CN110925010B - Anti-deformation system for air door and air window of underground coal mine and installation method - Google Patents
Anti-deformation system for air door and air window of underground coal mine and installation method Download PDFInfo
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- CN110925010B CN110925010B CN201911130580.5A CN201911130580A CN110925010B CN 110925010 B CN110925010 B CN 110925010B CN 201911130580 A CN201911130580 A CN 201911130580A CN 110925010 B CN110925010 B CN 110925010B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/58—Fastening frames to the border of openings or to similar contiguous frames by filling up the joints, e.g. by cementing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6015—Anchoring means
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
Abstract
The invention relates to a coal mine underground air door and air window anti-deformation system and an installation method, wherein the coal mine underground air door and air window anti-deformation system comprises a top steel beam, a soft filling material, an air window, a door frame suspension and anti-deformation device, an anti-deformation box body device, a sealing system, yellow sand and an air door frame; the top steel beam mainly bears the deformation and stress of the top of the roadway and supports the wall above the top steel beam; the soft filling materials on the left side and the right side of the top steel beam can prevent the steel beam from being extruded by the left side and the right side of the roadway to deform; the door frame suspension and deformation-resistant device is used for suspending and fixing the air door frame and preventing the air door frame from deforming under the pressure of a roadway top plate; the deformation-resistant box body can bear the pressure and deformation of two sides of the roadway and protect the air door frames at two sides from deformation caused by stress; the sealing system can prevent air leakage from gaps among the air door frame, the wall bodies on two sides and steel beams on the door frame; the bottom yellow sand can eliminate the influence of the deformation of the roadway bottom plate on the lower door frame.
Description
Technical Field
The invention relates to an installation method of an anti-deformation system of an air door and an air window in an underground coal mine, in particular to an anti-deformation system of an air door and an air window of an easily-deformable roadway in an underground coal mine and an installation method.
Background
The underground ventilation of the coal mine is a foundation for ensuring the safe production of the coal mine, and the underground air door and air window are the most basic and most critical ventilation facilities in a ventilation system. The air door window in the pit is influenced by underground excavation activity and mine pressure, the door frame or the window frame of the air door window is often crushed and deformed, so that the air door cannot be normally opened, and the air window cannot be adjusted in air volume, so that the tunnel near the installation position of the air door window is required to be frequently overhauled to maintain the normal use of the air door window, the air door window is also required to be replaced sometimes, and the investment of mine personnel and cost is greatly increased. At present, no air door and air window system and installation method capable of effectively resisting deformation of underground coal mine tunnels exist. The invention provides an anti-deformation system and an installation method for an air door and an air window of a coal mine underground.
Disclosure of Invention
The invention provides a coal mine underground air door and air window anti-deformation system and an installation method, aiming at the problems that the air window of the existing coal mine underground air door and air window is often crushed and deformed, a pilot air door cannot be normally opened, and the air window cannot be used for adjusting the air quantity.
The utility model provides a colliery is anti deformation system of door and window in pit, anti deformation system includes that top girder steel, soft filler, wind window, door frame suspend in midair and anti deformation device, anti deformation box device, sealing system, yellow sand and air door frame, the top girder steel sets up at the wind window top, and the door frame suspends in midair and anti deformation device sets up between wind window and air door frame, anti deformation box device sets up in the wall body of air door frame left and right sides, and top girder steel both sides and door frame suspend in midair and anti deformation device both sides set up soft filler, and sealing system sets up in the left and right sides of wind window and upper portion gap and the left and right sides and the top gap of air door frame, the underframe of air door frame is buried underground in the yellow sand.
Further, the door frame suspends in midair and anti-deformation device includes girder steel, girder steel upper hanger, wire rope and euphroe on the door frame, eight total of above the air door frame are arranged to the girder steel on the door frame, and the windward side sets up twice, and the leeward side sets up six, on the girder steel hanger card to build on the twice door frame of wall body windward side by laying bricks or stones on the girder steel, set up grooved surface rings on the girder steel upper hanger, air door frame upper portion sets up rings, wire rope passes grooved surface rings and the last rings of air door frame of hanger on the girder steel in proper order, the euphroe sets up on the door girder steel upper hanger and with wire rope end connection, the euphroe has reverse tight locking device.
Further, sealing system includes soft expanded material and expansion joint sealing strip, the gap on air window left and right sides and upper portion sets up soft expanded material, the air door frame left and right sides and upper portion set up the expansion joint sealing strip.
Furthermore, the anti-deformation box device is a cuboid combined nested welding piece with an opening, the opening side faces the air door frame, and the anti-deformation box device is symmetrically arranged in the wall bodies on the left side and the right side of the air door frame.
Further, the air door frame includes rings on upper ledge, frame, underframe, last ear spare, side ear spare and the door frame, it is located to set up between the girder steel on the adjacent twice door frame of windward side and leeward side to go up the ear spare, the side ear spare nestification in the resistance to deformation box device.
The installation method of the deformation-resistant system of the underground coal mine air door and air window is characterized in that: the specific installation steps are as follows:
(a) assembling the air door frame, and then placing the air door frame aside for later use;
(b) digging a rectangular pit which is 40cm wider, 50cm wider and 50cm deep than an air door frame in the radial direction of a roadway on a roadway bottom plate at the installation position of an air door, then filling dry yellow sand with the thickness of 35cm into the rectangular pit, leveling and fixing the air door frame on the yellow sand after the yellow sand is paved, and then filling the rectangular pit with the yellow sand;
(c) building walls on the left side and the right side of an air door frame, wherein the total thickness of the walls is 100cm, the thickness of the wall on the windward side is 26.5cm, the thickness of the wall on the leeward side is 73.5cm, 20cm gaps are respectively reserved between the walls on the two sides and the air door frame, when the walls are built to be 6cm away from side lugs of the door frame, placing an anti-deformation box body device on the walls to enable the side lugs of the air door frame to be located in the middle of the anti-deformation box body device, and then continuing building the walls to be 12cm away from the tops of the lugs on the air door frame;
(d) after the masonry wall is kept stand for 24 hours and reaches certain strength, erecting steel beams on the door frame on the masonry wall, erecting 2 steel beams on the door frame on the windward side, erecting 6 steel beams on the door frame on the leeward side, and then penetrating through fixing holes reserved at two ends of the upper steel beams by bolts to fix the steel beams on the door frame together;
(e) the steel beam upper hanging piece is clamped on the steel beam on the two door frames on the windward side of the masonry wall, then the steel wire rope sequentially penetrates through a hanging ring of the steel beam upper hanging piece and a hanging ring of an upper door frame, finally the steel wire rope penetrates through a rope tightener to tightly hang the door frame of the air door, the steel wire rope is locked to prevent the door frame from falling due to looseness, and then wood, an anchor rod and an iron wire for fixing the door frame of the air door are removed;
(f) fixing the air window above a steel beam on a door frame through screws, ensuring that the air window is positioned in the center of a roadway, and sticking soft foaming materials to the left side, the right side and the top of the air window through inorganic glue, wherein the thickness of the soft foaming materials on the left side, the right side and the top of the air window is 20 cm;
(g) filling soft filling materials into gaps on two sides of the steel beam on the door frame, wherein the height of the soft filling materials is flush with the top surface of the steel beam on the door frame, and then continuously building a wall body on two sides of the soft foaming materials on the left and right sides of the air window, the steel beam on the door frame and the upper parts of the soft filling materials on the two sides, wherein the thickness of the wall body is the same as that of the wall body on the lower part, and the building of the wall body is carried out until the height;
(h) laying a top steel beam on the upper part of a wall body, then penetrating bolts through reserved fixing holes at two ends of the top steel beam to fix the top steel beam together, filling soft filling materials in gaps at two sides of the top steel beam, enabling the height of the soft filling materials to be flush with the top surface of the top steel beam, and building the wall body to the top of a roadway;
(i) two sides of the expansion joint sealing strip are respectively fixed on the frame of the air door, the wall body corresponding to the two sides of the expansion joint sealing strip and the steel beams on the door upper frame and the door frame through screws, so that air leakage of a gap between the door frame and the wall body is avoided;
(j) and (4) mounting the matched air door body on the door frame to finish the mounting of the anti-deformation air door and the anti-deformation air window.
The invention has the beneficial effects that:
(1) according to the anti-deformation system for the air window of the coal mine underground air door, provided by the invention, when a tunnel top plate deforms downwards, after a top steel beam deforms, a soft foaming material below the top steel beam can absorb the deformation of the steel beam, so that the air window below is protected from being influenced by the pressure of the tunnel top plate;
(2) when the deformation of the tunnel top plate is continuously increased to cause the bending deformation of the steel beam on the door frame, the air window integrally moves upwards or downwards along with the steel beam on the door frame, the soft foaming material on the upper part of the air window protects the air window from deforming, the steel beam on the door frame uniformly acts on the upper door frame through the steel wire rope to enable the door frame to move upwards or downwards, and the deformation of the door frame is avoided;
(3) when the left and right sides of the roadway are displaced and deformed towards the middle, soft materials capable of absorbing the deformation of the left and right sides are uniformly distributed on the left and right sides of the top steel beam and the door frame upper steel beam to protect the top steel beam and the door frame upper steel beam;
(4) when the wall bodies on the two sides of the air door and the air window move towards the middle, the soft foaming materials on the two sides of the air window on the upper portion protect the air window from deforming, meanwhile, the anti-deformation box body devices on the two sides of the air door frame move towards the middle of a roadway under the driving of the wall bodies, the nesting combination part of the side lugs and the box body of the air door frame is increased, and the air door frame is protected from deforming;
(5) the two sides adopt a nested structure of an anti-deformation box body device, so that the air door frame can be fixed to prevent the air door frame from swinging back and forth, the deformation of the left and right sides of the roadway is borne, and the vertical movement of the door frame caused by the stress and the deformation of the top bottom plate is allowed;
(6) the bottom is filled with soft materials, so that the air door frame can be protected from the influence of deformation and stress of the bottom plate, and the stability of the air door and the air window structure is kept.
Drawings
FIG. 1 is a front view of a coal mine underground air door and air window anti-deformation system;
FIG. 2 is a left side view of the anti-deformation system of the underground coal mine air door and air window;
an enlarged partial view at a in fig. 3 and 2;
FIG. 4 is a front view of a steel beam upper hanging part in the deformation resisting system of the underground coal mine air door and air window;
figure 5, left side view of the steel beam hoist.
In the figure: 1-top steel beam, 2-soft filling material, 3-wind window, 4-door frame suspension and anti-deformation device, 401-steel beam on door frame, 402-steel beam upper hanger, 403-steel wire rope, 404-rope tightener, 5-anti-deformation box body device, 6-sealing system device, 601-soft foaming material, 602-expansion joint rubber strip, 7-yellow sand, 8-air door frame, 801-upper frame, 802-frame, 803-bottom frame, 804-upper ear piece, 805-side ear piece and 806-door frame upper hanging ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
A coal mine underground air door and air window anti-deformation method comprises a top steel beam 1, a soft filling material 2, an air window 3, a door frame suspension and anti-deformation device 4, an anti-deformation box device 5, a sealing system 6, yellow sand 7 and an air door frame 8; the top steel beam 1 is arranged at the top of the air window 3, the door frame suspension and anti-deformation device 4 is positioned between the air window 3 and the air door frame 8, the anti-deformation box body device 5 is arranged in the wall body at the left side and the right side of the air door frame, the two sides of the top steel beam 1 and the two sides of the door frame suspension and anti-deformation device 4 are provided with soft filling materials, the sealing system 4 is arranged at the left side and the right side of the air window and the upper gap of the air door frame and the left side and the upper gap of the air door frame, and the bottom frame of the air door frame is.
The soft filling material 2 can absorb the deformation and stress of two sides of the roadway, the top steel beam 1 is of a rigid structure, and the top steel beam 1 can effectively bear the weight of the material stones on the top of the top steel beam and the partial stress of the top of the roadway; the door frame suspension and deformation resistance device 4 comprises an upper door frame steel beam 401, a steel beam upper hanger 402, a steel wire rope 403 and a rope tightener 404, wherein the upper door frame steel beam 401 is arranged above the door frame of the air door for eight times, two steel beams are arranged on the windward side, six steel beams are arranged on the leeward side, and the upper door frame steel beam 401 can effectively bear the weight of an upper air window, material stones and partial stress at the top of a roadway; the steel beam upper hanging piece 402 is clamped on steel beams on two door frames on the windward side, a groove face hanging ring is arranged on the steel beam upper hanging piece 402, a steel wire rope 403 penetrates through the groove face hanging ring of the steel beam upper hanging piece 402 and an upper hanging ring 806 of the air door frame 8 and hangs up the air door frame 8, a rope tightener 404 is arranged on the steel beam upper hanging piece 402 and is connected with the end part of the steel wire rope, the rope tightener 404 is provided with a reverse locking device for preventing the steel wire rope from loosening, and when the steel wire rope 403 is loosened due to deformation of a roadway, the air door frame 8 can be hung tightly again by adjusting the rope tightener 404;
the sealing system 6 comprises a soft foaming material and expansion joint sealing strips 602, gaps on the left side, the right side and the upper side of the air window 3 are sealed and filled with the soft foaming material 601, and gaps on the left side, the right side and the upper side of the air door frame 8 are sealed by the expansion joint sealing strips 602;
the anti-deformation box body device 5 is a cuboid combined nested welding piece with an opening on one side, and the opening side faces towards the air door frame. The air door frame is symmetrically arranged in the wall bodies at the left side and the right side of the air door frame.
The air door frame 8 comprises an upper frame 801, a side frame 802, a bottom frame 803, an upper lug 804, a side lug 805 and an upper door frame hanging ring 806, wherein the bottom frame 803 is pre-embedded in the bottom yellow sand 7 filling to protect the bottom frame 803 from deformation; the upper ear piece 804 is positioned between the second steel rail and the third steel rail of the door frame upper steel beam 401, when the tunnel bottom heave is serious, the air door frame (8) moves upwards, and the whole air door frame 8 can integrally move upwards to prevent the whole air door frame 8 from being deformed due to the stress extrusion of the bottom plate because the upper ear piece 804 is positioned between the two adjacent door frame upper steel beams on the windward side and the leeward side of the door frame upper steel beam 401; the side ear pieces 805 are nested in the anti-deformation box body devices 5 on the two sides, and when the two sides of the roadway displace and deform towards the center of the roadway, the nested overlapping structure of the side ear pieces 805 and the anti-deformation box body devices 5 on the two sides can effectively eliminate the influence of the deformation of the two sides of the roadway on the air door frame 8; after the steel wire rope 403 passes through the door frame upper hanging ring 806 and the steel beam upper hanging piece 402 groove surface hanging ring respectively, the steel wire rope is tightened by the rope tightener 404 to bear the weight of the air door frame 8.
An installation method of a coal mine underground air door and air window anti-deformation system comprises the following specific installation steps:
(a) assembling the air door frame 8, and then placing the air door frame 8 aside for standby;
(b) digging a rectangular pit which is 40cm wider, 50cm wider and 50cm deep than an air door frame in the radial direction of a roadway on a roadway bottom plate at the installation position of an air door, then filling dry yellow sand 7 with the thickness of 35cm into the rectangular pit, after the yellow sand is paved, standing the air door frame on the yellow sand, leveling and fixing the air door frame on two sides of the roadway by using wood, an anchor rod and an iron wire, and then filling the rectangular pit with the yellow sand;
(c) building walls on the left side and the right side of the air door frame, wherein the total thickness of the walls is 100cm, the thickness of the wall on the windward side is 26.5cm, the thickness of the wall on the leeward side is 73.5cm, 20cm gaps are respectively reserved between the walls on the two sides and the air door frame, when the walls are built to be 6cm away from the door frame side lug pieces, placing the anti-deformation box body device 5 on the walls to enable the air door frame side lug pieces 805 to be located in the middle position inside the anti-deformation box body device 5, and then continuing building the walls to be 12cm high away from the top of the air door frame upper lug pieces 804;
(d) after the masonry wall is kept stand for 24 hours and reaches certain strength, erecting the door frame upper steel beams 401 on the masonry wall, erecting 2 door frame upper steel beams 401 on the windward side, erecting 6 door frame upper steel beams 401 on the leeward side, and then penetrating through the reserved fixing holes at the two ends of the upper steel beams by bolts to fix the door frame upper steel beams together;
(e) the steel beam upper hanging piece 402 is clamped on two steel beams on the windward side of the masonry wall, then the steel wire rope 403 sequentially penetrates through a hanging ring of the steel beam upper hanging piece and a hanging ring 402 on the door frame, finally the steel wire rope 403 penetrates through a rope tightener 404 to tightly hang the air door frame 8, the steel wire rope 403 is locked to prevent the looseness of the steel wire rope to prevent the door frame from falling, and then wood, an anchor rod and iron wires for fixing the air door frame are removed;
(f) fixing the air window 3 above a steel beam 401 on a door frame through screws, ensuring that the air window is positioned in the center of a roadway, and adhering soft foaming materials to the left side, the right side and the top of the air window through inorganic glue, wherein the thickness of the soft foaming materials on the left side, the right side and the top of the air window is 20 cm;
(g) filling soft filling materials 2 into gaps at two sides of the steel beam on the door frame, wherein the height of the soft filling materials is flush with the top surface of the steel beam on the door frame, and then continuously building a wall body at two sides of the soft foaming materials at the left and right sides of the air window, the steel beam on the door frame and the upper parts of the soft filling materials at the two sides, wherein the thickness of the wall body is the same as that of the wall body at the lower part, and the building of the wall body is carried out until the height;
(h) laying a top steel beam 1 on the upper part of a wall body, then penetrating bolts through reserved fixing holes at two ends of the top steel beam to fix the top steel beam together, filling soft filling materials in gaps at two sides of the top steel beam, enabling the height of the soft filling materials to be flush with the top surface of the top steel beam, and building the wall body to the top of a roadway;
(i) two sides of the expansion joint sealing strip are respectively fixed on the frame of the air door, the wall body corresponding to the two sides of the expansion joint sealing strip and the steel beams on the door upper frame and the door frame through screws, so that air leakage of a gap between the door frame and the wall body is avoided;
(j) and (4) mounting the matched air door body on the door frame to finish the mounting of the anti-deformation air door and the anti-deformation air window.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (5)
1. The anti-deformation system of the air door and the air window in the coal mine is characterized by comprising a top steel beam, soft filling materials, an air window, a door frame suspension and anti-deformation device, an anti-deformation box device, a sealing system, yellow sand and an air door frame, wherein the top steel beam is arranged at the top of the air window, the door frame suspension and anti-deformation device is arranged between the air window and the air door frame, the anti-deformation box device is arranged in the wall bodies at the left side and the right side of the air door frame, the soft filling materials are arranged at the two sides of the top steel beam and the two sides of the door frame suspension and anti-deformation device, the sealing system is arranged in the gaps at the left side and the right side of the air window, the upper gap of the air door and the gaps at the left side and the; the door frame suspends in midair and anti-deformation device includes girder steel, girder steel upper hanger, wire rope and euphroe on the door frame, eight total above the air door frame are arranged to the girder steel on the door frame, and the windward side sets up twice, and the leeward side sets up six, on the girder steel hanger card to the girder steel on the twice door frame of windward side, set up grooved surface rings on the girder steel upper hanger, air door frame upper portion sets up rings, wire rope passes the grooved surface rings of hanger on the girder steel and the last rings of air door frame from top to bottom in proper order, the euphroe sets up on the door girder steel upper hanger and with wire rope end connection, the euphroe has reverse tight locking device.
2. The anti-deformation system for the air door and the air window in the coal mine well according to claim 1, wherein the sealing system comprises a soft foaming material and expansion joint sealing strips, the soft foaming material is arranged in gaps at the left side, the right side and the upper part of the air window, and the expansion joint sealing strips are arranged at the left side, the right side and the upper part of the air door frame.
3. The anti-deformation system of the underground coal mine air door and window according to claim 1, wherein the anti-deformation box device is a cuboid combined nested welding part with an opening on one side, the opening side faces the air door frame, and the anti-deformation box device is symmetrically arranged in the wall bodies on the left side and the right side of the air door frame.
4. The anti-deformation system for the air door and the air window in the coal mine well is characterized in that the air door frame comprises an upper frame, a bottom frame, an upper lug piece, a side lug piece and an upper door frame lifting ring, wherein the upper lug piece is positioned between two upper door frame steel beams arranged on the windward side and the leeward side, and the side lug piece is nested in the anti-deformation box body device.
5. The installation method of the anti-deformation system for the underground coal mine air door and window is characterized by comprising the following steps: the specific installation steps are as follows:
(a) assembling the air door frame, and then placing the air door frame aside for later use;
(b) digging a rectangular pit which is 40cm wider, 50cm wider and 50cm deep than an air door frame in the radial direction of a roadway on a roadway bottom plate at the installation position of an air door, then filling dry yellow sand with the thickness of 35cm into the rectangular pit, leveling and fixing the air door frame on the yellow sand after the yellow sand is paved, and then filling the rectangular pit with the yellow sand;
(c) building walls on the left side and the right side of an air door frame, wherein the total thickness of the walls is 100cm, the thickness of the wall on the windward side is 26.5cm, the thickness of the wall on the leeward side is 73.5cm, 20cm gaps are respectively reserved between the walls on the two sides and the air door frame, when the walls are built to be 6cm away from side lugs of the door frame, placing an anti-deformation box body device on the walls to enable the side lugs of the air door frame to be located in the middle of the anti-deformation box body device, and then continuing building the walls to be 12cm away from the tops of the lugs on the air door frame;
(d) after the masonry wall is kept stand for 24 hours and reaches certain strength, erecting steel beams on the door frame on the masonry wall, erecting 2 steel beams on the door frame on the windward side, erecting 6 steel beams on the door frame on the leeward side, and then penetrating through fixing holes reserved at two ends of the upper steel beams by bolts to fix the steel beams on the door frame together;
(e) the steel beam upper hanging piece is clamped on the steel beam on the two door frames on the windward side of the masonry wall, then the steel wire rope sequentially penetrates through a hanging ring of the steel beam upper hanging piece and a hanging ring of an upper door frame, finally the steel wire rope penetrates through a rope tightener to tightly hang the door frame of the air door, the steel wire rope is locked to prevent the door frame from falling due to looseness, and then wood, an anchor rod and an iron wire for fixing the door frame of the air door are removed;
(f) fixing the air window above a steel beam on a door frame through screws, ensuring that the air window is positioned in the center of a roadway, and sticking soft foaming materials to the left side, the right side and the top of the air window through inorganic glue, wherein the thickness of the soft foaming materials on the left side, the right side and the top of the air window is 20 cm;
(g) filling soft filling materials into gaps on two sides of the steel beam on the door frame, wherein the height of the soft filling materials is flush with the top surface of the steel beam on the door frame, and then continuously building a wall body on two sides of the soft foaming materials on the left and right sides of the air window, the steel beam on the door frame and the upper parts of the soft filling materials on the two sides, wherein the thickness of the wall body is the same as that of the wall body on the lower part, and the building of the wall body is carried out until the height;
(h) laying a top steel beam on the upper part of a wall body, then penetrating bolts through reserved fixing holes at two ends of the top steel beam to fix the top steel beam together, filling soft filling materials in gaps at two sides of the top steel beam, enabling the height of the soft filling materials to be flush with the top surface of the top steel beam, and building the wall body to the top of a roadway;
(i) two sides of the expansion joint sealing strip are respectively fixed on the frame of the air door, the wall body corresponding to the two sides of the expansion joint sealing strip and the steel beams on the door upper frame and the door frame through screws, so that air leakage of a gap between the door frame and the wall body is avoided;
(j) and (4) mounting the matched air door body on the door frame to finish the mounting of the anti-deformation air door and the anti-deformation air window.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911130580.5A CN110925010B (en) | 2019-11-19 | 2019-11-19 | Anti-deformation system for air door and air window of underground coal mine and installation method |
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| CN201911130580.5A CN110925010B (en) | 2019-11-19 | 2019-11-19 | Anti-deformation system for air door and air window of underground coal mine and installation method |
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| CN110925010B true CN110925010B (en) | 2021-06-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1149027A2 (en) * | 1983-10-04 | 1985-04-07 | Днепропетровский Ордена Трудового Красного Знамени Горный Институт Им.Артема | Ventilation door for controlling air flow |
| CN2926513Y (en) * | 2006-07-27 | 2007-07-25 | 宋彦波 | Double-blade pressure-balanced shrinkaging throttle |
| CN201047290Y (en) * | 2007-06-29 | 2008-04-16 | 李雪峰 | Compression-resistant type alley way air door |
| CN102808641A (en) * | 2012-07-14 | 2012-12-05 | 山东新阳能源有限公司 | Compression resistant air door in underground mine |
| CN204783112U (en) * | 2015-07-07 | 2015-11-18 | 华北科技学院 | Mining novel air door wall body |
| CN106640171A (en) * | 2017-03-14 | 2017-05-10 | 山东科技大学 | Air door with self-repairing function and construction method thereof |
| CN208534525U (en) * | 2018-06-07 | 2019-02-22 | 兖州煤业股份有限公司 | A kind of highland pressure mine allows the outer wrong air door of pressure wall |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1149027A2 (en) * | 1983-10-04 | 1985-04-07 | Днепропетровский Ордена Трудового Красного Знамени Горный Институт Им.Артема | Ventilation door for controlling air flow |
| CN2926513Y (en) * | 2006-07-27 | 2007-07-25 | 宋彦波 | Double-blade pressure-balanced shrinkaging throttle |
| CN201047290Y (en) * | 2007-06-29 | 2008-04-16 | 李雪峰 | Compression-resistant type alley way air door |
| CN102808641A (en) * | 2012-07-14 | 2012-12-05 | 山东新阳能源有限公司 | Compression resistant air door in underground mine |
| CN204783112U (en) * | 2015-07-07 | 2015-11-18 | 华北科技学院 | Mining novel air door wall body |
| CN106640171A (en) * | 2017-03-14 | 2017-05-10 | 山东科技大学 | Air door with self-repairing function and construction method thereof |
| CN208534525U (en) * | 2018-06-07 | 2019-02-22 | 兖州煤业股份有限公司 | A kind of highland pressure mine allows the outer wrong air door of pressure wall |
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| CN110925010A (en) | 2020-03-27 |
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