CN113202543B - Dust falling device for open coal mine - Google Patents
Dust falling device for open coal mine Download PDFInfo
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- CN113202543B CN113202543B CN202110407925.8A CN202110407925A CN113202543B CN 113202543 B CN113202543 B CN 113202543B CN 202110407925 A CN202110407925 A CN 202110407925A CN 113202543 B CN113202543 B CN 113202543B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses a dust-settling device for an opencast coal mine, which comprises: the base, flexible subassembly, pipeline and convulsions subassembly, a supporting cylinder is established on the base, the connecting cylinder is established and is used for joint support section of thick bamboo and activity section of thick bamboo between a supporting cylinder and an activity section of thick bamboo, the activity section of thick bamboo can be followed its length direction and removed at primary importance and second place, the connecting cylinder includes upper segment and lower section of thick bamboo, upper segment and lower section of thick bamboo pivot ground are connected, be equipped with first through-hole on the outer peripheral face of a supporting cylinder, be equipped with the second through-hole on the outer peripheral face of an activity section of thick bamboo, the pipeline is established in flexible subassembly, shower nozzle subassembly and activity section of thick bamboo pivot ground are connected, the liquid outlet end intercommunication of shower nozzle subassembly and pipeline, the top at the activity section of thick bamboo is established to the convulsions subassembly. The dust-settling device provided by the embodiment of the invention can perform dust-settling operation in multiple directions, and the spraying angle is adjusted through the spray head assembly, so that the dust-settling effect of the dust-settling device is improved.
Description
Technical Field
The invention relates to the field of coal mine dust settling equipment, in particular to a dust settling device for an open pit coal mine.
Background
Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines, when the coal mines are mined, a large amount of dust is generated, the dust contains a lot of substances harmful to human health, and workers inhale harmful substances such as the dust into the human body through breathing, so that the physical health of the workers is seriously affected.
Among the correlation technique, dust fall equipment volume is fixed, and the less dust fall equipment dust fall effect of volume is poor, and the great equipment area of volume is big, and difficult transport to dust fall equipment is most of to carry out the dust fall operation to same direction, and the translation rate of dust is slow, thereby makes the time of dust fall increase lead to the dust fall inefficiency, is difficult to the angle of adjusting the shower nozzle, influences the result of use of dust fall equipment. In addition, most direct water of dust fall equipment carries out the dust fall and uses, can't use in the space that can't use water inside, uses inconveniently, the function singleness.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides the dust settling device for the open coal mine, which has the advantages of small volume, good dust settling effect, short dust settling time and simple structure.
According to the dust device for the open pit coal mine of the embodiment of the invention, the dust device comprises: a base; the telescopic component comprises a supporting cylinder, a connecting cylinder and a movable cylinder which are sequentially sleeved, wherein the supporting cylinder is arranged on the base, the connecting cylinder is arranged between the supporting cylinder and the movable cylinder and used for connecting the supporting cylinder and the movable cylinder, the movable cylinder can move at a first position and a second position along the length direction of the movable cylinder, the movable cylinder is sleeved in the connecting cylinder at the first position to contract the telescopic component, the movable cylinder penetrates out of the connecting cylinder at the second position to extend the telescopic component, the connecting cylinder comprises an upper cylinder section and a lower cylinder section, the upper cylinder section and the lower cylinder section are pivotally connected, a first through hole is formed in the peripheral surface of the supporting cylinder, and a second through hole is formed in the peripheral surface of the movable cylinder; the pipeline is arranged in the telescopic assembly, the liquid inlet end of the pipeline penetrates through the first through hole and extends out of the telescopic assembly, and the liquid outlet end of the pipeline penetrates through the second through hole and extends out of the telescopic assembly; the spray head assembly is pivotally connected with the movable barrel, the spray head assembly is communicated with the liquid outlet end of the pipeline, and the second through hole is a long-strip-shaped through hole extending along the length direction of the pipeline, so that the spray head assembly can swing up and down along the length direction of the movable barrel along with the movable barrel; and the air draft assembly is arranged above the movable cylinder.
According to the dust settling device for the open pit coal mine, the angle and the height of the air draft assembly are adjusted through the telescopic assembly, so that the dust settling device for the open pit coal mine can perform dust settling operation on multiple directions and angles, the nozzle assembly can rotate upwards due to the arrangement of the nozzle assembly, the spraying height and the diameter of the nozzle assembly are adjusted, and the dust settling effect of the dust settling device is improved.
In some embodiments, the air extraction assembly includes: the air pumping box is arranged at the upper end of the movable cylinder, the turbine is provided with a second air inlet communicated with the first air inlet, the first air inlet and the second air inlet are oppositely arranged, an air outlet is arranged on the outer peripheral surface of the air pumping box, and the direction of the air outlet is inclined downwards; the turbine is arranged in the air extracting box, and the air outlet is positioned below the turbine; the motor is arranged in the air pumping box and connected with the turbine.
In some embodiments, the dust fall device for the open pit coal mine further comprises a protective cover arranged above the air draft box and used for preventing coal cinder from falling so as to facilitate air draft of the air draft assembly.
In some embodiments, the first through holes and the second through holes are multiple, the first through holes are arranged along the circumferential direction of the supporting cylinder at intervals, the second through holes are arranged along the circumferential direction of the movable cylinder at intervals, the pipelines are multiple, the liquid inlet end of each pipeline penetrates out of the supporting cylinder through the first through holes, and the liquid outlet end of each pipeline penetrates out of the movable cylinder through the second through holes.
In some embodiments, the dust reducing apparatus for a opencast coal mine further comprises a control valve connected to a pipe inlet of the pipe.
In some embodiments, the spray head assembly includes a spray head body and a connecting pipe, a plurality of mounting plates are arranged on the outer circumferential surface of the movable cylinder at intervals along the circumferential direction of the connecting cylinder, the second through holes are formed between adjacent mounting plates, and the connecting pipe is arranged between the adjacent mounting plates through a rotating shaft.
In some embodiments, the spray head assembly further comprises a torque spring, wherein the torque spring is arranged on the rotating shaft of the connecting pipe in a penetrating mode, so that the torque spring enables the liquid outlet pipe to be kept horizontal.
In some embodiments, the base is provided with a plurality of cuttings, the cuttings are arranged at intervals along the circumferential direction of the connecting cylinder, the cuttings are provided with a limiting seat, and the limiting seat is located below the base.
In some embodiments, the dust falling device for the open pit coal mine further comprises a first electric telescopic rod, a base of the first electric telescopic rod is mounted on the base, a connecting rod is arranged at the lower end of the movable cylinder, and a piston rod of the first electric telescopic rod is pivotally connected with the connecting rod.
In some embodiments, the dust falling device for the opencast coal mine further comprises a second electric telescopic rod, the second electric telescopic rod is arranged between the upper barrel section and the lower barrel section, a base of the second electric telescopic rod is connected with the lower barrel section, and a piston rod of the second electric telescopic rod is connected with the lower barrel section.
Drawings
Fig. 1 is a schematic structural diagram of a dust settling device for a strip coal mine according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a removal connector of a dust settling device for a strip coal mine according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a movable barrel and spray head assembly of a dust settling device for an open pit coal mine according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a movable drum of the dust settling device for the open pit coal mine according to the embodiment of the invention.
Fig. 5 is a schematic structural diagram of a spray head assembly of a dust settling device for a opencast coal mine according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a turbine and a motor of the dust settling device for the open pit coal mine according to the embodiment of the invention.
Fig. 7 is a schematic structural diagram of a connecting cylinder of a dust settling device for a opencast coal mine according to an embodiment of the invention.
A dust falling device 100;
a base 1; cutting 11; a limiting seat 12;
a telescopic assembly 2; a support cylinder 21; a first through hole 211; a second flange 212; a connecting cylinder 22; an upper barrel section 221; a first connection plate 2211; a lower barrel section 222; a second connection plate 2221; a first flange 224; a movable barrel 23; a second through hole 231; a connecting rod 232; a third flange 233;
a pipe 3;
a showerhead assembly 4; a head body 41; a connecting pipe 42; a torque spring 43; a mounting plate 44;
an air draft assembly 5; a suction box 51; an air outlet 511; a turbine 53; a second air inlet 531; a motor 54; a protective cover 55;
a first electric telescopic rod 7; and a second electric telescopic rod 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A dust fall apparatus for a opencast coal mine according to an embodiment of the present invention will be described with reference to fig. 1 to 7.
As shown in fig. 1 to 7, a dust reducing device 100 for a strip coal mine according to an embodiment of the present invention includes a base 1, a telescopic assembly 2, a pipe 3, a nozzle assembly 4, and an air draft assembly 5.
The telescopic component 2 comprises a support cylinder 21, a connecting cylinder 22 and a movable cylinder 23 which are sequentially sleeved, the support cylinder 21 is arranged on the base 1, the connecting cylinder 22 is arranged between the support cylinder 21 and the movable cylinder 23 and used for connecting the support cylinder 21 and the movable cylinder 23, the movable cylinder 23 can move at a first position and a second position along the length direction (the vertical direction shown in fig. 1), at the first position, the movable cylinder 23 is sleeved in the connecting cylinder 22 to contract the telescopic component 2, at the second position, the movable cylinder 23 penetrates out of the connecting cylinder 22 to extend the telescopic component 2, the connecting cylinder 22 comprises an upper cylinder section 221 and a lower cylinder section 222, the upper cylinder section 221 and the lower cylinder section 222 are pivotally connected, a first through hole 211 is formed in the outer peripheral surface of the support cylinder 21, and a second through hole 231 is formed in the outer peripheral surface of the movable cylinder 23.
The nozzle assembly 4 is pivotally connected with the movable cylinder 23, the nozzle assembly 4 is communicated with the liquid outlet end of the pipeline 3, and the second through hole 231 is a long-strip through hole extending along the length direction of the pipeline 3, so that the nozzle assembly 4 can vertically move along with the movable cylinder 23 and vertically swing along the length direction of the movable cylinder 23.
The ventilation assembly 5 is arranged above the movable cylinder 23, so that dust is sucked into the ventilation assembly 5 through the ventilation assembly 5.
It can be understood that: the present invention is not limited to the pipe 3, and the pipe 3 may be a flexible pipe or a bellows. In the first position, the movable cylinder 23 is located in the support cylinder 21, and the support cylinder 21 is located in the connecting cylinder 22, i.e. the telescopic assembly 2 is in a telescopic state. The second position is as follows: the movable cylinder 23 drives the pipeline 3 to rise until the pipeline 3 is just in a tensioning state.
According to the dust suppression device 100 for the open pit coal mine, the movable cylinder 23 can move in the first position and the second position along the length direction of the movable cylinder, the connecting cylinder 22 comprises the upper cylinder section 221 and the lower cylinder section 222, and the upper cylinder section 221 and the lower cylinder section 222 are connected in a pivoting mode, so that the height and the direction of the liquid outlet end of the pipeline 3 and the air draft assembly 5 can be adjusted, the dust suppression device 100 can perform dust suppression on areas with different heights or areas with different angles, the use efficiency of the dust suppression device 100 is improved, and the dust suppression effect of the dust suppression device 100 is improved.
According to the dust falling device 100 for the open pit coal mine, the spray head assembly 4 is connected with the movable cylinder 23 in a pivoting mode, the spray head assembly 4 is communicated with the liquid outlet end of the pipeline 3, when the movable cylinder 23 moves to the second position, the pipeline 3 pulls the spray head assembly 4 to rotate upwards to change the spraying angle of the spray head assembly 4 due to the fact that the length of the pipeline 3 is limited and the movable cylinder 23 continuously moves upwards, and therefore the spraying range is adjusted, the dust falling efficiency of the dust falling device 100 is further improved, and dust is effectively reduced.
In some embodiments, the ventilation assembly 5 comprises: a suction box 51, a turbine 53 and a motor 54. The air pumping box 51 is arranged at the upper end of the movable cylinder 23, a first air inlet (not shown in the figure) is arranged on the upper end face of the air pumping box 51, an inclined hole air outlet 511 is arranged on the outer peripheral surface of the air pumping box 51, the direction of the air outlet 511 inclines downwards, the turbine 53 is arranged in the air pumping box 51, the turbine 53 is provided with a second air inlet 531 communicated with the first air inlet, the first air inlet and the second air inlet 531 are oppositely arranged, and the air outlet 511 is positioned below the turbine 53. The motor 54 is provided in the pumping box 51 and connected to the turbine 53.
Specifically, the upper end of the air suction box 51 is provided with a first air outlet, the turbine 53 is arranged in the air suction box 51, the turbine 53 is provided with a second air inlet 531 with an upward opening, the first air inlet is communicated with the second air inlet 53, the outer peripheral surface of the air suction box 51 is provided with a plurality of air outlets 511 arranged at intervals, the air outlets 511 are located below the turbine 53, and the air outlets 511 are inclined downwards from the inside of the air suction box 51 to the outside of the air suction box 51, so that the turbine 53 rotates to suck dust into the air suction box 51 through the first air inlet, then the dust is sucked into the turbine 53 through the second air inlet 531, and then the dust is obliquely and downwards sprayed through the air outlets 511, so that the dust is mixed with water sprayed out by the nozzle assembly 4 and falls to the ground, thereby effectively reducing the dust and improving the dust settling efficiency of the dust settling device 100.
In some embodiments, both the lower end of the movable cylinder 23 and the upper end of the support cylinder 21 are sleeved in the connecting cylinder 22, the diameter of the support cylinder 21 is larger than that of the movable cylinder 23, first flanges 224 are arranged on the inner circumferential surfaces of the upper and lower ends of the movable cylinder 23, a second flange 212 is arranged on the outer circumferential surface of the upper end of the support cylinder 21, the first flanges 224 are arranged in the connecting cylinder 22 and matched with the first flanges 224 of the lower end of the movable cylinder 23 in a stopping manner to prevent the support cylinder 21 and the connecting cylinder 22 from being pulled off, third flanges 233 are arranged on the outer circumferential surface of the lower end of the movable cylinder 23, and the third flanges 233 are arranged in the connecting cylinder 22 and matched with the first flanges 224 of the upper end of the movable cylinder 23 in a stopping manner to prevent the movable cylinder 23 and the connecting cylinder 22 from being pulled off.
In some embodiments, dust suppression apparatus 100 further comprises a shield 55 disposed above suction box 51. From this, the protection casing 55 can prevent that the cinder from dropping to in drawing the bellows 51, can play the guard action to convulsions subassembly 5, has prolonged convulsions subassembly 5's life.
In some embodiments, the first through holes 211 and the second through holes 231 are plural, the plural first through holes 211 are arranged at intervals in the circumferential direction of the connector barrel 22, and the plural second through holes 231 are arranged at intervals in the circumferential direction of the connector barrel 22. The number of the pipelines 3 is multiple, the liquid inlet end of each pipeline 3 penetrates through the first through hole 211, and the liquid outlet end of each pipeline 3 penetrates through the second through hole 231. Specifically, as shown in fig. 1 to 3, the plurality of first through holes 211 are formed in the outer circumferential surface of the support cylinder 21 at intervals along the circumferential direction of the connecting cylinder 22, the plurality of second through holes 231 are formed in the outer circumferential surface of the movable cylinder 23 along the circumferential direction of the connecting cylinder 22, the liquid inlet end of the pipeline 3 penetrates through the first through holes 211, extends out of the support cylinder 21 and is connected with an external water pipe, and the liquid outlet end of the pipeline 3 penetrates through the second through holes 231, extends out of the movable cylinder 23 and sprays water, so that the spraying range is enlarged, and the dust settling effect of the dust settling device 100 is further improved.
In some embodiments, dust suppression device 100 further comprises a control valve (not shown) connected to the liquid inlet of conduit 3. From this, opening and closing through the inlet of control valve control pipeline 3, conveniently controlling opening and closing of shower nozzle subassembly 4, when the control valve is closed, dust device 100 only moves dust extraction, and when the control valve was opened, can the limit dust exhaust while watering dust fall to make dust device 100 use more in a flexible way.
In some embodiments, the head assembly 4 includes a head body 41 and a connection pipe 42, a plurality of mounting plates 44 are provided on an outer circumferential surface of the movable barrel 23 at intervals along a circumferential direction of the connection barrel 22, the second through holes 231 are formed between the adjacent mounting plates 44, and the connection pipe 42 is provided between the adjacent mounting plates 44 through a rotation shaft.
From this, when activity section of thick bamboo 23 removed to the second position, because the length of pipeline 3 is limited for pipeline 3 is straightened, and activity section of thick bamboo 23 continuously moves, and pipeline 3 will stimulate shower nozzle subassembly 4 and make connecting pipe 42 rotate from top to bottom along the pivot, drive shower nozzle body 41 and reciprocate, thereby change shower nozzle body 41's spray angle diameter, further improved dust device 100's dust fall effect.
It can be understood that the nozzle body 41 adopts arc-shaped atomizing nozzles, the spraying radius of each arc-shaped atomizing nozzle is 90 degrees, and the number of the nozzle body 41 is not less than 4, so that the arc-shaped atomizing nozzles spray 360 degrees.
In some embodiments, the spray head assembly 4 further comprises a torsion spring 43, and the torsion spring 43 is disposed on the rotation shaft of the connection pipe 42, so that the torsion spring 43 keeps the liquid outlet pipe horizontal. Specifically, as shown in fig. 3 (fig. 3 is a bottom view of the movable cylinder 23) and fig. 5, the torque spring 43 is inserted into the rotation shaft, one end of the torque spring 43 is mounted on the connection pipe 42, and the other end of the torque spring 43 is mounted on the mounting plate 44, so that when the inclination angle of the head body 41 does not need to be adjusted, the movable cylinder 23 moves downward, and the head body 41 is returned to the horizontal position by the torsional force of the torque spring 43.
In some embodiments, as shown in fig. 1, a plurality of cuttings 11 are provided on the base 1, the plurality of cuttings 11 are arranged at intervals along the circumferential direction of the connecting cylinder 22, a limiting seat 12 is provided on each of the cuttings 11, and the limiting seat 12 is located below the base 1. From this, insert through a plurality of cuttage 11 and establish and fix base 1 on ground, through spacing seat 12 and ground contact, effectively prevent that dust device 100 from taking place the slope, improve cuttage 11's stationary force to cuttage 11's stability has been improved.
In some embodiments, the dust falling device 100 further includes a first electric telescopic rod 7 and a second electric telescopic rod 8, the base of the first electric telescopic rod 7 is mounted on the base 1, the lower end of the movable tube 23 is provided with a connecting rod 232, and the piston rod of the first electric telescopic rod 7 is pivotably connected with the connecting rod 232 through a connecting shaft.
The second electric telescopic rod 8 is arranged between the upper barrel section 221 and the lower barrel section 222, the base 1 of the second electric telescopic rod 8 is connected with the lower barrel section 222, and the piston rod of the second electric telescopic rod 8 is connected with the lower barrel section 222. Specifically, as shown in fig. 7, the lower end of the upper cylinder section 221 is provided with a first connecting plate 2211, the upper end of the upper cylinder section 221 is provided with a second connecting plate 2221, and the first connecting plate 2211 and the second connecting plate 2221 are pivotably connected. Therefore, the first electric telescopic rod 7 drives the movable cylinder 23 to ascend or descend, the telescopic assembly 2 extends or shortens in an advancing mode, and the second electric telescopic rod 8 drives the upper cylinder section 221 to rotate along the lower cavity section.
The working process of the embodiment of the invention is as follows:
before use: insert base 1 through cuttage 11 subaerial, the lower bottom surface of spacing seat 12 contacts with ground for more stable of base 1 installation makes dust device 100 fix subaerial, and a movable section of thick bamboo 23 is in the first position, and telescopic component 2 is in the shrink state promptly.
When in use: the first electric telescopic rod 7 is opened, so that the movable cylinder 23 rises to drive the movable cylinder 23 to move upwards to the second position, the pipeline 3 is in a stretching state, the sprayer body 41 is in a horizontal state at the moment, the movable cylinder 23 continuously rises, the pipeline 3 pulls the connecting pipe 42 to rotate upwards, the sprayer body 41 rotates upwards, the spraying angle of the sprayer body 41 is adjusted, the first electric telescopic rod 7 is closed, the control valve and the motor 54 are opened, so that the pipeline 3 is filled with water, the sprayer body 41 starts to work, meanwhile, the turbine 53 rotates to pump dust into the air pumping box 51 through the first air inlet, the dust is pumped into the turbine 53 through the second air inlet 531, the dust is obliquely and downwards sprayed through the air outlet 511, the dust is mixed with water sprayed out of the sprayer assembly 4 and falls to the ground, so that the dust is effectively reduced, when the inclination angle of the sprayer assembly 4 does not need to be adjusted, with first electric telescopic handle 7 drive a movable section of thick bamboo 23 downstream, make shower nozzle subassembly 4 playback and keep the level to use through torque spring 43's elasticity to effectively reduced the dust, improved dust device 100's dust fall efficiency.
When dust device 100 is in the special area that can not lead to water, in order to avoid the damage that the water spray caused and improve dust fall efficiency, close the control valve, stop supplying water to pipeline 3, open second electric telescopic handle 8, make second electric telescopic handle 8 drive upper barrel section 221 and rotate, meanwhile, first electric telescopic handle 7 is opened, make the pivot point between first electric telescopic handle 7 adjustment connecting rod 232 and the first electric telescopic handle 7, thereby make activity section of thick bamboo 23 along with upper barrel section 221 slope, thereby make the first air intake of convulsions subassembly 5 and the region that the alignment needs the dust fall, improve dust device 100's dust fall efficiency, make dust device 100 can satisfy the use under the different situation.
Therefore, the dust falling device 100 for the open pit coal mine has the advantages of small volume, good dust falling effect, easiness in carrying, simplicity in use and the like, can be applied to a space where water cannot be used, and can be applied to a space where water cannot be used
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (2)
1. A dust device for opencut coal mine, characterized by includes:
the cutting device comprises a base, wherein a plurality of cuttings are arranged on the base, a limiting seat is arranged on each cutting, and the limiting seat is positioned below the base;
the telescopic component comprises a supporting barrel, a connecting barrel and a movable barrel which are sequentially sleeved, the supporting barrel is arranged on the base, a plurality of cuttage is arranged along the circumferential direction of the connecting barrel at intervals, the connecting barrel is arranged between the supporting barrel and the movable barrel and is used for connecting the supporting barrel and the movable barrel, the movable barrel can move at a first position and a second position along the length direction of the movable barrel, the movable barrel is sleeved in the connecting barrel to contract the telescopic component at the first position, the movable barrel penetrates out of the connecting barrel to extend the telescopic component and comprises an upper barrel section and a lower barrel section, the upper barrel section is pivotally connected with the lower barrel section, a first through hole is formed in the outer peripheral surface of the supporting barrel, a second through hole is formed in the outer peripheral surface of the movable barrel, and first flanges are formed in the inner peripheral surfaces of the upper end and the lower end of the movable barrel, a second flange is arranged on the outer peripheral surface of the upper end of the supporting cylinder, the first flange is arranged in the connecting cylinder and matched with the first flange stop at the lower end of the movable cylinder, a third flange is arranged on the outer peripheral surface of the lower end of the movable cylinder, and the third flange is arranged in the connecting cylinder and matched with the first flange stop at the upper end of the movable cylinder;
the pipeline is arranged in the telescopic assembly, the liquid inlet end of the pipeline penetrates through the first through hole and extends out of the telescopic assembly, and the liquid outlet end of the pipeline penetrates through the second through hole and extends out of the telescopic assembly;
the spray head assembly is pivotally connected with the movable barrel and communicated with the liquid outlet end of the pipeline, the second through hole is a long-strip-shaped through hole extending along the length direction of the pipeline, so that the spray head assembly swings up and down along the length direction of the movable barrel along with the movable barrel, the spray head assembly comprises a spray head body, a connecting pipe and a torque spring, a plurality of mounting plates are arranged on the peripheral surface of the movable barrel at intervals along the circumferential direction of the connecting barrel, the second through hole is formed between the adjacent mounting plates, the connecting pipe is arranged between the adjacent mounting plates through a rotating shaft, and the torque spring is arranged on the rotating shaft of the connecting pipe in a penetrating mode so that the liquid outlet pipe can be kept horizontal by the torque spring;
the air draft assembly is arranged above the movable cylinder, dust is sucked into the air draft assembly through the air draft assembly, the air draft assembly comprises an air draft box, a turbine and a motor, the air draft box is arranged at the upper end of the movable cylinder, a first air inlet is formed in the upper end face of the air draft box, an air outlet is formed in the outer peripheral face of the air draft box, the direction of the air outlet inclines downwards, the turbine is arranged in the air draft box, the turbine is provided with a second air inlet communicated with the first air inlet, the opening of the second air inlet faces upwards, the first air inlet and the second air inlet are oppositely arranged, the air outlet is located below the turbine, and the motor is arranged in the air draft box and connected with the turbine;
the protective cover is arranged above the air pumping box and used for preventing the coal cinder from falling so as to facilitate air pumping of the air pumping assembly;
the control valve is connected with the liquid inlet of the pipeline;
the base of the first electric telescopic rod is mounted on the base, the lower end of the movable cylinder is provided with a connecting rod, and a piston rod of the first electric telescopic rod is pivotally connected with the connecting rod;
and the second electric telescopic rod is arranged between the upper barrel section and the lower barrel section, the base of the second electric telescopic rod is connected with the lower barrel section, and the piston rod of the second electric telescopic rod is connected with the lower barrel section.
2. A dust fall device for a opencast coal mine according to claim 1, wherein the first through-holes and the second through-holes are plural, the plural first through-holes are provided at intervals in a circumferential direction of the support cylinder, the plural second through-holes are provided at intervals in a circumferential direction of the movable cylinder,
the pipeline is a plurality of, and the inlet end of each pipeline passes through first through-hole wears out the support section of thick bamboo, the pipeline of each go out the liquid end pass through the second through-hole wears out movable section of thick bamboo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407925.8A CN113202543B (en) | 2021-04-15 | 2021-04-15 | Dust falling device for open coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407925.8A CN113202543B (en) | 2021-04-15 | 2021-04-15 | Dust falling device for open coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113202543A CN113202543A (en) | 2021-08-03 |
| CN113202543B true CN113202543B (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110407925.8A Active CN113202543B (en) | 2021-04-15 | 2021-04-15 | Dust falling device for open coal mine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206035527U (en) * | 2016-09-26 | 2017-03-22 | 陶伟 | Colliery is dust device in pit |
| CN108261841A (en) * | 2016-12-30 | 2018-07-10 | 天津泰广网络科技有限公司 | A kind of centrifugal cleaner |
| CN207745653U (en) * | 2017-12-07 | 2018-08-21 | 河北金科环保设备有限公司 | It is a kind of can 360 deg rotation spray for dust suppression equipment |
| CN208587183U (en) * | 2018-06-13 | 2019-03-08 | 成都智泰睿生物科技有限公司 | A kind of coal underground device for reducing dust |
| CN208911704U (en) * | 2018-10-19 | 2019-05-31 | 王剑辉 | A kind of construction of the highway atomized dust settling machine |
| CN210714768U (en) * | 2019-07-15 | 2020-06-09 | 西山煤电建筑工程集团有限公司矿建第三分公司 | Intelligent control air water spraying dust falling device for blasting of coal mine |
| CN210495687U (en) * | 2019-09-03 | 2020-05-12 | 邓进永 | On-spot dust collector for construction |
| CN211500710U (en) * | 2019-12-22 | 2020-09-15 | 李旦 | Spray dust removal equipment for coal mine machine |
| CN212119416U (en) * | 2020-04-21 | 2020-12-11 | 广东省怡合建设有限公司 | Environmental protection dust device for building engineering |
| JP3234824U (en) * | 2020-07-28 | 2021-11-04 | 蘇州諾納可電子科技有限公司 | Fly ash spray processing equipment |
| CN111957137A (en) * | 2020-08-12 | 2020-11-20 | 程明兵 | Building site raise dust processing apparatus for environmental protection |
| CN112619328A (en) * | 2020-12-03 | 2021-04-09 | 北京中铁建建筑科技有限公司 | Liftable dust fall spray set |
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