CN114798217A - External high-pressure lotus spraying device of roadheader - Google Patents
External high-pressure lotus spraying device of roadheader Download PDFInfo
- Publication number
- CN114798217A CN114798217A CN202210372209.5A CN202210372209A CN114798217A CN 114798217 A CN114798217 A CN 114798217A CN 202210372209 A CN202210372209 A CN 202210372209A CN 114798217 A CN114798217 A CN 114798217A
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- China
- Prior art keywords
- spraying
- water
- pressure
- roadheader
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 67
- 240000002853 Nelumbo nucifera Species 0.000 title claims abstract description 15
- 235000006508 Nelumbo nucifera Nutrition 0.000 title claims abstract description 15
- 235000006510 Nelumbo pentapetala Nutrition 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000007921 spray Substances 0.000 claims abstract description 54
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims abstract 2
- 239000002817 coal dust Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/23—Distribution of spraying-fluids in rotating cutter-heads
Abstract
The invention discloses an external high-pressure lotus spraying device of a roadheader, which is a cooling water system connected with the roadheader and comprises a high-pressure water pump and a spraying structure. The output water pipe of the cooling water system is connected with a tee pipe fitting, the tee pipe fitting is connected with a water pipe in a sealing mode, the other end of the water pipe is connected with a water inlet of a high-pressure water pump, and a water outlet of the high-pressure water pump is communicated with a spraying structure through a pressure-resistant hose. The spraying structure is arranged on a telescopic part cover plate in the cutting part of the roadheader through a spray head bracket, comprises a base and a spraying head, is in a shower shape as a whole, and is internally provided with a water spraying cavity; the front end surface of the spray head is provided with a main spray nozzle and a plurality of auxiliary spray nozzles which are circumferentially arranged by taking the main spray nozzle as a center, and the main spray nozzle and the auxiliary spray nozzles are communicated with the water spray cavity. The produced water smoke of this device can cover whole cutterhead and pars contractilis, effectively reduces the coal dust of tunnelling the head-on, increases the visibility, and better remote control is combined and is tunneled quick-witted operation, and the reduction personnel get into head-on quantity, ensure head-on construction safety.
Description
Technical Field
The invention relates to the technical field of underground mechanical equipment of coal mines, in particular to an external high-pressure lotus spraying device of a fully-mechanized excavating machine.
Background
The comprehensive mechanical tunneling machine is a comprehensive mechanical device integrating multiple functions of tunneling, rock loading, coal transporting, even supporting and nailing. During the use process of the fully-mechanized excavating machine, a large amount of dust is generated, and the physical and psychological health of workers is influenced by the excessive dust concentration, so that a remote control fully-mechanized excavating head mode is adopted in a 1313 adhesive tape crossheading connection roadway (a half coal rock roadway); when the roadway is started to cut coal, the coal dust of the roadway is very large, the visual degree is reduced, unnecessary difficulties are brought to remote operation, so that coal mine workers need to enter an operation site to check at random, and certain potential safety hazards exist while the workload of the workers is increased. At present, the fully-mechanized excavating machine generally adopts a spraying dust-settling mode combining inner spraying and outer spraying, but because the spray head is often blocked by particles in dust such as coal dust, rock dust and the like, the existing spraying mode of the fully-mechanized excavating machine is difficult to effectively treat, and the use requirement of the fully-mechanized excavating machine for remote control is difficult to ensure.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an external high-pressure lotus spraying device of a roadheader.
In order to solve the technical problems, the invention adopts the technical scheme that: the outer high-pressure lotus spraying device of the fully-mechanized excavating machine is connected to a cooling water system of the fully-mechanized excavating machine and comprises a high-pressure water pump and a spraying structure, a tee pipe fitting is connected to an output pipe in the cooling water system, a water delivery pipe is connected to an intermediate output port of the tee pipe fitting in a sealing mode, the other end of the water delivery pipe is connected to a water inlet of the high-pressure water pump, and a water outlet of the high-pressure water pump is communicated with the spraying structure through a pressure hose.
The spraying structure is fixedly installed on the upper end face of a telescopic part cover plate of the cutting part of the roadheader through a spray nozzle support, the spray nozzle support comprises an outer support and an inner support, the inner support is horizontally and rotatably connected to the bottom face of the inner part of the outer support, and the spraying structure is vertically and rotatably installed on the upper part of the inner support.
The spraying structure is in a shower shape and comprises a base and a spraying head, the spraying head is fixedly arranged on the base in a square structure and is communicated with the base, and a water spraying cavity is arranged in the spraying structure; the front end surface of the spray head is an arc surface which protrudes outwards, the center of the spray head is provided with a main spray nozzle, the periphery of the spray head is equidistantly provided with a plurality of auxiliary spray nozzles which are circumferentially arranged by taking the main spray nozzle as the center, and the main spray nozzle and the auxiliary spray nozzles are communicated with the water spray cavity.
Furthermore, a check valve and a sensor are arranged on the three-way pipe fitting, and the on-off of the three-way pipe fitting is remotely controlled through the sensor.
Furthermore, the outer support in the nozzle support is of a semi-cylindrical structure, two ends of the outer support are open, the inner part of the outer support is hollow, the arc-shaped edge at the front end of the outer support is inwards sunken, and the extending distance of the arc-shaped edge is shorter than that of the flat edge at the bottom.
Furthermore, the inner support is of a U-shaped structure, and the lower end face of the inner support is connected to the outer support through a turntable bearing; the central position of the rear end of a transverse plate in the inner support is provided with a limiting bulge, the bottom surface corresponding to the outer support is provided with two limiting blocks, and the two limiting blocks are matched with the limiting bulge to limit the left and right swing angles of the spraying structure.
Furthermore, bolt holes are formed in the left side and the right side of the base in the spraying structure; the vertical side walls at the two ends of the inner support are provided with symmetrical through holes, and the pin shaft penetrates through the through holes and is in threaded connection with the bolt holes of the base, can rotate around the through holes and drives the spraying structure to rotate up and down.
Furthermore, the high-pressure water pump is installed at the rear end of the telescopic part through a fixed support, and the water pressure of the water outlet is 0.4 MPa.
Furthermore, the two spraying structures are respectively positioned at the left side and the right side of the front part of the cover plate of the telescopic part, the spraying directions are all directed to the cutting head in the cutting part, and the front sides of the sprayed water mist are in crossed spraying.
Compared with the prior art, the invention has the following beneficial effects: the device has a good spraying effect, the generated water mist can cover the whole cutting head and the telescopic part, coal dust generated by the tunneling head-on during cutting is effectively reduced, and the dust removing fan at the rear part of the roadheader and the external spraying of the roadheader are matched, so that the visibility effect of the head-on is good, the operation condition of the head-on can be clearly seen, the operation of the roadheader is better controlled by using remote control equipment, the number of people entering the head-on is reduced, and the safety of head-on construction is ensured.
Drawings
FIG. 1 is a schematic diagram of the connection relationship between the structures of the present invention;
FIG. 2 is a schematic diagram of the spray configuration of the present invention;
FIG. 3 is a schematic view of the installation position of the spray structure of the present invention;
in the figure: 1. the device comprises a high-pressure water pump, 2, a tee pipe fitting, 3, a spraying structure, 4, a water delivery pipe, 5, a pressure-resistant hose, 6, a pressure detection valve, 7, an output water pipe, 8 and a telescopic part cover plate;
31. the device comprises an outer support, 32, an inner support, 33, a base, 34, a spray head, 35, a main spray nozzle, 36, an auxiliary spray nozzle, 37 and a pin shaft.
Detailed Description
It should be noted that in the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the respective components of the present invention, and do not particularly indicate that any component of the present invention must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
as shown in fig. 1 to 3, the external high-pressure lotus spraying device of the roadheader is installed and applied to the upper end of a telescopic part of a cutting part of the roadheader, a water supply source is from a cooling water system of the roadheader, and the external high-pressure lotus spraying device mainly comprises a high-pressure water pump 1 and a spraying structure 3. A three-way pipe fitting 2 with the specification of phi 19 is connected to an output water pipe 7 of the cooling water system of the roadheader, a water delivery pipe 4 is hermetically connected to an intermediate output port of the three-way pipe fitting 2, and meanwhile, a check valve and a sensor are arranged on the three-way pipe fitting 2, so that the on-off condition of a pipe orifice on the three-way pipe fitting 2 can be remotely controlled through the sensor; the other end of the water delivery pipe 4 is fixedly connected with a water inlet of the high-pressure water pump 1 through a pipe hoop, the high-pressure water pump 1 is installed at the rear end of a telescopic part of the roadheader through a fixing support, a water outlet of the high-pressure water pump 1 is communicated with the spraying structure 3 through a pressure-resistant hose 5, meanwhile, a pressure detection valve 6 is installed on the pressure-resistant hose 5 and at a position close to the high-pressure water pump 1, the water pressure in the pressure-resistant hose 5 is monitored in real time, and the water pressure is controlled to be 0.4 MPa.
The spraying structure 3 is fixedly arranged on the upper end surface of the cover plate 8 of the telescopic part in the cutting part of the roadheader through a spray head bracket, and the spray head bracket comprises an outer bracket 31 and an inner bracket 32 in combination with figure 2. The outer support 31 is in a semi-cylindrical structure, the front end and the rear end of the outer support are open, the inner part of the outer support is hollow, and the outer support 31 is fixed at the designated position of the telescopic part cover plate 8 in a welding mode; the arc top position of the arc edge at the front end of the outer bracket 31 is inwards recessed, so that the extending distance of the arc edge is smaller than that of the straight edge; the inner support 32 is installed at the center of the inner side wall of the transverse plate in the outer support 31 through a turntable bearing, the integral structure of the inner support 32 is U-shaped, and the vertical plates at the two sides of the inner support are provided with through holes which are symmetrical with each other.
The spraying structure 3 comprises a base 33 and a spraying head 34, and is in a shower shape as a whole; the rear end of the spray head 34 is fixedly arranged at the front side of the base 33 which is in a square structure, and is communicated with the base, and a water spraying cavity is arranged in the spray head; the left and right side walls of the base 33 are provided with opposite bolt holes, and the whole spraying structure 3 is rotatably mounted on the upper part of the inner support 32 by a pin 37 passing through a through hole on the inner support 32 and the corresponding bolt hole on the base 33. The front end surface of the spray head 34 is a convex arc surface, the center of the spray head is provided with a main spray nozzle 35, and a spray nozzle is detachably arranged; the six auxiliary atomizing nozzles 36 are circumferentially arranged at equal intervals by taking the main atomizing nozzle 35 as a center, and the six auxiliary atomizing nozzles 36 are arranged in a diffusion manner due to the arc-shaped front end surface, and corresponding nozzles are detachably mounted in the six auxiliary atomizing nozzles, so that the coverage range of the water mist sprayed by the whole atomizing structure 3 is wide; the main spray nozzle 35 and the auxiliary spray nozzle 36 are both communicated with the water spray cavity.
As a further optimized scheme of the invention, a limiting bulge is arranged at the central position of the rear end of a transverse plate of an inner support 32 in a spray head support, two limiting blocks are arranged on the inner side surface corresponding to a bottom plate of an outer support 31 and are respectively positioned on two sides of the limiting bulge, and the limiting bulges are matched with each other to limit the rotating angle of the inner support 32 relative to the outer support 31, so that the left and right swing angles of the spraying structure 3 are limited.
As a further optimization scheme of the invention, the two spraying structures 3 are respectively and fixedly arranged on the left side and the right side of the front part of the cover plate 8 of the telescopic part, the spraying directions of the two spraying structures point to the cutting head in the cutting part, and the sprayed water mist is crossed in the front direction, so that the coverage area of the head-on part is increased, and the visualization degree is enhanced.
The parts which are not described in the invention can be realized by adopting or referring to the technical characteristics in the prior art.
The specific use principle is as follows: when the remote control comprehensive excavator is used for starting and cutting coal, the comprehensive excavator needs to be cooled by using cooling water in real time due to overheating operation, so that a large amount of waste of the cooling water is caused, a tee pipe fitting 2 is additionally arranged on an output water pipe 7 of a cooling water system, and the used cooling water is subjected to shunt utilization. The check valve on the remote control tee pipe fitting 2 is opened, part of cooling water flows into the water delivery pipe 4 through the tee pipe fitting 2, under the action of the high-pressure water pump 1, the cooling water is pressurized to enter the pressure-resistant hose 5, then the cooling water is injected into the water spray cavity in the spray structure 3, and the cooling water is sprayed out from the main spray nozzle 35 and the auxiliary spray nozzle 36 to form a thin fog cluster, so that the adsorption force to coal dust and dust is increased, the whole cutting head and the telescopic part are covered, the coal dust facing head is reduced, the visibility is increased, and the working condition of the cutting head is clearly observed.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention, and the present invention is not limited to the above-mentioned examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (7)
1. Combine quick-witted outer high pressure lotus flower atomizer that digs, be connected to the cooling water system who combines the machine of digging, its characterized in that: the spraying device comprises a high-pressure water pump and a spraying structure, wherein a tee pipe fitting is connected to an output water pipe in a cooling water system, a water pipe is connected to an intermediate output port of the tee pipe fitting in a sealing manner, the other end of the water pipe is connected to a water inlet of the high-pressure water pump, and a water outlet of the high-pressure water pump is communicated with the spraying structure through a pressure-resistant hose;
the spraying structure is fixedly arranged on the upper end face of a telescopic part cover plate of the cutting part of the roadheader through a spray head support, wherein the spray head support comprises an outer support and an inner support, the inner support is horizontally and rotatably connected to the inner bottom surface of the outer support, and the spraying structure is vertically and rotatably arranged on the upper part of the inner support;
the spraying structure is in a shower shape and comprises a base and a spraying head, the spraying head is fixedly arranged on the base in a square structure and is communicated with the base, and a water spraying cavity is arranged in the spraying structure; the front end surface of the spray head is an arc surface which protrudes outwards, the center of the spray head is provided with a main spray nozzle, the periphery of the spray head is equidistantly provided with a plurality of auxiliary spray nozzles which are circumferentially arranged by taking the main spray nozzle as the center, and the main spray nozzle and the auxiliary spray nozzles are communicated with the water spray cavity.
2. The external high-pressure lotus spraying device of the roadheader as claimed in claim 1, wherein: and the three-way pipe fitting is provided with a check valve and a sensor, and the on-off of the three-way pipe fitting is remotely controlled through the sensor.
3. The external high-pressure lotus spraying device of the roadheader as claimed in claim 1, wherein: the outer support in the spray head support is of a semi-cylindrical structure, two ends of the outer support are open, the inner portion of the outer support is hollow, the arc-shaped edge of the front end of the outer support is inwards sunken, and the extending distance of the outer support is shorter than that of the flat edge of the bottom.
4. The external high-pressure lotus spraying device of the roadheader as claimed in claim 3, wherein: the inner support is of a U-shaped structure, and the lower end face of the inner support is connected to the outer support through a turntable bearing; the central position of the rear end of a transverse plate in the inner support is provided with a limiting bulge, the bottom surface corresponding to the outer support is provided with two limiting blocks, and the two limiting blocks are matched with the limiting bulge to limit the left and right swing angles of the spraying structure.
5. The external high-pressure lotus spraying device of the roadheader as claimed in claim 4, wherein: the left side and the right side of the base in the spraying structure are provided with bolt holes; the vertical side walls at the two ends of the inner support are provided with symmetrical through holes, and the pin shaft penetrates through the through holes and is in threaded connection with the bolt holes of the base, can rotate around the through holes and drives the spraying structure to rotate up and down.
6. The external high-pressure lotus spraying device of the roadheader as claimed in claim 1, wherein: the high-pressure water pump is installed at the rear end of the telescopic part through a fixed support, and the water pressure of the water outlet is 0.4 MPa.
7. The external high-pressure lotus spraying device of the roadheader as claimed in claim 1, wherein: the spraying structure is equipped with two, is located the left and right sides of the anterior position of flexible portion apron respectively, and the cutterhead in the cutting part is all pointed to the spraying direction, and spun water smoke front side is the intersection and sprays.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210372209.5A CN114798217A (en) | 2022-04-11 | 2022-04-11 | External high-pressure lotus spraying device of roadheader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210372209.5A CN114798217A (en) | 2022-04-11 | 2022-04-11 | External high-pressure lotus spraying device of roadheader |
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CN114798217A true CN114798217A (en) | 2022-07-29 |
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Family Applications (1)
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CN202210372209.5A Pending CN114798217A (en) | 2022-04-11 | 2022-04-11 | External high-pressure lotus spraying device of roadheader |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199107A (en) * | 1977-06-09 | 1980-04-22 | Green And Bingham Limited | Liquid spray jet assembly and a mineral mining machine cutting head incorporating such assembly |
CN101982244A (en) * | 2010-10-22 | 2011-03-02 | 合肥辰泰安全设备有限责任公司 | Double-fluid atomization sprayer |
CN202174010U (en) * | 2011-06-28 | 2012-03-28 | 郑州光力科技股份有限公司 | Dust fall spray head for coal mining machine |
CN207609421U (en) * | 2017-12-05 | 2018-07-13 | 山西煤炭运销集团晋城有限公司 | A kind of atomizing de-dusting apparatus applied on fully-mechanized digging machine |
CN208605195U (en) * | 2018-06-28 | 2019-03-15 | 山东泰山能源有限责任公司协庄煤矿 | A kind of foot-operated atomizing de-dusting apparatus applied to backhoe loader |
CN209621314U (en) * | 2018-12-29 | 2019-11-12 | 山东东山新驿煤矿有限公司 | A kind of fully-mechanized digging machine cooling spraying device |
CN112049633A (en) * | 2020-07-29 | 2020-12-08 | 义煤集团永兴工程有限责任公司 | Colliery entry driving machine that security performance is high |
CN213684211U (en) * | 2020-10-16 | 2021-07-13 | 上海中联重科桩工机械有限公司 | Spraying device and heading machine |
CN113941205A (en) * | 2021-10-29 | 2022-01-18 | 佛山市鼎垣工程有限公司 | Adjustable spraying dust-settling device with wide coverage range and intelligent dust-settling method |
-
2022
- 2022-04-11 CN CN202210372209.5A patent/CN114798217A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199107A (en) * | 1977-06-09 | 1980-04-22 | Green And Bingham Limited | Liquid spray jet assembly and a mineral mining machine cutting head incorporating such assembly |
CN101982244A (en) * | 2010-10-22 | 2011-03-02 | 合肥辰泰安全设备有限责任公司 | Double-fluid atomization sprayer |
CN202174010U (en) * | 2011-06-28 | 2012-03-28 | 郑州光力科技股份有限公司 | Dust fall spray head for coal mining machine |
CN207609421U (en) * | 2017-12-05 | 2018-07-13 | 山西煤炭运销集团晋城有限公司 | A kind of atomizing de-dusting apparatus applied on fully-mechanized digging machine |
CN208605195U (en) * | 2018-06-28 | 2019-03-15 | 山东泰山能源有限责任公司协庄煤矿 | A kind of foot-operated atomizing de-dusting apparatus applied to backhoe loader |
CN209621314U (en) * | 2018-12-29 | 2019-11-12 | 山东东山新驿煤矿有限公司 | A kind of fully-mechanized digging machine cooling spraying device |
CN112049633A (en) * | 2020-07-29 | 2020-12-08 | 义煤集团永兴工程有限责任公司 | Colliery entry driving machine that security performance is high |
CN213684211U (en) * | 2020-10-16 | 2021-07-13 | 上海中联重科桩工机械有限公司 | Spraying device and heading machine |
CN113941205A (en) * | 2021-10-29 | 2022-01-18 | 佛山市鼎垣工程有限公司 | Adjustable spraying dust-settling device with wide coverage range and intelligent dust-settling method |
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