CN210977606U

CN210977606U - Embedded type fixable and recyclable microseismic sensor device

Info

Publication number: CN210977606U
Application number: CN201921939892.6U
Authority: CN
Inventors: 常选斌; 李忠群; 申志斌; 刘小鹏; 李宇杰; 武海军; 吕毅; 成鑫; 李世慧
Original assignee: Xiadian Coal Mine Shanxi Lu'an Mining Group Cilinshan Coal Industry Co ltd
Current assignee: Xiadian Coal Mine Shanxi Lu'an Mining Group Cilinshan Coal Industry Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-10
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an embedded microseism sensor device that can be fixed and recovered, sleeve pipe including both ends opening, microseism sensor body and fixing device, microseism sensor body includes resin probe receiver, sound wave probe sensor, resin probe receiver is coniform, and extend to the cover outside of tubes, fixing device includes the probe dead lever, base and nut, the probe dead lever is hollow cylindric structure, and the end is equipped with the screw thread, the probe dead lever is located sound wave probe sensor's lower extreme, and with sound wave probe sensor's end contact, the center of base is equipped with the through-hole that matches with the probe dead lever, be equipped with the external screw thread that matches with the sleeve pipe end internal thread on the outer wall of base, the probe dead lever runs through the through-hole and is fixed through the nut; the utility model discloses can satisfy the demand of sound wave probe and the abundant contact of coal body, can also protect sound wave probe sensor simultaneously, be convenient for retrieve and recycle.

Description

Embedded type fixable and recyclable microseismic sensor device

Technical Field

The utility model relates to a coal mine safety technical field, especially a bury formula and can fix and retrieve microseism sensor device.

Background

The high-yield and high-efficiency coal mine tunnel is high in tunneling speed, hydrogeological abnormal bodies such as faults and collapse columns in front of a tunneling working face need to be accurately detected and quickly forecasted, so that disastrous accidents such as water inrush at a bottom plate and a goaf are prevented, and the safe tunneling of the tunnel is ensured.

At present, the commonly used underground advanced detection means mainly comprise drilling and acoustic wave remote advanced geophysical prospecting technologies. The position, the water content and the like of geological abnormal structures such as faults, collapse columns and the like in the range of 150m in front of a general drilling working face can be detected by the sound wave remote advanced geophysical prospecting technology, and the positions, the water content and the like are data which are urgently needed by mine production; in the construction process, the operation is of obvious extra importance, sometimes a hole needs to be drilled in the top of coal, the contraction of the coal hole can cause that the recovery of the acoustic probe is difficult, and the instrument is likely to be damaged; there also arises a problem that the acoustic wave probe cannot contact the coal body (rock mass).

Disclosure of Invention

In order to overcome the defects, the utility model discloses an it can fix and retrieve microseism sensor device to bury formula, when drilling to the coal seam top, can satisfy the demand that sound wave probe and the coal body fully contacted.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

an embedded fixable and recoverable microseismic sensor device comprises a sleeve with openings at two ends, a microseismic sensor body fixed in the sleeve and a fixing device, the inner wall of the tail end of the sleeve is provided with internal threads, the microseismic sensor body comprises a resin probe receiver and an acoustic wave probe sensor, the resin probe receiver is conical and extends out of the sleeve, the fixing device comprises a probe fixing rod, a base and a nut, the probe fixing rod is of a hollow cylindrical structure, the tail end of the probe fixing rod is provided with threads, the probe fixing rod is positioned at the lower end of the acoustic wave probe sensor and is contacted with the tail end of the acoustic wave probe sensor, a through hole matched with the probe fixing rod is formed in the center of the base, an external thread matched with the internal thread at the tail end of the sleeve is arranged on the outer wall of the base, and the probe fixing rod penetrates through the through hole and is fixed through a nut; along with the continuous twisting of nut, until screwing up, guarantee like this that probe dead lever gives the ascending power of sound wave probe sensor, make resin probe receiver and coal body fully contact, also played the fixed action.

Furthermore, the diameter of the opening at the upper end of the sleeve is smaller than that of the sound wave probe sensor, the resin probe receiver is positioned at the outer end of the sleeve, and the sound wave probe sensor is positioned in the sleeve and protected by the sleeve.

Furthermore, the outer diameter of the sleeve is 94mm, and after a drill hole with the inner diameter of 94mm is drilled, the sleeve with the outer diameter of 94mm is placed in the drill hole, so that the design can ensure that a resin probe receiver positioned at the front end of the sleeve can be in contact with a coal body;

furthermore, the probe fixing rod comprises a plurality of connecting rods, and adjacent connecting rods are connected and fixed through interface cards, so that the purpose of design is to adapt the length of the probe fixing rod according to different punching lengths so as to ensure that the resin probe receiver can be perfectly contacted with a coal body or a rock body;

further, the length of the connecting rod is 1.5 m.

Compared with the prior art, the utility model discloses a but bury formula microseism sensor device that can fix and retrieve has following beneficial effect:

the utility model is used for the sound wave remote detection of the colliery, after having beaten the internal diameter 94mm and drilled, place the utility model in it, can guarantee the resin probe receiver and the abundant contact of the coal body, the resin is the macromolecular compound, its heat resistance and hardness are all very good, can guarantee the normal work of probe receiver; the utility model discloses fix the sound wave probe sensor in the sleeve, also conveniently retrieve and recycle simultaneously having played the guard action promptly, set up the probe dead lever in the sleeve, along with the continuous twisting of the nut that is located the probe dead lever end, until screwing up, guarantee like this that the probe dead lever gives the sound wave probe sensor upward power, make resin probe receiver fully contact with the coal body (rock), also played the fixed action, the utility model discloses a probe dead lever includes a plurality of connecting rods, and adjacent connecting rod passes through the interface card connection to be fixed, so the design can come the length of adaptation probe fixed lever according to different punching length to guarantee that resin probe receiver can contact with the coal body or rock mass perfectly; the utility model discloses it is easy and simple to handle, for the sound wave advanced detection reduces the influence of objective factor, make the survey data more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.

As shown in fig. 1, an embedded type fixable and recoverable microseismic sensor device comprises a sleeve 4 with openings at two ends, a microseismic sensor body fixed in the sleeve and a fixing device, wherein an internal thread is arranged on the inner wall of the tail end of the sleeve 4, the microseismic sensor body comprises a resin probe receiver 1 and an acoustic wave probe sensor 2, the resin probe receiver 1 is conical and extends out of the sleeve 4, the fixing device comprises a probe fixing rod 3, a base 5 and a nut 6, the probe fixing rod 3 is of a hollow cylindrical structure and is provided with a thread at the tail end, the probe fixing rod 3 is positioned at the lower end of the acoustic wave probe sensor 2 and is contacted with the tail end of the acoustic wave probe sensor 2, a through hole 8 matched with the probe fixing rod is arranged at the center of the base 5, and an external thread matched with the internal thread at the tail end of the sleeve 4, the probe fixing rod 3 penetrates through the through hole 8 and is fixed through the nut 6; along with the nut 6 is continuously screwed until the nut is screwed down, the probe fixing rod 3 is ensured to apply upward force to the acoustic wave probe sensor 2, so that the resin probe receiver 1 is fully contacted with the coal body, and the fixing effect is also achieved.

Referring to fig. 1, the outer diameter of the casing 4 is 94mm, after a bore hole with the inner diameter of 94mm is drilled, the outer diameter of the casing 4 is 94mm, and the casing 4 is placed in the bore hole, so that the resin probe receiver 1 at the front end of the casing 4 can be ensured to be in contact with a coal body; the probe fixing rod 3 comprises a plurality of connecting rods 9, and adjacent connecting rods 9 are connected and fixed through interface cards 7, so that the purpose of design is to adapt the length of the probe fixing rod 3 according to different punching lengths so as to ensure that the resin probe receiver 1 can be perfectly contacted with a coal body or a rock body, and the length of each connecting rod 9 is 1.5 m; the diameter of the opening at the upper end of the sleeve 4 is smaller than the diameter of the acoustic probe sensor 2, the resin probe receiver 1 is located at the outer end of the sleeve 4, and the acoustic probe sensor 2 is located inside the sleeve and protected by the sleeve 4.

The utility model is used for the sound wave remote detection of the colliery, after having beaten the internal diameter 94mm and drilled, place the utility model in it, can guarantee the resin probe receiver and the abundant contact of the coal body, the resin is the macromolecular compound, its heat resistance and hardness are all very good, can guarantee the normal work of probe receiver; the utility model discloses fix the sound wave probe sensor in the cover pipe, played the guard action simultaneously also conveniently to retrieve promptly and recycle, set up the probe dead lever in the cover pipe, along with being located the terminal nut of probe dead lever constantly twist and move, until screwing up, guarantee like this that the probe dead lever gives the ascending power of sound wave probe sensor, make resin probe receiver and coal body (rock) fully contact, also played the fixed action, the utility model discloses it is easy and simple to handle, for the sound wave advanced detection reduces the influence of objective factor, make the detection data more accurate.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. An embedded type fixable and recoverable microseismic sensor device is characterized by comprising a sleeve with openings at two ends, a microseismic sensor body fixed in the sleeve and a fixing device, the inner wall of the tail end of the sleeve is provided with internal threads, the microseismic sensor body comprises a resin probe receiver and an acoustic wave probe sensor, the resin probe receiver is conical and extends out of the sleeve, the fixing device comprises a probe fixing rod, a base and a nut, the probe fixing rod is of a hollow cylindrical structure, the tail end of the probe fixing rod is provided with threads, the probe fixing rod is positioned at the lower end of the acoustic wave probe sensor and is contacted with the tail end of the acoustic wave probe sensor, the center of base is equipped with probe dead lever assorted through-hole, be equipped with on the outer wall of base with sleeve pipe terminal internal thread assorted external screw thread, the probe dead lever runs through the through-hole and passes through the nut fixed.

2. The embedded fixable and retrieved microseismic sensor device of claim 1 wherein the diameter of the opening at the upper end of the sleeve is smaller than the diameter of the sonic probe sensor.

3. The embedded fixable and retrieved microseismic sensor device of claim 2 wherein the outer diameter of the sleeve is 94 mm.

4. The embedded fixable and retrieved microseismic sensor device of claim 3 wherein the probe-fixing bar comprises a plurality of connecting bars, adjacent connecting bars being fixed by an interface card.

5. The embedded fixable and retrieved microseismic sensor device of claim 4 wherein the connecting rod has a length of 1.5 m.