CN110260922B - Gush water drilling and seal monitoring structure - Google Patents
Gush water drilling and seal monitoring structure Download PDFInfo
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- CN110260922B CN110260922B CN201910610612.5A CN201910610612A CN110260922B CN 110260922 B CN110260922 B CN 110260922B CN 201910610612 A CN201910610612 A CN 201910610612A CN 110260922 B CN110260922 B CN 110260922B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention provides a water burst drilling hole sealing monitoring structure which comprises a hole opening pipe arranged at a drilling hole opening, a monitor, a rubber cushion plate, a limiting pressing plate and anchoring pieces, wherein the rubber cushion plate is hermetically covered on a port of the hole opening pipe, the monitor is arranged on one side of the rubber cushion plate, which faces the hole opening pipe, extends into the hole opening pipe, the monitor is connected with external monitoring equipment through a conducting wire which penetrates through the inside of the rubber cushion plate hermetically, the limiting pressing plate is pressed on the rubber cushion plate, the lower end of each anchoring piece is fixedly arranged in a stratum at the periphery of the drilling hole, and the upper end of each anchoring piece is connected with the limiting pressing plate. The invention can realize the sealing of water gushing from the port of the orifice pipe, and can realize the long-term monitoring of the confined water in the bore hole by the monitor arranged in the bore hole while plugging, thereby effectively monitoring the plugging of the gushing bore hole and the water temperature and water pressure, and ensuring the validity of monitoring data.
Description
Technical Field
The invention relates to the field of hydrogeological monitoring equipment, in particular to a water burst drilling hole closed monitoring structure.
Background
In engineering investigation and drilling, the groundwater in a drill hole is often required to be observed for a long time, parameters such as the temperature and the water pressure of the groundwater with low pressure are generally observed, the groundwater does not flow out of an orifice of the drill hole, and a groundwater temperature and water pressure monitoring device adopts a monitoring instrument to be lowered into the drill hole to implement long-term monitoring. However, when the water temperature and the water pressure of the confined water need to be monitored in some special parts or areas with large orifice pressure and large water inflow, a monitoring instrument is difficult to drop into a hole, and when water inflow in a drill hole is not closed, only the water temperature and the water pressure of the orifice part can be monitored, the accuracy of monitored data is poor, and the purpose of effective monitoring cannot be achieved.
Disclosure of Invention
The invention aims to provide a water inrush borehole sealing monitoring structure which can realize long-term monitoring of the water temperature and the water pressure of confined water in a water inrush borehole.
The technical scheme adopted by the invention for solving the technical problems is as follows: gush water drilling and seal monitoring structure, including installing in the orifice pipe in drilling drill way, still include monitor, rubber tie plate, spacing clamp plate and anchor assembly, the rubber tie plate covers sealedly and establishes on the port of orifice pipe, the monitor is installed on one side of rubber tie plate towards the orifice pipe to the monitor stretches into in the orifice pipe, the monitor is connected with outside monitoring facilities through the wire of passing from rubber tie plate inside with sealed ground, spacing clamp plate pressure is established on rubber tie plate, anchor assembly is provided with a plurality ofly, and a plurality of anchor assemblies set up along the periphery of drilling, and the lower extreme fixed mounting of every anchor assembly is in the stratum of drilling periphery, and anchor assembly's upper end is connected with spacing clamp plate.
Further, the method comprises the following steps: the rubber backing plate is provided with two layers, the monitor is installed on the rubber backing plate located on the lower layer, and the wire clamp is arranged between the two layers of rubber backing plates.
Further, the method comprises the following steps: and a clamping groove for arranging the lead is arranged on at least one layer of rubber base plate.
Further, the method comprises the following steps: the limiting pressing plate comprises a cushion layer pressing plate and a force application pressing plate, the cushion layer pressing plate is directly pressed on the rubber base plate, the force application pressing plate is pressed on the cushion layer pressing plate, and two ends of the force application pressing plate are connected with anchoring parts arranged at corresponding ends respectively after protruding from the side edges of the cushion layer pressing plate.
Further, the method comprises the following steps: the force application pressing plates comprise at least one transverse force application pressing plate and at least one longitudinal force application pressing plate, and two ends of each transverse force application pressing plate and two ends of each longitudinal force application pressing plate are respectively and correspondingly provided with an anchoring part; the longitudinal force application pressing plate is directly pressed on the cushion layer pressing plate, and the transverse force application pressing plate is pressed on the longitudinal force application pressing plate.
Further, the method comprises the following steps: the transverse force application pressing plates are symmetrically distributed relative to the radial center line of the orifice pipe, and the longitudinal force application pressing plates are symmetrically distributed relative to the radial center line of the orifice pipe.
Further, the method comprises the following steps: the anchoring part corresponding to the longitudinal force application pressing plate is an expansion screw, and the lower end of the expansion screw is anchored in the stratum; the anchoring part corresponding to the transverse force application pressing plate is a grouting anchor rod, the lower end of the grouting anchor rod is grouted and anchored in the stratum, and the anchoring depth of the grouting anchor rod is not less than 1.5 m.
Further, the method comprises the following steps: the upper end of the anchoring part is provided with a thread section, the limiting pressure plate is provided with a through hole allowing the upper end of the anchoring part to pass through, and the upper end of the anchoring part is sleeved with a nut after passing through the limiting pressure plate.
Further, the method comprises the following steps: the limiting pressing plate is a steel plate.
Further, the method comprises the following steps: the thickness of the steel plate is 20 mm.
The invention has the beneficial effects that: after the water burst drilling hole sealing monitoring structure is arranged, the rubber base plate can be pressed down to the port of the orifice pipe through the limiting pressing plate, the anchoring piece and other structures, so that the water burst at the port of the orifice pipe is sealed, and the long-term monitoring of the confined water in the drilling hole can be realized by means of the monitor arranged in the drilling hole while the water burst drilling hole is sealed, so that the sealing of the water burst drilling hole and the monitoring of water temperature and water pressure can be effectively carried out, and the effectiveness of monitoring data is ensured. The invention has the advantages of simple structure, low cost and the like. In addition, by setting the combination form of the transverse force application pressing plate and the longitudinal force application pressing plate and simultaneously respectively adopting the expansion screw and the grouting anchor rod, the effect of quick installation in long-term stability is realized, and the long-term effectiveness of plugging the port of the orifice pipe is ensured.
Drawings
FIG. 1 is a schematic view of a water flood borehole closure monitoring structure according to the present invention;
FIG. 2 is a top view of FIG. 1;
labeled as: the device comprises an orifice pipe 1, a monitor 2, a rubber base plate 3, a limiting pressing plate 4, a cushion pressing plate 41, a force application pressing plate 42, a transverse force application pressing plate 421, a longitudinal force application pressing plate 422, an anchoring part 5, a lead 6, a stratum 7 and a nut 8.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 and 2, the water burst drilling hole sealing monitoring structure comprises a hole pipe 1 installed at a drilling hole, a monitor 2, a rubber cushion plate 3, a limiting pressure plate 4 and anchoring pieces 5, wherein the rubber cushion plate 3 is hermetically covered on a port of the hole pipe 1, the monitor 2 is installed on one side, facing the hole pipe 1, of the rubber cushion plate 3, the monitor 2 extends into the hole pipe 1, the monitor 2 is connected with external monitoring equipment through a lead 6 which penetrates through the rubber cushion plate 3 hermetically, the limiting pressure plate 4 is pressed on the rubber cushion plate 3, the anchoring pieces 5 are provided in plurality, the anchoring pieces 5 are arranged along the periphery of a drilling hole, the lower end of each anchoring piece 5 is fixedly installed in a stratum 7 on the periphery of the drilling hole, and the upper end of each anchoring piece is connected with the limiting pressure plate 4.
The rubber base plate 3 is hermetically covered on the port of the orifice pipe 1, and aims to seal the port of the orifice pipe 1 to seal water gushing from the port of the orifice pipe 1, and further seal water gushing from a drilling hole. Specifically, the rubber base plate 3 is pressed down through the limiting pressing plate 4, the pressing and sealing effect on the port of the port pipe 1 is realized by means of the characteristic that the rubber base plate 3 has elastic deformation after being made of rubber materials, and the limiting pressing plate 4 presses down the rubber base plate 3 through the corresponding anchoring piece 5; fix in bottom 7 through the lower extreme of anchor assembly 5, then through installing spacing clamp plate 4 spacing on anchor assembly 5 to this realizes the spacing installation to spacing clamp plate 4, and then realizes the effect of pushing down to rubber tie plate 3. More specifically, the rubber mat 3 of the present invention is preferably a cloth-sandwiched rubber mat.
The monitor 2 is used for monitoring corresponding parameters of water gushing inside the plugged orifice pipe 1, such as the water temperature, water pressure and other parameters of pressure water in the drilled hole; of course, the monitor 1 may include two parts, namely a water temperature monitor and a water pressure monitor. In addition, the monitor 2 of the present invention can be connected with an external monitoring device through a corresponding wire 6 to obtain corresponding data monitored by the monitor 2; without loss of generality, the wire 6 should ensure a certain sealing effect when passing through the rubber mat 3 to avoid water gushes leaking along the wire 6.
More specifically, referring to fig. 1, the monitor 2 is mounted on the rubber pad 3 located at the lower layer, that is, two rubber pads 3 are stacked, and the wire 6 is sandwiched between the two rubber pads 3. Therefore, only the monitor 2 is required to be arranged on the lower rubber base plate 3 and the perforation structure for the lead 6 to pass through is required to be arranged, and the upper rubber base plate 3 can be of a complete structure, so that the sealing effect can be ensured; and wire 6 is pressed from both sides and is established between two-layer rubber backing plate 3, and the effect of compressing tightly by the pushing down of spacing clamp plate 4 with the help of rubber backing plate 3 also can further press from both sides tight wire 6, and then further improves the sealed effect to wire 6, prevents to reveal the condition and takes place.
More specifically, in order to ensure the installation of the wire 6 between the two rubber packing plates 3, at least one rubber packing plate 3 may be further provided with a clamping groove for arranging the wire 6. Of course, grooves with approximately semicircular cross sections can be respectively arranged on the upper rubber backing plate 3 and the lower rubber backing plate 3, and approximately circular clamping grooves are formed after the grooves on the two sides are matched for placing the wires 6. In addition, the size of the clamping groove should be slightly smaller than the size of the wire 6 so as to clamp the wire 6 and ensure the sealing effect. In addition, the clamp groove can be further arranged to be nonlinear along the trend of the lead 6, even be bent, such as S-shaped or N-shaped, so as to further improve the sealing effect and prevent water gushing in the orifice pipe 1 from leaking along the lead 6.
More specifically, the limiting pressure plate 4 of the present invention may be a one-layer integral steel plate structure, wherein the middle part of the limiting pressure plate is pressed down on the rubber pad 3, and the periphery of the limiting pressure plate is directly connected with the anchoring member 5. In order to facilitate the assembly and disassembly, referring to the attached drawings, it is preferable that the limiting pressure plate 4 includes a combination structure of a cushion pressure plate 41 and a force applying pressure plate 42, the cushion pressure plate 41 is directly pressed on the rubber mat 3, the force applying pressure plate 42 is pressed on the cushion pressure plate 41, and two ends of the force applying pressure plate 42 are connected with the anchoring members 5 arranged at the corresponding ends respectively after protruding from the lateral edges of the cushion pressure plate 41. The cushion press plate 41 is used for uniformly dispersing the pressing force of the force applying press plate 42 pressing down the rubber cushion plate 3, and the force applying press plate 42 is directly connected with the anchoring member 5 to apply the pressing force to the cushion press plate 41. Because of the rubber backing plate 3 need adopt rubber materials to make, in order to have certain deformability, in order to ensure to say that can ensure through the deformation of rubber backing plate 3 when the rubber backing plate 3 pushes down on the tip of orifice pipe 1 to ensure to the port shutoff effect of orifice pipe 1, consequently the rubber backing plate 3 can not bear concentrated atress, so set up one deck bed course clamp plate 41 above the rubber backing plate 3 after, can exert the effort of pushing down to the rubber backing plate 3 through bed course clamp plate 41 evenly, ensure the effect of pushing down to the rubber backing plate 3. Of course, without loss of generality, the cushion press plate 41 should be made of a material having a certain structural strength, such as a steel plate; in addition, the size of the cushion pressing plate 41 should preferably be set to a size capable of completely covering the rubber pad 3, that is, the size of the cushion pressing plate 41 should be not smaller than the size of the rubber pad 3, so as to ensure that the rubber pad 3 can be completely covered and the uniform pressing effect on the whole rubber pad 3 is ensured.
After the cushion pressing plate 41 and the force applying pressing plate 42 are arranged, the downward pressing force acting on the rubber cushion plate 3 can be uniformly dispersed by the cushion pressing plate 41, so that the downward pressing force acting on the cushion pressing plate 41 by the force applying pressing plate 42 can be relatively concentrated, as shown in the drawing, the downward pressing force acts on the cushion pressing plate 41 by arranging the corresponding strip-shaped force applying pressing plate 42, and thus the force applying pressing plate 42 and the corresponding anchoring piece 5 can be more conveniently matched and connected.
Further, the urging plate 42 is connected to the anchor 5, and is capable of generating a pressing force to the lower cushion-laminated plate 41. Referring to the drawings, in the present invention, it is preferable that the force applying pressure plate 42 includes at least one transverse force applying pressure plate 421 and at least one longitudinal force applying pressure plate 422, and two ends of each transverse force applying pressure plate 421 and each longitudinal force applying pressure plate 422 are respectively and correspondingly provided with an anchoring member 5; the longitudinal force applying pressing plate 422 is directly pressed on the cushion pressing plate 41, and the transverse force applying pressing plate 421 is pressed on the longitudinal force applying pressing plate 422. The above-mentioned "transverse" and "longitudinal" indicate that the corresponding force-applying pressure plates are arranged to intersect vertically, as shown in the attached drawings; the arrangement can facilitate the distribution and installation of the anchoring parts 5 on one hand, and can form a criss-cross distribution type distribution mode of the force application pressing plates 42 on the other hand, thereby improving the effect of pressing the cushion pressing plate 41.
More specifically, when the corresponding lateral forcing presser 421 and the corresponding longitudinal forcing presser 422 are provided, the corresponding lateral forcing presser 421 is preferably disposed to be symmetrically distributed with respect to the center line in the radial direction of the orifice pipe 1, and the corresponding longitudinal forcing presser 422 is preferably disposed to be symmetrically distributed with respect to the center line in the radial direction of the orifice pipe 1. As shown in fig. 2, two longitudinal force application pressing plates 422 are provided, and the two longitudinal force application pressing plates 422 are symmetrically distributed in the left-right direction with respect to the corresponding radial center line of the orifice pipe 1 when viewed from the top, so that the pressing forces of the two longitudinal force application pressing plates 422 are approximately symmetrically distributed to ensure the balanced pressing action on the rubber base plate 3; a transverse force applying pressure plate 421 is also arranged, and the transverse force applying pressure plate 421 is directly pressed on the orifice pipe 1.
The anchoring piece 5 in the invention is anchored in the stratum 7 at the periphery of the drill hole for limiting installation of the limiting pressure plate 4 and providing support for applying downward pressing force to the rubber base plate 3 after the limiting pressure plate 4 is installed. In particular, the anchoring member 5 of the present invention may be in various forms, for example, an expansion screw or a grouting bolt may be used, and the lower end of the expansion screw and the lower end of the grouting bolt are anchored to the ground 7.
More specifically, when the lateral pressing plate 421 and the longitudinal pressing plate 422 are provided at the same time, the anchor 5 in the present invention takes the following specific arrangement: the anchoring piece 5 corresponding to the longitudinal force application pressing plate 422 is an expansion screw, and the lower end of the expansion screw is anchored in the stratum 7; the anchoring piece 5 corresponding to the transverse force application pressing plate 421 is a grouting anchor rod, the lower end of the grouting anchor rod is grouted and anchored in the stratum 7, and the anchoring depth of the grouting anchor rod is not lower than 1.5 m. The expansion screw has limited anchoring depth and strength due to the structure and can only be used for short-term anchoring, so that the expansion screw is matched with the longitudinal force application pressing plate 422, and the effect of quick anchoring and installation can be realized at the early stage of installation. The grouting anchor rod has higher anchoring depth and strength, and can ensure long-term stable anchoring by matching with the transverse anchor rod 421; of course, without loss of generality, the anchoring depth of the grouting anchor rod should meet corresponding anchoring requirements, and the anchoring depth of the grouting anchor rod is required to be not less than 1.5m in the invention. Thus, by respectively adopting the expansion screws and the grouting anchor rods and respectively matching with the longitudinal force application pressing plate 422 and the transverse force application pressing plate 421, the quick construction of anchoring installation can be realized, and the effect of stable anchoring for a long time can be realized.
In addition, in order to facilitate the installation of the limiting pressure plate 4 and the anchoring member 5, referring to the attached drawings, the upper end of the anchoring member 5 is further provided with a threaded section, the limiting pressure plate 4 is provided with a through hole for allowing the upper end of the anchoring member 5 to pass through, and the upper end of the anchoring member 5 is sleeved with a nut 8 after passing through the limiting pressure plate 4. The limiting pressure plate 4 is sleeved on the anchoring part 5 through the corresponding through hole, the nut 8 is sleeved on the limiting pressure plate 4, and the pressing action force can be further applied to the limiting pressure plate 4 by screwing the nut 8.
In addition, the limiting pressure plate 4 of the present invention needs to bear a corresponding pressing force, and therefore needs to have certain rigidity and strength, and in the present invention, a steel plate can be specifically adopted as the limiting pressure plate 4, and the thickness of the steel plate is preferably not less than 20mm, so as to ensure that the steel plate has sufficient rigidity and strength.
In addition, in the process of sealing and installing the rubber backing plate 3 and the limiting pressure plate 4 in the invention on the end part of the orifice pipe 1, if the water gushing pressure at the end part of the orifice pipe 1 is large, the rubber backing plate 3 and the limiting pressure plate 4 are pressed down in advance by external equipment in the installation process to block the water gushing at the end part of the orifice pipe 1, and then the corresponding nut 8 is installed to limit the limiting pressure plate 4. For example, in the installation process, the rubber base plate 3 and the limiting pressure plate 4 can be pressed down in advance by the aid of a vertical shaft of a drilling machine for drilling until the end part of the orifice pipe 1 is plugged, and then the corresponding nut 8 is sleeved; the vertical shaft of the drill is removed after all the nuts 8 have been installed.
Claims (10)
1. Gush water drilling and seal monitoring structure, including installing in the orifice pipe (1) in drilling orifice, its characterized in that: still include monitor (2), rubber tie plate (3), spacing clamp plate (4) and anchor assembly (5), rubber tie plate (3) are sealed to be covered and are established on the port of orifice pipe (1), monitor (2) are installed on one side of rubber tie plate (3) towards orifice pipe (1) to monitor (2) stretch into in orifice pipe (1), monitor (2) are connected with outside monitoring facilities through wire (6) that pass inside from rubber tie plate (3) sealedly, spacing clamp plate (4) are pressed and are established on rubber tie plate (3), anchor assembly (5) are provided with a plurality ofly, and a plurality of anchor assemblies (5) set up along the periphery of drilling, and the lower extreme fixed mounting of every anchor assembly (5) is in stratum (7) of drilling periphery, and the upper end of anchor assembly is connected with spacing clamp plate (4).
2. The water gushing borehole closure monitoring structure of claim 1, wherein: the monitoring instrument is characterized in that the rubber base plates (3) are provided with two layers, the monitoring instrument (2) is installed on the rubber base plates (3) located on the lower layer, and the wires (6) are clamped between the two layers of rubber base plates (3).
3. The water gushing borehole closure monitoring structure of claim 2, wherein: and a clamping groove for arranging the lead (6) is arranged on at least one layer of the rubber base plate (3).
4. The water gushing borehole closure monitoring structure of claim 1, wherein: spacing clamp plate (4) are including bed course clamp plate (41) and application of force clamp plate (42), bed course clamp plate (41) are directly pressed and are established on rubber backing plate (3), application of force clamp plate (42) are pressed and are established on bed course clamp plate (41) and the both ends of application of force clamp plate (42) are connected with anchor assembly (5) of setting at corresponding end respectively after protruding from the side border of bed course clamp plate (41).
5. The water gushing borehole closure monitoring structure of claim 4, wherein: the force application pressing plate (42) comprises at least one transverse force application pressing plate (421) and at least one longitudinal force application pressing plate (422), and two ends of each transverse force application pressing plate (421) and each longitudinal force application pressing plate (422) are respectively and correspondingly provided with an anchoring piece (5); the longitudinal force application pressing plate (422) is directly pressed on the cushion pressing plate (41), and the transverse force application pressing plate (421) is pressed on the longitudinal force application pressing plate (422).
6. The water gushing borehole closure monitoring structure of claim 5, wherein: the transverse force applying pressing plates (421) are symmetrically distributed relative to the radial center line of the orifice pipe (1), and the longitudinal force applying pressing plates (422) are symmetrically distributed relative to the radial center line of the orifice pipe (1).
7. The water gushing borehole closure monitoring structure of claim 5, wherein: the anchoring piece (5) corresponding to the longitudinal force application pressing plate (422) is an expansion screw, and the lower end of the expansion screw is anchored in the stratum (7); the anchoring piece (5) corresponding to the transverse force application pressing plate (421) is a grouting anchor rod, the lower end of the grouting anchor rod is grouted and anchored in the stratum (7), and the anchoring depth of the grouting anchor rod is not less than 1.5 m.
8. The water gushing borehole closure monitoring structure of claim 7, wherein: the upper end of the anchoring piece (5) is provided with a thread section, the limiting pressure plate (4) is provided with a through hole allowing the upper end of the anchoring piece (5) to pass through, and the upper end of the anchoring piece (5) is sleeved with a nut (8) after passing through the limiting pressure plate (4).
9. The water gushing borehole closure monitoring structure of claim 1, wherein: the limiting pressing plate (4) is a steel plate.
10. The water gushing borehole closure monitoring structure of claim 9, wherein: the thickness of the steel plate is 20 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910610612.5A CN110260922B (en) | 2019-07-08 | 2019-07-08 | Gush water drilling and seal monitoring structure |
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| CN201910610612.5A CN110260922B (en) | 2019-07-08 | 2019-07-08 | Gush water drilling and seal monitoring structure |
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| CN110260922A CN110260922A (en) | 2019-09-20 |
| CN110260922B true CN110260922B (en) | 2021-06-08 |
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| CN110260922A (en) | 2019-09-20 |
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