CN106949869B - Rock stratum displacement monitoring point positioning device - Google Patents
Rock stratum displacement monitoring point positioning device Download PDFInfo
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- CN106949869B CN106949869B CN201710290702.1A CN201710290702A CN106949869B CN 106949869 B CN106949869 B CN 106949869B CN 201710290702 A CN201710290702 A CN 201710290702A CN 106949869 B CN106949869 B CN 106949869B
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- hoop
- displacement monitoring
- holes
- rock stratum
- monitoring point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a rock stratum displacement monitoring point positioning device which comprises a first hoop, a second hoop, a third hoop, a connecting rod, a secondary rod, two elastic contraction devices and two screw rods, wherein the bottom end of the connecting rod is hinged to the first hoop, the top end of the secondary rod is hinged to the third hoop, the two elastic contraction devices and the two screw rods are connected with the first hoop and the third hoop, the first hoop is provided with four through holes, the third hoop is provided with two round holes and two special-shaped holes, the round holes and the special-shaped holes are arranged at intervals, one end of each elastic contraction device is connected with the two round holes of the third hoop, the other end of each elastic contraction device is connected with the corresponding through hole in the first hoop, the bottom end of each screw rod penetrates through the through hole in the first hoop, the other end of each elastic contraction device penetrates through the special-shaped hole in the third hoop, a notch is formed in the second hoop, the first hoop and the second hoop are connected through connecting pipes, the tops of the elastic buckles are arranged on the connecting pipes, and the outer sides of the top ends of the connecting rods are connected with supporting claws through rotating shafts. The invention can conveniently and stably carry out positioning and fixing in the rock stratum displacement monitoring and timely acquire the rock stratum activity data.
Description
Technical Field
The invention relates to the field of coal mining safety monitoring, in particular to a rock stratum displacement monitoring point positioning device.
Background
The coal mining depth and the mining strength of China are increasingly large, the first layer of coal is gradually mined with the continuous mining of coal mines, and the research on the coal mining technology and the mine pressure theory under the goaf is bound to be involved when the next coal group is mined.
For coal mine production and theoretical research, rock stratum displacement monitoring is an extremely important research means. However, the displacement monitoring of the rock stratum with a goaf in overlying strata is always a difficult problem, and after ground drilling is carried out in the goaf, the hole wall is incomplete, the drilling fluid loss is serious, and the general drilling technology cannot meet the requirements, so that the displacement system of the whole rock stratum cannot be monitored. The existing rock stratum displacement monitoring equipment cannot meet the requirements of actual production and work, so that a rock stratum displacement monitoring point positioning device which can be convenient, stable and reliable is needed, the requirements of rock stratum displacement monitoring work are met, and rock stratum activity information can be effectively and timely obtained.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rock stratum displacement monitoring point positioning device which can be used for conveniently and stably positioning and fixing in rock stratum displacement monitoring and timely acquiring rock stratum activity data.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a rock stratum displacement monitoring point positioner, includes that first hoop, second hoop, third hoop, bottom articulate connecting rod, the top on first hoop hinge vice pole on the third hoop, connect two elastic contraction device and two screws of first hoop and third hoop, first hoop is provided with four through-holes, be provided with two round holes and two dysmorphism holes on the third hoop, round hole and dysmorphism hole interval set up, two round hole other ends that two elastic contraction device one end were connected the third hoop respectively connect the corresponding through-hole on the first hoop, two through-holes of first hoop are passed to the screw rod bottom, and the dysmorphism hole on the third hoop is passed to the other end, it is provided with the breach to correspond spring and screw rod position on the second hoop, first hoop and second hoop pass through the connecting pipe and connect, the connecting pipe top is provided with the elasticity buckle, the connecting rod top outside is connected with the support claw through the pivot.
In order to better realize the invention, a first pull ring is arranged on the inner side of the top end of the connecting rod, a second pull ring is arranged on the outer side of the top end of the auxiliary rod, the first pull ring and the second pull ring are connected through a synthetic resin belt, and a heating electrode is arranged on the synthetic resin belt.
Further, the supporting claw is in a square disc shape.
Preferably, a ratchet wheel is arranged at the bottom end of the screw rod, and a pawl and a tension spring are arranged on the bottom surface of the first hoop corresponding to the ratchet wheel.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention can conveniently and stably carry out positioning and fixing in the rock stratum displacement monitoring and timely acquire the rock stratum activity data.
Drawings
FIG. 1 is a schematic view of a half-section structure of the present invention.
Figure 2 is a schematic of a third hoop structure of the present invention.
Figure 3 is a schematic view of the structure of the first hoop, the second hoop and the connecting pipe of the present invention.
FIG. 4 is a schematic diagram of the initial state structure of the present invention.
Fig. 5 is a structural diagram of the open state of the present invention.
Figure 6 is an enlarged partial view of the bottom of the first hoop of the present invention.
Fig. 7 is a partially enlarged schematic view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
As shown in fig. 1, 2 and 3, a rock stratum displacement monitoring point positioning device comprises a first hoop 1, a second hoop 2, a third hoop 3, a connecting rod 4 with a bottom end hinged on the first hoop 1, a secondary rod 5 with a top end hinged on the third hoop 3, two elastic contraction devices 6 and two screws 7, wherein the two elastic contraction devices 6 are connected with the first hoop 1 and the third hoop 3, the first hoop 1 is provided with four through holes 101, the third hoop 3 is provided with two round holes 301 and two special-shaped holes 302, the round holes 301 and the special-shaped holes 302 are arranged at intervals, one ends of the two elastic contraction devices 6 are respectively connected with the two round holes 301 of the third hoop 3, the other ends of the two elastic contraction devices are connected with the corresponding through holes 101 of the first hoop 1, the bottom end of the screw 7 passes through the through hole 101 of the first hoop 1, the other end of the screw passes through the special-shaped hole 302 of the third hoop 3, the second hoop 2 is provided with notches 201 corresponding to the spring 6 and the screw 7, the first hoop 1 and the second hoop 2 are connected with the elastic connecting pipe 8, the top end of the connecting pipe is provided with a claw 9.
In order to better implement the present invention, as shown in fig. 7, a first tab 401 is provided on the inner side of the top end of the connecting rod 4, a second tab 501 is provided on the outer side of the top end of the secondary rod 5, the first tab 401 and the second tab 501 are connected by a synthetic resin tape 10, and a heat generating electrode 1001 is provided on the synthetic resin tape 10.
Further, the support claw 9 is in a square disk shape.
Preferably, as shown in fig. 6, a ratchet 701 is provided at a bottom end of the screw 7, and a pawl 701 and a tension spring 703 are provided on a bottom surface of the first hoop 1 at positions corresponding to the ratchet 701.
When the rock stratum displacement monitoring point positioning device is used, the following steps are carried out:
firstly, fixing a rock stratum displacement monitoring point positioning device on a PVC (polyvinyl chloride) measuring tube according to the actual drilling depth required by design, connecting the rock stratum displacement monitoring point positioning device and the rock stratum displacement monitoring device by using a steel strand measuring line, putting the PVC measuring tube into a drill hole section by section, paying attention to the firmness and reliability of a joint in the lowering process, arranging a person specially for monitoring steel wire arrangement in the installation process, fixing a measuring line at intervals of 1 meter by using an adhesive tape, cutting the last section at a position 0.5 meter higher than the ground, and then, forming the rock stratum displacement monitoring point positioning device as shown in figure 4;
then, a heating electrode 1001 on the rock stratum displacement monitoring point positioning device is switched on, the synthetic resin belt 10 connecting the connecting rod 4 and the auxiliary rod 5 is fused, at the moment, the third hoop 3 moves towards the second hoop 2 at a certain speed under the action of the pulling force of the elastic connecting device 6 and the resistance generated by the screw 7, the connecting rod 4 is outwards opened, when the supporting claw 9 is contacted with the hole wall, the expansion is stopped, and at the moment, the screw 7 is prevented from rotating by the matching of a pawl 702 and a ratchet 701 as shown in fig. 6;
when the rock stratum displacement monitoring point positioning device is completely opened, as shown in fig. 5, the elastic buckle 801 at the top end of the connecting pipe 8 clamps the top of the third hoop 3, so that the device is fixed in shape;
after the device is fixed, the overburden displacement change of the rock stratum where the drilling hole is located can be monitored, when the rock stratum is influenced by mining and is displaced, the rock stratum displacement monitoring point positioning device synchronously moves and drives the steel strand measuring line to be displaced, and the rock stratum displacement monitoring device can measure the displacement of different strata according to the difference of displacement values of measuring points at different depths.
In summary, the present invention can be better implemented by those skilled in the art through the description of the embodiment.
Claims (4)
1. The utility model provides a stratum displacement monitoring point positioner which characterized in that: including first hoop, second hoop, third hoop, connecting rod, the top that the bottom articulates on first hoop hinge the accessory rod on the third hoop, connect two elastic contraction device and two screws rods of first hoop and third hoop, first hoop is provided with four through-holes, be provided with two round holes and two dysmorphism holes on the third hoop, round hole and dysmorphism hole interval set up, two round hole other ends connection third hoop corresponding through-hole on first hoop are connected respectively to two elastic contraction device one ends, two through-holes of first hoop are passed to the screw rod bottom, and the dysmorphism hole on the third hoop is passed to the other end, correspond spring and screw rod position on the second hoop and be provided with the breach, first hoop and second hoop pass through the connecting pipe and connect, the connecting pipe top is provided with the elasticity buckle, the connecting rod top outside is connected with the support claw through the pivot.
2. The formation displacement monitoring point locating device of claim 1, wherein: the inner side of the top end of the connecting rod is provided with a first pull ring, the outer side of the top end of the auxiliary rod is provided with a second pull ring, the first pull ring and the second pull ring are connected through a synthetic resin belt, and a heating electrode is arranged on the synthetic resin belt.
3. The formation displacement monitoring point locating device of claim 1, wherein: the supporting claw is in a square disc shape.
4. The formation displacement monitoring point locating device of claim 1, wherein: the bottom end of the screw rod is provided with a ratchet wheel, and the bottom surface of the first hoop is provided with a pawl and a tension spring corresponding to the ratchet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290702.1A CN106949869B (en) | 2017-04-28 | 2017-04-28 | Rock stratum displacement monitoring point positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290702.1A CN106949869B (en) | 2017-04-28 | 2017-04-28 | Rock stratum displacement monitoring point positioning device |
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| Publication Number | Publication Date |
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| CN106949869A CN106949869A (en) | 2017-07-14 |
| CN106949869B true CN106949869B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710290702.1A Active CN106949869B (en) | 2017-04-28 | 2017-04-28 | Rock stratum displacement monitoring point positioning device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532810A (en) * | 2009-04-02 | 2009-09-16 | 中国矿业大学 | Rock stratum deep hole displacement monitor and quick mounting method |
| CN201867379U (en) * | 2011-02-25 | 2011-06-15 | 沈阳东管电力管道工程有限公司 | Flaw detector with positioning device |
| CN103278065A (en) * | 2013-05-17 | 2013-09-04 | 广东宏大爆破股份有限公司 | Rock stratum bidirectional displacement monitoring device and monitoring method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10099349B2 (en) * | 2015-01-23 | 2018-10-16 | Snap-On Incorporated | Elastic member retention device for ratchet mechanism |
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2017
- 2017-04-28 CN CN201710290702.1A patent/CN106949869B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532810A (en) * | 2009-04-02 | 2009-09-16 | 中国矿业大学 | Rock stratum deep hole displacement monitor and quick mounting method |
| CN201867379U (en) * | 2011-02-25 | 2011-06-15 | 沈阳东管电力管道工程有限公司 | Flaw detector with positioning device |
| CN103278065A (en) * | 2013-05-17 | 2013-09-04 | 广东宏大爆破股份有限公司 | Rock stratum bidirectional displacement monitoring device and monitoring method |
Non-Patent Citations (1)
| Title |
|---|
| 三山岛海底金矿开采充填体与顶板岩层的变形监测研究;马凤山等;《黄金科学技术》;20160815(第04期);全文 * |
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| CN106949869A (en) | 2017-07-14 |
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