CN103306703A

CN103306703A - Mine air door

Info

Publication number: CN103306703A
Application number: CN201310207190XA
Authority: CN
Inventors: 程磊; 宋煜
Original assignee: Huainan Mining Group Co Ltd
Current assignee: Huainan Mining Group Co Ltd
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2013-09-18
Anticipated expiration: 2033-05-29
Also published as: CN103306703B

Abstract

The invention provides a mine air door which comprises a door frame, a main door leaf and an auxiliary door leaf, wherein the door frame is fixedly arranged on a pier of a laneway; the main door leaf and the auxiliary door leaf can block off the interior space of the door frame; the auxiliary door leaf is arranged above the main door leaf; the edge of the side part of the main door leaf is hinged to the side part of the door frame through at least one first hinge; and the edge of the top of the auxiliary door leaf is hinged to the top of the door frame through at least one second hinge. The mine air door can enable common equipment and large equipment that are remarkably different in height to pass through, does not influence the self-closing property of the damper, and does not cause the phenomena of air escaping, air leaking or airflow short circuit; and in addition, the main door leaf and the auxiliary door leaf are small in size, so that the transportation and the mounting are facilitated.

Description

Air Throttle in Mine Pit

Technical field

The present invention relates to mining technique, relate in particular to a kind of Air Throttle in Mine Pit.

Background technology

For guaranteeing that the distinguished and admirable predetermined direction of pressing flows under the mine, need that Ventilation Structures is set and control distinguished and admirable in some tunnels.In mine laneway, mustn't wind circulation but the position that needs pedestrian or equipment to pass through arranges air door.Air door comprises the doorframe that is embedded on the pier in tunnel and is installed in door leaf on the doorframe, that be used for can blocking when closing the doorframe inner space, wherein door leaf is connected through the hinge on the medial surface of doorframe, by promoting door leaf its upset is opened, passed through for pedestrian or equipment.

Along with the development of mining technique, the down-hole brings into use some to combine main equipments such as adopting comprehensive pick, and these device height obviously increase, even if after air door of the prior art, that supply existing equipment to pass through was opened fully, these main equipments also can't normally pass through air door.

In the prior art, for making main equipment can pass through air door, a kind of mode is, air door and air door pier are torn in employing open, also need build the Temporary Ventilation facility simultaneously, still, need to be until main equipment by the former air door of rear timely recovery, if recover untimely a large amount of race wind or the Air escape branch of then very easily causing, thereby cause downhole safety hidden danger; During another way, the doorframe of air door and door leaf strengthened respectively increase, still, the door leaf weight of increasing also significantly increases, cause to be difficult to realize the door leaf self closing, and transportation, install very inconvenient.

Summary of the invention

For defects of the prior art, the invention provides a kind of Air Throttle in Mine Pit, guaranteeing can not cause under the prerequisite of running wind or Air escape branch, can pass through smoothly for conventional equipment and the main equipment of differing heights.

The invention provides a kind of Air Throttle in Mine Pit, comprise the doorframe on the pier that is fixedly installed on the tunnel, also comprise main door leaf and the secondary door leaf that can block described doorframe inner space, described secondary door leaf is arranged at described main door leaf top, the side margins of described main door leaf is hinged by the sidepiece of at least one the first hinge and described doorframe, and the top of described secondary door leaf is hinged by the top of at least one the second hinge and described doorframe.

Air Throttle in Mine Pit provided by the invention by selecting the main door leaf of unlatching or opening simultaneously main door leaf and secondary door leaf, can realize that conventional equipment and main equipment that highly significant is different pass through smoothly; And do not increase because main door leaf is compared with the door leaf of prior art, its weight does not have increase, can not affect its self closing performance, and secondary door leaf can be under Gravitative Loads quick self closing, therefore, can not cause and run wind, leak out or the Air escape branch phenomenon; Main door leaf and secondary door leaf volume are little in addition, also are conducive to convenient transportation and installation.

Description of drawings

Fig. 1 is the structural representation of Air Throttle in Mine Pit embodiment of the present invention.

The specific embodiment

At first the 26S Proteasome Structure and Function of Air Throttle in Mine Pit carried out simple declaration.Do not allow the position of wind circulation can build pier in the mine laneway, so that shutoff is carried out in the tunnel, but pass through for assurance equipment or pedestrian, also need to offer by mouth at pier, by the mouth place openable Air Throttle in Mine Pit is being set again, with when Air Throttle in Mine Pit is closed, air door and above-mentioned pier jointly block the tunnel, stop wind circulation; And when needs pedestrian or equipment by the time, then open air door for pedestrians.Usually, air door need to arrange twice simultaneously, namely, at the tunnel bearing of trend former and later two piers are set, above-mentioned Air Throttle in Mine Pit all is set on each pier, like this, when equipment or pedestrian pass through, can open first the first air door, the second air door that still be in closed condition this moment can play the distinguished and admirable effect of blocking, after equipment or pedestrian are by the first air door, the first air door opens the second air door after closing again, this moment, buttoned-up first air door was then born the distinguished and admirable effect of blocking.Air Throttle in Mine Pit described in the various embodiments of the present invention namely refers to be arranged at the concrete structure of an air door on the pier.

Fig. 1 is the structural representation of Air Throttle in Mine Pit embodiment of the present invention; Please refer to Fig. 1, the present embodiment provides a kind of Air Throttle in Mine Pit, comprise the doorframe 2 on the pier 1 that is fixedly installed on the tunnel, also comprise main door leaf 31 and the secondary door leaf 32 that can block doorframe 2 inner spaces, secondary door leaf 32 is arranged at main door leaf 31 tops, the side margins of main door leaf 31 is hinged with the sidepiece of doorframe 2 by at least one first hinge 41, and the top of secondary door leaf 32 is hinged with the top of doorframe 2 by at least one second hinge 42.

Particularly, offer on the pier 1 for pass through mouthful that equipment passes through, the shape and size of doorframe 2 can be complementary by mouth with this, doorframe 2 fixedly is embedded in this passes through mouth; Wherein, the height of openings and doorframe 2 and width can be determined according to the maximum size of the main equipment that may pass through.

Main door leaf 31 is positioned at secondary door leaf 32 belows, and the height of main door leaf 31 can determine according to the conventional equipment that need pass through, and wherein the height of this conventional equipment is combined main equipment such as pick grade less than combining to adopt; The width of main door leaf 31 can be complementary with doorframe 2, to block the latter half of doorframe 2 inner spaces, and the lateral edge of main door leaf 31 can be hinged on the doorframe 2 corresponding sides by the first hinge 41, so that main door leaf 31 can rotating as axle take the first hinge 41, thereby, when pushing away or draw main door leaf 31 to deviate from the hinged side of doorframe 2, can easily main door leaf 31 be opened towards pier 1 outside or interior lateral overturning.Secondary 32 of door leafs can just cover in the doorframe 2, commuting gate fan 31 zone in addition, namely, the height of secondary door leaf 32 can be for the height of doorframe 2 and main door leaf 31 poor, the width of secondary door leaf 32 then also can be according to the location positioning of doorframe 2 corresponding main door leafs 31 tops; And the top of secondary door leaf 32 can be hinged on by the second hinge 42 top of doorframe 2, so that secondary door leaf 32 can be the axle rotation by one second hinge 42, and then, when pushing away or draw secondary door leaf 32 bottom, can easily secondary door leaf 32 be overturn up and open.

The Air Throttle in Mine Pit that the present embodiment provides during by conventional equipment or pedestrian, only needs to promote main door leaf 31 at needs, its upset is opened after, just can pass through for conventional equipment or pedestrian; And when needs pass through main equipment, then when opening main door leaf 31, can also promote or spur secondary door leaf 32, after making its bottom level position that is turned to certain angle, secondary door leaf 32 can satisfy main equipment to pass through, just can pass through smoothly for main equipment, and equipment is by can also be under the Gravitative Loads fast quick-recovery closed condition of rear secondary door leaf 32.

The Air Throttle in Mine Pit that the present embodiment provides by selecting the main door leaf of unlatching or opening simultaneously main door leaf and secondary door leaf, can realize that conventional equipment and main equipment that highly significant is different pass through smoothly; And do not increase because main door leaf is compared with the door leaf of prior art, its weight does not have increase, can not affect its self closing performance, and secondary door leaf can be under Gravitative Loads quick self closing, therefore, can not cause and run wind, leak out or the Air escape branch phenomenon; Main door leaf and secondary door leaf volume are little in addition, also are conducive to convenient transportation and installation.

Further, doorframe 2 can comprise two all along the column 21 of vertical extension and be fixedly connected on back timber 22 between two columns, 21 tops, and main door leaf 31 can be rectangular, and a side of main door leaf 31 is hinged on the column 21; Top and back timber 22 shapes of secondary door leaf 32 are complementary, and the top of secondary door leaf 32 is hinged on the back timber 22; Particularly, back timber 22 can horizontal-extending, accordingly, the top of secondary door leaf 32 can be horizontal-extending, that is, secondary door leaf 32 also can be rectangle, and the large rectangle that the main door leaf 31 of the secondary door leaf 32 of rectangle and rectangle is combined into just can be filled the coffin that doorframe 2 surrounds.

The first hinge 41 and the second hinge 42 all can for a plurality of, preferably, can all adopt two.Each first hinge 41 can comprise respectively the first bearing pin and the first axle sleeve that is fixedly connected with main door leaf 31 with doorframe 2, and the first bearing pin and the first axle sleeve are all along vertical extension, and the first bearing pin is arranged in the first axle sleeve; Wherein, two the first hinges 41 are arranged in the first straight line of a vertical extension, and then main door leaf 31 can rotate take this first straight line as axle, thereby the upset that realizes main door leaf 31 opens and closes; And, can by in the first hinge 41 interior modes such as torsionspring that arrange, promote main door leaf 31 to return to quickly closed condition; Certainly, because main door leaf 31 weight are less, even if in the situation that for torsionspring is set, also can return to voluntarily closed condition, certainly, also can main door leaf 31 recoveries be closed by manually touching.

Similarly, two the second hinges 42 all can comprise respectively the second bearing pin and the second axle sleeve that is fixedly connected with secondary door leaf 32 with doorframe 2, and the second bearing pin and the second axle sleeve can all extend along horizontal cross, and the second bearing pin is arranged in the second axle sleeve; Wherein horizontal cross refers to, in horizontal plane, perpendicular to the direction of column 21; And two the second hinges 42 can be arranged in the second straight line that extends along horizontal cross, and then secondary door leaf 22 can be that axle rotates along this second straight line, thereby realizes towards upset open auxiliary door leaf 32.

In the above-described embodiments, as shown in Figure 1, can also comprise the stretching device of opening be used to driving secondary door leaf 32 upsets, this stretching device is fixedly installed on the pier 1.

Particularly, stretching device can comprise at least one fixed pulley 51, wire-wrap board 53 and wire 52; The central axis of fixed pulley 51 is fixedly installed on the pier 1, and the central axis of fixed pulley 51 is perpendicular to pier 1; Wire-wrap board 53 rotatably is fixedly installed on the pier 1; One end of wire 52 is fixedly connected on the bottom of secondary door leaf 32, and the other end of wire 52 is fixedly connected on the wire-wrap board 53 after walking around fixed pulley.

Wherein, wire-wrap board 53 can be a circular slab, and wire-wrap board 53 centers rotatably are equipped with a connecting axle, and connecting axle is fixedly installed on the pier 1; The peripheral side of wire-wrap board 53 can be along the winding slot that circumferentially offers for winding steel wire line 52; Also being fixedly installed one on the wire-wrap board 53 is used for driving wire-wrap board 53 rotations and drives the handle 54 that wire 52 drives secondary door leaf 32 upsets.

Preferably, wire-wrap board 53 can be arranged on the lower position of pier 1, handle with convenient, fixed pulley 51 can be two, one can be arranged on doorframe 2 directly over, another then can be arranged on directly over the wire-wrap board 53, and an end that is not connected with secondary door leaf 32 of wire 52 is fixedly connected on the side of wire-wrap board 53 after can walking around successively fixed pulley 51 directly over the doorframe 2 and the fixed pulley 51 directly over the wire-wrap board 53.When rotating wire-wrap board 53, wire 52 can be wrapped in gradually on the winding slot on its side, simultaneously so that the length of the wire 52 between wire-wrap board 53 and secondary door leaf 32 shorten gradually, thereby overturn up by the secondary door leaf 32 of wire 52 pulling, get final product to supply position that main equipment passes through the time when secondary door leaf 32 is turned to.In addition, after main equipment passed through, secondary door leaf 32 went back to the upright position under deadweight, and in this process, wire 52 breaks away from wire-wrap board 53 gradually, wire-wrap board 53 rotation under wire 52 drives.

In another embodiment of the present invention, please refer to Fig. 1, above-mentioned stretching device can also be a cylinder or hydraulic cylinder, and the cylinder body tail end of cylinder or hydraulic cylinder is hinged on the pier, and the piston rod of cylinder or hydraulic cylinder is fixedly connected with the bottom of secondary door leaf; When this piston rod of control is retracted, the axial length of whole cylinder or hydraulic cylinder shorten and and pier 1 between angle increase gradually, so that driving secondary door leaf 32, piston rod overturns up, so that highly larger main equipment passes through smoothly, after main equipment passes through, then can control this piston rod and stretch out gradually, return to fastening position thereby drive secondary door leaf 32.

It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims

1. Air Throttle in Mine Pit, comprise the doorframe on the pier that is fixedly installed on the tunnel, it is characterized in that, also comprise main door leaf and the secondary door leaf that can block described doorframe inner space, described secondary door leaf is arranged at described main door leaf top, the side margins of described main door leaf is hinged by the sidepiece of at least one the first hinge and described doorframe, and the top of described secondary door leaf is hinged by the top of at least one the second hinge and described doorframe.

2. Air Throttle in Mine Pit according to claim 1 is characterized in that, described doorframe comprises two all along the column of vertical extension and be fixedly connected on back timber between the two described column tops; Described main door leaf is rectangular, and a side of described main door leaf is hinged on the described column; The top of described secondary door leaf and described back timber shape are complementary, and the top of described secondary door leaf is hinged on the described back timber.

3. Air Throttle in Mine Pit according to claim 2, it is characterized in that, described the first hinge is two, described the first hinge comprises respectively the first bearing pin and the first axle sleeve that is fixedly connected with main door leaf with doorframe, described the first bearing pin and the first axle sleeve are all along vertical extension, and described the first bearing pin is arranged in described the first axle sleeve.

4. Air Throttle in Mine Pit according to claim 3, it is characterized in that, described the second hinge is two, described the second hinge comprises respectively the second bearing pin and the second axle sleeve that is fixedly connected with secondary door leaf with doorframe, described the second bearing pin and the second axle sleeve all extend along horizontal cross, and described the second bearing pin is arranged in described the second axle sleeve.

5. arbitrary described Air Throttle in Mine Pit is characterized in that according to claim 1-4, also comprises the stretching device of opening be used to driving described secondary door leaf upset, and described stretching device is fixedly installed on the described pier.

6. Air Throttle in Mine Pit according to claim 5 is characterized in that, described stretching device comprises at least one fixed pulley, wire-wrap board and wire; The central axis of described fixed pulley is fixedly installed on the described pier, and the central axis of described fixed pulley is perpendicular to described pier; Described wire-wrap board rotatably is fixedly installed on the described pier; One end of described wire is fixedly connected on the bottom of described secondary door leaf, and the other end of described wire is fixedly connected on the described wire-wrap board after walking around described fixed pulley.

7. Air Throttle in Mine Pit according to claim 6 is characterized in that, described wire-wrap board is a circular slab, and described wire-wrap board center rotatably is equipped with a connecting axle, and described connecting axle is fixedly installed on the described pier; The peripheral side of described wire-wrap board is along circumferentially offering be used to the winding slot that twines described wire; Also being fixedly installed one on the described wire-wrap board is used for driving described wire-wrap board rotation and drives the handle that described wire drives described secondary door leaf upset.

8. Air Throttle in Mine Pit according to claim 5, it is characterized in that, described stretching device is a cylinder or hydraulic cylinder, and the cylinder body tail end of described cylinder or hydraulic cylinder is hinged on the described pier, and the piston rod of described cylinder or hydraulic cylinder is fixedly connected with the bottom of described secondary door leaf.