CN110043306A - A kind of tunnel blower for constructing tunnel - Google Patents
A kind of tunnel blower for constructing tunnel Download PDFInfo
- Publication number
- CN110043306A CN110043306A CN201910435522.7A CN201910435522A CN110043306A CN 110043306 A CN110043306 A CN 110043306A CN 201910435522 A CN201910435522 A CN 201910435522A CN 110043306 A CN110043306 A CN 110043306A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- cylinder
- inner cylinder
- duct
- fixedly connected
- 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
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 241000883990 Flabellum Species 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000030279 gene silencing Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
Abstract
The invention discloses a kind of tunnel blowers for constructing tunnel, including pedestal cylinder, the left and right ends of pedestal cylinder are connected with guide duct and duct set, the tapered inclined-plane setting of the inner sidewall of guide duct and duct set, the inside of pedestal cylinder is socketed with inner cylinder, multiple faggings are fixedly connected on the lateral wall of inner cylinder, the right end of inner cylinder is fixedly connected with deflection cone, and the right end of deflection cone runs through dust cover and extends to the inside of duct set, the junction of deflection cone and inner cylinder is provided with multiple air holes, motor is fixedly installed in inner cylinder, multiple flabellums are fixedly connected on the output shaft of motor, and flabellum outer is equipped with a circle sound-absorbing structure.The present invention can be flowed by gas after entering the device along deflection cone, reduce resistance when motor circulates to gas, it flows through gas quickly between pedestal cylinder and inner cylinder, and pressure head and flow velocity is improved by contorted water conservancy diversion line auxiliary, improve the working efficiency of the device.
Description
Technical field
The present invention relates to tunnel ventilation technical field, specially a kind of tunnel blower for constructing tunnel.
Background technique
When building tunnel, since tunnel is the relatively closed environment that only both ends are connected with the external world, and
Some tunnels are longer, and the gas in tunnel exchanges extremely important with the external world；And excavation can generate a large amount of powder when building tunnel
Dirt, dust can be swum in gas, and polluted gas not only influences normal construction progress, also be made to the health for excavating worker
At detrimental effect；Traditional blower is usually only to blow gas outward by the rotation of flabellum, since motor is located at blower
Medium position, and the rear end of motor is plane, so that the rear end of motor is caused certain resistance to gas circulation, causes blower
Working efficiency it is lower；And when blower is installed now, hang generally by fixed mounting rack in tunnel top, for wind
The depth of parallelism of machine is unadjustable (working condition is best when blower is parallel with tunnel), so that the ventilation effect of blower is reduced, because
We have proposed a kind of tunnel blowers for constructing tunnel for this.
Summary of the invention
The purpose of the present invention is to provide a kind of tunnel blowers for constructing tunnel, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of tunnel blower for constructing tunnel, including
Pedestal cylinder, the left and right ends of the pedestal cylinder are connected with guide duct and duct set, the guide duct and duct set it is interior
The tapered inclined-plane of side wall is arranged, and water pipe is fixedly connected on the side wall of guide duct, and the inner end of the water pipe is fixedly connected with spraying
Head, and the junction of duct set and pedestal cylinder is connected with dust cover, the inside of the pedestal cylinder is socketed with inner cylinder, the inner cylinder
Multiple faggings are fixedly connected on lateral wall, the right end of the inner cylinder is fixedly connected with deflection cone, and the right end of deflection cone runs through
The junction of dust cover and the inside for extending to duct set, the deflection cone and inner cylinder is provided with multiple air holes, the inner cylinder
Inside is fixedly installed with motor, and multiple flabellums are fixedly connected on the output shaft of the motor；
Preferably, annular groove is provided on the lateral wall of the pedestal cylinder, the inside fixing sleeve of the annular groove is connected to hoop, described
The upper end of hoop is rotatably connected to fixed block, and the fixed block is fixedly connected by expansion bolt with the top sidewall in tunnel.
Preferably, loop bar is fixedly connected in the right sidewall of the fixed block, the inside engagement of the loop bar is connected with
Stud, rotation is socketed with ring block on the side wall of the stud, and the lower end of the ring block is rotatably connected to connecting rod, under the connecting rod
End is rotatably connected to strap, and the strap is fixedly welded on the lateral wall of duct set, and the ring block and stud pass through fixation
Screw screws.
Preferably, the conical taper of the guide duct inner sidewall is between 2-5 °, the conical taper of the inner sidewall of duct set
Between 10-15 °.
Preferably, the junction of the deflection cone and inner cylinder is provided with multiple air holes, and the inner cylinder is equipped with by its inner wall
Multiple horizontal stripes be connected to motor.
Preferably, the lateral wall of the inner sidewall of the guide duct and deflection cone is equipped with contorted water conservancy diversion line.
Preferably, the silencing groove of a loop is equipped in the guide duct close to the ring wall of flabellum, the silencing groove
Three face cell walls are connected with multiple wing plates, and wrap up one layer of asbestos by aluminium sheet outside the silencing groove.
Preferably, by articulated shaft flexible connection, there are two semicircular closing cap, the collection for the end of the guide duct
Air hose has been bolted to connection protective net far from one end of pedestal cylinder.
Compared with prior art, the beneficial effects of the present invention are: fog-spray nozzle is towards left end when the present invention is worked by flabellum
The inside of silencer is sprayed water, and the blowout device that the water sprayed can continue, and then increases the gas humidity of tunnel internal,
To reduce the dust in tunnel, the air of tunnel internal is made to become completely to be conducive to build working environment with fresh air,
It ensure that being normally carried out for construction；Gas can flow after entering the device along deflection cone, caused by reducing gas circulation turbulent flow
Resistance flows through gas quickly between pedestal cylinder and inner cylinder, improves the working efficiency of the device, and guide duct
The contorted water conservancy diversion line being arranged on inner sidewall makes to reduce wind with spin so as to transmit farther distance by air-flow discharge
The installation of machine, reduces cost；And after the device is fixed on tunnel top by fixed block, rotation stud makes connecting rod occur to turn
Dynamic, the lower end of connecting rod generates the active force for hauling or pressing against downwards upwards to guide duct, makes the device around hoop and fixed block
Turning point rotation, then play adjust the device levelness, then improve the working efficiency of the device, in addition to this also set up
Noise-reducing structure reduces the noise in work progress.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the cross-sectional view at pedestal cylinder of the invention, guide duct, inner cylinder and deflection cone；
Fig. 3 is the cross-sectional view at pedestal cylinder of the invention, inner cylinder and deflection cone；
Fig. 4 is the explosive view at pedestal cylinder of the invention, duct set and inner cylinder；
Fig. 5 is the cross-sectional view at pedestal cylinder of the invention, inner cylinder, motor and duct set；
Fig. 6 is the cross-sectional view at duct set of the invention；
Fig. 7 is the explosive view at hoop of the invention, fixed block and pedestal cylinder；
Fig. 8 is the explosive view of stud of the invention and ring block；
Fig. 9 is the portion the A enlarged drawing of Fig. 2 of the invention.
In figure: 1, pedestal cylinder, 2, guide duct, 3, inner cylinder, 4, fagging, 5, deflection cone, 6, air hole, 7, motor, 8, flabellum,
9, dust cover, 10, water pipe, 11, fog-spray nozzle, 12, protective net, 13, annular groove, 14, hoop, 15, fixed block, 16, loop bar, 17, spiral shell
Column, 18, ring block, 19, connecting rod, 20, strap, 21, duct set, 22, water conservancy diversion line, 23, wing plate, 24, aluminium sheet, 25, asbestos, 26, envelope
Close lid, 27, silencing groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-9 is please referred to, the present invention provides a kind of technical solution: a kind of tunnel blower for constructing tunnel, including base
Seat cylinder 1, guide duct 2 and duct set 21, guide duct 2 and duct set has been bolted in the left and right ends of the pedestal cylinder 1
21 inner sidewall tapered inclined-plane setting, the conical taper of the inner sidewall of duct set 21 is between 10-15 °, i.e. duct set 21
Inner hole both ends diameters is different, and in horn-like, one end internal diameter close to pedestal cylinder 1 is smaller, one end diameter far from pedestal cylinder 1 compared with
Greatly, when gas enters from right side duct set 21, entered by one end for being relatively large in diameter of duct set 21, when gas is from duct set 21
When right end flows to left end, space is gradually reduced, therefore can accelerate the velocity of liquid assets of air, increases pressure head, so that the device be made to blow
Gas out is farther, and ventilatory effect is more significant,
And the conical taper of 2 inner sidewall of guide duct is between 2-5 °, and left end is only somewhat larger to be conducive to spray fastly
After mist head 11 sprays water, the water being partially attached on 2 inner sidewall of left end guide duct can be flowed out along the inner chamfer of guide duct 2,
To prevent water product in the inside of the device, water pipe 10, the other end of water pipe 10 are fixedly connected on the side wall of guide duct 2
Extraneous water pump is connected, the inner end of the water pipe 10 is fixedly connected with fog-spray nozzle 11, and the water that fog-spray nozzle 11 sprays, can in atomization shape
To float in air, after blowing to tunnel internal by flabellum 8, the inside in tunnel is swum in, increases the humidity in tunnel, then
The dust for reducing tunnel internal plays the role of purifying tunnel gas, and the junction of right end duct set 21 and pedestal cylinder 1 is clamped
There is dust cover 9, duct set 21 as shown in Figure 4 is equipped with a circle flange close to the inside of pedestal cylinder 1, and dust cover 9 is by a circle flange card
It is firmly mounted on inside duct set 21, dust cover 9 is used to filter the device of dust, and dust is avoided to enter pedestal cylinder 1 with gas
It is attached to behind inside on flabellum 8, in addition the inner sidewall of guide duct 2 is equipped with contorted water conservancy diversion line 22, has the air-flow of blowout
The form of screw can make the installation of the farther reduction blower of airflow, reduce cost.
The inside of the pedestal cylinder 1 is socketed with inner cylinder 3, and multiple faggings 4 are fixedly connected on the lateral wall of the inner cylinder 3,
What inner cylinder 3 and fagging 4 can be integrally formed or be bolted, inner cylinder 3 is supportted by fagging 4 at the center of pedestal cylinder 1
Position then makes there are the channel for making gas circulate between inner cylinder 3 and pedestal cylinder 1, and the right end of the inner cylinder 3, which is fixedly connected with, leads
Flow cone 5, and the right end of deflection cone 5 runs through dust cover 9 and extends to the inside of duct set 21, the fixed peace in the inside of the inner cylinder 2
Equipped with motor 7, multiple flabellums 8 are fixedly connected on the output shaft of the motor 7, flabellum 8 makes the gas in pedestal cylinder 1 after rotating
Flowing, the device will suck gas from right end, gas be discharged from left end, to realize the effect of ventilation.
Since the center that motor 7 is mounted on pedestal cylinder 1 can occupy the volume of a part, air-flow is from the right side of duct set 21
End, which is directly entered, hits motor 7 and will form flow-disturbing, turbulent flow to reduce air velocity and pressure head, reducing effect, and gas is from right end
Along 5 surface flow of deflection cone after into the device, gas is then made quickly to circulate between pedestal cylinder 1 and inner cylinder 3, and
Contorted water conservancy diversion line 22 also is provided on the lateral wall of deflection cone 5 has air flowing from swirl effect, can effectively improve pressure head, mention
The kinetic energy of high gas flow.
Specifically, being provided with annular groove 13 on the lateral wall of the pedestal cylinder 1, the inside fixing sleeve of the annular groove 13 is connected to ring
Hoop 14, inside diameter when hoop 14 is closed are adapted with the diameter of annular groove 13, and the lower end of hoop 14 is equipped with opening, hoop 14
Two sides can be turned out opening from opening, and opening is equipped with bolt and fixes the closure of hoop 14, the hoop 14 it is upper
End is rotatably connected to fixed block 15, and the fixed block 15 is fixedly connected by expansion bolt with the top sidewall in tunnel, when installation,
Fixed block 15 is fixedly connected in the top sidewall in tunnel by expansion bolt first, when pedestal cylinder 1 is fixed, hoop
14 two sides turn on, and after the top half of hoop 14 is in the inside of annular groove 13, the lower end of hoop 14 are closed and uses bolt
It fixes, then pedestal cylinder 1 is lifted on the top in tunnel.
In addition loop bar 16 is fixedly connected in the right sidewall of the fixed block 15, connection is engaged in the inside of the loop bar 16
There is stud 17, rotation is socketed with ring block 18 on the side wall of the stud 17, and the lower end of the ring block 18 is rotatably connected to connecting rod 19,
Stud 17, can be mobile with ring block 18 in rotation, and when moving, the angle of connecting rod 19 can change ring block 18, due to ring
The height of block 18 is constant, therefore the lower end of connecting rod 19 becomes and can be raised and lowered, and the lower end of the connecting rod 19 is rotatably connected to strap
20, the strap 20 is fixedly welded on the lateral wall of duct set 21, and rotation stud 17 makes connecting rod 19 rotate, connecting rod 19
Lower end generates the active force for hauling or pressing against downwards upwards to guide duct 2, makes the device around turn of hoop 14 and fixed block 15
Point rotation, then by the device be adjusted to tunnel level, and the ring block 18 is screwed with stud 17 by fixing screws, is prevented
It loosens.
Specifically, the junction of the deflection cone 5 and inner cylinder 3 is provided with multiple air holes 6, the inner cylinder 3 passes through in it
Multiple horizontal stripes that wall is equipped with are connect with motor 7, make between motor 7 and the inner wall of inner cylinder 3 that there are gaps as shown in Figure 5, thus meeting
There is least a portion of air-flow to flow through from this and play heat dissipation effect, in addition air hole 6 is opened in the left end of dust cover 9, ensure that in entrance
The spatter property of gas inside cylinder 3.
In addition the lateral wall of the inner cylinder 3 is in the concavo-convex setting of marshalling, since the work of motor 7 can generate largely
Heat, the temperature inside inner cylinder 3 will increase, and since the side wall of inner cylinder 3 is uneven, increase lateral wall and the circulation of inner cylinder 3
The gas of the contact of gas, circulation will take away the heat of inner cylinder 3, and the heat inside inner cylinder 3 will in this way dispersed more
It is rapid, be quickly cooled down the temperature inside inner cylinder 3, then increase the service life of motor 7.
Specifically, the main noise source of the present apparatus is in the position of flabellum 8 and air flow contacts, so in the guide duct 2
The ring wall of interior close flabellum 8 is equipped with the silencing groove 27 of a loop, and three face cell walls of the silencing groove 27 are connected with multiple wings
Plate 23, multiple wing plates 23 form bigger surface area, can play attraction effect, and one layer of stone is wrapped up outside the silencing groove 27
Cotton 25 further decreases noise, and carries out closing fixed installation by aluminium sheet 24.
In addition to prevent sundries from entering the present apparatus, there are two the end of the guide duct 2 is flexibly connected by articulated shaft
Semicircular closing cap 26, can by articulated shaft install steering engine then by cable connection carry out outside control, when open this
Closing cap is opened when device again, the guide duct 2 has been bolted to connection protective net 12 far from one end of pedestal cylinder 1, prevents
Protective net 12 covers on the outer end of two guide ducts 2, prevents foreign matter from entering the inside of the device.
Guide duct 2 and duct set 21: when installation, the both ends of pedestal cylinder 1 are fixedly connected on by bolt by working principle, first
Fixed block 15 is fixedly connected in the top sidewall in tunnel by expansion bolt, is then fixed pedestal cylinder 1 with hoop 14,
And stud 17 is screwed to the inside of loop bar 16, so that connecting rod 19 is rotated by rotating stud 17, the lower end of connecting rod 19 is to leading
Air hose 2 generates the active force for hauling or pressing against downwards upwards, rotates the device around the turning point of hoop 14 and fixed block 15, after
And the device is adjusted to after tunnel level, which installs；In use, motor 7 is started, flabellum 8 is made to occur to turn
Dynamic, such gas can flow after the entrance of the right end of the device along deflection cone 5, and gas can be fast between pedestal cylinder 1 and inner cylinder 3
The circulation of speed, and tunnel face is quickly blowed to from left end, realize the circulation of air；And flabellum 8, when working, fog-spray nozzle 11 is towards left end
The inside of silencer 2 is sprayed water, and the water sprayed can blow out the device by flabellum 8, then increase the air humidity of tunnel internal
Add, to reduce the dust floated in tunnel, is conducive to being normally carried out for construction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of tunnel blower for constructing tunnel, including pedestal cylinder (1), it is characterised in that: the left and right of the pedestal cylinder (1)
Both ends are connected separately with guide duct (2) and duct set (21), and the inner sidewall of the guide duct (2) and duct set (21) is tapered tiltedly
Face is arranged, and is fixedly connected with water pipe (10) on the side wall of guide duct (2), the inner end of the water pipe (10) is fixedly connected with fog-spray nozzle
(11), and the junction of duct set (21) and pedestal cylinder (1) is connected with dust cover (9), and the inside of the pedestal cylinder (1) is socketed with
Inner cylinder (3) is fixedly connected with multiple faggings (4) on the lateral wall of the inner cylinder (3), and the right end of the inner cylinder (3) is fixedly connected
Have deflection cone (5), and the right end of deflection cone (5) runs through dust cover (9) and extends to the inside of duct set (21), the inner cylinder
(3) inside is fixedly installed with motor (7), is fixedly connected with multiple flabellums (8) on the output shaft of the motor (7)；
It is provided with annular groove (13) on the lateral wall of the pedestal cylinder (1), the inside of the annular groove (13) is socketed with hoop (14), described
The upper end of hoop (14) is rotatably connected to fixed block (15), and the fixed block (15) passes through the top sidewall of expansion bolt and tunnel
It is fixedly connected.
2. a kind of tunnel blower for constructing tunnel according to claim 1, it is characterised in that: the fixed block (15)
Right sidewall on be fixedly connected with loop bar (16), the engagement of the inside of the loop bar (16) is connected with stud (17), the stud
(17) rotation is socketed with ring block (18) on side wall, and the lower end of the ring block (18) is rotatably connected to connecting rod (19), the connecting rod
(19) lower end is rotatably connected to strap (20), and the strap (20) is fixedly welded on the lateral wall of duct set (21), and institute
It states ring block (18) and is screwed with stud (17) by fixing screws.
3. a kind of tunnel blower for constructing tunnel according to claim 1, it is characterised in that: the guide duct (2)
The conical taper of inner sidewall is between 2-5 °, and the conical taper of the inner sidewall of duct set (21) is between 10-15 °.
4. a kind of tunnel blower for constructing tunnel according to claim 1, it is characterised in that: the deflection cone (5)
It is provided with multiple air holes (6) with the junction of inner cylinder (3), the multiple horizontal stripes and motor that the inner cylinder (3) is equipped with by its inner wall
(7) it connects.
5. a kind of tunnel blower for constructing tunnel according to claim 1, it is characterised in that: the guide duct (2)
Inner sidewall and deflection cone (5) lateral wall be equipped with contorted water conservancy diversion line (22).
6. a kind of tunnel blower for constructing tunnel according to claim 1, it is characterised in that: the guide duct (2)
The ring wall of interior close flabellum (8) is equipped with the silencing groove (27) of a loop, and three face cell walls of the silencing groove (27) are connected with
Multiple wing plates (23), and one layer of asbestos (25) is wrapped up by aluminium sheet (24) outside the silencing groove (27).
7. a kind of tunnel blower for constructing tunnel described in any claim, feature exist in -6 according to claim 1
In: by articulated shaft flexible connection, there are two semicircular closing cap (26), the duct sets for the end of the guide duct (2)
(21) one end far from pedestal cylinder (1) has been bolted to connection protective net (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910435522.7A CN110043306B (en) | 2019-05-23 | 2019-05-23 | Tunnel fan for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910435522.7A CN110043306B (en) | 2019-05-23 | 2019-05-23 | Tunnel fan for tunnel construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110043306A true CN110043306A (en) | 2019-07-23 |
| CN110043306B CN110043306B (en) | 2021-07-09 |
Family
ID=67283374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910435522.7A Active CN110043306B (en) | 2019-05-23 | 2019-05-23 | Tunnel fan for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043306B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848154A (en) * | 2019-10-19 | 2020-02-28 | 徐州康翔精密制造有限公司 | Subway energy-saving fan |
| CN112554945A (en) * | 2020-11-19 | 2021-03-26 | 浙江上风高科专风实业股份有限公司 | Multi-protection anti-seismic hanging bracket for preventing carrying pole beam from falling |
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| CN110043306B (en) | 2021-07-09 |
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Effective date of registration: 20240409 Address after: 226-22000 National Security Science and Technology Industrial Park D6-2207, Xuzhou High tech Industrial Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jintie Technology Group Co.,Ltd. Country or region after: China Address before: 221116 Jiangsu city of Xuzhou Province Academy of Quanshan District Road No. 26 Patentee before: JIANGSU VOCATIONAL INSTITUTE OF ARCHITECTURAL TECHNOLOGY Country or region before: China |