CN115306332A - Device of side slope stock drilling construction raise dust control - Google Patents
Device of side slope stock drilling construction raise dust control Download PDFInfo
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- CN115306332A CN115306332A CN202211219276.XA CN202211219276A CN115306332A CN 115306332 A CN115306332 A CN 115306332A CN 202211219276 A CN202211219276 A CN 202211219276A CN 115306332 A CN115306332 A CN 115306332A
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- 239000000428 dust Substances 0.000 title claims abstract description 186
- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000012546 transfer Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 38
- 239000004065 semiconductor Substances 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 9
- 230000002829 reductive effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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- 230000001629 suppression Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/07—Arrangements for treating drilling fluids outside the borehole for treating dust-laden gaseous fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of slope rock-soil layer drilling, and solves the problem that the suction force of a fan on raised dust gradually decreases along with the extension of the operation time of a device, in particular to a raised dust control device for slope anchor rod drilling construction. According to the cooperation between the internal structures of the transfer exhaust element, after dust-containing airflow enters the special-shaped casing, the airflow is subjected to the baffling effect of the inner wall position of the cavity of the special-shaped casing and the arc-shaped smooth plate, and is collected at the cavity at the bottom of the conical pressure release pipe in a short time, after being filtered by the two-type dust filter plate, a part of filtered airflow is rapidly discharged, primary pressure release is performed, the pressure difference between the cavity of the special-shaped casing and the dust inlet is reduced, and the attenuation of suction force is reduced.
Description
Technical Field
The invention belongs to the technical field of side slope rock-soil layer drilling, and particularly relates to a device for controlling dust in side slope anchor rod drilling construction.
Background
In the building construction process, the high slope often needs to be processed, and the drilling and the tunneling are carried out on the rock-soil layer of the slope, because different slope soil textures, rock contents, rock types and water contents are different, and in the actual construction, the rock-soil layer drilling is greatly influenced by factors such as the slope height difference, and the like, and a special technical scheme for organization and establishment of the construction project department is generally needed.
According to the situation that the construction amount of an anchor rod lattice is large, the conventional climbing drilling is not feasible for side slope drilling, a dry drilling method is required for construction, when an open platform drilling machine is used for side slope anchor rod drilling, the generated dust amount is large, the environmental pollution is serious, the safe and civilized construction of projects is influenced, and according to the situation that slope water sprinkling and dust falling are not suitable for side slope geological conditions, a dustproof closing part is generally added at the position of a drilling hole in the conventional construction process, and negative pressure is generated by a fan for dust collection, so that the dust escape amount is reduced.
Because the slope ground layer carries out continuous stock drilling construction, the volume of the raise dust of arousing is big, capacity requirement to dust collecting piece is higher, the air current that carries the dust is under the fan effect, when getting into fan low reaches cavity, can increase the inside atmospheric pressure of dust collecting cavity rapidly, a large amount of dust is filled the dust collecting cavity, traditional raise dust controlling means filters the dust in the inside perpendicular cavity cross-sectional position of dust collecting cavity, discharge from one end after the dusty air current filters, receive the extension of device live time, the dust accumulation volume constantly increases, cause the inside and outside pressure differential volume reduction of device, the dust of fan to ground layer drilling position can descend gradually, need artifical frequent clearance to the device, consequently, to the great actual conditions of stock continuous drilling construction dust volume, design a neotype device of slope stock drilling construction raise dust control, it is extremely necessary.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device for controlling dust emission in the drilling construction of a side slope anchor rod, aiming at filtering and decompressing the suction air flow in time on the premise of not influencing the collection and transmission of the dust emission, maintaining the capacity of the pressure difference between the inside and the outside of the device and solving the problem that the suction force of a fan to the dust emission is gradually reduced along with the extension of the operation time of the device.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device of side slope stock drilling construction raise dust control, including the dust cover, two sets of drill rod holes have been seted up to the symmetry on the dust cover, just dust cover one side fixedly connected with leads the dirt pipe, it is connected with negative pressure dust absorption mechanism to lead dirt pipe one end, negative pressure dust absorption mechanism top is equipped with the temperature control spare, just negative pressure dust absorption mechanism is provided with the defeated dirt mechanism of pressure release on one side of leading the dirt pipe mutually, the defeated dirt mechanism of pressure release is including connecting the well commentaries on classics air discharge member on the negative pressure dust absorption mechanism, fixedly connected with drive guide spare on the transfer air discharge member surface, the drive guide spare outside is provided with the pressure release formula collection piece.
Preferably, the negative pressure dust collection mechanism comprises an air blowing casing, an isolated driving piece is fixed on the inner wall of the air blowing casing through two groups of four vertical positioning rods, and a speed change piece is arranged in the air blowing casing.
Preferably, the isolation type driving piece comprises a conical casing, the two ends of the conical casing are fixedly provided with a dust filter plate, a first motor is fixed on the inner wall of the conical casing through a transverse plate, and a fan fixed on the inner wall of the conical casing through a vertical plate is arranged outside the first motor.
Preferably, a first gearwheel is fixed to the first motor output shaft through a driving rotating shaft, a first pinion is meshed to the outer surface of the first gearwheel, a rolling shaft is fixed to the first pinion, a second gearwheel is fixed to the rolling shaft, a second pinion is meshed to the outer surface of the second gearwheel, and a driving rotating shaft is fixed to the second pinion.
Preferably, initiative pivot, roller bearing and drive pivot all are connected through bearing and the locating plate that is fixed in on the toper cover inner wall, just the central line of initiative pivot and the central line collineation of drive pivot, the drive pivot is carried on the back in the fan blade shaft coupling of second pinion one end and fan.
Preferably, the temperature control part is including being fixed in the heat conduction on the blast air casing shell and linking the board, heat conduction links the board top and is fixed with T type heat-conducting plate, the inside fixed packing of T type heat-conducting plate has aluminium system baffle, just a plurality of radiating groove has been seted up to T type heat-conducting plate inside, every all be fixed with the semiconductor refrigeration piece on the radiating groove inner wall.
Preferably, the transfer air exhaust piece is including the special-shaped cover shell, special-shaped cover shell top is fixed with three group's toper pressure release pipes, toper pressure release pipe one side is equipped with the arc smooth plate that is fixed in on the special-shaped cover shell inner wall, just toper pressure release pipe bottom fixedly connected with type two dust filter plate.
Preferably, the driving material guiding part comprises a strip-shaped blanking box fixed at the bottom of the special-shaped casing, a second motor is fixed on one side of the strip-shaped blanking box, a cylindrical sleeve is fixed on the other side of the strip-shaped blanking box, and a group of helical blades is arranged inside the cylindrical sleeve.
Preferably, the second motor output shaft movably extends to the interior of the bar-shaped blanking box, a roller fixedly connected to one end of the second motor output shaft is fixed at the center of the helical blade, and the minimum distance from the outer edge of the helical blade to the inner wall of the cylindrical sleeve is two millimeters.
Preferably, pressure release formula collection dirt spare is including the collection dirt cover shell, collection dirt cover shell one end fixed mounting has the pipe of connecting on the cylindricality sleeve, just be equipped with a plurality of toper blast pipe on the collection dirt cover shell surface, toper blast pipe one end is fixed with the three types and strains the dirt board.
Compared with the prior art, the invention provides a device for controlling dust emission in side slope anchor rod drilling construction, which has the following beneficial effects:
1. through the cooperation between the transfer air discharge spare inner structure that sets up, behind the dirty air current entering dysmorphism cover shell, receive highly different dysmorphism cover shell cavity inner wall position and the effect of rolling over of arc smooth plate, can collect in toper pressure release pipe bottom position cavity department for a short time, after the two types dust filter plate filters, the air current after partly straining of discharging rapidly, carry out the one-level pressure release, reduce the pressure differential between dysmorphism cover shell cavity and the dust inlet, reduce device suction decline gradient, maintain the continuous effectual appeal to the dust.
2. Through the cooperation between the drive guide spare inner structure that sets up, behind the one-level pressure release, the raise dust that collects is under the effect of gravity and surplus air current, the workbin inner wall that falls along the strip removes, because there is a certain degree of weakening in the air current this moment, it is rotatory at cylindricality sleeve inner wall to utilize the second motor to drive helical blade, because the radial gap between cylindricality sleeve and helical blade is very little, when the helical blade rotational speed is very fast, air current and a large amount of dust removal with higher speed, and increase the centrifugal force that contains dirt air current, make the dust can pump the cylindricality sleeve smoothly, get into next processing apparatus, avoid the dust because of the disturbing action of air current one-level pressure release, the moving speed descends, guarantee to carry out smooth conveying to the dust.
3. Through the cooperation between the pressure release formula of setting collection dirt spare inner structure, because the toper blast pipe divide into two sets ofly, the equipartition is in dust collection cover shell top and dust collection cover shell in duct one end in opposite directions respectively, after the dusty air current lets in the dust collection cover shell, the dust is piled up in a large number and is catched, the air current irregularly shifts up and flows, can contact with the three types dust filter smoothly, discharge after receiving the filtration of three types dust filter, carry out the secondary pressure release, further maintain the pressure differential between fan low reaches cavity and the dust inlet, avoid the suction decay.
4. Through the cooperation between the negative pressure dust absorption mechanism inner structure that sets up, first motor is as power supply output torque, the wind pressure size is made in the decision of output shaft rotational speed, it is the determinant factor to raise dust suction to influence, but first motor rotational speed self rotational speed is too high, can lead to the structure to generate heat seriously, be unfavorable for the long-term healthy use of equipment, utilize the gear change to build plus acceleration rate subassembly, in increase fan blade axle rotational speed, reduce the demand of maintaining higher suction to first motor self rotational speed, reduce generating heat of first motor inner structure.
5. Through the cooperation between the gear change spare inner structure that sets up, utilize the meshing between first gear wheel and the first pinion, because first gear wheel radial dimension gear is the twice of first pinion radial dimension, when first gear wheel rotational speed is constant, can enlarge first pinion rotational speed, the linkage between cooperation first pinion and second gear wheel, and the size difference between intermeshing's second gear wheel and second pinion, enlarge second pinion output rotational speed, through meshing between the structure, increase the drive shaft rotational speed, increase the wind pressure, can select whether to add this acceleration rate subassembly according to the demand of in-service use scene.
6. Through the cooperation between the control by temperature change spare inner structure that sets up, utilize heat conduction tie plate to absorb the heat that produces because of fan rotation and friction of transmission negative pressure dust absorption mechanism goes up the transmission, and transmit to T type heat-conducting plate, two rows of settings about the semiconductor refrigeration piece is, and the downside is arranged in to the semiconductor refrigeration piece cold junction, the upside is arranged in to the hot junction, lower row of semiconductor refrigeration piece output low temperature conduction is to negative pressure dust absorption mechanism on, lower row of semiconductor refrigeration piece is cooled down to negative pressure dust absorption mechanism, and simultaneously, conduct the heat of lower row of semiconductor refrigeration piece hot junction through setting up aluminium system baffle, and utilize the cold junction of last row of semiconductor refrigeration piece bottom to offset the heat, guarantee the performance of semiconductor refrigeration piece down well.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural view illustrating a device for controlling dust generated in a side slope anchor drilling construction according to an embodiment of the present invention;
FIG. 2 illustrates a side view of a device for slope anchor drilling dust control according to an embodiment of the present invention;
FIG. 3 illustrates a perspective view of a dust cap according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a negative pressure dust suction mechanism, a temperature control member and a pressure relief dust conveying mechanism according to an embodiment of the invention;
FIG. 5 is a schematic perspective view showing a negative pressure cleaning mechanism and a temperature control member according to an embodiment of the present invention;
FIG. 6 illustrates a schematic perspective view of a temperature control according to an embodiment of the present invention;
FIG. 7 shows a schematic structural diagram of a semiconductor chilling plate and an aluminum guide plate according to an embodiment of the present invention;
FIG. 8 is a schematic perspective cross-sectional view illustrating a negative pressure cleaning mechanism according to an embodiment of the present invention;
FIG. 9 shows a schematic structural view of an isolated drive member and transmission according to an embodiment of the present invention;
FIG. 10 shows a partial schematic view of an isolated drive and transmission according to an embodiment of the present invention;
FIG. 11 illustrates a perspective view of a transmission according to an embodiment of the present invention;
FIG. 12 shows an enlarged schematic view at A according to an embodiment of the invention;
fig. 13 is a side view illustrating a transfer exhaust member and a drive guide member according to an embodiment of the present invention;
FIG. 14 illustrates a perspective cross-sectional view of a transfer exhaust in accordance with an embodiment of the present invention;
FIG. 15 shows an enlarged schematic view at B according to an embodiment of the invention;
fig. 16 is a perspective view illustrating a driving guide member and a pressure-relief type dust collecting member according to an embodiment of the present invention;
FIG. 17 illustrates a perspective cross-sectional view of a drive guide according to an embodiment of the present invention;
fig. 18 is a schematic perspective sectional view showing a pressure-relief type dust collecting member according to an embodiment of the present invention;
FIG. 19 shows a perspective view of a tapered duct and a dust filter plate according to an embodiment of the present invention.
In the figure: 1. a dust cover; 1a, drilling rod holes; 2. a dust guide pipe; 3. a negative pressure dust suction mechanism; 31. an air blast casing; 32. an isolated drive member; 321. a conical housing; 322. a first type dust filter; 323. a first motor; 324. a fan; 33. a transmission member; 331. a first bull gear; 332. a first pinion gear; 333. a second bull gear; 334. a second pinion gear; 335. driving the rotating shaft; 4. a temperature control member; 41. a thermally conductive tie plate; 42. a T-shaped heat conducting plate; 43. a semiconductor refrigeration sheet; 44. an aluminum guide plate; 5. a pressure relief dust conveying mechanism; 6. transferring an exhaust member; 61. a special-shaped casing; 62. an arc-shaped smooth plate; 63. a conical pressure relief tube; 64. a dust filter plate II; 7. driving the material guide member; 71. a strip-shaped blanking box; 72. a second motor; 73. a cylindrical sleeve; 74. a helical blade; 8. a pressure relief type dust collecting member; 81. a dust collecting housing; 82. a conduit; 83. a conical exhaust pipe; 84. three types of dust filter plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Please refer to fig. 1 and fig. 2, which show a schematic structural diagram and a side view of a device for controlling dust emission in drilling construction of a side slope anchor rod, the device for controlling dust emission comprises a dust cover 1, a dust guide pipe 2 is fixedly connected to one side of the dust cover 1, one end of the dust guide pipe 2 is connected with a negative pressure dust suction mechanism 3, the dust guide pipe 2 forms a channel communicated between the dust cover 1 and the negative pressure dust suction mechanism 3, dust-containing air flow is transmitted, negative pressure is generated by the negative pressure dust suction mechanism 3 to absorb dust at the dust emission position, a temperature control part 4 is arranged at the top of the negative pressure dust suction mechanism 3, the temperature control part 4 is used for cooling heat generated by structural transmission inside the negative pressure dust suction mechanism 3, and a pressure relief dust conveying mechanism 5 is arranged on one side of the negative pressure dust suction mechanism 3 opposite to the dust guide pipe 2.
In the building construction, when the high slope rock-soil layer is drilled and tunneled, aiming at the condition that the anchor rod lattice construction amount is large, the common climbing drilling is adopted to drill the side slope, the dry drilling method is required to be adopted for construction, when the open platform drilling machine is used for drilling the side slope anchor rod, the generated dust amount is large, the environmental pollution is serious, the environment pollution is limited by the side slope geological conditions, a plurality of places are not suitable for slope watering and dust fall, a dustproof closing part is generally added at the drilling position, and a fan is used for manufacturing negative pressure to absorb dust, the traditional dust control device filters the dust at the position of the vertical cavity cross section inside the dust collection cavity, the dust-containing air flow is discharged from one end after being filtered, the dust accumulation amount is gradually increased due to the prolonging of the service time of the device, the internal and external pressure difference of the device is reduced, the suction force of the dust at the rock-soil layer drilling position by the fan is gradually reduced, the dust guide part 7 and the pressure release type dust collection part 8 are matched through the transfer exhaust part 6, the drive guide part and the dust guide part 7 and the pressure release part 8, the dust-containing air flow is filtered and discharged twice at different positions, the centrifugal force between the structures is increased, the dust can smoothly, the dust can enter the lower-shaped sleeve to be treated by the primary dust treatment device 73, and the dust can be pumped out.
Referring to fig. 3, two groups of drill rod holes 1a are symmetrically formed in the dust cover 1, and when the slope rock-soil layer is drilled, the drill rods penetrate through the dust cover 1 along the two groups of drill rod holes 1a, and the dust cover 1 wraps and covers the positions of the drilled holes where dust is raised.
Referring to fig. 4, the pressure-releasing and dust-conveying mechanism 5 includes a transfer exhaust member 6 connected to the negative pressure dust-collecting mechanism 3, a driving material guiding member 7 is fixedly connected to an outer surface of the transfer exhaust member 6, a pressure-releasing type dust collecting member 8 is disposed outside the driving material guiding member 7, and the pressure-releasing and dust-conveying mechanism 5 is disposed to prevent suction force from being attenuated and ensure transmission and collection of dust.
Referring to fig. 8, 9 and 10, the negative pressure dust suction mechanism 3 includes an air blowing casing 31, an isolated driving member 32 is fixed on an inner wall of the air blowing casing 31 through two sets of four vertical positioning rods, while the isolated driving member 32 is fixedly installed on the inner wall of the air blowing casing 31, the sectional area of each vertical positioning rod is limited, the length-width ratio of an outer frame of the cross section of each vertical positioning rod is about 3, the cross section area of each vertical positioning rod is far smaller than the radial dimension of the air blowing casing 31, no blocking is formed on an inner channel of the air blowing casing 31, so as to ensure that a dust-containing airflow passes through the air blowing casing 31 in the axial direction, a speed change member 33 is arranged in the air blowing casing 31, the speed change member 33 forms an additional speed increasing assembly, the isolated driving member 32 includes a conical casing 321, a first dust filtering plate 322 is fixedly installed at two ends of the conical casing 321, a first motor 323 is fixed on the inner wall of the conical casing 321 through a transverse plate, the first motor 323 is used as a power source to output torque, a fan 324 fixed on the inner wall of the conical casing 321 is arranged outside the first motor 323, a fan 324 to generate negative pressure to attract the dust-containing airflow, the dust-containing airflow is prevented from entering the first fan 324, and the first dust-treating fan 32 flows along the inner channel of the isolated driving member, and the first dust-treating casing 31.
Referring to fig. 11 and 12, a first gearwheel 331 is fixed to an output shaft of a first motor 323 through a driving rotating shaft, a first pinion 332 is engaged on an outer surface of the first gearwheel 331, a radial size gear of the first gearwheel 331 is twice a radial size of the first pinion 332, the first gearwheel 331 is engaged with the first pinion 332, when a rotating speed of the first gearwheel 331 is constant, a rotating speed of the first pinion 332 is increased, a roller is fixed to the first pinion 332, a second gearwheel 333 is fixed to the roller, a linkage with the same rotating speed is realized between the first pinion 332 and the second gearwheel 333 through the roller, a second pinion 334 is engaged with an outer surface of the second gearwheel 333, a rotating speed output by the second pinion 334 is increased by a size difference between the second gearwheel 333 and the second pinion 334 engaged with each other, a driving rotating shaft 335 is fixed to the driving rotating shaft 335, the driving rotating shaft, the roller and the driving rotating shaft 335 are connected to a positioning plate fixed to an inner wall of a conical casing 321 through bearings, a center line of the driving rotating shaft 335 and one end of the second pinion 335 is connected to a variable speed shaft, and a variable speed fan blade assembly capable of increasing a wind pressure is designed to increase a construction scene.
Referring to fig. 5, 6 and 7, the temperature control member 4 includes a heat conducting connecting plate 41 fixed on the blowing casing 31, a T-shaped heat conducting plate 42 is fixed on the top of the heat conducting connecting plate 41, the heat conducting connecting plate 41 absorbs and transfers heat generated by rotation and friction of the fan and transferred from the negative pressure dust suction mechanism 3 to the T-shaped heat conducting plate 42, an aluminum guide plate 44 is fixedly filled in the T-shaped heat conducting plate 42, a plurality of heat dissipation grooves are formed in the T-shaped heat conducting plate 42, a semiconductor chilling plate 43 is fixed on the inner wall of each heat dissipation groove, the semiconductor chilling plates 43 are arranged in two rows, the cold ends of the semiconductor chilling plates 43 are arranged at the lower side, the hot ends of the semiconductor chilling plates are arranged at the upper side, the lower row of semiconductor chilling plates 43 outputs low temperature to the negative pressure dust suction mechanism 3 to cool the negative pressure dust suction mechanism 3, meanwhile, the heat of the hot ends of the lower row of the semiconductor chilling plates 43 is conducted by arranging the aluminum guide plate 44, the cold ends at the bottom of the upper row of the semiconductor chilling plates 43 are used to offset the heat, and the heat of the lower row of the semiconductor chilling plates 43 is timely abutted, thereby effectively ensuring the performance of the lower row of the semiconductor chilling plates 43.
Referring to fig. 13, 14 and 15, the transfer exhaust element 6 includes a special-shaped casing 61, three sets of tapered pressure relief pipes 63 are fixed on the top of the special-shaped casing 61, an arc-shaped smooth plate 62 fixed on the inner wall of the special-shaped casing 61 is arranged on one side of the tapered pressure relief pipes 63, the dust-containing air flow enters the special-shaped casing 61 and then is subjected to the baffling effect of the inner wall position of the cavity of the special-shaped casing 61 and the arc-shaped smooth plate 62 with different heights, a second type dust filter plate 64 is fixedly connected to the bottom of the tapered pressure relief pipes 63, and a part of filtered air flow is rapidly discharged under the filtering effect of the second type dust filter plate 64 to perform first-stage pressure relief, so that the pressure difference between the cavity of the special-shaped casing 61 and a dust inlet is reduced, the suction gradient of the device is reduced, and the continuous and effective attraction of dust is maintained.
Referring to fig. 16 and 17, the driving material guiding member 7 includes a strip-shaped blanking box 71 fixed at the bottom of the special-shaped casing 61, after the air flow is decompressed in the first stage, the collected dust moves along the inner wall of the strip-shaped blanking box 71 under the action of gravity and residual air flow, a second motor 72 is fixed at one side of the strip-shaped blanking box 71, a cylindrical sleeve 73 is fixed at the other side of the strip-shaped blanking box 71, a set of helical blades 74 is arranged inside the cylindrical sleeve 73, because the air flow is weakened to a certain extent, the helical blades 74 are driven by the second motor 72 to rotate on the inner wall of the cylindrical sleeve 73, the output shaft of the second motor 72 movably extends into the strip-shaped blanking box 71, a roller fixedly connected to one end of the output shaft of the second motor 72 is fixed at the center of the helical blade 74, and the minimum distance from the outer edge of the helical blade 74 to the inner wall of the cylindrical sleeve 73 is two millimeters, because the radial gap between the cylindrical sleeve 73 and the helical blades 74 is small, when the rotational speed of the helical blade 74 is high, the air flow is accelerated and the centrifugal force of the dust-containing air flow is increased, so that the dust can be pumped out of the cylindrical sleeve 73 and enter the next stage to be smoothly processed, thereby avoiding the dust flow from being disturbed and the dust moving speed, and ensuring the dust to be transferred.
Referring to fig. 18 and 19, the pressure-releasing type dust collecting element 8 includes a dust collecting casing 81, a conduit 82 connected to the cylindrical sleeve 73 is fixedly installed at one end of the dust collecting casing 81, and a plurality of tapered exhaust pipes 83 are installed on the outer surface of the dust collecting casing 81, the tapered exhaust pipes 83 are divided into two groups and are respectively uniformly distributed at the top of the dust collecting casing 81 and at the end of the dust collecting casing 81 opposite to the conduit 82, a three-type dust filter 84 is fixed at one end of the tapered exhaust pipe 83, after the dust-containing air flow is introduced into the dust collecting casing 81, a large amount of dust is accumulated and collected, the air flow moves up irregularly and can smoothly contact with the three-type dust filter 84, and is discharged after being filtered by the three-type dust filter 84, so as to perform secondary pressure release, further maintain the pressure difference between the downstream chamber of the fan and the dust inlet, thereby avoiding the suction attenuation, a discharge pipe is installed at the bottom of the dust collecting casing 81, and the dust can be discharged and cleaned by opening the discharge pipe.
According to the invention, through arranging the transfer exhaust part 6, the drive material guide part 7 and the pressure relief type dust collecting part 8, two-stage pressure relief is carried out at different positions of the structure on the premise of not influencing the transmission and collection of dust, so that the pressure difference between the interior of the device and a dust lifting port is ensured, the phenomenon that the suction force is attenuated along with the increase of the using time is avoided, the problems that the conventional dust control device is large in dust lifting amount and long in continuous using time is solved, and the problem that the attenuation of the negative pressure suction force of equipment is obvious along with the increase of the operating time is solved.
The dust control scene of the side slope anchor rod drilling construction is taken as an example, and the technical scheme in the invention is also suitable for dust suppression in other side slope rock-soil layer drilling scenes.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a device of side slope stock drilling construction raise dust control which characterized in that: the dust control device comprises a dust cover (1), two groups of drill rod holes (1 a) are symmetrically formed in the dust cover (1), a dust guide pipe (2) is fixedly connected to one side of the dust cover (1), one end of the dust guide pipe (2) is connected with a negative pressure dust collection mechanism (3), a temperature control part (4) is arranged at the top of the negative pressure dust collection mechanism (3), and a pressure relief dust conveying mechanism (5) is arranged on one side, opposite to the dust guide pipe (2), of the negative pressure dust collection mechanism (3);
the pressure-releasing dust conveying mechanism (5) comprises a transfer exhaust part (6) connected to the negative pressure dust collection mechanism (3), a driving material guide part (7) is fixedly connected to the outer surface of the transfer exhaust part (6), and a pressure-releasing dust collection part (8) is arranged on the outer side of the driving material guide part (7).
2. The device of claim 1, wherein the dust control device comprises: the negative pressure dust collection mechanism (3) comprises a blowing casing (31), an isolated driving piece (32) is fixed on the inner wall of the blowing casing (31) through two groups of four vertical positioning rods, and a speed change piece (33) is arranged in the blowing casing (31).
3. The device of claim 2 for controlling dust in side slope anchor rod drilling construction, which is characterized in that: isolated driving piece (32) is including toper cover shell (321), the equal fixed mounting in toper cover shell (321) both ends has one type to strain dirt board (322), just be fixed with first motor (323) through the diaphragm on toper cover shell (321) inner wall, first motor (323) outside is equipped with fan (324) that are fixed in on toper cover shell (321) inner wall through the riser.
4. The device of claim 3 for controlling dust in side slope anchor rod drilling construction, which is characterized in that: first motor (323) output shaft is fixed with first gear wheel (331) through the initiative pivot, the meshing has first pinion (332) on first gear wheel (331) the surface, be fixed with the roller bearing on first pinion (332), be fixed with second gear wheel (333) on the roller bearing, the meshing has second pinion (334) on second gear wheel (333) the surface, be fixed with drive pivot (335) on second pinion (334).
5. The device of claim 4, wherein the dust control device comprises: initiative pivot, roller bearing and drive pivot (335) all are connected through bearing and the locating plate that is fixed in on toper cover (321) inner wall, just the central line of initiative pivot and the central line collineation of drive pivot (335), drive pivot (335) are connected with the fan blade shaft of fan (324) in second pinion (334) one end back to.
6. The device of claim 1, wherein the dust control device comprises: temperature control spare (4) are including being fixed in heat conduction on the blast air cover shell (31) and are tying board (41) even, heat conduction is even board (41) top is fixed with T type heat-conducting plate (42), the inside fixed packing of T type heat-conducting plate (42) has aluminium baffle (44), just a plurality of radiating groove has been seted up to T type heat-conducting plate (42) inside, every all be fixed with semiconductor refrigeration piece (43) on the radiating groove inner wall.
7. The device of claim 1, wherein the dust control device comprises: transfer exhaust spare (6) is including special-shaped cover shell (61), special-shaped cover shell (61) top is fixed with three group's toper pressure release pipes (63), toper pressure release pipe (63) one side is equipped with arc smooth plate (62) that are fixed in on special-shaped cover shell (61) inner wall, just toper pressure release pipe (63) bottom fixedly connected with type two dust filter (64).
8. The device of claim 1, wherein the dust control device comprises: the driving material guiding part (7) comprises a strip-shaped blanking box (71) fixed to the bottom of the special-shaped casing (61), a second motor (72) is fixed to one side of the strip-shaped blanking box (71), a cylindrical sleeve (73) is fixed to the other side of the strip-shaped blanking box (71), and a group of helical blades (74) is arranged inside the cylindrical sleeve (73).
9. The device of claim 8, wherein the dust control device comprises: the output shaft of the second motor (72) movably extends into the bar-shaped blanking box (71), a roller fixedly connected to one end of the output shaft of the second motor (72) is fixed at the center of the spiral blade (74), and the minimum distance from the outer edge of the spiral blade (74) to the inner wall of the cylindrical sleeve (73) is two millimeters.
10. The device of claim 1, wherein the dust control device comprises: pressure release formula collection dirt piece (8) is including collection dirt cover shell (81), collection dirt cover shell (81) one end fixed mounting has pipe (82) of connecting on cylindricality sleeve (73), just be equipped with a plurality of toper blast pipe (83) on collection dirt cover shell (81) surface, toper blast pipe (83) one end is fixed with three types and strains dirt board (84).
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| CN202211219276.XA CN115306332B (en) | 2022-10-08 | 2022-10-08 | Device of side slope stock drilling construction raise dust control |
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| CN202211219276.XA CN115306332B (en) | 2022-10-08 | 2022-10-08 | Device of side slope stock drilling construction raise dust control |
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| CN115306332B CN115306332B (en) | 2023-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072089A (en) * | 2023-10-16 | 2023-11-17 | 烟台兴业机械股份有限公司 | Scraper changes rock drilling rig equipment |
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| CN117072089A (en) * | 2023-10-16 | 2023-11-17 | 烟台兴业机械股份有限公司 | Scraper changes rock drilling rig equipment |
| CN117072089B (en) * | 2023-10-16 | 2024-01-26 | 烟台兴业机械股份有限公司 | Scraper changes rock drilling rig equipment |
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| CN115306332B (en) | 2023-02-07 |
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