CN117307239B - Air supply device of tunnel construction rescue capsule and use method - Google Patents
Air supply device of tunnel construction rescue capsule and use method Download PDFInfo
- Publication number
- CN117307239B CN117307239B CN202311609132.XA CN202311609132A CN117307239B CN 117307239 B CN117307239 B CN 117307239B CN 202311609132 A CN202311609132 A CN 202311609132A CN 117307239 B CN117307239 B CN 117307239B
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- upper plate
- ventilation
- movably
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000002775 capsule Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 73
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 230000004083 survival effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F1/04—Air ducts
- E21F1/06—Duct connections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of tunnel engineering, and particularly discloses an air supply device of a tunnel construction rescue capsule, which comprises a protection structure and a ventilation structure, wherein the ventilation structure is detachably arranged in the protection structure and can be spliced relatively, and the ventilation structure is fastened through a first bolt and a first nut after being spliced; the ventilation structure can be effectively shielded and protected through the protection structure, and the oxygen supply requirement in the safety cabin is not affected due to damage caused by collapse accidents; when an accident occurs, personnel in the safety cabin can climb and escape by virtue of the ventilation pipe and can escape from an escape door in the middle of the ventilation pipe according to requirements; the protective railing of the escape unit can be conveniently disassembled to climb out from between the upper plate and the lower plate; the safety officer or doctor can enter from the outside to rescue in time.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to an air supply device of a tunnel construction rescue capsule and a use method thereof.
Background
Tunnel engineering is a building built underground or under water or in mountain, paved with railways or built roads for motor vehicles to pass through; the tunnel construction method can be divided into mountain tunnel engineering, underwater tunnel engineering and urban tunnel engineering according to the position of the tunnel construction method; the most common tunnels are mountain tunnels, i.e. going from one side of the mountain to the other; however, the construction and excavation of mountain tunnels are extremely dangerous, and collapse accidents are easy to occur; in order to ensure the safety of constructors, a safety cabin and a movable safety cabin are arranged along with the excavation of construction; the safety cabin can effectively prevent collapse from being pressed and smashed; the safety cabin can be paved with ventilation pipelines correspondingly so as to be used for construction excavation and oxygen supply in the safety cabin; however, the existing ventilating duct is spliced by adopting a single duct, so that the existing ventilating duct is easily damaged by impact when a collapse accident occurs, and further, if the tunnel construction is deeper, the oxygen supply requirement of the inside escape personnel can be affected, and the personnel cannot escape through the ventilating duct, so that the air supply device of the tunnel construction rescue capsule is designed.
Disclosure of Invention
The invention aims to provide an air supply device of a tunnel construction rescue capsule and a use method thereof, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a ventilation unit of tunnel construction survival capsule, includes protective structure and ventilation structure, ventilation structure can dismantle and settle in protective structure, and ventilation structure can splice relatively to the ventilation structure is fastened through first bolt and first nut after the concatenation.
Preferably, the protection structure comprises a protection unit, two groups of buffer units and a plurality of groups of escape units; wherein two groups of buffer units can be detachably arranged on the inner upper wall of the protection unit and are respectively positioned at the middle parts of the left end and the right end of the protection unit symmetrically, and a plurality of groups of escape units are respectively and fixedly arranged in the front end and the rear end of the protection unit at equal intervals.
Preferably, the protection unit comprises an upper plate, a lower plate, four pairs of sleeve feet, a plurality of first springs, two centering connecting rods and two pairs of clamping arms; the upper plate is of a rectangular plate body structure, a pair of telescopic holes are formed in the middle parts of the two ends close to the left end and the right end, the lower plate is identical to the upper plate, the lower plate is movably arranged below the upper plate, four pairs of clamping arms are detachably arranged at four corners of the lower wall of the upper plate and four corners of the upper wall of the upper plate through second bolts respectively and are symmetrical to each other, compression holes are formed in the middle parts of the opposite side walls of the clamping arms, a plurality of first springs are movably embedded in the compression holes of the clamping arms respectively, the upper end and the lower end of each of the two pairs of connecting rods are movably inserted in the compression holes respectively and cannot be separated from the clamping arms, one ends of the clamping arms are detachably arranged in the middle parts of the connecting rods through third bolts respectively and are symmetrically arranged at the front end and the rear end of each clamping arm, and the other ends of the clamping arms are of an arc structure.
Preferably, the buffer unit comprises a buffer frame, a pair of limiting rods, a pair of second nuts and a pair of second springs; the buffer frame is concave structure, and the upper wall is provided with the rubber pad, buffer frame movable mounting is in upper plate right-hand member lower wall, and is located the middle part, the caulking groove has all been seted up at both ends middle part around the buffer frame upper wall, a pair of gag lever post one end is fixed respectively and is set up in the caulking groove inner lower wall middle part of buffer frame, and the gag lever post other end is movable respectively and is run through in the expansion hole of upper plate, a pair of second nut is movable the spin joint respectively on the gag lever post other end, and is located the upper plate top, a pair of second spring is movable the suit respectively on the gag lever post, and one end activity cartridge is in the caulking groove to the other end laminating is in upper plate lower wall.
Preferably, the escape units are respectively equidistantly arranged between the front end and the rear end of the upper plate and the lower plate, one of the escape units is positioned in the middle of the upper wall of the lower plate, and each escape unit comprises a pair of main seats, a protective railing, a pair of limit screws and a pair of third nuts; the pair of main seats are respectively fixedly arranged on the opposite side walls of the upper plate and the lower plate and are positioned in the middle of the front end, the side walls of the other ends of the main seats are respectively penetrated and provided with a first lock hole, the middle parts of the front side and the rear side of the first lock hole are respectively provided with a lock groove which is communicated with each other, the two ends of the protective railing are respectively movably inserted in the other ends of the main seats, the middle parts of the two ends of the protective railing are respectively provided with a second lock hole which corresponds to the first lock hole, one end of the limiting screw is respectively movably penetrated through the first lock hole and the second lock hole, one end of the limiting screw is matched with the shape of the first lock hole, and the pair of the third nuts are respectively movably screwed on one end of the limiting screw.
Preferably, the ventilation structure comprises a ventilation pipe, a pair of alloy flanges, a pair of escape doors, a pair of steel nets, a pair of filter nets and a pair of door bolt screws; the vent pipe is the rubber body, both sides wall middle part all is provided with the escape hole around the vent pipe, and the lower wall middle part all is provided with first locking piece in the escape hole, a pair of alloy flange is fixed respectively to be set up on the vent pipe both ends, and a plurality of switching holes have been seted up to alloy flange equidistance, a pair of escape door one end is settled in escape hole one end through folding paper activity respectively, and escape door bottom sets up in the corresponding second locking piece of first locking piece, a pair of steel mesh is fixed respectively to inlay in escape door middle part front end, a pair of the filter screen is fixed respectively to inlay in the escape door middle part, and is located the steel mesh rear side, a pair of keeper screw rod activity respectively connects in first locking piece and second locking piece soon.
Preferably, the ventilation structure is relatively switched through an alloy flange on the ventilation pipe, and is switched and fixed through a first bolt and a first nut.
Preferably, the ventilation structure is movably clamped between the clamping arms through the ventilation pipe to be arranged, and alloy flanges at two ends of the ventilation pipe are close to the left side wall and the right side wall of the upper plate after being fixed.
The application method of the air supply device of the tunnel construction rescue capsule comprises the following steps:
step one, assembling the ventilation structure through a first bolt and a first nut;
step two, the ventilation structure can be fixed on one side of the construction tunnel through the protection structure, and the ventilation pipe is effectively protected and shielded, so that the damage and the breakage caused by accidents are prevented, and the oxygen supply of the safety cabin is prevented from being influenced;
step three, by effectively protecting the ventilation structure, personnel can safely transfer and escape by means of the ventilation pipe; and can be opened and accessed through the escape door directly at the corresponding position according to the requirement.
The invention provides an air supply device of a tunnel construction rescue capsule and a use method thereof, which have the beneficial effects that:
1. the invention can be spliced and assembled in an infinite way through the ventilation structure, and can be prolonged and used according to the construction progress of the tunnel;
2. according to the invention, the ventilation structure can be effectively shielded and protected through the protection structure, so that the oxygen supply requirement in the safety cabin is not influenced due to damage caused by collapse accidents;
3. when an accident occurs, personnel in the safety cabin can climb and escape by virtue of the ventilation pipe and can escape from an escape door in the middle of the ventilation pipe according to requirements; the protective railing of the escape unit can be conveniently disassembled to climb out from between the upper plate and the lower plate; the safety officer or doctor can enter from the outside to rescue in time.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a schematic diagram of a split structure of a protection structure according to the present invention.
Fig. 3 is a schematic diagram of an assembly structure of a protection structure according to the present invention.
Fig. 4 is a schematic diagram of a split structure of the ventilation structure of the present invention.
Fig. 5 is a schematic diagram of an assembled ventilation structure according to the present invention.
Fig. 6 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention.
Fig. 7 is a schematic view of a partial enlarged structure at B in fig. 2 according to the present invention.
Fig. 8 is a schematic view of a partial enlarged structure at C in fig. 4 according to the present invention.
Fig. 9 is a schematic view of a partial enlarged structure at D in fig. 3 according to the present invention.
In the figure: 1. a protective structure; 11. a protection unit; 12. a buffer unit; 13. an escape unit; 111. an upper plate; 112. a lower plate; 113. sleeving feet; 114. a first spring; 115. a middle connecting rod; 116. a clamp arm; 121. a buffer frame; 122. a limit rod; 123. a second nut; 124. a second spring; 131. a main seat; 132. a protective rail; 133. a limit screw; 134. a third nut; 2. a ventilation structure; 21. a ventilation pipe; 22. an alloy flange; 23. an escape door; 24. a steel mesh; 25. a filter screen; 26. a bolt screw; 3. a telescopic hole; 4. a second bolt; 5. a first bolt; 6. a first nut; 7. a third bolt; 8. a first locking piece; 9. and a second locking piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a ventilation unit of tunnel construction survival capsule, includes protective structure 1 and ventilation structure 2, and ventilation structure 2 can dismantle the disposition in protective structure 1, and ventilation structure 2 can splice relatively to ventilation structure 2 is fastened through first bolt 5 and first nut 6 after the concatenation.
Preferably, the protective structure 1 is made of metal.
As a preferred scheme, the protection structure 1 further comprises a protection unit 11, two groups of buffer units 12 and a plurality of groups of escape units 13; wherein, two groups of buffer units 12 are detachably arranged on the inner upper wall of the protection unit 11 and are respectively positioned at the middle parts of the left end and the right end symmetrically, and a plurality of groups of escape units 13 are respectively and fixedly arranged in the front end and the rear end of the protection unit 11 at equal intervals; the protection unit 11 comprises an upper plate 111, a lower plate 112, four pairs of sleeve feet 113, a plurality of first springs 114, two pairs of centering links 115 and two pairs of clamping arms 116; the upper plate 111 is rectangular plate body structure, and be close to both ends middle part about and all offered a pair of expansion hole 3, the lower plate 112 is the same with the upper plate 111, the lower plate 112 activity sets up in upper plate 111 below, four pairs of cover feet 113 one end respectively through second bolt 4 detachable arrangement in upper plate 111's lower wall four corners position department and upper plate 111's upper wall four corners position department, and symmetry each other, the compression hole has all been offered at four pairs of cover feet 113 relative lateral wall middle parts, a plurality of first springs 114 are respectively movable to inlay in the compression hole of cover feet 113, the upper and lower both ends of two centering connecting rods 115 are movable cartridge respectively in the compression hole, and can't break away from the cover feet 113, two pairs of arm clamps 116 one end respectively through the detachable arrangement of third bolt 7 in the middle connecting rod 115 middle part, and be located front and back both ends symmetry respectively, two pairs of arm clamps 116 other end are the arc structure.
As a preferred embodiment, the buffer unit 12 includes a buffer frame 121, a pair of stopper rods 122, a pair of second nuts 123, and a pair of second springs 124; the buffer frame 121 is of a concave structure, a rubber pad is arranged on the upper wall, the buffer frame 121 is movably arranged on the lower wall at the right end of the upper plate 111 and is located in the middle, caulking grooves are formed in the middle of the front end and the rear end of the upper wall of the buffer frame 121, one ends of a pair of limiting rods 122 are respectively fixedly arranged in the middle of the lower wall in the caulking grooves of the buffer frame 121, the other ends of the limiting rods 122 respectively movably penetrate through the telescopic holes 3 of the upper plate 111, a pair of second nuts 123 are respectively movably connected to the other ends of the limiting rods 122 in a screwing mode and are located above the upper plate 111, a pair of second springs 124 are respectively movably sleeved on the limiting rods 122, one ends of the second springs are movably inserted in the caulking grooves, and the other ends of the second springs are attached to the lower wall of the upper plate 111.
As a preferred solution, the escape units 13 are respectively disposed between the front and rear ends of the upper plate 111 and the lower plate 112 at equal intervals, and one of the escape units 13 is disposed in the middle of the upper wall of the lower plate 112, and the escape unit 13 includes a pair of main seats 131, a guard rail 132, a pair of limit screws 133, and a pair of third nuts 134; the pair of main seats 131 are fixedly arranged on the opposite side walls of the upper plate 111 and the lower plate 112 respectively and are positioned in the middle of the front end, the side walls of the other ends of the pair of main seats 131 are respectively penetrated and provided with a first lock hole, the middle parts of the front side and the rear side of the first lock hole are respectively provided with a lock groove which is communicated with each other, the two ends of the guard rail 132 are respectively movably inserted into the other ends of the main seats 131, the middle parts of the two ends of the guard rail 132 are respectively provided with a second lock hole which corresponds to the first lock hole, one end of the limiting screw 133 is respectively movably penetrated through the first lock hole and the second lock hole, one end of the limiting screw 133 is matched with the shape of the first lock hole, and the pair of third nuts 134 are respectively movably screwed on one end of the limiting screw 133.
Preferably, the ventilation structure 2 comprises a ventilation pipe 21, a pair of alloy flanges 22, a pair of escape doors 23, a pair of steel nets 24, a pair of filter nets 25 and a pair of bolt screws 26; the vent pipe 21 is a rubber pipe body, escape openings are formed in the middle of the front side wall and the rear side wall of the vent pipe 21, first locking blocks 8 are formed in the middle of the inner lower wall of the escape openings, a pair of alloy flanges 22 are fixedly arranged at two ends of the vent pipe 21 respectively, a plurality of switching holes are formed in the alloy flanges 22 at equal intervals, one ends of a pair of escape doors 23 are movably arranged at one ends of the escape openings respectively through hinges, the bottoms of the escape doors 23 are arranged on second locking blocks 9 corresponding to the first locking blocks 8, a pair of steel meshes 24 are fixedly embedded in the front ends of the middle parts of the escape doors 23 respectively, a pair of filter screens 25 are fixedly embedded in the middle parts of the escape doors 23 respectively and are located at the rear sides of the steel meshes 24, and a pair of door bolt screws 26 are movably screwed in the first locking blocks 8 and the second locking blocks 9 respectively.
Preferably, the ventilation structure 2 is relatively switched through the alloy flange 22 on the ventilation pipe 21, and is switched and fixed through the first bolt 5 and the first nut 6.
Preferably, the ventilation structure 2 is movably clamped between the clamping arms 116 through the ventilation pipe 21, and the alloy flanges 22 at two ends of the ventilation pipe 21 are close to the left and right side walls of the upper plate 111 after being fixed.
The application method of the air supply device of the tunnel construction rescue capsule comprises the following steps:
after the ventilation structure 2 is installed in the protection structure 1, the ventilation structure can be spliced and connected with the first nut 6 by the alloy flange 22 on the ventilation pipe 21 by the first bolt 5, and two spliced ends are positioned outside a tunnel at one end and connected with the safety cabin at the other end; the spliced ventilation pipe 21 can be installed and clamped between the third bolts 7 and the clamping arms 116 to fix and suspend the position;
step (2), when collapse accident occurs, the falling rolling stones will fall onto the upper plate 111 in the protection unit 11 in the protection structure 1 at first; the upper plate 111 is lowered by the impact force, and the middle connecting rod 115 between the upper plate 111 and the lower plate 112 is pressed and buffered by the first spring 114 in the socket 113 mounted by the second bolt 4;
step (3), if the middle connecting rod 115 is compressed to reach the maximum stroke, the upper plate 111 is stressed to possibly cause a collapse state; the buffer unit 12 descends along with the buffer frame 121 and the ventilation pipe 21 are stressed, so that the buffer frame 121 is stressed reversely to compress the second spring 124, and meanwhile, the limiting rod 122 installed through the second nut 123 is stressed to penetrate through the telescopic hole 3 to extend out of the upper plate 111, so that the buffer protection is realized again, and the ventilation pipe 21 is suspended, so that the smashing force does not directly act on the ventilation pipe 21;
step (4), effectively supplying oxygen to the safety cabin through the ventilation pipe 21 connected in series; and personnel in the safety cabin can climb and escape by means of the ventilation pipe 21; the ventilation pipe 21 connected through may be disconnected due to different internal conditions after collapse; so that the evacuee can move according to the actual situation and then the corresponding escape door 23 escapes;
because the tunnel construction is longer, the ventilation pipes 21 connected in series are positioned at the outer end of the tunnel, and sufficient oxygen does not necessarily enter, so that oxygen can be supplied after passing through the filter screen 25; the air in the collapsed air is accompanied with dust, and can be effectively filtered by a filter screen 25 at the rear side of the steel mesh 24, so that people are prevented from inhaling and choking;
step (5), the first locking block 8 and the second locking block 9 are disconnected by rotating the bolt screw 26, so that the escape door 23 which is positioned between the upper plate 111 and the lower plate 112 and is shielded by the escape units 13 can be opened; after the escape door 23 is opened, the third nut 134 in the escape unit 13 positioned in the middle is rotated to be disassembled, so that the limiting screw rod 133 is pulled out, and the two ends of the protective railing 132 can be separated from the main seat 131 to be disassembled for climbing and escaping; the ventilation pipe 21 can also be used for enabling rescue workers and medical workers to enter the ventilation pipe in an intact state, and rescue can be carried out on wounded persons in an effective time.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a tunnel construction survival capsule's air supply device which characterized in that: the novel air conditioner comprises a protection structure (1) and a ventilation structure (2), wherein the ventilation structure (2) is detachably arranged in the protection structure (1), the ventilation structure (2) can be spliced relatively, and the ventilation structure (2) is fastened through a first bolt (5) and a first nut (6) after being spliced;
the protection structure (1) comprises a protection unit (11), two groups of buffer units (12) and a plurality of groups of escape units (13); wherein, the two groups of buffer units (12) are detachably arranged on the inner upper wall of the protection unit (11) and are respectively positioned at the middle parts of the left end and the right end symmetrically, and the escape units (13) are respectively and fixedly arranged in the front end and the rear end of the protection unit (11) at equal intervals;
the protection unit (11) comprises an upper plate (111), a lower plate (112), four pairs of sleeve pins (113), a plurality of first springs (114), two pairs of centering connecting rods (115) and two pairs of clamping arms (116);
the upper plate (111) is of a rectangular plate body structure, a pair of telescopic holes (3) are formed in the middle parts close to the left end and the right end of the upper plate (111), the lower plate (112) is identical to the upper plate (111), the lower plate (112) is movably arranged below the upper plate (111), one ends of four pairs of clamping arms (116) are detachably arranged at four corners of the lower wall of the upper plate (111) and four corners of the upper wall of the upper plate (111) respectively through second bolts (4), compression holes are formed in the middle parts of the opposite side walls of the four pairs of clamping arms (113), a plurality of first springs (114) are movably embedded in the compression holes of the clamping arms (113), the upper end and the lower end of each pair of centering connecting rods (115) are movably inserted in the compression holes respectively and cannot be separated from the clamping arms (113), one ends of each pair of clamping arms (116) are detachably arranged in the middle parts of the middle connecting rods (115) respectively through third bolts (7) and are symmetrically arranged at the front end and the rear end of each clamping arm (116), and the other ends of each pair of clamping arms are of arc-shaped structures;
the buffer unit (12) comprises a buffer frame (121), a pair of limiting rods (122), a pair of second nuts (123) and a pair of second springs (124);
the buffer frame (121) is of a concave structure, a rubber pad is arranged on the upper wall, the buffer frame (121) is movably arranged on the lower wall of the right end of the upper plate (111), embedded grooves are formed in the middle of the front end and the rear end of the upper wall of the buffer frame (121), one end of each limiting rod (122) is fixedly arranged in the middle of the lower wall of the embedded groove of the buffer frame (121), the other end of each limiting rod (122) is movably penetrated through a telescopic hole (3) of the upper plate (111), a pair of second nuts (123) are movably screwed on the other end of each limiting rod (122) and are positioned above the upper plate (111), a pair of second springs (124) are movably sleeved on the limiting rods (122), one ends of the second springs are movably inserted in the embedded grooves, and the other ends of the second springs are attached to the lower wall of the upper plate (111);
the escape units (13) are respectively and equidistantly arranged between the front end and the rear end of the upper plate (111) and the lower plate (112), one escape unit (13) is positioned in the middle of the upper wall of the lower plate (112), and each escape unit (13) comprises a pair of main seats (131), a protective railing (132), a pair of limit screws (133) and a pair of third nuts (134);
the pair of main seats (131) are respectively and fixedly arranged on opposite side walls of the upper plate (111) and the lower plate (112), a first lock hole is respectively and fixedly arranged on the side walls of the other ends of the main seats (131), the middles of the front side and the rear side of the first lock hole are respectively provided with a communicated lock groove, the two ends of the protective railing (132) are respectively and movably inserted into the other ends of the main seats (131), the middles of the two ends of the protective railing (132) are respectively and movably provided with a second lock hole corresponding to the first lock hole, one end of the limiting screw (133) respectively and movably penetrates through the first lock hole and the second lock hole, one end of the limiting screw (133) is matched with the shape of the first lock hole, and a pair of third nuts (134) are respectively and movably screwed on one end of the limiting screw (133);
the ventilation structure (2) comprises a ventilation pipe (21), a pair of alloy flanges (22), a pair of escape doors (23), a pair of steel nets (24), a pair of filter screens (25) and a pair of door bolt screws (26);
the utility model discloses a door bolt screw rod (26) is characterized by comprising a vent pipe (21), a pair of alloy flange (22), a pair of vent door (23), a pair of steel mesh (24), a pair of vent door (23), a pair of vent bolt screw rod (26), a pair of vent door bolt screw rod (8) and a pair of second lock piece (9), wherein the vent pipe (21) is a rubber body, the vent pipe (21) is all provided with the escape mouth in both sides wall middle part around the vent pipe (21), and the lower wall middle part all is provided with first lock piece (8) in the escape mouth, a pair of alloy flange (22) are fixed respectively and are set up on vent pipe (21) both ends, and a plurality of transfer holes have been seted up to alloy flange (22) equidistance, and one end of vent door (23) is settled respectively through the activity of folding paper on escape mouth one end, and escape door (23) bottom set up in second lock piece (9) that first lock piece (8) is corresponding, a pair of steel mesh (24) are fixed respectively to inlay in escape door (23) middle part front end, and a pair of filter screen (25) are fixed respectively and inlay in escape door (23) middle part.
2. The air supply device of a tunnel construction rescue capsule according to claim 1, wherein: the ventilation structure (2) is in relative switching through an alloy flange (22) on the ventilation pipe (21), and is in switching fixation through a first bolt (5) and a first nut (6).
3. The air supply device of a tunnel construction rescue capsule according to claim 2, wherein: the ventilation structure (2) is movably clamped between the clamping arms (116) through the ventilation pipe (21), and alloy flanges (22) at two ends of the ventilation pipe (21) are close to the left side wall and the right side wall of the upper plate (111) after being fixed.
4. A method of using an air supply device for a tunnel construction rescue capsule according to claim 3, wherein: the method comprises the following steps:
step one, the ventilation structure (2) can be assembled and used through the first bolt (5) and the first nut (6);
step two, the ventilation structure (2) can be fixed on one side of the construction tunnel through the protection structure (1), and the ventilation pipe (21) is effectively protected and shielded, so that accidents are prevented from damaging and breaking, and the oxygen supply of the safety cabin is prevented from being influenced;
step three, by effectively protecting the ventilation structure (2), personnel can safely transfer and escape by means of the ventilation pipe (21); and can be opened and accessed through the escape door (23) directly at the corresponding position according to the requirement.
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| CN117685042B (en) * | 2024-02-04 | 2024-04-30 | 江苏华诚自动化设备有限公司 | Automatic control device for oxygen supply of rescue capsule |
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