit base, a water conveying channel and a water spraying opening are also arranged in the rotating main shaft, and the water spraying opening is provided with a nozzle.
Description
Technical Field
The utility model relates to the technical field of geotechnical test equipment, in particular to a small-sized liquid-plastic limit combined determination method sample preparation device.
Background
The liquid plastic limit is an important index of geotechnical tests and is an important basis for determining the state of soil and dividing the category of soil, and the method commonly adopted in the laboratory for determining the liquid plastic limit of soil at present is a liquid plastic limit combined determination method. Standing for a day and a night, finally stirring the soil sample uniformly by using the soil adjusting knife again, and compactly filling the soil sample into the sample cup for determination. The method has simple principle and accurate measurement result, but also exposes a plurality of problems.
1. The test personnel need to spend a lot of time and energy to prepare the sample, and the process of crushing, sieving, adding water and stirring evenly by hand of sample consumes a lot of physical power of test personnel and efficiency is very low.
2. The samples prepared by manual stirring have poor uniformity and often have some aggregates, which affect the accuracy of the final test results.
In order to solve a series of problems faced by the liquid plastic limit test, a small-sized liquid plastic limit combined measurement sample preparation device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art and provides a small-sized liquid plastic limit combined measurement method sample preparation device for efficiently preparing uniform samples.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a small-sized liquid-plastic limit combined determination method sample preparation device comprises a main body base 1 and a cover plate 2, wherein the main body base 1 is L-shaped, a lifting device 3 is embedded in the transverse part of the main body base 1 in the L-shaped, the telescopic end of the lifting device 3 is connected with a limit base 4, a soil containing vessel 5 is coaxially arranged in the limit base 4, the upper end surface of the longitudinal part of the main body base 1 in the L-shaped is hinged with the cover plate 2, a driving gear 6 and a driven gear 7 which are mutually meshed are arranged in the cover plate 2, the driving gear 6 is fixedly connected with a small-sized motor 8 arranged on the cover plate 2, the driven gear 7 is cooperatively connected with a rotating main shaft 9 which penetrates through the cover plate 2, the rotating main shaft 9 is coaxial with the limit base 4, a water injection interface 10 is arranged at the upper end of the rotating main shaft 9, and a sealing cover 11 is sleeved at the lower end of the rotating main shaft 9, the lower end of the rotating main shaft 9 is also provided with a stirring blade 12.
Preferably, a water delivery channel 13 is axially arranged inside the rotating main shaft 9, one end of the water delivery channel 13 is communicated with the water injection port 10, the other end of the water delivery channel is radially provided with a plurality of water spraying ports 14 along the rotating main shaft 9, the water spraying ports 14 are alternately arranged among gaps of the stirring blades 12, and the water spraying ports 14 are further provided with nozzles.
Preferably, the end of the rotating main shaft 9 close to the water filling interface 10 is provided with a switch valve 15 and a flow meter 16.
Preferably, the soil container 5 and the sealing cover 11 are respectively provided with an external thread and an internal thread which are matched with each other.
Preferably, a limit block 17 is arranged between the sealing cover 11 arranged on the rotating main shaft 9 and the stirring blade 12.
Preferably, the stirring blade 12 is provided with a plurality of through holes.
Preferably, the inner bottom surface of the limiting base 4 is provided with a limiting bump 18, and the limiting bump is matched with a limiting groove 19 arranged at the bottom of the soil containing vessel 5.
Preferably, the lifting device 3 may be an air cylinder or an oil cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. manual soil sample stirring is changed into a mode that a motor drives a rotating shaft to drive stirring blades to stir the soil sample in a stirring cylinder, manual work is changed into machine work, manpower is liberated, and efficiency is improved;
2. the stirring blades are provided with a plurality of through holes, so that the stirring is more sufficient, the soil sample is stirred more uniformly, and the accuracy of the test is improved;
3. the rotating shaft is provided with a plurality of water outlets, the water outlets are provided with nozzles, the nozzles spray water in the rotating process along with the main shaft, so that water is added more uniformly during stirring, and a flowmeter is arranged at a water filling port of the rotating main shaft, so that the water filling amount can be accurately controlled, and quantitative water inlet and soil distribution can be realized;
4. the sealing cover is screwed with the soil containing vessel to form a relatively closed space, so that water and soil samples can be prevented from splashing, and the sealing cover can be used as a moisture retainer after stirring is finished, so that the link of standing the samples for 24 hours can be well finished;
5. the axis of rotation is stainless steel, and is corrosion-resistant and intensity is high, can carry out high-pressure water injection clearance water injection passageway at the water filling port to can cooperate the rotation of main shaft to wash flourishing soil ware and stirring vane.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the entire structure of the present invention (a partial internal structure view).
Fig. 3 is a schematic view of the overall structure of the present invention (with the cover plate lifted).
Fig. 4 is a schematic structural view of the rotating spindle of the present invention.
Fig. 5 is a schematic structural view of the limiting base of the present invention.
FIG. 6 is a schematic view of the container of the present invention.
Fig. 7 is a schematic structural view of the sealing cover of the present invention.
In the figure: the device comprises a main body base 1, a cover plate 2, a lifting device 3, a limiting base 4, a soil containing vessel 5, a driving gear 6, a driven gear 7, a small motor 8, a rotating main shaft 9, a water injection port 10, a sealing cover 11, a stirring blade 12, a water delivery channel 13, a water spray port 14, a switch valve 15, a flowmeter 16, a limiting block 17, a limiting lug 18 and a limiting groove 19.
Detailed Description
A small-sized liquid-plastic limit combined determination method sample preparation device comprises a main body base 1 and a cover plate 2, wherein the main body base 1 is L-shaped, a lifting device 3 is embedded in the transverse part of the main body base 1 in the L-shaped, the telescopic end of the lifting device 3 is connected with a limit base 4, a soil containing vessel 5 is coaxially arranged in the limit base 4, the upper end surface of the longitudinal part of the main body base 1 in the L-shaped is hinged with the cover plate 2, a driving gear 6 and a driven gear 7 which are mutually meshed are arranged in the cover plate 2, the driving gear 6 is fixedly connected with a small-sized motor 8 arranged on the cover plate 2, the driven gear 7 is cooperatively connected with a rotating main shaft 9 which penetrates through the cover plate 2, the rotating main shaft 9 is coaxial with the limit base 4, a water injection interface 10 is arranged at the upper end of the rotating main shaft 9, and a sealing cover 11 is sleeved at the lower end of the rotating main shaft 9, the lower end of the rotating main shaft 9 is also provided with a stirring blade 12.
Preferably, a water delivery channel 13 is axially arranged inside the rotating main shaft 9, one end of the water delivery channel 13 is communicated with the water injection port 10, the other end of the water delivery channel is radially provided with a plurality of water spraying ports 14 along the rotating main shaft 9, the water spraying ports 14 are alternately arranged among gaps of the stirring blades 12, and the water spraying ports 14 are further provided with nozzles.
Wherein, one end of the rotating main shaft 9 close to the water filling interface 10 is provided with a switch valve 15 and a flow meter 16.
Wherein, the soil containing vessel 5 and the sealing cover 11 are respectively provided with an external thread and an internal thread which are matched with each other.
A limit block 17 is arranged between a sealing cover 11 arranged on the rotating main shaft 9 and the stirring blade 12.
Wherein, a plurality of through holes are arranged on the stirring blade 12.
The inner bottom surface of the limiting base 4 is provided with a limiting lug 18, and the limiting lug is matched with a limiting groove 19 arranged at the bottom of the soil containing vessel 5.
The lifting device 3 may be an air cylinder or an oil hydraulic cylinder.
The working principle of the small-sized liquid-plastic limit combined determination method sample preparation device is as follows:
when the stirring device is used, the soil containing vessel with the soil sample is placed in the limiting base, and the limiting groove on the soil containing vessel is matched with the limiting lug in the limiting base, so that the soil containing vessel cannot rotate in the stirring process; controlling the lifting device to rise to enable the stirring blade to extend into a proper position in the soil containing vessel; the sealing cover is coaxially sleeved on the rotating main shaft, and the diameter of a central hole of the sealing cover is slightly larger than that of the rotating main shaft, so that the position of the sealing cover can be axially adjusted along the rotating main shaft; screwing the sealing cover onto the soil containing vessel, starting a small motor to drive a rotary main shaft to drive a stirring blade to stir, starting water injection from a water injection port, and continuously paying attention to the reading of a flowmeter of the water injection port; because the sealing cover is screwed with the soil containing vessel to form a relatively closed space, water and soil samples can be prevented from splashing; the limiting block is arranged on the rotating main shaft, can limit the position of the sealing cover and prevent the sealing cover from colliding with the rotating blade, is arranged between the sealing cover and the stirring blade, can further prevent water and soil from splashing, and stops water injection when the water injection amount is about to reach the preset water amount; and after stirring is finished, the motor is closed, the sealing cover and the soil containing vessel which are screwed together can be used as a humidor, the link of standing the sample for 24 hours is finished, then the motor is opened to stir the sample properly again, the lifting device is lowered after stirring is finished, and the soil containing vessel is taken out to measure the liquid plastic limit of the soil sample.
After the use, can stimulate the handle on the apron to lift up the apron, convenient clearance.
Compared with the prior art, the small-sized liquid-plastic limit combined determination method sample preparation device provided by the utility model has the advantages that the motor drives the rotating main shaft to drive the stirring blade to stir the soil sample, a plurality of water spraying ports arranged on the rotating main shaft uniformly add water in the rotating process along with the main shaft, and the stirring blade is provided with a plurality of through holes, so that the stirring is more sufficient; the soil containing vessel and the sealing cover which are screwed together can prevent water and soil samples from splashing out and can be used as a moisture retainer to finish the link of standing the samples for 24 hours, so that the efficiency and the accuracy of the test are greatly improved.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (8)
1. A small-size liquid plastic limit joint assay method sample preparation device, includes main part base and apron, its characterized in that: the main part base is the L type, the L type the main part base horizontal part is embedded to have elevating gear, the flexible end of elevating gear is connected with spacing base, coaxial flourishing soil ware of having put in the spacing base, the L type main part base longitudinal portion up end with the apron is articulated, be equipped with intermeshing's driving gear and driven gear in the apron, the driving gear is in with the setting small motor fixed connection on the apron, the driven gear cooperation is connected with and runs through the rotating main shaft of apron, rotating main shaft with spacing base is coaxial, the rotating main shaft upper end is equipped with the water injection interface, the pot head is equipped with sealed lid under the rotating main shaft, the rotating main shaft lower extreme still is provided with stirring vane.
2. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 1, wherein: the stirring blade is characterized in that a water delivery channel is axially arranged in the rotating main shaft, one end of the water delivery channel is communicated with the water injection port, a plurality of water spraying ports are radially arranged at the other end of the water delivery channel along the rotating main shaft, the water spraying ports are alternately arranged among the gaps of the stirring blades, and the water spraying ports are also provided with spray heads.
3. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 2, wherein: and one end of the rotating main shaft, which is close to the water injection interface, is provided with a switch valve and a flowmeter.
4. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 3, wherein: the soil containing vessel and the sealing cover are respectively provided with an external thread and an internal thread which are matched with each other.
5. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 4, wherein: and a limiting block is arranged between the sealing cover arranged on the rotating main shaft and the stirring blade.
6. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 5, wherein: a plurality of through holes are formed in the stirring blade.
7. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 6, wherein: the bottom surface of the inside of the limiting base is provided with a limiting lug, and the limiting lug is matched with a limiting groove formed in the bottom of the soil containing vessel.
8. The apparatus for preparing a small-sized liquid plastic limit combined assay sample according to claim 7, wherein: the lifting device can be an air cylinder or an oil hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066607.8U CN215767922U (en) | 2021-08-30 | 2021-08-30 | Small-size liquid plastic limit joint measurement method sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066607.8U CN215767922U (en) | 2021-08-30 | 2021-08-30 | Small-size liquid plastic limit joint measurement method sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767922U true CN215767922U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122066607.8U Active CN215767922U (en) | 2021-08-30 | 2021-08-30 | Small-size liquid plastic limit joint measurement method sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767922U (en) |
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2021
- 2021-08-30 CN CN202122066607.8U patent/CN215767922U/en active Active
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