CN217440013U - A groundwater monitoring devices for karst area tunnel construction - Google Patents
A groundwater monitoring devices for karst area tunnel construction Download PDFInfo
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- CN217440013U CN217440013U CN202221315500.0U CN202221315500U CN217440013U CN 217440013 U CN217440013 U CN 217440013U CN 202221315500 U CN202221315500 U CN 202221315500U CN 217440013 U CN217440013 U CN 217440013U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model belongs to the technical field of tunnel construction, specifically disclose a groundwater monitoring devices for karst area tunnel construction, including drilling mechanism and with drilling mechanism detachable connection's monitoring storehouse, set up on the monitoring storehouse with monitoring mechanism corresponding monitoring storehouse water inlet, the inboard of monitoring storehouse water inlet has set firmly sealed sliding shaft, the inboard sliding connection of sealed sliding shaft has the door, the inboard one end of keeping away from of monitoring storehouse the monitoring mechanism has set firmly door headstock gear, door headstock gear includes installs the servo motor at the monitoring storehouse inner wall through the mounting bracket, the output end transmission of servo motor is connected with the lead screw, the outside threaded connection of lead screw has the slide, the slide with the door is connected; the monitoring mechanism is installed in a monitoring bin connected with a drill rod, a bin door is of a structure opened by horizontal sliding, and automatic opening and closing of the bin door are achieved by means of the working principle of a screw rod sliding table.
Description
Technical Field
The utility model relates to a tunnel construction, concretely relates to a groundwater monitoring devices for karst area tunnel construction.
Background
Due to the discreteness of geological medium permeability parameters and characteristics and the complexity of water environment balance influence factors, tunnel engineering, especially major tunnels, should pay attention to the fact that the conditions of water leakage entering the tunnels from surrounding rocks are mastered by adopting monitoring methods and means before and after construction, including underground water pore pressure, leakage (water burst) amount, surface water conditions, water level and pressure of aquifers above the tunnels, communication conditions of surface water and underground water and the like before and after construction, and attention is paid to the fact that monitoring data are fed back to design construction and used for underground water control decision and construction safety precaution.
At present, the monitoring of water leakage by using the drilling of the tunnel working face is one of important methods. In ground water level monitoring process, drilling on ground is usually preceded, utilize radar water level gauge, instrument such as laser water level gauge aims at drilling to this surveys ground water level, the operation is comparatively loaded down with trivial details, and because of geological environment's difference, there is measuring error, and to not hard up soil property, in case the drilling appears collapsing and causes the jam, need drilling monitoring again, waste time and energy, be difficult to realize ground water level real-time supervision moreover, be difficult to satisfy ground water level monitoring's demand.
Accordingly, a groundwater monitoring device for tunnel construction in a karst region is provided by those skilled in the art to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a groundwater monitoring devices for karst area tunnel construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a groundwater monitoring devices for karst area tunnel construction, include drilling mechanism and with the monitoring storehouse of drilling mechanism detachable connection, drilling mechanism includes drilling rod and drill bit, the drilling rod with the drill bit is connected, the monitoring storehouse is installed in the one end of keeping away from the drill bit, the one end that the inside in monitoring storehouse is close to the drilling rod is provided with monitoring mechanism, monitoring mechanism includes a plurality of equidistance evenly distributed's mounting box, the top of mounting box has set firmly the monitoring diaphragm, the inside of mounting box has set firmly the pressure sensor who contacts with the monitoring diaphragm, set up on the monitoring storehouse with the monitoring storehouse water inlet that monitoring mechanism corresponds, the inboard of monitoring storehouse water inlet has set firmly sealed sliding shaft, the inboard sliding connection of sealed sliding shaft has the door, the inboard one end of keeping away from monitoring mechanism in monitoring storehouse has set firmly door operating mechanism, the bin gate opening and closing mechanism comprises a servo motor installed on the inner wall of the monitoring bin through a mounting frame, the output end of the servo motor is connected with a lead screw in a transmission mode, the outer side of the lead screw is connected with a sliding seat in a threaded mode, the sliding seat is connected with the bin gate, and the pressure sensor is electrically connected with an external power supply through the servo motor.
As a further aspect of the present invention: the inner side of the monitoring bin is located right above the monitoring mechanism, a filter screen and a composite filter layer are fixedly arranged, and the composite filter layer is located above the filter screen.
As a further aspect of the present invention: the composite filter layer is of a multi-layer composite structure and comprises a first filter screen layer, a sponge filter layer, an activated carbon filter layer and a second filter screen layer from top to bottom in sequence.
As a further aspect of the present invention: and a rubber pad is fixedly bonded at one end of the inner side of the water inlet of the monitoring bin, which is close to the drill rod.
As a further aspect of the present invention: the inside of sealed sliding shaft is seted up "protruding" font spout, the both ends of door be with the spout assorted "protruding" font structure.
As a further aspect of the present invention: and a sealing gasket is fixedly bonded on the inner side of the convex chute of the sealing sliding shaft.
As a further aspect of the present invention: and a thread groove matched with the thread bulge on the outer wall of the screw rod is fixedly arranged on the inner wall of the sliding seat.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses install monitoring mechanism in the monitoring storehouse of being connected with the drilling rod, the door adopts the structure that the horizontal slip was opened, realizes the automatic start and stop of door with the help of the theory of operation of lead screw slip table, when drilling the mechanism and bore deeply, still can open and close the operation to the door externally, and application scope is wide, and the security is high, and monitoring effect is good;
2. establish multilayer composite construction with the filter layer, from top to bottom be large aperture filter screen, filter sponge, activated carbon layer, mesopore filter screen in proper order, combine the small aperture filter screen of filter layer below, can filter the water that flows into in the monitoring storehouse, multilayer composite construction, the filter effect is good.
Drawings
FIG. 1 is a schematic structural diagram of a groundwater monitoring device for tunnel construction in a karst region;
FIG. 2 is a schematic view of an axial view of a groundwater monitoring device for tunnel construction in a karst area;
FIG. 3 is a schematic view of an axial view connection structure of a side sliding seat and a sealing cover plate in an underground water monitoring device for tunnel construction in a karst area;
FIG. 4 is a schematic diagram of a side-view connecting structure of a side sliding seat and a sealing cover plate in a groundwater monitoring device for tunnel construction in a karst region.
In the figure: 1. a drilling mechanism; 11. a drill stem; 12. a drill bit; 2. monitoring a bin; 21. sealing the sliding shaft; 211. a gasket; 22. monitoring the bin water inlet; 23. a rubber pad; 3. a monitoring mechanism; 31. mounting a box; 32. a pressure sensor; 33. monitoring the membrane; 34. a filter screen; 35. a composite filter layer; 4. a bin gate opening and closing mechanism; 41. a mounting frame; 42. a servo motor; 43. a screw rod; 44. a slide base; 5. a bin gate.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
As shown in the combined drawings 1-4, the utility model provides a groundwater monitoring device for tunnel construction in karst areas, which comprises a drilling mechanism 1 and a monitoring bin 2 detachably connected with the drilling mechanism 1, wherein the drilling mechanism 1 comprises a drill rod 11 and a drill bit 12, the drill rod 11 is connected with the drill bit 12, the monitoring bin 2 is arranged at one end far away from the drill bit 12, the monitoring bin 2 is internally provided with a monitoring mechanism 3 at one end near the drill rod 11, the monitoring mechanism 3 comprises a plurality of mounting boxes 31 uniformly distributed at equal intervals, the top end of the mounting box 31 is fixedly provided with a monitoring diaphragm 33, the mounting box 31 is internally provided with a pressure sensor 32 contacting with the monitoring diaphragm 33, the monitoring bin 2 is provided with a monitoring bin water inlet 22 corresponding to the monitoring mechanism 3, the inner side of the monitoring bin water inlet 22 is fixedly provided with a sealing sliding shaft 21, the inner side of the sealing sliding shaft 21 is connected with a bin door 5 in a sliding manner, the inboard one end of keeping away from monitoring mechanism 3 in monitoring storehouse 2 has set firmly door starting and stopping mechanism 4, and door starting and stopping mechanism 4 includes and installs the servo motor 42 at monitoring storehouse 2 inner wall through mounting bracket 41, and servo motor 42's output transmission is connected with lead screw 43, and the outside threaded connection of lead screw 43 has slide 44, and slide 44 is connected with door 5, and pressure sensor 32 and servo motor 42 all with external power source electric connection.
Specifically, a filter screen 34 and a composite filter layer 35 are fixedly arranged on the inner side of the monitoring bin 2 and right above the monitoring mechanism 3, the composite filter layer 35 is arranged above the filter screen 34, the composite filter layer 35 is of a multi-layer composite structure and comprises a first filter screen layer, a sponge filter layer, an activated carbon filter layer and a second filter screen layer from top to bottom in sequence; first filter layer, second filter layer all adopt the filter screen structure, combine together with filter screen 34, and the filter screen footpath reduces from top to bottom in proper order, so, can filter the water that flows into in monitoring storehouse 2, multilayer composite construction, the filter effect is good, makes the water that flows into in monitoring storehouse 2 cleaner to reduce the deposit of monitoring storehouse 2 interior impurity, the clearance of being convenient for.
Combine fig. 2 to show, the inboard one end bonding that is close to drilling rod 11 of monitoring storehouse water inlet 22 has set firmly rubber pad 23, the bonding face of rubber pad 23 is the slope structure, move left because of door 5 and open monitoring storehouse 2, move right and close monitoring storehouse 2, consequently, rubber pad 23 is slope right, and length downwardly extending to in monitoring storehouse 2, so, move right at door 5 and close when monitoring storehouse 2, can press rubber pad 23 between door 5 outer wall and monitoring storehouse 2 inner walls, utilize the deformability and the elasticity of rubber pad 23, increase door 5's sealed effect.
Specifically, the inside of sealed slide-shaft 21 has seted up "protruding" font spout, and the both ends of door 5 are with spout assorted "protruding" font structure, have the spacing effect of good direction.
Specifically, a seal gasket 211 is fixedly bonded to the inner side of the convex sliding groove of the seal sliding shaft 21; has good sealing effect.
Specifically, the inner wall of the sliding seat 44 is fixedly provided with a thread groove matched with the thread bulge on the outer wall of the screw rod 43, so that the rotation of the screw rod 43 can drive the sliding seat 44 in threaded connection with the screw rod 43 to horizontally move along the screw rod 43, thereby driving the bin gate 5 connected with the sliding seat 44 to move left and right, and realizing the opening and closing of the monitoring bin water inlet 22.
The utility model discloses a theory of operation is: firstly, drilling by adopting a drill bit 12 and a drill rod 11, after drilling to a corresponding depth, starting a servo motor 42, driving a screw rod 43 to rotate by utilizing the servo motor 42, thereby driving a sliding seat 44 in threaded connection with the screw rod 43 to horizontally move along the screw rod 43, further driving a bin door 5 connected with the sliding seat 44 to horizontally slide on the inner side of a sealing sliding shaft 21, opening a monitoring bin 2, exposing a monitoring mechanism 3 at the moment, filtering soil and sand by water through a composite filtering layer 35, filtering other impurities through a filtering net 34, directly acting the filtered water on a monitoring membrane 33, enabling the monitoring membrane 33 to deform, wherein when the pressure is larger, the deformation of the monitoring membrane 33 is transmitted to a pressure sensor 32 tightly attached to the monitoring membrane 33, the pressure sensor 32 transmits the water pressure received by the monitoring membrane 33 through corresponding voltage and then transmits the water pressure to a computer through a lead wire, operators can directly and clearly know the water pressure of the cavity behind the lining, the reaction is rapid, and the selection of grouting parameters is conveniently and timely guided; after the test, the testing device is taken out, the cavity water test of the next place can be carried out, the monitoring diaphragm 33 of the resin material is not easy to damage and can be repeatedly utilized, and the multilayer composite filter layer 35 and the filter screen 34 play a certain protection role for the monitoring mechanism 3, the utility model discloses install the monitoring mechanism 3 in the monitoring bin 2 connected with the drill rod 11, the bin gate 5 adopts the structure of horizontal sliding opening, the automatic opening and closing of the bin gate 5 is realized by the working principle of the screw rod sliding table, when the drilling mechanism 1 drills deeply, the bin gate 5 can still be opened and closed externally, the application range is wide, the safety is high, the monitoring effect is good, compared with the manual opening and closing of the bin gate 5, if the bin gate 5 needs to be opened and closed manually, the monitoring bin 2 needs to be taken out from the drilled hole, the bin gate 5 is opened, and then the monitoring bin 2 is put into the hole, in this process, door 5 is in the open mode, has impurity ash layer to get into in monitoring storehouse 2, influences the precision of testing result, and the operation is comparatively loaded down with trivial details.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a groundwater monitoring devices for karst area tunnel construction, including drilling mechanism (1) and with drilling mechanism (1) can dismantle monitoring storehouse (2) of connection, a serial communication port, drilling mechanism (1) includes drilling rod (11) and drill bit (12), drilling rod (11) with drill bit (12) are connected, monitoring storehouse (2) are installed and are kept away from the one end of drill bit (12), the inside in monitoring storehouse (2) is close to the one end of drilling rod (11) is provided with monitoring mechanism (3), monitoring mechanism (3) include a plurality of equidistance evenly distributed's mounting box (31), the top of mounting box (31) has set firmly monitoring diaphragm (33), the inside of mounting box (31) set firmly with pressure sensor (32) that monitoring diaphragm (33) contacted, set up on monitoring storehouse (2) with monitoring mechanism (3) corresponding monitoring storehouse water inlet (22), the inboard of monitoring storehouse water inlet (22) has set firmly sealed slide shaft (21), the inboard sliding connection of sealed slide shaft (21) has door (5), the inboard in monitoring storehouse (2) is kept away from the one end of monitoring mechanism (3) has set firmly door operating mechanism (4), door operating mechanism (4) are including installing through mounting bracket (41) servo motor (42) of monitoring storehouse (2) inner wall, the output transmission of servo motor (42) is connected with lead screw (43), the outside threaded connection of lead screw (43) has slide (44), slide (44) with door (5) are connected, pressure sensor (32) with servo motor (42) all with external power source electric connection.
2. A groundwater monitoring device for tunnel construction in karst areas according to claim 1, characterized in that a filter screen (34) and a composite filter layer (35) are fixedly arranged on the inner side of the monitoring bin (2) right above the monitoring mechanism (3), and the composite filter layer (35) is arranged above the filter screen (34).
3. A groundwater monitoring device for tunnel construction in a karst region as claimed in claim 2, wherein the composite filter layer (35) is a multi-layer composite structure including a first filter mesh layer, a sponge filter layer, an activated carbon filter layer and a second filter mesh layer from top to bottom.
4. A groundwater monitoring device for tunnel construction in karst area as claimed in claim 1, wherein a rubber pad (23) is bonded and fixed at one end of the inner side of the water inlet (22) of the monitoring bin close to the drill rod (11).
5. A groundwater monitoring device for tunnel construction in karst area according to claim 1, wherein the inside of the sealing sliding shaft (21) is provided with a chute shaped like a Chinese character 'tu', and two ends of the bin gate (5) are in a structure shaped like a Chinese character 'tu' matched with the chute.
6. A groundwater monitoring device for tunnel construction in a karst region as claimed in claim 5, wherein a sealing gasket (211) is adhesively fixed to an inner side of the groove in the shape of a Chinese character 'tu' of the seal sliding shaft (21).
7. A groundwater monitoring device for tunnel construction in a karst region as claimed in claim 1, wherein a thread groove matched with the thread protrusion on the outer wall of the screw rod (43) is fixedly arranged on the inner wall of the sliding seat (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315500.0U CN217440013U (en) | 2022-05-30 | 2022-05-30 | A groundwater monitoring devices for karst area tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315500.0U CN217440013U (en) | 2022-05-30 | 2022-05-30 | A groundwater monitoring devices for karst area tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440013U true CN217440013U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315500.0U Active CN217440013U (en) | 2022-05-30 | 2022-05-30 | A groundwater monitoring devices for karst area tunnel construction |
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| Country | Link |
|---|---|
| CN (1) | CN217440013U (en) |
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2022
- 2022-05-30 CN CN202221315500.0U patent/CN217440013U/en active Active
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