CN117905511A - Tunnel jet fan - Google Patents
Tunnel jet fan Download PDFInfo
- Publication number
- CN117905511A CN117905511A CN202410142748.9A CN202410142748A CN117905511A CN 117905511 A CN117905511 A CN 117905511A CN 202410142748 A CN202410142748 A CN 202410142748A CN 117905511 A CN117905511 A CN 117905511A
- Authority
- CN
- China
- Prior art keywords
- fan
- fan main
- slide rail
- tunnel
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 9
- 239000000112 cooling gas Substances 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 13
- 239000000779 smoke Substances 0.000 description 10
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel jet fan which comprises a fan main body and a sliding rail fixed on the inner wall of a tunnel, wherein the top of the fan main body is provided with a sliding part sliding on the sliding rail, the sliding rail is provided with an abutting part for limiting the fan main body, the side, close to the abutting part, of the fan main body is connected with a guy cable, the guy cable is connected with a winch at the bottom end of the sliding rail, opposite wall surfaces of the sliding rail are provided with guy cable guide grooves around the circumference of the inner wall of the tunnel, the guy cable is provided with a plurality of positioning parts, and both sides of the positioning parts are provided with sliding guide parts which are arranged in the guy cable guide grooves in a sliding way. The tunnel jet flow fan can conveniently avoid the passing of ultrahigh vehicles, is convenient to operate during overhauling and maintenance, has higher safety, and does not influence the passing of vehicles.
Description
Technical Field
The invention belongs to the technical field of jet fans, and particularly relates to a tunnel jet fan.
Background
The jet fan is a common induction fan and is commonly used for ventilation in public places, and the jet fan is used for carrying out relay air supply through a plurality of jet fans with certain intervals to induce air flow so as to realize ventilation in the public places. The ventilation mode that is used in the tunnel just adopts the jet fan to take a breath, and the jet fan in the current tunnel is generally fixed at the top of the central authorities of tunnel, influences the traffic to the superelevation vehicle, can not dodge the traffic of superelevation vehicle, and when need overhaul and maintain the jet fan in addition, need set up climbing frame in tunnel central authorities and hinder traffic, and the staff needs the operation of ascending a height moreover, and maintenance operation is inconvenient, and the security is relatively poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the tunnel jet fan which can conveniently avoid the passing of the ultrahigh vehicle, is convenient to operate during overhauling and maintenance, has higher safety and does not influence the passing of the vehicle.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a tunnel efflux fan, includes the fan main part and is fixed in the slide rail of tunnel inner wall, the fan main part top is provided with gliding sliding part on the slide rail, be provided with on the slide rail and be used for spacingly the fan main part support and lean on the piece, the fan main part is close to support and lean on a side to be connected with the cable, the cable with the hoist engine of slide rail bottom links to each other, be provided with the cable guide way around tunnel inner wall circumference on the wall that is relative on the slide rail, be provided with a plurality of setting elements on the cable, the setting element both sides all are provided with slip direction portion, slip direction portion slip set up in the cable guide way. According to the tunnel jet fan, the fan main body can be lifted to the top of the sliding rail through the winch for winding and unwinding the inhaul cable, so that the position of the fan main body on the sliding rail is changed, the ultrahigh vehicle is convenient to avoid, when overhauling and maintaining are carried out, the fan main body can slide to the ground along the sliding rail through the winch for unwinding the inhaul cable, overhauling or replacing can be carried out on the ground, and after overhauling or replacing is finished, the fan main body is lifted by winding and unwinding the inhaul cable through the winch, so that the operation is convenient, and the safety is higher; and the stay cable is pressed close to the slide rail or is located the within range of slide rail by the restriction of setting element, and after the fan main part slipped to ground, the stay cable can not form the bowstring form that influences the vehicle and pass, does not influence the vehicle and passes to the setting element is located on the stay cable along with the stay cable removes, can not form the stopper to the fan main part, can not influence the fan main part and remove on the slide rail.
In the above technical scheme, preferably, the fan main body comprises two fixedly connected air cylinders, and the top parts of the air cylinders are respectively provided with the sliding parts. The structure is adopted to enable the fan main body to be more stable on the sliding rail and not easy to shake.
In the above technical scheme, preferably, the abutting part comprises a shell, two guide rings are arranged in the shell, a movable rod is arranged in the guide rings in a penetrating manner, one end of the movable rod is provided with an abutting block, the other end of the movable rod is provided with a limiting part, a spring is arranged between the abutting block and the guide rings, a limiting ring used for limiting the abutting block is arranged in the shell, the top of the sliding rail is arc-shaped, and when the fan main body abuts against the abutting block and the abutting block compresses the spring until the abutting block abuts against the limiting ring, two air cylinders are positioned on two sides of the top of the sliding rail and are equidistant from the top of the sliding rail. After the structure is adopted to enable the fan body to slide to the top of the sliding rail and contact with the leaning piece, the lateral forces of the two air cylinders can be almost balanced, so that the stress of the inhaul cable is reduced, the inhaul cable almost only needs to overcome the elastic force of the spring, the inhaul cable is not easy to break, when the winch releases the inhaul cable, the elastic force of the spring enables the fan body to deviate from the balance position, and the fan body can slide down along the sliding rail under the action of self gravity.
In the above technical scheme, preferably, a feedback switch is disposed in the housing, the feedback switch is electrically connected with the winch, and when the abutting block abuts against the limiting ring, the end of the movable rod abuts against the feedback switch. By adopting the structure, when the propping block is propped against the limiting ring, the feedback switch sends out an electric signal to the winch, so that the motor of the winch is controlled to stop, and the control of the winch is facilitated.
Among the above-mentioned technical scheme, specifically, the sliding part includes the edge the radial extension pole that extends of dryer of fan main part, the relative both sides of extension pole are provided with the locating shaft, two all rotate on the locating shaft and be provided with the gyro wheel, the slide rail bottom is provided with the confession the opening that the extension pole penetrated, open-ended lateral wall is provided with the extension groove to both sides, extension groove bottom is provided with spacing spout, two the gyro wheel rolls respectively and sets up in two in the spacing spout. The friction force is reduced by the sliding of the roller in the chute, and the roller is not easy to separate from the chute by the structure.
In the above technical scheme, preferably, be provided with the cooling gas passageway on the slide rail, the cooling gas passageway with keep apart through two elastic rubber sheets between the opening, the fan main part includes the dryer, be provided with air inlet side confined motor installation section of thick bamboo in the dryer, be provided with the motor in the motor installation section of thick bamboo, motor installation section of thick bamboo lateral wall is connected with the air-supply line, the air-supply line passes the dryer is followed two elastic rubber sheet's clearance inserts in the cooling gas passageway, the cooling gas passageway is in the both ends of slide rail are equipped with the air inlet. When smoke is discharged when a fire disaster occurs in the tunnel and the smoke is required to be discharged, the service life of the motor is reduced and even burnt out due to the fact that high-temperature smoke is accumulated at the top of the tunnel and the exterior of the motor of the fan main body is covered by the high-temperature smoke in the smoke discharging process; the structure is adopted to enable the operation of the fan to inhale from the air inlet pipe so as to cool the motor, the air entering from the air inlet pipe is air with lower temperature close to the ground from the two ends of the sliding rail, the cooling effect is better, the sliding of the fan main body on the rail is not affected, the fan main body is arranged at any position on the rail, the air inlet pipe can be tightly elastically wrapped by elastic films on the two sides of the air inlet pipe, and the air inlet pipe has good sealing performance.
Compared with the prior art, the invention has the following beneficial effects: according to the tunnel jet fan, the fan main body can be lifted to the top of the sliding rail through the winch for winding and unwinding the inhaul cable, so that the position of the fan main body on the sliding rail is changed, the ultrahigh vehicle is convenient to avoid, when overhauling and maintaining are carried out, the fan main body can slide to the ground along the sliding rail through the winch for unwinding the inhaul cable, overhauling or replacing can be carried out on the ground, and after overhauling or replacing is finished, the fan main body is lifted by winding and unwinding the inhaul cable through the winch, so that the operation is convenient, and the safety is higher; and the stay cable is pressed close to the slide rail or is located the within range of slide rail by the restriction of setting element, and after the fan main part slipped to ground, the stay cable can not form the bowstring form that influences the vehicle and pass, does not influence the vehicle and passes to the setting element is located on the stay cable along with the stay cable removes, can not form the stopper to the fan main part, can not influence the fan main part and remove on the slide rail.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic cross-sectional view of embodiment 1 of the present invention.
Fig. 3 is a partial enlarged view of fig. 2.
Fig. 4 is a schematic structural diagram of an abutment in embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of a cable connected to a positioning member in embodiment 1 of the present invention.
Fig. 6 is a schematic structural diagram of a fan body according to embodiment 1 of the present invention.
Fig. 7 is a schematic cross-sectional view of a blower body according to embodiment 1 of the present invention.
Fig. 8 is a schematic view of a longitudinal partial sectional structure of a fan body and a slide rail connection according to embodiment 1 of the present invention.
Fig. 9 is a schematic diagram of a cable arrangement in embodiment 1 of the present invention.
Fig. 10 is a schematic cross-sectional structure of a sliding rail in embodiment 1 of the present invention.
Fig. 11 is a schematic diagram of a cable arrangement in embodiment 2 of the present invention.
Fig. 12 is a schematic cross-sectional view of a sliding rail according to embodiment 2 of the present invention.
Fig. 13 is a schematic defect diagram of the embodiment 1 or 2 of the present invention, in which the positioning member sliding in the cable guide groove is not provided on the cable, and the stop lever is provided only on the side of the fan main body not sliding.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 10, a tunnel jet fan comprises a fan main body 2 and a sliding rail 1 fixed on the inner wall of a tunnel through embedding, wherein the sliding rail 1 is made of steel by bending according to the shape of the inner wall of the tunnel, a sliding part 3 sliding on the sliding rail 1 is arranged at the top of the fan main body 2, a supporting piece 4 for limiting the fan main body 2 is arranged on the sliding rail 1, a guy cable 5 is connected to the fan main body 2 near the supporting piece 4 side, the guy cable 5 is connected with a winch 6 at the bottom end of the sliding rail 1, guy cable guide grooves 7 around the circumference of the inner wall of the tunnel are arranged on opposite wall surfaces of the sliding rail 1, a plurality of positioning pieces 8 are arranged on the guy cable 5, sliding guide parts 81 are arranged on two sides of the positioning pieces 8, and the sliding guide parts 81 are arranged in the guy cable guide grooves 7 in a sliding mode. According to the tunnel jet fan, the fan main body 2 can be lifted to the top of the sliding rail 1 through the winch 6 for receiving the inhaul cable 5, the position of the fan main body 2 on the sliding rail 1 can be changed through the winch 6 for receiving the inhaul cable 5, ultrahigh vehicles can be conveniently avoided to pass, when overhauling and maintaining, the fan main body 2 can slide to the ground along the sliding rail 1 through the winch 6 for receiving the inhaul cable 5, overhauling or replacing can be carried out on the ground, and after overhauling or replacing is finished, the fan main body 2 is lifted by the winch 6 for receiving the inhaul cable 5, so that the operation is convenient, and the safety is higher; and the stay cable 5 is pressed close to the slide rail 1 or is located the within range of slide rail 1 by the restriction of setting element 8, after the fan main part 2 landing to ground, the stay cable 5 can not form the bowstring form that influences the vehicle and pass as shown in fig. 13, does not influence the vehicle and pass to the setting element 8 is located on the stay cable 5 along with the stay cable 5 removes, can not form the jam to the fan main part 2, can not influence the fan main part 2 and remove on slide rail 1.
In this embodiment, the positioning member 8 is fastened to the cable by wrapping and fastening, the sliding guide portion 81 is an extension portion extending from two sides of the positioning member 8, a sphere with a diameter larger than that of the extension portion is provided at an end of the extension portion, an opening side of the cable guiding groove 7 is matched with the extension portion in size, a slide way matched with the sphere is provided at a bottom of the cable guiding groove, and the sphere is limited to slide in the slide way.
In this embodiment, fan main body 2 includes two fixed connection's dryer 9, and dryer 9 top all is provided with sliding part 3. The two air cylinders 9 laterally extend out of the connecting arms, connecting discs are arranged at the end parts of the connecting arms, and the connecting discs are fastened through bolts. The structure is adopted to enable the fan main body 2 to be more stable on the sliding rail 1 and not easy to shake.
In this embodiment, the abutting part 4 includes a housing 41, two guide rings 42 are disposed in the housing 41, a movable rod 43 is disposed in the two guide rings 42 in a penetrating manner, an abutting block 44 is disposed at one end of the movable rod 43, a limiting member 45 is disposed at the other end of the movable rod 43, a spring 46 is disposed between the abutting block 44 and the guide rings 42, a limiting ring 47 for limiting the abutting block 44 is disposed in the housing 41, the top of the sliding rail 1 is arc-shaped, and when the fan main body 2 abuts against the abutting block 44 and the abutting block 44 compresses the spring 46 until the abutting block 44 abuts against the limiting ring 47, the two air cylinders 9 are located at two sides of the top of the sliding rail 1, and the two air cylinders 9 are equidistant from the top of the sliding rail 1. After the structure is adopted to enable the fan body 2 to slide to the top of the sliding rail 1 and contact with the leaning piece 4, the lateral forces of the two air cylinders 9 can be almost balanced, so that the stress of the inhaul cable 5 is reduced, the inhaul cable 5 almost only needs to overcome the elastic force of the spring 46, the inhaul cable 5 is not easy to break, when the winch 6 releases the inhaul cable 5, the elastic force of the spring 46 enables the fan body 2 to be separated from the balance position, and the fan body 2 can slide down along the sliding rail 1 under the action of self gravity.
In this embodiment, a feedback switch 48 is disposed in the housing 41, the feedback switch 48 is electrically connected to the hoist 6, and when the abutment block 44 abuts against the stop collar 47, the end of the movable rod 43 abuts against the feedback switch 48. By adopting the structure, when the abutting block 44 abuts against the limiting ring 47, the feedback switch 48 can send out an electric signal to the winch 6, so that the motor of the winch 6 is controlled to stop, and the control of the winch 6 is facilitated.
In this embodiment, the sliding portion 3 includes an extension rod 31 extending radially along the wind barrel 9 of the fan main body 2, two opposite sides of the extension rod 31 are provided with positioning shafts 32, rollers 33 are rotatably disposed on the two positioning shafts 32, an opening 11 through which the extension rod 31 penetrates is disposed at the bottom of the sliding rail 1, an extension groove 12 is disposed on the side wall of the opening 11 toward two sides, a limiting chute 13 is disposed at the bottom of the extension groove 12, and the two rollers 33 are respectively disposed in the two limiting chutes 13 in a rolling manner. The sliding of the roller 33 in the chute 13 reduces friction, and the structure is not easy to disengage the roller 33 from the chute 13.
When smoke is discharged when a fire disaster occurs in the tunnel and the smoke is required to be discharged, the service life of the motor is reduced and even burnt out due to the fact that high-temperature smoke is accumulated at the top of the tunnel and the exterior of the motor of the fan main body 2 is covered by the high-temperature smoke in the smoke discharging process; in this embodiment, a cooling air channel 14 is disposed on the sliding rail 1, the cooling air channel 14 is isolated from the opening 11 by two elastic rubber sheets 15, the fan main body 2 includes an air duct 9, an air inlet side-closed motor mounting cylinder 91 is disposed in the air duct 9, a motor (not shown in the figure) is disposed in the motor mounting cylinder 91, the side wall of the motor mounting cylinder 91 is connected with an air inlet pipe 92, the air inlet pipe 92 penetrates through the air duct 9 and is inserted into the cooling air channel 14 from the gap between the two elastic rubber sheets 15, and the cooling air channel 14 is provided with air inlets 16 at two ends of the sliding rail 1. The adoption of the structure makes the operation of the fan inhale from the air inlet pipe 92 to cool the motor, the air entering from the air inlet pipe 92 is the air with lower temperature approaching to the ground from the two ends of the sliding rail, the cooling effect is better, the sliding of the fan main body 2 on the track 1 is not influenced, the fan main body 2 is arranged at any position on the track 1, the air inlet pipe 92 can be tightly elastically wrapped by the elastic films 15 at the two sides of the air inlet pipe, and the air inlet pipe has better sealing performance.
At least a jet flow fan main impeller is arranged on a motor shaft of a motor in the fan main body 2, and a cooling impeller which is positioned in a motor mounting cylinder 91 and sucks air from the cooling air channel 14 can be arranged on the motor shaft to further improve the cooling effect of the motor.
In this embodiment, the falling side of the fan body 2 and the installation position of the winding engine 6 are on the same side of the slide rail 1, transition wheels are arranged on the opposite sides of the installation position of the winding engine 6, the guy cable 5 bypasses the transition wheels and is connected to the winding engine 6 from the air inlet 16 of the cooling air channel 14 in a return manner, and the side wall of the cooling air channel 14 is also provided with a guy cable guide groove 7 opposite to the side wall.
Referring to fig. 11 to 12, embodiment 2 differs from embodiment 1 only in that: the falling side of the fan main body 2 and the installation position of the winch 6 are arranged on the opposite side of the sliding rail 1, a guy rope guide groove 7 is not required to be arranged in the cooling air channel 14, and the guy rope 5 does not pass through the cooling air channel 14.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The utility model provides a tunnel efflux fan which characterized in that: including fan main part (2) and be fixed in slide rail (1) of tunnel inner wall, fan main part (2) top is provided with gliding sliding part (3) on slide rail (1), be provided with on slide rail (1) and be used for spacing support piece (4) of fan main part (2), fan main part (2) are close to support and lean on piece (4) side to be connected with cable (5), cable (5) with hoist engine (6) of slide rail (1) bottom link to each other, be provided with cable guide groove (7) around tunnel inner wall circumference on the wall that is relative on slide rail (1), be provided with a plurality of setting element (8) on cable (5), setting element (8) both sides all are provided with slip guide part (81), slip guide part (81) slide set up in cable guide groove (7).
2. A tunnel jet fan as claimed in claim 1, wherein: the fan main body (2) comprises two fixedly connected air cylinders (9), and sliding parts (3) are arranged at the tops of the air cylinders (9).
3. A tunnel jet fan as claimed in claim 2, wherein: the utility model provides a fan, including support piece (4), support piece (4) including casing (41), be provided with two guide ring (42) in casing (41), two wear to be equipped with movable rod (43) in guide ring (42), movable rod (43) one end is provided with supports and leans on piece (44), the movable rod (43) other end is equipped with locating part (45), support and lean on piece (44) with be provided with spring (46) between guide ring (42), be provided with in casing (41) and be used for spacing support spacing collar (47) of piece (44), slide rail (1) top is the arc, works as fan main part (2) with support and lean on piece (44) and support piece (44) compression spring (46) to support when leaning on piece (44) with spacing collar (47) offsets, two dryer (9) are located the both sides at slide rail (1) top, and two dryer (9) with the top equidistance of slide rail (1).
4. A tunnel jet fan as claimed in claim 3, wherein: a feedback switch (48) is arranged in the shell (41), the feedback switch (48) is electrically connected with the winch (6), and when the abutting block (44) abuts against the limiting ring (47), the end part of the movable rod (43) abuts against the feedback switch (48).
5. A tunnel jet fan as claimed in claim 1, wherein: the sliding part (3) comprises an extension rod (31) extending radially along an air duct (9) of the fan main body (2), positioning shafts (32) are arranged on two opposite sides of the extension rod (31), rollers (33) are arranged on the positioning shafts (32) in a rotating mode, an opening (11) for the extension rod (31) to penetrate through is formed in the bottom of the sliding rail (1), extension grooves (12) are formed in the side walls of the opening (11) towards two sides, limiting sliding grooves (13) are formed in the bottoms of the extension grooves (12), and the rollers (33) are arranged in the limiting sliding grooves (13) in a rolling mode respectively.
6. A tunnel jet fan as claimed in claim 5, wherein: be provided with cooling gas passageway (14) on slide rail (1), cooling gas passageway (14) with keep apart through two elastic rubber piece (15) between opening (11), fan main part (2) are including dryer (9), be provided with air inlet side confined motor installation section of thick bamboo (91) in dryer (9), be provided with the motor in motor installation section of thick bamboo (91), motor installation section of thick bamboo (91) lateral wall is connected with air-supply line (92), air-supply line (92) pass dryer (9) follow two clearance of elastic rubber piece (15) inserts in cooling gas passageway (14), cooling gas passageway (14) are in the both ends of slide rail (1) are equipped with air inlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410142748.9A CN117905511B (en) | 2024-02-01 | 2024-02-01 | Tunnel jet fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410142748.9A CN117905511B (en) | 2024-02-01 | 2024-02-01 | Tunnel jet fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117905511A true CN117905511A (en) | 2024-04-19 |
| CN117905511B CN117905511B (en) | 2024-09-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410142748.9A Active CN117905511B (en) | 2024-02-01 | 2024-02-01 | Tunnel jet fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117905511B (en) |
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| CN208918573U (en) * | 2018-09-12 | 2019-05-31 | 王芸 | A kind of tunnel ventilation air exhausting device |
| CN209119778U (en) * | 2018-10-12 | 2019-07-16 | 内蒙古伊泰京粤酸刺沟矿业有限责任公司 | A kind of cable dragging draw off gear and tunnelling machine |
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| EP3654476A2 (en) * | 2018-11-19 | 2020-05-20 | Innogy SE | Pre-fabricated concrete component and charging system |
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| CN212740542U (en) * | 2020-07-15 | 2021-03-19 | 北京希优照明设备有限公司 | Limiting device for lifting lamp |
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| CN112897376A (en) * | 2021-01-28 | 2021-06-04 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Stop device for electric block that operation is stable |
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| CN215566055U (en) * | 2021-07-20 | 2022-01-18 | 安晓福 | Tunnel ventilation purification device |
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| CN115573950A (en) * | 2022-09-05 | 2023-01-06 | 无锡宜友机电制造有限公司 | Noise reduction device and method for air suspension fan |
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