CN210127860U

CN210127860U - Coal mining roadway supporting device with warning function

Info

Publication number: CN210127860U
Application number: CN201920804675.XU
Authority: CN
Inventors: 刘洪洋; 马晖; 谢小平; 梁华杰; 刘建刚
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-06
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a coal mining roadway support device with warning function, including branch and control module, the branch is provided with two, the bottom fixed welding of branch has the mounting panel, the bottom fixed welding of mounting panel has the pointed end, the top of two branch is through fastening bolt fixed mounting have the horizontal pole, the lower extreme fixed mounting of horizontal pole has detection module and bee calling organ, reinforcement fixed connection branch and horizontal pole; the control module is electrically connected with the detection module, the buzzer, the power supply and the communication module respectively; the utility model discloses be equipped with multiple mounting means, can increase the stability of branch like this, adopted the riveting to add the connected mode of fastening bolt between branch and the horizontal pole, effectual increase is connected with the stability between horizontal pole to be equipped with detection module on the tunnel is strutted, be equipped with methane sensor and negative pressure sensor in the detection module, can alert the workman on tunnel and ground.

Description

Coal mining roadway supporting device with warning function

Technical Field

The utility model relates to a colliery is strutted alarm technical field, specifically is a coal mining roadway support device with warning function.

Background

The coal mining is generally divided into underground coal mines and open pit coal mines, the coal mines are reasonable spaces excavated by humans during excavation of geological strata rich in coal, generally comprise roadways, wells, excavation faces and the like, the coal is the most main solid fuel and is one of combustible organic rocks, the coal is mainly formed by luxuriant plants growing in certain geological age, gradually stacked into thick layers in a proper geological environment and buried in water bottom or silt, and through the natural coalification effect II of the long geological age, most coal seams are far away from the earth surface, so open pit mining cannot be carried out, underground mining accounts for sixty percent of world production, in a mine pit, the coal seams are generally propelled by using a room-pillar method, and beam columns are used for supporting the mine pit; can use the tunnel to carry out the transportation of coal car in underground mining, the tunnel need use supporting device to support the tunnel when excavating, prevent that the tunnel from taking place to sink in the mining, current tunnel is strutted all to be simple wood or steel and is binded just can, the strutting of preparation is not very firm like this, long-time use makes the connector fracture very easily, and current strutting does not have any alarm facility, just so can not warn the dangerous condition of colliery workman in advance, just so urgently need a tunnel supporting device that can warn in advance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mining tunnel supporting device with warning function has and can fix at mud ground or cement ground mounting means, is equipped with advantages such as the mode that the riveting presss from both sides the fastening bolt and fixes and the device that has the warning and remind for 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: a coal mining roadway supporting device with a warning function comprises two supporting rods and a control module, wherein a mounting plate is fixedly welded at the bottom end of each supporting rod, a tip is fixedly welded at the bottom end of the mounting plate, a cross rod is fixedly mounted at the tops of the two supporting rods through fastening bolts, a detection module and a buzzer are fixedly mounted at the lower end of the cross rod, jacks are respectively arranged on the supporting rods and the cross rod, reinforcing members are fixedly connected in the jacks through the fastening bolts, and the reinforcing members are fixedly connected with the supporting rods and the cross rod;

the control module is electrically connected with the detection module, the control module is electrically connected with the buzzer, the control module is electrically connected with the power supply, and the control module is electrically connected with the communication module.

Preferably, the top of branch is equipped with the recess, and the horizontal pole block is connected in the recess.

Preferably, a methane sensor and a negative pressure sensor are arranged in the detection module.

Preferably, a network crystal oscillator, a decoupling capacitor and a polarization resistor are required to be arranged in the communication module chip circuit.

Preferably, the power supply circuit is provided with a filter capacitor, a voltage stabilizing diode and a voltage stabilizing integrated circuit chip 7805.

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

the utility model is provided with the tip and the mounting plate which can be installed and fixed on the mud or fixed inside the cement ground through the mounting plate, thereby increasing the stability of the supporting rod, avoiding falling of the supporting rod and causing tunnel collapse, and adopting a connection mode of riveting and fastening bolts in the connection mode of the supporting rod and the cross rod, thereby effectively increasing the stable connection between the supporting rod and the cross rod, preventing long time, leading the connecting end between the supporting rod and the cross rod to fall off, causing the separation of the supporting rod and the cross rod and further causing tunnel collapse, and being provided with a detection module on a tunnel support, a methane sensor and a negative pressure sensor are arranged in the detection module, thereby effectively sending out warning sound when the methane in the tunnel exceeds the standard, reminding coal mine workers to rapidly leave, and the control module can send information to the ground through wireless communication, therefore, the system can remind workers on the ground to take remedial measures under the underground condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

FIG. 3 is an enlarged schematic view of part B of the present invention;

FIG. 4 is a circuit diagram of the present invention;

FIG. 5 is a diagram of a communication module chip according to the present invention;

FIG. 6 is a chip diagram of a control module according to the present invention;

fig. 7 is a power supply circuit diagram of the present invention.

In the figure: 1. a strut; 2. a cross bar; 3. mounting a plate; 4. a tip; 5. a reinforcement; 6. fastening a bolt; 7. a jack; 8. a detection module; 9. a buzzer.

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.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-7, the present invention provides a technical solution: a coal mining roadway supporting device with a warning function comprises two supporting rods 1 and a control module, wherein the two supporting rods 1 are fixedly welded at the bottom end of each supporting rod 1, a mounting plate 3 is fixedly welded at the bottom end of each mounting plate 3, a tip 4 is fixedly welded at the bottom end of each mounting plate 3, a cross rod 2 is fixedly mounted at the tops of the two supporting rods 1 through fastening bolts 6, a detection module 8 and a buzzer 9 are fixedly mounted at the lower end of each cross rod 2, jacks 7 are respectively arranged on the supporting rods 1 and the cross rods 2, reinforcing members 5 are fixedly connected in the jacks 7 through the fastening bolts 6, and the reinforcing members 5 are fixedly connected with the supporting rods 1 and the cross rods 2;

Specifically, the top of branch 1 is equipped with the recess, and 2 block connections of horizontal pole are in the recess, and the connected mode of this department can effectual increase the stability between branch 1 and the horizontal pole 2, and can prolong the connection between branch 1 and the horizontal pole 2 long for strut the support tunnel that can be stable.

Specifically, be equipped with methane sensor and negative pressure sensor in the detection module 8, the methane sensor and the environment in the negative pressure sensor ability real-time detection tunnel of this department can emit the warning sound when dangerous, remind the quick departure of workman, and the methane sensor use MH-L41 laser methane gas sensor be a general intelligent sensor, it uses the laser instrument as detecting element, utilize the high-accuracy methane sensor that suitable micropower laser energy was designed by the methane absorption principle of different concentrations. The sensor has the characteristics of small volume, low power consumption, stable performance, long service life of sensor elements, high sensitivity and the like, continuously detects the concentration of methane in the air, transmits related data in real time, and has the function of detecting the internal temperature and the air pressure; the negative pressure sensor is used for continuously measuring the negative pressure under a mine by using a hundred million coal KGY3A type mining negative pressure sensor, has various standard signal standard outputs, and can be matched with various coal mine safety and production monitoring systems for use after joint inspection. The sensor adopts a high-sensitivity miniature silicon pressure sensing element, and has the characteristics of high precision, stability, reliability, convenience in use and the like.

Specifically, a network crystal oscillator, a decoupling capacitor and a polarization resistor are required to be arranged in a chip circuit of the communication module, and various crystal oscillators, capacitors and resistors at the position can effectively stabilize the communication module at radio frequency without fluctuation and clutter transmission.

Specifically, the power circuit is provided with a filter capacitor, a voltage stabilizing diode and a voltage stabilizing integrated circuit chip 7805, C1, C2, C3 and C4 which are filter capacitors, and the filter capacitors play a role in primary and secondary filtering. D1 and D2 are zener diodes to stabilize the voltage at the output terminal at the desired level. The chip 7805 is a three-terminal voltage regulator integrated circuit chip having a positive voltage output. The circuit is also internally provided with overcurrent, overheating, adjusting tubes and other protection circuits, and finally, the voltage can be stabilized, so that the power supply can stably and continuously supply power to the control module, and the voltage fluctuation can not occur, so that the control module is burnt out.

The working principle is as follows: when the device is used, the supporting rod 1 can be fixedly inserted into the soil on two sides of a roadway through the tip 4, then cement can be poured on the soil, and the mounting plate 3 can be guided into the soil together, so that the mounting plate 3 can be solidified together with the cement, or the mounting plate 3 is attached above the cement, then the mounting plate 3 and the cement are fixed together in a hole rotating mode, then the cross rod 2 is fixedly clamped in the clamping groove at the upper end of the supporting rod 1, then the two ends of the cross rod 3 are fixedly connected with the two supporting rods 1 through the fastening bolts 6, then the reinforcing piece 5 is inserted into the insertion holes 7 on the supporting rod 1 and the cross rod 2, then the reinforcing piece 5 is fixedly connected with the supporting rods 1 and the cross rod 2 through the fastening bolts 6, then the detection module 8 is started, a large plastic shell is arranged in the detection module 8, and a methane sensor and a negative pressure sensor are arranged in, and control module and communication module are also fixed mounting in the plastic housing, when methane exceeds standard, control module will start bee calling organ 9, make the workman can receive the warning, can leave in advance, when the negative pressure in the tunnel reaches the predetermined value, control module also can control bee calling organ 9 and send the warning, remind the quick departure of workman, prevent to take place danger, and control module can control communication module and go information transmission to subaerial, make the workman on ground sit the measure of dealing with in advance.

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 coal mining tunnel supporting device with warning function, includes branch (1) and control module, its characterized in that: the device is characterized in that the number of the support rods (1) is two, the mounting plate (3) is fixedly welded at the bottom end of each support rod (1), the tip (4) is fixedly welded at the bottom end of each mounting plate (3), the cross rod (2) is fixedly mounted at the top of each support rod (1) through a fastening bolt (6), the detection module (8) and the buzzer (9) are fixedly mounted at the lower end of each cross rod (2), jacks (7) are formed in each support rod (1) and each cross rod (2), reinforcing pieces (5) are fixedly connected in the jacks (7) through fastening bolts (6), and the reinforcing pieces (5) are fixedly connected with the support rods (1) and the cross rods (2);

2. The coal mining roadway support device with the warning function as claimed in claim 1, wherein: the top of the supporting rod (1) is provided with a groove, and the cross rod (2) is clamped and connected in the groove.

3. The coal mining roadway support device with the warning function as claimed in claim 1, wherein: and a methane sensor and a negative pressure sensor are arranged in the detection module (8).

4. The coal mining roadway support device with the warning function as claimed in claim 1, wherein: the communication module chip circuit needs to be provided with a network crystal oscillator, a decoupling capacitor and a polarization resistor.

5. The coal mining roadway support device with the warning function as claimed in claim 1, wherein: the power supply circuit is provided with a filter capacitor, a voltage stabilizing diode and a voltage stabilizing integrated circuit chip 7805.