CN209875214U - Roof caving rib-stripping monitoring device for underground coal mine - Google Patents
Roof caving rib-stripping monitoring device for underground coal mine Download PDFInfo
- Publication number
- CN209875214U CN209875214U CN201920503571.5U CN201920503571U CN209875214U CN 209875214 U CN209875214 U CN 209875214U CN 201920503571 U CN201920503571 U CN 201920503571U CN 209875214 U CN209875214 U CN 209875214U
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- transverse
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- side wall
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Abstract
The utility model relates to a colliery is roof fall piece group monitoring devices in pit belongs to colliery danger source monitoring tool technical field in the pit. The utility model discloses mainly solve prior art and exist the technical problem that can't carry out accurate real-time supervision, warning to the colliery roof fall piece group state in the pit. The technical scheme of the utility model is that: a coal mine underground roof fall and rib caving monitoring device comprises a base, a vertical ruler and a transverse ruler; the bottom of the base is provided with an installation base, the upper part of the rear side wall of the base is provided with a vertical rail in the vertical direction, and the middle part of the rear side wall is provided with a horizontal rail in the horizontal direction; the vertical ruler is vertically arranged behind the base, the lower end of the vertical ruler extends into the vertical track, the upper end of the vertical ruler is provided with an upper fixing disc, and the vertical ruler can move up and down along the vertical track; the transverse ruler is horizontally arranged, one end of the transverse ruler extends into the transverse rail, the other end of the transverse ruler is provided with a transverse fixing disc, and the transverse ruler can horizontally move along the transverse rail. The utility model has the advantages of convenient and fast use, accurate real-time monitoring and alarming.
Description
Technical Field
The utility model belongs to the technical field of colliery danger source monitoring tool in the pit, in particular to colliery roof fall group of wall caving monitoring devices in the pit.
Background
When coal mines are mined underground, the most common risk factors are: the accidents of gas and coal dust explosion, water permeation accidents, rib spalling, roof fall and the like can not only cause equipment damage, but also can cause casualties of people more importantly. Roof fall refers to the phenomenon of natural collapse of the upper rock stratum in underground mining, which is caused by the damage of the original balanced mine pressure after mining and is the phenomenon of self-fall due to the out-of-control roof; the rib caving refers to the phenomenon that the side walls of the mine working face and the roadway deform and break to fall under the action of mine pressure. The prior art has the defects that the roof caving and rib caving state of the underground coal mine cannot be accurately monitored and alarmed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a colliery is roof caving rib monitoring devices in pit, solve prior art and have the technical problem that can't carry out accurate real-time supervision, warning to colliery roof caving rib state in pit.
The utility model discloses a realize through following technical scheme:
a coal mine underground roof fall caving rib monitoring device, wherein: comprises a base, a vertical ruler and a horizontal ruler;
the bottom of the base is provided with an installation base, the upper part of the rear side wall of the base is provided with a vertical rail in the vertical direction, and the middle part of the rear side wall is provided with a horizontal rail in the horizontal direction; the top surface of the base is provided with a vertical stroke sensor, and the side wall of the base, close to the transverse rail, is provided with a transverse stroke sensor;
the vertical ruler is vertically arranged behind the base, the lower end of the vertical ruler extends into the vertical track, the upper end of the vertical ruler is provided with an upper fixing disc, and the vertical ruler can move up and down along the vertical track; the edge of the side wall of the left side of the vertical ruler is provided with digital scales, the front side wall of the vertical ruler is provided with a vertical measuring rod, and the vertical measuring rod is arranged above the vertical stroke sensor;
the transverse ruler is horizontally arranged, one end of the transverse ruler extends into the transverse track, the other end of the transverse ruler is provided with a transverse fixing disc, and the transverse ruler can horizontally move along the transverse track; the edge of the upper side wall of the transverse ruler is provided with digital scales, the front side wall of the vertical ruler is provided with a transverse measuring rod, and the transverse measuring rod is arranged on one side of the transverse stroke sensor;
the top surface of the vertical stroke sensor is provided with a vertical movable contact, and the side wall of the vertical stroke sensor is provided with an output contact; the lateral wall of one side of the transverse stroke sensor, which is close to the transverse measuring rod, is provided with a transverse moving contact, and the bottom surface of the transverse stroke sensor is provided with an output contact;
all be equipped with the fixing bolt hole on upper fixed disk, the lower fixed disk and the installation base.
Furthermore, the vertical rail is rotatably adjusted on the rear side wall of the base as required, and the vertical ruler, the vertical measuring rod and the vertical stroke sensor rotate correspondingly to the vertical rail.
The arrangement of the vertical ruler and the horizontal ruler of the utility model can accurately monitor the state of roof caving rib under the coal mine in real time through detecting the positions in the horizontal and vertical directions; the arrangement of the vertical stroke sensor, the transverse stroke sensor, the vertical measuring rod and the transverse measuring rod can realize the alarm after the deformation reaches a certain degree. Compared with the prior art, the utility model has the advantages of convenient to use is swift, can carry out accurate real-time supervision, report to the police.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a left side view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the coal mine underground roof fall and rib caving monitoring device in the embodiment includes: comprises a base 1, a vertical ruler 2 and a horizontal ruler 3;
the bottom of the base 1 is provided with an installation base 4, the upper part of the rear side wall of the base 1 is provided with a vertical rail 5 in the vertical direction, and the middle part of the rear side wall of the base 1 is provided with a horizontal rail 6 in the horizontal direction; a vertical stroke sensor 7 is arranged on the top surface of the base 1, and a transverse stroke sensor 8 is arranged on the side wall of the base 1 close to the transverse rail 6;
the vertical ruler 2 is vertically arranged behind the base 1, the lower end of the vertical ruler extends into the vertical rail 5, the upper end of the vertical ruler 2 is provided with an upper fixing disc 9, and the vertical ruler 2 can move up and down along the vertical rail 5; the edge of the side wall of the left side of the vertical ruler 2 is provided with digital scales, the front side wall of the vertical ruler 2 is provided with a vertical measuring rod 10, and the vertical measuring rod 10 is arranged above the vertical stroke sensor 7;
the transverse ruler 3 is horizontally arranged, one end of the transverse ruler extends into the transverse rail 6, the other end of the transverse ruler 3 is provided with a transverse fixing disc 11, and the transverse ruler 3 can horizontally move along the transverse rail 6; the edge of the front side wall of the transverse ruler 3 is provided with digital scales, the front side wall of the transverse ruler 3 is provided with a transverse measuring rod 12, and the transverse measuring rod 12 is arranged on one side of the transverse stroke sensor 8;
the top surface of the vertical stroke sensor 7 is provided with a vertical movable contact 13, and the side wall of the vertical stroke sensor is provided with an output contact; the lateral wall of the lateral stroke sensor 8 close to one side of the lateral measuring rod 12 is provided with a lateral movable contact 14, and the bottom surface is provided with an output contact;
and the upper fixing disk 9, the lower fixing disk 11 and the mounting base 4 are all provided with fixing bolt holes 15.
The vertical rail 5 is rotatably adjusted on the rear side wall of the base 1 as required, and the vertical ruler 2, the vertical measuring rod 10 and the vertical stroke sensor 7 rotate correspondingly to the vertical rail 5.
The utility model discloses a working process: fixing a base of the base 1 on a roadway bottom plate by using bolts, inserting the vertical ruler 2 into the vertical rail 5, and fixing an upper fixing disc 9 on a roadway top plate by using bolts; inserting the transverse ruler 3 into the transverse rail 6, and fixing the transverse fixing disc 11 on the side wall of the roadway by using bolts; the vertical measuring rod 10 is mounted in place and the lateral measuring rod 12 is mounted in place.
Manually observing the digital scales on the vertical ruler 2 and the horizontal ruler 3, recording real-time data, and drawing deformation curve graphs of the top plate and the side walls; when the deformation of the top plate is large and reaches a warning value, the vertical measuring rod 10 just touches the movable contact of the vertical stroke sensor 7, the output contact of the vertical stroke sensor 7 is closed, and the electric bell gives out sound-light alarm; when the deformation of the tunnel side wall is large and reaches a warning value, the transverse measuring rod 12 just touches the movable contact of the transverse stroke sensor 8, the output contact of the transverse stroke sensor 8 is closed, and the electric bell gives out sound and light alarm.
As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (2)
1. A coal mine underground roof fall rib caving monitoring device is characterized in that: comprises a base (1), a vertical ruler (2) and a transverse ruler (3);
the bottom of the base (1) is provided with an installation base (4), the upper part of the rear side wall of the base (1) is provided with a vertical rail (5) in the vertical direction, and the middle part of the rear side wall of the base (1) is provided with a horizontal rail (6) in the horizontal direction; a vertical stroke sensor (7) is arranged on the top surface of the base (1), and a transverse stroke sensor (8) is arranged on the side wall of the base (1) close to the transverse rail (6);
the vertical ruler (2) is vertically arranged behind the base (1), the lower end of the vertical ruler extends into the vertical rail (5), the upper end of the vertical ruler (2) is provided with an upper fixing disc (9), and the vertical ruler (2) can move up and down along the vertical rail (5); the edge of the side wall of the left side of the vertical ruler (2) is provided with digital scales, the front side wall of the vertical ruler (2) is provided with a vertical measuring rod (10), and the vertical measuring rod (10) is arranged above the vertical stroke sensor (7);
the transverse ruler (3) is horizontally arranged, one end of the transverse ruler extends into the transverse track (6), the other end of the transverse ruler (3) is provided with a transverse fixing disc (11), and the transverse ruler (3) can horizontally move along the transverse track (6); the edge of the front side wall of the transverse ruler (3) is provided with digital scales, the front side wall of the transverse ruler (3) is provided with a transverse measuring rod (12), and the transverse measuring rod (12) is arranged on one side of the transverse stroke sensor (8);
the top surface of the vertical stroke sensor (7) is provided with a vertical movable contact (13), and the side wall of the vertical stroke sensor is provided with an output contact; the lateral wall of one side of the transverse stroke sensor (8) close to the transverse measuring rod (12) is provided with a transverse moving contact (14), and the bottom surface is provided with an output contact;
and the upper fixing disc (9), the lower fixing disc (11) and the mounting base (4) are all provided with fixing bolt holes (15).
2. The coal mine underground roof fall and rib caving monitoring device according to claim 1, characterized in that: the vertical rail (5) is rotationally adjusted on the rear side wall of the base (1) as required, and the vertical ruler (2), the vertical measuring rod (10) and the vertical stroke sensor (7) rotate correspondingly to the vertical rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503571.5U CN209875214U (en) | 2019-04-15 | 2019-04-15 | Roof caving rib-stripping monitoring device for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503571.5U CN209875214U (en) | 2019-04-15 | 2019-04-15 | Roof caving rib-stripping monitoring device for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875214U true CN209875214U (en) | 2019-12-31 |
Family
ID=68960004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920503571.5U Expired - Fee Related CN209875214U (en) | 2019-04-15 | 2019-04-15 | Roof caving rib-stripping monitoring device for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875214U (en) |
-
2019
- 2019-04-15 CN CN201920503571.5U patent/CN209875214U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20200415 |