CN218272225U

CN218272225U - Sensor protection cover for underground coal mine

Info

Publication number: CN218272225U
Application number: CN202222407036.4U
Authority: CN
Inventors: 周文基; 侯国培; 马勇; 吴昌; 刘辉; 亓静超
Original assignee: Huaneng Lingtai Shaozhai Coal Industry Co ltd
Current assignee: Huaneng Lingtai Shaozhai Coal Industry Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-10
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a sensor protection cover used in the underground of a coal mine, a methane sensor is placed in a second placing cavity, the bottom of the methane sensor is inserted in a first through groove, a scale component is arranged at the rear side of a first shell, a fixing component is arranged at the rear side of the first shell, and the fixing component is positioned above the scale component; the first shell is arranged to protect the methane sensor, so that the methane sensor is prevented from being collided and bumped in the moving process, and the methane sensor is prevented from being damaged and the normal use of the methane sensor is prevented from being influenced; through the setting of scale, second casing and fixing bolt for the methane sensor is when the installation, is not less than 200mm apart from the lane group, and whether more audio-visual observation methane sensor's installation is standard, the security in effectual assurance colliery, the device is when not using simultaneously, can protect the scale through the second casing, avoids the scale to take place to damage.

Description

Sensor protection cover for underground coal mine

Technical Field

The utility model relates to a colliery technical field specifically is a colliery is sensor safety cover for in pit.

Background

The sensors commonly used in the underground coal mine are mostly methane sensors, the methane sensors are used in coal mine roadways, mining working faces, goafs, return air roadways, electromechanical chambers and the like in a coal mine safety detection system to continuously monitor the methane concentration, when the methane concentration exceeds the limit, sound and light alarms can be automatically sent out, and the methane sensors can be used by operators, methane detection personnel, underground managers and the like in the underground coal mine for carrying about and also can be used for fixing the places. When the methane sensor is used in a roadway, the methane sensor is required to be hung according to coal mine safety regulations, the existing methane sensor is directly hung, so that the methane sensor is exposed in the roadway, no protective measures are provided, meanwhile, the methane sensor cannot be visually seen, and whether the hanging of the methane sensor accords with the coal mine safety regulations or not is judged, therefore, the sensor protection cover for the underground coal mine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is sensor safety cover for in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery is sensor safety cover for pit, includes first casing, the inside of first casing is equipped with the first chamber of placing, the first left side of placing the chamber is equipped with the second and places the chamber, the second is placed the bottom in chamber and has been seted up first logical groove, the right side of first casing is equipped with the second and leads to the groove, the methane sensor has been placed to the second inside of placing the chamber, the bottom of methane sensor inserts in the inside in first logical groove, the rear side of first casing is equipped with the scale subassembly, the rear side of first casing is equipped with fixed subassembly, fixed subassembly is located the top of scale subassembly.

As further preferable in the present technical solution: fixed subassembly includes that quantity is two couples, two the equal fixed connection of couple is in the rear side top of first casing, two first recess has all been seted up to the one end of couple, the inside swing joint of first recess has the connecting axle, the fixed cover in the outside of connecting axle has connect spacing post, the one end of spacing post is located the outside of connecting axle and is equipped with the second recess, the outside of connecting axle is located the inside activity of second recess and has cup jointed the torsional spring, the one end fixed connection of torsional spring is in the bottom of second recess, the other end of torsional spring passes through spliced pole fixed connection in the inboard of first recess, the one end fixedly connected with connecting plate of spacing post, the inboard fixedly connected with dog of couple, the other end of spacing post is contradicted and is kept away from the one end of couple at the dog.

As further preferable in the present technical solution: the scale subassembly includes second casing, scale and fixing bolt, second casing fixed connection locates in the rear side center of first casing, the scale activity inserts in the one end of second casing, fixing bolt passes through threaded connection in the outside one end of second casing, fixing bolt's one end is contradicted in one side of scale.

As further preferable in the present technical solution: the front side top of first casing is equipped with first observation groove and second observation groove respectively, the front side bottom of first casing is located the below in second observation groove and is equipped with the third observation groove.

As further preferable in the present technical solution: and a display screen positioned on the inner side of the second observation groove is arranged on the methane sensor, and a connecting wire placed in the second through groove is arranged on the methane sensor.

As further preferable in the present technical solution: the distance between the first shell and the top of the hook is 280mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the methane sensor is protected by arranging the first shell, and the methane sensor is prevented from colliding and colliding in the moving process, so that the methane sensor is damaged, and the normal use of the methane sensor is influenced.

2. Through the setting of scale, second casing and fixing bolt for methane sensor when the installation, is not less than 200mm apart from the lane group, whether more audio-visual observation methane sensor's installation is standard, the security in effectual assurance colliery, the device is when not using simultaneously, can protect the scale through the second casing, avoids the scale to take place to damage.

3. At the in-process that hangs, contradict on hanging the pole through spacing post, the first casing of downward pulling for it promotes spacing post and rotates along the connecting axle to hang the pole, when hanging the pole and breaking away from the connecting axle, spacing post resets under the effect of torsional spring, thereby the one end that drives spacing post is contradicted in the one end of dog, because the one end of spacing post and dog is the inclined plane setting, make first casing can not take place to drop because of external factors when hanging, can more effectual protection methane sensor.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a rear view structural diagram of the first housing of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the hook of the present invention;

fig. 5 is a schematic diagram of the structure of the limit post of the present invention.

In the figure: 1. a first housing; 2. a first placing cavity; 3. a second placing cavity; 4. a first through groove; 5. a second through groove; 6. a methane sensor; 7. a scale assembly; 71. a second housing; 72. a graduated scale; 73. fixing the bolt; 8. a fixing assembly; 81. hooking; 82. a first groove; 83. a connecting shaft; 84. a limiting column; 85. a second groove; 86. a torsion spring; 87. a connecting plate; 88. a stopper; 9. a first observation slot; 10. a second observation tank; 11. a third observation tank; 12. a display screen; 13. and connecting the wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a colliery is sensor safety cover for pit, including first casing 1, the inside of first casing 1 is equipped with the first chamber 2 of placing, through placing the portable alarm instrument of methane in the first inside of placing chamber 2, place side by side with methane sensor 6 and realize the data comparison, the first left side of placing chamber 2 is equipped with the second and places chamber 3, the second is placed the bottom of chamber 3 and has been seted up first logical groove 4, the right side of first casing 1 is equipped with the logical groove 5 of second, the second is placed the inside of chamber 3 and has been placed methane sensor 6, protect methane sensor 6 through setting up first casing 1, avoid methane sensor 6 to appear colliding with the collision moving in-process, thereby lead to methane sensor 6 to take place to damage, influence methane sensor 6's normal use, the bottom of methane sensor 6 inserts in the first inside that leads to groove 4, the rear side of first casing 1 is equipped with scale subassembly 7, the rear side of first casing 1 is equipped with fixed subassembly 8, fixed subassembly 8 is located scale subassembly 7's top.

Fixed subassembly 8 includes that quantity is couple 81 two, the equal fixed connection in the rear side top of first casing 1 of two couple 81, first recess 82 has all been seted up to the one end of two couple 81, the inside swing joint of first recess 82 has connecting axle 83, spacing post 84 has been cup jointed to the outside of connecting axle 83 fixedly, the outside that the one end of spacing post 84 is located connecting axle 83 is equipped with second recess 85, torsional spring 86 has been cup jointed in the inside activity that the outside of connecting axle 83 is located second recess 85, torsional spring 86's one end fixed connection is in the bottom of second recess 85, torsional spring 86's the other end passes through spliced pole fixed connection in the inboard of first recess 82, the one end fixedly connected with connecting plate 87 of spacing post 84, the inboard fixedly connected with dog 88 of couple 81, the other end of spacing post 84 conflicts the one end of keeping away from couple 81 at dog 88, at the in-process of hanging, conflict on the suspension rod through spacing post 84, first casing 1 is stimulateeed downwards, make suspension rod promote spacing post 84 to rotate along conflict 83, when breaking away from connecting axle 83, spacing post 84, the effect is not more than the sensor because the roof 8 mm that the roof sets up the effectual overhead distance of methane sensor 200mm, it is not more than the roof 200mm to hang the overhead distance of the sensor because the roof 8.

Scale subassembly 7 includes second casing 71, scale 72 and fixing bolt 73, second casing 71 fixed connection is in the rear side center department of first casing 1, the activity of scale 72 inserts in the one end of second casing 71, fixing bolt 73 passes through threaded connection in the outside one end of second casing 71, the one end of fixing bolt 73 is contradicted in one side of scale 72, through scale 72, the setting of second casing 71 and fixing bolt 73, make methane sensor 6 when the installation, it is not less than 200mm apart from the lane group, more audio-visual observation methane sensor 6's installation is standard, the security in effectual assurance coal mine, the device is when not using simultaneously, can protect scale 72 through second casing 71, avoid scale 72 to take place the damage, the front side top of first casing 1 is equipped with first observation groove 9 and second observation groove 10 respectively, the front side bottom of first casing 1 is located the below of second observation groove 10 and is equipped with third observation groove 11, through the setting of second observation groove 10 and third observation groove 11, it is more convenient to observe methane sensor 6, it places in the inside display screen 13 that is equipped with the second observation groove 6 to observe the methane sensor 6.

According to the working principle or the structural principle, when the underground coal mine methane sensor 6 is used, the methane sensor 6 is placed inside the second placing cavity 3, the requirement of the methane sensor 6 does not exceed 5m, the methane sensor 6 can move forwards in time along with the continuous tunneling of a tunneling working face, collision and collision are inevitable in the moving process, the methane sensor 6 is protected through the first shell 1, the methane sensor 6 in work can be visually observed through the arrangement of the second observing groove 10 and the third observing groove 11, one end of the fixing bolt 73 is enabled to be separated from the outer side of the graduated scale 72 through the reverse rotation of the fixing bolt 73, the graduated scale 72 can be pulled out by at least 200mm according to the coal mine safety regulation, one end of the fixing bolt 73 is enabled to abut against one side of the graduated scale 72 through the forward rotation of the fixing bolt 73, the position of the graduated scale 72 is fixed, the methane sensor 6 is enabled to be not smaller than 200mm when the methane sensor 6 is installed, the installation of the methane sensor 6 is more visually observed whether the methane sensor 6 is standard, the safety of a coal mine is effectively guaranteed, meanwhile, the graduated scale 72 is arranged on one side by side, the methane sensor can be placed in a portable methane sensor protection device, and the methane sensor is prevented from being placed in a side by side, and a methane sensor 6, and a methane sensor can be placed side by side when the first shell is placed in a methane sensor 2;

after the methane sensor 6 and the portable methane alarm are placed, the first shell 1 is hung in a roadway of a coal mine through the hook 81, in the hanging process, the first shell 1 is pushed downwards by the limiting column 84 to push the limiting column 84 to rotate along the connecting shaft 83, when the hanging rod is separated from the connecting shaft 83, the limiting column 84 resets under the action of the torsion spring 86, so that one end of the limiting column 84 is pushed to abut against one end of the stop block 88, and the limiting column 84 and one end of the stop block 88 are arranged in an inclined plane, so that the hook 81 cannot fall off due to external factors when being hung, and the methane sensor 6 can be protected more effectively;

along with the continuous tunnelling of tunnelling working face needs in time with the antedisplacement of methane sensor 6, when taking off first casing 1, press connecting plate 87 respectively through the both hands thumb, make connecting plate 87 drive spacing post 84 and use connecting axle 83 as the centre of a circle to rotate, make the one end of spacing post 84 break away from dog 88, when connecting plate 87 can't be pressed, through upwards lifting and drawing couple 81, make the one end of spacing post 84 be located the outside of suspension rod, can loosen the thumb this moment, make spacing post 84 conflict in the outside of suspension rod, can dismantle first casing 1, and easy operation is swift.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery is sensor safety cover for pit, includes first casing (1), its characterized in that: the inside of first casing (1) is equipped with the first chamber (2) of placing, the first left side of placing chamber (2) is equipped with the second and places chamber (3), the second is placed the bottom in chamber (3) and has been seted up first logical groove (4), the right side of first casing (1) is equipped with second through groove (5), methane sensor (6) have been placed to the second inside of placing chamber (3), the bottom of methane sensor (6) inserts in the inside of first logical groove (4), the rear side of first casing (1) is equipped with scale subassembly (7), the rear side of first casing (1) is equipped with fixed subassembly (8), fixed subassembly (8) are located the top of scale subassembly (7).

2. The coal mine underground sensor protection cover according to claim 1, characterized in that: fixed subassembly (8) are couple (81) two, two including quantity couple (81) equal fixed connection in the rear side top of first casing (1), two first recess (82) have all been seted up to the one end of couple (81), the inside swing joint of first recess (82) has connecting axle (83), spacing post (84) have been fixed to have cup jointed in the outside of connecting axle (83), the outside that the one end of spacing post (84) is located connecting axle (83) is equipped with second recess (85), the inside activity that the outside of connecting axle (83) is located second recess (85) has cup jointed torsional spring (86), the one end fixed connection of torsional spring (86) is in the bottom of second recess (85), the other end of torsional spring (86) passes through spliced pole fixed connection in the inboard of first recess (82), the one end fixedly connected with connecting plate (87) of spacing post (84), the inboard fixedly connected with dog (88) of couple (81), the other end conflict of spacing post (84) is kept away from the one end of couple (81) in dog (88).

3. The coal mine underground sensor protection cover according to claim 1, characterized in that: scale subassembly (7) include second casing (71), scale (72) and fixing bolt (73), second casing (71) fixed connection is in the rear side center department of first casing (1), scale (72) activity is inserted in the one end of second casing (71), fixing bolt (73) pass through threaded connection in the outside one end of second casing (71), the one end of fixing bolt (73) is contradicted in one side of scale (72).

4. The coal mine underground sensor protection cover according to claim 1, characterized in that: the front side top of first casing (1) is equipped with first observation groove (9) and second observation groove (10) respectively, the below that the front side bottom of first casing (1) is located second observation groove (10) is equipped with third observation groove (11).

5. The coal mine underground sensor protection cover according to claim 4, characterized in that: and a display screen (12) positioned on the inner side of the second observation groove (10) is arranged on the methane sensor (6), and a connecting wire (13) placed inside the second through groove (5) is arranged on the methane sensor (6).

6. The coal mine underground sensor protection cover according to claim 2, characterized in that: the distance between the first shell (1) and the top of the hook (81) is 280mm.