CN217872930U - Burying device for installing osmometer in existing tunnel - Google Patents
Burying device for installing osmometer in existing tunnel Download PDFInfo
- Publication number
- CN217872930U CN217872930U CN202220999323.6U CN202220999323U CN217872930U CN 217872930 U CN217872930 U CN 217872930U CN 202220999323 U CN202220999323 U CN 202220999323U CN 217872930 U CN217872930 U CN 217872930U
- Authority
- CN
- China
- Prior art keywords
- water
- osmometer
- wall
- pipe
- sealing cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a bury device underground at existing tunnel installation osmometer, including setting up the installation hole in the lining cutting and being used for burying the body of osmometer underground, the sense terminal of this body stretches into the installation hole bottom that is close in the lining cutting, the osmometer stretches out and extends to the bottom of installation hole along the sense terminal of body, is located installation hole oral area one side and is connected with annular joint supporting part, annular joint supporting part passes through expansion bolts to be fixed on the surface of lining cutting, is provided with the detection delivery outlet on the central outer wall of annular joint supporting part, and the osmometer passes through the cable conductor and is connected with the detection delivery outlet interval distribution has a plurality of rubber staple bolt on the outer wall of stifled water cavity pipe, has detained the rubber packing cup under every rubber staple bolt. The utility model discloses an bury device underground and effectively bury osmometer underground to this bury device underground can be to the interior infiltration of tunnel place effectively block up water completely, simultaneously can real-time supervision tunnel lining outer loop water pressure.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, concretely relates to bury device underground at existing tunnel installation osmometer.
Background
Tunnels excavated in typical karst landform provinces such as the Gui, the Qian, the Dian and the like inevitably pass through bad sections such as broken zones or water falling holes, and in rainy seasons, rainwater directly flows down from cracks, and tunnel linings under the sections bear huge water pressure. At this time, the tunnel is susceptible to leakage, cracking and other diseases. Once the water pressure is too high, the lining structure is damaged, and huge potential safety hazards can be generated. Therefore, the outer ring water pressure of the section is monitored and early warned in real time, and drainage and pressure relief are very important when the water pressure reaches an early warning value.
Chinese patent document CN1089515195A discloses a burying structure and a burying method for a pore water pressure gauge, which comprises presetting a pre-buried pipe with a diameter smaller than that of a drilling hole or a burying sleeve at a preset position of a soil layer to be measured in the soil layer, filling the pre-buried pipe with fine sand, and finally filling clay to fill the outer side of the pre-buried pipe for hole sealing. However, the method is only suitable for downward drilling detection, has small water pressure, cannot seep water upwards, is not suitable for tunnels with serious water seepage, only fills gaps in the tunnels with clay and the melon and rice stones, and cannot stop water seepage under the condition of large and constant water flow.
Chinese patent document CN 1122849A discloses a monitoring device and method for measuring the external water pressure of a lining of a deep-buried tunnel, which drills holes in the side wall of the deep-buried tunnel along the horizontal direction, then puts osmometers in sequence at different distances from the holes, and fills the adjacent osmometers with bentonite or cement slurry. However, in this method, when the osmometers are placed in the apparatus and the deep osmometers are damaged and need to be replaced, a plurality of the osmometers in the shallow layer need to be taken out. Meanwhile, when the water pressure is high, the bentonite or the cement paste is easy to be flushed out of the holes, and under the condition of water seepage, the water pressure meter is difficult to monitor the real water pressure. When monitoring data is too big, the device also can't play the pressure release effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, a bury device underground at existing tunnel installation osmometer is provided, can real-time supervision water pressure to play the effect of pressure release when water pressure is too big. For realizing the purpose of the utility model, the utility model adopts the following technical proposal:
an embedding device for installing an osmometer in an existing tunnel comprises an installation hole formed in a lining and a pipe body used for embedding the osmometer, wherein the detection end of the pipe body extends into the bottom of the installation hole close to the lining, the osmometer extends out along the detection end of the pipe body and extends to the bottom of the installation hole, the fixed end of the pipe body extends towards one side of the opening of the installation hole, one side of the opening of the installation hole is connected with an annular clamping support part, the annular clamping support part is fixed on the surface of the lining through an expansion bolt, the fixed end of the pipe body is installed on the surface of the lining through an annular clamping support part, a detection output port is formed in the central outer wall of the annular clamping support installation part, and the osmometer is connected with the detection output port through a cable; the pipe body comprises a water blocking cavity pipe, an inner pipe and a fixing cylinder which are sequentially sleeved from outside to inside, a plurality of rubber hoops are distributed on the outer wall of the water blocking cavity pipe at intervals, and a rubber leather cup is buckled below each rubber hoop.
Further, the stifled water cavity pipe run through in the installation hole, the both ends opening of stifled water cavity pipe, the inner tube run through in stifled water cavity is intraductal, the sense terminal of inner tube sets up a solid fixed cylinder place the osmometer in the solid fixed cylinder, the one end of output connecting cable line of osmometer, the other end of cable line pass the preformed hole and the detection delivery outlet of closing cap are connected, stifled water cavity pipe sets up in oral area one side that is close to the installation hole annular joint supporting part, the surface at the lining cutting is fixed to the stiff end annular joint supporting part of stifled water cavity pipe.
Further, the inner ring center of annular joint supporting part is connected with the closing cap be provided with the preformed hole on the closing cap the stiff end and the closing cap swing joint of water shutoff cavity pipe, the stiff end of inner tube is contradicted on the inner wall of closing cap set up the detection delivery outlet on the closing cap.
Further, be provided with the internal thread on the stiff end inner wall of stifled water cavity pipe the inside wall of the closing cap of closing cap is provided with connecting portion, and the outer wall of connecting portion is provided with the external screw thread, and the stiff end of this stifled water cavity pipe carries out threaded connection through the connecting portion of internal thread and closing cap.
Furthermore, a plurality of water seepage ports are arranged on the periphery of the detection end of the water blocking cavity pipe, and each water seepage port is located on the same circumference.
Furthermore, a plurality of water seepage holes are formed in the fixed cylinder wall, a filter layer is arranged in the fixed cylinder, and the filter layer is embedded on the fixed cylinder wall.
Furthermore, one end of the cable close to the preformed hole of the sealing cover is movably connected with a plugging head, and the plugging head is combined with water stop glue to fill a gap between the cable and the preformed hole of the sealing cover.
Furthermore, a hanging ring is arranged on the inner wall of one end, close to the sealing cover, of the inner pipe.
Further, the closing cap is provided with a screwing part, the screwing part is of a hexagonal structure, and a detection output port is arranged on the outer wall of the center of the screwing part.
To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:
the utility model discloses a bury device underground can effectively bury osmometer underground to this bury device underground can carry out effectively stifled water completely to the tunnel internal water seepage place, simultaneously can real-time supervision tunnel lining outer loop water pressure. The device not only can play the effect of water pressure monitoring to when water pressure was too big, can also regard as the pressure release hole to use through tearing the closing cap out, when the tunnel internal pressure leaked to safe value, the inner tube that will place the hydromanometer again was arranged in wherein, continues monitoring water pressure. Compared with the traditional water pressure meter installation mode, the installation hole can be recycled for many times, the drilling quantity of the existing water seepage tunnel can be greatly reduced, and the damage of drilling to the tunnel lining is reduced.
If the traditional grouting plugging water pressure meter is used for grouting plugging, gaps are easily left in holes if high-pressure grouting is not available, and aggregates can be washed out by grouting when the water pressure is too high, so that safe water plugging is difficult, the osmometer cannot be taken out when buried, and the osmometer can only be buried by punching again when damaged. The utility model overcomes above-mentioned defect even also can accomplish the prevention of seepage of blocking up water completely under big water pressure washes, the osmometer can take out the change at any time simultaneously, and this device also can regard as pressure release hole help drainage when water pressure is too big, reduces drilling quantity. This device make full use of the advantage of meeting water auto-lock of stifled water cavity pipe, it is effectual not only to stagnant water, can reduce the drilling quantity in infiltration tunnel moreover, reduces the destruction of tunnel lining structure.
Drawings
FIG. 1 is a schematic view of the structure of the burying device of the present invention;
FIG. 2 is a schematic structural view of the water blocking cavity pipe of the present invention;
FIG. 3 is a schematic view of the inner tube structure of the present invention;
FIG. 4 is a schematic view of the structure of the cover of the present invention;
in the drawing, a pipe body 1, an inner pipe 2, an osmometer 3, a lining 4, a sealing cover 5, an installation hole 6, a plugging head 7, a cable 8, a water plugging cavity pipe 101, a rubber cup 102, a rubber hoop 103, a water seepage port 104, an internal thread 105, an annular clamping support part 106, an expansion bolt 107, a hanging ring 201, a fixed cylinder 202, a filter layer 203, a water seepage hole 204, an external thread 501, a connecting part 502, a preformed hole 503, a screwing part 504 and a detection output port 505.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. However, it should be noted that the numerous details set forth in the description are merely intended to provide a thorough understanding of one or more aspects of the invention, even though such aspects of the invention may be practiced without these specific details.
Example 1
As shown in fig. 1-4, an embedding device for installing osmometers in an existing tunnel comprises a mounting hole 6 arranged in a lining 4 and a pipe body 1 for embedding the osmometer 3, wherein a detection end of the pipe body 1 extends into the bottom of the mounting hole 6 close to the lining 4, the osmometer 3 extends out along the detection end of the pipe body 1 and extends to the bottom of the mounting hole 6, a fixed end of the pipe body 1 extends towards one side of a mouth part of the mounting hole 6, one side of the mouth part of the mounting hole 6 is connected with an annular clamping support part 106, the pipe body 1 comprises a water-blocking cavity pipe 101, an inner pipe 2 and a fixed cylinder 202 which are sequentially sleeved from outside to inside, a plurality of rubber hoops 103 (preferably 3-20 rubber hoops) are distributed at intervals on the outer wall of the water-blocking cavity pipe 101, and a rubber cup 102 is buckled below each rubber hoop 103; the water blocking cavity pipe 101 penetrates through the installation hole 6, two ends of the water blocking cavity pipe 101 are open, the inner pipe 2 penetrates through the water blocking cavity pipe 101, one side of the water blocking cavity pipe 101, which is close to the opening of the installation hole 6, is provided with an annular clamping support portion 106, the fixed end of the water blocking cavity pipe 101 is fixed on the surface of a lining, the center of an inner ring of the annular clamping support portion 106 is connected with a sealing cover 5, a reserved hole 503 is formed in the sealing cover 5, the inner wall of the fixed end of the water blocking cavity pipe 101 is provided with an internal thread 105, the outer wall of a connecting portion 502 of the sealing cover 5 is provided with an external thread 501, the fixed end of the water blocking cavity pipe 101 is in threaded connection with the inner wall of the sealing cover 5 through the internal thread 105, in order to open the sealing cover 5, the sealing cover 5 is provided with a screwing portion 504, the screwing portion 504 is of a hexagonal structure, the central outer wall of the screwing portion is provided with a detection output port 505, the fixed end of the inner pipe 2 is abutted to the inner wall of the connecting portion 502 of the sealing cover 5, a detection end of the inner pipe 2 is provided with a fixing cylinder 202, the osmometer 3 is placed in the fixing cylinder 202, the output end of the osmometer 3 is connected with one end of a cable 8, and the other end of the cable 5 penetrates through the reserved hole 505, and is connected with the detection output port 503 of the detection port 503; set up a plurality of infiltration mouths (preferably set up 4, 6, 8, 10, 12 infiltration mouths) in the periphery of the sense terminal of stifled water cavity pipe 101, every infiltration mouth is located same circumference, for the ease of osmometer detects lining country rock water pressure, sets up infiltration hole 204 (preferably set up 3-50) on fixed section of thick bamboo 202 wall, for preventing that silt particle from damaging the osmometer, is provided with filter layer 203 in fixed section of thick bamboo 202, and filter layer 203 inlays on fixed section of thick bamboo 202 inner wall. In order to prevent the cable 8 from leaking through the hole of the sealing cover 5, a plugging head 7 is movably connected to one end of the cable 8 close to the preformed hole 503 of the sealing cover 5, and the plugging head 7 is combined with water-stop glue to fill the gap between the cable 8 and the preformed hole 503 of the sealing cover 5. In order to facilitate the removal of the inner tube 2, a hanging ring 201 is provided on the inner wall of the inner tube 2 near the end of the cover 5.
The installation method of the embedding device for installing the osmometer in the existing tunnel mainly comprises the following steps:
(1) Drilling a hole in the water seepage position of the tunnel lining 4 to a surrounding rock contact surface by using drilling equipment, wherein the diameter of the mounting hole 6 is required to be smaller than the outer diameter of the pipe body 1 by a plurality of millimeters, and the diameter of the mounting hole 6 is required to be smaller when the water pressure is higher;
(2) Cleaning up silt in the installation hole 6, coating grease on the hole wall or the rubber leather cup 102 and the rubber anchor ear 103 of the water-blocking cavity pipe 101 to prevent the rubber cylinder from being damaged, then driving the water-blocking cavity pipe 101 into the hole, and fixing the annular clamping support part 106 of the water-blocking cavity pipe 101 on the lining 4 by using an expansion bolt 107;
(3) The osmometer 3 is placed in a fixed cylinder 202 at the detection end of the inner tube 2, the cable 8 is pulled out from the inner tube 2, then the cable passes through the plugging head 7 and the preformed hole 503 of the sealing cover 5, and the gap between the cable 8 and the preformed hole 503 is filled with the water stop glue to prevent the water seepage at the preformed hole 503;
(4) After the water stop glue is solidified, the inner pipe 2 provided with the osmometer 3 is placed into the water blocking cavity pipe 101, then the sealing cover 5 is screwed into the fixed end part of the water blocking cavity pipe 101 to block water seepage, and the water pressure of the outer ring of the lining 4 is monitored;
(5) When the monitored water pressure data is overlarge, the sealing cover 5 can be screwed out, the osmometer 3 and the inner tube 2 are taken out, water flows out from the inside of the water-blocking cavity tube 101 to achieve the pressure relief effect, the osmometer 3 and the inner tube 2 are placed into the water-blocking cavity tube 101 after the pressure relief is finished, the sealing cover 5 is screwed in, and the water pressure is continuously monitored;
when the osmometer 3 is damaged and needs to be replaced, the sealing cover 5 can be screwed out, the osmometer 3 is replaced, the installation is carried out according to the steps (3) and (4), and the water pressure of the outer ring of the lining is monitored.
To summer up, the utility model discloses an bury device underground can be in the disease of existing tunnel elimination tunnel seepage, fracture to the device construction method is simple and convenient, need not large-scale complicated mechanical equipment, and it is strong to have impervious ability, and hole used repeatedly's characteristics simultaneously when monitoring hydraulic, has the function of pressure release, avoids punching many times to cause the lining cutting structure to destroy, and the device is practical strong, but the wide use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The embedding device is characterized by comprising an installation hole formed in a lining and a pipe body used for embedding the osmometer, wherein the detection end of the pipe body extends into the bottom of the installation hole close to the lining, the osmometer extends out along the detection end of the pipe body and extends to the bottom of the installation hole, the fixed end of the pipe body extends towards one side of the opening of the installation hole, one side of the opening of the installation hole is connected with an annular clamping support part, the annular clamping support part is fixed on the surface of the lining through an expansion bolt, the fixed end of the pipe body is installed on the surface of the lining through the annular clamping support part, a detection output port is formed in the central outer wall of the annular clamping support part, and the osmometer is connected with the detection output port through a cable; the body includes that the outside-in overlaps the water shutoff cavity pipe, inner tube and the solid fixed cylinder of establishing in proper order it has a plurality of rubber staple bolt to distribute at interval on the outer wall of water shutoff cavity pipe, and it has the rubber packing cup to detain under every rubber staple bolt.
2. An embedding device for installing an osmometer in an existing tunnel according to claim 1, wherein the water-blocking cavity pipe penetrates through the installation hole, the two ends of the water-blocking cavity pipe are open, the inner pipe penetrates through the water-blocking cavity pipe, the detection end of the inner pipe is arranged in the fixing cylinder, the osmometer is placed in the fixing cylinder, the output end of the osmometer is connected with one end of the cable, the other end of the cable passes through a preformed hole of the sealing cover to be connected with the detection output port, the water-blocking cavity pipe is arranged on one side of the opening close to the installation hole, and the annular clamping supporting part at the fixed end of the water-blocking cavity pipe is fixed on the surface of the lining.
3. An embedding device for installing osmometers in existing tunnels according to claim 1 or 2, wherein a sealing cover is connected to the center of the inner ring of the annular clamping support part, a reserved hole is formed in the sealing cover, the fixed end of the water blocking cavity pipe is movably connected with the sealing cover, the fixed end of the inner pipe abuts against the inner wall of the sealing cover, and a detection output port is formed in the sealing cover.
4. An embedding apparatus for installing an osmometer in an existing tunnel according to claim 3, wherein an internal thread is provided on an inner wall of the fixing end of the water blocking cavity pipe, a connecting portion is provided on an inner wall of the sealing cover, an external thread is provided on an outer wall of the connecting portion, and the fixing end of the water blocking cavity pipe is threadedly connected to the connecting portion of the sealing cover through the internal thread.
5. An embedding apparatus for installing osmometers in existing tunnels according to claim 3, wherein a plurality of water permeating holes are provided at the outer periphery of the detection end of the water blocking cavity pipe, each water permeating hole being located on the same circumference.
6. A burying device for installing osmometers in an existing tunnel according to claim 3, wherein a plurality of water seepage holes are provided in the wall of said fixed cylinder, and a filter layer is provided in said fixed cylinder, said filter layer being embedded in the inner wall of said fixed cylinder.
7. A burying device for installing an osmometer in an existing tunnel according to claim 3, wherein a plugging head is movably connected to one end of the cable near the preformed hole of the sealing cover, and the plugging head is combined with a water stop glue to fill the gap between the cable and the preformed hole of the sealing cover.
8. An embedding apparatus for installing osmometers in an existing tunnel according to claim 3, wherein a hanging ring is provided on the inner wall of the inner pipe at the end close to the cover.
9. An embedding apparatus for installing osmometers in existing tunnels according to claim 3, wherein the cover is provided with a tightening part having a hexagonal structure, and a detection output port is provided on a central outer wall of the tightening part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999323.6U CN217872930U (en) | 2022-04-27 | 2022-04-27 | Burying device for installing osmometer in existing tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999323.6U CN217872930U (en) | 2022-04-27 | 2022-04-27 | Burying device for installing osmometer in existing tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217872930U true CN217872930U (en) | 2022-11-22 |
Family
ID=84090469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220999323.6U Active CN217872930U (en) | 2022-04-27 | 2022-04-27 | Burying device for installing osmometer in existing tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217872930U (en) |
-
2022
- 2022-04-27 CN CN202220999323.6U patent/CN217872930U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109629566B (en) | Vacuum drainage anchor rod and construction method thereof | |
| CN100557146C (en) | Fast plugging device for deep foundation pit precipitation well | |
| CN109881694A (en) | A kind of constructing structure blocked for foundation pit substrate Sand and method | |
| CN204875933U (en) | Deep pressure -bearing artesian well shutoff system | |
| CN106894428A (en) | Multi-channel waterproof plugging method for dewatering well of thick and large raft foundation | |
| CN103821114B (en) | A kind of reservoir culvert method for blocking discarded under seepage pressure effect | |
| CN203702071U (en) | Water inrush preventing drill ejecting device for water exploration and grouting construction of vertical shaft | |
| CN217872930U (en) | Burying device for installing osmometer in existing tunnel | |
| CN107237339A (en) | A kind of concrete cut increases leakage preventing structure and its construction method | |
| CN206438515U (en) | A kind of device for plugging being used in artesian area's pile-anchor supporting system | |
| CN210049864U (en) | Packer grouting layered water stop simulation device | |
| CN102979105A (en) | Underground water control method of wellhole grouting and seepage insulation | |
| CN107816041B (en) | Non-dumping hole-forming prestressed anchor rod, anchor hole leakage-proof structure and construction method thereof | |
| CN106638644B (en) | A kind of deep sand gravel layer provisions for grouting and the method for carrying out comprehensive grouting using the device | |
| CN210684746U (en) | Modified precipitation well plugging device | |
| CN114197508B (en) | Easy-to-seal water draining device, manufacturing method and using method thereof | |
| CN105735937A (en) | Plugging device for water-inrush borehole by filtration flow and pressure relief of hole wall and grouting and fixing of in-hole bushing | |
| CN115928684A (en) | Device and method for mounting pore water pressure gauge in soft soil layer | |
| CN211548894U (en) | Grouting head | |
| CN110055963B (en) | Construction process of anchor rod below groundwater level | |
| CN210003330U (en) | stifled row of rich water tunnel convertible type combines supporting construction | |
| CN201144424Y (en) | Fast plugging device for deep foundation pit dewatering well | |
| CN208346871U (en) | Block type lifts deformation observing device | |
| CN207032325U (en) | A kind of seepage treatment device | |
| KR100302853B1 (en) | Treatment device of underground water closed hole and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |