CN206190325U - A damping door that gives sound insulation for boring explode interval construction of method subway - Google Patents
A damping door that gives sound insulation for boring explode interval construction of method subway Download PDFInfo
- Publication number
- CN206190325U CN206190325U CN201621262202.4U CN201621262202U CN206190325U CN 206190325 U CN206190325 U CN 206190325U CN 201621262202 U CN201621262202 U CN 201621262202U CN 206190325 U CN206190325 U CN 206190325U
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- construction
- doorframe
- door
- tunnel
- sound insulation
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Abstract
The utility model relates to a damping door that gives sound insulation for boring explode interval construction of method subway, including the door frame that suits with subway tunnel construction and with the articulated door leaf of being connected of door frame, the upper portion of door frame is equipped with gliding upper portion expansion plate along the door frame about, and tunnel construction's top both sides respectively are equipped with the fixed pulley, the bottom both sides respectively are equipped with the hoist engine, on upper portion expansion plate both sides are passed the fixed pulley and are fixed in the hoist engine through steel strand wires respectively, it reserves the hole still to be equipped with a plurality of on the door frame. The utility model discloses the effectual adverse effect of construction noise to all ring edge borders that has reduced through the various pipeline holes reserved and the switching of door leaf, can guarantee going on smoothly of daily construction, does not reduce construction efficiency, and the top door frame can freely go up and down, is favorable to blasting back harmful gas to discharge naturally along tunnel vault, for the good production environment of scene creation.
Description
Technical field
The utility model is related to underground construction equipment field, especially a kind of sound insulation for the construction of drilling and blasting method Subway Tunnel
Vibration damping door.
Background technology
Drilling and blasting method, be by drilling, powder charge, Blasting Excavation rock method, abbreviation drilling and blasting method.This method is from early days
Pricker, hammering are punchinged by artificial hand, ignites single pack one by one with blasting cap, developed into and bored with drill jumbo or multi-boom jumbo
Hole, using blasting techniques such as millisecond blasting, presplit blasting and photoface exploisions.Before construction, according to geological conditions, section size,
The condition such as support pattern, construction period and construction equipment, technology, selectes tunneling method.
Drilling and blasting method is a kind of construction method that current domestic city Subway Tunnel construction is generally used, it is adaptable to various geology
Condition and groundwater condition.With suitable various form of fractures(Single line, two-wire and multi-thread, station etc.)With change section(Transition
Section, many sections etc.)High degree of flexibility.By partial excavation and auxiliary method, surface subsidence can be efficiently controlled and caved in.
Compare with shield method, very economical is used in shorter excavation location.Compare with tunnel boring machine method, to country rock homogeneity no requirement (NR).With
Cut and cover method compares, and can greatly reduce the influence to traffic above-ground and business activity, it is to avoid substantial amounts of removal.From comprehensive benefit
Viewpoint is seen, is a kind of more economical method.It has excavated section flexible form, and construction equipment is relatively easy, by outside geology
The advantages of condition influence is relatively small.
But used as the construction method of city underground, its defect is also fairly obvious, i.e., larger noise is produced in work progress
And shock wave(Such as explosion and rock drill drilling operation), larger is influenceed on the life of periphery existing building and resident, disturb residents
Seriously, it is unfavorable for being smoothed out for construction.
Utility model content
The weak point in city is applied to for current drill bursting construction, the one kind mentioned by the utility model is used to bore quick-fried
The sound insulation vibration damping door of method Subway Tunnel construction, can be effective to reduce ground anvil on the premise of normal construction work efficiency is not influenceed
Influence of the quick-fried method construction to surrounding enviroment and resident living, for favourable external environment condition is created in construction.
The utility model solves the technical scheme that its technical problem used:
A kind of sound insulation vibration damping door for the construction of drilling and blasting method Subway Tunnel, the sound insulation vibration damping door is perpendicular to construction tunnel axle
Line direction;The sound insulation vibration damping door includes doorframe and and doorframe that outer contour shape is adapted with construction tunnel Internal periphery shape
The door leaf of connection;The top of the doorframe is provided with the top expansion plate slided up and down along doorframe, and the top both sides of construction tunnel are each
It is provided with fixed pulley, two bottom sides and is respectively provided with hoist engine;The top expansion plate both sides pass through fixed pulley simultaneously by steel strand wires respectively
It is fixed on hoist engine;The hoist engine drives the top expansion plate integrally to slide up and down, and makes the harmful gas produced after explosion
Naturally drained in the gap that body is formed between the top expansion plate and tunnel Internal periphery;Several are additionally provided with the doorframe
For the reserving hole that various pipelines and cable pass through;Position inside and outside the doorframe and door leaf in addition to reserving hole is equal
It is covered with sound-absorbing material, the sound-absorbing material is by drawing fixing device to be strained and fixed.
The utility model also has following additional technical feature:
Further specifically optimize as the utility model scheme, the both sides of the doorframe are provided with oblique and mutually friendship
Pitch the drawing fixing device of distribution;The reserving hole includes reserved ventilation duct hole, reserved high-pressure air hose hole, reserved upper water
Pore hole and reserved drainpipe hole.
Further specifically optimize as the utility model scheme, the doorframe is with construction tunnel Internal periphery abutment wall by swollen
Swollen bolt connection is simultaneously welded on expansion bolt head;It is articulated and connected by vertical rotating axle between the doorframe and door leaf.
Further specifically optimize as the utility model scheme, the height and width of the door leaf are meeting Subway Tunnel
Construction equipment in construction tunnel passes through and is defined;The top expansion plate is below construction tunnel Internal periphery in the range of three meters
Doorframe, the other parts of the top expansion plate and doorframe are not in same vertical plane.
Further specifically optimize as the utility model scheme, the fixed pulley is installed on construction tunnel using expansion bolt
Road top concrete surface;The hoist engine is installed on construction tunnel lower concrete surface using expansion bolt.
Further specifically optimize as the utility model scheme, the doorframe and the door leaf, the inwall of construction tunnel
Between gap in be equipped with sound-absorbing material.
Compared to the prior art the utility model, the advantage is that:A kind of sound insulation for the construction of drilling and blasting method Subway Tunnel
Vibration damping door, when entering the larger working procedure of Row noise in Subway Tunnel construction tunnel(Such as explosion, rock drill drilling), will can be somebody's turn to do
Sound insulation vibration damping door is closed, effectively to reduce the influence of construction noise and shock wave to surrounding enviroment and resident living.By pre-
The opening and closing of the various pipeline holes and door leaf that stay, it is ensured that being smoothed out for daily construction, does not reduce construction efficiency, and top
Doorframe can be freely lifted, and be conducive to the natural excrement of pernicious gas after explosion, be that good production environment is created at scene.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model planar structure schematic diagram;
Description of reference numerals:
Doorframe 1;Vertical rotating axle 2;Sound-absorbing material 3;Door leaf 4;Hoist engine 5;Fixed pulley 6;Reserved ventilation duct hole 7;In advance
Stay high-pressure air hose hole 8;Reserved upper hose hole 9;Reserved drainpipe hole 10;To drawing fixing device 11.
Specific embodiment
The embodiment of this programme is more fully described below with reference to accompanying drawings.Although showing the example of the disclosure in accompanying drawing
Property embodiment, it being understood, however, that may be realized in various forms the disclosure without that should be limited by embodiments set forth here.
Conversely, there is provided these embodiments are able to be best understood from the disclosure, and can be complete by the scope of the present disclosure
Convey to those skilled in the art.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", D score, " preceding ",
" afterwards ", the orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " be based on
Orientation shown in the drawings or position relationship, are for only for ease of description the utility model, rather than the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
A kind of sound insulation vibration damping door for the construction of drilling and blasting method Subway Tunnel, includes the door being adapted with construction tunnel shape
Frame 1, doorframe 1 is connected and is welded on expansion bolt head with construction tunnel abutment wall by expansion bolt, doorframe 1 and construction tunnel side
Wall is stable to be integrally fixed, prevent the shock wave produced during explosion destroy by rush of water sound insulation vibration damping door.
The both sides of doorframe 1 are provided with oblique and cross-cutting distribution to drawing fixing device 11.Doorframe 1 is with door leaf 4 by welding
The steel pipe skeleton and sound-absorbing material 3 for connecing are constituted, and sound-absorbing material 3 is by drawing fixing device 11 to be fixed on steel pipe skeleton.
Sound-absorbing material 3 is equipped with the front and back expansion face of doorframe 1, in the gap between the inwall of the construction tunnel of doorframe 1
Sound-absorbing material 3 is provided with, to ensure soundproof effect.
The middle and lower part of doorframe 1 is provided with the door leaf 4 being hingeably secured to by vertical rotating axle 2 on doorframe 1, and 4 points of door leaf is a left side
Right two parts, can close completely, and can be rotated along the vertical rotating axle 2 for being fixed on the inner side of doorframe 1, and door leaf 4 is highly and wide
Degree disclosure satisfy that construction equipment mini-excavator in Subway Tunnel construction tunnel, small sized loader, small-sized slag-soil truck and
The current condition of the equipment such as air compressor machine.Door leaf 4 is provided with handle for door leaf 4 to be fixed on into doorframe 1, in addition, doorframe 1 and door
Sound-absorbing material 3 is equipped with gap between fan 4, setting for sound-absorbing material 3 can be carried out effectively to the sound that explosion is produced
Absorb and shield.
The top of doorframe 1 is provided with the top expansion plate slided up and down along doorframe 1, the shape and construction tunnel of top expansion plate
Top shape be engaged, between also be provided with one layer of sound-absorbing material 3, good sealing effectiveness can be formed.The top of construction tunnel
Portion both sides are respectively provided with fixed pulley 6, two bottom sides and are respectively provided with hoist engine 5, and fixed pulley is firmly installed on construction tunnel using expansion bolt
Road top concrete surface, hoist engine 5 is firmly installed on construction tunnel lower concrete surface using expansion bolt.Stretch on top
Plate both sides are respectively by the way that steel strand wires are through fixed pulley 6 and are fixed on hoist engine 5.When hoist engine 5 rotates forward work, steel strand wires are shunk
And then drive top expansion plate along the vertical direction upward sliding of doorframe 1, make the top phase of top expansion plate and construction tunnel
Coordinate.During the reversion work of hoist engine 5, steel strand wires are released, top expansion plate is under gravity along the vertical direction of doorframe 1
Slide downward.Pernicious gas is naturally drained along tunnel vault after this working method is conducive to explosion, is that scene creation is good
Production environment.
Several reserving holes are also installed with doorframe 1 in advance, reserving hole includes reserved ventilation duct hole 7, reserved height
Pressure ventilation pipe hole 8, reserved upper hose hole 9 and reserved drainpipe hole 10.
In actual use, sound-absorbing material 3 is made up of the raw material of following parts by weight:Polyvinyl chloride resin 30-45 parts, ternary second
Third rubber 15-25 parts, magnesia 2-8 parts, glass fibre 5-11 parts, calcium carbonate 2-6 parts, the different phenylpropyl alcohol crosslinking agent 8-15 of peroxidating two
Part, coalescents 2-8 parts, 1-2 parts, waterproofing agent 5-10 parts of stearic acid active lubricant.
The preparation method of above-mentioned sound-absorbing material 3 is:
(1) raw material mixture:Polyvinyl chloride resin:Ethylene propylene diene rubber:Magnesia is 1.5:1.2:0.4, ball milling 40-55min is standby
With.The different phenylpropyl alcohol crosslinking agent of peroxidating two, stearic acid active lubricant, coalescents are put into homogenizer with rotating speed 1200-
After 1400rpm mixing 5-7min, add coalescents continue mix 3min, add glass fibre, calcium carbonate, irgasfos 168,
Talcum powder, polyoxyethylene laural acidic group ether continue mixed at high speed until temperature reaches 100-110 DEG C, discharging.
(2) extruding pelletization:The good raw material of mixture is added into double screw extruder, each section of temperature of extruder:120℃;130
℃;130℃;130℃;140 DEG C of mouth mold;Screw speed:30-45rpm.
(3) by feeding after above-mentioned pellet addition single screw extrusion machine fusion plastification to calendering formation in tri-roll press machine:Squeeze
Go out each section of temperature of machine:130℃;140℃;135℃;135℃;145 DEG C of mouth mold;Screw speed:30-45rpm.The roller of re-entrant trough profiled steel sheeting three
Temperature is 65 DEG C, sheet thickness 1.5mm, width 100mm, hauling speed 4-5m/min.
A kind of installation method of sound insulation vibration damping door for the construction of drilling and blasting method Subway Tunnel, it comprises the following steps:
(1)According to design and construction tunnel profile, the specific chi of sound insulation vibration damping door different parts steel pipe skeleton is determined
It is very little, complete former material blanking;(2)Sound insulation vibration damping door is divided into door leaf, doorframe, the part of top expansion plate three, welding, shape is respectively completed
Into skeleton;(3)Expansion bolt is set on the wall that construction tunnel intends installation site, for fixing doorframe skeleton;(4)By doorframe bone
Frame and expansion bolt firm welding;(5)Respectively door leaf skeleton and top expansion plate are estimated to be attached to design attitude;(6)To inhale
Sound material is fixed on sound insulation vibration damping door skeleton, using the fixing means punched to drawing;(7)According to design in sound-absorbing material
On cut out reserving hole, and penetrate construction tunnel construction pipeline used;(8)Top fixed pulley and hoist engine are installed, and are twisted with steel
Line is connected with top expansion plate.The door installation of sound insulation vibration damping.
Embodiment 1
A kind of sound insulation vibration damping door for the construction of drilling and blasting method Subway Tunnel, mainly by sound insulation vibration damping door frame 1(It is divided to two
Point, it is attached sound-absorbing material 3 on the skeleton of welded still pipe composition), it is attached sound-absorbing material 3 on the welded still pipe of door leaf 4 composition skeleton, perpendicular
To rotary shaft 2, hoist engine 5 and to drawing fixing device 11 to constitute.
Sound insulation vibration damping door is installed at the transverse passage-way between Subway Tunnel vertical shaft and main track ingate, and direction is perpendicular to applying
Work tunnel axis direction, is broadly divided into doorframe 1 and the two parts of door leaf to be opened/closed 4, the outline of doorframe 1 and tunnel Internal periphery phase
Together, it is fixed on tunnel inner wall using expansion bolt.The periphery of doorframe 1 is reserved with reserved ventilation duct hole 7, reserved high-pressure blast pore
Hole 8, reserved upper hose hole 9 and reserved drainpipe hole 10.4 points of door leaf is left and right two parts, can be closed completely, and can
Rotated along the vertical axis for being fixed on the inner side of doorframe 1, door leaf 4 is highly and width disclosure satisfy that the construction in Subway Tunnel construction tunnel
The current condition of the equipment such as plant equipment mini-excavator, small sized loader, small-sized slag-soil truck and air compressor machine.
Doorframe 1 is made up of two parts, and other departments of the doorframe 1 below vault in the range of three meters and doorframe 1 are not same
Plane, can carry out integral elevating by being fixed on the fixed pulley 6 of vault using hoist engine 5, harmful after explosion to facilitate
Gas is naturally drained along tunnel vault.
It is hinged by vertical rotating axle 2 between doorframe 1 and door leaf 4, except reserved inside and outside doorframe 1 and door leaf 4
Outside hole, it is covered with such as thick-layer sponge of sound-absorbing material 3, sound-absorbing material 3 is used to drawing fixing device 11(Such as split bolt and pad
Deng)It is strained and fixed.
According to above mentality of designing, in Shandong Province Subway Tunnel construction tunnel job site processed it is a set of should be every
Sound vibration damping door be installed at the interval construction tunnel, by using hand-held decibel instrument respectively at sound insulation vibration damping door 2 meters of front,
Carry out testing the noise decibel value on periphery at 100 meters of 2 meters of rear and rear, explosion position and blasting scheme are completely the same, lead to
Experimental data below crossing is it can be shown that sound insulation vibration damping door is effectively reduced unfavorable shadow of the construction noise to surrounding enviroment
Ring.
The sound insulation vibration damping of table 1 door explosion test data comparative analysis statistical form.
Test number (TN) | 1st time | 2nd time | 3rd time | The 4th | The 5th | 6th time |
Sound insulation vibration damping is tested in front of the door(Decibel) | 115dB | 120dB | 113dB | 115dB | 109dB | 118dB |
Sound insulation vibration damping is tested behind the door(Decibel) | 90dB | 92dB | 84edB | 88dB | 85dB | 92dB |
100m is tested at a distance(Decibel) | 75dB | 72dB | 69dB | 73dB | 70dB | 73dB |
A kind of sound insulation vibration damping door for the construction of drilling and blasting method Subway Tunnel, enters Row noise larger in Subway Tunnel construction tunnel
Working procedure when(Such as explosion, rock drill drilling), can by the sound insulation vibration damping door close, with effectively reduce construction noise and
Influence of the shock wave to surrounding enviroment and resident living.The opening and closing of various pipeline holes and door leaf 4 by reserving, it is ensured that
Being smoothed out for daily construction, does not reduce construction efficiency, and top doorframe 1 can be freely lifted, and gas is harmful to after being conducive to explosion
Body is naturally drained along construction tunnel vault, is that good production environment is created at scene.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (6)
1. it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Sound insulation vibration damping door perpendicular to
Construction tunnel axis direction;The sound insulation vibration damping door includes the door that outer contour shape is adapted with construction tunnel Internal periphery shape
Frame(1)And and doorframe(1)The door leaf of connection(4);
The top both sides of construction tunnel are respectively provided with fixed pulley(6), two bottom sides be respectively provided with hoist engine(5);The doorframe(1)It is upper
Portion is provided with along doorframe(1)Slided through fixed by steel strand wires respectively the top expansion plate for sliding up and down, the top expansion plate both sides
Wheel(6)And it is fixed on hoist engine(5)On;The hoist engine(5)Drive the top expansion plate integrally to slide up and down, produced after explosion
Naturally drained in the gap that raw pernicious gas is formed between the top expansion plate and construction tunnel Internal periphery;
The doorframe(1)On be additionally provided with several reserving holes passed through for various pipelines and cable;The doorframe(1)And door
Fan(4)Inside and outside position in addition to reserving hole be covered with sound-absorbing material(3), the sound-absorbing material(3)By solid to drawing
Determine device(11)It is strained and fixed.
2. it is according to claim 1 it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Institute
State to drawing fixing device(11)In oblique and cross-cutting distribution in doorframe(1)Both sides;The reserving hole includes reserved
Ventilation duct hole(7), reserved high-pressure air hose hole(8), reserved upper hose hole(9)With reserved drainpipe hole(10).
3. it is according to claim 1 it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Institute
State doorframe(1)It is connected and is welded on expansion bolt head by expansion bolt with construction tunnel Internal periphery abutment wall;The doorframe(1)
And door leaf(4)Between pass through vertical rotating axle(2)It is articulated and connected.
4. it is according to claim 1 it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Institute
State door leaf(4)Height and width to meet, the construction equipment in Subway Tunnel construction tunnel is current to be defined;The top
Expansion plate is the doorframe in the range of three meters below construction tunnel Internal periphery(1), the top expansion plate and doorframe(1)Other portions
Divide not in same vertical plane.
5. it is according to claim 1 it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Institute
State fixed pulley(6)Construction tunnel top concrete surface is installed on using expansion bolt;The hoist engine(5)Use expansion bolt
It is installed on construction tunnel lower concrete surface.
6. it is according to claim 1 it is a kind of for drilling and blasting method Subway Tunnel construction sound insulation vibration damping door, it is characterised in that:Institute
State doorframe(1)With the door leaf(4), the construction tunnel inwall between gap in be equipped with sound-absorbing material(3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621262202.4U CN206190325U (en) | 2016-11-24 | 2016-11-24 | A damping door that gives sound insulation for boring explode interval construction of method subway |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621262202.4U CN206190325U (en) | 2016-11-24 | 2016-11-24 | A damping door that gives sound insulation for boring explode interval construction of method subway |
Publications (1)
Publication Number | Publication Date |
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CN206190325U true CN206190325U (en) | 2017-05-24 |
Family
ID=58724783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621262202.4U Expired - Fee Related CN206190325U (en) | 2016-11-24 | 2016-11-24 | A damping door that gives sound insulation for boring explode interval construction of method subway |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106401647A (en) * | 2016-11-24 | 2017-02-15 | 中国石油大学(华东) | Sound insulation and vibration reduction door for drilling and blasting method metro section construction and mounting method thereof |
CN111691745A (en) * | 2020-05-07 | 2020-09-22 | 中铁十八局集团有限公司 | Be used for subway station to seal construction sound insulation and enclose fender structure |
CN113090290A (en) * | 2021-05-25 | 2021-07-09 | 中铁五局集团机械化工程有限责任公司 | Tunnel entrance to a cave gives sound insulation and falls spraying dust device of making an uproar that falls |
-
2016
- 2016-11-24 CN CN201621262202.4U patent/CN206190325U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106401647A (en) * | 2016-11-24 | 2017-02-15 | 中国石油大学(华东) | Sound insulation and vibration reduction door for drilling and blasting method metro section construction and mounting method thereof |
CN111691745A (en) * | 2020-05-07 | 2020-09-22 | 中铁十八局集团有限公司 | Be used for subway station to seal construction sound insulation and enclose fender structure |
CN111691745B (en) * | 2020-05-07 | 2021-10-29 | 中铁十八局集团有限公司 | Be used for subway station to seal construction sound insulation and enclose fender structure |
CN113090290A (en) * | 2021-05-25 | 2021-07-09 | 中铁五局集团机械化工程有限责任公司 | Tunnel entrance to a cave gives sound insulation and falls spraying dust device of making an uproar that falls |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170524 Termination date: 20201124 |