CN216525800U - Building sand moisture content measuring device - Google Patents
Building sand moisture content measuring device Download PDFInfo
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- CN216525800U CN216525800U CN202122743883.3U CN202122743883U CN216525800U CN 216525800 U CN216525800 U CN 216525800U CN 202122743883 U CN202122743883 U CN 202122743883U CN 216525800 U CN216525800 U CN 216525800U
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Abstract
The utility model discloses a device for measuring moisture content of building sand, which belongs to the technical field of detection equipment and is characterized in that: comprises a cylinder part and a measuring mechanism; the barrel part comprises a barrel body and a barrel cover, the barrel cover is buckled at the upper end of the barrel body, and a liquid inlet hole is arranged on the barrel cover; the measuring mechanism is arranged on the cylinder body and comprises a liquid guide pipe and a measuring cylinder, the liquid guide pipe is communicated with the inner cavity of the cylinder body, and the lower end of the liquid guide pipe is connected with the measuring cylinder. Compared with the prior art have need not through heating drying, reach the characteristics of measuring the grit moisture content.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a device for measuring water content of building sand.
Background
The sand is an important component of the concrete, and the strength of the concrete is influenced most by the water cement ratio, namely the ratio of the moisture to the cement, so that the content of the moisture influences the strength of the concrete most. The water content of the sand is greatly influenced by the environment, and the strength of the concrete is directly determined, so that the water content of the sand needs to be measured frequently in a construction site.
The existing moisture tester converts moisture into vapor through heating and discharges the vapor, so that the moisture content is detected by weighing and detecting the building sand. In the moisture meter, if the heating and drying time of the meter cannot be accurately grasped during measurement, sand may not be sufficiently heated and dried, which may affect measurement data. If the heating time is too long, the service life of the moisture meter is affected.
Disclosure of Invention
The utility model aims to provide a device for measuring the water content of the building sand, aiming at overcoming the defects in the prior art, and achieving the purpose of measuring the water content of the sand without heating and drying.
The utility model provides a building sand moisture content measuring device, which is characterized in that: comprises a cylinder part and a measuring mechanism; the barrel part comprises a barrel body and a barrel cover, the barrel cover is buckled at the upper end of the barrel body, and a liquid inlet hole is arranged on the barrel cover; the measuring mechanism is arranged on the cylinder body and comprises a liquid guide pipe and a measuring cylinder, the liquid guide pipe is communicated with the inner cavity of the cylinder body, and the lower end of the liquid guide pipe is connected with the measuring cylinder.
The liquid inlet hole of the cylinder cover is internally provided with a liquid inlet pipe, the upper end of the liquid inlet pipe is connected with the electromagnetic valve, and the lower end of the liquid inlet pipe extends into the inner cavity of the cylinder body.
And a liquid level sensor is arranged on the barrel cover, extends into the inner cavity of the barrel body, and is connected with the electromagnetic valve and the power supply on the liquid inlet pipe sequentially through a circuit.
The stirring mechanism is installed on the drum cover and comprises a motor, a stirring shaft and a stirring wheel, a through hole is formed in the center of the drum cover, a motor shaft of the motor penetrates through the center through hole of the drum cover and is connected with the stirring shaft through a coupler, and the lower end of the stirring shaft is connected with the stirring wheel.
A feed inlet is arranged on the barrel cover, and a material guide hopper is arranged at the position of the feed inlet.
The joint of the liquid guide pipe and the cylinder body is provided with a valve.
The measuring cylinder is made of transparent material, and the wall of the measuring cylinder is marked with scale marks.
Compared with the prior art, the utility model has the following outstanding beneficial effects:
1. the utility model is distinguished from devices which measure by thermal drying by measuring a sub-volume of water-containing sand by the formula a% = (V)SandρWater (W)ρSand-ρWater (W)MSand）/（ρSandMSand-VSandρWater (W)ρSand) The water content of the sand is calculated, heating is not needed, the water in the sand is evaporated to dryness and then is measured, the measuring time is shortened, and the method is quicker;
2. the sand mixer is provided with the stirring mechanism, and the stirring mechanism can fully mix the sand and water in the cylinder in the process of pouring the sand into the cylinder, so that the phenomenon that the measuring result is influenced because the air holes arranged in the stirring mechanism cannot be discharged is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
The utility model is further described with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the present invention includes a barrel portion 2, a stirring mechanism 1, and a measuring mechanism 3.
The stirring mechanism 1 is installed on the cylinder cover 201, the stirring mechanism 1 comprises a motor 101, a stirring shaft 102 and a stirring wheel 103, a through hole is formed in the center of the cylinder cover 201, the motor 101 is fixedly installed on the cylinder cover 201, a motor shaft of the motor 101 penetrates through the center through hole of the cylinder cover 201 and is connected with the stirring shaft 102 through a coupler, the lower end of the stirring shaft 102 is fixedly connected with the stirring wheel 103, and the stirring shaft 102 and the stirring wheel 103 extend into an inner cavity of the cylinder 202.
The cylinder cover 201 is provided with a feeding hole, and a material guide hopper 204 is arranged at the position of the feeding hole, so that sand can be poured into the cylinder 202 conveniently.
The outer wall of the upper half part of the cylinder body 202 is provided with the measuring mechanism 3, the measuring mechanism 3 comprises a liquid guide pipe 301 and a measuring cylinder 302, the liquid guide pipe 301 is communicated with the inner cavity of the cylinder body 202, a valve is arranged at the joint of the liquid guide pipe 301 and the measuring cylinder 302, and the lower end of the liquid guide pipe 301 is connected with the measuring cylinder 302.
The measuring cylinder 302 is made of transparent material, and the wall of the measuring cylinder is carved with evenly distributed scale marks which can be used for displaying the moisture content of the sand.
Marking the total mass of the hydrated sand to be measured as MSandMarking the mass of water in the hydrated sand to be measured as MWater (W)Mass mark of pure sand is MSand-MWater (W)The total volume of the sand to be measured containing water is VSand，MWater (W)/ρWater (W)+（MSand-MWater (W)）/ρSand=VSandThen the water content mass M of the hydrous sand can be calculatedWater (W)=（VSandρWater (I)ρSand-ρWater (W)MSand）/（ρSand-ρWater (W)) And the water content of the sand is a% = MWater (W)/（MSand-MWater (W)) X 100%, i.e. a% = (V)SandρWater (W)ρSand-ρWater (W)MSand）/（ρSandMSand-VSandρWater (W)ρSand) Through the formula, the water content of the sand and the total mass mark M of the water-containing sand can be convertedSandAnd sand containing water in a total volume of VSandDue to the relationship between MSandCan be set to a fixed value, therefore, the water content a% follows VSandAnd changes accordingly.
The operation flow is as follows: when the utility model is used, water is injected into the cylinder 202 through the liquid inlet pipe 203, when the liquid level in the cylinder 202 reaches the position of the liquid level sensor 205, the electromagnetic valve is closed, so that the water is not injected into the cylinder 202 any more, at the moment, the liquid level in the cylinder 202 reaches the right lower end of the liquid guide pipe 301, so that the water in the cylinder 202 flows out through the liquid guide pipe 301 when the water is continuously injected into the cylinder 202. Then, sand is poured into the cylinder 202 through the feeding hole of the cylinder cover 201, the stirring mechanism 1 is started in the process of pouring the sand, the stirring wheel 103 of the stirring mechanism 1 is rotated, the sand is continuously stirred in the process of pouring the sand, the sand is fully mixed with the water in the cylinder 202, after the sand is completely poured into the cylinder 202, the stirring mechanism 1 is closed, the sand in the cylinder 202 is waited to be statically sunk into the bottom of the cylinder 202, a valve is opened, the overflowed water flows into the measuring cylinder 302 through the liquid guide pipe 301, and the moisture content of the sand is measured according to the scale of the measuring cylinder 302.
It should be noted that while the utility model has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a sand moisture content survey device for building which characterized in that: comprises a cylinder part (2) and a measuring mechanism (3); the cylinder part (2) comprises a cylinder body (202) and a cylinder cover (201), the cylinder cover (201) is buckled at the upper end of the cylinder body (202), and a liquid inlet hole is formed in the cylinder cover (201); the measuring device is characterized in that the measuring mechanism (3) is installed on the barrel body (202), the measuring mechanism (3) comprises a liquid guide pipe (301) and a measuring barrel (302), the liquid guide pipe (301) is communicated with the inner cavity of the barrel body (202), and the lower end of the liquid guide pipe (301) is connected with the measuring barrel (302).
2. The apparatus for measuring moisture content of construction sand according to claim 1, wherein: the liquid inlet hole of cover (201) in install feed liquor pipe (203), the upper end and the solenoid valve of feed liquor pipe (203) are connected, the lower extreme stretches into in the inner chamber of barrel (202).
3. The apparatus for measuring moisture content of construction sand according to claim 2, wherein: the liquid level sensor (205) is installed on the barrel cover (201), the liquid level sensor (205) extends into the inner cavity of the barrel body (202), and the liquid level sensor (205) is connected with the electromagnetic valve on the liquid inlet pipe (203) and the power supply sequentially through a circuit.
4. The apparatus for measuring moisture content of construction sand according to claim 1, wherein: the stirring mechanism (1) is installed on the barrel cover (201), the stirring mechanism (1) comprises a motor (101), a stirring shaft (102) and a stirring wheel (103), a through hole is formed in the center of the barrel cover (201), a motor shaft of the motor (101) penetrates through the center through hole of the barrel cover (201) and is connected with the stirring shaft (102) through a coupler, and the lower end of the stirring shaft (102) is connected with the stirring wheel (103).
5. The apparatus for measuring moisture content of construction sand according to claim 1, wherein: the cylinder cover (201) is provided with a feed inlet, and a material guide hopper (204) is arranged at the position of the feed inlet.
6. The apparatus for measuring moisture content of construction sand according to claim 1, wherein: a valve is arranged at the joint of the liquid guide pipe (301) and the barrel body (202).
7. The apparatus for measuring moisture content of construction sand according to claim 1, wherein: the measuring cylinder (302) is made of transparent material, and scale marks are marked on the wall of the measuring cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743883.3U CN216525800U (en) | 2021-11-10 | 2021-11-10 | Building sand moisture content measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743883.3U CN216525800U (en) | 2021-11-10 | 2021-11-10 | Building sand moisture content measuring device |
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| CN216525800U true CN216525800U (en) | 2022-05-13 |
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| CN202122743883.3U Active CN216525800U (en) | 2021-11-10 | 2021-11-10 | Building sand moisture content measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032108A (en) * | 2022-08-04 | 2022-09-09 | 徐州徐工基础工程机械有限公司 | Mud sand content detection device and method and engineering machinery |
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2021
- 2021-11-10 CN CN202122743883.3U patent/CN216525800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032108A (en) * | 2022-08-04 | 2022-09-09 | 徐州徐工基础工程机械有限公司 | Mud sand content detection device and method and engineering machinery |
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