CN212180528U - Intelligent testing system for rock water-based effect - Google Patents
Intelligent testing system for rock water-based effect Download PDFInfo
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- CN212180528U CN212180528U CN202020558887.7U CN202020558887U CN212180528U CN 212180528 U CN212180528 U CN 212180528U CN 202020558887 U CN202020558887 U CN 202020558887U CN 212180528 U CN212180528 U CN 212180528U
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- 239000011435 rock Substances 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 title claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 230000000704 physical effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
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- 229910000831 Steel Inorganic materials 0.000 description 4
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- 230000035699 permeability Effects 0.000 description 3
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- 238000007906 compression Methods 0.000 description 2
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- 238000002474 experimental method Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a rock water conservancy effect intelligent test system, include: the constant temperature control box is provided with a constant temperature sealed accommodating space, and a rock sample is placed in the accommodating space for testing; the electronic balance is arranged in the accommodating space, the rock sample is hung below the electronic balance for weighing, and the electronic balance is used for measuring the weight change of the rock sample; the container is used for containing water, the container is arranged below the rock sample, the top of the container is of an opening structure, and the rock sample is in contact with the liquid level at the opening of the container; and a spring connected to a bottom of the container, the container being fixed in the accommodating space by the spring, the spring applying an elastic force toward the rock sample to the container. The utility model discloses a rock water conservancy effect intelligent test system has solved among the prior art rock water conservancy effect measuring method evaluation scientific and accurate inadequately effectively, the big problem of measuring method error.
Description
Technical Field
The utility model relates to an engineering rock mass experiment technical field particularly, relates to a rock water conservancy is intelligent test system.
Background
In the prior art, rocks have permeability, and the research on the permeability of the rocks is widely applied to the fields of roadway support, coal field exploitation, oil and gas field exploitation and the like. The research on the water absorption property of the rock is a technical hotspot of the current geotechnical engineering, and has important significance for researching the permeability of the rock. At present, in a test method for single-side water absorption of rocks, the contact area of the rocks and water changes along with the progress of a water absorption process, so that the evaluation of a measurement method is not scientific and accurate enough, and the error of the measurement method is large.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in provide a rock water conservancy effect intelligent test system to solve among the prior art rock water conservancy effect measuring method evaluation scientific and accurate inadequately, the great problem of measuring method error.
In order to achieve the above object, the utility model provides a rock water conservancy effect intelligent test system, include: the constant temperature control box is provided with a constant temperature sealed accommodating space, and a rock sample is placed in the accommodating space for testing; the electronic balance is arranged in the accommodating space, the rock sample is hung below the electronic balance for weighing, and the electronic balance is used for measuring the weight change of the rock sample; the container is used for containing water, the container is arranged below the rock sample, the top of the container is of an opening structure, and the rock sample is in contact with the liquid level at the opening of the container; and a spring connected to a bottom of the container, the container being fixed in the accommodating space by the spring, the spring applying an elastic force toward the rock sample to the container.
Further, the system also comprises a computer, wherein the computer is in data connection with the electronic balance and is used for collecting the measurement data of the electronic balance.
Further, still including setting up base, pole setting and the objective table at accommodation space, the pedestal mounting is in accommodation space's bottom, and the pole setting is connected on the base, and the first end of pole setting is connected on the base, the second end extends to accommodation space top, and the second end department at the pole setting is connected to the objective table, and electronic balance sets up on the objective table.
Further, the container is mounted on the base by springs that support the container.
Furthermore, the electronic balance is provided with a lower hanging type weighing steel wire, the steel wire penetrates through a corresponding hole of the objective table and is suspended below the objective table, and the rock sample is detachably arranged below the steel wire.
Further, the stiffness K of the spring is determined by the following equation:
K=ρg(S2-S1),
wherein the local gravitational acceleration is g, the cross section of the rock sample is uniform along the vertical direction, and the cross section area of the rock sample is S1(ii) a The cross-section of the vessel is uniform along the vertical direction and the cross-sectional area of the vessel is S2;S1Less than S2(ii) a The density of water is ρ.
Further, the sum of the initial mass of the container and the water in the container is M0Maximum compression of the spring is X0,M0And X0The relation needs to be satisfied:
M0<ρ(S2-S1)X0。
the utility model particularly provides a structural system that can make the area of contact of rock and water remain unchanged. The utility model discloses well electronic balance weighs the measurement of weighing to the rock sample through hanging down to measure the mass change of rock sample. The water in the vessel is contacted with the rock sample to provide the amount of water for the rock adsorption process. The spring is connected to the bottom of the container and continuously exerts a spring force against the rock sample, and when the total mass of the container is reduced due to the reduction of water in the container, the spring pushes the container to move towards the rock sample, so that the water in the container is always kept in contact with the rock sample. Therefore, the utility model discloses a rock water conservancy effect intelligent test system can make the area of contact of rock and water remain unchanged at the process of absorbing water, makes in the rock water conservancy effect measuring method, and this data of area of contact maintain invariably, has promoted the scientificity and the accuracy of measuring method evaluation by a wide margin, has reduced measuring error by a wide margin.
Drawings
Fig. 1 is the utility model discloses rock water physics effect intelligent test system's schematic structure diagram.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.
Referring to fig. 1, according to the embodiment of the utility model, a rock water conservancy intelligent test system is provided, rock water conservancy intelligent test system includes thermostatic control case 10, electronic balance 30, container 40 and spring 50, and thermostatic control case 10 has constant temperature sealed accommodation space 11, is used for placing rock sample 20 in the accommodation space 11 and tests. An electronic balance 30 is provided in the accommodating space 11, and the rock sample 20 is hung under the electronic balance 30 for weighing, and the electronic balance 30 is used for measuring the weight change of the rock sample 20. The container 40 is used for containing water, the container 40 is arranged below the rock sample 20, the top of the container 40 is in an open structure, and the rock sample 20 is in contact with a liquid level 41 at the opening of the container 40. A spring 50 is attached to the bottom of the container 40, and the container 40 is fixed in the accommodating space 11 by the spring 50, and the spring 50 applies an elastic force toward the rock sample 20 to the container 40.
Because in the test method that the rock single face absorbs water, the area of contact of rock and water changes along with the going on of process that absorbs water, consequently the utility model provides a structural system that can make the area of contact of rock and water keep unchangeable very much. The utility model discloses well electronic balance 30 weighs the measurement of weighing rock sample 20 through hanging down to measure the mass change of rock sample. The water in the container 40 comes into contact with the rock sample 20 to provide the amount of water for the rock adsorption process. The spring 50 is attached to the bottom of the container 40 and continues to exert a spring force against the rock sample 20, and when the water in the container 40 decreases, resulting in a decrease in the total mass of the container 40, the spring 50 urges the container 40 to move towards the rock sample 20, such that the water in the container 40 is always in contact with the rock sample 20. Therefore, the utility model discloses a rock water conservancy effect intelligent test system can keep unchangeable at the area of contact of rock and water in the process of absorbing water, makes in the rock water conservancy effect measuring method, and this data of area of contact maintain invariably, has promoted the scientificity and the accuracy of measuring method evaluation by a wide margin, has reduced measuring error by a wide margin.
Moreover, the utility model discloses a constant temperature control box 10 be the sealed structure of constant temperature, can make the evaporation of the water minimum degree in the container 40 or run off like this, and then has got rid of the data interference factor that moisture evaporation or loss lead to in the container, has promoted measuring method's precision and accuracy.
The intelligent testing system for the rock water physical effect further comprises a computer 60, wherein the computer 60 is in data connection with the electronic balance 30, and the computer is used for collecting the measurement data of the electronic balance 30. In this embodiment, the electronic balance 30 is connected to a computer outside the thermostatic control cabinet 10 through a data line, and the data line is sealed from the thermostatic control cabinet 10.
The intelligent testing system for rock water management effect further comprises a base 71, an upright rod 72 and an object stage 73 which are arranged in the accommodating space 11, wherein the base 71 is arranged at the bottom of the accommodating space 11, the upright rod 72 is connected to the base 71, the first end of the upright rod 72 is connected to the base 71, the second end of the upright rod 72 extends to the top of the accommodating space 11, the object stage 73 is connected to the second end of the upright rod 72, and the electronic balance 30 is arranged on the object stage 73.
Preferably, in the rock water physics intelligent test system, the container 40 is mounted on the base 71 by the spring 50, and the spring 50 supports the container 40. The electronic balance 30 has an underhung weighing wire that passes through a corresponding hole of the stage 73 and is suspended below the stage 73, and the rock specimen 20 is detachably mounted below the wire.
Further preferably, in the present embodiment, the stiffness K of the spring 50 is determined by the following formula:
K=ρg(S2-S1)。
wherein the local gravitational acceleration is g, the cross-section of the rock sample 20 is uniform along the vertical direction, and the cross-sectional area of the rock sample 20 is S1(ii) a The cross-section of the container 40 is uniform along the vertical direction, and the cross-sectional area of the container 40 is S2;S1Is less thanS2(ii) a The density of water is ρ.
At two adjacent moments in the water absorption process, if the container is fixed in the vertical direction, the relationship between the mass reduction amount m of the water in the container and the liquid level height reduction amount h is as follows:
m=ρ(S2-S1)h。
in fact, a reduction in the mass of water in the container 40 will cause the compressed spring 50 to elongate and the container will be lifted. To ensure that the relative position of the rock sample to the liquid level is constant (i.e. the absolute level of the liquid level is constant), the container needs to be raised h, i.e. the elongation of the spring should also be h, and the relation is obtained according to hooke's law:
mg=Kh;
obtaining a value relation formula of K according to the two formulas: k ═ ρ g (S)2-S1)。
The sum of the initial mass of the water in the container 40 and the container 40 is M0The maximum compression amount of the spring 50 is X0,M0And X0The relation (K and initial length of spring, in this case X) needs to be satisfied0Can determine and then determine M0):
M0<ρ(S2-S1)X0。
According to the intelligent testing system for the rock water physics effect, the rock water physics effect measuring method comprises the following steps:
step 1: placing the rock sample 20 below the steel wire and hanging the rock sample on an electronic balance 30, contacting the rock sample 20 with water in a container 40, and carrying out a water absorption experiment of the rock sample;
step 2: acquiring the mass change quantity of the rock sample 20 in the first preset time;
and step 3: and calculating a continuous 'water absorption capacity-time' change curve of the rock sample under the constant temperature environment according to the first preset time and the mass change quantity.
The utility model discloses a rock water conservancy effect intelligent test system can provide stable contact surface between rock sample and the water, and the above-mentioned quality of obtaining the rock sample in first scheduled time change volume is exactly the water absorption capacity of rock sample in first scheduled time. First, the utility model discloses a rock water conservancy effect intelligent test system can keep unchangeable at the area of contact of rock and water absorbing process, makes in the rock water conservancy effect measuring method, and this data of area of contact maintain invariably. Secondly, the utility model discloses a constant temperature control box be the sealed structure of constant temperature, can make the evaporation of the water minimum degree in the container or run off like this, and then has got rid of the data interference factor that moisture evaporation or loss lead to in the container. Finally, the mass variation of the rock sample is obtained through the lower hanging type electronic balance, the influence of factors such as water evaporation and liquid level variation does not need to be considered, the measurement precision is higher, and the accuracy is better.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.
Claims (5)
1. An intelligent testing system for rock water physical effects, comprising:
the constant temperature control box (10) is provided with a constant temperature sealed accommodating space (11), and a rock sample (20) is placed in the accommodating space (11) for testing;
the electronic balance (30) is arranged in the accommodating space (11), the rock sample (20) is hung below the electronic balance (30) for weighing, and the electronic balance (30) is used for measuring the weight change of the rock sample (20);
a container (40), wherein the container (40) is used for containing water, the container (40) is arranged below the rock sample (20), the top of the container (40) is of an open structure, and the rock sample (20) is in contact with a liquid level (41) at the opening of the container (40);
a spring (50) connected to a bottom of the container (40), the container (40) being fixed in the accommodating space (11) by the spring (50), the spring (50) applying an elastic force toward the rock sample (20) to the container (40).
2. The intelligent rock hydrophysics testing system according to claim 1, further comprising a computer (60), the computer (60) being in data connection with the electronic balance (30), the computer being adapted to collect measurement data of the electronic balance (30).
3. The intelligent rock water management effect test system according to claim 1, further comprising a base (71), a vertical rod (72) and an object stage (73) which are arranged in the accommodating space (11), wherein the base (71) is installed at the bottom of the accommodating space (11), the vertical rod (72) is connected to the base (71) at a first end, a second end of the vertical rod (72) extends to the top of the accommodating space (11), the object stage (73) is connected to the second end of the vertical rod (72), and the electronic balance (30) is arranged on the object stage (73).
4. A rock water management effect intelligent test system according to claim 3 wherein the container (40) is mounted on the base (71) by the spring (50), the spring (50) supporting the container (40).
5. The intelligent rock hydropathic testing system of claim 3, wherein said electronic balance (30) has an underhung weighing wire which passes through a corresponding hole of said stage (73) and is suspended below said stage (73), said rock specimen (20) being removably mounted below said wire.
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CN202020558887.7U CN212180528U (en) | 2020-04-15 | 2020-04-15 | Intelligent testing system for rock water-based effect |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111323329A (en) * | 2020-04-15 | 2020-06-23 | 中国矿业大学(北京) | Intelligent testing system for rock water-based effect |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111323329A (en) * | 2020-04-15 | 2020-06-23 | 中国矿业大学(北京) | Intelligent testing system for rock water-based effect |
CN111323329B (en) * | 2020-04-15 | 2024-07-09 | 中国矿业大学(北京) | Intelligent testing system for water-treatment effect of rock |
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