CN113654710B - Rapid installation device for monitoring water pressure outside underground engineering and application method - Google Patents
Rapid installation device for monitoring water pressure outside underground engineering and application method Download PDFInfo
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- CN113654710B CN113654710B CN202111212877.3A CN202111212877A CN113654710B CN 113654710 B CN113654710 B CN 113654710B CN 202111212877 A CN202111212877 A CN 202111212877A CN 113654710 B CN113654710 B CN 113654710B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 201
- 238000012544 monitoring process Methods 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 30
- 230000003204 osmotic effect Effects 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 4
- 239000004746 geotextile Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a rapid mounting device for monitoring the external water pressure of underground engineering and an application method thereof, relating to the technical field of pressure monitoring. The water-saving device comprises an outer sleeve, wherein a water control assembly and a hollow shaft rod movably connected with the water control assembly are arranged in the outer sleeve, and the water control assembly is movably connected with the outer sleeve; the two ends of the hollow shaft rod are respectively provided with a sand filtering water permeable assembly and an explosion-proof gram assembly, and the hollow shaft rod is communicated with the water control assembly through the sand filtering water permeable assembly; the outer wall of the outer sleeve is also provided with a mounting assembly; the method and the device which have simple structure, quick installation and convenient maintenance are attached to the fixed steel plate, thereby reducing the construction of large equipment, having little influence on field installation conditions and quick installation; the mechanical rotary sealing mode of the water control plug is adopted, so that the installation is convenient and rapid, and the maintenance process is simple and safe; meanwhile, the repeated utilization rate of the external water pressure monitoring device is increased, and the economic benefit is remarkable.
Description
Technical Field
The invention relates to the technical field of pressure monitoring, in particular to a rapid installation device for monitoring the external water pressure of underground engineering and an application method.
Background
In the excavation process of underground engineering, the original structural form of a complex and variable rock body can be changed, the surrounding rock of an underground cavern can be damaged under various conditions, and the strength and the stability of the rock and soil can be reduced by underground water, so that the performance of the rock and soil is poor, and various adverse results are generated. When the traditional underground engineering external water pressure is monitored, a drilling embedding installation and a shield method are mainly adopted, so that the monitoring assembly can monitor the external water pressure.
Traditional drilling is buried underground, and the required supporting equipment facility of construction and installation is more, leads to consuming time long to can not satisfy the needs of underground works emergency rescue, and when outer water pressure was too big, be difficult for realizing the shutoff to the drill way fast.
The shield segment preassembling is greatly influenced by the segment assembling construction process, and the segment splicing is staggered or disordered in sequence, so that the mounting position of the sensor is directly changed, and the external water pressure monitoring effect is directly influenced; in addition, the existing shield method tunnel external water pressure monitoring device and monitoring method also have the risk of damaging the segment external grouting structure, the damage to the original building structure for monitoring the implementation of work is not preferable, and the small concrete slag generated during installation can block the water inlet of the device.
In order to solve the problems, how to design a rapid installation device for monitoring the water pressure outside the underground engineering and an application method thereof are urgently needed to be solved at present.
Disclosure of Invention
The invention aims to provide a rapid mounting device for monitoring the external water pressure of underground engineering and an application method thereof, so as to solve the problems in the background technology.
The embodiment of the invention is realized by the following steps:
on one hand, the embodiment of the application provides a rapid mounting device for monitoring the external water pressure of an underground engineering, which comprises an outer sleeve, wherein a water control assembly and a hollow shaft rod movably connected with the water control assembly are arranged in the outer sleeve;
the two ends of the hollow shaft rod are respectively provided with a sand filtering water permeable assembly and an explosion-proof gram assembly, and the hollow shaft rod is communicated with the water control assembly through the sand filtering water permeable assembly; the outer wall of outer tube still is provided with the installation component.
In some embodiments of the present invention, the mounting assembly includes a connection flange, a water stop flange and a fixing steel plate;
the connecting flange is fixedly connected with one end of the outer sleeve, and the water stopping flange, the fixed steel plate and the connecting flange are sequentially abutted and fixed through a flange screw; the fixed steel plate is also provided with a fixed hole in a penetrating way.
In some embodiments of the present invention, the water control assembly includes a water control plug, and an outer wall of the water control plug is provided with an external thread and is in threaded fit with the outer sleeve; the one end of accuse water end cap towards hollow axostylus axostyle still is provided with apopore and fastening screw, and accuse water end cap still is provided with the inlet opening with apopore intercommunication.
In some embodiments of the present invention, one end of the hollow shaft is inserted into and matched with the water control plug;
the outer wall of accuse water plug is provided with a plurality of constant head tanks, and the inner wall of hollow axostylus axostyle is provided with a plurality of locating pins that use with the constant head tank cooperation.
In some embodiments of the present invention, the sand-filtering water-permeable assembly comprises a connecting cap and a connecting screw rod; the outer wall of the connecting cap is abutted against the inner wall of the hollow shaft rod and is matched and fixed with the fastening screw hole through the connecting screw rod;
one end of the connecting cap, which faces the water control plug, is provided with a water control groove, and the other end of the connecting cap is provided with a drain hole communicated with the water control groove; the filter layer is filled in the water control groove, and a water permeable cap for fixing the filter layer is arranged at the port of the water control groove.
In some embodiments of the present invention, the above-described explosion-proof gland assembly includes an explosion-proof gland head and a gland head fastening nut that cooperate; the explosion-proof gland head is in threaded fit with the inner wall of the hollow shaft rod.
In some embodiments of the present invention, the explosion-proof gland head is further provided with a cable sealing ring in abutment with the gland head fastening nut.
In some embodiments of the present invention, a foam block is further disposed at an end of the water control plug extending out of the outer sleeve.
In some embodiments of the present invention, an inner wall of one end of the outer sleeve, which is far away from the water control plug, is further provided with an internal thread, and the inner wall is connected with a pipe joint through the internal thread.
On the other hand, the embodiment of the application provides an application method of a quick installation device for monitoring the water pressure outside an underground engineering, which comprises the following steps:
fixing the mounting assembly outside the leakage point;
rotating the hollow shaft, thereby opening a water flow passage of the water control assembly;
extending the outer sleeve into the leakage point, and connecting the outer sleeve with the mounting assembly;
rotating the hollow shaft, thereby closing the water flow passage of the water control assembly;
the explosion-proof gland component is disassembled, the osmotic pressure sensor monitoring component is placed in the hollow shaft rod, and then the explosion-proof gland component is connected with the hollow shaft rod;
the hollow shaft rod is rotated again, so that the water flow channel of the water control assembly is opened for water pressure monitoring.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
(1) the method and the device have the advantages of simple structure, quick installation and convenient maintenance, realize the monitoring of the water pressure outside the underground engineering for emergency rescue for the first time, and can provide decision basis for the later emergency disposal of the underground engineering;
(2) the method and the device which have simple structure, quick installation and convenient maintenance are attached to the water stop steel plate, reduce the construction of large equipment, have small influence on field installation conditions and are quick to install;
(3) the method and the device have the advantages of simple structure, quick installation and convenient maintenance, depend on a mechanical rotary sealing mode of the water control plug, are convenient and quick to install, and have simple and safe maintenance process;
(4) the method and the device have the advantages of simple structure, quick installation and convenient maintenance, increase of the repeated utilization rate of the external water pressure monitoring device and remarkable economic benefit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a cross-sectional view of an integrated device in an embodiment of the present invention;
FIG. 2 is a sectional view showing a part of the structure of an integrated apparatus in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a portion of the structure of a water control plug in an embodiment of the present invention;
FIG. 4 is a schematic view of the structure taken along line A-A;
FIG. 5 is a cross-sectional view of a coupling cap in an embodiment of the present invention;
FIG. 6 is a schematic view of the structure taken along line B-B;
FIG. 7 is a cross-sectional view of a hollow shaft in an embodiment of the present invention;
FIG. 8 is a schematic view of the structure taken along line C-C;
fig. 9 is a cross-sectional view of a portion of an explosion proof gram assembly in an embodiment of the invention.
Icon: 1. a foam block; 2. an outer sleeve; 3. a water control plug; 4. a hollow shaft; 5. an explosion-proof glan head; 6. a connecting cap; 7. a connecting flange; 8. positioning a groove; 11. connecting a screw rod; 12. an osmolarity sensor monitoring assembly; 13. a pipe joint; 14. a water control groove; 16. a sensor cable; 31. a water inlet hole; 32. a water outlet hole; 33. fastening screw holes; 41. positioning pins; 52. a cable seal ring; 55. a gland head fastening nut; 61. a drain hole; 63. a water permeable cap; 64. a filter layer; 71. a flange screw; 72. fixing a steel plate; 73. a water stop flange; 74. and (7) fixing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1-9, fig. 1 is a cross-sectional view of an integrated device according to an embodiment of the present invention; FIG. 2 is a sectional view showing a part of the structure of an integrated apparatus according to an embodiment of the present invention; FIG. 3 is a sectional view showing a part of the structure of the water control plug 3 according to the embodiment of the present invention; FIG. 4 is a schematic view of the structure taken along line A-A; fig. 5 is a sectional view showing the connection cap 6 in the embodiment of the present invention; FIG. 6 is a schematic view of the structure taken along line B-B; fig. 7 shows a cross-sectional view of a hollow shaft 4 according to an embodiment of the invention; FIG. 8 is a schematic view of the structure taken along line C-C; figure 9 is a cross-sectional view of a portion of an explosion proof gram assembly in an embodiment of the invention.
On one hand, the embodiment of the application provides a rapid installation device for monitoring the external water pressure of the underground engineering, which comprises an outer sleeve 2, as shown in fig. 1 and 2, a water control assembly and a hollow shaft rod 4 movably connected with the water control assembly are arranged in the outer sleeve 2, the water control assembly is arranged near the port of the outer sleeve 2 and used for the inflow of external water, and the water control assembly is movably connected with the inner wall of the outer sleeve 2;
the two ends of the hollow shaft lever 4 are respectively provided with a sand filtering water permeable assembly and an explosion-proof gram assembly, the hollow shaft lever 4 is a cylinder structure, one end of the hollow shaft lever is connected with the sand filtering water permeable assembly, and the other end of the hollow shaft lever is connected with the explosion-proof gram assembly; the hollow shaft lever 4 is communicated with the water control assembly through a sand filtering and water permeating assembly; the outer wall of the outer sleeve 2 is also provided with a mounting assembly.
When the outer sleeve 2 is used, the outer sleeve 2 is deeply inserted into a leakage point, the water control assembly positioned in the outer sleeve and the water inlet of flowing water are controlled, and the flowing water is filtered by the filter sand permeable assembly, so that the flowing water is about to flow into the hollow shaft rod 4, and the inside of the hollow shaft rod 4 is also provided with the osmotic pressure sensor monitoring assembly 12 for monitoring the external water pressure, so that the external water pressure is monitored, and the purpose of monitoring is achieved; by the installation assembly, the outer sleeve 2 has enough convenience for installation; and through the explosion-proof glan assembly, so that the osmotic pressure sensor monitoring assembly 12 positioned inside the hollow shaft 4 is convenient to replace and maintain, and the whole device has higher practicability.
The application object of the device is an external water pressure monitoring quick installation device, and the installation component of the device can be installed according to the emergency rescue requirement when the underground engineering leaks, or can be installed at a selected monitoring point according to the requirement of the safety monitoring work of the underground engineering.
In the present embodiment, the mounting assembly includes a connecting flange 7, a water stop flange 73, and a fixing steel plate 72;
the connecting flange 7 is fixedly connected with one end of the outer sleeve 2, and the water stopping flange 73, the fixed steel plate 72 and the connecting flange 7 are sequentially abutted and fixed through the flange screw 71; the fixing steel plate 72 further has a fixing hole 74 formed therethrough.
The water stopping flange 73 is arranged outside the port of the leakage point and is fixedly connected with the outer wall of the outer sleeve 2 in a bolt mode and the like, the connecting flange 7 is fixedly connected with the outer wall of the outer sleeve 2 in a blocking mode and the like, the joint of the water stopping flange 73 and the connecting flange 7 has good air tightness, and the water stopping flange 73 and the connecting flange 7 are fixed through the flange screw rod 71, so that the aim of fixing the outer sleeve 2 can be achieved. The fixing steel plate 72 is fixed to the inner wall of the environment by an expansion screw or other means, so that the fixing strength of the outer sleeve 2 is better.
As shown in fig. 1 and 2, the size of the fixing steel plate 72 is determined according to actual conditions when the installation is performed, and the thickness of the fixing steel plate 72 should be selected to be not less than 5mm to ensure sufficient mechanical strength.
In this embodiment, the water control assembly includes a water control plug 3, and the outer wall of the water control plug 3 is provided with an external thread and is in threaded fit with the outer sleeve 2; the end of the water control plug 3 facing the hollow shaft rod 4 is further provided with a water outlet 32 and a fastening screw hole 33, and the water control plug 3 is further provided with a water inlet 31 communicated with the water outlet 32.
In a preferred embodiment, the water inlet hole 31 is disposed near the end of the water control plug 3 and far away from the end of the water outlet hole 32; that is, in fig. 1 or fig. 2, the water inlet hole 31 is disposed at the upper end of the water control plug 3, so that when the water control plug 3 rotates, the water inlet hole 31 can be closed and opened, thereby facilitating the monitoring and use of the whole device.
In this embodiment, one end of the hollow shaft rod 4 is inserted into and matched with the water control plug 3;
the outer wall of accuse water end cap 3 is provided with a plurality of constant head tanks 8, and the inner wall of hollow shaft lever 4 is provided with a plurality of locating pins 41 that use with the cooperation of constant head tank 8.
And the outer wall of the hollow shaft lever 4 can also be provided with an external thread matched with the thread of the inner wall of the outer sleeve 2, but the thread matching between the hollow shaft lever 4 and the outer sleeve 2 does not influence the connection between the hollow shaft lever 4 and the water control plug 3.
Through the setting of the inside locating pin 41 of hollow shaft lever 4, even hollow shaft lever 4 is when being connected with accuse water end cap 3, through the grafting of constant head tank 8 with locating pin 41 promptly to make connection between them more stable, and can restrict both and can not take place relative circumferential rotation.
When the positioning pins 41 and the positioning grooves 8 are arranged, a plurality of positioning pins 41 and positioning grooves 8 can be arranged, and the positioning pins 41 are uniformly distributed along the circumferential direction of the hollow shaft rod 4; the size relationship between the positioning pins 41 or the positioning grooves 8 may be the same or different.
In this embodiment, the sand-filtering water-permeable assembly comprises a connecting cap 6 and a connecting screw rod 11; the outer wall of the connecting cap 6 abuts against the inner wall of the hollow shaft 4, as shown in fig. 5, in this embodiment, the connecting cap 6 adopts a "convex" structure, and the inner wall of the hollow shaft 4 should be configured to correspond to the connecting cap 6, and an abutting relationship is formed between the two, and the connecting cap 6 is fixed by the matching of the connecting screw 11 and the fastening screw hole 33; that is, the connection cap 6 can be fixed by the connection between the connection screw 11 and the fastening screw hole 33.
The end of the connecting cap 6 facing the water control plug 3 is provided with a water control groove 14, and the other end is provided with a drain hole 61 communicated with the water control groove 14, it should be noted that the drain hole 61 and the water control groove 14 are also communicated with the inside of the water control plug 3, that is, the water inlet hole 31; the inside of the water control groove 14 is filled with a filter layer 64, and a water permeable cap 63 for fixing the filter layer 64 is provided at an end port of the water control groove 14.
As shown in fig. 5, that is, a filter layer 64 is disposed in the water control groove 14 for filtering running water, in this embodiment, the filter layer 64 is made of geotextile, and may be made of other materials, such as sponge, etc.
It should be noted that in the present embodiment, a plurality of the water discharge holes 61 and the water outlet holes 32 are provided, and are uniformly distributed along the circumferential direction of the position of the water discharge hole.
In this embodiment, the above-mentioned explosion-proof gland assembly comprises an explosion-proof gland head 5 and a gland head fastening nut 55 which are used cooperatively; the explosion-proof gland head 5 is in threaded fit with the inner wall of the hollow shaft 4.
The function of the explosion-proof gland assembly, namely that of extending the connecting wires for the osmometric sensor monitoring assembly 12, is shown in fig. 1 and 2, with the sensor cable 16 leading from the bottom of the hollow shaft 4 through the explosion-proof gland head 5, and the explosion-proof gland head 5 effectively sealing the bottom of the hollow shaft 4.
In the present embodiment, the explosion-proof gland 5 is further provided with a cable packing 52 in contact with a gland fastening nut 55.
In this embodiment, the end of the water control plug 3 extending out of the outer sleeve 2 is further provided with a foam block 1.
In this embodiment, the inner wall of the end of the outer sleeve 2 away from the water control plug 3 is further provided with an internal thread, and a pipe joint 13 is connected to the inner wall through the internal thread. After the osmose sensor monitoring component 12 installation sealed completion in hollow axostylus axostyle 4 promptly, will accuse water end cap 3 release, installation coupling 13 reduces the interval of hollow axostylus axostyle 4 and outer tube 2, prevents the collision damage hollow axostylus axostyle 4.
On the other hand, the embodiment of the application provides an application method of a quick installation device for monitoring the water pressure outside an underground engineering, which comprises the following steps:
step one, adopting a guide pipe to guide water at a leakage point, and processing a water stop steel plate according to the size of the leakage point;
fixing the water-stopping steel plate to the outer side of the leakage point by using an expansion bolt, and sealing a joint between the water-stopping steel plate and the leakage point;
thirdly, assembling an outer sleeve 2, a water control plug 3, a hollow shaft lever 4 and a sand filtering water permeable device of the device, wherein the water control plug 3 and a positioning groove 8 of the hollow shaft lever 4 are required to be noticed during assembly, no geotextile or stainless steel filter screen cap is added in the sand filtering water permeable device, and the water control plug 3 is opened by rotating the hollow shaft lever 4 after the assembly is finished;
step four, mounting the assembled device on a water stop steel plate, adding a water stop sealing gasket, screwing down a water stop flange 73 on the outer side of the outer sleeve 2 and a nut on the water stop steel plate, and sealing to lead out external water of the underground building through a water control plug 3 and a hollow shaft lever 4;
fifthly, rotating the bottom end of the hollow shaft lever 4 by using a wrench, closing the water control plug 3, and checking the sealing property; sixthly, dismounting the hollow shaft lever 4 and the sand filtering and water permeating device by using a lengthened internal hexagonal wrench;
step seven, mounting the geotextile and the stainless steel filter screen cap on the sand filtering and water permeating device, pushing the sand filtering and water permeating device to the top end of the hollow shaft rod 4 from the bottom of the hollow shaft rod 4, and adding an O-shaped water stopping sealing rubber mat on the hollow shaft rod 4 and the sand filtering and water permeating device;
step eight, plugging the hollow shaft lever 4 with the sand filtering and water permeating device into the outer sleeve 2, rotating the hollow shaft lever 4 to align the positioning groove 8 of the hollow shaft lever 4 with the positioning groove 8 of the water control plug 3, forcibly pushing the hollow shaft lever, and tightly connecting the sand filtering and water permeating device, the hollow shaft lever 4 and the water control plug 3 by using an elongated inner hexagonal wrench;
step nine, installing the osmotic pressure sensor monitoring assembly 12 into the hollow shaft lever 4, leading out an instrument cable through the explosion-proof gland head 5, fixing the explosion-proof gland head 5 to the bottom of the hollow shaft lever 4, adding a water-stopping sealing foot pad during fixing, screwing each part, and sealing;
step ten, rotating the bottom of the hollow shaft lever 4 by using a wrench, opening the water control plug 3, enabling leakage water to flow into the hollow shaft lever 4, and starting monitoring external water pressure by using the seepage pressure sensor monitoring assembly 12;
step eleven, installing a pipe joint 13 at the bottom of the outer sleeve 2, and fixing the hollow shaft lever 4 to prevent the instrument from being damaged;
and step twelve, taking down the pipe joint 13, and rotating the bottom of the hollow shaft lever 4 by using a wrench to close the water control plug 3, so that the sand filtration and water permeation device and the osmotic pressure sensor monitoring assembly 12 of the device can be maintained.
In summary, simply speaking, even if the mounting assembly is first fixed outside the leak point; secondly, rotating the hollow shaft lever 4, thereby opening a water flow channel of the water control assembly; then, the outer sleeve 2 extends into the leakage point, and the outer sleeve 2 is connected with the mounting component; the hollow shaft 4 is then rotated, thus closing the water flow passage of the water control assembly; then the explosion-proof gland component is disassembled, the osmotic pressure sensor monitoring component 12 is placed in the hollow shaft lever 4, and then the explosion-proof gland component is connected with the hollow shaft lever 4; finally, the hollow shaft 4 is rotated again, so that the water flow channel of the water control assembly is opened for water pressure monitoring.
When the above structures are connected, a sealing rubber pad should be provided when any two structures are in contact, so as to ensure sufficient air tightness.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A quick mounting device for monitoring the external water pressure of underground engineering is characterized by comprising an outer sleeve, wherein a water control assembly and a hollow shaft rod movably connected with the water control assembly are arranged in the outer sleeve, and the water control assembly is movably connected with the outer sleeve;
the two ends of the hollow shaft rod are respectively provided with a sand filtering water permeable assembly and an explosion-proof gram assembly, and the hollow shaft rod is communicated with the water control assembly through the sand filtering water permeable assembly; the outer wall of the outer sleeve is also provided with a mounting assembly;
the water control assembly comprises a water control plug, and the outer wall of the water control plug is provided with external threads and is in threaded fit with the outer sleeve; one end of the water control plug, which faces the hollow shaft rod, is also provided with a water outlet hole and a fastening screw hole, and the water control plug is also provided with a water inlet hole communicated with the water outlet hole;
the sand filtering and water permeating component comprises a connecting cap and a connecting screw rod; the outer wall of the connecting cap is abutted against the inner wall of the hollow shaft rod and is matched and fixed with the fastening screw hole through the connecting screw rod;
one end of the connecting cap, which faces the water control plug, is provided with a water control groove, and the other end of the connecting cap is provided with a drain hole communicated with the water control groove; the filter layer is filled in the water control groove, and a water permeable cap for fixing the filter layer is arranged at the port of the water control groove;
one end of the hollow shaft lever is in inserting fit with the water control plug; the outer wall of accuse water end cap is provided with a plurality of constant head tanks, the inner wall of hollow shaft lever is provided with a plurality of locating pins that use with the constant head tank cooperation.
2. The rapid installation device for monitoring the water pressure outside the underground engineering according to claim 1, wherein the installation assembly comprises a connecting flange, a water stopping flange and a fixing steel plate;
the connecting flange is fixedly connected with one end of the outer sleeve, and the water stopping flange, the fixed steel plate and the connecting flange are sequentially abutted and fixed through a flange screw; the fixed steel plate is also provided with a fixed hole in a penetrating way.
3. The rapid installation device for monitoring water pressure outside an underground construction according to claim 2, wherein the explosion-proof gland assembly comprises an explosion-proof gland head and a gland head fastening nut which are matched for use; the explosion-proof gland head is in threaded fit with the inner wall of the hollow shaft rod.
4. The quick installation device for monitoring the water pressure outside the underground engineering as claimed in claim 3, wherein the explosion-proof gland head is further internally provided with a cable sealing ring abutted with a gland head fastening nut.
5. The quick installation device for monitoring the water pressure outside the underground engineering as claimed in claim 1, wherein the end of the water control plug extending out of the outer sleeve is further provided with a foam block.
6. The quick installation device for monitoring the water pressure outside the underground engineering as claimed in claim 1, wherein the inner wall of the end of the outer sleeve far away from the water control plug is further provided with internal threads, and a pipe joint is connected with the internal threads.
7. An application method of the underground engineering external water pressure monitoring quick installation device is characterized in that the application method is applied to the underground engineering external water pressure monitoring quick installation device of any one of claims 1 to 6, and comprises the following steps:
fixing the mounting assembly outside the leakage point;
rotating the hollow shaft, thereby opening a water flow passage of the water control assembly;
extending the outer sleeve into the leakage point, and connecting the outer sleeve with the mounting assembly;
rotating the hollow shaft, thereby closing the water flow passage of the water control assembly;
the explosion-proof gland component is disassembled, the osmotic pressure sensor monitoring component is placed in the hollow shaft rod, and then the explosion-proof gland component is connected with the hollow shaft rod;
the hollow shaft rod is rotated again, so that the water flow channel of the water control assembly is opened for water pressure monitoring.
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| CN202111212877.3A CN113654710B (en) | 2021-10-19 | 2021-10-19 | Rapid installation device for monitoring water pressure outside underground engineering and application method |
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| CN202111212877.3A CN113654710B (en) | 2021-10-19 | 2021-10-19 | Rapid installation device for monitoring water pressure outside underground engineering and application method |
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| CN113654710B true CN113654710B (en) | 2021-12-28 |
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| CN113654710A (en) | 2021-11-16 |
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