CN209586410U - Controllable expansion device of jet type ventilating duct for long and large tunnel - Google Patents
Controllable expansion device of jet type ventilating duct for long and large tunnel Download PDFInfo
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- CN209586410U CN209586410U CN201920140137.5U CN201920140137U CN209586410U CN 209586410 U CN209586410 U CN 209586410U CN 201920140137 U CN201920140137 U CN 201920140137U CN 209586410 U CN209586410 U CN 209586410U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000005422 blasting Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 14
- 238000009423 ventilation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a controllable expansion device of a jet-type ventilating duct for a long and large tunnel, which comprises a transmission system consisting of a remote control motor, a steel wire rope, groove-shaped steel and a V-shaped fixed pulley; the support rod supporting device is fixed at a certain distance from the wall of the hole and provides stability for the support rod supporting device; the telescopic steel ring air duct is connected with the controllable telescopic device through the steel wire rope clip and the steel wire rope wheel, and the telescopic air duct can be stretched. The utility model discloses can realize that the shrink dryer reaches apart from face 50m department before the face blasting, prevent that the riprap that the blasting produced from crashing and damaging the dryer, constructor extends the dryer to near face air supply at safe position remote control motor after the blasting, and near face dust concentration, harmful toxic gas etc. are effectively diluted fast, guarantee that constructor is healthy and improve the efficiency of construction.
Description
Technical field
The utility model relates to a kind of tunnel efflux ventilation cylinder controllable extensible devices, in particular a kind of to be suitable for drilling and blasting method
The major long tunnel of construction shrinks air duct, extends air duct after explosion before explosion.
Background technique
In major long tunnel drill bursting construction, face explosion can dish out a large amount of slungshots into tunnel, if air duct is away from area
Face is closer, then is easy the slungshot damage generated by explosion, if air duct away from face farther out, the harmful poisonous gas generated after explosion
Body and a large amount of dusts are not easy to disperse, and hinder construction and threaten construction personnel's health.To guarantee good ventilation effect and quick construction,
Needing special device to control to adjust, air duct is flexible, but easy device flexible there is no control air duct at present.
Utility model content
For above situation, lacked to improve the technology of air duct arrangement before and after face explosion in existing jetting type ventilation tunnel
It falls into, the utility model can solve face explosion front and back air duct arrangement in existing jetting type ventilation tunnel using controllable extensible air duct
The problem of, dust is difficult to the problem to dissipate after can effectively solve jetting type ventilation tunnel face explosion.
The utility model is realized in this way a kind of major long tunnel jetting type ventilator controllable extensible device is constructed, it is special
Sign is: forming transmission system together including telemotor, wirerope, channel-section steel, V-type fixed pulley；Fastener connector will be whole
A device is fixed on Dong Bishang；Channel-section steel constitutes whole device skeleton；They sup-port channel-section steel has certain distance away from hole wall, subtracts
The stability of device is rubbed and guaranteed between small scalable steel ring air duct and hole wall；Wire rope clip will be in scalable steel ring air duct
Front end hanging ring is fixed on a steel cord, and wire rope pulley hangs remaining hanging ring in scalable steel ring air duct on a steel cord；It is fixed
Ring is fixed on channel-section steel, for stopping wire rope pulley.
According to major long tunnel jetting type ventilator controllable extensible device described in the utility model, it is characterised in that: pass through
Fastener connector is connect with hole wall upper bolt, and whole device is fixed on Tunnel wall, convenient for handling, circulation construction.
According to major long tunnel jetting type ventilator controllable extensible device described in the utility model, it is characterised in that: can stretch
Contracting steel ring air duct uses flexible cloth, is easy to flexible.
According to major long tunnel jetting type ventilator controllable extensible device described in the utility model, it is characterised in that: remote control
Motor and V-type fixed pulley are in channel-section steel both ends, by wirerope stretching.
The utility model has the advantages that the utility model discloses a kind of for the logical of major long tunnel jetting type ventilation
Air duct controllable extensible device, including the transmission system being made of telemotor, wirerope, channel-section steel, V-type fixed pulley；Pass through
Fastener connector is fastened on the fixation device formed on the wall anchor pole of hole, and they sup-port device is it away from hole wall certain distance
Stability is provided；Scalable steel ring air duct by wire rope clip, wire rope pulley is connected with controllable extensible device, it can be achieved that air duct
It is flexible.The utility model shrinks air duct at away from face 50m before being able to achieve face explosion, the jackstone for preventing explosion from generating
Damage air duct, construction personnel remotely controls motor in home and extends air duct to blowing near face, quickly after explosion
Dust concentration, harmful poisonous gas etc. effectively near dilution face, guarantee construction personnel's health and improve construction efficiency.
Detailed description of the invention
Fig. 1 is tunnel efflux ventilation cylinder controllable extensible device total figure；
Fig. 2 is the fastener connector detail drawing of the utility model.
In figure: 1, telemotor；2, wirerope；3, fastener connector；4, channel-section steel；5, support rod；6, V-type is slided surely
Wheel；7, wire rope clip；8, wire rope pulley；9, fixed ring；10, scalable steel ring air duct.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 2, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
The utility model provides a kind of major long tunnel jetting type ventilator controllable extensible device by improving herein, including distant
Control motor 1, wirerope 2, channel-section steel 4, V-type fixed pulley 6 form transmission system together；Fastener connector 3 consolidates whole device
It is scheduled on Dong Bishang；Channel-section steel 4 constitutes whole device skeleton；Support rod 5 supports channel-section steel 4 to have certain distance away from hole wall, and reduction can
The stability of device is rubbed and guaranteed between flexible steel ring air duct 10 and hole wall；Wire rope clip 7 is by scalable steel ring air duct 10
Middle front end hanging ring is fixed on wirerope 2, remaining hanging ring in scalable steel ring air duct 10 is suspended on wirerope 2 by wire rope pulley 8
On；Fixed ring 9 is fixed on channel-section steel 4, for stopping wire rope pulley 8.
Major long tunnel jetting type ventilator controllable extensible device described in the utility model, passes through fastener connector 3 and hole
The connection of wall upper bolt, whole device is fixed on Tunnel wall, convenient for handling, circulation construction.
Major long tunnel jetting type ventilator controllable extensible device described in the utility model, scalable steel ring air duct 10 use
Flexible cloth is easy to flexible.
Major long tunnel jetting type ventilator controllable extensible device described in the utility model, telemotor 1 are slided surely with V-type
Wheel 6 is in channel-section steel both ends, by wirerope stretching.
After improvement, it is connect, whole device is fixed on Tunnel wall, in this way with hole wall upper bolt using fastener connector
It is easily installed disassembly, circulation construction；Channel-section steel constitutes whole device skeleton, and they sup-port whole device has a spacing away from hole wall
From to reduce the friction between scalable steel ring air duct and hole wall, and to guarantee entire device stability；Wire rope clip will
The front end hanging ring of scalable steel ring air duct is fixed on a steel cord, and air duct can be rotated with wirerope to be extended or shunk, steel wire
On a steel cord by remaining hanging hole suspension of scalable steel ring air duct, wire rope pulley can slide rope sheave on a steel cord；Fixed ring
It is fixed on channel-section steel, steel wire penetrating fixed ring, for stopping wire rope pulley.
See reference Fig. 1 when implementation, a kind of major long tunnel jetting type ventilator controllable extensible device, including telemotor 1,
Wirerope 2 and channel-section steel 4, V-type fixed pulley 6 form transmission system together, and telemotor and V-type fixed pulley are in channel-section steel two
Hold and by wirerope stretching, wirerope is by motor drive；Whole device is fastened on the anchor pole of hole wall by fastener connector 3
On, so that whole device is suspended on Dong Bishang；Support rod 5 supports channel-section steel 4 to have certain distance away from hole wall, reduces scalable steel ring wind
It rubs between cylinder 10 and hole wall；
Front end hanging ring will be elongated in the scalable steel ring air duct 10 of maximum rating, steel is fixed on by wire rope clip 7
In cord 2, scalable remaining hanging ring of steel ring air duct 10 is suspended on wirerope 2 by wire rope pulley 8, scalable steel ring air duct
It can be stretched or be compressed with wirerope；Fixed ring 9 is fixed on channel-section steel 4, for stopping wire rope pulley 8.
In conclusion the utility model tunnel ventilation cylinder controllable extensible device workflow is as follows:
See reference Fig. 1, and wirerope is controlled before explosion and is rotated clockwise, makes wirerope that steel ring air duct be driven to be retracted to security bit
It sets, the slungshot damage air duct for avoiding explosion from generating；
Wirerope is controlled after explosion to rotate counterclockwise, and makes wirerope that steel ring air duct be driven to be elongated near face, can have
Effect reduces dust concentration, improves construction efficiency.
Compared with the prior art, the advantage of the utility model is embodied in:
The utility model structure is simple, easy to manufacture；
The utility model detachable hanging after completing one cycle is attached to next circulation, rapidly and efficiently；
The utility model controls steel ring air duct using telemotor with the elongation and shortening of wirerope.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (4)
1. a kind of major long tunnel jetting type ventilator controllable extensible device, it is characterised in that: including telemotor (1), steel wire
Rope (2), channel-section steel (4), V-type fixed pulley (6) form transmission system together；Whole device is fixed on hole by fastener connector (3)
On wall；Channel-section steel (4) constitutes whole device skeleton；Support rod (5) supports channel-section steel (4) to have certain distance away from hole wall, and reduction can
The stability of device is rubbed and guaranteed between flexible steel ring air duct (10) and hole wall；Wire rope clip (7) is by scalable steel ring wind
Front end hanging ring is fixed on wirerope (2) in cylinder (10), and wire rope pulley (8) is outstanding by remaining hanging ring in scalable steel ring air duct (10)
It hangs on wirerope (2)；Fixed ring (9) is fixed on channel-section steel (4), for stopping wire rope pulley (8).
2. major long tunnel jetting type ventilator controllable extensible device according to claim 1, it is characterised in that: pass through fastener
Connector (3) is connect with hole wall upper bolt, and whole device is fixed on Tunnel wall, convenient for handling, circulation construction.
3. major long tunnel jetting type ventilator controllable extensible device according to claim 1, it is characterised in that: scalable steel
It encloses air duct (10) and uses flexible cloth, be easy to flexible.
4. major long tunnel jetting type ventilator controllable extensible device according to claim 1, it is characterised in that: remote control electric
Machine (1) and V-type fixed pulley (6) are in channel-section steel both ends, by wirerope stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140137.5U CN209586410U (en) | 2019-01-28 | 2019-01-28 | Controllable expansion device of jet type ventilating duct for long and large tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920140137.5U CN209586410U (en) | 2019-01-28 | 2019-01-28 | Controllable expansion device of jet type ventilating duct for long and large tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586410U true CN209586410U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920140137.5U Active CN209586410U (en) | 2019-01-28 | 2019-01-28 | Controllable expansion device of jet type ventilating duct for long and large tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586122A (en) * | 2021-08-18 | 2021-11-02 | 安徽理工大学 | Colliery is combined and is dug working face low windage low noise dryer device |
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
-
2019
- 2019-01-28 CN CN201920140137.5U patent/CN209586410U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN113607372B (en) * | 2021-08-05 | 2023-12-19 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN113586122A (en) * | 2021-08-18 | 2021-11-02 | 安徽理工大学 | Colliery is combined and is dug working face low windage low noise dryer device |
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