CN109162654B - A kind of highway green depositing dust environmental protection construction structure and its construction method - Google Patents
A kind of highway green depositing dust environmental protection construction structure and its construction method Download PDFInfo
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- CN109162654B CN109162654B CN201811086781.5A CN201811086781A CN109162654B CN 109162654 B CN109162654 B CN 109162654B CN 201811086781 A CN201811086781 A CN 201811086781A CN 109162654 B CN109162654 B CN 109162654B
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- dust
- supporting plate
- screen drum
- air inlet
- inlet pipe
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
Abstract
The invention discloses a kind of highway green depositing dust environmental protection construction structure and its construction methods, belong to technical field of road engineering.It includes drill bit, intermediate the first supporting plate for being equipped with the through-hole that drill bit can be allowed to be inserted freely into；The side of first supporting plate is equipped with internal diameter and the identical air inlet pipe of through-hole；Described air inlet pipe one end is connected on the through-hole of the first supporting plate, and the air inlet pipe other end is connected with separator tube, and the separator tube other end is connected with elastic edge, throw-out collar is socketed on the outside of the air inlet pipe, the throw-out collar is for pushing elastic edge；It further include dust exhaust apparatus, the inner space of the dust exhaust apparatus and air inlet pipe is connected.The present invention can be avoided the dust generated when boring quiet blast hole and enter in air, in addition, also having, manufacturing cost is low, filtering accuracy is high and high reliability.
Description
Technical field
The invention belongs to technical field of road engineering, specifically, being related to a kind of highway green depositing dust environmental protection construction structure
And its construction method.
Background technique
In building construction process, it usually needs be purged to the rock in construction area, currently, most of quiet using rock
State blasting method carries out blasting elimination to rock.Rock static state explosion is to be drilled with hole in explosion rock mass, by deployed liquid
The quiet detonator of state is poured in hole, and quiet detonator can generate the bulbs of pressure after hydration, which is greater than rock
Tensile strength, rock will be by spallings, to achieve the purpose that abolish rock.It is general using simple for static blasting hole Drilling
Artificial portable churn, biggish dust can be generated when Drilling at the scene, and surrounding enviroment shadow physically and mentally healthy to operator
Sound is larger, and live civil operation condition is poor, it is therefore desirable to carry out measurements for reduction.
The depositing dust currently, the dust measurements for reduction generated for quiet blast hole Drilling mainly sprays water with high pressure, its working principle is that
High pressure is provided using power-equipment water supply, the injection that directly makes water fogging high-altitude occurs to operation, the water mist and air ejected
In the dust that diffuses combine, dust slowly precipitates under the action of water mist gravity, to play the role of depositing dust.But the party
Method water spray range is small, and wind-engaging wind size influences greatly, and using effect is poor；Such as: China Patent No. is
201310056888.6 Chinese patent document there is above-mentioned problem, and it discloses a kind of atomized water spray machines, mainly by spraying
Injection device, support device, controller, rotating mechanism, platform, pedestal, water pump and flow pipe composition, the program are former using Venturi tube
Reason, the first trunnion and aux. venturi form negative pressure under the action of high-speed flow in its cavity, siphonage are generated, by water
The first trunnion and aux. venturi are sucked from the first water jet, the second water jet and third water jet, the water of sucking is in high-speed flow
Shock under generate atomization, form uniformly fine and closely woven water mist and sprayed from spout.
To solve the above-mentioned problems, the Chinese patent document that China Patent No. is 201510454212.1, it discloses one
The kind quiet blast hole Drilling device for reducing dust of rock, including for adsorbing the adsorbent equipment of dust at the quiet blast hole Drilling of rock and being used for sequentially
The filter device for the dust that categorical filtering adsorbent equipment sucks in；Adsorbent equipment includes the suction that nozzle is aligned at quiet quick-fried drilling orifice
Attached pipe and the power source for making formation negative pressure in filter device, adsorption tube are connect with filter device, and power source is formed in filter device
It is interior, power is provided by power source, is placed at quiet quick-fried drilling orifice using adsorption tube and carries out absorption dust, is transferred to filtering dress
The place of setting is filtered categorised collection, solves the dust pollution generated when the quiet blast hole Drilling of rock, guarantees that on-site personnel is in
Works fine environment reduces pollution of the construction to surrounding enviroment, realizes green construction, of simple structure and strong practicability, dust-laying effect
It is good, it is easy to operate, be conducive to site safety civilized construction and use cost is low；But the program still remains some defects:
At work due to drill bit, a large amount of dust can be generated, therefore, depositing dust will be particularly important, and this programme is suitable for being drilled
Quiet blast hole leave dust processing, and for drilling carry out when generation dust treatment effect it is bad, especially with screw thread
When drill bit, a large amount of dust can be made to be discharged along the thread groove of drill bit, adsorption tube can only absorb the dust of side, pick-up performance by
To influence, moreover, the operating distance between ventilation blower and adsorption tube is too far, the power requirement that will lead to ventilation blower is excessive, increases
Production cost；And if improving pick-up performance by the power for improving ventilation blower, it will lead to the rising of a manufacturing cost more step,
Therefore, dust treatment effect is not satisfactory, it is difficult to effectively be handled the dust of field operation；Further, since adsorption tube
The dust of absorption is relatively more, and the fine grained dust being clipped between coarse granule dust, under the action of coarse granule dust, it is heavy to fall into
In the case of shallow lake, therefore, filtering accuracy is not high, and reliability is difficult to reach requirement.
Summary of the invention
1, it to solve the problems, such as
For dust-laying effect of the existing technology is poor, manufacturing cost is excessively high, filtering accuracy is not high and reliability ratio
Lower problem, the present invention provides a kind of highway green depositing dust environmental protection construction structure and its construction method, when boring quiet blast hole, delays
The elastic edge of washing pipe end can closely be connect with the rock face around drill bit, be can be avoided dust and entered air
In, in addition, also having, manufacturing cost is low, filtering accuracy is high and high reliability.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of highway green depositing dust environmental protection construction structure is equipped with the through-hole that drill bit can be allowed to be inserted freely into including drill bit and centre
The first supporting plate；The side of first supporting plate is equipped with internal diameter and the identical air inlet pipe of through-hole；Described air inlet pipe one end connects
It connects on the through-hole of the first supporting plate, the air inlet pipe other end is connected with separator tube, and the separator tube other end connection has elastic edge
Edge；Throw-out collar is socketed on the outside of the air inlet pipe；The throw-out collar is for pushing elastic edge；It further include dust exhaust apparatus, institute
The inner space of the dust exhaust apparatus stated and air inlet pipe is connected.
Preferably, the connection between the throw-out collar and elastic edge is the hollow cylinder by being located on the outside of air inlet pipe；Institute
The inside for the hollow cylinder stated is plugged with cylinder；Wherein, one end of cylinder is connect by compressed spring with hollow cylinder, the other end and bullet
Property edge connection.
Preferably, the quantity of the hollow cylinder is 9~12.
It preferably, further include the second supporting plate and screen drum；Second supporting plate is arranged in parallel with the first supporting plate；The sieve
One end of cylinder and the first supporting plate are rotatablely connected, and the other end and across the second supporting plate and by the teeth of outside setting be arranged second
The gear of the opposite installation of supporting plate engages connection.
It preferably, further include material-gathering device；The inside of material-gathering device is hollow structure；The screen drum is located at material-gathering device
Inside；Along the first supporting plate to the direction of the second supporting plate, the side of screen drum is successively arranged the first sieve pore and the second sieve pore；Screen drum
Internal opposite first sieve pore is equipped with pushing spiral；The inside of the material-gathering device forms first by partition and gathers materials chamber and second
Gather materials chamber；Wherein, first chamber that gathers materials is correspondingly arranged with the first sieve pore, and second chamber that gathers materials is correspondingly arranged with the second sieve pore.
Preferably, the described first side for gathering materials chamber is equipped with third and gathers materials chamber；Described first is gathered materials the side wall of chamber
Top is equipped with port；The dust exhaust apparatus is located at third and gathers materials chamber at port position.
Preferably, the dust exhaust apparatus is ventilation blower.
Preferably, the size of second sieve pore is greater than the size of the first sieve pore.
Preferably, the inside of the screen drum gathers materials chamber with respect to second equipped with backstop；The backstop is cylindrical shape
Structure；One end of the backstop and the end of screen drum are fixed；There is gap between the inner wall and drill bit of the backstop.
A kind of construction method of highway green depositing dust environmental protection construction structure, the steps include:
A. using above-mentioned existing to the progress operation of one side scraggly rock, the side of throw-out collar promotion elastic edge and rock
Face is in close contact, wherein the ratio not in contact with area of elastic edge and rock is less than 15%；
B. drill bit carries out bore operation to rock, and dust exhaust apparatus is by the dust inspiration air inlet pipe generated when drilling and enters
In screen drum, screen drum rotation, pushing spiral pushes the direction of dust toward the second supporting plate, and fine grained falls into first by the first sieve pore
Gather materials in chamber, the rotation of screen drum helps to separate the fines in dust, and dust exhaust apparatus is by wind-force by superfine
Grain is collected to gather materials in chamber into third, and coarse granule enters second by the second sieve pore and gathers materials in chamber；
C. the proportional region of the internal diameter of the screw pitch and screen drum of the pushing spiral in step b is (1:3)~(1:5), screen drum
Revolving speed is 5~10rad/min.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) separator tube that the present invention uses is matched with drill bit, when boring quiet blast hole, buffers the elastic edge energy of tube end
It is enough closely to be connect with the rock face around drill bit, it can be avoided dust and enter in air, achieve the effect that depositing dust；With
The prior art is compared, and, filtering accuracy low with manufacturing cost be high and high reliability；
(2) throw-out collar that the present invention uses can drive elastic edge close to rock face, and rock face is due to out-of-flatness, with bullet
Property edge between contact certainly will have gap, if gap is excessive, just will affect drilling generate dust enter air inlet pipe
In, cause dust-laying effect unobvious；And the matching design of hollow cylinder and cylinder that the present invention uses, according to elastic edge feedback
Contacting information can be by the ratio control not in contact with area of elastic edge and rock by the elastic connection of hollow cylinder and cylinder
System is 15% hereinafter, greatly reducing the gap between elastic edge and rock face, by the negative pressure generated in air inlet pipe, substantially
Dust-laying effect can be substantially increased by dust all sucking air inlet pipe；In addition, the design of annular support plate is capable of fixing elasticity
The radial position at edge, and then avoid separator tube and bit contact and lead to the generation damaged, avoid accidental loss；
(3) screen drum that uses of the present invention is cylindrical design, and when dust is drawn in screen drum by ventilation blower, screen drum can will be grey
Dirt is according to granular size sifting sort, and the dust of fines can be directly drawn to third and gathered materials chamber by ventilation blower, classifying quality
Reliably；And ventilation blower is little at a distance from buffering tube end, and it is therefore, not high for the power requirement of ventilation blower, reduce production
The inside of cost, screen drum is equipped with pushing spiral, and dust can be pushed into next target position, meanwhile, the design of pushing spiral
The dust for being clipped in internal fines is raised out in the rolling for facilitating dust, is conducive to ventilation blower and is sucked third to gather materials
Chamber substantially increases the reliability and filtering accuracy of device；Screen drum rotation is too fast, it is difficult to screen the fine grained dust in dust
Completely, screening effect is influenced；Screen drum rotated slowly, it will and cause working efficiency to reduce, meanwhile, it will also result in dust rolling
Fugitive dust effect is unobvious, and the dust of fines is caused not to be screened processing, so across drill bit and backstop between
Gap adversely affects the use of drill bit；And control the revolving speed of screen drum in 5~10rad/min, it can be avoided above two
The occurrence of, improve the service life of filtering accuracy and drill bit；
(4) backstop that the present invention uses is columnar structured, since fine grain dust divides in previous process
It Shai Xuan not collect, coarse grained dust is relatively difficult to enter in the gap between drill bit and backstop, can be avoided dust
Grain enters the adverse effect to drilling life of bit generated inside device, and topology layout is reasonable, substantially increases drill bit
Service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of highway green depositing dust environmental protection construction structure in the present invention；
Fig. 2 is the top view of highway green depositing dust environmental protection construction structure in the present invention；
The cross-sectional view that Fig. 3 is A-A in highway green depositing dust environmental protection construction structure chart 2 in the present invention；
Fig. 4 is the front view of highway green depositing dust environmental protection construction structure in the present invention；
The cross-sectional view that Fig. 5 is B-B in highway green depositing dust environmental protection construction structure chart 4 in the present invention；
Fig. 6 is the structural schematic diagram of hollow cylinder and cylinder in the present invention.
In figure: 1, the first supporting plate；
2, the second supporting plate；
3, material-gathering device；301, first gathers materials chamber；302, second gathers materials chamber；303, third is gathered materials chamber；
4, drill bit；
5, screen drum；501, backstop；502, pushing spiral；
6, ventilation blower；
7, air inlet pipe；701, separator tube；702, throw-out collar；703, elastic edge；704, hollow cylinder；705, cylinder；706, ring
Shape supporting plate；707, push rod.
Specific embodiment
The present invention is further described below with attached drawing combined with specific embodiments below.
Embodiment 1
As depicted in figs. 1 and 2, a kind of highway green depositing dust environmental protection construction structure, including drill bit 4, dust exhaust apparatus and centre
The first supporting plate 1 equipped with the through-hole that drill bit 4 can be allowed to be inserted freely into, the first supporting plate 1 be used as support platform, one side be equipped with internal diameter and
The identical air inlet pipe 7 of through-hole, 7 one end of air inlet pipe are connected on the through-hole of the first supporting plate 1, and 7 other end of air inlet pipe is connected with buffering
Pipe 701, separator tube 701 can be hose, and 701 other end of separator tube is connected with elastic edge 703, the outside socket of air inlet pipe 7
There is throw-out collar 702, throw-out collar 702 is for pushing elastic edge 703, the inner space connection of dust exhaust apparatus and air inlet pipe 7；The present embodiment
In, power device drives 702 transverse shifting of throw-out collar, and throw-out collar 702 can drive elastic edge 703 close to rock face, and then make
Elastic edge 703 and rock face are in close contact, when drill bit 4 carries out bore operation, under the action of dust exhaust apparatus, in air inlet pipe
Dust substantially can all be sucked in air inlet pipe 7, and then achieve the effect that depositing dust by the negative pressure of generation, be conducive to field of constructing
The environmental protection on ground, while the dust granule being collected into is subjected to processing and is recycled, also comply with the requirement of green construction.
Due to rock face out-of-flatness, the contact between elastic edge 703 certainly will have portion gap, if gap mistake
Greatly, it just will affect the dust that drilling generates to enter in air inlet pipe 7, cause dust-laying effect unobvious；Therefore, it is also desirable on overcoming
State defect, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, the connection between throw-out collar 702 and elastic edge 703 be by be located at into
The hollow cylinder 704 in 7 outside of tracheae, the inside of hollow cylinder 704 is plugged with cylinder 705；Wherein, one end of cylinder 705 passes through compression
Spring is connect with hollow cylinder 704, and the other end is connect with elastic edge 703, and the quantity of hollow cylinder 704 is 9~12, this implementation is logical
That crosses hollow cylinder 704 and cylinder 705 is elastically engaged design, when elastic edge 703 is with rock face contact, the convex area of rock face
It can be contacted with the corresponding position of elastic edge 703, still, the corresponding position of the concave region of rock face and elastic edge 703 is also
Gap, throw-out collar 702 continue that elastic edge 703 is driven to move to rock face, and elastic edge 703 is contacted with the convex area of rock face
Corresponding position can drive compressed spring further to be compressed, until the corresponding position of the concave region of elastic edge 703 and rock face with
The concave region of rock face contacts, and then elastic edge 703 and the ratio not in contact with area of rock are controlled 15% hereinafter, mentioning
High dust-laying effect；By the elastic connection of hollow cylinder 704 and cylinder 705, elastic edge 703 and rock can will be greatly reduced
Gap between face, and then reduce the dust granule leaked out；In addition, being equipped with annular support plate between throw-out collar 702 and elastic edge 703
706, annular support plate 706 is socketed on the side of air inlet pipe 7, and the design of annular support plate 706 can pass through fixation hollow cylinder 704
End, and then the radial position of elastic edge 703 is controlled, it avoids separator tube 701 from contacting with drill bit 4 and leads to the generation damaged,
Avoid accidental loss.
Embodiment 2
With embodiment 1, except that: as shown in Figure 3 and Figure 5, it is additionally provided with the second supporting plate 2, screen drum 5 and material-gathering device
3, the second supporting plate 2 is arranged in parallel with the first supporting plate 1, and as support platform, one end of screen drum 5 and the first supporting plate 1 are rotatablely connected, separately
One end passes through the second supporting plate 2 and the teeth being arranged by outside engage connection with the gear that the opposite installation of the second supporting plate 2 is arranged in；
The inside of material-gathering device 3 is hollow structure, and screen drum 5 is located at the inside of material-gathering device 3, along the first supporting plate 1 to the second supporting plate 2
Direction, the side of screen drum 5 are successively arranged the first sieve pore and the second sieve pore, and the size of the second sieve pore is greater than the size of the first sieve pore,
Opposite first sieve pore in the inside of screen drum 5 is equipped with pushing spiral 502, and the inside of material-gathering device 3 is gathered materials chamber 301 by partition formation first
Gather materials chamber 302 with second；Wherein, first chamber 301 that gathers materials is correspondingly arranged with the first sieve pore, and second gathers materials chamber 302 and the second sieve pore
It is correspondingly arranged；First side for gathering materials chamber 301 is equipped with third and gathers materials chamber 303, and the first top of side wall for gathering materials chamber 301 is equipped with gas
Mouthful, dust exhaust apparatus is located at third and gathers materials chamber 303 at port position.
A kind of expansive concrete for Overlong Concrete Structure construction exists in the prior art, in ultra-long concrete knot
Structure can avoid indwelling post-cast strip in building construction process, accelerates construction progress, shortens the construction period, and no structural cracks improves structure
Overall stability, and can guarantee the waterproof quality of engineering, therefore there is unrivaled superiority, and by the dust in rock
Grain, which is collected and classifies, to use particles between 2~8mm it is discovered by experiment that working as the raw material of the concrete
Raw material of the dust granule as above-mentioned concrete when, effect is best；But it is a large amount of superfine due to existing in dust granule
The dust of particle will greatly destroy its component if the raw material for being directly used as above-mentioned concrete cannot be screened
The proportion of content, and then the performance of the concrete is adversely affected, the screen drum 5 used in the present embodiment sets for cylindrical shape
Meter, dust exhaust apparatus is ventilation blower 6, when dust is drawn in screen drum 5, screen drum 5 can by dust according to granular size sifting sort,
The dust of fines (i.e. particles be 2mm crusher dust below) can be directly drawn to third and gathered materials chamber by ventilation blower 6
303, classifying quality is reliable；Due to port be located at first gather materials chamber 301 side wall top, there are certain differences in height, cause
Fine grain dust is difficult to enter third and gathers materials in chamber 303, and compared with the prior art, ventilation blower 6 and 701 end of separator tube
The distance in portion is little, therefore, not high for the power requirement of ventilation blower 6, reduces production cost；The inside setting of screen drum 5 pushes away
Expect spiral 502, dust can be pushed into next target position, meanwhile, the design of pushing spiral 502 also contributes to turning over for dust
The dust for being clipped in internal fines is raised out in rolling, is conducive to ventilation blower 6 and is sucked third to gather materials chamber 303, is greatly improved
The reliability and filtering accuracy of device, are based on above scheme, and 99% or more of the fines dust in dust can be received
Collect and gathers materials chamber 303 into third.
It should be noted that screen drum 5 rotate it is too fast, it is difficult to the fine grained dust in dust is screened clean, influences to screen
Effect；Screen drum 5 rotated slowly, it will and cause working efficiency to reduce, meanwhile, the fugitive dust effect that will also result in dust rolling is unknown
It is aobvious, it causes the dust of fines not to be screened processing, the power part of drill bit is adversely affected；In addition, the second sieve pore
Aperture and the size in aperture of the first sieve pore also directly affect the partial size of fine grained dust, in order to by the oversized particles in dust
The dust granule for meeting requirement is screened and then is collected into, inventor is by a large amount of experiment discovery, pushing spiral 502
Screw pitch and the proportional region of internal diameter of screen drum 5 be (1:3~1:5), the revolving speed of screen drum 5 is 5~10rad/min, the second sieve pore
Aperture and the first sieve pore aperture ratio be (3~5): 1, wherein the aperture of the first sieve pore takes 7~8cm；It can be avoided
The occurrence of stating two kinds avoids dust to the adverse effect of 4 power part of drill bit, improves the use of filtering accuracy and drill bit
Service life；The ratio of the internal diameter of the screw pitch and screen drum 5 of pushing spiral 502 in the present embodiment is 1:4, and the revolving speed of screen drum 5 is 6rad/
The ratio in the aperture of min, the aperture of the second sieve pore and the first sieve pore is 3:1, wherein the aperture of the first sieve pore takes 7cm；By right
Dust, fine grained dust and the coarse granule dust for the fines being collected into are analyzed, before meeting higher working efficiency
It puts, screening precision improves 25%；Most importantly, first gathers materials in the fine grained dust being collected into chamber 301, grain
Dust granule accounting of the diameter between 2~8mm is up to 98.8% or more, does not have to any processing, can be used as above-mentioned concrete
Raw materials for production.
In addition, the inside of screen drum 5 gathers materials with respect to second chamber 302 be equipped with backstop 501, backstop 501 be it is columnar structured,
One end of backstop 501 and the end of screen drum 5 are fixed, and have gap between the inner wall and drill bit 4 of backstop 501；Due to thin
The dust of grain collect respectively in previous process by screening, and coarse grained dust is relatively difficult to enter drill bit 4 and backstop
In gap between 501, it can be avoided dust granule and enter the unfavorable shadow to drilling life of bit generated inside device
It rings, topology layout is reasonable.
Embodiment 3
A kind of construction method of highway green depositing dust environmental protection construction structure, using the highway green depositing dust ring in embodiment 2
Constructing structure is protected, here is the Specific construction explanation to tunnel immediately adjacent to bridge section deep foundation pit supporting structure.
A kind of construction method of highway green depositing dust environmental protection construction structure, the steps include:
A. existing to carry out operation to the scraggly rock of one side, throw-out collar 702 pushes the side of elastic edge 703 and rock
It is in close contact, wherein the ratio not in contact with area of elastic edge 703 and rock is less than 15%；
B. drill bit 4 carries out bore operation to rock, and dust exhaust apparatus is by the dust inspiration air inlet pipe 7 generated when drilling and enters
Into screen drum 5, screen drum 5 is rotated, and pushing spiral 502 pushes the direction of dust toward the second supporting plate 2, and fine grained passes through the first sieve pore
It falls into first to gather materials in chamber 301, the rotation of screen drum 5 helps to separate the fines in dust, and dust exhaust apparatus passes through
Wind-force, which collects fines into third, to gather materials in chamber 303, and coarse granule enters second by the second sieve pore and gathers materials in chamber 302；
C. the proportional region of the internal diameter of the screw pitch and screen drum 5 of the pushing spiral 502 in step b is 1:4, the revolving speed of screen drum 5
For 8rad/min.
It can be seen that such construction method, which can satisfy, meets environmentally protective construction requirement, it is convex especially for rock face
The situation of recessed injustice, it is especially suitable, and have many advantages, such as that construction efficiency is high, dust-laying effect is good and screening is gathered materials precision is high.
Example of the present invention is only that preferred embodiments of the present invention will be described, not to present inventive concept and
Range is defined, and under the premise of not departing from design philosophy of the present invention, this field engineers and technicians are to technology of the invention
The various changes and improvements that scheme is made should all fall into protection scope of the present invention.
Claims (6)
1. a kind of construction method of highway green depositing dust environmental protection construction structure, it is characterised in that:
Its used highway green depositing dust environmental protection construction structure, including drill bit (4), intermediate be equipped with can allow drill bit (4) to be inserted freely into
Through-hole the first supporting plate (1)；The side of first supporting plate (1) is equipped with internal diameter and the identical air inlet pipe of through-hole (7)；It is described
Air inlet pipe (7) one end be connected on the through-hole of the first supporting plate (1), air inlet pipe (7) other end is connected with separator tube (701), institute
Separator tube (701) other end stated is connected with elastic edge (703)；Throw-out collar is socketed on the outside of the air inlet pipe (7)
(702)；The throw-out collar (702) is for pushing elastic edge (703)；Further include dust exhaust apparatus, the dust exhaust apparatus with into
The inner space of tracheae (7) is connected；Connection between the throw-out collar (702) and elastic edge (703) is by being located at air inlet
Manage the hollow cylinder (704) on the outside of (7)；The inside of the hollow cylinder (704) is plugged with cylinder (705)；Wherein, cylinder (705)
One end connect with hollow cylinder (704) by compressed spring, the other end is connect with elastic edge (703)；
The construction method, the steps include:
One, when carrying out operation to the scraggly rock of one side, throw-out collar (702) pushes elastic edge (703) and rock
Side is in close contact, wherein the ratio not in contact with area of elastic edge (703) and rock is less than 15%；
Two, there are the second supporting plate (2) with the first supporting plate (1) parallel arrangement, and be provided with screen drum (5) between the two, along first
For plate (1) to the direction of the second supporting plate (2), the side of screen drum (5) is successively arranged the first sieve pore and the second sieve pore, screen drum (5) inside
Opposite first sieve pore is equipped with pushing spiral (502), the inside of material-gathering device (3) by partition formation first gather materials chamber (301) and
Second gathers materials chamber (302)；Wherein, first chamber (301) that gathers materials is correspondingly arranged with the first sieve pore, and second gathers materials chamber (302) and second
Sieve pore is correspondingly arranged, and the first side for gathering materials chamber (301) is equipped with third and gathers materials chamber (303), the first side wall for gathering materials chamber (301)
Top is equipped with port, and dust exhaust apparatus is located at third and gathers materials chamber (303) at port position；Drill bit (4) drills to rock
Operation, dust exhaust apparatus is by the dust inspiration air inlet pipe (7) generated when drilling and enters in screen drum (5), and screen drum (5) rotation pushes away
Material spiral (502) pushes the direction of dust toward the second supporting plate (2), and fine grained falls into first by the first sieve pore and gathers materials chamber
(301) in, the rotation of screen drum (5) helps to separate the fines in dust, and dust exhaust apparatus will be superfine by wind-force
Powder collection gathers materials into third in chamber (303), and coarse granule enters second by the second sieve pore and gathers materials in chamber (302)；
The proportional region of the internal diameter of the screw pitch and screen drum (5) of pushing spiral (502) in three, step b is (1:3) ~ (1:5), sieve
The revolving speed of cylinder (5) is 5 ~ 10 rad/min.
2. a kind of construction method of highway green depositing dust environmental protection construction structure according to claim 1, it is characterised in that: institute
The quantity for the hollow cylinder (704) stated is 9 ~ 12.
3. a kind of construction method of highway green depositing dust environmental protection construction structure described according to claim 1 ~ any one of 2,
It is characterized by: one end of the screen drum (5) and the first supporting plate (1) are rotatablely connected, the other end passes through the second supporting plate (2) and leads to
It crosses the teeth that outside is arranged and engages connection in the second supporting plate (2) opposite gear installed with setting.
4. a kind of construction method of highway green depositing dust environmental protection construction structure according to claim 3, it is characterised in that: institute
The dust exhaust apparatus stated is ventilation blower (6).
5. a kind of construction method of highway green depositing dust environmental protection construction structure according to claim 3, it is characterised in that: institute
The size for the second sieve pore stated is greater than the size of the first sieve pore.
6. a kind of construction method of highway green depositing dust environmental protection construction structure according to claim 3, it is characterised in that: institute
The inside for the screen drum (5) stated gathers materials chamber (302) with respect to second equipped with backstop (501)；The backstop (501) is cylindrical shape
Structure；One end of the backstop (501) and the end of screen drum (5) are fixed；The inner wall and drill bit of the backstop (501)
(4) there is gap between.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811086781.5A CN109162654B (en) | 2018-09-18 | 2018-09-18 | A kind of highway green depositing dust environmental protection construction structure and its construction method |
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| CN201811086781.5A CN109162654B (en) | 2018-09-18 | 2018-09-18 | A kind of highway green depositing dust environmental protection construction structure and its construction method |
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| CN109162654B true CN109162654B (en) | 2019-09-20 |
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| CN112302531A (en) * | 2020-10-22 | 2021-02-02 | 海南中润大建筑工程有限公司 | Construction device for improving earthquake resistance of building and use method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2491179Y (en) * | 2001-05-25 | 2002-05-15 | 王茂生 | Electric tool dust collector |
| CN204093701U (en) * | 2014-07-07 | 2015-01-14 | 胡涛 | A kind of material screening machinery adopting screw classifying hole blade |
| CN206936441U (en) * | 2017-07-22 | 2018-01-30 | 广州汉威装饰工程有限公司 | One kind punching dust arrester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2192261B1 (en) * | 2008-11-27 | 2018-05-23 | HILTI Aktiengesellschaft | Method for anchoring an attachment element |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2491179Y (en) * | 2001-05-25 | 2002-05-15 | 王茂生 | Electric tool dust collector |
| CN204093701U (en) * | 2014-07-07 | 2015-01-14 | 胡涛 | A kind of material screening machinery adopting screw classifying hole blade |
| CN206936441U (en) * | 2017-07-22 | 2018-01-30 | 广州汉威装饰工程有限公司 | One kind punching dust arrester |
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