CN213643549U - Dust falling device for blasting operation - Google Patents

Abstract

The utility model provides a dust fall device for blasting operation, which comprises two rows of anchorings distributed on dam shoulders at two sides of a river channel, a plurality of bearing cables arranged between the two rows of anchorings, a traction cable arranged on the bearing cables, a plurality of spray head hangers and a plurality of spray heads, wherein the plurality of spray head hangers are arranged on the bearing cables at intervals through rollers, each roller is pulled and moved by the traction cable, each roller is provided with a lifting lug, each lifting lug is provided with an electric hoist, each electric hoist is used for lifting one spray head hanger through a sling, the spray headers are fixed on the spray header hanger, each spray header is connected with a water pipe, and through the arrangement of the device, the full-coverage without dead angles is realized for the excavation area, the positive effects on controlling the air humidity and the air quality of the operation area are achieved, the adjustment is convenient, and the efficiency is high.

Description

Dust falling device for blasting operation

Technical Field

The utility model relates to a blasting auxiliary device, specific theory has related to a dust device for blasting operation.

Background

The watering lorry is operated on urban roads as a watering dust fall means, and has certain advantages due to convenient movement, so that the watering lorry is mainly used for dust fall in a plane construction range. The high slope blasting excavation is layered from top to bottom along with bench blasting operation, the construction range is three-dimensional and multi-level, therefore, watering and dust falling of a sprinkler are adopted, roads need to be built on corresponding elevations and planes, and the sprinkler is used for operation; secondly, high slope narrow valley landform area, the watering lorry receives the restriction of water spray range, can not realize the full coverage to excavation regional raise dust, and in addition, four above-mentioned obvious defects that the watering lorry exists at the dust fall in-process for the watering lorry can not adapt to high slope blasting excavation dust fall construction.

The fog gun machine utilizes fan amount of wind and wind pressure can deliver the water smoke after the atomizing to the long distance for the water smoke can cover great area when arriving the long distance, nevertheless to the excavation dust fall in high slope valley landform area, because of the restriction and the restriction of injection angle, spraying rotation control scope, still need set up installation or operation platform at different elevations, just can guarantee the dust fall effect of spraying range. Meanwhile, the fog gun machine emphasizes that the water is emitted from a point to a surface, and the jet flow is transited from turbulent flow to laminar flow to cause great difference in flow velocity and flow of a coverage area, so that not only is the full coverage and dust fall difficulty realized on the raised dust in an excavation area large, but also the local dust fall effect is difficult to achieve due to the fact that the jet flow range is too large.

Disclosure of Invention

The utility model aims at the not enough of prior art to a dust device for blasting operation that the wide, the regulation of cover face is convenient, spray dust fall effectual, improve the construction environment is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a dust device for blasting operation, is including distributing in two rows of anchorings on two bank dams of river course, installing in a plurality of bearing cables between two rows of anchorings, installing traction cable, a plurality of shower gallows and a plurality of shower head on the bearing cable, it is a determining deviation through the gyro wheel, a plurality of shower head gallows is installed the gyro wheel is the installation of determining deviation on the bearing cable, each gyro wheel by the traction cable pulls the removal, and each install lug, each on the gyro wheel an electric hoist is installed, each on the lug electric hoist passes through hoist cable hoist and mount one the shower head gallows, the shower head is fixed on the shower head gallows, each shower head is connected with the water pipe.

Basically, the spray header hanger is of a truss structure.

Basically, the spray header is a rotary spray head.

Basically, every carrier cable corresponds to there are two haulage cables, and two windlasses and two reels have been arranged to two haulage cables of river course both sides correspondence, and the intermediate position fixed mounting who bears the weight of the cable has two pulleys, and the one end of haulage cable is around establishing on the reel and by the hoist engine drive rotation, the other end around locating on the pulley, the middle part and each gyro wheel of haulage cable are fixed, through the reciprocating drive of hoist engine, reciprocating type rotary motion is wholly to the haulage cable, drives each gyro wheel and is in reciprocating type roll on the carrier cable.

Basically, rotatory nozzle includes nozzle support, swivel sleeve, sealing washer, water guide piece, shower nozzle cavity and at least one outlet pipe, rotatable the installing of sealing washer is passed through to the one end of swivel sleeve on the nozzle support, the other end of swivel sleeve with the import of shower nozzle cavity is fixed, swivel sleeve and nozzle support are hollow structure and regard as inhalant canal, correspond in the shower nozzle cavity inhalant canal is fixed with the water guide piece that the impeller formula was arranged, the equidistant installing in of outlet pipe in the circumferential position of shower nozzle cavity.

Basically, it still including connect in blender between shower nozzle and the water pipe, the blender includes mixing chamber, inlet tube, air-supply line and delivery port, the mixing chamber includes first mixing chamber and second mixing chamber, first mixing chamber is connected to inlet tube and air-supply line, through cavity toper connecting channel intercommunication between first mixing chamber and the second mixing chamber, second mixing chamber and delivery port intercommunication, the delivery port sets up to the binding off structure.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a setting spanes the bearing cable and the traction cable of river course both sides to set up the nozzle that can pull the removal on it, carry out the cover at all-round no dead angle to the construction environment in the river course, pull the cable simultaneously and pull the nozzle and back and forth movement on bearing the cable, reach the regulation at any time to spraying the region, reach the best coverage.

Furthermore, the rotatable spray header is adopted to be matched with the traction cable, so that the maximum coverage can be realized.

Furthermore, a mixer is designed to mix air and water into mist water drops to achieve the best spraying effect.

Through the device, carry out the dust fall to the construction environment, improve the operation environment, ensure constructor's occupational health, improve the efficiency of construction.

Drawings

Fig. 1 is the overall arrangement schematic diagram of the dust falling device for blasting operation in the utility model.

Fig. 2 is a schematic diagram of a hoisting structure of a single spray header in the utility model.

Fig. 3 is a schematic view of the internal structure of the shower head of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the mixer of the present invention.

In the figure: 1. a load bearing cable; 2. a traction cable; 3. a winch; 4. a pulley; 5. a shower head; 6. a roller; 7. an electric hoist; 8. a sling; 9. a spray header hanger; 10. lifting lugs; 11. a nozzle holder; 12. a rotating sleeve; 13. a nozzle cavity; 14. a water guide sheet; 16. a water outlet pipe; 17. a first mixing chamber; 18. a second mixing chamber; 19. a water inlet pipe; 20. an air inlet pipe; 21. a hollow tapered connecting channel; 23. and (6) anchorage.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1-4, a dust fall device for blasting operation includes two rows of anchorages 23 distributed on dam shoulders of two banks of a river, a plurality of bearing cables 1 installed between the two rows of anchorages 23, a traction cable 2 installed on the bearing cable 1, a plurality of spray header hangers 9 and a plurality of rotatable spray headers 5, wherein the plurality of spray header hangers 9 are installed on the bearing cable 1 at a certain interval through rollers 6, each roller 6 is pulled by the traction cable 2 to move, each roller 6 is provided with a lifting lug 10, each lifting lug 10 is provided with an electric hoist 7, each electric hoist 7 hoists one spray header hanger 9 through a sling 8, the spray headers 5 are fixed on the spray header hangers 9, each spray header 5 is connected with a water pipe, and the spray header hangers 9 are of a truss structure.

During specific construction, the anchorage 23 is anchored by 3-5 foundation bolts with the diameter of 25mm, the rock penetration depth of the bolts is not less than 5m, the tensile resistance of a single bolt is not less than 8t, and each anchor bolt is fixed in a consolidation grouting mode.

Every carrier cable 1 corresponds two haulage cables 2, and divide into about two sets of, two sets of windlasses 3 and two reels have been arranged to two haulage cables 2 of river course both sides correspondence, and the intermediate position fixed mounting of carrier cable 1 has two pulleys 4, and the one end of haulage cable 2 is around establishing on the reel and by the drive rotation of windlass 3, the other end around locating on pulley 4, pulley 4 passes through the pulley support to be fixed on carrier cable 1, and the position is motionless, and pulley self is rotatable. The middle part of the traction cable 2 is fixed with each roller 6, specifically fixed on a roller frame of each roller 6, the roller can rotationally walk on the bearing cable, and the traction cable 2 integrally makes reciprocating rotary motion through the reciprocating drive of the winch 3 to drive each roller 6 to reciprocally roll on the bearing cable 1.

Under the general condition, the spray headers are arranged at equal intervals to cover the whole construction environment below, so that the comprehensive coverage of a construction site is ensured.

The spray head 5 comprises a nozzle support 11, a rotary sleeve 12, a sealing ring, water guide sheets 14, a spray head cavity 13 and at least one water outlet pipe 16, wherein one end of the rotary sleeve 12 is rotatably installed on the nozzle support 11 through the sealing ring, the other end of the rotary sleeve 12 is fixed with an inlet of the spray head cavity 13, the rotary sleeve 12 and the nozzle support 11 are both of a hollow structure and serve as a water inlet channel, the water guide sheets 14 which are arranged in a impeller type are fixed in the spray head cavity 13 corresponding to the water inlet channel, the impeller type water guide sheets 14 are driven to rotate along with the impact of water flow, the spray head cavity 13 is fixed with the rotary sleeve 12 as the water guide sheets 14 are fixed with the spray head cavity 13, the rotary sleeve 12 can be driven to rotate, the whole spray head cavity 13 is finally driven to rotate, the water outlet pipe 16 is driven to rotate, and the water outlet pipe 16 is installed at the, the rotary water spraying is realized.

Be connected with the blender between shower nozzle and the water pipe, the blender includes mixing chamber, inlet tube 19, air-supply line 20 and delivery port, the mixing chamber includes first mixing chamber 17 and second mixing chamber 18, inlet tube 19 and air-supply line 20 connect first mixing chamber 17, through cavity toper connecting channel 21 intercommunication between first mixing chamber 17 and the second mixing chamber 18, second mixing chamber 18 and delivery port intercommunication, delivery port 22 sets up to the binding off structure.

Through the adding of this blender, realized the pressure boost process of shower nozzle water, made spray atomization effect better simultaneously, wherein, inlet tube 19 external water pipe, air-supply line 20 external high pressurized air source, the shower nozzle is connected to the delivery port.

3 high-altitude spraying dust-settling bearing cables are arranged at the left dam abutment and the right dam abutment of the dam excavation area, high-pressure water is conveyed to spraying heads arranged on the bearing cables through spraying pipelines, a fine rain and fog state is formed in high altitude, and no dead angle and full coverage of the excavation area are achieved. The position of the spray heads, the distance between the spray heads and the control quantity of each spray water supply pipe are controlled and adjusted through the traction rope, the time period, the water temperature, the spray angle, the direction, the area and the like of spraying and dust falling are controlled at any time, the water consumption per hour is reduced, the dust flying of an operation surface is reduced, the air humidity is increased, and the air quality of a construction area is improved.

The hanger for hanging the spray header is made into a liftable design by adopting an electric hoist, the diameter of water spraying particles is reduced by utilizing the space height and wind power, the aim of dust fall is fulfilled, and the phenomenon of water erosion caused by accumulated water formed on a working surface or a slope surface is avoided to the maximum extent; through the good dust fall effect to digging the operation region, improve construction environment, ensure constructor's occupational health, improve the efficiency of construction.

Finally, it should be noted that the above-mentioned embodiments illustrate only some of the embodiments of the invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a dust device for blasting operation which characterized in that: the device comprises two rows of anchorings distributed on dam shoulders on two sides of a river channel, a plurality of bearing cables arranged between the two rows of anchorings, a traction cable arranged on the bearing cables, a plurality of spray head hanging frames and a plurality of spray heads, wherein the spray head hanging frames are arranged on the bearing cables at certain intervals through idler wheels, each idler wheel is pulled by the traction cable to move, and is provided with a lifting lug and each electric hoist on the idler wheel, each electric hoist is arranged on the lifting lug and is hoisted by one spray head hanging frame through a sling, the spray heads are fixed on the spray head hanging frames, and each spray head is connected with a water pipe.

2. A dust fall device for blasting according to claim 1, wherein: the spray header hanger is of a truss structure.

3. A dust fall device for blasting according to claim 1, wherein: the spray header is a rotary spray head.

4. A dust fall device for blasting according to claim 3, wherein: every carrier cable corresponds to there are two haulage cables, and two windlasses and two reels have been arranged to two haulage cables of river course both sides correspondence, and the intermediate position fixed mounting of carrier cable has two pulleys, and the one end of haulage cable is around establishing on the reel and by the hoist engine drive rotation, the other end around locating on the pulley, the middle part and each gyro wheel of haulage cable are fixed, through the reciprocating drive of hoist engine, the whole reciprocating type rotary motion that is done of haulage cable drives each gyro wheel and is in reciprocating type rolls on the carrier cable.

5. A dust fall device for blasting according to claim 3, wherein: rotatory nozzle includes nozzle support, swivel sleeve, sealing washer, water guide piece, shower nozzle cavity and at least one outlet pipe, rotatable the installing of sealing washer is passed through to the one end of swivel sleeve on the nozzle support, the other end of swivel sleeve with the import of shower nozzle cavity is fixed, swivel sleeve and nozzle support are hollow structure and regard as inhalant canal, correspond in the shower nozzle cavity inhalant canal is fixed with the water guide piece that the impeller formula was arranged, the equidistant installing of outlet pipe in the circumferential direction position of shower nozzle cavity.

6. The dust settling device for blasting according to claim 5, wherein: it still including connect in blender between shower nozzle and the water pipe, the blender includes mixing chamber, inlet tube, air-supply line and delivery port, the mixing chamber includes first mixing chamber and second mixing chamber, inlet tube and air-supply line connect first mixing chamber, through cavity toper linking channel intercommunication between first mixing chamber and the second mixing chamber, second mixing chamber and delivery port intercommunication, the delivery port sets up to the binding off structure.

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