CN110644971A - Device and method for embedding monitoring sensor in upward deep hole by grouting - Google Patents
Device and method for embedding monitoring sensor in upward deep hole by grouting Download PDFInfo
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- CN110644971A CN110644971A CN201911000912.8A CN201911000912A CN110644971A CN 110644971 A CN110644971 A CN 110644971A CN 201911000912 A CN201911000912 A CN 201911000912A CN 110644971 A CN110644971 A CN 110644971A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a device and a method for embedding a monitoring sensor in an upward deep hole by grouting, wherein the device comprises a sealing plate which is seamlessly and fixedly connected with the opening of the upward deep hole, a sleeve which is arranged and closely attached to the inner wall of the upward deep hole is seamlessly connected to the sealing plate, a grouting pipe and an exhaust pipe which seamlessly penetrate through the sealing plate are arranged in the sleeve, a grouting outlet of the grouting pipe is arranged in the lower end section of the upward deep hole and is higher than the sleeve, an air inlet of the exhaust pipe is arranged in the upper end section of the upward deep hole, the grouting pipe below the sealing plate is connected with a gate valve, and the exhaust pipe below the air inlet is fixedly provided with the monitoring sensor which is packaged by epoxy. According to the invention, the sealing plate with the grouting pipe and the exhaust pipe is arranged at the hole opening of the upward deep hole, so that cement slurry is grouted in the hole from bottom to top under the plugging action of the sealing plate, gas in the hole is exhausted from the bottom of the hole through the exhaust pipe, the phenomena of slurry leakage and slurry leakage are avoided, the damage to the monitoring sensor caused by pressurizing and injecting the cement slurry can be effectively avoided, and the monitoring sensitivity is ensured.
Description
Technical Field
The invention belongs to the technical field of underground deep hole grouting burying monitoring sensors, and particularly relates to a device and a method for burying monitoring sensors in deep holes by grouting.
Background
The current development direction of underground mines is mining intensification, equipment intellectualization, management integration and safety information. By the increasing importance of national safety production policies and mine enterprises on self safety, many mines begin to build and optimize mine safety information platforms, and mine safety is monitored by a safety monitoring and early warning system formed by various monitoring means and monitoring equipment. Because these monitoring facilities belong to the precision instrument, receive service environment and application method influence great, once install and use incorrectly, not only can not effectual monitoring data, cause the equipment to destroy and waste resources on the contrary.
When the underground monitoring system is buried underground, the undesirable phenomenon that the existing spatial position is not buried or the buried place is far away from the monitoring area generally exists, so that the monitoring sensitivity and accuracy of the monitoring system are low, and even the monitoring system is paralyzed due to the influence of underground production activities of mines. In order to solve the problem, the existing mine adopts a method for embedding a monitoring sensor in a deep hole, but because the deep hole is embedded in the actual engineering operation with higher difficulty, especially because monitoring equipment is installed in the upward deep hole with the depth of more than 20 meters, the method can only be implemented by adopting similar engineering equipment and technical means due to the lack of a professional installation device, and the process is as follows: the monitoring sensor is placed at the bottom of the hole, then the grouting machine is used for pressurizing to inject cement paste into the hole, and the sensor is fixed after the cement paste is solidified.
After long-term use practice, the monitoring equipment such as the sensor has high sensitivity and high vulnerability, cannot play the role of common engineering machinery, and is easy to damage the sensor due to the need of pressurization particularly when deep hole grouting is carried out upwards; the cement paste solidification speed is slower, and under the action of gravity, the unset cement paste and the monitoring sensor easily slip out from the top to the deep hole and fall off, so that the monitoring sensitivity is influenced slightly, the monitoring sensor is broken seriously, and the implementation difficulty is larger.
The technical problems that the problem of slurry leakage and slurry leakage during grouting and the problem that the sensor is damaged due to overlarge water pressure during grouting are generally solved.
Disclosure of Invention
The invention aims to provide a device and a method for embedding a monitoring sensor in an upward deep hole by grouting, which have better grouting quality and higher safety and reliability aiming at the defects of the prior art.
The invention provides a device for embedding a monitoring sensor in an upward deep hole by grouting, which comprises a sealing plate which is seamlessly and fixedly connected with the hole opening of the upward deep hole, a sleeve which is closely attached to the inner wall of the upward deep hole is seamlessly connected to the sealing plate, a grouting pipe and an exhaust pipe which seamlessly penetrate through the sealing plate are arranged in the sleeve, the grout outlet of the grouting pipe is positioned in the lower end section of the upward deep hole and is higher than the sleeve, the air inlet of the exhaust pipe is positioned in the upper end section of the upward deep hole, the grouting pipe below the sealing plate is connected with a gate valve, and the exhaust pipe below the air inlet is fixedly provided with the monitoring sensor which is packaged by epoxy resin.
The exhaust pipe and the sleeve are coaxially arranged, an umbrella-shaped supporting assembly used for preventing the exhaust pipe from inclining and lowering head in the upward deep hole is arranged on the exhaust pipe above the monitoring sensor, the umbrella-shaped supporting assembly comprises a mounting seat fixed at the pipe head of the exhaust pipe and a plurality of elastic ribs connected with the mounting seat in a pivoted mode, stirrups are arranged on the mounting seat below the joint of the elastic ribs, and the stirrups are connected with the elastic ribs to control the expansion diameter of the elastic ribs.
The outer end surface of each elastic umbrella rib is provided with a saw-toothed bulge.
And a limiting rod for preventing the exhaust pipe from contacting the bottom is arranged at the top of the exhaust pipe.
The sealing plate is provided with an exhaust pipe hole communicated with the inner side of the sleeve, and the exhaust pipe is connected in the exhaust pipe hole in a seamless mode through sealant.
The monitoring sensor adopts wired transmission, the sealing plate is provided with cable holes communicated with the inner side of the sleeve, the exhaust pipe holes and the cable holes are arranged in an intersecting manner, and a transmission line of the monitoring sensor seamlessly penetrates through the cable holes to extend out of the sealing plate through the sealant.
The invention provides a method for embedding a monitoring sensor in an upward deep hole by grouting, which comprises the following steps:
s1, cutting the exhaust pipe according to the depth of the upward deep hole, binding a monitoring sensor packaged by epoxy resin at the upper end section of the exhaust pipe, and inserting the exhaust pipe into the upward deep hole;
s2, manufacturing a sealing plate according to the size of the orifice of the upward deep hole, and connecting the sealing plate with an internally and externally sleeved grouting pipe and a sleeve pipe in a seamless manner, wherein the outer diameter of the sleeve pipe is arranged in an equal diameter manner with the diameter of the upward deep hole, the top end of the grouting pipe is higher than the arrangement of the sleeve pipe, and the lower end of the grouting pipe penetrates through the sealing plate and is connected with a gate valve;
s3, enabling transmission lines of the exhaust pipe and the monitoring sensor to penetrate out of a sealing plate between the grouting pipe and the sleeve in a seamless mode, fixedly connecting the sealing plate at the opening of the upward deep hole in a seamless mode, and placing the sleeve in the upward deep hole;
s4, connecting a hose of the grouting machine with a gate valve, opening the gate valve, starting pressurized grouting, wherein the concentration of cement slurry in the grouting machine is ensured to be initially set within 3 days and finally set within 7 days;
s5, after thick cement slurry flows out of the exhaust pipe, plugging the exhaust pipe, tightly closing the gate valve, removing a hose of the grouting machine, and stopping grouting;
s6, opening the gate valve 3-7 days later, and completing the installation of the monitoring sensor if the cement paste at the grouting pipe is solidified to the set strength; if the cement paste at the grouting pipe is not solidified to the set strength, the gate is continuously closed and the cement paste is continuously solidified to the set strength, and the installation of the monitoring sensor is completed.
In order to ensure that the gate valve can bear the water pressure of at least one hundred meters, the working pressure of the gate valve is more than 1.5 MPa.
The specific process of trimming the exhaust pipe in step S1 is as follows:
s11, inserting uncut PVC pipes into the upward deep holes to remove foreign matters in the holes;
s12, cutting off a broken wear section on the PVC pipe;
s13, mounting the depth of the upward deep hole of the monitoring sensor according to the requirement, and cutting a section of PVC pipe with the length being 0.5m greater than the hole depth to serve as an exhaust pipe.
The exhaust pipe head in step S1 is provided with an umbrella-shaped supporting component for preventing the exhaust pipe from inclining and lowering head in the upward deep hole, the umbrella-shaped supporting component comprises an installation seat and a plurality of elastic ribs pivotally connected with the installation seat, the installation seat is fixedly sleeved on the exhaust pipe head above the monitoring sensor, stirrups are bound on the installation seat below the connection part of the elastic ribs according to the diameter of the upward deep hole, the stirrups are connected with the elastic ribs, the diameter of each elastic rib after synchronous expansion is controlled to be larger than the diameter of the upward deep hole, the exhaust pipe is inserted into the upward deep hole, each elastic rib is clamped at the bottom of the upward deep hole, and the exhaust pipe is clamped in the upward deep hole through the umbrella-shaped supporting component.
According to the invention, the sealing plate with the grouting pipe and the exhaust pipe is arranged at the hole opening of the upward deep hole, so that cement slurry is grouted in the hole from bottom to top under the plugging action of the sealing plate, gas in the hole is exhausted from the bottom of the hole through the exhaust pipe, the phenomena of slurry leakage and slurry leakage are avoided, the damage to a monitoring sensor caused by pressurizing and injecting the cement slurry can be effectively avoided, and the monitoring sensitivity is ensured; the monitoring sensor is arranged below the air inlet of the exhaust pipe, when cement slurry flows out of the exhaust pipe and stops braking, the monitoring sensor can be completely wrapped by the cement slurry, so that the monitoring sensor is effectively coupled with surrounding rock mass through the solidified cement slurry, and the receiving sensitivity of the monitoring sensor cannot be reduced; the monitoring sensor is packaged by epoxy resin before being installed, so that the monitoring sensor can be better protected before cement slurry is solidified. The grouting embedding method has the advantages of good grouting embedding effect, strong practicability and pertinence, and can reliably install the monitoring equipment in the upward hole with the depth of hundreds of meters.
Drawings
FIG. 1 is a schematic structural diagram of a device for embedding a monitoring sensor in a deep hole by grouting.
Fig. 2 is an enlarged structural diagram of direction a in fig. 1.
Fig. 3 is an enlarged structural diagram of direction B in fig. 1.
Fig. 4 is a schematic structural diagram of the use state of fig. 1.
The labels shown in the figures and the corresponding component names are:
1. closing the plate; 2. a sleeve; 3. a grouting pipe; 4. an exhaust pipe; 5. a gate valve; 6. an epoxy resin; 7. monitoring a sensor; 8. an umbrella support assembly; 9. a limiting rod; 11. a bolt; 12. an exhaust pipe hole; 13. a cable hole; 31. a pulp outlet; 32. a pulp inlet; 41. an air inlet; 42. an air outlet; 71. a transmission line; 81. a mounting seat; 82. an elastic umbrella frame; 83. hooping; 84. saw-toothed protrusions.
Detailed Description
As can be seen from fig. 1 to 4, the device for grouting and burying the monitoring sensor in the upward deep hole comprises a sealing plate 1, a sleeve 2, a grouting pipe 3 and an exhaust pipe 4, wherein the sealing plate 1 is fixedly connected to a rock mass around an upward deep hole orifice through uniformly arranged bolts 11, and the edge of the sealing plate 1 is in seamless connection with the rock mass through sealant; the sleeve 2 is welded at the upper end of the sealing plate 1 in a seamless manner, and the outer wall of the sleeve 2 is closely attached to the inner wall of the upward deep hole;
an exhaust pipe hole 12 communicated with the inner side of the sleeve 2 is formed in the sealing plate 1, the grouting pipe 3 penetrates through the exhaust pipe hole 12 and is in seamless connection with the plate wall around the exhaust pipe hole 12 through sealant, the upper opening of the grouting pipe 3 is a grout outlet 31, the lower opening of the grouting pipe 3 is a grout inlet 32, the grout outlet 31 is positioned in the lower end section of the upward deep hole and is arranged higher than the top surface of the sleeve, and the grout inlet 32 is positioned below the sealing plate 1 and is connected with the gate valve 5;
the sealing plate 1 on the inner side of the sleeve 2 is provided with a through hole corresponding to the exhaust pipe 4, the exhaust pipe 4 penetrates through the corresponding through hole and is in seamless connection with the sealing plate 1 through sealant, the exhaust pipe 4 and the sleeve 2 are coaxially arranged, the upper opening of the exhaust pipe 4 is an air inlet 41, the lower opening of the exhaust pipe 4 is an air outlet 42, the air inlet 41 is positioned in the upper end section of the upward deep hole, and the exhaust pipe 4 below the air inlet 41 is bound with a monitoring sensor 7 packaged by epoxy resin 6.
In the invention, the length of the grouting pipe 3 is at least 1 meter, the grout outlet 31 is at least 0.2 meter higher than the top surface of the sleeve, and the length of the grouting pipe below the sealing plate 1 is 0.1 meter.
As can be seen from fig. 1 to 4, in the present invention, the monitoring sensor 7 uses wired transmission, the sealing plate 1 is provided with a cable hole 13 communicating with the inner side of the casing 2, the exhaust pipe hole 12 and the cable hole 13 are arranged in an intersecting manner, the transmission line 71 of the monitoring sensor 7 extends out of the sealing plate 1 through the cable hole 13, and the transmission line 71 is seamlessly connected with the plate wall around the cable hole 13 through sealant.
As can be seen from fig. 1 to 4, the present invention further includes an umbrella-shaped supporting assembly 8 for preventing the exhaust pipe 4 from tilting and lowering head upwards into the deep hole, the umbrella-shaped supporting assembly 8 is arranged on the exhaust pipe 4 above the monitoring sensor 7, and includes an installation seat 81 and a plurality of arc-shaped elastic ribs 82, the installation seat 81 is fixedly sleeved outside the pipe head of the exhaust pipe 4, installation grooves with the same number as the elastic ribs 82 are uniformly distributed around the installation seat 81, each elastic rib 82 is pivoted in the corresponding installation groove by a pivoting member bending downwards, a saw-toothed protrusion 84 is arranged on the outer end surface of each elastic rib 82, a stirrup 83 is bound on the installation seat 81 below the connection part with the elastic rib 82, the stirrup 83 is connected with the bottom surface of the elastic rib 82, and under the blocking effect of the stirrup 83, each elastic rib 82 synchronously unfolds in an umbrella-shaped structure with a small top and a large bottom.
As can also be seen from the figures 1 to 4, a limiting rod 9 for preventing the exhaust pipe 4 from bottoming is bonded to the top of the exhaust pipe, and the top of the limiting rod 9 is higher than the air inlet 410.05-0.15 m.
The invention discloses a method for embedding a monitoring sensor in an upward deep hole by grouting, which comprises the following steps:
s1, cutting the exhaust pipe 4 according to the depth of the upward deep hole, wherein the specific cutting process is as follows:
s11, inserting an uncut PVC pipe with the diameter of 0.25m into the upward deep hole, and removing foreign matters in the hole;
s12, cutting off a broken wear section on the PVC pipe;
s13, mounting the depth of the upward deep hole of the monitoring sensor 7 according to the requirement, cutting a section of PVC pipe with the length being 0.5m greater than the hole depth to serve as the exhaust pipe 4, wherein the upper end opening of the exhaust pipe 4 is an air inlet 41, and the lower end opening of the exhaust pipe 4 is an air outlet 42; binding a monitoring sensor 7 packaged by epoxy resin 6 at the upper end section of the cut exhaust pipe 4, wherein the monitoring sensor 7 adopts wired transmission, and the top of the monitoring sensor 7 is 410.5-1.5 m away from an air inlet; an umbrella-shaped supporting component 8 is arranged at the pipe head of the exhaust pipe 4, the umbrella-shaped supporting component 8 comprises an installation seat 81 and a plurality of elastic umbrella ribs 82 which are in pivot connection with the installation seat 81, the installation seat 81 is fixedly sleeved on the pipe head of the exhaust pipe 4 above the monitoring sensor 7 in a fixing way, stirrups 83 are bound on the installation seat 81 according to the diameters of upward deep holes, the stirrups 83 are connected with the bottom surfaces of the elastic umbrella ribs 82, and the diameters of the elastic umbrella ribs 82 after being synchronously unfolded are controlled to be larger than the diameters of the upward deep holes; bonding a limiting rod 9 to the top of the exhaust pipe 4, wherein the top of the limiting rod 9 is higher than the air inlet 410.05-0.15 m;
the exhaust pipe 4 is inserted into the upward deep hole, and because the elastic umbrella ribs 82 are in the shape of an umbrella bent downwards, the umbrella-shaped support assembly 8 has one-way contractibility under the action of the elastic deformation of each elastic umbrella rib 82, and each elastic umbrella rib 82 can enter the upward deep hole along with the exhaust pipe 4 without blocking; when the limiting rod 9 contacts the hole bottom, the exhaust pipe 4 is pulled downwards, the outer ends of the elastic ribs 82 are subjected to upward blocking force exerted by the hole wall, so that the exhaust pipe 4 is clamped at the hole bottom of the upward deep hole, and the exhaust pipe 4 is clamped and fixed in the upward deep hole through the umbrella-shaped supporting component 8;
s2, manufacturing a sealing plate 1 according to the size of an orifice of an upward deep hole, connecting an internally and externally sleeved grouting pipe 3 and a sleeve pipe 2 on the sealing plate 1 in a seamless manner, arranging the outer diameter of the sleeve pipe 2 and the diameter of the upward deep hole in an equal diameter manner, arranging a grout outlet 31 at the top end of the grouting pipe 3 higher than the top surface of the sleeve pipe 2, connecting a grout inlet 32 at the lower end of the grouting pipe with a gate valve 5 through the sealing plate 1, and enabling the working pressure of the gate valve 5 to be more than 1.5 Mpa; an exhaust pipe hole 12 and a cable hole 13 which are communicated with the inner side of the sleeve 2 are formed on the closing plate 1;
s3, enabling the transmission line 71 of the exhaust pipe 4 and the monitoring sensor 7 to penetrate out of the exhaust pipe hole 12 and the cable hole 13, and sealing the edge gap by using sealant; fixing the sealing plate 1 at the opening of the upward deep hole by using a bolt 11, placing the sleeve 2 in the upward deep hole, and sealing a gap between the sealing plate 1 and a rock body by using a sealant;
s4, connecting a hose of the grouting machine with the gate valve 5, wherein the concentration of cement slurry in the grouting machine is ensured to be initially set within 3 days and finally set within 7 days; opening the gate valve 5 and starting pressure grouting;
s5, observing the air outlet 42 of the exhaust pipe 4, plugging the air outlet 42 by using a soft plug after thick cement slurry emerges, tightly closing the gate valve 5, removing a hose of the grouting machine, and stopping grouting;
s6, opening the gate valve 5 after 3-7 days, and if the cement paste at the grouting pipe 3 is solidified to the set strength, finishing the installation of the monitoring sensor; if the cement paste at the grouting pipe 3 is not solidified to the set strength, the gate is continuously closed and the cement paste is continuously solidified to the set strength, and the installation of the monitoring sensor is completed.
In the invention, after the installation of the monitoring sensor is finished, a temporary monitoring system can be set up to test whether the monitoring sensor receives the transmission signal normally.
The method for installing the monitoring instrument in the upward deep hole is expanded, the monitoring instrument can be conveniently and reliably installed near a key monitoring area, and a foundation is laid for the construction of a mine safety monitoring information platform.
Claims (10)
1. The utility model provides a go up and bury device of monitoring sensor underground to deep hole slip casting which characterized in that: including seamless rigid coupling in shrouding (1) of last deep hole mouth department, seamless connection has sleeve pipe (2) of closely pasting to the deep hole inner wall and arranging on the shrouding, slip casting pipe (3) and blast pipe (4) that the shrouding is run through to the seamless in the cover intraductal, the play thick liquid mouth of slip casting pipe is located the lower terminal section of the last deep hole and is higher than the sleeve pipe and arranges, the air inlet of blast pipe is located the last deep hole upper end section, the slip casting pipe of shrouding below is connected with gate valve (5), be fixed with monitoring sensor (7) by epoxy (6) encapsulation on the blast pipe of air inlet below.
2. The apparatus for grouting and burying a monitoring sensor in a deep hole according to claim 1, wherein: the exhaust pipe and the sleeve are coaxially arranged, an umbrella-shaped supporting component (8) used for preventing the exhaust pipe from inclining and lowering the head in an upward deep hole is arranged on the exhaust pipe above the monitoring sensor, the umbrella-shaped supporting component comprises a mounting seat (81) fixed at the pipe head of the exhaust pipe and a plurality of elastic ribs (82) connected with the mounting seat in a pivoted mode, stirrups (83) are arranged on the mounting seat below the joint of the elastic ribs, and the stirrups and the elastic ribs are connected to control the expansion diameter of the elastic ribs.
3. The apparatus for grouting and burying a monitoring sensor in a deep hole according to claim 2, wherein: sawtooth-shaped protrusions (84) are arranged on the outer end surface of each elastic umbrella rib.
4. The apparatus for grouting and burying a monitoring sensor in a deep hole according to claim 1, wherein: and a limiting rod (9) for preventing the exhaust pipe from bottoming is arranged at the top of the exhaust pipe.
5. The apparatus for grouting and burying a monitoring sensor in a deep hole according to claim 1, wherein: an exhaust pipe hole (12) communicated with the inner side of the sleeve is formed in the sealing plate, and the exhaust pipe is connected in the exhaust pipe hole in a seamless mode through sealing glue.
6. The apparatus for grouting and burying a monitoring sensor in a deep hole according to claim 5, wherein: the monitoring sensor adopts wired transmission, the sealing plate is provided with cable holes (13) communicated with the inner side of the sleeve, the exhaust pipe holes and the cable holes are arranged in an intersecting way, and a transmission line of the monitoring sensor penetrates through the cable holes seamlessly to extend out of the sealing plate through the sealant.
7. A method for grouting a monitoring sensor in a deep borehole, suitable for use in the device of any one of claims 1 to 6, comprising the steps of:
s1, cutting the exhaust pipe (4) according to the depth of the upward deep hole, binding a monitoring sensor (7) packaged by epoxy resin (6) at the upper end section of the exhaust pipe, and inserting the exhaust pipe into the upward deep hole;
s2, manufacturing a sealing plate (1) according to the size of an orifice of the upward deep hole, wherein the sealing plate is seamlessly connected with an internally and externally sleeved grouting pipe (3) and a sleeve (2), the outer diameter of the sleeve is in equal-diameter arrangement with the diameter of the upward deep hole, the top end of the grouting pipe is higher than that of the sleeve, and the lower end of the grouting pipe penetrates through the sealing plate and is connected with a gate valve (5);
s3, enabling transmission lines of the exhaust pipe and the monitoring sensor to penetrate out of a sealing plate between the grouting pipe and the sleeve in a seamless mode, fixedly connecting the sealing plate at the opening of the upward deep hole in a seamless mode, and placing the sleeve in the upward deep hole;
s4, connecting a hose of the grouting machine with a gate valve, opening the gate valve, starting pressurized grouting, wherein the concentration of cement slurry in the grouting machine is ensured to be initially set within 3 days and finally set within 7 days;
s5, after thick cement slurry flows out of the exhaust pipe, plugging the exhaust pipe, tightly closing the gate valve, removing a hose of the grouting machine, and stopping grouting;
s6, opening the gate valve 3-7 days later, and completing the installation of the monitoring sensor if the cement paste at the grouting pipe is solidified to the set strength; if the cement paste at the grouting pipe is not solidified to the set strength, the gate is continuously closed and the cement paste is continuously solidified to the set strength, and the installation of the monitoring sensor is completed.
8. The method for grouding and burying a monitoring sensor in a deep borehole according to claim 7, wherein the gate valve operating pressure is greater than 1.5 MPa.
9. The method of grouding a buried monitor sensor into a deep borehole of claim 7, wherein: the specific process of trimming the exhaust pipe in step S1 is as follows:
s11, inserting uncut PVC pipes into the upward deep holes to remove foreign matters in the holes;
s12, cutting off a broken wear section on the PVC pipe;
s13, mounting the depth of the upward deep hole of the monitoring sensor according to the requirement, and cutting a section of PVC pipe with the length being 0.5m greater than the hole depth to serve as an exhaust pipe.
10. The method of grouding a buried monitor sensor into a deep borehole of claim 7, wherein: an umbrella-shaped supporting component (8) for preventing the exhaust pipe from inclining and lowering head in the upward deep hole is arranged at the head of the exhaust pipe in the step S1, the umbrella-shaped supporting component comprises a mounting seat (81) and a plurality of elastic umbrella ribs (82) which are in pivot connection with the mounting seat, the mounting seat is fixedly sleeved on the head of the exhaust pipe above the monitoring sensor, stirrups (83) are bound on the mounting seat below the connection part with the elastic umbrella ribs according to the diameter of the upward deep hole, the stirrups are connected with the elastic umbrella ribs, the diameter of each elastic umbrella rib after being synchronously unfolded is controlled to be larger than the diameter of the upward deep hole, the exhaust pipe is inserted into the upward deep hole, each elastic umbrella rib is clamped at the bottom of the upward deep hole, and the exhaust pipe is clamped in the upward deep hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000912.8A CN110644971A (en) | 2019-10-21 | 2019-10-21 | Device and method for embedding monitoring sensor in upward deep hole by grouting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911000912.8A CN110644971A (en) | 2019-10-21 | 2019-10-21 | Device and method for embedding monitoring sensor in upward deep hole by grouting |
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| CN110644971A true CN110644971A (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202431A (en) * | 2021-04-02 | 2021-08-03 | 中煤科工开采研究院有限公司 | Device and method for mounting deep-hole micro-seismic probe of mining roof |
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2019
- 2019-10-21 CN CN201911000912.8A patent/CN110644971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202431A (en) * | 2021-04-02 | 2021-08-03 | 中煤科工开采研究院有限公司 | Device and method for mounting deep-hole micro-seismic probe of mining roof |
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