CN216866778U - Mine water inflow prediction device - Google Patents
Mine water inflow prediction device Download PDFInfo
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- CN216866778U CN216866778U CN202123169889.0U CN202123169889U CN216866778U CN 216866778 U CN216866778 U CN 216866778U CN 202123169889 U CN202123169889 U CN 202123169889U CN 216866778 U CN216866778 U CN 216866778U
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Abstract
The utility model relates to the technical field of mine equipment, in particular to a mine water inflow prediction device, which comprises a water inflow prediction shell, a filtering component and an automatic cleaning component, wherein the water inflow prediction shell comprises: the filter assembly is communicated with the water inflow prediction shell and is used for filtering water entering the water inflow prediction shell; the automatic cleaning assembly is arranged in the filtering assembly and used for cleaning the filtering assembly. The utility model realizes the filtration of water entering the inflow prediction shell, avoids stones and muddy water from entering the inflow prediction shell, avoids the influence of impurities such as stones and muddy water on the mine inflow prediction device, and ensures that the mine inflow can be accurately predicted.
Description
Technical Field
The utility model relates to the technical field of mine equipment, in particular to a mine water inflow prediction device.
Background
When a mine is built and produced, atmospheric precipitation, surface water and underground water can all possibly flow into the underground through various channels, the mine water inflow quantity and the inflow state can directly affect the mine construction and production, the water inflow quantity needs to be predicted, and the normal operation of the mine construction and production is ensured.
The current mine water inflow amount prediction device is difficult to filter water flow when collecting and processing water inflow amount, and stone and muddy water enter the device to influence the device, so that the accuracy of the mine water inflow amount prediction is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prediction device of water inflow of a mine, which is used for solving the defects that in the prediction device of the water inflow of the mine in the prior art, water flow is difficult to filter, so that stones and muddy water enter the device, the accuracy of the prediction device of the water inflow of the mine is reduced, and the like.
The utility model provides a mine water inflow prediction device, which comprises a water inflow prediction shell, a filtering component and an automatic cleaning component, wherein the water inflow prediction shell comprises:
the filter assembly is communicated with the water inflow prediction shell and is used for filtering water entering the water inflow prediction shell;
the automatic cleaning assembly is arranged in the filtering assembly and used for cleaning the filtering assembly.
According to the mine water inflow prediction device provided by the utility model, the filter assembly comprises a connecting pipeline, a filter cover and a filter screen, one end of the connecting pipeline is communicated with the water inflow prediction shell, the filter cover is fixedly arranged at the other end of the connecting pipeline, the bottom of the filter cover is communicated with the connecting pipeline, and the filter screen is arranged in the filter cover.
According to the device for predicting the water inflow of the mine, which is provided by the utility model, the automatic cleaning assembly comprises the inclined tooth block, the connecting shaft and the cleaning rod, the inclined tooth block is rotatably arranged in the connecting pipeline, one end of the connecting shaft is fixedly connected with the inclined tooth block, the cleaning rod is fixedly connected with the other end of the connecting shaft, and the cleaning rod is abutted against the upper surface of the filter screen.
According to the mine water inflow prediction device provided by the utility model, the automatic cleaning assembly further comprises a base, the base is fixedly installed in the connecting pipeline, an opening is formed in the upper end of the base, an installation cavity communicated with the opening is formed in the base, a water outlet communicated with the installation cavity is formed in the side wall surface of the base, and the inclined tooth block is rotatably installed in the installation cavity.
According to the device for predicting the water inflow of the mine, provided by the utility model, the automatic cleaning assembly further comprises a thread block and a fixed block, the thread block is in threaded connection with the other end of the connecting shaft, the fixed block is fixedly arranged on the thread block, and the cleaning rod is fixedly connected with the fixed block.
According to the mine water inflow prediction device provided by the utility model, a first switch valve is arranged at the position, close to the water inflow prediction shell, of the connecting pipeline, a water outlet pipeline is arranged at the bottom of the water inflow prediction shell, and a second switch valve is arranged on the water outlet pipeline. The mine water inflow prediction device also comprises a water level detection component and a switch control component;
the water level detection assembly is used for detecting the water level height in the water inflow prediction shell;
the switch control assembly is used for controlling the opening and closing of the first switch valve and the second switch valve.
According to the mine water inflow prediction device provided by the utility model, the water level detection assembly comprises a floating plate, a guide rod and an elastic part, the floating plate is positioned in the water inflow prediction shell, one end of the guide rod is fixedly connected with the floating plate, the guide rod is in sliding connection with the water inflow prediction shell, one end of the elastic part is connected with the floating plate, and the other end of the elastic part is connected with the upper inner wall surface of the water inflow prediction shell.
According to the mine water inflow prediction device provided by the utility model, the switch control assembly comprises a first opening button, a first closing button, a second opening button and a second closing button, the first opening button and the second closing button are positioned at the inner bottom of the water inflow prediction shell, the first closing button and the second opening button are positioned on the upper inner wall surface of the water inflow prediction shell, the first opening button and the first closing button are respectively and electrically connected with the first switch valve, and the second opening button and the second closing button are respectively and electrically connected with the second switch valve.
According to the mine water inflow prediction device provided by the utility model, the switch control assembly further comprises a timing starting button and a timing closing button, the timing starting button is positioned at the inner bottom of the water inflow prediction shell, and the timing closing button is positioned on the upper inner wall surface of the water inflow prediction shell.
According to the mine water inflow prediction device provided by the utility model, the mine water inflow prediction device further comprises a supporting and fixing plate, one end of the supporting and fixing plate is fixedly connected with the side wall surface of the water inflow prediction shell, and the other end of the supporting and fixing plate is fixedly connected with the filtering assembly.
According to the mine water inflow prediction device provided by the utility model, the mine water inflow prediction device is moved to the water inflow position of a mine through external force, so that the water inflow enters the filter assembly, then the water inflow enters the water inflow prediction shell after passing through the filter assembly, and stones and muddy water are retained by the filter assembly. Meanwhile, the automatic cleaning assembly cleans the filtering assembly in real time, and normal work of the filtering assembly is guaranteed. And then realized filtering the water that gets into in the volume of gushing water prediction casing, avoided inside stone and muddy water get into the volume of gushing water prediction casing, avoided the mine volume of gushing water prediction device to receive the influence of impurity such as stone and muddy water, guaranteed can the mine volume of gushing water carry out the accurate prediction.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device for predicting water inflow of a mine, provided by the utility model;
FIG. 2 is one of the schematic structural views of an automatic cleaning assembly of the mine water inflow prediction device provided by the present invention;
FIG. 3 is a second schematic structural view of an automatic cleaning assembly of the device for predicting water inflow in a mine according to the present invention;
FIG. 4 is a second schematic structural diagram of the device for predicting water inflow of a mine according to the present invention;
reference numerals:
1: a water inflow prediction housing; 2: a filter assembly; 3: an automatic cleaning assembly;
4: a water level detection assembly; 5: a switch control assembly; 6: supporting the fixed plate;
11: a handle; 12: a moving wheel; 13: a water outlet pipeline;
14: a second on-off valve; 21: connecting a pipeline; 22: a filter housing;
23: a filter screen; 24: a first on-off valve; 31: a skewed tooth block;
32: a connecting shaft; 33: cleaning the rod; 34: a base;
35: an opening; 36: a water outlet; 37: a thread block;
38: a fixed block; 41: a floating plate; 42: a guide bar;
43: an elastic member; 51: a first close button; 52: a second open button;
53: a timer off button.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The mine water inflow prediction device of the present invention is described below with reference to fig. 1 and 4.
As shown in fig. 1, the device for predicting the water inflow of the mine comprises a water inflow prediction shell 1, a filter assembly 2 and an automatic cleaning assembly 3.
Specifically, the filter assembly 2 is communicated with the water inflow prediction shell 1, and the filter assembly 2 is used for filtering water entering the water inflow prediction shell 1;
in the automatic clearance subassembly 3 was filtering component 2, automatic clearance subassembly 3 was used for cleaning filtering component 2.
When the device is used, the mine water inflow prediction device is moved to the water inflow position of a mine through external force, so that water inflow enters the filter assembly 2, then the water inflow enters the water inflow prediction shell 1 after passing through the filter assembly 2, and stones and muddy water are intercepted by the filter assembly 2. Meanwhile, the automatic cleaning assembly 3 cleans the filtering assembly 2 in real time, and the filtering assembly 2 can work normally. And then realized filtering the water that gets into in the volume of gushing water prediction casing 1, avoided inside stone and muddy water get into the volume of gushing water prediction casing 1, avoided the mine volume of gushing water prediction device to receive the influence of impurity such as stone and muddy water, guaranteed can the mine volume of gushing water carry out the accurate prediction.
Further, as shown in fig. 1, the filter assembly 2 includes a connecting pipe 21, a filter housing 22 and a filter screen 23, one end of the connecting pipe 21 is communicated with the inflow prediction housing 1, the filter housing 22 is fixedly installed at the other end of the connecting pipe 21, the bottom of the filter housing 22 is communicated with the connecting pipe 21, and the filter screen 23 is installed in the filter housing 22. When the device is used, mine water burst firstly enters the filter cover 22, then flows into the connecting pipeline 21 through the filter screen 23, then enters the water burst amount prediction shell 1 through the connecting pipeline 21, and stones and muddy water in the water burst are trapped on the filter screen 23. And then realized filtering the water that gets into in the volume of gushing water prediction casing 1, avoided stone and muddy water to get into the inside of the volume of gushing water prediction casing 1.
Further, as shown in fig. 2, the automatic cleaning assembly 3 includes an inclined tooth block 31, a connecting shaft 32 and a cleaning rod 33, the inclined tooth block 31 is rotatably installed in the connecting pipe 21, one end of the connecting shaft 32 is fixedly connected with the inclined tooth block 31, the cleaning rod 33 is fixedly connected with the other end of the connecting shaft 32, and the cleaning rod 33 is abutted to the upper surface of the filter screen 23. When using, when gushing water and flowing to connecting tube 21 in through filter screen 23, water impact skewed tooth piece 31 for skewed tooth piece 31 takes place to rotate, and then drives connecting axle 32 along with rotating, and clearance pole 33 then rotates along with connecting axle 32, and clearance pole 33 clears up debris such as the stone on the filter screen 23 when rotating, and then has realized the cleanness to filter screen 23.
As shown in fig. 2 and fig. 3, the automatic cleaning assembly 3 further includes a base 34, the base 34 is fixedly installed in the connecting pipe 21, an opening 35 is provided at the upper end of the base 34, an installation cavity communicated with the opening 35 is provided in the base 34, a water outlet 36 communicated with the installation cavity is provided on a side wall surface of the base 34, and the helical tooth block 31 is rotatably installed in the installation cavity. When using, rivers flow to in connecting tube 21, then rivers follow opening 35 and get into the installation intracavity, then flow from delivery port 36, and then strike the skewed tooth piece 31 of installation intracavity through rivers for skewed tooth piece 31 takes place to rotate, and then drives connecting axle 32 and clearance pole 33 and takes place to rotate, has realized cleaning filtering component 2 through the connecting rod.
As shown in fig. 2 and 3, the automatic cleaning assembly 3 further includes a screw block 37 and a fixing block 38, the screw block 37 is connected with the other end of the connecting shaft 32 by screw threads, the fixing block 38 is fixedly mounted on the screw block 37, and the cleaning rod 33 is fixedly connected with the fixing block 38. When the cleaning device is used, the helical tooth block 31 rotates to drive the connecting shaft 32 to rotate, so that the threaded block 37 and the fixed block 38 are driven to rotate, the cleaning rod 33 also rotates along with the rotation, and the automatic cleaning of the filter assembly 2 through the cleaning rod 33 is realized. And the cleaning rod 33 with different specifications can be replaced by detaching the thread block 37 from the connecting shaft 32, which is more simple and convenient.
As shown in fig. 1, one end of the cleaning rod 33 abuts against the upper surface of the filter screen 23, and the other end of the cleaning rod 33 abuts against the inner wall surface of the filter housing 22. In use, the cleaning bar 33 can clean both the filter sock 22 and the filter screen 23.
Wherein, in an alternative embodiment of the present invention, the cleaning rod 33 is, for example, an L-shaped diagonal rod structure. It should be appreciated that the purge rod 33 may be any other suitable structure.
Further, as shown in fig. 1, a plurality of handles 11 are provided on the side wall surface of the inflow amount prediction housing 1, and the handles 11 are provided with anti-slip patterns. When using, through applying external force to handle 11, can make the mine forecast device of gushing water volume take place to remove, improved the convenience that the mine forecast device of gushing water volume removed, and anti-skidding line can avoid the staff to skid when gripping handle 11.
Further, as shown in fig. 1, the moving wheels 12 are provided at four corners of the bottom of the inflow prediction housing 1. When the device is used, external force is applied to the water inflow amount prediction shell 1, so that the mine water inflow amount prediction device can move along with the rolling of the moving wheels 12, and the mine water inflow amount prediction device is more convenient to move.
Further, as shown in fig. 1 and fig. 4, a first switch valve 24 is disposed at a position of the connecting pipe 21 close to the inflow prediction housing 1, a water outlet pipe 13 is disposed at the bottom of the inflow prediction housing 1, and a second switch valve 14 is disposed on the water outlet pipe 13. The mine water inflow prediction device also comprises a water level detection component 4 and a switch control component 5;
the water level detection component 4 is used for detecting the water inflow amount and predicting the water level height in the shell 1;
the switching control assembly 5 is used for controlling the opening and closing of the first switching valve 24 and the second switching valve 14.
When the water inflow prediction device is used, water inflow enters the connecting pipeline 21 and then flows into the water inflow prediction shell 1 through the first switch valve 24, the water level detection assembly 4 detects the water level height in the water inflow prediction shell 1 in real time, when the water level height in the water inflow prediction shell 1 reaches a preset value, the switch control assembly 5 controls the first switch valve 24 to be closed, the second switch valve 14 to be opened, and the water in the water inflow prediction shell 1 is discharged through the water outlet pipeline 13. When the water level in the water inflow prediction shell is reduced to a preset height, the switch control component 5 controls the first switch valve 24 to be opened, the second switch valve 14 to be closed, and water inflow continues to flow into the water inflow prediction shell 1, so that the automation degree of mine water inflow detection is improved. The time required for discharging the water inflow amount in the shell 1 is predicted by calculating, and the volume of the shell 1 is predicted by combining the water inflow amount, so that the size of the water inflow amount of the mine can be obtained.
Further, as shown in fig. 4, the water level detecting assembly 4 includes a floating plate 41, a guide rod 42 and an elastic member 43, the floating plate 41 is located in the inflow prediction housing 1, one end of the guide rod 42 is fixedly connected to the floating plate 41, the guide rod 42 is slidably connected to the inflow prediction housing 1, one end of the elastic member 43 is connected to the floating plate 41, and the other end of the elastic member 43 is connected to the upper inner wall surface of the inflow prediction housing 1.
In use, a contact switch, such as a push button switch, is disposed on both the upper wall and the bottom of the water inflow prediction housing 1 as the switch control unit 5. Along with the continuous inflow of water into the inflow prediction housing 1, the floating plate 41 and the guide rod 42 continuously rise along with the rising of the water surface, the elastic member 43 is extruded, the guide rod 42 enables the floating plate 41 to rise along the rising path of the guide rod 42, when the floating plate 41 floats to the upper end in the inflow prediction housing 1, the floating plate 41 contacts with a switch on the upper wall surface in the inflow prediction housing 1, and then the switch control component 5 controls the first switch valve 24 to be closed, the second switch valve 14 is opened, and the water in the inflow prediction housing 1 is discharged through the water outlet pipe 13.
Along with the gradual decline of the water level in the water inflow prediction casing 1, the elastic force of elastic component 43 extrudes floating plate 41 and guide rod 42 downwards, makes floating plate 41 and guide rod 42 move downwards, and when floating plate 41 moved down to the bottom of water inflow prediction casing 1, floating plate 41 contacted with the switch at the bottom of water inflow prediction casing 1, and then made on-off control subassembly 5 control first ooff valve 24 open, second ooff valve 14 closed, gush the water and get into in the water inflow prediction casing 1 again. And then the time required by the water inflow amount prediction shell for full water can be known, and then the size of the water inflow amount of the mine can be known through calculation.
In an alternative embodiment of the utility model, the elastic member 43 is, for example, a spring. It should be understood that the elastic member 43 may be any other suitable elastic structure.
Further, the water level detection assembly 4 includes a water level detection sensor electrically connected to the switch control assembly 5. When the water level prediction device is used, the water level detection sensor detects the water inflow amount in real time to predict the water level height in the shell 1, when the water inflow amount in the shell 1 reaches a preset value, the water level detection sensor sends a corresponding signal to the switch control component 5, the switch control component 5 controls the first switch valve 24 to be closed, the second switch valve 14 to be opened, and the water in the water inflow amount prediction shell 1 is discharged through the water outlet pipeline 13. When the water level in the water inflow prediction shell is reduced to the preset height, the water level detection sensor sends a corresponding signal to the switch control component 5, the switch control component 5 controls the first switch valve 24 to be opened, the second switch valve 14 to be closed, and water inflow continues to flow into the water inflow prediction shell 1, so that the automation degree of mine water inflow detection is improved.
Further, as shown in fig. 4, the switching control unit 5 includes a first on button, a first off button 51, a second on button 52 and a second off button, the first on button and the second off button are located at the inner bottom of the inflow prediction housing 1, the first off button 51 and the second on button 52 are located on the upper inner wall surface of the inflow prediction housing 1, the first on button and the first off button 51 are electrically connected to the first on-off valve 24, respectively, and the second on button 52 and the second off button are electrically connected to the second on-off valve 14, respectively. In use, as water gradually flows into the inflow prediction housing 1, the floating plate 41 continuously rises, and when the water level rises to the upper inner wall surface of the inflow prediction housing 1, the floating plate 41 contacts the first close button 51 and the second open button 52, the first close button 51 controls the first on-off valve 24 to be closed, and the second open button 52 controls the second on-off valve 14 to be opened, so that the water in the inflow prediction housing 1 is discharged through the water outlet pipe 13. When the water level in the water inflow prediction shell 1 drops to the bottom, the floating plate 41 is abutted to the first opening button and the second closing button, the first opening button controls the first switch valve 24 to be opened, and the second closing button controls the second switch valve 14 to be closed, so that the water inflow enters the water inflow prediction shell 1 again to perform the second water inflow detection, and the automation degree of the water inflow detection is improved.
Further, as shown in fig. 4, the switch control unit 5 further includes a timing on button and a timing off button 53, the timing on button is located at the inner bottom of the inflow prediction housing 1, and the timing off button 53 is located on the upper inner wall surface of the inflow prediction housing 1. When the device is used, the timing opening button and the timing closing button 53 are respectively electrically connected with an external timing device, when mine water burst just begins to enter the water burst prediction shell and the water level is positioned at the bottom of the water burst prediction shell 1, the floating plate 41 is in contact with the timing opening button, the timing opening button sends a corresponding signal to the external timing device, and the external timing device starts to time. When the water level in the inflow prediction housing 1 rises to the upper inner wall surface of the inflow prediction housing 1, the floating plate 41 contacts the timer closing button 53, the timer closing button 53 sends a corresponding signal to the external timer device, and the external timer device stops timing. And then can obtain the time that the water inflow amount predicts that casing 1 is full of water, and the volume of the water inflow amount prediction casing 1 that combines again can learn the size of mine water inflow amount, has further improved the degree of automation that the mine water inflow amount detected.
Further, as shown in fig. 1, the device for predicting the water inflow of the mine further comprises a supporting and fixing plate 6, one end of the supporting and fixing plate 6 is fixedly connected with the side wall surface of the water inflow prediction shell 1, and the other end of the supporting and fixing plate 6 is fixedly connected with the filter assembly 2. When using, support fixing plate 6 can be effectual strengthen being connected between filter assembly 2 and the volume of gushing water prediction casing 1 for filter assembly 2 can not take place the skew because of the impact that receives rivers, has ensured that the mine volume of gushing water detects can normally go on.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a mine water inflow prediction device which characterized in that, includes water inflow prediction casing, filtering component and automatic clearance subassembly:
the filter assembly is communicated with the water inflow prediction shell and is used for filtering water entering the water inflow prediction shell;
the automatic cleaning assembly is arranged in the filtering assembly and used for cleaning the filtering assembly.
2. The mine water inflow prediction device of claim 1, wherein the filter assembly comprises a connecting pipe, a filter housing and a filter screen, one end of the connecting pipe is communicated with the water inflow prediction housing, the filter housing is fixedly mounted on the other end of the connecting pipe, the bottom of the filter housing is communicated with the connecting pipe, and the filter screen is mounted in the filter housing.
3. The mine water inflow prediction device of claim 2, wherein the automatic cleaning assembly comprises a skewed tooth block, a connecting shaft and a cleaning rod, the skewed tooth block is rotatably mounted in the connecting pipe, one end of the connecting shaft is fixedly connected with the skewed tooth block, the cleaning rod is fixedly connected with the other end of the connecting shaft, and the cleaning rod abuts against the upper surface of the filter screen.
4. The mine water inflow prediction device of claim 3, wherein the automatic cleaning assembly further comprises a base, the base is fixedly mounted in the connecting pipeline, an opening is formed in an upper end of the base, a mounting cavity communicated with the opening is formed in the base, a water outlet communicated with the mounting cavity is formed in a side wall surface of the base, and the inclined tooth block is rotatably mounted in the mounting cavity.
5. The mine water inflow prediction device of claim 3 or 4, wherein the automatic cleaning assembly further comprises a threaded block and a fixed block, the threaded block is in threaded connection with the other end of the connecting shaft, the fixed block is fixedly mounted on the threaded block, and the cleaning rod is fixedly connected with the fixed block.
6. The mine water inflow prediction device according to any one of claims 2 to 4, wherein a first switch valve is arranged at a position of the connecting pipeline close to the water inflow prediction shell, a water outlet pipeline is arranged at the bottom of the water inflow prediction shell, a second switch valve is arranged on the water outlet pipeline, and the mine water inflow prediction device further comprises a water level detection component and a switch control component;
the water level detection assembly is used for detecting the water level height in the water inflow prediction shell;
the switch control assembly is used for controlling the opening and closing of the first switch valve and the second switch valve.
7. The mine water inflow prediction device of claim 6, wherein the water level detection assembly comprises a floating plate, a guide rod and an elastic member, the floating plate is located in the water inflow prediction housing, one end of the guide rod is fixedly connected with the floating plate, the guide rod is slidably connected with the water inflow prediction housing, one end of the elastic member is connected with the floating plate, and the other end of the elastic member is connected with an upper inner wall surface of the water inflow prediction housing.
8. The mine water inflow prediction device of claim 6, wherein the switch control assembly comprises a first on button, a first off button, a second on button, and a second off button, the first on button and the second off button are located at an inner bottom of the water inflow prediction housing, the first off button and the second on button are located on an upper inner wall surface of the water inflow prediction housing, the first on button and the first off button are electrically connected to the first switch valve, respectively, and the second on button and the second off button are electrically connected to the second switch valve, respectively.
9. The mine water inflow prediction device of claim 7 or 8, wherein the switch control assembly further comprises a timing on button located at an inner bottom of the water inflow prediction housing and a timing off button located at an upper inner wall surface of the water inflow prediction housing.
10. The device for predicting the inflow of mine according to any one of claims 1 to 4, further comprising a supporting and fixing plate, wherein one end of the supporting and fixing plate is fixedly connected with the side wall surface of the inflow prediction housing, and the other end of the supporting and fixing plate is fixedly connected with the filtering assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169889.0U CN216866778U (en) | 2021-12-15 | 2021-12-15 | Mine water inflow prediction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123169889.0U CN216866778U (en) | 2021-12-15 | 2021-12-15 | Mine water inflow prediction device |
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| Publication Number | Publication Date |
|---|---|
| CN216866778U true CN216866778U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123169889.0U Active CN216866778U (en) | 2021-12-15 | 2021-12-15 | Mine water inflow prediction device |
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| CN (1) | CN216866778U (en) |
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2021
- 2021-12-15 CN CN202123169889.0U patent/CN216866778U/en active Active
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