CN213693135U - Explosion-proof leakage protector for coal mine automation - Google Patents

Abstract

The utility model discloses a flame-proof type earth leakage protector for coal mine automation, which can perform flame-proof and fire extinguishing treatment when the line leaks electricity and fires, and reduce fire hazard, and is characterized in that a guide seat is arranged on one end of a flame-proof cover body, two fan-shaped grooves are arranged in the guide seat, the two fan-shaped grooves are respectively arranged on two sides of the guide seat, the fan-shaped grooves are communicated with the inside of the flame-proof cover body, fan-shaped blocks are correspondingly arranged in the fan-shaped grooves, the fan-shaped blocks are hinged on the side wall of the guide seat through a hinging sleeve, the edge of the fan-shaped groove is provided with a limit block, the radian of the fan-shaped grooves is larger than that of the fan-shaped blocks, a three-way pipe is arranged in the guide seat, one end of the three-way pipe extends to the top of the guide seat, the other two ends of the three-way, the nut cap is arranged at one end opening of the three-way pipe, and a plurality of clamping jaws are arranged at one end of the three-way pipe at equal angles.

Description

Explosion-proof leakage protector for coal mine automation

Technical Field

The utility model discloses automatic flame-proof earth-leakage protector for coal mine relates to one kind and when the colliery automated production, can avoid the flame-proof protector of electric leakage, belongs to the coal mine equipment field. In particular to a flameproof leakage protector which can perform flameproof and fire extinguishing treatment when the line leaks electricity and fires and reduce the fire hazard.

Background

In order to reduce the harm that colliery electric leakage produced in the pit, can increase earth-leakage protector in the circuit usually and carry out the earth-leakage protection, and in order to avoid the damage of explosion in the pit to its production, generally can add flame proof structure outside earth-leakage protector and protect, but its inside circuit takes place to age after using a period for a long time in current flame proof type's earth-leakage protection structure, produce electric leakage spontaneous combustion easily, and because the interference of outer flame proof device, thereby personnel can't in time discover and put out a fire and lead to the ignition of circuit to cause serious fire accident, serious potential safety hazard has.

Notice No. CN103427394A discloses a mining flame-proof type low pressure selectivity earth leakage protector, including singlechip, electrical unit, liquid crystal display module, signal detection and processing circuit, communication module and drive trip circuit, electrical unit is connected with singlechip and liquid crystal display module and supplies power for it, and the singlechip is connected with the zero sequence current transformer who installs on power supply system through signal detection and processing circuit and is realized the electric leakage detection function, and flame proof device can not in time effectually put out a fire to earth leakage protector, takes place to produce the diffusion easily after the fire.

Disclosure of Invention

In order to improve the condition, the utility model discloses automatic flame-proof earth-leakage protector for colliery provides one kind and can carry out the flame proof and put out a fire when the circuit electric leakage is on fire and handle, reduces the flame-proof earth-leakage protector of conflagration hidden danger.

The utility model discloses automatic flame-proof type earth-leakage protector for colliery is realized like this: the utility model discloses a flame-proof type earth-leakage protector for coal mine automation comprises fire extinguishing ball, three-way pipe, sector, fixed ear, connecting pipe, mount, flame proof cover body, hinge sleeve, guide holder, block and jack catch, and the guide holder is arranged on one end of the flame proof cover body, open the inside of guide holder has two sector grooves, and two sector grooves are located the both sides of guide holder respectively, the sector groove is linked together with the inside of flame proof cover body, the sector is provided with the sector correspondingly in the sector groove, the sector is articulated to be arranged on the lateral wall of guide holder through the hinge sleeve, the sector groove edge is provided with the stopper, the radian of sector groove is greater than the radian of sector, and the three-way pipe is arranged in the guide holder, and one end of three-way pipe extends to the top of guide holder, the other both ends of three-way pipe extend to the bottom of guide holder, and are linked together with two sector grooves, the explosion-proof cover is characterized in that the cover cap is arranged at one end opening of the three-way pipe, a plurality of clamping claws are arranged at one end of the three-way pipe at equal angles, the clamping claws are correspondingly clamped with the cover cap, a plurality of fixing lugs are arranged on two sides of the explosion-proof cover body, a connecting pipe is arranged at the other end of the explosion-proof cover body, the connecting pipe is communicated with the interior of the explosion-proof cover body, a plurality of fire extinguishing balls are arranged in the three-way pipe, a fixing frame is arranged in the explosion-proof cover body, a.

Has the beneficial effects.

The structure is simple, and the device is convenient and practical.

Secondly, the cost is low, and the popularization is convenient.

And thirdly, explosion suppression and fire extinguishing treatment can be carried out on the leakage protector when the leakage protector is on fire, so that the hidden danger of fire occurrence is reduced.

And fourthly, protection can be formed, and the external damage is reduced.

Fifthly, the installation and the disassembly are simple and convenient.

Drawings

Fig. 1 is a schematic structural diagram of the explosion-proof leakage protector for coal mine automation of the present invention;

FIG. 2 is a right side view of the explosion-proof earth leakage protector for coal mine automation of the present invention;

fig. 3 is the utility model relates to a coal mine automation is with flame proof type earth-leakage protector mount's schematic structure diagram.

In the attached drawings

Wherein the method comprises the following steps: the flame-out device comprises a fire extinguishing ball 1, a three-way pipe 2, a fan-shaped block 3, a fixing lug 4, a protector main body 5, a connecting pipe 6, a fixing frame 7, a flame-proof cover body 8, a hinged sleeve 9, a guide seat 10, a cover cap 11 and a clamping jaw 12.

The specific implementation mode is as follows:

the utility model discloses automatic flame-proof type earth-leakage protector for colliery is realized like this: the utility model discloses a flame-proof type electric leakage protector for coal mine automation comprises fire extinguishing ball 1, three-way pipe 2, sector 3, fixed ear 4, connecting pipe 6, mount 7, flame proof cover body 8, articulated cover 9, guide holder 10, block 11 and jack catch 12, guide holder 10 is arranged on one end of flame proof cover body 8, open the inside of guide holder 10 has two sector grooves, two sector grooves are located the both sides of guide holder 10 respectively, the sector groove is linked together with the inside of flame proof cover body 8, the sector 3 is provided correspondingly in the sector groove, sector 3 is articulated on the lateral wall of guide holder 10 through articulated cover 9, the sector groove edge is provided with the stopper, the radian of sector groove is greater than the radian of sector 3, three-way pipe 2 is arranged in guide holder 10, one end of three-way pipe 2 extends to the top of guide holder 10, the other both ends of three-way pipe 2 extend to the bottom of guide holder 10, the flame-proof cover is characterized in that the flame-proof cover is respectively communicated with two fan-shaped grooves, the cover cap 11 is arranged at one end opening of the three-way pipe 2, a plurality of clamping claws 12 are arranged at one end of the three-way pipe 2 at equal angles, the clamping claws 12 and the cover cap 11 are correspondingly clamped, a plurality of fixing lugs 4 are arranged on two sides of the flame-proof cover 8, a connecting pipe 6 is arranged at the other end of the flame-proof cover 8, the connecting pipe 6 is communicated with the inside of the flame-proof cover, a plurality of fire extinguishing balls 1 are arranged in the three-way pipe 2, a fixing frame 7 is arranged in the flame-proof cover 8.

When the explosion-proof type leakage protector is used, the explosion-proof type leakage protector is sleeved outside the protector main body 5 through the fixing frame 7 in the explosion-proof cover body 8, a circuit penetrates out of the connecting pipe 6, so that the explosion-proof cover body 8 protects the protector main body 5, the fan-shaped blocks 3 are limited by the limiting blocks and are kept at the bottoms of the fan-shaped grooves in the initial state, the two fan-shaped blocks 3 are correspondingly clamped at the openings at the other two ends of the three-way pipe 2, the clamping claws 12 are opened, the cover cap 11 is opened, the fire extinguishing ball 1 is placed into the three-way pipe 2 of the explosion-proof cover body 8 from the cover cap 11, when the protector main body 5 leaks electricity and fires, explosion happens in the explosion-proof cover body 8, the fan-shaped blocks 3 are pushed by the generated impact force, the fan-shaped blocks 3 rotate to the tops of the fan-shaped grooves around the hinge sleeves 9, the openings at the other two ends of the three-, the hidden danger of fire hazard is reduced;

the design of a torsion spring is arranged in the hinge sleeve 9, so that the falling reset of the sector block 3 after the impact force is finished can be ensured, and a cavity is formed by matching with the explosion-proof cover body 8, so that the circulation of air is reduced, and the probability of fire expansion is reduced;

the design that a plurality of clamping claws 12 are arranged at one end of the three-way pipe 2 at equal angles can enable the clamping claws 12 to clamp the cap 11, and prevent the cap 11 from being rushed open by impact force during explosion, so that the airtightness in the explosion-proof cover body 8 is kept, air circulation is reduced, and the fire is prevented from expanding;

the fan-shaped block 3 is made of heat insulation materials, when the fan-shaped block 3 falls down, a cavity can be formed by matching with the explosion-proof cover body 8, and the fan-shaped block 3 has heat insulation performance and can further weaken the fire;

the edge of the sector groove is provided with a limiting block which can limit the sector 3 and prevent the sector 3 from rotating into the explosion-proof cover body 8;

the purposes of explosion suppression and fire extinguishing treatment and reduction of fire hidden danger in the case of line leakage and fire are achieved.

It should be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a colliery is automatic with flame-proof type earth-leakage protector, characterized by: the flame-proof device comprises a fire extinguishing ball, a three-way pipe, fan-shaped blocks, fixing lugs, connecting pipes, a fixing frame, a flame-proof cover body, a hinge sleeve, a guide seat, a cover cap and clamping jaws, wherein the guide seat is arranged at one end of the flame-proof cover body, two fan-shaped grooves are formed in the guide seat and are respectively positioned at two sides of the guide seat, the fan-shaped grooves are communicated with the inside of the flame-proof cover body, the fan-shaped blocks are correspondingly arranged in the fan-shaped grooves, the fan-shaped blocks are hinged to the side wall of the guide seat through the hinge sleeve, the three-way pipe is arranged in the guide seat, one end of the three-way pipe is extended to the top of the guide seat, the other two ends of the three-way pipe extend to the bottom of the guide seat and are respectively communicated with the two fan-shaped grooves, the cover cap is arranged at one end part of the three-way pipe, a, the other end of the explosion-proof cover body is provided with a connecting pipe, the connecting pipe is communicated with the interior of the explosion-proof cover body, and a plurality of fire extinguishing balls are arranged in the three-way pipe.

2. The explosion-proof type electric leakage protector for coal mine automation of claim 1, characterized in that the edge of the sector groove is provided with a limiting block.

3. The explosion-proof type electric leakage protector for coal mine automation as claimed in claim 2, characterized in that the radian of the fan-shaped groove is larger than that of the fan-shaped block.

4. An explosion-proof type electric leakage protector for coal mine automation as claimed in claim 1, characterized in that a fixing frame is arranged in the explosion-proof cover body.

5. The explosion-proof type electric leakage protector for coal mine automation of claim 1, characterized in that a torsion spring is arranged in the hinged sleeve.

6. The explosion-proof electric leakage protector for coal mine automation as claimed in claim 1, characterized in that the segments are made of heat insulating material.

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