CN203285471U

CN203285471U - Mine air door

Info

Publication number: CN203285471U
Application number: CN2013203030809U
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: 2013-11-13
Anticipated expiration: 2023-05-29

Abstract

The utility model provides a mine air door. The mine air door comprises a door frame, a main door leaf and a secondary door leaf, wherein the door frame is fixedly arranged on a pier of a roadway; the main door leaf and the secondary door leaf can be used for blocking the inner space of the door frame; the secondary door leaf is arranged above the main door leaf; the edge of the side part of the main door leaf is hinged with the side part of the door frame by virtue of at least one first hinge; the edge of the top of the secondary door leaf is hinged with the top of the door frame by at least one second hinge. According to the mine air door provided by the utility model, common equipment and large-size equipment with obviously-different heights can smoothly pass through; the self-closing performance of the air door is not influenced, and phenomena including air running, air leaking or air flow short circuit are not caused; moreover, the volumes of the main door leaf and the secondary door leaf are not great, thereby being conductive to facilitating the transportation and installation.

Description

Air Throttle in Mine Pit

Technical field

The utility model relates to mining technique, relates in particular to a kind of Air Throttle in Mine Pit.

Background technology

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

Along with the development of mining technique, 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 the Temporary Ventilation facility need be built simultaneously, still, former air door need to be in time recovered after main equipment passes through, if recover very easily to cause not in time a large amount of race wind or Air escape branch, thereby cause downhole safety hidden danger; During another way, the doorframe of air door and door leaf are strengthened and increase respectively, still, the door leaf weight of increasing also significantly increases, cause and be difficult to realize the door leaf self closing, and transportation, install very inconvenient.

The utility model content

For above-mentioned defect of the prior art, the utility model 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 utility model provides a kind of Air Throttle in Mine Pit, comprise the doorframe on the pier that is fixedly installed on 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 as above, preferably, described doorframe comprises two all along the column of vertical extension and be fixedly connected on back timber between two described column tops; Described main door leaf is rectangular, and a side of described main door leaf is hinged on a 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 described back timber.

Air Throttle in Mine Pit as above, preferably, described the first hinge is two, and 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.

Air Throttle in Mine Pit as above, preferably, 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.

Air Throttle in Mine Pit as above, preferably, also comprise the stretching device of opening be used to driving described secondary door leaf upset, and described stretching device is fixedly installed on described pier.

Air Throttle in Mine Pit as above, preferably, 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 described pier, and the central axis of described fixed pulley is perpendicular to described pier; Described wire-wrap board rotatably is fixedly installed on 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 described wire-wrap board after walking around described fixed pulley.

Air Throttle in Mine Pit as above, preferably, described wire-wrap board is a circular slab, described wire-wrap board center rotatably is equipped with a connecting axle, and described connecting axle is fixedly installed on described pier; The peripheral side of described wire-wrap board is along circumferentially offering be used to the winding slot that is wound around described wire; Also being fixedly installed one on described wire-wrap board is used for driving described wire-wrap board and rotate and drive described wire and drive the handle that described secondary door leaf overturns.

Air Throttle in Mine Pit as above, preferably, described stretching device is a cylinder or hydraulic cylinder, and the cylinder body tail end of described cylinder or hydraulic cylinder is hinged on described pier, and the piston rod of described cylinder or hydraulic cylinder is fixedly connected with the bottom of described secondary door leaf.

The Air Throttle in Mine Pit that the utility model provides, open main door leaf or open simultaneously main door leaf and secondary door leaf by selection, can realize that conventional equipment and main equipment that highly significant is different pass through smoothly; And do not compare with the door leaf of prior art due to main door leaf and increase, its weight does not have increase, can not affect its self closing performance, and secondary door leaf can be under Gravitative Loads self closing fast, 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 install.

Description of drawings

Fig. 1 is the structural representation of the utility model Air Throttle in Mine Pit embodiment.

The specific embodiment

At first the 26S Proteasome Structure and Function of Air Throttle in Mine Pit is briefly described.Do not allow the position of wind circulation can build pier in mine laneway, so that shutoff is carried out in tunnel, but pass through for assurance equipment or pedestrian, also need to offer on pier by mouth, 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 tunnel, stop wind circulation; And when needs pedestrian or equipment by the time, open air door for pedestrians.Usually, air door need to arrange twice simultaneously, namely, former and later two piers are set on the bearing of trend of tunnel, above-mentioned Air Throttle in Mine Pit all is set on each pier, like this, when equipment or pedestrian pass through, can first open 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 born the distinguished and admirable effect of blocking.Air Throttle in Mine Pit described in each embodiment of the utility model namely refers to be arranged at the concrete structure of an air door on pier.

Fig. 1 is the structural representation of the utility model Air Throttle in Mine Pit embodiment; 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 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 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 corresponding side of doorframe 2 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 a side hinged with 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 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 location positioning that the width of secondary door leaf 32 also can main door leaf corresponding to doorframe 2 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 and open up.

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, when opening main door leaf 31, can also promote or pull secondary door leaf 32, after making its bottom level position that is turned to certain angle, secondary door leaf 32 can meet 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, open main door leaf or open simultaneously main door leaf and secondary door leaf by selection, can realize that conventional equipment and main equipment that highly significant is different pass through smoothly; And do not compare with the door leaf of prior art due to main door leaf and increase, its weight does not have increase, can not affect its self closing performance, and secondary door leaf can be under Gravitative Loads self closing fast, 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 install.

Further, doorframe 2 can comprise two all along the column 21 of vertical extension and be fixedly connected on back timber 22 between two column 21 tops, and main door leaf 31 can be rectangular, and a side of main door leaf 31 is hinged on a 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 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 main door leaf 31 can rotate take this first straight line as axle, thereby realize that the upset of main door leaf 31 opens and closes; And, can, by in the interior modes such as torsionspring that arrange of the first hinge 41, 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 make main door leaf 31 recover to close 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 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 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 pier 1, and the central axis of fixed pulley 51 is perpendicular to pier 1; Wire-wrap board 53 rotatably is fixedly installed on 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 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 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 wire-wrap board 53 be used for to drive wire-wrap board 53 and rotate and drive the handle 54 that the wire 52 secondary door leafs 32 of driving overturn.

Preferably, wire-wrap board 53 can be arranged on the lower position of pier 1, to facilitate manipulation, fixed pulley 51 can be two, one can be arranged on doorframe 2 directly over, another can be arranged on directly over wire-wrap board 53, and an end that with secondary door leaf 32, is not connected of wire 52 is fixedly connected on the side of wire-wrap board 53 after can walking around successively fixed pulley 51 directly over doorframe 2 and the fixed pulley 51 directly over wire-wrap board 53.When rotating wire-wrap board 53, wire 52 can be wrapped in gradually on the winding slot on its side, make simultaneously the length of the wire 52 between wire-wrap board 53 and secondary door leaf 32 shorten gradually, thereby pull secondary door leaf 32 to overturn up by wire 52, get final product when secondary door leaf 32 is turned to the position that can pass through for main equipment.In addition, after main equipment passed through, secondary door leaf 32 went back to 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 utility model, 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 pier, and the piston rod of cylinder or hydraulic cylinder is fixedly connected with the bottom of secondary door leaf; When controlling this piston rod retraction, the axial length of whole cylinder or hydraulic cylinder shorten and and pier 1 between angle increase gradually, making piston rod drive secondary door leaf 32 overturns up, make highly larger main equipment pass through smoothly, after main equipment passes through, can control this piston rod and stretch out gradually, thereby drive secondary door leaf 32, return to fastening position.

It should be noted that finally: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified 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 each embodiment technical scheme of the utility model.

Claims

1. Air Throttle in Mine Pit, comprise the doorframe on the pier that is fixedly installed on 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 two described column tops; Described main door leaf is rectangular, and a side of described main door leaf is hinged on a 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 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. according to claim 1-4 arbitrary described Air Throttle in Mine Pit, is characterized in that, also comprises the stretching device of opening be used to driving described secondary door leaf upset, and described stretching device is fixedly installed on 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 described pier, and the central axis of described fixed pulley is perpendicular to described pier; Described wire-wrap board rotatably is fixedly installed on 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 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 described pier; The peripheral side of described wire-wrap board is along circumferentially offering be used to the winding slot that is wound around described wire; Also being fixedly installed one on described wire-wrap board is used for driving described wire-wrap board and rotate and drive described wire and drive the handle that described secondary door leaf overturns.

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 described pier, and the piston rod of described cylinder or hydraulic cylinder is fixedly connected with the bottom of described secondary door leaf.