CN220726203U - Coal seam coring drill rod - Google Patents

Abstract

The application discloses a coal seam coring drilling rod relates to coal seam coring technical field, a coal seam coring drilling rod, including getting the core bar, core bit is installed to coring bar lower extreme, and the cover is equipped with the drilling rod on getting the core bar, fixedly connected with reaming pipe on the drilling rod, has seted up the screw thread groove on the reaming pipe, and the drill bit is installed to the drilling rod lower extreme, and drilling rod upper end threaded connection has the connecting rod, and the connecting rod tip is provided with protective structure. When the coring device is used, the coring rod is placed into the drill rod, the drill rod is connected with the upper drill to drive the drill bit to drill normally, when the designated depth is drilled to begin coring, the splashing of muddy water during coring is reduced, the influence of the splashing muddy water on nearby staff is reduced, and then the influence on coring is reduced.

Description

Coal seam coring drill rod

Technical Field

The application relates to the technical field of coal seam coring, in particular to a coal seam coring drill rod.

Background

The core of the coal seam is one of the means commonly applied to mining exploration and geological exploration, and the main purpose of the core sample is to obtain core samples in the underground hydrogeological exploration, and through analysis of the core samples, the underground hydrogeological structure and geological conditions are known, so that scientific basis is provided for reasonable development of mines, and a coal seam core drill rod is needed in the drilling process.

One type of coal seam coring drill pipe disclosed in the prior China publication (issued bulletin number: CN 214145395U) comprises a core taking pipe, a sliding part, a drill bit and a connecting pipe; the core taking pipe is a hollow pipe fitting with an opening at one end, a core taking groove is arranged at one end, far away from the opening, of the core taking pipe, a guide rail is arranged on the core taking groove, an annular bulge is arranged at one end, close to the opening, of the core taking pipe, an external thread is arranged on the outer wall of the annular bulge, and an internal thread is arranged on the inner wall of the annular bulge; the sliding piece is provided with a groove which is in sliding fit with the guide rail; the drill bit is a pipe fitting with two open ends, an annular groove is arranged in the drill bit, a first thread is arranged at the position, close to the outer wall of the drill bit, of the annular groove, a second thread is arranged at the position, close to the inner wall of the drill bit, of the annular groove, the first thread is in threaded fit with the external thread, and the second thread is in threaded fit with the internal thread; the drill bit is provided with cutting blocks and cutting teeth which are annularly arranged, and the cutting teeth are positioned on the inner side of the cutting blocks; the connecting pipe is arranged at one end of the core taking pipe far away from the opening. The utility model is convenient for coring and has high drilling efficiency.

When the existing drill rod drills, in order to avoid the situation that friction with soil, rock and the like is overheated when a drill bit drills, the damage risk is increased, a large amount of water is added to dissipate heat, the temperature of the drill bit is reduced, however, when a worker places a fisher and a coring rod downwards, the weight of the fisher and the coring rod can increase the descending speed, so that muddy water splashes out, the splashed muddy water can fall on the surface of the drill rod to be inconvenient to clean, and the nearby worker can be sputtered to further influence coring.

Disclosure of Invention

The purpose of the present application is: in order to solve the problem that muddy water splashes when putting forward coring in the above-mentioned background art, the application provides a coal seam coring drilling rod.

The application specifically adopts the following technical scheme for realizing the purposes:

the utility model provides a coal seam coring drilling rod, is including getting the core bar, coring head is installed to coring bar lower extreme, it is equipped with the drilling rod to get the cover on the core bar, fixedly connected with reaming pipe on the drilling rod, the screw thread groove has been seted up on the reaming pipe, the drill bit is installed to the drilling rod lower extreme, drilling rod upper end threaded connection has the connecting rod, the connecting rod tip is provided with protective structure.

Through adopting above-mentioned technical scheme, drilling machine drives the drill bit and creep into normally on the drilling rod connection, and when boring to appointed degree of depth and begin coring, utilize protective structure, reduce the splash of muddy water when coring, reduce the muddy water that splashes to nearby staff's influence, and then reduce the influence when coring.

Further, the protection structure comprises a first sleeve pipe which is sleeved on the connecting rod in a sliding mode, the lower end of the first sleeve pipe is symmetrically provided with a protection groove, a second sleeve pipe is sleeved on the first sleeve pipe in a sliding mode, a horn mouth is fixed at the two end portions of the first sleeve pipe, a fixing groove is formed in the first sleeve pipe, inclined blocks are fixed in the fixing groove and distributed in a linear array mode, and fixing assemblies are arranged on the two side faces of the first sleeve pipe.

Through adopting above-mentioned technical scheme, through fixed subassembly, make sleeve pipe two slide on sleeve pipe one, reduce the splash of muddy water when coring, reduce the influence to nearby staff.

Further, the fixed subassembly is including fixing the slip sleeve pipe at sleeve pipe two sides, slip in the slip sleeve pipe is provided with the slip post, slip post tip is fixed with the spring, slip post one end and slip sleeve pipe fixed connection are kept away from to the spring, be fixed with the sliding strip on the slip post, the sliding strip slides and runs through the slip sleeve pipe, slip post and sleeve pipe two slip setting just stretch into inside the fixed slot.

Through adopting above-mentioned technical scheme, move the slip post through pulling the slip strip and remove, make the spring compression, the slip post is not contradicting the sloping block, and adjusting sleeve II removes, is convenient for adjust, reduces the splash of muddy water when coring, reduces the influence of muddy water to nearby staff that splashes.

Further, the end part of the sliding column is arc-shaped, and the side surface of the inclined block is a smooth surface.

Through adopting above-mentioned technical scheme, draw up sleeve pipe two, the slip post slides on the sloping block, the operation of staff of being convenient for.

Further, the first sleeve is provided with a fixed ring in a sliding manner, the first sleeve is connected with the connecting rod through the fixed ring, two ends of the fixed ring are connected through screws, and the second sleeve is provided with a drainage assembly.

Through adopting above-mentioned technical scheme, through twisting the screw, make the protection groove form fix on the connecting rod, the installation of the staff of being convenient for is dismantled.

Further, the drainage assembly comprises a drainage box fixed on a second sleeve, a drainage hole is formed in the second sleeve and located in the drainage box, and a drainage pipe is fixedly connected to the side face of the drainage box.

By adopting the technical scheme, water overflowed during coring is discharged through the drain pipe, so that the splashing of muddy water is reduced.

Further, a filter screen is arranged in the drainage box, the end part of the filter screen is fixedly connected with a cover plate, and a fixing piece is arranged between the cover plate and the drainage box.

By adopting the technical scheme, sand and stone in muddy water are filtered, and the waste of water is reduced.

Further, the mounting is including fixing the fixed column in the drain tank side, rotate on the fixed column and be connected with fixed shell fragment, fixed shell fragment keeps away from fixed column one end and is fixed with the fixed strip, set up the fixed orifices with the fixed strip adaptation on the apron, the apron is inconsistent with the drain tank.

Through adopting above-mentioned technical scheme, through the elasticity of fixed shell fragment to fixed strip application of force, make the fixed strip be located the fixed orifices, make apron conflict drainage tank, realize the fixed to the apron, the staff of being convenient for tear the clearance down to the filter screen.

By adopting the technical proposal, the utility model has the advantages that,

in summary, the present application includes at least one of the following benefits;

1. the utility model discloses a, when coring, through fixing sleeve pipe one on the connecting pipe, the second upward movement of back pulling sleeve pipe, sleeve pipe two remove and drive the slip post and remove, contradict the sloping block when the slip post removes, the slip post removes and makes the spring, adjusts suitable position and stops, reduces the muddy water when the fisher is put into or the pole of coring is put into and splashes, reduces muddy water and falls into the drilling rod in the vicinity and be inconvenient for cleaning, reduces muddy water and splashes the influence to nearby staff, reduces the influence to coring.

2. This application, when the fisher is lifted to the below, splash or overflow water in with the connecting rod, flow into the drain box through the apopore on the sleeve pipe two, the water that flows out is filtered through the filter screen, and the granule such as grit, piece wherein is stopped by the filter screen, flows from the drain pipe, can collect the reutilization with the water that flows out, reduces the waste of water resource.

Drawings

FIG. 1 is a schematic perspective view of a first coal seam coring drill pipe of the present application;

FIG. 2 is a schematic view of a second perspective structure of the coal seam coring drill pipe of the present application;

FIG. 3 is an internal schematic view of a coal layer coring drill pipe of the present application;

FIG. 4 is an enlarged schematic view of FIG. 1A of the present application;

FIG. 5 is a schematic view of a filter assembly of the present application;

FIG. 6 is an enlarged schematic view of FIG. 1B of the present application;

fig. 7 is a schematic view of a first sleeve of the present application.

Reference numerals illustrate:

1. taking a core bar; 2. a coring head; 3. a drill rod; 4. a hole expanding tube; 5. a drill bit; 6. a first sleeve; 7. a second sleeve; 8. a fixing groove; 9. a sloping block; 10. sliding the sleeve; 11. a spring; 12. a sliding column; 13. a sliding bar; 14. a horn mouth; 15. fixing the circular ring; 16. a screw; 17. a cover plate; 18. a drain tank; 19. fixing the column; 20. a fixed spring plate; 21. a fixing strip; 22. a filter screen; 23. a drain pipe; 24. and (5) connecting a rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a coal seam coring drill rod.

Referring to fig. 1, a coal seam coring drill rod 3, including taking core bar 1, coring head 2 is installed to coring bar 1 lower extreme, takes core bar 1 to go up the cover and is equipped with drilling rod 3, and fixedly connected with reaming pipe 4 on the drilling rod 3, the last thread groove of seting up of reaming pipe 4, drilling rod 3 lower extreme installs drill bit 5, and drilling rod 3 upper end threaded connection has connecting rod 24, and the one end that connecting rod 24 kept away from drilling rod 3 is provided with protective structure.

When the core rod 1 is used, the core rod 3 is placed into the drill rod 3, the drill rod 3 is connected with the upper drill to drive the drill bit 5 to drill normally, when the core is started to a designated depth, the protection structure is utilized, the splashing of muddy water during core taking is reduced, the influence of the splashing muddy water on nearby staff is reduced, and then the influence on core taking is reduced.

Referring to fig. 1-4, the protection structure comprises a first sleeve 6 which is sleeved on a connecting rod 24 in a sliding manner, protection grooves are symmetrically formed in the lower end of the first sleeve 6, a second sleeve 7 is arranged on the first sleeve 6 in a sliding manner, a horn mouth 14 is fixed at the end part of the second sleeve 7, a fixing groove 8 is formed in one side of the outer surface of the first sleeve 6, inclined blocks 9 are fixed in the fixing groove 8 and distributed in a straight-line array manner, and fixing components are arranged on the side face of the second sleeve 7.

The fixing assembly comprises a sliding sleeve 10 fixed on the side face of the second sleeve 7, a sliding column 12 is arranged in the sliding sleeve 10 in a sliding mode, a spring 11 is fixed at the end portion of the sliding column 12, one end, far away from the sliding column 12, of the spring 11 is fixedly connected with the sliding sleeve 10, a sliding strip 13 is fixed on the sliding column 12, the sliding strip 13 penetrates through the sliding sleeve 10 in a sliding mode, and the sliding column 12 and the second sleeve 7 are arranged in a sliding mode and extend into the fixing groove 8. In addition, the end part of the sliding column 12 is arc-shaped, the side surface of the inclined block 9 is a smooth surface, and a drainage assembly is arranged on the second sleeve 7. Meanwhile, a fixed circular ring 15 is sleeved on the first sleeve 6, the first sleeve 6 is connected with the connecting rod 24 through the fixed circular ring 15, two ends of the fixed circular ring 15 are connected through screws 16, and a drainage assembly is arranged on the second sleeve 7.

When the rope is used for coring, the sleeve I6 is sleeved on the connecting rod 24 extending out of the ground, the screw 16 on the fixed circular ring 15 is screwed, the sleeve I6 is extruded, the protection groove is pressed against the connecting rod 24 and fixed on the connecting rod 24, the sleeve II 7 is pulled to move upwards, the sleeve II 7 moves to drive the sliding column 12 to move, the sliding column 12 is pressed against the inclined block 9 when moving, the sliding column 12 moves to compress the spring 11, the spring 11 is pulled to a proper position to stop, the fisher is placed into the connecting rod 24 from the horn mouth 14, muddy water in the connecting pipe can overflow and splash everywhere when being placed, the splashed muddy water can be blocked by the sleeve II 7, the height of the sleeve II 7 can be adjusted according to the splashing degree of the muddy water, the influence on nearby staff is reduced, after the coring pipe is pulled out, the core taking rod 1 is placed into the connecting rod 24, the splashed muddy water is blocked by the horn mouth 14 and the sleeve II 7 when being placed, before next drilling is started, the sliding bar 13 is pulled to drive the sliding column 12 to move, the spring 11 is compressed, the sleeve II 7 is reset, the sleeve II 6 is screwed again, and the sleeve I6 is screwed off from the connecting rod 24. The disassembly and the installation of the staff are convenient.

Referring to fig. 1, 5 and 6, the drainage assembly comprises a drainage box 18 fixed on a second sleeve 7, the second sleeve 7 is provided with a drainage hole and is positioned in the drainage box 18, and a drainage pipe 23 is fixedly connected to the side surface of the drainage box 18. Wherein a filter screen 22 is arranged in the drainage box 18, a cover plate 17 is fixedly connected with the end part of the filter screen 22, and a fixing piece is arranged between the cover plate 17 and the drainage box 18. The mounting is including fixing the fixed column 19 in the drainage tank 18 side, rotates on the fixed column 19 and is connected with fixed shell fragment 20, and fixed shell fragment 20 keeps away from fixed column 19 one end and is fixed with fixed strip 21, has offered the fixed orifices with fixed strip 21 adaptation on the apron 17, and apron 17 is inconsistent with drainage tank 18.

During coring, water in the connecting rod 24 continuously overflows, overflowed water flows into the drainage box 18 through the drainage hole in the second sleeve 7, the overflowed water is filtered by the filter screen 22, small particles such as sand, chips and the like in the overflowed water are blocked by the filter screen 22 and flow out of the drainage pipe 23, the overflowed water can be collected for secondary use, waste of water resources is reduced, and when the fisher is fished out, the overflowed water flows out of the drainage outlet through the drainage box 18. In addition, when filter screen 22 needs the clearance, can pull up fixed shell fragment 20, drive fixed strip 21 and remove from the fixed orifices in, remove the restriction to apron 17, loosen fixed shell fragment 20, take off apron 17, drive filter screen 22 and come out from drainage tank 18, make things convenient for staff's dismantlement and clearance, put back apron 17 after the clearance, in pulling fixed shell fragment 20, make fixed strip 21 remove the fixed orifices in, utilize the elasticity of fixed shell fragment 20 to contradict apron 17 and fix. The mud water splashed and overflowed is collected by the drainage assembly, so that the waste of water resources is reduced, the mud water is filtered by the filtering assembly, and the waste of water resources is reduced.

Working principle: when the core rod taking device is used, the core rod taking device is placed in the drill rod 3, the drill rod 3 is connected with the drilling machine to drive the drill bit 5 to perform normal drilling, the reaming pipe 4 enlarges the drilling hole during drilling, the connecting rod 24 is added to increase the drilling depth, and coring is started when the drilling depth reaches a designated depth;

when coring, sleeve one 6 is sleeved on connecting rod 24 that stretches out ground, screw 16 on fixed ring 15 is twisted, sleeve one 6 receives the extrusion, make the protection groove become conflict connecting rod 24, fix on connecting rod 24, the upward removal of back pulling sleeve two 7, sleeve two 7 removes and drives sliding column 12 and remove, the waste of water resource is reduced, after the core taking out coring pipe is pulled out with spring 11 compression, pull into suitable position and stop, put into connecting rod 24 with the fisher from horn mouth 14, the muddy water in the connecting pipe can spill everywhere when putting into splashes, the muddy water that splashes can be stopped by sleeve two 7, simultaneously, there is water constantly to spill in the connecting rod 24, the drain hole that overflows can flow into drain box 18 through sleeve two 7, the water that flows out filters through filter screen 22, wherein, small particle such as grit, piece are stopped by filter screen 22, flow out from drain 23, can collect the water that flows out and reutilize, reduce the waste of water resource, after the core taking out coring pipe, will take out core bar 1 again and put into connecting rod 24, put into when splashing, by horn mouth 14, it is stopped by two and again, pull down the drain box 12 is carried out from the drain box 12 again, the drain hole is moved from the drain box 12, and the drain hole is driven by the drain bar is moved down by the filter, the filter 11 again, the drain hole is stopped by the filter, the drain bar is driven by the filter, the drain bar is moved down, and the drain bar is driven by the drain bar is taken down, and the core bar is set, and the core is put down.

When the filter screen 22 needs to be cleaned, the fixed elastic sheet 20 can be pulled up to drive the fixed strip 21 to move out of the fixed hole, the limit on the cover plate 17 is released, the fixed elastic sheet 20 is loosened, the cover plate 17 is taken down to drive the filter screen 22 to come out of the drainage box 18, the cover plate 17 is conveniently detached and cleaned, the cover plate 17 is put back after cleaning, the fixed elastic sheet 20 is pulled, the fixed strip 21 is moved into the fixed hole, and the cover plate 17 is abutted to be fixed by the elastic force of the fixed elastic sheet 20.

Claims (8)

1. The utility model provides a coal seam coring drilling rod (3), is including getting core bar (1), its characterized in that: coring head (2) are installed to coring rod (1) lower extreme, the cover is equipped with drilling rod (3) on coring rod (1), fixedly connected with reaming pipe (4) on drilling rod (3), the screw thread groove has been seted up on reaming pipe (4), drill bit (5) are installed to drilling rod (3) lower extreme, drilling rod (3) upper end threaded connection has connecting rod (24), connecting rod (24) tip is provided with protective structure.

2. A coal seam coring drill rod (3) as claimed in claim 1, wherein: the protection structure comprises a first sleeve (6) which is sleeved on a connecting rod (24) in a sliding manner, a protection groove is symmetrically formed in the lower end of the first sleeve (6), a second sleeve (7) is sleeved on the first sleeve (6) in a sliding manner, a horn mouth (14) is fixed at the end of the second sleeve (7), a fixing groove (8) is formed in the first sleeve (6), inclined blocks (9) are fixed in the fixing groove (8) and distributed in a linear array manner, and a fixing assembly is arranged on the side face of the second sleeve (7).

3. A coal seam coring drill rod (3) as claimed in claim 2, wherein: the fixed subassembly is including fixing the slip sleeve (10) in sleeve pipe two (7) side, slip sleeve pipe (10) are slided and are provided with slip post (12), slip post (12) end fixing has spring (11), slip post (12) one end and slip sleeve pipe (10) fixed connection are kept away from to spring (11), be fixed with slider (13) on slip post (12), slider (13) slip runs through slip sleeve pipe (10), slip post (12) and sleeve pipe two (7) slip setting and stretch into inside fixed slot (8).

4. A coal seam coring drill rod (3) as claimed in claim 3, wherein: the end part of the sliding column (12) is arc-shaped, and the side surface of the inclined block (9) is a smooth surface.

5. A coal seam coring drill rod (3) as claimed in claim 2, wherein: the sleeve I (6) is sleeved with a fixed ring (15) in a sliding manner, the sleeve I (6) is connected with the connecting rod (24) through the fixed ring (15), two ends of the fixed ring (15) are connected through screws (16), and the sleeve II (7) is provided with a drainage assembly.

6. A coal seam coring drill rod (3) as claimed in claim 5, wherein: the drainage assembly comprises a drainage box (18) fixed on the second sleeve (7), a drainage hole is formed in the second sleeve (7) and located in the drainage box (18), and a drainage pipe (23) is fixedly connected to the side face of the drainage box (18).

7. A coal seam coring drill rod (3) as claimed in claim 6, wherein: a filter screen (22) is arranged in the drainage box (18), a cover plate (17) is fixedly connected to the end part of the filter screen (22), and a fixing piece is arranged between the cover plate (17) and the drainage box (18).

8. A coal seam coring drill rod (3) as set forth in claim 7, wherein: the fixing piece comprises a fixing column (19) fixed on the side face of the drainage box (18), a fixing elastic sheet (20) is rotationally connected to the fixing column (19), a fixing strip (21) is fixed at one end, far away from the fixing column (19), of the fixing elastic sheet (20), a fixing hole matched with the fixing strip (21) is formed in the cover plate (17), and the cover plate (17) is in contact with the drainage box (18).