CN212803112U - Recoverable mechanism of deep hole wave detector of mine micro-seismic monitoring system - Google Patents
Recoverable mechanism of deep hole wave detector of mine micro-seismic monitoring system Download PDFInfo
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- CN212803112U CN212803112U CN202021288015.XU CN202021288015U CN212803112U CN 212803112 U CN212803112 U CN 212803112U CN 202021288015 U CN202021288015 U CN 202021288015U CN 212803112 U CN212803112 U CN 212803112U
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Abstract
The utility model discloses a recoverable mechanism of mine microseism monitoring system deep hole wave detector belongs to mine microseism monitoring field. The concrete track drilling tool comprises a protection pipe with a track groove, wherein the protection pipe and a drill hole are filled with concrete. Be provided with the slip coupling connector in the protection tube, the slip coupling connector includes ring groove, rail wheel and slip bracing piece, and the one end of per two slip bracing pieces is articulated with the both ends of the pivot of a rail wheel respectively, and the other end is installed in the ring groove, and the middle part of two slip bracing pieces is passed through the spring and is linked together. The ring groove is connected with the detector, the detector is connected with one end of the mounting rod, the other end of the mounting rod extends out of the outlet of the protection tube, and a mounting rod fixer is arranged at the outlet of the protection tube. The utility model discloses can realize the regulation of wave detector position and the recovery of wave detector under the condition that the drilling warp to the wave detector is reliable normal operating always, and it uses portably, with low costs, dependable performance, is applicable to complicated mine condition.
Description
Technical Field
The utility model relates to a mine microseism monitoring field especially indicates a recoverable mechanism of mine microseism monitoring system deep hole wave detector.
Background
At present, the application of the micro-seismic monitoring technology in the field of mine water inrush monitoring and early warning is more and more common, particularly in coal seams threatened by confined water of a bottom plate, the micro-seismic monitoring can reflect the dynamic evolution process of a water inrush channel of the bottom plate under the influence of mining, and therefore the core of the water inrush micro-seismic monitoring of the bottom plate lies in mining damage of a water-resisting layer of the bottom plate or mining activation of a bottom plate structure.
According to the application principle of the microseismic monitoring system and the positioning error analysis thereof, the closer the geophone arrangement array is to the monitored target horizon, the richer the vibration information of the target horizon is received by the system, and the more accurate the microseismic event positioning is, so that the geophone can be arranged at the target horizon (a bottom plate water-proof key layer) through a bottom plate deep hole when being arranged. Most of the existing microseismic monitoring systems mainly adopt fixed pouring type installation and movable recovery type installation when a bottom plate deep hole geophone is arranged.
The fixed pouring type installation means that grouting is carried out after the detector is sent to a target position, and the detector is completely coupled with a rock body. The mode has the advantages that the coupling degree of the detector and the rock body is high, vibration information received by the system is rich and accurate, and the defects that the detector cannot be recycled and reused, the installation position cannot be changed secondarily, and the cost is high in the aspect of economy.
The movable recovery type installation means that the detector is coupled with a rock body by means of a certain device after being sent to a target position, the devices are applicable to mines with simple conditions, but the following problems often occur to mines with complex conditions and large mine pressure: the borehole deforms under the action of mine pressure, so that the detector is difficult to recover; the deformed drilling hole causes the damage of the device to lose the effect of coupling with the rock mass and cannot transmit shock waves; when the geophone is repositioned within the borehole, the trajectory is difficult to grasp.
SUMMERY OF THE UTILITY MODEL
For solving prior art's problem, the utility model provides a recoverable mechanism of mine microseismic monitoring system deep hole wave detector, the utility model discloses can realize the regulation of wave detector position and the recovery of wave detector under the condition that drilling warp to the wave detector is reliable normal operating always, and it uses portably, with low costs, dependable performance, is applicable to complicated mine condition.
The utility model provides a technical scheme as follows:
the utility model provides a recoverable mechanism of mine microseismic monitoring system deep hole wave detector, is including the protection tube that is located the drilling, fill completely through the concrete between protection tube and the drilling, be provided with many track grooves on the protection tube inner wall, wherein:
the protective tube is internally provided with a sliding coupling connector, the sliding coupling connector comprises a circular groove, track wheels which are positioned in the track groove and have the same number with the track groove, and sliding support rods with the number twice that of the track wheels, one end of each of the two sliding support rods is hinged with two ends of a rotating shaft of one track wheel, the other end of each sliding support rod is arranged in the circular groove, the sliding support rods can slide along the circumferential direction of the circular groove, and the middle parts of the two sliding support rods connected with one track wheel are connected together through a spring without deformation in an initial state;
the ring groove is connected with the detector, the detector is connected with one end of the mounting rod, the other end of the mounting rod extends out of the outlet of the protection tube, and a mounting rod fixer is arranged at the outlet of the protection tube.
Furthermore, a plurality of jackscrews are arranged on the inner ring of the circular groove, and the circular groove is fixedly connected with the detector through the jackscrews.
Furthermore, the protection tube comprises a plurality of sections of seamless steel tubes, two adjacent sections of seamless steel tubes are connected through a limiting pipeline connector, and the track groove is welded on the inner wall of the seamless steel tubes.
Further, the number of track groove is 3, and 3 track grooves are in 60 degrees angle parallel arrangement of interval, the number of jackscrew is 3.
Further, the wall thickness of the seamless steel pipe is not less than 3 mm.
Furthermore, scales are arranged on the mounting rod.
Furthermore, the mounting rod comprises a plurality of sections of carbon fiber rods, two adjacent sections of carbon fiber rods are connected through threads, and the last section of carbon fiber rod is connected with the detector through threads.
Further, the mounting rod fixer comprises a metal box body, and sound insulation cotton is filled in the metal box body.
The utility model discloses following beneficial effect has:
the utility model discloses can realize the regulation of wave detector position and the recovery of wave detector under the condition that the drilling warp to the wave detector is in good coupled state with the rock mass all the time, has ensured the reliable normal operating always of wave detector. The mine microseismic monitoring system is simple and convenient to use, low in cost and reliable in performance, and can be applied to mines under complex conditions or under high mine pressure.
Drawings
Fig. 1 is a schematic view of the recoverable mechanism of the deep hole wave detector of the mine micro-seismic monitoring system of the utility model;
FIG. 2 is a cross-sectional view of FIG. 1 (with concrete omitted);
FIG. 3 is a sectional view of the protection pipe and the rail groove;
FIG. 4 is a schematic view of a sliding coupling connector;
FIG. 5 is a schematic view of the connection of the annular groove and the sliding support rod;
fig. 6 is a schematic view of a pipe connector.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a recoverable mechanism of mine microseism monitoring system deep hole wave detector, as shown in fig. 1-5, including being located the protection tube 2 in drilling 1, fill completely through concrete 3 between protection tube 2 and the drilling 1, be provided with many track grooves 4 on the protection tube 1 inner wall, wherein:
a sliding coupling connector 5 is arranged in the protection tube 2, and the sliding coupling connector 5 comprises a circular groove 6, track wheels 7 which are arranged in the track grooves 4 and have the same number as the track grooves, and sliding support rods 8 which are twice as many as the track wheels 7. One end of each of the two sliding support rods 8 is hinged with two ends of a rotating shaft of one track wheel 7, the other end of each sliding support rod 8 is installed in the circular groove 6, the sliding support rods 8 can slide along the circumferential direction of the circular groove 6, and the middle parts of the two sliding support rods 8 connected with one track wheel 7 are connected together through a spring 9 which is in an initial state and has no deformation.
The ring groove 6 is connected with a detector 10, the detector 10 is connected with one end of a mounting rod 11, the other end of the mounting rod 11 extends out of an outlet of the protection tube 1, and a mounting rod fixer 12 is arranged at the outlet of the protection tube 1.
The utility model discloses can be applicable to bottom plate deep hole and roof deep hole, shown in figure 1 is the bottom plate deep hole, the structure of roof deep hole and figure 1's structural symmetry. The utility model discloses drilling is under construction earlier, then go into the protection tube that is provided with many track grooves on the inner wall to the drilling in, after the protection tube installation was accomplished, send shutoff slip casting device into the protection tube lower part, play the back slip casting that expands, concrete slurry fills the hole between protection tube and the drilling wall from the drilling bottom, is full of all spaces between protection tube and the drilling completely until the thick liquid, the thick liquid solidifies the coupling of back in order to realize track protection tube and rock mass. The protection tube supports the drilling on the one hand in order to prevent it from taking place big deformation, and on the other hand protection tube and rock mass coupling can conduct shock wave to the protection tube still provides the track groove support for rail wheel operation.
When the detector is used, the track wheel of the sliding coupling connector is arranged in the track groove, the detector is arranged on the circular groove of the sliding coupling connector, the detector is sent to a specified position through the mounting rod, then the upper end of the mounting rod is fixed on the mounting rod fixer, the detector is mounted, and monitoring and using can be carried out. During monitoring, seismic waves are transmitted to the protective tube through coupling of the protective tube and the rock body, and then transmitted to the geophone through the track groove and the sliding coupling connector (namely, the geophone is in a coupling state with the rock body).
When the mounting position of the detector needs to be changed, the adjustment can be carried out through different depths of the mounting rod. When the geophone needs to be recovered, the geophone is pulled upwards by the mounting rod for recovery.
When adjusting the geophone position or retrieving the geophone, it is assumed that a section of the borehole is deformed, resulting in deformation of the track groove. When the rail wheel passes through the rail groove deformation section, the rail groove extrudees the rail wheel inwards, and the circumference direction along the ring groove slides after the slip bracing piece atress, and the interval grow of two slip bracing pieces for the distance of rail wheel and ring shortens, and the spring is in tensile state this moment. After the track wheel passes through the track groove deformation section, the spring in a stretching state contracts to drive the sliding support rod to fold along the circumferential direction of the circular groove, the track wheel is pushed into the undeformed track groove and returns to a normal section state, the track wheel and the track groove are always in a contact state in the process, and the detector and the rock mass are always in a coupling state.
To sum up, the utility model discloses can realize the regulation of wave detector position and the recovery of wave detector under the condition that the drilling warp to the wave detector is in good coupled state with the rock mass all the time, has ensured reliable normal operating always of wave detector. The mine microseismic monitoring system is simple and convenient to use, low in cost and reliable in performance, and can be applied to mines under complex conditions or under high mine pressure.
A plurality of jackscrews 13 are arranged on the inner ring of the circular groove 6, and the circular groove 6 is fixedly connected with the detector 10 through the jackscrews 13. Specifically, the detector is located in the center of the circular ring groove, and the detector and the sliding coupling connector can be fixed together by adjusting the jackscrew.
The utility model discloses a protection tube 2 includes multisection seamless steel pipe, and two adjacent sections seamless steel pipe pass through spacing pipe connection ware 14 and connect, and 4 welding of track groove are on seamless steel pipe's inner wall, and pipe connection ware 14 is as shown in figure 6.
After the drilling construction is completed, the seamless steel pipes are put into the drilled holes section by section, any two sections of seamless steel pipes are connected by adopting the limiting pipeline connectors, the limiting pipeline connectors can ensure that the track grooves in the seamless steel pipes are well butted, and dislocation does not occur in the later period when the drilled holes deform to press the protection pipes.
The number of the track grooves 4 is preferably 3, the 3 track grooves are arranged in parallel at an angle of 60 degrees, and the number of the jackscrews 13 is preferably 3.
In order to ensure the strength of the protection tube, the wall thickness of the seamless steel tube is not less than 3 mm.
The utility model discloses be provided with the scale on installation pole 11, installation pole push-and-pull wave detector and slip coupling connector up-and-down motion in the protective tube to the accurate position of wave detector is learnt to the accessible scale.
The specific structure of the mounting rod 11 may include a plurality of carbon fiber rods, two adjacent carbon fiber rods are connected by a screw thread, and the last carbon fiber rod is connected with the detector by a screw thread.
The mounting rod fixer 12 comprises a metal box body, the mounting rod is fixed in the box body, and soundproof cotton is filled in the metal box body to prevent human factors from interfering the detector.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a recoverable mechanism of mine microseismic monitoring system deep hole wave detector which characterized in that, is including the protection tube that is located the drilling, fill completely through the concrete between protection tube and the drilling, be provided with many track grooves on the protection tube inner wall, wherein:
the protective tube is internally provided with a sliding coupling connector, the sliding coupling connector comprises a circular groove, track wheels which are positioned in the track groove and have the same number with the track groove, and sliding support rods with the number twice that of the track wheels, one end of each of the two sliding support rods is hinged with two ends of a rotating shaft of one track wheel, the other end of each sliding support rod is arranged in the circular groove, the sliding support rods can slide along the circumferential direction of the circular groove, and the middle parts of the two sliding support rods connected with one track wheel are connected together through a spring without deformation in an initial state;
the ring groove is connected with the detector, the detector is connected with one end of the mounting rod, the other end of the mounting rod extends out of the outlet of the protection tube, and a mounting rod fixer is arranged at the outlet of the protection tube.
2. The recoverable mechanism of the deep hole detector of the mine microseismic monitoring system of claim 1 wherein the inner ring of the ring groove is provided with a plurality of jackscrews, and the ring groove is fixedly connected with the detector through the jackscrews.
3. The recoverable mechanism for the deep hole detectors of the mine microseismic monitoring system as claimed in claim 2, wherein the protection tube comprises a plurality of seamless steel tubes, two adjacent seamless steel tubes are connected through a limiting pipeline connector, and the track groove is welded on the inner wall of the seamless steel tube.
4. The recoverable mechanism for the deep hole detectors of the mine microseismic monitoring system of claim 3, wherein the number of the track grooves is 3, the 3 track grooves are arranged in parallel at an angle of 60 degrees, and the number of the jackscrews is 3.
5. The recoverable mechanism for deep hole detectors of the mine microseismic monitoring system of claim 3 wherein the wall thickness of the seamless steel tube is not less than 3 mm.
6. The recoverable mechanism for deep hole detectors of the mine microseismic monitoring system of any one of claims 1 to 5 wherein the mounting rod is provided with graduations.
7. The recoverable mechanism for the deep hole detector of the mine microseismic monitoring system of claim 6 wherein the mounting rod comprises a plurality of carbon fiber rods, two adjacent carbon fiber rods are connected by screw threads, and the last carbon fiber rod is connected with the detector by screw threads.
8. The recoverable mechanism for deep hole detectors of mine microseismic monitoring systems of claim 6 wherein the mounting rod holder comprises a metal box filled with soundproof cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288015.XU CN212803112U (en) | 2020-07-02 | 2020-07-02 | Recoverable mechanism of deep hole wave detector of mine micro-seismic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288015.XU CN212803112U (en) | 2020-07-02 | 2020-07-02 | Recoverable mechanism of deep hole wave detector of mine micro-seismic monitoring system |
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| Publication Number | Publication Date |
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| CN212803112U true CN212803112U (en) | 2021-03-26 |
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| CN202021288015.XU Active CN212803112U (en) | 2020-07-02 | 2020-07-02 | Recoverable mechanism of deep hole wave detector of mine micro-seismic monitoring system |
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| CN (1) | CN212803112U (en) |
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- 2020-07-02 CN CN202021288015.XU patent/CN212803112U/en active Active
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