CN216484464U - Dry water absorption testing arrangement of sand saturation face - Google Patents
Dry water absorption testing arrangement of sand saturation face Download PDFInfo
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- CN216484464U CN216484464U CN202122559013.0U CN202122559013U CN216484464U CN 216484464 U CN216484464 U CN 216484464U CN 202122559013 U CN202122559013 U CN 202122559013U CN 216484464 U CN216484464 U CN 216484464U
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Abstract
The utility model discloses a device for testing the dry water absorption of a sand saturated surface, which belongs to the field of civil engineering and comprises a rotary drum, a humidity sensor module, a drying module, a turning module, a base, a reminding module, a motor and a bracket, wherein the rotary drum is arranged on the base; the outer side of the rotary drum is fixedly connected with the base; the humidity sensor module is fixedly connected with one end of the top of the bracket; the drying module is fixedly connected with one end of the lower side of the top of the bracket; the turning module is fixedly connected with the other end of the lower side of the top of the bracket; the base is connected with the reminding module; the motor is arranged at the rear side of the rotary drum and is connected with the rotary drum; the bottom of the bracket is fixedly connected with the base; the problem of automatic stoving aggregate sample, whether intelligent judgement sand sample reaches the dry state of saturated face to the dry detection rate of sand saturated face has been promoted to this scheme.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, and particularly relates to a device for testing dry water absorption of a sand saturation surface.
Background
The dry water absorption of the sand saturation surface is an important reference parameter for evaluating the quality characteristics of concrete sand and the design of the mix proportion of the concrete, and means that the water content of the sand in a saturation surface dry state accounts for the mass percentage of the fine sand in a dry or saturation surface dry state. The saturated surface dry state is a state in which the pores of the sand particles, which are penetrated by water, are filled with water, but the surfaces of the particles have no free water.
The conventional method for measuring the dry water absorption of the sand saturation surface comprises a wet mark method and a mold testing method, wherein the mold testing method comprises the steps of filling sand into a test mold, lifting the test mold, and manually observing the sand accumulation shape so as to judge whether a sample reaches a saturation surface dry state; the wet mark method is that sand is put on a rubber plate and the sand is tapped to leave wet marks on the rubber plate, the disappearance time of the wet marks is observed manually, and whether the saturated surface dry state is achieved is judged according to the disappearance time.
Because the sand saturation surface dry state is a critical state, the judgment method depends on subjective observation of people, so that detection personnel are required to have rich test experience, otherwise, judgment is not easy and misjudgment is easy, and the error of the existing measurement method is larger. In addition, the sand saturated with water needs to be gradually dried in the detection process, a large amount of repeated operations are carried out in the drying process, the saturated surface dry state of the sand is searched, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the sand saturation surface dry water absorption testing device provided by the utility model solves the problems of automatically drying aggregate samples and intelligently judging whether the sand samples reach the saturation surface dry state, and improves the accuracy of sand saturation surface dry detection.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that:
the utility model provides a device for testing the dry water absorption of a sand saturation surface, which comprises a rotary drum, a humidity sensor module, a drying module, a turning module, a base, a reminding module, a motor and a bracket, wherein the rotary drum is arranged on the base;
the outer side of the rotary drum is connected with the base; the humidity sensor module is fixedly connected with one end of the top of the bracket; the drying module is fixedly connected with one end of the lower side of the top of the bracket; the turning module is fixedly connected with the other end of the lower side of the top of the bracket; the base is connected with the reminding module; the motor is arranged at the rear side of the rotary drum and is connected with the rotary drum; the bottom of the support is fixedly connected with the base.
The utility model has the beneficial effects that: the sand saturation surface dry water absorption testing device provided by the utility model can automatically dry an aggregate sample, intelligently judge whether the sample reaches a saturation surface dry state or not, greatly simplify the detection steps of the saturation surface dry water absorption, enable the judgment process of the sand saturation surface dry state to be intelligent and standardized, eliminate human factor errors, improve the detection accuracy, and solve the problem of data deviation caused by the fact that the saturation surface dry state is not easy to judge in the water absorption measurement process of the saturation surface dry.
Furthermore, the rotating shaft of the rotating drum is in the horizontal direction, and an opening is formed in the bottom surface of one side of the rotating drum.
The beneficial effect of adopting the further scheme is as follows: an opening is formed in the bottom surface of one side of the rotary drum and used for arranging sand for sand saturation surface dry detection.
Furthermore, the humidity sensor module, the drying module and the turning module are all arranged inside the rotary drum through supports.
The beneficial effect of adopting the further scheme is as follows: inside locating the rotary drum with humidity transducer module, stoving module and the module of turning, can the accurate wet trace of measuring the rotary drum inner wall, the energy stoving sand that make full use of stoving module produced avoids the energy extravagant, utilizes the module of turning to turn the sand in the rotary drum, makes its thermally equivalent dry.
Further, the humidity sensor module adopts one or more of a resistance-type humidity sensor, a capacitance-type humidity sensor, a reflection-type photoelectric sensor or a visual recognition device in any combination.
The beneficial effect of adopting the further scheme is as follows: can accurately detect the wet mark left by the sand on the inner wall of the rotary drum.
Further, the motor adopts a rotating motor to drive the rotating drum;
the turning module comprises a built-in small rotating motor or a built-in reciprocating motor, and a rotating rod or a telescopic rod corresponding to the rotating motor and the reciprocating motor respectively.
The beneficial effect of adopting the further scheme is as follows: the motor drives the rotary drum to rotate, the sand rolls at the bottom of the rotary drum under the action of the rotary drum and gravity, and the stirring module is driven by another small motor inside and stirs the sand at the bottom of the rotary drum through a telescopic rod or a rotary rod, so that the sand is uniformly stirred and detectable wet marks are left on the wall of the rotary drum.
Further, the drying module adopts one of a heating wire, a halogen lamp or an electric blower.
The beneficial effect of adopting the further scheme is as follows: the electric heating wire and the electric blower are used for drying and heating the sand in the rotary drum, so that the automatic drying function of the sand saturation surface dry water absorption testing device is realized.
Furthermore, the reminding module adopts one or more of a display screen, a light prompter and a prompt tone device to be combined randomly.
The beneficial effect of adopting the further scheme is as follows: whether the sand reaches the saturation face dry state or not is accurately prompted and broadcasted through one or more random combinations of a display screen, a light prompting device and a prompting sound device, so that the judging process of the saturation face dry state is intelligent and standardized, and human factor errors are eliminated.
Drawings
FIG. 1 is a schematic structural diagram of a sand saturation surface dry water absorption testing device in an embodiment of the utility model.
Fig. 2 is a schematic top view of the sand saturation surface dry water absorption testing apparatus according to the embodiment of the present invention.
Wherein: 1. a rotating drum; 2. a humidity sensor module; 3. a drying module; 4. turning over the module; 5. a base; 6. a reminding module; 7. a motor; 8. and (4) a bracket.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.
Example 1
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the present disclosure provides a device for testing a dry water absorption rate of a sand saturation surface, which includes a rotary drum 1, a humidity sensor module 2, a drying module 3, a turning module 4, a base 5, a reminding module 6, a motor 7, and a support 8;
the outer side of the rotary drum 1 is connected with a base 5; the humidity sensor module 2 is fixedly connected with one end of the top of the bracket 8; the drying module 3 is fixedly connected with one end of the lower side of the top of the bracket 8; the turning module 4 is fixedly connected with the other end of the lower side of the top of the bracket 8; the base 5 is connected with the reminding module 6; the motor 7 is arranged at the rear side of the rotary drum 1 and is connected with the rotary drum 1; the bottom of the bracket 8 is fixedly connected with the base 5.
The rotating shaft of the rotating drum 1 is in the horizontal direction, and an opening is formed in the bottom surface of one side of the rotating drum.
The humidity sensor module 2, the drying module 3 and the turning module 4 are all arranged inside the rotary drum 1 through a support 8.
The humidity sensor module 2 adopts one or more of a resistance-type humidity sensor, a capacitance-type humidity sensor, a reflection-type photoelectric sensor or a visual recognition device in any combination.
The motor 7 adopts a rotating motor to drive the rotating drum 1 to rotate;
the turning module 4 comprises a built-in small rotating motor or a built-in reciprocating motor, and a rotating rod or a telescopic rod corresponding to the rotating motor and the reciprocating motor respectively.
The drying module 3 adopts one of a heating wire, a halogen lamp or an electric blower.
The reminding module 6 adopts one or more arbitrary combinations of a display screen, a light prompter and a prompt tone device.
The utility model has the beneficial effects that:
the sand saturation surface dry water absorption testing device provided by the utility model can automatically dry an aggregate sample, intelligently judge whether the sample reaches a saturation surface dry state or not, greatly simplify the detection step of the saturation surface dry water absorption, enable the judgment process of the sand saturation surface dry state to be intelligent and standardized, eliminate human factor errors, improve the detection accuracy and solve the problem of data deviation caused by difficult judgment of the saturation surface dry state in the measurement process of the saturation surface dry water absorption.
The working principle of the utility model is as follows:
s1, putting the sand sample into a container, and adding clear water until the water surface is 2cm higher than the sand sample; soaking the sand sample in clear water for 24 hours;
s2, pouring out the excess water in the container, taking out the soaked sand sample, and loading the soaked sand sample into the bottom of the rotary drum from the opening of the rotary drum 1;
s3, starting the sand saturation surface dry water absorption testing device, driving the rotary drum 1 through the motor 7, turning the soaked sand sample through the turning module 4, drying the soaked sand sample through the drying module 3, and continuously detecting the wet mark on the inner wall of the rotary drum through the humidity sensor module 2;
the soaked sand sample slides at the bottom of the rotary drum under the action of the rotation of the rotary drum and the gravity of the rotary drum, and is gradually and uniformly dried under the action of the drying module 3 and the turning module 4, and the humidity sensor module 2 continuously measures wet marks left on the inner wall of the rotary drum by the soaked sand sample;
s4, after the humidity sensor module 2 detects that the humidity of the wet trace on the inner wall of the rotary drum reaches a preset value, the reminding module 6 is used for sending a prompt that the sand sample reaches a saturated surface dry state, the testing device is stopped to dry and rotate, sand is taken out of the rotary drum, and the saturated surface dry sand with the weight of G is obtained by weighing1；
S5, putting the saturated surface dry sand into an oven, drying to be absolute dry, and weighing again to obtain the mass G of the absolute dry sand2；
S6, calculating the dry sand on the saturation surfaceStandard sand saturation surface dry water absorption a1And a dry water absorption rate a of a sand saturated surface based on the absolute dry sand2。
The dry water absorption rate a of the saturated surface of the sand based on the dry sand of the saturated surface1The calculation expression of (a) is as follows:
the dry water absorption rate a of the sand saturated surface with the absolute dry sand as the reference2The calculation expression of (a) is as follows:
the detection method provided by the embodiment can realize intelligent judgment of whether the sample reaches the saturation surface dry state, can greatly simplify the step of detecting the water absorption rate of the saturation surface dry state, enables the judgment process of the sand saturation surface dry state to be intelligent and standardized, eliminates human factor errors, improves the detection accuracy, and solves the problem of data deviation caused by the fact that the saturation surface dry state is not easy to judge in the water absorption rate measurement process of the saturation surface dry state.
Claims (8)
1. A device for testing the dry water absorption of a sand saturated surface is characterized by comprising a rotary drum (1), a humidity sensor module (2), a drying module (3), a turning module (4), a base (5), a reminding module (6), a motor (7) and a support (8);
the outer side of the rotary drum (1) is connected with a base (5); the humidity sensor module (2) is fixedly connected with one end of the top of the bracket (8); the drying module (3) is fixedly connected with one end of the lower side of the top of the bracket (8); the turning module (4) is fixedly connected with the other end of the lower side of the top of the bracket (8); the base (5) is connected with the reminding module (6); the motor (7) is arranged on the rear side of the rotary drum (1) and is connected with the rotary drum (1); the bottom of the support (8) is fixedly connected with the base (5).
2. A sand saturation surface dry water absorption testing apparatus according to claim 1, wherein the rotation axis of the rotary drum (1) is in a horizontal direction, and one side bottom surface thereof is provided with an opening.
3. The sand saturation surface dry water absorption testing device according to claim 1, wherein the humidity sensor module (2), the drying module (3) and the turning module (4) are all arranged inside the rotary drum (1) through a bracket (8).
4. The sand saturation surface dry water absorption testing device according to claim 1, wherein the humidity sensor module (2) employs any combination of one or more of a resistive humidity sensor, a capacitive humidity sensor, a reflective photoelectric sensor, or a visual identification device.
5. The sand saturation surface dry water absorption testing device according to claim 1, characterized in that the motor (7) adopts a rotating motor to drive the rotating drum (1).
6. The sand saturation surface dry water absorption testing device according to claim 1, wherein the turning module (4) comprises a built-in small rotating motor or reciprocating motor, and a rotating rod or a telescopic rod corresponding to the rotating motor and the reciprocating motor respectively.
7. The sand saturation surface dry water absorption testing device according to claim 1, wherein the drying module (3) adopts one of a heating wire, a halogen lamp or an electric blower.
8. The sand saturation surface dry water absorption testing device according to claim 1, wherein the reminding module (6) adopts any combination of one or more of a display screen, a light prompter and a warning sound device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122559013.0U CN216484464U (en) | 2021-10-22 | 2021-10-22 | Dry water absorption testing arrangement of sand saturation face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122559013.0U CN216484464U (en) | 2021-10-22 | 2021-10-22 | Dry water absorption testing arrangement of sand saturation face |
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| Publication Number | Publication Date |
|---|---|
| CN216484464U true CN216484464U (en) | 2022-05-10 |
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| CN202122559013.0U Active CN216484464U (en) | 2021-10-22 | 2021-10-22 | Dry water absorption testing arrangement of sand saturation face |
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| CN (1) | CN216484464U (en) |
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2021
- 2021-10-22 CN CN202122559013.0U patent/CN216484464U/en active Active
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