CN218971268U - Quick-closing fireproof door - Google Patents

Abstract

The utility model discloses a rapid-closing fireproof door, which relates to the technical field of fireproof doors and aims at solving the problems that the existing roadway is low in closing speed and efficiency, unsafe in site operation and easy to cause personnel poisoning accidents. The utility model can drive the rotary door plate to rotate through the servo motor to quickly block the roadway, the door plates are not required to be manually embedded into the door frame one by one, the blocking speed is high, the efficiency is high, when the coal face is in rest time of workers and a fire disaster occurs, the smoke sensor senses smoke generated by combustion in the roadway, signals are transmitted to the controller, the controller automatically controls the servo motor to operate, and the rotary door plate is driven to rotate to block the roadway, so that a large amount of toxic gas is prevented from leaking.

Description

Quick-closing fireproof door

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a quick-closing fireproof door.

Background

When the coal face is in fire, various toxic and harmful substances can be generated by burning coal, wherein gases such as methane, carbon monoxide and the like can spread on the upper part of the roadway along with wind flow, and workers need to seal the roadway.

The traditional technology needs to embed the door plates coated with iron sheets into the door frame one by one in a way of matching by a plurality of people, and the roadway can be sealed after the door plates are mutually connected, so that the sealing speed is low, the efficiency is low, the field operation is unsafe, and personnel poisoning accidents easily occur.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the quick-closing fireproof door, the rotary door plate is driven to rotate by the servo motor to quickly block the roadway, when the fire disaster occurs in the rest time of workers, the servo motor can be automatically controlled by the timely controller to operate to drive the rotary door plate to rotate to block the roadway, so that a large amount of toxic gas is prevented from leaking, the defects of the prior art are overcome, and the problems of low sealing speed, low efficiency, unsafe field operation and easiness in occurrence of personnel poisoning accidents of the conventional roadway are effectively solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a fire door is prevented in quick closure, includes installs the arc on tunnel top inner wall, arc one side outer wall is opened flutedly, arc bottom outer wall is pegged graft through the bearing has the bull stick, bull stick bottom outer wall is fixed with rotatory door plant, arc one side outer wall welding has the mounting panel, servo motor is installed to mounting panel bottom outer wall, servo motor output shaft is fixed with first bevel gear, the bull stick top is fixed with the second bevel gear, arc one side outer wall is fixed with smoke transducer, rotatory door plant both sides outer wall all opens there is the spout, two the spout inner wall all is fixed with adherence adjustment mechanism.

Through above-mentioned scheme, accessible servo motor drives rotatory door plant and rotates, blocks up the tunnel fast, need not the manual work with the door plant imbeds the door frame one by one in, blocks fastly, efficient, can monitor the air in the tunnel through the smoke transducer who sets up, when smoke transducer detects the flue gas, indicates that the coal face conflagration takes place, can in time close rotatory door plant, blocks up the tunnel, avoids closing untimely a large amount of leakage that causes the flue gas.

Preferably, the wall attaching adjusting mechanism comprises a sliding rod, a sliding block sleeved at one end of the sliding rod, a spring sleeved at the other end of the sliding rod and an L-shaped plate fixed on the outer wall of one side of the sliding block.

Through above-mentioned scheme, rotatory door plant can rotate along with rotatory door plant together to with tunnel inner wall contact, L template can receive the spacing of tunnel inner wall, drives the slider and removes extrusion spring in the spout, makes L template receive the reaction force of spring to support L template on the tunnel inner wall, blocks up the gap between rotatory door plant and the tunnel inner wall, does not influence the normal rotation of rotatory door plant again simultaneously.

Preferably, the corner of the L-shaped plate is of an arc-shaped structure.

Through above-mentioned scheme, the convenient atress of L template drives the slider and removes.

Preferably, the first bevel gear and the second bevel gear are meshed.

Through above-mentioned scheme, servo motor can drive first bevel gear and rotate, and then drives the second bevel gear and rotate, and then drives the bull stick and rotate, and then drives rotatory door plant and rotate.

Preferably, the outer wall of one side of the rotary door plate is provided with a mounting opening, and the inner wall of the mounting opening is provided with a transparent observation window.

Through the scheme, the rotary door plate can be conveniently observed in the roadway after being closed.

Preferably, the servo motor and the smoke sensor are connected with an external power supply through power lines, and the servo motor and the smoke sensor are connected with an external controller through signal lines.

Through the scheme, when the coal face is in the rest time of workers and a fire disaster occurs on the coal face, the smoke sensor senses smoke generated by combustion in the roadway and transmits signals to the controller, and the controller automatically controls the servo motor to operate to drive the rotary door plate to rotate so as to block the roadway.

The beneficial effects of the utility model are as follows:

the accessible servo motor drives rotatory door plant and rotates, blocks up the tunnel fast, need not the manual work with the door plant embedding in the door frame one by one, blocks fastly, and is efficient, can monitor the air in the tunnel through the flue gas sensor who sets up, when being in workman's rest time, when the coal face takes a fire, when the flue gas that has had the burning to produce in having felt the tunnel in the smoke transducer felt the tunnel, gives the controller with signal transmission, controller automatic control servo motor operation drives rotatory door plant and rotates and block up the tunnel, avoids toxic gas to leak in a large number.

Drawings

Fig. 1 is a perspective side sectional view of a quick-closing fire door according to the present utility model;

fig. 2 is a top plan sectional view of a quick-closing fire door according to the present utility model;

fig. 3 is a closed perspective view of a revolving door panel of the quick-closing fireproof door provided by the utility model;

fig. 4 is an open perspective view of a revolving door panel of a quick-closing fire door according to the present utility model.

In the figure: 1. roadway; 2. an arc-shaped plate; 3. a groove; 4. a rotating rod; 5. rotating the door panel; 6. a mounting plate; 7. a servo motor; 8. a first bevel gear; 9. a second bevel gear; 10. a smoke sensor; 11. a chute; 12. a slide bar; 13. a slide block; 14. a spring; 15. an L-shaped plate; 16. a mounting port; 17. and a transparent observation window.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a quick-closing fireproof door comprises an arc-shaped plate 2 arranged on the inner wall of the top of a roadway 1, wherein a groove 3 is formed in the outer wall of one side of the arc-shaped plate 2, a rotating rod 4 is inserted into the outer wall of the bottom of the arc-shaped plate 2 through a bearing, a rotating door plate 5 is fixed on the outer wall of the bottom of the rotating rod 4, a mounting opening 16 is formed in the outer wall of one side of the rotating door plate 5, a transparent observation window 17 is arranged on the inner wall of the mounting opening 16, and the interior of the roadway can be conveniently observed after the rotating door plate 5 is closed;

the outer wall of one side of the arc plate 2 is welded with a mounting plate 6, the outer wall of the bottom of the mounting plate 6 is provided with a servo motor 7, an output shaft of the servo motor 7 is fixed with a first bevel gear 8, the top end of the rotating rod 4 is fixed with a second bevel gear 9, the first bevel gear 8 is meshed with the second bevel gear 9, the servo motor 7 can drive the first bevel gear 8 to rotate so as to drive the second bevel gear 9 to rotate, and then drive the rotating rod 4 to rotate so as to drive the rotating door plate 5 to rotate;

the smoke sensor 10 is fixed on the outer wall of one side of the arc plate 2, the servo motor 7 and the smoke sensor 10 are connected with an external power supply through power lines, the servo motor 7 and the smoke sensor 10 are connected with an external controller through signal lines, when a worker takes rest, and a coal face breaks out of a fire, the smoke sensor 10 senses smoke generated by combustion in a roadway, and transmits signals to the controller, and the controller automatically controls the servo motor 7 to operate to drive the rotary door plate 5 to rotate so as to block the roadway 1;

the outer walls of two sides of the rotary door plate 5 are provided with sliding grooves 11, the inner walls of the two sliding grooves 11 are respectively fixed with an adherence adjusting mechanism, each adherence adjusting mechanism comprises a sliding rod 12, a sliding block 13 sleeved at one end of the sliding rod 12, a spring 14 sleeved at the other end of the sliding rod 12, an L-shaped plate 15 fixed on the outer wall of one side of the sliding block 13, and the corners of the L-shaped plate 15 are arc-shaped structures, and the L-shaped plate 15 is convenient to bear force to drive the sliding block 13 to move;

when the rotary door plate 5 rotates, the L-shaped plate 15 rotates along with the rotary door plate 5 and contacts with the inner wall of the roadway 1, the L-shaped plate 15 is limited by the inner wall of the roadway 1 and drives the sliding block 13 to move in the sliding groove 11 to squeeze the spring 14, so that the L-shaped plate 15 is propped against the inner wall of the roadway 1 by the reaction force of the spring 14, a gap between the rotary door plate 5 and the inner wall of the roadway 1 is blocked, and meanwhile, the normal rotation of the rotary door plate 5 is not influenced;

the accessible servo motor 7 drives rotatory door plant 5 and rotates, blocks up roadway 1 fast, need not the manual work with the door plant embedding door frame one by one in, blocks fastly, efficient, can monitor the air in roadway 1 through the flue gas sensor 10 that sets up, when flue gas sensor 10 detects the flue gas, indicates that the coal face conflagration takes place, can in time close rotatory door plant 5, blocks up roadway 1, avoids closing untimely a large amount of leakage that causes the flue gas.

Working principle: when the coal face takes place the conflagration, accessible servo motor 7 drives first bevel gear 8 and rotates, it rotates to drive second bevel gear 9 through first bevel gear 8, it rotates to drive bull stick 4 through second bevel gear 9 rotates, it rotates to drive rotatory door plant 5 through bull stick 4 rotates, make rotatory door plant 5 rotate 180 ° (from fig. 4 to the state of fig. 3), quick shutoff is with tunnel 1, need not the manual work and imbeds the door plant in the door frame one by one, the locking is fast, it is efficient, can monitor the air in the tunnel 1 through the flue gas sensor 10 that sets up, when being in workman's rest time, when the coal face takes place the conflagration, when smoke sensor 10 has felt the flue gas that has the burning produced in the tunnel, transfer the signal to the controller, controller automatic control servo motor 7 operates, it blocks up tunnel 1 to drive rotatory door plant 5 rotation, avoid toxic gas to leak in a large number.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a fire door is prevented to quick closeness, includes arc (2) of installing on tunnel (1) top inner wall, its characterized in that, arc (2) one side outer wall is opened flutedly (3), arc (2) bottom outer wall is pegged graft through the bearing has bull stick (4), bull stick (4) bottom outer wall is fixed with rotatory door plant (5), arc (2) one side outer wall welding has mounting panel (6), servo motor (7) are installed to mounting panel (6) bottom outer wall, servo motor (7) output shaft is fixed with first bevel gear (8), bull stick (4) top is fixed with second bevel gear (9), arc (2) one side outer wall is fixed with smoke transducer (10), spout (11) are all opened to rotatory door plant (5) both sides outer wall, two spout (11) inner wall all are fixed with adherence adjustment mechanism.

2. The quick-closing fireproof door according to claim 1, wherein the wall-attaching adjusting mechanism comprises a sliding rod (12), a sliding block (13) sleeved at one end of the sliding rod (12), a spring (14) sleeved at the other end of the sliding rod (12), and an L-shaped plate (15) fixed on the outer wall of one side of the sliding block (13).

3. A quick closing fire door according to claim 2, wherein the corners of the L-shaped panels (15) are of arcuate configuration.

4. A quick closing fire door according to claim 1, wherein the first (8) and second (9) bevel gears are meshed.

5. A quick-closing fireproof door according to claim 1, wherein an installation opening (16) is formed in the outer wall of one side of the rotary door plate (5), and a transparent observation window (17) is installed in the inner wall of the installation opening (16).

6. The quick-closing fireproof door according to claim 1, wherein the servo motor (7) and the smoke sensor (10) are connected with an external power supply through power lines, and the servo motor (7) and the smoke sensor (10) are connected with an external controller through signal lines.

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