CN112324341A

CN112324341A - Reaming device for underground coal mine geological exploration

Info

Publication number: CN112324341A
Application number: CN202011185470.1A
Authority: CN
Inventors: 高文强
Original assignee: Individual
Current assignee: Shandong Jiushang Directional Drilling Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-05
Anticipated expiration: 2040-10-30
Also published as: CN112324341B

Abstract

The invention discloses a hole enlarging device for underground coal mine geological exploration, which belongs to the technical field of hole enlarging devices and comprises a base, wherein a bearing support is fixedly arranged at the top of the base, an air cylinder is fixedly arranged at the top of the bearing support, and the bottom of a push rod penetrates through the top of the bearing support and is fixedly connected with the center of the top of an assembly seat; the reaming assembly comprises supports fixed on two sides of the bottom of the assembling base, the bottom of the sleeve rod is fixedly provided with a reaming barrel assembly, and the bottom of the reaming barrel assembly is fixedly provided with a drill bit.

Description

Reaming device for underground coal mine geological exploration

Technical Field

The invention relates to the technical field of hole expanding devices, in particular to a hole expanding device for underground coal mine geological exploration.

Background

When the coal layer is far away from the ground surface, coal is excavated to an underground excavation roadway, and the underground excavation roadway is a mineworker coal mine. When the coal seam is very close to the earth surface, the direct stripping of the earth surface soil layer is generally selected to excavate coal, which is an open pit coal mine, most coal mines in China belong to underground coal mines, the coal mine range comprises the ground, underground and large areas of related facilities, and the coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, and generally comprises a roadway, a well cave, an excavation surface and the like.

Along with the rapid development of coal mining, to the use of reaming device for underground coal mine geological exploration more and more, current reaming device drives the reaming head through drive arrangement and rotates and realize the reaming operation, because the reaming diameter demand of different positions department differs, this reaming head that just leads to the user of service to need frequent shut down to change looks adaptation, and then greatly reduced work efficiency, the manual labor intensity has been improved, simultaneously when reaming, the soil of part position department is harder, when underreaming, accelerate the quick wearing and tearing of reaming head to damage easily, and then greatly improved the cost of use, for this reason, we provide a reaming device for underground coal mine geological exploration.

Disclosure of Invention

The invention aims to provide a hole expanding device for underground coal mine geological exploration, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hole enlarging device for underground coal mine geological exploration comprises,

the top of the base is fixedly provided with a bearing support, the middle part of the base is vertically provided with an extending port in a penetrating manner, the top of the bearing support is fixedly provided with an air cylinder, the left side and the right side of the inner wall of the top of the bearing support are fixedly provided with guide rods, the bottoms of the guide rods are fixed with the top of the base, the tops of the outer walls of the two groups of guide rods are movably sleeved with guide sliders, an assembly seat is fixedly arranged between the two groups of guide sliders, the output end of the air cylinder is provided with a push rod, and the bottom of the push rod penetrates through the top of the bearing;

the reaming assembly comprises supports fixed on two sides of the bottom of the assembling base, wherein two sets of supports are fixedly provided with sleeves relative to one end, the sleeves are internally movably connected with the tops of the outer walls of the sleeve rods through bearings, the bottom of the sleeve rods is fixedly provided with a reaming barrel assembly, the bottom of the reaming barrel assembly is fixedly provided with a drill bit, and the reaming barrel assembly and the drill bit are both located in the extending through holes.

Further, the reaming cylinder component comprises a cylinder body fixedly connected with the bottom of the sleeve rod, the cylinder body is communicated with the sleeve rod, three groups of arc-shaped blocks are spliced in an annular array on the outer wall of the cylinder body, a plurality of groups of grooves are vertically formed in the outer walls of the three groups of arc-shaped blocks, a hollow block is fixedly arranged at the top of the bottom of each groove, spray holes are formed in the bottom of each hollow block, cutter teeth are uniformly and fixedly arranged at the bottom of each groove and below the corresponding hollow block from top to bottom, through holes matched with the arc-shaped blocks are formed in the outer wall of the cylinder body, positioning sliders are fixedly arranged in the middle of the top of each through hole and the inner wall of the bottom of each through hole, positioning chutes matched with the positioning sliders are formed in the top and the bottom of each arc-shaped block, the positioning sliders are positioned at one ends, far away from the, the inner walls of the left side and the right side of the port are symmetrically provided with sealing components with the same structure.

Further, seal assembly is including seting up the arc recess at the opening inner wall, and the fixed stress spring that is provided with of arc recess tank bottom, and stress spring's the other end is fixed and is provided with the connecting block, and the connecting block activity sets up in the arc recess, and stress spring's the fixed vertical sealing strip that is provided with and laminates with arc piece lateral part outer wall is kept away from to the connecting block one end, still be provided with in the barrel with three group arc piece complex adjusting part.

Furthermore, the adjusting assembly comprises an hollow rod inserted at the top of the sleeve rod, the top and the bottom of the hollow rod are both hollow, a thread section is arranged at the bottom of the outer wall of the hollow rod, an ejection block is sleeved on the thread section of the outer wall of the thread section and located between three groups of arc-shaped blocks, the ejection block is in a circular truncated cone shape, the three groups of arc-shaped blocks are fixedly provided with a U-shaped rod at the middle part of one side close to the circle center of the barrel body, a limiting roller is movably arranged in the U-shaped rod through a rotating shaft, a limiting roller groove matched with the limiting roller is vertically formed in the position, corresponding to the limiting roller, of the outer wall of the ejection block, and a water supply mechanism.

Furthermore, the water supply mechanism comprises a water tank fixed on the left side of the inner cavity of the assembly seat, a micropump is arranged on the inner wall of the bottom of the water tank, a water delivery pipe is arranged at the output end of the micropump, the other end of the water delivery pipe penetrates through the bottom of the right side of the water tank and is communicated with a shunting shell, the shunting shell is fixed in the middle of the inner wall of the top of the assembly seat, the top of the hollow rod movably penetrates through the bottom of the shunting shell and is communicated with the shunting shell, a first shunting cavity is arranged at the inner top of the drill bit, the bottom end of the hollow rod penetrates through the inner wall of the bottom of the barrel body and is communicated with the first shunting cavity, second shunting cavities are arranged in the three groups of arc blocks, water inlet holes communicated with the hollow blocks are formed in one sides of the second shunting cavities, which are far away from the center of the barrel body, corresponding to the hollow blocks, three groups of water inlet hoses are fixedly inserted into, the loop bar is also provided with a driving assembly.

Furthermore, the driving component comprises a first driven gear fixedly sleeved on the top of the outer wall of the loop bar and a second driven gear fixedly sleeved on the outer wall of the hollow bar and positioned above the loop bar, the diameter of the driven gear II is equal to that of the driven gear I, electric telescopic rods are fixedly arranged at the front end and the rear end of the right side of the inner wall of the top of the assembling seat, the bottoms of the front and rear electric telescopic rods are respectively and fixedly connected with the front and rear sides of the top of the connecting plate, the right side of the bottom of the assembling seat is provided with a movable opening matched with the connecting plate, the middle part of the top of the connecting plate is provided with a linkage fixing component matched with the driven gear I, the bottom of the connecting plate is fixedly provided with a driving motor, the output end of the driving motor is provided with a driving gear matched with the first driven gear and the second driven gear, the driving gear is meshed with the driven gear, and a movable through opening matched with the driving gear is formed in the right side support.

Further, the linkage fixing component comprises a transverse rod, a middle rod is arranged in the middle of the transverse rod, the bottom of the middle rod is fixed with the inner wall of the bottom of the assembling seat, the top of the middle rod is provided with a notch, the inner walls of the front side and the rear side of the notch are respectively movably connected with the middle parts of the front side and the rear side of the transverse rod through rotating pins, the left side and the right side of the transverse rod are respectively provided with a waist hole in a front-back penetrating way, and the left and right waist holes are movably provided with movable pins, the left movable pin is fixed with the front top of the connecting guide rod, the rear movable pin is fixed with the front top of the connecting column, and the bottom of the connecting column is fixed with the middle part of the top of the connecting plate, the connecting guide rod is positioned in front of the hollow rod and the driven gear II, the bottom of the connecting guide rod penetrates through the bottom of the assembling seat, a bump is fixedly arranged at the bottom of the outer wall of the rear side of the connecting guide rod, a fixed inserting rod is fixedly arranged at the bottom of the bump, and jacks matched with the fixed inserting rod are formed in the driven gear I in an annular array mode.

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

1) the invention is provided with a reaming barrel assembly which is matched with a driving assembly and an adjusting assembly, a driving gear is driven by a driving motor, a driven gear II is driven by the driving gear, and a hollow rod is further rotated by the driving gear, an ejection block is downwards in a barrel body by the hollow rod through a thread section of the outer wall of the hollow rod, when the ejection block is downwards, three groups of arc blocks are synchronously outwards moved through a limiting pulley groove and a limiting pulley to adjust the reaming diameter, a user does not need to frequently stop the machine to replace a reaming head, on one hand, the working efficiency is greatly improved, on the other hand, the labor intensity is greatly reduced, meanwhile, a sealing assembly is also arranged for matching, when the arc blocks outwards move, gaps are generated between the side walls of the arc blocks and a through hole, at the moment, a stress spring automatically drives a sealing strip to contact the side walls of the arc blocks to seal the through, the stability in use is ensured;

2) the invention is provided with a water supply mechanism which is matched with a reaming barrel assembly, during reaming, a micropump injects water in a water tank into a diversion shell through a water delivery pipe, the water in the diversion shell enters a hollow rod and then enters a diversion cavity I, the water entering the diversion cavity I enters a diversion cavity II through a water inlet hose, the water entering the diversion cavity II enters each hollow block through a water inlet hole and is sprayed out from spray holes at the bottom of the hollow block, under the action of rotation of the reaming barrel assembly, the sprayed water is thrown outwards due to the action of centrifugal force, so that soil at the reaming hole is wetted during reaming, the barrel assembly is better reamed through cutter teeth, the damage of the cutter teeth is also reduced, simultaneously, after reaming is finished, a driving motor is turned off, a sleeve rod stops rotating, at the moment, the water sprayed out from the spray holes below the hollow block is sprayed downwards to flush a groove, therefore, the mud and the like remained on the cutter teeth are flushed downwards, the burden of manual subsequent cleaning is reduced, and the safety of the subsequent cleaning is improved;

3) the invention is also provided with a driving component, a user can select a driving motor to drive a driving gear to carry out reaming diameter adjustment operation or reaming operation according to needs, when the reaming diameter adjustment operation is carried out, the connecting plate is driven to move upwards by driving the electric telescopic rod, the connecting plate moves upwards to drive the driving motor and the driving gear to move upwards until the driving gear is meshed with the driven gear, then when the reaming operation is carried out, the connecting plate is driven to move downwards by driving the electric telescopic rod, the connecting plate moves downwards to drive the driving motor and the driving gear to move downwards until the driving gear is meshed with the driven gear, on one hand, the use cost is greatly reduced, the weight of the device is reduced, the device is convenient to carry, on the other hand, the device is more convenient to operate and control by people, meanwhile, a linkage fixing component is, the spliced pole makes progress, according to keeping away from of lever, and then the right-hand member of transverse bar makes progress, and the left end is downward, and then makes the connecting guide pole drive fixed inserted bar and fix driven gear in getting into the jack on the driven gear one downwards to make the loop bar fixed, can not receive loop bar pivoted interference when making hollow rod rotate.

Drawings

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

FIG. 2 is a top view of the reamer assembly of the present invention;

FIG. 3 is a cross-sectional view of the construction of the reamer assembly of the present invention;

fig. 4 is a schematic structural view of the water supply mechanism of the present invention.

In the figure: 1. a base; 2. a receiving bracket; 3. extending out of the through opening; 4. a cylinder; 5. a guide bar; 6. a guide slider; 7. assembling a seat; 8. a reaming assembly; 81. a loop bar; 82. a reamer assembly; 821. a barrel; 822. an arc-shaped block; 823. a hollow block; 824. cutter teeth; 825. positioning the sliding block; 826. a return spring; 827. a seal assembly; 8271. an arc-shaped groove; 8272. a stress spring; 8273. a sealing strip; 828. a groove; 829. an adjustment assembly; 8291. a hollow shaft; 8292. ejecting a block; 8293. limiting the idler wheel; 8294. a water supply mechanism; 82941. a water tank; 82942. a shunt shell; 82943. a first shunting cavity; 82944. a second shunting cavity; 82945. a drive assembly; 829451, a driven gear I; 829452, a drive gear; 829453, a drive motor; 829454, a driven gear II; 829455, an electric telescopic rod; 829456, a linkage fixing component; 8294561, a transverse bar; 8294562, a middle rod; 8294563, fixing the inserted bar; 83. a drill bit.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

Please refer to the figure, the invention provides a hole enlarging device for underground coal mine geological exploration, wherein electrical components in the invention are all connected with an external power supply through wires, the hole enlarging device comprises a base 1, a bearing bracket 2 is fixedly arranged at the top of the base 1, an extending through hole 3 is formed in the middle of the base 1 in a vertically penetrating manner, a cylinder 4 is fixedly arranged at the top of the bearing bracket 2, guide rods 5 are fixedly arranged at the left side and the right side of the inner wall at the top of the bearing bracket 2, scale marks are further arranged at the front side of the guide rods 5, the hole enlarging depth can be conveniently controlled by a user, the bottom of each guide rod 5 is fixed with the top of the base 1, guide sliders 6 are movably sleeved at the tops of the outer walls of the two groups of guide rods 5, an assembling seat 7 is fixedly arranged between the two groups of guide sliders 6;

referring to fig. 1 and 4, the reaming assembly 8 includes two brackets fixed on two sides of the bottom of the mounting seat 7, the vertical cross-section of the brackets is L-shaped, and two opposite ends of the two brackets are fixedly provided with sleeves, and the sleeves are movably connected with the top of the outer wall of the sleeve rod 81 through bearings, so that the sleeve rod 81 can rotate and cannot move up and down, the bottom of the sleeve rod 81 is fixedly provided with a reaming barrel assembly 82, the bottom of the reaming barrel assembly 82 is fixedly provided with a drill bit 83, the drill bit 83 is convenient for reaming, and both the reaming barrel assembly 82 and the drill bit 83 are located in the extending port 3.

Referring to fig. 2 and 3, the reaming barrel assembly 82 includes a barrel 821 fixedly connected to the bottom of the sleeve 81, the barrel 821 is hollow at the top, the barrel 821 is communicated with the sleeve 81, three sets of arc blocks 822 are inserted into an annular array on the outer wall of the barrel 821, the arc blocks 822 are used for changing the diameter of reaming, the outer walls of the three sets of arc blocks 822 are vertically provided with a plurality of sets of grooves 828, the top and the bottom of the grooves 828 respectively penetrate through the top and the bottom of the arc blocks 822, a hollow block 823 is fixedly arranged at the top of the bottom of the groove 828, the outer side of the hollow block 823 is in the same plane as the outer side of the arc block 822, the bottom of the hollow block 823 is provided with spray holes (not shown in the figure), cutter teeth 824 are uniformly and fixedly arranged at the bottom of the groove 828 and below the hollow block 823 from top to bottom, the outer ends of the cutter teeth, the outer wall of the cylinder 821 is provided with a through hole matched with the arc-shaped block 822, the arc-shaped block 822 is convenient to enter and exit, the middle parts of the top inner wall and the bottom inner wall of the through hole are fixedly provided with positioning sliding blocks 825, the top part and the bottom part of the arc-shaped block 822 are provided with positioning sliding grooves matched with the positioning sliding blocks 825, the positioning sliding blocks 825 are positioned at one ends, far away from the circle center of the cylinder 821, in the positioning sliding grooves, the outer wall of one side, close to the circle center of the cylinder 821, of the positioning sliding blocks 825 is fixedly connected with the inner wall of one side, close to the circle center of the cylinder 821, of the positioning sliding grooves through a reset spring 826, when the push-;

referring to fig. 2, the sealing assembly 827 includes an arc groove 8271 formed in an inner wall of the through port, the arc groove 8271 is located at an outer end of the inner wall of the through port, a stress spring 8272 is fixedly arranged at a bottom of the arc groove 8271, the stress spring 8272 enables the sealing strip 8273 to always contact with an outer wall of a side portion of the arc block 822, a connecting block is fixedly arranged at the other end of the stress spring 8272, the connecting block can move in the arc groove 8271 and is movably arranged in the arc groove 8271, a vertical sealing strip 8273 attached to the outer wall of the side portion of the arc block 822 is fixedly arranged at one end of the connecting block far away from the stress spring 8272, the sealing strip 8273 can be made of a rubber material with good wear resistance, and an adjusting assembly 829;

referring to fig. 3 and 4, the adjusting assembly 829 includes a hollow rod 8291 inserted into the top of the sleeve rod 81, a bearing is disposed at the connection between the hollow rod 8291 and the sleeve rod 81, the top and bottom of the hollow rod 8291 are both hollow for facilitating the flow of water, a threaded section is disposed at the bottom of the outer wall of the hollow rod 8291 for driving the ejecting block 8292 to move, the threaded section is sleeved with the ejecting block 8292, the ejecting block 8292 is located between the three sets of arc blocks 822, the ejecting block 8292 is in a truncated cone shape, the ejecting block 8292 is matched with the limiting roller 8293 by the bevel edge of the outer wall, a U-shaped rod is fixedly disposed at the middle of one side of the three sets of arc blocks 822 near the center of the cylinder 821, the limiting roller 8293 is movably disposed in the U-shaped rod through a rotating shaft, limiting roller slots (not shown in the figure) matched with the limiting roller 8293 are disposed at the positions of the outer wall of the ejecting block 8292 corresponding to the limiting roller 8293, the, the sleeve rod 81 is also fixed, when the hollow rod 8291 rotates, the ejection block 8292 does not rotate along with the hollow rod 8291, but only moves up and down, while the hollow rod 8291 rotates along with the sleeve rod 81 without affecting the device, and the top of the hollow rod 8291 penetrates through the middle of the bottom of the assembly seat 7 and is connected with a water supply mechanism 8294;

referring to fig. 3 and 4, the water supply mechanism 8294 includes a water tank 82941 fixed on the left side of the inner cavity of the assembly seat 7, a water feeding pipe is further disposed on one side of the water tank 82941, a sealing plug is detachably disposed at the pipe orifice of the water feeding pipe, a micro pump (not shown) is disposed on the inner wall of the bottom of the water tank 82941, a water pipe is disposed at the output end of the micro pump, the other end of the water pipe penetrates the bottom of the right side of the water tank 82941 and is communicated with a diversion shell 82942, the diversion shell 82942 is fixed in the middle of the inner wall of the top of the assembly seat 7, the top of the hollow rod 8291 movably penetrates the bottom of the diversion shell 82942 and is communicated with the diversion shell 82942, a bearing and a bearing sealing ring are disposed at the connection between the hollow rod 8291 and the diversion shell 82942, the hollow rod 8291 is prevented from moving up and down while rotating, a diversion chamber 82943 is disposed at the top of the drill 83, the bottom end, one side of the second distribution cavity 82944, which is far away from the center of the cylinder 821, of the hollow block 823 is provided with a water inlet hole communicated with the hollow block 823 at a position corresponding to the hollow block 823, one side of the hollow block 823, which is close to the water inlet hole, is provided with an opening, so that water in the second distribution cavity 82944 can conveniently enter the hollow block 823 through the water inlet hole, three groups of water inlet hoses communicated with the second distribution cavity 82944 are fixedly inserted into the annular array of the inner wall of the bottom of the cylinder 821, which are convenient to move along with the arc-shaped block 822, the other ends of the three groups of water inlet hoses respectively penetrate through the bottom of one side of the three groups of arc-shaped blocks 822, which is close to the center of the cylinder 821, and are communicated with the second distribution cavity 829;

referring to fig. 1 and 4, the driving assembly 82945 includes a first driven gear 829451 fixedly sleeved on the top of the outer wall of the sleeve rod 81, a second driven gear 829454 fixedly sleeved on the outer wall of the hollow rod 8291 and located above the sleeve rod 81, the first driven gear 829451 is located in the two brackets, the second driven gear 829454 is located below the assembly seat 7, the diameter of the second driven gear 829454 is equal to the diameter of the first driven gear 829451, front and rear ends of the right side of the inner wall of the top of the assembly seat 7 are fixedly provided with electric telescopic rods 829455, bottoms of the front and rear electric telescopic rods 829455 are respectively fixedly connected with the front and rear sides of the top of the connecting plate, the right side of the bottom of the assembly seat 7 is provided with a movable port matched with the connecting plate, the middle of the top of the connecting plate is provided with a linkage fixing assembly 829456 matched with the first driven gear 829451, the bottom of the connecting plate is fixedly provided with a driving motor 829453, an output end of the, the driving gear 829452 is meshed with the first driven gear 829451, the driving gear 829452 can be meshed with the first driven gear 829451 or meshed with the second driven gear 829454, and a movable through hole matched with the driving gear 829452 is formed in the right side support, so that the driving gear 829452 can move upwards or downwards conveniently;

referring to fig. 1 and 4, the linkage fixing assembly 829456 includes a transverse rod 8294561, a middle rod 8294562 is disposed in the middle of the transverse rod 8294561, the bottom of the middle rod 8294562 is fixed to the inner wall of the bottom of the assembly seat 7, a notch is disposed at the top of the middle rod 8294562, the front and rear inner walls of the notch are movably connected to the middle of the front and rear sides of the transverse rod 8294561 via rotation pins, similar to a lever, the middle rod 8294562 is a fulcrum, the left and right sides of the transverse rod 8294561 are both provided with waist holes through which movable pins are movably disposed, the movable pins can move in the waist holes, the left movable pin is fixed to the top of the front side of the connecting rod, the rear movable pin is fixed to the top of the connecting rod, the bottom of the connecting rod is fixed to the middle of the top of the connecting plate, the connecting rod is located in front of the hollow rod 8291 and the driven gear 829454, the bottom of the connecting rod passes through the bottom of the assembly seat 7, and the, the bottom of the outer wall of the rear side of the connecting guide rod is fixedly provided with a bump (not shown in the figure), the bottom of the bump is fixedly provided with a fixed inserted link 8294563, the driven gear I829451 is provided with a ring array of jacks (not shown in the figure) matched with the fixed inserted link 8294563, and the fixed inserted link 8294563 downwards enters the jacks on the driven gear I829451 to fix the driven gear I829451, so that the loop bar 81 is fixed, and the hollow bar 8291 cannot be interfered by the rotation of the loop bar 81 when rotating.

A use method of a reaming device for underground coal mine geological exploration comprises the following steps:

s1: when the device is used, the device can be placed at a designated position, the position extending out of the through hole 3 corresponds to a position to be reamed, the diameter of the reaming is adjusted as required, the electric telescopic rod 829455 is driven to drive the connecting plate to move upwards, the connecting plate moves upwards to drive the driving motor 829453 and the driving gear 829452 to move upwards until the driving gear 829452 is meshed with the driven gear II 829454, when the connecting plate moves upwards, the connecting rod is driven to move upwards, the connecting rod moves upwards, the right end of the transverse rod 8294561 moves upwards and the left end of the transverse rod 8294561 moves downwards according to the distance of a lever, and the connecting guide rod drives the fixed inserted rod 8294563 to move downwards into the jack on the driven gear I829451 to fix the driven gear I829451, so that the loop bar 81 is fixed, the hollow bar 8291 cannot be interfered by the rotation of the loop bar 81 when;

s2: the driving motor 829453 drives the driving gear 829452, the driving gear 829452 drives the driven gear two 829454 to rotate the hollow rod 8291, the hollow rod 8291 makes the ejecting block 8292 downward in the cylinder 821 through the thread section of its outer wall, when the ejecting block 8292 downward, and then make three sets of arc blocks 822 move outward synchronously through the spacing pulley groove and the spacing pulley to adjust the diameter of the enlarged bore, when the arc block 822 moves, the positioning slide block 825 moves in the positioning slide groove to squeeze the reset spring 826, meanwhile, when the arc block 822 moves outward, the side wall of the arc block 822 and the through hole can generate a gap, at this time, the stress spring 8272 automatically drives the sealing strip 8273 to contact the side wall of the arc block 822 to seal the position, after adjusting the diameter of the enlarged bore, the driving motor 829453 is closed;

s3: then, the electric telescopic rod 829455 is driven to drive the connecting plate to move downwards, the connecting plate moves downwards to drive the driving motor 829453 and the driving gear 829452 to move downwards until the driving gear 829452 is meshed with the first driven gear 829451, at the moment, the fixed inserting rod 8294563 is separated from the inserting hole, the driving motor 829453 is driven, the driving motor 829453 drives the driving gear 829452, the driving gear 829452 drives the first driven gear 829451 to further rotate the sleeve rod 81, the sleeve rod 81 rotates to drive the reaming barrel assembly 82 and the drill bit 83 to rotate, according to the required reaming depth, the driving cylinder 4 drives the push rod to enable the assembling seat 7 to slide downwards on the outer wall of the guide rod 5 through the guide sliding block 6, the scale mark on the guide rod 5 is observed, and when the guide sliding block 6 moves to;

s4: in the process of reaming, the micropump is turned on simultaneously, the micropump injects water in the water tank 82941 into the diversion shell 82942 through the water pipe, the water in the diversion shell 82942 enters the hollow rod 8291 and then enters the diversion cavity I82943, the water entering the diversion cavity I82943 enters the diversion cavity II 82944 through the water inlet hose, the water entering the diversion cavity II 82944 enters each hollow block 823 through the water inlet hole and is sprayed out from the spray holes at the bottom of the hollow block, under the action of the rotation of the reaming barrel assembly 82, the sprayed water is thrown outwards due to the action of centrifugal force, so that soil at the reaming hole is wetted during reaming, thereby allowing the reamer assembly 82 to be better reamed by the cutter teeth 824, while after reaming is complete, the driving motor 829453 is turned off, the loop bar 81 stops rotating, at this time, the water sprayed from the spray hole under the hollow block 823 sprays downwards, the flutes 828 are flushed so that dirt and the like remaining on the cutter teeth 824 are flushed out downward.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

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.

Claims

1. The utility model provides a reaming device for underground coal mine geological exploration which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the device comprises a base (1), wherein a supporting bracket (2) is fixedly arranged at the top of the base (1), an extending through hole (3) is formed in the middle of the base (1) in a vertically penetrating mode, an air cylinder (4) is fixedly arranged at the top of the supporting bracket (2), guide rods (5) are fixedly arranged on the left side and the right side of the inner wall of the top of the supporting bracket (2), the bottoms of the guide rods (5) are fixed with the top of the base (1), guide sliders (6) are movably sleeved at the tops of the outer walls of the two groups of guide rods (5), an assembling seat (7) is fixedly arranged between the two groups of guide sliders (6), a push rod is arranged at the output end of the air cylinder (4), and the bottom of the push rod penetrates through the top;

reaming subassembly (8), including fixing the support in assembly seat (7) bottom middle part both sides, and the relative one end of two sets of supports is fixed and is provided with the sleeve, and through bearing and loop bar (81) outer wall top swing joint in the sleeve, the fixed reaming section of thick bamboo subassembly (82) that is provided with in bottom of loop bar (81), reaming section of thick bamboo subassembly (82) bottom is fixed and is provided with drill bit (83), reaming section of thick bamboo subassembly (82) and drill bit (83) all are in stretching out in opening (3).

2. A reaming device for underground coal mine geological exploration according to claim 1, characterized in that: the reaming barrel assembly (82) comprises a barrel body (821) fixedly connected with the bottom of a sleeve rod (81), the barrel body (821) is communicated with the sleeve rod (81), three groups of arc-shaped blocks (822) are inserted into an annular array on the outer wall of the barrel body (821), the outer wall of each arc-shaped block (822) is vertically provided with a plurality of groups of grooves (828), the top of the bottom of each groove (828) is fixedly provided with a hollow block (823), the bottom of each hollow block (823) is provided with a spray hole, the bottom of each groove (828) is uniformly and fixedly provided with cutter teeth (824) from top to bottom at the position below the corresponding hollow block (823), the outer wall of the barrel body (821) is provided with a through hole matched with the arc-shaped block (822), the middle parts of the top of the through hole and the inner wall of the bottom are fixedly provided with positioning sliding blocks (825), and the top and the, and location slider (825) are in the one end of keeping away from barrel (821) centre of a circle in the spout of fixing a position, one side outer wall that location slider (825) are close to the barrel (821) centre of a circle passes through reset spring (826) and the one side inner wall fixed connection that the spout is close to barrel (821) centre of a circle, and the left and right sides inner wall symmetry of opening is provided with the same seal assembly (827) of structure.

3. A reaming device for underground coal mine geological exploration according to claim 2, characterized in that: sealing component (827) is including seting up arc recess (8271) at the opening inner wall, and arc recess (8271) tank bottom is fixed and is provided with stress spring (8272), and the fixed connecting block that is provided with of the other end of stress spring (8272), and the connecting block activity sets up in arc recess (8271), and the connecting block is kept away from the fixed vertical sealing strip (8273) that is provided with the laminating of arc piece (822) lateral part outer wall of the one end of stress spring (8272), still be provided with in barrel (821) with three sets of arc piece (822) complex adjusting part (829).

4. A reaming device for underground coal mine geological exploration according to claim 3, characterized in that: adjusting part (829) is including pegging graft hollow rod (8291) at loop bar (81) top, hollow rod (8291) top and bottom are cavity setting, hollow rod (8291) outer wall bottom is provided with the screw thread section, and screw thread section outer wall screw thread cover is equipped with ejecting piece (8292), and ejecting piece (8292) are located between three sets of arc pieces (822), ejecting piece (8292) are round platform shape, three sets of arc piece (822) are close to one side middle part of barrel (821) centre of a circle and are fixed and are provided with the U-shaped pole, and are provided with spacing gyro wheel (8293) through the pivot activity in the U-shaped pole, spacing gyro wheel groove that matches with spacing gyro wheel (8293) is all vertically seted up to the position that ejecting piece (8292) outer wall corresponds spacing gyro wheel (8293), the top of hollow rod (8291) is run through assembly seat (7) bottom middle part and is connected with water supply mechanism (8294).

5. A reaming device for underground coal mine geological exploration according to claim 4, characterized in that: the water supply mechanism (8294) comprises a water tank (82941) fixed on the left side of an inner cavity of the assembly seat (7), a micro pump is arranged on the inner wall of the bottom of the water tank (82941), a water delivery pipe is arranged at the output end of the micro pump, the other end of the water delivery pipe penetrates through the bottom of the right side of the water tank (82941) and is communicated with a shunt shell (82942), the shunt shell (82942) is fixed in the middle of the inner wall of the top of the assembly seat (7), the top of the hollow rod (8291) movably penetrates through the bottom of the shunt shell (82942) and is communicated with the shunt shell (82942), a shunt cavity I (82943) is arranged at the inner top of the drill bit (83), the bottom end of the hollow rod (8291) penetrates through the inner wall of the bottom of the cylinder body (821) and is communicated with a shunt cavity I (82943), three groups of arc-shaped blocks (822) are respectively provided with a shunt cavity II (82944), one side of the shunt cavity II (82944) far away, three groups of water inlet hoses communicated with the second shunting cavity (82944) are fixedly inserted into the annular array of the inner wall of the bottom of the cylinder body (821), the other ends of the three groups of water inlet hoses penetrate through the bottom of one side, close to the circle center of the cylinder body (821), of the three groups of arc-shaped blocks (822) respectively and are communicated with the second shunting cavity (82944), and a driving assembly (82945) is further arranged on the loop bar (81).

6. A reaming device for underground coal mine geological exploration according to claim 5, characterized in that: the driving assembly (82945) comprises a first driven gear (829451) fixedly sleeved on the top of the outer wall of the loop bar (81) and a second driven gear (829454) fixedly sleeved on the outer wall of the hollow bar (8291) and positioned above the loop bar (81), the diameter of the second driven gear (829454) is equal to that of the first driven gear (829451), the front end and the rear end of the right side of the inner wall of the top of the assembly seat (7) are fixedly provided with electric telescopic rods (829455), the bottoms of the front electric telescopic rods and the rear electric telescopic rods (829455) are respectively fixedly connected with the front side and the rear side of the top of the connecting plate, the right side of the bottom of the assembly seat (7) is provided with a movable port matched with the connecting plate, the middle part of the top of the connecting plate is provided with a linkage fixing assembly (829456) matched with the first driven gear (829451), the bottom of the connecting plate is fixedly provided with a driving motor (829453), the output end of the driving motor (829453), the driving gear (829452) is meshed with the driven gear I (829451), and a movable through hole matched with the driving gear (829452) is formed in the right side support.

7. A reaming device for underground coal mine geological exploration according to claim 6, characterized in that: the linkage fixing component (829456) comprises a transverse rod (8294561), a middle rod (8294562) is arranged in the middle of the transverse rod (8294561), the bottom of the middle rod (8294562) is fixed with the inner wall at the bottom of the assembly seat (7), a notch is formed in the top of the middle rod (8294562), the inner walls at the front side and the rear side of the notch are movably connected with the middle parts at the front side and the rear side of the transverse rod (8294561) through rotating pins respectively, waist holes are formed in the front side and the rear side of the transverse rod (8294561) in a penetrating mode, movable pins are movably arranged in the waist holes at the left side and the right side, the movable pin at the left side is fixed with the top part at the front side of a connecting rod, the movable pin at the rear side is fixed with the top part at the front side of the connecting rod, the connecting rod is located in front of a hollow rod (8291) and a driven gear II (829454), the bottom of the connecting rod penetrates, the bottom of the bump is fixedly provided with a fixed inserted bar (8294563), and the driven gear I (829451) is provided with jacks in an annular array which are matched with the fixed inserted bar (8294563).