Pulverized coal collecting device of rock burst mine pressure relief construction drilling machine

Abstract

The utility model relates to the technical field of coal mining, in particular to a coal dust collecting device of a rock burst mine pressure relief construction drilling machine, which comprises a collecting box, a connecting drill rod is fixedly sleeved on the back of the collecting box, and a filtering mechanism for separating coal dust from sewage is arranged at the bottom of the collecting box. A slag discharging mechanism facilitating pulverized coal collecting and discharging actions is arranged on the front face of the collecting box, a spraying mechanism used for collecting pulverized coal and preventing dust from drifting away is arranged at the top of the collecting box, and an air exhaust mechanism used for exhausting air is arranged at the top of the collecting box. Pulverized coal and sewage are separated and collected through cooperation of the filtering mechanism and the deslagging mechanism and are conveniently discharged through the deslagging mechanism; the spraying mechanism is used for circulating the filtered sewage for dust suppression of the pulverized coal; the air exhaust mechanism is driven by the worm wheel fan blades to discharge harmful gas in the collecting box in a centralized mode, and potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, in particular to a coal powder collecting device for rock burst mine pressure relief construction drilling machine. BACKGROUND

[0002] In the rock burst mine pressure relief construction process, the coal powder produced by the drilling machine operation is often mixed with underground sewage and mined out, the traditional collecting device has problems such as non-separation of coal and water, complex deslagging operation, easy dust pollution of dry coal powder, and the like, and harmful gases such as gas are easily accumulated in the closed collecting box, which has safety hazards. There is a lack of integrated design for simultaneous treatment of coal powder and sewage in the prior art, and an additional water source is often required for dust suppression spraying, resulting in resource waste, and the synergy of the gas discharge system and the collecting structure is insufficient. SUMMARY

[0003] The utility model discloses a coal powder collecting device for rock burst mine pressure relief construction drilling machine, which solves the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal powder collecting device for rock burst mine pressure relief construction drilling machine, comprising a collecting box, a connecting drill rod is fixedly sleeved on the back of the collecting box, a filtering mechanism for separating coal powder and sewage is arranged at the bottom of the collecting box, a deslagging mechanism for facilitating coal powder collection and discharge is arranged on the front of the collecting box, a spraying mechanism for preventing dust from drifting during coal powder collection is arranged at the top of the collecting box, and an air extraction mechanism for gas discharge is arranged at the top of the collecting box.

[0005] Further, the filtering mechanism comprises a guide box and a deslagging box, the guide box is fixedly connected to the bottom of the collecting box, a water collecting box is fixedly sleeved on the bottom of the guide box, a drain pipe is fixedly connected to the bottom of the water collecting box, a water valve is arranged on the outer wall of the drain pipe, a filter screen is fixedly connected to the inner wall of the guide box, one side of the filter screen is fixedly connected to one side of the inner wall of the guide box, the other side of the filter screen is connected to the other side of the inner wall of the collecting box, and the deslagging box is fixedly connected to the outer wall of the collecting box near the fixed side of the filter screen and the guide box.

[0006] Further, the filter screen is in an inclined state, and the included angle with the horizontal plane is 8-15 degrees, a through groove is formed in the side of the collecting box near the deslagging box, and the inside of the deslagging box is connected in communication with the inside of the collecting box through the through groove.

[0007] Further, the slag discharge mechanism comprises a baffle, a support box, the baffle is fixedly connected to the inner wall of the collecting box near the side of the slag discharge box, the side of the baffle away from the collecting box is slidingly connected with a sliding plate, the side of the sliding plate is fixedly connected with a limiting strip, the inner wall of the through groove is provided with a limiting groove, the inside of the limiting groove is slidingly connected with the outer wall of the limiting strip, the support box is fixedly connected to the outer wall of the collecting box near the side of the slag discharge box, the side of the sliding plate near the support box is fixedly connected with a toothed plate, one side of the support box is rotatably connected with a first rotating rod, the first rotating rod penetrates through the support box and extends to the other side of the support box, one end of the first rotating rod outside the support box is fixedly connected with a hand rotating disc, the outer wall of the first rotating rod inside the support box is fixedly sleeved with a gear ring, the toothed plate and the gear ring are both two, and are mirror symmetric with the median line of the support box.

[0008] Further, the limiting groove and the limiting strip are two, and are mirror symmetric with the median line of the sliding plate, the bottom of the support box is fixedly connected with the top of the slag discharge box, and the inner wall of the support box is flush with the inner wall of the through groove.

[0009] Further, the spraying mechanism comprises a water tank, a water pump pump head, the water tank is fixedly connected to the top outer wall of the collecting box, the top and the bottom of the water tank are fixedly sleeved with a fixed pipe, the inside of the fixed pipe is rotatably connected with a second rotating rod, one end of the second rotating rod inside the collecting box is fixedly connected with a rotating disc, the bottom of the water tank is provided with a water outlet hole, the water outlet hole is above the rotating disc, the top outer wall of the water tank is fixedly connected with a double-shaft motor, one side output shaft of the double-shaft motor and one end of the second rotating rod on the top of the water tank are connected through bevel gears, the water pump pump head is fixedly installed on the side of the collecting box, the water pump pump head is fixedly connected to the side outer wall of the collecting box, the output shaft of the water pump pump head is fixedly connected with a third rotating rod, the top end of the third rotating rod and the other side output shaft of the double-shaft motor are connected through bevel gears, the input end of the water pump pump head is sleeved with a second connecting pipe, the other end of the second connecting pipe is connected with the inside of the water collecting box, the output end of the water pump pump head is fixedly sleeved with a first connecting pipe, and the other end of the first connecting pipe is connected with the inside of the water tank.

[0010] Further, the water outlet hole is a plurality of, and is arranged in an annular equidistant array with the median line of the second rotating rod, the fixed pipe, the second rotating rod and the rotating disc are two, and are mirror symmetric with the median line of the water tank, and the top ends of the two second rotating rods are connected with the output shaft of the double-shaft motor through bevel gears.

[0011] Further, the air extraction mechanism comprises an exhaust pipe fixedly connected with the top and bottom of the water tank, the bottom of the exhaust pipe is communicated with the inside of the collecting box, the top of the exhaust pipe penetrates through the top of the water tank and extends to the outside of the top of the water tank, a fourth rotating rod is rotationally connected to the inside of the exhaust pipe, the other end of the fourth rotating rod penetrates through the other side of the exhaust pipe and extends to the outside of the other side of the exhaust pipe and is in transmission connection with one side output shaft of the double-shaft motor through a bevel gear, the first supporting frame and the second supporting frame are rotationally connected with a fifth rotating rod on the side close to each other, the bottom of the fifth rotating rod penetrates through the bottom of the first supporting frame and is in transmission connection with the outer wall of the fourth rotating rod through a bevel gear, and the outer wall of the fifth rotating rod is fixedly connected with a worm gear fan blade.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The filter mechanism and the residue discharging mechanism are matched, so that the coal powder and sewage collected by the impact ground pressure mine pressure relief construction drilling machine are separated, and the separated sewage is collected in the collecting box, and when the sewage needs to be discharged, the residue discharging mechanism is controlled to be opened.

[0014] 2、The spraying mechanism is arranged, so that the dry coal powder is sprayed with the sewage when the coal powder is collected, and the sewage is the sewage separated by the filter mechanism, so that the problem of resource waste caused by external water source is avoided, and the problem of dry coal powder falling out is avoided by spraying water.

[0015] 3、The air extraction mechanism is arranged, the fifth rotating rod in the air extraction mechanism drives the worm gear fan blade to rotate, so that the harmful gas in the collecting box is effectively discharged, and the harm caused by the harmful gas is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-restrictive embodiments with reference to the accompanying drawings:

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model of a coal powder collecting device of an impact ground pressure mine pressure relief construction drilling machine;

[0018] Figure 2 It is a three-dimensional structure schematic view of the utility model of a coal powder collecting device of an impact ground pressure mine pressure relief construction drilling machine from the back;

[0019] Figure 3The utility model discloses a three -dimensional structure schematic diagram of section view of the coal powder collection device of the impact ground pressure mine pressure relief construction drilling machine.

[0020] Figure 4 The utility model discloses a three -dimensional structure schematic diagram of section view of the coal powder collection device of the impact ground pressure mine pressure relief construction drilling machine.

[0021] Figure 5 The utility model discloses a three -dimensional structure schematic diagram of the air extraction mechanism of the coal powder collection device of the impact ground pressure mine pressure relief construction drilling machine.

[0022] In the drawing,

[0023] 1, collection box, 2, connecting drill rod, 3, filter mechanism, 31, guide box, 32, water collecting box, 33, drain pipe, 34, filter screen, 35, deslagging box, 4, deslagging mechanism, 41, baffle, 42, support box, 43, limiting groove, 431, limiting strip, 44, sliding plate, 45, toothed plate, 46, first rotating rod, 47, gear ring, 48, hand rotating disc, 5, spraying mechanism, 51, water tank, 52, fixed pipe, 53, water outlet hole, 54, second rotating rod, 55, rotating disc, 56, double-shaft motor, 57, third rotating rod, 58, water pump head, 59, first connecting pipe, 510, second connecting pipe, 6, air extraction mechanism, 61, exhaust pipe, 62, fourth rotating rod, 63, first support frame, 64, fifth rotating rod, 65, worm wheel fan blade, 66, second support frame. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0025] As Figures 1 to 5 Indicated, the utility model provides a technical scheme: a coal powder collection device of impact ground pressure mine pressure relief construction drilling machine, including collection box 1, the back of collection box 1 is fixedly sleeved with connecting drill rod 2, and the bottom of collection box 1 is provided with filter mechanism 3 for separating coal powder from sewage, the front of collection box 1 is provided with deslagging mechanism 4 for facilitating coal powder collection and discharge, the top of collection box 1 is provided with spraying mechanism 5 for preventing dust from scattering during coal powder collection, and the top of collection box 1 is provided with air extraction mechanism 6 for gas discharge.

[0026] The filtering mechanism 3 comprises a guide box 31 and a residue discharging box 35, the guide box 31 is fixedly connected to the bottom of the collecting box 1, a water collecting box 32 is fixedly sleeved to the bottom of the guide box 31, a drain pipe 33 is fixedly connected to the bottom of the water collecting box 32, a water valve is arranged on the outer wall of the drain pipe 33, a filtering screen 34 is fixedly connected to the inner wall of the guide box 31, one side of the filtering screen 34 is fixedly connected to one side of the inner wall of the guide box 31, the other side of the filtering screen 34 is connected to the other side of the inner wall of the collecting box 1, the residue discharging box 35 is fixedly connected to the outer wall of the collecting box 1 near the fixed side of the filtering screen 34 and the guide box 31, the filtering screen 34 is in an inclined state and the included angle with the horizontal plane is 8-15 degrees, a through slot is arranged on the side of the collecting box 1 near the residue discharging box 35, and the inside of the residue discharging box 35 is communicated with the inside of the collecting box 1 through the through slot.

[0027] The coal powder and the sewage are simultaneously collected by connecting the collecting box 1 with the drill rod, the inclined filtering mechanism 3 is arranged at the bottom of the collecting box 1, the coal powder is automatically discharged along the inclined surface through the residue discharging box 35 by the physical blocking and gravity sorting of the filtering screen 34, and the sewage penetrates through the filtering screen 34 and flows into the guide box 31 and then into the water collecting box 32 at the bottom.

[0028] The residue discharging mechanism 4 comprises a baffle 41 and a supporting box 42, the baffle 41 is fixedly connected to the inner wall of the collecting box 1 near the residue discharging box 35, the baffle 41 is slidingly connected with a sliding plate 44 away from the collecting box 1, the side surface of the sliding plate 44 is fixedly connected with a limiting strip 431, a limiting groove 43 is arranged on the inner wall of the through slot, the inside of the limiting groove 43 is slidingly connected with the outer wall of the limiting strip 431, the supporting box 42 is fixedly connected to the outer wall of the collecting box 1 near the residue discharging box 35, the side of the sliding plate 44 near the supporting box 42 is fixedly connected with a toothed plate 45, one side of the supporting box 42 is rotationally connected with a first rotating rod 46, the first rotating rod 46 penetrates through the supporting box 42 and extends to the other side outside of the supporting box 42, one end of the first rotating rod 46 outside of the supporting box 42 is fixedly connected with a hand rotating disc 48, the outer wall of the first rotating rod 46 inside of the supporting box 42 is fixedly sleeved with a gear ring 47, the toothed plate 45 and the gear ring 47 are both two and are mirror symmetric with the center line of the supporting box 42, the limiting groove 43 and the limiting strip 431 are both two and are mirror symmetric with the center line of the sliding plate 44, the bottom of the supporting box 42 is fixedly connected with the top of the residue discharging box 35, and the inner wall of the supporting box 42 is flush with the inner wall of the through slot.

[0029] The residue discharging mechanism 4 forms a closed cavity by the baffle 41 fixedly connected to the inner wall of the collecting box 1 and the supporting box 42, the precise vertical guidance is realized by the cooperation of the limiting strips 431 on the two sides of the sliding plate 44 and the limiting grooves 43 in the through slot, and the lifting movement of the sliding plate 44 can be accurately controlled by driving the gear ring 47-toothed plate 45 transmission system through the hand rotating disc 48, so that the temporary storage sealing and directional residue discharging function switching of the coal powder in the collecting box 1 are realized.

[0030] The spraying mechanism 5 comprises a water tank 51, a water pump head 58, the water tank 51 is fixedly connected to the top outer wall of the collecting box 1, a fixed pipe 52 is fixedly sleeved to the top and bottom of the water tank 51, a second rotating rod 54 is rotatably connected in the fixed pipe 52, one end of the second rotating rod 54 located in the inside of the collecting box 1 is fixedly connected with a rotating disc 55, a water outlet hole 53 is arranged in the bottom of the water tank 51 and located above the rotating disc 55, a double-shaft motor 56 is fixedly connected to the top outer wall of the water tank 51, one side output shaft of the double-shaft motor 56 is in transmission connection with one end of the second rotating rod 54 located in the top of the water tank 51 through bevel gears, the water pump head 58 is fixedly installed on the side of the collecting box 1, the water pump head 58 is fixedly connected to the side outer wall of the collecting box 1, a third rotating rod 57 is fixedly connected to the output shaft of the water pump head 58, the other side output shaft of the double-shaft motor 56 is in transmission connection with the top end of the third rotating rod 57 through bevel gears, a second connecting pipe 510 is sleeved to the input end of the water pump head 58, the other end of the second connecting pipe 510 is in communication with the inside of the water collecting box 32, a first connecting pipe 59 is fixedly sleeved to the output end of the water pump head 58, the other end of the first connecting pipe 59 is in communication with the inside of the water tank 51, the water outlet hole 53 is a plurality of and arranged in an equidistant ring shape along the median line of the second rotating rod 54, the fixed pipe 52, the second rotating rod 54 and the rotating disc 55 are all two and mirror-symmetrical along the median line of the water tank 51, and the top end of the two second rotating rods 54 is in transmission connection with the output shaft of the double-shaft motor 56 through bevel gears.

[0031] The water pump pumping mechanism and the rotating spraying mechanism 5 are synchronously driven by the double-shaft motor 56, the sewage in the water collecting box 32 is transported to the top water tank 51 through the connecting pipe by the water pump head 58, the sewage falls to the concave rotating disc 55 through the bottom water outlet hole 53, and the sewage is uniformly sprayed under the centrifugal force of the rotating disc synchronously driven by the double-shaft motor 56, so that the wetting and dust-settling treatment of the pulverized coal in the collecting box 1 is realized.

[0032] The air pumping mechanism 6 comprises an exhaust pipe 61, the exhaust pipe 61 is fixedly connected to the top and bottom of the water tank 51, the bottom of the exhaust pipe 61 is in communication with the inside of the collecting box 1, the top of the exhaust pipe 61 penetrates through the top of the water tank 51 and extends to the outside of the top of the water tank 51, a fourth rotating rod 62 is rotatably connected in the inside of the exhaust pipe 61, the other end of the fourth rotating rod 62 penetrates through the other side of the exhaust pipe 61 and extends to the outside of the other side of the exhaust pipe 61 and is in transmission connection with one side output shaft of the double-shaft motor 56 through bevel gears, a first supporting frame 63 is fixedly connected to the inner wall of the exhaust pipe 61, a second supporting frame 66 is fixedly connected to the top inner wall of the exhaust pipe 61, a fifth rotating rod 64 is rotatably connected to one side of the first supporting frame 63 and the second supporting frame 66 which are close to each other, the bottom of the fifth rotating rod 64 penetrates through the bottom of the first supporting frame 63 and is in transmission connection with the outer wall of the fourth rotating rod 62 through bevel gears, and a worm fan blade 65 is fixedly connected to the outer wall of the fifth rotating rod 64.

[0033] The double support frame design enhances the stability of the rotating rod system, effectively reduces the running vibration, the special form of the worm gear fan blade 65 significantly improves the gas conveying efficiency, and the overall layout is compact, realizes the integrated design of the power system and the exhaust passage.

[0034] The working principle and use process of the utility model are as follows: first, the back of the collecting box 1 is connected with the connecting drill rod 2, thereby effectively realizing that the coal powder and sewage drilled out in the impact ground pressure mine pressure relief construction drilling machine enter the inside of the collecting box 1, the filter mechanism 3 is arranged on the bottom of the collecting box 1, the filter screen 34 in the filter mechanism 3 can filter the coal powder and sewage entering the inside of the collecting box 1, and due to the blockage of the filter screen 34, the coal powder is above the filter screen 34, and the filter screen 34 is in an inclined state, thereby the coal powder is discharged outward through the residue discharging box 35, and the sewage moves downward under the filtering action of the filter screen 34, thereby entering the inside of the guide box 31 and the inside of the water collecting box 32 for collection, because the bottom of the water collecting box 32 is fixedly sleeved with the drain pipe 33, and the outer wall of the drain pipe 33 is fixedly sleeved with the water valve, therefore the drain pipe 33 can be closed or opened, thereby realizing the separation of the sewage and the coal powder.

[0035] Through the residue discharging mechanism 4, because the baffle 41 is fixed on the inner wall of the collecting box 1, the through groove can be blocked, and a cavity is formed in cooperation with the supporting box 42, because the limiting strips 431 fixedly connected on the two sides of the sliding plate 44 can slide in the limiting grooves 43 opened in the through groove, therefore the sliding plate 44 is limited to move up and down, because the two toothed plates 45 are fixedly connected on the side of the sliding plate 44 close to the supporting box 42, and the first rotating rod 46 is supported through the supporting box 42, and the two toothed rings 47 are fixedly sleeved on the outer wall of the first rotating rod 46, because the two toothed rings 47 are engaged with the two toothed plates 45, and the first rotating rod 46 is fixedly connected with the hand rotating disc 48 at the outer end of the supporting box 42, therefore the rotation of the first rotating rod 46 is driven through the hand rotating disc 48, therefore the up and down movement of the sliding plate 44 can be controlled, therefore the coal powder in the collecting box 1 can be stored in the inside of the collecting box 1 or discharged from the inside of the residue discharging box 35, thereby realizing the collection of the coal powder, and the collected coal powder can be treated centrally.

[0036] Through the spray mechanism 5, through the water tank 51 fixed in the spray mechanism 5 on the top outer wall of the collection box 1, through the double-shaft motor 56 is powered on, and the double-shaft motor 56 is started, so that the output shaft on one side of the double-shaft motor 56 can drive the third rotating rod 57 to rotate, and the third rotating rod 57 can drive the output shaft of the water pump pump head 58 to rotate, so that the water pump pump head 58 can effectively extract the sewage in the water collecting box 32 from the second connecting pipe 510, and be transported to the inside of the first connecting pipe 59, and be transported to the inside of the water tank 51 through the first connecting pipe 59, and the water outlet hole 53 is opened at the bottom of the water tank 51, so that the sewage can be sprayed in the collection box 1, and the other output shaft of the double-shaft motor 56 can drive the rotation of the two second rotating rods 54, the fixed pipe 52 can support the second rotating rod 54, and the rotation of the second rotating rod 54 is facilitated, the two second rotating rods 54 are rotated respectively, and then the water flowing into the collection box 1 from the water outlet hole 53 falls into the rotating disc 55, the rotating disc 55 is in a concave disc shape, so that the rotating disc 55 can effectively spread the water in the collection box 1 when rotating, and dust generated by dry parts of the coal powder is prevented from falling out;

[0037] Through the setting of the air extraction mechanism 6, when the double-shaft motor 56 drives the rotation of the two second rotating rods 54, the fourth rotating rod 62 can also be driven to rotate, and the fifth rotating rod 64 can be driven to rotate by the fourth rotating rod 62, and the first support frame 63 and the second support frame 66 can support the fifth rotating rod 64, facilitating the rotation of the fifth rotating rod 64, and the fifth rotating rod 64 can drive the rotation of the worm gear fan blade 65 when rotating, so that the worm gear fan blade 65 can effectively extract the air in the collection box 1, and the internal pressure during mining and harmful gases such as methane and carbon monoxide can be discharged from the inside of the exhaust pipe 61, increasing safety.

[0038] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A coal dust collecting device for a rock burst mine pressure relief construction drill, comprising a collecting box (1), characterized in that: The back of the collecting box (1) is fixedly sleeved with a connecting drill rod (2), the bottom of the collecting box (1) is provided with a filtering mechanism (3) for separating coal powder from sewage, the front of the collecting box (1) is provided with a slag discharging mechanism (4) for facilitating the collection and discharge of coal powder, the top of the collecting box (1) is provided with a spraying mechanism (5) for preventing dust from drifting during the collection of coal powder, and the top of the collecting box (1) is provided with an air extraction mechanism (6) for air discharge.

2. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 1, characterized in that: The filtering mechanism (3) comprises a guide box (31) and a slag discharging box (35), the guide box (31) is fixedly connected to the bottom of the collecting box (1), the bottom of the guide box (31) is fixedly sleeved with a water collecting box (32), the bottom of the water collecting box (32) is fixedly connected with a drain pipe (33), the outer wall of the drain pipe (33) is provided with a water valve, the inner wall of the guide box (31) is fixedly connected with a filter screen (34), one side of the filter screen (34) is fixedly connected with the inner wall of the guide box (31), the other side of the filter screen (34) is connected with the other side of the inner wall of the collecting box (1), and the slag discharging box (35) is fixedly connected to the outer wall of the collecting box (1) near the fixed side of the filter screen (34) and the guide box (31).

3. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 2, characterized in that: The filter screen (34) is in an inclined state, and the included angle with the horizontal plane is 8-15 degrees, one side of the collecting box (1) near the slag discharging box (35) is provided with a through groove, and the inside of the slag discharging box (35) is communicated with the inside of the collecting box (1) through the through groove.

4. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 3, characterized in that: The slag discharging mechanism (4) comprises a baffle (41) and a supporting box (42), the baffle (41) is fixedly connected to the inner wall of the collecting box (1) near the slag discharging box (35), the side of the baffle (41) away from the collecting box (1) is slidingly connected with a sliding plate (44), the side of the sliding plate (44) is fixedly connected with a limiting strip (431), the inner wall of the through groove is provided with a limiting groove (43), the inside of the limiting groove (43) is slidingly connected with the outer wall of the limiting strip (431), the supporting box (42) is fixedly connected to the outer wall of the collecting box (1) near the slag discharging box (35), the side of the sliding plate (44) near the supporting box (42) is fixedly connected with a toothed plate (45), one side of the supporting box (42) is rotatably connected with a first rotating rod (46), the first rotating rod (46) penetrates through the supporting box (42) and extends to the outside of the other side of the supporting box (42), one end of the first rotating rod (46) outside the supporting box (42) is fixedly connected with a hand rotating disc (48), the outer wall of the first rotating rod (46) inside the supporting box (42) is fixedly sleeved with a gear ring (47), and the toothed plate (45) and the gear ring (47) are both two and mirror symmetric about the middle vertical line of the supporting box (42).

5. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 4, characterized in that: The limiting groove (43) and the limiting strip (431) are two and mirror symmetric about the middle vertical line of the sliding plate (44), the bottom of the supporting box (42) is fixedly connected with the top of the slag discharging box (35), and the inner wall of the supporting box (42) is flush with the inner wall of the through groove.

6. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 5, characterized in that: The spraying mechanism (5) includes a water tank (51), a water pump head (58), the water tank (51) is fixedly connected to the top outer wall of the collecting box (1), the top and bottom of the water tank (51) are fixedly sleeved with a fixed pipe (52), the inside of the fixed pipe (52) is rotatably connected with a second rotating rod (54), one end of the second rotating rod (54) inside the collecting box (1) is fixedly connected with a rotating disc (55), the bottom of the water tank (51) is provided with a water outlet hole (53), the water outlet hole (53) is located above the rotating disc (55), the top outer wall of the water tank (51) is fixedly connected with a double-shaft motor (56), one side output shaft of the double-shaft motor (56) and one end of the second rotating rod (54) located at the top of the water tank (51) are connected through bevel gear transmission, the water pump head (58) is fixedly installed on the side of the collecting box (1), the water pump head (58) is fixedly connected to the side outer wall of the collecting box (1), the output shaft of the water pump head (58) is fixedly connected with a third rotating rod (57), the top end of the third rotating rod (57) and the other side output shaft of the double-shaft motor (56) are connected through bevel gear transmission, the input end of the water pump head (58) is sleeved with a second connecting pipe (510), the other end of the second connecting pipe (510) is connected with the inside of the water collecting box (32), the output end of the water pump head (58) is fixedly sleeved with a first connecting pipe (59), the other end of the first connecting pipe (59) is connected with the inside of the water tank (51).

7. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 6, characterized in that: The water outlet hole (53) is a plurality of, and is arranged in a second rotating rod (54) midline ring equidistant array, the fixed pipe (52), the second rotating rod (54), the rotating disc (55) are two, and are mirror image symmetry with the midline of the water tank (51), the top end of the two second rotating rods (54) is connected with the output shaft of the double-shaft motor (56) through bevel gear transmission.

8. The coal dust collecting device of the rock burst mine pressure relief construction drilling rig according to claim 7, characterized in that: Said air extraction mechanism (6) includes exhaust pipe (61), exhaust pipe (61) is fixedly connected with the top, bottom of water tank (51), the bottom of exhaust pipe (61) is communicated with the inside of collection box (1), the top of exhaust pipe (61) penetrates the top of water tank (51) and extends to the outside of the top of water tank (51), the inside of exhaust pipe (61) is rotatably connected with fourth rotating rod (62), the other end of fourth rotating rod (62) penetrates the other side of exhaust pipe (61) and extends to the outside of the other side of exhaust pipe (61), and is drivenly connected with the output shaft of one side of double-shaft motor (56) through bevel gear, the inner wall of exhaust pipe (61) is fixedly connected with first support frame (63), the inner wall top of exhaust pipe (61) is fixedly connected with second support frame (66), the side of first support frame (63) and second support frame (66) is rotatably connected with fifth rotating rod (64) and moves away from each other, the bottom of fifth rotating rod (64) penetrates the bottom of first support frame (63), and is drivenly connected with the outer wall of fourth rotating rod (62) through bevel gear, the outer wall of fifth rotating rod (64) is fixedly connected with worm gear fan blade (65).

Images