CN217304700U - Multifunctional rock mass fracture grouting test device - Google Patents
Multifunctional rock mass fracture grouting test device Download PDFInfo
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- CN217304700U CN217304700U CN202221213411.5U CN202221213411U CN217304700U CN 217304700 U CN217304700 U CN 217304700U CN 202221213411 U CN202221213411 U CN 202221213411U CN 217304700 U CN217304700 U CN 217304700U
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Abstract
The utility model provides a multi-functional rock mass crack slip casting test device, including water injection device, constant voltage gas injection device, the mud storage tank, data acquisition control system and computer, water injection device's delivery port passes through the water injection union coupling with the water filling port of mud storage tank, the gas outlet of constant voltage gas injection device passes through the gas injection union coupling with the gas injection mouth of mud storage tank, the pressure release mouth of mud storage tank is connected with the pressure release pipe, be provided with the pressure release valve on the pressure release pipe, be provided with agitating unit in the mud storage tank, the slip casting exit linkage of mud storage tank has the slip casting pipe, be provided with the pressure release valve on the slip casting pipe, be provided with the slip casting valve on the slip casting pipe, thick liquid flowmeter and slip casting pressure gauge, data acquisition control system respectively with thick liquid flowmeter and slip casting pressure gauge signal connection, the computer is connected with data acquisition control system signal. The utility model discloses can gather exact slip casting data, realize the constant pressure slip casting, provide experimental basis for the mobile law of research thick liquid under constant pressure.
Description
Technical Field
The utility model relates to an engineering hydrodynamics test technical field, specific theory relates to a multi-functional rock mass crack slip casting test device.
Background
The existing building engineering faces a plurality of problems caused by large or small cracks and joint weak zones in the stratum, and the ground engineering often encounters the problems of unstable foundation and even sinking; in underground engineering (tunnel engineering, coal mine engineering and the like), problems of water seepage of rock strata, overlarge pressure of an underground support, even collapse of a roadway and the like are often encountered. For the above problems, the method can be effectively solved by adopting a proper grouting technology, and overall, the grouting has the following two functions:
(1) the grouting can fill the pores and cracks of the rock mass from the microcosmic aspect, so that the integrity of the rock mass is improved, the strength and the stability of the rock mass are enhanced, the foundation can be effectively reinforced for ground engineering, the sinking distance of the foundation is reduced, and the pressure of the support can be reduced for reinforcing the rock stratum for underground engineering.
(2) The grouting can fill joints and cracks of the rock stratum and reduce the permeability of surrounding rocks, so that the downward discharge of harmful gas or water flow above the roadway is effectively reduced.
During actual construction, different grouting materials and different grouting processes are needed for different rock strata due to different terrain environments, different rock stratum structures, different rock stratum depths and different rock types of the rock strata, and grouting parameters in the current construction are often set according to experience, scientific theoretical guidance is not provided, professional grouting equipment is not available on the market, comprehensive research on the grouting materials and the grouting processes cannot be carried out, and simulation test data of the grouting equipment also lacks scientificity and accuracy.
And the slip casting pressure acquisition component of slip casting appearance on the market at present sets up in the thick liquid jar mostly to the pressure in the thick liquid jar is as grouting pressure, and slip casting flow acquisition component also sets up at slip casting pipeline front end mostly, has neglected that flow and pressure loss that the thick liquid flows in the slip casting pipeline and brings can lead to the test data inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional rock mass crack slip casting test device, the utility model discloses can ensure to gather exact slip casting data, work load is little, can save a large amount of manpowers, can change slip casting pressure, thick liquid raw and other materials or each material ratio of thick liquid and test, realize the constant pressure slip casting, provide experimental basis for studying the flowing law of thick liquid under constant pressure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional rock mass crack grouting test device comprises a water injection device, a constant-pressure gas injection device, a slurry storage tank, a data acquisition control system and a computer, wherein a water injection port, a gas injection port and a pressure relief port are arranged at the top of the slurry storage tank, a slurry injection port with a sealing cover is arranged at the upper side part of the outer side wall of the slurry storage tank, a grouting outlet and a slurry relief outlet are arranged at the bottom of the slurry storage tank, a water outlet of the water injection device is connected with the water injection port of the slurry storage tank through a water injection pipe, a gas outlet of the constant-pressure gas injection device is connected with the gas injection port of the slurry storage tank through a gas injection pipe, the pressure relief port of the slurry storage tank is connected with a pressure relief pipe, a pressure relief valve is arranged on the pressure relief pipe, a stirring device is arranged in the slurry storage tank, the grouting outlet of the slurry storage tank is connected with a grouting pipe, the other end of the grouting pipe is connected with an external grouting device, the slurry relief outlet of the slurry storage tank is connected with a slurry relief pipe, and a pressure relief valve is arranged on the pressure relief pipe, the grouting pipe is sequentially provided with a grouting valve, a slurry flowmeter and a grouting pressure gauge along the liquid flowing direction, the grouting valve is arranged at the front end of the grouting pipe, the slurry flowmeter and the grouting pressure gauge are arranged at the tail end of the grouting pipe, the data acquisition control system is respectively in signal connection with the slurry flowmeter and the grouting pressure gauge, and the computer is in signal connection with the data acquisition control system.
The water injection device comprises a water tank, a water injection pump and a liquid pressure regulating valve, wherein a water outlet of the water tank is connected with a water inlet of the water injection pump through a water pumping pipe, a water outlet of the water injection pump is connected with a water injection port of the slurry storage tank through a water injection pipe, the liquid pressure regulating valve is arranged on the water injection pipe, and a data acquisition control system is respectively in signal connection with the water injection pump and the liquid pressure regulating valve.
The constant-pressure gas injection device comprises a gas pump, a gas injection valve, a voltage stabilizer, an overflow pressure regulating valve and a gas injection pressure gauge, wherein the gas outlet of the gas pump is connected with the gas injection port of the slurry storage tank through a gas injection pipe, the gas injection valve, the voltage stabilizer, the overflow pressure regulating valve and the gas injection pressure gauge are sequentially arranged on the gas injection pipe along the gas flowing direction, and a data acquisition control system is respectively in signal connection with the gas pump, the overflow pressure regulating valve and the gas injection pressure gauge.
Agitating unit includes agitator motor, (mixing) shaft and stirring fan blade, agitator motor fixed mounting is at the top of storing up the thick liquid jar, the vertical setting of (mixing) shaft concentric center is in storing up the thick liquid jar, the upper end of (mixing) shaft is rotated and is installed at the top center of storing up the thick liquid jar, agitator motor's power shaft lower extreme coaxial drive connects the upper end of (mixing) shaft, the lower extreme of (mixing) shaft is located the lower part in the thick liquid jar, stirring fan blade is provided with a plurality of pieces, each stirring fan blade circumference array fixed mounting is outer circumference at the lower tip of (mixing) shaft, data acquisition control system and agitator motor signal connection.
The data acquisition control system comprises a case and an integrated computer, the bottom of the case is fixedly supported on the ground through a rack, the integrated computer is arranged in the case, the left side of the front side of the case is provided with a control panel, the upper side of the control panel is provided with a liquid crystal display, the lower side of the control panel is provided with a gas injection control switch, a water injection control switch, a stirring control switch and a main power supply control switch, the integrated computer is respectively connected with a slurry flowmeter, a slurry injection pressure gauge, a liquid pressure regulating valve, an overflow pressure regulating valve, a gas injection pressure gauge and a liquid crystal display through signals, and the computer is connected with the integrated computer through signals.
By adopting the technical scheme, the rock mass fracture grouting test method for researching different grouting materials and grouting pressures specifically comprises the following steps:
assembling the multifunctional rock mass fracture grouting test device;
adding the slurry prepared according to the requirement into a slurry storage tank, and uniformly stirring by a stirring device;
injecting gas into the slurry storage tank through a constant-pressure gas injection device to increase the pressure in the slurry storage tank;
when the pressure in the slurry storage tank reaches the set grouting pressure, opening a grouting valve, and beginning to inject slurry into the required grouting equipment;
monitoring test data at any time through a data acquisition control system, and extracting the test data through a computer for research or storage;
changing grouting pressure and the proportion of the slurry raw material or each material of the slurry, repeating the steps (two) - (five), and continuing the test;
and (seventhly), after the test is completed, discharging the residual slurry in the slurry storage tank, and cleaning the whole system through a water injection device and a constant-pressure gas injection device, so that the next test is facilitated.
The step (II) is specifically as follows: the sealing cover is opened, the slurry configured according to requirements is added into the slurry storage tank through the slurry filling port, the main power control switch is opened, the stirring motor is started through the stirring control switch, the stirring motor drives the stirring shaft to rotate, and then the stirring shaft drives the stirring fan blades to rotate to stir the slurry, so that the slurry is prevented from being deposited.
The step (III) is specifically as follows: start the air pump through gas injection control switch, open the gas injection valve, to the injected gas in the storage thick liquid jar, through gas injection pressure gauge real-time supervision storage thick liquid jar internal pressure and pass to integrated computer, then liquid crystal display shows the pressure data of gas injection pressure gauge in real time, and storage thick liquid jar internal pressure begins to step up.
The step (IV) is specifically as follows: the gas injection pressure is set to be higher than the required grouting pressure through the overflow pressure regulating valve, when the liquid crystal display screen displays that the internal pressure of the slurry storage tank rises to a set value, the grouting valve is opened, and then the slurry in the slurry storage tank is injected into external required grouting equipment through the grouting pipe under the action of the grouting pressure.
The step (V) is specifically as follows: the grouting process is monitored in real time through the slurry flowmeter and the grouting pressure gauge, the integrated computer collects test data of the slurry flowmeter and the grouting pressure gauge, the computer extracts the test data collected by the integrated computer and analyzes and processes the test data, and then the pressure change rule of the slurry in the grouting process is measured and stored.
The step (VII) is specifically as follows: after the test is finished, the grouting valve and the air pump are closed, the pressure relief valve and the slurry relief valve are opened, the air pressure in the slurry storage tank is released through the pressure relief pipe, meanwhile, the residual slurry in the slurry storage tank is discharged through the slurry relief pipe, then, the pressure relief valve and the slurry relief valve are closed, the water injection pump is started through the water injection control switch, the water in the water tank is injected into the slurry storage tank through the water injection pipe by the water injection pump, then, the water injection pump is closed, the stirring fan blades stir the clean water to further clean the inside of the slurry storage tank, then, the grouting valve and the air pump are opened, the clean water in the slurry storage tank is injected into the externally-connected required grouting equipment through the grouting pipe and is completely discharged, meanwhile, the air pump also completely blows out the residual clean water in the grouting pipe, the influence on the slurry composition in the next grouting test is avoided, the clean water can clean the grouting pipe and the internally of the externally-connected required grouting equipment in the grouting pipe and the externally-connected required grouting equipment in the flow process, then closing the grouting valve and the air pump, starting the grouting pump, injecting a certain amount of clear water into the slurry storage tank through the water injection pipe by the water injection pump, then closing the water injection pump, stirring the clear water by the stirring device so as to clean the inside of the slurry storage tank, opening the grouting valve and the air pump again, injecting the clear water in the slurry storage tank into external required grouting equipment through the grouting pipe and discharging the clear water completely, simultaneously blowing out the residual clear water in the grouting pipe by the air pump completely, avoiding influencing the slurry components in the next grouting test, cleaning the grouting pipe and the external required grouting equipment by the clear water in the flowing process of the grouting pipe and the external required grouting equipment, repeating the operations for many times, cleaning the whole system, and facilitating the next test.
The utility model discloses relative prior art has substantive characteristics and progress, and specifically speaking, the utility model has the following beneficial effect:
(1) the utility model is provided with a slurry flowmeter and a grouting pressure gauge at the end of the grouting pipe as the collecting elements of the grouting flow and the grouting pressure, thereby ensuring that the correct grouting data can be collected;
(2) the data acquisition control system of the utility model integrates the equipment control and the data acquisition together, has high integration level, can realize automatic data real-time acquisition, has small workload, can control the equipment by only 1-2 persons, and can save a large amount of manpower;
(3) the utility model discloses can change slip casting pressure, thick liquid raw and other materials or each material ratio of thick liquid and test, realize the constant pressure slip casting, provide experimental basis for the law that flows of research thick liquid under constant pressure.
Drawings
FIG. 1 is a schematic diagram of the visual test system for simulating multi-type single-crack grouting seepage of the utility model.
Fig. 2 is an axial schematic view of the visual single-fracture seepage apparatus of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1 and 2, a multifunctional rock mass crack grouting test device comprises a water injection device, a constant pressure gas injection device, a slurry storage tank 1, a data acquisition control system 2 and a computer, wherein the top of the slurry storage tank 1 is provided with a water injection port 3, a gas injection port 4 and a pressure relief port 5, the upper side part of the outer side wall of the slurry storage tank 1 is provided with a slurry injection port 6 with a sealing cover, the bottom of the slurry storage tank 1 is provided with a slurry injection outlet 7 and a slurry relief outlet 8, the water outlet of the water injection device is connected with the water injection port 3 of the slurry storage tank 1 through a water injection pipe 9, the gas outlet of the constant pressure gas injection device is connected with the gas injection port 4 of the slurry storage tank 1 through a gas injection pipe 10, the pressure relief port 5 of the slurry storage tank 1 is connected with a pressure relief pipe 11, the pressure relief pipe 11 is provided with a pressure relief valve 12, a stirring device 13 is arranged in the slurry storage tank 1, the slurry injection outlet 7 of the slurry storage tank 1 is connected with a slurry injection pipe 14, and the other end of the slurry injection pipe 14 is connected with an externally-connected required grouting equipment 40, a slurry discharge outlet 8 of the slurry storage tank 1 is connected with a slurry discharge pipe 15, a slurry discharge valve 16 is arranged on the slurry discharge pipe 15, a slurry injection valve 17, a slurry flow meter 18 and a slurry injection pressure gauge 19 are sequentially arranged on the slurry injection pipe 14 along the liquid flowing direction, the slurry injection valve 17 is arranged at the front end of the slurry injection pipe 14, the slurry flow meter 18 and the slurry injection pressure gauge 19 are arranged at the tail end of the slurry injection pipe 14, the data acquisition control system 2 is respectively in signal connection with the slurry flow meter 18 and the slurry injection pressure gauge 19, and the computer is in signal connection with the data acquisition control system 2.
The water injection device comprises a water tank 20, a water injection pump 21 and a liquid pressure regulating valve 22, a water outlet of the water tank 20 is connected with a water inlet of the water injection pump 21 through a water pumping pipe 23, a water outlet of the water injection pump 21 is connected with a water injection port 3 of the slurry storage tank 1 through a water injection pipe 9, the liquid pressure regulating valve 22 is arranged on the water injection pipe 9, and the data acquisition control system 2 is in signal connection with the water injection pump 21 and the liquid pressure regulating valve 22 respectively.
The constant pressure gas injection device comprises a gas pump 24, a gas injection valve 25, a pressure stabilizer 26, an overflow pressure regulating valve 27 and a gas injection pressure gauge 28, wherein a gas outlet of the gas pump 24 is connected with a gas injection port 4 of the slurry storage tank 1 through a gas injection pipe 10, the gas injection valve 25, the pressure stabilizer 26, the overflow pressure regulating valve 27 and the gas injection pressure gauge 28 are sequentially arranged on the gas injection pipe 10 along the gas flowing direction, and a data acquisition control system 2 is respectively in signal connection with the gas pump 24, the overflow pressure regulating valve 27 and the gas injection pressure gauge 28.
Agitating unit 13 includes agitator motor 29, stirring shaft 30 and stirring fan blade 31, agitator motor 29 fixed mounting is at the top of slurry storage tank 1, the vertical setting in slurry storage tank 1 of (mixing) shaft 30 concentric center, the top center at slurry storage tank 1 is installed in the rotation of the upper end of (mixing) shaft 30, agitator motor 29's power shaft lower extreme coaxial drive connects the upper end of (mixing) shaft 30, the lower extreme of (mixing) shaft 30 is located slurry storage tank 1 lower part, stirring fan blade 31 is provided with a plurality of pieces, 31 circumference array fixed mounting of each stirring fan blade are outside the circumference of the lower tip of (mixing) shaft 30, data acquisition control system 2 and agitator motor 29 signal connection.
The data acquisition control system 2 comprises a case 32 and an integrated computer, the bottom of the case 32 is fixedly supported on the ground through a rack 33, the integrated computer is arranged in the case 32, a control panel 35 is arranged at the left side of the front side of the case 32, a liquid crystal display 34 is arranged at the upper side of the control panel 35, a gas injection control switch 36, a water injection control switch 37, a stirring control switch 38 and a main power supply control switch 39 are arranged at the lower side of the control panel 35, the integrated computer is in signal connection with a slurry flowmeter 18, a slurry injection pressure gauge 19, a liquid pressure regulating valve 22, an overflow pressure regulating valve 27, a gas injection pressure gauge 28 and the liquid crystal display 34 respectively, and the computer is in signal connection with the integrated computer.
By adopting the technical scheme, the rock mass fracture grouting test method for researching different grouting materials and grouting pressures specifically comprises the following steps:
assembling the multifunctional rock mass fracture grouting test device;
adding the slurry prepared according to the requirement into the slurry storage tank 1, and uniformly stirring by using a stirring device 13;
(III) injecting gas into the slurry storage tank 1 through a constant-pressure gas injection device to increase the pressure in the slurry storage tank 1;
fourthly, when the pressure in the slurry storage tank 1 reaches the set grouting pressure, opening a grouting valve 17, and beginning to inject slurry into the needed grouting equipment;
monitoring test data at any time through the data acquisition control system 2, and extracting the test data through a computer for research or storage;
changing grouting pressure and the proportion of the slurry raw material or each material of the slurry, repeating the steps (two) - (five), and continuing the test;
and (seventhly), after the test is completed, discharging the residual slurry in the slurry storage tank 1, and cleaning the whole system through a water injection device and a constant-pressure gas injection device, so that the next test is facilitated.
The step (II) is specifically as follows: the sealing cover is opened, the slurry prepared according to requirements is added into the slurry storage tank 1 through the slurry filling opening 6, the main power supply control switch 39 is opened, the stirring motor 29 is started through the stirring control switch 38, the stirring motor 29 drives the stirring shaft 30 to rotate, and the stirring shaft 30 drives the stirring fan blades 31 to rotate to stir the slurry, so that the slurry is prevented from being deposited.
The step (III) is specifically as follows: start air pump 24 through gas injection control switch 36, open gas injection valve 25, to injecting into gas in the mud storage tank 1, through gas injection pressure gauge 28 real-time supervision mud storage tank 1 internal pressure and pass to integrated computer, then liquid crystal display 34 shows gas injection pressure gauge 28's pressure data in real time, and mud storage tank 1 internal pressure begins to step up.
The step (IV) is specifically as follows: the gas injection pressure is set to be higher than the required grouting pressure through the overflow pressure regulating valve 27, when the liquid crystal display 34 displays that the internal pressure of the slurry storage tank 1 rises to a set value, the grouting valve 17 is opened, and the slurry in the slurry storage tank 1 is injected into the externally required grouting equipment 40 through the grouting pipe 14 under the action of the grouting pressure.
The step (V) is specifically as follows: the slurry flow and the grouting pressure in the grouting process are monitored in real time through the slurry flow meter 18 and the grouting pressure gauge 19, the integrated computer collects the test data of the slurry flow meter 18 and the grouting pressure gauge 19, the computer extracts the test data collected by the integrated computer and analyzes and processes the test data, the pressure change rule of the slurry in the grouting process is further measured, and the test data are stored.
The step (VII) is specifically as follows: after the test is finished, the grouting valve 17 and the air pump 24 are closed, the pressure relief valve 12 and the slurry relief valve 16 are opened, the air pressure in the slurry storage tank 1 is released through the pressure relief pipe 11, meanwhile, the residual slurry in the slurry storage tank 1 is discharged through the slurry relief pipe 15, then, the pressure relief valve 12 and the slurry relief valve 16 are closed, the water injection pump 21 is started through the water injection control switch 37, the water injection pump 21 injects a certain amount of clear water into the slurry storage tank 1 through the water injection pipe 9, then, the water injection pump 21 is closed, the stirring fan blades 31 stir the clear water to clean the inside of the slurry storage tank 1, then, the grouting valve 17 and the air pump 24 are opened, the clear water in the slurry storage tank 1 is injected into the externally-connected required grouting equipment 40 through the grouting pipe 14 and is completely discharged, meanwhile, the air pump 24 also blows out the residual clear water in the grouting pipe 14 completely, the influence on the components of the next grouting pipe 14 and the externally-connected required grouting equipment 40 is avoided, and the clear water can flow in the grouting pipe 14 and the externally-connected required grouting equipment 40 in the process The inside of the grouting equipment 40 is cleaned, then the grouting valve 17 and the air pump 24 are closed, the water injection pump 21 is started, the water injection pump 21 injects a certain amount of clear water into the grout storage tank 1 through the water injection pipe 9, then the water injection pump 21 is closed, the stirring device 13 stirs the clear water to further clean the inside of the grout storage tank 1, the grouting valve 17 and the air pump 24 are opened again, the clear water in the grout storage tank 1 is injected into the external required grouting equipment 40 through the grouting pipe 14 and is completely discharged, meanwhile, the air pump 24 also completely blows out the residual clear water in the grouting pipe 14, the influence on the grout composition during the next grouting test is avoided, the clear water can clean the grouting pipe 14 and the inside of the external required grouting equipment 40 in the process of the grouting pipe 14 and the external required grouting equipment 40, the above operations are repeated for many times, the whole system is cleaned, and the next test is facilitated.
The computer and the integrated computer are not shown in the figure, and the control part in the utility model is the conventional technology, and does not relate to a new computer program.
The utility model discloses following beneficial effect has:
(1) the utility model is provided with a slurry flowmeter 18 and a grouting pressure gauge 19 at the end of the grouting pipe 14 as the collecting elements of grouting flow and grouting pressure, which ensures that correct grouting data can be collected;
(2) the data acquisition control system 2 of the utility model integrates the equipment control and data acquisition together, has high integration level, can realize automatic data real-time acquisition, has small workload, can control the equipment by only 1-2 persons, and can save a large amount of manpower;
(3) the utility model discloses can change slip casting pressure, thick liquid raw and other materials or each material ratio of thick liquid and test, realize the constant pressure slip casting, provide experimental basis for the law that flows of research thick liquid under constant pressure.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the above embodiments are only used for illustration and not for limitation of the technical solutions of the present invention; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (5)
1. The utility model provides a multi-functional rock mass crack slip casting test device which characterized in that: the device comprises a water injection device, a constant-pressure gas injection device, a slurry storage tank, a data acquisition control system and a computer, wherein a water injection port, a gas injection port and a pressure relief port are arranged at the top of the slurry storage tank, a slurry filling port with a sealing cover is arranged at the upper side part of the outer side wall of the slurry storage tank, a slurry filling outlet and a slurry relief outlet are arranged at the bottom of the slurry storage tank, a water outlet of the water injection device is connected with the water injection port of the slurry storage tank through a water injection pipe, a gas outlet of the constant-pressure gas injection device is connected with the gas injection port of the slurry storage tank through a gas injection pipe, a pressure relief pipe is connected with the pressure relief port of the slurry storage tank, a pressure relief valve is arranged on the pressure relief pipe, a stirring device is arranged in the slurry storage tank, a slurry filling outlet of the slurry storage tank is connected with a slurry injection pipe, the other end of the slurry injection pipe is connected with external required slurry injection equipment, a slurry relief pipe is connected with the slurry relief outlet of the slurry storage tank, a slurry relief valve is arranged on the slurry relief pipe, and a slurry relief valve is sequentially arranged on the slurry injection pipe along the flowing direction of liquid, The grouting pipe comprises a slurry flowmeter and a grouting pressure gauge, wherein a grouting valve is arranged at the front end of the grouting pipe, the slurry flowmeter and the grouting pressure gauge are arranged at the tail end of the grouting pipe, a data acquisition control system is in signal connection with the slurry flowmeter and the grouting pressure gauge respectively, and a computer is in signal connection with the data acquisition control system.
2. The multifunctional rock mass fracture grouting test device of claim 1, characterized in that: the water injection device comprises a water tank, a water injection pump and a liquid pressure regulating valve, wherein a water outlet of the water tank is connected with a water inlet of the water injection pump through a water pumping pipe, a water outlet of the water injection pump is connected with a water injection port of the slurry storage tank through a water injection pipe, the liquid pressure regulating valve is arranged on the water injection pipe, and a data acquisition control system is respectively in signal connection with the water injection pump and the liquid pressure regulating valve.
3. The multifunctional rock mass fracture grouting test device of claim 2, characterized in that: the constant pressure gas injection device comprises a gas pump, a gas injection valve, a voltage stabilizer, an overflow pressure regulating valve and a gas injection pressure gauge, wherein the gas outlet of the gas pump is connected with the gas injection port of the slurry storage tank through a gas injection pipe, the gas injection valve, the voltage stabilizer, the overflow pressure regulating valve and the gas injection pressure gauge are sequentially arranged on the gas injection pipe along the gas flowing direction, and a data acquisition control system is respectively in signal connection with the gas pump, the overflow pressure regulating valve and the gas injection pressure gauge.
4. The multifunctional rock mass fracture grouting test device of claim 3, characterized in that: agitating unit includes agitator motor, (mixing) shaft and stirring fan blade, agitator motor fixed mounting is at the top of storing up the thick liquid jar, the vertical setting of (mixing) shaft concentric center is in storing up the thick liquid jar, the upper end of (mixing) shaft is rotated and is installed at the top center of storing up the thick liquid jar, agitator motor's power shaft lower extreme coaxial drive connects the upper end of (mixing) shaft, the lower extreme of (mixing) shaft is located the lower part in the thick liquid jar, stirring fan blade is provided with a plurality of pieces, each stirring fan blade circumference array fixed mounting is outer circumference at the lower tip of (mixing) shaft, data acquisition control system and agitator motor signal connection.
5. The multifunctional rock mass fracture grouting test device of claim 4, characterized in that: the data acquisition control system comprises a case and an integrated computer, the bottom of the case is fixedly supported on the ground through a rack, the integrated computer is arranged in the case, the left side of the front side of the case is provided with a control panel, the upper side of the control panel is provided with a liquid crystal display, the lower side of the control panel is provided with a gas injection control switch, a water injection control switch, a stirring control switch and a main power supply control switch, the integrated computer is respectively connected with a slurry flowmeter, a slurry injection pressure gauge, a liquid pressure regulating valve, an overflow pressure regulating valve, a gas injection pressure gauge and a liquid crystal display through signals, and the computer is connected with the integrated computer through signals.
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| CN202221213411.5U CN217304700U (en) | 2022-05-20 | 2022-05-20 | Multifunctional rock mass fracture grouting test device |
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| CN202221213411.5U CN217304700U (en) | 2022-05-20 | 2022-05-20 | Multifunctional rock mass fracture grouting test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160725A1 (en) * | 2022-05-20 | 2023-08-31 | 河南理工大学 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160725A1 (en) * | 2022-05-20 | 2023-08-31 | 河南理工大学 | Visualized test method which is for single fracture grouting seepage and in which width and roughness are variable |
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