CN108643066B - Windproof dust suppression net for traffic engineering construction - Google Patents
Windproof dust suppression net for traffic engineering construction Download PDFInfo
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- CN108643066B CN108643066B CN201810464926.4A CN201810464926A CN108643066B CN 108643066 B CN108643066 B CN 108643066B CN 201810464926 A CN201810464926 A CN 201810464926A CN 108643066 B CN108643066 B CN 108643066B
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- windproof
- suppression net
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/04—Fixed devices, e.g. permanently- installed flushing means
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a windproof and dust-suppression net for traffic engineering construction, which effectively solves the problem that the conventional windproof and dust-suppression net is troublesome to mount and dismount; a vertical windproof dust suppression net is arranged in the mounting groove in a sliding manner, the lower end of the windproof dust suppression net is arranged in the mounting groove, and the structure of the windproof dust suppression net is matched with that of the mounting groove; the two end walls of the windproof dust suppression net are respectively provided with an insertion block and an insertion groove; a pair of rotating blocks which rotate in the inserting groove respectively are arranged in the inserting groove; the invention has the advantages of ingenious structure, simple installation, convenient movement, difficult toppling, stability, firmness and no rotation.
Description
Technical Field
The invention relates to the technical field of traffic construction, in particular to a windproof and dust suppression net for traffic engineering construction.
Background
The windproof dust suppression net is processed into a windproof dust suppression wall with a certain geometric shape, an aperture ratio and different aperture shapes according to the implementation of the wind tunnel experiment result of the field environment by utilizing the aerodynamic principle, so that when circulating air (strong wind) passes through the wall from the outside, airflow which is interfered up and down is formed on the inner side of the wall to achieve the effects of strong wind at the outer side, weak wind at the inner side, small wind at the outer side and no wind at the inner side, thereby preventing dust from flying. The windproof and dust suppression net can be divided into a flexible windproof and dust suppression net and a rigid windproof and dust suppression net, namely a net shape and a plate shape which are commonly seen.
The dust raise of traffic engineering construction site is serious, in order to prevent it from polluting the construction peripheral environment, mostly set up in the construction site edge position and prevent wind and press down the dirt net, and the current net of preventing wind and pressing down the dirt has following shortcoming:
1. the windproof dust suppression net is generally arranged at the edge of a traffic construction site, so that the windproof dust suppression net is easy to damage, but the windproof dust suppression net is generally in hard fixed connection, so that the maintenance and replacement of the windproof dust suppression net are troublesome, and meanwhile, the traditional windproof dust suppression net is singly or fixedly connected in rows in a bolt and welding mode, so that the installation is very troublesome.
2. The connection between every two windproof dust suppression nets is movably placed together or fixed through bolts, so that the windproof dust suppression nets are low in overall strength and easy to crash.
3. Since the wind-proof dust suppression net is placed at the edge, it is subject to external impact (e.g., traffic accident) or shaking of wind, while the conventional wind-proof dust suppression net is only a simple plate shape and has no reinforcing and supporting force.
4. The existing windproof dust suppression net is provided with a row of spray heads which spray in a fixed direction above the windproof dust suppression net, and multi-directional spraying cannot be realized.
5. The existing windproof dust suppression net only has a spray head above the windproof dust suppression net, so that the water filtering effect of the whole windproof dust suppression net is not good, and sand dust passing through the whole windproof dust suppression net cannot be sprayed.
6. The existing windproof dust suppression net does not carry out other treatment except water filtration, the pollution of a traffic construction site is serious, air directly enters the outside after passing through the windproof dust suppression net, and the air of a city or a village and a town is seriously polluted, so that an environment quality department strictly controls the construction and traffic construction operation environment.
On the basis, the invention provides a novel windproof dust suppression net to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the windproof and dust suppression net for traffic engineering construction, and the windproof and dust suppression net effectively solves the problems that the existing windproof and dust suppression net is single in structure, troublesome to mount and dismount and poor in dust filtering effect.
The anti-rotation device is technically characterized by comprising a plurality of bottom shells, wherein each bottom shell is provided with a mounting groove, each mounting groove comprises a T-shaped groove, vertical stop blocks are arranged on two sides in each T-shaped groove, the bottoms of two ends of each T-shaped groove are integrally connected with a first triangular fixture block, triangular first anti-rotation grooves are arranged at the tops of two ends of each T-shaped groove, each first anti-rotation groove is arranged on the outer side of each first triangular fixture block, triangular second anti-rotation grooves are arranged on two side walls of each T-shaped groove, triangular third anti-rotation grooves are arranged on the inner sides of the vertical stop blocks, and the second anti-rotation;
a vertical windproof dust suppression net is arranged in the mounting groove in a sliding manner, the lower end of the windproof dust suppression net is arranged in the mounting groove, and the structure of the windproof dust suppression net is matched with that of the mounting groove;
the two end walls of the windproof dust suppression net are respectively provided with an insertion block and an insertion groove;
the inserting block is formed by integrally connecting a trapezoidal block, a first rectangular block, a second rectangular block, an inverted trapezoidal block and a rectangular strip from top to bottom in sequence, and the transverse lengths of the first rectangular block, the second rectangular block, the inverted trapezoidal block and the rectangular strip are sequentially reduced, so that inward clamping corners are arranged at the first rectangular block and the second rectangular block, and the inverted trapezoidal block is inclined downwards;
a pair of rotating blocks which rotate in the inserting groove respectively are arranged in the inserting groove;
the splicing blocks of every two adjacent windproof dust suppression nets can be movably spliced in the rotating block.
Preferably, an L-shaped reinforcing plate connected with the windproof dust suppression net is arranged above the bottom shell, one end of the reinforcing plate is integrally connected with the windproof dust suppression net, the other end of the reinforcing plate is in sliding connection with the bottom shell, an anti-falling plate integrally connected with the bottom shell is arranged above the T-shaped groove, the upper end of the anti-falling plate is in contact with the reinforcing plate, and a torsion spring is sleeved on a rotating shaft of the rotating block.
Preferably, the rear side of the windproof dust suppression net is fixed with a plurality of fixed columns, the upper ends of the fixed columns are fixed with a pressing plate arranged on the windproof dust suppression net, the fixed columns are movably sleeved with support columns, the integral rear sides of the support columns are connected with support bars protruding outwards, the front sides of the support columns are integrally connected with a pressing plate capable of penetrating the windproof dust suppression net, the ends of the pressing plate are rotatably connected with pressing strips capable of pressing the windproof dust suppression net, the outer sides of the support columns are provided with cam pressing blocks sleeved on the fixed columns, the upper ends of the cam pressing blocks can be extruded with the pressing plate, and the cam pressing blocks are integrally connected with rotating strips.
Preferably, be fixed with the first pillar of vertical setting on the drain pan, the movable sleeve is equipped with the horizontal second pillar that can move from top to bottom above that on the first pillar, the movable sleeve is equipped with the first slider that can lateral motion above that on the second pillar, first slider rotates and is connected with the switching piece, switching piece an organic whole is connected with the dwang, fixed cover is equipped with the sleeve on the dwang, the dwang can slide in the sleeve, be equipped with the first spring of cover on the dwang between sleeve and the switching piece, the sleeve is connected with first pivot through the transition piece, first pivot is connected with first driving motor, demountable installation has the sprinkler head on the first slider, the sprinkler head has the water supply through water piping connection.
Preferably, two symmetrical water containing tanks are fixed at the upper end of the front side surface of the windproof dust suppression net, a first electromagnetic valve is arranged on the lower end surface of each water containing tank, a first electromagnetic valve switch is arranged on the inner side wall of each water containing tank, the first electromagnetic valve switch can control the opening and closing of the first electromagnetic valve, a water flowing groove which inclines outwards is arranged below each water containing tank, a water receiving groove which is arranged in the reinforcing plate is arranged below each water flowing groove, a driving block which can move up and down on the windproof dust suppression net is arranged between the two water containing tanks, and the up-and-down movement of the driving block can contact the first electromagnetic valve switch, thereby realize opening and closing first solenoid valve, the top of containing the water tank is equipped with fixed pulley and fixed sliding post respectively, and the drive block is vertically connected with the water receiving bucket that can arrange in the water receiving tank behind fixed sliding post, the fixed pulley of both sides, the fixed pulley is walked around respectively through two wire rope, and the top of containing the water tank is equipped with arranges the column of turning over of water receiving bucket top in.
Preferably, prevent wind and press down the gliding slide of dust screen top an organic whole and be connected with and supply the drive block, prevent wind and press down two belt pulleys that are connected through first belt on the rear side of dust screen, be fixed with the removal round pin on the first belt, the rear side of drive block transversely is fixed with the spacing groove that has the rectangle frame, and the removal round pin is arranged in the spacing groove and can be removed in the spacing groove, and one of them belt pulley connection second driving motor, and the wire rope outside is equipped with the screening glass of fixing on the fixed pulley.
Preferably, the upper end of the water storage tank is provided with a water storage tank fixed on the windproof dust suppression net, the lower end face of the water storage tank is provided with a second electromagnetic valve, the rear side wall of the water storage tank is provided with a second electromagnetic valve switch, the windproof dust suppression net is fixedly provided with a grooved pulley arranged on the rear side of the water storage tank, the side of the grooved pulley is matched with a swing rod fixed on the windproof dust suppression net, the grooved pulley is fixedly provided with two triggering columns capable of contacting with the second electromagnetic valve, the two swing rods are in transmission connection through a second belt, and one swing rod is connected with a third driving motor.
Preferably, the lower end of the windproof dust suppression net is provided with a vent, a fan is fixedly mounted on the rear side of the vent, a separator is fixedly mounted on the rear side of the fan and comprises a conical shell, an air inlet and an air outlet are formed in the separator, a reversing pipe with two through ends is arranged on a center shaft in the separator, spiral blades capable of rotating inside the separator are arranged on the outer side of the reversing pipe, the spiral blades are connected with a driving device, a first reversing plate arranged in the separator is mounted at the upper end of the air inlet, a second reversing plate arranged in the separator is mounted at the lower end of the air outlet, a reversing bin communicated with the air outlet is reserved above the reversing pipe, a liquid distribution plate arranged in the separator is fixed below the reversing pipe, a liquid collection filter is arranged below the liquid distribution plate, and an automatic water drain valve is mounted below the liquid collection filter.
Preferably, the inner side wall of the ventilation opening is provided with a plurality of nozzles facing to the center, and the nozzles are communicated with an external water inlet pipe through a pipeline arranged in the windproof dust suppression net.
The invention has smart structure and obvious advantages:
1. the installation is simple, the movement is convenient, the falling is not easy, the stability is firm and the rotation is not easy, no bolt or welding is used, the operation is simple, and the appearance is attractive.
2. The insertion block and the insertion groove have the advantages of convenience in connection and quickness in disassembly, the integral firmness is enhanced, and the insertion block and the insertion groove are easy to separate.
3. The windproof dust suppression net is further fixed and supported through the cam pressing blocks and the supporting strips, any bolt or welding is not needed, the use is convenient, and the disassembly is simple.
4. The spraying heads realize the reciprocating circular water spraying of the windproof dust suppression net instead of the simple water spraying in a single direction, and one spraying head replaces a plurality of spraying heads, so that the spraying efficiency is good and the cost is low.
5. The water fall circulation of the windproof dust suppression net is completed through the water receiving barrel, the water containing tank, the water flowing groove and the water receiving groove, the air quality is further purified, the purification efficiency is better, water can be recycled, the appearance is attractive, and the ornamental value can be increased.
6. Through the untimely supply of sheave mechanism, avoid the waste of water resource.
7. Through the separation of separator, further purify air quality, and separate solid-state and liquid-state, guarantee environmental quality.
8. The air entering the separator is further purified through the spray head of the ventilation opening, and the purification efficiency is high.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
Fig. 2 is a perspective view of the overall structure of the present invention.
Fig. 3 is a front view of the overall structure of the present invention.
Fig. 4 is a rear view of the overall structure of the present invention.
FIG. 5 is a perspective view of the bottom case and the mounting groove of the present invention.
FIG. 6 is a perspective view of the lower end of the windproof and dust suppression net of the present invention.
FIG. 7 is a front view of the lower end of the windproof and dust suppression net of the present invention.
FIG. 8 is a complete flow chart of the present invention for the mating of the socket and the socket block.
Fig. 9 is a schematic view of the overall structure of the fixing column, the supporting column and the cam pressing block of the invention.
Fig. 10 is a perspective view of the fixing column, the supporting column and the cam pressing block of the present invention.
Fig. 11 is a perspective view illustrating the operation principle structure and the overall structure of the sprinkler head according to the present invention.
FIG. 12 is a schematic view of the water tank, the water flowing channel, the water receiving channel and the water receiving bucket of the present invention in an integral structure.
Fig. 13 is a schematic view of the geneva gear of the present invention in a unitary construction.
Figure 14 is a schematic perspective view of the separator of the present invention and in an overall configuration.
Figure 15 is a schematic front view of the separator of the present invention and in an overall configuration.
FIG. 16 is a schematic view of the internal principle of the separator of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 16. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The directional phrases used in this invention include, for example: medial, lateral, transverse, vertical, transverse lengths, etc. are used with reference to the directions shown in the drawings of the specification.
In the first embodiment, the invention relates to a wind-proof and dust-suppression net for traffic engineering construction, which is a prior art, and can be divided into two types according to the material, one type is a soft gauze type and the other type is a hard material plate type, the invention uses a hard material dressing type wind-proof and dust-suppression net, in order to facilitate the installation of the wind-proof and dust-suppression net, the invention comprises a plurality of bottom shells 1, each bottom shell 1 is corresponding to a wind-proof and dust-suppression net 9, the bottom shells 1 are fixed on the ground by bolts or buried on the ground when being installed, an installation groove 2 is arranged on the upper end surface of the bottom shells 1, the integral structure of the installation groove 2 is a T-shaped groove 3 and is mainly used for placing the wind-proof and dust-suppression net 9, therefore, the upper end opening of the T-shaped groove 3 is communicated with the outside, vertical stop blocks 4 are arranged in the T-shaped groove 3 in the two sides by taking the middle as the symmetry direction, the lower end of the T-shaped groove is not contacted with the bottom wall of the T-shaped groove 3, the bottom walls of the two side ends of the T-shaped groove 3 are integrally connected with a first triangular clamping block 5, the first triangular clamping block 5 is arranged at the inner side of the vertical baffle 4, triangular first anti-rotation grooves 6 are further formed in the tops of the two ends of the T-shaped groove 3, the first anti-rotation grooves 6 are arranged on the outer sides of the first triangular clamping blocks 5, triangular second anti-rotation grooves 7 are formed in the two side walls of the T-shaped groove 3, triangular third anti-rotation grooves 8 are formed in the inner sides of the vertical baffles 4, the second anti-rotation grooves 7 and the third anti-rotation grooves 8 are not on the same horizontal plane, the wind-proof dust suppression net 9 which can transversely slide in the mounting groove 2 is arranged in the mounting groove in a sliding way, the lower end of the wind-proof dust suppression net 9 is movably arranged in the mounting groove 2, and the structure of the position is the same as the shape and the structure of the mounting groove 2, and finally the windproof and dust suppression net 9 can be inserted in the mounting groove 2 and move.
When the windproof dust suppression net 9 is inserted into the mounting groove 2, the dimension of the mounting groove 2 needs to be slightly larger than the windproof dust suppression net 9 so that the windproof dust suppression net 9 can be installed, and thus, a slightly larger space can cause the windproof dust suppression net 9 to move in the mounting groove, which is not so firm, especially, after long-time use, the windproof dust suppression net 9 can shake in the mounting groove 2 due to the action of wind power or external force on the windproof dust suppression net 9, and considering that the shaking track generated by the windproof dust suppression net 9 can be circular motion, that is, the windproof dust suppression net 9 can easily rotate at four corners of the T-shaped groove 3, the first triangular fixture block 5 added at first can well limit the radius of the possible rotation track, so that the left side of the windproof dust suppression net 9 is less prone to rotate anticlockwise, and the right side is less prone to rotate clockwise, and then the vertical baffle 4 is arranged outside the first triangular fixture block 5, this vertical baffle 4 can be fine reduction prevent wind and press down dirt net 9's left side has clockwise rotation trend, the right side has anticlockwise movement trend, thereby greatly reduced prevents wind the rotation orbit that presses down dirt net 9, first anti-rotating groove 6 and second anti-rotating groove 7, third anti-rotating groove 8 is triangle-shaped, can effectively reduce prevent wind and press down dirt net 9 rocking and rotating at mounting groove 2, and first triangle fixture block 5 does not correspond from top to bottom with first anti-rotating groove 6, second anti-rotating groove 7 does not correspond about with third anti-rotating groove 8, thereby further reduce prevent wind and press down the possibility that dirt net 9 probably produced and rock.
The first triangular clamping block 5, the first anti-rotation groove 6, the second anti-rotation groove 7 and the third anti-rotation groove 8 are close to the corners in the T-shaped groove 3, so that the movement amount of the corner positions is reduced, and the corner positions are the positions which are most prone to shaking and rotating, so that shaking or rotating of the windproof and dust suppression net 9 can be greatly reduced.
The windproof dust suppression net 9 is arranged behind the bottom shell 1, two adjacent windproof dust suppression nets 9 are connected through the insertion groove 11 and the insertion block 10, the insertion groove 11 and the insertion block 10 are respectively arranged at two ends of the windproof dust suppression net 9, the connection mode does not need to be fixed by bolts, a plurality of windproof dust suppression nets 9 can be connected into a whole, the stability is improved, the disassembly and the assembly are very convenient, the assembly and the disassembly can be completed only by pushing and pulling, and particularly, when the windproof dust suppression net 9 is maintained, the windproof dust suppression nets which are fixed hard do not need to be disassembled one by one.
The specific structure is that, the shape of grafting piece 10 is from last to forming for trapezoidal piece 12, first rectangular piece 13, second rectangular piece 14, inverted trapezoidal piece 15, rectangle strip 16 body coupling down in proper order, and wherein horizontal length reduces gradually to first rectangular piece 13 and second rectangular piece 14 department have formed card angle 17, inverted trapezoidal piece 15 is the slope of inside slope, and inserting groove 11 is equipped with a pair of turning block 18, leaves the clearance between two turning blocks 18, can supply grafting piece 10 to get into.
When the wind-proof dust suppression net 9 is specifically plugged, the plugging block 10 is driven to move towards the inside of the plugging groove 11, the trapezoidal block 12 of the plugging block 10 firstly props against one side of the rotating blocks 18 on the two sides to move forwards, after the rotating blocks 18 rotate, the plugging block 10 enters the rotating blocks 18, when the corners of the rotating blocks 18 are arranged below the clamping corners 17, connection is completed, the plugging block 10 is pulled backwards at the moment, the first rectangular block 13 is propped against by the corners of the rotating blocks 18, and the rotation of the rotating blocks 18 is blocked by the second rectangular block 14, so that the rotating blocks 18 cannot rotate, and the plugging block 10 is fixed in the plugging groove 11;
when disassembly is required, the plugging block 10 is pushed forwards continuously, the second rectangular block 14 moves forwards, the corner of the rotating block 18 slides against the second rectangular block 14, when the plugging block 10 moves to the inward slope of the inverted trapezoid block 15, namely the corner of the rotating block 18 is arranged at the slope of the inverted trapezoid block 15, the plugging block 10 is pulled backwards, the slope of the inverted trapezoid block 15 presses the rotating block 18 backwards to rotate in the opposite direction, and at the moment, the length of the rectangular strip 16 is smaller than the transverse length of the inverted trapezoid block 15, so that the rotating block 18 can rotate backwards, the plugging block 10 presses the rotating block 18 to move in the opposite direction, and the plugging block 10 is separated from the plugging groove 11.
In the second embodiment, on the basis of the first embodiment, the reinforcing plates 19 disposed at two sides of the windproof and dust-suppression net 9 are disposed above the bottom case 1, the reinforcing plates 19 are L-shaped, one end of the reinforcing plate 19 is fixedly connected with the windproof and dust-suppression net 9, the other side of the reinforcing plate 19 is slidably connected to the upper end surface of the bottom case 1, the fixing portion of the windproof and dust-suppression net 9 is disposed at the lower end, the dustproof and dust-suppression net 9 is more stable only when the height of the fixing portion is higher, so that the anti-falling plate 20 for disposing the windproof and dust-suppression net 9 therein is integrally connected to the upper opening of the T-shaped groove 3, the height of the anti-falling plate 20 can effectively prevent the windproof and dust-suppression net 9 from falling, the upper end of the anti-falling plate 20 is disposed in the L-shaped reinforcing plate 19 and contacts with the reinforcing plate 19, and the rotating shaft of the rotating block.
In the third embodiment, on the basis of the first embodiment, a plurality of fixing posts 22 are fixed at the lower end of the rear side of the windproof dust suppression net 9, a pressing plate 23 disposed above the windproof dust suppression net 9 is fixed above the fixing posts 22, a supporting post 24 is movably sleeved on each fixing post 22, the lower end of each supporting post 24 is integrally connected with a supporting bar 25, each supporting bar 25 is in a radian shape and protrudes outward, the front side of each supporting post 24 is integrally connected with a pressing plate 26 capable of penetrating through the windproof dust suppression net 9, each pressing plate 26 can penetrate through a through hole of the windproof dust suppression net 9, then a pressing bar 27 capable of pressing against the windproof dust suppression net 9 is rotatably connected to the end of each pressing plate 26, a cam pressing block 28 sleeved on each fixing post 22 is arranged on the outer side of each supporting post 24, each cam pressing block 28 has a self-locking function, each cam pressing block 28 is in contact with the pressing plate 23 when rotating to complete the self-, a rotating bar 208 is integrally connected to the cam hold-down 28.
When the windproof and dust-suppression device is used specifically, the supporting column 24 is sleeved on the fixing column 22, the pressing plate 26 on the supporting column 24 passes through the through hole of the windproof and dust-suppression net 9 to the front side surface of the windproof and dust-suppression net 9, then the pressing bar 27 is rotated to press the pressing bar 27 against the front side surface of the windproof and dust-suppression net 9, the length of the pressing plate 26 can be set according to the thickness of the windproof and dust-suppression net 9, one end of the supporting bar 25 can be fixed on the ground or embedded under the ground through a pressing ring or a fixing block, then the cam pressing block 28 is sleeved on the fixing column 22, the cam pressing block 28 presses the supporting column 24 forward, the rotating bar 208 is rotated, the cam pressing block 28 follows the structural principle of the cam itself, when contacting the pressing plate 23, the cam pressing block 28 is close to the pressing plate 23, then along with the rotation of the cam pressing block 28, the cam pressing block 28 will press the pressing, self-locking of the cam hold down 28 is accomplished.
Fourth embodiment, on the basis of the first embodiment, a first pillar 29 vertically arranged is fixed on the bottom case 1, a horizontal second pillar 30 is movably sleeved on the first pillar 29, the second pillar 30 can move up and down on the first pillar 29, a first slider 31 capable of moving transversely on the second pillar 30 is movably sleeved on the second pillar 30, the first slider 31 can only move on the second pillar 30, two ends of the second pillar 30 are provided with a retaining ring, so that the first slider 31 cannot be separated from the second pillar 30, the first slider 31 is rotatably connected with a transition block 32, the transition block 32 is integrally connected with a rotating rod 33, a sleeve 34 is fixedly sleeved on the rotating rod 33, but the rotating rod 33 can slide in the sleeve 34, a first spring 35 on the rotating rod 33 is arranged between the sleeve 34 and the transition block 32, the sleeve 34 is connected with a first rotating shaft 37 through a transition block 36, the sleeve 34 rotates along with the rotation of the first rotating shaft 37, the first rotating shaft 37 is connected with a first driving motor, the first driving motor is connected with a power supply provided by a traffic road construction site, the first sliding block 31 is detachably provided with the sprinkler 38, the sprinkler 38 moves along with the movement of the first sliding block 31, the movement track of the first sliding block 31 is rectangular but does not rotate, therefore, the sprinkler 38 arranged on the first sliding block does not generate the problem of water pipe winding, the water pipe only follows the movement from the left end to the right end, the movement distance is not large, only a part of water pipe needs to be reserved, furthermore, because the sprinkler 38 arranged on each wind and dust prevention net 9 can require more water pipes, according to the requirements of construction environment and construction department, if the requirements of construction environment or the capability of construction department, the water pipe spraying can be selected to be arranged on each wind and dust prevention net 9, if not necessary, the arrangement can be selected at intervals, namely, the arrangement can be carried out at intervals, so that the arrangement is the same as that of a long row of spray heads arranged on the wind-proof dust suppression net in the conventional construction site, and no waste is caused due to the requirement of the construction site.
When the water supply device is installed, a water pipe is detachably installed on the sprinkler 38, the other end of the water pipe is connected with a water supply source of a traffic construction site, the water supply source can be an underground water faucet, a water storage tank can be added with a pressure pump according to needs, the power supply of the first driving motor is provided by the construction site, the sprinkler 38 is in the prior art, the sprinkling power can provide the pressure pump according to needs, the first driving motor drives the sleeve 34 to rotate through the first rotating shaft 37, the sleeve 34 enables the rotating rod 33 to rotate, the rotating rod 33 drives the first sliding block 31 to move transversely on the second support column 30, the rotating rod 33 can stretch in the sleeve 34 due to the transverse movement of the first sliding block 31, the first spring 35 is used for providing stabilizing force and restoring force during stretching, when the first sliding block 31 moves to the end of the second support column 30, the second support column 30 is driven to move vertically on the first support column 29, and the track of the first sliding block 31 is, thus, the sprinkler head 38 will follow the dust and dust suppression net 9 to achieve a reciprocating sprinkling.
In the fifth embodiment, on the basis of the second embodiment, the left and right water tanks 39 are fixed above the front side surface of the wind-proof dust suppression net 9, the bottom surface of the water tank 39 is provided with an electric first electromagnetic valve, the first electromagnetic valve is controlled by a first electromagnetic valve switch 40 arranged on the side wall of the water tank 39, and the power supply depends on the internal storage battery or the external power supply, for the present invention, only the switch of the first electromagnetic valve is controlled, so that only the internal storage battery is needed, the water flowing tank 41 is arranged below the water tank 39, the water flowing tank 41 is fixed at the lower end of the front side surface of the wind-proof dust suppression net 9, the water flowing tank 41 inclines downwards to two sides, the water receiving tank 42 arranged in the reinforcing plate 19 is arranged below the water flowing tank 41, the driving block 43 capable of moving up and down on the wind-proof dust suppression net 9 is arranged between the two water tanks 39, and the driving block 43 can touch the first electromagnetic valve switch 40 when moving, the first electromagnetic valve can be opened and closed during reciprocating motion, a fixed pulley 44 and a fixed sliding column 45 are respectively fixed at two ends above the water containing tank 39, a steel wire rope 46 is fixed on the driving block 43, and the steel wire rope 46 passes through the transverse fixed sliding column 45 and the fixed pulley 44 and then is vertically connected to a water containing barrel 47 arranged in the water containing groove 42.
During the operation, water is stored in the water containing tank 39, at the moment, the driving block 43 moves upwards from the lower part, when the driving block 43 touches the first electromagnetic valve switch 40, the first electromagnetic valve is opened, the water in the water containing tank 39 freely falls down to the water flowing groove 41 to form a water waterfall, the purification and filtration of dust are increased, the dustproof and dust suppression net 9 forms an intermittent water waterfall, then the water flows downwards from the water flowing groove 41 to the water receiving bucket 47 of the water receiving groove 42 in an inclined way, when the driving block 43 moves downwards from the upper part, the driving block 43 touches the first electromagnetic valve switch 40 again, the first electromagnetic valve of the water containing tank 39 is closed, the driving block 43 pulls the steel wire rope 46 downwards, the steel wire rope 46 drives the water receiving bucket 47 to rise through the fixed pulley 44 and the fixed sliding column 45, when the water receiving bucket 47 touches the turning column 48, the turning direction makes the water receiving bucket 47 point to the water containing tank 39, finally, water in the water receiving barrel 47 is turned over and flows into the water containing tank 39, when the water receiving barrel 47 is not in contact with the fixed pulley 44, the driving block 43 moves upwards, so that the water receiving barrel 47 starts to move downwards, at the moment, the driving block 43 moves upwards and is not in contact with the first electromagnetic valve switch 40, only after the water receiving barrel 47 is placed in the water receiving groove 42, the driving block 43 contacts the first electromagnetic valve switch 40 again, and the front side surface of the dustproof dust suppression net 9 forms a reciprocating water waterfall movement.
Sixth embodiment, on the basis of the fifth embodiment, in order to ensure the normal reciprocating motion of the driving block 43, a slideway 49 capable of making the driving block 43 move up and down is integrally connected above the windproof dust suppression net 9, two belt pulleys 51 arranged up and down are fixed on the rear side surface of the windproof dust suppression net 9, the two belt pulleys 51 are driven by a first belt 50, wherein a moving pin 52 is fixed at one end of the first belt pulley 51, a moving block is integrally fixed on the rear side of the driving block 43 in the transverse direction, a limiting groove 53 with a rectangular frame is formed on the moving block, the moving pin 52 moves in the limiting groove 53, the moving pin 52 can push the driving block 43 to move up and down when moving to the two ends of the belt pulleys 51, the moving pin can move in the limiting groove 53 to complete steering so as to realize reciprocating motion, one of the belt pulleys 51 is connected with a second driving motor, in order to ensure that the wire rope 46 does not separate from the, a protective sheet 54 is provided at a portion where the fixed sheave 44 contacts the wire rope 46 to prevent the wire rope 46 from coming off.
When the dust-proof and dust-suppression net is used, the second driving motor is started, the power supply of the second driving motor is provided by the power supply of a traffic engineering construction site, the belt pulley 51 is driven by the first belt 50, the moving pin 52 on the first belt pulley 51 pushes the limiting groove 53 to drive the driving block 43 to move up and down, when the moving pin 52 moves two ends of the belt, the moving pin 52 moves in the limiting groove 53, so that the driving block 43 is moved in the reverse direction, and finally the driving block 43 reciprocates, and the slide way 49 is integrally connected above the dust-proof and dust-suppression net 9 because the first electromagnetic valve is opened after the driving block 43 touches the first electromagnetic valve switch 40 when moving to the upper end, at the moment, the water in the water containing tank 39 begins to fall downwards, and the water flows into the water flowing groove 41 firstly and does not flow into the water receiving bucket 47, because the position of the water containing tank 39 is higher, and if the driving block 43 begins to turn downwards, the water receiving barrel 47 may be directly moved upwards, and at this time, the water in the water flowing groove 41 does not necessarily flow to the water receiving barrel 47 completely, so that the slide way 49 is lengthened at the upper end of the wind-proof and dust-suppression net 9, the slide way 49 may provide sufficient time for the water in the water flowing groove 41 to flow to the water receiving barrel 47, and when the driving block 43 moves downwards, the water in the water flowing groove 41 flows to the water receiving barrel 47 completely, and furthermore, if the driving block 43 moves downwards, the steel wire rope 46 may be attached to the fixed pulley 44, but when the slide way 49 is higher, the driving block 43 moves to a height higher than the fixed pulley 44, the steel wire rope 46 may be detached from the fixed pulley 44, so that the protective sheet 54 needs to be installed outside the fixed pulley 44.
Seventh embodiment, on the basis of the sixth embodiment, a water storage tank 55 fixed on the windproof and dust suppression net 9 is disposed at the upper end of the water storage tank 39, a second electromagnetic valve is disposed on the lower end surface of the water storage tank 55, a second electromagnetic valve switch is disposed on the rear side wall of the water storage tank 55, the second electromagnetic valve switch is used for opening and closing the second electromagnetic valve, power supply is provided by a built-in power supply inside the water storage tank 55, a grooved pulley 56 disposed on the windproof and dust suppression net 9 is fixed on the rear side of the water storage tank 55, the grooved pulley 56 itself has a plurality of slots, the number of the slots is selected as required, a swing rod 57 fixed on the windproof and dust suppression net 9 is disposed beside the grooved pulley 56, the swing rod 57 can swing the grooved pulley 56 in the slot to complete the working principle of the grooved pulley mechanism base, two trigger columns 58 are fixed on the inner side surface of the grooved pulley 56, the trigger columns 58 can contact the, the position relation of the two triggering columns 58 is reasonably selected according to the following explanation, the two swing rods 57 are in transmission connection through a second belt 59, one swing rod 57 is connected with a third driving motor, and the third driving motor is powered by a power supply of a traffic engineering construction site.
During specific operation, because the water amount is gradually reduced due to water splashing inevitably caused in the water fall circulation among the water at the front side of the windproof dust suppression net 9, the water receiving bucket 47, the water containing tank 39, the water flowing tank 41 and the water receiving tank 42, a proper trigger post 58 position is selected according to the water amount reduction amount, a third driving motor is started, the third driving motor drives a swing rod 57 to rotate, the swing rod 57 drives a grooved wheel 56 to intermittently rotate, when the proper trigger post 58 position is selected according to conditions, a first trigger post 58 contacts a second electromagnetic valve switch, then a second electromagnetic valve is controlled to be opened, the water storage tank 55 supplies water to the water containing tank 39, at the moment, the swing rod 57 idles, the grooved wheel 56 does not rotate, at the moment, the water storage tank 55 supplies water all the time, when the swing rod 57 rotates into the grooved wheel 56 again, the grooved wheel 56 rotates again, at the moment, the second trigger post 58 contacts the second electromagnetic, the second solenoid valve is closed, the water storage tank 55 stops supplying water into the water storage tank 39, then the grooved pulley 56 cannot trigger the second solenoid valve switch all the time according to the number of the slotted holes in the grooved pulley 56, and the first trigger post 58 touches the second solenoid valve switch again when the grooved pulley 56 rotates for the second circle, so that water is supplied to the water storage tank 55 to the water storage tank 39 again.
The electric wires involved in the first electromagnetic valve, the first electromagnetic valve switch 40, the second electromagnetic valve switch, the first driving motor, the second driving motor and the third driving motor of the present invention can be installed on the wire pipe or embedded in the ground or the wind-proof dust suppression net 9 by the technology of the skilled person, and the controller to be used is selected according to the need, which is the common general knowledge of the skilled person, and will not be described again.
In the eighth embodiment, on the basis of the seventh embodiment, a ventilation opening 60 is formed at the lower end of the windproof and dust suppression net 9, a fan 61 is fixedly installed at the rear side of the ventilation opening 60, the fan 61 has the same principle as that of a fan and is used for providing wind pressure, a separator 62 is fixedly installed at the rear side of the fan 61, the separator 62 comprises a conical shell 63 with a large upper end and a small lower end, an air inlet 641 and an air outlet 651 are formed in the separator 62, the air inlet 641 corresponds to the fan 61, a vertical reversing pipe 64 with two through ends is arranged in the middle of the separator 62, a spiral blade 65 capable of rotating inside the separator 62 is arranged outside the reversing pipe 64, a first reversing plate 66 is installed at the upper end of the air inlet 641, a second reversing plate 67 is installed below the air outlet 651, so that a passage is formed in the separator 62, and a reversing bin 68 communicated with the air outlet 651 is reserved above the reversing, a liquid separating plate 69 arranged in the separator 62 is fixed below the reversing pipe 64, a liquid collecting filter 70 is arranged below the liquid separating plate 69, and an automatic water drain valve is arranged below the liquid collecting filter 70.
When the air separator is used specifically, the fan 61 is provided with a driving motor or connected with the driving motor, the spiral blade 65 of the separator 62 is connected with the driving motor arranged at the upper end of the separator 62, the fan 61 and the separator 62 are both connected with a power supply provided by a traffic engineering construction site, the fan 61 performs negative pressure suction on air in front of the windproof and dust suppression net 9 after being started, although the fan 61 is not in a closed pipeline, the air at the ventilation opening 60 is enough to be sucked into the separator 62, after the sucked air enters through the air inlet 641, the air can only move downwards under the rotation of the spiral blade 64 due to the existence of the first reversing plate 66, then according to the density principle of gas, liquid and liquid, the air is light, the solid and the liquid are heavy, the air finally moves upwards from the reversing pipe 64 to enter the reversing bin 68 and then is discharged from the air outlet 651, and the solid and the liquid fall onto the liquid separation plate 69 below the reversing pipe 64, and finally, the air enters a liquid collecting filter 70, when a certain amount is reached, an automatic water drain valve 71 can be automatically opened according to a liquid level sensor and a controller, the liquid is discharged out of the separator 62, the air discharged out of the separator 62 is purified and filtered air, all electric elements used in the separator 62 are connected with a power supply, and the controller and a driving device are connected according to requirements.
The separator 62, the water containing tank 39, the water receiving bucket 47, the sprinkler head 38 and other devices in the invention can be installed and used by selecting the proper quantity of the windproof and dust suppression nets 9 according to the requirement, and are not required to be installed each time.
In the ninth embodiment, on the basis of the eighth embodiment, a plurality of nozzles 72 are further disposed on the inner side wall of the ventilation opening 60, the nozzles 72 face the center of the ventilation opening 60, the nozzles 72 are communicated with each other through a pipe 73 built in the windproof and dust suppression net 9, the pipe 73 is communicated with an external water inlet pipe, and the water inlet pipe is connected with a water supply source.
In particular, in order to further increase the purification efficiency, the air sucked into the separator 62 may be further purified, and a water source provided from the outside flows to the spray head 72 through the built-in pipe 73, and the spray head 72 sprays water in the vent 60 to directly purify the air introduced into the separator 62.
The invention has smart structure and obvious advantages:
1. the installation is simple, the movement is convenient, the falling is not easy, the stability is firm and the rotation is not easy, no bolt or welding is used, the operation is simple, and the appearance is attractive.
2. The insertion block and the insertion groove have the advantages of convenience in connection and quickness in disassembly, the integral firmness is enhanced, and the insertion block and the insertion groove are easy to separate.
3. The windproof dust suppression net is further fixed and supported through the cam pressing blocks and the supporting strips, any bolt or welding is not needed, the use is convenient, and the disassembly is simple.
4. The spraying heads realize the reciprocating circular water spraying of the windproof dust suppression net instead of the simple water spraying in a single direction, and one spraying head replaces a plurality of spraying heads, so that the spraying efficiency is good and the cost is low.
5. The water fall circulation of the windproof dust suppression net is completed through the water receiving barrel, the water containing tank, the water flowing groove and the water receiving groove, the air quality is further purified, the purification efficiency is better, water can be recycled, the appearance is attractive, and the ornamental value can be increased.
6. Through the untimely supply of sheave mechanism, avoid the waste of water resource.
7. Through the separation of separator, further purify air quality, and separate solid-state and liquid-state, guarantee environmental quality.
8. The air entering the separator is further purified through the spray head of the ventilation opening, and the purification efficiency is high.
Claims (9)
1. The windproof dust suppression net for traffic engineering construction is characterized by comprising a plurality of bottom cases (1), wherein each bottom case (1) is provided with a mounting groove (2), each mounting groove (2) comprises a T-shaped groove (3), vertical stop blocks (4) are arranged on two sides in each T-shaped groove (3), the bottoms of two ends of each T-shaped groove (3) are integrally connected with first triangular clamping blocks (5), triangular first anti-rotation grooves (6) are formed in the tops of two ends of each T-shaped groove (3), each first anti-rotation groove (6) is arranged on the outer side of each first triangular clamping block (5), triangular second anti-rotation grooves (7) are formed in two side walls of each T-shaped groove (3), triangular third anti-rotation grooves (8) are formed in the inner sides of the vertical stop blocks (4), and the second anti-rotation grooves (7) and the third anti-rotation;
a vertical windproof dust suppression net (9) is arranged in the mounting groove (2) in a sliding manner, the lower end of the windproof dust suppression net (9) is arranged in the mounting groove (2), and the structure of the windproof dust suppression net is matched with that of the mounting groove (2);
the two end walls of the windproof dust suppression net (9) are respectively provided with an insertion block (10) and an insertion groove (11);
the plug-in block (10) is formed by integrally connecting a trapezoidal block (12), a first rectangular block (13), a second rectangular block (14), an inverted trapezoidal block (15) and a rectangular strip (16) from top to bottom in sequence, the transverse lengths of the first rectangular block (13), the second rectangular block (14), the inverted trapezoidal block (15) and the rectangular strip (16) are sequentially reduced, an inward clamping angle (17) is arranged at the first rectangular block (13) and the second rectangular block (14), and the inverted trapezoidal block (15) is inclined downwards;
a pair of rotating blocks (18) which respectively rotate in the inserting groove (11) is arranged in the inserting groove (11);
the inserting blocks (10) of every two adjacent windproof dust suppression nets (9) can be movably inserted into the rotating blocks (18).
2. The windproof and dust-suppression net for traffic engineering construction according to claim 1, characterized in that an L-shaped reinforcing plate (19) connected with the windproof and dust-suppression net (9) is arranged above the bottom shell (1), one end of the reinforcing plate (19) is integrally connected with the windproof and dust-suppression net (9), the other end of the reinforcing plate (19) is slidably connected with the bottom shell (1), an anti-falling plate (20) integrally connected with the bottom shell (1) is arranged above the T-shaped groove (3), the upper end of the anti-falling plate (20) is in contact with the reinforcing plate (19), and a torsion spring (21) is sleeved on a rotating shaft of the rotating block (18).
3. The windproof dust suppression net for traffic engineering construction according to claim 1, characterized in that a plurality of fixing posts (22) are fixed on the rear side of the windproof dust suppression net (9), a pressing plate (23) arranged on the windproof dust suppression net (9) is fixed on the upper ends of the fixing posts (22), a supporting post (24) is movably sleeved on each fixing post (22), a supporting bar (25) protruding outwards is connected on the integral rear side of each supporting post (24), a pressing plate (26) capable of penetrating through the windproof dust suppression net (9) is integrally connected on the front side of each supporting post (24), a pressing strip (27) capable of pressing on the windproof dust suppression net (9) is rotatably connected to the end of each pressing plate (26), a cam pressing block (28) sleeved on each fixing post (22) is arranged on the outer side of each supporting post (24), the upper end of each cam pressing block (28) can be pressed with the pressing plate (23), and a rotating strip (208) is integrally connected to each.
4. The windproof and dust-suppression net for traffic engineering construction according to claim 1, characterized in that a vertically arranged first pillar (29) is fixed on the bottom shell (1), a transverse second pillar (30) capable of moving up and down is movably sleeved on the first pillar (29), a first sliding block (31) capable of moving transversely on the second pillar (30) is movably sleeved on the second pillar (30), the first sliding block (31) is rotatably connected with a transfer block (32), the transfer block (32) is integrally connected with a rotating rod (33), a sleeve (34) is fixedly sleeved on the rotating rod (33), the rotating rod (33) can slide in the sleeve (34), a first spring (35) sleeved on the rotating rod (33) is arranged between the sleeve (34) and the transfer block (32), the sleeve (34) is connected with a first rotating shaft (37) through a transition block (36), the first rotating shaft (37) is connected with a first driving motor, the first sliding block (31) is detachably provided with a sprinkler head (38), and the sprinkler head (38) is connected with a water supply source through a water pipe.
5. The windproof and dust-suppression net for traffic engineering construction according to claim 2, characterized in that two symmetrical water tanks (39) are fixed at the upper end of the front side of the windproof and dust-suppression net (9), a first electromagnetic valve is arranged on the lower end face of the water tank (39), a first electromagnetic valve switch (40) is arranged on the inner side wall of the two water tanks (39), the first electromagnetic valve switch (40) can control the opening and closing of the first electromagnetic valve, a water flowing groove (41) inclined to the outside is arranged below the water tank (39), a water receiving groove (42) arranged in the reinforcing plate (19) is arranged below the water flowing groove (41), a driving block (43) capable of moving up and down on the windproof and dust-suppression net (9) is arranged between the two water tanks (39), the up and down movement of the driving block (43) can contact with the first electromagnetic valve switch (40), so as to realize the opening and closing of the first electromagnetic valve, the upper part of the water containing tank (39) is respectively provided with a fixed pulley (44) and a fixed sliding column (45), the driving block (43) is respectively wound around the fixed sliding columns (45) at the two sides and the fixed pulley (44) through two steel wire ropes (46) and then is vertically connected with a water receiving barrel (47) which can be arranged in the water receiving groove (42), and the upper part of the water containing tank (39) is provided with a turning column (48) which is arranged above the water receiving barrel (47).
6. The windproof and dust-suppression net for traffic engineering construction according to claim 5, characterized in that a slideway (49) for a driving block (43) to slide is integrally connected above the windproof and dust-suppression net (9), two belt pulleys (51) connected through a first belt (50) are fixed on the rear side of the windproof and dust-suppression net (9), a moving pin (52) is fixed on the first belt (50), a limiting groove (53) with a rectangular frame is transversely fixed on the rear side of the driving block (43), the moving pin (52) is arranged in the limiting groove (53) and can move in the limiting groove (53), one of the belt pulleys (51) is connected with a second driving motor, and a protection (54) piece fixed on a fixed pulley (44) is arranged on the outer side of the steel wire rope (46).
7. The windproof and dust-suppression net for traffic engineering construction according to claim 6, wherein the upper end of the water tank (39) is provided with a water storage tank (55) fixed on the windproof and dust-suppression net (9), the lower end surface of the water storage tank (55) is provided with a second electromagnetic valve, the rear side wall of the water storage tank (55) is provided with a second electromagnetic valve switch, the windproof and dust-suppression net (9) is fixed with a grooved pulley (56) arranged at the rear side of the water storage tank (55), the side of the grooved pulley (56) is matched with a swing rod (57) fixed on the windproof and dust-suppression net (9), the grooved pulley (56) is fixed with two triggering columns (58) capable of contacting with the second electromagnetic valve, the two swing rods (57) are in transmission connection through a second belt (59), and one swing rod (57) is connected with a third driving motor.
8. The windproof and dust-suppression net for traffic engineering construction according to claim 7, characterized in that the lower end of the windproof and dust-suppression net (9) is provided with a vent (60), the rear side of the vent (60) is fixedly provided with a fan (61), the rear side of the fan (61) is fixedly provided with a separator (62), the separator (62) comprises a conical shell (63), the separator (62) is provided with an air inlet (641) and an air outlet (651), a reversing pipe (64) with two through ends is arranged on the center shaft in the separator (62), the outer side of the reversing pipe (64) is provided with a helical blade (65) which can rotate in the separator (62), the helical blade (65) is connected with a driving device, the upper end of the air inlet (641) is provided with a first reversing plate (66) arranged in the separator (62), the lower end of the air outlet (651) is provided with a second reversing plate (67) arranged in the separator (62), a reversing bin (68) communicated with the air outlet (651) is reserved above the reversing pipe (64), a liquid separating plate (69) arranged in the separator (62) is fixed below the reversing pipe (64), a liquid collecting filter (70) is arranged below the liquid separating plate (69), and an automatic water drain valve (71) is arranged below the liquid collecting filter (70).
9. The windproof and dust-suppression net for traffic engineering construction according to claim 8, wherein the inner side wall of the ventilation opening (60) is provided with a plurality of nozzles (72) facing to the center, and the nozzles (72) are communicated with an external water inlet pipe through a pipeline (73) arranged inside the windproof and dust-suppression net (9).
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| CN201810464926.4A CN108643066B (en) | 2018-05-16 | 2018-05-16 | Windproof dust suppression net for traffic engineering construction |
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| CN201810464926.4A CN108643066B (en) | 2018-05-16 | 2018-05-16 | Windproof dust suppression net for traffic engineering construction |
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| CN108643066B true CN108643066B (en) | 2020-04-28 |
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| CN110258891B (en) * | 2019-07-03 | 2020-12-01 | 台州佳沃科技有限公司 | Actual measurement building for destroying gas vortex formed on surface of roof |
| CN111749150B (en) * | 2020-07-08 | 2021-11-19 | 株洲市东亨科技有限责任公司 | Sand and dust prevention device for highway construction |
| CN113144788B (en) * | 2021-04-27 | 2022-05-31 | 湖北理工学院 | Dust treatment device and exhaust system for machining workshop |
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| EP0404885B1 (en) * | 1988-11-18 | 1993-02-17 | Dätwyler Ag Schweizerische Kabel-, Gummi- Und Kunststoffwerke | Two-part sealing cleat for fixing a window pane or filling element in a frame |
| DE202004003052U1 (en) * | 2004-02-27 | 2004-07-01 | Wang, Ming-Cheng, Fu-Xing | Upright net for protection from sun, wind or snow has two or more densely-woven zones incorporating loops for upright support frame |
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