阅读说明：本技术 一种煤矿灭火用便于防堵塞的喷水灭火装置 (Coal mine extinguishment water spray fire extinguishing device convenient for blocking prevention ) 是由 赵海波 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种煤矿灭火用便于防堵塞的喷水灭火装置,包括：喷枪,内部固定连接有对接块,所述对接块的表面连接有滤网,且对接块与滤网之间为铆合连接结构,所述滤网的内部活动连接有转轴,所述转轴的表面贯穿连接有弧形刮片,所述弧形刮片的一侧表面贴合连接有滤网,橡胶垫,表面嵌合在喷枪的内壁。该煤矿灭火用便于防堵塞的喷水灭火装置,转块带动固定块与喷枪之间进行螺纹连接,使得喷枪与对接头之间相互固定,当水流进入喷枪的内部时,扰流板会对水流进行引流,使得水流对弧形刮片形成一定的冲击力,导致弧形刮片进行转动,从而当滤网对水进行过滤时,弧形刮片可将过滤的废渣刮走,避免水里面的杂质,导致喷枪内部堵塞。(The invention discloses a water spray fire extinguishing device convenient for blocking prevention for coal mine fire extinguishing, which comprises: the spray gun, inside fixedly connected with butt joint piece, the surface of butt joint piece is connected with the filter screen, and is riveting connection structure between butt joint piece and the filter screen, the inside swing joint of filter screen has the pivot, the surface through connection of pivot has the arc doctor-bar, one side surface laminating of arc doctor-bar is connected with filter screen, rubber pad, and the surface gomphosis is at the inner wall of spray gun. This colliery is put out a fire and is used be convenient for prevent blockking up water spray extinguishing device, the commentaries on classics piece drives and carries out threaded connection between fixed block and the spray gun, make mutual fixation between spray gun and the butt joint, when rivers get into the inside of spray gun, the spoiler can carry out the drainage to rivers, make rivers form certain impact force to the arc doctor-bar, lead to the arc doctor-bar to rotate, thereby when the filter screen filters water, the arc doctor-bar can scrape away filterable waste residue, avoid the impurity of water the inside, lead to the inside jam of spray gun.)

1. The utility model provides a colliery is put out a fire with being convenient for prevent blockking up water spray extinguishing device which characterized in that includes:

the spray gun comprises a spray gun (1), wherein a butt joint block (2) is fixedly connected inside the spray gun (1), a filter screen (3) is connected to the surface of the butt joint block (2), a riveting connection structure is arranged between the butt joint block (2) and the filter screen (3), a rotating shaft (4) is movably connected inside the filter screen (3), an arc-shaped scraping blade (5) penetrates through the surface of the rotating shaft (4), and the filter screen (3) is attached to the surface of one side of the arc-shaped scraping blade (5);

the surface of the rubber pad (6) is embedded in the inner wall of the spray gun (1), one side, far away from the spray gun (1), of the rubber pad (6) is embedded in the butt joint (7), the longitudinal middle line of the rubber pad (6) is arranged at the joint of the spray gun (1) and the butt joint (7), and the spoiler (8) is fixedly connected in the butt joint (7);

connecting block (9), surface swing joint have butt joint (7), connecting block (9) one end fixedly connected with changes piece (10), change one end fixedly connected with fixed block (11) that connecting block (9) were kept away from in piece (10), be the threaded connection structure between the surface of fixed block (11) and the inner wall of spray gun (1).

2. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 1, wherein two limiting plates (12) are fixedly connected to the surface of the spray gun (1), a clamping plate (13) is arranged between the two limiting plates (12), one end of the clamping plate (13) is movably connected with a connecting shaft (14), a supporting frame (15) is movably connected to the surface of the connecting shaft (14), and the clamping plate (13) and the supporting frame (15) form a rotary connecting structure through the connecting shaft (14).

3. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 2, wherein a butt joint convex block (16) is fixedly connected to the top of the supporting frame (15), a clamping plate (13) penetrates through the surface of the butt joint convex block (16), a clamping spring (17) is connected inside the butt joint convex block (16), one end of the clamping spring (17) is connected with a clamping block (18), and the clamping block (18) and the clamping plate (13) form an elastic clamping structure through the elastic effect of the clamping spring (17).

4. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 3, wherein one side of the top of the fixture block (18) is of an inclined structure, the inclined surface of the top of the fixture block (18) is connected with a pressure plate (19) in an attaching mode, a return spring (20) is connected inside the pressure plate (19), and the pressure plate (19) and the butt joint convex block (16) form an elastic telescopic structure under the elastic effect of the return spring (20).

5. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 1, wherein a connecting lug (21) is fixedly connected to the bottom of the spray gun (1), a sliding block (22) is movably connected to the inside of the connecting lug (21), the sliding block (22) is mainly circular, a supporting column (23) is connected to one end of the sliding block (22), a sleeve column (24) is connected to the surface of the supporting column (23), and a thread lifting structure is arranged between the bottom of the supporting column (23) and the inner wall of the sleeve column (24).

6. The coal mine fire extinguishing anti-blocking water spraying fire extinguishing device according to claim 5, characterized in that a gear disc (25) is connected to the bottom of the sleeve column (24), a gear column (26) is meshed on the surface of the gear disc (25), a gear connecting structure is arranged between the gear column (26) and the gear disc (25), a limiting block (27) is connected to the surface of the gear column (26) in a penetrating mode, a turning plate (28) is movably connected to the surface of the limiting block (27), a connecting frame (29) is fixedly connected to the top of the turning plate (28) in a perpendicular mode, a rotating shaft (30) is movably connected to the inside of the connecting frame (29), a spray gun (1) is movably connected to the surface of the rotating shaft (30), and a roller (31) is installed at the bottom of the turning plate (28).

7. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 6, wherein a supporting block (32) is fixedly connected to the top of the carriage plate (28), a rotating shaft (30) is movably connected to the inside of the supporting block (32), a fixing column (34) penetrates through the surface of the rotating shaft (30), and the fixing column (34) is in rotating connection with the supporting block (32) through the rotating shaft (30).

8. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 7, wherein a knob (35) is connected to the surface of the fixing column (34) in a penetrating mode, a threaded connection structure is arranged between the knob (35) and the fixing column (34), a clamping plate (36) is connected to the bottom of the knob (35), and the fixing column (34) is connected to the surface of the clamping plate (36) in a penetrating mode.

9. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishing according to claim 1, wherein a baffle (37) is fixedly connected to the surface of the butt joint (7), an extrusion spring (38) is connected to the inside of the baffle (37), one end of the extrusion spring (38) is connected with an extrusion block (39), and the extrusion block (39) forms an elastic telescopic structure with the baffle (37) through the extrusion spring (38).

10. The anti-blocking water spraying fire extinguishing device for coal mine fire extinguishment according to claim 9, wherein a rotating block (40) is attached to one end of the extrusion block (39), the inner wall of the rotating block (40) is in threaded connection with the surface of the butt joint (7), a pipeline (41) penetrates through the rotating block (40), and a sealing gasket (42) is arranged on the inner wall of the joint of one end of the pipeline (41) and the butt joint (7).

Technical Field

The invention relates to the technical field of coal mine fire extinguishing equipment, in particular to a water spraying fire extinguishing device convenient for blocking prevention for coal mine fire extinguishing.

Background

The coal mine fire extinguishing equipment is used for extinguishing underground fire. Any fire must occur with the presence of combustible materials, air supply and heat source, and the fire is not necessary. Mine fire extinguishing is to remove one, two or all combustion factors, and water source fire extinguishing is one of the important processes for quickly extinguishing fire when a coal mine catches fire.

This prior art solution also has the following disadvantages when in use:

1. the traditional fire extinguishing device is characterized in that a fire extinguisher is held by a pipeline to hold a fire extinguishing pipe to a fire position to extinguish a fire source, professional training is not carried out, the pipeline with high impulsive force needs very large strength to be stably taken, water in a coal mine is turbid, and a spray head is easily blocked;

2. the angle of the spray head cannot be adjusted, so that the spray head cannot effectively spray water to extinguish fire, and the fire extinguishing efficiency is reduced;

3. the shower nozzle and the pipeline on the device are not convenient for to dock and install, the time that leads to the device concatenation is longer, leads to can not put out the fire source the very first time.

Therefore, it is necessary to solve the above problems to meet the market demand.

Disclosure of Invention

The invention aims to provide a water spraying fire extinguishing device convenient for blocking prevention for coal mine fire extinguishing, and aims to solve the problems that fire extinguishers hold a pipeline to hold a fire extinguishing pipe to a fire position to extinguish a fire source, professional training is not performed, the pipeline with high impulsive force needs large strength to be stably taken, water in a coal mine is turbid, and a spray head is easily blocked in the conventional fire extinguishing device in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a colliery is put out a fire with being convenient for prevent blockking up water spray extinguishing device, includes:

the spray gun is fixedly connected with a butt joint block inside, the surface of the butt joint block is connected with a filter screen, a riveting connection structure is arranged between the butt joint block and the filter screen, a rotating shaft is movably connected inside the filter screen, an arc-shaped scraping blade penetrates through the surface of the rotating shaft, and the surface of one side of the arc-shaped scraping blade is connected with the filter screen in an attaching mode;

the surface of the rubber pad is embedded in the inner wall of the spray gun, one side, far away from the spray gun, of the rubber pad is embedded in the butt joint, the longitudinal middle line of the rubber pad is arranged at the joint of the spray gun and the butt joint, and the spoiler is fixedly connected in the butt joint;

the connecting block, surface swing joint has the butt joint, connecting block one end fixedly connected with changes the piece, the piece is kept away from the one end fixedly connected with fixed block of connecting block, be the threaded connection structure between the surface of fixed block and the inner wall of spray gun.

Preferably, the fixed surface of spray gun is connected with two limiting plates, two be provided with the cardboard between the limiting plate, the one end swing joint of cardboard has the connecting axle, the surperficial swing joint of connecting axle has the support frame, the cardboard passes through to constitute between connecting axle and the support frame and rotates connection structure, and through above-mentioned structure, cardboard accessible connecting axle rotates.

Preferably, the top of the support frame is fixedly connected with a butt joint convex block, the surface of the butt joint convex block is connected with a clamping plate in a penetrating mode, a clamping spring is connected inside the butt joint convex block, one end of the clamping spring is connected with a clamping block, the clamping block and the clamping plate form an elastic clamping structure through the elastic effect of the clamping spring, and through the structure, the clamping block can be clamped and fixed through the elastic effect of the clamping spring.

Preferably, top one side of fixture block is the slope structure, and the fixture block top inclined plane laminating is connected with the clamp plate, the internal connection of clamp plate has reset spring, and the clamp plate passes through the elastic effect of reset spring and constitutes elastic telescopic structure between the butt joint lug, through above-mentioned structure, reset spring resets to the position of clamp plate.

Preferably, the bottom fixedly connected with engaging lug of spray gun, the inside swing joint of engaging lug has the slider, the owner of slider is regarded as circularly, and the one end of slider is connected with the support column, the surface of support column is connected with the cover post, and is the screw thread elevation structure between the inner wall of the bottom of support column and cover post, and through above-mentioned structure, the cover post can drive the support column and go up and down the activity.

Preferably, the bottom of cover post is connected with the toothed disc, the surface toothing of toothed disc has the toothed column, be gear connection structure between toothed column and the toothed disc, toothed column surface through connection has the stopper, stopper surface swing joint has the sweep, the perpendicular fixedly connected with link in top of sweep, the inside swing joint of link has the axis of rotation, the surface swing joint of axis of rotation has the spray gun, the gyro wheel is installed to the bottom of sweep, and through above-mentioned structure, the sweep conveniently removes through the gyro wheel.

Preferably, the top of the sweep is fixedly connected with a supporting block, the inside swing joint of supporting block has the axis of rotation, the surface through connection of axis of rotation has the fixed column, the fixed column passes through to constitute between axis of rotation and the supporting block and rotates and be connected, through above-mentioned structure, the fixed column can rotate through the axis of rotation.

Preferably, the surface of the fixed column is connected with a knob in a penetrating manner, a threaded connection structure is arranged between the knob and the fixed column, the bottom of the knob is connected with a clamping plate, the surface of the clamping plate is connected with the fixed column in a penetrating manner, and the clamping plate can be pressed and fixed by the knob through the structure.

Preferably, the fixed surface of butt joint is connected with the baffle, the internal connection of baffle has extrusion spring, extrusion spring's one end is connected with the extrusion piece, the extrusion piece constitutes elastic telescopic structure through extruding between spring and the baffle, and through above-mentioned structure, the extrusion piece is at the inside activity of baffle under the elastic effect of extrusion spring.

Preferably, the one end laminating of extrusion piece has the turning block, be threaded connection between turning block inner wall and the surface of butt joint, and the inside through connection of turning block has the pipeline, pipeline one end is provided with sealed the pad with the junction inner wall of butt joint, and through above-mentioned structure, the turning block is fixed pipeline and butt joint junction.

Compared with the prior art, the invention has the beneficial effects that: this colliery is put out a fire with being convenient for prevent water spray extinguishing device of jam is provided with filter screen and arc doctor-bar for the arc doctor-bar can be scraped away filterable waste residue, avoids the impurity of water the inside, leads to the inside jam of spray gun.

1. Butt joint the inside butt joint piece of filter screen and spray gun, make the riveting between filter screen and the butt joint piece fix a position the filter screen, later with the butt joint of spray gun and butt joint, and rotate the commentaries on classics piece, the commentaries on classics piece drives and carries out threaded connection between fixed block and the spray gun, make reciprocal anchorage between spray gun and the butt joint, when rivers get into the inside of spray gun, the spoiler can carry out the drainage to rivers, make rivers form certain impact force to the arc doctor-bar, lead to the arc doctor-bar to rotate, thereby when the filter screen filters water, the arc doctor-bar can be scraped away filterable waste residue, avoid the impurity of water the inside, lead to the inside jam of spray gun.

2. Pressing the clamp plate, clamp plate extrusion fixture block for the fixture block removes to block spring one end, and up to alternate segregation between fixture block surface and the cardboard, the cardboard is rotated to the rethread connecting axle, thereby opens the cardboard, so that when the device is not convenient for remove, can take out the spray gun from the top of support frame, so that the spray gun can be more convenient put out a fire to the position of being on fire.

3. Rotate the gear post, the gear post drives the toothed disc and rotates, and the cover post at toothed disc top takes place to rotate when the toothed disc rotates, and when the cover post rotates, screw thread elevation structure between cover post and the support column for the support column drives the angle of spray gun one end and changes, thereby can be convenient adjust the spray gun angle, so that the spray gun puts out a fire to the source of firing, makes the efficiency of putting out a fire higher.

4. Place the pipeline on the supporting shoe, later dock chucking board and supporting shoe to rotate the fixed column through the rotary column, run through the chucking board until the fixed column surface, clockwise rotation knob again, threaded connection between knob and the fixed column is fixed the chucking board pressure, thereby makes supporting shoe and chucking board support the pipeline, can avoid the pipeline crooked radian too big, leads to rivers not smooth.

5. Butt joint pipeline one end and butt joint, stir the turning block, threaded connection between turning block and the butt joint makes the turning block be close to each other with the baffle gradually, and the extrusion piece extrudees the turning block under extrusion spring elastic's effect simultaneously, avoids becoming flexible between turning block and the butt joint to do not hard up and break away from to more give more convenient butt joint with the pipeline.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic cross-sectional view of a spray gun according to the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of a spray gun according to the present invention

FIG. 5 is a schematic side view of a cross-sectional structure of a spray gun according to the present invention

FIG. 6 is an enlarged view of the structure of the present invention A

FIG. 7 is a schematic view of the connection structure of the butt joint and the pipeline of the present invention

FIG. 8 is an enlarged view of the structure of the present invention B.

In the figure: 1. a spray gun; 2. a butt joint block; 3. filtering with a screen; 4. a rotating shaft; 5. an arc-shaped scraping blade; 6. a rubber pad; 7. a butt joint; 8. a spoiler; 9. connecting blocks; 10. rotating the block; 11. a fixed block; 12. a limiting plate; 13. clamping a plate; 14. a connecting shaft; 15. a support frame; 16. butting the bumps; 17. a snap spring; 18. a clamping block; 19. pressing a plate; 20. a return spring; 21. connecting lugs; 22. a slider; 23. a support pillar; 24. sleeving a column; 25. a gear plate; 26. a gear post; 27. a limiting block; 28. turning a plate; 29. a connecting frame; 30. a rotating shaft; 31. a roller; 32. a support block; 33. turning the column; 34. fixing a column; 35. a knob; 36. a chucking plate; 37. a baffle plate; 38. a compression spring; 39. extruding the block; 40. rotating the block; 41. a pipeline; 42. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a colliery is put out a fire with being convenient for prevent blockking up water spray extinguishing device, includes:

spray gun 1, inside fixedly connected with butt joint piece 2, the surface of butt joint piece 2 is connected with filter screen 3, and is the riveting connection structure between butt joint piece 2 and the filter screen 3, the inside swing joint of filter screen 3 has pivot 4, the surface through connection of pivot 4 has arc doctor-bar 5, the laminating of one side surface of arc doctor-bar 5 is connected with filter screen 3, rubber pad 6, the surface gomphosis is in the inner wall of spray gun 1, one side gomphosis that rubber pad 6 keeps away from spray gun 1 is in the inside of butt joint 7, and the vertical median line of rubber pad 6 sets up the junction at spray gun 1 and butt joint 7, the inside fixedly connected with spoiler 8 of butt joint 7, connecting block 9, surface swing joint has butt joint 7, connecting block 9 one end fixedly connected with commentaries on classics piece 10, the one end fixedly connected with fixed block 11 that commentaries on classics piece 10 kept away from connecting block 9, be the threaded connection structure between the surface of fixed block 11 and the inner wall of spray gun 1, the method comprises the following steps that a filter screen 3 is butted with a butt joint block 2 in a spray gun 1, the filter screen 3 is positioned by riveting the filter screen 3 and the butt joint block 2, then the spray gun 1 is butted with a butt joint 7, a rotating block 10 is rotated, the rotating block 10 drives a fixing block 11 to be in threaded connection with the spray gun 1, the spray gun 1 and the butt joint 7 are fixed with each other, when water flows into the spray gun 1, a spoiler 8 conducts drainage on the water flows, the water flows form certain impact force on an arc-shaped scraping blade 5, the arc-shaped scraping blade 5 is caused to rotate, and when the filter screen 3 filters water, the arc-shaped scraping blade 5 can scrape away filtered waste residues, so that impurities in the water are avoided, and the interior of the spray gun 1 is blocked;

the surface of the spray gun 1 is fixedly connected with two limit plates 12, a clamping plate 13 is arranged between the two limit plates 12, one end of the clamping plate 13 is movably connected with a connecting shaft 14, the surface of the connecting shaft 14 is movably connected with a support frame 15, the clamping plate 13 forms a rotary connection structure with the support frame 15 through the connecting shaft 14, the top of the support frame 15 is fixedly connected with a butt-joint convex block 16, the surface of the butt-joint convex block 16 is connected with the clamping plate 13 in a penetrating way, a clamping spring 17 is connected inside the butt-joint convex block 16, one end of the clamping spring 17 is connected with a clamping block 18, the clamping block 18 forms an elastic clamping structure with the clamping plate 13 through the elastic effect of the clamping spring 17, one side of the top of the clamping block 18 is of an inclined structure, an inclined surface at the top of the clamping block 18 is connected with a pressing plate 19 in a laminating way, the inside of the pressing plate 19 is connected with a return spring 20, and the pressing plate 19 forms an elastic telescopic structure with the butt-joint convex block 16 through the elastic effect of the return spring 20, the pressing plate 19 is pressed, the pressing plate 19 extrudes the clamping block 18, the clamping block 18 moves towards one end of the clamping spring 17 until the surface of the clamping block 18 is separated from the clamping plate 13, and then the clamping plate 13 is rotated through the connecting shaft 14, so that the clamping plate 13 is opened, when the device is not convenient to move, the spray gun 1 can be taken out from the top of the supporting frame 15, and the fire can be conveniently extinguished at the fire-starting position of the spray gun 1;

the bottom fixedly connected with engaging lug 21 of spray gun 1, the inside swing joint of engaging lug 21 has slider 22, slider 22 is mainly regarded as circularly, and slider 22's one end is connected with support column 23, the surface of support column 23 is connected with set post 24, and be screw thread elevation structure between the bottom of support column 23 and the inner wall of set post 24, the bottom of set post 24 is connected with gear disc 25, the surface meshing of gear disc 25 has gear post 26, be the gear connection structure between gear post 26 and the gear disc 25, gear post 26 surface through connection has stopper 27, stopper 27 surface swing joint has sweep 28, the perpendicular fixedly connected with link 29 in top of sweep 28, the inside swing joint of link 29 has axis of rotation 30, the surface swing joint of axis of rotation 30 has spray gun 1, gyro wheel 31 is installed to the bottom of sweep 28, the gear column 26 is rotated, the gear column 26 drives the gear disc 25 to rotate, the sleeve column 24 at the top of the gear disc 25 rotates when the gear disc 25 rotates, and when the sleeve column 24 rotates, the thread lifting structure between the sleeve column 24 and the support column 23 enables the support column 23 to drive the angle of one end of the spray gun 1 to change, so that the angle of the spray gun 1 can be conveniently adjusted, the spray gun 1 can conveniently extinguish a fire from a fire source, and the fire extinguishing efficiency is higher;

the top of the vehicle plate 28 is fixedly connected with a supporting block 32, a rotating shaft 30 is movably connected inside the supporting block 32, a fixed column 34 is connected to the surface of the rotating shaft 30 in a penetrating manner, the fixed column 34 is rotatably connected with the supporting block 32 through the rotating shaft 30, a knob 35 is connected to the surface of the fixed column 34 in a penetrating manner, a threaded connection structure is formed between the knob 35 and the fixed column 34, a clamping plate 36 is connected to the bottom of the knob 35, the fixed column 34 is connected to the surface of the clamping plate 36 in a penetrating manner, the pipeline 41 is placed on the supporting block 32, the clamping plate 36 is abutted with the supporting block 32, the fixed column 34 is rotated through the rotating column 33 until the surface of the fixed column 34 penetrates through the clamping plate 36, the knob 35 is rotated clockwise, the threaded connection between the knob 35 and the fixed column 34 tightly presses and fixes the clamping plate 36, and the supporting block 32 and the clamping plate 36 support the pipeline 41, the problem that the water flow is not smooth due to overlarge bending radian of the pipeline 41 can be avoided;

fixedly surface of butt joint 7 is connected with baffle 37, the internal connection of baffle 37 has extrusion spring 38, the one end of extrusion spring 38 is connected with extrusion piece 39, extrusion piece 39 passes through to constitute the elastic telescopic structure between extrusion spring 38 and the baffle 37, and the one end laminating of extrusion piece 39 has turning block 40, be threaded connection between turning block 40 inner wall and the surface of butt joint 7, and the inside through connection of turning block 40 has pipeline 41, the junction inner wall of pipeline 41 one end and butt joint 7 is provided with sealed pad 42, docks pipeline 41 one end and butt joint 7, stirs turning block 40, and threaded connection between turning block 40 and the butt joint 7 makes turning block 40 and baffle 37 be close to each other gradually, and extrusion piece 39 extrudees turning block 40 under the elastic effect of extrusion spring 38 simultaneously, avoids becoming flexible between turning block 40 and the butt joint 7 and breaks away from, thereby more conveniently butting the butt joint 7 and the pipeline 41.

In summary, the following steps: as shown in fig. 1-8, when using the anti-clogging water-spraying fire-extinguishing device for fire extinguishing in coal mine, firstly, the filter screen 3 is butted with the butt-joint block 2 inside the spray gun 1, so that the filter screen 3 is positioned by riveting between the filter screen 3 and the butt-joint block 2, then the spray gun 1 is butted with the butt-joint head 7, and the rotating block 10 is rotated, the rotating block 10 drives the fixing block 11 to be in threaded connection with the spray gun 1, so that the spray gun 1 and the butt-joint head 7 are fixed with each other, when water flows into the spray gun 1, the spoiler 8 guides the water flow, so that the water flow forms a certain impact force on the arc-shaped scraper 5, and the arc-shaped scraper 5 rotates, so that when the filter screen 3 filters water, the arc-shaped scraper 5 can scrape away filtered waste residues, and impurities in the water are avoided, so as to cause the inner clogging of the spray gun 1, the pressing plate 19 is pressed, and the pressing plate 19 extrudes the clamping block 18, so that the clamping block 18 moves towards one end of the clamping spring 17, until the surface of the clamping block 18 and the clamping plate 13 are separated from each other, and then the clamping plate 13 is rotated through the connecting shaft 14, so that the clamping plate 13 is opened, so that when the device is not convenient to move, the spray gun 1 can be taken out from the top of the supporting frame 15, so that the spray gun 1 can extinguish a fire more conveniently, the gear column 26 is rotated, the gear column 26 drives the gear disc 25 to rotate, the loop column 24 at the top of the gear disc 25 rotates when the gear disc 25 rotates, when the loop column 24 rotates, the thread lifting structure between the loop column 24 and the supporting column 23 enables the supporting column 23 to drive the angle of one end of the spray gun 1 to change, so that the angle of the spray gun 1 can be conveniently adjusted, so that the spray gun 1 extinguishes a fire source, the fire extinguishing efficiency is higher, the pipeline 41 is placed on the supporting block 32, then, the clamping plate 36 is abutted with the supporting block 32, the fixing column 34 is rotated through the rotating column 33 until the surface of the fixing column 34 penetrates through the clamping plate 36, the knob 35 is rotated clockwise, the clamping plate 36 is pressed and fixed through threaded connection between the knob 35 and the fixing column 34, so that the supporting block 32 and the clamping plate 36 support the pipeline 41, the problem that the water flow is not smooth due to the overlarge bending radian of the pipeline 41 can be avoided, one end of the pipeline 41 is butted with the butt joint 7, the rotating block 40 is pulled, the rotating block 40 is gradually close to the baffle 37 due to the threaded connection between the rotating block 40 and the butt joint 7, meanwhile, the extrusion block 39 extrudes the rotating block 40 under the elastic action of the extrusion spring 38, so that the rotating block 40 is prevented from being loosened and separated from the butt joint 7, therefore, the butt joint 7 and the pipeline 41 can be butt jointed more conveniently, and the water spraying fire extinguishing device for coal mine fire extinguishing is characterized by being convenient for blocking prevention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.