CN118564296B - A quick rimq device for coal face - Google Patents
A quick rimq device for coal face Download PDFInfo
- Publication number
- CN118564296B CN118564296B CN202411045068.1A CN202411045068A CN118564296B CN 118564296 B CN118564296 B CN 118564296B CN 202411045068 A CN202411045068 A CN 202411045068A CN 118564296 B CN118564296 B CN 118564296B
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- windshield
- wind
- box body
- curtain
- wind shielding
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- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/60—Spring drums operated only by closure members
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/107—Dams, e.g. for ventilation inflatable
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The invention discloses a rapid wind shielding device for a coal face, which comprises the following components: the upper side surface and the lower side surface of the air baffle box body are respectively provided with a fixing component, and the air baffle box body is fixed on the coal wall through the fixing components; the deformable blocking component is arranged on one side of the air blocking box body close to the coal wall and is abutted with the coal wall; the winding mechanism is arranged in the wind baffle box body; the wind shielding curtain is wound on the winding mechanism, one end of the wind shielding curtain penetrates through the wind shielding box body, extends out of one side, away from the deformable plugging component, of the wind shielding box body, and is fixedly connected with an operating rod; the flexible wind shields are provided with two groups, the two groups of flexible wind shields are respectively connected to the upper side and the lower side of the wind shield curtain in a rotating mode, and the control assembly is provided with two groups on the operating rod. The invention solves the problems of air leakage caused by uneven coal wall and air leakage of the top and bottom plates of the coal seam, realizes good wind shielding effect and greatly reduces air leakage to the goaf.
Description
Technical Field
The invention relates to the technical field of air leakage prevention of coal mining working faces of coal mines, in particular to a rapid wind shielding device for a coal mining working face.
Background
The problem of air leakage at the upper and lower corners of the coal face remains limited by existing mining processes and equipment. The air leakage at the lower corners of the coal mining working face not only can reduce the effective air quantity of the working face, but also can increase the risk of overrun of the gas concentration at the upper corners, even induce spontaneous combustion of goaf coal, and seriously threaten the safety production of coal mines. The traditional coal mining process generally hangs a wind screen vertically along the last row of struts at one side of a working face goaf to reduce air leakage, and the method requires operators to enter the inner side of the goaf for construction, and the operators are in danger of roof collapse. Meanwhile, the wind shielding curtain needs to move along with the pushing of the working face, repeated and tedious operation steps are time-consuming and labor-consuming, the stoping speed of the working face is lowered, and the risk of spontaneous combustion of coal in the goaf is aggravated. The Chinese patent with the issued publication number of CN220748349U discloses a wind shielding device for a mine working face, which mainly utilizes a plurality of elastic telescopic arms and rollers to keep the wind shielding cloth attached to a coal wall, so that the wind shielding effect is improved. However, it is difficult to avoid leakage of wind current from the seam roof and floor into the goaf, and it is more difficult to achieve wind shielding in the coal face. Therefore, it is necessary to design a rapid wind shield for a coal face.
Disclosure of Invention
The invention aims to provide a rapid wind shielding device for a coal face, which is used for solving the problems existing in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a rapid wind shielding device for a coal face, which comprises the following components:
The coal-fired furnace comprises a wind-blocking box body, wherein fixing assemblies are respectively arranged on the upper side surface and the lower side surface of the wind-blocking box body, and the wind-blocking box body is fixed on a coal wall through the fixing assemblies;
The deformable blocking component is arranged on one side, close to the coal wall, of the air blocking box body and is abutted with the coal wall;
the winding mechanism is arranged in the wind shielding box body;
the wind shielding curtain is wound on the winding mechanism, and one end of the wind shielding curtain penetrates through one side, far away from the deformable blocking assembly, of the wind shielding box body to extend out and is fixedly connected with an operating rod;
The flexible wind shields are provided with two groups, the two groups of the flexible wind shields are respectively connected with the upper side and the lower side of the wind shield curtain in a rotating way,
The control assembly is provided with two groups on the operating rod, and the two groups of control assemblies are respectively and correspondingly arranged with the two groups of flexible wind shields;
wherein the control assembly is used for controlling the flexible wind shield to be unfolded or retracted.
According to the rapid wind shielding device for the coal face, the fixing assembly comprises semicircular plates, three groups of semicircular plates are arranged, the semicircular plates of two groups of fixing assemblies are arranged in one-to-one correspondence, and the semicircular plates are respectively connected to the upper side face and the lower side face of the wind shielding box body in a rotating mode;
The three semicircular plates of the same fixing assembly are respectively arranged corresponding to three side walls of the wind shielding box body, the deformable plugging assembly is arranged corresponding to the other side wall of the wind shielding box body, and the top surface and the bottom surface of the wind shielding box body are respectively fixedly connected with the coal wall through the semicircular plates.
According to the rapid wind shielding device for the coal face, provided by the invention, the deformable blocking assembly comprises the blocking air bag, the blocking air bag is fixedly connected to the side wall of the wind shielding box, and the blocking air bag and the wind shielding curtain are respectively positioned on two opposite side surfaces of the wind shielding box body.
According to the rapid wind shielding device for the coal face, the winding mechanism comprises the winding shaft, the winding shaft is rotatably connected in the wind shielding box body, the wind shielding curtain is wound on the winding shaft, the top end and the bottom end in the wind shielding box body are respectively provided with the mounting boxes, the mounting boxes are internally provided with the clockwork springs, one ends of the clockwork springs are fixedly connected with one ends, close to the operating rod, of the wind shielding curtain, and the bottom end of the winding shaft penetrates through the bottom of the wind shielding box body and is provided with the positioning assembly.
According to the rapid wind shielding device for the coal face, the positioning assembly comprises the ratchet wheel coaxially and fixedly connected to the bottom of the winding shaft, the bottom surface of the wind shielding box body is rotatably connected with the latch through the rotating shaft, the latch is in limit fit with the ratchet wheel, the rotating shaft is provided with the torsion spring, and the torsion spring is correspondingly arranged with the latch.
According to the rapid wind shielding device for the coal face, which is provided by the invention, the control assembly comprises a pull rope, one end of the pull rope is fixedly connected with one side, far away from the wind shielding curtain, of the flexible wind shielding plate, a sleeve is connected onto the operating rod in a sliding manner, a guide wheel is arranged at the top end of the operating rod, one end of the pull rope penetrates through the guide wheel to be fixedly connected with the sleeve, one end of the guide wheel is rotatably connected with a positioning nut, and the positioning nut is connected onto the operating rod in a threaded manner;
The wind shielding curtain is characterized in that a yielding groove is formed in one side, close to the operating rod, of the wind shielding curtain, and the yielding groove is correspondingly arranged with the positioning nut and the sleeve.
According to the rapid wind shielding device for the coal face, provided by the invention, the semicircular plate is fixedly connected with the coal wall through the fixing piece, and the fixing piece comprises the positioning bolt and/or the steel nail.
According to the rapid wind shielding device for the coal face, provided by the invention, one side of the wind shielding box body is provided with the vertical groove, the wind shielding curtain extends out of the wind shielding box body through the vertical groove, and the width of the vertical groove is not smaller than the sum of the thickness of the wind shielding curtain and the thickness of the flexible wind shielding plate.
According to the rapid wind shielding device for the coal face, provided by the invention, the two ends of the operating rod are respectively fixedly connected with the positioning ropes.
The invention discloses the following technical effects:
when the invention works, firstly, the deformable blocking component is attached to the coal wall to generate extrusion deformation, and the wind blocking box body is fixed on the coal wall through the fixing component; will take out the expansion through the action bars with the curtain that keeps out the wind, after the curtain that keeps out the wind was fully expanded, it is fixed with the action bars, control the flexible deep bead expansion of both sides about the curtain that keeps out the wind respectively through control assembly, make it form certain contained angle with keep out the wind between the curtain, set up the separation wind flow by two flexible deep beads and by the curtain upper and lower side in the goaf, remove the fixation of action bars after the work is finished, withdraw two flexible deep beads through control assembly control, with the curtain that keeps out the wind and flexible deep bead withdraw to the box in the wind under the effect of winding mechanism.
The invention solves the problems of air leakage caused by uneven coal wall and air leakage of the top and bottom plates of the coal seam, realizes good wind shielding effect and greatly reduces air leakage to the goaf; meanwhile, the arrangement efficiency of the wind shielding curtains is improved, the situation that operators are in dangerous areas is avoided, and the operation dangers of the operators are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a rapid wind shield apparatus for a coal face according to the present invention;
FIG. 2 is a schematic view of the rapid wind shield (wind shield open) for coal face of the present invention;
FIG. 3 is a schematic view of the construction of the rapid wind deflector (flexible wind deflector open) for coal face of the present invention;
FIG. 4 is a schematic view of the structure of the fixing assembly (retracted) of the present invention;
FIG. 5 is a schematic view of the structure of the fixing assembly (open) of the present invention;
Fig. 6 is a schematic structural view of the winding mechanism of the present invention.
1, Plugging an air sac; 2. a wind blocking box body; 3. a winding shaft; 4. a flexible wind deflector; 5. a wind screen; 6. an operation lever; 7. a guide wheel; 8. a pull rope; 9. a clockwork spring; 10. a fixing member; 11. a semicircular plate; 12. a coal wall.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, the present invention provides a rapid wind shield apparatus for a coal face, comprising:
The air baffle box body 2, the upper side surface and the lower side surface of the air baffle box body 2 are respectively provided with a fixing component, and the air baffle box body 2 is fixed on the coal wall 12 through the fixing components;
The deformable blocking component is arranged on one side of the air baffle box body 2 close to the coal wall 12 and is abutted against the coal wall 12;
The winding mechanism is arranged in the wind baffle box body 2;
The wind shielding curtain 5 is wound on the winding mechanism, and one end of the wind shielding curtain 5 penetrates through the wind shielding box body 2 to extend out from one side far away from the deformable plugging component and is fixedly connected with the operating rod 6;
the flexible wind shields 4, the flexible wind shields 4 are provided with two groups, the two groups of flexible wind shields 4 are respectively connected with the upper side and the lower side of the wind shield curtain 5 in a rotating way,
The control assembly is provided with two groups on the operating rod 6, and the two groups of control assemblies are respectively and correspondingly arranged with the two groups of flexible wind shields 4;
wherein the control assembly is used to control the deployment or retraction of the flexible wind deflector 4.
When the invention works, firstly, the deformable blocking component is attached to the coal wall 12 to generate extrusion deformation, and the wind blocking box body 2 is fixed on the coal wall 12 through the fixing component; will take out the expansion with keeping out the wind curtain 5 through action bars 6, after keeping out the wind curtain 5 and expanding completely, with action bars 6 fixed, control flexible deep bead 4 expansion of both sides about keeping out the wind curtain 5 respectively through control assembly, make and form certain contained angle between its and the keeping out the wind curtain 5, set up separation wind flow by keeping out the wind curtain 5 upper and lower sides through two flexible deep beads 4 and flow into the goaf in, remove action bars 6's fixed after the work is over, withdraw two flexible deep beads 4 through control assembly control, withdraw keeping out the wind curtain 5 and flexible deep bead 4 in the wind box 2 under the effect of rolling mechanism.
The invention solves the problems of air leakage caused by uneven coal wall 12 and air leakage of the top and bottom plates of the coal seam, realizes good wind shielding effect and greatly reduces air leakage to the goaf; meanwhile, the arrangement efficiency of the wind shielding curtain 5 is improved, the situation that operators are in dangerous areas to arrange the wind shielding curtain 5 is avoided, and the operation danger of the operators is reduced.
In a further optimization scheme, the fixing assembly comprises semicircular plates 11, the semicircular plates 11 are provided with three groups, the semicircular plates 11 of the two groups of fixing assemblies are arranged in a one-to-one correspondence manner, and the semicircular plates 11 are respectively connected to the upper side face and the lower side face of the wind shielding box body 2 in a rotating manner;
Wherein, three groups of semicircular plates 11 of same fixed subassembly correspond the setting with three lateral walls of the case 2 that keeps out the wind respectively, and the deformable shutoff subassembly corresponds the setting with another lateral wall of the case 2 that keeps out the wind, and the top surface and the bottom surface of the case 2 that keep out the wind pass through semicircular plate 11 and coal wall 12 fixed connection respectively.
The wind shielding box body 2 is set to hollow cuboid structure, three semicircular plates 11 at top are arranged on three sides, the plugging air bag 1 is arranged on the side corresponding to the other side, the influence of the plugging air bag 1 on the three semicircular plates 11 can be avoided when the three semicircular plates 11 are fixed, the semicircular plates 11 can rotate 180 degrees relative to the wind shielding box body 2, the initial state is attached to the upper side and the lower side of the wind shielding box body 2, corresponding thread grooves can be formed in the top and the bottom of the wind shielding box body 2, the semicircular plates 11 are positioned by adopting fixing nuts, so that the coordination stability between the semicircular plates 11 and the wind shielding box body 2 is guaranteed, when the wind shielding box body 2 needs to be fixed, the wind shielding box body 2 is detached, and then turned over, and the wind shielding box body 2 is fixed by adopting steel nails or screws.
Further optimizing scheme, but the shutoff subassembly of deformation includes shutoff gasbag 1, and shutoff gasbag 1 fixed connection is on the lateral wall of wind screen case, and shutoff gasbag 1 and wind screen curtain 5 are located respectively on the relative both sides face of wind screen case body 2. The blocking air bag 1 is made of flame-retardant and antistatic materials, the inner layer is provided with PVC controlled materials, and the outer layer is provided with a wear-resistant canvas protective cover.
Further optimizing scheme, winding mechanism includes winding shaft 3, and winding shaft 3 rotates to be connected in wind shielding box 2, and wind shielding curtain 5 winds and establishes on winding shaft 3, and install the mounting box respectively with the bottom in the wind shielding box 2 top, install clockwork spring 9 in the mounting box, and clockwork spring 9's one end and wind shielding curtain 5 are close to the one end fixed connection of action bars 6, and the bottom of winding shaft 3 passes wind shielding box 2and installs locating component. The installation box and the winding shaft 3 are coaxially arranged, a certain interval is arranged between the installation box and the winding shaft 3, relative rotation can be guaranteed between the installation box and the winding shaft 3, the installation box is fixed on the inner wall of the wind blocking box body 2, one end of the inner ring of the spring 9 is fixed on the winding shaft 3 through the fixing sleeve, meanwhile, the spring 9 is arranged along the top edge and the bottom edge of the wind blocking curtain 5, the wind blocking curtain 5 is wound along with the spring 9, a ratchet wheel is installed at the bottom of the winding shaft 3, a ratchet wheel matched with a latch tooth forms a reverse locking structure, so that the wind blocking curtain 5 can be locked by adopting a ratchet wheel latch tooth structure after being stretched out, the latch tooth adopts a torsion spring to fix and apply force, and a similar hairpin structure is formed between the latch tooth rotating shaft and the torsion spring, so that the latch tooth always abuts against the ratchet wheel in a non-external force interference state.
Further optimizing scheme, locating component includes coaxial fixed connection at the ratchet of windup shaft 3 bottoms, and the bottom surface of windscreen box 2 is connected with the latch through the pivot rotation, and latch and the spacing cooperation of ratchet install the torsional spring in the pivot, and the torsional spring corresponds the setting with the latch.
According to a further optimization scheme, the control assembly comprises a pull rope 8, one end of the pull rope 8 is fixedly connected with one side, far away from the wind screen 5, of the flexible wind screen 4, a sleeve is slidably connected onto the operating rod 6, a guide wheel 7 is mounted on the top end of the operating rod 6, one end of the pull rope 8 penetrates through the guide wheel 7 and is fixedly connected with the sleeve, one end of the guide wheel 7 is rotatably connected with a positioning nut, and the positioning nut is in threaded connection with the operating rod 6;
Wherein, the one side that keeps out wind curtain 5 is close to action bars 6 has seted up the groove of stepping down, and the groove of stepping down corresponds setting with positioning nut, sleeve.
The pull rope 8 of the control assembly at the top is fixedly connected with the back surface of the top flexible wind deflector 4, and the pull rope 8 of the control assembly at the bottom is fixedly connected with the front surface of the bottom flexible wind deflector 4;
The front is the contact surface between the flexible wind screen 4 and the flexible curtain after being folded back, and the back is the surface of the flexible wind screen 4 far away from the flexible curtain after being folded back.
The spout is offered to sleeve inner wall fixed stay piece, the spout is offered to action bars 6 outer wall, supporting piece sliding connection is in the spout, thereby can produce certain supporting role to the sleeve, avoid sleeve inner wall and action bars 6 outer wall direct contact, set up the external screw thread in action bars 6 mid portion, cooperate through external screw thread and positioning nut, thereby can fix a position the sleeve, avoid the sleeve to produce the slip, with positioning nut and external screw thread separation after the end, flexible deep bead 4 in top is turned back under the action of gravity, simultaneously make it turn back through flexible deep bead 4 in stay cord 8 pulling bottom, thereby can withdraw to in the case 2 of keeping out wind.
Further preferably, the semicircular plate 11 is fixedly connected with the coal wall 12 through the fixing piece 10, and the fixing piece 10 comprises positioning bolts and/or steel nails.
Further optimizing scheme, the vertical groove has been seted up to 2 one sides of the case that keep out the wind, keep out wind curtain 5 stretches out the case that keeps out the wind through vertical groove 2, and vertical groove width is not less than the sum of the 5 thickness of keep out the wind curtain and the 4 thickness of flexible deep bead.
In a further optimized scheme, two ends of the operating rod 6 are respectively fixedly connected with a positioning rope. The positioning rope can position the operating rod 6, and is convenient for pull out the operating rod 6.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411045068.1A CN118564296B (en) | 2024-08-01 | 2024-08-01 | A quick rimq device for coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411045068.1A CN118564296B (en) | 2024-08-01 | 2024-08-01 | A quick rimq device for coal face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118564296A CN118564296A (en) | 2024-08-30 |
| CN118564296B true CN118564296B (en) | 2024-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411045068.1A Active CN118564296B (en) | 2024-08-01 | 2024-08-01 | A quick rimq device for coal face |
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| Country | Link |
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| CN (1) | CN118564296B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790084A (en) * | 2021-09-09 | 2021-12-14 | 西安科技大学 | Coal mine corner rapid plugging and monitoring system and method |
| CN116146278A (en) * | 2022-11-08 | 2023-05-23 | 太原理工大学 | Roof-cutting gob-side entry retaining goaf air curtain wall flexible plugging device and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212837957U (en) * | 2020-08-04 | 2021-03-30 | 刘少泽 | Device for blocking air leakage of upper corner of coal face |
| CN213838683U (en) * | 2020-11-07 | 2021-07-30 | 宁冬冬 | Colliery is prevention and cure water early warning device in pit |
| CN215072981U (en) * | 2021-07-26 | 2021-12-07 | 侯敬尧 | Sound amplification communication device for coal mine dispatching emergency rescue |
| CN115306479B (en) * | 2022-08-23 | 2023-06-09 | 中国矿业大学 | CO based on abandoned mine goaf 2 Block type sealing method |
| CN220748349U (en) * | 2023-09-05 | 2024-04-09 | 国能神东煤炭集团有限责任公司 | Mine working face wind shielding device |
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2024
- 2024-08-01 CN CN202411045068.1A patent/CN118564296B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790084A (en) * | 2021-09-09 | 2021-12-14 | 西安科技大学 | Coal mine corner rapid plugging and monitoring system and method |
| CN116146278A (en) * | 2022-11-08 | 2023-05-23 | 太原理工大学 | Roof-cutting gob-side entry retaining goaf air curtain wall flexible plugging device and method |
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| CN118564296A (en) | 2024-08-30 |
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