CN218117690U - Directional drilling reaming device for coal mine - Google Patents

Abstract

The utility model relates to a reaming technical field specifically is a directional reaming device that creeps into that colliery was used, including drilling rod and drill bit, the top fixed mounting of drilling rod has the annular slab, the top fixed mounting of annular slab has the ring baffle, the ring channel has been seted up to the inside of drill bit, the outside equiangular fixed mounting of drill bit has three drilling lug, and the directional reaming device that creeps into that the colliery after the improvement is used makes drilling equipment also can carry out reaming processing when creeping into the colliery through the cooperation of drilling lug and reaming scraper blade, has reduced the time of changing drill bit or reaming device when reaming the colliery, utilizes the cooperation of guide bar, conical plate and connecting rod, makes the reaming scraper blade under the elastic construction of second spring, realizes that the reaming scraper blade stretches out or accomodates in the drilling rod surface is automatic, solves the problem that the workman creeps into the reaming device and frequently changes or dismantle to the colliery, reduces workman's intensity of labour, has increased the practicality of creeping into the reaming device.

Description

Directional drilling reaming device for coal mine

Technical Field

The utility model relates to a reaming technical field specifically is a directional reaming device that creeps into that colliery was used.

Background

The drilling of boreholes from the ground by mechanical equipment or by human power is known as drilling, and generally refers to the exploration or exploitation of liquid and gaseous minerals such as oil, gas, etc. to drill boreholes and large diameter water-supply wells.

When the colliery is in the pit work, need drill hole in the coal seam, in order to carry coal seam pressure release treatment effect, need expand coal seam pressure release hole, obtain the clearance between the coal seam, consequently the reaming device for the colliery is an important colliery part.

The prior patent (publication number: CN 216240446U) discloses a directional drilling and reaming device for coal mines, which comprises a directional drilling rod, wherein a drill bottom plate is arranged at the lower end of an elliptical drill bit arranged above the directional drilling rod, a conducting rod is arranged in the middle of the bottom end of the drill bottom plate, a base plate is arranged at one end, away from the drill bottom plate, of the conducting rod, a rubber soft rod is connected to one end, away from the base plate, of the base plate, a pressing plate is connected to one end, away from the rubber soft rod, of the rubber soft rod, a reaming arc-shaped scraper blade is arranged at one end, away from the rubber soft rod, of the pressing plate, a scraping strip is fixedly arranged on the outer wall of the reaming arc-shaped scraper blade, a notch is arranged on the outer wall of the directional drilling rod, a scraper blade rotating shaft is arranged on the inner wall of the notch, the reaming arc-shaped scraper blade rotates around the scraper rotating shaft, and a drilling raised head is arranged at the upper end of the elliptical drill bit. The inventor discovers that the prior art has the following problems in the process of realizing the utility model: 1. when drilling and reaming are required in the drilling process of the existing equipment, a plurality of drill bits are replaced back and forth according to the requirement of the drilling size, the time and the labor are consumed, and therefore the practicability of the device is low; 2. the reaming device of existing equipment is mostly fixed knot structure, when not needing the reaming, can't accomodate it, leads to changing or dismantling the drill bit, increases workman's intensity of labour to reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a directional reaming device that creeps into that coal mine was used, with solve above-mentioned background art existing equipment need when creeping into the reaming at the well drilling in-process, usually according to the needs of the size of driling, change a plurality of drill bits back and forth, consuming time and power, thereby the practicality that leads to the device is lower, and the reaming device of existing equipment is mostly fixed knot structure, when not needing the reaming, can't accomodate it, lead to needs to change or dismantle the drill bit, increase workman's intensity of labour, thereby reduce the problem of proposing among the work efficiency. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a directional reaming device that creeps into that colliery was used, includes drilling rod and drill bit, the top fixed mounting of drilling rod has the annular slab, the top fixed mounting of annular slab has ring baffle, the ring channel has been seted up to the inside of drill bit, the outside equiangular fixed mounting of drill bit has three drilling lug, the inside bottom fixed mounting of drill bit has the guide bar, the outside fixed mounting of guide bar has the limiting plate, the bottom fixed mounting of limiting plate has reset spring, the middle part of guide bar is embedded to have the first spring of a plurality of, a plurality of the one end fixed mounting of first spring has the bayonet lock, the bottom fixed mounting of guide bar has the conical plate, a plurality of spout, a plurality of have been seted up to the outside of conical plate the inside movable mounting of spout has a connecting rod, a plurality of the outside fixed mounting of connecting rod has a fixed block, a plurality of one side fixed mounting of fixed block has the second spring, a plurality of the one end fixed mounting that the conical plate was kept away from to the connecting rod has the reaming scraper blade, a plurality of recess has been seted up to the outside of drilling rod, fixed mounting has the stopper between the inside inner wall of drilling rod.

Further preferably, a sliding connection is arranged between the annular baffle and the annular groove.

Further preferably, the surface of the limiting block is provided with a through hole, and the inner size of the through hole is consistent with the outer size of the guide rod.

Further preferably, the connecting rod, the second spring and the fixing block form a group, and three groups are arranged.

Further preferably, the inner dimension of the sliding groove corresponds to the outer dimension of the connecting rod.

Further preferably, the first spring and the bayonet are in a group, and three groups are provided.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the cooperation of drill bit, drilling lug and reaming scraper blade for drilling equipment also can carry out the reaming when creeping into in the colliery and handle, has reduced the time of changing drill bit or reaming device when reaming the colliery by a wide margin, practices thrift manpower and materials, thereby has increased the colliery and has crept into the practicality of reaming device.

The utility model discloses in, through the cooperation of guide bar, conical plate, connecting rod and second spring for the reaming scraper blade realizes that the reaming scraper blade stretches out or accomodates in the drilling rod surface is automatic under the elastic construction of second spring, has solved the workman and has crept into the problem that reaming device frequently changed or dismantled to the colliery, reduces workman's intensity of labour, thereby the demand of reaming device when according with the colliery and creep into.

Drawings

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

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the structure of the enlarged part of the conical plate of the present invention.

In the figure: 1. a drill stem; 2. a drill bit; 3. an annular plate; 4. an annular baffle; 5. an annular groove; 6. drilling a lug; 7. a guide rod; 8. a limiting plate; 9. a return spring; 10. a first spring; 11. a bayonet lock; 12. a conical plate; 13. a chute; 14. a connecting rod; 15. a fixed block; 16. a second spring; 17. reaming the scraper plate; 18. a groove; 19. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff with ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a directional reaming device that creeps into that coal mine was used, including drilling rod 1 and drill bit 2, the top fixed mounting of drilling rod 1 has annular slab 3, the top fixed mounting of annular slab 3 has ring baffle 4, ring channel 5 has been seted up to the inside of drill bit 2, the outside equiangular fixed mounting of drill bit 2 has three drilling lug 6, the inside bottom fixed mounting of drill bit 2 has guide bar 7, the outside fixed mounting of guide bar 7 has limiting plate 8, the bottom fixed mounting of limiting plate 8 has reset spring 9, the middle part of guide bar 7 is embedded to have the first spring 10 of a plurality of, the one end fixed mounting of the first spring 10 of a plurality of has bayonet lock 11, the bottom fixed mounting of guide bar 7 has conical plate 12, a plurality of spout 13 has been seted up to conical plate 12's outside, the inside movable mounting of a plurality of spout 13 has connecting rod 14, the outside fixed mounting of a plurality of connecting rod 14 has fixed block 15, one side fixed mounting of a plurality of fixed block 15 has second spring 16, the one end fixed mounting that a plurality of connecting rod 14 kept away from conical plate 12 has reaming stopper 17, a plurality of the outside of drilling rod 1 has seted up a plurality of recess 18, fixed mounting has drill rod 19 between the inside inner wall.

In the present embodiment, as shown in fig. 2, the annular baffle 4 and the annular groove 5 are slidably connected; when the drill bit 2 is stressed and extruded, the connecting rod 14 drives the reaming scraper 17 to perform drilling and reaming effects by utilizing the matching of the guide rod 7 and the conical plate 12.

In this embodiment, as shown in fig. 2, a through hole is formed on the surface of the limiting block 19, and the inner size of the through hole is consistent with the outer size of the guide rod 7; the stability of the guide rod 7 during moving is improved, and the problem that the guide rod 7 inclines or deviates in the moving process is avoided.

In this embodiment, as shown in fig. 2 and 3, one connecting rod 14, one second spring 16 and one fixing block 15 are combined into one group, and three groups are provided; utilize the elastic construction of second spring 16, drive reaming scraper blade 17 and creep into the reaming, reduced the time of changing drill bit 2 or reaming device when reaming the colliery by a wide margin, practiced thrift manpower and materials to the colliery creeps into the practicality of reaming device.

In the present embodiment, as shown in fig. 4, the inner dimension of the chute 13 coincides with the outer dimension of the connecting rod 14; by utilizing the matching of the guide rod 7 and the conical plate 12, the connecting rod 14 drives the reaming scraping plate 17 to extend out or be accommodated on the surface of the drill rod 1, so that the problem that a coal mine drilling reaming device is frequently replaced or disassembled by workers is solved, and the labor intensity of the workers is reduced.

In this embodiment, as shown in fig. 2, one first spring 10 and one bayonet 11 are a group, and three groups are provided; utilize the joint structure of bayonet lock 11 and draw-in groove, carry out the fixed action to guide bar 7, prevent that guide bar 7 from taking place the phenomenon of removal at reaming in-process.

The utility model discloses a use method and advantage: when the directional drilling reaming device for the coal mine is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, at first, the reaming device is connected with a drilling machine, in the drilling process, after the drill bit 2 contacts with a coal mine, the drill bit 2 is forced to be squeezed and then, the drill bit 2 is under the cooperation of the annular groove 5 and the annular baffle 4, the annular plate 3 is limited to move towards one end of the drill rod 1, the drill bit 2 drives the guide rod 7 and the limiting plate 8 to compress the return spring 9, meanwhile, the guide rod 7 moves under the limitation of the limiting block 19, the guide rod 7 synchronously drives the bayonet lock 11 to move, when the bayonet lock 11 moves beside the bayonet lock, through the elastic structure of the first spring 10, the bayonet lock 11 is clamped inside the bayonet lock and forms a clamping structure, the fixing of the guide rod 7 is completed, the problem that the guide rod 7 moves during the reaming process is solved, the conical plate 12 is driven to move synchronously by the movement of the guide rod 7, the connecting rod 14 drives the connecting rod 14 to move downwards at the limitation of the chute 13, the connecting rod 14 drives the fixing block 15 to squeeze the second spring 16, thereby driving the scraper 17 to extend out of the groove 18, the temporal portion, the reaming device is enabled to greatly reduce the drilling time for the reaming process of the coal mine drilling equipment, and the drilling equipment, thereby greatly reducing the manpower and the material resources for reaming process for the coal mine drilling equipment for reaming process for reaming, and greatly reducing the drilling equipment for reaming process for reaming the coal mine drilling.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a directional reaming device that creeps into that colliery was used, includes drilling rod (1) and drill bit (2), its characterized in that: the drill rod comprises a drill rod body, wherein a ring-shaped plate (3) is fixedly mounted at the top end of the drill rod body (1), an annular baffle plate (4) is fixedly mounted at the top end of the ring-shaped plate (3), an annular groove (5) is formed in the drill bit body (2), three drilling convex blocks (6) are fixedly mounted at equal angles outside the drill bit body (2), a guide rod (7) is fixedly mounted at the bottom end of the drill bit body (2), a limiting plate (8) is fixedly mounted at the outside of the guide rod (7), a reset spring (9) is fixedly mounted at the bottom end of the limiting plate (8), a plurality of first springs (10) are embedded in the middle of the guide rod body (7), a plurality of bayonet pins (11) are fixedly mounted at one ends of the first springs (10), a conical plate (12) is fixedly mounted at the bottom end of the guide rod body (7), a plurality of sliding grooves (13) are formed in the outside of the conical plate (12), a plurality of connecting rods (14) are movably mounted at the inside of the sliding grooves (13), a plurality of connecting rods (14) are fixedly mounted with bayonet pins (15), a second spring (16) is fixedly mounted at one side of the fixing block (15), a plurality of connecting rod (14), a plurality of connecting rod (17) is mounted at one end of a reaming groove (17) is formed in the drill rod (17), and a limiting block (19) is fixedly arranged between the inner walls of the drill rods (1).

2. The directional drilling and reaming device for the coal mine according to claim 1, wherein: the annular baffle (4) and the annular groove (5) are in sliding connection.

3. A directional drilling and reaming device for coal mines according to claim 1, wherein: the surface of the limiting block (19) is provided with a through hole, and the inner size of the through hole is consistent with the outer size of the guide rod (7).

4. A directional drilling and reaming device for coal mines according to claim 1, wherein: the connecting rod (14), the second spring (16) and the fixed block (15) form a group, and three groups are arranged.

5. A directional drilling and reaming device for coal mines according to claim 1, wherein: the inner dimensions of the sliding groove (13) are consistent with the outer dimensions of the connecting rod (14).

6. The directional drilling and reaming device for the coal mine according to claim 1, wherein: the first spring (10) and the bayonet lock (11) form a group, and three groups are arranged.

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