CN214887183U

CN214887183U - Mining air door

Info

Publication number: CN214887183U
Application number: CN202121191244.4U
Authority: CN
Inventors: 边广飞; 吴海霞; 黄亮; 黄超; 马赞; 贾存峰
Original assignee: Shandong Tiansheng Keda Electric Co ltd
Current assignee: Shandong Tiansheng Keda Electric Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-26
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a mining air door, including drawing the formula door leaf, the one side of drawing the formula door leaf is equipped with the pushing-type door leaf of equidimension, the outer lane of drawing formula door leaf and pushing-type door leaf is equipped with the door frame, the inner circle fixed mounting of door frame has rubber seal, it all is connected with the door frame through the hinge to draw formula door leaf and pushing-type door leaf, the outer wall of drawing the formula door leaf is equipped with the hand push mechanism that opens and shuts, the outer wall of pushing-type door leaf is equipped with transparent emergency exit, the top fixed mounting of pushing-type door leaf has the closed inductor of air door, the top of drawing the formula door leaf is equipped with four-bar linkage, the top of door frame is equipped with automatic mechanism that opens and shuts, the one end of automatic mechanism that opens and shuts is connected with the door frame, the other end of automatic mechanism that opens and shuts is connected with four-bar linkage. The air door combines manual and automatic opening and closing modes, overcomes the defects existing in the use process, and improves the practicability and safety index of the mining air door.

Description

Mining air door

Technical Field

The utility model relates to a mining operation relevant technical field, in particular to mining air door.

Background

The mining air door has the functions of ensuring safe production of a mine, stabilizing a ventilation system and reducing ineffective air leakage, the ventilation system of a roadway is like a circuit system, the wind speed and the wind flow are scientifically arranged, and the wind flow short circuit is a fault of the ventilation system, so that the ventilation system is disordered and the safety of the roadway is influenced. The mining air doors can be divided into a plurality of categories according to different standards, the mining air doors are divided into an above-well category and a below-well category according to different use positions, the mining air doors are divided into an automatic door and a manual door according to different intelligent degrees, along with the enhancement trend of the safety concept of people, the mining air doors are not weakened but enhanced, and therefore, the mining air doors need to be carefully produced, maintained and used regardless of the importance degree of the mining air doors.

The mining air door of tradition is mainly opened by manpower, and the stability of mine ventilation system can be influenced to artificial opening mining air door for a long time, and the manual start and stop mining air door is wasted time and energy, but the mining air door of automatic start and stop can't normal use when meetting the power failure, influences mine production and conveying efficiency.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned current problem, the utility model discloses it wastes time and energy and the unable normal use problem of automatic open and close mining air door under the power failure condition to solve traditional manual opening and close mining air door.

The mining air door comprises a pull type door leaf, wherein one side of the pull type door leaf is provided with a push type door leaf with the same size, the outer rings of the pull type door leaf and the push type door leaf are provided with a door frame, the inner ring of the door frame is fixedly provided with a rubber sealing ring, the pull type door leaf and the push type door leaf are connected with the door frame through hinges, the outer wall of the pull type door leaf is provided with a hand-push opening and closing mechanism, the outer wall of the push type door leaf is provided with a transparent safety door, the top of the push type door leaf is fixedly provided with an air door closing inductor, the top of the pull type door leaf is provided with a four-bar linkage mechanism, the top of the door frame is provided with an automatic opening and closing mechanism, one end of the automatic opening and closing mechanism is connected with the door frame, the other end of the automatic opening and closing mechanism is connected with the four-bar linkage mechanism, and an audible and visual alarm is fixedly arranged above the door frame.

Preferably, the hand-push opening and closing mechanism comprises a sliding hanger rail, a hanger wheel, a hand-push door, a sliding groove, a transparent observation window and a handle, the sliding hanger rail is arranged inside the pull type door leaf, the hanger wheel matched with the sliding hanger rail is arranged on the sliding hanger rail, the hanger wheel is fixedly arranged above the hand-push door, the sliding groove is arranged at the bottom of the pull type door leaf, the hand-push door is in sliding connection with the sliding groove through the hanger wheel, the transparent observation window is arranged on the outer wall of the hand-push door, and the handle is welded below the transparent observation window.

Preferably, the four-bar linkage mechanism comprises a first metal fixing plate, a pull rod, a first rotating working shaft, a cross rod, a second rotating working shaft, a push rod, a connecting rod and a second metal fixing plate, the first metal fixing plate is fixedly installed on the pull type door leaf, the pull rod is welded above the first metal fixing plate, the first rotating working shaft is fixedly installed above the pull rod, the cross rod parallel to the pull type door leaf is arranged above the pull type door leaf, one end of the cross rod is connected with the first rotating working shaft, the other end of the cross rod is connected with the second rotating working shaft, the push rod is fixedly installed below the second rotating working shaft, the connecting rod is welded on one side of the push rod and is connected with the second metal fixing plate below the connecting rod, and the second metal fixing plate is fixedly installed on the push type door leaf.

Preferably, the automatic mechanism that opens and shuts includes mounting panel, otic placode, electronic hydraulic rod, installation head and inflation screw, mounting panel fixed mounting is on the door frame, the skin weld of mounting panel has the otic placode, electronic hydraulic rod's one end is connected with the mounting panel through the otic placode, electronic hydraulic rod's the other end is connected with the installation head, be equipped with the inflation screw on the installation head, the installation head is connected with the pull rod through the inflation screw.

Preferably, the distance between the sliding hanger rail and the sliding groove is matched with the height of the hand-push door.

The beneficial effects of the utility model reside in that:

the utility model relates to a mining air door, a four-bar linkage mechanism of the air door adopts the principle of parallelogram, the automatic opening and closing mechanism uses the electric hydraulic push rod to realize the automatic opening and closing of the mining air door, improves the automation degree of a mine, is convenient to use and maintain, is safe and reliable, the pull type door leaf of the air door is provided with a hand-push opening and closing mechanism, the form of manually opening and closing the mining air door is reserved, the hand-push door can be manually opened and closed inside and outside, even under the condition that the air door cannot automatically operate due to power failure or other faults, miners can also see the mine through the hand-pushed opening and closing mechanism, the defects of manual opening and closing and automatic opening and closing of the mine air door in use are mutually overcome, and the practicability and the safety index of the mine air door are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a structural diagram of a mining air door according to the present invention;

FIG. 2 is a structural diagram of a hand-pushing opening and closing mechanism of a mining air door according to the present invention;

FIG. 3 is a structural diagram of a four-bar linkage mechanism of a mining air door according to the present invention;

fig. 4 is a structural diagram of the automatic opening and closing mechanism of the mining air door of the present invention.

In the figure, 1, a pull type door leaf; 2. pushing type door leaves; 3. a door frame; 4. a rubber seal ring; 5. a hinge; 6. a hand-pushing opening and closing mechanism; 601. sliding the hanger rail; 602. a hoisting wheel; 603. pushing the door by hand; 604. a chute; 605. a transparent viewing window; 606. a handle; 7. a transparent safety door; 8. a damper closure sensor; 9. a four-bar linkage mechanism; 901. a first metal fixing plate; 902. a pull rod; 903. a first rotary working shaft; 904. a cross bar; 905. a second rotary working shaft; 906. a push rod; 907. a connecting rod; 908. a second metal fixing plate; 10. an automatic opening and closing mechanism; 1001. mounting a plate; 1002. an ear plate; 1003. an electric hydraulic push rod; 1004. a mounting head; 1005. an expansion screw; 11. an audible and visual alarm.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a mining air door, which comprises a pull type door leaf 1, one side of the pull type door leaf 1 is provided with a push type door leaf 2 with the same size, the outer rings of the pull type door leaf 1 and the push type door leaf 2 are provided with a door frame 3, the inner ring of the door frame 3 is fixedly provided with a rubber sealing ring 4, the pull type door leaf 1 and the push type door leaf 2 are both connected with the door frame 3 through hinges 5, the outer wall of the pull type door leaf 1 is provided with a push type opening and closing mechanism 6, the outer wall of the push type door leaf 2 is provided with a transparent safety door 7, the top of the push type door leaf 2 is fixedly provided with an air door closing sensor 8, the top of the pull type door leaf 1 is provided with a four-rod linkage mechanism 9, the top of the door frame 3 is provided with an automatic opening and closing mechanism 10, one end of the automatic opening and closing mechanism 10 is connected with the door frame 3, the other end of the automatic opening and closing mechanism 10 is connected with the linkage mechanism 9, and an audible and visual alarm 11 is fixedly arranged above the door frame 3.

Specifically, the hand-push opening and closing mechanism 6 comprises a sliding hanging rail 601, a hanging wheel 602, a hand-push door 603, a sliding groove 604, a transparent observation window 605 and a handle 606, the sliding hanging rail 601 is arranged inside the pull-type door leaf 1, the hanging wheel 602 matched with the sliding hanging rail 601 is arranged on the sliding hanging rail 601, the hanging wheel 602 is fixedly installed above the hand-push door 603, the sliding groove 604 is arranged at the bottom of the pull-type door leaf 1, the hand-push door 603 is in sliding connection with the sliding groove 604 through the hanging wheel 602, the transparent observation window 605 is arranged on the outer wall of the hand-push door 603, and the handle 606 is welded below the transparent observation window 605.

Specifically, the four-bar linkage 9 includes a first metal fixing plate 901, a pull rod 902, a first rotating operating shaft 903, a cross bar 904, a second rotating operating shaft 905, a push rod 906, a connecting rod 907 and a second metal fixing plate 908, the first metal fixing plate 901 is fixedly installed on the pull type door leaf 1, the pull rod 902 is welded above the first metal fixing plate 901, the first rotating operating shaft 903 is fixedly installed above the pull rod 902, the cross bar 904 parallel to the pull type door leaf 1 is arranged above the pull type door leaf 1, one end of the cross bar 904 is connected with the first rotating operating shaft 903, the other end of the cross bar 904 is connected with the second rotating operating shaft 905, the push rod 906 is fixedly installed below the second rotating operating shaft 905, the connecting rod 907 is welded on one side of the push rod 906, and the connecting rod 907 is connected with the second metal fixing plate 908 below, the second metal fixing plate 908 is fixedly installed on the push type door leaf 2.

Specifically, the automatic opening and closing mechanism 10 includes a mounting plate 1001, an ear plate 1002, an electric hydraulic push rod 1003, a mounting head 1004 and an expansion screw 1005, the mounting plate 1001 is fixedly mounted on the door frame 3, the ear plate 1002 is welded to the surface of the mounting plate 1001, one end of the electric hydraulic push rod 1003 is connected to the mounting plate 1001 through the ear plate 1002, the other end of the electric hydraulic push rod 1003 is connected to the mounting head 1004, the expansion screw 1005 is arranged on the mounting head 1004, and the mounting head 1004 is connected to the pull rod 902 through the expansion screw 1005.

Specifically, the distance between the sliding hanger rail 601 and the sliding groove 604 is matched with the height of the hand-push door 603, so that the tightness of the hand-push door 603 is improved, the phenomenon of short circuit of wind current is prevented, and the stability of a mine ventilation system is ensured.

The working principle is as follows: when the door is opened, the automatic opening and closing mechanism 10 on the top of the door frame 3 pushes the pull rod 902 through the electric hydraulic push rod 1003 (YS-NZ 100-12A), the pull rod 902 is welded with the pull door leaf 1 through the first metal fixing plate 901, the second metal fixing plate 908 installed on the push door leaf 2 is welded with the connecting rod 907, one side of the connecting rod 907 is provided with the push rod 906, the first rotating working shaft 903 and the second rotating working shaft 905 are respectively installed above the pull rod 902 and the push rod 906, two ends of the cross rod 904 are connected with the first rotating working shaft 903 and the second rotating working shaft 905 to form a quadrilateral structure, the pull door leaf 1 and the push door leaf 2 are in pressure balance under the action of four-bar linkage, the force for opening the pull door leaf 1 and the force for closing the push door leaf 2 are simultaneously reduced, the resistance in the automatic opening is reduced, the door is safe and reliable, when the automatic opening and closing air door cannot be normally used in power failure, can make things convenient for the pedestrian to pass in and out by manual pushing away hand push door 603, utilize hanging wheel 602 and spout 604 to make hand push door 603 slide in the horizontal direction, the resistance when lightening manual opening, whether the air door of the top of pushing-type door leaf 2 is closed the inductor 8 (KGE 8) can respond to the air door and close safely, if the air door is closed inductor 8 (KGE 8) and senses the air door and not closed, audible-visual annunciator 11 (JZXF-01 YK) then can send out the police dispatch newspaper and remind the miner to inspect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The mining air door is characterized by comprising a pull type door leaf (1), wherein one side of the pull type door leaf (1) is provided with a push type door leaf (2) with the same size, the outer rings of the pull type door leaf (1) and the push type door leaf (2) are provided with a door frame (3), the inner ring of the door frame (3) is fixedly provided with a rubber sealing ring (4), the pull type door leaf (1) and the push type door leaf (2) are both connected with the door frame (3) through hinges (5), the outer wall of the pull type door leaf (1) is provided with a push type opening and closing mechanism (6), the outer wall of the push type door leaf (2) is provided with a transparent safety door (7), the top of the push type door leaf (2) is fixedly provided with an air door closing inductor (8), the top of the pull type door leaf (1) is provided with a four-bar linkage mechanism (9), the top of the door frame (3) is provided with an automatic opening and closing mechanism (10), one end of the automatic opening and closing mechanism (10) is connected with the door frame (3), the other end of the automatic opening and closing mechanism (10) is connected with the four-bar linkage mechanism (9), and an audible and visual alarm (11) is fixedly mounted above the door frame (3).

2. The mining air door according to claim 1, characterized in that the hand-push opening and closing mechanism (6) comprises a sliding hanging rail (601), hanging wheels (602), a hand-push door (603), a sliding groove (604), a transparent observation window (605) and a handle (606), the sliding hanging rail (601) is arranged inside the pull-type door leaf (1), the sliding hanging rail (601) is provided with the hanging wheels (602) matched with the sliding hanging rail (601), the hanging wheels (602) are fixedly installed above the hand-push door (603), the sliding groove (604) is arranged at the bottom of the pull-type door leaf (1), the hand-push door (603) is in sliding connection with the sliding groove (604) through the hanging wheels (602), the outer wall of the hand-push door (603) is provided with the transparent observation window (605), and the handle (606) is welded below the transparent observation window (605).

3. The mining air door according to claim 1, characterized in that the four-bar linkage mechanism (9) comprises a first metal fixing plate (901), a pull rod (902), a first rotating working shaft (903), a cross bar (904), a second rotating working shaft (905), a push rod (906), a connecting rod (907) and a second metal fixing plate (908), the first metal fixing plate (901) is fixedly installed on a pull type door leaf (1), the pull rod (902) is welded above the first metal fixing plate (901), the first rotating working shaft (903) is fixedly installed above the pull rod (902), the cross bar (904) arranged in parallel with the pull type door leaf (1) is arranged above the door leaf (1), one end of the cross bar (904) is connected with the first rotating working shaft (903), and the other end of the cross bar (904) is connected with the second rotating working shaft (905), a push rod (906) is fixedly installed below the second rotary working shaft (905), a connecting rod (907) is welded to one side of the push rod (906), the connecting rod (907) is connected with a second metal fixing plate (908) below, and the second metal fixing plate (908) is fixedly installed on the push type door leaf (2).

4. The mining air door according to claim 1, characterized in that the automatic opening and closing mechanism (10) comprises a mounting plate (1001), an ear plate (1002), an electric hydraulic push rod (1003), a mounting head (1004) and an expansion screw (1005), the mounting plate (1001) is fixedly mounted on the door frame (3), the ear plate (1002) is welded on the surface of the mounting plate (1001), one end of the electric hydraulic push rod (1003) is connected with the mounting plate (1001) through the ear plate (1002), the other end of the electric hydraulic push rod (1003) is connected with the mounting head (1004), the expansion screw (1005) is arranged on the mounting head (1004), and the mounting head (1004) is connected with the pull rod (902) through the expansion screw (1005).

5. The mining damper according to claim 2, characterized in that the distance between the sliding hanger rail (601) and the chute (604) matches the height of the hand push door (603).