CN114887427B - Spraying dust collecting equipment - Google Patents
Spraying dust collecting equipment Download PDFInfo
- Publication number
- CN114887427B CN114887427B CN202210726561.4A CN202210726561A CN114887427B CN 114887427 B CN114887427 B CN 114887427B CN 202210726561 A CN202210726561 A CN 202210726561A CN 114887427 B CN114887427 B CN 114887427B
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- pipe
- connecting rod
- mounting seat
- spray
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 238000005507 spraying Methods 0.000 title claims description 5
- 239000007921 spray Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000003595 mist Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/16—Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
Abstract
The invention provides spray dust removing equipment, which relates to the technical field of dust removing devices, and comprises a mounting seat, wherein a plurality of spray heads with the same orientation are arranged above the mounting seat, a water tank is arranged on the mounting seat, a water pump is arranged in the water tank, a water outlet pipe connected with the water pump is arranged on the mounting seat, the water outlet pipe is communicated with the spray heads positioned at the middle, and other spray heads are connected with connecting pipes which are communicated with the water outlet pipe through first rotary joints; the water pump is started to enable water to enter the water outlet pipe, water mist is finally sprayed out of the spray head to form the water mist, so that dust is removed, when the angle of the spray head needs to be changed, the angle adjusting mechanism is started to adjust the included angle between the spray head and the horizontal plane, so that the angle is adjusted, when the spray range needs to be enlarged, the other spray heads of the unfolding mechanism are started to rotate relative to the spray head in the middle, so that the unfolding is performed, two states are conveniently switched, and different working requirements are met.
Description
Technical Field
The invention relates to the technical field of dust removal devices, in particular to spray dust removal equipment.
Background
The fully-mechanized coal mining process is suitable for mining the medium-thickness coal seam and the thick coal seam by a layered long-wall method with stable coal seam, hard roof, no fault and gentle inclination, and in the coal mining process, coal dust is inevitably generated along with the work of a coal mining machine and a heading machine, and for staff on a working face, the coal dust interferes with sight on one hand and affects normal work; on the other hand, the working diseases such as pneumoconiosis and the like have extremely high incidence rate when working in a dust environment for a long time, and have extremely great influence on the physical health of workers.
However, the existing spray dust removing equipment is inconvenient to adjust the spray angle and range, so that the application range is small.
Disclosure of Invention
The invention aims to provide spray dust removing equipment, which aims to solve the problems that the spray dust removing equipment in the prior art is inconvenient to adjust the spray angle and range, so that the application range is small.
In order to achieve the above purpose, the invention adopts the following technical scheme: the spray dust removing equipment comprises a mounting seat, a plurality of spray heads with the same orientation are arranged above the mounting seat, a water tank is arranged on the mounting seat, a water pump is arranged in the water tank, a water outlet pipe connected with the water pump is arranged on the mounting seat, the water outlet pipe is communicated with the spray heads positioned in the middle, the other spray heads are connected with connecting pipes, the connecting pipes are communicated with the water outlet pipe through first rotary joints, an unfolding mechanism for controlling the rotation of the other spray heads relative to the spray heads in the middle is arranged on the mounting seat, and an angle adjusting mechanism for controlling the included angles of all spray heads and the horizontal plane is arranged on the mounting seat.
In order to enable the spray head to have the function of performing covering spraying by using a plurality of spray heads, the spray head is divided into a middle spray head in the middle, an inner peripheral spray head adjacent to the middle spray head and a peripheral spray head positioned at the most edge, the middle spray head and the peripheral spray head are arranged in a honeycomb shape, the connecting pipes are divided into three types from inside to outside according to the positions, namely an inner layer pipe, a middle layer pipe and an outer layer pipe, the inner layer pipe is connected with the inner peripheral spray head, the middle layer pipe and the outer layer pipe are connected with the peripheral spray head, and the middle layer pipe and the outer layer pipe are mutually staggered.
In order to control the inner nozzle and the outer nozzle to be unfolded, the unfolding mechanism comprises a plurality of first connecting rods and second connecting rods, wherein two ends of each first connecting rod are respectively hinged with the inner layer pipe and the outer layer pipe, two ends of each second connecting rod are respectively hinged with the middle layer pipe and the outer layer pipe, and the unfolding mechanism further comprises a control assembly used for enabling at least one outer layer pipe to rotate.
According to a further technical scheme, the control assembly comprises a sliding seat which is slidably arranged on the water outlet pipe, a third connecting rod is hinged to the sliding seat, the third connecting rod is hinged to the outer layer pipe, and a moving assembly which is used for enabling the sliding seat to slide along the water outlet pipe is arranged on the mounting seat.
According to a further technical scheme, the second rotary joint is arranged on the mounting seat, and the water outlet pipe is communicated with the water outlet end of the water pump through the second rotary joint.
According to a further technical scheme, the motion assembly comprises an electric push rod arranged on the mounting seat, a fourth connecting rod is hinged to the moving end of the electric push rod, a connecting rod is hinged to the other end of the fourth connecting rod, and the connecting rod is connected with the sliding seat.
In order to control the same moving part for adjusting the angle and unfolding the spray head, the invention has the further technical scheme that the angle adjusting mechanism comprises a supporting rod which is propped against the connecting rod, a sliding groove plate is arranged on the mounting seat, a sliding groove is arranged on the sliding groove plate, the sliding groove consists of an arc-shaped sliding groove and a vertical sliding groove, and a sliding block which can slide in the sliding groove is fixedly connected on the sliding seat.
In order to enable all spray heads to perform rotary spraying and avoid dead angles, the invention has the further technical scheme that a rotary seat is connected to a mounting seat in a rotary mode, a second rotary joint and a sliding groove plate are fixedly arranged on the rotary seat, and a driving device for controlling the rotary seat to rotate is arranged on the mounting seat.
According to a further technical scheme, the driving device comprises a gear ring fixedly connected with the rotating seat, a gear is meshed with the gear ring, and a driving part for driving the gear to rotate is arranged on the mounting seat.
According to a further technical scheme of the invention, the driving component is a motor.
The beneficial effects of the invention are as follows:
1. when the invention is used, the water pump is started to enable water to enter the water outlet pipe, and finally water mist is sprayed out from the spray head to remove dust, when the angle of the spray head needs to be changed, the angle adjusting mechanism is started to adjust the included angle between the spray head and the horizontal plane, therefore, when the spray range needs to be enlarged, other spray heads of the unfolding mechanism are started to rotate relative to the spray head in the middle, so that the spray head is unfolded, two states are conveniently switched, and different working requirements are met.
2. When the invention is used, the electric push rod is started to enable the fourth connecting rod to descend, so that the connecting rod rotates, the sliding block slides in the arc-shaped sliding groove of the sliding groove plate, so that the connecting pipe rotates, when the sliding block moves into the vertical sliding groove of the sliding groove plate to continue sliding, the water outlet pipe is in a vertical state and does not rotate, the connecting rod descends to enable the sliding seat to descend, so that the third connecting rod descends, the outer layer pipe rotates outwards, the outer layer pipe rotates to drive other outer layer pipes, middle layer pipes and inner layer pipes to rotate through the first connecting rod and the second connecting rod, and all spray heads are unfolded, so that the control is convenient.
3. When the dust collector is used, after the dust collector is unfolded, the motor is started to rotate the gear, so that the gear ring rotates with the rotating seat, spray dead angles are avoided, and the dust collection effect is further enhanced.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of another embodiment of the present invention.
Fig. 3 is a schematic view of an embodiment of the present invention with the mounting base and the water tank removed.
Fig. 4 is a schematic structural view of a control assembly in an embodiment of the present invention.
Fig. 5 is a schematic view of the structure of the deployment mechanism in an embodiment of the present invention.
Fig. 6 is a schematic structural view of a connection pipe according to an embodiment of the present invention.
In the figure: 1. a mounting base; 2. a spray head; 3. a water outlet pipe; 4. a connecting pipe; 5. a first rotary joint; 6. a first link; 7. a second link; 8. a slide; 9. a third link; 10. a water tank; 11. a second rotary joint; 12. an electric push rod; 13. a fourth link; 14. a connecting rod; 15. a support rod; 16. a chute plate; 17. a slide block; 18. a rotating seat; 19. a driving device; 20. a water pump; 21. a middle nozzle; 22. an inner periphery spray head; 23. a peripheral spray head; 41. an inner layer tube; 42. a middle layer tube; 43. an outer layer tube; 191. a gear ring; 192. a gear; 193. a driving member.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
As shown in fig. 1-6, a spray dust removing device comprises a mounting seat 1, a plurality of spray heads 2 with the same orientation are arranged above the mounting seat 1, a water tank 10 is arranged on the mounting seat 1, a water pump 20 is arranged in the water tank 10, a water outlet pipe 3 connected with the water pump 20 is arranged on the mounting seat 1, the water outlet pipe 3 is communicated with the spray heads 2 positioned in the middle, connecting pipes 4 are connected with other spray heads 2, the connecting pipes 4 are communicated with the water outlet pipe 3 through a first rotary joint 5, an unfolding mechanism for controlling the rotation of the other spray heads 2 relative to the spray heads 2 in the middle is arranged on the mounting seat 1, and an angle adjusting mechanism for controlling the included angles between all spray heads 2 and a horizontal plane is arranged on the mounting seat 1.
In this embodiment, the water pump 20 is started to make water enter the water outlet pipe 3, and finally water mist is sprayed out from the spray head 2 to remove dust, when the angle of the spray head 2 needs to be changed, the angle adjusting mechanism is started to adjust the included angle between the spray head 2 and the horizontal plane, so as to adjust the angle, and when the spray range needs to be enlarged, the other spray heads 2 of the unfolding mechanism are started to rotate relative to the spray head 2 in the middle, so that the unfolding is performed, and therefore two states are conveniently switched, so that different working requirements are met.
Specifically, the spray head 2 is divided into a middle spray head 21 in the middle, an inner peripheral spray head 22 adjacent to the middle spray head 21 and a peripheral spray head 23 at the most edge, the middle spray head 21 and the peripheral spray head 23 are arranged in a honeycomb shape, the connecting pipe 4 is divided into three types from inside to outside according to the positions, namely an inner layer pipe 41, an intermediate layer pipe 42 and an outer layer pipe 43, the inner layer pipe 41 is connected with the inner peripheral spray head 22, the intermediate layer pipe 42 and the outer layer pipe 43 are connected with the peripheral spray head 23, and the intermediate layer pipe 42 and the outer layer pipe 43 are arranged in a staggered manner.
Specifically, the deployment mechanism includes a plurality of first links 6 and second links 7, both ends of the first links 6 are respectively hinged with the inner layer tube 41 and the outer layer tube 43, both ends of the second links 7 are respectively hinged with the middle layer tube 42 and the outer layer tube 43, and the deployment mechanism further includes a control assembly for rotating at least one of the outer layer tubes 43.
Specifically, the control assembly comprises a sliding seat 8 slidably mounted on the water outlet pipe 3, a third connecting rod 9 is hinged to the sliding seat 8, the third connecting rod 9 is hinged to the outer layer pipe 43, and a moving assembly for enabling the sliding seat 8 to slide along the water outlet pipe 3 is mounted on the mounting seat 1.
Further, a second rotary joint 11 is installed on the installation seat 1, and the water outlet pipe 3 is communicated with the water outlet end of the water pump 20 through the second rotary joint 11.
Specifically, the motion assembly includes the electric putter 12 of installing on mount pad 1, and the removal end of electric putter 12 articulates has fourth connecting rod 13, and the other end of fourth connecting rod 13 articulates has connecting rod 14, and connecting rod 14 is connected with slide 8.
Specifically, the angle adjustment mechanism includes a supporting rod 15 that offsets with the connecting rod 14, be provided with the draw runner board 16 on the mount pad 1, be provided with the spout on the draw runner board 16, the spout comprises arc spout and vertical spout, fixedly connected with can be in the gliding slider 17 of spout on the slide 8, start electric putter 12 and make fourth connecting rod 13 descend, thereby make connecting rod 14 rotate, slider 17 slides in the arc spout of draw runner board 16, thereby make connecting pipe 4 rotate, when slider 17 moves to the vertical spout of draw runner board 16 in continue the slip, outlet pipe 3 is in vertical state at this moment, and do not rotate, connecting rod 14 descends and makes slide 8 descend, thereby make third connecting rod 9 descend, thereby make outer pipe 43 outwards rotate, outer pipe 43 rotates and drives other outer pipes 43, middle level pipe 42 and inlayer pipe 41 through first connecting rod 6 and second connecting rod 7 and rotate, thereby make all shower nozzles 2 expand, consequently, conveniently control.
Further, a rotating seat 18 is rotatably connected to the mounting seat 1, the second rotary joint 11 and the chute plate 16 are fixedly mounted on the rotating seat 18, and a driving device 19 for controlling the rotation of the rotating seat 18 is mounted on the mounting seat 1.
Specifically, the driving device 19 includes a gear ring 191 fixedly connected to the rotary base 18, a gear 192 is meshed with the gear ring 191, and a driving member 193 for driving the gear 192 to rotate is mounted on the mounting base 1.
Preferably, the driving part 193 is a motor, and when unfolded, the motor is started to rotate the gear 192, so that the gear ring 191 rotates with the rotating seat 18, thereby avoiding the occurrence of spray dead angles, and further enhancing the dust removal effect.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a spraying dust collecting equipment, its characterized in that, including mount pad (1), the top of mount pad (1) is provided with shower nozzle (2) of a plurality of same orientations, install water tank (10) on mount pad (1), install water pump (20) in water tank (10), install outlet pipe (3) being connected with water pump (20) on mount pad (1), outlet pipe (3) communicate with shower nozzle (2) that are located the most intermediate, others be connected with connecting pipe (4) on shower nozzle (2), connecting pipe (4) communicate with shower nozzle (3) through first rotary joint (5), install the expansion mechanism that is used for controlling other shower nozzles (2) and rotate for shower nozzle (2) in the most intermediate on mount pad (1), install the angle adjustment mechanism that is used for controlling all shower nozzles (2) and horizontal angle on mount pad (1), shower nozzle (2) divide into middle intermediate shower nozzle (21), with the adjacent interior shower nozzle (22) of intermediate shower nozzle (21) and the peripheral shower nozzle (23) that are located the most edge, intermediate shower nozzle (21) and peripheral (21) are the outside and are in the form by the shower nozzle (21), the intermediate layer is in the shower nozzle (21), the outside is in the form by the shower nozzle (41) respectively, the outside is divided into three to the shower nozzle (41) respectively Middle layer pipe (42) and outer pipe (43), inlayer pipe (41) are connected with interior shower nozzle (22), middle layer pipe (42) and outer pipe (43) are connected with peripheral shower nozzle (23) respectively, middle layer pipe (42) and outer pipe (43) are crisscross setting each other, expansion mechanism includes a plurality of first connecting rods (6) and second connecting rod (7), the both ends of first connecting rod (6) are articulated with inlayer pipe (41) and outer pipe (43) respectively, the both ends of second connecting rod (7) are articulated with middle layer pipe (42) and outer pipe (43) respectively, expansion mechanism still includes the control assembly who is used for making at least one outer pipe (43) rotatory wherein, control assembly includes slider (8) of slidable mounting on outlet pipe (3), it has third connecting rod (9) to articulate on slider (8), third connecting rod (9) are articulated with outer pipe (43), install the motion that is used for making slider (8) follow outlet pipe (3) on mount pad (1).
2. The spray dust removal device according to claim 1, wherein the mounting seat (1) is provided with a second rotary joint (11), and the water outlet pipe (3) is communicated with the water outlet end of the water pump (20) through the second rotary joint (11).
3. The spray dust removal device according to claim 2, wherein the movement assembly comprises an electric push rod (12) mounted on the mounting seat (1), a fourth connecting rod (13) is hinged to the moving end of the electric push rod (12), a connecting rod (14) is hinged to the other end of the fourth connecting rod (13), and the connecting rod (14) is connected with the sliding seat (8).
4. A spray dust removal device according to claim 3, characterized in that the angle adjusting mechanism comprises a supporting rod (15) which is propped against the connecting rod (14), a chute plate (16) is arranged on the mounting seat (1), a chute is arranged on the chute plate (16), the chute consists of an arc chute and a vertical chute, and a sliding block (17) which can slide in the chute is fixedly connected on the sliding seat (8).
5. The spray dust removal device according to claim 4, characterized in that the rotary seat (18) is rotatably connected to the mounting seat (1), the second rotary joint (11) and the chute plate (16) are fixedly mounted on the rotary seat (18), and a driving device (19) for controlling the rotary seat (18) to rotate is mounted on the mounting seat (1).
6. A spray dust removal apparatus as claimed in claim 5, characterized in that the driving means (19) comprises a gear ring (191) fixedly connected to the rotary base (18), the gear ring (191) is engaged with a gear (192), and the mounting base (1) is provided with a driving member (193) for driving the gear (192) to rotate.
7. The spray dust removal apparatus as claimed in claim 6, characterized in that the drive member (193) is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210726561.4A CN114887427B (en) | 2022-06-24 | 2022-06-24 | Spraying dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210726561.4A CN114887427B (en) | 2022-06-24 | 2022-06-24 | Spraying dust collecting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114887427A CN114887427A (en) | 2022-08-12 |
| CN114887427B true CN114887427B (en) | 2024-01-23 |
Family
ID=82729438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210726561.4A Active CN114887427B (en) | 2022-06-24 | 2022-06-24 | Spraying dust collecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114887427B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544466A (en) * | 2016-10-11 | 2017-03-29 | 武汉钢铁股份有限公司 | Spiral converter oxygen gun |
| CN207400259U (en) * | 2017-11-10 | 2018-05-25 | 四川农业大学 | A kind of novel grape spraying laxative lever apparatus |
| CN215742605U (en) * | 2021-09-23 | 2022-02-08 | 刘艳斌 | Spraying dust-settling device for coal mining |
| CN215742624U (en) * | 2021-10-11 | 2022-02-08 | 中启胶建集团有限公司 | Dust collector for building engineering |
| CN215996068U (en) * | 2021-10-26 | 2022-03-11 | 成都川隆机电有限公司 | Rotary spraying machine |
| CN114588724A (en) * | 2022-04-18 | 2022-06-07 | 温州振华建设有限公司 | Construction dust removal device for house building and use method thereof |
-
2022
- 2022-06-24 CN CN202210726561.4A patent/CN114887427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544466A (en) * | 2016-10-11 | 2017-03-29 | 武汉钢铁股份有限公司 | Spiral converter oxygen gun |
| CN207400259U (en) * | 2017-11-10 | 2018-05-25 | 四川农业大学 | A kind of novel grape spraying laxative lever apparatus |
| CN215742605U (en) * | 2021-09-23 | 2022-02-08 | 刘艳斌 | Spraying dust-settling device for coal mining |
| CN215742624U (en) * | 2021-10-11 | 2022-02-08 | 中启胶建集团有限公司 | Dust collector for building engineering |
| CN215996068U (en) * | 2021-10-26 | 2022-03-11 | 成都川隆机电有限公司 | Rotary spraying machine |
| CN114588724A (en) * | 2022-04-18 | 2022-06-07 | 温州振华建设有限公司 | Construction dust removal device for house building and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114887427A (en) | 2022-08-12 |
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