CN114985349B

CN114985349B - Flushing device for mining drill bit

Info

Publication number: CN114985349B
Application number: CN202210581539.5A
Authority: CN
Inventors: 梁锋; 田军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-06-02
Anticipated expiration: 2042-05-26
Also published as: CN114985349A

Abstract

The invention discloses a mining drill bit flushing device, which comprises a placing box, wherein a clamping assembly for placing and positioning the mining drill bit is arranged in the placing box, a transmission assembly for transmitting power to the clamping assembly is arranged between the clamping assembly and the placing box, the transmission assembly comprises a support frame fixedly arranged on one side wall of the placing box, when a user uses the mining drill bit flushing device, the device is firstly placed on the ground, the peripheral support columns are used for adjusting the device to a proper height, then an external raw water pipeline can be adopted for connecting an internal flushing pipe and a water guide pipe, after the mining drill bit flushing device is placed, the ground can be preset with a digging drainage ditch at a water outlet of the device by the user, so that sewage after flushing can be effectively guided out through the drainage ditch, and thus, waterlogging caused by water retention is effectively avoided.

Description

Flushing device for mining drill bit

Technical Field

The invention relates to the technical field of drill bit flushing devices, in particular to a mining drill bit flushing device.

Background

The mining industry is an industrial department for directly mining various raw materials and fuels from the natural world, and mainly comprises mining and selecting various metal and nonmetal ores, wood cutting, tap water production and supply and the like. The method is characterized in that: taking natural substances in nature as labor objects, and the products are raw materials necessary for manufacturing industry; the construction period is long, the investment is large, and the product transportation quantity is large; limited resources of the deposit. The development mining industry must consider the resources, reserves, grades, occurrence conditions and distribution thereof, the national urgent need degree and the located traffic geographical position to determine reasonable mining scale, years and development time sequence, and when working to perform mining operation, mining drill bits and mining machinery are basically combined to perform mining operation.

When the existing drill bit is used for digging and digging pits, the drill bit rotates around the vertical shaft and simultaneously moves axially. Soil is cut under the action of torque and axial force of the drill bit, is destroyed and smashed under the action of extrusion and centrifugal force of the working blades, and forms soil flow to press the pit wall and simultaneously ascend to the ground surface along the page. When earth flow moves to the position without the blocking of the pit wall, the broken soil is thrown to the periphery of the pit due to the centrifugal force, the whole pit digging process is completed, but sediment is easily attached to the surface of a drill bit when the drill bit is mined, and if the sediment is not removed, the operation of digging the pit is affected, the drill bit needs to be replaced, after the replacement is completed, the replaced drill bit is cleaned, when the drill bit is firstly placed on the ground by a worker, then the drill bit is flushed through a water gun, so that splash and splash are caused during cleaning, clothes of the worker are possibly caused to be wetted or eyes are easily subjected to sediment sputtering, and inconvenience is caused when the worker cleans the drill bit.

Prior patent application No. 201922173544.9 discloses a mining drill bit flushing device comprising: flush tank, water pump and mining drill bit flushing pipe, this mining drill bit flushing device is equipped with automatically controlled telescopic link through the water supply dish bottom at the drill bit flusher, automatically controlled telescopic link adjusts the adjusting link through rotating the connector, adjusting link adjusts the inclination who washes the side pipe, realize crisscross multi-angle by the high pressure shower nozzle on a plurality of flushing side pipes and wash, effectually prevent to wash the dead angle, improved the effect of washing, but the device needs to fix the drill bit that will wash in the mining drill bit flushing pipe when using, and the process of washing adopts from last mode down, consequently when washing special screw drill bit, probably lead to drill bit helical blade problem that the effect of washing down part is relatively poor. To this end, we propose a mining drill bit flushing device.

Disclosure of Invention

The present invention is directed to a flushing device for a mining drill bit, which solves the above-mentioned problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mining drill bit washing unit, is including placing the case, place the incasement and be provided with the clamping component to the location of placing the mining drill bit, the clamping component with place and be provided with the transmission subassembly to clamping component transmission power between the case.

Preferably, the transmission assembly comprises a support frame fixedly arranged on one side wall of the placement box, a motor is fixedly connected to the support frame, a spline shaft is arranged on an output shaft of the motor, a spline sleeve which is rotationally connected to the placement box is arranged on the outer side of the spline shaft, a gear II is fixedly arranged on the outer side of the spline sleeve, two symmetrical gears III are connected with the outer side of the gear II in a meshed mode, gears IV are connected with the outer side of the gears III in a meshed mode, a one-way screw rod is arranged in an installation shaft hole of the gears IV, two symmetrical guide rods are fixedly arranged in the placement box, and a flushing assembly for flushing a mining drill bit after placement is connected between the one-way screw rod and the guide rods on the same side.

Preferably, the third gears are rotatably connected to the placement box, and the unidirectional screw rods are rotatably connected to the placement box.

Preferably, the clamping assembly comprises two symmetrical rotating frames arranged in the placing box, one rotating frame is connected with the other end of the spline housing, a plurality of fixed blocks distributed in an annular array are mounted on the rotating frame, threaded rods are connected to the fixed blocks in a rotating mode, threaded sleeves are connected to the outer sides of the threaded rods in a threaded mode, mounting seats are fixedly arranged at the other ends of the threaded sleeves, clamping heads are fixedly mounted on the mounting seats, the other ends of the threaded rods extend to the outer sides of the fixed blocks and are connected with a first gear, one toothed ring is connected to the outer side of the first gear in a meshed mode, and reversing assemblies for reversing flushing assemblies are connected between the rotating frames and the guide rods.

Preferably, the telescopic outer rods fixed on the fixed blocks are arranged on two sides of the threaded rod, the telescopic inner rods are connected in a sliding manner in the telescopic outer rods, the two telescopic inner rods are connected with the mounting seat at the other ends, the toothed ring is rotatably connected to the rotating frame, and a plurality of annular array-arranged grips are arranged on the outer sides of the toothed ring.

Preferably, the flushing assembly comprises a movable frame which is spirally connected on a unidirectional screw rod, the bottom of the movable frame is slidably connected on a guide rod, two flushing pipes with the same size are rotationally connected on the movable frame, gears five are all installed at the bottom ends of the flushing pipes, one toothed rod I is meshed and connected to the outer side of the gears five, two positioning seats with L-shaped vertical sections are fixedly installed on the movable frame, positioning grooves matched with the positioning seats are formed in the first toothed rod, two gears six with the same size are meshed and connected to the bottom end of the first toothed rod, transmission shafts are fixedly connected in installation shaft holes of the gears six, gears seven are installed at the other ends of the transmission shafts, and unidirectional bearings are connected between the gears seven and the transmission shafts.

Preferably, the two sides of the movable frame are fixedly provided with side blocks, the transmission shafts are rotatably connected to the side blocks, and the opposite sides of the side blocks are provided with ejector rods.

Preferably, the reversing assembly comprises a mounting frame rotationally connected to the rotating frame, and supporting legs are mounted at two ends of the mounting frame.

Preferably, the supporting legs are all connected to the guide rods in a sliding mode, the outer sides of the supporting legs are all fixedly connected with toothed rods II, and a pressing switch is fixedly installed on one of the toothed rods II.

Preferably, the cleaning assembly for cleaning the inner wall of the placing box is arranged on the placing box, the cleaning assembly comprises two water guide pipes with the same size, the top end of the placing box is fixed, a plurality of cleaning rollers with the same size are rotationally connected on the placing box, one end of each cleaning roller is connected with a gear eight, one gear eight is meshed and connected with a gear nine on the outer side of the gear eight, and the gear nine is arranged at the other end of the unidirectional screw rod.

Compared with the prior art, the invention has the beneficial effects that:

1. when a user uses the excavating bit flushing device, the device is firstly placed on the ground, the device is adjusted to a proper height through the surrounding support columns, then an external raw water pipeline can be adopted to be connected with the internal flushing pipe and the water guide pipe, and after the device is placed, the user can presets an excavating drainage ditch on the ground at the water outlet of the device, so that the flushed sewage can be effectively and rapidly led out through the drainage ditch, waterlogging caused by water retention is effectively avoided, and the device is partially connected through bolts, so that the device is convenient to use and assemble, is convenient to process, manufacture and use on site, and effectively improves the portability of the device in use.

2. According to the invention, after the mining drill bit is fixed, the motor in the transmission assembly and the external raw water driving device can be started, so that the drill bit on the rotating frame starts to rotate, and meanwhile, the movable frame in the flushing assembly is enabled to synchronously shift, when the movable frame moves to a certain position, the toothed bar II and the pressing switch are respectively contacted with the gear seven and the ejector rod, so that the gear seven rotates to drive the gear six to rotate, the toothed bar I shifts to drive the flushing pipe connected with the gear five to rotate and change direction, the flushing pipe is realized to flush the other side of the mining drill bit, after the ejector rod is contacted with the pressing switch, the pressing switch is connected with the motor, the forward and backward rotation of the motor is controlled, the motor is enabled to rotate reversely after the ejector rod presses the pressing switch, and the gear seven is connected with the transmission shaft by adopting a one-way bearing, and therefore, the movable frame drives the gear seven to idle, the phenomenon that the flushing pipe returns to the original position again is effectively avoided, the pipe orifice of the flushing pipe faces downwards, and the baffle plate on the periphery of the flushing pipe is placed in the flushing box, so that sediment can be effectively sprayed to the eyes of a person can not be easily cleaned by the flushing device, and the problem of the cleaning device is solved, and the cleaning effect of the two sides of the mining drill bit can be improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in partial cross section according to the present invention;

FIG. 3 is a schematic view of the left-hand portion of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the left-hand partially exploded view of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of a portion of the structure of the clamping assembly of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of a portion of the reversing assembly of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of a portion of the conduit of FIG. 4 in a bottom view in accordance with the present invention;

FIG. 8 is a schematic view of a portion of the cleaning assembly of FIG. 2 in accordance with the present invention;

FIG. 9 is a schematic view of a partial top view of the clamp assembly of FIG. 4 in accordance with the present invention;

FIG. 10 is a schematic view of a portion of the mobile frame of FIG. 9 in a left-hand configuration in accordance with the present invention;

FIG. 11 is a schematic view of a bottom portion of the mobile frame of FIG. 10 according to the present invention;

FIG. 12 is a schematic diagram of a side view of the partially exploded view of FIG. 11 in accordance with the present invention;

fig. 13 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1-placing a box; 2-a clamping assembly; 21-a rotating frame; 22-a fixed block; 23-a threaded rod; 24-thread sleeve; 25-telescoping outer rod; 26-telescoping inner rod; 27-a mounting base; 28-clamping heads; 29-gear one; 210-a toothed ring; 211-grip; 3-a transmission assembly; 31-a supporting frame; 32-an electric motor; 33-spline shaft; 34-spline housing; 35-gear II; 36-gear three; 37-gear IV; 38-a one-way screw rod; 39-a guide bar; 4-flushing the assembly; 41-a movable frame; 42-flushing pipe; 43-gear five; 44-first toothed bar; 45-positioning seats; 46-gear six; 47-a transmission shaft; 48-gear seven; 49-one-way bearing; 410-side blocks; 411-ejector pins; 5-cleaning the assembly; 51-a water guide pipe; 52-cleaning rollers; 53-gear eight; 54-gear nine; 6-reversing assembly; 61-mounting rack; 62-supporting legs; 63-a second toothed bar; 64-push switch.

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.

Referring to fig. 1-12, the present invention provides a technical solution:

example 1:

the utility model provides a mining drill bit washing device, including placing case 1, place case 1 in be provided with to the mining drill bit place the centre gripping subassembly 2 of location, be provided with the transmission subassembly 3 to the transmission power of centre gripping subassembly 2 between centre gripping subassembly 2 and the placing case 1, when this mining drill bit washing device is used to the user, place the device on ground earlier, adjust to suitable height through the support column all around, then can adopt outside raw water piping to be connected with inside wash pipe 42, aqueduct 51, and the user after placing, can preset the excavation escape canal in the ground in the delivery port department of the device, so that the sewage after the washing can be effectively led out fast through the escape canal, thereby avoid the water to detain effectively and cause the waterlogging, and the device is convenient for on-the-spot processing preparation, use through the escape canal, portability when using of this device has been improved effectively, when the preparation work is completed, one end of the mining bit can be placed on the chuck 28 of the rotating frame 21 in the clamping assembly 2, after the placement is completed, the other rotating frame 21 is adjusted according to the length of the mining bit, after the adjustment is completed, the other end of the mining bit is placed on the chuck 28 of the rotating frame 21, after the placement of the two ends of the mining bit is completed, the handles 211 at the two ends can be respectively held, then the toothed ring 210 is rotated, so that the first gear 29 is rotated to drive the threaded rod 23 to rotate, the threaded sleeve 24 is driven to drive the corresponding chuck 28 to shift, the fixation of the two ends of the mining bit is realized, after the fixation, the motor 32 in the transmission assembly 3 and an external raw water driving device can be started, so that the drill bit on the rotating frame 21 starts to rotate, and meanwhile, the movable frame 41 in the flushing assembly 4 is synchronously shifted, when the movable frame 41 moves to a certain position, the toothed bar two 63 and the pressing switch 64 are respectively contacted with the gear seven 48 and the ejector rod 411, so that the gear seven 48 rotates to drive the gear six 46 to rotate, the toothed bar one 44 shifts to drive the flushing pipe 42 connected with the gear five 43 to rotate and reverse, thereby realizing flushing of the other side of the mining drill bit by the flushing pipe 42, after the ejector rod 411 contacts with the pressing switch 64, wherein the pressing switch 64 is connected with the motor 32, forward and reverse rotation of the motor 32 is controlled, after the pressing switch 64 is pressed by the ejector rod 411 after adjustment, the motor 32 is reversed, the gear seven 48 is connected with the transmission shaft 47 by adopting the one-way bearing 49, during the reverse rotation, the movable frame 41 drives the gear seven 48 to move out, the gear seven 48 can idle, thereby effectively avoiding the phenomenon that the regulated flushing pipe 42 returns to the original position again, wherein the pipe orifice of the flushing pipe 42 is inclined downwards towards the angle, and during flushing, by placing the baffle plate on the periphery of the box 1, the phenomenon that the clothes of a worker is likely to be easily sputtered by the sediment, thereby the sediment is prevented, the cleaning effect of the worker is improved, and the cleaning effect of the cleaning of the mud and the soil is improved after the two sides of the drill bit is simultaneously cleaned by the device.

The transmission assembly 3 comprises a support frame 31 fixedly arranged on one side wall of the placement box 1, a motor 32 is fixedly connected to the support frame 31, a spline shaft 33 is arranged on an output shaft of the motor 32, a spline housing 34 which is rotationally connected to the placement box 1 is arranged on the outer side of the spline shaft 33, a gear II 35 is fixedly arranged on the outer side of the spline housing 34, two symmetrical gears III 36 are connected to the outer side of the gear II 35 in a meshed manner, gears IV 37 are connected to the outer side of the gears III 36 in a meshed manner, a one-way screw 38 is arranged in an installation shaft hole of the gears IV 37, two symmetrical guide rods 39 are fixedly arranged in the placement box 1, a flushing assembly 4 for flushing a mining drill bit after placement is connected between the one-way screw 38 and the guide rods 39 on the same side, the support frame 31 and the motor 32 are fixed on the placement box 1 through bolts, so that a user can disassemble and assemble the transmission assembly, and conveniently carry the transmission assembly, and the transmission assembly can effectively drive the spline housing 34 to rotate after being butted by the spline shaft 33, so that the motor 32 can rotate after being fixed on the rotation frame 21.

The third gear 36 is rotatably connected to the placement box 1, the unidirectional screw 38 is rotatably connected to the placement box 1, the second gear 35 drives the third gear 36 to rotate, so that the unidirectional screw 38 rotates through the fourth gear 37, the movable frame 41 can be effectively shifted, the third gear 36 is rotatably connected to the placement box 1 through a built-in connecting rod, and the third gear 36 is effectively driven to rotate when the second gear 35 rotates.

The clamping assembly 2 comprises two symmetrical rotating frames 21 arranged in the placing box 1, one rotating frame 21 is connected with the other end of a spline housing 34, a plurality of fixed blocks 22 distributed in a ring-shaped array are arranged on the rotating frame 21, threaded rods 23 are connected to the fixed blocks 22 in a rotating mode, threaded sleeves 24 are connected to the outer sides of the threaded rods 23 in a spiral mode, mounting seats 27 are fixedly arranged at the other ends of the threaded sleeves 24, clamping heads 28 are fixedly arranged on the mounting seats 27, the other ends of the threaded rods 23 extend to the outer sides of the fixed blocks 22 and are connected with a first gear 29, the outer sides of the first gear 29 are connected with the same toothed ring 210 in a meshed mode, a reversing assembly 6 for reversing the flushing assembly 4 is connected between the rotating frame 21 and a guide rod 39, and when the toothed ring 210 is rotated by a user through the threaded sleeves 24, the threaded rods 23 are enabled to rotate, the mounting seats 27 are effectively driven to shift, and the clamping heads 28 can be adjusted according to diameters of tail ends and drill tips of different drill bits, and therefore applicability of the device in use is improved.

The telescopic outer rods 25 fixed on the fixed blocks 22 are arranged on two sides of the threaded rod 23, the telescopic inner rods 26 are connected with the telescopic outer rods 25 in a sliding mode, the other ends of the two telescopic inner rods 26 are connected with the mounting seats 27, the toothed ring 210 is rotatably connected to the rotating frame 21, a plurality of annular array-arranged grips 211 are arranged on the outer sides of the toothed ring 210, and a user can conveniently rotate the toothed ring 210 through the grips 211, so that the portability of the device in use is improved, the mounting seats 27 are more stable in displacement through the two groups of telescopic inner rods 26 and the telescopic outer rods 25, the phenomenon of deviation of the clamping heads 28 is avoided, and the stability of the device in use is guaranteed.

The flushing assembly 4 comprises a movable frame 41 which is spirally connected on the unidirectional screw rod 38, the bottom of the movable frame 41 is slidingly connected on a guide rod 39, two flushing pipes 42 with the same size are rotatably connected on the movable frame 41, gears five 43 are arranged at the bottom ends of the flushing pipes 42, the outer sides of the gears five 43 are meshed and connected with the same one-way threaded rod 44, two positioning seats 45 with L-shaped vertical sections are fixedly arranged on the movable frame 41, positioning grooves matched with the positioning seats 45 are formed in the first toothed rod 44, two gears six 46 with the same size are meshed and connected at the bottom ends of the first toothed rod 44, transmission shafts 47 are fixedly connected in mounting shaft holes of the gears six 46, gears seven 48 are arranged at the other ends of the transmission shafts 47, unidirectional bearings 49 are connected between the gears seven 48 and the transmission shafts 47, and the top ends of the flushing pipes 42 are provided with rotary joints, and therefore the flushing pipes 42 cannot interfere water pipes connected externally when rotating, stability of the device is guaranteed, the top of the movable frame 41 is connected with the unidirectional screw rod 38, the bottom of the movable frame 44 is rotatably displaced through the unidirectional screw rod 38, the bottom of the movable frame 44 is meshed and connected with the guide rod 39 through the corresponding gears 48, and the gears 48 can be prevented from being in the direction of rotation of the two gears 48, and the two gears 48 can be rotated, and the two gears 63 can be prevented from being rotated and rotated, and the gear 48 can be rotated and rotated, and the gear 48 is prevented from being in the direction of rotation, and the gear 48 is in the direction of rotation, and the idle rotation, and the gear 48 is guaranteed, and the gear is positioned, and the gear is in the gear is rotated.

The two sides of the movable frame 41 are fixedly provided with the side blocks 410, the transmission shafts 47 are rotatably connected to the side blocks 410, the opposite sides of the side blocks 410 are provided with the ejector rods 411, the length of each ejector rod 411 is consistent with the length of the corresponding toothed bar 63, so that the seven gears 48 rotate and change directions, then the motors 32 are reversed by touching the push switches 64, and the automatic reciprocating cleaning of the flushing pipes 42 is realized, so that the portability of the device in use is effectively improved.

The reversing assembly 6 comprises a mounting frame 61 rotatably connected to the rotating frames 21, and support legs 62 are mounted at two ends of the mounting frame 61, wherein one rotating frame 21 can be effectively positioned when moving through the support legs 62, so that the phenomenon that a drill bit is deviated due to the fact that a chuck 28 is fixed at a later stage is avoided.

The supporting legs 62 are all connected onto the guide rod 39 in a sliding manner, the second toothed rods 63 are fixedly connected to the outer sides of the supporting legs 62, the pressing switch 64 is fixedly installed on one of the second toothed rods 63, the pressing switch 64 is connected with the motor 32, the motor 32 is controlled to rotate positively and negatively, and the waterproof layer is covered on the outer surface, so that the influence of external sewage is effectively avoided.

The cleaning assembly 5 for cleaning the inner wall of the placement box 1 is arranged on the placement box 1, the cleaning assembly 5 comprises two water guide pipes 51 with the same size, the top end of the placement box 1 is fixed, a plurality of cleaning rollers 52 with the same size are rotatably connected to the placement box 1, one end of each cleaning roller 52 is connected with a gear eight 53, the outer side of one gear eight 53 is in meshed connection with a gear nine 54, the gear nine 54 is arranged at the other end of the unidirectional screw rod 38, and the cleaning rollers 52 are in meshed connection through the gears eight 53, so that the unidirectional screw rod 38 can drive the gears nine 54 to rotate when rotating, and the cleaning action on two sides of the placement box 1 is realized.

Example 2:

as shown in fig. 13, in the second embodiment, other structures are unchanged, and the present invention provides another structure form of placing and fixing the mining drill bit. When the tail end of the mining drill bit adopts a flange plate form, the chuck 28 adopts a semi-arc design, and the inner part is designed into a groove, and when the mining drill bit at the tail end of the flange plate is placed, the outer concave area can be used for positioning, so that the condition of insufficient clamping space in the chuck 28 can be avoided. In the second embodiment, in order to fix the mining drill with different tail ends when the mining drill flushing device is used, the chuck 28 adopts a two-layer clamping manner, thereby realizing the applicability of the mining drill flushing device when in use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A mining drill bit flushing device comprising a holding box (1), characterized in that: a clamping component (2) for positioning the mining drill bit is arranged in the placement box (1), a transmission component (3) for transmitting power to the clamping component (2) is arranged between the clamping component (2) and the placement box (1),

the transmission assembly (3) comprises a supporting frame (31) fixedly installed on one side wall of the placement box (1), a motor (32) is fixedly connected to the supporting frame (31), a spline shaft (33) is installed on an output shaft of the motor (32), a spline sleeve (34) rotationally connected to the placement box (1) is arranged on the outer side of the spline shaft (33), a gear II (35) is fixedly installed on the outer side of the spline sleeve (34), two symmetrical gears III (36) are connected to the outer side of the gear II (35) in a meshed mode, gears IV (37) are connected to the outer side of the gears III (36) in a meshed mode, a one-way screw rod (38) is installed in an installation shaft hole of the gears IV (37), two symmetrical guide rods (39) are fixedly installed in the placement box (1), a flushing assembly (4) for flushing a digging drill bit after placement is connected between the one-way screw rod (38) and the guide rods (39) on the same side,

the clamping assembly (2) comprises two symmetrical rotating frames (21) arranged in the placing box (1), one rotating frame (21) is connected with the other end of a spline housing (34), a plurality of fixed blocks (22) distributed in a ring-shaped array are arranged on the rotating frame (21), threaded rods (23) are rotationally connected to the fixed blocks (22), threaded sleeves (24) are spirally connected to the outer sides of the threaded rods (23), mounting seats (27) are fixedly arranged at the other ends of the threaded sleeves (24), clamping heads (28) are fixedly arranged on the mounting seats (27), the other ends of the threaded rods (23) extend to the outer sides of the fixed blocks (22) and are connected with a first gear (29), one toothed ring (210) is connected to the outer sides of the first gear (29) in a meshed mode, a reversing assembly (6) reversing the flushing assembly (4) is connected between the rotating frame (21) and a guide rod (39),

the flushing assembly (4) comprises a movable frame (41) which is spirally connected on a unidirectional screw rod (38), the bottom of the movable frame (41) is slidingly connected on a guide rod (39), two flushing pipes (42) with the same size are rotationally connected on the movable frame (41), a gear five (43) is arranged at the bottom end of each flushing pipe (42), a gear seven (48) is connected with the outer side of each gear five (43) in a meshed manner, two positioning seats (45) with L-shaped vertical sections are fixedly arranged on the movable frame (41), positioning grooves matched with the positioning seats (45) are formed in the gear one (44), two gears six (46) with the same size are connected at the bottom end of each gear one (44) in a meshed manner, a transmission shaft (47) is fixedly connected in each mounting shaft hole of each gear six (46), a gear seven (48) is arranged at the other end of each transmission shaft (47), a unidirectional bearing (49) is connected between each gear seven (48) and each transmission shaft (47),

the two sides of the movable frame (41) are fixedly provided with side blocks (410), the transmission shafts (47) are rotationally connected to the side blocks (410), the opposite sides of the side blocks (410) are provided with ejector rods (411), the length of each ejector rod (411) is consistent with the tooth length of the corresponding toothed rod II (63),

the reversing assembly (6) comprises a mounting frame (61) rotatably connected on the rotating frame (21), supporting legs (62) are arranged at two ends of the mounting frame (61),

the support legs (62) are all connected onto the guide rods (39) in a sliding mode, the second toothed rods (63) are fixedly connected to the outer sides of the support legs (62), and a pressing switch (64) is fixedly installed on one of the second toothed rods (63).

2. A mining drill bit flushing device as claimed in claim 1, wherein: the gear III (36) is rotationally connected to the placement box (1), and the unidirectional screw rods (38) are rotationally connected to the placement box (1).

3. A mining drill bit flushing device as claimed in claim 1, wherein: the telescopic outer rods (25) fixed on the fixed blocks (22) are arranged on two sides of the threaded rod (23), telescopic inner rods (26) are connected in a sliding mode in the telescopic outer rods (25), the other ends of the telescopic inner rods (26) are connected with the mounting seats (27), the toothed rings (210) are rotationally connected to the rotating frame (21), and a plurality of annular array-arranged grips (211) are arranged on the outer sides of the toothed rings (210).

4. A mining drill bit flushing device as claimed in claim 1, wherein: the cleaning device is characterized in that two cleaning assemblies (5) for cleaning the inner wall of the placing box (1) are arranged on the placing box (1), each cleaning assembly (5) comprises two water guide pipes (51) with the same size, the top ends of the two water guide pipes are fixed on the placing box (1), a plurality of cleaning rollers (52) with the same size are rotatably connected on the placing box (1), one end of each cleaning roller (52) is connected with a gear eight (53), one gear eight (53) is connected with a gear nine (54) in an outside meshing manner, and each gear nine (54) is arranged at the other end of each unidirectional screw (38).