CN110609317A - Seismic detector auxiliary fixing device suitable for open-air iron ore stope - Google Patents
Seismic detector auxiliary fixing device suitable for open-air iron ore stope Download PDFInfo
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- CN110609317A CN110609317A CN201910880211.1A CN201910880211A CN110609317A CN 110609317 A CN110609317 A CN 110609317A CN 201910880211 A CN201910880211 A CN 201910880211A CN 110609317 A CN110609317 A CN 110609317A
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- limiting
- force application
- geophone
- application screw
- limiting cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A seismic detector auxiliary fixing device suitable for an open-air iron ore stope is characterized in that a ground nail is arranged on the lower surface of a limiting bottom plate, a limiting cylinder is arranged on the upper surface of the limiting bottom plate in a threaded connection mode, and the limiting cylinder is in threaded connection with the upper surface of the limiting bottom plate; the axial force application pressing plate, the spring and the buffering limiting pressing plate are arranged in the limiting cylinder from top to bottom, and the lower surface of the buffering limiting pressing plate is provided with a geophone limiting slot; the top end of the geophone is inserted into the lower surface of the limiting pressure plate, and the bottom end of the geophone extends out of the limiting bottom plate to be contacted with the ground surface; an axial force application screw penetrating hole is formed in the top cylinder wall of the limiting cylinder, the axial force application screw is in threaded fit with the penetrating hole, and the bottom end of the screw abuts against the upper surface of the axial force application pressing plate; a lead wire outlet hole is formed in the side wall of the bottom of the limiting cylinder, and a lead wire of the geophone extends out of the limiting cylinder from the lead wire outlet hole; a radial force application screw penetrating hole is formed in the side wall of the limiting barrel on the side of the geophone, and the radial force application screw is matched with the penetrating hole; four telescopic supporting rods are evenly distributed on the upper surface of the circumferential limiting bottom plate of the limiting cylinder, and the shading cloth is positioned at the tops of the telescopic supporting rods.
Description
Technical Field
The invention belongs to the technical field of goaf detection in an open-air iron ore stope, and particularly relates to an auxiliary fixing device for a seismic detector, which is suitable for an open-air iron ore stope.
Background
In the process of mineral resource development and utilization, due to the facts that random mining is conducted, and random mining is converted into overall mining in the process of mining integration, a plurality of unknown goafs exist in and around a plurality of mines, the unknown goafs do not have detailed geological data, part of the goafs can be filled with water and deformed, the unknown goafs seriously affect daily production of the mines, and the safety of stope workers and equipment is threatened all the time. Therefore, how to accurately detect the goaf becomes one of the safety problems that must be faced in the open-pit iron ore stope at the present stage.
At present, a shallow seismic mapping method is widely applied to goaf detection, a certain number of geophones are required to be arranged at equal intervals along a survey line in the detection process by using the shallow seismic mapping method to acquire data, whether the goaf exists or not is judged by researching the propagation rule of seismic waves, and meanwhile, information such as occurrence position, size, burial depth and the like of the goaf can be explained and analyzed, and the geophones are used as the most core data acquisition components and play a decisive role in data reliability.
In order to ensure the acquisition precision of seismic wave data, the position stability of the geophone after the deployment is finished must be ensured, but the earth surface of most areas of the open-air iron ore stope is a hard rock base surface, and the earth surface has more broken stones, which causes difficulty in fixing the geophone.
At present, a geophone is usually fixed on an earth surface hard rock base surface by filling gypsum or soil, or a hole is drilled on the earth surface hard rock base surface, and then the geophone is inserted into the drilled hole to complete the fixation; however, by adopting the two fixing modes, the position stability between the geophone and the earth surface is difficult to ensure, and the geophone is easy to shake under the action of external force in the measurement process, so that the data quality is influenced. Meanwhile, because no shielding object exists in the open-air iron ore stope, the geophone can be exposed to the irradiation of sunlight for a long time, and the long-time irradiation of the sunlight can influence the data accuracy and the service life of the geophone.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the auxiliary fixing device for the geophone suitable for the open-air iron ore stope, which can provide a good light shielding environment for the geophone, can better adapt to the condition that the earth surface is a hard rock base surface, effectively improves the position stability between the geophone and the earth surface, and ensures the data acquisition precision.
In order to achieve the purpose, the invention adopts the following technical scheme: a seismic detector auxiliary fixing device suitable for an open-air iron ore stope comprises a limiting cylinder, a limiting bottom plate, a buffering limiting pressing plate, a spring, an axial force application pressing plate and an axial force application screw rod; the lower surface of the limiting bottom plate is vertically and fixedly provided with a ground nail, the upper surface of the limiting bottom plate is provided with a limiting cylinder threaded groove, the lower end opening of the limiting cylinder is provided with an external thread, and the limiting cylinder is in threaded connection and fixation with the limiting cylinder threaded groove on the upper surface of the limiting bottom plate through the external thread at the lower end opening; the axial force application pressing plate, the spring and the buffering limiting pressing plate are arranged in the limiting cylinder from top to bottom, a geophone limiting slot is formed in the lower surface of the buffering limiting pressing plate, a geophone is located in the limiting cylinder, the top end of the geophone is inserted into the geophone limiting slot in the lower surface of the limiting pressing plate, and the bottom end of the geophone extends out of the limiting bottom plate to be in contact with the ground surface; an axial force application screw penetrating hole is formed in the top cylinder wall of the limiting cylinder, an internal thread is formed in the wall surface of the axial force application screw penetrating hole, the axial force application screw is in threaded fit with the internal thread of the axial force application screw penetrating hole, the bottom end of the axial force application screw abuts against the upper surface of the axial force application pressing plate, and a nut is mounted at the top end of the axial force application screw; and a lead wire outlet hole is formed in the side wall of the bottom of the limiting cylinder, and a lead wire of the geophone extends out of the limiting cylinder through the lead wire outlet hole.
The geophone is characterized in that a radial force application screw penetrating hole is formed in the side wall of the limiting barrel on the side of the geophone, internal threads are formed in the surface of the hole wall of the radial force application screw penetrating hole, a radial force application screw is arranged in the radial force application screw penetrating hole and in threaded fit with the internal threads of the radial force application screw penetrating hole, a radial force application pressing plate is fixedly arranged at the inner end of the radial force application screw, and a nut is arranged at the outer end of the radial force application screw.
The number of the radial force application screw penetrating holes is multiple, the radial force application screw penetrating holes are symmetrically distributed on the left and right sides of the central axis of the limiting cylinder, and the radial force application screw penetrating holes on one side are uniformly distributed along the central axis of the limiting cylinder.
Four telescopic supporting rods are evenly distributed on the upper surface of the limiting bottom plate in the circumferential direction of the limiting cylinder, one side of shading cloth is supported by the four telescopic supporting rods, and the limiting cylinder is located below the shading cloth.
The invention has the beneficial effects that:
the auxiliary fixing device for the geophone suitable for the open-air iron ore stope can provide a good light shielding environment for the geophone, can be well adapted to the condition that the earth surface is a hard rock base surface, effectively improves the position stability between the geophone and the earth surface, and ensures the data acquisition precision.
Drawings
FIG. 1 is a schematic structural view of an auxiliary fixing device for a geophone suitable for an open cast iron mine stope according to the present invention;
in the figure, 1-limiting cylinder, 2-limiting bottom plate, 3-buffering limiting pressure plate, 4-spring, 5-axial force application pressure plate, 6-axial force application screw, 7-ground nail, 8-geophone, 9-radial force application screw, 10-radial force application pressure plate, 11-telescopic supporting rod, 12-shading cloth, 13-wire outlet hole and 14-wire.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, the auxiliary fixing device for the geophone suitable for the open-air iron ore stope comprises a limiting cylinder 1, a limiting bottom plate 2, a buffering limiting pressing plate 3, a spring 4, an axial force application pressing plate 5 and an axial force application screw 6; the lower surface of the limiting bottom plate 2 is vertically and fixedly provided with a ground nail 7, the upper surface of the limiting bottom plate 2 is provided with a limiting cylinder threaded groove, the lower end cylinder opening of the limiting cylinder 1 is provided with an external thread, and the limiting cylinder 1 is in threaded connection and fixation with the limiting cylinder threaded groove on the upper surface of the limiting bottom plate 2 through the external thread at the lower end cylinder opening; the axial force application pressing plate 5, the spring 4 and the buffering limiting pressing plate 3 are arranged in the limiting barrel 1 from top to bottom, a geophone limiting slot is formed in the lower surface of the buffering limiting pressing plate 3, the geophone 8 is located in the limiting barrel 1, the top end of the geophone 8 is inserted into the geophone limiting slot in the lower surface of the limiting pressing plate 3, and the bottom end of the geophone 8 extends out of the limiting bottom plate 2 to be in contact with the ground surface; an axial force application screw penetrating hole is formed in the top barrel wall of the limiting barrel 1, an internal thread is formed in the wall surface of the axial force application screw penetrating hole, the axial force application screw 6 is in threaded fit with the internal thread of the axial force application screw penetrating hole, the bottom end of the axial force application screw 6 abuts against the upper surface of the axial force application pressing plate 5, and a nut is mounted at the top end of the axial force application screw 6; and a lead wire outlet hole 13 is formed in the side wall of the bottom of the limiting barrel 1, and a lead wire 14 of the geophone 8 extends out of the limiting barrel 1 through the lead wire outlet hole 13.
The side wall of the limiting cylinder 1 at the side of the geophone 8 is provided with a radial force application screw penetrating hole, the surface of the hole wall of the radial force application screw penetrating hole is provided with an internal thread, a radial force application screw 9 is arranged in the radial force application screw penetrating hole, the radial force application screw 9 is in threaded fit with the internal thread of the radial force application screw penetrating hole, the inner end of the radial force application screw 9 is fixedly provided with a radial force application pressing plate 10, and the outer end of the radial force application screw 9 is provided with a nut.
The number of the radial force application screw penetrating holes is a plurality, the radial force application screw penetrating holes are distributed in bilateral symmetry relative to the central axis of the limiting cylinder 1, and the radial force application screw penetrating holes on one side are uniformly distributed along the central axis of the limiting cylinder 1.
Four telescopic supporting rods 11 are uniformly distributed on the upper surface of a limiting base plate 2 in the circumferential direction of the limiting cylinder 1, one shading cloth 12 is supported by the four telescopic supporting rods 11, and the limiting cylinder 1 is located below the shading cloth 12.
In this embodiment, the limiting cylinder 1 is made of ABS plastic, the limiting base plate 2 and the telescopic strut 11 are made of aluminum-magnesium alloy, the buffering limiting pressing plate 3 is made of rubber, the spring 4 is made of high-carbon steel, the axial force application pressing plate 5 is made of cast iron, the shading cloth 12 is made of terylene, and a shading material coating is coated on the surface of the shading cloth 12.
The one-time use process of the present invention is described below with reference to the accompanying drawings:
when the goaf detection is carried out in an open-air iron ore stope, after the arrangement points of the geophones 8 are selected, the ground nails 7 on the lower surface of the limiting bottom plate 2 are nailed into the ground surface, and the situation that the limiting bottom plate 2 and a ground surface hard rock base surface do not shake is guaranteed.
After the limiting bottom plate 2 is fixed, the geophone 8 is conveyed into the limiting barrel 1, the top end of the geophone 8 is inserted into a geophone limiting slot on the lower surface of the limiting pressing plate 3, then the radial force application screw 9 is screwed, the preliminary fixing of the geophone 8 is completed through the radial force application pressing plate 10, then the limiting barrel 1 which is preliminarily fixed with the geophone 8 is screwed and fixed into a limiting barrel screwing groove on the upper surface of the limiting bottom plate 2, then the axial force application screw 6 is screwed, the axial force application screw 9 is pressed and fixed to the geophone 8 through the axial force application pressing plate 5, the spring 4 and the buffering limiting pressing plate 3 in sequence, then the radial force application screw 9 is screwed, and the radial pressing and fixing of the geophone 8 is completed through the radial force.
After the geophone 8 is axially and radially compressed and fixed, the four telescopic supporting rods 11 are completely lifted, then the shading cloth 12 is hung at the top ends of the four telescopic supporting rods 11, the shading cloth 12 is installed, finally, the wiring work of the wires 11 is completed, and after the geophone 8 is ensured to be stable and good in position, the data acquisition work can be started.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. The utility model provides a seismic detector auxiliary fixture suitable for open-air iron ore stope which characterized in that: the device comprises a limiting cylinder, a limiting bottom plate, a buffering limiting pressing plate, a spring, an axial force application pressing plate and an axial force application screw rod; the lower surface of the limiting bottom plate is vertically and fixedly provided with a ground nail, the upper surface of the limiting bottom plate is provided with a limiting cylinder threaded groove, the lower end opening of the limiting cylinder is provided with an external thread, and the limiting cylinder is in threaded connection and fixation with the limiting cylinder threaded groove on the upper surface of the limiting bottom plate through the external thread at the lower end opening; the axial force application pressing plate, the spring and the buffering limiting pressing plate are arranged in the limiting cylinder from top to bottom, a geophone limiting slot is formed in the lower surface of the buffering limiting pressing plate, a geophone is located in the limiting cylinder, the top end of the geophone is inserted into the geophone limiting slot in the lower surface of the limiting pressing plate, and the bottom end of the geophone extends out of the limiting bottom plate to be in contact with the ground surface; an axial force application screw penetrating hole is formed in the top cylinder wall of the limiting cylinder, an internal thread is formed in the wall surface of the axial force application screw penetrating hole, the axial force application screw is in threaded fit with the internal thread of the axial force application screw penetrating hole, the bottom end of the axial force application screw abuts against the upper surface of the axial force application pressing plate, and a nut is mounted at the top end of the axial force application screw; and a lead wire outlet hole is formed in the side wall of the bottom of the limiting cylinder, and a lead wire of the geophone extends out of the limiting cylinder through the lead wire outlet hole.
2. The seismic detector auxiliary fixing device suitable for the open-cast iron ore stope is characterized in that: the geophone is characterized in that a radial force application screw penetrating hole is formed in the wall of the limiting barrel at the side of the geophone, an internal thread is formed in the surface of the hole wall of the radial force application screw penetrating hole, a radial force application screw is arranged in the radial force application screw penetrating hole and is in threaded fit with the internal thread of the radial force application screw penetrating hole, a radial force application pressing plate is fixedly arranged at the inner end of the radial force application screw, and a nut is arranged at the outer end of the radial force application screw.
3. The seismic detector auxiliary fixing device suitable for the open-cast iron ore stope is characterized in that: the number of the radial force application screw penetrating holes is multiple, the radial force application screw penetrating holes are symmetrically distributed on the left and right sides of the central axis of the limiting cylinder, and the radial force application screw penetrating holes on one side are uniformly distributed along the central axis of the limiting cylinder.
4. The seismic detector auxiliary fixing device suitable for the open-cast iron ore stope is characterized in that: four telescopic supporting rods are evenly distributed on the upper surface of the limiting bottom plate in the circumferential direction of the limiting cylinder, one side of shading cloth is supported by the four telescopic supporting rods, and the limiting cylinder is located below the shading cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880211.1A CN110609317A (en) | 2019-09-18 | 2019-09-18 | Seismic detector auxiliary fixing device suitable for open-air iron ore stope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880211.1A CN110609317A (en) | 2019-09-18 | 2019-09-18 | Seismic detector auxiliary fixing device suitable for open-air iron ore stope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110609317A true CN110609317A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880211.1A Pending CN110609317A (en) | 2019-09-18 | 2019-09-18 | Seismic detector auxiliary fixing device suitable for open-air iron ore stope |
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| Country | Link |
|---|---|
| CN (1) | CN110609317A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127898A (en) * | 2020-09-25 | 2020-12-25 | 北京同度工程物探技术有限公司 | Mounting method of tunnel advanced prediction detector and duct piece fixing device |
| CN112147715A (en) * | 2020-08-23 | 2020-12-29 | 中铁十九局集团矿业投资有限公司 | Novel automatic-laid earthquake-electricity dual-purpose data acquisition device |
| CN113568039A (en) * | 2021-07-12 | 2021-10-29 | 中国煤炭地质总局物测队 | Retraction device of node seismograph |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147715A (en) * | 2020-08-23 | 2020-12-29 | 中铁十九局集团矿业投资有限公司 | Novel automatic-laid earthquake-electricity dual-purpose data acquisition device |
| CN112127898A (en) * | 2020-09-25 | 2020-12-25 | 北京同度工程物探技术有限公司 | Mounting method of tunnel advanced prediction detector and duct piece fixing device |
| CN113568039A (en) * | 2021-07-12 | 2021-10-29 | 中国煤炭地质总局物测队 | Retraction device of node seismograph |
| CN113568039B (en) * | 2021-07-12 | 2024-03-22 | 中国煤炭地质总局物测队 | Retraction device of node seismograph |
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